CN101488279A - General locomotive close range remote measurement and control instrument based on data transmission radio station technique D32DL - Google Patents
General locomotive close range remote measurement and control instrument based on data transmission radio station technique D32DL Download PDFInfo
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- CN101488279A CN101488279A CNA2009100102860A CN200910010286A CN101488279A CN 101488279 A CN101488279 A CN 101488279A CN A2009100102860 A CNA2009100102860 A CN A2009100102860A CN 200910010286 A CN200910010286 A CN 200910010286A CN 101488279 A CN101488279 A CN 101488279A
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Abstract
The invention discloses a universal locomotive short-distance remote detecting-controlling instrument based on data transmission broadcasting station technology D21DL, which is characterized by comprising a main controller module, a wireless data transmission module, an analog quantity input unit AI, a digital quantity input unit DI, an analog quantity output unit AO, a digital quantity output unit DO and a power supply unit. The wireless data transmission module uses the data transmission broadcasting station technology to carry out data receiving and emitting with a system outside the locomotive and exchange data with a device on the locomotive by the analog quantity input unit AI, the digital quantity input unit DI, the analog quantity output unit AO and the digital quantity output unit DO after being processed by the main controller module, thus accomplishing the remote detecting-controlling on the locomotive.
Description
Technical field
The present invention relates to adopt radiowave to find range and test the speed, relate in particular to locomotive is carried out in-plant telemetry and telecommand.
Background technology
The existing method that is used for the locomotive data detection is based on traditional approach sensor, related data on the train in the operational process is communicated to cab by various instrument, grasp by the personnel on the train, convey to the staff on the station again, the method and the transmittance process of this detection data are loaded down with trivial details, are unfavorable for the grasp of the outer personnel of car to the train operation situation.Control to locomotive is then undertaken by personnel on the train fully, in particular cases also truly has its inconvenience at some.How pass on information on the locomotive fast by a kind of new mode, the support that obtains ground is rapidly carried out remote control to locomotive in closer distance, ensure the safe and reliable operation of train, has become one of problem demanding prompt solution.
Summary of the invention
A kind of general-purpose locomotive that the present invention designs at this situation just is the remote measuring and controlling instrument closely, be intended to make the outer personnel of car not need just to obtain various data in the train operation by the driver, be convenient to analysis and instant solve of external staff to locomotive failure, can receive simultaneously the outer instruction that sends of car again, assist the driver to handle to some emergency case on the locomotive, thereby ensure that train safe moves reliably.
Technical solution of the present invention is achieved in that
A kind of general-purpose locomotive based on data transmission radio station technique D21DL is the remote measuring and controlling instrument closely, it is characterized in that comprising: wireless data transmission module, analog input unit AI, digital quantity input block DI, analog quantity output unit AO, digital quantity output unit DO and power supply unit that the main controller module that C8051F040 constitutes, SA68D21DL constitute, wherein said wireless data transmission module links to each other with the P0.0-P0.3 of main controller module by TX, RX, DSR, the DTR signal of serial input interface; Described main controller module links to each other with analog output module (4) by P6.4, P6.5 pin, link to each other with the digital quantity output unit by the P6.0-P6.3 pin, link to each other with digital quantity input module by the P5.4-P5.7 pin, link to each other with the analog quantity load module by P5.0-P5.3; Described power supply unit general+5V voltage is sent into digital quantity output unit and analog quantity output unit, general+3.3V and+2.5V voltage is sent to main controller module, the reference ground output GND of power supply unit then links to each other with the GND pin of main controller module, digital quantity output unit and analog quantity output unit, constitutes the loop with positive voltage; Various data on the locomotive are gathered by described analog input AI and digital quantity input DI unit, and it is sent into main controller module, data are after the conversion of main controller module, send into the SA68D21DL wireless data transmission module by serial ports, send to outside the car by the data radio station technology, finish the remote measurement of locomotive data; Simultaneously the telecommand of outside to locomotive received by the SA68D21DL wireless data transmission module, after main control chip is handled, send into AO and DO unit, finish remote control locomotive.
Described analog input unit mainly comprises amplifier chip LM124.
Described digital quantity input chip mainly comprises the isolation optocoupler.
Described analog quantity output unit mainly comprises 8 voltage output digital to analog converters.
Described digital quantity output unit comprises chip for driving MC1413 and REL600 type relay.
Described power supply unit circuit comprises power conversion chip AS1117M3-3.3 and MIC5207, and isolating chip BO505T.
Described general-purpose locomotive based on data transmission radio station technique D21DL is the remote measuring and controlling instrument closely, and its control method comprises the step of system initialization, it is characterized in that also comprising the steps;
(1) main controller module Data Detection;
(2) whether main controller module is received data and judges, and in following step, select:
(3) do not receive wireless data sending signal and AI, DI signal, return initialization;
(4) receive AI, DI signal, carry out data processing, and send data to wireless data transmission module;
(5) receive the wireless data sending signal, carry out data processing, and send data to AO, DO module;
(6) retrieval system initialization.
Compared with prior art, the invention has the advantages that to the data of locomotive operation remote remote measuring and controllings changed in the past can only manual Data transmission mode, only need described remote measuring and controlling instrument is installed in the locomotive, just can carry out the transmission and the reception of data by antenna, it is convenient, simple to operate to use, use reliable, be that train is detected control, ensure the new product of its safe and reliable operation, have very strong practicality.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a circuit structure diagram of the present invention;
Fig. 3 is a master controller chip C8051F040 circuit diagram of the present invention;
Fig. 4 is SA68D21DL wireless data transmission module of the present invention and main control chip interface schema;
Fig. 5 is an analog input unit circuit diagram of the present invention;
Fig. 6 is digital quantity input-cell circuitry figure of the present invention;
Fig. 7 is an analog quantity output unit circuit diagram of the present invention;
Fig. 8 is a digital quantity output unit circuit diagram of the present invention;
Fig. 9 is a power supply unit circuit diagram of the present invention;
Figure 10 is a software control flow chart of the present invention.
Embodiment
As Fig. 1 ~ shown in Figure 10 based on the general-purpose locomotive of data transmission circuit technology D21DL remote measuring and controlling instrument closely, total system comprises hardware and software two parts.The effect of hardware mainly provides physical connection, by the collection of analog input unit to analog quantity in the locomotive, as voltage, electric current etc. and of the collection of digital quantity input block to digital quantity in the locomotive, wait the related data of obtaining on the locomotive as on off state, block of bow collector of electric locomotive lifting, 81～88 pins of C8051F040 are sent into main controller module in main controller module, again after the conversion of data processing and form, serial line interface by main controller module 59～62 is sent data into wireless data transmission module; By SA68D21DL wireless data transmission module Data Receiving and transmission.Remote control data is opposite with said process, sends telecommand by wireless data transmission module to locomotive, by analog quantity output and digital quantity output control relevant device.The device hardware structured flowchart as shown in Figure 1.
The effect of software is according to the rig-site utilization requirement, handles the data receive in main control chip, and data are transmitted between SA68D21DL wireless data transmission module and AI, AO, DI, DO passage.
C8051F040 chip in the described main controller module is the core of entire equipment, has finished the function control of data processing and conversion.C8051F040 is fully-integrated mixed signal SOC (system on a chip) type MCU, has 64 digital I/O pins, adopts the patent CIP-51 microcontroller kernel of Silicon Lab in the sheet.Each MCU can be in industrial temperature scope (45 ℃ to+85 ℃) work, and operating voltage is 2.7 ~ 3.6V.C8051F040 has the function of storage data, and when the temporary transient power down of system, the FLASH storer can also be used for non-volatile data storage except being used for program code stored.This has just effectively guaranteed the safe and reliable of application.
The SA68D21D module is to use the module that is used for wireless data transmission of data transmission radio station technique, can be applicable to remote control, the remote measurement of many applications such as electric power, water conservancy, exploration, the digital data transmission of remote sensing.Its digital delivery process is as follows: receive the data of host computer when module after, module judges that by the DTR line data of receiving are order or transmission data earlier, if corresponding order is then carried out in order, if the data that the transmission data then will send are earlier delivered to the transmission buffer zone, and simultaneously the state of module is converted to emission state by accepting state, start after state exchange is finished and send wrapper.The function that sends wrapper is that the data with buffer zone become the signaling that is fit to wireless transmission, and this signaling is delivered to data-modulated mouth in the module, launches with the modulation system of FSK.
Under accepting state, receiver always receives the synchronizing information in the code stream, carries out bit synchronization at once in case receive synchronizing information, obtains to carry out sign indicating number synchronously after the bit synchronization, begins to receive a signaling after sign indicating number is finished synchronously.If what receive is the form that the data signaling module is made a start the one-tenth of the reduction of data in the data signaling, give host computer.
Power supply unit comprises the power supply chip and the holding circuit of several grades, is responsible for the power supply of total system.
Claims (7)
1, a kind of general-purpose locomotive based on data transmission radio station technique D21DL remote measuring and controlling instrument closely, it is characterized in that comprising: wireless data transmission module (6), analog input unit AI (2), digital quantity input block DI (1), analog quantity output unit AO (4), digital quantity output unit DO (3) and power supply unit (7) that the main controller module (5) that C8051F040 constitutes, SA68D21DL constitute, wherein said wireless data transmission module (6) links to each other with the P0.0-P0.3 of main controller module (5) by TX, RX, DSR, the DTR signal of serial input interface; Described main controller module (5) links to each other with analog output module (4) by P6.4, P6.5 pin, link to each other with digital quantity output unit (3) by the P6.0-P6.3 pin, link to each other with digital quantity input module (1) by the P5.4-P5.7 pin, link to each other with analog quantity load module (1) by P5.0-P5.3; Described power supply unit (7) general+5V voltage is sent into digital quantity output unit (3) and analog quantity output unit (4), general+3.3V and+2.5V voltage is sent to main controller module (5), the reference ground output GND of power supply unit then links to each other with main controller module (5), digital quantity output unit (3) and the GND pin of analog quantity output unit (4), constitutes the loop with positive voltage; Various data on the locomotive are gathered by described analog input AI and digital quantity input DI unit, and it is sent into main controller module, data are after the conversion of main controller module, send into the SA68D21DL wireless data transmission module by serial ports, send to outside the car by the data radio station technology, finish the remote measurement of locomotive data; Simultaneously the telecommand of outside to locomotive received by the SA68D21DL wireless data transmission module, after main control chip is handled, send into AO and DO unit, finish remote control locomotive.
2, the general-purpose locomotive based on data transmission radio station technique D21DL according to claim 1 remote measuring and controlling instrument closely is characterized in that described analog input unit mainly comprises amplifier chip LM124.
3, the general-purpose locomotive based on data transmission radio station technique D21DL according to claim 2 remote measuring and controlling instrument closely is characterized in that described digital quantity input chip mainly comprises the isolation optocoupler.
4, the general-purpose locomotive based on data transmission radio station technique D21DL according to claim 3 remote measuring and controlling instrument closely is characterized in that described analog quantity output unit mainly comprises 8 voltages output digital to analog converters.
5, the general-purpose locomotive based on data transmission radio station technique D21DL according to claim 4 remote measuring and controlling instrument closely is characterized in that described digital quantity output unit comprises chip for driving MC1413 and REL600 type relay.
6, the general-purpose locomotive based on data transmission radio station technique D21DL according to claim 5 remote measuring and controlling instrument closely, it is characterized in that described power supply unit circuit comprises power conversion chip AS1117M3-3.3 and MIC5207, and isolating chip BO505T.
7, the general-purpose locomotive based on data transmission radio station technique D21DL according to claim 1 remote measuring and controlling instrument closely, its control method comprises the step of system initialization, it is characterized in that also comprising the steps;
(1) main controller module Data Detection;
(2) whether main controller module is received data and judges, and in following step, select:
(3) do not receive wireless data sending signal and AI, DI signal, return initialization;
(4) receive AI, DI signal, carry out data processing, and send data to wireless data transmission module;
(5) receive the wireless data sending signal, carry out data processing, and send data to AO, DO module;
(6) retrieval system initialization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100102860A CN101488279B (en) | 2009-01-23 | 2009-01-23 | General locomotive close range remote measurement and control instrument based on data transmission radio station technique D32DL |
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| CN2009100102860A CN101488279B (en) | 2009-01-23 | 2009-01-23 | General locomotive close range remote measurement and control instrument based on data transmission radio station technique D32DL |
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| CN101488279A true CN101488279A (en) | 2009-07-22 |
| CN101488279B CN101488279B (en) | 2010-11-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102243801A (en) * | 2011-06-24 | 2011-11-16 | 青岛高校信息产业有限公司 | Multifunctional wireless acquisition controller |
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2009
- 2009-01-23 CN CN2009100102860A patent/CN101488279B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102243801A (en) * | 2011-06-24 | 2011-11-16 | 青岛高校信息产业有限公司 | Multifunctional wireless acquisition controller |
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| CN101488279B (en) | 2010-11-10 |
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