CN206742837U - A kind of energy storage motor control loop of self-energy sulfur hexafluoride circuit breaker - Google Patents
A kind of energy storage motor control loop of self-energy sulfur hexafluoride circuit breaker Download PDFInfo
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- CN206742837U CN206742837U CN201720655576.0U CN201720655576U CN206742837U CN 206742837 U CN206742837 U CN 206742837U CN 201720655576 U CN201720655576 U CN 201720655576U CN 206742837 U CN206742837 U CN 206742837U
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- energy storage
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- relay
- energy
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- 238000004146 energy storage Methods 0.000 title claims abstract description 75
- 229910018503 SF6 Inorganic materials 0.000 title claims abstract description 17
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 229960000909 sulfur hexafluoride Drugs 0.000 title claims abstract description 17
- 238000011084 recovery Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a kind of energy storage motor control loop of self-energy sulfur hexafluoride circuit breaker, including motor power loop and motor energy storage control loop, the motor power loop has the normally opened contact of energy storage air switch and energy storage A.C. contactor, the motor energy storage control loop includes ac circuit and DC loop, wherein, the ac circuit is serially connected on the motor power loop, the DC loop has control power supply air switch, energy storage travel switch, and the control coil of energy storage auxiliary reclay and the control coil of energy storage time relay in parallel, also include：AC relay, wherein, the control coil of the AC relay is serially connected on the motor power loop, and the normally opened contact of the AC relay is connected with the control coil of the energy storage time relay in the DC loop.Using energy storage motor control loop of the present utility model, after recovery is exchanged, motor control loop can normally start energy storage.
Description
Technical field
It the utility model is related to high-tension switch gear, more particularly to a kind of energy storage motor of self-action sulfur hexafluoride breaker
Control loop.
Background technology
Self-energy sulfur hexafluoride circuit breaker belongs to three-phase alternating current 50Hz outdoor high voltage switchgear, suitable for the defeated change of high pressure
The control and protection of electric system, it is the key equipment of secondary circuit control primary circuit.
By taking LW35-126 type high-voltage switch gears as an example, mainly it is made up of arc-chutes, pedestal, support and spring operating mechanism etc..
The spring operating mechanism includes the parts such as combined floodgate energy-stored spring, ratchet, ratchet and pull bar.
Figures 1 and 2 show that the control loop of the energy storage motor of LW35-126 types switch.In Fig. 1, Q3 is energy storage air
Switch, KM are the control coil of energy storage A.C. contactor, and KM1 and the normally opened contact that KM2 is the energy storage A.C. contactor, K4 are switched
For the normally opened contact of energy storage auxiliary reclay, KT switches are energy storage time relay Time Delay Opening contact；In fig. 2, Q1 is control
Power supply air switch processed, SP1 are energy storage travel switch, and K4 is the control coil of energy storage auxiliary reclay, and KT control coils are storage
The control coil of the energy time relay.
When breaker switching-on operation finishes, energy storage motor M is connect energy by limit switch SP1, and energy storage motor M band pawls push away
Dynamic ratchet turns clockwise, by pull bar by switching-in spring energy storage.
Following extreme problem is run into the maintenance process for implementing breaker：
Whole station exchanges dead electricity, when direct current is normal, if the non-energy storage of switch, KT relays are powered for a long time.
For protecting the KT Time Delay Openings contact of motor to be returned after opening in electric motor loop.At this moment after exchange recovers,
Because KT contacts can not return, motor can not normal energy storage.
Scene returns to KT relays frequently with drawing control power switch Q1 method.
Above-mentioned extreme problem brings hidden danger to the safe operation of power network.
Utility model content
The purpose of this utility model is to provide a kind of energy storage motor control loop of self-action sulfur hexafluoride breaker, with
Ensure normal energy storage of the energy storage motor under above-mentioned extreme case.
Therefore, the utility model provides a kind of energy storage motor control loop of self-energy sulfur hexafluoride circuit breaker, including
Motor power loop and motor energy storage control loop, the motor power loop have energy storage air switch and energy storage ac contactor
The normally opened contact of device, the motor energy storage control loop include ac circuit and DC loop, wherein, the ac circuit concatenation
On the motor power loop, have the control coil of energy storage A.C. contactor, energy storage auxiliary reclay normally opened contact and
The Time Delay Opening contact of energy storage time relay, the DC loop have control power supply air switch, energy storage travel switch, with
And the control coil of energy storage auxiliary reclay and the control coil of energy storage time relay in parallel, in addition to：AC relay,
Wherein, the control coil of the AC relay is serially connected on the motor power loop, and the normally opened of the AC relay touches
Point is connected with the control coil of the energy storage time relay in the DC loop.
Further, above-mentioned self-energy sulfur hexafluoride circuit breaker is the type breakers of LW35-126.
Further, above-mentioned AC relay is alternating current 220V voltage detecting relay.
The utility model is transformed motor control loop, the concatenation exchange relay in alternating current 220V motor power loop
Device K5, in this relay tip concatenation energy storage time relay circuit, during for exchanging dead electricity, turn-off time relay power,
To ensure that its normally closed contact will not be opened.After so exchange recovers, motor control loop can normally start energy storage.
In addition to objects, features and advantages described above, the utility model also has other purposes, feature and excellent
Point.Below with reference to figure, the utility model is described in further detail.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing further understanding to of the present utility model, this practicality
New schematic description and description is used to explain the utility model, does not form to improper restriction of the present utility model.
In the accompanying drawings：
Fig. 1 is the schematic diagram of the energy storage motor control loop of the self-energy sulfur hexafluoride circuit breaker of prior art, wherein, show
Ac circuit part is gone out；
Fig. 2 is the schematic diagram of the energy storage motor control loop of the self-energy sulfur hexafluoride circuit breaker of prior art, wherein, show
DC loop part is gone out；
Fig. 3 be according to the schematic diagram of the energy storage motor control loop of self extinguishing type sulfur hexafluoride cutout of the present utility model,
Wherein, ac circuit part is shown；And
Fig. 4 be according to the schematic diagram of the energy storage motor control loop of self-action sulfur hexafluoride breaker of the present utility model,
Wherein, DC loop part is shown.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
With reference to reference picture 3 and Fig. 4, motor tank circuit includes motor power loop and motor energy storage control loop, described
Motor power loop has the normally opened contact KM1 and KM2 of energy storage air switch Q3 and energy storage A.C. contactor, the motor energy storage
Control loop includes ac circuit and DC loop, wherein, the ac circuit is serially connected on the motor power loop, is had
The delay of energy storage A.C. contactor KM control coil, energy storage auxiliary reclay K4 normally opened contact and energy storage time relay KT
Contact is opened, the DC loop has in control power supply air switch Q1, energy storage travel switch SP1 and the energy storage of parallel connection
Between relay K4 control coil and energy storage time relay KT control coil, in addition to：AC relay K5, wherein, institute
The control coil for stating AC relay K5 is serially connected on the motor power loop, the normally opened contact of the AC relay K5 with
The control coil series connection of energy storage time relay KT in the DC loop.
The utility model is transformed motor control loop, the concatenation exchange relay in alternating current 220V motor power loop
Device K5, in this relay tip concatenation energy storage time relay circuit, during for exchanging dead electricity, turn-off time relay power,
To ensure that its normally closed contact will not be opened.After so exchange recovers, motor control loop can normally start energy storage.This practicality is new
Type does not destroy to the original structure of existing motor control loop, does not increase other hidden danger, overcomes extreme case, and reliability obtains
To raising.
In one embodiment, self-energy sulfur hexafluoride circuit breaker is the type breakers of LW35-126.In the present embodiment,
The types of LW35-126 switch, and are likely to occur after switch closes a floodgate and are unable to energy storage hidden danger, the utility model overcomes the hidden danger.
In one embodiment, above-mentioned AC relay is preferably alternating current 220V voltage detecting relay, to increase reliability.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
Claims (3)
1. a kind of energy storage motor control loop of self-energy sulfur hexafluoride circuit breaker, including motor power loop and motor energy storage control
Loop processed, the motor power loop have the normally opened contact of energy storage air switch and energy storage A.C. contactor, the motor storage
Energy control loop includes ac circuit and DC loop, wherein, the ac circuit is serially connected on the motor power loop, tool
There is the Time Delay Opening of the control coil of energy storage A.C. contactor, the normally opened contact of energy storage auxiliary reclay and energy storage time relay
Contact, the DC loop have control power supply air switch, energy storage travel switch and the energy storage auxiliary reclay of parallel connection
The control coil of control coil and energy storage time relay, it is characterised in that also include：
AC relay, wherein, the control coil of the AC relay is serially connected on the motor power loop, the exchange
The normally opened contact of relay is connected with the control coil of the energy storage time relay in the DC loop.
2. the energy storage motor control loop of self-energy sulfur hexafluoride circuit breaker according to claim 1, it is characterised in that institute
It is the type breakers of LW35-126 to state self-energy sulfur hexafluoride circuit breaker.
3. the energy storage motor control loop of self-energy sulfur hexafluoride circuit breaker according to claim 1, it is characterised in that institute
It is alternating current 220V voltage detecting relay to state AC relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720655576.0U CN206742837U (en) | 2017-06-07 | 2017-06-07 | A kind of energy storage motor control loop of self-energy sulfur hexafluoride circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720655576.0U CN206742837U (en) | 2017-06-07 | 2017-06-07 | A kind of energy storage motor control loop of self-energy sulfur hexafluoride circuit breaker |
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| Publication Number | Publication Date |
|---|---|
| CN206742837U true CN206742837U (en) | 2017-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720655576.0U Active CN206742837U (en) | 2017-06-07 | 2017-06-07 | A kind of energy storage motor control loop of self-energy sulfur hexafluoride circuit breaker |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086538A (en) * | 2017-06-07 | 2017-08-22 | 国网安徽省电力公司安庆供电公司 | A kind of energy storage motor control loop of self-energy sulfur hexafluoride circuit breaker |
-
2017
- 2017-06-07 CN CN201720655576.0U patent/CN206742837U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086538A (en) * | 2017-06-07 | 2017-08-22 | 国网安徽省电力公司安庆供电公司 | A kind of energy storage motor control loop of self-energy sulfur hexafluoride circuit breaker |
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