Low-voltage switch cabinet adopting special-shaped main bus

Abstract

The utility model is suitable for the field of low-voltage electrical technology, and relates to a low-voltage switch cabinet adopting a special-shaped main bus, which comprises a cabinet body. A special-shaped main bus fixing clamp, a special-shaped main bus, a branch bus and a fixing piece are arranged in the cabinet body; the special-shaped main bus fixing clamp is arranged on the inner wall of the cabinet body, the special-shaped main bus is fixed in the cabinet body in a mode of penetrating through the special-shaped main bus fixing clamp, the special-shaped main bus is provided with a special-shaped main bus duct opening, and the fixing piece fixedly connects the special-shaped main bus with the branch bus through the special-shaped main bus duct opening. According to the utility model, the structure is simple, the operation is convenient, the conventional rectangular main bus in the cabinet body is changed into the C-shaped main bus, and the C-shaped main bus is fixedly lapped with the branch bus by using the through notch of the C-shaped main bus, so that the design production period is shortened, the situation that the lapped position is deviated from the opening and cannot be installed is avoided, and the installation efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to low -voltage electrical technical field especially relates to a low -voltage switch cabinet of adopting special-shaped main bus. BACKGROUND

[0002] The main bus is a kind of conductor that is used to collect and transmit current in electrical complete equipment, and the main bus is connected with branch bus in the equipment to provide power supply for each branch circuit.The conventional main bus is rectangular section, and the specification length and the lap opening position of the main bus are different according to different current levels and the number of equipment, the main bus is fixed by the main bus fixing clamp, and the main bus is connected with the branch bus in the cabinet by the through mode.

[0003] The conventional rectangular main bus adopts custom opening mode, and there is certain error when installing multi-face cabinet body, and the machining and assembly error of the cabinet body itself is obvious, and the uncertainty of opening position is very obvious, so that the copper main bus is installed on site, and the lap opening position deviates from installation, which leads to low installation efficiency.The patent application with publication number CN104577800A provides an armored movable AC metal-enclosed switchgear, which comprises a busbar chamber, a circuit breaker chamber and a cable chamber, the circuit breaker chamber is provided with a circuit breaker, the circuit breaker is provided with a relay instrument chamber above, the circuit breaker chamber is adjacent to the busbar chamber, the busbar chamber is adjacent to the cable chamber, the circuit breaker is provided with a secondary plug below, three rectangular main buses are installed in the busbar chamber in the shape of a triangle, the rectangular main buses are provided with busbar sleeves, the three rectangular main buses are connected with static contact boxes below the busbar chamber, the static contact boxes are connected with current transformers at the lower end, the current transformers are provided with plate heaters on the installation board, the current transformers are connected with support insulators, the support insulators are connected with power cables between the current transformers, the edge of the cable chamber is provided with a grounding switch, and the busbar chamber, the circuit breaker chamber and the cable chamber are all provided with pressure relief plates.The main bus in the patent application is also rectangular structure, and there is error and inconvenience in the installation process, and the same disadvantages as the prior art exist.

[0004] Therefore, how to improve the installation efficiency of the main bus in the switchgear is an urgent problem to be solved by the personnel in the technical field. UTILITY MODEL CONTENTS

[0005] In view of the defects of the prior art, the utility model aims at providing a low-voltage switch cabinet with special-shaped main bus to solve the problem of low installation efficiency of conventional rectangular main bus in the prior art.

[0006] In order to solve the above technical problems, the utility model adopts the following technical scheme:

[0007] The utility model provides a kind of low voltage switchgear using special-shaped main bus, comprising: cabinet;The cabinet is equipped with special-shaped main bus fixing clamp, special-shaped main bus, branch bus and fixing part;The special-shaped main bus fixing clamp is arranged on the inner wall of the cabinet, and the special-shaped main bus is fixed in the cabinet by the mode of penetrating the special-shaped main bus fixing clamp, the special-shaped main bus is equipped with special-shaped main bus notched, and the fixing part is fixedly connected with the special-shaped main bus and the branch bus by the special-shaped main bus notched.

[0008] Further, the special-shaped main bus is C-shaped.

[0009] Further, the special-shaped main bus fixing clamp is C-shaped.

[0010] Further, the fixing part is special-shaped bolt.

[0011] Further, the special-shaped main bus is applicable to the current level range of 3200A to 7400A.

[0012] The low voltage switchgear using special-shaped main bus provided by the utility model has at least the following beneficial effects compared with prior art:

[0013] The conventional rectangular main bus adopts custom opening mode, and there is certain error in the installation of multi-surface cabinet, and the machining and assembly error of the cabinet itself, and the uncertainty of opening position is very obvious, and the copper main bus is installed on site, and the opening position of the lap joint position deviates from the installation, which leads to low installation efficiency. The utility model is simple in structure and convenient to operate, the conventional rectangular main bus in the cabinet is changed into C-shaped main bus, the slot and branch bus fixed lap joint of the C-shaped main bus are utilized, the design and production cycle are shortened, the uncertainty of existing opening position is eliminated, the opening position of the lap joint position deviates from the installation, the installation efficiency is improved, the cross-sectional area of the C-shaped main bus is smaller than that of the conventional rectangular main bus, the product heat dissipation area can be improved, the product performance is further improved, and the product cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the scheme of the utility model, the drawings needed in the embodiment description will be simply introduced below, and obviously, the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0015] Fig. 1 A front view of a low voltage switchgear using special-shaped main bus provided by the utility model embodiment is provided.

[0016] Fig. 2The utility model provides a kind of low voltage switchgear of adopting special-shaped main busbar for the side view of the utility model embodiment;

[0017] Fig. 3 The utility model provides a kind of low voltage switchgear of adopting special-shaped main busbar for the connecting side view of special-shaped main busbar and branch busbar of the utility model embodiment;

[0018] Fig. 4 The utility model provides a kind of low voltage switchgear of adopting special-shaped main busbar for the perspective view of special-shaped main busbar;

[0019] Reference signs: 10-cabinet body;20-special-shaped main busbar fixing clamp;30-special-shaped main busbar;40-branch bus;50-fixing piece;60-special-shaped main busbar notch. DETAILED DESCRIPTION

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs; the terms used in the specification are only for the purpose of describing specific embodiments and are not intended to limit the present application, for example, the terms "length", "width", "upper", "lower", "left", "right", "front", "back", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or position shown in the drawings, which are only for the purpose of description, and cannot be understood as a limitation on the present application.

[0021] The terms "include" and "have" and any variations thereof in the specification and claims of the present application and the above description of drawings are intended to cover non-exclusive inclusion; the terms "first", "second" and the like in the specification and claims of the present application or the above description of drawings are used to distinguish different objects, not to describe a specific order. In the specification and claims of the present application and the above description of drawings, when an element is referred to as "fixed to" or "mounted to" or "provided to" or "connected to" another element, it can be directly or indirectly on the other element. For example, when an element is referred to as "connected to" another element, it can be directly or indirectly connected to the other element.

[0022] In addition, the phrase "embodiment" is mentioned in this paper, which means that the specific features, structures or characteristics described in conjunction with the embodiment can be included in at least one embodiment of the present application. The appearance of this phrase in the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment independent of or alternative to other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0023] The utility model provides a kind of low voltage switchgear using special-shaped main bus, it is applied to the current collection and transmission process of electrical complete equipment, and the low voltage switchgear using special-shaped main bus includes:

[0024] Cabinet body;Cabinet body is equipped with special-shaped main bus fixing clamp, special-shaped main bus, branch bus and fixing part;Special-shaped main bus fixing clamp is arranged on the inner wall of cabinet body, and special-shaped main bus is fixed in cabinet body by the mode of penetrating special-shaped main bus fixing clamp, and special-shaped main bus slot is formed in special-shaped main bus, and fixing part is fixedly connected with special-shaped main bus and branch bus by special-shaped main bus slot.

[0025] The utility model has the advantages of simple structure and convenient operation, and by changing conventional rectangular main bus into C-shaped main bus, the slot of C-shaped main bus is penetrated and fixedly connected with branch bus, the design and production cycle is shortened, the situation that the hole of lap joint position deviates from installation is avoided, and the installation efficiency is improved.

[0026] In order to enable personnel in the technical field to better understand the utility model scheme, the technical scheme in the embodiment of the utility model will be clearly and completely described below in combination with drawings.

[0027] The utility model provides a kind of low voltage switchgear using special-shaped main bus, it is applied to the current collection and transmission process of electrical complete equipment, and the low voltage switchgear using special-shaped main bus includes Figs. 1 to 4 In the embodiment, the low voltage switchgear using special-shaped main bus includes

[0028] Cabinet body 10;Cabinet body 10 is equipped with special-shaped main bus fixing clamp 20, special-shaped main bus 30, branch bus 40 and fixing part 50;Special-shaped main bus fixing clamp 20 is arranged on the inner wall of cabinet body 10, and special-shaped main bus 30 is fixed in cabinet body 10 by the mode of penetrating special-shaped main bus fixing clamp 20, and special-shaped main bus slot 60 is formed in special-shaped main bus 30, and fixing part 50 is fixedly connected with special-shaped main bus 30 and branch bus 40 by special-shaped main bus slot 60.

[0029] Specifically, in the embodiment, special-shaped main bus 30 is C-shaped, special-shaped main bus fixing clamp 20 is C-shaped, fixing part 50 is special-shaped bolt, C-shaped main bus fixing clamp is customized to be used for fixing C-shaped main bus, and is penetrated through from C-shaped main bus fixing clamp during installation, and special-shaped main bus slot 60 size is utilized, and special-shaped bolt is customized to be used for the lap joint fixing of C-shaped main bus and branch bus 40 in cabinet, the size of square neck of special-shaped bolt is matched with the size of special-shaped main bus slot 60, to prevent rotating when fastening bolt, and the special-shaped main bus slot 60 of C-shaped main bus is penetrated, to replace the fixed lap joint hole of conventional main bus and branch bus 40, to avoid the misplacement of lap joint hole.

[0030] In other embodiments, the special-shaped main bus fixing clamp 20 and the special-shaped main bus 30 can also be U-shaped, G-shaped or other shapes with larger cross-sectional area to improve the heat dissipation performance of the product.

[0031] Further, in the embodiment, the special-shaped main bus is applicable to the current level of 3200A-7400A, and only the number needs to be changed without changing the specification, and the versatility is strong.

[0032] Compared with the prior art, the low-voltage switch cabinet using the special-shaped main bus described in the above embodiment has the following advantages: the conventional rectangular main bus is changed to a C-shaped main bus, the through slot of the C-shaped main bus is used to fix and overlap the branch bus, the design and production cycle is shortened, the uncertainty of the existing opening position is eliminated, the situation that the overlapping opening deviates from the installation is avoided, the installation efficiency is improved, the cross-sectional area of the C-shaped main bus is smaller than that of the conventional rectangular main bus, the heat dissipation area of the product is improved, the product performance is further improved, and the product cost is reduced.

[0033] Obviously, the above-described embodiments are only the preferred embodiments of the present application, but not all the embodiments, and the preferred embodiments of the present application are given in the drawings, but do not limit the patent scope of the present application. The present application can be realized in many different forms, and conversely, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing specific embodiments, or make equivalent replacements to some technical features. Any equivalent structure made by using the content of the present application specification and drawings, directly or indirectly used in other related technical fields, is also within the patent protection scope of the present application.

Claims

1. A low voltage switchgear employing a profiled main busbar, characterised in that, Include: The cabinet body is provided with a special-shaped main bus fixing clamp, a special-shaped main bus, a branch bus and a fixing piece in the cabinet body. The special-shaped main bus fixing clamp is arranged on the inner wall of the cabinet body, the special-shaped main bus is fixed in the cabinet body by penetrating the special-shaped main bus fixing clamp, a special-shaped main bus notch is formed on the special-shaped main bus, and the fixing piece is fixedly connected with the special-shaped main bus and the branch bus through the special-shaped main bus notch. The special-shaped main bus is C-shaped.

2. The low voltage switchgear employing a profiled main busbar as claimed in claim 1 wherein, The special-shaped main bus fixing clamp is C-shaped.

3. The low voltage switchgear employing a profiled main busbar as claimed in claim 1 wherein, The fixing piece is a special-shaped bolt.

4. The low voltage switchgear employing a profiled main busbar as claimed in claim 1 wherein, The current level range suitable for the special-shaped main bus is 3200A to 7400A.

5. The low voltage switchgear employing a profiled main busbar as claimed in claim 1 wherein, ​

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