Movable power switch cabinet with electric leakage detection device

Abstract

The utility model relates to the technical field of power switch cabinets, and provides a movable power switch cabinet with an electric leakage detection device, which comprises a cabinet body, an electric leakage detection mechanism and a power-off device, and the electric leakage detection mechanism comprises a voltage detector, an audible and visual alarm and a switch board. A plurality of universal wheels are arranged at the bottom of the cabinet body, a placement frame is arranged in the cabinet body, power equipment is placed on the placement frame, a voltage detector is arranged on the inner side of the cabinet door, a detection line of the voltage detector is connected with the placement frame and the cabinet body, and an audible and visual alarm is arranged on the outer wall of the cabinet door. And a power-off device is arranged in the cabinet body. According to the device, the voltage between the cabinet body and the placement rack is detected through the voltage detector to judge whether electric leakage occurs or not, and when the equipment leaks electricity, the audible and visual alarm gives an alarm, so that a worker can carry out maintenance in time, power-off can be carried out on the power equipment through the power-off device during maintenance, and power-off maintenance can be carried out without opening the cabinet door.

Description

Technical Field

[0001] The utility model relates to the technical field of electric power switch cabinets, in particular to a movable electric power switch cabinet with a leakage detection device. Background Art

[0002] Movable switchgear is an important electrical equipment in daily life. Its main function is to open and close, control and protect electrical equipment in the process of power generation, transmission, distribution and energy conversion in the power system. At the same time, universal wheels are set at the bottom of the switchgear to facilitate transportation, installation and maintenance.

[0003] According to the search of Chinese utility model application number: CN202223208296.5, a movable AC switch cabinet is disclosed. When the switch cabinet is performing electrical work, power failure or wire damage may cause leakage in the power system. However, most of the existing movable switch cabinets lack leakage detection devices. When leakage occurs in the power system, the staff cannot confirm the fault problem in the first time, and cannot cut off the power for maintenance without opening the cabinet door, so the safety of the staff cannot be guaranteed. Utility Model Content

[0004] The utility model provides a movable power switch cabinet with a leakage detection device, which solves the problem in the related art that during the working process, the power system cannot detect leakage in the first time and the power-off function cannot be achieved by not opening the cabinet door.

[0005] The technical solution of the utility model is as follows: a movable electric switch cabinet with a leakage detection device, comprising a cabinet body, a cabinet door, a leakage detection device, a placement rack, a power-off device, an insulating plate, a plurality of universal wheels, electric power equipment, and an audible and visual alarm; the cabinet door is arranged at the front of the cabinet body; a plurality of the universal wheels are arranged at the bottom of the cabinet body; the insulating plate is arranged on the bottom surface of the cabinet body; the placement rack is arranged inside the cabinet body, located above the insulating plate, and connected to the insulating plate by bolts; the power-off device is arranged on the outside of the cabinet body and welded to the cabinet body; the leakage detection device is a voltage detector, which is arranged on the inner surface of the cabinet door and is electrically connected to the placement rack and the cabinet body through detection lines respectively; the electric power equipment is placed on the upper part of the placement rack; the audible and visual alarm is arranged on the outer wall of the cabinet door and is fixedly connected to the cabinet door, and the audible and visual alarm is electrically connected to the voltage detector.

[0006] Preferably, there is a gap between the placement rack and the side walls and the inner top surface of the cabinet, and there is also a gap between the placement rack and the cabinet door.

[0007] Preferably, the placement rack includes: two vertical plates and a plurality of slot plates, the two vertical plates are vertically arranged inside the cabinet and are parallel to each other, the two vertical plates are located above the insulating plate and are connected to the insulating plate by bolts; the vertical plates are electrically connected to the voltage detector through a detection line; a plurality of slot plates are located inside the cabinet and are horizontally arranged between the two vertical plates, and a plurality of slot plates are movably connected to the two vertical plates; the electrical equipment is arranged on the slot plates.

[0008] Preferably, the placement rack includes a plurality of slide grooves, which are arranged on the opposite surfaces of the two vertical plates, perpendicular to the cabinet door, and the positions of the plurality of slide grooves on the two vertical plates correspond to each other; and the plurality of groove plates are slidably connected to the placement rack through the slide grooves.

[0009] Preferably, the sound and light alarm is connected to the outer wall of the cabinet door by bolts and corresponds to the position of the voltage detector.

[0010] Preferably, it includes a wire hole, which is arranged on the cabinet door and located between the voltage detector and the sound and light alarm. One end of the wire hole is connected to the outer surface of the cabinet door, and the other end is connected to the inner surface of the cabinet door; one side of the cabinet body is connected to the cabinet door by a hinge.

[0011] The working principle and beneficial effects of the utility model are:

[0012] Through the arrangement of a cabinet, a placement rack, a voltage detector, an audible and visual alarm, and a power-off device, the utility model can realize that whether there is voltage between the cabinet and the placement rack by respectively electrically connecting the voltage detector to the cabinet and the placement rack to determine whether there is leakage in the power system; when the voltage detector detects that there is voltage between the cabinet and the placement rack, the audible and visual alarm on the outer wall of the cabinet door will be triggered immediately, and the audible and visual alarm will immediately flash lights and sound an alarm; the staff can hear the alarm issued by the audible and visual alarm at the first time and repair the switch cabinet in time; the staff can choose between live maintenance and power-off maintenance according to needs; if power-off maintenance is required, the power off can be controlled by controlling the power-off device on the cabinet door to improve safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0014] Figure 1 This is a schematic diagram of the internal structure of the cabinet of the utility model;

[0015] Figure 2 This is a schematic diagram of the main structure of the cabinet door of the utility model;

[0016] In the figure: 1. cabinet body; 2. cabinet door; 3. voltage detector; 4. power-off device; 5. placement rack; 501. vertical plate; 502. trough plate; 6. insulating plate; 7. power equipment; 8. universal wheel; 9. sound and light alarm. DETAILED DESCRIPTION

[0017] The concept of the present invention and the technical effects produced will be clearly and completely described below in conjunction with the embodiments so as to fully understand the purpose, features and effects of the present invention.

[0018] See also Figure 1-Figure 2 The utility model provides a movable power switch cabinet with a leakage detection device, including a cabinet body 1, a cabinet door 2, a leakage detection device, a placement rack 5, a power-off device 4, an insulating plate 6, four universal wheels 8, an electric power device 7, and an audible and visual alarm 9; the cabinet door 2 is arranged at the front of the cabinet body 1; the four universal wheels 8 are arranged at the bottom of the cabinet body 1; the insulating plate 6 is arranged on the bottom surface of the cabinet body 1; the placement rack 5 is arranged inside the cabinet body 1, located above the insulating plate 6, and connected to the insulating plate 6 by bolts; the power-off device 4 is arranged on the outside of the cabinet body 1 and welded to the cabinet body 1; the leakage detection device is a voltage detector 3, which is arranged on the inner surface of the cabinet door 2 and is electrically connected to the placement rack 5 and the cabinet body 1 through detection lines respectively; the electric power device 7 is placed on the upper part of the placement rack 5; the audible and visual alarm 9 is arranged on the outer wall of the cabinet door 2, and is fixedly connected to the cabinet door 2, and the audible and visual alarm 9 is electrically connected to the voltage detector 3. There is a gap between the placement rack 5 and the side wall and the inner top surface of the cabinet 1, and there is also a gap between the placement rack 5 and the cabinet door 2. The placement rack 5 includes: two vertical plates 501 and two slot plates 502. The two vertical plates 501 are vertically arranged inside the cabinet 1 and are parallel to each other. The two vertical plates 501 are located above the insulating plate 6 and are connected to the insulating plate 6 by bolts; the vertical plates 501 are electrically connected to the voltage detector 3 through the detection line; the two slot plates 502 are located inside the cabinet 1 and are horizontally arranged between the two vertical plates 501. The two slot plates 502 are movably connected to the two vertical plates 501; the power equipment 7 is arranged on the slot plates 502. The placement rack 5 includes a plurality of slide grooves, which are arranged on the opposite surfaces of the two vertical plates 501, perpendicular to the cabinet door 2, and the positions of the plurality of slide grooves on the two vertical plates 501 correspond to each other; the two slot plates 502 are slidably connected to the placement rack 5 through the slide grooves. The sound and light alarm 9 is connected to the outer wall of the cabinet door 2 by bolts and corresponds to the position of the voltage detector 3. It includes a wire hole, which is arranged on the cabinet door 2 and is located between the voltage detector 3 and the sound and light alarm 9. One end of the wire hole is connected to the outer surface of the cabinet door 2, and the other end is connected to the inner surface of the cabinet door 2; one side of the cabinet body 1 is connected to the cabinet door 2 by a hinge.

[0019] When leakage occurs in the power equipment 7 in the switch cabinet, the voltage detector 3 determines whether leakage occurs by detecting the voltage between the placement rack 5 and the cabinet body 1. If leakage is detected, the voltage detector 3 transmits the signal to the sound and light alarm 9 through electrical connection. After receiving the signal, the sound and light alarm 9 will flash the light and sound an alarm, so that the staff can discover and perform repairs in time. When the staff performs repairs, the power-off device 4 on the control cabinet door 2 can be used to cut off the power supply to the power system in the cabinet door 2 for repair without opening the cabinet door 2, further improving the safety of the staff's repairs.

[0020] The above embodiments are only part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, other embodiments obtained by technicians in this field without creative work all fall within the scope of protection of the present utility model.

Claims

1. A portable power switch cabinet equipped with a leakage detection device, characterized in that: The invention comprises a cabinet (1), a cabinet door (2), a leakage detection device, a placement rack (5), a power-off device (4), an insulating plate (6), a plurality of universal wheels (8), an electric power device (7), and an audible and visual alarm (9); the cabinet door (2) is arranged at the front of the cabinet (1); the plurality of universal wheels (8) are arranged at the bottom of the cabinet (1); the insulating plate (6) is arranged on the bottom surface of the cabinet (1); the placement rack (5) is arranged inside the cabinet (1), is located above the insulating plate (6), and is connected to the insulating plate (6) by a The cabinet (1) is connected by bolts; the power-off device (4) is arranged on the outside of the cabinet (1) and welded to the cabinet (1); the leakage detection device is a voltage detector (3), which is arranged on the inner surface of the cabinet door (2) and is electrically connected to the placement rack (5) and the cabinet (1) through detection lines; the power equipment (7) is placed on the upper part of the placement rack (5); the sound and light alarm (9) is arranged on the outer wall of the cabinet door (2) and is fixedly connected to the cabinet door (2); the sound and light alarm (9) and the voltage detector (3) are electrically connected.

2. A portable power switch cabinet with a leakage detection device according to claim 1, characterized in that: There is a gap between the placement rack (5) and the side walls and the inner top surface of the cabinet (1), and there is also a gap between the placement rack (5) and the cabinet door (2).

3. The portable power switch cabinet with a leakage detection device according to claim 1, characterized in that: The placement rack (5) comprises: two vertical plates (501) and a plurality of slot plates (502); the two vertical plates (501) are vertically arranged inside the cabinet (1) and are parallel to each other; the two vertical plates (501) are located above the insulating plate (6) and are connected to the insulating plate (6) by bolts; the vertical plates (501) are electrically connected to the voltage detector (3) by a detection line; a plurality of slot plates (502) are located inside the cabinet (1) and are horizontally arranged between the two vertical plates (501); a plurality of slot plates (502) are movably connected to the two vertical plates (501); and the power equipment (7) is arranged on the slot plates (502).

4. The portable power switch cabinet with a leakage detection device according to claim 3, characterized in that: The placement rack (5) comprises a plurality of slide grooves, which are arranged on opposite surfaces of the two vertical plates (501) and are perpendicular to the cabinet door (2). The positions of the plurality of slide grooves on the two vertical plates (501) correspond to each other. The plurality of groove plates (502) are slidably connected to the placement rack (5) via the slide grooves.

5. The portable power switch cabinet with a leakage detection device according to claim 1, characterized in that: The sound and light alarm (9) is connected to the outer wall of the cabinet door (2) via bolts and corresponds to the position of the voltage detector (3).

6. The portable power switch cabinet with leakage detection device according to claim 5, characterized in that: The cabinet body (1) comprises a wire hole, the wire hole being arranged on the cabinet door (2) and being located between the voltage detector (3) and the sound and light alarm (9), one end of the wire hole being connected to the outer surface of the cabinet door (2) and the other end being connected to the inner surface of the cabinet door (2); one side of the cabinet body (1) and the cabinet door (2) are connected by a hinge.

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