CN106225184A - Central air conditioner system and control system thereof and control method - Google Patents
Central air conditioner system and control system thereof and control method Download PDFInfo
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- CN106225184A CN106225184A CN201610831851.XA CN201610831851A CN106225184A CN 106225184 A CN106225184 A CN 106225184A CN 201610831851 A CN201610831851 A CN 201610831851A CN 106225184 A CN106225184 A CN 106225184A
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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
- F24F11/62—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
- F24F11/30—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
- F24F11/89—Arrangement or mounting of control or safety devices
-
- 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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
- F24F11/58—Remote control using Internet communication
-
- 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
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- Engineering & Computer Science (AREA)
- 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)
Abstract
The present invention relates to central air conditioner system and control system thereof and control method.In an aspect, it is provided that a kind of central air conditioner system (CA), described central air conditioner system includes multiple system equipment (20) and is suitable to control the control system (10) of the operation of described central air conditioner system.At least one system equipment in the plurality of system equipment is integrated with device controller (12) and is thus configured to intelligence system equipment, and described device controller constitutes at least some of of described control system.In accordance with the invention it is possible to the order form development scheme of the control system of central air conditioner system is improved to standardization, unitized development scheme.
Description
Technical field
The present invention relates to air-conditioning technique field, be specifically related to a kind of central air conditioner system and control system thereof and control
Method.
Background technology
The cold station of central air conditioner system provides air conditioning water for public building, and general by cold, refrigerating water pump, cooling
Pump, cooling tower, valve and automatic control system etc. form.The cold station automatic control system of central air conditioner system can realize certainly
Dynamic management and control, be greatly improved cold station automatic level, reduces management manpower and materials and puts into, and promotes central air conditioner system
Efficiency level.
The cold station automatic control system of the central air conditioner system according to correlation technique is provided by single team control manufacturer.Specifically
Ground, in Practical Project, cold station equipment system equipments such as () such as cold, refrigerating water pump, cooling pump, cooling tower and valves is by equipment
Supplier provides, and automatic control system is provided by team control manufacturer.Cold station due to the central air conditioner system according to correlation technique
Automatic control system is a kind of centralized control system independent of field apparatus, is therefore primarily present problems with.
Owing to central air conditioner system grey water system is various informative, therefore the second-time development workload of automatic control system is big.
For the cold station automatic control system of the central air conditioner system according to correlation technique, DDC (direct digital control) controller
The measured value of collecting sensor and the state feedback information of actuator and be transported to host computer, host computer is based on given
Algorithm Analysis process information, by control instruction by DDC controller output be handed down to each actuator.On stream,
Owing to number of devices specification, the water system form of each project are different, need the control program of each project is ordered
Single entry is developed.This development scheme cycle is long, puts into manpower many, is not suitable with the demand of large-scale development.
The detailed device model of the system equipment in central air conditioner system, performance parameter rest in equipment vendors' hands, and
And be typically its core parameter and cannot share.So, owing to detailed device performance parameters cannot be known, thus automatic control manufacturer
All kinds of system optimizing control be difficult to obtain good energy-saving effect.
Site installation test workload is big.DDC controller needs by a large amount of I/O interface (AI, AO, DI and DO) with on-the-spot
Equipment system equipments such as () such as cold, water pump, blower fan of cooling tower connects.Due to the automatic control system according to correlation technique with
System equipment is completely independent, in order to by the physical connection topology connecting topology and actual central air conditioner system of automatic control system
Coupling, needs control system carries out networking configuration work at the scene and debugs.Networking configuration refers to sensor, execution
The physical message point of the physical devices such as device reflects in control system, and corresponding with the variable in control system, this includes information
The physical connection of point and software set.Thus, the problem brought is for example: it is various that cold station equipment controls information point quantity, causes
Artificial networking configuration workload is huge, and needs the engineer by specialty to complete configuration at the scene, and cost of labor is high, week time
Phase is long；If field apparatus is different from the original plan, then being easily caused automatic control system cannot mate with field apparatus.
It is difficult in adapt to equipment state during central air conditioner system is run change.Such as, in the actual fortune of central air conditioner system
During row, if some system equipment changed in central air conditioner system, the system equipment of other model, increasing are changed
Add deduct number of units of few system equipment etc., then need the configuration of the hardware interface to automatic control system, system, control algolithm etc.
Revising accordingly, this generally requires and is carried out loaded down with trivial details operation at the scene by the engineer of specialty.
In a word, due to the cold station automatic control system of the central air conditioner system according to correlation technique be centralized and independent of
Field apparatus, needs very professional personnel to carry out order form exploitation, and carries out installation and debugging at the scene, greatly limit central authorities
The large-scale development of the cold station automatic control system of air conditioning system and popularization and application.
Here, it is noted that the technology contents provided in this part is intended to contribute to those skilled in the art couple
The understanding of the present invention, and not necessarily constitute prior art.
Summary of the invention
In order to solve or partly solve at least one problem in the problems referred to above in the presence of correlation technique, the present invention
There is provided a kind of central air conditioner system and control system thereof and control method, with the order form by the control system of central air conditioner system
Development scheme is improved to standardization, unitized development scheme.
According to an aspect of the present invention, it is provided that a kind of central air conditioner system.Described central air conditioner system includes multiple system
System equipment and be suitable to control the control system of the operation of described central air conditioner system.In the plurality of system equipment at least one
Individual system equipment is integrated with device controller and is thus configured to intelligence system equipment, and described device controller constitutes described control
System processed at least some of.
Preferably, each system equipment in the plurality of system equipment is all integrated with respective device controller.
Preferably, described respective device controller is connected in series to allow described respective set via external communication line
Communication between preparation controller and negotiation.
Preferably, each system equipment in the plurality of system equipment all includes individual equipment, or, the plurality of system
At least one system equipment in system equipment is embodied as including the system equipment group of multiple same type equipment.
Preferably, at least one system equipment in the plurality of system equipment is embodied as including multiple same type
In the case of the system equipment group of equipment, each same type in multiple same type equipment in described system equipment group sets
For being all integrated with respective device controller.
Preferably, in same system equipment group, described respective device controller is arranged in parallel, and described respectively
From device controller each connect to realize via the device controller of corresponding external communication line and adjacent system equipment
Mutual communication and negotiation.
Preferably, in same system equipment group, described respective device controller interconnects mutually via internal communication line
Connect to realize mutual communication and negotiation.
Preferably, in same system equipment group, described respective device controller have identical control program with
Realize the standardization of control program, and/or, described respective device controller has identical standard information collection.
Preferably, described device controller has the standardized standard information collection associated with corresponding system equipment.
Preferably, described standard information collection includes device type, device numbering, device performance parameters, device model, equipment
Running status, equipment setting value and/or equipment alarm information.
Preferably, the networking of described device controller and corresponding system equipment is arranged in the production plant of corresponding system equipment
Inside complete.
Preferably, described networking configuration includes described device controller and the sensor of corresponding system equipment and/or execution
The IO wiring of device.
Preferably, described central air conditioner system includes cold station, and described control system is suitable to control the fortune at described cold station
OK.
Preferably, described cold station includes cold, refrigerating water pump, cooling pump and/or cooling tower.
According to a further aspect in the invention, it is provided that a kind of control system for central air conditioner system as above.
According to a further aspect in the invention, it is provided that a kind of control method controlling central air conditioner system as above.Institute
State control method to comprise the following steps: each system equipment in the plurality of system equipment is all integrated with respective equipment control
In the case of device processed, interconnective described device controller is made to carry out communication and negotiation, with based on described device controller
Each standard information collection determines the optimization operational factor of described system equipment.
Preferably, described control method is further comprising the steps of: at least one system in the plurality of system equipment
It is each that equipment is embodied as including in the system equipment group of multiple same type equipment and the plurality of same type equipment
In the case of same type equipment is all integrated with respective device controller, in same system equipment group, make to be connected with each other
Described device controller carry out communication and negotiation, with determine the plurality of same type equipment optimization open number of units.
Preferably, determine that the optimization of the plurality of same type equipment is opened number of units and included: will be with described system equipment group
Any one device controller in multiple device controllers of the workload total amount transmission extremely described system equipment group of association, should
Number of units optimal control program and standard based on this device controller that device controller is stored by this device controller are believed
Breath collection determines whether corresponding system equipment is opened, and when determine that this corresponding system equipment needs to open and still described in not met
During workload total amount, this device controller will remain work load in multiple device controllers of described system equipment group
Another device controller transmission.
According to the present invention, by centralized, upgrading independent of the control system of system equipment is improved to control system and system
The intelligence system equipment that device height is integrated, thus the order form development scheme of the control system of central air conditioner system is improved to
Standardization, unitized development scheme.On this basis, it is possible to achieve following Advantageous Effects.
The different number of devices specification that is adapted in the such as water system of central air conditioner system, water system shape
Formula, it is achieved control greatly simplifying of program development work.For example, it is possible to make control system's development cost of labor reduce by 50% with
On, the construction cycle reduces by more than 50%.
Other participant by device performance parameters write device controller, thus can maintained secrecy by equipment vendors
In the case of, it is possible to make system optimizing control obtain good energy-saving effect.For example, it is possible to realize the cold station of central air conditioner system
Energy saving in running 20%～50%.
IO wiring and relevant configuration work between device controller to system equipment can be complete in equipment factory
Becoming, this realization is highly integrated, without wiring at the scene etc. with system equipment.Such as, have only to intelligence system at the scene
Connection between equipment is attached running, site installation test cycle time more than 50%.
In the middle of running, when number of devices, performance parameter etc. change, it is only necessary to connection is carried out accordingly
Adjust, modify without to software and hardware configuration, and do not affect the overall operation of central air conditioner system.
Accompanying drawing explanation
By detailed description to embodiment of the present invention referring to the drawings, the present invention above-mentioned and other mesh
, feature and advantage will be apparent from, in the accompanying drawings:
Fig. 1 is the block diagram illustrating the central air conditioner system according to exemplary embodiment of the invention；And
Fig. 2 is the block diagram of the control system illustrating the central air conditioner system according to exemplary embodiment of the invention.
Description of reference numerals:
10-control system；12-device controller；12A-device controller；12B-device controller；12C-equipment
Controller；12C1-device controller；12C2-device controller；12C3-device controller；12C4-device controller；
12D-device controller；14-external communication line；14.1-external communication line；14.2-external communication line；14.3-it is outside logical
News line；14.4-external communication line；16-internal communication line；20-system equipment；20A-cold；20B-refrigerating water pump；20C-
Cooling pump；20D-cooling tower；CA-central air conditioner system；The cold station of CS-.
Detailed description of the invention
With reference to the accompanying drawings, describe the present invention by illustrative embodiments.To the present invention following in detail
Carefully describe merely for the sake of illustration purpose, and be definitely not the present invention and application thereof or the restriction of purposes.
With reference to Fig. 1 (Fig. 1 is the block diagram illustrating the central air conditioner system according to exemplary embodiment of the invention), according to this
Central air conditioner system CA of invention illustrative embodiments can include multiple system equipment 20 and be suitable to control central air-conditioning
The control system 10 of the operation of system CA.
In some instances, central air conditioner system CA can include such as providing air conditioning water for public building
Cold station CS, and control system 10 may be adapted to control refrigeration plant CS operation.In this case, as it is shown in figure 1, cold station CS can
To include cold 20A, refrigerating water pump 20B, cooling pump 20C, cooling tower 20D and valve (not shown) etc..
As it is shown in figure 1, multiple system equipments 20 (such as, cold 20A, refrigerating water pump 20B, cooling pump 20C and cooling tower 20D)
In each system equipment be all integrated with respective device controller 12A-12D (being generically and collectively referred to as device controller 12), thus constitute
For the intelligence system equipment that so-called control system and device height are integrated.Device controller 12 constitutes control system 10 at least
A part.
In other words, the built-in corresponding device controller of each system equipment, so that each system equipment upgrades to intelligence
Can system equipment, thus can easily each system equipment and attached sensor thereof, executor be controlled.
Device controller 12 can have the standardized standard information collection associated with corresponding system equipment 20.Standard information
Collection may include that device type, device numbering, device performance parameters, device model, equipment running status, equipment setting value and/
Or equipment alarm information.
In this respect, can formulate standard information collection for different system equipment, this sets of data storehouse comprises substantially and is
The various information of system equipment, from without each information point carries out overall situation setting, it is achieved that networking configuration work very big
Simplify.
Such as, the standard information collection of cold may include that device type, device numbering, performance parameter (such as: specified system
Cold, rated power, chilled water metered flow, cooling water metered flow etc.), (i.e. cold goes out device model at different chilled waters
COP curve under the parameters such as mouthful temperature, cooling water inlet temperature, rate of load condensate, chilled-water flow, cooling water flow), running status
(such as: hands auto state, start and stop state, accumulated running time, the number of starts, cold COP, cold power, evaporating temperature, cold
Solidifying temperature, vaporizer water side valve door state, Water in Condenser side valve door state etc.), setting value (such as: hands auto state sets, opens
Stop state setting, chilled water outlet temperature setting etc.), warning message (such as: cold warning, communication state etc.).
Such as, the standard information collection of water pump (including refrigerating water pump and cooling pump) may include that device type, device numbering,
(i.e. water pump is at difference frequency for performance parameter (such as: metered flow, rated power, rated head, rated efficiency etc.), device model
Lift under the parameter such as rate, flow, efficiency curve), running status (such as: hands auto state, start and stop state, accumulative when running
Between, the number of starts, pump efficiency, pump power, pump capacity, water pump frequency, pump head etc.), setting value (such as: hands from
Dynamic state setting, the setting of start and stop state, frequency setting value etc.), warning message (such as: water pump warning, communication state etc.).
In preferred example, all information/variablees of intelligence system equipment self do not repeat and do not omit ground, based on one
Definite sequence form ground inclusive criteria information is concentrated.Thus, when being connected with each other, it is only necessary to device type, device numbering etc. are set
, and can avoid each facility information point carries out global definition and configuration work when disparity items.It addition, as hereafter
Will be further described, based on standard information collection, the search call of information between each intelligence system equipment, can also be realized.
In preferred example, device controller 12 is arranged in corresponding system equipment 20 with the networking of corresponding system equipment 20
Production plant in complete (completing before system equipment dispatches from the factory).Networking configuration can include device controller 12 and corresponding system
The sensor of equipment 20 and/or the IO wiring of executor etc..In other words, between device controller 20 and corresponding system equipment 20
IO wiring and relevant configuration work can complete in factory, this achieves device controller and corresponding system equipment
Highly integrated, without carrying out networking configuration and debugging at the scene.Therefore, have only to intelligence system equipment (tool time at the scene
Body is the built-in device controller of intelligence system equipment) between connection be attached making central air conditioner system CA transport
OK, such that it is able to greatly reduce situ configuration debugging work load.
In some instances, each device controller can only to the system equipment corresponding with this device controller and
Attached sensors and the actuator of this system equipment are controlled.Such as, when system equipment is cold, device controller can
To control the single cold and attached freezing Inlet and outlet water temperature sensor, freezing side electrically operated valve, the cold side that are attached thereto
Electrically operated valve etc..The most such as, when system equipment is water pump, device controller can control the single water pump that is attached thereto and
Attached pressure transducer, temperature sensor etc..The most such as, when system equipment is cooling tower, device controller can control
The single blower fan of cooling tower being attached thereto and attached cooling tower Inlet and outlet water electrically operated valve, cooling tower Inlet and outlet water temperature sensing
Device, outdoor temperature humidity sensor etc..
As it is shown in figure 1, respective device controller 12A-12D can be connected in series to allow via external communication line 14
Communication between respective device controller 12A-12D and negotiation (allow the information that carries out mutual and calculate).
On the one hand, the device controller 12A-12D of different types of system equipment is connected by connection so that the coldest
Freeze the system equipments such as pump, cooling pump, cooling tower and can carry out coordinated signals with cold.Such as, for coordinated signals, when cold is opened
Qi Shi, it is desirable to the refrigerating water pump of correspondence, cooling pump, cooling tower etc. start successively based on regular hour time delay, and when cold is closed
Time, then require that the refrigerating water pump of correspondence, cooling pump, cooling tower etc. are closed successively based on regular hour time delay.
On the other hand, the device controller 12A-12D of different types of system equipment is connected by connection so that a certain
Device controller can performance curve based on self (constituting a part for standard information collection) and other different types of system
The device controller of equipment carries out communication and negotiation, in order to determines optimization operational factor, thus realizes different types of system and set
The optimal control for energy saving of standby and then whole central air conditioner system.Such as, the device controller of cold and chilled water pump can be based on
Respective performance curve, determines optimization chilled-water flow, and the device controller of cold and cooling pump can by reciprocally negotiating
Based on respective performance curve, to determine cooling water flow by reciprocally negotiating.
In some instances, each system equipment 20 in multiple system equipments 20 can only include individual equipment.
At least one system equipment 20C (such as, whole system equipments) in other example, in multiple system equipments 20
May be embodied as including the system equipment group of multiple same type equipment.In this case, in each system equipment group
Each same type equipment in multiple same type equipment all can be integrated with respective device controller 12C1-12C4.Ginseng
According to Fig. 2 the block diagram of the control system illustrating the central air conditioner system according to exemplary embodiment of the invention (Fig. 2 be), figure shows
Illustrate to example that cooling pump 20C in system equipment is embodied as including the system equipment of four same type equipment (cooling pump)
Each cooling pump in group, and these four cooling pumps all can be integrated with respective device controller 12C1-12C4.
At least one system equipment 20C (such as, whole system equipments) in multiple system equipments 20 is embodied as including
In the case of having the system equipment group of multiple same type equipment, multiple same type equipment can have only to select one or
Multiple devices rather than armamentarium, selected equipment is attached with the equipment in other system equipment group.By this
Mode, can derive multiple water system form by the change of connected mode, wants different water system forms to meet
Ask.
As in figure 2 it is shown, respective device controller 12C1-12C4 can be arranged in parallel, and respective equipment controls
Device 12C1-12C4 can be each via corresponding external communication line 14.1-14.4 and adjacent system equipment (cold 20A and cold
But tower 20D) device controller 12A, 12D connect to realize mutual communication and negotiation.
As in figure 2 it is shown, respective device controller 12C1-12C4 can be connected with each other to realize via internal communication line 16
Mutual communication and negotiation.
Thus, in same system equipment group, due to multiple same type equipment and corresponding device controller thereof also
Connection ground is arranged and corresponding device controller is connected by internal communication line, and therefore, each device controller can be based on certainly
The performance curve of body and carry out mutual communication and negotiation with adjacent device controller, in order to determine the optimization of same type equipment
Open number of units, thus the Optimization of Energy Saving realizing one group of same type equipment in this system equipment group controls.
Such as, cold number of units optimal control program can install (storage) in the cold device controller of multiple parallel connections,
For refrigeration capacity requirement is optimized distribution in multiple cold, determine the cold number of units after energy saving optimizing.When any one
When cold device controller receives the overall refrigerating effect demand that such as total tube controller sends, this cold device controller runs
Number of units optimal control program come according to the performance curve of this cold device controller self and certain energy saving optimizing algorithm
Determine whether corresponding cold opens, and when this corresponding cold open after still not met overall refrigerating effect demand time this cold equipment
Controller can be to adjacent cold device controller transmission residue refrigeration capacity requirement.Receive each cold of refrigeration capacity requirement
According to identical system optimizing control, device controller all determines whether corresponding cold opens, and to adjacent cold equipment control
Device processed transmission residue refrigeration capacity requirement, till residue refrigeration capacity requirement reaches the condition of convergence, now cold opens number of units i.e.
For the result after energy saving optimizing.
The optimized distribution transmittance process of water pump number of units optimal control and cooling tower number of units optimal control optimizes with cold number of units
The optimized distribution transmittance process controlled is similar in operation principle.
In some instances, respective device controller 12C1-12C4 can have identical control program, and this contributes to
Realize the standardization of control program.Additionally or alternatively, respective device controller 12C1-12C4 can have identical
Standard information collection.
In this respect, even if using different brands, the same type equipment of specification, the equipment control of each same type equipment
The standard information collection of device processed can also be identical with control program.In this way, in the middle of running, when being arranged in parallel
And the quantity of interconnective same type equipment, performance parameter etc. are when changing, it is only necessary to internal connection 16 is carried out
Corresponding adjustment, modifies without to software and hardware configuration, and does not affect the overall operation of central air conditioner system.Such as,
As in figure 2 it is shown, when the intelligent cooling pump associated with device controller 12C3 breaks down, it is only necessary to by cold for the intelligence of this fault
But pump two ends connection disconnect, and by intelligent cooling pump associate with device controller 12C2 and with device controller 12C4 pass
Connection between the intelligent cooling pump of connection connects, and does not just affect other intelligence cooling pump in this system equipment group
Often run.After the intelligent cooling pump maintenance of fault is complete, then recover to connect by the connection at these intelligence cooling pump two ends, make
Obtain this intelligence cooling pump can rejoin in the operation automatically controlled.
If it addition, as it is shown in figure 1, intelligence cooling pump 12C includes one group of intelligence cooling pump 1# in parallel～n# and intelligence
Cold can connect 1# intelligence cooling pump, then, when 1# intelligence cooling pump breaks down, intelligence cold can connect intelligence cooling pump
In 2#～n# any one, thus nor affect on the properly functioning of central air conditioner system.
In a word, according to the central air conditioner system of exemplary embodiment of the invention, by centralized, independent of system equipment
Control system upgrading is improved to the intelligence system equipment that control system is highly integrated with system equipment, thus by central air conditioner system
The order form development scheme of control system be improved to standardization, unitized development scheme.On this basis, it is possible to achieve with
Lower Advantageous Effects.
The different number of devices specification that is adapted in the such as water system of central air conditioner system, water system shape
Formula, it is achieved control greatly simplifying of program development work.For example, it is possible to make control system's development cost of labor reduce by 50% with
On, the construction cycle reduces by more than 50%.
Other participant by device performance parameters write device controller, thus can maintained secrecy by equipment vendors
In the case of, it is possible to make system optimizing control obtain good energy-saving effect.For example, it is possible to realize the cold station of central air conditioner system
Energy saving in running 20%～50%.
IO wiring and relevant configuration work between device controller to system equipment can be complete in equipment factory
Becoming, this realization is highly integrated, without wiring at the scene etc. with system equipment.Such as, have only to intelligence system at the scene
Connection between equipment is attached running, site installation test cycle time more than 50%.
In the middle of running, when number of devices, performance parameter etc. change, it is only necessary to connection is carried out accordingly
Adjust, modify without to software and hardware configuration, and do not affect the overall operation of central air conditioner system.
According to the present invention, also provide for a kind of as above for the control system 10 of central air conditioner system CA.
According to the present invention, also provide for a kind of control method controlling central air conditioner system CA as above.This controlling party
Method may include that each system equipment in multiple system equipments 20 is all integrated with respective device controller 12A-12D's
In the case of, make interconnective device controller 12 carry out communication and negotiation, believe with each standard based on device controller 12
Breath collection determines the optimization operational factor of system equipment.
This control method can also include: at least one system equipment 20C in multiple system equipments 20 is embodied as bag
The each same type equipment included in the system equipment group of multiple same type equipment and multiple same type equipment all collects
Become in the case of having respective device controller 12C1-12C4, in same system equipment group, make interconnective equipment control
Device processed carries out communication and negotiation, to determine that number of units is opened in the optimization of multiple same type equipment.
Determine that the optimization unlatching number of units of multiple same type equipment may include that the work associated with system equipment group to be born
Lotus total amount transmits any one device controller to multiple device controller 12C1-12C4 of system equipment group, this equipment control
Number of units optimal control program that device processed is stored by this device controller and standard information collection based on this device controller
Determine whether corresponding system equipment is opened, and when determine that this corresponding system equipment needs to open and still not met workload
During total amount, this device controller is by residue work load another equipment control in multiple device controllers of system equipment group
Device processed transmits.
Air-conditioning center system according to the present invention and control system and control method thereof allow multiple different modification.
Such as, in above-mentioned illustrative embodiments, each system equipment in multiple system equipments 20 is all integrated with respectively
From device controller 12A-12D, but it is contemplated that only one or multiple system equipment in multiple system equipment 20 rather than
All system equipment is integrated with device controller 12.This modification is simplifying control with compared with the central air conditioner system of correlation technique
The exploitation aspect of processing procedure sequence still has advantage.
The most such as, although central air conditioner system CA and control system thereof being described above with respect to cold station CS, but should
Working as understanding, the present invention can also be applied to other central air conditioner system (example in addition to having the central air conditioner system of cold station CS
As, for providing the central air conditioner system of air conditioning hot for public building).
The most such as, it is that each system equipment is integrated with a device controller although above-described, but it is contemplated that
Can also be embodied as: a device controller is corresponding with multiple system equipments (the most multiple same type equipment).
It should be noted that, in present specification, term " includes ", " comprising " or its other variant any are intended to contain
Comprising of lid nonexcludability, so that include that the process of a series of key element, method, article or equipment not only include that those are wanted
Element, but also include other key element being not expressly set out, or also include for this process, method, article or equipment
Intrinsic key element.
Last it is noted that obvious, above-mentioned embodiment/example is only by clearly demonstrating the act that the present invention is made
Example, and not restriction to embodiment/example.To those skilled in the art, the most also may be used
To make other changes in different forms.Here without also cannot all of embodiment/example be given exhaustive.And
That is thus amplified out obviously changes or changes among still in protection scope of the present invention.
Claims (18)
1. a central air conditioner system (CA), described central air conditioner system includes multiple system equipment (20) and is suitable to control institute
State the control system (10) of the operation of central air conditioner system, it is characterised in that at least one in the plurality of system equipment is
System integration of equipments has device controller (12) to be thus configured to intelligence system equipment, and described device controller constitutes described control
System processed at least some of.
Central air conditioner system the most according to claim 1 (CA), it is characterised in that in the plurality of system equipment (20)
Each system equipment is all integrated with respective device controller (12A-12D).
Central air conditioner system the most according to claim 2 (CA), it is characterised in that described respective device controller
(12A-12D) it is connected in series to allow the communication between described respective device controller and association via external communication line (14)
Business.
Central air conditioner system the most according to claim 1 (CA), it is characterised in that:
Each system equipment in the plurality of system equipment all includes individual equipment, or
What at least one system equipment (20C) in the plurality of system equipment was embodied as including multiple same type equipment is
System equipment group.
Central air conditioner system the most according to claim 4 (CA), it is characterised in that in the plurality of system equipment extremely
In the case of lacking the system equipment group that a system equipment (20C) is embodied as including multiple same type equipment, described system
The each same type equipment in multiple same type equipment in equipment group is all integrated with respective device controller (12C1-
12C4)。
Central air conditioner system the most according to claim 5 (CA), it is characterised in that in same system equipment group, institute
State respective device controller (12C1-12C4) to be arranged in parallel, and described respective device controller is each via accordingly
The device controller (12A, 12D) of external communication line (14.1-14.4) and adjacent system equipment (20A, 20D) connect with reality
The most mutual communication and negotiation.
Central air conditioner system the most according to claim 5 (CA), it is characterised in that in same system equipment group, institute
State respective device controller (12C1-12C4) to be connected with each other to realize mutual communication and association via internal communication line (16)
Business.
Central air conditioner system the most according to claim 5 (CA), it is characterised in that in same system equipment group, institute
State respective device controller (12C1-12C4) and there is identical control program to realize the standardization of control program, and/or
Person, described respective device controller (12C1-12C4) has identical standard information collection.
Central air conditioner system the most according to claim 1 (CA), it is characterised in that described device controller have with accordingly
The standardized standard information collection of system equipment association.
Central air conditioner system the most according to claim 9 (CA), it is characterised in that described standard information collection includes equipment
Type, device numbering, device performance parameters, device model, equipment running status, equipment setting value and/or equipment alarm information.
11. central air conditioner systems according to claim 1 (CA), it is characterised in that described device controller and corresponding system
The networking of system equipment completes in being arranged in the production plant of corresponding system equipment.
12. central air conditioner systems according to claim 11 (CA), it is characterised in that described networking configuration include described in set
The sensor of preparation controller and corresponding system equipment and/or the IO wiring of executor.
13. according to the central air conditioner system (CA) according to any one of claim 1 to 12, it is characterised in that described central hollow
Adjusting system includes cold station (CS), and described control system (10) is suitable to control the operation at described cold station.
14. central air conditioner systems according to claim 13 (CA), it is characterised in that described cold station (CS) includes cold
(20A), refrigerating water pump (20B), cooling pump (20C) and/or cooling tower (20D).
15. 1 kinds of control systems for central air conditioner system (CA) (10) as according to any one of claim 1 to 14.
The control method of 16. 1 kinds of central air conditioner systems (CA) controlled as according to any one of claim 1 to 14, its feature
It is, comprises the following steps:
Each system equipment in the plurality of system equipment (20) is all integrated with respective device controller (12A-12D)
In the case of, make interconnective described device controller carry out communication and negotiation, with each mark based on described device controller
Calibration information collection determines the optimization operational factor of described system equipment.
17. control methods according to claim 16, it is characterised in that further comprising the steps of:
At least one system equipment (20C) in the plurality of system equipment is embodied as including multiple same type equipment
Each same type equipment in system equipment group and the plurality of same type equipment is all integrated with respective equipment and controls
In the case of device (12C1-12C4), in same system equipment group, interconnective described device controller is made to carry out communication
And negotiation, to determine that number of units is opened in the optimization of the plurality of same type equipment.
18. control methods according to claim 17, it is characterised in that determine the optimization of the plurality of same type equipment
Unlatching number of units includes: the workload total amount associated with described system equipment group transmission set to described the multiple of system equipment group
Any one device controller in preparation controller (12C1-12C4), this device controller is stored by this device controller
Number of units optimal control program and standard information collection based on this device controller determine whether corresponding system equipment is opened, and
When determining that this corresponding system equipment needs to open and this device controller will remain work during still workload total amount described in not met
Make the loading another device controller transmission in multiple device controllers of described system equipment group.
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| CN201610831851.XA CN106225184B (en) | 2016-09-18 | 2016-09-18 | Central air conditioning system and control method thereof |
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