CN103388870A - Central air conditioner control method and device based on BACnet object ID - Google Patents
Central air conditioner control method and device based on BACnet object ID Download PDFInfo
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- 238000004891 communication Methods 0.000 claims abstract description 13
- 238000004378 air conditioning Methods 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 238000013461 design Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
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Abstract
The invention relates to a central air-conditioning control method based on a BACnet object ID, which defines the BACnet object ID, carries out communication information transmission among devices based on a BACnet protocol through a BACnet gateway, embodies the BACnet object ID in a communication message of the information transmission, and judges the state of a controlled device after comparing binary codes of each section of the ID with the form of the defined BACnet object ID. Also relates to a central air-conditioning control device using the control method. Through further definition of the instance number part of the BACnet object ID, the specific identity information of the equipment is reflected, the communication between a plurality of equipment and the control center can be switched by one BACnet gateway, the gateway cost is saved, and the engineering wiring is simplified.
Description
Technical field
The present invention relates to the Intelligent building control system field, particularly relate to central air-conditioner control method and device based on the BACnet object ID.
Background technology
Central air conditioner system, elevator monitoring system, illuminator, transformation and distribution system, fire fighting monitoring, safety monitoring etc. are in employing BACnet agreement is carried out integrated Intelligent Building System, and each independent product has the BACnet protocol interface of oneself to be used for this Intelligent Building System of access in theory.But generally, a lot of products do not consider in the design phase problem that building are integrated, in case this demand is arranged, common way increases a BACnet gateway exactly, be equivalent to a router, be used for original product is processed switching, thereby the BACnet protocol interface is provided, and often have the demand that a plurality of similar and similar products are transferred by same BACnet gateway simultaneously.For example, the multi-joint unit of central air-conditioning, and a cover unit has a plurality of indoor sets and a plurality of off-premises station, the equipment of BACnet gateway switching is also often many cover units.So just have the problem of a BACnet object definition, by original way, all BACnet objects in the BACnet gateway all belong to same product, do not comprise by the specifying information of control products.Like this,, by BACnet gateway a plurality of equipment of transferring simultaneously, be difficult to distinguish the control object and belong to which kind equipment, unclear when integrated what read or revise is the parameter of what equipment making, and cannot reach integrated purpose.
Summary of the invention
The present invention is directed to above-mentioned the deficiencies in the prior art, a kind of central air-conditioner control method based on the BACnet object ID of reasonable in design and handling safety is provided, and the central air-conditioning control device that uses this control method.
The present invention realizes that the technical scheme that above-mentioned purpose adopts is: a kind of central air-conditioner control method based on the BACnet object ID, be used for controlling the central air conditioner system of setting up communication network based on the BACnet agreement, and comprise the following steps:
The form of S1, definition BACnet object ID;
The relevant parameter of each equipment in S2, the described central air conditioner system of statistics, and make described BACnet object ID corresponding one by one with described relevant parameter;
The control centre of S3, described equipment and described central air conditioner system is by the switching of BACnet gateway, and each equipment in described central air conditioner system is accessed or controlled to the corresponding described BACnet object ID of the control centre of described central air conditioner system relevant parameter according to each; Carry out the communication information transmission by described BACnet gateway between described equipment simultaneously, embody the object ID of BACnet in the communication packet that described information is transmitted.
More preferably, as a kind of embodiment, the form of described BACnet object ID comprises five sections, is respectively object number section, device numbering section, device type section, type series section and object type section.
More preferably, as a kind of embodiment, 5～0 of the object number Duan Weidi of described BACnet object ID, 16～6 of described device numbering Duan Weidi, 18～17 of described device type Duan Weidi, described type series section are 31～22 of the 21st～19, described object type Duan Weidi.
More preferably, as a kind of embodiment, described object type section is be used to the data type that represents described relevant parameter;
Described type series section represents the type of the air-conditioning unit in described central air conditioner system;
Described device type section represents the type of equipment included in described central air conditioner system;
Described device numbering section represents the numbering of a plurality of equipment of the same type in described central air conditioner system;
Described object number section represents the difference numbering of the same target type parameter in described central air conditioner system.More preferably, as a kind of embodiment, described object number is used for making the corresponding described relevant parameter of described BACnet object ID with the common representative of described object type section.
More preferably, as a kind of embodiment, the type of the described air-conditioning unit of described type series section representative comprises: multi-connected machine, centrifugal chiller, screw rod unit;
The type of the described equipment of described device type section representative comprises: gateway itself, interior machine, outer machine, and expansion equipment.
More preferably, as a kind of embodiment, the quantity of described BACnet gateway is one.
The present invention also provides a kind of central air-conditioning control device that uses above-mentioned any one control method.
Beneficial effect of the present invention is: the thought that the present invention is directed to the BACnet agreement, the corresponding BACnet protocol interface of equipment, in the practical application of combined air conditioners unit, because relating to a plurality of equipment, do further definition by the instance number to the BACnet object, make it the identity information of embodiment device, thereby realize by the many covers of a protocol interface (BACnet gateway) switching combined air conditioners unit, save the gateway cost, simplify the engineering wiring.
By this processing, generator set controller need not be developed the BACnet interface again, logic control that can the special disposal unit, and the BACnet interface is by the processing of transferring of BACnet gateway, for the occasion that does not need the BACnet interface, unit can not saved cost because of standard configuration BACnet interface yet.
By this processing, a cover multi-connected machine system, comprise a plurality of interior machines and outer machine module, can not splitted into a plurality of BACnet equipment, kept the organism of a holonomic system.
Description of drawings
, in order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the central air-conditioner control method based on the BACnet object ID of the present invention is further elaborated.
Fig. 1 is the network of one embodiment of the invention;
Wherein:
1 First off-premises station; 2 second off-premises stations; 11 First indoor sets; 12 second indoor sets,
21 the 3rd indoor sets; 22 the 4th indoor sets.
The specific embodiment
As shown in Figure 1, communicating by letter between the indoor set of the multi-joint unit of central air-conditioning and outdoor and control centre transferred by the BACnet gateway, two of off-premises stations are arranged in network, be respectively off-premises station 1 and off-premises station 2, indoor set has four, be respectively indoor set 11, indoor set 12, indoor set 21 and indoor set 22, wherein the off-premises station of indoor set 11 and indoor set 12 is off-premises station 1; The off-premises station of indoor set 21 and indoor set 22 is off-premises station 2.
Internetwork connection mode is: the communications portion access in parallel BACnet gateway of each off-premises station of the communications portion of each indoor set and correspondence, described gateway access control center, carry out the data transmission by BACnet protocol interface and indoor set and off-premises station, adopt the BACnet of 32 of binary numbers, at first the instance number of BACnet object is done further definition, the BACnet object ID is divided into five sections in the combined air conditioners unit, be respectively object number section, device numbering section, device type section, type series section and object type section.As shown in the table:
Wherein, the binary number of defining objects type section is 10, and the binary number of definition type series section is 3, and the binary number of define equipment type section is 2, and the binary number of define equipment numbering section is 11, and the binary number of defining objects numbering section is 6.
The segmentation definition of BACnet object ID in multi-connected machine is as follows:
5～0 of Duan Weidi of defining objects numbering, define equipment numbering 16～6 of Duan Weidi, 18～17 of define equipment type Duan Weidi, described type series section are 31～22 of the 21st～19, described object type Duan Weidi.
The object of each section representative is as shown in the table:
Described object number section 1 represents the difference numbering of the same target type parameter in central air conditioner system.As AI and 1 common expression the first analog quantity, AI and 2 expression the second analog quantitys.
Described device numbering section 2 represents the numbering of a plurality of equipment of the same device type in central air conditioner system.If any a plurality of indoor sets, device type is all 01, and each indoor set has unique device numbering, is used for representing which indoor set it is.
Described device type section 3 represents gateway itself, indoor set, off-premises station in central air conditioner system, and other expansion equipments.Wherein, itself is defined as 00 gateway, and indoor set is defined as 01, and off-premises station is defined as 10.
Described type series section 4 represents the machine set type of central air conditioner system, as multi-joint unit, centrifugal chiller, screw rod unit etc.Wherein, the multi-joint unit of definition is 0.
Described object type section 5 represents the data types such as analog quantity in central air conditioner system and switching value, as AI(, represents analog quantity), BI(represents switching value) etc., consider that this object is generally variable, therefore this object type is defined by agreement itself.The indoor set parameter comprises indoor environment temperature, design temperature, interior machine operational mode, the setting of interior machine operational mode, ON/OFF (state) and ON/OFF (control).
The off-premises station parameter: outdoor environment temperature, two parameters of compressor, wherein compressor represents the start-stop of compressor.
The parameter of each indoor set and off-premises station and corresponding BACnet object ID thereof, the different parameters of same indoor set or off-premises station is distinguished by the 31st～22 object type and the 5th～0 object number.Below as an example of indoor set example explanation one step of BACnet object ID of giving a definition.
Give the parameter-definition object ID: according to the characteristics of parameter, determine 31-22 position object type, allow the 21-19 position be 0, the 18-17 position is 1, the 16-6 position is interior plane No., and 0-63 can be got in the 5-0 position, and different parameters can be got same value, if but object type is the same, this part necessarily can not be the same.
Following table is a kind of definition result wherein, and in the definition of above-mentioned BACnet object ID, except the 5-0 position, other parts are all determined.
The information that communication between the equipment based on the BACnet agreement is transmitted all is based on the BACnet object, generally all can embody the object ID of BACnet in communication packet, for example, be the information of indoor set, off-premises station or other equipment by what read that the 18th, 17 of this object ID just can know this BACnet object transfer, then the 16-6 position of reading object ID just can know it is which indoor set or which off-premises station etc.
In the time will controlling or inquire about the numerical value of certain object, then allow the 18th, 17 to be corresponding device type, the 16-6 position is the device numbering under this device type.As while inquiring about the information of the 100th interior machine, allow the 18th, 17 for binary number 01, the 16-6 position, to be binary number 00001100100, namely decimal number 100.
, based on above-mentioned BACnet object and the corresponding method of unit equipment, can distinguish equipment dissimilar in center system, as indoor set, off-premises station or other peripheral hardwares.The concrete equipment of each under same device type has unique numbering, the indication equipment identity information, even their parameter information is all the same, as long as they have the numbering of mutual differentiation, their object ID is all different.After carrying out exchanges data by BACnet protocol interface and control centre, control centre is information, the state of a plurality of indoor sets, off-premises station and other peripheral hardwares of this BACnet gateway connection clearly.So based on this method, the multi-joint unit of the many covers of BACnet gateway switching is feasible.
When the external publish information of BACnet gateway, can embody object ID in publish information, just can calculate the status information of each controlled device from object ID.Be 131137 as having got object ID the information from announcing, binary number is 00000000000000100000000001000001, and wherein the 21-19 position is 000, represents multi-joint unit; The 18-17 position is 01, and representative is indoor set; 16-6 position 00000000001, what represent indoor set is numbered 1; The 31-22 position is 0000000000, represents AI, the 5-0 position be 000001 and the AI of front represent together indoor environment temperature in indoor set.
If inquiry and while controlling the parameter of relevant device is obtained BACnet object ID corresponding to this parameter by top definition list, and is carried out accessing operation and just can realize.Access different indoor set or off-premises station, by the value that changes the 16-6 position, just can realize; Access indoor set or off-premises station, just can select by the value that changes the 18-17 position.Thereby can realize accurate access and operation to certain particular device.
A kind of control device of central air-conditioning based on the BACnet object ID, the central air-conditioner control method based on the BACnet object ID and embodiment one that it adopts are identical, repeat no more herein.
By the further definition of the instance number to BACnet object ID part, make it the concrete identity information of embodiment device, can realize communicating by letter of gateway switching multiple devices and control centre, save the gateway cost, simplify engineering and connect up.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.Should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (8)
1. the central air-conditioner control method based on the BACnet object ID, be used for controlling the central air conditioner system of setting up communication network based on the BACnet agreement; It is characterized in that, comprise the following steps:
The form of S1, definition BACnet object ID;
The relevant parameter of each equipment in S2, the described central air conditioner system of statistics, and make described BACnet object ID corresponding one by one with described relevant parameter;
The control centre of S3, described equipment and described central air conditioner system is by the switching of BACnet gateway, and each equipment in described central air conditioner system is accessed or controlled to the corresponding described BACnet object ID of the control centre of described central air conditioner system relevant parameter according to each; Carry out the communication information transmission by described BACnet gateway between described equipment simultaneously, embody the object ID of BACnet in the communication packet that described information is transmitted.
2. central air-conditioner control method according to claim 1 is characterized in that:
The form of described BACnet object ID comprises five sections, is respectively object number section, device numbering section, device type section, type series section and object type section.
3. central air-conditioner control method according to claim 2 is characterized in that:
5～0 of the object number Duan Weidi of described BACnet object ID, 16～6 of described device numbering Duan Weidi, 18～17 of described device type Duan Weidi, described type series section are 31～22 of the 21st～19, described object type Duan Weidi.
4. according to claim 2 or 3 described central air-conditioner control methods is characterized in that:
Described object type section is be used to the data type that represents described relevant parameter;
Described type series section represents the type of the air-conditioning unit in described central air conditioner system;
Described device type section represents the type of equipment included in described central air conditioner system;
Described device numbering section represents the numbering of a plurality of equipment of the same type in described central air conditioner system; Described object number section represents the difference numbering of the same target type parameter in described central air conditioner system.
5. central air-conditioner control method according to claim 4 is characterized in that:
Described object number is used for making the corresponding described relevant parameter of described BACnet object ID with the common representative of described object type section.
6. central air-conditioner control method according to claim 4 is characterized in that:
The type of the described air-conditioning unit of described type series section representative comprises: multi-connected machine, centrifugal chiller, screw rod unit;
The type of the described equipment of described device type section representative comprises: gateway itself, interior machine, outer machine, and expansion equipment.
7. according to claim 1-6 described central air-conditioner control methods of any one, it is characterized in that: the quantity of described BACnet gateway is one.
8. the control device based on the central air-conditioning of BACnet object ID, comprise recognition unit, it is characterized in that:
Right to use requires the described central air-conditioner control method based on the BACnet object ID of 1-7 any one.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104699015A (en) * | 2013-12-06 | 2015-06-10 | 珠海格力电器股份有限公司 | Air conditioner monitoring system based on distributed power generation and air conditioner system applying same |
| CN104867064A (en) * | 2015-05-18 | 2015-08-26 | 广东美的暖通设备有限公司 | Air conditioner naming method and apparatus |
| CN105318488A (en) * | 2014-06-24 | 2016-02-10 | 松下电器产业株式会社 | Pipeline type air-conditioner and control method thereof |
| CN106790282A (en) * | 2017-02-24 | 2017-05-31 | 珠海格力电器股份有限公司 | Protocol conversion method and device and air conditioning system |
| CN106949682A (en) * | 2017-04-12 | 2017-07-14 | 广东芬尼克兹节能设备有限公司 | The control method and device of heat pump |
| CN109654671A (en) * | 2018-12-29 | 2019-04-19 | 北京合创三众能源科技股份有限公司 | Air-conditioning system data transmission method, controller and air-conditioning system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1188267A (en) * | 1996-11-29 | 1998-07-22 | 松下电工株式会社 | Building automation system |
| US20030067889A1 (en) * | 1998-06-22 | 2003-04-10 | Petite Thomas D. | System and method for monitoring and controlling remote devices |
| JP2004046812A (en) * | 2002-05-21 | 2004-02-12 | Daikin Ind Ltd | Equipment controller, and equipment management system |
| CN201081365Y (en) * | 2007-03-30 | 2008-07-02 | 珠海优华节能技术有限公司 | Power-saving operation control system for central air conditioning system in hotel with intelligent information management function |
| CN101242303A (en) * | 2007-02-08 | 2008-08-13 | Lg电子株式会社 | Building management system and method |
| CN102043397A (en) * | 2009-10-21 | 2011-05-04 | 同方泰德国际科技(北京)有限公司 | Network communication method for building automation system |
-
2012
- 2012-05-08 CN CN201210140279.4A patent/CN103388870B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1188267A (en) * | 1996-11-29 | 1998-07-22 | 松下电工株式会社 | Building automation system |
| US20030067889A1 (en) * | 1998-06-22 | 2003-04-10 | Petite Thomas D. | System and method for monitoring and controlling remote devices |
| JP2004046812A (en) * | 2002-05-21 | 2004-02-12 | Daikin Ind Ltd | Equipment controller, and equipment management system |
| CN101242303A (en) * | 2007-02-08 | 2008-08-13 | Lg电子株式会社 | Building management system and method |
| CN201081365Y (en) * | 2007-03-30 | 2008-07-02 | 珠海优华节能技术有限公司 | Power-saving operation control system for central air conditioning system in hotel with intelligent information management function |
| CN102043397A (en) * | 2009-10-21 | 2011-05-04 | 同方泰德国际科技(北京)有限公司 | Network communication method for building automation system |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104699015A (en) * | 2013-12-06 | 2015-06-10 | 珠海格力电器股份有限公司 | Air conditioner monitoring system based on distributed power generation and air conditioner system applying same |
| US10088187B2 (en) | 2013-12-06 | 2018-10-02 | Gree Electric Appliances, Inc. Of Zhuhai | Monitoring system for air conditioning systems based on distributed power generation and air conditioning system using same |
| CN105318488A (en) * | 2014-06-24 | 2016-02-10 | 松下电器产业株式会社 | Pipeline type air-conditioner and control method thereof |
| CN104867064A (en) * | 2015-05-18 | 2015-08-26 | 广东美的暖通设备有限公司 | Air conditioner naming method and apparatus |
| CN106790282A (en) * | 2017-02-24 | 2017-05-31 | 珠海格力电器股份有限公司 | Protocol conversion method and device and air conditioning system |
| CN106949682A (en) * | 2017-04-12 | 2017-07-14 | 广东芬尼克兹节能设备有限公司 | The control method and device of heat pump |
| CN106949682B (en) * | 2017-04-12 | 2020-05-12 | 广东芬尼克兹节能设备有限公司 | Control method and device of heat pump system |
| CN109654671A (en) * | 2018-12-29 | 2019-04-19 | 北京合创三众能源科技股份有限公司 | Air-conditioning system data transmission method, controller and air-conditioning system |
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| CN103388870B (en) | 2015-08-26 |
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