CN201413474Y - Building control system based on CAN bus - Google Patents
Building control system based on CAN bus Download PDFInfo
- Publication number
- CN201413474Y CN201413474Y CN2009200819154U CN200920081915U CN201413474Y CN 201413474 Y CN201413474 Y CN 201413474Y CN 2009200819154 U CN2009200819154 U CN 2009200819154U CN 200920081915 U CN200920081915 U CN 200920081915U CN 201413474 Y CN201413474 Y CN 201413474Y
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- China
- Prior art keywords
- central server
- control system
- building control
- field controller
- communication
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a building control system used for controlling various devices in an intelligent building. Communication cards based on a CAN (controller area network) protocol are installed in a local controller and a central server respectively; and the local controller is connected and communicated with the central server through the two communication cards.
Description
Affiliated technical field
The utility model relates to a kind of building control system that is used to control various device in the intelligent construction.
Background technology
At present, known building control system is to be connected to form by field controller, central server, operator station and engineer station.Communication card based on the MODBUS agreement is respectively arranged in field controller and the central server, and field controller is connected with central server by these two communication cards based on the MODBUS agreement and communicates.But the main website that is based on the MODBUS agreement adopts the mode and the slave station of poll to communicate, and the real-time of communication is relatively poor; Transmission range is shorter, can not be above 1200 meters; Make its application be restricted in some occasion.
Summary of the invention
In order to overcome the deficiency of existing building control system real-time communication and transmission range aspect, the utility model provides a kind of building control system, and this system can solve the real-time of communication and the problem of transmission range aspect.
The technical scheme that its technical matters that solves the utility model adopts is: a communication card based on the CAN agreement respectively is installed in controller and the central server at the scene, and field controller is connected with central server by these two communication cards and communicates.Communicate because of the communication card based on the CAN agreement adopts the mode of interrupting, the real-time of communication is better, and transmission range also increases to 10 kms.
The beneficial effects of the utility model are the real-time communications that greatly strengthened the building control system, have increased the transmission range of building control system communication, have enlarged the physics range of control of system.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Accompanying drawing is a system layout of the present utility model.
1. operator stations among the figure, 2. engineer station, 3. Ethernet switch, 4. central server, 5.PCI-CAN integrated circuit board, 6.CAN communication card, 7. field controller.
Embodiment
A CAN communication card (6) is installed in the controller (7) at the scene, a PCI-CAN integrated circuit board (5) is installed in the central server (4), field controller (7) is connected with central server (4) by these two communication cards (5), (6) and communicates.Field controller (7) receives the detection signal from on-site detecting device, and by CAN communication card (6), PCI-CAN integrated circuit board (5) these signals are transferred in the central server (4), central server (4) is transferred to these signals among operator station (1) and the engineer station (2) by Ethernet switch (3); Central server (4) receives the control signal with engineer station (2) from operator station (1), and by PCI-CAN integrated circuit board (5), CAN communication card (6) these signals are transferred in the field controller (7), field controller (7) sends control signal to on-the-spot actuating unit; Field controller (7) also directly sends control signal to on-the-spot actuating unit according to the on-the-spot detection signal that receives simultaneously.
Claims (2)
1, a kind of building control system, in system, field controller, central server, operator station and engineer station are linked in sequence, and it is characterized in that: a communication card based on the CAN agreement is respectively arranged in field controller and the central server.
2, building control system according to claim 1 is characterized in that: field controller is connected with central server by above-mentioned two communication cards based on the CAN agreement and communicates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200819154U CN201413474Y (en) | 2009-06-19 | 2009-06-19 | Building control system based on CAN bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200819154U CN201413474Y (en) | 2009-06-19 | 2009-06-19 | Building control system based on CAN bus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201413474Y true CN201413474Y (en) | 2010-02-24 |
Family
ID=41715356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200819154U Expired - Fee Related CN201413474Y (en) | 2009-06-19 | 2009-06-19 | Building control system based on CAN bus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201413474Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102866693A (en) * | 2012-09-20 | 2013-01-09 | 杭州沃顿自动化有限公司 | Intelligent building control system based on Ethernet |
-
2009
- 2009-06-19 CN CN2009200819154U patent/CN201413474Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102866693A (en) * | 2012-09-20 | 2013-01-09 | 杭州沃顿自动化有限公司 | Intelligent building control system based on Ethernet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Liu Peifeng Document name: Notification of Termination of Patent Right |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100224 Termination date: 20130619 |