CN105546757B - A kind of group control method and system of water cooler - Google Patents
A kind of group control method and system of water cooler Download PDFInfo
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- CN105546757B CN105546757B CN201610013560.XA CN201610013560A CN105546757B CN 105546757 B CN105546757 B CN 105546757B CN 201610013560 A CN201610013560 A CN 201610013560A CN 105546757 B CN105546757 B CN 105546757B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Air Conditioning Control Device (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The present invention provides a kind of group control method of water cooler and systems, the method comprise the steps that acquiring the corresponding cooling load of currently running water cooler；The cooling load of acquisition is compared with preset cooling load；When the cooling load of acquisition and the preset cooling load meet preset condition, load is carried out to the currently running water cooler or off-load operates.The group control method and system of a kind of water cooler provided in an embodiment of the present invention are able to solve the problem of currently can not carrying out team control management to the ancillary equipment of cold station computer room.
Description
Technical field
The present invention relates to automatic control technology fields, in particular to the group control method and system of a kind of water cooler.
Background technique
With the enlargement of modern architecture, multifunction and intelligence, necessarily lead to air-conditioning equipment kind in building
Class is various, and technical performance is complicated.With being continuously increased for maintenance service maintenance project, management work is unartificial to be dealt with.
Therefore, the most important management means of modern architecture is had become using Automatic monitoring systems technology and computer management.
Current water chilling unit system often by cooling-water machine setting in engineering site, and the auxiliary being connected with cooling-water machine
Equipment (such as host, host controller, motor-driven valve, water pump and cooling tower etc.) is set in cold station.In the fortune of water cooler
During row, often there is the case where refrigerating capacity that water cooler provides is not inconsistent with extraneous actually required refrigerating capacity, therefore
It needs to control the start and stop of water cooler.
However, being the control for ancillary equipment in cold station there is no group control system in some undersize items at present
It often needs very professional computer lab management personnel to operate, with the increasingly increase of water chilling unit system, relies in this way
Artificial operation mode is obviously no longer satisfied demand.
In view of the above-mentioned problems, not yet proposing effective solution mode at present.
Summary of the invention
The embodiment of the invention provides a kind of group control methods of water cooler, currently can not be to the auxiliary of cold station computer room with solution
The problem of helping equipment to carry out team control management, this method include acquiring the corresponding cooling load of currently running water cooler；It will adopt
The cooling load of collection is compared with preset cooling load；When the cooling load of acquisition is set in advance with described
When fixed cooling load meets preset condition, load is carried out to the currently running water cooler or off-load operates.
In one embodiment, the corresponding cooling load of the currently running water cooler of acquisition specifically includes acquisition and works as
The corresponding circulating fluid flow rate of the water cooler of preceding operation, cold-water return temperature and cold water supply water temperature；According to acquisition
Circulating fluid flow rate, cold-water return temperature and cold water supply water temperature calculate the currently running cooling-water machine according to following formula
The corresponding cooling load of group:
Q=K × M × (T1-T2)
Wherein, Q represents the corresponding cooling load of the currently running water cooler, and K represents the specific heat coefficient of cycling hot,
M represents the circulating fluid flow rate, and T1 represents the cold-water return temperature, and T2 represents the cold water supply water temperature.
In one embodiment, when the cooling load of acquisition and the preset cooling load meet default item
When part, load is carried out to the currently running water cooler or off-load operation specifically includes: presetting cooling load
Change increment；When the variation that the cooling load of acquisition is less than the preset cooling load and the cooling load increases
When the difference of amount, load operation is carried out to the currently running water cooler；When the cooling load of acquisition is greater than described pre-
When the sum of the variation increment of the cooling load and the cooling load that first set, the currently running water cooler is subtracted
Carry operation.
In one embodiment, it carries out load operation to the currently running water cooler to specifically include: according to spare
The corresponding operation total duration of every cooling-water machine in cooling-water machine, filters out cooling-water machine to be loaded from the spare cooling-water machine；?
After the currently running water cooler is added in the cooling-water machine to be loaded, the preset cooling load pair is calculated
The base load rating answered；According to the base load rating and carry out the sum of cooling-water machine in operating status after load operation
Amount calculates the corresponding mean load value of every cooling-water machine；According to the mean load value, adjusting is currently at the cold of operating status
The actual motion of water dispenser loads.
In one embodiment, it carries out off-load operation to the currently running water cooler to specifically include: according to current
The corresponding operation total duration of every cooling-water machine in the water cooler of operation, filtered out from the currently running water cooler to
The cooling-water machine of off-load；By it is described after the cooling-water machine of off-load from the currently running water cooler remove after, described in calculating
The corresponding base load rating of preset cooling load；Fortune is according to the base load rating and after carrying out off-load operation
The total quantity of the cooling-water machine of row state calculates the corresponding mean load value of every cooling-water machine；According to the mean load value, adjust
It is currently at the actual motion load of the cooling-water machine of operating status.
In one embodiment, the cooling-water machine to off-load is being removed from the currently running water cooler
Afterwards, the method also includes: for the cooling-water machine to off-load, starting protection duration is set；In the starting protection duration,
To the cooling-water machine of off-load described in No starting.
In one embodiment, before carrying out load or off-load operation to the currently running water cooler, institute
State method further include: interlock the host in same cooling-water machine with water pump.
The embodiment of the invention also provides a kind of group control systems of water cooler, currently can not be to cold station computer room with solution
Ancillary equipment carries out the problem of team control management, which includes: host, host controller, motor-driven valve, water pump and cooling tower,
Be provided with team control module in the host controller, the team control module by movable contact respectively with the motor-driven valve, institute
It states water pump and the cooling tower is connected, wherein the team control module includes: switching value output module, for that described will can be changed
It is converted between active contact and passive contact contact；Cooling load acquisition module, for acquiring currently running cold water
The corresponding cooling load of unit；Contrast module, the cooling load and preset cooling load for that will acquire carry out
Comparison；Processing module, for when the cooling load of acquisition and the preset cooling load meet preset condition,
Load or off-load operation are carried out to the currently running water cooler.
In one embodiment, the processing module specifically includes: load cooling-water machine screening module, for according to spare cold
The corresponding operation total duration of every cooling-water machine in water dispenser, filters out cooling-water machine to be loaded from the spare cooling-water machine；First
Base load rating computing module, for counting after the currently running water cooler is added in the cooling-water machine to be loaded
Calculate the corresponding base load rating of the preset cooling load；First mean load value computing module, for according to
It is corresponding to calculate every cooling-water machine for base load rating and the total quantity for carrying out cooling-water machine in operating status after load operation
Mean load value；First operation load regulation module, for according to the mean load value, adjusting to be currently at operating status
The actual motion of cooling-water machine loads.
In one embodiment, the processing module specifically includes: off-load cooling-water machine screening module, for according to current fortune
The corresponding operation total duration of every cooling-water machine in capable water cooler, filters out from the currently running water cooler wait subtract
The cooling-water machine of load；Second base load rating computing module, for by the cooling-water machine to off-load from described currently running
After removing in water cooler, the corresponding base load rating of the preset cooling load is calculated；Second mean load value meter
Module is calculated, for according to the base load rating and carrying out the total quantity of cooling-water machine in operating status after off-load operation,
Calculate the corresponding mean load value of every cooling-water machine；Second operation load regulation module, for adjusting according to the mean load value
Section is currently at the actual motion load of the cooling-water machine of operating status.
The group control method and system of a kind of water cooler according to the present invention, by the host controller of water cooler
Team control module is set, so as to control motor-driven valve, water pump and the cooling tower in cooling-water machine system.In practical application
In scene, the team control module can be monitored in real time the cooling load of currently running water cooler, and by the refrigeration duty of monitoring
Amount is compared with preset cooling load, so as to selectively carry out load or off-load behaviour according to the result of comparison
Make.The load or the operation of off-load can be by controlling the motor-driven valve in cooling-water machine system, water pump and cooling tower
On-off is realized.It can be seen that the group control method and system of a kind of water cooler provided in an embodiment of the present invention, are able to solve and work as
Before can not to it is cold station computer room ancillary equipment carry out team control management the problem of.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is a kind of schematic diagram of the group control system of water cooler provided by the embodiments of the present application；
Fig. 2 is a kind of group control method flow chart of water cooler provided by the embodiments of the present application.
Specific embodiment
In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality
The attached drawing in example is applied, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described implementation
Example is merely a part but not all of the embodiments of the present application.Based on the embodiment in the application, this field is common
The application protection all should belong in technical staff's all other embodiment obtained without making creative work
Range.
Fig. 1 is a kind of group control system schematic diagram of water cooler provided by the embodiments of the present application.As shown in Fig. 1, the system
System may include the host in the cold station, host controller, motor-driven valve, water pump and cooling tower, these in cold station
Ancillary equipment can be connected with the cooling-water machine for being located at engineering site.In order to realize the team control to water cooler, implement in the application
Team control module can be set in the host controller in example, the team control module pass through movable contact (not shown) respectively with
The motor-driven valve, the water pump and the cooling tower are connected, to control the motor-driven valve, the water pump and the cooling tower
On-off.
The sequence for starting a cooling-water machine can be the blower for first starting cooling tower, then start water pump, finally restart
Cooling-water machine.And the sequence for closing a cooling-water machine then can be opposite: first closing cooling-water machine, is then shut off water pump, finally turns off
The blower of cooling tower.In the embodiment of the present application, switching value output module (not shown) can be set in the team control module.
The switching value output module can be connected with the movable contact, and the switching value output module can be by changing output
Digital signal is converted to control the movable contact between active contact and passive contact.For example, working as the switching value
When the digital signal of output module output is 0, the movable contact can be converted to passive contact, can pass through cutting in this way
Some ancillary equipment being connected with the team control module is closed in some contact in the passive contact.On the contrary, when described
Switching value output module output digital signal be 1 when, the movable contact can then be converted to active contact, so as to for
The ancillary equipment being connected with the team control module provides power supply.
It should be noted that the case where illustrating only a cooling-water machine in Fig. 1, often exists in practical application scene
Multiple cooling-water machines, so as to constitute water cooler, then in the embodiment of the present application can be in the host control of each cooling-water machine
It is respectively provided with above-mentioned team control module in device processed, and each team control module is subjected to data interchange, so as to realize to cold water
The team control of unit.
In the embodiment of the present application, it can be analyzed by the cooling load to currently running water cooler, thus
Realize the team control to the water cooler.Specifically, it can be set in the team control module currently running cold for acquiring
The cooling load acquisition module of the corresponding cooling load of water dispenser group.The cooling load acquisition module can in cooling-water machine system
Each sensor be connected, these sensors can be used to obtain cooling-water machine system operation various parameters.Specifically, described cold
The corresponding circulating fluid flow rate of load acquisition module currently running water cooler available first, cold-water return temperature and
Then cold water supply water temperature can calculate the corresponding cooling load of the currently running water cooler according to following formula:
Q=K × M × (T1-T2)
Wherein, Q represents the corresponding cooling load of the currently running water cooler, and K represents the specific heat coefficient of cycling hot,
M represents the circulating fluid flow rate, and T1 represents the cold-water return temperature, and T2 represents the cold water supply water temperature.
Above-mentioned calculated cooling load is the practical cooling load generated of current water cooler.However in certain situations
Under, the practical cooling load generated of the water cooler might not match with the cooling load of extraneous demand.Therefore, at this
Apply in embodiment, can according to locating for water cooler environment and the period, preset the environment and the period be corresponding cold negative
Lotus amount.The described environment and period corresponding cooling load can be the cooling load of actual demand, in this way, implementing in the application
Example the team control module in contrast module can also be set, the cooling load for that will acquire and it is preset it is cold bear
Lotus amount compares.
After comparing, can often occur three kinds as a result, one is the cooling load of acquisition with it is preset
Cooling load is identical, then illustrate that currently running water cooler outwardly provides required cooling load enough, thus without
Other operations need to be acquired to currently running water cooler.
When the cooling load of acquisition and preset cooling load difference, then need to currently running water cooler
Carry out load or off-load operation.The load operation can be understood as increasing into currently running water cooler additional cold
Water dispenser, to increase the cooling load outwardly provided.And the off-load operation then can be understood as from currently running cooling-water machine
Corresponding cooling-water machine is reduced in group, to reduce the cooling load outwardly provided.
In the embodiment of the present application, it is contemplated that the cooling load in actual environment can change within the scope of one, if directly
It connects and compares the cooling load of acquisition and theoretical pre-set cooling load, do not stop it would be possible that will cause comparing result
Variation, so that water cooler does not stop to switch between load and off-load, thus will cause the frequent start-stop of cooling-water machine, it can be right
The service life of cooling-water machine has an impact.
In consideration of it, the variation increment of cooling load can be preset in the embodiment of the present application.So when the institute of acquisition
It, can be to described when stating cooling load less than the difference of the preset cooling load and the variation increment of the cooling load
Currently running water cooler carries out load operation；And when the cooling load of acquisition is greater than the preset refrigeration duty
When amount and the sum of the variation increment of the cooling load, off-load operation can be carried out to the currently running water cooler.Example
Such as, the pre-set cooling load can be Q1, and the variation increment can be Q2, then in the embodiment of the present application,
As long as the cooling load of acquisition can not add currently running water cooler in the section of [Q1-Q2, Q1+Q2]
It carries or off-load operates, avoid the frequent start-stop to cooling-water machine.
After analyzing the cooling load of acquisition, can be taken according to the result of analysis corresponding load or
Off-load measure.Therefore processing module can be set in the team control module, for when acquisition the cooling load with it is described
When preset cooling load meets preset condition, load is carried out to the currently running water cooler or off-load is grasped
Make.The preset condition that meets can be to compare condition for above-mentioned size, in the embodiment of the present application can be according to comparison
Result take corresponding operation.It specifically, can be from when needing to carry out currently running water cooler load operation
The cooling-water machine that preset quantity is chosen in multiple spare cooling-water machines of standby mode is added in currently running water cooler, with
The cooling load provided the external world is provided.It in the embodiment of the present application, can in order to make full use of the working efficiency of each cooling-water machine
It is spare in currently running water cooler reasonably to select to need to be added to the operating time for combining each cooling-water machine total
Cooling-water machine.Specifically, the cold random screening module of load can be arranged in the embodiment of the present application in the processing module, be used for basis
The corresponding operation total duration of every cooling-water machine in spare cooling-water machine, filters out cold water to be loaded from the spare cooling-water machine
Machine.For example, spare cooling-water machine one shares 5, this corresponding operation total duration of 5 cooling-water machines is respectively 200 hours, 250 hours,
120 hours, 300 hours and 100 hours, then can choose operation total duration from this 5 cooling-water machines is 100 hours
Cooling-water machine, to be added in currently running water cooler.Certainly, the quantity of the cooling-water machine of selection can be pre-set, can
Think 1 or 2 or more, the embodiment of the present application is to this and without limitation.
After currently running water cooler is added in the cooling-water machine to be loaded filtered out, in order to guarantee each cooling-water machine
Load balancing, the corresponding mean load value of each water cooler can be recalculated in the embodiment of the present application.Specifically, exist
The first base load rating computing module can be set in the processing module, for institute to be added in the cooling-water machine to be loaded
After stating currently running water cooler, the corresponding base load rating of the preset cooling load is calculated.Cooling load with
Often there is a corresponding relationship between load value, this corresponding relationship can be indicated by following formula:
Q=σ P
Wherein, Q can represent cooling load, and σ can represent conversion coefficient, and P can represent load value.Specifically, described
Conversion coefficient can determine that conversion coefficient is higher, the refrigeration duty being converted to from load value according to the cooling-water machine of actual motion
It measures also higher.
After calculating the corresponding base load rating of the preset cooling load, it can be set in processing module
The first mean load value computing module is set, for according to the base load rating and carrying out in operating status after load operation
Cooling-water machine total quantity, calculate the corresponding mean load value of every cooling-water machine.For example, the base load rating is P, carrying out
The total quantity of cooling-water machine in operating status is N after load operation, then the mean load value can be for P/N.
After determining the corresponding mean load value of every cooling-water machine, first can be arranged in the processing module
Load regulation module is run, for adjusting the practical fortune for being currently at the cooling-water machine of operating status according to the mean load value
Row load.
When needing to carry out off-load operation to currently running water cooler, then above-mentioned similar step can be equally carried out
Suddenly.Specifically, off-load cooling-water machine screening module can be set in processing module first, for according to currently running cooling-water machine
The corresponding operation total duration of every cooling-water machine in group, filters out the cold water to off-load from the currently running water cooler
Machine.Specifically, the cold water to off-load can be determined as by the longest cooling-water machine of total duration is run in currently running water cooler
Machine.Then second base load rating computing module can be set in processing module, for by the cooling-water machine to off-load
After removing in the currently running water cooler, the corresponding base load rating of the preset cooling load is calculated.
Similarly, the second mean load value computing module can also be set in the processing module, for according to the nominal load
The total quantity of cooling-water machine in operating status, calculates the corresponding average load of every cooling-water machine after value and progress off-load operation
Value；And the second operation load regulation module, for adjusting the cold water for being currently at operating status according to the mean load value
The actual motion of machine loads.
It is operated by above-mentioned load or off-load, can outwardly provide the cooling load needed for it, while may be used also
With the workload of balanced each cooling-water machine, the working efficiency of every cooling-water machine is taken full advantage of, to increase entire cold water
The service life of machine set system.
It, in the embodiment of the present application can be in addition, in order to avoid carrying out enabling again to just deactivated cooling-water machine
Protective module is set in the team control module, for starting protection duration to be arranged for the cooling-water machine to off-load and in institute
It states in starting protection duration, to the cooling-water machine of off-load described in No starting.In this way, after a certain cooling-water machine stops working, it can
To avoid again starting it whithin a period of time, to be protected to the cooling-water machine.
In addition, sometimes will appear the failure of various equipment in practical application scene.Such as in certain operational process
In, there is failure in the host in cooling-water machine, then cooling-water machine just can not work normally at this time, however water pump and can not know master
Machine breaks down, to will continue to supply water into cooling-water machine, can cause to damage to cooling-water machine in this way.In order to avoid such situation
Occur, interlocking module can be set in the team control module of the embodiment of the present application, for by the host and water in same cooling-water machine
Pump is interlocked.In this way, another party can also stop work immediately when no matter the either side in host or water pump breaks down
Make, to be protected to cooling-water machine.
Therefore a kind of group control system of water cooler according to the present invention, pass through the host control in water cooler
Team control module is set in device, so as to control motor-driven valve, water pump and the cooling tower in cooling-water machine system.In reality
In application scenarios, the team control module can be monitored in real time the cooling load of currently running water cooler, and by the cold of monitoring
Load is compared with preset cooling load, so as to selectively carry out load or off-load according to the result of comparison
Operation.The load or the operation of off-load can pass through motor-driven valve, water pump and the cooling tower in control cooling-water machine system
On-off realize.It can be seen that the group control method and system of a kind of water cooler provided in an embodiment of the present invention, are able to solve
The problem of can not currently team control management being carried out to the ancillary equipment of cold station computer room.
The application also provides a kind of group control method of water cooler.Fig. 2 is a kind of cooling-water machine provided by the embodiments of the present application
The group control method flow chart of group.As shown in Fig. 2, the method may include:
S1: the corresponding cooling load of currently running water cooler is acquired；
S2: the cooling load of acquisition is compared with preset cooling load；
S3: when the cooling load of acquisition and the preset cooling load meet preset condition, to described
Currently running water cooler carries out load or off-load operation.
In one preferred embodiment of the application, the corresponding cooling load of currently running water cooler that acquires specifically is wrapped
It includes:
Obtain the corresponding circulating fluid flow rate of currently running water cooler, cold-water return temperature and cold water supply water temperature；
According to the circulating fluid flow rate of acquisition, cold-water return temperature and cold water supply water temperature, according to following formula meters
Calculate the corresponding cooling load of the currently running water cooler:
Q=K × M × (T1-T2)
Wherein, Q represents the corresponding cooling load of the currently running water cooler, and K represents the specific heat coefficient of cycling hot,
M represents the circulating fluid flow rate, and T1 represents the cold-water return temperature, and T2 represents the cold water supply water temperature.
In another preferred embodiment of the application, when the cooling load and the preset cooling load of acquisition
When meeting preset condition, load is carried out to the currently running water cooler or off-load operation specifically includes:
Preset the variation increment of cooling load；
When the variation that the cooling load of acquisition is less than the preset cooling load and the cooling load increases
When the difference of amount, load operation is carried out to the currently running water cooler；
When the variation that the cooling load of acquisition is greater than the preset cooling load and the cooling load increases
When the sum of amount, off-load operation is carried out to the currently running water cooler.
In another preferred embodiment of the application, the specific packet of load operation is carried out to the currently running water cooler
It includes:
According to the corresponding operation total duration of every cooling-water machine in spare cooling-water machine, filtered out from the spare cooling-water machine to
The cooling-water machine of load；
After the currently running water cooler is added in the cooling-water machine to be loaded, calculate described preset
The corresponding base load rating of cooling load；
According to the base load rating and the total quantity of cooling-water machine in operating status after load operation is carried out, is calculated
The corresponding mean load value of every cooling-water machine；
According to the mean load value, the actual motion load for being currently at the cooling-water machine of operating status is adjusted.
In another preferred embodiment of the application, the specific packet of off-load operation is carried out to the currently running water cooler
It includes:
According to the corresponding operation total duration of every cooling-water machine in currently running water cooler, from described currently running cold
The cooling-water machine to off-load is filtered out in water dispenser group；
By it is described after the cooling-water machine of off-load after being removed in the currently running water cooler, calculate and described set in advance
The corresponding base load rating of fixed cooling load；
According to the total quantity of cooling-water machine in operating status after the base load rating and progress off-load operation, calculate
The corresponding mean load value of every cooling-water machine；
According to the mean load value, the actual motion load for being currently at the cooling-water machine of operating status is adjusted.
In another preferred embodiment of the application, by the cooling-water machine to off-load from the currently running cooling-water machine
After being removed in group, the method also includes:
For the cooling-water machine to off-load, starting protection duration is set；
In the starting protection duration, to the cooling-water machine of off-load described in No starting.
In another preferred embodiment of the application, load or off-load behaviour are being carried out to the currently running water cooler
Before work, the method also includes:
Host in same cooling-water machine is interlocked with water pump.
It should be noted that specific implementation process in above-mentioned each method and step with the description one in apparatus module
It causes, just repeats no more here.
Therefore a kind of group control method of water cooler according to the present invention, pass through the host control in water cooler
Team control module is set in device, so as to control motor-driven valve, water pump and the cooling tower in cooling-water machine system.In reality
In application scenarios, the team control module can be monitored in real time the cooling load of currently running water cooler, and by the cold of monitoring
Load is compared with preset cooling load, so as to selectively carry out load or off-load according to the result of comparison
Operation.The load or the operation of off-load can pass through motor-driven valve, water pump and the cooling tower in control cooling-water machine system
On-off realize.It can be seen that the group control method and system of a kind of water cooler provided in an embodiment of the present invention, are able to solve
The problem of can not currently team control management being carried out to the ancillary equipment of cold station computer room.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the embodiment of the present invention can have various modifications and variations.All within the spirits and principles of the present invention, made
Any modification, equivalent substitution, improvement and etc. should all be included in the protection scope of the present invention.
Claims (5)
1. a kind of group control method of water cooler characterized by comprising
Acquire the corresponding cooling load of currently running water cooler；
The cooling load of acquisition is compared with preset cooling load；
When the cooling load of acquisition and the preset cooling load meet preset condition, to the current operation
Water cooler carry out load or off-load operation；
When the cooling load of acquisition and the preset cooling load meet preset condition, to the current operation
Water cooler carry out load or off-load operation specifically include:
Preset the variation increment of cooling load；
When the cooling load of acquisition be less than the preset cooling load and the cooling load variation increment it
When poor, load operation is carried out to the currently running water cooler；
When the cooling load of acquisition be greater than the preset cooling load and the cooling load variation increment it
And when, off-load operation is carried out to the currently running water cooler；
Load operation is carried out to the currently running water cooler to specifically include:
According to the corresponding operation total duration of every cooling-water machine in spare cooling-water machine, filtered out from the spare cooling-water machine to be loaded
Cooling-water machine；
After the currently running water cooler is added in the cooling-water machine to be loaded, calculate described preset cold negative
The corresponding base load rating of lotus amount；
According to the base load rating and the total quantity of cooling-water machine in operating status after load operation is carried out, calculates every
The corresponding mean load value of cooling-water machine；
According to the mean load value, the actual motion load for being currently at the cooling-water machine of operating status is adjusted；
Off-load operation is carried out to the currently running water cooler to specifically include:
According to the corresponding operation total duration of every cooling-water machine in currently running water cooler, from the currently running cooling-water machine
The cooling-water machine to off-load is filtered out in group；
It after the cooling-water machine of off-load is from removal in the currently running water cooler, is calculated described preset by described
The corresponding base load rating of cooling load；
According to the total quantity of cooling-water machine in operating status after the base load rating and progress off-load operation, every is calculated
The corresponding mean load value of cooling-water machine；
According to the mean load value, the actual motion load for being currently at the cooling-water machine of operating status is adjusted.
2. group control method as described in claim 1, which is characterized in that the currently running water cooler of acquisition is corresponding cold
Load specifically includes:
Obtain the corresponding circulating fluid flow rate of currently running water cooler, cold-water return temperature and cold water supply water temperature；
According to the circulating fluid flow rate of acquisition, cold-water return temperature and cold water supply water temperature, institute is calculated according to following formula
State the corresponding cooling load of currently running water cooler:
Wherein,The corresponding cooling load of the currently running water cooler is represented,The specific heat coefficient of cycling hot is represented,The circulating fluid flow rate is represented,The cold-water return temperature is represented,Represent the cold water supply water temperature.
3. group control method as described in claim 1, which is characterized in that by the cooling-water machine to off-load from the current fortune
After being removed in capable water cooler, the method also includes:
For the cooling-water machine to off-load, starting protection duration is set；
In the starting protection duration, to the cooling-water machine of off-load described in No starting.
4. group control method as described in claim 1, which is characterized in that loaded to the currently running water cooler
Or before off-load operation, the method also includes:
Host in same cooling-water machine is interlocked with water pump.
5. a kind of group control system of water cooler, including host, host controller, motor-driven valve, water pump and cooling tower, feature
Be, be provided with team control module in the host controller, the team control module by movable contact respectively with it is described electronic
Valve, the water pump and the cooling tower are connected, wherein the team control module includes:
Switching value output module, for converting the movable contact between active contact and passive contact；
Cooling load acquisition module, for acquiring the corresponding cooling load of currently running water cooler；
Contrast module, for comparing the cooling load of acquisition with preset cooling load；
Processing module, for when the cooling load of acquisition and the preset cooling load meet preset condition,
Load or off-load operation are carried out to the currently running water cooler；
The processing module specifically includes:
Cooling-water machine screening module is loaded, for according to the corresponding operation total duration of every cooling-water machine in spare cooling-water machine, from described
Cooling-water machine to be loaded is filtered out in spare cooling-water machine；
First base load rating computing module, for the currently running cooling-water machine to be added in the cooling-water machine to be loaded
After group, the corresponding base load rating of the preset cooling load is calculated；
First mean load value computing module, for being in operation shape according to the base load rating and after carrying out load operation
The total quantity of the cooling-water machine of state calculates the corresponding mean load value of every cooling-water machine；
First operation load regulation module, for adjusting the cooling-water machine for being currently at operating status according to the mean load value
Actual motion load；
The processing module specifically includes:
Off-load cooling-water machine screening module, when for running total according to every cooling-water machine in currently running water cooler is corresponding
It is long, the cooling-water machine to off-load is filtered out from the currently running water cooler；
Second base load rating computing module, for by the cooling-water machine to off-load from the currently running water cooler
After middle removal, the corresponding base load rating of the preset cooling load is calculated；
Second mean load value computing module, for being in operation shape according to the base load rating and after carrying out off-load operation
The total quantity of the cooling-water machine of state calculates the corresponding mean load value of every cooling-water machine；
Second operation load regulation module, for adjusting the cooling-water machine for being currently at operating status according to the mean load value
Actual motion load.
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| CN106642527A (en) * | 2016-11-02 | 2017-05-10 | 珠海格力电器股份有限公司 | Machine room air conditioner control system, machine room system and control method of machine room system |
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| CN107906810A (en) * | 2017-11-03 | 2018-04-13 | 上海电器科学研究所（集团）有限公司 | A kind of energy saving group control method of salt water cooling system of more handpiece Water Chilling Units cooperations |
| CN108895601B (en) * | 2018-06-08 | 2021-02-12 | 青岛海尔空调电子有限公司 | Central air conditioner group control method based on magnetic suspension host |
| CN109838876B (en) * | 2019-02-19 | 2022-03-08 | 陈娟 | Group control management system for central air-conditioning refrigerating machine room |
| CN110068107B (en) * | 2019-04-08 | 2021-04-13 | 广东纽恩泰新能源科技发展有限公司 | Modular control method |
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| CN113124531A (en) * | 2019-12-30 | 2021-07-16 | 青岛海尔空调电子有限公司 | Control method for automatically switching operation modes of water chilling unit |
| CN113324318B (en) * | 2020-02-28 | 2022-10-25 | 青岛海尔中央空调有限公司 | Control method of air-cooled modular unit |
| CN112178872B (en) * | 2020-09-18 | 2021-08-24 | 珠海格力电器股份有限公司 | Water chilling unit control method and device and water chilling unit |
| CN114017300B (en) * | 2021-11-12 | 2024-04-19 | 广州发展南沙电力有限公司 | Intelligent group control method and system for air compressor unit |
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