CN210808032U - Refrigerating device - Google Patents

Refrigerating device Download PDF

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CN210808032U
CN210808032U CN201921517149.1U CN201921517149U CN210808032U CN 210808032 U CN210808032 U CN 210808032U CN 201921517149 U CN201921517149 U CN 201921517149U CN 210808032 U CN210808032 U CN 210808032U
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liquid
server
box
cooling
box body
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CN201921517149.1U
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闫健
刘宝庆
潘磊
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China United Network Communications Group Co Ltd
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China United Network Communications Group Co Ltd
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Abstract

The application discloses refrigerating plant relates to the refrigeration field for solve accurate, safe efficient refrigeration problem to the data center rack. The method comprises the following steps: the device comprises a cabinet, a server box body, a liquid separation box, a liquid return box, a temperature sensor and an electromagnetic flow regulating valve. A liquid separation box is arranged at the upper part in the server box body, liquid leakage holes are formed in the bottom surface of the liquid separation box, and the liquid separation box is connected to the liquid supply branch pipe. The servers in the server box body are sprayed through the liquid leakage holes in the bottom surface of the liquid distribution box, so that the cooling and refrigerating effects are achieved. Set up temperature sensor in the server box, electromagnetic flow control valve sets up on returning the liquid branch pipe, adjusts electromagnetic flow control valve's aperture through the temperature that utilizes temperature sensor to detect the server to control the coolant liquid flow, reach more accurate, the safe effect of server refrigeration. The embodiment of the application is applied to refrigeration of the data center cabinet.

Description

Refrigerating device
Technical Field
The utility model relates to a refrigeration field especially relates to a refrigerating plant.
Background
With the construction and development of information networks, the data center serving as an information infrastructure bears larger and larger calculation amount, and the requirement on the calculation efficiency is higher and higher. The power density of a single cabinet of the data center is continuously increased, and the power consumption and the heat dissipation capacity of the single cabinet are greatly improved. In order to deal with the refrigeration pressure of the data center, a plurality of refrigeration modes, such as a cold plate type, an immersion type and a spray type, are available. The spray type liquid cooling scheme combines the advantages of a cold plate type and an immersion type, and gradually becomes a first-choice refrigeration solution for a high-power-density cabinet. The spray type liquid cooling scheme needs to realize a more accurate and safe control strategy, and puts higher requirements on a control system, such as cooling liquid flow, temperature, leakage detection alarm and the like.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a refrigerating plant for server refrigerates in to current data center rack.
In order to achieve the above object, the embodiments of the present invention adopt the following technical solutions:
the utility model provides a refrigerating plant, the device includes: the system comprises a cabinet, a server box body, a liquid separation box, a liquid return box, a temperature sensor and an electromagnetic flow regulating valve; the server box body is arranged inside the cabinet; the liquid separation box is arranged at the upper part in the server box body, the bottom surface of the liquid separation box is provided with a liquid leakage hole, and the liquid separation box is connected to the liquid supply branch pipe; the liquid distribution box is used for spraying the cooling liquid on the server from the liquid leakage hole when the liquid supply branch pipe inputs the cooling liquid into the liquid distribution box; the liquid return box is arranged at the bottom in the server box body and is used for collecting cooling liquid flowing down from the server; the liquid return box is connected with the liquid return branch pipe; the temperature sensor is arranged in the server box body and used for detecting the temperature in the server box body; the electromagnetic flow control valve is arranged on the liquid return branch pipe and used for increasing the opening degree of the electromagnetic flow control valve when the temperature sensor detects that the temperature in the server box reaches a threshold value.
An embodiment of the utility model provides a refrigerating plant, with the setting of server box inside the rack, divide the liquid box setting on the internal upper portion of server box, divide the liquid box bottom surface to be provided with the weeping hole, divide the liquid box to connect on supplying liquid branch pipe. The servers in the server box body are sprayed through the liquid leakage holes in the bottom surface of the liquid distribution box, so that the cooling and refrigerating effects are achieved. The liquid return box is arranged at the bottom in the server box body, and the cooling liquid flowing down from the server is collected by the liquid return box. Set up temperature sensor in the server box, electromagnetic flow control valve sets up on returning the liquid branch pipe, adjusts electromagnetic flow control valve's aperture through the temperature that utilizes temperature sensor to detect the server to control the coolant liquid flow, reach more accurate, the safe effect of server refrigeration.
Drawings
Fig. 1 is a schematic structural diagram of a refrigeration device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a server box according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a control module according to an embodiment of the present invention.
Reference numerals:
in the figure, 10, a cabinet, 101, a server box body, 102, a liquid separation box, 103, a liquid return box, 104, a temperature sensor, 105, an electromagnetic flow regulating valve, 106, a first stop valve, 107, a second stop valve, 108, a liquid leakage groove, 109, a liquid leakage detection device, 201, a heat exchanger, 202, a cooling tower, 203, a liquid return header pipe, 204, a liquid supply header pipe, 205, a first circulating pump, 206, a flow meter, 207, a liquid supplement tank, 208, a liquid supplement pump, 209, a second circulating pump and 30 are control modules.
Detailed Description
The technical solution in the embodiment of the present invention will be described below with reference to the accompanying drawings in the embodiment of the present invention.
In the description of the present invention, "/" means "or" unless otherwise stated, for example, a/B may mean a or B. "and/or" herein is merely an association describing an associated object, and means that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. Further, "at least one" means one or more, "a plurality" means two or more. The terms "first", "second", and the like do not necessarily limit the number and execution order, and the terms "first", "second", and the like do not necessarily limit the difference.
The invention concept of the refrigeration device provided by the embodiment of the invention is introduced as follows:
the problem that the refrigerating efficiency of an existing machine room refrigerating device is low and the effect is not obvious due to the fact that the calculation amount born by a data center is larger and larger, the requirement on the calculation efficiency is higher and higher, the power density of a single machine cabinet of the data center is increased continuously, and the power consumption and the heat dissipation capacity of the single machine cabinet are greatly improved is solved. Meanwhile, in order to overcome the defects of the spray type refrigerating device, a more accurate and safe refrigerating effect cannot be realized. The utility model provides a refrigerating plant comprises server box, liquid distribution box, liquid return box, temperature sensor, electromagnetic flow control valve, and this refrigerating plant has realized realizing more accurate, safe control to many-sided integrative devices such as coolant liquid flow detection, temperature detection, weeping detection, server temperature control to the liquid cooling. The refrigerating device can adjust the refrigerating effect according to the real-time temperature of the server, and the temperature of the server is controlled within a normal range to the maximum extent. And the refrigerating device puts higher requirements on a control system, such as cooling liquid flow, temperature, leakage detection alarm and the like.
As shown in fig. 1, for the structure schematic diagram of the refrigeration device provided by the embodiment of the present invention, this refrigeration device includes: the system comprises a cabinet 10, a server box 101, a liquid separation box 102, a liquid return box 103, a temperature sensor 104 and an electromagnetic flow regulating valve 105.
Specifically, the server casing 101 is provided inside the cabinet 10. As shown in fig. 2, the liquid distribution box 102 is disposed at the upper portion of the inside of the server box 101, a liquid leakage hole is formed in the bottom surface of the liquid distribution box 102, and the liquid distribution box 102 is connected to the liquid supply branch pipe. And the liquid distribution box 102 is used for spraying the cooling liquid on the server from the liquid leakage hole when the liquid supply branch pipe inputs the cooling liquid into the liquid distribution box 102. The liquid return tank 103 is disposed at the bottom of the server casing 101, and the liquid return tank 103 is used for collecting the cooling liquid flowing down from the server. The liquid return box 103 is connected with a liquid return branch pipe. The temperature sensor 104 is provided in the server casing 101, and detects the temperature in the server casing 101. An electromagnetic flow control valve 105 is provided on the liquid return branch pipe for increasing the opening degree of the electromagnetic flow control valve 105 when the temperature sensor 104 detects that the temperature inside the server casing 101 reaches a threshold value.
It should be noted that, as shown in fig. 3, the present invention includes a control module 30 for controlling each component. Specifically, the control module 30 may be formed by a single chip microcomputer and a related circuit combination, wherein the single chip microcomputer stores therein computer program instructions for causing the electromagnetic flow regulating valve 105 to adjust the opening degree when the temperature sensor 104 reaches the threshold value. The computer program instructions can be implemented by using the existing program codes when the computer program instructions are specifically applied by those skilled in the art, and are not described in detail herein.
In one implementation, a liquid supply main 204 and a liquid return main 203 are disposed at the back of the cabinet 10, and the server box 101 is connected to the liquid supply main 204 and the liquid return main 203 through liquid supply branch pipes and liquid return branch pipes. Illustratively, as shown in FIG. 1, a plurality of server enclosures 101 are included in the rack 10, with the servers in each server enclosure 101 operating individually. When the cabinet is not fully loaded with service, the corresponding server chassis 101 may be rendered inoperative. Meanwhile, the refrigeration module corresponding to the server casing 101 may block its operation by the first and second cutoff valves 106 and 107.
Optionally, the temperature sensor 104 is disposed in the server box 101, and is configured to detect a temperature in the server box 101, and specifically includes: the temperature sensor 104 is disposed in the server casing 101 and detects a temperature of the server chip in the server casing 101 and a temperature of the return liquid in the return liquid tank 103. The temperature in the server can be detected in time, and normal work of the equipment is guaranteed.
In one implementation, the temperature sensor 104 is disposed at a position of the processor chip with the highest temperature when the server operates in the server box 101, so that the operating state of the server can be mastered to the maximum extent, the server can be cooled more accurately, and the safety of the equipment can be ensured.
Optionally, the refrigeration device further comprises: a heat exchanger 201 and a cooling tower 202. The heat exchanger 201 includes a first cooling liquid outlet, a first cooling liquid inlet, a second cooling liquid outlet, and a second cooling liquid inlet. The liquid supply branch pipe is connected with the first cooling liquid outlet, and the liquid return branch pipe is connected with the first cooling liquid inlet. The second coolant outlet and the second coolant inlet are connected to the cooling tower 202. A fan is included in the cooling tower 202 for increasing the rotational speed when the temperature sensor 104 detects that the temperature in the server enclosure 101 reaches a threshold value. The cooling of the cooling liquid is accelerated by improving the fan in the cooling tower 202, so that the cooling liquid can have a better effect when refrigerating the server.
Optionally, the refrigeration device further comprises: a supply manifold 204 and a return manifold 203. The liquid supply branch pipe is connected with the first cooling liquid outlet through a liquid supply header pipe 204, and the liquid return branch pipe is connected with the first cooling liquid inlet through a liquid return header pipe 203. The connection of the liquid supply manifold 204 and the liquid return manifold 203 ensures that the normal operation of other server boxes 101 is not influenced when the corresponding server box 101 does not work.
Optionally, the refrigeration device further comprises: a first stop valve 106, a second stop valve 107, a first circulation pump 205, a flow meter 206. Wherein, a first stop valve 106 is arranged on the liquid return branch pipe, and a second stop valve 107 is arranged on the liquid supply branch pipe. A first circulation pump 205 is disposed on the liquid return header 203, and the first circulation pump 205 is configured to increase the rotation speed when the temperature sensor 104 detects that the temperature inside the server box 101 reaches a threshold value and the electromagnetic flow regulating valve 105 is opened and closed to a maximum. A flow meter 206 is disposed on the supply manifold 204 for sensing the flow of cooling fluid in the supply manifold 204.
In one implementation, individual control of the server enclosures 101 may be achieved by controlling the first and second shut-off valves 106, 107 such that a plurality of server enclosures 101 in the rack 10 operate individually, and when the rack 10 is not fully loaded with service, the server enclosures 101 in the rack 10 that are not in service may be shut down and the first and second shut-off valves 106, 107 of the refrigeration equipment corresponding to the server enclosures 101 closed.
When the temperature sensor 104 detects that the temperature inside the server box 101 reaches a threshold value, the cooling device adjusts the electromagnetic flow control valve 105, the first circulation pump 205, and the fans inside the cooling tower 202. The priority regulating sequence is as follows: an electromagnetic flow regulating valve 105, a fan in the cooling tower 202 and a first circulating pump 205.
In one implementation, the control module 30 controls the opening of the electromagnetic flow regulating valve 105 to be maximized when the temperature sensor 104 detects that the temperature inside the server casing 101 reaches a threshold value. Within a certain time, if the temperature sensor 104 detects that the temperature in the server box 101 still reaches the threshold, the control module 30 controls the fan speed in the cooling tower 202 to gradually increase until the fan speed reaches the maximum. After a certain time, if the temperature sensor 104 detects that the temperature in the server box 101 still reaches the threshold, the control module 30 controls the rotation speed of the first circulation pump 205 to gradually increase until the rotation speed of the first circulation pump 205 reaches the maximum.
Optionally, the refrigeration device further comprises: a liquid replenishing tank 207 and a liquid replenishing pump 208. The liquid supplementing tank 207 is connected to a coolant inlet of the first circulating pump 205 through a liquid supplementing pipe, and the liquid supplementing pump 208 is disposed on the liquid supplementing pipe and is used for supplementing the coolant to the liquid supply main pipe 204 and stabilizing the pressure value of the liquid supply main pipe 204 when the flow meter 206 detects that the flow rate of the coolant in the liquid supply main pipe 204 is lower than a threshold value.
Optionally, the refrigeration device further comprises: and a second circulation pump 209. Wherein a second circulation pump 209 is provided at the second coolant inlet for circulating the coolant in the cooling tower 202.
Optionally, the refrigeration device further comprises: a leakage liquid tank 108 and a leakage liquid detection device 109. Wherein, the weep channel 108 is disposed below the server. The leakage detecting device 109 is disposed in the leakage tank 108, and is configured to detect whether there is cooling liquid in the leakage tank 108, and issue an alarm when there is cooling liquid in the leakage tank 108.
Optionally, the liquid leakage detecting device 109 further includes: alarm signal lights and/or buzzers. And an alarm signal lamp for flashing when the presence of coolant in the drip tank 108 is detected. And the buzzer is used for giving out a buzzer alarm when the coolant in the liquid leakage groove 108 is detected.
In one implementation, when the leak detection device 109 detects that there is coolant in the leak tank 108, an alarm signal of the leak detection device 109 begins to flash. And the buzzer starts to give out a buzzer sound alarm.
The above description is only the specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or replacements within the technical scope of the present invention should be covered within the protection scope of the present invention.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (9)

1. A refrigeration device, comprising: the system comprises a cabinet, a server box body, a liquid separation box, a liquid return box, a temperature sensor and an electromagnetic flow regulating valve; wherein,
the server box body is arranged inside the cabinet; the liquid distribution box is arranged at the upper part in the server box body, a liquid leakage hole is formed in the bottom surface of the liquid distribution box, and the liquid distribution box is connected to the liquid supply branch pipe; the liquid distribution box is used for spraying the cooling liquid on the server from the liquid leakage hole when the liquid supply branch pipe inputs the cooling liquid into the liquid distribution box;
the liquid return box is arranged at the bottom in the server box body and is used for collecting cooling liquid flowing down from the server; the liquid return box is connected with the liquid return branch pipe;
the temperature sensor is arranged in the server box body and used for detecting the temperature in the server box body;
the electromagnetic flow regulating valve is arranged on the liquid return branch pipe and used for increasing the opening degree of the electromagnetic flow regulating valve when the temperature sensor detects that the temperature in the server box reaches a threshold value.
2. A cold appliance according to claim 1,
the temperature sensor sets up in the server box for detect the temperature in the server box specifically includes: the temperature sensor is arranged in the server box body and used for detecting the temperature of a server chip in the server box body and the temperature of return liquid in the return liquid box.
3. A cold appliance according to claim 1, wherein the appliance further comprises: a heat exchanger and a cooling tower; wherein,
the heat exchanger comprises a first cooling liquid outlet, a first cooling liquid inlet, a second cooling liquid outlet and a second cooling liquid inlet; the liquid supply branch pipe is connected with the first cooling liquid outlet, and the liquid return branch pipe is connected with the first cooling liquid inlet; the second cooling liquid outlet and the second cooling liquid inlet are connected with the cooling tower;
the cooling tower comprises a fan, and the fan is used for increasing the rotating speed when the temperature sensor detects that the temperature in the server box body reaches a threshold value.
4. A cold appliance according to claim 3, wherein the appliance further comprises: a liquid supply main pipe and a liquid return main pipe; wherein,
the liquid supply branch pipe is connected with the first cooling liquid outlet through the liquid supply main pipe, and the liquid return branch pipe is connected with the first cooling liquid inlet through the liquid return main pipe.
5. A cold appliance according to claim 4, wherein the appliance further comprises: the system comprises a first stop valve, a second stop valve, a first circulating pump and a flowmeter; wherein,
the first stop valve is arranged on the liquid return branch pipe, and the second stop valve is arranged on the liquid supply branch pipe;
the first circulating pump is arranged on the liquid return header pipe and used for increasing the rotating speed when the temperature sensor detects that the temperature in the server box body reaches a threshold value and the electromagnetic flow regulating valve switch reaches the maximum value;
the flow meter is arranged on the liquid supply main pipe and used for detecting the flow of the cooling liquid in the liquid supply main pipe.
6. A cold appliance according to claim 5, wherein the appliance further comprises: a fluid infusion tank and a fluid infusion pump; wherein,
the liquid supplementing tank is connected to a cooling liquid inlet of the first circulating pump through a liquid supplementing pipe, and the liquid supplementing pump is arranged on the liquid supplementing pipe and used for supplementing the cooling liquid to the liquid supply main pipe and stabilizing the pressure value of the liquid supply main pipe when the flow meter detects that the flow of the cooling liquid in the liquid supply main pipe is lower than a threshold value.
7. A cold appliance according to claim 3, wherein the appliance further comprises: a second circulation pump; wherein,
the second circulation pump is disposed at the second coolant inlet for circulating the coolant in the cooling tower.
8. A cold appliance according to claim 1, wherein the appliance further comprises: a leakage tank and a leakage detection device; wherein,
the liquid leakage groove is arranged below the server;
the leakage detection device is arranged in the leakage groove and used for detecting whether cooling liquid exists in the leakage groove or not and sending out an alarm when the cooling liquid exists in the leakage groove.
9. A refrigerating device as recited in claim 8 wherein said leakage detecting means further comprises an alarm signal lamp and/or a buzzer;
the alarm signal lamp is used for flashing when the coolant in the liquid leakage groove is detected;
and the buzzer is used for giving out a buzzer alarm when the coolant in the liquid leakage groove is detected.
CN201921517149.1U 2019-09-11 2019-09-11 Refrigerating device Active CN210808032U (en)

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CN201921517149.1U CN210808032U (en) 2019-09-11 2019-09-11 Refrigerating device

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Application Number Priority Date Filing Date Title
CN201921517149.1U CN210808032U (en) 2019-09-11 2019-09-11 Refrigerating device

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112764496A (en) * 2021-01-28 2021-05-07 兰洋(宁波)科技有限公司 Liquid cooling implementation method of liquid cooling system and liquid cooling system thereof
CN112954974A (en) * 2021-02-08 2021-06-11 浙江佳环工程技术有限公司 High-voltage frequency converter spray cooling system and method thereof
CN114144016A (en) * 2020-09-03 2022-03-04 中国联合网络通信集团有限公司 Cabinet cooling system and control method thereof
CN115175538A (en) * 2022-08-09 2022-10-11 佛山市液冷时代科技有限公司 Data center spray phase change liquid cooling system and data center system dynamic control method
CN116185154A (en) * 2023-03-01 2023-05-30 立讯热传科技(惠州)有限公司 Immersed liquid cooling equipment

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114144016A (en) * 2020-09-03 2022-03-04 中国联合网络通信集团有限公司 Cabinet cooling system and control method thereof
CN114144016B (en) * 2020-09-03 2024-07-26 中国联合网络通信集团有限公司 Cabinet cooling system and control method thereof
CN112764496A (en) * 2021-01-28 2021-05-07 兰洋(宁波)科技有限公司 Liquid cooling implementation method of liquid cooling system and liquid cooling system thereof
CN112954974A (en) * 2021-02-08 2021-06-11 浙江佳环工程技术有限公司 High-voltage frequency converter spray cooling system and method thereof
CN112954974B (en) * 2021-02-08 2022-05-10 浙江佳环工程技术有限公司 Working method of high-voltage frequency converter spray cooling system
CN115175538A (en) * 2022-08-09 2022-10-11 佛山市液冷时代科技有限公司 Data center spray phase change liquid cooling system and data center system dynamic control method
CN116185154A (en) * 2023-03-01 2023-05-30 立讯热传科技(惠州)有限公司 Immersed liquid cooling equipment

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