CN111764120A - Washing machine door assembly and front-loading washing machine provided with the washing machine door assembly - Google Patents

Abstract

The invention provides a washing machine door assembly, which comprises an outer frame and an inner frame which are arranged around the edge of an observation window assembly, wherein the washing machine door assembly is rotatably connected with a box body through a door hinge assembly so as to open or close a taking and placing opening which is arranged on the box body and used for taking and placing clothes; the outer frame and the inner frame enclose a supporting cavity, and the voice module is fixedly arranged in the supporting cavity; the voice module is connected with a control module arranged on the box body through a lead. On one hand, the invention can reduce the influence of factors such as noise, reverberation, human voice interference, echo and the like in the real environment on voice recognition; on the other hand, the voice module can be effectively prevented from contacting with washing water, the working stability of the voice module is improved, and the service life of the voice module is prolonged.

Description

Washing machine door assembly and front-loading washing machine provided with the washing machine door assembly

technical field

The present invention relates to the technical field of washing equipment, and in particular, to a washing machine door assembly, and a drum washing machine provided with the washing machine door assembly.

Background technique

With the development of mobile Internet and artificial intelligence, voice-based interaction has become more and more important and popular. Most of these voice interaction technologies rely on the network and the cloud, and many key steps such as back-end speech recognition, natural speech processing, and speech synthesis require a large amount of data and computation, which can usually only be completed by the cloud.

However, home appliance control usually only requires some simple commands. A more suitable way is to solidify the command entries in the local storage after algorithm training and model matching. When performing voice control, it does not need to rely on the Internet and can be implemented locally. Call processing directly. Compared with online processing, offline speech recognition is more stable and efficient. If there is a problem with the network, the voice interaction function can still maintain the working state, and the delay of the recognition process is small, and the user experience is also better.

For a washing machine, the voice module is usually arranged in the cabinet, adjacent to the control module. The pickup hole of the microphone is opened on the surface of the box body. With this structure, noise, reverberation, human voice interference, echo and other factors in the real environment will have a greater impact, the signal-to-noise ratio of the recorded signal will be very low, and the algorithm processing difficulty will increase, especially for offline speech recognition. In other words, due to the limited computing power of its control chip, the recognition effect will be further weakened. In addition, since the washing water inevitably contacts the surface of the cabinet during the use of the washing machine, the microphone disposed on the surface of the cabinet will malfunction, which will also reduce the stability of the device.

SUMMARY OF THE INVENTION

The present invention designs and provides a washing machine door assembly to reduce the influence of noise, reverberation, human voice interference, echo and other factors on speech recognition in the real environment.

The present invention provides a washing machine door assembly, comprising an outer frame and an inner frame arranged around the edge of the observation window assembly, the washing machine door assembly is rotatably connected with a box body through a door hinge assembly to open or close a door set on the box body A pick-and-place port for picking up and placing clothes; it is characterized in that the outer frame and the inner frame enclose a support cavity, and the voice module is fixedly arranged in the support cavity; the voice module is connected to the box body through a wire on the control module connection.

Further, the outer frame and the inner frame are annular; the inner frame has a first inner frame surface and a second inner frame surface, wherein the first inner frame surface is close to one side of the box body, so The surface of the second inner frame is away from the side of the box body; the voice module is fixed on the surface of the second inner frame, and a guide wall is symmetrically arranged on the surface of the second inner frame, and the guide wall protrudes from the surface of the second inner frame. the surface of the second inner frame and extend in the axial direction; the wires connected with the voice module are arranged between the guide walls.

Further, the guide wall is intermittently arranged, the guide wall and the surface of the second inner frame enclose a first wire groove, and the wire connected to the voice module is arranged along the first wire groove.

Further, the inner frame is provided with an opening allowing the door hinge assembly to pass through; the guide wall is intermittently arranged to form a first wall section, a second wall section and a third wall section in sequence; wherein the The first wall section is distributed in an arc shape, the second wall section is distributed in the direction from top to bottom, the third wall section is distributed horizontally, and the first wall section is formed between the voice module and the door. Between the hinge assemblies, the second wall section is formed on one side of the opening, and the third wall section is formed below the opening.

Further, the lengths of the first wall section, the second wall section and the third wall section decrease in sequence.

Further, a hinge plate is also provided in the support cavity, a guide cavity is formed on the hinge plate, the guide cavity extends in a direction away from the surface of the second inner frame, and the guide cavity corresponds to The third wall section is provided.

Further, a microphone or a microphone array is also arranged in the support cavity.

Further, microphone sound pickup holes are symmetrically opened on the inner frame.

Further, the support cavity is also provided with a speaker, and the inner frame is provided with a speaker through hole.

The washing machine door assembly disclosed in the present invention can, on the one hand, reduce the influence of factors such as noise, reverberation, human voice interference and echo in the real environment on speech recognition; The working stability of the voice module prolongs its service life.

At the same time, a front-loading washing machine is also provided, including a washing machine door assembly, the washing machine door assembly including an outer frame and an inner frame arranged around the edge of the observation window assembly, the washing machine door assembly is rotatably connected with a box body through a door hinge assembly to open or A pick-and-place port for picking up and placing clothes on the box body is closed; it is characterized in that the outer frame and the inner frame enclose a support cavity, and the voice module is fixedly arranged in the support cavity; the voice module It is connected with the control module arranged on the box body through wires.

The drum washing machine disclosed in the present invention improves the working stability of the voice module through a specially designed connection method between the voice module and the control module while ensuring the appearance is simple; after the connection structure is added, the control module can be easily connected to the Other functional components realize mechanical connection and electrical connection, and will not affect the normal opening and closing of the door. The drum washing machine disclosed by the invention has the advantages of high working stability, good practicability and beautiful appearance.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

1 is a schematic structural diagram of a washing machine door assembly disclosed in the present invention from a first perspective;

FIG. 2 is a schematic structural diagram of the washing machine door assembly shown in FIG. 1 from a second perspective;

3 is a partially enlarged schematic view showing the specific structure of the first wire slot;

Fig. 4 is a partial enlarged schematic view showing the specific structure of the first wall section;

5 is a schematic structural diagram of a hinge plate from a first perspective;

Fig. 6 is the partial enlarged schematic diagram of A place in Fig. 5;

7 is a schematic structural diagram of the hinge plate from a second perspective;

Fig. 8 is a partial enlarged schematic diagram at B in Fig. 7;

9 is a schematic structural diagram of the washing machine door assembly disclosed in the present invention in an open state;

Fig. 10 is the exploded schematic diagram of the connection structure between the speech module and the control module;

11 to 13 are schematic structural diagrams of the voice module, the door hinge assembly and the control module in the connected state of the drum washing machine disclosed in the present invention;

14 is a schematic structural diagram of a hinge assembly;

Figure 15 is an exploded schematic view of the washing machine door assembly;

16 is a schematic diagram of the structure of the box body in a non-suspended state;

FIG. 17 is a schematic diagram of the structure of the box body in a suspended state.

Detailed ways

Embodiments of the present invention are described in detail below, and examples of specific implementations are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to explain the present invention and should not be construed as limiting the present invention.

It should be understood that in the description of the present invention, the terms "center", "longitudinal", "transverse", "length", "thickness", "upper", "lower", "front", "front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", etc. The direction or positional relationship shown is only for the convenience of describing the present invention and making it easy to understand, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as Limitations of the present invention.

In addition, the terms "first" and "second" are only used for description, and cannot be understood as indicating or implying relative importance or implying the number of indicated technical features. Thus, features defined as "first" and "second" may expressly or implicitly include one or more. In the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.

It should also be noted that, in the description of the present invention, unless otherwise expressly specified and limited, the terms "installation", "arrangement" and "connection" should be understood in a broad sense, for example, it may be a fixed connection or a Detachable connection, or integral connection; may be mechanical connection or electrical connection; may be direct connection, indirect connection through an intermediate medium, or internal communication between two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

The washing machine door assembly 102 according to the embodiment of the present invention will be described in detail below with reference to the accompanying drawings. As shown in FIGS. 1 , 2 , 9 and 15 , the washing machine door assembly 102 includes an outer frame 102-2 and an inner frame 102-3 disposed around the edge of the viewing window assembly. Internal structure, the outer frame is removed in Figure 2. Generally speaking, the glass 102-1 and the decorative ring (not shown in the figure) of the viewing window assembly are sandwiched between the outer frame 102-2 and the inner frame 102-3. The outer frame 102-2 and the inner frame 102-3 are preferably connected by snap connection. The washing machine door assembly 102 is rotatably connected to the box body 101 of the drum washing machine through a door hinge assembly 103 to open or close a pick-and-place port provided on the box body 101 for picking and placing clothes. Different from the prior art, in the present invention, a support cavity 105 for fixing the voice module 104 is formed between the outer frame 102-2 and the inner frame 102-3, and the voice module 104 is fixedly arranged in the support cavity 105 . The voice module 104 is connected to the control module 110 disposed on the box body 101 through wires. Setting the voice module 104 in the washing machine door assembly 102 avoids opening the sound pickup hole of the microphone on the surface of the cabinet 101. On the one hand, it can reduce the noise, reverberation, human voice interference and echo in the real environment. On the other hand, it can effectively avoid the contact between the voice module and the washing water, improve the working stability of the voice module and prolong its service life.

Specifically, the outer frame 102-2 and the inner frame 102-3 are both annular. The inner frame 102-3 has a first inner frame surface 102-31 and a second inner frame surface 102-32. It is defined that the first inner frame surface 102-31 is close to the side of the box body 101, and the second inner frame surface 102-32 is away from the side of the box body 101. In order to reduce the wire length between the voice module and the control module, preferably, the voice module 104 is fixed on the second inner frame surface 102-32, and is further preferably arranged on the upper side of the second inner frame surface 102-32, which is Considering that the control module and the display module of the front-loading washing machine are usually integrated above the box to make the height suitable and easy for users to operate. A guide wall 102-6 is symmetrically arranged on the second inner frame surface 102-32, and the guide wall 102-6 protrudes from the second inner frame surface 102-32 and extends along the axial direction of the second inner frame surface 102-32, A wire 105 connected to the voice module 104 is routed between the guide walls 102-6. Disposing the guide wall 102-6 on the second inner frame surface 102-32 can ensure the stable connection between the voice module and the control module on the one hand, and improve the stability of the voice module in use; An image recognition module, a distance recognition module and other biometric recognition modules are provided, and the guide wall can prevent the wires between the voice module and the control module from interfering with other functional modules; at the same time, the guide wall can also increase the strength of the inner frame.

Compared with the prior art in which the voice module is arranged on the cabinet, in this embodiment, during the washing process of the drum washing machine, the door assembly of the washing machine is opened or closed relative to the cabinet. Therefore, the wire will be displaced to some extent to a certain extent, and wear will occur over a long period of time. In order to reduce the wear of the wire, in this embodiment, as shown in FIG. 2 and FIG. 3 , the guide wall 102-6 is discontinuous and is arranged intermittently, and the discontinuously arranged guide wall 102-6 and the second inner frame surface 102-32 The first wire grooves 102-33 are formed together, thereby reducing the contact area between the wire 105 and the first wire grooves 102-33. The width of the first wire grooves 102-33 is larger than the diameter of the wire, preferably 1.5 times to 2 times the diameter of the wire. In this design, on the one hand, the first wire groove formed by the intermittently arranged guide walls can play the role of guiding the wire; A certain buffer space reduces friction and is not prone to wear and tear during long-term use, further ensuring the safety of the voice module. At the same time, the intermittently arranged guide walls can also save space in the support cavity, which facilitates further expansion of the functional modules of the washing machine. A number of wire clips can also be set on the wires of the first wire trough to prevent the wires from coming out.

In this embodiment, the wire 105 connected to the voice module 104 is electrically connected to the control module 110 after passing through the front panel of the box body 101 through the hinge assembly. In order not to block the hinge assembly, the inner frame 102-3 is provided with an opening 130 that allows the door hinge assembly to pass through. Specifically, the door hinge assembly includes a hinge body 103-1 and a hinge rigid shaft 103-2. An opening 130 formed in the inner frame 102-3 allows the hinge body 103-1 to pass through. In order to guide the wire 105 to change direction into the hinge assembly, the guide walls 102-6 are intermittently arranged to form a first wall section 102-331, a second wall section 102-332 and a third wall section 102-333 in sequence. The first wall sections 102-331 are distributed in an arc shape and are formed between the voice module 104 and the door hinge assembly, and are used to guide the wires 105 connected to the voice module 104 to extend along the second inner frame surface 102-32 to avoid wires Overlapped with the observation window glass 102-1, the second wall sections 102-332 are distributed approximately vertically along the top-down direction, and are formed on one side of the opening 130 to avoid interference between the wires and the hinge body. The third Wall sections 102 - 333 are formed under the opening 130 for guiding the wires to change their extending direction into the hinge body and pass through the front panel of the box body 101 through the hinge body. Preferably, the lengths of the first wall section 102-331, the second wall section 102-332 and the third wall section 102-333 decrease in length, forming the length of the guide wall 102-6 of the first wall section 102-331 102-61 is less than the length 102-62 of the guide wall 102-6 forming the second wall section 102-332, and the length 102-62 of the guide wall 102-6 forming the second wall section 102-332 is less than the length 102-62 forming the third wall The length 102-63 of the guide wall 102-6 of the section 102-333 is designed to take into account the bending degree and bending times of the wire in the second wall section 102-332 and the third wall section 102-333. Significantly larger than the first wall section 102-331, the incrementally discontinuous guide wall length can ensure that the wire does not fall off.

As shown in FIG. 5 to FIG. 8 , a hinge plate 102-4 is also provided in the support cavity 105, and a guide cavity 102-42 is formed on the hinge plate 102-4, so that the wire enters the hinge body and bends upwards. When guiding and protecting the wires, the guiding cavities 102-42 extend in a direction away from the second inner frame surface 102-32. After installation, the location of the guide cavity 102-42 corresponds to the third wall section 102-333.

A microphone or microphone array 111 is also provided in the support cavity 105 . In order to optimize the sound pickup effect of the voice module 104, a microphone array 111 is preferably provided. The microphone array 111 can be a linear array or a ring array, the linear array can distinguish sound source information within 180 degrees, and the ring array can distinguish sound source information within 360 degrees. For a front-loading washing machine, the probability of sound source information coming from below is generally small. Therefore, a linear array is preferably provided, and symmetrical microphone sound pickup holes 111-1 corresponding to the linear array are provided on the first inner frame surface 102-31.

In addition to the speech recognition function, the speech module 104 preferably has a speech synthesis function. A speaker is arranged in the support cavity 105, and a speaker through hole 111-2 is opened on the surface 102-31 of the first inner frame.

The present invention also discloses a drum washing machine. Specifically, the drum washing machine 100 according to the embodiment of the present invention includes a box body 101 , a door hinge assembly 103 and a washing machine door assembly 102 . It also includes a voice module 104, and the voice module 104 can implement various functions such as voice input, voice recognition, voice storage, voice synthesis, and voice playback. The voice recognition technology has been widely used in the technical field of smart homes and household appliances, which is familiar to those skilled in the art and is not the protection focus of the present invention. The specific algorithm is further limited. For the drum washing machine disclosed in the present invention, on the one hand, a voice module is required to achieve good sound pickup and voice playback effects, and to have good stability. If the sound pickup effect is not good, it will directly lead to control failure and affect the user experience. On the other hand, it is preferable to set the control module 110 for controlling the corresponding parts of the drum washing machine (such as washing machine running parts, buttons or display modules, etc.) For the above two purposes, in this embodiment, the voice module 104 is arranged in the washing machine door assembly 102, the control module 110 is arranged on the cabinet 101, and the voice module 104 and the control module 110 are connected by wires 105.

Specifically, the front side of the box body 101 has a pick-and-place port, and the pick-and-place port is formed on the front plate of the box body 101 . The user picks and puts clothes through the pick-and-place port. The door hinge assembly is arranged on the side of the front plate 101-2 of the box body 101. The door hinge assembly includes a hinge body 103-1 and a hinge rigid shaft 103-2. The hinge body 103-1 is fixedly connected to the front plate of the box body 101. The hinge A shaft sleeve 103-3 is provided on the rigid shaft 103-2. The washing machine door assembly 102 includes an outer frame 102-2 and an inner frame 102-3. The outer frame 102-2 and the inner frame 102-3 are disposed around the edge of the viewing window assembly 102-1 and together define a support cavity 105. The support cavity 105 is provided with a hinge plate 102-4. For the convenience of description, the side surface of the inner frame 102-3 close to the box body 101 is defined as the first inner frame surface 102-31, and the side surface away from the box body 101 is defined as the second inner frame surface 102-32. That is to say, Taking the use orientation of the drum washing machine as the reference frame, the inner frame 102-3 is the first inner frame surface 102-31 on the inner side, and the second inner frame surface 102-32 on the outer side. The washing machine door assembly 102 is connected to the door hinge assembly through the hinge plate 102-4, so that the washing machine door assembly 102 is rotatably connected to the cabinet 101 to open or close the opening 130 for user convenience.

In order to facilitate the mechanical connection and electrical connection of the control module 110 while ensuring the sound pickup effect, in this embodiment, the voice module 104 is fixedly disposed on the second inner frame surface 102-32.

A guide wall 102-6 is symmetrically arranged on the second inner frame surface 102-32, and the guide wall 102-6 protrudes from the second inner frame surface 102-32 and extends along the axial direction of the second inner frame surface 102-32, A wire 105 connected to the voice module 104 is routed between the guide walls 102-6. Disposing the guide wall 102-6 on the second inner frame surface 102-32 can ensure the stable connection between the voice module and the control module on the one hand, and improve the stability of the voice module in use; An image recognition module, a distance recognition module and other biometric recognition modules are provided, and the guide wall can prevent the wires between the voice module and the control module from interfering with other functional modules; at the same time, the guide wall can also increase the strength of the inner frame.

During the washing process of the drum washing machine, the washing machine door assembly 102 is opened or closed relative to the cabinet 101 . Therefore, the wire will be displaced to some extent to a certain extent, and wear will occur over a long period of time. In order to reduce the wear of the wires, in this embodiment, the guide walls 102-6 are intermittently arranged, and the intermittently arranged guide walls 102-6 and the second inner frame surface 102-32 together form the first wire grooves 102-33, thereby The contact area between the wires and the first wire grooves 102-33 is reduced. The width of the first wire grooves 102-33 is larger than the diameter of the wire, preferably 1.5 times to 2 times the diameter of the wire. On the one hand, the first wire groove 102-33 composed of the intermittently arranged guide walls 102-6 can play the role of guiding the wire; on the other hand, the first wire groove 102-33 also allows the wire to have a certain buffer space. It is not easy to be worn out when used for a long time, which further ensures the safe use of the voice module 104 . At the same time, the intermittently arranged guide walls 102-6 can also save the space of the supporting cavity, which facilitates further expansion of the functional modules of the washing machine.

In this embodiment, the wire 105 connected to the voice module 104 is electrically connected to the control module 110 after passing through the front panel of the box body 101 through the hinge assembly. In order not to block the hinge assembly, the inner frame 102-3 is provided with an opening 130 that allows the door hinge assembly to pass through. Specifically, the door hinge assembly includes a hinge body and a hinge rigid shaft. An opening 130 in the inner frame 102-3 allows the hinge body to pass through. In order to guide the wire to change direction into the hinge assembly, the guide wall 102-6 is intermittently arranged to form a first wall section 102-331, a second wall section 102-332 and a third wall section 102-333 in sequence. The first wall sections 102-331 are distributed in an arc shape and are formed between the voice module 104 and the door hinge, and are used to guide the wires 105 connected to the voice module 104 to extend along the second inner frame surface 102-32 to avoid the wires and the The observation window glass 102-1 overlaps, the second wall section 102-332 is distributed approximately vertically along the top-down direction, and is formed on the side of the opening 130 to avoid interference between the wires and the hinge body, and the third wall Sections 102 - 333 are formed under the opening 130 for guiding the wires to change the extending direction into the hinge body, and pass through the front panel of the box body 101 through the hinge body. Preferably, the lengths of the first wall section 102-331, the second wall section 102-332 and the third wall section 102-333 decrease in length, and the length of the guide wall 102-61 constituting the first wall section 102-331 The length of the guide walls 102-62 forming the second wall section 102-332 is smaller than the length of the guide walls 102-62 forming the second wall section 102-332 than the length of the guide walls 102 forming the third wall section 102-333 The length of -63, which is designed to take into account that the bending degree and bending times of the wire in the second wall section and the third wall section are significantly larger than those in the first wall section, and the increasing length can ensure that the wire does not fall off , and at the same time play a protective effect on the wire.

The wires 105 are routed and extended along the first wire grooves 102-33 until the position of the door hinge assembly. The hinge body 103-1 passes through the opening 130 and protrudes from the second inner frame surface 102-32. The hinge body 103-1 has a first cavity 109 formed inside the hinge body 103-1 for guiding and changing the extension direction of the wire 105, and the first cavity 109 communicates with each other. The first through hole 101-27 is opened on the front plate 101-2 of the box body 101. The wire 105 enters the first cavity 109 in the hinge body 103-1 from bottom to top, and is guided through the first through hole 101-27. After passing through the front panel 101 - 2 of the box body 101 , it enters the second wire groove 107 - 1 from bottom to top, and is connected to the control module 110 disposed in the box body 101 .

In this way, the rotation of the washing machine door assembly 102 relative to the cabinet 101 will not affect the connection between the voice module 104 and the control module 110, and the wires 105 between the two are completely hidden and invisible, and will not affect the overall washing machine. to improve the aesthetics or to increase the number of components outside the washing machine box 101 . The working environment of the voice module 104 is stable, and at the same time, the control module 110 can conveniently form a good mechanical connection and electrical connection with other control components, display components, buttons, and the like.

As shown in the figure, in order not to affect the operation of the door hinge assembly, preferably, the first cavity 109 is provided on the lower side of the hinge body 103-1. The basic structure of the first cavity 109 matches the hinge body 103-1, the first cavity 109 is L-shaped, the end of the first cavity 109 close to the front plate is defined as the outlet end 109-2, and the end away from the front plate is defined as The incoming wire end 109-1 and the outgoing wire end 109-2 communicate with the first through holes 101-27 opened on the board of the box body 101. The wire 105 extending longitudinally from the first wire groove 102-33 enters the first cavity 109 from the wire entry end 109-1. The first cavity 109 is flush with the edge of the hinge body 103-1, and the wire 105 extends horizontally in the first cavity 109 and is turned 90 degrees and then protrudes from the wire outlet end 109-2. In order to keep the wire 105 stable in the first cavity 109 , the first cavity 109 is further provided with a blocking piece 103 - 4 for preventing the wire 105 from falling off. As shown in FIG. 2 , the blocking piece 103-4 is preferably designed to be L-shaped correspondingly. The two ends of the blocking piece 103-4 are respectively provided with clamping parts 103-41. The clamping parts 103-41 are perpendicular to the blocking piece body and extend after assembly. into the first cavity 109 , and the blocking wire 105 falls off from the first cavity 109 .

The inner side of the front plate 101-2 of the box body 101, that is, the side away from the door hinge assembly, is provided with a hinge reinforcing plate 106, and the hinge reinforcing plate 106 is provided with a second through hole 106-1 at the position corresponding to the first through hole 101-27. , the wires 105 are guided through the front plate 101-2 of the box body 101 through the first through holes 101-27 and the second through holes 106-1 and then enter the second wire grooves 107 formed on the wire plate 107 from bottom to top. -1 in. The upper edge of the wire board 107 is fixedly arranged on the front beam 108 .

In this embodiment, the wire 105 used to connect the voice module 104 and the control module 110 needs to change the extending direction for many times, and the bend is prone to breakage or breakage. The first cavity 109 and the baffle 103-4 play a certain role. protective effect. Before entering the first cavity 109, the wire 105 will also be bent from bottom to top. In order to better guide the wire 105, prevent the wire 105 from sliding, and protect it, the hinge plate 102-4 is formed on the hinge plate 102-4. A guide cavity 102-42 is formed below the hinge plate 102-4 corresponding to the groove 102-41 of the door hinge assembly, and communicates with the groove 102-41. The guide cavity extends in a direction away from the second inner frame surface 102-32. After installation, the position of the guide cavity corresponds to the third wall section. When the wire 105 changes direction from bottom to top, the guide cavity can play a good guiding and protective role, ensuring the stability of the connection between the voice module 104 and the control module 110 during long-term use.

In order to achieve the effect that the external design is as simple and beautiful as possible, in this embodiment, the front plate 101-2 of the box body 101 is a sheet metal integrated front plate. Only the handle 101-22 of the distributor, the display module 101-21, the key module 101-23, and the filter 101-24 are embedded in the front panel 101-2 of the entire box 101. Preferably, the control module 110 and the display modules 101-21 are of integrated design, the display module 101-21 is on the front panel 101-2 of the box body 101, and the control module 110 is on the inner side. The display module can be an LCD display, an LED display or other available display screens. In order to facilitate assembly, the upper edge of the front plate 101-2 of the box body 101 is provided with a flange 101-25 in the same extending direction as the front plate 101-2 of the box body 101. In the non-assembled state, a certain angle is formed between the flange 101-25 and the front plate 101-2 of the box body 101 . Preferably, the included angle is 5 degrees. The front beam 108 includes a beam body 108-1 and a connecting portion 108-2. The beam body 108-1 and the connecting portion 108-2 are perpendicular to each other, and the extending direction of the connecting portion 108-2 is the same as that of the front plate 101-2 of the box body 101. The direction of extension is opposite. During assembly, the left and right ends of the beam body 108-1 are firstly connected to the body 101-1 of the box body 101 by bolts, and then the connecting portion 108-2 is connected between the flange 101-25 and the front plate 101-2 of the box body 101. The area between them is extended, that is, the front plate 101-2 of the box body 101 is suspended on the front beam 108 and fixed by bolts to complete the assembly. In this way, the sheet metal one-piece front panel is suspended on the front cross member 108 . After the suspension is completed, the flange and the front plate 101-2 of the box body 101 are basically kept parallel, so that the suspension effect is stable and reliable.

Since the front plate 101-2 of the box body 101 is a sheet metal integrated design, in order to achieve a better sound pickup effect, the sound pickup hole is protected at the same time. In this embodiment, the speaker and the microphone connected to the voice module 104 are arranged in the support cavity 102-5; the speaker through hole 111-2 and the microphone sound pickup hole 111-1 are arranged on the surface of the first inner frame 102- 31 on. Preferably, a microphone array 111 is provided in the support cavity 105 to optimize the sound pickup effect of the voice module 104 . The microphone array 111 can be a linear array or a ring array, the linear array can distinguish sound source information within 180 degrees, and the ring array can distinguish sound source information within 360 degrees. For a front-loading washing machine, the probability of sound source information coming from below is generally small. Therefore, a linear array is preferably provided, and symmetrical microphone sound pickup holes 111-1 corresponding to the linear array are provided on the first inner frame surface 102-31. The voice module 104 is preferably arranged at the upper position of the center line of the washing machine door assembly 102, and the display control module 110 is arranged in the box body 101 at the corresponding position. In this way, the inner frame and the front plate 101-2 of the box body 101 can form a sound pickup cavity. In order to ensure the sealing effect, a sealing strip is usually arranged in the sound pickup cavity. The sound inlet of the sound pickup cavity is formed at the gap between the washing machine door assembly 102 and the front panel 101-2 of the cabinet 101, which is highly ergonomic. A more preferred form is to set a decorative strip 110 at the sound entrance, and design a guide hole on the decorative strip, and the guide hole is a blind hole. The guide hole does not have the effect of actually picking up sounds, but guides the user to make sounds toward this area, so as to ensure the use effect of the speech module 104 . At the same time play a role in beautifying the appearance.

The drum washing machine disclosed in the present invention improves the working stability of the voice module through a specially designed connection method between the voice module and the control module while ensuring the appearance is simple; after the connection structure is added, the control module can be easily connected to the Other functional components realize mechanical connection and electrical connection, and will not affect the normal opening and closing of the door. The drum washing machine disclosed by the invention has the advantages of high working stability, good practicability and beautiful appearance.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand: it can still be Modifications are made to the technical solutions described in the foregoing embodiments, or some technical features thereof are equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. A washing machine door assembly, comprising an outer frame and an inner frame arranged around the edge of the viewing window assembly, the washing machine door assembly is rotatably connected to a box body through a door hinge assembly to open or close a function provided on the box body. It is a pick-and-place port for picking and placing clothes; it is characterized in that the outer frame and the inner frame enclose a support cavity, and the voice module is fixedly arranged in the support cavity; the voice module is arranged on the box body through a wire. control module connection. 2. The washing machine door assembly according to claim 1, wherein the outer frame and the inner frame are annular; the inner frame has a first inner frame surface and a second inner frame surface, wherein the The surface of the first inner frame is close to the side of the box body, and the surface of the second inner frame is away from the side of the box body; the voice module is fixed on the surface of the second inner frame, and the surface of the second inner frame is A guide wall is symmetrically arranged on the upper part, the guide wall protrudes from the surface of the second inner frame and extends in the axial direction; the wire connected with the voice module is arranged between the guide walls. 3 . The door assembly of the washing machine according to claim 2 , wherein the guide wall is arranged intermittently, and the guide wall and the surface of the second inner frame enclose a first wire groove, which is connected to the voice module. 4 . The wires are routed along the first wire groove. 4 . The door assembly of the washing machine according to claim 3 , wherein the inner frame is provided with an opening for allowing the door hinge assembly to pass through; the guide wall is intermittently arranged to form a first wall section, a second wall section and a second wall section. 5 . Two wall sections and a third wall section; wherein the first wall section is distributed in an arc shape, the second wall section is distributed in a top-down direction, and the third wall section is horizontally distributed, so The first wall section is formed between the voice module and the door hinge assembly, the second wall section is formed on one side of the opening, and the third wall section is formed below the opening. 5 . The washing machine door assembly of claim 4 , wherein the lengths of the first wall section, the second wall section and the third wall section decrease in sequence. 6 . 6 . The washing machine door assembly according to claim 5 , wherein a hinge plate is further provided in the support cavity, and a guide cavity is formed on the hinge plate, and the guide cavity moves away from the first The direction of the two inner frame surfaces extends, and the guide cavity is disposed corresponding to the third wall section. 7. The washing machine door assembly according to claim 6, wherein a microphone or a microphone array is further provided in the support cavity. 8 . The door assembly of the washing machine according to claim 7 , wherein the inner frame is symmetrically provided with microphone sound pickup holes. 9 . 9 . The washing machine door assembly according to claim 8 , wherein a speaker is further provided in the support cavity, and a speaker through hole is opened on the inner frame. 10 . 10. A front-loading washing machine, characterized by comprising the washing machine door assembly according to any one of claims 1 to 9.

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