CN201845225U - Building controller based on 32-bit ARM (Advanced RISC Machine) processor - Google Patents
Building controller based on 32-bit ARM (Advanced RISC Machine) processor Download PDFInfo
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- CN201845225U CN201845225U CN2010205821276U CN201020582127U CN201845225U CN 201845225 U CN201845225 U CN 201845225U CN 2010205821276 U CN2010205821276 U CN 2010205821276U CN 201020582127 U CN201020582127 U CN 201020582127U CN 201845225 U CN201845225 U CN 201845225U
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Abstract
The utility model discloses a building controller based on a 32-bit ARM (Advanced RISC Machine) processor. The 32-bit ARM processor is connected with an FLASH memory circuit, an SDRAM (synchronous dynamic random access memory) circuit, an RS485 serial communication interface, a CAN bus interface, an Ethernet interface, a USB (universal serial bus) port, an analog quantity input circuit, an analog quantity output circuit, a digital quantity input circuit, a digital quantity output circuit and a display circuit respectively. The utility model has the benefits as follows: 1, the performances are high, the power consumption is low, the real-time performance is good, and reliability and stability are achieved; 2, the storage space is large, and mass history data can be stored; 3, Ethernet communication is supported, the data transmission is quick and reliable, and network synergistic control of a large-scale complicate building system is realized; 4, a friendly man-machine interaction interface, and the functions of remote monitoring of the start/stop state of building equipment, parameter setting and failure alarming are achieved; and 5, the data export is convenient, and date can be directly export to a USB flash disk from the building controller.
Description
Technical field
The utility model relates to building controller, relates in particular to a kind of building controller that is core based on 32 ARM.
Background technology
In recent years, along with developing rapidly of building automatic technology and computer networking technology, the intelligent degree of building buildings improves constantly.Building controller is various status informations in a kind of real-time collection building system, handles by analysis, and the intelligent controller that the various electromechanical equipments in the building are monitored.By adopting building controller, help to improve the whole personality of building control system, reduce system energy consumption and equipment maintenance cost greatly, make system operate in good state, satisfy the requirement of user in the buildings.
At present, in the prevailing control system that remains based on 8 single-chip microcomputer designs of building control industry, mainly there is the following defective that is difficult to overcome in it: 1.8 single-chip microcomputer processing poweies are limited, can't realize complicated algorithm.And building system is a nonlinear and time-varying system with long time delay, adopts common control algolithm can't meet the demands at all, also can produce the problem of system stability aspect sometimes.2. communication modes is single, mainly is 485 communications.Adopt the mode of poll to carry out communication, the communication real-time is poor.3. memory space inadequate can only be preserved a spot of device history data.4. humiture is all distinguished independent control between air output and the resh air requirement.In the building system, the Temperature and Humidity Control loop influences each other between air output control loop and the resh air requirement control loop, connects each other, has coupling.Present single-chip computer control system is not all considered this coupling, causes single circuit controls performance to reach requirement, but the not good problem of integral working.
Summary of the invention
The purpose of this utility model is the many disadvantages that exists in the existing building control system in order to overcome, and a kind of building controller based on 32 arm processors is provided.
The utility model solves the problems of the technologies described above the technical scheme that is adopted:
Building controller based on 32 ARM is: 32 arm processors link to each other with display circuit with FLASH memory circuit, SDRAM memory circuit, RS485 serial communication interface, CAN bus interface, Ethernet interface, USB port, simulated measurement input circuit, analogue quantity output circuit, digital quantity input circuit, digital quantity output circuit respectively.
Described simulated measurement input circuit is 11 the tunnel, and analogue quantity output circuit is 4 the tunnel, and the digital quantity input circuit is 6 the tunnel, and digital quantity output circuit is 7 the tunnel.
The beneficial effect that the utility model compared with prior art has is: 1) high-performance, and low-power consumption, real-time is good, and is reliable and stable.2) storage space is big, can preserve a large amount of historical datas.3) support ethernet communication, the data transmission fast and reliable realizes the network cooperating control to large complicated building system.4) You Hao human-computer interaction interface, the start and stop of remote monitoring building equipment state, parameter setting and fault alarm.5) derived data is convenient, can directly the data slave controller be exported to USB flash disk.
Description of drawings
The circuit block diagram that it is the building controller of core that Fig. 1 is based on 32 ARM;
The software flow pattern that it is the building controller of core that Fig. 2 is based on 32 ARM.
Embodiment
As shown in Figure 1, the building controller based on 32 ARM is: 32 arm processors 1 link to each other with FLASH memory circuit 2, SDRAM memory circuit 3, RS485 serial communication interface 5, CAN bus interface 6, Ethernet interface 7, USB port 4, simulated measurement input circuit 8, analogue quantity output circuit 9, digital quantity input circuit 10, digital quantity output circuit 11 and display circuit 12 respectively.
Described simulated measurement input circuit 8 is 11 the tunnel, and analogue quantity output circuit 9 is 4 the tunnel, and digital quantity input circuit 10 is 6 the tunnel, and digital quantity output circuit 11 is 7 the tunnel.
ARM9 is low-power consumption, high performance microprocessor, and built-in Cache, dominant frequency reaches 200MHz.And the dominant frequency of general 8 single-chip microcomputers only is 8MHz, and performance difference is huge.Building controller based on 32 arm processors improves on performance greatly.
Memory circuit adopts the high capacity storage chip, comprises SDRAM memory circuit and FLASH memory circuit.Wherein FLASH belongs to nonvolatile memory, can permanent storage data, and storage space is big, makes system disk and uses.2 SDRAM chips of system extension, the 64M size is used as Installed System Memory altogether.
Communication modes comprises CAN bus interface 6, RS485 serial communication interface 5 and Ethernet interface 7.What the CAN bus communication adopted is interrupt mode, and the communication real-time is good, and transmission range is long, is used for the communication between controller and the module, gathers the information of remote equipment.And the RS485 communication modes is widely used in multiple building equipment, so controller system also comprises RS485 serial communication interface 5.Controller system is by Ethernet, and data transmission is arrived upper PC monitor supervision platform, and the transfer rate height is compatible good.The utilization ethernet communication can be realized transmission information between the controller, thereby each control loop in the building system is carried out Collaborative Control.What ethernet communication adopted is the TCP/IP communications protocol, favorable expandability.
Simulated measurement input circuit 8 can be accepted 4-20mA, 0-5V, and the analog signals of NTC, HNTC thermistor type through the high-speed a/d conversion, is connected to arm processor 1.The output area of analogue quantity output circuit is 0-10V.Digital quantity input circuit 10 is isolated through high speed photo coupling, is connected to processor, mainly gathers the building equipment state, and alerting signal and hand automatically switch.Digital quantity output circuit 11 electric shock capacity are 125V AC 12A, opertaing device start and stop and valve opening and closing.
In addition, display circuit 12 uses 7 cun very color LCD of TFT, and resolution reaches 800*480, and very friendly human-computer interaction interface is provided.System also provides a USB port 4, can be easily with the data importing in the USB flash disk in controller.
As shown in Figure 2, the utility model is transferred regional humiture value and gas concentration lwevel according to detected, and in conjunction with the information of whole building system, analytical calculation through 32 arm processors, various building equipments are carried out regulating and controlling, make and transferred the regional environment situation to satisfy the comfort level requirement of people in the zone, and allow the building system equipment operation, cut down the consumption of energy as far as possible in optimum condition.Building controller changes the resh air requirement of the system that enters by regulating new valve area, guarantees to provide good indoor air quality; By control cold/hot water valve and rotation speed of fan, regulate cold/heat of sending into the room, adjust indoor temperature.Controller also connects spray thrower, and humidity is controlled.When there was fault in building equipment, controller sent warning immediately, and carried out fault handling, closed Cold-hot water valve and new air returning valve.
Claims (2)
1. building controller based on 32 ARM, it is characterized in that: 32 arm processors (1) link to each other with FLASH memory circuit (2), SDRAM memory circuit (3), RS485 serial communication interface (5), CAN bus interface (6), Ethernet interface (7), USB port (4), simulated measurement input circuit (8), analogue quantity output circuit (9), digital quantity input circuit (10), digital quantity output circuit (11) and display circuit (12) respectively.
2. a kind of building controller according to claim 1 based on 32 ARM, it is characterized in that described simulated measurement input circuit (8) is 11 the tunnel, analogue quantity output circuit (9) is 4 the tunnel, digital quantity input circuit (10) is 6 the tunnel, and digital quantity output circuit (11) is 7 the tunnel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205821276U CN201845225U (en) | 2010-10-29 | 2010-10-29 | Building controller based on 32-bit ARM (Advanced RISC Machine) processor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205821276U CN201845225U (en) | 2010-10-29 | 2010-10-29 | Building controller based on 32-bit ARM (Advanced RISC Machine) processor |
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| Publication Number | Publication Date |
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| CN201845225U true CN201845225U (en) | 2011-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010205821276U Expired - Fee Related CN201845225U (en) | 2010-10-29 | 2010-10-29 | Building controller based on 32-bit ARM (Advanced RISC Machine) processor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102546821A (en) * | 2012-02-16 | 2012-07-04 | 北京优科利尔能源设备有限公司 | Remotely-upgraded controller area network (CAN) protocol converter |
| CN108490898A (en) * | 2018-03-19 | 2018-09-04 | 天筑科技股份有限公司 | Building Comprehensive Control general module and control system |
| CN115841128A (en) * | 2022-12-05 | 2023-03-24 | 北京计算机技术及应用研究所 | Four-channel electronic tag controller based on 485 bus |
-
2010
- 2010-10-29 CN CN2010205821276U patent/CN201845225U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102546821A (en) * | 2012-02-16 | 2012-07-04 | 北京优科利尔能源设备有限公司 | Remotely-upgraded controller area network (CAN) protocol converter |
| CN108490898A (en) * | 2018-03-19 | 2018-09-04 | 天筑科技股份有限公司 | Building Comprehensive Control general module and control system |
| CN115841128A (en) * | 2022-12-05 | 2023-03-24 | 北京计算机技术及应用研究所 | Four-channel electronic tag controller based on 485 bus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110525 Termination date: 20131029 |