CN2622571Y - Igniting controller with shared needle for pulse igniting and fire detecting - Google Patents
Igniting controller with shared needle for pulse igniting and fire detecting Download PDFInfo
- Publication number
- CN2622571Y CN2622571Y CN 03231562 CN03231562U CN2622571Y CN 2622571 Y CN2622571 Y CN 2622571Y CN 03231562 CN03231562 CN 03231562 CN 03231562 U CN03231562 U CN 03231562U CN 2622571 Y CN2622571 Y CN 2622571Y
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- signal
- pulser
- controller
- comparator
- coupler
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Abstract
The utility model relates to a new ignition control, which uses a common electronic pulse ignition needle to ignite, induce and check whether the fire is burning to realize the control of automatic ignition and flameout protection. The main proposal is that the signal of the combustion head is delivered to a coupler through a pulse generator by an ignition check needle and then the coupler delivers the signal to the pulse generator and a comparator at the same time; the comparator compares the signal to the signal directly from the pulse generator and then delivers the signal to the control; the control feeds the signal back to the pulse generator and then outputs the flameout protection signal. Therefore, the utility model has the advantages of simple structure, reasonable disposition, high reliability and delicacy, as well as convenient practicality, better performance, manufacture and adjustment.
Description
Technical field
Whether the utility model relates to a kind of Gas appliance, especially relate to an a kind of shared electronic pulse ignition pin and light a fire and respond to flame detection and burn to realize the control novel ignition controller of igniting and blowout protection automatically.
Background technology
Electronic pulse ignition is a kind of main sparking mode of existing combustion gas tool.In order to solve the automatic ignition problem after burner stops working, people have proposed the multiple technical scheme that can detect automatically and light a fire, for example, someone has applied for the utility model patent of a kind of " combustion gas tool automatic ignition device " (98223386.8) by name, the port place that it ties up to the combustion gas tool is provided with igniting pin and sensing needle, described igniting pin is electrically connected with the high-voltage output end of high-voltage pulse generator, described sensing needle is electrically connected with the input of signal amplification circuit, the output termination electronic switch of described signal amplification circuit, the control end of the output termination high-voltage pulse generator of this electronic switch.It still is under the state of opening automatically to the combustion gas tool sparking at the flame-out but burnt gas valve of combustion gas tool makes and rekindles.And for example, the patent application of a kind of " the pulse firing controller that crosspointer flame detects " (99235878.7) by name, it includes CPU, signal deteching circuit, drive circuit, wherein the input of signal deteching circuit is connected with flame pin A, B in the water heater respectively, output all is connected with CPU, the input of drive circuit is connected with CPU, and output is connected with igniting pin in the water heater respectively and gas electromagnetic valve connects.Since the structure that it has adopted crosspointer flame to detect, not only provide protection to the water heater imperfect combustion, and also an ignition success rate is also higher.But igniting needle of the prior art is the differing needles that is arranged at burner with the detection pin.
Summary of the invention
The utility model mainly is that the ignition controller that solves existing band induction measuring ability all need be put the detection pin in addition, and structure is the technical problem of complexity etc. comparatively.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: the signal of described combustion head detects pin by sparking and transports to coupler through pulser; simultaneously signal is delivered to pulser and comparator by coupler; by comparator itself and the signal that directly comes from pulser are delivered to controller after relatively; and by controller with signal feedback to pulser, after be the blowout protection output signal again.
As preferably, described coupler constitutes like this: the end ground connection (burner housing) that neon tube (N) is in parallel with resistance (R); Detect the loop and be associated with the neon tube (N) and resistance (R) other end in parallel through high-tension coil, this end is connected to comparator through resistance (R '), is connected to pulser through capacitor C again, constitutes the coupler described in the technique scheme thus.
Therefore, the utlity model has simple in structure, connection and reasonable arrangement, reliability and sensitivity are higher, convenient and practical, function admirable, characteristics such as production, debugging are convenient.
Description of drawings
Accompanying drawing 1 is the block diagram of a kind of control circuit of the present utility model;
Accompanying drawing 2 is local circuit schematic diagrames of a kind of coupler in the utility model.
The specific embodiment
Below by embodiment and accompanying drawing, the technical solution of the utility model is described in further detail.
Embodiment: be provided with single sparking and detect pin 2 in that described combustion head 1 is other, and be connected to comparator 4 after causing pulser 3 by line; Also transport to coupler by the signal that combustion head 1 is obtained through pulser; simultaneously signal is delivered to pulser and comparator by coupler; by comparator itself and the signal that directly comes from pulser are delivered to controller after relatively; and by controller with signal feedback to pulser, the back is the blowout protection output signal.Wherein, constituting of described coupler 6: neon tube (N) end ground connection in parallel with resistance (R) is the burner housing, detect the loop and be associated with the neon tube (N) and resistance (R) other end in parallel through high-tension coil, this end is connected to comparator 4 through resistance (R '), is connected to pulser 3 through capacitor C again.
During use, igniting needle is in the pulsed discharge sparking, combustion head flame is done induction to be detected, high-tension coil through pulser 3 is coupled to the R-N coupler, wherein forms the loop by RN circuit and ground end, the potential change in this detections loop is owing to the sparking state and fire and fieryly change with the different of flameout state.The variation of this current potential is distinguished input comparator 4 and pulser 3 by coupling circuit.The real-time working state of reference pulser 3, again through the 4 pairs of normality current potentials of comparator relatively, distinguishing the different potentials of normal combustion whether or accident extinguishing, and input controller 5 realizes that through feeding back to pulser 3 accident extinguishings light a fire automatically.When if controller can't be finished normal ignition in the period of setting, export the blowout protection signal again and give peripheral performer, and send signal by alarm, what require that personnel on the scene suit deals with.
Claims (2)
1. a pulse firing detects the ignition controller of pin altogether with the combustion fire; comprise and be located at the pulser that the other sparking of combustion head detects pin and joins with it; comparator and controller; the signal that it is characterized in that described combustion head (1) is coupled to coupler (6) by sparking detection pin (2) through the high-tension coil of pulser (3); simultaneously signal is delivered to pulser (3) and comparator (4) by coupler; by comparator itself and the signal that directly comes from pulser (3) are delivered to controller (5) after relatively; and by controller (5) with signal feedback to pulser (3), after be the blowout protection output signal again.
2. pulse firing according to claim 1 and combustion fire detect the ignition controller of pin altogether, it is characterized in that what described coupler (6) constituted like this: neon tube (N) end ground connection in parallel with resistance (R) is the burner housing, detect the loop and be associated with the neon tube (N) and resistance (R) other end in parallel through high-tension coil, this end is connected to comparator (4) through resistance (R '), is connected to pulser (3) through capacitor C again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03231562 CN2622571Y (en) | 2003-05-24 | 2003-05-24 | Igniting controller with shared needle for pulse igniting and fire detecting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03231562 CN2622571Y (en) | 2003-05-24 | 2003-05-24 | Igniting controller with shared needle for pulse igniting and fire detecting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2622571Y true CN2622571Y (en) | 2004-06-30 |
Family
ID=34248228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03231562 Expired - Fee Related CN2622571Y (en) | 2003-05-24 | 2003-05-24 | Igniting controller with shared needle for pulse igniting and fire detecting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2622571Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101865477A (en) * | 2010-06-29 | 2010-10-20 | 浙江美大实业有限公司 | Power-down fireproof protection pulse igniter |
| CN109818505A (en) * | 2019-02-22 | 2019-05-28 | 珠海格力电器股份有限公司 | Single needle igniting inspection ignition circuit and the burnt gas wall hanging furnace using the circuit |
-
2003
- 2003-05-24 CN CN 03231562 patent/CN2622571Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101865477A (en) * | 2010-06-29 | 2010-10-20 | 浙江美大实业有限公司 | Power-down fireproof protection pulse igniter |
| CN101865477B (en) * | 2010-06-29 | 2011-11-30 | 浙江美大实业股份有限公司 | Power-down fireproof protection pulse igniter |
| CN109818505A (en) * | 2019-02-22 | 2019-05-28 | 珠海格力电器股份有限公司 | Single needle igniting inspection ignition circuit and the burnt gas wall hanging furnace using the circuit |
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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 |