Assembly structure of low-voltage cabinet

Abstract

The utility model belongs to the technical field of low-voltage cabinets, and particularly relates to an assembly structure of a low-voltage cabinet, which comprises a cabinet body, transverse frames and vertical frames are fixed on the inner edge of the cabinet body, the cabinet body is divided into a plurality of assembly spaces by the plurality of transverse frames, joists are fixed on the transverse frames, U-shaped bottom plate guide rails are arranged on the joists, and the distance between the U-shaped bottom plate guide rails is 0.5 cm larger than the width of an SVG and the width of an APF, so that equipment installation is facilitated. According to the utility model, through the vertical layout, the space of the cabinet body is effectively utilized, compared with the traditional flat assembly mode, the installation number of SVG and APF equipment is obviously increased, the large-scale electric energy quality treatment requirement is met, and the installation cost is reduced. And the unique design of the bottom plate guide rail simplifies the assembly process, an operator only needs to push the equipment along the guide rail to complete positioning, the assembly efficiency is improved, and powerful support is provided for efficient application of the low-voltage cabinet in an electric power system.

Description

TECHNICAL FIELD

[0001] The utility model belongs to low voltage cabinet technical field, specifically a kind of assembly structure of low voltage cabinet. BACKGROUND

[0002] Low voltage cabinet is used for the electrical equipment of centralized control and distribution low voltage electric energy, it distributes the low voltage electric energy from transformer output to each branch, has to the function such as the on-off control, protection, measurement to circuit, is widely used in industrial, commercial and civil building etc. Power supply and distribution system.

[0003] The existing low voltage cabinet in prior art has the following shortcomings: from the space utilization of cabinet, the existing low voltage cabinet is mostly adopted flat assembly layout when assembling SVG and APF equipment, this layout makes the equipment occupy larger space in cabinet, installation quantity is limited, lead to unable to meet the demand of power system to electric energy quality improvement, greatly limit the application efficiency of low voltage cabinet in power system, difficult to realize efficient electric energy quality management, and in assembly process, the flat assembly mode of traditional SVG and APF equipment is complex, seriously affect assembly efficiency, increase equipment installation cost and time cost;Therefore, aiming at the above problems, a kind of assembly structure of low voltage cabinet is provided. SUMMARY

[0004] In order to make up for the deficiency of existing low voltage cabinet, an assembly structure of low voltage cabinet is provided.

[0005] The utility model discloses a kind of assembly structure of low voltage cabinet, including cabinet, the horizontal frame and vertical frame are fixedly assembled in the inner edge of the cabinet, a plurality of fixed through holes are formed in the horizontal frame and vertical frame, the horizontal frame is provided with several cabinet inner partitions multiple assembly spaces, a plurality of joists are fixedly assembled on the horizontal frame by fixing screw, a plurality of bottom plate guide rails for assembling equipment SVG and APF are placed equidistantly on the joist, the bottom plate guide rail is fixedly assembled with the joist by fixing screw, beam is fixedly assembled on the horizontal frame at the entrance of bottom plate guide rail by fixing screw, a plurality of fixed through holes are formed in the beam.

[0006] Preferably, the bottom plate guide rail is U-shaped and cooperates with the SVG and APF, and the distance between the bottom plate guide rail and the SVG and APF is greater than 0.5 cm.

[0007] Preferably, the beam is provided with a fixed support on one side near the entrance of the bottom plate guide rail by the fixing screw, and a plurality of fixed through holes for fixing the SVG and APF are formed in the fixed support.

[0008] Preferably, the intersection of the horizontal frame and the vertical frame is fixedly connected by angle iron.

[0009] The utility model discloses a beneficial effect:

[0010] 1. Efficiently utilize cabinet space, promote equipment installation quantity: the utility model discloses the setting of assembly structure in the cabinet, adopts vertical layout, can significantly increase the installation quantity of SVG and APF equipment in the same cabinet space, this design greatly improves the utilization of cabinet internal space, can fully satisfy the demand of equipment quantity in large-scale power quality management project, effectively promotes the application efficiency of low voltage cabinet in power system;

[0011] 2. Simplify assembly process, improve assembly efficiency: the bottom plate guide rail specially designed for SVG and APF equipment installation changes the traditional complex flat assembly positioning and fixing operation, greatly simplifies the assembly process in the whole process, improves assembly efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0012] The drawings explained here are used to provide further understanding of the utility model, and constitute a part of the application, and the illustrative embodiment of the utility model and its explanation are used to explain the utility model, and do not constitute improper limitation to the utility model. In the drawings:

[0013] Fig. 1 It is the structure diagram of the internal assembly structure of the utility model;

[0014] Fig. 2 It is the structure diagram of crossbeam, fixed support, bottom plate guide rail, joist;

[0015] Fig. 3 It is the structure diagram of the whole of the utility model;

[0016] Legend:

[0017] 1, cabinet;2, horizontal frame;3, vertical frame;4, joist;5, bottom plate guide rail;6, crossbeam;7, fixed support;8, angle iron. DETAILED DESCRIPTION

[0018] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the range of the utility model protection.

[0019] The specific embodiments are given below.

[0020] Please refer to Figs. 1-3The utility model discloses a kind of assembly structure of low-voltage cabinet, including cabinet 1, the inner edge of the cabinet 1 is fixedly assembled with horizontal frame 2 and vertical frame 3, a plurality of fixed through holes are formed in the horizontal frame 2 and vertical frame 3, the horizontal frame 2 is provided with several and separates the plurality of assembly spaces in cabinet 1, a plurality of joists 4 are fixedly assembled on the horizontal frame 2 by fixing screw, a plurality of bottom plate guide rails 5 for assembling equipment SVG and APF are placed equidistantly on the joist 4, the bottom plate guide rail 5 is fixedly assembled with joist 4 by fixing screw, horizontal beam 6 is fixedly assembled at the entrance of bottom plate guide rail 5 on the horizontal frame 2 by fixing screw, a plurality of fixed through holes are formed in the horizontal beam 6, the bottom plate guide rail 5 is cooperated with the U type of SVG and APF, and interval is greater than SVG and APF width 0.5cm, fixed support 7 is fixedly arranged on the side of horizontal beam 6 close to the entrance of bottom plate guide rail 5 by fixing screw, a plurality of fixed through holes for fixing SVG and APF are formed in the fixed support 7;When working, horizontal frame 2 and vertical frame 3 are used as the main support structure of the internal frame of cabinet 1, the design of its fixed through hole is the basis for realizing subsequent connection operation, by using the fixed screw of adaptation, horizontal frame 2 and vertical frame 3 are fixed in the inner edge of cabinet 1 according to predetermined layout, a plurality of horizontal frames 2 are arranged, and the plurality of independent and regular assembly spaces are separated in cabinet 1, these assembly spaces provide ordered area division for SVG and APF equipment installation, avoid the confusion and mutual interference of equipment installation, the mounting position of joist 4 on horizontal frame 2 is determined, the role of joist 4 is to provide stable bearing foundation for bottom plate guide rail 5, the joist 4 is firmly fixed on the horizontal frame 2 by using fixing screw to pass through the mounting hole on the joist 4 and the corresponding fixed through hole on the horizontal frame 2, the bottom plate guide rail 5 is used as the key guide and support component of SVG and APF equipment installation, the U-shaped bottom plate guide rail 5 is placed equidistantly on the joist 4, the design of U-shaped structure is adapted to the outline of SVG and APF equipment, can provide stable support for equipment, and 0.5cm, which can ensure that the device can smoothly slide on the guide rail, and will not cause the device to shake during installation due to the too large spacing, the bottom plate guide rail 5 and the joist 4 are firmly fixed by the fixing screw passing through the mounting hole on the bottom plate guide rail 5 and the corresponding fixed hole on the joist 4, when installing the SVG device, the operator only needs to place the SVG device stably at the entrance of the bottom plate guide rail 5, and then slowly push along the guide rail, due to the guiding effect of the bottom plate guide rail 5 and the size design matched with the device, the SVG device can be accurately and accurately slid into the corresponding assembly space, after the device reaches the predetermined installation position, the device is fixed up and down by using the fixed support 7, the fixed support 7 on the horizontal frame 2 below the SVG device is firmly fixed below the SVG device by the fixing screw passing through the fixed hole on the fixed support 7, and the horizontal frame 2 above the SVG device also has a horizontal frame 2, because one side can install two groups of fixed supports 7 up and down, at this time, the fixed support 7 below one side of the horizontal frame 2 above the device can also be connected with the fixed hole above the device by the fixing screw, so as to realize the fixation of the SVG device above, the installation and fixation mode of the APF device is the same, and here will not be repeated, this double fixation mode cooperates with the fixed support 7 and the cross beam 6 to constrain the device from multiple directions, so that the displacement of the device caused by vibration and other factors during operation is avoided, compared with the conventional SVG or APF flat assembly mode, the plurality of assembly spaces formed by the horizontal frame 2 and the vertical frame 3 realize efficient utilization of the internal space of the cabinet body by the vertical layout of the SVG or APF device, in the same cabinet space, the installation number of the SVG and APF devices can be significantly increased, the large-scale power quality treatment demand is met, the bottom plate guide rail 5 changes the traditional complex installation mode, in the past, the positioning and fixing operation of the flat assembly is complex, now the operator only needs to place the SVG or APF device vertically on the bottom plate guide rail 5, and the positioning can be completed by pushing along the bottom plate guide rail 5, so that the assembly process is greatly simplified, the human error in the assembly process is effectively reduced, and the assembly efficiency is improved.

[0021] Further, the intersection of the horizontal frame 2 and the vertical frame 3 is fixedly connected by the angle iron 8; during the construction of the internal frame of the cabinet 1, when the horizontal frame 2 and the vertical frame 3 intersect to form a node, the installation of the angle iron 8 enhances the stability of the frame structure, significantly enhances the overall strength of the frame formed by the horizontal frame 2 and the vertical frame 3, ensures the installation accuracy of the device, and maintains good connection performance, thereby providing reliable guarantee for long-term stable operation of the low-voltage cabinet.

[0022] In the description of the specification, the description of the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0023] The basic principle, main features and advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and the description in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements, and these changes and improvements all fall within the scope of the utility model claimed.

Claims

1. A structure for assembling a low voltage switchgear, characterized by: The utility model provides a cabinet, including cabinet (1), the inner edge of cabinet (1) is fixedly equipped with horizontal frame (2) and vertical frame (3), a plurality of fixed through -holes are formed in horizontal frame (2) and vertical frame (3), horizontal frame (2) is provided with several and separates the plurality of assembly space of cabinet (1), a plurality of joist (4) are fixedly equipped on horizontal frame (2) through fixed screw, a plurality of bottom plate guide rails (5) for assembling equipment SVG and APF are equidistantly placed on joist (4), bottom plate guide rail (5) is fixedly equipped with joist (4) through fixed screw, horizontal beam (6) is fixedly equipped at the entry of bottom plate guide rail (5) on horizontal frame (2) through fixed screw, a plurality of fixed through -holes are formed in horizontal beam (6).

2. The assembly structure of a low voltage cabinet according to claim 1, characterized in that: The bottom plate guide rail (5) is U-shaped and cooperates with the SVG and APF, and the interval is greater than the width of the SVG and APF by 0.5 cm.

3. The assembly structure of a low voltage cabinet according to claim 1, characterized in that: The fixed support (7) is fixedly arranged on the side of the horizontal beam (6) close to the entry of the bottom plate guide rail (5) through the fixed screw, and a plurality of fixed through-holes for fixing the SVG and APF are formed in the fixed support (7).

4. The assembly structure of a low voltage cabinet according to claim 1, characterized in that: The intersection of the horizontal frame (2) and the vertical frame (3) is fixedly connected through the angle iron (8).

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