CN215959388U - Health preserving kettle control circuit applying non-contact keys - Google Patents
Health preserving kettle control circuit applying non-contact keys Download PDFInfo
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- CN215959388U CN215959388U CN202122141096.1U CN202122141096U CN215959388U CN 215959388 U CN215959388 U CN 215959388U CN 202122141096 U CN202122141096 U CN 202122141096U CN 215959388 U CN215959388 U CN 215959388U
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Abstract
The utility model relates to the technical field of health preserving kettle control circuits, in particular to a health preserving kettle control circuit applying non-contact keys, which comprises a processor chip, the non-contact keys, a display module, a temperature detection module, a sound prompt module and a power module, wherein the power module comprises a heating power supply and a control power supply, the heating power supply is used for supplying power to the heating module of the health preserving kettle, the control power supply is used for supplying power to the processor chip, the non-contact keys, the display module, the temperature detection module and the sound prompt module, the non-contact keys are provided with a plurality of keys, all the non-contact keys are made of conductive materials, a gap of 0-5mm is arranged between the upper surface of each non-contact key and the shell of the health preserving kettle, all the non-contact keys are connected with the signal detection end of the processor chip one by one, the display module is connected with the output end of the processor chip, the utility model can realize the non-contact control of the electric appliance and improve the use effect of the equipment.
Description
Technical Field
The utility model relates to the technical field of health preserving kettle control circuits, in particular to a health preserving kettle control circuit applying a non-contact key.
Background
In the high-speed microelectronic era, touch chip schemes are increasing. Touch key-press far than the tradition dabs key-press switch long service life, is difficult for the oil impregnate moreover, clean dustproof, succinct exquisite, the top grade, user experience compares dabs key-press switch and is higher to can also improve waterproof grade. The use of a touch spring to construct an inductive touch button is a robust alternative to conventional tact button switches. However, the spring is low in efficiency and low in automation degree in the production and assembly process, and if the automatic production needs to be adjusted, the material cost is increased by times.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a health preserving pot control circuit applying a non-contact key.
In order to achieve the purpose, the utility model provides the following technical scheme: a health preserving pot control circuit applying non-contact keys comprises a processor chip, a non-contact key, a display module, a temperature detection module, a sound prompt module and a power module, wherein the power module comprises a heating power supply and a control power supply, the heating power supply is used for supplying power to the heating module of the health preserving pot, the control power supply is used for supplying power to the processor chip, the non-contact keys, the display module, the temperature detection module and the sound prompt module, the non-contact keys are provided with a plurality of non-contact keys, all the non-contact keys are made of conductive materials, a gap of 0-5mm is arranged between the upper surface of each non-contact key and the shell of the health preserving pot, all the non-contact keys are connected with a signal detection end of the processor chip one by one, the display module is connected with the output end of the processor chip, and the detection end of the temperature detection module is arranged in a pot body of the health preserving pot, the signal output end of the temperature detection module is connected with the input end of the processor chip, the signal receiving end of the sound prompt module is connected with the output end of the processor chip, and the output end of the processor chip is connected with the control end of the heating power supply.
Preferably, the heating power supply comprises a silicon controlled rectifier chip and a triode, one end of the silicon controlled rectifier chip is connected with an external power supply output end, the other end of the silicon controlled rectifier chip is connected with a heating module of the health preserving kettle, the collector of the triode is connected with the output end of the external power supply, the emitter of the triode is grounded, the base of the triode is connected with the output end of the processor chip, a step-down resistor is connected in series between the collector of the triode and the output end of the external power supply, and the trigger end of the silicon controlled rectifier chip is connected to the connecting point of the step-down resistor and the collector of the triode.
Preferably, the silicon controlled chip is a bidirectional silicon controlled rectifier.
Preferably, the control power supply is a power management chip circuit, an input end of the power management chip circuit is connected with an output end of an external power supply, and an output end of the power management chip circuit outputs a +5V working power supply.
Preferably, the display module is a 4-bit nixie tube, and the connecting pins of the 4-bit nixie tube are respectively connected with the output end of the processor chip.
Preferably, the sound prompt module is a buzzer, a power end of the buzzer is connected with an output end of the control power supply, and a control end of the buzzer is connected with an output end of the processor chip.
Preferably, the temperature detection module is a thermistor, and an output end of the thermistor is connected with an input end of the processor chip.
Preferably, the processor chip is a CBM7312A3S2D type touch chip.
Compared with the prior art, the utility model has the beneficial effects that: through the arrangement of the non-contact keys and the combination of the non-contact keys and the touch control chip, the signal of the self-capacitance of the key body can support the detection of an isolated signal in the air, so that when the non-contact key is used, the touch control chip can process the self-capacitance signal and realize the corresponding function; in addition, a gap is formed between the key body and the touch panel of the product, the installation requirement is reduced, meanwhile, the condensation damp water generated by the panel in the use process is very heavy to the corrosion of the cylindrical spring, the novel touch key is not close to the panel any more, and the corrosion influence of the condensation water is reduced.
Drawings
Fig. 1 is a schematic circuit diagram of the present invention.
In the figure: 1. a processor chip; 2. a non-contact key; 3. a display module; 4. a temperature detection module; 5. a voice prompt module; 6. a power supply module; 7. a heating power supply; 8. controlling a power supply; 9. a silicon controlled chip; 10. a triode; 11. and a voltage reduction resistor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a health preserving pot control circuit applying non-contact keys comprises a processor chip, non-contact keys, a display module, a temperature detection module, a sound prompt module and a power supply module, the power supply module comprises a heating power supply and a control power supply, the heating power supply is used for supplying power to the heating module of the health preserving pot, the control power supply is used for supplying power to the processor chip, the non-contact key, the display module, the temperature detection module and the sound prompt module, the health preserving kettle is characterized in that the number of the non-contact keys is multiple, all the non-contact keys are made of conductive materials, a gap of 0-5mm is formed between the upper surface of each non-contact key and the shell of the health preserving kettle (preferably, a gap of 2-3mm is formed between the upper surface of each non-contact key and the shell of the health preserving kettle), and key marks are arranged on the surface of the shell of the health preserving kettle corresponding to each non-contact key.
All non-contact keys are connected with the signal detection end of the processor chip one by one, the display module is connected with the output end of the processor chip, the detection end of the temperature detection module is arranged in the pot body of the health preserving pot, the signal output end of the temperature detection module is connected with the input end of the processor chip, the signal receiving end of the sound prompt module is connected with the output end of the processor chip, and the output end of the processor chip is connected with the control end of the heating power supply.
Heating power supply includes silicon controlled rectifier chip and triode, and the one end and the external power supply output of silicon controlled rectifier chip are connected, and the silicon controlled rectifier chip other end is connected with the heating module of health preserving kettle, and external power supply's output is connected to the collecting electrode of triode, the projecting pole ground connection of triode, and the base of triode is connected with the output of treater chip, and it has step-down resistor to establish ties between the collecting electrode of triode and external power supply's the output, and the trigger end of silicon controlled rectifier chip is connected in the collecting electrode junction department of step-down resistor and triode.
And a resistor R11 is also connected in series between the step-down resistor and the collector of the triode.
The external power source is the commercial power, the silicon controlled rectifier chip is the bidirectional thyristor, the commercial power is connected to the one end of bidirectional thyristor, the heating coil of health preserving kettle is connected to the other end, the trigger end of bidirectional thyristor connects between step-down resistance in resistance R11, the output of connecting the treater chip behind the base series resistance R9 of triode.
The control power supply is a power supply management chip circuit, the input end of the power supply management chip circuit is connected with the output end of an external power supply, and the output end of the power supply management chip circuit outputs a +5V working power supply.
The power supply management chip circuit adopts an AP8506Q type low-power switch power supply chip to form a working power supply output circuit.
The display module is a 4-bit nixie tube, and the connecting pins of the 4-bit nixie tube are respectively connected with the output end of the processor chip.
The sound prompt module is a buzzer, a power supply end of the buzzer is connected with an output end of the control power supply, and a control end of the buzzer is connected with an output end of the processor chip.
The temperature detection module is a thermistor, and the output end of the thermistor is connected with the input end of the processor chip.
The processor chip is a CBM7312A3S2D type touch chip.
Through this technical scheme, touch the position that the touch panel of health preserving kettle corresponds through the finger for the non-contact button that corresponds position department detects the change of capacitance signal, and in this change signal input touch-control chip, touch-control chip handled the signal and exported the triggering of corresponding function, makes the heating functions such as the watering of realization health preserving kettle, heating.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an use health preserving kettle control circuit of non-contact button which characterized in that: the health-care kettle comprises a processor chip, non-contact keys, a display module, a temperature detection module, a sound prompt module and a power module, wherein the power module comprises a heating power supply and a control power supply, the heating power supply is used for supplying power to the heating module of the health-care kettle, the control power supply is used for supplying power to the processor chip, the non-contact keys, the display module, the temperature detection module and the sound prompt module, the non-contact keys are arranged in plurality and made of conductive materials, a gap of 0-5mm is arranged between the upper surface of each non-contact key and the shell of the health-care kettle, all the non-contact keys are connected with the signal detection end of the processor chip one by one, the display module is connected with the output end of the processor chip, the detection end of the temperature detection module is arranged in the kettle body of the health-care kettle, and the signal output end of the temperature detection module is connected with the input end of the processor chip, and the signal receiving end of the sound prompt module is connected with the output end of the processor chip, and the output end of the processor chip is connected with the control end of the heating power supply.
2. A health preserving pot control circuit applying non-contact keys as claimed in claim 1, wherein: heating power supply includes silicon controlled rectifier chip and triode, and the one end and the external power supply output of silicon controlled rectifier chip are connected, and the silicon controlled rectifier chip other end is connected with the heating module of health preserving kettle, and external power supply's output is connected to the collecting electrode of triode, the projecting pole ground connection of triode, and the base of triode is connected with the output of treater chip, and it has step-down resistor to establish ties between the collecting electrode of triode and external power supply's the output, and the trigger end of silicon controlled rectifier chip is connected in the collecting electrode junction department of step-down resistor and triode.
3. A health preserving pot control circuit applying non-contact keys as claimed in claim 2, wherein: the silicon controlled chip is a bidirectional silicon controlled rectifier.
4. A health preserving pot control circuit applying non-contact keys as claimed in claim 1, wherein: the control power supply is a power supply management chip circuit, the input end of the power supply management chip circuit is connected with the output end of an external power supply, and the output end of the power supply management chip circuit outputs a +5V working power supply.
5. A health preserving pot control circuit applying non-contact keys as claimed in claim 1, wherein: the display module is a 4-bit nixie tube, and the connecting pins of the 4-bit nixie tube are respectively connected with the output end of the processor chip.
6. A health preserving pot control circuit applying non-contact keys as claimed in claim 1, wherein: the sound prompt module is a buzzer, a power supply end of the buzzer is connected with an output end of the control power supply, and a control end of the buzzer is connected with an output end of the processor chip.
7. A health preserving pot control circuit applying non-contact keys as claimed in claim 1, wherein: the temperature detection module is a thermistor, and the output end of the thermistor is connected with the input end of the processor chip.
8. A health preserving pot control circuit applying non-contact keys as claimed in claim 1, wherein: the processor chip is a CBM7312A3S2D type touch chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122141096.1U CN215959388U (en) | 2021-09-06 | 2021-09-06 | Health preserving kettle control circuit applying non-contact keys |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122141096.1U CN215959388U (en) | 2021-09-06 | 2021-09-06 | Health preserving kettle control circuit applying non-contact keys |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215959388U true CN215959388U (en) | 2022-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122141096.1U Active CN215959388U (en) | 2021-09-06 | 2021-09-06 | Health preserving kettle control circuit applying non-contact keys |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215959388U (en) |
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2021
- 2021-09-06 CN CN202122141096.1U patent/CN215959388U/en active Active
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