CN210071972U

CN210071972U - Lightning protection and dust removal transformer box with fault detection device

Info

Publication number: CN210071972U
Application number: CN201920705459.XU
Authority: CN
Inventors: 杨明亮; 王志方; 王国微
Original assignee: Henan Ji Tai Electric Applicance Co Ltd
Current assignee: Henan Ji Tai Electric Applicance Co Ltd
Priority date: 2019-05-17
Filing date: 2019-05-17
Publication date: 2020-02-14
Anticipated expiration: 2029-05-17

Abstract

The utility model discloses a lightning protection dust removal transformer case that possesses fault detection device, the power distribution box comprises a box body, the box top is provided with insulating cover plate, the insulating cover plate top is fixed with the base and is connected with the lightning rod, install the rain-proof eaves between insulating cover plate and the box top, cabinet body front mounted has the heat dissipation window, there is the door below the heat dissipation window, the door passes through the hinge and is connected with box one side, there is the handle on the door, the air intake is installed to box left side board, the air outlet is installed to the right side board, there is the movable rod air intake one side to install, there is the muffjoint ground lead respectively from top to bottom the movable rod, the position is fixed with the stopper about the.

Description

Lightning protection and dust removal transformer box with fault detection device

Technical Field

The utility model relates to a power equipment field specifically is a lightning protection dust removal transformer case that possesses fault detection device.

Background

The transformer box is used for power generation, power transmission, power distribution, electric energy conversion and consumption of an electric power system, plays roles of on-off, control or protection and the like, and is mainly suitable for various different places such as power plants, transformer substations, petrochemical industry, metallurgical steel rolling, light industrial textiles, industrial and mining enterprises, residential quarters and the like.

Because the circuit structures required by the places are complex, once voltage instability or line faults occur, the fault position cannot be found at the first time, subsequent rush repair maintenance work is influenced, and greater economic loss is brought. Therefore, a transformer box with a fault detection function appears in the market at present, and the stability of current in an incoming line and an outgoing line is mainly detected through a current transformer. Wind gap has all been seted up to general transformer case, but because the transformer case is mostly in the open air, can lead to dust siltation at the air intake for a long time, influence the inside heat dissipation of transformer case, and then influence component life, and the high-voltage board is mostly metal material and makes, and lightning protection effect is relatively poor, especially suffers the thunderbolt easily in spacious place, causes the component to damage or more serious safety problem, influences component life, therefore the urgent need of market a lightning protection dust removal transformer case that possesses fault detection device solves these problems.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide a lightning protection dust removal transformer case that possesses fault detection device when outdoor use, can prevent thunder effectively, possesses the circuit fault detection function simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a lightning protection dust removal transformer case that possesses fault detection device, the power distribution box comprises a box body, the box top is decided and is connected with insulating cover plate, insulating cover plate top is connected with the base, the lightning rod is fixed in the middle of the base, open the through-hole bottom the base, the ground lead passes the through-hole and is connected with the lightning rod, the metal mesh of burying deeply under the ground is connected to the ground lead bottom, rain-proof eaves inner circle passes through the inflation screw to be fixed around insulating cover plate, the door that articulates in box one side through the hinge is preceding to the box, it has the heat dissipation window to open on the door, box both sides are opened has air intake and air outlet that link up the box inside, movable rod is installed to air intake one side, the box is; the movable rod is in a bow shape, the length of the movable rod is greater than the distance between the upper end and the lower end of the grounding lead, the inner part of the movable rod is made of metal materials, and the surface of the movable rod is wrapped by a high-temperature resistant rubber insulating layer; sleeves are fixed at the upper end and the lower end of the movable rod and made of insulating ceramic materials, and the upper section and the lower section of the grounding lead are respectively inserted into the sleeves and are connected with the metal layer of the movable rod; through the elasticity of the movable rod, the metal layer inside the movable rod is tightly connected with the grounding lead, the upper end and the lower end of the middle of the movable rod are respectively fixed with a limiting block, and an electrostatic brush is movably arranged between the upper limiting block and the lower limiting block.

As a further aspect of the present invention: the base for fixing the lightning rod is made of insulating materials.

As a further aspect of the present invention: the inside of the grounding lead is made of high-hardness steel with the diameter of 3cm, the outer surface of the grounding lead is coated with a rubber insulating layer, and the heat resistance is high.

As a further aspect of the present invention: dustproof filter screens are installed on the heat dissipation window, the air inlet and the air outlet.

As a further aspect of the present invention: the handle department of static brush installs the sliding sleeve, and the sliding sleeve is the cylinder, and sliding sleeve one side articulates on the handle through the hinge, and the opposite side passes through the bolt fastening on the handle, and the movable rod passes the sliding sleeve.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses increased the lightning rod on original basis and connected ground lead, can prevent effectively that the transformer case from suffering the thunderbolt.

2. Through the static brush that sets up at the air intake, can manual clearance depend on the dust on the air intake window leaf, strengthen the inside cleanliness of transformer case effectively.

3. The utility model discloses business turn over line mouth at the transformer case sets up current transformer, and voltage or current change appear when the internal circuit, can clearly judge through current transformer, the subsequent maintenance work of salvageing of being convenient for.

Drawings

Fig. 1 is a front view of a lightning protection and dust removal transformer box with a fault detection device.

Fig. 2 is a schematic structural diagram of an electrostatic brush in a lightning protection and dust removal transformer box with a fault detection device.

Fig. 3 is a schematic connection diagram of a movable rod in a lightning protection dust removal transformer box with a fault detection device.

FIG. 4 is a side view of a lightning protection and dust removal substation with a fault detection device

In the figure: as shown in the figure: 1. a box body; 2. an insulating cover plate; 3. a base; 4. a lightning rod; 5. a ground lead; 6. a metal mesh; 7. rain eaves are prevented; 8. a heat dissipation window; 9. a door; 10. a handle; 11. an air inlet; 12. an air outlet; 13. a movable rod; 14. a limiting block; 15. an electrostatic brush; 16. a bolt; 17. a sliding sleeve; 18. a hinge; 19. a grip; 20. a sleeve; 21. a rubber insulating layer; 22. a current transformer; 23. and a wire inlet and outlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, in an embodiment of the present invention, a lightning protection and dust removal transformer box with a fault detection device includes a box body 1, an insulating cover plate 2 is fixedly connected to the top of the box body 1, a base 3 is connected to the top of the insulating cover plate 2, a lightning rod 4 is fixed in the middle of the base 3, a through hole is formed in the bottom of the base 3, a grounding lead 5 penetrates through the through hole to be connected with the lightning rod 4, the bottom of the grounding lead 5 is connected with a metal mesh 6 deeply buried under a foundation, an inner ring of a rain-proof eave 7 is fixed around the insulating cover plate 2 through an expansion screw, a door 9 hinged to one side of the box body through a hinge is arranged in front of the box body 1, a heat dissipation window 8 is formed in the door 9, an air inlet 11 and an air outlet 12 penetrating through the interior of the box body are formed in two sides of the box body 1, a movable rod 13 is installed on one side of; the movable rod 13 is in a bow shape, the length of the movable rod is larger than the distance between the grounding leads 5 connected with the upper end and the lower end, the inner part of the movable rod 13 is made of metal materials, and the surface of the movable rod is wrapped by a high-temperature resistant rubber insulating layer 21; sleeves 20 are fixed at the upper end and the lower end of the movable rod 13, the sleeves are made of insulating ceramic materials, and the upper section and the lower section of the grounding lead are respectively inserted into the sleeves 20 and are connected with the metal layer of the movable rod 13; through the elasticity of the movable rod, the metal layer inside the movable rod is tightly connected with the grounding lead 5, the upper end and the lower end of the middle of the movable rod 13 are respectively fixed with a limiting block 14, and an electrostatic brush 15 is movably arranged between the upper limiting block and the lower limiting block 14.

The base 3 for fixing the lightning rod 4 is made of insulating material, so that lightning can be effectively prevented from contacting the box body 1 in actual use.

The inside high rigidity steel that is the diameter 3cm of ground lead 5 makes, and the surface scribbles rubber insulation layer, and the heat resistance is higher, and the movable rod can be fixed completely to the steel material of high rigidity, can not appear droing because of gravity, and the rubber layer prevents to lead to the circuit to damage because of the thunderbolt.

Dustproof filter screens are arranged on the heat dissipation window 8, the air inlet 11 and the air outlet 12, and rainwater, sundries and dust can be reduced to the greatest extent to enter the box body 1 while ventilation and heat dissipation are achieved.

The handle 19 of the electrostatic brush 15 is provided with a sliding sleeve 17, the sliding sleeve 17 is a cylinder, one side of the sliding sleeve 17 is hinged on the handle 19 through a hinge 18, the other side of the sliding sleeve 17 is fixed on the handle 19 through a bolt 16, a movable rod 13 penetrates through the sliding sleeve 17, the electrostatic brush 15 is movably connected, the sliding sleeve can be opened through a rotating bolt of the electrostatic brush 15, and the electrostatic brush is detached and is convenient to replace.

The utility model discloses in use can pour the thunder and lightning into the ground end effectively through the metal mesh of lightning rod, ground lead, movable rod and ground depths, prevents because the component damage and accident appear in the thunder and lightning. In actual operation operating personnel can hold the static brush on one hand, rotate the movable rod on the other hand, carry out omnidirectional clearance to the wind gap filter screen, and is convenient succinct, is provided with current transformer at business turn over line mouth simultaneously, can accurate feedback through the voltage condition that current transformer will detect, has made things convenient for operating personnel to inspect, maintain and trouble to salvage.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention, and the following claims are therefore to be read in this light of the appended claims.

Claims

1. The utility model provides a lightning protection dust removal transformer case that possesses fault detection device, including box (1), a serial communication port, box (1) top is decided and is connected with insulating cover plate (2), insulating cover plate (2) top is connected with base (3), lightning rod (4) are fixed in the middle of base (3), open base (3) bottom has the through-hole, ground lead (5) pass the through-hole and are connected with lightning rod (4), ground lead (5) bottom is connected and is buried metal mesh (6) under the ground deeply, rain-proof eaves (7) inner circle passes through the inflation screw to be fixed around insulating cover plate (2), box (1) is preceding to have door (9) through hinge box one side, it has radiator window (8) to open on door (9), box (1) both sides are opened has air intake (11) and air outlet (12) that link up the box is inside, movable rod (13) are installed to air intake (11) one, a wire inlet and outlet (23) is reserved at the top of the side surface of the box body (1) provided with the air outlet, and a current transformer (22) is fixedly connected to the outer side of the wire inlet and outlet (23); the movable rod (13) is in a bow shape, the length of the movable rod is larger than the distance between the upper end and the lower end of the grounding lead (5), the inner part of the movable rod (13) is made of metal materials, the surface of the movable rod is wrapped by a high-temperature resistant rubber insulating layer (21), sleeves (20) are fixed at the upper end and the lower end of the movable rod (13), the sleeves are made of insulating ceramic materials, and the upper section and the lower section of the grounding lead are respectively inserted into the sleeves (20) and are connected with the metal layers of the movable rod; through the elasticity of the movable rod, the metal layer inside the movable rod is tightly connected with the grounding lead (5), the upper end and the lower end of the middle of the movable rod (13) are respectively fixed with a limiting block (14), and an electrostatic brush (15) is movably arranged between the upper limiting block and the lower limiting block (14).

2. The lightning protection and dust removal transformer box with fault detection device of claim 1, characterized in that the base (3) for fixing the lightning rod (4) is made of insulating material.

3. The lightning protection and dust removal transformer box with the fault detection device according to claim 1, wherein the grounding lead (5) is made of high-hardness steel with a diameter of 3cm inside, and has a rubber insulation layer coated on the outer surface and high heat resistance.

4. The lightning protection and dust removal transformer box with the fault detection device according to claim 1, wherein the heat dissipation window (8), the air inlet (11) and the air outlet (12) are provided with dustproof filter screens.

5. The lightning protection and dust removal transformer box with the fault detection device according to claim 1, wherein a sliding sleeve (17) is installed at a handle (19) of the electrostatic brush (15), the sliding sleeve (17) is a cylinder, one side of the sliding sleeve (17) is hinged to the handle (19) through a hinge (18), the other side of the sliding sleeve (17) is fixed to the handle (19) through a bolt (16), and the movable rod (13) penetrates through the sliding sleeve (17).