CN105890438B - A kind of cooling tower controller - Google Patents
A kind of cooling tower controller Download PDFInfo
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- CN105890438B CN105890438B CN201610201328.9A CN201610201328A CN105890438B CN 105890438 B CN105890438 B CN 105890438B CN 201610201328 A CN201610201328 A CN 201610201328A CN 105890438 B CN105890438 B CN 105890438B
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- point
- control
- list item
- cooling tower
- point table
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
- F28F27/003—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus specially adapted for cooling towers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C1/00—Direct-contact trickle coolers, e.g. cooling towers
Abstract
The invention discloses a kind of cooling tower controllers, comprising: multiple interfaces, including acquisition interface and execution interface, acquisition interface are connected with the collection point of cooling tower, execute interface and are connected with the execution point of cooling tower；Module is locally stored, for storing local virtual point table, the list item of record acquisition interface institute acquisition parameter, and the list item of record control instruction are included at least in local virtual point table；Local synchronization module, the list item data for will update in local virtual point table are synchronized in the remote dummy point table in server, to be fed back；And it for receiving the list item data in institute's remote dummy point table that server issues, is synchronized in the corresponding table item of local virtual point table；Wherein, remote dummy point table is identical as the list item in local virtual point table.Technical solution of the present invention realizes the rapid abutting joint of cooling tower and server, has saved manpower and time cost, improves configuration and control efficiency.
Description
Technical field
The present embodiments relate to Electrical Control Technology more particularly to a kind of cooling tower controllers.
Background technique
Continuous improvement with people to QoS requirements, Heating,Ventilating and Air Conditioning energy consumption building total energy consumption in proportion not
It is disconnected to increase, and cold station energy consumption is the major part of Heating,Ventilating and Air Conditioning energy consumption, therefore, the skill optimization of cold station system is to building total energy consumption
It is particularly important.
Current cold station system is mostly cold station group, i.e., simultaneously includes the refrigeration equipment of polymorphic type, big quantity, typically wrap
Refrigerator, cooling tower, cooling water pump, chilled water pump and water collecting and diversifying device are included, these equipment may include more, and be distributed in
Different positions needs co-ordination with the interconnection of various pipelines, therefore, the technology controlled cold station group occurs,
I.e. cold station group control system.The basal needs of cold station group control system are that the parameter of acquisition, such as temperature can be obtained from each equipment
The parameters such as degree, flow and valve opening then according to overall demand for control, send control instruction to each equipment.
But the application effect of existing cold station group control system is unsatisfactory, most cold station group control systems perform practically no function, cold war
Administrative staff also rest on complete manual or automanual cold station operation control model, so that cold station energy conservation is difficult to realize.It is existing cold
Group control system of standing is confined to show cold station monitoring interface more, and control logic is simultaneously not perfect, and the Human-computer Interactive Design of software is often
It is ignored.
Existing cold station group control system mainly includes the controller of server and each equipment itself configuration.Each controller is usual
It is realized using PLC control cabinet, for sending driving instruction to execution point from collection point acquisition parameter, and according to control instruction,
Various collection points and execution point can be usually monitoring point.Each interface of PLC control cabinet is separately connected each monitoring point, fortune
When row, the acquisition parameter of collection point is reported to server, in the control instruction for receiving server, based on itself configuration
Control logic is judged, if be can be performed and how to be executed, will specifically execute instruction again from the interface of connection execution point
It issues.In the deterministic process of above-mentioned control logic, if the controller needs the parameter of other cold station equipments, need to server
Send acquisition request.
Obviously, above-mentioned cold station group control system is highly professional, and daily cold station administration personnel only pass through cold station monitoring circle
Face is difficult to understand for the operation logic on software backstage, so that cold station team control becomes mysterious and is difficult to grasp.More importantly above-mentioned
The corresponding relationship and control logic of the interface of each controller and monitoring point, are required to from administrative staff in cold station group control system
It is separately configured, after connecting server, it is also necessary to be debugged.When the quantity of cold station equipment is more, these complexity
Time spent by configuration and debugging process is huge, and efficiency is very low.
Summary of the invention
The present invention provides a kind of cooling tower controller, to improve the control process of cooling tower controller, improves configuration and control
Efficiency processed.
In a first aspect, the embodiment of the invention provides a kind of control methods of cooling tower, comprising:
The parameter for the cooling tower collection point that cooling tower controller is obtained according to acquisition interface updates local virtual point table
In corresponding list item data；
The list item data that the cooling tower controller will update in local virtual point table are synchronized to long-range in server
In virtual point table, to be fed back, wherein the remote dummy point table and the list item phase in the local virtual point table
Together；
The cooling tower controller receives the list item data in the remote dummy point table that the server issues, together
Step is into the corresponding table item of the local virtual point table；
The cooling tower controller generates driving according to the control instruction updated in local virtual point table, by driving layer
Instruction, and the execution point by executing cooling tower described in Interface Controller.
Second aspect, the embodiment of the invention also provides a kind of cooling towers, comprising:
Multiple interfaces, including acquisition interface and execution interface, the acquisition interface are connected with the collection point of cooling tower respectively,
The execution interface is connected with the execution point of the cooling tower respectively；
Module is locally stored, for storing local virtual point table, includes at least record in the local virtual point table
The list item of acquisition interface institute acquisition parameter, and the list item of record control instruction；
Local synchronization module, the list item data for will update in local virtual point table, is synchronized to remote in server
In the virtual point table of journey, to be fed back；And for receiving in the remote dummy point table that the server issues
List item data are synchronized in the corresponding table item of the local virtual point table；Wherein, the remote dummy point table with described
List item in the virtual point table in ground is identical.
Technical solution provided by the present invention, it is long-range in the local virtual point table and server in cooling tower controller
The list item of virtual point table is identical, by synchronous remote dummy point table with the list item data in local virtual point table, by
This, configures different virtual point tables without being individually for cooling tower controller, eliminates the process of cumbersome ground manual debugging docking,
The rapid abutting joint in remote dummy point table with the list item data in local virtual point table is realized, existing cold station is optimized
The control process of group control system has greatly saved manpower and time cost, improves configuration and control efficiency.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, of the invention other
Feature, objects and advantages will become more apparent upon:
Fig. 1 is the flow chart of the control method for the cold station group control system of one kind that the embodiment of the present invention one provides；
Fig. 2 is the applicable organizational structure signal of the control method of cold station group control system provided by the embodiment of the present invention one
Figure；
Fig. 3 is the flow chart of the control method for the cold station group control system of one kind that the embodiment of the present invention three provides；
Fig. 4 is the flow chart of the control method for the cold station group control system of one kind that the embodiment of the present invention four provides；
Fig. 5 is the flow chart of the control method for the cold station group control system of one kind that the embodiment of the present invention five provides；
Fig. 6 is a kind of flow chart of the control method for cooling tower controller that the embodiment of the present invention six provides；
Fig. 7 A is that the applicable organizational structure of the control method for the cold station group control system of one kind that the embodiment of the present invention seven provides is shown
It is intended to；
Fig. 7 B is the cold station group control system structural schematic diagram of one kind that the embodiment of the present invention seven provides；
Fig. 8 is the structure chart for the cold station group control system of one kind that the embodiment of the present invention eight provides；
Fig. 9 is a kind of structure chart for cooling tower controller that the embodiment of the present invention nine provides.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawing to of the invention specific real
Example is applied to be described in further detail.It is understood that specific embodiment described herein is used only for explaining the present invention,
Rather than limitation of the invention.It also should be noted that illustrating only for ease of description, in attached drawing related to the present invention
Part rather than full content.It should be mentioned that some exemplary realities before exemplary embodiment is discussed in greater detail
It applies example and is described as the processing or method described as flow chart.Although operations (or step) are described as sequence by flow chart
Processing, but many of these operations can be implemented concurrently, concomitantly or simultaneously.In addition, the sequence of operations
It can be rearranged.The processing can be terminated when its operations are completed, but can also have be not included in it is attached in attached drawing
Add step.The processing can correspond to method, function, regulation, subroutine, subprogram etc..
Embodiment one
Fig. 1 is the flow chart of the control method for the cold station group control system of one kind that the embodiment of the present invention one provides, the present embodiment
Method can be executed by cold station group control system.
The method of the present embodiment specifically includes:
The list item data that step 110, device controller will update in local virtual point table, are synchronized to remote in server
In the virtual point table of journey, to be fed back, wherein the list item in the remote dummy point table and the local virtual point table
It is identical.
Wherein, each list item of virtual point table is used to record the information of each monitoring point, and each list item includes the point
Bit attribute information, attribute information mainly include the monitoring point corresponding device, corresponding device point title, corresponding device point class
The various attribute informations such as the parameter value of type and the monitoring point.
It includes refrigerator, cooling tower, cooling water pump, chilled water pump, Yi Jifen that the equipment of cold station group control system, which is typically,
Water collector etc., device controller are the controller of each equipment itself configuration, and the type of device controller can also be according to equipment class
Type, correspondingly, including Control of Chiller device, cooling tower controller, cooling water pump controller, chilled water pump controller, Yi Jifen
Water collector controller etc..The each local virtual point table and remote dummy point table of each device controller storage are all the same,
Both included monitoring point bit entry involved in the device controller itself, and also included the monitoring point bit entry of other equipment.
Illustratively, device controller can receive the collected parameter in collection point in equipment, and local virtual point is written
To update corresponding list item data in table.In the present embodiment, the list item that device controller will update in local virtual point table
Data are synchronized in the remote dummy point table in server, to be fed back, guarantee the entry number in local virtual point table
After update, the list item data in remote dummy point table are identical as the list item data in local virtual point table.
Step 120, the device controller receive the list item in the remote dummy point table that the server issues
Data are synchronized in the corresponding table item of the local virtual point table.
Cold station group's system generally includes server and multiple cold station equipments, and server is respectively set by control instruction centralized control
Preparation controller, the list item data in remote dummy point table that server issues include the prison of each cold station equipment in cold station group's system
The parameter of measuring point position synchronizes the list item data updated in the local virtual point table of each device controller, so that device controller
In local virtual point table in the list item data in the remote dummy point table in server, not only storage device controller
The parameter of the machine, and the parameter of other equipment controller is stored, realize the quick interaction between server and equipment control
And the coordinate synchronization of each cold station equipment is controlled.
Fig. 2 is the applicable organizational structure signal of the control method of cold station group control system provided by the embodiment of the present invention one
Figure.As shown in Fig. 2, the cold station group control system includes server 210 and multiple equipment controller 220.Server 210 is for coordinating
Synchronously control multiple equipment controller 220.The list item and list item data of remote dummy point table in server 210 and each equipment
There are corresponding relationships for list item and list item data in the local virtual point table of controller 220, are provided in the embodiment of the present invention
Cold station group control system control method, the remote dummy point table is identical as the list item in the local virtual point table,
And list item data are synchronous, be particularly suitable for include server 210 and multiple equipment controller 220 cold station group control system.
Technical solution provided by the present invention, the long-range void in local virtual point table and server in device controller
The list item of quasi- point table is identical, by synchronous remote dummy point table with the list item data in local virtual point table, as a result,
Different virtual point tables is configured without being individually for each device controller, also, in debugging process, is serviced without establishing
The corresponding relationship of virtual point table and list item in point table virtual in each device controller, eliminates the artificial tune in cumbersome ground in device
The process for trying docking, realizes the rapid abutting joint in remote dummy point table with the list item data in local virtual point table, excellent
The control process for having changed existing cold station group control system, has greatly saved manpower and time cost, has improved configuration and control effect
Rate.
Embodiment two
The control method of cold station group control system provided by Embodiment 2 of the present invention is optimized based on above-described embodiment,
Compared with above-described embodiment, difference is, in the present embodiment, the local virtual point table and remote dummy point table
In, it include the list item of all monitoring points of each cold station equipment, the acquisition interface of the local virtual point table and execution connect
The port numbers of mouth and the corresponding relationship solidification configuration of list item are in the device controller；Correspondingly, the device controller institute
The list item data in the remote dummy point table that the received server issues include: the control for cold station equipment the machine
The feedback data of system instruction or other cold station equipments.
In embodiments of the present invention, remote dummy of the server as the main controller in cold station group control system, in server
The list item of all monitoring points of each cold station equipment is preferably included in point table, to be instructed according to the intelligent control received,
Coordinate synchronization controls the device controller of each cold station equipment.Due in the local virtual point table in device controller with server
In remote dummy point table in list item is identical and list item data are synchronous, in the local virtual point table in device controller
The list item of all monitoring points including each cold station equipment, the advantages of this arrangement are as follows, each device controller needs other passes
Join the parameter of cold station equipment, it, can be directly from the local virtual point in device controller without sending acquisition request to server
The parameter for being associated with cold station equipment is obtained in table.For example, the intelligent control instruction that server receives is by designated environment region
Temperature is adjusted to 26 DEG C, device controller when more cold station equipments involved in the loop of the environmental area, in each cold station equipment
The parameter that itself can be directly obtained from the local virtual point table that itself is configured is associated with the parameter of cold station equipment with other, according to
The parameter of itself is associated with the parameter of cold station equipment with other, and will receive intelligent control instruction translation is setting for each device controller
Standby control instruction executes base's control.Therefore, it in the local virtual point table and remote dummy point table, preferably, wraps
Include the list item of all monitoring points of each cold station equipment.
In the present embodiment, acquisition interface may include digital quantity input (DI) interface and analog input (AI) interface etc.；
Executing interface includes digital output (DO) interface, analog output (AO) interface and communication input/output interface RS485 etc..
Wherein, the corresponding monitoring point of digital input interface includes operating status, malfunction, local long-range and valve switch shape
State etc.；The corresponding monitoring point of digital-quantity output interface includes the start-up and shut-down control of cold station equipment and the switch control of valve etc.；Mould
The corresponding monitoring point of the input interface of analog quantity includes frequency feedback, valve opening feedback etc.；Analog output interface circuit is corresponding
Monitoring point includes frequency adjusting and valve opening setting etc.；Communicating the corresponding monitoring point of input/output interface RS485 includes
Electric energy meter bus, cold meter bus, pressure sensor bus and frequency converter bus etc..
By taking water collecting and diversifying device controller as an example, the corresponding monitoring point of digital input interface includes that water collecting and diversifying device branch road valve is opened
Off status, freezing general pipeline bypath valve switch state and cooling general pipeline bypath valve switch state etc.；Correspondingly, digital quantity is defeated
The corresponding monitoring point of outgoing interface include water collecting and diversifying device branch road valve switch control, freezing general pipeline bypath valve switch control and
Cooling general pipeline bypath valve switch control etc..
The corresponding monitoring point of analog input interface includes water collecting and diversifying device temperature, water collecting and diversifying device pressure difference, by water collecting and diversifying device
Siphunculus road pressure difference, freezing general pipeline bypass open degree feedback and cooling general pipeline supply and return water temperature etc., the corresponding prison of analog output interface circuit
Controlling point includes freezing general pipeline bypass aperture control etc., can realize each loop traffic by adjusting the valve opening of relative branch
Control.
During actual job, on-site personnel only needs local empty in device controller according to configuration is solidified
The corresponding relationship of the acquisition interface of quasi- point table and the port numbers of execution interface and list item, by each interface of device controller point
Each monitoring point is not connected, is eliminated the process of cumbersome and complicated manual debugging, is saved the working time.
The server can be used for each device controller of coordinated control, it is to be understood that the long-range void of the server
List item data include the control instruction for cold station equipment the machine in quasi- point table, for being set by device controller control refrigeration plant
Standby the machine, therefore, device controller list item data in the remote dummy point table that issues of the received server
Control instruction including being directed to cold station equipment the machine.Due to being set by server sync coordinated control more in cold station group control system
Preparation controller, in actual operation, device controller are not usually independent, need to work with other equipment controller coordinate,
Therefore the list item data in the remote dummy point table that issues of the device controller received server of institute are preferably packet
Include the feedback data of other cold station equipments.
Embodiment three
Fig. 3 is the flow chart of the control method for the cold station group control system of one kind that the embodiment of the present invention three provides.The present embodiment
It is optimized based on above-described embodiment two, compared with above-described embodiment, difference is, the control of the cold station group control system
Method processed may also include that the acquisition parameter that the device controller is obtained according to acquisition interface, update the local virtual point
Corresponding list item data in table.
Correspondingly, the method for the present embodiment specifically includes:
The acquisition parameter that step 310, the device controller are obtained according to acquisition interface updates the local virtual point
Corresponding list item data in table.
The acquisition parameter that acquisition interface obtains includes the parameters such as temperature, flow and valve opening.Optionally, equipment controls
Device can pass through data acquisition device acquisition parameter, wherein the type for the parameter that data acquisition device can acquire as needed carries out
Selection, for example, temperature sensor, pressure sensor, cold meter and electric energy meter etc..
Specifically, when the acquisition parameter that the device controller can be obtained according to acquisition interface, timing or interval setting
Between update corresponding list item data in the local virtual point table；What the device controller can also be obtained according to acquisition interface
Acquisition parameter, corresponding list item data in local virtual point table described in real-time update.
The list item data that step 320, device controller will update in local virtual point table, are synchronized to remote in server
In the virtual point table of journey, to be fed back, wherein the list item in the remote dummy point table and the local virtual point table
It is identical.
Step 330, the device controller receive the list item in the remote dummy point table that the server issues
Data are synchronized in the corresponding table item of the local virtual point table.
Technical solution provided by the present embodiment, the acquisition parameter that device controller is obtained according to acquisition interface update institute
It states in the remote dummy point table after corresponding list item data, being synchronized in local virtual point table in server, and receives institute
The list item data in the remote dummy point table that server issues are stated, the correspondence table of the local virtual point table is synchronized to
The real-time update in local virtual point table with the list item data in remote dummy point table may be implemented in Xiang Zhong, realizes to cold
The more accurate control of station equipment.
Example IV
Fig. 4 is the flow chart of the control method for the cold station group control system of one kind that the embodiment of the present invention four provides.The present embodiment
It is optimized based on above-described embodiment, compared with above-described embodiment, difference is, the control of the cold station group control system
Method may also include that the device controller receives the control logic configuration instruction that the server issues, from what is be locally stored
The control logic that control logic concentrates selection performed, is configured to currently running control logic.
Correspondingly, the method for the present embodiment specifically includes:
The list item data that step 410, device controller will update in local virtual point table, are synchronized to remote in server
In the virtual point table of journey, to be fed back, wherein the list item in the remote dummy point table and the local virtual point table
It is identical.
Step 420, the device controller receive being directed in the remote dummy point table that the server issues
The control instruction of cold station equipment the machine is synchronized in the corresponding table item of the local virtual point table.
Wherein, the control instruction for cold station equipment the machine in the remote dummy point table that server issues is general
Refer to server by the intelligent instruction translation received be the identifiable equipment control instruction of device controller, be issued to equipment control
Device processed, the device controller receive in the remote dummy point table that the server issues and are directed to cold station equipment the machine
Control instruction, be synchronized in the corresponding table item of the local virtual point table.
Step 430, the device controller execute local control logic according to the control instruction, are executed with generating
Instruction, and cold station equipment is controlled by driving layer and execution interface.
General PLC is usually the programmable logic controller (PLC) of a blank, needs to be separately configured in cold station group control system
The corresponding relationship and control logic of the interface of each device controller and monitoring point, the internal logic algorithm of control logic with connect
Mouth is often not fixed, and middle-size and small-size PLC does not have data storage function, can not store complicated logical algorithm, it is necessary to will acquire
To data be uploaded to server storage in real time, when server power-off or when communication disruption, will lead to the number in this time
According to loss.In view of this, on the basis of the above embodiments, preferably, according to the acquisition interface of local virtual point table and holding
The port numbers of line interface and the corresponding relationship of list item solidify at least one control logic for being suitable for device controller in described
In device controller, this not only solves the problem of PLC is temporarily implanted into algorithm, while also effectively preventing causing when communication failure
Loss of data.
Cold station equipment the machine is directed in the remote dummy point table that device controller is issued according to the server
Control instruction, execute local control logic, and generate to execute instruction and be issued to driving layer, pass through driving layer and execute interface
Cold station equipment is controlled.It should be noted that driving layer can acquire the monitoring site of each cold station equipment the machine by acquisition interface
Parameter, and by the simulation of the acquisition of the acquisition digital signal of digital quantity input/output interface and analog input and output interface believe
Number, it is converted into the identifiable signal of cold station equipment.
For example, if server receives intelligent control instruction as the temperature in designated environment region to be adjusted to set
Value, can be instruction morphing for being directed in remote dummy point table by the intelligent control based on the control logic of server itself
Associated each instruction to cold station equipment the machine in the designated environment region is issued to equipment corresponding with cold station equipment is associated with
Controller refers to the aperture control that the instruction translation to cold station equipment the machine received is one or more specified valve
It enables, and specifies the aperture control instruction of valve according to one or more, execute local control logic, can produce control one
Or multiple valve voltage values are that setting value etc. executes instruction, and are controlled by driving layer and execution interface cold station equipment.Into
And device controller updates the list item data in local virtual point table, and the remote dummy point being synchronized in server
In table, to be fed back, and the list item data in the remote dummy point table that the server issues is received, be synchronized to institute
In the corresponding table item for stating local virtual point table.
By adopting the above technical scheme, device controller is according to the needle in the remote dummy point table in the server received
To the control instruction of cold station equipment the machine, the corresponding table item of synchronous local virtual point table, and according to the control instruction, it executes
Local control logic, generation execute instruction, and are controlled by driving layer and execution interface cold station group's system, realize
Rapid abutting joint between server and device controller, improves configuration and control efficiency.
Embodiment five
Fig. 5 is the flow chart of the control method for the cold station group control system of one kind that the embodiment of the present invention five provides.The present embodiment
It is optimized based on above-described embodiment, compared with above-described embodiment, difference is, receives in the device controller
After control instruction, further includes: the device controller executes local control logic according to the control instruction, to generate
It executes instruction, and cold station equipment is controlled by driving layer and execution interface.
Correspondingly, the method for the present embodiment specifically includes:
The list item data that step 510, device controller will update in local virtual point table, are synchronized to remote in server
In the virtual point table of journey, to be fed back, wherein the list item in the remote dummy point table and the local virtual point table
It is identical.
Step 520, the device controller receive the list item in the remote dummy point table that the server issues
Data are synchronized in the corresponding table item of the local virtual point table.
Step 530, the device controller receive the control logic configuration instruction that the server issues, from being locally stored
The control logic control logic of concentrating selection performed, be configured to currently running control logic.
In embodiments of the present invention, can according to application scenarios, region, environment, season, using crowd etc. to cold war group's system
Demand for control otherness, be stored in device controller.Illustratively, the control logic concentration being locally stored can create white
Its control logic, night control logic, for example, being usually in public place compared with multi-user, when daytime such as school, public affairs
Department, factory, market etc. are distributed Relatively centralized, and user's body metabolism, may be to the system of cold station group's system than very fast under active state
The efficiency requirements of cold/heating are higher, and the control logic concentration being locally stored can create the control logic on daytime based on efficiency；Night
When, user usually all in resting state, comparatively disperses, and body metabolism is more slow, it is desirable that environment is pacified as far as possible
Quiet, the control logic concentration being locally stored can create the night control logic suitable for rest environment based on energy conservation.Season
Transformation can generally also make the function of cold station group's system change, the control logic that is locally stored concentrate in combination with each region,
The environmental quality in each season, creation be suitable for the spring, the summer, the autumn, winter Various Seasonal control logic, for example, be suitable for north of China
The winter control logic of the summer control logic of cooling in summer and winter heating.Further, it is also possible to the characteristics of according to crowd is used
Different control logics is created, applicable control logic etc. is respectively created in for example crowds such as old man, child, pregnant woman, sufferer.
In the actual operation process, server instructs the control issued to device controller according to the intelligent control that user sends
Logic configuration instruction processed, device controller receive the control logic configuration instruction that issues of server, and from the control being locally stored
The performed control logic of logical centralization selection, is configured to currently running control logic, to control cold station equipment.
Step 540, the device controller execute local control logic according to the control instruction, are executed with generating
Instruction, and cold station equipment is controlled by driving layer and execution interface.
Technical solution provided by the present embodiment, device controller are matched according to the control logic that the server received issues
Instruction is set, from the currently running control logic of control logic centralized configuration being locally stored, and according to the control instruction, is executed
Local control logic controls cold station equipment by driving layer and execution interface, so that the control of device controller is patrolled
It collects can be realized and cold station equipment is more accurately controlled, preferably meet the individual demand of user.
Embodiment six
Fig. 6 is a kind of flow chart of the control method for cooling tower controller that the embodiment of the present invention six provides.The present embodiment
It is optimized based on above-described embodiment, compared with above-described embodiment, difference is, the device controller is cooling tower
Controller.
Correspondingly, the method for the present embodiment includes:
The parameter for the cooling tower collection point that step 610, cooling tower controller are obtained according to acquisition interface updates local virtual
Corresponding list item data in point table.
The list item data that step 620, the cooling tower controller will update in local virtual point table, are synchronized to server
In remote dummy point table in, to be fed back, wherein in the remote dummy point table and the local virtual point table
List item it is identical.
Step 630, the cooling tower controller receive the table in the remote dummy point table that the server issues
Item data is synchronized in the corresponding table item of the local virtual point table.
Step 640, the cooling tower controller are according to the control instruction updated in local virtual point table, by driving layer
Generate driving instruction, and the execution point by executing cooling tower described in Interface Controller.
By adopting the above technical scheme, the remote dummy point table of the local virtual point table of cooling tower controller and server
List item is identical and list item data are synchronous, establish in server in virtual point table and cooling tower controller in virtually point table
The corresponding relationship of list item, eliminate cumbersome ground manual debugging docking process, realize in remote dummy point table with local void
The rapid abutting joint of list item data in quasi- point table, optimizes the control process of existing cooling tower controller, greatly saves
Manpower and time cost improve configuration and control efficiency.
On the basis of the various embodiments described above, in the local virtual point table and remote dummy point table, preferably
The list item of all monitoring points including each cold station equipment, the acquisition interface of the local virtual point table and the end for executing interface
The solidification configuration of the corresponding relationship of slogan and list item is in the cooling tower controller；
Correspondingly, the cooling tower controller in the remote dummy point table that issues of the received server
List item data include: the feedback data for the control instruction of cooling tower the machine or other cold station equipments.
It, can be further by " the cooling tower controller is according to local virtual point on the basis of the various embodiments described above
The control instruction updated in the table of position generates driving instruction by driving layer, and by executing holding for cooling tower described in Interface Controller
Row point " optimization are as follows: the cooling tower controller executes local control according to the control instruction updated in local virtual point table
Logic is executed instruction with generating, and is controlled by driving layer and execution interface cooling tower；Wherein, the control logic
Control logic to be locally stored concentrates the currently running control logic of option and installment.
On the basis of the various embodiments described above, the list item of the local virtual point table corresponds to each monitoring point in cooling tower
Position, each list item include the attribute information for monitoring point, and the attribute information includes at least the monitoring point corresponding device, affiliated
The parameter value of equipment point title, corresponding device point type and the monitoring point.
On the basis of the various embodiments described above, cooling tower equipment to be monitored can include: blower, feed water valve and return water
Valve, the corresponding monitoring point of the list item include it is following at least one:
The start-up and shut-down control point of the blower switches at high speed point, low speed switching point, and the feed water valve opens control point
Position, pass control point and opening for the back-water valve (BWV) control point, close control point.
Equipment state feeds back point, comprising: the operating status point of the blower, fast state point, lower-speed state point
Position, malfunction point, the open state point of the feed water valve, are closed at the open state point of off status point and the back-water valve (BWV)
State point.
Device parameter feeds back point, comprising: the frequency feedback point of the blower, the supply water temperature feedback of the feed water valve
The return water temperature of point and the back-water valve (BWV) feeds back point, pressure of return water feeds back point.
It is understood that the list item is not limited only to monitoring point cited by the corresponding embodiment of the present invention, in reality
In the operation of border, specific monitoring point can be set according to demand and monitors the corresponding relationship of point and list item.
Embodiment seven
Fig. 7 A is the applicable organizational structure of the control method of the cold station group control system of one kind provided by the embodiment of the present invention seven
Schematic diagram.The present embodiment is a preferable example, and as shown in Figure 7 A, the cold station group control system of one kind provided by the present embodiment includes clothes
Business device 710 and multiple devices controller 720.
Specifically, server 710 specifically includes expression layer 711, server logic layer 712,713 and of remote dummy point table
Communication driving layer 714.Wherein, expression layer 711 is used to show the operation interface of server 710, for input solicited message and display
Response message corresponding with the solicited message；Server logic layer 712, for according to the solicited message, that is, server institute
The control logic of configuration generates server control instruction；Remote dummy point table 713, including remote storage modules 7131 and long-range
Synchronization module 7132, wherein remote storage modules 7131 are used for storing remote dummy point table, remote synchronization module 7132
In each device controller 720 of reception list item data synchronous from local virtual point table, and it is updated to the long-range void
In quasi- point table, and it is used for the list item data synchronization updating in the remote dummy point table into device controller 720
In local virtual point table；Communication driving layer 714, for passing through controller, PLC driver and application programming interface
The foundation of forms and the device controllers such as API mapping communicates, to issue server control instruction to device controller 720, and with
720 interaction data of device controller.
Device controller 720 mainly includes local virtual point layer 721, basic logic layer 722 and driving layer 723.Specifically
Ground, local virtual point layer 721 include that module 7211 and local synchronization module 7212 is locally stored, wherein module is locally stored
7211, for storing local virtual point table, local synchronization module 7212, the list item for will update in local virtual point table
Data are synchronized in the remote dummy point table in server 710, to be fed back, wherein the remote dummy point table with
List item in the local virtual point table is identical；And the remote dummy point table issued for receiving server 710
In list item data, be synchronized in the corresponding table item of the local virtual point table.Basic logic layer 722, for receiving
After control instruction, according to the control instruction, local control logic is executed, is executed instruction with generating, and passes through driving layer
723 control cold station equipment with interface is executed.Layer 723 is driven, the execution for receiving the generation of basic logic layer 722 refers to
It enables, and cold station equipment is controlled by executing interface.
Fig. 7 B is the cold station group control system structural schematic diagram of one kind that the embodiment of the present invention seven provides, as shown in Figure 7 B, specifically
Ground, server logic layer may include a variety of decision logics, according to specific functional module, execute corresponding logical operation, wherein
It further include the interaction etc. between database.
In the system shown in the present embodiment, remote dummy point table is identical as the list item in local virtual point table, and
Data are synchronous, avoid " cold station equipment-device controller-server " two sections of multi-direction types allotments, greatly reduce debugging, again
The manpower and time cost of debugging, also reduce error rate.
Embodiment eight
Fig. 8 is the structure chart of the cold station group control system of one kind provided by the present embodiment eight, as shown, the system comprises
Server 810 and multiple equipment controller 820.
Each device controller 810 includes that module 811 and local synchronization module 712 is locally stored, wherein local to deposit
Module 811 is stored up, for storing local virtual point table；Local synchronization module 812, for will update in local virtual point table
List item data are synchronized in the remote dummy point table in server, to be fed back；And for receiving under the server
List item data in the remote dummy point table of hair, are synchronized in the corresponding table item of the local virtual point table.
Server 820 includes remote storage modules 821 and remote synchronization module 822, wherein remote storage modules 821 are used
In storage remote dummy point table, wherein the remote dummy point table is identical as the list item in the local virtual point table；
Remote synchronization module 822, for receiving each device controller list item data synchronous from local virtual point table, and more
In the new extremely remote dummy point table, and it is used for the list item data synchronization updating in the remote dummy point table to equipment
In local virtual point table in controller.
Technical solution provided by the present invention, the long-range void in local virtual point table and server in device controller
The list item of quasi- point table is identical, by synchronous remote dummy point table with the list item data in local virtual point table, as a result,
Different virtual point tables is configured without being individually for each device controller, also, in debugging process, is serviced without establishing
The corresponding relationship of virtual point table and list item in point table virtual in each device controller, eliminates the artificial tune in cumbersome ground in device
The process for trying docking, realizes the rapid abutting joint in remote dummy point table with the list item data in local virtual point table, excellent
The control process for having changed existing cold station group control system, has greatly saved manpower and time cost, has improved configuration and control effect
Rate.
On the basis of the above embodiments, it is preferable that in the local virtual point table and remote dummy point table, wrap
Include the list item of all monitoring points of each cold station equipment, the acquisition interface of the local virtual point table and the port for executing interface
Number with the solidification configuration of the corresponding relationship of list item in the device controller；Correspondingly, received institute, the device controller institute
State the list item data in the remote dummy point table that server issues include: for cold station equipment the machine control instruction or
The feedback data of other cold station equipments.
On the basis of the various embodiments described above, the device controller can also include:
Acquisition parameter update module, the acquisition parameter for being obtained according to acquisition interface update the local virtual point
Corresponding list item data in table.
On the basis of the various embodiments described above, the device controller can also include:
Basic logic module, for according to the control instruction, executing local control after receiving control instruction
Logic is executed instruction with generating, and is controlled by driving layer and execution interface cold station equipment.
On the basis of the various embodiments described above, the basic logic module is also used to:
The control logic configuration instruction that the server issues is received, concentrates selection to be held from the control logic being locally stored
Capable control logic is configured to currently running control logic.
Cold station group control system provided in this embodiment, the control with cold station group control system provided by any embodiment of the invention
Method processed belongs to same inventive concept, and the control method of cold station group control system provided by any embodiment of the invention can be performed,
Have the corresponding functional module of control method and beneficial effect for executing cold station group control system.Not detailed description in the present embodiment
Technical detail, reference can be made to any embodiment of that present invention provide cold station group control system control method.
Embodiment nine
Fig. 9 is a kind of cooling tower controller provided by the present embodiment nine.As shown in figure 9, the cooling tower controller packet
It includes multiple interfaces 910, module 920 and local synchronization module 930 is locally stored.
Wherein, multiple interfaces 910, including acquisition interface 911 and execution interface 912, the acquisition interface 911 and cooling tower
Collection point be connected, the execution interface 912 is connected with the execution point of the cooling tower；Module 920 is locally stored, for storing
Local virtual point table includes at least the list item for recording acquisition interface institute acquisition parameter in the local virtual point table,
And the list item of record control instruction；Local synchronization module 930, the list item data for will be updated in local virtual point table,
It is synchronized in the remote dummy point table in server, to be fed back；And for receiving described in the server issues
List item data in remote dummy point table are synchronized in the corresponding table item of the local virtual point table；Wherein, described long-range
Virtual point table is identical as the list item in the local virtual point table.
By adopting the above technical scheme, the remote dummy point table of the local virtual point table of cooling tower controller and server
List item is identical and list item data are synchronous, establish in server in virtual point table and cooling tower controller in virtually point table
The corresponding relationship of list item, eliminate cumbersome ground manual debugging docking process, realize in remote dummy point table with local void
The rapid abutting joint of list item data in quasi- point table, optimizes the control process of existing cooling tower controller, greatly saves
Manpower and time cost improve configuration and control efficiency.
On the basis of the above embodiments, the local virtual point table includes all monitoring points of each cold station equipment
The corresponding relationship solidification configuration of list item, the acquisition interface of the local virtual point table and the port numbers of execution interface and list item exists
It is described to be locally stored in module；Correspondingly, the cooling tower controller the long-range void that issues of the received server
List item data in quasi- point table include: the feedback data for the control instruction of cooling tower the machine or other cold station equipments.
On the basis of the various embodiments described above, the cooling tower controller can also include basic logic layer, control module
With driving layer.Wherein, basic logic layer, for being produced by driving layer according to the control instruction updated in local virtual point table
Raw driving instruction, and the execution point by executing cooling tower described in Interface Controller；Control module, for receiving control instruction
Later, according to the control instruction, local control logic is executed, is executed instruction with generating；Layer is driven, for holding according to
Row instruction generates driving signal, and is controlled by the execution interface cooling tower.
On the basis of the various embodiments described above, the basic logic layer is particularly used in: according in local virtual point table
The control instruction of update executes local control logic, is executed instruction with generating, and by driving layer and executes interface to cooling
Tower is controlled；Wherein, the control logic is that the control logic being locally stored concentrates the currently running control of option and installment
Logic.
On the basis of the various embodiments described above, the basic logic layer specifically can also be used in: storage includes that multiple controls are patrolled
The control logic collection collected, and for receiving the control logic configuration instruction that server issues, from the control logic collection being locally stored
Control logic performed by middle selection is configured to currently running control logic.
On the basis of the various embodiments described above, the list item of the local virtual point table corresponds to each monitoring point in cooling tower
Position, each list item include the attribute information for monitoring point, and the attribute information includes at least the monitoring point corresponding device, affiliated
The parameter value of equipment point title, corresponding device point type and the monitoring point.
Wherein, cooling tower equipment typical case to be monitored be include: blower, feed water valve and back-water valve (BWV),
On the basis of the various embodiments described above, the corresponding monitoring point of the list item include it is following at least one:
The start-up and shut-down control point of the blower switches at high speed point, low speed switching point, and the feed water valve opens control point
Position, pass control point and opening for the back-water valve (BWV) control point, close control point；
Equipment state feeds back point, comprising: the operating status point of the blower, fast state point, lower-speed state point
Position, malfunction point, the open state point of the feed water valve, are closed at the open state point of off status point and the back-water valve (BWV)
State point；
Device parameter feeds back point, comprising: the frequency feedback point of the blower, the supply water temperature feedback of the feed water valve
The return water temperature of point and the back-water valve (BWV) feeds back point, pressure of return water feeds back point.
On the basis of the various embodiments described above, the monitoring point of the cooling tower controller and the corresponding relationship of interface can be wrapped
It includes: the frequency feedback point of the blower, the supply water temperature feedback point of the feed water valve and the return water temperature of the back-water valve (BWV)
Feedback point, pressure of return water feedback point, opening for the feed water valve control opening for point, pass control point and the back-water valve (BWV)
It controls point, close the open degree feedback of control point corresponding to simulation input interface；The feed water valve opens control point, closes control
The aperture setting of point and the back-water valve (BWV) opened control point, close control point corresponds to simulation output interface；The blower
Operating status point, fast state point, lower-speed state point, malfunction point, the open state point of the feed water valve,
Off status point and the open state point of the back-water valve (BWV), off status point correspond to digital input interface；The blower opens
Stop controlling point, switch at high speed point, low speed switching point, the feed water valve and open control point, close control point and described
Back-water valve (BWV) opens control point, closes control point corresponding to digital output interface.
On the basis of the various embodiments described above, the cooling tower controller further include: acquisition parameter update module is used for root
According to the acquisition parameter that acquisition interface obtains, corresponding list item data in the local virtual point table are updated.
Cooling tower controller provided in this embodiment, the control with cooling tower controller provided by any embodiment of the invention
Method processed belongs to same inventive concept, and the control method of cooling tower controller provided by any embodiment of the invention can be performed,
Have the corresponding functional module of control method and beneficial effect for executing cooling tower controller.Not detailed description in the present embodiment
Technical detail, reference can be made to any embodiment of that present invention provide cooling tower controller control method.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (8)
1. a kind of cooling tower controller characterized by comprising
Multiple interfaces, including acquisition interface and execution interface, the acquisition interface are connected with the collection point of cooling tower, the execution
Interface is connected with the execution point of the cooling tower；
Module is locally stored, for storing local virtual point table, is included at least described in record in the local virtual point table
The list item of acquisition interface institute acquisition parameter, and the list item of record control instruction；
Local synchronization module, the list item data for will be updated in local virtual point table, the long-range void being synchronized in server
In quasi- point table, to be fed back；And for receiving the list item in the remote dummy point table that the server issues
Data are synchronized in the corresponding table item of the local virtual point table；Wherein, the remote dummy point table and the local void
List item in quasi- point table is identical and list item data are synchronous；Each list item of the virtual point table is for recording each monitoring point
The information of position；
The local virtual point table includes that the list item of the monitoring point of cooling tower is associated with all of cold station equipment with other
Monitor the list item of point；
The corresponding relationship solidification configuration of the port numbers and list item of the cooling tower controller acquisition interface and execution interface is described
In cooling tower controller；
Correspondingly, the cooling tower controller list item in the remote dummy point table that issues of the received server
Data include: the feedback data of the control instruction and other cold station equipments for cooling tower the machine；
Wherein, the cooling tower controller further include:
Basic logic layer is executed instruction for executing local control logic according to the control instruction received with generating, and
Cold station equipment is controlled by driving layer and execution interface.
2. cooling tower controller according to claim 1, which is characterized in that the basic logic layer is specifically used for:
According to the control instruction updated in local virtual point table, local control logic is executed, is executed instruction with generating, and lead to
Layer of overdriving controls cooling tower with interface is executed；Wherein, the control logic is that the control logic being locally stored is concentrated
The currently running control logic of option and installment.
3. cooling tower controller according to claim 2, which is characterized in that the basic logic layer is specifically used for:
Storage includes the control logic collection of multiple control logics, and for receiving the control logic configuration instruction that server issues,
The control logic for concentrating selection performed from the control logic being locally stored, is configured to currently running control logic.
4. cooling tower controller according to any one of claim 1-3, it is characterised in that: the local virtual point table
List item correspond in cooling tower and respectively monitor point, each list item includes the attribute information for monitoring point, and the attribute information is extremely
It less include the ginseng of the monitoring point corresponding device, corresponding device point title, corresponding device point type and the monitoring point
Numerical value.
5. cooling tower controller according to claim 4, which is characterized in that equipment to be monitored includes in the cooling tower
Blower, feed water valve and back-water valve (BWV).
6. cooling tower controller according to claim 5, which is characterized in that under the corresponding monitoring point of the list item includes
State at least one:
The start-up and shut-down control point of the blower, switch at high speed point, low speed switching point, the feed water valve open control point,
It closes control point and opening for the back-water valve (BWV) controls point, closes control point；
Equipment state feeds back point, comprising: the operating status point of the blower, fast state point, lower-speed state point, event
Barrier state point, open state point, the off status of the open state point of the feed water valve, off status point and the back-water valve (BWV)
Point；
Device parameter feeds back point, comprising: the frequency feedback point of the blower, the supply water temperature feedback point of the feed water valve
The return water temperature of position and back-water valve (BWV) feedback point, pressure of return water feed back point.
7. cooling tower controller according to claim 6, it is characterised in that:
The frequency feedback point of the blower, the supply water temperature feedback point of the feed water valve and the return water temperature of the back-water valve (BWV)
Degree feedback point, pressure of return water feedback point, opening for the feed water valve control point, pass control point and the back-water valve (BWV)
It opens control point, close the open degree feedback of control point corresponding to simulation input interface；
The feed water valve opens opening control point, closing opening for control point for control point, pass control point and the back-water valve (BWV)
Degree setting corresponds to simulation output interface；
Operating status point, fast state point, lower-speed state point, the malfunction point of the blower, the feed water valve
Open state point, open state point, the off status point of off status point and the back-water valve (BWV) connect corresponding to numeral input
Mouthful；
The start-up and shut-down control point of the blower, switch at high speed point, low speed switching point, the feed water valve open control point,
Pass control point and opening for the back-water valve (BWV) control point, close control point corresponding to digital output interface.
8. cooling tower controller according to claim 1, which is characterized in that further include:
Acquisition parameter update module, the acquisition parameter for being obtained according to acquisition interface update in the local virtual point table
Corresponding list item data.
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| CN113237375B (en) * | 2021-05-18 | 2022-08-26 | 贵州汇通华城股份有限公司 | Cooling tower startup and shutdown control method and system |
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| CN102508474A (en) * | 2011-11-01 | 2012-06-20 | 杭州哲达科技股份有限公司 | Circulated cooling water operation optimization control system for industrial enterprise |
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