CN211781225U - Ion flame ignition detection control circuit for gas appliance - Google Patents
Ion flame ignition detection control circuit for gas appliance Download PDFInfo
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- CN211781225U CN211781225U CN202020338325.1U CN202020338325U CN211781225U CN 211781225 U CN211781225 U CN 211781225U CN 202020338325 U CN202020338325 U CN 202020338325U CN 211781225 U CN211781225 U CN 211781225U
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Abstract
The utility model discloses a gas utensil is with ionic flame detection control circuit that ignites belongs to cooking utensils accessory technical field, has solved complicated, with high costs, the product is bulky, the relatively poor problem of security performance of traditional flame detection circuit design that strikes sparks. The ignition circuit comprises a rectification circuit unit, an ignition switch circuit unit and an ignition charge-discharge circuit unit, and the detection control circuit module comprises a flame induction end and an induction switch circuit unit. The utility model discloses powerful, automatic strike sparks, the automatic shutdown strikes sparks, and circuit design is simple and ingenious, and components and parts consumptive material is few, and is with low costs, lightly small and exquisite, and the security is high, and the practicality is very strong, detects technical field at the flame and has important meaning, can wide application in gas utensil technical field.
Description
Technical Field
The utility model belongs to the technical field of cooking utensils accessory, specifically speaking especially relates to a gas utensil that circuit design is succinct and ingenious, product small in size, the function is comprehensive, the security is high, product property can stabilize, manufacturing procedure simplifies uses ionic flame to ignite and detects control circuit.
Background
The invention provides a Chinese patent with an authorization notice number of CN105891581B, an authorization notice date of 2019, 04 and 05, and a name of a flame detection circuit and a name of a flame ignition detection circuit, wherein the Chinese patent comprises a first capacitor, a first end of the first capacitor is connected with an alternating current commercial power, and a second end of the first capacitor is grounded; a first end of the second capacitor is connected with the alternating current mains supply, and a second end of the second capacitor is connected with a fire detection needle, wherein the fire detection needle is used for detecting flame; a first end of the third capacitor is connected with a second end of the second capacitor, and a second end of the third capacitor is grounded; the first end of the flame signal output circuit is connected with the first end of the third capacitor and used for outputting a flame prompting signal according to whether the voltage of the first end of the third capacitor exceeds a preset voltage range or not; wherein the flame signal output circuit includes: the first end of the switch tube is connected with the first end of the third capacitor, the second end of the switch tube is connected with a high level, and the third end of the switch tube is used for providing the flame prompt signal; the first end of the first resistor is connected with a high level, and the second end of the first resistor is connected with the first end of the switching tube; and a second resistor, wherein a first end of the second resistor is connected with a second end of the first resistor, and a second end of the second resistor is grounded ". Compared with the traditional circuit based on the micro control unit, the technical scheme has the advantages that the circuit design is simplified; however, compared with the technical scheme of the utility model, the circuit design is more complex, the number of used components is more, the cost is high, and the volume of the whole product is relatively larger; in addition, the function is single, and the ignition cannot be automatically carried out or stopped according to the flame condition; the inability to automatically stop the ignition and change direction indicates that the safety performance of the conventional circuit design is relatively poor.
In addition, some igniters require cutting grooves in the epoxy layer due to an improper circuit design. The purpose of cutting the groove is to improve the pressure resistance of the product and ensure that the product can be ignited normally; on the other hand, the flame detection circuit is used for disconnecting the electrical connection between the flame detection circuit and the ground wire, preventing the flame feedback electrical signal from being directly released through the ground wire, and ensuring the normal work of the flame detection circuit. In other words, the igniter product has the defects that the defects need to be compensated by cutting the grooves due to unreasonable circuit design, so that the product performance is unstable, the production procedures are increased, the labor intensity of workers is high, and the production efficiency of enterprises is influenced; in addition, the appearance of the product is not beautiful after the groove is cut, and the product sale is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a not enough to prior art exists, provide a gas utensil that circuit design is succinct and ingenious, product small in size, the function is comprehensive, the security is high, product performance is stable, manufacturing procedure simplifies with ion flame ignition detection control circuit.
The utility model discloses a realize through following technical scheme:
an ion flame ignition detection control circuit for a gas appliance comprises an ignition circuit module, a detection control circuit module and a high-voltage pack;
the commercial power input end of the ignition circuit module is electrically connected with the ignition charge-discharge circuit unit provided with the ignition switch circuit unit after being rectified by the rectifying circuit unit, the voltage rectified by the rectifying circuit unit is used for storing energy for the ignition charge-discharge circuit unit, and the ignition switch circuit unit controls the on-off of the ignition charge-discharge circuit unit; the ignition charge-discharge circuit unit is electrically connected with the primary coil of the high-voltage pack and used for storing energy for the primary coil of the high-voltage pack, and the secondary coil of the high-voltage pack outputs ignition voltage after energy storage;
the flame induction end of the detection control circuit module is electrically connected with the induction switch circuit unit, the induction switch circuit unit is electrically connected with the ignition switch circuit unit, and the induction switch circuit unit is used for controlling the ignition switch circuit unit to be switched on and off according to the flame condition.
Preferably, the rectifier circuit unit is a full-wave rectifier circuit.
Preferably, the ignition switch circuit unit is a switch circuit with a semiconductor transistor Q1 as a core device.
Preferably, the ignition charging and discharging circuit unit comprises a diode D2 and a capacitor C13, the capacitor C13 is electrically connected with the rectifying circuit unit, the cathode end of the diode D2 is electrically connected with one end of the capacitor C13, the anode end of the diode D2 is electrically connected with the primary coil of the high-voltage pack, and the other end of the capacitor C13 is connected with the neutral line AC-N end.
Preferably, the flame induction end is an ignition needle electrically connected with the output end of the high-voltage pack.
Preferably, the inductive switch circuit unit is a switch circuit with a fet Q5 as a core device, and the on and off of the fet Q5 determines the on and off of the ignition switch circuit unit.
Preferably, a transient suppression diode V1 for protection is connected in parallel between the gate and the source of the field effect transistor Q5.
Preferably, the input end of the induction switch circuit unit is also electrically connected with a gas discharge tube V2 for protection, one end of the gas discharge tube V2 is electrically connected with the input end of the induction switch circuit unit, and the other end of the gas discharge tube V2 is connected with the ground.
Preferably, a voltage stabilizing diode D4 is further disposed on an output node of the rectifying circuit unit, a cathode end of the voltage stabilizing diode D4 is electrically connected with the output node of the rectifying circuit unit, and an anode end of the voltage stabilizing diode D4 is electrically connected with an AC-N end of the zero line.
Preferably, the number N of the high-voltage packets is more than or equal to 1.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model has powerful functions, can automatically strike fire when no flame as long as the power is switched on, does not need manual striking of a user, is convenient and quick to use, and has high user experience comfort level; after the flame is ignited, the utility model can automatically stop the ignition, the product performance is stable, and the circuit design safety is high;
the circuit design of the utility model is simple and ingenious, the number of components required by the whole circuit design is small, the manufacturing cost of the product is greatly reduced, the occupied space is small, and the miniaturized design requirement of the modern electronic product is met;
the igniter produced by the utility model does not need a groove cutting process, simplifies the production process, has low labor intensity of workers and high production yield of enterprises, and is attractive in appearance and easy to popularize and sell;
the utility model discloses the practicality is very strong, has the significance in flame detection technical field, can wide application in gas utensil technical field.
Drawings
FIG. 1 is a block diagram of the system of the present invention;
fig. 2 is a schematic circuit diagram of embodiment 2 of the present invention;
fig. 3 is a schematic circuit diagram according to embodiment 3 of the present invention.
In the figure: 1. an ignition circuit module; 11. a rectifier circuit unit; 12. an ignition switch circuit unit; 13. igniting the charge-discharge circuit unit; 14. a mains supply input end; 2. a detection control circuit module; 21. an inductive switch circuit unit; 22. a flame sensing tip; 3. a high-voltage pack; 31. a primary coil; 32. a secondary coil.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
an ion flame ignition detection control circuit for a gas appliance comprises an ignition circuit module 1, a detection control circuit module 2 and a high-voltage pack 3;
the commercial power input end 14 of the ignition circuit module 1 is electrically connected with the ignition charge-discharge circuit unit 13 provided with the ignition switch circuit unit 12 after being rectified by the rectifying circuit unit 11, the voltage rectified by the rectifying circuit unit 11 is used for storing energy for the ignition charge-discharge circuit unit 13, and the ignition switch circuit unit 12 controls the on-off of the ignition charge-discharge circuit unit 13; the ignition charge-discharge circuit unit 13 is electrically connected with the primary coil 31 of the high-voltage pack 3 and is used for storing energy for the primary coil 31 of the high-voltage pack 3, and the ignition voltage is output by the secondary coil 32 of the high-voltage pack 3 after the energy is stored;
the flame sensing end 22 of the detection control circuit module 2 is electrically connected with the sensing switch circuit unit 21, the sensing switch circuit unit 21 is electrically connected with the ignition switch circuit unit 12, and the sensing switch circuit unit 21 is used for controlling the ignition switch circuit unit 12 to be switched on and off according to the flame condition.
Preferably, the rectifier circuit unit 11 is a full-wave rectifier circuit.
Preferably, the ignition switch circuit unit 12 is a switch circuit having a semiconductor transistor Q1 as a core device.
Preferably, the ignition charging and discharging circuit unit 13 includes a diode D2 and a capacitor C13, the capacitor C13 is electrically connected to the rectifier circuit unit 11, a cathode terminal of the diode D2 is electrically connected to one end of the capacitor C13, an anode terminal of the diode D2 is electrically connected to the primary coil 31 of the high-voltage pack, and the other end of the capacitor C13 is connected to the neutral line AC-N terminal.
Preferably, the flame sensing tip 22 is an ignition pin electrically connected to the output of the high voltage pack.
Preferably, the inductive switch circuit unit 21 is a switch circuit with a fet Q5 as a core device, and the on and off of the fet Q5 determines the on and off of the ignition switch circuit unit 12.
Preferably, a transient suppression diode V1 for protection is connected in parallel between the gate and the source of the field effect transistor Q5.
Preferably, the input end of the inductive switch circuit unit 21 is further electrically connected with a gas discharge tube V2 for protection, one end of the gas discharge tube V2 is electrically connected with the input end of the inductive switch circuit unit 21, and the other end of the gas discharge tube V2 is grounded.
Preferably, a zener diode D4 is further disposed at the output node of the rectifier circuit unit 11, a cathode end of the zener diode D4 is electrically connected to the output node of the rectifier circuit unit 11, and an anode end of the zener diode D4 is electrically connected to the neutral line AC-N.
Preferably, the number N of the high voltage packages 3 is more than or equal to 1.
Example 1:
the ignition circuit comprises an ignition circuit module 1, a detection control circuit module 2 and a high-voltage pack 3;
the commercial power input end 14 of the ignition circuit module 1 is electrically connected with the ignition charge-discharge circuit unit 13 provided with the ignition switch circuit unit 12 after being rectified by the rectifying circuit unit 11, the voltage rectified by the rectifying circuit unit 11 is used for storing energy for the ignition charge-discharge circuit unit 13, and the ignition switch circuit unit 12 controls the on-off of the ignition charge-discharge circuit unit 13; the ignition charge and discharge circuit unit 13 is electrically connected with the primary coil 31 of the high-voltage pack 3, and is used for storing energy for the primary coil 31 of the high-voltage pack 3, and outputting ignition voltage by the secondary coil 32 of the high-voltage pack 3 after energy storage. The flame sensing end 22 of the detection control circuit module 2 is electrically connected with the sensing switch circuit unit 21, the sensing switch circuit unit 21 is electrically connected with the ignition switch circuit unit 12, and the sensing switch circuit unit 21 is used for controlling the ignition switch circuit unit 12 to be switched on and off according to the flame condition, so that the ignition charge and discharge circuit unit 13 is controlled to be switched on and off. The flame sensing tip 22 is an ignition pin electrically connected to the output of the high voltage pack.
The working principle of the embodiment is as follows: firstly, a power supply is switched on, at the moment, the stove has no flame, no ion current passes through an ignition needle, an induction switch circuit unit 21 controls a pilot switch circuit unit 12 to be conducted, a pilot charge-discharge circuit unit 13 is charged after the commercial power input end 14 is rectified by a rectifier circuit unit 11, the pilot charge-discharge circuit unit 13 discharges a primary coil 31 of a high-voltage bag 3 after being filled with the pilot charge-discharge circuit unit, namely, the high-voltage bag 3 is stored with energy, the pilot charge-discharge circuit unit 13 is continuously charged after the discharge is finished, the charge-discharge circuit unit is circulated and continuously charged, and the output end of a secondary coil of the high-; the ignition needle is connected with the output end lead of the secondary coil, so the ignition needle is continuously ignited until the stove generates flame.
When flame is generated, ion current passes through the ignition needle, the induction switch circuit unit 21 detects that the flame is ignited, and the induction switch circuit unit 21 controls the ignition switch circuit unit 12 to be closed, so that the ignition circuit module 1 automatically stops striking the flame.
The multifunctional lighting device is powerful in function, can automatically strike fire when no flame exists as long as the power supply is switched on, does not need manual striking of a user, is convenient and quick to use, and is high in user experience comfort level; after the flame is ignited, the ignition can be automatically stopped, and the circuit design is high in safety; the circuit of the embodiment has simple and ingenious design, the number of components required by the whole circuit design is small, the manufacturing cost of the product is greatly reduced, the occupied space is small, and the miniaturization design requirement of modern electronic products is met; the igniter produced by the embodiment does not need a groove cutting process, the production process is simplified, the labor intensity of workers is low, the production yield of enterprises is high, in addition, the product is attractive in appearance, and the popularization and the sale of the product are easy; this embodiment practicality is very strong, has the significance in flame detection technical field, can wide application in gas utensil technical field.
Example 2:
the ignition circuit comprises an ignition circuit module 1, a detection control circuit module 2 and a high-voltage pack 3;
the commercial power input end 14 of the ignition circuit module 1 is electrically connected with the ignition charge-discharge circuit unit 13 provided with the ignition switch circuit unit 12 after being rectified by the rectifying circuit unit 11, the voltage rectified by the rectifying circuit unit 11 is used for storing energy for the ignition charge-discharge circuit unit 13, and the ignition switch circuit unit 12 controls the on-off of the ignition charge-discharge circuit unit 13; the ignition charge and discharge circuit unit 13 is electrically connected with the primary coil 31 of the high-voltage pack 3, and is used for storing energy for the primary coil 31 of the high-voltage pack 3, and outputting ignition voltage by the secondary coil 32 of the high-voltage pack 3 after energy storage. The flame sensing end 22 of the detection control circuit module 2 is electrically connected with the sensing switch circuit unit 21, the sensing switch circuit unit 21 is electrically connected with the ignition switch circuit unit 12, and the sensing switch circuit unit 21 is used for controlling the ignition switch circuit unit 12 to be switched on and off according to the flame condition, so that the ignition charge and discharge circuit unit 13 is controlled to be switched on and off. The flame sensing tip 22 is an ignition pin electrically connected to the output of the high voltage pack. The input end of the induction switch circuit unit 21 is also electrically connected with a gas discharge tube V2 for protection, one end of the gas discharge tube V2 is electrically connected with the input end of the induction switch circuit unit 21, and the other end of the gas discharge tube V2 is grounded.
The commercial power input ends of the embodiment are SW2 and AC-N; the rectifier circuit unit 11 is a full-wave rectifier circuit, and includes a diode D1, a diode D8, a capacitor C15, a resistor R7, a resistor R4, a diode D1, a diode D8, and a rectifier circuit, wherein the capacitor C15 plays a role of voltage doubling, the resistor R7 is mainly used for discharging to the capacitor C15 after the power supply is cut off, and the resistor R4 plays a role of voltage division.
The ignition switch circuit unit 12 comprises an NPN type triode Q1, a voltage regulator tube D3 and a voltage dividing resistor R9; an E pole of the NPN type triode Q1 is electrically connected with one end of a capacitor C13 through a voltage dividing resistor R9, a B pole of the NPN type triode Q1 is electrically connected with the inductive switch circuit unit 21 through a voltage stabilizing tube D3, and a C pole of the NPN type triode Q1 is connected with an AC-N end of a zero line;
the ignition charge-discharge circuit unit 13 comprises a voltage dividing resistor R10, a diode D2 and a capacitor C13, wherein one end of the resistor R10 is electrically connected with an output node of the resistor R4; the other end of the resistor R10 is electrically connected with the cathode of the diode D2 and one end of the capacitor C13, the anode of the diode D2 is electrically connected with one end of the primary coil of the high-voltage pack, and the other end of the capacitor C13 and the other end of the primary coil are connected with the AC-N end of the zero line;
the inductive switch circuit unit 21 comprises a resistor R3, a resistor R6, a capacitor C16, a capacitor C21, a resistor R22, a capacitor C22, a resistor R24 and a junction field effect transistor Q5, wherein the resistor R3, the resistor R6, the resistor R22, the resistor R24 and the resistor R26 all have the function of voltage division; the capacitor C16 and the capacitor C22 play a role in filtering; the capacitor C21 is a voltage reduction capacitor and provides working power supply for the junction field effect transistor Q5. One end of the resistor R3 is electrically connected with an output node of the resistor R4, and the resistor R3 is electrically connected with the cathode end of the voltage regulator tube D3 through the resistor R6; one end of a capacitor C16 is electrically connected between a resistor R3 and a resistor R6, a connected node is net-Q5, the node is electrically connected with the 1 end of a junction field effect transistor Q5, the 2 end of the junction field effect transistor Q5 is electrically connected with one end of a high-voltage package secondary coil through a resistor R22 and a resistor R26, the two ends of 2 and 3 of the junction field effect transistor Q5 are connected with a resistor R24 in parallel, the two ends of the resistor R24 are connected with a capacitor C22 in parallel, and the 3 end of the junction field effect transistor Q5 is connected with the AC-N end of a zero line; two ends 2 and 3 of the JFET Q5 are a grid electrode and a source electrode, and an end 1 is a drain electrode; the gas discharge tube V2 is electrically connected to the input terminal of the inductive switch circuit unit 21, i.e., between the resistor R26 and the secondary winding, and the gas discharge tube V2 serves as a protection circuit to discharge excess voltage and increases the voltage difference between the output terminal of the secondary winding and the other output terminal of the secondary winding to increase the ignition intensity.
The working principle of the embodiment is as follows: firstly, a power supply is input from an SW2 and an AC-N mains supply input end, the stove has no flame at the moment, no ionic current passes through an ignition needle, and the JFET Q5 has high-conduction low-cut-off characteristics, so that the JFET Q5 is in a cut-off state at the moment; a power supply input from a mains supply input end is rectified by a rectifying circuit unit and then transmitted to a resistor 10 and a resistor R3, and at the moment, the power supply is divided into two paths; because the JFET Q5 is in a cut-off state, current and voltage passing through the resistor R3 are transmitted to the voltage regulator tube D3, the voltage is higher than reverse conducting voltage of the voltage regulator tube D3 at the moment, the voltage regulator tube D3 is conducted in a reverse direction, a B pole of the NPN type triode Q1 is electrified, and the NPN type triode Q1 is conducted due to the fact that working conditions are met; at this time, the ignition charge-discharge circuit unit 13 forms a loop, the voltage flowing through the resistor R10 is transmitted to the capacitor C13 to charge the capacitor C13, the capacitor C13 is full and then stores energy for the primary coil of the high-voltage pack through the diode D2, the capacitor C13 is charged and discharged continuously, the primary coil of the high-voltage pack stores energy continuously, and the secondary coil of the high-voltage pack does not ignite continuously until the flame of the cooker ignites.
When flame is generated, an ionic current passes through the ignition needle, the ionic circuit is transmitted to the 2 end of the JFET Q5 through the resistor R26 and the resistor R22, the JFET Q5 is in a conducting state due to the high-conducting and low-cut-off characteristics, the ionic current flows through the JFET Q5, the net-Q5 level is pulled down, the voltage regulator D3 does not meet the reverse conducting condition, the NPN type triode Q1 is in a cut-off state, the ignition charge-discharge circuit unit 13 does not form a loop, the circuit cannot work, and ignition is stopped.
The multifunctional lighting device is powerful in function, can automatically strike fire when no flame exists as long as the power supply is switched on, does not need manual striking of a user, is convenient and quick to use, and is high in user experience comfort level; after the flame is ignited, the ignition can be automatically stopped, and the circuit design is high in safety; the circuit of the embodiment has simple and ingenious design, the number of components required by the whole circuit design is small, the manufacturing cost of the product is greatly reduced, the occupied space is small, and the miniaturization design requirement of modern electronic products is met; the igniter produced by the embodiment does not need a groove cutting process, the production process is simplified, the labor intensity of workers is low, the production yield of enterprises is high, in addition, the product is attractive in appearance, and the popularization and the sale of the product are easy; this embodiment practicality is very strong, has the significance in flame detection technical field, can wide application in gas utensil technical field.
Example 3:
this embodiment designs two protection circuits based on embodiment 2. The protection circuit is a transient suppression diode V1 which is connected in parallel at the two ends 2 and 3 of the junction field effect transistor Q5 and plays a role in protection, and the over-high voltage breakdown type field effect transistor Q5 is prevented. The second protection circuit is electrically connected with a voltage stabilizing diode D4 on the output node of the resistor R4; the cathode end of the voltage-stabilizing diode D4 is electrically connected with the output node of the resistor R4, and the anode end of the voltage-stabilizing diode D4 is electrically connected with the AC-N end of the zero line. The zener diode D4 stabilizes the voltage at a fixed value, for example, the 180V zener diode stabilizes the voltage at 180V, and the voltage exceeds 180V and conducts reversely, thereby functioning as a protection circuit. In addition, the voltage stabilizing diode D4 also has the function of ensuring the consistent sparking frequency; in other words, since the zener diode D4 can stabilize the output node of the resistor R4 at a fixed value, even if different mains power is input, the firing frequency does not change due to the different mains power, and the firing frequency uniformity is high.
The number of the high voltage packets in this embodiment may be one or more.
In summary, the present invention is only a preferred embodiment, and is not intended to limit the scope of the present invention, and all equivalent changes and modifications in the shape, structure, characteristics and spirit of the claims of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a gas utensil is with ion flame detection control circuit that ignites which characterized in that: the ignition circuit module, the detection control circuit module and the high-voltage pack are included;
the commercial power input end of the ignition circuit module is electrically connected with the ignition charge-discharge circuit unit provided with the ignition switch circuit unit after being rectified by the rectifying circuit unit, the voltage rectified by the rectifying circuit unit is used for storing energy for the ignition charge-discharge circuit unit, and the ignition switch circuit unit controls the on-off of the ignition charge-discharge circuit unit; the ignition charge-discharge circuit unit is electrically connected with the primary coil of the high-voltage pack and used for storing energy for the primary coil of the high-voltage pack, and the secondary coil of the high-voltage pack outputs ignition voltage after energy storage;
the flame induction end of the detection control circuit module is electrically connected with the induction switch circuit unit, the induction switch circuit unit is electrically connected with the ignition switch circuit unit, and the induction switch circuit unit is used for controlling the ignition switch circuit unit to be switched on and off according to the flame condition.
2. The ionic flame ignition detection control circuit for a gas appliance according to claim 1, wherein: the rectifying circuit unit is a full-wave rectifying circuit.
3. The ionic flame ignition detection control circuit for a gas appliance according to claim 1, wherein: the ignition switch circuit unit is a switch circuit with a semiconductor triode Q1 as a core device.
4. The ionic flame ignition detection control circuit for a gas appliance according to claim 1, wherein: the ignition charging and discharging circuit unit comprises a diode D2 and a capacitor C13, the capacitor C13 is electrically connected with the rectifying circuit unit, the cathode end of the diode D2 is electrically connected with one end of a capacitor C13, the anode end of a diode D2 is electrically connected with a primary coil of the high-voltage pack, and the other end of the capacitor C13 is connected with the zero line AC-N end.
5. The ionic flame ignition detection control circuit for a gas appliance according to claim 1, wherein: the flame induction end is an ignition needle electrically connected with the output end of the high-voltage pack.
6. The ionic flame ignition detection control circuit for a gas appliance according to claim 1, wherein: the induction switch circuit unit is a switch circuit with a field effect transistor Q5 as a core device, and the on and off of the field effect transistor Q5 determine the on and off of the ignition switch circuit unit.
7. The ionic flame ignition detection control circuit for a gas appliance according to claim 6, wherein: a transient suppression diode V1 which plays a role in protection is connected in parallel between the grid and the source of the field effect transistor Q5.
8. The ionic flame ignition detection control circuit for a gas appliance according to claim 1, wherein: and the input end of the induction switch circuit unit is also electrically connected with a gas discharge tube V2 for protection, one end of the gas discharge tube V2 is electrically connected with the input end of the induction switch circuit unit, and the other end of the gas discharge tube V2 is connected with the ground.
9. The ionic flame ignition detection control circuit for a gas appliance according to claim 1, wherein: the output node of the rectifying circuit unit is also provided with a voltage stabilizing diode D4, the cathode end of the voltage stabilizing diode D4 is electrically connected with the output node of the rectifying circuit unit, and the anode end of the voltage stabilizing diode D4 is electrically connected with the AC-N end of the zero line.
10. The ionic flame ignition detection control circuit for a gas appliance according to claim 1, wherein: the number N of the high-voltage packages is more than or equal to 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020338325.1U CN211781225U (en) | 2020-03-18 | 2020-03-18 | Ion flame ignition detection control circuit for gas appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020338325.1U CN211781225U (en) | 2020-03-18 | 2020-03-18 | Ion flame ignition detection control circuit for gas appliance |
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| Publication Number | Publication Date |
|---|---|
| CN211781225U true CN211781225U (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020338325.1U Active CN211781225U (en) | 2020-03-18 | 2020-03-18 | Ion flame ignition detection control circuit for gas appliance |
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| CN (1) | CN211781225U (en) |
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- 2020-03-18 CN CN202020338325.1U patent/CN211781225U/en active Active
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