CN210165500U - Compound air conditioning system for data center - Google Patents
Compound air conditioning system for data center Download PDFInfo
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- CN210165500U CN210165500U CN201920863136.3U CN201920863136U CN210165500U CN 210165500 U CN210165500 U CN 210165500U CN 201920863136 U CN201920863136 U CN 201920863136U CN 210165500 U CN210165500 U CN 210165500U
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Abstract
The utility model discloses a data center is with compound air conditioning system, including indoor, outdoor module. The outdoor module comprises a compressor, a condenser, a throttling device, a gas separation liquid storage device, a refrigerant pump, a bypass valve and a bypass valve. The indoor module includes a flow device and a terminal evaporator. The inlet of the throttling device is connected with the outlet of the condenser, and a small part of refrigerant is bypassed at the inlet of the throttling device and is directly conveyed to a motor cooling port of the compressor; the return air port of the air separation liquid storage device is connected with the return air port of the compressor, and the liquid inlet of the air separation liquid storage device is connected with the outlet of the throttling device; the inlet of the refrigerant pump is connected with the liquid supply port of the air distribution liquid storage device; the inlet and outlet of the bypass valve are connected with the exhaust and return ports of the compressor respectively; the inlet and outlet of the bypass valve are respectively connected with the inlet and outlet of the refrigerant pump. The inlet and outlet of the flow device are respectively connected with the outlet of the refrigerant pump and the inlet of the terminal evaporator. The utility model discloses an air conditioning system can effectively utilize the cold source and can reduce the operation energy consumption.
Description
Technical Field
The utility model relates to a data center is with compound air conditioning system.
Background
Human beings have entered the big data era, and along with a series of information engineering proposals and advances such as "internet +", "big data application" in "thirteen five" plans, the scale and the quantity of data center obtain rapid development to become the power consumption consumer of information society. In order to ensure efficient and reliable operation of the data center, heat generated by the servers of the data center during operation needs to be rapidly exhausted. According to statistics, the electricity consumption of the modern social data center accounts for 5% of the total electricity of the whole society. IDC industry research reports have shown that by 2016, data centers scale to 714.5 billion dollars. The 2016 year electricity consumption of the Chinese data center exceeds 1200 hundred million kilowatt hours, which is equivalent to the annual electricity generation of the three gorges hydropower station. For enterprises, the electricity consumption cost of the data center is a large expenditure, and the profit of the enterprises is greatly eroded. According to statistics, the energy consumption of the air conditioners of the machine room and the base station accounts for 40% -50% of the total energy consumption. The enclosure structure of the data center is closed, the sensible heat load is large, the wet load is small, when the indoor temperature of the data center is higher than the outdoor temperature in spring and autumn transition seasons or even winter, the traditional air conditioning system still operates in a compression refrigeration mode to provide refrigeration capacity for the interior of a machine room, the energy consumption is large, and the problems of low-temperature starting of a compressor, poor lubrication effect, energy regulation and the like exist. In order to reduce the energy consumption of the data center and reasonably configure social resources, a refrigeration system of the data center needs to be optimized, wherein a natural cold source is a preferred mode for solving the problem of high energy consumption of a data center machine room at present, and the natural cold source is renewable energy. The utilization of outdoor natural cold sources has been the focus of researchers and engineers in the industry, and engineering research is being conducted in different forms, such as fresh air systems, gas-gas heat exchange systems, and gas-water heat exchange systems. In addition, composite air conditioners comprising various heat pipes, such as gravity-type separated heat pipes, liquid pump-powered separated heat pipes, and air pump-powered separated heat pipes, have been proposed and used. However, most of the above solutions are limited to be used in small data center rooms, and are not well used in large data centers.
The invention patent application zl201510350859.x proposes a three-mode composite water chilling unit, which has a refrigeration mode, an air pump mode and a gravity heat pipe mode, but the performance of the scheme is enhanced in the refrigeration mode, and the scheme is suitable for occasions with long conveying distance, so that certain defects exist.
The invention patent application ZL201710180390.9 provides a refrigeration and fluorine pump driven natural cooling air-cooled water chilling unit which has only two working modes and has certain defects in the aspects of natural cold source utilization and refrigeration performance improvement.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect and provide a compound air conditioning system for data center, it can effectively utilize round the clock, transition season and winter outdoor natural cold source, reduces the operation energy consumption by a wide margin, has excellent energy saving and emission reduction effect.
Realize the utility model discloses a technical scheme of purpose is: a composite air conditioning system for a data center comprises an outdoor module and an indoor module; the outdoor module comprises a compressor, a condenser and a refrigerant pump; the indoor module comprises a flow device and a tail end evaporator; the compressor is composed of one compressor or a plurality of compressors connected in parallel, and each compressor is provided with an exhaust port, a return air port and a cooling motor port; the inlet of the condenser is connected with the exhaust port of the compressor; the outlet of the refrigerant pump is connected with the inlet of the flow device; the outlet of the flow device is connected with the inlet of the tail end evaporator; the outdoor module also comprises a throttling device, a gas distribution reservoir, a bypass valve and a bypass valve; wherein the content of the first and second substances,
the inlet of the throttling device is connected with the outlet of the condenser, and a small part of refrigerant is bypassed at the inlet of the throttling device and is directly conveyed to a motor cooling port of the compressor;
the return air port of the air distribution liquid storage device is connected with the return air port of the compressor, the liquid inlet of the air distribution liquid storage device is connected with the outlet of the throttling device, the liquid supply port of the air distribution liquid storage device is connected with the inlet of the refrigerant pump, and the air inlet of the air distribution liquid storage device is connected with the outlet of the tail end evaporator;
the inlet and the outlet of the bypass valve are respectively connected with the exhaust port and the return port of the compressor;
the inlet and outlet of the bypass valve are connected to the outlet and inlet of the refrigerant pump, respectively.
In the above-mentioned composite air conditioning system for a data center, the throttling device and the flow device are both single electronic expansion valves, or two electronic expansion valves are connected in parallel, or an electronic expansion valve is connected in parallel with an electromagnetic valve, or an electric flow regulating valve is connected in parallel with an electronic expansion valve.
The composite air conditioning system for the data center is characterized in that the condenser is an air-cooled condenser, a water-cooled condenser or an evaporative condenser.
The composite air conditioning system for the data center is characterized in that the outdoor module further comprises a drying filter and a liquid sight glass which are connected between the condenser and the throttling device.
Realize the utility model discloses another kind of technical scheme of purpose is: a composite air conditioning system for a data center comprises an outdoor module and an indoor module; the outdoor module comprises a compressor, a condenser and a refrigerant pump; the indoor module comprises a flow device and a tail end evaporator; the compressor is composed of one compressor or a plurality of compressors connected in parallel, and each compressor is provided with an exhaust port, a return air port, an air injection port and a cooling motor port; the inlet of the condenser is connected with the exhaust port of the compressor; the outlet of the refrigerant pump is connected with the inlet of the flow device; the outlet of the flow device is connected with the inlet of the tail end evaporator; the outdoor module also comprises an economizer, an auxiliary path throttling device, a main path throttling device, a gas distribution liquid storage device, a bypass valve and a bypass valve; wherein the content of the first and second substances,
the main path inlet of the economizer is connected with the liquid outlet of the condenser, and the auxiliary path outlet of the economizer is connected with the gas nozzle of the compressor;
two ends of the auxiliary road throttling device are respectively connected with an auxiliary road inlet and a main road inlet of the economizer;
the inlet of the main path throttling device is connected with the main path outlet of the economizer, and a small part of refrigerant is bypassed at the inlet of the main path throttling device and is directly conveyed to the motor cooling port of the compressor;
the return air port of the air distribution liquid storage device is connected with the return air port of the compressor, the liquid inlet of the air distribution liquid storage device is connected with the outlet of the main path throttling device, the liquid supply port of the air distribution liquid storage device is connected with the inlet of the refrigerant pump, and the air inlet of the air distribution liquid storage device is connected with the outlet of the tail end evaporator;
the inlet and the outlet of the bypass valve are respectively connected with the exhaust port and the return port of the compressor;
the inlet and outlet of the bypass valve are connected to the outlet and inlet of the refrigerant pump, respectively.
In the above composite air conditioning system for a data center, the throttling device and the flow device are both single electronic expansion valves, or two electronic expansion valves are connected in parallel, or an electronic expansion valve is connected in parallel with an electromagnetic valve, or an electric flow regulating valve is connected in parallel with an electronic expansion valve; the auxiliary path throttling device is a single electronic expansion valve.
The composite air conditioning system for the data center is characterized in that the condenser is an air-cooled condenser, a water-cooled condenser or an evaporative condenser.
The composite air conditioning system for the data center is characterized in that the outdoor module further comprises a drying filter and a liquid sight glass which are connected between the condenser and the throttling device.
The utility model discloses a compound air conditioning system for data center has following characteristics, can be according to outdoor temperature and indoor load size, the adjustment system running state, makes air conditioning system switch over respectively into refrigeration cycle mode, liquid pump heat pipe mode or gravity heat pipe cycle mode, has reduced current air conditioning system's unit cost, has simplified system architecture, has reduced the maintenance degree of difficulty; meanwhile, outdoor natural cold sources in day and night, transition seasons and winter can be effectively utilized, the operation energy consumption is greatly reduced, and the energy-saving and emission-reducing effects are excellent.
Drawings
Fig. 1 is a schematic structural diagram of a first hybrid air conditioning system for a data center according to the present invention;
fig. 2 is a schematic structural diagram of the air conditioning system of the present invention in a refrigeration cycle mode;
FIG. 3 is a schematic diagram of the air conditioning system according to the present invention in the liquid pump heat pipe circulation mode;
FIG. 4 is a schematic diagram of the air conditioning system of the present invention in a gravity assisted heat pipe circulation mode;
fig. 5 is a schematic structural diagram of a second hybrid air conditioning system for a data center according to the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Referring to fig. 1 to 4, a first data center composite air conditioning system of the present invention includes an outdoor module and an indoor module; the outdoor module comprises a compressor 1, a condenser 2, a throttling device 3, a gas separation liquid storage device 7, a refrigerant pump 4, a bypass valve 8 and a bypass valve 9; wherein the content of the first and second substances,
the compressor 1 is composed of one compressor or a plurality of compressors connected in parallel; each compressor is a magnetic suspension compressor, an air suspension compressor or a centrifugal compressor with an exhaust port, an air return port and a cooling motor port;
the inlet of the condenser 2 is connected with the exhaust port of the compressor 1; the condenser 2 is an air-cooled condenser, a water-cooled condenser or an evaporative condenser;
the inlet of the throttling device 3 is connected with the outlet of the condenser 2, and a small part of refrigerant is bypassed at the inlet of the throttling device 3 and is directly conveyed to the motor cooling port of the compressor 1; the throttling device 3 is a single electronic expansion valve, or two electronic expansion valves are connected in parallel, or the electronic expansion valve is connected with an electromagnetic valve in parallel, or an electric flow regulating valve is connected with the electronic expansion valve in parallel, and has the function of regulating the flow in a wide range;
the return air port of the air separation liquid storage device 7 is connected with the return air port of the compressor 1, and the liquid inlet of the air separation liquid storage device 7 is connected with the outlet of the throttling device 3;
the inlet of the refrigerant pump 4 is connected with the liquid supply port of the air separation liquid storage device 7;
the inlet and outlet of the bypass valve 8 are connected to the exhaust port and return port of the compressor 1, respectively;
the inlet and outlet of the bypass valve 9 are connected to the outlet and inlet of the refrigerant pump 4, respectively.
The outdoor module also comprises a dry filter and a sight glass (not shown) connected between the condenser 2 and the throttling device 3;
the indoor module comprises a flow device 5 and a tail end evaporator 6; wherein the content of the first and second substances,
the inlet of the flow device 5 is connected with the outlet of the refrigerant pump 4; the flow device 5 has the function of adjusting the flow in a wide range and is a single electronic expansion valve, or two electronic expansion valves are connected in parallel, or the electronic expansion valve is connected with an electromagnetic valve in parallel, or an electric flow adjusting valve is connected with the electronic expansion valve in parallel;
the inlet of the end evaporator 6 is connected to the outlet of the flow device 5, and the outlet of the end evaporator 6 is connected to the air inlet of the air separation reservoir 7.
When the installation position of the condenser 2 and the installation position of the end evaporator 6 have a sufficient height difference (more than 1 meter), the refrigerant pump 4 and the bypass valve 9 can be eliminated.
The utility model discloses a compound air conditioning system for data center, to different outdoor temperature or indoor load, the corresponding operation is in refrigeration cycle mode, liquid pump heat pipe circulation mode or gravity heat pipe circulation mode;
when the outdoor natural cold source is insufficient, the composite air conditioning system for the data center of the utility model operates in a refrigeration cycle mode, including a conventional refrigeration mode with a high compression ratio and an air pump refrigeration mode with a low pressure ratio, and at the moment, the bypass valve 9 is closed, and the bypass valve 8 is closed; a circulating loop is formed by the compressor 1, the condenser 2, the throttling device 3, the air separation liquid storage device 7, the refrigerant pump 4, the flow device 5 and the tail end evaporator 6, and a part of refrigerant is bypassed at the inlet of the throttling device 3 and is directly conveyed to a motor cooling port of the compressor 1 for cooling the motor of the compressor; refrigeration is realized by directly evaporating a refrigeration working medium in the tail end evaporator 6, the working medium evaporates and absorbs heat in the tail end evaporator 6, and after refrigeration is finished and the working medium leaves the tail end evaporator 6, the working medium is changed into a gaseous refrigerant which enters a gas-liquid separation reservoir 7 for gas-liquid separation, wherein the liquid refrigerant is stored at the lower part of the gas-separating liquid storage 7, the gas refrigerant enters the compressor 1 for compression, then the refrigerant is discharged by the compressor 1 and enters the condenser 2 to be cooled into liquid working medium, the liquid working medium is throttled by the throttling device 3 to become a refrigerant in a gas-liquid two-phase state and enters the gas-separating liquid storage device 7, the liquid refrigerant is stored at the lower part of the gas-separating liquid storage device 7, the gaseous working medium is sucked by the compressor 1 again, the liquid working medium enters the flow device 5 under the action of the refrigerant pump 4 and enters the tail end evaporator 6 again for evaporation and heat absorption, the refrigeration purpose is realized, and the circulation is formed. In addition, a small part of refrigerant is bypassed from the inlet of the throttling device 3 and is conveyed to the motor cooling port of the compressor 1, so that the compressor is cooled (see fig. 2).
When can utilize outdoor sufficient natural cold source, the utility model discloses a data center is with compound air conditioning system operates in liquid pump heat pipe circulation mode, closes bypass valve 9 this moment, and bypass valve 8 is opened. A circulation loop is formed by a bypass valve 8, a condenser 2, a throttling device 3, a gas separation liquid storage device 7, a refrigerant pump 4, a flow device 5 and a tail end evaporator 6; working medium evaporates and absorbs heat in the tail end evaporator 6, enters the gas-liquid separator 7 after leaving the tail end evaporator 6 after refrigeration is completed, gaseous refrigerant directly enters the condenser 2 through the opened bypass valve 8, and the outdoor natural cold source is enough, so the refrigerant does not need to be pressurized by the compressor 1 and then enters the condenser 2 for condensation, the gaseous refrigerant directly enters the condenser 2 to be condensed into liquid refrigerant and then enters the gas-liquid separator 7 again, passes through the throttling device 5 again under the action of the refrigerant pump 4 and then enters the tail end evaporator 6 for evaporation and heat absorption, and the refrigeration purpose is realized, thus a cycle is formed (see fig. 3).
When can utilizing outdoor sufficient natural cold source to when condenser 2's mounted position and terminal evaporimeter 6's mounted position had sufficient difference in height (being greater than 1 meter), the utility model discloses a compound air conditioning system for data center can also operate in gravity heat pipe circulation mode, opens bypass valve 9 this moment, and bypass valve 8 is opened. The bypass valve 8, the condenser 2, the throttle device 3, the air separation accumulator 7, the bypass valve 9, the flow device 5, and the end evaporator 6 constitute a circulation circuit. Working medium evaporates and absorbs heat in the tail end evaporator 6, enters the gas-liquid separator 7 after leaving the tail end evaporator 6 after refrigeration is completed, gaseous refrigerant directly enters the condenser 2 through the opened bypass valve 8, and the outdoor natural cold source is enough, so the refrigerant does not need to be pressurized by the compressor 1 and then enters the condenser 2 for condensation, the gaseous refrigerant directly enters the condenser 2 to be condensed into liquid refrigerant and then enters the gas-liquid separator 7 again, and the liquid refrigerant passes through the throttling device 5 again under the action of gravity and then enters the tail end evaporator 6 for evaporation and heat absorption, so the refrigeration purpose is realized, and the circulation is formed (see fig. 4).
Referring to fig. 5, a second composite air conditioning system for a data center of the present invention includes an outdoor module and an indoor module; the outdoor module comprises a compressor 1, a condenser 2, an economizer 11, an auxiliary path throttling device 10, a main path throttling device 3, a gas distribution accumulator 7, a refrigerant pump 4, a bypass valve 8 and a bypass valve 9; wherein the content of the first and second substances,
the compressor 1 is composed of one compressor or a plurality of compressors connected in parallel; each compressor is a magnetic suspension compressor, an air suspension compressor or a centrifugal compressor which is provided with an exhaust port, an air return port, an air jet and a cooling motor port;
the inlet of the condenser 2 is connected with the exhaust port of the compressor 1; the condenser 2 is an air-cooled condenser, a water-cooled condenser or an evaporative condenser;
a main path inlet of the economizer 11 is connected with a liquid outlet of the condenser 2, and a subsidiary path outlet of the economizer 11 is connected with a gas nozzle of the compressor 1;
two ends of the auxiliary road throttling device 10 are respectively connected with an auxiliary road inlet and a main road inlet of the economizer 11;
an inlet of the main path throttling device 3 is connected with a main path outlet of the economizer 11, and a small part of refrigerant is bypassed at the inlet of the main path throttling device 3 and is directly conveyed to a motor cooling port of the compressor 1; the main path throttling device 3 is a single electronic expansion valve, or two electronic expansion valves are connected in parallel, or the electronic expansion valve is connected with an electromagnetic valve in parallel, or an electric flow regulating valve is connected with the electronic expansion valve in parallel, and has the function of regulating flow in a wide range;
the return air port of the air distribution liquid storage device 7 is connected with the return air port of the compressor 1, and the liquid inlet of the air distribution liquid storage device 7 is connected with the outlet of the main path throttling device 3;
the inlet of the refrigerant pump 4 is connected with the liquid supply port of the air separation liquid storage device 7;
the inlet and outlet of the bypass valve 8 are connected to the exhaust port and return port of the compressor 1, respectively;
the inlet and outlet of the bypass valve 9 are connected to the outlet and inlet of the refrigerant pump 4, respectively.
The outdoor module also comprises a dry filter and a sight glass (not shown) connected between the condenser 2 and the economizer 7;
the indoor module comprises a flow device 5 and a tail end evaporator 6; wherein the content of the first and second substances,
the inlet of the flow device 5 is connected with the outlet of the refrigerant pump 4; the flow device 5 has the function of adjusting the flow in a wide range and is a single electronic expansion valve, or two electronic expansion valves are connected in parallel, or the electronic expansion valve is connected with an electromagnetic valve in parallel, or an electric flow adjusting valve is connected with the electronic expansion valve in parallel;
the inlet of the end evaporator 6 is connected to the outlet of the flow device 5, and the outlet of the end evaporator 6 is connected to the air inlet of the air separation reservoir 7.
The utility model discloses a second data center is with compound air conditioning system compares first data center and has increased the enhanced vapor injection mode with compound air conditioning system, improves the refrigerating output through the enhanced vapor injection mode under the refrigeration mode.
In the refrigeration cycle mode of operation, the bypass valve 9 is closed and the bypass valve 8 is closed; a circulation loop is formed by the compressor 1, the condenser 2, a main path of the economizer 11, a main path throttling device 3, a gas-separating liquid storage device 7, a refrigerant pump 4, a flow device 5 and a tail end evaporator 6, an air injection loop is formed by an auxiliary path throttling device 10, an auxiliary path of the economizer 11 and an air injection port of the compressor 1, and a part of refrigerant by-passing at an inlet of the main path throttling device 3 is directly conveyed to a motor cooling port of the compressor 1 to carry out compressor motor cooling. The refrigeration is realized by directly evaporating a refrigeration working medium in the tail end evaporator 6, the working medium evaporates and absorbs heat in the tail end evaporator 6, the working medium is changed into a gaseous refrigerant which enters the gas-liquid separation liquid storage device 7 for gas-liquid separation after the refrigeration is finished and leaves the tail end evaporator 6, the gaseous refrigerant enters the compressor 1 for compression and then is discharged by the compressor 1 and enters the condenser 2 to be cooled into a liquid working medium, the liquid working medium is divided into two paths, the main path working medium enters the main path throttling device 4 for throttling and pressure reduction after passing through a main path of the economizer 11, the gaseous working medium is changed into a gas-liquid two-phase state refrigerant which enters the gas-liquid separation liquid storage device 7, the gaseous working medium is sucked by the compressor 1 again, the liquid working medium enters the flow device 5 under the action of the refrigerant pump 4. The auxiliary path working medium achieves the purpose of supercooling the main path working medium through the auxiliary path of the economizer 11, increases the refrigerating capacity, and changes the auxiliary path working medium into a medium-pressure gaseous working medium to enter the air jet port of the compressor 1, thereby achieving the purpose of increasing the enthalpy by air jet; in addition, a small part of refrigerant is bypassed from the inlet of the main path throttling device 4 and is conveyed to the motor cooling port of the compressor 1, so that the compressor is cooled.
The above embodiments are provided only for the purpose of illustration, not for the limitation of the present invention, and those skilled in the relevant art can make various changes or modifications without departing from the spirit and scope of the present invention, therefore, all equivalent technical solutions should also belong to the scope of the present invention, and should be defined by the claims.
Claims (8)
1. A composite air conditioning system for a data center comprises an outdoor module and an indoor module; the outdoor module comprises a compressor, a condenser and a refrigerant pump; the indoor module comprises a flow device and a tail end evaporator; the compressor is composed of one compressor or a plurality of compressors connected in parallel, and each compressor is provided with an exhaust port, a return air port and a cooling motor port; the inlet of the condenser is connected with the exhaust port of the compressor; the outlet of the refrigerant pump is connected with the inlet of the flow device; the outlet of the flow device is connected with the inlet of the tail end evaporator; the outdoor module is characterized by further comprising a throttling device, a gas distribution liquid storage device, a bypass valve and a bypass valve;
the inlet of the throttling device is connected with the outlet of the condenser, and a small part of refrigerant is bypassed at the inlet of the throttling device and is directly conveyed to a motor cooling port of the compressor;
the return air port of the air distribution liquid storage device is connected with the return air port of the compressor, the liquid inlet of the air distribution liquid storage device is connected with the outlet of the throttling device, the liquid supply port of the air distribution liquid storage device is connected with the inlet of the refrigerant pump, and the air inlet of the air distribution liquid storage device is connected with the outlet of the tail end evaporator;
the inlet and the outlet of the bypass valve are respectively connected with the exhaust port and the return port of the compressor;
the inlet and outlet of the bypass valve are connected to the outlet and inlet of the refrigerant pump, respectively.
2. A hybrid air conditioning system for data centers as claimed in claim 1, wherein the throttling means and the flow means are both a single electronic expansion valve, or two electronic expansion valves are connected in parallel, or an electronic expansion valve is connected in parallel with a solenoid valve, or an electric flow regulating valve is connected in parallel with an electronic expansion valve.
3. A hybrid air conditioning system for a data center according to claim 1, wherein the condenser is an air-cooled condenser, a water-cooled condenser, or an evaporative condenser.
4. A hybrid air conditioning system for a data center as defined in claim 1, wherein the outdoor module further comprises a dry filter and a sight glass connected between the condenser and a throttling device.
5. A composite air conditioning system for a data center comprises an outdoor module and an indoor module; the outdoor module comprises a compressor, a condenser and a refrigerant pump; the indoor module comprises a flow device and a tail end evaporator; the compressor is composed of one compressor or a plurality of compressors connected in parallel, and each compressor is provided with an exhaust port, a return air port, an air injection port and a cooling motor port; the inlet of the condenser is connected with the exhaust port of the compressor; the outlet of the refrigerant pump is connected with the inlet of the flow device; the outlet of the flow device is connected with the inlet of the tail end evaporator; the outdoor module is characterized by further comprising an economizer, an auxiliary path throttling device, a main path throttling device, a gas distribution liquid storage device, a bypass valve and a bypass valve;
the main path inlet of the economizer is connected with the liquid outlet of the condenser, and the auxiliary path outlet of the economizer is connected with the gas nozzle of the compressor;
two ends of the auxiliary road throttling device are respectively connected with an auxiliary road inlet and a main road inlet of the economizer;
the inlet of the main path throttling device is connected with the main path outlet of the economizer, and a small part of refrigerant is bypassed at the inlet of the main path throttling device and is directly conveyed to the motor cooling port of the compressor;
the return air port of the air distribution liquid storage device is connected with the return air port of the compressor, the liquid inlet of the air distribution liquid storage device is connected with the outlet of the main path throttling device, the liquid supply port of the air distribution liquid storage device is connected with the inlet of the refrigerant pump, and the air inlet of the air distribution liquid storage device is connected with the outlet of the tail end evaporator;
the inlet and the outlet of the bypass valve are respectively connected with the exhaust port and the return port of the compressor;
the inlet and outlet of the bypass valve are connected to the outlet and inlet of the refrigerant pump, respectively.
6. The hybrid air conditioning system for data centers according to claim 5, wherein the main path throttling means and the flow means are both a single electronic expansion valve, or two electronic expansion valves are connected in parallel, or an electronic expansion valve is connected in parallel with a solenoid valve, or an electric flow regulating valve is connected in parallel with an electronic expansion valve; the auxiliary path throttling device is a single electronic expansion valve.
7. The hybrid air conditioning system for data centers as claimed in claim 5, wherein the condenser is an air-cooled condenser, a water-cooled condenser or an evaporative condenser.
8. A hybrid air conditioning system for a data center as defined in claim 5, wherein the outdoor module further comprises a dry filter and a sight glass connected between the condenser and the economizer.
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| CN201920863136.3U CN210165500U (en) | 2019-06-10 | 2019-06-10 | Compound air conditioning system for data center |
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| CN201920863136.3U CN210165500U (en) | 2019-06-10 | 2019-06-10 | Compound air conditioning system for data center |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110094818A (en) * | 2019-06-10 | 2019-08-06 | 克莱门特捷联制冷设备(上海)有限公司 | A kind of data center's compound air-conditioning system and its control method |
| CN111780443A (en) * | 2020-07-06 | 2020-10-16 | 珠海格力电器股份有限公司 | Air supply system and method for air suspension bearing and centrifugal water chilling unit |
| WO2022160339A1 (en) * | 2021-01-27 | 2022-08-04 | 苏州必信空调有限公司 | Two-phase flow air conditioning system with free cooling function |
-
2019
- 2019-06-10 CN CN201920863136.3U patent/CN210165500U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110094818A (en) * | 2019-06-10 | 2019-08-06 | 克莱门特捷联制冷设备(上海)有限公司 | A kind of data center's compound air-conditioning system and its control method |
| CN111780443A (en) * | 2020-07-06 | 2020-10-16 | 珠海格力电器股份有限公司 | Air supply system and method for air suspension bearing and centrifugal water chilling unit |
| CN111780443B (en) * | 2020-07-06 | 2024-04-02 | 珠海格力电器股份有限公司 | Air suspension bearing air supply system, air supply method and centrifugal water chilling unit |
| WO2022160339A1 (en) * | 2021-01-27 | 2022-08-04 | 苏州必信空调有限公司 | Two-phase flow air conditioning system with free cooling function |
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