CN202067321U - Vehicle running data acquiring and recording device - Google Patents
Vehicle running data acquiring and recording device Download PDFInfo
- Publication number
- CN202067321U CN202067321U CN2011200415853U CN201120041585U CN202067321U CN 202067321 U CN202067321 U CN 202067321U CN 2011200415853 U CN2011200415853 U CN 2011200415853U CN 201120041585 U CN201120041585 U CN 201120041585U CN 202067321 U CN202067321 U CN 202067321U
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- microcontroller
- bus
- recording device
- signal
- flash memory
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Abstract
The utility model discloses a vehicle running data acquiring and recording device comprising a microcontroller and a CAN (Controller Area Network) bus used for transmitting equipment signals, wherein the CAN bus is connected with the microcontroller through a CAN bus communication module; and the microcontroller is also integrated and connected with a Flash memory, a keyboard, a display, an RS-232 serial communication interface and a voltage comparison module used for comparing and judging a switching value signal and a pulse value signal output by vehicle equipment and transmitting the signals to the microcontroller. The device acquires data more conveniently and comprehensively, does not need professionals to work with various detection tools, can improve running efficiency, stores the data acquired by using the large-capacity Flash memory in a safe and reliable manner, and realizes the output of the data stored in the Flash memory by matching with the RS-232 serial communication interface.
Description
Technical field
The utility model relates to a kind of data information acquisition pen recorder of vehicle operating.
Background technology
The data acquisition modes of existing vehicle carries specialized equipment to automobile for the professional, be connected to OBD (On-Board Diagnostics by socket, OBD) realizes fault diagnosis on the K line of diagnostics port, or by CAN (Controller Area Network, controller area network) bus collection.There are some defectives in it, such as: need the professional to go to the service of detection, need carry checkout equipment, computing machine etc., and different device fails, its pick-up unit often can not be compatible.So need a kind of can the device that the service data of each equipment of vehicle is gathered and can be noted the appearance.
Summary of the invention
At above-mentioned prior art, the technical problems to be solved in the utility model provides a kind of vehicle operation data acquisition and recording device.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme: a kind of vehicle operation data acquisition and recording device, comprise microcontroller and the CAN bus that is used for the transmission equipment signal, the CAN bus is connected with microcontroller by the CAN bus communication module, also be integrated and connected on the microcontroller Flash storer, keyboard, display, RS-232 serial communication interface and be used for the switching value signal and the pulsed quantity signal of vehicle arrangement output are compared judgement, and be transferred to the voltage comparison module of microcontroller.
Further, the equipment that connects on the CAN bus comprises ABS parts, wheel box parts, engine components, ECAS parts.
Compared with prior art, the utlity model has following advantage: image data is convenient and comprehensive, do not need the professional to go to operation carrying various testing tools, can improve operational efficiency, by using high capacity Flash storer the data of gathering are stored, safe and reliable, cooperate the RS-232 serial communication interface, realize being stored in the data output in the Flash storer.
Description of drawings
Fig. 1 is the structured flowchart of the utility model embodiment.
Embodiment
The utility model will be further described below in conjunction with drawings and Examples.
Referring to Fig. 1, a kind of vehicle operation data acquisition and recording device, comprise microcontroller and the CAN bus that is used for the transmission equipment signal, described microcontroller is preferably the ARM microcontroller of ARM framework, the equipment that connects on the described CAN bus comprises ABS parts, wheel box parts, engine components, ECAS parts, wherein engine components also are connected with the vehicle arrangement of output simulating signal, and the analog signals of described vehicle arrangement output comprises supply voltage, atmospheric pressure, oil temperature, engine oil pressure, coolant temperature, intake air temperature;
The CAN bus is connected with microcontroller by the CAN bus communication module; Described CAN bus communication module comprises from the CAN bus and receives data and be transferred to the CAN bus transceiver of CAN controller and CAN bus format data-switching become the spi bus formatted data and be transferred to the CAN controller of microcontroller, CAN bus transceiver one end directly links to each other with the CAN bus, the other end connects the CAN controller, and the CAN controller links to each other with microcontroller;
The Flash storer also has been integrated and connected on the described microcontroller, keyboard, display, RS-232 serial communication interface and be used for the switching value signal and the pulsed quantity signal of vehicle arrangement output are compared judgement, and be transferred to the voltage comparison module of microcontroller, the pulsed quantity signal of described vehicle arrangement output comprises vehicle speed signal and engine rotational speed signal, the switching value signal of described vehicle arrangement output comprises the Qianmen switching signal, middle door switch signal, retarder work number of times, the shoe brake wear signal, the ABS number of times of working, reversing open and close signal, air-conditioning open and close signal, well heater open and close signal, the Passive Shape Control input signal, brake signal, clutch engagement signal and empty filter alerting signal etc.
Claims (2)
1. vehicle operation data acquisition and recording device, comprise microcontroller and the CAN bus that is used for the transmission equipment signal, it is characterized in that: the CAN bus is connected with microcontroller by the CAN bus communication module, also be integrated and connected on the microcontroller Flash storer, keyboard, display, RS-232 serial communication interface and be used for the switching value signal and the pulsed quantity signal of vehicle arrangement output are compared judgement, and be transferred to the voltage comparison module of microcontroller.
2. a kind of vehicle operation data acquisition and recording device according to claim 1, it is characterized in that: the equipment that connects on the CAN bus comprises ABS parts, wheel box parts, engine components, ECAS parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200415853U CN202067321U (en) | 2011-02-18 | 2011-02-18 | Vehicle running data acquiring and recording device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200415853U CN202067321U (en) | 2011-02-18 | 2011-02-18 | Vehicle running data acquiring and recording device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202067321U true CN202067321U (en) | 2011-12-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200415853U Expired - Fee Related CN202067321U (en) | 2011-02-18 | 2011-02-18 | Vehicle running data acquiring and recording device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202067321U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102982589A (en) * | 2012-11-26 | 2013-03-20 | 奇瑞汽车股份有限公司 | Vehicle information recorder based on overall vehicle network and recording method thereof |
| CN103177487A (en) * | 2013-03-05 | 2013-06-26 | 北京轩慧国信科技有限公司 | Road vehicle working action analyzer |
| CN104268958A (en) * | 2014-08-27 | 2015-01-07 | 南车南京浦镇车辆有限公司 | Event recording method and equipment based on central control unit |
-
2011
- 2011-02-18 CN CN2011200415853U patent/CN202067321U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102982589A (en) * | 2012-11-26 | 2013-03-20 | 奇瑞汽车股份有限公司 | Vehicle information recorder based on overall vehicle network and recording method thereof |
| CN102982589B (en) * | 2012-11-26 | 2016-01-13 | 奇瑞汽车股份有限公司 | A kind of vehicle information recorder based on car load network and recording method thereof |
| CN103177487A (en) * | 2013-03-05 | 2013-06-26 | 北京轩慧国信科技有限公司 | Road vehicle working action analyzer |
| CN104268958A (en) * | 2014-08-27 | 2015-01-07 | 南车南京浦镇车辆有限公司 | Event recording method and equipment based on central control unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111207 Termination date: 20120218 |