CN208058929U - Based on monolithic processor controlled gas cooker safety guard - Google Patents
Based on monolithic processor controlled gas cooker safety guard Download PDFInfo
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- CN208058929U CN208058929U CN201820152243.0U CN201820152243U CN208058929U CN 208058929 U CN208058929 U CN 208058929U CN 201820152243 U CN201820152243 U CN 201820152243U CN 208058929 U CN208058929 U CN 208058929U
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Abstract
The utility model discloses one kind being based on monolithic processor controlled gas cooker safety guard,Include the proportioning valve KT of two coils, four terminals,Pulse igniter TQ1,Buzzer B1,Accumulator E,Put out a fire probe U3,One end is connect with accumulator E cathode and the power switch SB1 of other end ground connection,Input the regulator circuit being connect with accumulator E anodes,With the microcontroller of 8 51 series of regulator circuit output connection,The buzzer drive circuit being connect with microcontroller,Fire amount key circuit,Starting ignition circuit,Crystal oscillating circuit,Temperature collection circuit,Fire extinguishing Acquisition Circuit,Ignition control circuit and fiery amount control circuit,The buzzer B1,Pulse igniter TQ1,Proportioning valve KT,Fire amount key circuit,Put out a fire probe U3,Starting ignition circuit and temperature collection circuit are exported with the regulator circuit respectively to be connected.The utility model has many advantages, such as that simple in structure, safe and reliable, intensity of a fire degree of regulation is high, service life is long.
Description
Technical field
The utility model is related to gas cooker technical fields, are based especially on monolithic processor controlled gas cooker safeguard protection
Device.
Background technology
Gas cooker refers to that the kitchen utensils of straight fire heating are carried out using fuel gas as fuel, according to the type of fuel gas
Gas cooker is divided into liquefied gas cooker, gas stove and natural gas range, according to the stove eye quantity of gas-cooker can be divided into again single stove,
Double stoves and multi-hole kitchen range are widely used since fuel gas is cheap, economical and practical in places such as family, restaurants.Gas-cooker
At work, fuel gas enters from air inlet pipe in stove, enters in burner by the adjusting of gas valve, while mixing a part of sky
Gas, these mixed gas spray igniter simultaneously from the fire hole of distributor and light to form flame, these flames are used to add
Heat is placed in the cooker on pan bracket.Traditional inlaid gas range includes that burner (burner, interior outer fire cover etc.), valve body (contain
Nozzle, air door plate, volute spring, solenoid valve), panel, grate, knob, drip pan, stove foot, bottom case, air inlet pipe, connecting tube, arteries and veins
Rush igniter and thermocouple.The sparking mode of gas cooker is broadly divided into two kinds of electronic ignition and pulse firing.
Currently, most of gas-cookers are by the way of pulse firing, by the way that the voltage of accumulator is mentioned volts up to ten thousand, in point
Spark is formed between fiery needle, which is lighted, since the voltage above carried when igniting is higher so that supply voltage is unstable
Fixed, running equipment is impacted, and safety protection function when starting ignition is cannot achieve.In addition, traditional gas cooker uses
The flame size regulative mode of knob can not precisely adjust the duration and degree of heating of gas-cooker.
Utility model content
The purpose of this utility model is to provide one kind being based on monolithic processor controlled gas cooker safety guard, mainly
Solve the safety protection function existing in the prior art when cannot achieve starting ignition and the precisely duration and degree of heating of adjustment gas-cooker
Problem.
To achieve the goals above, the technical solution adopted in the utility model is as follows：
Based on monolithic processor controlled gas cooker safety guard, include the proportioning valve KT of two coils, four terminals, arteries and veins
Rush igniter TQ1, buzzer B1, accumulator E, fire extinguishing probe U3, which is characterized in that further include that one end connects with accumulator E cathode
It connects and the power switch SB1 of other end ground connection, the regulator circuit that input is connect with accumulator E anodes is exported with regulator circuit
The microcontroller of 8 51 series of connection, the buzzer drive circuit being connect with microcontroller, fire amount key circuit, starting ignition
Circuit, crystal oscillating circuit, temperature collection circuit, fire extinguishing Acquisition Circuit, ignition control circuit and fiery amount control circuit, the buzzer
B1, pulse igniter TQ1, proportioning valve KT, fire amount key circuit, fire extinguishing probe U3, starting ignition circuit and temperature collection circuit
It exports and connects with the regulator circuit respectively.
Reliably, the regulator circuit includes that input terminal Vin is connect and ground terminal GND is grounded with accumulator E anodes
Voltage voltage stabilizing chip U1, the charging capacitor C3 being connected between voltage voltage stabilizing chip U1 input terminals Vin and ground terminal GND and charging
Capacitance C4, and the charging capacitor C5 being connected between voltage voltage stabilizing chip U1 output end vos ut and ground terminal GND and the electricity that charges
Hold C6.
Further, the buzzer drive circuit includes the current-limiting resistance that one end is connect with serial port of single chip computer P1.1
Three poles that R9 and base stage are connect with the other end of current-limiting resistance R9, emitter is grounded and collector is connect with buzzer B1
Pipe Q4.
Preferably, the fire amount key circuit includes the increase that one end is connect with voltage voltage stabilizing chip U1 output end vos ut
Button S2, reduce button S3 and close button S4, one end is connect with the other end of increase button S2 and the other end and microcontroller
Serial port P1.5 connections current-limiting resistance R2, one end is connect with the other end for reducing button S3 and the other end and microcontroller
The current-limiting resistance R3 of serial port P1.6 connections and one end are connect with the other end for closing button S4 and the other end and microcontroller
Serial port P1.7 connections current-limiting resistance R4；The starting ignition circuit includes one end and voltage voltage stabilizing chip U1 output ends
The start button S1 of Vout connections and one end are connect with the other end of start button S1 and the outside of the other end and microcontroller
The current-limiting resistance R1 of middle fracture P3.2 connections.
Preferably, the temperature collection circuit includes that output end DQ is connect with serial port of single chip computer P0.1, earth point GND connects
The digital temperature sensor U2 that ground and power end VDD are connect with voltage voltage stabilizing chip U1 output end vos ut, and be connected to
Pull-up resistor R6 between the output end DQ and power end VDD of digital temperature sensor U2.
Further, the ignition control circuit includes the current-limiting resistance of the serial port P2.7 connections of one end and microcontroller
R5 and grid are connect with the other end of current-limiting resistance R5, source electrode is grounded and the field effect being connect with pulse igniter TQ1 that drains
It should pipe Q1.
Dexterously, the fiery amount control circuit includes the field-effect tube that drain electrode is connect with proportioning valve KT and source electrode is grounded
Q2 and field-effect tube Q3, one end is connect with the grid of field-effect tube Q2 and the serial port P2.3 connections of the other end and microcontroller
Current-limiting resistance R7 and one end are connect with the grid of field-effect tube Q3 and the serial port P2.2 connections of the other end and microcontroller
Current-limiting resistance R8.
Further, the fire extinguishing Acquisition Circuit include base stage connect with the fire extinguishing probe U3, collector and voltage
The triode Q5 of voltage stabilizing chip U1 output end vos ut connections and one end connect with the emitter of triode Q5 and the other end with
The current-limiting resistance R10 of the external interrupt mouth P3.3 connections of microcontroller.
Further, the crystal oscillating circuit includes being connected to the reversed oscillation amplification input of microcontroller XTAL1 and reversely to shake
Swing the charging capacitor C1 and fill that crystal oscillator Y1 and one end between exporting XTAL2 are connect with crystal oscillator Y1 respectively and the other end is grounded
Capacitance C2；One end of the charging capacitor C1 connect with reversed oscillation output XTAL2, and one end of charging capacitor C2 with instead
Amplify input XTAL1 connections to oscillation.
Compared with prior art, the utility model has the advantages that：
(1) field-effect tube driving pulse igniter is cleverly arranged in the utility model, since field-effect tube has action fast
Speed, noise are small, low in energy consumption, dynamic range is big, without second breakdown, the advantages that thermal stability is good, safety operation area field width, Ji Nengman
The voltage request pulled up when sufficient pulse igniter igniting avoids voltge surge from damaging other equipment, meanwhile, the power of circuit itself
It is lost relatively low.In addition, driving proportioning valve to be swift in motion by field-effect tube, intensity of a fire adjusting is carried out by microcontroller, makes gas-cooker
Intensity of a fire degree of regulation higher.
(2) the utility model by be arranged power supply regulator circuit, make microcontroller, buzzer, digital temperature sensor,
Pulse igniter and proportioning valve supply voltage are more stable, effectively solve microcontroller, digital temperature caused by mains ripple
The parts damages such as sensor improve the service life of the device in turn.Moreover, it is carried out by digital temperature sensor
Temperature when detection burning makes gas-cooker be in actual time safety supervision.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Specific implementation mode
The utility model is described in further detail with reference to the accompanying drawings and examples, and the embodiment of the utility model includes
But it is not limited to the following example.
Embodiment
As shown in Figure 1, present embodiments providing one kind being based on monolithic processor controlled gas cooker safety guard, for combustion
Igniting, the operation of gas kitchen provide security control, meanwhile, gas-cooker intensity of a fire control accuracy is improved, the service life of gas-cooker is extended.
The device includes the microcontroller of 80C51 series, the buzzer drive circuit being connect with microcontroller, regulator circuit, fire amount button
Circuit, starting ignition circuit, crystal oscillating circuit, temperature collection circuit, fire extinguishing Acquisition Circuit, ignition control circuit and fire amount control electricity
Road, the buzzer B1 that one end is connect with the buzzer drive circuit and the other end is connect with regulator circuit, respectively with igniting
The pulse igniter TQ1 that control circuit is connected with regulator circuit, the accumulator that anode is connect with regulator circuit, one end and accumulator
E cathode connect and the power switch SB1 of other end ground connection, and the fire extinguishing fire extinguishing probe U3 that connect of Acquisition Circuit, and with fire
The proportioning valve KT of two coils, four terminals of amount control circuit connection.The crystal oscillating circuit includes being connected to the reversed of microcontroller to shake
Crystal oscillator Y1 and one end between amplification input XTAL1 and reversed oscillation output XTAL2 is swung to connect with crystal oscillator Y1 respectively and another
Hold the charging capacitor C1 and charging capacitor C2 of ground connection；One end of the charging capacitor C1 is connect with reversed oscillation output XTAL2, and
And one end of charging capacitor C2 is connect with reversed oscillation amplification input XTAL1.
It is reliable in order to ensure to power, prevent gas combustion range ignition transient voltage pull-up from causing other equipment electricity shortage, it is described
Regulator circuit includes the voltage voltage stabilizing chip U1 that input terminal Vin is connect with accumulator E anodes and ground terminal GND is grounded, connection
Charging capacitor C3 between voltage voltage stabilizing chip U1 input terminals Vin and ground terminal GND and charging capacitor C4, and it is connected to electricity
Press the charging capacitor C5 and charging capacitor C6 between voltage stabilizing chip U1 output end vos ut and ground terminal GND.
In addition, for the disposable success that ensures to light a fire, the starting ignition circuit includes one end and voltage voltage stabilizing chip U1
The start button S1 of output end vo ut connections and one end are connect with the start button S1 other ends and the other end and microcontroller
The current-limiting resistance R1 of external interrupt mouth P3.2 connections.By pressing start button S1, microcontroller obtains external interrupt signal, carries out
Igniting realizes pulse igniter TQ1 ignition operations by connecting ignition control circuit, the ignition control circuit include one end with
The current-limiting resistance R5 and grid of the serial port P2.7 connections of microcontroller are connect with the current-limiting resistance R5 other ends, source electrode is grounded simultaneously
And the field-effect tube Q1 that drain electrode is connect with pulse igniter TQ1.Moreover, in order to avoid in the flammable combustion of loss of ignition
Gas persistently sprays, this example is additionally provided with buzzer drive circuit, and the buzzer drive circuit includes that one end and microcontroller are serial
The current-limiting resistance R9 and base stage of mouthful P1.1 connections are connect with the current-limiting resistance R9 other ends, emitter is grounded and collector and
The triode Q4 of buzzer B1 connections.The fire extinguishing Acquisition Circuit include base stage connect with the fire extinguishing probe U3, collector with
The triode Q5 of voltage voltage stabilizing chip U1 output end vos ut connections and one end are connect and another with the emitter of triode Q5
Hold the current-limiting resistance R10 being connect with the external interrupt mouth P3.3 of microcontroller.When the probe U3 that puts out a fire collects fire extinguishing signal, pass through
The collector of driving triode Q5 is connected with emitter, and then the interrupt signal extinguished to microcontroller output combustion gas, on the one hand, single
Piece machine carries out fire extinguishing warning, still further aspect by buzzer B1, and microcontroller closes fuel gas time by controlling proportioning valve KT
Road.
Moreover, the device it is described fire amount key circuit include one end with voltage voltage stabilizing chip U1 output end vos ut
The increase button S2 of connection, reduce button S3 and close button S4, one end is connect with the increase button S2 other ends and the other end
The current-limiting resistance R2 being connect with the serial port P1.5 of microcontroller, one end with reduce the button S3 other ends and connect and the other end and list
The current-limiting resistance R3 of the serial port P1.6 connections of piece machine and one end with close the button S4 other ends and connect and the other end and list
The current-limiting resistance R4 of the serial port P1.7 connections of piece machine.It is described fire amount control circuit include drain electrode connect with proportioning valve KT and
The field-effect tube Q2 and field-effect tube Q3 of source electrode ground connection, one end is connect with the grid of field-effect tube Q2 and the other end and microcontroller
Serial port P2.3 connections current-limiting resistance R7 and one end is connect with the grid of field-effect tube Q3 and the other end and microcontroller
Serial port P2.2 connections current-limiting resistance R8.Essence is carried out to the intensity of a fire of the gas-cooker by increasing button S2, reducing button S3
Quasi- control.
When gas-cooker works, in order to acquire ignition temperature in real time, gas-cooker is made to be in security control, and ensureing should
The temperature of device is normal, by the way that temperature collection circuit is arranged.The temperature collection circuit includes output end DQ and serial port of single chip computer
The digital temperature that P0.1 connections, earth point GND ground connection and power end VDD are connect with voltage voltage stabilizing chip U1 output end vos ut
Sensor U2, and the pull-up resistor R6 that is connected between the output end DQ of digital temperature sensor U2 and power end VDD.
Above-described embodiment is only the preferred embodiment of the utility model, is not intended to limit the scope of the present invention,
In every case using the design principle of the utility model, and the non-creative variation worked and made is carried out on this basis, it should all
Belong within the scope of protection of the utility model.
Claims (9)
1. being based on monolithic processor controlled gas cooker safety guard, include the proportioning valve KT of two coils, four terminals, pulse
Igniter TQ1, buzzer B1, accumulator E, fire extinguishing probe U3, which is characterized in that further include that one end is connect with accumulator E cathode
And the power switch SB1 of other end ground connection, inputs the regulator circuit being connect with accumulator E anodes, exports and connects with regulator circuit
The microcontroller of 8 51 series connect, the buzzer drive circuit being connect with microcontroller, fire amount key circuit, starting ignition electricity
Road, crystal oscillating circuit, temperature collection circuit, fire extinguishing Acquisition Circuit, ignition control circuit and fiery amount control circuit, the buzzer
B1, pulse igniter TQ1, proportioning valve KT, fire amount key circuit, fire extinguishing probe U3, starting ignition circuit and temperature collection circuit
It exports and connects with the regulator circuit respectively.
2. gas cooker safety guard according to claim 1, which is characterized in that the regulator circuit includes input
End Vin is connect with accumulator E anodes and the voltage voltage stabilizing chip U1 of ground terminal GND ground connection, is connected to voltage voltage stabilizing chip U1
Charging capacitor C3 between input terminal Vin and ground terminal GND and charging capacitor C4, and it is connected to the U1 outputs of voltage voltage stabilizing chip
Hold the charging capacitor C5 and charging capacitor C6 between Vout and ground terminal GND.
3. gas cooker safety guard according to claim 2, which is characterized in that the buzzer drive circuit packet
It includes current-limiting resistance R9 that one end is connect with serial port of single chip computer P1.1 and base stage connect with the other end of current-limiting resistance R9, sends out
The triode Q4 that emitter grounding and collector are connect with buzzer B1.
4. gas cooker safety guard according to claim 2, which is characterized in that the fire measures key circuit and includes
Increase button S2, the reduction button S3 and close button S4, one end that one end is connect with voltage voltage stabilizing chip U1 output end vos ut
Connect and the current-limiting resistance R2 of the serial port P1.5 connections of the other end and microcontroller with the other end for increasing button S2, one end and
Reduce current-limiting resistance R3 and one end of the other end connection and serial port P1.6 connections of the other end and microcontroller of button S3
It is connect and the current-limiting resistance R4 of the serial port P1.7 connections of the other end and microcontroller with the other end for closing button S4；It is described to open
Dynamic firing circuit includes that one end is pressed with the voltage voltage stabilizing chip U1 output end vos ut start button S1 connecting and one end with startup
The other end of key S1 connects and the current-limiting resistance R1 of the external interrupt mouth P3.2 connections of the other end and microcontroller.
5. gas cooker safety guard according to claim 2, which is characterized in that the temperature collection circuit includes
Output end DQ is connect with serial port of single chip computer P0.1, earth point GND ground connection and power end VDD and voltage voltage stabilizing chip U1 export
The digital temperature sensor U2 of Vout connections is held, and is connected to the output end DQ and power end of digital temperature sensor U2
Pull-up resistor R6 between VDD.
6. gas cooker safety guard according to claim 2, which is characterized in that the ignition control circuit includes
The current-limiting resistance R5 and grid of the serial port P2.7 connections of one end and microcontroller connect with the other end of current-limiting resistance R5, source
Pole is grounded and the field-effect tube Q1 being connect with pulse igniter TQ1 that drains.
7. gas cooker safety guard according to claim 2, which is characterized in that it is described fire amount control circuit include
Drain electrode is connect with proportioning valve KT and the field-effect tube Q2 and field-effect tube Q3 of source electrode ground connection, the grid of one end and field-effect tube Q2
Pole connection and the current-limiting resistance R7 of the serial port P2.3 connections of the other end and microcontroller and the grid of one end and field-effect tube Q3
Pole connects and the current-limiting resistance R8 of the serial port P2.2 connections of the other end and microcontroller.
8. gas cooker safety guard according to claim 2, which is characterized in that the fire extinguishing Acquisition Circuit includes
Base stage connect with the fire extinguishing probe U3, the triode Q5 of collector and voltage voltage stabilizing chip U1 output end vos ut connections, and
One end is connect with the emitter of triode Q5 and the current-limiting resistance of the external interrupt mouth P3.3 connections of the other end and microcontroller
R10。
9. according to claim 1~8 any one of them gas cooker safety guard, which is characterized in that the crystal oscillator electricity
Road includes the crystal oscillator Y1 being connected between the reversed oscillation amplification input XTAL1 of microcontroller and reversed oscillation output XTAL2, and
One end is connect respectively with crystal oscillator Y1 and the charging capacitor C1 and charging capacitor C2 of other end ground connection；One end of the charging capacitor C1
It is connect with reversed oscillation output XTAL2, and one end of charging capacitor C2 is connect with reversed oscillation amplification input XTAL1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820152243.0U CN208058929U (en) | 2018-01-28 | 2018-01-28 | Based on monolithic processor controlled gas cooker safety guard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820152243.0U CN208058929U (en) | 2018-01-28 | 2018-01-28 | Based on monolithic processor controlled gas cooker safety guard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208058929U true CN208058929U (en) | 2018-11-06 |
Family
ID=63992476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820152243.0U Expired - Fee Related CN208058929U (en) | 2018-01-28 | 2018-01-28 | Based on monolithic processor controlled gas cooker safety guard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208058929U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882884A (en) * | 2019-03-08 | 2019-06-14 | 浙江富迩佳电子科技有限公司 | Anti- gas source misconnection type double-source gas control system and its control circuit |
-
2018
- 2018-01-28 CN CN201820152243.0U patent/CN208058929U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882884A (en) * | 2019-03-08 | 2019-06-14 | 浙江富迩佳电子科技有限公司 | Anti- gas source misconnection type double-source gas control system and its control circuit |
| US10962226B2 (en) | 2019-03-08 | 2021-03-30 | Zhejiang Fuerj Electric Science And Technology Co. Ltd. | Dual-gas source gas control system with anti-gas source misconnection and control circuit thereof |
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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: 20181106 Termination date: 20190128 |