CN201628748U - On-board device for detecting performance of AEI - Google Patents
On-board device for detecting performance of AEI Download PDFInfo
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- CN201628748U CN201628748U CN2009202599905U CN200920259990U CN201628748U CN 201628748 U CN201628748 U CN 201628748U CN 2009202599905 U CN2009202599905 U CN 2009202599905U CN 200920259990 U CN200920259990 U CN 200920259990U CN 201628748 U CN201628748 U CN 201628748U
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Abstract
The utility model discloses an on-board device for detecting performance of AEI. The technical problem to be solved is as follows: the working condition of AEI equipment can be dynamically detected and judged. In the utility model, the on-board device for detecting the performance of AEI is provided with a controlling machine and a measuring machine in a carriage of a detecting vehicle, wherein the controlling machine is used for processing and displaying the detection data; the measuring machine is used for receiving the signal to be detected; and the controlling machine is connected with the communication port of the measuring machine by an RS-232 serial port. Compared with the prior art, the on-board device for detecting the performance of AEI is arranged on the detecting vehicle, the radio-frequency radiation field intensity and frequency of the AEI equipment and the direction angle and acting scope of the AEI antenna can be detected in the running process, the capability of the AEI equipment on reading electronic labels can be detected, whether the AEI equipment works normally or not can be quickly diagnosed, and the on-board device is applicable to dynamic performance detection of AEI equipment of various types.
Description
Technical field
The utility model relates to a kind of pick-up unit of train automatic identification equipment, particularly a kind of automatic identification equipment device for detecting performance that is loaded on the inspection vehicle.
Background technology
Automatic train identification system utilization comprehensively in china railway plays an important role to railway transport administration.Ground automatic identification equipment AEI is the key equipment of this system, the good and bad reliable and stable work that directly influences this system of its performance.Each AEI website along the railway but AEI equipment all distributes again, infield disperse, and environmental facies are to badly.For operating AEI equipment, need personnel to arrive at the erecting stage and carry out Performance Detection, can not be in real time, the concentrated area reflects the duty of each AEI site apparatus.
Summary of the invention
The purpose of this utility model provides a kind of vehicle-mounted AEI device for detecting performance, and the technical matters that solve is that the duty of AEI equipment is carried out detection of dynamic and judgement.
The utility model is by the following technical solutions: a kind of vehicle-mounted AEI device for detecting performance, described vehicle-mounted AEI device for detecting performance is provided with controller and measuring machine in the inspection vehicle compartment, controller is used to detect the processing and the demonstration of data, measuring machine is used to receive measured signal, and controller is connected with the communication interface of measuring machine by the RS-232 Serial Port Line.
Measuring machine of the present utility model is provided with single-chip microcomputer, single-chip microcomputer connects RF processing unit, field programmable gate array, house dog and reset circuit, serial communication unit, label programming unit respectively, RF processing unit and upload data demodulation unit and meet FPGA respectively, the serial communication unit connects data radio station module and GPS module respectively, and power module is data radio station module, GPS module and described each element circuit power supply.
Controller of the present utility model adopts and grinds auspicious industrial computer IPC-810B.
Single-chip microcomputer of the present utility model is connected with indicator unit.
Electronic tag is installed at the bottom of the inspection vehicle car of the present utility model and measures receiving antenna, electronic tag is connected with the label interface of measuring machine by heptcable, measures receiving antenna and is connected with the RF input interface of measuring machine by radio-frequency cable; Described inspection vehicle roof is equipped with gps antenna and data radio station antenna, and gps antenna is connected with the gps antenna interface of measuring machine by radio-frequency cable, and the data radio station antenna is connected with the data radio station antennal interface of measuring machine by radio-frequency cable.
The RF input interface J1 of RF processing unit of the present utility model links to each other with 1 pin of power splitter U1 by the 5th resistance, 2 pin of power splitter U1 link to each other with 1 pin of frequency divider U2 by first electric capacity, 4 pin of frequency divider U2 link to each other with reshaper by the 13 electric capacity, and the reshaper output terminal links to each other with RF output interface J3 by the 14 electric capacity; 3 pin of power splitter U1 link to each other with 1 pin of balun W1 by the 6th resistance, the 8th electric capacity of series connection, uneven transformation W1) 4 pin link to each other with 4 pin of power detector U3 through the 3rd electric capacity, 3 pin of balun W1 link to each other with 5 pin of power detector U3 through the 4th electric capacity, and 12 pin of power detector U3 link to each other with the single-chip processor i/o port.
Reshaper of the present utility model is made up of the 4th A operational amplifier U4A that is connected in series, the 4th D operational amplifier U4D.
The data-signal of uploading of uploading that data demodulation unit receives of the present utility model is sent into 6 pin of RS-485 transceiver U18, is sent into 7 pin of U18 by UP_485B through the 4th diode through the 5th diode by UP_485A, RS-485 transceiver U18 output upload data-signal exports phaselocked loop U20 to from 1 pin 14 pin, phaselocked loop U20 carries out demodulation to uploading data-signal, uploading after the demodulation exported to FPGA data-signal is sent into comparer U19 shaping after two-stage amplifier amplifies after and decoded, and frequency divider U21 can adjust the VCO frequency of phaselocked loop U20.
Communication has five road signals between label programming unit of the present utility model and the electronic tag, links to each other by label interface J12; The I/O port of single-chip microcomputer is exported TAG_CLK, TAG_CS, TAG_DI, TAG_EN signal respectively, input TAG_DO signal; The TAG_CLK signal is output CLK signal after (U14A) amplifies, the TAG_CS signal is output CS signal after the 14 B drive U14B amplifies, the TAG_DI signal is output DI signal after the 14 c drive U14C amplifies, the TAG_EN signal is output EN signal after the 14 D driver U14D amplifies, and the DO signal forms the TAG_DO signal through the 15 A amplifier U15A, the 15 B amplifier U15B by series connection after forming the reshaper shaping; CS signal, CLK signal respectively with the UP_485A that uploads data demodulation unit, the shared same passage of UP_485B differential signal, contact action by pilot relay K2 is switched, the collector of line bag one termination second triode of pilot relay K2, one end ground connection, the TAG_EN signal connects the base stage of second triode by the 19 resistance, and the signal end of label interface J12 also is connected to the 11 Transient Suppression Diode TVS array U11.
Serial communication of the present utility model unit has four serial communication interfaces to link to each other with the RS-232 serial ports of controller, 11 pin, 12 pin that the universal asynchronous receiver port output measurement data communication signal TXD0 of single-chip microcomputer, RXD0 send into the 12 RS-232 driving/transceiver U12 are respectively exported DET_TXD, DET_RXD from 14 pin, 13 pin of the 12 RS-232 driving/transceiver U12 respectively after treatment and are sent into the 7th serial communication interface J7; 11 pin, 12 pin that the universal asynchronous receiver UART port output label data communication signal TXD1 of single-chip microcomputer, RXD1 send into the 13 RS-232 driving/transceiver U13 are respectively sent into the 11 serial communication interface J11 from 14 pin, 13 pin output TAG_TXD, the TAG_RXD signal of the 13 RS-232 driving/transceiver U13 respectively after treatment; 10 pin, 9 pin that the universal asynchronous receiver UART interface output gps data communication signal GPS_TX of GPS module, GPS_RX send into the 12 RS-232 driving/transceiver U12 are respectively exported GPS_TXD, GPS_RXD from 7 pin, 8 pin of the 12 RS-232 driving/transceiver U12 respectively after treatment and are sent into the 8th serial communication interface J8; Radio station data communication signal BRO_TXD, the BRO_RXD of the RS-232 interface output of data radio station module directly send into the tenth serial communication interface J10; The signal end of the 7th serial communication interface J7, the 8th serial communication interface J8, the tenth serial communication interface J10, the 11 serial communication interface J11 respectively and be connected to the 7th TVS array U7, the 8th TVS array U8, the 9th TVS array U9, the tenth TVS array U10.
The utility model compared with prior art, the AEI device for detecting performance is loaded on the inspection vehicle, the deflection and the reach of the radio-frequency radiation field intensity by in operational process, detecting AEI equipment, frequency, AEI antenna, and detection AEI equipment reads the ability of electronic tag, whether work that can quick diagnosis AEI equipment is normal, is applicable to that the dynamic property of the AEI equipment of various models detects.
Description of drawings
Fig. 1 is the structured flowchart of the utility model embodiment.
Fig. 2 is the circuit block diagram of the measuring machine of the utility model embodiment.
Fig. 3 is the RF processing unit circuit theory diagrams of the measuring machine of the utility model embodiment.
Fig. 4 be the utility model embodiment measuring machine upload the data demodulation unit circuit theory diagrams.
Fig. 5 is the label programming unit circuit theory diagrams of the measuring machine of the utility model embodiment.
Fig. 6 is the serial communication element circuit schematic diagram of the measuring machine of the utility model embodiment.
Embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail.
As shown in Figure 1, vehicle-mounted AEI device for detecting performance of the present utility model is provided with controller and measuring machine, both are installed in the inspection vehicle compartment, controller is used to detect the processing and the demonstration of data, measuring machine is used to receive measured signal, and controller is connected with the communication interface of measuring machine by the RS-232 Serial Port Line.Electronic tag and measurement receiving antenna are installed at the bottom of the inspection vehicle car, and electronic tag is connected with the label interface of measuring machine by heptcable, measure receiving antenna and are connected with the radio frequency input interface of measuring machine by radio-frequency cable.Global position system GPS antenna and data radio station antenna are installed in the inspection vehicle roof, and gps antenna is connected with the gps antenna interface of measuring machine by radio-frequency cable, and the data radio station antenna is connected with the data radio station antennal interface of measuring machine by radio-frequency cable.
As shown in Figure 2, described measuring machine is provided with single-chip microcomputer, adopt the C8051F020 of SILICON LABORATORIES company, single-chip microcomputer connects RF processing unit, on-site programmable gate array FPGA, indicator unit, house dog and reset circuit, serial communication unit, label programming unit respectively, RF processing unit and upload data demodulation unit and meet FPGA respectively, the serial communication unit connects data radio station module and GPS module respectively, and power module is data radio station module, GPS module and the power supply of each element circuit.
Uploading data demodulation unit will be sent to FPGA after data demodulates is handled from uploading of receiving of ground AEI equipment and decode, RF processing unit is divided into two the tunnel with radiofrequency signal to be measured, one the tunnel is sent to FPGA as the frequency measurement signal carries out frequency counting, one the tunnel is sent to single-chip microcomputer as power measurement signal, FPGA uploads data and frequency count is sent to single-chip microcomputer with decoded, the label programming unit links to each other with single-chip microcomputer by the I/O port of single-chip microcomputer, the label programming data is sent to single-chip microcomputer, single-chip microcomputer by serial communication unit R S-232 serial ports with the decoded data of uploading, frequency count, power measurement signal conversion value and label data signal are sent to controller, the data radio station module is sent to controller with the radio station data communication signal that the data radio station antenna receives by the serial communication unit, the gps data communication signal that the GPS module produces is sent to controller by the serial communication unit, single-chip microcomputer shows control signal by the I/O port through the driver control indicator unit, power module provides+5V, + 12V two-way direct supply is given the data radio station module, GPS module and the power supply of each element circuit.Single-chip microcomputer also is connected with house dog and reset circuit and is used for single-chip microcomputer electrification reset and single-chip microcomputer and resetting when unusual occur.
As shown in Figure 3, the RF input interface J1 of described RF processing unit links to each other with 1 pin of power splitter U1 by the 5th resistance R 5,2 pin of power splitter U1 link to each other with 1 pin of frequency divider U2 by first capacitor C 1,4 pin of frequency divider U2 link to each other with reshaper by the 13 capacitor C 13, and the reshaper output terminal links to each other with RF output interface J3 by the 14 capacitor C 14; 3 pin of power splitter U1 link to each other with 1 pin of balun W1 by the 6th resistance R 6, the 8th capacitor C 8 of series connection, 4 pin of balun W1 link to each other with 4 pin of power detector U3 through the 3rd capacitor C 3,3 pin of balun W1 link to each other with 5 pin of power detector U3 through the 4th capacitor C 4, and 12 pin of power detector U3 link to each other with the single-chip processor i/o port.Reshaper is made up of the 4th A operational amplifier U4A that is connected in series, the 4th D operational amplifier U4D.
Measuring the radiofrequency signal to be measured of receiving antenna reception imports from RF input interface J1, then send into 1 pin of power splitter U1 through R5, power splitter U1 is divided into two-way with radiofrequency signal to be measured, one the road from the output of 2 pin of power splitter U1 as the frequency measurement signal, the frequency measurement signal is sent into 1 pin of frequency divider U2 through C1, frequency divider U2 carries out the frequency measurement signal to export from 4 pin behind 128 frequency divisions, send into reshaper through C13 again, the frequency measurement signal of reshaper output is sent into FPGA through C14 and is carried out frequency counting, FPGA sends frequency count into single-chip microcomputer, and single-chip microcomputer is given controller with frequency count by the serial communication unit and handled; Export as power measurement signal from 3 pin of power splitter U1 on another road, power measurement signal is carried out imbalance/balance conversion through 1 pin that R6, the C8 of series connection sends into balun W1, and the signal after the conversion is sent into 4 pin of power detector U3, sent into 5 pin of power detector U3 from 4 pin of W1 through C4 through C3 from 3 pin of W1; Power detector U3 is from one of 12 pin output and the corresponding DC voltage of input signal power, and this DC voltage is given single-chip microcomputer and carried out the A/D conversion, and conversion value is given controller by the serial communication unit again and handled.
As shown in Figure 4, ground AEI equipment upload data-signal is sent into RS-485 transceiver U18 through the 5th diode D5 by UP_485A 6 pin, send into 7 pin of RS-485 transceiver U18 through the 4th diode D4 by UP_485B, U18 output upload data-signal exports phaselocked loop U20 to from 1 pin 14 pin, phaselocked loop U20 carries out demodulation to uploading data-signal, uploading after the demodulation exported to FPGA data-signal is sent into comparer U19 shaping after two-stage amplifier amplifies after and decoded, the decoded data of uploading are sent to single-chip microcomputer by FPGA, and single-chip microcomputer is given controller by the serial communication unit again and handled.Frequency divider U21 can adjust the VCO frequency of phaselocked loop U20.
As shown in Figure 5, communication has five road signals between described label programming unit and the electronic tag, and promptly CLK, EN, CS, DO, DI link to each other by label interface J12; The I/O port of single-chip microcomputer is exported TAG_CLK, TAG_CS, TAG_DI, TAG_EN signal respectively, input TAG_DO signal; The TAG_CLK signal is output CLK signal after the 14 A driver U14A amplifies, the TAG_CS signal is output CS signal after the 14 B drive U14B amplifies, the TAG_DI signal is output DI signal after the 14 c drive U14C amplifies, TAG_EN is output EN signal after the 14 D driver U14D amplifies, and the DO signal forms the TAG_DO signal through the 15 A amplifier U15A, the 15 B amplifier U15B by series connection after forming the reshaper shaping; CS signal, CLK signal respectively with the UP_485A that uploads data demodulation unit, the shared same passage of UP_485B differential signal, contact action by pilot relay K2 is switched, the collector of the line bag one termination second triode Q2 of K2, one end ground connection, the TAG_EN signal connects the base stage of Q2 by R19, the break-make of control Q2 is controlled the action of K2 then; The signal end of label interface J12 also is connected to the 11 Transient Suppression Diode TVS array U11, disturbs with transient suppression.
As shown in Figure 6, described serial communication unit has four serial communication interfaces to link to each other with the RS-232 serial ports of controller, i.e. the 7th serial communication interface J7, the 8th serial communication interface J8, the tenth serial communication interface J10, the 11 serial communication interface J11.11 pin, 12 pin that the universal asynchronous receiver UART port output measurement data communication signal TXD0 of single-chip microcomputer, RXD0 send into the 12 RS-232 driving/transceiver U12 are respectively exported DET_TXD, DET_RXD from 14 pin, 13 pin of U12 respectively after treatment and are sent into J7; 11 pin, 12 pin that the UART port output label data communication signal TXD1 of single-chip microcomputer, RXD1 send into the 13 RS-232 driving/transceiver U13 are respectively sent into J11 from 14 pin, 13 pin output TAG_TXD, the TAG_RXD signal of U13 respectively after treatment; 10 pin, 9 pin that the UART interface output gps data communication signal GPS_TX of GPS module, GPS_RX send into U12 are respectively exported GPS_TXD, GPS_RXD from 7 pin, 8 pin of U12 respectively after treatment and are sent into J8; Radio station data communication signal BRO_TXD, the BRO_RXD of the RS-232 interface output of data radio station module directly send into J10.The signal end of J7, J8, J10, J11 disturbs with transient suppression respectively and be connected to the 7th TVS array U7, the 8th TVS array U8, the 9th TVS array U9, the tenth TVS array U10.
Controller of the present utility model adopts and grinds auspicious industrial computer IPC-810B, supports multi-serial ports communication.
The utility model is used to detect the duty of railway AEI site apparatus along the line, its course of work is: when inspection vehicle process AEI website, measure the radiation signal of receiving antenna reception from ground AEI antenna, the radiofrequency signal to be measured that receives is sent into measuring machine and is handled, frequency count after the processing, the conversion value of power measurement signal are given controller by serial ports and are handled, radio-frequency radiation field intensity, the frequency of ground AEI equipment be can draw after the processing, and the deflection and the reach of ground AEI antenna calculated by controller.In addition, when the radiofrequency signal of ground AEI equipment during through the electronic tag of ground AEI antenna irradiation to inspection vehicle, electronic tag can receive the data of uploading of ground AEI equipment, and send measuring machine to and handle, giving controller by the RS-232 serial ports again handles, ground AEI equipment can be read the information that writes in the electronic tag from the echoed signal of reflection simultaneously, and after it is mail to uphole equipment and handles, mail to data radio station in the measuring machine by the ground data radio station through the on-air radio channel, giving controller by the RS-232 serial ports again handles, controller can be judged the ability that AEI equipment reads electronic tag by the analysis facing to two signals.GPS module in the measuring machine receives locating information and measures train running speed by the gps antenna that is installed in the inspection vehicle roof, and measurement data is given the controller processing by the RS-232 serial ports and shown.During test, running control software on the controller, test data can be stored, prints, be inquired about.
Vehicle-mounted AEI device for detecting performance of the present utility model is loaded on the inspection vehicle, by in operational process, detecting the deflection and the reach of radio-frequency radiation field intensity, frequency and the ground AEI antenna of AEI equipment, and detection AEI equipment reads the ability of electronic tag, whether work that can quick diagnosis AEI equipment is normal, for administrative authority provides AEI facility information accurately and effectively.
Claims (10)
1. vehicle-mounted AEI device for detecting performance, it is characterized in that: described vehicle-mounted AEI device for detecting performance is provided with controller and measuring machine in the inspection vehicle compartment, controller is used to detect the processing and the demonstration of data, measuring machine is used to receive measured signal, and controller is connected with the communication interface of measuring machine by the RS-232 Serial Port Line.
2. vehicle-mounted AEI device for detecting performance according to claim 1, it is characterized in that: described measuring machine is provided with single-chip microcomputer, single-chip microcomputer connects RF processing unit, field programmable gate array, house dog and reset circuit, serial communication unit, label programming unit respectively, RF processing unit and upload data demodulation unit and meet FPGA respectively, the serial communication unit connects data radio station module and GPS module respectively, and power module is data radio station module, GPS module and described each element circuit power supply.
3. vehicle-mounted AEI device for detecting performance according to claim 2 is characterized in that: described controller adopts and grinds auspicious industrial computer IPC-810B.
4. vehicle-mounted AEI device for detecting performance according to claim 3, it is characterized in that: described single-chip microcomputer is connected with indicator unit.
5. vehicle-mounted AEI device for detecting performance according to claim 4, it is characterized in that: electronic tag is installed at the bottom of the described inspection vehicle car and measures receiving antenna, electronic tag is connected with the label interface of measuring machine by heptcable, measures receiving antenna and is connected with the RF input interface of measuring machine by radio-frequency cable; Described inspection vehicle roof is equipped with gps antenna and data radio station antenna, and gps antenna is connected with the gps antenna interface of measuring machine by radio-frequency cable, and the data radio station antenna is connected with the data radio station antennal interface of measuring machine by radio-frequency cable.
6. vehicle-mounted AEI device for detecting performance according to claim 5, it is characterized in that: the RF input interface (J1) of described RF processing unit links to each other with 1 pin of power splitter (U1) by the 5th resistance (R5), 2 pin of power splitter (U1) link to each other with 1 pin of frequency divider (U2) by first electric capacity (C1), 4 pin of frequency divider (U2) link to each other with reshaper by the 13 electric capacity (C13), and the reshaper output terminal links to each other with RF output interface (J3) by the 14 electric capacity (C14); 3 pin of power splitter (U1) link to each other with 1 pin of balun (W1) by the 6th resistance (R6), the 8th electric capacity (C8) of series connection, 4 pin of balun (W1) link to each other through 4 pin of the 3rd electric capacity (C3) with power detector (U3), 3 pin of balun (W1) link to each other through 5 pin of the 4th electric capacity (C4) with power detector (U3), and 12 pin of power detector (U3) link to each other with the single-chip processor i/o port.
7. vehicle-mounted AEI device for detecting performance according to claim 6 is characterized in that: described reshaper is made up of the 4th A operational amplifier (U4A) that is connected in series, the 4th D operational amplifier (U4D).
8. vehicle-mounted AEI device for detecting performance according to claim 7, it is characterized in that: describedly upload data-signal is sent into RS-485 transceiver (U18) through the 5th diode (D5) by UP_485A 6 pin of uploading that data demodulation unit receives, send into 7 pin of RS-485 transceiver (U18) through the 4th diode (D4) by UP_485B, RS-485 transceiver (U18) output upload data-signal exports phaselocked loop (U20) to from 1 pin 14 pin, phaselocked loop (U20) carries out demodulation to uploading data-signal, uploading after the demodulation exported to FPGA data-signal is sent into comparer (U19) shaping after two-stage amplifier amplifies after and decoded, and frequency divider (U21) can be adjusted the VCO frequency of phaselocked loop (U20).
9. vehicle-mounted AEI device for detecting performance according to claim 8 is characterized in that: communication has five road signals between described label programming unit and the electronic tag, meets (J12) by label and links to each other; The I/O port of single-chip microcomputer is exported TAG_CLK, TAG_CS, TAG_DI, TAG_EN signal respectively, input TAG_DO signal; The TAG_CLK signal is output CLK signal after (U14A) amplifies, the TAG_CS signal is output CS signal after the 14 B drive (U14B) amplifies, the TAG_DI signal is output DI signal after the 14 c drive (U14C) amplifies, the TAG_EN signal is output EN signal after the 14 D driver (U14D) amplifies, and the DO signal forms the TAG_DO signal through the 15 A amplifier (U15A), the 15 B amplifier (U15B) by series connection after forming the reshaper shaping; CS signal, CLK signal respectively with the UP_485A that uploads data demodulation unit, the shared same passage of UP_485B differential signal, contact action by pilot relay (K2) is switched, the collector of line bag one termination, second triode (Q2) of pilot relay (K2), one end ground connection, the TAG_EN signal is by the base stage of the 19 resistance (R19) connection second triode (Q2), and the signal end of label interface (J12) also is connected to the 11 Transient Suppression Diode TVS array (U11).
10. vehicle-mounted AEI device for detecting performance according to claim 9, it is characterized in that: described serial communication unit has four serial communication interfaces to link to each other with the RS-232 serial ports of controller, 11 pin, 12 pin that the universal asynchronous receiver port output measurement data communication signal TXD0 of single-chip microcomputer, RXD0 send into the 12 RS-232 driving/transceiver (U12) are respectively exported DET_TXD, DET_RXD from 14 pin, 13 pin of the 12 RS-232 driving/transceiver (U12) respectively after treatment and are sent into the 7th serial communication interface (J7); The universal asynchronous receiver of single-chip microcomputer (UART) port output label data communication signal TXD1, RXD1 send into 11 pin, 12 pin of the 13 RS-232 driving/transceiver (U13) respectively, send into the 11 serial communication interface (J11) from 14 pin, 13 pin output TAG_TXD, the TAG_RXD signal of the 13 RS-232 driving/transceiver (U13) respectively after treatment; The universal asynchronous receiver of GPS module (UART) interface output gps data communication signal GPS_TX, GPS_RX send into 10 pin, 9 pin of the 12 RS-232 driving/transceiver (U12) respectively, export GPS_TXD, GPS_RXD from 7 pin, 8 pin of the 12 RS-232 driving/transceiver (U12) respectively after treatment and send into the 8th serial communication interface (J8); Radio station data communication signal BRO_TXD, the BRO_RXD of the RS-232 interface output of data radio station module directly send into the tenth serial communication interface (J10); The signal end of the 7th serial communication interface (J7), the 8th serial communication interface (J8), the tenth serial communication interface (J10), the 11 serial communication interface (J11) respectively and be connected to the 7th TVS array (U7), the 8th TVS array (U8), the 9th TVS array (U9), the tenth TVS array (U10).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202599905U CN201628748U (en) | 2009-12-31 | 2009-12-31 | On-board device for detecting performance of AEI |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009202599905U CN201628748U (en) | 2009-12-31 | 2009-12-31 | On-board device for detecting performance of AEI |
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| CN201628748U true CN201628748U (en) | 2010-11-10 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103091694A (en) * | 2011-10-28 | 2013-05-08 | 上海宝信软件股份有限公司 | Monitoring device and system of movable radioactive source |
| CN104724141A (en) * | 2015-04-01 | 2015-06-24 | 北京交通大学 | Vehicle-mounted non-contact transponder programming device and vehicle-mounted transponder programming method |
| CN107248288A (en) * | 2017-06-28 | 2017-10-13 | 北京易华录信息技术股份有限公司 | A kind of vehicle fault detection method and device based on vehicle electron identifying |
| CN107481524A (en) * | 2017-06-28 | 2017-12-15 | 北京易华录信息技术股份有限公司 | A kind of vehicle restricted driving method and device based on vehicle electron identifying |
-
2009
- 2009-12-31 CN CN2009202599905U patent/CN201628748U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103091694A (en) * | 2011-10-28 | 2013-05-08 | 上海宝信软件股份有限公司 | Monitoring device and system of movable radioactive source |
| CN104724141A (en) * | 2015-04-01 | 2015-06-24 | 北京交通大学 | Vehicle-mounted non-contact transponder programming device and vehicle-mounted transponder programming method |
| CN107248288A (en) * | 2017-06-28 | 2017-10-13 | 北京易华录信息技术股份有限公司 | A kind of vehicle fault detection method and device based on vehicle electron identifying |
| CN107481524A (en) * | 2017-06-28 | 2017-12-15 | 北京易华录信息技术股份有限公司 | A kind of vehicle restricted driving method and device based on vehicle electron identifying |
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