CN107719336A - A kind of electromagnetic braker for vehicle structure and braking method - Google Patents
A kind of electromagnetic braker for vehicle structure and braking method Download PDFInfo
- Publication number
- CN107719336A CN107719336A CN201710813915.8A CN201710813915A CN107719336A CN 107719336 A CN107719336 A CN 107719336A CN 201710813915 A CN201710813915 A CN 201710813915A CN 107719336 A CN107719336 A CN 107719336A
- Authority
- CN
- China
- Prior art keywords
- piece
- disk body
- push pedal
- brake
- friction plate
- Prior art date
- 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.)
- Granted
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Classifications
-
- 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
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/06—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels
- B60T1/065—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels employing disc
-
- 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
- B60T13/748—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 acting on electro-magnetic brakes
Abstract
The invention discloses a kind of electromagnetic braker for vehicle structure and braking method, it is intended to which active brake can not be realized by solving brake system of car, and braking response is slower, the higher deficiency of the requirement to motor.The invention includes housing, brake disc, brake disc outer wall is provided with some annular disk bodies, disk body is arranged in housing, some arrestment mechanisms are uniformly installed in housing, arrestment mechanism includes push pedal, some friction plates, some electromagnet, disk body both sides are equipped with promotion piece, piece is promoted to be arranged in push pedal, a friction plate is respectively mounted between disk body both sides and promotion piece, the wedge structure for promoting piece to be inclined to set with friction plate contact surface, piece is promoted to promote friction plate axially outward and be contacted with disk body, push pedal radial outer wall is provided with permanent magnet, it is corresponding with permanent magnet on housing that several electromagnet are installed, electromagnet electrical connection automobile VCU.
Description
Technical field
The present invention relates to a kind of automotive brake, more specifically, it relates to a kind of electromagnetic braker for vehicle structure and
Braking method.
Background technology
Traditional brake system of car, during braking by driver's applying power on brake pedal, after by vacuum servo
The amplification of system on the brake, is braked with being converted into hydraulic coupling, effect so as to realize.Vacuum servo system on present automobile
System is made up of vacuum booster with master cylinder, vacuum tank, vavuum pump, vacuum tube, wherein vacuum booster with master cylinder profit
With vacuum and the pressure differential of air, the brake force that driver is put on pedal is amplified, and by this power conduct to
Master cylinder, hydraulic pressure is established, realize transformation of the pedal force to hydraulic coupling, brake fluid realizes pressure conduction to brake
Braking.Currently used brakes can not be realized and actively braked, and can only passively be braked after driver steps on pedal, and
And brakes is used as the transmission medium of power by brake fluid, by the power of people's effect on the footrests, pressure is built by master cylinder, is transmitted
To brake, the efficiency of liquid conduction pressure and to be related to part more causes braking response slower.And traditional electric control braking system
System is, it is necessary to which motor power output inputs as the pressure of friction plate, and the input power that brake needs will generally reach 2000n.m,
Requirement to motor is very high.
Chinese patent notification number CN206107229U, discloses a kind of braking system of electric car, including arrestment mechanism and
End cap is braked, arrestment mechanism includes brake hoop, brake rubber block, brake rubber block support chip, lead screw motor, back-moving spring and support column, makes
In rotating ring insertion braking end cap, lead screw motor both ends include screw mandrel, and screw mandrel is inserted in the groove of non-conterminous two pieces of brake rubber blocks, is stopped
Has brake rubber block on the side that railway carriage support chip contacts with brake hoop, brake rubber block support chip position is fixed by support column.It is this
Structure setting greatly reduces the volume of braking system of electric car, and any suction function will not be brought to motor,
The NVH of vehicle is not interfered with, while reduces the cost of braking system of electric car yet, but it can not realize active brake,
Braking response is slower, and the requirement to motor is higher.
The content of the invention
Instant invention overcomes brake system of car can not realize active brake, and braking response is slower, the requirement to motor compared with
High deficiency, there is provided a kind of electromagnetic braker for vehicle structure and braking method, it can realize active brake, work as automotive system
Detecting unexpected needs also realize braking, raising safety factor of travel, automobile system even if not stepping on brake pedal during braking
Brake signal is transmitted by wire harness when dynamic, response is fast, and does not need motor brake force is big, good braking effect as power source.
In order to solve the above-mentioned technical problem, the present invention uses following technical scheme：A kind of electromagnetic braker for vehicle structure,
Including housing, brake disc, brake disc outer wall is provided with some annular disk bodies, and disk body is arranged in housing, uniformly pacified in housing
Equipped with some arrestment mechanisms, arrestment mechanism includes push pedal, some friction plates, some electromagnet, and disk body both sides are equipped with promotion piece,
Promote piece to be arranged in push pedal, a friction plate is respectively mounted between disk body both sides and promotion piece, promote piece and friction plate contact surface equal
The wedge structure being inclined to set, piece is promoted to promote friction plate axially outward and be contacted with disk body, in push pedal radial outer wall
It is corresponding with permanent magnet on housing that several electromagnet, electromagnet electrical connection automobile VCU are installed provided with permanent magnet.
Under normal driving states, pin leaves brake pedal, electromagnet power-off, friction plate and disk body separation.When pin steps on braking
During pedal brake automobile, automobile VCU gathers the displacement signal and acceleration signal of pedal, so as to control the electric current of magnetic valve path
Size, solenoid valves carrying magnetic and the permanent magnet homopolar-repulsion in push pedal, promote push pedal to move radially inwardly, and promote piece with rubbing
Wedge structure between pad makes friction plate be axially pushed to disk body and be contacted with disk body, disk body is quickly obtained larger braking
Power, realize braking.When automobile VCU detects the braking of failure needs and driver does not trample brake pedal in time, automobile VCU
The electromagnetic valve circuit of control conducting in time, solenoid valves are braked to disk body.This electromagnetic braker for vehicle structure can realize master
Dynamic braking, when automotive system detect it is unexpected need braking when can also realize braking even if not stepping on brake pedal, improve and go
Car safety coefficient, brake signal is transmitted by wire harness during automobile brake, response is fast, and does not need motor to be used as power source, makes
Power is big, good braking effect.
Preferably, it is equipped with return groove towards two side positions of push pedal in inner walls, it is corresponding with return groove in push pedal
Position is provided with the abutting post of protrusion, abuts and is provided with return spring between post and return groove sidewall, return spring is radially arranged.System
After the completion of dynamic, electromagnet power-off, in the presence of return spring, push pedal is moved radially outward, so that friction plate and disk body point
From realizing return, return is convenient and reliable.Or electromagnet is reversely powered, i.e., the sense of current is on the contrary, between electromagnet and permanent magnet
Heteropole is attracting, and along with the collective effect of return spring realizes the return of push pedal, return is relatively reliable.
Preferably, housing includes interior installation set, outer installation set, connecting plate, positioning cover plate, connecting plate is connected to interior installation
Between set and outer installation set, brake disc is sleeved on outside interior installation set, and positioning cover plate is connected to outer installation set openend, positioning cover plate
It is sleeved on brake disc outer wall, arrestment mechanism is arranged in outer installation set between connecting plate and positioning cover plate.The shell of this structure
Body makes the installation of brake disc and arrestment mechanism relatively reliable, braking procedure safety and steady, it is ensured that braking effect.
Preferably, the surface end positions for promoting piece to be contacted with friction plate are equipped with the limited block of protrusion, friction plate limit
Position is between two limited blocks.Spacing lumpiness friction plate progress is spacing, prevents friction plate from being taken away by disk body.
Preferably, the side position of push pedal outward flange two is equipped with locating piece in inner walls, push pedal is spacing to be determined in both sides
Between the block of position.Locating piece serves good positioning action to push pedal, it is ensured that gradual braking.
Preferably, friction plate, promotion piece are in fan loop configuration, the curved structure of push pedal.The push pedal of this structure, rub
Pad, piece is promoted to be easy to the braking to disk body.
Preferably, promote the axial width of piece outwards gradually increases along radial direction, piece is promoted radially-inwardly to promote
Friction plate is pushed axially toward disk body.During braking, promote piece moves radially the axial movement for being converted into friction plate, so that friction
Piece contacts braking with disk body, and brake force is big, good braking effect.
A kind of braking method of electromagnetic braker for vehicle structure, when pin steps on brake pedal braking vehicle, automobile VCU is adopted
Collect the displacement signal and acceleration signal of pedal, so as to control the size of current of magnetic valve path, solenoid valves carrying magnetic with
Permanent magnet homopolar-repulsion in push pedal, promote push pedal to move radially inwardly, promote the wedge structure between piece and friction plate to make to rub
Pad is axially pushed to disk body and contacted with disk body, quickly obtains larger brake force, realizes braking；Pin leaves brake pedal
When, electromagnet power-off, friction plate and disk body separate.When automobile VCU detects that failure needs to brake and driver does not step in time
During brake-apply, automobile VCU controls conducting electromagnetic valve circuit in time, and solenoid valves are braked to disk body.
Compared with prior art, the beneficial effects of the invention are as follows：Electromagnetic braker for vehicle structure can realize active brake,
When automotive system detect it is unexpected need braking when can also realize braking, raising traffic safety system even if not stepping on brake pedal
Number, brake signal is transmitted by wire harness during automobile brake, response is fast, and does not need motor to be used as power source, and brake force is big, makes
Dynamic effect is good.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the present invention；
In figure：1st, housing, 2, brake disc, 3, disk body, 4, push pedal, 5, friction plate, 6, electromagnet, 7, promote piece, 8, permanent magnet, 9,
Return groove, 10, abut post, 11, return spring, 12, interior installation set, 13, outer installation set, 14, connecting plate, 15, positioning cover plate,
16th, limited block, 17, locating piece.
Embodiment
Below by specific embodiment, and with reference to accompanying drawing, technical scheme is further described specifically：
Embodiment：A kind of electromagnetic braker for vehicle structure（Referring to accompanying drawing 1）, including housing 1, brake disc 2, on brake disc outer wall
Provided with some annular disk bodies 3, disk body is arranged in housing, and some arrestment mechanisms, arrestment mechanism bag are uniformly provided with housing
Push pedal 4, some friction plates 5, some electromagnet 6 are included, disk body both sides, which are equipped with, promotes piece 7, promotes piece to be arranged in push pedal, disk body
A friction plate is respectively mounted between both sides and promotion piece, the wedge structure for promoting piece to be inclined to set with friction plate contact surface, is pushed away
Friction plate can axially outward be promoted and contacted with disk body by moving plate, and push pedal radial outer wall is provided with permanent magnet 8, on housing with permanent magnetism
Body correspondingly installs several electromagnet, electromagnet electrical connection automobile VCU.It is equipped with inner walls towards two side positions of push pedal
Return groove 9, in push pedal and return groove correspondence position is provided with the abutting post 10 of protrusion, abuts and is provided between post and return groove sidewall
Return spring 11, return spring is radially arranged.Housing includes interior installation set 12, outer installation set 13, connecting plate 14, positioning cover plate
15, connecting plate is connected between interior installation set and outer installation set, and brake disc is sleeved on outside interior installation set in sleeve-like configuration, positioning
Cover plate is connected to outer installation set openend, and positioning cover plate is sleeved on brake disc outer wall, and arrestment mechanism is arranged in outer installation set
Between connecting plate and positioning cover plate.The return groove of wherein side is arranged on connecting plate inwall, and the return groove of opposite side is arranged on
On positioning cover plate inwall.The surface end positions for promoting piece to be contacted with friction plate are equipped with the limited block 16 of protrusion, friction plate limit
Position is between two limited blocks.The side position of push pedal outward flange two is equipped with locating piece 17 in inner walls, and push pedal is spacing in both sides
Between locating piece.Friction plate, promote piece in fan loop configuration, the curved structure of push pedal.The axial width of piece is promoted along footpath
Outwards gradually increase to direction, promote piece radially-inwardly to promote and friction plate is pushed axially toward disk body.
A kind of braking method of electromagnetic braker for vehicle structure, when pin steps on brake pedal braking vehicle, automobile VCU is adopted
Collect the displacement signal and acceleration signal of pedal, so as to control the size of current of magnetic valve path, solenoid valves carrying magnetic with
Permanent magnet homopolar-repulsion in push pedal, promote push pedal to move radially inwardly, promote the wedge structure between piece and friction plate to make to rub
Pad is axially pushed to disk body and contacted with disk body, quickly obtains larger brake force, realizes braking；Pin leaves brake pedal
When, electromagnet power-off, friction plate and disk body separate.When automobile VCU detects that failure needs to brake and driver does not step in time
During brake-apply, automobile VCU controls conducting electromagnetic valve circuit in time, and solenoid valves are braked to disk body.
Embodiment described above is a kind of preferable scheme of the present invention, not the present invention is made any formal
Limitation, there are other variants and remodeling on the premise of without departing from the technical scheme described in claim.
Claims (9)
1. a kind of electromagnetic braker for vehicle structure, it is characterized in that, including housing, brake disc, brake disc outer wall is provided with some
The disk body of annular, disk body is arranged in housing, and some arrestment mechanisms are uniformly provided with housing, if arrestment mechanism include push pedal,
Unlubricated friction pad, some electromagnet, disk body both sides are equipped with promotion piece, promote piece to be arranged in push pedal, and disk body both sides are with promoting piece
Between be respectively mounted a friction plate, the wedge structure for promoting piece to be inclined to set with friction plate contact surface, promote piece can to rub
Piece is axially pushed out and contacted with disk body, and push pedal radial outer wall is provided with permanent magnet, if installation corresponding with permanent magnet on housing
Dry electromagnet, electromagnet electrical connection automobile VCU.
2. electromagnetic braker for vehicle structure according to claim 1, it is characterized in that, towards the two of push pedal in inner walls
Side position is equipped with return groove, is provided with the abutting post of protrusion in push pedal with return groove correspondence position, abuts post and return groove sidewall
Between return spring is installed, return spring is radially arranged.
3. electromagnetic braker for vehicle structure according to claim 1, it is characterized in that, housing includes interior installation set, outer peace
Encapsulation, connecting plate, positioning cover plate, connecting plate are connected between interior installation set and outer installation set, and brake disc is sleeved on interior installation set
Outside, positioning cover plate is connected to outer installation set openend, and positioning cover plate is sleeved on brake disc outer wall, and arrestment mechanism is arranged on outer peace
In encapsulation between connecting plate and positioning cover plate.
4. electromagnetic braker for vehicle structure according to claim 1, it is characterized in that, the table for promoting piece to be contacted with friction plate
Face end positions are equipped with the limited block of protrusion, and friction plate is spacing between two limited blocks.
5. electromagnetic braker for vehicle structure according to claim 1, it is characterized in that, push pedal outward flange two in inner walls
Side position is equipped with locating piece, and push pedal is spacing between the locating piece of both sides.
6. the electromagnetic braker for vehicle structure according to claim 1 to 5 any one, it is characterized in that, friction plate, promotion
Piece is in fan loop configuration, the curved structure of push pedal.
7. the electromagnetic braker for vehicle structure according to claim 1 to 5 any one, it is characterized in that, promote the axle of piece
Outwards gradually increase to width along radial direction, promote piece radially-inwardly to promote and friction plate is pushed axially toward disk body.
8. a kind of braking method of the electromagnetic braker for vehicle structure described in claim 1, it is characterized in that, step on braking when pin and step on
During plate braking vehicle, automobile VCU gathers the displacement signal and acceleration signal of pedal, so as to control the electric current of magnetic valve path big
It is small, solenoid valves carrying magnetic and the permanent magnet homopolar-repulsion in push pedal, promote push pedal to move radially inwardly, promote piece and friction
Wedge structure between piece makes friction plate be axially pushed to disk body and be contacted with disk body, and disk body quickly obtains larger brake force,
Realize braking；When pin leaves brake pedal, electromagnet power-off, friction plate and disk body separate.
9. the braking method of electromagnetic braker for vehicle structure according to claim 8, it is characterized in that, when automobile VCU is examined
Measuring failure needs to brake and driver when not trampling brake pedal in time, and automobile VCU controls conducting electromagnetic valve circuit in time,
Solenoid valves are braked to disk body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710813915.8A CN107719336B (en) | 2017-09-11 | 2017-09-11 | A kind of electromagnetic braker for vehicle structure and braking method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710813915.8A CN107719336B (en) | 2017-09-11 | 2017-09-11 | A kind of electromagnetic braker for vehicle structure and braking method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107719336A true CN107719336A (en) | 2018-02-23 |
| CN107719336B CN107719336B (en) | 2019-11-29 |
Family
ID=61205978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710813915.8A Active CN107719336B (en) | 2017-09-11 | 2017-09-11 | A kind of electromagnetic braker for vehicle structure and braking method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107719336B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109131275A (en) * | 2018-09-25 | 2019-01-04 | 合肥龙多电子科技有限公司 | A kind of automobile automatic brake system and method |
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|---|---|---|---|---|
| DE102004041691A1 (en) * | 2004-08-26 | 2006-03-16 | Sew-Eurodrive Gmbh & Co. Kg | Electric motor, has disk brake with brake lining carrier that is positively connected with tappet, and brake bearing shield or casing part that is arranged such that axial guidance is formed for armature disk and brake disk |
| CN201827269U (en) * | 2010-10-28 | 2011-05-11 | 焦作制动器股份有限公司 | Electromagnetic plate type brake |
| CN103343788A (en) * | 2013-07-16 | 2013-10-09 | 吉林大学 | Wedge-shaped automobile brake device based on proportional electromagnet driving |
| CN104204598A (en) * | 2012-04-11 | 2014-12-10 | 丰田自动车株式会社 | Disc brake |
| CN204878446U (en) * | 2015-07-20 | 2015-12-16 | 浙江尤里卡机电有限公司 | Electromagnetic brake |
| CN207257656U (en) * | 2017-09-11 | 2018-04-20 | 浙江零跑科技有限公司 | Electromagnetic braker for vehicle |
-
2017
- 2017-09-11 CN CN201710813915.8A patent/CN107719336B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004041691A1 (en) * | 2004-08-26 | 2006-03-16 | Sew-Eurodrive Gmbh & Co. Kg | Electric motor, has disk brake with brake lining carrier that is positively connected with tappet, and brake bearing shield or casing part that is arranged such that axial guidance is formed for armature disk and brake disk |
| CN201827269U (en) * | 2010-10-28 | 2011-05-11 | 焦作制动器股份有限公司 | Electromagnetic plate type brake |
| CN104204598A (en) * | 2012-04-11 | 2014-12-10 | 丰田自动车株式会社 | Disc brake |
| CN103343788A (en) * | 2013-07-16 | 2013-10-09 | 吉林大学 | Wedge-shaped automobile brake device based on proportional electromagnet driving |
| CN204878446U (en) * | 2015-07-20 | 2015-12-16 | 浙江尤里卡机电有限公司 | Electromagnetic brake |
| CN207257656U (en) * | 2017-09-11 | 2018-04-20 | 浙江零跑科技有限公司 | Electromagnetic braker for vehicle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109131275A (en) * | 2018-09-25 | 2019-01-04 | 合肥龙多电子科技有限公司 | A kind of automobile automatic brake system and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107719336B (en) | 2019-11-29 |
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Address after: 6 / F, Xintu building, 451 Internet of things street, Binjiang District, Hangzhou City, Zhejiang Province, 310051 Patentee after: Zhejiang Zero run Technology Co.,Ltd. Address before: 6 / F, Xintu building, 451 Internet of things street, Binjiang District, Hangzhou City, Zhejiang Province, 310051 Patentee before: ZHEJIANG LEAPMOTOR TECHNOLOGY Co.,Ltd. |
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