CN201590826U - Automatic collecting and correcting device for metro fault data - Google Patents
Automatic collecting and correcting device for metro fault data Download PDFInfo
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- CN201590826U CN201590826U CN2010200329410U CN201020032941U CN201590826U CN 201590826 U CN201590826 U CN 201590826U CN 2010200329410 U CN2010200329410 U CN 2010200329410U CN 201020032941 U CN201020032941 U CN 201020032941U CN 201590826 U CN201590826 U CN 201590826U
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Abstract
The utility model relates to an automatic collecting and correcting device for metro fault data, which comprises a vehicle-mount data collector, a vehicle-mount movable wireless transceiver, a ground fixed wireless transceiver, a rear-end control PC and a terminal server. The vehicle-mount data collector and the vehicle-mount movable wireless transceiver are located on a carriage; the vehicle-mount data collector is connected with the vehicle-mount movable wireless transceiver; the vehicle-mount movable wireless transceiver adopts a wireless communication method to realize data exchange with the ground fixed wireless transceiver; the ground fixed wireless transceiver is connected with the rear-end control PC, and the rear-end control PC is connected with the terminal server. The automatic collecting and correcting device reduces labor intensity of workers, eliminates random and occasional accidents, and leads the probability of accident to be in a controllable range.
Description
Technical field
The utility model relates to the track traffic technical field, particularly relates to a kind of subway fault data and gathers error correction device automatically.
Background technology
Rail transit train has a lot of equipment in running be that real-time online is monitored and stored, it comprises central stage process handling equipment, traction control equipment, subordinate inverter, the mechanical braking control appliance, air conditioning appliance equipment etc., when these equipment break down in running, fault data will be gathered and be stored in the memory of collecting device, at present owing to these fault datas on main track can not in time be sent to the maintainer, cause a lot of train faults in time not judged and to handle, often cause train to move in spite of illness, brought serious hidden danger for the safe operation of train.
Behind the As-Is train Hui Ku, the fault data of all control units all will be by manually gathering and data centralization storage, and then by manually the fault file being analyzed and handled, just can carry out troubleshooting at last.Artificial fault collection mode is implemented so far, has no longer adapted to the produced on-site practice of present subway train, particularly at the more circuit of train, below we have enumerated the problem that some artificial fault collection mode exposes in production practices work:
(1) there are problems such as labour intensity is big, the operating time is long in artificial fault collection.With a line is example, have 45 trains at present, every train is 8 joint marshallings, every joint car on average has 5 collection points, the fault collection time average of each collection point is about 30 seconds, and the fault collection work of a train needs about 20 minutes altogether, like this fault collection time of all trains need 45*20=900 minute altogether=15 hours, that is to say that if carry out failure data acquisition the fault collection work of finishing whole trains needs about five hours altogether by three skilled workers.
(2) artificial fault collection has greatly had influence on troubleshooting efficient and fault data quality.Because problems such as labour intensity is big, acquisition time is long that artificial fault collection exists, this has just caused, and we can not accomplish fast and be efficient on the mode of troubleshooting, simultaneously because full manual operations very likely causes fault data mistake and fault data to lose owing to human factor.
(3) the present collecting device that adopts of artificial fault collection mode is a portable computer, because fault collection point is many, heat is dialled slotting frequency of utilization height, the data acquisition interface that very likely causes computer damages, cause computer to be repaiied, thereby had influence on fault collection, analysis and judgment task owing to can't image data sending.
The analysis of subway accident and processing are a complexity, empirical very strong technical work, the reason that subway has an accident is a lot, failure cause is discerned in requirement fast, efficiently and accurately and the timely subway that recovers of adopting an effective measure normally moves, and this still is a job that is worth further investigation.In recent years, in safe and scientific field computer technology with engineering broad incorporation such as safety management, safety evaluation, risk analysis prediction, and promoted the process of safe and scientific development.Utilize computer accurately to reach high-speed science computing function and carry out tasks such as safety analysis, accident diagnosis, security decision.At present, subway has generally been installed computer supervisory control system, but the effect to status monitoring is not fully exerted, need the troubleshooting on a backstage and analytical system and realize processing pilot signal, fully realize Intellectualized monitoring to system, improve the utilance of whole monitoring system, realize timely processing to pilot signal, will solve the problem of failure data acquisition radio communication, research, develop of the application of wireless automatic fault data acquisition system in track traffic, realization is to the automatic collection of the fault data of train, realize that at first train advances the ability of carrying out fault data wireless collection and analysis automatically behind the storehouse, improve the automation and the accuracy of image data, shortening is to the maintenance and the preventive maintenance time of car, and progressively can realize standing for a moment failure data acquisition with communicate by letter, make train in running, just can carry out the monitoring and the collection of operation troubles to it, to guarantee the safety traffic of train, increase work efficiency and convenience.
Summary of the invention
The labour intensity that technical problem to be solved in the utility model provides a kind of personnel reduces, and the accident of getting rid of randomness and contingency takes place, and makes the probability that accident takes place be controlled at the interior subway wireless malfunction data acquisition and automatic error correction device of controlled range.
The technical scheme that its technical problem that solves the utility model adopts is: provide a kind of subway fault data to gather error correction device automatically, comprise vehicle carried data collecting device, vehicle-mounted mobile wireless transceiver, ground stationary radio transceivers, rear end control PC and terminal server, described vehicle carried data collecting device and vehicle-mounted mobile wireless transceiver are positioned at subway carriage; Described ground stationary radio transceivers, rear end control PC and terminal server are arranged in station or garage; Described vehicle carried data collecting device is connected with described vehicle-mounted mobile wireless transceiver, is used to gather the service data of subway; Described vehicle-mounted mobile wireless transceiver adopts wireless communication mode and described ground stationary radio transceivers to realize exchanges data; Described ground stationary radio transceivers is connected with described rear end control PC; Described rear end control PC is connected with described terminal server; Described rear end control PC is used to control described vehicle carried data collecting device, vehicle-mounted mobile wireless transceiver and ground stationary radio transceivers; The data that the storage of collected that is used for described terminal server arrives.
Described subway fault data is gathered the vehicle carried data collecting device of error correction device, vehicle-mounted mobile wireless transceiver and ground stationary radio transceivers automatically and is all adopted Chip Microcomputer A tmage128/128L as its Controlled CPU.Described vehicle-mounted mobile wireless transceiver and ground stationary radio transceivers adopt and its wireless data transmission module realization wireless telecommunications between the two of linking to each other of single-chip microcomputer separately.Described vehicle-mounted mobile wireless transceiver has two wireless telecommunications passages; Described ground stationary radio transceivers has a wireless telecommunications passage.
Described subway fault data is gathered automatically in each iron compartment that saves land of error correction device two described vehicle carried data collecting devices is set; Described vehicle carried data collecting device has three data collection points, and by RS232 communication modes image data.
The vehicle carried data collecting device that described subway fault data is gathered error correction device automatically is divided into five types, be respectively: first data acquisition unit, second data acquisition unit, the 3rd data acquisition unit, the 4th data acquisition unit, the 5th data acquisition unit, wherein, first data acquisition unit is responsible for gathering the ACU data of subway, second data acquisition unit is responsible for gathering the DBU of subway, the BECU data, the 3rd data acquisition unit is responsible for gathering the CCU of subway, ACU, the BECU data, the 4th data acquisition unit is responsible for gathering the TCU of subway, the DBU data, the 5th data acquisition unit is responsible for gathering the ACU of subway, the BECU data.
Described subway fault data is gathered the vehicle carried data collecting device of error correction device automatically and is realized exchanges data by RS485 communication modes and described vehicle-mounted mobile wireless transceiver; Described ground stationary radio transceivers realizes exchanges data by RS485 communication modes and described rear end control PC.
The wireless data transmission module that described subway fault data is gathered error correction device automatically adopts half double T radio communication, and transparent data-interface is provided, and has chnnel coding error correction and house dog real-time monitoring and control.
Beneficial effect
Owing to adopted above-mentioned technical scheme, the utility model compared with prior art, have following advantage and good effect: the utility model, artificial " collection fault data " changed into automation " collection fault data ", personnel's labour intensity is reduced, artificial " fault data " that change present urban railway transit train gathered and analyzed, and then the backward situation that overhauls and safeguard.The more important thing is its discovery accident immediately and fault-signal, the probability that accident takes place is controlled in the controlled range.Realize nobody collection of getting on the bus, carry out data analysis automatically and in time export Trouble Report,, improved the reparation speed of train fault, guaranteed the normal operation security of train for the maintenance personal in time provides the foundation of repair and maintenance.
Description of drawings
Fig. 1 is the utility model automatic data collection cellular construction schematic diagram;
Fig. 2 is the utility model vehicle carried data collecting device interface schematic diagram;
Fig. 3 is the vehicle-mounted mobile wireless transceiver interface of a utility model schematic diagram;
Fig. 4 is the utility model ground stationary radio transceivers interface schematic diagram;
Fig. 5 is that the utility model system constitutes schematic diagram;
Fig. 6 is the utility model vehicle carried data collecting device structured flowchart;
Fig. 7 is the vehicle-mounted mobile wireless transceiver configuration of a utility model block diagram;
Fig. 8 is the utility model ground stationary radio transceivers structured flowchart.
Embodiment
Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiment only to be used to the utility model is described and be not used in the restriction scope of the present utility model.Should be understood that in addition those skilled in the art can make various changes or modifications the utility model after the content of having read the utility model instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Execution mode of the present utility model relates to a kind of subway fault data and gathers error correction device automatically, comprise vehicle carried data collecting device, vehicle-mounted mobile wireless transceiver, ground stationary radio transceivers, rear end control PC and terminal server, described vehicle carried data collecting device and vehicle-mounted mobile wireless transceiver are positioned at subway carriage; Described ground stationary radio transceivers, rear end control PC and terminal server are arranged in station or garage; Described vehicle carried data collecting device is connected with described vehicle-mounted mobile wireless transceiver, is used to gather the service data of subway; Described vehicle-mounted mobile wireless transceiver adopts wireless communications portal and described ground stationary radio transceivers to realize exchanges data; Described ground stationary radio transceivers is connected with described rear end control PC; Described rear end control PC is connected with described terminal server; Described rear end control PC is used to control described vehicle carried data collecting device, vehicle-mounted mobile wireless transceiver and ground stationary radio transceivers; The data that the storage of collected that is used for described terminal server arrives.
Described subway fault data is gathered the vehicle carried data collecting device of error correction device, vehicle-mounted mobile wireless transceiver and ground stationary radio transceivers automatically and is all adopted single-chip microcomputer as its Controlled CPU.Described vehicle-mounted mobile wireless transceiver and ground stationary radio transceivers adopt and its wireless data transmission module realization wireless telecommunications between the two of linking to each other of single-chip microcomputer separately.Described vehicle-mounted mobile wireless transceiver has two wireless telecommunications passages; Described ground stationary radio transceivers has a wireless telecommunications passage.
Described subway fault data is gathered automatically in each iron compartment that saves land of error correction device two described vehicle carried data collecting devices is set; Described vehicle carried data collecting device has three data collection points, and by RS232 communication modes image data.
The vehicle carried data collecting device that described subway fault data is gathered error correction device automatically is divided into five types, be respectively: first data acquisition unit, second data acquisition unit, the 3rd data acquisition unit, the 4th data acquisition unit, the 5th data acquisition unit, wherein, first data acquisition unit is responsible for gathering the ACU data of subway, second data acquisition unit is responsible for gathering the DBU of subway, the BECU data, the 3rd data acquisition unit is responsible for gathering the CCU of subway, ACU, the BECU data, the 4th data acquisition unit is responsible for gathering the TCU of subway, the DBU data, the 5th data acquisition unit is responsible for gathering the ACU of subway, the BECU data.
Described subway fault data is gathered the vehicle carried data collecting device of error correction device automatically and is realized exchanges data by RS485 communication modes and described vehicle-mounted mobile wireless transceiver; Described ground stationary radio transceivers realizes exchanges data by RS485 communication modes and described rear end control PC.
The wireless data transmission module that described subway fault data is gathered error correction device automatically adopts half-duplex wireless communication, transparent data-interface is provided, and has chnnel coding error correction and house dog real-time monitoring and control.
Shown in Figure 1 is the automatic data collection unit in single-unit compartment, comprises No. 1 collector in the subway carriage, No. 2 collectors and onboard wireless transceiver, is positioned at the platform wireless transceiver and the computer terminal at station.Wherein, No. 1 collector and No. 2 collectors are realized exchanges data by RS485 communication modes and onboard wireless transceiver; The onboard wireless transceiver is realized exchanges data by the mode and the platform wireless transceiver of wireless telecommunications; The platform wireless transceiver is connected with the computer terminal by the RS485 communication modes.
Shown in Figure 2 is the interface schematic diagram of No. 1 collector and No. 2 collectors.No. 1 collector is responsible for gathering subway carriage TCU, DBU, three service datas of ACU, and its No. 1 collection point links to each other with compartment TCU data-interface, and No. 2 the collection point links to each other with compartment DBU data-interface, and No. 3 the collection point links to each other with compartment ACU data-interface.No. 2 collector is responsible for gathering two service datas of subway carriage CCU, BECU, and its No. 1 collection point links to each other with compartment CCU data-interface, and No. 2 the collection point links to each other No. 3 collection point vacancies with compartment BECU data-interface.The connection of each collection point all adopts RS232 communication transmission, No. 1 pin ground connection of RS232 communication interface, and No. 2 pin meets TXD, and No. 3 pin meets RXD.The connection of the data output of collector adopts RS485 communication transmission, and its No. 1 pin is A, and No. 2 pins are B, No. 3 pin vacancies, and its communication baud rate is 115.2K, supports 8 bit data, there is a position of rest no parity check position.No. 1 pin of the power interface of collector meets DC+110V, and No. 2 pin meets DC0V, No. 3 pin vacancies.
Shown in Figure 3 is onboard wireless transceiver interface schematic diagram.The onboard wireless transceiver mainly is responsible for the operation of No. 1 collector of control and No. 2 collectors, and receives the data that collect by the RS485 communication modes, carries out relevant data by its inner radio receiving transmitting module and platform wireless transceiver again and exchanges.The onboard wireless transceiver has 2 RS485 interfaces and 1 power interface.Wherein, 2 RS485 interfaces link to each other with the data output of No. 1 collector and No. 2 collectors respectively.No. 1 pin of RS485 interface is A, and No. 2 pins are B, No. 3 pin vacancies, and its communication baud rate is 115.2K, supports 8 bit data, there is 1 position of rest the no parity check position.No. 1 pin of the power interface of onboard wireless transceiver meets DC+110V, and No. 2 pin meets DC0V, No. 3 pin vacancies.The onboard wireless transceiver adopts the UHF wireless data transmission module of 400M, and its communication baud rate is 115.2K, supports 8 bit data, and there is 1 position of rest the no parity check position.
Shown in Figure 4 is platform wireless transceiver interface schematic diagram.The platform wireless transceiver mainly carries out data with the onboard wireless transceiver and exchanges: the first, and by the RS485 communication, the dependent instruction of receiving terminal computer, and be transmitted to the onboard wireless transceiver; The second, the related data of reception onboard wireless transceiver by the RS485 communication, sends to the user terminal computer to relevant data.The platform wireless transceiver has 1 RS485 interface and 1 power interface.Wherein, the RS485 interface links to each other with the computer terminal, and its No. 1 pin is A, and No. 2 pins are B, No. 3 pin vacancies, and its communication baud rate is 115.2K, supports 8 bit data, there is 1 position of rest the no parity check position.No. 1 pin of the power interface of platform wireless transceiver meets DC+5V, and No. 2 pin meets DC0V, No. 3 pin vacancies.The platform wireless transceiver adopts the UHF wireless data transmission module of 400M equally, and its communication baud rate is 115.2K, supports 8 bit data, and there is 1 position of rest the no parity check position.
Behind subway AC01, the AC02 type vehicle Hui Ku, the failure data acquisition of vehicle is to rely on manual type to carry out at present.And then the fault file analyzed and handle, just can carry out troubleshooting at last.Exist workload big, because of the people is the untimely defective of collection of makeing mistakes and causing, can not satisfy the present situation of city underground traffic circulation.At the present situation of present AC01, AC02 vehicle, the utility model is applied in AC01, the AC02 vehicle below.
By to AC01, a large amount of technical Analysis of AC02 vehicle, adopt advanced ATmage128/128L single-chip microcomputer and SM46 wireless data transmission module technology to constitute embedded system, be combined into subway AC01/AC02 vehicle fault data and gather error correction device automatically.
As shown in Figure 5, the vehicle carried data collecting device that 6 models are arranged, vehicle-mounted mobile wireless transceiver, ground stationary radio transceivers constitute, reach the fault data of rear end control PC and the 6 joint marshallings of terminal server formation subway AC01/AC02 vehicle and gather error correction device automatically.
Because AC01, AC02 vehicle are divided into A, B, three sub-vehicles of C, the failure data acquisition mouth difference of each sub-vehicle, and be in the left and right sides in compartment.At such present situation,, 6 kinds of different data acquisition units have been designed in line with the design principle of modularized design, high reliability.Be divided into: A1 data acquisition unit, A2 data acquisition unit, B1 data acquisition unit, B2 data acquisition unit, C1 data acquisition unit, C2 data acquisition unit.
The function of each model data acquisition unit is as follows:
A1 data acquisition unit: the ACU data of being responsible for gathering the A car
A2 data acquisition unit: DBU, the BECU data of being responsible for gathering the A car
B1 data acquisition unit: CCU, ACU, the BECU data of being responsible for gathering the B car
B2 data acquisition unit: TCU, the DBU data of being responsible for gathering the B car
C1 data acquisition unit: ACU, the BECU data of being responsible for gathering the C car
C2 data acquisition unit: TCU, the DBU data of being responsible for gathering the C car
2 data collectors of every joint vehicle carry out exchanges data by RS485 communication modes and onboard wireless transceiver separately.
Shown in Figure 6 is the structured flowchart of vehicle carried data collecting device.By to AC01, a large amount of technical Analysis of AC02 vehicle, determine to adopt the Controlled CPU of ATMAGE128/128L single-chip microcomputer as this unit.Its main feature is, has non-interfering asynchronous communication port, and its asynchronous communication baud rate can reach 250K, can guarantee the communication need of AC01, AC02 vehicle asynchronous communication 115.2K baud rate fully.
For guaranteeing the data smoothness of asynchronous communication, this equipment adopts the 115.2K baud rate in inner asynchronous communication decision, and internal communication comprises wireless telecommunications, RS485 communication.
For improving the antijamming capability of communication, the RS485 communication modes is adopted in decision.The USART0 that selects the ATMAGE128/128L single-chip microcomputer is as the internal communication port, and the SN65HVD07 chip is as the RS485 driver.
Need connect the requirement of a plurality of compartments FPDP at a data collector, adopt the FST3253 chip as the multichannel data electronic switch, the MAX207IDW chip is as the RS232 driver.Such hardware designs can satisfy the communication of multichannel RS232, and reaches non-interfering designing requirement.The USART1 that selects the ATMAGE128/128L single-chip microcomputer is as the data acquisition port, and the PC mouth is as the control interface of multichannel data electronic switch.
At the characteristics of power supply of AC01, AC02 vehicle, for guaranteeing the anti-power supply jamming performance of equipment, adopt the DC/DC power module, DC110V is converted to DC5V, supply equipment uses.
Vehicle-mounted mobile wireless transceiver adopts the SM46 wireless data transmission module as wireless transmit/receive units, and the ATMAGE128/128L single-chip microcomputer is as Controlled CPU, and the 24LC512 chip is as data storage.
Shown in Figure 7 is the structured flowchart of vehicle-mounted mobile wireless transceiver.The USARTO that selects the ATMAGE128/128L single-chip microcomputer is as the internal communication port, and the SN65HVD07 chip is as the RS485 driver, and its baud rate is 115.2K.
Select the asynchronous communication interface of the USART1 of ATMAGE128/128L single-chip microcomputer as wireless data transmission module, its baud rate is 115.2K.
The Transmission bit rate of SM46 wireless data transmission module is 115.2K.
Select the TWI port of ATMAGE128/128L single-chip microcomputer to link to each other with data storage.It stores baud rate is 200K.
At the characteristics of power supply of AC01, AC02 vehicle, for guaranteeing the anti-power supply jamming performance of equipment, adopt the DC/DC power module, DC110V is converted to DC5V, supply equipment uses.
The structure of ground stationary radio transceivers and vehicle-mounted mobile wireless transceiver configuration are basic identical.Consider that the mode of power supply power supply distinguishes, thus the directly mode of unified power supply of DC5V adopted, with the minimizing system cost.Its structured flowchart as shown in Figure 8.
The wireless telecommunications of present embodiment are mainly born by the SM46 wireless data transmission module.The SM46 wireless data transmission module adopts ISM all band communication.Its main feature is as follows:
1. medium transmitting power
The transmitting power of SM46 wireless data transmission module is 30dbm (1000mW).
2. complete ISM band operating frequency covering the whole world meets global ISM band communication standard, need not to apply for frequency.
3. multichannel, many speed.
Power ISM all band wireless communication module has all size in the SM46 type, can provide a plurality of channels to communicate.
4. perfect communications protocol, data in real time communication.
The SM46 wireless data transmission module adopts half-duplex wireless communication, can real-time tranception communication.
5. long transmission distance.
Under the sighting distance situation, antenna height＞1.5 meter, antenna gain is 3dBi, reliable transmission distance＞4000m (BER=10-3/9600bps).
6. transparent transfer of data.
Transparent data-interface is provided, can adapts to any standard or off-gauge User Agreement.The noise signal of aerial generation and false data (send out promptly receive) are fallen in automatic fitration.
7. high anti-jamming capacity and low error rate.
The GFSK modulation system adopts efficient forward error correction channel technology, has improved the ability of anti-bursty interference of data and random disturbances, and when channel bit error rate was 10-3, can obtain the actual error rate was 10-5～10-6.
8. high-speed radio communication and big data buffer zone.
Can transmit the data of indefinite length for 1 time, support 8 bit data, 9 bit data positions are arranged, support several data forms such as 8N1/8E1/8O1, make user program more flexible.
9. high reliability, volume is little, in light weight.
Adopt monolithic radio frequency integrated circuit and high-performance monolithic processor, peripheral circuit is few, the reliability height, and failure rate is low, is suitable for Embedded assembling.
10. house dog is monitored in real time.
The inner house dog of MCU is also monitored radio frequency chip, even radio frequency chip disturbed (thunderous electrical interference) also can restart except monitoring voluntarily operation conditions.Changed the fatal problem of present wireless telecommunications industry, this product is never crashed.
The technical characteristic of SM46 wireless data transmission module has determined this module that 16 mutually non-interfering communication channels can be provided.For the design provides reliable wireless telecommunications guarantee.
Present embodiment has been arranged 2 wireless telecommunications passages (distinguishing the uplink and downlink of railcar) to each onboard wireless transceiver.The terrestrial wireless transceiver respectively distributes a wireless telecommunications passage.When satisfying the vehicle uplink and downlink of organizing into groups, can carry out wireless data transceiving simultaneously with 8 joints.
Rear end control PC and terminal server, adopt the computer of the marketization to constitute hardware components, adopt suitable software language, program, in order to each headend equipment of control system (comprising vehicle carried data collecting device, vehicle-mounted mobile wireless transceiver and ground stationary radio transceivers), the fault data that storage collects is in order to the analysis-by-synthesis of data.As adopting the operation interface of user's hyper terminal debugging software (elfin) as terminal, with 16 systems as data message.
When gathering the TCU data,, send TCU acquisition controlling code (80H) in the mode of 16 systems from the data output window of user's hyper terminal debugging software.Under the normal situation, the TCU data that acquisition system collects answer: the version number of 5 bytes; The vehicle number of 11 bytes; Relevant fault data, its data length is indefinite, and (AAH) finishes to transmit with 16 systems (19H).If what receive is (85H) data of 16 systems, then expression, data acquisition failure.
When gathering the DBU data,, send DBU acquisition controlling code (81H) in the mode of 16 systems from the data output window of user's hyper terminal debugging software.Under the normal situation, the BDU data that acquisition system collects answer.Its data length fixed length, and be terminating symbol with 16 systems (AAH).If what receive is (85H) data of 16 systems, then expression, data acquisition failure.
When gathering the ACU data,, send DBU acquisition controlling code (82H) in the mode of 16 systems from the data output window of user's hyper terminal debugging software.Under the normal situation, the ACU data that acquisition system collects answer: the vehicle number of 11 bytes; The uncertain failure code of data length, and be the ED code with 16 systems (AAH).If what receive is (85H) data of 16 systems, then expression, data acquisition failure.
When gathering the CCU data,, send CCU acquisition controlling code (83H) in the mode of 16 systems from the data output window of user's hyper terminal debugging software.Under the normal situation, the CCU data that acquisition system collects answer: the version number of 6 bytes; The vehicle number of 8 bytes; Relevant fault data, its data length is indefinite, and (AAH) finishes to transmit with 16 systems (19H).If what receive is (85H) data of 16 systems, then expression, data acquisition failure.
When gathering the BECU data,,, send BECU acquisition controlling code (84H) in the mode of 16 systems from the data output window of user's hyper terminal debugging software.Under the normal situation, the BECU data that acquisition system collects answer are to begin as data with these 4 bytes of 16 systems (1BH, 59H, 21H, 20H), and data length is uncertain, with these 3 bytes of 16 systems (20H, 20H, 20H) as ED.If (85H) data of 16 systems that receive, then expression, data acquisition failure.
Be not difficult to find, the utility model can be followed the communications protocol rule of AC01/AC02 vehicle failure data acquisition mouth fully, by instruction AC01/AC02 vehicle TCU, DBU, 5 vehicle operation data of ACU CCU, BECU are gathered, the realization fault data is gathered error correction automatically. Artificial " collection fault data " changed into automation " collection fault data ", personnel's labour intensity is reduced, artificial " fault data " that change present urban railway transit train gathered and analyzed, and then carries out the backward situation of inspection and maintenance. The more important thing is its immediately discovery accident and fault-signal, the probability that accident takes place is controlled in the controlled range. Realize nobody collection of getting on the bus, automatically carry out data analysis and in time export Trouble Report, for the maintenance personal in time provides the foundation of repair and maintenance, improved the reparation speed of train fault, guaranteed the normal operation security of train. The advantages such as the utility model also has safe and reliable, can use 50,000 hours fault-free, and volume is little, and is easy for installation.
Claims (6)
1. a subway fault data is gathered error correction device automatically, comprise vehicle carried data collecting device, vehicle-mounted mobile wireless transceiver, ground stationary radio transceivers, rear end control PC and terminal server, it is characterized in that described vehicle carried data collecting device and vehicle-mounted mobile wireless transceiver are positioned on the subway carriage; Described ground stationary radio transceivers, rear end control PC and terminal server are arranged in station or garage; Described vehicle carried data collecting device is connected with described vehicle-mounted mobile wireless transceiver, is used to gather the service data of subway; Described vehicle-mounted mobile wireless transceiver adopts wireless communication mode and described ground stationary radio transceivers to realize exchanges data; Described ground stationary radio transceivers is connected with described rear end control PC; Described rear end control PC is connected with described terminal server; Described rear end control PC is used to control described vehicle carried data collecting device, vehicle-mounted mobile wireless transceiver and ground stationary radio transceivers; The data that the storage of collected that is used for described terminal server arrives.
2. subway fault data according to claim 1 is gathered error correction device automatically, it is characterized in that described vehicle carried data collecting device, vehicle-mounted mobile wireless transceiver and ground stationary radio transceivers all adopt Chip Microcomputer A tmage128/128L as its Controlled CPU; Described vehicle-mounted mobile wireless transceiver and ground stationary radio transceivers adopt and its wireless data transmission module realization wireless telecommunications between the two of linking to each other of Chip Microcomputer A tmage128/128L separately; Described vehicle-mounted mobile wireless transceiver has two wireless telecommunications passages; Described ground stationary radio transceivers has a wireless telecommunications passage.
3. subway fault data according to claim 1 is gathered error correction device automatically, it is characterized in that, in described each iron compartment that saves land two described vehicle carried data collecting devices is set; Described vehicle carried data collecting device has three data collection points, and by RS232 communication modes image data.
4. subway fault data according to claim 1 is gathered error correction device automatically, it is characterized in that, described vehicle carried data collecting device is divided into five types, be respectively: first data acquisition unit, second data acquisition unit, the 3rd data acquisition unit, the 4th data acquisition unit, the 5th data acquisition unit, wherein, first data acquisition unit is responsible for gathering the ACU data of subway, second data acquisition unit is responsible for gathering the DBU of subway, the BECU data, the 3rd data acquisition unit is responsible for gathering the CCU of subway, ACU, the BECU data, the 4th data acquisition unit is responsible for gathering the TCU of subway, the DBU data, the 5th data acquisition unit is responsible for gathering the ACU of subway, the BECU data.
5. subway fault data according to claim 1 is gathered error correction device automatically, it is characterized in that, described vehicle carried data collecting device is realized exchanges data by RS485 communication modes and described vehicle-mounted mobile wireless transceiver; Described ground stationary radio transceivers realizes exchanges data by RS485 communication modes and described rear end control PC.
6. subway fault data according to claim 2 is gathered error correction device automatically, it is characterized in that, described wireless data transmission module adopts half-duplex wireless communication, transparent data-interface is provided, and has chnnel coding error correction and house dog real-time monitoring and control.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103067124A (en) * | 2012-12-17 | 2013-04-24 | 上海应用技术学院 | Emulation proof method of train signal channel multi-code-rate hybrid encoding and decoding hardware |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103067124A (en) * | 2012-12-17 | 2013-04-24 | 上海应用技术学院 | Emulation proof method of train signal channel multi-code-rate hybrid encoding and decoding hardware |
| CN103067124B (en) * | 2012-12-17 | 2015-09-30 | 上海应用技术学院 | Train signal channel multi code Rate of Chinese character mixed compiling code simulation hardware verification method |
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