CN107676925A - A kind of method for the power consumption for calculating central air conditioner system storage cool equipment - Google Patents
A kind of method for the power consumption for calculating central air conditioner system storage cool equipment Download PDFInfo
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- CN107676925A CN107676925A CN201711200359.3A CN201711200359A CN107676925A CN 107676925 A CN107676925 A CN 107676925A CN 201711200359 A CN201711200359 A CN 201711200359A CN 107676925 A CN107676925 A CN 107676925A
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Abstract
The invention discloses a kind of method for the power consumption for calculating central air conditioner system storage cool equipment, it is characterized in that this method installs independent voltameter by the compressor and chilled water pump in central air conditioner system, and the main controller of central air conditioner system is connected with the server of local weather bureau, the N days of the server by reading and calculating local weather bureau（The same day）To the weather temperature change situation of the N+4 days, and combine the compressor of central air conditioner system and the power consumption of chilled water pump, the optimal power consumption of the final storage cool equipment for calculating the N+1 days, so as to control the storage cold of storage cool equipment, calculate simply, can effectively save the power consumption of the storage cool equipment of central air-conditioning.
Description
Technical field
The present invention relates to a kind of central air-conditioning system, particularly a kind of power consumption for calculating central air conditioner system storage cool equipment
Method.
Background technology
According to China peak, paddy period electrovalence policy（Peak height valency, paddy are at a low price）, the compressor of current central air-conditioning and freezing
Water pump often night on the day of（Paddy is at a low price）Period starts manufacture storage cold, until cold is completely stored up in cold-storage device storage, then
On the daytime of next day（Peak height valency）Period release storage cold, to provide part or all of cooling needs, can so stagger peak
Electricity consumption, play a part of saving the electricity charge., can be by entirely if the weather temperature change of next day is more or less the same with same day temperature change
Portion's storage cold is used for cooling, if next day weather temperature and same day changes in contrast are larger, such as next day weather temperature significantly drops
It is low, then only need a small amount of storage cold to freeze, but because central air-conditioning can always store up the storage cold of cold-storage device completely, this
It can cause, when secondary daily temperature reduces, to have unnecessary storage cold in cold-storage device, cause unnecessary waste, also cause electricity consumption
The increase of amount.
The content of the invention
Because the storage cold of central air conditioner system is cashed as the power consumption of storage cool equipment, storage cold and the electricity consumption for storing up cool equipment
Amount is substantially proportional to relation, therefore can control storage cold by controlling the power consumption of storage cool equipment, in order to overcome existing skill
The deficiency of art, the present invention provide a kind of simple, the effectively save power consumption of energy the calculating central air conditioner system storage cool equipment of calculating
The method of power consumption.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of method for the power consumption for calculating central air conditioner system storage cool equipment, this method pass through the compression in central air conditioner system
Machine and chilled water pump install independent voltameter, and the main controller of central air conditioner system and the server of local weather bureau are connected
Connect, the weather temperature change situation of the N days to the N+4 days of the server by reading and calculating local weather bureau, and combine
The compressor of central air conditioner system and the power consumption of chilled water pump, finally calculate the optimal power consumption of the N+1 days storage cool equipments.
The step of above method, is as follows：
（1）, the mean temperature of 8 points to 21 points of weather temperature that is read by the server of local weather bureau and calculate the N days
T00；
（2）, 6 points of the weather temperature of 22 points to the N+1 days that is read by the server of local weather bureau and calculate the N days
Mean temperature T10；
（3）, the mean temperature T of weather temperature that is read by the server of local weather bureau and calculate the N days whole days20；
（4）, the average temperature of 8 points to 20 points of weather temperature that is read by the server of local weather bureau and calculate the N+1 days
Spend T01；
（5）, 6 points of the weather temperature of 21 points to the N+2 days that is read by the server of local weather bureau and calculate the N+1 days
Mean temperature T11；
（6）, the mean temperature of weather temperature that is read by the server of local weather bureau and calculate N+2 to N+4 days whole day
T21；
（7）, calculate the power consumption W1 of optimal storage cool equipment, calculation formula is：
W1=W0* (T0*K0+ T1*K1+ T2*K2),
Wherein,
W0 is the power consumption of N days compressors and chilled water pump；
∆T0= T01/ T00；
∆T1= T11/ T10；
∆T2= T21/ T20；
K0, K1 and K2 are weight coefficient corresponding to T0, T1 and T2；
（8）, calculate W1, the as optimal power consumption of the central air conditioner system storage cool equipment of the N+1 days.
The beneficial effects of the invention are as follows：The present invention is according to reading and calculate the N days of the server of local weather bureau to N
The weather temperature change situation of+4 days, and the compressor of central air conditioner system and the power consumption of chilled water pump are combined, it is final to calculate
Go out the optimal power consumption of the N+1 days storage cool equipments, so as to control the storage cold of storage cool equipment, calculate simply, in effectively saving
Entreat the power consumption of the storage cool equipment of air-conditioning.
Embodiment
A kind of method for the power consumption for calculating central air conditioner system storage cool equipment, this method pass through in central air conditioner system
Compressor and chilled water pump install independent voltameter, and by the main controller of central air conditioner system and the server of local weather bureau
Connection, the weather temperature change situation of the N days to the N+4 days of the server by reading and calculating local weather bureau, and tie
The compressor of central air conditioner system and the power consumption of chilled water pump are closed, finally calculates the optimal use of the storage cool equipment of the N+1 days
Electricity.Because the refrigerating capacity of air-conditioning is often relevant with weather temperature, weather temperature is higher, then refrigerating capacity increase, so as to cause to use
Electricity increase, therefore, we can control storage cold by controlling the power consumption of storage cool equipment；In addition, applicant collects it
The weather condition data that central air conditioner system of the company in national more than 20 individual cities is gathered, calculate the day of various regions weather bureau
For the actual error of gas predicted value and actual weather value within 6.3%, error is smaller, improves the reliability of data source.
The step of above method, is as follows：
（1）, the mean temperature of 8 points to 21 points of weather temperature that is read by the server of local weather bureau and calculate the N days
T00.In the present embodiment, applicant obtains Zhongshan city's 8 points to 21 points of day temperature value of 25 days of August in 2017, is respectively：23
DEG C, 23 DEG C, 25 DEG C, 27 DEG C, 29 DEG C, 30 DEG C, 31 DEG C, 31 DEG C, 30 DEG C, 28 DEG C, 27 DEG C, 27 DEG C, 26 DEG C and 27 DEG C, its average temperature
Spend T00=27.4℃。
（2）, 6 points of the day temperature of 22 points to the N+1 days that is read by the server of local weather bureau and calculate the N days
The mean temperature T of degree10.Obtain Zhongshan city's August in 2017 25 days 22 points arrive August 6 points of the day temperature value of 26 days, distinguish
For：25 DEG C, 24 DEG C, 22 DEG C, 21 DEG C, 20 DEG C, 20 DEG C, 19 DEG C, 18 DEG C and 19 DEG C, its mean temperature T10=22℃。
（3）, the mean temperature T of weather temperature that is read by the server of local weather bureau and calculate the N days whole days20。
The weather temperature of Zhongshan city's whole day on the 25th of August in 2017 is obtained, is respectively：25℃、25℃、24℃、24℃、23℃、22℃、23
℃、23℃、23℃、25℃、27℃、29℃、30℃、31℃、31℃、30℃、28℃、27℃、27℃、26℃、27℃、25
DEG C, 24 DEG C and 22 DEG C, try to achieve its mean temperature T20=25.9℃。
（4）, read by the server of local weather bureau and calculate the N+1 days 8 points to 21 points of weather temperature it is flat
Equal temperature T01.Zhongshan city's 8 points to 21 points of weather temperature of 26 days of August in 2017 is obtained, is respectively：18℃、17℃、17℃、
18 DEG C, 19 DEG C, 19 DEG C, 20 DEG C, 20 DEG C, 19 DEG C, 18 DEG C, 18 DEG C, 19 DEG C, 19 DEG C and 19 DEG C, its mean temperature T01=18.6℃。
（5）, 6 points of the weather of 22 points to the N+2 days that is read by the server of local weather bureau and calculate the N+1 days
The mean temperature T of temperature11.Zhongshan city's 22 points of weather temperature for arriving 6 points of August 27 day of August 26 day in 2017 are obtained, are respectively：20
DEG C, 21 DEG C, 22 DEG C, 22 DEG C, 21 DEG C, 21 DEG C, 23 DEG C, 23 DEG C and 24 DEG C, its mean temperature T11=21.9℃。
（6）, the weather temperature that is read by the server of local weather bureau and calculate N+2 to N+4 days whole day is averaged
Temperature T21.Because data volume is too big, does not just enumerate, be computed one by one here, T21=22.3℃。
（7）, calculate the power consumption W1 of optimal storage cool equipment, calculation formula is：
W1=W0* (T0*K0+ T1*K1+ T2*K2),
Wherein,
W0 is the power consumption of N days compressors and chilled water pump；In the present embodiment, applicant uses AUX（QRD-72NW/
EB2-N3）Embedded ceiling residential central air conditioning is as experiment, its outer mechanism cold power（That is the work(of compressor and chilled water pump
Rate）For 2420W, according to known formula：One hour power consumption of air-conditioning cumulative activation=refrigeration work consumption ÷ 1000, substituting into data can obtain
The air-conditioning cumulative activation power consumption of one hour is 2.42 degree, then the electricity consumption of the same day on the 25th of August in 2017 compressor and chilled water pump
Amount（Calculated within 23 hours by darg）For：2.42*23=55.66 degree, i.e. W0=55.66.
∆T0= T01/ T00；Data are substituted into, calculate to obtain T0=0.41.
∆T1= T11/ T10；Data are substituted into, calculate to obtain T1=0.25.
∆T2= T21/ T20；Data are substituted into, calculate to obtain T2=0.13.
K0, K1 and K2 are weight coefficient corresponding to T0, T1 and T2.The weight coefficient uses normalization method by applicant
It is calculated, is computed, K0=0.6, K1=0.25, K2=0.15.
（8）, calculate W1, as the central air conditioner system optimal power consumption of storage cool equipment of the N+1 days.Above-mentioned calculating is obtained
The data obtained are updated in calculation formula, and W1=43.97 degree are finally calculated.That is in August, the 2017 storage cool equipment of 26 days is optimal
Power consumption is 43.97 degree, so as to control the storage cold of central air conditioner system equipment, for W0, its power saving rate W=
（W0-W1）/ W0*100%, result of calculation W=21%, power savings are good.
The present invention is according to reading and calculate the weather temperature change of the N days to the N+4 days of the server of local weather bureau
Situation, and the compressor of central air conditioner system and the power consumption of chilled water pump are combined, finally calculate the N+1 days and store up cool equipment
Optimal power consumption, so as to control the storage cold of storage cool equipment, calculate simply, can effectively save the use of the storage cool equipment of central air-conditioning
Electricity.
Embodiment above can not limit the protection domain of the invention, and the personnel of professional skill field are not departing from
In the case of the invention general idea, the impartial modification and change done, the scope that the invention is covered is still fallen within
Within.
Claims (2)
- A kind of 1. method for the power consumption for calculating central air conditioner system storage cool equipment, it is characterised in that this method passes through in central hollow The compressor and chilled water pump of adjusting system install independent voltameter, and by the main controller of central air conditioner system and local weather bureau Server connection, the N days of server by reading and calculating local weather bureau（The same day）To the weather temperature of the N+4 days Changing condition, and the compressor of central air conditioner system and the power consumption of chilled water pump are combined, it is cold finally to calculate the storage of the N+1 days The optimal power consumption of equipment.
- 2. the method for the power consumption according to claim 1 for calculating central air conditioner system storage cool equipment, it is characterised in that its Step is as follows：（1）, the mean temperature of 8 points to 21 points of weather temperature that is read by the server of local weather bureau and calculate the N days T00；（2）, 6 points of the weather temperature of 22 points to the N+1 days that is read by the server of local weather bureau and calculate the N days Mean temperature T10；（3）, the mean temperature T of weather temperature that is read by the server of local weather bureau and calculate the N days whole days20；（4）, the average temperature of 8 points to 20 points of weather temperature that is read by the server of local weather bureau and calculate the N+1 days Spend T01；（5）, 6 points of the weather temperature of 21 points to the N+2 days that is read by the server of local weather bureau and calculate the N+1 days Mean temperature T11；（6）, the mean temperature of weather temperature that is read by the server of local weather bureau and calculate N+2 to N+4 days whole day T21；（7）, calculate the power consumption W1 of optimal storage cool equipment, calculation formula is：W1=W0* (T0*K0+ T1*K1+ T2*K2),Wherein,W0 is the power consumption of N days compressors and chilled water pump；∆T0= T01/ T00；∆T1= T11/ T10；∆T2= T21/ T20；K0, K1 and K2 are weight coefficient corresponding to T0, T1 and T2；（8）, calculate W1, the as optimal power consumption of the central air conditioner system storage cool equipment of the N+1 days.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109343461A (en) * | 2018-11-27 | 2019-02-15 | 深圳新基点智能股份有限公司 | A kind of energy-saving control method of building automatic control system |
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| CN104913438A (en) * | 2015-05-19 | 2015-09-16 | 广州供电局有限公司 | Ice storage system control optimization method and system |
| CN106152343A (en) * | 2016-07-05 | 2016-11-23 | 西安建筑科技大学 | A kind of ice-chilling air conditioning system design optimization method based on Life cycle |
| CN205980188U (en) * | 2016-08-05 | 2017-02-22 | 上海冰核时代科技中心（有限合伙） | Ice cold -storage optimal control system based on load forecast |
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Patent Citations (5)
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| JP2003083588A (en) * | 2001-09-06 | 2003-03-19 | Sharp Corp | Power budget management device and air conditioner using it |
| CN203501387U (en) * | 2013-09-26 | 2014-03-26 | 中铁建设集团有限公司 | Ice storage control system with next day energy consumption simulation functions |
| CN104913438A (en) * | 2015-05-19 | 2015-09-16 | 广州供电局有限公司 | Ice storage system control optimization method and system |
| CN106152343A (en) * | 2016-07-05 | 2016-11-23 | 西安建筑科技大学 | A kind of ice-chilling air conditioning system design optimization method based on Life cycle |
| CN205980188U (en) * | 2016-08-05 | 2017-02-22 | 上海冰核时代科技中心（有限合伙） | Ice cold -storage optimal control system based on load forecast |
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| CN109343461A (en) * | 2018-11-27 | 2019-02-15 | 深圳新基点智能股份有限公司 | A kind of energy-saving control method of building automatic control system |
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Address after: 528400 4th floor, building 1, Daling Industrial Zone, Torch Development Zone, Zhongshan City, Guangdong Province Patentee after: Guangdong ludes Environmental Technology Co.,Ltd. Address before: 528400 4th floor, building 1, Daling Industrial Zone, Torch Development Zone, Zhongshan City, Guangdong Province Patentee before: ZHONGSHAN LOTUSAIR Co.,Ltd. |