CN110265908B - Electric shock prevention all-insulated switch cabinet - Google Patents
Electric shock prevention all-insulated switch cabinet Download PDFInfo
- Publication number
- CN110265908B CN110265908B CN201910635913.3A CN201910635913A CN110265908B CN 110265908 B CN110265908 B CN 110265908B CN 201910635913 A CN201910635913 A CN 201910635913A CN 110265908 B CN110265908 B CN 110265908B
- Authority
- CN
- China
- Prior art keywords
- push plate
- switch cabinet
- thorn
- side wall
- electric shock
- 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.)
- Active
Links
- 230000002265 prevention Effects 0.000 title claims abstract description 14
- 239000011810 insulating material Substances 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 229910010293 ceramic material Inorganic materials 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 3
- 235000012239 silicon dioxide Nutrition 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 description 8
- 239000012774 insulation material Substances 0.000 description 3
- 230000016507 interphase Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- 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
- H02B11/02—Details
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The invention discloses an electric shock prevention all-insulated switch cabinet, which comprises a switch cabinet body, an electric shock prevention mechanism and a switch cabinet control mechanism, wherein the switch cabinet body is provided with a side wall and a bottom wall, the electric shock prevention mechanism is arranged on the inner side of the side wall and comprises an insulating handle, a reticular push plate and an arc extinguishing part; according to the invention, by arranging the electric shock prevention mechanism, when the switch cabinet has an arcing hidden trouble, a worker can conveniently conduct arc extinguishing treatment on the cabinet body through pushing and pulling the insulating handle, wherein solid granular substances with good insulating property, heat conducting property and flowing property are adopted, the connecting part is pierced through the piercing sheet, and the connecting part is filled into the environment in the switch cabinet body, so that the purpose of arc extinguishing is achieved, the worker can conduct pretreatment when checking the switch cabinet fault, the potential safety hazard is eliminated, and the safety performance is improved.
Description
Technical Field
The invention relates to the technical field of power application, in particular to an electric shock prevention all-insulated switch cabinet.
Background
In recent years, the volume of switch cabinets is continuously reduced, and defects and faults of the insulation performance in the cabinet are increased. The main expression is as follows: the climbing distance and the air gap are insufficient, particularly the handcart cabinet, in order to shorten the size of the cabinet body, a plurality of manufacturers do not take measures for effectively ensuring the insulation strength, but greatly reduce the inter-phase and ground distances of a breaker and an isolation plug which are arranged in the cabinet; the assembly process is poor, and due to poor assembly quality, a single element in the switch cabinet can pass through a voltage withstand test, but the whole assembled switch cabinet cannot pass through; insufficient contact capacity or poor contact, when the contact capacity is insufficient or poor contact, the local temperature is increased, the insulation performance is reduced, and the ground or interphase flashover is caused; the condensation phenomenon, which occurs in the switch cabinet, is caused by the fact that the self-contained heater is easy to damage and can not work normally, and the insulation performance is reduced; the insulating property of the matched accessories is poor. In order to reduce the cost, a part of manufacturing factories adopt matched accessories with lower insulation level, so that the overall insulation performance of the switch cabinet is reduced.
Disclosure of Invention
The invention provides an electric shock prevention all-insulated switch cabinet, which improves the safety performance of workers when the switch cabinet is used.
The utility model provides a protection against electric shock all-insulated cubical switchboard, includes the cubical switchboard body, has lateral wall and diapire, still includes the protection against electric shock mechanism of setting up in the lateral wall inboard, protection against electric shock mechanism includes insulating handle, netted push pedal and arc extinguishing portion; wherein,
The side wall is provided with a through hole, the insulating handle stretches into the switch cabinet body through the through hole, the stretching end of the insulating handle is connected with the top of the net-shaped push plate, the bottom of the net-shaped push plate is inserted into the bottom wall, the bottom wall is provided with a chute matched with the bottom of the net-shaped push plate, an arc extinguishing part is arranged between the net-shaped push plate and the side wall, and a spring is further arranged between the bottom of the net-shaped push plate and the side wall so that the bottom of the net-shaped push plate is in butt joint with the chute;
The arc extinguishing portion comprises a connecting portion with a shrinking neck portion, nanometer insulating materials are filled in the connecting portion, a cylindrical hollow hole is formed in the center of the connecting portion, a slide way, balls and a thorn piece are arranged in the cylindrical hollow hole, one end of the slide way is fixed on the side wall, the other end of the slide way is rotatably connected with the balls, the thorn piece comprises a first thorn portion and a second thorn portion, the tail portions of the first thorn portion and the second thorn portion are hinged together, a flaring area is formed in the head portion of the first thorn portion and the second thorn portion, the balls are contained in the flaring area, and the thorn piece is arranged on a net-shaped push plate through a hinging point.
Further, the nano insulating material is a spheroidized nano insulating material with a size of 20-30 microns.
Further, the nano insulating material is a nano ceramic material with silicon dioxide or aluminum oxide as a main component.
Further, a groove is formed in the side wall corresponding to the slideway, a limiting part and an elastic part are sequentially arranged in the groove from inside to outside in a clamping manner, and the slideway is fixedly arranged on the outer side of the elastic part.
Further, the limiting part and the elastic part are bonded together.
Further, the necking portion is disposed in the middle of the connecting portion.
Compared with the prior art, the invention has the beneficial effects that:
According to the invention, by arranging the electric shock prevention mechanism, when the switch cabinet has an arcing hidden trouble, a worker can conveniently conduct arc extinguishing treatment on the cabinet body through pushing and pulling the insulating handle, wherein solid granular substances with good insulating property, heat conducting property and flowing property are adopted, the connecting part is pierced through the piercing sheet, and the connecting part is filled into the environment in the switch cabinet body, so that the purpose of arc extinguishing is achieved, the worker can conduct pretreatment when checking the switch cabinet fault, the potential safety hazard is eliminated, and the safety performance is improved.
Drawings
FIG. 1 is a schematic diagram of a structure in one embodiment of the invention;
FIG. 2 is an enlarged schematic cross-sectional view of the invention at A of FIG. 1;
FIG. 3 is an enlarged schematic view of the present invention at B of FIG. 1;
Fig. 4 is an enlarged schematic view of the present invention at C of fig. 3.
Reference numerals illustrate:
00. the switch cabinet body (01), side walls, 02, bottom wall, 03, springs, 20, an electric shock prevention mechanism, 21, an insulating handle, 22, a reticular push plate, 23, arc extinguishing part 231, connecting part 232, limiting part 233, elastic part 234, thorn piece 235, slideway 236 and ball.
Detailed Description
One embodiment of the present invention will be described in detail below with reference to the attached drawings, but it should be understood that the scope of the present invention is not limited by the embodiment.
As shown in fig. 1 to 4, the switch cabinet with electric shock prevention and total insulation provided by the embodiment of the invention comprises a switch cabinet body 00, a side wall 01 and a bottom wall 02, and an electric shock prevention mechanism 20 arranged on the inner side of the side wall 01, wherein the electric shock prevention mechanism 20 comprises an insulation handle 21, a reticular push plate 22 and an arc extinguishing part 23; wherein,
The side wall 01 is provided with a through hole, the insulating handle 21 extends into the switch cabinet body 00 through the through hole, the extending end of the insulating handle 21 is connected with the top of the net-shaped push plate 22, the bottom of the net-shaped push plate 22 is inserted into the bottom wall 02, the bottom wall 02 is provided with a chute matched with the bottom of the net-shaped push plate 22, an arc extinguishing part 23 is arranged between the net-shaped push plate 22 and the side wall 01, and a spring 03 is also arranged between the bottom of the net-shaped push plate 22 and the side wall 01 so that the bottom of the net-shaped push plate 22 is in butt joint with the chute;
The arc extinguishing part 23 includes connecting portion 231 that has the neck that contracts, connecting portion 231 intussuseption is filled with nanometer insulating material, connecting portion 231 center is provided with the hollow hole of cylinder, be provided with slide 235, ball 236 and thorn piece 234 in the hollow hole of cylinder, the one end of slide 235 is fixed on lateral wall 01, the other end rotatable coupling of slide 235 has ball 236, thorn piece 234 includes the afterbody first thorn portion and the second thorn portion that articulate together, the head of first thorn portion and second thorn portion is formed with the flaring region, hold ball 236 in the flaring region, thorn piece 234 sets up on netted push pedal 22 through the pin joint.
In the above technical solution, the reticular push plate 22 extrudes and punctures the arc extinguishing portion 23 under the action of the outward force of the insulating handle 21, the nano insulating material is released, the insulating property, the heat conducting property and the flow property are good, and the radiation and heat dissipation are accelerated, thereby playing the role of arc extinguishing, in order to prevent the misoperation to make the connecting portion 231 invalid, one end of the thorn piece 234 is hinged on the reticular push plate 22, the slideway 235 is used for separating the thorn piece 234 to move to two sides to puncture the connecting portion 231, and the ball 236 is arranged, so that the whole process is smoother and more convenient. Preferably, the slideway 235 may be provided in a rod shape.
In this embodiment, in order to increase the specific surface contact area to increase the arc extinguishing efficiency, the nano-insulation material is a spheroidized nano-insulation material having a size of 20 to 30 micrometers.
In this embodiment, the nano-insulation material is a nano-ceramic material whose main component is silicon dioxide or aluminum oxide.
In this embodiment, in order to stab the stability of the movement, a groove is provided in the side wall 01 corresponding to the slideway 235, a limiting portion 232 and an elastic portion 233 are sequentially provided in the groove from inside to outside, and the slideway 235 is fixedly provided on the outer side of the elastic portion 233.
In this embodiment, the limiting portion 232 and the elastic portion 233 are bonded together.
In this embodiment, in order to facilitate rapid puncturing of the connection portion 231, the neck portion is disposed in the middle of the connection portion 231, and the wall in the middle is thinner, and gradually becomes thicker from the middle to both ends, so that the connection portion 231 can be rapidly crushed and punctured when being impacted from outside.
The foregoing disclosure is merely illustrative of some embodiments of the invention, but the embodiments are not limited thereto, and any variations that may be contemplated by one skilled in the art should fall within the scope of the invention.
Claims (1)
1. The utility model provides a full insulating cubical switchboard of protection against electric shock, includes the cubical switchboard body, has lateral wall and diapire, its characterized in that: the electric shock prevention mechanism is arranged on the inner side of the side wall and comprises an insulating handle, a reticular push plate and an arc extinguishing part; the side wall is provided with a through hole, the insulating handle stretches into the switch cabinet body through the through hole, the stretching end of the insulating handle is connected with the top of the net-shaped push plate, the bottom of the net-shaped push plate is inserted into the bottom wall, the bottom wall is provided with a chute matched with the bottom of the net-shaped push plate, an arc extinguishing part is arranged between the net-shaped push plate and the side wall, and a spring is further arranged between the bottom of the net-shaped push plate and the side wall so that the bottom of the net-shaped push plate is in butt joint with the chute;
the arc extinguishing part comprises a connecting part with a necking part, and the necking part is arranged in the middle of the connecting part; the connecting part is filled with a nano insulating material, the nano insulating material is a spheroidized nano insulating material with the diameter of 20-30 micrometers, and the nano insulating material is a nano ceramic material with main components of silicon dioxide or aluminum oxide;
The connecting part is provided with a cylindrical hollow hole in the center, a slide way, balls and a thorn piece are arranged in the cylindrical hollow hole, one end of the slide way is fixed on the side wall, the other end of the slide way is rotatably connected with the balls, the thorn piece comprises a first thorn part and a second thorn part, the tail parts of the first thorn part and the second thorn part are hinged together, the heads of the first thorn part and the second thorn part are formed with flaring areas, the balls are accommodated in the flaring areas, and the thorn piece is arranged on the reticular push plate through a hinging point;
A groove is formed in the side wall corresponding to the slideway, a limiting part and an elastic part are sequentially arranged in the groove from inside to outside in a clamping manner, and the slideway is fixedly arranged on the outer side of the elastic part; the limiting part and the elastic part are bonded together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910635913.3A CN110265908B (en) | 2019-07-15 | 2019-07-15 | Electric shock prevention all-insulated switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910635913.3A CN110265908B (en) | 2019-07-15 | 2019-07-15 | Electric shock prevention all-insulated switch cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110265908A CN110265908A (en) | 2019-09-20 |
| CN110265908B true CN110265908B (en) | 2024-06-04 |
Family
ID=67926137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910635913.3A Active CN110265908B (en) | 2019-07-15 | 2019-07-15 | Electric shock prevention all-insulated switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110265908B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102163815A (en) * | 2011-02-14 | 2011-08-24 | 天津保富电气有限公司 | Subway direct current (DC) switch cabinet safety protection and isolation device |
| CN102290730A (en) * | 2011-04-25 | 2011-12-21 | 张增起 | Solid insulation sealed component for high-voltage alternating-current vacuum switch cabinet |
| CN203932776U (en) * | 2014-07-01 | 2014-11-05 | 国家电网公司 | 10kV switch cubicle protection against electric shock insulation handcart |
| CN204190250U (en) * | 2014-11-06 | 2015-03-04 | 徐州中铁电气有限公司 | Ring main unit |
| CN104538265A (en) * | 2014-11-28 | 2015-04-22 | 浙江正泰电器股份有限公司 | Arc extinguishing chamber and residual current operated circuit breaker |
| CN206363941U (en) * | 2016-12-21 | 2017-07-28 | 国网辽宁省电力有限公司葫芦岛供电公司 | A kind of power switch with electroshock-proof function |
| CN206602308U (en) * | 2016-09-23 | 2017-10-31 | 武汉长海电气科技开发有限公司 | A kind of Novel DC gets over area's load switching unit |
| CN208272482U (en) * | 2018-06-21 | 2018-12-21 | 王国伟 | A kind of switchgear protection against electric shock insulation handcart |
| CN209881215U (en) * | 2019-07-15 | 2019-12-31 | 广东佰林电气设备厂有限公司 | Electric shock prevention all-insulated switch cabinet |
-
2019
- 2019-07-15 CN CN201910635913.3A patent/CN110265908B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102163815A (en) * | 2011-02-14 | 2011-08-24 | 天津保富电气有限公司 | Subway direct current (DC) switch cabinet safety protection and isolation device |
| CN102290730A (en) * | 2011-04-25 | 2011-12-21 | 张增起 | Solid insulation sealed component for high-voltage alternating-current vacuum switch cabinet |
| CN203932776U (en) * | 2014-07-01 | 2014-11-05 | 国家电网公司 | 10kV switch cubicle protection against electric shock insulation handcart |
| CN204190250U (en) * | 2014-11-06 | 2015-03-04 | 徐州中铁电气有限公司 | Ring main unit |
| CN104538265A (en) * | 2014-11-28 | 2015-04-22 | 浙江正泰电器股份有限公司 | Arc extinguishing chamber and residual current operated circuit breaker |
| CN206602308U (en) * | 2016-09-23 | 2017-10-31 | 武汉长海电气科技开发有限公司 | A kind of Novel DC gets over area's load switching unit |
| CN206363941U (en) * | 2016-12-21 | 2017-07-28 | 国网辽宁省电力有限公司葫芦岛供电公司 | A kind of power switch with electroshock-proof function |
| CN208272482U (en) * | 2018-06-21 | 2018-12-21 | 王国伟 | A kind of switchgear protection against electric shock insulation handcart |
| CN209881215U (en) * | 2019-07-15 | 2019-12-31 | 广东佰林电气设备厂有限公司 | Electric shock prevention all-insulated switch cabinet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110265908A (en) | 2019-09-20 |
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