CN219085297U - Intelligent control device of electric cooker and intelligent electric cooker - Google Patents
Intelligent control device of electric cooker and intelligent electric cooker Download PDFInfo
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- CN219085297U CN219085297U CN202222929534.5U CN202222929534U CN219085297U CN 219085297 U CN219085297 U CN 219085297U CN 202222929534 U CN202222929534 U CN 202222929534U CN 219085297 U CN219085297 U CN 219085297U
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Abstract
The utility model provides an intelligent control device of an electric cooker and the electric cooker, wherein the intelligent control device of the electric cooker is connected with a heat preservation branch and a heating branch of the electric cooker in parallel, and the intelligent control device of the electric cooker comprises: a touch part for acquiring a working signal; 223 single touch chip connected with the touch component for generating control signal according to the working signal; the control circuit is connected with the 223 single-touch chip and is used for being closed according to the control signal; and the input end of the power supply circuit is connected with the positive electrode and the negative electrode of the commercial power to convert alternating current commercial power into direct current to supply power for the 223 single-touch chip and the control circuit. The 223 single-touch chip is adopted to replace a singlechip, and the peripheral circuit is simple, so that the whole control device has a simple structure, can realize main functions without excessive parts, and saves cost.
Description
Technical Field
The utility model belongs to the technical field of small household appliances, and particularly relates to an intelligent control device of an electric cooker and the intelligent electric cooker.
Background
As a small household appliance with wide application, with the development of technology, taking a microcomputer type high-end electric cooker as an example, the electric cooker has more functions (such as stewing soup, cooking food, cooking porridge and the like), and in order to meet different functions, more circuit units are required to be equipped, so that the whole control circuit becomes more complex, meanwhile, the price of a adopted control chip is higher and higher, and in addition, the program of the control chip is required to be optimized, so that the control cost is not facilitated; compared with some low-cost electric rice cookers, the structure of the electric rice cooker is relatively backward, the electric rice cooker is still controlled by using a lever switch, and the mechanical structures are easy to damage. For some users who do not need complex functions or users with poor economic conditions, purchasing the high-end electric cooker is unfavorable for saving money; the low-end electric rice cooker has poor use feeling.
Disclosure of Invention
In order to overcome the technical defects, the utility model provides an intelligent control device of an electric cooker, which has simple structure and lower cost.
An intelligent control device of an electric cooker, which is connected with a heat preservation branch and a heating branch of the electric cooker in parallel, comprises:
the input end of the power supply circuit is connected with the positive electrode and the negative electrode of the mains supply and is used for converting alternating-current mains supply into direct current;
a touch part for acquiring a working signal;
223 single touch chip connected with the touch component for generating control signal according to the working signal; the power supply circuit is connected with the 223 single-touch chip through a temperature controller;
the control circuit is connected with the 223 single-touch chip and the power supply circuit and is used for being closed according to the control signal;
the power supply circuit supplies power to the 223 single-touch chip, the control circuit and the 223 single-touch chip.
As a further improvement of the present utility model, the control circuit includes:
the signal amplifying circuit is connected with the 223 single-touch chip and is used for amplifying the control signal;
one end of a coil of the relay is connected with the signal amplifying circuit, and the other end of the coil of the relay is connected with the power circuit; the utility power positive electrode, the electric cooker heating plate, the normally open contact of the relay and the utility power negative electrode are sequentially connected, and the normally open contact of the relay is closed according to the amplified control signal.
As a further improvement of the present utility model, the present utility model further includes: and the diodes are connected in parallel with the two ends of the coil of the relay.
As a further improvement of the present utility model, the power supply circuit includes:
the input end of the rectifying unit is connected with the positive electrode and the negative electrode of the mains supply;
and the input end of the voltage stabilizing unit is connected with the output end of the rectifying unit, and the output end of the voltage stabilizing unit is connected with the 223 single-touch chip and the coil of the relay.
As a further development of the utility model, the rectifying unit is a rectifier bridge.
As a further improvement of the present utility model, the signal amplification signal includes: the first resistor, the second resistor and the triode; the 223 single-touch chip is connected with the base electrode of the triode through the first resistor, the base electrode of the triode is grounded through the second resistor, the emitting electrode of the triode is grounded, and the collecting electrode of the triode is connected with the coil of the relay.
As a further improvement of the utility model, the utility model also comprises a plurality of filter circuits connected with the voltage stabilizing units.
As a further development of the utility model, the output of the rectifier bridge is also connected to ground via a zener diode.
As a further improvement of the utility model, the utility model also comprises a safety device connected between the mains supply positive electrode and the input end of the power supply circuit.
In addition, the utility model also provides an intelligent electric cooker, which comprises the intelligent control device of the electric cooker.
Compared with the prior art, the utility model has the following beneficial effects: the 223 single-touch chip is adopted to replace a microcomputer control chip, when a user touches a touch part, the pins of the 223 single-touch chip can output control signals, a control circuit is closed according to the control signals to form a loop which is conducted, so that the heating plate of the electric cooker starts to work, meanwhile, the peripheral circuit of the 223 single-touch chip is simple, the whole control device is simple in structure, main functions can be realized without excessive parts, and cost is saved.
Drawings
The utility model is described in further detail below with reference to the attached drawing figures, wherein:
fig. 1 is a schematic diagram of the overall structure of an intelligent control device of an electric rice cooker according to embodiment 1;
FIG. 2 is a schematic diagram showing connection of the control circuit, the 223 single-touch chip, and the temperature controller in embodiment 1;
FIG. 3 is a schematic diagram of a power circuit according to the present utility model;
fig. 4 is a schematic diagram of the overall structure of the intelligent control device of the electric cooker in embodiment 2;
FIG. 5 is a schematic diagram illustrating connection of the control circuit, the 223 single-touch chip, and the temperature controller in embodiment 2;
fig. 6 is a schematic diagram of the overall structure of the intelligent control device of the electric cooker in embodiment 3;
FIG. 7 is a schematic diagram showing connection of the control circuit, the 223 single-touch chip, and the temperature controller in embodiment 3;
fig. 8 is a schematic diagram of the overall structure of the intelligent control device of the electric cooker in embodiment 3;
fig. 9 is a schematic diagram showing connection of the control circuit, the 223 single-touch chip, and the temperature controller in embodiment 3.
Marking: 1. a touch part; 2. a control circuit; 21. a signal amplifying circuit; 3. a power supply circuit; 31. a rectifying unit; 32. a voltage stabilizing unit; 4. 223 single touch chip; 5. a filter circuit.
100. A temperature controller; 200. a heat preservation branch; 201. a heat preservation indicator lamp; 202. a thermal insulation board; 300. a heating branch; 301. a heating plate; 302. a rice cooking indicator light.
Detailed Description
The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Meanwhile, in the description of the present utility model, the terms "first", "second", and the like are used only to distinguish the description, and are not to be construed as indicating or implying relative importance.
Example 1
The embodiment provides an intelligent control device for an electric cooker, which is connected in series with a heating plate 301 of the electric cooker, as shown in fig. 1, and comprises: the input end of the power supply circuit 3 is connected with a mains supply positive electrode AC L and a mains supply negative electrode AC N and is used for converting alternating current mains supply into direct current; the touch component 1 is used for acquiring a working signal; 223 single touch chip 4 is connected with touch part 1 and is used for generating control signals according to the working signals; the power supply circuit 3 is connected with the 223 single-touch chip 4 through the temperature controller 100; the control circuit 2 is connected with the 223 single-touch chip 4 and the power supply circuit 3 and is used for being closed according to control signals; the power supply circuit 3 supplies power to the 223 single-touch chip 4 and the control circuits 2 and 223 single-touch chip 4.
Specifically, as shown in fig. 2, the control circuit 2 includes: a signal amplifying circuit 21 and a relay; the signal amplifying circuit 21 is connected with the 223 single-touch chip 4 and is used for amplifying the control signal; one end of a coil of the relay is connected with the signal amplifying circuit 21, and the other end of the coil of the relay is connected with the power circuit 3; the mains supply positive pole AC L, the normally open contact of the relay, the electric cooker heating plate 301 and the mains supply negative pole AC N are sequentially connected, and the normally open contact of the relay is closed according to the amplified control signal.
The heating branch 300 has the composition; the intelligent control device of the electric cooker and the heating plate 301 are connected to the two ends of the positive electrode AC L and the negative electrode AC N of the commercial power, and the cooking state display circuit is connected in parallel to the two ends of the heating plate 301 and comprises a resistor and a cooking indicator lamp which are connected in series; the heat preservation branch 200 is composed of the following components: the heat preservation state display circuits are connected to two ends of the positive electrode AC L and the negative electrode AC N of the commercial power, and the heating plate 301 and the heat preservation plate 202 are connected to two ends of the positive electrode AC L and the negative electrode AC N of the commercial power. The thermal insulation board 202 may be a resistor with a large resistance value, which can reduce the heating power of the heating plate 301 to realize a thermal insulation function.
As shown in fig. 2, the 223 single-touch chip 4 has a first pin connected to the signal amplifying circuit 21, a second pin connected to the ground, a third pin connected to the touch spring via a capacitor, a fourth pin connected to the ground, and a fifth pin and a sixth pin connected to the power supply circuit 3, and a fifth pin connected to the ground via a capacitor and a capacitor, respectively.
In addition, the intelligent control device of the electric cooker further comprises: the diodes D1 connected in parallel with the two ends of the coil of the relay play a role in protecting the coil of the relay.
As shown in fig. 3, the power supply circuit 3 includes: a rectifying unit 31, a voltage stabilizing unit 32; the input end of the rectifying unit 31 is connected with a mains positive electrode AC L and a mains negative electrode AC N; the input end of the voltage stabilizing unit 32 is connected with the output end of the rectifying unit 31, and the output end of the voltage stabilizing unit 32 is connected with the 223 single-touch chip 4 and the coil of the relay J1; the voltage stabilizing unit 32 can be implemented by a 78L05 chip.
In the above embodiment, the rectifying unit 31 is a rectifying bridge.
In the above embodiment, the signal amplification signal includes: the first resistor R1, the second resistor R2 and the triode Q1; the 223 single-touch chip 4 is connected with the base electrode of the triode Q1 through the first resistor R1, the base electrode of the triode Q1 is grounded through the second resistor R2, the emitter electrode of the triode Q1 is grounded, and the collector electrode of the triode Q1 is connected with the coil of the relay J1.
In order to further improve the power quality, the voltage stabilizing unit 32 is further connected with a plurality of filter circuits 5, the filter circuits 5 are composed of capacitors, and the voltage stabilizing unit 32 is grounded through the capacitors.
In the above embodiment, the output end of the rectifier bridge is further grounded through the zener diode D2, and a current limiting resistor R3 is further connected between the rectifier bridge and the voltage stabilizing unit 32.
In order to avoid damage to the intelligent control device of the electric cooker caused by overlarge current, the intelligent control device of the electric cooker further comprises a safety fuse which is connected to the positive electrode AC L of the mains supply and the input end of the power circuit 3, the safety fuse is disconnected in the case of large current, and a current limiting resistor R4 is also connected between the safety fuse and the rectifier bridge. Meanwhile, the commercial power anode AC L is also connected with another safety FU1 which protects the whole product from high temperature or overcurrent.
The working principle of the utility model is further explained below in connection with the specific implementation process, as follows:
the power supply circuit 3 rectifies and stabilizes 220V commercial power to obtain 5V direct current voltage, and supplies power for the 223 single-touch chip 4, the relay and the temperature controller 100. When the third pin of the 223 single-touch chip 4 obtains the working signal of the touch component 1, the first pin of the 223 single-touch chip 4 outputs a high level, and the triode is conducted through the first resistor, and as the normally closed temperature controller 100 is adopted, the coil of the relay is electrified and attracted, the normally open contact is closed, the heating plate 301 works, and the rice cooking mode is started; namely, the conduction sequence of the circuit is as follows: the mains supply anode AC L, the normally open contact of the relay, the heating plate 301 and the mains supply cathode AC N are connected with a rice cooking state display circuit connected with the heating plate 301 in parallel, and a rice cooking indicator lamp is lighted. After the rice cooking is finished, the temperature controller 100 is disconnected, the coil of the relay is deenergized, the normally open and closed point is restored to the normally open state, the electric rice cooker enters the heat preservation state, and at the moment, the conduction sequence of the circuit is as follows: the utility power anode AC L, the heat insulation board 202, the heating plate 301 and the utility power cathode AC N are connected with the heat insulation state display circuit connected with the heat insulation board 202 in parallel, and the heat insulation indicator lamp 201 is lighted.
If the rice cooking needs to be suspended, when the third pin of the touch component 1, 223 single-touch chip 4 is pressed to acquire the working signal of the touch component 1, the first pin of the 223 single-touch chip 4 outputs a low level, the triode is cut off through the first resistor, the coil of the relay is powered off, the normally open contact of the relay is restored to a normally open state, and the electric cooker enters a heat preservation state.
Example 2
The present embodiment provides another intelligent control device for an electric cooker, as shown in fig. 4 and 5, which is different from embodiment 1 in that the position of the temperature controller is different from embodiment 1, in this embodiment, the temperature controller 100 is connected between the 223 single-touch chip 4 and the first resistor R1, and the implementation principle of this embodiment is the same as that of embodiment 1, and will not be repeated here.
Example 3
The difference between the intelligent control device of the present embodiment and embodiment 1 is that the position of the temperature controller is different from that of embodiment 1, in this embodiment, the temperature controller 100 is connected between the coil of the relay J1 and the positive output end of the power circuit, and the implementation principle of this embodiment is the same as that of embodiment 1, and will not be described again.
Example 4
The difference between the intelligent control device of the present embodiment and embodiment 1 is that the position of the temperature controller is different from that of embodiment 1, in this embodiment, the temperature controller 100 is connected between the coil of the relay J1 and the collector of the triode Q, and the implementation principle of this embodiment is the same as that of embodiment 1, and will not be described again.
Example 5
The embodiment provides an intelligent electric cooker, which comprises the intelligent control device of the electric cooker, and the specific implementation process of the intelligent electric cooker is referred to above, and is not repeated here.
In summary, the intelligent control device for the electric cooker and the intelligent electric cooker adopt the 223 single-touch chip to replace the microcomputer control chip, when a user touches the touch component, the pin of the 223 single-touch chip can output a control signal, the control circuit is closed according to the control signal to form a loop which is conducted, so that the heating plate of the electric cooker starts to work, and meanwhile, the peripheral circuit of the 223 single-touch chip is simple, so that the whole control device has a simple structure, can realize main functions without excessive parts, and saves cost. Meanwhile, after cooking, the temperature controller is automatically disconnected, and then the power supply of the 223 single-touch chip is disconnected, so that the heat preservation function is realized, and compared with the existing lever switch type electric rice cooker, the electric rice cooker has better use feeling, reduces the use of a mechanical structure, can also reduce the cost, and is not easy to damage a switch.
The foregoing description of the preferred embodiments of the present application is not intended to be limiting, but rather is intended to cover any and all modifications, equivalents, alternatives, and improvements within the spirit and principles of the present application.
Claims (10)
1. An intelligent control device of an electric cooker is characterized in that the intelligent control device of the electric cooker is connected with a heating plate of the electric cooker in series, and the intelligent control device of the electric cooker comprises: a power supply circuit, a touch part, a 223 single-touch chip and a control circuit;
the input end of the power supply circuit is connected with the positive electrode and the negative electrode of the mains supply and is used for converting alternating current mains supply into direct current, the positive input end of the power supply circuit outputs positive direct current, and the negative output end of the power supply circuit outputs negative direct current;
the touch component is connected with the 223 single-touch chip, and a loop is formed by the positive electrode output end of the power supply circuit, the control circuit and the 223 single-touch chip, the temperature controller and the negative electrode output end of the power supply circuit;
the touch component is used for acquiring a working signal, the 223 single-touch chip generates a control signal according to the working signal, and the control circuit is closed according to the control signal so as to conduct the loop.
2. The intelligent control device of an electric rice cooker according to claim 1, wherein the positive output terminal of the power supply circuit, the temperature controller, the 223 single-touch chip, the control circuit, and the negative output terminal of the power supply circuit are sequentially connected to form the loop.
3. The intelligent control device of an electric rice cooker according to claim 2, wherein the control circuit comprises:
the signal amplifying circuit is connected with the 223 single-touch chip and is used for amplifying the control signal;
one end of a coil of the relay is connected with the signal amplifying circuit, and the other end of the coil of the relay is connected with the power circuit; the mains supply positive electrode, the normally open contact of the relay, the heating disc of the electric cooker and the mains supply negative electrode are sequentially connected, and the normally open contact of the relay is closed according to the amplified control signal.
4. The intelligent control device for an electric rice cooker according to claim 3, wherein the signal amplifying circuit comprises: the first resistor, the second resistor and the triode; the 223 single-touch chip is connected with the base electrode of the triode through the first resistor, the base electrode of the triode is grounded through the second resistor, the emitting electrode of the triode is grounded, and the collecting electrode of the triode is connected with the coil of the relay.
5. The intelligent control device of an electric rice cooker according to claim 1, wherein a positive input end of the power supply circuit, the 223 single-touch chip, the control circuit, and a negative output end of the power supply circuit are sequentially connected to form the loop, and the temperature controller is connected between the 223 single-touch chip and the control circuit; or the temperature controller is connected in series with the control circuit.
6. The intelligent control device for an electric rice cooker according to claim 5, wherein the control circuit comprises:
the signal amplifying circuit is connected with the 223 single-touch chip and is used for amplifying the control signal;
one end of a coil of the relay is connected with the signal amplifying circuit, and the other end of the coil of the relay is connected with the power circuit; the mains supply positive electrode, the normally open contact of the relay, the heating disc of the electric cooker and the mains supply negative electrode are sequentially connected, and the normally open contact of the relay is closed according to the amplified control signal;
the temperature controller is connected between the signal amplifying circuit and the 223 single-touch chip, or connected with the coil of the relay in series.
7. The intelligent control device for an electric rice cooker according to claim 6, wherein the signal amplifying circuit comprises: the first resistor, the second resistor and the triode; the 223 single-touch chip is connected with the base electrode of the triode through the first resistor, the base electrode of the triode is grounded through the second resistor, the emitting electrode of the triode is grounded, and the collecting electrode of the triode is connected with the coil of the relay;
the temperature controller is connected between the 223 single-touch chip and the first resistor, or the temperature controller is connected between the collector electrode of the triode and the coil of the relay, or the temperature controller is connected to the positive electrode input end of the power circuit.
8. The intelligent control device for an electric rice cooker according to claim 3 or 6, further comprising: and the diodes are connected in parallel with the two ends of the coil of the relay.
9. The intelligent control device of an electric cooker according to claim 1, further comprising a safety device connected between the mains positive electrode and the input end of the power supply circuit.
10. An intelligent electric cooker, characterized by comprising the intelligent control device of the electric cooker according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222929534.5U CN219085297U (en) | 2022-11-03 | 2022-11-03 | Intelligent control device of electric cooker and intelligent electric cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222929534.5U CN219085297U (en) | 2022-11-03 | 2022-11-03 | Intelligent control device of electric cooker and intelligent electric cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219085297U true CN219085297U (en) | 2023-05-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222929534.5U Active CN219085297U (en) | 2022-11-03 | 2022-11-03 | Intelligent control device of electric cooker and intelligent electric cooker |
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| Country | Link |
|---|---|
| CN (1) | CN219085297U (en) |
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2022
- 2022-11-03 CN CN202222929534.5U patent/CN219085297U/en active Active
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