CN107131160A - A kind of electric automobile driving energy-storage system and electric automobile - Google Patents
A kind of electric automobile driving energy-storage system and electric automobile Download PDFInfo
- Publication number
- CN107131160A CN107131160A CN201710526689.5A CN201710526689A CN107131160A CN 107131160 A CN107131160 A CN 107131160A CN 201710526689 A CN201710526689 A CN 201710526689A CN 107131160 A CN107131160 A CN 107131160A
- Authority
- CN
- China
- Prior art keywords
- energy
- electric automobile
- hub splines
- accumulator
- jackshaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K25/00—Auxiliary drives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/08—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
Abstract
The invention discloses a kind of electric automobile driving energy-storage system and electric automobile, including：At least one hydraulic cylinder, piston pump and accumulator；Accumulator includes：Jackshaft, spline mother, energy-stored spring and hub splines；Spline mother, jackshaft and energy-stored spring may be contained within the inside of hub splines；Spline mother is coupled by screw thread with jackshaft, is coupled by spline with hub splines；One end of jackshaft couples with car body, and the other end couples with hub splines, and hub splines has the output end with propeller shaft couplings；One end of energy-stored spring connects with spline mother, and the other end couples with hub splines；The two ends difference connection body of hydraulic cylinder and one of vehicle bridge, the piston rod of piston pump, which stretches out, can promote the female movement of spline so that accumulator stores energy, and the piston rod retraction of piston pump can make accumulator release energy.The beneficial effect that the present invention is brought is：The inertia energy of car body can at utmost be utilized.
Description
Technical field
The invention belongs to electric vehicle engineering field, and in particular to a kind of electric automobile driving energy-storage system and electronic vapour
Car.
Background technology
For electric automobile, vehicle is directly driven by motor, slowly starting effect may be used also in flat road surface
With, but if be starting of going up a slope, or it is violent suddenly accelerate, fast starting etc. just occurs that motor overload is operated, make motor,
Automatically controlled, battery, wire produce high temperature, in the course of time, electrical equipment premature aging, and insulation degree declines；And High-current output
Not equivalent to Same Efficieney is exported, and many electric energy all change into high Warm, consumed in vain, and high Warm can also add internal resistance
Greatly, power is reduced.
The high temperature that the output of super-high-current occurs, the generation probability of moment is very high.Because electric automobile exists
Performance construction is upper different with gasoline automobile, and gasoline automobile, which has gearbox to change gear ratio, strengthens torsion, and electric automobile
The slow-speed of revolution of motor, high pulling torque can only be leaned on to realize that low speed is started.But the power source of any mechanical type, is all wanting for high speed
Efficiency than low speed is much higher.Current electric automobile is generally carried using the means of mechanical reducer reduction complete vehicle weight are sacrificed
Long battery life, therefore the particularity and electric controller of motor can only be leaned on to carry out regulation speed, so designer will calculate repeatedly
Between the fast starting run at high speed, accelerated suddenly of flat road surface machine driving number than contradiction.
Co-ordination of the traveling of electric automobile dependent on each electrical equipment, but instantaneous large-current output during quick startup
Latent destruction can be brought to electrical equipment again.Electrical equipment has certain requirement for operating temperature, therefore, for electric automobile
For the designer in field, it is necessary to go to solve this problem.
On the other hand, because car body has larger inertia, therefore any motor vehicles are not good in starting, braking or road conditions
In the case of, can all occur rocking for car body.Existing electric automobile does not consider to return car body inertia energy in design
Receive, thus cause the loss in vain of part energy.
The content of the invention
The technical problems to be solved by the invention are：A kind of electric automobile driving energy-storage system and electric automobile, energy are provided
Enough at utmost utilize the inertia energy of car body.
The present invention's is realized in：A kind of electric automobile driving energy-storage system, including：At least one hydraulic cylinder, work
Fill in pump and accumulator；
Accumulator includes：Jackshaft, spline mother, energy-stored spring and hub splines；Spline is female, jackshaft and energy-stored spring are equal
It is arranged at the inside of hub splines；Spline mother is coupled by screw thread with jackshaft, is coupled by spline with hub splines；Jackshaft
One end couple with car body, the other end couples with hub splines, and hub splines has output end with propeller shaft couplings；Energy storage bullet
One end of spring connects with spline mother, and the other end couples with hub splines；
The two ends difference connection body of hydraulic cylinder and one of vehicle bridge, the piston movement of hydraulic cylinder can be by pressure oil pressure
Enter in piston pump to drive its piston rod to move；The piston rod of piston pump, which stretches out, can promote the female movement of spline so that energy storage
Device stores energy, and the piston rod retraction of piston pump can make accumulator release energy.
Further, in addition to solenoid directional control valve, magnetic valve and power-assisted button；
When accumulator energy storage is finished, electromagnetic switch Vavle switching oil circuit makes hydraulic cylinder oil return；Power-assisted button is triggered by driver
Magnetic valve can be made to open so that piston pump oil return, accumulator exoergic；When accumulator exoergic is finished, closed electromagnetic valve, electromagnetism
Commutation Vavle switching oil circuit makes hydraulic pressure oil supply cylinder.
Further, in addition to driving lever, the first travel switch and the second travel switch；Driving lever can be moved with piston rod,
Driving lever can trigger the first travel switch when piston rod extend out to range, so as to control electromagnetic switch valve events；Piston rod
Driving lever can trigger the second travel switch when resetting retraction, so as to control magnetic valve and solenoid directional control valve to act respectively.
Further, one end of driving lever is spring-hinged to car body.
Further, jackshaft is coupled by unilateral bearing with car body.
Further, the thread helix angle of jackshaft is 30~60 °.
The invention also discloses a kind of electric automobile, including car body, vehicle bridge, power transmission shaft and a kind of driving energy storage of electric automobile
System.
Compared with prior art, the beneficial effect brought of the present invention is：The inertia energy of car body can at utmost be utilized.
Brief description of the drawings
Fig. 1 is the structural representation of a preferred embodiment of the invention；
Structural representations of the Fig. 2 for energy-stored spring in embodiment illustrated in fig. 1 when uncompressed；
Structural representation when Fig. 3 is compressed for energy-stored spring in embodiment illustrated in fig. 1.
Reference：
10 hydraulic cylinders；20 first check valves；30 second check valves；40 driving levers；50 second travel switches；60 the 3rd is unidirectional
Valve；70 first travel switches；80 piston pumps；801 piston rods；90 hub splines；901 output ends；100 splines are female；In the middle of 110
Axle；120 shuttle valves；130 vehicle-mounted hydraulic fuel tanks；140 energy-stored springs；150 unilateral bearings；160 car bodies；170 magnetic valves；180 torsion springs；
190 solenoid directional control valves.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.Following examples are only used for clearly illustrating this
The technical scheme of utility model, and protection domain of the present utility model can not be limited with this.
As shown in Figures 1 to 3, a kind of electric automobile, including Vehicle Controller, car body 160, vehicle bridge, power transmission shaft and electronic vapour
Garage's car energy-storage system.
Electric automobile driving energy-storage system, including：At least one hydraulic cylinder 10, piston pump 80, accumulator, magnetic valve 170,
Solenoid directional control valve 190, power-assisted button, driving lever 40, the first travel switch 70 and the second travel switch 50.
Accumulator includes：Jackshaft 110, spline mother 100, energy-stored spring 140 and hub splines 90；Spline mother 100, centre
Axle 110 and energy-stored spring 140 may be contained within the inside of hub splines 90；Spline mother 100 is coupled by screw thread with jackshaft 110,
Coupled by spline with hub splines 90.The thread helix angle of jackshaft 110 is 30~60 °, and one end of jackshaft 110 passes through list
Couple to bearing 150 with car body 160, the other end couples with hub splines 90, hub splines 90 has defeated with propeller shaft couplings
Go out end 901；One end of energy-stored spring 140 couples with spline mother 100, and the other end couples with hub splines 90.
The rodless cavity of hydraulic cylinder 10 has hydraulic fluid port A and hydraulic fluid port B, and rod chamber has hydraulic fluid port C and hydraulic fluid port D.Piston pump 80 is double
Hair style piston pump 80, one of chamber has hydraulic fluid port E and hydraulic fluid port F, and another chamber has hydraulic fluid port G.Hydraulic fluid port A and hydraulic fluid port C connect respectively
Load hydraulic fuel tank 130 is picked up, and passes through the first check valve 20 and the anti-oil return of the second check valve 30 respectively；Hydraulic fluid port B and hydraulic fluid port D pass through
Shuttle valve 120 connects the hydraulic fluid port E, and passes through the anti-oil return of the 3rd check valve 60.Also set between 3rd check valve 60 and hydraulic fluid port E
Put solenoid directional control valve 190, the oil return opening connection vehicle-mounted hydraulic fuel tank 130 of solenoid directional control valve 190.
The hydraulic fluid port F of piston pump 80 connects vehicle-mounted hydraulic fuel tank 130 by magnetic valve 170, and hydraulic fluid port G is directly connected to vehicle-mounted hydraulic
Fuel tank 130.
The two ends difference connection body 160 and one of vehicle bridge of hydraulic cylinder 10, the piston movement of hydraulic cylinder 10 can be by
So as to drive its piston rod 801 to move in pressure oil press-in piston pump 80；The piston rod 801 of piston pump 80, which stretches out, can promote flower
The movement of key mother 100 is so that accumulator stores energy, and the retraction of piston rod 801 of piston pump 80 can make accumulator release energy.
One end of driving lever 40 is hinged to car body 160 and can abut piston rod 801 by torsion spring 180 so as to piston
Bar 801 is moved, and driving lever 40 can trigger the first travel switch 70 when piston rod 801 extend out to range, so as to control electromagnetism
Reversal valve 190 is acted；Driving lever 40 can trigger the second travel switch 50 when piston rod 801 resets retraction, so as to control magnetic valve
170 and solenoid directional control valve 190 act respectively.
When accumulator energy storage is finished, the switching oil circuit of solenoid directional control valve 190 makes the oil return of hydraulic cylinder 10；Power-assisted button is by driver
Triggering can open magnetic valve 170 so that the oil return of piston pump 80, accumulator exoergic；When accumulator exoergic is finished, magnetic valve
170 close, the switching oil circuit of solenoid directional control valve 190 makes the fuel feeding of hydraulic cylinder 10.
Power-assisted button, magnetic valve 170, solenoid directional control valve 190, the first travel switch 70 and the second travel switch 50 are all connected with
Vehicle Controller, its control principle is prior art, therefore is not repeated.
The operation principle and process of the present invention is as follows：
Vehicle in the process of moving, because of effect of inertia, rock car body 160 by relative vehicle bridge, hydraulic cylinder 10 therefore and constantly to
Pump oil in piston pump 80, so that the end of piston rod 801 constantly promotes the female 100 compressed energy-storage springs 140 of spline, due to screw thread
The mating reaction of connection make it that jackshaft 110 is rotated and hub splines 90 is motionless, and inertia energy of car body 160 is gradually during this
Change into the elastic potential energy of energy-stored spring 140.When piston rod 801 extend out to range, it can be considered that accumulator energy storage is finished,
Now the first travel switch 70 is triggered by the driving lever 40 moved with piston rod 801, the switching oil circuit of solenoid directional control valve 190, hydraulic cylinder
10 no longer into piston pump 80 pump oil but oil return to vehicle-mounted hydraulic fuel tank 130.
When vehicle is in the case where starting or climbing etc. need power-assisted, driver presses power-assisted button, and magnetic valve 170 is acted
Make the oil return of piston pump 80, now spline mother 100 also resets in the presence of energy-stored spring 140.Due to jackshaft 110 and car body
160 are coupled by unilateral bearing 150, therefore jackshaft 110 does not turn, and force spline mother 100 to be rotated with hub splines 90, finally
Drive axis is driven to realize power coupling.
Power-assisted terminates, and piston rod 801 resets retraction, and driving lever 40 triggers the second travel switch 50, and the action of magnetic valve 170 is closed
Oil circuit, the switching oil circuit of solenoid directional control valve 190 makes hydraulic cylinder 10 again to the pump oil of piston pump 80 to carry out second of energy storage.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, some improvement and deformation can also be made, these improve and deformed
Also it should be regarded as protection scope of the present invention.
Claims (7)
- The energy-storage system 1. a kind of electric automobile is driven a vehicle, it is characterised in that：Including：At least one hydraulic cylinder (10), piston pump (80), And accumulator；The accumulator includes：Jackshaft (110), spline female (100), energy-stored spring (140) and hub splines (90)；The flower Key mother (100), jackshaft (110) and energy-stored spring (140) may be contained within the inside of the hub splines (90)；The spline is female (100) coupled by screw thread with the jackshaft (110), coupled by spline with the hub splines (90)；The jackshaft (110) one end couples with car body (160), and the other end couples with the hub splines (90), and the hub splines (90) has With the output end (901) of propeller shaft couplings；One end of the energy-stored spring (140) couples with the spline female (100), the other end Couple with the hub splines (90)；The two ends difference connection body (160) of the hydraulic cylinder (10) and one of vehicle bridge, the piston of the hydraulic cylinder (10) Pressure oil can be pressed into the piston pump (80) to drive its piston rod (801) mobile by motion；The piston pump (80) Piston rod (801) stretch out and the spline female (100) can be promoted mobile so that the accumulator storage energy, the piston Piston rod (801) retraction of pump (80) can make the accumulator release energy.
- 2. a kind of electric automobile driving energy-storage system according to claim 1, it is characterised in that：Also include solenoid directional control valve (190), magnetic valve (170) and power-assisted button；When the accumulator energy storage is finished, solenoid directional control valve (190) the switching oil circuit makes the hydraulic cylinder (10) oil return；It is described Power-assisted button can be such that the magnetic valve (170) opens so that the piston pump (80) oil return, the storage by driver's triggering Can device exoergic；When the accumulator exoergic is finished, the magnetic valve (170) is closed, the solenoid directional control valve (190) switching oil circuit Make the hydraulic cylinder (10) fuel feeding.
- 3. a kind of electric automobile driving energy-storage system according to claim 2, it is characterised in that：Also include driving lever (40), First travel switch (70) and the second travel switch (50)；The driving lever (40) can be mobile with the piston rod (801), described Piston rod (801) when extending out to range the driving lever (40) first travel switch (70) can be triggered, so as to control Solenoid directional control valve (190) action；The driving lever (40) can trigger described second when the piston rod (801) resets retraction Travel switch (50), so as to control the magnetic valve (170) and the solenoid directional control valve (190) to act respectively.
- 4. a kind of electric automobile driving energy-storage system according to claim 3, it is characterised in that：The one of the driving lever (40) End is spring-hinged to the car body (160).
- 5. a kind of electric automobile driving energy-storage system according to claim 1, it is characterised in that：The jackshaft (110) Coupled by unilateral bearing (150) with car body (160).
- 6. according to a kind of any described electric automobile driving energy-storage system of Claims 1-4, it is characterised in that：The centre The thread helix angle of axle (110) is 30~60 °.
- 7. a kind of electric automobile, including car body (160), vehicle bridge and power transmission shaft；It is characterized in that：Also include described in claim 1 A kind of electric automobile driving energy-storage system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710526689.5A CN107131160B (en) | 2017-06-30 | 2017-06-30 | A kind of electric car driving energy-storage system and electric car |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710526689.5A CN107131160B (en) | 2017-06-30 | 2017-06-30 | A kind of electric car driving energy-storage system and electric car |
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| Publication Number | Publication Date |
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| CN107131160A true CN107131160A (en) | 2017-09-05 |
| CN107131160B CN107131160B (en) | 2018-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710526689.5A Active CN107131160B (en) | 2017-06-30 | 2017-06-30 | A kind of electric car driving energy-storage system and electric car |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108263210A (en) * | 2018-01-24 | 2018-07-10 | 南京依维柯汽车有限公司 | A kind of electric vehicle with energy storage assist function |
| CN108357355A (en) * | 2018-01-24 | 2018-08-03 | 南京依维柯汽车有限公司 | A kind of automobile with driving energy-storage function |
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| CN207093474U (en) * | 2017-06-30 | 2018-03-13 | 淄博润承知识产权代理有限公司 | A kind of electric automobile driving energy-storage system and electric automobile |
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| CN201296241Y (en) * | 2008-10-20 | 2009-08-26 | 南京工程学院 | Hydraulic energy braking and energy regeneration device for battery electric vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108263210A (en) * | 2018-01-24 | 2018-07-10 | 南京依维柯汽车有限公司 | A kind of electric vehicle with energy storage assist function |
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| CN108357355B (en) * | 2018-01-24 | 2021-08-27 | 南京依维柯汽车有限公司 | Automobile with driving energy storage function |
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| Publication number | Publication date |
|---|---|
| CN107131160B (en) | 2018-12-25 |
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Effective date of registration: 20181105 Address after: 201700 room 510-1, Lai Gang Road, Qingpu District, Shanghai, 510-1. Applicant after: WM SMART MOBILITY (SHANGHAI) Co.,Ltd. Address before: 510000 Guangdong science and Technology Industrial Development Zone, Guangzhou, 231 and 233 podium B1B2 Building 1, two, three, four Applicant before: BOAO ZONGHENG NETWORK TECHNOLOGY Co.,Ltd. Effective date of registration: 20181105 Address after: 510000 Guangdong science and Technology Industrial Development Zone, Guangzhou, 231 and 233 podium B1B2 Building 1, two, three, four Applicant after: BOAO ZONGHENG NETWORK TECHNOLOGY Co.,Ltd. Address before: 255000 foreign industrial park, Yumin Road, Zibo new high tech Zone, Shandong Applicant before: ZIBO RUNCHENG INTELLECTUAL PROPERTY AGENCY CO.,LTD. |
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