CN204020565U - The automatic auxiliary gear box control system of a kind of cross-country car of 4 wheel driven in short-term - Google Patents
The automatic auxiliary gear box control system of a kind of cross-country car of 4 wheel driven in short-term Download PDFInfo
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- CN204020565U CN204020565U CN201420314367.6U CN201420314367U CN204020565U CN 204020565 U CN204020565 U CN 204020565U CN 201420314367 U CN201420314367 U CN 201420314367U CN 204020565 U CN204020565 U CN 204020565U
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 12
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- 238000013480 data collection Methods 0.000 claims description 4
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- 238000005516 engineering process Methods 0.000 abstract description 5
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- 230000005355 Hall effect Effects 0.000 description 1
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Abstract
The utility model relates to auto electronic control technology field, is specifically related to the automatic auxiliary gear box control system of a kind of cross-country car of 4 wheel driven in short-term.The utility model is comprised of control system plate, Vehicular direct-current power supply, gear knob, pedal of clutch, position coder, gearshift motor, car speed sensor, indicator lamp, CAN bus device.The utility model can receive in real time vehicle driver and by rotation gear knob, adjust the gear signal of vehicular drive mode, by pedal of clutch and car speed sensor collection, work as vehicle in front self loop environment information, drive gear shift motor to adjust the inner gearshift of auxiliary gear box, conversion two is driven and 4 wheel driven type of drive, realizes the difference of vehicle motor outputting power and distributes.The utility model in short-term automatic auxiliary gear box control system of 4 wheel driven cross-country car coordinates in short-term 4 wheel driven machinery auxiliary gear box, can realize vehicle two and drive the convenient conversion with 4 wheel driven type of drive, has promoted crossing ability, the traveling comfort of vehicle and has controlled stability.
Description
Technical field
The utility model relates to auto electronic control technology field, particularly the automatic auxiliary gear box control system of a kind of cross-country car of 4 wheel driven in short-term.
Background technology
Along with the development of automotive technology, people are to automobile pass ability, dynamic property and to control the requirement of the various performances of stability more and more higher.Auxiliary gear box is as the crucial assembly parts of realizing engine power reasonable distribution in automobile four-wheel actuation techniques, applies more and more extensively, and the convenient adjustment that electric-control system is realized power distribution for auxiliary auxiliary gear box is also more and more important.
Auxiliary gear box is a kind of mechanical device that the power of automotive engine is distributed, and the power from driving engine can be outputed to rear axle, forms two-wheel drive, or the power from driving engine is outputed to front axle and rear axle simultaneously, forms four wheel drive.Auxiliary gear box control program once adopted numerous and diverse mode of manual machinery operation at the initial stage of emerging, the vehicle that need come to a complete stop just can carry out manual operations, and type of drive conversion is very complicated.By automatic auxiliary gear box control system, only need driver according to road conditions rotation gear knob, just can realize the two convenient conversions of driving with 4 wheel driven type of drive.
Automatically auxiliary gear box control system has been simplified the switching process of vehicular drive mode greatly, has strengthened the convenience that vehicular drive mode is changed, and is applied to firmly send at present cross-country car more.Automatically the research and development of auxiliary gear box control system are those skilled in the art's technical issues that need to address.
Summary of the invention
The purpose of this utility model is to provide the automatic auxiliary gear box control system of a kind of cross-country car of 4 wheel driven in short-term, this in short-term the automatic auxiliary gear box control system of 4 wheel driven cross-country car in order to the convenient vehicle two of realizing of assisting vehicle driver, drive with 4 wheel driven type of drive and change.
The automatic auxiliary gear box control system of 4 wheel driven cross-country car, is characterized in that: control system comprises control system plate, Vehicular direct-current power supply, gear knob, pedal of clutch, position coder, gearshift motor, car speed sensor, indicator lamp, CAN bus device in short-term; Control system plate comprises micro controller system and peripheral components control circuit; Vehicular direct-current power supply is by voltage conversion circuit connection control system plate power access end mouth; Gear knob connects controller general I/O interface by three road I/O Port detecting circuit, uploads in real time current gear signal; Car speed sensor connects micro controller system pulse input by speed data collection circuit and detects interface, gathers current Vehicle Speed; Pedal of clutch connects controller general I/O interface by I/O Port detecting circuit, feedback pedal of clutch state; Gear shift motor is DC machine, by H bridge driving circuit, connects micro controller system pulse duration modulation interface; Position coder connects controller general I/O interface, and position coder and gear shift motor formation mechanical connection; Indicator lamp connects controller general I/O interface by I/O port output circuit, to driver, indicates current gear signal of living in; CAN bus is connected with micro controller system CAN bus interface by CAN controller.
The utility model possesses following function:
(1) intelligent control function: control system adopts a automotive grade micro controller system, inside have multiple can calling function and enrich I/O port, can meet this embedded design requirement.
(2) voltage conversion function: control system adopts Vehicular direct-current power supply to carry out externally fed, different because of the required operating voltage of each device, adopt voltage conversion circuit to obtain required stable operating voltage, guarantee control system is normally moved.
(3) input measuring ability: control system adopts third gear gear knob as input detector part, is connected with micro controller system numeral I/O mouth by Port detecting circuit.When driver rotates gear knob, adjust vehicular drive mode, gear change over signal is just uploaded to micro controller system.
(4) data acquisition function: control system gathers self environment conditional information by car speed sensor and pedal of clutch.Car speed sensor is selected Hall effect gear sensor, is installed on auxiliary gear box rear output shaft gear edge, and pulse accumulated value exports micro controller system to, by transmitting ratio formula, just can obtain Vehicle Speed.Pedal of clutch coordinates port testing circuit, exports pedal of clutch state value to micro controller system.
(5) output control function: gear shift motor is specially DC machine, Single-chip Controlling signal exports DC machine H bridge driving circuit to, driving circuit can drive DC machine to realize rotating, and outputs power to the inner gearshift of auxiliary gear box by turbine and worm decelerator.Position coder coordinates I/O port driver circuit gather the inner gearshift present position information of auxiliary gear box and be uploaded to micro controller system, because its positioning spigot is embedded in worm gear one end of outputting power, form mechanical connection with gear shift motor, can Real-time Feedback gear shift motor travel position, auxiliary its completes gear conversion.
(6) gear deixis: control system adopts LED lamp to driver's indicating system mode of operation and vehicular drive mode gear of living at present, can understand and whether complete adjusted gear and change by observing blink states.
(7) data communication function: it is that information media is realized system and extraneous data communication that control system adopts CAN controller, and promote communications anti-jamming by digital isolating chip.
The automatic auxiliary gear box control system of a kind of 4 wheel driven in short-term of the utility model cross-country car is applicable to 4 wheel driven cross-country car in short-term, this automatic auxiliary gear box control system can assisting vehicle driver according to road surface situation, the convenient vehicle two of realizing drives with 4 wheel driven type of drive and changes.
Accompanying drawing explanation
Fig. 1 is electric-control system peripheral components distribution schematic diagram of the present utility model.
Fig. 2 micro controller system built-in function of the present utility model is called schematic diagram.
The specific embodiment
Core of the present utility model is to provide the automatic auxiliary gear box control system of a kind of cross-country car of 4 wheel driven in short-term, and automatic auxiliary gear box control system of 4 wheel driven cross-country car assisting vehicle driver is according to road surface situation in short-term for this, and the convenient vehicle two of realizing drives with 4 wheel driven type of drive and changes.
The utility model can receive in real time vehicle driver and by rotation gear knob, adjust the gear signal of vehicular drive mode, by pedal of clutch and car speed sensor collection, work as vehicle in front self loop environment information, drive gear shift motor and utilize position coder feedback signal to adjust the inner gearshift of auxiliary gear box, by indicator lamp to the current gear transformation condition of vehicle driver's indicating system, utilize CAN bus to realize and extraneous data communication, complete vehicle two and drive the conversion with 4 wheel driven type of drive.
In order to make the art related personnel understand better the utility model design, with the specific embodiment, the utility model is described in further detail by reference to the accompanying drawings.
Please refer to Fig. 1, the automatic auxiliary gear box control system of the cross-country car of 4 wheel driven in short-term of the present utility model comprises control system plate, Vehicular direct-current power supply, gear knob, pedal of clutch, position coder, gearshift motor, car speed sensor, indicator lamp, CAN bus device.Control system plate comprises micro controller system and peripheral components control circuit, is system core control device; Vehicular direct-current power supply is by voltage conversion circuit connection control system plate power access end mouth, for the normal work of each device of system provides energy; Gear knob connects controller general I/O interface by three road I/O Port detecting circuit, uploads in real time current gear signal; Car speed sensor connects micro controller system pulse input by speed data collection circuit and detects interface, gathers current Vehicle Speed; Pedal of clutch connects controller general I/O interface by I/O Port detecting circuit, feedback pedal of clutch state; Gear shift motor is specially DC machine, by H bridge driving circuit, connects micro controller system pulse duration modulation interface, can realize DC motor positive and negative rotation and by turbine and worm decelerator, export outputting power to auxiliary gear box inner gearshift; Position coder connects controller general I/O interface by four road I/O Port detecting circuit, thereby is located worm gear one end and gear shift motor formation mechanical connection that seam is embedded in outputting power, the inner gearshift stroke of Real-time Collection auxiliary gear box; Indicator lamp connects controller general I/O interface by I/O port output circuit, to driver, indicates current gear signal of living in; CAN bus is connected with micro controller system CAN bus interface by CAN controller, realizes control system and extraneous data communication.
Please refer to Fig. 2, the automatic auxiliary gear box control system of the cross-country car of 4 wheel driven in short-term of the present utility model microcontroller adopts 16 micro controller systems of a automotive grade, based on S12CPU kernel, adopts CISC framework sophisticated vocabulary.This micro controller system comprises and enriches digital I/O port, coordinates I/O Port detecting circuit, I/O port output circuit or speed data collection circuit, can realize peripheral sensor information acquisition; Micro controller system inside has MSCAN function, supports CAN serial communication technology, and auxiliary CAN controller carries out data communication; Micro controller system inside has comparison timer function TIM and cycle interruption timer function PIT, and auxiliary speed sensor is tried to achieve Vehicle Speed by pulse accumulated value by conversion formula; Micro controller system inside has pulse width modulation function PWM, and assisted gearshift motor drive circuit regulation output pulse duration modulation duty cycle square wave regulates switching speed.
Above to this kind in short-term the structure of the automatic auxiliary gear box control system of 4 wheel driven cross-country car form and control method is set forth, to help skilled in the art to understand core concept of the present utility model.
Claims (1)
1. the automatic auxiliary gear box control system of 4 wheel driven cross-country car in short-term, is characterized in that: control system comprises control system plate, Vehicular direct-current power supply, gear knob, pedal of clutch, position coder, gearshift motor, car speed sensor, indicator lamp, CAN bus device; Control system plate comprises micro controller system and peripheral components control circuit; Vehicular direct-current power supply is by voltage conversion circuit connection control system plate power access end mouth; Gear knob connects controller general I/O interface by three road I/O Port detecting circuit, uploads in real time current gear signal; Car speed sensor connects micro controller system pulse input by speed data collection circuit and detects interface, gathers current Vehicle Speed; Pedal of clutch connects controller general I/O interface by I/O Port detecting circuit, feedback pedal of clutch state; Gear shift motor is DC machine, by H bridge driving circuit, connects micro controller system pulse duration modulation interface; Position coder connects controller general I/O interface, and position coder and gear shift motor formation mechanical connection; Indicator lamp connects controller general I/O interface by I/O port output circuit, to driver, indicates current gear signal of living in; CAN bus is connected with micro controller system CAN bus interface by CAN controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420314367.6U CN204020565U (en) | 2014-06-12 | 2014-06-12 | The automatic auxiliary gear box control system of a kind of cross-country car of 4 wheel driven in short-term |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420314367.6U CN204020565U (en) | 2014-06-12 | 2014-06-12 | The automatic auxiliary gear box control system of a kind of cross-country car of 4 wheel driven in short-term |
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| Publication Number | Publication Date |
|---|---|
| CN204020565U true CN204020565U (en) | 2014-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420314367.6U Expired - Lifetime CN204020565U (en) | 2014-06-12 | 2014-06-12 | The automatic auxiliary gear box control system of a kind of cross-country car of 4 wheel driven in short-term |
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| Country | Link |
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| CN (1) | CN204020565U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105946563A (en) * | 2016-05-13 | 2016-09-21 | 奇瑞汽车股份有限公司 | Two-wheel drive and four-wheel drive switching method of automobile |
-
2014
- 2014-06-12 CN CN201420314367.6U patent/CN204020565U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105946563A (en) * | 2016-05-13 | 2016-09-21 | 奇瑞汽车股份有限公司 | Two-wheel drive and four-wheel drive switching method of automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141217 |