A drawer switch structure special for 400V temporary power supply

Abstract

The utility model relates to low -voltage power distribution equipment technical field especially relates to a 400V temporary power special drawer switch structure. Its solved the problem of insufficient safety when laying temporary power supply, the utility model discloses through setting up temporary power socket at the front surface of drawer cabinet, to realize when temporary power supply wiring can ensure that the surrounding environment is no live body, after completing temporary cable wiring, push drawer switch to the working position, and close the gate and power on, avoid the traditional technology in the spare drawer cabinet after the live bus wiring, because the upper and lower of spare drawer cabinet are electrified, the difficulty of wiring is greater, and the operator exists the safety risk of electric shock. At the same time, the adjustable height structure is arranged to the whole structure of the outlet plugboard frame, the power supply wiring visual field range can be adjusted according to the operation habit of maintenance personnel, so as to achieve the rapid deployment of temporary power supply system.

Description

Technical Field

[0001] This utility model relates to the field of low-voltage power distribution equipment technology, and in particular to a drawer switch structure for a 400V temporary power supply. Background Technology

[0002] In industrial production, construction, and emergency response, 400V temporary power supplies are crucial for ensuring the normal operation of various electrical equipment (such as maintenance tools, temporary lighting, and small construction machinery). However, when the 400V busbar is de-energized for maintenance, and some loads on the busbar cannot be shut down, a temporary power supply must be laid, powered by another energized 400V busbar and switch. The traditional method involves wiring the circuit after the spare switchgear on the energized busbar, with the other end connected to the specific load via cable to ensure power supply. However, wiring on a energized busbar poses significant safety hazards. The compact layout of 400V switchgear, coupled with the energized state of the spare switchgear both above and below, makes wiring difficult and poses a risk of electric shock to operators.

[0003] Therefore, there is an urgent need for a dedicated drawer switch structure for 400V temporary power supplies that can enable the safe installation of temporary power supplies. Utility Model Content

[0004] Therefore, to address the above problems, this utility model proposes a dedicated drawer switch structure for 400V temporary power supplies. It solves the technical problem of insufficient safety when laying temporary power supplies.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: including an electrical box cabinet, a wire drawer cabinet installed with the electrical box cabinet by a push-pull method, and a spare drawer cabinet for temporary power supply. The spare drawer cabinet includes a cabinet body, a switch handle for switching the cabinet body on and off, a V AC power supply located in the middle of the cabinet body and integrating an overload protection circuit breaker, a busbar connection plate installed on the rear side of the cabinet body and connected to the power supply, and an outgoing plug assembly installed on the front side of the spare drawer cabinet and electrically connected to the power supply.

[0006] The cable outlet plate assembly includes a movable cover plate, a fixed plate is provided on the surface of the movable cover plate, and a rectangular frame with inward recesses is symmetrically provided on the surface of the fixed plate. A support adjustment rod is provided inside the rectangular frame to cooperate with the cable outlet plate frame to achieve orientation adjustment. A wiring positioning seat is also provided on the upper surface of the cable outlet plate frame.

[0007] Furthermore, a first movable seat for connecting the support adjustment rod is also installed inside the rectangular frame. The support adjustment rod is connected to the outgoing cable insertion plate frame through a second movable seat.

[0008] Furthermore, a second movable seat is installed on the side of the cable outlet plate frame that contacts the support adjustment rod, and a cable outlet socket is fixedly installed on the side of the cable outlet plate frame away from the second movable seat. The cable outlet socket is electrically connected to the power supply, and a connecting plug plate is also installed on the upper surface of the cable outlet socket. The wiring positioning seat is perpendicular to the connecting plug plate and is used for connecting and fixing the external power cord.

[0009] Furthermore, the wiring positioning seat includes a base, a wiring fixing plate, and an adjusting rod, wherein the wiring fixing plate is mounted on the surface of the base via the adjusting rod.

[0010] Furthermore, the surface of the wiring fixing plate is provided with an inwardly recessed circular groove, which is open on the side facing the outlet socket. There are not less than a set of circular grooves with different diameters, and the inner wall of each set of circular grooves is attached with an anti-slip rubber pad to accommodate external power cords of different diameters.

[0011] Furthermore, the first movable seat and the second movable seat are arranged far apart from each other, and the first movable seat and the second movable seat are connected by a support adjustment rod.

[0012] Furthermore, the rotating shafts of both the first and second movable seats have built-in damping structures to provide uniform and controllable resistance.

[0013] Furthermore, the lower part of the movable cover is connected to the spare drawer cabinet by a movable pivot, which is used to realize the downward rotation and flipping of the movable cover. The movable cover is made of transparent acrylic sheet, and a rubber sealing ring is provided at the installation position of the spare drawer cabinet.

[0014] By adopting the aforementioned technical solution, the beneficial effects of this utility model are:

[0015] This invention places a temporary power socket on the front surface of the drawer cabinet, ensuring that there are no live parts in the surrounding environment when wiring the temporary power supply. After the temporary cable is wired, the drawer switch is pushed to the working position and the power is turned on. This avoids the traditional process of wiring the spare drawer cabinet behind the live busbar, which is more difficult to wire and poses a risk of electric shock to the operator because the top and bottom of the spare drawer cabinet are both live.

[0016] Meanwhile, by incorporating an adjustable height structure into the overall structure of the outgoing line socket frame, the field of vision for power wiring can be adjusted according to the operating habits of maintenance personnel, thereby enabling the rapid deployment of temporary power supply systems. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a top view of the spare drawer cabinet of this utility model;

[0019] Figure 3 This is a schematic diagram of the internal structure of the spare drawer cabinet of this utility model;

[0020] Figure 4 This is a schematic diagram of the working structure of the cable outlet plug assembly of this utility model;

[0021] Figure 5 This is a schematic diagram of the wiring positioning base of this utility model;

[0022] In the diagram: Electrical cabinet-1, Wire drawer cabinet-2, Spare drawer cabinet-3, Cabinet body-31, Switch handle-32, Power supply-33, Busbar connection plate-34, Outlet plug assembly-35, Movable cover-351, Fixing plate-352, Rectangular frame-353, No. 1 movable seat-354, Support adjustment rod-355, No. 2 movable seat-356, Outlet plug frame-357, Outlet socket-358, Connecting plug plate-359, Wiring positioning seat-3510, Wiring fixing plate-3511, Adjustment rod-3512. Detailed Implementation

[0023] The present invention will now be further described in conjunction with the accompanying drawings and specific embodiments.

[0024] refer to Figures 1-5 This embodiment provides a 400V temporary power supply dedicated drawer switch structure. Its structure includes an electrical box cabinet 1, a wire drawer cabinet 2 installed in a push-pull manner with the electrical box cabinet 1, and a spare drawer cabinet 3 for temporary power supply. The spare drawer cabinet 3 includes a cabinet body 31, a switch handle 32 for switching the cabinet body 31, a 400V AC power supply 33 located in the middle of the cabinet body 31 and integrating an overload protection circuit breaker, a busbar connection plate 34 installed on the rear side of the cabinet body 31 and connected to the power supply 33, and an outgoing line plug assembly 35 installed on the front side of the spare drawer cabinet 3 and electrically connected to the power supply 33.

[0025] The cable outlet plate assembly 35 includes a movable cover plate 351, a fixed plate 352 is provided on the surface of the movable cover plate 351, and a rectangular frame 353 is symmetrically recessed on the surface of the fixed plate 352. A support adjustment rod 355 is provided inside the rectangular frame 353 to cooperate with the cable outlet plate frame 357 to achieve orientation adjustment. A wiring positioning seat 3510 is also provided on the upper surface of the cable outlet plate frame 357.

[0026] This structure mainly includes a power outlet assembly 35 installed on the front surface of the spare drawer cabinet 3, which can flexibly and safely lay temporary power according to the work situation, avoiding the traditional process of laying and connecting power in a live environment. At the same time, the power outlet assembly 35 is also equipped with adjustable parts that can flexibly adjust the height and the distance of the extension from the front surface of the spare drawer cabinet 3, improving the connection field of maintenance personnel and greatly improving the power connection efficiency.

[0027] In use, the first movable seat 354, installed inside the rectangular frame 353, connects the adjusting rod 355 to the outlet plug-in frame 357 via a second movable seat 356. Under the adjustment of the adjusting rod 355, the outlet plug-in frame 357 moves upwards or forwards, thus expanding the maintenance personnel's field of vision and preventing accidental contact with other components when connecting power, as the outlet plug-in frame 357 is fixed in position after rotating out with the movable cover 351.

[0028] Specifically, a second movable seat 356 is installed on the side of the cable outlet plate frame 357 that contacts the support adjustment rod 355. A cable outlet socket 358 is fixedly installed on the side of the cable outlet plate frame 357 away from the second movable seat 356. The cable outlet socket 358 is electrically connected to the power supply 33. A connecting plug plate 359 is also installed on the upper surface of the cable outlet socket 358. The wiring positioning seat 3510 is set perpendicular to the connecting plug plate 359 and is used for connecting and fixing the external power cord.

[0029] It should be noted that the first movable seat 354 and the second movable seat 356 are positioned far apart from each other, and are connected by a support adjustment rod 355. The rotating shafts of both the first movable seat 354 and the second movable seat 356 have built-in damping structures to provide uniform and controllable resistance. These damping structures employ elastic friction damping.

[0030] To further optimize the orderly placement of wires after temporary power connection, this structure also includes a wiring positioning base 3510, which mainly comprises a base, a wiring fixing plate 3511, and an adjusting rod 3512. The wiring fixing plate 3511 is mounted on the surface of the base via the adjusting rod 3512. This is used to centrally fix and store the temporarily laid wires, preventing them from being misplaced.

[0031] The wiring fixing plate 3511 has an inwardly recessed circular groove on its surface. The circular groove is open on the side facing the outlet socket 358 and has no less than 3 sets of circular grooves with different diameters. Each set of circular grooves has an anti-slip rubber pad pasted on its inner wall to accommodate external power cords of different diameters.

[0032] The lower part of the movable cover 351 is connected to the spare drawer cabinet 3 by a movable pivot, which is used to realize the downward rotation and flipping of the movable cover 351. The movable cover 351 is a transparent acrylic sheet, and a rubber sealing ring is provided at the installation position of the spare drawer cabinet 3.

[0033] Although the present invention has been specifically shown and described in conjunction with preferred embodiments, those skilled in the art should understand that various changes in form and detail may be made to the present invention without departing from the spirit and scope of the present invention as defined in the appended claims, and all such changes shall be within the scope of protection of the present invention.

Claims

1. A drawer switch structure for a 400V temporary power supply, characterized in that, The device includes an electrical box cabinet (1), a wire drawer cabinet (2) installed in a push-pull manner with the electrical box cabinet (1), and a spare drawer cabinet (3) for temporary power supply. The spare drawer cabinet (3) includes a cabinet body (31), a switch handle (32) for switching the cabinet body (31), a 400V AC power supply (33) located in the middle of the cabinet body (31) and integrated with an overload protection circuit breaker, a busbar connection plate (34) installed on the rear side of the cabinet body (31) and connected to the power supply (33), and an outgoing plug assembly (35) installed on the front side of the spare drawer cabinet (3) and electrically connected to the power supply (33). The cable outlet plug assembly (35) includes a movable cover plate (351), a fixed plate (352) is provided on the surface of the movable cover plate (351), and a rectangular frame (353) is symmetrically recessed on the surface of the fixed plate (352). A support adjustment rod (355) is provided inside the rectangular frame (353) for adjusting the orientation of the cable outlet plug frame (357). A wiring positioning seat (3510) is also provided on the upper part of the surface of the cable outlet plug frame (357).

2. The 400V temporary power supply dedicated drawer switch structure according to claim 1, characterized in that: The rectangular frame (353) is also equipped with a first movable seat (354) for connecting the support adjustment rod (355). The support adjustment rod (355) is connected to the outgoing cable plug frame (357) through a second movable seat (356).

3. The 400V temporary power supply dedicated drawer switch structure according to claim 2, characterized in that: A second movable seat (356) is installed on the side of the cable outlet plate frame (357) that contacts the support adjustment rod (355). A cable outlet socket (358) is fixedly installed on the side of the cable outlet plate frame (357) away from the second movable seat (356). The cable outlet socket (358) is electrically connected to the power supply (33). A connecting plug plate (359) is also installed on the upper surface of the cable outlet socket (358). The wiring positioning seat (3510) is perpendicular to the connecting plug plate (359) and is used for connecting and fixing the external power cord.

4. The 400V temporary power supply dedicated drawer switch structure according to claim 1, characterized in that: The wiring positioning base (3510) includes a base, a wiring fixing plate (3511) and an adjusting rod (3512), and the wiring fixing plate (3511) is mounted on the surface of the base via the adjusting rod (3512).

5. The 400V temporary power supply dedicated drawer switch structure according to claim 4, characterized in that: The wiring fixing plate (3511) has an inwardly recessed circular groove on its surface. The circular groove is open on the side facing the outlet socket (358). There are no less than 3 sets of circular grooves with different diameters. The inner wall of each set of circular grooves is pasted with an anti-slip rubber pad to accommodate external power cords of different diameters.

6. The 400V temporary power supply dedicated drawer switch structure according to claim 2, characterized in that: The first movable seat (354) and the second movable seat (356) are arranged far apart from each other, and the first movable seat (354) and the second movable seat (356) are connected by a support adjustment rod (355).

7. The 400V temporary power supply dedicated drawer switch structure according to claim 6, characterized in that: The rotating shafts of both the first movable seat (354) and the second movable seat (356) have built-in damping structures to provide uniform and controllable resistance.

8. The 400V temporary power supply dedicated drawer switch structure according to claim 1, characterized in that: The lower part of the movable cover (351) is connected to the spare drawer cabinet (3) by a movable pivot, which is used to realize the downward rotation and flipping of the movable cover (351). The movable cover (351) is a transparent acrylic plate, and a rubber sealing ring is provided at the installation position with the spare drawer cabinet (3).

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