CN103344024A - Air conditioner outdoor unit system - Google Patents
Air conditioner outdoor unit system Download PDFInfo
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- CN103344024A CN103344024A CN2013103027478A CN201310302747A CN103344024A CN 103344024 A CN103344024 A CN 103344024A CN 2013103027478 A CN2013103027478 A CN 2013103027478A CN 201310302747 A CN201310302747 A CN 201310302747A CN 103344024 A CN103344024 A CN 103344024A
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Abstract
The invention provides an air conditioner outdoor unit system which is provided with a cooling device. The cooling device comprises a first cooling branch with an evaporation cooling module (1), a second cooling branch with an auxiliary refrigeration module (2) and a temperature control module, wherein the evaporation cooling module (1) is used for carrying out evaporation cooling on refrigerants flowing in the evaporation cooling module (1), the auxiliary refrigeration module (2) is used for carrying out heat-exchange cooling on refrigerants flowing in the auxiliary refrigeration module (2), and the temperature control module is used for controlling the cooling device according to monitored outdoor environment temperature to select a mode to carry out switching over between the first cooling branch and the second cooling branch. The air conditioner outdoor unit system can achieve the fact that the outdoor environment temperature is used for cooling the air conditioner outdoor unit system.
Description
Technical field
The present invention relates to a kind of air-conditioner outdoor unit system.
Background technology
The special-purpose precision air conditioner product of the computer room major part of using in the industry does not at present possess natural cooling function, and the operating temperature of especially freon unit, and freon outdoor machine of air-conditioner is restricted, and can not be lower than-20 ℃.Will occur the freon unit like this and use on a large scale northeastward and be restricted, and this unit can not take full advantage of the outdoor environment low-temperature receiver, not reach energy-conservation purpose, not satisfy the aim of building the green data center at present.
Active computer air conditioner in machine room off-premises station is owing to being subjected to the outdoor environment influence, so the application region is affected.When ambient temperature was very low, the off-premises station performance can be affected, even caused shutdown not freezed sometimes.When ambient temperature was lower, unit can not take full advantage of the external environment low-temperature receiver and freeze in addition, and compressor also working on, and did not reach energy-conservation purpose.
Occurred some products that utilize natural cooling source to freeze in the market, but because volume is big, pipeline and control system complexity thereof are not used widely.
Summary of the invention
At the problem that exists in the correlation technique, the object of the present invention is to provide a kind of air-conditioner outdoor unit system, to realize utilizing outdoor environment temperature that the air-conditioner outdoor unit system is cooled off.
For achieving the above object, the invention provides a kind of air-conditioner outdoor unit system, have cooling device, this cooling device comprises: have the first cooling branch road of evaporative cooling module, the evaporative cooling module is used for the refrigerant that flows into is wherein carried out evaporative cooling; The second cooling branch road with auxiliary cooling module, auxiliary cooling module are used for the refrigerant that flows into is wherein carried out the heat exchange cooling; Temperature control modules is used for switching between the first cooling branch road and cooling branch road to select a mode according to the outdoor environment temperature control cooling device of sensing.
Preferably, the first cooling branch road also has, and is connected on first magnetic valve of the entrance of evaporative cooling module, and the evaporative cooling module is the micro-channel heat exchanger that has fan; The second cooling branch road also has, and is connected on second magnetic valve of the entrance of auxiliary cooling module, and the auxiliary cooling module is plate type heat exchanger.
Preferably, when the outdoor environment temperature of sensing is lower than design temperature, temperature control modules control cooling device switches to the first cooling branch road, and when the outdoor environment temperature of sensing was higher than design temperature, temperature control modules control cooling device switched to the second cooling branch road.
Preferably, the air-conditioner outdoor unit system also comprises: the heat exchange cooling that is used for that the auxiliary cooling module is carried out provides the heat-exchanging loop of low-temperature receiver, and wherein, heat-exchanging loop has radiator fan.
Preferably, design temperature is 15 ℃ of dry-bulb temperatures.
Preferably, the air-conditioner outdoor unit system also comprises: the pump that is used for the cooling device refrigerant is provided mobilization dynamic.
Useful technique effect of the present invention is:
(1) air-conditioner outdoor unit of the present invention system has cooling device, this cooling device comprises the first cooling branch road with evaporative cooling module and has the second cooling branch road of auxiliary cooling module, and temperature control modules can switch between the first cooling branch road and cooling branch road to select a mode according to the outdoor environment temperature control cooling device of sensing, therefore, when outdoor environment temperature is low, air-conditioner outdoor unit of the present invention system switches to the first cooling branch road, thereby refrigerant is cooled off as low-temperature receiver by the lower temperature of evaporative cooling module utilization, and need not to use other cooling devices; When outdoor environment temperature is higher, then switch to the second cooling branch road, utilize the plate type heat exchanger in the auxiliary cooling module that refrigerant is cooled off.So air-conditioner outdoor unit of the present invention system can realize utilizing outdoor environment temperature that it is cooled off, and then the mode by above-mentioned handoff leg, the present invention is energy savings effectively, and the energy consumption in the time of refrigerant being cooled off at least reduces more than 50%, thereby cuts down the consumption of energy cost.
(2) and, air-conditioner outdoor unit of the present invention system only needs the outdoor environment temperature according to the temperature control modules sensing, utilize the break-make of magnetic valve just can realize switching between different branch, therefore need not extra pipeline and extra control system, so can reduce system bulk, also simplification use operation.
(3) in addition, switching to the first cooling branch road when cooling off, only need utilize outdoor environment temperature to cool off, can not give off environmentally harmful gas.
(4) further, because air-conditioner outdoor unit of the present invention system can switch between two branch roads, thus can adapt to different environment and not be subjected to regional temperature effect, so adaptability is stronger, it is more extensive to use.
Description of drawings
Fig. 1 is the structural representation of an embodiment of air-conditioner outdoor unit of the present invention system;
Fig. 2 is the structural representation of another embodiment of air-conditioner outdoor unit of the present invention system.
The specific embodiment
Describe air-conditioner outdoor unit of the present invention system referring now to accompanying drawing, shown in Fig. 1 is an embodiment of this air-conditioner outdoor unit system, and it has cooling device, and this cooling device comprises the first cooling branch road, second cooling branch road and the temperature control modules.Wherein, the first cooling branch road has evaporative cooling module 1, and this branch road is used for the refrigerant that flows into is wherein carried out evaporative cooling; The second cooling branch road has auxiliary cooling module 2, and this branch road is used for the refrigerant that flows into is wherein carried out the heat exchange cooling.In addition, temperature control modules can be used for switching between the first cooling branch road and the second cooling branch road to select one mode according to the outdoor environment temperature of sensing control cooling device.
Further, first magnetic valve 3 that also has the entrance that is connected on evaporative cooling module 1 in the first cooling branch road; Second magnetic valve 4 that also has the entrance that is connected on auxiliary cooling module 2 in the second cooling branch road.Break-make by first magnetic valve 3 and second magnetic valve 4 just can realize the switching to the first and second cooling branch roads, particularly, when temperature control modules senses outdoor environment temperature when being lower than design temperature, temperature control modules control cooling device is communicated with first magnetic valve 3, and cut off second magnetic valve 4, thereby make cooling device switch to the first cooling branch road; When temperature control modules senses outdoor environment temperature when being higher than design temperature, then temperature control modules control cooling device is communicated with second magnetic valve 4, and cuts off first magnetic valve 3, thereby makes cooling device switch to the second cooling branch road.
In a preferred embodiment, design temperature can be 15 ℃ of dry-bulb temperatures, and evaporative cooling module 1 can be the micro-channel heat exchanger that has fan, and auxiliary cooling module 2 can be plate type heat exchanger.The formation that of course it is to be understood that the number of degrees, evaporative cooling module 1 and the auxiliary cooling module 2 of design temperature all can adopt other forms, and this decides according to concrete operating position, and the present invention is not limited thereto.
So, because air-conditioner outdoor unit of the present invention system has cooling device, this cooling device comprises the first cooling branch road with evaporative cooling module 1 and has the second cooling branch road of auxiliary cooling module 2, and temperature control modules can switch between the first cooling branch road and cooling branch road to select a mode according to the outdoor environment temperature control cooling device of sensing, therefore, when outdoor environment temperature is low, air-conditioner outdoor unit of the present invention system switches to the first cooling branch road, thereby utilize lower temperature as low-temperature receiver refrigerant to be cooled off by evaporative cooling module 1, and need not to use other cooling devices; When outdoor environment temperature is higher, then switch to the second cooling branch road, utilize the plate type heat exchanger in the auxiliary cooling module 2 that refrigerant is cooled off.So air-conditioner outdoor unit of the present invention system can realize utilizing outdoor environment temperature that it is cooled off, and then the mode by above-mentioned handoff leg, the present invention is energy savings effectively, and the energy consumption in the time of refrigerant being cooled off at least reduces more than 50%, thereby cuts down the consumption of energy cost.
And, air-conditioner outdoor unit of the present invention system only needs the outdoor environment temperature according to the temperature control modules sensing, utilize the break-make of magnetic valve just can realize switching between different branch, therefore need not extra pipeline and extra control system, so can reduce system bulk, also simplification use operation.
In addition, switching to the first cooling branch road when cooling off, only need utilize outdoor environment temperature to cool off, can not give off environmentally harmful gas.
Further, because air-conditioner outdoor unit of the present invention system can switch between two branch roads, thus can adapt to different environment and not be subjected to regional temperature effect, so adaptability is stronger, it is more extensive to use.
Continuation is with reference to Fig. 1, in air-conditioner outdoor unit of the present invention system, also comprises heat-exchanging loop, and its heat exchange cooling that can be used for auxiliary cooling module 2 is carried out provide low-temperature receiver.Particularly, temperature control modules is the sensing outdoor environment temperature at first, then according to a connection in the height of environment temperature control magnetic valve 3 or the magnetic valve 4, correspondingly another closed electromagnetic valve.When the refrigerant gas-liquid mixture through heat exchange that flows out from indoor set enters the air-conditioner outdoor unit system, the first cooling branch road if flow through, then refrigerant carries out the heat exchange cooling at evaporative cooling module 1 place and outdoor environment, and further cooling becomes refrigerant liquid by gas-liquid mixture again through phase transformation, and flows back to indoor set and partly realize recycling; And if flow through second the cooling branch road, then refrigerant in as the plate type heat exchanger of auxiliary cooling module 2 with heat-exchanging loop in the heat exchange refrigerant carry out heat exchange, refrigerant is back to indoor set continuation use again after heat exchange then, and the heat exchange refrigerant since with the air-conditioner outdoor unit system in refrigerant carried out heat exchange, so its temperature can raise, then the heat exchange refrigerant by radiator fan 5 cooling of lowering the temperature, and then flows into plate type heat exchanger and continues to use in heat-exchanging loop.
Preferably, pump 6 is arranged in the cooling device, and being used for provides mobilization dynamic to the refrigerant of the flow through first cooling branch road or the second cooling branch road.In addition, be pointed out that also that air-conditioner outdoor unit of the present invention system is only applicable to the precision air conditioner product of computer room special use, and is not suitable for domestic air conditioning.
Referring now to Fig. 2, that illustrate is another embodiment of air-conditioner outdoor unit of the present invention system, in this embodiment, except first magnetic valve 3, second magnetic valve 4, also comprise the 3rd magnetic valve 7 and the 4th magnetic valve 8, further, first magnetic valve 3 and 8 interlocks of the 4th magnetic valve, second magnetic valve 4 and 7 interlocks of the 3rd magnetic valve.Particularly, be lower than design temperature when temperature control modules senses outdoor environment temperature, when the air-conditioner outdoor unit system need switch to the first cooling branch road, then first magnetic valve 3 and the 4th magnetic valve 8 were communicated with, and second magnetic valve 4 and the 3rd magnetic valve 7 cut off; On the contrary, be higher than design temperature if temperature control modules senses outdoor environment temperature, when the air-conditioner outdoor unit system need switch to the second cooling branch road, then second magnetic valve 4 and the 3rd magnetic valve 7 were communicated with, and first magnetic valve 3 and the 4th magnetic valve 8 cut off.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. an air-conditioner outdoor unit system has cooling device, it is characterized in that, described cooling device comprises:
Have the first cooling branch road of evaporative cooling module (1), described evaporative cooling module (1) is used for the refrigerant that flows into is wherein carried out evaporative cooling;
The second cooling branch road with auxiliary cooling module (2), described auxiliary cooling module (2) are used for the described refrigerant that flows into is wherein carried out the heat exchange cooling;
Temperature control modules is used for controlling described cooling device according to the outdoor environment temperature of sensing and switches between the described first cooling branch road and described cooling branch road.
2. air-conditioner outdoor unit according to claim 1 system is characterized in that,
The described first cooling branch road also has, and is connected on first magnetic valve (3) of the entrance of described evaporative cooling module (1), and described evaporative cooling module (1) is for having the micro-channel heat exchanger of fan;
The described second cooling branch road also has, and is connected on second magnetic valve (4) of the entrance of described auxiliary cooling module (2), and described auxiliary cooling module (2) is plate type heat exchanger.
3. air-conditioner outdoor unit according to claim 1 system is characterized in that,
When the described outdoor environment temperature of described sensing was lower than design temperature, described temperature control modules was controlled described cooling device and is switched to the described first cooling branch road,
When the described outdoor environment temperature of described sensing was higher than described design temperature, described temperature control modules was controlled described cooling device and is switched to the described second cooling branch road.
4. air-conditioner outdoor unit according to claim 1 system is characterized in that, also comprises:
The heat exchange cooling that is used for that described auxiliary cooling module (2) is carried out provides the heat-exchanging loop of low-temperature receiver,
Wherein, described heat-exchanging loop has radiator fan (5).
5. air-conditioner outdoor unit according to claim 3 system is characterized in that,
Described design temperature is 15 ℃ of dry-bulb temperatures.
6. air-conditioner outdoor unit according to claim 1 system is characterized in that, also comprises:
Be used for refrigerant described in the described cooling device is provided the pump (6) of mobilization dynamic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310302747.8A CN103344024B (en) | 2013-07-17 | 2013-07-17 | Air conditioner outdoor unit system |
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| CN201310302747.8A CN103344024B (en) | 2013-07-17 | 2013-07-17 | Air conditioner outdoor unit system |
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| CN103344024A true CN103344024A (en) | 2013-10-09 |
| CN103344024B CN103344024B (en) | 2016-02-10 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105423657A (en) * | 2015-12-18 | 2016-03-23 | 珠海格力电器股份有限公司 | Refrigerant cooling device, air conditioning system and control method |
| CN107327994A (en) * | 2017-07-10 | 2017-11-07 | 江苏省邮电规划设计院有限责任公司 | A kind of heat pipe air conditioner unit of Wind-cooling type with evaporation cooling function |
| CN107763779A (en) * | 2017-11-29 | 2018-03-06 | 北京丰联奥睿科技有限公司 | A kind of multi-freezing pipe air conditioning devaporizer |
| CN108375144A (en) * | 2017-01-20 | 2018-08-07 | 江森自控科技公司 | HVAC system with the control of predictive natural cooling and natural cooling optimization |
| US10871298B2 (en) | 2017-01-20 | 2020-12-22 | Johnson Controls Technology Company | HVAC system with multi-state predictive free cooling control |
| CN115900003A (en) * | 2022-11-21 | 2023-04-04 | 珠海格力电器股份有限公司 | Multi-double-cold-source refrigerating device unit control method, device and system and unit |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105423657A (en) * | 2015-12-18 | 2016-03-23 | 珠海格力电器股份有限公司 | Refrigerant cooling device, air conditioning system and control method |
| CN108375144A (en) * | 2017-01-20 | 2018-08-07 | 江森自控科技公司 | HVAC system with the control of predictive natural cooling and natural cooling optimization |
| US10871298B2 (en) | 2017-01-20 | 2020-12-22 | Johnson Controls Technology Company | HVAC system with multi-state predictive free cooling control |
| CN107327994A (en) * | 2017-07-10 | 2017-11-07 | 江苏省邮电规划设计院有限责任公司 | A kind of heat pipe air conditioner unit of Wind-cooling type with evaporation cooling function |
| CN107763779A (en) * | 2017-11-29 | 2018-03-06 | 北京丰联奥睿科技有限公司 | A kind of multi-freezing pipe air conditioning devaporizer |
| CN115900003A (en) * | 2022-11-21 | 2023-04-04 | 珠海格力电器股份有限公司 | Multi-double-cold-source refrigerating device unit control method, device and system and unit |
| CN115900003B (en) * | 2022-11-21 | 2024-08-20 | 珠海格力电器股份有限公司 | Multi-double-cold-source refrigerating device unit control method, device and system and unit |
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| CN103344024B (en) | 2016-02-10 |
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Effective date of registration: 20161221 Address after: 100193 Beijing City, northeast of Haidian District Road No. 8 Building No. 36 hospital 5 floor room 528 Patentee after: SUGON DATAENERGY (BEIJING) Co.,Ltd. Address before: 100193 Beijing City, northeast of Haidian District Road No. 8 Building No. 36 hospital Patentee before: Dawning Information Industry (Beijing) Co.,Ltd. Effective date of registration: 20161221 Address after: 100193 Beijing City, northeast of Haidian District Road No. 8 Building No. 36 hospital 5 floor room 528 Patentee after: SUGON DATAENERGY (BEIJING) Co.,Ltd. Address before: 100193 Beijing, Haidian District, northeast Wang West Road, building 8, No. 36 Patentee before: Dawning Information Industry (Beijing) Co.,Ltd. |
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Address after: 100193 No.36 Zhongguancun Software Park, No.8 Dongbeiwang West Road, Haidian District, Beijing Patentee after: Dawning data infrastructure innovation technology (Beijing) Co.,Ltd. Address before: 100193 room 528, 5th floor, building 36, courtyard 8, Dongbeiwang Road, Haidian District, Beijing Patentee before: SUGON DATAENERGY (BEIJING) Co.,Ltd. |
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