CN206102467U - Heat preserving toaster - Google Patents

Abstract

The utility model discloses a heat-retaining toaster. The heat-retaining toaster comprises a shell, and the shell is provided with a heating cavity for placing bread to be toasted. The heating cavity is provided with a heater for toasting bread. The heater includes a first heater for toasting bread and a second heater for toasting and keeping warm, and also includes a control circuit for controlling the heating state of the toaster, and the control circuit includes a control chip and An electronic switch for controlling the on-off of the first heater, the electronic switch is connected with the control chip. The utility model controls the work of the first heater and the second heater through the control chip. When heating, the first heater and the second heater work together. When keeping warm, the first heater is disconnected through the relay, and the second heater is used. Heat preservation, not only has a good heat preservation effect, but also can effectively avoid external interference, precise control, and avoid the situation of bread burnt.

Description

A heat-retaining toaster

technical field

The utility model relates to a toaster, in particular to a heat preservation toaster.

Background technique

With the development of the economy, people's living standards are improving day by day, and various household appliances are also becoming more and more abundant. Toasters have become an indispensable household appliance in people's daily life, but most traditional toasters do not have insulation Even if it has the function of heat preservation, it is controlled by mechanical parts, which is not only easily affected by environmental factors, but also has large control errors, often causing the bread to be burnt, which brings a lot of inconvenience to people's daily life.

Utility model content

In order to solve the above problems, the purpose of this utility model is to provide a heat preservation toaster.

The technical solution adopted by the utility model to solve the problem is: a thermal insulation toaster, including a shell, the shell is provided with a heating cavity for placing bread to be toasted, and a heating cavity for toasting bread is provided in the heating cavity. The heater includes a first heater for toasting bread and a second heater for toasting and keeping warm, and also includes a control circuit for controlling the heating state of the toaster, and the control circuit It includes a control chip and an electronic switch for controlling the on-off of the first heater. The electronic switch is connected to the control chip. In the baking mode, the first heater and the second heater work at the same time. In the heat preservation mode, the control The chip disconnects the first heater through an electronic switch, and the second heater keeps warm.

Further, the electronic switch is a relay arranged on the first heater energization circuit, and the control terminal of the relay is connected to the control chip.

Further, the housing is provided with a key set for controlling the working state of the toaster, and the key set includes a plurality of keys connected to the control chip.

Further, the button group includes a heat preservation button for controlling the toaster to enter the heat preservation mode, the heat preservation button is connected to the control chip, when the toasting mode ends, the control chip detects that the heat preservation button is pressed, and the electronic switch Disconnect the first heater and enter the keep warm mode.

Further, the button group includes a thawing button for controlling the toaster to enter the thawing mode, the thawing button is connected to the control chip, and before entering the baking mode, the control chip detects that the thawing button is pressed, and then enters the thawing mode, The bread is thawed in advance by the first heater and the second heater before baking.

Further, the keys in the key group are connected in series with LED display lights for displaying the state of the keys, and when the keys are pressed, the LED display lights are energized and turned on. In the utility model, every time a button is pressed, the corresponding LED display light will light up, so that the user can directly judge whether his operation is successful, greatly reducing the possibility of misoperation, and improving the subjective experience of the user.

Further, the control circuit includes a sliding resistor for adjusting the baking time, the sliding resistor is connected to the control chip, and the housing is also provided with a knob for adjusting the resistance value of the sliding resistor, and the control chip reads the The voltage of the sliding resistor is used to adjust the baking time of the heater. The utility model adjusts the resistance value of the sliding resistance through the knob, and the voltage at the sliding end of the sliding resistance changes with the resistance value of the sliding resistance, and the control chip determines how long the heating time is set by measuring the voltage at the sliding end of the sliding resistance. The mechanism of the utility model can not only set a corresponding heating time according to different types of heated bread, so that the baking effect of the bread is better, but also has the advantages of precise control, easy implementation and low cost.

Further, the housing is also provided with a rod switch for controlling the first heater and the second heater to be energized, and the housing is also provided with a snap-press mechanism for controlling the bread to enter and pop out of the heating chamber. The rod switch Linked with the elastic pressing mechanism, the control circuit also includes an electromagnet for keeping the lever switch in a pressed state, and the electromagnet is connected to the control chip. When the lever switch is pressed, the linked elastic pressing mechanism is pressed down to make the When the bread enters the heating chamber, the first heater and the second heater are energized to work, the control chip controls the electromagnet to energize the lever switch, keeps the spring pressure mechanism pressed down, and starts the baking mode; when the keep warm mode is turned on, when the keep warm At the end, the control chip controls the power off of the electromagnet, resets the lever switch and the spring pressing mechanism, and makes the bread pop out; The mechanism is reset to make the bread pop out.

Further, the first heaters and the second heaters are evenly arranged in the heating chamber alternately. This arrangement of the utility model can ensure that the bread is evenly heated no matter in the process of heating or heat preservation, and can effectively avoid the situation that the bread is burnt due to uneven heating.

Further, a voltage stabilizing circuit for stabilizing the working voltage of the control circuit is arranged inside the casing, and the voltage stabilizing circuit is connected with the control chip. The voltage stabilizing circuit provided in the utility model can effectively ensure the stability of the working voltage of the product and improve the safety and reliability of the product.

Further, a buzzer is provided inside the housing for making a prompt sound, and the buzzer is connected to the control chip. Whenever the control buttons are operated and the bread is baked, the honey maker will emit a corresponding prompt sound, so that even if the user does not look at the indicator light, he can know the working status of the toaster, making this product more convenient and quick.

Further, the housing is provided with a display screen for displaying the working state of the toaster, the display screen is provided with a backlight, and the display screen is connected to the control chip. The setting of the display screen of the utility model makes the working state and various working parameters of the product more intuitive, and further facilitates the user's control of the product.

Further, the shell is provided with a cancel button for stopping the toaster, and the cancel button is connected with the control chip. The cancel button of this product can immediately stop all work, so that when the user temporarily changes his mind or makes an operation error, there are certain remedial measures, which fully reflects the humanization of this product.

Further, the operating voltage of the toaster is below 390V.

The beneficial effects of the utility model are: the utility model is a heat preservation toaster, the utility model controls the work of the first heater and the second heater through the control chip, and the first heater and the second heater Working together, the first heater is disconnected through the relay when keeping warm, and the second heater is used to keep warm, which not only has a good heat preservation effect, but also can effectively avoid external interference, precise control, and avoid the situation of baked bread.

Description of drawings

Below in conjunction with accompanying drawing and example the utility model is described further.

Fig. 1 is a structural diagram of the utility model;

Fig. 2 is a circuit diagram of the utility model.

detailed description

Fig. 1 is a structural diagram of the utility model, and Fig. 2 is a circuit diagram of the utility model, as shown in Fig. 1 and Fig. 2, a heat preservation toaster includes a shell 1, and the shell 1 is provided with a The heating cavity 3 of bread, the heating cavity 3 is provided with the heater for toasting bread, and described heater comprises the first heater 4 that is used for toasting bread and the second heating that is used for toasting bread and keeping warm The device 5 also includes a control circuit for controlling the heating state of the toaster, the control circuit includes a control chip 2 and an electronic switch for controlling the on-off of the first heater 4, the electronic switch is connected with the control chip 2, When in the baking mode, the first heater 4 and the second heater 5 work at the same time. When in the heat preservation mode, the control chip 2 disconnects the first heater 4 through an electronic switch, and the second heater 5 keeps warm. The electronic switch of the utility model is a relay 6 arranged on the energization circuit of the first heater 4 , and the control end of the relay 6 is connected with the control chip 2 . The shell 1 of the utility model is provided with a button group for controlling the working state of the toaster, and the button group includes a plurality of buttons connected with the control chip 2 . The button group of the present utility model includes a heat preservation button 7 for controlling the toaster to enter the heat preservation mode. The heat preservation button 7 is connected to the control chip 2. Next, turn off the first heater 4 through the electronic switch to enter the heat preservation mode.

Fig. 1 is a structural diagram of the present utility model, and Fig. 2 is a circuit diagram of the present utility model, as shown in Fig. 1 and Fig. 2, the button set of the present utility model includes the thawing button 18 for controlling the toaster to enter the thawing mode, so The thawing button 18 is connected with the control chip 2. Before entering the baking mode, the control chip 2 detects that the thawing button 18 is pressed, then enters the thawing mode, and passes through the first heater 4 and the second heater 5 in advance before baking. Thaw the bread. The buttons in the button group of the utility model are connected in series with LED display lamps 8 for displaying the status of the buttons. When the buttons are pressed, the LED display lamps 8 are energized and conducted. Every time the utility model presses the button, the corresponding LED display lamp 8 will light up, so that the user can directly judge whether his operation is successful, greatly reduces the possibility of misoperation, and improves the subjective experience of the user. The control circuit of the present utility model includes a sliding resistor 10 for adjusting the baking time, the sliding resistor 10 is connected with the control chip 2, and the housing 1 is also provided with a knob 9 for adjusting the resistance value of the sliding resistor 10. The control chip 2 adjusts the baking time of the heater according to the read voltage of the sliding resistor 10 . The utility model adjusts the resistance value of the sliding resistor 10 through the knob 9, the voltage at the sliding end of the sliding resistor 10 changes with the resistance value of the sliding resistor 10, and the control chip 2 determines how long to set by measuring the voltage at the sliding end of the sliding resistor 10 heating time. The mechanism of the utility model can not only set a corresponding heating time according to different types of heated bread, so that the baking effect of the bread is better, but also has the advantages of precise control, easy implementation and low cost.

Fig. 1 is a structural diagram of the utility model, and Fig. 2 is a circuit diagram of the utility model, as shown in Fig. 1 and Fig. 2, the casing 1 of the utility model is also provided with a control first heater 4, a second heater 5 A lever switch 11 that is powered on, and a snap-press mechanism for controlling the entry and ejection of bread into the heating chamber 3 is also provided in the housing 1. The lever switch 11 is linked with the snap-press mechanism. Type switch 11 is kept in the electromagnet 12 of the pressing state, and the electromagnet 12 is connected with the control chip 2. When the lever type switch 11 is pressed, the linkage elastic pressing mechanism is pressed down, so that the bread enters the heating chamber 3. At this time, the first The first heater 4 and the second heater 5 are energized to work, the control chip 2 controls the electromagnet 12 to energize the rod switch 11, keeps the spring pressure mechanism pressed down, and starts the baking mode; when the heat preservation mode is turned on, when the heat preservation is over, The control chip 2 controls the power-off of the electromagnet 12, resets the lever switch 11 and the spring pressing mechanism, and makes the bread pop out; And the snap-press mechanism resets, and the bread pops up.

Fig. 1 is a structural diagram of the utility model, and Fig. 2 is a circuit diagram of the utility model, as shown in Fig. 1 and Fig. 2, the first heater 4 and the second heater 5 of the utility model are evenly arranged in the heating chamber within 3. This arrangement of the utility model can ensure that the bread is evenly heated no matter in the process of heating or heat preservation, and can effectively avoid the situation that the bread is burnt due to uneven heating. A voltage stabilizing circuit 13 for stabilizing the working voltage of the control circuit is arranged inside the shell 1 of the utility model, and the voltage stabilizing circuit 13 is connected with the control chip 2 . The voltage stabilizing circuit 13 provided in the utility model can effectively ensure the stability of the working voltage of the product and improve the safety and reliability of the product. The housing 1 of the present invention is provided with a buzzer 14 for emitting a prompt sound, and the buzzer 14 is connected with the control chip 2 . Whenever the control buttons are operated and the bread is baked, the honey maker will emit a corresponding prompt sound, so that even if the user does not look at the indicator light, he can know the working status of the toaster, making this product more convenient and quick. The housing 1 of the utility model is provided with a display screen 16 for displaying the working state of the toaster, and the display screen 16 is provided with a backlight 17 , and the display screen 16 is connected with the control chip 2 . The setting of the display screen 16 of the utility model makes the working state and various working parameters of the product more intuitive, and further facilitates the user's control of the product. The housing 1 of the present invention is provided with a cancel button 15 for stopping the toaster, and the cancel button 15 is connected with the control chip 2 . The cancel button 15 of this product can immediately stop all work, so that when the user temporarily changes his mind or makes an operation error, there are certain remedial measures, which fully embodies the humanization of this product. The operating voltage of the toaster is below 390V.

The above is only a preferred embodiment of the utility model, and the utility model is not limited to the above-mentioned embodiment, as long as it achieves the technical effect of the utility model by the same means, it should belong to the protection scope of the utility model.

Claims (10)

1. a kind of heat-preserving toaster, including shell（1）, the shell（1）It is provided with for placing the heating chamber for treating toast bread （3）, the heating chamber（3）Inside it is provided with the heater for toasting bread, it is characterised in that：The heater is included for drying The primary heater of toast bread（4）With for toasting the secondary heater of bread and insulation（5）, also include for controlling toaster The control circuit of heated condition, the control circuit includes control chip（2）With for controlling primary heater（4）The electricity of break-make Son switch, the electrical switch and control chip（2）Connection, in the pattern of baking, primary heater（4）, secondary heater（5） Work simultaneously, in holding mode, control chip（2）Primary heater is disconnected by electrical switch（4）, secondary heater（5） It is incubated.

2. a kind of heat-preserving toaster according to claim 1, it is characterised in that：The electrical switch adds to be arranged at first Hot device（4）Relay on power circuit（6）, the relay（6）Control end and control chip（2）Connection.

3. a kind of heat-preserving toaster according to claim 1, it is characterised in that：The shell（1）On be provided with for controlling The button group of toaster working condition processed, the button group includes multiple and control chip（2）The button of connection.

4. a kind of heat-preserving toaster according to claim 3, it is characterised in that：The button group is included for controlling many scholars Stove enters the insulation button of holding mode（7）, the insulation button（7）With control chip（2）At the end of connection, baking pattern, The control chip（2）Detect insulation button（7）It is pressed, primary heater is disconnected by electrical switch（4）, into insulation Pattern.

5. a kind of heat-preserving toaster according to claim 3, it is characterised in that：The button group is included for controlling many scholars Stove enters the defrosting button of defrosting pattern（18）, the defrosting button（18）With control chip（2）Connection, into baking pattern Before, control chip（2）Detect defrosting button（18）It is pressed, then into defrosting pattern, adds beforehand through first before baking Hot device（4）, secondary heater（5）Bread is thawed.

6. according to a kind of arbitrary described heat-preserving toaster of claim 3 to 5, it is characterised in that：Button in the button group It is in series with the LED display lamps for display button state（8）, when the button is pressed, LED display lamps（8）Be powered conducting.

7. a kind of heat-preserving toaster according to claim 1, it is characterised in that：The control circuit includes being dried for adjusting The swept resistance of roasting time（10）, the swept resistance（10）With control chip（2）Connection, the shell（1）It is additionally provided with use In regulation swept resistance（10）The knob of resistance size（9）, the control chip（2）According to the swept resistance for reading（10）'s Voltage is adjusting the baking time of heater.

8. according to a kind of arbitrary described heat-preserving toaster of claim 1 to 5, it is characterised in that：The shell（1）On also set up There is control primary heater（4）, secondary heater（5）The pole type switch of energization work（11）, the shell（1）Inside it is additionally provided with Heating chamber is entered and ejects for controlling bread（3）Suppress mechanism, the pole type switch（11）Link with mechanism is suppressed, it is described Control circuit is also included for making pole type switch（11）It is maintained at the electric magnet of stitching state（12）, the electric magnet（12）With control Coremaking piece（2）Connection, works as pole type switch（11）When pressing, linkage is suppressed mechanism and is pushed, and makes bread enter heating chamber（3）It is interior, this When primary heater（4）, secondary heater（5）Energization work, control chip（2）Control electric magnet（12）Energization holds rod-type and opens Close（11）, holding suppresses mechanism and pushes, and opens baking pattern；When opening holding mode, when insulation terminates, control chip （2）Control electric magnet（12）Power-off, pole type switch（11）With suppress reset, eject bread;It is not turned on holding mode When, when baking terminates, control chip（2）Control electric magnet（12）Power-off, pole type switch（11）Answer with mechanism is suppressed Position, ejects bread.

9. a kind of heat-preserving toaster according to claim 1, it is characterised in that：The primary heater（4）Add with second Hot device（5）Uniformly respectively it is arranged on heating chamber（3）It is interior.

10. a kind of heat-preserving toaster according to claim 1, it is characterised in that：The shell（1）Also include for showing The display screen of toaster working condition（16）, the display screen（16）With control chip（2）Connection.