CN201993597U - Real-time transmission data interface device - Google Patents
Real-time transmission data interface device Download PDFInfo
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- CN201993597U CN201993597U CN2011200819715U CN201120081971U CN201993597U CN 201993597 U CN201993597 U CN 201993597U CN 2011200819715 U CN2011200819715 U CN 2011200819715U CN 201120081971 U CN201120081971 U CN 201120081971U CN 201993597 U CN201993597 U CN 201993597U
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Abstract
The utility model relates to a real-time transmission data interface device which comprises a main control board and a plurality of data processing boards which are respectively connected with the main control board; the data processing boards are respectively correspondingly connected with a plurality of transmission channels of a secure computer through respective serial interfaces arranged on the data processing boards to receive data signals collected by the secure computer; the main control board is connected with an industrial control computer through a parallel interface arranged on the main control board; and the data signals after serial-parallel conversion by the data interface device are output to the industrial control computer to be analyzed and monitored. The real-time transmission data interface device realizes long-distance transmission with the secure computer through the serial interfaces and the high-speed communication with the industrial control computer through the parallel interface to meet the communication requirements between the secure computer and the industrial control computer; with the redundancy design and the data buffer memory function, the security and the reliability of data transmission can be also guaranteed; and technical personnel can be facilitated to know the running status of a train at any time so as to realize real-time on-line remote supervision and monitoring.
Description
Technical field
The utility model relates to a kind of DIU data interface unit, particularly a kind of DIU data interface unit that is used for bullet train operational factor real-time Transmission between fail-safe computer and the industrial computer.
Background technology
Existing data transmission interface has I
2C, USB, RS232, RS485 etc.Wherein, I
2C and USB can realize the high-speed transfer of short distance (5m); RS232 can only realize the one-way data transmission of low speed; RS485 adopts the balance transmission mode, can realize long-distance transmissions, but along with the increase of transmission range, transfer rate obviously reduces.
In traffic control systems such as high-speed railway, a kind of nucleus equipment that is called as fail-safe computer that guarantees safe train operation is arranged; The real-time control and the security protection of the train operation of described fail-safe computer specific implementation guarantee that train moves in allowed limits according to design route and desired speed.For realizing this goal operational factors such as the travelling speed of the real-time monitoring of fail-safe computer needs train, current location, train operation instruction, internal system state; Operating personnel or system maintenance commissioning staff can in time understand system running state and status of equipment, and provide the follow-up order of controlling with this by these operational factors.
At present, method commonly used is the jumbo memory device of equipment, and its train real-time running data to the collection of fail-safe computer equipment receives and preserves; Afterwards, can only be at the appointed time or etc. train when stopping the station, again these data are transferred on the relevant data collection computer (hereinafter to be referred as industrial computer).As seen, this method can't be carried out real-time Transmission to operational factor, can only be used for post-survey and analysis, is difficult to realize the supervision and the monitoring of real-time online.
The utility model content
The purpose of this utility model provides a kind of DIU data interface unit of real-time Transmission, realizes string and conversion, high rate communication and the long Distance Transmission of data such as running state of high speed strain, satisfies the communicating requirement between fail-safe computer and the industrial computer; Its Redundancy Design and metadata cache function can also guarantee safety of data transmission and reliability, make things convenient for the technician to grasp train operation state at any time, realize remote monitoring.
In order to achieve the above object, the technical solution of the utility model provides a kind of DIU data interface unit of real-time Transmission, comprises master control board, and the plurality of data disposable plates that is connected respectively with described master control board;
Described plurality of data disposable plates by the serial line interface that is provided with separately, respectively with the corresponding connection of some transmission channels of fail-safe computer, receives the data-signal that described fail-safe computer is gathered;
Described master control board, the parallel interface by its setting is connected with industrial computer, and the described data-signal with after described DIU data interface unit string and the conversion exports described industrial computer to and carries out analysis monitoring.
Described master control board is provided with some internal interfaces, comes the corresponding described plurality of data disposable plates that connects;
Described master control board also is provided with Management Controller, it is connected respectively with described some internal interfaces and described parallel interface, string and the conversion of control data signal between described internal interface and parallel interface, and control the transmission of data-signal between described data processing plate and the described industrial computer.
Also comprise frequency divider in the described master control board, and the active crystal oscillator that is connected with frequency divider;
Described frequency divider is connected respectively with described Management Controller and some described internal interfaces, provides needed frequency of operation by internal interface to the described plurality of data disposable plates that correspondence connects.
Every described data processing plate is provided with data processing controller, the cache module that is connected with described data processing controller, and the interface module that is connected respectively with described data processing controller and cache module; Described interface module is complementary with the internal interface of described master control board and corresponding connection;
Under the control of described data processing controller, data-signal transmits between described data processing plate and described master control board, and carries out caching process by described cache module in transmission course.
Described data processing controller also is connected with described fail-safe computer by described serial line interface, and control data signal is transmitted between described data processing plate and described fail-safe computer; Described serial line interface comprises the receiving interface and the transmission interface of optical fiber, and two-way cable interface.
Also be provided with the transmission mode indicating module in the described data processing plate, it comprises the data transfer direction of indicating described data processing plate and the plurality of indicator lamps of transmission speed speed.
Compared with prior art, the DIU data interface unit of real-time Transmission described in the utility model, its advantage is: the utility model has made full use of the serial communication transmission advantage different separately with parallel communications: the serial line interface by data processing plate is connected with fail-safe computer, realizes the reception of the bullet train service data of long distance, big data quantity; After inside is gone here and there to service data and is changed, to communicate by letter with industrial computer by the parallel interface of master control board, transmission speed is fast, can in real time service data be uploaded to industrial computer.
And, in above preferred embodiment, also designed the binary channels redundancy structure at serial ports, promptly receive service data by corresponding first, second passage that connects fail-safe computer of two blocks of data disposable plates, and master control board receives by two internal interfaces respectively, and the validity that is designed to data upload of this serial ports redundancy provides safeguard.The concrete structure of described serial ports redundancy can be provided with according to system needs, is not limited in the preferred embodiment two and gets two structure.In addition, cooperate the cache module that is provided with separately on the data processing plate that data are carried out caching process, be not easy during data transmission to lose, further guaranteed safety of data transmission and reliability.
Therefore, the utility model can be applicable in the bullet train traffic control system, makes things convenient for the technician to grasp the running status of train at any time, realizes the supervision and the monitoring of real-time online.
Description of drawings
Fig. 1 is the function connection diagram of the DIU data interface unit of the utility model real-time Transmission;
Fig. 2 is the general structure synoptic diagram of the DIU data interface unit of the utility model real-time Transmission;
Fig. 3 is the structural representation of master control board in the DIU data interface unit of the utility model real-time Transmission;
Fig. 4 is the structural representation of data processing plate in the DIU data interface unit of the utility model real-time Transmission.
Embodiment
Below in conjunction with description of drawings embodiment of the present utility model.
As shown in Figure 1, the DIU data interface unit 100 of real-time Transmission described in the utility model satisfies the long haul communication of itself and fail-safe computer 300 with serial mode, receives the bullet train service data of the large information capacity that fail-safe computer 300 gathers; After these DIU data interface unit 100 inside are gone here and there to service data and are changed, by parallel mode to industrial computer 200 carry out in real time, high-speed data transmission.After 200 pairs of Operational Data Analysis of this industrial computer are handled, also can data in real time be sent to remote supervisory and control(ling) equipment by wide area network or special-purpose cordless communication network.
Cooperation is referring to Fig. 1, shown in Figure 2, and wherein Fig. 2 is that the utility model is at the two a kind of embodiment that get under two Redundancy Design.As the telecommunication media between described fail-safe computer 300 and the described industrial computer 200, described DIU data interface unit 100 comprises master control board 10, and it is provided with parallel interface 11 and is connected with described industrial computer 200; Also comprise with described master control board 10 on two blocks of data disposable plates 20 of two internal interfaces, 121, the 122 corresponding connections that are provided with; Described two blocks of data disposable plates 20, the serial line interface 21 by being provided with separately also is respectively with first passage 310, the second channel 320 corresponding connections of described fail-safe computer 300.
Cooperate and participate in Fig. 2, shown in Figure 3, described master control board 10 also is provided with Management Controller 13, it is connected respectively with above-mentioned two internal interfaces 121,122 and described parallel interface 11, internal interface 121 or 122 and parallel interface 11 between carry out the string and the conversion of data, and control data transmits between industrial computer 200 and data processing plate 20.
Also comprise the frequency divider 14 that is connected respectively with described Management Controller 13 and two described internal interfaces 121,122 in this master control board 10, it provides needed frequency of operation by internal interface 121,122 to the described data processing plate 20 that correspondence connects under an active crystal oscillator that is connected 15 effects.
Cooperation is referring to Fig. 2, shown in Figure 4, and every described data processing plate 20 is provided with a data processing controller 22, and the cache module 23 that is connected with described data processing controller 22.Described data processing controller 22, available CPLD(programmable logic device (PLD)) constitute; Described cache module 23 is FIFO(first in first out) buffer.
Described data processing controller 22 is connected respectively with an interface module 25 with cache module 23; Described data processing plate 20 is carried out the transmission of data-signal by this interface module 25 with the internal interface 121 or the 122 corresponding connections of described master control board 10.Also being provided with transmission mode indicating module 24 in the described data processing plate 20, can be the plurality of indicator lamps that is used for the data transfer direction and the transmission speed speed of designation data disposable plates 20.
Described data processing controller 22 also is connected with described fail-safe computer 300 by described serial line interface 21.This serial line interface 21 comprises the receiving interface 211 and the transmission interface 212 of optical fiber, and two-way cable interface 213.
Described data processing controller 22 is specifically controlled described serial line interface 21 and is received the bullet train service data of being gathered by fail-safe computer 300, and controls those service datas the temporary of described cache module 23 and to the output of described master control board 10.Perhaps, the operational order that described industrial computer 200 sends, export to described data processing plate 20 by described master control board 10, by the reception of described those operational orders of data processor controlled and temporary at described cache module 23, and data such as control operation instruction export described fail-safe computer 300 to by serial line interface 21.
Concrete, the DIU data interface unit 100 of real-time Transmission described in the utility model, its implementation process can be divided into system initialization, industrial computer 200 receives fail-safe computer 300 data, industrial computer 200 send three links from data to fail-safe computer 300.
After described DIU data interface unit 100 powers on, to its system initialization that carries out, comprise following flow process by industrial computer 200:
1.1 the data processing controller 22 of reseting data disposable plates 20, and empty cache module 23;
1.2 make answer signal ack be " 0 "; This answer signal ack that described DIU data interface unit 100 is sent to industrial computer 200 represents during for " 0 " that described DIU data interface unit 100 is in initialization procedure, represents during for " 1 " that it is in the course of normal operation, and implication is identical when below relating to.
1.3 described data processing controller 22 of set and cache module 23 are even both reset pins are high level;
1.4 the existence of scanning and two blocks of data disposable plates 20 of the corresponding connection of first, second passage of described fail-safe computer 300;
The reset pin of data processing controller 22 and cache module 23 is a high level 1.5 make again;
1.6 the frequency divider 14 of controlling described master control board 10 produces the frequency of operation of 20MHz, exports two blocks of data disposable plates 20 respectively to;
1.7 make answer signal ack be " 1 ".
After system powered on and normally moves, industrial computer 200 was as follows from the flow process that fail-safe computer 300 receives data:
At first, to system initialization, promptly
2.1 the data processing controller 22 of reseting data disposable plates 20, and empty cache module 23;
2.2 make answer signal ack be " 0 ";
The reset pin of data processing controller 22 and cache module 23 is a high level 2.3 make;
2.4 the existence of scanning and two blocks of data disposable plates 20 of the corresponding connection of first, second passage of described fail-safe computer 300; Continue when two blocks of data disposable plates 20 all exist when scanning;
The reset pin of data processing controller 22 and cache module 23 is a high level 2.5 make again;
2.6 the frequency divider 14 of controlling described master control board 10 produces the frequency of operation of 20MHz, exports two blocks of data disposable plates 20 respectively to;
Answer signal ack is " 1 2.7 make;
Afterwards, the cache module 23 on 10ms run-down data processing plate 20 is if exist data just it to be read, promptly
2.8 scan the existence of two blocks of data disposable plates 20; All exist when scanning two blocks of data disposable plates 20, and the cache module 23 of the corresponding data processing plate 20 that connects first passage 310 less than, and continue during cache module 23 non-NULLs of the data processing plate 20 of corresponding second channel 320;
The reset pin of data processing controller 22 and cache module 23 is a high level 2.9 make;
2.10 control frequency divider 14 produces the frequency of operation of 20MHz, exports two blocks of data disposable plates 20 respectively to;
2.11 make answer signal ack be " 1 ";
2.12 read on the corresponding data processing plate 20 that connects first passage 310 state of data processing controller 22 and cache module 23 for three times continuously; When continuing during non-NULL in this cache module 23;
2.13 read data in this cache module 23;
2.14 read the state of data processing controller 22 and cache module 23 on this data processing plate 20; When being empty in this cache module 23, finish from the Data Receiving of this blocks of data disposable plates 20;
2.15 read on the corresponding data processing plate 20 that connects second channel 320 state of data processing controller 22 and cache module 23 for three times continuously; When continuing during non-NULL in this cache module 23;
2.13 read data in this cache module 23;
2.14 read the state of data processing controller 22 and cache module 23 on this data processing plate 20; Until this cache module 23 is empty, promptly finishes the Data Receiving of another blocks of data disposable plates 20.
To send data instance, illustrate that industrial computer 200 is as follows to the flow process that fail-safe computer 300 sends data by described first passage 310:
3.1 the data processing controller 22 of reseting data disposable plates 20, and empty cache module 23;
3.2 make answer signal ack be " 0 ";
The reset pin of data processing controller 22 and cache module 23 is a high level 3.3 make;
3.4 the existence of scanning and two blocks of data disposable plates 20 of the corresponding connection of first, second passage of described fail-safe computer 300; Continue when two blocks of data disposable plates 20 all exist when scanning;
The reset pin of data processing controller 22 and cache module 23 is a high level 3.5 make again;
3.6 the frequency divider 14 of controlling described master control board 10 produces the frequency of operation of 20MHz, exports two blocks of data disposable plates 20 respectively to;
3.7 make answer signal ack be " 1 ";
So far, finish initialization, afterwards to system
3.8 scan the existence of two blocks of data disposable plates 20; All exist when scanning two blocks of data disposable plates 20, and the cache module 23 of the corresponding data processing plate 20 that connects first passage 310 less than, and continue during cache module 23 non-NULLs of the data processing plate 20 of corresponding second channel 320;
The reset pin of data processing controller 22 and cache module 23 is a high level 3.9 make;
3.10 control frequency divider 14 produces the frequency of operation of 20MHz, exports two blocks of data disposable plates 20 respectively to;
3.11 make answer signal ack be " 1 ";
3.12 deposit data to be written the cache module 23 of corresponding data processing plate 20 in, be sent to fail-safe computer 300 by described first passage 310 again.
In sum, the DIU data interface unit 100 of real-time Transmission described in the utility model, made full use of the serial communication transmission advantage different separately with parallel communications: the serial line interface 21 by data processing plate 20 is connected with fail-safe computer 300, realizes the reception of the bullet train service data of long distance, big data quantity; After inside is gone here and there to service data and is changed, to communicate by letter with industrial computer 200 by the parallel interface 11 of master control board 10, transmission speed is fast, can in real time service data be uploaded to industrial computer 200.
And, in above preferred embodiment, also designed the binary channels redundancy structure at serial ports, promptly receive service data by two blocks of data disposable plates, 20 corresponding first, second passages that connect fail-safe computer 300, and master control board 10 receives by two internal interfaces 121,122 respectively, and the validity that is designed to data upload of this serial ports redundancy provides safeguard.The concrete structure of described serial ports redundancy can be provided with according to system needs, is not limited in the preferred embodiment two and gets two structure.In addition, cooperate the 23 pairs of data of cache module that are provided with separately on the data processing plate 20 to carry out caching process, be not easy during data transmission to lose, further guaranteed safety of data transmission and reliability.
Therefore, the utility model can be applicable in the bullet train traffic control system, makes things convenient for the technician to grasp the running status of train at any time, realizes the supervision and the monitoring of real-time online.
Although content of the present utility model has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model.After those skilled in the art have read foregoing, for multiple modification of the present utility model with to substitute all will be conspicuous.Therefore, protection domain of the present utility model should be limited to the appended claims.
Claims (6)
1. the DIU data interface unit of a real-time Transmission is characterized in that, comprises master control board (10), and the plurality of data disposable plates (20) that is connected respectively with described master control board (10);
The serial line interface (21) of described plurality of data disposable plates (20) by being provided with separately respectively with the corresponding connection of some transmission channels (310,320) of fail-safe computer (300), receives the data-signal of described fail-safe computer (300) collection;
Described master control board (10) is connected with industrial computer (200) by the parallel interface (11) of its setting, and the described data-signal with after described DIU data interface unit string and the conversion exports described industrial computer (200) to and carries out analysis monitoring.
2. the DIU data interface unit of real-time Transmission according to claim 1 is characterized in that described master control board (10) is provided with some internal interfaces (121,122), comes the corresponding described plurality of data disposable plates (20) that connects;
Described master control board (10) also is provided with Management Controller (13), it is connected respectively with described some internal interfaces (121,122) and described parallel interface (11), string and the conversion of control data signal between described internal interface (121,122) and parallel interface (11), and control the transmission of data-signal between described data processing plate (20) and the described industrial computer (200).
3. as the DIU data interface unit of real-time Transmission as described in the claim 2, it is characterized in that, also comprise frequency divider (14) in the described master control board (10), and the active crystal oscillator (15) that is connected with frequency divider (14);
Described frequency divider (14) is connected respectively with described Management Controller (13) and some described internal interfaces (121,122), provides needed frequency of operation by internal interface (121,122) to the described plurality of data disposable plates (20) that correspondence connects.
4. as the DIU data interface unit of real-time Transmission as described in the claim 3, it is characterized in that, every described data processing plate (20) is provided with data processing controller (22), the cache module (23) that is connected with described data processing controller (22), and the interface module (25) that is connected respectively with described data processing controller (22) and cache module (23); Described interface module (25) is complementary and corresponding connection with the internal interface (121,122) of described master control board (10);
Under the control of described data processing controller (22), data-signal transmits between described data processing plate (20) and described master control board (10), and carries out caching process by described cache module (23) in transmission course.
5. as the DIU data interface unit of real-time Transmission as described in the claim 4, it is characterized in that, described data processing controller (22) also is connected with described fail-safe computer (300) by described serial line interface (21), and control data signal is transmitted between described data processing plate (20) and described fail-safe computer (300); Described serial line interface (21) comprises the receiving interface (211) and the transmission interface (212) of optical fiber, and two-way cable interface (213).
6. as the DIU data interface unit of real-time Transmission as described in the claim 5, it is characterized in that, also be provided with transmission mode indicating module (24) in the described data processing plate (20), it comprises the data transfer direction of the described data processing plate of indication (20) and the plurality of indicator lamps of transmission speed speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200819715U CN201993597U (en) | 2011-03-25 | 2011-03-25 | Real-time transmission data interface device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200819715U CN201993597U (en) | 2011-03-25 | 2011-03-25 | Real-time transmission data interface device |
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| CN201993597U true CN201993597U (en) | 2011-09-28 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102799104A (en) * | 2012-07-02 | 2012-11-28 | 浙江正泰中自控制工程有限公司 | Safety control redundant system and method for fully-intelligent master control system |
| CN103353715A (en) * | 2013-06-26 | 2013-10-16 | 许继集团有限公司 | Data transmission method for redundancy protection measurement and control of monitoring system |
| CN103941082A (en) * | 2014-04-08 | 2014-07-23 | 武汉国测恒通智能仪器有限公司 | High-voltage electric energy direct metering device and method with double-channel data redundancy |
| CN104932995A (en) * | 2014-03-18 | 2015-09-23 | 上海斐讯数据通信技术有限公司 | RS485 bus-to-HBI bus system |
-
2011
- 2011-03-25 CN CN2011200819715U patent/CN201993597U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102799104A (en) * | 2012-07-02 | 2012-11-28 | 浙江正泰中自控制工程有限公司 | Safety control redundant system and method for fully-intelligent master control system |
| CN102799104B (en) * | 2012-07-02 | 2014-12-24 | 浙江正泰中自控制工程有限公司 | Safety control redundant system and method for fully-intelligent master control system |
| CN103353715A (en) * | 2013-06-26 | 2013-10-16 | 许继集团有限公司 | Data transmission method for redundancy protection measurement and control of monitoring system |
| CN103353715B (en) * | 2013-06-26 | 2016-01-20 | 许继集团有限公司 | Supervisory system redundancy protecting measuring and control data transmission method |
| CN104932995A (en) * | 2014-03-18 | 2015-09-23 | 上海斐讯数据通信技术有限公司 | RS485 bus-to-HBI bus system |
| CN103941082A (en) * | 2014-04-08 | 2014-07-23 | 武汉国测恒通智能仪器有限公司 | High-voltage electric energy direct metering device and method with double-channel data redundancy |
| CN103941082B (en) * | 2014-04-08 | 2017-02-15 | 武汉国测恒通智能仪器有限公司 | High-voltage electric energy direct metering device and method with double-channel data redundancy |
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Effective date of registration: 20150105 Address after: 200092 Shanghai City, Yangpu District Siping Road No. 1239 Patentee after: Tongji University Address before: 201201 No. 2520, Pudong New Area, Shanghai, Longyang Road Patentee before: Shanghai Maglev Transportation Development Co., Ltd. Patentee before: Shanghai Magnetic Suspension Communication Engineering Technology Research Cente |
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