CN206132883U - Circuit breaker heating circuit monitoring devices - Google Patents
Circuit breaker heating circuit monitoring devices Download PDFInfo
- Publication number
- CN206132883U CN206132883U CN201621116010.2U CN201621116010U CN206132883U CN 206132883 U CN206132883 U CN 206132883U CN 201621116010 U CN201621116010 U CN 201621116010U CN 206132883 U CN206132883 U CN 206132883U
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- Prior art keywords
- overload relay
- phase
- phases
- normally opened
- opened contact
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 46
- 238000012806 monitoring device Methods 0.000 title claims abstract description 10
- 230000011664 signaling Effects 0.000 claims abstract description 10
- 238000012544 monitoring process Methods 0.000 abstract description 12
- 238000005259 measurement Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 abstract 4
- 239000007789 gas Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 101100068867 Caenorhabditis elegans glc-1 gene Proteins 0.000 description 3
- 101100216047 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) gla-1 gene Proteins 0.000 description 3
- 101150091511 glb-1 gene Proteins 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 101100068866 Caenorhabditis elegans glc-2 gene Proteins 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052756 noble gas Inorganic materials 0.000 description 1
- 150000002835 noble gases Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
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Abstract
The utility model relates to an electric power protection monitoring technology field, a circuit breaker heating circuit monitoring devices, it includes measurement and control device, a looks overload relay, B looks overload relay and C looks overload relay, the first terminal of A looks overload relay is connected with measurement and control device remote signalling common port electricity, a looks overload relay second terminal is connected with the first terminal of B looks overload relay electricity, B looks overload relay second terminal is connected with the first terminal of C looks overload relay electricity, a C looks overload relay second terminal and measurement and control device wiring end electricity is connected. The utility model has the advantages of reasonable and compact structure, through the overload relay that establishes ties in the heating circuit is personally experienced sth. Part of the body to the circuit breaker jar, start the action contact with overload relay and send the measurement and control device to the transformer substation with the mode of remote signalling through control cable, realization monitoring backstage directly tours, has realized the monitoring of circuit breaker heating circuit alertly with the advance notice simultaneously.
Description
Technical field
This utility model is related to electric power protection monitoring technical field, is a kind of chopper heating circuit monitoring device.
Background technology
At present, SF6 gases are numerous with stable chemical nature, easily storage etc. as a kind of noble gases of artificial synthesis
Advantage, uses frequently as insulation and arc extinguishing gases, but it yet suffers from low temperature and easily liquefies.When the SF6 gas of rated pressure 0.7MPa
Body its condensing temperature is about subzero 25 degrees Celsius, and in extremely frigid zones heating measures must be taken.Because outside environmental elements cause to add
The too low liquefaction of hot SF6 gas temperatures and cause chopper blocking by low pressure to operate, chopper have to it is out of service, seriously
When can cause large-area power-cuts.Present tour mode is that operation maintenance personnel is examined with reference to substation inspection plan to heating circuit
Look into, that is, check that heating power supply air switch throws situation of moving back and clamp on amperemeter surveys loop current, but some breaker mechanisms are because of space
The odjective causes such as deficiency cause electric current to measure, and can not in time find failure.Accordingly, it would be desirable to one kind can be realized to SF6
Gas heating circuit is monitored the device for making chopper SF6 gas temperatures in prescribed limit.
The content of the invention
This utility model provides a kind of chopper heating circuit monitoring device, overcomes the deficiency of above-mentioned prior art,
It can not knowing in time of existing of the existing chopper heating circuit of effectively solving chopper heating circuit breaks down cannot
Operation, so as to cause large area blackout problem.
The technical solution of the utility model is realized by following measures：A kind of chopper heating circuit monitoring dress
Put, including A phase chopper tank body heating circuits, B phase chopper tank body heating circuits, C phases chopper tank body heating circuit and survey
Control device, it is characterised in that also including A phase overload relays, B phases overload relay and C phase overload relays, the A phases are transshipped
Relay coil is electrically coupled in series with A phase tank body heating circuits, and B phase overload relay coils are electrically coupled in series with B phase tank body heating circuits, C
Phase overload relay coil is electrically coupled in series with C phase tank body heating circuits, A the first binding posts of phase overload relay normally opened contact and observing and controlling
Device remote signalling common port is electrically connected, A the second binding posts of phase overload relay normally opened contact and B phase overload relays normally opened contact the
The electrical connection of one binding post, B the second binding posts of phase overload relay normally opened contact and C phase overload relay the first wiring of normally opened contact
Post is electrically connected, and C phase overload relay the second binding posts of normally opened contact are electrically connected with measure and control device terminals.
The further optimization and/or improvements to above-mentioned utility model technical scheme are presented herein below：
It is normally opened tactile that A phases overload relay described above, B phase overload relays, C phases overload relay are also equipped with second
Point, is electrically connected with display lamp on A phases overload relay the first binding post of the second normally opened contact, the other end of display lamp is with power supply just
Pole electrically connects, and A phases the second binding post of the second normally opened contact of overload relay connects with the second normally opened contact of B phases overload relay first
Terminal electrical connection, B phases the second binding post of the second normally opened contact of overload relay and the second normally opened contact of C phases overload relay first
Binding post is electrically connected, and C phases overload relay the second binding post of the second normally opened contact is connected with power cathode.
Above-mentioned to may also include terminal board, the terminal board includes D20 binding posts, D21 binding posts, A phases
The binding post of overload relay first is electrically connected with D20 binding posts one end, and the D20 binding posts other end is public with measure and control device remote signalling
Altogether end electrical connection, the second binding post of C phases overload relay is electrically connected with D21 binding posts one end, the D21 binding posts other end and
No. 11 terminals electrical connections of measure and control device.
This utility model reasonable and compact in structure, it is easy to use, by the series connection overload in chopper tank body heating circuit
Relay, overload relay starting operation contact is sent to transformer station measurement and control device in the way of remote signalling through control cable,
Again through telecontrol communication machine and monitoring backstage by overload relay action message send to save adjust, the upper strata Dispatching monitor and control system such as adjust,
The direct tour of monitoring backstage is realized, while realizing the monitoring to chopper heating circuit and pre- alarm, people is effectively reduced
Power tour time, is prevented effectively from generation power outage.
Description of the drawings
Accompanying drawing 1 is added hot loop connection diagram for each phase overload relay of this utility model with each.
Accompanying drawing 2 is that each phase overload relay of this utility model electrically connects schematic diagram.
Accompanying drawing 3 is this utility model terminal board and measure and control device connection diagram.
Accompanying drawing 4 electrically connects schematic diagram for each phase overload relay of this utility model with display lamp,
Coding in accompanying drawing is respectively：GLA is A phase overload relays, and GLB is B phase overload relays, and GLC transships for C phases
Relay, A-TB2 is terminal board, and GLA-1 is A phases the first normally opened contact of overload relay, and GLB-1 transships relay for B phases
The normally opened contact of device first, GLC-1 is C phases the first normally opened contact of overload relay, and GLA-2 is that A phases overload relay second is normally opened
Contact, GLB-2 is B phases the second normally opened contact of overload relay, and GLC-2 is C phases the second normally opened contact of overload relay.
Specific embodiment
This utility model is not limited by following embodiments, can according to the technical solution of the utility model and practical situation come
Determine specific embodiment.
This utility model is further described with reference to embodiment and accompanying drawing：
As shown in accompanying drawing 1,2,3, the chopper heating circuit monitoring device includes A phase chopper tank body heating circuits, B phases
Chopper tank body heating circuit, C phase chopper tank body heating circuits, measure and control device, A phase overload relay GLA, B phases transship after
Electrical equipment GLB and C phase transships, C phase overload relay GLC coil and C phase chopper electrically coupled in series with B phase chopper tank body heating circuits
Tank body heating circuit is electrically coupled in series, and A phases overload relay the first normally opened contact the first binding posts of GLA-1 are public with measure and control device remote signalling
End electrical connection, A phases overload relay the second binding posts of the first normally opened contact GLA-1 and B phases the first normally opened contact of overload relay
The electrical connection of the binding posts of GLB-1 first, B phases overload relay the second binding posts of the first normally opened contact GLB-1 and C phase overload relays
First the first binding posts of normally opened contact GLC-1 electrically connect, C phases overload relay the second binding posts of the first normally opened contact GLC-1 with
Measure and control device terminals are electrically connected.In real work, in the case where SF6 chopper tank body heating circuits do not work, arrange
Overload relay action current is the 1/2 of SF6 chopper tank body heating circuit rated operational currents, and overload relay is failure to actuate；
When SF6 chopper tank bodies heating circuit works, SF6 chopper tank body heating circuits operating current is opened more than overload relay
Streaming current, first normally opened contact of A phase overload relay GLA is connected and sent to transformer station's survey by controlling cable in remote signalling mode
Control device, then overload relay action message is sent to upper strata scheduling prison through data communication gateway machine and monitoring backstage main frame
Control system, realizes that monitoring backstage is directly maked an inspection tour, and realizes the monitoring to SF6 chopper heating circuits and pre- alarm.Here observing and controlling
Device is existing known technology, is here primarily intended for monitoring SF6 chopper tank body heating circuit working signals, substitutes manual site
Make an inspection tour.
Above-mentioned chopper heating circuit monitoring device can be made further optimization and/or improvements according to actual needs：
As shown in accompanying drawing 1,2,3,4, A phases overload relay GLA, B phase overload relay GLB, C phase overload relay
GLC is also equipped with the second normally opened contact, and on A phases overload relay the second normally opened contact the first binding posts of GLA-2 finger is electrically connected with
Show lamp, the other end of display lamp is electrically connected with positive source, A phase overload relays the second binding post of the second normally opened contacts of GLA and B
The first binding post of phase overload relay the second normally opened contacts of GLB is electrically connected, the second normally opened contacts of B phase overload relay GLB second
Binding post is electrically connected with C phase overload relay GLC the first binding posts of the second normally opened contact, and C phase overload relay GLC second are normally opened
The binding post of contact second is connected with power cathode.Here A phase overload relay the second normally opened contacts of GLA, B phase overload relays
The normally opened contacts of GLB second, the second normally opened contacts of C phase overload relay GLC disconnect SF6 chopper tank body heating circuits after connecting,
And start live heating starting display lamp, and point out field personnel to be safeguarded, display lamp here is red cold light lamp, is risen
To the effect of early warning.
As shown in accompanying drawing 1,2,3, also including terminal board A-TB2, the terminal board A-TB2 includes D20 wiring
Terminal, D21 binding posts, the first binding posts of the A phases overload relay GLA are electrically connected with D20 binding posts one end, and D20 connects
The line terminals other end is electrically connected with measure and control device remote signalling common port, C the second binding posts of phase overload relay GLC and D21 terminals
Sub- one end electrical connection, No. 11 terminals of the D21 binding posts other end and measure and control device are electrically connected.Used here as terminal board A-
TB2 is conducive to when there is fortuitous event, is more convenient other electrical equipments and accesses in this utility model.
Above technical characteristic constitutes most preferred embodiment of the present utility model, and it has stronger adaptability and optimal enforcement
Effect, can according to actual needs increase and decrease non-essential technical characteristic to meet the demand of different situations.
Claims (3)
1. a kind of chopper heating circuit monitoring device, including A phase chopper tank body heating circuit, the heating of B phase choppers tank body
Loop, C phases chopper tank body heating circuit and measure and control device, it is characterised in that also including A phase overload relays, B phases transship after
Electrical equipment and C phase overload relays, the A phases overload relay coil is electrically coupled in series with A phase tank body heating circuits, and B phases transship relay
Device coil is electrically coupled in series with B phase tank body heating circuits, and C phase overload relay coils are electrically coupled in series with C phase tank body heating circuits, A phase mistakes
Carry the binding post of relay normally open contact first to electrically connect with measure and control device remote signalling common port, A phase overload relays normally opened contact the
Two binding posts are electrically connected with B phase overload relay the first binding posts of normally opened contact, B phase overload relay the second wiring of normally opened contact
Post is electrically connected with C phase overload relay the first binding posts of normally opened contact, C the second binding posts of phase overload relay normally opened contact with survey
The terminals electrical connection of control device.
2. chopper heating circuit monitoring device according to claim 1, it is characterised in that the A phases overload relay, B
Phase overload relay, C phases overload relay are also equipped with the second normally opened contact, the second normally opened contact of A phases overload relay first
Display lamp is electrically connected with binding post, the other end of display lamp is electrically connected with positive source, A phases overload relay second is normally opened to be touched
The second binding post of point is electrically connected with B phases overload relay the first binding post of the second normally opened contact, and B phases overload relay second is normally opened
The binding post of contact second is electrically connected with C phases overload relay the first binding post of the second normally opened contact, and C phases overload relay second is normal
Open the binding post of contact second to be connected with power cathode.
3. chopper heating circuit monitoring device according to claim 1 and 2, it is characterised in that also including binding post
Plate, the terminal board includes D20 binding posts, D21 binding posts, A phase overload relay the first binding posts of normally opened contact
Electrically connect with D20 binding posts one end, the D20 binding posts other end is electrically connected with measure and control device remote signalling common port, C phases transship after
The binding post of electrical equipment normally opened contact second is electrically connected with D21 binding posts one end, the D21 binding posts other end and measure and control device 11
Terminals are electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621116010.2U CN206132883U (en) | 2016-10-12 | 2016-10-12 | Circuit breaker heating circuit monitoring devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621116010.2U CN206132883U (en) | 2016-10-12 | 2016-10-12 | Circuit breaker heating circuit monitoring devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206132883U true CN206132883U (en) | 2017-04-26 |
Family
ID=58572833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621116010.2U Active CN206132883U (en) | 2016-10-12 | 2016-10-12 | Circuit breaker heating circuit monitoring devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206132883U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107907751A (en) * | 2017-06-22 | 2018-04-13 | 国网浙江省电力公司湖州供电公司 | Automatic alarm heater monitoring arrangement |
-
2016
- 2016-10-12 CN CN201621116010.2U patent/CN206132883U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107907751A (en) * | 2017-06-22 | 2018-04-13 | 国网浙江省电力公司湖州供电公司 | Automatic alarm heater monitoring arrangement |
| CN107907751B (en) * | 2017-06-22 | 2019-08-06 | 国网浙江省电力公司湖州供电公司 | Automatic alarm heater monitoring arrangement |
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