CN217561991U - An external cold plate cooling device - Google Patents

Abstract

An external cold plate type cooling device, which is arranged on the top of a server case, includes a shell, and a mounting slot is arranged on one side of the top of the shell; a maintenance cover plate cover and on the mounting slot, the maintenance cover plate and the mounting slot form a accommodating cavity; and At least one cold plate cooling device is arranged in the accommodating cavity; wherein the bottom surface of the casing is provided with an opening corresponding to the position of the cold plate cooling device, the bottom surface of the cold plate cooling device is located at the opening, and the bottom surface of the cold plate cooling device is connected with the heat conduction block through the heat conduction block. CPU connections inside the server chassis. The utility model is closely connected with the server CPU through the silica gel heat-conducting block, so that the cooling effect is better; the circulating flow of the insulating cooling liquid in the external liquid storage tank brings a cold source to the cold plate cooling device, thereby cooling the server and dissipating heat, and the cooling speed is faster; The external liquid storage tank can be equipped with multiple cold plate cooling devices to cool and dissipate multiple servers at the same time; just remove the fixing bolts connecting the maintenance cover and the shell, and then the liquid cooling mechanism can be removed for easy maintenance.

Description

An external cold plate cooling device

technical field

The utility model relates to the technical field of liquid cooling, in particular to an external cold plate type cooling device.

Background technique

The servers in the data center mostly adopt the air-cooled cooling mode, which has the problem of high energy consumption and high PUE value. The CPU and other heating elements of the server also have the problem of poor cooling effect, and the overheating of the server will cause the system to crash and shut down. .

Utility model content

In view of the deficiencies of the prior art, the purpose of the present utility model is to provide an external cold plate type cooling device with good cooling effect and stable server operation.

In order to achieve the above object, the utility model adopts the following technical solutions:

An external cold plate type cooling device, which is arranged on the top of a server case, includes a casing, and a mounting groove is arranged on one side of the top of the casing; a maintenance cover plate cover and on the mounting groove, the maintenance cover plate and the mounting groove form an accommodating cavity; and At least one cold plate cooling device is arranged in the accommodating cavity; wherein the bottom surface of the casing is provided with an opening corresponding to the position of the cold plate cooling device, the bottom surface of the cold plate cooling device is located at the opening, and the bottom surface of the cold plate cooling device is connected with the heat conduction block through the heat conduction block. The CPU connection in the server case; the cold plate cooling device is provided with a cold plate cooling device liquid inlet and a cold plate cooling device liquid outlet on the outer end side, and the cold plate cooling device is provided with a communication between the cold plate cooling device liquid inlet and the cold plate cooling device. Internal liquid flow path of the cooling unit liquid outlet.

Further, it also includes a liquid storage tank arranged on the outside of the shell, the liquid storage tank is provided with a liquid storage tank liquid outlet and a liquid storage tank return liquid outlet, and the liquid storage tank liquid outlet is connected to the cold plate type through the first main pipeline. The liquid inlet of the cooling device and the liquid return port of the liquid storage tank are connected to the liquid outlet of the cold plate cooling device through the second main pipeline; the first main pipeline is provided with a water pump, and the water pump is located outside the shell.

Further, the first main pipe is composed of the main liquid outlet pipe of the liquid storage tank connected to the liquid outlet of the liquid storage tank and the main liquid inlet pipe connected to the liquid inlet of the cold plate cooling device. The main liquid outlet pipe of the liquid storage tank passes through the first main pipe. The quick connector is connected with the main liquid inlet pipe; the second main pipe is composed of the main liquid return main pipe of the liquid storage tank connected to the liquid return port of the liquid storage tank and the main liquid outlet pipe connected to the liquid outlet of the cold plate cooling device. The main liquid return pipeline is connected with the main liquid outlet pipeline through the second plug connector; the water pump is arranged on the main liquid outlet pipeline of the liquid storage tank.

Further, the female connector of the first quick-plug connector is connected to the main liquid inlet pipeline, the male connector of the first quick-plug connector is connected to the main liquid outlet pipeline of the liquid storage tank, and the female connector of the second quick-plug connector is connected to the main liquid outlet pipeline. , the male connector of the second quick-plug connector is connected with the main liquid return pipeline of the liquid storage tank.

Further, the female connector of the first quick-plug connector is connected to one end of the main liquid inlet pipeline, and the other end of the main liquid inlet pipeline is connected to the liquid inlet of the cold plate cooling device; the female connector of the second quick-plug connector is connected to one end of the main liquid outlet pipeline. , the other end of the main liquid outlet is connected to the liquid outlet of the cold plate cooling device; the female connector of the first quick-plug connector and the female connector of the second quick-plug connector are located outside the installation groove through the outer edge of the maintenance cover; The first quick-plug connector and the second quick-plug connector are both self-sealing quick-plug connectors. Pulling out the male connector automatically locks the closed pipeline, and inserting the male connector automatically unlocks the connected pipeline.

Further, the server chassis is provided with a top cover, the casing is fixed on the top cover, and a position corresponding to the CPU is provided with a through hole on the top cover for the boss on the bottom surface of the cooling plate cooling device to pass through.

Further, an air outlet is arranged on the side of the casing close to the installation groove, and a centrifugal fan is arranged at the air outlet; a liquid leakage induction rope is arranged around the groove bottom of the installation groove, and the top surface of the cold plate cooling device is fixed to the maintenance cover.

Further, there are two cold plate cooling devices, the two cold plate cooling devices are respectively arranged in two installation grooves, and the two main liquid inlet pipes on the two cold plate cooling devices pass through the liquid outlet branch pipes of the liquid storage tank. The pipeline is connected with the main liquid outlet pipeline of the liquid storage tank, and the two main liquid outlet pipelines on the two cold plate cooling devices are connected with the main liquid return pipeline of the liquid storage tank through the liquid storage tank return branch pipeline.

Further, the two sides of the maintenance cover are fixedly connected to the side walls of the installation slot through rivet nuts, and the outer side of the maintenance cover is fixedly connected to the installation slot through fixing bolts. The fixing bracket, the maintenance cover is connected with the fixing bracket through the fixing bracket bolts.

Further, the top surface of the cold plate cooling device is connected to the maintenance cover through a plurality of threaded spring plungers; a plurality of threaded spring plunger holes are provided on the top surface of the cold plate cooling device, and the threaded spring plungers pass through. The through hole on the maintenance cover is screwed into the threaded spring plunger hole.

During the use of the utility model, when an external cold plate type cooling device is running, the water pump is energized and operated, and the insulating cooling liquid enters the built-in liquid storage tank through the main liquid outlet pipeline, the liquid outlet branch pipeline of the liquid storage tank, and the main liquid inlet pipeline. Cold plate type cooling device, the insulating cooling liquid comes out of the cold plate type cooling device and returns to the liquid storage tank through the main liquid outlet pipeline, the liquid return branch pipeline of the liquid storage tank, and the main liquid return main pipeline of the liquid storage tank to form a closed pipeline to realize insulation. Circulation of coolant.

Compared with the prior art, the utility model has the following advantages:

(1) The cold plate cooling device is closely connected with the server CPU through the silica gel heat conduction block, and the cooling effect is better;

(2) The circulating flow of the insulating cooling liquid in the external liquid storage tank brings a cold source to the cold plate cooling device, thereby cooling and dissipating heat for the server, and the cooling speed is faster;

(3) The external liquid storage tank can be equipped with multiple cold plate cooling devices to cool and dissipate heat for multiple servers at the same time;

(4) The liquid cooling mechanism can be removed simply by removing the fixing bolts connecting the maintenance cover and the housing for easy maintenance.

Description of drawings

Fig. 1 is the three-dimensional schematic diagram of the present utility model;

Fig. 2 is the bottom view schematic diagram of the present utility model;

Fig. 3 is the three-dimensional schematic diagram of the utility model removing the maintenance cover;

Fig. 4 is the top view schematic diagram of the utility model removing the maintenance cover;

5 is a perspective view of the cold plate cooling device of the present invention;

6 is a schematic front view of the cold plate cooling device of the present invention;

Fig. 7 is the sectional schematic diagram of the direction B-B in Fig. 6;

Fig. 8 is the left side schematic diagram of the utility model in cooperation with the server chassis;

9 is a schematic plan view of the external pipeline of the present invention.

In the figure, 1-shell, 2-threaded spring plunger, 3-fixing bracket bolt, 4-maintenance cover, 5-air outlet, 6-first quick connector, 7-second quick connector, 8 -Fixing bolts, 9-Centrifugal fan, 10-Cold plate cooling device, 11-Liquid leakage sensing rope, 12-Fixing bracket, 13-Press rivet nut, 14-Liquid inlet main pipe, 15-Liquid outlet main pipe, 16 -U-shaped groove, 17- partition plate, 18- liquid inlet of cold plate cooling device, 19- liquid outlet of cold plate cooling device, 20- threaded spring plunger hole, 21- internal liquid flow channel of cold plate cooling device, 22- Liquid storage tank, 23- Liquid storage tank outlet, 24- Liquid storage tank liquid outlet main pipeline valve, 25- Water pump, 26- Liquid storage tank liquid outlet main pipeline, 27- Liquid storage tank outlet liquid branch pipeline , 28- liquid storage tank return branch pipeline, 29- liquid storage tank return liquid main pipeline, 30- liquid storage tank return liquid main pipeline valve, 31- liquid storage tank return port, 32- server case, 33- silicone Thermal block, 34-CPU.

Detailed ways

Example 1

As shown in FIG. 1 to FIG. 9, an external cold plate cooling device is arranged on the top of the server case 32, which includes a housing 1, and a mounting slot is provided on one side of the top of the housing 1. Preferably, the mounting slot is U-shaped Slot 16; the maintenance cover plate 4 is covered and on the installation slot, the maintenance cover plate 4 and the installation slot form a accommodating cavity. The outer side of the cover plate 4 is fixedly connected to the installation slot through fixing bolts 8, and a fixing bracket 12 is arranged in the installation slot on the side close to the cold plate cooling device 10. The maintenance cover plate 4 is connected to the fixing bracket 12 through the fixing bracket bolts 3; at least A cold plate cooling device 10 is arranged in the accommodating cavity, wherein the bottom surface of the housing 1 is provided with an opening corresponding to the position of the cold plate cooling device 10, the bottom surface of the cold plate cooling device 10 is located at the opening, and the bottom surface of the cold plate cooling device 10 is heated by heat conduction. The block is connected to the CPU 34 in the server chassis 32 , and preferably, the heat conducting block is a silica gel heat conducting block 33 . The top surface of the cold plate cooling device 10 is fixed to the maintenance cover 4 .

The top surface of the cold plate cooling device 10 is connected to the maintenance cover 4 through a plurality of threaded spring plungers 2; 2. Thread through the through hole on the maintenance cover plate 4 and screw it into the threaded spring plunger hole 20. The degree of fit of the cold plate cooling device 10 with the silicone heat conducting block 33 and the CPU 34 can be adjusted through the threaded spring plunger 2 . It is ensured that the silica gel heat conduction block 33 is closely connected with the cold plate cooling device and the server CPU, so as to facilitate conduction and heat exchange to cool down and dissipate heat for the server CPU.

The server case 32 is provided with a top cover on which the casing 1 is fixed, and a through hole for the boss on the bottom surface of the plate cooling device 10 to pass through is formed on the top cover at a position corresponding to the CPU 34 . During installation, the boss on the bottom surface of the cold plate cooling device 10 protrudes into the server chassis 32 through the through hole on the top cover, and is connected to the server CPU through the heat conducting block. An air outlet 5 is arranged on the side of the casing 1 close to the installation groove, and a centrifugal fan 9 is arranged at the air outlet 5; a liquid leakage sensing rope 11 is arranged around the groove bottom of the installation groove. The liquid leakage sensing rope 11 is used to detect whether there is leakage of insulating cooling liquid in the U-shaped groove, and the server chassis will receive a leakage alarm signal if it leaks.

The cold plate cooling device 10 is provided with a cold plate cooling device liquid inlet 18 and a cold plate cooling device liquid outlet 19 on the outer end side, and the cold plate cooling device 10 is provided with a communication between the cold plate cooling device liquid inlet 18 and the cold plate cooling device. The internal liquid flow channel 21 of the liquid outlet 19 . Preferably, the internal liquid flow channel 21 of the cold plate cooling device is serpentine.

This embodiment also includes a liquid storage tank 22 disposed outside the casing 1, and the liquid storage tank 22 stores insulating cooling liquid. The liquid storage tank 22 is provided with a liquid storage tank liquid outlet 23 and a liquid storage tank return port 31. The liquid storage tank liquid outlet 23 is connected to the liquid inlet 18 of the cold plate cooling device through the first main pipeline, and the liquid storage tank returns to the liquid inlet 18 of the cold plate cooling device. The liquid port 31 is connected to the liquid outlet 19 of the cold plate cooling device through the second main line; the first main line is provided with a water pump 25 , which is located outside the casing 1 .

The first main pipe is composed of a liquid storage tank outlet main pipe 26 connected to the liquid storage tank liquid outlet 23 and a liquid inlet main pipe 14 connected to the liquid inlet 18 of the cold plate cooling device. The liquid storage tank outlet main pipe 26 It is connected to the main liquid inlet pipe 14 through the first quick plug connector 6; the second main pipe is connected to the main liquid return pipe 29 of the liquid storage tank connected to the liquid return port 31 of the liquid storage tank and the main pipe connected to the liquid outlet 19 of the cold plate cooling device. The main liquid outlet pipeline 15 is composed, and the main liquid return main pipeline 29 of the liquid storage tank is connected with the main liquid outlet pipeline 15 through the second plug connector. The water pump 25 is arranged on the main liquid outlet pipeline 26 of the liquid storage tank.

The female connector of the first quick connector 6 is connected to one end of the main liquid inlet pipe 14, and the other end of the main liquid inlet pipe 14 is connected to the liquid inlet 18 of the cold plate cooling device; the male connector of the first quick connector 6 is connected to the outlet of the liquid storage tank. The main liquid pipeline 26 is connected; the female connector of the second quick plug connector 7 is connected to one end of the main liquid outlet pipeline 15, and the other end of the main liquid outlet pipeline 15 is connected to the liquid outlet 19 of the cold plate cooling device; The male connector is connected to the main liquid return main line 29 of the liquid storage tank.

The female connector of the first quick connector 6 and the female connector of the second quick connector 7 are located outside the installation groove through the outer edge of the maintenance cover 4; the first quick connector 6 and the second quick connector 7 are both self-sealing Quickly insert the connector, pull out the male connector to automatically lock the closed pipeline, and insert the male connector to automatically unlock the connected pipeline.

There are two cold plate cooling devices 10. The two cold plate cooling devices 10 are respectively arranged in two adjacent installation slots, and a partition 17 is arranged between the two installation slots. The two main liquid inlet pipes 14 are connected to the main liquid outlet pipes 26 of the liquid storage tank through the liquid outlet branch pipes 27 of the liquid storage tank, and the two main liquid outlet pipes 15 on the two cold plate cooling devices 10 are branched through the liquid storage tank return The pipeline 28 is connected to the main pipeline 29 for returning the liquid to the liquid storage tank.

The water pump 25 , the centrifugal fan 9 and the liquid leakage sensing rope 11 are powered by the power supply in the server. When the server is working, the water pump 25 , the centrifugal fan 9 and the liquid leakage sensing rope 11 are all powered on.

In the present embodiment, the main outlet 26 of the liquid storage tank is provided with a main outlet valve 24 of the liquid storage tank, and the main outlet 29 of the liquid storage tank is provided with a main valve 30 of the main outlet of the liquid storage tank.

Claims (10)

1. An external cold drawing formula cooling device which characterized in that: the server case is arranged on the top of the server case and comprises a shell, and an installation groove is formed in one side of the top of the shell; the maintenance cover plate covers and is arranged on the mounting groove, and the maintenance cover plate and the mounting groove form an accommodating cavity; and at least one cold plate cooling device disposed within the receiving cavity; the bottom surface of the shell is provided with an opening corresponding to the position of the cold plate type cooling device, the bottom surface of the cold plate type cooling device is positioned at the opening, and the bottom surface of the cold plate type cooling device is connected with a CPU (central processing unit) in the server case through a heat conduction block; the outer end side of the cold plate type cooling device is provided with a cold plate type cooling device liquid inlet and a cold plate type cooling device liquid outlet, and an internal liquid flow passage communicated with the cold plate type cooling device liquid inlet and the cold plate type cooling device liquid outlet is arranged in the cold plate type cooling device.

2. The external cold plate cooling device of claim 1, wherein: the liquid storage tank is provided with a liquid storage tank liquid outlet and a liquid storage tank liquid return port, the liquid storage tank liquid outlet is connected to the liquid inlet of the cold plate type cooling device through a first main pipeline, and the liquid storage tank liquid return port is connected to the liquid outlet of the cold plate type cooling device through a second main pipeline; the first main pipeline is provided with a water pump which is positioned outside the shell.

3. An external cold plate cooling device according to claim 2, wherein: the first main pipe consists of a liquid storage tank liquid outlet main pipe connected to a liquid outlet of the liquid storage tank and a liquid inlet main pipe connected to a liquid inlet of the cold plate type cooling device, and the liquid outlet main pipe of the liquid storage tank is connected with the liquid inlet main pipe through a first quick connector; the second main pipe consists of a liquid storage tank liquid return main pipeline connected to a liquid return port of the liquid storage tank and a liquid outlet main pipeline connected to a liquid outlet of the cold plate type cooling device, and the liquid storage tank liquid return main pipeline is connected with the liquid outlet main pipeline through a second plug-in connector; the water pump is arranged on the liquid outlet main pipeline of the liquid storage tank.

4. An external cold plate cooling device according to claim 3, wherein: the female connector of the first quick connector is connected with the liquid inlet main pipeline, the male connector of the first quick connector is connected with the liquid outlet main pipeline of the liquid storage tank, the female connector of the second quick connector is connected with the liquid outlet main pipeline, and the male connector of the second quick connector is connected with the liquid return main pipeline of the liquid storage tank.

5. An external cold plate cooling device according to claim 3, wherein: the female joint of the first quick connector is connected with one end of a main liquid inlet pipeline, and the other end of the main liquid inlet pipeline is connected to a liquid inlet of the cold plate type cooling device; the female joint of the second quick connector is connected with one end of the main liquid outlet pipeline, and the other end of the main liquid outlet pipeline is connected to a liquid outlet of the cold plate type cooling device; the female joint of the first quick connector and the female joint of the second quick connector penetrate through the outer side edge of the maintenance cover plate and are positioned on the outer side of the mounting groove; the first quick connector and the second quick connector are self-sealing quick connectors, the closed pipeline is automatically locked after the male connector is pulled out, and the communication pipeline is automatically unlocked after the male connector is inserted.

6. The external cold plate cooling device of claim 1, wherein: the server case is provided with a top cover, the shell is fixed on the top cover, and a through hole for the boss on the bottom surface of the cooling plate type cooling device to pass through is formed in the position, corresponding to the CPU, of the top cover.

7. The external cold plate cooling device of claim 1, wherein: an air outlet is formed in one side, close to the mounting groove, of the shell, and a centrifugal fan is arranged at the air outlet; the periphery of the bottom of the mounting groove is provided with a leakage induction rope, and the top surface of the cold plate type cooling device is fixed on the maintenance cover plate.

8. An external cold plate cooling device according to claim 2, wherein: the two cold plate type cooling devices are respectively arranged in the two mounting grooves, two liquid inlet main pipelines on the two cold plate type cooling devices are connected with a liquid outlet main pipeline of the liquid storage box through a liquid outlet branch pipeline of the liquid storage box, and two liquid outlet main pipelines on the two cold plate type cooling devices are connected with a liquid return main pipeline of the liquid storage box through a liquid return branch pipeline of the liquid storage box.

9. The external cold plate cooling device of claim 1, wherein: the both sides limit of maintenance apron is through pressing rivet nut and mounting groove lateral wall fixed connection, and the outside limit of maintenance apron passes through fixing bolt and mounting groove fixed connection, is provided with the fixed bolster near cold plate formula cooling device one side in the mounting groove, and the maintenance apron passes through the fixed bolster bolt and is connected with the fixed bolster.

10. The external cold plate cooling device of claim 1, wherein: the top surface of the cold plate type cooling device is connected with the maintenance cover plate through a plurality of threaded spring plungers; the top surface of the cold plate type cooling device is provided with a plurality of threaded spring plunger plug holes, and the threaded spring plungers penetrate through holes on the maintenance cover plate and are screwed in the threaded spring plunger plug holes.

Images