CN105843098B - A kind of cold station pump group controller - Google Patents
A kind of cold station pump group controller Download PDFInfo
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- CN105843098B CN105843098B CN201610201736.4A CN201610201736A CN105843098B CN 105843098 B CN105843098 B CN 105843098B CN 201610201736 A CN201610201736 A CN 201610201736A CN 105843098 B CN105843098 B CN 105843098B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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Abstract
The invention discloses a kind of cold station pump group controllers, including：Multiple interfaces, including acquisition interface and execution interface, acquisition interface are connected with the collection point of cold station pump group, execute interface and are connected with the execution point of cold station pump group；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, for being synchronized in the remote dummy point table in server, newer list item data in local virtual point table 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 scheme of the present invention realizes the rapid abutting joint of cold station pump group and server, has saved manpower and time cost, improved configuration and control efficiency.
Description
Technical field
The present embodiments relate to Electrical Control Technology, more particularly to a kind of cold station pump group controller.
Background technology
Continuous improvement with people to QoS requirements, proportion is not in building total energy consumption for Heating,Ventilating and Air Conditioning energy consumption
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., includes the refrigeration equipment of polymorphic type, big quantity simultaneously, 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 is connected with each other with various pipelines, needs co-ordination, 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
According to overall demand for control, control instruction then is sent to each equipment for the parameters such as degree, flow and valve opening.
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 is energy saving to be 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 includes mainly server and the controller that each equipment itself configures.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 perform and how to be executed, will specifically execute instruction again from the interface of connection execution point
It sends out.In the deterministic process of above-mentioned control logic, if the controller needs the parameter of other cold station equipments, need to server
It sends and obtains request.
Obviously, above-mentioned cold station group control system is highly professional, and daily cold station administration personnel only monitor boundary by cold station
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.What is more important, it is above-mentioned
The correspondence 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 Connection Service device, 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.
Invention content
The present invention provides a kind of cold station pump group controller, to improve the control process of cold station pump group controller, improves configuration
And control efficiency.
In a first aspect, an embodiment of the present invention provides a kind of control methods of cold station pump group, including：
The parameter for the cold station pump group device collection point that cold station pump group controller is obtained according to acquisition interface, updates local virtual point
Corresponding list item data in the table of position；
Newer list item data in local virtual point table are synchronized to remote in server by the cold station pump group controller
In the virtual point table of journey, to be fed back, wherein the remote dummy point table and the list item in the local virtual point table
It is identical；
The cold station pump group controller receives the list item data in the remote dummy point table that the server issues,
It is synchronized in the corresponding table item of the local virtual point table；
The cold station pump group controller is according to newer control instruction in local virtual point table, by driving layer to generate drive
Dynamic instruction, and the execution point by executing cold station pump group described in Interface Controller.
Second aspect, the embodiment of the present invention additionally provide a kind of cold station pump group, including：
Multiple interfaces, including acquisition interface and execution interface, the acquisition interface are connected with the collection point of cold station pump group, institute
Execution interface is stated with the execution point of the cold station pump group to be connected；
Module is locally stored, for storing local virtual point table, record is included at least in the local virtual point table
The list item of acquisition interface institute acquisition parameter, and record the list item of control instruction；
Local synchronization module, for by newer list item data in local virtual point table, being 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 cold station pump group controller in local virtual point table and server in it is remote
The list item of the virtual point table of journey is identical, by synchronous remote dummy point table with the list item data in local virtual point table,
Different virtual point tables is configured without being individually for cold station pump group controller as a result, eliminates the manual debugging docking of cumbersome ground
Process realizes the rapid abutting joint with the list item data in local virtual point table in remote dummy point table, optimizes existing
Cold station group control system control process, greatly saved manpower and time cost, improved configuration and control efficiency.
Description of the drawings
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 a kind of flow chart of the control method for cold station group control system that the embodiment of the present invention one provides；
The applicable organizational structure signal of the control method for the cold station group control system that Fig. 2 is provided by the embodiment of the present invention one
Figure；
Fig. 3 is a kind of flow chart of the control method for cold station group control system that the embodiment of the present invention three provides；
Fig. 4 is a kind of flow chart of the control method for cold station group control system that the embodiment of the present invention four provides；
Fig. 5 is a kind of flow chart of the control method for cold station group control system that the embodiment of the present invention five provides；
Fig. 6 is a kind of flow chart of the control method for cold station pump group controller that the embodiment of the present invention six provides；
Fig. 7 A are that a kind of applicable organizational structure of the control method for cold station group control system that the embodiment of the present invention seven provides is shown
It is intended to；
Fig. 7 B are the cold station group control system structural schematic diagram of one kind that the embodiment of the present invention seven provides；
Fig. 8 is a kind of structure chart for cold station group control system that the embodiment of the present invention eight provides；
Fig. 9 is a kind of structure chart for cold station pump group controller that the embodiment of the present invention nine provides.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with the accompanying drawings 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 described as flow chart or method.Although operations (or step) are described as sequence by flow chart
Processing, but many of which operation 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 be attached in attached drawing with being not included in
Add step.The processing can correspond to method, function, regulation, subroutine, subprogram etc..
Embodiment one
Fig. 1 is a kind of flow chart of the control method for cold station group control system 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：
Newer list item data in local virtual point table are synchronized to remote in server by step 110, device controller
In the virtual point table of journey, to be fed back, wherein the remote dummy point table and the list item in 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 include mainly 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 all same of each device controller storage,
Both included the monitoring point bit entry involved by 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, device controller is by newer list item in local virtual point table
Data are synchronized in the remote dummy point table in server, to be fed back, ensure 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 the 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 newer list item data 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.
The applicable organizational structure signal of the control method for the cold station group control system that Fig. 2 is 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
Synchronous 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 correspondences 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 synchronize, 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 correspondence of virtual point table and list item in virtual point table in each device controller in device eliminates the artificial tune in cumbersome ground
The process for trying docking, realizes the rapid abutting joint with the list item data in local virtual point table in remote dummy 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 lies in, in the present embodiment, the local virtual point table and remote dummy point table
In, 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 correspondence solidification configuration of list item are in the device controller；Correspondingly, the device controller institute
List item data in the remote dummy point table that issues of the server received include：For the control of cold station equipment the machine
The feedback data of system instruction or other cold station equipments.
In embodiments of the present invention, server is as the main controller in cold station group control system, the remote dummy in server
The list item that all monitoring points of each cold station equipment are 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 synchronize, 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, request is obtained without being sent to server, it can be directly from the local virtual point in device controller
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, involved in the loop of the environmental area when more cold station equipments, the device controller in each cold station equipment
The parameter that the parameter of itself is associated with cold station equipment with other can be directly obtained from the local virtual point table that itself is configured, 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 that digital quantity inputs (DI) interface and analog input (AI) interface etc.；
It includes digital output (DO) interface, analog output (AO) interface and communication input/output interface RS485 etc. to execute interface.
Wherein, the corresponding monitoring point of digital input interface includes opening for operating status, malfunction, local remote status and valve
Off status etc.；The corresponding monitoring point of digital-quantity output interface includes the switch control of the start-up and shut-down control and valve of cold station equipment
Deng；The corresponding monitoring point of input interface of analog quantity includes frequency feedback, valve opening feedback etc.；Analog output interface circuit pair
The monitoring point answered includes frequency adjusting and valve opening setting etc.；Communicate the corresponding monitoring points of input/output interface RS485
Including 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 manifold bypath valves on off state and cooling manifold bypath valve on off states 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 manifold bypath valves switch control and
Cooling manifold bypath valves 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 manifold bypass open degree feedbacks and cooling manifold supply and return water temperatures etc., the corresponding prison of analog output interface circuit
It includes freezing manifold bypass aperture controls etc. to control point, 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 solidification configuration
The correspondence of the acquisition interface and the port numbers and list item that execute interface of quasi- point table, 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 coordinating controlling each device controller, 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, are set for passing through device controller control refrigeration plant
Standby the machine, therefore, the list item data in the remote dummy point table that the server that device controller is received issues
It include the control instruction for cold station equipment the machine.Due in cold station group control system, coordinating more of control by server sync and setting
Preparation controller, in practical operation, device controller is not usually independent, needs to work with other equipment controller coordinate,
Therefore the list item data in the remote dummy point table that the server that device controller is received issues preferably are wrapped
Include the feedback data of other cold station equipments.
Embodiment three
Fig. 3 is a kind of flow chart of the control method for cold station group control system 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 lies in the controls of the cold station group control system
Method processed may also include：The acquisition parameter that the device controller is obtained according to acquisition interface updates 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.
Newer list item data in local virtual point table are synchronized to remote in server by step 320, device controller
In the virtual point table of journey, to be fed back, wherein the remote dummy point table and the list item in 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.
The technical solution that the present embodiment is provided, 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 with the list item data in remote dummy point table in local virtual point table may be implemented in Xiang Zhong, realizes to cold
Station equipment more accurately controls.
Example IV
Fig. 4 is a kind of flow chart of the control method for cold station group control system 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 lies in the controls of the cold station group control system
Method may also include：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：
Newer list item data in local virtual point table are synchronized to remote in server by step 410, device controller
In the virtual point table of journey, to be fed back, wherein the remote dummy point table and the list item in 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 it is the identifiable equipment control instruction of device controller, is 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 executing interface.
General PLC is typically the programmable logic controller (PLC) of a blank, needs to be separately configured in cold station group control system
The correspondence 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, the number in this time can be caused
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 correspondence of list item cure at least one control logic suitable for device controller in described
In device controller, this not only solves the problem of PLC is implanted into algorithm temporarily, while also effectively preventing causing when communication failure
Loss of data.
It is directed to cold station equipment the machine 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 and drive 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, control one can be generated
Or multiple valve voltage values are that setting value etc. executes instruction, and are controlled cold station equipment by driving layer and executing interface.Into
And device controller is by the list item data update 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.
Using above-mentioned technical proposal, 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, execute
Local control logic, generation execute instruction, and are controlled cold station group's system by driving layer and executing interface, realize
Rapid abutting joint between server and device controller, improves configuration and control efficiency.
Embodiment five
Fig. 5 is a kind of flow chart of the control method for cold station group control system 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 lies in receive in the device controller
After control instruction, further include：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 executing interface.
Correspondingly, the method for the present embodiment specifically includes：
Newer list item data in local virtual point table are synchronized to remote in server by step 510, device controller
In the virtual point table of journey, to be fed back, wherein the remote dummy point table and the list item in 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 are usually in compared with multi-user in public place, for example, 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 possible
It is quiet, the control logic that is locally stored concentrate can create it is energy saving based on the night control logic suitable for rest environment.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, create 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, such as applicable control logic etc. is respectively created for old man, child, pregnant woman, sufferer crowd.
In actual mechanical 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 executing interface.
The technical solution that the present embodiment is provided, 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 executing interface so that the control of device controller is patrolled
It volume can realize 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 cold station pump group controller that the embodiment of the present invention six provides.This implementation
Example is optimized based on above-described embodiment, and compared with above-described embodiment, difference lies in the device controller is cold station
Pump group controller.
Correspondingly, the method for the present embodiment includes：
The parameter for the cold station pump group collection point that step 610, cold station pump group controller are obtained according to acquisition interface, update are local
Corresponding list item data in virtual point table.
Newer list item data in local virtual point table are synchronized to service by step 620, the cold station pump group controller
In remote dummy point table in device, to be fed back, wherein the remote dummy point table and the local virtual point table
In list item it is identical.
Step 630, the cold station pump group controller receive 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.
Step 640, the cold station pump group controller pass through driving according to newer control instruction in local virtual point table
Layer generates driving instruction, and the execution point by executing cold station pump group described in Interface Controller.
Using above-mentioned technical proposal, the remote dummy point of the local virtual point table and server of cold station pump group controller
The list item of table is identical and list item data synchronize, and establishes virtual point table and virtual point in cold station pump group controller in server
The correspondence of list item in table eliminates the process of cumbersome ground manual debugging docking, realize in remote dummy point table with this
The rapid abutting joint of list item data in the virtual point table in ground optimizes the control process of existing cold station pump group controller, greatly
Manpower and time cost have been saved in ground, improve configuration and control efficiency.
On the basis of the above embodiments, 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, the acquisition interface of the local virtual point table and the port for executing interface
Number with the solidification configuration of the correspondence of list item in the cold station pump group controller.Using above-mentioned technical proposal, to cold station pump group
The acquisition interface and the port numbers of execution interface and the correspondence of list item of the local virtual point table of controller are cured, right
Control logic algorithm and control strategy optimize, and configuration and control efficiency can be further improved.
Correspondingly, in the remote dummy point table that the server that the cold station pump group controller is received issues
List item data include：The feedback data of control instruction or other cold station equipments for cold station pump group the machine.
On the basis of the above embodiments, preferably, by the cold station pump group controller according in local virtual point table
Newer control instruction, by driving layer to generate driving instruction, and the execution point by executing cold station pump group described in Interface Controller
It is optimized for：The cold station pump group controller executes local control and patrols according to newer control instruction in local virtual point table
Volume, it is executed instruction with generating, and cold station equipment is controlled by driving layer and executing interface；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 cold station pump group typical case be include refrigeration machine, refrigerating water pump and cooling pump；Institute
The list item for stating local virtual point table corresponds in cold station pump group and respectively monitors point, and each list item includes monitoring the attribute of point to believe
Breath, the attribute information include at least the monitoring point corresponding device, corresponding device point title, corresponding device point type,
And the parameter value of the monitoring point.
On the basis of the above embodiments, illustratively, the corresponding monitoring point of the list item includes following at least one：
Start-up and shut-down control, the switch control of valve, operating status, malfunction, local remote status, the on off state of valve, frequency tune
Section, valve opening setting, frequency feedback, valve opening feedback, electric energy meter bus, cold meter bus, pressure sensor bus and
Frequency converter bus.
It is understood that the list item is not limited only to the 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 correspondence of point and list item.
Embodiment seven
The organizational structure that a kind of control method for cold station group control system that Fig. 7 A are provided by the embodiment of the present invention seven is applicable in
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 that the present embodiment is provided 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 controls 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 720 list item data synchronous from local virtual point table of the device controller of reception, and it is updated to the long-range void
In quasi- point table, and being used for will be in the list item data synchronization updating to device controller 720 in the remote dummy point table
In local virtual point table；Communication driving layer 714, for passing through controller, PLC drivers and application programming interface
The foundation of the forms such as API mappings and device controller communicates, and is instructed to device controller 720 with issuing server controls, and with
720 interaction data of device controller.
Device controller 720 includes mainly 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 is used for newer list item 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 by 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 are 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 710 may include a variety of decision logics, according to specific function module, execute corresponding logical operation,
In further include 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 synchronize, and avoid the allotment of " cold station equipment-device controller-server " two sections of multi-direction types, greatly reduce debugging, again
The manpower and time cost of debugging, also reduce error rate.
Embodiment eight
A kind of structure chart for cold station group control system that Fig. 8 is provided by the present embodiment eight, as shown, the system comprises
Server 820 and multiple equipment controller 810.
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, being used for will be newer 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, the list item data synchronous from local virtual point table for receiving each device controller, 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 correspondence of virtual point table and list item in virtual point table in each device controller in device eliminates the artificial tune in cumbersome ground
The process for trying docking, realizes the rapid abutting joint with the list item data in local virtual point table in remote dummy 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 correspondence of list item in the device controller；Correspondingly, the institute that the device controller is received
The list item data stated in the remote dummy point table that server issues include：Control instruction for cold station equipment the machine 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, is used for
According to the acquisition parameter that acquisition interface obtains, corresponding list item data in the local virtual point table are updated.
On the basis of the various embodiments described above, the device controller can also include：Basic logic module, for connecing
After receiving control instruction, according to the control instruction, local control logic is executed, is executed instruction with generating, and pass through drive
Dynamic layer and execution interface control cold station equipment.
On the basis of the various embodiments described above, the basic logic module is additionally operable to：Receive the control that the server issues
Logic configuration instruction processed, the control logic for concentrating selection performed from the control logic being locally stored, is configured to currently running
Control logic.
Cold station group control system provided in this embodiment, the control of the cold station group control system provided with any embodiment of the present invention
Method processed belongs to same inventive concept, can perform the control method for the cold station group control system that any embodiment of the present invention is provided,
Have the corresponding function module of control method and advantageous 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 the present invention provide cold station group control system control method.
Embodiment nine
The cold station pump group controller of one kind that Fig. 9 is provided by the present embodiment nine.As shown in figure 9, the cold station pump group control
Device includes multiple interfaces 910, module 920 and local synchronization module 930 is locally stored.
Wherein, multiple interfaces 910, including acquisition interface 911 and execute interface 912, the acquisition interface 911 respectively with it is cold
The collection point for pump group of standing is connected, and the interface 912 that executes is connected with the execution point of the cold station pump group respectively；Module is locally stored
920, it is included at least for storing local virtual point table, in the local virtual point table and records the acquisition interface and acquired
The list item of parameter, and record the list item of control instruction；Local synchronization module 930, for will be updated in local virtual point table
List item data, be synchronized in the remote dummy point table in server, to be fed back；And for receiving the server
List item data in the remote dummy point table issued, are synchronized in the corresponding table item of the local virtual point table；Its
In, the remote dummy point table is identical as the list item in the local virtual point table.
Using the cold station pump group controller of above-mentioned technical proposal, the process of cumbersome ground manual debugging docking is eliminated, is realized
Rapid abutting joint in remote dummy point table with the list item data in local virtual point table, optimizes existing cold station pump group
The control process of controller has greatly saved manpower and time cost, improves 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 correspondence 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 cold server that is received of station pump group controller issue it is described long-range
Virtually the list item data in point table include：The feedback coefficient of control instruction or other cold station equipments for cold station pump group the machine
According to.
On the basis of the various embodiments described above, the cold station pump group controller can also include basic logic layer, control mould
Block and driving layer.Wherein, basic logic layer, for according to newer control instruction in local virtual point table, passing through driving layer
Generate driving instruction, and the execution point by executing cold equipment described in Interface Controller；Control module, for receiving control
After instruction, according to the control instruction, local control logic is executed, is executed instruction with generating；Layer is driven, for according to institute
It states and executes instruction generation drive signal, and cold equipment is controlled by the execution interface.
On the basis of the various embodiments described above, the basic logic layer is particularly used in：According in local virtual point table
Newer control instruction executes local control logic, is executed instruction with generating, and by driving layer and executing interface to cold station
Pump group is controlled；Wherein, the control logic is that the control logic being locally stored concentrates the currently running control of option and installment
Logic processed.
On the basis of the various embodiments described above, the basic logic layer specifically can be additionally 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, which corresponds in cold equipment, respectively to be monitored
Point, each list item include the attribute information for monitoring point, and the attribute information includes at least monitoring point corresponding device, the institute
Belong to the parameter value of equipment point title, corresponding device point type and the monitoring point.
On the basis of the various embodiments described above, the corresponding monitoring point of the list item includes following at least one：Start and stop control
System, the switch control of valve, operating status, malfunction, local remote status, the on off state of valve, frequency adjusting, valve
Aperture setting, frequency feedback, valve opening feedback, electric energy meter bus, cold meter bus, pressure sensor bus and frequency converter are total
Line.
On the basis of the various embodiments described above, the correspondence of the monitoring site and interface can be：
The numeral output that the switch control monitoring point of start-up and shut-down control and valve corresponds to the cold station pump group controller connects
Mouthful；Operating status, malfunction, local remote status, the on off state monitoring point of valve correspond to the cold station pump group control
The digital input interface of device processed；Frequency is adjusted and valve opening setting monitors the mould that point corresponds to the cold station pump group controller
Quasi- output interface；The simulation input that frequency feedback and valve opening feedback monitoring point correspond to the cold station pump group controller connects
Mouthful；Electric energy meter bus, cold meter bus, pressure sensor bus and frequency converter monitoring bus point correspond to the cold station pump group
The RS485 serial communication interfaces of controller.
On the basis of the various embodiments described above, the cold station pump group controller further includes：Acquisition parameter update module, is used for
According to the acquisition parameter that acquisition interface obtains, corresponding list item data in the local virtual point table are updated.
Cold device controller provided in this embodiment, the cold device controller provided with any embodiment of the present invention
Control method belong to same inventive concept, can perform the control of cold device controller that any embodiment of the present invention is provided
Method has the corresponding function module of control method and advantageous effect for executing cold device controller.Not in the present embodiment
The technical detail of detailed description, reference can be made to the control method for the cold device controller that any embodiment of the present invention provides.
Note that above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The present invention is not limited to specific embodiments described here, can 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 to the present invention by above example
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
May include other more equivalent embodiments, and the scope of the present invention is determined by scope of the appended claims.
Claims (7)
1. a kind of cold station pump group controller, which is characterized in that including：
Multiple interfaces, including acquisition interface and execution interface, the acquisition interface is connected with the collection point of cold station pump group, described to hold
Line interface is connected with the execution point of the cold station pump group；
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 record the list item of control instruction；
Local synchronization module is used for newer list item data 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；
The local virtual point table includes that the list item of the monitoring point of cold station pump group equipment is associated with the institute of cold station equipment with other
There is the list item of monitoring point；
The correspondence solidification configuration of the acquisition interface of the cold station pump group controller and the port numbers of execution interface and list item exists
In the cold station pump group controller；
Correspondingly, the table in the remote dummy point table that the server that the cold station pump group controller is received issues
Item data includes：For the feedback data of the control instruction and other cold station equipments of cold station pump group the machine；
Wherein, further include：
Basic logic layer is executed instruction for according to the control instruction received, executing local control logic with generating, and
Cold station pump group equipment is controlled by driving layer and executing interface.
2. cold station pump group controller according to claim 1, which is characterized in that the basic logic layer is specifically used for：
According to newer control instruction in local virtual point table, local control logic is executed, is executed instruction with generating, and lead to
Layer of overdriving controls cold station pump group with interface is executed；Wherein, the control logic is the control logic collection being locally stored
The currently running control logic of middle option and installment.
3. wanting the cold station pump group controller described in 2 according to right, 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. according to any cold station pump group controllers of claim 1-3, it is characterised in that：The local virtual point table
List item, which corresponds in cold station pump group, respectively monitors point, and each list item includes the attribute information for monitoring point, and the attribute information is extremely
Include the monitoring point corresponding device, corresponding device point title, the ginseng of corresponding device point type and the monitoring point less
Numerical value.
5. cold station pump group controller according to claim 4, which is characterized in that the corresponding monitoring point of the list item includes
It is following at least one：
Start-up and shut-down control, the switch control of valve, operating status, malfunction, local remote status, the on off state of valve, frequency
Rate adjusting, valve opening setting, frequency feedback, valve opening feedback, electric energy meter bus, cold meter bus, pressure sensor are total
Line and frequency converter bus.
6. cold station pump group controller according to claim 5, it is characterised in that：
The switch control monitoring point of start-up and shut-down control and valve corresponds to the digital output interface of the cold station pump group controller；
Operating status, malfunction, local remote status, the on off state monitoring point of valve correspond to the cold station pump group control
The digital input interface of device processed；
Frequency is adjusted and valve opening setting monitors the simulation output interface that point corresponds to the cold station pump group controller；
Frequency feedback and valve opening feedback monitoring point correspond to the simulation input interface of the cold station pump group controller；
Electric energy meter bus, cold meter bus, pressure sensor bus and frequency converter monitoring bus point correspond to the cold station pump
The RS485 serial communication interfaces of group controller.
7. cold station pump group 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, updates in the local virtual point table
Corresponding list item data.
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| CN101515171A (en) * | 2008-02-22 | 2009-08-26 | 当代天启技术（北京）有限公司 | Intelligent control network system and networking method |
| CN201666640U (en) * | 2009-12-14 | 2010-12-08 | 浙江大学 | Control system of central air conditioner based on wireless sensor network |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101515171A (en) * | 2008-02-22 | 2009-08-26 | 当代天启技术（北京）有限公司 | Intelligent control network system and networking method |
| CN201666640U (en) * | 2009-12-14 | 2010-12-08 | 浙江大学 | Control system of central air conditioner based on wireless sensor network |
| 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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