CN105235663A - Electromobile energy recovery system - Google Patents
Electromobile energy recovery system Download PDFInfo
- Publication number
- CN105235663A CN105235663A CN201510742944.0A CN201510742944A CN105235663A CN 105235663 A CN105235663 A CN 105235663A CN 201510742944 A CN201510742944 A CN 201510742944A CN 105235663 A CN105235663 A CN 105235663A
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- Prior art keywords
- recovery system
- energy recovery
- brake
- oil outlet
- clutch
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Classifications
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- 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
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/12—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting otherwise than by retarding wheels, e.g. jet action
- B60T1/16—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting otherwise than by retarding wheels, e.g. jet action by increasing air resistance, e.g. flaps
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- 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
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/10—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels by utilising wheel movement for accumulating energy, e.g. driving air compressors
Abstract
The invention relates to an electromobile energy recovery system, in particular to an electromobile energy recovery system, and belongs to the technical field of electromobiles. The electromobile energy recovery system comprises a brake energy recovery system which comprises a first clutch, a first gear pump, an energy accumulator and a hydraulic motor, the first clutch is arranged on a driving shaft which drives wheels, a power shaft of the first gear pump can be separated from and combined with the driving shaft through the first clutch, an oil outlet of the first gear pump is connected with the energy accumulator which is connected with the hydraulic motor, the hydraulic motor is connected with an auxiliary motor and an oil tank, the auxiliary driving motor is connected with a storage battery, hydraulic oil sequentially passes through the first gear pump, the energy accumulator and the hydraulic motor from the oil tank to form a circulation loop, and the first clutch is controlled through an accelerator controller. By means of the electromobile energy recovery system, energy which is lost during driving of the electromobile can be recycled, and the whole vehicle performance is improved.
Description
Technical field
The present invention relates to a kind of energy-recuperation system, particularly a kind of electric vehicle energy recovery system, belong to electric vehicle engineering field.
Background technology
The automobile of electronlmobil to be main with vehicle power be power, because it does not produce exhaust pollution, is almost " no pollution " to environment, has vast potential for future development.At present, the degree of recognition of people to electronlmobil depends on the contrast with existing fuel-engined vehicle, mainly concentrates on the following aspects: 1, driving performance, comprises starting speed, overtake other vehicles performance, braking distance etc.; 2, charging rate, the charging electric vehicle time was thought to accept within 20 minutes; 3, course continuation mileage; 4, maximum travelling speed; 5, ancillary system in car.
Above-mentioned indices compared with fuel-engined vehicle, the also short slab of electronlmobil just, and be difficult to over a period to come solve.This depends primarily on electronlmobil battery used and cannot break through.The specific power of battery determines electronlmobil and unconfinedly can not add packed battery.The charge/discharge rates that the charge/discharge rates of battery determines electronlmobil can not foreshorten to 20 minutes.A large amount of construction of battery-charging station need to drop into a huge sum of money, and the shortening of charging duration, heavy-current discharge in the short time, causes the impact to electrical network in community, also constrains the development of electronlmobil.Electronlmobil, in order to ensure the effective course continuation mileage once charged, has to sacrifice electricity consumption and the installation of various ancillary system.
In order to solve the problem of battery short slab, be developed oil-electric vehicle, but its essence remaining based on fuel oil consumption, thoroughly can not solve the problem of fuel oil pollution.
In electric automobile during traveling process, according to the difference of road conditions, its traveling feature is also had nothing in common with each other.As in city, traffic congestion, traffic lights are many, need frequently braking, starting; Section, rural area road conditions are bad, road bumpiness, and car body easily jolts; When fastlink travels, the speed of a motor vehicle is very fast, and be greater than 30 kilometers, windage is larger.If automobile can be reclaimed at brake, the degradation of energy pitching and run at high speed in process, will effectively improve the performance of electronlmobil.
Summary of the invention
According to above the deficiencies in the prior art, technical matters to be solved by this invention is: provide a kind of electric vehicle energy recovery system, the energy that recyclable electronlmobil loses in the process of moving, improves vehicle performance.
Electric vehicle energy recovery system of the present invention, comprise Brake Energy recovery system, Brake Energy recovery system comprises first clutch, first gear type pump, energy storage and HM Hydraulic Motor, drive in the imput shaft of wheel and first clutch is set, the dynamical axis of the first gear type pump by first clutch can with imput shaft clutch, the oil outlet of the first gear type pump connects energy storage, energy storage connecting fluid pressure motor, HM Hydraulic Motor connects auxiliary drive motor and fuel tank, auxiliary drive motor connects storage battery, hydraulic oil by fuel tank successively through the first gear type pump, energy storage, HM Hydraulic Motor forms circulation loop, first clutch is controlled by accel control.
The first described gear type pump oil outlet place is provided with oil outlet control assembly, oil outlet control assembly comprises oil cylinder, control cylinder, control cylinder is arranged on the oil outlet place of the first gear type pump, the seal valve block can closing oil outlet is provided with in control cylinder, control cylinder passes through hydraulic oil cylinder driving, be provided with brake piston in oil cylinder, brake piston connects brake rod by connecting rod, and brake rod connects brake pedal.
Described brake rod also connects brake cylinder, and brake cylinder connects brake facing assembly.
Also comprise energy recovery system of jolting, jolt and recovery system can comprise the damping type plunger pump be arranged on car body, damping type plunger pump connects energy storage.
Damping piston is provided with in the pump housing of described damping type plunger pump, all hydraulic oil is full of in the top cavity of damping piston and below cavity, the upper end of damping type plunger pump arranges the first in line check valve, the first oil outlet one-way valve respectively, the lower end of damping type plunger pump arranges the second in line check valve, the second oil outlet one-way valve respectively, first in line check valve, the second in line check valve connect fuel tank by pipeline, and the first oil outlet one-way valve, the second oil outlet one-way valve connect energy storage by pipeline.
Also comprise windage energy recovery system, windage energy recovery system comprises turbofan, the second gear type pump, Vehicular body front and afterbody arrange air guide hole respectively, two air guide holes are pooled in a main pipe rail by two pipelines, turbofan is arranged on main pipe rail air outlet place, the rotating shaft of turbofan is connected with the dynamical axis of the second gear type pump, and the second gear type pump connects energy storage by the 3rd in line check valve.
Be provided with pressure sensor in described energy storage, energy storage export pipeline is provided with electromagnetic valve and the 3rd oil outlet one-way valve.
Described energy storage is bladder accumulator, sealing air or nitrogen in its air bag.
Described auxiliary driving motor and the driver motor of automobile are coaxially arranged, and auxiliary driving motor can be connected with driver motor by second clutch in clutch.
Described driver motor, auxiliary driving motor are permasyn morot.
Compared with prior art, the beneficial effect that the present invention has is:
This electric vehicle energy recovery system is by energy storage, first clutch, the first gear type pump and oil outlet control assembly, while ensureing braking quality, realize reclaiming Brake Energy, the recovery to the energy that jolts is realized by damping type plunger pump, realize the recovery to windage energy by turbofan, the second gear type pump, be applicable to the energy regenerating when all-terrain baby such as city, rural area, mountain area, height section travel.Energy recovery efficiency is high, and access speed is fast, and the organic efficiency of Brake Energy reaches 30% ~ 40%, and the organic efficiency of the energy that jolts reaches 10%, and the organic efficiency of windage energy reaches 20%.Single unit system productive costs of the present invention is low, and structure is simple, and processing ease, failure rate is low in use procedure, time between failures is long.
Accompanying drawing explanation
Fig. 1 is principle of the invention schematic diagram;
Fig. 2 is HM Hydraulic Motor Power output schematic diagram;
Fig. 3 is that the first gear type pump oil outlet controls schematic diagram;
Fig. 4 is damping type plunger pump structure schematic diagram;
Fig. 5 is windage energy regenerative apparatus schematic diagram.
In figure: 1, the first gear type pump; 1.1, oil inlet; 1.2, oil outlet; 2, control cylinder; 2.1, seal valve block; 3, energy storage; 3.1, air bag; 4, oil cylinder; 5, brake piston; 6, brake cylinder; 7, brake facing assembly; 8, brake rod; 9, brake pedal; 10, damping type plunger pump; 11, damping piston; 12, the first oil outlet one-way valve; 13, the first in line check valve; 14, the second in line check valve; 15, the second oil outlet one-way valve; 16, the 3rd in line check valve; 17, the 3rd oil outlet one-way valve; 18, the second gear type pump; 19, turbofan; 20, electromagnetic valve.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described further.
This electric vehicle energy recovery system for reclaim produce in electric automobile during traveling process Brake Energy, jolt can and windage energy, comprise Brake Energy recovery system, jolting can recovery system and windage energy recovery system.
As shown in Figure 1,3, Brake Energy recovery system comprises first clutch, the first gear type pump 1, oil outlet control assembly and energy storage 3, first clutch is arranged in the imput shaft of driving wheel, the first clutch of respective amount can be set according to the quantity of imput shaft, as to four-drive electric car, respectively first clutch can be set in the imput shaft of front and back two, the dynamical axis of the first gear type pump 1 by first clutch can with imput shaft clutch, the oil outlet 1.2 of the first gear type pump 1 connects energy storage 3, its oil inlet 1.1 connects fuel tank, energy storage 3 connecting fluid pressure motor.First gear type pump 1 oil outlet 1.2 place sets out oilhole control assembly, oil outlet control assembly comprises oil cylinder 4, control cylinder 2, control cylinder 2 is arranged on oil outlet 1.2 place of the first gear type pump 1, the seal valve block 2.1 can closing oil outlet 1.2 is provided with in control cylinder 2, control cylinder 2 is driven by oil cylinder 4, be provided with brake piston 5 in oil cylinder 4, brake piston 5 connects brake rod 8 by connecting rod, and brake rod 8 connects brake pedal 9.Brake rod 8 also connects brake cylinder 6, and brake cylinder 6 connects brake facing assembly 7.In native system, the first gear type pump 1 becomes main brake assembly, and brake facing assembly 7 is assist brake assembly, when emergency brake, is floored by brake pedal 9, and main brake assembly, assist brake assembly act on simultaneously, realizes braking rapidly.First clutch controls its action by accel control, and when throttle is totally released, namely accel control controls first clutch, and the first gear type pump 1 is connected with imput shaft.
HM Hydraulic Motor connects auxiliary drive motor and fuel tank, and auxiliary drive motor connects storage battery, and hydraulic oil forms circulation loop through the first gear type pump 1, energy storage 3, HM Hydraulic Motor successively by fuel tank.
As Fig. 1, shown in 4, jolt and recovery system can comprise the damping type plunger pump 10 be arranged on car body, damping piston 11 is provided with in the pump housing of damping type plunger pump 10, all hydraulic oil is full of in the top cavity of damping piston 11 and below cavity, the upper end of damping type plunger pump 10 arranges the first in line check valve 13 respectively, first oil outlet one-way valve 12, the lower end of damping type plunger pump 10 arranges the second in line check valve 14 respectively, second oil outlet one-way valve 15, first in line check valve 13, second in line check valve 14 connects fuel tank by pipeline, first oil outlet one-way valve 12, second oil outlet one-way valve 15 connects energy storage 3 by pipeline.
As shown in Figure 1,5, windage energy recovery system comprises turbofan 19, second gear type pump 18, Vehicular body front and afterbody arrange air guide hole respectively, two air guide holes are pooled in a main pipe rail by two pipelines, turbofan 19 is arranged on main pipe rail air outlet place, the rotating shaft of turbofan 19 is connected with the dynamical axis of the second gear type pump 18, and the second gear type pump 18 connects energy storage 3 by the 3rd in line check valve 16.Electronlmobil is when (speed per hour is greater than 30 kilometers/hour) travels at a high speed, air draught can be produced in dead ahead, its size is directly proportional to moving velocity, speed is faster, windage is larger, and this part windage can reclaim the wind energy importing turbofan 19 be arranged in automobile by installing louver in front.Automobile, when running at high speed, not only has the windage in front, because vehicle body is the structure of upper lobes, will be higher than the wind speed of bottom of car at the wind speed of automobile top, and form wind speed poor, this wind speed difference is directly proportional to automobile driving speed.This wind speed difference produces lift, air-flow is flowed, with the density of air of supplementary roof to roof by bottom.Like this, the windage in dead ahead and by the pressure reduction wind of bottom to roof, arranges air guide hole respectively at Vehicular body front and afterbody, and two strands of wind are merged into one wind to tailstock top discharge, turbofan 19 is arranged on total air outlet place, be greatly conducive to windage can recovery.
Energy storage 3 is bladder accumulator, sealing air or nitrogen in its air bag.Be provided with pressure sensor in energy storage 3, energy storage 3 exports connecting fluid pressure motor, and its export pipeline is provided with electromagnetic valve 20 and the 3rd oil outlet one-way valve 17.Brake Energy recovery system, energy recovery system of jolting and windage energy recovery system all pump into hydraulic oil in same energy storage 3, discharge again after accumulating certain energy in energy storage 3, ensure that HM Hydraulic Motor has one section of stable continuous operating time, ensure the reliability to battery charge.
As shown in Figure 2, the driver motor of auxiliary driving motor and automobile is coaxially arranged, and auxiliary driving motor can be connected with driver motor by second clutch in clutch.The auxiliary driving motor most of the time uses as electrical generator, is charged a battery by fluid motor-driven, and when driver motor under power, auxiliary driving motor is connected with driver motor by second clutch, provides power.Driver motor, auxiliary driving motor are permasyn morot.
The recovery of Brake Energy.When electric automobile unclamps, accel control controls first clutch, and the first gear type pump 1 is connected with imput shaft, and imput shaft drives the dynamical axis of the first gear type pump 1 to rotate, and along with the running of the first gear type pump 1, hydraulic oil is constantly pumped in energy storage 3.Hydraulic oil by the first gear type pump 1 oil outlet 1.2 out after, first enter in control cylinder 2.When stepping on brake pedal 9, brake rod 8 promotes brake piston 5 by connecting rod, brake piston 5 hydraulic oil promoted in oil cylinder 4 enters control cylinder 2, oil outlet 1.2 progressively seals by the seal valve block 2.1 in control cylinder 2 under the promotion of hydraulic oil, the pressure at the first gear type pump 1 oil outlet 1.2 place progressively rises, when oil outlet 1.2 is completely enclosed, in first gear type pump 1, oil outlet 1.2 place pressure raises rapidly, the first gear type pump 1 is finally made to stop operating, the imput shaft of automobile also stops operating thereupon, complete brake, namely in brake process, achieve the recovery of energy.Brake rod 8 also connects brake facing assembly 7 by brake cylinder 6, plays assist brake, and when emergency brake, oil outlet 1.2 is closed rapidly by seal valve block 2.1, and brake facing assembly 7 acts on simultaneously, plays the object of braking rapidly.When electronlmobil travels in city, need to brake frequently, therefore, the recovery of Brake Energy is more suitable for city road.
Jolt and can reclaim.Electronlmobil is when rural area, mountain area sections of road, and car body easily jolts.When car body pitches, damping piston 11 in damping type plunger pump 10 is along with moving up and down, and when damping piston 11 moves up, the hydraulic oil in epicoele is pumped in energy storage 3 by the first oil outlet one-way valve 12, meanwhile, hydraulic oil enters in cavity of resorption by the second in line check valve 14; When damping piston 11 moves down, the hydraulic oil in cavity of resorption is pumped in energy storage 3 by the second oil outlet one-way valve 15, and meanwhile, hydraulic oil is entered in epicoele by the first in line check valve 13.Thus the recovery completed the energy that jolts.
The recovery of windage energy.Electronlmobil is when fastlink travels, and produce windage, speed is faster, and windage is larger.Windage promotes turbofan 19 and operates, and the moment of torsion that turbofan 19 produces drives the second gear type pump 18 to run, and hydraulic oil pumps in energy storage 3 through the 3rd in line check valve 16 by the second gear type pump 18, realizes the recovery to windage energy.
After hydraulic oil in energy storage 3 reaches certain pressure, electromagnetic valve 20 is opened, and under the effect of air bag 3.1, hydraulic oil enters HM Hydraulic Motor through the 3rd oil outlet one-way valve 17, and promotes the running of HM Hydraulic Motor.HM Hydraulic Motor drives auxiliary driving motor to operate and generates electricity, and the electric energy of generation is filled with in storage battery.Start when electronlmobil does, accelerate, action of climbing, during driver motor under power, auxiliary driving motor is connected with main drive motor by second clutch, and assisted Extraction is for power.
Claims (10)
1. an electric vehicle energy recovery system, comprise Brake Energy recovery system, it is characterized in that: Brake Energy recovery system comprises first clutch, first gear type pump (1), energy storage and HM Hydraulic Motor, drive in the imput shaft of wheel and first clutch is set, the dynamical axis of the first gear type pump (1) by first clutch can with imput shaft clutch, the oil outlet (1.2) of the first gear type pump (1) connects energy storage (3), energy storage (3) connecting fluid pressure motor, HM Hydraulic Motor connects auxiliary drive motor and fuel tank, auxiliary drive motor connects storage battery, hydraulic oil by fuel tank successively through the first gear type pump (1), energy storage (3), HM Hydraulic Motor forms circulation loop, first clutch is controlled by accel control.
2. electric vehicle energy recovery system according to claim 1, it is characterized in that: described the first gear type pump (1) oil outlet (1.2) place is provided with oil outlet control assembly, oil outlet control assembly comprises oil cylinder (4), control cylinder (2), control cylinder (2) is arranged on oil outlet (1.2) place of the first gear type pump (1), the seal valve block (2.1) can closing oil outlet (1.2) is provided with in control cylinder (2), control cylinder (2) is driven by oil cylinder (4), brake piston (5) is provided with in oil cylinder (4), brake piston (5) connects brake rod (8) by connecting rod, brake rod (8) connects brake pedal (9).
3. electric vehicle energy recovery system according to claim 2, is characterized in that: described brake rod (8) also connects brake cylinder (6), and brake cylinder (6) connects brake facing assembly (7).
4. electric vehicle energy recovery system according to claim 1, it is characterized in that: also comprise energy recovery system of jolting, jolt and recovery system can comprise the damping type plunger pump (10) be arranged on car body, damping type plunger pump (10) connects energy storage (3).
5. electric vehicle energy recovery system according to claim 4, it is characterized in that: in the pump housing of described damping type plunger pump (10), be provided with damping piston (11), all hydraulic oil is full of in the top cavity of damping piston (11) and below cavity, the upper end of damping type plunger pump (10) arranges the first in line check valve (13) respectively, first oil outlet one-way valve (12), the lower end of damping type plunger pump (10) arranges the second in line check valve (14) respectively, second oil outlet one-way valve (15), first in line check valve (13), second in line check valve (14) connects fuel tank by pipeline, first oil outlet one-way valve (12), second oil outlet one-way valve (15) connects energy storage (3) by pipeline.
6. according to the arbitrary described electric vehicle energy recovery system of Claims 1 to 5, it is characterized in that: also comprise windage energy recovery system, windage energy recovery system comprises turbofan (19), second gear type pump (18), Vehicular body front and afterbody arrange air guide hole respectively, two air guide holes are pooled in a main pipe rail by two pipelines, turbofan (19) is arranged on main pipe rail air outlet place, the rotating shaft of turbofan (19) is connected with the dynamical axis of the second gear type pump (18), second gear type pump (18) connects energy storage (3) by the 3rd in line check valve (16).
7. according to the arbitrary described electric vehicle energy recovery system of Claims 1 to 5, it is characterized in that: be provided with pressure sensor in described energy storage (3), energy storage (3) export pipeline is provided with electromagnetic valve (20) and the 3rd oil outlet one-way valve (17).
8. electric vehicle energy recovery system according to claim 7, is characterized in that: described energy storage (3) is bladder accumulator, sealing air or nitrogen in its air bag.
9. electric vehicle energy recovery system according to claim 6, is characterized in that: described auxiliary driving motor and the driver motor of automobile are coaxially arranged, and auxiliary driving motor can be connected with driver motor by second clutch in clutch.
10. electric vehicle energy recovery system according to claim 9, is characterized in that: described driver motor, auxiliary driving motor are permasyn morot.
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| CN201510742944.0A CN105235663B (en) | 2015-11-05 | 2015-11-05 | Electric vehicle energy recovery system |
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| CN201510742944.0A CN105235663B (en) | 2015-11-05 | 2015-11-05 | Electric vehicle energy recovery system |
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| CN105235663A true CN105235663A (en) | 2016-01-13 |
| CN105235663B CN105235663B (en) | 2017-12-29 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106994902A (en) * | 2017-04-11 | 2017-08-01 | 苏州海格新能源汽车电控系统科技有限公司 | A kind of automobile dynamic system and its control method with energy discharge mechanism |
| CN109823201A (en) * | 2018-12-29 | 2019-05-31 | 吴志新 | A kind of compressive charge system and method for electric car brake system storage cylinder |
| CN110816499A (en) * | 2019-11-26 | 2020-02-21 | 荆门禾硕精密机械有限公司 | Method for recovering and converting braking energy into turbine drive |
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| CN105235663B (en) | 2017-12-29 |
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Inventor after: Zhou Lingyan Inventor after: Zhou Gengxin Inventor after: Zhang Xiuying Inventor after: Hua Shuqing Inventor before: Zhou Lingyan Inventor before: Zhou Gengxin Inventor before: Zhang Xiuying |
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Effective date of registration: 20211213 Address after: 256300 East Gaoyuan Road, Luhu Street, Gaoqing County, Zibo City, Shandong Province Patentee after: Zibo Lujia Information Technology Co.,Ltd. Address before: 256300 Room 502, unit 2, building 3, No. 107 Huanghe Road, Gaoqing County, Zibo City, Shandong Province Patentee before: Zhou Lingyan |