CN107187286A - A kind of semi-active suspension damping adjustment device used for electric vehicle - Google Patents
A kind of semi-active suspension damping adjustment device used for electric vehicle Download PDFInfo
- Publication number
- CN107187286A CN107187286A CN201710332296.0A CN201710332296A CN107187286A CN 107187286 A CN107187286 A CN 107187286A CN 201710332296 A CN201710332296 A CN 201710332296A CN 107187286 A CN107187286 A CN 107187286A
- Authority
- CN
- China
- Prior art keywords
- cvt
- input shaft
- output shaft
- generator
- semi
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
- B60G13/14—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers accumulating utilisable energy, e.g. compressing air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/06—Characteristics of dampers, e.g. mechanical dampers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
- F03G7/08—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for recovering energy derived from swinging, rolling, pitching or like movements, e.g. from the vibrations of a machine
Abstract
The present invention relates to automobile energy-saving technical field of emission reduction, more particularly to a kind of semi-active suspension damping adjustment device used for electric vehicle, including the screw machanism being connected with body of a motor car, CVT input shaft is connected with below screw machanism, the up-down vibration of body of a motor car is converted into the rotation of CVT input shaft by screw machanism, also include generator, generator is connected with CVT output shaft, connected between CVT input shaft and CVT output shaft by stepless speed change device, the present invention is combined using dc generator with belt-type stepless speed control apparatus, by adjusting regulation of the speed of belt-type stepless speed control apparatus than realizing suspension damping, continuously adjusting for damping can be achieved, improve the ride comfort of running car.
Description
Technical field
The present invention relates to automobile energy-saving technical field of emission reduction, more particularly to a kind of semi-active suspension damping used for electric vehicle is adjusted
Regulating device.
Background technology
With car ownership continue to increase and country for energy-conserving and environment-protective requirement raising, automotive energy-saving emission-reducing into
The matter of utmost importance faced for development of automobile industry.Electric automobile has become pair of state key development because of the advantage of its zero-emission
As, but its development is limited the problem of automobile charging interval length and its relatively short distance travelled and is applied.If can be by
In vehicle traveling process, the vibrational energy of vehicle body is recycled, it will is effectively lifted its distance travelled, and then is improved automobile
Economy.
Currently, automobile suspension system is often outstanding using the regulation of the conventional dampers such as hydraulic buffer or magneto-rheological vibration damper
Damping force is continuously adjusted under the damping force of frame system, automobile difference operation road conditions difficult to realize, while vehicle body is moved up and down
Vibrational energy be converted into thermal energy consumption and fall, be unfavorable for vehicle economy can raising.
The content of the invention
It can not be continuously adjusted to solve the automotive suspension damping present in prior art, body vibrations energy can not be reclaimed
The defect utilized, present invention offer is a kind of to realize that damping force continuously adjusts and realizes half master used for electric vehicle of vibration energy regeneration
Dynamic suspension damping adjusting means.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of semi-active suspension damping adjustment device used for electric vehicle, including the screw machine being connected with body of a motor car
CVT input shaft is connected with below structure, described screw machanism, screw machanism changes the up-down vibration of body of a motor car
Into the rotation of CVT input shaft, in addition to generator, described generator is connected with CVT output shaft, CVT input shaft and CVT outputs
Connected between axle by stepless speed change device.
Further, described screw machanism include with body of a motor car fix threaded nut and with threaded nut spiral shell
The spiral screw rod of line connection, described spiral screw rod is fixedly connected with CVT input shaft.
Further, described stepless speed change device includes the main belt wheel disc group being connected with CVT input shaft and defeated with CVT
The driven belt wheel disc group of shaft connection, is provided with drive V-belt between described main belt wheel disc group and driven belt wheel disc group.
Further, described main belt wheel disc group includes driving pulley price fixing and driving pulley Moving plate, and described CVT is defeated
Enter axle and driving pulley price fixing is fixed, driving driving pulley Moving plate is connected with described driving pulley Moving plate axially movable
First driving means, described driven belt wheel disc group includes driven pulley price fixing and driven pulley Moving plate, described CVT output shaft
Fixed with driven pulley price fixing, second of driving driven pulley Moving plate axially movable is connected with described driven pulley Moving plate
Drive device.
Further, the output shaft of described generator is connected by shaft coupling with CVT output shaft.
Beneficial effect：
(1) present invention is combined using dc generator with belt-type stepless speed control apparatus, by adjusting Belt-type Adjustable-speed
Regulation of the speed of device than realizing suspension damping, can be achieved continuously adjusting for damping, improves the ride comfort of running car；
(2) present invention can realize the recycling of body vibrations energy using dc generator, can improve electric automobile
Economy, so as to improve the distance travelled of electric automobile.
Brief description of the drawings
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is the semi-active suspension damping adjustment device structural representation of the present invention；
Fig. 2 is the dc generator circuit diagram of the present invention.
Wherein, 1, generator, 2, generator output shaft, 3, shaft coupling, 4, driven pulley price fixing, 5, driven pulley Moving plate,
6th, CVT output shaft, 7, drive V-belt, 8, CVT input shaft, 9, driving pulley Moving plate, 10, driving pulley price fixing, 11, threaded nut,
12nd, spiral screw rod, 13, body of a motor car.
Embodiment
A kind of semi-active suspension damping adjustment device used for electric vehicle, including the screw machine being connected with body of a motor car 13
CVT input shaft 8 is connected with below structure, screw machanism, the up-down vibration of body of a motor car 13 is converted into by screw machanism
The rotation of CVT input shaft 8, in addition to generator 1, generator 1 are connected with CVT output shaft 6, CVT input shaft 8 and CVT output shaft 6
Between connected by stepless speed change device.Specifically, the generator output shaft 2 of generator 1 passes through shaft coupling 3 and CVT output shaft 6
Connection.
Screw machanism includes what is be threadedly coupled with the threaded nut 11 of the fixation of body of a motor car 13 and with threaded nut 11
Spiral screw rod 12, spiral screw rod 12 is fixedly connected with CVT input shaft 8.Screw rod can also be fixedly connected with using body of a motor car 13,
The form of the fixing nut of CVT input shaft 8, as long as the up-down vibration of body of a motor car 13 can be converted into the taenidium of CVT input shaft
Thick stick mechanism.
Stepless speed change device include the main belt wheel disc group being connected with CVT input shaft 8 and be connected with CVT output shaft 6 from
Movable belt pulley disk group, is provided with drive V-belt 7 between main belt wheel disc group and driven belt wheel disc group.
Main belt wheel disc group includes driving pulley price fixing 10 and driving pulley Moving plate 9, and CVT input shaft 8 and driving pulley are fixed
Disk 10 is fixed, and driving driving pulley 9 first driving means axially movable of Moving plate are connected with driving pulley Moving plate 9, driven
Pulley sheaves group includes driven pulley price fixing 4 and driven pulley Moving plate 5, and CVT output shaft 6 and driven pulley price fixing 4 are fixed, driven belt
Driving driven pulley 5 the second drive device axially movable of Moving plate is connected with wheel Moving plate 5.
CVT is variable transmission, and V-arrangement is formed between driving pulley price fixing 10 of the invention and driving pulley Moving plate 9
Groove, driven pulley price fixing 4 and driven pulley Moving plate 5 also form V-shaped groove, and drive V-belt 7 is stuck in V-shaped groove, works as first driving means
When driving driving pulley Moving plate 9 close to driving pulley price fixing 10, drive V-belt 7 is pushed outwardly, the radius of clean-up of main belt wheel disc
Become big, when first driving means driving driving pulley Moving plate 9 is away from driving pulley price fixing 10, drive V-belt 7 is inwardly moved, main
The radius of clean-up of movable belt pulley disk diminishes, similarly, and the radius of clean-up of driven belt wheel disc group is also so to adjust, so as to realize transmission
The adjustment of ratio.
Dc generator load torque and the relation of corner are：
Load torque:
Wherein, KeAnd KtGenerator torque and rotating speed constant, load torque τ are represented respectivelyiFor producing semi-active suspension
Damping force, θ represents motor corner, RintAnd RloadThe internal resistance of generator and the resistance of charging load are represented respectively.
The power that vehicle body up-down vibration is acted on screw：
Wherein,
Aggregative formula (4), (5) and (6), can obtain the relative velocity of the power and vehicle body acted on screw and add
The relation of speed is as follows：
In formula, Jm,And JaGenerator output shaft, stepless speed change device output shaft, variable speed dress are represented respectively
Put the rotary inertia of input shaft and screw screw rod；Z is the relative motion of vehicle body opposing tire；RsAnd RpNothing is represented respectively
The radius of clean-up of level speed change gear driven pulley and driving pulley；P is the pitch of screw.
The kinetics equation of semi-active suspension system comprising the damping adjustment device and spring is as follows：
It, which is simplified, to obtain：
Wherein：
Yt=mY ω2.m it is spring carried mass
The rigidity of K bearing springs.
It can be seen that by formula (9), the tune of suspension damping power can be realized by controlling the speed of belt-type stepless speed control apparatus to compare
Section；And the regulation of the fast ratio of belt-type stepless speed control apparatus, can be real using single direct current generator and its corresponding transmission executing agency
It is existing.
The present invention uses dc generator, the up-down vibration energy of automobile can be converted into electric energy, is stored into inside battery,
And energy is provided for electric automobile during traveling, lift the distance travelled of electric automobile.
It should be appreciated that specific embodiment described above is only used for explaining the present invention, it is not intended to limit the present invention.By
Among the obvious changes or variations that the spirit of the present invention is extended out is still in protection scope of the present invention.
Claims (5)
1. a kind of semi-active suspension damping adjustment device used for electric vehicle, it is characterised in that:Including being connected with body of a motor car (13)
Screw machanism, be connected with CVT input shaft (8) below described screw machanism, screw machanism is by Automobile
The up-down vibration of body (13) is converted into the rotation of CVT input shaft (8), in addition to generator (1), described generator (1) connection
There is CVT output shaft (6), connected between CVT input shaft (8) and CVT output shaft (6) by stepless speed change device.
2. a kind of semi-active suspension damping adjustment device used for electric vehicle according to claim 1, it is characterised in that:It is described
Screw machanism include the threaded nut (11) fixed with body of a motor car (13) and be threadedly coupled with threaded nut (11)
Spiral screw rod (12), described spiral screw rod (12) is fixedly connected with CVT input shaft (8).
3. a kind of semi-active suspension damping adjustment device used for electric vehicle according to claim 1, it is characterised in that:It is described
Stepless speed change device include the main belt wheel disc group being connected with CVT input shaft (8) and be connected with CVT output shaft (6) it is driven
Pulley sheaves group, is provided with drive V-belt (7) between described main belt wheel disc group and driven belt wheel disc group.
4. a kind of semi-active suspension damping adjustment device used for electric vehicle according to claim 3, it is characterised in that:It is described
Main belt wheel disc group include driving pulley price fixing (10) and driving pulley Moving plate (9), described CVT input shaft (8) and active
Belt wheel price fixing (10) is fixed, and driving driving pulley Moving plate (9) is connected with described driving pulley Moving plate (9) axially movable
First driving means, described driven belt wheel disc group includes driven pulley price fixing (4) and driven pulley Moving plate (5), described CVT
Output shaft (6) and driven pulley price fixing (4) are fixed, and driving driven pulley Moving plate is connected with described driven pulley Moving plate (5)
(5) the second drive device axially movable.
5. a kind of semi-active suspension damping adjustment device used for electric vehicle according to claim 1, it is characterised in that:It is described
The generator output shaft (2) of generator (1) be connected by shaft coupling (3) with CVT output shaft (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710332296.0A CN107187286A (en) | 2017-05-12 | 2017-05-12 | A kind of semi-active suspension damping adjustment device used for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710332296.0A CN107187286A (en) | 2017-05-12 | 2017-05-12 | A kind of semi-active suspension damping adjustment device used for electric vehicle |
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| Publication Number | Publication Date |
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| CN107187286A true CN107187286A (en) | 2017-09-22 |
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ID=59872569
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710332296.0A Pending CN107187286A (en) | 2017-05-12 | 2017-05-12 | A kind of semi-active suspension damping adjustment device used for electric vehicle |
Country Status (1)
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| CN (1) | CN107187286A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102627063A (en) * | 2012-03-05 | 2012-08-08 | 江苏大学 | Real-time control device and real-time control method for motion direction of electromagnetic energy-regeneration semi-active suspension |
| CN102644567A (en) * | 2011-02-17 | 2012-08-22 | 黄盛华 | Vibration energy utilization device |
| CN104210324A (en) * | 2014-08-18 | 2014-12-17 | 浙江大学 | Device for automatically adjusting damping ratio of automobile suspension system |
| CN204419973U (en) * | 2015-01-29 | 2015-06-24 | 西安科技大学 | A kind of energy magneto-rheological vibration damper |
| CN106194620A (en) * | 2015-05-03 | 2016-12-07 | 周晓明 | The vehicle-mounted vibration energy electromotor that jolts |
-
2017
- 2017-05-12 CN CN201710332296.0A patent/CN107187286A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102644567A (en) * | 2011-02-17 | 2012-08-22 | 黄盛华 | Vibration energy utilization device |
| CN102627063A (en) * | 2012-03-05 | 2012-08-08 | 江苏大学 | Real-time control device and real-time control method for motion direction of electromagnetic energy-regeneration semi-active suspension |
| CN104210324A (en) * | 2014-08-18 | 2014-12-17 | 浙江大学 | Device for automatically adjusting damping ratio of automobile suspension system |
| CN204419973U (en) * | 2015-01-29 | 2015-06-24 | 西安科技大学 | A kind of energy magneto-rheological vibration damper |
| CN106194620A (en) * | 2015-05-03 | 2016-12-07 | 周晓明 | The vehicle-mounted vibration energy electromotor that jolts |
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Application publication date: 20170922 |
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