CN204231019U - Passive high voltage electrified display interlock apparatus - Google Patents
Passive high voltage electrified display interlock apparatus Download PDFInfo
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- CN204231019U CN204231019U CN201420594485.7U CN201420594485U CN204231019U CN 204231019 U CN204231019 U CN 204231019U CN 201420594485 U CN201420594485 U CN 201420594485U CN 204231019 U CN204231019 U CN 204231019U
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- 230000005669 field effect Effects 0.000 claims description 32
- 238000001514 detection method Methods 0.000 claims description 18
- 108090000565 Capsid Proteins Proteins 0.000 claims description 11
- 239000003990 capacitor Substances 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 abstract description 11
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- 230000005611 electricity Effects 0.000 description 9
- 238000012423 maintenance Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
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Abstract
The utility model provides passive high voltage electrified display interlock apparatus, includes indicating device, electronic circuit, sensor signal terminal, interlocking signal terminal and key electrical verification interface; Sensor signal terminal, interlocking signal terminal and key electrical verification interface are electrically connected with electronic circuit respectively; Electronic circuit includes indicating circuit and interlocking signal circuit; Indicating circuit is connected with indicating device, and indicating circuit indicates to the electriferous state of indicating device to high-tension apparatus for sending instruction; Interlocking signal circuit and interlocking signal terminal, key electrical verification interface respectively be electrically connected, interlocking signal circuit is used for instruction key electrical verification interface to carry out electrical verification and interlocking signal terminal and realizes interlocking signal and export.Therefore, without the need to external working power, can indicate high-tension apparatus electriferous state, indicating effect is good, key electrical verification interface can coordinate with anti-error system and realizes blocking function and prevent misoperation, and interlocking signal output contact can realize accessing other device or coordinating electric control lock forced blocking.
Description
Technical field
The utility model relates to electric power system and detects instruction and mis-locking prevention equipment technical field, particularly relates to a kind of passive high voltage electrified display interlock apparatus.
Background technology
High voltage display device is that electric power system is used to refer to high-tension apparatus or transmission line whether with detection and the indicating equipment of high-tension electricity, its effect is the alert equipment live state when carrying out high-tension apparatus maintenance, maintenance, prevents mistakenly entering charged chamber or charged misoperation fault.At present, the high voltage display device that the equipment such as switch cubicle, ring main unit uses generally is divided into active and passive two kinds of working methods, needs external power supply, cause difficulty to installation when the display unit of active mode works; Though the display unit of passive mode does not need external power supply to get final product work, generally all cannot provide interlocking signal output contact, also just cannot realize the function of interlocking with interlocks such as electric control locks; In addition, the electrical verification interface that existing display unit is generally not supporting with anti-error computer key, cannot coordinate with anti-error computer key to form and complete prevent misoperation system, making to lack Automated condtrol means and the control of enforceable operating process when carrying out high-tension apparatus maintenance, maintenance, there is the hidden danger of misoperation fault.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of passive high voltage electrified display interlock apparatus, high-tension apparatus electriferous state can be indicated without the need to external working power, realize blocking function and prevent misoperation, and can realize accessing other device or coordinating electric control lock forced blocking.
The utility model is achieved through the following technical solutions:
Passive high voltage electrified display interlock apparatus, includes shell, indicating device and electronic circuit, and described indicating device is arranged on shell, and electronic circuit is arranged in shell inner cavity; Wherein, described passive high voltage electrified display interlock apparatus also includes: sensor signal terminal, interlocking signal terminal and key electrical verification interface; Described sensor signal terminal, interlocking signal terminal and key electrical verification interface are electrically connected with described electronic circuit respectively; Described electronic circuit includes indicating circuit and interlocking signal circuit; Described indicating circuit is connected with indicating device, and indicating circuit indicates to the electriferous state of indicating device to high-tension apparatus for sending instruction; Described interlocking signal circuit and interlocking signal terminal, key electrical verification interface respectively be electrically connected, interlocking signal circuit is used for instruction key electrical verification interface to carry out electrical verification and interlocking signal terminal and realizes interlocking signal and export.
Wherein in an embodiment, described indicating device is more than one indicator light, and described indicating circuit is a kind of lamp circuit, and described lamp circuit is connected with indicator light, and indicator light adopts flashing light to indicate the electriferous state of high-tension apparatus.
Further, described passive high voltage electrified display interlock apparatus includes high pressure manual electriferous state and detects mouth, and high pressure manual electriferous state detects mouth and described electronic circuit is electrically connected.
Further, described shell includes procapsid and back casing, and described indicator light, high pressure manual electriferous state detect mouth and key electrical verification interface is all positioned on procapsid.
Further, described key electrical verification interface includes unique identities recognition coding device.
The beneficial effects of the utility model are as follows:
Passive high voltage electrified display interlock apparatus of the present utility model, includes sensor signal terminal, interlocking signal terminal and key electrical verification interface; Described sensor signal terminal, interlocking signal terminal and key electrical verification interface are electrically connected with described electronic circuit respectively; Described electronic circuit includes indicating circuit and interlocking signal circuit; Described indicating circuit is connected with indicating device, and indicating circuit indicates to the electriferous state of indicating device to high-tension apparatus for sending instruction; Described interlocking signal circuit and interlocking signal terminal, key electrical verification interface respectively be electrically connected, interlocking signal circuit is used for instruction key electrical verification interface to carry out electrical verification and interlocking signal terminal and realizes interlocking signal and export.Therefore, this device is without the need to external working power, high-tension apparatus electriferous state can be indicated, indicating effect is good, possesses key electrical verification interface and can coordinate with anti-error system and realize blocking function and prevent misoperation, possess interlocking signal output contact and can realize accessing other device or coordinating electric control lock forced blocking.Be applied in electric power system detect and display high-tension line electriferous state and coordinate with other device or system and realize blocking function, prevent the generation of electric fault-operation accident.Passive high voltage electrified display interlock apparatus of the present utility model is owing to have employed non-active operation mode, and make do not having the occasion of power supply also can install and use, without the need to laying power line, save mounting material, installation and maintenance are more safe and simple.Possess the electrical verification interface supporting with anti-error computer key because this reality is novel and possess interlocking signal output contact, anti-error computer key can obtain the whether charged object information of high pressure by electrical verification interface, for the operation of anti-error computer key provides foundation, interlocking signal output contact can access other automation equipment or coordinate electric control lock, realize blocking function and prevent misoperation, build complete anti-misoperation locking automated system.
Further, indicating device is more than one indicator light, and described indicating circuit is a kind of lamp circuit, and described lamp circuit is connected with indicator light, and indicator light adopts flashing light to indicate the electriferous state of high-tension apparatus.Adopt flashing light instruction high-tension apparatus electriferous state, have than normal bright instruction and better point out effect.
Accompanying drawing explanation
Fig. 1 is one of them embodiment general structure schematic diagram of the utility model passive high voltage electrified display interlock apparatus;
Fig. 2 is the key electrical verification interface structure schematic diagram of the utility model passive high voltage electrified display interlock apparatus;
Fig. 3 is the electronic schematic diagram of the utility model passive high voltage electrified display interlock apparatus;
Fig. 4 is lamp circuit and the interlocking signal circuit theory diagrams of the utility model passive high voltage electrified display interlock apparatus.
Description of reference numerals
1, sensor signal terminal; 2, high pressure manual electriferous state detects mouth; 3, key electrical verification interface; 31, key interface electrode; 32, key interface cavity; 33, unique identities recognition coding; 4, procapsid; 5, back casing; 6, interlocking signal terminal; 7, indicator light; 8, electronic circuit; 81, lamp circuit; 82, interlocking signal circuit.
Embodiment
The utility model is in order to solve the problem of prior art, and propose a kind of passive high voltage electrified display interlock apparatus, include shell, indicating device and electronic circuit, described indicating device is arranged on shell, and electronic circuit is arranged in shell inner cavity; Wherein, described passive high voltage electrified display interlock apparatus also includes: sensor signal terminal, interlocking signal terminal and key electrical verification interface; Described sensor signal terminal, interlocking signal terminal and key electrical verification interface are electrically connected with described electronic circuit respectively; Described electronic circuit includes indicating circuit and interlocking signal circuit; Described indicating circuit is connected with indicating device, and indicating circuit indicates to the electriferous state of indicating device to high-tension apparatus for sending instruction; Described interlocking signal circuit and interlocking signal terminal, key electrical verification interface respectively be electrically connected, interlocking signal circuit is used for instruction key electrical verification interface to carry out electrical verification and interlocking signal terminal and realizes interlocking signal and export.
Wherein in an embodiment, described indicating device is more than one indicator light, and described indicating circuit is a kind of lamp circuit, and described lamp circuit is connected with indicator light, and indicator light adopts flashing light to indicate the electriferous state of high-tension apparatus.
Further, described passive high voltage electrified display interlock apparatus includes high pressure manual electriferous state and detects mouth, and high pressure manual electriferous state detects mouth and described electronic circuit is electrically connected.
Further, described shell includes procapsid and back casing, and described indicator light, high pressure manual electriferous state detect mouth and key electrical verification interface is all positioned on procapsid.
Further, described key electrical verification interface includes unique identities recognition coding device.
And the utility model is described in detail below with reference to the accompanying drawings in conjunction with the embodiments.It should be noted that, when not conflicting, the feature in following embodiment and embodiment can combine mutually.
As shown in Figure 1, Figure 3, passive high voltage electrified display interlock apparatus in one of them embodiment of the utility model, include procapsid 4, back casing 5, indicator light 7, sensor signal terminal 1, interlocking signal terminal 6, key electrical verification interface 3, electronic circuit 8, high pressure manual electriferous state detection mouth 2, described indicator light 7, sensor signal terminal 1, interlocking signal terminal 6, key electrical verification interface 3, high pressure manual electriferous state detect mouth 2 and are electrically connected with described electronic circuit 8.
As shown in Figure 1, Figure 2, Figure 4 shows, described key electrical verification interface 3 is arranged on described procapsid 4, and described key electrical verification interface 3 includes two key interface electrodes 31, key interface cavity 32 and unique identities recognition coding device 33; Two key interface electrodes 31 lay respectively at the both sides of key interface cavity 32; Preferably, be electric off-state when height is pressed with electricity between two described key interface electrodes 31, at high pressure without being electrically conducting state during electricity.Preferably, unique identities recognition coding device 33 is directly packaged on the inside structure of procapsid 4, or it is inner that described unique identities recognition coding device 33 is fixedly installed in key interface cavity 32.
As shown in Figure 3, described electronic circuit 8 includes lamp circuit 81 and interlocking signal circuit 82, described lamp circuit 81 realizes the flash of light deixis of high indicator light when being pressed with electricity, and described interlocking signal circuit 82 realizes key electrical verification interface electroscope function and interlocking signal output function.
As shown in Figure 4, described lamp circuit 81 includes circuit of three-phase same composition: circuit is propped up in the lighting of A phase, circuit is propped up in the lighting of B phase and circuit is propped up in the lighting of C phase, and the present embodiment is described for a wherein phase (A phase).Described A phase lamp circuit includes rectification circuit BD1, storage capacitor C1, two-way trigger tube D1, current-limiting resistance R1 and indicator light LED1, one end of described rectification circuit BD1 input is connected with A phase sensor signal terminal, the other end is connected with three phase rectifier module TBD1, output and the storage capacitor C1 of rectification circuit BD1 are connected in parallel, described two-way trigger tube D1 and current-limiting resistance R1 is connected in series, described current-limiting resistance R1 and indicator light LED1 positive pole are connected in series, described two-way trigger tube D1, current-limiting resistance R1 and indicator light LED1 is connected in parallel with rectification circuit BD1 output after above-mentioned being connected in series again.The lighting of described B phase is propped up circuit and is included rectification circuit BD2, and the lighting of described C phase is propped up circuit and included rectification circuit BD3.
As shown in Figure 4, described interlocking signal circuit 82 includes three phase rectifier module TBD1, voltage detection module U1 and depletion field effect transistor Q1, depletion field effect transistor Q2, depletion field effect transistor Q3, the input of described three phase rectifier module TBD1 respectively with rectification circuit BD1, an input of rectification circuit BD2 and rectification circuit BD3 connects, the output of three phase rectifier module TBD1 is connected with described voltage detection module U1 input, the output of described voltage detection module U1 and described depletion field effect transistor Q1, depletion field effect transistor Q2 is connected with the source electrode of depletion field effect transistor Q3, described depletion field effect transistor Q1, the equal earthing potential EARTH of gate pole of depletion field effect transistor Q2 and depletion field effect transistor Q3, wherein the source electrode of depletion field effect transistor Q1 is connected with key interface electrode 31 respectively with drain electrode, export as key electrical verification interface, depletion field effect transistor Q2 is connected with interlocking signal terminal 6 respectively with the drain electrode of depletion field effect transistor Q3, exports as interlocking signal.
The operation principle of the present utility model that above-described embodiment provides is as follows:
As Fig. 1 to 4, when high-tension apparatus is charged, charged signal is transferred to electronic circuit 8 through sensor signal terminal 1, this signal is directly exported to high pressure manual electriferous state and is detected mouth 2 by electronic circuit after necessity protection, directly can measure by measuring instruments such as universal instruments the voltage that this detects mouth, thus judge the charged situation of high-tension apparatus, simultaneously, charged signal is through rectification circuit BD1, BD2, BD3 changes direct current into storage capacitor C1, C2, C3 charges, when capacitance voltage exceedes two-way trigger tube D1, D2, during the puncture voltage of D3, two-way trigger tube is in conducting state, electric energy on storage capacitor is by current-limiting resistance R1, R2, R3 is to indicator light LED1, LED2, LED3 discharges, make indicator light luminous, when the voltage drop on storage capacitor is to two-way trigger tube BD1, BD2, time below BD3 cut-ff voltage, two-way trigger tube ends, namely indicator light extinguishes, storage capacitor enters next charge and discharge cycles, so go round and begin again, realize the flash of light instruction of indicator light 3.Further, rectification circuit BD1, BD2, another input of BD3 is all connected to three phase rectifier module TBD1, the electric energy flowing through lamp circuit changes direct voltage into by three phase rectifier module TBD1, this direct voltage is transferred to voltage detection module U1 input Vin, when Vin voltage exceedes the detection voltage of voltage detection module, voltage detection module U1 output end vo ut becomes high level, and this high level is transferred to depletion field effect transistor Q1, Q2, the source electrode of Q3, due to Q1, Q2, the equal earthing potential EARTH of gate pole of Q3, makes the cut-ff voltage of voltage difference higher than field effect transistor of source electrode and gate pole, thus makes Q1, Q2, Q3 all ends, and when Vin voltage is less than the detection voltage of voltage detection module U1, voltage detection module U1 output end vo ut becomes low level, makes field effect transistor Q1, Q2, the source electrode of Q3 and the voltage difference of gate pole lower than the cut-ff voltage of field effect transistor, thus make Q1, Q2, the whole conducting of Q3, so just achieves key electrical verification interface 3 and interlocking signal output interface 6 at high pressure without electrically closed during electricity and function that is that electrically disconnect when height is pressed with electricity.
When high pressure is without electricity, lamp circuit does not work, and indicator light 3 all extinguishes, depletion field effect transistor Q1, Q2, Q3 due to source electrode almost identical with gate voltage thus be in conducting state.When anti-error computer key and the utility model support the use, key inserts key electrical verification interface 3 of the present utility model and reads unique identities recognition coding device 33 of the present utility model, key can judge high-tension apparatus electriferous state by the on off operating mode detecting electrical verification interface 3, realizes blocking function and prevents misoperation.
To sum up, the passive high voltage electrified display interlock apparatus of the present embodiment, described device is without the need to external working power, adopt flashing light instruction high-tension apparatus electriferous state, possesses interlocking signal output contact, possess the electrical verification interface supporting with anti-error computer key, possess high pressure manual electriferous state and detect mouth.Described interlocking signal circuit includes three phase rectifier module, voltage detection module and depletion field effect transistor, described three phase rectifier module output is connected with described voltage detection module input, the output of described voltage detection module is connected with described depletion field effect transistor source electrode, and described depletion field effect transistor has three.One of them is used as key electrical verification interface and exports, and another two are used as interlocking signal output.Described interlocking signal output contact is electric off-state when height is pressed with electricity, at high pressure without being electrically conducting state during electricity.Have effective without the need to power work, flashing indicating, possess key electrical verification interface and can coordinate with anti-error system and realize blocking function and prevent misoperation, possess the feature that interlocking signal output contact can realize accessing other device or coordinating electric control lock forced blocking.
The above embodiment only have expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (10)
1. passive high voltage electrified display interlock apparatus, includes shell, indicating device and electronic circuit, and described indicating device is arranged on shell, and electronic circuit is arranged in shell inner cavity; It is characterized in that, described passive high voltage electrified display interlock apparatus also includes: sensor signal terminal, interlocking signal terminal and key electrical verification interface; Described sensor signal terminal, interlocking signal terminal and key electrical verification interface are electrically connected with described electronic circuit respectively; Described electronic circuit includes indicating circuit and interlocking signal circuit; Described indicating circuit is connected with indicating device, and indicating circuit indicates to the electriferous state of indicating device to high-tension apparatus for sending instruction; Described interlocking signal circuit and interlocking signal terminal, key electrical verification interface respectively be electrically connected, interlocking signal circuit is used for instruction key electrical verification interface to carry out electrical verification and interlocking signal terminal and realizes interlocking signal and export.
2. passive high voltage electrified display interlock apparatus according to claim 1, it is characterized in that, described indicating device is more than one indicator light, described indicating circuit is a kind of lamp circuit, described lamp circuit is connected with indicator light, and indicator light adopts flashing light to indicate the electriferous state of high-tension apparatus.
3. passive high voltage electrified display interlock apparatus according to claim 2, it is characterized in that, described passive high voltage electrified display interlock apparatus includes high pressure manual electriferous state and detects mouth, and high pressure manual electriferous state detects mouth and described electronic circuit is electrically connected.
4. passive high voltage electrified display interlock apparatus according to claim 3, is characterized in that, described shell includes procapsid and back casing, and described indicator light, high pressure manual electriferous state detect mouth and key electrical verification interface is all positioned on procapsid.
5. according to the passive high voltage electrified display interlock apparatus in Claims 1-4 described in any one, it is characterized in that, described key electrical verification interface includes unique identities recognition coding device.
6. passive high voltage electrified display interlock apparatus according to claim 5, is characterized in that, described key electrical verification interface also includes two key interface electrodes and a key interface cavity; Two key interface electrodes lay respectively at the both sides of key interface cavity.
7. passive high voltage electrified display interlock apparatus according to claim 6, is characterized in that, described unique identities recognition coding device is directly packaged on the inside structure of procapsid.
8. passive high voltage electrified display interlock apparatus according to claim 6, is characterized in that, it is inner that described unique identities recognition coding device is fixedly installed in key interface cavity.
9. passive high voltage electrified display interlock apparatus according to claim 2, is characterized in that, described lamp circuit includes a circuit of three-phase same composition: circuit is propped up in the lighting of A phase, circuit is propped up in the lighting of B phase and circuit is propped up in the lighting of C phase, the lighting of A phase is propped up circuit and is included rectification circuit BD1, storage capacitor C1, two-way trigger tube D1, current-limiting resistance R1 and indicator light LED1, one end of described rectification circuit BD1 input is connected with A phase sensor signal terminal, the other end is connected with three phase rectifier module TBD1, output and the storage capacitor C1 of rectification circuit BD1 are connected in parallel, described two-way trigger tube D1 and current-limiting resistance R1 is connected in series, described current-limiting resistance R1 and indicator light LED1 positive pole are connected in series, described two-way trigger tube D1, current-limiting resistance R1 and indicator light LED1 is connected in parallel with rectification circuit BD1 output after above-mentioned being connected in series again, described B phase lamp circuit includes rectification circuit BD2, and described C phase lamp circuit includes rectification circuit BD3.
10. passive high voltage electrified display interlock apparatus according to claim 9, it is characterized in that, described interlocking signal circuit includes three phase rectifier module TBD1, voltage detection module U1 and depletion field effect transistor Q1, depletion field effect transistor Q2, depletion field effect transistor Q3, the input of described three phase rectifier module TBD1 respectively with rectification circuit BD1, an input of rectification circuit BD2 and rectification circuit BD3 connects, the output of three phase rectifier module TBD1 is connected with described voltage detection module U1 input, the output of described voltage detection module U1 and described depletion field effect transistor Q1, depletion field effect transistor Q2 is connected with the source electrode of depletion field effect transistor Q3, described depletion field effect transistor Q1, the equal earthing potential EARTH of gate pole of depletion field effect transistor Q2 and depletion field effect transistor Q3, the source electrode of depletion field effect transistor Q1 and drain electrode respectively with key interface Electrode connection, export as key electrical verification interface, depletion field effect transistor Q2 is connected with interlocking signal terminal respectively with the drain electrode of depletion field effect transistor Q3, exports as interlocking signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420594485.7U CN204231019U (en) | 2014-10-14 | 2014-10-14 | Passive high voltage electrified display interlock apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420594485.7U CN204231019U (en) | 2014-10-14 | 2014-10-14 | Passive high voltage electrified display interlock apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN204231019U true CN204231019U (en) | 2015-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420594485.7U Expired - Lifetime CN204231019U (en) | 2014-10-14 | 2014-10-14 | Passive high voltage electrified display interlock apparatus |
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| CN (1) | CN204231019U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114895098A (en) * | 2022-04-11 | 2022-08-12 | 国网安徽省电力有限公司电力科学研究院 | Digital fusion type high-voltage live display locking device |
-
2014
- 2014-10-14 CN CN201420594485.7U patent/CN204231019U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114895098A (en) * | 2022-04-11 | 2022-08-12 | 国网安徽省电力有限公司电力科学研究院 | Digital fusion type high-voltage live display locking device |
| CN114895098B (en) * | 2022-04-11 | 2023-10-10 | 国网安徽省电力有限公司电力科学研究院 | Digital fusion type high-voltage electrified display locking device |
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