CN106603399A - BACnet/IP-DALI gateway communication method - Google Patents

BACnet/IP-DALI gateway communication method Download PDF

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Publication number
CN106603399A
CN106603399A CN201710073749.2A CN201710073749A CN106603399A CN 106603399 A CN106603399 A CN 106603399A CN 201710073749 A CN201710073749 A CN 201710073749A CN 106603399 A CN106603399 A CN 106603399A
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China
Prior art keywords
dali
bacnet
instructions
controllers
messages
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CN201710073749.2A
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CN106603399B (en
Inventor
钟其源
许锦标
杨应志
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Guangdong University of Technology
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Guangdong University of Technology
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/66Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40Control techniques providing energy savings, e.g. smart controller or presence detection

Abstract

The embodiment of the invention provides a BACnet/IP-DALI gateway communication method. The method comprises: receiving a BACnet message, and converting the BACnet message to a DALI instruction according to the preset mapping relation of the BACnet/IP-DALI object attributes; and sending the DALI instruction to a DALI controller to allow the DALI controller to execute the corresponding motion according to the DALI instruction. According to the embodiment of the invention, the BACnet message is converted to the DALI instruction according to the preset mapping relation of the BACnet/IP-DALI object attributes to realize the conversion from the BACnet message to the DALI instruction so as to allow a BACnet device to communicate with a device mounted on the DALI system and solve the technical problem that the device mounted on the DALI system cannot perform access through the BACnet device, and the objects that the DALI illuminating system can be conveniently embedded into the mainstream building control system based on the BACnet/IP to realize more hommization and energy-saving illumination management are realized.

Description

A kind of BACnet/IP-DALI gateway communication methods
Technical field
The present invention relates to field of network communication, more particularly to a kind of BACnet/IP-DALI gateway communication methods.
Background technology
DDC systems are that execution various logic control function is done using micro-signal processor, and it mainly adopts electric drive, But also available sensors connect pneumatic mechanism.The maximum feature of DDC systems be exactly from the collection of parameter, be transferred to control etc. each Link is realized using digital control function.Simultaneously digitial controller is capable of achieving the work(of multiple conventional instrument controllers Can, there can be the control loop of multiple different objects.Therefore DDC systems are usually used in the automatic control field of Architectural Equipment, such as intelligent family Occupy, the switch of control control electric light, the warm water of the switch even bathtub of curtain, allowing client to go back home at once can enjoy warm water Bath.
Nowadays DDC systems have obtained rapid development in Architectural Equipment automatic control field, but subsystems are all closings Exploitation, simply subsystem isolated one by one, is nonstandard product, is difficult to communicate between each system, such as Bacnet equipment With DALI systems, the operation of such subsystem, the heavy dependence system manufacturer of itself is safeguarded, cause the increase of various expenses.
BACnet/IP agreements are started late, and the research of this part is relatively fewer, for now BACnet/IP-DALI nets Pass still falls within present blank parts, and the equipment of DALI systems mounting still cannot go to access by BACnet equipment, and reason exists It is different in their communications protocol, it is impossible to be exchanged.
Therefore, it is badly in need of developing the on-chip system similar to the neuron chip in lonworks technologies, exploitation one is little The controller gateway of type, realizes the communication of both sides.
The content of the invention
A kind of BACnet/IP-DALI gateway communication methods are embodiments provided, for solving the mounting of DALI systems The technical problem that cannot be accessed by BACnet equipment of equipment.
A kind of BACnet/IP-DALI gateway communication methods provided in an embodiment of the present invention, including:
BACnet messages are received, and will be described according to the image relation of default BACnet/IP-DALI object properties BACnet messages are converted into DALI instructions;
DALI instructions are sent to DALI controllers so that the DALI controllers are performed according to DALI instructions Corresponding action.
Preferably, the image relation of the default BACnet/IP-DALI object properties is specifically included:
The addresses of the AI attributes correspondence DALI from controller of BACnet agreements, present Value Types are real, correspondence DALI Brightness value;
The addresses of the BI attributes correspondence DALI from controller of BACnet agreements, present Value Types are Boolean type, corresponding The switch attribute of DALI.
Preferably, the image relation of the default BACnet/IP-DALI object properties also includes:
The MI attributes of BACnet agreements and the light fixture group address of DALI object properties and the control of brightness.
Preferably, also include before the reception BACnet messages:
By the parameter initialization of the BACnet/IP-DALI gateways.
Preferably, reception BACnet messages and according to the image relation of default BACnet/IP-DALI object properties The BACnet messages are converted into into DALI instructions to specifically include:
Whether the data that detection is received are BACnet messages, if so, then according to default BACnet/IP-DALI objects The BACnet messages are converted into DALI instructions by the image relation of attribute, if it is not, then sending reception false alarm.
Preferably, described DALI instructions are sent to DALI controllers specifically includes:
Detect whether the DALI instruction formats are correct, if so, then by DALI instruction transmissions to DALI controllers, if It is no, then send format error warning.
Preferably, it is described DALI instructions to be sent to DALI controllers so that the DALI controllers are according to described DALI instructions are performed and also included after corresponding action:
Receive the DALI information of DALI controllers return and by the DALI feedback of the information to host computer.
A kind of BACnet/IP-DALI gateways provided in an embodiment of the present invention, based on a kind of above-mentioned BACnet/IP-DALI Gateway communication method is communicated, including:BACnet communication ports, industrial control mainboard, DALI communication ports;
The BACnet communication ports connect the industrial control mainboard, for reception to be from the BACnet messages of host computer and sends To industrial control mainboard;
The industrial control mainboard connects the DALI communication ports, for according to default BACnet/IP-DALI object properties The BACnet messages are converted into DALI instructions and DALI instructions are sent to DALI communication ports by image relation;
The DALI communication ports, for DALI instructions to be sent to DALI controllers so that the DALI controllers Corresponding action is performed according to DALI instructions.
Preferably, the industrial control mainboard includes com interface, processor;
One end of the com interface connects the processor, and the other end connects the BACnet communication ports or DALI communications Mouthful, for carrying out data transmission;
The industrial control mainboard also includes USB interface;
One end of the USB interface connects the processor, other end connection PC, for receiving the debugging from PC Order so that BACnet/IP-DALI agreements are migrated to the industrial control mainboard by the processor according to the debug command.
Preferably, the DALI communication ports are specifically for DALI instructions are sent to DALI master controllers so that institute State DALI master controllers to be converted into DALI and encode and send to DALI from controller DALI instructions, the DALI is from control The DALI coding and decodings for receiving are sent to LED drive module and then are carried out by device for pwm signal and by the pwm signal Control light is strong and weak.
As can be seen from the above technical solutions, the embodiment of the present invention has advantages below:
The embodiment of the present invention provides a kind of BACnet/IP-DALI gateway communication methods, including receives BACnet messages, and The BACnet messages are converted into by DALI instructions according to the image relation of default BACnet/IP-DALI object properties;By institute State DALI instructions to send to DALI controllers so that the DALI controllers perform corresponding action according to DALI instructions. The embodiment of the present invention is turned the BACnet messages by the image relation according to default BACnet/IP-DALI object properties Change into DALI instruction realize BACnet messages be converted into DALI instruction so that BACnet equipment can with DALI systems mounting set Standby communication, solves the technical problem that the equipment of DALI systems mounting cannot be accessed by BACnet equipment, DALI can be shone The thing of bright system easily inside the embedded building control system based on BACnet/IP for comparing main flow, realizes more hommization, section The illumination supervision of energyization.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is a kind of showing for one embodiment of BACnet/IP-DALI gateway communication methods provided in an embodiment of the present invention It is intended to;
Fig. 2 is default BACnet/ in a kind of BACnet/IP-DALI gateway communication methods provided in an embodiment of the present invention The schematic diagram of the image relation of IP-DALI object properties;
Fig. 3 is a kind of another embodiment of BACnet/IP-DALI gateway communication methods provided in an embodiment of the present invention Schematic diagram;
Fig. 4 is a kind of schematic diagram of one embodiment of BACnet/IP-DALI gateways provided in an embodiment of the present invention;
Fig. 5 is a kind of showing for an application examples of BACnet/IP-DALI gateway communication methods provided in an embodiment of the present invention It is intended to;
Fig. 6 is a kind of schematic diagram of an application examples of BACnet/IP-DALI gateways provided in an embodiment of the present invention.
Specific embodiment
A kind of BACnet/IP-DALI gateway communication methods are embodiments provided, for solving the mounting of DALI systems The technical problem that cannot be accessed by BACnet equipment of equipment.
To enable goal of the invention, feature, the advantage of the present invention more obvious and understandable, below in conjunction with the present invention Accompanying drawing in embodiment, is clearly and completely described, it is clear that disclosed below to the technical scheme in the embodiment of the present invention Embodiment be only a part of embodiment of the invention, and not all embodiment.Based on the embodiment in the present invention, this area All other embodiment that those of ordinary skill is obtained under the premise of creative work is not made, belongs to protection of the present invention Scope.
Refer to Fig. 1, an a kind of enforcement of BACnet/IP-DALI gateway communication methods provided in an embodiment of the present invention Example, including:
BACnet messages are received, and will be described according to the image relation of default BACnet/IP-DALI object properties BACnet messages are converted into DALI instructions;
DALI instructions are sent to DALI controllers so that the DALI controllers are performed according to DALI instructions Corresponding action.
Fig. 2 is referred to, the image relation of default BACnet/IP-DALI object properties is specifically included:
The addresses of the AI attributes correspondence DALI from controller of BACnet agreements, present Value Types are real, correspondence DALI Brightness value;
The addresses of the BI attributes correspondence DALI from controller of BACnet agreements, present Value Types are Boolean type, corresponding The switch attribute of DALI.
The image relation of default BACnet/IP-DALI object properties also includes:
The MI attributes of BACnet agreements and the light fixture group address of DALI object properties and the control of brightness.
The image relation of BACnet/IP-DALI object properties in fact refers to, setting BACnet protocol services primitive with The corresponding relation of DALI objects and DALI attributes, DALI objects can be light fixture, motor, switch etc., and DALI attributes can be Switch and brightness, the switch of motor and rotating speed of light fixture etc..
It should be noted that the embodiment of the present invention according to the image of default BACnet/IP-DALI object properties by closing System by the BACnet messages be converted into DALI instruction realize BACnet messages be converted into DALI instruction so that BACnet equipment Can communicate with DALI systems locking equipment, solve the skill that the equipment of DALI systems mounting cannot be accessed by BACnet equipment Art problem.
It is more than to a kind of one embodiment of BACnet/IP-DALI gateway communication methods provided in an embodiment of the present invention It is described in detail, below by a kind of the another of BACnet/IP-DALI gateway communication methods provided in an embodiment of the present invention Individual embodiment is described in detail.
Refer to Fig. 3, a kind of another reality of BACnet/IP-DALI gateway communication methods provided in an embodiment of the present invention Example is applied, including:
201:By the parameter initialization of the BACnet/IP-DALI gateways.
202:Whether the data that detection is received are BACnet messages, if so, then according to default BACnet/IP-DALI The BACnet messages are converted into DALI instructions by the image relation of object properties, if it is not, then sending reception false alarm.
203:Detect whether the DALI instruction formats are correct, if so, then by DALI instruction transmissions to DALI controls Device so that the DALI controllers perform corresponding action according to DALI instructions, if it is not, then sending format error warning.
204:Receive the DALI information of DALI controllers return and by the DALI feedback of the information to host computer.
The image relation of default BACnet/IP-DALI object properties is specifically included:
The addresses of the AI attributes correspondence DALI from controller of BACnet agreements, present Value Types are real, correspondence DALI Brightness value;
The addresses of the BI attributes correspondence DALI from controller of BACnet agreements, present Value Types are Boolean type, corresponding The switch attribute of DALI.
The image relation of default BACnet/IP-DALI object properties also includes:
The MI attributes of BACnet agreements and the light fixture group address of DALI object properties and the control of brightness.
It is more than another enforcement to a kind of BACnet/IP-DALI gateway communication methods provided in an embodiment of the present invention Example is described in detail, below by a kind of one embodiment of BACnet/IP-DALI gateways provided in an embodiment of the present invention It is described in detail.
Refer to Fig. 4, a kind of BACnet/IP-DALI gateways provided in an embodiment of the present invention, based on above-mentioned one kind BACnet/IP-DALI gateway communication methods are communicated, including:BACnet communication ports, industrial control mainboard, DALI communication ports;
BACnet communication ports connect industrial control mainboard, for reception to be from the BACnet messages of host computer and sends to industry control master Plate;
Industrial control mainboard connects DALI communication ports, for according to the image relation of default BACnet/IP-DALI object properties BACnet messages are converted into into DALI instructions and DALI instructions are sent to DALI communication ports;
DALI communication ports, for DALI instructions to be sent to DALI controllers so that DALI controllers are instructed according to DALI Perform corresponding action.
Industrial control mainboard includes com interface, processor;
One end connection processor of com interface, other end connection BACnet communication ports or DALI communication ports, are used for into line number According to transmission;
Industrial control mainboard also includes USB interface;
One end connection processor of USB interface, other end connection PC, for receiving the debug command from PC, makes Obtain processor and BACnet/IP-DALI agreements are migrated to by industrial control mainboard according to debug command.
DALI communication ports are specifically for DALI instructions are sent to DALI master controllers so that DALI master controllers are by DALI Instruction is converted into DALI and encodes and send to DALI from controller, and the DALI coding and decodings for receiving are by DALI from controller Pwm signal is simultaneously sent to LED drive module and then is controlled light power by pwm signal.
It should be noted that BACnet communication ports and DALI communication ports are in fact RS485 serial ports or RS232 serial ports. The com interface of industrial control mainboard can connect BACnet communication ports and DALI communication ports, it is also possible to be exactly directly BACnet communication ports With DALI communication ports.
It is more than that a kind of one embodiment of BACnet/IP-DALI gateways provided in an embodiment of the present invention is carried out in detail Description, an a kind of application examples of BACnet/IP-DALI gateway communication methods provided in an embodiment of the present invention will be entered below The detailed description of row.
Refer to Fig. 5, an a kind of application of BACnet/IP-DALI gateway communication methods provided in an embodiment of the present invention Example, including:
By parameter initializations such as gateway serial ports;
The image relation of gateway BACnet/IP-DALI object properties is set;
Interrupt latency, if having message, if it is not, then report an error and terminate this communication, if so, then call function, message Switch to correspondence dali instructions;
Dali instructions are sent by serial ports, whether detection instruction format is correct, if it is not, then report an error and terminate this communicate, If so, then dali instructions are switched to into corresponding dali to encode;
Dali information is switched to into Serial Port Information;
Status information feedback is returned into host computer.
The gateway that the present invention is provided first resolution protocol transfer problem, BACnet as open agreement, the inside it is right As attribute is various, and the attribute of DALI illuminator objects is it will be apparent that including switch lamp, brightness regulation, group control with And scenery control.
Main platform is VS2010 in Software for Design, in the program of design, it should be noted that the definition sum between agreement According to the conversion between form, control DALI intelligent illuminating systems are finally realized.
Fig. 2 is referred to, with regard to the image relation of BACnet/IP-DALI object properties, the BACnet agreements that we to be used Service primitive mainly reads attribute and writes attribute, AI (analog input) in BACnet protocol object attributes, and we are write calling When service, the instance number selected in AI attributes can correspond to addresses 0~63 of the DALI from controller, present value classes Type is real, the 0-fe of brightness value of correspondence DALI.
Addresses 0~63 of the DALI from controller can be corresponded in BI (digital quantity input) attribute, present Value Types are Boolean type, the switch attribute of correspondence DALI.MI (multimode input) can select the control of light fixture group address and brightness.These can Realized with the software inside BACnet protocol stacks.
It is more than an application examples to a kind of BACnet/IP-DALI gateway communication methods provided in an embodiment of the present invention It is described in detail, an a kind of application examples of BACnet/IP-DALI gateways provided in an embodiment of the present invention will be entered below The detailed description of row.
Refer to Fig. 6, an a kind of application examples of BACnet/IP-DALI gateways provided in an embodiment of the present invention, including BACnet communication ports, industrial control computer mainboard, DALI communication ports;
Mainly carrier (2) is done using the industrial control mainboard of a N26, BACnet/IP-DALI agreements have been debugged into shifting in pc machines In planting industrial control mainboard, onboard 6 USB2.0 interfaces, 6 com interfaces, COM2 supports 485/232 to transmit, at 1.66GHZ double-cores Reason device, low in energy consumption, powerful has substantially met the realization of the basic function of BACnet gateways.Left module BACnet is communicated Mouth (1) is actually also a rs232 serial ports, and from host computer receiving data, BACnet gateways (industrial control mainboard) are related message Finish message passes to DALI master controllers into DALI instructions by RS485 serial ports (3), and DALI master controllers are converted to instruction DALI is encoded, and is transmitted in DALI buses, and corresponding DALI is received after instruction from controller, is PWM letters by DALI instruction decodings Number it is sent to LED and drives and then carry out the strong and weak control of light.
The present invention develops the on-chip system similar to the neuron chip in lonworks technologies, develop one it is small-sized Controller gateway, tentatively realizes the communication of both sides, the thing of DALI illuminators can be easily embedded in the base for comparing main flow In the building control system the inside of BACnet/IP, the illumination supervision of more hommization, energy-saving is realized.
Those skilled in the art can be understood that, for convenience and simplicity of description, the system of foregoing description, The specific work process of device and unit, may be referred to the corresponding process in preceding method embodiment, will not be described here.
The above, above example only to illustrate technical scheme, rather than a limitation;Although with reference to front State embodiment to be described in detail the present invention, it will be understood by those within the art that:It still can be to front State the technical scheme described in each embodiment to modify, or equivalent is carried out to which part technical characteristic;And these Modification is replaced, and does not make the spirit and scope of the essence disengaging various embodiments of the present invention technical scheme of appropriate technical solution.

Claims (10)

1. a kind of BACnet/IP-DALI gateway communication methods, it is characterised in that include:
BACnet messages are received, and is reported the BACnet according to the image relation of default BACnet/IP-DALI object properties Text is converted into DALI instructions;
DALI instructions are sent to DALI controllers so that the DALI controllers perform corresponding according to DALI instructions Action.
2. a kind of BACnet/IP-DALI gateway communication methods according to claim 1, it is characterised in that described default The image relation of BACnet/IP-DALI object properties is specifically included:
The addresses of the AI attributes correspondence DALI from controller of BACnet agreements, present Value Types are real, and correspondence DALI's is bright Angle value;
The addresses of the BI attributes correspondence DALI from controller of BACnet agreements, present Value Types are Boolean type, correspondence DALI's Switch attribute.
3. a kind of BACnet/IP-DALI gateway communication methods according to claim 2, it is characterised in that described default The image relation of BACnet/IP-DALI object properties also includes:
The MI attributes of BACnet agreements and the light fixture group address of DALI object properties and the control of brightness.
4. a kind of BACnet/IP-DALI gateway communication methods according to claim 1, it is characterised in that the reception Also include before BACnet messages:
By the parameter initialization of the BACnet/IP-DALI gateways.
5. a kind of BACnet/IP-DALI gateway communication methods according to claim 1, it is characterised in that the reception BACnet messages are simultaneously converted into the BACnet messages according to the image relation of default BACnet/IP-DALI object properties DALI instructions are specifically included:
Whether the data that detection is received are BACnet messages, if so, then according to default BACnet/IP-DALI object properties Image relation by the BACnet messages be converted into DALI instruction, if it is not, then sending reception false alarm.
6. a kind of BACnet/IP-DALI gateway communication methods according to claim 1, it is characterised in that it is described will be described DALI instructions send to DALI controllers and specifically include:
Detect whether the DALI instruction formats are correct, if so, then by DALI instruction transmissions to DALI controllers, if it is not, Then send format error warning.
7. a kind of BACnet/IP-DALI gateway communication methods according to claim 1, it is characterised in that it is described will be described DALI instructions are sent to DALI controllers so that the DALI controllers are performed after corresponding action according to DALI instructions Also include:
Receive the DALI information of DALI controllers return and by the DALI feedback of the information to host computer.
8. a kind of BACnet/IP-DALI gateways, based on a kind of BACnet/IP- as claimed in any of claims 1 to 7 in one of claims DALI gateway communication methods are communicated, it is characterised in that included:BACnet communication ports, industrial control mainboard, DALI communication ports;
The BACnet communication ports connect the industrial control mainboard, for reception to be from the BACnet messages of host computer and sends to work Control mainboard;
The industrial control mainboard connects the DALI communication ports, for according to the image of default BACnet/IP-DALI object properties The BACnet messages are converted into DALI instructions and DALI instructions are sent to DALI communication ports by relation;
The DALI communication ports, for by the DALI instruction send to DALI controllers so that the DALI controllers according to The DALI instructions perform corresponding action.
9. a kind of BACnet/IP-DALI gateways according to claim 7, it is characterised in that the industrial control mainboard includes Com interface, processor;
One end of the com interface connects the processor, and the other end connects the BACnet communication ports or DALI communication ports, uses In carrying out data transmission;
The industrial control mainboard also includes USB interface;
One end of the USB interface connects the processor, and other end connection PC, the debugging for receiving from PC is ordered Order so that BACnet/IP-DALI agreements are migrated to the industrial control mainboard by the processor according to the debug command.
10. a kind of BACnet/IP-DALI gateways according to claim 7, it is characterised in that the DALI communication ports tool Body is used to DALI instructions are sent to DALI master controllers so that the DALI master controllers change DALI instructions Encode into DALI and send to DALI from controller, the DALI coding and decodings for receiving are by the DALI from controller The pwm signal is simultaneously sent to LED drive module and then is controlled light power by pwm signal.
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贾小芙: "BACnet与KNX映射的实现", 《中国优秀硕士学位论文全文数据库 (信息科技辑)》 *

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