CN112582934A

CN112582934A - Back heat dissipation drawer type low-voltage switchgear

Info

Publication number: CN112582934A
Application number: CN202011395748.8A
Authority: CN
Inventors: 张健; 孙巍; 朱学成; 张德文; 张朋
Original assignee: Electric Power Research Institute of State Grid Heilongjiang Electric Power Co Ltd; State Grid Corp of China SGCC
Current assignee: Electric Power Research Institute of State Grid Heilongjiang Electric Power Co Ltd; State Grid Corp of China SGCC
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-03-30

Abstract

A back heat dissipation drawer type low-voltage switch cabinet relates to a back heat dissipation drawer type low voltage switch cabinet. The invention aims to solve the problem of poor heat dissipation effect inside the cabinet of the existing switch cabinet. Including a cabinet body and a cabinet door, the cabinet body is provided with a plurality of L-shaped mounting plates, the left and right inner walls of the cabinet body are fixedly connected with a plurality of evenly distributed chutes, and the cabinet body is connected to the L-shaped through the chutes. The L-shaped mounting plate is slidably connected, the upper surface of the horizontal part of the L-shaped mounting plate is fixedly connected with a fixed pipe, the upper end side wall of the fixed pipe is threadedly connected with a limit bolt through a threaded hole, and the lower end of the limit bolt is connected by a rolling bearing. There is a splint, and the interior of the cabinet is provided with a back heat dissipation component. The present invention is easy to operate, can facilitate the maintenance and replacement of the electrical switches on the installation board, speed up the maintenance, and can also dissipate heat inside the box body, and can also wind up the redundant wires to prevent the wires from breaking.

Description

Back heat dissipation drawer type low-voltage switchgear

Technical Field

The invention relates to a drawer type low-voltage switch cabinet with a back radiating function.

Background

The main function of the switch cabinet is to open, 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, the components in the switch cabinet mainly comprise a breaker, an isolating switch, a load switch, an operating mechanism, a mutual inductor, various protection devices and the like, and because the internal electric appliances and circuits are more, a certain time is spent for troubleshooting during inspection and maintenance.

Among the prior art, when traditional drawer cubical switchboard pull, make the wire fracture easily, and the technician also can not easily find the wire that corresponds when the maintenance, maintenance speed is also slow, and cabinet body the inside is circuit breaker and some switches more moreover, if not dispel the heat to cabinet body inside, leads to circuit breaker and some switches to damage because the high temperature very easily moreover. The bottom of the existing heat dissipation is generally adopted to set a fan to cool the cabinet body, but the wind power of the existing heat dissipation can only play a role in heat dissipation at the bottom of the cabinet body, so that the area of the top cannot be reached, and the heat dissipation effect is poor.

Disclosure of Invention

The invention provides a drawer type low-voltage switch cabinet with a back heat dissipation function, which aims to solve the problem of poor heat dissipation effect in the cabinet body of the existing switch cabinet.

In order to achieve the purpose, the invention adopts the following technical scheme:

a drawer type low-voltage switch cabinet with a back radiating function comprises a cabinet body and a cabinet door, wherein a plurality of L-shaped mounting plates are arranged in the cabinet body, the inner walls of the left side and the right side of the cabinet body are fixedly connected with a plurality of evenly distributed chutes, the cabinet body is connected with the L-shaped mounting plate in a sliding way through the chutes, the upper surface of the horizontal part of the L-shaped mounting plate is fixedly connected with a fixed pipe, the side wall of the upper end of the fixed pipe is connected with a limit bolt through a threaded hole, the lower end of the limit bolt is rotatably connected with a clamping plate through a rolling bearing, the front side wall of the cabinet body is provided with an opening, a plurality of wire-rewinding devices are fixedly connected with the side wall of one side of the cabinet body far away from the opening, the plurality of wire-rewinding devices correspond to the horizontal part of the L-shaped mounting plate, a protection plate is fixedly connected to the lower end of the inner edge of the opening of the cabinet body, the protection plate is provided with a vent, and the side wall of one side of the protection plate is fixedly connected with a dust screen; the inside of the cabinet body is provided with back radiator unit, back radiator unit includes air intake, two risers, upper portion communicating pipe, lower part communicating pipe and air exit, one end of air intake is passed the cabinet body and is kept away from one side lateral wall of opening part and link to each other with the fan, the other end of air intake is linked together with the intermediate position of lower part communicating pipe, the both ends of lower part communicating pipe are linked together with the bottom of two risers respectively, the both ends of upper portion communicating pipe are linked together with the top of two risers respectively, upper portion communicating pipe links to each other with the one end of air exit, the other end of air exit passes cabinet body top is linked together with the external world, the outer wall equipartition of.

Preferably, the horizontal part left end of L type mounting panel is seted up flutedly, be equipped with the spring in the recess, one end of spring and one side lateral wall fixed connection of recess, the other end fixedly connected with inserted bar of spring, the one end of inserted bar extends to the inside of spout, one side lateral wall of spout seted up with inserted bar matched with slot, the rectangular hole has been seted up to the lateral wall of recess, sliding connection has the T shape to reset the board in the rectangular hole, T shape resets board and inserted bar fixed connection.

Preferably, a handle is fixedly connected to the side wall of the vertical part of the L-shaped mounting plate.

Preferably, the left side wall and the right side wall of the cabinet body are fixedly connected with a plurality of limiting blocks corresponding to the vertical parts of the L-shaped mounting plates.

Preferably, the opening edge of the cabinet body is hinged with a cabinet door through a hinge.

The invention has the beneficial effects that:

1. this back heat dissipation drawer type low-voltage switchgear, through setting up the slider on L type mounting panel, with the board that resets of hand slip T shape, the board that resets of T shape drives the inserted bar, the inserted bar removes the extrusion spring, the spring shrink makes inserted bar and slot separation, the spring gives a reverse power of inserted bar simultaneously, can realize the position of fixed L type mounting panel, prevent that L type mounting panel from taking place to slide, through setting up the spout at the internal portion of cabinet, can conveniently slide L type mounting panel, and conveniently overhaul and change the electrical apparatus switch on the mounting panel, also make the power workman safer when the maintenance simultaneously, the speed of maintenance has been accelerated.

2. This back heat dissipation drawer type low-voltage switchgear, through setting up the spacing bolt on fixed pipe, twist manual spacing bolt with the hand, spacing bolt can drive splint and remove, splint remove can press from both sides tight wire, through setting up the winder at the internal portion of cabinet, can realize coiling unnecessary wire, the wire fracture when preventing the pull, and make things convenient for pull L type mounting panel, also prevent simultaneously that the wire is too mixed and disorderly and cause the short circuit, through the back radiator unit who is equipped with, can wholly dispel the heat to the internal portion of cabinet, prevent to damage because the high temperature, cause inconvenience for the user.

Drawings

Fig. 1 is a schematic structural view of a back-heat-dissipation drawer-type low-voltage switch cabinet according to the present invention;

fig. 2 is a left side view of a back-heat-dissipation drawer-type low-voltage switchgear according to the present invention;

fig. 3 is a schematic structural diagram of a portion a of a drawer-type low-voltage switch cabinet with a back heat dissipation according to the present invention;

fig. 4 is a schematic structural diagram of a back heat dissipation assembly.

In the figure: 1 cabinet door, 2 hinges, 3 second vent holes, 4 handles, 5L-shaped mounting plates, 6 limiting blocks, 7 sliding grooves, 8 cabinets, 9 protection plates, 10 dust screens, 11 wire collectors, 12 fixing pipes, 13 limiting bolts, 14 air inlets, 15 air outlets, 16 grooves, 17T-shaped reset plates, 18 rectangular holes, 19 insertion rods, 20 springs, vertical pipes 21, upper communicating pipes 22 and lower communicating pipes 23.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, a drawer type low-voltage switch cabinet with back heat dissipation comprises a cabinet body 8 and a cabinet door 1, wherein a plurality of L-shaped mounting plates 5 are arranged in the cabinet body 1, a plurality of sliding grooves 7 which are uniformly distributed are fixedly connected to the inner walls of the left side and the right side of the cabinet body 8, the cabinet body 8 is in sliding connection with the L-shaped mounting plates 5 through the sliding grooves 7, a fixed pipe 12 is fixedly connected to the upper surface of the horizontal part of the L-shaped mounting plates 5, a limit bolt 13 is connected to the side wall of the upper end of the fixed pipe 12 through a threaded hole and a threaded hole, the lower end of the limit bolt 13 is rotatably connected with a clamping plate through a rolling bearing, an opening is formed in the front side wall of the cabinet body 8, a plurality of wire collectors 11 are fixedly connected to the side wall of the cabinet body 8 far away from the, the protection plate 9 is provided with a vent, the side wall of one side of the protection plate 9 is fixedly connected with a dust screen 10, a back heat radiation component is arranged inside the cabinet body 8, the back heat radiation component comprises an air inlet 14, two vertical pipes 21, an upper communicating pipe 22, a lower communicating pipe 23 and an air outlet 15, one end of the air inlet 14 penetrates through the side wall of the cabinet body 8 far away from the opening and is connected with the fan, the other end of the air inlet 14 is communicated with the middle position of a lower communicating pipe 23, the two ends of the lower communicating pipe 23 are respectively communicated with the bottoms of two stand pipes 21, two ends of the upper communicating pipe 22 are respectively communicated with the tops of the two stand pipes 21, the upper communicating pipe 22 is connected with one end of the air outlet 15, the other end of the air outlet 15 penetrates through the top of the cabinet body 8 and is communicated with the outside, and air outlets are uniformly distributed on the outer walls of the two vertical pipes 21.

Recess 16 is seted up to L type mounting panel 5's horizontal part left end, be equipped with spring 20 in the recess 16, spring 20's one end and one side lateral wall fixed connection of recess 16, spring 20's other end fixedly connected with inserted bar 19, inserted bar 19's one end extends to the inside of spout 7, the slot with 19 matched with of inserted bar is seted up to one side lateral wall of spout 7, rectangular hole 18 has been seted up to recess 16's lateral wall, sliding connection has T shape reset plate 17 in the rectangular hole 18, T

shape reset plate

17 and 19 fixed connection of inserted bar, conveniently fix L type mounting panel 5, the vertical portion lateral wall fixedly connected with handle 4 of L type mounting panel 5, make things convenient for pull L type mounting panel 5, the lateral wall fixedly connected with a plurality of stoppers 6 that correspond with the vertical portion of L type mounting panel 5 about cabinet body 8, can restrict L type mounting panel 5's position, cabinet body 8's opening border department articulates through.

In the invention, when the cabinet door 1 is opened, the T-shaped reset plate 17 is slid by hand, the T-shaped reset plate 17 drives the inserted link 19 to move, the inserted link 19 moves to extrude the spring 20, the spring 20 is stressed to contract, the inserted link 19 is separated from the slot by the contraction of the spring 20, the L-shaped mounting plate 5 can be conveniently fixed, the limiting bolt 13 is screwed by hand, the limiting bolt 13 moves to drive the clamping plate to move, a lead can be clamped, and the lead is prevented from being broken when the L-shaped mounting plate 5 is pulled and pulled.

Claims

1. A drawer type low-voltage switch cabinet with a back heat dissipation function comprises a cabinet body (8) and a cabinet door (1), wherein a plurality of L-shaped mounting plates (5) are arranged in the cabinet body (1), a plurality of sliding grooves (7) which are uniformly distributed are fixedly connected to the inner walls of the left side and the right side of the cabinet body (8), the cabinet body (8) is in sliding connection with the L-shaped mounting plates (5) through the sliding grooves (7), a fixing pipe (12) is fixedly connected to the upper surface of the horizontal part of the L-shaped mounting plates (5), the side wall of the upper end of the fixing pipe (12) is in threaded connection with a limiting bolt (13) through a threaded hole, the lower end of the limiting bolt (13) is in rotating connection with a clamping plate through a rolling bearing, an opening is formed in the front side wall of the cabinet body (8), a plurality of wire collectors (11) are fixedly connected to the side wall of the cabinet body, the improved multifunctional wardrobe is characterized in that a protection plate (9) is fixedly connected to the inner side of an opening of the wardrobe body (8) along the lower end, a vent is formed in the protection plate (9), a dust screen (10) is fixedly connected to one side wall of the protection plate (9), a back heat dissipation assembly is arranged inside the wardrobe body (8), the back heat dissipation assembly comprises an air inlet (14), two stand pipes (21), an upper communication pipe (22), a lower communication pipe (23) and an air outlet (15), one end of the air inlet (14) penetrates through the side wall of the wardrobe body (8) far away from the opening to be connected with a fan, the other end of the air inlet (14) is communicated with the middle position of the lower communication pipe (23), the two ends of the lower communication pipe (23) are respectively communicated with the bottoms of the two stand pipes (21), the two ends of the upper communication pipe (22) are respectively, the upper communicating pipe (22) is connected with one end of the air outlet (15), the other end of the air outlet (15) penetrates through the top of the cabinet body (8) to be communicated with the outside, and air outlets are uniformly distributed on the outer walls of the two vertical pipes (21).

2. The back heat dissipation drawer type low-voltage switch cabinet as claimed in claim 1, wherein a groove (16) is formed in the left end of the horizontal portion of the L-shaped mounting plate (5), a spring (20) is arranged in the groove (16), one end of the spring (20) is fixedly connected with a side wall of one side of the groove (16), an insertion rod (19) is fixedly connected with the other end of the spring (20), one end of the insertion rod (19) extends into the sliding groove (7), a slot matched with the insertion rod (19) is formed in a side wall of one side of the sliding groove (7), a rectangular hole (18) is formed in a side wall of the groove (16), a T-shaped reset plate (17) is slidably connected in the rectangular hole (18), and the T-shaped reset plate (17) is fixedly connected with the insertion rod (19).

3. The low-voltage switchgear cabinet with back heat dissipation function as claimed in claim 1, wherein the handle (4) is fixedly connected to the side wall of the vertical portion of the L-shaped mounting plate (5).

4. The back heat dissipation drawer type low-voltage switch cabinet as claimed in claim 1, wherein a plurality of limiting blocks (6) corresponding to the vertical portion of the L-shaped mounting plate (5) are fixedly connected to the left and right side walls of the cabinet body (8).

5. The back-radiating drawer type low-voltage switchgear cabinet as claimed in claim 1, wherein the cabinet door (1) is hinged at the opening edge of the cabinet body (8) by a hinge (2).