CN110332848A - A kind of cooling tower energy conservation increasing longevity control method, device and equipment based on BA - Google Patents
A kind of cooling tower energy conservation increasing longevity control method, device and equipment based on BA Download PDFInfo
- Publication number
- CN110332848A CN110332848A CN201910724440.4A CN201910724440A CN110332848A CN 110332848 A CN110332848 A CN 110332848A CN 201910724440 A CN201910724440 A CN 201910724440A CN 110332848 A CN110332848 A CN 110332848A
- Authority
- CN
- China
- Prior art keywords
- water
- refrigerating capacity
- cooling tower
- cooling
- chilled
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
- F28F27/003—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus specially adapted for cooling towers
Abstract
The present invention relates to technical field of air conditioner refrigeration, disclose a kind of cooling tower energy conservation increasing longevity control method, device and equipment based on BA, which comprises obtain and freeze water leaving water temperature, chilled water return water temperature and chilled-water flow；Cooling water refrigerating capacity is calculated according to the chilled water leaving water temperature, the chilled water return water temperature and the chilled-water flow；Predetermined analog performance parameter table is obtained, target refrigerating capacity section is obtained according to the predetermined analog performance parameter table；Judge the cooling water refrigerating capacity whether in target refrigerating capacity section, the operation quantity of cooling tower is adjusted according to judging result, to which cooling water refrigerating capacity be obtained by calculation, judge whether cooling water refrigerating capacity adjusts the operation quantity of cooling tower in target refrigerating capacity section, solving, which reduces the air-conditioning Energy Efficiency Ratio of refrigeration host computer, declines whole energy consumption not to rise instead, the technical issues of energy-efficient effect is not achieved, service life of equipment cannot be extended.
Description
Technical field
The present invention relates to technical field of air conditioner refrigeration more particularly to a kind of cooling tower energy conservation based on BA to increase longevity controlling party
Method, device and equipment.
Background technique
Currently, domestic building equipment robot control system(RCS) (Building Automation System-RTU, BA) is to cooling tower
Control method, main general pipeline inflow temperature and general pipeline leaving water temperature by detection cooling tower go out water temperature by comparing general pipeline
Degree (is set) with setting value with reference to the refrigeration host computer operating temperature upper limit, controls the group Qi Qunting of cooling tower fan.Due to thermic load
Very big with seasonal variations, radiating efficiency is also very big with seasonal variations, only considers inflow temperature and leaving water temperature in this way, will necessarily make
System frequent start-stop can also make cooling water temperature fluctuate very big, cooling effect that not only cannot be stable, but also a large amount of electricity of consumption up and down
Energy.
Rise instead, reach so substantially declining whole energy consumption not there is the air-conditioning Energy Efficiency Ratio for reducing refrigeration host computer
Less than energy-efficient effect, the technical issues of service life of equipment cannot be extended.
Above content is only used to facilitate the understanding of the technical scheme, and is not represented and is recognized that above content is existing skill
Art.
Summary of the invention
It is a primary object of the present invention to propose that a kind of cooling tower energy conservation based on BA increases longevity control method, device and sets
It is standby, it is intended to the air-conditioning Energy Efficiency Ratio for solving to reduce refrigeration host computer declines whole energy consumption not to rise instead, energy-efficient effect is not achieved,
The technical issues of service life of equipment cannot be extended.
To achieve the above object, the present invention provides a kind of cooling tower energy conservation increasing longevity control method based on BA, the method
The following steps are included:
Obtain chilled water leaving water temperature, chilled water return water temperature and chilled-water flow；
Cooling water system is calculated according to the chilled water leaving water temperature, the chilled water return water temperature and the chilled-water flow
Cooling capacity；
Predetermined analog performance parameter table is obtained, target refrigerating capacity section is obtained according to the predetermined analog performance parameter table；
The cooling water refrigerating capacity is judged whether in target refrigerating capacity section, and cooling tower is adjusted according to judging result
Operation quantity.
Preferably, described calculated according to the chilled water leaving water temperature, chilled water return water temperature and chilled-water flow cools down
The calculation formula of water refrigerating capacity are as follows:
Q=a*L*C (T1-T2),
Wherein, Q is cooling water refrigerating capacity, and a is constant, and L is chilled-water flow, and C is the specific heat capacity of water, T1Go out for chilled water
Coolant-temperature gage, T2For chilled water return water temperature.
Preferably, the acquisition predetermined analog performance parameter table obtains target according to the predetermined analog performance parameter table
Refrigerating capacity section, specifically includes:
Predetermined analog performance parameter table is obtained, air-conditioning Energy Efficiency Ratio is obtained according to the predetermined analog performance parameter table；
Target refrigerating capacity section is determined according to the air-conditioning Energy Efficiency Ratio.
Preferably, described that target refrigerating capacity section is determined according to the air-conditioning Energy Efficiency Ratio, it specifically includes:
The high efficiency range of the air-conditioning Energy Efficiency Ratio is determined according to the air-conditioning Energy Efficiency Ratio；
Using the corresponding refrigerating capacity section of the high efficiency range of the air-conditioning Energy Efficiency Ratio as target refrigerating capacity section.
Preferably, described to judge that the cooling water refrigerating capacity whether in target refrigerating capacity section, is tied according to judgement
Fruit adjusts the operation quantity of cooling tower, specifically includes:
When the cooling water refrigerating capacity is in target refrigerating capacity section, keep the operation quantity of cooling tower constant；
When the cooling water refrigerating capacity is not in target refrigerating capacity section, the operation number of the cooling tower is adjusted
Amount.
Preferably, described when the cooling water refrigerating capacity is not in target refrigerating capacity section, adjust the cooling
The operation quantity of tower, specifically includes:
When the cooling water refrigerating capacity is not in target refrigerating capacity section, outdoor temperature and cooling water water outlet are obtained
Temperature；
Obtain the corresponding target temperature threshold value in target refrigerating capacity section；
The cooling tower is adjusted according to the outdoor temperature, the cooling water leaving water temperature and the target temperature threshold value
Run quantity.
Preferably, the cooling water leaving water temperature and the target temperature threshold value adjust the operation quantity of the cooling tower,
It specifically includes:
When the cooling water leaving water temperature is more than the target temperature threshold value, according to the outdoor temperature and the cooling
Water leaving water temperature increases the operation quantity of the cooling tower；
When the cooling water leaving water temperature is lower than the target temperature threshold value, according to the outdoor temperature and the cooling
Water leaving water temperature reduces the operation quantity of the cooling tower.
In addition, to achieve the above object, the present invention also proposes that a kind of cooling tower energy conservation based on BA increases longevity control device, institute
Stating the cooling tower energy conservation increasing longevity control device based on BA includes:
Data acquisition module, for obtaining chilled water leaving water temperature, chilled water return water temperature and chilled-water flow；
Data computation module, for according to the chilled water leaving water temperature, chilled water return water temperature and chilled water flow meter
Calculate cooling water refrigerating capacity；
Section determining module is obtained for obtaining predetermined analog performance parameter table according to the predetermined analog performance parameter table
Obtain target refrigerating capacity section；
Quantity regulating module, for judge the cooling water refrigerating capacity whether in target refrigerating capacity section, according to
The operation quantity of judging result adjusting cooling tower.
In addition, to achieve the above object, the present invention also proposes that a kind of cooling tower energy conservation based on BA increases longevity control equipment, institute
It states cooling tower energy conservation based on BA and increases longevity control equipment and include: memory, processor and be stored on the memory and can be
The cooling tower energy conservation based on BA run on the processor increases longevity control program, and the cooling tower energy conservation based on BA increases longevity control
Processing procedure sequence, which is configured with, realizes the step of cooling tower energy conservation based on BA increases longevity control method as described above.
In addition, to achieve the above object, the present invention also proposes a kind of storage medium, it is stored with and is based on the storage medium
The cooling tower energy conservation of BA increases longevity control program, and the cooling tower energy conservation based on BA increases real when longevity control program is executed by processor
The step of cooling tower energy conservation now as described above based on BA increases longevity control method.
Freeze water leaving water temperature, chilled water return water temperature and chilled-water flow by obtaining in the present invention；According to the freezing
Water leaving water temperature, the chilled water return water temperature and the chilled-water flow calculate cooling water refrigerating capacity；Obtain predetermined analog
Energy parameter list obtains target refrigerating capacity section according to the predetermined analog performance parameter table；Judging the cooling water refrigerating capacity is
It is no in target refrigerating capacity section, according to judging result adjust cooling tower operation quantity, to be obtained by calculation cold
But water refrigerating capacity, judges whether cooling water refrigerating capacity adjusts the operation quantity of cooling tower in target refrigerating capacity section, solves
The air-conditioning Energy Efficiency Ratio for reducing refrigeration host computer declines whole energy consumption not to rise instead, energy-efficient effect is not achieved, cannot extend and set
The technical issues of standby service life.
Detailed description of the invention
Fig. 1 is that the cooling tower energy conservation increasing longevity control device structure for the hardware running environment that the embodiment of the present invention is related to shows
It is intended to；
Fig. 2 is the flow diagram that a kind of cooling tower energy conservation based on BA of the present invention increases longevity control method first embodiment；
Fig. 3 is the flow diagram that a kind of cooling tower energy conservation based on BA of the present invention increases longevity control method second embodiment；
Fig. 4 is the flow diagram that a kind of cooling tower energy conservation based on BA of the present invention increases longevity control method 3rd embodiment；
Fig. 5 is that a kind of cold functional module that cooling tower energy conservation based on BA increases longevity control device first embodiment of the present invention is shown
It is intended to.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Referring to Fig.1, Fig. 1 is that the cooling tower energy conservation based on BA for the hardware running environment that the embodiment of the present invention is related to increases
Longevity controls device structure schematic diagram.
As shown in Figure 1, it may include: processor 1001 that the cooling tower energy conservation based on BA, which increases longevity control equipment, such as center
Processor (Central Processing Unit, CPU), communication bus 1002, user interface 1003, network interface 1004 are deposited
Reservoir 1005.Wherein, communication bus 1002 is for realizing the connection communication between these components.User interface 1003 may include
Display screen (Display), input unit such as key, optional user interface 1003 can also include wireline interface, the nothing of standard
Line interface.Network interface 1004 optionally may include standard wireline interface and wireless interface (such as WI-FI interface).Memory
1005 can be high-speed random access memory (Random Access Memory, RAM) memory, be also possible to stable deposit
Reservoir (non-volatile memory), such as magnetic disk storage.Memory 1005 optionally can also be independently of aforementioned place
Manage the storage device of device 1001.
It will be understood by those skilled in the art that device structure shown in Fig. 1 is not constituted to the cooling tower section based on BA
The restriction that longevity control equipment can be increased may include perhaps combining certain components or difference than illustrating more or fewer components
Component layout.
As shown in Figure 1, as may include operating system, network communication mould in a kind of memory 1005 of storage medium
Block, Subscriber Interface Module SIM and the cooling tower energy conservation based on BA increase longevity control program.
Cooling tower energy conservation based on BA shown in Fig. 1 increases in longevity control equipment, and network interface 1004 is mainly used for connecting
Outer net carries out data communication with other network equipments；User interface 1003 is mainly used for connecting user equipment, sets with the user
It is standby to carry out data communication；Present device calls the cooling tower section based on BA stored in memory 1005 by processor 1001
Longevity control program can be increased, and execute following operation:
Obtain chilled water leaving water temperature, chilled water return water temperature and chilled-water flow；
Cooling water system is calculated according to the chilled water leaving water temperature, the chilled water return water temperature and the chilled-water flow
Cooling capacity；
Predetermined analog performance parameter table is obtained, target refrigerating capacity section is obtained according to the predetermined analog performance parameter table；
The cooling water refrigerating capacity is judged whether in target refrigerating capacity section, and cooling tower is adjusted according to judging result
Operation quantity.
Further, processor 1001 can call the cooling tower energy conservation based on BA stored in memory 1005 to increase longevity control
Processing procedure sequence also executes following operation:
Cooling water system is calculated according to the chilled water leaving water temperature, the chilled water return water temperature and the chilled-water flow
The calculation formula of cooling capacity are as follows:
Q=a*L*C (T1-T2),
Wherein, Q is cooling water refrigerating capacity, and a is constant, and L is chilled-water flow, and C is the specific heat capacity of water, T1Go out for chilled water
Coolant-temperature gage, T2For chilled water return water temperature.
Further, processor 1001 can call the cooling tower energy conservation based on BA stored in memory 1005 to increase longevity control
Processing procedure sequence also executes following operation:
Predetermined analog performance parameter table is obtained, air-conditioning Energy Efficiency Ratio is obtained according to the predetermined analog performance parameter table；
Target refrigerating capacity section is determined according to the air-conditioning Energy Efficiency Ratio.
Further, processor 1001 can call the cooling tower energy conservation based on BA stored in memory 1005 to increase longevity control
Processing procedure sequence also executes following operation:
The high efficiency range of the air-conditioning Energy Efficiency Ratio is determined according to the air-conditioning Energy Efficiency Ratio；
Using the corresponding refrigerating capacity section of the high efficiency range of the air-conditioning Energy Efficiency Ratio as target refrigerating capacity section.
Further, processor 1001 can call the cooling tower energy conservation based on BA stored in memory 1005 to increase longevity control
Processing procedure sequence also executes following operation:
When the cooling water refrigerating capacity is in target refrigerating capacity section, keep the operation quantity of cooling tower constant；
When the cooling water refrigerating capacity is not in target refrigerating capacity section, the operation number of the cooling tower is adjusted
Amount.
Further, processor 1001 can call the cooling tower energy conservation based on BA stored in memory 1005 to increase longevity control
Processing procedure sequence also executes following operation:
When the cooling water refrigerating capacity is not in target refrigerating capacity section, outdoor temperature and cooling water water outlet are obtained
Temperature；
Obtain the corresponding target temperature threshold value in target refrigerating capacity section；
The cooling tower is adjusted according to the outdoor temperature, the cooling water leaving water temperature and the target temperature threshold value
Run quantity.
Further, processor 1001 can call the cooling tower energy conservation based on BA stored in memory 1005 to increase longevity control
Processing procedure sequence also executes following operation:
When the cooling water leaving water temperature is more than the target temperature threshold value, according to the outdoor temperature and the cooling
Water leaving water temperature increases the operation quantity of the cooling tower；
When the cooling water leaving water temperature is lower than the target temperature threshold value, according to the outdoor temperature and the cooling
Water leaving water temperature reduces the operation quantity of the cooling tower.
Freeze water leaving water temperature, chilled water return water temperature and chilled-water flow by obtaining in the present embodiment；According to described cold
Freeze water leaving water temperature, the chilled water return water temperature and the chilled-water flow and calculates cooling water refrigerating capacity；Obtain predetermined analog
Performance parameter table obtains target refrigerating capacity section according to the predetermined analog performance parameter table；Judge the cooling water refrigerating capacity
Whether in target refrigerating capacity section, the operation quantity of cooling tower is adjusted according to judging result, to be obtained by calculation
Cooling water refrigerating capacity, judges whether cooling water refrigerating capacity adjusts the operation quantity of cooling tower in target refrigerating capacity section, solves
The air-conditioning Energy Efficiency Ratio for reducing refrigeration host computer declines whole energy consumption not to rise instead, energy-efficient effect is not achieved, cannot extend
The technical issues of service life of equipment.
Based on above-mentioned hardware configuration, propose that a kind of cooling tower energy conservation based on BA of the present invention increases longevity control method embodiment.
Referring to Fig. 2, Fig. 2 is the process that a kind of cooling tower energy conservation based on BA of the present invention increases longevity control method first embodiment
Schematic diagram.
In the first embodiment, the cooling tower energy conservation based on BA increase longevity control method the following steps are included:
Step S10 obtains chilled water leaving water temperature, chilled water return water temperature and chilled-water flow.
It should be noted that the executing subject of the present embodiment can increase the longevity for cooling tower energy conservation controls equipment, it can also be other
The equipment that same or similar function can be achieved, the present embodiment with no restriction, in the present embodiment, increase the longevity to this with cooling tower energy conservation
It is illustrated for control equipment.Obtain cooling water leaving water temperature, the mode of chilled water return water temperature and cooling water flow can be
Measured by sensor and flowmeter, can also be other modes, the present embodiment to this with no restriction, in the present embodiment,
It is illustrated for being measured by sensor and flowmeter.
It should be understood that the waste of central air conditioner system operation energy consumption is related to refrigerating medium circulation (chilled water circulation), system
The cyclic process of refrigerant cycle (inside refrigeration host computer), coolant circulation (cooling water circulation) three kinds of media contains refrigeration master
Multiple heat exchanging process such as machine, water pump, cooling tower, end-equipment, which dictates that central air conditioner system cannot be with Linear Control system
System, simple Partial controll equipment component and reach energy-efficient effect.
It is understood that in traditional central air conditioning cooling water system controlling capacity of refrigeration, often using cooling
General pipeline passes in and out the start-up and shut-down control strategy of the cooling tower of water temperature difference or cold Ta Ta general pipeline's leaving water temperature, to control cooling water in atmosphere
In heat dissipation capacity, reach energy-efficient purpose, but this control thinking, the change for ignoring cooling water control amount can bring refrigeration
The change of host operating condition reduces the air-conditioning Energy Efficiency Ratio of refrigeration host computer, and not declining whole energy consumption can rise instead, and energy conservation is not achieved
Effect.
Step S20 is calculated according to the chilled water leaving water temperature, the chilled water return water temperature and the chilled-water flow
Cooling water refrigerating capacity.
It should be noted that cooling can be calculated according to chilled water leaving water temperature, chilled water return water temperature and chilled water cold amount
Circulatory system institute chilling requirement, i.e. cooling water refrigerating capacity.
It should be understood that calculating the calculation formula of cooling water refrigerating capacity are as follows:
Q=a*L*C (T1-T2),
Wherein, Q is cooling water refrigerating capacity, and a is constant, and L is chilled-water flow, and C is the specific heat capacity of water, T1Go out for chilled water
Coolant-temperature gage, T2For chilled water return water temperature.
Can be 41.868 it is understood that a in formula is constant, can also be other constants, the present embodiment to this not
It is restricted, the present embodiment is illustrated so that a is 41.868 as an example.
Step S30 obtains predetermined analog performance parameter table, obtains target refrigeration according to the predetermined analog performance parameter table
Measure section.
It should be noted that predetermined analog performance parameter table is obtained, it is available according to the predetermined analog performance parameter table,
The high efficiency range of refrigeration host computer concentrates on sub-load section, and too high or too low rate of load condensate can all cause the air-conditioning of refrigeration host computer
Energy Efficiency Ratio sharply declines, all in the operational process of refrigeration host computer, how to adjust the relevant cooling tower operation number of units in periphery, real
The operation number of units of time control controlling refrigerating capacity people having the same aspiration and interest section refrigeration host computer and the relevant device parameter of periphery are equally important, allow refrigeration host computer
(main energy consumption equipment) is run in high efficiency range always.
It is understood that target refrigeration section is the corresponding refrigerating capacity section of high efficiency range of air-conditioning Energy Efficiency Ratio, pass through
The high efficiency range that air-conditioning Energy Efficiency Ratio is searched in predetermined analog performance parameter table is obtained with target refrigerating capacity section, described pre-
If simulated performance parameter list is the parameter information set according to refrigeration host computer model.
Step S40 judges the cooling water refrigerating capacity whether in target refrigerating capacity section, according to judging result tune
Save the operation quantity of cooling tower.
It is understood that by judging that the refrigerating capacity whether in target refrigerating capacity section, can be
The no high efficiency range positioned at air-conditioning Energy Efficiency Ratio, when in the high efficiency range for being located at air-conditioning Energy Efficiency Ratio, then at refrigeration host computer at this time
It is run in high efficiency range, when not being located in the high efficiency range of air-conditioning Energy Efficiency Ratio, the operation quantity by adjusting cooling tower makes sky
It adjusts Energy Efficiency Ratio to be located at high efficiency range, so that refrigeration host computer be made to be in high efficiency range operation, reaches energy-efficient purpose, moreover, passing through
This control method adjusts the operation quantity of cooling tower, can run always to avoid cooling tower, thus reach protection cooling tower,
The effect to prolong the service life.
In the concrete realization, for example, according to predetermined analog performance parameter table it is found that the high efficiency range of air-conditioning Energy Efficiency Ratio is 6-
6.5, corresponding refrigerating capacity section, that is, target refrigerating capacity section is 300-600, the cooling water system being calculated according to above-mentioned steps
Cooling capacity is 200, and for cooling water refrigerating capacity not in target refrigerating capacity section, therefore, it is necessary to increase cooling at this time known to
The operation quantity of tower reaches cooling water refrigerating capacity in target refrigerating capacity section.
Freeze water leaving water temperature, chilled water return water temperature and chilled-water flow by obtaining in the present embodiment；According to described cold
Freeze water leaving water temperature, the chilled water return water temperature and the chilled-water flow and calculates cooling water refrigerating capacity；Obtain predetermined analog
Performance parameter table obtains target refrigerating capacity section according to the predetermined analog performance parameter table；Judge the cooling water refrigerating capacity
Whether in target refrigerating capacity section, the operation quantity of cooling tower is adjusted according to judging result, to be obtained by calculation
Cooling water refrigerating capacity, judges whether cooling water refrigerating capacity adjusts the operation quantity of cooling tower in target refrigerating capacity section, solves
The air-conditioning Energy Efficiency Ratio for reducing refrigeration host computer declines whole energy consumption not to rise instead, energy-efficient effect is not achieved, cannot extend
The technical issues of service life of equipment.
In one embodiment, as shown in figure 3, proposing a kind of cooling tower energy conservation based on BA of the present invention based on first embodiment
Increase longevity control method second embodiment, the step S30, comprising:
Step S301 obtains predetermined analog performance parameter table, obtains air-conditioning energy according to the predetermined analog performance parameter table
Effect ratio.
It is understood that the predetermined analog performance parameter table is the parameter information set according to refrigeration host computer model,
Air-conditioning Energy Efficiency Ratio and refrigerating capacity information can be obtained according to the information on the predetermined analog performance parameter table.
Step S302 determines target refrigerating capacity section according to the air-conditioning Energy Efficiency Ratio.
It is understood that the efficient of air-conditioning Energy Efficiency Ratio can be obtained by the air-conditioning Energy Efficiency Ratio and refrigerating capacity information obtained
Section, using the corresponding refrigerating capacity section of the high efficiency range of the air-conditioning efficiency as target refrigerating capacity section.
By obtaining predetermined analog performance parameter table in the present embodiment, obtained according to the predetermined analog performance parameter table empty
Adjust Energy Efficiency Ratio；Target refrigerating capacity section is determined according to the air-conditioning Energy Efficiency Ratio, thus by obtaining predetermined analog performance parameter table
Determine target refrigerating capacity section.
In one embodiment, as shown in figure 4, proposing that the present invention is a kind of based on the first embodiment or the second embodiment is based on BA
Cooling tower energy conservation increase longevity control method 3rd embodiment be illustrated in the present embodiment based on first embodiment, the step
Rapid S40, comprising:
Step S401 keeps the operation of cooling tower when the cooling water refrigerating capacity is in target refrigerating capacity section
Quantity is constant.
It is understood that when the cooling water refrigerating capacity is in target refrigerating capacity section, i.e., air-conditioning at this time
Energy Efficiency Ratio is located at high efficiency range, and therefore, refrigeration host computer is in power save mode at this time, does not need to adjust cooling water refrigerating capacity
Section, therefore keep the operation quantity of cooling tower constant.
Step S402 adjusts the cooling tower when the cooling water refrigerating capacity is not in target refrigerating capacity section
Operation quantity.
It should be noted that obtaining outdoor temp when the cooling water refrigerating capacity is not in target refrigerating capacity section
Degree and cooling water leaving water temperature, obtain the corresponding target temperature threshold value in target refrigerating capacity section, are discharged in the cooling water
When temperature is more than the target temperature threshold value, the cooling tower is increased according to the outdoor temperature and the cooling water leaving water temperature
Operation quantity, when the cooling water leaving water temperature is lower than the target temperature threshold value, according to the outdoor temperature and described
Cooling water leaving water temperature reduces the operation quantity of the cooling tower.
It is understood that cooling water leaving water temperature is compared with target temperature threshold value, adjusted by comparing result
The operation quantity for saving cooling tower also needs during adjusting in view of outdoor temperature, therefore, according to cooling water leaving water temperature
The operation quantity of cooling tower is adjusted with outdoor temperature, so that cooling water leaving water temperature is in target temperature threshold value,
In the present embodiment by keeping cooling tower when the cooling water refrigerating capacity is in target refrigerating capacity section
Operation quantity it is constant, when the cooling water refrigerating capacity is not in target refrigerating capacity section, adjust the cooling tower
Quantity is run, to adjust the operation quantity of cooling tower according to judging result.
In addition, the embodiment of the present invention also proposes a kind of storage medium, the cooling based on BA is stored on the storage medium
Tower energy conservation increases longevity control program, and the cooling tower energy conservation based on BA, which increases when longevity control program is executed by processor, realizes following grasp
Make:
Obtain chilled water leaving water temperature, chilled water return water temperature and chilled-water flow；
Cooling water system is calculated according to the chilled water leaving water temperature, the chilled water return water temperature and the chilled-water flow
Cooling capacity；
Predetermined analog performance parameter table is obtained, target refrigerating capacity section is obtained according to the predetermined analog performance parameter table；
The cooling water refrigerating capacity is judged whether in target refrigerating capacity section, and cooling tower is adjusted according to judging result
Operation quantity.
Further, the cooling tower energy conservation based on BA, which increases when longevity control program is executed by processor, also realizes following behaviour
Make:
Cooling water system is calculated according to the chilled water leaving water temperature, the chilled water return water temperature and the chilled-water flow
The calculation formula of cooling capacity are as follows:
Q=a*L*C (T1-T2),
Wherein, Q is cooling water refrigerating capacity, and a is constant, and L is chilled-water flow, and C is the specific heat capacity of water, T1Go out for chilled water
Coolant-temperature gage, T2For chilled water return water temperature.
Further, a kind of cooling tower energy conservation based on BA, which increases when longevity control is executed by processor, also realizes following behaviour
Make:
Predetermined analog performance parameter table is obtained, air-conditioning Energy Efficiency Ratio is obtained according to the predetermined analog performance parameter table；
Target refrigerating capacity section is determined according to the air-conditioning Energy Efficiency Ratio.
Further, the cooling tower energy conservation based on BA, which increases when longevity control program is executed by processor, also realizes following behaviour
Make:
The high efficiency range of the air-conditioning Energy Efficiency Ratio is determined according to the air-conditioning Energy Efficiency Ratio；
Using the corresponding refrigerating capacity section of the high efficiency range of the air-conditioning Energy Efficiency Ratio as target refrigerating capacity section.
Further, the cooling tower energy conservation based on BA, which increases when longevity control program is executed by processor, also realizes following behaviour
Make:
When the cooling water refrigerating capacity is in target refrigerating capacity section, keep the operation quantity of cooling tower constant；
When the cooling water refrigerating capacity is not in target refrigerating capacity section, the operation number of the cooling tower is adjusted
Amount.
Further, the cooling tower energy conservation based on BA, which increases when longevity control is executed by processor, also realizes following operation:
When the cooling water refrigerating capacity is not in target refrigerating capacity section, outdoor temperature and cooling water water outlet are obtained
Temperature；
Obtain the corresponding target temperature threshold value in target refrigerating capacity section；
The cooling tower is adjusted according to the outdoor temperature, the cooling water leaving water temperature and the target temperature threshold value
Run quantity.
Further, the cooling tower energy conservation based on BA, which increases when longevity control program is executed by processor, also realizes following behaviour
Make:
When the cooling water leaving water temperature is more than the target temperature threshold value, according to the outdoor temperature and the cooling
Water leaving water temperature increases the operation quantity of the cooling tower；
When the cooling water leaving water temperature is lower than the target temperature threshold value, according to the outdoor temperature and the cooling
Water leaving water temperature reduces the operation quantity of the cooling tower.
Freeze water leaving water temperature, chilled water return water temperature and chilled-water flow by obtaining in the present embodiment；According to described cold
Freeze water leaving water temperature, the chilled water return water temperature and the chilled-water flow and calculates cooling water refrigerating capacity；Obtain predetermined analog
Performance parameter table obtains target refrigerating capacity section according to the predetermined analog performance parameter table；Judge the cooling water refrigerating capacity
Whether in target refrigerating capacity section, the operation quantity of cooling tower is adjusted according to judging result, to be obtained by calculation
Cooling water refrigerating capacity, judges whether cooling water refrigerating capacity adjusts the operation quantity of cooling tower in target refrigerating capacity section, solves
The air-conditioning Energy Efficiency Ratio for reducing refrigeration host computer declines whole energy consumption not to rise instead, energy-efficient effect is not achieved, cannot extend
The technical issues of service life of equipment.
In addition, the embodiment of the present invention also proposes that a kind of cooling tower energy conservation based on BA increases longevity control device, institute referring to Fig. 5
Stating the cooling tower energy conservation increasing longevity control device based on BA includes:
Data acquisition module 10, for obtaining chilled water leaving water temperature, chilled water return water temperature and chilled-water flow.
It should be understood that the waste of central air conditioner system operation energy consumption is related to refrigerating medium circulation (chilled water circulation), system
The cyclic process of refrigerant cycle (inside refrigeration host computer), coolant circulation (cooling water circulation) three kinds of media contains refrigeration master
Multiple heat exchanging process such as machine, water pump, cooling tower, end-equipment, which dictates that central air conditioner system cannot be with Linear Control system
System, simple Partial controll equipment component and reach energy-efficient effect.
It is understood that in traditional central air conditioning cooling water system controlling capacity of refrigeration, often using cooling
General pipeline passes in and out the start-up and shut-down control strategy of the cooling tower of water temperature difference or cold Ta Ta general pipeline's leaving water temperature, to control cooling water in atmosphere
In heat dissipation capacity, reach energy-efficient purpose, but this control thinking, the change for ignoring cooling water control amount can bring refrigeration
The change of host operating condition reduces the air-conditioning Energy Efficiency Ratio of refrigeration host computer, and not declining whole energy consumption can rise instead, and energy conservation is not achieved
Effect.
Data computation module 20, for according to the chilled water leaving water temperature, the chilled water return water temperature and described cold
Freeze water flow and calculates cooling water refrigerating capacity.
It should be noted that cooling can be calculated according to chilled water leaving water temperature, chilled water return water temperature and chilled water cold amount
Circulatory system institute chilling requirement, i.e. cooling water refrigerating capacity.
It should be understood that calculating the calculation formula of cooling water refrigerating capacity are as follows:
Q=a*L*C (T1-T2),
Wherein, Q is cooling water refrigerating capacity, and a is constant, and L is chilled-water flow, and C is the specific heat capacity of water, T1Go out for chilled water
Coolant-temperature gage, T2For chilled water return water temperature.
Can be 41.868 it is understood that a in formula is constant, can also be other constants, the present embodiment to this not
It is restricted, the present embodiment is illustrated so that a is 41.868 as an example.
Section determining module 30, for obtaining predetermined analog performance parameter table, according to the predetermined analog performance parameter table
Obtain target refrigerating capacity section.
It should be noted that predetermined analog performance parameter table is obtained, it is available according to the predetermined analog performance parameter table,
The high efficiency range of refrigeration host computer concentrates on sub-load section, and too high or too low rate of load condensate can all cause the air-conditioning of refrigeration host computer
Energy Efficiency Ratio sharply declines, all in the operational process of refrigeration host computer, how to adjust the relevant cooling tower operation number of units in periphery, real
The operation number of units of time control controlling refrigerating capacity people having the same aspiration and interest section refrigeration host computer and the relevant device parameter of periphery are equally important, allow refrigeration host computer
As long as (energy consumption equipment) is run in high efficiency range always.
It is understood that target refrigeration section is the corresponding refrigerating capacity section of high efficiency range of air-conditioning Energy Efficiency Ratio, pass through
The high efficiency range that air-conditioning Energy Efficiency Ratio is searched in predetermined analog performance parameter table is obtained with target refrigerating capacity section, described pre-
If simulated performance parameter list is the parameter information set according to refrigeration host computer model.
Quantity regulating module 40, for judge the cooling water refrigerating capacity whether in target refrigerating capacity section, root
It is judged that result adjusts the operation quantity of cooling tower.
It is understood that by judging that the refrigerating capacity whether in target refrigerating capacity section, can be
The no high efficiency range positioned at air-conditioning Energy Efficiency Ratio, when in the high efficiency range for being located at air-conditioning Energy Efficiency Ratio, then at refrigeration host computer at this time
It is run in high efficiency range, when not being located in the high efficiency range of air-conditioning Energy Efficiency Ratio, the operation quantity by adjusting cooling tower makes sky
It adjusts Energy Efficiency Ratio to be located at high efficiency range, so that refrigeration host computer be made to be in high efficiency range operation, reaches energy-efficient purpose, moreover, passing through
This control method adjusts the operation quantity of cooling tower, can run always to avoid cooling tower, thus reach protection cooling tower,
The effect to prolong the service life.
In the concrete realization, for example, according to predetermined analog performance parameter table it is found that the high efficiency range of air-conditioning Energy Efficiency Ratio is 6-
6.5, corresponding refrigerating capacity section, that is, target refrigerating capacity section is 300-600, the cooling water system being calculated according to above-mentioned steps
Cooling capacity is 200, and for cooling water refrigerating capacity not in target refrigerating capacity section, therefore, it is necessary to increase cooling at this time known to
The operation quantity of tower reaches cooling water refrigerating capacity in target refrigerating capacity section.
Freeze water leaving water temperature, chilled water return water temperature and chilled-water flow by obtaining in the present embodiment；According to described cold
Freeze water leaving water temperature, the chilled water return water temperature and the chilled-water flow and calculates cooling water refrigerating capacity；Obtain predetermined analog
Performance parameter table obtains target refrigerating capacity section according to the predetermined analog performance parameter table；Judge the cooling water refrigerating capacity
Whether in target refrigerating capacity section, the operation quantity of cooling tower is adjusted according to judging result, to be obtained by calculation
Cooling water refrigerating capacity, judges whether cooling water refrigerating capacity adjusts the operation quantity of cooling tower in target refrigerating capacity section, solves
The air-conditioning Energy Efficiency Ratio for reducing refrigeration host computer declines whole energy consumption not to rise instead, energy-efficient effect is not achieved, cannot extend
The technical issues of service life of equipment.
In one embodiment, the data acquisition module 10 is also used to obtain predetermined analog performance parameter table, according to described
Predetermined analog performance parameter table obtains air-conditioning Energy Efficiency Ratio；Target refrigerating capacity section is determined according to the air-conditioning Energy Efficiency Ratio.
In one embodiment, the data computation module 20 is also used to according to the chilled water leaving water temperature, the freezing
Water return water temperature and the chilled-water flow calculate the calculation formula of cooling water refrigerating capacity are as follows:
Q=a*L*C (T1-T2),
Wherein, Q is cooling water refrigerating capacity, and a is constant, and L is chilled-water flow, and C is the specific heat capacity of water, T1Go out for chilled water
Coolant-temperature gage, T2For chilled water return water temperature.
In one embodiment, the section determining module 30 is also used to determine the air-conditioning energy according to the air-conditioning Energy Efficiency Ratio
Imitate the high efficiency range of ratio；Using the corresponding refrigerating capacity section of the high efficiency range of the air-conditioning Energy Efficiency Ratio as target refrigerating capacity section.
In one embodiment, the quantity regulating module 40 is also used to freeze in the cooling water refrigerating capacity in the target
When measuring in section, keep the operation quantity of cooling tower constant；In the cooling water refrigerating capacity not in target refrigerating capacity section
When interior, the operation quantity of the cooling tower is adjusted.
In one embodiment, the quantity regulating module 40 is also used in the cooling water refrigerating capacity not in the target system
When in cooling capacity section, outdoor temperature and cooling water leaving water temperature are obtained；Obtain the corresponding target temperature in target refrigerating capacity section
Spend threshold value；The cooling tower is adjusted according to the outdoor temperature, the cooling water leaving water temperature and the target temperature threshold value
Run quantity.
In one embodiment, the quantity regulating module 40 is also used in the cooling water leaving water temperature be more than the target
When temperature threshold, increase the operation quantity of the cooling tower according to the outdoor temperature and the cooling water leaving water temperature；Institute
When stating cooling water leaving water temperature lower than the target temperature threshold value, subtracted according to the outdoor temperature and the cooling water leaving water temperature
The operation quantity of few cooling tower.
Cooling tower energy conservation of the present invention based on BA increases the other embodiments of longevity control device or specific implementation can
Referring to above-mentioned each method embodiment, details are not described herein again.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art
The part contributed out can be embodied in the form of software products, which is stored in one as described above
In computer readable storage medium (such as ROM/RAM, magnetic disk, CD), including some instructions are with so that an intelligent terminal is set
Standby (can be mobile phone, computer, terminal device, air conditioner or network-termination device etc.) executes each embodiment of the present invention
The method.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of cooling tower energy conservation based on BA increases longevity control method, which is characterized in that the cooling tower energy conservation based on BA increases
Longevity control method the following steps are included:
Obtain chilled water leaving water temperature, chilled water return water temperature and chilled-water flow；
Cooling water refrigeration is calculated according to the chilled water leaving water temperature, the chilled water return water temperature and the chilled-water flow
Amount；
Predetermined analog performance parameter table is obtained, target refrigerating capacity section is obtained according to the predetermined analog performance parameter table；
Judge that whether in target refrigerating capacity section, the fortune of cooling tower is adjusted according to judging result for the cooling water refrigerating capacity
Line number amount.
2. the cooling tower energy conservation based on BA increases longevity control method as described in claim 1, which is characterized in that described according to
Chilled water leaving water temperature, the chilled water return water temperature and the chilled-water flow calculate the calculation formula of cooling water refrigerating capacity
Are as follows:
Q=a*L*C (T1-T2),
Wherein, Q is cooling water refrigerating capacity, and a is constant, and L is chilled-water flow, and C is the specific heat capacity of water, T1Go out water temperature for chilled water
Degree, T2For chilled water return water temperature.
3. the cooling tower energy conservation based on BA increases longevity control method as described in claim 1, which is characterized in that described obtain is preset
Simulated performance parameter list obtains target refrigerating capacity section according to the predetermined analog performance parameter table, specifically includes:
Predetermined analog performance parameter table is obtained, air-conditioning Energy Efficiency Ratio is obtained according to the predetermined analog performance parameter table；
Target refrigerating capacity section is determined according to the air-conditioning Energy Efficiency Ratio.
4. the cooling tower energy conservation based on BA increases longevity control method as claimed in claim 3, which is characterized in that described according to
Air-conditioning Energy Efficiency Ratio determines target refrigerating capacity section, specifically includes:
The high efficiency range of the air-conditioning Energy Efficiency Ratio is determined according to the air-conditioning Energy Efficiency Ratio；
Using the corresponding refrigerating capacity section of the high efficiency range of the air-conditioning Energy Efficiency Ratio as target refrigerating capacity section.
5. the cooling tower energy conservation as described in any one of claims 1 to 4 based on BA increases longevity control method, which is characterized in that
It is described to judge that whether in target refrigerating capacity section, the fortune of cooling tower is adjusted according to judging result for the cooling water refrigerating capacity
Line number amount, specifically includes:
When the cooling water refrigerating capacity is in target refrigerating capacity section, keep the operation quantity of cooling tower constant；
When the cooling water refrigerating capacity is not in target refrigerating capacity section, the operation quantity of the cooling tower is adjusted.
6. the cooling tower energy conservation based on BA increases longevity control method as claimed in claim 5, which is characterized in that described described cold
But when water refrigerating capacity is not in target refrigerating capacity section, the operation quantity of the cooling tower is adjusted, is specifically included:
When the cooling water refrigerating capacity is not in target refrigerating capacity section, obtains outdoor temperature and cooling water goes out water temperature
Degree；
Obtain the corresponding target temperature threshold value in target refrigerating capacity section；
The operation of the cooling tower is adjusted according to the outdoor temperature, the cooling water leaving water temperature and the target temperature threshold value
Quantity.
7. the cooling tower energy conservation based on BA increases longevity control method as claimed in claim 6, which is characterized in that described according to
Outdoor temperature, the cooling water leaving water temperature and the target temperature threshold value adjust the operation quantity of the cooling tower, specific to wrap
It includes:
When the cooling water leaving water temperature is more than the target temperature threshold value, gone out according to the outdoor temperature and the cooling water
Coolant-temperature gage increases the operation quantity of the cooling tower；
When the cooling water leaving water temperature is lower than the target temperature threshold value, gone out according to the outdoor temperature and the cooling water
Coolant-temperature gage reduces the operation quantity of the cooling tower.
8. a kind of cooling tower energy conservation based on BA increases longevity control device, which is characterized in that the cooling tower energy conservation based on BA increases
Longevity control device includes:
Data acquisition module, for obtaining chilled water leaving water temperature, chilled water return water temperature and chilled-water flow；
Data computation module, it is cold for being calculated according to the chilled water leaving water temperature, chilled water return water temperature and chilled-water flow
But water refrigerating capacity；
Section determining module obtains mesh according to the predetermined analog performance parameter table for obtaining predetermined analog performance parameter table
Mark refrigerating capacity section；
Quantity regulating module, for judging the cooling water refrigerating capacity whether in target refrigerating capacity section, according to judgement
As a result the operation quantity of cooling tower is adjusted.
9. a kind of cooling tower energy conservation based on BA, which increases the longevity, controls equipment, which is characterized in that the cooling tower energy conservation based on BA increases
Longevity control equipment include: memory, processor and be stored on the memory and can run on the processor based on
The cooling tower energy conservation of BA increases longevity control program, and the cooling tower energy conservation based on BA increases longevity control program and is arranged for carrying out such as right
It is required that the step of cooling tower energy conservation described in any one of 1 to 7 based on BA increases longevity control method.
10. a kind of storage medium, which is characterized in that be stored with the cooling tower energy conservation based on BA on the storage medium and increase longevity control
Program, the cooling tower energy conservation based on BA, which increases when longevity control program is executed by processor, to be realized as any in claim 1 to 7
The step of cooling tower energy conservation based on BA described in increases longevity control method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910724440.4A CN110332848A (en) | 2019-08-08 | 2019-08-08 | A kind of cooling tower energy conservation increasing longevity control method, device and equipment based on BA |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910724440.4A CN110332848A (en) | 2019-08-08 | 2019-08-08 | A kind of cooling tower energy conservation increasing longevity control method, device and equipment based on BA |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110332848A true CN110332848A (en) | 2019-10-15 |
Family
ID=68148803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910724440.4A Pending CN110332848A (en) | 2019-08-08 | 2019-08-08 | A kind of cooling tower energy conservation increasing longevity control method, device and equipment based on BA |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110332848A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1654893A (en) * | 2005-01-28 | 2005-08-17 | 杨东 | Energy-saving intelligent control system for central air conditioner |
| CN2909078Y (en) * | 2005-12-31 | 2007-06-06 | 东莞市广大制冷有限公司 | Central air conditioning system capable of regulating flow of cooling water and refrigeration water |
| CN201014677Y (en) * | 2007-02-14 | 2008-01-30 | 广州金关节能科技发展有限公司 | Central air-conditioning intelligent group control device |
| CN201589372U (en) * | 2009-12-11 | 2010-09-22 | 上海智明自控系统设备有限公司 | Energy efficiency control system of central air conditioning |
| CN104006489A (en) * | 2014-04-28 | 2014-08-27 | 国家电网公司 | Air conditioning system as well as air conditioner control device and refrigerating method thereof |
| CN205807750U (en) * | 2016-06-29 | 2016-12-14 | 启明天工（苏州）控制系统有限公司 | Cold group control energy-saving control system and air-conditioning equipment |
| CN107741080A (en) * | 2017-10-12 | 2018-02-27 | 广东美的暖通设备有限公司 | Central air-conditioning starting-up method, device and central air-conditioning |
| CN109631282A (en) * | 2018-12-21 | 2019-04-16 | 深圳市紫衡技术有限公司 | A kind of central air conditioner system control method and its system, equipment, storage medium |
-
2019
- 2019-08-08 CN CN201910724440.4A patent/CN110332848A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1654893A (en) * | 2005-01-28 | 2005-08-17 | 杨东 | Energy-saving intelligent control system for central air conditioner |
| CN2909078Y (en) * | 2005-12-31 | 2007-06-06 | 东莞市广大制冷有限公司 | Central air conditioning system capable of regulating flow of cooling water and refrigeration water |
| CN201014677Y (en) * | 2007-02-14 | 2008-01-30 | 广州金关节能科技发展有限公司 | Central air-conditioning intelligent group control device |
| CN201589372U (en) * | 2009-12-11 | 2010-09-22 | 上海智明自控系统设备有限公司 | Energy efficiency control system of central air conditioning |
| CN104006489A (en) * | 2014-04-28 | 2014-08-27 | 国家电网公司 | Air conditioning system as well as air conditioner control device and refrigerating method thereof |
| CN205807750U (en) * | 2016-06-29 | 2016-12-14 | 启明天工（苏州）控制系统有限公司 | Cold group control energy-saving control system and air-conditioning equipment |
| CN107741080A (en) * | 2017-10-12 | 2018-02-27 | 广东美的暖通设备有限公司 | Central air-conditioning starting-up method, device and central air-conditioning |
| CN109631282A (en) * | 2018-12-21 | 2019-04-16 | 深圳市紫衡技术有限公司 | A kind of central air conditioner system control method and its system, equipment, storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Liu et al. | Optimal chiller sequencing control in an office building considering the variation of chiller maximum cooling capacity | |
| CN104567148B (en) | Air conditioning defrost method and device | |
| Yao et al. | Optimal operation of a large cooling system based on an empirical model | |
| US7567888B2 (en) | Method for evaluating and optimizing performance of chiller system | |
| CN104633857B (en) | Air conditioner energy-saving optimization control method and device | |
| CN100594348C (en) | Free cooling activation optimized controls | |
| CN104049716B (en) | Computer energy-saving method and system combined with temperature sensing | |
| US10181725B2 (en) | Method for operating at least one distributed energy resource comprising a refrigeration system | |
| CN107166666A (en) | Air conditioner heat-production control method, device and computer-readable recording medium | |
| CN107906700A (en) | Air conditioner and its control method, control device and computer-readable recording medium | |
| CN108224702A (en) | For the control method and device of central air conditioner system | |
| CN103423833B (en) | Multi-gang air-conditioner progress control method and control device | |
| CN110631212B (en) | Energy-saving control method for central air-conditioning cooling water system | |
| CN102265097A (en) | Load handling balance setting device | |
| CN113739371B (en) | Central air conditioning system based on cloud cooperation and control method thereof | |
| CN107894077A (en) | Air conditioner and its control method, control device and computer-readable recording medium | |
| WO2023040694A1 (en) | Method and apparatus for calculating energy efficiency of refrigerating machine room, and electronic device | |
| CN112747419B (en) | Wind-water linkage control method, device and equipment for central air conditioner and storage medium | |
| CN109323414A (en) | Air conditioner and its control method and control device and electronic equipment | |
| CN110332848A (en) | A kind of cooling tower energy conservation increasing longevity control method, device and equipment based on BA | |
| CN112082248A (en) | Air conditioner and outdoor unit defrosting control method thereof | |
| CN108692425A (en) | Air conditioner defrosting control method | |
| CN112857132B (en) | Cooling tower, cooling tower detection control method, device, equipment and storage medium | |
| CN109323406A (en) | Air conditioner and its control method, server and its control method | |
| CN115127197B (en) | Method and device for determining operation strategy of refrigerator, electronic equipment and storage medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191015 |