CDU liquid supplementing device and liquid cooling system

Abstract

The utility model relates to the technical field of heat dissipation systems, in particular to a CDU liquid supplementing device and a liquid cooling system, which comprise a water tank, a liquid supplementing pipeline, a liquid supplementing pump and a liquid supplementing port, one end of the liquid supplementing pipeline is communicated with the liquid supplementing opening; the other end of the liquid supplementing pipeline is communicated with the water tank; and the liquid supplementing pump is arranged on the liquid supplementing pipeline. According to the utility model, the liquid supplementing pipeline, the liquid supplementing pump and the liquid supplementing port are additionally arranged at the water tank, the liquid supplementing port is communicated with the external cooling liquid, and in the liquid supplementing process, the liquid supplementing pump is started, and an internal and external pressure difference is established, so that the cooling liquid can be effectively supplemented into the liquid cooling system, and liquid supplementing can be effectively completed at one time; in addition, shutdown is not needed in the liquid supplementing operation and maintenance process, and the operation stability of the data center is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat dissipation systems, and particularly relates to a CDU liquid supplementing device and a liquid cooling system. Background Art

[0002] The liquid supplementing time of the traditional CDU liquid supplementing device is long, and the liquid supplementing is not convenient, mainly for the following reasons:

[0003] First, there is no external liquid supplementing port. When the secondary side needs to supplement liquid, the casing of the unit needs to be disassembled, then the sealing cover of the liquid supplementing port above the water tank needs to be disassembled, and then the liquid is manually supplemented into the water tank. The operation requirements are high and it is not safe, which is not conducive to operation and maintenance.

[0004] Second, during the manual liquid supplementing process, the liquid enters the system pipeline in a natural flow state, without pressure difference. When the liquid is supplemented to a certain extent, the liquid supplementing cannot be carried out anymore. It can only be supplemented again after the unit operates for a period of time, and the liquid supplementing cannot be effectively completed at one time.

[0005] Third, during the manual liquid supplementing process, for safety reasons, the CDU needs to stop operating for liquid supplementing. For a data center, the server does not obtain cooling capacity, which will cause the temperature of the server to rise rapidly, thus affecting the computing power performance of the server and affecting the stable operation of the data center. Content of the Utility Model

[0006] The purpose of the utility model is to provide a CDU liquid supplementing device and a liquid cooling system for the above deficiencies in the prior art.

[0007] The purpose of the utility model is achieved through the following technical solutions: a CDU liquid supplementing device includes a water tank, a liquid supplementing pipeline, a liquid supplementing pump and a liquid supplementing port; one end of the liquid supplementing pipeline is communicated with the liquid supplementing port; the other end of the liquid supplementing pipeline is communicated with the water tank; the liquid supplementing pump is arranged on the liquid supplementing pipeline.

[0008] The utility model is further arranged to further include a first exhaust port; the first exhaust port is communicated with the inlet of the liquid supplementing pump.

[0009] The utility model is further arranged to set the water tank with a second exhaust port.

[0010] A liquid cooling system includes a primary side water inlet, a primary side water outlet, a secondary side water inlet, a secondary side water outlet, a first driving pump and a heat exchanger; the heat exchanger includes a first channel and a second channel; the primary side water inlet and the primary side water outlet are respectively communicated with both ends of the first channel; the secondary side water inlet and one end of the first driving pump are respectively communicated with the water tank; the other end of the first driving pump is communicated with one end of the second channel; the other end of the second channel is communicated with the secondary side water outlet.

[0011] The present utility model is further configured to further include an expansion tank; the expansion tank is communicated with the water tank.

[0012] The present utility model is further configured to be provided with a first butterfly valve between one end of the first driving pump and the water tank; a second butterfly valve is provided between the other end of the first driving pump and one end of the second channel; a first one-way valve is provided between the second butterfly valve and one end of the second channel.

[0013] The present utility model is further configured to the liquid cooling system further includes a second driving pump; one end of the second driving pump is communicated with the water tank; the other end of the second driving pump is communicated with one end of the second channel.

[0014] The present utility model is further configured to be provided with a third butterfly valve between one end of the second driving pump and the water tank; a fourth butterfly valve is provided between the other end of the second driving pump and one end of the second channel; a second one-way valve is provided between the fourth butterfly valve and one end of the second channel.

[0015] The present utility model is further configured to be provided with an electric two-way valve between the primary side water inlet and the first channel.

[0016] The present utility model is further configured to the liquid cooling system further includes a housing; the water tank, the liquid supplementing pump, the first driving pump and the heat exchanger are all arranged in the housing; a quick connector is arranged outside the housing; the quick connector is communicated with the liquid supplementing port.

[0017] The beneficial effects of the present utility model: By adding a liquid supplementing pipeline, a liquid supplementing pump and a liquid supplementing port at the water tank, and communicating the liquid supplementing port with the external coolant, during the liquid supplementing process, the liquid supplementing pump is started to establish an internal and external pressure difference, so that the coolant can be effectively supplemented into the liquid cooling system, and the liquid supplementing can be effectively completed at one time; and it is not necessary to stop the machine during the liquid supplementing operation and maintenance process, thereby improving the operation stability of the data center. Description of the Drawings

[0018] The present utility model is further described with reference to the accompanying drawings, but the embodiments in the drawings do not constitute any limitation to the present utility model. For those of ordinary skill in the art, other drawings can also be obtained according to the following drawings without creative efforts.

[0019] Figure 1 is the schematic diagram of the present utility model;

[0020] Figure 2 is the structural schematic diagram of the present utility model;

[0021] Wherein: 1. Water tank; 11. Second exhaust port; 12. Expansion tank; 21. Make-up liquid pipeline; 22. Make-up liquid pump; 23. Make-up liquid port; 24. First exhaust port; 31. Primary side inlet; 32. Primary side outlet; 41. Secondary side inlet; 42. Secondary side outlet; 5. Heat exchanger; 51. First channel; 52. Second channel; 6. First driving pump; 61. First butterfly valve; 62. Second butterfly valve; 63. First check valve; 7. Second driving pump; 71. Third butterfly valve; 72. Fourth butterfly valve; 73. Second check valve; 8. Electric two-way valve; 9. Housing; 91. Quick connector. Specific embodiments

[0022] The present utility model will be further described in conjunction with the following embodiments.

[0023] As Figures 1 to 2 can be seen, a CDU make-up liquid device described in this embodiment includes a water tank 1, a make-up liquid pipeline 21, a make-up liquid pump 22, and a make-up liquid port 23; one end of the make-up liquid pipeline 21 is communicated with the make-up liquid port 23; the other end of the make-up liquid pipeline 21 is communicated with the water tank 1; the make-up liquid pump 22 is arranged on the make-up liquid pipeline 21.

[0024] Specifically, for the CDU make-up liquid device described in this embodiment, by adding a make-up liquid pipeline 21, a make-up liquid pump 22, and a make-up liquid port 23 at the water tank 1, the make-up liquid port 23 is communicated with the external coolant. During the make-up liquid process, the make-up liquid pump 22 is started to establish an internal and external pressure difference, so that the coolant can be effectively supplemented into the liquid cooling system, and the make-up liquid can be effectively completed at one time; and it is not necessary to stop the machine during the make-up liquid operation and maintenance process, improving the operation stability of the data center.

[0025] A CDU make-up liquid device described in this embodiment further includes a first exhaust port 24; the first exhaust port 24 is communicated with the inlet of the make-up liquid pump 22. Specifically, before starting the make-up liquid pump 22, the gas from the make-up liquid port 23 to the inlet of the make-up liquid pump 22 is discharged through the first exhaust port 24. After the gas is discharged, the make-up liquid pump 22 can be started to make up the liquid, so as to maintain the stability of the make-up liquid and prevent gas from entering the make-up liquid pump 22 to cause pump cavitation.

[0026] For a CDU make-up liquid device described in this embodiment, the water tank 1 is provided with a second exhaust port 11. Specifically, during the make-up liquid process, the make-up liquid pump 22 is started to establish an internal and external pressure difference, and in cooperation with the second exhaust port 11 of the water tank 1, the water tank 1 can be exhausted, and the make-up liquid can be effectively completed at one time.

[0027] A liquid cooling system according to this embodiment includes a primary side water inlet 31, a primary side water outlet 32, a secondary side water inlet 41, a secondary side water outlet 42, a first driving pump 6, and a heat exchanger 5; the heat exchanger 5 includes a first channel 51 and a second channel 52; the primary side water inlet 31 and the primary side water outlet 32 are respectively communicated with both ends of the first channel 51; the secondary side water inlet 41 and one end of the first driving pump 6 are respectively communicated with the water tank 1; the other end of the first driving pump 6 is communicated with one end of the second channel 52; the other end of the second channel 52 is communicated with the secondary side water outlet 42.

[0028] Specifically, when in use, the primary side water inlet 31, the first channel 51, and the primary side water outlet 32 form a primary water cycle, the secondary side water inlet 41, the water tank 1, the second channel 52, and the secondary side water outlet 42 form a secondary water cycle, and heat exchange is carried out in the heat exchanger 5, so as to be able to dissipate heat from the data center.

[0029] A liquid cooling system according to this embodiment further includes an expansion tank 12; the expansion tank 12 is communicated with the water tank 1. When the solution pressure in the system decreases, the gas pressure in the expansion tank 12 is greater than the solution pressure. At this time, the gas expands and squeezes the water in the airbag out to supplement the system until the pressure is balanced. When the solution in the system expands due to heat and the pressure increases and exceeds the gas pressure in the expansion tank 12, at this time the gas is compressed, and the solution in the system will go into the airbag of the expansion tank 12 until the pressure is balanced.

[0030] A liquid cooling system according to this embodiment, a first butterfly valve 61 is provided between one end of the first driving pump 6 and the water tank 1; a second butterfly valve 62 is provided between the other end of the first driving pump 6 and one end of the second channel 52; a first one-way valve 63 is provided between the second butterfly valve 62 and one end of the second channel 52. Specifically, by providing the first butterfly valve 61 and the second butterfly valve 62, it is convenient to disassemble, assemble, and repair the first driving pump 6; the first one-way valve 63 plays a role of one-way conduction, preventing the liquid in the second channel 52 of the heat exchanger 5 from flowing back to the first driving pump 6 under the action of natural temperature difference.

[0031] A liquid cooling system according to this embodiment, the liquid cooling system further includes a second driving pump 7; one end of the second driving pump 7 is communicated with the water tank 1; the other end of the second driving pump 7 is communicated with one end of the second channel 52. Specifically, in this embodiment, by connecting the first driving pump 6 and the second driving pump 7 in parallel, the overall efficiency of the system can be effectively improved.

[0032] A liquid cooling system according to this embodiment, a third butterfly valve 71 is provided between one end of the second driving pump 7 and the water tank 1; a fourth butterfly valve 72 is provided between the other end of the second driving pump 7 and one end of the second channel 52; a second one-way valve 73 is provided between the fourth butterfly valve 72 and one end of the second channel 52. Specifically, by providing the third butterfly valve 71 and the fourth butterfly valve 72, it is convenient to disassemble, install and repair the second driving pump 7; the second one-way valve 73 plays a role of one-way conduction, preventing the liquid in the second channel 52 of the heat exchanger 5 from flowing back to the second driving pump 7 under the action of natural temperature difference.

[0033] A liquid cooling system according to this embodiment, an electric two-way valve 8 is provided between the primary side water inlet 31 and the first channel 51. Through the above setting, it is convenient to turn on and off the primary side and adjust the flow rate.

[0034] A liquid cooling system according to this embodiment, the liquid cooling system further includes a housing 9; the water tank 1, the liquid supplementing pump 22, the first driving pump 6 and the heat exchanger 5 are all arranged in the housing 9; a quick connector 91 is arranged outside the housing 9; the quick connector 91 is communicated with the liquid supplementing port 23. Specifically, through the above setting in this embodiment, the liquid can be supplemented directly from the quick connector 91 located outside the housing 9 without disassembling the housing 9, and the operation and maintenance are efficient, convenient, safe and reliable.

[0035] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the protection scope of the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the essence and scope of the technical solutions of the present invention.

Claims

1. A CDU fluid replenishing device, characterized in that: It comprises a water tank (1), a liquid infusion pipeline (21), a liquid infusion pump (22) and a liquid infusion port (23); one end of the liquid infusion pipeline (21) is connected to the liquid infusion port (23); the other end of the liquid infusion pipeline (21) is connected to the water tank (1); and the liquid infusion pump (22) is arranged on the liquid infusion pipeline (21).

2. A CDU fluid replenishing device according to claim 1, characterized in that: It also includes a first exhaust port (24); the first exhaust port (24) is connected to the inlet of the fluid infusion pump (22).

3. A CDU fluid replenishing device according to claim 1, characterized in that: The water tank (1) is provided with a second exhaust port (11).

4. A liquid cooling system with a CDU liquid replenishing device according to any one of claims 1 to 3, characterized in that: The heat exchanger comprises a primary water inlet (31), a primary water outlet (32), a secondary water inlet (41), a secondary water outlet (42), a first driving pump (6) and a heat exchanger (5); the heat exchanger (5) comprises a first channel (51) and a second channel (52); the primary water inlet (31) and the primary water outlet (32) are respectively connected to two ends of the first channel (51); the secondary water inlet (41) and one end of the first driving pump (6) are respectively connected to a water tank (1); the other end of the first driving pump (6) is connected to one end of the second channel (52); and the other end of the second channel (52) is connected to the secondary water outlet (42).

5. The liquid cooling system according to claim 4, characterized in that: It also comprises an expansion tank (12); the expansion tank (12) is connected to the water tank (1).

6. The liquid cooling system according to claim 4, characterized in that: A first butterfly valve (61) is provided between one end of the first driving pump (6) and the water tank (1); a second butterfly valve (62) is provided between the other end of the first driving pump (6) and one end of the second channel (52); and a first check valve (63) is provided between the second butterfly valve (62) and one end of the second channel (52).

7. The liquid cooling system according to claim 4, characterized in that: The liquid cooling system further comprises a second driving pump (7); one end of the second driving pump (7) is in communication with the water tank (1); and the other end of the second driving pump (7) is in communication with one end of the second channel (52).

8. The liquid cooling system according to claim 7, characterized in that: A third butterfly valve (71) is provided between one end of the second driving pump (7) and the water tank (1); a fourth butterfly valve (72) is provided between the other end of the second driving pump (7) and one end of the second channel (52); and a second one-way valve (73) is provided between the fourth butterfly valve (72) and one end of the second channel (52).

9. The liquid cooling system according to claim 8, characterized in that: An electric two-way valve (8) is provided between the primary water inlet (31) and the first channel (51).

10. The liquid cooling system according to claim 4, characterized in that: The liquid cooling system further comprises a shell (9); the water tank (1), the liquid replenishing pump (22), the first driving pump (6) and the heat exchanger (5) are all arranged in the shell (9); a quick connector (91) is arranged outside the shell (9); and the quick connector (91) is connected to the liquid replenishing port (23).

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