CN209826253U - Intelligent control system of electric cooker - Google Patents
Intelligent control system of electric cooker Download PDFInfo
- Publication number
- CN209826253U CN209826253U CN201920520430.4U CN201920520430U CN209826253U CN 209826253 U CN209826253 U CN 209826253U CN 201920520430 U CN201920520430 U CN 201920520430U CN 209826253 U CN209826253 U CN 209826253U
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- China
- Prior art keywords
- electric cooker
- unit
- control unit
- control system
- heating plate
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Links
- 238000010438 heat treatment Methods 0.000 claims abstract description 64
- 235000007164 Oryza sativa Nutrition 0.000 claims abstract description 27
- 235000009566 rice Nutrition 0.000 claims abstract description 27
- 238000004891 communication Methods 0.000 claims abstract description 15
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 230000005611 electricity Effects 0.000 claims abstract description 7
- 230000000087 stabilizing effect Effects 0.000 claims description 6
- 240000007594 Oryza sativa Species 0.000 claims 1
- 241000209094 Oryza Species 0.000 abstract description 26
- 230000006870 function Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 238000010411 cooking Methods 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- RVCKCEDKBVEEHL-UHFFFAOYSA-N 2,3,4,5,6-pentachlorobenzyl alcohol Chemical compound OCC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl RVCKCEDKBVEEHL-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Cookers (AREA)
Abstract
The utility model discloses an electric rice cooker's intelligent control system, include: the control unit is connected with the heating plate of the electric cooker and is used for heating control of the heating plate of the electric cooker; the state indicating unit is in signal connection with the control unit and is used for displaying the working state of the electric cooker; the Bluetooth communication unit is in signal connection with the control unit and is used for realizing wireless control of the electric cooker; the safety protection unit is in signal connection with the control unit and is used for temperature detection and overtemperature protection of the bottom of the electric cooker; and the power supply unit is electrically connected with the control unit and the electric cooker power circuit respectively and is used for supplying power to the control unit through the electric cooker power circuit. The utility model discloses an intelligent control system of electricity rice cooker makes electricity rice cooker's use more intelligent, optimizes user's experience.
Description
Technical Field
The utility model relates to an electricity rice cooker field especially relates to an intelligent control system of electricity rice cooker.
Background
The electric cooker is a modern cooker capable of cooking and processing a plurality of kinds, and is deeply favored by many families and one of indispensable cooking utensils for family cooking modernization because the electric cooker not only can cook food, but also can preserve heat, is clean and sanitary to use, has no pollution, and saves time and labor.
The control circuit of electric rice cooker is usually used to control the heating of PTC heating plate. The functions of heating, heat preservation and the like of the electric cooker are realized by heating and controlling the PTC heating element. And, with the more and more diversified function of electric rice cooker culinary art, the heating mode of electric rice cooker control circuit control PTC heating plate also more and more diversified to this realizes different heating culinary art modes. However, with the wide application of smart homes in home life, functions such as intelligent control and safety protection are increasingly applied to home appliances, and based on the functions, the intelligent control system of the electric cooker is provided, which is a technical problem worthy of being researched at present.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide an intelligent control system of an electric cooker, which can realize the intelligent control and safety protection of the electric cooker.
The purpose of the utility model is realized by adopting the following technical scheme:
an intelligent control system of an electric cooker, comprising: the control unit is connected with the heating plate of the electric cooker and is used for heating control of the heating plate of the electric cooker; the state indicating unit is in signal connection with the control unit and is used for displaying the working state of the electric cooker; the Bluetooth communication unit is in signal connection with the control unit and is used for realizing wireless control of the electric cooker; the safety protection unit is in signal connection with the control unit and is used for temperature detection and over-temperature protection of the bottom of the electric cooker; and the power supply unit is electrically connected with the control unit and the electric cooker power circuit respectively and is used for supplying power to the control unit through the electric cooker power circuit.
Further, the safety protection unit comprises a temperature sensor and an overtemperature protection element.
Further, the control unit comprises an stc15f2k60s2 single chip microcomputer.
Further, the Bluetooth communication unit adopts an HC-05 Bluetooth module.
Further, the status indication unit includes an LED lamp.
Further, the power supply unit provides a DC5V power supply for the control unit.
Further, the power supply unit includes an F1 fuse.
Furthermore, the power supply circuit of the electric cooker is connected with a mains supply and comprises a voltage stabilizing unit with a 78L05 chip, and the voltage stabilizing unit outputs DC5V power to the control unit through the power supply unit.
Further, the power supply circuit of the electric cooker also comprises a PTC heating plate control unit, and the control unit is connected with the electric cooker heating plate through the PTC heating plate control unit to control the heating of the electric cooker heating plate.
Further, PTC heating plate the control unit including triode and relay, the control unit switches on control relay and then carries out heating control to electric rice cooker heating plate through the triode.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model discloses an intelligent control system of electricity rice cooker through the control unit signal connection bluetooth communication unit, and the cell-phone terminal that is can carry out the signal interaction through bluetooth and control unit, makes things convenient for cell-phone terminal wireless control electricity rice cooker. In addition, the safety protection unit detects the temperature of the electric cooker chassis in real time, and intelligent overtemperature protection is performed through the control unit after the temperature exceeds a limit value, so that the electric cooker is more intelligent to use, and the user experience is optimized.
Drawings
FIG. 1 is a circuit diagram of an intelligent control system of an electric rice cooker;
FIG. 2 is a circuit diagram of a power supply unit of the intelligent control system of the rice cooker of FIG. 1;
FIG. 3 is a circuit diagram of a Bluetooth communication unit of the intelligent control system of the electric cooker of FIG. 1;
FIG. 4 is a circuit diagram of a safety protection unit of the intelligent control system of the rice cooker of FIG. 1;
FIG. 5 is a circuit diagram of a status indication unit of the intelligent control system of the rice cooker of FIG. 1;
FIG. 6 is a schematic diagram of a power circuit of the rice cooker.
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 the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.
The embodiment discloses an intelligent control system of electric rice cooker, because the development progress of intelligent house, people are more and more high to domestic appliance's intelligent demand, for adapting to people's needs to intelligent domestic appliance now, provide an intelligent control system of electric rice cooker to make electric rice cooker more tend to the intellectuality. The intelligent control and safety protection device gives users good use experience in the aspects of intelligent control and safety protection. And, still mainly use wifi intelligent control to give first place to because the current electric rice cooker in market still, pass through the bluetooth with cell-phone app and realize that intelligent control is still rare, for the convenience of user wireless control electric rice cooker, avoid communication network's influence, the control system of this embodiment also designs for realizing bluetooth control function.
The intelligent control system of an electric cooker as shown in fig. 1 comprises: the control unit is connected with the heating plate of the electric cooker and is used for heating control of the heating plate of the electric cooker; the state indicating unit is in signal connection with the control unit and is used for displaying the working state of the electric cooker; the Bluetooth communication unit is in signal connection with the control unit and is used for realizing wireless control of the electric cooker; the safety protection unit is in signal connection with the control unit and is used for temperature detection and overtemperature protection of the bottom of the electric cooker; and the power supply unit is electrically connected with the control unit and the electric cooker power circuit respectively, and is used for supplying power to the control unit through the electric cooker power circuit which is shown in figure 6. The control unit is used as the brain of the electric cooker, the electric cooker is intelligently controlled to heat, and other unit circuits are connected with the control unit to respectively realize corresponding functions. Referring to fig. 1, wherein Bluetooth is a Bluetooth module connection end, Temp is an electric cooker bottom temperature detection interface, overttemp is an electric cooker bottom overtemperature protection interface, DC _5V is a 5V direct current from a power supply board, P33 is connected with a PTC heating plate control unit of an electric cooker power circuit, a control signal is output to the PTC heating plate control unit, and the PTC heating plate control unit executes heating of the heating plate.
Specifically, the control unit comprises an STC15f2k60s2 single chip microcomputer, the STC15 series enhanced 8051 single chip microcomputer integrates a power-on reset circuit and a high-precision R/C oscillator, and a program can run by applying a power supply to a single chip microcomputer chip; the system integrates a large-capacity program memory, a data memory and an EEPRM, integrates high-function interface components such as A/D, PWM, SPI and the like, can greatly simplify peripheral circuits of the single chip application system, and enables the design of the single chip application system to be simpler and more convenient and the system performance to be more efficient and reliable.
As shown in fig. 2, the power supply unit provides a DC5V power supply for the control unit, and the control unit is generally a single chip integrated circuit chip and uses a 5V DC power supply to supply power. The power supply unit is connected with commercial power through a rice cooker power circuit, the rice cooker power circuit comprises a voltage stabilizing unit with a 78L05 chip, and the voltage stabilizing unit outputs DC5V power to the control unit through the power supply unit. Referring to fig. 6, since the voltage regulator unit includes the DC5V voltage regulator circuit portion, the DC5V voltage regulator circuit portion provides a constant 5V DC voltage for the control board of the electric rice cooker. DC _5V is a 5V direct current output end of the power panel and provides power for the control panel. More specifically, the voltage regulator portion of the DC5V includes a 78L05 chip, 78L05 is a fixed voltage, 5V three terminal integrated regulator, which is suitable for many applications, such as on-board regulation involving single point regulation where noise is limited and distribution problems are resolved, and its excellent internal current limiting and thermal shutdown characteristics make it particularly suitable for overload situations, and in addition, they can also be combined with other power transfer devices to form a regulated power supply for high current, and the use of 78L05 realizes stable 5V DC voltage output. On the other hand, the power supply unit includes an F1 fuse, the F1 fuse is also called a current fuse, which is defined as "fuse-link" by the IEC127 standard. It mainly plays a role of overload protection. The fuse is correctly arranged in the circuit, and the fuse can be fused to cut off the current when the current is abnormally increased to a certain height and heat, so that the safe operation of the circuit is protected. By providing the F1 fuse, short circuit protection (i.e., overcurrent protection) is achieved.
As shown in FIG. 3, the Bluetooth communication unit adopts an HC-05 Bluetooth module, and the HC-05 Bluetooth module is used as a PCBA board integrated with Bluetooth function and used for data transmission. Provided is a mobile phone. The mobile terminals such as the tablet personal computer and the like are in communication connection with the Bluetooth communication unit through the Bluetooth function of the equipment, and perform data instruction interaction with the control unit, so that wireless control of the electric cooker is realized. Compared with WiFi, the communication network of Bluetooth is more stable, communication charges do not need to be generated, and the household wireless control household appliance is more practical and convenient.
The safety protection unit is mainly a temperature detection and overtemperature protection circuit, as shown in fig. 4, where Temp is a temperature detection part and Over Temp is an overtemperature protection part, as shown in fig. 4. The safety protection unit includes a temperature sensor (not shown) and an over-temperature protection element (not shown). The temperature detection part acquires the temperature value of the electric cooker chassis through the temperature sensor, and the temperature value is uploaded to the control unit through the temperature sensor. The overtemperature protection part protects the electric cooker control circuit in real time through an overtemperature protection element, and once the temperature detection value exceeds a preset value, the overtemperature protection element disconnects the electric cooker heating control circuit so as to protect the safety of a circuit.
The state indicating unit comprises an LED lamp which is connected with the control unit through a 100R resistor and used for indicating the heating state of the electric cooker, as shown in figure 5. The method specifically comprises the status indication of heating, heat preservation, closing and the like.
Referring to fig. 6, the power circuit of the electric cooker further comprises a PTC heating plate control unit, and the control unit of the intelligent control system of the embodiment is connected with the electric cooker heating plate through the PTC heating plate control unit to perform heating control on the electric cooker heating plate. The PTC heating plate control unit comprises a triode and a relay, and the control unit conducts the control relay through the triode to further perform heating control on the electric cooker heating plate. The control unit outputs voltage to conduct the triode, the relay switch is closed, and the PTC heating plate forms a loop to enable the PCT heating element to work and start heating. The triode is not conducted, the relay switch is disconnected, the PTC heating plate does not form a loop, and the PCT heating element does not work. In addition, as shown in fig. 6, the power supply circuit specifically includes a short-circuit protection circuit portion, a voltage-limiting, overvoltage protection circuit portion, and an intelligent circuit protection portion. Wherein the short-circuit protection circuit part comprises an F1 fuse, the F1 fuse is also called a current fuse, which is defined by the IEC127 standard as "fuse-link". It mainly plays a role of overload protection. The fuse is correctly arranged in the circuit, and the fuse can be fused to cut off the current when the current is abnormally increased to a certain height and heat, so that the safe operation of the circuit is protected. By providing the F1 fuse, short circuit protection (i.e., overcurrent protection) is achieved. The voltage limiting, overvoltage protection circuit portion includes 10D471k elements. Referring to ZN1 in fig. 6, 10D471k is a voltage dependent resistor (surge absorber) because the nonlinear resistance change to voltage is also symmetrical in both directions (positive and negative), and can react to abnormal voltage on the line to absorb most of the surge/surge energy, and suppress the abnormal voltage to a safe range to improve the safety and stability of the line. The 10D471k element plays a role in voltage limiting and overvoltage protection, and mainly prevents lightning in the circuit. The intelligent circuit protection part also comprises an MD12h element, and the MD12h element is a non-isolated switch power supply chip which can provide complete intelligent protection functions, including overcurrent protection, undervoltage protection, overvoltage protection, over-temperature protection and soft start function. Note that the PTC heating panel control unit outputs a starting current to the PTC heating panel of 5A to 8A. The PCB circuit of the PTC heating plate control unit part adopts the modes of thickening copper coating, wiring windowing tin coating, so that the starting current of the PTC heating plate is increased to be within the range of 5A-8A. Compared to high temperature resistance wire heating plates, PTC heating plates require a suitable starting current. The PTC heating plate needs 5-8A of starting current, so that the starting current of the PCB circuit is increased by adopting a mode of thickening copper and wiring, windowing and tinning. The thickened copper is covered, the wiring is windowed and tin is coated to reduce the loop resistance, and further the starting current is increased.
The intelligent control system of electric rice cooker of this embodiment through the bluetooth communication unit of control unit signal connection, the cell-phone terminal that can carry out the signal interaction through bluetooth and control unit, makes things convenient for cell-phone terminal wireless control electric rice cooker. In addition, the safety protection unit detects the temperature of the electric cooker chassis in real time, and intelligent overtemperature protection is performed through the control unit after the temperature exceeds a limit value, so that the electric cooker is more intelligent to use, and the user experience is optimized.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (10)
1. The utility model provides an intelligent control system of electricity rice cooker which characterized in that includes:
the control unit is connected with the heating plate of the electric cooker and is used for heating control of the heating plate of the electric cooker;
the state indicating unit is in signal connection with the control unit and is used for displaying the working state of the electric cooker;
the Bluetooth communication unit is in signal connection with the control unit and is used for realizing wireless control of the electric cooker;
the safety protection unit is in signal connection with the control unit and is used for temperature detection and over-temperature protection of the bottom of the electric cooker;
and the power supply unit is electrically connected with the control unit and the electric cooker power circuit respectively and is used for supplying power to the control unit through the electric cooker power circuit.
2. The intelligent control system of an electric cooker as claimed in claim 1, wherein: the safety protection unit comprises a temperature sensor and an over-temperature protection element.
3. The intelligent control system of an electric cooker as claimed in claim 1, wherein: the control unit comprises an stc15f2k60s2 single chip microcomputer.
4. The intelligent control system of an electric cooker as claimed in claim 1, wherein: the Bluetooth communication unit adopts an HC-05 Bluetooth module.
5. The intelligent control system of an electric cooker as claimed in claim 1, wherein: the status indication unit includes an LED lamp.
6. The intelligent control system of an electric cooker as claimed in claim 1, wherein: the power supply unit provides a DC5V power supply for the control unit.
7. The intelligent control system of electric cooker as claimed in claim 6, wherein: the power supply unit includes an F1 fuse.
8. The intelligent control system of electric cooker as claimed in claim 6, wherein: the power supply circuit of the electric cooker is connected with a mains supply and comprises a voltage stabilizing unit with a 78L05 chip, and the voltage stabilizing unit outputs DC5V power to the control unit through the power supply unit.
9. The intelligent control system of an electric cooker as claimed in claim 8, wherein: the power circuit of the electric cooker further comprises a PTC heating plate control unit, and the control unit is connected with the electric cooker heating plate through the PTC heating plate control unit to control the heating of the electric cooker heating plate.
10. The intelligent control system of an electric cooker as claimed in claim 9, wherein: the PTC heating plate control unit comprises a triode and a relay, and the control unit conducts the control relay through the triode to further perform heating control on the electric cooker heating plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920520430.4U CN209826253U (en) | 2019-04-17 | 2019-04-17 | Intelligent control system of electric cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920520430.4U CN209826253U (en) | 2019-04-17 | 2019-04-17 | Intelligent control system of electric cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209826253U true CN209826253U (en) | 2019-12-24 |
Family
ID=68912002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920520430.4U Expired - Fee Related CN209826253U (en) | 2019-04-17 | 2019-04-17 | Intelligent control system of electric cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209826253U (en) |
-
2019
- 2019-04-17 CN CN201920520430.4U patent/CN209826253U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191224 |