CN103182935A - Control system and control method for electronic parking of automatic transmission automobile - Google Patents
Control system and control method for electronic parking of automatic transmission automobile Download PDFInfo
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- CN103182935A CN103182935A CN2013100777504A CN201310077750A CN103182935A CN 103182935 A CN103182935 A CN 103182935A CN 2013100777504 A CN2013100777504 A CN 2013100777504A CN 201310077750 A CN201310077750 A CN 201310077750A CN 103182935 A CN103182935 A CN 103182935A
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Abstract
The invention relates to a control system and a control method for electronic parking of an automatic transmission automobile. The control system comprises a circuit board with a singlechip, wherein the circuit board is provided with a tilt sensor, a GPS (Global Positioning System) module, an OBD (omnibearing-distance system ) signal input terminal, a brake lamp connector, and a gear sensor for obtaining gear signals, or the OBD signal input terminal used for obtaining gear signals directly; an electronic parking button pressing and pulling switch and an electronic parking auto key are arranged inside a driving room; the circuit board is connected to a motor power supply box and can be used for controlling the forward or reverse rotation; and the circuit board is connected to the motor through a Hall sensor so as to obtain rotational speed signals. The system and the method have the benefits as follows: firstly, by additionally adding the GPS module, the speed per hour of a vehicle is determined in an auxiliary manner so as to achieve a safer using effect; and secondly, later period modification of most vehicles are available through the adoption of the method and the system, through the improvement on the parking system of a conventional vehicle, the performance of the conventional automobile can be effectively enhanced, and vehicle accidents caused by forgetting to pull a hand brake or hand brake fault are reduced.
Description
Technical field
The present invention relates to a kind of automobile parking control system, particularly a kind of automatic catch automobile electronics parking control system and control method.
Background technology
The orthodox car Parking Brake is finished Parking by M/C, along with the propelling of urban construction process, traffic lights are more and more in the city, wait red time and number of times more and more, all need the people is pull-up and relieving Parking Brake at every turn, and this has increased people's steering vehicle work capacity.Behind automobile flameout, a lot of chaufeurs are forgotten the pull-up parking brake, have caused the generation of accident in addition.Existing electronics parking system is loaded down with trivial details, is difficult for promoting the use of in common vehicle, has influenced the popularity that electronics Parking technology is used.
Summary of the invention
Purpose of the present invention is exactly the above-mentioned defective that exists at prior art, and a kind of automatic catch automobile electronics parking control system and control method are provided.
A kind of automatic catch automobile electronics parking control system includes the circuit card (t) of micro controller system (s), and circuit card (t) is provided with obliquity sensor (j), to detect the fore-and-aft tilt angle of vehicle; Circuit card (t) is provided with GPS module (k), with the moving velocity of auxiliary detection vehicle; The input end of circuit card is connected to the OBD signal input part (b) of vehicle, obtains the speed per hour of vehicle, engine rotational speed signal, switch signal from OBD signal input part (b); Brake signal interface from wire harness of vehicle brake sensor connection to circuit card is (v), to obtain brake signal; Gear position sensor (c) is installed in the speed-changing mechanism relevant position or is directly obtained gear signal by OBD signal input part (b); Vehicle drive is indoor to arrange an electronics Parking by drag switch (d), and this electronics Parking is pressed drag switch (d) and is the press-pull type structure; Be sidelong by one of drag switch (d) in the electronics Parking and put an electronics Parking automatic key (e); Circuit card (t) is connected to the motor power case by motor power interface (o), can control the motor forward, contrarotation; Circuit card (t) is connected to motor by Hall element (p), to obtain tach signal; At a circuit card welding phonetic alarm (i); Be provided with motor initial position adjusting key (f) at circuit card.
Connect relay at circuit card (t), link to each other with stoplight stop lamp with former car parking lamp, so that during Parking, parking lamp and stoplight stop lamp are lighted.
Pin-saving chip (u) is set, to realize that the mode of operation of electronics Parking is carried out record on the circuit card (t).
Be provided with a data interface (n) at circuit card (t), to realize the change to SCM program, download the working data of electronics Parking simultaneously.
Described motor initial position adjusting key (f) with increase key (g), dwindle key (h), red light (l), green light (m) be used, and adjusts the motor initial position.
The control method of a kind of automatic catch automobile electronics Parking that the present invention mentions comprises that following method realizes:
A: when the Parking motor is sensed following arbitrary condition and is satisfied, the backguy of Parking motor tension Parking Brake:
1) when the OBD induction of signal to the speed of a motor vehicle during at low speed, and the GPS module senses vehicle speed when middle low speed, in addition, after sensing vehicle electrical gate signal (a) and closing, the Parking motor is strained the Parking Brake backguy automatically;
2) when the OBD induction of signal to the speed of a motor vehicle during at low speed, and the GPS module be can not confirm Vehicle Speed the time, in addition, after sensing vehicle electrical gate signal (a) and closing, the Parking motor is strained the Parking Brake backguy automatically;
3) when the OBD induction of signal is low speed to the speed of a motor vehicle, and the GPS module senses vehicle speed when middle low speed, in addition, be pulled upwardly the parking brake switch after, the Parking motor is strained the Parking Brake backguy automatically;
4) when the OBD induction of signal is low speed to the speed of a motor vehicle, and the GPS module be can not confirm Vehicle Speed the time, in addition, be pulled upwardly the parking brake switch after, the Parking motor is strained the Parking Brake backguy automatically;
5) when the OBD induction of signal is low speed to the speed of a motor vehicle, and the GPS module is sensed vehicle speed when middle low speed, in addition, after the electronics Parking automatic key (e) of vehicle starts, when getting access to brake signal, sense vehicle and hang into P shelves or N shelves, the Parking motor is strained the Parking Brake backguy automatically;
6) when the OBD induction of signal is low speed to the speed of a motor vehicle, and when the GPS module can not be confirmed Vehicle Speed, in addition, after the electronics Parking automatic key (e) of vehicle starts, when getting access to brake signal, sense vehicle and hang into P shelves or N shelves, the Parking motor is strained the Parking Brake backguy automatically;
B: the Parking motor loosens satisfied condition:
1) the Parking motor tightens up, when press downwards the electronics Parking by drag switch (d) after, the Parking motor loosens automatically;
2) the Parking motor tightens up, and when electronics Parking automatic key (e) started, circuit card was sensed gear not behind P shelves or N shelves, and the Parking motor unclamps automatically;
C: the affirmation of Parking motor pulling force:
The obliquity sensor sense vehicle is parked the gradient, and the variation that the operating voltage of Parking motor is parked angle with vehicle changes, when the gradient hour, give motor with less operating voltage, when motor during near locked rotor current, the Parking motor quits work; When the gradient is big, give motor with big operating voltage, when motor during near locked rotor current, the Parking motor quits work;
D: motor Hall element effect
When the Parking motor is strained, the number of turns of changeing when Hall element is sensed motor operations, when the Parking motor unclamps, the number of turns that control circuit the time changes according to tension, the corresponding number of turns of reversing sense work automatically.
In above-mentioned control method, set up phonetic alarm (i):
1) when the flame-out Parking of vehicle, obliquity sensor is sensed the gradient when big, and the Parking motor is strained simultaneously automatically, voice suggestion " the parking gradient is bigger, please hang and enter car stop ";
2) system has self-checking function, after detecting the Parking motor and surpassing the maximum functional distance, and then prompting " electronics Parking mechanical breakdown is please repaired as early as possible ";
Whether 3) system also detects other connection lines fault, as the electric switch signal fault, the OBD signal fault, brake signal fault, and other faults of circuit inside, if any fault, voice suggestion corresponding site fault then is after having checked, after the system restart, after System self-test is normal, the voice suggestion cancellation;
4) be in tension when the Parking motor, and speed per hour greater than 5 kms/hour after, automatic speech prompting is decontroled Parking Brake.
Above-mentioned low speed refers to: 2 kms/hour below, described in low speed refer to: 10 kms/hour below, certainly, can be at the velocity amplitude of different automobile types by the control employed low speed of software set different automobile types and middle low speed.
The invention has the beneficial effects as follows: the one, the present invention assists by increase GPS module the speed per hour of vehicle is measured, to reach safest result of use; The 2nd, the present invention is applicable to the later stage repacking of most vehicles, improves by the electronics parking system to existing low and middle-end vehicle, can effectively solve the performance boost of existing automobile, reduces owing to forget and pull the hand brake or vehicle safety accident that the parking brake fault causes.
Description of drawings
Accompanying drawing 1 is systematic schematic diagram of the present invention;
Accompanying drawing 2 is that electronics Parking of the present invention is by the circuit connection diagram of drag switch;
Among the last figure: vehicle electrical gate signal (a), OBD signal input part (b), gear position sensor (c), drag switch (d) is pressed in the electronics Parking, electronics Parking automatic key (e), motor initial position adjusting key (f), increase key (g), dwindle key (h), phonetic alarm (i), obliquity sensor (j), GPS module (k), red light (l), green light (m), data-interface (n), motor power interface (o), Hall element (p), parking lamp interface (q), stoplight stop lamp interface (r), micro controller system s, circuit card t, pin-saving chip (u), brake signal interface v.
The specific embodiment
With reference to accompanying drawing 1 and accompanying drawing 2, the present invention is example with the automatic catch vehicle, is described as follows to repacking electronics parking control system of the present invention:
Control system of the present invention includes a micro controller system (s) that has treater, and circuit card (t) is provided with obliquity sensor (j), to detect the fore-and-aft tilt angle of vehicle at random; Circuit card (t) has GPS module (k), with the moving velocity of auxiliary detection vehicle at any time; The input end of circuit card is connected to OBD signal input part (b), obtains the speed per hour of vehicle, engine rotational speed signal, switch signal from OBD signal input part (b); Connect a wire harness to the brake signal interface v of circuit card, to obtain brake signal from the vehicle brake sensor; Lay gear position sensor (c) in the relevant position of change speed gear box, the part vehicle can read the automobile gear level signal by the OBD interface; Place an electronics Parking at the former parking brake of automobile place and press drag switch (d), this electronics Parking is pressed drag switch (d) and is the press-pull type structure; Be sidelong by one of drag switch (d) in the electronics Parking and put an electronics Parking automatic key (e), adopt touch switch; Circuit card (t) is connected to the motor power case by motor power interface (o), can control the motor forward, contrarotation; Circuit card (t) is connected to motor by Hall element (p), to obtain tach signal; Lay relay in circuit card (t) appropriate location, link to each other with former car parking lamp, so that during Parking, parking lamp is lighted, (r) is connected with stoplight stop lamp by the stoplight stop lamp interface, stoplight stop lamp is also lighted when making Parking, avoids existing automobile when adopting the parking brake Parking, because the potential safety hazard that stoplight stop lamp does not work and causes; At a circuit card welding phonetic alarm (i); At circuit card motor initial position adjusting key (f) is set.
The control method of a kind of automatic catch automobile electronics Parking that the present invention mentions comprises that following method realizes:
A: when the Parking motor is sensed following arbitrary condition and is satisfied, the backguy of Parking motor tension Parking Brake:
1) when the OBD induction of signal to the speed of a motor vehicle during at low speed, and the GPS module senses vehicle speed when middle low speed, in addition, after sensing vehicle electrical gate signal (a) and closing, the Parking motor is strained the Parking Brake backguy automatically;
2) when the OBD induction of signal to the speed of a motor vehicle during at low speed, and the GPS module be can not confirm Vehicle Speed the time, in addition, after sensing vehicle electrical gate signal (a) and closing, the Parking motor is strained the Parking Brake backguy automatically;
3) when the OBD induction of signal is low speed to the speed of a motor vehicle, and the GPS module senses vehicle speed when middle low speed, in addition, be pulled upwardly the parking brake switch after, the Parking motor is strained the Parking Brake backguy automatically;
4) when the OBD induction of signal is low speed to the speed of a motor vehicle, and the GPS module be can not confirm Vehicle Speed the time, in addition, be pulled upwardly the parking brake switch after, the Parking motor is strained the Parking Brake backguy automatically;
5) when the OBD induction of signal is low speed to the speed of a motor vehicle, and the GPS module is sensed vehicle speed when middle low speed, in addition, after the electronics Parking automatic key (e) of vehicle starts, when getting access to brake signal, sense vehicle and hang into P shelves or N shelves, the Parking motor is strained the Parking Brake backguy automatically;
6) when the OBD induction of signal is low speed to the speed of a motor vehicle, and when the GPS module can not be confirmed Vehicle Speed, in addition, after the electronics Parking automatic key (e) of vehicle starts, when getting access to brake signal, sense vehicle and hang into P shelves or N shelves, the Parking motor is strained the Parking Brake backguy automatically;
B: the Parking motor loosens satisfied condition:
3) the Parking motor tightens up, when press downwards the electronics Parking by drag switch (d) after, the Parking motor loosens automatically;
4) the Parking motor tightens up, and when electronics Parking automatic key (e) started, circuit card was sensed gear not behind P shelves or N shelves, and the Parking motor unclamps automatically;
C: the affirmation of Parking motor pulling force:
The obliquity sensor sense vehicle is parked the gradient, and the variation that the operating voltage of Parking motor is parked angle with vehicle changes, when the gradient hour, give motor with less operating voltage, when motor during near locked rotor current, the Parking motor quits work; When the gradient is big, give motor with big operating voltage, when motor during near locked rotor current, the Parking motor quits work;
D: motor Hall element effect
When the Parking motor is strained, the number of turns of changeing when Hall element is sensed motor operations, when the Parking motor unclamps, the number of turns that control circuit the time changes according to tension, the corresponding number of turns of reversing sense work automatically.
E: audio alert function:
1) when the flame-out Parking of vehicle, obliquity sensor is sensed the gradient when big, and the Parking motor is strained simultaneously automatically, voice suggestion " the parking gradient is bigger, please hang and enter car stop ";
2) system has self-checking function, after detecting the Parking motor and surpassing the maximum functional distance, and then prompting " electronics Parking mechanical breakdown is please repaired as early as possible ";
Whether 3) system also detects other connection lines fault, as the electric switch signal fault, the OBD signal fault, brake signal fault, and other faults of circuit inside, if any fault, voice suggestion corresponding site fault then is after having checked, after the system restart, after System self-test is normal, the voice suggestion cancellation;
4) be in tension when the Parking motor, and speed per hour greater than 5 kms/hour after, automatic speech prompting is decontroled Parking Brake.
Above-mentioned low speed refers to: 2 kms/hour below, described in low speed refer to: 10 kms/hour below, certainly, can be at the velocity amplitude of different automobile types by the control employed low speed of software set different automobile types and middle low speed.
F: other logic thinkings:
1. the circuit button is taked the redundance type design, to guarantee the stability of system works.
2. develop simple management software well-known to those skilled in the art, can allow the maximum functional stroke to the electrical motor operating voltage, the speed of a motor vehicle, the trigger point of rotating speed modulating signal realizes regulating.
Advantage of the present invention is as follows: the one, and the safe speed per hour monitoring that the conventional truck Parking is adopted is vehicle wheel speed sensor, the present invention assists by increase GPS module the speed per hour of vehicle is measured, and judge to reach safest result of use by tight logic, avoid wheel speed sensors to break down or judge by accident and have no progeny, the potential safety hazard that causes;
The 2nd, existing electronics Parking Applicable scope belongs to the special train special use, and is to be applied to the vehicle production of dispatching from the factory, and the later stage repacking is then costly; The present invention is applicable to the later stage repacking of most vehicles, improves by the electronics parking system to existing low and middle-end vehicle, can effectively solve the performance boost of existing automobile, reduces owing to forget and pull the hand brake or vehicle safety accident that the parking brake fault causes.
Claims (8)
1. automatic catch automobile electronics parking control system, it is characterized in that: include the circuit card (t) of micro controller system (s), circuit card (t) is provided with obliquity sensor (j), to detect the fore-and-aft tilt angle of vehicle; Circuit card (t) is provided with GPS module (k), with the moving velocity of auxiliary detection vehicle; The input end of circuit card is connected to the OBD signal input part (b) of vehicle, obtains the speed per hour of vehicle, engine rotational speed signal, switch signal from OBD signal input part (b); Brake signal interface from wire harness of vehicle brake sensor connection to circuit card is (v), to obtain brake signal; Gear position sensor (c) is installed in the speed-changing mechanism relevant position or is directly obtained gear signal by OBD signal input part (b); Vehicle drive is indoor to arrange an electronics Parking by drag switch (d), and this electronics Parking is pressed drag switch (d) and is the press-pull type structure; Be sidelong by one of drag switch (d) in the electronics Parking and put an electronics Parking automatic key (e); Circuit card (t) is connected to the motor power case by motor power interface (o), can control the motor forward, contrarotation; Circuit card (t) is connected to motor by Hall element (p), to obtain tach signal; At a circuit card welding phonetic alarm (i); Be provided with motor initial position adjusting key (f) at circuit card.
2. automatic catch automobile electronics parking control system according to claim 1 is characterized in that: connect relay at circuit card (t), link to each other with stoplight stop lamp with former car parking lamp, so that during Parking, parking lamp and stoplight stop lamp are lighted.
3. automatic catch automobile electronics parking control system according to claim 1 is characterized in that: pin-saving chip (u) is set, to realize that the mode of operation of electronics Parking is carried out record on the circuit card (t).
4. automatic catch automobile electronics parking control system according to claim 1 is characterized in that: be provided with a data interface (n) at circuit card (t), to realize the change to SCM program, download the working data of electronics Parking simultaneously.
5. automatic catch automobile electronics parking control system according to claim 1, it is characterized in that: described motor initial position adjusting key (f) with increase key (g), dwindle key (h), red light (l), green light (m) be used, and adjusts the motor initial position.
6. the control method of automatic catch automobile electronics Parking is characterized in that comprising that following method realizes:
A: when the Parking motor is sensed following arbitrary condition and is satisfied, the backguy of Parking motor tension Parking Brake:
When the OBD induction of signal to the speed of a motor vehicle during at low speed, and the GPS module senses vehicle speed when middle low speed, in addition, after sensing vehicle electrical gate signal (a) and closing, the Parking motor is strained the Parking Brake backguy automatically;
When the OBD induction of signal to the speed of a motor vehicle during at low speed, and the GPS module be can not confirm Vehicle Speed the time, in addition, after sensing vehicle electrical gate signal (a) and closing, the Parking motor is strained the Parking Brake backguy automatically;
When the OBD induction of signal is low speed to the speed of a motor vehicle, and the GPS module senses vehicle speed when middle low speed, in addition, be pulled upwardly the parking brake switch after, the Parking motor is strained the Parking Brake backguy automatically;
When the OBD induction of signal is low speed to the speed of a motor vehicle, and the GPS module be can not confirm Vehicle Speed the time, in addition, be pulled upwardly the parking brake switch after, the Parking motor is strained the Parking Brake backguy automatically;
When the OBD induction of signal is low speed to the speed of a motor vehicle, and the GPS module is sensed vehicle speed when middle low speed, in addition, after the electronics Parking automatic key (e) of vehicle starts, when getting access to brake signal, to sense vehicle and hang into P shelves or N shelves, the Parking motor is strained the Parking Brake backguy automatically;
When the OBD induction of signal is low speed to the speed of a motor vehicle, and the GPS module is can not confirm Vehicle Speed the time, in addition, after the electronics Parking automatic key (e) of vehicle starts, when getting access to brake signal, to sense vehicle and hang into P shelves or N shelves, the Parking motor is strained the Parking Brake backguy automatically;
B: the Parking motor loosens satisfied condition:
The Parking motor tightens up, when press downwards the electronics Parking by drag switch (d) after, the Parking motor loosens automatically;
The Parking motor tightens up, and when electronics Parking automatic key (e) started, circuit card was sensed gear not behind P shelves or N shelves, and the Parking motor unclamps automatically;
C: the affirmation of Parking motor pulling force:
The obliquity sensor sense vehicle is parked the gradient, and the variation that the operating voltage of Parking motor is parked angle with vehicle changes, when the gradient hour, give motor with less operating voltage, when motor during near locked rotor current, the Parking motor quits work; When the gradient is big, give motor with big operating voltage, when motor during near locked rotor current, the Parking motor quits work;
D: motor Hall element effect
When the Parking motor is strained, the number of turns of changeing when Hall element is sensed motor operations, when the Parking motor unclamps, the number of turns that control circuit the time changes according to tension, the corresponding number of turns of reversing sense work automatically.
7. the control method of automatic catch automobile electronics according to claim 6 Parking is characterized in that: set up phonetic alarm (i) in above-mentioned control method:
When the flame-out Parking of vehicle, obliquity sensor is sensed the gradient when big, and the Parking motor is strained simultaneously automatically, voice suggestion " the parking gradient is bigger, please hang and enter car stop ";
System has self-checking function, after detecting the Parking motor and surpassing the maximum functional distance, and then prompting " electronics Parking mechanical breakdown is please repaired as early as possible ";
Whether system also detects other connection lines fault, as the electric switch signal fault, the OBD signal fault, brake signal fault, and other faults of circuit inside, if any fault, voice suggestion corresponding site fault then is after having checked, after the system restart, after System self-test is normal, the voice suggestion cancellation;
When the Parking motor is in tension, and speed per hour greater than 5 kms/hour after, automatic speech prompting is decontroled Parking Brake.
8. the control method of automatic catch automobile electronics according to claim 6 Parking, it is characterized in that: described low speed refers to: 2 kms/hour below, described in low speed refer to: 10 kms/hour below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2013100777504A CN103182935A (en) | 2013-03-12 | 2013-03-12 | Control system and control method for electronic parking of automatic transmission automobile |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013100777504A CN103182935A (en) | 2013-03-12 | 2013-03-12 | Control system and control method for electronic parking of automatic transmission automobile |
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| CN103590909A (en) * | 2013-11-08 | 2014-02-19 | 张建明 | Vehicle stopping timing automatic flameout method and system |
| CN104553991A (en) * | 2014-12-02 | 2015-04-29 | 上海大众汽车有限公司 | Reminding method and system applicable to automatic transmission vehicle |
| CN106335486A (en) * | 2016-09-14 | 2017-01-18 | 成都雅骏新能源汽车科技股份有限公司 | Gear-shifting parking system for pure-electric delivery vehicle with parking function |
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Application publication date: 20130703 |