CN203198947U - Brake control device applied to automobile brake energy recovery - Google Patents

Brake control device applied to automobile brake energy recovery Download PDF

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Publication number
CN203198947U
CN203198947U CN 201320216436 CN201320216436U CN203198947U CN 203198947 U CN203198947 U CN 203198947U CN 201320216436 CN201320216436 CN 201320216436 CN 201320216436 U CN201320216436 U CN 201320216436U CN 203198947 U CN203198947 U CN 203198947U
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electromagnetic valves
mouth
electromagnetic valve
electromagnetic
pipeline
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初亮
蔡健伟
马堃
王彦波
喻中朋
张永生
姚亮
杨毅
张磊
马文涛
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Jilin University
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Jilin University
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Abstract

The utility model discloses a brake control device applied to automobile brake energy recovery. The brake control device aims at resolving the problems of structural complexity, high cost and dependence on foreign countries in the prior art. A mechanical component of the brake control device comprises a brake master cylinder, a liquid storage cup, an overflow valve, a high-pressure energy accumulator, a motor hydraulic pump, a route simulator, first to eleventh electromagnetic valves, and four wheel cylinders. The front cavity of the brake master cylinder and the second electromagnetic valve are connected with the port p of the first electromagnetic valve, the port a of the first electromagnetic valve is connected with the port C of the route simulator, the port a of the second electromagnetic valve and the eighth electromagnetic valve are connected with the port p of the ninth electromagnetic valve, the port a of the eighth electromagnetic valve is connected with the left front wheel cylinder, and the port a of the ninth electromagnetic valve is connected with the right front wheel cylinder. The port a of the second electromagnetic valve and the port a of the fourth electromagnetic valve are connected with the port p of the sixth electromagnetic valve, the port a of the sixth electromagnetic valve is connected with the oil inlet of the motor hydraulic pump, and the port a of the sixth electromagnetic valve and the oil outlet of the overflow valve are connected with the oil inlet of the liquid storage cup. The rear cavity of the brake master cylinder is connected with other electromagnetic valves and wheel cylinders in the same way as the front cavity.

Description

Be applied to the braking force control system of Recovering Waste Energy of Braking in Automobiles
Technical field
The utility model relates to the brake equipment in a kind of brake system of car field, and or rather, the utility model relates to a kind of braking force control system that is applied to Recovering Waste Energy of Braking in Automobiles.
Background technology
New-energy automobile is owing to its good economic performance and can alleviate the oil resources crisis, and its future development potentiality have caused people's great attention, and regenerative braking capability has now become a study hotspot as the key factor that it improves economic performance.Braking energy reclaims and refers to when car deceleration or braking, a part of mechanical energy of automobile is converted into the energy of other form by energy conversion device, and be stored in the closed-center system, produce simultaneously a part of braking force and realize deceleration or the braking of automobile, when automobile again started or accelerates, the energy that energy conversion device will be stored in the energy accumulating device was converted to the needed kinetic energy of running car again.
Research for brake energy recovering system mainly concentrates on abroad, and is domestic less to this research.For the system that researches and develops can be put into production as quickly as possible, the brake energy recovering system that offshore company develops is mostly based on existing hydraulic efficiency governing unit, realize braking energy recovering function by additional device, Chinese patent publication No. such as Nissan Motor is CN102224044A, date of publication is on October 19th, 2011, and denomination of invention is " control method of brake equipment and brake equipment "; The Chinese patent publication No. of Robert Bosch Co., Ltd is CN102501841A, and date of publication is on June 20th, 2012, and denomination of invention is " actuation unit and the method for operation thereof that are used for hydraulic brake system "; Although these systems can realize the function that braking energy reclaims, it all is to increase some mechanisms on the basis of existing hydraulic efficiency governing unit, and is more more complex than existing traditional braking system, and cost is higher.Also there is at present company to abandon existing hydraulic efficiency governing unit, design and be applicable to the brand-new brake system that braking energy reclaims, Chinese patent publication No. such as Toyota Motor Corporation rep. is CN102470833A, date of publication is on May 23rd, 2012, denomination of invention is " braking force control system and brake control method ", the above system architecture of this brake system is compact, but has used more electromagnetic valve, and is still slightly aobvious complicated.
The existing many bases at traditional E SC valve of brake equipment that are applicable to the braking energy recovery increase other parts, although can realize preferably braking energy recovering function, this brake device structure is complicated, and cost is higher; And the domestic not gordian technique of ESC valve on top of, the brake equipment of exploitation still will depend on foreign country on its basis, therefore be necessary to develop a kind of device of own intellectual property, make its amount of parts less, simple in structure, realize pedal sense simulation and pressure adjusting, so not only can realize the function of brake energy recovering system, can also guarantee the reliability of brake energy recovering system.
Summary of the invention
Technical problem to be solved in the utility model is the problem that has overcome that there is complex structure in prior art, cost is higher and depended on foreign country, and a kind of braking force control system that is applied to Recovering Waste Energy of Braking in Automobiles is provided.
For solving the problems of the technologies described above, the utility model is to adopt following technical scheme to realize: the described braking force control system that is applied to Recovering Waste Energy of Braking in Automobiles includes mechanics, and described mechanics includes brake pedal, master brake cylinder, liquid storing cup, by pass valve, high pressure accumulator, electrical machinery hydraulic pump, stroke simulator, an electromagnetic valve, No. two electromagnetic valves, No. three electromagnetic valves, No. four electromagnetic valves, No. five electromagnetic valves, No. six electromagnetic valves, No. seven electromagnetic valves, No. eight electromagnetic valves, No. nine electromagnetic valves, No. ten electromagnetic valves, the ride on Bus No. 11 electromagnetic valve, the near front wheel wheel cylinder, the off front wheel wheel cylinder, left rear wheel wheel cylinder and off hind wheel wheel cylinder.The ante-chamber outlet M of described master brake cylinder is connected with the p mouth pipeline of an electromagnetic valve with the number of being connected electromagnetic valve, the a mouth of an electromagnetic valve is connected with the interface C pipeline of stroke simulator, the a mouth of No. two electromagnetic valves is connected with the p mouth pipeline of No. nine electromagnetic valves with the number of being connected electromagnetic valve, the a mouth of No. eight electromagnetic valves is connected with the near front wheel wheel cylinder pipeline, and a mouth of No. nine electromagnetic valves is connected with off front wheel wheel cylinder pipeline.The a mouth of No. two electromagnetic valves is connected with the p mouth pipeline of No. six electromagnetic valves with a mouth of the number of being connected electromagnetic valve, and a mouth of No. six electromagnetic valves is connected with the oil inlet pipeline of electrical machinery hydraulic pump, and a mouth of No. six electromagnetic valves is connected oil outlet and is connected with the oil inlet pipeline of liquid storing cup with by pass valve.
The back cavity outlet N of master brake cylinder is connected with the p mouth pipeline of No. three electromagnetic valves, the a mouth of No. three electromagnetic valves is connected with the p mouth pipeline of ride on Bus No. 11 electromagnetic valve with the number of being connected electromagnetic valve, the a mouth of No. ten electromagnetic valves is connected with left rear wheel wheel cylinder pipeline, and a mouth of ride on Bus No. 11 electromagnetic valve is connected with the off hind wheel wheel cylinder.The a mouth of No. three electromagnetic valves is connected with the p mouth pipeline of No. seven electromagnetic valves with a mouth of the number of being connected electromagnetic valve, the a mouth of No. seven electromagnetic valves is connected with a mouth pipeline of No. six electromagnetic valves, the oil inlet of by pass valve and the oil outlet of high pressure accumulator are connected the oil outlet pipeline and are connected with electrical machinery hydraulic pump, the oil outlet of high pressure accumulator is connected with the p mouth pipeline of No. five electromagnetic valves with the number of being connected electromagnetic valve.
Compared with prior art the beneficial effects of the utility model are:
1. the braking force control system that is applied to Recovering Waste Energy of Braking in Automobiles described in the utility model has guaranteed can cut off hydraulic tubing between master cylinder and the wheel cylinder from structure braking procedure, so that chaufeur is when stepping on brake pedal, braking liquid in the master cylinder can not flow into brake wheel cylinder, but in the inflow pedal simulator, utilize spring in the pedal simulator and the counter-force drive simulating person brake pedal feel of piston, and brake wheel cylinder supercharging time braking fluid is from high pressure accumulator, braking fluid is directly got back to liquid storing cup during decompression, therefore the fluid in the brake wheel cylinder and master cylinder are irrelevant, and this pedal sense that has guaranteed chaufeur in hydraulic braking force and the motor braking power coordination process does not change.
2. the braking force control system that is applied to Recovering Waste Energy of Braking in Automobiles described in the utility model utilizes high pressure accumulator that wheel cylinder is carried out supercharging, fluid when being the wheel cylinder supercharging in the high pressure accumulator enters brake wheel cylinder, because oil liquid pressure and maximum fluid in the high pressure accumulator are larger by flow, can improve maximum braking force and the rate of pressurization of brake system, strengthen braking effect; During the wheel cylinder decompression, braking liquid in the wheel cylinder flows directly into liquid storing cup by brake piping and valve, because the brake fluid pressure in the liquid storing cup is all the time less, the requirement to maximum decompression rate in the time of can satisfying the wheel cylinder decompression, therefore can cancel the electrical machinery hydraulic pump in the traditional braking system, simplify brake equipment.
3. the braking force control system that is applied to Recovering Waste Energy of Braking in Automobiles described in the utility model adopts antero posterior axis hydraulic pressure independently to control, and variation and the rear axle wheel cylinder of brake fluid pressure are separate in two brake wheel cylinders of front axle, do not interfere with each other.And braking energy reclaims in the course of the work, need to the brake fluid pressure in the antero posterior axis wheel cylinder be controlled respectively according to different braking requirement, so the front and back hydraulic pressure independence control of adopting in the utility model can be satisfied the requirement of braking energy recovering function.The utility model has utilized less electromagnetic valve can guarantee brake energy recovering system to the requirement of hydraulic brake system, and is simple in structure.
4. the braking force control system that is applied to Recovering Waste Energy of Braking in Automobiles described in the utility model can be installed in the brake system of hybrid vehicle and electronlmobil, regulate by accurate brake-pressure, can allow hydraulic braking better cooperate with motor braking, farthest bring into play the ability of motor regenerative brake, significantly promote the economy of hybrid vehicle and electronlmobil.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described:
Fig. 1 is the braking force control system structure composition of Recovering Waste Energy of Braking in Automobiles and the schematic diagram of principle of being applied to described in the utility model;
Fig. 2 is the schematic diagram that is applied to the stroke simulator structural principle that adopts in the braking force control system of Recovering Waste Energy of Braking in Automobiles described in the utility model;
Among the figure: 1. brake pedal; 2. master brake cylinder; 3. liquid storing cup; 4. by pass valve; 5. high pressure accumulator; 6. electrical machinery hydraulic pump; 7. stroke simulator; 8. electromagnetic valve; 9. No. two electromagnetic valves; 10. No. three electromagnetic valves; 11. No. four electromagnetic valves; 12. No. five electromagnetic valves; 13. No. six electromagnetic valves; 14. No. seven electromagnetic valves; 15. No. eight electromagnetic valves; 16. No. nine electromagnetic valves; 17. No. ten electromagnetic valves; 18. ride on Bus No. 11 electromagnetic valve; 19. drive motor; 20. entire car controller; 21. brake controller; 22. pressure sensor; 23. No. two pressure sensors; 24. No. three pressure sensors; 25. No. four pressure sensors; 26. No. five pressure sensors; 27. No. six pressure sensors; 28. No. seven pressure sensors; 29. No. eight pressure sensors; 30. pedal stroke simulator; 31. the near front wheel wheel cylinder; 32. off front wheel wheel cylinder; 33. left rear wheel wheel cylinder; 34. the off hind wheel wheel cylinder, 35. hydraulic cavities, 36. little springs, 37. big springs, 38. end caps, 39. big spring seats, 40. submissile spring abutments, 41. pistons, 42. cylinder bodies.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is explained in detail:
Consult Fig. 1, the braking force control system that is applied to Recovering Waste Energy of Braking in Automobiles described in the utility model includes mechanics and control part.Described mechanics includes brake pedal 1, master brake cylinder 2, liquid storing cup 3, by pass valve 4, high pressure accumulator 5, electrical machinery hydraulic pump 6, stroke simulator 7, electromagnetic valve 8, No. two electromagnetic valves 9, No. three electromagnetic valves 10, No. four electromagnetic valves 11, No. five electromagnetic valves 12, No. six electromagnetic valves 13, No. seven electromagnetic valves 14, No. eight electromagnetic valves 15, No. nine electromagnetic valves 16, No. ten electromagnetic valves 17, ride on Bus No. 11 electromagnetic valve 18, the near front wheel wheel cylinder 31, off front wheel wheel cylinder 32, left rear wheel wheel cylinder 33 and off hind wheel wheel cylinder 34.Described control part includes drive motor 19, entire car controller 20, brake controller 21, pressure sensor 22, No. two pressure sensors 23, No. three pressure sensors 24, No. four pressure sensors 25, No. five pressure sensors 26, No. six pressure sensors 27, No. seven pressure sensors 28, No. eight pressure sensors 29 and pedal stroke simulator 30.
Described brake pedal 1 one (on) end is fixed on the vehicle body, brake pedal 1 one (on) left surface of end connects with the contact of the piston rod right side during master brake cylinder is connected, the oil inlet and outlet of liquid storing cup 3 is connected with the oil inlet and outlet pipeline of master brake cylinder 2.The ante-chamber outlet M of master brake cylinder 2 is connected with the p mouth pipeline of No. two electromagnetic valves 9, and the simultaneously ante-chamber of master brake cylinder 2 outlet M is connected with the p mouth pipeline of an electromagnetic valve 8; The a mouth of an electromagnetic valve 8 is connected with the interface C pipeline of stroke simulator 7; The a mouth of No. two electromagnetic valves 9 is connected with the p mouth pipeline of No. eight electromagnetic valves 15, the a mouth of No. eight electromagnetic valves 15 is connected with the near front wheel wheel cylinder 31, the a mouth of No. two electromagnetic valves 9 is connected with the p mouth pipeline of No. nine electromagnetic valves 16 simultaneously, and a mouth of No. nine electromagnetic valves 16 is connected with off front wheel wheel cylinder 32; The a mouth of No. two electromagnetic valves 9 is connected with a mouth pipeline of No. four electromagnetic valves 11, the a mouth of No. two electromagnetic valves 9 is connected with the p mouth pipeline of No. six electromagnetic valves 13 simultaneously, the a mouth of No. six electromagnetic valves 13 is connected with the oil inlet pipeline of electrical machinery hydraulic pump 6, the a mouth of No. six electromagnetic valves 13 is connected with the oil outlet pipeline of by pass valve 4, and a mouth of No. six electromagnetic valves 13 is connected with the oil inlet pipeline of liquid storing cup 3.
The back cavity outlet N of master brake cylinder 2 is connected with the p mouth pipeline of No. three electromagnetic valves 10.The a mouth of No. three electromagnetic valves 10 is connected with the p mouth pipeline of No. ten electromagnetic valves 17, the a mouth of No. ten electromagnetic valves 17 is connected with left rear wheel wheel cylinder 33, the a mouth of No. three electromagnetic valves 10 is connected with the p mouth pipeline of ride on Bus No. 11 electromagnetic valve 18 simultaneously, and a mouth of ride on Bus No. 11 electromagnetic valve 18 is connected with off hind wheel wheel cylinder 34; The a mouth of No. three electromagnetic valves 10 is connected with a mouth pipeline of No. five electromagnetic valves 12, and a mouth of No. three electromagnetic valves 10 is connected with the p mouth pipeline of No. seven electromagnetic valves 14 simultaneously, and a mouth of No. seven electromagnetic valves 14 is connected with a mouth pipeline of No. six electromagnetic valves 13.The oil outlet pipeline that the oil inlet of by pass valve 4, the oil outlet of high pressure accumulator 5 are connected with electrical machinery hydraulic pump connects.The oil outlet of high pressure accumulator 5 is connected with the p mouth pipeline of No. four electromagnetic valves 11, and the oil outlet of high pressure accumulator 5 is connected with the p mouth pipeline of No. five electromagnetic valves 12 simultaneously.
At high pressure accumulator 5 oil outlets pressure sensor 22 is set No. one, between master brake cylinder back cavity outlet N and No. three electromagnetic valves 10, pressure sensor 23 is set No. two, at No. three electromagnetic valves 10 and No. ten electromagnetic valve 17(or ride on Bus No. 11 valve 18) between pressure sensor 24 is set No. three, at No. two electromagnetic valves 9 and No. eight electromagnetic valve 15(or No. nine electromagnetic valves 16) between pressure sensor 25 is set No. four, between No. eight electromagnetic valves 15 and wheel cylinder 31, pressure sensor 26 is set No. five, between No. nine electromagnetic valves 16 and wheel cylinder 32, pressure sensor 27 is set No. six, between No. ten electromagnetic valves 17 and wheel cylinder 33, pressure sensor 28 is set No. seven, pressure sensor 29 is set No. eight between ride on Bus No. 11 electromagnetic valve 18 and wheel cylinder 34.At brake pedal 1 stroke sensor 30 is set.
Electrical machinery hydraulic pump 6, No. one electromagnetic valve valve 8 to ride on Bus No. 11 electromagnetic valve 18 is controlled by brake controller 21, the signal that pressure sensor 22 to stroke sensor 30 collects all is delivered to brake controller 21 and carries out analytical calculation, and brake controller 21 is realized regenerative braking capability with entire car controller 20 communications.
Consult Fig. 2, described stroke simulator 7 includes: little spring 36, big spring 37, end cap 38, big spring seat 39, submissile spring abutment 40, piston 41 and cylinder body 42.
Piston 41 is packed into from the open end of the piston hole of cylinder body 42, and front (right side) end of piston forms semi-enclosed chamber with piston hole, and namely hydraulic cavities 35, can store braking liquid, and the oil duct C of hydraulic cavities 35 leads to extraneous oil circuit.(left side) end is subject to the elastic force of spring behind the piston 41, and its front end is pressed onto on the cylinder body 42.Rear (left side) end of piston 41 is little spring 36 successively, submissile spring abutment 40, big spring seat 39, big spring 37 and end cap 38.Little spring 36 is between piston 41 and the submissile spring abutment 40, and little spring 36 is enclosed within on the projection of submissile spring abutment 40.Submissile spring abutment 40 other ends contact with big spring seat 39, and the two is servo-actuated, can be designed as disjunctor, become a part.Big spring 37 is between big spring seat 39 and the end cap 38, is enclosed within on the projection of big spring seat 39.Large little spring is installed with the form of series winding.End cap 38 is subject to the reverse elastic force of big spring, and end cap does not have Packed requirement, can be fixed on end cap 38 on the cylinder body 42 by jump ring.
When chaufeur was stepped on brake pedal 1, the braking liquid in the master brake cylinder 2 entered in the hydraulic cavities 35 by oil duct C, and pushing piston 41 compresses little spring 36 and big spring 37.Compressed spring produces counter-force, and is delivered on the brake pedal 1 by braking liquid, and the treadle effort power that chaufeur is experienced is identical with the traditional braking system.
A kind of working process of the braking force control system that is applied to Recovering Waste Energy of Braking in Automobiles is as follows:
Gather a pressure sensor 22 by brake controller (BCU) 21 in the braking procedure, No. two pressure sensors 23, No. three pressure sensors 24, No. four pressure sensors 25, No. five pressure sensors 26, No. six pressure sensors 27, No. seven pressure sensors 28, the signal of No. eight pressure sensors 29 and pedal stroke simulator 30, and by entire car controller 21(HCU) obtain the maximum braking force Tm0 that drive motor 19 can produce, brake controller (BCU) 21 is through calculating the braking intention that identifies chaufeur, and obtain antero posterior axis target hydraulic braking force T1, T2 and target motor braking power Tm.Antero posterior axis target hydraulic braking force T1 and T2 directly control electromagnetic valve 8-18 and electrical machinery hydraulic pump 6 by brake controller (BCU) 21 to obtain, target motor braking power Tm sends entire car controller (HCU) 20 to by brake controller (BCU) 21, and is obtained by entire car controller (HCU) 20 control drive motor (M) 19.
When current axis needs supercharging, No. four electromagnetic valves 11 of brake controller (BCU) 21 controls are opened, No. six electromagnetic valve 13 is closed, make the high-voltage oil liquid in the high pressure accumulator enter the front-wheel wheel cylinder, when rear axle needs supercharging, No. five electromagnetic valves 12 of brake controller (BCU) 21 controls are opened, and No. seven electromagnetic valve 14 is closed, and makes the high-voltage oil liquid in the high pressure accumulator enter the trailing wheel wheel cylinder; When current axis needs pressurize, brake controller (BCU) 21 No. four electromagnetic valves 11 of control and No. six electromagnetic valves 13 are closed, and front axle pressure remains unchanged, when rear axle needs pressurize, brake controller (BCU) 21 No. five electromagnetic valves 12 of control and No. seven electromagnetic valves 14 are closed, and rear axle pressure remains unchanged; When current axis need to reduce brake-pressure, No. four electromagnetic valves 11 of brake controller (BCU) 21 controls are closed, No. six electromagnetic valve 13 is opened, braking liquid in the front axle wheel cylinder enters liquid storing cup 3 by No. six electromagnetic valves 13, when rear axle need to reduce brake-pressure, No. five electromagnetic valves 12 of brake controller (BCU) 21 controls are closed, and No. seven electromagnetic valve 14 is opened, and the braking liquid in the rear axle wheel cylinder enters fluid cup 3 by No. seven electromagnetic valves 14.
No. eight electromagnetic valves 15 are used for controlling two pressure of wheel braking cylinder of front axle with No. nine electromagnetic valves 16 as the pressure of wheel braking cylinder control cock to be changed with different rate of changes, and No. ten electromagnetic valves 17 are used for realizing that as the pressure of wheel braking cylinder control cock two pressure of wheel braking cylinder of rear axle change with different rate of changes with ride on Bus No. 11 electromagnetic valve 18.For example, current axis two wheel cylinder the near front wheel cylinders 31 need supercharging and when simultaneously right front wheel cylinder 32 needs reduce pressure, close first No. nine electromagnetic valves 16 of off front wheel wheel cylinder 32, open electromagnetic valve 11 No. four, make 31 superchargings of the near front wheel wheel cylinder; After the near front wheel wheel cylinder 31 pressure changed to expected value, No. eight electromagnetic valve 15 was closed, and No. four electromagnetic valve 11 is closed, and No. nine electromagnetic valve 16 is opened, and No. six electromagnetic valve 13 is opened, and made 32 decompressions of off front wheel wheel cylinder.
For above all braking modes, fluid during its supercharging all comes from high pressure accumulator 5, and when decompression fluid directly flow back to liquid storing cup 3, its supercharging, pressurize and decompression process all with master cylinder in pressure independent, therefore in the braking procedure, the variation of pressure of wheel braking cylinder can not cause the uncomfortable property of driver pedal sensation.
When electric system lost efficacy, all electromagnetic valves and electric-motor pump all are failure to actuate, high pressure oil in the high pressure accumulator can't be given the wheel cylinder supercharging, at this moment chaufeur is stepped on brake pedal 1, fluid in the master cylinder can arrive respectively front axle and rear axle wheel cylinder 31-34 by No. two electromagnetic valves 9 and No. three electromagnetism 10, produces braking force.Therefore this brake equipment still can be realized braking function when electric system loses efficacy, and made car deceleration or parking, the satisfy regulatory requirement.
When the brake fluid pressure in the high pressure accumulator 5 was lower than low pressure threshold value P1, Hydraulic Pump 6 was started working, and braking liquid is extracted in the high pressure accumulator 5 from liquid storing cup 3, made the brake fluid pressure in the high pressure accumulator 5 remain effective operation pressure; When the brake fluid pressure in the high pressure accumulator 5 is higher than high-pressure door limit value P2, braking liquid in the high pressure accumulator 5 can be opened by pass valve 4, enters in the liquid storing cup 3, thus the brake fluid pressure in the reduction high pressure accumulator 5, avoid hypertonia, and damage high pressure accumulator 5.
The brake energy recovering system scheme that the utility model proposes can obtain the brake pedal feel identical with traditional vehicle, this be because:
The brake system scheme that the utility model proposes is in braking procedure, No. two electromagnetic valves 9 and No. three electromagnetic valves 10 are closed, and has cut off being connected between master cylinder and the wheel cylinder, and namely to change be independent separately to the pressure of master cylinder and wheel cylinder, is independent of each other; And form the brake pedal feel that simulator 7 can drive simulating person, an electromagnetic valve 8 is opened during braking, braking liquid in the master cylinder 2 enters in the stroke simulator 7 through an electromagnetic valve 8, stroke simulator applies counter-force, drive simulating person's pedal sense, when loosen the brake, braking liquid flows back to the master cylinder 2 through an electromagnetic valve 8 from stroke simulator 7, makes driver pedal feel comfortable.
Can be found out by above explanation, braking liquid by No. seven electromagnetic valves 14 of No. four electromagnetic valve 11-only has a flow direction, and by the braking liquid of No. three electromagnetic valves 10 of an electromagnetic valve 8-and No. eight electromagnetic valve 15-ride on Bus No. 11 electromagnetic valves 18 two flow directions are arranged, therefore in the electromagnetic valve among Fig. 1, arrow on No. seven electromagnetic valve 14 icons of No. two electromagnetic valve 9-is unidirectional arrow, and the arrow on electromagnetic valve 8 and No. eight electromagnetic valve 15-ride on Bus No. 11 electromagnetic valve 18 icons is four-headed arrow.
The various embodiments described above only are used for explanation the utility model; the structure of each parts wherein; connection modes etc. all can change to some extent, and every equivalents and improvement of carrying out on the basis of technical solutions of the utility model all should do not got rid of outside protection domain of the present utility model.

Claims (1)

1. braking force control system that is applied to Recovering Waste Energy of Braking in Automobiles, include mechanics, described mechanics includes master brake cylinder (2), liquid storing cup (3), by pass valve (4), high pressure accumulator (5), electrical machinery hydraulic pump (6), stroke simulator (7), an electromagnetic valve (8), No. two electromagnetic valves (9), No. three electromagnetic valves (10), No. four electromagnetic valves (11), No. five electromagnetic valves (12), No. six electromagnetic valves (13), No. seven electromagnetic valves (14), No. eight electromagnetic valves (15), No. nine electromagnetic valves (16), No. ten electromagnetic valves (17), ride on Bus No. 11 electromagnetic valve (18), the near front wheel wheel cylinder (31), off front wheel wheel cylinder (32), left rear wheel wheel cylinder (33) and off hind wheel wheel cylinder (34); It is characterized in that, the ante-chamber outlet M of master brake cylinder (2) is connected with the p mouth pipeline of an electromagnetic valve (8) with the number of being connected electromagnetic valve (9), the a mouth of an electromagnetic valve (8) is connected with the interface C pipeline of stroke simulator (7), the a mouth of No. two electromagnetic valves (9) is connected with the p mouth pipeline of No. nine electromagnetic valves (16) with the number of being connected electromagnetic valve (15), the a mouth of No. eight electromagnetic valves (15) is connected with the near front wheel wheel cylinder (31) pipeline, and a mouth of No. nine electromagnetic valves (16) is connected with off front wheel wheel cylinder (32) pipeline; The a mouth of a mouth of No. two electromagnetic valves (9) and the number of being connected electromagnetic valve (11) is connected with the p mouth pipeline of No. six electromagnetic valves (13), the a mouth of No. six electromagnetic valves (13) is connected with the oil inlet pipeline of electrical machinery hydraulic pump (6), and a mouth of No. six electromagnetic valves (13) is connected 4 with by pass valve) oil outlet be connected with the oil inlet pipeline of liquid storing cup (3);
The back cavity outlet N of master brake cylinder (2) is connected with the p mouth pipeline of No. three electromagnetic valves (10), the a mouth of No. three electromagnetic valves (10) is connected with the p mouth pipeline of ride on Bus No. 11 electromagnetic valve (18) with the number of being connected electromagnetic valve (17), the a mouth of No. ten electromagnetic valves (17) is connected with left rear wheel wheel cylinder (33) pipeline, and a mouth of ride on Bus No. 11 electromagnetic valve (18) is connected with off hind wheel wheel cylinder (34); The a mouth of No. three electromagnetic valves (10) is connected with the p mouth pipeline of No. seven electromagnetic valves (14) with a mouth of No. five electromagnetic valves (12), the a mouth of No. seven electromagnetic valves (14) is connected with a mouth pipeline of No. six electromagnetic valves (13), the oil outlet of the oil inlet of by pass valve (4), high pressure accumulator (5) is connected 6 with electrical machinery hydraulic pump) the oil outlet pipeline connect, the oil outlet of high pressure accumulator (5) is connected with the p mouth pipeline of No. five electromagnetic valves (12) with No. four electromagnetic valves (11).
CN 201320216436 2013-04-26 2013-04-26 Brake control device applied to automobile brake energy recovery Expired - Fee Related CN203198947U (en)

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Application Number Priority Date Filing Date Title
CN 201320216436 CN203198947U (en) 2013-04-26 2013-04-26 Brake control device applied to automobile brake energy recovery

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Application Number Priority Date Filing Date Title
CN 201320216436 CN203198947U (en) 2013-04-26 2013-04-26 Brake control device applied to automobile brake energy recovery

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CN203198947U true CN203198947U (en) 2013-09-18

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103213570A (en) * 2013-04-26 2013-07-24 吉林大学 Braking control device applied to automobile braking energy recovery
CN106740778A (en) * 2016-11-25 2017-05-31 浙江亚太机电股份有限公司 A kind of integrated form master cylinder
CN111619534A (en) * 2020-05-25 2020-09-04 奇瑞汽车股份有限公司 Distributed automobile braking system, braking method and automobile

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103213570A (en) * 2013-04-26 2013-07-24 吉林大学 Braking control device applied to automobile braking energy recovery
CN103213570B (en) * 2013-04-26 2015-06-10 吉林大学 Braking control device applied to automobile braking energy recovery
CN106740778A (en) * 2016-11-25 2017-05-31 浙江亚太机电股份有限公司 A kind of integrated form master cylinder
CN111619534A (en) * 2020-05-25 2020-09-04 奇瑞汽车股份有限公司 Distributed automobile braking system, braking method and automobile

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