CN210601747U - Intelligent electric control system of gas stove - Google Patents
Intelligent electric control system of gas stove Download PDFInfo
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- CN210601747U CN210601747U CN201921673946.9U CN201921673946U CN210601747U CN 210601747 U CN210601747 U CN 210601747U CN 201921673946 U CN201921673946 U CN 201921673946U CN 210601747 U CN210601747 U CN 210601747U
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Abstract
The utility model discloses an intelligent electric control system of a gas stove, which comprises a singlechip control unit, wherein the singlechip control unit is connected with an electric control function module arranged in a gas stove shell; the electric control function module comprises a power module, a pulse component module, a temperature detection circuit, a touch screen timing setting and display module, a WiFi module, a thermocouple detection circuit and a buzzer alarm circuit. The intelligent electric control system of the gas stove detects the temperature of the gas stove panel through the temperature detection circuit, when the temperature of the gas stove panel rises to exceed a set value within a specific time, the flame combustion abnormity of the gas stove is judged, and the system can send an alarm to remind a user to shut off fire in time; the thermocouple detection circuit detects the combustion state of the gas stove, and when accidental flameout is detected, the system can give an alarm and close the electromagnetic valve, so that safety accidents are avoided; and the user can also carry out timing and shutdown control and remote query on the state of the gas stove through the user terminal.
Description
Technical Field
The utility model relates to a gas-cooker technical field specifically is an intelligent electrical system who relates to gas-cooker.
Background
A gas range is one of the most common kitchen appliances in life, and is used for heating a cooker. Gas cookers on the market today are generally equipped with an electronic ignition device and a flame-out protection device. When the gas stove is flamed out accidentally, the gas can be automatically cut off, so that gas leakage is avoided, accidents are avoided, and a buzzer is used for alarming to remind a user. In addition, some gas stoves with timing function are available in the market, users can set the working time of the gas stoves, and the gas stoves can automatically cut off gas and stop working after the accumulated working time reaches the set time, so that the users can set the working time as required and then do other things without keeping the gas stoves. However, the gas stove with timing function also has some disadvantages, which are specifically shown as follows: (1) the gas stove is accidentally flameout, but a user cannot know that the cooking purpose cannot be completed within the preset time; (2) if in the timing working mode, the fire distributor breaks down, so that flame is not led out according to the designed path but burns towards other directions, and the flame may burn to the gas stove panel. Therefore, it is necessary to perform intelligent upgrade on the gas stove, so that the gas stove is safer and more convenient to use.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an intelligent electrical system of gas-cooker, this system detects the gas-cooker panel temperature near the distributor through the temperature detection circuit, when the temperature of gas-cooker panel rises and exceeds the setting value in specific time, the system can send out the police dispatch newspaper and remind the user to check the trouble, and after the temperature of gas-cooker panel reached the peak value of settlement, the system can be automatic to cut off gas, and the security is good; and the user can also control the timing and shutdown of the gas stove and remotely inquire the state of the gas stove through a control terminal such as a mobile phone, so that the function is expanded and the safety is further improved.
The technical scheme of the utility model: the intelligent electric control system of the gas stove comprises a singlechip control unit arranged in a gas stove shell, and the singlechip control unit is connected with an electric control function module arranged in the gas stove shell; the electric control function module comprises: the temperature detection circuit is used for detecting the temperature of the gas stove panel near the distributor in real time and transmitting a detection result to the single chip microcomputer control unit; the touch screen timing setting and displaying module is used for displaying timing time and setting the timing time through a touch key; the gas stove comprises a pulse assembly module, a gas-liquid separation module and a gas-liquid separation module, wherein the pulse assembly module comprises an electromagnetic valve control circuit and an ignition circuit, the electromagnetic valve control circuit is used for controlling the on-off of gas by controlling the on-off of an electromagnetic valve, and the ignition circuit is used for automatically igniting the gas stove; the thermocouple detection circuit is used for detecting the ambient temperature near the distributor in real time and transmitting a detection result to the single chip microcomputer control unit; the WiFi module is connected with the user terminal through the APP mode and used for information interaction; a buzzer alarm circuit for providing a sound alarm or prompt to a user; and the power supply module supplies power to the system, and the input of the power supply module is 220V commercial power.
Compared with the prior art, the utility model discloses a gas-cooker intelligence electrical system adopts specific circuit structure, has following advantage: (1) detecting the temperature of a gas stove panel: when the temperature of the gas stove panel rises to exceed a set value within a specific time, judging that the flame of the gas stove is abnormal, giving an alarm by a system to remind a user to check and eliminate faults in time, and controlling the electromagnetic valve to be closed by the singlechip to stop gas supply when the temperature of the gas stove panel exceeds a set peak value, so that the safety performance is improved; (2) WiFi control: after the gas stove is networked and successfully ignited, the user terminal can directly remotely inquire the combustion state of the gas stove through an APP mode, and timely returns to a kitchen to eliminate faults when unexpected flameout occurs or the temperature of a gas stove panel is abnormal; in addition, the user can also carry out timing control and shutdown control on the gas stove through the user terminal, and the electromagnetic valve can be directly closed through a mobile phone in an emergency, so that accidents are avoided; (3) the electric control system uses 220V power supply instead of conventional dry battery power supply, so that the condition that ignition cannot be realized due to insufficient electric quantity of the dry battery is avoided.
Preferably, the electromagnetic valve of the electromagnetic valve control circuit is a double-coil electromagnetic valve. The double-coil electromagnetic valve is controlled by double coils, one coil is used for opening, the other coil is used for closing, the required working state can be ensured only by one pulse signal of the corresponding coil and instantaneous energization, the working efficiency is high, the energy consumption is low, the flow is sufficient, and the service life is long.
Preferably, the power supply chip of the power supply module is a VIPER22A power supply chip. The VIPER22A power supply chip provides protection functions of over-temperature, over-current, over-voltage, under-voltage and the like, has large output power and wide power supply range, and ensures the reliability of the system. In this case, the power supply has high efficiency, the circuit is simple, the number of used elements is small, and the cost is low.
Preferably, the temperature sensor of the temperature detection circuit is a thermistor. In this case, not only the sensitivity is high, but also the cost can be favorably controlled.
As optimization, the gas stove is of a double-stove structure, and the thermistor is arranged between the two fire distributors and is equal to the two fire distributors in distance; the thermistor is fixed at the bottom of the gas stove panel through heat conducting glue. At this moment, one set of temperature-detecting circuit of double-kitchen sharing is favorable to control cost.
Preferably, the power supply module comprises a switching power supply circuit and a voltage stabilizing circuit, and the voltage stabilizing circuit comprises a three-terminal integrated voltage stabilizing circuit and a DC-DC buck voltage stabilizing circuit. The two voltage stabilizing circuits have the advantages of simple peripheral circuit design, convenient use and few peripheral elements, and the two voltage stabilizing circuits have better effect on stabilizing voltage, higher reliability and stronger practicability.
As optimization, the single chip microcomputer is R7F0C series. The series of single-chip microcomputers have excellent control function and good data transmission function, and meanwhile, the functions of selectable power-on reset, watchdog timer and the like are built in the single-chip microcomputers, so that the system is beneficial to realizing more compact size and lower power consumption, and the construction cost of the whole system is lower.
Drawings
Fig. 1 is a block diagram of the present invention;
fig. 2 is a schematic circuit diagram of the single chip microcomputer of the present invention;
fig. 3 is a circuit diagram of a switching power supply according to the present invention;
FIG. 4 is a diagram of a three-terminal integrated voltage regulator circuit according to the present invention;
FIG. 5 is a diagram of the DC-DC voltage-reducing voltage regulator circuit of the present invention;
fig. 6 is a circuit diagram of the solenoid valve control of the present invention;
fig. 7 is an ignition circuit diagram in the present invention;
fig. 8 is a diagram of a thermocouple detection circuit according to the present invention;
fig. 9 is a circuit diagram of the temperature detection of the present invention;
fig. 10 is a circuit diagram of a WiFi module in the present invention.
Detailed Description
The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.
Referring to fig. 1 to 10, the intelligent electric control system for a gas stove of the present invention comprises a single chip microcomputer control unit disposed in a gas stove housing, wherein the single chip microcomputer control unit is connected with an electric control function module disposed in the gas stove housing; the electric control function module comprises: the temperature detection circuit is used for detecting the temperature of the gas stove panel near the distributor in real time and transmitting a detection result to the single chip microcomputer control unit; the touch screen timing setting and displaying module is used for displaying timing time and setting the timing time through a touch key; the gas stove comprises a pulse assembly module, a gas-liquid separation module and a gas-liquid separation module, wherein the pulse assembly module comprises an electromagnetic valve control circuit and an ignition circuit, the electromagnetic valve control circuit is used for controlling the on-off of gas by controlling the on-off of an electromagnetic valve, and the ignition circuit is used for automatically igniting the gas stove; the thermocouple detection circuit is used for detecting the ambient temperature near the distributor in real time and transmitting a detection result to the single chip microcomputer control unit; the WiFi module is connected with the user terminal through the APP mode and used for information interaction; a buzzer alarm circuit for providing a sound alarm or prompt to a user; and the power supply module supplies power to the system, and the input of the power supply module is 220V commercial power. The user terminal may be a user's smart phone, tablet computer or wearable smart communicator.
The electromagnetic valve of the electromagnetic valve control circuit is a double-coil electromagnetic valve. The double-coil electromagnetic valve is controlled by double coils, one coil is used for opening, the other coil is used for closing, the required working state can be ensured only by one pulse signal of the corresponding coil and instantaneous energization, the working efficiency is high, the energy consumption is low, the flow is sufficient, and the service life is long.
The power supply chip of the power supply module is a VIPER22A power supply chip. The VIPER22A power supply chip provides protection functions of over-temperature, over-current, over-voltage, under-voltage and the like, has large output power and wide power supply range, and ensures the reliability of the system. In this case, the power supply has high efficiency, the circuit is simple, the number of used elements is small, and the cost is low.
The temperature sensor of the temperature detection circuit is a thermistor. In this case, not only the sensitivity is high, but also the cost can be favorably controlled.
The gas stove is of a double-stove structure, and the thermistor is arranged between the two fire distributors and is equal to the two fire distributors in distance; the thermistor is fixed at the bottom of the gas stove panel through heat conducting glue. At this moment, one set of temperature-detecting circuit of double-kitchen sharing is favorable to control cost.
The power supply module comprises a switching power supply circuit and a voltage stabilizing circuit, wherein the voltage stabilizing circuit comprises a three-terminal integrated voltage stabilizing circuit and a DC-DC voltage reduction type voltage stabilizing circuit. The two voltage stabilizing circuits have the advantages of simple peripheral circuit design, convenient use and few peripheral elements, and the two voltage stabilizing circuits have better effect on stabilizing voltage, higher reliability and stronger practicability.
The type of the single chip microcomputer is R7F0C series. The series of single-chip microcomputers have excellent control function and good data transmission function, and meanwhile, the functions of selectable power-on reset, watchdog timer and the like are built in the single-chip microcomputers, so that the system is beneficial to realizing more compact size and lower power consumption, and the construction cost of the whole system is lower.
The utility model discloses above-mentioned concrete embodiment's theory of operation:
the temperature detection circuit detects the temperature of the gas stove panel near the distributor in real time and transmits the detection result to the singlechip control unit; when the temperature of the gas stove panel rises to exceed a set value within a specific time, judging that the flame of the gas stove is abnormally combusted, and sending an alarm by a buzzer alarm circuit; when the temperature of the gas stove panel rises to exceed a set peak value, the single-chip microcomputer control unit controls the electromagnetic valve control circuit to close the electromagnetic valve.
The thermocouple detection circuit detects the ambient temperature near the distributor in real time, converts the temperature signal into a voltage signal, and the voltage signal is amplified by the amplifier circuit and then output to the singlechip control unit.
And (3) ignition: under normal conditions, after the key is pressed for 1.5 seconds, the electromagnetic valve supplies power, the valve is opened, the gas stove starts to circularly ignite for 3 times, and the gas stove stops igniting for 2 seconds every time when being ignited for 5 seconds. After the singlechip control unit detects that the amplification voltage of the thermocouple is greater than 0.4v and lasts for 3 seconds, the ignition is judged to be successful, the next ignition is not carried out after the ignition is successful, the power is continuously supplied to the valve, and the gas stove operates normally; after finishing 3 times of ignition, when the thermocouple detection circuit does not detect the flame temperature, the buzzer sounds for 1s to prompt that the ignition is unsuccessful, and the valve stops supplying power.
Gas alarm: after the gas stove is ignited, if the singlechip control unit detects that the amplification voltage of the thermocouple is less than 0.2v and lasts for 5 seconds, the flameout is judged, the buzzer sounds for 1s to prompt the valve to be closed, and the singlechip control unit controls the electromagnetic valve control circuit to close the electromagnetic valve; when the gas stove is closed, if the gas stove cannot be completely closed under the condition that gas leakage exists in both the mechanical valve and the electric valve, circular alarm reminding can be performed.
User terminal control: the method comprises the steps of carrying out networking operation on a gas stove, connecting a user terminal into the same WiFi signal network, downloading an APP, opening a page, selecting 'adding new equipment', inputting WiFi names and passwords, pressing detection keys, and detecting the mobile phone interface display new equipment behind the equipment.
(1) And (4) shutdown control, wherein after the WiFi distribution network is successfully distributed and the gas stove is successfully ignited, the user terminal can perform shutdown control on the gas stove, and the electric control system controls the electromagnetic valve control circuit to close the electromagnetic valve after receiving an instruction.
(2) And setting timing time, wherein after the WiFi distribution network is successfully distributed and the gas stove is successfully ignited, the user terminal can control the system to perform timing control for 1-99 minutes. The user repeatedly sends the instruction twice, the electric control system receives the first instruction and then the buzzer sounds for two times, and the electric control system receives the second instruction and then the buzzer sounds for three times; the system judges the timing time, when the timing time is up, the buzzer sounds for 1s to prompt that the timing time is up, and the system controls the electromagnetic valve to be closed.
(3) Monitoring a combustion state, wherein a user remotely inquires the combustion state of the gas stove through an APP; reporting the combustion state to a state 4 (detection state) within 30 seconds of non-combustion and combustion of the gas stove; after burning for 30 seconds, an electric control system starts to detect the thermocouple amplified voltage, the voltage is more than 1.5v and lasts for 1 minute, and a state 0 (optimal) is reported; greater than 0.75v less than 1.5v for 1 minute, state 1 (good); less than 0.75v for 1 minute, state 2 (poor) is reported.
The above general description of the invention and the description of its specific embodiments in this application should not be construed as limiting the scope of the invention. Those skilled in the art can add, reduce or combine the technical features disclosed in the general description and/or the specific embodiments (including the examples) to form other technical solutions within the scope of the present application according to the disclosure of the present application without departing from the components of the present invention.
Claims (7)
1. The intelligent electric control system of the gas stove comprises a singlechip control unit arranged in a gas stove shell, and the singlechip control unit is connected with an electric control function module arranged in the gas stove shell; it is characterized in that the electric control function module comprises:
the temperature detection circuit is used for detecting the temperature of the gas stove panel near the distributor in real time and transmitting a detection result to the single chip microcomputer control unit;
the touch screen timing setting and displaying module is used for displaying timing time and setting the timing time through a touch key;
the gas stove comprises a pulse assembly module, a gas-liquid separation module and a gas-liquid separation module, wherein the pulse assembly module comprises an electromagnetic valve control circuit and an ignition circuit, the electromagnetic valve control circuit is used for controlling the on-off of gas by controlling the on-off of an electromagnetic valve, and the ignition circuit is used for automatically igniting the gas stove;
the thermocouple detection circuit is used for detecting the ambient temperature near the distributor in real time and transmitting a detection result to the single chip microcomputer control unit;
the WiFi module is connected with the user terminal through the APP mode and used for information interaction;
a buzzer alarm circuit for providing a sound alarm or prompt to a user;
and the power supply module supplies power to the system, and the input of the power supply module is 220V commercial power.
2. The intelligent electric control system for the gas stove according to claim 1, wherein: the electromagnetic valve of the electromagnetic valve control circuit is a double-coil electromagnetic valve.
3. The intelligent electric control system for the gas stove according to claim 1, wherein: the power supply chip of the power supply module is a VIPER22A power supply chip.
4. The intelligent electric control system for the gas stove according to claim 1, wherein: the temperature sensor of the temperature detection circuit is a thermistor.
5. The intelligent electric control system for gas cookers as claimed in claim 4, wherein: the gas stove is of a double-stove structure, and the thermistor is arranged between the two fire distributors and is equal to the two fire distributors in distance; the thermistor is fixed at the bottom of the gas stove panel through heat conducting glue.
6. The intelligent electric control system for the gas stove according to claim 1, wherein: the power supply module comprises a switching power supply circuit and a voltage stabilizing circuit, wherein the voltage stabilizing circuit comprises a three-terminal integrated voltage stabilizing circuit and a DC-DC voltage reduction type voltage stabilizing circuit.
7. The intelligent electric control system for the gas stove according to claim 1, wherein: the single chip microcomputer model of the single chip microcomputer control unit is R7F0C series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921673946.9U CN210601747U (en) | 2019-10-09 | 2019-10-09 | Intelligent electric control system of gas stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921673946.9U CN210601747U (en) | 2019-10-09 | 2019-10-09 | Intelligent electric control system of gas stove |
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| CN210601747U true CN210601747U (en) | 2020-05-22 |
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| CN201921673946.9U Active CN210601747U (en) | 2019-10-09 | 2019-10-09 | Intelligent electric control system of gas stove |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113110125A (en) * | 2021-03-15 | 2021-07-13 | 三门康创电子科技有限公司 | Fruit and vegetable machine control circuit, fruit and vegetable machine and fruit and vegetable machine control method |
| CN113885363A (en) * | 2021-10-25 | 2022-01-04 | 海信(广东)厨卫系统股份有限公司 | Menu generation method, cooking method and gas stove |
-
2019
- 2019-10-09 CN CN201921673946.9U patent/CN210601747U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113110125A (en) * | 2021-03-15 | 2021-07-13 | 三门康创电子科技有限公司 | Fruit and vegetable machine control circuit, fruit and vegetable machine and fruit and vegetable machine control method |
| CN113110125B (en) * | 2021-03-15 | 2022-04-01 | 三门康创电子科技有限公司 | Fruit and vegetable machine control circuit, fruit and vegetable machine and fruit and vegetable machine control method |
| CN113885363A (en) * | 2021-10-25 | 2022-01-04 | 海信(广东)厨卫系统股份有限公司 | Menu generation method, cooking method and gas stove |
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