CN109945353A - A kind of energy-saving control device and control method of data center's air conditioning terminal - Google Patents
A kind of energy-saving control device and control method of data center's air conditioning terminal Download PDFInfo
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- CN109945353A CN109945353A CN201910062408.4A CN201910062408A CN109945353A CN 109945353 A CN109945353 A CN 109945353A CN 201910062408 A CN201910062408 A CN 201910062408A CN 109945353 A CN109945353 A CN 109945353A
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000003068 static effect Effects 0.000 claims abstract description 102
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- 230000001105 regulatory effect Effects 0.000 claims abstract description 8
- 238000005057 refrigeration Methods 0.000 claims description 19
- 238000005457 optimization Methods 0.000 claims description 5
- 230000001276 controlling effect Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims 1
- 238000001816 cooling Methods 0.000 abstract description 10
- 238000005265 energy consumption Methods 0.000 abstract description 8
- 238000007664 blowing Methods 0.000 abstract 1
- 238000007710 freezing Methods 0.000 description 11
- 230000008014 freezing Effects 0.000 description 11
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 3
- 206010037660 Pyrexia Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000002826 coolant Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 208000011580 syndromic disease Diseases 0.000 description 1
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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]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The present invention provides the energy-saving control device and control method of a kind of data center's air conditioning terminal, applies in the data center's air conditioning terminal structure being made of chilled water coil, blower, regulating valve, speed regulation executive device, chilled water inlet pipeline, chilled water outlet pipeline, air-supply passage and return air channel.The energy-saving control device includes: wind pushing temperature sensor, static pressure transducer of blowing, return air temperature sensor, optimal control module, supply air temperature control module, Static prestressed-pile module etc..The present invention can not only improve return air temperature control precision, avoid hot localised points and control supply air temperature in green safe section, additionally it is possible to which the energy consumption for saving data center's air conditioning terminal blower promotes the efficiency of entire water cooling air conditioning system.
Description
Technical field
The present invention relates to the Energy Saving Controls of data center's air-conditioning system, and in particular to one kind is normally referred to as " air conditioner in machine room "
Data center's air conditioning terminal energy-saving control device and control method.
Background technique
Data center's air conditioning terminal provides thermal environment for computer room information technoloy equipment.Typical consumption of data center structure hollow tune system
System consumption accounts for 40% or so, and wherein data center's air conditioning terminal accounts for 10% or so.In water cooling air conditioning system, data center's air-conditioning
The operating condition of end not only has an effect on the energy consumption of cold source end refrigeration station concerning body efficiency.
Data center's air conditioning terminal is to carry out heat exchange by cooling coil and air using chilled water as cooling medium,
Apply a kind of air-conditioning in data center machine room, its working principle is that: by cold source end convey Lai chilled water enter coil pipe to heat
Air (return air) is cooled down, and cold air after cooling (air-supply) is transported to computer room information technoloy equipment end by blower, and cold air is to operation
The load equipment (information technoloy equipment) of fever is cooled down, and becomes the hot air reflow of high temperature after cooling to data center's air conditioning terminal,
So circulation, thermal environment needed for constantly information technoloy equipment being maintained to operate normally.
Existing data center's air conditioning terminal control method mainly has: return air temperature control methods and supply air temperature control methods.
Return air temperature control methods are to reach return air temperature setting value, control device structure by adjusting chilled-water flow control return air temperature
As shown in Figure 2.Supply air temperature control methods are to reach supply air temperature setting value by adjusting chilled-water flow control supply air temperature, are controlled
Apparatus structure processed is as shown in Figure 3.
The control principle of return air temperature control methods: return air temperature sensor 208 monitors return air temperature, return air temperature signal
214 reach return air temperature controller 211, and return air temperature controller 211 compares air return temperature value compared with return air temperature setting value,
Freezing water valve control amount value is calculated by PI/PID, freezing water valve actuator is driven by freezing water valve control amount signal 215
203 adjust freezing water, and circulation, which executes, maintains return air temperature is constant to arrive return air temperature setting value；The monitoring air-supply of static pressure sensor 210
Static pressure, air-supply static pressure signal 217 reach staticaccelerator pressure controller 213, and staticaccelerator pressure controller 213 compares static pressure and static pressure setting value ratio
Compared with, Boiler pressure control magnitude is calculated by PI/PID, by Boiler pressure control amount signal 218 drive fan speed regulation executive device 219 adjust
Fan delivery is saved, circulation, which executes, maintains static pressure is constant to arrive static pressure setting value.
The control principle of supply air temperature control methods: wind pushing temperature sensor 309 monitors supply air temperature, blast temperature signals
320 reach supply air temperature controller 312, and supply air temperature controller 312 compares supply air temperature value compared with supply air temperature setting value,
Freezing water valve control amount value is calculated by PI/PID, freezing water valve actuator is driven by freezing water valve control amount signal 321
303 adjust freezing water, and circulation, which executes, maintains supply air temperature is constant to arrive supply air temperature setting value；The monitoring air-supply of static pressure sensor 310
Static pressure, air-supply static pressure signal 317 reach staticaccelerator pressure controller 313, and staticaccelerator pressure controller 313 compares static pressure and static pressure setting value ratio
Compared with, Boiler pressure control magnitude is calculated by PI/PID, by Boiler pressure control amount signal 318 drive fan speed regulation executive device 319 adjust
Fan delivery is saved, circulation, which executes, maintains static pressure is constant to arrive static pressure setting value.
Above two existing control method is mainly disadvantageous in that: 1. can only control a temperature or only have back
Air temperature control or only supply air temperature control, are unable to control influence of the variation of another temperature to controlled environment, easily occur
Hot localised points；2. static pressure control loop adjusts air quantity and temperature control loop regulating pondage, two control loops are mutually indepedent, " each
From for political affairs ", water side and the optimization of air side efficiency cannot be coordinated；3. desired temperature (the return air temperature setting of temperature control loop
Value or supply air temperature setting value), the static pressure setting value of static pressure control loop be constant inside program, load variations cannot be followed
And dynamic regulation seriously reduces system energy efficiency so that cooling capacity surplus, the temperature difference glide when operation at part load.
Summary of the invention
The present invention provides the energy-saving control device and control method of a kind of data center's air conditioning terminal, and the purpose is to improve heat
Environmental Control Effect saves data center's air conditioning terminal fan energy consumption, reduces cold source end energy consumption.
The energy-saving control device of data center's air conditioning terminal is applied and is executed by chilled water coil, blower, regulating valve, speed regulation
Data center's air conditioning terminal of the compositions such as device, chilled water inlet pipeline, chilled water outlet pipeline, air-supply passage and return air channel
In structure, energy-saving control device of the present invention includes:
Wind pushing temperature sensor is installed at the air outlet of blower, for obtaining supply air temperature value；
Air-supply static pressure transducer, is installed between the air outlet of blower and the air inlet of load equipment, for obtaining static pressure
Value；
Return air temperature sensor is installed at the air outlet of load equipment, for obtaining air return temperature value.
Optimal control module is integrated for the difference to air return temperature value and return air temperature setting value, is made in real time
Cold demand ratio, and according to supply air temperature setting value restrained boundary, static pressure setting value restrained boundary and refrigeration demand amount than calculating
New supply air temperature setting value and static pressure setting value；
Supply air temperature control module, according to the air-supply for the supply air temperature setting value and feedback for carrying out the output of self-optimizing control module
Temperature value calculates and exports control amount to adjust chilled-water flow, reaches to control supply air temperature and supply air temperature is maintained to set
Value；
Static prestressed-pile module calculates simultaneously according to the static pressure of the static pressure setting value and feedback of carrying out the output of self-optimizing control module
Output control amount driving speed regulation executive device adjusts the revolving speed of blower, reaches to control static pressure and maintains static pressure setting value.
The energy-saving control method of data center's air conditioning terminal, using following below scheme method:
(a) return air temperature sensor detects air return temperature value, and air return temperature value is transmitted to optimal control module；
(b) optimal control module integrates the difference of air return temperature value and return air temperature setting value, is freezed in real time
Demand ratio；
(c) optimal control module is according to supply air temperature setting value restrained boundary, static pressure setting value restrained boundary and refrigeration need
The amount of asking the supply air temperature setting value and static pressure setting value newer than calculating；
(d) supply air temperature control module sending according to the supply air temperature setting value and feedback for carrying out the output of self-optimizing control module
Wind-warm syndrome angle value calculates and exports control amount to adjust chilled-water flow, reaches to control supply air temperature and supply air temperature is maintained to set
Value；
(e) Static prestressed-pile module, according to the static pressure meter for the static pressure setting value and feedback for carrying out the output of self-optimizing control module
It calculates and exports control amount driving speed regulation executive device to adjust the revolving speed of blower, reach to control static pressure and static pressure is maintained to set
Value.
The supply air temperature setting value restrained boundary refers to the highest and lowest supply air temperature setting value of the permission of setting.
The air-supply static pressure setting value restrained boundary refers to the highest and lowest static pressure setting value of the permission of setting.
The refrigeration capacity requirement is calculated according to following formula:
[γ]=∫ ([RAT]-[RAT.set])；
The supply air temperature setting value, it is preferable that calculated according to following formula:
[SAT.sp]=[SAT.sp.max], 0≤[γ] < [α 1]；
[SAT.sp]=[SAT.sp.max]-([SAT.sp.max]-[SAT.sp.min]) * ([γ]-[α 1])/([α 2]-
[α 1]), [α 1]≤[γ] < [α 2]；
[SAT.sp]=[SAT.sp.min], 0≤[γ] < [α 2]；
The static pressure setting value, it is preferable that calculated according to following formula:
[P.sp]=[P.sp.min]+([P.sp.opt]-[P.sp.min]) * [γ]/[α 1], 0≤[γ] < [α 1]；
[P.sp]=[P.sp.opt], [α 1]≤[γ] < [α 2]；
[P.sp]=[P.sp.opt]+(1- [P.sp.opt]) * ([γ]-[α 2])/(1- [α 2]), 0≤[γ] < [α
2]；
In above-mentioned formula,
[SAT.sp]: supply air temperature setting value, DEG C；
[SAT.sp.max]: highest supply air temperature setting value, DEG C；
[SAT.sp.min]: minimum supply air temperature setting value, DEG C；
[γ]: refrigeration capacity requirement ratio, [0,1]；
[α 1]: parameter, [0,1], [α 1] < [α 2]；
[α 2]: parameter, [0,1], [α 1] < [α 2]；
[P.sp]: static pressure duty setting signal；
[P.sp.min]: minimum static pressure duty setting signal；
[P.sp.opt]: optimization static pressure setting value.
The beneficial effects of the present invention are: refrigeration requirement is 1. obtained in real time；2. being accurately controlled return air temperature；3. accurately
Supply air temperature is controlled in safety (green) section；4. reducing air-conditioning draught fan energy consumption by dynamic regulation air-supply static pressure setting value；⑤
It, can by, than dynamic regulation supply air temperature and static pressure setting value, being precisely controlled higher air return temperature value according to refrigeration capacity requirement
The water side temperature difference is avoided to glide, additionally it is possible to improve chilled water return water temperature, to extend natural cooling duration, make full use of nature cold
Source and it is energy saving；6. under part load ratio, for refrigeration capacity requirement than small, supply air temperature setting is higher, the confession of water side chilled water can be improved
Coolant-temperature gage, thus by promoting the energy conservation of cold efficiency.
It will be compared with prior art, the present invention also having following difference:
1, the present invention has control to return air temperature, static pressure and supply air temperature；
2, the present invention can pass through optimization module to the supply air temperature setting value of supply air temperature module and Static prestressed-pile module
Static pressure setting value is reset；
3, a supply air temperature setting value of the present invention not instead of changeless value sets the section in restrained boundary,
It is to be passed by optimal control module in a upper period that supply air temperature control module, which currently executes the supply air temperature setting value value in the period,
The supply air temperature setting value sent；
4, a static pressure setting value of the present invention not instead of changeless value sets the section in restrained boundary, static pressure
It is to be set by the static pressure that optimal control module transmits in a upper period that control module, which currently executes the static pressure setting value value in the period,
Value；
5, the control of return air temperature of the present invention is not that direct rely on adjusts chilled water valve opening and change chilled-water flow
It realizes, but by changing supply air temperature setting value and static pressure setting value, change chilled-water flow and air quantity indirectly and realizes.
It can be improved return air temperature control precision in conclusion beneficial effects of the present invention are not only in that, avoid localized heat
Point and control supply air temperature also reside in the energy consumption that can save data center's air conditioning terminal blower, also in green safe section
It is able to ascend the efficiency of entire water cooling air conditioning system.
Detailed description of the invention
Fig. 1 is the schematic illustration of control device of the present invention.
Fig. 2 is the schematic illustration one of existing control device.
Fig. 3 is the schematic illustration two of existing control device.
In Fig. 1: chilled water coil 101, blower 102, regulating valve 103, chilled water water inlet 104, chilled water water outlet 105, air-supply
106, return air 107, return air temperature sensor 108, wind pushing temperature sensor 109, air-supply static pressure transducer 110, optimal control mould
It is block 111, supply air temperature control module 112, Static prestressed-pile module 113, air return temperature value 114, supply air temperature setting value 115, quiet
Press setting value 116, static pressure 117, fan frequency conversion control amount 118, speed regulation executive device 119, supply air temperature value 120, chilled water
Valve control amount 121.
In Fig. 2: chilled water coil 201, blower 202, regulating valve 203, chilled water water inlet 204, chilled water water outlet 205, air-supply
206, return air 207, return air temperature sensor 208, air-supply static pressure transducer 210, return air temperature control module 211, Static prestressed-pile
Module 213, air return temperature value 214, supply air temperature setting value 215, static pressure 217, fan frequency conversion control amount 218, speed regulation execute
Device 219, freezing water valve control amount 221.
In Fig. 3: chilled water coil 301, blower 302, regulating valve 303, chilled water water inlet 304, chilled water water outlet 305, air-supply
306, return air 307, wind pushing temperature sensor 309, air-supply static pressure transducer 310, supply air temperature control module 312, Static prestressed-pile
Module 313, supply air temperature setting value 315, static pressure setting value 316, static pressure 317, fan frequency conversion control amount 318, speed regulation execute
Device 319, supply air temperature value 320, freezing water valve control amount 321.
Specific embodiment
The energy-saving control device of data center's air conditioning terminal as shown in Figure 1, is applied by chilled water coil 101, blower
102, regulating valve 103, speed regulation executive device 119, chilled water inlet pipeline, chilled water outlet pipeline, air-supply passage and return air are logical
In data center's air conditioning terminal structure that road is constituted, energy-saving control device of the present invention includes:
Wind pushing temperature sensor 109 is installed at the air outlet of blower 102, for obtaining supply air temperature value 120；
Air-supply static pressure transducer 110, is installed between the air outlet of blower 102 and the air inlet of load equipment 122, is used for
Obtain static pressure 117；
Return air temperature sensor 108 is installed at the air outlet of load equipment 122, for obtaining air return temperature value 114.
Optimal control module 111, for being integrated to air return temperature value 114 and the difference of return air temperature setting value, in real time
Refrigeration demand amount ratio is obtained, and according to supply air temperature setting value restrained boundary, static pressure setting value restrained boundary and refrigeration demand amount
New supply air temperature setting value 115 and static pressure setting value 116 than calculating；
Supply air temperature control module 112, according to 115 He of supply air temperature setting value for carrying out the output of self-optimizing control module 111
The supply air temperature value 120 of feedback calculates and exports control amount to adjust chilled-water flow, reaches and maintains to control supply air temperature
Supply air temperature setting value 115:
Static prestressed-pile module 113, according to the quiet of the static pressure setting value 116 and feedback for carrying out the output of self-optimizing control module 111
Pressure value 117 calculates and exports control amount to drive the revolving speed for adjusting the speed executive device 119 to adjust blower 102, is reached with controlling static pressure
To and maintain static pressure setting value 116.
The energy-saving control method of data center's air conditioning terminal, using following below scheme method:
(a) return air temperature sensor 108 detects air return temperature value 114, and air return temperature value 114 is transmitted to optimal control module
111；
(b) optimal control module 111 integrates air return temperature value 114 and the difference of return air temperature setting value, obtains in real time
Obtain refrigeration demand amount ratio；
(c) optimal control module 111 is according to supply air temperature setting value restrained boundary, static pressure setting value restrained boundary and refrigeration
Demand the supply air temperature setting value 115 and static pressure setting value 116 newer than calculating；
(d) supply air temperature control module 112 is according to the supply air temperature setting value 115 for carrying out the output of self-optimizing control module 111
It is calculated with the supply air temperature value 120 of feedback and exports control amount to adjust chilled-water flow, reach and tie up to control supply air temperature
Hold supply air temperature setting value 115；
(e) Static prestressed-pile module 113 is fed back quiet according to the static pressure setting value 116 for carrying out the output of self-optimizing control module 111
Pressure value 117 calculates and exports control amount driving speed regulation executive device 119 to adjust the revolving speed of blower 102, is reached with controlling static pressure
And maintain static pressure setting value 116.
The supply air temperature setting value restrained boundary refers to the highest and lowest supply air temperature setting value of the permission of setting.
The air-supply static pressure setting value restrained boundary refers to the highest and lowest static pressure setting value of the permission of setting.
The refrigeration capacity requirement is calculated according to following formula:
[γ]=∫ ([RAT]-[RAT.set])；
The supply air temperature setting value, it is preferable that calculated according to following formula:
[SAT.sp]=[SAT.sp.max], 0≤[γ] < [α 1]；
[SAT.sp]=[SAT.sp.max]-([SAT.sp.max]-[SAT.sp.min]) * ([γ]-[α 1])/([α 2]-
[α 1]), [α 1]≤[γ] < [α 2]；
[SAT.sp]=[SAT.sp.min], 0≤[γ] < [α 2]；
The static pressure setting value, it is preferable that calculated according to following formula:
[P.sp]=[P.sp.min]+([P.sp.opt]-[P.sp.min]) * [γ]/[α 1], 0≤[γ] < [α 1]；
[P.sp]=[P.sp.opt], [α 1]≤[γ] < [α 2]；
[P.sp]=[P.sp.opt]+(1- [P.sp.opt]) * ([γ]-[α 2])/(1- [α 2]), 0≤[γ] < [α
2]；
In above-mentioned formula,
[SAT.sp]: supply air temperature setting value, DEG C；
[SAT.sp.max]: highest supply air temperature setting value, DEG C；
[SAT.sp.min]: minimum supply air temperature setting value, DEG C；
[γ]: refrigeration capacity requirement ratio, [0,1]；
[α 1]: parameter, [0,1], [α 1] < [α 2]；
[α 2]: parameter, [0,1], [α 1] < [α 2]；
[P.sp]: static pressure duty setting signal；
[P.sp.min]: minimum static pressure duty setting signal；
[P.sp.opt]: optimization static pressure setting value.
The present invention enters coil pipe to hot-air in use, the chilled water 104 that the conveying of cold source end comes flows through freezing water valve 103
(return air) 107 is cooled down, and cold air after cooling (air-supply) 106 is transported to load equipment (information technoloy equipment) 205 by blower 102
End, cold air cool down the load equipment (information technoloy equipment) of operation fever, take away heat, and the hot-air for becoming high temperature (returns
Wind) 107 data center's air conditioning terminal is flowed back into, it so recycles, dynamic regulation control, needed for constantly information technoloy equipment being maintained to operate normally
Thermal environment.
Air output can be made to dynamically match load variations using control method of the present invention, to greatly save
Data center's air conditioning terminal fan energy consumption；Chilled water return water temperature can be effectively promoted, and then natural cooling duration can be extended,
It reduces cold and uses the time；Cold efficiency can also be improved, to save cold energy consumption by promoting chilled water supply water temperature.
Claims (5)
1. the energy-saving control device of data center's air conditioning terminal is applied by chilled water coil (101), blower (102), regulating valve
(103), the structures such as speed regulation executive device (119), chilled water inlet pipeline, chilled water outlet pipeline, air-supply passage and return air channel
At data center's air conditioning terminal structure on, it is characterised in that energy-saving control device of the present invention includes:
Wind pushing temperature sensor (109), is installed at the air outlet of blower (102), for obtaining supply air temperature value (120)；
It blows static pressure transducer (110), is installed between the air outlet of blower (102) and load equipment (122) air inlet, is used for
It obtains static pressure (117)；
Return air temperature sensor (108), is installed at the air outlet of load equipment (122), for obtaining air return temperature value
(114)。
Optimal control module (111), for being integrated to air return temperature value (114) and the difference of return air temperature setting value, in real time
Refrigeration demand amount ratio is obtained, and according to supply air temperature setting value restrained boundary, static pressure setting value restrained boundary and refrigeration demand amount
New supply air temperature setting value (115) and static pressure setting value (116) than calculating；
Supply air temperature control module (112), according to the supply air temperature setting value (115) for carrying out self-optimizing control module (111) output
It is calculated with the supply air temperature value (120) of feedback and exports control amount to adjust chilled-water flow, reached simultaneously with controlling supply air temperature
It maintains supply air temperature setting value (115)；
Static prestressed-pile module (113), according to the static pressure setting value (116) and feedback for carrying out self-optimizing control module (111) output
Static pressure (117) calculates and exports control amount driving speed regulation executive device (119) to adjust the revolving speed of blower (102), with control
Static pressure reaches and maintains static pressure setting value (116).
2. the energy-saving control method of data center's air conditioning terminal, it is characterised in that use following below scheme method:
(a) return air temperature sensor (108) detection air return temperature value (114), air return temperature value (114) are transmitted to optimal control mould
Block (111)；
(b) optimal control module (111) integrates air return temperature value (114) and the difference of return air temperature setting value, obtains in real time
Obtain refrigeration demand amount ratio；
(c) optimal control module (111) is according to supply air temperature setting value restrained boundary, static pressure setting value restrained boundary and refrigeration need
The amount of asking the supply air temperature setting value (115) and static pressure setting value (116) newer than calculating；
(d) supply air temperature control module (112) is according to the supply air temperature setting value for carrying out self-optimizing control module (111) output
(115) it calculates with the supply air temperature value (120) of feedback and exports control amount to adjust chilled-water flow, reached with controlling supply air temperature
To and maintain supply air temperature setting value (115)；
(e) Static prestressed-pile module (113), according to the static pressure setting value (116) and feedback for carrying out self-optimizing control module (111) output
Static pressure (117) calculate and export control amount driving speed regulation executive device (119) to adjust the revolving speeds of blower (102), with control
Static pressure processed reaches and maintains static pressure setting value (116).
3. the energy-saving control method of data center's air conditioning terminal as claimed in claim 2, it is characterised in that: the air-supply temperature
Degree setting value restrained boundary refers to the highest and lowest supply air temperature setting value of the permission of setting.
4. the energy-saving control method of data center's air conditioning terminal as claimed in claim 2, it is characterised in that: the air-supply is quiet
Pressure setting value restrained boundary refers to the highest and lowest static pressure setting value of the permission of setting.
5. the energy-saving control method of data center's air conditioning terminal as claimed in claim 2, it is characterised in that: the refrigerating capacity needs
It asks, is calculated according to following formula:
[γ]=∫ ([RAT]-[RAT.set])；
The supply air temperature setting value, it is preferable that calculated according to following formula:
[SAT.sp]=[SAT.sp.max], 0≤[γ] < [α 1]；
[SAT.sp]=[SAT.sp.max]-([SAT.sp.max]-[SAT.sp.min]) * ([γ]-[α 1])/([α 2]-[α
1]), [α 1]≤[γ] < [α 2]；
[SAT.sp]=[SAT.sp.min], 0≤[γ] < [α 2]；
The static pressure setting value, it is preferable that calculated according to following formula:
[P.sp]=[P.sp.min]+([P.sp.opt]-[P.sp.min]) * [γ]/[α 1], 0≤[γ] < [α 1]；
[P.sp]=[P.sp.opt], [α 1]≤[γ] < [α 2]:
[P.sp]=[P.sp.opt]+(1- [P.sp.opt]) * ([γ]-[α 2])/(1- [α 2]), 0≤[γ] < [α 2]；
In above-mentioned formula,
[SAT.sp]: supply air temperature setting value, DEG C；
[SAT.sp.max]: highest supply air temperature setting value, DEG C；
[SAT.sp.min]: minimum supply air temperature setting value, DEG C；
[γ]: refrigeration capacity requirement ratio, [0,1]；
[α 1]: parameter, [0,1], [α 1] < [α 2]；
[α 2]: parameter, [0,1], [α 1] < [α 2]；
[P.sp]: static pressure duty setting signal；
[P.sp.min]: minimum static pressure duty setting signal；
[P.sp.opt]: optimization static pressure setting value.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594983A (en) * | 2019-09-20 | 2019-12-20 | 东北大学 | A temperature control method suitable for small data centers |
| CN112594807A (en) * | 2020-11-19 | 2021-04-02 | 苏州浪潮智能科技有限公司 | Chilled water machine room air conditioning unit and control method thereof |
| CN113606693A (en) * | 2021-08-19 | 2021-11-05 | 上海上证数据服务有限责任公司 | Data center refrigerating system and air-water coupling energy-saving control method thereof |
| CN114034118A (en) * | 2020-07-21 | 2022-02-11 | 广东美的暖通设备有限公司 | Control method and control device of air conditioning system, controller and air conditioning system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105222439A (en) * | 2015-10-19 | 2016-01-06 | 北京捷通机房设备工程有限公司 | Data center's air conditioning terminal energy-saving control device and control method |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105222439A (en) * | 2015-10-19 | 2016-01-06 | 北京捷通机房设备工程有限公司 | Data center's air conditioning terminal energy-saving control device and control method |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594983A (en) * | 2019-09-20 | 2019-12-20 | 东北大学 | A temperature control method suitable for small data centers |
| CN110594983B (en) * | 2019-09-20 | 2021-04-02 | 东北大学 | A temperature control method suitable for small data centers |
| CN114034118A (en) * | 2020-07-21 | 2022-02-11 | 广东美的暖通设备有限公司 | Control method and control device of air conditioning system, controller and air conditioning system |
| CN112594807A (en) * | 2020-11-19 | 2021-04-02 | 苏州浪潮智能科技有限公司 | Chilled water machine room air conditioning unit and control method thereof |
| CN112594807B (en) * | 2020-11-19 | 2022-12-27 | 苏州浪潮智能科技有限公司 | Chilled water machine room air conditioning unit and control method thereof |
| CN113606693A (en) * | 2021-08-19 | 2021-11-05 | 上海上证数据服务有限责任公司 | Data center refrigerating system and air-water coupling energy-saving control method thereof |
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