Water-cooled low-voltage reactive power compensation device

Abstract

The invention belongs to the technical field of reactive power compensation, and discloses a water-cooled low-voltage reactive power compensation device which is technically characterized by comprising a cabinet body, a fixing cylinder is fixedly mounted in an inner cavity of the cabinet body through a support, and a plurality of sets of layer plates distributed at equal intervals are fixedly mounted in an inner cavity of the fixing cylinder in the vertical direction; the inner cavity of the fixed cylinder is divided into multiple groups of water cooling cavities by the multiple groups of layer plates, backflow assemblies matched with the water cooling cavities are arranged on the side wall of the fixed cylinder, a cooling mechanism is arranged in the fixed cylinder, the cooling mechanism comprises a humidifying assembly and an air blowing assembly, and the humidifying assembly comprises a heat absorption net plate and a lifting part. The air blowing assembly comprises fan blades, a positioning part, a horizontal rotating part and a vertical rotating part, and the problems that in the heat dissipation process of an existing air cooling mode, large noise can be caused, the working environment is affected, a water cooling type heat dissipation structure only conducts heat dissipation through circulating flowing of cooling water in a pipeline, the heat conduction efficiency is low, and the cooling heat dissipation effect is poor are solved.

Description

Technical Field

[0001] The invention relates to the technical field of reactive power compensation, in particular to a water-cooled low-voltage reactive power compensation device. Background Art

[0002] Reactive power compensation devices are crucial in the power supply system. Reasonable selection of compensation devices can minimize the loss of the power grid and improve the quality of the power grid. On the contrary, if they are selected or used improperly, they may cause many problems such as voltage fluctuations in the power supply system and increased harmonics.

[0003] Reactive power compensation devices generate a lot of heat when working. Most existing reactive power compensation devices use air cooling to dissipate heat. Air cooling will cause a lot of noise during the heat dissipation process, affecting the working environment. A few water-cooled heat dissipation structures also only dissipate heat by circulating cooling water in the pipe, which has low heat conduction efficiency and poor cooling and heat dissipation effect. Summary of the invention

[0004] The object of the present invention is to provide a water-cooled low-voltage reactive power compensation device to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions: A water-cooled low-voltage reactive power compensation device comprises a cabinet, wherein a fixed cylinder is fixedly installed in the inner cavity of the cabinet through a bracket, a reactive power compensation device is arranged in the inner cavity of the cabinet, a plurality of groups of equally spaced layer plates are fixedly installed in the inner cavity of the fixed cylinder along the vertical direction, the plurality of groups of layer plates divide the inner cavity of the fixed cylinder into a plurality of groups of water-cooling chambers, a through hole connected to the water-cooling chamber is opened inwardly on the side wall of the fixed cylinder, a water tank is fixedly installed on the bottom wall of the cabinet, a pump is connected to the side wall of the water tank, a cooling water pipe is connected to the output end of the pump, a water delivery pipe is connected to the top end of the cooling water pipe, an end of the water delivery pipe away from the cooling water pipe is connected to the uppermost water-cooling chamber in the fixed cylinder, a reflux component cooperating with the water-cooling chamber is arranged on the side wall of the fixed cylinder, the reflux component is used to control the cooling water flowing out of the water delivery pipe to flow from top to bottom in a plurality of water-cooling chambers and finally flow into the water tank, the reflux component is used to keep the cooling water in the water-cooling chamber at a corresponding depth, and the inner cavity of the fixed cylinder is fixedly installed with a plurality of equally spaced layer plates, the plurality of groups of layer plates divide the inner cavity of the fixed cylinder into a plurality of water-cooling chambers and form a plurality of water-cooling chambers, the through hole is opened inwardly on the side wall of the fixed cylinder and communicated with the water-cooling chamber A cooling mechanism is provided, the cooling mechanism comprises a humidifying assembly and a blowing assembly, the humidifying assembly comprises a heat absorbing mesh plate and a lifting part, the heat absorbing mesh plate is located in the water-cooling chamber, the surface of the heat absorbing mesh plate is provided with evenly distributed meshes, the lifting part is located in the fixed cylinder and connected to the heat absorbing mesh plate, the lifting part is used to control the heat absorbing mesh plate to move in the water-cooling chamber along the vertical direction, the blowing assembly comprises a fan blade, a positioning part, a horizontal rotating part and a vertical rotating part, the positioning part is located on the side wall of the water-cooling chamber and connected to the fan blade, the positioning part is used to control the fan blade to be at the top of the water-cooling chamber, the horizontal rotating part is located on the side wall of the fixed cylinder and connected to the positioning part, the horizontal rotating part controls the fan blade to rotate in the horizontal plane by cooperating with the positioning part, the vertical rotating part is connected to the positioning part, and the vertical rotating part controls the fan blade to rotate synchronously in the vertical plane while rotating horizontally by cooperating with the positioning part.

[0006] As a further solution of the present invention: the reflux assembly includes multiple groups of water pipes fixedly installed on the side wall of the fixed cylinder, the two ends of the water pipes are respectively connected to two groups of water-cooling chambers adjacent to each other in the vertical direction, the top of the lower water pipe is located below the bottom end of the upper water pipe, and a return water pipe is fixedly installed on the side wall of the fixed cylinder, one end of the return water pipe is connected to the lowest water-cooling chamber, and the other end of the return water pipe is connected to the water tank.

[0007] As a further solution of the present invention: the lifting part includes a column rotatably installed between the top wall and the bottom wall of the fixed cylinder, the column passes through the surface of the layer plate and the heat-absorbing mesh plate, the surface of the column is provided with an external thread located in the water-cooling chamber, the column is threadedly connected to the heat-absorbing mesh plate through the external thread, a guide rod is fixedly installed between the top wall and the bottom wall of the fixed cylinder, the guide rod is slidably connected to the heat-absorbing mesh plate along the vertical direction, and the top end of the column extends to the outside of the fixed cylinder and is connected to the first motor.

[0008] As a further solution of the present invention: the positioning portion includes an annular groove opened on the side wall of the water-cooling chamber, a fixing ring is rotatably installed in the annular groove, the fixing ring extends outside the annular groove and a bearing ring is fixedly installed, and a plurality of groups of cross bars distributed in a ring shape are rotatably installed on the side wall of the bearing ring, and the plurality of groups of fan blades are evenly distributed on the surface of the cross bar.

[0009] As a further solution of the present invention: the horizontal rotating part includes two groups of relatively distributed fixed plates fixedly installed on the side walls of the fixed cylinder, a rotating column is rotatably installed between the two groups of fixed plates, one end of the rotating column is connected to the second motor, the side wall of the fixed cylinder is provided with a connecting groove connected to the ring groove, the side wall of the fixed ring is provided with an annular gear ring, and a fixed gear disc is fixedly installed on the surface of the rotating column, the fixed gear disc passes through the connecting groove and is meshed with the gear ring.

[0010] As a further solution of the present invention: the vertical rotating part includes a control gear disk fixedly installed on the surface of the cross bar, and multiple groups of connecting rods are fixedly installed on the top wall of the water cooling chamber. The bottom ends of the multiple groups of connecting rods are commonly fixedly installed with gear rings, and the gear rings are meshingly connected with the control gear disk.

[0011] As a further solution of the present invention: the annular groove is a transverse T-shaped structure, and the vertical cross-section of the fixing ring is a transverse T-shaped structure.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: by setting the reflux component to cooperate with the fixed cylinder, it is possible to control the cooling water of the corresponding depth to be stored in multiple water-cooling chambers at all times, and to control the cooling water to flow continuously; by setting the humidification component composed of the heat-absorbing mesh plate and the lifting part to cooperate with the blowing component composed of the fan blades, the positioning part, the horizontal rotating part, and the vertical rotating part, it is possible to control the cooling water to evaporate and absorb heat, thereby accelerating the cooling and heat dissipation of the cabinet cavity. The problem that the current air-cooling method causes a lot of noise in the heat dissipation process, affects the working environment, and the water-cooled heat dissipation structure only dissipates heat through the circulation of cooling water in the pipeline, has low heat conduction efficiency, and poor cooling and heat dissipation effect is solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of a water-cooled low-voltage reactive power compensation device provided in an embodiment of the present invention.

[0014] Figure 2 The present invention provides a schematic diagram of a fixed cylinder and its connection structure in a water-cooled low-voltage reactive compensation device.

[0015] Figure 3 The present invention is a schematic structural diagram of a cooling mechanism in a water-cooled low-voltage reactive power compensation device provided in an embodiment of the present invention.

[0016] Figure 4The present invention provides a schematic diagram of a central column and its connection structure in a water-cooled low-voltage reactive compensation device.

[0017] Figure 5 This is a schematic diagram of the main structure of a water-cooled low-voltage reactive power compensation device provided in an embodiment of the present invention.

[0018] Figure 6 for Figure 5 Schematic diagram of the enlarged structure of A.

[0019] Figure 7 for Figure 5 Schematic diagram of the enlarged structure of B.

[0020] Among them: 1-cabinet, 2-fixed cylinder, 21-layer plate, 22-water cooling chamber, 23-through hole, 3-water tank, 31-pump, 32-cooling water pipe, 33-water pipe, 4-reflux component, 41-water pipe, 42-return pipe, 5-cooling mechanism, 51-humidification component, 511-heat absorbing mesh plate, 512-lifting part, 5121-column, 5122-guide rod, 5123-external thread, 5124-first motor, 52-blowing Components, 521-blades, 522-positioning part, 5221-ring groove, 5222-fixing ring, 5223-bearing ring, 5224-cross bar, 523-horizontal rotating part, 5231-connecting groove, 5232-gear ring, 5233-fixing plate, 5234-rotating column, 5235-fixed gear disc, 5236-second motor, 524-vertical rotating part, 5241-control gear disc, 5242-connecting rod, 5243-gear ring. DETAILED DESCRIPTION

[0021] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other.

[0022] The specific implementation of the present invention is described in detail below in conjunction with specific embodiments.

[0023] like Figure 1 , Figure 2 , Figure 3 , Figure 5 , Figure 6The figure is a structural diagram of a water-cooled low-voltage reactive power compensation device provided by an embodiment of the present invention, comprising a cabinet 1, wherein a fixed cylinder 2 is fixedly installed in the inner cavity of the cabinet 1 through a bracket, and a reactive power compensation device is arranged in the inner cavity of the cabinet 1 (not shown in the drawings of the specification), and a plurality of groups of equally spaced layer plates 21 are fixedly installed in the inner cavity of the fixed cylinder 2 along the vertical direction, and the plurality of groups of layer plates 21 divide the inner cavity of the fixed cylinder 2 into a plurality of groups of water-cooling chambers 22, and a through hole 23 connected to the water-cooling chamber 22 is opened inwardly on the side wall of the fixed cylinder 2, and a water tank 3 is fixedly installed on the inner bottom wall of the cabinet 1, and a pump is connected to the side wall of the water tank 3. 31, the output end of the pump 31 is connected to a cooling water pipe 32, the top of the cooling water pipe 32 is connected to a water delivery pipe 33, the end of the water delivery pipe 33 away from the cooling water pipe 32 is connected to the top water cooling chamber 22 in the fixed cylinder 2, the side wall of the fixed cylinder 2 is provided with a reflux component 4 that cooperates with the water cooling chamber 22, the reflux component 4 is used to control the cooling water flowing out of the water delivery pipe 33 to flow from top to bottom in multiple water cooling chambers 22 and finally flow into the water tank 3, the reflux component 4 is used to keep the cooling water in the water cooling chamber 22 at a corresponding depth, and the fixed cylinder 2 is provided with a cooling mechanism 5 The cooling mechanism 5 includes a humidifying component 51 and a blowing component 52. The humidifying component 51 includes a heat absorbing mesh plate 511 and a lifting part 512. The heat absorbing mesh plate 511 is located in the water cooling chamber 22. The surface of the heat absorbing mesh plate 511 is provided with evenly distributed meshes. The lifting part 512 is located in the fixed cylinder 2 and is connected to the heat absorbing mesh plate 511. The lifting part 512 is used to control the heat absorbing mesh plate 511 to move in the vertical direction in the water cooling chamber 2. The blowing component 52 includes a fan blade 521, a positioning part 522, a horizontal rotating part 523 and a vertical rotating part 524. The positioning portion 522 is located on the side wall of the water-cooling chamber 22 and is connected to the fan blade 521. The positioning portion 522 is used to control the fan blade 521 to be at the top of the water-cooling chamber 22. The horizontal rotating portion 523 is located on the side wall of the fixed cylinder 2 and is connected to the positioning portion 522. The horizontal rotating portion 523 controls the fan blade 521 to rotate in the horizontal plane by cooperating with the positioning portion 522. The vertical rotating portion 524 is connected to the positioning portion 522. The vertical rotating portion 524 controls the fan blade 521 to rotate synchronously in the vertical plane while rotating horizontally by cooperating with the positioning portion 522.

[0024] During use, when the temperature of the inner cavity of the cabinet 1 rises and needs to be dissipated, the pump 31 transports the cooling water in the water tank 3 to the cooling water pipe 32. The cooling water pipe 32 can perform preliminary cooling treatment on the inner cavity of the cabinet 1. The cooling water continues to flow through the water pipe 33 and further flows to the water-cooling cavity 22 in the fixed cylinder 2. The reflux component 4 controls the cooling water to flow continuously from top to bottom in multiple water-cooling cavities 22 and finally flows back to the water tank 3. The water-cooling cavity 22 always contains cooling water of a corresponding depth. The heat-absorbing mesh plate 511 absorbs the heat in the cabinet 1 and then heats up. Initially, the lifting part 512 controls the heat-absorbing mesh plate 511 to move vertically downward in the water-cooling cavity 22. At this time, the heat-absorbing mesh plate 511 is immersed in the cooling water at the bottom of the water-cooling cavity 22. The cooling water can cool the heat-absorbing mesh plate 511. After rapid cooling treatment, the lifting part 512 controls the heat absorbing mesh plate 511 to move vertically upward in the water-cooling chamber 22. At this time, the heat absorbing mesh plate 511 moves above the cooling water, and the mesh structure of the heat absorbing mesh plate 511 can evenly adhere to an appropriate amount of cooling water. The horizontal rotating part 523 cooperates with the positioning part 522 to control the fan blades 521 to rotate horizontally above the heat absorbing mesh plate 511. When the fan blades 521 rotate horizontally, the vertical rotating part 524 controls the fan blades 521 to rotate synchronously in the vertical plane. The continuous rotation of the fan blades 521 can accelerate the air flow speed in the water-cooling chamber 22, thereby accelerating the evaporation of water on the surface of the heat absorbing mesh plate 511. The water evaporation on the surface of the heat absorbing mesh plate 511 absorbs heat, which can quickly dissipate heat to the fixed cylinder 2 and the inner cavity of the cabinet 1. After the water on the surface of the heat absorbing mesh plate 511 evaporates completely, the lifting part 512 controls the heat absorbing mesh plate 511 to move downward into the cooling water again, and this cycle is repeated to efficiently cool the inner cavity of the cabinet 1.

[0025] like Figure 1 , Figure 2 , Figure 3 As shown, as a preferred embodiment of the present invention, the reflux assembly 4 includes a plurality of water pipes 41 fixedly installed on the side wall of the fixed cylinder 2, the two ends of the water pipes 41 are respectively connected to two groups of water-cooling chambers 22 adjacent to each other in the vertical direction, the top of the lower water pipe 41 is located below the bottom of the upper water pipe 41, and a return water pipe 42 is fixedly installed on the side wall of the fixed cylinder 2, one end of the return water pipe 42 is connected to the lowest water-cooling chamber 22, and the other end of the return water pipe 42 is connected to the water tank 3.

[0026] The cooling water is continuously delivered to the water-cooling chamber 22 at the top of the fixed cylinder 2. When the cooling water reaches a certain height, the cooling water can automatically flow to the water-cooling chamber 22 below through the water pipe 41. The cooling water continuously flows from top to bottom, and the cooling water finally flows back to the water tank 3. The cooling water in multiple water-cooling chambers 22 always maintains a corresponding depth.

[0027] like Figure 2 , Figure 3 , Figure 4 , Figure 7 As shown, as a preferred embodiment of the present invention, the lifting part 512 includes a column 5121 rotatably installed between the top wall and the bottom wall of the fixed cylinder 2, the column 5121 passes through the surface of the layer plate 21 and the heat-absorbing mesh plate 511, and the surface of the column 5121 is provided with an external thread 5123 located in the water-cooling chamber 22, the column 5121 is threadedly connected to the heat-absorbing mesh plate 511 through the external thread 5123, a guide rod 5122 is fixedly installed between the top wall and the bottom wall of the fixed cylinder 2, the guide rod 5122 is slidably connected to the heat-absorbing mesh plate 511 along the vertical direction, and the top end of the column 5121 extends to the outside of the fixed cylinder 2 and is connected to the first motor 5124.

[0028] When in use, the first motor 5124 drives the column 5121 to rotate, and the column 5121 is spirally transmitted with the heat-absorbing mesh plate 511 through the external thread 5123. The column 5121 can push the heat-absorbing mesh plate 511 to move in the vertical direction in the water-cooling chamber 22. Initially, the heat-absorbing mesh plate 511 moves vertically downward and then immerses in the cooling water. Then, the first motor 5124 rotates in the opposite direction, and the heat-absorbing mesh plate 511 moves vertically upward. At this time, the heat-absorbing mesh plate 511 moves above the cooling water.

[0029] like Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 As shown, as a preferred embodiment of the present invention, the positioning portion 522 includes an annular groove 5221 opened on the side wall of the water-cooling chamber 22, a fixing ring 5222 is rotatably installed in the annular groove 5221, the fixing ring 5222 extends to the outside of the annular groove 5221 and is fixedly installed with a supporting ring 5223, and a plurality of groups of cross bars 5224 distributed in an annular shape are rotatably installed on the side wall of the supporting ring 5223, and a plurality of groups of fan blades 521 are evenly distributed on the surface of the cross bar 5224.

[0030] When the heat absorbing mesh plate 511 is above the cooling water in the water-cooling chamber 22, the horizontal rotating part 523 controls the fixed ring 5222 to rotate in the ring groove 5221, and the fixed ring 5222 drives the supporting ring 5223 to rotate synchronously in the water-cooling chamber 22. The supporting ring 5223 cooperates with the cross bar 5224 to drive the fan blades 521 to rotate around the column 5121 in the horizontal plane.

[0031] like Figure 2 , Figure 3 , Figure 5 , Figure 6As shown, as a preferred embodiment of the present invention, the horizontal rotating part 523 includes two groups of relatively distributed fixed plates 5233 fixedly installed on the side wall of the fixed cylinder 2, a rotating column 5234 is rotatably installed between the two groups of fixed plates 5233, one end of the rotating column 5234 is connected to the second motor 5236, the side wall of the fixed cylinder 2 is provided with a connecting groove 5231 connected to the annular groove 5221, the side wall of the fixed ring 5222 is provided with an annular gear ring 5232, and a fixed toothed disc 5235 is fixedly installed on the surface of the rotating column 5234, and the fixed toothed disc 5235 passes through the connecting groove 5231 and is meshed with the gear ring 5232.

[0032] When in use, the second motor 5236 drives the rotating column 5234 to rotate, and the rotating column 5234 drives the fixed gear plate 5235 to rotate. The fixed gear plate 5235 is meshed with the gear ring 5232 for transmission, and can drive the fixed ring 5222 to rotate in the ring groove 5221.

[0033] like Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 As shown, as a preferred embodiment of the present invention, the vertical rotating part 524 includes a control gear disc 5241 fixedly installed on the surface of the cross bar 5224, and a plurality of groups of connecting rods 5242 are fixedly installed on the top wall of the water cooling chamber 22, and a gear ring 5243 is fixedly installed on the bottom ends of the plurality of groups of connecting rods 5242, and the gear ring 5243 is meshingly connected with the control gear disc 5241.

[0034] The carrying ring 5223 drives the cross bar 5224 and the fan blades 521 to rotate around the column 5121. When rotating, the cross bar 5224 drives the control gear plate 5241 to move synchronously. The control gear plate 5241 rolls along the surface of the gear ring 5243. The control gear plate 5241 drives the cross bar 5224 to rotate around the column 5121 while rotating. The cross bar 5224 drives the fan blades 521 to rotate synchronously. The fan blades 521 can accelerate the air flow speed on the surface of the heat absorbing mesh plate 511, thereby accelerating the evaporation rate of water on the surface of the heat absorbing mesh plate 511.

[0035] like Figure 5 , Figure 6 As shown, as a preferred embodiment of the present invention, the annular groove 5221 is a transverse T-shaped structure, and the vertical section of the fixing ring 5222 is a transverse T-shaped structure.

[0036] The working principle of the present invention is: when the temperature of the inner cavity of the cabinet 1 rises and needs to be dissipated, the pump 31 transports the cooling water in the water tank 3 to the cooling water pipe 32. The cooling water pipe 32 can perform preliminary cooling treatment on the inner cavity of the cabinet 1. The cooling water continues to flow through the water pipe 33 and is continuously transported to the water cooling cavity 22 at the top of the fixed cylinder 2. After the cooling water reaches a certain height, the cooling water can automatically flow to the water cooling cavity 22 below through the water pipe 41. The cooling water continues to flow from top to bottom, and the cooling water finally flows back to the water tank 3, and the cooling water in multiple water cooling cavities 22 always maintains a corresponding depth.

[0037] The first motor 5124 drives the column 5121 to rotate, and the column 5121 is screwed with the heat absorbing mesh plate 511 through the external thread 5123. The column 5121 can push the heat absorbing mesh plate 511 to move in the vertical direction in the water cooling chamber 22. Initially, the heat absorbing mesh plate 511 moves vertically downward and then immerses in the cooling water. The cooling water can quickly cool the heat absorbing mesh plate 511. Then, the first motor 5124 rotates in the opposite direction, and the heat absorbing mesh plate 511 moves vertically upward. At this time, the heat absorbing mesh plate 511 moves above the cooling water. The second motor 5236 drives the rotating column 5234 to rotate, and the rotating column 5234 drives the fixed toothed disc 5235 to rotate. The fixed toothed disc 5235 is meshed with the gear ring 5232 for transmission, and can drive the fixed ring 5222 to rotate in the ring groove 5221. The fixed ring 5222 drives the bearing ring 5223 to rotate synchronously in the water-cooling chamber 22. The bearing ring 5223 cooperates with the cross bar 5224 to drive the fan blades 521 to rotate around the column 5121 in the horizontal plane. The gear plate 5241 is controlled to roll along the surface of the gear ring 5243, and the gear plate 5241 drives the cross bar 5224 to rotate while rotating around the column 5121. The cross bar 5224 drives the fan blades 521 to rotate synchronously. The continuous rotation of the fan blades 521 can accelerate the air flow speed in the water-cooling chamber 22, thereby accelerating the evaporation of water on the surface of the heat-absorbing mesh plate 511. The evaporation of water on the surface of the heat-absorbing mesh plate 511 absorbs heat, which can quickly dissipate heat from the fixed cylinder 2 and the inner cavity of the cabinet 1. After the water on the surface of the heat-absorbing mesh plate 511 evaporates, the heat-absorbing mesh plate 511 moves downward into the cooling water again. This cycle is repeated, and the inner cavity of the cabinet 1 can be efficiently cooled.

[0038] The preferred embodiments of the present invention are described in detail above, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in this field without departing from the purpose of the present invention.

Claims

1. A water-cooled low-voltage reactive power compensation device, comprising a cabinet, characterized in that: The inner cavity of the cabinet is fixedly installed with a fixed cylinder through a bracket, the inner cavity of the cabinet is provided with a reactive power compensation device, a plurality of groups of equally spaced layer plates are fixedly installed in the inner cavity of the fixed cylinder along the vertical direction, the plurality of groups of layer plates divide the inner cavity of the fixed cylinder into a plurality of groups of water-cooling chambers, the side wall of the fixed cylinder is provided with a through hole connected with the water-cooling chamber inwardly, a water tank is fixedly installed on the bottom wall of the cabinet, a pump is connected to the side wall of the water tank, a cooling water pipe is connected to the output end of the pump, a water delivery pipe is connected to the top of the cooling water pipe, an end of the water delivery pipe away from the cooling water pipe is connected to the uppermost water-cooling chamber in the fixed cylinder, a reflux component cooperating with the water-cooling chamber is provided on the side wall of the fixed cylinder, the reflux component is used to control the cooling water flowing out of the water delivery pipe to flow from top to bottom in a plurality of water-cooling chambers and finally flow into the water tank, the reflux component is used to keep the cooling water in the water-cooling chamber at a corresponding depth, a cooling mechanism is provided in the fixed cylinder, the The cooling mechanism includes a humidifying component and a blowing component, the humidifying component includes a heat absorbing mesh plate and a lifting part, the heat absorbing mesh plate is located in the water-cooling chamber, and the surface of the heat absorbing mesh plate is provided with evenly distributed meshes, the lifting part is located in the fixed cylinder and connected to the heat absorbing mesh plate, and the lifting part is used to control the heat absorbing mesh plate to move in the water-cooling chamber along the vertical direction, the blowing component includes a fan blade, a positioning part, a horizontal rotating part and a vertical rotating part, the positioning part is located on the side wall of the water-cooling chamber and connected to the fan blade, the positioning part is used to control the fan blade to be at the top of the water-cooling chamber, the horizontal rotating part is located on the side wall of the fixed cylinder and connected to the positioning part, the horizontal rotating part controls the fan blade to rotate in the horizontal plane by cooperating with the positioning part, the vertical rotating part is connected to the positioning part, and the vertical rotating part controls the fan blade to rotate synchronously in the vertical plane while rotating horizontally by cooperating with the positioning part.

2. A water-cooled low-voltage reactive power compensation device according to claim 1, characterized in that: The reflux assembly includes a plurality of water pipes fixedly installed on the side wall of the fixed cylinder, the two ends of the water pipes are respectively connected to two groups of water cooling chambers adjacent to each other in the vertical direction, the top of the lower water pipe is located below the bottom of the upper water pipe, and a return water pipe is fixedly installed on the side wall of the fixed cylinder, one end of the return water pipe is connected to the lowest water cooling chamber, and the other end of the return water pipe is connected to the water tank.

3. A water-cooled low-voltage reactive power compensation device according to claim 1, characterized in that: The lifting part includes a column rotatably installed between the top wall and the bottom wall of the fixed cylinder, the column passes through the layer plate and the surface of the heat-absorbing mesh plate, the surface of the column is provided with an external thread located in the water-cooling chamber, the column is threadedly connected to the heat-absorbing mesh plate through the external thread, a guide rod is fixedly installed between the top wall and the bottom wall of the fixed cylinder, the guide rod is slidably connected to the heat-absorbing mesh plate along the vertical direction, and the top end of the column extends to the outside of the fixed cylinder and is connected to the first motor.

4. A water-cooled low-voltage reactive power compensation device according to claim 1, characterized in that: The positioning part includes an annular groove opened on the side wall of the water-cooling cavity, a fixing ring is rotatably installed in the annular groove, the fixing ring extends out of the annular groove and a bearing ring is fixedly installed, and multiple groups of cross bars distributed in an annular shape are rotatably installed on the side wall of the bearing ring, and multiple groups of fan blades are evenly distributed on the surface of the cross bar.

5. A water-cooled low-voltage reactive power compensation device according to claim 4, characterized in that: The horizontal rotating part includes two groups of relatively distributed fixed plates fixedly installed on the side walls of the fixed cylinder, a rotating column is rotatably installed between the two groups of fixed plates, one end of the rotating column is connected to the second motor, a connecting groove connected to the ring groove is opened inwardly on the side wall of the fixed cylinder, an annular gear ring is arranged on the side wall of the fixed ring, a fixed gear disc is fixedly installed on the surface of the rotating column, the fixed gear disc passes through the connecting groove and is meshed with the gear ring.

6. A water-cooled low-voltage reactive power compensation device according to claim 5, characterized in that: The vertical rotating part includes a control gear disk fixedly installed on the surface of the crossbar, and a plurality of connecting rods are fixedly installed on the top wall of the water cooling chamber. A gear ring is fixedly installed on the bottom ends of the plurality of connecting rods, and the gear ring is meshed and connected with the control gear disk.

7. A water-cooled low-voltage reactive power compensation device according to claim 4, characterized in that: The annular groove is a transverse T-shaped structure, and the vertical cross section of the fixing ring is a transverse T-shaped structure.

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