CN104345221A - A circuit for detecting trigger high voltage triggering - Google Patents
A circuit for detecting trigger high voltage triggering Download PDFInfo
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- CN104345221A CN104345221A CN201310321045.4A CN201310321045A CN104345221A CN 104345221 A CN104345221 A CN 104345221A CN 201310321045 A CN201310321045 A CN 201310321045A CN 104345221 A CN104345221 A CN 104345221A
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Abstract
The embodiment of the invention discloses a circuit for detecting high-voltage triggering of a trigger, which comprises a power supply module, a high-voltage signal inductor, a signal amplification module, a control module and a display module, wherein the power supply module is respectively connected with the signal amplification module, the control module and the display module, the high-voltage signal inductor is close to the trigger, amplifies a detected high-voltage signal through a signal amplifier and then inputs the amplified high-voltage signal into the control module, and the control module controls the display module to display a signal detection result. By adopting the invention, after the high-voltage signal sensor is close to the trigger to acquire the high-voltage signal generated by the trigger, the signal amplifier amplifies the signal and controls the display module to display the detection result through the control module, thereby facilitating the operation of testers, improving the testing efficiency, detecting whether the trigger starts at high voltage or not without the need of the testers to be close to the trigger, and ensuring the personal safety.
Description
Technical field
The present invention relates to light fixture trigger field tests, particularly relating to a kind of for detecting the circuit that trigger high pressure triggers.
Background technology
Using maximum inside current illuminating industry is gas-discharge lamp, as Metal halogen lamp and sodium vapor lamp, in connection in a flash, utilize trigger to produce instantaneous pressure and give me a little bright light source, the transient voltage that trigger triggers is generally between high pressure 3KV-5KV for the power supply of gas-discharge lamp.In order to ensure tenure of use and the quality requirements of trigger, need reliability testing trigger carried out for a long time, frequently triggers, the elements such as trigger, Inductive ballast and electric capacity are connected circuit, and the output terminal of trigger disconnects, and allows trigger trigger for a long time.In trigger process, general is all obtain flip-flop output voltage by oscillograph, check whether that triggering is to determine whether trigger damages with this, such test mode complex operation, testing efficiency is low, and tester needs, often close to high pressure, may produce the potential safety hazard that high pressure gets an electric shock.
Summary of the invention
Embodiment of the present invention technical matters to be solved is, provide a kind of for detect trigger high pressure trigger circuit, can facilitate and safely detection triggers whether produce high pressure triggering.
In order to solve the problems of the technologies described above, embodiments provide a kind of for detecting the circuit that trigger high pressure triggers, comprise power module, high-voltage signal inductor, signal amplification module, control module and display module, described power module respectively with described signal amplification module, described control module is connected with described display module, described high-voltage signal inductor is near trigger and after amplifying the high-voltage signal detected by described signal amplifier, be input to described control module, described control module controls described display module display result of detection.
Wherein, described signal amplification module comprises triode, and the base stage of described triode is connected with described high-voltage signal inductor, and the collector of described triode is connected with described control module.
Wherein, described control module comprises bidirectional thyristor and relay, the T1 electrode of described bidirectional thyristor is connected with described power module, the T2 electrode of described bidirectional thyristor is connected with described relay, the control pole of described bidirectional thyristor is connected with the collector of described triode, the normally opened contact of described relay is connected with described display module, when the voltage of the collector of described triode changes, described bidirectional thyristor conducting, the normally opened contact of described relay closes, and described display module normally works and shows result of detection.
Wherein, described control module also comprises voltage stabilizing diode, and the anode of described voltage stabilizing diode is connected with the control pole of described bidirectional thyristor, and the negative electrode of described voltage stabilizing diode is connected with the collector of described triode.
Wherein, described control module also comprises the 3rd resistance, described 3rd resistant series between the control pole and the anode of voltage stabilizing diode of described bidirectional thyristor, for voltage stabilizing diode described in current-limiting protection.
Wherein, described display module comprises light emitting diode, and described light emitting diode is in parallel with bidirectional thyristor, and between the normally opened contact being series at described power module and described relay.
Wherein, described display module also comprises hummer, and described hummer is in parallel with described light emitting diode, and between the normally closed contact being series at described power module and described relay.
Wherein, the described circuit triggered for detecting trigger high pressure also comprises commutation diode, the negative pole of described commutation diode is connected between the T2 pole of described bidirectional thyristor and one end of described relay, and the positive pole of described commutation diode is connected with the other end of described relay.
Wherein, described high-voltage signal inductor comprises high-voltage signal sensor or induction of signal terminal.
Wherein, described power module comprises rectification module, and described rectification module is used for the alternating voltage of described power module input end reduce pressure and convert DC voltage to.
Implement the embodiment of the present invention, there is following beneficial effect: high-voltage signal inductor is after trigger obtains its high-voltage signal produced, signal amplifier amplifies this signal and controls by control module the display that display module carries out result of detection, facilitate the operation of tester, improve testing efficiency, and whether tester is without the need to having high pressure to set out near trigger and detectable trigger, ensured personal safety.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is that the present invention is for a kind of embodiment circuit diagram for detecting the circuit that trigger high pressure triggers.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Please refer to Fig. 1, for the present invention is for detecting the circuit diagram of a kind of embodiment of circuit of trigger high pressure triggering, comprise power module, high-voltage signal inductor J, signal amplification module, control module, display module and commutation diode, power module is connected with signal amplification module, control module and display module respectively, high-voltage signal inductor J is near trigger and after amplifying the high-voltage signal detected by signal amplifier, be input to control module, control module controls display module display result of detection.
In the present embodiment, high-voltage signal inductor J comprises high-voltage signal sensor or induction of signal terminal, high-voltage signal inductor J without the need to Trigger contact, only need by the induction end of high-voltage signal inductor near trigger, if trigger has high pressure to trigger, then high-voltage signal inductor J obtains this high-voltage signal by its induction end.Induction end is directly proportional to the voltage of trigger to the distance of trigger, general, if the voltage of high-voltage signal is between the scope of 3KV-5KV, then the distance of induction end and trigger can be within the scope of 10cm-80cm, if the voltage of high-voltage signal is greater than 5KV, then the distance of induction end and trigger can be within the scope of 80cm-150cm.
Power module is used for powering to light-emitting component and delay control circuit, and power module comprises power firestreak L, zero-power line N and rectification module, and rectification module is used for being reduced pressure by the alternating voltage of power module input end and converting DC voltage to.Rectification module comprises transformer T, bridge heap BD and stabilivolt IC, transformer T is used for the alternating voltage alternating voltage of 220V being converted to 12V, bridge heap BD is used for the DC voltage alternating voltage of 12V being converted to 12V, stabilivolt IC is three-terminal voltage-stabilizing pipe 7812, exportable galvanic current pressure, it comprises input end, earth terminal and output terminal.Transformer T and bridge heap BD is parallel to input end and the output terminal of power module, namely the two ends of transformer T are connected with power firestreak L and zero-power line N respectively, the electrode input end of bridge heap BD is connected with power firestreak L and zero-power line N respectively with negative input, and the cathode output end that BD piled by input end 1 and the bridge of stabilivolt IC is connected.Between the cathode output end that first electric capacity C1 is connected to bridge heap BD and cathode output end, the second electric capacity C2 is connected between the output terminal of stabilivolt IC and the cathode output end of bridge heap BD.Wherein, the first electric capacity C1 and the second electric capacity C2 is respectively used to filtering and absorption peak voltage.
In the present embodiment, signal amplification module comprises triode Q, the 4th resistance R4, the 5th resistance R5, the 6th resistance R6, the 3rd electric capacity C3 and the 4th electric capacity C4, the base stage of triode Q is connected with high-voltage signal inductor J by the 4th electric capacity C4, one end of 4th electric capacity C4 is connected with the base stage of triode Q, the other end is connected with one end of high-voltage signal inductor J and the 3rd electric capacity C3 respectively, the other end ground connection of the 3rd electric capacity C3; The collector of triode Q is connected with control module, and is connected with the output terminal of stabilivolt IC by the 4th resistance R4; One end of 5th resistance R5 is connected with the output terminal of stabilivolt, and the other end is connected with the base stage of triode Q; One end of 6th resistance R6 is connected with the base stage of triode Q, other end ground connection; The grounded emitter of triode Q.4th resistance R4, the 5th resistance R5 and the 6th resistance R6 mainly serve the effect of dividing potential drop, and the 3rd electric capacity C3 mainly plays filtering and absorption peak voltage, and the 4th electric capacity C4 is mainly used in filtering.
Control module comprise bidirectional thyristor SCR, relay K, voltage stabilizing diode Z and the 3rd resistance R3, bidirectional thyristor SCR T1 electrode be connected with power module, namely T1 electrode is connected with the output terminal of stabilivolt IC; The T2 electrode of bidirectional thyristor is connected with relay K; The control pole of bidirectional thyristor SCR is connected with the collector of triode Q, is specially: the anode of voltage stabilizing diode Z is connected with the control pole of bidirectional thyristor SCR, and the negative electrode of voltage stabilizing diode Z is connected with the collector of triode; 3rd resistance R3 is series between the control pole of bidirectional thyristor SCR and the anode of voltage stabilizing diode Z, for current-limiting protection voltage stabilizing diode Z.After voltage stabilizing diode Z place in circuit, if fluctuate, after voltage stabilizing diode Z reverse breakdown due to supply voltage, although electric current in very large range changes, but the change in voltage at voltage stabilizing diode Z two ends is very little, utilizes this characteristic, and stabilivolt can play voltage stabilizing break-make in circuit.
The normally opened contact K-1 of relay K is connected with display module, and when the voltage of the collector of triode Q changes, bidirectional thyristor SCR conducting, the normally opened contact K-1 of relay K closes, and display module normally works and shows result of detection.In the present embodiment, display module comprises LED and hummer SP, LED is in parallel with bidirectional thyristor SCR, and between the normally opened contact K-1 being series at power module and relay K, is namely series between the output terminal of stabilivolt IC and the normally opened contact K-1 of relay K; Hummer SP is in parallel with LED, and between the normally closed contact K-2 being series at power module and relay, is namely series between the output terminal of stabilivolt IC and the normally closed contact K-2 of relay K.
Between the T2 pole that the negative pole of commutation diode VD is connected to described bidirectional thyristor SCR and one end of relay K, the positive pole of commutation diode VD is connected with the other end of relay K, and commutation diode VD is for absorbing the peak-inverse voltage that when relay K obtains electric, contact action produces.
The course of work for the circuit detecting the triggering of trigger high pressure of the embodiment of the present invention is as follows:
Before the test begins, by the induction end of high-voltage signal inductor J near trigger to be detected, between the two apart from certain distance, after power module energising, 220V alternating voltage carries out step-down through transformer T and obtains 12V alternating voltage, and bridge heap BD carries out rectification to it to be made it to be converted to 12V DC voltage, and the first electric capacity C1 carries out filtering, again through the DC voltage of stabilivolt IC stable output, the second electric capacity C2 absorption peak voltage.
When trigger triggers without high pressure, when high-voltage signal inductor J inputs without high-voltage signal, the base stage of triode Q does not have voltage, can not conducting, bidirectional thyristor SCR control end no signal, relay K not conducting.When trigger produces high pressure triggering, high-voltage signal inductor J detects high-voltage signal, filtering is carried out and the 4th electric capacity C4 is coupled through the 3rd electric capacity C3,5th resistance R5 and the 6th resistance R6 carries out dividing potential drop, triode Q conducting, the base current domination set electrode current of triode Q amplifies, voltage stabilizing diode Z conducting, the control pole of bidirectional thyristor SCR obtains a trigger pulse and conducting, relay K obtains electric, the normally opened contact K-1 adhesive of relay K, makes light emitting diode LED light, and display high pressure triggers normal; When trigger fault or when stopping triggering, high-voltage signal inductor J just can not detect high-voltage signal, thus triode Q is ended, and voltage stabilizing diode Z can not reverse-conducting, the control pole triggerless pulse of bidirectional thyristor SCR, relay K power-off, normally opened contact K-1 disconnects, and light emitting diode LED extinguishes, indicate and to trigger without high pressure, normally closed contact K-2 closes simultaneously, and hummer SP conducting is reported to the police, and notifies that tester's trigger breaks down.
The circuit for detecting the triggering of trigger high pressure of the embodiment of the present invention, get trigger by high-voltage signal inductor and trigger the high-voltage signal produced, be transported to the base stage of triode and domination set electrode amplifying signal, control being turned on or off of bidirectional thyristor, then pilot relay and light emitting diode or hummer, thus detect and notify whether tester has high pressure to trigger, this circuit is simple, reliably, solve and directly need not contact the problem just judging whether to have high pressure to trigger with high-voltage signal, facilitate the operation of tester, improve testing efficiency, and whether tester is without the need to having high pressure to set out near trigger and detectable trigger, ensure personal safety.
Above disclosedly be only present pre-ferred embodiments, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the claims in the present invention are done, still belong to the scope that the present invention is contained.
Claims (10)
1. one kind for detect trigger high pressure trigger circuit, it is characterized in that, comprise power module, high-voltage signal inductor, signal amplification module, control module and display module, described power module is connected with described signal amplification module, described control module and described display module respectively, described high-voltage signal inductor is near trigger and after amplifying the high-voltage signal detected by described signal amplifier, be input to described control module, described control module controls described display module display result of detection.
2. as claimed in claim 1 for detecting the circuit that trigger high pressure triggers, it is characterized in that, described signal amplification module comprises triode, and the base stage of described triode is connected with described high-voltage signal inductor, and the collector of described triode is connected with described control module.
3. as claimed in claim 2 for detecting the circuit that trigger high pressure triggers, it is characterized in that, described control module comprises bidirectional thyristor and relay, the T1 electrode of described bidirectional thyristor is connected with described power module, the T2 electrode of described bidirectional thyristor is connected with described relay, the control pole of described bidirectional thyristor is connected with the collector of described triode, the normally opened contact of described relay is connected with described display module, when the voltage of the collector of described triode changes, described bidirectional thyristor conducting, the normally opened contact of described relay closes, described display module normally works and shows result of detection.
4. as claimed in claim 3 for detecting the circuit that trigger high pressure triggers, it is characterized in that, described control module also comprises voltage stabilizing diode, the anode of described voltage stabilizing diode is connected with the control pole of described bidirectional thyristor, and the negative electrode of described voltage stabilizing diode is connected with the collector of described triode.
5. as claimed in claim 4 for detecting the circuit that trigger high pressure triggers; it is characterized in that; described control module also comprises the 3rd resistance, described 3rd resistant series between the control pole and the anode of voltage stabilizing diode of described bidirectional thyristor, for voltage stabilizing diode described in current-limiting protection.
6. as claimed in claim 5 for detecting the circuit that trigger high pressure triggers, it is characterized in that, described display module comprises light emitting diode, and described light emitting diode is in parallel with bidirectional thyristor, and between the normally opened contact being series at described power module and described relay.
7. as claimed in claim 6 for detecting the circuit that trigger high pressure triggers, it is characterized in that, described display module also comprises hummer, and described hummer is in parallel with described light emitting diode, and between the normally closed contact being series at described power module and described relay.
8. as claimed in claim 7 for detecting the circuit that trigger high pressure triggers, it is characterized in that, also comprise commutation diode, the negative pole of described commutation diode is connected between the T2 pole of described bidirectional thyristor and one end of described relay, and the positive pole of described commutation diode is connected with the other end of described relay.
9. the circuit for detecting the triggering of trigger high pressure according to any one of claim 1 to 8, it is characterized in that, described high-voltage signal inductor comprises high-voltage signal sensor or induction of signal terminal.
10., as claimed in claim 9 for detecting the circuit that trigger high pressure triggers, it is characterized in that, described power module comprises rectification module, and described rectification module is used for the alternating voltage of described power module input end reduce pressure and convert DC voltage to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310321045.4A CN104345221A (en) | 2013-07-26 | 2013-07-26 | A circuit for detecting trigger high voltage triggering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310321045.4A CN104345221A (en) | 2013-07-26 | 2013-07-26 | A circuit for detecting trigger high voltage triggering |
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| CN104345221A true CN104345221A (en) | 2015-02-11 |
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| CN201310321045.4A Pending CN104345221A (en) | 2013-07-26 | 2013-07-26 | A circuit for detecting trigger high voltage triggering |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105071370A (en) * | 2015-07-21 | 2015-11-18 | 重庆市亚东亚集团变压器有限公司 | Quick self-triggering damping resistor protection device |
| CN110854398A (en) * | 2019-11-05 | 2020-02-28 | 中国工程物理研究院电子工程研究所 | Passive thermal battery activation device |
-
2013
- 2013-07-26 CN CN201310321045.4A patent/CN104345221A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105071370A (en) * | 2015-07-21 | 2015-11-18 | 重庆市亚东亚集团变压器有限公司 | Quick self-triggering damping resistor protection device |
| CN110854398A (en) * | 2019-11-05 | 2020-02-28 | 中国工程物理研究院电子工程研究所 | Passive thermal battery activation device |
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Application publication date: 20150211 |
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