CN108649475B - Double-bus switch cabinet - Google Patents
Double-bus switch cabinet Download PDFInfo
- Publication number
- CN108649475B CN108649475B CN201810550318.5A CN201810550318A CN108649475B CN 108649475 B CN108649475 B CN 108649475B CN 201810550318 A CN201810550318 A CN 201810550318A CN 108649475 B CN108649475 B CN 108649475B
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- bus
- crank arm
- isolating
- insulator
- switch cabinet
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- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The invention discloses a double-bus switch cabinet.A first bus chamber and a second bus chamber are also arranged in a switch cabinet body; the first bus chamber is fixedly arranged on the rear side of the upper end of the switch cabinet body, and the second bus chamber is fixedly arranged on the front side of the upper end of the switch cabinet body; a disconnecting switch capable of connecting the bus in the first bus chamber or the bus in the second bus chamber is arranged between the first bus chamber and the second bus chamber; and an isolating switch operating mechanism for controlling the action of the isolating switch is arranged on the side wall of the switch cabinet body. The two bus chambers in the double-bus switch cabinet are arranged in the front and back directions, and the free switching of the double buses in the first bus chamber and the second bus chamber can be realized by controlling the action of the isolating switch moving contact positioned between the two bus chambers through the isolating switch operation structure, so that the buses are distributed in a shape like a Chinese character 'yi', the using amount of copper bars is less, and the cost is saved.
Description
Technical Field
The invention belongs to the technical field of switch cabinets, and particularly relates to a double-bus switch cabinet.
Background
The main function of the switch cabinet is to open and close, control and protect electric equipment in the process of power generation, power transmission, power distribution and electric energy conversion of an electric power system. Most of the existing switch cabinets only have one bus chamber, so that the wiring and wiring requirements of modern circuit configuration cannot be met, and the limitation is large; in the rare switch cabinets with two bus chambers, buses in the bus chambers are of a delta structure, heat dissipation is poor, the cabinet body is high, and miniaturization cannot be achieved.
Therefore, it is highly desirable to design a double-bus switch cabinet with good heat dissipation performance.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a double-bus switch cabinet.
In order to achieve the purpose, the invention adopts the following technical scheme: a double-bus switch cabinet comprises a switch cabinet body, wherein an instrument room, a breaker room, a current transformer, a grounding switch and an outlet cable are arranged in the switch cabinet body;
a first bus chamber and a second bus chamber are also arranged in the switch cabinet body; the first bus chamber is fixedly arranged on the rear side of the upper end of the switch cabinet body, and the second bus chamber is fixedly arranged on the front side of the upper end of the switch cabinet body; a disconnecting switch capable of connecting the bus in the first bus chamber or the bus in the second bus chamber is arranged between the first bus chamber and the second bus chamber; and an isolating switch operating mechanism for controlling the action of the isolating switch is arranged on the side wall of the switch cabinet body.
Preferably, a metal partition plate is arranged between the first bus bar chamber and the second bus bar chamber.
Preferably, a first fixing plate is vertically arranged on a side wall of the first bus bar chamber, and a second fixing plate is vertically arranged on a side wall of the second bus bar chamber.
Preferably, the isolating switch comprises a first insulator, a second insulator, a first isolating fixed contact, a second isolating movable contact, an isolating movable contact and a third insulator; the upper part of the first insulator is fixedly connected with a first fixing plate, the bottom of the first insulator is fixedly provided with a first isolation static contact, and the first isolation static contact is electrically connected with a bus in a first bus chamber; the upper part of the second insulator is fixedly connected with a second fixing plate, a second isolation static contact is fixedly arranged at the bottom of the second insulator, and the second isolation static contact is electrically connected with a bus in a second bus chamber; the third insulator is fixedly arranged on the metal partition plate, the bottom end of the isolating moving contact is rotatably connected with the upper part of the third insulator, and the top end of the isolating moving contact can be contacted with the first isolating static contact or the second isolating static contact; and the metal partition plate is provided with a conversion through hole allowing the isolation moving contact to pass through.
Preferably, the disconnecting switch operating mechanism comprises a first crank arm, a second crank arm, a first pull rod, a first crank arm fixing piece, a second crank arm fixing piece and a second pull rod; the first crank arm fixing piece is fixedly connected with the side wall of the switch cabinet body, and the second crank arm fixing piece is fixedly connected with the metal partition plate; one end of the first crank arm is rotatably connected with the first crank arm fixing piece, the other end of the first crank arm is rotatably connected with one end of the first pull rod, the other end of the first pull rod is rotatably connected with one end of the second crank arm, and the other end of the second crank arm is rotatably connected with the second crank arm fixing piece; one end of the second pull rod is rotatably connected with the movable end of the second crank arm, and the other end of the second pull rod is rotatably connected with the moving contact of the isolating switch.
Preferably, the second pull rod is of an arc-shaped structure.
Preferably, the second crank arm fixing member is an L-shaped structure, one end of the second crank arm fixing member is fixedly connected with the metal partition plate, and the other end of the second crank arm fixing member is fixedly connected with the first fixing plate.
The invention has the beneficial effects that:
two bus chambers in the double-bus switch cabinet are arranged in a front and back mode, and the free switching of double buses in a first bus chamber and a second bus chamber can be realized by controlling the action of a moving contact of an isolating switch positioned between the two bus chambers through an isolating switch operation structure; on one hand, the bus bars are distributed in a shape of a Chinese character 'yi', the use amount of copper bars is small, the cost is saved, on the other hand, the installation is convenient, the height is small, and the miniaturization requirement of the cabinet body can be met; meanwhile, the electric field is uniform, and the heat dissipation effect is good.
Drawings
FIG. 1 is a schematic structural view of a double bus switchgear of the present invention;
FIG. 2 is a schematic diagram of the operating mechanism of the disconnector and the disconnector according to the invention;
FIG. 3 is a schematic structural diagram of a moving contact of the isolating switch of the present invention connected to a first isolating stationary contact;
FIG. 4 is a schematic structural diagram of a moving contact of the isolating switch of the present invention connected to a second isolating stationary contact;
the intelligent isolation switch comprises a switch cabinet body 1, a first bus chamber 2, a first fixing plate 201, a second bus chamber 3, a second fixing plate 301, a second fixing plate 4, an instrument chamber 5, a breaker chamber 6, a current transformer 7, an isolation switch operating mechanism 701, a first crank arm 702, a second crank arm 703, a first pull rod 704, a first crank arm fixing part 705, a second crank arm fixing part 706, a second pull rod 8, a grounding switch 9, an outgoing cable 10, an isolation switch 1001, a first insulator 1002, a second insulator 1003, a first isolation static contact 1004, a second isolation movable contact 1005, an isolation movable contact 1005, a third insulator 1006, and a metal partition 11.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
As shown in fig. 1, a double-bus switch cabinet comprises a switch cabinet body 1, wherein an instrument room 4, a breaker room 5, a current transformer 6, a grounding switch 8 and an outgoing cable 9 are arranged in the switch cabinet body 1;
a first bus chamber 2 and a second bus chamber 3 are also arranged in the switch cabinet body 1; the first bus chamber 2 is fixedly arranged on the rear side of the upper end of the switch cabinet body 1, and the second bus chamber 3 is fixedly arranged on the front side of the upper end of the switch cabinet body 1; a disconnecting switch 10 capable of connecting the bus in the first bus chamber 2 or the bus in the second bus chamber 3 is arranged between the first bus chamber 2 and the second bus chamber 3; and an isolating switch operating mechanism 7 for controlling the action of the isolating switch is arranged on the side wall of the switch cabinet body 1.
Preferably, a metal partition plate 11 is provided between the first bus bar room 2 and the second bus bar room 3.
Preferably, a first fixing plate 201 is vertically disposed on a side wall of the first busbar chamber 2, and a second fixing plate 301 is vertically disposed on a side wall of the second busbar chamber 3.
Preferably, as shown in fig. 2, the isolating switch 10 includes a first insulator 1001, a second insulator 1002, a first isolating fixed contact 1003, a second isolating movable contact 1004, an isolating movable contact 1005, and a third insulator 1006; the upper part of the first insulator 1001 is fixedly connected with the first fixing plate 201, the bottom of the first insulator 1001 is fixedly provided with a first isolation static contact 1003, and the first isolation static contact 1003 is electrically connected with a bus in the first bus chamber 2; the upper part of the second insulator 1002 is fixedly connected with the second fixing plate 301, a second isolation fixed contact 1004 is fixedly arranged at the bottom of the second insulator 1002, and the second isolation fixed contact 1004 is electrically connected with a bus in the second bus chamber 3; the third insulator 1006 is fixedly arranged on the metal partition 11, the bottom end of the isolating moving contact 1005 is rotatably connected with the upper part of the third insulator 1006, and the top end of the isolating moving contact 1005 can be in contact with the first isolating fixed contact 1003 or the second isolating fixed contact 1004; the metal partition 11 is provided with a switching through hole for allowing the isolation moving contact 1005 to pass through.
Preferably, as shown in fig. 2, the disconnecting switch operating mechanism 7 includes a first crank arm 701, a second crank arm 702, a first pull rod 703, a first crank arm fixing member 704, a second crank arm fixing member 705 and a second pull rod 706; the first crank arm fixing piece 704 is fixedly connected with the side wall of the switch cabinet body 1, and the second crank arm fixing piece 705 is fixedly connected with the metal partition plate 11; one end of the first crank arm 701 is rotatably connected with a first crank arm fixing part 704, the other end of the first crank arm 701 is rotatably connected with one end of a first pull rod 703, the other end of the first pull rod 703 is rotatably connected with one end of a second crank arm 702, and the other end of the second crank arm 702 is rotatably connected with a second crank arm fixing part 705; one end of the second pull rod 706 is rotatably connected to the movable end of the second crank arm 702, and the other end of the second pull rod 706 is rotatably connected to the moving contact 1005 of the isolating switch.
Preferably, the second pull rod 706 has an arc-shaped structure.
Preferably, the second crank arm fixing member 705 is in an L-shaped structure, one end of the second crank arm fixing member 705 is fixedly connected to the metal partition plate 11, and the other end of the second crank arm fixing member 705 is fixedly connected to the first fixing plate 201.
A double-bus switch cabinet comprises the following specific implementation modes:
when the isolating moving contact 1005 in the isolating switch 10 is in contact with the second isolating fixed contact 1004, as shown in fig. 4, the switch cabinet is connected to the three-phase bus in the second bus bar chamber 3.
When the isolating moving contact 1005 in the isolating switch 10 is in contact with the first isolating fixed contact 1003, as shown in fig. 3, the switch cabinet is connected to the three-phase bus in the first bus chamber 2.
When the switch cabinet needs to be converted from a bus connected with the second bus chamber 3 to a bus connected with the second bus chamber 2, the first crank arm 701 is rotated counterclockwise, the first crank arm 701 drives the first pull rod 703, the first pull rod 703 drives the second crank arm 702 to rotate counterclockwise, the second crank arm 702 drives the second pull rod 706 to move, and the second pull rod 706 drives the isolation moving contact 1005 to move from the second isolation fixed contact 1004 to the first isolation fixed contact 1003.
When the switch cabinet needs to be converted from a bus connected with the first bus chamber 2 to a bus connected with the third bus chamber 3, the first crank arm 701 is rotated clockwise, the first crank arm 701 drives the first pull rod 703, the first pull rod 703 drives the second crank arm 702 to rotate clockwise, the second crank arm 702 drives the second pull rod 706 to move, and the second pull rod 706 drives the isolation moving contact 1005 to move from the first isolation fixed contact 1003 to the second isolation fixed contact 1004.
In the description of the present invention, it is to be understood that the terms "left", "right", "front", "rear", "upper", "lower", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the present invention, and it should be understood by those skilled in the art that various modifications and changes may be made without inventive efforts based on the technical solutions of the present invention.
Claims (6)
1. A double-bus switch cabinet comprises a switch cabinet body, wherein an instrument room, a breaker room, a current transformer, a grounding switch and an outlet cable are arranged in the switch cabinet body;
the switch cabinet is characterized in that a first bus chamber and a second bus chamber are further arranged in the switch cabinet body; the first bus chamber is fixedly arranged on the rear side of the upper end of the switch cabinet body, and the second bus chamber is fixedly arranged on the front side of the upper end of the switch cabinet body; a disconnecting switch capable of connecting the bus in the first bus chamber or the bus in the second bus chamber is arranged between the first bus chamber and the second bus chamber; an isolating switch operating mechanism for controlling the action of the isolating switch is arranged on the side wall of the switch cabinet body;
a metal partition plate is arranged between the first bus chamber and the second bus chamber;
the isolating switch comprises a first isolating fixed contact, a second isolating fixed contact and an isolating movable contact, the first isolating fixed contact is electrically connected with a bus in the first bus chamber, the second isolating fixed contact is electrically connected with a bus in the second bus chamber, and the top end of the isolating movable contact can be in contact with the first isolating fixed contact or the second isolating fixed contact; the metal partition plate is provided with a conversion through hole allowing the isolation moving contact to pass through;
the isolating switch also comprises a first insulator and a second insulator; the upper part of the first insulator is fixedly connected with a first fixing plate, and the bottom of the first insulator is fixedly provided with a first isolation static contact; the upper part of the second insulator is fixedly connected with a second fixing plate, and the bottom of the second insulator is fixedly provided with a second isolation static contact;
the isolating switch operating mechanism comprises a second pull rod; the second pull rod is rotatably connected with the moving contact of the isolating switch.
2. The double-bus switch cabinet as claimed in claim 1, wherein a first fixing plate is vertically disposed on a side wall of the first bus bar chamber, and a second fixing plate is vertically disposed on a side wall of the second bus bar chamber.
3. The double-bus switch cabinet as claimed in claim 1, wherein the isolating switch further comprises a first insulator, a second insulator, a third insulator; the upper part of the first insulator is fixedly connected with a first fixing plate, and the bottom of the first insulator is fixedly provided with a first isolation static contact; the upper part of the second insulator is fixedly connected with a second fixing plate, and the bottom of the second insulator is fixedly provided with a second isolation static contact; the third insulator is fixedly arranged on the metal partition plate, and the bottom end of the isolating moving contact is rotatably connected with the upper part of the third insulator.
4. The double-bus switch cabinet as claimed in claim 1, wherein the isolating switch operating mechanism further comprises a first crank arm, a second crank arm, a first pull rod, a first crank arm fixing member and a second crank arm fixing member; the first crank arm fixing piece is fixedly connected with the side wall of the switch cabinet body, and the second crank arm fixing piece is fixedly connected with the metal partition plate; one end of the first crank arm is rotatably connected with the first crank arm fixing piece, the other end of the first crank arm is rotatably connected with one end of the first pull rod, the other end of the first pull rod is rotatably connected with one end of the second crank arm, and the other end of the second crank arm is rotatably connected with the second crank arm fixing piece; one end of the second pull rod is rotatably connected with the movable end of the second crank arm, and the other end of the second pull rod is rotatably connected with the moving contact of the isolating switch.
5. The double bus bar switch cabinet as recited in claim 4, wherein said second tie bar is of arcuate configuration.
6. The double-bus switch cabinet as claimed in claim 4, wherein the second crank arm fixing member is L-shaped, one end of the second crank arm fixing member is fixedly connected with the metal partition plate, and the other end of the second crank arm fixing member is fixedly connected with the first fixing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810550318.5A CN108649475B (en) | 2018-05-31 | 2018-05-31 | Double-bus switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810550318.5A CN108649475B (en) | 2018-05-31 | 2018-05-31 | Double-bus switch cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108649475A CN108649475A (en) | 2018-10-12 |
| CN108649475B true CN108649475B (en) | 2020-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810550318.5A Active CN108649475B (en) | 2018-05-31 | 2018-05-31 | Double-bus switch cabinet |
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| CN (1) | CN108649475B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109286140A (en) * | 2018-10-31 | 2019-01-29 | 益和电气集团股份有限公司 | A kind of double-bus high-tension switch cabinet |
| CN112086897B (en) * | 2020-09-17 | 2023-09-19 | 广州白云电器设备股份有限公司 | Switch cabinet and switch equipment |
| CN114156763B (en) * | 2021-10-29 | 2024-04-09 | 宁波耐森电气科技有限公司 | Economical switchgear suitable for wind power |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201298670Y (en) * | 2008-11-10 | 2009-08-26 | 宁波华通电器集团股份有限公司 | Enclosed double-bus bar switch device |
| CN201766008U (en) * | 2010-08-05 | 2011-03-16 | 四川电器集团有限公司 | Star-triangle switching isolation switch for transformer |
| CN201994576U (en) * | 2011-01-02 | 2011-09-28 | 山东鲁亿通智能电气股份有限公司 | Double-bus bar fixed metallic enclosed switching device |
| CN203644637U (en) * | 2013-11-12 | 2014-06-11 | 天津威乐斯机电有限公司 | Isolation switch having an added auxiliary switch |
| CN204732772U (en) * | 2015-07-03 | 2015-10-28 | 中国西电集团公司 | A kind of novel High aititude sheathed fixed high-voltage switch equipment |
| CN107394590A (en) * | 2017-08-18 | 2017-11-24 | 中科电力装备集团有限公司 | A kind of double-bus configuration system of easy access |
-
2018
- 2018-05-31 CN CN201810550318.5A patent/CN108649475B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201298670Y (en) * | 2008-11-10 | 2009-08-26 | 宁波华通电器集团股份有限公司 | Enclosed double-bus bar switch device |
| CN201766008U (en) * | 2010-08-05 | 2011-03-16 | 四川电器集团有限公司 | Star-triangle switching isolation switch for transformer |
| CN201994576U (en) * | 2011-01-02 | 2011-09-28 | 山东鲁亿通智能电气股份有限公司 | Double-bus bar fixed metallic enclosed switching device |
| CN203644637U (en) * | 2013-11-12 | 2014-06-11 | 天津威乐斯机电有限公司 | Isolation switch having an added auxiliary switch |
| CN204732772U (en) * | 2015-07-03 | 2015-10-28 | 中国西电集团公司 | A kind of novel High aititude sheathed fixed high-voltage switch equipment |
| CN107394590A (en) * | 2017-08-18 | 2017-11-24 | 中科电力装备集团有限公司 | A kind of double-bus configuration system of easy access |
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| Publication number | Publication date |
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| CN108649475A (en) | 2018-10-12 |
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| CB02 | Change of applicant information |
Address after: 266510 No. 717 West Huaihe Road, Huangdao District, Shandong, Qingdao Applicant after: Qingdao Yihe Electric Group Co., Ltd Address before: 266510 No. 717 West Huaihe Road, Huangdao District, Shandong, Qingdao Applicant before: Yihe Electric Group Co., Ltd. |
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