Switch cabinet bottom plate capable of increasing height of cable chamber

Abstract

The utility model relates to the technical field of switch cabinets, and discloses a switch cabinet bottom plate capable of increasing the height of a cable chamber, which comprises a switch cabinet body, a switch cabinet header is mounted at the top of the switch cabinet body, a switch cabinet door plate is connected to the surface of the switch cabinet body, and a circuit breaker mounting plate is mounted in the switch cabinet body. A circuit breaker mounting plate is arranged on the switch cabinet body, a fixed vacuum circuit breaker is arranged on the circuit breaker mounting plate, a lightning arrester is arranged on the circuit breaker mounting plate, an isolating switch is arranged in the switch cabinet body and is positioned on the top of the fixed vacuum circuit breaker, and a current transformer is arranged in the switch cabinet body and is positioned on the right side of the fixed vacuum circuit breaker. According to the switch cabinet bottom plate capable of increasing the height of the cable chamber, the problems that the distance between the lower edge of an electrified body in the cable chamber and the switch cabinet bottom plate is small due to volume compression, great difficulty is brought to field cable installation and construction, and particularly a cable with a large cross section has great construction difficulty are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of switch cabinets, in particular to a switch cabinet bottom plate which increases the height of a cable room. Background Art

[0002] Fixed high-voltage ring main unit is widely used in power supply and distribution places such as urban residential areas, factories and box-type substations. It is widely promoted and applied due to its small size and low price. However, there are also some defects. For example, due to the compression of the volume, the lower edge of the cable indoor live body is close to the bottom plate of the switch cabinet, which brings great difficulties to the on-site cable installation and construction, especially for cables with larger cross-sections. Based on the above application practices, it is urgent to come up with a proper solution. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] In view of the deficiencies in the prior art, the utility model provides a switch cabinet bottom plate that increases the height of the cable room, thereby solving the problem that the distance between the lower edge of the live body in the cable room and the switch cabinet bottom plate is small due to volume compression, which brings great difficulties to on-site cable installation and construction, especially for cables with relatively large cross-sections, which are very difficult to install.

[0005] (II) Technical solution

[0006] The utility model solves the above-mentioned technical problems with the following technical solutions: a switch cabinet bottom plate for increasing the height of a cable room, comprising a switch cabinet body, a switch cabinet brow installed on the top of the switch cabinet body, a switch cabinet door panel connected to the surface of the switch cabinet body, a circuit breaker mounting plate installed in the switch cabinet body, a fixed vacuum circuit breaker installed on the circuit breaker mounting plate, a lightning arrester installed on the circuit breaker mounting plate, an isolating switch installed in the switch cabinet body and on the top of the fixed vacuum circuit breaker, a current transformer installed in the switch cabinet body and on the right side of the fixed vacuum circuit breaker, an earthing switch installed in the switch cabinet body and on the bottom of the current transformer, a settlement bottom box installed at the bottom of the switch cabinet body, a zero-sequence current transformer mounting plate installed in the settlement bottom box, and a zero-sequence current transformer body installed on the surface of the zero-sequence current transformer mounting plate.

[0007] Preferably, a rectangular through groove is cut out around the bottom plate of the switch cabinet body, that is, the horizontal surface of the bottom plate is in the same plane as or slightly higher than the bottom surface of the switch cabinet body, and the cable hole position reserved on the bottom surface of the switch cabinet body.

[0008] Preferably, the top of the sedimentation bottom box is an open structure and is installed directly below the rectangular through slot.

[0009] Preferably, the top edge of the sinking bottom box is folded outwards to form a folded edge of a certain size, and a screw hole is opened at a certain interval on the folded edge for fixing the sinking bottom box on the bottom plate of the switch cabinet body.

[0010] The beneficial effects of the utility model are:

[0011] 1) The switch cabinet bottom plate for increasing the height of the cable room is to make a rectangular hole around the reserved cable hole position of the bottom plate of the original switch cabinet body, that is, the horizontal surface of the bottom plate is in the same plane as the bottom surface of the switch cabinet body or slightly higher than the bottom surface of the switch cabinet body, and at the same time make a square settlement bottom box without a top surface of the same rectangular size. The edge of the top surface of the settlement bottom box is folded outward to form a folded edge of a certain size, and a screw hole is opened on the folded edge at a certain interval to fix the settlement bottom box on the bottom plate of the switch cabinet body, and the cable hole is placed at the bottom of the settlement bottom box, and the cable clamp and the zero-sequence current transformer body are installed. By installing the settlement bottom box at the bottom of the switch cabinet body, the effective height of the cable room can be increased, the safe clearance from the live body to the bottom of the switch cabinet body is increased, the safety and reliability are improved, and the on-site cable installation operation is facilitated, which has very good practical value. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the prior art structure;

[0013] Figure 2 This is a schematic diagram of the improved structure of the utility model.

[0014] In the figure: 1. Switch cabinet header; 2. Switch cabinet door panel; 3. Fixed vacuum circuit breaker; 4. Circuit breaker mounting plate; 5. Lightning arrester; 6. Zero-sequence current transformer mounting plate; 7. Disconnector; 8. Current transformer; 9. Earthing switch; 10. Zero-sequence current transformer body; 11. Settlement bottom box; 12. Switch cabinet body. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0016] Embodiment 1, by Figure 1-2It is shown that a switch cabinet bottom plate for increasing the height of the cable room includes a switch cabinet body 12, a switch cabinet brow 1 is installed on the top of the switch cabinet body 12, a switch cabinet door panel 2 is connected to the surface of the switch cabinet body 12, a circuit breaker mounting plate 4 is installed in the switch cabinet body 12, a fixed vacuum circuit breaker 3 is installed on the circuit breaker mounting plate 4, a lightning arrester 5 is installed on the circuit breaker mounting plate 4, an isolating switch 7 is installed in the switch cabinet body 12 and on the top of the fixed vacuum circuit breaker 3, a current transformer 8 is installed in the switch cabinet body 12 and on the right side of the fixed vacuum circuit breaker 3, a grounding switch 9 is installed in the switch cabinet body 12 and at the bottom of the current transformer 8, a settlement bottom box 11 is installed at the bottom of the switch cabinet body 12, a zero-sequence current transformer mounting plate 6 is installed in the settlement bottom box 11, and a zero-sequence current transformer body 10 is installed on the surface of the zero-sequence current transformer mounting plate 6.

[0017] The bottom plate of the switch cabinet body 12, that is, the horizontal surface of the bottom plate is in the same plane as the bottom surface of the switch cabinet body 12 or slightly higher than the bottom surface of the switch cabinet body 12. A rectangular through groove is hollowed out around the reserved cable hole position on the bottom surface of the switch cabinet body 12. The top of the settlement bottom box 11 is an open structure and is installed directly below the rectangular through groove.

[0018] The top edge of the sinking bottom box 11 is folded outward to form a folded edge of a certain size, and a screw hole is opened at a certain interval on the folded edge for fixing the sinking bottom box 11 on the bottom plate of the switch cabinet body 12.

[0019] By setting up this structure, the bottom plate of the original switch cabinet body 12, that is, the horizontal plane of the bottom plate, is in the same plane as or slightly higher than the bottom surface of the switch cabinet body 12, and a rectangular piece is hollowed out around the cable hole position reserved on the bottom surface of the switch cabinet body 12, and at the same time, a square settlement bottom box 11 without a top surface and of the same rectangular size is made. The edge of the top surface of the settlement bottom box 11 is folded outward to form a folded edge of a certain size, and a screw hole is opened on the folded edge at a certain interval for fixing the settlement bottom box 11 to the bottom plate of the switch cabinet body 12, and a cable hole is placed at the bottom of the settlement bottom box 11, and a cable clamp and a zero-sequence current transformer body 10 are installed. By installing the settlement bottom box 11 at the bottom of the switch cabinet body 12, the effective height of the cable room can be increased, the safe clearance from the live body to the bottom of the switch cabinet body 12 is increased, the safety reliability is improved, and the on-site cable installation operation is facilitated, which has very good practical value.

[0020] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0021] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A switch cabinet bottom plate for increasing the height of a cable room, comprising a switch cabinet body (12), characterized in that: A switch cabinet head (1) is installed on the top of the switch cabinet body (12); a switch cabinet door panel (2) is connected to the surface of the switch cabinet body (12); a circuit breaker mounting plate (4) is installed in the switch cabinet body (12); a fixed vacuum circuit breaker (3) is installed on the circuit breaker mounting plate (4); a lightning arrester (5) is installed on the circuit breaker mounting plate (4); an isolating switch (7) is installed in the switch cabinet body (12) and on the top of the fixed vacuum circuit breaker (3); A current transformer (8) is installed in the switch cabinet body (12) and located on the right side of the fixed vacuum circuit breaker (3); a grounding switch (9) is installed in the switch cabinet body (12) and located at the bottom of the current transformer (8); a settlement bottom box (11) is installed at the bottom of the switch cabinet body (12); a zero-sequence current transformer mounting plate (6) is installed in the settlement bottom box (11); and a zero-sequence current transformer body (10) is installed on the surface of the zero-sequence current transformer mounting plate (6).

2. The switch cabinet bottom plate for increasing the height of the cable room according to claim 1, characterized in that: The bottom plate of the switch cabinet body (12), i.e., the bottom plate horizontal surface is in the same plane as the bottom surface of the switch cabinet body (12) or slightly higher than the bottom surface of the switch cabinet body (12), and a rectangular through groove is hollowed out around the reserved cable hole position on the bottom surface of the switch cabinet body (12).

3. The switch cabinet bottom plate for increasing the height of the cable room according to claim 1, characterized in that: The top of the sedimentation bottom box (11) is an open structure and is installed just below the rectangular through slot.

4. The switch cabinet bottom plate for increasing the height of the cable room according to claim 1, characterized in that: The top edge of the sinking bottom box (11) is folded outward to form a folded edge of a certain size, and a screw hole is opened at a certain distance on the folded edge for fixing the sinking bottom box (11) on the bottom plate of the switch cabinet body (12).

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