CN101477329A - Vehicle-mounted information apparatus - Google Patents
Vehicle-mounted information apparatus Download PDFInfo
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- CN101477329A CN101477329A CNA2008100001704A CN200810000170A CN101477329A CN 101477329 A CN101477329 A CN 101477329A CN A2008100001704 A CNA2008100001704 A CN A2008100001704A CN 200810000170 A CN200810000170 A CN 200810000170A CN 101477329 A CN101477329 A CN 101477329A
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Abstract
The invention relates to a vehicle information device, which comprises a bus interface board, a first CPU board, a second CPU board and a redundance control board, wherein the first CPU board or the second CPU board which has the power to control a PC104 bus is taken as a main CPU and performs data interaction with the bus interface board through the PC104 bus, and the other CPU board is taken as a slave CPU; and the redundance control board is connected with both the main CPU and the slave CPU and used for monitoring the state of the first CPU board and the second CPU board and distributing the control power of the PC104 bus according to the state. The vehicle information device is used for guaranteeing the reliability of data storage in the vehicle information device.
Description
Technical field
The present invention relates to a kind of car-mounted information apparatus, the bus-structured car-mounted information apparatus of particularly a kind of employing PC104.
Background technology
The PC104 bus is the earliest an embedded computer bus standard in the world, it is a kind of industrial-controlled general line that defines for embedded Control specially, adopt the isa bus framework, interconnected between its bus used 104 signal wires, comprises address wire, data line, control line, clock line, power lead.
What car-mounted information apparatus cabinet backboard adopted is the PC104 bus structure, and CPU board is carried out the mutual of data by PC104 bus and various types of bus interface board.Wherein, CPU board is mainly finished the storage and the Fault Diagnosis function of data.
In design known today, generally all have only a total line traffic control main equipment to exist on the PC104 bus.This is owing to according to the PC104 bus standard, can only have a main equipment control bus on bus.Promptly can only allow a CPU board to carry out the mutual of data by PC104 bus and various types of bus interface board.When the car-mounted information apparatus that adopts this bus form, when in a single day CPU board broke down, CPU board just can not be finished the storage and the Fault Diagnosis function of data, perhaps can not store data and Fault Diagnosis really.
Because the processing of the data of car-mounted information apparatus and record are searched for the playback of locomotive accident and faults analysis and are had great importance.The car-mounted information apparatus reliability of data storage just seems particularly important like this.
Therefore, how to guarantee the car-mounted information apparatus reliability of data storage, make those skilled in the art need the technical matters of solution badly.
Summary of the invention
In view of the outwardness of above-mentioned background problem, the technical problem to be solved in the present invention, just being provides a kind of car-mounted information apparatus, is used to guarantee reliability of data storage.
For solving the problems of the technologies described above, the invention provides a kind of car-mounted information apparatus, comprise bus interface board, first CPU board, second CPU board and Redundant Control plate;
Have first CPU board of PC104 bus control right or second CPU board as described host CPU, carry out data interaction by PC104 bus and described bus interface board, another CPU board is at this moment from CPU;
Described Redundant Control plate all links to each other from CPU with described with described host CPU, is used to monitor the state of described first CPU board and described second CPU board, according to the control of described state assignment PC104 bus.
Preferably, described first CPU board and second CPU board communicate by described Redundant Control plate, be in first CPU board of host CPU position or second CPU board and the data that monitor are sent to when firm and hard by described Redundant Control are in described second CPU board or first CPU board, be in described second CPU board or first CPU board described data are backed up from the CPU position from the CPU position.
Preferably, described first CPU board of host CPU position or storage and the Fault Diagnosis that second CPU board is responsible for data of being in.
Monitor first CPU board or second CPU board that are in the host CPU position when preferably, described Redundant Control is firm and hard and whether be in normal operating conditions.
Preferably, when monitoring was in first CPU board of host CPU position or second CPU board and is in abnormal operating state when described Redundant Control was firm and hard, forbid being in first CPU board or the second CPU board control bus of host CPU position, and the control of distributing the PC104 bus is to current second CPU board or first CPU board that is in from the CPU position, is in from second CPU board or first CPU board of CPU position to switch to host CPU.
Preferably, described second CPU board of host CPU position or storage and the Fault Diagnosis that first CPU board is responsible for data of being in after the switching.
Preferably, described Redundant Control plate links to each other from CPU with described with described host CPU by condition line.
Preferably, described Redundant Control plate comprises processing unit and receiving element;
Described receiving element is used to receive described host CPU and described data from CPU;
All link to each other from CPU with described with described host CPU, be used to receive the data that described host CPU sends, and be sent to described from CPU;
Described processing unit is used to monitor the state of described first CPU board and described second CPU board, according to the control of described state assignment PC104 bus.
Preferably, described receiving element is by Ethernet and described host CPU with describedly communicate from CPU.
Preferably, described processing unit 41 links to each other from CPU with described with described host CPU by condition line.
Compare with the above-mentioned background technology, the invention has the beneficial effects as follows:
The described car-mounted information apparatus of the embodiment of the invention comprises first CPU board and second CPU board, have first CPU board of PC104 bus control right or second CPU board as described host CPU, carry out data interaction by PC104 bus and described bus interface board, another CPU board is at this moment from CPU.First CPU board all links to each other with the Redundant Control plate with second CPU board, and described Redundant Control plate is monitored the state of described first CPU board and described second CPU board, according to the control of described state assignment PC104 bus.When the Redundant Control plate monitors host CPU duty undesired, forbid that the host CPU plate continues control bus, simultaneously, will obtain the control of bus from CPU board, finish the writing function of data.So just can solve when in a single day the host CPU plate breaks down, can finish the storage and the Fault Diagnosis of data, guarantee data validity from CPU board.
Description of drawings
Fig. 1 is the car-mounted information apparatus first embodiment structural drawing of the present invention;
Fig. 2 is the car-mounted information apparatus second embodiment structural drawing of the present invention.
Embodiment
The invention provides a kind of car-mounted information apparatus, be used for guaranteeing the reliability of car-mounted information apparatus data.
Form and principle of work for the structure that is illustrated more clearly in car-mounted information apparatus of the present invention, be elaborated below in conjunction with concrete accompanying drawing.
Referring to Fig. 1, this figure is the car-mounted information apparatus first embodiment structural drawing of the present invention.
The described car-mounted information apparatus of first embodiment of the invention comprises bus interface board 1, first CPU board 2, second CPU board 3 and Redundant Control plate 4.
Have first CPU board 2 of PC104 bus control right or second CPU board 3 as described host CPU, carry out data interaction by PC104 bus and described bus interface board 1, another CPU board is at this moment from CPU.
Described Redundant Control plate 4 all links to each other from CPU with described with described host CPU, is used to monitor the state of described first CPU board 2 and described second CPU board 3, according to the control of described state assignment PC104 bus.
Bus interface board 1 can be the various types of bus interface boards that are used to monitor the every data of locomotive.Described host CPU carries out the mutual of data by PC104 bus and described various types of bus interface board.
The described car-mounted information apparatus of the embodiment of the invention comprises first CPU board 2 and second CPU board 3, have first CPU board 2 of PC104 bus control right or second CPU board 3 as described host CPU, carry out data interaction by PC104 bus and described bus interface board 1, another CPU board is at this moment from CPU.First CPU board 2 all links to each other with Redundant Control plate 4 with second CPU board 3, and the state of described Redundant Control plate 4 described first CPU board 2 of monitoring and described second CPU board 3 is according to the control of described state assignment PC104 bus.When Redundant Control plate 4 monitors host CPU duty undesired, forbid that the host CPU plate continues control bus, simultaneously, will obtain the control of bus from CPU board, finish the writing function of data.So just can solve when in a single day the host CPU plate breaks down, can finish the storage and the Fault Diagnosis of data, guarantee data validity from CPU board.
Described first CPU board 2 and second CPU board 3 communicate by described Redundant Control plate 4, be in first CPU board 2 of host CPU position or second CPU board 3 and the data in real time that monitors can be sent to and be in described second CPU board 3 or first CPU board 2, be in described second CPU board 3 or first CPU board 2 described data are backed up from the CPU position from the CPU position.So just can guarantee to be in the data of from second CPU board 3 of CPU position or first CPU board 2, preserving and be in first CPU board 2 of host CPU position or the Monitoring Data of the preservation in second CPU board 3 is consistent.Break down in case be in first CPU board 2 or second CPU board 3 of host CPU position, switch to second CPU board 3 or first CPU board 2 that are in from the CPU position and be host CPU, can also guarantee the continuity and the authenticity of data.
Described first CPU board 2 of host CPU position or the storage and the Fault Diagnosis of the data that second CPU board 3 is responsible for monitoring of being in.First CPU board 2 or second CPU board 3 that are in the host CPU position have the described data that monitor of analysis, and described data are handled, and diagnose out concrete failure cause.
Preserving data and the Fault Diagnosis that monitors about CPU, is prior art, can adopt existing CPU board to realize this function.The described host CPU of the embodiment of the invention need be communicated by letter with 4 of described Redundant Control plates, and can determine whether to communicate with the PC104 bus according to the control of described Redundant Control plate 4.
Described Redundant Control plate 4 can be in real time or periodic monitor first CPU board or second CPU board that are in the host CPU position whether be in normal operating conditions.
Whether first CPU board or second CPU board that the monitoring in real time of the described Redundant Control plate 4 of the preferred embodiment of the present invention is in the host CPU position are in normal operating conditions.When described Redundant Control plate 4 monitoring in real time is in first CPU board 2 of host CPU position or second CPU board 3 and is in abnormal operating state, forbid being in first CPU board 2 or second CPU board, 3 control buss of host CPU position, and the control of distributing the PC104 bus is to current second CPU board 3 or first CPU board 2 that is in from the CPU position, is in from second CPU board 3 or first CPU board 2 of CPU position to switch to host CPU.Described second CPU board 3 of host CPU position or storage and the Fault Diagnosis that first CPU board 2 is responsible for data of being in after the switching.
Referring to Fig. 2, this figure is the car-mounted information apparatus second embodiment structural drawing of the present invention.
Relative first embodiment of car-mounted information apparatus second embodiment of the present invention, described Redundant Control plate 4 specifically comprises processing unit 41 and receiving element 42.
Described Redundant Control plate 4 comprises processing unit 41 and receiving element 42;
Described receiving element 42 is used to receive described host CPU and described data from CPU.Described receiving element 42 all links to each other from CPU with described with described host CPU, is used to receive the data that host CPU sends, and is sent to described from CPU.
Described receiving element 42 is by Ethernet and described host CPU and describedly communicate from CPU.
Described processing unit 41 links to each other from CPU with described with described host CPU by condition line.Described processing unit 41 is used to monitor the state of described first CPU board and described second CPU board, according to the control of described state assignment PC104 bus.
Car-mounted information apparatus of the present invention comprises first CPU board 2 and second CPU board 3, have first CPU board 2 of PC104 bus control right or second CPU board 3 as described host CPU, carry out data interaction by PC104 bus and described bus interface board 1, another CPU board is at this moment from CPU.First CPU board 2 and second CPU board 3 all communicate with the receiving element 42 of Redundant Control plate 4, and processing unit 41 described first CPU board 2 of monitoring of described Redundant Control plate 4 and the state of described second CPU board 3 are according to the control of described state assignment PC104 bus.When the processing unit 41 of Redundant Control plate 4 monitors host CPU duty undesired, forbid that the host CPU plate continues control bus, simultaneously, control switches to host CPU from the control that CPU board obtains bus, finishes the writing function of data.So just can solve when in a single day the host CPU plate breaks down, can finish the storage and the Fault Diagnosis of data, guarantee data validity from CPU board.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1, a kind of car-mounted information apparatus is characterized in that, comprises bus interface board, first CPU board, second CPU board and Redundant Control plate;
Have first CPU board of PC104 bus control right or second CPU board as described host CPU, carry out data interaction by PC104 bus and described bus interface board, another CPU board is at this moment from CPU;
Described Redundant Control plate all links to each other from CPU with described with described host CPU, is used to monitor the state of described first CPU board and described second CPU board, according to the control of described state assignment PC104 bus.
2, car-mounted information apparatus according to claim 1, it is characterized in that, described first CPU board and second CPU board communicate by described Redundant Control plate, be in first CPU board of host CPU position or second CPU board and the data that monitor are sent to when firm and hard by described Redundant Control are in described second CPU board or first CPU board, be in described second CPU board or first CPU board described data are backed up from the CPU position from the CPU position.
3, car-mounted information apparatus according to claim 1 is characterized in that, described first CPU board of host CPU position or storage and the Fault Diagnosis that second CPU board is responsible for data of being in.
4, car-mounted information apparatus according to claim 1 is characterized in that, monitors first CPU board or second CPU board that are in the host CPU position when described Redundant Control is firm and hard and whether is in normal operating conditions.
5, car-mounted information apparatus according to claim 4, it is characterized in that, when monitoring was in first CPU board of host CPU position or second CPU board and is in abnormal operating state when described Redundant Control was firm and hard, forbid being in first CPU board or the second CPU board control bus of host CPU position, and the control of distributing the PC104 bus is to current second CPU board or first CPU board that is in from the CPU position, is in from second CPU board or first CPU board of CPU position to switch to host CPU.
6, car-mounted information apparatus according to claim 5 is characterized in that, described second CPU board of host CPU position or storage and the Fault Diagnosis that first CPU board is responsible for data of being in after the switching.
7, car-mounted information apparatus according to claim 1 is characterized in that, described Redundant Control plate links to each other from CPU with described with described host CPU by condition line.
8, car-mounted information apparatus according to claim 1 is characterized in that, described Redundant Control plate comprises processing unit and receiving element;
Described receiving element is used to receive described host CPU and described data from CPU;
All link to each other from CPU with described with described host CPU, be used to receive the data that described host CPU sends, and be sent to described from CPU;
Described processing unit is used to monitor the state of described first CPU board and described second CPU board, according to the control of described state assignment PC104 bus.
9, car-mounted information apparatus according to claim 8 is characterized in that, described receiving element is by Ethernet and described host CPU and describedly communicate from CPU.
10, car-mounted information apparatus according to claim 8 is characterized in that, described processing unit 41 links to each other from CPU with described with described host CPU by condition line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100001704A CN101477329B (en) | 2008-01-02 | 2008-01-02 | Vehicle-mounted information apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100001704A CN101477329B (en) | 2008-01-02 | 2008-01-02 | Vehicle-mounted information apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN101477329A true CN101477329A (en) | 2009-07-08 |
| CN101477329B CN101477329B (en) | 2010-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008100001704A Active CN101477329B (en) | 2008-01-02 | 2008-01-02 | Vehicle-mounted information apparatus |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105425579A (en) * | 2015-12-23 | 2016-03-23 | 中车大连机车车辆有限公司 | Redundancy control method of locomotive |
| CN105752000A (en) * | 2016-01-11 | 2016-07-13 | 苏州恒美电子科技有限公司 | Automobile master control system |
| CN106373215A (en) * | 2015-07-22 | 2017-02-01 | 丰田自动车株式会社 | On-board recording system |
| CN116915584A (en) * | 2023-09-08 | 2023-10-20 | 新华三技术有限公司 | Method and device for processing online computing exception |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1301473C (en) * | 2003-09-17 | 2007-02-21 | 中兴通讯股份有限公司 | Multiprocessor system and method for sharing bootstrap module thereof |
| CN2661527Y (en) * | 2003-12-23 | 2004-12-08 | 株洲时代集团公司 | Novel screen display of train monitoring device |
| JP4266358B2 (en) * | 2004-04-12 | 2009-05-20 | 三菱電機株式会社 | In-vehicle electronic control unit |
| CN2755678Y (en) * | 2004-12-20 | 2006-02-01 | 潍坊华光通讯有限公司 | Central processor of program-control dispatch telecommunicating system |
| CN100541365C (en) * | 2006-11-06 | 2009-09-16 | 中国科学院电工研究所 | A kind of embedded real-time control system of Industrial Ethernet |
-
2008
- 2008-01-02 CN CN2008100001704A patent/CN101477329B/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106373215A (en) * | 2015-07-22 | 2017-02-01 | 丰田自动车株式会社 | On-board recording system |
| CN106373215B (en) * | 2015-07-22 | 2019-06-25 | 丰田自动车株式会社 | Vehicle-mounted recording system |
| CN105425579A (en) * | 2015-12-23 | 2016-03-23 | 中车大连机车车辆有限公司 | Redundancy control method of locomotive |
| CN105425579B (en) * | 2015-12-23 | 2017-12-29 | 中车大连机车车辆有限公司 | locomotive redundancy control method |
| CN105752000A (en) * | 2016-01-11 | 2016-07-13 | 苏州恒美电子科技有限公司 | Automobile master control system |
| CN116915584A (en) * | 2023-09-08 | 2023-10-20 | 新华三技术有限公司 | Method and device for processing online computing exception |
| CN116915584B (en) * | 2023-09-08 | 2023-12-08 | 新华三技术有限公司 | Method and device for processing online computing exception |
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| Publication number | Publication date |
|---|---|
| CN101477329B (en) | 2010-11-10 |
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Address after: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee after: ZHUZHOU CRRC TIMES ELECTRIC Co.,Ltd. Address before: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road Patentee before: ZHUZH CSR TIMES ELECTRIC Co.,Ltd. |
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