CN202110423U - Expansion system based on microprocessor advanced reduced instruction set computer (RISC) machine (ARM) 7 for underground air conditioner controller - Google Patents
Expansion system based on microprocessor advanced reduced instruction set computer (RISC) machine (ARM) 7 for underground air conditioner controller Download PDFInfo
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- CN202110423U CN202110423U CN2011200917347U CN201120091734U CN202110423U CN 202110423 U CN202110423 U CN 202110423U CN 2011200917347 U CN2011200917347 U CN 2011200917347U CN 201120091734 U CN201120091734 U CN 201120091734U CN 202110423 U CN202110423 U CN 202110423U
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- interface circuit
- conditioner controller
- air
- arm7 microprocessor
- microprocessor
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Abstract
The utility model discloses an expansion system based on a microprocessor advanced reduced instruction set computer (RISC) machine (ARM) 7 for an underground air conditioner controller. The expansion system comprises a microprocessor ARM7, a controller area network (CAN) interface circuit connected with the microprocessor ARM7, an interface circuit RS232/RS485, an anti-interference circuit, a FLASH memory, a running indication module, a liquid crystal driving module, a power supply module and a touch screen connected with an access network (AN) interface circuit, wherein the microprocessor ARM7 is used for transmitting data from the air conditioner controller to the touch screen and displaying the data through the CAN interface circuit. The expansion system is provided with the touch screen, CAN communication is performed between the expansion system and the air conditioner controller, and a perfect human-computer interface is arranged in a product, so a maintenance worker can intuitively understand the running state and related fault information of each part in a current underground compartment. Moreover, the expansion system is simple to operate and convenient to maintain and can be widely applied to rail trains, underground trains, urban rail traffics and the fields of industrial control of automatic grouping.
Description
Technical field
The utility model relates to a kind of subway air-conditioner controller system, particularly a kind of expanding system of the controller hardware based on the ARM7 microprocessor.
Background technology
In recent years; The growth that has along with urban population; Track traffic is all greatly developed in many big cities; Track traffic requires the operation process must drop into a large amount of electric power equipment because of the uniqueness of himself, to realize Architectural Equipment and system's normal operations such as environment in the subway buildings and air conditionses.
Because the environment of subway is very special; The volume of the flow of passengers is very big, metro safety property, and comfortableness and stability are the most important performance assessment criteria to the metro operation situation; Therefore subway station is very high to the system requirements of artificial atmosphere; With regard to the solution of the more perfect subway air-conditioner control system of inevitable requirement, the real-time of subway air-conditioner control system is had relatively high expectations the air-conditioner controller that the industrial control field that can organize into groups automatically is used at present; The running status that can not show air-conditioning system in real time, inconvenient people grasp the running status and the dependent failure information of air-conditioning system in real time.The consistent refrigeration that is in of air-conditioner control system particularly; The duty of dehumidifier or humidification; Cause the subway air-conditioner control system to be in high energy consumption, the running status of high wearing and tearing increases the weight of the metro operation cost always; Energy dissipation is serious, and the regulation and control that can in time carry out air-conditioner control system seem particularly important.
The utility model content
The purpose of the utility model provides a kind of expanding system of the subway air-conditioner controller based on the ARM7 microprocessor, and the running status and the dependent failure information that solve the subway air-conditioner controller can not be by the technical matterss of real-time grasp; And how intuitively to solve, easily running state of air conditioner carried out Function detection and simulation, and the problem of the service data of register system.
For realizing above-mentioned purpose; The utility model adopts following technical scheme: a kind of expanding system of the subway air-conditioner controller based on the ARM7 microprocessor; Comprise ARM7 microprocessor, the CAN interface circuit that is connected with said ARM7 microprocessor, RS232/RS485 interface circuit, anti-jamming circuit, FLASH storer, operation indicating module, liquid crystal driver module, power module and the touch-screen that is connected with said CAN interface circuit, described ARM7 microprocessor will be sent to touch-screen from the data of air-conditioner controller through the CAN interface circuit and show.
Said ARM7 microprocessor is that the data of air-conditioner controller are sent to touch-screen through the CAN interface circuit and show.
Said CAN interface circuit be used for air-conditioner controller on the corresponding grafting of CAN interface, realize and this expanding system between data communication.
Said RS232/RS485 interface circuit be used for air-conditioner controller on the corresponding connection of RS232/RS485 interface, the data communication when being used to download.
Said anti-jamming circuit is the power supply prime to be adopted isolate and Filtering Processing.
Said FLASH storer is used for storage running state and failure message.
Said liquid crystal driver module is used for controlling the running status and the dependent failure information of various piece in the current subway carriage of screen displaying;
Said power module is used to this expanding system direct supply is provided, and with the direct supply of air-conditioner controller corresponding power input interface is arranged.
Said RS232/RS485 interface circuit is to adopt SP202EEN and SP485EEN communication mode, and it is the chip of ADuM1401 that this interface circuit adopts model, and this chip is based on the universal four-way digital isolator of magnetic coupling isolation technology.
The core of said CAN interface circuit is the CAN transceiver, and it is the chip of CTM1050 that the CAN transceiver adopts model.
Said touch-screen adopts the intelligent display terminal of model DMT48270K043_01W.
Said ARM7 microprocessor is 32 bit processors, and the ARM7 microprocessor carries out data communication through its inner CAN agreement control circuit and described CAN interface circuit.
Compared with prior art the utlity model has following characteristics and beneficial effect:
Be the CAN communication between the utility model and the subway air-conditioner controller; Has the man-machine interface of improving the touch-screen conduct; The maintainer can grasp the running status and the dependent failure information of various piece in the current subway carriage very intuitively, and adopts the power supply of direct current 24V power supply, and electric power system power supply prime adopts and isolates and relevant Filtering Processing preferably; Prevent the interference that extraneous power supply instability causes system, for the normal operation of system provides guarantee.
Communication mode adopts the CAN communication, have real-time, transmission range is far away, anti-electromagnetic interference capability is strong, cost is low, adopts the two-wire serial communication mode, error detecing capability is strong, can in the strong noise interference environment, work.In the processing of communication signal, do magnetic isolation preferably, be convenient to improve the stability of system like this.Magnetic has adopted the transformer technology of high-speed cmos technology and chip-scale at a distance from being to adopt universal four-way digital isolator, is superior to photoelectric isolating device at everyways such as performance, power consumption, volumes.
The function of subway air-conditioner controller that the utility model is perfect; Total system is easy and simple to handle, practical; Easy to maintenance; When having guaranteed the normal operation of subway air-conditioning system running state is monitored the processing with related data in real time, this product has also received relevant maintainer, metro operation merchant and owner's favorable comment simultaneously, can be widely used in railroad train, subway train and urban rail transit vehicles etc. and the industrial control field of marshalling automatically.
Description of drawings
Below in conjunction with accompanying drawing the utility model is done further detailed explanation.
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the CAN structural representation of the utility model.
Fig. 3 is the forward sight design sketch of the utility model.
Fig. 4 is the backsight design sketch of the utility model.
Fig. 5 is the design sketch of facing of the utility model.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Referring to shown in Figure 1; This is based on the expanding system of the subway air-conditioner controller of ARM7 microprocessor; Comprise ARM7 microprocessor, the CAN interface circuit that is connected with said ARM7 microprocessor, RS232/RS485 interface circuit, anti-jamming circuit, FLASH storer, operation indicating module, liquid crystal driver module, power module and the touch-screen that is connected with said CAN interface circuit, described ARM7 microprocessor will be sent to touch-screen from the data of air-conditioner controller through the CAN interface circuit and show; The utility model product carries touch-screen, demonstration that can be real-time, the relevant running status of storage.Described touch-screen is the intelligent display terminal that adopts Beijing Dwin Technology Co., Ltd., and model is: MT48270K043_01W, this touch-screen are that size is 4.3 cun; 480 * 272 graphic dot matrixes, M100 kernel, 65K look OLED HMI; And electric power system preferably arranged; The system power supply prime adopt to be isolated and relevant Filtering Processing, prevents the interference that extraneous power supply instability causes system, for the normal operation of system provides guarantee.Said anti-jamming circuit is the power supply prime to be adopted isolate and Filtering Processing; Said FLASH storer is used for storage running state and failure message; Said liquid crystal driver module is used for controlling the running status and the dependent failure information of various piece in the current subway carriage of screen displaying; Said power module is used to this expanding system direct supply is provided, and with the direct supply of air-conditioner controller corresponding power input interface is arranged.
Said ARM7 microprocessor is 32 bit processors; It is core processing circuit; Mainly comprise clock circuit, reset circuit and relevant power circuit and filtering circuit etc.; Wherein reset circuit has adopted the special-purpose chip SP708S that resets, and this chip is high-precision low-voltage watch-dog, and reseting pulse width is 200ms.The ARM7 microprocessor carries out data communication through its inner CAN agreement control circuit and described CAN interface circuit.
Said RS232/RS485 interface circuit be used for air-conditioner controller on the corresponding connection of RS232/RS485 interface, the data communication when being used to download; Described RS232, RS485 communication mode are respectively to have adopted SP202EEN and SP485EEN; In the processing of communication signal, done magnetic isolation preferably; Be convenient to improve the stability of system like this; Magnetic is at a distance from being that the chip that adopts is ADuM1401, and this chip is that (Analog device, inc) company releases the universal four-way digital isolator based on its patent iCoupler magnetic coupling isolation technology to ADI.Adopted the transformer technology of high-speed cmos technology and chip-scale, the incomparable advantage of photoelectric isolating device has been arranged at everyways such as performance, power consumption, volumes.
Referring to shown in Figure 2; The CAN structural representation, said CAN interface circuit is a core with the CAN bus transceiver, accomplishes CAN bus physical layer function; CAN agreement control circuit is through CAN interface circuit transceive data; Completion is to the operation of CAN bus, and described CAN agreement control circuit is a core with the CAN protocol controller, accomplishes CAN bus links layer function.The CAN transponder chip is to adopt CTM1050 in this expanding system; This chip is the high-speed CAN transponder chip that a band is isolated; Inner integrated all essential CAN isolate and CAN sending and receiving devices, and these all are integrated in less than on 3 square centimeters the chip.The major function of chip is that the logic level transition with the CAN controller is the differential level of CAN bus and isolation features with DC 2500V and ESD protective effect.Said CAN interface circuit be used for air-conditioner controller on the corresponding grafting of CAN interface, realize and this expanding system between data communication; Communication mode adopts the CAN communication, have real-time, transmission range is far away, anti-electromagnetic interference capability is strong, cost is low, adopts the two-wire serial communication mode, error detecing capability is strong, can in the strong noise interference environment, work.
Shown in Fig. 3-5; Be the appearance figure of the utility model; Product carries touch-screen, and is the CAN communication between the air-conditioner controller, and product has perfect man-machine interface; The maintainer can grasp the running status and the dependent failure information of various piece in the current subway carriage very intuitively; Comprise operations such as action, running status, data monitoring, fault inquiry, input state, parameter setting, thermograph, air-conditioning action record, help, total system is simple to operate, easy to maintenance, the industrial control field that can be widely used in railroad train, subway train and urban rail transit vehicles etc. and organize into groups automatically.
More than the disclosed specific embodiment that is merely this patent, but this patent is not limited thereto, for the person of ordinary skill of the art, under the prerequisite that does not break away from the utility model principle, the distortion of making should be regarded as belonging to the utility model protection domain.
Claims (5)
1. expanding system based on the subway air-conditioner controller of ARM7 microprocessor; It is characterized in that: comprise ARM7 microprocessor, the CAN interface circuit that is connected with said ARM7 microprocessor, RS232/RS485 interface circuit, anti-jamming circuit, FLASH storer, operation indicating module, liquid crystal driver module, power module and the touch-screen that is connected with said CAN interface circuit, described ARM7 microprocessor will be sent to touch-screen from the data of air-conditioner controller through the CAN interface circuit and show;
Said ARM7 microprocessor is that the data of air-conditioner controller are sent to touch-screen through the CAN interface circuit and show;
Said CAN interface circuit be used for air-conditioner controller on the corresponding grafting of CAN interface, realize and this expanding system between data communication;
Said RS232/RS485 interface circuit be used for air-conditioner controller on the corresponding connection of RS232/RS485 interface, the data communication when being used to download;
Said anti-jamming circuit is the power supply prime to be adopted isolate and Filtering Processing;
Said FLASH storer is used for storage running state and failure message;
Said liquid crystal driver module is used for controlling the running status and the dependent failure information of various piece in the current subway carriage of screen displaying;
Said power module is used to this expanding system direct supply is provided, and with the direct supply of air-conditioner controller corresponding power input interface is arranged.
2. the expanding system of the subway air-conditioner controller based on the ARM7 microprocessor according to claim 1; It is characterized in that: said RS232/RS485 interface circuit is to adopt SP202EEN and SP485EEN communication mode; It is the chip of ADuM1401 that this interface circuit adopts model, and this chip is based on the universal four-way digital isolator of magnetic coupling isolation technology.
3. the expanding system of the subway air-conditioner controller based on the ARM7 microprocessor according to claim 1, it is characterized in that: the core of said CAN interface circuit is the CAN transceiver, it is the chip of CTM1050 that the CAN transceiver adopts model.
4. the expanding system of the subway air-conditioner controller based on the ARM7 microprocessor according to claim 1 is characterized in that: said touch-screen adopts the intelligent display terminal of model DMT48270K043_01W.
5. the expanding system of the subway air-conditioner controller based on the ARM7 microprocessor according to claim 1; It is characterized in that: said ARM7 microprocessor is 32 bit processors, and the ARM7 microprocessor carries out data communication through its inner CAN agreement control circuit and described CAN interface circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200917347U CN202110423U (en) | 2011-03-31 | 2011-03-31 | Expansion system based on microprocessor advanced reduced instruction set computer (RISC) machine (ARM) 7 for underground air conditioner controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200917347U CN202110423U (en) | 2011-03-31 | 2011-03-31 | Expansion system based on microprocessor advanced reduced instruction set computer (RISC) machine (ARM) 7 for underground air conditioner controller |
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| Publication Number | Publication Date |
|---|---|
| CN202110423U true CN202110423U (en) | 2012-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200917347U Expired - Fee Related CN202110423U (en) | 2011-03-31 | 2011-03-31 | Expansion system based on microprocessor advanced reduced instruction set computer (RISC) machine (ARM) 7 for underground air conditioner controller |
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| CN (1) | CN202110423U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102882775A (en) * | 2012-09-26 | 2013-01-16 | 广东美的暖通设备有限公司 | Touch screen air-conditioning gateway system |
| CN113264074A (en) * | 2021-06-23 | 2021-08-17 | 中车大连机车车辆有限公司 | Subway vehicle, modular air conditioner control panel and control method |
-
2011
- 2011-03-31 CN CN2011200917347U patent/CN202110423U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102882775A (en) * | 2012-09-26 | 2013-01-16 | 广东美的暖通设备有限公司 | Touch screen air-conditioning gateway system |
| CN113264074A (en) * | 2021-06-23 | 2021-08-17 | 中车大连机车车辆有限公司 | Subway vehicle, modular air conditioner control panel and control method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120111 Termination date: 20180331 |
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| CF01 | Termination of patent right due to non-payment of annual fee |