CN215267361U - In put cabinet circuit breaker compartment and overhaul safety shield device - Google Patents
In put cabinet circuit breaker compartment and overhaul safety shield device Download PDFInfo
- Publication number
- CN215267361U CN215267361U CN202120994258.3U CN202120994258U CN215267361U CN 215267361 U CN215267361 U CN 215267361U CN 202120994258 U CN202120994258 U CN 202120994258U CN 215267361 U CN215267361 U CN 215267361U
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- Prior art keywords
- insulating
- safety shield
- circuit breaker
- safety
- breaker compartment
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910052802 copper Inorganic materials 0.000 claims abstract description 23
- 239000010949 copper Substances 0.000 claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 239000004020 conductor Substances 0.000 claims abstract description 3
- 230000004888 barrier function Effects 0.000 claims description 12
- 238000012423 maintenance Methods 0.000 abstract description 32
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- 230000008439 repair process Effects 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 5
- 238000007689 inspection Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229920001342 Bakelite® Polymers 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000004637 bakelite Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
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- Gas-Insulated Switchgears (AREA)
Abstract
The utility model discloses an in put cabinet circuit breaker compartment and overhaul safety shield device places in put formula cubical switchboard, under valve mechanism open mode for shelter from valve mechanism, including insulating safety shield, ground copper bar, insulating handle, support bracket, the ground copper bar sets up in insulating safety shield's the front and connect earth conductor, insulating handle sets up in insulating safety shield's front, grips when being used for getting and putting the device, support bracket installs in insulating safety shield's bottom for support is put formula cubical switchboard diapire in the centre, makes insulating safety shield keep upright state. The utility model discloses in the use, can keep sufficient safe distance between maintainer and the electrified body, guarantee the safety of maintainer among the maintenance process, promote the security and the reliability of maintenance work, shortened the repair duration.
Description
Technical Field
The utility model belongs to the technical field of electric power engineering, especially, relate to in put cabinet circuit breaker and overhaul device.
Background
The switch cabinet is a main component of a distribution network. The 10kV switchyard and 10kV low-voltage side equipment in the transformer substation mostly adopt a middle handcart type switch cabinet. The high-voltage centrally installed switchgear switch is a full-scale armored movable alternating-current metal-enclosed switchgear, occupies a small area, is convenient to install and use, and is widely applied to a power system. With the rapid development of national economy, the number of 10kV switch stations is synchronously and rapidly increased, and the using amount of switch cabinet devices in the switch stations is steadily increased.
However, the central switch cabinet also has disadvantages, and since the equipment manufacturer does not consider the maintenance, defect elimination and maintenance requirements of the maintenance unit when the internal fault of the circuit breaker cabinet is processed in the design and manufacturing source links, when the maintenance staff pulls out the handcart switch, the staff has great personal safety risks in the maintenance work without power cut on the bus side of the switch cabinet because the valve mechanism of the circuit breaker cabinet has no locking function.
When a handcart type circuit breaker cabinet static contact baffle operates in practice, the action principle is as follows: when the circuit breaker is pushed into the handcart chamber, the roller is pressed, the roller is stressed, the baffle is lifted up through the connecting rod, and then the moving contact enters the static contact chamber, so that the circuit breaker is in a working position. When the circuit breaker is pulled out of the handcart room, the roller is not stressed, and the baffle plate is restored to the original position. Generally, when an operation and maintenance maintainer performs maintenance and repair operation on an indoor handcart type circuit breaker cabinet, due to reasons such as power grid risks and customer power supply, buses of the circuit breaker cabinet run in an electrified mode, namely, fixed contacts on the sides of the buses of the circuit breaker cabinet are in an electrified state. The operation and maintenance personnel can manually open the baffle at the bus side (line side) in the operation process, so that personal casualty accidents are easily caused, and the operation risk is huge.
Due to working reasons of the car type circuit breaker cabinet, after the valve mechanism is opened by manpower, operation and maintenance staff must keep an opening state for a long time by depending on the manpower, only can carry out simple visual inspection and appearance inspection, and cannot carry out normal and standard inspection, maintenance and fault treatment, and the safety distance between a charged body behind the valve and a human body cannot be effectively guaranteed.
Therefore, based on the objective current situation of the indoor handcart type circuit breaker, the practical operation, maintenance and overhaul conditions are combined, so that the equipment can safely and normatively carry out the related work of daily inspection, maintenance, overhaul, phasing and fault treatment, and the research work of the compartment safety baffle device of the circuit breaker of the centrally installed switchgear is carried out.
SUMMERY OF THE UTILITY MODEL
The electrified state of component trouble in not considering the cabinet to present relevant cabinet structure overhauls the processing, can not solve interim defect, troubleshooting and maintenance inspection processing work under the high-pressure built-in cubical switchboard incasement equipment running state, the utility model aims to solve the technical problem that an in put cabinet circuit breaker compartment and overhaul safety shield device is provided, solve among built-in cubical switchboard maintenance, fault handling, the electrified test discharge that probably appears, mistake and bump electrified equipment etc. a great deal of problem and harm.
In order to solve the technical problem, the utility model adopts the following technical scheme: put cabinet circuit breaker compartment and overhaul safety shield device in putting formula cubical switchboard in, under the valve mechanism state of opening for shelter from valve mechanism, including insulating safety shield, ground copper bar, insulating handle, support bracket, the ground copper bar sets up in insulating safety shield's preceding and connect earth conductor, insulating handle sets up in insulating safety shield's preceding for get when putting the device and grip, support bracket installs in insulating safety shield's bottom for support is at the formula cubical switchboard diapire of putting, makes insulating safety shield keep upright state.
Preferably, the insulating handle and the supporting bracket are fixed on the insulating safety baffle by adopting fixing screws and simultaneously press and fix the grounding copper bar.
Preferably, the two grounding copper bars are arranged and are L-shaped, the transverse side edges of the two grounding copper bars are parallel up and down, the free end of the vertical side edge is provided with a connecting sheet, an interval space is arranged in front of the connecting sheet and the insulating safety baffle plate, and the connecting sheets of the two grounding copper bars are stacked and fixedly connected through a connecting bolt.
Preferably, the ground lead is fixed to the connection bolt.
Preferably, the support bracket is a foldable tripod, and the foldable tripod comprises a side edge fixed in front of the insulating safety baffle, a bottom edge hinged with the bottom of the side edge and capable of being folded upwards and stored into a whole with the side edge, and a connecting rod with one end hinged with the side edge and the other end hinged with a waist-shaped groove on the bottom edge through a pin shaft.
The utility model discloses a technical scheme, put cabinet circuit breaker compartment and overhaul safety shield device and place in put formula cubical switchboard in, under the valve mechanism state of opening, insulating safety shield shelters from in valve mechanism the place ahead, and insulating handle grips when being used for getting to put the device, and support bracket is used for supporting the diapire at put formula cubical switchboard in, makes insulating safety shield keep the state of standing vertically.
Therefore, the following beneficial effects are achieved: in the use, can keep sufficient safe distance between maintainer and the electrified body, guarantee the safety of maintainer among the maintenance process, promote the security and the reliability of maintenance work, shortened the maintenance time.
The specific technical solution and the advantages of the present invention will be described in detail in the following detailed description with reference to the accompanying drawings.
Drawings
The invention will be further described with reference to the accompanying drawings and specific embodiments:
fig. 1 is a front schematic view of the compartment maintenance safety baffle device of the breaker of the centrally installed switchgear of the present invention;
fig. 2 is a side view of the safety baffle device for overhauling the compartment of the breaker of the centrally installed switchgear of the present invention;
in the figure: 1-insulating safety baffle, 2-grounding copper bar, 21-connecting piece, 22-connecting bolt, 23-grounding wire, 3-insulating handle, 4-supporting bracket, 41-bottom edge, 42-side edge and 43-connecting rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Noun interpretation
A circuit breaker compartment: the middle part of the centrally-mounted cabinet is provided with rails on two sides of the compartment, and the arch handcart moves from a test position to a working position in the cabinet. In the process, the valve on the upper contact box and the lower contact box is linked with the handcart and is automatically opened; when the handcart moves in the reverse direction, the valve is automatically closed until the handcart moves back to the test position to completely cover the static contact box.
A valve mechanism: the valve mechanism is generally in the middle of the switch cabinet and is at the same height as the circuit breaker trolley. When in a test position, the valve mechanism is closed, so that the primary charged body is thoroughly isolated, and safety guarantee is provided for operators and equipment. When the device is in a working position, the valve mechanism is opened, and at the moment, the circuit breaker handcart can divide and operate the power transmission of the device.
In order to complete the maintenance work of the central switch cabinet, such as the falling treatment of a safety baffle between contacts, the maintenance work of a valve mechanism, the cleaning and lubricating oil adding work in the cabinet, and the like, the safety distance between an operation tool and live equipment is ensured, the personal injury is prevented, the maintenance effectiveness and reliability of cabinet body elements are improved, a set of special tool is necessarily developed, and various problems and damages such as discharge, mistaken touch of the live equipment and the like which may occur in the maintenance, fault treatment and live test of the central switch cabinet are solved.
Therefore, in order to minimize the safety risk of a working site, the safety of maintenance workers during maintenance of the centrally-mounted switch cabinet is guaranteed, the safety and reliability of maintenance work are improved, electric shock is prevented by mistake, and a safety baffle device for inhibiting maintenance of the compartment of the circuit breaker of the centrally-mounted switch cabinet is designed.
Referring to fig. 1 and 2, the compartment maintenance safety barrier device of the circuit breaker of the centrally installed switchgear is placed in the centrally installed switchgear, and when the valve mechanism is in an open state, the compartment maintenance safety barrier device is used for shielding the valve mechanism in front of the valve mechanism, and comprises an insulating safety barrier 1, a grounding copper bar 2, an insulating handle 3 and a support bracket 4, wherein the grounding copper bar 2 is arranged in front of the insulating safety barrier and connected with a grounding lead 23, the insulating handle 3 is arranged in front of the insulating safety barrier and used for holding when the device is taken and placed, and the support bracket 4 is arranged at the bottom of the insulating safety barrier and used for supporting the bottom wall of the centrally installed switchgear to enable the insulating safety barrier to keep an upright state.
In this embodiment, the insulating handle 3 and the supporting bracket 4 are fixed on the insulating safety baffle 1 by fixing screws and simultaneously compress and fix the ground copper bar 2, so that the ground copper bar 2 does not need to be fastened independently, the installation is convenient, and the cost is saved.
Specifically, ground copper bar 2 is equipped with two, and two ground copper bars all are the L shape, and the horizontal side of two ground copper bars is parallel from top to bottom, and the free end of vertical side is equipped with connection piece 21, and the connection piece is equipped with the interval space with insulating safety shield's preceding, and the connection piece of two ground copper bars is range upon range of and passes through connecting bolt 22 fixed connection. Meanwhile, the ground lead 23 is fixed to the connection bolt.
Wherein, the insulating safety baffle 1 is made of an insulating rubber mat. The insulating material has good physical and mechanical properties, excellent insulating property, electric arc resistance and tracking resistance, and can work in an environment with high dielectric coefficient requirement in dry air at-35 to +100 ℃. The voltage class of the insulating rubber pad adopted by the embodiment is 10kV, and the insulating requirement of a 10kV switch station can be met. The insulated handle 3 is made of bakelite, and the surface of the insulated handle is subjected to plastic spraying treatment, so that the insulated handle has good solvent resistance, engine oil resistance and grease resistance.
In one embodiment, the support bracket 4 is a foldable tripod including a side 42 fixed in front of the insulating safety barrier, a bottom 41 hinged to the bottom of the side and foldable upward to be received in the side, and a connecting rod 43 hinged to the side at one end and hinged to a waist-shaped groove on the bottom at the other end. Because when not using, support bracket 4 can be folded, consequently can avoid taking up great space, in addition, can carry out effectual support in insulating safety shield upright state after the expansion.
The compartment maintenance safety baffle device of the circuit breaker of the centrally installed switchgear is a safe, universal and convenient electric shock prevention safety baffle device. The field application shows that the operation is flexible, the operation is completely convenient and fast, the insulation is reliable, the safety of the maintenance work is greatly improved, the labor intensity of workers is reduced, the working efficiency is improved, and the method has higher popularization and application values.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the above specific embodiments. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.
Claims (5)
1. Put cabinet circuit breaker compartment and overhaul safety shield device in put formula cubical switchboard in, under the valve mechanism state of opening for shelter from valve mechanism, its characterized in that: including insulating safety shield, ground copper bar, insulating handle, support bracket, the ground copper bar sets up in insulating safety shield's preceding and connect earth conductor, insulating handle sets up in insulating safety shield's preceding for grip when getting to put the device, support bracket installs in insulating safety shield's bottom, is used for supporting at the built-in cubical switchboard diapire of centre, makes insulating safety shield keep upright state.
2. The mid-cabinet circuit breaker compartment service safety barrier apparatus of claim 1, wherein: the insulating handle and the supporting bracket are fixed on the insulating safety baffle by adopting fixing screws and simultaneously press and fix the grounding copper bar.
3. The mid-cabinet circuit breaker compartment service safety barrier apparatus of claim 2, wherein: the two grounding copper bars are arranged and are L-shaped, the transverse side edges of the two grounding copper bars are parallel up and down, the free ends of the vertical side edges are provided with connecting pieces, the connecting pieces and the front surface of the insulating safety baffle are provided with spacing spaces, and the connecting pieces of the two grounding copper bars are stacked and fixedly connected through connecting bolts.
4. The mid-cabinet circuit breaker compartment service safety barrier apparatus of claim 3, wherein: the grounding lead is fixed on the connecting bolt.
5. The mid-cabinet circuit breaker compartment service safety barrier apparatus of claim 1, wherein: the support bracket is a foldable tripod, the foldable tripod comprises a side edge fixed in front of the insulating safety baffle, a bottom edge hinged with the bottom of the side edge and capable of being folded upwards and stored into a whole with the side edge, and a connecting rod, one end of the connecting rod is hinged with the side edge, and the other end of the connecting rod is hinged with a waist-shaped groove in the bottom edge through a pin shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120994258.3U CN215267361U (en) | 2021-05-11 | 2021-05-11 | In put cabinet circuit breaker compartment and overhaul safety shield device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120994258.3U CN215267361U (en) | 2021-05-11 | 2021-05-11 | In put cabinet circuit breaker compartment and overhaul safety shield device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215267361U true CN215267361U (en) | 2021-12-21 |
Family
ID=79454778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120994258.3U Active CN215267361U (en) | 2021-05-11 | 2021-05-11 | In put cabinet circuit breaker compartment and overhaul safety shield device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215267361U (en) |
-
2021
- 2021-05-11 CN CN202120994258.3U patent/CN215267361U/en active Active
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