CN104859615A - Electromobile capable for reducing loss of conventional brake friction plate - Google Patents

Electromobile capable for reducing loss of conventional brake friction plate Download PDF

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Publication number
CN104859615A
CN104859615A CN201410827465.4A CN201410827465A CN104859615A CN 104859615 A CN104859615 A CN 104859615A CN 201410827465 A CN201410827465 A CN 201410827465A CN 104859615 A CN104859615 A CN 104859615A
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CN
China
Prior art keywords
brake
slide block
pedal
rack slide
braking
Prior art date
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Withdrawn
Application number
CN201410827465.4A
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Chinese (zh)
Inventor
朱海燕
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Individual
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Individual
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Priority to CN201410827465.4A priority Critical patent/CN104859615A/en
Publication of CN104859615A publication Critical patent/CN104859615A/en
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T11/00—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant
    • B60T11/10—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting by fluid means, e.g. hydraulic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T7/00—Brake-action initiating means
    • B60T7/02—Brake-action initiating means for personal initiation
    • B60T7/04—Brake-action initiating means for personal initiation foot actuated
    • B60T7/06—Disposition of pedal

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Braking Systems And Boosters (AREA)

Abstract

The invention provides an electromobile capable for reducing loss of the conventional brake friction plate. The electromobile comprises a braking system, wherein the braking system comprises wheel hubs, a brake actuating component, a pedal braking component, an electric braking component, a wheel driving motor and a power battery, and further comprises a braking gear; the brake actuating component comprises brake pads, brake cylinders, a brake valve, an air compressor, a gas storage tank, a voltage regulator, a power gas chamber and a brake master cylinder; the braking gear is rotationally connected onto a brake valve push rod; the pedal braking component comprises a pedal, a pedal rotating shaft, a driving gear, a gearbox, a first guide rail and a double-side rack slide block; the electric braking component comprises a second guide rail, a single-side rack slide block, a connecting rod, an electromagnet, a return spring and a travel switch; the control end of the travel switch is arranged on the pedal. The electromobile has the advantages that motor brake force and pedal brake force can be regulated through coordination in a certain range continuously in real time due to the adoption of the mechanical structure; the structure is relatively simple; the cost is greatly reduced; the work reliability is remarkably improved.

Description

The electronlmobil of the loss of conventional brake friction lining can be reduced
Technical field
The present invention relates to a kind of brake system of electronlmobil, especially electronic assist gas pressure carries out the brake system of work, belongs to automobile brake technical field.
Background technology
Current, along with the pay attention to day by day of energy-conserving and environment-protective, the use of electronlmobil increases gradually.Brake system is one of vital system of automobile.Traditional automobile brake generally adopts hydraulic pressure, Pneumatic braking system, and it can not realize the recovery of braking energy, and brake plate frictional loss is very fast.At present, the brake system of electronlmobil, except some adopts traditional brake system, also the brake system adopting electric braking and mechanical combination (or mixing) is had, when one of its main purpose is to utilize brake, wheel drive motors is charged to battery, to realize the recovery of energy, economize energy.As publication number be CN1986272A, denomination of invention is the Chinese patent literature of " electronlmobil combination braking control system and control method ", namely disclose a kind of by sensor collection signal and micro controller system calculating, corresponding control ratio valve output hydraulic pressure braking force, to realize the combination of electric braking and hydraulic braking; And for example publication number is CN101913352A, denomination of invention is the Chinese patent literature of " coordinated braking control method of electronlmobil ", and it still needs by steps such as acquisition of signal and micro controller system calculating to realize the cooperation of electric braking and hydraulic braking; For another example publication number is CN102310850A, denomination of invention is the Chinese patent literature of " braking system of electric car that can carry out Brake energy recovery ", and still needing is calculating and the control of the control of core based on micro controller system.
Mostly utilize integrated manipulator (or similar single chip machine controlling circuit etc.) according to the control logic preset for the mode of the electric braking of electronlmobil and mechanical braking in above-mentioned prior art, the time drawing control is judged according to the signal of sensor, control the mode of actr work, number of times or frequency etc. the parameter controlled, but associated actuator is controlled, its whole process need comprises collection signal, judge, calculate, the steps such as execution, the regular hour is needed to postpone in the process, the size of mechanical braking force can not be regulated in real time in real time according to the size of motor braking power, and control process of the prior art all demand fulfillment certain condition just controls actr action, control actr when meeting next condition again and carry out next step action, its control process be interrupted, discontinuous, in addition, its Control system architecture relative complex, the electronic devices and components of use are more, and the more expensive and functional reliability of cost reduces.
Summary of the invention
The object of the invention is: for the deficiencies in the prior art, a kind of calculating without the need to controller or single chip circuit is provided to control, by physical construction, motor braking power and pedal brake power are regulated within the specific limits continuously in real time, under the prerequisite ensureing automobile effective brake, realize Energy Efficient to reclaim and cost is not high, the electronlmobil of reliable operation.
Technical scheme of the present invention is: provide electronlmobil, comprise brake system, brake system comprises wheel hub, braking executive module, pedal brake assembly, electric braking assembly, wheel drive motors and electrokinetic cell, and described braking executive module comprises brake facing, brake wheel cylinder, brake activation valve, Air compressor, storage tank, pressure regulator, power air chamber and master brake cylinder, described brake facing is located on wheel hub, described brake wheel cylinder is connected with brake facing, the air extractor duct of described brake activation valve is connected with power air chamber by tracheae, described power air chamber is connected with master brake cylinder, described master brake cylinder is connected with brake wheel cylinder by oil pipe, the air extractor duct of described Air compressor is connected with brake activation valve admission port with the pressure regulation pipeline of storage tank by tracheae, the admission port of described Air compressor is connected with the air circuit that goes out of storage tank by tracheae, the gas returning port of brake activation valve is connected with the admission port of storage tank by tracheae, pressure regulator is positioned at the air extractor duct place of Air compressor, also comprise spragging gear, described brake activation valve is provided with the brake activation valve push rod controlling brake activation valve, described spragging gear is rotatably connected on brake activation valve push rod,
Described pedal brake assembly comprises pedal, pedal shaft, driven wheel, change speed gear box, the first guide rail and the two-sided rack slide block; Described pedal is rotationally connected by pedal shaft and automobile, described change speed gear box is fixedly connected on automobile, described pedal shaft is connected with the input shaft of change speed gear box, described driven wheel is sheathed to be fixed on the output shaft of change speed gear box, described first guide rail is fixedly connected on automobile, described the two-sided rack slide block to be located on the first guide rail and can be slided along the first guide rail, and the one side of described the two-sided rack slide block is meshed with driven wheel, and the another side of described the two-sided rack slide block is meshed with spragging gear;
Described electric braking assembly comprises the second guide rail, single-side rack slide block, connecting rod, electromagnet, retracing spring and travel switch, the control end of described travel switch is located on pedal, described electromagnet and wheel drive motors and electrokinetic cell are in series, the switch contact of described electromagnet and travel switch is in parallel, described second guide rail is fixedly connected on automobile, described single-side rack slide block to be located on the second guide rail and can be slided along the second guide rail, one end of retracing spring is connected with single-side rack slide block, the other end of retracing spring is connected with the second guide rail, one end of described connecting rod is connected with the dynamic iron core of electromagnet, the other end of described connecting rod is connected with single-side rack slide block, described single-side rack slide block is meshed with spragging gear,
During braking, described the two-sided rack slide block slides near the direction of brake activation valve, and described single-side rack slide block slides to the direction away from brake activation valve.
The rotating speed ratio of above-mentioned driven wheel and spragging gear is 1: 1 to 1: 2.
The input speed of above-mentioned change speed gear box and the ratio of output speed are 1: 2 to 1: 4.
Above-mentioned the two-sided rack slide block and single-side rack slide block arranged in parallel.
Above-mentioned master brake cylinder is bicavate master brake cylinder.
The present invention has positive effect:
(1) the liquid of gas cap system of electronlmobil of the present invention, employing physical construction realizes motor braking power and pedal brake power carries out cooperation adjustment within the specific limits continuously, in real time, without the need to controlling as needing in prior art to be calculated by collecting sensor signal, controller or single chip circuit, coordinate the ageing better of braking.
(2) the liquid of gas cap system of electronlmobil of the present invention, adopt rack-and-gear as mechanical transmission component, with realize motor braking power and pedal brake power continuously, cooperation in real time, working stability is high, and structure is relatively simple, cost significantly reduces.
(3) the liquid of gas cap system of electronlmobil of the present invention, when motor braking power can be ensured and pedal brake power meets automobile brake requirement, the percent recovery of braking energy in braking procedure can be improved, the loss of conventional brake friction lining can be reduced again.
(4) the liquid of gas cap system of electronlmobil of the present invention, the output of pedal brake power have employed change speed gear box, can determine suitable transmission ratios during fabrication, thus can select the critical value of pedal brake power and pedal brake stroke optimum by test.
Accompanying drawing explanation
Fig. 1 is the structural representation of the liquid of gas cap system of electronlmobil of the present invention.
The Reference numeral of above-mentioned accompanying drawing is as follows:
Wheel hub 1,
Braking executive module 2, brake facing 21, brake wheel cylinder 22, brake activation valve 23, brake activation valve push rod 24, Air compressor 25, storage tank 26, pressure regulator 27, power air chamber 28, master brake cylinder 29,
Pedal brake assembly 3, pedal 31, pedal shaft 32, driven wheel 33, change speed gear box 34, the first guide rail 35, the two-sided rack slide block 36,
Electric braking assembly 4, second guide rail 41, single-side rack slide block 42, connecting rod 43, electromagnet 44, dynamic iron core 45, retracing spring 47, travel switch K,
Spragging gear 5,
Wheel drive motors M,
Electrokinetic cell E.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Embodiment 1
See Fig. 1, the liquid of gas cap system of the electronlmobil of the present embodiment, comprise wheel hub 1, braking executive module 2, pedal brake assembly 3, electric braking assembly 4, spragging gear 5, wheel drive motors M and electrokinetic cell E.
Braking executive module 2 comprises brake facing 21, brake wheel cylinder 22, brake activation valve 23, Air compressor 25, storage tank 26, pressure regulator 27, power air chamber 28 and master brake cylinder 29.Brake facing 21 is located on wheel hub 1.Brake wheel cylinder 22 is connected with brake facing 21, and the air extractor duct of brake activation valve 23 is connected with power air chamber 28 by tracheae, and power air chamber 28 is connected with master brake cylinder 29, and master brake cylinder 29 is connected with brake wheel cylinder 22 by oil pipe.The air extractor duct of Air compressor 25 is connected with brake activation valve 23 admission port with the pressure regulation pipeline of storage tank 26 by tracheae.The admission port of Air compressor 25 is connected with the air circuit that goes out of storage tank 26 by tracheae.The gas returning port of brake activation valve 23 is connected by the admission port of tracheae with storage tank 26.Pressure regulator 27 is positioned at the air extractor duct place of Air compressor 25.Brake activation valve 23 is provided with the brake activation valve push rod 24 controlling brake activation valve 23, and spragging gear 5 is rotatably connected on brake activation valve push rod 24.
Pedal brake assembly 3 comprises pedal 31, pedal shaft 32, driven wheel 33, change speed gear box 34, first guide rail 35 and the two-sided rack slide block 36.Pedal 31 is rotationally connected by pedal shaft 32 and automobile.Change speed gear box 34 is fixedly connected on automobile.Pedal shaft 32 is connected with the input shaft of change speed gear box 34.On the sheathed output shaft being fixed on change speed gear box 34 of driven wheel 33.First guide rail 35 is fixedly connected on automobile.The two-sided rack slide block 36 to be located on the first guide rail 35 and can be slided along the first guide rail 35.The one side of the two-sided rack slide block 36 is meshed with driven wheel 33.The another side of the two-sided rack slide block 36 is meshed with spragging gear 5.
Electric braking assembly 4 comprises the second guide rail 41, single-side rack slide block 42, connecting rod 43, electromagnet 44, retracing spring 47 and travel switch K.The control end of travel switch K is located on pedal 31.Electromagnet 44 and wheel drive motors M and electrokinetic cell E are in series.Electromagnet 44 is in parallel with the switch contact of travel switch K.Second guide rail 41 is fixedly connected on automobile.Single-side rack slide block 42 to be located on the second guide rail 41 and can be slided along the second guide rail 41.One end of retracing spring 47 is connected with single-side rack slide block 42, and the other end of retracing spring 47 is connected with the second guide rail 41.One end of connecting rod 43 is connected with the dynamic iron core 45 of electromagnet 44, and the other end of connecting rod 43 is connected with single-side rack slide block 42.Single-side rack slide block 42 is meshed with spragging gear 5.
During braking, the two-sided rack slide block 36 slides near the direction of brake activation valve 23, and single-side rack slide block 42 slides to the direction away from brake activation valve 23.
Driven wheel 33 is 1: 2 with the rotating speed ratio of spragging gear 5.The input speed of change speed gear box 34 and the ratio of output speed are 1: 2.
The two-sided rack slide block 36 is arranged in parallel with single-side rack slide block 42.
Master brake cylinder is bicavate master brake cylinder.
The liquid of gas cap system of the electronlmobil of the present embodiment, in electric automobile during traveling process, when the non-pedal 31 of chaufeur, travel switch K closes, electromagnet 44 short circuit, and electrokinetic cell E supplies electric drive running car to wheel drive motors M.Now, the dynamic iron core 45 in electromagnet 44 is applied to the power of single-side rack slide block 41 due to retracing spring 47, so dynamic iron core 45 is positioned at the left side of electromagnet 45.
In electric automobile during traveling process, when chaufeur push down on the pedal 31, pedal 31 is successively by change speed gear box 34, driven wheel 33, the two-sided rack slide block 36, spragging gear 5 is driven to be moved to the left, brake activation valve 23 controls Air compressor 25 and the gas in storage tank 26 is delivered to power air chamber 28, gas pressure in power air chamber 28 is in master brake cylinder 29, and master brake cylinder 29 produces oil pressure and is delivered to brake wheel cylinder 22, then acts on wheel hub 1 by brake facing 21 and brake.Simultaneously, travel switch K opens, wheel drive motors M is produced plugging power and is charged to electrokinetic cell E by circuit, electromagnet 44 is in running order, dynamic iron core 45 moves right, and by connecting rod 43 and single-side rack slide block 42, drives spragging gear 5 to move right, thus reduce the stroke of brake activation valve push rod 24, reduce the brake-pressure in brake wheel cylinder 22.
In electric automobile during traveling process, the braking force be applied on wheel hub 1 be braking executive module 2 produce hydraulic braking force and wheel drive motors M produce plugging power make a concerted effort.When the speed of a motor vehicle is faster, the braking current then produced in wheel drive motors M is larger, motor braking power is larger, the suction that electromagnet 44 produces is larger, and dynamic iron core 45 is just the closer to the right-hand member of electromagnet 44, and the hydraulic pressure in brake wheel cylinder 22 is less, thus when automobile high-speed is braked, increase motor braking power, reduce by the conventional friction braking force of pedal brake, thus reduce the wearing and tearing of friction lining in conventional brake, improve wheel drive motors M to the percent recovery of braking energy simultaneously.
In electric automobile during traveling process, if when the circuit of electric braking assembly 4 breaks down or electrokinetic cell E is in full power state, wheel drive motors M cannot charge to electrokinetic cell E and produce plugging power, now electronlmobil is braked by braking the mode that executive module 2 adopts conventional pedal to brake, and ensures traffic safety.
Above embodiment is the explanation to the specific embodiment of the present invention; but not limitation of the present invention; person skilled in the relevant technique without departing from the spirit and scope of the present invention; can also make various conversion and change and obtain corresponding equivalent technical scheme, therefore all equivalent technical schemes all should be included into scope of patent protection of the present invention.

Claims (5)

1. one kind can reduce the electronlmobil of the loss of conventional brake friction lining, comprise brake system, brake system comprises braking executive module (2), pedal brake assembly (3), electric braking assembly (4), wheel drive motors (M), and described braking executive module (2) comprises brake facing (21), brake wheel cylinder (22), brake activation valve (23), Air compressor (25), storage tank (26), pressure regulator (27), power air chamber (28) and master brake cylinder (29), described brake facing (21) is located on wheel hub (1), described brake wheel cylinder (22) is connected with brake facing (21), the air extractor duct of described brake activation valve (23) is connected with power air chamber (28) by tracheae, described power air chamber (28) is connected with master brake cylinder (29), described master brake cylinder (29) is connected with brake wheel cylinder (22) by oil pipe, the air extractor duct of described Air compressor (25) is connected with brake activation valve (23) admission port with the pressure regulation pipeline of storage tank (26) by tracheae, the admission port of described Air compressor (25) is connected by the air circuit that goes out of tracheae with storage tank (26), the gas returning port of brake activation valve (23) is connected by the admission port of tracheae with storage tank (26), pressure regulator (27) is positioned at the air extractor duct place of Air compressor (25), it is characterized in that: also comprise spragging gear (5), described brake activation valve (23) is provided with the brake activation valve push rod (24) controlling brake activation valve (23), described spragging gear (5) is rotatably connected on brake activation valve push rod (24),
Described pedal brake assembly (3) comprises pedal (31), pedal shaft (32), driven wheel (33), change speed gear box (34), the first guide rail (35) and the two-sided rack slide block (36), described pedal (31) is rotationally connected by pedal shaft (32) and automobile, described change speed gear box (34) is fixedly connected on automobile, described pedal shaft (32) is connected with the input shaft of change speed gear box (34), on the sheathed output shaft being fixed on change speed gear box (34) of described driven wheel (33), described first guide rail (35) is fixedly connected on automobile, described the two-sided rack slide block (36) is located at the first guide rail (35) and is gone up and can slide along the first guide rail (35), the one side of described the two-sided rack slide block (36) is meshed with driven wheel (33), the another side of described the two-sided rack slide block (36) is meshed with spragging gear (5),
Described electric braking assembly (4) comprises the second guide rail (41), single-side rack slide block (42), connecting rod (43), electromagnet (44), retracing spring (47) and travel switch (K), the control end of described travel switch (K) is located on pedal (31), described electromagnet (44) and wheel drive motors (M) are in series, described electromagnet (44) is in parallel with the switch contact of travel switch (K), described second guide rail (41) is fixedly connected on automobile, described single-side rack slide block (42) is located at the second guide rail (41) and is gone up and can slide along the second guide rail (41), one end of retracing spring (47) is connected with single-side rack slide block (42), the other end of retracing spring (47) is connected with the second guide rail (41), one end of described connecting rod (43) is connected with the dynamic iron core (45) of electromagnet (44), the other end of described connecting rod (43) is connected with single-side rack slide block (42), described single-side rack slide block (42) is meshed with spragging gear (5),
During braking, described the two-sided rack slide block (36) is slided near the direction of brake activation valve (23), and described single-side rack slide block (42) is slided to the direction away from brake activation valve (23).
2. the electronlmobil that can reduce the loss of conventional brake friction lining according to claim 1, is characterized in that: described driven wheel (33) is 1: 1 to 1: 2 with the rotating speed ratio of spragging gear (5).
3. the electronlmobil that can reduce the loss of conventional brake friction lining according to claim 2, is characterized in that: the input speed of described change speed gear box (34) and the ratio of output speed are 1: 2 to 1: 4.
4. the electronlmobil that can reduce the loss of conventional brake friction lining according to claim 1, is characterized in that: described the two-sided rack slide block (36) is arranged in parallel with single-side rack slide block (42).
5. the method for work that can reduce the electronlmobil of the loss of conventional brake friction lining according to claim 1; it is characterized in that comprising: when chaufeur push down on the pedal; pedal is successively by change speed gear box, driven wheel, the two-sided rack slide block; driving spragging gear is moved to the left; brake activation valve controls Air compressor and the gas in storage tank is delivered to power air chamber; gas pressure in power air chamber is in master brake cylinder; master brake cylinder produces oil pressure and is delivered to brake wheel cylinder, then acts on wheel hub braking by brake facing; Simultaneously, travel switch K opens, wheel drive motors M is produced plugging power and is charged to electrokinetic cell E by circuit, electromagnet is in running order, dynamic iron core moves right, and by connecting rod and single-side rack slide block, drives spragging gear to move right, thus reduce the stroke of brake activation valve push rod, reduce the brake-pressure in brake wheel cylinder.
CN201410827465.4A 2014-12-26 2014-12-26 Electromobile capable for reducing loss of conventional brake friction plate Withdrawn CN104859615A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410827465.4A CN104859615A (en) 2014-12-26 2014-12-26 Electromobile capable for reducing loss of conventional brake friction plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410827465.4A CN104859615A (en) 2014-12-26 2014-12-26 Electromobile capable for reducing loss of conventional brake friction plate

Publications (1)

Publication Number Publication Date
CN104859615A true CN104859615A (en) 2015-08-26

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Application Number Title Priority Date Filing Date
CN201410827465.4A Withdrawn CN104859615A (en) 2014-12-26 2014-12-26 Electromobile capable for reducing loss of conventional brake friction plate

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108248587A (en) * 2014-12-31 2018-07-06 吴杰 The Pneumatic braking system and its method of work of electric vehicle
CN109760651A (en) * 2019-03-28 2019-05-17 南京超靖界智能科技有限公司 Emergency braking apparatus for vehicle and its control method
CN110154724A (en) * 2018-12-29 2019-08-23 吉林东光奥威汽车制动系统有限公司 A kind of new-energy automobile kinetic energy switching brake device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108248587A (en) * 2014-12-31 2018-07-06 吴杰 The Pneumatic braking system and its method of work of electric vehicle
CN108248586A (en) * 2014-12-31 2018-07-06 吴杰 A kind of electric braking component of electric vehicle and its Pneumatic braking system
CN110154724A (en) * 2018-12-29 2019-08-23 吉林东光奥威汽车制动系统有限公司 A kind of new-energy automobile kinetic energy switching brake device
CN109760651A (en) * 2019-03-28 2019-05-17 南京超靖界智能科技有限公司 Emergency braking apparatus for vehicle and its control method
CN109760651B (en) * 2019-03-28 2024-03-19 南京超靖界智能科技有限公司 Emergency braking device for vehicle and control method thereof

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Application publication date: 20150826

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