CN209844241U - A low-voltage compensation cabinet with circulating ventilation - Google Patents

Abstract

The utility model relates to the technical field of low-voltage compensation cabinets, in particular to a circulating ventilation low-voltage compensation cabinet, comprising a compensation cabinet, the front side of the compensation cabinet is provided with a cabinet door; The fan and exhaust pipe are convenient to extract the air in the compensation cabinet, which is beneficial to reduce the temperature in the compensation cabinet and protect the circuit. The poison filter device is helpful to absorb the toxic gas in the air in the compensation cabinet and avoid direct discharge. To pollute the environment in the air, in addition, the air intake fan, air intake pipe and movable body are provided, so that the outside air can enter the compensation cabinet under the action of the fan, which is beneficial to the cooling of the compensation cabinet, and the filter layer is provided , nylon cloth layer, etc., to prevent external debris and dust from entering the compensation cabinet, avoiding the influence of dust on the compact circuit, and solving the problem that the existing low-voltage compensation cabinet lacks circulating ventilation equipment.

Description

A low-voltage compensation cabinet with circulating ventilation

technical field

The utility model relates to the technical field of low-voltage compensation cabinets, in particular to a low-voltage compensation cabinet with circulating ventilation.

Background technique

Most of the load types in the power system are inductive loads, coupled with the widespread use of power electronic equipment by power companies, the power factor of the grid is low, and the low power factor reduces the utilization of equipment, increases power supply investment, and damages The voltage quality reduces the service life of the equipment and greatly increases the line loss. Therefore, by connecting the capacitor compensation cabinet in the power system, the inductive load can be balanced, the power factor can be improved, and the utilization rate of the equipment can be improved. Generally speaking, the low-voltage compensation cabinet It is composed of cabinet, busbar, fuse, isolating switch fuse group, capacitor contactor, lightning arrester, capacitor, reactor, primary and secondary wires, terminal block, power factor automatic compensation control device, panel instrument, etc.;

When the low-voltage compensation cabinet is working, a large amount of heat is often generated in the cabinet. Therefore, the existing low-voltage compensation cabinet is equipped with a cooling fan inside for cooling. However, in order to ensure the sealing of the compensation cabinet, the cooling efficiency of the cooling fan is relatively low. Poor, the cabinet cannot be ventilated, and the temperature is getting higher and higher. At the same time, due to the increase in temperature, the air in the cabinet is filled with a large amount of toxic gases (such as polyethylene gas, ozone, etc.), which is easy to pose a threat to the health of maintenance personnel. , and the existing low-voltage compensation cabinet lacks corresponding circulation ventilation equipment, in view of this, we propose a low-voltage compensation cabinet with circulation ventilation.

Utility model content

The purpose of this utility model is to provide a low-voltage compensation cabinet with circulating ventilation, so as to solve the problem that the existing low-voltage compensation cabinet lacks circulating ventilation equipment proposed in the above-mentioned background technology.

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

A circulating ventilation low-voltage compensation cabinet, comprising a compensation cabinet, the front side of the compensation cabinet is provided with a cabinet door, the cabinet door is hinged to the front side of the compensation cabinet through hinges, and the interior of the compensation cabinet is opened There is a control chamber, the bottom of the compensation cabinet is tightly welded with a base, the rear side of the compensation cabinet is tightly welded with two parallel fan boxes, and the top surface of the upper fan box is tightly welded with a canister, An air extraction pipe is provided on the canister, and an air intake pipe is tightly welded on the bottom surface of the fan box located below.

The front side of the base is provided with a cavity, the cavity is provided with a movable body, one side of the movable body is provided with an opening, and the top surface of the movable body is linearly and equidistantly provided with three bar-shaped grooves , the strip-shaped groove is provided with a board, and the board is plugged and matched with the strip-shaped groove, and the board is sequentially embedded with a filter layer, a nylon cloth layer and an acupuncture needle from left to right. In the felt layer, one side of the strip-shaped groove is linearly and equidistantly provided with a plurality of air holes, and the air holes communicate with the control cavity.

An exhaust fan is fixedly connected to the upper fan box by bolts, the canister is hollow, and a poison filtering device is provided inside the canister, and the poison filtering device includes two The fixed blocks are symmetrically arranged, and the upper fixed block is provided with air holes, and a plurality of concentrically arranged baffles are embedded between the fixed blocks, and the fixed blocks are sequentially arranged from the inside to the outside. An electrostatic cotton layer, an activated carbon layer and a non-woven fabric layer are provided, and the electrostatic cotton layer, activated carbon layer and non-woven fabric layer are respectively located between two adjacent baffles, and are located in the lower fan box An air intake fan is fixedly connected by bolts.

Preferably, the bottom surface of the base is symmetrically and tightly welded with pads.

Preferably, the control chamber, the exhaust pipe, the air hole, the canister and the upper air box are connected end-to-end in sequence.

Preferably, the rear side of the wind box is an open structure, and the rear side of the wind box is linearly and equidistantly provided with a plurality of rain shields, and the two ends of the rain shields are connected to the The fan box is swivelly connected.

Preferably, the lower fan box, the air intake pipe, the cavity, the opening, the air hole and the control cavity are connected end to end in sequence.

Preferably, the included angle between the rain shield and the horizontal plane is 45°.

Preferably, the size of the movable body is adapted to the size of the cavity, and the movable body is plug-fitted with the cavity.

Compared with the prior art, the utility model has the beneficial effect: the low-voltage compensation cabinet with circulating ventilation is convenient to extract the air in the compensation cabinet through the air exhaust fan and the air exhaust pipe, and then it is beneficial to reduce the temperature in the compensation cabinet , to protect the circuit, and the poison filter device is conducive to the adsorption and compensation of toxic gases in the air in the cabinet, avoiding direct discharge into the air to pollute the environment. The air can enter the compensation cabinet under the action of the fan, which is conducive to cooling the compensation cabinet, and the filter layer, nylon cloth layer, etc., prevent external sundries and dust from entering the compensation cabinet, avoiding dust The impact on the compact circuit solves the problem that the existing low-voltage compensation cabinet lacks circulation and ventilation equipment.

Description of drawings

Fig. 1 is one of overall structural representation of the utility model;

Fig. 2 is the second overall structure schematic diagram of the utility model;

Fig. 3 is the explosion schematic diagram of the overall structure of the utility model;

Fig. 4 is the third overall structure schematic diagram of the utility model;

Fig. 5 is a structural schematic diagram of the poison filtering device in the utility model;

Fig. 6 is a schematic diagram of the explosion structure of the poison filtering device in the present invention;

Fig. 7 is a schematic diagram of the structure of the movable body in the utility model.

In the figure: 1, compensation cabinet; 11, cabinet door; 12, control cavity; 2, base; 21, cavity; 22, movable body; 221, strip groove; 222, air hole; 223, opening; ; 2241, filter screen layer; 2242, nylon cloth layer; 2243, needle-punched felt layer; 3, fan box; 31, exhaust fan; 32, intake fan; 33, rain shield; 4, canister; 41 , poison filter device; 411, fixed block; 4111, wind hole; 412, retaining net; 413, non-woven fabric layer; 414, activated carbon layer; 415, electrostatic cotton layer; 5, exhaust pipe; 6, air intake pipe; 7 feet .

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", Orientation indicated by "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. Or the positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and operation, and therefore cannot be construed as a limitation of the utility model.

In addition, in the description of the present utility model, "plurality" means two or more, unless otherwise specifically defined.

Example 1

A circulating ventilation low-voltage compensation cabinet, as shown in Figures 1 to 7, includes a compensation cabinet 1, the front side of the compensation cabinet 1 is provided with a cabinet door 11, and the cabinet door 11 is hinged to the front side of the compensation cabinet 1 through hinges , the inside of the compensation cabinet 1 is provided with a control cavity 12, the bottom of the compensation cabinet 1 is tightly welded with a base 2, and the rear side of the compensation cabinet 1 is tightly welded with two parallel fan boxes 3, and the top surface of the upper fan box 3 The canister 4 is tightly welded, the canister 4 is provided with an exhaust pipe 5, the bottom surface of the fan box 3 below is tightly welded with an air intake pipe 6, the front side of the base 2 is provided with a cavity 21, and a cavity 21 is provided inside the cavity 21. There is a movable body 22, one side of the movable body 22 is provided with an opening 223, and the top surface of the movable body 22 is linearly and equidistantly provided with three strip grooves 221, and the strip groove 221 is provided with a flashboard 224, and the flashboard 224 Fitted with the strip groove 221, the insert plate 224 is embedded with a filter mesh layer 2241, a nylon cloth layer 2242 and a needle felt layer 2243 from left to right, and one side of the strip groove 221 is linearly and equally spaced. There are a plurality of air holes 222, and the air holes 222 communicate with the control chamber 12, and the fan box 3 on the top is fixedly connected with an exhaust fan 31 by bolts, and the canister 4 is a hollow structure, and the inside of the canister 4 is equipped with There is a poison filtering device 41, and the poison filtering device 41 includes two symmetrical fixed blocks 411, the upper fixed block 411 is provided with air holes 4111, and a plurality of concentrically arranged baffles are embedded between the fixed blocks 411. net 412, and the static cotton layer 415, the activated carbon layer 414 and the non-woven fabric layer 413 are arranged sequentially from the inside to the outside between the fixed blocks 411, and the electrostatic cotton layer 415, the activated carbon layer 414 and the non-woven fabric layer 413 are respectively located in two Between the adjacent baffles 412 , an intake fan 32 is fixedly connected to the lower fan box 3 by bolts.

Specifically, the bottom surface of the base 2 is symmetrically and tightly welded with feet 7, and the feet 7 are used to raise the compensation cabinet 1 to prevent water from entering the compensation cabinet 1.

Specifically, the control chamber 12, the exhaust pipe 5, the air holes 4111, the canister 4 and the fan box 3 above are connected end-to-end in sequence, and the air in the control chamber 12 is sucked into the canister 4 through the exhaust pipe 5. , and finally discharged to the outside under the effect of the exhaust fan 31 in the fan box 3.

Specifically, the rear side of the fan box 3 is an open structure, and the rear side of the fan box 3 is linearly and equidistantly provided with a plurality of rain shields 33, and the two ends of the rain shield 33 rotate with the fan box 3 through pin shafts. Connected, the rain shield 33 is used for exhaust and air intake, while preventing rainwater from entering.

Specifically, the fan box 3, the intake pipe 6, the cavity 21, the opening 223, the air hole 222 and the control chamber 12 located below are connected end-to-end in sequence. cavity 21, and finally enters the control cavity 12 through the air hole 222.

Further, the included angle between the rain shield 33 and the horizontal plane is 45°, and the inclined rain shield 33 has a good waterproof effect.

In addition, the size of the movable body 22 is adapted to the size of the cavity 21 , and the movable body 22 is mated with the cavity 21 , which is convenient for cleaning the dust in the movable body 22 .

It is worth noting that the exhaust fan 31 and the intake fan 32 in this embodiment can use the suction exhaust fan of model 03 produced by Dezhou Qinglang Environmental Protection Equipment Co., Ltd., and its supporting circuit and power supply module can also be provided by the manufacturer. In addition, the circuits, electronic components and modules involved in this utility model are all existing technologies, which can be realized by those skilled in the art. Needless to say, the protection content of this utility model does not involve the internal structure and methods. Improve.

When the circulating ventilated low-voltage compensation cabinet of this embodiment is in use, the user first turns on the power supply of the exhaust fan 31 and the intake fan 32, and at the same time the exhaust fan 31 and the intake fan 32 start to work. The hot air enters the poison filter device 41 in the canister 4 through the exhaust pipe 5, and is filtered by the electrostatic cotton layer 415, the activated carbon layer 414 and the non-woven fabric layer 413 in sequence, and then the air enters the upper fan box 3, and discharge to the outside from the rain shield 33;

When the air intake fan 32 starts to work, the outside air enters into the fan box 3 located below through the rain shield 33, and enters into the cavity 21 through the exhaust pipe 5, and then the outside air passes through the filter layer 2241, nylon Cloth layer 2242 and needle-punched felt layer 2243 trap impurities and dust in the air, and finally external air enters the control chamber 12 through the air hole 222. Repeat the above steps to achieve the effect of circulation and ventilation in the control chamber 12.

The basic principles, main features and advantages of the present utility model have been shown and described above. Those skilled in the industry should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions are only preferred examples of the utility model, and are not used to limit the utility model. Without departing from the utility model Under the premise of the spirit and scope, the utility model also has various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection required by the utility model is defined by the appended claims and their equivalents.

Claims (7)

1. A low-voltage compensation cabinet of circulation ventilation, includes compensation cabinet (1), its characterized in that: a cabinet door (11) is arranged on the front side face of the compensation cabinet (1), the cabinet door (11) is hinged with the front side face of the compensation cabinet (1) through a hinge, a control cavity (12) is formed in the compensation cabinet (1), a base (2) is tightly welded below the compensation cabinet (1), two fan boxes (3) which are parallel to each other are tightly welded on the rear side face of the compensation cabinet (1), a toxin filtering tank (4) is tightly welded on the top face of the fan box (3) which is positioned above the base, an exhaust pipe (5) is arranged on the toxin filtering tank (4), and an air inlet pipe (6) is tightly welded on the bottom face of the fan box (3) which is positioned below the base;

the improved air-permeable fabric comprises a base (2), and is characterized in that a cavity (21) is formed in the front side surface of the base (2), a movable body (22) is arranged in the cavity (21), an opening (223) is formed in one side of the movable body (22), three strip-shaped grooves (221) are formed in the top surface of the movable body (22) in a linear equidistant mode, inserting plates (224) are arranged in the strip-shaped grooves (221), the inserting plates (224) are in inserting fit with the strip-shaped grooves (221), a filter screen layer (2241), a nylon cloth layer (2242) and a needled felt layer (2243) are sequentially embedded in the inserting plates (224) from left to right, a plurality of air holes (222) are formed in one side of each strip-shaped groove (221) in a linear equidistant mode, and the air holes (222);

an air exhaust fan (31) is fixedly connected in the fan box (3) positioned above through bolts, the canister (4) is of a hollow structure, and the interior of the canister (4) is provided with a poison filtering device (41), the poison filtering device (41) comprises two fixed blocks (411) which are symmetrically arranged, the fixed block (411) which is positioned above is provided with an air hole (4111), a plurality of concentrically arranged blocking nets (412) are embedded between the fixed blocks (411), and an electrostatic cotton layer (415), an active carbon layer (414) and a non-woven fabric layer (413) are sequentially arranged between the fixing blocks (411) from inside to outside, and the electrostatic cotton layer (415), the activated carbon layer (414) and the non-woven fabric layer (413) are respectively positioned between two adjacent blocking nets (412), and an air inlet fan (32) is fixedly connected in the fan box (3) positioned below through bolts.

2. A circulating ventilation low-voltage compensation cabinet according to claim 1, characterized in that: the bottom surface of the base (2) is symmetrically and tightly welded with foot pads (7).

3. A circulating ventilation low-voltage compensation cabinet according to claim 1, characterized in that: the control cavity (12), the exhaust pipe (5), the air hole (4111), the canister (4) and the fan box (3) positioned above are sequentially communicated end to end.

4. A circulating ventilation low-voltage compensation cabinet according to claim 1, characterized in that: the rear side face of the fan box (3) is of an open structure, a plurality of rain baffles (33) are linearly arranged on the rear side face of the fan box (3) at equal intervals, and two ends of each rain baffle (33) are rotatably connected with the fan box (3) through pins.

5. A circulating ventilation low-voltage compensation cabinet according to claim 1, characterized in that: the fan box (3), the air inlet pipe (6), the cavity (21), the opening (223), the air hole (222) and the control cavity (12) which are positioned below are sequentially communicated end to end.

6. A cyclically ventilated low-voltage compensation cabinet according to claim 4, wherein: the included angle between the rain baffle (33) and the horizontal plane is 45 degrees.

7. A circulating ventilation low-voltage compensation cabinet according to claim 1, characterized in that: the size of the movable body (22) is matched with that of the cavity (21), and the movable body (22) is matched with the cavity (21) in an inserted manner.