Water cooling cabinet and water cooling system

Abstract

The utility model relates to the subway SVG reactive power compensation cabinet heat radiation field, especially relates to a water cooling cabinet and a water cooling system, the water cooling cabinet comprises a cabinet body, the cabinet body is provided with an accommodation space, and the accommodation space is provided with a water cooling pipeline and a water supplementing tank; the water cooling pipeline is provided with a pump machine, the water supplementing tank is communicated with the water cooling pipeline through a water supplementing pipeline, and the water supplementing pipeline is provided with an ion exchange tank and a water supplementing pump which are arranged at intervals; the ion exchange tank is located at the upstream of the water replenishing pump in the medium flowing direction of the water replenishing pipeline; by arranging the ion exchange tank and the water replenishing tank, a cooling medium replenished into the water cooling pipeline can be softened, and pipeline blockage is avoided; the water-cooling system adopts the water-cooling cabinet, so that the normal operation of the water-cooling system is guaranteed, the failure rate of the water-cooling system is reduced, the service life of the water-cooling system is prolonged, the subway SVG reactive power compensation cabinet is enabled to dissipate heat in time, and the normal operation of a subway is guaranteed.

Description

Technical Field

[0001] The utility model relates to the field of heat dissipation of a subway SVG reactive compensation cabinet, in particular to a water cooling cabinet and a water cooling system. Background Art

[0002] In the subway traction power supply system, reactive current causes large voltage losses in the system, traction transformer, overhead line, etc., which will lead to a decrease in the voltage at the end of the traction network; when the subway traction system is in operation, the reactive power changes rapidly and the voltage fluctuates greatly, which seriously affects the power quality of the public power grid and poses a safety hazard; in response to the above problems, an SVG reactive compensation cabinet is set up to compensate the line; the SVG reactive compensation cabinet will generate a lot of heat during operation. In a relatively closed environment, water cooling is usually used for heat dissipation. In order to ensure the stable operation of the water-cooled heat dissipation device, the cooling medium needs to be regularly added to the water-cooled heat dissipation device.

[0003] However, the current cooling medium for water-cooled heat sinks is liquid water, and operators directly replenish it through external water sources. The hardness of the replenished liquid water is relatively high. During the operation of the water-cooled heat sink, flocculants are adsorbed on the inner wall of the circulation pipe, causing the flow of liquid water in the water-cooled heat sink to slow down. In severe cases, the circulation pipe will be blocked, causing the water-cooled heat sink to malfunction. Utility Model Content

[0004] The utility model aims to overcome the disadvantage of the prior art that the hardness of liquid water supplemented to the SVG reactive power compensation cabinet is relatively large, and provides a water cooling cabinet and a water cooling system.

[0005] In a first aspect, the utility model provides a water cooling cabinet, comprising

[0006] A cabinet body, wherein the cabinet body has a receiving space, and the receiving space is provided with a water cooling pipeline and a water supply tank;

[0007] The water cooling pipeline is provided with a pump, the water supply tank is connected to the water cooling pipeline through the water supply pipeline, the water supply pipeline is provided with an ion exchange tank and a water supply pump, and the ion exchange tank and the water supply pump are arranged at intervals; along the medium flow direction of the water supply pipeline, the ion exchange tank is located upstream of the water supply pump.

[0008] The utility model discloses a water-cooling cabinet, wherein a pump is used for driving the cooling water in the water-cooling pipeline to flow, so that the cooling water can continuously flow from one end of the water-cooling pipeline to the other end; a water supply tank can replenish the cooling water in the water-cooling pipeline, a water supply pump is arranged on the water supply pipeline, and the water supply pump can draw the cooling water from the water supply tank into the water-cooling pipeline for replenishment; an ion exchange tank is arranged downstream of the water supply pump, and the ion exchange tank is used for removing hardness ions in the cooling water, so that the cooling water entering the water-cooling pipeline is softened and flocculants are avoided; the water supply tank and the pump are both arranged in the cabinet, so as to facilitate centralized maintenance by operators.

[0009] Preferably, the water cooling pipeline includes a liquid inlet pipe section, a liquid outlet pipe section and several water cooling branches, one end of the water cooling branch is connected to the liquid inlet pipe section, and the other end is connected to the liquid outlet pipe section, and each water cooling branch is respectively provided with the pump; the water supply pipeline is connected to the liquid inlet pipe section.

[0010] A plurality of water cooling branches are arranged between the liquid inlet pipe section and the liquid outlet pipe section, and a pump is arranged on each water cooling branch. The pumps can be opened and used alternately, so that the service life of the pumps can be extended, thereby extending the maintenance cycle of the water cooling cabinet; when the medium in the water cooling pipeline needs to flow quickly, the cooling water flow rate in the water cooling pipeline is accelerated by opening multiple pumps at the same time.

[0011] Preferably, the liquid inlet pipe section and the liquid outlet pipe section respectively penetrate the cabinet body, and the liquid inlet pipe section and the liquid outlet pipe section are respectively provided with flanges.

[0012] Flanges are respectively provided at the ends of the liquid inlet pipe section and the liquid discharge pipe section, through which the water cooling pipeline can be quickly connected to the pipeline; the joint of the liquid inlet pipe section and the liquid discharge pipe section is arranged outside the cabinet body, which is convenient for operation by operators.

[0013] Preferably, the water replenishment tank has a water replenishment cavity, and the water replenishment pipeline is connected to the bottom of the water replenishment cavity.

[0014] Cooling water is stored in the water replenishment chamber, and the water replenishment pipeline is connected to the bottom of the water replenishment chamber, so that the cooling water can be discharged easily under the action of gravity.

[0015] Preferably, the accommodating space is provided with a bracket, the bracket is connected to the bottom plate of the cabinet, the bracket is connected to the water replenishment tank, and the water replenishment tank is spaced apart from the bottom plate; the bottom plate is provided with a support column, and the support column abuts against the water replenishment pipeline.

[0016] By setting a bracket, the bottom of the water supply tank is supported to the bottom plate away from the cabinet body, so that there is a gap between the water supply tank and the bottom plate, and the water supply pipeline can pass through the gap between the water supply tank and the bottom plate, so that the water supply pipeline is convenient for installation at the bottom of the water supply tank; the gap set between the water supply tank and the bottom plate is convenient for operators to maintain the water supply tank and the water supply pipeline; the support column can support the water supply pipeline to prevent the water supply pipeline from deformation and loosening, and a slot is set at the top of the support column, which is adapted to be connected with the outer wall of the water supply pipeline through the slot, so that the water supply pipeline can be further clamped and fixed, thereby improving the stability of the water supply pipeline.

[0017] Preferably, the water cooling pipeline is provided with a pressure tank and a pressure gauge, the pressure tank is located between the water supply pipeline and the pump, the pressure tank is connected to the cabinet, and the pressure gauge is spaced apart from the pressure tank.

[0018] An air bag is provided in the pressure tank, which applies pressure to the cold water pipeline to ensure the circulation pressure in the cold water pipeline and improve the fluidity of the cooling medium; the pressure gauge can monitor the pressure changes in the water cooling pipeline.

[0019] Preferably, the cabinet is a rectangular cabinet, and a maintenance port communicating with the accommodating space is provided on a side of the cabinet; the maintenance port is covered with a cover plate, and the cover plate is hinged to the cabinet.

[0020] The maintenance opening is provided to facilitate operators to maintain the components in the cabinet; a cover is provided on the maintenance opening to protect the components in the cabinet; the cover is hinged to the cabinet to facilitate opening and closing; the rectangular cabinet can be more convenient to install.

[0021] In a second aspect, the utility model provides a water cooling system, comprising a heat exchanger, a water-cooled plate, a circulation pipeline and a water-cooled cabinet as mentioned above, wherein one end of the water-cooled pipeline is connected to the heat exchanger and the other end is connected to the water-cooled plate; one end of the circulation pipeline is connected to the heat exchanger and the other end is connected to the water-cooled plate.

[0022] The utility model discloses a water cooling system. Through a water supply tank, a water supply pipeline and an ion exchange tank, cooling water injected into the water cooling pipeline is softened by the ion exchange tank, thereby preventing flocculants from appearing in the water cooling system, ensuring the heat dissipation performance of the water cooling system, ensuring the normal operation of the water cooling system, reducing the failure rate of the water cooling system, and increasing the life of the water cooling system. The metro SVG reactive compensation cabinet dissipates heat in time, thereby ensuring the normal operation of the metro. The cooling water is stored in the water supply tank for a long time, so that the cooling water can be quickly added to the water cooling pipeline, thereby reducing the labor intensity of operators.

[0023] Preferably, the water replenishment pipeline is provided with a water replenishment branch, the water replenishment branch is connected to the circulation pipeline, and along the medium flow direction of the water replenishment pipeline, the water replenishment branch is located downstream of the ion exchange tank.

[0024] By setting up a water make-up branch, when replenishing cooling water, the water make-up tank replenishes cooling water to the water cooling pipeline and the circulation pipeline at the same time, which can avoid excessive pressure on one side of the circulation loop affecting the local cooling water flow rate in the water cooling system and ensure the stable operation of the water cooling system.

[0025] Preferably, it further comprises a heating pipe section, the water-cooling plate is connected to the water-cooling pipeline through the heating pipe section, and a heating device is provided on the outer wall of the heating pipe section.

[0026] In a low temperature environment, the cooling water in the water cooling system may freeze. The heating device is used to heat the pipe section to restore the cooling water to a liquid state to ensure the normal operation of the water cooling system.

[0027] Compared with the prior art, the utility model has the following beneficial effects:

[0028] 1. The utility model relates to a water-cooled cabinet, wherein the pump is used to drive the cooling water in the water-cooled pipeline to flow, so that the cooling water can continuously flow from one end of the water-cooled pipeline to the other end; the water supply tank can replenish the cooling water in the water-cooled pipeline, and a water supply pump is arranged on the water supply pipeline, and the water supply pump can draw cooling water from the water supply tank to the water-cooled pipeline for liquid replenishment; an ion exchange tank is arranged downstream of the water supply pump, and the ion exchange tank is used to remove hardness ions in the cooling water, so that the cooling water entering the water-cooled pipeline is softened to avoid the generation of flocculants; the water supply tank and the pump are both arranged in the cabinet, which is convenient for operators to maintain in a centralized manner;

[0029] 2. The utility model provides a water cooling system, which uses a water supply tank, a water supply pipeline and an ion exchange tank, so that the cooling water injected into the water cooling pipeline is softened by the ion exchange tank, thereby avoiding the appearance of flocculants in the water cooling system, ensuring the heat dissipation performance of the water cooling system, ensuring the normal operation of the water cooling system, reducing the failure rate of the water cooling system, and increasing the life of the water cooling system, so that the subway SVG reactive compensation cabinet can dissipate heat in time, ensuring the normal operation of the subway; by storing cooling water in the water supply tank for a long time, the cooling water can be quickly added to the water cooling pipeline, reducing the labor intensity of the operators. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is a schematic diagram of the structure of the water cooling cabinet of the utility model;

[0031] Figure 2 It is a partial enlarged structural schematic diagram of the water cooling cabinet of the utility model;

[0032] Figure 3 It is a structural schematic diagram of the water cooling system of the utility model.

[0033] Markings in the figure:

[0034] 1-cabinet, 2-accommodating space, 3-water cooling pipeline, 31-liquid inlet pipe section, 32-water cooling branch, 33-liquid outlet pipe section, 4-water supply tank, 5-pump, 6-bracket, 7-maintenance port, 8-cover plate, 9-water supply pipeline, 10-water supply pump, 11-ion exchange tank, 12-pressure tank, 13-pressure gauge, 14-support column, 101-heat exchanger, 102-water cooling plate, 103-circulation pipeline, 104-water supply branch, 105-heating device. DETAILED DESCRIPTION

[0035] The present invention is further described in detail below in conjunction with specific embodiments. However, this should not be understood as the scope of the above subject matter of the present invention being limited to the following embodiments, and all technologies realized based on the content of the present invention belong to the scope of the present invention.

[0036] Unless otherwise specified, in the description of the specific embodiments of the present utility model, the expression terms indicating the orientation or position relationship such as "upper", "lower", "left", "right", "center", "inside", "outside", etc. are all based on the expression of the orientation or position relationship shown in the drawings, or the orientation or position relationship when the product / equipment / device of the utility model is usually used. These terms of orientation or position relationship are only for the convenience of describing the scheme of the utility model or simplifying the description in the specific embodiments, so that technicians can quickly understand the scheme, rather than indicating or implying that a specific device / component / element must have a specific orientation, or be constructed and operated in a specific position relationship, and therefore cannot be understood as a limitation on the present utility model.

[0037] In addition, if the terms "horizontal", "vertical", "overhanging", "parallel" and the like appear, it does not mean that the corresponding devices / components / elements are required to be absolutely horizontal or vertical or overhanging or parallel, but may be slightly tilted or have deviations. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but may be slightly tilted. Alternatively, it can be simplified to mean that the corresponding devices / components / elements are set in directions such as "horizontal", "vertical", "overhanging", "parallel", etc., and can have an error / deviation of ±10% relative to the corresponding direction setting, more preferably an error / deviation within ±8%, more preferably an error / deviation within ±6%, more preferably an error / deviation within ±5%, and more preferably an error / deviation within ±4%. As long as the corresponding devices / components / elements are within the error / deviation range, they can still achieve their functions in the solution of the utility model.

[0038] In addition, the expressions “first”, “second”, “third”, etc., which appear in the terms, are merely used to distinguish the description of the same or similar components and should not be understood as emphasizing or implying the relative importance of specific components.

[0039] In addition, in the description of the embodiments of the present invention, "several", "multiple" and "a number" represent at least 2. It can be any number such as 2, 3, 4, 5, 6, 7, 8, 9, and even more than 9.

[0040] In addition, in the description of the technical solution of the utility model, unless otherwise clearly specified / defined / restricted, the terms "set", "install", "connect", "connected", "provided with", "laid", and "arranged" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, and can be welding, riveting, bolting, threading, and other commonly used connection means in the field. This connection can be a mechanical connection, an electrical connection, or a communication connection; it can be a direct connection, or an indirect connection through an intermediate medium, and it can be the internal communication of two components.

[0041] Example 1

[0042] like Figure 1-Figure 3 As shown, a water cooling cabinet includes

[0043] A cabinet 1, wherein the cabinet 1 has a receiving space 2, and the receiving space 2 is provided with a water cooling pipeline 3 and a water supply tank 4;

[0044] The water cooling pipeline 3 is provided with a pump 5, the water supply tank 4 is connected to the water cooling pipeline 3 through a water supply pipeline 9, the water supply pipeline 9 is provided with an ion exchange tank 11 and a water supply pump 10, and the ion exchange tank 11 and the water supply pump 10 are arranged at intervals; along the medium flow direction of the water supply pipeline 9, the ion exchange tank 11 is located upstream of the water supply pump 10.

[0045] The pump 5 is used to drive the cooling water in the water-cooling pipeline 3 to flow, so that the cooling water can continuously flow from one end of the water-cooling pipeline 3 to the other end; the water supply tank 4 can replenish the cooling water in the water-cooling pipeline 3, and a water supply pump 10 is arranged on the water supply pipeline 9, and the water supply pump 10 can draw cooling water from the water supply tank 4 to the water-cooling pipeline 3 for replenishment; an ion exchange tank 11 is arranged downstream of the water supply pump 10, and the ion exchange tank 11 is used to remove hardness ions in the cooling water, so that the cooling water entering the water-cooling pipeline 3 is softened to avoid the formation of flocculants; the water supply tank 4 and the pump 5 are both arranged in the cabinet 1, which is convenient for operators to carry out centralized maintenance.

[0046] In one or several embodiments, the water cooling pipeline 3 is composed of a liquid inlet pipe section 31, a liquid outlet pipe section 33 and two water cooling branches 32, so that one end of the water cooling branch 32 is connected to the liquid inlet pipe section 31 and the other end is connected to the liquid outlet pipe section 33, and each water cooling branch 32 is provided with a pump 5; when in use, one of the pumps 5 can be selected to operate, and the pumps 5 on different water cooling branches 32 are used alternately, thereby improving the service life of the pump 5 of the water cooling cabinet as a whole, thereby extending the maintenance cycle of the water cooling cabinet; if the cooling water in the water cooling pipeline 3 needs to flow quickly, two pumps 5 can be started at the same time; the water supply pipeline 9 is connected to the liquid inlet pipe section 31, so that the water supply pipeline 9 can be quickly pushed by the pump 5 after replenishing the water cooling pipeline 3; in some embodiments, the water cooling branch 32 can be set to one or more than two.

[0047] In an optional embodiment, the liquid inlet pipe section 31 and the liquid outlet pipe section 33 respectively pass through the cabinet 1; the end of the liquid inlet pipe section 31 passes through the cabinet 1, and the end of the liquid outlet pipe section passes through the cabinet 1, and the pipeline is connected outside the cabinet 1 for easy operation; a flange is set at the end of the liquid inlet pipe section 31 for easy pipeline connection, and a flange is set at the end of the liquid outlet pipe section 33 for easy pipeline connection.

[0048] In one or several embodiments, the water replenishment tank 4 is a cylindrical box body, and the water replenishment tank 4 has a water replenishment cavity, which is used to store cooling water. The water replenishment cavity should be a sealed chamber to prevent the cooling water in the water replenishment cavity from being contaminated multiple times. An air hole connected to the water replenishment cavity is arranged in the water replenishment tank 4, and the air hole is opened only when water is replenished to the water cooling pipeline 3, so that the cooling water can smoothly enter the water replenishment pipeline 9; the water replenishment pipeline 9 is connected to the bottom of the water replenishment cavity, and under the action of gravity, the cooling water is convenient to discharge from the water replenishment cavity; in some embodiments, the bottom of the water replenishment cavity is constructed into a funnel shape, and the water replenishment pipeline 9 is connected to the lowest point of the funnel shape.

[0049] In an optional embodiment, the cabinet 1 is provided with a bracket 6, which is a frame structure. The bracket 6 is arranged on the bottom plate of the cabinet 1, and the bracket 6 is connected and fixed to the bottom plate of the cabinet 1 by bolts. A water replenishment tank 4 is placed on the top of the bracket 6, so that the water replenishment tank 4 and the bracket 6 are detachably connected, and the water replenishment tank 4 and the bottom plate are spaced apart. The water replenishment pipeline 9 can be arranged between the water replenishment tank 4 and the bottom plate, which is convenient for operators to operate and maintain; a support column 14 is provided on the bracket 6, so that one end of the support column 14 is connected to the bracket 6, and the other end is abutted against the water replenishment pipeline 9, so as to support the water replenishment pipeline 9 and prevent the water replenishment pipeline 9 from deformation and loosening; in some embodiments, a through groove is opened at the top of the support column 14, so that the through groove is adapted to be clamped to the water replenishment pipeline 9, so as to further enhance the stability of the water replenishment pipeline 9.

[0050] In one or several embodiments, the water cooling pipeline 3 is provided with a pressure tank 12 and a pressure gauge 13. The pressure tank 12 is located between the water supply pipeline 9 and the pump 5, and the pressure tank 12 is connected to the cabinet 1. The pressure tank 12 is equipped with an air bag for increasing the circulation pressure of the cooling water. The pressure gauge 13 can monitor the pressure changes in the water cooling pipeline 3.

[0051] In one or several embodiments, the cabinet 1 is a rectangular cabinet 1, which is convenient for installation and placement. A maintenance port 7 connected to the accommodating space 2 is provided on the side of the cabinet 1, which is convenient for operators to operate and maintain the components in the cabinet 1; the maintenance port 7 is covered with a cover plate 8, which can protect the components in the cabinet 1. The cover plate 8 is hinged to the cabinet 1 so that the cover plate 8 can be easily opened and closed.

[0052] Example 2

[0053] like Figure 3 As shown, a water cooling system includes a heat exchanger 101, a water cooling plate 102, a circulation pipeline 103 and a water cooling cabinet of Example 1, wherein one end of the water cooling pipeline 3 is connected to the heat exchanger 101, and the other end is connected to the water cooling plate 102; one end of the circulation pipeline 103 is connected to the heat exchanger 101, and the other end is connected to the water cooling plate 102.

[0054] Through the water supply tank 4, the water supply pipeline 9 and the ion exchange tank 11, the cooling water injected into the water cooling pipeline 3 is softened by the ion exchange tank 11, thereby avoiding the occurrence of flocculants in the water cooling system, ensuring the heat dissipation performance of the water cooling system, ensuring the normal operation of the water cooling system, reducing the failure rate of the water cooling system, and increasing the life of the water cooling system, so that the subway SVG reactive compensation cabinet can dissipate heat in time and ensure the normal operation of the subway; by storing cooling water for a long time in the water supply tank 4, the cooling water can be quickly added to the water cooling pipeline 3, reducing the labor intensity of the operators.

[0055] In one or more embodiments, the water supply pipeline 9 is provided with a water supply branch 104, which is connected to the circulation pipeline 103. Along the medium flow direction of the water supply pipeline 9, the water supply branch 104 is located downstream of the ion exchange tank 11; the flow path of the cooling water in the water cooling system is: water cooling cabinet-heat exchanger-circulation pipeline-water cooling plate-water cooling cabinet; the water cooling plate 102 is arranged at the heating position of the SVG reactive compensation cabinet, and the water cooling plate 102 exchanges heat with the SVG reactive compensation cabinet. The heat flows with the cooling water. When the cooling water reaches the heat exchanger 101, the heat exchanger 101 cools the cooling water. The cooled cooling water is continuously pushed to the water cooling plate 102 by the pump 5 for circulation, so that the water cooling system can continuously dissipate heat from the SVG reactive compensation cabinet.

[0056] In one or several embodiments, a heating pipe section is also included, and the water-cooling plate 102 is connected to the water-cooling pipeline 3 through the heating pipe section, and a heating device 105 is provided on the outer wall of the heating pipe section; in a low-temperature environment, the cooling water in the water cooling system may freeze, and the pipe section is heated by the heating device 105 to restore the cooling water to a liquid state, thereby ensuring that the water cooling system can operate normally in a cold environment.

[0057] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements 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 cooling cabinet, characterized in that: include A cabinet (1), the cabinet (1) having a receiving space (2), the receiving space (2) being provided with a water cooling pipeline (3) and a water supply tank (4); The water cooling pipeline (3) is provided with a pump (5); the water supply tank (4) is connected to the water cooling pipeline (3) via a water supply pipeline (9); the water supply pipeline (9) is provided with an ion exchange tank (11) and a water supply pump (10); the ion exchange tank (11) and the water supply pump (10) are arranged at intervals; along the medium flow direction of the water supply pipeline (9), the ion exchange tank (11) is located upstream of the water supply pump (10).

2. A water cooling cabinet according to claim 1, characterized in that: The water cooling pipeline (3) comprises a liquid inlet pipe section (31), a liquid outlet pipe section (33) and a plurality of water cooling branches (32); one end of the water cooling branch (32) is connected to the liquid inlet pipe section (31) and the other end is connected to the liquid outlet pipe section (33); each of the water cooling branches (32) is provided with a pump (5); and the water replenishment pipeline (9) is connected to the liquid inlet pipe section (31).

3. A water cooling cabinet according to claim 2, characterized in that: The liquid inlet pipe section (31) and the liquid outlet pipe section (33) respectively penetrate the cabinet body (1), and the liquid inlet pipe section (31) and the liquid outlet pipe section (33) are respectively provided with flanges.

4. The water cooling cabinet according to claim 1, characterized in that: The water replenishment tank (4) has a water replenishment chamber, and the water replenishment pipeline (9) is connected to the bottom of the water replenishment chamber.

5. The water cooling cabinet according to claim 4, characterized in that: The accommodating space (2) is provided with a bracket (6), the bracket (6) is connected to the bottom plate of the cabinet (1), the bracket (6) is connected to the water replenishment tank (4), and the water replenishment tank (4) is spaced apart from the bottom plate; the bottom plate is provided with a support column (14), and the support column (14) is in contact with the water replenishment pipeline (9).

6. The water cooling cabinet according to claim 1, characterized in that: The water cooling pipeline (3) is provided with a pressure tank (12) and a pressure gauge (13); the pressure tank (12) is located between the water supply pipeline (9) and the pump (5); the pressure tank (12) is connected to the cabinet (1); and the pressure gauge (13) is spaced apart from the pressure tank (12).

7. A water cooling cabinet according to any one of claims 1 to 6, characterized in that: The cabinet (1) is a rectangular cabinet (1), and a maintenance opening (7) communicating with the accommodating space (2) is provided on a side surface of the cabinet (1); the maintenance opening (7) is covered with a cover plate (8), and the cover plate (8) is hinged to the cabinet (1).

8. A water cooling system, characterized in that: A water cooling cabinet comprising a heat exchanger (101), a water cooling plate (102), a circulation pipeline (103), and any one of claims 1 to 7, wherein one end of the water cooling pipeline (3) is connected to the heat exchanger (101), and the other end is connected to the water cooling plate (102); one end of the circulation pipeline (103) is connected to the heat exchanger (101), and the other end is connected to the water cooling plate (102).

9. A water cooling system according to claim 8, characterized in that: The water replenishment pipeline (9) is provided with a water replenishment branch (104), the water replenishment branch (104) being in communication with the circulation pipeline (103), and the water replenishment branch (104) being located downstream of the ion exchange tank (11) along the medium flow direction of the water replenishment pipeline (9).

10. A water cooling system according to claim 8, characterized in that: It also comprises a heating pipe section, the water cooling plate (102) and the water cooling pipeline (3) are connected via the heating pipe section, and a heating device (105) is provided on the outer wall of the heating pipe section.

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