CN202734067U - Object-oriented air supplying energy-saving type air conditioning system applied to communication base station - Google Patents
Object-oriented air supplying energy-saving type air conditioning system applied to communication base station Download PDFInfo
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- CN202734067U CN202734067U CN2012204005655U CN201220400565U CN202734067U CN 202734067 U CN202734067 U CN 202734067U CN 2012204005655 U CN2012204005655 U CN 2012204005655U CN 201220400565 U CN201220400565 U CN 201220400565U CN 202734067 U CN202734067 U CN 202734067U
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- heat exchanger
- ethylene glycol
- ethanediol
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Abstract
The utility model relates to an object-oriented air supplying energy-saving type air conditioning system applied to communication base station. The system is formed by a refrigerant circulating system and an ethanediol natural cooling circulating system. The system comprises a compressor, a plate-type heat exchanger, a heat expansion valve, a refrigerant outdoor heat exchanger, a condensation fan, an ethanediol circulating pump, a pressure fixing tank, a storage battery heat exchanger, a speed regulating axial flow fan, a cabinet heat exchanger, an outdoor ethanediol heat exchanger, an ethanediol cooling fan, a solenoid valve and the like. The object-oriented air supplying energy-saving type air conditioning system applied to the communication base station is obvious in energy saving effect, accurately and directly cools a key heating device in a small area of the base station through object-oriented air supplying, greatly reduces integral cooling area, and improves reliability and energy-efficiency ratio of an air conditioner of the base station. A first solenoid valve is arranged between the ethanediol circulating pump and an ethanediol inlet of the plate-type heat exchanger, a second solenoid valve is arranged between an outlet of the ethanediol circulating pump and an ethanediol outlet of the plate type heat exchanger, a third solenoid valve is arranged between an ethanediol outlet of the cabinet heat exchanger and an ethanediol outdoor heat exchanger, and a fourth solenoid valve is arranged between the ethanediol outlet of the cabinet heat exchanger and an outlet of the ethanediol outdoor heat exchanger.
Description
Technical field
The utility model belongs to communications industry air conditioner energy saving technical field, specifically, relates to a kind of energy conservation air conditioning equipment that can realize that base station equipment subregion set point temperature is controlled and taken full advantage of natural cooling source.
Background technology
Energy savings and protection of the environment are two large focal spots of world today's development always, also are the two large key factors of keeping social sustainable development.Along with the development of the communication technology, the 3G network that has particularly emerged so that mobile communication base station quantity increases sharply, thereupon, also presents the trend of rapid rising for the demand of base station air conditioner.At present, the air-conditioning that China adopts the mobile communication base station is main mainly with common cabinet air-conditioner greatly, not only can not satisfy the mobile communication base station to the specific (special) requirements of air-conditioning, and energy consumption is also very large.According to the AUTHORITATIVE DATA statistics, the energy consumption of base station air conditioner will account for more than 50% of whole base station energy consumption.Current what be becoming tight global energy day, it is more urgent that the communications industry of high speed development faces energy-conservation situation.Therefore, the energy-conservation energy-saving and cost-reducing emphasis of operator that becomes of base station air conditioner will have significant economic worth and social benefit.
At present, the old base station great majority of China adopt civilian floor air conditioner or transform type, and this air conditioning mode not only can't be brought into play the design advantage of comfort air conditioning system, and can't satisfy the air-conditioning requirement of base station equipment.Simultaneously, equipment component is backward in technique or outmoded aging in addition, and operational efficiency is low, and energy consumption is huge, and reducing energy consumption is imperative.In addition, for newly-built base station, although all be provided with special-purpose base station air conditioner system, a large amount of colds is used for offsetting the thermic load in the space, base station, and only has the cold of small part to cool off base station nucleus equipment-rack and battery etc. by the form of heat convection.Meanwhile, because the heat-resisting otherness (as only having the environment of about 25 ℃ of nucleus equipment rack and battery needs, other equipment can move down about 35 ℃) of base station various kinds of equipment, so that base station air conditioner can be kept different regional environment temperature.But traditional base station air conditioner system concentrates temperature control to whole base station, causes thermoregulation slow, and energy consumption is high, is unfavorable for energy savings.
Summary of the invention
The utility model, the method for operation that is intended to transform existing base station air conditioner equipment and optimizes existing base station air conditioner equipment proposes a kind of object-oriented air-supply energy-saving air conditioning system that applies to communication base station that can take full advantage of natural cooling source.
The utility model, described air-conditioning system is comprised of indoor battery Climate Control Module, indoor machine cabinet Climate Control Module and outdoor unit modules, indoor battery Climate Control Module comprises compressor, plate type heat exchanger, heating power expansion valve, the first magnetic valve, the second magnetic valve, Constant pressure tank, glycol circulation pump, battery heat exchanger and battery speed governing axial flow blower, and battery speed governing axial flow blower is directly fixed a point to blow to battery and cooled off; The indoor machine cabinet Climate Control Module comprises rack heat exchanger and rack speed governing axial flow blower, and rack speed governing axial flow blower is directly fixed a point to blow to cabinet equipment and cooled off; Outdoor unit modules comprises cryogen chamber external condenser and condenser fan and ethylene glycol outdoor heat exchanger and the glycol-cooled fan thereof that splits up and down; Compressor is connected with cryogen chamber external condenser, heating power expansion valve and plate type heat exchanger successively by the refrigerant circulation pipeline; Plate type heat exchanger is connected with rack heat exchanger, ethylene glycol outdoor heat exchanger, battery heat exchanger, Constant pressure tank and glycol circulation pump successively by the glycol circulation pipeline; The first magnetic valve is arranged between the ethylene glycol entrance of glycol circulation pump and plate type heat exchanger; The second magnetic valve is arranged between the ethylene glycol outlet of glycol circulation delivery side of pump and plate type heat exchanger; Between the entrance of the outlet of the ethylene glycol of rack heat exchanger and ethylene glycol outdoor heat exchanger, be provided with the 3rd magnetic valve, the ethylene glycol of rack heat exchanger export and the outlet of ethylene glycol outdoor heat exchanger between, be provided with the 4th magnetic valve.Simultaneously, indoor machine cabinet Climate Control Module and indoor battery Climate Control Module can be according to the quantity of size, rack and the battery of base station, suitably increase the quantity of corresponding battery heat exchanger and speed governing axial flow blower and rack heat exchanger and speed governing axial flow blower thereof, a plurality of battery heat exchangers and a plurality of rack heat exchanger can adopt and be connected in parallel or be connected in series.Wherein, refrigerant circulation is comprised of compressor, heating power expansion valve, plate type heat exchanger, cryogen chamber external condenser and condenser fan; Ethylene glycol nature cool cycles is comprised of plate type heat exchanger, glycol circulation pump, Constant pressure tank, battery heat exchanger, rack heat exchanger, ethylene glycol outdoor heat exchanger, glycol-cooled fan and magnetic valve.
The utility model, described air-conditioning system can in indoor battery Climate Control Module, arrange the battery environment temperature sensor; In the indoor machine cabinet Climate Control Module, the cabinet environment temperature sensor is set; In the outlet of ethylene glycol outdoor heat exchanger, the ethylene glycol temperature sensor is set; In outdoor unit modules, the outdoor environment temperature sensor is set, all temperature sensors are connected with the automatic controller of air-conditioning system respectively.
The utility model, temperature according to battery environment temperature sensor, cabinet environment temperature sensor, ethylene glycol temperature sensor and outdoor environment temperature Sensor monitoring, control by the air-conditioning system automatic controller, realize refrigerant-cycle systems and ethylene glycol nature cooling recirculation system automatic switchover control, realize the annual energy-saving run of base station air conditioner.
The utility model has following features:
1, adopts the object-oriented air-supply type of cooling, for the different device requirement in base station, take the control of subregion temperature, nucleus equipment rack in the zonule and battery adopt the directly temperature control form of air-supply of fixed point, temperature is controlled at about 25 ℃, other auxiliary devices of large space adopt original air-conditioning equipment to concentrate cooling down high-temperature control or adopt ventilation form, guarantee that temperature is controlled at about 35 ℃.Like this, reduced the air-conditioning film-cooled heat, reduced the whole energy consumption of base station air conditioner, with respect to the air conditioning mode that is cooled to 25 ℃ in traditional complete set, this system estimates to save 30% above energy consumption;
2, adopt ethylene glycol nature cooling provision, at conditioning in Transition Season, the base station portion air conditioner load is born by ethylene glycol nature Cooling Air-conditioning System; In the winter time, all air conditioner loads of base station are born by ethylene glycol nature Cooling Air-conditioning System.Like this, reduce the running time of compressor and the frequent starting number of times of compressor, thereby saved electric energy, prolonged the service life of air-conditioning equipment;
3, by ethylene glycol pipeline temperature, indoor temperature and outdoor temperature, realize the reasonable switching of refrigerant circulation pattern and ethylene glycol nature cool cycles pattern, and then realize the annual energy-saving run of base station air conditioner.
Description of drawings:
Accompanying drawing 1 is air-conditioning system structural principle schematic diagram of the present utility model.
Among the figure, A, indoor set battery module B, indoor machine cabinet Climate Control Module C, outdoor unit modules 1, compressor 2, plate type heat exchanger 3, heating power expansion valve 4, cryogen chamber external heat exchanger 5, condenser fan 6, the first magnetic valve 7, the second magnetic valve 8, glycol circulation pump 9, Constant pressure tank 10, battery heat exchanger 11, battery speed governing axial flow blower 12, rack heat exchanger 13, rack speed governing axial flow blower 14, outdoor ethylene glycol heat exchanger 15, glycol-cooled fan 16, the 3rd magnetic valve 17, the 4th magnetic valve 18, battery environment temperature sensor 19, cabinet environment temperature sensor 20, ethylene glycol temperature sensor 21, the outdoor environment temperature sensor.
The specific embodiment:
With reference to Fig. 1, a kind of object-oriented air-supply energy-saving air conditioning system that applies to communication base station, formed by indoor battery Climate Control Module A, indoor machine cabinet Climate Control Module B and outdoor unit modules C, indoor battery Climate Control Module A comprises compressor 1, plate type heat exchanger 2, heating power expansion valve 3, the first magnetic valve 6, the second magnetic valve 7, Constant pressure tank 9, glycol circulation pump 8, battery heat exchanger 10 and battery speed governing axial flow blower 11, the cooling of directly blowing of 11 pairs of batteries of speed governing axial flow blower; Indoor machine cabinet Climate Control Module B comprises rack heat exchanger 12 and rack speed governing axial flow blower 13, the cooling of directly blowing of 13 pairs of cabinet equipments of speed governing axial flow blower; Outdoor unit modules comprises cryogen chamber external condenser 4 and condenser fan 5 and ethylene glycol outdoor heat exchanger 14 and the glycol-cooled fan 15 thereof that splits up and down; Compressor 1 is connected with plate type heat exchanger with cryogen chamber external condenser 4, heating power expansion valve 3 successively by the refrigerant circulation pipeline and is connected; Plate type heat exchanger 2 is connected with the glycol circulation pump with rack heat exchanger 12, ethylene glycol outdoor heat exchanger 14, battery heat exchanger 10, Constant pressure tank 9 successively by the glycol circulation pipeline and is connected; The first magnetic valve 6 is arranged between the ethylene glycol entrance of glycol circulation pump 8 and plate type heat exchanger 2; The second magnetic valve 7 is arranged between the ethylene glycol outlet of the outlet of glycol circulation pump 8 and plate type heat exchanger 2; Between the entrance of the outlet of the ethylene glycol of rack heat exchanger 12 and ethylene glycol outdoor heat exchanger 14, be provided with the 3rd magnetic valve 16, the ethylene glycol of rack heat exchanger 12 export and the outlet of ethylene glycol outdoor heat exchanger 14 between, be provided with the 4th magnetic valve 17.In indoor battery Climate Control Module A, be provided with battery environment temperature sensor 18; In indoor machine cabinet Climate Control Module B, be provided with cabinet environment temperature sensor 19; In the outlet of ethylene glycol outdoor heat exchanger 14, be provided with ethylene glycol temperature sensor 20; In outdoor unit modules C, be provided with outdoor environment temperature sensor 21, all temperature sensors are connected with the automatic controller of air-conditioning system respectively.In the indoor machine cabinet Climate Control Module, adopt two rack heat exchangers 12 that are connected in parallel and corresponding two speed governing axial flow blowers 13.Wherein, refrigerant-cycle systems is comprised of compressor 1, heating power expansion valve 3, plate type heat exchanger 2, cryogen chamber external condenser 4 and condenser fan 5; Ethylene glycol nature cooling recirculation system is comprised of plate type heat exchanger 2, glycol circulation pump 8, Constant pressure tank 9, battery heat exchanger 10 and speed governing axial flow blower 11 thereof, rack heat exchanger 12 and speed governing axial flow blower 13 thereof, ethylene glycol outdoor heat exchanger 14, glycol-cooled fan 15 and conversion electromagnetic valve.
The operation method of the present embodiment air-conditioning system, system is different in the environment temperature of summer, conditioning in Transition Season and winter operation according to base station air-conditioning, by the automatic switchover of magnetic valve, realize complete refrigerant circulation operational mode, cold-producing medium and the ethylene glycol nature common operational mode of cool cycles and complete ethylene glycol nature cool cycles operational mode:
Adopt complete refrigerant-cycle systems during refrigerating operaton summer, at this moment, closes the second magnetic valve 7 and the 3rd magnetic valve 16, opens the first magnetic valve 6 and the 4th magnetic valve 17.After the cold-producing medium of HTHP is discharged by compressor 1, after entering heating power expansion valve 3 reducing pressure by regulating flows after 4 coolings of cryogen chamber external heat exchanger, by plate type heat exchanger 2 evaporation endothermics, get back to compressor 1, finish kind of refrigeration cycle; Simultaneously, the cold of being produced by refrigerant evaporator cools by 2 pairs of ethylene glycol of plate type heat exchanger, low-temperature glycol is under the effect of glycol circulation pump 8, low-temperature glycol is from the outlet of plate type heat exchanger 2, pass through successively rack heat exchanger 12(to the cabinet equipment cooling by the glycol circulation pipeline), the 4th magnetic valve 17, battery heat exchanger 10(accumulators cooling), Constant pressure tank 9, glycol circulation pump 8 and the first magnetic valve 6 get back in the plate type heat exchanger 2, finishes glycol circulation;
During the conditioning in Transition Season refrigerating operaton, when outdoor environment temperature is lower than indoor environment more than 5 ℃, can open the ethylene glycol Cooling System, at this moment, the ethylene glycol Cooling System possibly can't satisfy the base station air conditioner needs fully, also needs the auxiliary operation of refrigerant-cycle systems.When outdoor environment temperature reduces, at first can by reducing the rotating speed of speed governing axial flow blower 11 and speed governing axial flow blower 13, reduce air output; If controlled environment temperature is still on the low side, at this moment, close the first magnetic valve 6 and the 4th magnetic valve 17, open the second magnetic valve 7 and the 3rd magnetic valve 16, close refrigerant-cycle systems, open the ethylene glycol Cooling System to base station storage batteries and rack cooling.Idiographic flow is: the low-temperature glycol that obtains after ethylene glycol outdoor heat exchanger 14 and the outdoor environment heat exchange, under the effect of glycol circulation pump 8, low-temperature glycol passes through battery heat exchanger 10(accumulators cooling successively from the outlet of ethylene glycol outdoor heat exchanger 14), Constant pressure tank 9, glycol circulation pump 8, the second magnetic valve 7, indoor cabinet heat exchanger 12(be to the cabinet equipment cooling) and the 3rd magnetic valve 16 get back to ethylene glycol outdoor heat exchanger 14 to the outdoor environment heat release, finish ethylene glycol nature cool cycles.If natural cooling can't meet the demands, still need to open refrigerant-cycle systems and replenish.At this moment, close the second magnetic valve 7 and the 4th magnetic valve 17, open the first magnetic valve 6 and the 3rd magnetic valve 16, realize that refrigerant circulation and glycol circulation are indoor cooling simultaneously.
In winter refrigeration when operation, is when outdoor temperature is lower than 0 ℃ or when lower, Glycol Circulation System almost can satisfy the air-conditioning requirement of indoor base station equipment, the areas such as northeast, northwest and North China that outdoor temperature is lower especially in the winter time fully.At this moment, the temperature value by outdoor temperature sensor 21 and ethylene glycol pipeline temperature sensor 20 show automatically switches into ethylene glycol and naturally cools off the method for operation.Close the first magnetic valve 6 and the 4th magnetic valve 17, open the second magnetic valve 7 and the 3rd magnetic valve 16, close refrigerant-cycle systems, open the ethylene glycol Cooling System to base station storage batteries and rack cooling.Idiographic flow is: the low-temperature glycol that obtains after ethylene glycol outdoor heat exchanger 14 and the outdoor environment heat exchange, under the effect of glycol circulation pump 8, low-temperature glycol passes through battery heat exchanger 10(accumulators cooling successively from the outlet of ethylene glycol outdoor heat exchanger 14), Constant pressure tank 9, glycol circulation pump 8, the second magnetic valve 7, indoor cabinet heat exchanger 12(be to the cabinet equipment cooling) and the 3rd magnetic valve 16 get back to ethylene glycol outdoor heat exchanger 14 to the outdoor environment heat release, finish ethylene glycol nature cool cycles; Reduce when outdoor environment temperature is lasting, at this moment, the ethylene glycol temperature is also lower, and indoor thermic load reduces the rotating speed of speed governing axial flow blower 11 and speed governing axial flow blower 13 still less than refrigerating capacity, keeps the suitable environment temperature of base station equipment.When if outdoor environment temperature is low especially, then automatically detect ethylene glycol pipeline temperature and rack and battery environment temperature, when rack and battery environment temperature all reach the lower control limit value, close ethylene glycol nature cooling recirculation system, until controlled environment temperature when rising to permissible value, is opened again.Above-mentioned a series of control measure, all feasible system is controlled automatically.
The utility model, object-oriented air-supply cooling ethylene glycol base station air-conditioning system organically connects refrigerant-cycle systems and natural cooling recirculation system by plate type heat exchanger, unites to base station nucleus equipment cooling.On the one hand by the distribution type of cooling, the nucleus equipment of zonule adopts the suitable low temperature control measure of fixed point accurate air-feeding, large zone is adopted and is concentrated the air-supply high-temperature control or adopt ventilation form, reduced the air-conditioning film-cooled heat, to reach the energy consumption that reduces base station air conditioner, improve the Energy Efficiency Ratio of base station air conditioner operation; Simultaneously, on the other hand, at conditioning in Transition Season with take full advantage of outdoor natural cooling source winter and cool off base station equipment, reduce running time and the frequent starting number of times of compressor, not only saved electric energy, and prolonged the life-span of air-conditioning equipment.
Claims (2)
1. object-oriented air-supply energy-saving air conditioning system that applies to communication base station, it is characterized in that: by indoor battery Climate Control Module (A), indoor machine cabinet Climate Control Module (B) and outdoor unit modules (C) form, indoor battery Climate Control Module (A) comprises compressor (1), plate type heat exchanger (2), heating power expansion valve (3), the first magnetic valve (6), the second magnetic valve (7), Constant pressure tank (9), glycol circulation pump (8), battery heat exchanger (10) and battery speed governing axial flow blower (11), speed governing axial flow blower (11) are directly fixed a point to blow to battery and are cooled off; Indoor machine cabinet Climate Control Module (B) comprises rack heat exchanger (12) and rack speed governing axial flow blower (13), and speed governing axial flow blower (13) is directly fixed a point to blow to cabinet equipment and cooled off; Outdoor unit modules comprises cryogen chamber external condenser (4) and condenser fan (5) and ethylene glycol outdoor heat exchanger (14) and the glycol-cooled fan (15) thereof that splits up and down; Compressor (1) is connected 2 with cryogen chamber external condenser (4), heating power expansion valve (3) with plate type heat exchanger successively by the refrigerant circulation pipeline) be connected; Plate type heat exchanger (2) is connected 8 with rack heat exchanger (12), ethylene glycol outdoor heat exchanger (14), battery heat exchanger (10), Constant pressure tank (9) with the glycol circulation pump successively by the glycol circulation pipeline) be connected; The first magnetic valve (6) is arranged between the ethylene glycol entrance of glycol circulation pump (8) and plate type heat exchanger (2); The second magnetic valve (7) is arranged between the ethylene glycol outlet of the outlet of glycol circulation pump (8) and plate type heat exchanger (2); Between the entrance of the outlet of the ethylene glycol of rack heat exchanger (12) and ethylene glycol outdoor heat exchanger (14), be provided with the 3rd magnetic valve (16), between the outlet of the outlet of the ethylene glycol of rack heat exchanger (12) and ethylene glycol outdoor heat exchanger (14), be provided with the 4th magnetic valve (17).
2. air-conditioning system according to claim 1 is characterized in that: in indoor battery Climate Control Module (A), be provided with battery environment temperature sensor (18); In indoor machine cabinet Climate Control Module (B), be provided with cabinet environment temperature sensor (19); Outlet in ethylene glycol outdoor heat exchanger (14) is provided with ethylene glycol temperature sensor (20); In outdoor unit modules (C), be provided with outdoor environment temperature sensor (21), all temperature sensors are connected with the automatic controller of air-conditioning system respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204005655U CN202734067U (en) | 2012-08-10 | 2012-08-10 | Object-oriented air supplying energy-saving type air conditioning system applied to communication base station |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012204005655U CN202734067U (en) | 2012-08-10 | 2012-08-10 | Object-oriented air supplying energy-saving type air conditioning system applied to communication base station |
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| CN202734067U true CN202734067U (en) | 2013-02-13 |
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| CN2012204005655U Withdrawn - After Issue CN202734067U (en) | 2012-08-10 | 2012-08-10 | Object-oriented air supplying energy-saving type air conditioning system applied to communication base station |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102777981A (en) * | 2012-08-10 | 2012-11-14 | 广东吉荣空调有限公司 | Energy-saving air-conditioning system used for communication base station and capable of supplying air in object-oriented mode and running method thereof |
-
2012
- 2012-08-10 CN CN2012204005655U patent/CN202734067U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102777981A (en) * | 2012-08-10 | 2012-11-14 | 广东吉荣空调有限公司 | Energy-saving air-conditioning system used for communication base station and capable of supplying air in object-oriented mode and running method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130213 Effective date of abandoning: 20140430 |
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| RGAV | Abandon patent right to avoid regrant |