CN107606727B - Modular external air cooling air conditioner - Google Patents
Modular external air cooling air conditioner Download PDFInfo
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- CN107606727B CN107606727B CN201710841220.0A CN201710841220A CN107606727B CN 107606727 B CN107606727 B CN 107606727B CN 201710841220 A CN201710841220 A CN 201710841220A CN 107606727 B CN107606727 B CN 107606727B
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- air
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- door
- temperature
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- 238000001816 cooling Methods 0.000 title claims abstract description 140
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000004378 air conditioning Methods 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims abstract description 5
- 239000005457 ice water Substances 0.000 claims abstract description 5
- 239000000498 cooling water Substances 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 8
- 238000001704 evaporation Methods 0.000 claims description 6
- 230000008020 evaporation Effects 0.000 claims description 6
- 230000017525 heat dissipation Effects 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
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- Central Air Conditioning (AREA)
Abstract
The invention provides a modular external air cooling air conditioner, which consists of a box body and provides a cooling air source for a data center, wherein the modular external air cooling air conditioner comprises an external air inlet air door, a primary filter screen, a middle filter screen, an air return air door, a mixing chamber, an auxiliary cooling coil, a windmill group, evaporative cooling equipment, a bypass air door, a cold air supply air door, a back heating air door, a hot air chamber, an air exhaust windmill, an air exhaust door and the like. The modular external air cooling air conditioning device has the functions of open type external air cooling, closed type indirect external air cooling and mixed cooling, and mainly uses external air natural cooling, and the ice water machine provides cold water for cooling the auxiliary cooling coil pipe, so that the running chance of the ice water machine is reduced, and the purpose of saving energy is achieved.
Description
Technical Field
The invention belongs to a modular external air cooling air conditioning device, in particular to an application of a green machine room construction technology, which can be combined with a machine room monitoring system to carry out energy management service, can be applied to cloud and IDC machine rooms and is a green machine room development technology.
Background
The existing modular air conditioner can only be assembled on a construction site, cannot be directly assembled in a factory and then transported to the site, and cannot effectively utilize time. The air conditioners are provided with a plurality of radiating modules which are respectively arranged in the cabinet, the hot return air channel or the outdoor side, when maintenance or repair is needed, the air conditioners need to go back and forth in the machine room, and a single cabinet cannot be effectively utilized for maintenance or repair.
Disclosure of Invention
In order to achieve the above object, the present invention provides a modular outdoor air cooling air conditioning device, which mainly provides a cooling air source for a data center, and has open outdoor air cooling, closed indirect outdoor air cooling and hybrid cooling functions, wherein the outdoor air natural cooling is mainly used, and an ice water machine provides cold water for cooling an auxiliary cooling coil pipe, so as to reduce the operation chance of the ice water machine and achieve the purpose of energy saving.
In addition, the modular box body design is adopted, assembly in a factory can be completed, the time for building the external air-conditioning cooling system in the machine room is shortened, and all components needing maintenance are arranged in the box body, so that maintenance is more convenient.
The invention provides a modular external air cooling air conditioner, which mainly comprises a box body, a first filter screen, a second filter screen and a second filter screen, wherein the first filter screen is used for filtering outdoor air in open full-external air cooling; a second filter also used for filtering outdoor air in the open all-outdoor air cooling; a third filter for filtering the air circulating in the data center during the indirect external air cooling; an outdoor air indirect cooling water coil for indirectly cooling outdoor air by radiating heat through a closed cooling water tower in closed outdoor air cooling; the windmill unit is a power source for air flow, introduces external air into the data center when the external air cooling is opened, and is used as the internal circulating aerodynamic force of the data center in the closed indirect external air cooling; the outside air evaporation cooling device is used for performing outside air auxiliary heat dissipation when the outside air temperature is higher than the cold air supply temperature of the data center in open whole outside air cooling; the external air inlet air door controls the external air inlet amount; an evaporative cooling damper for controlling the amount of air passing through the external air evaporative cooling device; the evaporative cooling bypass air door is also used for controlling the air quantity passing through the external air evaporative cooling device; the cold air supply air door is opened when cold air is supplied to the data center; the back-heating air door is also opened when supplying cold air to the data center; the hot air chamber air return door is opened when the closed indirect external air is cooled, and is used as hot air chamber bypass air quantity when the external air temperature is too low when the closed indirect external air is cooled, and the external air with too low temperature is mixed with the hot air chamber bypass air quantity in the air inlet chamber so as to improve the temperature of cold air supply; and an exhaust fan for controlling the exhaust air quantity when the whole outside air is opened for cooling.
The external air indirect cooling water coil is used for pre-cooling external air when the external air is opened for cooling the whole external air, and is used when the temperature of the external air after passing through the external air evaporation cooling device is higher than the temperature of cold air supply.
Compared with other prior art, the modular external air cooling air conditioner provided by the invention has the following advantages:
1. the modular external air cooling air conditioning device consists of a box body, provides a source of cooling air for a data center, and comprises an external air inlet air door, a primary filter screen, a middle-stage filter screen, an air return air door, a mixing chamber, an auxiliary cooling coil, a windmill unit, evaporative cooling equipment, a bypass air door, a cold air supply air door, a back heating air door, a hot air chamber, an exhaust fan, an exhaust air door and the like.
2. The external air auxiliary air conditioner cooling device has the functions of open type external air cooling and closed type indirect external air cooling, mainly uses external air natural cooling, and provides a cold source through the assistance of the water chiller when the cooling is insufficient.
3. Open type whole external air cooling process: the external air directly enters the box body through the external air inlet air door, passes through the primary filter screen, the intermediate filter screen, the auxiliary cooling coil, the air fan unit, the evaporative cooling equipment and the like, and provides cold air to enter the data center; hot return air of the data center enters the box body hot air chamber through the return air door, and hot air is discharged to the atmosphere through the exhaust air door through the exhaust fan.
4. Closed indirect external air cooling process: the hot return air of the data center enters the box body hot air chamber through the return air door, enters the auxiliary cooling coil, the air fan set, the bypass air door and the like through the return air door, provides cold air to enter the data center, and enters the box body hot air chamber through the return air door. The auxiliary cooling coil obtains a cold water source which is mainly cooled by a cooling water tower, and the cold source is provided by the aid of the water chiller when the cooling is insufficient.
5. When the quality of the external air is good, an open type external air cooling process can be adopted; when the quality of the external air is poor, a closed indirect external air cooling process can be adopted. The problems that when the concentration of dust in the external air is too high, the external air directly enters the box body and the data center, so that filter screens are polluted, the energy consumption of the windmill is reduced, and potential hazard factors of the data center are increased are solved.
6. The outside air assisted air conditioning cooling unit may be connected to a modular data center for direct cooling.
7. The operation modes of the open type all-outside air cooling and the closed type indirect outside air cooling are as follows.
| Mode of operation | Open type | Closed type |
| External air intake door | ON | OFF |
| Exhaust fan | ON | OFF |
| Air return door of machine room | OF F | ON |
| Bypass air door | 0～100％ | 100％ |
| Evaporative cooling device | ON/OFF (watering) | OFF |
Drawings
The technical content and the purpose and efficacy of the present invention will be further understood by referring to the detailed description of the present invention and the accompanying drawings; the related drawings are as follows:
FIG. 1 is an architectural view of the modular outside air cooling air conditioner of the present invention.
100 case
110 hot air chamber
120 first filter screen
130 second sieve
140 third screen
150 external air indirect cooling water coil pipe
160 windmill group
170 outside air evaporation cooling device
171 water collecting tray
180 exhaust fan
190 air inlet chamber
200 baffle
210 external air intake damper
220 evaporative cooling air door
230 evaporative cooling bypass damper
240 cold air supply air door
250 backheating air door
260 hot air chamber return air door
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention is further described below with reference to the accompanying drawings:
referring to fig. 1, it is shown a structure diagram of the modular outdoor air-cooled air conditioner of the present invention, which mainly comprises a box 100, including a first filter 120, for filtering outdoor air in open outdoor air cooling; a second filter 130, also used to filter outdoor air in open all-outdoor air cooling; a third filter 140 for filtering the air circulating in the data center in the closed indirect outdoor air cooling; an outdoor air indirect cooling water coil 150 for indirectly cooling outdoor air by radiating heat through a closed cooling tower in closed outdoor air cooling; the windmill group 160 is a power source for air flow, introduces external air into the data center when the whole external air cooling is opened, and is used as the circulating aerodynamic force in the data center in the closed indirect external air cooling; the outside air evaporation cooling device 170 is used for performing outside air auxiliary heat dissipation when the outside air temperature is higher than the cold air supply temperature of the data center in the open whole-outside air cooling; an outside air intake damper 210 for controlling the amount of outside air intake; an evaporative cooling damper 220 for controlling the amount of air passing through the outside air evaporative cooling device 170; an evaporative cooling bypass damper 230 for controlling the amount of air passing through the outdoor air evaporative cooling device 170; a cold air supply damper 240 opened when cold air is supplied to the data center; a regenerative air door 250 which is also opened when supplying cold air to the data center; the hot air chamber return air door 260 is opened when the closed indirect outside air is cooled, and is used as hot air chamber bypass air volume when the outside air temperature is too low when the closed indirect outside air is cooled, and the outside air with too low temperature is mixed with the hot air chamber 110 bypass air volume in the air inlet chamber 190 to improve the temperature of cold air supply; an exhaust fan 180 for controlling the amount of exhaust air when the whole outside air is cooled; the hot air chamber 110, the hot return air of the data center enters the hot air chamber 110 through the return air damper 250, and the hot air is discharged out of the large chamber through the exhaust fan 180, wherein a partition 200 is arranged below the hot air chamber 110 to isolate the temperature in the hot air chamber 110.
The external air indirect cooling water coil is used for external air pre-cooling when the whole external air is opened for cooling, and is used when the temperature of the external air passing through the external air evaporative cooling device 170 is higher than the temperature of the cold air supply.
The external air evaporation cooling device 170 has a sprinkling system, and can cool the hot air or the air with the temperature higher than the outdoor temperature sent by the windmill group through the sprinkling system, and a water collecting tray 171 collects the water sprayed by the sprinkling system, and circulates the collected water to the sprinkling system for repeated recycling.
In summary, the full-external air cooling is opened, when the external air temperature is lower than the cold air supply temperature, the evaporative cooling air door is closed, and the evaporative cooling bypass air door is opened, and when the external air temperature is higher than the cold air supply temperature, the air quantity passing through the external air evaporative cooling device is controlled, and the evaporative cooling air door and the evaporative cooling bypass air door are in reverse motion.
In addition, when the closed indirect outside air cooling is performed, the circulating cooling air of the data center does not pass through the outside air evaporative cooling device, the evaporative cooling air door is closed, and the evaporative cooling bypass air door is opened.
The above detailed description is specific to one possible embodiment of the present invention, which is not intended to limit the scope of the invention, but rather is intended to include equivalent implementations or modifications without departing from the technical spirit of the invention.
Claims (7)
1. A modular external air cooling air conditioner mainly comprises a box body, and is characterized by comprising:
a first filter for filtering outdoor air in open all-outdoor air cooling;
a second filter also used for filtering outdoor air in the open all-outdoor air cooling;
a third filter for filtering the air circulating in the data center during the indirect external air cooling;
the external air indirect cooling water coil is cooled by a closed cooling water tower in closed indirect external air cooling, and cold water is provided by an ice water machine to assist cooling when the cooling is insufficient so as to indirectly cool the external air;
the windmill group is a power source for air flow;
the outside air evaporation cooling device is used for performing outside air auxiliary heat dissipation when the outside air temperature is higher than the cold air supply temperature of the data center in open whole outside air cooling;
the external air inlet air door controls the external air inlet amount;
an evaporative cooling damper for controlling the amount of air passing through the external air evaporative cooling device;
the evaporative cooling bypass air door is also used for controlling the air quantity passing through the external air evaporative cooling device;
the cold air supply air door is opened when cold air is supplied to the data center;
the back-heating air door is also opened when supplying cold air to the data center;
the hot air chamber return air door is in contact with the third filter screen and is opened when the closed indirect outside air is cooled;
an exhaust fan for controlling the exhaust air quantity when the whole outside air is opened for cooling;
and the hot air chamber is used for enabling hot return air of the data center to enter the hot air chamber through the back-heating air door and discharging hot air outdoors through the exhaust fan.
2. The modular outside air-cooling air conditioner according to claim 1, wherein the outside air indirect cooling water coil is used for outside air pre-cooling when the whole-outside air cooling is opened, and is used when the temperature of the outside air after passing through the outside air evaporative cooling device is higher than the temperature of the cool air supply.
3. The modular make-up air cooling air conditioner of claim 1, wherein the wind park also directs make-up air into the data center during open-air make-up air cooling and circulates aerodynamic forces within the data center during closed indirect make-up air cooling.
4. The modular outdoor air-cooling air conditioner according to claim 1, wherein the hot-air-chamber return air door is configured to increase the temperature of the supply air by mixing the outdoor air having an excessively low temperature with the hot-air-chamber bypass air volume in the intake chamber when the outdoor air temperature is excessively low in the open-air cooling.
5. The modular outdoor air-cooling air conditioner according to claim 1, wherein said outdoor air evaporative cooling unit has a sprinkler system for cooling the hot air delivered from the windmill units or the air with a temperature higher than the outdoor temperature by the sprinkler system, and a water pan for collecting the water sprayed from the sprinkler system and circulating the collected water to the sprinkler system for repeated recycling.
6. The modular outdoor air-cooling air conditioning unit according to claim 1, wherein the open full-outdoor air cooling is performed by closing the evaporative cooling damper and opening the evaporative cooling bypass damper when the outdoor air temperature is lower than the temperature of the cooling air supply, and controlling the air flow through the outdoor air evaporative cooling unit when the outdoor air temperature is higher than the temperature of the cooling air supply, and the evaporative cooling damper and the evaporative cooling bypass damper are operated in opposite directions to each other.
7. The modular outdoor air-cooling air conditioning unit of claim 1, in which the closed indirect outdoor air cooling is such that the data center circulating cooling air does not pass through the outdoor air evaporative cooling unit, and the evaporative cooling damper is closed and the evaporative cooling bypass damper is open.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW106128227A TWI640732B (en) | 2017-08-21 | 2017-08-21 | Modular external air cooling air conditioner |
| TW106128227 | 2017-08-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107606727A CN107606727A (en) | 2018-01-19 |
| CN107606727B true CN107606727B (en) | 2020-10-23 |
Family
ID=61060836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710841220.0A Expired - Fee Related CN107606727B (en) | 2017-08-21 | 2017-09-18 | Modular external air cooling air conditioner |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107606727B (en) |
| TW (1) | TWI640732B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109282441B (en) * | 2018-08-24 | 2020-01-14 | 珠海格力电器股份有限公司 | Air blowing control method and device, computer equipment and storage medium |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SG83158A1 (en) * | 1998-12-12 | 2001-09-18 | Univ Singapore | A modular heat pump system for drying and air-conditioning |
| KR101024699B1 (en) * | 2009-03-18 | 2011-03-25 | 청아공조(주) | An air conditioning system |
| CN201926043U (en) * | 2011-03-25 | 2011-08-10 | 江苏兆胜空调有限公司 | Special vertical-type air conditioner for modularized electric room |
| CN103047723A (en) * | 2012-12-25 | 2013-04-17 | 北京百度网讯科技有限公司 | Cooling system for server in machine room |
| CN103471185B (en) * | 2013-09-17 | 2016-04-27 | 广东海悟科技有限公司 | Modular data center computer-room air conditioning system |
| CN203518095U (en) * | 2013-09-18 | 2014-04-02 | 西安工程大学 | Modular evaporative cooling air handling unit with bypass ventilation door |
| CN203790788U (en) * | 2014-04-19 | 2014-08-27 | 张涛 | Haze and dust-haze treatment device |
| CN203964232U (en) * | 2014-07-10 | 2014-11-26 | 西安工程大学 | Duct type Evaporative Cooling Air-conditioning System |
-
2017
- 2017-08-21 TW TW106128227A patent/TWI640732B/en active
- 2017-09-18 CN CN201710841220.0A patent/CN107606727B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN107606727A (en) | 2018-01-19 |
| TW201913009A (en) | 2019-04-01 |
| TWI640732B (en) | 2018-11-11 |
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Granted publication date: 20201023 |
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