CN106763346B - A kind of electric car drum brake and its control method - Google Patents
A kind of electric car drum brake and its control method Download PDFInfo
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- CN106763346B CN106763346B CN201611045170.7A CN201611045170A CN106763346B CN 106763346 B CN106763346 B CN 106763346B CN 201611045170 A CN201611045170 A CN 201611045170A CN 106763346 B CN106763346 B CN 106763346B
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- brake
- shoe
- electromagnet
- cam
- sucker
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
- F16D65/16—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D51/00—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like
- F16D51/16—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis
- F16D51/18—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis with two brake-shoes
- F16D51/20—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis with two brake-shoes extending in opposite directions from their pivots
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/18—Electric or magnetic
- F16D2121/20—Electric or magnetic using electromagnets
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a kind of electric car drum brake and its control methods, by the way that brake shoe assembly and cam are mounted on back-plate, then electromagnetic driver is linked together by connecting rod and cam, wherein electromagnetic driver includes that one end is equipped with the pedestal for being used for that base installing hole on the car body to be fixedly mounted, the pedestal other end is equipped with the left sucker of electromagnet, pedestal is connect by attachment device with the right sucker one end of electromagnet, by the size for adjusting electric current in left and right electromagnet sucker electromagnetic coil, spring axial force is turned to the rotation couple square of cam under the action of connecting rod, the opening of shoe brake is driven when rotating by cam, to achieve the purpose that braking, return spring is installed between two brake-shoes, to make that brake-shoe is made to be in closed form body when brake does not work, replace air-pressure brake using electromagnetic induction principle Device greatly improves the braking of electric car, solves the limitation applied on electric car.
Description
Technical field
The present invention relates to a kind of electric car service braking device, especially a kind of electric car drum brake and its control
Method processed belongs to electric car security technology area.
Background technique
With the continuous intensification of global energy crisis, in increasingly exhausted and the atmosphere pollution, Global Temperature of petroleum resources
The harm aggravation risen, national governments and Automobile Enterprises are it is well recognized that energy conservation and emission reduction are the main attack sides of future automobile technology development
To.The vehicles of the electric car as a new generation in energy-saving and emission-reduction, reduce the mankind to relying party's mask of traditional fossil energy
The standby incomparable advantage of orthodox car.
Under the extensively and profoundly research of global new-energy automobile, commercialization, the scale of ev industry have been gradually formed
Change.In recent years, under the support energetically of national policy, pure electric automobile enters the fast-developing phase.In commercial vehicle field, in addition to pure
Electric motor coach is fast-developing, and pure electric vehicle lorry also accelerates commercialization.It is shown according to middle vapour association data, 2015, pure electric vehicle
Lorry yield is the several times toward annual output up to 44497.In addition, sharing within 2015 281 sections of pure electric vehicle logistic cars enters Ministry of Industry and Information
Catalogue.Therefore, with constantly mature and energy crisis the continuous intensification of the technology of electric car, motor wagon has wide hair
Exhibition prospect.
Auto brake system function is to travel automobile to parking with deceleration reduction of speed appropriate；In descent run, make vapour
Vehicle keeps stabilizing speed appropriate；Automobile is set reliably to be parked on original place or ramp when parking.Brake system of car is direct
Affect the reliability of safety and the parking of running car.With the rapid development of highway and the raising of speed and vehicle
The increasingly increase of current density, in order to guarantee that traffic safety, parking are reliable, the functional reliability of auto brake system seems increasingly heavy
It wants.In traditional Automobile Design, service brake is divided into hydraulic and two kinds of patterns of air pressure.Due to by response time and structure,
The limitation such as cost, using hydraulic braking generally on car, using air-pressure brake on lorry；Air-pressure brake is to send out
The power drive air compressor of motivation works, and is then mechanical thrust by the pressure transition of compressed air, wheel is made to generate system
It is dynamic.Driver only need to release the compressed air of different number, just by different severity of braking requirements, the stroke of control pedal
The size of gas pressure be can adjust to obtain required brake force.However on electric car, using traditional method, motor is used
Band engine-driven air compressor is not only upper relatively difficult but also big in structure arrangement come brake gas required when generating braking
The big dynamic property for reducing electric car.
Summary of the invention
The purpose of the present invention is to provide a kind of electric car drum brake and its control methods, to overcome the prior art
Deficiency.
In order to achieve the above objectives, the present invention adopts the following technical scheme:
A kind of electric car drum brake, including brake-shoe friction facing, brake-shoe installation sheet, brake-shoe, return bullet
Spring, electromagnetic driver, cam and the brake backing plate for installing brake shoe assembly, wherein brake backing plate is equipped with and is used for
Cams mounted cam mounting hole；Cam one end is S type boss, and the other end is jackshaft, and brake backing plate is equipped with and cam
The symmetrically arranged brake-shoe erecting bed of mounting hole, symmetrically opens up that there are two the brakings for installing brake-shoe on brake-shoe erecting bed
Hoof mounting hole, brake-shoe one end are bolted on brake-shoe mounting hole, and the other end is contacted with cam S type boss line, are returned
Position both ends of the spring is separately fixed on the brake-shoe that two are symmetrically installed,
Wherein electromagnetic driver includes that one end is equipped with the pedestal for being used for that base installing hole on the car body to be fixedly mounted, pedestal
The other end is equipped with the left sucker of electromagnet, and pedestal is connect by attachment device with the right sucker one end of electromagnet, the left sucker of electromagnet and
Driving spring is equipped between the right sucker of electromagnet, the right sucker other end of electromagnet is connect by connecting rod with cam, wherein connection dress
Setting one end is threaded rod, and the other end is equipped with positive stop lug boss, and attachment device is equipped with threaded rod one end and the right sucker screw thread of electromagnet connects
It connects, pedestal is equipped with the ladder hole for installing and connecting apparatus, and attachment device positive stop lug boss one end is placed in pedestal ladder hole
It is interior；Electromagnetic driver is connected with the controller for electromagnetic driver；Brake-shoe friction facing is fixed on the outside of brake-shoe.
Further, brake backing plate is equipped with the mounting hole for being fixedly mounted on automotive hub.
Further, return spring eye and lower return spring eye are respectively equipped on brake-shoe, for fixing two up and down
Return spring.
Further, multiple bearing positioning for installing bearing are uniformly provided on the outside of brake backing plate overhead cam mounting hole
Mounting hole, jackshaft are fixedly mounted on cam mounting hole by bearing, and bearing is fixed in bearing positioning hole.
Further, left electromagnetic coil and right electromagnetic coil are wound respectively on the left sucker of electromagnet and the right sucker of electromagnet,
Left Anti-magnetic cap and right Anti-magnetic cap are respectively equipped on the outside of the left sucker of electromagnet and the right sucker of electromagnet.
Further, jackshaft end is outer six sides stud, and interlinking lever end is equipped with and is cooperatively connected with six side's studs outside cam
Connecting rod stomidium.
Further, brake-shoe friction facing is riveted or is welded on the outside of brake-shoe by screw.
Further, two of them brake-shoe lower end is fastened on bottom plate by brake-shoe installation sheet.
A kind of control method of electric car drum brake, specifically includes the following steps:
Step 1: acquiring current brake pedal state, speed and road grade in real time first；
Step 2: control system carries out automobile system according to current automobile driving speed and brake pedal displacement acceleration speed
It is dynamic.
Further, it specifically, in step 1, is passed by brake pedal displacement sensor, the brake pedal force in controller
Sensor, vehicle speed sensor, Slope Transducer acquire current brake pedal state, speed and road grade in real time respectively；
Specifically, automobile brake is three grades in step 2: general braking, emergency braking, climb and fall auxiliary braking:
Electromagnetic coil does not work in general braking process, disconnects the electric current in left electromagnetic coil and right electromagnetic coil, electromagnetism
Magnetic field between the left sucker of iron and right sucker disappears, and the right sucker of electromagnet is pushed to drive connecting rod and make convex under spring force
Wheel rotation interacts with wheel hub so that shoe brake be made to open and generates brake drag square；
When emergency braking, the maximum current for making it repel each other, magnechuck are passed through in left electromagnetic coil and right electromagnetic coil
Under helical spring collective effect, maximum brake force is realized；
When climb and fall auxiliary braking, control system is according to the driving status of current automobile, when automobile is in long-time descending
Or when upward slope parking, stroke and brake pedal force size are trampled according to brake pedal, in left electromagnetic coil and right electromagnetic coil
In be passed through the electric current for making it repel each other, under magnechuck and driving spring collective effect, realize automobile brake.
Compared with prior art, the invention has the following beneficial technical effects:
The present invention relates to a kind of electric car service braking device and its control method, by by brake shoe assembly and cam
It is mounted on back-plate, brake shoe assembly mainly includes brake-shoe friction facing, brake-shoe installation sheet, brake-shoe, return bullet
Then spring is linked together electromagnetic driver by connecting rod and cam, wherein electromagnetic driver includes that one end is equipped with for solid
The pedestal of the base installing hole of Dingan County's dress on the car body, the pedestal other end are equipped with the left sucker of electromagnet, and pedestal passes through attachment device
It is connect with the right sucker one end of electromagnet, by adjusting the size of electric current in left and right electromagnet sucker electromagnetic coil, in the work of connecting rod
With the lower rotation couple square that spring axial force is turned to cam, the opening of shoe brake is driven when rotating by cam, to reach
To the purpose of braking, return spring is installed between two brake-shoes, to make to be in brake-shoe when brake does not work to close
Shape body is closed, the controller of electromagnetic driver can be adjusted in real time braking moment according to current speed and the gradient, it is ensured that braking
The stability of efficiency, present apparatus structure is simple, replaces air braking systems using electromagnetic induction principle, greatly improves electricity
The braking of electrical automobile solves the limitation applied on electric car.
Further, by winding left electromagnetic coil and right electromagnetism respectively on the left sucker of electromagnet and the right sucker of electromagnet
It is respectively equipped with left Anti-magnetic cap and right Anti-magnetic cap on the outside of coil, the left sucker of electromagnet and the right sucker of electromagnet, can be effectively prevent outer
Magnetic disturbance influences automobile braking performance.
Further, automobile brake is three grades: general braking, emergency braking, climb and fall auxiliary braking pass through difference
Brake rating, to most reasonably complete braking task.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention.
Fig. 2 is brake backing plate structural schematic diagram of the present invention.
Fig. 3 is 006 structural schematic diagram of electromagnetic driver of the present invention.
Fig. 4 is brake-shoe structural schematic diagram of the present invention.
Fig. 5 is cam structure schematic diagram of the present invention.
Fig. 6 is return spring structural schematic diagram of the present invention.
Fig. 7 is control system figure of the present invention.
Wherein, 001, brake backing plate；002, brake-shoe friction facing；003, brake-shoe installation sheet；004, brake-shoe；
005, return spring；006, electromagnetic driver；007, cam；1-1, cam mounting hole；1-2, bearing positioning hole；1-4, system
Dynamic hoof erecting bed；1-5, brake-shoe mounting hole；4-2, lower return spring eye；4-4, upper return spring eye；6-1, base installing hole；
6-2, left electromagnetic coil；The left sucker of 6-3, electromagnet；6-4, driving spring；The right sucker of 6-5, electromagnet；6-7, attachment device；
6-8, left Anti-magnetic cap；6-9, pedestal；6-10, connecting rod stomidium；6-11, right electromagnetic coil；6-12, right Anti-magnetic cap；7-2, jackshaft；
Specific embodiment
The invention will be described in further detail with reference to the accompanying drawing:
As shown in Figures 1 to 7, a kind of electric car drum brake, including brake-shoe friction facing 002, brake-shoe peace
Load 003, brake-shoe 004, return spring 005, electromagnetic driver 006, cam 007 and for installing brake shoe assembly
Brake backing plate 001, brake backing plate 001 are equipped with the cam mounting hole 1-1 for installing cam 007；007 one end of cam is
S type boss, the other end be jackshaft 7-2, the end jackshaft 7-2 be outer six sides stud, brake backing plate 001 be equipped with it is convex
For installing there are two symmetrically being opened up on the wheel symmetrically arranged brake-shoe erecting bed 1-4 of mounting hole 1-1, brake-shoe erecting bed 1-4
The brake-shoe mounting hole 1-5 of brake-shoe 004,004 one end of brake-shoe is bolted on brake-shoe mounting hole 1-5, another
End is contacted with cam 007S type boss line, and 005 both ends of return spring are separately fixed on two brake-shoes being symmetrically installed 004,
Return spring eye 4-4 and lower return spring eye 4-2 are respectively equipped on brake-shoe 004, for fixing two return springs up and down
It is uniformly provided on the outside of 005, the cam mounting hole 1-1 on brake backing plate 001 multiple for installing the bearing location and installations of bearing
Hole 1-2, jackshaft 7-2 are fixedly mounted on cam mounting hole 1-1 by bearing, and bearing, which is fixed on, holds positioning hole 1-2
It is interior；
Wherein electromagnetic driver 006 includes pedestal 6-9, and the one end pedestal 6-9 is equipped with for bottom on the car body to be fixedly mounted
Seat mounting hole 6-1, the pedestal 6-9 other end are equipped with the left sucker 6-3 of electromagnet, and pedestal 6-9 is right by attachment device 6-7 and electromagnet
The connection of the one end sucker 6-5, is equipped with driving spring 6-4 between the left sucker 6-3 of electromagnet and the right sucker 6-5 of electromagnet, electromagnet is left
Left electromagnetic coil 6-2 and right electromagnetic coil 6-11, the left sucker of electromagnet are wound respectively on sucker 6-3 and the right sucker 6-5 of electromagnet
It is respectively equipped with left Anti-magnetic cap 6-8 and right Anti-magnetic cap 6-12 on the outside of 6-3 and the right sucker 6-5 of electromagnet, the right sucker 6-5 of electromagnet is another
End is connect by connecting rod 6-6 with cam 007, and the end connecting rod 6-6 is equipped with the company being cooperatively connected with the outer six side's stud 7-3 of cam 007
Rod end hole 6-10；Wherein the one end attachment device 6-7 is threaded rod, and the other end is equipped with positive stop lug boss, and attachment device 6-7 is equipped with screw thread
Bar one end is threadedly coupled with the right sucker 6-5 of electromagnet, and pedestal 6-9 is equipped with the ladder hole for installing and connecting apparatus 6-7, even
Connection device 6-7 positive stop lug boss one end is placed in pedestal 6-9 ladder hole；Electromagnetic driver 006 is connected with for electromagnetic driver
006 controller.
Brake-shoe friction facing 002 is fixed on the outside of brake-shoe 004, brake-shoe friction facing 002 is riveted by screw 4-3
Or it is welded on 004 outside of brake-shoe and passes through rubbing between brake-shoe friction facing 002 and wheel hub when shoe brake opens
It wipes frictional force and generates frictional resistance idol square required for braking；
00 4 lower end of two of them brake-shoe is fastened on bottom plate 001 by brake-shoe installation sheet 003, and brake-shoe is total
At being mounted on bottom plate 001, return spring 005 is used to that the shoe brake opened is made to return to original position；
Brake backing plate 001 is equipped with for being fixedly mounted on the mounting hole 1-6 cycled on wheel hub.
Electromagnetic driver 006 is primarily used to generate an axial force along its axis direction, in the effect of connecting rod 6-6
Under make spatially translation be converted into the rotation of cam 007, the pedestal 6-9 of electromagnetic driver is fixed by screws on wheel hub,
It being attached between electromagnet left sucker 6-3 and right sucker 6-5 with attachment device 6-7, the one end attachment device 6-7 is threaded rod,
The other end is positive stop lug boss, is equipped with driving spring 6-4 between electromagnet left sucker 6-3 and right sucker 6-5, when not braking,
Pass through a certain size electric current in left electromagnetic coil 6-2 and right electromagnetic coil 6-11 on electromagnet left sucker 6-3 and pedestal 6-9,
Under the sucking action of magnet, the right sucker 6-5 of electromagnet overcomes the elastic force of spring and shrinks, and spring is compressive state, is passed through
The transmitting of connecting rod 6-6, shoe brake are closed state, the effect of attachment device 6-7 be connect and limit the left sucker 6-3 of electromagnetism and
The relative position of the right sucker 6-5 of electromagnetism, the electricity in left electromagnetic coil 6-2 and right electromagnetic coil 6-11 is disconnected when needing to brake
Stream, the magnetic field between electromagnet left sucker 6-3 and right sucker 6-5 disappear, and push the right sucker of electromagnet under spring force
6-5 drives connecting rod and rotates cam 007, so that shoe brake be made to open, interacts with wheel hub and generates brake drag square.
A kind of control method of electric car drum brake, specifically includes the following steps:
Step 1: acquiring current brake pedal state, speed and road grade in real time first；
Step 2: control system carries out automobile system according to current automobile driving speed and brake pedal displacement acceleration speed
It is dynamic.
Specifically, passing through the brake pedal displacement in controller, pedal force sensor, vehicle speed sensor, slope in step 1
It spends sensor and acquires current brake pedal state, speed and road grade in real time respectively；
Specifically, automobile brake is general braking, emergency braking, climb and fall auxiliary braking in step 2:
Electromagnetic coil does not work in general braking process, disconnects the electricity in left electromagnetic coil 6-2 and right electromagnetic coil 6-11
Stream, the magnetic field between electromagnet left sucker 6-3 and right sucker 6-5 disappear, and push electromagnet right under the action of motive spring force
Sucker 6-5 drives connecting rod and rotates cam 007, so that shoe brake be made to open, interacts with wheel hub and generates brake drag
Square；
When emergency braking, it is passed through the maximum current for making it repel each other in left electromagnetic coil 6-2 and right electromagnetic coil 6-11, electricity
Under magnetic-disc and helical spring collective effect, maximum brake force is realized；
When climb and fall auxiliary braking, control system is according to the driving status of current automobile, when automobile is in long-time descending
Or when upward slope parking, stroke and brake pedal force size are trampled according to brake pedal, in left electromagnetic coil 6-2 and right electromagnetic wire
It is passed through the electric current for making it repel each other in circle 6-11, under magnechuck electromagnetic force and driving spring collective effect, realizes automobile brake.
Claims (7)
1. a kind of electric car drum brake, which is characterized in that including brake-shoe friction facing (002), brake-shoe installation sheet
(003), brake-shoe (004), return spring (005), electromagnetic driver (006), cam (007) and total for installing brake-shoe
At brake backing plate (001), wherein brake backing plate (001) is equipped with cam mounting hole (1- for installing cam (007)
1)；Cam (007) one end is S type boss, and the other end is jackshaft (7-2), and brake backing plate (001) is equipped with to be installed with cam
The symmetrically arranged brake-shoe erecting bed (1-4) in hole (1-1), symmetrically opens up that there are two for installing on brake-shoe erecting bed (1-4)
The brake-shoe mounting hole (1-5) of brake-shoe (004), brake-shoe (004) one end are bolted on brake-shoe mounting hole (1-5)
On, the other end is contacted with cam (007) S type boss line, and return spring (005) both ends are separately fixed at two systems being symmetrically installed
On dynamic hoof (004), wherein electromagnetic driver (006) includes that one end is equipped with for base installing hole on the car body to be fixedly mounted
The pedestal (6-9) of (6-1), pedestal (6-9) other end are equipped with the left sucker of electromagnet (6-3), and pedestal (6-9) passes through attachment device
(6-7) is connect with the one end the right sucker of electromagnet (6-5), is equipped between the left sucker of electromagnet (6-3) and the right sucker of electromagnet (6-5)
Driving spring (6-4), electromagnet right sucker (6-5) other end are connect by connecting rod (6-6) with cam (007), wherein connection dress
Setting the one end (6-7) is threaded rod, and the other end is equipped with positive stop lug boss, and attachment device (6-7) is equipped with threaded rod one end and electromagnet is right
Sucker (6-5) is threadedly coupled, and pedestal (6-9) is equipped with the ladder hole for installing and connecting apparatus (6-7), attachment device (6-
7) positive stop lug boss one end is placed in pedestal (6-9) ladder hole；Electromagnetic driver (006) is connected with for electromagnetic driver
(006) controller；Brake-shoe friction facing (002) is fixed on the outside of brake-shoe (004)；The left sucker of electromagnet (6-3) and electricity
Left electromagnetic coil (6-2) and right electromagnetic coil (6-11), the left sucker of electromagnet (6-3) are wound on the right sucker of magnet (6-5) respectively
Left Anti-magnetic cap (6-8) and right Anti-magnetic cap (6-12) are respectively equipped with the right sucker of electromagnet (6-5) outside；
Multiple bearing positioning peaces for installing bearing are uniformly provided on the outside of brake backing plate (001) overhead cam mounting hole (1-1)
It fills hole (1-2), jackshaft (7-2) is fixedly mounted on cam mounting hole (1-1) by bearing, and bearing is fixed on bearing positioning
In mounting hole (1-2).
2. a kind of electric car drum brake according to claim 1, which is characterized in that on brake backing plate (001)
Equipped with the mounting hole (1-6) for being fixedly mounted on automotive hub.
3. a kind of electric car drum brake according to claim 1, which is characterized in that on brake-shoe (004) respectively
Equipped with upper return spring eye (4-4) and lower return spring eye (4-2), for fixing two return springs (005) up and down.
4. a kind of electric car drum brake according to claim 1, which is characterized in that the end jackshaft (7-2) is
Outer six sides stud, the connecting rod end (6-6) are equipped with and cam (007) connecting rod stomidium (6- that six side's studs (7-3) are cooperatively connected outside
10)。
5. a kind of electric car drum brake according to claim 1, which is characterized in that brake-shoe friction facing
(002) it rivets or is welded on the outside of brake-shoe (004) by screw (4-3).
6. a kind of electric car drum brake according to claim 1, which is characterized in that two of them brake-shoe (00
4) lower end is fastened on bottom plate (001) by brake-shoe installation sheet (003).
7. a kind of control method based on electric car drum brake described in claim 1, which is characterized in that specifically include with
Lower step:
Step 1: acquiring current brake pedal state, speed and road grade in real time first；
Pass through the brake pedal displacement sensor in controller, brake pedal force sensor, vehicle speed sensor, Slope Transducer point
Current brake pedal state, speed and road grade are not acquired not in real time；
Step 2: control system carries out automobile brake according to current automobile driving speed and brake pedal displacement acceleration speed,
Automobile brake is three grades: general braking, emergency braking, climb and fall auxiliary braking:
Electromagnetic coil does not work in general braking process, disconnects the electricity in left electromagnetic coil (6-2) and right electromagnetic coil (6-11)
Stream, the magnetic field between the left sucker of electromagnet (6-3) and right sucker (6-5) disappear, and push electromagnet right under spring force
Sucker (6-5) drives connecting rod and rotates cam (007), so that shoe brake be made to open, interacts with wheel hub and generates braking
The moment of resistance；
When emergency braking, it is passed through the maximum current for making it repel each other in left electromagnetic coil (6-2) and right electromagnetic coil (6-11), electricity
Under magnetic-disc and helical spring collective effect, maximum brake force is realized；
When climb and fall auxiliary braking, control system according to the driving status of current automobile, when automobile in long-time descending or
When upward slope parking, stroke and brake pedal force size are trampled according to brake pedal, in left electromagnetic coil (6-2) and right electromagnetic coil
The electric current for making it repel each other is passed through in (6-11), magnechuck realizes automobile brake under driving spring collective effect.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611045170.7A CN106763346B (en) | 2016-11-22 | 2016-11-22 | A kind of electric car drum brake and its control method |
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| CN201611045170.7A CN106763346B (en) | 2016-11-22 | 2016-11-22 | A kind of electric car drum brake and its control method |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107327519A (en) * | 2017-09-09 | 2017-11-07 | 安徽庆泰汽车部件有限公司 | A kind of electromagnetism EPB of double brake arm configuration |
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| CN109204252B (en) * | 2018-11-07 | 2024-01-09 | 吉林大学 | Brake with recoverable automobile braking energy |
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| CN116081289B (en) * | 2023-01-12 | 2023-11-07 | 中迪机器人(盐城)有限公司 | 90-degree turning conveying equipment for cleaning battery box |
| CN117780818B (en) * | 2024-02-26 | 2024-05-03 | 吉林天池钼业有限公司 | Drum brake of precision motor |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1478686A (en) * | 2002-08-28 | 2004-03-03 | 朱筱杰 | Modulating type brake system |
| CN202209370U (en) * | 2011-08-15 | 2012-05-02 | 北汽福田汽车股份有限公司 | Electromagnet device and vehicle brake |
| CN102431530B (en) * | 2011-10-28 | 2013-12-25 | 吉林大学 | Intelligent parking braking and auxiliary starting control method |
| CN202429187U (en) * | 2011-12-15 | 2012-09-12 | 长安大学 | Parking brake intelligent control device |
| US8989977B1 (en) * | 2013-09-17 | 2015-03-24 | Robert Bosch Gmbh | Hill rollback speed control |
| DE202015001328U1 (en) * | 2015-02-19 | 2015-03-06 | Knott Gmbh | Internal shoe brake with electric actuator and mechanically operated expanding lock |
-
2016
- 2016-11-22 CN CN201611045170.7A patent/CN106763346B/en not_active Expired - Fee Related
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| CN106763346A (en) | 2017-05-31 |
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