CN202494914U - Tractor integrated information displaying system based on CAN field-bus - Google Patents
Tractor integrated information displaying system based on CAN field-bus Download PDFInfo
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- CN202494914U CN202494914U CN2012200991941U CN201220099194U CN202494914U CN 202494914 U CN202494914 U CN 202494914U CN 2012200991941 U CN2012200991941 U CN 2012200991941U CN 201220099194 U CN201220099194 U CN 201220099194U CN 202494914 U CN202494914 U CN 202494914U
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Abstract
The utility model discloses a tractor integrated information displaying system based on CAN field-bus. The displaying system comprises a main control unit (1), an engine system control unit (2), a body system control unit (3), a suspension system control unit (4), and an electrical equipment system control unit (5), wherein the main control unit (1) is connected to the engine system control unit (2), the body system control unit (3), the suspension system control unit (4), and the electrical equipment system control unit (5) via the CAN field-bus (6), and the main control unit (1) is connected to a displaying device (7) via a data cable. The displaying system provided by the utility model adopts the CAN field-bus and the novel displaying device to realize data receiving/transmitting and information sharing among components and finally realizes information displaying, thereby enabling drivers to acquire information timely and accurately, improving internal wiring efficiency, operational performance, operational sensitivity and production efficiency of a tractor, and meeting sophisticated working requirements of modern agriculture.
Description
Technical field
The utility model relates to tractor vehicle electronic device and systems technology field; Relate in particular to a kind of tractor Integrated Information Display System that between each control module of tractor, carries out the information transmission, shares and provide solution, specifically a kind of tractor Integrated Information Display System based on the CAN bus.
Background technology
Traditional tractor information display system generally adopts the electromechanical analogue instrument; Its information demonstration amount less, can only tractor necessity in service and a spot of data message be provided for the driver, and use point-to-point signal transmission form to make each control module of tractor be difficult to realize information sharing again.Simultaneously, poor reliability, instrument system wire harness that its information shows are more, and use is difficult for wiring, volume is big, cost is high, can't satisfy the requirement of modern tractor fine manipulation, lightweight, new technology.
Summary of the invention
The purpose of the utility model is the defective to prior art, and a kind of tractor Integrated Information Display System based on the CAN bus that between each control module of tractor, carries out the information transmission, shares and provide solution is provided.
The purpose of the utility model solves through following technical scheme:
A kind of tractor Integrated Information Display System based on the CAN bus; Comprise main control unit, engine system control module, bodywork system control module, suspension control module and electric equipment system control module; Described main control unit links to each other with engine system control module, bodywork system control module, suspension control module and electric equipment system control module respectively through the CAN bus, and main control unit links to each other with display device through data line.
Described main control unit comprises ECU ECU, power circuit, photoelectric isolating circuit, electrify restoration circuit, warning circuit and oscillatory circuit, and described power circuit, photoelectric isolating circuit, electrify restoration circuit, warning circuit and oscillatory circuit link to each other with ECU ECU respectively.
Described ECU ECU links to each other with engine system control module, bodywork system control module, suspension control module and electric equipment system control module respectively through the CAN bus.
Described ECU ECU links to each other with display device through data line.
Described display device is the LCD LCD.
Described photoelectric isolating circuit adopts high-speed photoelectric coupler to process.
The utility model is compared prior art has following advantage:
The utility model adopts CAN bus communication network technology and has the technological display device of Pagination Display realizes Data Receiving/transmission and information sharing and final realization information demonstration between each control module; Can effectively improve the inner wiring efficient of tractor; Saved the space greatly; Help improving running performance, Operational Figure Of Merit, the production efficiency of tractor and operation unit thereof simultaneously, make tractor reach the demand of modern agriculture fine manipulation.
The Integrated Information Display System of the utility model has the good man-machine interaction interface, and display device adopts the Pagination Display technology, reaches the target of a-table-multi-purpose when improving its utilization factor, and can be in expanded function in the continuous escalation process; The information that shows has higher precision and reliability, is convenient to the driver and obtains information in time, accurately.
The utility model is through the combination of CAN bussing technique with the display device with Pagination Display technology; For the automaticity that improves domestic agricultural machinery; Strengthen self competitive power of domestic agricultural machinery equipment production firm, promote the economic development of China to have positive effect.
Description of drawings
Accompanying drawing 1 is the structural representation of the utility model.
Wherein: 1-main control unit; 2-engine system control module; 3-bodywork system control module; 4-suspension control module; 5-electric equipment system control module; 6-CAN bus; 7-display device; 8-ECU ECU; 9-power circuit; 10-photoelectric isolating circuit; 11-electrify restoration circuit; 12-warning circuit; 13-oscillatory circuit.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described.
As shown in the figure: a kind of tractor Integrated Information Display System based on the CAN bus; Comprise main control unit 1, engine system control module 2, bodywork system control module 3, suspension control module 4 and electric equipment system control module 5; Wherein main control unit 1 comprises ECU ECU8, power circuit 9, photoelectric isolating circuit 10, electrify restoration circuit 11, warning circuit 12 and oscillatory circuit 13, and power circuit 9, photoelectric isolating circuit 10, electrify restoration circuit 11, warning circuit 12 and oscillatory circuit 13 link to each other with ECU ECU8 respectively; ECU ECU8 in the main control unit 1 links to each other with engine system control module 2, bodywork system control module 3, suspension control module 4 and electric equipment system control module 5 respectively through CAN bus 6; The interior ECU ECU8 of main control unit 1 links to each other with the display device 7 that the LCD LCD constitutes through data line; Display device 7 adopts the Pagination Display technology; Reach the target of a-table-multi-purpose when improving its utilization factor, and can be in expanded function in the continuous escalation process.
The main control unit 1 of the tractor Integrated Information Display System of the utility model connects each control module through CAN bus 6 and constitutes many console controllers LAN.Engine system control module 2, bodywork system control module 3, suspension control module 4 and electric equipment system control module 5 directly hang on the CAN bus 6 in the same manner.Engine system control module 2, bodywork system control module 3, suspension control module 4 and electric equipment system control module 5 are provided with ECU ECU in too; And be collection and the control that core is accomplished various data with it; And in real time on the ECU ECU8 in CAN bus 6 send information to main control unit 1, receive the information on the CAN bus 6 simultaneously according to SAE J1939 agreement.ECU ECU8 in the main control unit 1 shows through driving display device 7 after receiving the information of each control module in real time.Wherein the main effect of engine system control module 2 is that the form with the CAN message sends to the ECU ECU8 in the main control unit 1 after the signal Processing such as engine speed that self is collected, cooling water temperature, engine oil pressure, engine working time, fuel consumption; The main effect of bodywork system control module 3 is signals of gathering vehicle speed sensor and wheel speed sensor; The speed of a motor vehicle, the wheel speed signal processing back of tractor are sent to the ECU ECU8 in the main control unit 1 with the form of CAN message; Simultaneously the microprocessor in the ECU ECU8 obtains the slippage rate of each driving wheel of tractor through computing, and the data transmission that obtains after the processing to display device 7 shows in real time; The main effect of suspension control module 4 is the working areas that calculate tractor through the operating range of working width that obtains the tractor power tool and tractor, and sends to the ECU ECU8 in the main control unit 1 with the form of CAN message; Main control unit 1 also need obtain some other switching value information except will obtaining above-mentioned relevant information; Like warning lamp signals such as left steering lamp, right turn lamp, high beam, dipped headlights; Therefore in system, also designed electric equipment system control module 5 above-mentioned switching value signal has been sent to the ECU ECU8 in the main control unit 1 through this control module with the form of CAN message, be convenient to the driver and understand the current working condition of tractor.
Function for effective realization system; In main control unit 1, also be provided with auxiliary circuits such as power circuit 9, photoelectric isolating circuit 10, electrify restoration circuit 11, warning circuit 12 and oscillatory circuit 13; Wherein the power supply in the control module is all provided by the 12V accumulator; They provide 5V voltage to ECU ECU8 and other integration modules of system peripherals in the main control unit 1 through behind the power supply circuit 9; Photoelectric isolating circuit 10 adopts high-speed photoelectric coupler to process, and can strengthen the antijamming capability of the ECU ECU8 in the main control unit 1 like this, and can not reduce the transmission requirement of data communication; Electrify restoration circuit 11 mainly is made up of the resistance of 4.7k Ω, electric capacity and the diode of 10 μ F, and it can provide effective and reliable reset signal for the ECU ECU8 in the main control unit 1; Warning circuit 12 is made up of devices such as transistor, resistance, hummer or light emitting diodes, and its effect is mainly fault and the warning message that occurs among the output ECU ECU8; Oscillatory circuit 13 is made up of single-chip microcomputer and SJA1000 two parts; Single chip part is made up of the quartz (controlled) oscillator that the electric capacity of two 30pF adds 12MHz; SJA1000 part is made up of the quartz (controlled) oscillator that the electric capacity of two 15pF adds 16MHz, and its function is the clock source that reliable and stable is provided for ECU ECU8.
The utility model adopts CAN bus communication network technology and has the technological display device of Pagination Display realizes Data Receiving/transmission and information sharing and final realization information demonstration between each control module; Can effectively improve the inner wiring efficient of tractor; Saved the space greatly; Help improving running performance, Operational Figure Of Merit, the production efficiency of tractor and operation unit thereof simultaneously, make tractor reach the demand of modern agriculture fine manipulation.The Integrated Information Display System that is adopted has the good man-machine interaction interface, and display device adopts the Pagination Display technology, reaches the target of a-table-multi-purpose when improving its utilization factor, and can be in expanded function in the continuous escalation process; The information that shows has higher precision and reliability, is convenient to the driver and obtains information in time, accurately.This system is through the combination of CAN bussing technique with the display device with Pagination Display technology; For the automaticity that improves domestic agricultural machinery; Strengthen self competitive power of domestic agricultural machinery equipment production firm, promote the economic development of China to have positive effect.
The technology that the utility model does not relate to all can realize through prior art.
Claims (6)
1. tractor Integrated Information Display System based on the CAN bus; Comprise main control unit (1), engine system control module (2), bodywork system control module (3), suspension control module (4) and electric equipment system control module (5); It is characterized in that described main control unit (1) links to each other with engine system control module (2), bodywork system control module (3), suspension control module (4) and electric equipment system control module (5) respectively through CAN bus (6), main control unit (1) links to each other with display device (7) through data line.
2. the tractor Integrated Information Display System based on the CAN bus according to claim 1; It is characterized in that described main control unit (1) comprises ECU ECU (8), power circuit (9), photoelectric isolating circuit (10), electrify restoration circuit (11), warning circuit (12) and oscillatory circuit (13), described power circuit (9), photoelectric isolating circuit (10), electrify restoration circuit (11), warning circuit (12) and oscillatory circuit (13) link to each other with ECU ECU (8) respectively.
3. the tractor Integrated Information Display System based on the CAN bus according to claim 2 is characterized in that described ECU ECU (8) links to each other with engine system control module (2), bodywork system control module (3), suspension control module (4) and electric equipment system control module (5) respectively through CAN bus (6).
4. the tractor Integrated Information Display System based on the CAN bus according to claim 2 is characterized in that described ECU ECU (8) links to each other with display device (7) through data line.
5. according to claim 1 or 4 described tractor Integrated Information Display Systems, it is characterized in that described display device (7) is the LCD LCD based on the CAN bus.
6. the tractor Integrated Information Display System based on the CAN bus according to claim 2 is characterized in that described photoelectric isolating circuit (10) adopts high-speed photoelectric coupler to process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200991941U CN202494914U (en) | 2012-03-16 | 2012-03-16 | Tractor integrated information displaying system based on CAN field-bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200991941U CN202494914U (en) | 2012-03-16 | 2012-03-16 | Tractor integrated information displaying system based on CAN field-bus |
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| Publication Number | Publication Date |
|---|---|
| CN202494914U true CN202494914U (en) | 2012-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200991941U Expired - Fee Related CN202494914U (en) | 2012-03-16 | 2012-03-16 | Tractor integrated information displaying system based on CAN field-bus |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103220198A (en) * | 2013-03-29 | 2013-07-24 | 河南科技大学 | CAN (Controller Area Network) bus gateway controller for tractor |
| CN106444511A (en) * | 2016-10-21 | 2017-02-22 | 南京农业大学 | Electric agricultural machine CAN bus control structure |
| CN109656847A (en) * | 2018-12-26 | 2019-04-19 | 雷沃重工股份有限公司 | A kind of redundancy approach of tractor engine data |
-
2012
- 2012-03-16 CN CN2012200991941U patent/CN202494914U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103220198A (en) * | 2013-03-29 | 2013-07-24 | 河南科技大学 | CAN (Controller Area Network) bus gateway controller for tractor |
| CN106444511A (en) * | 2016-10-21 | 2017-02-22 | 南京农业大学 | Electric agricultural machine CAN bus control structure |
| CN109656847A (en) * | 2018-12-26 | 2019-04-19 | 雷沃重工股份有限公司 | A kind of redundancy approach of tractor engine data |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121017 Termination date: 20150316 |
|
| EXPY | Termination of patent right or utility model |