Air-liquid heat exchange system

Abstract

The utility model provides an air-liquid heat exchange system which is applied to the technical field of air-liquid heat exchange. The system comprises a liquid cooling loop and an air cooling loop which are arranged in parallel; the liquid cooling loop comprises a first heat exchange branch, a first transducer and a liquid cooling branch; the first energy converter is located between the first heat exchange branch and the liquid cooling branch and connected with the first heat exchange end of the first heat exchange branch and the first heat exchange end of the liquid cooling branch, and the second heat exchange end of the liquid cooling branch is connected with a target to be subjected to heat exchange in a heat exchange mode. The air cooling loop comprises a second heat exchange branch, a second energy converter and an air cooling branch; the second energy converter is located between the second heat exchange branch and the air cooling branch and connected with the third heat exchange end of the second heat exchange branch and the third heat exchange end of the air cooling branch, the fourth heat exchange end of the air cooling branch is located at the position of a target to be subjected to heat exchange, and efficient and reliable cooling can be improved in various application scenes.

Description

Technical Field

[0001] The present application relates to the technical field of air-liquid heat exchange, and in particular to an air-liquid heat exchange system. Background Art

[0002] With the rapid development of information technology, the energy consumption and heat generation of data centers, high-performance computing, and industrial equipment are constantly increasing. Efficient cooling systems have become critical to ensuring the stable operation of these devices. Traditional cooling systems, such as single air cooling or liquid cooling systems, while performing well in some scenarios, often fall short when faced with high heat density and complex environments. Utility Model Content

[0003] The purpose of this application is to provide an air-to-liquid heat exchange system to improve efficient and reliable cooling in various application scenarios.

[0004] In a first aspect, an embodiment of the present application provides an air-to-liquid heat exchange system, which includes a liquid cooling circuit and an air cooling circuit arranged in parallel.

[0005] The liquid cooling circuit includes a first heat exchange branch, a first transducer, and a liquid cooling branch. The first transducer is located between the first heat exchange branch and the liquid cooling branch and is connected to a first heat exchange end of the first heat exchange branch and a first heat exchange end of the liquid cooling branch, respectively. The heat exchange medium in the first heat exchange branch can exchange heat with the heat exchange medium in the liquid cooling branch through the first transducer. The second heat exchange end of the liquid cooling branch is connected to a target for heat exchange, for heat exchange with the target.

[0006] The air-cooling circuit includes a second heat exchange branch, a second transducer, and an air-cooling branch. The second transducer is located between the second heat exchange branch and the air-cooling branch and is connected to the third heat exchange end of the second heat exchange branch and the third heat exchange end of the air-cooling branch, respectively. The heat exchange medium in the second heat exchange branch can exchange heat with the heat exchange medium in the air-cooling branch through the second transducer. The fourth heat exchange end of the air-cooling branch is located at the target to be heat exchanged and is used to exchange heat with the target to be heat exchanged.

[0007] In a possible implementation, the first heat exchange end of the first heat exchange branch includes a first liquid inlet and a first liquid outlet. The third heat exchange end of the second heat exchange branch includes a second liquid inlet and a second liquid outlet.

[0008] The first liquid inlet and the second liquid inlet intersect at a first heat exchange node. The first liquid outlet and the third liquid outlet intersect at a second heat exchange node.

[0009] In one possible implementation, the first transducer includes a first heat exchange liquid inlet and a first heat exchange liquid outlet. The first heat exchange end of the liquid cooling branch includes a third liquid inlet and a third liquid outlet. The first transducer is located between the first heat exchange branch and the liquid cooling branch and is connected to the first heat exchange end of the first heat exchange branch and the first heat exchange end of the liquid cooling branch, respectively, and includes:

[0010] The first heat exchange liquid inlet end of the first transducer is connected to the first liquid inlet and the third liquid inlet respectively.

[0011] The first heat exchange liquid outlet end of the first transducer is connected to the first liquid outlet and the third liquid outlet respectively.

[0012] In a possible implementation, the first heat exchange branch further includes: a first temperature sensor, a second temperature sensor, a first pressure sensor, and a second pressure sensor.

[0013] The first temperature sensor and the first pressure sensor are respectively located in front of the first liquid inlet, and are used to measure the temperature and pressure at the first liquid inlet.

[0014] The second temperature sensor and the second pressure sensor are respectively located behind the first liquid outlet and are used to measure the temperature and pressure at the first liquid outlet.

[0015] In a possible implementation, the first heat exchange branch further includes a first flow control valve, wherein the first flow control valve is arranged in parallel with the first transducer.

[0016] In one possible implementation, the second transducer includes a second heat exchange liquid inlet and a second heat exchange liquid outlet. The third heat exchange end of the air-cooling branch includes a fourth liquid inlet and a fourth liquid outlet. The second transducer is located between the second heat exchange branch and the air-cooling branch and is connected to the third heat exchange end of the second heat exchange branch and the third heat exchange end of the air-cooling branch, respectively, and includes:

[0017] The second heat exchange liquid inlet end of the second transducer is connected to the second liquid inlet and the fourth liquid inlet respectively.

[0018] The second heat exchange liquid outlet end of the second transducer is connected to the second liquid outlet and the fourth liquid outlet respectively.

[0019] In one possible implementation, the second heat exchange end of the liquid cooling branch includes a third heat exchange liquid inlet and a third heat exchange liquid outlet. The target to be heat exchanged is a cold plate server, and the cold plate server is located between the third heat exchange liquid inlet and the third heat exchange liquid outlet for heat exchange with the target to be heat exchanged.

[0020] In a possible implementation, an evaporator is disposed at the target to be heat exchanged, for performing heat exchange with the target to be heat exchanged.

[0021] In a possible implementation, the liquid cooling branch includes an electronic pump located between a first heat exchange end and a second heat exchange end of the liquid cooling branch.

[0022] In one possible implementation, the liquid cooling branch further includes: a third pressure sensor, a fourth pressure sensor, a fifth pressure sensor, a third temperature sensor, and a fourth temperature sensor. The third pressure sensor is located between the first transducer and the electronic pump. The fourth pressure sensor and the third temperature sensor are respectively located between the electronic pump and the first transducer. The fifth pressure sensor and the fourth temperature sensor are respectively located between the first transducer and the second heat exchange end of the liquid cooling branch.

[0023] In a possible implementation, the air-cooling branch includes a compressor, and the compressor is located between the third heat exchange end of the air-cooling branch and the fourth heat exchange end of the air-cooling branch.

[0024] In one possible implementation, the air-cooling branch further includes: an electronic expansion valve, a liquid-sensing tube ball valve, a filter drier, a high-pressure sensor, and a low-pressure sensor. The electronic expansion valve, the liquid-sensing tube ball valve, and the filter drier are located between the second transducer and the fourth heat exchange end of the air-cooling branch. The high-pressure sensor is located between the second transducer and the compressor. The low-pressure sensor is located between the compressor and the fourth heat exchange end of the air-cooling branch.

[0025] In a possible implementation, the air-to-liquid heat exchange system further includes a dry cooler and a water pump, wherein the dry cooler and the water pump are respectively located between the first heat exchange node and the second heat exchange node.

[0026] In a possible implementation, the second heat exchange branch further includes a second flow control valve located between the first heat exchange node and the first heat exchange end. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the specific implementation methods of the present application or the technical solutions in the prior art, the following is a brief introduction to the drawings required for use in the specific implementation methods or the description of the prior art. Obviously, the drawings described below are some implementation methods of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0028] Figure 1 A structural schematic diagram of an air-to-liquid heat exchange system provided in an embodiment of the present application.

[0029] In the figure: 100, air-liquid heat exchange system; 101, liquid cooling circuit; 102, air cooling circuit; 103, dry cooling air; 104, water pump; 1011, first heat exchange branch; 1012, first transducer; 1013, liquid cooling branch; 10111, first temperature sensor; 10112, second temperature sensor; 10113, first pressure sensor; 10113, second pressure sensor; 10115, first flow control valve; 10131, liquid cooling server; 10132, electronic pump; 10 133. Third pressure sensor; 10134. Fourth pressure sensor; 10135. Fifth pressure sensor; 10136. Third temperature sensor; 10137. Fourth temperature sensor; 1021. Second heat exchange branch; 10211. Second flow control valve; 10231. Evaporator; 10232. Compressor; 10233. Electronic expansion valve; 10234. Liquid side pipe ball valve; 10235. Dry filter; 10236. High pressure sensor; 10237. Low pressure sensor. DETAILED DESCRIPTION

[0030] To make the objectives, technical solutions, and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Generally, the components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0031] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for protection, but merely represents selected embodiments of the present application. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments in the present application without making any creative efforts shall fall within the scope of protection of the present application.

[0032] On the one hand, the embodiment of the present application provides an air-to-liquid heat exchange system 100, such as Figure 1 As shown, the system includes: a liquid cooling circuit 101 and an air cooling circuit 102. The liquid cooling circuit 101 and the air cooling circuit 102 are arranged in parallel.

[0033] The liquid cooling circuit 101 includes a first heat exchange branch 1011, a first transducer 1012, and a liquid cooling branch 1013. The first transducer 1012 is located between the first heat exchange branch 1011 and the liquid cooling branch 1013 and is connected to the first heat exchange end of the first heat exchange branch 1011 and the first heat exchange end of the liquid cooling branch, respectively. The heat exchange medium in the first heat exchange branch 1011 can exchange heat with the heat exchange medium in the liquid cooling branch 1013 through the first transducer 1012. The second heat exchange end of the liquid cooling branch 1013 is connected to a target for heat exchange, for heat exchange with the target.

[0034] The air-cooling circuit 102 includes a second heat exchange branch 1021, a second transducer 1022, and an air-cooling branch 1023. The second transducer 1022 is located between the second heat exchange branch 1021 and the air-cooling branch, and is connected to the third heat exchange end of the second heat exchange branch 1021 and the third heat exchange end of the air-cooling branch 1023, respectively. The heat exchange medium in the second heat exchange branch can exchange heat with the heat exchange medium in the air-cooling branch 1023 through the second transducer. The fourth heat exchange end of the air-cooling branch 1023 is located at the target to be heat exchanged and is used to exchange heat with the target to be heat exchanged.

[0035] The heat exchange medium may be water, condensing agent or other heat exchange medium.

[0036] In a possible implementation, the first heat exchange end of the first heat exchange branch 1011 includes a first liquid inlet and a first liquid outlet. The second heat exchange end of the second heat exchange branch includes a second liquid inlet and a second liquid outlet.

[0037] The first liquid inlet and the third liquid inlet intersect at a first heat exchange node. The first liquid outlet and the third liquid outlet intersect at a second heat exchange node.

[0038] In one possible implementation, the first transducer 1012 includes a first heat exchange liquid inlet and a first heat exchange liquid outlet. The first heat exchange end of the liquid cooling branch 1013 includes a third liquid inlet and a third liquid outlet. The first transducer 1012 is located between the first heat exchange branch 1011 and the liquid cooling branch 1013 and is connected to the first heat exchange end of the first heat exchange branch 1011 and the first heat exchange end of the liquid cooling branch 1013, respectively, and includes:

[0039] The first heat exchange liquid inlet end of the first transducer 1012 is connected to the first liquid inlet and the third liquid inlet respectively.

[0040] The first heat exchange liquid outlet end of the first transducer 1012 is connected to the first liquid outlet and the third liquid outlet respectively.

[0041] In a possible implementation, the first heat exchange branch 1011 further includes: a first temperature sensor 10111 , a second temperature sensor 10112 , a first pressure sensor 10113 , and a second pressure sensor 10114 .

[0042] The first temperature sensor 10111 and the first pressure sensor 10113 are respectively located in front of the first liquid inlet and are used to measure the temperature and pressure at the first liquid inlet.

[0043] The second temperature sensor 10112 and the second pressure sensor 10114 are respectively located behind the first liquid outlet and are used to measure the temperature and pressure at the first liquid outlet.

[0044] In one possible implementation, the first heat exchange branch 1011 further includes a first flow control valve 10115. The first flow control valve 10115 is provided in parallel with the first transducer 1012. The first flow control valve 10115 is configured to control the flow rate of the heat exchange medium in the first heat exchange branch 1011 to control the operating state of the liquid cooling circuit.

[0045] In one possible implementation, the second transducer 1022 includes a second heat exchange liquid inlet and a second heat exchange liquid outlet. The third heat exchange end of the air-cooling branch 1023 includes a fourth liquid inlet and a fourth liquid outlet. The second transducer 1022 is located between the second heat exchange branch 1021 and the air-cooling branch 1023 and is connected to the third heat exchange end of the second heat exchange branch 1021 and the third heat exchange end of the air-cooling branch 1023, respectively, and includes:

[0046] The second heat exchange liquid inlet end of the second transducer 10223 is connected to the second liquid inlet and the fourth liquid inlet respectively.

[0047] The second heat exchange liquid outlet end of the second transducer 1022 is connected to the second liquid outlet and the fourth liquid outlet respectively.

[0048] In one possible implementation, the second heat exchange end of liquid cooling branch 1013 includes a third heat exchange liquid inlet and a third heat exchange liquid outlet. The target to be heat exchanged is cold plate server 10131, which is located between the third heat exchange liquid inlet and the third heat exchange liquid outlet for heat exchange with the target.

[0049] In one possible implementation, an evaporator 10231 is deployed at the target to exchange heat, for heat exchange with the target. Evaporator 10231 is used to directly contact heat-generating components (such as a CPU, GPU, etc.), transferring heat from the heat-generating components to the radiator through heat conduction. The airflow generated by the fan of evaporator 10231 then removes the heat from the radiator surface, maintaining the temperature of the radiator and the heat-generating components at a lower operating temperature.

[0050] In one possible implementation, the liquid cooling branch includes an electronic pump 10132. Electronic pump 10132 is located between the first heat exchange end of liquid cooling branch 1013 and the second heat exchange end of liquid cooling branch 1013. Electronic pump 10132 is used to push the heat exchange medium to flow in the liquid cooling circuit at a certain speed.

[0051] In one possible implementation, the liquid cooling branch 1013 further includes: a third pressure sensor 10133, a fourth pressure sensor 10134, a fifth pressure sensor 10135, a third temperature sensor 10136, and a fourth temperature sensor 10137. The third pressure sensor 10133 is located between the first transducer 1012 and the electronic pump 10132. The fourth pressure sensor 10134 and the third temperature sensor 10136 are located between the electronic pump 10132 and the first transducer 1012, respectively. The fifth pressure sensor 10135 and the fourth temperature sensor 10137 are located between the first transducer 1012 and the second heat exchange end of the liquid cooling branch 1013, respectively. The third pressure sensor 10133, the fourth pressure sensor 10134, and the fifth pressure sensor 10135 are used to measure the pressure value at various locations in the liquid cooling branch 1013. The third temperature sensor 10136 and the fourth temperature sensor 10137 are used to measure the temperature value at various locations in the liquid cooling branch 1013.

[0052] In one possible implementation, the air-cooling branch 1023 includes a compressor 10232. The compressor 10232 is located between the third heat exchange end of the air-cooling branch 1023 and the fourth heat exchange end of the air-cooling branch 1023. The compressor 10232 is used to compress the gas in the air-cooling branch 1023 into liquid.

[0053] In one possible implementation, the air-cooling branch 1023 further includes an electronic expansion valve 10233, a liquid-sounding ball valve 10234, a filter drier 10235, a high-pressure sensor 10236, and a low-pressure sensor 10237. The electronic expansion valve 10233, the liquid-sounding ball valve 10234, and the filter drier 10235 are located between the second transducer 1022 and the fourth heat exchange end of the air-cooling branch 1023. The high-pressure sensor 10236 is located between the second transducer 1022 and the compressor 10232. The low-pressure sensor 10237 is located between the compressor 10232 and the fourth heat exchange end of the air-cooling branch 1023. The electronic expansion valve 10233 and the liquid-sounding ball valve 10234 are used to control the flow rate of the working medium in the air-cooling branch 1023. The filter drier 10235 is used to remove moisture, impurities, and other contaminants from the heat exchange medium. The high-pressure sensor 10236 and the low-pressure sensor 10237 are used to measure the pressure values ​​at both ends of the compressor.

[0054] In a possible implementation, the air-to-liquid heat exchange system further includes: a dry cooler 103 and a water pump 104. The dry cooler 103 and the water pump 104 are respectively located between the first heat exchange node and the second heat exchange node.

[0055] In one possible implementation, the second heat exchange branch further includes a second flow control valve 10211. Second flow control valve 10211 is located between the first heat exchange node and the first heat exchange end. Second flow control valve 10211 is used to adjust the flow rate of the heat exchange medium in air cooling circuit 102 to control the operating state of air cooling circuit 102.

[0056] The air-liquid heat exchange system provided in the embodiment of the present application can improve efficient and reliable cooling in various scenarios through the resulting air cooling system and liquid cooling system, while maximizing the low-carbon energy saving of natural cooling and improving energy saving efficiency.

[0057] The above content is only a specific embodiment of this application, but the scope of protection of this application is not limited to this. Any changes or replacements within the technical scope disclosed in this application should be included in the scope of protection of this application. Therefore, the scope of protection of this application should be based on the scope of protection of the claims.

Claims

1. An air-to-liquid heat exchange system, characterized in that: The air-to-liquid heat exchange system includes a liquid cooling circuit and an air cooling circuit arranged in parallel; The liquid cooling circuit includes a first heat exchange branch, a first transducer, and a liquid cooling branch; the first transducer is located between the first heat exchange branch and the liquid cooling branch, and is connected to the first heat exchange end of the first heat exchange branch and the first heat exchange end of the liquid cooling branch respectively; the heat exchange medium in the first heat exchange branch can perform heat exchange with the heat exchange medium in the liquid cooling branch through the first transducer; the second heat exchange end of the liquid cooling branch is connected to a target to be heat exchanged, for performing heat exchange with the target to be heat exchanged; The air-cooling circuit includes a second heat exchange branch, a second transducer and an air-cooling branch; the second transducer is located between the second heat exchange branch and the air-cooling branch, and is respectively connected to the third heat exchange end of the second heat exchange branch and the third heat exchange end of the air-cooling branch. The heat exchange medium in the second heat exchange branch can perform heat exchange with the heat exchange medium in the air-cooling branch through the second transducer. The fourth heat exchange end of the air-cooling branch is located at the target to be heat exchanged, and is used for performing heat exchange with the target to be heat exchanged.

2. The system according to claim 1, wherein: The first heat exchange end of the first heat exchange branch includes: a first liquid inlet and a first liquid outlet; the third heat exchange end of the second heat exchange branch includes: a second liquid inlet and a second liquid outlet; The first liquid inlet and the second liquid inlet intersect at a first heat exchange node; the first liquid outlet and the second liquid outlet intersect at a second heat exchange node.

3. The system according to claim 2, characterized in that The first transducer includes a first heat exchange liquid inlet and a first heat exchange liquid outlet; the first heat exchange end of the liquid cooling branch includes a third liquid inlet and a third liquid outlet; the first transducer is located between the first heat exchange branch and the liquid cooling branch, and is respectively connected to the first heat exchange end of the first heat exchange branch and the first heat exchange end of the liquid cooling branch, including: The first heat exchange liquid inlet end of the first transducer is connected to the first liquid inlet and the third liquid inlet respectively; The first heat exchange liquid outlet end of the first transducer is connected to the first liquid outlet and the third liquid outlet respectively.

4. The system according to claim 3, characterized in that The first heat exchange branch further includes: a first temperature sensor, a second temperature sensor, a first pressure sensor and a second pressure sensor; The first temperature sensor and the first pressure sensor are respectively located in front of the first liquid inlet, and are used to measure the temperature and pressure at the first liquid inlet; The second temperature sensor and the second pressure sensor are respectively located behind the first liquid outlet and are used to measure the temperature and pressure at the first liquid outlet.

5. The system according to claim 3, wherein: The first heat exchange branch further includes: a first flow control valve; the first flow control valve is arranged in parallel with the first transducer.

6. The system according to claim 2, wherein: The second transducer includes a second heat exchange liquid inlet and a second heat exchange liquid outlet; the third heat exchange end of the air-cooling branch includes a fourth liquid inlet and a fourth liquid outlet; the second transducer is located between the second heat exchange branch and the air-cooling branch, and is respectively connected to the third heat exchange end of the second heat exchange branch and the third heat exchange end of the air-cooling branch, including: The second heat exchange liquid inlet end of the second transducer is connected to the second liquid inlet and the fourth liquid inlet respectively; The second heat exchange liquid outlet end of the second transducer is connected to the second liquid outlet and the fourth liquid outlet respectively.

7. The system according to claim 1, wherein: The second heat exchange end of the liquid cooling branch includes a third heat exchange liquid inlet end and a third heat exchange liquid outlet end; the target to be heat exchanged is a cold plate server, and the cold plate server is located between the third heat exchange liquid inlet end and the third heat exchange liquid outlet end, and is used for heat exchange with the target to be heat exchanged.

8. The system according to claim 1, wherein: An evaporator is disposed at the target to be heat exchanged, for performing heat exchange with the target to be heat exchanged.

9. The system according to claim 1, wherein: The liquid cooling branch includes an electronic pump; the electronic pump is located between the first heat exchange end of the liquid cooling branch and the second heat exchange end of the liquid cooling branch.

10. The system according to claim 9, characterized in that The liquid cooling branch also includes: a third pressure sensor, a fourth pressure sensor, a fifth pressure sensor, a third temperature sensor and a fourth temperature sensor; the third pressure sensor is located between the first transducer and the electronic pump; the fourth pressure sensor and the third temperature sensor are respectively located between the electronic pump and the first transducer; the fifth pressure sensor and the fourth temperature sensor are respectively located between the first transducer and the second heat exchange end of the liquid cooling branch.

11. The system according to claim 1, wherein: The air-cooling branch includes a compressor; the compressor is located between the third heat exchange end of the air-cooling branch and the fourth heat exchange end of the air-cooling branch.

12. The system according to claim 11, wherein: The air-cooling branch also includes: an electronic expansion valve, a liquid-testing tube ball valve, a drying filter, a high-pressure sensor and a low-pressure sensor; the electronic expansion valve, the liquid-testing tube ball valve and the drying filter are located between the second transducer and the fourth heat exchange end of the air-cooling branch; the high-pressure sensor is located between the second transducer and the compressor; the low-pressure sensor is located between the compressor and the fourth heat exchange end of the air-cooling branch.

13. The system according to claim 2, wherein: The air-to-liquid heat exchange system further includes: a dry cooler and a water pump; the dry cooler and the water pump are respectively located between the first heat exchange node and the second heat exchange node.

14. The system according to claim 2, wherein: The second heat exchange branch further includes: a second flow control valve; the second flow control valve is located between the first heat exchange node and the first heat exchange end.

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