Novel low-voltage switch cabinet frame structure

Abstract

The utility model relates to the technical field of low-voltage switch cabinet frame structures, in particular to a novel low-voltage switch cabinet frame structure which comprises cabinet body side plates, stand columns, bottom cross beams, element mounting plates, bus partition plates and top cross beams. The two groups of top cross beams are respectively connected with the bottom cross beams through the vertical columns to form a three-dimensional frame, the top of the three-dimensional frame is provided with a bus partition plate, and the left side is provided with a cabinet body side plate; the bus partition plate comprises a partition plate body, a U-shaped channel, a heat dissipation window and a primary mounting plate; the partition plate body is fixed to a stand column and a cabinet body side plate and connected with a top cross beam through a U-shaped channel. A plurality of groups of heat dissipation windows are arranged on the surfaces of the partition plate body and the U-shaped channel; a primary mounting plate is connected to the rear side of the bottom surface of the partition plate body; and an element mounting plate is arranged in the middle of the bottom. Through structural innovation and function optimization, the problems of stability, heat dissipation, maintainability and the like of a traditional frame are solved, and reliable guarantee is provided for efficient and safe operation of the low-voltage switch cabinet.

Description

TECHNICAL FIELD

[0001] The utility model relates to low voltage switchgear frame structure technical field especially a novel low voltage switchgear frame structure. BACKGROUND

[0002] As the core equipment of power distribution and control, the frame structure design of low voltage switchgear directly affects the stability, safety and operation and maintenance efficiency of the equipment. The traditional low voltage switchgear frame is usually composed of basic components such as columns, beams, side plates, connected by bolts or welding, forming a support main body. The main functional components (such as component mounting plate, busbar partition plate) are mainly installed by fixed installation, supplemented by simple heat dissipation structure (such as heat dissipation hole or fan) to realize basic heat dissipation. In the prior art, the frame design mainly focuses on basic bearing and electrical isolation, and the degree of structural modularization is limited, and there is optimization space for key performances such as heat dissipation, expansion and installation flexibility.

[0003] The problems existing in the prior art are as follows:

[0004] The structural stability is insufficient, the traditional frame relies on single beam or column support, lacks the cooperative design of intermediate beam and bottom reinforcing support, is easy to cause the deformation of cabinet under long-term load or vibration environment, and affects the service life of the equipment.

[0005] The heat dissipation efficiency is low, the heat dissipation window layout is unreasonable or insufficient, and the ventilation path is narrow (such as lacking U-shaped channel to guide airflow), which causes heat accumulation and aggravates the aging risk of components;

[0006] The installation and maintenance are inconvenient, the fixed mode of component mounting plate is rigid, the integration degree of busbar partition plate and primary mounting plate is low, and the disassembly and assembly are complicated, increasing the operation and maintenance cost;

[0007] The bottom bearing is weak, the bottom beam and foundation connection mode are single, lack the distributed support of reinforcing support, and long-term bearing is easy to cause structural deformation or even fracture. Utility model content

[0008] In order to overcome the existing defects, the utility model provides a novel low voltage switchgear frame structure.

[0009] The utility model discloses a novel low-voltage switch cabinet frame structure, including cabinet side plate, stand, bottom crossbeam, component mounting plate, busbar partition and top crossbeam, the top crossbeam is equipped with two groups, is connected bottom crossbeam through stand and forms the three-dimensional frame respectively, wherein, the three-dimensional frame top is equipped with busbar partition, and the left side is equipped with cabinet side plate, the busbar partition includes partition body, U type channel, heat dissipation window and primary mounting plate, the partition body is fixed on stand and cabinet side plate, is connected top crossbeam through U type channel, the partition body, U type channel surface is equipped with a plurality of groups heat dissipation window, the partition body bottom surface rear side is connected with primary mounting plate, and the bottom middle part is equipped with component mounting plate.

[0010] According to another embodiment of the utility model, further include, the left between two groups of stand is equipped with a plurality of parallel middle crossbeam.

[0011] According to another embodiment of the utility model, further include, two groups of bottom crossbeam middle part is equipped with the bottom reinforcing support perpendicular to it.

[0012] According to another embodiment of the utility model, further include, the bottom reinforcing support middle part is fixed with component mounting plate between partition body.

[0013] According to another embodiment of the utility model, further include, the partition body front side is equipped with front support beam between bottom crossbeam.

[0014] According to another embodiment of the utility model, further include, the cabinet side plate bottom is equipped with threading hole.

[0015] The utility model discloses the beneficial effects of:

[0016] Enhance structural stability, adopt the three-dimensional connection design of multilevel crossbeam (middle crossbeam, top crossbeam) and stand, combine bottom reinforcing support, significantly improve the rigidity and anti-vibration performance of frame, ensure long-term stable operation;

[0017] Optimize the heat dissipation efficiency, integrate U type channel and directional heat dissipation window, form high-efficiency airflow path, realize the partition heat dissipation of busbar area and component area, reduce temperature rise by more than 20%, prolong equipment service life;

[0018] 3, improve installation flexibility, and component mounting plate adopts adjustable design of guide rail type, supports quick positioning and height adjustment, and busbar partition and primary mounting plate are modularly integrated, simplify dismounting process, and operation and maintenance efficiency is improved by 30%;

[0019] 4, bottom bearing upgrade, bottom crossbeam and reinforcing support adopt composite connection process, combine distributed foundation bolt fixation, and bearing capacity is improved by 40%, effectively avoid the risk of deformation. DRAWINGS

[0020] The utility model is further illustrated below in combination with the drawings and examples.

[0021] Figure 1 It is the structure schematic diagram of the utility model;

[0022] Figure 2 It is the front view of the utility model;

[0023] Figure 3 It is the side view of the utility model.

[0024] In the drawing, 1 is cabinet side plate, 1-1 is threading hole, 2 is stand, 3 is middle crossbeam, 4 is bottom crossbeam, 5 is bottom reinforcing support, 6 is element mounting plate, 7 is busbar partition, 7-1 is heat dissipation window, 7-2 is U-shaped channel, 7-3 is disposable mounting plate, 7-4 is partition body, 8 is front support beam, 9 is top crossbeam. DETAILED DESCRIPTION

[0025] As Figure 1 It is the structure schematic diagram of the utility model, a novel low-voltage switchgear frame structure, its characterized in that, including cabinet side plate 1, stand 2, bottom crossbeam 4, element mounting plate 6, busbar partition 7 and top crossbeam 9;The top crossbeam 9 is equipped with two groups, is connected bottom crossbeam 4 through stand 2 respectively and forms three-dimensional frame, wherein, three-dimensional frame top is equipped with busbar partition 7, left side is equipped with cabinet side plate 1;The busbar partition 7 includes partition body 7-4, U-shaped channel 7-2, heat dissipation window 7-1 and disposable mounting plate 7-3;Partition body 7-4 is fixed on stand 2 and cabinet side plate 1, is connected top crossbeam 9 through U-shaped channel 7-2;Partition body 7-4, U-shaped channel 7-2 surface is equipped with a plurality of groups heat dissipation window 7-1;Partition body 7-4 bottom surface rear side is connected with disposable mounting plate 7-3, and bottom middle is equipped with element mounting plate 6.

[0026] Specifically, the cabinet side plate 1 constitutes the left and right side main body structure of the switch cabinet, provides overall support and protection, and is usually connected with columns, cross beams and the like to form a frame; the column 2 is a vertical support component, is located at the four corners or key positions of the cabinet body, is connected with the cross beam to form a longitudinal support structure of the frame; the bottom cross beam 4 is located at the bottom of the cabinet body, is connected with the column and the bottom reinforcing support 5, supports the weight of the cabinet body and is fixed to the ground; the component mounting plate 6 is used for mounting electrical components such as circuit breakers and contactors, is fixed on the cabinet side plate or the cross beam, and needs to reserve an opening for wiring; the heat dissipation window 7-1 in the busbar partition wall 7 provides a ventilation and heat dissipation function, is installed on the side of the partition wall body 7-4 and connected with the top cross beam 9 or installed on the top of the partition wall body 7-4, the U-shaped channel 7-2 is used for wiring and isolation of the busbar, provides electrical insulation and mechanical protection, and the primary mounting plate 7-3 fixes the primary circuit busbar or cable joint and is designed in an integrated manner with the busbar partition wall.

[0027] According to another embodiment of the utility model, further include, between the two groups of columns 2 on the left side, there are several groups of parallel intermediate cross beams 3.

[0028] According to another embodiment of the utility model, further include, two groups of bottom cross beams 4 are provided with bottom reinforcing supports 5 which are perpendicular to the bottom cross beams 4, the bottom reinforcing supports 5 reinforce the bottom cross beams 4, enhance the bearing capacity of the bottom of the cabinet body, and are usually used in cooperation with ground fixing members.

[0029] According to another embodiment of the utility model, further include, the component mounting plate 6 is fixed between the bottom reinforcing support 5 and the partition wall body 7-4.

[0030] According to another embodiment of the utility model, further include, the front support beam 8 is arranged between the front side of the partition wall body 7-4 and the bottom cross beam 4.

[0031] According to another embodiment of the utility model, further include, the cabinet side plate 1 is provided with a threading hole 1-1 at the bottom.

[0032] Specific operation process, first, the main frame is built, two groups of bottom cross beams 4 are placed on the foundation embedded part in parallel, the interval is adjusted to the design size, is calibrated with a level, the bottom reinforcing support 5 is installed between the cross beams, is fixed with a bolt, the verticality of the support and the cross beam is ensured, the column 2 is vertically erected at the four corners of the bottom cross beam, is temporarily fixed with a bolt, and the verticality is calibrated, the intermediate cross beam 2 is installed between the columns 2 on the right side, is horizontally connected with the middle part of the columns on the two sides, and the frame stability is checked after being tightly fastened with a bolt, the cabinet side plate 1 is installed between the columns 2 on the left side, and the top cross beam 9 is installed at the top and connected with the top end of the column 2, to form a complete frame structure, and the overall levelness and verticality are calibrated again.

[0033] Secondly, install functional components, install element mounting plate 6 inside the frame, adopt guide rail type design and need to adjust to specified height and lock bolt, top embedded busbar partition plate 7.

[0034] Finally, install auxiliary components, install front frame support beam 8, for fixing cabinet door or operating panel.

[0035] The above description is only illustrative for the utility model, and is not restrictive, and the person skilled in the art understands that many modifications, changes or equivalents can be made without departing from the spirit and scope defined by the appended claims, and all will fall within the protection scope of the utility model.

Claims

1. A novel low voltage switchgear frame structure, characterized in that, It includes cabinet side plate (1), stand (2), bottom beam (4), element mounting plate (6), busbar partition (7) and top beam (9); The top beam (9) is equipped with two groups, is connected to the bottom beam (4) through stand (2) respectively and forms a three-dimensional frame, wherein, the three-dimensional frame top is provided with busbar partition (7), and the left side is provided with cabinet side plate (1); The busbar partition (7) includes partition body (7-4), U-shaped channel (7-2), heat dissipation window (7-1) and primary mounting plate (7-3); The partition body (7-4) is fixed on stand (2) and cabinet side plate (1), is connected to top beam (9) through U-shaped channel (7-2); The surface of partition body (7-4) and U-shaped channel (7-2) is equipped with several groups of heat dissipation window (7-1); The partition body (7-4) bottom rear side is connected with primary mounting plate (7-3), and the bottom middle is provided with element mounting plate (6).

2. The novel low voltage switchgear frame structure according to claim 1, characterized in that, Between the two groups of left side stand (2), a plurality of parallel intermediate cross beams (3) are arranged.

3. The novel low voltage switchgear frame structure according to claim 1, characterized in that, Two groups of bottom beams (4) are provided with bottom reinforcing supports (5) perpendicular thereto.

4. The novel low voltage switchgear frame structure according to claim 3, characterized in that, The bottom reinforcing support (5) is fixed with the element mounting plate (6) between the middle and the partition body (7-4).

5. The novel low voltage switchgear frame structure according to claim 1, characterized in that, The front support beam (8) is arranged between the front side of the partition body (7-4) and the bottom beam (4).

6. The novel low voltage switchgear frame structure according to claim 1, characterized in that, The bottom of the cabinet side plate (1) is provided with a threading hole (1-1).

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