CN107248707A - A kind of withdraw-type solid-state insulated switchgear - Google Patents
A kind of withdraw-type solid-state insulated switchgear Download PDFInfo
- Publication number
- CN107248707A CN107248707A CN201710659498.6A CN201710659498A CN107248707A CN 107248707 A CN107248707 A CN 107248707A CN 201710659498 A CN201710659498 A CN 201710659498A CN 107248707 A CN107248707 A CN 107248707A
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- CN
- China
- Prior art keywords
- contact
- box
- current transformer
- breaker
- interface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/167—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal truck type
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The present invention relates to a kind of withdraw-type solid-state insulated switchgear, it is characterised in that：It includes insulation shell, be arranged in insulation shell on front side of pole breaker acting arm, the upper and lower contact box side by side up and down being arranged on rear side of the breaker acting arm, the front and rear current transformer being disposed side by side on below the lower contact box and ground connection moving contact and the breaker portion being arranged on below the breaker acting arm；Mume flower contact is provided with upper and lower two contact box, the oral area of two contact boxs, which is provided with a valve, each valve, is provided with seal；Upper and lower the two poles of the earth contact arm front end of breaker acting arm coordinates, breaker acting arm pole lower end is connected with breaker portion with two valve respectively equipped with ring is hit；The current transformer interface and grounding static contact interface that current transformer and ground connection moving contact are set by lower contact box lower end are connected with lower contact box.The present invention can be widely applied to high voltage electric equipment technical field.
Description
Technical field
The present invention relates to mesohigh technical field of electric equipment, it is used to powering and distribution is removed especially with regard to a kind of
Formula solid-state insulated switchgear.
Background technology
At present, the switchgear of prior art can be divided into by structure：Fixed switch arrangement and withdrawing switch apparatus；
It can be divided into again by dielectric：Air, inflation and compound inslation.In the switchgear of air insulation each electric elements and
Galvanic circle exposes in atmosphere, and volume is big and resistance to environment is poor, is unsuitable for two grades of Switching Stations, switching station by urban road etc.
It is required that floor space is small, it is necessary to facility compact, multiple functional equipment installation site.And gas-filling cabinet is mostly fixed, inflation is opened
Close primary conductive part in equipment to be enclosed in SF6 gases, small volume, dielectric level is high, but SF6 gas effect on environment pole
Greatly, it should limit and use.And existing solid insulation equipment is stationary structure, breaker can not be removed, and maintenance is inconvenient, maintenance
Waste time and energy.
The content of the invention
In view of the above-mentioned problems, it is an object of the invention to provide a kind of withdraw-type solid-state insulated switchgear, the switchgear
In breaker can remove, convenient maintenance, and small volume, insulated enclosure is good.
To achieve the above object, the present invention takes following technical scheme：A kind of withdraw-type solid-state insulated switchgear, it is special
Levy and be：It includes insulation shell, the breaker acting arm being arranged in the insulation shell on front side of pole, side by side up and down
It is arranged on the upper and lower contact box on rear side of the breaker acting arm, the front and rear electric current being disposed side by side on below the lower contact box
Transformer and ground connection moving contact and the breaker portion being arranged on below the pole；In upper and lower two contact box
Mume flower contact is provided with, and the oral area of the upper and lower contact box is installed with a valve with back-moving spring, Mei Yisuo respectively
State and be provided with valve for isolating powered on high-tension side seal；Before upper and lower the two poles of the earth contact arm of the breaker acting arm
End coordinates with valve described in two equipped with hitting ring respectively, control upper and lower the two poles of the earth contact arm of the breaker acting arm with it is described above,
Mume flower contact contact or disconnection in lower contact box；The breaker acting arm passes through the pole and the breaker portion
Split-phase connects；The current transformer interface that the current transformer and ground connection moving contact are set by the lower contact box lower end respectively
It is connected with grounding static contact interface with the lower contact box.
Described upper contact head box one end is provided with the three-phase main bus-bar outlet casing tube of opening upwards, and each main bus-bar outlet
Sleeve pipe is integrally formed with the upper contact head box, is in staggered distribution up and down in the upper contact head box end；It is solid inside the upper contact head box
Envelope has three-phase main bus-bar, and main bus-bar one end described in each phase is bolted to connection on the sleeve pipe inside the upper contact head box,
Outer cover is provided with silicon rubber gumshoe；Main bus-bar outlet casing tube is passed the main bus-bar other end described in each phase as described in three-phase respectively.
The normal powered body portion of primary conductive element and grounded part, the lower contact box are sealed with the lower contact box
Bottom is provided with grounding static contact interface summation current transformer interface, and the grounding static contact interface is sealed by grounding contact
It is connected in the ground connection moving contact, the current transformer interface is connected with the current transformer.
Main conductive component is sealed with the current transformer, the current transformer front end is provided with main conductive component and gone out
Thread casing.
Connected between the ground connection moving contact interface and the ground connection moving contact of the lower contact box lower end using Direct Action Type.
The present invention is due to taking above technical scheme, and it has advantages below：1st, the present invention is due to before upper and lower contact box
End is provided with the valve with seal so that when breaker is in work, testing position, moving contact of breaker is sealed in always
In upper and lower contact box, when breaker disconnects, valve closure by live high voltage side isolating seal in upper and lower contact box, is improved
The security of switchgear.2nd, the present invention in upper contact head box above and below three-phase outlet casing tube due to being in staggered distribution in upper contact head box
Rear end, effectively reduces the distance of three-phase electrical body, reduces the volume of switchgear.3rd, the present invention is by institute in switchgear
There are conductive component all sealings, without exposed electrical body, sealing grade reaches IP67, further increases the safety of switchgear
Property.Simple in construction, small volume of the invention, in the research and development that can be widely applied to withdraw-type solid-state insulated switchgear.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the cut-away view of upper contact head box in Fig. 1.
Embodiment
The present invention is described in detail with reference to the accompanying drawings and examples.
As shown in Figure 1 and Figure 2, a kind of withdraw-type solid-state insulated switchgear for providing of the present invention, it include insulation shell 1,
It is arranged in insulation shell 1 the breaker acting arm 2 on front side of pole, side by side up and down is arranged on the rear side of breaker acting arm 2
Upper and lower contact box 3,4, the front and rear current transformer 5 and ground connection moving contact 6 for being disposed side by side on the lower section of lower contact box 4 and set
Put the breaker portion 7 below pole.Mume flower contact, and upper and lower two contact are provided with upper and lower two contact box 3,4
The oral area of box 3,4 is installed with a valve 8 with back-moving spring, each valve 8 respectively to be provided with for isolating powered
On high-tension side seal.Upper and lower the two poles of the earth contact arm front end of breaker acting arm 2 is equipped with ring is hit, respectively with being fixed on upper and lower contact
The valve 8 of box 3,4 coordinates, and upper and lower two contact arm of control breaker acting arm 2 connects with the Mume flower contact in upper and lower contact box 3,4
Touch or disconnect, breaker acting arm 2 is connected by pole with breaker portion 7.Current transformer 5 and ground connection moving contact 6
The current transformer interface and grounding static contact interface set respectively by the lower lower end of contact box 4 is connected with lower contact box 4.
The one end of upper contact head box 3 is provided with the three-phase main bus-bar outlet casing tube 9 of opening upwards, and each main bus-bar outlet casing tube 9
It is integrally formed, is in staggered distribution up and down in the end of upper contact head box 3 with upper contact head box 3.Three-phase main bus-bar is sealed with inside upper contact head box 3
10, each one end of main bus-bar 10 is bolted to connection on the sleeve pipe inside upper contact head box, and its outer cover is provided with silicone rubber sleeve
Boots 11；Each other end of main bus-bar 10 is passed by three-phase main bus-bar outlet casing tube 9 respectively.
The normal powered body portion of primary conductive element and grounded part is sealed with lower contact box 4, the lower bottom of contact box 4 is set
Grounding static contact interface summation current transformer interface is equipped with, and grounding static contact interface is dynamic by grounding contact sealing 12 and ground connection
Contact 6 is connected, and current transformer interface is connected with current transformer 5.
Main conductive component is sealed with current transformer 5, the front end of current transformer 5 is provided with main conductive component outlet casing tube
13。
In the various embodiments described above, direct acting is used between the ground connection moving contact interface and ground connection moving contact 6 of the lower lower end of contact box 4
Formula is connected.
In the use of the present invention, whole withdraw-type solid insulation equipment is mounted against a wall, three-phase main bus-bar 10 passes through three-phase
Main bus-bar outlet casing tube 9 is connected with external cable, and main conductive component passes through main conductive component outlet casing tube 13 and external cabling electricity
Cable is connected.When breaker is in work, testing position, the front end of contact arm up and down of breaker acting arm 2 is broken and two valve 8
Coordinate, handcart, which advances to hit ring and contact with valve 8, opens valve 8, and breaker acting arm 2 is sealed in upper and lower contact box 3,4 always
It is interior；When handcart moves away to isolated location, the back-moving spring on valve 8 causes valve 8 to close, while live high voltage side is isolated into close
It is enclosed in upper and lower contact box 3,4, realizes the purpose of anterior maintenance.
The various embodiments described above are merely to illustrate the present invention, wherein the structure of each part, connected mode and manufacture craft etc. are all
It can be varied from, every equivalents carried out on the basis of technical solution of the present invention and improvement should not be excluded
Outside protection scope of the present invention.
Claims (5)
1. a kind of withdraw-type solid-state insulated switchgear, it is characterised in that：It includes insulation shell, is arranged on the insulation shell
Breaker acting arm, the upper and lower contact box side by side up and down being arranged on rear side of the breaker acting arm on front side of interior pole,
The front and rear current transformer being disposed side by side on below the lower contact box and ground connection moving contact and it is arranged on the pole
The breaker portion of lower section；Mume flower contact, and the oral area point of the upper and lower contact box are provided with upper and lower two contact box
It is not installed with a valve with back-moving spring, each valve and is provided with for isolating powered on high-tension side sealing
Part；Upper and lower the two poles of the earth contact arm front end of the breaker acting arm coordinates with valve described in two respectively equipped with ring is hit, and control is described
Upper and lower the two poles of the earth contact arm of breaker acting arm is contacted or disconnected with the Mume flower contact in the upper and lower contact box；The breaker
Acting arm is connected by the pole with the breaker portion；The current transformer and ground connection moving contact pass through respectively
The current transformer interface and grounding static contact interface that the lower contact box lower end is set are connected with the lower contact box.
2. a kind of withdraw-type solid-state insulated switchgear as claimed in claim 1, it is characterised in that：Described upper contact head box one end
Be provided with the three-phase main bus-bar outlet casing tube of opening upwards, and each main bus-bar outlet casing tube and upper contact head box one into
Type, is in staggered distribution in the upper contact head box end up and down；Three-phase main bus-bar, master described in each phase are sealed with inside the upper contact head box
Bus one end is bolted to connection on the sleeve pipe inside the upper contact head box, and outer cover is provided with silicon rubber gumshoe；Each phase
Main bus-bar outlet casing tube is passed the main bus-bar other end as described in three-phase respectively.
3. a kind of withdraw-type solid-state insulated switchgear as claimed in claim 1, it is characterised in that：It is solid in the lower contact box
The normal powered body portion of once conducting element and grounded part is sealed, the lower contact box bottom is provided with grounding static contact interface
Summation current transformer interface, and the grounding static contact interface by grounding contact be sealed in it is described ground connection moving contact be connected, institute
Current transformer interface is stated with the current transformer to be connected.
4. a kind of withdraw-type solid-state insulated switchgear as claimed in claim 1, it is characterised in that：In the current transformer
Main conductive component is sealed with, the current transformer front end is provided with main conductive component outlet casing tube.
5. a kind of withdraw-type solid-state insulated switchgear as claimed in claim 1, it is characterised in that：The lower contact box lower end
Ground connection moving contact interface and the ground connection moving contact between using Direct Action Type connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710659498.6A CN107248707A (en) | 2017-08-04 | 2017-08-04 | A kind of withdraw-type solid-state insulated switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710659498.6A CN107248707A (en) | 2017-08-04 | 2017-08-04 | A kind of withdraw-type solid-state insulated switchgear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107248707A true CN107248707A (en) | 2017-10-13 |
Family
ID=60012409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710659498.6A Pending CN107248707A (en) | 2017-08-04 | 2017-08-04 | A kind of withdraw-type solid-state insulated switchgear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107248707A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3883074A1 (en) * | 2020-03-17 | 2021-09-22 | ABB Schweiz AG | An electric switchgear for lv and mv applications |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1227558A1 (en) * | 2001-01-24 | 2002-07-31 | Mitsubishi Denki Kabushiki Kaisha | Switchgear |
| CN202167787U (en) * | 2011-08-02 | 2012-03-14 | 湖南丰日电源电气股份有限公司 | Environment-protection air-type solid-insulation high-voltage vacuum switch cabinet |
| CN203466453U (en) * | 2013-09-17 | 2014-03-05 | 上海法腾电力科技有限公司 | Modularized solid-insulation switch cabinet |
| CN204361566U (en) * | 2014-11-25 | 2015-05-27 | 北京龙源开关设备有限责任公司 | Small-sized armored intelligence solid insulation switch |
| CN104882814A (en) * | 2015-05-19 | 2015-09-02 | 安徽天赢电气成套设备制造有限公司 | Solid insulation switch cabinet with insulation bus system and vacuum circuit breaker handcart |
-
2017
- 2017-08-04 CN CN201710659498.6A patent/CN107248707A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1227558A1 (en) * | 2001-01-24 | 2002-07-31 | Mitsubishi Denki Kabushiki Kaisha | Switchgear |
| CN202167787U (en) * | 2011-08-02 | 2012-03-14 | 湖南丰日电源电气股份有限公司 | Environment-protection air-type solid-insulation high-voltage vacuum switch cabinet |
| CN203466453U (en) * | 2013-09-17 | 2014-03-05 | 上海法腾电力科技有限公司 | Modularized solid-insulation switch cabinet |
| CN204361566U (en) * | 2014-11-25 | 2015-05-27 | 北京龙源开关设备有限责任公司 | Small-sized armored intelligence solid insulation switch |
| CN104882814A (en) * | 2015-05-19 | 2015-09-02 | 安徽天赢电气成套设备制造有限公司 | Solid insulation switch cabinet with insulation bus system and vacuum circuit breaker handcart |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3883074A1 (en) * | 2020-03-17 | 2021-09-22 | ABB Schweiz AG | An electric switchgear for lv and mv applications |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20171025 Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Applicant after: China National Offshore Oil (China) Co., Ltd. Applicant after: CNOOC (China) Co., Ltd. Beijing Research Center Applicant after: Beijing Sojo Electric Co., Ltd. Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Applicant before: China National Offshore Oil (China) Co., Ltd. Applicant before: CNOOC (China) Co., Ltd. Beijing Research Center |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171013 |