CN105759746B - The online updating method of DDC controller control strategies based on Lonworks communication protocols - Google Patents
The online updating method of DDC controller control strategies based on Lonworks communication protocols Download PDFInfo
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- CN105759746B CN105759746B CN201410796513.8A CN201410796513A CN105759746B CN 105759746 B CN105759746 B CN 105759746B CN 201410796513 A CN201410796513 A CN 201410796513A CN 105759746 B CN105759746 B CN 105759746B
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- 238000011217 control strategy Methods 0.000 title claims abstract description 69
- 238000004891 communication Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000009434 installation Methods 0.000 claims abstract description 18
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 8
- 238000012544 monitoring process Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 210000002569 neuron Anatomy 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000003475 lamination Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
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- 239000002356 single layer Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The online updating method of the invention discloses a kind of DDC controller control strategies based on Lonworks communication protocols, terminal device, by Lonworks link communications, are included the following steps by router and the DDC controllers of each installation site：S1, terminal device are addressed to the corresponding DDC controllers to be updated of the physics id number chosen by router, and establish and connect with the DDC controllers；S2, terminal device obtain the control strategy file that the location information based on the DDC controllers is edited, and the control strategy file is assigned to the DDC controllers by router.The beneficial effects of the practice of the present invention is, by directly using the link of Lonworks to carry out the download and update of control strategy, all DDC controllers can be operated effectively in computer room, include downloading compiled control strategy from terminal device and updating the DDC controller control strategies of different location.
Description
Technical field
The present invention relates to information transmission technique field, more specifically to a kind of based on Lonworks communication protocols
The online updating method of DDC controller control strategies.
Background technology
The Echelon companies in the U.S. in 1992 release Lonworks technologies, it indicates the new century of network of control system
Member has thoroughly broken old closed control model.It is the primary element in system, such as sensor, executive component, open circuit
Device etc., by control unit being connected into open measurement and control network using free topology frame mode based on Lontalk agreements, this
A network meets Open System Interconnection (OSI) pattern of International Organization for standardization (ISO) formulation.Lonwork---- is the U.S.
The monolayer distribution formula of the point-to-point two-way communication of Echelon companies exploitation controls network.It pursues comprehensive control of network, including
Sensor bus, device bus and fieldbus three meanings, practicability are very strong.Industry Control and manager can be used in
Face, but about 50% node, be used in building automation field, be ideal live real-time control network.
Lonworks technologies start from industrial automation development and application in intelligent building, its opening, interoperability, height
Outstanding advantages of reliability, non-stop layer detection, is generally acknowledged by common people, is the mainstream technology of current Intelligent Building Control System,
It is perfect in continuous development.Lonworks technologies tool there are one complete development system platform, including all designs, match
Set and support the element of control, Lonworks technologies composition includes hardware components and neuron (NEURON) lamination and software section
Communication protocol Lontalk.Using the intelligent building of Lonworks technologies, the basic unit of Lonworks networks is node,
Network node is also monitoring module, can be connected all monitoring modules of system using a bus, each monitoring module
It is made of, monitors neuron lamination, power supply, an I/O circuit by media communications transceiver and monitored device interface
Module can handle bulk information, monitor in real time and adjust to controlled device, since monitoring module is arranged near controlled device,
Line construction becomes simplified, and wiring quantity is reduced, and realizes real compartment system, the reliability of whole system is made to greatly improve.
Since LonWorks system extended capabilities are strong, such as increase control device, only need to increase node in bus, so that it may to realize system
Extension since the opening of system is, it can be achieved that the interoperating of different vendor's device, replace mutually be the technology upgrading of system
Provide multiple means.
DDC is the abbreviation of direct digital controller (Direct Digital Control), and controller is logical in DDC systems
Cross analog input channel (AI) and On-off signal channel (DI) acquisition real time data, then according to preset control strategy into
Row calculates, and finally sends out control signal, and directly control by analog output channel (A0) and output switch parameter channel (DO)
The operation of building equipment.DDC controllers are generally used for the HVAC and signal light control of mansion, and DDC controllers are distributed in each of mansion
A corner.The DDC usage amounts of one mansion can reach thousands of quantity.And all DDC controllers can be all connected to
Computer room carries out Centralized Monitoring.DDC, which presets rule, generally has the control strategy progress of expected operation of the special software to scene can
Depending on the configuration and programming of change, and generate a compiling file.DDC controllers can be according to preset rule by parsing this file
Rule is calculated and is controlled each equipment in building.
Fig. 1 is that existing DDC controllers control strategy downloads schematic diagram, as shown, the prior art is to pass through local string
Mouth or USB interface, compiling file is downloaded to from computer in DDC controllers.It is primarily present following disadvantage：1) DDC is controlled
Device is in a pre-installation, it is necessary to first plan the logic that this controller is run in systems, and carry out control strategy programming and download；If 2)
DDC controllers after mounting, need to change control strategy, then need the place for specially reaching the installation of this controller, go to be controlled
Make the update and download of strategy.
Invention content
The technical problem to be solved in the present invention is, need to pass through local serial ports for the above-mentioned DDC controllers of the prior art
Or usb interfaces make DDC controllers in a pre-installation from computer download control strategy and need to just carry out control strategy download and pacify
It needs the place for specially reaching controller installation to carry out the defect of update and the download of control strategy after dress, one kind is provided and is based on
The online updating method of the DDC controller control strategies of Lonworks communication protocols.
The technical solution adopted by the present invention to solve the technical problems is：It constructs a kind of based on Lonworks communication protocols
The online updating method of DDC controller control strategies, terminal device are logical by router and the DDC controllers of each installation site
Lonworks link communications are crossed, described method includes following steps：
S1, terminal device are addressed to the corresponding DDC controllers to be updated of the physics id number chosen by router, and
It establishes and connects with the DDC controllers；
S2, terminal device obtain the control strategy file edited of the location information based on the DDC controllers, and by the control
Strategy file processed is assigned to the DDC controllers by router.
In the online updating method of the above-mentioned DDC controller control strategies based on Lonworks communication protocols, the step
Further include before rapid S1：
The physics id number and location information of each DDC controllers of S0, terminal device records.
In the online updating method of the above-mentioned DDC controller control strategies based on Lonworks communication protocols, described
Between step S1 and step S2, further include：
The upgrade command for carrying physics id number is sent to the DDC controllers by S12, terminal device by router,
And when receiving the response message of the DDC controllers, step S2 is executed.
In the online updating method of the above-mentioned DDC controller control strategies based on Lonworks communication protocols, the step
The specific steps that the control strategy file is sent to router are included by terminal device in rapid S2：
The control strategy file division is N number of data block by terminal device, and will be every using the explicit message of Lonworks
A data block is loaded in respectively in corresponding explicit message, and sends explicit message one by one to the DDC controllers by router.
In the online updating method of the above-mentioned DDC controller control strategies based on Lonworks communication protocols, described
Further include after step S2：
S3, the DDC controllers receive explicit message one by one, and corresponding data block is stored in caching, N number of having received
After data block, which reconfigures N number of data block to form the control strategy file.
In the online updating method of the above-mentioned DDC controller control strategies based on Lonworks communication protocols, every aobvious
Show that message carries the physics id number of the DDC controllers respectively.
Implement the online updating method of the DDC controller control strategies based on Lonworks communication protocols of the present invention, tool
There is following advantageous effect：By directly using the link of Lonworks to carry out the download and update of control strategy, without installing
It is preceding DDC controllers are distinguished and control strategy download, as long as when installing each DDC controllers, terminal device records are every
The physics id number of the DDC controllers of a installation site, engineer can carry out all DDC controllers in computer room effective
Operation, includes downloading compiled control strategy from terminal device, updates the DDC controller control strategies of different location, be not necessarily to
The position of each DDC controller nodes is specially gone to, a large amount of manpower and materials are saved for a large amount of installation mode personnel.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing：
Fig. 1 is that existing DDC controllers control strategy downloads schematic diagram；
Fig. 2 is that terminal device of the present invention passes through Lonworks chains by the DDC controllers of router and each installation site
The schematic diagram of road communication
Fig. 3 is that terminal device establishes company by router DDC controllers to be updated corresponding with the physics id number chosen
The schematic diagram connect；
Fig. 4 is the schematic diagram at N number of data block by control strategy file division；
Fig. 5 is the data field format of upgrade command；
Fig. 6 is the data field format for the explicit message for including a data block；
Fig. 7 is that terminal device DDC controllers to be updated corresponding with the physics id number chosen carry out control strategy more
New schematic diagram；
Fig. 8 is the signal that N number of data block is reassembled into control strategy file by corresponding DDC controllers to be updated
Figure.
Specific implementation mode
For a clearer understanding of the technical characteristics, objects and effects of the present invention, now control attached drawing is described in detail
The specific implementation mode of the present invention.
Fig. 2 is that terminal device of the present invention passes through Lonworks chains by the DDC controllers of router and each installation site
The schematic diagram of road communication, and the practical computer for referring to commissioning staff of terminal device or center monitoring computer, in the prior art in DDC
It is that control strategy is carried out by computer serial port or USB port when controller need to be downloaded from terminal device or update control strategy
It downloads and updates.And the present invention carries out the download and update of control strategy by directly using the link of Lonworks, is installing
When each DDC controllers, as long as the physics id number of the DDC controllers of each installation site of terminal device records and position letter
Breath, without in advance to DDC controllers carry out control strategy download, engineer can computer room to all DDC controllers into
The update of row control strategy is saved without specially going to the position of each DDC controller nodes for a large amount of installation mode personnel
A large amount of manpower and materials.
The online updating method of the DDC controller control strategies based on Lonworks communication protocols of the present invention includes as follows
Step：
S1, terminal device are addressed to the corresponding DDC controllers to be updated of the physics id number chosen by router, and
It establishes and connects with the DDC controllers；
S2, terminal device obtain the control strategy file edited of the location information based on the DDC controllers, and by the control
Strategy file processed is assigned to the DDC controllers by router.
Further include before step step S1：
The physics id number and location information of each DDC controllers of S0, terminal device records.All DDC in this step
Controller inputs the information of each DDC controllers installation site when installation, such as corridor 1,1 information of office.And
And it ensure that the uniqueness of the physics id number of each DDC controllers, the present invention use object by Lonworks neuron chips
ID addressing systems are managed, terminal device can inquire the physics id number of all DDC controllers and corresponding position by router
Information.
It is corresponded to as shown in figure 3, being addressed to the physics id number chosen by router for terminal device in above-mentioned steps S1
DDC controllers to be updated, and with the DDC controllers establish connection schematic diagram, here DDC controllers to be updated refer to
It needs download or updates the DDC controllers of DDC control strategies.It is addressed to and physics id number by router in mobile terminal
(as shown, the id number chosen of mobile terminal is 1XXX) corresponding DDC controllers to be updated, terminal device just with this
DDC controllers establish connection.Although being corresponded to it is understood that merely illustrating a physics id number chosen in figure 3
One DDC controller to be updated, but actually mobile terminal can update of the DDC controllers of control strategy as needed
Number chooses multiple physics id numbers, terminal device to obtain corresponding position according to the DDC controllers further according to different location accordingly
The control strategy file of DDC controllers, then these control strategy files are separately dispensed into the DDC of corresponding position by router
Controller.
Between step S1 and step S2, further include：
The upgrade command for carrying physics id number is sent to the DDC controllers by S12, terminal device by router
(referring to above-mentioned DDC controllers to be updated), and when receiving the response message of the DDC controllers, execute step S2.In step
In S12, when terminal device and the DDC controllers are established after connection, computer software will pass through router and send upgrade command to this
DDC controllers so that the DDC controllers, which are in, waits for upgrade status.When computer software receives the response letter of the DDC controllers
After breath (i.e. etc. information to be upgraded), step S2 is just executed, is begun preparing for DDC controllers transmission control strategy file.
Wherein, control strategy file is assigned to the DDC controllers by terminal device by router in above-mentioned steps S2
Step specifically includes：
The control strategy file division is N number of data block by terminal device, and each data block includes 128 bytes, such as Fig. 4
It is shown, while computer software uses the explicit message of Lonworks, and each data block is loaded in corresponding explicit message respectively
In, and explicit message is sent to the DDC controllers by router one by one.Here mark of the explicit message independently of Lonworks
The network variable data length of pseudo-crystalline lattice variable, standard is fixed, and is 31B；And explicit message is then just on the contrary, its number
It is variable according to length, maximum length can reach 228B.Here explicit message structure is as follows：
Struct{
Boolean priority_on；// priority
Msg_tag teg；// message label
Int code；// message code
Int data[MAXDATA]；// data field
Boolean authenticated；// whether go to differentiate
Service_type service；// service type
Msg_out_addr dest_addr；// destination address
}
Wherein, the data field format for the upgrade command that terminal device is sent is as shown in figure 5, first of data field is entrance
The command code of upgrading：1a2a3a, second are that this needs to upgrade data block number：100, it is to be appreciated that this is one
Example, first can also be other to indicate such as arrange parameters or make corresponding DDC controllers suspend mode to enter test mode
Deng command code, data block number also and is not intended to be limited in any herein.
It is downloaded to a data are packaged in an explicit message in this step, format such as Fig. 6 institutes of data block data area
Show, data field first is data block sequence number, that is, represents which data block transmit at this time is, data field second is data
Block data length, such as 128B.It is (i.e. above-mentioned that explicit message is sent to by router to the DDC controllers one by one in order later
DDC controllers to be updated), it specifically includes：Mobile terminal sends explicit message to router one by one, waits for that router receives one by one
Include corresponding data block and the physics id number of the DDC controllers explicit message after, extract the physics ID of the DDC controllers
Number, then explicit message is sent to the DDC controllers one by one.
Further include after step S2：
S3, the DDC controllers (i.e. above-mentioned DDC controllers to be updated) receive explicit message one by one, and by corresponding number
According in block deposit caching, after having received N number of data block, DDC controllers reconfigure N number of data block to form above-mentioned control
Strategy file, to update the control strategy in original controller.As shown in fig. 7, being carried out for terminal device and the DDC controllers
The newer schematic diagram of control strategy, specifically, terminal device carry the DDC controllers by the transmission of router (not shown)
The upgrade command of physics id number makes the DDC controllers be in waiting upgrade status, which can also send response letter
Cease to terminal device, after terminal device receives the response message, i.e. response is ready, then by router (not shown) to this
DDC controller transmission datas block (data block is loaded in explicit message) often sends a data block, the DDC controllers
A response message can equally be sent to terminal device, after terminal device receives response message, i.e. response is successful at this time, then sends out
Next data block is sent, until N number of data block is all properly received by the DDC controllers.
Finally, which is reassembled into control strategy file by all data blocks, as shown in figure 8, realizing
Update to original control strategy.In conjunction with Fig. 4 and Fig. 8, terminal device is by the control of the DDC controllers of the corresponding position got
Strategy file is divided into N number of data block and is loaded in respectively in corresponding explicit message, sends display report one by one by router
Text to DDC controllers and the DDC controllers receives explicit message one by one, and after having received N number of data block, DDC controls
Device processed reconfigures N number of data block to form the control strategy file, not only increases the accuracy of transmission of data blocks, together
When control strategy file be split also be not take up network bandwidth.
Therefore, the present invention is not necessarily to by directly using the link of Lonworks to carry out the download and update of control strategy
DDC controllers are distinguished before installation and control strategy is downloaded, as long as when installing each DDC controllers, terminal device note
The physics id number and location information of the DDC controllers of each installation site are recorded, engineer can control all DDC in computer room
Device processed is operated effectively, and includes compiled control strategy being downloaded from terminal device, and control the DDC of different location
Device is upgraded, and the DDC controllers control strategy and other configurations and function of different location are updated, each without specially going to
The position of DDC controller nodes saves a large amount of manpower and materials for a large amount of installation mode personnel.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited in above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, all of these belong to the protection of the present invention.
Claims (1)
1. a kind of online updating method of the DDC controller control strategies based on Lonworks communication protocols, which is characterized in that eventually
End equipment is by router and the DDC controllers of each installation site by Lonworks link communications, and the method includes such as
Lower step：
The physics id number and location information of each DDC controllers of S0, terminal device records；
S1, terminal device are addressed to the corresponding DDC controllers to be updated of the physics id number chosen by router, and with this
DDC controllers establish connection；Between the step S1 and step S2, further include：
The upgrade command for carrying physics id number is sent to the DDC controllers by S12, terminal device by router, and
When receiving the response message of the DDC controllers, step S2 is executed；
S2, terminal device obtain the control strategy file edited of the location information based on the DDC controllers, and by the control plan
Slightly file is assigned to the DDC controllers by router；The control strategy file is passed through road by terminal device in the step S2
The specific steps that the DDC controllers are assigned to by device include：The control strategy file division is N number of data block by terminal device,
And each data block is loaded in respectively in corresponding explicit message using the explicit message of Lonworks, and by router by
Item sends explicit message to the DDC controllers；
S3, the DDC controllers receive explicit message one by one, and by corresponding data block deposit caching, are receiving N number of data
After block, which reconfigures N number of data block to form the control strategy file；Every explicit message carries respectively
There is the physics id number of the DDC controllers.
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| CN109634643B (en) * | 2018-11-19 | 2022-08-12 | 冶金自动化研究设计院 | Three-proofing automation equipment firmware upgrading system of civil air defense command post |
| CN110824976B (en) * | 2019-09-17 | 2020-09-08 | 浙江源创建筑智能科技有限公司 | Method and system for uploading and analyzing configuration files |
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| CN105759746A (en) | 2016-07-13 |
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