CN101514837A - Communication base station air conditioner comprehensive energy-saving system - Google Patents
Communication base station air conditioner comprehensive energy-saving system Download PDFInfo
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- CN101514837A CN101514837A CNA2008100808126A CN200810080812A CN101514837A CN 101514837 A CN101514837 A CN 101514837A CN A2008100808126 A CNA2008100808126 A CN A2008100808126A CN 200810080812 A CN200810080812 A CN 200810080812A CN 101514837 A CN101514837 A CN 101514837A
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Abstract
The invention provides a communication base station air conditioner comprehensive energy-saving system aiming at controlling the air conditioner electricity consumption generated by the requirement of environmental temperature of a communication base station. The system takes the base station as a whole, takes high molecular foam plates as inner wall insulating enclosure, uses an exhaust fan to position a heat source in a machine room and exhaust heat, and uses one frequency converter with PLC function to sequentially control soft start frequency conversion running of the exhaust fan, soft start frequency conversion running of a main air conditioner and soft start frequency conversion running of an auxiliary air conditioner according to the requirements of temperature signal feedback and temperature control power so as to realize energy conservation of the air conditioner of the communication base station or machine room. The system is suitable for environments and installation conditions of most base stations and machine rooms, has small investment and convenient installation, does not require complex technical equipment, and can effectively save energy consumption of the air conditioner of the base station by 40 to 70 percent and effectively prolong the service life of air-conditioning units.
Description
Affiliated technical field
A kind of comprehensive energy-saving system that is used for communication machine room is especially for the comprehensive energy-saving system of communication base station air conditioner.
Background technology
Base station communication equipment is mainly by machine room carrying and forms the communication system operational network, and present China has become the big communication of the first in the world big country, and mobile macro base station, machine room quantity are huge---and only the mobile base station is about 35 to 400,000; According to data statistics analyse, the base station air conditioner electricity charge expenditure that the service equipment environment temperature requires on average accounts for about 54% of whole base station electricity charge expenditure, and air-conditioning becomes the main current consuming apparatus in the base station machine room.Existing power-saving technology is normally considered the enforcement of power-saving technology from the part, there is problem such as have high input, air conditioner energy saving efficient is not high and the equipment mounting condition is restricted, mainly contain the compressor air-conditioning frequency conversion and adopt the so-called notional energy-saving technological measure that cools off air-conditioning naturally of introducing new wind, the heat pipe scheme done of Tsing-Hua University and China Mobile's Guangzhou Branch and similarly heat exchange scheme in addition are because problems such as equipment cost and mounting condition can not be applicable to the situation of great majority base station in the building of city.
Summary of the invention
The present invention, a kind of comprehensive energy-saving system of the air-conditioning power consumption that produces at the environment temperature requirement of control communication base station is provided, only with the frequency converter of a band PLC function as control system and adopt the heat insulation and location heat release of interior wall, it can be suitable for the environment and the mounting condition at most machines station, invest little, be convenient to install and do not need complicated technology equipment, can effectively save base station air conditioner 40-70% energy consumption, effectively prolong the service life of air-conditioning unit simultaneously.
The technical solution adopted in the present invention is, regard machine room as an integral body, its thermal source is from outside and inner two aspects, outside environment temperature mainly passes heat into indoor by the heat conduction of machine room wall, the machine room internal heat resource mainly comes from the sensible heat of equipment itself, under the appointed condition of and energy-saving efficiency difference big at density of equipment height, power, the contribution proportion of the inner sensible heat of machine room often accounts for major part; Adopt the heat insulation mode of interior wall to reduce importing into of outside heat, the discharge that the mode of employing location heat extraction solves indoor equipment caloric value (sensible heat) under the machine room ambient temperature situation in higher (summer), is used the compressor air-conditioning converting operation.
Above-mentioned interior wall insulating portion is pasted interior wall wall and roof with foam board, forms the heat insulation layer of going along with sb. to guard him of interior wall, and thickness is at the 5-15 centimetre, and the roof according to circumstances can adopt the polymeric membrane inflatable packer to substitute foam board, plays heat insulation and the effect of dwindling indoor refrigeration space.
Above-mentioned location heat extraction part; exhaust outlet is set and exhaust blower is installed at wall; exhaust blower is positioned at suction opeing by exhaust column the heat source position top (normally on the exhaust outlet of equipment cabinets) of equipment; form indoor negative pressure during exhaust blower work; air inlet and the exhaust blower of offering the band air filter in the lower end of machine room door form indoor heat extraction and natural cooling system; exhaust blower power is by the PLC Frequency Converter Control of temperature control system, and the unidirectional shutter of exhaust blower and the air filter of air inlet play the effect of isolating dust, protection indoor air environment.
Above-mentioned refrigeration system (being generally main air-conditioning and secondary air-conditioning), by the PLC Frequency Converter Control, after the exhaust blower converting operation reaches full load (power frequency state) and keeps certain hour, frequency converter PLC soft start master air-conditioning converting operation, after main air-conditioning reaches full load (power frequency state) and keeps certain hour, the secondary air-conditioning frequency conversion work of PLC soft start.Whole temperature controlled processes feeds back and the temperature control power demand according to temperature signal by the LPC of the frequency converter of a band PLC function, and when the temperature control power demand raise: soft start exhaust blower converting operation was until reaching power frequency, soft start master air-conditioning converting operation until reaching power frequency, the secondary air-conditioning converting operation of soft start successively; When the temperature control power demand descends, secondary air-conditioning frequency conversion, close, main air-conditioning frequency conversion, close, the exhaust blower frequency conversion, close.
Adopt technique scheme, communication base station is at first eliminated main cause---the problem of indoor and outdoor thermal source that forms air conditioning energy consumption, reach temperature control in temperature and at first start exhaust blower in limited time and position heat extraction and cooling naturally, soft start master air-conditioning, secondary air-conditioning converting operation successively again after exhaust blower work reaches full load and continues for some time.Thisly only use the PLC frequency converter of a band PLC function and with heat extraction and be cooled to main temperature-controlling system naturally, can be on the basis that minimum drops into the effective energy consumption of reduction base station air conditioner, and can be fit to the environmental condition of nearly all communication base station.Independent experiment according to above-mentioned several measures, the heat insulation energy consumption that reduces base station air conditioner 10-15% that interior wall is gone along with sb. to guard him, the indoor positioning heat extraction can reduce the energy consumption of base station air conditioner 15-20%, and the soft start of frequency converter and frequency conversion function can not only effectively reduce exhaust blower, air conditioning energy consumption 20-30% and can effectively reduce the loss of exhaust blower, air-conditioning unit and prolong its service life, and the synthesis energy saving effect is at 40-70%.
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is communication base station plane and the device layout schematic diagram of embodiment
Fig. 2 is the air inlet structure schematic diagram of location heat release
Fig. 3 is the mounting structure schematic diagram of location heat release
Fig. 4 is indoor temperature control logic figure
Among the figure, 1. base station door, 2. air inlet, 3. wall, 4. interior wall thermal insulation layer, 5. exhaust blower, 6. exhaust blower exhaust column, 7. communication apparatus, 8. main air-conditioning, 9. secondary air-conditioning, 10.PLC frequency converter, the unidirectional shutter of 11. exhaust blowers, 12. communication apparatus cabinet exhaust outlets.
Among Fig. 4, the PLC of PLC frequency converter is by temperature signal FEEDBACK CONTROL exhaust blower (5), main air-conditioning (8) and secondary air-conditioning (9); When the temperature control power demand increased, device start and running status program were: exhaust blower soft start, converting operation, power frequency operation, main air conditioner soft start-up, converting operation, power frequency operation, secondary air conditioner soft start-up, converting operation; When the temperature control power demand reduces, secondary air-conditioning converting operation, to close, main air-conditioning converting operation is closed, and the exhaust blower converting operation, closes.
Be a mobile communication macro base station among the embodiment, about 15 square metres of careat is done interior wall with hard polyurethane foam sheet material and is gone along with sb. to guard him, 6 centimeters of thickness; Offer exhaust outlet above indoor outer wall displacement, exhaust blower (5) is installed, exhaust blower power is 300W, and exhaust blower exhaust column (6) mouth is positioned at equipment cabinets exhaust outlet (12) top, and air inlet (2) is installed in the below of base station door (1); When indoor temperature reaches the control point, the PLC of frequency converter (10) at first starts the location heat release and controls the rotating speed (frequency) of blower fan by temperature feedback signal, after exhaust blower (5) reaches full load (power frequency state) and keeps certain hour, the PLC soft start master air-conditioning converting operation of frequency converter (10), after main air-conditioning reaches full load (power frequency state) and keeps a period of time, the secondary air-conditioning converting operation of PLC soft start; In whole temperature control process, the PLC of PLC frequency converter (10) bears whole control functions of temperature control system, and frequency converter following of all ruuning situations to a loaded work piece.In whole temperature control process, mainly by the location heat release---exhaust blower (5) and main air-conditioning (8) are born the indoor temperature control of macro base station, secondary air-conditioning does not move basically, test run through one month, compare with original base station air conditioner (same period last year) power consumption, the average power saving rate of air-conditioning reaches 55-73%.
In the foregoing description, the PLC frequency converter is selected DELTA company product, power 3.5KW for use.
Claims (6)
1. one kind is used for communication machine room, the energy-conservation integrated system of base station air conditioner electricity consumption, and it is made up of insulation system, heat extraction and natural cooling system, refrigeration system and temperature control system four parts, it is characterized in that insulation system is gone along with sb. to guard him as interior wall by foam board to constitute; Location heat extraction and natural cooling system are made up of exhaust blower (5), air inlet (2), exhaust outlet is set and exhaust blower (5) is installed at the machine room wall, exhaust blower exhaust column (6) mouth is positioned at the indoor thermal source of machine room---top, equipment cabinets exhaust outlet (12) position, at the air inlet (2) of the lower end of base station door (1) mounting strap air filter; Refrigeration system is made up of main air-conditioning (8) and secondary air-conditioning (9), control system is the PLC of temperature sensor and PLC frequency converter (10), realizes the soft start of exhaust blower (5) and according to temperature signal control rotating speed (frequency conversion) operation, main air-conditioning (8) soft start and according to the soft start of temperature signal control converting operation and secondary air-conditioning (9) and according to temperature signal control converting operation; When indoor temperature reaches temperature controlling point, the PLC of PLC frequency converter (10) at first starts exhaust blower, after exhaust blower (5) power reaches full load (power frequency state) and keeps a period of time, the PLC soft start master air-conditioning converting operation of PLC frequency converter (10), the secondary air-conditioning converting operation of the PLC soft start of PLC frequency converter (10) after main air-conditioning power reaches full load (power frequency state) and keeps a period of time.
2. communication base station air conditioner comprehensive energy-saving system according to claim 1 is characterized in that: interior wall thermal insulation layer (4) material adopts the macromolecule foam board, and the roof adopts macromolecule foam board or polymeric membrane inflatable packer.
3. communication base station air conditioner comprehensive energy-saving system according to claim 1, it is characterized in that: the power (rotating speed) of indoor exhaust wind machine (5) is controlled according to temperature signal by the PLC of PLC frequency converter (10), exhaust blower exhaust column (6) mouth is positioned at the top of indoor communication apparatus exhaust outlet (10), and air inlet (2) is installed in the machine room door lower end.
4. according to claim 1 and claim 3 described communication base station air conditioner comprehensive energy-saving systems; it is characterized in that: the exhaust blower outdoor section has a unidirectional shutter; air inlet (2) has air filter, with the outer dust of isolating chamber, protection indoor air environment.
5. communication base station air conditioner comprehensive energy-saving system according to claim 1 is characterized in that: the performing a programme of temperature control system is realized by a PLC who has the PLC frequency converter (10) of PLC function.
6. according to claim 1 and the described communication base station air conditioner comprehensive energy-saving system of claim 5, it is characterized in that: the startup of indoor temperature controlling instruments---exhaust blower, air-conditioning and running status program are: when the temperature control power demand increases, exhaust blower soft start, converting operation, power frequency operation, main air conditioner soft start-up, converting operation, power frequency operation, secondary air conditioner soft start-up, converting operation; When the temperature control power demand reduces, secondary air-conditioning converting operation, to close, main air-conditioning converting operation is closed, and the exhaust blower converting operation, closes; The frequency conversion function of PLC frequency converter (10) is all the time only to a loaded work piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100808126A CN101514837A (en) | 2008-02-18 | 2008-02-18 | Communication base station air conditioner comprehensive energy-saving system |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2008100808126A CN101514837A (en) | 2008-02-18 | 2008-02-18 | Communication base station air conditioner comprehensive energy-saving system |
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| CN101514837A true CN101514837A (en) | 2009-08-26 |
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| CNA2008100808126A Pending CN101514837A (en) | 2008-02-18 | 2008-02-18 | Communication base station air conditioner comprehensive energy-saving system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101893301A (en) * | 2010-07-12 | 2010-11-24 | 孟翔鸣 | Heat removal and temperature control energy-saving system for mobile communication base station |
| CN102032631A (en) * | 2010-12-30 | 2011-04-27 | 贵州贵航汽车零部件股份有限公司 | Heat-pipe heat exchanging device for heat absorbing water curtain of integrated heating machine room |
| CN102306044A (en) * | 2011-07-19 | 2012-01-04 | 中国石油化工股份有限公司江汉油田分公司物探研究院 | Automatic control refrigeration system for high-density computer room and method thereof |
| CN103216903A (en) * | 2013-05-02 | 2013-07-24 | 昆山工统环保机械有限公司 | Ventilation device |
| CN104848469A (en) * | 2014-02-19 | 2015-08-19 | 陈文斌 | Base station air-conditioning intermittent temperature control system |
| CN116321977A (en) * | 2023-03-28 | 2023-06-23 | 湖南友通科技集团有限公司 | Energy-saving temperature control device for air conditioner of base station machine room |
-
2008
- 2008-02-18 CN CNA2008100808126A patent/CN101514837A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101893301A (en) * | 2010-07-12 | 2010-11-24 | 孟翔鸣 | Heat removal and temperature control energy-saving system for mobile communication base station |
| CN102032631A (en) * | 2010-12-30 | 2011-04-27 | 贵州贵航汽车零部件股份有限公司 | Heat-pipe heat exchanging device for heat absorbing water curtain of integrated heating machine room |
| CN102306044A (en) * | 2011-07-19 | 2012-01-04 | 中国石油化工股份有限公司江汉油田分公司物探研究院 | Automatic control refrigeration system for high-density computer room and method thereof |
| CN103216903A (en) * | 2013-05-02 | 2013-07-24 | 昆山工统环保机械有限公司 | Ventilation device |
| CN104848469A (en) * | 2014-02-19 | 2015-08-19 | 陈文斌 | Base station air-conditioning intermittent temperature control system |
| CN104848469B (en) * | 2014-02-19 | 2017-06-06 | 陈文斌 | A kind of base station air conditioner interval temperature control system |
| CN116321977A (en) * | 2023-03-28 | 2023-06-23 | 湖南友通科技集团有限公司 | Energy-saving temperature control device for air conditioner of base station machine room |
| CN116321977B (en) * | 2023-03-28 | 2023-12-19 | 湖南友通科技集团有限公司 | Energy-saving temperature control device for air conditioner of base station machine room |
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Open date: 20090826 |