CN208344203U - A kind of brake power recovering device - Google Patents

A kind of brake power recovering device Download PDF

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Publication number
CN208344203U
CN208344203U CN201820781205.1U CN201820781205U CN208344203U CN 208344203 U CN208344203 U CN 208344203U CN 201820781205 U CN201820781205 U CN 201820781205U CN 208344203 U CN208344203 U CN 208344203U
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China
Prior art keywords
mouth
brake
electromagnetic valve
front wheel
simulator
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Expired - Fee Related
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CN201820781205.1U
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Chinese (zh)
Inventor
初亮
许炎武
朱鹏昊
姜雲崧
王引航
于鑫洋
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Jilin University
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Jilin University
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Abstract

The utility model discloses a kind of brake power recovering device, the ability that existing product is had exceeded to the performance requirement of hydraulic regulation unit to overcome the prior art to exist, and structure is complicated, control difficulty is big, pedal sense and the inconsistent problem of conventional truck.It includes brake operating mechanism, brake pedal travel simulator and hydraulic regulation unit;The ante-chamber liquid outlet A of master cylinder is connect with the inlet D brake piping of hydraulic regulation unit in brake operating mechanism, the back cavity liquid outlet B of master cylinder is connect with the inlet E brake piping of hydraulic regulation unit in brake operating mechanism, and the interface C of brake pedal travel simulator 8 is connect with the inlet D brake piping of hydraulic regulation unit.

Description

A kind of brake power recovering device
Technical field
The utility model relates to a kind of hybrid vehicle and the brake energy recovering systems of pure electric vehicle, more precisely It says, the utility model relates to a kind of brake power recovering devices.
Background technique
Under the background of global non-renewable energy resources worsening shortages, traveling of all big enterprises all in order to improve new-energy automobile Mileage is proposed Brake energy recovery technology with energy consumption is reduced.Brake energy recovery is hybrid vehicle and pure electric automobile Realize the important channel of energy-saving and emission-reduction.It needs to guarantee braking safety in braking process, guarantees pedal sense, it is reasonable to distribute Brake force accurately controls brake force.Existing braking system is unable to satisfy these demands, so it is necessary to original Braking system on improved, realize process of regenerative braking in brake force coordination function and pedal sense analog functuion.
Have following patent application related to the utility model through retrieval:
One, Chinese patent notification number is CN201856653U, day for announcing 2011.06.08, entitled " automobile regeneration Braking system and brake fluid system cooperative control device ", application No. is 201020564251.X.The coordination control of invention design Device processed includes braking mode switch controller, operating mode switching valve and hydraulic pressure of pipe line simulator, ABS hydraulic regulation unit Deng.In braking process, brake oil flow is controlled by control operating mode switching valve and realizes Brake energy recovery.The invention It is disadvantageous in that, it can not can only be in small intensity to wheel cylinder active boost, hydraulic pressure of pipe line simulator using ABS hydraulic regulation unit Under braking condition, the feeling of pedal feedback is simulated, stores a certain amount of brake fluid.Under the braking condition of big intensity, it can only adopt With conventional hydraulic braking mode, energy regenerating ability is limited.
Two, Chinese patent notification numbers are CN103241228A, day for announcing 2013.08.14, entitled " with stepping on The brake energy recovering system and its control method of plate stroke simulator ".Application No. is 201310147745.6, the disclosure of the invention A kind of brake energy recovering system and its control method with pedal travel simulator, it is intended to overcome electronic and pure electric vehicle Pedal sense and conventional truck inconsistent problem when brake energy recovering system recovers energy.The shortcoming of the invention exists In needing the solenoid valve that controls more, control difficulty is big, and under different motor braking abilities, when reaching identical braking deceleration Pedal sense is inconsistent.The invention is pressurized wheel cylinder using electrical machinery hydraulic pump in hydraulic regulation unit, to electrical machinery hydraulic pump Performance requirement it is excessively high, the self-ability beyond hydraulic regulation unit.
Utility model content
Technical problem to be solved in the utility model is to overcome the prior art in the presence of the performance to hydraulic regulation unit It is required that have exceeded the ability of existing product, and structure is complicated, control difficulty is big, pedal sense with conventional truck is inconsistent asks Topic, provides a kind of brake power recovering device.
In order to solve the above technical problems, the utility model adopts the following technical scheme that realization: a kind of braking Energy recycle device includes brake operating mechanism, brake pedal travel simulator and hydraulic regulation unit;
The brake operating mechanism includes master cylinder;
The ante-chamber liquid outlet A of the master cylinder is connect with the inlet D brake piping of hydraulic regulation unit, braking master The back cavity liquid outlet B of cylinder is connect with the inlet E brake piping of hydraulic regulation unit, the interface C of brake pedal travel simulator It is connect with the inlet D brake piping of hydraulic regulation unit.
Brake operating mechanism described in technical solution further include brake pedal, pedal displacement sensor, vacuum booster, Fluid reservoir, electric vacuum pump;The brake pedal is mounted on driver's lower front in compartment, rotating part in brake pedal Top be fixed on pedal support by pin shaft, pedal support is bolted on vehicle body, rotating part in brake pedal The right side of vacuum booster front end mandril in the middle-end left side divided and vacuum booster connects, pedal displacement sensing Device is fixed on the pedal support connecting with vehicle body, and the rotating part in the lever arm and brake pedal of pedal displacement sensor connects It connects, vacuum booster is fixed on vehicle body by ring flange, and electric vacuum pump is mounted in enging cabin, the p of electric vacuum pump Mouth is connected using the vacuum port of vacuum hose and vacuum booster, and a mouth of electric vacuum pump is connect with atmosphere, and fluid reservoir is mounted on The ante-chamber inlet of pipeline and master cylinder is respectively adopted with after in the top of master cylinder, the liquid outlet f and liquid outlet r of fluid reservoir The connection of chamber inlet.
Brake pedal travel simulator described in technical solution includes electric machine controller, motor, first bearing, the sun Wheel, partition, second bearing, rubber block, second piston, first piston spring, first piston spring base, simulator cylinder body, master cylinder Pressure sensor, simulator liquid inlet electromagnetic valve, simulator check valve, first piston, screw rod mandril, second piston spring, planet Gear shaft stop collar, planet carrier, planetary gear shaft, planetary gear bearing, planetary gear, gear ring, rear cover;
The electric machine controller is bolted at the left end circular hole of rear cover, and motor is mounted on electric machine controller On right side, the output end electric wire of motor and electric machine controller is connected, and first bearing is sleeved on the output shaft of motor, The right end face contact of left end and motor, motor are connected by flat key with sun gear, and gear ring is fixed on the major diameter of rear cover In circular hole, the inner ring of gear ring is engaged with planetary gear, and planetary gear and planetary gear bearing are successively sleeved in planetary gear shaft, Planetary gear engages connection with sun gear, and planet carrier is sleeved in planetary gear shaft, and planetary gear shaft stop collar is mounted on planet In gear shaft right end circular groove, screw rod mandril is mounted in the central through hole of planet carrier to roll connection, and partition and rear cover are logical Rivet interlacement is crossed, the right end of screw rod mandril passes through the central through hole of partition, and second bearing is sleeved on the cylindrical boss of planet carrier On, the right end of second bearing is contacted with the left end of partition, and first piston and second piston are mounted in succession in simulator cylinder body Between hole with to be slidably connected, first piston spring base is welded at the center of first piston in left hole, first piston spring and Second piston spring is respectively arranged in the left end shaft of first piston spring base and second piston, the right side of rubber block and second The left side of piston is connected by heat adhesive, and simulator cylinder body is bolted with partition, rubber block and second piston set Mounted in screw rod mandril right end, the right ports of a mouth of simulator liquid inlet electromagnetic valve, the p mouth and simulator cylinder body of simulator check valve The connection of K2 fluid pressure line, master cylinder pressure sensor and the p mouth of simulator liquid inlet electromagnetic valve, a oral fluid pressure pipe of simulator check valve Road connection.
Planet carrier described in technical solution is regular triangular prism class formation part, is provided with circular cylindrical projection at triangle center Platform, the boss center of circle are overlapped with triangle center, and boss the center point is machined with central through hole, are arranged on the inner cylinder face of central through hole There is the raceway of installation ball, there are three slotted holes, three vertex of planet carrier to be also machined with for processing on the outside of cylindrical boss The identical circular through hole of three diameters, the round heart of the distribution of circular through hole are overlapped with triangle center, three apex angles of planet carrier Also round corner treatment is done.
Simulator cylinder body described in technical solution is cylindrical parts structural member, and left end right end is open, in left end nozzle External cylindrical surface on be provided with ring flange for installation, uniformly distributed on ring flange there are four bolts hole, along simulator cylinder body Axis is machined with the stepped hole of three-stage cylinder, and the diameter of three-stage stepped hole from left to right successively successively decreases, wherein right ports K2 is the disengaging oilhole of simulator cylinder body, and is processed into internal thread hole, and the cylindrical wall of left hole is also machined with venthole K1, is used to With external aeration, three-stage cylindrical stepped holes are connected with each other logical and rotation conllinear.
Hydraulic regulation unit described in technical solution includes that the near front wheel liquid inlet electromagnetic valve, the near front wheel check valve, front axle are low Press accumulator, the near front wheel liquid outlet electromagnetic valve, the near front wheel pressure sensor, front axle oil return plunger pump, off-front wheel check valve, off-front wheel Liquid inlet electromagnetic valve, off-front wheel liquid outlet electromagnetic valve, off-front wheel pressure sensor, oil return motor, left rear wheel check valve, left rear wheel feed liquor Solenoid valve, left rear wheel pressure sensor, left rear wheel liquid outlet electromagnetic valve, rear axle low pressure accumulator, rear axle oil return plunger pump, off hind wheel Pressure sensor, off hind wheel liquid outlet electromagnetic valve, off hind wheel check valve, off hind wheel liquid inlet electromagnetic valve;
The p mouth of the near front wheel liquid inlet electromagnetic valve, a mouth of the near front wheel check valve, the p mouth of off-front wheel liquid inlet electromagnetic valve, The a mouth of off-front wheel check valve is connected with a mouth of front axle oil return plunger pump together, a mouth, the near front wheel list of the near front wheel liquid inlet electromagnetic valve It is connected together with p mouth from a of the near front wheel liquid outlet electromagnetic valve mouth to valve, the near front wheel pressure sensor, off-front wheel liquid inlet electromagnetic valve A mouth, off-front wheel check valve p mouth, off-front wheel pressure sensor be connected together with a of off-front wheel liquid outlet electromagnetic valve mouth, it is left front Take turns the p mouth of liquid outlet electromagnetic valve, the p mouth of off-front wheel liquid outlet electromagnetic valve, front axle low pressure accumulator (passing through check valve) together and front axle The p mouth of oil return plunger pump is connected, a mouth, the off hind wheel liquid inlet electromagnetic valve of the p mouth of left rear wheel liquid inlet electromagnetic valve, left rear wheel check valve P mouth, off hind wheel check valve a mouth be connected together with a mouth of rear axle oil return plunger pump, it is a mouth of left rear wheel liquid inlet electromagnetic valve, left P mouth, the left rear wheel pressure sensor of rear-wheel check valve are connected with a of left rear wheel liquid outlet electromagnetic valve together, off hind wheel feed liquor electromagnetism The a mouth of valve, the p mouth of off hind wheel check valve, off hind wheel pressure sensor are connected with a of off hind wheel liquid outlet electromagnetic valve mouth together, left The p mouth of rear-wheel liquid outlet electromagnetic valve, the p mouth of off hind wheel liquid outlet electromagnetic valve, rear axle low pressure accumulator (passing through check valve) together with it is rear The p mouth of axis oil return plunger pump is connected, and two output ends of oil return motor use shaft coupling and front axle oil return plunger pump, rear axle oil return column Plug pump is respectively connected with.
Compared with prior art the beneficial effects of the utility model are:
1. a kind of brake power recovering device hardware configuration described in the utility model is simple, it is hydraulic to have ABS in tradition It only needs to install brake pedal travel simulator additional on the basis of unit motor vehicle braking system.And in the Brake energy recovery course of work A small amount of solenoid valve and brake pedal travel simulator need to be only controlled, control difficulty is low.
2. the brake pedal travel simulator in a kind of brake power recovering device described in the utility model is integrated with increasing Function and pedal sense analog functuion are pressed, the deficiency that conventional hydraulic adjusts cell pressure regulating power is compensated for.Braking is stepped on simultaneously Plate stroke simulator uses planetary gear coaxial gear set, and the mechanism input and output shaft is coaxial, and movement is steady, bearing capacity Greatly, anti shock and vibration ability is strong, long working life.Compact using planetary gear transmission mechanism simultaneously, space utilization rate is high, can be big The quality and volume of amplitude diminution brake pedal travel simulator.
3. a kind of brake power recovering device described in the utility model passes through real-time control brake pedal travel simulator, It can make master cylinder pressure accurate fit orthodox car pedal displacement-master cylinder pressure relation curve, accurate simulation traditional braking pedal Feel, driver will not generate sense of discomfort in driving procedure.
4. a kind of brake power recovering device described in the utility model may be mounted at hybrid vehicle and electronic vapour It in the braking system of vehicle, is adjusted by accurate brake pressure, hydraulic braking can be allowed preferably to cooperate with motor braking, it is maximum The ability of the performance motor regenerative braking of degree, be substantially improved hybrid vehicle and electric car through property.
Detailed description of the invention
The utility model will be further described below with reference to the accompanying drawings:
Fig. 1 is a kind of schematic diagram of brake power recovering device structure composition described in the utility model;
Fig. 2 is the brake pedal travel simulator structure group in a kind of brake power recovering device described in the utility model At schematic diagram;
Fig. 3 is the planet tooth of brake pedal travel simulator in a kind of brake power recovering device described in the utility model The main view of wheel drive mechanism;
Fig. 4 is showing for the hydraulic regulation cellular construction composition in a kind of brake power recovering device described in the utility model It is intended to;
In figure: 1. brake operating mechanisms, 2. brake pedals, 3. pedal displacement sensors, 4. vacuum boosters, 5. liquid storages Tank, 6. electric vacuum pumps, 7. master cylinders, 8. brake pedal travel simulators, 9. hydraulic regulation units, 10. the near front wheels, 11. Off-front wheel, 12. left rear wheels, 13. off hind wheels, 14. brake monitors, 15. entire car controllers, 16. driving motors, 17. motor controls Device processed, 18. motor, 19. first bearings, 20. flat keys, 21. sun gears, 22. partitions, 23. rear cover connection rivets, 24. second Bearing, 25. balls, 26. spring washers, 27. rubber blocks, 28. second pistons, 29. first piston springs, 30. first piston bullets Spring abutment, 31. simulator cylinder bodies, 32. master cylinder pressure sensors, 33. simulator liquid inlet electromagnetic valves, 34. simulator check valves, 35. First piston, 36. first piston sealing rings, 37. screw rod mandrils, 38. second piston sealing rings, 39. second piston springs, 40. Partition connection bolt, 41. planetary gear shaft stop collars, 42. planet carriers, 43. planetary gear shafts, 44. planetary gear bearings, 45. Planetary gear, 46. gear rings, 47. rear covers, 48. rear covers connection bolt, 49. the near front wheel liquid inlet electromagnetic valves, 50. the near front wheel check valves, 51. front axle low pressure accumulator, 52. the near front wheel liquid outlet electromagnetic valves, 53. the near front wheel pressure sensors, 54. front axle oil return plunger pumps, 55. off-front wheel check valve, 56. off-front wheel liquid inlet electromagnetic valves, 57. off-front wheel liquid outlet electromagnetic valves, 58. off-front wheel pressure sensors, 59. oil return motor, 60. left rear wheel check valves, 61. left rear wheel liquid inlet electromagnetic valves, 62. left rear wheel pressure sensors, 63. left rear wheels Liquid outlet electromagnetic valve, 64. rear axle low pressure accumulators, 65. rear axle oil return plunger pumps, 66. off hind wheel pressure sensors, 67. off hind wheels Liquid outlet electromagnetic valve, 68. off hind wheel check valves, 69. off hind wheel liquid inlet electromagnetic valves.
Specific embodiment
The utility model is explained in detail with reference to the accompanying drawing:
A kind of brake power recovering device described in the utility model includes brake operating mechanism 1, brake-pedal travel mould Quasi- device 8 and hydraulic regulation unit 9.
Refering to fig. 1, the brake operating mechanism 1 include brake pedal 2, pedal displacement sensor 3, vacuum booster 4, Fluid reservoir 5, electric vacuum pump 6 and master cylinder 7.
The brake pedal 2 includes rotating part and pedal support, and rotating part passes through the pin axis through hole on its top simultaneously Be mounted on pedal support using pin shaft, between rotating part and pedal support for rotation connection, pedal support using bolt with Vehicle body is fixed, and brake pedal 2 is amplified using the pedal force that lever principle manipulates operator brake, and can reflect driver's Braking intention.
The pedal displacement sensor 3 using ASM company of Germany CLM series stay-supported type displacement sensor, using stepping on Lever arm on plate displacement sensor 3 can measure the angular displacement of brake pedal 2, and angular displacement is fed back to brake monitor 14, the pedal displacement information of driver is obtained when for Recovering Waste Energy of Braking in Automobiles.
The input terminal of the vacuum booster 4 is the front end mandril of vacuum booster, and output end is and master cylinder 7 Brake pedal 2, the input of 4 front end mandril of vacuum booster is acted on using negative pressure by the output push rod that piston push rod connects Power amplification is exported by exporting push rod, increases the active force that driver acts on braking system.
The fluid reservoir 5 generally uses rigid plastics material, and there are two liquid outlets, respectively liquid outlet f, liquid outlet altogether R, liquid outlet f, liquid outlet r are arranged in 5 bottom of fluid reservoir, and fluid reservoir 5 is for storing brake fluid and detecting brake fluid surplus.
The electric vacuum pump 6 selects piston type, is powered using vehicle power supply 12V, is started for simulating former vehicle The negative pressure source of machine air inlet pipe.
The master cylinder 7 uses tandem bicavate, and there are two can generate high compacting to 7 inside of master cylinder independently of one another The chamber of hydrodynamic, two chambers arrange that the mechanical inputs of master cylinder 7 are piston push rod, and hydraulic output is ante-chamber at tandem The mechanical energy that driver pedal inputs can be converted into hydraulic energy by liquid outlet A, back cavity liquid outlet B.
The position of specific component and connection type: brake pedal 2 is located at driver's lower front in compartment, passes through driver Right crus of diaphragm manipulation, the top of 2 rotating part of brake pedal are fixed on pedal support by pin shaft, and pedal support is bolted On vehicle body, the right side of the vacuum booster front end mandril in the middle-end left side and vacuum booster 4 of 2 rotating part of brake pedal End face connects.Pedal displacement sensor 3 is fixed on the pedal support connecting with vehicle body, the work of pedal displacement sensor 3 Swing arm is connect with the rotating part of brake pedal 2.The vacuum booster 4 is located in enging cabin, is fixed by ring flange In on vehicle body, output will be withstood on the piston push rod of master cylinder 7 by the output push rod of vacuum booster 4.It is described electronic Vacuum pump 6 is located in enging cabin, and the p mouth of electric vacuum pump 6 is connected using vacuum hose with the vacuum port of vacuum booster 4, The a mouth of electric vacuum pump 6 is directly connected with atmosphere via vacuum hose.The master cylinder 7 is located at the vacuum in enging cabin The left side of booster 4, the ante-chamber liquid outlet A of master cylinder 7 and the interface C of brake pedal travel simulator 8 use brake piping Connection, the back cavity liquid outlet B and hydraulic regulation unit 9 of master cylinder 7 carry out brake piping connection.Fluid reservoir 5 is integrated in braking The top of master cylinder 7, the liquid outlet of fluid reservoir 5 altogether there are two, liquid outlet f and liquid outlet r pass through pipeline and master cylinder 7 respectively Ante-chamber is connected with back cavity.
Referring to Fig.2, the brake pedal travel simulator 8 includes electric machine controller 17, motor 18, first bearing 19, flat key 20, sun gear 21, partition 22, rear cover connection rivet 23, second bearing 24, ball 25, spring washer 26, rubber block 27, second piston 28, first piston spring 29, first piston spring base 30, simulator cylinder body 31, master cylinder pressure sensor 32, Simulator liquid inlet electromagnetic valve 33, simulator check valve 34, first piston 35, first piston sealing ring 36, screw rod mandril 37, second Piston seal 38, second piston spring 39, partition connect bolt 40, planetary gear shaft stop collar 41, planet carrier 42, planet tooth Wheel shaft 43, planetary gear bearing 44, planetary gear 45, gear ring 46, rear cover 47, rear cover connect bolt 48.
Specific specification and function are as follows: the brake pedal travel simulator 8 primarily serves active boost and simulation The effect of pedal sense.
The rear cover 47 is stepped cylindrical parts structural member, left end closing, right-end openings, there are four the processing of left end Uniformly distributed bolt hole, is provided with the ring flange for installation on the external cylindrical surface of right end nozzle, and uniformly distributed on ring flange there are six rivetings Nail hole;Stepped hole is machined on the central axes of rear cover 47, left end is installation electric machine controller 17, motor 18 and first bearing 19 minor diameter circular hole, right end are the major diameter round hole for installing gear ring 46, and two circular holes interconnect and rotating shaft is conllinear.
The motor 18 uses brushed DC permanent magnet motor, and output end is machined with flat key keyway, motor 18 It is the power source of simulator active boost.
The flat key 20 uses common A type flat key, can be by the torque transfer of motor 18 to sun gear by flat key 20 21。
The sun gear 21, planetary gear 45, gear ring 46 are all made of straight spur gear, and wherein sun gear 21 is machined with The centre bore matched with the output shaft of motor 18 is machined with flat key keyway in centre bore, and it is electronic that sun gear 21 plays transmitting The effect of 18 output torque of machine;Stepped hole is machined on the central axes of planetary gear 45, wherein left end minor diameter circular hole and planet Gear shaft 43 matches, and right end major diameter round hole is for installing planetary gear bearing 44;
The planetary gear shaft 43 is multi-diameter shaft, and the diameter of axle is gradually reduced from left to right, and wherein major diameter axis in left end acts on For the axial displacement of restrictions planetary gear 45, jackshaft is matched with planetary gear 45 and planetary gear bearing 44, and right end is small straight Journal axle is matched with planet carrier 42, and is machined with the circular groove for installing planetary gear shaft stop collar 41.
The planetary gear bearing 44 uses needle bearing, and it acts as the radial forces for bearing planetary gear 45.
Refering to Fig. 3, the planet carrier 42 is regular triangular prism class formation part, is provided with circular cylindrical projection at triangle center Platform, the boss center of circle are overlapped with triangle center, and boss the center point is machined with central through hole, are arranged on the inner cylinder face of central through hole There is the raceway of installation ball 25;In order to reduce the rotary inertia of planet carrier 42, there are three oval for processing on the outside of cylindrical boss Hole;Three vertex of planet carrier 42 are also processed there are three the identical circular through hole of diameter, the round heart of the distribution of circular through hole with Triangle center is overlapped, and three apex angles of planet carrier also do round corner treatment.
The planetary gear shaft stop collar 41 is annular structure part, using aluminum alloy materials, in order to facilitate the installation of, circle It is processed on ring jagged.The effect of planetary gear shaft stop collar 41 is the axial displacement of limitation planet carrier 42.
The screw rod mandril 37 is formed by two sections, and left section is to match with the central through hole of planet carrier 42 and ball 25 The screw rod for being provided with spiral rolling track;The right section of cylindrical slide bar smooth for surface.Screw rod mandril 37 is played planet carrier 42 Rotary motion is converted into the effect of linear motion.
The first bearing 19 and second bearing 24 is all made of deep groove ball bearing, and wherein first bearing 19 can be born electronic The radial forces of 18 output end of machine, at the same can also restrictions planetary gear 45 and sun gear 21 axial displacement;Second bearing 24 Main function is the axial displacement for limiting planet carrier 42.
The partition 22 is disc-like structural member, and the center is machined with central through hole, also adds in the plane of partition 22 Work is there are six uniformly distributed rivet hole, four uniformly distributed bolts hole, rivet pore size distribution is round and bolthole circle with the concentric cloth of partition 22 It sets.
The rear cover connection rivet 23 uses snap rivet, acts on as connection rear cover 47 and partition 22.
The rear cover connection bolt 48 connects bolt 40 with partition and is all made of common closely-pitched hex bolts, for fixed electricity Machine controller 17 and simulator cylinder body 31.
The simulator cylinder body 31 is cylindrical parts structural member, and left end right end is open, the outside cylinder of nozzle in left end It is provided with the ring flange for installation on face, uniformly distributed on ring flange there are four bolts hole;Central axes along simulator cylinder body 31 add Work has the stepped hole of three-stage cylinder, and the diameter of three-stage stepped hole from left to right successively successively decreases, and wherein right ports K2 is mould The disengaging oilhole of quasi- device cylinder body 31, and it is processed into internal thread hole, interstitial hole is used to install first piston 35, and left hole is used to install Second piston 28, the cylindrical wall of left hole are also machined with venthole K1, are used to and external aeration.Three-stage cylindrical stepped holes that This is connected and rotation conllinear.
The first piston spring 29 uses cylindrically coiled spring, and rigidity is smaller, and main analog small intensity brakes hour wheel Cylinder pressure volume characteristic.
The second piston spring 39 uses cylindrically coiled spring, and rigidity is larger, and the big intensity of main analog brakes hour wheel Cylinder pressure volume characteristic.
The rubber block 27 is cylindrical rubber material, and center is equipped with circular through hole, and rubber block 27 is used for second piston 28 buffer shock-absorbing.
The first piston spring base 30 is cylindrical structure part, for installing fixed first piston spring 29.
The first piston sealing ring 36, second piston sealing ring 38 are O-ring seals, for the close of brake fluid Envelope.
The first piston 35 is cylindrical disc class formation part, is machined with and is used on the cylindrical surface on 35 periphery of first piston Place the annular groove of sealing ring.
The second piston 28 is two-part multi-diameter shaft, and the right end diameter of axle is larger, processes on the cylindrical surface of right end axis useful In the annular groove for placing sealing ring, the left end diameter of axle is smaller, for installing second piston spring 39.Add along multi-diameter shaft centre of gyration line Work has circular through hole, and through-hole diameter is slightly larger than the slide bar diameter of screw rod mandril 37.
The active pressure sensor for the model 303 that the master cylinder pressure sensor 32 is produced using BOSCH company, It needs to input the supply voltage of 5V, the pressure of master cylinder 7 can be measured.
The simulator liquid inlet electromagnetic valve 33 is bi-bit bi-pass normally closed solenoid valve, and the double of brake fluid may be implemented in when energization To flowing, for controlling the on-off of master cylinder 7 and brake pedal travel simulator 8.
The simulator check valve 34 uses straight check valve, and positive cracking pressure is 0.04MPa, and simulator is unidirectional Valve 34 is used to control brake oil flow, is only capable of that brake fluid is made to flow to a mouthfuls from the p mouth of simulator check valve 34, and cannot make to brake Liquid reflux.
The position of specific component and connection type are as follows: after electric machine controller 17 is fixed on by four rear covers connection bolts 48 At the left end minor diameter circular hole of lid 47, motor 18 is mounted on the right side of 17 shell of electric machine controller, and motor 18 connects Line end is connected on drive output of electric machine controller 17.First bearing 19 is sleeved on the output shaft of motor 18, The right end face contact of left end and motor 18, first bearing 19 and the output between centers of motor 18 are gap-matched.Motor 18 output shaft is connected by flat key 20 with sun gear 21, and the two uses transition fit, and sun gear 21 is defeated with motor 18 Shaft revolution is conllinear.Gear ring 46 is fixed in the major diameter round hole of rear cover 47, and inner ring is uniformly arranged there are three planetary gear 45, The two is engaged by gear and is connected.Planetary gear 45 and planetary gear bearing 44 are successively sleeved in planetary gear shaft 43, planet It is clearance fit between gear shaft 43 and planetary gear 45 and planetary gear bearing 44.Planetary gear 45 and sun gear 21 pass through tooth Wheel engagement connection, planet carrier 42 are finally sleeved in planetary gear shaft 43, and gap is used between planet carrier 42 and planetary gear shaft 43 Cooperation.Planetary gear shaft stop collar 41 is mounted in 43 right end circular groove of planetary gear shaft, planetary gear mechanism is linked to be One.Screw rod mandril 37 is mounted in the central through hole of planet carrier 42, and spring washer 26 is sleeved on 37 left sections of screw rods of screw rod mandril Place, 26 left end of spring washer are in contact with the boss right end of planet carrier 42, in the central through hole and screw rod mandril 37 of planet carrier 42 Screw rod between ball 25 is housed, screw rod mandril 37 is driven by ball 25, ball can be in the central through hole by planet carrier 42 Circulation raceway (being not drawn on figure) recycled.Partition 22 is connected with rear cover 47 by six rear cover connection rivets 23, silk The post portion of bar mandril 37 passes through the central through hole of partition 22, and has certain interval between central through hole.24 sets of second bearing On the cylindrical boss of planet carrier 42, the two is gap-matched, and the left end of the right end and partition 22 of second bearing 24 connects The axially position of planet carrier 42 is realized in touching.First piston sealing ring 36, second piston sealing ring 38 are respectively fitted over first piston 35, in the annular groove of second piston 28, first piston 35 is mounted on the interstitial hole of simulator cylinder body 31 with second piston 28 in succession In left hole, to be slidably connected;First piston spring base 30 is welded at the center of first piston 35;First piston spring 29 It is respectively arranged in second piston spring 39 in the left end shaft of first piston spring base 30 and second piston 28, first piston spring 29 left side is in contact with the right side of second piston 28, the right side of first piston spring 29 and the left end of first piston 35 Face is in contact, and the left side of second piston spring 39 is in contact with the right side of partition 22, the right side of second piston spring 39 It is in contact with the left side of 28 major diameter axis of second piston;The right side of rubber block 27 and the left side of second piston 28 pass through heat Adhesive connection.Simulator cylinder body 31 connect bolt 40 by four partitions with partition 22 and is connected, and rubber block 27 and second is lived Plug 28 is sleeved on the post portion of screw rod mandril 37, the slide bar of screw rod mandril 37 and the interstitial hole of second piston 28 and rubber block 27 Between there are gaps.Wherein: electric machine controller 17, the output shaft of motor 18, first bearing 19, sun gear 21, partition 22, second Bearing 24, spring washer 25, screw rod mandril 37, planet carrier 42, gear ring 46, rear cover 47, rubber block 27, second piston 28, first The rotation conllinear of piston spring seat 30, simulator cylinder body 31, first piston 35;Planetary gear shaft 43, planetary gear bearing 44, the axis of rotation of planetary gear 45 is parallel with rear cover 47, partition 22, the axis of rotation of simulator cylinder body 31.Simulator feed liquor A mouth, the p mouth of simulator check valve 34 of solenoid valve 33 are connect with the right ports K2 fluid pressure line of simulator cylinder body 31, master cylinder pressure Force snesor 32 is connect with a mouth fluid pressure line of the p of simulator liquid inlet electromagnetic valve 33 mouth, simulator check valve 34.
Refering to Fig. 4, the hydraulic regulation unit 9 includes the near front wheel liquid inlet electromagnetic valve 49, the near front wheel check valve 50, front axle Low pressure accumulator 51, the near front wheel liquid outlet electromagnetic valve 52, the near front wheel pressure sensor 53, front axle oil return plunger pump 54, off-front wheel list To valve 55, off-front wheel liquid inlet electromagnetic valve 56, off-front wheel liquid outlet electromagnetic valve 57, off-front wheel pressure sensor 58, oil return motor 59, a left side Rear-wheel check valve 60, left rear wheel liquid inlet electromagnetic valve 61, left rear wheel pressure sensor 62, left rear wheel liquid outlet electromagnetic valve 63, rear axle are low Press accumulator 64, rear axle oil return plunger pump 65, off hind wheel pressure sensor 66, off hind wheel liquid outlet electromagnetic valve 67, off hind wheel unidirectional Valve 68, off hind wheel liquid inlet electromagnetic valve 69.
Specific specification and function are as follows: the hydraulic regulation unit 9 uses 9.0 editions ABS products of BOSCH company, tool There is the function of adjusting pressure of wheel cylinder.
The near front wheel liquid inlet electromagnetic valve 49, off-front wheel liquid inlet electromagnetic valve 56, left rear wheel liquid inlet electromagnetic valve 61, off hind wheel Liquid inlet electromagnetic valve 69 is bi-bit bi-pass normally open type magnetic valve, controls the near front wheel 10, off-front wheel 11, left rear wheel 12, off hind wheel respectively 13 pressurization.
The near front wheel liquid outlet electromagnetic valve 52, off-front wheel liquid outlet electromagnetic valve 57, left rear wheel liquid outlet electromagnetic valve 63, off hind wheel Liquid outlet electromagnetic valve 67 is bi-bit bi-pass normally closed solenoid valve, controls the near front wheel 10, off-front wheel 11, left rear wheel 12, off hind wheel respectively 13 decompression.
The near front wheel check valve 50, off-front wheel check valve 55, left rear wheel check valve 60, off hind wheel check valve 68 provide The flow direction of brake fluid is only capable of one way flow.
The near front wheel pressure sensor 53, off-front wheel pressure sensor 58, left rear wheel pressure sensor 62, off hind wheel Pressure sensor 66 needs to input the power supply electricity of 5V using the active pressure sensor of the model 303 of BOSCH company production Pressure, for measuring a pressure of wheel braking cylinder.
The front axle low pressure accumulator 51, rear axle low pressure accumulator 64 can be used for storing the brake fluid of decompression process.
The front axle oil return plunger pump 54, rear axle oil return plunger pump 65 can pass through oil return motor 59 and vehicle decompression process Cooperation, realizes the fast decompression of pressure of wheel braking cylinder.
The position of specific component and connection type are as follows: the p mouth of the near front wheel liquid inlet electromagnetic valve 49, a of the near front wheel check valve 50 Mouthful, the p mouth of off-front wheel liquid inlet electromagnetic valve 56, off-front wheel check valve 55 a mouth together with a mouth phase of front axle oil return plunger pump 54 Even.The a mouth of the near front wheel liquid inlet electromagnetic valve 49, the 50 p mouth of the near front wheel check valve, the near front wheel pressure sensor 53 together with it is left front The a mouth for taking turns liquid outlet electromagnetic valve 52 is connected.A mouth, the p mouth of off-front wheel check valve 55, off-front wheel pressure of off-front wheel liquid inlet electromagnetic valve 56 Force snesor 58 is connected with a of off-front wheel liquid outlet electromagnetic valve 57 mouth together.P mouth, the off-front wheel of the near front wheel liquid outlet electromagnetic valve 52 go out P mouth, the front axle low pressure accumulator 51 (passing through check valve) of liquid electromagnetic valve 57 are connected with the p mouth of front axle oil return plunger pump 54 together. The p mouth of left rear wheel liquid inlet electromagnetic valve 61, a mouth of left rear wheel check valve 60, off hind wheel liquid inlet electromagnetic valve 69 p mouth, off hind wheel list It is connected together with a mouth of rear axle oil return plunger pump 65 to a mouth of valve 68.A mouth, the left rear wheel of left rear wheel liquid inlet electromagnetic valve 61 are unidirectional P mouth, the left rear wheel pressure sensor 62 of valve 60 are connected with a of left rear wheel liquid outlet electromagnetic valve 63 together.Off hind wheel liquid inlet electromagnetic valve 69 a mouth, the p mouth of off hind wheel check valve 68, off hind wheel pressure sensor 66 together with a of off hind wheel liquid outlet electromagnetic valve 67 mouth phase Even.The p mouth of left rear wheel liquid outlet electromagnetic valve 63, the p mouth of off hind wheel liquid outlet electromagnetic valve 67, rear axle low pressure accumulator 64 are (by unidirectional Valve) it is connected together with the p mouth of rear axle oil return plunger pump 65.The above connection is fluid pressure line connection.The two of oil return motor 59 are defeated Outlet is respectively connected with using shaft coupling and front axle oil return plunger pump 54, rear axle oil return plunger pump 65.
A kind of brake operating mechanism 1 of brake power recovering device described in the utility model, brake-pedal travel simulation Connection relationship between device 8 and hydraulic regulation unit 9 are as follows: driver directly manipulates brake operating mechanism 1, finally by hydraulic regulation Unit 9 controls wheel and is braked, and between 9 input terminal of 1 output end of brake operating mechanism and hydraulic regulation unit, is mounted in parallel There is brake pedal travel simulator 8.1 output end of brake operating mechanism includes the ante-chamber liquid outlet A and system of master cylinder 7 The back cavity liquid outlet B of dynamic master cylinder 7;The brake pedal travel simulator 8 has external interface C;The hydraulic regulation unit 9 Input terminal include inlet D, inlet E, liquid outlet F, liquid outlet G, liquid outlet H, liquid outlet I.The system of brake operating mechanism 1 The ante-chamber liquid outlet A of dynamic master cylinder 7 is connect with the inlet D brake piping of hydraulic regulation unit 9, the braking of brake operating mechanism 1 The back cavity liquid outlet B of master cylinder 7 is connect with the inlet E brake piping of hydraulic regulation unit 9, brake pedal travel simulator 8 Interface C is connect with the inlet D brake piping of hydraulic regulation unit 9.The liquid outlet F and the near front wheel 10 of hydraulic regulation unit 9 make Dynamic piping connection, the liquid outlet G of hydraulic regulation unit 9 are connect with 11 brake piping of off-front wheel, the liquid outlet of hydraulic regulation unit 9 The connection of 12 brake piping of H left rear wheel, 13 brake piping of the liquid outlet I off hind wheel connection of hydraulic regulation unit 9.
A kind of brake power recovering device described in the utility model adjusts master by brake pedal travel simulator 8 in real time Cylinder pressure makes master cylinder pressure under master cylinder pressure size and the same pedal displacement of orthodox car under each pedal displacement keep one It causes, therefore there is brake pedal feel same as orthodox car.

Claims (6)

1. a kind of brake power recovering device, which is characterized in that a kind of brake power recovering device includes braking maneuver Mechanism (1), brake pedal travel simulator (8) and hydraulic regulation unit (9);
The brake operating mechanism (1) includes master cylinder (7);
The ante-chamber liquid outlet A of the master cylinder (7) is connect with the inlet D brake piping of hydraulic regulation unit (9), braking The back cavity liquid outlet B of master cylinder (7) is connect with the inlet E brake piping of hydraulic regulation unit (9), brake pedal travel simulator (8) interface C is connect with the inlet D brake piping of hydraulic regulation unit (9).
2. a kind of brake power recovering device described in accordance with the claim 1, which is characterized in that the brake operating mechanism It (1) further include brake pedal (2), pedal displacement sensor (3), vacuum booster (4), fluid reservoir (5), electric vacuum pump (6);
The brake pedal (2) is mounted on driver's lower front in compartment, and the top of rotating part is logical in brake pedal (2) It crosses pin shaft to be fixed on pedal support, pedal support is bolted on vehicle body, in brake pedal (2) in rotating part The right side of the vacuum booster front end mandril in left side and vacuum booster (4) is held to connect, pedal displacement sensor (3) it is fixed on the pedal support being connect with vehicle body, the lever arm of pedal displacement sensor (3) and the rotation in brake pedal (2) Transfer part point connection, vacuum booster (4) are fixed on vehicle body by ring flange, and electric vacuum pump (6) is mounted in enging cabin, The p mouth of electric vacuum pump (6) is connect using vacuum hose with the vacuum port of vacuum booster (4), a mouth of electric vacuum pump (6) It is connect with atmosphere, fluid reservoir (5) is mounted on the top of master cylinder (7), and the liquid outlet f and liquid outlet r of fluid reservoir (5) are adopted respectively It is connect with the ante-chamber inlet of pipeline and master cylinder (7) with back cavity inlet.
3. a kind of brake power recovering device described in accordance with the claim 1, which is characterized in that the brake-pedal travel mould Quasi- device (8) include electric machine controller (17), motor (18), first bearing (19), sun gear (21), partition (22), the second axis Hold (24), rubber block (27), second piston (28), first piston spring (29), first piston spring base (30), simulator cylinder body (31), master cylinder pressure sensor (32), simulator liquid inlet electromagnetic valve (33), simulator check valve (34), first piston (35), silk Bar mandril (37), second piston spring (39), planetary gear shaft stop collar (41), planet carrier (42), planetary gear shaft (43), row Star gear-bearing (44), planetary gear (45), gear ring (46), rear cover (47);
The electric machine controller (17) is bolted at the left end circular hole of rear cover (47), and motor (18) is mounted on electricity On machine controller (17) right side, motor (18) is connect with the output end electric wire of electric machine controller (17), first bearing (19) It is sleeved on the output shaft of motor (18), the right end face contact of left end and motor (18), motor (18) passes through flat key It is connected with sun gear (21), gear ring (46) is fixed in the major diameter round hole of rear cover (47), and the inner ring of gear ring (46) is engaged with Planetary gear (45), planetary gear (45) and planetary gear bearing (44) are successively sleeved on planetary gear shaft (43), planet tooth Wheel (45) engages connection with sun gear (21), and planet carrier (42) is sleeved on planetary gear shaft (43), planetary gear shaft stop collar (41) it is mounted in planetary gear shaft (43) right end circular groove, screw rod mandril (37) is mounted on the central through hole of planet carrier (42) Interior to connect to roll, by rivet interlacement, the right end of screw rod mandril (37) passes through partition (22) for partition (22) and rear cover (47) Central through hole, second bearing (24) are sleeved on the cylindrical boss of planet carrier (42), the right end and partition of second bearing (24) (22) left end contact, first piston (35) and second piston (28) successive interstitial hole for being mounted on simulator cylinder body (31) and a left side To be slidably connected in side opening, first piston spring base (30) is welded at the center of first piston (35), first piston spring (29) it is respectively arranged in the left end shaft of first piston spring base (30) and second piston (28) with second piston spring (39), rubber The right side of blob of viscose (27) is connect with the left side of second piston (28) by heat adhesive, simulator cylinder body (31) and partition (22) it is connected by bolt 40, rubber block (27) and second piston (28) are sleeved on screw rod mandril (37) right end, simulator feed liquor A mouth, the p mouth of simulator check valve (34) of solenoid valve (33) are connect with the right ports K2 fluid pressure line of simulator cylinder body (31), The a mouth fluid pressure line of master cylinder pressure sensor (32) and the p mouth of simulator liquid inlet electromagnetic valve (33), simulator check valve (34) connects It connects.
4. a kind of brake power recovering device described in accordance with the claim 3, which is characterized in that the planet carrier (42) is positive Triangular prism class formation part is provided with cylindrical boss at triangle center, and the boss center of circle is overlapped with triangle center, boss circle It is machined with central through hole at the heart, the raceway of installation ball (25) is provided on the inner cylinder face of central through hole, in cylindrical boss There are three slotted hole, three vertex of planet carrier (42) are also processed there are three the identical circular through hole of diameter, round for outside processing The round heart of the distribution of shape through-hole is overlapped with triangle center, and three apex angles of planet carrier also do round corner treatment.
5. a kind of brake power recovering device described in accordance with the claim 3, which is characterized in that the simulator cylinder body (31) For cylindrical parts structural member, left end right end is open, and the ring flange for installation is provided on the external cylindrical surface of left end nozzle, Uniformly distributed on ring flange there are four bolts hole, and the stepped hole of three-stage cylinder is machined with along the central axes of simulator cylinder body (31), The diameter of three-stage stepped hole from left to right successively successively decreases, and wherein right ports K2 is the disengaging oilhole of simulator cylinder body (31), and It is processed into internal thread hole, the cylindrical wall of left hole is also machined with venthole K1, is used to and external aeration, three-stage cylinder ladder Hole is connected with each other logical and rotation conllinear.
6. a kind of brake power recovering device described in accordance with the claim 1, which is characterized in that the hydraulic regulation unit It (9) include that the near front wheel liquid inlet electromagnetic valve (49), the near front wheel check valve (50), front axle low pressure accumulator (51), the near front wheel go out liquid electricity Magnet valve (52), the near front wheel pressure sensor (53), front axle oil return plunger pump (54), off-front wheel check valve (55), off-front wheel feed liquor Solenoid valve (56), off-front wheel liquid outlet electromagnetic valve (57), off-front wheel pressure sensor (58), oil return motor (59), left rear wheel are unidirectional Valve (60), left rear wheel liquid inlet electromagnetic valve (61), left rear wheel pressure sensor (62), left rear wheel liquid outlet electromagnetic valve (63), rear axle are low Press accumulator (64), rear axle oil return plunger pump (65), off hind wheel pressure sensor (66), off hind wheel liquid outlet electromagnetic valve (67), the right side Rear-wheel check valve (68), off hind wheel liquid inlet electromagnetic valve (69);
The p mouth of the near front wheel liquid inlet electromagnetic valve (49), a mouth of the near front wheel check valve (50), off-front wheel liquid inlet electromagnetic valve (56) a mouth of p mouth, off-front wheel check valve (55) is connected with a mouth of front axle oil return plunger pump (54) together, the near front wheel feed liquor electricity The a mouth of magnet valve (49), the p mouth of (50) of the near front wheel check valve, the near front wheel pressure sensor (53) go out liquid electricity with the near front wheel together The a mouth of magnet valve (52) is connected, a mouth, the p mouth of off-front wheel check valve (55), off-front wheel pressure of off-front wheel liquid inlet electromagnetic valve (56) Sensor (58) is connected with a mouth of off-front wheel liquid outlet electromagnetic valve (57) together, the p mouth of the near front wheel liquid outlet electromagnetic valve (52), it is right before Take turns the p mouth of liquid outlet electromagnetic valve (57), front axle low pressure accumulator (51) passes through the check valve p with front axle oil return plunger pump (54) together Mouthful it is connected, the p mouth of left rear wheel liquid inlet electromagnetic valve (61), a mouth of left rear wheel check valve (60), off hind wheel liquid inlet electromagnetic valve (69) P mouthfuls, a mouth of off hind wheel check valve (68) be connected together with a mouth of rear axle oil return plunger pump (65), left rear wheel liquid inlet electromagnetic valve (61) the p mouth of a mouth, left rear wheel check valve (60), left rear wheel pressure sensor (62) together with left rear wheel liquid outlet electromagnetic valve (63) a is connected, p mouth, the off hind wheel pressure sensor of a mouth of off hind wheel liquid inlet electromagnetic valve (69), off hind wheel check valve (68) (66) it is connected together with a mouth of off hind wheel liquid outlet electromagnetic valve (67), p mouth, the off hind wheel of left rear wheel liquid outlet electromagnetic valve (63) go out liquid The p mouth of solenoid valve (67), rear axle low pressure accumulator (64) by check valve together with the p mouth phase of rear axle oil return plunger pump (65) Even, two output ends of oil return motor (59) are using shaft coupling and front axle oil return plunger pump (54), rear axle oil return plunger pump (65) point Xiang Lian not.
CN201820781205.1U 2018-05-24 2018-05-24 A kind of brake power recovering device Expired - Fee Related CN208344203U (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108482346A (en) * 2018-05-24 2018-09-04 吉林大学 A kind of brake power recovering device and its control method
CN114056306A (en) * 2021-11-17 2022-02-18 苏州卡泰汽车科技有限公司 Anti-lock braking system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108482346A (en) * 2018-05-24 2018-09-04 吉林大学 A kind of brake power recovering device and its control method
CN114056306A (en) * 2021-11-17 2022-02-18 苏州卡泰汽车科技有限公司 Anti-lock braking system

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