CN105449574A - Busbar gas tank for gas-filled tank and gas-filled tank employing busbar gas tank - Google Patents
Busbar gas tank for gas-filled tank and gas-filled tank employing busbar gas tank Download PDFInfo
- Publication number
- CN105449574A CN105449574A CN201510871383.4A CN201510871383A CN105449574A CN 105449574 A CN105449574 A CN 105449574A CN 201510871383 A CN201510871383 A CN 201510871383A CN 105449574 A CN105449574 A CN 105449574A
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- CN
- China
- Prior art keywords
- gas
- bus
- gas tank
- tank
- movable contact
- 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.)
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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
- H02B13/035—Gas-insulated switchgear
- H02B13/0352—Gas-insulated switchgear for three phase switchgear
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
-
- 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
- H02B13/035—Gas-insulated switchgear
- H02B13/0358—Connections to in or out conductors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The invention relates to a busbar gas tank for a gas-filled tank and the gas-filled tank employing the busbar gas tank. The bus-bar gas tank comprises a main busbar and a three-station isolating switch, wherein the three-station isolating switch comprises a grounding contact, a moving contact base and a busbar fixed contact, which are sequentially arranged along the horizontal direction; a moving contact which is guided to move in the horizontal direction is arranged in the moving contact base; the moving contact and the moving contact base are in spinning-stop fit;a threaded hole is arranged in the axis of the moving contact; a lead screw which extends along the axial direction of the grounding contact is rotationally assembled in the grounding contact; one end of the lead screw is connected with the threaded hole in a threaded way; and the other end of the lead screw extends out of the busbar gas tank. The lead screw movesin the horizontal direction with no turnover; and a connecting rod which swings in use is not needed, so that the occupied space of the busbar gas tank can be greatly reduced; the volumes of the busbar gas tank and the gas-filled tank are reduced; the tank body is small in deformation and low in leakage rate; meanwhile, improvement of the stability is facilitated; and reduction of the material cost and the processing cost is also facilitated.
Description
Technical field
The present invention relates to the bus gas tank of gas-filling cabinet and use the gas-filling cabinet of this gas tank.
Background technology
Along with the development of switching technique, the favor miniaturized, intelligent switch is more and more subject to user.In recent years, each switch manufactory also one after another using miniaturized, intelligent switch as developing direction.Under the guide of this developing direction, a kind of new switchgear C-GIS has come out, and the core parts of C-GIS high voltage switchgear are sealed in gas tank, and the insulation property of equipment are ensured by insulating gas.So the requirement for air chamber is mainly reflected in reliable, air-tightness is good, and leak rate is low, and box deformation amount is little, good stability, and Installation and Debugging are convenient.
Existing C-GIS as application number be 200910019367.7, application publication number a kind of box-sharing gas-insulated metal enclosed switching device disclosed in the Chinese patent application of CN102044849A, be made up of cabinet, tri-station isolating switch, three station spring operating mechanisms, main bus bar sleeve pipe, main bus bar, vacuum circuit-breaker, voltage transformer, cable joint, zero-sequence transformer and lightning arrester etc., wherein cabinet comprises gas tank and lower gas tank, upper gas tank is bus gas tank, and lower gas tank is circuit breaker gas tank.In bus gas tank, tri-station isolating switch is installed, main bus bar sleeve pipe and main bus bar, tri-station isolating switch adopts disconnecting link formula structure, the output shaft of three station spring operating mechanisms is stretched in gas tank and is connected by rotary seal hookup with tri-station isolating switch, tri-station isolating switch is connected by busbar connection device with the vacuum circuit-breaker in lower gas tank, vacuum circuit-breaker and spring mechanism are connected by metal bellows sealing mechanism, the inner cone insulator being fixed on lower gas tank wall by wire connection sealing of vacuum circuit-breaker, inner cone insulator inserts voltage transformer respectively, cable joint, zero-sequence transformer and lightning arrester.
But, tri-station isolating switch adopts disconnecting link formula structure, it is larger that itself linkage takies volume, and disconnecting link swings needs larger space, and in order to ensure insulation distance, the height of bus gas tank is higher, cause casing overall dimensions excessive, technique is difficult to ensure, leak rate is high, and operational reliability is poor.In addition, the lightning arrester of existing gas-filling cabinet is connected to circuit breaker side, cannot protect reliably when tri-station isolating switch is in isolation point state to circuit.
Summary of the invention
The object of this invention is to provide a kind of gas-filling cabinet bus gas tank, to solve the problem that prior art median generatrix gas tank volume is comparatively large, technique is difficult to guarantee, operational reliability difference; Meanwhile, present invention also provides a kind of gas-filling cabinet using this bus gas tank.
The technical solution used in the present invention is: the bus gas tank of gas-filling cabinet, comprise main bus bar and tri-station isolating switch, described tri-station isolating switch comprise be arranged in order in the horizontal direction grounding contact, movable contact block and and bus static contact, the moving contact going up guiding movement is in the horizontal direction provided with in described movable contact block, described moving contact and movable contact block be spin-ended to be coordinated and its axle center is provided with screwed hole, be rotatably equipped with along its axially extended leading screw in described grounding contact, one end of described leading screw and described screwed hole thread connection, the other end of leading screw stretches out bus gas tank.
Further, described movable contact block and bus static contact are fixed on corresponding inner cone socket with by inner cone socket and bus gas tank ft connection.
Be provided with in the inner cone socket be connected with described movable contact block for detecting its whether charged transducer.
Gas-filling cabinet, comprise bus gas tank and circuit breaker gas tank, described bus gas tank comprises main bus bar and tri-station isolating switch, described tri-station isolating switch comprises the grounding contact be arranged in order in the horizontal direction, movable contact block and and bus static contact, the moving contact going up guiding movement is in the horizontal direction provided with in described movable contact block, described moving contact and movable contact block be spin-ended to be coordinated and its axle center is provided with screwed hole, be rotatably equipped with along its axially extended leading screw in described grounding contact, one end of described leading screw and described screwed hole thread connection, the other end of leading screw stretches out bus gas tank.
Further, the diapire of bus gas tank is provided with inner cone socket, and described movable contact block and bus static contact are fixed on corresponding inner cone socket with by inner cone socket and bus gas tank ft connection.
The outside of the inner cone socket be connected with described bus static contact is plugged with lightning arrester.
The outside of the inner cone socket be connected with described movable contact block is plugged with voltage transformer.
Be provided with in the inner cone socket be connected with described movable contact block for detecting its whether charged transducer.
Gas-filling cabinet comprises the Three-Position Switch Operate Institutions being arranged on bus gas tank outside, is in transmission connection between described Three-Position Switch Operate Institutions and described leading screw by chain-drive mechanism.
The present invention adopts technique scheme, tri-station isolating switch comprises the grounding contact be arranged in order in the horizontal direction, movable contact block and and bus static contact, the moving contact going up guiding movement is in the horizontal direction provided with in described movable contact block, described moving contact and movable contact block be spin-ended to be coordinated and its axle center is provided with screwed hole, be rotatably equipped with along its axially extended leading screw in described grounding contact, one end of described leading screw and described screwed hole thread connection, the other end of leading screw stretches out bus gas tank, motion due to leading screw is horizontal motion, there is not upset, do not need to adopt the connecting rod in use swung yet, therefore, it is possible to greatly reduce the space hold to bus gas tank, thus the volume of bus gas tank and gas-filling cabinet is reduced, box deformation amount is little, leak rate is low, be conducive to improving stability simultaneously, also be conducive to reducing material cost and processing cost.
Accompanying drawing explanation
Fig. 1 is the internal structure schematic diagram of an embodiment in the present invention.
The name that in figure, each Reference numeral is corresponding is called: 1-Three-Position Switch Operate Institutions, 2-welded type casing, 3-chain-drive mechanism, 4-grounding contact, 5-movable contact block, 6-bus one, 7-bus two, 8-bus three, 9-moving contact, 10-bus inner cone socket, 11-moving contact inner cone socket, 12-leading screw.
Embodiment
An embodiment of the bus air chamber of gas-filling cabinet of the present invention as shown in Figure 1, comprises welded type casing 2, and be provided with main bus bar, tri-station isolating switch and inner cone socket in welded type casing 2, main bus bar comprises three-phase, is respectively bus 1, bus 27 and bus 38.
Tri-station isolating switch comprises the grounding contact 4, movable contact block 5 and the bus static contact that array from left to right in the horizontal direction, bus static contact conducts electricity with corresponding main bus bar and is connected, the moving contact 9 going up guiding movement is in the horizontal direction provided with in movable contact block 5, moving contact 9 and movable contact block 5 be spin-ended to be coordinated and its axle center is provided with screwed hole, be rotatably equipped with along its axially extended leading screw 12 in grounding contact 4, the right-hand member of leading screw 12 and screwed hole thread connection, the left end of leading screw 12 stretches out bus gas tank.
The diapire of bus gas tank is provided with six inner cone sockets, each phase all corresponding two, be respectively bus inner cone socket 10 and moving contact inner cone socket 11, movable contact block 5 and bus static contact are separately fixed on corresponding inner cone socket with by inner cone socket and bus gas tank ft connection.Be provided with for detecting its whether charged transducer in moving contact inner cone socket 11, exportable signal to outside connection checkout gear, to detect charged situation.This transducer is prior art, no longer describes in detail herein.
During use, bus gas tank and other gas tanks are assembled into gas-filling cabinet, and inside is filled with insulating gas to meet built-in electrical insulation performance requirement.It is outside that Three-Position Switch Operate Institutions 1 is arranged on bus gas tank, and the left end being stretched out bus gas tank by chain-drive mechanism 3 and leading screw 12 is in transmission connection, and drives leading screw 12 to rotate.In leading screw 12 rotation process, moving contact 9 can realize isolating splitting or integrating, ground connection three station function from right-to-left motion successively, and motion from left to right can be grounded successively, to isolate point, close three station functions.
In addition, the outside of fixed contact inner cone socket is plugged with lightning arrester, makes lightning arrester be connected to bus bar side, can protect reliably when three stations are in isolation point state to circuit.The outside of moving contact inner cone socket 11 is plugged with voltage transformer, connect, detect, easy to maintenance.
In the present invention, an embodiment of gas-filling cabinet comprises bus gas tank, circuit breaker gas tank and Three-Position Switch Operate Institutions 1, the structure of circuit breaker gas tank is structure of the prior art, the bus gas tank described in the embodiment of bus gas tank and Three-Position Switch Operate Institutions and above-mentioned bus gas tank and Three-Position Switch Operate Institutions 1, repeat no more herein.
In the above-described embodiments, lightning arrester is arranged on bus bar side, voltage transformer grafting is fixed on inner cone socket, in other embodiments of the invention, lightning arrester also can adopt and be set to circuit breaker side with set-up mode of the prior art, and voltage transformer can be connected with main bus bar by other means, such as, connected by busbar.
Claims (9)
1. the bus gas tank of gas-filling cabinet, comprise main bus bar and tri-station isolating switch, it is characterized in that: described tri-station isolating switch comprise be arranged in order in the horizontal direction grounding contact, movable contact block and and bus static contact, the moving contact going up guiding movement is in the horizontal direction provided with in described movable contact block, described moving contact and movable contact block be spin-ended to be coordinated and its axle center is provided with screwed hole, be rotatably equipped with along its axially extended leading screw in described grounding contact, one end of described leading screw and described screwed hole thread connection, the other end of leading screw stretches out bus gas tank.
2. bus gas tank according to claim 1, is characterized in that: described movable contact block and bus static contact are fixed on corresponding inner cone socket with by inner cone socket and bus gas tank ft connection.
3. bus gas tank according to claim 2, is characterized in that: be provided with in the inner cone socket be connected with described movable contact block for detecting its whether charged transducer.
4. gas-filling cabinet, comprise bus gas tank and circuit breaker gas tank, described bus gas tank comprises main bus bar and tri-station isolating switch, it is characterized in that: described tri-station isolating switch comprises the grounding contact be arranged in order in the horizontal direction, movable contact block and and bus static contact, the moving contact going up guiding movement is in the horizontal direction provided with in described movable contact block, described moving contact and movable contact block be spin-ended to be coordinated and its axle center is provided with screwed hole, be rotatably equipped with along its axially extended leading screw in described grounding contact, one end of described leading screw and described screwed hole thread connection, the other end of leading screw stretches out bus gas tank.
5. gas-filling cabinet according to claim 4, is characterized in that: the diapire of bus gas tank is provided with inner cone socket, and described movable contact block and bus static contact are fixed on corresponding inner cone socket with by inner cone socket and bus gas tank ft connection.
6. gas-filling cabinet according to claim 5, is characterized in that: the outside of the inner cone socket be connected with described bus static contact is plugged with lightning arrester.
7. gas-filling cabinet according to claim 5, is characterized in that: the outside of the inner cone socket be connected with described movable contact block is plugged with voltage transformer.
8. gas-filling cabinet according to claim 5, is characterized in that: be provided with in the inner cone socket be connected with described movable contact block for detecting its whether charged transducer.
9. the gas-filling cabinet according to any one in claim 4-8, it is characterized in that: gas-filling cabinet comprises the Three-Position Switch Operate Institutions being arranged on bus gas tank outside, be in transmission connection by chain-drive mechanism between described Three-Position Switch Operate Institutions and described leading screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510871383.4A CN105449574A (en) | 2015-12-02 | 2015-12-02 | Busbar gas tank for gas-filled tank and gas-filled tank employing busbar gas tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510871383.4A CN105449574A (en) | 2015-12-02 | 2015-12-02 | Busbar gas tank for gas-filled tank and gas-filled tank employing busbar gas tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105449574A true CN105449574A (en) | 2016-03-30 |
Family
ID=55559495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510871383.4A Pending CN105449574A (en) | 2015-12-02 | 2015-12-02 | Busbar gas tank for gas-filled tank and gas-filled tank employing busbar gas tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105449574A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107732754A (en) * | 2017-11-27 | 2018-02-23 | 上海天灵开关厂有限公司 | A kind of gas-filling cabinet with bus inserting function |
| CN108649551A (en) * | 2018-06-13 | 2018-10-12 | 中铁第四勘察设计院集团有限公司 | Rail traffic online tri-station isolating switch and monitoring system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102280833A (en) * | 2011-06-09 | 2011-12-14 | 江苏东源电器集团股份有限公司 | 40.5 KV outdoor Gas Insulated Switchgear (GIS) |
| CN102420399A (en) * | 2011-08-19 | 2012-04-18 | 北京清畅电力技术股份有限公司 | Isolated insulation cover and isolating switch device |
| CN102426970A (en) * | 2011-11-24 | 2012-04-25 | 广东省顺德开关厂有限公司 | Solid insulation three-station isolating switch |
| CN203180419U (en) * | 2013-04-26 | 2013-09-04 | 成都麦隆电气有限公司 | Double-chamber environment-friendly gas-insulated metal-enclosed switchgear |
-
2015
- 2015-12-02 CN CN201510871383.4A patent/CN105449574A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102280833A (en) * | 2011-06-09 | 2011-12-14 | 江苏东源电器集团股份有限公司 | 40.5 KV outdoor Gas Insulated Switchgear (GIS) |
| CN102420399A (en) * | 2011-08-19 | 2012-04-18 | 北京清畅电力技术股份有限公司 | Isolated insulation cover and isolating switch device |
| CN102426970A (en) * | 2011-11-24 | 2012-04-25 | 广东省顺德开关厂有限公司 | Solid insulation three-station isolating switch |
| CN203180419U (en) * | 2013-04-26 | 2013-09-04 | 成都麦隆电气有限公司 | Double-chamber environment-friendly gas-insulated metal-enclosed switchgear |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107732754A (en) * | 2017-11-27 | 2018-02-23 | 上海天灵开关厂有限公司 | A kind of gas-filling cabinet with bus inserting function |
| CN108649551A (en) * | 2018-06-13 | 2018-10-12 | 中铁第四勘察设计院集团有限公司 | Rail traffic online tri-station isolating switch and monitoring system |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160330 |
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| RJ01 | Rejection of invention patent application after publication |