CN109421546A - A kind of vehicle and its composite braking system - Google Patents
A kind of vehicle and its composite braking system Download PDFInfo
- Publication number
- CN109421546A CN109421546A CN201710731437.6A CN201710731437A CN109421546A CN 109421546 A CN109421546 A CN 109421546A CN 201710731437 A CN201710731437 A CN 201710731437A CN 109421546 A CN109421546 A CN 109421546A
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- braking
- brake
- vehicle
- braking system
- friction
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- 239000002131 composite material Substances 0.000 title claims abstract description 46
- 230000009347 mechanical transmission Effects 0.000 claims abstract description 14
- 230000001172 regenerating effect Effects 0.000 claims description 37
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 8
- 241000237858 Gastropoda Species 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000012530 fluid Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L7/00—Electrodynamic brake systems for vehicles in general
- B60L7/24—Electrodynamic brake systems for vehicles in general with additional mechanical or electromagnetic braking
- B60L7/26—Controlling the braking effect
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L7/00—Electrodynamic brake systems for vehicles in general
- B60L7/10—Dynamic electric regenerative braking
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Regulating Braking Force (AREA)
- Braking Arrangements (AREA)
Abstract
The present invention relates to a kind of vehicle and its composite braking systems.Vehicle includes wheel and is connect with wheel to control the composite braking system of vehicle braking, the composite braking system includes friction braking system, the friction braking system includes braking motor and directly implements the brake of brake operating to wheel, and the mechanical transmission structure of transmitting power is equipped between the braking motor and brake.Air pressure or brake fluid system before being replaced by braking motor and mechanical transmission structure, it avoids and adds other power-equipments on new energy vehicle, friction catch can be realized in the power that can use vehicle itself, structure is simple, the production cost of vehicle is reduced, while being easily achieved complete automatically controlledization of vehicle.
Description
Technical field
The present invention relates to a kind of vehicle and its composite braking systems.
Background technique
New energy vehicle is entering two due to having the characteristics that pollutant emission is low, energy reserve is abundant, development potentiality is big
Obtained wideling popularize for government since eleventh century, existing new energy vehicle mainly include pure electric vehicle, plug-in vehicle,
Several forms such as hybrid vehicle, fuel-cell vehicle.The braking system of the new energy vehicle then friction catch system by being driven
System and electric regenerative braking system two parts composition, kinetic energy when electric regenerative braking system can be by vehicle deceleration are converted into electric energy storage
There are the energy consumption in Vehicular battery, saving vehicle, and friction braking system then work with electric regenerative braking system one with
The brake safe of support vehicles.
Application publication number is 104890521 A of CN, and the Chinese invention patent application that data of publication of application is 2015.09.09 is public
A kind of composite braking method is opened, which includes electric braking (i.e. electric regenerative braking) and friction catch, compound
Brake force is equal to the sum of electric braking force and friction brake force, is braked according to the braking requirement of vehicle, and composite braking power is kept
It is constant.The friction catch of the composite braking method mainly using hydraulic or air pressure progress drum-type or disc brake system into
Row friction catch, and need that hydraulic cylinder or pneumatic cylinder are arranged on vehicle when being braked using hydraulic perhaps air pressure, and
And a large amount of pipeline is laid on vehicle chassis, need to realize the tune of friction brake force using structures such as automatically controlled adjusting proportioning valves
Section, structure is complicated, and difficult design when vehicle production, the noise that hydraulic cylinder and pneumatic cylinder generate at work is also to passenger
Bad experience is brought, for pure electric vehicle, does not have pneumatic cylinder and hydraulic cylinder on vehicle, it is also necessary to is special fixed
Special pneumatic cylinder and hydraulic cylinder are done, vehicle cost is considerably increased and pure electric vehicle realizes a big resistance of complete automatically controlledization
Hinder.
Summary of the invention
The purpose of the present invention is to provide it is a kind of it is at low cost, structure is simple and is easily achieved the compound system of vehicle automatically controlledization entirely
Dynamic system, the present invention also provides a kind of vehicles using the composite braking system.
In order to solve the above-mentioned technical problem, the first technical solution of vehicle of the invention are as follows: a kind of vehicle, including wheel
It is connect with wheel to control the composite braking system of vehicle braking, the composite braking system includes friction braking system, institute
State the brake that friction braking system includes braking motor and directly implements brake operating to wheel, the braking motor and braking
The mechanical transmission structure of transmitting power is equipped between device.
The beneficial effect of the technical solution is: air pressure before being replaced by braking motor and mechanical transmission structure or
Brake fluid system avoids and adds other power-equipments on new energy vehicle, can use the power of vehicle itself
Realize friction catch, structure is simple, reduces the production cost of vehicle, while being easily achieved complete automatically controlledization of vehicle.
Second of technical solution of vehicle of the invention are as follows: on the basis of the first technical solution of vehicle of the invention
On, the mechanical transmission structure includes the worm and gear knot on the transmitting power path being set between braking motor and brake
Structure.Worm gear structure has self-locking effect, and vehicle parking may be implemented, and it is existing to prevent from occurring when half hill-start of vehicle car slipping
As having booster action for uphill starting.
The third technical solution of vehicle of the invention are as follows: on the basis of second of technical solution of vehicle of the invention
On, the brake includes the brake disc being fixedly connected with wheel and the clamping brake disc to provide the card of friction brake force
Pincers.Brake disc and the structure of clamp are simple, are easy to make.
4th kind of technical solution of vehicle of the invention are as follows: on the basis of the third technical solution of vehicle of the invention
On, the worm screw of worm gear structure connect with the clamp, the worm gear of worm gear structure and the transmission axis connection of braking motor.
Worm screw directly connect with clamp, the transmission axis connection of worm gear and braking motor, reduces intermediate drive mechanism, reduces the energy
Waste.
5th kind of technical solution of vehicle of the invention are as follows: in any one of first to fourth of vehicle of the invention technical side
On the basis of case, the composite braking system further includes electric regenerative braking system, and the electricity regenerative braking system includes to vehicle
Traveling provides the driving motor of power and controls the electric machine controller that the driving motor realizes regenerative braking.Electric regenerative braking system
The recycling of energy may be implemented in system, can be onboard power power source charges, save the energy consumption of vehicle.
6th kind of technical solution of vehicle of the invention are as follows: on the basis of the 5th kind of technical solution of vehicle of the invention
On, the composite braking system further includes braking control system, the braking control system include the electric machine controller and
The wheel speed sensors of connection are sampled respectively with the electric machine controller, brake pedal tramples depth transducer, electrokinetic cell system
The brake monitor of friction catch is carried out with control friction braking system, the braking control system controls electric regenerative braking system
And the friction that friction braking system provides the electric regenerative braking power of electric regenerative braking system offer and friction braking system
The sum of brake force is equal to total brake force required for the vehicle that brake pedal provides.Electric machine controller is according to each sensor passes
Information calculate the total brake force needed and driving motor is capable of providing at this time electric regenerative braking power, according to its difference control
Brake monitor processed provides the friction brake force of needs for friction braking system, and electric regenerative braking is maximumlly utilized, and saves
The energy of vehicle, total brake force remain unchanged, and brake is steady, ensure that regularity and stability when vehicle braking.
The first technical solution of composite braking system of the invention are as follows: a kind of composite braking system, including friction catch
System, the friction braking system include braking motor and directly implement the brake of brake operating to wheel, the braking electricity
The mechanical transmission structure of transmitting power is equipped between machine and brake.
The beneficial effect of the technical solution is: air pressure before being replaced by braking motor and mechanical transmission structure or
Brake fluid system avoids and adds other power-equipments on new energy vehicle, can use the power of vehicle itself
Realize friction catch, structure is simple, reduces the production cost of vehicle, while being easily achieved complete automatically controlledization of vehicle.
Second of technical solution of composite braking system of the invention are as follows: in the first of composite braking system of the invention
On the basis of technical solution, the mechanical transmission structure includes the transmitting power path being set between braking motor and brake
On worm gear structure.Worm gear structure has self-locking effect, and vehicle parking may be implemented, prevent vehicle half way up the mountain from opening
Occur car slipping phenomenon when dynamic, has booster action for uphill starting.
The third technical solution of composite braking system of the invention are as follows: at second of composite braking system of the invention
On the basis of technical solution, the brake includes that the brake disc being fixedly connected with wheel and the clamping brake disc are rubbed with providing
Wipe the clamp of brake force.Brake disc and the structure of clamp are simple, are easy to make.
4th kind of technical solution of composite braking system of the invention are as follows: in the third of composite braking system of the invention
On the basis of technical solution, the worm screw of worm gear structure connect with the clamp, the worm gear and braking electricity of worm gear structure
The transmission axis connection of machine.Worm screw directly connect with clamp, the transmission axis connection of worm gear and braking motor, reduces intermediate transmission
Structure reduces the waste of the energy.
5th kind of technical solution of composite braking system of the invention are as follows: composite braking system of the invention first to
On the basis of any one of 4th technical solution, the composite braking system further includes electric regenerative braking system, the electricity feedback system
Dynamic system includes the motor control for providing the driving motor of power to vehicle driving and controlling the driving motor realization regenerative braking
Device processed.The recycling of energy may be implemented in electric regenerative braking system, can be onboard power power source charges, and the energy for saving vehicle disappears
Consumption.
6th kind of technical solution of composite braking system of the invention are as follows: at the 5th kind of composite braking system of the invention
On the basis of technical solution, the composite braking system further includes braking control system, and the braking control system includes described
Electric machine controller and sample the wheel speed sensors of connection respectively with the electric machine controller, brake pedal tramples depth sensing
Device, electrokinetic cell system and control friction braking system carry out the brake monitor of friction catch, the braking control system control
Making electric regenerative braking system and friction braking system makes the electric regenerative braking power and friction system of electric regenerative braking system offer
The sum of the friction brake force that dynamic system provides is equal to total brake force required for the vehicle that brake pedal provides.Electric machine controller root
The total brake force needed and the electric feedback system that driving motor is capable of providing at this time are calculated according to the information of each sensor passes
Power controls brake monitor according to its difference and provides the friction brake force of needs for friction braking system, maximized to utilize
Electric regenerative braking, has saved the energy of vehicle, and total brake force remains unchanged, and brake is steady, flat when ensure that vehicle braking
Pliable and stability.
Detailed description of the invention
Fig. 1 is the block schematic illustration of composite braking system of the invention；
Fig. 2 is the layout drawing of composite braking system of the invention；
Fig. 3 is the structural schematic diagram of the friction braking system of composite braking system of the invention；
Fig. 4 is the distribution curve figure of total brake force of composite braking system of the invention.
It is respectively marked in figure: 1. total brake force；2. friction brake force；3. electric regenerative braking power；4. speed；5. braking motor；
6. brake disc；7. brake monitor；8. electric machine controller；9. driving motor；10. wheel；11. vehicle bridge；12. main reducing gear；13.
Clamp；14. worm screw；15. worm gear.
Specific embodiment
The embodiment 1 of vehicle of the invention is as shown in Fig. 1 ~ 4, including wheel 10 and connect with wheel 10 to control vehicle system
Dynamic composite braking system, composite braking system include braking control system, electric regenerative braking system and friction braking system.System
Autocontrol system includes electric machine controller 8 and samples the wheel speed sensors of connection respectively with electric machine controller 8, brake pedal is trampled
Depth transducer, electrokinetic cell system and control friction braking system carry out the brake monitor 7 of friction catch, electric machine controller
8 eat from each sensor obtains total brake force 1 and driving motor 9 required for vehicle under current state and is working as front truck
The maximum electric regenerative braking power 3 that can be provided under speed 4, and made and being rubbed to brake monitor 7 according to the difference of the two
The instruction of the numerical value of braking and specific friction brake force 2；Electric regenerative braking system includes driving motor 9 and control driving electricity
Machine 9 realizes the electric machine controller 7 of regenerative braking, and what in vehicle deceleration, driving motor 9 received electric machine controller 7 is indicated to vehicle
Electric regenerative braking power is provided, driving motor 9 is arranged in the vehicle bridge 11 of vehicle and is connected by main reducing gear 12 with vehicle bridge 11；It rubs
The brake that braking system includes braking motor 5 and directly implements brake operating to wheel 10 is wiped, in this embodiment brake
For the brake disc 6 being fixedly connected with wheel 10 and brake disc 6 is clamped to provide the clamp 13 of friction brake force, in other embodiments
In, brake may be the brake rim being fixedly connected with wheel and friction brake drum to provide the brake block of friction brake force；
The mechanical transmission structure of transmitting power, in this embodiment, mechanical transmission structure packet are equipped between braking motor 5 and brake
Include worm gear structure, the respective end of worm screw 14 connect with clamp 13 and clamp 13 can be made to shrink clamping brake disc 6, worm gear 15 with
The transmission axis connection of braking motor 5.
When braking is required, brake signal is simultaneously passed through brake pedal depth to vehicle of the invention by driver's brake pedal
Sensor passes are spent to electric machine controller, and electric machine controller judges driver according to the signal that brake pedal depth transducer transmits
The total brake force 1 needed, while the speed signal and electrokinetic cell system biography that electric machine controller is transmitted according to wheel speed sensors
The battery dump energy passed judges the maximum electric regenerative braking power 3 that driving motor can be provided, and transmits to driving motor
The signal of electric regenerative braking makes motor provide electric regenerative braking, total braking that electric machine controller is needed according to driver to vehicle
The difference of the electric regenerative braking power 3 of the maximum that power 1 and driving motor can be provided makes the finger of friction catch to brake monitor
Show, and guarantee that the sum of electric regenerative braking power 3 and friction brake force 2 are equal with total brake force 1 always, brake monitor obtains motor
Driving braking motor rotation after the signal of controller transmitting, braking motor pass through worm gear structure band moving calipers clamping brake disc
Realize the braking to vehicle.At this time the total braking force distribution and speed 4 of vehicle variation as shown in figure 4, horizontal axis indicate the time,
The longitudinal axis indicates numerical value, and holding is stablized constant after the linear increase of total brake force 1 of vehicle, and electric braking force 3 is non-linear to increase to maximum
Holding is stablized constant after value, and friction brake force 2 subtracts after first increasing to maximum value in a very short period of time according still further to certain curve
It is small to minimum value and to keep stable, and the minimum value of friction brake force 2 is greater than zero, the speed 4 of vehicle is then with linear change to most
Small value.
The embodiment 2 of vehicle of the invention, the difference with embodiment 1 are only that: worm gear, worm screw pass through intermediate transfer structure
Respectively correspond and connect with braking motor drive shaft, clamp, by intermediate transfer structure reduce worm and gear directly with braking electricity
Machine drive shaft, the difficulty of clamp connection, facilitate mechanical installation and production.
The embodiment 3 of vehicle of the invention, the difference with embodiment 1 are only that: the mechanical transmission structure is with certainly
The ball screw arrangement of lock function.
The present invention also provides a kind of implementations of composite braking system for example shown in Fig. 1 ~ 4, specific structure and above-mentioned
The structure of the composite braking system of vehicle is identical, and details are not described herein again.
Claims (10)
1. a kind of composite braking system, including friction braking system, it is characterised in that: the friction braking system includes braking electricity
Machine and the brake for directly implementing brake operating to wheel are equipped with the machinery of transmitting power between the braking motor and brake
Drive mechanism.
2. composite braking system according to claim 1, it is characterised in that: the mechanical transmission structure includes being set to system
The worm gear structure on transmitting power path between dynamic motor and brake.
3. composite braking system according to claim 2, it is characterised in that: the brake includes being fixedly connected with wheel
Brake disc and clamp the brake disc to provide the clamp of friction brake force.
4. composite braking system according to claim 3, it is characterised in that: the worm screw of worm gear structure and the clamp
Connection, the worm gear of worm gear structure and the transmission axis connection of braking motor.
5. described in any item composite braking systems according to claim 1 ~ 4, it is characterised in that: the composite braking system also wraps
Electric regenerative braking system is included, the electricity regenerative braking system includes providing described in driving motor and the control of power to vehicle driving
The electric machine controller of driving motor realization regenerative braking.
6. composite braking system according to claim 5, it is characterised in that: the composite braking system further includes braking control
System processed, the braking control system include the electric machine controller and sample the wheel of connection respectively with the electric machine controller
Fast sensor, brake pedal tramples depth transducer, electrokinetic cell system and control friction braking system and carries out friction catch
Brake monitor, the braking control system, which controls electric regenerative braking system and friction braking system, makes electric regenerative braking system
The sum of friction brake force that the electric regenerative braking power and friction braking system of offer provide is equal to the vehicle that brake pedal provides
Required total brake force.
7. a kind of vehicle is connect to control the composite braking system of vehicle braking, the composite braking including wheel and with wheel
System includes friction braking system, it is characterised in that: the friction braking system includes braking motor and directly implements to wheel
The brake of brake operating is equipped with the mechanical transmission structure of transmitting power between the braking motor and brake.
8. vehicle according to claim 7, it is characterised in that: the mechanical transmission structure include be set to braking motor with
The worm gear structure on transmitting power path between brake.
9. vehicle according to claim 8, it is characterised in that: the brake includes the brake disc being fixedly connected with wheel
With the clamping brake disc to provide the clamp of friction brake force.
10. vehicle according to claim 9, it is characterised in that: the worm screw of worm gear structure connect with the clamp, snail
The worm gear of worm and gear structure and the transmission axis connection of braking motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710731437.6A CN109421546A (en) | 2017-08-23 | 2017-08-23 | A kind of vehicle and its composite braking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710731437.6A CN109421546A (en) | 2017-08-23 | 2017-08-23 | A kind of vehicle and its composite braking system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109421546A true CN109421546A (en) | 2019-03-05 |
Family
ID=65499285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710731437.6A Pending CN109421546A (en) | 2017-08-23 | 2017-08-23 | A kind of vehicle and its composite braking system |
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| Country | Link |
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| CN (1) | CN109421546A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111645648A (en) * | 2020-06-19 | 2020-09-11 | 厦门金龙联合汽车工业有限公司 | Method for adjusting sensitivity of brake pedal by using electronic mechanical brake mechanism |
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| CN105673740A (en) * | 2016-04-06 | 2016-06-15 | 烟台南山学院 | Electromechanical brake system |
| CN205401549U (en) * | 2016-03-02 | 2016-07-27 | 山东交通学院 | Two -way promotion formula electromechanical brake device of wind turbine generator system |
| CN207466383U (en) * | 2017-08-23 | 2018-06-08 | 郑州宇通客车股份有限公司 | Vehicle and its composite braking system |
-
2017
- 2017-08-23 CN CN201710731437.6A patent/CN109421546A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101823481A (en) * | 2010-03-31 | 2010-09-08 | 奇瑞汽车股份有限公司 | Electronic parking brake system and control method thereof |
| CN102128223A (en) * | 2011-03-07 | 2011-07-20 | 山东交通学院 | Electronic brake for braking by utilizing kinetic energy of vehicles |
| CA2911064A1 (en) * | 2014-11-14 | 2016-05-14 | Toyota Jidosha Kabushiki Kaisha | Braking force control system, vehicle and method of controlling braking force |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111645648A (en) * | 2020-06-19 | 2020-09-11 | 厦门金龙联合汽车工业有限公司 | Method for adjusting sensitivity of brake pedal by using electronic mechanical brake mechanism |
| CN111645648B (en) * | 2020-06-19 | 2021-05-07 | 厦门金龙联合汽车工业有限公司 | Method for adjusting sensitivity of brake pedal by using electronic mechanical brake mechanism |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190305 |
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