CN207853305U - A kind of intelligent medium voltage breaker switch - Google Patents
A kind of intelligent medium voltage breaker switch Download PDFInfo
- Publication number
- CN207853305U CN207853305U CN201721765247.8U CN201721765247U CN207853305U CN 207853305 U CN207853305 U CN 207853305U CN 201721765247 U CN201721765247 U CN 201721765247U CN 207853305 U CN207853305 U CN 207853305U
- Authority
- CN
- China
- Prior art keywords
- switch
- gas tank
- cable
- circuit breaker
- outlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The utility model discloses a kind of intelligent medium voltage breakers to switch, voltage transformer is connected to the entrance bushing on switch gas tank by high voltage single-core cable, voltage transformer secondary output end control cable connection to boundary controller, the end of entrance bushing is connected to the inlet wire busbar inside switch gas tank, the leading-out terminal of breaker is connected to the outlet cable casing of switch gas tank by outlet bus, lead collar is equipped with current transformer, Current Transformer Secondary output end is connected to boundary controller, and cabinet outgoing line interval bottom is equipped with zero sequence current mutual inductor.Acquisition of the utility model using boundary controller by controller cable to electric current, voltage signal and on off state, carry out data preparation calculating, realize the manipulation to vacuum circuit breaker switch, it may be implemented to cut off singlephase earth fault and automatism isolation phase fault automatically, fault message is sent to operating personnel or administrative staff.
Description
Technical field
The utility model is related to electric power automation of distributive net technical field, specifically a kind of intelligent medium voltage breaker switch.
Background technology
Growing with power demand, power distribution network is increasingly sophisticated, while requiring power supply quality also higher and higher.And
Due to the expansion of power distribution network, branch line or user equipment failure cause the power failure of whole supply line more and more, it has also become
Influence the principal element of distribution network reliability.When breaking down inside user, the protection of substation's outlet switch can be caused to fall
Lock.If nature of trouble is permanent, substation's unsuccessful reclosing, then the accident in Middle Voltage circle will make whole distribution
Line outage.
Utility model content
The purpose of this utility model is to provide a kind of intelligent medium voltage breakers to switch, to solve in above-mentioned background technology
The problem of proposition.
To achieve the above object, the utility model provides the following technical solutions：
A kind of intelligent medium voltage breaker switch includes cabinet, switch gas tank, vacuum circuit breaker, voltage transformer, electricity
Current transformer, zero sequence current mutual inductor, control cable and boundary controller, the cabinet lower part are equipped with inlet wire cable vault and outlet
Cable vault, the inlet wire cable vault are equipped with voltage transformer, and the voltage transformer is connected to switch gas by single-core cable
Entrance bushing on case, it is described switch gas tank inside entrance bushing end connect inlet wire busbar, inlet wire busbar end with
Horizontal bus connects, and the horizontal bus end is connect with disconnecting switch upper end, and the disconnecting switch lower end connect mother with centre
Line connects, and the intermediate connection busbar end is connect with vacuum circuit breaker upper end, the vacuum circuit breaker lower end and outlet bus
Connection, the outlet bus end are connect with the outlet casing tube end being fixed on switch gas tank, and current transformer covers described
Outlet casing tube is fixed on switch gas tank, and outlet cable room bottom is equipped with zero sequence current mutual inductor.
As further program of the utility model：The inside setting operating mechanism room of cabinet, on the operating mechanism room
Portion is provided with the isolator operating mechanism being connected with disconnecting switch.
As further program of the utility model：Operating mechanism room lower part is provided with to be connected with vacuum circuit breaker
Circuit breaker operation mechanism.
As further program of the utility model：Control room is installed, on control room's door on the operating mechanism room
It is provided with boundary controller, boundary controller is by controlling cable and voltage transformer, current transformer, zero sequence current mutual inductor
And vacuum circuit breaker connection.
As the utility model further scheme：Monitoring switch gas tank internal pressure is equipped in the operating mechanism room
Air gauge.
Compared with prior art, the utility model has the beneficial effects that：The utility model is simple in structure, is controlled using boundary
Acquisition of the device by controller cable to electric current, voltage signal and on off state carries out data preparation calculating, realizes disconnected to vacuum
The manipulation of road device may be implemented to cut off singlephase earth fault and automatism isolation phase fault automatically, and fault message is sent to
Operating personnel or administrative staff, using failure automatic decision isolation technology, all insulation busbar interconnection technique prevents interior arcing design,
Have the advantages that high safety and reliability, non-maintaining, the compact-sized, long-life, small, it is easy to use, it is highly practical.
Description of the drawings
Fig. 1 is the structure left side schematic diagram of the utility model.
Fig. 2 is the structure left side sectional view of the utility model.
Fig. 3 is the structure right side sectional view of the utility model.
Fig. 4 is the structure front section view of the utility model.
In figure：The control rooms 1-, 2- operating mechanisms room, 3- cabinets, 4- switches gas tank, 5- inlet wires cable vault, 6- outlet cables
Room, 7- vacuum circuit breakers, 8- vacuum circuit breaker operating mechanisms, 9- disconnecting switch, 10- isolator operating mechanisms, 11- electricity
Current transformer, 12- zero sequence current mutual inductors, 13- voltage transformers, 14- entrance bushings, 15- outlet casing tubes, 16- inlet wires busbar,
17- horizontal bus, 18- outlet bus, the centres 19- connection busbar, 20- controls cable, 21- boundary controller, 22- single electricity
Cable, 23- air gauges, 24- switching windings, 25- closing coils.
Specific implementation mode
The technical solution of this patent is described in more detail With reference to embodiment.
- 4 are please referred to Fig.1, a kind of intelligent medium voltage breaker switch, it includes cabinet 3, switch gas tank 4, vacuum circuit breaker
Device 7, voltage transformer 13, current transformer 11, zero sequence current mutual inductor 12, control cable 20 and boundary controller 21, it is described
3 lower part of cabinet is equipped with inlet wire cable vault 5 and outlet cable room 6, and the inlet wire cable vault 5 is equipped with voltage transformer 13, described
Voltage transformer 13 by single-core cable 22 be connected to switch gas tank 4 on entrance bushing 14, it is described switch gas tank 4 inside into
14 end of thread casing connects inlet wire busbar 16, and 16 end of inlet wire busbar is connect with horizontal bus 17, the horizontal bus 17
End is connect with 9 upper end of disconnecting switch, and 9 lower end of the disconnecting switch connect busbar 19 with centre and connects, and the intermediate connection is female
19 end of line is connect with 7 upper end of vacuum circuit breaker, and 7 lower end of the vacuum circuit breaker is connect with outlet bus 18, and the outlet is female
18 end of line be fixed on switch gas tank 4 on 15 end of outlet casing tube connect, 11 sets of current transformer the outlet casing tube
15 are fixed on switch gas tank 4, and outlet cable room bottom is equipped with zero sequence current mutual inductor 12.
The inside setting operating mechanism room 2 of cabinet 3,2 top of operating mechanism room is provided with to be connected with disconnecting switch 9
Isolator operating mechanism 10 makes the rotation moving contact rotary motion of disconnecting switch 9, makes rotation by the actuating of disconnecting switch 9
Moving contact is connected to both ends busbar, make disconnecting switch 9 be in close state, when rotation moving contact detached with both ends busbar, make every
Pass 9 is left to be off.
2 lower part of operating mechanism room is provided with the circuit breaker operation mechanism 8 being connected with vacuum circuit breaker 7, disconnected in vacuum
In the state of the energy storage of road device 7, closing operation can be carried out by closing coil 25, vacuum circuit breaker 7 is made to be in connection status, it is complete
At making process, can with switching winding 24 carry out sub-switching operation, so that vacuum circuit breaker 7 is in discrete state, complete separating brake mistake
Journey.
Control room 1 is installed on the operating mechanism room 2, boundary controller 21, boundary control are provided in 1, the control room
Device 21 processed is by controlling cable 20 and voltage transformer 13, current transformer 11, zero sequence current mutual inductor 12 and vacuum circuit breaker
7 connection, boundary controller 21 acquisition, processing current transformer 11, zero sequence current mutual inductor 12,13 signal of voltage transformer and
The position signal of vacuum circuit breaker 7 carries out data preparation calculating, and boundary controller 21 is by driving switching winding 24 and closing a floodgate
Coil 25 realizes the manipulation switched to vacuum circuit breaker 7.
The air gauge 23 of monitoring switch gas tank internal pressure is equipped in the operating mechanism room 2.
The utility model uses failure automatic decision isolation technology, all insulation busbar interconnection technique to prevent interior arcing design, tool
There is high safety and reliability, non-maintaining, the compact-sized, long-life, small.
The better embodiment of this patent is explained in detail above, but this patent is not limited to above-mentioned embodiment party
Formula, one skilled in the relevant art within the scope of knowledge, can also be under the premise of not departing from this patent objective
It makes a variety of changes.
Claims (5)
1. a kind of intelligent medium voltage breaker switch, which is characterized in that include cabinet (3), switch gas tank (4), vacuum circuit breaker
Device (7), voltage transformer (13), current transformer (11), zero sequence current mutual inductor (12), control cable (20) and boundary control
Device (21), cabinet (3) lower part are equipped with inlet wire cable vault (5) and outlet cable room (6), inlet wire cable vault (5) installation
There are voltage transformer (13), the voltage transformer (13) to be connected to the inlet wire on switch gas tank (4) by single-core cable (22)
Casing (14), internal entrance bushing (14) end connection inlet wire busbar (16) of the switch gas tank (4), the inlet wire busbar
(16) end is connect with horizontal bus (17), and horizontal bus (17) end is connect with disconnecting switch (9) upper end, the isolation
Switch (9) lower end connect busbar (19) connection, intermediate connection busbar (19) end and vacuum circuit breaker (7) upper end with centre
Connection, vacuum circuit breaker (7) lower end connect with outlet bus (18), outlet bus (18) end be fixed on switch
Outlet casing tube (15) end connection on gas tank (4), current transformer (11) cover the outlet casing tube (15) and are fixed on switch
On gas tank (4), outlet cable room bottom is equipped with zero sequence current mutual inductor (12).
2. intelligent medium voltage breaker switch according to claim 1, which is characterized in that the inside setting behaviour of cabinet (3)
Make mechanism chamber (2), operating mechanism room (2) top is provided with the isolator operating mechanism being connected with disconnecting switch (9)
(10)。
3. intelligent medium voltage breaker switch according to claim 2, which is characterized in that under the operating mechanism room (2)
Portion is provided with the circuit breaker operation mechanism (8) being connected with vacuum circuit breaker (7).
4. intelligent medium voltage breaker switch according to claim 2, which is characterized in that on the operating mechanism room (2)
It installs control room (1), boundary controller (21) is provided on control room (1) door, boundary controller (21) is by controlling electricity
Cable (20) is connect with voltage transformer (13), current transformer (11), zero sequence current mutual inductor (12) and vacuum circuit breaker (7).
5. intelligent medium voltage breaker switch according to claim 2, which is characterized in that in the operating mechanism room (2)
Air gauge (23) equipped with monitoring switch gas tank internal pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721765247.8U CN207853305U (en) | 2017-12-14 | 2017-12-14 | A kind of intelligent medium voltage breaker switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721765247.8U CN207853305U (en) | 2017-12-14 | 2017-12-14 | A kind of intelligent medium voltage breaker switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207853305U true CN207853305U (en) | 2018-09-11 |
Family
ID=63421119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721765247.8U Expired - Fee Related CN207853305U (en) | 2017-12-14 | 2017-12-14 | A kind of intelligent medium voltage breaker switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207853305U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109346975A (en) * | 2018-11-02 | 2019-02-15 | 泰豪科技(深圳)电力技术有限公司 | One or two fusion gas-filling cabinets |
| CN110364956A (en) * | 2019-06-21 | 2019-10-22 | 莱福士电力电子设备（深圳）有限公司 | A kind of high-tension switch gear |
-
2017
- 2017-12-14 CN CN201721765247.8U patent/CN207853305U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109346975A (en) * | 2018-11-02 | 2019-02-15 | 泰豪科技(深圳)电力技术有限公司 | One or two fusion gas-filling cabinets |
| CN110364956A (en) * | 2019-06-21 | 2019-10-22 | 莱福士电力电子设备（深圳）有限公司 | A kind of high-tension switch gear |
| CN110364956B (en) * | 2019-06-21 | 2021-07-30 | 莱福士电力电子设备（深圳）有限公司 | High-voltage switch device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180911 Termination date: 20191214 |