CN101581513A - Special solar refrigeration device for communication base station and refrigeration method thereof - Google Patents
Special solar refrigeration device for communication base station and refrigeration method thereof Download PDFInfo
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- CN101581513A CN101581513A CNA2008100645167A CN200810064516A CN101581513A CN 101581513 A CN101581513 A CN 101581513A CN A2008100645167 A CNA2008100645167 A CN A2008100645167A CN 200810064516 A CN200810064516 A CN 200810064516A CN 101581513 A CN101581513 A CN 101581513A
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- generator
- base station
- communication base
- refrigeration
- absorber
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
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- Sorption Type Refrigeration Machines (AREA)
Abstract
The invention relates to a special solar refrigeration device for a communication base station and a refrigeration method thereof. The prior communication base station depends on the refrigeration by an air conditioner to regulate temperature. The special solar refrigeration device for a communication base station comprises a generator (2) connected with a solar thermal collector (1); the generator is sequentially connected with a solution pump (3), an absorber (4), an evaporator (5), a throttle A (6) and a condenser (7) which form a circuit with the generator; the solution pump is connected with a temperature controller (8); and the generator is connected with the absorber through a throttle (9). The invention is used for the refrigeration of the communication base station.
Description
Technical field:
The present invention relates to a kind of communication base station special solar refrigerating plant and refrigerating method.
Background technology:
China is the very abundant country of solar energy resources, and 2/3rds area year radiation amount is greater than 5020MJ/m
2, year sunshine time is more than 2200h.Therefore, development and use solar energy has very big potentiality, and developing solar energy industry as soon as possible is the task of top priority.At present, solar energy utilization great majority still are aspect heating, as: solar water heater, solar energy housing etc.; The application of solar refrigeration is then at the early-stage, and most products also are in research and development, test and demonstration phase.Introduce existing technology in present solar refrigeration aspect and product situation below:
(1) photovoltaic formula Refrigeration Technique: this technology is the most ripe in the present solar refrigeration technology, the Refrigeration Technique that the product industrialization is maximum.It is electric energy by monocrystalline silicon or polysilicon solar cell plate with conversion of solar energy, and with electrical power storage in battery, provide electric energy to finish refrigeration to refrigeration machine.Its advantage is that principle is simple, technology maturation; Shortcoming is that cost price is too high.Only be applied under the extreme environment or among the demonstration project.
(2) solar semiconductor refrigeration technique: the solar semiconductor refrigeration system utilizes semi-conductive thermoelectric refrigerating effect exactly, directly supply with required direct current by solar cell, reach the effect of cooling and warming by the electrical potential difference of particular semiconductor material thermoelectric pile formation.Its advantage is a technology maturation, and only need by change electrode just can realize freezing and heat between conversion, corresponding industrialization product has been arranged, as car refrigerator etc.; Shortcoming is that efficient is lower, only is applicable to small-sized part refrigeration.
At present, nearly 1,000,000 of national communication base station, and the overwhelming majority is earth station or roof station, direct irradiation of sunlight, and operating ambient temperature is generally higher.Equipment in the base station requires to work under the normal temperature state, so all communication base stations all install an air-conditioner, and relies on air conditioner refrigerating to regulate temperature.The power consumption of air-conditioning becomes the main body of base station power consumption, accounts for 2/3rds of whole base station power consumption greatly.
Summary of the invention:
The purpose of this invention is to provide a kind of communication base station special solar refrigerating plant and refrigerating method, cost is low, the refrigerating efficiency height.
Above-mentioned purpose realizes by following technical scheme:
Communication base station special solar refrigerating plant, its composition comprises: the generator that is connected with solar thermal collector, described generator connects solution pump, absorber, evaporimeter, throttle valve A, condenser successively and forms the loop with described generator, described solution pump connects temperature controller, is connected choke valve between described generator and the absorber.
Be connected solution heat exchanger between the described communication base station special solar refrigerating plant, described generator and choke valve.
Communication base station special solar refrigerating method, described communication base station special solar refrigerating plant is by absorption refrigeration, and the employing lithium bromide water solution is a working media, and described lithium bromide is an absorbent, water is cold-producing medium, and liquid refrigerant is vaporized under low-pressure low-temperature to reach refrigeration; Adopt of the operation of described temperature controller, realize the intelligent automatic operation of system according to environment temperature automatic control system refrigeration.
Described communication base station special solar refrigerating method, described absorber are sent to the cold weak solution of generator and carry out heat exchange with the hot concentrated solution that is sent to absorber from generator at described solution heat exchanger.
Beneficial effect of the present invention:
1. adopt the absorption solar energy refrigeration principle to realize the refrigerating function of solar energy, relatively the photovoltaic refrigeration is much lower for cost, and than semiconductor refrigerating efficient height, refrigerating capacity is big.As the corollary equipment of base station air conditioner, can reduce the working time and the number of starts of air-conditioning significantly, effectively saves energy prolongs air-conditioning service life and maintenance cost.
2. the employing intelligent temperature controller has been realized the automatic control to refrigerating plant work.The automatic monitored base stations variation of ambient temperature of temperature sensor by starting the setting value of operating temperature, is opened or is closed the work of solution pump automatically, thereby control the work of whole device.Controller is the important component part of product industrialization.
3. on the solution pipeline between generator and the absorber, adopt the solution heat exchanger technology, thereby reduced the concentrated solution temperature that enters absorber, reduced the cooling load of absorber again, further improve the comprehensive effectiveness of system.
Description of drawings:
Accompanying drawing 1 is the connection diagram of this product.
Accompanying drawing 2 is connection diagrams that this product has solution heat exchanger.
The specific embodiment:
Embodiment 1:
Communication base station special solar refrigerating plant, its composition comprises: the generator 2 that is connected with solar thermal collector 1, described generator connects solution pump 3, absorber 4, evaporimeter 5, throttle valve A 6, condenser 7 successively and forms the loop with described generator, described solution pump connects temperature controller 8, is connected choke valve 9 between described generator and the absorber.
Be connected solution heat exchanger 10 between the described communication base station special solar refrigerating plant, described generator and choke valve.
Embodiment 2:
Communication base station special solar refrigerating method, described communication base station special solar refrigerating plant is by absorption refrigeration, and the employing lithium bromide water solution is a working media, and described lithium bromide is an absorbent, water is cold-producing medium, and liquid refrigerant is vaporized under low-pressure low-temperature to reach refrigeration; Adopt of the operation of described temperature controller, realize the intelligent automatic operation of system according to environment temperature automatic control system refrigeration.
Described communication base station special solar refrigerating method, described absorber are sent to the cold weak solution of generator and carry out heat exchange with the hot concentrated solution that is sent to absorber from generator at described solution heat exchanger.
The present invention adopts the absorption refrigeration principle, and heat collector adopts flat type solar heat collector, and major function is to collect solar heat to heat; Temperature controller adopts the temperature sensor monitors environment temperature, controls the work of solution pump automatically according to environment temperature and design temperature, thereby controls the work of whole device.Absorption Refrigerator is the product main part, mainly is made up of four heat-exchange apparatus, i.e. generator, condenser, evaporimeter and absorber.
The product course of work:
Four heat-exchange apparatus of Absorption Refrigerator are formed two circulation loops: cold-producing medium circulation and absorbent circulation.The left side is the cold-producing medium circulation, belongs to contrary circulation, is made up of evaporimeter, condenser and throttle valve A.High-pressure gaseous refrigerant after the cooling water heat release is condensated into liquid state, enters evaporimeter through throttle valve A decompression cooling in condenser.At evaporimeter, this liquid is vaporizated into the low pressure refrigerant vapor, draws the heat of the medium that is cooled simultaneously, produces refrigeration effect.Right half part is the absorbent circulation, belongs to direct circulation, mainly is made up of absorber, generator and solution pump.In absorber, absorb the low-pressure gaseous refrigerant that evaporimeter produces with stripping liquid, to reach the purpose of keeping low pressure in the evaporimeter.Absorbent absorption refrigeration agent steam and the cold-producing medium, the absorbent solution that form enter generator after solution pump boosts, this solution is heated, seethes with excitement in generator, and wherein low-boiling refrigerants vaporize forms high-pressure gaseous refrigerant, separates with absorbent again.The former goes condenser liquefaction then, and the latter then returns absorber and absorbs low-pressure gaseous refrigerant once more.Circulate for cold-producing medium, absorber is equivalent to the suction side of compressor, and generator is equivalent to the extrusion side of compressor.Absorbent can be considered the refrigerant vapour that will produce refrigeration effect and is transported on high-tension side delivery liquid from the low-pressure side that circulates.
On the solution pipeline between generator and the absorber, solution heat exchanger is housed among Fig. 2.Be sent to the cold weak solution of generator from absorber and carry out heat exchange here with the hot concentrated solution that is sent to absorber from generator.Like this, both improve the weak solution temperature that enters generator, reduced the required heat consumption of generator; Reduced the concentrated solution temperature that enters absorber again, reduced the cooling load of absorber, so solution heat exchanger also is a kind of energy-saving appliance.
Claims (4)
1. communication base station special solar refrigerating plant, its composition comprises: the generator that is connected with solar thermal collector, it is characterized in that: described generator connects solution pump, absorber, evaporimeter, throttle valve A, condenser successively and forms the loop with described generator, described solution pump connects temperature controller, is connected choke valve between described generator and the absorber.
2. communication base station special solar refrigerating plant according to claim 1 is characterized in that: be connected solution heat exchanger between described generator and the choke valve.
3. communication base station special solar refrigerating method, it is characterized in that: described communication base station special solar refrigerating plant is by absorption refrigeration, the employing lithium bromide water solution is a working media, described lithium bromide is an absorbent, water is cold-producing medium, and liquid refrigerant is vaporized under low-pressure low-temperature to reach refrigeration; Adopt of the operation of described temperature controller, realize the intelligent automatic operation of system according to environment temperature automatic control system refrigeration.
4. communication base station special solar refrigerating method according to claim 3 is characterized in that: described absorber is sent to the cold weak solution of generator and carries out heat exchange with the hot concentrated solution that is sent to absorber from generator at described solution heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100645167A CN101581513A (en) | 2008-05-16 | 2008-05-16 | Special solar refrigeration device for communication base station and refrigeration method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100645167A CN101581513A (en) | 2008-05-16 | 2008-05-16 | Special solar refrigeration device for communication base station and refrigeration method thereof |
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| Publication Number | Publication Date |
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| CN101581513A true CN101581513A (en) | 2009-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2008100645167A Pending CN101581513A (en) | 2008-05-16 | 2008-05-16 | Special solar refrigeration device for communication base station and refrigeration method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103388861A (en) * | 2012-05-08 | 2013-11-13 | 珠海兴业绿色建筑科技有限公司 | Solar air conditioner |
| CN103954068A (en) * | 2014-04-17 | 2014-07-30 | 广东工业大学 | Absorption refrigerating machine with integrated solar assisted heat pump system |
| CN105972866A (en) * | 2016-05-05 | 2016-09-28 | 北京百度网讯科技有限公司 | Refrigeration system and method applied to data center |
-
2008
- 2008-05-16 CN CNA2008100645167A patent/CN101581513A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103388861A (en) * | 2012-05-08 | 2013-11-13 | 珠海兴业绿色建筑科技有限公司 | Solar air conditioner |
| CN103954068A (en) * | 2014-04-17 | 2014-07-30 | 广东工业大学 | Absorption refrigerating machine with integrated solar assisted heat pump system |
| CN105972866A (en) * | 2016-05-05 | 2016-09-28 | 北京百度网讯科技有限公司 | Refrigeration system and method applied to data center |
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Open date: 20091118 |