CN210663446U - Refrigeration and heat recovery device - Google Patents
Refrigeration and heat recovery device Download PDFInfo
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- CN210663446U CN210663446U CN201921517225.9U CN201921517225U CN210663446U CN 210663446 U CN210663446 U CN 210663446U CN 201921517225 U CN201921517225 U CN 201921517225U CN 210663446 U CN210663446 U CN 210663446U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
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Abstract
The application discloses refrigeration and heat recovery device relates to the refrigeration field. The method is used for solving the problems of accurate, safe and efficient refrigeration and heat recovery of the data center cabinet. The method comprises the following steps: the system comprises a cabinet, a server box body, a liquid separation box, a liquid return box and a waste heat recovery device. A liquid separation 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 separation box, and the liquid separation box is connected to the liquid supply main 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. And a waste heat recovery device is arranged on the liquid return header pipe to recycle the heat of the high-temperature cooling liquid in the liquid return header pipe. The embodiment of the application is applied to refrigeration and heat recovery of the data center cabinet.
Description
Technical Field
The utility model relates to a refrigeration field especially relates to a refrigeration and heat recovery device.
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. But a large amount of heat in the return liquid of the cooling liquid is not recycled, so that the waste of resources is caused. 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 refrigeration and heat recovery device for server refrigerates and heat recovery 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 refrigeration and heat recovery device, the device includes: the system comprises a cabinet, a server box body, a liquid separation box, a liquid return box, a liquid supply main pipe, a liquid return main pipe and a waste heat recovery device; 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 main pipe; the liquid distribution box is used for spraying the cooling liquid on the server from the liquid leakage hole when the liquid supply main 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 a liquid return main pipe; the waste heat recovery device is arranged on the liquid return header pipe and used for precooling the cooling liquid in the liquid return header pipe and recycling heat in the cooling liquid.
The embodiment of the utility model provides a pair of refrigeration and heat recovery device sets up the server box inside the rack, divides the liquid box setting upper portion in the server box, divides the liquid box bottom surface to be provided with the weeping hole, divides the liquid box to connect on the flow supply house steward. 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. And a waste heat recovery device is arranged on the liquid return header pipe, so that the heat of the high-temperature cooling liquid in the liquid return header pipe is recycled.
Drawings
Fig. 1 is a schematic structural diagram of a refrigeration and heat recovery apparatus 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 compensation tank, 208, a liquid compensation pump, 209, a second circulating pump, 30, a waste heat recovery device, 301, a water supply pipe, 302, a water return pipe and 40 are a control module.
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 and heat recovery device provided by the embodiment of the utility model is introduced as follows:
the problems that the calculation amount born by a data center is larger and higher, the requirement on the calculation efficiency is higher and higher, the power density of a single cabinet of the data center is continuously increased, the power consumption and the heat dissipation capacity of the single cabinet are greatly improved, the refrigeration efficiency of the refrigerating device of the conventional machine room is low, a large amount of heat in return liquid of cooling liquid is not recycled, resources are wasted, and the refrigeration effect is not obvious are 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 refrigeration and heat recovery device comprises server box, liquid separation case, liquid return case, waste heat recovery device, temperature sensor, electromagnetic flow control valve, and this refrigeration and heat recovery device has realized the many-sided integrative devices such as heat recovery in coolant liquid flow detection, temperature detection, weeping detection, server temperature control, the coolant liquid, realizes more accurate, safe control to the liquid cooling. The refrigeration and heat recovery device can adjust the refrigeration 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 refrigeration and heat recovery device puts higher requirements on a control system, such as cooling liquid flow, temperature, leakage detection alarm and the like. Meanwhile, a large amount of heat in the return liquid of the cooling liquid can be recycled.
As shown in fig. 1, for the embodiment of the present invention provides a structural schematic diagram of a refrigeration and heat recovery device, the refrigeration and heat recovery device includes: the system comprises a cabinet 10, a server box 101, a liquid separation box 102, a liquid return box 103, a liquid supply main pipe 204, a liquid return main pipe 203 and a waste heat recovery device 30.
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 in the server box 101, a liquid leakage hole is disposed on the bottom surface of the liquid distribution box 102, and the liquid distribution box 102 is connected to the liquid supply main pipe 204. And the liquid distribution box 102 is used for spraying the cooling liquid on the servers from the liquid leakage holes when the liquid supply main pipe 204 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 tank 103 is connected to a liquid return header 203. The waste heat recovery device 30 is disposed on the liquid return manifold 203 and is used for pre-cooling the cooling liquid in the liquid return manifold 203 and recovering and utilizing heat in the cooling liquid.
Optionally, the liquid separation tank is connected to the liquid supply main pipe 204 through a liquid supply branch pipe, and the liquid return tank is connected to the liquid return main pipe 203 through a liquid return branch pipe.
Optionally, the waste heat recovery device 30 includes: a water supply pipe 301 and a water return pipe 302. The water supply pipe 301 and the water return pipe 302 are connected to a cooling water system. The cooling water system includes: the household hot water system is one of the resident heating systems.
After the heat recovery device 30 exchanges heat with the cooling liquid in the liquid return header 203, if the temperature of the cooling liquid is reduced to a threshold value, the heat exchanger 201 and the cooling tower 202 may not further cool the cooling liquid.
In one implementation, the waste heat recovery device 30 is connected with the residential heating system through a water supply pipe 301 and a water return pipe 302, and the waste heat recovery device 30 exchanges heat of the cooling liquid in the liquid return header pipe 203 to the residential heating system.
Optionally, the refrigeration and heat recovery device further comprises: a temperature sensor 104 and an electromagnetic flow regulating valve 105. The temperature sensor 104 is disposed in the server casing 101 and is configured to detect a 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 40 for controlling each component. Specifically, the control module 40 may be formed by a combination of a single chip microcomputer and related circuits, wherein the single chip microcomputer stores computer program instructions for causing the electromagnetic flow regulating valve 105 to regulate the opening degree when the temperature sensor 104 reaches a 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 and heat recovery 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 and heat recovery 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 and heat recovery 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, the 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 stop operating and close the first and second shut-off valves 106, 107 corresponding to the refrigeration and heat recovery devices of the server enclosures 101.
When the temperature sensor 104 detects that the temperature inside the server casing 101 reaches a threshold value, the cooling and heat recovery apparatus adjusts the electromagnetic flow control valve 105, the first circulation pump 205, and the blower 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 40 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 40 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 40 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 and heat recovery 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 and heat recovery 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 and heat recovery 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 (10)
1. A refrigeration and heat recovery apparatus, comprising: the system comprises a cabinet, a server box body, a liquid separation box, a liquid return box, a liquid supply main pipe, a liquid return main pipe and a waste heat recovery device; wherein the content of the first and second substances,
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 main pipe; the liquid distribution box is used for spraying cooling liquid on the server from the liquid leakage hole when the liquid supply main 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 main pipe;
the waste heat recovery device is arranged on the liquid return header pipe and used for pre-cooling the cooling liquid in the liquid return header pipe and recycling heat in the cooling liquid.
2. The refrigeration and heat recovery apparatus of claim 1, further comprising: a temperature sensor and an electromagnetic flow regulating valve; wherein the content of the first and second substances,
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.
3. The refrigeration and heat recovery device of claim 1, wherein the waste heat recovery device comprises: a water supply pipe and a water return pipe; wherein the content of the first and second substances,
the water supply pipe and the water return pipe are connected with a cooling water system;
the cooling water system includes: the household hot water system is one of the resident heating systems.
4. Refrigeration and heat recovery device according to claim 2,
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.
5. The refrigeration and heat recovery apparatus of claim 2, further comprising: a heat exchanger and a cooling tower; wherein the content of the first and second substances,
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 main pipe is connected with the first cooling liquid outlet, and the liquid return main 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.
6. Refrigeration and heat recovery device according to claim 2,
the liquid separating box is connected with the liquid supply main pipe through a liquid supply branch pipe, and the liquid returning box is connected with the liquid returning main pipe through a liquid returning branch pipe.
7. The refrigeration and heat recovery apparatus of claim 6, further comprising: the system comprises a first stop valve, a second stop valve, a first circulating pump and a flowmeter; wherein the content of the first and second substances,
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.
8. The refrigeration and heat recovery apparatus of claim 7, further comprising: a fluid infusion tank and a fluid infusion pump; wherein the content of the first and second substances,
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.
9. The refrigeration and heat recovery apparatus of claim 5, further comprising: a second circulation pump; wherein the content of the first and second substances,
the second circulation pump is disposed at the second coolant inlet for circulating the coolant in the cooling tower.
10. The refrigeration and heat recovery apparatus of claim 1, further comprising: a leakage tank and a leakage detection device; wherein the content of the first and second substances,
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921517225.9U CN210663446U (en) | 2019-09-11 | 2019-09-11 | Refrigeration and heat recovery device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921517225.9U CN210663446U (en) | 2019-09-11 | 2019-09-11 | Refrigeration and heat recovery device |
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| Publication Number | Publication Date |
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| CN210663446U true CN210663446U (en) | 2020-06-02 |
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| CN201921517225.9U Active CN210663446U (en) | 2019-09-11 | 2019-09-11 | Refrigeration and heat recovery device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111465301A (en) * | 2020-06-15 | 2020-07-28 | 北京百度网讯科技有限公司 | Server and data center |
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2019
- 2019-09-11 CN CN201921517225.9U patent/CN210663446U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111465301A (en) * | 2020-06-15 | 2020-07-28 | 北京百度网讯科技有限公司 | Server and data center |
| CN111465301B (en) * | 2020-06-15 | 2023-01-06 | 北京百度网讯科技有限公司 | Server and data center |
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