CN216774066U - An outdoor low-voltage reactive power compensation controller - Google Patents

Abstract

The utility model discloses an outdoor low-voltage reactive power compensation controller, which relates to the field of electric equipment. The outdoor low-voltage reactive power compensation controller includes a protective case, a protective cover is installed on the front side of the protective case, a movable cover is installed on the side wall on the right side of the protective case and near the bottom end, and the top of the protective case is installed A rain-proof roof is welded and fixed, an installation box is welded and fixed inside the protective shell, a cooling fan is installed inside and near the bottom end of the installation box, and the rear inner wall of the installation box is welded and fixed with mutually symmetrical. An installation frame, the controller main body is installed on the front side of the installation frame. The outdoor low-voltage reactive power compensation controller is provided with a protective shell, a cooling fan and a rain-proof roof, etc., which can effectively prevent dust and rain for the controller, and make the controller have a good heat dissipation effect, which is convenient for the controller to be used outdoors. use.

Description

An outdoor low-voltage reactive power compensation controller

technical field

The utility model relates to the technical field of electric equipment, in particular to an outdoor low-voltage reactive power compensation controller.

Background technique

The low-voltage reactive power automatic compensation controller is a special controller for compensating reactive power in the low-voltage power distribution system. It is mainly used to solve the problem of low power during the operation of some high-power converters and frequency conversion devices, thereby increasing the power of the power grid system and reducing the power consumption. Energy consumption, improve the quality of grid voltage, suppress harmonic interference, and ensure the safe operation of the grid.

The existing low-voltage reactive power compensation controller is easily disturbed by the outdoor environment when used outdoors, and more dust will gradually accumulate on the surface of the controller, which affects the cooling effect of the controller and is not conducive to the operation of the controller. In addition, in rainy weather, rainwater is easy to enter the inside of the controller, so that the electronic components inside the controller are in contact with the rainwater, causing the electronic components to be gradually corroded, thereby reducing the service life of the controller. Therefore, we propose an outdoor low-voltage reactive power compensation controller.

Utility model content

(1) Technical problems solved

Aiming at the deficiencies of the prior art, the utility model discloses an outdoor low-voltage reactive power compensation controller to solve the problems raised in the above background technology.

(2) Technical solutions

In order to achieve the above purpose, the utility model is realized through the following technical solutions: an outdoor low-voltage reactive power compensation controller, comprising:

A protective case, the protective case is a hollow structure with an opening on the front side, a protective cover is installed on the front side of the protective case, and the protective cover is hinged with the side wall of the protective case through a hinge, and the right side of the protective case is A movable cover is installed on the side wall of the protective shell and near the bottom end, and a rain-proof roof is welded and fixed on the top of the protective shell;

An installation box, the installation box is arranged inside the protective case, and is welded and fixed with the inner wall of the protective case, a cooling fan is installed inside the installation box and close to the bottom end, and the rear inner wall of the installation box is welded and fixed There are mutually symmetrical mounting brackets, and the controller body is mounted on the front side of the mounting brackets.

Preferably, a sealing ring is glued and fixed on the inner wall of the protective cover and is located inside the installation box, the sealing ring is in contact with the inner wall of the installation box, and the inner side of the movable cover is rotatably connected near the front edge. There is a clamping block, and the clamping block is engaged with the inner wall of the protective shell.

Preferably, the top of the rainproof roof is provided with a plurality of evenly distributed drainage grooves, and each of the drainage grooves is obliquely arranged on the surface of the rainproof roof.

Preferably, the bottom of the protective shell and near the left end are provided with ventilation openings distributed in an array, the bottom of the protective shell and the right side of the ventilation openings are provided with a wire outlet, and the rear side of the protective shell is welded and fixed with each other. Symmetrical mounts.

Preferably, an air inlet is opened at the bottom of the installation box and below the cooling fan, and a left-right symmetrical guide rail is welded and fixed on the bottom of the installation box. The frame of the net is snap-fitted with the guide rail.

Preferably, the top of the installation box is provided with heat dissipation holes distributed in an array, and each of the heat dissipation holes penetrates through the top of the installation box.

Preferably, a wiring area is provided on the right side of the installation box and near the top end of the movable cover, and the cable card is welded and fixed on the outer wall of the right side of the installation box and below the wiring area.

The utility model discloses an outdoor low-voltage reactive power compensation controller, which has the following beneficial effects:

1. The outdoor low-voltage reactive power compensation controller is provided with air vents, air inlets and cooling fans, so that air can only enter the interior of the installation box from the bottom of the protective shell, and at the same time, the dust-proof net is at the bottom of the air inlet. It can prevent dust from entering the inside of the installation box and avoid the controller body from being affected by dust. When the cooling fan is running, it can accelerate the air flow inside the installation box, so as to quickly dissipate the heat of the controller body and facilitate the operation of the controller body for low-voltage reactive power. compensate.

2. The outdoor low-voltage reactive power compensation controller is provided with a protective shell, a protective cover and a rain-proof roof. The inside of the protective shell is connected with the gap of the movable cover, so that the protective shell and the protective cover can effectively protect the installation box from rain, and prevent the electronic components inside the controller body from contacting with rainwater and cause rust, thereby prolonging the service life of the controller.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present utility model;

Fig. 2 is one of the structural schematic diagrams of the protective shell of the present invention;

Fig. 3 is the second schematic diagram of the protective shell structure of the present invention;

Fig. 4 is one of the structural schematic diagrams of the installation box of the present invention;

FIG. 5 is the second structural schematic diagram of the installation box of the present invention.

In the figure: 1. Protective shell; 11. Protective cover; 111. Sealing ring; 12. Active cover; 121. Clamping block; 13. Rainproof roof; 131. Drainage groove; 14. Air vent; 15. Cable outlet; 16 , fixing frame; 2, installation box; 21, cooling fan; 22, installation frame; 221, controller body; 23, air inlet; 231, guide rail; 232, dust filter; 24, cooling hole; 25, wiring area; 251. Line card.

Detailed ways

The embodiment of the utility model discloses an outdoor low-voltage reactive power compensation controller.

As shown in FIG. 1 , it includes a protective case 1, the protective case 1 is a hollow structure with an opening on the front side, and a protective cover 11 is installed on the front side of the protective case 1, and the protective cover 11 is hinged with the side wall of the protective case 1 through a hinge , a movable cover 12 is installed on the side wall on the right side of the protective shell 1 and near the bottom end, and a rain-proof roof 13 is welded and fixed on the top of the protective shell 1;

Installation box 2, the installation box 2 is arranged inside the protective shell 1, and is fixed by welding with the inner wall of the protective shell 1. A cooling fan 21 is installed inside the installation box 2 and near the bottom end, and the rear inner wall of the installation box 2 is welded Mounting brackets 22 that are symmetrical to each other are fixed, and a controller body 221 is mounted on the front side of the mounting brackets 22 .

As shown in FIG. 2 and FIG. 3 , a sealing ring 111 is glued and fixed on the inner wall of the protective cover 11 and located on the inner side of the installation box 2 . The sealing ring 111 is in contact with the inner wall of the installation box 2 . The cover 11 seals the front side of the installation box 2, so that the air can only flow to the installation box 2 through the air inlet 23, thereby improving the dustproof and rainproof ability. The latching block 121, the latching block 121 is engaged with the inner wall of the protective shell 1, the movable cover 12 can be fixed by the latching block 121, and the movable cover 12 can be prevented from being opened from the outside, thereby improving safety.

The top of the rainproof roof 13 is provided with a number of evenly distributed drainage grooves 131 , and each drainage groove 131 is arranged obliquely on the surface of the rainproof roof 13 . flow, thereby preventing rainwater from entering the interior of the protective case 1 through the gap between the protective cover 11 and the movable cover 12 .

The bottom of the protective shell 1 and near the left end are provided with air vents 14 distributed in an array. Air can be circulated through the vents 14 to facilitate heat dissipation of the controller body 221. The bottom of the protective shell 1 is located on the right side of the vent 14. There is a wire outlet 15 through which wiring is convenient. The rear side of the protective shell 1 is welded and fixed with mutually symmetrical fixing frames 16. The protective casing 1 can be installed and fixed through the fixing frame 16, which is convenient for the controller to be used outdoors.

As shown in FIG. 4 and FIG. 5 , the bottom of the installation box 2 and below the cooling fan 21 is provided with an air inlet 23 , the bottom of the installation box 2 is welded and fixed with left and right symmetrical guide rails 231 , and the lower part of the air inlet 23 is provided with dustproof The net 232, the frame of the dustproof net 232 is snap-fitted with the guide rail 231, so as to facilitate the disassembly and cleaning of the dustproof net 232. The top of the installation box 2 is provided with an array of cooling holes 24, and each cooling hole 24 penetrates the installation box 2. At the top of the installation box 2, the operation of the cooling fan 21 can make the air flow upward through the air inlet 23. At the same time, the dustproof net 232 prevents dust from entering the interior of the installation box 2. After that, the hot air is discharged through the cooling hole 24, so as to improve the controller main body 221. In addition to the heat dissipation effect, the controller main body 221 is prevented from being affected by dust.

A wiring area 25 is provided on the right side of the installation box 2 and near the top of the movable cover 12. When the movable cover 12 is opened, the main body 221 of the controller can be easily wired through the wiring area 25. A cable card 251 is welded and fixed below the wiring area 25, and the cable card 251 can comb and fix the lines, thereby preventing the lines from being cluttered.

Working principle: When an outdoor low-voltage reactive power compensation controller is in use, first, move the protective shell 1 to the vicinity of the installation site, then install and fix the protective shell 1 through the fixing frame 16, and then sequentially install the protective cover. 11 and the movable cover 12 are opened, then, the controller main body 221 is installed on the mounting frame 22, after that, the line enters the interior of the protective shell 1 through the wire outlet 15, and the line is connected to the controller main body 221 through the wiring area 25, and then , so that the line and the line card 251 are clamped and fixed, so as to avoid the clutter of the line. When the wiring is completed, the movable cover 12 is closed, and the block 121 is clamped with the inner wall of the protective shell 1, so that the movable cover 12 protects the line. Finally, Close the movable cover 12 to make the sealing ring 111 fit with the inner wall of the installation box 2 for sealing;

During heat dissipation, the operation of the cooling fan 21 drives the air to flow upward, so that the air flows into the interior of the protective shell 1 through the ventilation port 14 . After that, the dust filter 232 filters and removes dust from the air, so that the air enters the interior of the installation box 2 through the air inlet 23 . The controller body 221 is dissipated, and then the hot air is discharged through the heat dissipation holes 24;

In rainy weather, the rainwater flows to the left along the top of the rainproof roof 13 through the drainage groove 131 to prevent the rainwater from entering the interior of the protective shell 1 through the gap between the protective cover 11 and the movable cover 12, so that the protective shell 1 and the protective cover 11 can be The installation box 2 is effectively protected from rain to prevent the electronic components inside the controller main body 221 from contacting with rain and rusting.

The basic principles and main features of the present invention and the advantages of the present invention are shown and described above. It should be understood by those skilled in the art that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention There will also be various changes and improvements in the new model, which all fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. an outdoor low-voltage reactive power compensation controller is characterized in that, comprising: A protective case (1), the protective case (1) is a hollow structure with an opening on the front side, a protective cover (11) is installed on the front side of the protective case (1), and the protective cover (11) is hinged It is hingedly matched with the side wall of the protective shell (1), a movable cover (12) is installed on the side wall on the right side of the protective shell (1) and close to the bottom end, and the top of the protective shell (1) is welded and fixed with a movable cover (12). rain roof (13); an installation box (2), the installation box (2) is arranged inside the protective shell (1), and is welded and fixed to the inner wall of the protective shell (1), the installation box (2) is installed inside and near the bottom end A cooling fan (21) is provided, and mutually symmetrical mounting brackets (22) are welded and fixed on the rear inner wall of the mounting box (2), and a controller body (221) is mounted on the front side of the mounting bracket (22). 2. An outdoor low-voltage reactive power compensation controller according to claim 1, wherein a sealing ring (111) is bonded and fixed on the inner wall of the protective cover (11) and located on the inner side of the installation box (2). ), the sealing ring (111) is in contact with the inner wall of the installation box (2), and the inner side of the movable cover (12) is rotatably connected with a block (121) near the edge of the front side. 121) is snap-fitted with the inner wall of the protective shell (1). 3. The outdoor low-voltage reactive power compensation controller according to claim 1, characterized in that: the top of the rainproof roof (13) is provided with a plurality of evenly distributed drainage grooves (131), and each of the drainage grooves (131) are arranged obliquely on the surface of the rainproof roof (13). 4. An outdoor low-voltage reactive power compensation controller according to claim 1, characterized in that: the bottom of the protective shell (1) and close to the left end are provided with vents (14) distributed in an array. A wire outlet (15) is opened at the bottom of the casing (1) and located on the right side of the air vent (14), and the rear side of the protective casing (1) is welded and fixed with mutually symmetrical fixing frames (16). 5. An outdoor low-voltage reactive power compensation controller according to claim 1, characterized in that: an air inlet (23) is opened at the bottom of the installation box (2) and below the cooling fan (21), so The bottom of the installation box (2) is welded with a left-right symmetrical guide rail (231), and a dust filter (232) is provided below the air inlet (23). 231) snap fit. 6 . The outdoor low-voltage reactive power compensation controller according to claim 1 , wherein the top of the installation box ( 2 ) is provided with cooling holes ( 24 ) distributed in an array, and each of the cooling holes ( 24 ). ) pass through the top of the mounting box (2). 7. An outdoor low-voltage reactive power compensation controller according to claim 1, characterized in that: a wiring area (25) is provided on the right side of the installation box (2) and near the top of the movable cover (12). , the cable card (251) is welded and fixed on the right outer wall of the installation box (2) and located below the wiring area (25).

Images