CN104019461B - There is the firing circuit of flash for prompting function - Google Patents
There is the firing circuit of flash for prompting function Download PDFInfo
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- CN104019461B CN104019461B CN201410226707.4A CN201410226707A CN104019461B CN 104019461 B CN104019461 B CN 104019461B CN 201410226707 A CN201410226707 A CN 201410226707A CN 104019461 B CN104019461 B CN 104019461B
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Abstract
The firing circuit with flash for prompting function of the present invention, comprise and exchange multiplier stage and sparking output stage, described interchange multiplier stage is connected by high-voltage line is corresponding with low-voltage line with sparking output stage, described low-voltage line ground connection; Described interchange multiplier stage is made up of times voltage capacitance of parallel connection and half-bridge circuit; Described sparking output stage is made up of transformer, charging paths and RC branch road, also comprises flash for prompting circuit.The flash for prompting circuit that the firing circuit with flash for prompting function of the present invention is electrically connected with sparking electrode by setting, user can the luminous situation of visual observations light emitting diode, thus judge that whether sparking is successful, improve the security in sparking process.
Description
Technical field
The present invention relates to field of electronic devices, particularly, relate to a kind of firing circuit with flash for prompting function.
Background technology
At present at gas furnace, gas water heater generally use electronic ignition electrode to ignite combustion gas as igniter, when after use a period of time because sparking electrode gets rusty ageing of performance, or the dielectric constant of air change that north-south climate or calendar variation cause, sparking electrode both end voltage may be caused to be not enough to puncture air and to produce spark.
In order to design for aesthetic, sparking electrode is usually built-in, whether user cannot see when striking sparks has spark to produce, microphonia when simultaneously striking sparks, when environmental noise is comparatively large or user is the old man of have no ear for, be also difficult to hear when striking sparks successfully, therefore user is when carrying out sparking operation, whether be successfully difficult to intuitive judgment sparking, may gas leak be caused.
Summary of the invention
Sparking whether successfully technological deficiency cannot be judged for overcoming prior art ignition device, the invention discloses a kind of firing circuit with flash for prompting function.
The firing circuit with flash for prompting function of the present invention, comprise and exchange multiplier stage and sparking output stage, described interchange multiplier stage is connected by high-voltage line is corresponding with low-voltage line with sparking output stage, described low-voltage line ground connection;
Described interchange multiplier stage is made up of times voltage capacitance of parallel connection and half-bridge circuit, and described half-bridge circuit is made up of first diode of connecting, the second diode, and described times of voltage capacitance is made up of first electric capacity of connecting, the second electric capacity; The common port of described first diode and the second diode, the first electric capacity and the second electric capacity is respectively with input live wire end with input zero line side and be connected; Described sparking output stage is made up of transformer, charging paths and RC branch road, described RC props up route and is connected on the first resistance between high-voltage line and low-voltage line and the 3rd electric capacity composition, described 3rd electric capacity connects low-voltage line, described charging paths is made up of silicon-controlled device and two-way avalanche diode, described two-way avalanche diode is connected to silicon-controlled device base stage and between the first resistance and the 3rd electric capacity common port, the emitter and collector of described silicon-controlled device connects low-voltage line and transformer primary side first input end respectively, and transformer primary side second output connects high-voltage line;
Also comprise flash for prompting circuit, described flash for prompting circuit forms compared with the delay electric capacity between electronegative potential sparking electrode and low-voltage line and light branch road by being connected in parallel on, and described light props up Zener diode, light emitting diode and the first current-limiting resistance composition that route is connected.
Preferably, described interchange multiplier stage also comprises the filter capacitor be connected between input live wire end and input nil segment, and described input live wire end and/or input zero line side are also in series with fuse resistor.
Preferably, described transformer primary side second output connects high-voltage line by the second current-limiting resistance.
The firing circuit with flash for prompting function of the present invention, by arranging the flash for prompting circuit be electrically connected with sparking electrode, user can the luminous situation of visual observations light emitting diode, thus judges sparking whether success, improves the security in sparking process.
Accompanying drawing explanation
Fig. 1 is a kind of detailed description of the invention schematic diagram of the present invention;
Mark and corresponding parts title in accompanying drawing: RF-fuse resistor, C1-first electric capacity, C2-second electric capacity, C3-the 3rd electric capacity, C4-filter capacitor, C5-postpones electric capacity R1-first resistance, R2-second resistance, R3-second current-limiting resistance, R4-first current-limiting resistance, D1-first diode, D2-second diode, D3-silicon-controlled device, D4-Zener diode, D5-light emitting diode, T-transformer, the two-way avalanche diode of VS1-, AC-ac input end.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, to the detailed description further of the present invention's do, but embodiments of the present invention are not limited thereto.
The firing circuit with flash for prompting function of the present invention, comprise and exchange multiplier stage and sparking output stage, described interchange multiplier stage is connected by high-voltage line is corresponding with low-voltage line with sparking output stage, described low-voltage line ground connection; Described interchange multiplier stage is made up of times voltage capacitance of parallel connection and half-bridge circuit, and described half-bridge circuit is made up of first diode of connecting, the second diode, and described times of voltage capacitance is made up of first electric capacity of connecting, the second electric capacity; The common port of described first diode and the second diode, the first electric capacity and the second electric capacity is respectively with input live wire end with input zero line side and be connected; Described sparking output stage is made up of transformer, charging paths and RC branch road, described RC props up route and is connected on the first resistance between high-voltage line and low-voltage line and the 3rd electric capacity composition, described 3rd electric capacity connects low-voltage line, described charging paths is made up of silicon-controlled device and two-way avalanche diode, described two-way avalanche diode is connected to silicon-controlled device base stage and between the first resistance and the 3rd electric capacity common port, the emitter and collector of described silicon-controlled device connects low-voltage line and transformer primary side first input end respectively, and transformer primary side second output connects high-voltage line; Also comprise flash for prompting circuit, described flash for prompting circuit forms compared with the delay electric capacity between electronegative potential sparking electrode and low-voltage line and light branch road by being connected in parallel on, and described light props up Zener diode, light emitting diode and the first current-limiting resistance composition that route is connected.
From AC input to input power frequency 220V civil power, through the half-bridge voltage-multiplying circuit multiplication of voltage that is made up of the first diode D1 and the second diode D2 and the first electric capacity C1, the second electric capacity C2 and after rectification, in theory in the upper end of the first electric capacity C1, namely high-voltage line can obtain the DC voltage of about 500V, considers loss in reality, the DC voltage of more than 400V can be obtained, accordingly, D1, D2, C1, C2 should select the resistance to voltage device of the above-mentioned high pressure of ability.
Two-way avalanche diode VS1, silicon-controlled device D3, RC branch road composition rectilinear oscillation loop, after high-voltage line obtains 400V-500V DC voltage, charge to the 3rd electric capacity C3 by the second resistance R2, charging current limit by R2, the rising of C3 terminal voltage, when rising to the breakdown voltage of VS1, silicon-controlled device D3 conducting, causes voltage acute variation at transformer primary side, thus induces high pressure at transformer secondary, at two sparking electrode F1, between F2, produce spark.The voltage simultaneously exchanging multiplier stage is released by VS1, D3 of conducting and transformer primary side, rear two-way avalanche diode of having released turns off, disappear after spark certain time, charging process is continued after disappearance, form periodically charging process, this cycle duration is such as to C1=C2=C3=0.1 microfarad, and R1=470K, is approximately about 30 milliseconds.
In charging sparking process, successfully striking sparks each time, meaning strikes sparks between electrode F1 and F2 forms of short duration current path, charge namely to the delay electric capacity C5 of flash for prompting branch road, the capacitance of C5 is usually very little, general peek ten is to hundreds of flying method, once C5 is full of, because sparking magnitude of voltage is very high, usually much larger than the breakdown reverse voltage of Zener diode D4, after D4 punctures, make light emitting diode D5 conducting luminous, because the capacitance of C5 own is less, be not enough to support D5 discharge for a long time, D5 strikes sparks successfully with blinking form prompting user, certain electricity is put aside in the effect of C5, the scintillation time maintaining D5 is enough to be arrived by human eye observation.The effect of R4 is the electric current limiting light branch road, and avoid light emitting diode to transship, usual value is tens of kilo-ohms of ranks.
Preferably, described interchange multiplier stage also comprises the filter capacitor be connected between input live wire end and input nil segment, and described input live wire end and/or input zero line side are also in series with fuse resistor.Filter capacitor is filtering city electrical transmission and takes off issuable high frequency spurs in process, about fuse resistor plays big current fuse protection.For avoiding the sudden high currents of sparking output stage in induced voltage process, can connect at transformer primary side second output, connecting high-voltage line by current-limiting resistance.
As mentioned above, the present invention can be realized preferably.
Claims (3)
1. have the firing circuit of flash for prompting function, comprise and exchange multiplier stage and sparking output stage, described interchange multiplier stage is connected by high-voltage line is corresponding with low-voltage line with sparking output stage, described low-voltage line ground connection;
It is characterized in that, described interchange multiplier stage is made up of times voltage capacitance of parallel connection and half-bridge circuit, and described half-bridge circuit is made up of first diode of connecting, the second diode, and described times of voltage capacitance is made up of first electric capacity of connecting, the second electric capacity; The common port of described first diode and the second diode, the first electric capacity and the second electric capacity is respectively with input live wire end with input zero line side and be connected; Described sparking output stage is made up of transformer, charging paths and RC branch road, described RC props up route and is connected on the first resistance between high-voltage line and low-voltage line and the 3rd electric capacity composition, described 3rd electric capacity connects low-voltage line, described charging paths is made up of silicon-controlled device and two-way avalanche diode, described two-way avalanche diode is connected to silicon-controlled device base stage and between the first resistance and the 3rd electric capacity common port, the emitter and collector of described silicon-controlled device connects low-voltage line and transformer primary side first input end respectively, and transformer primary side second output connects high-voltage line;
Also comprise flash for prompting circuit, described flash for prompting circuit forms compared with the delay electric capacity between electronegative potential sparking electrode and low-voltage line and light branch road by being connected in parallel on, and described light props up Zener diode, light emitting diode and the first current-limiting resistance composition that route is connected.
2. the firing circuit with flash for prompting function according to claim 1, it is characterized in that, described interchange multiplier stage also comprises the filter capacitor be connected between input live wire end and input nil segment, and described input live wire end and/or input zero line side are also in series with fuse resistor.
3. the firing circuit with flash for prompting function according to claim 1, is characterized in that, described transformer primary side second output connects high-voltage line by the second current-limiting resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410226707.4A CN104019461B (en) | 2014-05-27 | 2014-05-27 | There is the firing circuit of flash for prompting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410226707.4A CN104019461B (en) | 2014-05-27 | 2014-05-27 | There is the firing circuit of flash for prompting function |
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| Publication Number | Publication Date |
|---|---|
| CN104019461A CN104019461A (en) | 2014-09-03 |
| CN104019461B true CN104019461B (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410226707.4A Active CN104019461B (en) | 2014-05-27 | 2014-05-27 | There is the firing circuit of flash for prompting function |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2069673A (en) * | 1980-02-18 | 1981-08-26 | Benedetti L | Cigarette lighter |
| JPH09178181A (en) * | 1995-12-26 | 1997-07-11 | Yokogawa Denshi Kiki Kk | Capacity discharge type igniter |
| CN2606267Y (en) * | 2003-03-20 | 2004-03-10 | 陈晓武 | Flash lighter |
| CN203848328U (en) * | 2014-05-27 | 2014-09-24 | 国网四川省电力公司成都市新都供电分公司 | Ignition circuit with twinkling prompting function |
-
2014
- 2014-05-27 CN CN201410226707.4A patent/CN104019461B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2069673A (en) * | 1980-02-18 | 1981-08-26 | Benedetti L | Cigarette lighter |
| JPH09178181A (en) * | 1995-12-26 | 1997-07-11 | Yokogawa Denshi Kiki Kk | Capacity discharge type igniter |
| CN2606267Y (en) * | 2003-03-20 | 2004-03-10 | 陈晓武 | Flash lighter |
| CN203848328U (en) * | 2014-05-27 | 2014-09-24 | 国网四川省电力公司成都市新都供电分公司 | Ignition circuit with twinkling prompting function |
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| Publication number | Publication date |
|---|---|
| CN104019461A (en) | 2014-09-03 |
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