CN2869433Y - Fully automatic clutch device for electric vehicle - Google Patents
Fully automatic clutch device for electric vehicle Download PDFInfo
- Publication number
- CN2869433Y CN2869433Y CN 200520131068 CN200520131068U CN2869433Y CN 2869433 Y CN2869433 Y CN 2869433Y CN 200520131068 CN200520131068 CN 200520131068 CN 200520131068 U CN200520131068 U CN 200520131068U CN 2869433 Y CN2869433 Y CN 2869433Y
- Authority
- CN
- China
- Prior art keywords
- motor
- magnetic powder
- electric vehicle
- powder clutch
- controller
- 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.)
- Expired - Lifetime
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- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The utility model discloses a full automatic clutch of electric vehicle, which comprises battery, motor, controller, electric relay and variable speed gear, the feature of which is that the magnetic powder clutch is arranged between the motor and variable speed gear, the magnetic powder clutch comprises driven part positioned inside driving part and connected with the relay, the electric coils are positioned separately in both ends inside the driving part, the magnetic powder is arranged in space between the electric coil and driving part, the driving part of magnetic powder clutch is connected with shaft of the motor, the driven part of magnetic powder clutch is connected with input shaft of the variable speed gear, the speed sensor is arranged on the input shaft, the controller is connected with separately the motor, speed sensor and relay. The maximum feature of this utility model is to control rapidly the motor rotation speed by tracking the rotation speed of driven part in magnetic powder clutch and to realize rapid and smooth clutch with save energy and driving comfort.
Description
Technical field
The utility model belongs to the critical component class of haulage vehicle, relates in particular to the full-automatic on-off device that has level or stepless speed changes devices to be used with electric vehicle.
Background technique
In recent years, because the pressure of the exhausted day by day and environmental protection of petroleum resources, the exploitation of electric vehicle has become the emphasis of automotive industry research and development.The characteristics of electric vehicle maximum are to adopt motor as power source, the motor that modern electric vehicle adopts has that rotating speed height, starting torque are big, the characteristics of electric machine controller speed-regulating range width, therefore, for simplified structure and reducing cost, most electric vehicle all utilizes the governor control characteristics of motor and electric machine controller only to adopt the retarder of fixed speed ratio, and has cancelled clutch and speed changer.But this configuration has brought following drawback:
(1) efficient is low and shorten working life of motor and electric machine controller.Motor is in the low cruise district when the electric vehicle starting is quickened, efficiency of motor is very low.Particularly the electric vehicle great majority are used for the city transportation, starting is quickened very frequent, and average speed is very low, and the electric vehicle with fixed speed ratio all moves with extremely low efficient in low velocity zone under the overwhelming majority's situation, has shortened the continual mileage of electric vehicle greatly.Simultaneously, long-term low-speed running will cause motor overheating, shortens the working life of motor and electric machine controller.
(2), improved the cost of motor and electric machine controller greatly to the requirement height of motor and electric machine controller.Adopt the electric vehicle of fixed speed ratio to require motor to provide higher instantaneous torque, generally all will reach 3～5 times of nominal torque, to satisfy the needs of starting and max. climb slope at Heng Zhuanjuqu; Providing high rotational speed at Heng Gongshuaiqu, generally is 3～5 times of base speed, to satisfy the needs of highest speed.Such motor and electric machine controller all will improve the cost of motor and electric machine controller greatly by special design and manufacturing.
Need the electric drive system of electric vehicle can speed change in order to eliminate these drawbacks, but, the starting torque of motor characteristics big and speed-regulating range width make the easier realization of electric automobile gear, particularly tracking and the control ratio motor to rotating speed of motor will be easy to many, in order to cooperate electric vehicle that the use of level or stepless speed changes devices is arranged, at present, be badly in need of a kind of new type auto engaging and disengaging gear that adapts to the development of electric vehicle field of exploitation.
The model utility content
The purpose of this utility model provides the automatic clutch device that a kind of electric automobile gear device is used, and this engaging and disengaging gear need not the driver operation, with the accelerator pedal interlock, realizes full-automatic on-off, is fit to all electric vehicles.Maximum characteristics of the present utility model are to come the quick control rotating speed of motor by the rotating speed of following the tracks of the magnetic powder clutch driven member, make the master and slave moving part of magnetic powder clutch keep synchronously, realize the quick and steady clutch that gets, the wearing and tearing and the heating of clutch have been reduced, the promptly energy-conservation driving comfortability that improved again.
The utility model is used for the technological scheme that the full-automatic on-off device of electric vehicle is achieved: comprise storage battery, motor, controller, relay and speed change gear, it is characterized in that, between described motor and speed change gear, be provided with magnetic powder clutch, described magnetic powder clutch comprises and is arranged on driving link inside, and the driven member that is connected with described relay, the inboard two ends of described driving link are respectively arranged with coil, place, slit between described coil and the driven member is provided with magnetic, the driving link of described magnetic powder clutch is connected with the axle of described motor, described magnetic powder clutch driven member is connected with the input shaft of described speed change gear, described input shaft is provided with speed probe, and described controller connects respectively and motor, speed probe is connected with relay.
The utility model is used for the full-automatic on-off device of electric vehicle, and wherein, described controller and electric vehicle controller and speed change gear controller are integrated structure.Being connected to of axle of the driving link of described magnetic powder clutch and described motor is rigidly connected.Described magnetic powder clutch driven member and being connected to of described speed change gear input shaft are rigidly connected.Described controller is connected with vehicle accelerator pedal.Described storage battery is 12V or 24V low pressure storage battery.
Compared with prior art, the beneficial effect that the utility model had is:
(1) this device is owing to make full use of the quick governor control characteristics of motor, makes just to carry out clutch after the master and slave moving part basic synchronization of magnetic powder clutch that this device and traditional clutch comparison have stable drive, frictional heating is little and wear and tear little significant advantage; Have energy-saving effect and the life-span that has significantly improved clutch preferably.
(2) this device and accelerator pedal interlock need not the driver operation, have alleviated the technical difficulty and the labor intensity of driver, have improved the travelling comfort of driving.
(3 put and have adopted magnetic powder clutch, with the friction plate clutch of orthodox car relatively, the torque control range is wide, control accuracy is high, the response that is swift in motion is fast, transmitting torque is big.
Description of drawings
Accompanying drawing is the structured flowchart that the utility model is used for the full-automatic on-off device of electric vehicle.
Be the explanation of reference character in the utility model Figure of description below:
1---speed change gear 2---speed probe 3---controller
4---magnetic powder clutch 5---motor 6---axles of motor
7---driving link 8---coil 9---storage batterys
10---relay 11---magnetic 12---driven members
13---input shaft
Embodiment
Below in conjunction with accompanying drawing the utility model is done and to be described in further detail.
As shown in drawings, the full-automatic on-off device that the utility model is used for electric vehicle mainly comprises speed change gear 1, speed probe 2, controller 3, magnetic powder clutch 4, motor 5,12V or 24V low pressure storage battery 9, relay 10 parts such as grade; Described magnetic powder clutch 4 is arranged between described speed change gear 1 and the motor 5; Described magnetic powder clutch 4 is mainly by driving link 7, coil 8, compositions such as magnetic 11 and driven member 12; Driven member 12 is arranged on driving link 7 inside and is connected with described relay 10, the two ends of described driving link 12 inboards are respectively arranged with coil 8, place, slit between described coil 8 and the driven member 12 is provided with magnetic 11, the driving link 7 of described magnetic powder clutch 4 is rigidly connected with the axle 6 of described motor 5, the driven member 12 of described magnetic powder clutch 4 is rigidly connected with the input shaft 13 of described speed change gear 1, described speed change gear 1 is provided with speed probe 2, and described controller 3 is connected with vehicle accelerator pedal, speed probe 2, motor 5 and relay 10 respectively.
The working procedure that the utility model is used for the full-automatic on-off device of electric vehicle is: because controller 3 is connected with speed probe 2 with vehicle accelerator pedal respectively, therefore, after controller 3 obtains the signal of accelerator pedal, at first obtain the tach signal of the input shaft 13 of speed change gear 1, promptly adjust the rotating speed of motor 5 then according to this rotating speed, make the driving link 7 and driven member 12 basic synchronization of magnetic powder clutch 4, at this moment, controller 3 comes control coil 8 conductings or disconnection by control relay 10 again, and then pass through magnetic 11 and control the combination or the disconnection of magnetic powder clutch 4, thereby realize full-automatic on-off function of the present utility model.
Need to prove the utility model in practice, controller 3 wherein can integrate with the electric machine controller and the speed change gear controller of electric vehicle, and hardware is shared, realizes the function that the three is different by software.
Although in conjunction with the accompanying drawings preferred embodiment of the present utility model is described above; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment only is schematic; rather than it is restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; not breaking away under the scope situation that the utility model aim and claim protect, can also make a lot of forms, these all belong within the protection of the present utility model.
Claims (7)
1. full-automatic on-off device that is used for electric vehicle, comprise storage battery, motor, controller, relay and speed change gear, it is characterized in that, between described motor and speed change gear, be provided with magnetic powder clutch, described magnetic powder clutch comprises and is arranged on driving link inside, and the driven member that is connected with described relay, the inboard two ends of described driving link are respectively arranged with coil, place, slit between described coil and the driven member is provided with magnetic, the driving link of described magnetic powder clutch is connected with the axle of described motor, described magnetic powder clutch driven member is connected with the input shaft of described speed change gear, described input shaft is provided with speed probe, and described controller connects respectively and motor, speed probe is connected with relay.
2. according to the described full-automatic on-off device that is used for electric vehicle of claim 1, wherein, described controller and electric vehicle controller and speed change gear controller are integrated structure.
3. according to the described full-automatic on-off device that is used for electric vehicle of claim 1, wherein, being connected to of axle of the driving link of described magnetic powder clutch and described motor is rigidly connected.
4. according to the described full-automatic on-off device that is used for electric vehicle of claim 1, wherein, described magnetic powder clutch driven member and being connected to of described speed change gear input shaft are rigidly connected.
5. according to the described full-automatic on-off device that is used for electric vehicle of claim 1, wherein, described controller is connected with vehicle accelerator pedal.
6. according to the described full-automatic on-off device that is used for electric vehicle of claim 1, wherein, described storage battery is a 12V low pressure storage battery.
7. according to the described full-automatic on-off device that is used for electric vehicle of claim 1, wherein, described storage battery is a 24V low pressure storage battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520131068 CN2869433Y (en) | 2005-12-31 | 2005-12-31 | Fully automatic clutch device for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520131068 CN2869433Y (en) | 2005-12-31 | 2005-12-31 | Fully automatic clutch device for electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2869433Y true CN2869433Y (en) | 2007-02-14 |
Family
ID=37724369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520131068 Expired - Lifetime CN2869433Y (en) | 2005-12-31 | 2005-12-31 | Fully automatic clutch device for electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2869433Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103711810A (en) * | 2013-11-13 | 2014-04-09 | 重庆广播电视大学 | Electronic control bilateral overrun clutch |
-
2005
- 2005-12-31 CN CN 200520131068 patent/CN2869433Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103711810A (en) * | 2013-11-13 | 2014-04-09 | 重庆广播电视大学 | Electronic control bilateral overrun clutch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070214 |
|
| EXPY | Termination of patent right or utility model |