CN215769508U - Control circuit of warmer and warmer thereof - Google Patents
Control circuit of warmer and warmer thereof Download PDFInfo
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- CN215769508U CN215769508U CN202022941197.2U CN202022941197U CN215769508U CN 215769508 U CN215769508 U CN 215769508U CN 202022941197 U CN202022941197 U CN 202022941197U CN 215769508 U CN215769508 U CN 215769508U
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- 238000010438 heat treatment Methods 0.000 claims abstract description 59
- 239000000919 ceramic Substances 0.000 claims description 18
- 238000001514 detection method Methods 0.000 claims description 16
- 101150042711 adc2 gene Proteins 0.000 claims description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 101100434411 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) ADH1 gene Proteins 0.000 claims description 3
- 101150102866 adc1 gene Proteins 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 7
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010409 ironing Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
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Abstract
The utility model discloses a warmer control circuit and a warmer thereof, comprising an MCU control module, a switch adjusting module, a power supply module, a heating module and a communication module; the power supply module, the switch adjusting module, the heating module and the communication module are all connected with the MCU control module; the MCU control module receives a control instruction of the switch adjusting module or the communication module and controls the heating module to heat to a preset temperature. According to the utility model, the communication module or the switch adjusting module is used for receiving the control instruction of temperature adjustment, and a user can set the temperature of the warmer through the mobile terminal or directly through the switch adjusting module, so that the adjusting process is more convenient, the heating temperature is more accurate, the operation is simple, and the use experience of the user is improved.
Description
Technical Field
The utility model relates to the technical field of control of a warmer, in particular to a control circuit of the warmer and the warmer thereof.
Background
The warmer heats the heating element by current. The temperature is adjusted with the knob to traditional warmers universal adoption button, and the user need in the use with the rotatory scale of aiming at the outside of knob to with temperature regulation to required temperature. However, the accuracy of the knob is low, and if a user wants to adjust the temperature to a specified temperature, the user must pay attention to the scale aligned with the knob at any time during the adjustment process, which causes inconvenience to the user in adjusting the temperature. In addition, the user easily mistakenly touches the knob when using the handle in the use process of the warmer, so that the temperature of the warmer changes, the condition of supercooling or over-ironing can occur, the temperature can not be kept accurately regulated and controlled all the time, and the user experience is not good.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, one of the objectives of the present invention is to provide a control circuit for a warmer, which can receive a control command through a switch adjusting module and a communication module, precisely adjust the temperature of the heating module, and facilitate a user to adjust and monitor the temperature of the heating module in real time.
The second purpose of the present invention is to provide a warmer, which can receive a control command through a switch adjusting module and a communication module, precisely adjust the temperature of the heating module, and facilitate the user to adjust and monitor the temperature of the heating module in real time.
One of the purposes of the utility model is realized by adopting the following technical scheme:
a control circuit of a warmer comprises an MCU control module, a switch adjusting module, a power supply module, a heating module and a communication module; the power supply module, the switch adjusting module, the heating module and the communication module are all connected with the MCU control module; the MCU control module receives a control instruction of the switch adjusting module or the communication module and controls the heating module to heat to a preset temperature.
Further, the switch adjusting module comprises a key SW1, a switch tube Q1, a switch tube Q2 and a switch tube Q4; a first pin of the key SW1 is connected with the MCU control module, a 3 rd pin of the key SW1 is grounded, and a 6 th pin of the key SW1 is connected with the power supply module; the source electrode of the switching tube Q1 is connected with the power supply module, the grid electrode of the switching tube Q1 is connected with the collector electrode of the switching tube Q2, the base electrode of the switching tube Q2 is connected with the emitter electrode of the switching tube Q4, and the base electrode of the switching tube Q4 is connected with the ADC port of the MCU control module.
Further, the heating module comprises a ceramic heating sheet J3, a switching tube Q5, a resistor R14 and a resistor R16, one end of the ceramic heating sheet is connected with the power supply module, and the other end of the ceramic heating sheet is connected with the source electrode of the switch tube Q5; the drain of the switch tube Q5 is connected with the resistor R14 and the resistor R16, and the gate of the switch tube Q5 is connected with the resistor R16.
Further, the temperature detection module is further included, the temperature detection module includes a resistor R6, and one end of the resistor R6 is connected with an ADC0 port of the MCU controller; the MCU controller detects the heating temperature of the heating module through the voltage change of a resistor R6 of the temperature detection module.
Further, the MCU control module comprises a CS8969 chip, an RX port and a TX port of the CS8969 chip are both connected with the communication module, an ADC0 port of the CS8969 chip is connected with the temperature detection module, a PWM1 port of the CS8969 chip is connected with the heating module, and ADC1, ADC2 and ADC6 ports of the CS8969 chip are connected with the switching regulation module.
Furthermore, the communication module is a bluetooth module, and the bluetooth module is respectively connected with an external mobile terminal through the MCU control module, and receives and transmits control signals of the mobile terminal and the MCU control module.
Furthermore, the power module is a 12V lithium power supply and supplies power to the MCU control module, the heating module and the temperature detection module.
Furthermore, an indication module is further arranged and connected with the MCU control module and used for displaying the connection state of the Bluetooth module and the electric quantity prompt of the power supply module.
The second purpose of the utility model is realized by adopting the following technical scheme:
a warmer comprises a shell and the warmer control circuit, wherein the warmer control circuit is arranged on the shell, and the key SW1 of the switch adjusting module is exposed out of the shell.
Further, the shell comprises a first shell and a second shell, the first shell is matched with the second shell in a clamping mode, and the warmer control circuit is arranged in a space formed between the first shell and the second shell.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model provides a warmer control circuit and a warmer, wherein a communication module or a switch adjusting module is used for receiving a control instruction for temperature adjustment, and a user can set the temperature of the warmer through a mobile terminal or directly through the switch adjusting module, so that the adjustment process is more convenient, the heating temperature is more accurate, the operation is simple, and the use experience of the user is improved.
Drawings
FIG. 1 is a block diagram of an embodiment of the present invention;
fig. 2 is a schematic circuit diagram of an MCU control module according to a first embodiment of the present invention;
FIG. 3 is a schematic circuit diagram of a heating module according to a first embodiment of the present invention;
fig. 4 is a schematic circuit diagram of a bluetooth module according to a first embodiment of the present invention;
fig. 5 is a schematic circuit diagram of a switching regulator module according to a first embodiment of the present invention;
fig. 6 is a schematic circuit diagram of a temperature detection module according to a first embodiment of the present invention;
fig. 7 is a schematic circuit diagram of an indication module according to a first embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
As shown in fig. 1 to 7, the present invention provides a control circuit for a warmer, which includes an MCU control module, a switching adjustment module, a power module, a heating module and a communication module; the power supply module, the switch adjusting module, the heating module and the communication module are all connected with the MCU control module; the MCU control module receives a control instruction of the switch adjusting module or the communication module and controls the heating module to heat to a preset temperature.
The user can send control command to communication module or directly send control command through switch adjustment module through mobile terminal, and MCU control module basis communication module or switch adjustment module's control command sets up the temperature of calorifier for the process of regulation is more convenient, the temperature of heating is more accurate, and easy operation promotes user's use and experiences.
Specifically, as shown in fig. 2, the MCU control module uses a CS8969 chip, an RX port and a TX port of the CS8969 chip are both connected to the communication module, an ADC0 port of the CS8969 chip is connected to the temperature detection module, a PWM1 port of the CS8969 chip is connected to the heating module, and ADC1, ADC2, and ADC6 ports of the CS8969 chip are connected to the switching regulation module.
As shown in fig. 3, the heating module includes a ceramic heating plate J3, a switch tube Q5, a resistor R14 and a resistor R16, one end of the ceramic heating plate is connected to the power supply module, and the other end is connected to the source of the switch tube Q5; the drain of the switch tube Q5 is connected with the resistor R14 and the resistor R16, and the gate of the switch tube Q5 is connected with the resistor R16.
The MCU control module adjusts the temperature of the ceramic heating plate by controlling the current of the temperature fuse. The MCU control module controls the on or off of a switch tube Q5 of the heating module through a PWM1 signal, so that the size of current passing through the temperature fuse is changed, and the larger the current passing through the temperature fuse is, the higher the temperature of the ceramic heating piece J3 is. The temperature of the ceramic heater chip J3 is lower as the passing current of the temperature fuse is smaller.
And is convenient for users to control, as shown in fig. 5, a switch adjusting module is arranged in the control circuit. The switch adjusting module comprises a key SW1, a switch tube Q1, a switch tube Q2 and a switch tube Q4; the 1 st pin of the key SW1 is connected with the MCU control module, the 3 rd pin of the key SW1 is grounded, and the 6 th pin of the key SW1 is connected with the power supply module; the source electrode of the switching tube Q1 is connected with the power supply module, the grid electrode of the switching tube Q1 is connected with the collector electrode of the switching tube Q2, the base electrode of the switching tube Q2 is connected with the emitter electrode of the switching tube Q4, and the base electrode of the switching tube Q4 is connected with the ADC port of the MCU control module.
In the embodiment, when the user needs to turn on the warmer, the user can press the SW1 for a long time to preset time, and the warmer starts to power on to work normally. After pressing the key SW1, the MCU control module starts timing. When the time for pressing the key SW1 reaches a first preset time, the MCU control module sends a signal through the ADC2 port to turn off the switch Q4. After the switching tube Q4 is turned off, the switching tube Q2 is turned on, so that the switching tube Q1 is turned on to start normal operation. If the pressing time of the key SW1 does not reach the preset time, the MCU control module does not work.
In addition, for convenience of a user to adjust the temperature, the temperature of the heating module is directly adjusted through the key. The regulated temperature is divided into 5 steps. After the MCU control module works normally, the temperature is set to be 40 ℃ when the switch is pressed for the first time, is set to be 50 ℃ when the switch is pressed for the second time, is set to be 60 ℃ when the temperature is pressed for the third time, is set to be 70 ℃ when the temperature is pressed for the fourth time, and is set to be 80 ℃ when the temperature is pressed for the fifth time. Taking every 5 times as a cycle, when the temperature of the warmer is 80 degrees, the temperature needs to be adjusted to 50 degrees or 60 degrees, and only 1 or 2 more times of pressing the key is needed.
After the KEY SW1 is pressed each time, the 1 st pin and the 2 nd pin of the KEY SW1 are turned on, and the signal of the KEY DET is changed from 0V to 5V. After the ADC6 port of the CS8969 chip of the MCU detects that a KEY DET signal is converted into 5V, the control signal of the switch tube Q5 is adjusted to control the conduction frequency of the switch tube Q5, the ceramic heating sheet J3 starts to heat, the MCU control module records the KEY pressing times, and the temperature of the ceramic heating sheet J3 is adjusted according to the KEY pressing times.
After the user uses up, the user only needs to press the key SW1 for a long time to preset time, the MCU control module changes to 5V for the preset time by recording PWM DET, the switch tube Q4 is switched on, the switch tube Q2 is switched off, and the switch tube Q1 is switched off, so that the MCU control module stops working.
In order to provide more comfortable temperature for users, as shown in fig. 6, a temperature detection module is further provided, and the temperature detection module comprises a resistor R6, wherein one end of the resistor R6 is connected with an ADC0 port of the MCU controller; the MCU controller detects the heating temperature of the heating module through the voltage change of a resistor R6 of the temperature detection module. When the temperature of the ceramic heating plate J3 exceeds 80 ℃, the CS8969 chip of the MCU control module detects the heating temperature through the voltage change of the resistor R5. When the temperature exceeds 80 ℃, the CS8969 chip controls the duty ratio of the PWM1 to be 0, so that the switching tube Q5 is turned off, the output current is 0A, the ceramic heating plate J3 stops working, and the temperature begins to decrease. When the detected temperature is less than 80 degrees, the duty cycle of the PWM1 is controlled to 80%, thereby stabilizing the temperature at 80 degrees.
In addition, in the present invention, as shown in fig. 4, the communication module is a bluetooth module. The Bluetooth module is respectively connected with an external mobile terminal through the MCU control module, and receives and transmits control signals of the mobile terminal and the MCU control module. The mobile terminal can be an intelligent device which can be connected through Bluetooth, such as a smart phone, a smart watch or a tablet personal computer of a user. The Bluetooth module comprises a chip U1 and a resistor R1, wherein an RX port and a TX port of the chip U1 are respectively connected with an RX port and a TX port of a CS8969 chip of the MCU control module. After the mobile terminal sets the temperature, the bluetooth chip U1 receives the mobile phone signal, and transmits the signal to the MCU control module through the RX port and the TX port. After the CS8969 chip of the MCU control module receives a temperature setting command, the duty ratio of the PWM1 is adjusted to 80%, the switching tube Q5 is controlled, the current is increased, and the temperature of the ceramic heating plate J3 is increased.
The power module selects a 12V lithium power supply, and the MCU control module, the heating module, the temperature detection module and the communication module supply power. In order to facilitate the user to know the working state of the warmer, an indication module is further provided as shown in fig. 7. The indication module is connected with the MCU control module and used for displaying the connection state of the Bluetooth module and the electric quantity prompt of the power supply module.
Based on the same inventive concept, the utility model further provides a warmer, which comprises a housing and a warmer control circuit as described in the first embodiment, wherein the warmer control circuit is disposed in the housing. The button SW1 of the switch adjusting module is exposed from the housing. The shell comprises an elongated handle and a heating area, wherein the handle is held by a user and keeps a certain distance from the heating area, so that scalding in the using process is avoided.
The shell comprises a first shell and a second shell which are mutually clamped and matched, and the warmer control circuit is arranged in a space formed between the first shell and the second shell. The first shell is provided with a through hole for the ceramic heating sheet to transfer heat, so that the ceramic heating sheet is convenient for a user to use.
The utility model provides a warmer control circuit and a warmer, wherein a communication module or a switch adjusting module is used for receiving a control instruction for temperature adjustment, and a user can set the temperature of the warmer through a mobile terminal or directly through the switch adjusting module, so that the adjustment process is more convenient, the heating temperature is more accurate, the operation is simple, and the use experience of the user is improved.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (9)
1. A control circuit of a warmer is characterized by comprising an MCU control module, a switch adjusting module, a power supply module, a heating module and a communication module; the power supply module, the switch adjusting module, the heating module and the communication module are all connected with the MCU control module; the MCU control module receives a control instruction of the switch adjusting module or the communication module and controls the heating module to be heated to a preset temperature;
the switch adjusting module comprises a key SW1, a switch tube Q1, a switch tube Q2 and a switch tube Q4; a first pin of the key SW1 is connected with the MCU control module, a 3 rd pin of the key SW1 is grounded, and a 6 th pin of the key SW1 is connected with the power supply module; the source electrode of the switching tube Q1 is connected with the power supply module, the grid electrode of the switching tube Q1 is connected with the collector electrode of the switching tube Q2, the base electrode of the switching tube Q2 is connected with the emitter electrode of the switching tube Q4, and the base electrode of the switching tube Q4 is connected with the ADC port of the MCU control module.
2. The control circuit of claim 1, wherein the heating module comprises a ceramic heating plate J3, a switch tube Q5, a resistor R14 and a resistor R16, one end of the ceramic heating plate is connected with the power supply module, and the other end of the ceramic heating plate is connected with the source electrode of the switch tube Q5; the drain of the switch tube Q5 is connected with the resistor R14 and the resistor R16, and the gate of the switch tube Q5 is connected with the resistor R16.
3. The control circuit of claim 1, further comprising a temperature detection module, wherein the temperature detection module comprises a resistor R6, and one end of the resistor R6 is connected to the ADC0 port of the MCU controller; the MCU controller detects the heating temperature of the heating module through the voltage change of a resistor R6 of the temperature detection module.
4. The control circuit of claim 1, wherein the MCU control module comprises a CS8969 chip, the RX port and the TX port of the CS8969 chip are connected with the communication module, the ADC0 port of the CS8969 chip is connected with the temperature detection module, the PWM1 port of the CS8969 chip is connected with the heating module, and the ADC1, ADC2 and ADC6 ports of the CS8969 chip are connected with the switching regulation module.
5. The control circuit of claim 4, wherein the communication module is a Bluetooth module, and the Bluetooth module is respectively connected to the MCU control module and an external mobile terminal, and receives and transmits control signals of the mobile terminal and the MCU control module.
6. The warmer control circuit of claim 1, wherein the power module is a 12V lithium power supply that provides power to the MCU control module, the heating module, and the temperature detection module.
7. The warmer control circuit of claim 5, further comprising an indication module, wherein the indication module is connected to the MCU control module, and is configured to display a connection status of the Bluetooth module and a power level reminder of the power module.
8. A warmer, comprising a housing and a warmer control circuit according to any one of claims 1-7, wherein the warmer control circuit is disposed on the housing, and the switch SW1 of the switch adjustment module is exposed from the housing.
9. The warmer of claim 8, wherein the housing comprises a first housing and a second housing, the first housing and the second housing snap-fit together, and the warmer control circuit is disposed in a space formed between the first housing and the second housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022941197.2U CN215769508U (en) | 2020-12-07 | 2020-12-07 | Control circuit of warmer and warmer thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022941197.2U CN215769508U (en) | 2020-12-07 | 2020-12-07 | Control circuit of warmer and warmer thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215769508U true CN215769508U (en) | 2022-02-08 |
Family
ID=80070556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022941197.2U Active CN215769508U (en) | 2020-12-07 | 2020-12-07 | Control circuit of warmer and warmer thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215769508U (en) |
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2020
- 2020-12-07 CN CN202022941197.2U patent/CN215769508U/en active Active
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