CN210808051U - Data center cooling system combining indirect evaporative cooling and gravity heat pipe - Google Patents
Data center cooling system combining indirect evaporative cooling and gravity heat pipe Download PDFInfo
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- CN210808051U CN210808051U CN201921699496.0U CN201921699496U CN210808051U CN 210808051 U CN210808051 U CN 210808051U CN 201921699496 U CN201921699496 U CN 201921699496U CN 210808051 U CN210808051 U CN 210808051U
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Abstract
The utility model provides a data center cooling system combining indirect evaporative cooling and gravity assisted heat pipe, a plurality of groups of cabinets are arranged in a machine room, the side surface of the machine room is an air conditioning room, a plurality of air conditioners are arranged in the air conditioning room, the side surface of the air conditioning room is an evaporative cooling chamber, and a ceiling plate is arranged at the top of the machine room, the air conditioning room and the evaporative cooling chamber; an air inlet is formed in the outer wall of the evaporative cooling chamber, wet film fillers are distributed in the air inlet of the evaporative cooling chamber, a vent is formed in a ceiling plate on the upper portion of the evaporative cooling chamber, a heat pipe heat exchanger is arranged on the ceiling plate between the machine room and the air conditioning room, a circulating fan is arranged on the ceiling plate on the machine room, the heat pipe heat exchanger carries out temperature treatment on indoor return air in advance, the return air is cooled by the air conditioner, when the outdoor temperature is reduced to a certain degree, the indoor return air is treated to the indoor air supply temperature through the heat pipe heat exchanger by outdoor air, and at the moment, an air conditioning compressor or a chilled water system; outdoor air takes away indoor heat through the heat pipe heat exchanger, so that the cooling speed of the machine room is increased, and the energy consumption of an air conditioner is reduced.
Description
Technical Field
The utility model relates to a data center's cooling energy saving field especially relates to indirect evaporative cooling and gravity heat pipe combined together's data center cooling system.
Background
At present, the heat pipe technology is mainly applied to the industries of electronics, thermal power plants, aerospace and the like, the air conditioning industry is mainly applied to fresh air heat exchange units and dehumidifiers, and the data center industry is mainly applied to power type heat pipe air conditioning units (namely refrigeration equipment with a fluorine pump); evaporative cooling technology is widely used in data center industry, such as cooling towers, humidification units, and evaporative cooling air conditioning units. But the application of combining the two technologies is not currently available.
The data center is used as a large energy-consuming user, energy conservation is an important assessment index, the combined use of the heat pipe heat exchanger and the evaporative cooling technology can be used as an important option of a data center energy-saving scheme, can replace an integrated evaporative cooling air conditioning unit, can be applied to newly-built data center projects, can also be applied to rebuilt data center projects, can be flexibly arranged according to the spatial characteristics of the data center, and can be suitable for data centers with lower floors.
SUMMERY OF THE UTILITY MODEL
The application provides a data center cooling system that indirect evaporative cooling and gravity heat pipe combined together improves the cooling rate, reduces the air conditioner energy consumption, in order to reach above-mentioned purpose, the utility model discloses a following technical scheme: the method comprises the following steps: the air conditioner comprises a machine room, an air conditioning room, a heat pipe heat exchanger, wet film fillers and a circulating fan, wherein multiple groups of machine cabinets are arranged in the machine room, the side surface of the machine room is the air conditioning room, multiple air conditioners are arranged in the air conditioning room, the side surface of the air conditioning room is an evaporative cooling chamber, and ceiling plates are arranged at the tops of the machine room, the air conditioning room and the evaporative cooling chamber; an air inlet is formed in the outer wall of the evaporative cooling chamber, wet film fillers are distributed in the air inlet of the evaporative cooling chamber, a vent is formed in a ceiling plate on the upper portion of the evaporative cooling chamber, a heat pipe heat exchanger is arranged on the ceiling plate between the machine room and the air conditioner room, and a circulating fan is arranged on the ceiling plate on the machine room.
Preferably, the air inlet is provided with a louver with a filter screen, and the air inlet is arranged at the lower part of the outer side surface of the evaporative cooling chamber.
Preferably, the vent is provided with a filter screen, and the wet film filler is fully distributed on the inner side of the filter screen, so that the air inlet speed of outdoor air is reduced, the moisture of the outdoor air and the wet film filler is fully subjected to heat and moisture exchange, and the temperature of the outdoor air is further reduced.
Preferably, the condensation section of the heat pipe heat exchanger is arranged above the suspended ceiling, and the evaporation section is arranged below the suspended ceiling.
Preferably, the air-conditioning room and the evaporative cooling chamber are separated by a top partition plate which is arranged vertically to the ceiling.
Preferably, the front side of each of the multiple groups of cabinets in the machine room is a cold channel, the back side of each of the multiple groups of cabinets is a hot channel, and the air-conditioning units are located at the tail parts of the multiple groups of cabinets.
Preferably, the side surfaces of the machine room and the air conditioning room are respectively provided with an inlet.
The cooling system is characterized in that an outdoor air circulation system and an indoor air circulation system are utilized to realize cooling, the outdoor air circulation system and the indoor air circulation system are separated by a ceiling plate and a ceiling baffle plate perpendicular to the ceiling, the outdoor air circulation system is positioned on the side surface of a data center machine room and in a channel above the ceiling plate, an evaporator section of a heat pipe heat exchanger is arranged in the indoor air circulation system, a condensation section is arranged in the outdoor circulation system, and indoor air is subjected to heat exchange treatment and is cooled; the outdoor air circulation system includes: the wet film filler and the circulating fan are used for cooling outdoor fresh air through the wet film filler and then entering a channel above the ceiling plate, and the circulating fan is located at an outlet of the ceiling channel and used for pumping hot air in a space above the ceiling to the outdoor.
The utility model has the advantages that: according to the air-conditioning system, a heat pipe heat exchanger, wet film packing and an air conditioner are adopted for cooling, the heat pipe heat exchanger is used for carrying out temperature treatment on indoor return air in advance, then the air conditioner is used for further cooling the return air, when the outdoor temperature is reduced to a certain degree, the outdoor air can treat the indoor return air to the indoor air supply temperature through the heat pipe heat exchanger, and at the moment, an air-conditioning compressor or a chilled water system can stop running; outdoor air can take away indoor heat through the heat pipe heat exchanger, so that the cooling speed of the machine room is increased, and the energy consumption of an air conditioner is reduced.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic diagram of a structure for achieving multi-layer cooling according to the present application;
in the figure, 1, a machine room; 2. an air conditioning room; 3. an evaporative cooling chamber;
4. a heat pipe heat exchanger 401, a condensation section 402 and an evaporation section; 5. an air conditioner;
6. a top bulkhead; 7. a wet film filler; 8. a circulating fan; 9. a cabinet; 10. louver blades;
11. a ceiling plate; 12. and a vent.
Detailed Description
As shown in fig. 1 to 2, the present patent application includes: the heat pipe heat exchanger is arranged in the machine room, a plurality of groups of machine cabinets are arranged in the machine room, an inlet is formed in the side face of the machine room close to the head of each machine cabinet, the front face of each machine cabinet is a cold channel, and the back face of each machine cabinet is a hot channel; the side surface of the machine room close to the tail part of the machine cabinet is an air conditioning room, and a plurality of air conditioners are arranged in the air conditioning room; one side of keeping away from the computer lab between the air conditioner is the evaporative cooling room, the computer lab, the top between air conditioner room and evaporative cooling room is provided with the furred ceiling board, the outer wall that the evaporative cooling room kept away from the air conditioner room is seted up the air intake, wet film filler distributes in the air intake of evaporative cooling room, the vent has been seted up on the furred ceiling board on evaporative cooling room upper portion, there is the air conditioner partition wall between computer lab and the air conditioner room, set up heat pipe exchanger on the furred ceiling board of air conditioner partition wall top, circulating fan sets up on the furred ceiling board on the computer lab, further say that heat pipe exchanger's condensation zone sets up in the furred ceiling top, the evaporation zone sets up in the furred ceiling below, realize the heat transfer in the computer lab, outdoor new trend enters into the passageway on furred ceiling board upper portion along the air intake after wet film filler.
Preferably, the air inlet is provided with a louver with a filter screen, the air inlet is arranged at the lower part of the outer side surface of the evaporative cooling chamber, the wet film filler is made of materials with good water absorption such as plant fibers or glass fibers, the outside of the wet film filler is sprayed with frozen softened water, and outdoor fresh air is filtered by the louver and then is sent into the wet film filler to perform heat and humidity exchange with water, so that the outdoor air temperature is reduced.
Preferably, the vent is provided with a filter screen, and the wet film filler is fully distributed on the inner side of the filter screen, so that the air inlet speed of outdoor air is reduced, the moisture of the outdoor air and the wet film filler is fully subjected to heat and moisture exchange, and the temperature of the outdoor air is further reduced.
Preferably, the air-conditioning room and the evaporative cooling chamber are separated by a top partition plate which is arranged vertically to the ceiling.
Preferably, the heat pipe heat exchanger adopts gravity type heat pipes, the heat pipe heat exchanger is vertically placed in the top space of the machine room, and a suspended ceiling is adopted to separate a condensation section and an evaporation section of the heat pipe heat exchanger.
Preferably, the heat pipe heat exchangers are arranged in rows, and the heat pipe heat exchangers are supported or hung on the ceiling plate by steel supports.
This patent application utilizes outdoor air circulation system, indoor air circulation system to realize the cooling, outdoor air circulation: outdoor air enters the passage at the upper part of the ceiling plate from the louver after primary filtering and humidification and temperature reduction treatment, passes through the condensation section of the heat pipe exchanger, and carries out sensible heat exchange with indoor air circulating return air, the temperature of the outdoor air is raised, and then the outdoor air is discharged to the outside through the outdoor circulating fan.
Indoor air circulation: indoor air circulation return air passes through the evaporation section of the heat pipe heat exchanger from the hot channel and is subjected to sensible heat exchange with outdoor air circulation air supply, the temperature of the indoor air circulation return air is reduced and then returns to the air conditioner, and the central control unit controls the opening of a water valve or the start and stop of a compressor according to the return air temperature after pretreatment of the heat pipe heat exchanger, so that spraying of wet film filler or temperature adjustment of the air conditioner is realized.
According to the application, the heat pipe heat exchanger, the wet film filler and the air conditioner are adopted for cooling, the heat pipe heat exchanger is used for carrying out temperature treatment on indoor return air in advance, the air conditioner is used for further cooling the return air, when the outdoor temperature is reduced to a certain degree, the outdoor air can treat the indoor return air to the indoor air supply temperature through the heat pipe heat exchanger, and at the moment, an air conditioner compressor or a chilled water system can stop running; outdoor air can take away indoor heat through the heat pipe heat exchanger, and the return air temperature of the circulation in the machine room is processed to the air supply temperature.
Assuming that the temperature of the circulating return air in the machine room is 25/38 ℃, and when the temperature of the outdoor wet bulb is lower than 14 ℃, the temperature of the outdoor dry bulb can be processed to 17 ℃, and at the moment, the natural cooling can be realized, and the compressor or the refrigerating system of the air conditioning system is closed and only the compressor is started; when the outdoor wet bulb temperature is 14-31 ℃, the outdoor air temperature of the machine room can be reduced to below 34 ℃ through evaporative cooling and cooling of the heat pipe heat exchanger, and the cooled outdoor air exchanges heat with indoor circulating return air, so that the cold load of the air conditioning system is reduced, the cold output of the air conditioning system is reduced, and the purpose of energy conservation is achieved.
The above-described embodiments are merely illustrative of the principles and utilities of the present patent application and are not intended to limit the present patent application. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of this patent application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of this patent application.
Claims (7)
1. The data center cooling system that indirect evaporative cooling and gravity heat pipe combined together, its characterized in that: the method comprises the following steps: the air conditioner comprises a machine room, an air conditioning room, a heat pipe heat exchanger, wet film fillers and a circulating fan, wherein multiple groups of machine cabinets are arranged in the machine room, the side surface of the machine room is the air conditioning room, multiple air conditioners are arranged in the air conditioning room, the side surface of the air conditioning room is an evaporative cooling chamber, and ceiling plates are arranged at the tops of the machine room, the air conditioning room and the evaporative cooling chamber; an air inlet is formed in the outer wall of the evaporative cooling chamber, wet film fillers are distributed in the air inlet of the evaporative cooling chamber, a vent is formed in a ceiling plate on the upper portion of the evaporative cooling chamber, a heat pipe heat exchanger is arranged on the ceiling plate between the machine room and the air conditioner room, and a circulating fan is arranged on the ceiling plate on the machine room.
2. The system of claim 1, wherein the indirect evaporative cooling and gravity heat pipe combined data center cooling system comprises: the air inlet is provided with a louver with a filter screen and is arranged at the lower part of the outer side surface of the evaporative cooling chamber.
3. The system of claim 1, wherein the indirect evaporative cooling and gravity heat pipe combined data center cooling system comprises: a filter screen is arranged on the ventilation opening, and wet film filler is arranged on the inner side of the filter screen.
4. The system of claim 1, wherein the indirect evaporative cooling and gravity heat pipe combined data center cooling system comprises: the condensation section of the heat pipe heat exchanger is arranged above the suspended ceiling, and the evaporation section is arranged below the suspended ceiling.
5. The system of claim 1, wherein the indirect evaporative cooling and gravity heat pipe combined data center cooling system comprises: the air conditioning room and the evaporative cooling chamber are separated by a top partition plate which is vertically arranged with the suspended ceiling.
6. The system of claim 1, wherein the indirect evaporative cooling and gravity heat pipe combined data center cooling system comprises: the front of the machine cabinet is a cold channel, the back of the machine cabinet is a hot channel, and the air conditioner is positioned at the tail part of the machine cabinet.
7. The system of claim 1, wherein the indirect evaporative cooling and gravity heat pipe combined data center cooling system comprises: the side surfaces of the machine room and the air conditioning room are respectively provided with an inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921699496.0U CN210808051U (en) | 2019-10-11 | 2019-10-11 | Data center cooling system combining indirect evaporative cooling and gravity heat pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921699496.0U CN210808051U (en) | 2019-10-11 | 2019-10-11 | Data center cooling system combining indirect evaporative cooling and gravity heat pipe |
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| CN210808051U true CN210808051U (en) | 2020-06-19 |
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| CN201921699496.0U Active CN210808051U (en) | 2019-10-11 | 2019-10-11 | Data center cooling system combining indirect evaporative cooling and gravity heat pipe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112611034A (en) * | 2020-11-26 | 2021-04-06 | 华为技术有限公司 | Indirect evaporative cooling device |
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2019
- 2019-10-11 CN CN201921699496.0U patent/CN210808051U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112611034A (en) * | 2020-11-26 | 2021-04-06 | 华为技术有限公司 | Indirect evaporative cooling device |
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