CN209310049U - A kind of integrated kitchen range igniter safety control circuit - Google Patents
A kind of integrated kitchen range igniter safety control circuit Download PDFInfo
- Publication number
- CN209310049U CN209310049U CN201822042405.8U CN201822042405U CN209310049U CN 209310049 U CN209310049 U CN 209310049U CN 201822042405 U CN201822042405 U CN 201822042405U CN 209310049 U CN209310049 U CN 209310049U
- Authority
- CN
- China
- Prior art keywords
- triode
- control module
- kitchen range
- control circuit
- igniter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Portable Nailing Machines And Staplers (AREA)
Abstract
The utility model provides a kind of integrated kitchen range igniter safety control circuit, comprising: makes energy control module, DC-DC conversion chip, ignition power control circuit and the igniter for being connected to the DC-DC conversion chip output end；The ignition power control circuit includes triode and multiple resistance, and the base stage of the triode is connected to the I/O output end for making energy control module through second resistance；The enabled end EN of the DC-DC conversion chip is connected to the collector of the triode；It is described that energy control module is made to be connected with detection circuit, the signal detected by receiving test circuit, control I/O output end output high level or low level, to control the on or off state of the triode, change the low and high level at the enabled end EN of the DC-DC conversion chip to control the power supply of the igniter.A kind of integrated kitchen range igniter safety control circuit of the utility model, circuit is simple, security performance is high, generation is at low cost, long service life.
Description
Technical field
The utility model relates to a kind of integrated kitchen range igniter technical field, in particular to a kind of integrated kitchen range igniter is controlled safely
Circuit processed.
Background technique
The igniter of integrated kitchen range is essentially all to use in such a way that power panel is directly powered.Integrated kitchen range is due to using combustion
Gas is as raw material, when use is longer, it is most likely that gas leak phenomenon is generated, particularly, for using the gas-supplying structure of hose gas transmission,
Due to the poor contact or aging of hose, it is possible to gas leakage occur；Particularly, for using liquefied gas bottle gas transmission rural area,
After having used integrated kitchen range, closing liquefied gas bottle is often forgotten about, this more increases the risk hidden danger of integrated kitchen range.
In the case where gas leakage or flue on fire, if the unknown situation continued of user will using igniter fire
Cause safety accident.To prevent the occurrence of such, it would be desirable to realize the work of control igniter by some circuits
State.Integrated kitchen range currently on the market is all largely the working condition there is no limit igniter, also have part use after
The control mode of electric appliance.But relay for a long time the working condition lower contact end of low pressure low current be easy to produce carbon distribution to
Failure, poor reliability, and increased costs.
Summary of the invention
(1) technical problems to be solved
It can be controlled the technical problem to be solved by the present invention is to provide one kind in gas leakage or flue on fire and be
The integrated kitchen range igniter safety control circuit that system can not light a fire.
(2) technical solution
In order to solve the above technical problems, the utility model provides a kind of integrated kitchen range igniter safety control circuit, comprising: make
Energy control module, DC-DC conversion chip, igniter and ignition power control circuit；The anode connection of the igniter
To the OUT output end of the DC-DC conversion chip, cathode is connected to the end GND of the DC-DC conversion chip；
The ignition power control circuit includes triode, first resistor, second resistance and 3rd resistor, described first resistor one end
It is connected to the collector of the triode, the other end is connected to power supply vdd terminal, and the base stage of the triode is connected through second resistance
Make the I/O output end of energy control module to described, and is connected with 3rd resistor between the base stage and emitter of the triode；
The end input IN of the DC-DC conversion chip is connected to power supply vdd terminal, and the enabled end EN is connected to the collection of the triode
Electrode；Described that energy control module is made to be connected with detection circuit, the detection circuit is used for when detecting that integrated kitchen range breaks down
Energy control module is set to send detection signal, the signal for detecting energy control module by receiving test circuit, control to described
I/O output end output high level processed or low level change described straight to control the on or off state of the triode
The low and high level at the enabled end EN of stream-direct current conversion chip controls the power supply of the igniter.
Further, described when energy control module I/O output end being made to export high level, the second resistance and 3rd resistor
It can satisfy the triode ON；And it is described make energy control module I/O output end export low level when, the second resistance
It can satisfy the triode with 3rd resistor to end.
Further, the input power VDD of the DC-DC conversion chip enables to make energy control module described
Meet the triode ON when exporting high level.
Further, the VCC power end for making energy control module is connected with 5V power supply, and in its VCC power end and GND
End is parallel with the first filter capacitor and first capacitor.First filter capacitor and the first capacitor compose in parallel filtered electrical
Road can make energy control module input stable voltage to described.
Further, the emitter of the triode is connected to the end GND1, and in the VDD power end and the end GND1
It is parallel with the second filter capacitor and the second capacitor.
Further, the OUT output end of the DC-DC conversion chip and the end GND be parallel with third filter capacitor and
Third capacitor.The third filter capacitor and the third capacitor compose in parallel filter circuit, and the DC-DC can be made to turn
It changes chip and exports power supply of the stable voltage as the igniter.
Further, described to make energy control module single-chip microcontroller.
(3) beneficial effect
A kind of integrated kitchen range igniter safety control circuit of the utility model, by making energy control module to the biography of detection circuit
Defeated signal is handled, and control DC-DC conversion chip exports to control the power supply of igniter, to realize to igniter
Security control；The device circuit is simple, high reliablity；Since linear voltage regulator power consumption is high, typically only turned with DC-DC
Chip is changed to power to igniter, and DC-DC conversion chip is substantially included enabled EN pin, so the present apparatus is electric
Road does not need additionally to generate cost, and long service life.
Detailed description of the invention
Fig. 1 is a kind of circuit diagram of integrated kitchen range igniter safety control circuit of the utility model；
Wherein: U1 be make energy control module, U2 DC-DC conversion chip, P1 be igniter, R1 be first resistor,
R2 is second resistance, R3 is 3rd resistor, C1 is first capacitor, C2 is the second capacitor, C3 is third capacitor, the filtering of EC1 first
Capacitor, the second filter capacitor of EC2, EC3 third filter capacitor, Q1 are triode.
Specific embodiment
Refering to fig. 1, the utility model provides a kind of integrated kitchen range igniter safety control circuit, comprising: makes energy control module
U1, DC-DC conversion chip U2, igniter P1 and ignition power control circuit；
The anode of igniter P1 is connected to the OUT output end of DC-DC conversion chip U2, and cathode is connected to direct current-
The end GND of direct current conversion chip U2, power supply of the output voltage of DC-DC conversion chip U2 as igniter P1.Igniter
Power control circuit includes triode Q1, first resistor R1, second resistance R2 and 3rd resistor R3, and first resistor R1 is pull-up electricity
Resistance, the one end first resistor R1 are connected to the collector of triode Q1, and the other end is connected to power supply vdd terminal, when triode Q1 ends
When, output voltage is pulled to power supply vdd terminal.The base stage of triode Q1 is connected to through second resistance R2 makes energy control module U1's
I/O output end, second resistance R2 are current-limiting resistance, prevent the I/O output end for making energy control module U1 from causing when exporting high level
The base current of triode Q1 is excessively high and damages triode Q1.And third is connected between the base stage and emitter of triode Q1
Resistance R3,3rd resistor R3 are pull down resistor, and triode Q1, which is in, when for ensuring the base stage of triode Q1 without input signal cuts
Only state.The end input IN of DC-DC conversion chip U2 is connected to power supply vdd terminal, and the enabled end EN is connected to triode Q1
Collector.So that energy control module U1 is connected with detection circuit, detection circuit be used for when detecting that integrated kitchen range breaks down to
Energy control module U1 is set to send detection signal, it is defeated to control I/O for the signal for detecting energy control module U1 by receiving test circuit
Outlet exports high level or low level, to control the on or off state of triode Q1, changes DC-DC and converts core
The low and high level at the enabled end EN of piece U2 controls the power supply of igniter P1.
Wherein, when the I/O output end of energy control module U1 being made to export high level, second resistance R2 and 3rd resistor R3 can
Meet triode Q1 conducting；And when the I/O output end of energy control module U1 being made to export low level, second resistance R2 and third electricity
Resistance R3 can satisfy triode Q1 cut-off.And the input power VDD of DC-DC conversion chip U2 enables to make can control
Module U1 meets triode Q1 conducting when exporting high level.
Wherein, the VCC power end of energy control module U1 is made to be connected with 5V power supply, and in parallel in its VCC power end and the end GND
There is the first filter capacitor EC1 and first capacitor C1.First filter capacitor EC1 and first capacitor C1 compose in parallel filter circuit, energy
It is enough that energy control module U1 is made to input stable voltage.
Wherein, the emitter of triode Q1 is connected to the end GND1, and is parallel with the second filtering in VDD power end and the end GND1
Capacitor EC2 and the second capacitor C2.Second filter capacitor EC2 and the second capacitor C2 compose in parallel filter circuit, can be straight to direct current-
Stream conversion chip U2 inputs stable voltage.
Wherein, the OUT output end of DC-DC conversion chip U2 and the end GND are parallel with third filter capacitor EC3 and third
Capacitor C3.Third filter capacitor EC3 and third capacitor C3 compose in parallel filter circuit, can make DC-DC conversion chip U2
Export the power supply that stable voltage is used as igniter P1.
Wherein, make energy control module U1 single-chip microcontroller.
Further the present embodiment is illustrated, in the present embodiment, first resistor R1, second resistance R2 and 3rd resistor
The resistance value of R3 is respectively 100K Ω, 6.8K Ω and 1K Ω；The model S8050NPN type triode of triode Q1；DC-DC
Conversion chip U2 is MP1470 chip；Power vd D is 9V.When under normal operating conditions, make the I/O output end of energy control module U1
Low level is exported, after second resistance R2 and 3rd resistor R3 partial pressure, makes triode Q1 work in off state；It is straight at this time
It is high level at the enabled end EN stream-direct current conversion chip U2, DC-DC conversion chip U2 is worked normally, OUT output end
Exporting 3V voltage gives igniter P1, igniter P1 that can work normally.When system detection circuit detects that gas leakage or pipeline rise
It when fiery, and transmit a signal to and makes energy control module U1, make energy control module U1 control I/O output end output high level, pass through
After second resistance R2 and 3rd resistor R3 partial pressure, make triode Q1 work on state；DC-DC conversion chip U2 at this time
The enabled end EN at be low level, DC-DC conversion chip U2 do not work, and OUT output end is without output voltage to igniter
P1, igniter P1 can not light a fire.
A kind of integrated kitchen range igniter safety control circuit of the utility model, by making energy control module to the biography of detection circuit
Defeated signal is handled, and control DC-DC conversion chip exports to control the power supply of igniter, to realize to igniter
Security control；The device circuit is simple, high reliablity；Since linear voltage regulator power consumption is high, typically only turned with DC-DC
Chip is changed to power to igniter, and DC-DC conversion chip is substantially included enabled EN pin, so the present apparatus is electric
Road does not need additionally to generate cost, and long service life.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these change
It also should be regarded as the protection scope of the utility model into retouching.
Claims (7)
1. a kind of integrated kitchen range igniter safety control circuit characterized by comprising make energy control module (U1), DC-DC
Conversion chip (U2), igniter (P1) and ignition power control circuit；The anode of the igniter (P1) is connected to described straight
Stream-direct current conversion chip (U2) OUT output end, cathode are connected to the end GND of the DC-DC conversion chip (U2)；
The ignition power control circuit includes triode (Q1), first resistor (R1), second resistance (R2) and 3rd resistor (R3),
Described first resistor (R1) one end is connected to the collector of the triode (Q1), and the other end is connected to power supply vdd terminal, and described three
The base stage of pole pipe (Q1) is connected to the I/O output end for making energy control module (U1) through second resistance (R2), and described three
3rd resistor (R3) is connected between the base stage and emitter of pole pipe (Q1)；The input of the DC-DC conversion chip (U2)
The end IN is connected to power supply vdd terminal, and the enabled end EN is connected to the collector of the triode (Q1)；It is described to make energy control module
(U1) it is connected with detection circuit, the detection circuit is for making energy control module to described when detecting that integrated kitchen range breaks down
(U1) detection signal is sent, the signal for detecting energy control module (U1) by receiving test circuit controls I/O output end
It exports high level or low level and changes the DC-DC to control the on or off state of the triode (Q1)
The low and high level at the enabled end EN of conversion chip (U2) controls the power supply of the igniter (P1).
2. integrated kitchen range igniter safety control circuit as described in claim 1, it is characterised in that: described to make energy control module
(U1) when I/O output end exports high level, the second resistance (R2) and 3rd resistor (R3) can satisfy the triode
(Q1) it is connected；And when the I/O output end output low level for making energy control module (U1), the second resistance (R2) and the
Three resistance (R3) can satisfy the triode (Q1) cut-off.
3. integrated kitchen range igniter safety control circuit as described in claim 1, it is characterised in that: the DC-DC conversion
The input power VDD of chip (U2) enables to make energy control module (U1) to meet the triode when exporting high level described
(Q1) it is connected.
4. integrated kitchen range igniter safety control circuit as described in claim 1, it is characterised in that: described to make energy control module
(U1) VCC power end is connected with 5V power supply, and is parallel with the first filter capacitor (EC1) and in its VCC power end and the end GND
One capacitor (C1).
5. integrated kitchen range igniter safety control circuit as described in claim 1, it is characterised in that: the hair of the triode (Q1)
Emitter-base bandgap grading is connected to the end GND1, and is parallel with the second filter capacitor (EC2) and the second electricity in the VDD power end and the end GND1
Hold (C2).
6. integrated kitchen range igniter safety control circuit as described in claim 1, it is characterised in that: the DC-DC conversion
The OUT output end of chip (U2) and the end GND are parallel with third filter capacitor (EC3) and third capacitor (C3).
7. such as integrated kitchen range igniter safety control circuit as claimed in any one of claims 1 to 6, it is characterised in that: described enabled
Control module (U1) is single-chip microcontroller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822042405.8U CN209310049U (en) | 2018-12-06 | 2018-12-06 | A kind of integrated kitchen range igniter safety control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822042405.8U CN209310049U (en) | 2018-12-06 | 2018-12-06 | A kind of integrated kitchen range igniter safety control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209310049U true CN209310049U (en) | 2019-08-27 |
Family
ID=67675921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822042405.8U Active CN209310049U (en) | 2018-12-06 | 2018-12-06 | A kind of integrated kitchen range igniter safety control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209310049U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110687955A (en) * | 2019-11-22 | 2020-01-14 | 浙江嘉科电子有限公司 | Constant voltage and constant current control output power circuit |
-
2018
- 2018-12-06 CN CN201822042405.8U patent/CN209310049U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110687955A (en) * | 2019-11-22 | 2020-01-14 | 浙江嘉科电子有限公司 | Constant voltage and constant current control output power circuit |
| CN110687955B (en) * | 2019-11-22 | 2024-03-15 | 浙江嘉科电子有限公司 | Constant voltage constant current control output power supply circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105788556B (en) | A kind of overvoltage crowbar and method, liquid crystal display drive circuit | |
| CN202210602U (en) | Remote control row socket | |
| CN105676054B (en) | Cable reversal connection and short-circuit detecting circuit | |
| CN103166175A (en) | Input overvoltage protection circuit for light-emitting diode (LED) driving power supply | |
| CN209310049U (en) | A kind of integrated kitchen range igniter safety control circuit | |
| CN103075810A (en) | Power control device and water heater | |
| CN205248853U (en) | Power supply circuit | |
| CN206092266U (en) | General gasoline engine flameout controller | |
| CN209046247U (en) | Bus power source malfunction monitoring protects circuit | |
| CN208062790U (en) | One kind being based on DC supply input reverse-connection preventing circuit | |
| CN201717602U (en) | Noise-proof type anti-electric touch and anti-overheating protector of electric water heater | |
| CN209658987U (en) | Low-voltage dc power supply with overvoltage protection | |
| CN207652028U (en) | A kind of switching power circuit and its protection circuit | |
| CN205406874U (en) | Integrated smart jack that has vibration outage function | |
| CN204626593U (en) | A kind of water outlet anti-scalding protection device of the electronic toilet | |
| CN208353060U (en) | A kind of battery and power supply adaptor supply power with double circuit switching circuit | |
| CN208028311U (en) | Intelligent socket with defencive function | |
| CN207489241U (en) | A kind of electrical equipment and its Zero consumption standby circuit | |
| CN201733063U (en) | Over-voltage dual protector | |
| CN206575139U (en) | Prevent dc source short circuit or micro-short circuit or the pyrophoric protection circuit of touching production | |
| CN201285947Y (en) | Energy-saving socket for electromagnetic stove | |
| CN106410743B (en) | A kind of power sense circuit and electronic product | |
| CN203205828U (en) | LED driving power supply input overvoltage protection circuit | |
| CN208672722U (en) | A kind of DC load fault condition detection circuit | |
| CN209313470U (en) | A kind of protection circuit that car emergency startup power supply is docked with automobile starting battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |