Load switch with staggered wiring

Abstract

The utility model discloses a load switch with staggered wiring, which comprises a load switch body, and a plurality of wiring ports are arranged on the load switch body side by side and are used for connecting multiphase parallel leads. Each wiring port is provided with a sliding wiring assembly, when the positions of the sliding wiring assemblies in the wiring ports are shifted, the positions of the wiring ports of the multiphase parallel wires are staggered, and when the multiple load switches are arranged side by side, the sliding wiring assemblies used for connecting the wires of the same phase are located on the same straight line. The utility model has the advantages of compact structure, convenient disassembly and assembly, high wiring accuracy, low cost and the like, and solves the problems of tedious operation, easy connection error, high later disassembly difficulty and the like caused by simultaneous arrangement of multi-phase parallel leads when a plurality of switches are installed side by side in the prior art.

Description

Technical Field

[0001] The utility model belongs to the technical field of circuit switches, and in particular relates to a load switch with staggered wiring. Background Art

[0002] In the power distribution cabinet, the power supply generally passes through the main switch first, and then is distributed to each load switch. When there are a large number of load switches, the load switches need to be connected in parallel in sequence according to the phase. The connection diagram in the cabinet is as follows: Figure 1 As shown. Therefore, there is usually only one main switch, while there are multiple load switches, which are arranged side by side. After the power line is connected from the lower port of the main switch, the upper terminal ports of the load switches should be connected in parallel by wires according to the phase. For 1P switches, parallel wires can be arranged straight, but for non-1P switches, it is unrealistic to arrange multi-phase parallel wires on a horizontal line at the same time. Parallel wires must constantly turn corners with each other, and frequent turns over short distances are inconvenient to install, time-consuming to operate, prone to connection errors, and unsightly. On the other hand, it brings difficulties to the later replacement of switches and removal of parallel wires.

[0003] In practical applications, load switches are generally arranged closely side by side, and the thickness of a 1P switch is about 18mm, the thickness of a 2P switch is about 2×18=36mm, and the thickness of a 3P switch is about 3×18=54mm. For non-1P switches, multi-phase parallel wires need to start from the upper port of the first switch on the left, and connect other load switches in parallel one by one in the same direction. When there are more switches, more parallel wires are needed. The wiring ports at the upper end of the switch are on the same straight line, and multi-phase parallel wires should be arranged above them at the same time. Every time a wiring port is passed, the parallel wire of the wiring port must go deep into it, and other parallel wires must turn corners to make way for it. After turning, it must turn back again, and repeat the operation when it reaches the next wiring port.

[0004] In the technical solution disclosed in Chinese patent CN207834226U, parallel switches are connected in parallel by using a busbar and a U-shaped terminal. This method is suitable for the design and unified installation of a complete set of power distribution cabinets. In actual applications, not only does it need to configure the busbar in advance, but it also needs to consider the position relationship between the busbar and the main switch and load switch, so that it cannot be adjusted according to the site conditions during installation, and it is difficult to meet the complex and changeable actual site conditions. Utility Model Content

[0005] The technical problem to be solved by the utility model is to solve the problems that when multiple switches are installed side by side, the operation is cumbersome, connection errors are easy to occur, and the later removal is difficult due to the simultaneous arrangement of multi-phase parallel wires. The utility model provides a load switch with staggered wiring which has a compact structure, convenient assembly and disassembly, high wiring accuracy and low cost.

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

[0007] A load switch with staggered wiring comprises a load switch body, on which a plurality of wiring ports are arranged side by side for connecting multi-phase parallel wires; each of the wiring ports is provided with a sliding wiring assembly, and when the position of the sliding wiring assembly in the wiring port is moved, the positions of the wiring ports of the multi-phase parallel wires are staggered, and when a plurality of load switches are arranged side by side, the sliding wiring assemblies used to connect the wires of the same phase are on the same straight line.

[0008] As a further improvement of the present invention, the sliding wiring assembly includes a slider interface and a conductive bar; the conductive bar is arranged in the wiring port to connect the internal circuit of the load switch body, and the slider interface is slidably arranged in the conductive bar and reciprocates on the conductive bar to connect parallel wires.

[0009] As a further improvement of the present invention, the sliding wiring assembly also includes an interface fastening bolt, which is arranged in the slider interface. When the connection position of the slider interface on the conductive bar is determined, it is fastened by the interface fastening bolt.

[0010] As a further improvement of the present invention, the sliding wiring assembly also includes a wire fastening bolt, which is arranged through the side of the wiring port. When the parallel wires are inserted into the slider interface, they are fastened by the wire fastening bolt.

[0011] Compared with the prior art, the advantages of the utility model are:

[0012] The load switch with staggered wiring of the utility model realizes staggered positions of the wiring ports by setting the wiring ports on the load switch to be movable forward and backward within a certain range. When the wiring ports need to be staggered, the wiring ports can be moved an appropriate distance according to the actual situation, so that the multi-phase wiring ports are not on the same horizontal straight line, and the parallel wires of the same phase are on the same horizontal line, while the parallel wires of different phases are staggered. In this way, the parallel wires will not be crowded, can be neatly arranged, and can be easily connected, and can also prevent wrong connection. When staggering is not required, the position of the wiring port can be kept unchanged, which meets the existing common wiring method and is also convenient for unified production. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a wiring diagram inside the power distribution cabinet.

[0014] Figure 2 The schematic diagram is a schematic diagram of the structural principle of a load switch with staggered wiring in a specific embodiment of the utility model.

[0015] Figure 3This is a schematic diagram of the structural principle of a load switch with staggered wiring in a specific embodiment of the utility model from another perspective.

[0016] Figure 4 It is a schematic diagram of the structural principle of parallel wire connection of the load switch in a specific embodiment of the utility model.

[0017] Figure 5 This is a schematic diagram of the structural principle of the parallel wire connection of the load switch in a specific embodiment of the utility model from another perspective.

[0018] Legend: 1. A-phase wiring port; 2. B-phase wiring port; 3. C-phase wiring port; 4. Slider interface; 5. Interface fastening bolt; 6. Conductive bar; 7. Wire fastening bolt; 8. A-phase parallel wire; 9. B-phase parallel wire; 10. C-phase parallel wire; 11. No. 1 load switch; 12. No. 2 load switch; 13. No. 3 load switch; 14. No. 4 load switch; 100. Switch body. DETAILED DESCRIPTION

[0019] The present invention is further described below in conjunction with the accompanying drawings and specific preferred embodiments, but the protection scope of the present invention is not limited thereby.

[0020] In the description of the present invention, it should be understood that the terms "side", "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation to the present invention.

[0021] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0022] Example

[0023] like Figures 2 to 5As shown, the staggered wiring load switch of the utility model comprises a load switch body 100, on which three wiring ports, namely, A-phase wiring port 1, B-phase wiring port 2 and C-phase wiring port 3, are arranged side by side for connecting three-phase parallel wires. Each wiring port is provided with a sliding wiring assembly, and when the position of the sliding wiring assembly in the wiring port is moved, the wiring ports of multi-phase parallel wires can be staggered, such as Figure 2 and Figure 3 As shown; and when multiple load switches such as No. 1 load switch 11, No. 2 load switch 12, No. 3 load switch 13 and No. 4 load switch 14 are arranged side by side, the sliding wiring assembly used to connect the same phase conductor is on the same straight line, so that multiple A-phase parallel conductors 8 are on the same horizontal straight line, multiple B-phase parallel conductors 9 are on the same horizontal straight line, and multiple C-phase parallel conductors 10 are on the same horizontal straight line, as shown in FIG. Figure 4 and Figure 5 shown.

[0024] In this embodiment, the wiring port on the load switch is set to be movable forward and backward within a certain range so as to achieve the staggered position of the wiring port. When the wiring port needs to be staggered, the wiring port can be moved an appropriate distance according to the actual situation, so that the multi-phase wiring port is not on the same horizontal straight line, and the parallel wires of the same phase are on the same horizontal line, while the parallel wires of different phases are staggered. In this way, the parallel wires will not be crowded, can be neatly arranged, and can be easily connected, and can also prevent wrong connection. When staggering is not required, the position of the wiring port can be kept unchanged to meet the existing common wiring method, and it is also convenient for unified production.

[0025] like Figure 2 and Figure 3 As shown, the sliding wiring assembly includes a slider interface 4 and a conductive bar 6. The conductive bar 6 is arranged in the wiring port for connecting the internal circuit of the load switch body 100. The slider interface 4 is slidably arranged in the conductive bar 6, and reciprocates on the conductive bar 6 for connecting parallel wires. It should be noted that the specific structure of the internal circuit of the load switch body 100 is a common circuit structure in the field, which will not be repeated here. Designing the wiring port to be a sliding form can not only meet the requirements of staggered wiring, but also facilitate unified production. Through the slider interface 4, the wiring port at the upper end of the load switch body 100 realizes a staggered structure, which can not only cope with the complex and changeable actual situation on site, but also easily complete the parallel operation of multiple load switches, while also ensuring the accuracy of wiring, which can be well applied to the situation where load circuit breakers are arranged side by side in the distribution cabinet.

[0026] Furthermore, the sliding wiring assembly also includes an interface fastening bolt 5 , which is disposed in the slider interface 4 . When the connection position of the slider interface 4 on the conductive bar 6 is determined, the interface fastening bolt 5 is used for fastening.

[0027] Furthermore, the sliding wiring assembly also includes a wire fastening bolt 7, which is arranged through the side of the wiring port. When the parallel wire is inserted into the slider interface 4, it is fastened by the wire fastening bolt 7.

[0028] During the installation process, first clamp multiple load switch bodies 100 side by side on the steel groove, and adjust the positions of all slider interfaces 4 uniformly as needed. Then, according to the actual length of the same-phase wiring port, uniformly prepare the parallel wires on site, and then connect the rear parallel wires from the inside to the outside. After all are connected, connect them one by one. This can not only cope with the complex and changeable actual situation on site, but also easily complete the parallel work of multiple load switches, while also ensuring the accuracy of wiring, and avoiding short circuits caused by carelessness and wrong wire connection.

[0029] Although the utility model is disclosed as above with preferred embodiments, it is not intended to limit the utility model. Any technician familiar with the art can use the above disclosed methods and technical contents to make many possible changes and modifications to the technical solution of the utility model without departing from the spirit and technical solution of the utility model, or modify it into an equivalent embodiment with equivalent changes. Therefore, any simple modification, equivalent replacement, equivalent change and modification made to the above embodiments according to the technical essence of the utility model without departing from the content of the technical solution of the utility model still falls within the scope of protection of the technical solution of the utility model.

Claims

1. A load switch with staggered wiring, characterized in that: The invention comprises a load switch body (100), wherein a plurality of wiring ports are arranged side by side on the load switch body (100) for connecting multi-phase parallel wires; a sliding wiring assembly is arranged in each of the wiring ports, and when the position of the sliding wiring assembly in the wiring port is moved, the positions of the wiring ports of the multi-phase parallel wires are staggered, and when a plurality of load switches are arranged side by side, the sliding wiring assemblies for connecting the wires of the same phase are on the same straight line.

2. The load switch with staggered wiring according to claim 1, characterized in that: The sliding wiring assembly comprises a slider interface (4) and a conductive bar (6); the conductive bar (6) is arranged in the wiring port for connecting the internal circuit of the load switch body (100); the slider interface (4) is slidably arranged in the conductive bar (6) and reciprocates on the conductive bar (6) for connecting parallel wires.

3. The load switch with staggered wiring according to claim 2, characterized in that: The sliding wiring assembly also includes an interface fastening bolt (5), which is arranged in the slider interface (4). When the connection position of the slider interface (4) on the conductive bar (6) is determined, it is fastened by the interface fastening bolt (5).

4. The load switch with staggered wiring according to claim 3, characterized in that: The sliding wiring assembly also includes a wire fastening bolt (7), which is arranged through the side of the wiring port. When the parallel wire is inserted into the slider interface (4), it is fastened by the wire fastening bolt (7).

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