CN202935342U - Intelligent hill start control system based on single chip microcomputer - Google Patents
Intelligent hill start control system based on single chip microcomputer Download PDFInfo
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- CN202935342U CN202935342U CN 201220642169 CN201220642169U CN202935342U CN 202935342 U CN202935342 U CN 202935342U CN 201220642169 CN201220642169 CN 201220642169 CN 201220642169 U CN201220642169 U CN 201220642169U CN 202935342 U CN202935342 U CN 202935342U
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Abstract
The utility model discloses an intelligent hill start control system based on a single chip microcomputer. The intelligent hill start control system comprises a parking brake position sensor, an accelerator position sensor, a clutch position sensor, an engine rotation speed sensor, an automobile acceleration speed sensor, an analog to digital (A\D) converter, a micron control chip, a first stepping motor and a second stepping motor, wherein the parking brake position sensor, the accelerator position sensor, the clutch position sensor, the engine rotation speed sensor and the automobile acceleration speed sensor are simultaneously connected with the A\D converter, the A\D converter is connected with the micro control chip, the micro control chip is connected with the first stepping motor and the second stepping motor, the first stepping motor is connected with a clutch, and the second stepping motor is connected with an accelerator. The control system can enable the automobile to start stably, can enable the automobile to start stably on a ramp and prevents the automobile from being flameout, retreating and the like.
Description
Technical field:
The utility model relates to a kind of control system of intelligent half way up the mountain starting, especially a kind of control system of SCM Based intelligent half way up the mountain starting.
Background technology:
Fast development along with Chinese national economy, automobile has played very important effect in people's life, it is very large convenient that automobile brings to people, but the further increase along with automobile pollution, urban traffic blocking has been current instant problem, especially in peak load conditions on and off duty, the urban traffic blocking situation is particularly serious.When running into vehicle congestion when running car during at city intersection or at uphill road, chaufeur will be controlled starting and the parking of automobile balance at any time, chaufeur will be stepped on clutch when can not pass through in the place ahead, step on running brake, the pull-up Parking Brake is during current can enough passing through, chaufeur first will gently be lifted power-transfer clutch, put down Parking Brake when vibrations occur automobile, dub throttle, automobile is advanced.It is steadily skilled fast that this process is wanted, so just very high to the technical requirements of chaufeur half way up the mountain starting.For new hand, be difficult to accomplish skilled grasp, too fast and throttle is stepped on too smallly just is easy to cause automobile flameout if clutch is lifted, if it is too small that clutch is lifted, automobile power is less than resistance on half way up the mountain, and automobile will retreat, and is easy to the collision happens with the back.
The utility model content:
The purpose of this utility model is, a kind of control system of intelligent half way up the mountain starting is proposed, by the automobile existing installation is simply transformed, developed the semi-linkage position that a cover can make automobile Based Intelligent Control clutch in the ramp, make the control system that automobile can gentle start, realized that automobile can gentle start on the ramp, situation occurs to prevent automobile flameout and retreat etc.
Basic functional principle of the present utility model: chaufeur put down Parking Brake the time, the Parking Brake position transduser sends to the microcontroller chip with signal, the microcontroller chip receives throttle position switch simultaneously, clutch position sensor, car speed sensor, the electronic signal of engine speed sensor, the electronic signal that the microcontroller chip transmits by processing judges the bonding state of power-transfer clutch and transmission shaft, the control step motor is regulated throttle and clutch position, makes the automobile balance starting.
In order to achieve the above object, the utility model adopts following technical solution:
A kind of control system of SCM Based intelligent half way up the mountain starting comprises Parking Brake position transduser, throttle position switch, clutch position sensor, engine speed sensor, vehicle acceleration sensor, A D conv, microcontroller chip, the first stepping motor and the second stepping motor; Described Parking Brake position transduser, throttle position switch, clutch position sensor, engine speed sensor be connected with vehicle acceleration sensor with A the D conv be connected, A the D conv be connected with the microcontroller chip, be connected with the first stepping motor and the second stepping motor on the microcontroller chip, the first stepping motor is connected with power-transfer clutch, and the second stepping motor is connected with throttle.
Described Parking position transduser adopts the displacement pickup of SDVZ model.
Described throttle position switch adopts SS513GT SS443A throttle position switch.
Described clutch position sensor adopts the jt-c pedal position sensor.
Described engine speed sensor adopts the IP-3000 engine speed sensor.
Described A the D conv adopt the TLC0838A/D conv.
Described vehicle acceleration sensor adopts PY2-C-010.
Described microcontroller chip adopts the AT86C51 micro controller system.
Described the first stepping motor adopts the 42BYGH604A two-phase stepper motor.
Described the second stepping motor adopts the 42BYGH604A two-phase stepper motor.
The utlity model has following advantage:
First: help chaufeur to start to walk smoothly at slope Lu Shangneng, reduced the manual operator perforniance of chaufeur.
Second: automatically controlled the binding site of the best power-transfer clutch that can make vehicle starting by the microcontroller chip, the degree of wear of the power-transfer clutch of reduction, the life-span of having improved power-transfer clutch.
The the 3rd: alleviated chaufeur and run into the fatigue driving that causes because of frequent starting in the traffic congestion situation on the ramp.
Description of drawings:
Fig. 1 is the structural representation of an example of the present utility model.
Fig. 2 is workflow schematic diagram of the present utility model.
Wherein: 1 is the Parking Brake position transduser; 2 is throttle position switch; 3 is clutch position sensor; 4 is engine speed sensor; 5 is vehicle acceleration sensor; 6 be A the D signal converter; 7 is the microcontroller chip; 8 is the first stepping motor; 9 is the second stepping motor; 10 is power-transfer clutch; 11 is throttle.
The specific embodiment:
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Referring to Fig. 1, the utility model is a kind of control system of intelligent half way up the mountain starting of basic micro controller system, comprises Parking Brake position transduser, throttle position switch, clutch position sensor, engine speed sensor, vehicle acceleration sensor, A D conv, microcontroller chip, the first stepping motor and the second stepping motor; Described Parking Brake position transduser, throttle position switch, clutch position sensor, engine speed sensor be connected with vehicle acceleration sensor with A the D conv be connected, A the D conv be connected with the microcontroller chip, be connected with the first stepping motor and the second stepping motor on the microcontroller chip, the first stepping motor is connected with power-transfer clutch, and the second stepping motor is connected with throttle.
chaufeur travels when preparing starting on the ramp, put down Parking Brake, Parking Brake position transduser 1 is passed to microcontroller chip 7 with the signal of Parking Brake change in location, microcontroller chip 7 is accepted throttle position switch 2 simultaneously, clutch position sensor 3, the electronic signal of engine speed sensor 4 and vehicle acceleration sensor 5, when microcontroller chip 7 detects pickup when negative, microcontroller chip 7 is controlled the first stepping motor 8 and is raised clutch-pedal clearance, power-transfer clutch is connected with transmission shaft, be timing when microcontroller chip 7 detects pickup, microcontroller chip 7 sends instruction to the first stepping motor 8, make pedal of clutch keep the motionless size that judges engine speed, when engine speed less than 800r/min, microcontroller chip 7 is controlled the second stepping motor 9 strengthens throttle, improve engine speed, when engine speed surpasses 2000r/mim, microcontroller chip 7 is controlled the second stepping motor 9 and is reduced throttle, reduce engine speed, make engine speed remain on the scope of suitable starting.
Referring to Fig. 2, workflow of the present utility model is as follows:
Step 1: initialization.
Step 2: microcontroller chip 7 receives the information that Parking Brake position transduser 1 sends in real time, judges that whether the Parking Brake position changes, and has to change step 3 over to, otherwise changes step 1 over to.
Step 3: the electronic signal that receives throttle position switch 2, clutch position sensor 3, engine speed sensor 4, acceleration sensor 5.
Step 4: microcontroller chip 7 judges pickup whether for just according to the information of receiving, as for canonical changes step 5 over to, otherwise changes step 8 over to.
Step 5: the first stepping motor 8 is motionless, keeps clutch-pedal clearance constant.
Step 6: whether microcontroller chip 7 judges rotating speed of automobile engine less than 800r/min, is to change step 7 over to, otherwise changes step 9 over to.
Step 7: the second stepping motor 9 is moving, and open the throttle wide makes the raising rotating speed of automobile engine.
Step 8: the first stepping motor 8 is moving, raises clutch play.
Step 9: whether microcontroller chip 7 judges rotating speed of automobile engine greater than 2000r/min, is to change step 10 over to, otherwise the automobile balance starting.
Step 10: the second stepping motor 9 is moving, reduces throttle, reduces rotating speed of automobile engine, is that rotating speed of automobile engine remains in specified starting scope.
Advantage of the present utility model is mainly reflected in: when starting to walk on the road of slope, automatically controlled the binding site of the best power-transfer clutch that can make vehicle starting by the microcontroller chip, can help chaufeur to start to walk smoothly, the degree of wear of the power-transfer clutch that reduces, improved the life-span of power-transfer clutch, alleviated chaufeur and run into the fatigue driving that causes because of frequent starting in the traffic congestion situation on the ramp.Therefore, the control system tool of the exploitation one intelligent half way up the mountain starting of cover is of great significance.
the above, it is only preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, although the present invention discloses as above with preferred embodiment, yet be not to limit the present invention, any those skilled in the art, within not breaking away from the technical solution of the present invention scope, when the method that can utilize above-mentioned announcement and technology contents are made a little change or be modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, any simple modification that foundation technical spirit of the present invention is done above embodiment, equivalent variations and modification, still belong in the scope of technical solution of the present invention.
Claims (10)
1. the control system of a SCM Based intelligent half way up the mountain starting, is characterized in that: comprise Parking Brake position transduser, throttle position switch, clutch position sensor, engine speed sensor, vehicle acceleration sensor, A D conv, microcontroller chip, the first stepping motor and the second stepping motor; Described Parking Brake position transduser, throttle position switch, clutch position sensor, engine speed sensor be connected with vehicle acceleration sensor with A the D conv be connected, A the D conv be connected with the microcontroller chip, be connected with the first stepping motor and the second stepping motor on the microcontroller chip, the first stepping motor is connected with power-transfer clutch, and the second stepping motor is connected with throttle.
2. control system as claimed in claim 1, is characterized in that: the displacement pickup of described Parking position transduser employing SDVZ model.
3. control system as claimed in claim 1, is characterized in that: described throttle position switch employing SS513GT-SS443A throttle position switch.
4. control system as claimed in claim 1, is characterized in that: described clutch position sensor employing JT-c pedal position sensor.
5. control system as claimed in claim 1, is characterized in that: described engine speed sensor employing IP-3000 engine speed sensor.
6. control system as claimed in claim 1 is characterized in that: described A the D conv adopt the TLC0838A/D conv.
7. control system as claimed in claim 1, is characterized in that: described vehicle acceleration sensor employing PY2-C-010.
8. control system as claimed in claim 1, is characterized in that: described microcontroller chip employing AT86C51 micro controller system.
9. control system as claimed in claim 1, is characterized in that: described the first stepping motor employing 42BYGH604A two-phase stepper motor.
10. control system as claimed in claim 1, is characterized in that: described the second stepping motor employing 42BYGH604A two-phase stepper motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220642169 CN202935342U (en) | 2012-11-28 | 2012-11-28 | Intelligent hill start control system based on single chip microcomputer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220642169 CN202935342U (en) | 2012-11-28 | 2012-11-28 | Intelligent hill start control system based on single chip microcomputer |
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| Publication Number | Publication Date |
|---|---|
| CN202935342U true CN202935342U (en) | 2013-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220642169 Expired - Fee Related CN202935342U (en) | 2012-11-28 | 2012-11-28 | Intelligent hill start control system based on single chip microcomputer |
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| Country | Link |
|---|---|
| CN (1) | CN202935342U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104724118A (en) * | 2013-12-19 | 2015-06-24 | 罗伯特·博世有限公司 | Method And Device For Adjusting The Driving Speed Of Vehicle |
| CN104875742A (en) * | 2015-05-15 | 2015-09-02 | 北汽福田汽车股份有限公司 | Hill starting control method, system of double-model HEV (Hybrid Electric Vehicle) and HEV |
-
2012
- 2012-11-28 CN CN 201220642169 patent/CN202935342U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104724118A (en) * | 2013-12-19 | 2015-06-24 | 罗伯特·博世有限公司 | Method And Device For Adjusting The Driving Speed Of Vehicle |
| CN104724118B (en) * | 2013-12-19 | 2018-10-19 | 罗伯特·博世有限公司 | Method and apparatus for the travel speed for adjusting vehicle |
| CN104875742A (en) * | 2015-05-15 | 2015-09-02 | 北汽福田汽车股份有限公司 | Hill starting control method, system of double-model HEV (Hybrid Electric Vehicle) and HEV |
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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: 20130515 Termination date: 20131128 |