CN2185846Y - Igniter with damp-roof safety function for water heater - Google Patents
Igniter with damp-roof safety function for water heater Download PDFInfo
- Publication number
- CN2185846Y CN2185846Y CN 94201422 CN94201422U CN2185846Y CN 2185846 Y CN2185846 Y CN 2185846Y CN 94201422 CN94201422 CN 94201422 CN 94201422 U CN94201422 U CN 94201422U CN 2185846 Y CN2185846 Y CN 2185846Y
- Authority
- CN
- China
- Prior art keywords
- magnetic valve
- igniter
- circuit
- generation circuit
- flame
- 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.)
- Expired - Fee Related
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model relates to an igniter with damp-proof safety function for water heaters, composed of a delay circuit, an electric spark generating circuit, a high voltage spray point, an amplifier, an electromagnetic valve, a switch, a flame induction needle, an igniter housing, a battery box, a flame signal generating circuit, an amplifying circuit, etc. The utility model has the functions of damp proofing and safety by making use of signal which is inducted by the flame induction needle to drive the electromagnetic valve via the flame signal generating circuit. When hazardous condition happens, the electromagnetic valve can be closed to cut off gas supply automatically, which ensures the safe utilization of the water heater.
Description
The utility model relates to a kind of igniter, the water heater igniter of the moistureproof security function of particularly a kind of tool.
As everyone knows, the working environment of water heater is normally moist, but water heater firing circuit on the market is under the ambient humidity condition with higher at present, no matter whether combustion gas lights, the signal terminal that makes moist can both produce same signal and safeguard the magnetic valve adhesive, this just following dangerous situation may occur: after full-automatic water heater starts, in case the high-tension ignition pin does not produce electric spark or other reason and fails in time to light combustion gas, but magnetic valve can be kept apneusis closing, combustion gas will seriously be leaked, and consequence is well imagined.In addition, if flame inductive needle cause with casing at transportation or other reasons is collided, and also above-mentioned dangerous situation will occur.
The purpose of this utility model is to avoid above-mentioned the deficiencies in the prior art part and provides a kind of dangerous situation that meets that magnetic valve cuts out voluntarily, cuts off the water heater igniter of the moistureproof security function of tool of gas supply.
The purpose of this utility model can reach by following measure: the utility model is by delay circuit, electric spark generation circuit, the electrion pin, amplifier, magnetic valve, switch, the flame inductive needle, igniter case, battery case, battery, it is characterized in that: also have flare up fire generation circuit, amplifying circuit, the output of delay circuit is leaded up to electric spark generation circuit and is delivered to the electrion pin, magnetic valve is delivered to by amplifier in another road, deliver to flare up fire generation circuit from the signal that the flame inductive needle is sensed, the output of flare up fire generation circuit is delivered to magnetic valve through amplifying circuit.
The purpose of this utility model can also reach by following measure: electronic circuit board is housed in the igniter case, and by the sense holding wire link to each other with the flame inductive needle, link to each other with spray point by the electrion ignition lead, join with switch, magnetic valve, battery case respectively by lead-out wire.The flame inductive needle joins with the base stage of triode BG5 by elementary winding, the resistance R 1 of transformer T1, the colelctor electrode of BG5 and the base stage of BG6 are joined, the colelctor electrode one tunnel of BG6 joins with the B coil of magnetic valve 5, another road joins by capacitor C 1 in diode D2, resistance R 3, R2 and the delay circuit, capacitor C 1 is also joined by the base stage of R2 and triode BG1, the base stage of the emitter-base bandgap grading of BG1 and triode BG2 is joined, and the A coil of the colelctor electrode of BG2 and magnetic valve 5 joins.
Fig. 1 is a functional-block diagram of the present utility model;
Fig. 2 is that structure of the present utility model connects figure;
Fig. 3 is an electrical schematic diagram of the present utility model.
The utility model is described in further detail below in conjunction with accompanying drawing (embodiment):
With reference to Fig. 1, Fig. 2, the utility model is made up of delay circuit 1, electric spark generation circuit 2, electrion pin 3, amplifier 4, magnetic valve 5, switch 6, flame inductive needle 7, igniter case 8, battery case 9, flare up fire generation circuit 10, amplifying circuit 11 etc., electronic circuit board 12 is housed in the igniter case 8, and link to each other with flame inductive needle 7 by the induced signal line, link to each other with spray point 3 by the electrion ignition lead, link to each other with switch 6, magnetic valve 5, battery case 9 respectively by lead-out wire.
With reference to Fig. 3, delay circuit comprises capacitor C 1, resistance R 2, R3 etc.; Electric spark generation circuit 2 comprises triode BG4, transformer T2, T3, triode D1, bilateral diode SR, controllable silicon SCR, capacitor C 2, C3 etc.; Amplifier 4 comprises triode BG1～BG3 etc.; Flare up fire generation circuit 10 comprises triode BG7, transformer T1, capacitor C 4 etc.; Amplifying circuit 11 comprises triode BG5, BG6, resistance R 5, diode D2 etc.
During real work, when the hot water valve of full-automatic water heater is opened, K switch is promptly closed, by the effect of capacitor C 2, only allows BG1, BG3, BG4 to work the several seconds; During this period, the A winding of magnetic valve obtains electric current from BG2, so combustion gas is connected in adhesive.The pin 3 of lighting a fire simultaneously produces the consecutive pulses electric spark combustion gas is lighted, burned flame burns on inductive needle 7, the signal that produces through transformer T1 charges to capacitor C 4, after a period of time, BG5, BG6 conducting, the B winding of magnetic valve obtains electric current from the output of BG6, keeps the adhesive of magnetic valve, makes water heater enter normal operating conditions automatically.
Because what transformer T1 produced is AC signal, in case flame does not form, inductive needle 7 make moist or bump shell cause with ground conducting, capacitor C 4 is with this class signal bypass, BG5 is input not, and magnetic valve B winding can not obtain electric current, and the electric current supply of A winding has only time several seconds, magnetic valve will cut out automatically, cut off gas supply.
Only the AC signal that T1 produces when flame really burns on inductive needle 7 can pass through flame, and obtain rectification and handle, make C4 two ends set up input voltage as BG5, magnetic valve B winding just obtains to keep electric current, this process reaction is speed very, promptly finished in 1 second.That is to say that the B winding can guarantee to obtain to keep electric current, makes magnetic valve keep adhesive before the A winding is cancelled the electric current supply.And, after the B winding obtains to keep electric current, make delay circuit work finish immediately, stop the work of electric spark generation circuit 2 and amplifier 4 simultaneously, water heater enters normal operating conditions.
The utility model has following advantage compared to existing technology:
1. have moistureproof security function, meet dangerous situation, magnetic valve can cut out voluntarily, cuts off gas supply, guarantees the safe handling of water heater.
2. the circuit advantages of simple is easy to use, and is safe and reliable, is applicable to various full-automatic water heaters.
Claims (3)
1, the water heater igniter of the moistureproof security function of a kind of tool, by delay circuit 1, electric spark generation circuit 2, electrion pin 3, amplifier 4, magnetic valve 5, switch 6, flame inductive needle 7, igniter case 8, battery case 9, battery E, it is characterized in that: also have flare up fire generation circuit 10, amplifying circuit 11, the output of delay circuit 1 is leaded up to electric spark generation circuit 2 and is delivered to electrion pin 3, magnetic valve 5 is delivered to by amplifier 4 in another road, deliver to flare up fire generation circuit 10 from the signal that flame inductive needle 7 is sensed, the output of flare up fire generation circuit 10 is delivered to magnetic valve 5 through amplifying circuit 11.
2, igniter according to claim 1, it is characterized in that: electronic circuit board 12 is housed in the igniter case 8, and by the sense holding wire link to each other with flame inductive needle 7, link to each other with spray point 3 by the electrion ignition lead, join with switch 6, magnetic valve 5, battery case 9 respectively by lead-out wire.
3, igniter according to claim 1, it is characterized in that: flame inductive needle 7 joins with the base stage of triode BG5 by elementary winding, the resistance R 1 of transformer T1, the colelctor electrode of BG5 and the base stage of BG6 are joined, colelctor electrode one tunnel and magnetic valve 5 and the B coil of BG6 join, another road joins by capacitor C 1 in diode D2, resistance R 3, R2 and the delay circuit 1, capacitor C 1 is also joined by the base stage of R2 and triode BG1, the base stage of the emitter-base bandgap grading of BG1 and triode BG2 is joined, and the A coil of the colelctor electrode of BG2 and magnetic valve 5 joins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94201422 CN2185846Y (en) | 1994-01-19 | 1994-01-19 | Igniter with damp-roof safety function for water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94201422 CN2185846Y (en) | 1994-01-19 | 1994-01-19 | Igniter with damp-roof safety function for water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2185846Y true CN2185846Y (en) | 1994-12-21 |
Family
ID=33821484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94201422 Expired - Fee Related CN2185846Y (en) | 1994-01-19 | 1994-01-19 | Igniter with damp-roof safety function for water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2185846Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112393276A (en) * | 2019-08-13 | 2021-02-23 | 广东百威电子有限公司 | Pulse ignition control method for gas appliance |
-
1994
- 1994-01-19 CN CN 94201422 patent/CN2185846Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112393276A (en) * | 2019-08-13 | 2021-02-23 | 广东百威电子有限公司 | Pulse ignition control method for gas appliance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |