CN206018925U - The cold station control system of central air-conditioning - Google Patents
The cold station control system of central air-conditioning Download PDFInfo
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- CN206018925U CN206018925U CN201620946912.2U CN201620946912U CN206018925U CN 206018925 U CN206018925 U CN 206018925U CN 201620946912 U CN201620946912 U CN 201620946912U CN 206018925 U CN206018925 U CN 206018925U
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Abstract
The utility model discloses a kind of cold station control system of central air-conditioning.The system includes：First cold station equipment set, including at least one first cold station equipments, each first cold station equipment connects first device controller, in parallel between the first cold station equipment in the first cold station equipment set, and the first device controller is used for the operational factor of the first cold station equipment for adjusting connection；Second cold station equipment set, including at least one second cold station equipments, each second cold station equipment connects second device controller, in parallel between the second cold station equipment in second cold station equipment set, second device controller is used for the operational factor of the second cold station equipment for adjusting connection, wherein, the second device controller is connected with the communication of the first device controller, and the second cold station equipment and the first cold station equipment are different types of cold station equipment.This utility model solves in cold station control system factory that control program exploitation amount is big, the big technical problem of the workload of field connection, networking configuration and debugging.
Description
Technical field
This utility model is related to field of air conditioning, in particular to a kind of cold station control system of central air-conditioning.
Background technology
The cold station of central air-conditioning provides air conditioning water for public building, and its automatic control system is can achieve to central air-conditioning station
Automatic management and control, improve cold station automatic level, reduce management manpower and materials input, lift central air conditioner system efficiency
Level.In Practical Project, conventional central air-conditioning plant equipment is provided by equipment supplier, and automatic control system is by single group
Control producer provides, and therefore, conventional central air-conditioning plant automatic control system is a kind of centralized control independently of field apparatus
System.Schematic diagrams of the Fig. 1 for conventional central air-conditioning plant automatic control system, as shown in figure 1, DDC controllers pass through a large amount of IO
Interface and cold station equipment, such as：Cold, refrigerating water pump, cooling tower, electric control valve are connected, and join for collecting the operation of cold station equipment
Number information, and control instruction output is handed down to each cold station equipment；Host computer is by bus or network service and DDC controller phases
Even, typically the trip information of cold station equipment is sent to host computer by each DDC, by host computer by sending out to all DDC
The parameter information unification that send optimizes calculating, coordinates control, and the control command of generation is sent to each DDC, and in tradition
In the development process of centre air-conditioning plant automatic control system, due to the water system form of each project, number of devices different,
Automatic control system is completely independent with equipment, needs to develop again control program for project, and is carried out at the scene big
The work of amount wiring, networking configuration and debugging, therefore, conventional central air-conditioning plant automatic control system is a kind of order form exploitation
Pattern, exist in factory that control program exploitation amount is big, the big problem of the workload of field connection, networking configuration and debugging, per
Individual project is required for the pattern of special application developer and field adjustable personnel follow-up, this order form exploitation realize
The requirement of automatic control system large-scale standardized exploitation.
For above-mentioned problem, effective solution is not yet proposed at present.
Utility model content
This utility model embodiment provides a kind of cold station control system of central air-conditioning, at least to solve cold station control system
In factory, control program exploitation amount is big, the big technical problem of field connection, networking configuration and the workload that debugs.
According to the one side of this utility model embodiment, there is provided a kind of cold station control system of central air-conditioning, including：The
One cold station equipment set, including at least one first cold station equipments, each first cold station equipment connects the first equipment control
Device, in parallel between the first cold station equipment in the first cold station equipment set, the first device controller is used for adjusting the first of connection
The operational factor of cold station equipment；Second cold station equipment set, including at least one second cold station equipments, each second cold station equipment
One the second device controller of connection, in parallel between the second cold station equipment in the second cold station equipment set, the second equipment is controlled
Device is used for the operational factor of the second cold station equipment for adjusting connection, and wherein, the second device controller and the first device controller are logical
News connection, the second cold station equipment and the first cold station equipment are different types of cold station equipment.
Further, system also includes：First object controller, first object controller is and the first cold station equipment set
In the first device controller for being connected of any one first cold station equipment；Second target controller, the second target controller is
The second device controller being connected with any one second cold station equipment in the second cold station equipment set, wherein, first object
Controller and the second target controller serial communication.
Further, the first cold station equipment also includes that the first auxiliary device, the first device controller are additionally operable to attached to first
The operational factor of category equipment is controlled.
Further, the first cold station equipment be cold when, the first auxiliary device include freezing turnover water temperature sensor,
Freezing side electrically operated valve, cold side electrically operated valve；When the first cold station equipment is water pump, the first auxiliary device includes pressure sensing
Device, temperature sensor；The first cold station equipment be cooling tower when, the first auxiliary device include cooling tower Inlet and outlet water electrically operated valve,
Cooling tower turnover water temperature sensor, outdoor temperature humidity sensor；When the first cold station equipment is electric control valve, first is attached
Equipment includes total flow sensor tube, main temperature sensor, manifold pressure sensor.
Further, the first device controller is loaded with the data base of pre-set categories information collection, pre-set categories information collection
The classification of the first cold station equipment that data base is connected with the first device controller matches.
Further the data base of pre-set categories information collection at least includes the device type of the first cold station equipment, performance ginseng
Number, running status, manually set information, warning message, auxiliary device running state information.
Further, system also includes：3rd cold station equipment set, the 4th cold station equipment set, the 5th cold station equipment collection
Close and the 6th cold station equipment set, the first cold station equipment set includes that an electric control valve, the second cold station equipment set include
Multiple cold equipment, the 3rd cold station equipment set include multiple cooling towers, and the 4th cold station equipment set includes multiple cooling pumps, the
Five cold station equipment set include that multiple refrigerating water pumps, the 6th cold station equipment set include at least one end, and wherein, multiple cold set
In parallel between standby device controller, in parallel between the device controller between multiple cooling towers, setting between multiple cooling pumps
In parallel between preparation controller, in parallel between the device controller of multiple refrigerating water pumps, the device controller and electric control valve of end
Device controller series connection, the device controller of electric control valve connects with the device controller of any one cold equipment, times
The device controller of one cold equipment of meaning is connected with the device controller of any one cooling pump, and any one cooling pump sets
Preparation controller is connected with the device controller of any one cooling tower, the device controller of any one cold equipment with any one
The device controller series connection of individual refrigerating water pump.
Further, system also includes：3rd cold station equipment set, the 4th cold station equipment set, the 5th cold station equipment collection
Close and the 6th cold station equipment set, the first cold station equipment set includes that an electric control valve, the second cold station equipment set include
Multiple cold equipment, the 3rd cold station equipment set include multiple cooling towers, and the 4th cold station equipment set includes multiple cooling pumps, the
Five cold station equipment set include that multiple refrigerating water pumps, the 6th cold station equipment set include at least one end, and wherein, multiple cold set
In parallel between standby device controller, in parallel between the device controller between multiple cooling towers, the device controller of end with
The device controller series connection of electric control valve, each cold equipment is in series with a corresponding cooling pump, and each cold
Equipment is in series with a corresponding refrigerating water pump.
Further, system also includes：3rd cold station equipment set, the 4th cold station equipment set, the 5th cold station equipment collection
Close and the 6th cold station equipment set, the first cold station equipment set includes that at least one end, the second cold station equipment set include many
Individual cold equipment, the 3rd cold station equipment set include multiple cooling towers, and the 4th cold station equipment set includes multiple cooling pumps, the 5th
Cold station equipment set includes that multiple freezing primary pumps, the 6th cold station equipment set include multiple freezing two stage pumps, wherein, end
Device controller is connected with the device controller of electric control valve, in parallel between the device controller of multiple cooling towers, Duo Geleng
But in parallel between the device controller of pump, in parallel between the device controller of multiple cold equipment, multiple freezing two stage pumps set
In parallel between preparation controller, and the device controller string of the device controller and electric control valve of any one freezing two stage pump
Connection, the device controller of any one cooling tower are connected with the device controller of any one cooling pump, any one cooling pump
Device controller connect with the device controller of any one cold, the device controller of each cold and corresponding freezing one
The device controller series connection of level pump.
Further, system also includes：3rd cold station equipment set, the 4th cold station equipment set, the 5th cold station equipment collection
Close and the 6th cold station equipment set, the first cold station equipment set includes that an electric control valve, the second cold station equipment set include
First group of cold equipment and second group of cold equipment, the 3rd cold station equipment set include first group of cooling tower and second group of cooling
Tower, the 4th cold station equipment set include that first group of cooling pump and second group of cooling pump, the 5th cold station equipment set include first group
Refrigerating water pump and second group of refrigerating water pump, the 6th cold station equipment set include at least one end, wherein, the device controller of end with
The device controller series connection of electric control valve, in parallel between the device controller of first group of cooling tower, second group of cooling tower sets
In parallel between preparation controller, in parallel between the device controller of first group of cooling pump, the device controller of second group of cooling pump it
Between in parallel, in parallel between the device controller of first group of cold equipment, in parallel between the device controller of second group of cold equipment,
In parallel between the device controller of first group of refrigerating water pump, in parallel between the device controller of second group of refrigerating water pump, electric control valve
Device controller connect with the device controller of any one first group of cold equipment, the device controller of electric control valve with
Any one second group of cold equipment device controller series connection, the device controller of any one first group of cold equipment with appoint
Meaning one first group of cooling pump device controller series connection, the device controller of any one second group of cold equipment with any one
Individual second group of cooling pump device controller series connection, the device controller of any one first group of cooling pump with any one first
The device controller series connection of group cooling tower, the device controller of any one second group of cooling pump and any one second group of cooling
The device controller series connection of tower, the device controller of any one first group of cold equipment and any one first group of refrigerating water pump
Device controller is connected, the equipment of the device controller of any one second group of cold equipment and any one second group of refrigerating water pump
Controller is connected.
In this utility model embodiment, by the way of a cold station equipment connects a device controller, by cold
The device controller of station equipment adjusts the operational factor of the cold station equipment, and by dissimilar come cold station equipment equipment control
It is connected by communication between device processed, reaches the purpose for coordinating the cold station of control central air-conditioning, is controlled so as to reduce the cold station of central air-conditioning automatically
System wiring processed, networking configuration and debugging efforts, it is to avoid control program is carried out again for different water system forms
Exploitation, and then greatly, field connection, networking are configured to solve control program exploitation amount in central air-conditioning Leng Zhan automatic control systems factory
And the big technical problem of workload of debugging, it is achieved that the large-scale standardized exploitation of the cold station automatic control system of central air-conditioning
Technique effect.
Description of the drawings
Accompanying drawing described herein is used for providing further understanding to of the present utility model, constitutes the part of the application,
Schematic description and description of the present utility model is used for explaining this utility model, does not constitute to of the present utility model improper
Limit.In the accompanying drawings：
Fig. 1 is the schematic diagram according to a kind of cold station automatic control system of central air-conditioning of prior art；
Fig. 2 is a kind of schematic diagram of the water system topology according to correlation technique；
Fig. 3 is the signal according to a kind of cold station control system topology of alternatively central air-conditioning of this utility model embodiment
Figure；
Fig. 4 is the schematic diagram of another kind of water system topology according to correlation technique；
Fig. 5 is the another kind alternatively topological signal of the cold station control system of central air-conditioning according to this utility model embodiment
Figure；
Fig. 6 is the schematic diagram of another the water system topology according to correlation technique；
Fig. 7 is another the alternatively topological signal of the cold station control system of central air-conditioning according to this utility model embodiment
Figure；
Fig. 8 is the schematic diagram of another the water system topology according to correlation technique；
Fig. 9 is another the alternatively topological signal of the cold station control system of central air-conditioning according to this utility model embodiment
Figure.
Specific embodiment
In order that those skilled in the art more fully understand this utility model scheme, below in conjunction with this utility model reality
The accompanying drawing in example is applied, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the embodiment of this utility model part, rather than whole embodiment.Reality in based on this utility model
Example is applied, the every other embodiment obtained under the premise of creative work is not made by those of ordinary skill in the art is all answered
When the scope for belonging to this utility model protection.
According to this utility model embodiment, there is provided a kind of cold station control system of central air-conditioning, the system include：First is cold
Station equipment set, including at least one first cold station equipments, each first cold station equipment connects first device controller, the
In parallel between the first cold station equipment in one cold station equipment set, the first device controller is used for adjusting the first cold station of connection and sets
Standby operational factor；Second cold station equipment set, including at least one second cold station equipments, each second cold station equipment connection one
Individual second device controller, in parallel between the second cold station equipment in the second cold station equipment set, the second device controller is used for
The operational factor of the second cold station equipment of connection is adjusted, wherein, the second device controller is connected with the communication of the first device controller,
Second cold station equipment and the first cold station equipment are different types of cold station equipment.
This utility model embodiment using one cold station connection one device controller by the way of, by setting for cold station equipment
Preparation controller adjusts the operational factor of the cold station equipment, and by dissimilar come cold station equipment device controller between lead to
News are connected, and reach the purpose for coordinating the cold station of control central air-conditioning, reduce the cold station automatic control system wiring of central air-conditioning, networking
Configuration and debugging efforts, it is to avoid control program is developed again for different water system forms, and then solve
In central air-conditioning Leng Zhan automatic control systems factory, control program exploitation amount is big, the workload of field connection, networking configuration and debugging
Big technical problem, it is achieved that the technique effect of the large-scale standardized exploitation of the cold station automatic control system of central air-conditioning.
In the present embodiment, each cold station equipment is connected with a device controller, and each cold station equipment is also wrapped
Containing auxiliary device, and device controller is controlled to the operational factor of the auxiliary device of the cold station equipment for being connected.I.e.
Alternatively, above-mentioned control system also includes：First object controller, first object controller be with the first cold station equipment set
The first device controller that any one first cold station equipment is connected；Second target controller, the second target controller be with
The second device controller that any one second cold station equipment is connected in second cold station equipment set, wherein, first object control
Device processed and the second target controller serial communication.Alternatively, the above-mentioned first cold station equipment also includes the first auxiliary device, and first sets
Preparation controller is additionally operable to be controlled the operational factor of the first auxiliary device.
For example：When above-mentioned cold station equipment is cold, cold connects a device controller, and device controller can be with
The separate unit cold that control is attached thereto, while device controller can also control the auxiliary device freezing turnover coolant-temperature gage of the cold
Sensor, freezing side electrically operated valve, cold side electrically operated valve；When above-mentioned cold station equipment is water pump, a water pump connects one
Device controller, device controller can control the separate unit water pump being attached thereto, meanwhile, it is cold that device controller can also control this
The auxiliary device pressure transducer of machine, temperature sensor；When above-mentioned cold station equipment is cooling tower, a cooling tower connects one
Device controller, device controller can control the separate unit cooling tower being attached thereto, while device controller can also control this
The auxiliary device cooling tower Inlet and outlet water electrically operated valve of cooling tower, cooling tower turnover water temperature sensor, outdoor temperature humidity sensor；
When above-mentioned cold station equipment is electric control valve, electric control valve connects a device controller, and device controller can be controlled
The electric control valve being attached thereto, while the auxiliary device house steward flow that device controller can also control the electric control valve is passed
Sensor, main temperature sensor, manifold pressure sensor；When above-mentioned cold station equipment is end, end connects an equipment control
Device processed, device controller can control the end being attached thereto, while device controller can also control the attached of the end setting
Standby terminal controller, and the related measurement parameter of end operation is obtained, such as：End aperture, temperature, flow, pressure；Need to illustrate
, the quantity of end is generally a lot, and includes multiple end-equipments, such as：Air-conditioning box, new blower fan, fan coil etc., end
One device controller can be set, the overall operation information in end is received by the device controller, such as：Unlatching rate, valve
Aperture, the supply backwater temperature difference of each end, confession backwater pressure reduction of each end etc., and provide information to other equipment controller
Foundation as control；End can also arrange multiple equipment controller according to the actual requirements, and control is responsible for by each device controller
System one or a group end.
Alternatively when the first cold station equipment is cold, the first auxiliary device includes freezing turnover water temperature sensor, cold
Freeze side electrically operated valve, cold side electrically operated valve；When the first cold station equipment is water pump, the first auxiliary device includes pressure sensing
Device, temperature sensor；The first cold station equipment be cooling tower when, the first auxiliary device include cooling tower Inlet and outlet water electrically operated valve,
Cooling tower turnover water temperature sensor, outdoor temperature humidity sensor；When the first cold station equipment is electric control valve, first is attached
Equipment includes total flow sensor tube, main temperature sensor, manifold pressure sensor.
Alternatively, in order that between the device controller that connected of each cold station equipment can self-organizing communication, each
Device controller is all loaded with data base, recorded in data base self-organizing communication rule, so as to pass through device controller it
Between communication realize the control of cold station equipment, reduce the line between cold station equipment, i.e. the first device controller is loaded with default
The data base of classification information collection, the first cold station equipment that the data base of pre-set categories information collection is connected with the first device controller
Classification match.
The data base of pre-set categories information collection at least includes the device type of the first cold station equipment, performance parameter, operation shape
State, manually set information, warning message, auxiliary device running state information.
In the above-described embodiments, after device controller is connected with cold station equipment, by connected to device controller
Cold station equipment type is set, and device controller can be made to load automatically the data base of the information collection of the kind equipment, the information
The data base of collection is preset in the inside of the said equipment controller, contains different types of cold station equipment, such as：Cold, water pump, cold
But the operation information of tower, electric control valve etc., such as：The device type of above-mentioned cold station equipment, performance parameter, running status, manually
The information such as set information, warning message, auxiliary device running status.The corresponding pre-set categories information collection of each device controller can
By the connection between device controller, to realize that real time information is shared, by loading the data base of above- mentioned information collection, different
Device controller between can pass through standardization control program and realize the work such as mutually communication, computing, coordinated operation.
Preferably, the device controller of each type (cold, water pump, cooling tower, electric control valve etc.) also carries standard
Control program, can achieve all devices controllers and coequally participate in jointly calculating.The control program can obtain each equipment control
The corresponding pre-set categories information collection information of device processed, and the local devices controller limited with surrounding carry out communicating, computing and coordination,
To determine itself start and stop and running status.
Alternatively, the cold station control system of above-mentioned central air-conditioning also includes：3rd cold station equipment set, the 4th cold station equipment collection
Close, the 5th cold station equipment set and the 6th cold station equipment set, the first cold station equipment set includes an electric control valve, second
Cold station equipment set includes that multiple cold equipment, the 3rd cold station equipment set include multiple cooling towers, the 4th cold station equipment set
Including multiple cooling pumps, the 5th cold station equipment set includes multiple refrigerating water pumps, and the 6th cold station equipment set includes at least one end
End, wherein, in parallel between the device controller of multiple cold equipment, in parallel between the device controller between multiple cooling towers,
In parallel between device controller between multiple cooling pumps, in parallel between the device controller of multiple refrigerating water pumps, the equipment of end
Controller is connected with the device controller of electric control valve, the device controller of electric control valve and any one cold equipment
Device controller is connected, and the device controller of any one cold equipment is connected with the device controller of any one cooling pump,
The device controller of any one cooling pump is connected with the device controller of any one cooling tower, any one cold equipment
Device controller is connected with the device controller of any one refrigerating water pump.
Schematic diagrams of the Fig. 2 according to a kind of water system topology of correlation technique, Fig. 3 is according to this utility model embodiment
The schematic diagram of the cold station control system topology of alternatively central air-conditioning is planted, as shown in Fig. 2 refrigerating water pump, cooling pump, cold are first distinguished simultaneously
After being unified into group, cold group is connected in series with freezing pump group, cooling pump group again, in the present embodiment, corresponding to the water system shown in Fig. 2
System form, needs to be attached device controller according to the connected mode shown in Fig. 3 with connection, as shown in figure 3, wherein,
It is connected between the device controller connected by the cold station equipment of same type and represents parallel connection, the cold station equipment of same type is in parallel in groups
Afterwards, distribution can be optimized to refrigerating capacity, flow etc. through consultation between device controller；The device controller of different groups
In any one equipment be connected with connection, represents the series connection between the device controllers of different groups, in figure 3, connection is similar
Between equipment, such as cold, cooling pump, refrigerating water pump, the device controller of cooling tower in parallel in groups；The equipment control of connection cooling pump 2
Device processed is connected to form between group with the device controller of connection cold 2 and is connected；Connect the device controller of refrigerating water pump 3 and be connected cold
3 device controller is connected to form between group and connects；The device controller of connection electric control valve is controlled with the equipment for being connected cold 1
Device is connected to form series connection, and the confession backwater pressure difference data that measurement is obtained is fed back to chilled water pump；The equipment control of connection end
Device is connected to form series connection with the device controller for being connected electric control valve, and the signals such as end aperture, temperature, flow, pressure are led to
The device controller for crossing connection electric control valve feeds back to cold, water pump.
Alternatively, the cold station control system of above-mentioned central air-conditioning also includes：3rd cold station equipment set, the 4th cold station equipment collection
Close, the 5th cold station equipment set and the 6th cold station equipment set, the first cold station equipment set includes an electric control valve, second
Cold station equipment set includes that multiple cold equipment, the 3rd cold station equipment set include multiple cooling towers, the 4th cold station equipment set
Including multiple cooling pumps, the 5th cold station equipment set includes multiple refrigerating water pumps, and the 6th cold station equipment set includes at least one end
End, wherein, in parallel between the device controller of multiple cold equipment, in parallel between the device controller between multiple cooling towers,
The device controller of end is connected with the device controller of electric control valve, each cold equipment and a corresponding cooling pump phase
Connect, and each cold equipment is in series with a corresponding refrigerating water pump.
Fig. 4 is the schematic diagram of another kind of water system topology according to correlation technique, and Fig. 5 is according to this utility model embodiment
Another kind alternatively central air-conditioning cold station control system topology schematic diagram, as shown in figure 4, each cold respectively with freezing
Pump, cooling series connection of pumps, are then connected in parallel between different cold, again in the present embodiment, corresponding to the water system shape shown in Fig. 4
Formula, needs to be attached device controller according to the connected mode shown in Fig. 5 with connection, as shown in figure 5, wherein, similar
It is connected between the device controller connected by the cold station equipment of type and represents parallel connection, after the cold station equipment parallel connection in groups of same type, if
Distribution can be optimized to refrigerating capacity, flow etc. through consultation between preparation controller；Any in the device controller of different groups
One equipment is connected with connection, represents the series connection between the device controller of different groups, in Figure 5, connects different cold
Device controller between be connected to form parallel connection, distribution can be optimized to refrigerating capacity through consultation；Each cold of connection
Device controller with corresponding connection refrigerating water pump, cooling pump device controller connect to form series connection；The different cooling towers of connection
Device controller be connected to form parallel connection, be simultaneously connected with the device controller and the device controller for being connected cooling pump 1 of cooling tower 1
It is connected to form between group and connects；The device controller of connection electric control valve is connected to form string with the device controller for being connected cold 1
Connection, the figure of cold load evidence that measurement is obtained feed back to cold, and the confession backwater pressure difference data that measurement is obtained is fed back to refrigerating water pump；
Connection end device controller be connected to form series connection with the device controller for being connected electric control valve, by end aperture, temperature,
The signals such as flow, pressure feed back to cold, refrigerating water pump, cooling pump by motorized adjustment valve control.
Alternatively, the cold station control system of above-mentioned central air-conditioning also includes：3rd cold station equipment set, the 4th cold station equipment collection
Conjunction, the 5th cold station equipment set and the 6th cold station equipment set, the first cold station equipment set include at least one end, and second is cold
Station equipment set includes that multiple cold equipment, the 3rd cold station equipment set include multiple cooling towers, the 4th cold station equipment set bag
Multiple cooling pumps are included, the 5th cold station equipment set includes that multiple freezing primary pumps, the 6th cold station equipment set include multiple freezings
Two stage pump, wherein, the device controller of end is connected with the device controller of electric control valve, the equipment control of multiple cooling towers
In parallel between device, in parallel between the device controller of multiple cooling pumps, in parallel between the device controller of multiple cold equipment, many
In parallel between the device controller of individual freezing two stage pump, and the device controller of any one freezing two stage pump and motorized adjustment
The device controller string of the device controller series connection of valve, the device controller of any one cooling tower and any one cooling pump
Connection, the device controller of any one cooling pump are connected with the device controller of any one cold, the equipment control of each cold
Device processed is connected with the device controller of corresponding freezing primary pump.
Fig. 6 is the schematic diagram of another the water system topology according to correlation technique, and Fig. 7 is according to this utility model embodiment
Another alternatively central air-conditioning cold station control system topology schematic diagram, a kind of schematic diagram of water system form carried out by Fig. 6,
As shown in fig. 6, the water system uses secondary pumping system, cold, cooling pump, freezing two stage pump difference are in parallel in groups, cold
Group is connected in series with cooling pump group；Each cold respectively with freezing one-level series connection of pumps, then between different cold again in parallel even
Connect；In the present embodiment, corresponding to the water system form shown in Fig. 6, need device controller with connection according to Fig. 7 institutes
The connected mode that shows is attached, as shown in fig. 7, wherein, phase between the device controller connected by the cold station equipment of same type
Lian represents parallel connection, after the cold station equipment parallel connection in groups of same type, can through consultation, to refrigerating capacity, stream between device controller
Amount etc. is optimized distribution；In the device controller of different groups, any one equipment is connected with connection, represents setting for different groups
Series connection between preparation controller, in the figure 7, connects same category of device, such as cold, cooling tower, cooling pump, the equipment of freezing two stage pump
Between controller in parallel in groups；The device controller for connecting cold per platform is connected to form series connection with corresponding freezing primary pump；Even
Connect the device controller of cold 2 and be connected to form between group with the device controller of connection cooling pump 2 and connect；Connect setting for cooling tower 1
Preparation controller is connected to form between group with the device controller of connection cooling pump 1 and is connected；The device controller of electric control valve and company
The device controller for connecing cold 1 is connected to form series connection, and the figure of cold load evidence that measurement is obtained feeds back to cold；Electric control valve
Device controller is connected to form series connection with the device controller for being connected freezing two stage pump 1, the confession backwater pressure reduction number that measurement is obtained
According to feeding back to freezing two stage pump；The device controller of connection end is connected to form string with the device controller for being connected electric control valve
The signals such as end aperture, temperature, flow, pressure are fed back to cold, refrigerating water pump, cooling by motorized adjustment valve control by connection
Pump, it should be noted that in secondary pumping system as shown in Figure 6, often do not have between freezing water separator and water collector
Electric control valve, but in its control system, the corresponding device controller of electric control valve still can be provided with, and this is electronic
Regulating valve device controller can read the operation information of auxiliary device, such as：Total flow sensor tube, main temperature sensor,
Manifold pressure sensor etc., and the device controller by cold station equipments such as feedback of the information to cold, freezing two stage pumps.
Alternatively, the cold station control system of above-mentioned central air-conditioning also includes：3rd cold station equipment set, the 4th cold station equipment collection
Close, the 5th cold station equipment set and the 6th cold station equipment set, the first cold station equipment set includes an electric control valve, second
Cold station equipment set includes that first group of cold equipment and second group of cold equipment, the 3rd cold station equipment set include first group of cooling
Tower and second group of cooling tower, the 4th cold station equipment set include first group of cooling pump and second group of cooling pump, the 5th cold station equipment
Set includes that first group of refrigerating water pump and second group of refrigerating water pump, the 6th cold station equipment set include at least one end, wherein, end
Device controller connect with the device controller of electric control valve, in parallel between the device controller of first group of cooling tower, the
In parallel between the device controller of two groups of cooling towers, in parallel between the device controller of first group of cooling pump, second group of cooling pump
Device controller between in parallel, in parallel between the device controller of first group of cold equipment, the equipment of second group of cold equipment
In parallel between controller, in parallel between the device controller of first group of refrigerating water pump, between the device controller of second group of refrigerating water pump
Parallel connection, the device controller of electric control valve are connected with the device controller of any one first group of cold equipment, motorized adjustment
The device controller of valve is connected with the device controller of any one second group of cold equipment, any one first group of cold equipment
Device controller connect with the device controller of any one first group of cooling pump, any one second group of cold equipment sets
Preparation controller is connected with the device controller of any one second group of cooling pump, the equipment control of any one first group of cooling pump
Device is connected with the device controller of any one first group of cooling tower, the device controller of any one second group of cooling pump with appoint
Meaning one second group of cooling tower device controller series connection, the device controller of any one first group of cold equipment with any one
Individual first group of refrigerating water pump device controller series connection, the device controller of any one second group of cold equipment and any one
The device controller series connection of second group of refrigerating water pump.
Fig. 8 is the schematic diagram of another the water system topology according to correlation technique, and Fig. 9 is according to this utility model embodiment
Another alternatively central air-conditioning cold station control system topology schematic diagram, a kind of schematic diagram of water system form carried out by Fig. 8,
As shown in figure 8, cold and its corresponding cooling tower, refrigerating water pump, cooling pump are divided into two by size of the water system according to cold
Group, cold 1, cold 2 and cold 3 are High cooling power, and cold 4, cold 5 are little cold, big according to actual refrigeration duty demand during operation
The little collocation for carrying out size cold, in the present embodiment, corresponding to the water system form shown in Fig. 8, needs to be set with connection
Preparation controller is attached according to the connected mode shown in Fig. 9, as shown in figure 9, wherein, the cold station equipment of same type is connected
It is connected between device controller and represents parallel connection, after the cold station equipment parallel connection in groups of same type, can passes through between device controller
Consult, distribution is optimized to refrigerating capacity, flow etc.；Any one equipment connection phase in the device controller of different groups
Even, the series connection between the device controller of different groups is represented, in fig .9, cold, refrigerating water pump, refrigerating water pump, cooling tower is divided into phase
Mutually independent two groups, wherein, cooling tower 1, cooling tower 2, cooling tower 3 are first group of cooling tower, and cooling tower 4, cooling tower 5 are second
Group cooling tower；Cold 1, cold 2, cold 3 are first group of cold, and cold 4, cold 5 are second group of cold；Refrigerating water pump 1, refrigerating water pump
2nd, refrigerating water pump 3 is first group of refrigerating water pump, and refrigerating water pump 4, refrigerating water pump 5 are second group of refrigerating water pump；Cooling pump 1, cooling pump 2, cooling pump 3
For first group of cooling pump, cooling pump 4, cooling pump 5 are second group of cooling pump, connect first group of equipment of same type, such as cold, cooling
Between tower, cooling pump, the device controller of refrigerating water pump respectively in parallel in groups, connect the device controller of cooling tower 1 be connected cold
But the device controller of pump 1 is connected to form between group and connects, and connects the device controller of cold 2 and the equipment control for being connected cooling pump 2
Device processed is connected to form between group and connects, and the device controller for connecting cold 3 is connected to form group with the device controller for being connected refrigerating water pump 3
Between connect；Connection second group of equipment of same type, distinguishes simultaneously such as between the device controller of cold, cooling tower, cooling pump, refrigerating water pump
Group is unified into, the device controller of connection cooling tower 4 is connected to form between group with the device controller of connection cooling pump 4 and is connected, connected
The device controller of cold 5 is connected to form between group with the device controller of connection cooling pump 5 and is connected, and connects the equipment control of cold 4
Device processed is connected to form between group with the device controller of connection refrigerating water pump 4 and is connected；The device controller of connection electric control valve and company
The device controller of the device controller and connection cold 4 that connect cold 1 is connected to form series connection, in the figure of cold load that measurement is obtained
According to rear, refrigeration duty is assigned as two parts according to the principle of energy saving optimizing, is supplied respectively to two groups of cold；The equipment control of connection end
Device processed is connected to form series connection with the device controller for being connected electric control valve, by signals such as end aperture, temperature, flow, pressure
Two groups of cold, refrigerating water pump, cooling pumps are fed back to by motorized adjustment valve control.
In an embodiment, for different water system forms, if the quantity of equipment in parallel changes, it is only necessary to even
The connection for connecing device controller is adjusted accordingly, and does not affect the overall operation of system, water system shape as shown in Figure 2
In formula, if cold 4 breaks down, connection cold 3 in Fig. 3 is disconnected with the connection for being connected cold 4, is not interfered with
Cold 1, cold 2, the normal operation of cold 3, when the maintenance of cold 4 is finished, then cold 3 are connected with order wire again with cold 4
Connect, cold 4 can be rejoined in control system.
In this utility model embodiment, by the way of a cold station equipment connects a device controller, by cold
The device controller of station equipment adjusts the operational factor of the cold station equipment, and by dissimilar come cold station equipment equipment control
It is connected by communication between device processed, reaches the purpose for coordinating the cold station of control central air-conditioning, is controlled so as to reduce the cold station of central air-conditioning automatically
System wiring processed, networking configuration and debugging efforts, it is to avoid control program is carried out again for different water system forms
Exploitation, and then greatly, field connection, networking are configured to solve control program exploitation amount in central air-conditioning Leng Zhan automatic control systems factory
And the big technical problem of workload of debugging, it is achieved that the large-scale standardized exploitation of the cold station automatic control system of central air-conditioning
Technique effect.
The above is only preferred implementation of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from this utility model principle, some improvements and modifications can also be made, these improvement and
Retouching also should be regarded as protection domain of the present utility model.
Claims (10)
1. the cold station control system of a kind of central air-conditioning, it is characterised in that include:
First cold station equipment set, including at least one first cold station equipments, each first cold station equipment connection one the
One device controller, in parallel between the described first cold station equipment in the first cold station equipment set, the first equipment control
Device processed is used for the operational factor of the described first cold station equipment for adjusting connection；
Second cold station equipment set, including at least one second cold station equipments, each second cold station equipment connection one the
Two device controllers, in parallel between the described second cold station equipment in the second cold station equipment set, the second equipment control
Device processed is used for the operational factor of the described second cold station equipment for adjusting connection,
Wherein, second device controller and first device controller communication is connected, the second cold station equipment and institute
The first cold station equipment is stated for different types of cold station equipment.
2. the cold station control system of central air-conditioning according to claim 1, it is characterised in that the system also includes：
First object controller, the first object controller are any one of with the described first cold station equipment set
First device controller that one cold station equipment is connected；
Second target controller, second target controller are any one of with the described second cold station equipment set
Second device controller that two cold station equipments are connected,
Wherein, the first object controller and the second target controller serial communication.
3. the cold station control system of central air-conditioning according to claim 1, it is characterised in that the first cold station equipment is also wrapped
The first auxiliary device is included, first device controller is additionally operable to be controlled the operational factor of first auxiliary device.
4. the cold station control system of central air-conditioning according to claim 3, it is characterised in that
When the described first cold station equipment is cold, first auxiliary device includes freezing turnover water temperature sensor, freezing
Side electrically operated valve, cold side electrically operated valve；
When the described first cold station equipment is water pump, first auxiliary device includes pressure transducer, temperature sensor；
When the described first cold station equipment is cooling tower, first auxiliary device includes cooling tower Inlet and outlet water electrically operated valve, cold
But tower passes in and out water temperature sensor, outdoor temperature humidity sensor；
When the described first cold station equipment is electric control valve, first auxiliary device includes total flow sensor tube, house steward
Temperature sensor, manifold pressure sensor.
5. the cold station control system of central air-conditioning according to claim 1, it is characterised in that first device controller adds
The data base of pre-set categories information collection is loaded with, the data base of the pre-set categories information collection is connected with first device controller
The classification of the described first cold station equipment for connecing matches.
6. the cold station control system of central air-conditioning according to claim 5, it is characterised in that the pre-set categories information collection
Data base at least includes the device type of the described first cold station equipment, performance parameter, running status, manually sets information, warning
Information, auxiliary device running state information.
7. the cold station control system of central air-conditioning according to claim 1, it is characterised in that the system also includes：
3rd cold station equipment set, the 4th cold station equipment set, the 5th cold station equipment set and the 6th cold station equipment set, described
First cold station equipment set includes an electric control valve, and the second cold station equipment set includes multiple cold equipment, described
3rd cold station equipment set includes multiple cooling towers, and the 4th cold station equipment set includes multiple cooling pumps, and the described 5th is cold
Station equipment set includes that multiple refrigerating water pumps, the 6th cold station equipment set include at least one end,
Wherein, in parallel between the device controller of the plurality of cold equipment, the device controller between the plurality of cooling tower
Between in parallel, in parallel between the device controller between the plurality of cooling pump, the device controller of the plurality of refrigerating water pump it
Between in parallel, the device controller of the end is connected with the device controller of the electric control valve, the electric control valve
Device controller is connected with the device controller of any one of cold equipment, the equipment control of any one of cold equipment
Device processed is connected with the device controller of any one of cooling pump, the device controller of any one of cooling pump with any
One cooling tower device controller series connection, the device controller of any one of cold equipment with any one of
The device controller series connection of refrigerating water pump.
8. the cold station control system of central air-conditioning according to claim 1, it is characterised in that the system also includes：
3rd cold station equipment set, the 4th cold station equipment set, the 5th cold station equipment set and the 6th cold station equipment set, described
First cold station equipment set includes an electric control valve, and the second cold station equipment set includes multiple cold equipment, described
3rd cold station equipment set includes multiple cooling towers, and the 4th cold station equipment set includes multiple cooling pumps, and the described 5th is cold
Station equipment set includes that multiple refrigerating water pumps, the 6th cold station equipment set include at least one end,
Wherein, in parallel between the device controller of the plurality of cold equipment, the device controller between the plurality of cooling tower
Between in parallel, the device controller of the end is connected with the device controller of the electric control valve, and each described cold sets
Standby be in series with a corresponding cooling pump, and each described cold equipment is mutually gone here and there with a corresponding refrigerating water pump
Connection.
9. the cold station control system of central air-conditioning according to claim 1, it is characterised in that the system also includes：
3rd cold station equipment set, the 4th cold station equipment set, the 5th cold station equipment set and the 6th cold station equipment set, described
First cold station equipment set includes at least one end, and the second cold station equipment set includes multiple cold equipment, described
Three cold station equipment set include that multiple cooling towers, the 4th cold station equipment set include multiple cooling pumps, the 5th cold station
Cluster tool includes that multiple freezing primary pumps, the 6th cold station equipment set include multiple freezing two stage pumps,
Wherein, the device controller of the end is connected with the device controller of electric control valve, and the plurality of cooling tower sets
In parallel between preparation controller, in parallel between the device controller of the plurality of cooling pump, the equipment control of the plurality of cold equipment
In parallel between device processed, in parallel between the device controller of the plurality of freezing two stage pump, and any one freezing two stage pump
Device controller is connected with the device controller of the electric control valve, the device controller of any one cooling tower with any one
The device controller series connection of individual cooling pump, the device controller of any one of cooling pump are set with any one of cold
Preparation controller is connected, and the device controller of each cold is connected with the device controller of corresponding freezing primary pump.
10. the cold station control system of central air-conditioning according to claim 1, it is characterised in that the system also includes：
3rd cold station equipment set, the 4th cold station equipment set, the 5th cold station equipment set and the 6th cold station equipment set, described
First cold station equipment set includes that an electric control valve, the second cold station equipment set include first group of cold equipment and
Two groups of cold equipment, the 3rd cold station equipment set include first group of cooling tower and second group of cooling tower, the 4th cold station
Cluster tool includes first group of cooling pump and second group of cooling pump, the 5th cold station equipment set include first group of refrigerating water pump and
Second group of refrigerating water pump, the 6th cold station equipment set include at least one end,
Wherein, the device controller of the end is connected with the device controller of the electric control valve, first group of cooling
In parallel between the device controller of tower, in parallel between the device controller of second group of cooling tower, first group of cooling pump
Device controller between in parallel, in parallel between the device controller of second group of cooling pump, first group of cold equipment
Device controller between in parallel, in parallel between the device controller of second group of cold equipment, first group of refrigerating water pump
Device controller between in parallel, between the device controller of second group of refrigerating water pump in parallel, the electric control valve sets
Preparation controller is connected with the device controller of any one of first group of cold equipment, the equipment control of the electric control valve
Device connected with the device controller of any one of second group of cold equipment, and any one of first group of cold equipment sets
Preparation controller is connected with the device controller of any one of first group of cooling pump, any one of second group of cold equipment
Device controller connect with the device controller of any one of second group of cooling pump, any one of first group of cooling
The device controller of pump is connected with the device controller of any one of first group of cooling tower, and any one of second group cold
But the device controller of pump is connected with the device controller of any one of second group of cooling tower, any one of first group
The device controller of cold equipment is connected with the device controller of any one of first group of refrigerating water pump, and any one of
The device controller of two groups of cold equipment is connected with the device controller of any one of second group of refrigerating water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201620946912.2U CN206018925U (en) | 2016-08-25 | 2016-08-25 | The cold station control system of central air-conditioning |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620946912.2U CN206018925U (en) | 2016-08-25 | 2016-08-25 | The cold station control system of central air-conditioning |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106196512A (en) * | 2016-08-25 | 2016-12-07 | 珠海格力电器股份有限公司 | The cold station control system of central air-conditioning |
| CN109838876A (en) * | 2019-02-19 | 2019-06-04 | 陈娟 | Central air-conditioning freezing computer room team control management system |
-
2016
- 2016-08-25 CN CN201620946912.2U patent/CN206018925U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106196512A (en) * | 2016-08-25 | 2016-12-07 | 珠海格力电器股份有限公司 | The cold station control system of central air-conditioning |
| CN109838876A (en) * | 2019-02-19 | 2019-06-04 | 陈娟 | Central air-conditioning freezing computer room team control management system |
| CN109838876B (en) * | 2019-02-19 | 2022-03-08 | 陈娟 | Group control management system for central air-conditioning refrigerating machine room |
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