CN103576630A - Vehicle electrical appliance control system based on CAN bus and application thereof - Google Patents
Vehicle electrical appliance control system based on CAN bus and application thereof Download PDFInfo
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- CN103576630A CN103576630A CN201210277155.0A CN201210277155A CN103576630A CN 103576630 A CN103576630 A CN 103576630A CN 201210277155 A CN201210277155 A CN 201210277155A CN 103576630 A CN103576630 A CN 103576630A
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Abstract
The invention relates to a vehicle electrical appliance control system based on a CAN bus and application of the vehicle electrical appliance control system. The control system comprises a vehicle body control module, an engine ECU control module, a CAN instrument control display terminal and a control signal input switch, wherein the vehicle body control module, the engine ECU control module and the CAN instrument control display terminal are mutually connected through a CAN bus network, and the control signal input switch is connected with the CAN instrument control display terminal. The application concretely includes the steps that the vehicle body control module and the engine ECU control module respectively collect and process loads of all appliances and real-time working state information of an engine, and transmit the processed information to the CAN instrument control display terminal for display and state reminding. Compared with the prior art, the vehicle electrical appliance control system has the advantages of being safe, reliable, low in cost, wide in application range and the like.
Description
Technical field
The present invention relates to a kind of vehicle electric element control system, especially relate to a kind of vehicle electric element control system and application thereof based on CAN bus.
Background technology
At present, on market, the circuit of vehicle is controlled and generally to be adopted various combined switches, seesaw to add the combination that wire harness adds various control apparatuses to realize.Wherein combined switch, rocker switch are the inputs for various control signals, wire harness be for various switches to control signal pass to the electrical equipment control that various terminal appliances or topworks realize vehicle.The function that this vehicle electric element control mode has following defect to realize is simple; Cannot detect the fault of control circuit; Car load wire harness is many, and electric wire consumption is large, cost is high; Maintenance overhaul trouble; Vehicle operating security performance low.
Summary of the invention
Object of the present invention be exactly in order to overcome the defect that above-mentioned prior art exists, provide a kind of safe and reliable, cost is low, vehicle electric element control system and the application thereof based on CAN bus of applied range.
Object of the present invention can be achieved through the following technical solutions:
A kind of vehicle electric element control system based on CAN bus, comprise car body control module, Engine ECU control module, CAN instrument control display terminal and control signal input switch, described car body control module, Engine ECU control module and CAN instrument are controlled display terminal and are connected by the mutual communication of CAN bus network, and described control signal input switch is controlled display terminal with CAN instrument and is connected.
Described car body control module at least arranges one.
Described a plurality of car body control modules distribute and are arranged on automobile body.
In described car body control module, be provided with MCU control chip.
Described CAN bus is twisted-pair feeder.
An application for the vehicle electric element control system of CAN bus, this application comprises the following steps:
1) distribute and to be arranged on the real-time working status information of each electric appliance load that the car body control module collection on automobile body controls, MCU control chip, according to compiled control program in advance, carries out data processing and controls output the information gathering;
2) running parameter and the work state information of Engine ECU control module Real-time Collection engine, by CAN bus by the real-time working status information of the engine after processing, be delivered in real time on other network node of CAN bus network, realize data message and synchronously share;
3) each car body control module and Engine ECU control module, real-time working status information and warning message, are delivered to the enterprising line number of CAN instrument control display terminal by CAN bus network in real time and remind with state according to the show.
Described control program is: the work state information scope of real-time working status information and setting is compared, if real-time working status information exceeds the work state information scope of setting, produce warning message.
Compared with prior art, the present invention has the following advantages:
(1) safe and reliable: adopt CAN bus car load to control, can realize the real-time of car load operation and fault detect, safe and reliable.
(2) reduce costs: adopt the total line traffic control of CAN, by being distributed in the control module of vehicle body diverse location, control nearby, can save the length of input and output wire harness, thereby greatly reduce the electric wire consumption of car load wire harness, saved material cost.
(3) steering logic realizes simple: CAN bus control module working centre is that programmable single chip computer is controlled, and can conveniently realize the required steering logic reaching of vehicle control by revising its program.
(4) applied range: can adopt on the various vehicles such as passenger vehicle, car.
Accompanying drawing explanation
Fig. 1 is the structural representation of system of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment
As shown in Figure 1, a kind of vehicle electric element control system based on CAN bus, comprise car body control module 1, Engine ECU control module 2, CAN instrument control display terminal 3 and control signal input switch 4, described car body control module 1, Engine ECU control module 2 and CAN instrument are controlled display terminal 3 and are connected by the mutual communication of CAN bus network, and described control signal input switch 4 is controlled display terminal 3 with CAN instrument and is connected.Described car body control module 1 at least arranges one, and a plurality of car body control modules 1 distribute and are arranged on the diverse location on automobile body.In described car body control module 1, be provided with MCU control chip.Described CAN bus is twisted-pair feeder.
An application for vehicle electric element control system based on CAN bus, comprises the following steps:
1) distribute and to be arranged on the real-time working status information of each electric appliance load that the car body control module collection on automobile body controls, MCU control chip is according to prior compiled control program, the information gathering is carried out data processing and controlled output, realize the action executing of each electric appliance load of vehicle body is controlled; Described control program is: the work state information scope of real-time working status information and setting is compared, if real-time working status information exceeds the work state information scope of setting, produce warning message;
2) running parameter and the work state information of Engine ECU control module Real-time Collection engine, and carry out data processing, pass through CAN bus network by the running parameter of engine and work state information, other network control node being delivered in real time in CAN bus network is realized information data Real-Time Sharing and shows at instrument display terminal simultaneously;
3) CAN field bus instrument control display terminal is that real-time working state and the warning message that each control module transmission on CAN network node is come carries out Real time dynamic display and state prompting.
This advanced person's whole vehicle electrical equipment control mode can be saved car load wire harness consumption greatly, saves cost; The control of car load realizes closed loop, and can to detect control security higher; Can easily realize complicated electrical equipment control logic by program editing; Advanced running state monitoring function can easily be understood car load real time execution situation makes car load operation more reliably safer.
Claims (7)
1. the vehicle electric element control system based on CAN bus, it is characterized in that, comprise car body control module, Engine ECU control module, CAN instrument control display terminal and control signal input switch, described car body control module, Engine ECU control module and CAN instrument are controlled display terminal and are connected by the mutual communication of CAN bus network, and described control signal input switch is controlled display terminal with CAN instrument and is connected.
2. a kind of vehicle electric element control system based on CAN bus according to claim 1, is characterized in that, described car body control module at least arranges one.
3. a kind of vehicle electric element control system based on CAN bus according to claim 2, is characterized in that, described a plurality of car body control modules distribute and are arranged on automobile body.
4. a kind of vehicle electric element control system based on CAN bus according to claim 1, is characterized in that, is provided with MCU control chip in described car body control module.
5. a kind of vehicle electric element control system based on CAN bus according to claim 1, is characterized in that, described CAN bus is twisted-pair feeder.
6. an application for the vehicle electric element control system based on CAN bus as claimed in claim 4, is characterized in that, this application comprises the following steps:
1) distribute and to be arranged on the real-time working status information of each electric appliance load that the car body control module collection on automobile body controls, MCU control chip, according to compiled control program in advance, carries out data processing and controls output the information gathering;
2) running parameter and the work state information of Engine ECU control module Real-time Collection engine, by CAN bus by the real-time working status information of the engine after processing, be delivered in real time on other network node of CAN bus network, realize data message and synchronously share;
3) each car body control module and Engine ECU control module, real-time working status information and warning message, are delivered to the enterprising line number of CAN instrument control display terminal by CAN bus network in real time and remind with state according to the show.
7. the application of a kind of vehicle electric element control system based on CAN bus according to claim 6, it is characterized in that, described control program is: the work state information scope of real-time working status information and setting is compared, if real-time working status information exceeds the work state information scope of setting, produce warning message.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210277155.0A CN103576630A (en) | 2012-08-06 | 2012-08-06 | Vehicle electrical appliance control system based on CAN bus and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210277155.0A CN103576630A (en) | 2012-08-06 | 2012-08-06 | Vehicle electrical appliance control system based on CAN bus and application thereof |
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| CN103576630A true CN103576630A (en) | 2014-02-12 |
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| CN201210277155.0A Pending CN103576630A (en) | 2012-08-06 | 2012-08-06 | Vehicle electrical appliance control system based on CAN bus and application thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105404271A (en) * | 2015-10-28 | 2016-03-16 | 浙江中科正方电子技术有限公司 | Centralized body control system and identity early warning method thereof |
| CN107612963A (en) * | 2017-07-31 | 2018-01-19 | 芜湖宏景电子股份有限公司 | Situation of remote display system based on multimedia navigation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105404271A (en) * | 2015-10-28 | 2016-03-16 | 浙江中科正方电子技术有限公司 | Centralized body control system and identity early warning method thereof |
| CN107612963A (en) * | 2017-07-31 | 2018-01-19 | 芜湖宏景电子股份有限公司 | Situation of remote display system based on multimedia navigation |
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Application publication date: 20140212 |