CN210156801U - A mobile switch cabinet forced cooling device - Google Patents

Abstract

The embodiment of the utility model discloses a mobile switch cabinet forced cooling device, which comprises a cabinet body and an air conditioner for refrigeration, wherein the top of the cabinet body is provided with an air box, the air box is connected with the air conditioner through a heat preservation pipe, the air box is divided into a first air outlet box for integrally cooling the space in the cabinet body and a second air outlet box for cooling the electrical elements with serious heat generation in the cabinet body through a partition plate, a first adjusting component for shunting the cooling air of the air conditioner is arranged above the partition plate, the air quantity entering the first air outlet box and the second air outlet box is respectively controlled by utilizing the arranged first adjusting component and the arranged second control component, and further the air flows with different temperatures can be sprayed out from the first air outlet box and the second air outlet box in a flow mixing mode, so that the equipment with serious heat generation can be pertinently cooled while the whole cabinet body is cooled, the heat dissipation structure can ensure that the optimal heat dissipation effect is achieved, and simultaneously, the problem of equipment failure caused by overhigh local temperature can be avoided.

Description

A mobile switch cabinet forced cooling device

technical field

The embodiments of the utility model relate to the technical field of substations, in particular to a forced cooling device for a mobile switch cabinet.

Background technique

A power station refers to a place in the power system that converts voltage and current, receives and distributes electrical energy. The substation in the power plant is a step-up substation, and its function is to boost the power generated by the generator and feed it to the high-voltage power grid. The substation at the user end converts high-voltage electricity into low-voltage electricity that can be used by users normally.

Among them, the switchgear where the control switch is placed is very important for the substation, which can be directly related to the safe operation of the substation. Among them, the KYN cabinet is a more common one, that is, a metal armored mobile switchgear, which has a compact structure and a tight seal. Good, and the IP protection level is high, but the internal ventilation and heat dissipation of the switch cabinet is poor. Once the equipment load is high, it is easy to cause the equipment to overheat or cause failure due to heat.

The current cooling methods are divided into air-conditioning refrigeration and enhanced air convection to dissipate heat. The enhanced airflow is used to dissipate heat, which will be limited by the internal structure, making the heat dissipation slow and unable to achieve a good cooling effect. The air volume is relatively small, which cools the interior of the cabinet as a whole, and it takes a long time to reach the specified temperature. During this process, for equipment with serious heat generation, the heat is easy to accumulate and the cooling effect is not obvious. solve.

Utility model content

To this end, the embodiment of the present invention provides a forced cooling device for a mobile switch cabinet, which can divide the airflow through the first air outlet and the second air outlet arranged inside the air box, and further pass the first air outlet and the second air outlet. While cooling the inside of the cabinet as a whole, it can also cool the equipment with serious heat generation, which can solve the problem of using air cooling in the prior art to cool down, which will cause slow heat dissipation due to the internal structure of the cabinet. Refrigeration and cooling, its air conditioning power efficiency cooling effect is poor, which is not conducive to the problem of cooling equipment with serious heat generation.

In order to achieve the above purpose, the embodiments of the present utility model provide the following technical solutions:

A forced cooling device for a mobile switch cabinet, comprising a cabinet body and an air conditioner for refrigeration, the top of the cabinet body is provided with a bellows, the bellows is connected to the air conditioner through a thermal insulation pipe, and the bellows is divided into two pairs by a partition plate. The first air outlet box for cooling the space in the cabinet as a whole and the second air outlet box for cooling the electrical components in the cabinet body, the upper part of the partition is provided with a first adjustment component for dividing the cooling air of the air conditioner, and The lower part of the partition plate is also provided with a second adjustment component that is connected to the external air pump and is used to divert the cooling air of the external air pump. The bottom of the first air outlet is provided with a first air outlet, and the second The bottom of the air outlet box is provided with a plurality of second air outlets, and air guide pipes are connected to the second air outlets through magnet blocks.

As a preferred solution of the present invention, the first adjustment component includes an air guide cavity corresponding to the heat preservation pipe, and an arc-shaped shunt plate is connected to the air guide cavity through a driving motor. A distribution channel corresponding to the separator is arranged on the upper part.

As a preferred solution of the present invention, the structures of the first adjustment assembly and the second adjustment assembly are the same.

As a preferred solution of the present invention, baffles are provided on both front and rear sides of the baffle, and a number of irregularly distributed and connected by iron wires are arranged on the opposite side of the baffle and the baffle. flow block.

As a preferred solution of the present invention, the second air outlet is provided with a regulating valve for controlling the air flow into the air duct, and two air plates are connected in rotation inside the regulating valve, which are meshed and connected by gears. A rotating disk for adjusting the angle of the wind plate is connected to the gear of one of the wind plates.

As a preferred solution of the present invention, it also includes a control assembly placed on one side of the inner wall of the cabinet and used to adjust the position of the air duct. The control assembly includes a support column and several telescopic rods. The front and rear sides are provided with sliding grooves, the telescopic rod is slidably connected to the support column through the sliding groove, and one end of the telescopic rod away from the support column is provided with a magnet block and an air duct at one end away from the second air outlet Connected connection block.

As a preferred solution of the present invention, the connecting block is provided with an air guide groove corresponding to the air guide pipe, and an air guide coil is provided at one end of the air guide groove away from the air guide pipe.

As a preferred solution of the present invention, several triangular fixing blocks are arranged at equal intervals in the sliding groove, and a fixing rod corresponding to the triangular fixing block is rotatably connected to the telescopic rod through a rotating shaft, and the telescopic rod There is also a pressing rod for pushing the fixed rod to move.

As a preferred solution of the present invention, a torsion spring is arranged on the rotating shaft.

The embodiment of the present invention has the following advantages:

When the utility model is in use, the provided first adjustment component and second control component can be used to control the air volume entering the first air outlet box and the second air outlet box respectively, and then the first outlet air box can be controlled by mixing flow. The bellows and the second bellows eject airflow of different temperatures, which further reduces the overall cooling of the cabinet, and also conducts targeted cooling of equipment with serious heat, which can ensure that it can achieve the best heat dissipation effect at the same time. Avoid the problem of equipment failure caused by high local temperature.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that are required to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only exemplary, and for those of ordinary skill in the art, other implementation drawings can also be obtained according to the extension of the drawings provided without creative efforts.

The structures, proportions, sizes, etc. shown in this specification are only used to cooperate with the contents disclosed in the specification, so as to be understood and read by those who are familiar with the technology, and are not used to limit the conditions that the present invention can be implemented. The technical substantive significance, the modification of any structure, the change of the proportional relationship or the adjustment of the size, without affecting the effect that the utility model can produce and the purpose that can be achieved, should still fall within the scope disclosed in the present utility model. Technical content must be able to cover the scope.

1 is a schematic diagram of the overall structure of an embodiment of the present utility model;

2 is a schematic diagram of the overall structure of a bellows in an embodiment of the present invention;

3 is a schematic diagram of the connection structure of the support column and the telescopic rod in the embodiment of the present invention;

4 is a schematic diagram of the overall structure of a connecting block in an embodiment of the present invention;

5 is a schematic diagram of the overall structure of a regulating valve in an embodiment of the present invention;

Fig. 6 is the partial structure schematic diagram of A place in Fig. 2;

FIG. 7 is a schematic diagram of the overall structure of an air duct in an embodiment of the present invention.

In the picture:

1-cabinet; 2-air conditioner; 3-bellows; 4-partition; 5-first outlet box; 6-second outlet box; 7-first adjustment assembly; 8-second adjustment assembly; 9-control Component; 10-second air outlet; 11-air duct; 12-baffle plate; 13-spoiler block; 14-regulating valve; 15-air plate; 16-rotating disc; 17-first air outlet;

701-air guide cavity; 702-split plate; 703-split groove;

901-Support column; 902-Telescopic rod; 903-Sliding groove; 904-Connecting block; 905-Air guide groove; 906-Air guide coil; 907-Triangular fixing block; 908-Fixing rod; Spindle.

Detailed ways

The embodiments of the present invention will be described below by specific specific embodiments. Those who are familiar with the technology can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. Obviously, the described embodiments are of the present invention. Some examples, but not all examples. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

As shown in FIGS. 1 to 7 , the present invention provides a forced cooling device for a mobile switch cabinet, which includes a cabinet 1 and an air conditioner 2 for refrigeration. The bottom of the air conditioner 2 is provided with a self-locking universal wheel, which can The installation position can be adjusted freely according to actual needs, and it is also convenient to disassemble and transport it when it is not in use later. The top of the cabinet 1 is provided with a bellows 3, and the bellows 3 is connected to the air conditioner 2 through a thermal insulation pipe. The bellows 3 is divided into a first bellows 5 for cooling the entire space inside the cabinet 1 and a second bellows 6 for cooling the electrical components in the cabinet 1 that generate serious heat by the partitions 4 . The upper part is provided with a first adjustment component 7 for shunting the cooling air of the air conditioner 2, and the lower part of the baffle 4 is also provided with a second adjustment component 8 connected to the external air pump and used for shunting the cooling air of the external air pump. , through the first adjustment assembly 7 and the second adjustment assembly 8, the gas flow rate entering the first air outlet box 5 and the second air outlet box 6 can be freely changed, that is, the gas used to control the air conditioning and the outside air is in the first air outlet box. 5 and the mixing amount in the second air outlet 6, so that it can achieve the purpose of spraying wind of different temperatures, so that the overall heat dissipation of the equipment inside the cabinet 1 and the heat dissipation of the equipment with serious heat in the cabinet 1 can be balanced. , in the initial stage of startup, to avoid the problem that the local temperature is too high due to the untimely heat dissipation, causing the equipment to fail easily.

What needs to be supplemented is that an air distribution plate can also be provided on the first adjustment assembly 7 and the second adjustment assembly 8 to disperse the wind blown from the external air pump and the air blown by the air conditioning refrigeration, so as to avoid the local air volume being too large or too small, causing The problem that the wind entering the first air outlet box 5 and the second air outlet box 6 cannot be uniformly mixed together.

As shown in FIG. 1 , FIG. 2 and FIG. 7 , the bottom of the first air outlet box 5 is provided with a first air outlet 17 , and the bottom of the second air outlet box 6 is provided with a number of second air outlets. 10. The second air outlet 10 is connected with an air duct 11 through a magnet block. The two ends of the air duct 11 are provided with mounting plates, and the four corners of the mounting plate are provided with magnet blocks. The magnet block is preferably a neodymium magnet to ensure that it can be connected more stably when connected. In addition, in order to avoid the problem of air leakage at the connection, a layer of sealing gasket needs to be added on the installation plate. The overall structure of the air duct 11 is preferably It is a corrugated hose structure. During use, the length of the air duct 11 can be freely changed according to the needs of use, which can facilitate the user to place the outlet end of the air duct 11 in front of the equipment with serious heat generation. Sexual forced cooling.

As shown in FIG. 2 , the first adjustment assembly 7 includes an air guide cavity 701 corresponding to the heat preservation pipe, and an arc-shaped distribution plate 702 is connected in the air guide cavity 701 through a driving motor. 702 is provided with a distribution slot 703 corresponding to the partition plate 4. When in use, the movement of the distribution plate 702 is driven by a driving motor, and the relative position between the distribution slot 703 and the partition plate 4 can be further adjusted, so as to achieve adjustment into the first outlet. The purpose of the airflow in the air box 5 or the second air outlet 6 is that the first adjustment assembly 7 and the second adjustment assembly 8 have the same structure, that is, when in use, the first air outlet 5 and the second air outlet can also be controlled in this way. The air pressure in the bellows 8, so as to control the gas flow rate, are provided with temperature sensors in the first bellows 5 and the second bellows 6, which are used to detect the temperature of the air after mixing, so as to facilitate the heating of the equipment in the cabinet. Make adaptive adjustments.

It should be added that baffles 12 are provided on both the front and rear sides of the baffle 4, and a number of turbulent flow irregularly distributed and connected by iron wires are arranged on the opposite side of the baffle 12 and the baffle 4. The block 13, the spoiler block 13 is preferably a spindle structure, and the diameter of the iron wire is not more than 2 mm, so as to avoid the iron wire causing great resistance to the passing airflow. The wind blown out from the second adjustment assembly 8 will be affected by the spoiler 13, so eddy currents can be generated, so that the blown wind can be more fully mixed, and when cooling equipment with serious heat, not only can It can be cooled by low-temperature airflow, and it can also ensure that the blown airflow has enough flow to cool it down, and its cooling effect will be even better.

As shown in FIG. 2 , FIG. 5 and FIG. 6 , the second air outlet 10 is provided with a regulating valve 14 for controlling the airflow into the air duct 11 . The meshed air plates 15 are connected with a rotating disk 16 for adjusting the angle of the air plate 15 on one of the gears of the air plate 15. The regulating valve 14 is used to seal the second air outlet 10 and control the gas flow. The equipment with more serious heat can be adjusted in a targeted manner, so that it can achieve a more balanced heat dissipation. When in use, the rotating disk 16 can be rotated to drive one wind plate 15 to rotate, and the other wind plate 15 will be driven by the meshing of the gears. Then, it can achieve the purpose of complete sealing after it is rotated 90 degrees.

It should be added that a rubber sheet with an arc structure is arranged between the two wind panels 15 to seal the gap between the two wind panels 15, so as to avoid the problem of air leakage.

As shown in FIG. 1 , it also includes a control assembly 9 placed on one side of the inner wall of the cabinet 1 and used to adjust the position of the air duct 11 . The control assembly 9 includes a support column 901 and several telescopic rods 902 . Sliding slots 903 are provided on the front and rear sides of the column 901. The telescopic rod 902 is slidably connected to the supporting column 901 through the sliding grooves 903, and the end of the telescopic rod 902 away from the supporting column 901 is provided with a magnet block and a guide. The air duct 11 is far away from the connecting block 904 connected to one end of the second air outlet 10. The telescopic rod 902 is manually adjusted, and its vertical position can be freely adjusted on the support column 901 during use, further realizing the connection block. By adjusting the position of 904 in the vertical direction, and then adjusting the length of the telescopic rod 902, the lateral position of the connecting block 904 can be adjusted, and then the connecting block can be freely adjusted according to the position of the equipment with severe heat in the cabinet 1. The position of 904 makes it more convenient to separately cool and cool the equipment with severe heat. The air duct 11 is connected by means of a magnet block, which is convenient for users to disassemble and install freely according to their needs, and it will be more convenient to use. .

In addition, the support pole 901 can also be adjusted according to the position of the equipment with severe heat generation, which can facilitate the realization of the best cooling effect through the device.

As shown in FIG. 1 and FIG. 4 , the connecting block 904 is provided with an air guide groove 905 corresponding to the air guide pipe 11 , and an air guide coil is provided at the end of the air guide groove 905 away from the air guide pipe 11 . 906, the air guide groove 905 is preferably an arc-shaped structure to ensure that the wind can flow freely. The angle further ensures that when cooling equipment with serious heat, the cooling air can circulate in the best way, and the cooling effect will be even better.

As shown in FIG. 3 , a plurality of triangular fixing blocks 907 are arranged in the sliding groove 903 at equal intervals, and a fixing rod 908 corresponding to the triangular fixing block 907 is rotatably connected to the telescopic rod 902 through a rotating shaft 910 . A torsion spring is provided on the 910, and the provided torsion spring can ensure that the fixing rod 908 can always fit together with the triangular fixing block 907, and the telescopic rod 902 is also provided with a pressing rod 909 for pushing the fixing rod 908 to move. The fixed rod is provided with an inclined structure corresponding to the triangular block, and the fixed rod 908 cooperates with the set triangular fixed block 907 to form a ratchet-like structure, that is, when in use, the telescopic rod 902 can be automatically adjusted in one direction. , that is, to adjust upward, when it needs to be adjusted in another direction, that is, to move downward, you need to hold down the pressing rod 909, and the pressing rod 909 will drop, which will drive the rotation of the fixed rod 908, and the rotation of the fixed rod 908 will make it The purpose of freely adjusting the position of the telescopic rod 902 can be achieved at this time by disengaging from the fit with the triangular fixing block 907 .

Although the present utility model has been described in detail above with general description and specific embodiments, some modifications or improvements can be made on the basis of the present utility model, which is obvious to those skilled in the art. Therefore, these modifications or improvements made on the basis of not departing from the spirit of the present invention belong to the scope of protection of the present invention.

Claims (9)

1. A forced cooling device for a mobile switch cabinet, comprising a cabinet body (1) and an air conditioner (2) for refrigeration, characterized in that a bellows (3) is provided on the top of the cabinet body (1), and the The bellows (3) is connected to the air conditioner (2) through a thermal insulation pipe, and the bellows (3) is divided into a first air outlet (5) for cooling the inner space of the cabinet (1) as a whole and an opposite cabinet through a partition (4). a second air outlet box (6) for cooling the electrical components in the body (1), a first regulating assembly (7) for shunting the cooling air of the air conditioner (2) is arranged above the partition plate (4), And the lower part of the partition plate (4) is also provided with a second adjustment component (8) which is connected to the external air pump and is used to divide the cooling air of the external air pump. an air outlet (17), and a plurality of second air outlets (10) are arranged at the bottom of the second air outlet box (6), and the second air outlet (10) is connected with a magnet block. Air duct (11). 2 . The forced cooling device for a mobile switch cabinet according to claim 1 , wherein the first adjustment component ( 7 ) comprises an air guide cavity ( 701 ) corresponding to the heat preservation pipe, and the air guide cavity is located in the air guide cavity. 3 . A distribution plate (702) with an arc structure is connected in (701) through a drive motor, and a distribution slot (703) corresponding to the partition plate (4) is arranged on the distribution plate (702). 3 . The device for forced cooling of a mobile switch cabinet according to claim 1 , wherein the structure of the first adjustment assembly ( 7 ) and the second adjustment assembly ( 8 ) are the same. 4 . 4. A mobile switchgear forced cooling device according to claim 1, characterized in that, baffle plates (12) are provided on both front and rear sides of the partition plate (4), and baffle plates (12) and The opposite sides of the partition plate (4) are provided with a plurality of spoiler blocks (13) distributed in an irregular shape and connected by iron wires. 5. A forced cooling device for a mobile switch cabinet according to claim 1, characterized in that, a regulating valve (14) for controlling the air flow into the air duct (11) is provided on the second air outlet (10). ), the regulating valve (14) is rotatably connected with two wind plates (15) which are meshed and connected by gears, and a gear for adjusting the angle of the wind plate (15) is connected to the gear of one of the wind plates (15). the rotating disc (16). 6. A mobile switchgear forced cooling device according to claim 1, characterized in that it further comprises a control assembly (9) placed on one side of the inner wall of the cabinet (1) and used to adjust the position of the air duct (11). ), the control assembly (9) includes a support column (901) and a plurality of telescopic rods (902), sliding slots (903) are provided on both front and rear sides of the support column (901), and the telescopic rods ( 902) is slidably connected to the support column (901) through the sliding groove (903), and at the end of the telescopic rod (902) away from the support column (901), a magnet block and the air duct (11) away from the second A connecting block (904) connected to one end of the air outlet (10). 7 . The forced cooling device for a mobile switch cabinet according to claim 6 , wherein an air guide groove ( 905 ) corresponding to the air guide pipe ( 11 ) is opened on the connecting block ( 904 ), and the An air guiding coil (906) is provided at one end of the air guiding groove (905) away from the air guiding pipe (11). 8 . The forced cooling device for a mobile switch cabinet according to claim 6 , wherein a plurality of triangular fixing blocks ( 907 ) are arranged at equal intervals in the sliding groove ( 903 ), and a plurality of triangular fixing blocks ( 907 ) are arranged in the sliding groove ( 902 ). ) is rotatably connected with a fixing rod (908) corresponding to the triangular fixing block (907) through the rotating shaft (910), and the telescopic rod (902) is also provided with a pressing rod (909) for pushing the fixing rod (908) to move. ). 9 . The forced cooling device for a mobile switch cabinet according to claim 8 , wherein a torsion spring is provided on the rotating shaft ( 910 ). 10 .

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