CN203069655U - Induction-type high-voltage presence indication device - Google Patents
Induction-type high-voltage presence indication device Download PDFInfo
- Publication number
- CN203069655U CN203069655U CN 201320080441 CN201320080441U CN203069655U CN 203069655 U CN203069655 U CN 203069655U CN 201320080441 CN201320080441 CN 201320080441 CN 201320080441 U CN201320080441 U CN 201320080441U CN 203069655 U CN203069655 U CN 203069655U
- Authority
- CN
- China
- Prior art keywords
- display
- voltage
- induction
- type high
- mainboard
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Measurement Of Current Or Voltage (AREA)
Abstract
The utility model discloses an induction-type high-voltage presence indication device. A voltage sensor (2) is fixedly disposed on a bus cylinder access cable (1) outside a bus cylinder of gas insulated switchgears (GIS). A display controller (8) is fixedly installed on the bus cylinder of the gas insulated switchgears (GIS). A display line bank (5) is provided with a plurality of groups of external contacts. The external contacts on the display line bank (5) are respectively connected with earth switch normally open auxiliary contacts. The induction-type high-voltage presence indication device is advantaged in that presence indication devices can be installed and maintained under a condition without power cut-off, and single directional forced blocking can be realized on an operating mechanism. The device is not directly connected with a bus of a primary device, and has very high security performance without troubles of oil changing and air leakage. The device satisfies 60-750kV gas insulated switchgears (GIS) to perform voltage monitoring of protection class.
Description
Technical field
The utility model relates to the charged display device of a kind of induction-type high-voltage.
Background technology
Present newly-built fully closed combined electric unit (GIS) power station, the charged apparent sensor of imbedding in the primary equipment has generally all been joined by switchgear plant; But have now when fully closed combined electric unit (GIS) power station of operation is being designed, do not consider aspect " five anti-" interface electriferous state under detection and control, be difficult under the situation of not cutting off the power supply, the charged display device of installation and maintenance, give to be prevented that charged maloperation from bringing certain difficulty reliably, the grounding cutter can't be carried out splice grafting ground cutter under the state of electricity and operate guaranteeing not have; Charged display device need be under powering-off state, sensor installation in bus bar canister, the I﹠M of sensor all must be operated the SF6 inert gas in the bus bar canister again, need vacuumize and demarcate again SF6 again, can bring very big workload like this, not only increased cost greatly, and the security of operation of equipment has been brought very big influence.
Summary of the invention
The purpose of this utility model is the charged display device of a kind of induction-type high-voltage of design, under the situation that fully closed combined electric unit (GIS) power station equipment does not cut off the power supply, and the charged device that is presented at of installation and maintenance, and can be to the operating mechanism folk prescription to realizing forced blocking.
Design the charged display device of a kind of induction-type high-voltage, comprise voltage sensor and display controller, it is characterized in that: voltage sensor is fixedly mounted on the outer bus bar canister turnover cable of fully closed combined electric unit (GIS) equipment bus bar canister; Display controller is fixedly mounted on the bus bar canister of fully closed combined electric unit (GIS) equipment; Voltage sensor is connected by the four-core shielded cable with display controller; In voltage sensor, be provided with the amplification circuit of electrical signal module; Display controller comprises that the panel of display housing, display line bank, accessory power supply, mainboard, display housing is provided with pilot lamp and reset switch, and accessory power supply is given main board power supply, and mainboard is electrically connected with pilot lamp and reset switch;
Mainboard comprises functional modules such as computing amplification module, voltage comparison module, Programmable Logic Controller PLC, display module and relay;
Voltage sensor is three groups, gathers the charged signal of three-phase bus tube turnover cable respectively;
Some groups of outer contacts are set on the display line bank, and every group of outer contact of display line bank connects the normally closed interlock of relay on the mainboard, and the outer contact on the display line bank is often driven auxiliary contact with the ground connection cutter respectively and is connected the unidirectional forced blocking of realization;
The electric signal that voltage sensor receives is after the amplifying circuit module is amplified, be sent to the mainboard of display controller by the four-core shielded cable, through computing, voltage ratio, after Programmable Logic Controller judges, result of determination outputs to pilot lamp and shows or make the actuating of relay; The normally closed contact of relay connects the outer contact of display line bank and is connected the realization forced blocking with ground connection cutter normally opened contact.
The utility model induction type electric display device directly is not connected with the bus of primary equipment, therefore has very high safety performance, does not have the sorrow of changing oil, leaking gas; Satisfied the monitoring voltage of 60-750kV switchgear (GIS) do protection grade.Both can be used as reclosing and identified criterion, the electriferous state that can reflect bus again by the state of relay contact, and then can realize that folk prescription is to forced blocking (be circuit when not having electricity, but just splice grafting ground cutter operation dividing the operation of ground connection cutter unconditionally to limit) to corresponding operating mechanism.
Description of drawings
Fig. 1: the utility model structural representation;
Fig. 2: voltage sensor amplifying circuit schematic diagram;
Fig. 3: display controller structural representation;
Fig. 4: ground connection cutter forced blocking circuit diagram;
Fig. 5: mainboard structure functional schematic.
Among the figure, 1. bus bar canister passes in and out cable, 2. voltage sensor, 3. sensor terminals, 4. four-core shielded cable, 5. display line bank, 6. pilot lamp, 7. reset switch, 8. display controller, 9. larynx hoop, 10.PVC liner plate, 11. accessory power supplys, 12. mainboard, 13. display housings, 100. ground connection cuttves are often driven auxiliary contact, 101.I the phase relay normally closed contact, 102.II phase relay normally closed contact.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
As shown in Figure 1, the charged display device of induction-type high-voltage of the present utility model comprises voltage sensor 2 and display controller 8 two parts, wherein voltage sensor 2 be installed in fully closed combined electric unit (GIS) bus bar canister turnover cable 1 apart from 5 to 6 meters of GIS cable end, voltage sensor 2 and 10 pairs of PVC liner plates are buckled in the appearance that bus bar canister passes in and out cable 1, with two stainless steel larynx hoops 9 voltage sensor 2 and PVC liner plate 10 are fixed tightly on the bus bar canister turnover cable 1 again; At voltage sensor 2 sensor terminals 3 is set, voltage sensor 2 is connected with four-core shielded cable 4 by sensor terminals 3; According to the field coupled principle between high-voltage electric field and the sensor, carrying out induction type (contactless) outward at safe distance measures, since the voltage signal on the bus bar canister turnover cable 1 a little less than, signalization amplifying circuit module in voltage sensor 2, the circuit amplification module is encapsulated in the voltage sensor 2, is illustrated in figure 2 as voltage sensor amplifying circuit schematic diagram.Utilize the fixed head of configuration to be fixed on fully closed combined electric unit (GIS) bus bar canister display controller 8 or the place of other customer's approval, with the four-core shielded cable 4 of standard configuration display controller 8 is connected with voltage sensor 2.
Figure 3 shows that the display controller structural representation, display controller 8 comprises that the panel of display housing 13, display line bank 5, accessory power supply 11, mainboard 12, display housing 13 is provided with pilot lamp 6 and reset switch 7, accessory power supply 11 gives mainboard 12 power supplies, mainboard 12 is electrically connected with pilot lamp 6 and reset switch 7 on the panel, and four-core shielded cable 4 is connected on the mainboard 12 by display line bank 5.Reset switch 7 is used for debug reset and System self-test.
As shown in Figure 5, mainboard 12 comprises the computing amplification module, voltage comparison module, Programmable Logic Controller PLC, functional module such as display module and relay, the electric signal that voltage sensor 2 inductions receive is behind overvoltage sensor 2 inner amplifications, by four-core shielded cable 4 be delivered to control display 8 mainboard 12 on the computing amplification module, entering voltage comparison module after the processing, to carry out voltage ratio right, signal after will comparing is again sent into Programmable Logic Controller PLC and is differentiated, divide two-way output differentiating the result at last, one the tunnel outputs to display module, carry out luminous demonstration by pilot lamp, be higher than a setting door threshold voltage as voltage, be judged to electricity, then pilot lamp shows " redness ", if test voltage is lower than the door threshold voltage of setting, being judged to does not have electricity, and then pilot lamp shows " green "; Relay is sent on another road, be used for the pilot relay action, when being judged as electricity, relay is failure to actuate, when being judged to the nothing electricity, then the normally closed contact of relay disconnects, and the normally closed interlock of relay is connected with one group of outer contact of display line bank 5 respectively, be used for the control locking, nodal function be provided for microcomputer " five is anti-".
Voltage sensor 2 can arrange three groups, I phase, the II that can be installed in fully closed combined electric unit (GIS) equipment respectively gather signal mutually or on the bus bar canister of the III phase turnover cable 1, deliver to display main board 12 then respectively, through computing, voltage ratio, after Programmable Logic Controller judges, result of determination outputs to the pilot lamp demonstration of corresponding each phase or makes each phase relay action, so just can differentiate the charged situation of three-phase bus respectively and realize forced blocking.
Be illustrated in figure 4 as ground connection cutter forced blocking circuit, testing with the two-phase bus is example, display line bank 5 is provided with some groups of outer contacts, contact is often driven auxiliary contact 100 with the ground connection cutter respectively and is connected outside one group that contact is connected with II phase relay normally closed contact 102 outside be connected with the I phase relay normally closed contact 101 of mainboard 12 at display line bank 5 one group, the forced blocking circuit utilizes accessory power supply 11 power supplies, form the forced blocking loop, just can realize unidirectional forced blocking, if test has, I phase and II phase relay are failure to actuate, the ground connection knife-like switch often is in to be opened, if test does not have electricity, then I mutually or the action of II phase relay, I phase relay normally closed contact 101 and II phase relay normally closed contact 102 become disconnection by normally closed, the ground connection cutter that is attached thereto is often opened auxiliary contact 100 closures, reaches forced blocking.
Claims (4)
1. the charged display device of induction-type high-voltage comprises voltage sensor (2) and display controller (8), it is characterized in that: voltage sensor (2) is fixedly mounted on the outer bus turnover cable (1) of fully closed combined electric unit bus bar canister; Display controller (8) is fixedly mounted on the bus bar canister of fully closed combined electric unit; Voltage sensor (2) is connected by four-core shielded cable (4) with display controller (8); In voltage sensor (2), be provided with the amplification circuit of electrical signal module; Display controller (8) comprises display housing (13), display line bank (5), accessory power supply (11), mainboard (12), the panel of display housing (13) is provided with pilot lamp (6) and reset switch (7), accessory power supply (11) is given mainboard (12) power supply, and mainboard (12) is electrically connected with pilot lamp (6) and reset switch (7).
2. the charged display device of a kind of induction-type high-voltage according to claim 1, it is characterized in that: mainboard (12) comprises computing amplification module, voltage comparison module, Programmable Logic Controller PLC, display module and relay functional modules.
3. the charged display device of a kind of induction-type high-voltage according to claim 1, it is characterized in that: voltage sensor (2) is three groups, gathers the charged signal of three-phase bus turnover cable (1) respectively.
4. the charged display device of a kind of induction-type high-voltage according to claim 1, it is characterized in that: some groups of outer contacts are set on the display line bank (5), every group of outer contact of display line bank (5) connects the normally closed interlock that mainboard (12) is gone up relay, and every group of outer contact on the display line bank (5) often driven auxiliary contact (100) with the ground connection cutter respectively and be connected the unidirectional forced blocking of realization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320080441 CN203069655U (en) | 2013-02-02 | 2013-02-02 | Induction-type high-voltage presence indication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320080441 CN203069655U (en) | 2013-02-02 | 2013-02-02 | Induction-type high-voltage presence indication device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203069655U true CN203069655U (en) | 2013-07-17 |
Family
ID=48768427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320080441 Expired - Fee Related CN203069655U (en) | 2013-02-02 | 2013-02-02 | Induction-type high-voltage presence indication device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203069655U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487643A (en) * | 2013-10-08 | 2014-01-01 | 王岩 | Intelligent non-contact voltage sensor and calibrating method thereof |
| WO2015161611A1 (en) * | 2014-04-24 | 2015-10-29 | 肖金丽 | Inductive high-voltage live display apparatus for power line |
| CN105785106A (en) * | 2016-02-26 | 2016-07-20 | 国网天津市电力公司 | Grounding transformer low-voltage side live display |
| CN108767789A (en) * | 2018-07-20 | 2018-11-06 | 河南森源电气股份有限公司 | Electrification shows concentration bus duct and electrical power trans mission/distribution system |
| CN109001603A (en) * | 2018-10-10 | 2018-12-14 | 中国三冶集团有限公司 | A kind of high voltage display device |
| CN112014627A (en) * | 2020-08-28 | 2020-12-01 | 陕西斯达防爆安全科技股份有限公司 | Feed detection device with strength feedback and working method |
| CN113156187A (en) * | 2020-01-07 | 2021-07-23 | 国网上海市电力公司 | Electrified display device of GIS equipment |
-
2013
- 2013-02-02 CN CN 201320080441 patent/CN203069655U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487643A (en) * | 2013-10-08 | 2014-01-01 | 王岩 | Intelligent non-contact voltage sensor and calibrating method thereof |
| WO2015161611A1 (en) * | 2014-04-24 | 2015-10-29 | 肖金丽 | Inductive high-voltage live display apparatus for power line |
| CN105785106A (en) * | 2016-02-26 | 2016-07-20 | 国网天津市电力公司 | Grounding transformer low-voltage side live display |
| CN108767789A (en) * | 2018-07-20 | 2018-11-06 | 河南森源电气股份有限公司 | Electrification shows concentration bus duct and electrical power trans mission/distribution system |
| CN108767789B (en) * | 2018-07-20 | 2023-10-20 | 河南森源电气股份有限公司 | Live display intensive bus duct and power transmission and distribution system |
| CN109001603A (en) * | 2018-10-10 | 2018-12-14 | 中国三冶集团有限公司 | A kind of high voltage display device |
| CN109001603B (en) * | 2018-10-10 | 2024-02-02 | 中国三冶集团有限公司 | High-voltage electrified display device |
| CN113156187A (en) * | 2020-01-07 | 2021-07-23 | 国网上海市电力公司 | Electrified display device of GIS equipment |
| CN112014627A (en) * | 2020-08-28 | 2020-12-01 | 陕西斯达防爆安全科技股份有限公司 | Feed detection device with strength feedback and working method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203069655U (en) | Induction-type high-voltage presence indication device | |
| CN105305620B (en) | A kind of breaker closing control loop template monitoring system | |
| CN203786195U (en) | Power line induction type high-voltage charged display device | |
| CN203787791U (en) | Ring main unit high-voltage live display block system with forced block function | |
| CN102398524B (en) | Power management device for electromobile | |
| CN107086537B (en) | Prevent the disconnecting device and cutting-off method of the debugging primary equipment electrification of substation's relay protection | |
| CN103412239A (en) | Detecting and positioning method of bus coupler flashover fault in subway alternating current power system | |
| CN101814729B (en) | Busbar protection identification method for automatically identifying running mode of duplicate busbar device | |
| CN203535152U (en) | Hidden defect detection device for external starting contact of failure protection | |
| CN104137383B (en) | For safeguarding the system and method for the suitable phase neutral wire of electric power system | |
| CN202121319U (en) | Arc-extinguishing harmonic-eliminating controller with remote wireless communication module | |
| CN204719085U (en) | A kind of electric energy quality test device being applicable to underground coal mine low voltage electric network | |
| CN207010200U (en) | Prevent the powered shearing device of transformer station's relay protection debugging primary equipment | |
| CN208723536U (en) | A kind of electromotor integrated protection system for extractive equipment | |
| CN201584685U (en) | Switch cabinet comprehensive control device | |
| CN201383681Y (en) | Mine flame-proof type direct current power supply screen | |
| CN201590352U (en) | Novel intelligent interlocking device | |
| CN104850092A (en) | Lock state managing system for ground lead of disconnecting link of substation | |
| KR20160025227A (en) | multi ground detector for AC and DC | |
| CN103983914A (en) | Testing device and method for secondary circuit of electric isolating knife switch | |
| CN109800970B (en) | Method for checking correctness of secondary virtual loop of SCD file of 110kV bus interval of intelligent substation | |
| CN204046044U (en) | A kind of intelligent protection watch-dog | |
| CN103197127A (en) | Grounding step voltage detecting method and grounding step voltage detecting device of high-voltage equipment of switch gear room of converting station | |
| CN203164278U (en) | Transformer substation switch chamber high-voltage equipment grounding step voltage detecting device | |
| CN207924026U (en) | A kind of high direct voltage electrified display interlock apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130717 Termination date: 20140202 |