CN106891872B - A kind of device and its control method avoiding brake drum damage - Google Patents
A kind of device and its control method avoiding brake drum damage Download PDFInfo
- Publication number
- CN106891872B CN106891872B CN201710165251.9A CN201710165251A CN106891872B CN 106891872 B CN106891872 B CN 106891872B CN 201710165251 A CN201710165251 A CN 201710165251A CN 106891872 B CN106891872 B CN 106891872B
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- brake
- fixed pulley
- line
- wheel hub
- drum
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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
- B60T7/00—Brake-action initiating means
- B60T7/02—Brake-action initiating means for personal initiation
- B60T7/08—Brake-action initiating means for personal initiation hand actuated
- B60T7/10—Disposition of hand control
- B60T7/108—Disposition of hand control with mechanisms to take up slack in the linkage to the brakes
-
- 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
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
- B60T17/22—Devices for monitoring or checking brake systems; Signal devices
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Regulating Braking Force (AREA)
Abstract
The invention belongs to technical field of vehicle safety, more particularly to a kind of device and its control method for avoiding brake drum to damage under automobile hand brake tension, the device is when vehicle speed sensor detects that car speed is more than a threshold value and parking brake state sensor detects that parking brake is in tension, it controls the first drum brake and the second drum brake is in and releases parked state, when vehicle speed sensor detects that car speed detects that parking brake is in relaxation state no more than a threshold value or parking brake state sensor, it controls the first drum brake and the second drum brake is in the controllable state of driver.Even if technical solution of the present invention makes driver forget to unclamp parking brake under driving states of starting to walk, make to brake total drag-line by mobile tensioning wheel and additionally relax, ensure that drum brake is in and releases parked state, and then it avoids drum brake inordinate wear and even fails, be effectively ensured vehicle in parking on ramp will not car slipping, improve the security performance of automobile parking.
Description
Technical field
The invention belongs to avoid brake drum from damaging under technical field of vehicle safety more particularly to a kind of automobile hand brake tension
Bad device and its control method.
Background technique
The profession address of automobile hand brake is auxiliary brake, different from the principle of brake, is connected using steel wire pull line
It is connected on rear brake-shoe, to be braked to automobile.Automobile on the market is tensioned system taking human as manipulation brake handle mostly at present
The mode of dynamic drag-line realizes parking.Many drivers are insufficient because driving aspect experience, often starting to walk to forget under driving states
Parking brake is unclamped, this phenomenon is easy to cause brake drum inordinate wear even failure, to cause the traffic accident of parking car slipping.
Summary of the invention
In view of the above-mentioned problems, the invention proposes the device for avoiding brake drum to damage under a kind of automobile hand brake tension,
The device includes: parking brake pull rod, tensioning wheel, left tensioning fixed pulley, right tensioning fixed pulley, the total drag-line of braking, splitter, drop-down
Rope, upper drag-line, the first deflecting fixed pulley, the first left wheel hub fixed pulley, the first right wheel hub fixed pulley, the first drum brake,
Two deflecting fixed pulleys, the second left wheel hub fixed pulley, the second right wheel hub fixed pulley, the second drum brake, linear motor, micro process
Device, vehicle speed sensor, parking brake state sensor.
Wherein, total drag-line is braked in the bottom connection of parking brake pull rod, and left tensioning fixed pulley and right tensioning fixed pulley are fixed on vehicle
Body, and play the guiding role to total drag-line is braked；Splitter one end is connect with total drag-line is braked, and the other end will be braked total drag-line and is divided into
Upper drag-line and downhaul；
First deflecting fixed pulley, the first left wheel hub fixed pulley and the first right wheel hub fixed pulley are fixedly connected with vehicle body, and
It play the guiding role to upper drag-line；The terminal of upper drag-line is connected on two brake-shoes of the first drum brake；
Second deflecting fixed pulley, the second left wheel hub fixed pulley and the second right wheel hub fixed pulley are fixedly connected with vehicle body, and
It play the guiding role to downhaul；The terminal of downhaul is connected on two brake-shoes of the second drum brake；
Wherein, upper drag-line, the first deflecting fixed pulley, the first left wheel hub fixed pulley, the first right wheel hub fixed pulley, the first drum-type
Brake respectively corresponds and downhaul, the second deflecting fixed pulley, the second left wheel hub fixed pulley, the second right wheel hub fixed pulley, second
Drum brake is in mirror symmetry；
Linear motor one end connects tensioning wheel, and the other end is connect with microprocessor；Microprocessor respectively with vehicle speed sensor,
The connection of parking brake state sensor, linear motor control tensioning wheel movement, so that tensioning wheel is located at position I or position II, work as tensioning wheel
It when positioned at position I, brakes total drag-line and is in normal operating conditions, when tensioning wheel is in position II, brakes total drag-line and be in volume
Outer relaxed state.
The invention further relates to a kind of controls of device for avoiding brake drum to damage under above-mentioned automobile hand brake tension
Method, the control method include: to set a car speed threshold value first as v0,
A: when vehicle speed sensor detects car speed v > v0And parking brake state sensor detects that parking brake is in tension-like
When state, microprocessor controls linear motor starting, and tensioning wheel is driven by position I to be moved to position II, makes to brake total drag-line additional
Relaxation, it is ensured that the first drum brake and the second drum brake are in and release parked state.
B: when vehicle speed sensor detects car speed v≤v0Or parking brake state sensor detects that parking brake is in and loosens shape
When state, the linear motor starting of microprocessor control at this time drives tensioning wheel to be moved to position I by position II, makes to brake total drag-line
Cancel additional relaxation, it is ensured that the first drum brake and the second drum brake are in the controllable state of driver.
Even if technical solution of the present invention makes driver forget to unclamp parking brake under driving states of starting to walk, it is tensioned by mobile
Wheel, which makes to brake total drag-line, additionally to relax, it is ensured that drum brake, which is in, releases parked state, and then it is different to avoid drum brake
Often abrasion even fail, guarantee vehicle in parking on ramp will not car slipping, improve the security performance of automobile parking.
Detailed description of the invention
Fig. 1 is the schematic diagram for the device for avoiding brake drum to damage under automobile hand brake tension of the present invention
Specific embodiment
With reference to the accompanying drawing, it elaborates to embodiment.
The device for avoiding brake drum to damage under a kind of automobile hand brake tension as shown in Figure 1, which includes: parking brake
Pull rod 1, tensioning wheel 2, left tensioning fixed pulley 3a, right tensioning fixed pulley 3b, the total drag-line 4 of braking, splitter 5, downhaul 6, pull-up
Rope 7, the first deflecting fixed pulley 8, the first left wheel hub fixed pulley 9a, the first right wheel hub fixed pulley 9b, the first drum brake 10,
Two deflecting fixed pulleys 11, the second left wheel hub fixed pulley 12a, the second right wheel hub fixed pulley 12b, the second drum brake 13, straight line
Motor 14, microprocessor 15, vehicle speed sensor 16, parking brake state sensor 17.
Wherein, total drag-line 4 is braked in the bottom connection of parking brake pull rod 1, and left tensioning fixed pulley 3a and right tensioning fixed pulley 3b are solid
It play the guiding role due to vehicle body, and to total drag-line 4 is braked；5 one end of splitter is connect with total drag-line 4 is braked, and the other end will be braked
Total drag-line 4 divides for upper drag-line 7 and downhaul 6；
First deflecting fixed pulley 8, the first left wheel hub fixed pulley 9a and the first right wheel hub fixed pulley 9b and the fixed company of vehicle body
It connects, and play the guiding role to upper drag-line 7；The terminal of upper drag-line 7 is connected to two brake-shoes of the first drum brake 10
On；
Second deflecting fixed pulley 11, the second left wheel hub fixed pulley 12a and the second right wheel hub fixed pulley 12b and vehicle body are fixed
Connection, and play the guiding role to downhaul 6；The terminal of downhaul 6 is connected to two brakings of the second drum brake 13
On hoof；
As shown in Figure 1, upper drag-line 7, the first deflecting fixed pulley 8, the first left wheel hub fixed pulley 9a, the first right wheel hub fixed pulley
9b, the first drum brake 10 respectively correspond and downhaul 6, the second deflecting fixed pulley 11, the second left wheel hub fixed pulley 12a,
Two right wheel hub fixed pulley 12b, the second drum brake 13 are in mirror symmetry；
14 one end of linear motor connects tensioning wheel 2, and the other end is connect with microprocessor 15；Microprocessor 15 respectively with speed
Sensor 16, parking brake state sensor 17 connect, and it is mobile that linear motor 14 controls tensioning wheel 2, make tensioning wheel 2 be located at position I or
Position II brakes total drag-line 4 and is in normal operating conditions when tensioning wheel 2 is located at position I, when tensioning wheel 2 is in position II
When, it brakes total drag-line 4 and is in additional relaxed state.
The control method of Fig. 1 shown device is as follows: a car speed threshold value is set first as v0,
A: when vehicle speed sensor 16 detect car speed v > v0 and parking brake state sensor 17 detect parking brake be in draw
When tight state, microprocessor 15 controls linear motor 14 and starts, and tensioning wheel 2 is driven to be moved to position II by position I, keeps braking total
The additionally relaxation of drag-line 4, it is ensured that the first drum brake 10 and the second drum brake 13 are in and release parked state.
B: when vehicle speed sensor 16 detects that car speed v≤v0 or parking brake state sensor 17 detect that parking brake is in and put
When loose state, microprocessor 15 controls linear motor 14 and starts at this time, drives tensioning wheel 2 to be moved to position I by position II, makes to make
It moves total drag-line 4 and cancels additional relaxation, it is ensured that it is controllable that the first drum brake 10 and the second drum brake 13 are in driver
State.
Further, v0 generally takes 3km/h~7km/h, and in the present embodiment, problem, v0 value are 5km/ to clearly illustrate
h。
Above-described embodiment is merely preferred embodiments of the present invention, but protection scope of the present invention is not limited to
This, anyone skilled in the art in the technical scope disclosed by the present invention, the variation that can readily occur in or replaces
It changes, should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claim
Subject to enclosing.
Claims (4)
1. the device for avoiding brake drum to damage under a kind of automobile hand brake tension, which is characterized in that described device includes: parking brake
Pull rod (1), tensioning wheel (2), left tensioning fixed pulley (3a), right tensioning fixed pulley (3b), the total drag-line (4) of braking, splitter (5),
Downhaul (6), upper drag-line (7), the first deflecting fixed pulley (8), the first left wheel hub fixed pulley (9a), the first right wheel hub fixed pulley
(9b), the first drum brake (10), the second deflecting fixed pulley (11), the second left wheel hub fixed pulley (12a), the second right wheel hub are fixed
Pulley (12b), the second drum brake (13), linear motor (14), microprocessor (15), vehicle speed sensor (16), parking brake shape
State sensor (17)；
Wherein, the bottom connection of the parking brake pull rod (1) the total drag-line (4) of braking, the left tensioning fixed pulley (3a) and institute
It states right tensioning fixed pulley (3b) and is fixed on vehicle body, and play the guiding role to the total drag-line (4) of braking；The splitter (5) one
End connect with the braking total drag-line (4), the other end by it is described brake total drag-line (4) be divided into the upper drag-line (7) with it is described under
Drag-line (6)；
The first deflecting fixed pulley (8), the first left wheel hub fixed pulley (9a) and the first right wheel hub fixed pulley
(9b) is fixedly connected with vehicle body, and play the guiding role to the upper drag-line (7)；The terminal of the upper drag-line (7) is connected to
On two brake-shoes of first drum brake (10)；
The second deflecting fixed pulley (11), the second left wheel hub fixed pulley (12a) and the second right wheel hub fixed pulley
(12b) is fixedly connected with vehicle body, and play the guiding role to the downhaul (6)；The terminal of the downhaul (6) is connected to
On two brake-shoes of second drum brake (13)；
The upper drag-line (7), the first deflecting fixed pulley (8), the first left wheel hub fixed pulley (9a), first right wheel
Hub fixed pulley (9b), first drum brake (10) respectively correspond and the downhaul (6), the second deflecting fixed pulley
(11), the second left wheel hub fixed pulley (12a), the second right wheel hub fixed pulley (12b), second drum brake
It (13) is in mirror symmetry；
Described linear motor (14) one end connects the tensioning wheel (2), and the other end is connect with the microprocessor (15)；It is described micro-
Processor (15) is connect with the vehicle speed sensor (16), the parking brake state sensor (17) respectively, the linear motor
(14) it is mobile to control the tensioning wheel (2), so that the tensioning wheel (2) is located at position I or position II, when the tensioning wheel is located at position
When setting I, the total drag-line (4) of braking is in normal operating conditions, when the tensioning wheel (2) is in position II, the braking
Total drag-line (4) is in additional relaxed state.
2. a kind of control method for claim 1 described device, which is characterized in that the control method includes: to set first
Determining car speed threshold value is v0,
A: when vehicle speed sensor (16) detect car speed v > v0 and parking brake state sensor (17) detect parking brake be in draw
When tight state, microprocessor (15) controls linear motor (14) starting, drives tensioning wheel (2) to be moved to position II by position I, makes
Brake total drag-line (4) additionally relaxation, it is ensured that the first drum brake (10) and the second drum brake (13) are in and release parking
State；
B: when vehicle speed sensor (16) detects that car speed v≤v0 or parking brake state sensor (17) detect that parking brake is in and put
When loose state, microprocessor (15) control linear motor (14) starting at this time drives tensioning wheel (2) to be moved to position by position II
I makes to brake the additional relaxation of total drag-line (4) cancellation, it is ensured that the first drum brake (10) and the second drum brake (13) are in
The controllable state of driver.
3. control method according to claim 2, which is characterized in that the v0 is 3km/h~7km/h.
4. control method according to claim 3, which is characterized in that the v0 is 5km/h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710165251.9A CN106891872B (en) | 2017-03-20 | 2017-03-20 | A kind of device and its control method avoiding brake drum damage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710165251.9A CN106891872B (en) | 2017-03-20 | 2017-03-20 | A kind of device and its control method avoiding brake drum damage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106891872A CN106891872A (en) | 2017-06-27 |
| CN106891872B true CN106891872B (en) | 2019-03-15 |
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ID=59193412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710165251.9A Active CN106891872B (en) | 2017-03-20 | 2017-03-20 | A kind of device and its control method avoiding brake drum damage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106891872B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107444369A (en) * | 2017-07-07 | 2017-12-08 | 北汽福田汽车股份有限公司 | A kind of vehicle and its parking brake |
| CN108556825A (en) * | 2018-06-20 | 2018-09-21 | 常熟理工学院 | A kind of driver disseats car slipping occurs in the case of automobile automatic tension parking brake device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2604357Y (en) * | 2003-02-09 | 2004-02-25 | 黄潮辉 | Vehicle dynamic automatic hand braking device |
| CN201071047Y (en) * | 2007-09-27 | 2008-06-11 | 顾海涛 | Manual brake forgetting release alarm device in vehicle operation |
| CN105818800A (en) * | 2016-04-14 | 2016-08-03 | 北京汽车研究总院有限公司 | Hand brake reminding system and method, and automobile |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980044974U (en) * | 1996-12-27 | 1998-09-25 | 박병재 | Parking brake cable automatic adjusting device |
-
2017
- 2017-03-20 CN CN201710165251.9A patent/CN106891872B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2604357Y (en) * | 2003-02-09 | 2004-02-25 | 黄潮辉 | Vehicle dynamic automatic hand braking device |
| CN201071047Y (en) * | 2007-09-27 | 2008-06-11 | 顾海涛 | Manual brake forgetting release alarm device in vehicle operation |
| CN105818800A (en) * | 2016-04-14 | 2016-08-03 | 北京汽车研究总院有限公司 | Hand brake reminding system and method, and automobile |
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| Publication number | Publication date |
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| CN106891872A (en) | 2017-06-27 |
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| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Huang Xukai Inventor after: Zhao Fuzhou Inventor after: Yu Sheng Inventor before: Yu Sheng Inventor before: Zhao Fuzhou |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220901 Address after: 230000 B-2704, wo Yuan Garden, 81 Ganquan Road, Shushan District, Hefei, Anhui. Patentee after: HEFEI LONGZHI ELECTROMECHANICAL TECHNOLOGY Co.,Ltd. Address before: 315211, Fenghua Road, Jiangbei District, Zhejiang, Ningbo 201 Patentee before: Ningbo University of Technology |
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| TR01 | Transfer of patent right |
Effective date of registration: 20230103 Address after: 257000 Room 1501, Building 7, No. 55, Fuqian Street, Dongying Development Zone, Shandong Province Patentee after: Shandong Sensite Brake System Co.,Ltd. Address before: 230000 B-2704, wo Yuan Garden, 81 Ganquan Road, Shushan District, Hefei, Anhui. Patentee before: HEFEI LONGZHI ELECTROMECHANICAL TECHNOLOGY Co.,Ltd. |