CN102358284A - Electronically controlled parking system for automobile - Google Patents
Electronically controlled parking system for automobile Download PDFInfo
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- CN102358284A CN102358284A CN2011102032304A CN201110203230A CN102358284A CN 102358284 A CN102358284 A CN 102358284A CN 2011102032304 A CN2011102032304 A CN 2011102032304A CN 201110203230 A CN201110203230 A CN 201110203230A CN 102358284 A CN102358284 A CN 102358284A
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Abstract
The invention relates to the technical field of automobile safety systems, and particularly discloses an electronically controlled parking system for an automobile. The system is used for preventing the automobile from accidentally moving in parking. The system comprises a parking signal provision device, a speed signal provision device, a parking controller, a parking actuator, a ratchet, a state display lamp and a failure display lamp, wherein the parking signal provision device provides a parking signal for the parking controller; the speed signal provision device provides a speed signal for the parking controller; the parking controller transmits an action instruction to the parking actuator according to the signals, and the parking actuator locks or releases the ratchet which is fixed together with an entire transmission system, thereby fulfilling the aim of parking; the parking controller drives the state display lamp of the parking system to display a current parking state, and drives the failure display lamp of the parking system to display the current failure information of the parking system; and the parking locking action may be actuated only when speed is zero, and risks and damages to the actuator can be avoided even though a driver falsely puts the automobile in a parking gear when driving the automobile.
Description
Technical field
The present invention relates to the automobile safety system technical field, particularly a kind of automobile parking technology, especially a kind of automobile electrical control parking system.
Background technology
Mobile for preventing to meet accident behind the parking of automobile; Especially on the ramp, meeting accident, it is sloping to slip, and solution commonly used at present is: a cover parking locking mechanism is set, and this lockable mechanism mainly comprises ratchet, ratchet; Ratchet is fixed on the output shaft of change-speed box; Through operating handle and drag-line ratchet is operated, ratchet is carried out locking or release, reach the purpose of parking lock.The realization simple in structure, easy of this solution; It is the especially structural shape that generally adopts of automatic gear car of present automobile; But its maximum shortcoming is: when driving, chaufeur is entered car stop in case mistake is hung, and will cause driving system stuck; Destroy transmission system and very easily cause the danger of cross-up, the vehicle of all band mechanical type halting mechanisms all requires chaufeur when vehicle ', to forbid hanging and enters car stop.
For solving the unsafe problem of above-mentioned mechanical type halting mechanism, need a kind of safer Parking solution.
Summary of the invention
The objective of the invention is deficiency, propose a kind of safe, operation automobile electrical control parking system light, easy to implement prior art.
The present invention adopts following technical scheme to realize:
A kind of automobile electrical control parking system; Prevent when being used to park that accidental shifting from appearring in automobile; It is characterized in that: comprise Parking signal generator, GES generator, Parking controller, Parking actr, ratchet, parking system state display lamp and parking system fault display lamp; The Parking controller is electrically connected with Parking signal generator, GES generator, Parking actr, parking system state display lamp, parking system fault display lamp respectively; The Parking controller sends action command according to the electric signal that Parking signal generator, GES generator provide to the Parking actr, and the ratchet on the Parking actr cooperates with the ratchet that is fixed on the car load transmission system.
The condition that Parking controller of the present invention sends control command is one will receive the Parking signal, and two to want current vehicle speed be zero.
Parking actr of the present invention mainly comprises: motor, worm screw, fan-shaped helical wheel, connecting rod, slidiing pin, rotating pin, ratchet, torsion spring, pawl axis, angle position sensor, fan-shaped helical gear shaft, and the mouth of motor is connected with worm screw; It is secondary that worm screw and fan-shaped helical wheel constitute a deceleration transmission; One end of fan-shaped helical gear shaft is crossed to win with fan-shaped helical wheel and is fitted in, and the other end connects the angle position sensor; The ratchet sky is enclosed within on the pawl axis, suit torsion spring on the pawl axis, and torsion spring one end is fixed, the other end colludes on ratchet; Slidiing pin and rotating pin are crossed respectively to win and are fitted on fan-shaped helical wheel and the ratchet; Connecting rod two ends sky respectively are enclosed within on slidiing pin and the rotating pin.
Any one revolving part in ratchet of the present invention and the car load transmission system messenger chain be fixed together all can, so this automobile electrical control parking system implements very flexibly and convenient.
The operation of Parking signal generator identification of driver of the present invention intention (parking lock or release) also offers the Parking controller with the mode of electric signal; The GES generator provides GES to the Parking controller; The Parking controller sends action command to the Parking actr according to above-mentioned signal after comprehensive treatment and by the program that configures; Ratchet and automotive transmission are fixed together, and it is secondary that the ratchet that ratchet and Parking actr have is formed a ratchet and pawl arrangement, and the Parking actr only blocks ratchet through ratchet or decontrols; Parking controller drives parking system state display lamp shows the state of current Parking; Parking controller drives parking system fault display lamp shows the failure message of current parking system.
Automobile electrical control parking system of the present invention can be judged the operation intention of chaufeur automatically and gather current vehicle speed; Through the Parking controller Parking actr is sent the corresponding action instruction; Card ends or the relieving ratchet; Thereby realize the locking of car load transmission system or the automatic guidance of release are arrived the purpose of electric control parking; Adopt automobile electrical control parking system of the present invention, but it is mobile to meet accident when not only actv. prevents vehicle parking, but also actv. prevents that the mistake because of chaufeur is hung the danger that the Parking shelves bring when vehicle '; Its principle and simple in structure; Safe and reliable, easy to implement, operate light.
Description of drawings
Fig. 1 is a principle of the invention block diagram.
Fig. 2 is the structural representation of Parking actr of the present invention.
Fig. 3 is the structural representation of the connecting rod of Parking actr of the present invention.
Fig. 4 is the installation site graph of a relation of Parking actr of the present invention and ratchet.
Fig. 5 is a control flow chart of the present invention.
The specific embodiment
With reference to the accompanying drawings and combine embodiment that the present invention is further described.
The invention discloses a kind of automobile electrical control parking system; Prevent when being used to park that accidental shifting from appearring in automobile; Like Fig. 1; This system's component part comprises: Parking signal generator 1, GES generator 2, Parking controller 3, Parking actr 4, ratchet 5, parking system state display lamp 6 and parking system fault display lamp 7, Parking controller 3 are electrically connected with Parking signal generator 1, GES generator 2, Parking actr 4, parking system state display lamp 6, parking system fault display lamp 7 respectively.
The operation of Parking signal generator 1 identification of driver intention (locking or release) also offers Parking controller 3 with the mode of electric signal.
Like Fig. 4; Ratchet 5 is fixed together with automotive transmission (not showing among the figure); Ratchet 5 is formed ratchet and pawl arrangement pair with the ratchet that Parking actr 4 has; Parking actr 4 only blocks ratchet 5 through ratchet or decontrols, and has promptly realized the locking of automotive transmission or the parking function of release.
Above-mentioned basic composition and the mode that is this automobile electrical control parking system, wherein, Parking actr 4 will be described further as main actuating unit.
Like Fig. 2,3, shown in 4; Be a kind of embodiment of this Parking actr 4, it comprises: motor 8, worm screw 9, fan-shaped helical wheel 10, connecting rod 11, slidiing pin 12, rotating pin 13, ratchet 14, torsion spring 15, pawl axis 16, angle position sensor 17, fan-shaped helical gear shaft 18.
The mouth of motor 8 is connected through flat side with worm screw 9; Worm screw 9 constitutes deceleration transmission pair with fan-shaped helical wheel 10; One end of fan-shaped helical gear shaft 18 is crossed to win with fan-shaped helical wheel 10 and is fitted in, and the other end connects angle position sensor 17; Ratchet 14 skies are enclosed within on the pawl axis 16; Slidiing pin 12 is crossed respectively to win with rotating pin 13 and is fitted on fan-shaped helical wheel 10 and the ratchet 14; One end of connecting rod 11 is provided with a circular port, the other end is provided with a waist shaped hole, and the waist shaped hole sky of connecting rod 11 is enclosed within on the slidiing pin 12, the circular port sky is enclosed within on the rotating pin 13, and slidiing pin 12 has two restriction site P1 and P2 in the waist shaped hole of connecting rod 11; Torsion spring 15 is sleeved on the pawl axis 16, and an end is fixed, the other end colludes on ratchet 14.
Specify the principle of work of native system below with a Parking process (comprising parking lock and release).
As shown in Figure 5; After car stops is good; Chaufeur is through operation (hang and the move into car stop) beginning to joystick, and Parking controller 3 has judged whether the Parking request signal, if do not have; Judged whether unlocked position? Then do not carry out the release action to unlocked position, release then stops motor-driven output display lamp black out signal; If Parking controller 3 judges that having Parking request signal, 3 pairs of Parking controllers to collect this signal carries out comprehensive treatment together with the GES that collects (being provided by GES generator 2), if current vehicle speed is zero; 3 pairs of Parking actrs 4 of Parking controller send the parking lock action command; Parking actr 4 response parking lock action commands are carried out the locking action, and it is to interference position that the Parking controller is judged; Then apply one of locking direction and continue less moment output display lamp flash signal; The Parking controller has determined lock position, then stops motor-driven output, and display lamp shows normal bright signal.
Above-mentioned Parking actr 4 is carried out lockings, and to move concrete implementation following: motor 8 drives worm screw 9, fan-shaped helical wheel 10 clickwises successively; Fan-shaped helical wheel 10 drives ratchet 14 around pawl axis 16 clickwises through slidiing pin 12, connecting rod 11, rotating pin 13.
Press the diverse location of ratchet 14, the position of following three kinds of stable states arranged with respect to ratchet 5:
Unlocked position: ratchet 14 separates with ratchet 5 fully, the end position of promptly fan-shaped helical wheel 10 left-hand revolutions.
Interference position: the position when ratchet 14 is just withstood by the tooth top of ratchet 5.
Lock position: ratchet 14 falls in the teeth groove of ratchet 5 fully.
Along with ratchet 14 is made clickwise around pawl axis 16, ratchet 14 is when unlocked position moves to interference position, and ratchet 14 possibly withstood and can not continue motion by the tooth top of ratchet 5, also possibly aim at a certain teeth groove of ratchet 5 just.If ratchet 14 is just withstood by the tooth top of ratchet 5; Slidiing pin 12 will continue operation and when the P2 position of connecting rod 11 waist shaped holes, will be stuck and can not continue operation; Motor 8 also can not continue rotation thereupon; For the protection motor is not burnt, Parking this moment controller 3 provides a lasting small driving force control command for motor 8.Afterwards, vehicle needs only one small moving takes place, and ratchet 5 also will turn over certain angle thereupon, and under the application force of torsion spring 15, the teeth groove that ratchet 14 will snap in ratchet 5 rapidly is above-mentioned lock position, thereby realizes the locking to vehicle.After ratchet 14 fell in the teeth groove of ratchet 5, the position-limiting action that connecting rod 11 is removed slidiing pin 12, motor 8 drove fan-shaped helical wheel 10, that slidiing pin 12 continues motion is spacing by connecting rod 11 until again under above-mentioned lasting small driving force effect.Under the above-mentioned situation that to be ratchet 14 withstood by the tooth top of ratchet 5; Parking actr 4 action implementations; If ratchet 14 is aimed at a certain teeth groove of ratchet 5 just; Parking actr 4 action implementations are then simple many, and a certain teeth groove that ratchet 14 directly snaps in ratchet 5 reaches lock position realization locking.
Need be when automobile from the lockup state release, Parking actr 4 will carry out a series of counteragents, and ratchet 5 is removed locking.
This automobile electrical control parking system is through three positions (unlocked position, interference position, lock position) of the above-mentioned ratchet 14 of angle position sensor 17 perception with respect to ratchet 5; And drive parking system state display lamp 6 and inform the pairing state that the driver is current, displaying scheme is following:
Unlocked position: parking system state display lamp 6 extinguishes.
Interference position: parking system state display lamp 6 flickers.
Lock position: parking system state display lamp 6 Chang Liang.
What need further specify is: after ratchet 14 arrives interference position; Vehicle still might meet accident mobile; But as long as in a single day small moving take place in vehicle; Thereby ratchet 14 snaps in the complete locking vehicle of a certain teeth groove of ratchet 5 rapidly under the application force of torsion spring 15, and obviously this process does not need motor 8 work, during design adjusting of construction parameter has been guaranteed that this small moving can not influence Parking safety.Therefore; As long as flicker taken place in parking system state display lamp 6, explain that then this automobile electrical control parking system implemented the failure-free locking to vehicle, chaufeur just can close ionization to be opened; Certainly; If Parking system state display lamp 6 Chang Liang explain that then ratchet 14 has fallen into a certain teeth groove of ratchet 5 fully, any moving can not taken place by complete locking in vehicle again.
In sum, when on the ramp, parking, if parking system state display lamp 6 begins to have glimmered; If the driver also feels misgivings to the Parking safety of this moment; After all this moment ratchet 14 also inreal stuck ratchet 5, under this situation, the driver only needs releasing of brake to move slightly by vehicle; Ratchet 14 just can rapid stuck ratchet 5, and parking system state display lamp 6 Chang Liang inform that driver's vehicle by complete locking any moving can not taken place again.
Claims (7)
1. automobile electrical control parking system; Prevent when being used to park that accidental shifting from appearring in automobile; It is characterized in that: comprise Parking signal generator, GES generator, Parking controller, Parking actr, ratchet, parking system state display lamp and parking system fault display lamp; The Parking controller is electrically connected with Parking signal generator, GES generator, Parking actr, parking system state display lamp, parking system fault display lamp respectively; The Parking controller sends action command according to the signal that Parking signal generator, GES generator provide to the Parking actr, and the ratchet on the Parking actr cooperates with the ratchet that is fixed on the car load transmission system.
2. automobile electrical control parking system as claimed in claim 1; It is characterized in that: said Parking actr mainly comprises: motor, worm screw, fan-shaped helical wheel, connecting rod, slidiing pin, rotating pin, ratchet, torsion spring, pawl axis, angle position sensor, fan-shaped helical gear shaft, and the mouth of motor is connected with worm screw; It is secondary that worm screw and fan-shaped helical wheel constitute a deceleration transmission; One end of fan-shaped helical gear shaft is crossed to win with fan-shaped helical wheel and is fitted in, and the other end connects the angle position sensor; The ratchet sky is enclosed within on the pawl axis, suit torsion spring on the pawl axis, and torsion spring one end is fixed, and the other end colludes on ratchet; Slidiing pin and rotating pin are crossed respectively to win and are fitted on fan-shaped helical wheel and the ratchet; Connecting rod two ends sky respectively are enclosed within on slidiing pin and the rotating pin.
3. automobile electrical control parking system as claimed in claim 2 is characterized in that: an end of connecting rod is provided with a circular port, and the other end is provided with a waist shaped hole, and the waist shaped hole sky of connecting rod is enclosed within on the slidiing pin, the circular port sky is enclosed within on the rotating pin.
4. according to claim 1 or claim 2 automobile electrical control parking system is characterized in that: the condition that the Parking controller sends control command is one will receive the Parking signal, and two to want current vehicle speed be zero.
5. according to claim 1 or claim 2 automobile electrical control parking system is characterized in that: Parking
The actr ratchet is with respect to three stable position that have of ratchet, and Parking actr ratchet is with respect to the disengaged position homographic solution lock position of ratchet, the corresponding interference position in latch position that Parking actr ratchet withstands ratchet, the corresponding lock position in draw-in groove position that Parking actr ratchet gets into ratchet.
6. automobile electrical control parking system as claimed in claim 5 is characterized in that: corresponding three stable position of Parking actr by the Parking controller parking system state display lamp is sent respectively extinguish, three kinds of show states of flicker, Chang Liang.
7. automobile electrical control parking system as claimed in claim 6 is characterized in that: during Parking actr correspondence interference position, the Parking controller sends one to the Parking actr and continues the small driving force control command, and the parking system state display lamp is sent flicker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102032304A CN102358284A (en) | 2011-07-20 | 2011-07-20 | Electronically controlled parking system for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102032304A CN102358284A (en) | 2011-07-20 | 2011-07-20 | Electronically controlled parking system for automobile |
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| CN102358284A true CN102358284A (en) | 2012-02-22 |
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| CN2011102032304A Pending CN102358284A (en) | 2011-07-20 | 2011-07-20 | Electronically controlled parking system for automobile |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105151039A (en) * | 2015-09-17 | 2015-12-16 | 北京乐动卓越科技有限公司 | Automobile power control method and system |
| CN106402380A (en) * | 2016-05-03 | 2017-02-15 | 南京奥联汽车电子技术有限公司 | Worm gear and worm type electronic sliding prevention system for DCT transmission |
| CN106641243A (en) * | 2017-02-28 | 2017-05-10 | 南京越博动力***股份有限公司 | Auxiliary parking mechanism for automated manual transmission/electric-drive mechanical transmission (AMT/EMT) and parking method of auxiliary parking mechanism |
| CN109318834A (en) * | 2018-10-25 | 2019-02-12 | 北京新能源汽车股份有限公司 | Power chassis domain control framework and automobile |
| CN109552303A (en) * | 2018-12-21 | 2019-04-02 | 广州小鹏汽车科技有限公司 | A kind of electronic parking system, method, apparatus, medium and equipment |
| CN109591622A (en) * | 2018-12-18 | 2019-04-09 | 中国第汽车股份有限公司 | A kind of pure electric automobile parking and start to walk control method and its control system |
| CN110662676A (en) * | 2017-05-22 | 2020-01-07 | 日产自动车株式会社 | Automatic parking control method and automatic parking control device for vehicle |
| CN111086492A (en) * | 2018-10-23 | 2020-05-01 | 上汽通用汽车有限公司 | Parking brake device and automobile |
| CN111385944A (en) * | 2018-12-29 | 2020-07-07 | 北京骑胜科技有限公司 | Method, system, device and storage medium for controlling lamp of target object |
| CN111895085A (en) * | 2020-07-13 | 2020-11-06 | 东风汽车集团有限公司 | P-gear parking system control method and system and automobile |
| CN113173078A (en) * | 2021-04-19 | 2021-07-27 | 联合汽车电子有限公司 | Monitoring system, monitoring method and readable storage medium for realizing electronic parking function based on motor controller |
| CN114110161A (en) * | 2020-08-28 | 2022-03-01 | 上海汽车变速器有限公司 | Electronic parking limit angle self-learning method |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105151039A (en) * | 2015-09-17 | 2015-12-16 | 北京乐动卓越科技有限公司 | Automobile power control method and system |
| CN106402380A (en) * | 2016-05-03 | 2017-02-15 | 南京奥联汽车电子技术有限公司 | Worm gear and worm type electronic sliding prevention system for DCT transmission |
| CN106402380B (en) * | 2016-05-03 | 2018-09-28 | 南京奥联汽车电子技术有限公司 | DCT gearboxes Worm-gear type electronic parking system |
| CN106641243A (en) * | 2017-02-28 | 2017-05-10 | 南京越博动力***股份有限公司 | Auxiliary parking mechanism for automated manual transmission/electric-drive mechanical transmission (AMT/EMT) and parking method of auxiliary parking mechanism |
| CN110662676A (en) * | 2017-05-22 | 2020-01-07 | 日产自动车株式会社 | Automatic parking control method and automatic parking control device for vehicle |
| US11292440B2 (en) | 2017-05-22 | 2022-04-05 | Nissan Motor Co., Ltd. | Automatic parking control method and automatic parking control apparatus for vehicles |
| CN111086492A (en) * | 2018-10-23 | 2020-05-01 | 上汽通用汽车有限公司 | Parking brake device and automobile |
| CN109318834A (en) * | 2018-10-25 | 2019-02-12 | 北京新能源汽车股份有限公司 | Power chassis domain control framework and automobile |
| CN109318834B (en) * | 2018-10-25 | 2021-07-06 | 北京新能源汽车股份有限公司 | Power chassis domain control framework and automobile |
| CN109591622A (en) * | 2018-12-18 | 2019-04-09 | 中国第汽车股份有限公司 | A kind of pure electric automobile parking and start to walk control method and its control system |
| CN109552303A (en) * | 2018-12-21 | 2019-04-02 | 广州小鹏汽车科技有限公司 | A kind of electronic parking system, method, apparatus, medium and equipment |
| CN111385944A (en) * | 2018-12-29 | 2020-07-07 | 北京骑胜科技有限公司 | Method, system, device and storage medium for controlling lamp of target object |
| CN111895085A (en) * | 2020-07-13 | 2020-11-06 | 东风汽车集团有限公司 | P-gear parking system control method and system and automobile |
| CN114110161A (en) * | 2020-08-28 | 2022-03-01 | 上海汽车变速器有限公司 | Electronic parking limit angle self-learning method |
| CN114110161B (en) * | 2020-08-28 | 2023-09-26 | 上海汽车变速器有限公司 | Electronic parking limit angle self-learning method |
| CN113173078A (en) * | 2021-04-19 | 2021-07-27 | 联合汽车电子有限公司 | Monitoring system, monitoring method and readable storage medium for realizing electronic parking function based on motor controller |
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Application publication date: 20120222 |