Liquid cooling air conditioner

Abstract

The utility model discloses a liquid cooling air conditioner, comprising a cabinet body comprising a frame, and a front door and a rear door which are arranged on the frame; the electric control box is hinged with the frame and is arranged close to the front door or the rear door; the fluid conveying equipment assembly is mounted between the electric control box and the rear door or between the electric control box and the front door; the heat exchange equipment is detachably mounted in the frame, is overlapped with the fluid conveying equipment assembly in the vertical direction, and is arranged close to the front door or the rear door; the primary side connecting pipe group is used for communicating a condenser with the heat exchange equipment, and a circulation loop is formed between the condenser and the heat exchange equipment; the primary side connecting pipe group is communicated with the heat exchange equipment; the secondary side connecting pipe group is used for communicating a heat source with the heat exchange equipment and forming a circulation loop between the heat source and the heat exchange equipment; the secondary side connecting pipe set is communicated with the heat exchange equipment, and the fluid conveying equipment assembly is arranged on the secondary side connecting pipe set.

Description

Technical Field

[0001] The utility model belongs to the technical field of liquid cooling air conditioners, and in particular relates to a liquid cooling air conditioner. Background Art

[0002] With the rapid development of information technology, the scale of data centers continues to expand, and the demand for cooling systems is also growing. As an efficient cooling method, liquid cooling technology aims to increase the cooling capacity per unit area and effectively reduce the energy consumption of data centers, that is, to reduce power usage effectiveness (PUE).

[0003] In the liquid cooling air conditioning industry, the design of a large cooling capacity Coolant Distributed Unit (CDU) is crucial. CDU is a key component in the liquid cooling system and is responsible for evenly distributing the cooling liquid throughout the data center. Currently, most CDU designs for liquid cooling systems use an independent cabinet solution to achieve efficient cooling capacity distribution.

[0004] However, existing CDU designs have some limitations. First, many CDU designs occupy a large area, which not only limits the space utilization efficiency of the data center, but also increases the construction cost. Second, some CDU designs are inconvenient in terms of maintenance. For example, when it is necessary to maintain a device with a high failure rate, it is often necessary to drag the machine out of the row and remove the side door for maintenance, which undoubtedly increases the difficulty and time cost of maintenance. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a liquid cooling air conditioner which can reduce the floor space, improve the cooling capacity and simplify the maintenance process under the premise of maintaining the same cooling output.

[0006] In order to solve the above technical problems, the technical solution provided by the utility model is:

[0007] A liquid cooling air conditioner, comprising:

[0008] A cabinet body, comprising a frame and a front door and a rear door mounted on the frame;

[0009] An electric control box, hinged to the frame and disposed near the front door or the rear door;

[0010] A fluid delivery device assembly is installed between the electric control box and the rear door or between the electric control box and the front door;

[0011] A heat exchange device, which is detachably mounted in the frame, is stacked together with the fluid conveying device assembly in a vertical direction, and is disposed near the front door or the rear door;

[0012] A primary side connecting pipe group for connecting the condenser and the heat exchange device to form a circulation loop between the two; the primary side connecting pipe group is connected to the heat exchange device;

[0013] A secondary side connecting pipe group is used to connect the heat source and the heat exchange device to form a circulation loop between the two; the secondary side connecting pipe group is connected to the heat exchange device, and the fluid conveying device component is arranged on the secondary side connecting pipe group.

[0014] Furthermore, the primary side connecting pipe group includes a primary side inlet pipe and a primary side outlet pipe, the inlet end of the primary side inlet pipe is used to be connected with the condenser, and the outlet end is connected with the heat exchange equipment; the inlet end of the primary side outlet pipe is connected with the heat exchange equipment, and the outlet end is used to be connected with the condenser.

[0015] Furthermore, it also includes a primary side filtering device, which is installed on the primary side inlet pipe and is arranged close to the front door or the rear door.

[0016] Furthermore, the primary side connecting pipe group also includes a primary side filter bypass pipe, which is connected in parallel with the primary side filter device, and its two ends are respectively connected to the primary side inlet pipes on both sides of the primary side filter device.

[0017] Furthermore, the secondary side connecting pipe group includes a secondary side inlet pipe and a secondary side outlet pipe, the inlet end of the secondary side inlet pipe is used to be connected with the heat source, and the outlet end is connected with the heat exchange equipment; the inlet end of the secondary side outlet pipe is connected with the heat exchange equipment, and the outlet end is used to be connected with the heat source.

[0018] Furthermore, it also includes a secondary side filtering device, which is installed on the secondary side outlet pipe and is arranged close to the front door or the rear door.

[0019] Furthermore, the secondary side connecting pipe group also includes a secondary side filter bypass pipe, which is connected in parallel with the secondary side filter device, and its two ends are respectively connected to the secondary side outlet pipes on both sides of the secondary side filter device.

[0020] Furthermore, the fluid delivery device assembly includes a first fluid delivery device and a second fluid delivery device connected in parallel.

[0021] Furthermore, the first fluid conveying device and the second fluid conveying device are both arranged between the heat exchange device and the secondary side filtering device.

[0022] Furthermore, it also includes a fluid infusion component connected in parallel with the first fluid delivery device and the second fluid delivery device, the inlet end of the fluid infusion component is connected with the outlet end of the first fluid delivery device and the second fluid delivery device, and the outlet end of the fluid infusion component is connected with the inlet end of the first fluid delivery device and the second fluid delivery device.

[0023] Furthermore, the fluid infusion assembly includes a fluid infusion tank and a fluid infusion pump, and the fluid infusion tank and the fluid infusion pump are connected in parallel with the first fluid conveying device and the second fluid conveying device.

[0024] Furthermore, it also includes an expansion tank, which is installed between the electric control box and the rear door or between the electric control box and the front door.

[0025] Furthermore, the expansion tank is arranged on the secondary side outlet pipe and between the heat exchange device and the fluid conveying device component.

[0026] Beneficial effects of the utility model:

[0027] The heat exchange equipment and the fluid conveying equipment components in the liquid-cooled air conditioner are stacked together in the vertical direction, which maximizes the use of the effective floor space and increases the cooling capacity per unit area. At the same time, the fluid conveying equipment components, heat exchange equipment and other devices can be maintained from the front between the rows through the front door, the rear door or by rotating the electric control box. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a three-dimensional structural schematic diagram of the liquid-cooled air conditioner of the utility model after the electric control box is opened;

[0029] Figure 2 It is a three-dimensional structural schematic diagram of the liquid-cooled air conditioner of the utility model with the front door opened;

[0030] Figure 3 This is a three-dimensional structural schematic diagram of the liquid-cooled air conditioner of the utility model after the heat exchange device is disassembled;

[0031] Figure 4 It is a three-dimensional structural schematic diagram of the rear part of the liquid-cooled air conditioner of the utility model;

[0032] Figure 5 This is a schematic diagram of the pipeline connection of the liquid-cooled air conditioner of the present invention.

[0033] Reference numerals include:

[0034] 100 - cabinet 110 - frame 120 - front door

[0035] 130 - rear door 200 - electric control box 210 - hinge

[0036] 300—Expansion tank 400—Fluid transport equipment assembly

[0037] 410 - first fluid delivery device 420 - second fluid delivery device

[0038] 500—heat exchange equipment 510—primary side inlet 520—primary side outlet

[0039] 530—Secondary side inlet 540—Secondary side outlet 600—Liquid replenishment component

[0040] 610—liquid replenishment tank 620—liquid replenishment pump 710—primary side filter device

[0041] 720—Secondary filter device 800—Primary connecting pipe group

[0042] 810—primary side inlet pipe 830—primary side filter bypass pipe

[0043] 840—primary side outlet pipe 900—secondary side connecting pipe group

[0044] 910—Secondary side inlet pipe 920—First water pump installation pipe 930—Second water pump installation pipe

[0045] 960—Secondary filter bypass pipe 970—Secondary outlet pipe DETAILED DESCRIPTION

[0046] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0047] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0048] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0049] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0050] Please refer to Figure 1 and Figure 2 , which is a preferred embodiment of the utility model, the liquid cooling air conditioner comprises: a cabinet 100, comprising a frame 110 and a front door 120 and a rear door 130 installed on the frame 110; an electric control box 200, which is hinged with the frame 110 and is arranged close to the front door 120 or the rear door 130; a fluid conveying device assembly 400, which is installed between the electric control box 200 and the rear door 130 or between the electric control box 200 and the front door 120; a heat exchange device 500, which is detachably installed in the frame 110 and is vertically connected to the fluid conveying device assembly 400. The heat exchangers 500 are stacked together in the direction and are arranged close to the front door 120 or the rear door 130; a primary side connecting pipe group 800 is used to connect the condenser and the heat exchange device 500 to form a circulation loop between the two; the primary side connecting pipe group 800 is connected to the heat exchange device 500; a secondary side connecting pipe group 900 is used to connect the heat source and the heat exchange device 500 to form a circulation loop between the two; the secondary side connecting pipe group 900 is connected to the heat exchange device 500, and the fluid transport device assembly 400 is arranged on the secondary side connecting pipe group 900.

[0051] The heat exchange device 500 and the fluid transport device assembly 400 in the liquid-cooled air conditioner are stacked together in the vertical direction, which maximizes the use of the effective floor space and increases the cooling capacity per unit area. At the same time, important components such as the fluid transport device assembly 400 and the heat exchange device 500 can be maintained from the front between the rows through the front door 120, the rear door 130 or by rotating the electric control box 200.

[0052] like Figure 1 and Figure 2 As shown, the liquid-cooled air conditioner mainly includes a cabinet 100, and an electric control box 200, an expansion tank 300, a fluid delivery device assembly 400, a heat exchange device 500, a liquid replenishing assembly 600, a primary side filter device 710, a secondary side filter device 720, a primary side connecting pipe group 800, a secondary side connecting pipe group 900, etc. installed in the cabinet 100. The above components are further described in detail below.

[0053] like Figure 1 and Figure 2As shown, the cabinet 100 is generally in the shape of a rectangular parallelepiped frame, including a frame 110, a front door 120, and a rear door 130. The front door 120 and the rear door 130 are arranged opposite to each other and are rotatably mounted on the frame 110 through hinges. After opening the front door 120 and the rear door 130, the components in the frame 110 can be maintained.

[0054] The electric control box 200, the expansion tank 300, and the fluid conveying device assembly 400 are installed in the upper half of the frame 110, the heat exchange device 500 and the fluid replenishing assembly 600 are installed in the lower half of the frame 110, the primary side connecting pipe group 800 and the secondary side connecting pipe group 900 are connected to the heat exchange device 500, and the primary side filter device 710 and the secondary side filter device 720 are respectively arranged on the primary side connecting pipe group 800 and the secondary side connecting pipe group 900. Of course, it can be understood that the electric control box 200, the expansion tank 300, and the fluid conveying device assembly 400 can also be installed in the lower half of the frame 110, while the heat exchange device 500 and the fluid replenishing assembly 600 are installed in the upper half of the frame 110.

[0055] The electric control box 200 is hinged to the frame 110 and is arranged near the front door 120 or the rear door 130. The fluid delivery device assembly 400 is installed between the electric control box 200 and the rear door 130 or between the electric control box 200 and the front door 120. By rotating the electric control box 200, the expansion tank 300 and the fluid delivery device assembly 400 can be exposed to the line of sight, and the expansion tank 300 and the fluid delivery device assembly 400 can be directly pulled out from the front, so that maintenance can be performed from the front between the rows. In one embodiment of the present application, the electric control box 200 is arranged near the front door 120, and the expansion tank 300 and the fluid delivery device assembly 400 are installed between the electric control box 200 and the rear door 130.

[0056] like Figure 3 As shown, the heat exchange device 500 is detachably mounted on the lower half of the frame 110, and is stacked with the fluid delivery device assembly 400 in the vertical direction, and is arranged near the front door 120 or the rear door 130. For example, in one embodiment of the present application, the heat exchange device 500 is installed in the frame 110 by fasteners such as screws, and is arranged near the front door 120. After opening the front door 120, the heat exchange device 500 can be pulled out from the front door 120, and the heat exchange device 500 can be maintained at the front of the row. Specifically, the heat exchange device 500 is provided with a primary side inlet 510, a primary side outlet 520, a secondary side inlet 530, and a secondary side outlet 540. The primary side inlet 510, the primary side outlet 520, the secondary side inlet 530, and the secondary side outlet 540 face the side of the frame 110, which is convenient for disassembly and assembly between the heat exchange device 500 and the primary side connecting pipe group 800 and the secondary side connecting pipe group 900 during maintenance.

[0057] The primary side inlet 510 is connected to the condenser (not shown) through the primary side connecting pipe group 800, and the first coolant with a higher cooling capacity is transported from the condenser to the heat exchange device 500. The first coolant with a higher cooling capacity is converted into the first coolant with a higher heat after heat exchange in the heat exchange device 500. The primary side outlet 520 is connected to the condenser again through the primary side connecting pipe group 800, and the first coolant with a higher heat is transported from the heat exchange device 500 to the condenser.

[0058] The secondary side inlet 530 is connected to the heat source (not shown) through the secondary side connecting pipe group 900, and the second coolant with higher heat is transported from the heat source to the heat exchange device 500. The second coolant with higher heat is converted into the second coolant with higher cooling capacity after heat exchange in the heat exchange device 500. The secondary side outlet 540 is connected to the heat source again through the secondary side connecting pipe group 900, and the second coolant with higher cooling capacity is transported from the heat exchange device 500 to the heat source.

[0059] like Figure 4 As shown, the liquid-cooled air conditioner further includes a primary filter device 710 and a secondary filter device 720. The primary filter device 710 is mounted on the primary connecting pipe group 800, and the secondary filter device 720 is mounted on the secondary connecting pipe group 900. The primary filter device 710 and the secondary filter device 720 are both arranged near the front door 120 or the rear door 130. With such an arrangement, the primary filter device 710 and the secondary filter device 720 can be maintained at the front of the row.

[0060] like Figure 3 , Figure 4 and Figure 5 As shown, the primary side connecting pipe group 800 is used to connect the condenser and the heat exchange device 500, so that the first coolant forms a circulation loop between the two. Specifically, the primary side connecting pipe group 800 mainly includes a primary side inlet pipe 810 and a primary side outlet pipe 840. The inlet end of the primary side inlet pipe 810 is used to be connected with the condenser, and the outlet end is connected with the heat exchange device 500, so that the first coolant with high cooling capacity is transported from the condenser to the heat exchange device 500. The inlet end of the primary side outlet pipe 840 is connected with the heat exchange device 500, and the outlet end is used to be connected with the condenser, so that the first coolant with high calorific value is transported from the heat exchange device 500 to the condenser for refrigeration.

[0061] like Figure 4 and Figure 5 As shown, the primary side filter device 710 is installed on the primary side inlet pipe 810 , and the first coolant enters the heat exchange device 500 after being filtered by the primary side filter device 710 .

[0062] In order to realize maintenance of the primary filter device 710 without stopping the machine, the primary connecting pipe group 800 further includes a primary filter bypass pipe 830. The primary filter bypass pipe 830 is connected in parallel with the primary filter device 710, and both ends are respectively connected to the primary inlet pipe 810 on both sides of the primary filter device 710. When the primary filter device 710 needs to be maintained, the primary inlet pipe 810 where the primary filter device 710 is located is closed, and the primary filter bypass pipe 830 is connected, so that the primary filter device 710 can be maintained without stopping the machine.

[0063] Please continue to see Figure 3 , Figure 4 and Figure 5 The secondary side connecting pipe group 900 is used to connect the heat source with the heat exchange device 500 so that the second coolant forms a circulation loop between the two. Specifically, the secondary side connecting pipe group 900 includes a secondary side inlet pipe 910 and a secondary side outlet pipe 970. The inlet end of the secondary side inlet pipe 910 is used to be connected with the heat source, and the outlet end is connected with the heat exchange device 500 to transport the high-calorie second coolant from the heat source to the heat exchange device 500. The inlet end of the secondary side outlet pipe 970 is connected with the heat exchange device 500, and the outlet end is used to be connected with the heat source to transport the high-cooling second coolant from the heat exchange device 500 to the heat source for heat dissipation of the heat source.

[0064] The secondary side filter device 720 is installed on the secondary side outlet pipe 970 , and the second coolant enters the heat source after being filtered by the secondary side filter device 720 .

[0065] Please continue to see Figure 3 , Figure 4 and Figure 5 In order to maintain the secondary filter device 720 without stopping the machine, the secondary connecting pipe group 900 further includes a secondary filter bypass pipe 960, which is connected in parallel with the secondary filter device 720, and both ends are respectively connected to the secondary outlet pipes 970 on both sides of the secondary filter device 720. When the secondary filter device 720 needs to be maintained, the secondary outlet pipe 970 where the secondary filter device 720 is located is closed, and the secondary filter bypass pipe 960 is connected, so that the secondary filter device 720 can be maintained without stopping the machine.

[0066] Please continue to see Figure 4 and Figure 5, the fluid conveying equipment assembly 400 is also provided on the secondary side connecting pipe group 900. Specifically, in order to realize the maintenance of the fluid conveying equipment assembly 400 without stopping the machine, the fluid conveying equipment assembly 400 includes a first fluid conveying equipment 410 and a second fluid conveying equipment 420 connected in parallel. The first fluid conveying equipment 410 and the second fluid conveying equipment 420 are both arranged between the heat exchange equipment 500 and the secondary side filter device 720. Preferably, the first fluid conveying equipment 410 and the second fluid conveying equipment 420 are pumps. When one of the fluid conveying equipment is maintained, by closing the stop valve of its inlet and outlet, the second coolant is allowed to flow through the other fluid conveying equipment, thereby realizing the maintenance of one of the fluid conveying equipment without stopping the machine.

[0067] The secondary side connecting pipe group 900 also includes a first water pump installation pipe 920 and a second water pump installation pipe 930. The first fluid delivery device 410 and the second fluid delivery device 420 are connected in parallel in the secondary side outlet pipe 970 through the first water pump installation pipe 920 and the second water pump installation pipe 930, respectively, that is, after the first water pump installation pipe 920 and the second water pump installation pipe 930 are connected in parallel, they are connected in series with the secondary side outlet pipe 970.

[0068] The expansion tank 300 and the liquid replenishing assembly 600 can both improve the fault tolerance of the liquid-cooled air conditioner, and retain the coolant to the maximum extent during maintenance. When the amount of the second coolant required by the fluid delivery device assembly 400 is insufficient, the expansion tank 300 and the liquid replenishing assembly 600 can replenish the second coolant to the inlet end of the fluid delivery device assembly 400. The expansion tank 300 and the liquid replenishing assembly 600 are both arranged on the secondary side outlet pipe 970, and are arranged between the heat exchange device 500 and the fluid delivery device assembly 400.

[0069] Specifically, the fluid infusion component 600 is connected in parallel with the first fluid delivery device 410 and the second fluid delivery device 420. The inlet end of the fluid infusion component 600 is connected to the outlet end of the first fluid delivery device 410 and the second fluid delivery device 420, and the outlet end of the fluid infusion component 600 is connected to the inlet end of the first fluid delivery device 410 and the second fluid delivery device 420.

[0070] like Figure 4 and Figure 5As shown, the secondary side connecting pipe group 900 also includes a liquid infusion pipe 940, and the liquid infusion pipe 940 is connected with the secondary side outlet pipe 970. The liquid infusion assembly 600 includes a liquid infusion tank 610 and a liquid infusion pump 620, and the liquid infusion tank 610 and the liquid infusion pump 620 are arranged on the liquid infusion pipe 940. That is, the liquid infusion pipe 940 is connected in parallel with the first water pump installation pipe 920 and the second water pump installation pipe 930, and then connected in series with the secondary side outlet pipe 970.

[0071] The liquid-cooled air conditioner greatly improves the space utilization rate inside the cabinet 100, and is equipped with an expansion tank 300 and a fluid replenishing component 600 for retaining the coolant to the maximum extent during maintenance; due to the backup design, the fluid conveying equipment component 400 can be maintained online without stopping the machine; common operating components can be maintained without tools, and components with high failure rates such as the expansion tank 300, the fluid conveying equipment component 400, the heat exchange device 500, the primary side filter device 710 and the secondary side filter device 720 can be maintained between rows, that is, they can be maintained from the front door 120 and the rear door 130 without obstacles, and the above components do not need to be dragged out of the row and the side panels need to be opened for maintenance.

[0072] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, many changes can be made in the specific implementation methods and application scopes based on the ideas of the present invention. As long as these changes do not deviate from the concept of the present invention, they all belong to the protection scope of the present invention.

Claims

1. A liquid cooling air conditioner, characterized in that: include: A cabinet (100) comprises a frame (110) and a front door (120) and a rear door (130) mounted on the frame (110); An electric control box (200) is hinged to the frame (110) and is disposed near the front door (120) or the rear door (130); A fluid delivery device assembly (400) is installed between the electric control box (200) and the rear door (130) or between the electric control box (200) and the front door (120); a heat exchange device (500) which is detachably mounted in the frame (110), vertically stacked with the fluid transport device assembly (400), and disposed close to the front door (120) or the rear door (130); A primary side connecting pipe group (800) for connecting the condenser and the heat exchange device (500) to form a circulation loop between the two; the primary side connecting pipe group (800) is connected to the heat exchange device (500); A secondary side connecting pipe group (900) is used to connect the heat source and the heat exchange device (500) to form a circulation loop between the two; the secondary side connecting pipe group (900) is connected to the heat exchange device (500), and the fluid conveying device component (400) is arranged on the secondary side connecting pipe group (900).

2. The liquid cooling air conditioner according to claim 1, characterized in that: The primary side connecting pipe group (800) comprises a primary side inlet pipe (810) and a primary side outlet pipe (840); the inlet end of the primary side inlet pipe (810) is used to be connected to the condenser, and the outlet end is connected to the heat exchange device (500); the inlet end of the primary side outlet pipe (840) is connected to the heat exchange device (500), and the outlet end is used to be connected to the condenser.

3. The liquid cooling air conditioner according to claim 2, characterized in that: It also includes a primary side filtering device (710), which is installed on the primary side inlet pipe (810) and is arranged close to the front door (120) or the rear door (130).

4. The liquid cooling air conditioner according to claim 3, characterized in that: The primary side connecting pipe group (800) further comprises a primary side filter bypass pipe (830), wherein the primary side filter bypass pipe (830) is connected in parallel with the primary side filter device (710), and two ends thereof are respectively connected to the primary side inlet pipe (810) on both sides of the primary side filter device (710).

5. The liquid cooling air conditioner according to any one of claims 1 to 4, characterized in that: The secondary side connecting pipe group (900) comprises a secondary side inlet pipe (910) and a secondary side outlet pipe (970); the inlet end of the secondary side inlet pipe (910) is used to be connected to a heat source, and the outlet end is connected to the heat exchange device (500); the inlet end of the secondary side outlet pipe (970) is connected to the heat exchange device (500), and the outlet end is used to be connected to the heat source.

6. The liquid cooling air conditioner according to claim 5, characterized in that: It also includes a secondary side filtering device (720), which is installed on the secondary side outlet pipe (970) and is arranged close to the front door (120) or the rear door (130).

7. The liquid cooling air conditioner according to claim 6, characterized in that: The secondary side connecting pipe group (900) further comprises a secondary side filter bypass pipe (960), wherein the secondary side filter bypass pipe (960) is connected in parallel with the secondary side filter device (720), and both ends are respectively connected to the secondary side outlet pipes (970) on both sides of the secondary side filter device (720).

8. The liquid cooling air conditioner according to claim 7, characterized in that: The fluid delivery device assembly (400) includes a first fluid delivery device (410) and a second fluid delivery device (420) connected in parallel.

9. The liquid cooling air conditioner according to claim 8, characterized in that: The first fluid conveying device (410) and the second fluid conveying device (420) are both arranged between the heat exchange device (500) and the secondary side filtering device (720).

10. The liquid cooling air conditioner according to claim 9, characterized in that: It also includes a fluid infusion component (600) connected in parallel with the first fluid delivery device (410) and the second fluid delivery device (420), wherein the inlet end of the fluid infusion component (600) is connected to the outlet end of the first fluid delivery device (410) and the second fluid delivery device (420), and the outlet end of the fluid infusion component (600) is connected to the inlet end of the first fluid delivery device (410) and the second fluid delivery device (420).

11. The liquid cooling air conditioner according to claim 10, characterized in that: The fluid replenishment assembly (600) comprises a fluid replenishment tank (610) and a fluid replenishment pump (620), and the fluid replenishment tank (610) and the fluid replenishment pump (620) are connected in parallel with the first fluid delivery device (410) and the second fluid delivery device (420).

12. The liquid cooling air conditioner according to claim 5, characterized in that: It also includes an expansion tank (300), which is installed between the electric control box (200) and the rear door (130) or between the electric control box (200) and the front door (120).

13. The liquid cooling air conditioner according to claim 12, characterized in that: The expansion tank (300) is disposed on the secondary side outlet pipe (970) and is disposed between the heat exchange device (500) and the fluid transport device assembly (400).

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