CN201465831U - Isolation switch connection and disconnection in place detecting device - Google Patents
Isolation switch connection and disconnection in place detecting device Download PDFInfo
- Publication number
- CN201465831U CN201465831U CN2009200922511U CN200920092251U CN201465831U CN 201465831 U CN201465831 U CN 201465831U CN 2009200922511 U CN2009200922511 U CN 2009200922511U CN 200920092251 U CN200920092251 U CN 200920092251U CN 201465831 U CN201465831 U CN 201465831U
- Authority
- CN
- China
- Prior art keywords
- disconnecting link
- place
- optical transmission
- isolation switch
- reception device
- 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
- Optical Communication System (AREA)
Abstract
The utility model discloses an isolation switch connection and disconnection in place detecting device, which is provided with an isolation switch action subsidiary junction connected with an operation protective device, a light condensation reflector is arranged on the moving contact of the isolation switch, light transmitting and receiving devices are arranged on the isolation switch base safety platform, a group of light transmitting and receiving devices transmit and receive the light beam reflected by the light condensation reflector when the isolation switch is connected in place, another group of light transmitting and receiving devices transmit and receive the light beam reflected by the light condensation reflector when the isolation switch is disconnected in place, the output end of the contrasting and judging circuit of the light transmitting and receiving devices is connected with the isolation switch action subsidiary junction to judge whether the isolation switch is connected and disconnected in place, the signal is transmitted to the operation protective device to be as the monitoring signal of remote operation. Compared with the prior art, the utility model can effectively detect the isolation switch connection and disconnection in place state, thus avoiding occurrence of misoperation vicious accident caused by that the isolation switch is not connected or disconnected in place, and being widely applied on devices such as isolation switch, grounding isolation switch, load switch and the like.
Description
Technical field
The utility model belongs to the electric equipment technical field of electric power system, is specifically related to a kind of detection device for disconnecting link opening and closing in place.
Background technology
China's electric power system is on the basis of accident lesson many times, practical experience in conjunction with China and foreign countries' electrical operation, be the person and the substantial equipment accident that effectively prevents from misoperation of electrical equipment is caused, the requirement of electric equipment " five is anti-" has just been proposed in the early 1990s, and formulated electric anti-error management, operation, the design and use principle, now list in " 25 important requirements that prevent the electrical production major accident ", in accordance with regulations, the principle that the design of error-proof device should be followed is: every high-tension apparatus that might cause misoperation, all should install error-proof device and corresponding anti-error electric blocking loop.Its structure is that operating motor just (instead) changes, and drives the rotation of disconnecting link moving contact by gearing shaft, realizes dividing (closing) lock when doing the operation of branch (closing) lock by control loop, and knife switch secondary contact is exported corresponding branch (closing) lock signal simultaneously.In this course of action, not in place if reasons such as mechanism's bite, distortion, damage cause disconnecting link action, and auxiliary contact is exported corresponding actions and is finished signal, then locking was lost efficacy, and very easily caused misoperation fault.Although transformer station has all installed " five is anti-" device on request, the operator on duty also is familiar with the requirement of " five is anti-" very much, and misoperation fault artificial and that apparatus factor causes also happens occasionally.
Summary of the invention
For solving the above-mentioned defective that prior art exists, it is a kind of simple in structure, safe and reliable, easy for installation, cheap that the purpose of this utility model is to provide, and can effectively detect the detection device for disconnecting link opening and closing in place of disconnecting link opening and closing in place state.
For achieving the above object; the technical solution adopted in the utility model is: this detection device for disconnecting link opening and closing in place has disconnecting link action auxiliary contact; disconnecting link action auxiliary contact is connected with the operation protection device; it is characterized in that: also have the optically focused reflector; optical transmission/reception device; described optically focused reflector is located on the moving contact of disconnecting link; described optical transmission/reception device is arranged on the disconnecting link base security platform; described optically focused reflector comprises the first optically focused reflector and the second optically focused reflector; described optical transmission/reception device comprises first optical transmission/reception device and second optical transmission/reception device; the emission of first optical transmission/reception device also receives disconnecting link light beam by the first optically focused reflector reflected back when combined floodgate puts in place; the emission of second optical transmission/reception device also receives disconnecting link light beam by the second optically focused reflector reflected back when separating brake puts in place; described optical transmission/reception device has lasing light emitter; condenser; receive head and contrast decision circuitry; the output of described contrast decision circuitry is connected with knife switch secondary contact, its output attended operation protective device.
Described contrast decision circuitry has transistor, and transistorized base stage is connected with and receives head and resistance, and collector electrode is connected with relay, and relay is parallel with diode, and emitter is by grounding through resistance, and the normally opened contact of relay is as output.
Described contrast decision circuitry has transistor, and transistorized base stage is connected with and receives head and resistance, and collector electrode is connected with resistance, and emitter is by grounding through resistance, and emitter also is connected with reverser, and the output of reverser is as output.
The output of described contrast decision circuitry be connected with knife switch secondary contact adopt be connected in series or with link to each other with door.
Described optical transmission/reception device is equipped with filter and condenser in the outside of light source.
Adopt the beneficial effect of technique scheme to be: this detection device for disconnecting link opening and closing in place is to be connected with the control output end that is made of optically focused reflector and optical transmission/reception device on the auxiliary contact of disconnecting link; the optically focused reflector is fixed on the correct position of disconnecting link moving contact; action with disconnecting link opening and closing is moved; be not subjected to problems affect such as electric pressure and insulation; optical transmission/reception device is fixed on the suitable security platform of disconnecting link base; when adjustment optically focused reflector and light emitting devices make disconnecting link be in branch (closing) gate position; the light that optical transmission/reception device is launched is just received by optical transmission/reception device after the reflection of optically focused reflector; by output output corresponding signal; the signal contrast of this output signal and knife switch secondary contact output; judge whether opening and closing in place of disconnecting link; this signal is given the operation protection device; supervisory signal as remote operation. increase this photoelectric detection system at this; being equivalent to and on the basis of " five anti-", having increased " one is anti-". the signal that has only the output of optical transmission/reception device output is all correct with the signal that knife switch secondary contact is exported; could determine that disconnecting link divides (closing) normally; prevented mechanism's bite; distortion; reasons such as damage cause that the disconnecting link action is not in place; and auxiliary contact is exported the drawback that corresponding actions is finished signal; having ensured the accurate branch (closing) of disconnecting link. this apparatus structure is simple; safe and reliable; install easy to adjust; cheap; can effectively detect the disconnecting link opening and closing in place state; avoid the generation of the disconnecting link opening and closing misoperation serious accident that causes not in place, can be widely used in isolation switch; device such as ground connection disconnecting link and on-load switch is gone up and is used.
Description of drawings
Below in conjunction with accompanying drawing concrete enforcement of the present utility model is described in further detail.
Structural representation of the present utility model when Fig. 1 is positioned at "on" position for disconnecting link.
Structural representation of the present utility model when Fig. 2 is positioned at gate-dividing state for disconnecting link.
The contrast decision circuitry figure of Fig. 3 for constituting by relay.
The contrast decision circuitry figure of Fig. 4 for constituting by reverser.
Embodiment
This detection device for disconnecting link opening and closing in place has the optically focused reflector; optical transmission/reception device; the optically focused reflector is installed on the moving contact 1 of disconnecting link; optical transmission/reception device is installed on the disconnecting link base 2; the optically focused reflector comprises the first optically focused reflector 4 and the second optically focused reflector 5; optical transmission/reception device comprises first optical transmission/reception device 3 and second optical transmission/reception device 6; first optical transmission/reception device 3 is launched laser and is received disconnecting link light beam by the first optically focused reflector, 4 reflected backs when combined floodgate puts in place as shown in Figure 1; second optical transmission/reception device 6 emission and receive disconnecting link light beam by the second optically focused reflector, 5 reflected backs when separating brake puts in place as shown in Figure 2. first optical transmission/reception device 3 and second optical transmission/reception device 6 all have lasing light emitter; condenser; optical filtering; receiving head and contrast decision circuitry. optical transmission/reception device also can add filter and condenser in the outside of light source. and the output of contrast decision circuitry is connected with knife switch secondary contact; its output attended operation protective device. the output of contrast decision circuitry be connected with knife switch secondary contact can adopt be connected in series or with link to each other with door; specifically; when the knife switch secondary contact output signal is switching signal; the output of contrast decision circuitry is the output switching signal attended operation protective device afterwards of connecting with the knife switch secondary contact output signal also; when the knife switch secondary contact output signal is level signal; the output of contrast decision circuitry is outputs level signals also; two level signals connect simultaneously with door and link to each other; output attended operation protective device with door. as shown in Figure 3; the contrast decision circuitry has transistor GB1; the base stage of transistor GB1 is connected with and receives a R1 and resistance R 2; collector electrode is connected with relay J; the relay J coils from parallel connection of coils has diode D1; emitter is by resistance R 4 ground connection; the normally opened contact K1 of relay is as the output of switching signal; normally opened contact K1 is connected the connected mode that adopts series connection with the K switch 2 of knife switch secondary contact; attended operation protective device after K switch 1 is connected with contact K2. as shown in Figure 4; the another kind of structure of decision circuitry is as a comparison: have transistor GB1; the base stage of transistor GB1 is connected with and receives a R1 and resistance R 2; collector electrode connects resistance R 3; emitter is by resistance R 4 ground connection; emitter connects reverser T; reverser output is as output terminals A; the reverser output is connected AND circuit, the output attended operation protective device of AND circuit with the level signal B of knife switch secondary contact output.
Disconnecting link is when closing position, the light signal that first optical transmission/reception device 3 sends is through the first optically focused reflector, 4 reflected backs, and by 3 receptions of first optical transmission/reception device, this moment, first optical transmission/reception device 3 received that signal judgement disconnecting link combined floodgate puts in place, if it is not in place that disconnecting link closes a floodgate, then first optical transmission/reception device 3 can not receive through the first optically focused reflector, 4 reflected backs light, it is not in place to judge that disconnecting link closes a floodgate this moment.Disconnecting link is when the separating brake position, if the disconnecting link separating brake is not in place, then second optical transmission/reception device 6 can not receive the light by the second optically focused reflector, 5 reflected backs, and judge that the disconnecting link separating brake is not in place this moment.Disconnecting link combined floodgate and sub-gate signal are to adopt the mode of connecting to export to protection mechanism with former knife switch secondary contact when being exported by relay, just can determine branch (closing) situation of disconnecting link when having only these two test points all correct.If disconnecting link is to adopt AND circuit to be connected with protection mechanism with former knife switch secondary contact when closing a floodgate with the output of sub-gate signal employing reverser; optical transmission/reception device closes a floodgate to put in place at disconnecting link and sends " H " level; all the other periods " L " level, disconnecting link separating brake put in place and send " L " level, all the other periods " H " level; if complete " H " level; illustrating closes a floodgate puts in place, if complete " L " level illustrates that separating brake puts in place; if the two paths of signals distance has output, then represent in the divide-shut brake process.Disconnecting link auxiliary contact signal: the disconnecting link closing position sends " H " level, all the other periods " L " level, " L " level is sent in disconnecting link separating brake position, all the other periods " H " level, complete if " H " expression "on" position, if complete " L " expression gate-dividing state if the two paths of signals distance has output, is then represented in the divide-shut brake process.Can accurately judge whether deciliter success of disconnecting link according to the level signal of optical transmission/reception device and auxiliary contact output in sum, if two signal conditions are inconsistent, then send alarm signal, the associated mechanisms of locking simultaneously.
Claims (5)
1. detection device for disconnecting link opening and closing in place; has disconnecting link action auxiliary contact; disconnecting link action auxiliary contact is connected with the operation protection device; it is characterized in that: also have the optically focused reflector; optical transmission/reception device; described optically focused reflector is located on the moving contact of disconnecting link; described optical transmission/reception device is arranged on the disconnecting link base security platform; described optically focused reflector comprises the first optically focused reflector and the second optically focused reflector; described optical transmission/reception device comprises first optical transmission/reception device and second optical transmission/reception device; the emission of first optical transmission/reception device also receives disconnecting link light beam by the first optically focused reflector reflected back when combined floodgate puts in place; the emission of second optical transmission/reception device also receives disconnecting link light beam by the second optically focused reflector reflected back when separating brake puts in place; described optical transmission/reception device has lasing light emitter; condenser; receive head and contrast decision circuitry; the output of described contrast decision circuitry is connected with knife switch secondary contact, its output attended operation protective device.
2. a kind of detection device for disconnecting link opening and closing in place according to claim 1, it is characterized in that: described contrast decision circuitry has transistor, transistorized base stage is connected with and receives head and resistance, collector electrode is connected with relay, relay is parallel with diode, emitter is by grounding through resistance, and the normally opened contact of relay is as output.
3. a kind of detection device for disconnecting link opening and closing in place according to claim 1, it is characterized in that: described contrast decision circuitry has transistor, transistorized base stage is connected with and receives head and resistance, collector electrode is connected with resistance, emitter passes through grounding through resistance, emitter also is connected with reverser, and the output of reverser is as output.
4. a kind of detection device for disconnecting link opening and closing in place according to claim 1 is characterized in that: the output of described contrast decision circuitry be connected with knife switch secondary contact adopt be connected in series or with link to each other with door.
5. a kind of detection device for disconnecting link opening and closing in place according to claim 1 is characterized in that: described optical transmission/reception device is equipped with filter and condenser in the outside of light source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200922511U CN201465831U (en) | 2009-08-07 | 2009-08-07 | Isolation switch connection and disconnection in place detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200922511U CN201465831U (en) | 2009-08-07 | 2009-08-07 | Isolation switch connection and disconnection in place detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201465831U true CN201465831U (en) | 2010-05-12 |
Family
ID=42393179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200922511U Expired - Fee Related CN201465831U (en) | 2009-08-07 | 2009-08-07 | Isolation switch connection and disconnection in place detecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201465831U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103489675A (en) * | 2013-09-24 | 2014-01-01 | 国家电网公司 | Disconnecting link operation position photoelectric dialyser |
| CN104078253A (en) * | 2014-06-22 | 2014-10-01 | 国家电网公司 | Device for remotely monitoring on-off state of high voltage isolation switch |
| CN105702502A (en) * | 2016-04-27 | 2016-06-22 | 国网山东省电力公司枣庄供电公司 | Special tool for adjusting high-voltage isolation switch |
| CN105810470A (en) * | 2016-04-08 | 2016-07-27 | 河北工业大学 | Running state monitoring system for grounding knife switch in switch cabinet in power generation plant and substation chamber |
| CN108364815A (en) * | 2018-03-19 | 2018-08-03 | 广东电网有限责任公司佛山供电局 | A kind of visualization device for observing disconnecting link contact on off operating mode |
| CN109586240A (en) * | 2018-12-11 | 2019-04-05 | 山东广域科技有限责任公司 | A kind of substation's disconnecting link monitoring device |
| CN110212442A (en) * | 2019-06-27 | 2019-09-06 | 国网湖南省电力有限公司 | Switchgear and its circuit breaker trolley position detecting device and application method |
| CN113327807A (en) * | 2021-07-01 | 2021-08-31 | 中国南方电网有限责任公司超高压输电公司贵阳局 | High-voltage isolating switch |
-
2009
- 2009-08-07 CN CN2009200922511U patent/CN201465831U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103489675A (en) * | 2013-09-24 | 2014-01-01 | 国家电网公司 | Disconnecting link operation position photoelectric dialyser |
| CN104078253A (en) * | 2014-06-22 | 2014-10-01 | 国家电网公司 | Device for remotely monitoring on-off state of high voltage isolation switch |
| CN104078253B (en) * | 2014-06-22 | 2016-01-20 | 国家电网公司 | High voltage isolator folding condition remote monitoring device |
| CN105810470A (en) * | 2016-04-08 | 2016-07-27 | 河北工业大学 | Running state monitoring system for grounding knife switch in switch cabinet in power generation plant and substation chamber |
| CN105702502A (en) * | 2016-04-27 | 2016-06-22 | 国网山东省电力公司枣庄供电公司 | Special tool for adjusting high-voltage isolation switch |
| CN108364815A (en) * | 2018-03-19 | 2018-08-03 | 广东电网有限责任公司佛山供电局 | A kind of visualization device for observing disconnecting link contact on off operating mode |
| CN108364815B (en) * | 2018-03-19 | 2024-04-12 | 广东电网有限责任公司佛山供电局 | Visualization device for observing on-off state of disconnecting link contact |
| CN109586240A (en) * | 2018-12-11 | 2019-04-05 | 山东广域科技有限责任公司 | A kind of substation's disconnecting link monitoring device |
| CN110212442A (en) * | 2019-06-27 | 2019-09-06 | 国网湖南省电力有限公司 | Switchgear and its circuit breaker trolley position detecting device and application method |
| CN110212442B (en) * | 2019-06-27 | 2020-05-05 | 国网湖南省电力有限公司 | Switch cabinet, breaker trolley position detection device thereof and application method |
| CN113327807A (en) * | 2021-07-01 | 2021-08-31 | 中国南方电网有限责任公司超高压输电公司贵阳局 | High-voltage isolating switch |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201465831U (en) | Isolation switch connection and disconnection in place detecting device | |
| CN101629833A (en) | Detection device for disconnecting link opening and closing in place | |
| CN204516623U (en) | A kind of disconnecting link opening and closing condition checkout gear | |
| CN103809043B (en) | A kind of detection method of discrimination of arclight fault | |
| CN102298106A (en) | FPGA (field programmable gate array)-based arc monitoring system in valve hall | |
| CN104614623A (en) | Remote fault positioning and field polling prompting device for railway annunciator | |
| CN204190488U (en) | A kind of intelligent substation pressing plate monitoring system | |
| CN102331757B (en) | Online detecting system and detecting method for outlet circuit of non-electric quantity protective device | |
| CN102841259A (en) | Device and method for detecting insulation resistance of direct current system | |
| CN201194134Y (en) | Signal light fault alarm positioning device | |
| CN108011348A (en) | Low-voltage intelligent distribution Control protection system and its control guard method | |
| CN101568982A (en) | Method for detecting a switch position of an isolating switch, or of a grounding switch | |
| CN207381952U (en) | Low-voltage intelligent distribution Control protection system | |
| CN201914821U (en) | Safety light curtain system mounted at entrance of car door-free elevator | |
| CN109301802B (en) | Centralized feeder automation method with anti-error check function | |
| CN102412090A (en) | Breaker for online monitoring of vacuum degree of vacuum arc extinguish chamber and monitoring method thereof | |
| CN204679560U (en) | A kind of digital protection proving installation for intelligent substation | |
| CN110426621A (en) | A kind of the detection instruction device and method of platform door system safety return circuit abort situation | |
| CN107147090B (en) | Bilateral united-hop device and bilateral united-hop protection system based on optical fiber communication | |
| CN203825144U (en) | Circuit for identifying broken line area of switch control circuit | |
| CN209514094U (en) | Power distribution network laser prevents line combined floodgate detection device with ground | |
| CN204406586U (en) | Indicator automatic detecting table high-voltage safety protection control system | |
| CN219523724U (en) | Protection system for charging equipment of electric two-wheel vehicle | |
| CN101969341B (en) | Optical path switching interface mechanism for fiber channel test of relay protection device | |
| CN203225747U (en) | Interstation safety information transmission means based on optical communication |
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: 20100512 Termination date: 20120807 |