CN205427029U - Circuit is tested to non -contact high pressure - Google Patents
Circuit is tested to non -contact high pressure Download PDFInfo
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- CN205427029U CN205427029U CN201620224772.8U CN201620224772U CN205427029U CN 205427029 U CN205427029 U CN 205427029U CN 201620224772 U CN201620224772 U CN 201620224772U CN 205427029 U CN205427029 U CN 205427029U
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- 230000001960 triggered effect Effects 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 abstract 1
- 230000003287 optical effect Effects 0.000 abstract 1
- 230000009466 transformation Effects 0.000 abstract 1
- 230000005684 electric field Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000013078 crystal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model relates to a circuit is tested to non -contact high pressure. Including bridge type rectifier circuit, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, trigger diode, triode Q1, triode Q2, switching relay, block relay, an emitting diode, the 2nd emitting diode, optical coupler, comparator, microprocessor and the source transformation ware that is connected to the voltage sense ware. The utility model discloses not only reach the purpose that also can instruct high -tension apparatus electrified under the condition of non -transformer, not only can instruct high -tension apparatus whether electrified under the active condition simultaneously, but also export the high -tension apparatus blocking signal simultaneously.
Description
Technical field
This utility model relates to a kind of non-contact type high-voltage detecting circuit.
Background technology
The noncontacting proximity sensor (i.e. inductosyn) occurred at present uses the principle of sensing high voltage electric field signal, receives the electric field signal of electrical body, then the electric field signal of reception is sent to controller, the most charged by controller display high pressure equipment.The controller of current this noncontacting proximity sensor is required to working power and could work, and under at powering-off state, this noncontacting proximity sensor then cannot judge that high pressure equipment is the most charged.
Summary of the invention
The purpose of this utility model is to provide a kind of can indicate the most charged non-contact type high-voltage detecting circuit of high pressure equipment either with or without working power.
For achieving the above object, the technical solution of the utility model is: a kind of non-contact type high-voltage detecting circuit, including being connected to the bridge rectifier of voltage sensor, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, diac, audion Q1, audion Q2, switching relay, locking relay, the first light emitting diode, the second light emitting diode, photo-coupler, comparator, microprocessor and supply convertor；The DC output end positive pole of described bridge rectifier is respectively connecting to one end of resistance R1, one end of electric capacity C1 and the colelctor electrode of audion Q1；The other end of described resistance R1 is connected to one end of electric capacity C2, and the other end of described resistance R1 is also triggered diode and is connected to the base stage of audion Q1；The emitter stage of described audion Q1 connects the intermediate contact of switching relay；The normally closed contact of described switching relay is connected to one end of the first light emitting diode；The input negative terminal of the other end of described electric capacity C1, the other end of electric capacity C2, the other end of the first light emitting diode and photo-coupler is connected to the DC output end negative pole of bridge rectifier；The normal opened contact of described switching relay connects the input anode of photo-coupler；The output plus terminal of described photo-coupler connects one end of electric capacity C3, one end of resistance R2 and the normal phase input end of comparator respectively, and the output negative terminal of described photo-coupler connects the 0V outfan of the other end of electric capacity C3, one end of resistance R4, the emitter stage of audion Q2, one end of switching relay, one end of electric capacity C4 and supply convertor respectively；The inverting input of described comparator connects one end and the other end of resistance R4 of resistance R3 respectively；The other end of the other end of described resistance R2, the other end of resistance R3, one end of resistance R5, one end of resistance R6, one end of locking relay, the other end of switching relay and electric capacity C4 is connected to the+5V outfan of supply convertor；The described other end of resistance R5 and the outfan of comparator are connected to the input of microprocessor；First outfan of described microprocessor is connected to the other end of resistance R6 through the second light emitting diode, and the second outfan of described microprocessor is connected to the base stage of audion Q2 through resistance R7；The other end of described locking relay is connected to the colelctor electrode of audion Q2；The input of described supply convertor is connected to alternating current 220V.
Compared to prior art, this utility model has the advantages that this utility model not only to reach in the case of power free also to indicate the purpose that high pressure equipment is charged, high pressure equipment not only can be indicated in the case of active whether charged simultaneously, but also output high pressure equipment block signal simultaneously.
Accompanying drawing explanation
Fig. 1 is non-contact type high-voltage detecting electrical block diagram of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings, the technical solution of the utility model is specifically described.
A kind of non-contact type high-voltage detecting circuit of the present utility model, including being connected to the bridge rectifier of voltage sensor, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, diac, audion Q1, audion Q2, switching relay, locking relay, the first light emitting diode, the second light emitting diode, photo-coupler, comparator, microprocessor and supply convertor；The DC output end positive pole of described bridge rectifier is respectively connecting to one end of resistance R1, one end of electric capacity C1 and the colelctor electrode of audion Q1；The other end of described resistance R1 is connected to one end of electric capacity C2, and the other end of described resistance R1 is also triggered diode and is connected to the base stage of audion Q1；The emitter stage of described audion Q1 connects the intermediate contact of switching relay；The normally closed contact of described switching relay is connected to one end of the first light emitting diode；The input negative terminal of the other end of described electric capacity C1, the other end of electric capacity C2, the other end of the first light emitting diode and photo-coupler is connected to the DC output end negative pole of bridge rectifier；The normal opened contact of described switching relay connects the input anode of photo-coupler；The output plus terminal of described photo-coupler connects one end of electric capacity C3, one end of resistance R2 and the normal phase input end of comparator respectively, and the output negative terminal of described photo-coupler connects the 0V outfan of the other end of electric capacity C3, one end of resistance R4, the emitter stage of audion Q2, one end of switching relay, one end of electric capacity C4 and supply convertor respectively；The inverting input of described comparator connects one end and the other end of resistance R4 of resistance R3 respectively；The other end of the other end of described resistance R2, the other end of resistance R3, one end of resistance R5, one end of resistance R6, one end of locking relay, the other end of switching relay and electric capacity C4 is connected to the+5V outfan of supply convertor；The described other end of resistance R5 and the outfan of comparator are connected to the input of microprocessor；First outfan of described microprocessor is connected to the other end of resistance R6 through the second light emitting diode, and the second outfan of described microprocessor is connected to the base stage of audion Q2 through resistance R7；The other end of described locking relay is connected to the colelctor electrode of audion Q2；The input of described supply convertor is connected to alternating current 220V.
It it is below specific embodiment.
As shown in Figure 1, non-contact type high-voltage detecting circuit of the present utility model, including being connected to the bridge rectifier of voltage sensor, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, diac D5, audion Q1, audion Q2, switching relay J2, locking relay J1, the first light emitting diode DS1, the second light emitting diode DS2, photo-coupler B1, comparator U1, Micro-processor MCV and supply convertor W1；The DC output end positive pole of described bridge rectifier is respectively connecting to one end of resistance R1, one end of electric capacity C1 and the colelctor electrode of audion Q1；The other end of described resistance R1 is connected to one end of electric capacity C2, and the other end of described resistance R1 is also triggered diode D5 and is connected to the base stage of audion Q1；The emitter stage of described audion Q1 connects the intermediate contact J20 of switching relay J2；The normally closed contact J21 of described switching relay J2 is connected to one end of the first light emitting diode DS1；The input negative terminal of the other end of described electric capacity C1, the other end of electric capacity C2, the other end of the first light emitting diode DS1 and photo-coupler B1 is connected to the DC output end negative pole of bridge rectifier；The normal opened contact J22 of described switching relay J2 connects the input anode of photo-coupler B1；The output plus terminal of described photo-coupler B1 connects one end of electric capacity C3, one end of resistance R2 and the normal phase input end of comparator U1 respectively, and the output negative terminal of described photo-coupler B1 connects the 0V outfan of the other end of electric capacity C3, one end of resistance R4, the emitter stage of audion Q2, one end of switching relay J2, one end of electric capacity C4 and supply convertor W1 respectively；The inverting input of described comparator U1 connects one end and the other end of resistance R4 of resistance R3 respectively；The other end of the other end of described resistance R2, the other end of resistance R3, one end of resistance R5, one end of resistance R6, one end of locking relay J1, the other end of switching relay J2 and electric capacity C4 is connected to the+5V outfan of supply convertor W1；The other end of described resistance R5 and the outfan of comparator U1 are connected to the input of Micro-processor MCV；First outfan of described Micro-processor MCV is connected to the other end of resistance R6 through the second light emitting diode DS2, and the second outfan of described Micro-processor MCV is connected to the base stage of audion Q2 through resistance R7；The other end of described locking relay J1 is connected to the colelctor electrode of audion Q2；The input of described supply convertor is connected to alternating current 220V.
Use above circuit structure, bridge rectifier receives the voltage signal of voltage sensor sensing, after bridge rectifier rectification, output electric current charges to electric capacity C1, by resistance R1, electric capacity C2 is charged simultaneously, when the electricity in electric capacity C2 enough triggers diac D5, electric capacity C2 exports electric current by diac D5 to the base stage of crystal triode Q1, and crystal triode Q1 turns on；When without working power, light emitting diode DS1 is discharged by electric capacity C1 by the intermediate contact J20 and normally closed contact J21 of switching relay J2, light emitting diode DS1 lights, when electric capacity C1 discharge off, light emitting diode DS1 extinguishes, electric capacity C1 and electric capacity C2 is repeated continuously above work process, and light emitting diode DS1 flashes, thus reaches the purpose indicating high pressure equipment charged.When there being working power (power supply is inputted by power supply changeover device), intermediate contact J20 and the normal opened contact J22 conducting of switching relay J2, photo-coupler B1 is discharged by electric capacity C1, the outfan of photo-coupler B1 produces the normal phase input end of pulse signal input comparator U1, comparator U1 outputs signal to the input I1 mouth of Micro-processor MCV, Micro-processor MCV through judge except interference process after export " having electricity " signal, light light emitting diode DS2 be also turned on locking relay J1 reach " having electricity " display and locking purpose.
This utility model uses above structure, not only reaches the purpose that high pressure equipment also can be indicated in the case of power free charged, high pressure equipment not only can be indicated whether charged in the case of active simultaneously, but also output high pressure equipment block signal simultaneously.
It is above preferred embodiment of the present utility model, all changes made according to technical solutions of the utility model, when produced function is without departing from the scope of technical solutions of the utility model, belong to protection domain of the present utility model.
Claims (1)
1. a non-contact type high-voltage detecting circuit, it is characterised in that: include being connected to the bridge rectifier of voltage sensor, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, diac, audion Q1, audion Q2, switching relay, locking relay, the first light emitting diode, the second light emitting diode, photo-coupler, comparator, microprocessor and supply convertor；The DC output end positive pole of described bridge rectifier is respectively connecting to one end of resistance R1, one end of electric capacity C1 and the colelctor electrode of audion Q1；The other end of described resistance R1 is connected to one end of electric capacity C2, and the other end of described resistance R1 is also triggered diode and is connected to the base stage of audion Q1；The emitter stage of described audion Q1 connects the intermediate contact of switching relay；The normally closed contact of described switching relay is connected to one end of the first light emitting diode；The input negative terminal of the other end of described electric capacity C1, the other end of electric capacity C2, the other end of the first light emitting diode and photo-coupler is connected to the DC output end negative pole of bridge rectifier；The normal opened contact of described switching relay connects the input anode of photo-coupler；The output plus terminal of described photo-coupler connects one end of electric capacity C3, one end of resistance R2 and the normal phase input end of comparator respectively, and the output negative terminal of described photo-coupler connects the 0V outfan of the other end of electric capacity C3, one end of resistance R4, the emitter stage of audion Q2, one end of switching relay, one end of electric capacity C4 and supply convertor respectively；The inverting input of described comparator connects one end and the other end of resistance R4 of resistance R3 respectively；The other end of the other end of described resistance R2, the other end of resistance R3, one end of resistance R5, one end of resistance R6, one end of locking relay, the other end of switching relay and electric capacity C4 is connected to the+5V outfan of supply convertor；The described other end of resistance R5 and the outfan of comparator are connected to the input of microprocessor；First outfan of described microprocessor is connected to the other end of resistance R6 through the second light emitting diode, and the second outfan of described microprocessor is connected to the base stage of audion Q2 through resistance R7；The other end of described locking relay is connected to the colelctor electrode of audion Q2；The input of described supply convertor is connected to alternating current 220V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620224772.8U CN205427029U (en) | 2016-03-23 | 2016-03-23 | Circuit is tested to non -contact high pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620224772.8U CN205427029U (en) | 2016-03-23 | 2016-03-23 | Circuit is tested to non -contact high pressure |
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| Publication Number | Publication Date |
|---|---|
| CN205427029U true CN205427029U (en) | 2016-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620224772.8U Expired - Fee Related CN205427029U (en) | 2016-03-23 | 2016-03-23 | Circuit is tested to non -contact high pressure |
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| Country | Link |
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| CN (1) | CN205427029U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108196111A (en) * | 2017-08-18 | 2018-06-22 | 广东电网有限责任公司中山供电局 | A kind of circuit electroscopic device of non-contact type |
-
2016
- 2016-03-23 CN CN201620224772.8U patent/CN205427029U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108196111A (en) * | 2017-08-18 | 2018-06-22 | 广东电网有限责任公司中山供电局 | A kind of circuit electroscopic device of non-contact type |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 |