CN207670391U - A kind of electromagnetic type brake pedal simulator and automobile line control brake system - Google Patents
A kind of electromagnetic type brake pedal simulator and automobile line control brake system Download PDFInfo
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- CN207670391U CN207670391U CN201721491244.XU CN201721491244U CN207670391U CN 207670391 U CN207670391 U CN 207670391U CN 201721491244 U CN201721491244 U CN 201721491244U CN 207670391 U CN207670391 U CN 207670391U
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- brake pedal
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Abstract
The utility model discloses a kind of electromagnetic type brake pedal simulator and automobile line control brake systems, wherein electromagnetic type brake pedal simulator includes simulator shell, the sap cavity shell being connect with simulator shell, magnetorheological fluid and piston in sap cavity in sap cavity shell, electromagnetic coil outside sap cavity shell and the return spring being connect with piston, the piston is equipped with the piston rod being connect with brake pedal, when driver's brake pedal, supplying current thereto makes magnetorheological fluid generate flow resistance, when the driver releases the brake pedal, electromagnetic coil powers off, piston returns to original position under the action of return spring.The utility model uses feedback medium of the magnetorheological fluid as brake pedal simulator, and compared with spring and fluid pressure type, electromagnetic type brake pedal simulator is simple in structure, reliable, and response is fast, and real-time is good, and controllable.
Description
Technical field
The utility model is related to automobile brake technologies, and in particular to Automotive By-Wire Control Technology.
Background technology
Compared with Conventional braking systems, the structure of line control brake system is simpler, flexible arrangement, and control accuracy
Height, fast response time.Line control brake system eliminates traditional hydraulic pressure, air pressure and mechanical transmission mechanism, but uses a kind of system
Dynamic pedal simulator carrys out simulating brake process, to the feedback force that driver provides, so that driver is had in braking process good
Control feel.
Conventional braking systems mostly use spring and fluid pressure type structure, belong to passive type adjusting, structure once it is determined that, step on
Plate characteristic is also changeless.Although simple in structure, simulation effect is poor.
Existing pedal simulator is connected with master cylinder, is instead made to be provided to driver by the brake fluid that master cylinder flows into
Firmly, the structural response is slower, and real-time is poor.
Utility model content
Technical problem to be solved in the utility model is just to provide a kind of simple in structure, and accordingly faster, simulation effect is more
Good electromagnetic type brake pedal simulator.
In order to solve the above technical problems, the utility model adopts the following technical solution：A kind of electromagnetic type brake pedal simulation
Device, including simulator shell, the sap cavity shell being connect with simulator shell, the magnetorheological fluid in sap cavity in sap cavity shell and
Piston, the electromagnetic coil outside sap cavity shell and the return spring being connect with piston, the piston are equipped with and are stepped on braking
The piston rod of plate connection, when driver's brake pedal, supplying current thereto makes magnetorheological fluid generate flow resistance,
When the driver releases the brake pedal, electromagnetic coil powers off, and piston returns to original position under the action of return spring.
Preferably, the electromagnetic coil includes the first coil being axially distributed along sap cavity shell and the second coil.
Preferably, by simulator housings close, other end is closed by gasket for one end of the sap cavity shell sap cavity.
The utility model additionally provides a kind of automobile line control brake system, including controller and above-mentioned brake pedal mould
Quasi- device, the size of current of the controller control electromagnetic coil.
Further, controller control electromagnetic coil provide light brake electric current either normal brake application electric current or
Emergency braking electric current.
The utility model uses above-mentioned technical proposal, has the advantages that：
1, the feedback medium using magnetorheological fluid as brake pedal simulator, compared with spring and fluid pressure type, electricity
Magnetic-type brake pedal simulator is simple in structure, reliable, and response is fast, and real-time is good, and controllable.
2, it places the coil in outside magnetorheological fluid cavity shell, it is simple in structure, it is easy to insulate.And it encloses online when something goes wrong,
It is easily changed coil.
3, controlled respectively using two groups of coils, when one group of coil when something goes wrong, another group of coil can still work, and simulation is stepped on
Plate feedback characteristics, good reliability.
Description of the drawings
The utility model is further described with reference to the accompanying drawings and detailed description：
Fig. 1 is the control principle drawing of electromagnetic type brake pedal simulator.
Fig. 2 is the structure chart of electromagnetic type brake pedal simulator.
1- brake pedals；2- pistons；3- gaskets；4- first coils；5- magnetorheological fluids；The second coils of 6-；7- sap cavity shells
Body；8- return springs；9- simulator shells.
Specific implementation mode
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.It is illustrative to the description only actually of at least one exemplary embodiment below, is never used as to this practicality
Novel and its application or any restrictions used.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
There is the every other embodiment obtained under the premise of making creative work, shall fall within the protection scope of the present invention.
Embodiment one, as shown in Fig. 2, a kind of electromagnetic type brake pedal simulator, including simulator shell 9 and simulator
Sap cavity shell 7, the magnetorheological fluid 5 in 7 sap cavity of sap cavity shell and the piston 2 of the connection of shell 9 are mounted on outside sap cavity shell 7
Electromagnetic coil and the return spring 8 that is connect with piston 2, the piston 2 be equipped with the piston rod being connect with brake pedal 1.
Magnetorheological fluid is a kind of intellectual material, by high magnetic permeability, low hysteresis small soft magnetic particles and non-magnetic
The suspended substance that liquid mixes.In no externally-applied magnetic field, magnetorheological fluid has good mobility.In the effect of externally-applied magnetic field
Under, can be changed into viscoplasticity body rapidly within the Millisecond time, viscosity increases in the order of magnitude, and this variation be reversible,
Controllable.The utility model uses feedback medium of the magnetorheological fluid as brake pedal simulator, with spring and fluid pressure type phase
Compare, electromagnetic type brake pedal simulator is simple in structure, reliable, and response is fast, and real-time is good, and controllable.If electromagnetic coil
It is directly contacted with magnetorheological fluid, electromagnetic coil insulation is very difficult.Therefore, it places the coil in outside magnetorheological fluid cavity shell, structure
Simply, it is easy to insulate, and encloses online when something goes wrong, is easily changed coil.
Wherein, the electromagnetic coil includes the first coil 4 being axially distributed along sap cavity shell 7 and the second coil 6.It can be to two
Group coil is powered simultaneously, also can individually be powered.Identical electric current may be used in two groups of coils, and different electric currents can also be used.Such as
Fruit is only with one group of coil, when coil failure, pedal simulator failure.And after using two groups of coils, when one group of coil is asked
When topic, another group of coil can still work, and simulate pedal feedback characteristic, good reliability.In addition, the First Line used in the present embodiment
The number of turns of circle and the second coil can be identical, also can be different.
7 sap cavity one end of the sap cavity shell is closed by simulator shell 9, and other end is closed by gasket 3, to realize two
The closing at end.Piston rod is passed through from 3 movable sealing of gasket, and the both ends of return spring 8 are separately fixed at simulator shell 9 and live
It fills on end face, to allow return spring 8 to act on the piston 2, realizes 2 return of piston.
Embodiment two, as shown in Figure 1, automobile line control brake system, including controller, above-mentioned brake pedal simulator with
And pedal displacement sensor, controller judge that operator brake is intended to by the pedal displacement sensor signal received, from
And controller controls the size of current of electromagnetic coil according to the feedback information of pedal displacement sensor.
Further, braking is divided into light brake, normal brake application and emergency braking.By controller according to different braking works
Condition provides corresponding electric current to brake pedal simulator, and different electric currents can make magnetorheological fluid have different viscositys, to produce
Raw different flow resistance.Corresponding light brake, three kinds of on-positions of normal brake application and emergency braking, controller control electromagnetic wire
Circle provides light brake electric current either normal brake application electric current or emergency braking electric current.
Driver's brake pedal 1, controller provide electric current to first coil 4 and the second coil 6, and piston 2 overcomes magnetic
The resistance of rheology liquid 5 and return spring 8 is pushed ahead, to which driver experiences the feedback force of brake pedal 1.Driver unclamps
When brake pedal 1, first coil 4 and the second coil 6 are no longer powered, and piston 2 returns to original under the action of return spring 8 at this time
Position.
In addition, the utility model use feedback medium of the magnetorheological fluid as brake pedal simulator, and with electronics control
System is combined, and realizes intelligent continuous control, being capable of more preferable simulation pedal characteristic.
In addition to above preferred embodiment, the utility model also has other embodiments, and those skilled in the art can root
It is made various changes and modifications according to the utility model, without departing from the spirit of the utility model, the utility model should all be belonged to
Range as defined in the claims.
Claims (5)
1. a kind of electromagnetic type brake pedal simulator, it is characterised in that：Magnetic including sap cavity shell, in sap cavity shell sap cavity
Rheology liquid and piston, the electromagnetic coil outside the sap cavity shell and return spring being connect with piston, the piston are equipped with
The piston rod being connect with brake pedal, when driver's brake pedal, supplying current thereto makes magnetorheological fluid generate
Flow resistance, when the driver releases the brake pedal, electromagnetic coil power-off, piston return to original position under the action of return spring.
2. a kind of electromagnetic type brake pedal simulator according to claim 1, it is characterised in that：The electromagnetic coil includes
The first coil being axially distributed along sap cavity shell and the second coil.
3. a kind of electromagnetic type brake pedal simulator according to claim 1, it is characterised in that：The sap cavity shell sap cavity
One end by simulator housings close, other end is closed by gasket.
4. a kind of automobile line control brake system, it is characterised in that：Described in controller and claims 1 to 3 any one
Brake pedal simulator, the size of current of controller control electromagnetic coil.
5. a kind of automobile line control brake system according to claim 4, it is characterised in that：The controller controls electromagnetic wire
Circle provides light brake electric current either normal brake application electric current or emergency braking electric current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721491244.XU CN207670391U (en) | 2017-11-10 | 2017-11-10 | A kind of electromagnetic type brake pedal simulator and automobile line control brake system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721491244.XU CN207670391U (en) | 2017-11-10 | 2017-11-10 | A kind of electromagnetic type brake pedal simulator and automobile line control brake system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207670391U true CN207670391U (en) | 2018-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721491244.XU Active CN207670391U (en) | 2017-11-10 | 2017-11-10 | A kind of electromagnetic type brake pedal simulator and automobile line control brake system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111086494A (en) * | 2020-01-14 | 2020-05-01 | 南京航空航天大学 | Line control brake pedal simulator based on magnetorheological fluid and working method thereof |
| CN111497628A (en) * | 2020-03-31 | 2020-08-07 | 南京航空航天大学 | Vehicle pedal force compensation system based on magnetorheological fluid and control method |
| CN112078553A (en) * | 2020-09-21 | 2020-12-15 | 郑浬 | High decibel volume automobile brake system |
| CN112896116A (en) * | 2021-03-19 | 2021-06-04 | 江苏理工学院 | Electromagnetic regulation type intelligent pedal mechanism for braking feeling of electric automobile |
| CN113246936A (en) * | 2021-05-12 | 2021-08-13 | 南京航空航天大学 | Automobile brake-by-wire pedal simulator based on electromagnetic adjustment |
| CN114572177A (en) * | 2020-12-02 | 2022-06-03 | 郑州宇通客车股份有限公司 | Brake valve, new energy vehicle using brake valve and brake control method |
| CN115027425A (en) * | 2022-07-12 | 2022-09-09 | 南京工业职业技术大学 | Pedal mechanism with stroke sensing and force sensing feedback functions |
-
2017
- 2017-11-10 CN CN201721491244.XU patent/CN207670391U/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111086494A (en) * | 2020-01-14 | 2020-05-01 | 南京航空航天大学 | Line control brake pedal simulator based on magnetorheological fluid and working method thereof |
| CN111086494B (en) * | 2020-01-14 | 2021-10-01 | 南京航空航天大学 | Line control brake pedal simulator based on magnetorheological fluid and working method thereof |
| CN111497628A (en) * | 2020-03-31 | 2020-08-07 | 南京航空航天大学 | Vehicle pedal force compensation system based on magnetorheological fluid and control method |
| CN111497628B (en) * | 2020-03-31 | 2021-07-09 | 南京航空航天大学 | Vehicle pedal force compensation system based on magnetorheological fluid and control method |
| CN112078553A (en) * | 2020-09-21 | 2020-12-15 | 郑浬 | High decibel volume automobile brake system |
| CN112078553B (en) * | 2020-09-21 | 2021-07-13 | 嘉兴金旅燕科技有限公司 | High decibel volume automobile brake system |
| CN114572177A (en) * | 2020-12-02 | 2022-06-03 | 郑州宇通客车股份有限公司 | Brake valve, new energy vehicle using brake valve and brake control method |
| CN112896116A (en) * | 2021-03-19 | 2021-06-04 | 江苏理工学院 | Electromagnetic regulation type intelligent pedal mechanism for braking feeling of electric automobile |
| CN112896116B (en) * | 2021-03-19 | 2022-07-08 | 江苏理工学院 | Electromagnetic regulation type intelligent pedal mechanism for braking feeling of electric automobile |
| CN113246936A (en) * | 2021-05-12 | 2021-08-13 | 南京航空航天大学 | Automobile brake-by-wire pedal simulator based on electromagnetic adjustment |
| CN113246936B (en) * | 2021-05-12 | 2022-04-08 | 南京航空航天大学 | Automobile brake-by-wire pedal simulator based on electromagnetic adjustment |
| CN115027425A (en) * | 2022-07-12 | 2022-09-09 | 南京工业职业技术大学 | Pedal mechanism with stroke sensing and force sensing feedback functions |
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