Switch cabinet

Abstract

The utility model discloses a switch cabinet. The switch cabinet comprises a side frame structure and a cross beam, the side frame structure comprises a side beam and a vertical beam, and the side beam is connected with the vertical beam; connecting structures are integrally formed at the two ends of the cross beam, the connecting structures are connected with the side frame structures, and the connecting structures extend along the surfaces of the side frame structures so as to increase the contact faces of the connecting structures and the side frame structures. According to the switch cabinet, the connecting structures are integrally formed at the two ends of the cross beam, and the connecting structures extend along the surfaces of the side frame structures, so that the fastening contact surfaces of the cross beam and the side frame structures are increased, the load performance of the overall frame of the switch cabinet is improved, the switch cabinet can be matched with switch equipment with different loads, and the adaptability is high; and meanwhile, the overall stability of the switch cabinet is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical engineering equipment, in particular to a switch cabinet. Background Art

[0002] A switch cabinet is an electrical device. Its main function is to switch on and off, control and protect electrical equipment during the processes of power generation, power transmission, power distribution and electric energy conversion in the power system. The components inside the switch cabinet mainly include circuit breakers, disconnectors, load switches, operating mechanisms, transformers and various protection devices, etc. There are many classification methods for switch cabinets. For example, they can be divided into withdrawable switch cabinets and fixed switch cabinets according to the installation method of the circuit breaker; or according to different cabinet structures, they can be divided into open switch cabinets, metal enclosed switch cabinets and metal enclosed armored switch cabinets; according to different voltage levels, they can be divided into high-voltage switch cabinets, medium-voltage switch cabinets and low-voltage switch cabinets, etc. Low-voltage switch cabinets are applicable to industries such as power plants, petroleum, chemical industry, metallurgy, textile, high-rise buildings, etc., and are used for power transmission, power distribution and electric energy conversion.

[0003] In the prior art, the switch cabinet is usually assembled by adding angle irons at the right-angle positions of the installation beams and fastening with screws. The switch cabinet with this assembly structure has certain limitations in the lateral load-bearing capacity and low overall stability. Summary of the Utility Model

[0004] The utility model aims to at least solve one of the technical problems existing in the prior art. For this purpose, the utility model provides a switch cabinet to solve the problem of limited lateral load-bearing capacity of the switch cabinet and improve the overall stability of the switch cabinet at the same time.

[0005] The switch cabinet according to an embodiment of the utility model includes a side frame structure and a cross beam. The side frame structure includes a side beam and a vertical beam, and the side beam is connected to the vertical beam; connection structures are integrally formed at both ends of the cross beam, and the connection structures are connected to the side frame structure. The connection structures extend along the surface of the side frame structure to increase the contact surface with the side frame structure.

[0006] The switch cabinet according to an embodiment of the utility model has at least the following beneficial effects: The cross beam of the switch cabinet of the utility model is integrally formed with connection structures at both ends, and the connection structures extend along the surface of the side frame structure, increasing the fastening contact surface between the cross beam and the side frame structure, improving the load performance of the overall frame of the switch cabinet, enabling the switch cabinet to match switch equipment with different loads and having strong adaptability, and improving the overall stability of the switch cabinet at the same time.

[0007] According to some embodiments of the present utility model, the cross beam includes a main body portion, the main body portion extends along the length direction of the cross beam, a first bending portion is provided on the upper side of the main body portion, a second bending portion is provided on the lower side of the main body portion, both the first bending portion and the second bending portion extend along the length direction of the cross beam, first connecting portions are formed by bending both ends of the first bending portion, second connecting portions are formed by bending both ends of the second bending portion, both the first connecting portion and the second connecting portion extend and are arranged along the surface of the side frame structure, and the first connecting portion and the second connecting portion constitute the connecting structure.

[0008] According to some embodiments of the present utility model, the width of the second bending portion is greater than the width of the first bending portion.

[0009] According to some embodiments of the present utility model, an avoidance notch is provided on the second connecting portion, and the first connecting portion is received in the avoidance notch.

[0010] According to some embodiments of the present utility model, a third bending portion is formed by bending the side of the second bending portion away from the main body portion, and the third bending portion extends upward along the height direction of the vertical beam.

[0011] According to some embodiments of the present utility model, a connecting member is provided between the third bending portion and the side beam, one side of the connecting member is fixedly connected to the third bending portion, and the other side of the connecting member is fixedly connected to the side beam.

[0012] According to some embodiments of the present utility model, a connecting member is provided between the first bending portion and the vertical beam, one side of the connecting member is fixedly connected to the first bending portion, and the other side of the connecting member is fixedly connected to the vertical beam.

[0013] According to some embodiments of the present utility model, a connecting member is provided between the side beam and the vertical beam, one side of the connecting member is fixedly connected to the side beam, and the other side of the connecting member is fixedly connected to the vertical beam.

[0014] According to some embodiments of the present utility model, a plurality of connecting holes are provided on the cross beam, the vertical beam and the side beam, and the plurality of connecting holes are arranged at intervals along the length direction of the corresponding cross beam, vertical beam or side beam.

[0015] According to some embodiments of the present utility model, the switch cabinet further includes side plates and a top plate, the side plates are installed on the side frame structure, the top plate is connected to the cross beam and the side frame structure, and ventilation holes are provided on the top plate and the side plates.

[0016] Additional aspects and advantages of the present utility model will be given in part in the following description, become apparent in part from the following description, or be learned through the practice of the present utility model. Description of the Drawings

[0017] The present utility model will be further described below in conjunction with the drawings and embodiments, where:

[0018] Figure 1 is a three-dimensional schematic diagram of a switch cabinet according to an embodiment of the present utility model;

[0019] Figure 2 is Figure 1 an enlarged view of part A in

[0020] Reference numerals in the drawings:

[0021] Switch cabinet 100, side plate 110, top plate 120, ventilation hole 130;

[0022] Side frame structure 200, side beam 210, vertical beam 220, connection hole 230;

[0023] Cross beam 300, main body part 310, first bending part 320, second bending part 330, third bending part 340, connecting member 350;

[0024] Connection structure 400, first connection part 410, second connection part 420, avoidance notch 421. Detailed Embodiment

[0025] Embodiments of the present utility model will be described in detail below. Examples of the embodiments are shown in the drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present utility model and should not be construed as a limitation of the present utility model.

[0026] In the description of the present utility model, it should be understood that for the orientation description, such as the orientation or positional relationship indicated by left, right, etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model.

[0027] In the description of the present utility model, if the first and second are described only for the purpose of distinguishing technical features, they should not be construed as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or implicitly indicating the sequence of the indicated technical features.

[0028] In the description of the present utility model, unless otherwise clearly defined, terms such as "set", "installed", "connected", etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present utility model in combination with the specific content of the technical solution.

[0029] Referring to Figure 1 , the switch cabinet 100 proposed in the embodiment of the present utility model includes side frame structures 200 and cross beams 300. There are two side frame structures 200, and the two side frame structures 200 are arranged opposite to each other. The side frame structure 200 includes side beams 210 and vertical beams 220. The vertical beams 220 are connected to the side beams 210 to form a frame structure. The cross beams 300 are arranged between the two side frame structures 200 and are respectively located at the bottom and top of the switch cabinet 100. The switch cabinet 100 is provided with side plates 110 and a top plate 120. The side plates 110 are installed on the side frame structures 200, and the top plate 120 is connected to the cross beams 300 and the side frame structures 200. Connection structures 400 are integrally formed at both ends of the cross beam 300 of the present utility model. The connection structures 400 extend along the surface of the side frame structure 200 to increase the contact surface with the side frame structure 200. The connection structures 400 are fixedly connected to the side frame structure 200 through fasteners such as screws and bolts.

[0030] The cross beam 300 adopted by the switch cabinet 100 of the present utility model has connection structures 400 integrally formed at both ends, and the connection structures 400 extend along the surface of the side frame structure 200, increasing the fastening contact surface between the cross beam 300 and the side frame structure 200, improving the load-bearing performance of the overall frame of the switch cabinet 100, enabling the switch cabinet 100 to match switch devices with different loads and having strong adaptability, and at the same time improving the overall stability of the switch cabinet 100.

[0031] Referring to Figure 1 、 Figure 2, in some embodiments, the cross beam 300 can be made of sheet metal. The cross beam 300 includes a main body portion 310 which extends along the length direction of the cross beam 300. A first bending portion 320 is provided on the upper side of the main body portion 310, and a second bending portion 330 is provided on the lower side of the main body portion 310. The first bending portion 320 and the second bending portion 330 are arranged oppositely, and both the first bending portion 320 and the second bending portion 330 extend along the length direction of the cross beam 300. Both ends of the first bending portion 320 are bent to form a first connecting portion 410. The width of the first connecting portion 410 corresponds to the width of the vertical beam 220. The first connecting portion 410 extends along the surface of the side frame structure 200. In other words, the surface of the first connecting portion 410 is parallel or substantially parallel to the surface of the side frame structure 200, so that when the first connecting portion 410 is connected to the side frame structure 200, there will be no gap at the connection between the first connecting portion 410 and the side frame structure 200. Both ends of the second bending portion 330 are bent to form a second connecting portion 420. The second connecting portion 420 extends along the surface of the side frame structure 200. In other words, the surface of the second connecting portion 420 is parallel or substantially parallel to the surface of the side frame structure 200, so that when the first connecting portion 410 is connected to the side frame structure 200, there will be no gap at the connection between the second connecting portion 420 and the side frame structure 200, ensuring the overall aesthetic appearance of the switch cabinet 100.

[0032] The first connecting portion 410 and the second connecting portion 420 form a connecting structure 400. The first connecting portion 410 abuts against the surface of the vertical beam 220 and is fixedly connected to the vertical beam 220 through fasteners. The second connecting portion 420 is located below the first connecting portion 410 and is fixedly connected to the side frame structure 200 through fasteners. By providing the first connecting portion 410 at both ends of the first bending portion 320 and the second connecting portion 420 at both ends of the second bending portion 330, the contact surface between the cross beam 300 and the side frame structure 200 is increased, the connection stability between the cross beam 300 and the side frame structure 200 is improved, the stability of the switch cabinet 100 is correspondingly improved, and the load performance of the switch cabinet 100 is enhanced. Moreover, the main body portion 310, the first bending portion 320, the second bending portion 330, the first connecting portion 410 and the second connecting portion 420 constituting the cross beam 300 are formed by folding the whole sheet metal, and the manufacturing process is convenient for processing.

[0033] Refer to Figure 2, in some embodiments, the first connecting portion 410 and the second connecting portion 420 extend towards the inner side of the cabinet of the switchgear cabinet 100. The width of the second bending portion 330 is greater than that of the first bending portion 320, and the width of the second connecting portion 420 is greater than that of the first connecting portion 410. The first connecting portion 410 is connected to the vertical beam 220. In addition to being connected to the vertical beam 220, the second connecting portion 420 is also connected to the side beam 210 of the side frame structure 200. By appropriately increasing the widths of the second bending portion 330 and the second connecting portion 420, the contact surface between the cross beam 300 and the side frame structure 200 can be further increased, the connection stability between the cross beam 300 and the side frame structure 200 can be improved, the stability of the switchgear cabinet 100 can be correspondingly improved, and the load performance of the switchgear cabinet 100 can be enhanced.

[0034] Referring to Figure 2 , in some embodiments, the second connecting portion 420 is provided with an avoidance notch 421, the first connecting portion 410 is received in the avoidance notch 421, the connecting surfaces of the first connecting portion 410 and the second connecting portion 420 are substantially in the same plane, and the connection between the first connecting portion 410 or the second connecting portion 420 and the side frame structure 200 is flat without large gaps, so that the connection between the connection structure 400 and the side frame structure 200 is firm.

[0035] Referring to Figure 2 , in some embodiments, a third bending portion 340 is formed by bending the side of the second bending portion 330 away from the main body portion. The third bending portion 340 extends upward along the height direction of the vertical beam 220, and the third bending portion 340 is used for connecting with the side beam 210 of the side frame structure 200.

[0036] It can be understood that in addition to being connected to the side frame structure 200 through the connection structure 400, the cross beam 300 and the side frame structure 200 are also connected through a connecting member 350 (such as an angle iron).

[0037] Specifically, in some embodiments, a connecting member 350 (such as an angle iron) is provided between the third bending portion 340 and the side beam 210. One side of the connecting member 350 is fixedly connected to the third bending portion 340 through a fastener, and the other side of the connecting member 350 is fixedly connected to the side beam 210 through a fastener. A connecting member 350 (such as an angle iron) is provided between the first bending portion 320 and the vertical beam 220. One side of the connecting member 350 is fixedly connected to the first bending portion 320 through a fastener, and the other side of the connecting member 350 is fixedly connected to the vertical beam 220 through a fastener. A connecting member 350 (such as an angle iron) is provided between the side beam 210 and the vertical beam 220. One side of the connecting member 350 is fixedly connected to the side beam 210 through a fastener, and the other side of the connecting member 350 is fixedly connected to the vertical beam 220 through a fastener. It should be noted that the fasteners can be screws, bolts, etc., which are not limited herein.

[0038] Refer to Figure 1 、 Figure 2 In some embodiments, the cross beam 300, the vertical beam 220 and the side beam 210 are all provided with a plurality of connecting holes 230. The plurality of connecting holes 230 are arranged at intervals along the length direction of the corresponding cross beam 300, vertical beam 220 or side beam 210. Circuit breakers, disconnectors, load switches, operating mechanisms, instrument transformers and various protection devices of the switchgear 100 can be assembled into the switchgear 100 through the connecting members 350 passing through the connecting holes 230.

[0039] Refer to Figure 1 In some embodiments, the top plate 120 and the side plate 110 are provided with ventilation holes 130. Heat generated by electrical components in the switchgear 100 can be dissipated through the ventilation holes 130, so as to prevent heat accumulation in the switchgear 100, reduce the temperature rise in the switchgear 100, and improve the safety performance of the switchgear 100.

[0040] The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope recorded in this specification.

[0041] Certainly, the present invention is not limited to the above embodiments. Those skilled in the art can also make equivalent deformations or substitutions without departing from the spirit of the present invention. These equivalent deformations or substitutions are all included in the scope defined by the claims of this application.

Claims

1. A switch cabinet, characterized in that: include: A side frame structure, the side frame structure comprising a side beam and a vertical beam, the side beam being connected to the vertical beam; A crossbeam, wherein both ends of the crossbeam are integrally formed with connecting structures, wherein the connecting structures are connected to the side frame structures, and wherein the connecting structures are extended along the surface of the side frame structures to increase the contact surface with the side frame structures.

2. The switch cabinet according to claim 1, characterized in that: The crossbeam includes a main body portion, which extends along the length direction of the crossbeam. A first bending portion is provided on the upper side of the main body portion, and a second bending portion is provided on the lower side of the main body portion. The first bending portion and the second bending portion both extend along the length direction of the crossbeam. Both ends of the first bending portion are bent to form a first connecting portion, and both ends of the second bending portion are bent to form a second connecting portion. The first connecting portion and the second connecting portion both extend along the surface of the side frame structure, and the first connecting portion and the second connecting portion constitute the connecting structure.

3. The switch cabinet according to claim 2, characterized in that: The width of the second bending portion is greater than the width of the first bending portion.

4. The switch cabinet according to claim 3, characterized in that: The second connecting portion is provided with an avoidance notch, and the first connecting portion is accommodated in the avoidance notch.

5. The switch cabinet according to claim 2, 3 or 4, characterized in that: The second bent portion is bent at one side away from the main body portion to form a third bent portion, and the third bent portion is extended upward along the height direction of the vertical beam.

6. The switch cabinet according to claim 5, characterized in that: A connecting piece is provided between the third bending portion and the side beam, one side of the connecting piece is fixedly connected to the third bending portion, and the other side of the connecting piece is fixedly connected to the side beam.

7. The switch cabinet according to claim 2, 3 or 4, characterized in that: A connecting piece is provided between the first bending portion and the vertical beam, one side of the connecting piece is fixedly connected to the first bending portion, and the other side of the connecting piece is fixedly connected to the vertical beam.

8. The switch cabinet according to claim 1, characterized in that: A connecting piece is provided between the side beam and the vertical beam, one side of the connecting piece is fixedly connected to the side beam, and the other side of the connecting piece is fixedly connected to the vertical beam.

9. The switch cabinet according to claim 1, characterized in that: The cross beam, the vertical beam and the side beam are all provided with a plurality of connection holes, and the plurality of connection holes are arranged at intervals along the length direction of the corresponding cross beam, the vertical beam or the side beam.

10. The switch cabinet according to claim 1, characterized in that: The switch cabinet further comprises side panels and a top panel, wherein the side panels are mounted on the side frame structure, the top panel is connected to the cross beam and the side frame structure, and the top panel and the side panels are provided with ventilation holes.

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