CN214124341U

CN214124341U - Low-voltage bus isolation protection assembly

Info

Publication number: CN214124341U
Application number: CN202022933192.5U
Authority: CN
Inventors: 张巍芸; 吕韶华; 白雁礼; 倪呈潜
Original assignee: Shanghai Electric Factory Industrial Co ltd
Current assignee: Shanghai Electric Factory Industrial Co ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-09-03
Anticipated expiration: 2030-12-07

Abstract

The application relates to the technical field of low-voltage bus cover plates, in particular to a low-voltage bus isolation protection assembly which comprises a drawer function unit rear outlet end protection mechanism and a vertical bus bar protection mechanism which are arranged in a bus function area; the drawer functional unit rear outlet end protection mechanism comprises a first left protection plate, a first right protection plate and a first baffle plate, wherein the first left protection plate, the first right protection plate, the cabinet inner left partition plate, the cabinet inner functional drawer unit mounting plate and the first baffle plate surround a drawer functional unit rear outlet end protection area; the vertical busbar protection mechanism comprises a second left protection plate, a second right protection plate and a second baffle, wherein a vertical busbar protection area is defined by the second left protection plate, the second right protection plate, the first right protection plate, the functional drawer unit mounting plate in the cabinet and the second baffle. This application is through setting up leading-out terminal protection machanism, vertical bus row protection machanism behind the drawer functional unit, has the advantage that improves the low-voltage cabinet security.

Description

Low-voltage bus isolation protection assembly

Technical Field

The application relates to the technical field of low-voltage bus cover plates, in particular to a low-voltage bus isolation protection assembly.

Background

The bus bar is a product made of high-conductivity copper and aluminum materials, is used for transmitting electric energy and has the capacity of collecting and distributing electric power. The electric energy output by the generator, the transformer or the rectifier is transmitted to each user or other substations through the bus conductor. In an electric power system, a bus bar connects together various current-carrying branch circuits in a distribution device, and functions to collect, distribute, and transfer electric energy. With the emergence of modern engineering facilities and equipment, the electricity consumption of all industries is increased, especially the appearance of numerous high-rise buildings and large-scale factory workshops, the traditional cable serving as a power transmission lead cannot meet the requirement in a large-current transmission system, and the parallel connection of multiple cables brings inconvenience to on-site installation, construction and connection.

Currently, in the related art, a main bus is disposed outside a low voltage cabinet, and a vertical bus is connected to the main bus into the low voltage cabinet to form a plurality of loops in the low voltage cabinet. A plurality of different functional areas are arranged in the low-voltage cabinet, and the charged busbar and the cable are arranged in the different functional areas in a penetrating mode.

As shown in the attached drawing 1, two mutually perpendicular left partition boards 2 in the cabinet and functional drawer unit mounting plates 3 in the cabinet are vertically arranged in a low-voltage cabinet 1, the left partition boards 2 in the cabinet and the functional drawer unit mounting plates 3 in the cabinet divide the interior of the low-voltage cabinet 1 into a bus functional area 4, a drawer unit functional area 5 and a cable outgoing line functional area 6, which are three functional areas (functional components in the functional areas are hidden), a low-voltage bus penetrates through the drawer unit functional area 5 from the bus functional area 4, then penetrates through the bus functional area 4 from the drawer unit functional area 5, and finally penetrates through the cable outgoing line functional area 6 from the bus functional area 4. The low-voltage bus in the bus functional area 4 is directly exposed and placed, and when an operator needs to open the low-voltage cabinet for overhauling, great potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

In order to improve the security of switch board, this application provides a protection component is kept apart to low-voltage bus.

The application provides a pair of low voltage bus isolation protection component adopts following technical scheme:

a low-voltage bus isolation protection assembly comprises a drawer function unit rear outlet end protection mechanism and a vertical bus bar protection mechanism which are arranged in a bus function area;

the drawer function unit rear leading-out terminal protection mechanism comprises a first left protection plate with an L-shaped section, a first right protection plate with a groove-shaped section and a first baffle plate, wherein the first left protection plate is fixed with a left baffle plate in the cabinet, the first right protection plate is fixed with a function drawer unit mounting plate in the cabinet, the first baffle plate is detachably connected with the first left protection plate and the first right protection plate respectively, and the first left protection plate, the first right protection plate, the left baffle plate in the cabinet, the function drawer unit mounting plate in the cabinet and the first baffle plate surround a drawer function unit rear leading-out terminal protection area;

the vertical busbar protection mechanism comprises a second left protection plate with an L-shaped cross section, a second right protection plate with a groove-shaped cross section and a second baffle, the second left protection plate is fixed with the first right protection plate, the second right protection plate is fixed with the functional drawer unit mounting plate in the cabinet, the second baffle is detachably connected with the second left protection plate and the second right protection plate respectively, and the second left protection plate, the second right protection plate, the first right protection plate, the functional drawer unit mounting plate in the cabinet and the second baffle surround to form a vertical busbar protection area.

By adopting the technical scheme, most of low-voltage busbars or cables in the busbar functional area in the low-voltage cabinet are exposed, the exposed low-voltage busbars or cables can bring great potential safety hazards when being maintained by workers, and the rear outlet end protection mechanism and the vertical busbar protection mechanism of the drawer functional unit are arranged, so that maintenance personnel can be prevented from touching the low-voltage busbars and the cables when the low-voltage cabinet is opened; the arrangement of the left partition board in the cabinet and the functional drawer unit mounting plate in the cabinet can divide the low-voltage cabinet into various functional areas which are completely isolated from each other, so that a good protection effect can be achieved; first left backplate, first right backplate, baffle one, the setting of function drawer unit mounting panel in left baffle and the cabinet in the cabinet, can protect the exposed cable connection head that passes drawer function unit rear outlet terminal protection mechanism from the low-voltage cabinet, and the setting of second left backplate, the right backplate of second, first right backplate, function drawer unit mounting panel and baffle in the cabinet, can protect the perpendicular female arranging in the generating line functional area, make on-the-spot maintenance personnel can not direct touch electrified body, improved its safety protection nature.

Preferably, the first baffle and the second baffle are arranged in a plurality, and the first baffle and the second baffles are arranged along the height direction of the low-voltage cabinet.

Through adopting above-mentioned technical scheme, set up baffle one and baffle two into a plurality ofly, through setting up like this, when the regional damage that every baffle formed needs the maintenance, can unpack apart the baffle rather than high correspondence alone, other regions do not have the influence, can normally work, maintain damaged area's vertical bus alone, can improve maintenance efficiency, can improve the operational safety again.

Preferably, a plurality of heat dissipation holes are formed in the surfaces of the first baffle and the second baffle.

Through adopting above-mentioned technical scheme, low voltage bus has certain suitable temperature, and when the high temperature, joint department resistance can the grow, leads to the temperature more and more high, brings certain potential safety hazard, through setting up the louvre for the low voltage bus that densely distributes can in time dispel the heat, thereby improves the operation security.

Preferably, the heat dissipation holes are strip-shaped holes, and the strip-shaped holes are uniformly formed in the surface of the first baffle or the surface of the second baffle.

Through adopting above-mentioned technical scheme for the low voltage generating line can in time dispel the heat, and sets up the shape of louvre into the bar form of slope, and even seting up on the surface of baffle one and baffle two, can improve the radiating efficiency, can improve pleasing to the eye practicality again.

Preferably, the surfaces of the first baffle plate and the second baffle plate are respectively provided with an observation window for observing the operation conditions of the low-voltage outlet end connector and the vertical bus in the first baffle plate or the second baffle plate.

Through adopting above-mentioned technical scheme, when the operation of low pressure generating line in the single baffle goes wrong or damages, the inconvenient problem of in time discovering of maintainer, through set up the observation window on the baffle, the condition in every baffle region can in time be observed to can in time avoid the potential safety hazard.

Preferably, the observation window is provided with a flame-retardant plate, and the flame-retardant plate is transparent.

By adopting the technical scheme, the flame-retardant plate is arranged on the observation window, the flame-retardant plate is transparent, the transparent plate has the function of blocking combustion, the on-site operation state can be conveniently observed, and when maintenance is needed, a maintainer can timely observe and measure temperature; during the temperature measurement, can see through fire-retardant board with wireless temperature measurement rifle and directly carry out the temperature measurement, the simple operation and high efficiency.

Preferably, the flame-retardant plate is fixed on the first baffle plate or the second baffle plate through self-tapping screws.

Through adopting above-mentioned technical scheme, self-tapping screw will be fire-retardant board and fix on baffle one and baffle two for fire-retardant board can be dismantled, and the installation rate is fast, saves installation time, improves the installation effectiveness, facilitates for the maintenance personal.

Preferably, the first left guard plate, the first right guard plate, the second left guard plate, the second right guard plate, the first baffle plate, the second baffle plate, the left partition plate in the cabinet and the functional drawer unit mounting plate in the cabinet are made of aluminum-coated zinc plates.

Through adopting above-mentioned technical scheme, with first left backplate, first right backplate, the left backplate of second, the right backplate of second, baffle one and baffle two, function drawer unit mounting panel sets up to covering the aluminium zinc board in left baffle in the cabinet and the cabinet, it compares with ordinary steel sheet to cover the aluminium zinc board, it has good corrosion resistance to cover aluminium zinc board itself, need not do the anticorrosive rust-resistant processing at the secondary, the technology link in the manufacturing process has been reduced, the product manufacturing cycle has been shortened, and the outward appearance of covering the aluminium zinc board is also very pleasing to the eye, the whole pleasing to the eye degree of product has been improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. this application is through leading-out terminal protection machanism and the female protection machanism that arranges perpendicularly behind the drawer functional unit that sets up in generating line functional area for female protection machanism of arranging perpendicularly can effectively protect the naked low-voltage bus that wears out from this region. The drawer function unit rear outlet end protection mechanism protects a low-voltage bus or a cable in a drawer function unit outlet end protection area, so that the effect of effectively isolating and protecting an electrified body inlet wire in a cabinet rear bus function area is achieved, and the safety of field maintenance personnel is improved;

2. the radiating holes are formed in the first baffle or the second baffle, so that the densely distributed low-voltage bus can effectively radiate heat, the running reliability is improved, the radiating holes are arranged in the shape of an inclined strip and uniformly formed in the surface of the baffle, the radiating efficiency can be improved, and the attractiveness and practicability can be improved;

3. this application is through having seted up an observation window on baffle one or baffle two, when perpendicular generating line operation in single baffle goes wrong or damages, the maintainer can in time observe the condition in every baffle one or the baffle two regions through the observation window to can in time avoid the potential safety hazard.

Drawings

Fig. 1 is a schematic structural diagram of a low-voltage cabinet with functional components hidden in the background art of the present application;

FIG. 2 is a schematic view of the installation structure of the low-voltage bus isolation protection assembly in the low-voltage cabinet in the embodiment of the application;

FIG. 3 is a schematic overall structure diagram of a low-voltage bus bar isolation protection assembly in an embodiment of the application;

FIG. 4 is a schematic structural diagram of a first baffle plate.

Reference numerals: 1. a low-voltage cabinet; 2. a left partition board in the cabinet; 3. functional drawer unit mounting plates in the cabinet; 4. a bus function area; 5. a drawer unit functional area; 6. a cable outlet functional area; 7. a first left guard plate; 8. a first right guard plate; 9. a first baffle plate; 10. a second left guard plate; 11. a second right guard plate; 12. heat dissipation holes; 13. an observation window; 14. a flame retardant sheet; 15. and a second baffle plate.

Detailed Description

The present application is described in further detail below with reference to figures 2-4.

The embodiment of the application discloses protection component is kept apart to low pressure generating line. Referring to fig. 2 and 3, the low-voltage bus isolation protection assembly includes a drawer function unit rear outlet end protection mechanism and a vertical bus bar protection mechanism which are arranged in the bus function area 4.

Drawer functional unit back leading-out terminal protection machanism includes that the cross-section is the first left backplate 7 of L shape, the cross-section is recess shape first right backplate 8 and a plurality of baffle 9, left baffle 2 passes through self-tapping screw fixed in first left backplate 7 and the cabinet, function drawer unit mounting panel 3 passes through self-tapping screw fixed in first right backplate 8 and the cabinet, 1 direction of height distribution along the low-voltage cabinet is followed to a plurality of baffles 9, and baffle 9 both sides are fixed through self-tapping screw with first left backplate 7 and first right backplate 8 respectively. Use self-tapping screw to dismantle the setting, it is fast to have an installation rate, improves the advantage of installation effectiveness, facilitates for the maintenance personal, and the leading-out terminal protection zone behind the drawer functional unit is enclosed into in first left backplate 7, first right backplate 8, the cabinet left baffle 2, the cabinet functional drawer unit mounting panel 3, baffle 9, and the leading-out terminal protection zone is rectangle behind the drawer functional unit.

The vertical busbar protection mechanism comprises a second left protection plate 10 with an L-shaped cross section, a second right protection plate 11 with a groove-shaped cross section and a plurality of first baffles 9, the second left protection plate 10 and the first right protection plate 8 are fixed through self-tapping screws, the second right protection plate 11 and the in-cabinet functional drawer unit mounting plate 3 are fixed through the self-tapping screws, the plurality of first baffles 9 are distributed along the 1 height direction of the low-voltage cabinet, the first baffles 9 are respectively fixed with the second left protection plate 10 and the second right protection plate 11 through the self-tapping screws, the second left protection plate 10, the second right protection plate 11, the first right protection plate 8, the in-cabinet functional drawer unit mounting plate 3 and the first baffles 9 surround a vertical busbar protection area, the vertical busbar protection area is rectangular, and the area of a rear outlet end protection area of the drawer functional unit is larger than the area of the vertical busbar protection area.

Referring to fig. 3, the first baffle 9 and the second baffle 15 are arranged in a plurality of manners, when a low-voltage bus or a cable in any drawer unit needs to be maintained, the first baffle 9 or the second baffle 15 corresponding to the height of the low-voltage bus or the cable can be detached independently, the damaged outlet bus or the cable of the drawer unit can be maintained independently, the maintenance efficiency can be improved, and the operation safety can be improved.

Referring to fig. 4, a plurality of heat dissipation holes 12 in the shape of a strip are formed in the surfaces of the first baffle 9 and the second baffle 15, the heat dissipation holes 12 in the shape of a strip are uniformly inclined and formed in the surfaces of the first baffle 9 and the second baffle 15, the heat dissipation holes 12 are formed, normal heat dissipation of vertical buses in each drawer unit can be guaranteed, normal operation of low-voltage buses is guaranteed, heat dissipation efficiency is improved, and attractive practicability is improved.

An observation window 13 is further formed in the surfaces of the first baffle 9 and the second baffle 15, and a transparent flame-retardant plate 14 is fixed on the observation window 13 through self-tapping screws so as to conveniently observe the outlet adaptor connector behind each drawer unit. The flame-retardant plate 14 is fixed on the protection plate through self-tapping screws, so that the disassembly and the assembly are convenient, the disassembly and the assembly are fast, and the time is saved. Through setting up fire-retardant board 14, have in time observe and make things convenient for the advantage of temperature measurement, during the temperature measurement, can directly laminate fire-retardant board 14 surfaces with wireless temperature measurement rifle and carry out the temperature measurement, simple operation and high efficiency.

The implementation principle of the low-voltage bus isolation protection component in the embodiment of the application is as follows: when the back door of the low-voltage cabinet 1 is manually opened, the back outlet end protection mechanism and the vertical bus bar protection mechanism of the drawer functional unit can be seen, and the running condition of a low-voltage bus, a cable or a vertical bus in the drawer functional unit can be observed from the transparent flame-retardant plate 14 on the first baffle 9 or the second baffle 15. Through setting up a plurality of baffles one 9, baffle two 15, when the low voltage bus or the cable emergence situation or damage in arbitrary drawer unit, conveniently maintain it alone, improve the security greatly.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A low-voltage bus isolation protection component is characterized by comprising a drawer function unit rear outlet end protection mechanism and a vertical bus bar protection mechanism which are arranged in a bus function area (4);

the drawer function unit rear leading-out terminal protection mechanism comprises a first left protection plate (7) with an L-shaped cross section, a first right protection plate (8) with a groove-shaped cross section and a first baffle plate (9), wherein the first left protection plate (7) is fixed with a left partition plate (2) in a cabinet, the first right protection plate (8) is fixed with a function drawer unit mounting plate (3) in the cabinet, the first baffle plate (9) is detachably connected with the first left protection plate (7) and the first right protection plate (8) respectively, and the first left protection plate (7), the first right protection plate (8), the left partition plate (2) in the cabinet, the function drawer unit mounting plate (3) in the cabinet and the first baffle plate (9) enclose a drawer function unit rear leading-out terminal protection area;

protection machanism is arranged to perpendicular generating line is the left backplate of second (10), the cross-section that the cross-section is L shape is fluted shape second right backplate (11) and baffle two (15) and constitutes, second left backplate (10) are fixed with first right backplate (8), second right backplate (11) are fixed with function drawer unit mounting panel (3) in the cabinet, baffle two (15) can be dismantled with second left backplate (10) and second right backplate (11) respectively and be connected, second left backplate (10), second right backplate (11), first right backplate (8), function drawer unit mounting panel (3) in the cabinet, baffle two (15) surround into perpendicular generating line and arrange protection area.

2. The low-voltage busbar isolation and protection assembly according to claim 1, wherein the first baffle plate (9) and the second baffle plate (15) are arranged in a plurality, and the first baffle plate (9) and the second baffle plate (15) are arranged along the height direction of the low-voltage cabinet (1).

3. The low-voltage bus bar isolation and protection assembly as claimed in claim 2, wherein a plurality of heat dissipation holes (12) are formed in the surfaces of the first baffle plate (9) and the second baffle plate (15).

4. The low-voltage bus bar isolation and protection assembly as claimed in claim 3, wherein the heat dissipation holes (12) are bar-shaped holes, and the bar-shaped holes are uniformly formed in the surface of the first baffle (9) or the second baffle (15).

5. The low-voltage bus isolation and protection assembly as claimed in claim 1, wherein the surfaces of the first baffle plate (9) and the second baffle plate (15) are respectively provided with an observation window (13) for observing the operation conditions of the low-voltage outlet end connector and the vertical bus in the first baffle plate (9) or the second baffle plate (15).

6. The low voltage busbar isolation and protection assembly according to claim 5, wherein a flame retardant plate (14) is arranged on the observation window (13), and the flame retardant plate (14) is transparent.

7. The low-voltage busbar isolation and protection assembly according to claim 6, wherein the flame retardant plate (14) is fixed to the first baffle plate (9) or the second baffle plate (15) by self-tapping screws.

8. The low-voltage bus isolation and protection assembly is characterized in that the first left guard plate (7), the first right guard plate (8), the second left guard plate (10), the second right guard plate (11), the first baffle plate (9), the second baffle plate (15), the left partition plate (2) in the cabinet and the functional drawer unit mounting plate (3) in the cabinet are made of aluminum-zinc-coated plates.