CN101206066A - Method for regulating energy-saving run of central air conditioning system - Google Patents
Method for regulating energy-saving run of central air conditioning system Download PDFInfo
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- CN101206066A CN101206066A CNA2006101695056A CN200610169505A CN101206066A CN 101206066 A CN101206066 A CN 101206066A CN A2006101695056 A CNA2006101695056 A CN A2006101695056A CN 200610169505 A CN200610169505 A CN 200610169505A CN 101206066 A CN101206066 A CN 101206066A
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Abstract
The invention provides an energy saving adjusting method of a central air conditioning system which relates to the air conditioning system technical field in civil architecture. The method of the invention comprises the following steps that: 1) when the outdoor air temperature is between 23 to 25 DEG C, the indoor temperature of the air conditioner is set to 25 DEG C; 2) when the outdoor air temperature is between 25 and 35DEG C, the indoor temperature of the air conditioner is set to tn=25+0.3x(tw-25), wherein, tw is the outdoor air temperature;3)when the outdoor air temperature is above 35 DEG C, the indoor temperature of the air conditioner is set to 28 DEG C; 4) when the outdoor air temperature is between 7 and 12 DEG C, the indoor temperature of the air conditioner is set to tn=22-0.21x(7-tw); 5) when the outdoor air temperature is 12DEG C below zero, the indoor temperature of the air conditioner is set to18 DEG C. Compared with the prior, the method of the invention can efficiently reduce the operation consumption of the central air conditioning systems, improve human sense of comfort and efficiently avoid the occurrence of air conditioning sickness.
Description
Technical field
The present invention relates to civil buildings central air conditioner system technical field, the particularly control method of central air conditioner system energy-saving run.
Background technology
At present, the design of civil buildings central air conditioner system with the operation be that the indoor air temperature of air conditioner surroundings is invariable, for example, summer all the time with indoor air temperature constant be 24-28 ℃, its medium-to-high grade civil buildings are got value on the low side, and low and middle-grade civil buildings are got higher value; And winter all the time with indoor air temperature constant be 18-22 ℃, its medium-to-high grade civil buildings are got higher value, low and middle-grade civil buildings are got value on the low side.This central air conditioner system often causes the bigger temperature difference of indoor and outdoor, and operation energy consumption is big.Simultaneously, because human body rests in the air conditioner surroundings of constant relatively lower temp for a long time, cause sweat gland of skin contraction, thrombosis, nerve dysfunction etc. easily, occur " air-conditioning adaptation insufficiency disorder ", be i.e. so-called " air conditioner disease " in summer.
Summary of the invention
In order to overcome the shortcoming that exists in the above-mentioned prior art, the invention provides a kind of control method of central air conditioner system energy-saving run.This method can effectively reduce the operation energy consumption of central air conditioner system, improves human sense of comfort, prevents that effectively " air conditioner disease " takes place.
In order to realize the foregoing invention purpose, technical scheme of the present invention realizes as follows:
A kind of control method of central air conditioner system energy-saving run, its key step is:
When 1. outside air temperature was 23-25 ℃, setting the room conditioning temperature was 25 ℃;
When 2. outside air temperature is 25-35 ℃, set the room conditioning temperature
Tn=25+0.3* (tw-25), tw are outside air temperature;
3. outside air temperature is higher than when being 35 ℃, and setting the room conditioning temperature is 28 ℃;
When 4. outside air temperature is 7--12 ℃, set the room conditioning temperature
tn＝22-0.21*(7-tw)；
When 5. outside air temperature was lower than-12 ℃, setting the room conditioning temperature was 18 ℃.
The present invention can adopt different design and runtime value with indoor air-conditioner temperature according to the difference of outside air temperature owing to adopted technique scheme.In summer, suitably improve the room conditioning temperature; In the winter time, suitably reduce the room conditioning temperature; In different outdoor temperature sections, be respectively equipped with different room conditioning variations in temperature relational expressions.
Below in conjunction with accompanying drawing with specifically execute mode the present invention will be further described.
Description of drawings
Accompanying drawing is the graph of a relation that room conditioning temperature of the present invention changes with outside air temperature.
The specific embodiment
Referring to accompanying drawing, abscissa is that outside air temperature changes axle among the figure, and tw represents outside air temperature, unit ℃; Ordinate is a room conditioning variations in temperature axle among the figure, and tn represents the room conditioning temperature, unit ℃.
According to the difference of outdoor temperature, the indoor air temperature of air conditioner surroundings adopts different design and runtime value, and its main regulating step is:
When 1. outside air temperature was 23-25 ℃, setting the room conditioning temperature was 25 ℃;
When 2. outside air temperature is 25-35 ℃, set the room conditioning temperature
tn＝25+0.3*(tw-25)；
3. outside air temperature is higher than when being 35 ℃, and setting the room conditioning temperature is 28 ℃;
When 4. outside air temperature is 7--12 ℃, set the room conditioning temperature
tn＝22-0.21*(7-tw)；
When 5. outside air temperature was lower than-12 ℃, setting the room conditioning temperature was 18 ℃.
When outside air temperature was 7-23 ℃, indoor heat and building enclosure heat radiation were in poised state substantially, use the air-conditioning system of regulative mode of the present invention out of service, and indoor air temperature fluctuates between 22-25 ℃.
With the Beijing area office building is example, and the energy-saving effect that the present invention has sees Table one and table two:
Table one: the air-conditioner host energy-saving analysis (every kW air-conditioner host power) of using control method of the present invention
| Outdoor temperature (℃) | Mean temperature (℃) | Duration (my god) | The indoor temperature of existing design and operating scheme (℃) | Indoor temperature of the present invention (℃) | The air-conditioner host rate of load condensate (%) of existing design and operating scheme | Air-conditioner host rate of load condensate of the present invention (%) | The air-conditioner host power consumption (kWh) of existing design and operating scheme | Air-conditioner host amount of energy saving of the present invention (kWh) | Remarks |
| ≤-12 | -12 | 22 | 22 | 18 | 100.0％ | 84.0％ | 220.00 | 35.20 | |
| -12~-9 | -10.5 | 17 | 22 | 18.3 | 90.5％ | 77.1％ | 153.85 | 22.77 | |
| -9~-7 | -8 | 12 | 22 | 18.8 | 80.1％ | 69.8％ | 96.12 | 12.30 | |
| -7-5 | -6 | 12 | 22 | 19.3 | 71.7％ | 64.0％ | 86.04 | 9.29 | |
| -5~-3 | -4 | 12 | 22 | 19.7 | 63.4％ | 57.6％ | 76.08 | 7.00 | |
| -3~-1 | -2 | 12 | 22 | 20.1 | 55.0％ | 50.8％ | 66.00 | 5.02 | |
| -1~1 | 0 | 12 | 22 | 20.5 | 46.7％ | 43.9％ | 56.04 | 3.36 | |
| 1~3 | 2 | 12 | 22 | 20.9 | 38.7％ | 37.0％ | 46.44 | 2.04 | |
| 3~5 | 4 | 12 | 22 | 21.4 | 30.7％ | 30.0％ | 36.84 | 0.88 | |
| 5-7 | 6 | 12 | 22 | 21.8 | 26.7％ | 26.5％ | 32.04 | 0.26 | |
| 7~23 | 115 | ||||||||
| 23~25 | 24 | 16 | 25 | 25 | 22.2％ | 22.2％ | 35.52 | 0.00 | |
| 25~27 | 26 | 16 | 25 | 25.3 | 35.6％ | 34.9％ | 56.96 | 1.11 | |
| 27~29 | 28 | 16 | 25 | 25.9 | 48.9％ | 46.0％ | 78.24 | 4.58 | |
| 29~31 | 30 | 16 | 25 | 26.5 | 63.0％ | 56.9％ | 100.80 | 9.83 | |
| 31~33 | 32 | 16 | 25 | 27.1 | 77.8％ | 67.2％ | 124.48 | 16.99 | |
| 33~35 | 34 | 16 | 25 | 27.7 | 92.6％ | 76.3％ | 148.16 | 26.00 | |
| ≥35 | 35 | 19 | 25 | 28 | 100.0％ | 80.5％ | 190.00 | 37.05 | |
| Amount to | 365 | 1603.6 | 193.7 | 12.1％ |
Table two: the air-conditioning unit energy-saving analysis (every kW power of fan) of using control method of the present invention
| Outdoor temperature (℃) | Mean temperature (℃) | Duration (my god) | The indoor temperature of existing design and operating scheme (℃) | Indoor temperature of the present invention (℃) | The design rate of load condensate (%) of existing design and operating scheme | Rate of load condensate of the present invention (%) | The air-conditioning unit power consumption (kWh) of existing design and operating scheme | Air-conditioning group machine amount of energy saving of the present invention (kWh) | Remarks |
| ≤-12 | -12 | 22 | 22 | 18 | 100.0％ | 84.0％ | 220.00 | 89.61 | |
| -12~-9 | -10.5 | 17 | 22 | 18.3 | 90.5％ | 77.1％ | 126.01 | 48.08 | |
| -9~-7 | -8 | 12 | 22 | 18.8 | 80.1％ | 69.8％ | 61.67 | 20.78 | |
| -7~-5 | -6 | 12 | 22 | 19.3 | 71.7％ | 64.0％ | 44.23 | 12.84 | |
| -5~-3 | -4 | 12 | 22 | 19.7 | 63.4％ | 57.6％ | 30.58 | 7.69 | |
| -3~-1 | -2 | 12 | 22 | 20.1 | 55.0％ | 50.8％ | 19.97 | 4.21 | |
| -1~1 | 0 | 12 | 22 | 20.5 | 46.7％ | 43.9％ | 12.22 | 2.07 | |
| 1~3 | 2 | 12 | 22 | 20.9 | 38.7％ | 37.0％ | 6.96 | 0.88 | |
| 3~5 | 4 | 12 | 22 | 21.4 | 30.7％ | 30.0％ | 3.47 | 0.24 | |
| 5-7 | 6 | 12 | 22 | 21.8 | 26.7％ | 26.5％ | 2.28 | 0.05 | |
| 7~23 | 115 | ||||||||
| 23~25 | 24 | 16 | 25 | 25 | 22.2％ | 22.2％ | 1.75 | 0.00 | |
| 25~27 | 26 | 16 | 25 | 25.3 | 35.6％ | 34.9％ | 7.22 | 0.41 | |
| 27~29 | 28 | 16 | 25 | 25.9 | 48.9％ | 46.0％ | 18.71 | 3.10 | |
| 29~31 | 30 | 16 | 25 | 26.5 | 63.0％ | 56.9％ | 40.01 | 10.60 | |
| 31~33 | 32 | 16 | 25 | 27.1 | 77.8％ | 67.2％ | 75.35 | 26.83 | |
| 33~35 | 34 | 16 | 25 | 27.7 | 92.6％ | 76.3％ | 127.04 | 55.84 | |
| ≥35 | 35 | 19 | 25 | 28 | 100.0％ | 80.5％ | 190.00 | 90.88 | |
| Amount to | 365 | 987.5 | 374.1 | 37.9％ |
As can be seen from Table I, using control method of the present invention is 12.1% to the air-conditioner host fractional energy savings of air-conditioning system, and as can be seen from Table II, using control method of the present invention is 37.9% to the air-conditioning unit fractional energy savings of air-conditioning system.Simultaneously, the present invention has adopted indoor design temperature with the different design and the methods of operation that change of outside air temperature, has dwindled the indoor-outdoor air temperature difference, has improved adaptability of human body and comfort, can prevent effectively that " air conditioner disease " takes place.
Claims (1)
1. the control method of a central air conditioner system energy-saving run, its key step is:
When 1. outside air temperature was 23-25 ℃, setting the room conditioning temperature was 25 ℃;
When 2. outside air temperature is 25-35 ℃, set the room conditioning temperature
Tn=25+0.3* (tw-25), tw are outside air temperature;
3. outside air temperature is higher than when being 35 ℃, and setting the room conditioning temperature is 28 ℃;
When 4. outside air temperature is 7--12 ℃, set the room conditioning temperature
tn＝22-0.21*(7-tw)；
When 5. outside air temperature was lower than-12 ℃, setting the room conditioning temperature was 18 ℃.
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| CN2006101695056A CN101206066B (en) | 2006-12-22 | 2006-12-22 | Method for regulating energy-saving run of central air conditioning system |
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| CN2006101695056A CN101206066B (en) | 2006-12-22 | 2006-12-22 | Method for regulating energy-saving run of central air conditioning system |
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| CN101206066A true CN101206066A (en) | 2008-06-25 |
| CN101206066B CN101206066B (en) | 2010-06-09 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102168877A (en) * | 2011-03-01 | 2011-08-31 | 深圳达实智能股份有限公司 | Load prediction based group control method and device for central air-conditioning system |
| CN106016610A (en) * | 2016-05-31 | 2016-10-12 | 深圳创维空调科技有限公司 | Method and system for intelligently adjusting set temperatures of air conditioning systems |
| CN112484230A (en) * | 2013-12-03 | 2021-03-12 | 三星电子株式会社 | Device and method for controlling comfort temperature of air conditioning equipment or air conditioning system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU515910B2 (en) * | 1978-10-19 | 1981-05-07 | Matsushita Electric Industrial Co., Ltd. | Air conditioning system having a plurality of indoor units |
| CN1699856A (en) * | 2005-04-26 | 2005-11-23 | 黑龙江省电信电源维护中心 | Energy-saving air conditioner with an air heat exchanger rig used in communication machine room and control method therefor |
| CN2802332Y (en) * | 2005-06-10 | 2006-08-02 | 黄真银 | Digital control energy-saving system of central air conditioner |
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2006
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102168877A (en) * | 2011-03-01 | 2011-08-31 | 深圳达实智能股份有限公司 | Load prediction based group control method and device for central air-conditioning system |
| CN102168877B (en) * | 2011-03-01 | 2013-06-12 | 深圳达实智能股份有限公司 | Load prediction based group control method and device for central air-conditioning system |
| CN112484230A (en) * | 2013-12-03 | 2021-03-12 | 三星电子株式会社 | Device and method for controlling comfort temperature of air conditioning equipment or air conditioning system |
| US11169499B2 (en) | 2013-12-03 | 2021-11-09 | Samsung Electronics Co., Ltd. | Apparatus and method for controlling comfort temperature of air conditioning device or air conditioning system |
| CN112484230B (en) * | 2013-12-03 | 2022-05-31 | 三星电子株式会社 | Device and method for controlling comfort temperature of air conditioning equipment or air conditioning system |
| CN106016610A (en) * | 2016-05-31 | 2016-10-12 | 深圳创维空调科技有限公司 | Method and system for intelligently adjusting set temperatures of air conditioning systems |
| CN106016610B (en) * | 2016-05-31 | 2019-06-11 | 深圳创维空调科技有限公司 | A kind of air-conditioning system intelligently adjusts the method and system of set temperature |
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| CN101206066B (en) | 2010-06-09 |
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