CN207283521U

CN207283521U - A kind of integrated kitchen range smart flameout circuit

Info

Publication number: CN207283521U
Application number: CN201721069765.6U
Authority: CN
Inventors: 汪起富
Original assignee: HANGZHOU MAICHUAN TECHNOLOGY Co Ltd
Current assignee: HANGZHOU MAICHUAN TECHNOLOGY Co Ltd
Priority date: 2017-08-11
Filing date: 2017-08-11
Publication date: 2018-04-27
Anticipated expiration: 2027-08-11

Abstract

The utility model discloses a kind of integrated kitchen range smart flameout circuit,Including first resistor R1,Second resistance R2,3rd resistor R3,4th resistance R4,First capacitance C1,Second capacitance E1,First triode Q1,Second triode Q2 and the 3rd triode Q3,The first end of the first resistor R1 is connected to a misfire signals,This integrated kitchen range smart flameout circuit,Not only intelligent height,And reliability is high,There is gas leakage during integrated kitchen range use,High temperature is when abnormal phenomenon needs flame-out or flame-out in Baoshang needs timing,Misfire signals send the triggering of moment high level signal and pass through the first triode Q1,Second triode Q2 triggers the 3rd triode Q3,Realize transient switching,So that the voltage instantaneous on E1 is reversely applied to thermocouple both ends,So as to remove the holding magnetic field on solenoid valve,Solenoid valve resets switching combustion gas immediately under the action of gaseous-pressure,Achieve the purpose that flame-out.

Description

A kind of integrated kitchen range smart flameout circuit

Technical field

Smart flameout field of circuit technology is the utility model is related to, is specially a kind of integrated kitchen range smart flameout circuit.

Background technology

Integrated kitchen range is highly integrated and intelligent come into huge numbers of families with its.As the core of integrated kitchen range, igniter also passes through The development of several generations is gone through, the Manual press igniting by most, can leak the ion detection fire of gas development till now after flame-out Flame, self-closing gas protection of stopping working.But it was found that ion detection flame in actually using, though flame-out self-closing gas valve protection So have that its height is intelligent, but reliability is very low, often occurs the abnormal phenomenon such as gas leakage, high temperature during integrated kitchen range use Need to stop working or when Baoshang needs timing flame-out, because the holding of flare up fire, make to maintain magnetic field on solenoid valve, electromagnetism Valve blocks, and can not realize autonomous flame-out.

Utility model content

The technical problems to be solved in the utility model is to overcome the defects of existing, there is provided a kind of integrated kitchen range smart flameout electricity Road, not only intelligent height, and reliability is high, occurring the abnormal phenomenon such as gas leakage, high temperature during integrated kitchen range use needs Stop working or when Baoshang needs timing flame-out, misfire signals send the triggering of moment high level signal and pass through the first triode Q1, the second triode Q2 trigger the 3rd triode Q3, realize transient switching so that the voltage instantaneous on E1 is reversely applied to thermoelectricity Even both ends, so as to remove the holding magnetic field on solenoid valve, solenoid valve resets switching combustion gas immediately under the action of gaseous-pressure, reaches To flame-out purpose, can effectively solve the problems, such as in background technology.

To achieve the above object, the utility model provides following technical solution：A kind of integrated kitchen range smart flameout circuit, bag Include first resistor R1, second resistance R2,3rd resistor R3, the 4th resistance R4, the first capacitance C1, the second capacitance E1, the one or three pole Pipe Q1, the second triode Q2 and the 3rd triode Q3, the first end of the first resistor R1 are connected to a misfire signals, institute The second end for stating first resistor R1 is connected with the base stage b of the first triode Q1, and the emitter e of the first triode Q1 connects Ground, the collector c of the first triode Q1 are connected with the first end of second resistance R2, the second end of the second resistance R2 with The base stage b connections of the second triode Q2, the emitter e of the second triode Q2 are connected to operating voltage, and described second First end, the first end of the first capacitance C1 and the base of the 3rd triode Q3 of the collector c and 3rd resistor R3 of triode Q2 Pole connects, the second end of the 3rd resistor R3, the second end of the first capacitance C1 ground connection, the emitter of the 3rd triode Q3 E is connected to thermocouple anode, and the collector c of the 3rd triode Q3 is electric with the first end of the 4th resistance R4 and second respectively Hold the first end connection of E1, the second end of the 4th resistance R4 is connected to operating voltage, the second end of the second capacitance E1 It is connected to thermocouple cathode.

As a kind of optimal technical scheme of the utility model, the first triode Q1 is NPN type triode, described Two triode Q2 are PNP type triode, and the 3rd triode Q3 is depletion type N-channel isolated gate FET.

As a kind of optimal technical scheme of the utility model, the first capacitance C1 is polarity free capacitor, described second Capacitance E1 is polarized capacitance.

As a kind of optimal technical scheme of the utility model, the first end of the second capacitance E1 is positive terminal, described The second end of second capacitance E1 is negative pole end.

As a kind of optimal technical scheme of the utility model, the operating voltage is 12V.

Compared with prior art, the beneficial effects of the utility model are：This integrated kitchen range smart flameout circuit, it is not only intelligent Property it is high, and reliability is high, occur during integrated kitchen range use the abnormal phenomenon such as gas leakage, high temperature need it is flame-out or When Baoshang needs timing flame-out, misfire signals send the triggering of moment high level signal and pass through the first triode Q1, the second triode Q2 triggers the 3rd triode Q3, realizes transient switching so that the voltage instantaneous on E1 is reversely applied to thermocouple both ends, so as to go Except the holding magnetic field on solenoid valve, solenoid valve resets switching combustion gas immediately under the action of gaseous-pressure, achievees the purpose that flame-out.

Brief description of the drawings

Fig. 1 is the utility model physical circuit figure.

Embodiment

The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work All other embodiments obtained, shall fall within the protection scope of the present invention.

Referring to Fig. 1, the utility model provides a kind of technical solution：A kind of integrated kitchen range smart flameout circuit, including the One resistance R1, second resistance R2,3rd resistor R3, the 4th resistance R4, the first capacitance C1, the second capacitance E1, the first triode Q1, Second triode Q2 and the 3rd triode Q3, the first triode Q1 are NPN type triode, and the second triode Q2 is PNP type triode, the 3rd triode Q3 are depletion type N-channel isolated gate FET, and the first capacitance C1 is electrodeless Property capacitance, the second capacitance E1 is polarized capacitance, and the first end of the first resistor R1 is connected to a misfire signals, institute The second end for stating first resistor R1 is connected with the base stage b of the first triode Q1, and the emitter e of the first triode Q1 connects Ground, the collector c of the first triode Q1 are connected with the first end of second resistance R2, the second end of the second resistance R2 with The base stage b connections of the second triode Q2, the emitter e of the second triode Q2 are connected to operating voltage, and described second First end, the first end of the first capacitance C1 and the base of the 3rd triode Q3 of the collector c and 3rd resistor R3 of triode Q2 Pole connects, the second end of the 3rd resistor R3, the second end of the first capacitance C1 ground connection, the emitter of the 3rd triode Q3 E is connected to thermocouple anode, and the collector c of the 3rd triode Q3 is electric with the first end of the 4th resistance R4 and second respectively Hold the first end connection of E1, the first end of the second capacitance E1 is positive terminal, and the second end of the second capacitance E1 is anode End, the second end of the 4th resistance R4 is connected to operating voltage, and the operating voltage is 12V, and the of the second capacitance E1 Two ends are connected to thermocouple cathode, flame combustion or it is incombustible when, 12V power supplys by the 4th resistance R4 to second electricity Hold E1 to charge, misfire signals keep low level, and when needing flame-out, misfire signals send the high level signal triggering of moment 3rd triode Q3 is triggered by the first triode Q1, the second triode Q2, realizes transient switching so that on the second capacitance E1 Voltage instantaneous is reversely applied to thermocouple both ends, so that the holding magnetic field on solenoid valve is removed, work of the solenoid valve in gaseous-pressure Reset switching combustion gas immediately under, achieve the purpose that flame-out.

While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from the principle of the utility model and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims

1. a kind of integrated kitchen range smart flameout circuit, including first resistor (R1), second resistance (R2), 3rd resistor (R3), Four resistance (R4), the first capacitance (C1), the second capacitance (E1), the first triode (Q1), the second triode (Q2) and the three or three Pole pipe (Q3), it is characterised in that：The first end of the first resistor (R1) is connected to a misfire signals, the first resistor (R1) second end is connected with the base stage (b) of first triode (Q1), and the emitter (e) of first triode (Q1) connects Ground, the collector (c) of first triode (Q1) are connected with the first end of second resistance (R2), the second resistance (R2) Second end is connected with the base stage (b) of second triode (Q2), and the emitter (e) of second triode (Q2) is connected to work Make voltage, the collector (c) of second triode (Q2) and the first end of 3rd resistor (R3), the first of the first capacitance (C1) The connection of the base stage of end and the 3rd triode (Q3), second end, the second end of the first capacitance (C1) of the 3rd resistor (R3) Ground connection, the emitter (e) of the 3rd triode (Q3) are connected to thermocouple anode, the collector of the 3rd triode (Q3) (c) it is connected respectively with the first end of the 4th resistance (R4) and the first end of the second capacitance (E1), the 4th resistance (R4) Second end is connected to operating voltage, and the second end of second capacitance (E1) is connected to thermocouple cathode.

A kind of 2. integrated kitchen range smart flameout circuit according to claim 1, it is characterised in that：First triode (Q1) it is NPN type triode, second triode (Q2) is PNP type triode, and the 3rd triode (Q3) is depletion type N Raceway groove isolated gate FET.

A kind of 3. integrated kitchen range smart flameout circuit according to claim 1, it is characterised in that：First capacitance (C1) For polarity free capacitor, second capacitance (E1) is polarized capacitance.

A kind of 4. integrated kitchen range smart flameout circuit according to claim 3, it is characterised in that：Second capacitance (E1) First end be positive terminal, the second end of second capacitance (E1) is negative pole end.

A kind of 5. integrated kitchen range smart flameout circuit according to claim 1, it is characterised in that：The operating voltage is 12V。