CN111736735A - A hidden car touch panel - Google Patents

Abstract

The invention relates to a hidden touch panel for automobiles, comprising a surface structure, a touch module, a vibration module, a sound module and a sensing module fixedly installed under the surface structure, the touch module and the vibration module, sound module, The induction modules are linked; the surface layer structure includes a soft surface layer or a hard surface layer. The touch function can be realized on the soft and hard surfaces of the car, and the control function can be realized by touching the sensing area of the product surface. Hidden touch buttons are adopted, which can automatically switch between the two states of lighting and non-lighting, which can not only satisfy the passengers' accurate identification of the button area, but also ensure the integrated effect of the product appearance, greatly improving the sense of technology. It can meet the industrialized mass production, and the cost is controllable.

Description

A hidden car touch panel

technical field

The invention relates to an automobile interior trim piece, in particular to a hidden automobile touch panel.

Background technique

At present, the control buttons of the automotive touch panels on the market are mostly mechanical buttons and touch buttons. The touch buttons are arranged inside the rigid plastic parts, and the surface of the plastic parts uses IMD, silk screen printing, spray paint, laser engraving, etc. to carry out the button pattern. of molding. It cannot be implemented on soft-coated products, and the above-mentioned design and implementation methods result in the buttons not having a hidden function, which is not conducive to the integration effect of the product surface and has a low sense of technology.

SUMMARY OF THE INVENTION

In view of the above-mentioned deficiencies of the prior art, the technical problem to be solved by the present invention is how to provide a hidden touch panel for automobiles with good decorative effect, strong sense of technology, and controllable cost, which can meet the requirements of industrialized mass production.

In order to solve the above-mentioned technical problems, the present invention adopts the following technical solutions:

A hidden touch panel for automobiles, comprising a surface structure and a touch module, a vibration module, a sound module and a sensing module fixedly installed under the surface structure, wherein the touch module is linked with the vibration module, the sound module and the sensing module. ; The surface layer structure includes a soft surface layer or a hard surface layer.

Wherein, the soft surface layer includes a light-transmitting soft layer, a glue layer, a diaphragm and a light-transmitting plastic part, and the light-transmitting soft layer is a light-transmitting leather, a light-transmitting fabric or a light-transmitting elastomer, so The glue layer is light-transmitting glue, the film has a light-transmitting area and an opaque area, a pattern corresponding to the touch module is printed on the film, and the light-transmitting plastic part is connected to the light-transmitting part through the glue layer. The soft layer (if the light-transmitting soft layer is an elastic body, it can be combined with the light-transmitting plastic part by injection molding) is connected, the film is fixed between the light-transmitting soft layer and the light-transmitting plastic part, and the touch module , vibration module, sound module and induction module are installed under the transparent plastic parts.

The hard surface layer includes a light-transmitting plastic part, a diaphragm and a transparent substrate, the diaphragm is printed with a pattern corresponding to the touch module, the light-transmitting plastic part and the transparent substrate are fixedly connected, and the diaphragm is It is installed between the light-transmitting plastic part and the transparent substrate.

Wherein, the light-transmitting plastic part is made of translucent material, and the transparent substrate is made of transparent material.

Wherein, the light-transmitting plastic part is produced by injection molding of a light-transmitting material or a semi-light-transmitting material.

Wherein, the light-transmitting material includes transparent PC or PMMA; the semi-transparent material includes semi-transparent ABS or light-diffusing PC.

Wherein, the light-transmitting glue is solvent-based glue, water-based glue or hot-melt glue.

Wherein, the touch module is a capacitive sensing touch, and an LED light is integrated on the touch module; the sensing module includes contact sensing and non-contact sensing.

Wherein, the touch sensing includes capacitive sensing modules distributed under the surface structure.

Wherein, the non-contact sensing is fixedly installed on the infrared sensing module under the surface layer structure, and the surface layer structure is provided with a sensing opening facing the infrared sensing module.

The beneficial effects of the present invention are:

1. The solution disclosed in this application can realize the touch function on the soft and hard surfaces of the automobile, and the control function can be realized by touching the sensing area on the surface of the product.

2. The solution disclosed in this application adopts hidden touch buttons, which can automatically switch between two states of lighting and non-lighting, which can not only satisfy the accurate identification of the button area by passengers, but also ensure the integrated effect of the appearance of the covered product. , greatly enhance the sense of technology. When the button is not lit, the surface of the product is covered with leather or injection molded parts; when the button is lit, the button pattern or symbol is displayed on the corresponding area of the button.

3. The solution disclosed in this application has the function of automatically lighting up the LED lights of the touch module. The sensor controls the LED lights of the touch module to light up automatically when the human hand approaches or touches the operation area, so as to ensure the hidden effect of the touch keys and allow passengers to Accurately identify key locations. At the same time, this design can realize contact and non-contact two ways of lighting the touch module LED light, which can meet different design requirements and user experience.

4. The solution disclosed in this application includes a touch feedback function, which further improves the passenger's operating experience, facilitates blind operation and confirms the validity of the operation, and improves the passenger's operating experience through vibration feedback and sound feedback.

5. The solution disclosed in this application can meet industrialized mass production, and the cost is controllable.

Description of drawings

FIG. 1 is a cross-sectional structural view of a hidden touch panel for automobiles according to the present invention.

FIG. 2 is a cross-sectional structural view of a concealed touch panel for automobiles using a soft surface layer according to the present invention.

3 is a cross-sectional structural view of a hidden touch panel for automobiles using a hard surface layer according to the present invention.

FIG. 4 is a schematic view of the back of a hidden touch panel for automobiles according to the present invention, which adopts a touch sensing module.

FIG. 5 is a schematic diagram of the sensing area of the touch sensing module of FIG. 4 .

6 is a schematic cross-sectional view of the product of FIG. 1 using a non-contact sensing module provided with sensing openings.

FIG. 7 is a schematic cross-sectional view of the product of FIG. 3 using a non-contact sensing module provided with sensing openings.

FIG. 8 is a schematic cross-sectional view of the product of FIG. 2 using a non-contact sensing module provided with sensing openings.

FIG. 9 is a schematic cross-sectional view of the product of FIG. 8 without a glue layer.

FIG. 10 is a schematic diagram showing the effect that the LED light of the touch module is not lit.

FIG. 11 is a schematic diagram showing the lighting effect of the LED lights of the touch module.

Fig. 12 is a schematic diagram of the overlap between the product and the counterpart.

Detailed ways

The present invention will be further described in detail below in conjunction with the accompanying drawings. In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "upper, lower" and "top, bottom" is usually based on the orientation or positional relationship shown in the accompanying drawings, only for the purpose of For the convenience of describing the present invention and simplifying the description, in the absence of the contrary, these directional words do not indicate or imply that the device or element referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be construed as a reference to the present invention. Limitation of the protection scope of the invention; the orientation words "inside and outside" refer to the inside and outside relative to the contour of each component itself.

A hidden touch panel for automobiles, as shown in Figure 1, includes a surface structure 1, a touch module 2, a vibration module 3, a sound module 4 and a sensing module 5 fixedly installed under the surface structure 1. The touch module 2 is linked with the vibration module 3, the sounding module 4, and the sensing module 5; the surface structure 1 includes a soft surface layer or a hard surface layer.

Wherein, as shown in FIG. 2, the soft surface layer includes a light-transmitting soft layer 11, a glue layer 12, a diaphragm 13 and a light-transmitting plastic part 14, and the light-transmitting soft layer 11 is light-transmitting leather, light-transmitting fabric or The light-transmitting elastomer, light-transmitting leather or light-transmitting fabric is bonded and covered on the outer surface of the product by glue. If the outer surface structure of the product is a convex or flat structure, glue may not be used. The elastomer can be combined with the light-transmitting trim by injection molding. When there is no light penetration, the light-transmitting soft layer 11 appears as a soft surface of ordinary leather, fabric or elastomer; when there is light penetration, the light penetrated from the inside can be seen on the outer surface. The light-transmitting leather is an existing material, and the light-transmitting leather produced by the Canadian manufacturer Canadian General-Tower is used. The light-transmitting leather includes Top Finish, PVCFilm, PVCFoam, PVCAdhesive and Fabric materials. The light-transmitting leather maintains the appearance of standard artificial leather when there is no light, and can transmit light when the backlight function is added. The light-transmitting leather belongs to the prior art, and its matching ratio will not be described in detail. The glue layer 12 is light-transmitting glue, and the light-transmitting glue can be coated on the surfaces of the light-transmitting plastic parts 14 and the diaphragm 13 by spraying glue or rolling glue. The film 13 has a translucent area 13A and an opaque area 13B, and the light cannot pass through the opaque area 13B, so as to avoid affecting the display effect of the product surface pattern. The film 13 is printed with a pattern corresponding to the touch module, and the light-transmitting plastic part 14 is connected to the light-transmitting soft layer 11 through the glue layer 12 . The diaphragm 13 is formed by in-mold decoration (eg, IMD, INS, IML, etc.). The diaphragm 13 is pasted on the transparent plastic part 14, the diaphragm 13 is fixed between the transparent soft layer 11 and the transparent plastic part 14, the touch module 2, the vibration module 3, the sound module 4 and the sensor The module 5 is installed under the light-transmitting plastic part 14 .

Wherein, as shown in FIG. 3 , the hard surface layer includes a transparent plastic part 14 , a diaphragm 13 and a transparent substrate 15 , the diaphragm 13 is printed with a pattern corresponding to the touch module, the transparent plastic part 14 and the transparent substrate 15 are printed on the diaphragm 13 . The transparent substrate 15 is fixedly connected, and the film 13 is installed between the transparent plastic part 14 and the transparent substrate 15 .

Wherein, the light-transmitting plastic part 14 is made of a translucent material, and the transparent substrate is made of a transparent material. The transparent substrate 15 can be assembled with the light-transmitting plastic parts by means of clamping, welding, screw fastening, etc., to ensure that the two are in close contact with each other.

For the light-transmitting plastic part 14 on the hard surface layer, a dark material can be selected to visually hide the internal structure of the light-transmitting plastic part. The color of the diaphragm should be selected to be close to the color of the light-transmitting plastic part, so as to avoid a large color contrast and cause uneven visual color on the appearance of the product.

Wherein, the light-transmitting plastic part 14 is made by injection molding of a light-transmitting material or a semi-transparent material.

Wherein, the light-transmitting material includes transparent PC or PMMA; the semi-transparent material includes semi-transparent ABS or light-diffusing PC.

Transparent plastic parts can also be multi-colored injection molding according to the design needs, using light-transmitting material for the part that needs to be transparent, and using opaque material for other areas.

Wherein, the light-transmitting glue is solvent-based glue, water-based glue or hot-melt glue.

Wherein, the touch module 2 is a capacitive inductive touch, and the touch module integrates LED lights, which are installed on the back of the surface structure 1 by clamping, welding, screw fastening, etc., as shown in Figures 10 and 11, the LED lights When the lamp is lit, the light is filtered by the diaphragm 13 and projected onto the surface of the product to form a pattern. The color display mode of the LED light can be adjusted through the program. When the corresponding sensing area on the product surface is touched, the color of the LED light changes. The LED light lighting mode can be set to be always on or lighted by receiving level signal. The sounding module 4 is a speaker, a buzzer or other sound prompting device. The sound-emitting module 4 is installed on the back of the surface structure 1 by means of snap connection, welding, screw fastening and the like. The sound-emitting module 4 is linked with the touch-control module 2. When the touch-sensing area is touched, the touch-control module outputs a level signal, and the sound-emitting module sends out sound feedback after receiving the level signal.

The vibration module 3 is fixed on the back of the surface structure 1 by clamping, welding, screw fastening, etc., and the vibration module is closely attached to the plastic light-transmitting part. The vibration module is linked with the touch module 2. When the touch sensing area is touched, the touch module outputs a level signal, and the vibration module generates vibration feedback after receiving the level signal.

The sensing module 5 includes contact sensing and non-contact sensing.

Wherein, the contact sensing is shown in FIGS. 4 and 5 , and includes capacitive sensing modules distributed under the surface structure. The sensing module array 51 adopts a plurality of capacitive sensing modules to be fixed on the back of the transparent plastic member 11 in a specific arrangement, so that the sensing area 52 covers the surface of the product. The sensing module is linked with the touch module 2, and when the sensing area 52 is touched, the sensing module outputs a level signal to the touch module to light up the LED light, and the surface of the product displays a touch pattern. When there is no operation in the sensing area 52, the LED light will automatically turn off after a period of time.

Wherein, the non-contact sensing is shown in FIG. 6 , including an infrared sensing module fixedly installed under the surface structure 1 , and the surface structure 1 is facing the infrared sensing module with a sensing opening 6 , when the human hand is close to the product At this time, the radiated far-infrared rays reach the sensing module through the sensing opening 6, and the sensing module 5 outputs a level signal to the touch module 2 to light up the LED light, and the product surface displays a touch pattern. The schematic diagram of the induction opening of the hard surface structure is shown in Figure 7, and the induction opening structure of the soft surface structure with glue and without glue is shown in Figures 8 and 9, respectively.

The aperture of the sensing opening 6 may be designed in the range of 0.1-1.0 mm according to the sensing sensitivity and appearance requirements. In the hard surface structure, the light-transmitting plastic parts and the induction opening structure of the transparent substrate can be directly molded during injection molding. In the soft surface layer structure, the opening structure on the light-transmitting soft layer can be completed by laser punching after the coating is completed. If the soft surface structure is not covered with glue, in order to avoid the displacement of the light-transmitting soft layer and block the sensing openings on the light-transmitting plastic parts, without affecting the appearance, the diameter of the openings on the light-transmitting plastic parts It can be larger than the aperture diameter of the light-transmitting soft layer.

As shown in Figure 12, if there is an assembly gap when the product is assembled with the counterpart 7, if the appearance can be satisfied, the induction opening can also be replaced by designing an appropriate assembly gap.

Finally, it should be noted that those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, provided that these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (10)

1. A hidden type automobile touch panel is characterized by comprising a surface layer structure, and a touch module, a vibration module, a sounding module and an induction module which are fixedly arranged below the surface layer structure, wherein the touch module is linked with the vibration module, the sounding module and the induction module; the surface layer structure comprises a soft surface layer or a hard surface layer.

2. The hidden touch panel of claim 1, wherein the soft surface layer comprises a light-transmissive soft layer, a glue layer, a membrane and a light-transmissive plastic member, the light-transmissive soft layer is made of light-transmissive leather, light-transmissive fabric or an elastomer with light-transmissive property, the glue layer is made of light-transmissive glue, the membrane has a light-transmissive region and a light-opaque region, the membrane has a pattern corresponding to the touch module printed thereon, the light-transmissive plastic member is connected with the light-transmissive soft layer through the glue layer, the membrane is fixed between the light-transmissive soft layer and the light-transmissive plastic member, and the touch module, the vibration module, the sound module and the sensing module are installed under the light-transmissive plastic member.

3. The hidden touch panel for automobiles of claim 2, wherein the hard surface layer comprises a transparent plastic part, a membrane and a transparent substrate, the membrane is printed with a pattern corresponding to the touch module, the transparent plastic part is fixedly connected to the transparent substrate, and the membrane is installed between the transparent plastic part and the transparent substrate.

4. The hidden automotive touch panel according to claim 3, wherein the light-transmissive plastic member is made of a translucent material, and the transparent substrate is made of a transparent material.

5. The hidden touch panel of claim 2, wherein the transparent plastic member is made of a transparent material or a semi-transparent material by injection molding.

6. The hidden automotive touch panel of claim 4 or 5, wherein the light transmissive material comprises transparent PC or PMMA; the semi-transparent material comprises semi-transparent ABS or light diffusion PC.

7. The hidden automotive touch panel according to claim 1, wherein the light-transmissive glue is a solvent-based glue, a water-based glue or a hot-melt glue.

8. The hidden automotive touch panel according to claim 1, wherein the touch module is capacitive sensing touch, and the touch module is integrated with an LED lamp; the sensing module comprises contact sensing and non-contact sensing.

9. The hidden automotive touch panel of claim 8, wherein the touch sensor comprises capacitive sensor modules distributed under the surface layer structure.

10. The hidden touch panel of claim 8, wherein the non-contact sensor is fixedly mounted on the infrared sensor module under the surface structure, and the surface structure has a sensing opening facing the infrared sensor module.

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