Water-cooled power capacitor

Abstract

The utility model relates to the technical field of water flow heat dissipation, and provides a water-cooled power capacitor which comprises a capacitor body, a water pump and a heat removal box, a cooling box is installed on the side wall of the capacitor body, the water pump is installed at the top end of the cooling box, one end of the water pump is connected with a liquid inlet guide pipe, and the other end of the water pump is connected with a water outlet guide pipe. A cooling cavity is formed in the inner wall of the capacitor body, a condensate pipe is installed on the inner wall of the cooling cavity, one end of the condensate pipe is communicated with a water pump, the end, away from the water pump, of the condensate pipe is communicated with a liquid outlet guide pipe, and the liquid outlet guide pipe is communicated with the bottom end of a cooling box. Mounting pipes are arranged at the ends, connected with the cooling box, of the liquid inlet guide pipe and the liquid outlet guide pipe, movable grooves are uniformly formed in the inner walls of the top end and the bottom end of the cooling box, telescopic clamping pins are mounted on the inner walls of the movable grooves, and springs are mounted on the outer walls of the telescopic clamping pins. By means of the technical scheme, the problems that in the prior art, a flow guide pipe is inconvenient to disassemble and assemble, and heat dissipation is not easy are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of water cooling and heat dissipation, and specifically to a water-cooled power capacitor. Background Art

[0002] Water-cooled power capacitors are an important component used in power systems, mainly used to provide functions such as power factor correction, filtering, and power compensation. The technical background of water-cooled power capacitors covers multiple fields such as materials science, thermal engineering, electrical engineering, and safety engineering. Their design and application are aimed at improving the stability, efficiency, and reliability of power systems.

[0003] The patent specification with the announcement number CN 115732225 A discloses a water-cooled power capacitor, which is provided with a power capacitor, a shell is provided on the outside of the power capacitor, a spiral heat exchange tube is provided inside the shell, a plurality of brackets are provided inside the shell, the spiral heat exchange tube is fixedly provided inside the bracket, a cooling box is fixedly connected to the side wall of the shell, a water pump is provided at the top of the cooling box, a guide tube is fixedly connected to the top of the water pump and the bottom of the cooling box, and the ends of the two guide tubes facing away from the cooling box are respectively pressed and provided on the two pipe openings of the spiral heat exchange tube. The patent of the present invention can perform efficient heat dissipation treatment on the power capacitor to ensure the use effect of the power capacitor.

[0004] However, in the implementation of relevant technologies, it was found that the above-mentioned water-cooled power capacitor has the following problems: the device installs the guide tube through a limit block, but it is not easy to disassemble due to the structure of the limit block, and the device is not easy to dissipate heat. For this reason, we proposed a water-cooled power capacitor. Utility Model Content

[0005] The utility model provides a water-cooled power capacitor, which solves the problems in the related art of inconvenient disassembly and assembly of the flow guide tube and difficulty in heat dissipation.

[0006] The technical solution of the utility model is as follows:

[0007] A water-cooled power capacitor comprises a capacitor body, a water pump and a heat exhaust box, wherein a cooling box is installed on the side wall of the capacitor body, a water pump is installed on the top of the cooling box, one end of the water pump is connected to a liquid inlet pipe, a cooling chamber is provided on the inner wall of the capacitor body, a condensing water pipe is installed on the inner wall of the cooling chamber, one end of the condensing water pipe is communicated with the water pump, the end of the condensing water pipe away from the water pump is connected to a liquid outlet pipe, the liquid outlet pipe is connected to the bottom end of the cooling box, mounting pipes are provided on the ends of the liquid inlet pipe and the liquid outlet pipe connected to the cooling box, movable grooves are evenly provided on the inner walls of the top and bottom ends of the cooling box, telescopic pins are installed on the inner walls of the movable grooves, springs are installed on the outer walls of the telescopic pins, and a heat exhaust box is installed on the side wall of the cooling box.

[0008] Preferably, a heat conducting plate is provided on one side of the cooling box and the heat exhaust box, and fans are symmetrically installed on the outer wall of the heat conducting plate.

[0009] Preferably, the cross-section of the heat exhaust box is rectangular, and an exhaust window is provided on the outer wall of the heat exhaust box on a side away from the cooling box.

[0010] Preferably, the cooling box is provided with through holes at the top and bottom ends, and the through holes have the same outer diameter as the mounting tube.

[0011] Preferably, the cross section of the heat conducting plate is rectangular, and the heat conducting plate is made of heat conducting material.

[0012] Preferably, an annular groove is provided in the middle of the mounting tube, and a conical positioning pin is provided at the front end of the telescopic pin, and the positioning pin and the groove match each other.

[0013] Preferably, the movable groove is in the shape of a circular hole, and the outer diameter of the movable groove is the same as the front end outer diameter of the telescopic pin.

[0014] Preferably, the cross section of the exhaust window is rectangular, and heat dissipation openings are provided on the outer wall of the exhaust window at equal intervals.

[0015] The working principle and beneficial effects of the utility model are:

[0016] 1. In the utility model, by providing a water pump, a liquid inlet conduit and a mounting pipe, the water pump is started to guide the condensate inside the cooling box through the liquid inlet conduit and suck it into the inside of the condensate water pipe, the capacitor body is cooled as a whole through the condensate water pipe, and the condensate is re-circulated into the cooling box through the liquid outlet conduit for cooling. When the liquid inlet conduit and the liquid outlet conduit need to be disassembled and cleaned, the liquid inlet conduit and the liquid outlet conduit are pulled to squeeze and compress the telescopic bayonet pin and the spring outward to disassemble them. When installation is required, the liquid inlet conduit and the liquid outlet conduit are inserted into the through holes at the top and bottom ends of the cooling box to compress the telescopic bayonet pin and the spring, and then the elastic force generated by the deformation of the spring is used to drive the telescopic bayonet pin to reset so that it is clamped in the annular groove provided in the middle position of the mounting pipe to fix the liquid inlet conduit and the liquid outlet conduit.

[0017] 2. In the utility model, by providing a heat exhaust box, an exhaust window and a heat conduction plate, when the capacitor body is cooled by the condensation water pipe, the condensate inside the condensation water pipe flows back to the interior of the cooling box, and the heat in the used condensate is transferred to the interior of the heat exhaust box through the heat conduction plate, and the fan is started to quickly exhaust the heat from the exhaust window, so that the condensate is quickly cooled to improve the circulation rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0019] Figure 1 This is a schematic diagram of the main structure of the device proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the exhaust vent structure proposed by the utility model;

[0021] Figure 3 This is a schematic diagram of the half-section structure of the device body proposed by the utility model;

[0022] Figure 4 The utility model proposed Figure 3 A schematic diagram of the structure at A;

[0023] Figure 5 This is a schematic diagram of the installation pipe structure proposed by the utility model.

[0024] In the figure: 1. capacitor body; 2. cooling box; 3. water pump; 4. liquid inlet duct; 5. heat exhaust box; 6. exhaust window; 7. fan; 8. liquid outlet duct; 9. cooling chamber; 10. condensate pipe; 11. mounting pipe; 12. heat conduction plate; 13. movable slot; 14. telescopic latch; 15. spring. DETAILED DESCRIPTION

[0025] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Example 1: Figure 1 to Figure 5 As shown, this embodiment proposes a water-cooled power capacitor, including a capacitor body 1, a water pump 3 and a heat exhaust box 5, a cooling box 2 is installed on the side wall of the capacitor body 1, a water pump 3 is installed on the top of the cooling box 2, one end of the water pump 3 is connected to a liquid inlet pipe 4, a cooling chamber 9 is provided on the inner wall of the capacitor body 1, a condensing water pipe 10 is installed on the inner wall of the cooling chamber 9, one end of the condensing water pipe 10 is communicated with the water pump 3, and the end of the condensing water pipe 10 away from the water pump 3 is connected to the liquid outlet pipe 8, the liquid outlet pipe 8 is connected to the bottom end of the cooling box 2, and the ends of the liquid inlet pipe 4 and the liquid outlet pipe 8 connected to the cooling box 2 are both provided with mounting pipes 11, the inner walls of the top and bottom ends of the cooling box 2 are evenly provided with movable grooves 13, the inner walls of the movable grooves 13 are all installed with telescopic bayonet pins 14, the outer wall of the telescopic bayonet pin 14 is installed with a spring 15, and the side wall of the cooling box 2 is installed with a heat exhaust box 5.

[0027] In this embodiment, through holes are provided at the top and bottom of the cooling box 2 , and the through holes have the same outer diameter as the mounting tube 11 .

[0028] In this embodiment, an annular groove is provided in the middle of the mounting tube 11 , and a conical positioning pin is provided at the front end of the telescopic locking pin 14 , and the positioning pin and the groove match each other.

[0029] In this embodiment, the movable groove 13 is in the shape of a circular hole, and the outer diameter of the movable groove 13 and the front end of the telescopic latch 14 are the same.

[0030] Specific as Figure 1 , Figure 4 and Figure 5As shown, when this structure is used, the water pump 3 is started to guide the condensate inside the cooling box 2 into the interior of the condensate pipe 10 through the liquid inlet conduit 4, and the capacitor body 1 is cooled as a whole through the condensate pipe 10, and the condensate is re-circulated into the interior of the cooling box 2 through the liquid outlet conduit 8 for cooling. When it is necessary to disassemble and clean the liquid inlet conduit 4 and the liquid outlet conduit 8, the liquid inlet conduit 4 and the liquid outlet conduit 8 are pulled to squeeze and compress the telescopic pin 14 and the spring 15 outward to remove them. When installation is required, the liquid inlet conduit 4 and the liquid outlet conduit 8 are inserted into the through holes at the top and bottom ends of the cooling box 2 to compress the telescopic pin 14 and the spring 15, and then the elastic force generated by the deformation of the spring 15 is used to drive the telescopic pin 14 to reset so that it is clamped in the annular groove set in the middle position of the installation tube 11 to fix the liquid inlet conduit 4 and the liquid outlet conduit 8.

[0031] Embodiment 2: A heat conducting plate 12 is provided on one side of the cooling box 2 which is in contact with the heat exhaust box 5 , and fans 7 are symmetrically installed on the outer wall of the heat conducting plate 12 .

[0032] In this embodiment, the cross section of the heat exhaust box 5 is rectangular, and an exhaust window 6 is provided on the outer wall of the heat exhaust box 5 away from the cooling box 2 .

[0033] In this embodiment, the cross section of the heat conducting plate 12 is rectangular, and the heat conducting plate 12 is made of a heat conducting material.

[0034] In this embodiment, the cross section of the exhaust window 6 is rectangular, and the outer wall of the exhaust window 6 is provided with heat dissipation openings at equal intervals.

[0035] Specific as Figure 1 , Figure 2 and Figure 3 As shown, when this structure is used, when the condensate inside the condensation water pipe 10 flows back to the inside of the cooling box 2, the heat in the used condensate is transferred to the inside of the heat exhaust box 5 through the heat conduction plate 12, and the fan 7 is started to quickly exhaust the heat from the exhaust window 6, so that the condensate is quickly cooled to improve the use efficiency of the capacitor body 1.

[0036] Working principle: When the capacitor body 1 is in operation, the liquid inlet conduit 4 and the liquid outlet conduit 8 are respectively inserted into the top and bottom ends of the cooling box 2, and the mounting tube 11 provided at the front ends of the liquid inlet conduit 4 and the liquid outlet conduit 8 is used to compress the telescopic bayonet 14 and the spring 15 when the mounting tube 11 is inserted. When the annular groove provided in the middle of the mounting tube 11 moves to the side of the telescopic bayonet 14, the elastic force generated by the compression deformation of the spring 15 is used to reset the telescopic bayonet 14 and clamp it in the annular groove to fix the liquid inlet conduit 4 and the liquid outlet conduit 8, and the water pump 3 is started to pump the liquid inlet conduit 4 through the liquid inlet conduit 4. The condensate inside the cooling box 2 is led out and sucked into the condensate water pipe 10, and the capacitor body 1 is cooled as a whole through the condensate water pipe 10. The condensate is then re-circulated into the cooling box 2 for cooling through the liquid outlet pipe 8. The condensate inside the cooling box 2 is heat-conducted into the heat exhaust box 5 through the heat conduction plate 12, and the fan 7 is started to quickly dissipate the heat through the exhaust window 6 through the fan 7. This structure is not only convenient for disassembly and maintenance, but also convenient for rapid heat dissipation, convenient for the recycling of the condensate, and accelerates the cooling of the capacitor body 1, thereby improving its utilization efficiency.

[0037] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A water-cooled power capacitor, comprising a capacitor body (1), a water pump (3) and a heat exhaust box (5), characterized in that: A cooling box (2) is installed on the side wall of the capacitor body (1), a water pump (3) is installed on the top of the cooling box (2), one end of the water pump (3) is connected to a liquid inlet conduit (4), a cooling chamber (9) is provided on the inner wall of the capacitor body (1), a condensing water pipe (10) is installed on the inner wall of the cooling chamber (9), one end of the condensing water pipe (10) is in communication with the water pump (3), and the end of the condensing water pipe (10) away from the water pump (3) is connected to the liquid outlet conduit (8). The liquid outlet conduit (8) is connected to the bottom end of the cooling box (2), and one end of the liquid inlet conduit (4) and the liquid outlet conduit (8) connected to the cooling box (2) is provided with a mounting pipe (11). The inner walls of the top and bottom ends of the cooling box (2) are evenly provided with movable grooves (13), and the inner walls of the movable grooves (13) are installed with telescopic pins (14). The outer walls of the telescopic pins (14) are installed with springs (15), and the side walls of the cooling box (2) are installed with heat exhaust boxes (5).

2. A water-cooled power capacitor according to claim 1, characterized in that: A heat conducting plate (12) is provided on one side of the cooling box (2) and the heat exhaust box (5) that are in contact with each other, and a fan (7) is symmetrically mounted on the outer wall of the heat conducting plate (12).

3. A water-cooled power capacitor according to claim 1, characterized in that: The cross section of the heat exhaust box (5) is rectangular, and an exhaust window (6) is provided on the outer wall of the heat exhaust box (5) on the side away from the cooling box (2).

4. A water-cooled power capacitor according to claim 1, characterized in that: The top and bottom ends of the cooling box (2) are both provided with through holes, and the through holes have the same outer diameter as the mounting tube (11).

5. A water-cooled power capacitor according to claim 2, characterized in that: The cross section of the heat conducting plate (12) is rectangular, and the heat conducting plate (12) is made of heat conducting material.

6. A water-cooled power capacitor according to claim 4, characterized in that: An annular groove is provided in the middle of the mounting tube (11), and a conical positioning pin is provided at the front end of the telescopic pin (14), and the positioning pin and the groove match each other.

7. A water-cooled power capacitor according to claim 1, characterized in that: The movable groove (13) is in the shape of a circular hole, and the outer diameter of the movable groove (13) and the front end of the telescopic bayonet (14) are the same.

8. A water-cooled power capacitor according to claim 3, characterized in that: The cross section of the exhaust window (6) is rectangular, and heat dissipation openings are provided on the outer wall of the exhaust window (6) at equal intervals.

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