CN106531529A - Switch-off and switch-on detection apparatus for isolation switch - Google Patents
Switch-off and switch-on detection apparatus for isolation switch Download PDFInfo
- Publication number
- CN106531529A CN106531529A CN201611055752.3A CN201611055752A CN106531529A CN 106531529 A CN106531529 A CN 106531529A CN 201611055752 A CN201611055752 A CN 201611055752A CN 106531529 A CN106531529 A CN 106531529A
- Authority
- CN
- China
- Prior art keywords
- switch
- receiver
- disconnecting switch
- transmitter
- shut brake
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3271—Testing of circuit interrupters, switches or circuit-breakers of high voltage or medium voltage devices
- G01R31/3275—Fault detection or status indication
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V8/00—Prospecting or detecting by optical means
- G01V8/10—Detecting, e.g. by using light barriers
- G01V8/12—Detecting, e.g. by using light barriers using one transmitter and one receiver
- G01V8/14—Detecting, e.g. by using light barriers using one transmitter and one receiver using reflectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/16—Indicators for switching condition, e.g. "on" or "off"
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
- Push-Button Switches (AREA)
Abstract
The invention discloses a switch-off and switch-on detection apparatus for an isolation switch. The switch-off and switch-on detection apparatus comprises a base, a transmitter, a reflector and a receiver, wherein a supporting column insulator is arranged on the base; the supporting column insulator is provided with a conductive arm; a contact is arranged at the front end of the conductive arm; the transmitter and the receiver are positioned on the base; and the reflector is positioned at the front end of the bottom surface of the contact. In detecting of a switch-off and switch-on condition of a GW4 type isolation switch, the transmitter transmits a laser signal; the laser signal is reflected to the receiver through the action of the reflector to be received by the receiver; and if the receiver gives out alarming sound, it shows that the conductive arm switch-on of the GW4 type isolation switch is not in place, namely the conductive arm does not return to an appointed position. By adoption of switch-off and switch-on detection apparatus for the isolation switch provided by the invention, automatic detecting and alarming on whether the switch-off and switch-on of the GW4 type isolation switch is in place or not can be realized; and meanwhile, the detection apparatus is time-saving and labor-saving, and capable of ensuring accuracy.
Description
Technical field
The present invention relates to high voltage electric equipment Condition Monitoring Technology field, more particularly to a kind of disconnecting switch divide-shut brake detection
Device.
Background technology
High voltage isolator is important device for switching in power plant and converting station electric power system.It is in power system, high
Pressure disconnecting switch consumption is usually 2~4 times of breaker consumption, is a kind of maximum high-tension switch gear of consumption.High_voltage isolation
Switch ensure that the safety of High-Voltage Electrical Appliances and device in service work, plays isolation voltage, can also be used to carry out certain
The handover operation of a little circuits, to change the method for operation of system.Additionally, in the complete power distribution equipment of high pressure, high voltage isolator
It is commonly used for the high voltage control electrical equipment of voltage transformer, arrester and distribution house transformer and metering cabinet.High voltage isolator leads to
Often use cooperatively with breaker, when the method for operation or equipment interruption maintenance is switched, can high voltage isolator smooth operation
Directly influence the power supply reliability and security of system.
GW4 type disconnecting switch is one kind of high voltage isolator, is a kind of horizontal rotation type isolation switch.This model
General electric pressure is switched for 12kV-252kV.Due to electric pressure height, when specifically being operated, it is ensured that GW4 keeps apart
The security of pass it is of crucial importance.One of major criterion whether GW4 types disconnecting switch is normally run be divide-shut brake whether in place,
If divide-shut brake is not in place, the contact resistance at contact can be caused to increase, contact site heating even produces overheat accident.For rust
The mechanical breakdown such as erosion bite, stroke be not in place, it is many at present based on the precautionary measures and experience diagnosis, often depend upon shop floor worker root
According to working experience with the naked eye judging.
However, whether the conductive arm for observing by the naked eye GW4 type disconnecting switch is parallel with base or control stick, judge
GW4 types disconnecting switch whether divide-shut brake method time and effort consuming in place, and accuracy cannot ensure.
The content of the invention
The goal of the invention of the present invention is to provide a kind of disconnecting switch divide-shut brake detection means, detects GW4 type disconnecting switch
Divide-shut brake whether in place, make testing result accurate and time saving and energy saving.
A kind of embodiments in accordance with the present invention, there is provided disconnecting switch divide-shut brake detection means, including:Base;The bottom
Seat is provided with support insulator;
The support insulator is provided with conductive arm;
The conductive arm front end is provided with contact;
Also include:Transmitter, reflector and receiver;
The transmitter is located on the base;
The receiver is located on the base;
The reflector is located at the front end of the contact bottom surface.
Preferably, 30~70 degree of angle is set between the transmitter and the base.
Preferably, the transmitter is generating laser.
Preferably, the receiver is laser pickoff.
Preferably, light-sensitive device is provided with inside the receiver and the signal processing circuit that is connected with the light-sensitive device;
The side of the receiver is provided with loudspeaker;
The loudspeaker is connected with the output end of the signal processing circuit.
Preferably, notch is provided with the top of the receiver;
The light-sensitive device is arranged at the notch.
Preferably, the reflector is speculum;
The speculum is square glass piece.
From above technical scheme, the present invention provides a kind of disconnecting switch divide-shut brake detection means.GW4 types are being isolated
When the divide-shut brake situation of switch is detected, laser signal is launched by transmitter, the effect of reflected device is anti-by laser signal
Receiver is mapped to, is received by receiver.If receiver sounds the alarm, the conductive arm of GW4 type disconnecting switch closes a floodgate not in place,
I.e. conductive arm is not returned to specified location.If receiver does not sound the alarm, illustrate that the conductive arm of GW4 type disconnecting switch closes a floodgate and arrive
Position, i.e., conductive arm returns to specified location, and the combined floodgate of GW4 type disconnecting switch is finished.This disconnecting switch divide-shut brake detection means can
With realize closing a floodgate GW4 types disconnecting switch whether automatic detection in place with report to the police, the work for alleviating staff is also avoided
The error that artificial judgment is brought, it is time saving and energy saving, ensure accuracy.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing that needs are used is briefly described, it should be apparent that, drawings in the following description are only some enforcements of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can be being obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is to be preferable to carry out a kind of disconnecting switch divide-shut brake detection means schematic diagram for exemplifying according to one;
Fig. 2 is to be preferable to carry out the reflector schematic diagram that exemplifies according to one.
Illustrate:
Wherein, 1- transmitters;2- support insulators;3- contacts;4- reflectors;5- conductive arms;6- bases;7- receivers.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Whole description, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
As shown in figure 1, embodiments of the invention provide a kind of disconnecting switch divide-shut brake detection means, including:Base 6, institute
State base 6 and be provided with support insulator 2;The support insulator 2 is provided with conductive arm 5;5 front end of the conductive arm is provided with contact
3;Characterized in that, also including:Transmitter 1, reflector 4, receiver 7;The transmitter 1 is located on the base 6;It is described to connect
Receive device 7 to be located on the base 6;The reflector 4 is located at the front end of 3 bottom surface of the contact.Transmitter 1 is used to launch light,
For the light that transmitter 1 sends is reflected, receiver 7 is used for the light for receiving reflection to reflector 4.
From above technical scheme, the present invention provides a kind of disconnecting switch divide-shut brake detection means.GW4 types are being isolated
When the divide-shut brake situation of switch is detected, light is launched by transmitter 1, light is reflexed to and connect by the effect of reflected device 4
Device 7 is received, is received by receiver 7.If receiver 7 sounds the alarm, the conductive arm 5 of GW4 type disconnecting switch closes a floodgate not in place, i.e.,
Conductive arm 5 is not returned to specified location.If receiver 7 does not sound the alarm, illustrate that the conductive arm 5 of GW4 type disconnecting switch closes a floodgate
In place, i.e., conductive arm 5 returns to specified location, and the combined floodgate of GW4 type disconnecting switch is finished.This disconnecting switch divide-shut brake detection means
Can realize closing a floodgate GW4 types disconnecting switch whether automatic detection in place with report to the police, the work for alleviating staff also keeps away
Manpower-free judges the error brought, time saving and energy saving, ensures accuracy.
Further, 30~70 degree of angle is set between the transmitter 1 and the base 6.According to support insulator 2
Height and the distance between each support insulator 2 difference, the different angles between transmitter 1 and base 6 can be set.The angle of departure
Degree requires that light will can reach reflector 4, and via the reflex of reflector 4, light can reach receiver 7, and it is right to realize
The detection of GW4 type disconnecting switch switchings, the work for alleviating staff also avoid the error that artificial judgment brings.
Further, the transmitter 1 is generating laser.Laser is the new light sources of the sixties in 20th century, with direction
The good, brightness of property is high, monochromaticjty and the features such as high-energy-density.When the divide-shut brake situation to GW4 type disconnecting switch is detected,
Laser signal is sent by transmitter 1, laser signal is reflexed to receiver 7 by the effect of reflected device 4, realizes isolating GW4 types
The detection of switch switching, using the characteristic of laser, makes testing result more accurate.
Further, the receiver 7 is laser pickoff.Laser is the new light sources of the sixties in 20th century, with direction
The good, brightness of property is high, monochromaticjty and the features such as high-energy-density.When the divide-shut brake situation to GW4 type disconnecting switch is detected,
Laser signal is sent by transmitter 1, laser signal is reflexed to receiver 7 by the effect of reflected device 4, realizes isolating GW4 types
The detection of switch switching, using the characteristic of laser, makes testing result more accurate.
Further, the signal transacting electricity for light-sensitive device being provided with inside the receiver 7 and being connected with the light-sensitive device
Road;The side of the receiver 7 is provided with loudspeaker;The loudspeaker is connected with the output end of the signal processing circuit.Connect
The effect for receiving device 7 is to receive the laser from reflector 4, laser is felt by the light-sensitive element being arranged on inside receiver 7
Should, will sense that the signal processing circuit that signal is sent to inside receiver 7 is processed to signal, judge that GW4 types are kept apart
Whether the conductive arm 5 of pass returns to whether in place specified location, i.e. GW4 types disconnecting switch close a floodgate.If not receiving laser signal,
Signal processing circuit is judged that the result that will determine that is sent to loudspeaker, is made loudspeaker send alarm, is pointed out staff
The combined floodgate of GW4 type disconnecting switch, without in place, is that staff is time-consuming.
Further, the top of the receiver 7 is provided with notch;The light-sensitive device is arranged at the notch.Receive
Device 7 is used to receive laser signal, and laser signal enters receiver 7 by notch, by the light-sensitive element being arranged on inside receiver 7
Laser is sensed, will sense that the signal processing circuit that signal is sent to inside receiver 7 is processed to signal, judged
Whether the conductive arm 5 of GW4 type disconnecting switch returns to whether in place specified location, i.e. GW4 types disconnecting switch close a floodgate.If not receiving
Laser signal, then signal processing circuit judged that the result that will determine that is sent to loudspeaker, make loudspeaker send alarm, carry
Show that the combined floodgate of staff's GW4 type disconnecting switch, without in place, is that staff is time-consuming.
Further, the reflector 4 is speculum;As shown in Fig. 2 the speculum 4 is square glass piece.Will be anti-
The front end that mirror is placed in contact 3 is penetrated, thus reflecting the laser for coming from transmitter 1.As square glass piece is arranged on contact 3
Front end, can preferably reflected laser signals, be easy to receiver 7 to the reception of laser signal with process, more accurately to GW4 types
The divide-shut brake situation of disconnecting switch is judged, time saving and energy saving.
Further, when GW4 type disconnecting switch separating brakes or combined floodgate start, it is that transmitter 1 is powered with receiver 7.Work as GW4
During position of the conductive arm 5 of type disconnecting switch in in-place closing, reflector 4 below the contact 3 of conductive arm 5 is attached to just
Through the light path of laser, the position of receiver 7 is reflected the laser light to, at this moment, as receiver 7 have received the laser letter of reflection
Number, so will not sound the alarm, it was demonstrated that state of the GW4 types disconnecting switch in in-place closing.When receiver 7 is not received instead
The laser signal penetrated, receiver 7 send alarm not in place of closing a floodgate, and when combined floodgate or separating brake are completed, control loop cut-out is not charged
Afterwards, with receiver 7 without electricity, alarm stops transmitter 1.Automatic detection can be carried out to GW4 types disconnecting switch, effectively be carried
Show staff, it is time-consuming, save manpower.
From above technical scheme, the present invention provides a kind of disconnecting switch divide-shut brake detection means.GW4 types are being isolated
When the divide-shut brake situation of switch is detected, light is launched by transmitter 1, light is reflexed to and connect by the effect of reflected device 4
Device 7 is received, is received by receiver 7.If receiver 7 sounds the alarm, the conductive arm 5 of GW4 type disconnecting switch closes a floodgate not in place, i.e.,
Conductive arm 5 is not returned to specified location.If receiver 7 does not sound the alarm, illustrate that the conductive arm 5 of GW4 type disconnecting switch closes a floodgate
In place, i.e., conductive arm 5 returns to specified location, and the combined floodgate of GW4 type disconnecting switch is finished.This disconnecting switch divide-shut brake detection means
Can realize to GW4 type disconnecting switch divide-shut brake whether automatic detection in place with report to the police, alleviate the work of staff
The error that artificial judgment is brought is avoided, it is time saving and energy saving, ensure accuracy.
Those skilled in the art will readily occur to its of the present invention after considering specification and putting into practice invention disclosed herein
Its embodiment.The application is intended to any modification of the present invention, purposes or adaptations, these modifications, purposes or
Person's adaptations follow the general principle of the present invention and including the undocumented common knowledge in the art of the present invention
Or conventional techniques.Description and embodiments are considered only as exemplary, and true scope and spirit of the invention are by following
Claim is pointed out.
It should be appreciated that the precision architecture for being described above and being shown in the drawings is the invention is not limited in, and
And various modifications and changes can be being carried out without departing from the scope.The scope of the present invention is limited only by appended claim.
Claims (7)
1. a kind of disconnecting switch divide-shut brake detection means, including:Base (6);The base (6) is provided with support insulator (2);
The support insulator (2) is provided with conductive arm (5);Conductive arm (5) front end is provided with contact (3);Characterized in that, also wrapping
Include:Transmitter (1), reflector (4) and receiver (7);
The transmitter (1) is on the base (6);
The receiver (7) is on the base (6);
Front end of the reflector (4) positioned at the contact (3) bottom surface.
2. a kind of disconnecting switch divide-shut brake detection means according to claim 1, it is characterised in that the transmitter (1)
30~70 degree of angle is set between the base (6).
3. a kind of disconnecting switch divide-shut brake detection means according to claim 1, it is characterised in that the transmitter (1)
For generating laser.
4. a kind of disconnecting switch divide-shut brake detection means according to claim 1, it is characterised in that the receiver (7)
For laser pickoff.
5. a kind of disconnecting switch divide-shut brake detection means according to claim 1, it is characterised in that the receiver (7)
The signal processing circuit that inside is provided with light-sensitive device and is connected with the light-sensitive device;
The side of the receiver (7) is provided with loudspeaker;
The loudspeaker is connected with the output end of the signal processing circuit.
6. a kind of disconnecting switch divide-shut brake detection means according to claim 1, it is characterised in that the receiver (7)
Top be provided with notch;The light-sensitive device is arranged at the notch.
7. a kind of disconnecting switch divide-shut brake detection means according to claim 1, it is characterised in that the reflector (4)
For speculum;
The speculum (4) is square glass piece.
Priority Applications (1)
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CN201611055752.3A CN106531529A (en) | 2016-11-25 | 2016-11-25 | Switch-off and switch-on detection apparatus for isolation switch |
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CN201611055752.3A CN106531529A (en) | 2016-11-25 | 2016-11-25 | Switch-off and switch-on detection apparatus for isolation switch |
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CN201611055752.3A Pending CN106531529A (en) | 2016-11-25 | 2016-11-25 | Switch-off and switch-on detection apparatus for isolation switch |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109406991A (en) * | 2018-09-18 | 2019-03-01 | 四川大学 | A kind of horizontal rotation type high-voltage isolation switch in-place closing confirmation method based on laser optical path |
CN109406995A (en) * | 2018-10-22 | 2019-03-01 | 四川大学 | A kind of three column rotary high-voltage isolating switch in-place closing confirmation methods based on laser optical path |
CN109559929A (en) * | 2018-11-23 | 2019-04-02 | 国网山东省电力公司日照供电公司 | A kind of disconnecting link state collecting device |
CN110689528A (en) * | 2019-09-21 | 2020-01-14 | 南京鑫和汇通电子科技有限公司 | Opening and closing angle detection method for split type disconnecting link based on automatic positioning |
CN111157887A (en) * | 2020-01-15 | 2020-05-15 | 云南电网有限责任公司电力科学研究院 | Isolator monitoring devices |
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CN205353314U (en) * | 2016-02-04 | 2016-06-29 | 湖南工程学院 | Isolator opening and closing state monitoring devices in GIS equipment |
CN106024493A (en) * | 2016-07-20 | 2016-10-12 | 贵州电网有限责任公司培训与评价中心 | Laser positioning system for positioning opening and closing positions of GIS isolation switch |
CN206236600U (en) * | 2016-11-25 | 2017-06-09 | 云南电网有限责任公司电力科学研究院 | A kind of disconnecting switch divide-shut brake detection means |
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CN201234232Y (en) * | 2008-07-25 | 2009-05-06 | 华东电力试验研究院有限公司 | Monitoring device for contact closing position of electricity generator braking knife |
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CN106024493A (en) * | 2016-07-20 | 2016-10-12 | 贵州电网有限责任公司培训与评价中心 | Laser positioning system for positioning opening and closing positions of GIS isolation switch |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109406991A (en) * | 2018-09-18 | 2019-03-01 | 四川大学 | A kind of horizontal rotation type high-voltage isolation switch in-place closing confirmation method based on laser optical path |
CN109406991B (en) * | 2018-09-18 | 2021-05-04 | 四川大学 | In-place closing confirmation method based on horizontal rotation type high-voltage isolating switch |
CN109406995A (en) * | 2018-10-22 | 2019-03-01 | 四川大学 | A kind of three column rotary high-voltage isolating switch in-place closing confirmation methods based on laser optical path |
CN109559929A (en) * | 2018-11-23 | 2019-04-02 | 国网山东省电力公司日照供电公司 | A kind of disconnecting link state collecting device |
CN110689528A (en) * | 2019-09-21 | 2020-01-14 | 南京鑫和汇通电子科技有限公司 | Opening and closing angle detection method for split type disconnecting link based on automatic positioning |
CN111157887A (en) * | 2020-01-15 | 2020-05-15 | 云南电网有限责任公司电力科学研究院 | Isolator monitoring devices |
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Application publication date: 20170322 |