CN202956808U - Track railroad grade crossing equipment operation state recorder - Google Patents
Track railroad grade crossing equipment operation state recorder Download PDFInfo
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- CN202956808U CN202956808U CN 201220634364 CN201220634364U CN202956808U CN 202956808 U CN202956808 U CN 202956808U CN 201220634364 CN201220634364 CN 201220634364 CN 201220634364 U CN201220634364 U CN 201220634364U CN 202956808 U CN202956808 U CN 202956808U
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Abstract
The utility model provides a track railroad grade crossing equipment operation state recorder and aims at solving the problems that an existing rail road grade crossing equipment monitoring system can not provide reliable proof materials for judgments of responsibility of railroad accidents, and error judgments of responsibility accidents can be caused. The track railroad grade crossing equipment operation state recorder is characterized in that a central processing unit (CPU) circuit is used as a core, a collection part, a universal serial bus (USB) communication circuit, a serial communication circuit, a storage part and a time management chip are connected on the CPU circuit, a CPU is connected with the collection part through a data bus, the CPU circuit is connected with the storage part through a single program initiation (SPI) bus and is connected with the USB communication circuit through an SPI bus, and the SPI bus of the USB communication circuit is simultaneously connected with an SPI bus of a flash memorizer.
Description
Technical field
The utility model relates to a kind of track as the signalling arrangement running status registering instrument in railway and ground railway crossing, is a kind of system that records the grade crossing signal equipment running status specifically.
Background technology
Grade crossing signal equipment is to guarantee level crossing safety and the unimpeded visual plant of transportation by railroad main artery, current existing outdoor equipment work all needs manually-operated to control, and by the mode of operation that records each equipment, can search and reduce the level crossing accident reason that faulty operation causes.Existing grade crossing signal equipment monitoring system, exist high cost can not cover all road junctions, cause occurring after accident the factors such as the signalling arrangement running status can't be searched, reduction, so while using grade crossing signal equipment, consider the grade crossing signal equipment monitoring system is not installed, judge reliable proof material to the railway accident responsibility is provided, to liability accident, bring erroneous judgement.
Summary of the invention
For solving the problems of the technologies described above, the purpose of this utility model is to provide a kind of rail jaws equipment running status registering instrument.
The purpose of this utility model is achieved in that it take cpu circuit as core, Acquisition Circuit, usb communication circuit, serial communication circuit, storage area and time management chip are connected on cpu circuit, specifically: CPU is connected with Acquisition Circuit by data bus, send the electric circuit inspection signal to Acquisition Circuit, process in real time the status information that Acquisition Circuit collects; Cpu circuit is connected with storage area by spi bus, realizes storage and the read functions of data; Storage area is FLASH storer and two storeies of ferroelectric memory, and these two storeies independent operating respectively do not interfere with each other; Cpu circuit is connected with the usb communication circuit by spi bus, realize USB to the configuration of registering instrument, read storage data and time correction function; The usb communication circuit has the function that working power 3.3 V are provided for the FLASH storer, and the spi bus of usb communication circuit is connected with the spi bus of FLASH storer simultaneously, the data read functions while realizing system power failure or ARM failure of chip; Cpu circuit, by being connected with serial communication circuit, is realized configuration, reading out data and the time correction function of serial ports to registering instrument; Cpu circuit, by being connected with the date managing chip, is realized reading and calibration function of real-time time, guarantees that the data time of storage is accurate.
Compared with prior art, good effect of the present utility model is:
1, its data-storage system adopts dual-memory storage and peripheral operation can not revise the data in storer, has " black box " function, can effectively guarantee the validity of raw data.And can, in the situation that system does not have the power supply input to read the storage data, be convenient to copying of raw data and get.
2, existing grade crossing signal equipment monitoring system, cost is high, system complex is unfavorable for covering road junction to some extent; The present invention has that cost is low, the simple convenient operation of system and install and use for different road junctions present situation.
The accompanying drawing explanation
Fig. 1 is theory diagram of the present utility model.
Fig. 2 is the block diagram of collecting part.
Fig. 3 is UBS telecommunication circuit block diagram,
Fig. 4-8 have formed the overall electrical schematic diagram of the utility model, wherein,
Fig. 4 is the electrical schematic diagram of CPU and time management chip part.
Fig. 5 is the electrical schematic diagram of collecting part.
Fig. 6 is the electrical schematic diagram of usb communication circuit.
Fig. 7 is the electrical schematic diagram of serial communication circuit.
Fig. 8 is the electrical schematic diagram of storage area.
Embodiment
As shown in Figure 1, the utility model be take the ARM chip as core parts, by with other various pieces between cooperate and realize the registering instrument all functions.The ARM chip sends the electric circuit inspection signal to Acquisition Circuit, and is connected with Acquisition Circuit by data bus, processes in real time the status information that Acquisition Circuit collects.The ARM chip is connected with storage area by spi bus, realizes storage and the read functions of data, and storage area is FLASH storer and two storeies of ferroelectric memory, and these two storeies independent operating respectively do not interfere with each other.The ARM chip is connected with the usb communication circuit by spi bus, realize USB to the configuration of registering instrument, read storage data and time correction function; The usb communication circuit has the function that working power 3.3 V are provided for the FLASH storer, and the spi bus of usb communication circuit is connected with the spi bus of FLASH storer simultaneously, the data read functions while realizing system power failure or ARM failure of chip.The ARM chip, by being connected with serial communication circuit, is realized configuration, reading out data and the time correction function of serial ports to registering instrument.The ARM chip, by being connected with the date managing chip, is realized reading and calibration function of real-time time, guarantees that the data time of storage is accurate.
The specific works mode is as described below:
Referring to Fig. 4, cpu circuit: it is core parts that this part be take ARM chip U1, main completion logic computing, time chip management, data storage, PERCOM peripheral communication and acquisition testing signal output function.The signal that collecting part is inputted in logical operation and the last data that read from U6 are carried out the logic judgement and are processed, before and after judgement, whether the collection signal of twice input changes, and combine with the real-time time read from time chip, then according to the storage of storage principle.U1 exports the acquisition testing signal to collecting part by P1.16-P1.18, and the signal of collecting part output is inputted U1 by P2.0-P2.23; Temporal information is inputted U1 from P3.11-P3.18.U1 is arranged and is revised time chip by P3.7-P3.10, guarantees the time chip normal operation.By the data after logical process, the data when not changing deposit U6 in to U1, and the principle that simultaneously deposits U5, U6 while changing in is stored, and by spi bus, are completed storage and are read process; U1 by P0.4-P0.7, P3.3 realize with U5 communicate by letter and sheet selects function, by P0.17-P0.20, P3.2 realization and U6 communicate by letter and sheet selects function.U1 is connected with serial communication circuit by P0.0, P0.1, realizes the serial communication with PC.
Referring to Fig. 2 and 5, collecting part: collecting part mainly carries out the Information Monitoring of external sensor input acquisition process and inputs U1.Collecting part mainly comprises that Acquisition Circuit detection signal and two functional modules of Acquisition Circuit form.
Detection signal (CS1-3) the input Acquisition Circuit detection signal functional module of U1 output exports Acquisition Circuit 1-8 to after Acquisition Circuit detection signal module is carried out electrical isolation; Acquisition Circuit 1-24 is inputted respectively in the 1-24 road Information Monitoring of sensor output, and after Acquisition Circuit is processed, output real-time status information (MCU-IN1-24) is to U1.Acquisition Circuit detection signal functional module is by U8(ULN2803LW) and three optocouplers (N5A, N5B, N5C) form.The 1st, 2,3 pin of detection signal (CS1-3) input U8, export three optocoupler N5A, N5B to after U8, N5C carries out electrical isolation, and then input U8, export Acquisition Circuit to by 13,14,15 of U8, each detection signal detects 8 tunnel Acquisition Circuit, that is: 1-8 route CNK1 detects, and 9-16 is detected by CNK3 by CNK2 detection, 17-24.Acquisition Circuit mainly is comprised of a voltage comparator and two optocouplers.Acquisition Circuit 1-24 implementation method is the same, and this sentences the first via is the example explanation.The 1st tunnel Information Monitoring the 4th pin input than device U9A (LM339) by voltage by the sensor input, carry out voltage ratio after, exported to the 3rd pin of optocoupler N4 by the 2nd pin of U9A, the 2nd pin of the optocoupler of detection signal CNK1 input simultaneously N4 triggers the N4 conducting, the 2nd pin that the signal of now U9A output inputs to optocoupler N3 as the trigger pip of N3 triggers the N3 conducting, and the conducting by N3 or cut-off are exported now real-time status information (MCU-IN1) to U1 from the 4th pin of N3.The Acquisition Circuit formed by N3 and N4 has the fault measuring ability, only has when detection signal and two optocouplers are simultaneously normal and just can export collection signal.
Referring to Fig. 3 and 6, the usb communication circuit: this partial circuit is the core circuit that reads the storage data, can also complete configuration and the time correction function of registering instrument, it can guarantee registering instrument in the situation that outage or ARM failure of chip complete the data read functions simultaneously.This partial circuit is comprised of communication and two functional modules of power supply conversion, and functional block diagram refers to Fig. 3.As shown above, 5 V power supplys of USB interface (J1) input are divided into two-way uses: the 1st, 16 pin of a road input JDQ1 are used for driving JDQ1, and another road input power module carries out the power supply conversion; Bus conversion chip (CH341) is connected with spi bus with USB interface (J1) respectively, realizes the communication bus conversion, and output usb communication look-at-me.Power supply conversion portion functional module is comprised of power transfer module and relay J DQ1, utilizes picking up and fall and realizing the electrical source exchange function of JDQ1.The specific works mode is: the first group node of JDQ1 (4,6,8), and connecing the 6th pin while falling is V3.3, and connecing the 8th pin while picking up is the USB_V3.3 of U2 output, and common port the 4th pin output FLASH_V3.3 provide power supply for storer U5; The second group node of JDQ1 (9,11,13), connecing the 11st pin while falling is vacant state, and connecing the 9th pin while picking up is the USB_V3.3 of U2 output, and common port the 13rd pin output CH_V3.3 provide power supply for bus conversion chip U4.Communications portion functional module working method is: by bus conversion chip U4(CH341) complete the conversion of usb bus and spi bus, U4 is connected with J1 and realizes that usb bus communicates by letter, the 10th, 13,15,17 4 pins of U4 are connected to U1 simultaneously, and be connected with 1,2,5,6 pin of U5, realize spi bus communication; And export the P3.4 generation communication disruption of usb communication state to U1 by the 1st pin of U4.
Referring to Fig. 7, serial communication circuit: the major function of serial communication circuit has been that the configuration of registering instrument, time adjustment, data such as read at the function.For the reliability that improves system has increased by two electrical isolation optocoupler N1 and N2 between U3 and U1.J2 is the DB9 interface, its 2nd, 3 pins and serial port chip U3(MAX3232) the 13rd, 14 be connected, after changing by U3, by the 7th pin of 11 pin and the isolating chip (N1) of U3, be connected, after electrical isolation, by the 2nd pin of N1, with U1, be connected; 12 pin of U3 are connected with the 2nd pin of isolating chip (N2), after the N2 electrical isolation, by the 7th pin of N2, with U1, are connected; Realize configuration, time adjustment and the data read functions to U1 by serial communication.
Referring to Fig. 8, storage area: storage area is comprised of U5 (ferroelectric memory) and two storage chips of U6 (FLASH storer), and these two storage chip communication modes are all the spi bus modes.U5 is connected with U1 with the usb communication circuit by the 1st, 2,5,6 pin, realizes data communication function; U6 is connected with U1 by the 1st, 2,5,6 pin, realizes data communication function.The storage principle is that the data while not changing deposit U6 in, and the principle that simultaneously deposits U5, U6 while changing in is stored.During the interior data of PC read memory, serial communication can read the data in U5, U6, and usb communication can only read the data in U5.
Referring to Fig. 4, the time management chip: for registering instrument, real-time time is extremely important accurately, so selected separately a time chip U7 (DS17487-3IND+) to obtain correct time in registering instrument.U7 is connected with U1 by the 4-11 pin, realizes the communication of real-time time data, by 13-15,17 pins, with U1, is connected, and realizes management and setting to time chip.
Claims (3)
1. a rail jaws equipment running status registering instrument, it is characterized in that: it take cpu circuit as core, and collecting part, usb communication circuit, serial communication circuit, storage area and time management chip are connected on cpu circuit; Wherein, CPU is connected with collecting part by data bus, to collecting part, sends the electric circuit inspection signal; Cpu circuit is connected with storage area by spi bus; Storage area is FLASH storer U5 and two storeies of ferroelectric memory U6; Cpu circuit is connected with the usb communication circuit by spi bus; The usb communication circuit provides working power for the FLASH storer, and the spi bus of usb communication circuit is connected with the spi bus of FLASH storer simultaneously.
2. according to rail jaws equipment running status registering instrument claimed in claim 1, it is characterized in that: said CPU is ARM chip U1.
3. according to rail jaws equipment running status registering instrument claimed in claim 2, it is characterized in that: collecting part mainly comprises Acquisition Circuit detection signal and two functional modules of Acquisition Circuit; The detection signal input Acquisition Circuit detection signal functional module of U1 output exports Acquisition Circuit 1-8 to after Acquisition Circuit detection signal module is carried out electrical isolation; Acquisition Circuit 1-24 is inputted respectively in the 1-24 road Information Monitoring of sensor output, and after Acquisition Circuit is processed, output real-time status information (MCU-IN1-24) is to U1; Acquisition Circuit detection signal functional module is comprised of U8 and three optocoupler N5A, N5B, N5C; The 1st, 2,3 pin of detection signal input U8, export three optocoupler N5A, N5B to after U8, N5C carries out electrical isolation, and then input U8, export Acquisition Circuit to by 13,14,15 of U8, each detection signal detects 8 tunnel Acquisition Circuit, that is: 1-8 route CNK1 detects, and 9-16 is detected by CNK3 by CNK2 detection, 17-24; Acquisition Circuit mainly is comprised of a voltage comparator and two optocouplers; Acquisition Circuit 1-24 implementation method is the same, wherein the 1st tunnel is, the 1st tunnel Information Monitoring the 4th pin input than device U9A by voltage by the sensor input, carry out voltage ratio after, exported to the 3rd pin of optocoupler N4 by the 2nd pin of U9A, the 2nd pin of the optocoupler of detection signal CNK1 input simultaneously N4 triggers the N4 conducting, the 2nd pin that the signal of now U9A output inputs to optocoupler N3 as the trigger pip of N3 triggers the N3 conducting, and the conducting by N3 or cut-off are exported now real-time status information to U1 from the 4th pin of N3;
The usb communication circuit is comprised of communication and two functional modules of power supply conversion, and 5 V power supplys of USB interface (J1) input are divided into two-way to be used: the 1st, 16 pin of a road input JDQ1 are used for driving JDQ1, and another road input power module carries out the power supply conversion; The bus conversion chip is connected with spi bus with USB interface J1 respectively, realizes the communication bus conversion, and output usb communication look-at-me; Power supply conversion portion functional module is comprised of power transfer module and relay J DQ1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220634364 CN202956808U (en) | 2012-11-27 | 2012-11-27 | Track railroad grade crossing equipment operation state recorder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220634364 CN202956808U (en) | 2012-11-27 | 2012-11-27 | Track railroad grade crossing equipment operation state recorder |
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| Publication Number | Publication Date |
|---|---|
| CN202956808U true CN202956808U (en) | 2013-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220634364 Expired - Lifetime CN202956808U (en) | 2012-11-27 | 2012-11-27 | Track railroad grade crossing equipment operation state recorder |
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| Country | Link |
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| CN (1) | CN202956808U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104281536A (en) * | 2014-09-28 | 2015-01-14 | 株洲南车时代电气股份有限公司 | Device and method for separated storage of data |
-
2012
- 2012-11-27 CN CN 201220634364 patent/CN202956808U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104281536A (en) * | 2014-09-28 | 2015-01-14 | 株洲南车时代电气股份有限公司 | Device and method for separated storage of data |
| CN104281536B (en) * | 2014-09-28 | 2019-03-01 | 株洲南车时代电气股份有限公司 | A kind of device and method of data separating storage |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130529 |