CN205231498U - Dustproof block terminal of open -air lightning protection - Google Patents

Abstract

The utility model relates to a lightning-proof and dust-proof power distribution box in the field, which includes a fixed bracket and a box body. The fixed bracket includes a support plate and several support feet fixedly arranged at the bottom of the support plate. There is a lightning protection grounding body; the box body is fixedly connected with the support plate, the box body includes a conductive metal outer shell and an insulating inner shell, the bottom of the box body is provided with a draft cooling fan, and the box body The top is provided with a cooling port; the metal casing is fixedly provided with a lightning rod; the side of the box is provided with connection terminals, wherein a surge protector and a circuit breaker are serially connected to the connection terminals for input. The field lightning protection and dustproof power distribution box described in the utility model has the advantages of reasonable structure, simple structure, convenient use, lightning protection and dustproof, etc. good question.

Description

A field lightning protection and dustproof distribution box

technical field

The utility model relates to the field of electric power engineering equipment, in particular to a field lightning-proof and dust-proof power distribution box.

Background technique

Known distribution box is the necessary power control equipment in electric power engineering, and its main function is to be used for the device of centralized installation switch, instrument lamp electrical equipment. With the rapid development of urban power distribution networks, power distribution equipment must not only have high electrical interface management functions, but also have safety and stability. It is often necessary to use distribution boxes in the field during power construction, but the field environment is dusty. Many, and the current distribution box is generally composed of a control board, a metal case and connecting wires. In order to take into account the heat dissipation function of the distribution box, heat dissipation through holes are often opened on the metal case, resulting in poor dustproof ability, and the metal case and the control board Once dust accumulates on the control board or the distribution box is struck by lightning, it may cause a safety accident.

Contents of the invention

The technical problem to be solved by the utility model is: in order to overcome the above-mentioned problems, a field lightning protection and dustproof power distribution box is provided, which has a reasonable structure, simple structure, convenient use, lightning protection and dustproof, etc. Solve the problem of poor lightning protection and dustproof effect when the traditional distribution box is used in the field.

The technical scheme adopted by the utility model to solve the technical problem is: a field lightning protection and dustproof power distribution box, including a fixed bracket and a box body, and the fixed bracket includes a support plate and several fixedly arranged at the bottom of the support plate. A supporting foot, the lightning protection grounding body is arranged on the supporting foot;

The box body is fixedly connected with the support plate, the box body includes a conductive metal outer shell and an insulating inner shell, the bottom of the box body is provided with a draft cooling fan, and the top of the box body is provided with a heat dissipation port; A lightning rod is fixedly arranged on the metal outer shell; connecting terminals are arranged on the side of the box body, wherein a surge protector and a circuit breaker are serially connected to the connecting terminal for input.

As a preferred solution, the fixed bracket is made of stainless steel.

As a preferred solution, the heat dissipation fan is provided with a first dust-proof net.

As a preferred solution, a second dust-proof net is arranged on the heat dissipation opening.

As a preferred solution, the lightning rod and the ground wire of the surge protector are electrically connected to the lightning protection ground body respectively.

The beneficial effects of the utility model are: a field lightning protection and dustproof power distribution box, including a fixed bracket and a box body, wherein the box body is composed of a metal shell and an insulating shell, avoiding direct contact between the metal shell and the control panel, and the metal shell There is a lightning rod, a surge protector and a circuit breaker are installed in the box, the fixed bracket is fixedly connected with the metal shell, and a lightning protection grounding body is installed on the supporting foot of the fixed bracket, the ground wire of the surge protector, the lightning rod and the anti- The lightning grounding bodies are connected to each other to enhance the lightning protection performance; the box body is equipped with an exhaust fan with a dust-proof net and a heat dissipation port, taking into account both dust prevention and heat dissipation; its structure is reasonable, and it has the advantages of simple structure, convenient use, lightning protection and dustproof, etc. , effectively solve the problem of poor lightning protection and dustproof effect when traditional distribution boxes are used in the field.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Fig. 1 is a schematic diagram of the overall structure of a field lightning protection and dustproof distribution box according to the utility model.

The marks in the accompanying drawings are described as follows: 1, fixed bracket, 11, support plate, 12, support feet, 121, lightning protection grounding body, 2, box body, 21, metal outer shell, 22, inner shell, 23, heat dissipation Fan, 231, the first dust-proof net, 24, the cooling port, 241, the second dust-proof net, 25, the connection terminal, 26, the surge protector, 27, the circuit breaker, 28, the lightning rod.

detailed description

Now in conjunction with accompanying drawing, the utility model is described in further detail. These drawings are all simplified schematic diagrams, and only schematically illustrate the basic structure of the utility model, so they only show the configurations related to the utility model.

As shown in Figure 1, a field lightning protection and dustproof distribution box includes a fixed bracket 1 and a box body 2. The fixed bracket 1 includes a support plate 11 and several support feet 12 fixedly arranged at the bottom of the support plate 11. , the support foot 12 is provided with a lightning protection grounding body 121;

The box 2 is fixedly connected with the support plate 11. The box 2 includes a conductive metal outer shell 21 and an insulating inner shell 22. The bottom of the box 2 is provided with a draft cooling fan 23. The box body The top of 2 is provided with a heat dissipation port 24; the metal shell 21 is fixedly provided with a lightning rod 28; the side of the box 2 is provided with connection terminals 25, wherein the connection terminals 25 for input are sequentially connected in series with surge A protector 26 and a circuit breaker 27 .

The fixed bracket 1 is made of stainless steel; the cooling fan 23 is provided with a first dust-proof net 231; the heat dissipation port 24 is provided with a second dust-proof net 241; the lightning rod 28, electric The ground wires of the surge protector 26 are electrically connected to the lightning protection grounding body 121 respectively.

A field lightning-proof and dust-proof power distribution box described in the utility model includes a fixed bracket and a box body, wherein the box body is composed of a metal shell and an insulating shell to avoid direct contact between the metal shell and the control panel, and the metal shell is provided with Lightning rod, surge protector and circuit breaker are installed in the box, the fixed bracket is fixedly connected with the metal shell, and the lightning protection grounding body is set on the supporting foot of the fixing bracket, the ground wire of the surge protector, the lightning rod and the lightning protection grounding The body is connected with each other to enhance the performance of lightning protection; the box body is equipped with an exhaust fan and a heat dissipation port with a dust-proof net, taking into account both dust prevention and heat dissipation; Solve the problem of poor lightning protection and dustproof effect when the traditional distribution box is used in the field.

Inspired by the above-mentioned ideal embodiment according to the utility model, and through the above-mentioned description content, relevant staff can completely make various changes and modifications within the scope of not deviating from the technical idea of the utility model. The technical scope of this utility model is not limited to the content in the description, but must be determined according to the scope of the claims.

Claims (5)

1. a field lightning protection dustproof distributor box, it is characterized in that: comprise fixed support (1) and casing (2), described fixed support (1) comprises one piece of supporting bracket (11) and is fixedly installed on some feets (12) of supporting bracket (11) bottom, and described feet (12) is provided with lightning-proof grounding body (121);

Described casing (2) is mutually permanently connected with described supporting bracket (11), casing (2) comprises the metal shell body (21) of conduction and the Inner housing (22) of insulation, the bottom of casing (2) is provided with air-draft-type radiator fan (23), and the top of casing (2) is provided with thermovent (24); Described metal shell body (21) is fixedly installed lightning rod (28); Described casing (2) side is provided with splicing ear (25), is wherein in series with surge protector (26) and circuit breaker (27) successively on the splicing ear (25) that inputs.

2. a kind of field lightning protection dustproof distributor box according to claim 1, is characterized in that: described fixed support (1) is that stainless steel is made.

3. a kind of field lightning protection dustproof distributor box according to claim 1, is characterized in that: described radiator fan (23) is provided with the first Air Filter (231).

4. a kind of field lightning protection dustproof distributor box according to claim 1, is characterized in that: described thermovent (24) is provided with the second Air Filter (241).

5. a kind of field lightning protection dustproof distributor box according to claim 1, is characterized in that: described lightning rod (28), the ground wire of surge protector (26) are electrically connected to each other with lightning-proof grounding body (121) respectively.