CN108263368A - Automobile hand brake automatic unlocking system under the conditions of trailer - Google Patents
Automobile hand brake automatic unlocking system under the conditions of trailer Download PDFInfo
- Publication number
- CN108263368A CN108263368A CN201810111171.XA CN201810111171A CN108263368A CN 108263368 A CN108263368 A CN 108263368A CN 201810111171 A CN201810111171 A CN 201810111171A CN 108263368 A CN108263368 A CN 108263368A
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- China
- Prior art keywords
- automobile
- vehicle
- hand brake
- sensor
- trailer
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
Abstract
The present invention provides automobile hand brake automatic unlocking system under the conditions of a kind of trailer, and when automotive vehicle owner is absent from the scene, when detecting that automobile is lifted trailer and lifts state by means of sensor, automatic unlocking automobile hand brake avoids being seriously worn for parking brake during haul.When parking brake state detection sensor detects automobile hand brake pull-up state；Car body obliqueness sensor (101) detects 25 °≤α≤40 ° of tilting of automobile angle；Vehicle front-drive sensor (102) detects front vehicle wheel without rotation；And back wheels of vehicle rotation sensor (103), when detecting that back wheels of vehicle persistently rotates, data processing system judges that automobile is in and lifts state by trailer, and control driving mechanism is acted, and driving mechanism drives hand brake system action to complete parking brake unlock；When vehicle condition, which is not content with judgement automobile, is in the condition by the state of lifting, the action of control driving mechanism, drives hand brake system to lock parking brake after data processing system postpones 60 seconds.
Description
Technical field
The present invention relates to automobile hand brake automatic unlocking systems under the conditions of auto industry field more particularly to trailer.
Background technology
With the progress of science and technology, auto industry is rapidly developed, and the ownership of automobile rises rapidly.At some such as
It repairs the roads, place construction, automobile road occupying cleaning, fire, under the specific conditions such as floods, need under conditions of car owner is absent from the scene to stopping
The automobile of pool carries out trailer transfer.Often during automobile parking state, car owner understands pull-up parking brake for preventing car slipping and antitheft etc..
Trailer is divided into platform trailer and lifts trailer, and platform trailer takes the haul mode of backpack, does not need to be hauled
Automobile tire lands.Lifting trailer can will be lifted by one end of haul automobile, and other end tire, which lands, to be dragged away.It lifts and drags at some
Under conditions of fortune will not be destroyed and be dragged vehicle transmission structure, lift haul and still occupy not small scale.It is strong in the state of parking brake pull-up
Row trailer can cause being seriously worn for automobile hand brake system, increase vehicle maintenance cost or even the excessive mill due to hand brake system
It damages and influences safety of parking.
It is also often matched in addition, lifting trailer with trailer assistor, being fixed on and dragged by the wheel that automobile is dragged not hold up end
It is hauled on vehicle assistor.However, trailer assistor often wheel very little, obstacle climbing ability is weak, for the quality requirement of road
Preferably, on the road of badly broken using having some limitations.
It is therefore desirable to design automobile hand brake automatic unlocking system under the conditions of a kind of trailer, vapour is detected by means of sensor
When vehicle is lifted trailer and lifts state, automobile hand brake automatic unlocking system unlock parking brake.
Invention content
The object of the present invention is to provide automobile hand brake automatic unlocking system under the conditions of a kind of trailer, automobile under the conditions of the trailer
Parking brake automatic unlocking system detects that automobile lifts state by trailer is lifted when automotive vehicle owner is absent from the scene, by means of sensor
When, automatic unlocking automobile hand brake avoids being seriously worn by haul automobile hand brake brake block during haul.
The invention is realized by the following technical scheme：
Automobile hand brake automatic unlocking system under the conditions of trailer, including：Sensor detecting device, data processing system, driving
Mechanism and vehicle hand brake equipment.
The sensor detecting device, respectively on automobile hand brake handle or at the shoe brake of parking brake, on automobile chassis
On axletree, to detect whether the parking brake state of automobile, body of a motor car angle of inclination and automotive wheel rotate.
The data processing system, for handling detection signal, whether judgement automobile is in is lifted shape by trailer
State, and form control signal output.
The driving mechanism carries out corresponding action so as to which hand brake device be driven to carry out for performing the instruction of control signal
Locking and unlock.
The advantage of the invention is that：Control logic is simple, convenient for being effectively integrated with electronic parking system, less
Vehicle intellectualized function is enriched under conditions of increase cost, is avoided under automobile pull-up parking brake state, is lifted to drag away by force and cause hand
Brake block excessive wear improves automobile parking safety, reduces vehicle maintenance cost.
Description of the drawings
Fig. 1 lifts trailer and carries out motor borne schematic diagram；
Automobile hand brake automatic unlocking system structure diagram under the conditions of Fig. 2 trailers；
Automobile hand brake automatic unlocking system operation flow chart under the conditions of Fig. 3 trailers；
Reference numeral：1- towed vehicles；101- car body obliqueness sensors；102- vehicle front-drive sensors；After 103- vehicles
Take turns rotation sensor；2- lifts trailer.
Specific embodiment
Automobile hand brake automatic unlocking system is suitable for lifting trailer (2) lifts towed vehicle as shown in Figure 1 under the conditions of trailer
(1) situation.The towed vehicle (1) is selected as preceding driving, and trailing wheel is parking brake locking wheel.Towed vehicle described herein is only used
In illustrating the present invention, however it is not limited to the present invention.
Automobile hand brake automatic unlocking system under the conditions of trailer, composition include：Sensor detecting device, data processing system
System, driving mechanism and vehicle hand brake equipment.
The sensor detecting device includes parking brake state detection sensor (not marked in figure), car body obliqueness sensor
(101), vehicle front-drive sensor (102) and back wheels of vehicle rotation sensor (103), respectively on automobile hand brake handle or parking brake
Shoe brake at (automobile hand brake is divided into two kinds of armstrong's patent parking brake and electronics parking brake at present.For armstrong's patent parking brake automobile,
The parking brake state detection sensor can be located on brake handle or at the shoe brake of parking brake；For electronics parking brake automobile,
There is no brake handle there was only electronic button, the parking brake state detection sensor can be located at the shoe brake of parking brake), automobile chassis
On upper, vehicle front axletree and on the axletree of automobile back wheel.The parking brake state detection sensor is range sensor,
By detect the location status of brake handle or hand-braking shoe plate judge automobile hand brake whether pull-up；The car body obliqueness sensing
Device (101) tilts forward and back angle α for detect body of a motor car；The vehicle front-drive sensor (102) is for detecting automobile
Whether front-wheel rotates；The back wheels of vehicle rotation sensor (103) is for detecting whether automobile back wheel rotates.
The data processing system, for handling detection signal, whether judgement automobile is in is lifted shape by trailer
State, and form control signal output.
When parking brake state detection sensor detects automobile hand brake pull-up state；Car body obliqueness sensor (101) detects
(angle value is reference point to 25 °≤α≤40 ° of tilting of automobile angle, according between centers before and after application vehicle in actual application
Distance and lift the height of lifting of trailer in the market and set corresponding detection angles value)；Vehicle front-drive sensor (102) is examined
Front vehicle wheel is measured without rotation；And back wheels of vehicle rotation sensor (103), when detecting that back wheels of vehicle persistently rotates, data processing system is
Judgement automobile is in lifts state by trailer.
When judging whether automobile is in the condition by the state of lifting, why add in vehicle front and do not rotate this
Part, when allowing for car owner under extreme condition and being parked in vehicle on the road surface that one gradient is 25 °≤α≤40 ° originally, automobile is by outer
Power, there is a situation where roll for wheel.At this moment, automobile front and back wheel can roll, but be not belonging under the conditions of trailer.So draw
Enter whether to rotate this testing conditions to front-wheel and can exclude the extreme case.
The driving mechanism for perform control signal instruction, acted accordingly, so as to drive hand brake device into
Row locking and unlock.The driving mechanism can be servo motor, solenoid valve or electric cylinder etc..
The operational flow diagram of the present invention as shown in figure 3, it is initial park state when, parking brake state detection sensor detects vapour
Driver's brake pull-up state；When car body obliqueness sensor (101) detects that (angle value is 25 °≤α≤40 ° of tilting of automobile angle
Reference point lifts according to the distance of between centers before and after vehicle and in the market lifting height and setting phase for trailer in actual application
The detection angles value answered), and vehicle front-drive sensor (102) detect front vehicle wheel without rotation back wheels of vehicle rotation sensor
(103) when detecting that back wheels of vehicle persistently rotates, data are passed into data processing system；Data processing system control driving mechanism into
Action is made, and hand brake system action is driven to complete parking brake unlock.At the judgement automobile that vehicle condition is not content with described in [0021]
In by the state of lifting condition when, data processing system postpone 60 seconds after control driving mechanism action, drive hand brake system lock
Parking brake.
The purpose of the above delay 60 seconds allows for possibility (such as waiting of the of short duration stopping of automobile during delivery
Red light).At this point, continuous rotation does not occur by the trailing wheel of delivery vehicle, system controls parking brake automatic locking after being delayed 60 seconds.Such as
Trailer and towed vehicle move ahead again in 60 seconds, then system no longer locks parking brake, this can reduce parking brake due to of short duration stop
The number of automatic locking.Meanwhile for the parking more than 60 seconds, system can lock parking brake, and trailer is towed again by motorcycle
When, towed vehicle trailing wheel forced rotating meets the judgement automobile described in [0021] and is in by the condition for the state of lifting, system again
Unlock parking brake.
The whole system power supply of automobile hand brake automatic unlocking system is provided by the battery of automobile under the conditions of the trailer.
The advantage of the invention is that：Control logic is simple, convenient for being effectively integrated with electronic parking system, less
Vehicle intellectualized function is enriched under conditions of increase cost, is avoided under automobile pull-up parking brake state, is lifted to drag away by force and cause hand
Brake block excessive wear improves automobile parking safety, reduces vehicle maintenance cost.
Automobile hand brake automatic unlocking system is the miscellaneous function system under automobile specific occasion under the conditions of trailer, further may be used
Increase sensor detecting device and with more perfect detect automobile by transit condition；It further can also increase executing agency to vapour
Car stop position is controlled (such as manual-gear vehicle is classified as neutral gear automatically), to expand the application range for lifting haul.In the present invention
The description of specific embodiment may need addition more only to explain the present invention, for this system is applied under special operation condition
Sensor simultaneously enriches its control strategy.But this has no effect on the creativeness of the present invention, every without prejudice to inventive concept, should
It is considered as content disclosed in this invention.
Claims (5)
1. automobile hand brake automatic unlocking system under the conditions of trailer, composition includes：Sensor detecting device, data processing system,
Driving mechanism and vehicle hand brake equipment；
The sensor detecting device includes parking brake state detection sensor, car body obliqueness sensor (101), vehicle front-drive and passes
Sensor (102) and back wheels of vehicle rotation sensor (103), respectively on automobile hand brake handle or at the shoe brake of parking brake, automobile
On chassis, on the axletree of vehicle front and on the axletree of automobile back wheel；The parking brake state detection sensor is that distance passes
Sensor, by detect the location status of brake handle or hand-braking shoe plate judge automobile hand brake whether pull-up；The vehicle body inclines
Angle transducer (101) tilts forward and back angle α for detect body of a motor car；The vehicle front-drive sensor (102) is for examining
Survey whether vehicle front rotates；The back wheels of vehicle rotation sensor (103) is for detecting whether automobile back wheel rotates；
The data processing system, for handling detection signal, whether judgement automobile is in is lifted state by trailer, and
Form control signal output；
The driving mechanism is acted, for performing the instruction of control signal so as to which hand brake device be driven to be locked accordingly
Fixed and unlock.
2. automobile hand brake automatic unlocking system under the conditions of trailer according to claim 1, which is characterized in that the data processing
System detects that automobile hand brake is in pull-up state by means of sensor detecting device；25 °≤α≤40 ° of tilting of automobile angle；Vehicle
Front-drive sensor (102) detects front vehicle wheel without rotation；And back wheels of vehicle rotation sensor (103) detects that back wheels of vehicle continues
During rotation, data processing system judges that automobile is in and lifts state by trailer.
3. automobile hand brake automatic unlocking system under the conditions of trailer according to claim 1, which is characterized in that the driving mechanism
Can be servo motor, solenoid valve or electric cylinder.
4. automobile hand brake automatic unlocking system under the conditions of trailer according to claim 1, which is characterized in that when vehicle condition not
Be satisfied with judgement automobile be in by the state of lifting condition when, data processing system postpone 60 seconds after control driving mechanism action,
Hand brake system is driven to lock parking brake.
5. automobile hand brake automatic unlocking system under the conditions of trailer according to claim 1, which is characterized in that the trailer condition
The whole system power supply of lower automobile hand brake automatic unlocking system is provided by the battery of automobile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810111171.XA CN108263368A (en) | 2018-02-02 | 2018-02-02 | Automobile hand brake automatic unlocking system under the conditions of trailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810111171.XA CN108263368A (en) | 2018-02-02 | 2018-02-02 | Automobile hand brake automatic unlocking system under the conditions of trailer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108263368A true CN108263368A (en) | 2018-07-10 |
Family
ID=62773638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810111171.XA Pending CN108263368A (en) | 2018-02-02 | 2018-02-02 | Automobile hand brake automatic unlocking system under the conditions of trailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108263368A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109532723A (en) * | 2018-12-24 | 2019-03-29 | 重庆工商大学 | A kind of recognition methods of the trailer-status of automobile, drum test state |
| CN110626332A (en) * | 2019-09-03 | 2019-12-31 | 上海博泰悦臻电子设备制造有限公司 | Vehicle pull-back processing system and method |
| CN111086492A (en) * | 2018-10-23 | 2020-05-01 | 上汽通用汽车有限公司 | Parking brake device and automobile |
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| DE102007015889A1 (en) * | 2007-04-02 | 2008-10-09 | Bayerische Motoren Werke Aktiengesellschaft | Brake control system for motor vehicles |
| CN202063075U (en) * | 2011-05-30 | 2011-12-07 | 山东理工大学 | Device for automatically reminding releasing hand brake |
| CN203305990U (en) * | 2013-06-24 | 2013-11-27 | 桂林电子科技大学 | Automobile handbrake automatic control device |
| CN103786699A (en) * | 2014-02-12 | 2014-05-14 | 浙江吉利控股集团有限公司 | Automatic hand brake system of manual gear automobile and control method thereof |
| CN204586863U (en) * | 2015-05-15 | 2015-08-26 | 汕头市科来福电子有限公司 | A kind of automobile hand brake does not put alarm device |
| CN105501219A (en) * | 2015-12-24 | 2016-04-20 | 广西柳工机械股份有限公司 | Automatic vehicle parking braking control method |
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2018
- 2018-02-02 CN CN201810111171.XA patent/CN108263368A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007015889A1 (en) * | 2007-04-02 | 2008-10-09 | Bayerische Motoren Werke Aktiengesellschaft | Brake control system for motor vehicles |
| CN202063075U (en) * | 2011-05-30 | 2011-12-07 | 山东理工大学 | Device for automatically reminding releasing hand brake |
| CN203305990U (en) * | 2013-06-24 | 2013-11-27 | 桂林电子科技大学 | Automobile handbrake automatic control device |
| CN103786699A (en) * | 2014-02-12 | 2014-05-14 | 浙江吉利控股集团有限公司 | Automatic hand brake system of manual gear automobile and control method thereof |
| CN204586863U (en) * | 2015-05-15 | 2015-08-26 | 汕头市科来福电子有限公司 | A kind of automobile hand brake does not put alarm device |
| CN105501219A (en) * | 2015-12-24 | 2016-04-20 | 广西柳工机械股份有限公司 | Automatic vehicle parking braking control method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111086492A (en) * | 2018-10-23 | 2020-05-01 | 上汽通用汽车有限公司 | Parking brake device and automobile |
| CN109532723A (en) * | 2018-12-24 | 2019-03-29 | 重庆工商大学 | A kind of recognition methods of the trailer-status of automobile, drum test state |
| CN110626332A (en) * | 2019-09-03 | 2019-12-31 | 上海博泰悦臻电子设备制造有限公司 | Vehicle pull-back processing system and method |
| CN110626332B (en) * | 2019-09-03 | 2022-05-06 | 博泰车联网科技(上海)股份有限公司 | Vehicle pull-back processing system and method |
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Application publication date: 20180710 |
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