CN205863761U - A kind of high-tension switch gear electric interlocking loop - Google Patents
A kind of high-tension switch gear electric interlocking loop Download PDFInfo
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- CN205863761U CN205863761U CN201620468965.8U CN201620468965U CN205863761U CN 205863761 U CN205863761 U CN 205863761U CN 201620468965 U CN201620468965 U CN 201620468965U CN 205863761 U CN205863761 U CN 205863761U
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- trolley
- circuit breaker
- locking
- testing position
- latching electromagnet
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- 238000002955 isolation Methods 0.000 claims abstract description 56
- 238000012360 testing method Methods 0.000 claims description 153
- 230000005611 electricity Effects 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Abstract
The utility model discloses a kind of high-tension switch gear electric interlocking loop, including lead-in circuit breaker cabinet electric interlocking loop, feeder breaker cabinet electric interlocking loop, the electric interlocking loop of bus cabinet, mother isolation cabinet electric interlocking loop and voltage transformer cabinet electric interlocking loop.This utility model is reasonable in design, simple in construction, safe and reliable, the perfect electric interlocking loop of switch cubicle, it is possible to realize " five prevent " requirement, it is ensured that the person.
Description
Technical field
This utility model relates to high-tension switch gear technical field, is related specifically to a kind of high-tension switch gear electric interlock
Loop.
Background technology
The interlocking of high-tension switch cabinet is to ensure that power network safe operation, guarantees equipment and personal safety, prevents maloperation
Important measures.This is also made explicit provisions by GB3906 " 3-35kV ac metal closing switch gear ".Typically interlocking is described
For: prevent from dividing by mistake, closing chopper；Prevent on-load from dividing, close disconnecting switch；Prevent band cable address (conjunction) earth lead (earthed switch)；
Prevent line with ground (switch) from closing chopper, on-load switch: preventing mistakenly entering charged chamber, above-mentioned five prevent electric misoperation
Content, is called for short " five prevent "." five prevent " device generally can be divided into machinery, electric and comprehensive three classes.
In power system, 10kV voltage switchgear is widely used at present, although voltage switchgear itself possesses certain machine
Tool anti-error function, but functionally, five anti-functions also cannot be fully achieved, still have the interlocking of many high-tension switch cabinets especially
It is electric interlock still imperfection, still can not be fully achieved realization " five prevent " requirement, bring potential safety hazard secondary to operator
In loop, the anti-jump loop of chopper mainly uses breaker mechanism anti-jump.And preventing for primary cut-out in prior art
There is certain design defect in rebound road, particularly under coordinating with microcomputer protective relay device, posting easily occurs in anti-jump loop
Raw loop problem, even if anti-jump relay tip still can not reset after failture evacuation, cannot close after causing chopper tripping again
Lock, thus bring bigger inconvenience to user.
But for the deficiencies in the prior art, developer is necessary to develop a kind of reasonable in design, simple in construction, safety can
Lean on, the perfect electric interlocking loop of switch cubicle, it is possible to realize " five prevent " requirement, it is ensured that the height of the person and equipment safety presses off
Pass equipment electric interlocking loop.
Utility model content
For solving the problem that prior art exists, this utility model purpose provides a kind of reasonable in design, simple in construction, peace
The most reliable, the perfect electric interlocking loop of switch cubicle, ensure that the person and the high-tension switch gear electric interlock of equipment safety
Loop.
For solving above technical problem, this utility model realizes by the following technical solutions:
A kind of high-tension switch gear electric interlocking loop, including lead-in circuit breaker cabinet electric interlocking loop, feeder breaker
Cabinet electric interlocking loop, the electric interlocking loop of bus cabinet, mother isolation cabinet electric interlocking loop and voltage transformer
Cabinet electric interlocking loop, it is characterised in that
Described lead-in circuit breaker cabinet electric interlocking loop includes the first back door locked loop, the first closing locking circuit and
One circuit breaker trolley locked loop；Described first back door locked loop includes the first back door latching electromagnet, the first electrification in high voltage
Display locking normally-closed contact and the first circuit breaker trolley testing position, the first end of described first circuit breaker trolley testing position
It is connected with the positive pole of locking power supply, the second end of described first circuit breaker trolley testing position and the first high-voltage charge display device
First end of locking normally-closed contact is connected, after second end and first of described first high-voltage charge display device locking normally-closed contact
First end of door latching electromagnet is connected, and described second end of the first back door latching electromagnet is connected with the negative pole of locking power supply
Connect；Described first closing locking circuit includes the first breaker closing latching electromagnet and the second circuit breaker trolley testing position,
Described first end of the second circuit breaker trolley testing position is connected with the positive pole of locking power supply, described second circuit breaker trolley examination
First end of the second end and the first breaker closing latching electromagnet of testing position is connected, described first breaker closing locking
Second end of electric magnet is connected with the negative pole of locking power supply；Described first circuit breaker trolley locked loop includes the first chopper
Dolly operating position, the first circuit breaker trolley latching electromagnet, the first grounding trolley testing position, gate travel switch after first
With switch test position, high pressure side joint ground, the first end of switch test position, described high pressure side joint ground is with locking power supply just
Pole is connected, and the first end gating travel switch after second end and first of switch test position, described high pressure side joint ground is connected
Connecing, the first end of the second end and the first grounding trolley testing position that gate travel switch after described first is connected, and described
Second end of one grounding trolley testing position is little with the first end of the first circuit breaker trolley operating position and the first chopper respectively
First end of car latching electromagnet is connected, the second end of described first circuit breaker trolley operating position and the second circuit breaker trolley
Second end of testing position is connected, the second end of described first circuit breaker trolley latching electromagnet and the negative pole phase of locking power supply
Connect；
Described feeder breaker cabinet electric interlocking loop includes the second back door locked loop, the second closing locking circuit, connects
Circuit breaker lock loop, ground and the second circuit breaker trolley locked loop；Described second back door locked loop includes the second back door locking electricity
Magnet, the second high-voltage charge display device locking normally-closed contact, the 3rd circuit breaker trolley testing position, described 3rd circuit breaker trolley
First end of testing position is connected with the positive pole of locking power supply, the second end of described 3rd circuit breaker trolley testing position and
First end of two high-voltage charge display device locking normally-closed contacts is connected, described second high-voltage charge display device locking normally-closed contact
The second end and the first end of the second back door latching electromagnet be connected, the second end of described second back door latching electromagnet with close
The negative pole of lock power supply is connected；Described earthed switch locked loop includes that earthed switch latching electromagnet, described earthed switch close
First end of lock electric magnet and the second end of the second high-voltage charge display device locking normally-closed contact are connected, described second high pressure belt
Electricity the second end of display locking normally-closed contact is connected with the negative pole of locking power supply；Described second closing locking circuit includes
Two breaker closing latching electromagnets and the 4th circuit breaker trolley testing position, the of described 4th circuit breaker trolley testing position
One end is connected with the positive pole of locking power supply, the second end of described 4th circuit breaker trolley testing position and the second breaker closing
First end of latching electromagnet is connected, the second end of described second breaker closing latching electromagnet and the negative pole of locking power supply
It is connected；Described second circuit breaker trolley locked loop includes that the second circuit breaker trolley operating position, the second circuit breaker trolley close
Gate travel switch after lock electric magnet, the second grounding trolley testing position and second, after described second, gate the of travel switch
One end is connected with the positive pole of locking power supply, gates the second end and the second grounding trolley test position of travel switch after described second
The first end put is connected, the second end of described second grounding trolley testing position respectively with the second circuit breaker trolley operating position
The first end and the first end of the second circuit breaker trolley latching electromagnet be connected, described second circuit breaker trolley operating position
Second end of the second end and the 4th circuit breaker trolley testing position is connected, the of described second circuit breaker trolley latching electromagnet
Two ends are connected with the negative pole of locking power supply；
The electric interlocking loop of described bus cabinet include the 3rd back door locked loop, the 3rd closing locking circuit and
3rd circuit breaker trolley locked loop；Described 3rd back door locked loop includes the 3rd back door latching electromagnet, the 3rd high pressure belt
Electricity display locking normally-closed contact, the 4th circuit breaker trolley testing position and the first mother isolation trolley testing position, described the
First end of one mother isolation trolley testing position is connected with the positive pole of locking power supply, described first mother isolation trolley test
Second end of position and the first end of the 4th circuit breaker trolley testing position are connected, described 4th circuit breaker trolley testing position
The second end and the first end of the 3rd high-voltage charge display device locking normally-closed contact be connected, described 3rd high-voltage charge display device
Second end of locking normally-closed contact and the first end of the 3rd back door latching electromagnet are connected, described 3rd back door latching electromagnet
The second end be connected with the negative pole of locking power supply；Described 3rd closing locking circuit includes the 3rd breaker closing locking electromagnetism
Ferrum and the 5th circuit breaker trolley testing position, the first end of described 5th circuit breaker trolley testing position and the positive pole of locking power supply
It is connected, the second end of described 5th circuit breaker trolley testing position and the first end phase of the 3rd breaker closing latching electromagnet
Connecting, described second end of the 3rd breaker closing latching electromagnet is connected with the negative pole of locking power supply；Described 3rd open circuit
Device dolly locked loop includes that the 3rd connects circuit breaker trolley operating position, the 3rd circuit breaker trolley latching electromagnet, the 3rd back door
Gate after control travel switch, mother isolation cabinet travel switch, the second mother isolation trolley testing position, second female grounding trolley and
First female grounding trolley, described first female first end of grounding trolley is connected with the positive pole of locking power supply, and described first mother connects
First end of the second end of ground dolly and second female grounding trolley is connected, second end and second of described second female grounding trolley
First end of mother isolation trolley testing position is connected, the second end of described second mother isolation trolley testing position and mother
The first end gating travel switch after isolation cabinet is connected, and gates second end and the 3rd of travel switch after described mother isolation cabinet
First end of rear gate travel switch is connected, and the second end gating travel switch after the described 3rd connects chopper with the 3rd respectively
First end of dolly operating position and the first end of the 3rd circuit breaker trolley latching electromagnet are connected, and the described 3rd connects chopper
Second end of dolly operating position and the second end of the 5th circuit breaker trolley testing position are connected, described 3rd circuit breaker trolley
Second end of latching electromagnet is connected with the positive pole of locking power supply；
Described mother isolation cabinet electric interlocking loop includes the 4th back door locked loop and mother isolation trolley locked loop；
Described 4th back door locked loop include the 4th back door latching electromagnet, the 4th high-voltage charge display device locking normally-closed contact,
Three mother isolation trolley testing positions and the first bus dolly testing position, described first bus dolly test
First end of position is connected with the positive pole of locking power supply, the second end of described first bus dolly testing position and
First end of three mother isolation trolley testing positions is connected, the second end of described 3rd mother isolation trolley testing position and
First end of four high-voltage charge display device locking normally-closed contacts is connected, described 4th high-voltage charge display device locking normally-closed contact
The second end and the first end of the 4th back door latching electromagnet be connected, the second end of described 4th back door latching electromagnet with close
The negative pole of lock power supply is connected；Described mother isolation trolley locked loop includes mother isolation trolley latching electromagnet, after the 4th
Gate travel switch after gate travel switch and bus cabinet, after described bus cabinet, gate the first of travel switch
End is connected with the second end of the first bus dolly testing position, gates travel switch after described bus cabinet
The first end gating travel switch after second end and the 4th is connected, and gates the second end and the mother of travel switch after the described 4th
First end of isolation trolley latching electromagnet is connected, the second end of described mother isolation trolley latching electromagnet and locking power supply
Negative pole be connected；
Described voltage transformer cabinet electric interlocking loop includes grounding trolley locked loop, the 5th back door locked loop and melts
Disconnected device dolly locked loop；Described grounding trolley locked loop includes that grounding trolley latching electromagnet, lead-in circuit breaker dolly try
Test position and the second bus dolly testing position, the first end of described second bus dolly testing position with close
The positive pole of lock power supply is connected, and the second end of described second bus dolly testing position is tested with lead-in circuit breaker dolly
First end of position is connected, the of the second end of described lead-in circuit breaker dolly testing position and grounding trolley latching electromagnet
One end is connected, and the second end of described grounding trolley latching electromagnet is connected with the negative pole of locking power supply；Described 5th back door
Locked loop includes the 5th back door latching electromagnet, the 5th high-voltage charge display device locking normally-closed contact and the test of fuse dolly
Position, described first end of fuse dolly testing position is connected with the positive pole of locking power supply, and described fuse dolly is tested
Second end of position and the first end of the 5th high-voltage charge display device locking normally-closed contact are connected, and described 5th electrification in high voltage shows
Show that the second end of device locking normally-closed contact and the first end of the 5th back door latching electromagnet are connected, described 5th back door locking electricity
Second end of Magnet is connected with the negative pole of locking power supply；Described fuse dolly locked loop includes fuse dolly locking electricity
Gate travel switch after Magnet RD-YO and the 5th, after the described 5th, gate the first end of travel switch and the positive pole of locking power supply
Being connected, the first end of the second end and fuse dolly latching electromagnet RD-YO that gate travel switch after the described 5th is connected
Connecing, second end of described fuse dolly latching electromagnet RD-YO is connected with the negative pole of locking power supply.
Compared with prior art, this utility model uses the loop of above structure, it is possible to improve the electric interlock of switch cubicle
Loop, it is possible to realize " five prevent " requirement, it is ensured that the person, additionally so that it is the loop global design of structure rationally, simple in construction,
Safe and reliable.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is only
It is embodiments more of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work
Under, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is lead-in circuit breaker cabinet electric interlocking loop schematic diagram of the present utility model.
Fig. 2 is feeder breaker cabinet electric interlocking loop schematic diagram of the present utility model.
Fig. 3 is the electric interlocking loop schematic diagram of bus cabinet of the present utility model.
Fig. 4 is that mother of the present utility model isolates cabinet electric interlocking loop schematic diagram.
Fig. 5 is voltage transformer cabinet electric interlocking loop schematic diagram of the present utility model.
Detailed description of the invention
For the technological means making this utility model realize, creation characteristic, reach purpose and be easy to understand with effect, under
Face combines and is specifically illustrating, and this utility model is expanded on further.
A kind of high-tension switch gear electric interlocking loop, including lead-in circuit breaker cabinet electric interlocking loop, feeder breaker
Cabinet electric interlocking loop, the electric interlocking loop of bus cabinet, mother isolation cabinet electric interlocking loop and voltage transformer
Cabinet electric interlocking loop.
With reference to shown in Fig. 1, lead-in circuit breaker cabinet electric interlocking loop includes the first back door locked loop, the first closing locking
Loop and the first circuit breaker trolley locked loop.
First back door locked loop includes that the first back door latching electromagnet HM-DCS, the first high-voltage charge display device locking are normal
Closed contact DXK and the first circuit breaker trolley testing position DL-SWK, the first end of the first circuit breaker trolley testing position DL-SWK
It is connected with the positive pole+BSM of locking power supply, the second end of the first circuit breaker trolley testing position DL-SWK and the first electrification in high voltage
First end of display locking normally-closed contact DXK is connected, second end of the first high-voltage charge display device locking normally-closed contact DXK
Be connected with first end of the first back door latching electromagnet HM-DCS, second end of the first back door latching electromagnet HM-DCS with close
Negative pole-the BSM of lock power supply is connected.
First closing locking circuit includes the first breaker closing latching electromagnet DL-Y1 and the test of the second circuit breaker trolley
Position DL-SWK, the first end of the second circuit breaker trolley testing position DL-SWK is connected with the positive pole+BSM of locking power supply, the
Second end of two circuit breaker trolley testing positions DL-SWK and first end of the first breaker closing latching electromagnet DL-Y1 are connected
Connecing, second end of the first breaker closing latching electromagnet DL-Y1 is connected with the negative pole-BSM of locking power supply.
First circuit breaker trolley locked loop includes the first circuit breaker trolley operating position DL-GWK, the first circuit breaker trolley
Latching electromagnet DL-YO, the first grounding trolley testing position JD-SWK, gate travel switch HMK and high pressure side joint after first
Ground switch test position GG-SWK, the positive pole of the first end and the locking power supply of high pressure side joint ground switch test position GG-SWK+
BSM is connected, and gates the first of travel switch HMK after second end and first of high pressure side joint ground switch test position GG-SWK
End is connected, and gates the second end and the first end phase of the first grounding trolley testing position JD-SWK of travel switch HMK after first
Connect, the second end of the first grounding trolley testing position JD-SWK respectively with the of the first circuit breaker trolley operating position DL-GWK
One end is connected with first end of the first circuit breaker trolley latching electromagnet DL-YO, the first circuit breaker trolley operating position DL-
Second end of GWK and the second end of the second circuit breaker trolley testing position DL-SWK are connected, the first circuit breaker trolley locking electricity
Second end of Magnet DL-YO is connected with the negative pole-BSM of locking power supply.
With reference to shown in Fig. 2, feeder breaker cabinet electric interlocking loop includes the second back door locked loop, the second closing locking
Loop, earthed switch locked loop and the second circuit breaker trolley locked loop.
Second back door locked loop includes that the second back door latching electromagnet HM-DCS, the second high-voltage charge display device locking are normal
Closed contact DXK, the 3rd circuit breaker trolley testing position DL-SWK, the first end of the 3rd circuit breaker trolley testing position DL-SWK with
Positive pole+the BSM of locking power supply is connected, and the second end of the 3rd circuit breaker trolley testing position DL-SWK and the second electrification in high voltage show
Show that first end of device locking normally-closed contact DXK is connected, second end of the second high-voltage charge display device locking normally-closed contact DXK with
First end of the second back door latching electromagnet HM-DCS is connected, second end of the second back door latching electromagnet HM-DCS and locking
Negative pole-the BSM of power supply is connected.
Earthed switch locked loop includes earthed switch latching electromagnet DG-DCS, earthed switch latching electromagnet DG-DCS
The first end and second end of the second high-voltage charge display device locking normally-closed contact DXK be connected, the second high-voltage charge display device
Second end of locking normally-closed contact DXK is connected with the negative pole-BSM of locking power supply.
Second closing locking circuit includes the second breaker closing latching electromagnet DL-Y1 and the test of the 4th circuit breaker trolley
Position DL-SWK, the first end of the 4th circuit breaker trolley testing position DL-SWK is connected with the positive pole+BSM of locking power supply, the
Second end of four circuit breaker trolley testing positions DL-SWK and first end of the second breaker closing latching electromagnet DL-Y1 are connected
Connecing, second end of the second breaker closing latching electromagnet DL-Y1 is connected with the negative pole-BSM of locking power supply.
Second circuit breaker trolley locked loop includes the second circuit breaker trolley operating position DL-GWK, the second circuit breaker trolley
Gate travel switch HMK after latching electromagnet DL-YO, the second grounding trolley testing position JD-SWK and second, gate after second
First end of travel switch HMK is connected with the positive pole+BSM of locking power supply, after second gate travel switch HMK the second end with
First end of the second grounding trolley testing position JD-SWK is connected, and the second end of the second grounding trolley testing position JD-SWK divides
Other the first end and the first of the second circuit breaker trolley latching electromagnet DL-YO with the second circuit breaker trolley operating position DL-GWK
End is connected, second end of the second circuit breaker trolley operating position DL-GWK and the 4th circuit breaker trolley testing position DL-SWK
Second end is connected, and second end of the second circuit breaker trolley latching electromagnet DL-YO is connected with the negative pole-BSM of locking power supply.
With reference to shown in Fig. 3, the electric interlocking loop of bus cabinet includes that the 3rd back door locked loop, the 3rd combined floodgate close
Lock loop and the 3rd circuit breaker trolley locked loop.
3rd back door locked loop includes that the 3rd back door latching electromagnet HM-DCS, the 3rd high-voltage charge display device locking are normal
Closed contact DXK, the 4th circuit breaker trolley testing position DL-SWK and the first mother isolation trolley testing position GL-SWK, first is female
First end of connection isolation trolley testing position GL-SWK is connected with the positive pole+BSM of locking power supply, the first mother isolation trolley examination
First end of the second end and the 4th circuit breaker trolley testing position DL-SWK of testing position GL-SWK is connected, and the 4th chopper is little
Second end of car testing position DL-SWK and first end of the 3rd high-voltage charge display device locking normally-closed contact DXK are connected, the
Second end of three high-voltage charge display device locking normally-closed contact DXK and first end of the 3rd back door latching electromagnet HM-DCS are connected
Connecing, second end of the 3rd back door latching electromagnet HM-DCS is connected with the negative pole-BSM of locking power supply.
3rd closing locking circuit includes the 3rd breaker closing latching electromagnet DL-Y1 and the test of the 5th circuit breaker trolley
Position DL-SWK, the first end of the 5th circuit breaker trolley testing position DL-SWK is connected with the positive pole+BSM of locking power supply, the
Second end of five circuit breaker trolley testing positions DL-SWK and first end of the 3rd breaker closing latching electromagnet DL-Y1 are connected
Connecing, second end of the 3rd breaker closing latching electromagnet DL-Y1 is connected with the negative pole-BSM of locking power supply.
3rd circuit breaker trolley locked loop includes the 3rd, and to connect circuit breaker trolley operating position DL-GWK, the 3rd chopper little
Car latching electromagnet DL-YO, gate travel switch HMK, mother isolation cabinet after the 3rd after gate travel switch HMK1, the second mother
Isolation trolley testing position GL-SWK, the second female grounding trolley JD-SWK1 of female grounding trolley JD-SWK2 and first, the first mother connects
Ground first end of dolly JD-SWK1 is connected with the positive pole+BSM of locking power supply, second end of first female grounding trolley JD-SWK1
It is connected with first end of second female grounding trolley JD-SWK2, second end of second female grounding trolley JD-SWK2 and the second mother
First end of isolation trolley testing position GL-SWK is connected, the second end of the second mother isolation trolley testing position GL-SWK with
The first end gating travel switch HMK1 after mother isolation cabinet is connected, and gates the second of travel switch HMK1 after mother isolation cabinet
End is connected with the first end gating travel switch HMK after the 3rd, and after the 3rd, second end of gate travel switch HMK is respectively with the
Three the first ends meeting circuit breaker trolley operating position DL-GWK and the first end phase of the 3rd circuit breaker trolley latching electromagnet DL-YO
Connecting, the 3rd connects the of second end of circuit breaker trolley operating position DL-GWK and the 5th circuit breaker trolley testing position DL-SWK
Two ends are connected, and second end of the 3rd circuit breaker trolley latching electromagnet DL-YO is connected with the positive pole+BSM of locking power supply.
With reference to shown in Fig. 4, mother isolation cabinet electric interlocking loop includes the 4th back door locked loop and mother isolation trolley
Locked loop.
4th back door locked loop includes that the 4th back door latching electromagnet HM-DCS, the 4th high-voltage charge display device locking are normal
Closed contact DXK, the 3rd mother isolation trolley testing position GL-SWK and the first bus dolly testing position DL-SWK1,
First end of the first bus dolly testing position DL-SWK1 is connected with the positive pole+BSM of locking power supply, the first mother
Second end of circuit breaker trolley testing position DL-SWK1 and the first end of the 3rd mother isolation trolley testing position GL-SWK are connected
Connect, the second end of the 3rd mother isolation trolley testing position GL-SWK and the 4th high-voltage charge display device locking normally-closed contact DXK
The first end be connected, second end of the 4th high-voltage charge display device locking normally-closed contact DXK and the 4th back door latching electromagnet
First end of HM-DCS is connected, and second end of the 4th back door latching electromagnet HM-DCS is connected with the negative pole-BSM of locking power supply
Connect.
Mother isolation trolley locked loop includes mother isolation trolley latching electromagnet GL-YO, gates stroke after the 4th and open
Gate travel switch HMK2 after closing HMK and bus cabinet, after bus cabinet, gate first end of travel switch HMK2
It is connected with the second end of the first bus dolly testing position DL-SWK1, after bus cabinet, gates travel switch
The first end gating travel switch HMK after second end of HMK2 and the 4th is connected, and gates the second of travel switch HMK after the 4th
End is connected with first end of mother isolation trolley latching electromagnet GL-YO, the of mother isolation trolley latching electromagnet GL-YO
Two ends are connected with the negative pole-BSM of locking power supply.
With reference to shown in Fig. 5, voltage transformer cabinet electric interlocking loop includes grounding trolley locked loop, the 5th back door locking
Loop and fuse dolly locked loop.
Grounding trolley locked loop includes grounding trolley latching electromagnet JD-YO, lead-in circuit breaker dolly testing position DL-
SWK2 and the second bus dolly testing position DL-SWK1, the of the second bus dolly testing position DL-SWK1
One end is connected with the positive pole+BSM of locking power supply, the second end of the second bus dolly testing position DL-SWK1 with enter
First end of line circuit breaker trolley testing position DL-SWK2 is connected, the second of lead-in circuit breaker dolly testing position DL-SWK2
End be connected with first end of grounding trolley latching electromagnet JD-YO, second end of grounding trolley latching electromagnet JD-YO with close
Negative pole-the BSM of lock power supply is connected.
5th back door locked loop includes that the 5th back door latching electromagnet HM-DCS, the 5th high-voltage charge display device locking are normal
Closed contact DXK and fuse dolly testing position RD-SWK, the first end of fuse dolly testing position RD-SWK and locking electricity
Positive pole+the BSM in source is connected, and the second end and the 5th high-voltage charge display device locking of fuse dolly testing position RD-SWK are normal
First end of closed contact DXK is connected, and the second end and the 5th back door of the 5th high-voltage charge display device locking normally-closed contact DXK are closed
First end of lock electric magnet HM-DCS is connected, and second end of the 5th back door latching electromagnet HM-DCS is negative with locking power supply
Pole-BSM is connected.
Fuse dolly locked loop gates travel switch after including fuse dolly latching electromagnet RD-YO and the 5th
HMK, the first end gating travel switch HMK after the 5th is connected with the positive pole+BSM of locking power supply, gates stroke and open after the 5th
The second end closing HMK is connected with first end of fuse dolly latching electromagnet RD-YO, fuse dolly latching electromagnet
Second end of RD-YO is connected with the negative pole-BSM of locking power supply.
This utility model uses the loop of above structure in sum, it is possible to improve the electric interlocking loop of switch cubicle, energy
Enough realize " five prevent " requirement, it is ensured that the person, additionally so that it is the loop global design of structure is rationally, simple in construction, safety can
Lean on.
Of the present utility model ultimate principle, principal character and of the present utility model advantage have more than been shown and described.One's own profession
Skilled person will appreciate that of industry, this utility model is not restricted to the described embodiments, described in above-described embodiment and description
Principle of the present utility model is simply described, on the premise of without departing from this utility model spirit and scope, this utility model also can
There are various changes and modifications, in the range of these changes and improvements both fall within claimed this utility model.This utility model is wanted
Protection domain is asked to be defined by appending claims and equivalent thereof.
Claims (1)
1. a high-tension switch gear electric interlocking loop, including lead-in circuit breaker cabinet electric interlocking loop, feeder breaker cabinet
Electric interlocking loop, the electric interlocking loop of bus cabinet, mother isolation cabinet electric interlocking loop and voltage transformer cabinet
Electric interlocking loop, it is characterised in that
Described lead-in circuit breaker cabinet electric interlocking loop includes that the first back door locked loop, the first closing locking circuit and first are disconnected
Road device dolly locked loop；Described first back door locked loop includes the first back door latching electromagnet, the first HV live displaying
Device locking normally-closed contact and the first circuit breaker trolley testing position, the first end of described first circuit breaker trolley testing position with close
The positive pole of lock power supply is connected, the second end of described first circuit breaker trolley testing position and the first high-voltage charge display device locking
First end of normally-closed contact is connected, and the second end and first back door of described first high-voltage charge display device locking normally-closed contact are closed
First end of lock electric magnet is connected, and described second end of the first back door latching electromagnet is connected with the negative pole of locking power supply；
Described first closing locking circuit includes the first breaker closing latching electromagnet and the second circuit breaker trolley testing position, described
First end of the second circuit breaker trolley testing position is connected with the positive pole of locking power supply, described second circuit breaker trolley test position
The second end put and the first end of the first breaker closing latching electromagnet are connected, described first breaker closing locking electromagnetism
Second end of ferrum is connected with the negative pole of locking power supply；Described first circuit breaker trolley locked loop includes the first circuit breaker trolley
Operating position, the first circuit breaker trolley latching electromagnet, the first grounding trolley testing position, gate travel switch and height after first
Medium voltage side earthed switch testing position, the first end of switch test position, described high pressure side joint ground and the positive pole phase of locking power supply
Connecting, the first end gating travel switch after second end and first of switch test position, described high pressure side joint ground is connected,
First end of the second end and the first grounding trolley testing position that gate travel switch after described first is connected, and described first connects
Second end the first end and first circuit breaker trolley with the first circuit breaker trolley operating position respectively of ground dolly testing position closes
First end of lock electric magnet is connected, the second end of described first circuit breaker trolley operating position and the test of the second circuit breaker trolley
Second end of position is connected, and described second end of the first circuit breaker trolley latching electromagnet is connected with the negative pole of locking power supply
Connect；
Described feeder breaker cabinet electric interlocking loop includes that the second back door locked loop, the second closing locking circuit, ground connection are opened
Close locked loop and the second circuit breaker trolley locked loop；Described second back door locked loop includes the second back door locking electromagnetism
Ferrum, the second high-voltage charge display device locking normally-closed contact, the 3rd circuit breaker trolley testing position, described 3rd circuit breaker trolley examination
The positive pole of the first end and locking power supply of testing position is connected, second end and second of described 3rd circuit breaker trolley testing position
First end of high-voltage charge display device locking normally-closed contact is connected, described second high-voltage charge display device locking normally-closed contact
First end of the second end and the second back door latching electromagnet is connected, the second end of described second back door latching electromagnet and locking
The negative pole of power supply is connected；Described earthed switch locked loop includes earthed switch latching electromagnet, described earthed switch locking
First end of electric magnet and the second end of the second high-voltage charge display device locking normally-closed contact are connected, described second electrification in high voltage
Second end of display locking normally-closed contact is connected with the negative pole of locking power supply；Described second closing locking circuit includes second
Breaker closing latching electromagnet and the 4th circuit breaker trolley testing position, the first of described 4th circuit breaker trolley testing position
End is connected with the positive pole of locking power supply, and the second end and second breaker closing of described 4th circuit breaker trolley testing position close
First end of lock electric magnet is connected, the second end of described second breaker closing latching electromagnet and the negative pole phase of locking power supply
Connect；Described second circuit breaker trolley locked loop includes the second circuit breaker trolley operating position, the second circuit breaker trolley locking
Gate travel switch after electric magnet, the second grounding trolley testing position and second, after described second, gate the first of travel switch
End is connected with the positive pole of locking power supply, gates the second end and the second grounding trolley testing position of travel switch after described second
The first end be connected, the second end of described second grounding trolley testing position respectively with the second circuit breaker trolley operating position
First end of the first end and the second circuit breaker trolley latching electromagnet is connected, the of described second circuit breaker trolley operating position
Second end of two ends and the 4th circuit breaker trolley testing position is connected, the second of described second circuit breaker trolley latching electromagnet
End is connected with the negative pole of locking power supply；
The electric interlocking loop of described bus cabinet includes the 3rd back door locked loop, the 3rd closing locking circuit and the 3rd
Circuit breaker trolley locked loop；Described 3rd back door locked loop includes that the 3rd back door latching electromagnet, the 3rd electrification in high voltage are aobvious
Showing device locking normally-closed contact, the 4th circuit breaker trolley testing position and the first mother isolation trolley testing position, described first is female
First end of connection isolation trolley testing position is connected with the positive pole of locking power supply, described first mother isolation trolley testing position
The second end and the first end of the 4th circuit breaker trolley testing position be connected, the of described 4th circuit breaker trolley testing position
First end of two ends and the 3rd high-voltage charge display device locking normally-closed contact is connected, described 3rd high-voltage charge display device locking
Second end of normally-closed contact and the first end of the 3rd back door latching electromagnet are connected, the of described 3rd back door latching electromagnet
Two ends are connected with the negative pole of locking power supply；Described 3rd closing locking circuit include the 3rd breaker closing latching electromagnet and
5th circuit breaker trolley testing position, described first end of the 5th circuit breaker trolley testing position is connected with the positive pole of locking power supply
Connecing, the second end of described 5th circuit breaker trolley testing position and the first end of the 3rd breaker closing latching electromagnet are connected
Connecing, described second end of the 3rd breaker closing latching electromagnet is connected with the negative pole of locking power supply；Described 3rd chopper
Dolly locked loop includes the 3rd connecing circuit breaker trolley operating position, the 3rd circuit breaker trolley latching electromagnet, gating after the 3rd
Travel switch, the second mother isolation trolley testing position, second female grounding trolley and the is gated after travel switch, mother isolation cabinet
One female grounding trolley, described first female first end of grounding trolley is connected with the positive pole of locking power supply, described first female ground connection
First end of the second end of dolly and second female grounding trolley is connected, the second end of described second female grounding trolley and the second mother
First end of connection isolation trolley testing position is connected, the second end of described second mother isolation trolley testing position and mother every
The first end gating travel switch after cabinet is connected, after gating second end and the 3rd of travel switch after described mother isolation cabinet
First end of gate travel switch is connected, and gating the second end of travel switch after the described 3rd, to connect chopper with the 3rd respectively little
First end of car operating position and the first end of the 3rd circuit breaker trolley latching electromagnet are connected, and the described 3rd to connect chopper little
Second end of car operating position and the second end of the 5th circuit breaker trolley testing position are connected, and described 3rd circuit breaker trolley closes
Second end of lock electric magnet is connected with the positive pole of locking power supply；
Described mother isolation cabinet electric interlocking loop includes the 4th back door locked loop and mother isolation trolley locked loop；Described
4th back door locked loop includes the 4th back door latching electromagnet, the 4th high-voltage charge display device locking normally-closed contact, the 3rd mother
Connection isolation trolley testing position and the first bus dolly testing position, described first bus dolly testing position
The first end be connected with the positive pole of locking power supply, the second end of described first bus dolly testing position and the 3rd female
First end of connection isolation trolley testing position is connected, the second end of described 3rd mother isolation trolley testing position and the 4th height
First end of pressure electrification display locking normally-closed contact is connected, the of described 4th high-voltage charge display device locking normally-closed contact
First end of two ends and the 4th back door latching electromagnet is connected, the second end of described 4th back door latching electromagnet and locking electricity
The negative pole in source is connected；Described mother isolation trolley locked loop includes mother isolation trolley latching electromagnet, gates after the 4th
Gate travel switch after travel switch and bus cabinet, gate after described bus cabinet the first end of travel switch with
Second end of the first bus dolly testing position is connected, and gates the second of travel switch after described bus cabinet
End is connected with the first end gating travel switch after the 4th, and the second end gating travel switch after the described 4th is isolated with mother
First end of dolly latching electromagnet is connected, and the second end of described mother isolation trolley latching electromagnet is negative with locking power supply
Pole is connected；
Described voltage transformer cabinet electric interlocking loop includes grounding trolley locked loop, the 5th back door locked loop and fuse
Dolly locked loop；Described grounding trolley locked loop includes that position tested by grounding trolley latching electromagnet, lead-in circuit breaker dolly
Put and the second bus dolly testing position, the first end of described second bus dolly testing position and locking electricity
The positive pole in source is connected, the second end of described second bus dolly testing position and lead-in circuit breaker dolly testing position
The first end be connected, the second end of described lead-in circuit breaker dolly testing position and the first end of grounding trolley latching electromagnet
Being connected, the second end of described grounding trolley latching electromagnet is connected with the negative pole of locking power supply；Described 5th back door locking
Loop includes the 5th back door latching electromagnet, the 5th high-voltage charge display device locking normally-closed contact and fuse dolly test position
Putting, described first end of fuse dolly testing position is connected with the positive pole of locking power supply, described fuse dolly test position
The second end put and the first end of the 5th high-voltage charge display device locking normally-closed contact are connected, described 5th HV live displaying
Second end of device locking normally-closed contact and the first end of the 5th back door latching electromagnet are connected, described 5th back door locking electromagnetism
Second end of ferrum is connected with the negative pole of locking power supply；Described fuse dolly locked loop includes fuse dolly locking electromagnetism
Gate travel switch after ferrum RD-YO and the 5th, after the described 5th, gate the first end of travel switch and the positive pole phase of locking power supply
Connecting, the first end of the second end and fuse dolly latching electromagnet RD-YO that gate travel switch after the described 5th is connected,
Second end of described fuse dolly latching electromagnet RD-YO is connected with the negative pole of locking power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620468965.8U CN205863761U (en) | 2016-05-20 | 2016-05-20 | A kind of high-tension switch gear electric interlocking loop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620468965.8U CN205863761U (en) | 2016-05-20 | 2016-05-20 | A kind of high-tension switch gear electric interlocking loop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205863761U true CN205863761U (en) | 2017-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620468965.8U Active CN205863761U (en) | 2016-05-20 | 2016-05-20 | A kind of high-tension switch gear electric interlocking loop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205863761U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105811290A (en) * | 2016-05-20 | 2016-07-27 | 湖南雁能森源电力设备有限公司 | Electrical interlocking circuit for high-voltage switchgear |
| CN109659841A (en) * | 2018-12-19 | 2019-04-19 | 达实电力建设有限公司 | A kind of isolation cabinet secondary connection circuit |
-
2016
- 2016-05-20 CN CN201620468965.8U patent/CN205863761U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105811290A (en) * | 2016-05-20 | 2016-07-27 | 湖南雁能森源电力设备有限公司 | Electrical interlocking circuit for high-voltage switchgear |
| CN109659841A (en) * | 2018-12-19 | 2019-04-19 | 达实电力建设有限公司 | A kind of isolation cabinet secondary connection circuit |
| CN109659841B (en) * | 2018-12-19 | 2020-06-26 | 达实电力建设有限公司 | Secondary wiring circuit of isolation cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 421007 No.1, Baisha South Road, Baishazhou Industrial Park, Yanfeng District, Hengyang City, Hunan Province Patentee after: Hunan Changgao Senyuan Power Equipment Co.,Ltd. Country or region after: China Address before: 421001 No. 1, Baisha South Road, Baishazhou Industrial Park, Yanfeng District, Hengyang City, Hunan Province Patentee before: HUNAN YANNENG SENYUAN ELECTRIC POWER EQUIPMENT CO.,LTD. Country or region before: China |
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| CP03 | Change of name, title or address |