CN107883519A - Central air-conditioning, the control method of its cooling tower, device and readable storage medium storing program for executing - Google Patents
Central air-conditioning, the control method of its cooling tower, device and readable storage medium storing program for executing Download PDFInfo
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- CN107883519A CN107883519A CN201710995294.XA CN201710995294A CN107883519A CN 107883519 A CN107883519 A CN 107883519A CN 201710995294 A CN201710995294 A CN 201710995294A CN 107883519 A CN107883519 A CN 107883519A
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Abstract
The embodiment of the present invention provides a kind of central air-conditioning, the control method of its cooling tower, device and readable storage medium storing program for executing, belongs to air-conditioning technical field.The central air-conditioning includes cooling water pump, and this method includes:The current cooling water return water temperature of wet-bulb temperature and the cooling water pump outside sensing chamber;Preferable cooling water return water temperature is determined according to the outdoor wet-bulb temperature and cooling tower coefficient;According to current cooling water return water temperature, temperature deviation permissible value and the preferable cooling water return water temperature, the blower fan of the cooling tower is controlled.The present invention can be such that cooling tower is operated in for demand thermal discharge under the optimal power save mode of needs.
Description
Technical field
The present invention relates to air-conditioning technical field, more particularly to a kind of central air-conditioning, the control method of its cooling tower, device
And readable storage medium storing program for executing.
Background technology
Central air conditioner system structure is mainly made up of three parts:Refrigeration host computer, air-conditioner water system and air conditioning duct system.
Refrigeration host computer is the core of whole system, and it provides cold for whole system.The refrigeration principle of general refrigeration host computer
Be compressor the relatively low both vapor compression of pressure into the higher steam of pressure, reduce the volume of steam, pressure rise.Compressor
The working substance steam of the lower pressure from evaporator processing is sucked, condenser is sent into after being allowed to pressure rise, condenses within the condenser
The liquid higher into pressure, after choke valve throttles, after turning into the relatively low liquid of pressure, evaporator is sent into, is inhaled in evaporator
Thermal evaporation forms the relatively low steam of pressure, the entrance of compressor is re-fed into, so as to complete kind of refrigeration cycle.
Air-conditioner water system includes chilled water system and cooling water system.Chilled water system be responsible for refrigeration host computer come out it is cold
Freeze the fan coil progress heat exchange that water is transported to building room, refrigeration host computer system is returned by the chilled water of heat exchange
It is cold.Cooling water system main function be by refrigeration host computer the heat absorption of chilled water one end and be input to cooling tower carry out it is cold
But, the heat of refrigeration host computer absorption refrigerating water one end is returned.
Cooling water system wherein in air-conditioner water system includes chilled(cooling) water return (CWR) and cooling tower loop two parts, and cooling water returns
Lu Zhong, the water supply of condenser are transmitted by water pump, realize the heat exchange of cooling backwater and refrigerant.In cooling tower loop, from condensation
The cooling water that device comes out carries amount of heat, is exchanged heat in cooling tower with surrounding environment, realizes cooling.
Present inventor has found that the such scheme of prior art has following defect during the present invention is realized:
In the prior art in chilled(cooling) water return (CWR), cooling water pump and blower fan of cooling tower are unable to coordinated operation, and usual cooling tower operates in maximum
Under wind speed, power consumption is larger.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of central air-conditioning, the control method of its cooling tower, device and readable deposited
Storage media, the central air-conditioning, the control method of its cooling tower, device and readable storage medium storing program for executing can be such that cooling tower is put for demand
Heat is operated under the optimal power save mode of needs.
To achieve these goals, the embodiment of the present invention provides a kind of control method of the cooling tower of central air-conditioning, in this
Centre air-conditioning includes cooling water pump, and this method includes:The current cooling water backwater of wet-bulb temperature and the cooling water pump outside sensing chamber
Temperature;Preferable cooling water return water temperature is determined according to the outdoor wet-bulb temperature and cooling tower coefficient;According to the current cooling
Water return water temperature, temperature deviation permissible value and the preferable cooling water return water temperature, control the blower fan of the cooling tower.
Preferably, the preferable cooling water return water temperature is calculated by below equation:T2=(a+1) × T1+ b, wherein, T1
For the outdoor wet-bulb temperature, a and b are the cooling tower coefficient, the T2For the preferable cooling water return water temperature.
Preferably, returned according to current cooling water return water temperature, temperature deviation permissible value and the preferable cooling water
Coolant-temperature gage, controlling the blower fan of the cooling tower includes:It is determined that the current cooling water return water temperature is more than the preferable cooling
Water return water temperature and the temperature deviation permissible value and when, increase the operation quantity and frequency of the blower fan of the cooling tower;
Determine that the current cooling water return water temperature is less than the difference of the preferable cooling water return water temperature and the temperature deviation permissible value
When, reduce the operation quantity and frequency of the blower fan of the cooling tower;It is determined that the current cooling water return water temperature is less than or equal to
The preferable cooling water return water temperature and the temperature deviation permissible value and, and be more than or equal to the preferable cooling water backwater
When temperature and the difference of the temperature deviation permissible value, the wind of the cooling tower is controlled according to the state of the blower fan of the cooling tower
Machine.
Preferably, the blower fan for controlling the cooling tower according to the state of the blower fan of the cooling tower includes:It is determined that described
When the blower fan of cooling tower is closed, the blower fan of the cooling tower is controlled to remain off;It is determined that the cooling tower
Blower fan when being in running status, reduce the frequency of the blower fan of the cooling tower.
The embodiment of the present invention also provides a kind of control device of the cooling tower of central air-conditioning, and the central air-conditioning includes cooling water
Pump, the device include:Detection unit, processing unit and control unit, wherein, the detection unit is used for wet bulb outside sensing chamber
The current cooling water return water temperature of temperature and the cooling water pump;The processing unit be used for according to the outdoor wet-bulb temperature and
Cooling tower coefficient determines preferable cooling water return water temperature;Described control unit be used for according to the current cooling water return water temperature,
Temperature deviation permissible value and the preferable cooling water return water temperature, control the blower fan of the cooling tower.
Preferably, the processing unit is additionally operable to calculate the preferable cooling water return water temperature by below equation:T2=
(a+1)×T1+ b, wherein, T1 is the outdoor wet-bulb temperature, and a and b are the cooling tower coefficient, the T2It is cold for the ideal
But water return water temperature.
Preferably, described control unit is additionally operable to:It is determined that the current cooling water return water temperature is cold more than the ideal
But water return water temperature and the temperature deviation permissible value and when, increase the operation quantity and frequency of the blower fan of the cooling tower;
It is determined that the current cooling water return water temperature is less than the preferable cooling water return water temperature and the temperature deviation permissible value
When poor, reduce the operation quantity and frequency of the blower fan of the cooling tower;It is determined that the current cooling water return water temperature is less than etc.
In the preferable cooling water return water temperature and the temperature deviation permissible value and, and more than or equal to the preferable cooling water time
During the difference of coolant-temperature gage and the temperature deviation permissible value, the wind of the cooling tower is controlled according to the state of the blower fan of the cooling tower
Machine.
Preferably, it is determined that the current cooling water return water temperature is less than or equal to the preferable cooling water return water temperature and institute
The sum of temperature deviation permissible value is stated, and more than or equal to the preferable cooling water return water temperature and the temperature deviation permissible value
When poor, described control unit is additionally operable to:When it is determined that the blower fan of the cooling tower is closed, the cooling tower is controlled
Blower fan remains off;When it is determined that the blower fan of the cooling tower is in running status, reduce the blower fan of the cooling tower
Frequency.
The embodiment of the present invention also provides a kind of central air-conditioning, the central air-conditioning include cooling water pump, cooling tower and above
The control device of the cooling tower of described central air-conditioning.
The embodiment of the present invention also provides a kind of machinable medium, and finger is stored with the machinable medium
Order, the instruction are used for the control method for the cooling tower for causing machine to perform central air-conditioning described above.
Pass through above-mentioned technical proposal, using central air-conditioning provided by the invention, the control method of its cooling tower, device and can
Storage medium is read, the central air-conditioning includes cooling water pump, and this method includes:Wet-bulb temperature and the cooling water pump outside sensing chamber
Current cooling water return water temperature;Preferable cooling water return water temperature is determined according to the outdoor wet-bulb temperature and cooling tower coefficient;Root
It is described cold according to current cooling water return water temperature, temperature deviation permissible value and the preferable cooling water return water temperature, control
But the blower fan of tower.After the present invention can allow cooling tower ability to reach the demand in the heat release energy of system needs, cooling is automatically adjusted
The blower fan of tower, cooling tower can be allowed to be operated in for demand thermal discharge under the optimal power save mode of needs.
The further feature and advantage of the embodiment of the present invention will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Accompanying drawing is that the embodiment of the present invention is further understood for providing, and a part for constitution instruction, with
The embodiment in face is used to explain the embodiment of the present invention together, but does not form the limitation to the embodiment of the present invention.Attached
In figure:
Fig. 1 is the flow chart of the control method of the cooling tower for the central air-conditioning that one embodiment of the invention provides;
Fig. 2 is the flow chart of the control method of the cooling tower for the central air-conditioning that another embodiment of the present invention provides;
Fig. 3 is the flow chart of the control method of the cooling tower for the central air-conditioning that another embodiment of the present invention provides;
Fig. 4 is the flow chart of the control device of the cooling tower for the central air-conditioning that one embodiment of the invention provides.
Description of reference numerals
The processing unit of 1 detection unit 2
3 control units.
Embodiment
The embodiment of the embodiment of the present invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that this
The embodiment of place description is merely to illustrate and explain the present invention embodiment, is not intended to limit the invention embodiment.
Fig. 1 is the flow chart of the control method of the cooling tower for the central air-conditioning that one embodiment of the invention provides.Such as Fig. 1 institutes
Show, the central air-conditioning includes cooling water pump, and this method includes:The current cooling of wet-bulb temperature and the cooling water pump outside sensing chamber
Water return water temperature (step S11);Preferable cooling water return water temperature (step is determined according to the outdoor wet-bulb temperature and cooling tower coefficient
Rapid S12);According to current cooling water return water temperature, temperature deviation permissible value and the preferable cooling water return water temperature, control
Make the blower fan (step S13) of the cooling tower.
In embodiments of the present invention, frequency converter can be had by controlling the equipment of the blower fan of cooling tower, by changing frequency converter
Output frequency is to change the frequency of the blower fan of cooling tower.
The temperature of approaching of cooling tower increases with the reduction of outdoor wet-bulb temperature, and significant linear relationship is presented in both;That is,
It can will approach temperature and be expressed as the function of wet-bulb temperature:Cooling tower approaches temperature=a × wet-bulb temperature+b, wherein a<0, b>0,
A and b is determined by the model of cooling tower, is mainly dissipated matter index impacts by the filler of cooling tower.The control of cooling tower uses cooling tower
Approach temperature control method:Water outlet (cooling water backwater) temperature=wet-bulb temperature+cooling tower of cooling tower approaches temperature.
Therefore in embodiments of the present invention, the preferable cooling water return water temperature can be calculated by below equation:T2=
(a+1)×T1+ b, wherein, T1For the outdoor wet-bulb temperature, a and b are the cooling tower coefficient, the T2It is cold for the ideal
But water return water temperature.
, can be in the hope of under the outdoor wet-bulb temperature after current outdoor wet-bulb temperature is detected by above-mentioned formula
Preferable cooling water return water temperature.Then, permitted according to the current cooling water return water temperature, the pre-set temperature deviation that detect
Perhaps value and the preferable cooling water return water temperature calculated can adjust the blower fan of cooling tower.Wherein, temperature deviation permissible value can
To be the value of very little, such as 1.5 DEG C etc..Set value can carry out real-time optimization according to system overall heat dissipation load.
Fig. 2 is the flow chart of the control method of the cooling tower for the central air-conditioning that another embodiment of the present invention provides.Such as Fig. 2 institutes
Show, this method includes:The current cooling water return water temperature (step S21) of wet-bulb temperature and the cooling water pump outside sensing chamber;Root
Preferable cooling water return water temperature (step S22) is determined according to the outdoor wet-bulb temperature and cooling tower coefficient;Judge described current cold
But water return water temperature whether be more than the preferable cooling water return water temperature and the temperature deviation permissible value and (step S23);
It is determined that the current cooling water return water temperature is more than the preferable cooling water return water temperature and the temperature deviation permissible value
And when, increase the operation quantity and frequency (step S24) of the blower fan of the cooling tower;It is determined that the current cooling water backwater temperature
Degree no more than the preferable cooling water return water temperature and the temperature deviation permissible value and when, judge the current cooling water time
Whether coolant-temperature gage is less than the difference (step S25) of the preferable cooling water return water temperature and the temperature deviation permissible value;It is determined that
When the current cooling water return water temperature is less than the difference of the preferable cooling water return water temperature and the temperature deviation permissible value, subtract
The operation quantity and frequency (step S26) of the blower fan of the small cooling tower;It is determined that the current cooling water return water temperature is less than
Equal to the preferable cooling water return water temperature and the temperature deviation permissible value and, and be more than or equal to the preferable cooling water
During the difference of return water temperature and the temperature deviation permissible value, the cooling tower is controlled according to the state of the blower fan of the cooling tower
Blower fan (step S27).
The present embodiment provides a kind of operation quantity of blower fan of cooling tower and the adjustment mode of frequency.In the present embodiment,
Mainly the current cooling water return water temperature that detection obtains is contrasted with following two data:First is preferable cooling water backwater
Temperature and temperature deviation permissible value and;Second is the difference of preferable cooling water return water temperature and temperature deviation permissible value.Contrasting
Afterwards, three kinds of situations can occur, its be more than preferable cooling water return water temperature and temperature deviation permissible value and when, increase is cold
But the operation quantity and frequency of the blower fan of tower;When it is less than the difference of preferable cooling water return water temperature and temperature deviation permissible value,
Reduce the operation quantity and frequency of the blower fan of cooling tower;Being less than or equal to preferable cooling water return water temperature and temperature deviation at it allows
Sum of value, and more than or equal to preferable cooling water return water temperature and temperature deviation permissible value difference when, the present invention can be according to cold
But the blower fan of tower state control cooling tower blower fan, it is specific as follows text described in.
Fig. 3 is the flow chart of the control method of the cooling tower for the central air-conditioning that another embodiment of the present invention provides.Such as Fig. 3 institutes
Show, it is determined that the current cooling water return water temperature is permitted less than or equal to the preferable cooling water return water temperature with the temperature deviation
Perhaps the sum being worth, and more than or equal to the preferable cooling water return water temperature and the temperature deviation permissible value difference when, this method
Also include:Judge whether the blower fan of the cooling tower is closed (step S31);It is determined that at the blower fan of the cooling tower
When closed mode, the blower fan of the cooling tower is controlled to remain off (step S32);It is determined that the blower fan of the cooling tower
During in running status, reduce the frequency (step S33) of the blower fan of the cooling tower.
The present embodiment provide referred in above-described embodiment be less than or equal to preferable cooling water in current cooling water return water temperature
Return water temperature and temperature deviation permissible value and, and more than or equal to preferable cooling water return water temperature and temperature deviation permissible value
In the case of difference, the mode of the blower fan of cooling tower is adjusted.
Wherein, when the blower fan of cooling tower is closed, remain off constant;The blower fan of cooling tower is in operation
During state, the rotating speed of the blower fan of cooling tower is gradually reduced.
Fig. 4 is the flow chart of the control device of the cooling tower for the central air-conditioning that one embodiment of the invention provides.Such as Fig. 4 institutes
Show, the central air-conditioning includes cooling water pump, and the device includes:Detection unit 1, processing unit 2 and control unit 3, wherein, institute
State detection unit 1 and be used for the current cooling water return water temperature of wet-bulb temperature and the cooling water pump outside sensing chamber;The processing is single
Member 2 is used to determine preferable cooling water return water temperature according to the outdoor wet-bulb temperature and cooling tower coefficient;Described control unit 3 is used
According to current cooling water return water temperature, temperature deviation permissible value and the preferable cooling water return water temperature, institute is controlled
State the blower fan of cooling tower.
Preferably, the processing unit 2 is additionally operable to calculate the preferable cooling water return water temperature by below equation:T2=
(a+1)×T1+ b, wherein, T1For the outdoor wet-bulb temperature, a and b are the cooling tower coefficient, the T2It is cold for the ideal
But water return water temperature.
Preferably, described control unit 3 is additionally operable to:It is determined that the current cooling water return water temperature is cold more than the ideal
But water return water temperature and the temperature deviation permissible value and when, increase the operation quantity and frequency of the blower fan of the cooling tower;
It is determined that the current cooling water return water temperature is less than the preferable cooling water return water temperature and the temperature deviation permissible value
When poor, reduce the operation quantity and frequency of the blower fan of the cooling tower;It is determined that the current cooling water return water temperature is less than etc.
In the preferable cooling water return water temperature and the temperature deviation permissible value and, and more than or equal to the preferable cooling water time
During the difference of coolant-temperature gage and the temperature deviation permissible value, the wind of the cooling tower is controlled according to the state of the blower fan of the cooling tower
Machine.
Preferably, it is determined that the current cooling water return water temperature is less than or equal to the preferable cooling water return water temperature and institute
The sum of temperature deviation permissible value is stated, and more than or equal to the preferable cooling water return water temperature and the temperature deviation permissible value
When poor, described control unit 3 is additionally operable to:When it is determined that the blower fan of the cooling tower is closed, the cooling tower is controlled
Blower fan remain off;When it is determined that the blower fan of the cooling tower is in running status, reduce the blower fan of the cooling tower
Frequency.
The embodiment of the present invention also provides a kind of central air-conditioning, the central air-conditioning include cooling water pump, cooling tower and above
The control device of the cooling tower of described central air-conditioning.
The embodiment of the present invention also provides a kind of machinable medium, and finger is stored with the machinable medium
Order, the instruction are used for the control method for the cooling tower for causing machine to perform central air-conditioning described above.
Pass through above-mentioned technical proposal, using central air-conditioning provided by the invention, the control method of its cooling tower, device and can
Storage medium is read, after cooling tower ability can be allowed to reach the demand in the heat release energy of system needs, automatically adjusts the wind of cooling tower
Machine, cooling tower can be allowed to be operated in for demand thermal discharge under the optimal power save mode of needs.
The optional embodiment of the embodiment of the present invention is described in detail above in association with accompanying drawing, still, the embodiment of the present invention is simultaneously
The detail being not limited in above-mentioned embodiment, can be to of the invention real in the range of the technology design of the embodiment of the present invention
The technical scheme for applying example carries out a variety of simple variants, and these simple variants belong to the protection domain of the embodiment of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, the embodiment of the present invention pair
Various combinations of possible ways no longer separately illustrate.
It will be appreciated by those skilled in the art that realize that all or part of step in above-described embodiment method is to pass through
Program instructs the hardware of correlation to complete, and the program storage is in the storage medium, including some instructions are causing list
Piece machine, chip or processor (processor) perform all or part of step of each embodiment methods described of the application.It is and preceding
The storage medium stated includes:USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only Memory), random access memory
(RAM, Random Access Memory), magnetic disc or CD etc. are various can be with the medium of store program codes.
In addition, it can also be combined between a variety of embodiments of the embodiment of the present invention, as long as it is not
The thought of the embodiment of the present invention is run counter to, it should equally be considered as disclosure of that of the embodiment of the present invention.
Claims (10)
1. a kind of control method of the cooling tower of central air-conditioning, it is characterised in that the central air-conditioning includes cooling water pump, this method
Including:
The current cooling water return water temperature of wet-bulb temperature and the cooling water pump outside sensing chamber;
Preferable cooling water return water temperature is determined according to the outdoor wet-bulb temperature and cooling tower coefficient;
According to current cooling water return water temperature, temperature deviation permissible value and the preferable cooling water return water temperature, control
The blower fan of the cooling tower.
2. the control method of the cooling tower of central air-conditioning according to claim 1, it is characterised in that the preferable cooling water
Return water temperature is calculated by below equation:
T2=(a+1) × T1+ b, wherein, T1For the outdoor wet-bulb temperature, a and b are the cooling tower coefficient, the T2To be described
Preferable cooling water return water temperature.
3. the control method of the cooling tower of central air-conditioning according to claim 1, it is characterised in that according to described current cold
But water return water temperature, temperature deviation permissible value and the preferable cooling water return water temperature, the blower fan bag of the cooling tower is controlled
Include:
It is determined that the current cooling water return water temperature is more than the preferable cooling water return water temperature and the temperature deviation and allowed
Value and when, increase the operation quantity and frequency of the blower fan of the cooling tower;
It is determined that the current cooling water return water temperature is less than the preferable cooling water return water temperature and the temperature deviation and allowed
During the difference of value, reduce the operation quantity and frequency of the blower fan of the cooling tower;
It is determined that the current cooling water return water temperature is less than or equal to the preferable cooling water return water temperature and the temperature deviation
The sum of permissible value, and more than or equal to the preferable cooling water return water temperature and the temperature deviation permissible value difference when, according to
The state of the blower fan of the cooling tower controls the blower fan of the cooling tower.
4. the control method of the cooling tower of central air-conditioning according to claim 3, it is characterised in that according to the cooling tower
The state of blower fan control the blower fan of the cooling tower to include:
When it is determined that the blower fan of the cooling tower is closed, the blower fan of the cooling tower is controlled to remain off;
When it is determined that the blower fan of the cooling tower is in running status, reduce the frequency of the blower fan of the cooling tower.
5. a kind of control device of the cooling tower of central air-conditioning, it is characterised in that the central air-conditioning includes cooling water pump, the device
Including:
Detection unit, processing unit and control unit, wherein,
The detection unit is used for the current cooling water return water temperature of wet-bulb temperature and the cooling water pump outside sensing chamber;
The processing unit is used to determine preferable cooling water return water temperature according to the outdoor wet-bulb temperature and cooling tower coefficient;
Described control unit is used for according to the current cooling water return water temperature, temperature deviation permissible value and the preferable cooling
Water return water temperature, control the blower fan of the cooling tower.
6. the control device of the cooling tower of central air-conditioning according to claim 5, it is characterised in that the processing unit is also
For calculating the preferable cooling water return water temperature by below equation:
T2=(a+1) × T1+ b, wherein, T1For the outdoor wet-bulb temperature, a and b are the cooling tower coefficient, the T2To be described
Preferable cooling water return water temperature.
7. the control device of the cooling tower of central air-conditioning according to claim 5, it is characterised in that described control unit is also
For:
It is determined that the current cooling water return water temperature is more than the preferable cooling water return water temperature and the temperature deviation and allowed
Value and when, increase the operation quantity and frequency of the blower fan of the cooling tower;
It is determined that the current cooling water return water temperature is less than the preferable cooling water return water temperature and the temperature deviation and allowed
During the difference of value, reduce the operation quantity and frequency of the blower fan of the cooling tower;
It is determined that the current cooling water return water temperature is less than or equal to the preferable cooling water return water temperature and the temperature deviation
The sum of permissible value, and more than or equal to the preferable cooling water return water temperature and the temperature deviation permissible value difference when, according to
The state of the blower fan of the cooling tower controls the blower fan of the cooling tower.
8. the control device of the cooling tower of central air-conditioning according to claim 7, it is characterised in that it is determined that described current
Cooling water return water temperature be less than or equal to the preferable cooling water return water temperature and the temperature deviation permissible value and, and be more than
During equal to the difference of the preferable cooling water return water temperature and the temperature deviation permissible value, described control unit is additionally operable to:
When it is determined that the blower fan of the cooling tower is closed, the blower fan of the cooling tower is controlled to remain off;
When it is determined that the blower fan of the cooling tower is in running status, reduce the frequency of the blower fan of the cooling tower.
9. a kind of central air-conditioning, it is characterised in that the central air-conditioning is included in cooling water pump, cooling tower and claim 5-8
The control device of the cooling tower of central air-conditioning described in any one claim.
10. a kind of machinable medium, instruction is stored with the machinable medium, the instruction is used to cause machine
Perform claim requires the control method of the cooling tower of the central air-conditioning described in any one claim in 1-4.
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CN109556225A (en) * | 2018-10-31 | 2019-04-02 | 珠海格力电器股份有限公司 | Control method for refrigerating capacity of cooling system and cooling system |
CN109612030A (en) * | 2018-11-08 | 2019-04-12 | 广州地铁设计研究院股份有限公司 | A kind of full frequency conversion energy-saving control method of central air-conditioning |
CN110398034A (en) * | 2019-07-15 | 2019-11-01 | 广东美的暖通设备有限公司 | Cooling tower control method, system and the air-conditioning of air-conditioning |
CN110553369A (en) * | 2019-09-04 | 2019-12-10 | 珠海格力电器股份有限公司 | Multi-fan cooling tower control method, cooling tower and air conditioner |
CN111076602A (en) * | 2019-12-31 | 2020-04-28 | 北京世纪互联宽带数据中心有限公司 | Cooling tower fan control method and system |
CN112857132A (en) * | 2021-01-07 | 2021-05-28 | 丁一 | Cooling tower, cooling tower detection control method, device, equipment and storage medium |
CN113188363A (en) * | 2021-06-04 | 2021-07-30 | 上海美控智慧建筑有限公司 | Cooling tower monitoring method, device, equipment and storage medium |
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