CN203198733U - Electric vehicle power unit - Google Patents
Electric vehicle power unit Download PDFInfo
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- CN203198733U CN203198733U CN 201220571446 CN201220571446U CN203198733U CN 203198733 U CN203198733 U CN 203198733U CN 201220571446 CN201220571446 CN 201220571446 CN 201220571446 U CN201220571446 U CN 201220571446U CN 203198733 U CN203198733 U CN 203198733U
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Abstract
An electric vehicle power unit relates to a power device of an electric vehicle, wherein a control circuit and an actuating mechanism thereof utilize a real-time torque signal which is measured by a sensor on a power motor that is provided with the sensor for controlling a transmission ratio between a transmission mechanism and a gearshift mechanism and output power of the power motor, so as to obtain optical matching between the power and the load in operation. The electric vehicle power unit has the following functions: facilitating integration and intelligentization of the electric vehicle power unit; facilitating equipment volume reduction of the electric vehicle power unit; facilitating manufacturing cost and weight reduction of the equipment, and facilitating sufficient utilization of an on-vehicle power supply.
Description
Technical field
The utility model relates to battery-driven car power field and from the electromechanical appliance of belt sensor and the application of correlation technique thereof.
Background technology
Automobile power generally adopts combustion engine and passes through change speed gear box (many gears speed change or automatic speed changing) the driving wheel of mechanism's complexity.Usually, combustion engine and change speed gear box that people will be combined in one are called power unit, also have combustion engine, change speed gear box and box of tricks combined to be referred to as power unit.
Strengthen day by day along with people economize on resources, protect the consciousness of environment and low-carbon economy, electronlmobil receives the concern of the whole society.But, because the technology of aspects such as accumulate technology and device, power unit and control thereof does not reach the degree of desirable (do not reach as yet make numerous personages are satisfied maybe can be accepted) as yet, influenced popularizing of electronlmobil.
For example, in order to save cost, to alleviate the weight of battery-driven car, usually adopt better simply automatic transmission with hydraulic torque converter, even directly adopt the retarder (single speed transmission) of constant speed ratio, it is not ideal enough to be doomed the battery-driven car tractive performance like this, also will propose special high request (this also will increase technical difficulty and increase manufacturing cost) to power motor performance and control setup thereof simultaneously.
People wish that urgently above-mentioned technology has new breakthrough.
Summary of the invention
The purpose of this utility model is to propose a kind of battery-driven car power unit that can improve power and load matching performance.
A kind of battery-driven car power unit described in the utility model comprises:
One carries the power motor of torque sensor;
One transmission and speed-changing mechanism;
One box of tricks;
One control circuit and actuating unit thereof;
An or part wherein.
It is characterized in that:
Real-time torque (moment of torsion) signal that control circuit of the present utility model and the sensor of actuating unit utilization on the power motor of belt sensor thereof record is regulated and control the transmitting ratio of transmission and speed-changing mechanism and the horsepower output of power motor, to obtain power and to load on operating optimum matching.
Carry on the motor shaft of torque sensor and settled brake equipment.
Carry on the motor shaft of torque sensor and settled two-way anti-kickback device (two-way backstop), it turns to reciprocal installation by two unidirectional stop devices (free-wheel clutch), and selects and anti-the turning to of reversing of control by power-transfer clutch or steady arm (chain wheel steady arm or fluted disc steady arm); Two-way backstop also can be placed on arbitrary axle of transmission and speed-changing mechanism.Battery-driven car adopts motor positive and inverse to drive advancing of vehicle usually or moves backward, and settles two-way backstop can make vehicle no matter all can not produce the sloping phenomenon of slide when going up a slope starting or upward slope reversing.
The speed-changing mechanism of transmission and speed-changing mechanism can be the speed-changing mechanism of any kind.
Transmission and speed-changing mechanism are recommended to adopt based on planetary gear system and the stepless speed changing mechanism regulated and control with motor, and this stepless speed changing mechanism also can be applied to other vehicle or other need use occasion or the field of stepless change transmission.
Control circuit and actuating unit thereof can be regulated the power of main motor and the transmitting ratio of transmission and speed-changing mechanism according to the real-time torque parameter of power motor and regulation and control motors (or one of them) and the gear of driver's operating and controlling vehicle, the situation of control speed pedal, make power and load on operating realization optimum matching; Can be by realizing reducing the effect that transmitting ratio improves the speed of a motor vehicle to regulation and control motor transmission of electric energy and the mode that increases power; Also can make adjusting regulation and control motor generation drag torque regulate transmitting ratio to the modes such as amount (or part mode wherein) of power supply feedback energy by braking, output short-circuit, the control of adjusting silicon controlled conduction angle; Can control simultaneously the regulation and control motor in the process of regulating transmitting ratio to power supply feedback energy (electric weight).
Also adopt the motor that carries torque sensor based on planetary gear system and with the regulation and control motor of the stepless speed changing mechanism of motor regulation and control.
Having settled brake equipment and backstop on planetary gear system and the regulation and control motor with the stepless speed changing mechanism of motor regulation and control, or one of them.
Based on planetary gear system and form drag torque with the regulation and control motor of the stepless speed changing mechanism of motor regulation and control by the mode to power supply feedback electric weight and regulate transmitting ratio (rather than utilize frictional heating or resistance power consumption heating to wait to form the mode of speed control of drag torque, can take full advantage of vehicle-mounted electric energy like this and reduce machinery or the heating of electric component); And can be by realizing reducing the effect that transmitting ratio improves the speed of a motor vehicle to regulation and control motor transmission of electric energy and the mode that increases auxiliary power.
The motor that carries torque sensor in the utility model application number that to be me propose to State Patent Office is one of application of " carrying the electromechanical appliance of torque sensor " patented technology of 201220489310.0 and 201210357726.1.
The utility model is compared with prior art and is had the following advantages:
Sensor on the power motor of belt sensor records real-time torque (moment of torsion) signal and regulates and control based on planetary gear system and with the transmitting ratio of the stepless speed changing mechanism (transmission and speed-changing mechanism) of motor regulation and control and the horsepower output of power motor, to obtain power and to load on operating optimum matching the utility model by control circuit and actuating unit utilization thereof.And use " electromechanical appliance that carries torque sensor " and will be conducive to the integrated and intelligent of battery-driven car power unit based on planetary gear system and with the technology of the stepless speed changing mechanism of motor regulation and control, be conducive to manufacturing cost and weight that the battery-driven car power unit reduces equipment volume, is conducive to reduce equipment, be conducive to take full advantage of vehicular energy and reduce machinery or the electric component heating.
Description of drawings
Fig. 1 is the signal that transmission of the present utility model and speed-changing mechanism have disposed the two-shift automatic variable speed device of two-stage planet
Fig. 2 is that transmission of the present utility model and speed-changing mechanism have disposed the planetary signal of single speed
Fig. 3 is the signal that transmission of the present utility model and speed-changing mechanism have disposed single group of planetary wheel motor regulation and control automatic stepless speed change
Fig. 4 also is the signal that transmission of the present utility model and speed-changing mechanism have disposed single group of planetary wheel motor regulation and control automatic stepless speed change
Fig. 5 is the regulation and control signal that transmission of the present utility model and speed-changing mechanism have disposed two groups of planetary wheel motor regulation and control automatic stepless speed changes
Fig. 6 is the signal of two-way anti-kickback device structure and application
Among the figure:
The 1st, carry the power motor of torque sensor
1-D is power motor
1-1 is torque sensor
1-2 is two-way anti-kickback device
1-3 is drg
The 2nd, transmission and speed-changing mechanism
C1 is first order compound planet gear
C2 is second stage compound planet gear
2-L1 is the drg (or power-transfer clutch) of automatic speed changing first order planetary wheel fluted disc
2-L2 is the drg (or power-transfer clutch) of automatic speed changing second stage planetary wheel fluted disc
2-D is the regulation and control motors
2-D-1 is the torque sensor of regulation and control motor
2-D-2 is the backstop of regulation and control motor
2-D-3 is the drg of regulation and control motor
2-D-4 is the speed reduction gearing of regulation and control motor
The 3rd, box of tricks
The 4th, control circuit and actuating unit thereof
4-B is the step-up transformer of regulation and control motor output power
4-J is the short circuiting switch of the big drag torque of regulation and control motor output
4-K is the change-over swith of conversion regulation and control motor output or input
4-T is that the drag torque of adjusting regulation and control motor and the silicon control of rotating speed (are controlled to power supply by the regulation and control conduction angle
The amount of feedback energy is regulated and control)
4-Z is rectifying circuit
1. be the power lead negative pole point of connection of control circuit and actuating unit thereof
2. be the anodal point of connection of power lead of control circuit and actuating unit thereof
3. be that control circuit and actuating unit thereof are exported one of power connection points of electric weight to the regulation and control motor
4. be that control circuit and actuating unit thereof are exported one of power connection points of electric weight to the regulation and control motor
5. be the SCR control line point of connection of control circuit and actuating unit thereof
6. be the control line point of connection of the 4-K of control circuit and actuating unit thereof
7. be the control line point of connection of the 4-J of control circuit and actuating unit thereof
8. be the control line point of connection of the regulation and control electromotor brake of control circuit and actuating unit thereof
9. be the control line point of connection of the regulation and control motor backstop of control circuit and actuating unit thereof
10. be the signal wire (SW) point of connection of the regulation and control motor torque sensor of control circuit and actuating unit thereof
It is one of power motor electric power input-output line point of connection
It is the signal wire (SW) point of connection of power motor torque sensor
It is the control line point of connection of the brake equipment of power motor axle
E is the power supply of battery-driven car
K is the main supply switch of electric vehicle power sources
M is electric motor vehicle gears (automatic transmission) steady arm
T is the control speed pedal (Das Gaspedal) of battery-driven car
Z is the brake pedal (brake pedal) of battery-driven car
Among Fig. 6:
(za) be the signal of the backstop of the axle cw commentaries on classics in the two-way backstop
(zb) be the signal of the backstop of the axle conter clockwise commentaries on classics in the two-way backstop
(zc) be the wherein structural upright signal of a part of two-way backstop
+ signal that a) to be motor shaft cw backstop change at the motor shaft cw
-signal that a) to be motor shaft conter clockwise backstop change at the motor shaft conter clockwise
+ non-return signal that b) to be motor shaft cw backstop change at the motor shaft conter clockwise
-non-return signal that b) to be motor shaft conter clockwise backstop change at the motor shaft cw
Amplify the part of+non-return signal that c) to be motor shaft cw backstop change at the motor shaft conter clockwise
Amplify the part of-non-return signal that c) to be motor shaft conter clockwise backstop change at the motor shaft cw
Z1 is the interior ring of backstop, and it directly is placed in the axle of motor and goes up (or alternative with motor shaft)
Z2 is non-return contract piece
Z3 is the outer shroud of backstop, and it directly is placed on power-transfer clutch or the steady arm
The specific embodiment
Below in conjunction with accompanying drawing, the utility model will be further described by embodiment:
Embodiment one:
Shown in Figure 1 is the example that transmission of the present utility model and speed-changing mechanism have disposed the two-shift automatic variable speed of two-stage planet (C1 and C2).This example obtains the output torque data of power motor by the torque sensor 1-1 on the power motor 1 that carries torque sensor, and whether realize automatic speed changing (2-L1 is opposite with the 2-L2 mode of operation) according to the work of the drg 2-L2 of the drg 2-L1 of this Data Control automatic speed changing first order planetary wheel fluted disc and second stage planetary wheel fluted disc, thereby regulate the torque of electric bicycle drive wheel.This is aly to be made up of and by the sound of control first order planetary wheel C1 fluted disc and the quiet automatic transmission with hydraulic torque converter that moves to realize two grades of speed changes of second stage planetary wheel C2 fluted disc two-stage planet, because the characteristic (curve) of power motor output torque is limit, the transmitting ratio of one retaining and the transmitting ratio gap of second gear can not be too big, limited the matching performance of power and load.
In order to improve the coupling of power and load, the utility model adopts based on planetary gear system and the stepless speed changing mechanism regulated and control with motor.As shown in Figure 5, can strengthen the transmitting ratio gap between a retaining and the second gear in the design, and realize stepless change by the transmitting ratio between stepless adjustment one retaining of regulation and control motor and the second gear, can realize very high power and the matching performance of load simultaneously.
Embodiment two:
Shown in Figure 5 is transmission of the present utility model and speed-changing mechanism disposed two groups of planetary wheels and by the regulation and control example of the automatic stepless speed change of motor regulation and control.Transmitting ratio when the transmitting ratio when present embodiment is set the fluted disc static (motion of second stage planetary wheel C2 fluted disc) of first order compound planet gear C1 moves (second stage planetary wheel C2 fluted disc is static) less than the C1 fluted disc.The external diameter of the fluted disc of C1 be shaped on gear and with regulation and control motor 2-D axle on the gear engagement, and rotating speed by regulating and control electric machine control C1 fluted disc (substituted the 2-L1 among Fig. 1 and cancelled 2-L2).The regulation and control rotating speed of motor is by control circuit and actuating unit 4 controls thereof.The control effect that can realize like this, is:
1, when electric motor vehicle gears steady arm M when stopping gear, the drg 1-3 on the power motor axle is in braking mode, two-way backstop 1-2 is all in running order, the drg 2-D-3 on the regulation and control motor 2-D also is in braking mode, vehicle drive shaft is static.
2, when electric motor vehicle gears steady arm M when advancing gear, the work of just commentaries on classics backstop on the power motor axle among the 1-2, the drg 1-3 on the power motor axle unclamps, power motor just changes when the driver steps on the control speed pedal:
1. need big speed ratio during vehicle launch.At this moment, drg 2-D-3 and the short circuiting switch 4-J on the regulation and control motor 2-D axle all do not work (the regulation and control motor shaft freely reverse), and the conduction angle of adjusting silicon control 4-T is zero, and the fluted disc of C1 freely rotates, the transmitting ratio maximum of change-speed box.
2. after battery-driven car starts and reaches certain speed, the data that obtained by torque sensor 1-1 show that transmission and speed-changing mechanism 2 can reduce transmitting ratio (the increase speed of a motor vehicle), and the driver represents to have a mind to accelerate by controlling speed pedal T, and then: the conduction angle of at first regulating silicon control 4-T utilizes the amount of the reverse acting of step-up transformer 4-B (voltage transformer can omit sometimes), rectifying circuit 4-Z control regulation and control motor to regulate the drag torque of regulation and control motor and the counter-rotating rotating speed of regulation and control motor shaft; Secondly, still need to continue to improve the speed of a motor vehicle after the conduction angle of 4-T is all opened, then the work resistance torque by short circuiting switch 4-J is to continue to reduce transmitting ratio; Finally, in the time of need reaching fastest ratio (maximum speed), the drg 2-D-3 work of regulation and control on the motor shaft, motor shaft is static does not change in regulation and control, and C1 fluted disc rotating speed rotating speed is zero, and transmission ratio minimum (second gear effect) can reach the max speed.Feed back electric weight to power supply when the regulation and control motor oppositely does work, this more saves the heating that the energy has also reduced parts simultaneously than the mode that other forms drag torque.
3. when battery-driven car when reaching the second gear transmitting ratio, if power is had a surplus (signal by the torque sensor 1-1 on the power motor 1 is learnt) and the driver has a mind to operating and controlling vehicle and continue to accelerate, the backstop 2-D-2 work of then regulating and control on the motor shaft earlier quits work with rear brake 2-D-3, control circuit and actuating unit 4 control 4-K work thereof and execution afterwards transmits electric power to the regulation and control motor and makes the regulation and control motor shaft by static the progressively instruction of forward rotation, further reduce transmitting ratio and C1 is rotated, the speed of a motor vehicle improves.The horsepower output of vehicle power at this moment is that power motor power is in regulation and control power of motor sum.
During 4. by above step reverse operating, change-speed box progressively adds big speed ratio, and vehicle progressively slows down.
3, when electric motor vehicle gears steady arm M when retreating gear, the work of counter-rotating backstop on the power motor axle among the 1-2, the drg 1-3 on the power motor axle unclamps, power motor counter-rotating when the driver steps on the control speed pedal:
1. need big speed ratio during vehicle launch.At this moment, drg 2-D-3 and the short circuiting switch 4-J on the regulation and control motor 2-D axle all do not work (the regulation and control motor shaft freely reverse), and the conduction angle of adjusting silicon control 4-T is zero, and the fluted disc of C1 is static, the transmitting ratio maximum of change-speed box.
2. after battery-driven car starts the back and reaches certain speed, continue acceleration when generally also not advising reverse gear.So control circuit and actuating unit 4 thereof can no longer be exported other control signal.
4, as electric motor vehicle gears steady arm M during at the neutral gear gear, the drg 1-3 on the power motor axle unclamps, and the two-way backstop 1-2 on the power motor axle does not all work:
5, when the driver steps on brake pedal Z, power motor at first forms drag torque to power supply feedback electric weight by motor and makes car retardation, when the driver steps on brake pedal certain depth is arranged, power motor comes resistance torque mechanical braking mechanism work simultaneously by the mouth short circuit, and vehicle is stopped fast.
6, notice: must be after vehicle comes to a complete stop could the conversion gear when retreating shelves to the neutral gear conversion (D Drive and except).
Embodiment three,
The transmitting ratio the when transmitting ratio when if Fig. 5 embodiment sets the fluted disc static (motion of second stage planetary wheel C2 fluted disc) of first order compound planet gear C1 moves (second stage planetary wheel C2 fluted disc is static) greater than the C1 fluted disc.Equally, the external diameter of the fluted disc of C1 be shaped on gear and with regulation and control motor 2-D axle on the gear engagement, and rotating speed by regulating and control electric machine control C1 fluted disc (substituted the 2-L1 among Fig. 1 and cancelled 2-L2).The regulation and control rotating speed of motor is by control circuit and actuating unit 4 controls thereof.The control effect that can realize like this, is:
1, when electric motor vehicle gears steady arm M when stopping gear, drg 1-3 on the power motor axle is in braking mode, and two-way backstop 1-2 is all in running order, the backstop 2-D-2 work on the regulation and control motor 2-D, drg 2-D-3 also is in braking mode, and vehicle drive shaft is static.
2, when electric motor vehicle gears steady arm M when advancing gear, the work of just commentaries on classics backstop on the power motor axle among the 1-2, the drg 1-3 on the power motor axle unclamps, power motor just changes when the driver steps on the control speed pedal:
1. need big speed ratio during vehicle launch.At this moment, backstop 2-D-2 work on the regulation and control motor 2-D axle, drg 2-D-3 does not work, control circuit and actuating unit 4 thereof be not to regulation and control motor power supply (the regulation and control motor shaft is static), and short circuiting switch 4-J and adjusting silicon control 4-T and step-up transformer, rectifier can be cancelled, and the fluted disc of C1 is static, the transmitting ratio maximum of change-speed box.
2. after battery-driven car starts and after reaching certain speed, the data that obtained by torque sensor 1-1 show that transmission and speed-changing mechanism 2 can reduce transmitting ratio (the increase speed of a motor vehicle), and the driver represents to have a mind to accelerate by control speed pedal T, then: the 4 control 4-K work of control circuit and actuating unit thereof are also carried out to transmit electric power to the regulation and control motor and are made the regulation and control motor shaft by static starting and forward rotation progressively, the instruction of accelerating (all the other states are with 1. identical), transmitting ratio progressively reduces, the speed of a motor vehicle increases gradually, power motor and regulation and control motor stack acting (horsepower output of vehicle power is that power motor power is in regulation and control power of motor sum).
During 3. by above step reverse operating, change-speed box progressively adds big speed ratio, and vehicle progressively slows down.
3, when electric motor vehicle gears steady arm M when retreating gear, the work of counter-rotating backstop on the power motor axle among the 1-2, the drg 1-3 on the power motor axle unclamps, power motor counter-rotating when the driver steps on the control speed pedal:
1. need big speed ratio during vehicle launch.At this moment, the drg 2-D-3 work (the regulation and control motor shaft is static) on the regulation and control motor 2-D axle, and the conduction angle of regulating silicon control 4-T is zero, and the fluted disc of C1 is static, the transmitting ratio maximum of change-speed box.
2. after battery-driven car starts the back and reaches certain speed, continue acceleration when generally not advising reverse gear.So control circuit and actuating unit 4 thereof can no longer be exported other control signal.
4,5,6, identical with embodiment two.
Embodiment four:
Fig. 3 and shown in Figure 4 be that the utility model adopts one group of planetary wheel for the basis and with the example of the stepless speed changing mechanism of motor regulation and control.Its mode is identical with embodiment two or embodiment three, and the difference just power requirement to the regulation and control motor is bigger.
Be example of the present utility model only below, be not limited to this.
Claims (9)
1. battery-driven car power unit comprises power motor, a transmission and speed-changing mechanism, a box of tricks, a control circuit and an actuating unit thereof that carries torque sensor, or a part wherein; It is characterized in that: the real-time dtc signal that control circuit and the sensor of actuating unit utilization on the power motor of belt sensor thereof record is regulated and control the transmitting ratio of transmission and speed-changing mechanism and the horsepower output of power motor, to obtain power and to load on operating optimum matching.
2. a kind of battery-driven car power unit according to claim 1 is characterized in that: carry on the motor shaft of torque sensor and settled brake equipment.
3. a kind of battery-driven car power unit according to claim 1, it is characterized in that: carry on the motor shaft of torque sensor and settled two-way backstop, it turns to reciprocal being installed on the motor shaft by two unidirectional stop devices, and selects and anti-the turning to of reversing of control by power-transfer clutch or steady arm; Two-way backstop also can be placed on arbitrary axle of transmission and speed-changing mechanism.
4. a kind of battery-driven car power unit according to claim 1, it is characterized in that: the speed-changing mechanism of its transmission and speed-changing mechanism can be the speed-changing mechanism of any kind.
5. a kind of battery-driven car power unit according to claim 1 is characterized in that: transmission and speed-changing mechanism adopt based on planetary gear system and the stepless speed changing mechanism regulated and control with motor.
6. a kind of battery-driven car power unit according to claim 1, it is characterized in that: control circuit and actuating unit thereof can be regulated the power of main motor and the transmitting ratio of transmission and speed-changing mechanism according to the gear of power motor and the real-time torque parameter of regulating and control motor and driver's operating and controlling vehicle, the situation of control speed pedal, make power and load on operating realization optimum matching; Can be by realizing reducing the effect that transmitting ratio improves the speed of a motor vehicle to regulation and control motor transmission of electric energy and the mode that increases power; Also can make adjusting regulation and control motor generation drag torque regulate transmitting ratio to the mode of the amount of power supply feedback energy by braking, output short-circuit, the control of adjusting silicon controlled conduction angle.
7. a kind of battery-driven car power unit according to claim 5 is characterized in that: also adopt the motor that carries torque sensor based on planetary gear system and with the regulation and control motor of the stepless speed changing mechanism of motor regulation and control.
8. a kind of battery-driven car power unit according to claim 5 is characterized in that: having settled brake equipment and backstop on planetary gear system and the regulation and control motor with the stepless speed changing mechanism of motor regulation and control, or one of them.
9. a kind of battery-driven car power unit according to claim 5 is characterized in that: based on planetary gear system and can form drag torque by the mode to power supply feedback electric weight with the regulation and control motor of the stepless speed changing mechanism of motor regulation and control and regulate transmitting ratio; Also can be by realizing reducing the effect that transmitting ratio improves the speed of a motor vehicle to regulation and control motor transmission of electric energy and the mode that increases auxiliary power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220571446 CN203198733U (en) | 2012-10-29 | 2012-10-29 | Electric vehicle power unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220571446 CN203198733U (en) | 2012-10-29 | 2012-10-29 | Electric vehicle power unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203198733U true CN203198733U (en) | 2013-09-18 |
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ID=49142868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220571446 Expired - Fee Related CN203198733U (en) | 2012-10-29 | 2012-10-29 | Electric vehicle power unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203198733U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105539130A (en) * | 2016-01-22 | 2016-05-04 | 吉林大学 | Electric driving axle based on single planet row |
| CN105570419A (en) * | 2016-01-22 | 2016-05-11 | 吉林大学 | Electric driving device based on double-planet-row two-gear transmission |
| CN112628374A (en) * | 2020-12-16 | 2021-04-09 | 西南大学 | Self-adaptive automatic speed changing system for longitudinal driving transmission sensing of electric automobile |
-
2012
- 2012-10-29 CN CN 201220571446 patent/CN203198733U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105539130A (en) * | 2016-01-22 | 2016-05-04 | 吉林大学 | Electric driving axle based on single planet row |
| CN105570419A (en) * | 2016-01-22 | 2016-05-11 | 吉林大学 | Electric driving device based on double-planet-row two-gear transmission |
| CN112628374A (en) * | 2020-12-16 | 2021-04-09 | 西南大学 | Self-adaptive automatic speed changing system for longitudinal driving transmission sensing of electric automobile |
| CN112628374B (en) * | 2020-12-16 | 2021-12-21 | 西南大学 | Self-adaptive automatic speed changing system for longitudinal driving transmission sensing of electric automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Wang Jianjun Document name: Notification to Pay the Fees |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130918 Termination date: 20151029 |
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| EXPY | Termination of patent right or utility model |