CN201438010U - Phase-change energy storage air conditioner - Google Patents
Phase-change energy storage air conditioner Download PDFInfo
- Publication number
- CN201438010U CN201438010U CN2009200735411U CN200920073541U CN201438010U CN 201438010 U CN201438010 U CN 201438010U CN 2009200735411 U CN2009200735411 U CN 2009200735411U CN 200920073541 U CN200920073541 U CN 200920073541U CN 201438010 U CN201438010 U CN 201438010U
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- Prior art keywords
- energy storage
- air conditioner
- phase
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- indoor
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- 238000004146 energy storage Methods 0.000 title claims abstract description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 239000012782 phase change material Substances 0.000 claims abstract description 33
- 238000001816 cooling Methods 0.000 claims abstract description 17
- 239000003507 refrigerant Substances 0.000 claims abstract description 12
- 230000008859 change Effects 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 239000012530 fluid Substances 0.000 abstract description 2
- 239000000498 cooling water Substances 0.000 abstract 1
- 230000005611 electricity Effects 0.000 abstract 1
- 238000004891 communication Methods 0.000 description 9
- 238000005057 refrigeration Methods 0.000 description 7
- 230000017525 heat dissipation Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 238000004378 air conditioning Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004887 air purification Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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- Air Conditioning Control Device (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The utility model discloses a phase-change energy storage air conditioner which comprises a water cooling system; the water cooling system comprises an outdoor refrigerator; the outdoor refrigerator comprises an outdoor fan, an outdoor heat exchanger and an air-cooling water chiller which are connected parallelly; an indoor heat exchanger is also arranged, and comprises an indoor fan and an indoor heat exchanger body which are connected parallelly; and the outdoor refrigerator and the indoor exchanger are connected by a pipeline, to form a closed refrigerant fluid circulation loop. By exchanging with the refrigerant in the natural environment, with the cold source of the temperature difference between the daytime and the nighttime in the natural environment and the latent heat of the phase-change material, the phase-change energy storage air conditioner realizes the indoor temperature control requirements, simultaneously, reduces the electricity consumption, effectively improves the effect of a compressor, reduces the start times and the operation time of the compressor, so as to prolong the service life of the compressor.
Description
Technical Field
The utility model relates to a heat dissipation energy storage equipment, in particular to utilize nature cold source and phase change material to be applied to the air conditioning equipment of outdoor computer lab.
Background
The communication base station is an important component of a communication system, and the internal environmental parameters such as temperature, humidity and cleanliness not only directly influence the reliable operation and service life of communication equipment, but also relate to the smoothness and safety of communication. The base station area is generally 10-30 m2About, but the internal heat dissipation is strong (generally at 600-. Therefore, air conditioning, cooling, air purification and operation management of the communication base station are always one of the major work points of the maintenance department.
The air conditioning equipment currently used by the base station has the following characteristics: firstly, because the heat dissipation capacity of the equipment is large and concentrated, and meanwhile, because a base station is not provided with a specific humidity source, the moisture content mainly comes from staff and infiltrated outdoor air, and the moisture dissipation capacity is small. Secondly, because the air supply enthalpy difference of the air conditioner is small, the air volume is large, more than 95% of heat dissipation capacity in the base station is sensible heat, and the heat-humidity ratio is approximate to infinity, the air treatment process of the air conditioner can be approximately regarded as an equal humidity cooling process, and the air supply volume is inevitably large due to the small enthalpy difference under the working condition. Thirdly, since the internal equipments of the base station are operated under high load continuously all year round, and there may be a heat dissipation situation even in winter, the air conditioner must be continuously operated all year round, and the operation period is long.
The operating condition of the air conditioner in the base station room has the following defects:
1. light load operation wastes power and resources: as shown in fig. 1, since the variation of the four season temperature and the solar radiation is large, the rated cooling capacity of the base station air conditioner is larger than the actual heating capacity according to the regulations, so that the air conditioner is always in light load operation in most of the time.
2. And (3) frequent starting: as shown in fig. 2, the frequent start of the air conditioner due to the light load, about 2-10 times/hour, reduces the actual efficiency of the air conditioner.
3. Low-efficiency refrigeration: as shown in fig. 3, the power of the air conditioner increases with the ambient temperature, and the cooling capacity of the air conditioner decreases with the ambient temperature, and when the heat load is the maximum, the actual cooling efficiency of the air conditioner is the lowest, and the electric power is wasted.
As can be seen from the above, the conventional refrigeration system only uses a single refrigerant circulation system, and no matter the external temperature of the base station changes, the compressor which accounts for 80% of the overall power consumption of refrigeration needs to be continuously started, so that unnecessary power consumption occurs; the air compressor is continuously started for one year, so that the service life is greatly shortened, the maintenance cost is increased, and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a cold source which utilizes the day and night temperature difference in the natural environment to realize the indoor temperature control requirement through the refrigerant exchange with the natural environment; meanwhile, the latent heat of the phase-change material is used for reducing the electric energy consumption, and the starting times and the running time of the compressor are effectively reduced.
The utility model discloses a phase transition energy storage air conditioner's operation principle as follows: in low temperature (winter), the heat exchange function of the phase-change energy storage air conditioner is used to replace the low-temperature cold energy of the natural environment into the machine room, so as to reach the temperature environment required by the operation of the equipment. In the middle temperature (spring and autumn) and in the low temperature, the energy storage characteristic of the phase change material is utilized to store the cold source while cooling the equipment in the communication machine room; when the temperature is high, the cold source is released, and the indoor temperature control requirement is met. In high temperature (summer), the energy storage characteristic of the phase change material is utilized, refrigeration is started in low temperature, and a cold source is stored while equipment in the communication machine room is cooled; when the temperature is high, the cold source is released, and the indoor temperature control requirement is met. The refrigeration efficiency of the compressor is improved, and the starting and stopping times and the running time of the compressor are reduced.
In order to solve the technical problem, the phase change energy storage air conditioner comprises a water cooling system, wherein the water cooling system comprises an outdoor refrigerator, and the outdoor refrigerator is formed by connecting an outdoor fan, an outdoor heat exchanger and an air-cooled water chiller in parallel; the indoor heat exchanger is formed by connecting an indoor fan and an indoor heat exchanger in parallel; the outdoor refrigerating machine and the indoor exchanger are connected through a pipeline to form a closed refrigerant liquid circulation loop.
As an optimized scheme of the utility model, in the respective play water end of outdoor heat exchanger and air-cooled cold water machine respectively is connected with control flap, in the common play water end of outdoor heat exchanger and air-cooled cold water machine is connected with the valve.
As an optimized scheme of the utility model, in the common end of intaking of outdoor heat exchanger and air-cooled cold water machine is connected with circulating water pump, still is connected with the valve in the other end of this water pump.
As an optimized scheme of the utility model, in outdoor refrigerator with still installed the phase change material energy storage case between the indoor interchanger, this phase change material energy storage incasement establishes the phase change material board that the stratiform was arranged.
As an optimized proposal of the utility model, the phase-change material plate of the phase-change energy storage box is fully contacted with the refrigerant liquid and is immersed in the phase-change material plate.
As an optimized scheme of the utility model, in the end of intaking of indoor interchanger or phase change material energy storage case is connected with the valve.
As an optimized scheme of the utility model, the water outlet end of the indoor exchanger is connected with a valve.
The technical effect of the utility model lies in, it is low to the requirement of indoor outer difference in temperature to the time of outdoor cold source of equipment effective utilization has been expanded.
The utility model discloses a still another technological effect lies in, the cold source of make full use of nature and the cold-storage performance that utilizes phase change material have avoided the frequent start-up and the long-time operation of air conditioner to the life of air conditioner has been prolonged.
The utility model discloses a technical effect lies in, indoor outer isolation completely, avoids the entering of dust, moisture etc. satisfies the requirement of current computer lab equipment to service environment.
The utility model discloses a still another technological effect lies in, the installation and construction is simple, similar and the installation of current air conditioner.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and preferred embodiments.
FIG. 1 is a schematic diagram of the relationship between heat load and cooling capacity of an air conditioner in a prior art base station;
FIG. 2 is a schematic view of a start-stop condition of an air conditioner of a prior art base station;
FIG. 3 is a schematic diagram of the relationship between power and cooling capacity of a prior art air conditioner and ambient temperature;
FIG. 4 is a schematic diagram of the phase change energy storage air conditioner of the present invention;
fig. 5 is a schematic diagram of a phase change material energy storage tank of the phase change energy storage air conditioner of the present invention;
wherein,
10 outdoor refrigerator 11 outdoor fan 12 outdoor heat exchanger
13 outdoor air-cooled water chiller
20 indoor heat exchanger 21 indoor fan 22 indoor heat exchanger
30 phase change material energy storage box 31 phase change material plate
40 circulating water pump
Control valve of water outlet end of 51 outdoor heat exchanger
Control valve of water outlet end of 52 outdoor air-cooled water cooler
Valve 54 of water outlet end of outdoor refrigerator and valve of water inlet end of phase-change material energy storage tank
Valve 56 of water outlet end of 55 indoor exchanger and valve of water inlet end of outdoor air-cooled water cooler
Detailed Description
As shown in fig. 4, the phase change energy storage air conditioner of the present invention includes a water cooling system, the water cooling system includes an outdoor refrigerator 10, and the outdoor refrigerator 10 is formed by connecting an outdoor fan 11, an outdoor heat exchanger 12 and an air-cooled chiller 13 in parallel. A control valve 51 is connected to the water outlet end of the outdoor heat exchanger 12, a control valve 52 is also connected to the water outlet end of the air-cooled water chiller 13, and a valve 53 is connected to the water outlet end of the outdoor heat exchanger 12 and the air-cooled water chiller 13. A water circulating pump 40 is connected to the common water inlet end of the outdoor heat exchanger 12 and the air-cooled water chiller 13, and a valve 56 is connected to the other end of the water pump 40.
The utility model discloses a phase transition energy storage air conditioner is still including indoor interchanger 20, and this indoor heat exchanger is parallelly connected by indoor fan 21 and indoor heat exchanger 22 and forms.
Referring to fig. 5, a phase change material energy storage box 30 is further disposed between the outdoor refrigerator 10 and the indoor heat exchanger 20, and phase change material plates 31 are disposed in a layered manner in the phase change material energy storage box 30, the phase change material plates 31 are vertically disposed in an accommodating space of the phase change material energy storage box 30, and each phase change material plate 31 forms an air duct for dissipating heat, and meanwhile, the phase change material plates 31 are fully immersed in refrigerant liquid in contact with the refrigerant liquid.
A valve 54 is connected to the water inlet end of the phase-change material energy storage tank 30, and a valve 55 is also connected to the water outlet end of the indoor heat exchanger. The outdoor refrigerator 10, the indoor exchanger 22, the phase-change material energy storage tank 30, the circulating water pump 40 and a plurality of valves (51, 52, 53, 54, 55, 56) are connected through pipelines to form a closed refrigerant fluid circulation loop.
In low temperature (winter), the heat exchange function of the phase-change energy storage air conditioner is used to replace the low-temperature cold energy of the natural environment into the machine room, so as to reach the temperature environment required by the operation of the equipment. In the middle temperature (spring and autumn) and in the low temperature, the energy storage characteristic of the phase change material is utilized to store the cold source while cooling the equipment in the communication machine room; when the temperature is high, the cold source is released, and the indoor temperature control requirement is met. In high temperature (summer), the energy storage characteristic of the phase change material is utilized, refrigeration is started in low temperature, and a cold source is stored while equipment in the communication machine room is cooled; when the temperature is high, the cold source is released, and the indoor temperature control requirement is met. The refrigeration efficiency of the compressor is improved, and the starting and stopping times and the running time of the compressor are reduced.
In order to verify the utility model discloses a phase change energy storage air conditioner's operational effect, in carrying out the on-the-spot test and drawing following analysis conclusion:
1) the energy saving rate is reduced along with the reduction of the indoor and outdoor temperature difference;
2) when the highest temperature of the ambient temperature is 23 ℃ in the day, the phase-change material is used for storing energy, the temperature in the base station can still be restrained, and a compressor is not required to be started;
3) within the time of 10-3 months, the temperature requirement required by base station equipment can be met almost without starting a compressor, and the energy saving rate is about 60 percent;
4) only a small start of the compressor during the days of months 4 and 9;
5) by using the phase-change energy-storage air conditioner, the starting times and the running time of the compressor are effectively reduced, and the service life of the compressor of the main air conditioner equipment is prolonged.
According to the above analysis, the utility model discloses a phase change energy storage air conditioner energy saving effect is showing, has following advantage:
1) the requirement on the indoor and outdoor temperature difference is low, and the temperature difference between the inside and the outside is more than 8 ℃ required by the heat exchange equipment. The time for the equipment to effectively utilize the outdoor cold source is prolonged;
2) the indoor and outdoor are completely isolated, so that dust, moisture and the like are prevented from entering, and the requirements of the existing machine room equipment on the use environment are met;
3) the installation and construction are simple, and the installation is similar to that of the existing air conditioner;
4) the starting times and the running time of the compressor are effectively reduced, and the service life of the compressor of the main air conditioner equipment is prolonged.
Claims (7)
1. The utility model provides a phase transition energy storage air conditioner, includes water cooling system, its characterized in that: the water cooling system comprises an outdoor refrigerating machine (10), and the outdoor refrigerating machine (10) is formed by connecting an outdoor fan (11), an outdoor heat exchanger (12) and an air-cooled water chiller (13) in parallel; the indoor heat exchanger (20) is formed by connecting an indoor fan (21) and an indoor heat exchanger (22) in parallel; the outdoor refrigerating machine (10) is connected with the indoor exchanger (20) through a pipeline to form a closed refrigerant liquid circulation loop.
2. The phase change energy storage air conditioner of claim 1, wherein: the water outlet ends of the outdoor heat exchanger (12) and the air-cooled water cooler (13) are respectively connected with control valves (51 and 52), and the water outlet end of the outdoor heat exchanger (12) and the air-cooled water cooler (13) is connected with a valve (53).
3. The phase change energy storage air conditioner of claim 2, wherein: the common water inlet end of the outdoor heat exchanger (12) and the air-cooled water cooler (13) is connected with a circulating water pump (40), and the other end of the water pump (40) is also connected with a valve (56).
4. A phase change energy storage air conditioner according to claim 3 wherein: and a phase-change material energy storage box (30) is also arranged between the outdoor refrigerator (10) and the indoor exchanger (20), and phase-change material plates (31) which are arranged in a layered manner are arranged in the phase-change material energy storage box (30).
5. The phase change energy storage air conditioner of claim 4, wherein: and a phase change material plate (31) of the phase change energy storage box (30) is fully contacted with refrigerant liquid and soaked in the refrigerant liquid.
6. A phase change energy storage air conditioner according to claim 4 or 5 wherein: and a valve (54) is connected to the water inlet end of the indoor exchanger (20) or the phase-change material energy storage tank (30).
7. The phase change energy storage air conditioner of claim 6, wherein: and a valve (55) is connected to the water outlet end of the indoor exchanger (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200735411U CN201438010U (en) | 2009-06-09 | 2009-06-09 | Phase-change energy storage air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200735411U CN201438010U (en) | 2009-06-09 | 2009-06-09 | Phase-change energy storage air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201438010U true CN201438010U (en) | 2010-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200735411U Expired - Fee Related CN201438010U (en) | 2009-06-09 | 2009-06-09 | Phase-change energy storage air conditioner |
Country Status (1)
| Country | Link |
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| CN (1) | CN201438010U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101922770A (en) * | 2009-06-09 | 2010-12-22 | 上海凌御电气有限公司 | Phase change energy storage air conditioning |
| CN102538108A (en) * | 2012-03-12 | 2012-07-04 | 长沙泰和英杰系统集成工程有限责任公司 | Natural cold source uninterrupted precise air conditioner |
| CN102607123A (en) * | 2012-04-01 | 2012-07-25 | 海信（山东）空调有限公司 | Multi-system circulating air conditioning unit and control method |
| CN103712304A (en) * | 2013-12-27 | 2014-04-09 | 长兴酷莱科技有限公司 | Energy storage air conditioner system of mobile base station |
| CN107097972A (en) * | 2017-05-09 | 2017-08-29 | 北京首都机场节能技术服务有限公司 | A kind of airplane floor synthetic guarantee car and the comprehensive energy fueling station for its energy supply |
-
2009
- 2009-06-09 CN CN2009200735411U patent/CN201438010U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101922770A (en) * | 2009-06-09 | 2010-12-22 | 上海凌御电气有限公司 | Phase change energy storage air conditioning |
| CN102538108A (en) * | 2012-03-12 | 2012-07-04 | 长沙泰和英杰系统集成工程有限责任公司 | Natural cold source uninterrupted precise air conditioner |
| CN102607123A (en) * | 2012-04-01 | 2012-07-25 | 海信（山东）空调有限公司 | Multi-system circulating air conditioning unit and control method |
| CN103712304A (en) * | 2013-12-27 | 2014-04-09 | 长兴酷莱科技有限公司 | Energy storage air conditioner system of mobile base station |
| CN103712304B (en) * | 2013-12-27 | 2016-01-13 | 长兴酷莱科技有限公司 | Mobile base station energy storage air conditioner system |
| CN107097972A (en) * | 2017-05-09 | 2017-08-29 | 北京首都机场节能技术服务有限公司 | A kind of airplane floor synthetic guarantee car and the comprehensive energy fueling station for its energy supply |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100414 Termination date: 20150609 |
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| EXPY | Termination of patent right or utility model |