CN212392527U

CN212392527U - Low-voltage static reactive power compensation device

Info

Publication number: CN212392527U
Application number: CN202020619497.6U
Authority: CN
Inventors: 崔飞
Original assignee: Shanghai Maizhen Intelligent Technology Co ltd
Current assignee: Shanghai Maizhen Intelligent Technology Co ltd
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2021-01-22
Anticipated expiration: 2030-04-23

Abstract

The utility model relates to the technical field of distribution circuits, in particular to a low-voltage static reactive power compensation device, which comprises a box body with a hinge door, and a partition switch, a capacitor, a main bus bar, an installation beam and a branch bus bar which are arranged in the box body, wherein the inner wall of the box body is vertically and fixedly provided with a fixed plate which divides the box body into two heat dissipation bins and an equipment bin, a movable plate is arranged in the equipment bin in a sliding way, the movable plate and the fixed plate are arranged in parallel, and the heat generated by the partition switch, the capacitor, the main bus bar, the installation beam and the branch bus bar can be absorbed by the heat dissipation block through arranging structures such as a heat dissipation block and an elastic air bag, and is cooled by gas through a heat dissipation channel, so that the external air is not contacted with the partition switch, the capacitor, the main bus bar, the installation beam and the branch bus, the long-term stable operation of the reactive power compensation device is realized.

Description

Low-voltage static reactive power compensation device

Technical Field

The utility model relates to a distribution circuit technical field specifically is a low pressure static reactive power compensator.

Background

The majority of the electrical loads in the grid, such as motors, transformers, etc., are inductive loads, and during operation, these devices need to be supplied with corresponding reactive power. After reactive compensation equipment such as a shunt capacitor and the like is installed in the power grid, reactive power consumed by inductive load can be provided, the reactive power provided by the power grid to the inductive load and transmitted by a line is reduced, and the flow of the reactive power in the power grid is reduced, so that the electric energy loss of the line and a transformer caused by the transmission of the reactive power can be reduced.

Current reactive power compensator can produce a large amount of heats when using, has all seted up a lot of ventilation holes for heat abstractor's outside for the inside electronic equipment of device receives external equipment's humidity influence easily, and electronic equipment appears fixedly easily when using in the higher environment of humidity, and dustproof and waterproof effect is also relatively poor, has restricted its application scope and operating stability.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a low pressure static var compensator.

The utility model provides a its technical problem adopt following technical scheme to realize:

the utility model relates to a low-voltage static reactive power compensation device, which comprises a box body with a hinge door, and a partition switch, a capacitor, a main bus bar, an installation beam and a branch bus bar which are arranged in the box body, wherein a fixed plate is vertically and fixedly arranged on the inner wall of the box body, the box body is divided into two heat dissipation bins and an equipment bin by the fixed plate, a movable plate is arranged in the equipment bin in a sliding manner, the movable plate and the fixed plate are arranged in parallel, the right side of the movable plate is hinged with a reciprocating pushing mechanism, the reciprocating pushing mechanism is used for pushing the movable plate to reciprocate left and right, and a heat; the heat dissipation framework comprises heat dissipation blocks, an elastic air bag, a buffering air bag, an air inlet hose, a one-way valve and an exhaust hose, wherein the elastic air bag is fixedly connected between the two heat dissipation blocks, a heat dissipation channel is formed in each heat dissipation block, the two sides of the elastic air bag are respectively communicated with one end of the two heat dissipation channels, the other end of each heat dissipation channel is communicated with the buffering air bag and is located at the top of the buffering air bag communicated with the exhaust hose and is located at the bottom of the buffering air bag, the lower side of the elastic air bag is communicated with the one-way valve, the lower end of the one-way valve is communicated with the buffering air bag, the heat dissipation blocks are provided with mounting pieces, and the mounting pieces are used for isolating switches, capacitors, main busbars, mounting.

Preferably, reciprocal pushing mechanism includes connecting rod, motor, cam, montant, reset spring and spacing sleeve, the one end of connecting rod articulates on the fly leaf, and the other end of connecting rod articulates on the montant, two parallel arrangement between the connecting rod, peg graft in spacing sleeve in the upper end of montant, the lower extreme active link of montant has the cam, the cam is installed on the output shaft of motor, motor fixed mounting is on the box, reset spring sets up between fixed plate and fly leaf for the reseing of fly leaf.

Preferably, the heat dissipation channel is in an S-shaped coiled structure.

Preferably, a plurality of heat dissipation holes are formed in the side wall of the heat dissipation bin, filter screens are installed in the heat dissipation holes, and a plurality of fin-shaped heat dissipation fins are installed on one side, located on the heat dissipation bin, of the fixing plate.

Compared with the prior art, the beneficial effects of the utility model are that: a static reactive power compensator of low pressure, through setting up radiating block and elasticity gasbag isotructure, can utilize the radiating block to absorb and cut off switch, condenser, main female arranging, install the female produced heat of arranging of roof beam and branch, and by gas cooling through heat dissipation channel, thereby make outside air and cut off switch, condenser, main female arranging, the female effect that contactless also can realize the cooling of arranging of installation roof beam and branch, humidity and temperature in the effectual control box of ability, realize reactive power compensator's long-term stable operation.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the heat slug.

In the figure: the air-conditioning device comprises a box body 1, a fixed plate 2, a movable plate 3, a radiating block 4, an elastic air bag 5, a buffering air bag 6, an air inlet hose 7, a one-way valve 8, an exhaust hose 9, a radiating channel 10, a connecting rod 11, a motor 12, a cam 13, a vertical rod 14, a return spring 15, a limiting sleeve 16, a radiating hole 17 and a fin-shaped radiating fin 18.

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. 1-2, the present invention provides a technical solution:

the utility model discloses a low pressure static var compensator, including box 1 with hinge door and install partition switch, condenser, main female row, installation roof beam and branch female row in box 1, vertical fixed mounting has fixed plate 2 on the inner wall of box 1, and fixed plate 2 divides box 1 into two heat dissipation storehouses and equipment storehouse, and the equipment storehouse slides and is provided with fly leaf 3, parallel arrangement between fly leaf 3 and fixed plate 2, the right side of fly leaf 3 articulates there is reciprocal pushing mechanism, reciprocal pushing mechanism is used for promoting fly leaf 3 and reciprocates from side to side, is provided with the heat dissipation framework between fly leaf 3 and fixed plate 2; the heat dissipation framework comprises heat dissipation blocks 4, an elastic air bag 5, a buffering air bag 6, an air inlet hose 7, a one-way valve 8 and an air outlet hose 9, the elastic air bag 5 is fixedly connected between the two heat dissipation blocks 4, the heat dissipation channel 10 is formed in each heat dissipation block 4, the two sides of the elastic air bag 5 are respectively communicated with one end of each heat dissipation channel 10, the other end of each heat dissipation channel 10 is communicated with the buffering air bag 6 and is located at the top of the buffering air bag 6, the buffering air bag 6 is communicated with the air outlet hose 9 and is located at the bottom of the air inlet hose 7 communicated with the lower side of the buffering air bag 6, the one-way valve 8 is communicated with the lower end of the one-way valve 8 to communicate with the buffering air bag 6, an installation part is installed on each heat dissipation block 4, and the installation is used.

When the air cooler works, the reciprocating pushing mechanism drives the movable plate 3 to reciprocate left and right, when the movable plate 3 moves left, the heat dissipation block 4 extrudes air in the elastic air bag 5, so that the air in the elastic air bag 5 enters the buffering air bag 6 through the heat dissipation channel 10, the air can take away heat absorbed on the heat dissipation block 4 after passing through the heat dissipation channel 10, when the movable plate 3 moves right, the heat dissipation block 4 pulls the elastic air bag 5, so that the elastic air bag 5 absorbs the air in the buffering air bag 6 and is full of air again, meanwhile, the elastic air bag 5 positioned at the bottom extracts air from the outside of the box body 1, the heat dissipation block 4 dissipates heat by utilizing the mode, the heat generated by the heat dissipation block 4 absorbing the partition switch, the capacitor, the main bus bar, the mounting beam and the branch bus bar can be cooled by the air through the heat dissipation channel 10, so that, The main busbar, the mounting beam and the branch busbar are not in contact and can also realize the cooling effect, the humidity and the temperature in the box body 1 can be effectively controlled, and the long-term stable operation of the reactive power compensation device is realized.

As an embodiment of the utility model, reciprocal pushing mechanism includes connecting rod 11, motor 12, cam 13, montant 14, reset spring 15 and stop sleeve 16, the one end of connecting rod 11 articulates on fly leaf 3, and the other end of connecting rod 11 articulates on montant 14, two parallel arrangement between connecting rod 11, peg graft in stop sleeve 16 in montant 14's upper end, montant 14's lower extreme swing joint has cam 13, cam 13 installs on motor 12's output shaft, motor 12 fixed mounting is on box 1, reset spring 15 sets up between fixed plate 2 and fly leaf 3 for the restoration of fly leaf 3, motor 12 drive cam 13 rotate, and cam 13 cooperation reset spring 15 promotes montant 14 up-and-down motion for control about connecting rod 11 pulling fly leaf 3.

As an embodiment of the present invention, the heat dissipation channel 10 is an S-shaped coiled structure, and has a better heat dissipation effect on the heat dissipation block 4.

As an embodiment of the utility model, a plurality of louvres 17 have been seted up on the lateral wall in heat dissipation storehouse, install the filter screen in the louvre 17, and fixed plate 2 is located one side in heat dissipation storehouse and installs a plurality of fin shape fin 18, further realizes radiating effect.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a static reactive power compensator of low pressure, is including box (1) that has the hinge door and install the female row of arranging of wall switch, condenser, main arranging, installation roof beam and branch in box (1), its characterized in that: the inner wall of the box body (1) is vertically and fixedly provided with a fixed plate (2), the box body (1) is divided into two heat dissipation bins and an equipment bin by the fixed plate (2), a movable plate (3) is arranged in the equipment bin in a sliding mode, the movable plate (3) and the fixed plate (2) are arranged in parallel, the right side of the movable plate (3) is hinged with a reciprocating pushing mechanism, the reciprocating pushing mechanism is used for pushing the movable plate (3) to reciprocate left and right, and a heat dissipation framework is arranged between the movable plate (3) and the fixed plate (2); the heat dissipation structure comprises heat dissipation blocks (4), an elastic air bag (5), a buffering air bag (6), an air inlet hose (7), a check valve (8) and an air outlet hose (9), wherein the elastic air bag (5) is fixedly connected between the two heat dissipation blocks (4), a heat dissipation channel (10) is formed in the heat dissipation blocks (4), two sides of the elastic air bag (5) are respectively communicated with one ends of the two heat dissipation channels (10), the other end of the heat dissipation channel (10) is communicated with the buffering air bag (6), the buffering air bag (6) positioned at the uppermost part is communicated with the air outlet hose (9), the lower side of the buffering air bag (6) positioned at the bottom is communicated with the air inlet hose (7), the lower side of the elastic air bag (5) is communicated with the check valve (8), the lower end of the check valve (8) is communicated with the buffering air bag (6), and the heat dissipation, the installation is used for installing the isolating switch, the capacitor, the main busbar, the installation beam and the branch busbar.

2. The low-voltage static var compensator according to claim 1, wherein: reciprocal pushing mechanism includes connecting rod (11), motor (12), cam (13), montant (14), reset spring (15) and spacing sleeve (16), the one end of connecting rod (11) articulates on fly leaf (3), and the other end of connecting rod (11) articulates on montant (14), two parallel arrangement between connecting rod (11), peg graft in spacing sleeve (16) in the upper end of montant (14), the lower extreme swing link of montant (14) has cam (13), install on the output shaft of motor (12) cam (13), motor (12) fixed mounting is on box (1), reset spring (15) set up between fixed plate (2) and fly leaf (3) for the restoration of fly leaf (3).

3. The low-voltage static var compensator according to claim 1, wherein: the heat dissipation channel (10) is of an S-shaped coiled structure.

4. The low-voltage static var compensator according to claim 1, wherein: a plurality of heat dissipation holes (17) are formed in the side wall of the heat dissipation bin, a filter screen is installed in each heat dissipation hole (17), and a plurality of fin-shaped heat dissipation fins (18) are installed on one side, located on the heat dissipation bin, of the fixing plate (2).