Outdoor lightning protection power distribution cabinet

Abstract

The utility model discloses an outdoor lightning protection power distribution cabinet, which belongs to the field of power distribution cabinets and comprises a cabinet body, a cabinet door is arranged on the cabinet body, and a top plate is arranged at the top of the cabinet body. The lightning protection structure is arranged, the lightning rod is connected to the installation frame through the installation head, rapid installation and disassembly can be achieved, the first insulation sleeve and the second insulation sleeve are arranged on the side wall of the cabinet body, the grounding wire is protected, the U-shaped hole is formed in the lower end of the second insulation sleeve, and the abutting piece, the connecting rod, the spring and other structures are arranged in the U-shaped hole. The ground wire can be clamped and fixed, the stability of the end, close to the ground, of the ground wire is guaranteed, then stable connection between the ground wire and the grounding assembly is guaranteed, a control panel and a handle are installed in the grounding assembly through a threaded connector, installation and detachment of a grounding plate are facilitated, a dispersing sleeve, a contact piece and a dispersing plate are arranged at the lower end of a grounding rod, and the grounding rod is convenient to install and detach. The power dispersion rate can be increased, and the lightning protection effect is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of power distribution cabinet, in particular to a lightning protection power distribution cabinet for outdoor. BACKGROUND

[0002] The power distribution cabinet, also known as a distribution box, is a general term for motor control centers. It assembles switchgear, measuring instruments, protective appliances and auxiliary equipment in a closed or semi-closed metal cabinet or screen according to electrical wiring requirements, thus forming a low-voltage power distribution device. The power distribution cabinet is divided into outdoor power distribution cabinet and indoor power distribution cabinet according to the use scene. In addition to the requirement that the power distribution cabinet has good dustproof and waterproof effect, the power distribution cabinet for outdoor use is usually equipped with a lightning protection structure to realize lightning protection of the power distribution cabinet and protect the normal operation of the power distribution cabinet.

[0003] In the existing lightning protection type power distribution cabinet, the lightning protection structure is composed of a lightning rod, a wire and a grounding rod. The wire is directly exposed to the outside and is easy to damage. The grounding rod structure is simple, and the power conduction dispersion effect is general. It cannot quickly conduct electricity and disperse, resulting in general lightning protection effect of the whole lightning protection structure, and the power dispersion is not timely, which still has adverse effects on the internal elements of the power distribution cabinet. UTILITY MODEL CONTENTS

[0004] The main purpose of the utility model is to provide a lightning protection power distribution cabinet for outdoor, which can effectively solve the problems in the background art.

[0005] To achieve the above purpose, the technical scheme adopted by the utility model is:

[0006] A lightning protection power distribution cabinet for outdoor, comprising a cabinet body, a cabinet door is arranged on the cabinet body, a top plate is arranged on the top of the cabinet body, a lightning protection structure is installed on the side wall of the cabinet body and the top plate, and the lightning protection structure comprises a mounting frame, a lightning rod, a mounting head, a first insulating sleeve, a second insulating sleeve, a grounding assembly and a grounding wire. The mounting frame is arranged on the top plate, the lightning rod is mounted on the mounting frame through the mounting head, the first insulating sleeve and the second insulating sleeve are fixedly connected, the grounding assembly is connected with the grounding wire, the grounding wire penetrates through the first insulating sleeve and the second insulating sleeve, and the upper end of the grounding wire is connected to the mounting head.

[0007] Preferably, the side wall of the cabinet body is provided with a heat dissipation hole, and the lower end of the cabinet body is provided with a bottom maintenance plate.

[0008] Preferably, the lightning protection structure further comprises a mounting plate, a mounting block, a U-shaped hole, an abutting piece, a connecting rod, a spring and a limiting rod, the mounting frame is provided with a threaded hole, the mounting head is threadedly connected in the threaded hole of the mounting frame, the mounting plate is fixed on the cabinet body, the first insulating sleeve is mounted on the mounting plate, the mounting block is fixedly connected with the second insulating sleeve, and the mounting block is fixed on the mounting plate through screws.

[0009] Preferably, the U-shaped hole is formed in the lower end of the second insulating sleeve, the abutting piece is fixedly connected with the connecting rod, the connecting rod penetrates through the second insulating sleeve, the spring is sleeved on the connecting rod, and the limiting rod is arranged at the tail end of the connecting rod.

[0010] Preferably, the grounding assembly comprises a grounding rod, a threaded joint, a control plate, a handle, a dispersing sleeve, a contact piece and a dispersing plate, the grounding rod is fixedly connected with the threaded joint, the control plate is mounted on the threaded joint, the handle is symmetrically arranged on the control plate, the contact piece is mounted in the interior of the dispersing sleeve, and the dispersing plate is fixed on the dispersing sleeve, and the dispersing plate and the contact piece are arranged in an annular array on the dispersing sleeve.

[0011] Compared with the prior art, the utility model has the advantages that: the lightning protection structure is arranged, the lightning rod is connected on the mounting frame through the mounting head, can be installed and disassembled quickly, the first insulating sleeve and the second insulating sleeve are arranged on the side wall of the cabinet body, play a protective role on the grounding wire, prolong the service life of the grounding wire to a certain extent, the second insulating sleeve is installed through the mounting block and the screw, is convenient to disassemble and install and disassemble the grounding wire, the U-shaped hole is formed in the lower end of the second insulating sleeve, the abutting piece, the connecting rod and the spring are arranged in the U-shaped hole, can play the role of clamping and fixing the grounding wire, guarantee the stability of the grounding wire close to the ground, and further guarantee the stable connection between the grounding wire and the grounding assembly, the control plate and the handle are installed in the grounding assembly through the threaded joint, are convenient to install and disassemble the grounding plate, the dispersing sleeve, the contact piece and the dispersing plate are arranged at the lower end of the grounding rod, can increase the dispersing rate of electric power and strengthen the lightning protection effect. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a whole structure schematic view of the utility model;

[0013] Figure 2 It is a structure schematic view of the lightning protection structure of the utility model;

[0014] Figure 3 It is the utility model Figure 2 It is an enlarged view of A in the utility model;

[0015] Figure 4 It is a structure schematic view of the grounding assembly of the utility model.

[0016] In the figure: 1, cabinet body; 2, cabinet door; 3, top plate; 4, lightning protection structure; 401, mounting bracket; 402, lightning rod; 403, mounting head; 404, mounting plate; 405, first insulating sleeve; 406, mounting block; 407, second insulating sleeve; 408, grounding assembly; 4081, grounding rod; 4082, threaded joint; 4083, control plate; 4084, handle; 4085, dispersion sleeve; 4086, contact sheet; 4087, dispersion plate; 409, grounding wire; 410, U-shaped hole; 411, abutting piece; 412, connecting rod; 413, spring; 414, limiting rod; 5, bottom maintenance plate; 6, heat dissipation hole. DETAILED DESCRIPTION

[0017] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0018] As shown in Figures 1-4 A lightning protection power distribution cabinet for outdoor, comprising a cabinet body 1, the cabinet body 1 is provided with a cabinet door 2, and the top of the cabinet body 1 is provided with a top plate 3, the side wall of the cabinet body 1 and the top plate 3 is installed with a lightning protection structure 4, the side wall of the cabinet body 1 is provided with a heat dissipation hole 6, and the lower end of the cabinet body 1 is provided with a bottom maintenance plate 5.

[0019] When setting up an outdoor power distribution cabinet, place the power distribution cabinet in a suitable place, install the lightning protection structure 4 on the side of the cabinet body 1 and the top plate 3, connect the circuit after setting the related elements inside the cabinet body 1, and the power distribution cabinet can be used, during use, the heat dissipation hole 6 plays a heat dissipation role, ensuring that the temperature inside the cabinet body 1 will not be too high, the cabinet door 2 can be quickly opened, facilitating the maintenance and replacement of the elements inside the cabinet body 1, when encountering thunderstorm weather, the lightning protection structure 4 plays a role of lightning attraction and conduction, avoiding the effect of lightning on the cabinet body 1, ensuring the normal use of the elements inside the cabinet body 1, and the entire power distribution cabinet has good lightning protection effect.

[0020] Through the above implementation, the lightning protection structure 4 includes a mounting frame 401, a lightning rod 402, a mounting head 403, a first insulating sleeve 405, a second insulating sleeve 407, a grounding assembly 408 and a grounding wire 409, the mounting frame 401 is arranged on the top plate 3, the lightning rod 402 is mounted on the mounting frame 401 through the mounting head 403, the first insulating sleeve 405 and the second insulating sleeve 407 are fixedly connected, the grounding assembly 408 is connected with the grounding wire 409, the grounding wire 409 penetrates through the first insulating sleeve 405 and the second insulating sleeve 407, and the upper end of the grounding wire 409 is connected to the mounting head 403. The lightning protection structure 4 further includes a mounting plate 404, a mounting block 406, a U-shaped hole 410, an abutting piece 411, a connecting rod 412, a spring 413 and a limiting rod 414, the mounting frame 401 is provided with a threaded hole, the mounting head 403 is threadedly connected in the threaded hole of the mounting frame 401, the mounting plate 404 is fixed on the cabinet body 1, the first insulating sleeve 405 is mounted on the mounting plate 404, the mounting block 406 is fixedly connected with the second insulating sleeve 407, and the mounting block 406 is fixed on the mounting plate 404 through a screw. The U-shaped hole 410 is arranged at the lower end of the second insulating sleeve 407, the abutting piece 411 is fixedly connected with the connecting rod 412, the connecting rod 412 penetrates through the second insulating sleeve 407, the spring 413 is sleeved on the connecting rod 412, and the limiting rod 414 is arranged at the terminal end of the connecting rod 412.

[0021] The grounding assembly 408 includes a grounding rod 4081, a threaded joint 4082, a control plate 4083, a handle 4084, a dispersion sleeve 4085, a contact piece 4086 and a dispersion plate 4087, the grounding rod 4081 is fixedly connected with the threaded joint 4082, the control plate 4083 is mounted on the threaded joint 4082, the handle 4084 is symmetrically arranged on the control plate 4083, the contact piece 4086 is mounted in the interior of the dispersion sleeve 4085, the dispersion plate 4087 is fixed on the dispersion sleeve 4085, and the dispersion plate 4087 and the contact piece 4086 are annularly arranged on the dispersion sleeve 4085.

[0022] In the installation of the lightning protection structure 4, the lightning rod 402 is installed on the mounting frame 401 by the mounting head 403, the dispersion sleeve 4085 and the dispersion plate 4087 are buried in the ground near the power distribution cabinet, the lower end of the grounding rod 4081 is inserted into the dispersion sleeve 4085, the grounding rod 4081 is in elastic contact with the contact piece 4086, then the control plate 4083 is arranged on the threaded joint 4082, the grounding rod 4081 is continuously moved downward through the control plate 4083 until the grounding rod 4081 is installed. Then the two ends of the grounding wire 409 are connected to the mounting head 403 and the grounding rod 4081 respectively, the grounding wire 409 is ensured to be located in the first insulating sleeve 405, the second insulating sleeve 407 is covered on the first insulating sleeve 405, the mounting block 406 is fixed to the mounting plate 404 by screws, and then the fixation of the two insulating sleeves is completed, then the lower end of the grounding wire 409 is fine-tuned so that the lower end of the grounding wire 409 passes through the two abutting pieces 411 in the U-shaped hole 410, at this time the spring 413 is in a compressed state, under the action of the spring 413, the abutting pieces 411 play a clamping role on the grounding wire 409, thereby ensuring the stability of the grounding wire 409, during the whole process, the connecting rod 412 moves on the second insulating sleeve 407, and the limiting rod 414 plays a limiting and anti-falling role. After the lightning protection structure 4 is installed, it is used.

[0023] In use, when encountering thunderstorm weather, after lightning strikes the lightning rod 402, electricity is conducted to the grounding rod 4081 through the grounding wire 409, then conducted to the dispersion sleeve 4085 through the contact piece 4086, and finally dispersed and conducted through the dispersion plate 4087, which can improve the dispersion efficiency of the power transmission and increase the lightning protection effect. If the grounding assembly 408 needs to be disassembled, the control plate 4083 is subjected to a force by the handle 4084, thereby lifting the grounding rod 4081, and then the dispersion sleeve 4085 and other structures are taken out by digging the ground, which is simple in structure and high in operation convenience.

[0024] The above describes the use principle, characteristics and beneficial effects of the utility model. Related personnel in the art can understand from the above that the above does not limit the utility model, and the above examples and description of the specification describe the basic principle and characteristics of the utility model. Under the premise of meeting the concept of the utility model, the utility model can also be variously changed and improved, and these improvements should fall within the scope of the utility model claimed.

Claims

1. An outdoor lightning protection power distribution cabinet, comprising a cabinet body (1), a cabinet door (2) is arranged on the cabinet body (1), and a top plate (3) is arranged on the top of the cabinet body (1), characterized in that: The side wall of the cabinet body (1) and the top plate (3) is provided with a lightning protection structure (4), and the lightning protection structure (4) comprises a mounting frame (401), a lightning rod (402), a mounting head (403), a first insulating sleeve (405), a second insulating sleeve (407), a grounding assembly (408) and a grounding wire (409), the mounting frame (401) is arranged on the top plate (3), the lightning rod (402) is mounted on the mounting frame (401) through the mounting head (403), the first insulating sleeve (405) and the second insulating sleeve (407) are fixedly connected, the grounding assembly (408) is connected with the grounding wire (409), and the grounding wire (409) penetrates through the first insulating sleeve (405) and the second insulating sleeve (407), and the upper end of the grounding wire (409) is connected to the mounting head (403).

2. The lightning protection power distribution cabinet for outdoor use according to claim 1, characterized in that: The side wall of the cabinet body (1) is provided with a heat dissipation hole (6), and the lower end of the cabinet body (1) is provided with a bottom maintenance plate (5).

3. The lightning-protected power distribution cabinet for outdoor use according to claim 2, characterized in that: The lightning protection structure (4) further comprises a mounting plate (404), a mounting block (406), a U-shaped hole (410), an abutting piece (411), a connecting rod (412), a spring (413) and a limiting rod (414), the mounting frame (401) is provided with a threaded hole, the mounting head (403) is threadedly connected in the threaded hole of the mounting frame (401), the mounting plate (404) is fixed on the cabinet body (1), the first insulating sleeve (405) is mounted on the mounting plate (404), the mounting block (406) is fixedly connected with the second insulating sleeve (407), and the mounting block (406) is fixed on the mounting plate (404) by screws.

4. The lightning-protected power distribution cabinet for outdoor use according to claim 3, characterized in that: The U-shaped hole (410) is arranged at the lower end of the second insulating sleeve (407), the abutting piece (411) and the connecting rod (412) are fixedly connected, and the connecting rod (412) penetrates through the second insulating sleeve (407), the spring (413) is sleeved on the connecting rod (412), and the limiting rod (414) is arranged at the end of the connecting rod (412).

5. The lightning-protected power distribution cabinet for outdoor use according to claim 4, characterized in that: The grounding assembly (408) comprises a grounding rod (4081), a threaded joint (4082), a control plate (4083), a handle (4084), a dispersion sleeve (4085), a contact piece (4086) and a dispersion plate (4087), the grounding rod (4081) and the threaded joint (4082) are fixedly connected, the control plate (4083) is mounted on the threaded joint (4082), the handle (4084) is symmetrically arranged on the control plate (4083), the contact piece (4086) is mounted in the dispersion sleeve (4085), the dispersion plate (4087) is fixed on the dispersion sleeve (4085), and the dispersion plate (4087) and the contact piece (4086) are arranged in an annular array on the dispersion sleeve (4085).

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