CN202689780U - Platform door unit controller for rail transit - Google Patents
Platform door unit controller for rail transit Download PDFInfo
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- CN202689780U CN202689780U CN2012203249116U CN201220324911U CN202689780U CN 202689780 U CN202689780 U CN 202689780U CN 2012203249116 U CN2012203249116 U CN 2012203249116U CN 201220324911 U CN201220324911 U CN 201220324911U CN 202689780 U CN202689780 U CN 202689780U
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- door
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- indicator lamp
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Abstract
A platform door unit controller for rail transit is connected with a platform door motor driver through a rigid line to realize control of various functions, state display and data communication. The platform door unit controller for the rail transit comprises a CPU (central processing unit), a RS485, an input wiring terminal, an output wiring terminal and a CAN (controller area network) bus, wherein the RS485, the input wiring terminal and the output wiring terminal are isolated by optocouplers respectively and communicated with the CPU; the CAN bus is communicated with the CPU through an isolation module; and a power supply of the CPU adopts an isolation power supply. The platform door unit controller adopts a completely isolated mode and is safe and reliable in operation and low in cost.
Description
Technical field
The utility model relates to controller, particularly a kind of rail traffic platform gate cell controller.
Background technology
Current track traffic platform gate cell controller adopts PLC control mostly, cost is high, adjustment and installation is inconvenient, the bad realization of transfer of data, and the PLC Long-range Data Transmission generally is to carry out communication with the ProfiBus bus, it does not generally add electrical isolation, because earth-current refluxes greatly, might damage PLC.
The utility model content
The purpose of this utility model is exactly for the above-mentioned problems in the prior art, and a kind of rail traffic platform gate cell controller is provided.
To achieve these goals, the utility model has adopted following technical scheme: a kind of rail traffic platform gate cell controller is connected the various functions controls of realization, state demonstration and data communication with the gate motor driver by rigid line; Comprise CPU, RS485, input wires terminal, output wiring terminal and CAN bus; RS485, input wires terminal and output wiring terminal are communicated by letter with CPU by light-coupled isolation respectively and are linked to each other; The CAN bus is communicated by letter with CPU by isolation module and is linked to each other, the power acquisition insulating power supply of CPU.
Described CPU adopts the microprocessor of 16 bit dsp33FJ64GP706A of Microship company, carries out various logic control, state demonstration and transfer of data by it.
Described input wires terminal is three groups, every group 8 tunnel input, totally 24 tunnel inputs are respectively: automatic door opening order input, automatic door-closing order input, the input of automatic/hand switching command, on the spot isolation order input, the order that opens Door by Hand input, the order of manually closing the door input, infrared on the spot isolation order input, the manual unlocking input, the input of escape door signal, termination door status signal input, 1 input of left-hand door approach switch, 2 inputs of left-hand door approach switch, right door approach switch 1 input, right door approach switch 2 inputs, door reaches a feedback command input, door closes the feedback command input that puts in place, left-hand door reaches the position input, left-hand door closes the input that puts in place, right door reaches the position input, right door closes the input that puts in place, the left-hand door input that is hampered, right the input that is hampered, left-hand door manual unlocking order input and right door manual unlocking order input.
Described output wiring terminal is one group, totally 11 tunnel outputs are respectively: left-hand door open the door order output, left-hand door close the door order output, right Men Kaimen order output, right door close the door order output, the output of left-hand door manual unlocking, the output of right door manual unlocking, trouble lamp output, buzzer output, the output of door status lamp, output and the door-closing in-place output of putting in place of opening the door.
Described RS485 interface adopts combination and the semiduplex communication modes of balance driver and differential receiver.
Also comprise 12 led state indicator lamps, one of them green light is the 5V power supply indicator, in addition 11 LED lamps are red light, are respectively: make mistakes indicator lamp, left-hand door communication failure indicator lamp, right gate open news malfunction indicator lamp, left and right door overcurrent indicator lamp, left and right door overvoltage indicator lamp, left and right door Hall malfunction indicator lamp, left and right door motor failure indicator lamp, left and right door light of indicator lamp working properly, I2C compiled malfunction indicator lamp, left and right door plant failure indicator lamp and left and right door fault case indicator lamp.
Described CAN bus design is that the 9 pin D type interfaces of DB9 connect, and its input and output are all by isolation module, and address switch adopts 6 toggle switch, and each controller has a unique ID to encode, and coding can from 1 to 64.
Gate cell controller of the present utility model is installed on a side of rail traffic platform door both sides, with be connected the function such as realize the order of open and close door, release, be hampered between the gate motor driver by rigid line, assurance is to the real-time control of motor driver, data read the half duplex communication via RS485, realize communication by the CAN bus between the gate cell controller.What CPU used is the microprocessor of 16 bit (dsp33FJ64GP706A) of Microship company.Carry out various logic control, state demonstration and transfer of data by it.
Rail traffic platform gate cell controller of the present utility model has adopted complete isolation mode, and is safe and reliable to operation, realizes that cost is low.
Description of drawings
Fig. 1 is the general structure block diagram of rail traffic platform gate cell controller of the present utility model;
Fig. 2 is the isolation situation block diagram of gate cell controller;
Fig. 3 is the structural representation of the input wires terminal in the utility model;
Fig. 4 is the structural representation of the output wiring terminal in the utility model.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
Referring to Fig. 1, Fig. 2, rail traffic platform gate cell controller of the present utility model comprises CPU, RS485, input wires terminal, output wiring terminal and CAN bus; RS485, input wires terminal and output wiring terminal are communicated by letter with CPU by light-coupled isolation respectively and are linked to each other; The CAN bus is communicated by letter with CPU by isolation module and is linked to each other, the power acquisition insulating power supply of CPU.
The 26S Proteasome Structure and Function of each functional module is as follows:
1, the isolation of controller:
Referring to Fig. 2, the input that the gate cell controller is all and output, RS485 have adopted light-coupled isolation, and what the 24V power acquisition was used is insulating power supply, and the CAN bus that transfer of data is used adopts isolation module, and this has guaranteed the anti-interference and stability of controller.
2, numeral input:
All numeral inputs are the 24V contact input, and they are all by optocoupler and control section isolation, and per 8 one group, the input of total 3*8=24 road, all inputs are convenient to on-the-spot I﹠M so all with LED light, and the parameter of each input signal is as follows:
Normal input voltage, 24V;
The high level maximum input voltage, 30V;
The minimum input voltage of high level, 15V;
The low level maximum input voltage, 5V;
Typical input current, 10mA.
Digit input function has as shown in Figure 3:
Automatic door opening order input, automatic door-closing order input, the input of automatic/hand switching command, on the spot isolation order input, the order that opens Door by Hand input, the order of manually closing the door input, infrared on the spot isolation order input, the infrared light curtain input, the escape door input, termination door input, 1 input of left-hand door approach switch, 2 inputs of left-hand door approach switch, right door approach switch 1 input, right door approach switch 2 inputs, door reaches a feedback command input, door closes the feedback command input that puts in place, left-hand door reaches the position input, left-hand door closes the input that puts in place, right door reaches the position input, right door closes the input that puts in place, the left-hand door input that is hampered, right the input that is hampered, left-hand door manual unlocking order input and right totally 24 tunnel inputs such as manual unlocking order input, 24 tunnel all inputs all can be used.
3, numeral output:
The 24V design is all pressed in all numeral outputs, totally one group, 11 tunnel outputs, the output of every road is all isolated with control module, and what output was adopted here is the PhotoMOS pipe, is a kind of semiconductor devices, faster than the relay reaction, the output of every road has the led state indicator lamp, is convenient to so on-the-spot I﹠M, and the parameter of each road output signal is as follows:
Maximum switching voltage, 30V;
Minimum switching voltage, 18V;
Maximum switching current, 1.0A.
The numeral output function has as shown in Figure 4:
Left-hand door open the door order, left-hand door close the door order, right Men Kaimen order, right door close the door order, left-hand door manual unlocking, right door manual unlocking, trouble lamp, buzzer, door status lamp, open the door put in place, door-closing in-place totally 11 tunnel outputs, all 11 tunnel outputs all can be used.
4, RS485 bus:
The RS485 interface is the combination of adopting balance driver and differential receiver, and anti-common mode is done ability and strengthened, and namely noise immunity is good.Be connected with the existing rigid line of driver, also some data is by the RS485 bus mode, and control command adopts rigid line to connect can guarantee that the various command of sending can meet with a response real-time, and other data then adopt RS485 to transmit.RS485 adopts semiduplex communication modes, and two plugs can at will be inserted up and down, but must note on the platform its upper plug of all doors or entirely insert left-hand door, or just entirely inserts right door, like this all transfer of data of guarantee correctly.
5, led state lamp indication:
Have 12 led state indicator lamps (not comprising the input/output state indication) on the controller, it is green light (D76) that a lamp is wherein arranged, and it is the 5V power supply indicator, and 11 LED lamps are a red row in addition, and its each functional status is as follows:
D5 is indicator lamp working properly, and flicker frequency is 2Hz;
D6 is the I2C indicator lamp of makeing mistakes, and is normal for not working, and represents to read and write outside EEPROM when bright and makes mistakes;
D7 is the indication of left-hand door communication failure;
D8 is right gate open news indicating fault;
D9 is the indication of left and right door overcurrent;
D10 is left and right door overvoltage indication;
D11 is left and right door Hall indicating fault;
D12 is the indication of left and right door motor failure;
D13 is that left and right door light is compiled indicating fault;
D14 is the indication of left and right door plant failure;
D15 is the indication of left and right door fault case.
6, CAN bus:
CAN " Controller Area Network ", i.e. controller local area network is one of most widely used fieldbus in the world.At first, CAN is designed as the microcontroller communication in the automotive environment, and exchange message between vehicle-mounted each electronic-controlled installation ECU forms the Vehicle Electronic Control network.Such as: in engine management system, gearbox control, instrument equipment, the electronics trunk system, all embed CAN control device etc.
In the single network that is made of the CAN bus, can articulate numerous node in theory.In the practical application, interstitial content is limited by the electrical characteristic of the network hardware.For example, when using Philips P82C250 as the CAN transceiver, allow to articulate 110 nodes in the consolidated network.CAN can provide the message transmission rate up to 1Mbit/s, and this makes real-time control become very easy.In addition, the mistake of hardware calibrating characteristic has also strengthened the anti-electromagnetic interference capability of CAN.
CAN is a kind of serial communication bus of multiple host pattern, and the Basic Design code requirement has high bit rate, the high resistance electromagnetic interference, and can detect any mistake of generation.When signal transmission distance reached 10Km, CAN still can provide the message transmission rate up to 50Kbit/s.
Because the CAN bus has very high real-time performance, therefore, CAN is widely applied in the fields such as auto industry, aircraft industry, Industry Control, security protection.
The CAN bus connects the 9 pin D type interfaces that are designed to DB9, isolation module has been adopted in its input and output, address switch adopts the toggle switch of 6 (can use 2^6=64 shelves door), each controller has a unique ID coding, coding can from 1 to 64, if only have 16 grades of doors, then be encoded to 1 to 16.
Claims (7)
1. a rail traffic platform gate cell controller is connected the various functions controls of realization, state demonstration and data communication with the gate motor driver by rigid line; It is characterized in that: comprise CPU, RS485, input wires terminal, output wiring terminal and CAN bus; RS485, input wires terminal and output wiring terminal are communicated by letter with CPU by light-coupled isolation respectively and are linked to each other; The CAN bus is communicated by letter with CPU by isolation module and is linked to each other, the power acquisition insulating power supply of CPU.
2. rail traffic platform gate cell controller as claimed in claim 1 is characterized in that: described CPU adopts the microprocessor of 16 bit dsp33FJ64GP706A of Microship company.
3. rail traffic platform gate cell controller as claimed in claim 1, it is characterized in that: described input wires terminal is three groups, every group 8 tunnel input, totally 24 tunnel inputs are respectively: automatic door opening order input, automatic door-closing order input, the input of automatic/hand switching command, on the spot isolation order input, the order that opens Door by Hand input, the order of manually closing the door input, infrared on the spot isolation order input, the manual unlocking input, the input of escape door signal, termination door status signal input, 1 input of left-hand door approach switch, 2 inputs of left-hand door approach switch, right door approach switch 1 input, right door approach switch 2 inputs, door reaches a feedback command input, door closes the feedback command input that puts in place, left-hand door reaches the position input, left-hand door closes the input that puts in place, right door reaches the position input, right door closes the input that puts in place, the left-hand door input that is hampered, right the input that is hampered, left-hand door manual unlocking order input and right door manual unlocking order input.
4. rail traffic platform gate cell controller as claimed in claim 1, it is characterized in that: described output wiring terminal is one group, totally 11 tunnel outputs are respectively: left-hand door open the door order output, left-hand door close the door order output, right Men Kaimen order output, right door close the door order output, the output of left-hand door manual unlocking, the output of right door manual unlocking, trouble lamp output, buzzer output, the output of door status lamp, output and the door-closing in-place output of putting in place of opening the door.
5. rail traffic platform gate cell controller as claimed in claim 1 is characterized in that: combination and the semiduplex communication modes of described RS485 interface employing balance driver and differential receiver.
6. rail traffic platform gate cell controller as claimed in claim 1, it is characterized in that: also comprise 12 led state indicator lamps, one of them green light is the 5V power supply indicator, 11 LED lamps are red light in addition, are respectively: indicator lamp working properly, the I2C indicator lamp of makeing mistakes, left-hand door communication failure indicator lamp, right gate open news malfunction indicator lamp, left and right door overcurrent indicator lamp, left and right door overvoltage indicator lamp, left and right door Hall malfunction indicator lamp, left and right door motor failure indicator lamp, left and right door light is compiled malfunction indicator lamp, left and right door plant failure indicator lamp and left and right door fault case indicator lamp.
7. rail traffic platform gate cell controller as claimed in claim 1, it is characterized in that: described CAN bus design is that the 9 pin D type interfaces of DB9 connect, isolation module is all passed through in its input and output, address switch adopts 6 toggle switch, each controller has unique ID coding, and coding can from 1 to 64.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203249116U CN202689780U (en) | 2012-07-05 | 2012-07-05 | Platform door unit controller for rail transit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203249116U CN202689780U (en) | 2012-07-05 | 2012-07-05 | Platform door unit controller for rail transit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202689780U true CN202689780U (en) | 2013-01-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203249116U Expired - Fee Related CN202689780U (en) | 2012-07-05 | 2012-07-05 | Platform door unit controller for rail transit |
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| Country | Link |
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| CN (1) | CN202689780U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102903164A (en) * | 2012-07-02 | 2013-01-30 | 上海三意电机驱动技术有限公司 | Rail transportation station door unit controller |
| CN109779441A (en) * | 2017-11-14 | 2019-05-21 | 郑州宇通客车股份有限公司 | A kind of door for coach method of controlling security and system |
-
2012
- 2012-07-05 CN CN2012203249116U patent/CN202689780U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102903164A (en) * | 2012-07-02 | 2013-01-30 | 上海三意电机驱动技术有限公司 | Rail transportation station door unit controller |
| CN102903164B (en) * | 2012-07-02 | 2016-01-20 | 上海三意电机驱动技术有限公司 | Rail transportation station door unit controller |
| CN109779441A (en) * | 2017-11-14 | 2019-05-21 | 郑州宇通客车股份有限公司 | A kind of door for coach method of controlling security and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20130123 Termination date: 20160705 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |