CN111091995A - High-voltage isolating switch for power distribution cabinet - Google Patents
High-voltage isolating switch for power distribution cabinet Download PDFInfo
- Publication number
- CN111091995A CN111091995A CN201911423145.1A CN201911423145A CN111091995A CN 111091995 A CN111091995 A CN 111091995A CN 201911423145 A CN201911423145 A CN 201911423145A CN 111091995 A CN111091995 A CN 111091995A
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- China
- Prior art keywords
- plate
- isolating switch
- elastic
- power distribution
- distribution cabinet
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/26—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch
- H01H31/28—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch with angularly-movable contact
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Abstract
The invention discloses a high-voltage isolating switch for a power distribution cabinet, which comprises a base, wherein insulators are symmetrically arranged on two sides of the horizontal end of the top of the base, a power inlet plate is arranged on one top of the two insulators, a power outlet plate is arranged on the other top of the two insulators, a connecting plate is welded on one side of the horizontal end of the top of the power inlet plate, a conductive column is hinged on the connecting plate through a bolt, a connecting block is welded at the bottom of one side of the conductive column, an elastic bolt is elastically connected onto the connecting block through a spring, a limiting plate is arranged at the center of the top of the power outlet plate, a connecting plate is welded on one side, close to the conductive column, of the limiting plate, fixing plates are symmetrically welded on the front side and the rear side. The invention is suitable for the isolating switch which improves the stability and the safety.
Description
Technical Field
The invention belongs to the technical field of power equipment, and particularly relates to a high-voltage isolating switch for a power distribution cabinet.
Background
The high-voltage isolating switch is an important switching device in an electric system of a power plant and a transformer substation and needs to be matched with a high-voltage circuit breaker for use. The isolating switch is suitable for indoor devices with three-phase alternating current of 50Hz and rated voltage of 12 KV. For switching on, switching off or switching the line in the case of a voltage-loaded train of high-voltage equipment. The main functions are as follows: the safety of the high-voltage electrical appliance and the device during maintenance work is ensured, the voltage isolation function is realized, the high-voltage electrical appliance and the device cannot be used for cutting off, inputting load current and cutting off short-circuit current, and only can be used for certain switching operation without generating strong electric arcs, namely the high-voltage electrical appliance and the device do not have the arc extinguishing function; firstly, the conductive column cannot be fixed when the existing isolating switch is in an open state, and the conductive column and the outlet plate are likely to be closed again under the condition of severe weather, so that great potential safety hazards are brought to the personal safety of power construction personnel; secondly, the junction of leading electrical pillar and the play line board in current isolator only passes through bolt fixed connection for there is the possibility greatly increased in the gap between leading electrical pillar and the play line board, and the production of gap will lead to the production of electric arc, thereby has increased fire control potential safety hazard, has reduced isolator's security.
Disclosure of Invention
The invention aims to: in order to solve the problem that the conducting columns of the isolating switch are naturally closed and the safety is low, the high-voltage isolating switch for the power distribution cabinet is provided.
The technical scheme adopted by the invention is as follows:
high-voltage isolator for switch board, which comprises a base, the top horizontal end bilateral symmetry of base is provided with insulator, two a top in the insulator is provided with the inlet wire board, and another top is provided with the outlet plate, the welding of inlet wire board's top horizontal end one side has the connecting plate, it has electrically conductive post to articulate through the bolt on the connecting plate, the welding of one side bottom of electrically conductive post has the connecting block, there is the elasticity bolt through spring elastic connection on the connecting block, outlet plate top center department is provided with the limiting plate, the welding of one side that is close to electrically conductive post on the limiting plate has the connecting plate, bilateral symmetry welding has the fixed plate, two around the top of outlet plate pass through bolt fixed connection elasticity connecting plate between the fixed plate, and set up in the.
Wherein, the horizontal end outside of incoming line board and outlet plate all is provided with connecting bolt.
The elastic bolts are arranged in two groups, the two groups of elastic bolts are respectively positioned on two sides of the horizontal end of the connecting block, and each group of elastic bolts is provided with two elastic bolts.
The connecting plates are provided with two connecting plates, the two connecting plates are symmetrical about the vertical central line of the limiting plate, and the two connecting plates are provided with clamping grooves clamped with the elastic bolts.
And the distance between the bottom of the elastic connecting plate and the wire outlet plate is smaller than the width of the conductive column.
Wherein, the width of connecting block is less than the interval between two connecting plates.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the isolating switch, the limiting plate is welded at the top of the wire inlet plate, the connecting plate connected with the conductive columns is welded at the top of the limiting plate, the connecting plate is connected with the conductive columns through the connecting blocks, the connecting blocks are connected with the connecting plates through the elastic bolts, and when the conductive columns are in a vertical state, the connecting blocks are inserted between the connecting plates and are connected through the elastic bolts, so that the conductive columns are prevented from shaking under the action of weather, the situation that the conductive columns and the wire outlet plate are naturally closed is avoided, and the stability of the isolating switch is improved.
2. According to the invention, the fixed plates are arranged on the wire outlet plate, the elastic connecting plate is arranged between the two fixed plates, the elastic connecting plate can slide in the sliding groove through the bolts, after the conductive column is connected with the wire outlet plate, the elastic connecting plate slides to the top of the conductive column, and the elastic connecting plate is attached to the conductive column under the elastic action, so that a gap is prevented from being generated between the conductive column and the wire outlet plate, electric arcs are prevented from being generated, and the safety of the isolating switch is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a side view of the resilient web of the present invention;
fig. 3 is a side view of the connection structure of the conductive post and the wire feeding plate in the present invention;
FIG. 4 is a top view of a connection structure of a connection block and a connection plate according to the present invention;
fig. 5 is a top view of the outlet plate of the present invention.
The labels in the figure are: 1. an insulator; 2. a connecting bolt; 3. a fixing plate; 4. a chute; 5. a wire outlet plate; 6. a connecting plate; 7. a conductive post; 8. connecting blocks; 9. a connecting plate; 10. an elastic bolt; 11. a limiting plate; 12. a wire inlet plate; 13. a base; 14. an elastic connecting plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-5, high voltage isolator for switch board, including base 13, base 13's top horizontal end bilateral symmetry is provided with insulator 1, a top in two insulators 1 is provided with incoming line board 12, another top is provided with outlet plate 5, the welding of top horizontal end one side of incoming line board 12 has connecting plate 6, it has electrically conductive post 7 to articulate through the bolt on connecting plate 6, the welding of one side bottom of electrically conductive post 7 has connecting block 8, there is elastic bolt 10 through spring elastic connection on connecting block 8, outlet plate 12 top center department is provided with limiting plate 11, the welding of one side that is close to electrically conductive post 7 on limiting plate 11 has connecting plate 9, bilateral symmetry welding has fixed plate 3 around outlet plate 5's top, there is elastic connecting plate 14 through bolt fixed connection between two fixed plates 3, and set up spout 4 that is used for with bolt.
The horizontal end outside of incoming line board 12 and outlet plate 5 all is provided with connecting bolt 2, elasticity bolt 10 is provided with two sets ofly altogether, and two sets of elasticity bolt 10 are located the horizontal end both sides of connecting block 8 respectively, and every group elasticity bolt 10 is provided with two altogether, connecting plate 9 is provided with two altogether, and two connecting plates 9 are symmetrical about the vertical central line of limiting plate 11, all set up the draw-in groove with elasticity bolt 10 block on two connecting plates 9, the interval between 14 bottoms of elasticity connecting plate and the outlet plate 5 is less than the width of leading electrical pillar 7, the width of connecting block 8 is less than the interval between two connecting plates 9.
When the elastic connecting plate 14 slides to the leftmost end, the right side of the elastic connecting plate 14 will not contact with the conductive column 7, so that the conductive column 7 can directly contact with the outlet plate 5, and after the conductive column 7 contacts with the outlet plate 5, the elastic connecting plate 14 can slide to the top of the conductive column 7 by sliding the elastic connecting plate 4 and is attached to the top of the conductive column 7.
The working principle is as follows: when the isolating switch is required to be opened, the elastic connecting plate 14 is moved to the leftmost end to rotate the conductive column 7, the conductive column 7 can be prevented from being generated, when the isolating switch is required to be opened, the elastic connecting plate 14 is moved to the leftmost end to rotate the conductive column 7, after the conductive column 7 is rotated to be in a vertical state, the connecting block 8 is inserted between the two connecting plates 9 and is inserted into the clamping groove in the connecting plate 9 through the elastic bolt 10 to be connected, thereby avoid leading electrical pillar 7 to take place to remove under the weather effect, increase isolator's stability.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. High voltage isolator for switch board, including base (13), its characterized in that: the base is characterized in that insulators (1) are symmetrically arranged on two sides of the top horizontal end of the base (13), a top of each of the two insulators (1) is provided with a wire inlet plate (12), the other top of each of the two insulators is provided with a wire outlet plate (5), a connecting plate (6) is welded on one side of the top horizontal end of the wire inlet plate (12), a conductive post (7) is hinged on the connecting plate (6) through a bolt, a connecting block (8) is welded on the bottom of one side of the conductive post (7), an elastic bolt (10) is elastically connected on the connecting block (8) through a spring, a limiting plate (11) is arranged at the center of the top of the wire outlet plate (12), a connecting plate (9) is welded on one side, close to the conductive post (7), of the limiting plate (11), fixing plates (3) are symmetrically welded on the front and, and a sliding groove (4) which is used for being in sliding connection with the bolt is arranged in the fixing plate (3).
2. The high-voltage isolating switch for the power distribution cabinet according to claim 1, characterized in that: and the outer sides of the horizontal ends of the wire inlet plate (12) and the wire outlet plate (5) are provided with connecting bolts (2).
3. The high-voltage isolating switch for the power distribution cabinet according to claim 1, characterized in that: the elastic bolts (10) are arranged in two groups, the two groups of elastic bolts (10) are respectively positioned on two sides of the horizontal end of the connecting block (8), and the number of the elastic bolts (10) in each group is two.
4. The high-voltage isolating switch for the power distribution cabinet according to claim 1, characterized in that: the connecting plates (9) are provided with two connecting plates, the two connecting plates (9) are symmetrical about the vertical central line of the limiting plate (11), and the two connecting plates (9) are provided with clamping grooves clamped with the elastic bolts (10).
5. The high-voltage isolating switch for the power distribution cabinet according to claim 1, characterized in that: the distance between the bottom of the elastic connecting plate (14) and the wire outlet plate (5) is smaller than the width of the conductive column (7).
6. The high-voltage isolating switch for the power distribution cabinet according to claim 1, characterized in that: the width of the connecting block (8) is smaller than the distance between the two connecting plates (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911423145.1A CN111091995B (en) | 2019-12-31 | 2019-12-31 | High-voltage isolating switch for power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911423145.1A CN111091995B (en) | 2019-12-31 | 2019-12-31 | High-voltage isolating switch for power distribution cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111091995A true CN111091995A (en) | 2020-05-01 |
| CN111091995B CN111091995B (en) | 2022-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911423145.1A Active CN111091995B (en) | 2019-12-31 | 2019-12-31 | High-voltage isolating switch for power distribution cabinet |
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| CN (1) | CN111091995B (en) |
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| CN85201634U (en) * | 1985-05-10 | 1986-03-05 | 钟阳 | Knife switch with a locking device |
| US6271489B1 (en) * | 1999-12-31 | 2001-08-07 | Square D Company | Cam-lock enhanced pressure switch contacts |
| CN201004406Y (en) * | 2006-08-14 | 2008-01-09 | 河南森源电气股份有限公司 | An indoor high voltage separation switch trigger knife closing and pressing machine |
| DE102008024387A1 (en) * | 2008-05-15 | 2009-11-19 | Siemens Aktiengesellschaft | Switching device, has movable contact element contacting stationary contact element in contact position for closing electric circuit, and deceleration device reducing speed of movable contact element |
| CN202183325U (en) * | 2011-08-13 | 2012-04-04 | 宁波宝鑫铁路信号设备制造有限公司 | Large current disconnecting switch contact knife clamping device for rail transit |
| CN202633123U (en) * | 2012-06-01 | 2012-12-26 | 成都电业局 | Single-pole knife gate |
| CN204045479U (en) * | 2014-07-11 | 2014-12-24 | 浙江天虹电气金具有限公司 | Alternating-current high-voltage isolation switch |
| CN205376375U (en) * | 2016-02-29 | 2016-07-06 | 河南莱源电气有限公司 | Isolator that accuracy target in place during combined floodgate |
| CN206116273U (en) * | 2016-11-09 | 2017-04-19 | 合能电气有限公司 | Outdoor high -voltage isolating switch |
| CN107808793A (en) * | 2017-12-26 | 2018-03-16 | 安徽开诚电器有限公司 | A kind of electric switch for preventing from getting an electric shock |
| CN207896017U (en) * | 2017-12-25 | 2018-09-21 | 山东省产品质量检验研究院 | A kind of dust and moisture formula list knife switch |
| CN208507547U (en) * | 2018-07-20 | 2019-02-15 | 乐清市双泰电器厂 | A kind of switch closure arrangement |
| CN209169023U (en) * | 2018-10-31 | 2019-07-26 | 镇江爱电智慧能源有限公司 | A kind of ring network cabinet earthing switch disconnecting link retaining mechanism |
| CN209496766U (en) * | 2019-04-26 | 2019-10-15 | 辽宁元旭机电设备销售有限公司 | A kind of low-voltage movable disconnecting switch |
-
2019
- 2019-12-31 CN CN201911423145.1A patent/CN111091995B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85201634U (en) * | 1985-05-10 | 1986-03-05 | 钟阳 | Knife switch with a locking device |
| US6271489B1 (en) * | 1999-12-31 | 2001-08-07 | Square D Company | Cam-lock enhanced pressure switch contacts |
| CN201004406Y (en) * | 2006-08-14 | 2008-01-09 | 河南森源电气股份有限公司 | An indoor high voltage separation switch trigger knife closing and pressing machine |
| DE102008024387A1 (en) * | 2008-05-15 | 2009-11-19 | Siemens Aktiengesellschaft | Switching device, has movable contact element contacting stationary contact element in contact position for closing electric circuit, and deceleration device reducing speed of movable contact element |
| CN202183325U (en) * | 2011-08-13 | 2012-04-04 | 宁波宝鑫铁路信号设备制造有限公司 | Large current disconnecting switch contact knife clamping device for rail transit |
| CN202633123U (en) * | 2012-06-01 | 2012-12-26 | 成都电业局 | Single-pole knife gate |
| CN204045479U (en) * | 2014-07-11 | 2014-12-24 | 浙江天虹电气金具有限公司 | Alternating-current high-voltage isolation switch |
| CN205376375U (en) * | 2016-02-29 | 2016-07-06 | 河南莱源电气有限公司 | Isolator that accuracy target in place during combined floodgate |
| CN206116273U (en) * | 2016-11-09 | 2017-04-19 | 合能电气有限公司 | Outdoor high -voltage isolating switch |
| CN207896017U (en) * | 2017-12-25 | 2018-09-21 | 山东省产品质量检验研究院 | A kind of dust and moisture formula list knife switch |
| CN107808793A (en) * | 2017-12-26 | 2018-03-16 | 安徽开诚电器有限公司 | A kind of electric switch for preventing from getting an electric shock |
| CN208507547U (en) * | 2018-07-20 | 2019-02-15 | 乐清市双泰电器厂 | A kind of switch closure arrangement |
| CN209169023U (en) * | 2018-10-31 | 2019-07-26 | 镇江爱电智慧能源有限公司 | A kind of ring network cabinet earthing switch disconnecting link retaining mechanism |
| CN209496766U (en) * | 2019-04-26 | 2019-10-15 | 辽宁元旭机电设备销售有限公司 | A kind of low-voltage movable disconnecting switch |
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| Publication number | Publication date |
|---|---|
| CN111091995B (en) | 2022-09-30 |
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