CN203745531U - Active/passive dual-mode induction high-voltage electrified display device - Google Patents
Active/passive dual-mode induction high-voltage electrified display device Download PDFInfo
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- CN203745531U CN203745531U CN201420087361.XU CN201420087361U CN203745531U CN 203745531 U CN203745531 U CN 203745531U CN 201420087361 U CN201420087361 U CN 201420087361U CN 203745531 U CN203745531 U CN 203745531U
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Abstract
The utility model relates to an active/passive dual-mode induction high-voltage electrified display device. The active/passive dual-mode induction high-voltage electrified display device comprises a non-contact type high-voltage electrified sensor, wherein an output end of the non-contact type high-voltage electrified sensor is connected with a trigger circuit through a rectifying bridge and an energy storage circuit in sequence; one path of an output end of the trigger circuit is connected to a passive channel through a distribution circuit, and the other path is connected to an active channel; the passive channel comprises a first LED lamp and a first optocoupler; a positive electrode of the first LED lamp is connected with a first output end of the distribution circuit; a negative electrode of the first LED lamp is connected with a positive input end of the first optocoupler; a negative input end of the first optocoupler is connected with a negative end of the rectifying bridge; and in the active channel, a signal output by a second output end of the distribution circuit passes through a second optocoupler and is reshaped and then sent to a CPU processor for processing and output display.
Description
Technical field
The utility model relates to the charged display technique of high voltage field, particularly a kind of active passive bimodulus induction high voltage display device.
Background technology
High-voltage charge display device is because it is to ensureing the safe vital role playing of operation and maintainer, become high-tension apparatus to realize the important component part of essential safety.High voltage display device mainly contains two types in the market, and one is contact, and another kind is contactless.
The charged display device of contact, its high pressure sensor is directly connected with high-pressure side, advantage is that charged demonstration is without additional working power, utilize capacitance partial pressure directly to drive light-emitting component to show, but its great drawback is sensor and high voltage direct to be connect in succession, high-voltage capacitance, because a variety of causes exists risk breakdown, has more serious potential safety hazard, requires to be at present replaced with contactless in state's net system.
Contactless charged display device, its principle of work is to utilize high-voltage electric field effect principle, without directly whether contact detection high-tension apparatus is charged, its major advantage is that sensor does not contact with energized conductor, has fundamentally solved sensor because directly contacting the potential safety hazard of bringing; But this series products providing in the market, when its work, must there is additional working power, and in the time that additional power source lacks, just cannot normally work and indicate high-tension apparatus whether charged, easily mislead operation or maintainer and think that equipment is not charged, anti-misoperation locking also cannot be provided.This significant deficiency has restricted the range of application of contactless electrification display greatly.
In addition, on Vehicles Collected from Market, high voltage display device can only be installed on distance exposed energized conductor air insulation certain distance position, in distribution, to the extremely limited equipment of compact conformation, installing space such as such as distribution ring main unit, exist inductive head part that difficult problem is installed.Before SM, the operation of RM type ring main unit line side grounding switch, carry out indirect method of checking electricity by line side high voltage display device completely, and a set of high voltage display device is only housed at present, do not meet the requirement that the electrical verification of state's net " safety " indirect needs to adopt " binary method ".Be necessary that the second cover high voltage display device is installed in ring main unit line side out of doors.
Utility model content
The purpose of this utility model is to provide a kind of active passive bimodulus induction high voltage display device, can ensure that safety eliminates safe hidden trouble, can carry out again can reliable charged instruction without additional working power novel non-contact type high voltage charged display device.
The utility model adopts following scheme to realize: a kind of active passive bimodulus induction high voltage display device, is characterized in that: comprise non-contact type high voltage electrified sensor; The output terminal of described non-contact type high voltage electrified sensor is connected with trigger circuit through rectifier bridge, accumulator successively; Described trigger circuit output terminal is connected to passive channel through distributor circuit one road, and another road is connected to active channel; Described passive channel comprises a LED lamp and the first optocoupler; The positive pole of a described LED lamp is connected with the first output terminal of described distributor circuit; The negative pole of a described LED lamp is connected with the positive input terminal of described the first optocoupler; The negative terminal of rectifier bridge described in the negative input termination of described optocoupler; In described active channel, the signal of the second output terminal output of described distributor circuit is through the second optocoupler, and after shaping, sends into that CPU processor is processed, output display.
In the utility model one embodiment, described accumulator comprises capacitor C 1, resistance R 1 and capacitor C 2; Positive pole, one end of described resistance R 1 and the anode of described rectifier bridge of described capacitor C 1 are connected; Described capacitor C 1, the negative pole of C2 and the negative terminal of described rectifier bridge are connected; The positive pole of described capacitor C 2 is connected with the other end of described resistance R 2.
In the utility model one embodiment, described trigger circuit are made up of diac D5 and transistor Q1 cascade; The anode of described diac D5 is connected with the positive pole of described capacitor C 2; The negative terminal of described diac D5 is connected with the base stage of described transistor Q1; The collector of described transistor Q1 is connected with one end of described resistance R 1.
In the utility model one embodiment, described distributor circuit is a relay J 2, and described relay J 2 is by described CPU processor; The intermediate contact of described relay J 2 is connected with the emitter-base bandgap grading of described transistor Q1; The normally closed contact of described relay J 2 is connected with the positive pole of a described LED lamp; Normally opened contact is as the access point of described active channel.
In the utility model one embodiment, described active channel comprises the second optocoupler, resistance R 2, R3, R4, R5, R6, R7, R8, capacitor C 3, C4, comparer U1, CPU processor, the 2nd LED lamp, relay J 1, transistor Q2, diode D7 and power supply access point W1; The positive input terminal of described the second optocoupler is connected with the normally opened contact of described relay J 2, negative input end is connected with the negative terminal of described rectifier bridge, positive output end is connected with one end of capacitor C 3, the positive input terminal of comparer U1, one end of resistance R 2, and the negative terminal of the emitter-base bandgap grading relay J 2 of the other end of negative output terminal, capacitor C 3, one end of resistance R 4, transistor Q2, the negative pole of capacitor C 4 all connect the zero point of power supply; The other end of described resistance R 2 is connected with one end of resistance R 3, one end of resistance R 5, one end of resistance R 6, one end of resistance R 8, positive pole, the positive pole of capacitor C 4 and the negative pole of diode D7 of relay J 1; The other end of described resistance R 3 is connected with the negative input end of described comparer U1 with the other end of resistance R 4; The output terminal of described comparer U1 is connected with the other end of described resistance R 5, the input end I1 of CPU processor; The first output terminal o1 of described CPU processor is connected with the positive pole of described relay J 1 through the 2nd LED lamp, resistance R 6; The negative pole of described relay J 1 is connected with the collector of transistor Q2; The second output terminal o2 of described CPU processor is connected with the base stage of described transistor Q2 through resistance R 7; The other end of described resistance R 8 is connected with the positive pole of described relay J 2; The positive pole of described diode D7 is connected with described power supply access point W1.
The utility model exists with potential safety hazard and the insecure drawback of working power for overcoming current distribution high-voltage charge display device, realize development one and can ensure that safety eliminates safe hidden trouble, can carry out again can reliable charged instruction without additional working power novel non-contact type high voltage electrification display.Its science and technology is according to being in high-voltage electric field, and the less conductive surface of radius-of-curvature of earthing pole, has faint " transference cell ".Ensureing under the condition of insulation safety, by conductor near high-pressure side to obtain compared with large-signal, this signal, under energy storage, trigger circuit effect, carries out charged demonstration by driving LED.The pulsed Continuity signal of certain frequency can be provided simultaneously, can be for the identification of micro_computer five_proof computer key.In addition, the utility model adopts the noncontact inductor that is installed on insulation course place of cable end three-phase branch, to solve distribution ring main unit, difficult problem is installed, and creates conditions for ring main unit increases a set of circuit high voltage display device.
Brief description of the drawings
Fig. 1 is the utility model schematic block circuit diagram.
Fig. 2 is the utility model circuit connection diagram.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described further.
As shown in Figure 1, the present embodiment provides a kind of active passive bimodulus induction high voltage display device, it is characterized in that: comprise non-contact type high voltage electrified sensor; The output terminal of described non-contact type high voltage electrified sensor is connected with trigger circuit through rectifier bridge, accumulator successively; Described trigger circuit output terminal is connected to passive channel through distributor circuit one road, and another road is connected to active channel; Described passive channel comprises a LED lamp and the first optocoupler; The positive pole of a described LED lamp is connected with the first output terminal of described distributor circuit; The negative pole of a described LED lamp is connected with the positive input terminal of described the first optocoupler; The negative terminal of rectifier bridge described in the negative input termination of described optocoupler; In described active channel, the signal of the second output terminal output of described distributor circuit is through the second optocoupler, and after shaping, sends into that CPU processor is processed, output display.
Concrete, referring to Fig. 2, this display device comprises bridge rectifier circuit, diac D5 and transistor Q1, Q2; Switching relay J2, locking relay J1, photo coupler B1, B2, light emitting diode DS1, DS2; Capacitor C 3, C4, diode D7, resistance R 1, R2, R3, R4, R5, R6, R7, R8, supply socket W1.The input end of described bridge rectifier circuit connects voltage sensor, the direct current output plus terminal of bridge rectifier circuit is connected with respectively the first end of capacitor C 1, the collector of the first end of resistance R 1 and triode Q1, , the second end of capacitor C 1 is connected with the negative pole of bridge rectifier circuit, the second end of resistance R 1 is connected with the first end of capacitor C 2 and a utmost point of diac D5 respectively, another utmost point of diac D5 is connected with the base stage of transistor Q1, the emitter of Q1 connects the intermediate contact J20 of relay J 2, the normally closed contact J21 of J2 is connected with the positive pole of light emitting diode DS1, the input anode of DS1 negative pole and photo coupler B2 is connected, the input negative terminal of B2 is connected with the negative pole of bridge rectifier circuit respectively with the second end of capacitor C 2.
The normal opened contact J22 of J2 is connected with photo-coupler B1 input anode, and the negative terminal of B1 is connected with rectifier bridge negative pole, and the output plus terminal of B1 connects one end of C3, "+" end of one end of R2 and comparer U1.Negative termination power 0 point of output of B1, "-" termination R3 of U1, one end of R4, another termination 0V point of R4, one end of R3, R8, C4, R2, R5, R6 and relay J 1 connects the negative terminal of diode D7 jointly, the positive termination supply socket W1 of D7+6V output terminal, the output terminal of another termination U1 of R5 and the input port I1 of microprocessor CPU, the positive pole of the other end sending and receiving optical diode DS2 of R6, the negative pole of DS2 meets the delivery outlet o1 of CPU, and the other end of R8 connects conversion relay J 2 one end.The other end of J2 and the C4 other end connect 0V point jointly, the collector of another termination transistor Q2 of locking relay J1, and the base stage of Q2 connects R7 one end, the output terminal o2 of another termination of R7 CPU, the emitter of Q2 meets 0V.The 0V point of above-mentioned 0V point access supply socket W1.The output terminal of B2 is passive " five is anti-" output terminal.The contact of J1 is with regard to J11, and J12 is active locking (" five is anti-") output contact.Adopt above circuit structure, the voltage signal of bridge rectifier circuit receiver voltage inductor induction, after bridge rectifier circuit rectification, output current charges to capacitor C 1, by resistance R 1, capacitor C 2 is charged simultaneously, in the time that the electric weight in capacitor C 2 enough triggers diac D5, capacitor C 2 is by the base stage output current of diac D5 to transistor Q1, transistor Q1 conducting; When without working power, capacitor C 1 is discharged to light emitting diode DS and B2 by intermediate point J20 and the normally closed contact J21 of J2, and light emitting diode DS1 lights.When capacitor C 1 discharge off, light emitting diode DS extinguishes.Capacitor C 1 and capacitor C 2 constantly repeat the above course of work, light emitting diode DS flicker, B2 output terminal output " having electricity " pulse signal.Thereby reach the charged object of instruction high-tension apparatus.
In the time having working power, the J20 of J2 and normal opened contact J22 conducting, C1 discharges to photo-coupler B1, the output terminal of B1 produces "+" end of pulse signal input comparator U1, and U1 exports " having an electricity " signal to CPU input I1 mouth, and CPU is through judging except output " having electricity " signal after disturbing processing, light DS2 and connect locking relay J1 simultaneously, J1 contact J11, J12 exports block signal, reaches " having electricity " and shows and locking object.
The foregoing is only preferred embodiment of the present utility model, all equalizations of doing according to the utility model claim change and modify, and all should belong to covering scope of the present utility model.
Claims (5)
1. an active passive bimodulus induction high voltage display device, is characterized in that: comprise non-contact type high voltage electrified sensor; The output terminal of described non-contact type high voltage electrified sensor is connected with trigger circuit through rectifier bridge, accumulator successively; Described trigger circuit output terminal is connected to passive channel through distributor circuit one road, and another road is connected to active channel; Described passive channel comprises a LED lamp and the first optocoupler; The positive pole of a described LED lamp is connected with the first output terminal of described distributor circuit; The negative pole of a described LED lamp is connected with the positive input terminal of described the first optocoupler; The negative terminal of rectifier bridge described in the negative input termination of described optocoupler; In described active channel, the signal of the second output terminal output of described distributor circuit is through the second optocoupler, and after shaping, sends into that CPU processor is processed, output display.
2. active passive bimodulus induction high voltage display device according to claim 1, is characterized in that: described accumulator comprises capacitor C 1, resistance R 1 and capacitor C 2; Positive pole, one end of described resistance R 1 and the anode of described rectifier bridge of described capacitor C 1 are connected; Described capacitor C 1, the negative pole of C2 and the negative terminal of described rectifier bridge are connected; The positive pole of described capacitor C 2 is connected with the other end of described resistance R 2.
3. active passive bimodulus induction high voltage display device according to claim 2, is characterized in that: described trigger circuit are made up of diac D5 and transistor Q1 cascade; The anode of described diac D5 is connected with the positive pole of described capacitor C 2; The negative terminal of described diac D5 is connected with the base stage of described transistor Q1; The collector of described transistor Q1 is connected with one end of described resistance R 1.
4. active passive bimodulus induction high voltage display device according to claim 3, is characterized in that: described distributor circuit is a relay J 2, and described relay J 2 is by described CPU processor; The intermediate contact of described relay J 2 is connected with the emitter-base bandgap grading of described transistor Q1; The normally closed contact of described relay J 2 is connected with the positive pole of a described LED lamp; Normally opened contact is as the access point of described active channel.
5. active passive bimodulus induction high voltage display device according to claim 4, is characterized in that: described active channel comprises the second optocoupler, resistance R 2, R3, R4, R5, R6, R7, R8, capacitor C 3, C4, comparer U1, CPU processor, the 2nd LED lamp, relay J 1, transistor Q2, diode D7 and power supply access point W1; The positive input terminal of described the second optocoupler is connected with the normally opened contact of described relay J 2, negative input end is connected with the negative terminal of described rectifier bridge, positive output end is connected with one end of capacitor C 3, the positive input terminal of comparer U1, one end of resistance R 2, and the negative terminal of the emitter-base bandgap grading relay J 2 of the other end of negative output terminal, capacitor C 3, one end of resistance R 4, transistor Q2, the negative pole of capacitor C 4 all connect the zero point of power supply; The other end of described resistance R 2 is connected with one end of resistance R 3, one end of resistance R 5, one end of resistance R 6, one end of resistance R 8, positive pole, the positive pole of capacitor C 4 and the negative pole of diode D7 of relay J 1; The other end of described resistance R 3 is connected with the negative input end of described comparer U1 with the other end of resistance R 4; The output terminal of described comparer U1 is connected with the other end of described resistance R 5, the input end I1 of CPU processor; The first output terminal o1 of described CPU processor is connected with the positive pole of described relay J 1 through the 2nd LED lamp, resistance R 6; The negative pole of described relay J 1 is connected with the collector of transistor Q2; The second output terminal o2 of described CPU processor is connected with the base stage of described transistor Q2 through resistance R 7; The other end of described resistance R 8 is connected with the positive pole of described relay J 2; The positive pole of described diode D7 is connected with described power supply access point W1.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420087361.XU CN203745531U (en) | 2014-02-28 | 2014-02-28 | Active/passive dual-mode induction high-voltage electrified display device |
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| CN201420087361.XU CN203745531U (en) | 2014-02-28 | 2014-02-28 | Active/passive dual-mode induction high-voltage electrified display device |
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| CN203745531U true CN203745531U (en) | 2014-07-30 |
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| CN201420087361.XU Expired - Fee Related CN203745531U (en) | 2014-02-28 | 2014-02-28 | Active/passive dual-mode induction high-voltage electrified display device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103792417A (en) * | 2014-02-28 | 2014-05-14 | 国家电网公司 | Active and passive dual-mode sensing high-voltage presence indication device and implementation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103792417A (en) * | 2014-02-28 | 2014-05-14 | 国家电网公司 | Active and passive dual-mode sensing high-voltage presence indication device and implementation method thereof |
| CN103792417B (en) * | 2014-02-28 | 2017-01-11 | 国家电网公司 | Active and passive dual-mode sensing high-voltage presence indication device |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 |
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| CF01 | Termination of patent right due to non-payment of annual fee |