CN209600248U - Bi-motor pure electric drive system and vehicle - Google Patents
Bi-motor pure electric drive system and vehicle Download PDFInfo
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- CN209600248U CN209600248U CN201821975005.6U CN201821975005U CN209600248U CN 209600248 U CN209600248 U CN 209600248U CN 201821975005 U CN201821975005 U CN 201821975005U CN 209600248 U CN209600248 U CN 209600248U
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Abstract
The utility model relates to field of vehicle drive, especially bi-motor pure electric drive system and vehicle.The system includes main drive motor, secondary driving motor, gear reducer structure and clutch, first power end of secondary driving motor connection deceleration mechanism, one end of the second power end connection clutch of deceleration mechanism, first power end of the other end connection main drive motor of clutch, the second power end of main drive motor connect system output shaft；By the way that a clutch is arranged between deceleration mechanism and main drive motor, in the independent low torque of main drive motor, the work of low-power forward direction, pass through the separation function of clutch, the reluctance torque loss and speed changer internal loss that secondary driving motor and deceleration mechanism slave tape come are avoided, capacity usage ratio is improved；And in vehicle high-speed operation, by the separation function of clutch, using the direct high efficiency drive vehicle of main drive motor, avoids and speed proportional reduction is constructed of by speed reducer, realize the high-speed driving of vehicle.
Description
Technical field
The utility model relates to field of vehicle drive, especially bi-motor pure electric drive system and vehicle.
Background technique
Mainstream pure electric vehicle is mainly that single motor directly drives configuration at present, and this configuration is in order to guarantee the acceleration of vehicle and climb
The requirement of slope equidynamic, usually uses high torque motor, causes motor volume weight excessive, higher cost, while to climbing
Degree requires the area such as higher scenic spot still inevitably to there is dynamic property not foot phenomenon.And shelves are added using single motor in the market
The problems such as gearbox configuration is because of power interruption existing when shifting gears and shift shock, shift difficulty, and the control of gearshift
It is considerably complicated, client's expectation can not be met.
Having Chinese patent application publication No. is that the application for a patent for invention file of CN103754099A discloses a kind of bi-motor
Multi-mode power coupling drive assembly, wherein either vehicle is operated alone in main drive motor or secondary driving motor is operated alone
Vehicle has to pass through planet row retarder, in this case, has unnecessary energy loss.Moreover, when vehicle is transported in high speed
When under row operating condition, driving motor is merely able to not only have energy loss, transmission efficiency is not by planet row retarder output torque
Height, moreover, speed not quickly, is not able to satisfy the needs of high-speed cruising under the influence of planet row retarder.
Utility model content
The purpose of the utility model is to provide bi-motor pure electric drive system and vehicles, to solve existing driving system
Vehicle is operated alone in system either main drive motor or vehicle is operated alone in secondary driving motor, has to pass through retarder, meeting
The problem of causing energy loss.
In order to realize vehicle pure electric vehicle driving, solve existing drive system either main drive motor be operated alone it is whole
Vehicle is operated alone in vehicle or secondary driving motor, the problem of having to pass through retarder, will cause energy loss.The utility model
A kind of bi-motor pure electric drive system, including main drive motor, secondary driving motor and deceleration mechanism are provided, further include clutch
Device, the pair driving motor connect the first power end of the deceleration mechanism, and the second power end of the deceleration mechanism connects institute
One end of clutch is stated, the other end of the clutch connects the first power end of the main drive motor, the main driving electricity
Second power end of machine connects system output shaft.
Beneficial effect is, by the way that a clutch is arranged between deceleration mechanism and main drive motor, in main drive motor
When independent low torque, the work of low-power forward direction, by the separation function of clutch, avoid secondary driving motor and deceleration mechanism with
Dynamic bring reluctance torque loss and speed changer internal loss, improve capacity usage ratio；And in vehicle high-speed operation,
It avoids and is constructed of by speed reducer using the direct high efficiency drive vehicle of main drive motor by the separation function of clutch
Speed proportional reduces, and realizes the high-speed driving of vehicle；In addition, when main drive motor power is not able to satisfy vehicle demand power,
Clutch, which combines, makes secondary driving motor participation work can by acting on simultaneously after deceleration mechanism reduction of speed torque increase with main drive motor
To obtain higher climbable gradient and accelerating ability, meet vehicle demand；Further more, only being achieved that by a clutch above-mentioned
Function avoids using more complicated gearshift or other transmission mechanisms, reduces the complexity of system, reduce
The volume of system entirety, convenient for arrangement in automobiles.
Further, in order to preferably realize power transmission, the deceleration mechanism is planet row, the sun of the planet row
Wheel is first power end, and the planet carrier or gear ring of the planet row are second power end.
Further, drive system caused by the reverse operation in order to avoid clutch is abnormal, and the clutch is unidirectional
Clutch.
Further, in order to more directly carry out power transmission, the main drive motor is motor for double-ended drive, the master
First power end of driving motor and the second power end of the main drive motor are drawn by the both ends of main drive motor respectively.
Further, in order to reduce kinetic equation loss to the greatest extent, and it is conducive to the power drive system on the space of vehicle chassis
The optimum layout, the main drive motor, deceleration mechanism, clutch and secondary driving motor coaxial arrangement.
The utility model provides a kind of vehicle, including vehicle body and bi-motor pure electric drive system, the bi-motor
Pure electric drive system includes main drive motor, secondary driving motor and deceleration mechanism, further includes clutch, the pair driving motor
The first power end of the deceleration mechanism is connected, the second power end of the deceleration mechanism connects one end of the clutch, institute
The other end for stating clutch connects the first power end of the main drive motor, the second power end connection of the main drive motor
System output shaft；By the way that a clutch is arranged between deceleration mechanism and main drive motor, in main drive motor individually low torsion
When square, the work of low-power forward direction, by the separation function of clutch, secondary driving motor and deceleration mechanism slave tape are avoided
Reluctance torque loss and speed changer internal loss, improve capacity usage ratio；And in vehicle high-speed operation, pass through clutch
The separation function of device is avoided using gearbox bring internal loss, is mentioned using the direct high efficiency drive vehicle of main drive motor
High drive efficiency；In addition, clutch, which combines, makes secondary driving electricity when main drive motor power is not able to satisfy vehicle demand power
Machine participates in work, by being acted on simultaneously after deceleration mechanism reduction of speed torque increase with main drive motor, can obtain higher climbable gradient and
Accelerating ability meets vehicle demand.
Further, in order to preferably realize power transmission, the deceleration mechanism in the vehicle drive system is planet
Row, the sun gear of the planet row are first power end, and the planet carrier or gear ring of the planet row are described second dynamic
Power end.
Further, drive system caused by the reverse operation in order to avoid clutch is abnormal, in the vehicle drive system
The clutch be one-way clutch.
Further, the main drive motor in order to more directly carry out power transmission, in the vehicle drive system
For motor for double-ended drive, the first power end of the main drive motor and the second power end of the main drive motor are respectively by main drive
It draws at the both ends of dynamic motor.
Further, in order to reduce kinetic equation loss to the greatest extent, and it is conducive to the power drive system on the space of vehicle chassis
The optimum layout, the main drive motor, deceleration mechanism, clutch and secondary driving motor in the vehicle drive system are coaxially set
It sets.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of bi-motor pure electric drive system of the utility model；
In figure, 1, main drive motor；2, clutch；3, deceleration mechanism；4, secondary driving motor；5, master subtracts；6, wheel.
Specific embodiment
The utility model is described in more detail with reference to the accompanying drawing.
System embodiment
The utility model provides a kind of bi-motor pure electric drive system, as shown in Figure 1, including main drive motor 1, clutch
Device 2, deceleration mechanism 3 and secondary driving motor 4, secondary driving motor 4 connect the first power end of deceleration mechanism 3, and the of deceleration mechanism 3
Two power ends connect one end of clutch 2, the first power end of the other end connection main drive motor 1 of clutch 2, main driving electricity
Second power end of machine 1 connects system output shaft, and by system output shaft, connection master subtracts 5, and subtracting 5 by master, driving wheel 6 makes vehicle
Traveling.
Deceleration mechanism 3 is preferably planet row, and the sun gear of planet row is the first power end, the planet carrier or tooth of planet row
Circle is the second power end, which can be fixed using gear ring, and sun gear, which is used as, to be inputted, form of the planet carrier as output,
Planet carrier also can be used to fix, sun gear is as input, form of the gear ring as output；But the utility model does not limit to planet
The deceleration mechanism of row's formula, deceleration mechanism, which also can be used, constitutes speed reducer by the transmission connection of some gear sets.
The preferably unidirectional clutch of clutch 2 that the utility model uses, by deceleration mechanism 3 and main drive motor 1
Between be arranged a clutch 2, the independent low torque of main drive motor 1, low-power forward direction work when, pass through clutch 2 point
From function, avoids secondary driving motor 4 and deceleration mechanism 3 is servo-actuated the loss of bring reluctance torque and speed changer internal loss,
Improve capacity usage ratio；It is straight using main drive motor 1 by the separation function of clutch 2 and in vehicle high-speed operation
High efficiency drive vehicle is connect, avoids and speed proportional reduction is constructed of by speed reducer, realize the high-speed driving of vehicle；In addition,
When 1 power of main drive motor is not able to satisfy vehicle demand power, clutch 2, which combines, makes secondary driving motor 4 participate in work, passes through
It is acted on simultaneously after 3 reduction of speed torque increase of deceleration mechanism with main drive motor 1, higher climbable gradient and accelerating ability can be obtained, met
Vehicle demand.
In addition, main drive motor 1 is preferably motor for double-ended drive, the axis of the motor for double-ended drive is stretched out from the both ends of motor, because
This, the first power end and the second power end of above-mentioned main drive motor 1 are drawn by the both ends of the motor for double-ended drive respectively.As
Traditional uniaxial driving motor also can be used in other modes, the main drive motor 1, but needs by the way that other drivers are arranged
Structure is realized the coupling of the driving force of secondary driving motor and the drive shaft of the single shaft driving motor.
If selection main drive motor 1 is motor for double-ended drive, as shown in Figure 1, main drive motor 1, deceleration mechanism 3, clutch 2
It can be coaxially disposed with secondary driving motor 4, be conducive to the optimum layout of the power drive system on the space of vehicle chassis.
Vehicle embodiments
The utility model provides a kind of vehicle, the pure electricity of bi-motor including vehicle body and for driving vehicle body to travel
Dynamic drive system, the bi-motor pure electric drive system are described in detail in the above system embodiment, this vehicle
Embodiment repeats no more.
Be presented above the utility model relates to specific embodiment, but the utility model is not limited to described reality
Apply mode.The technological means in above-described embodiment is become by the way of being readily apparent that those skilled in the art
Change, replace, modify, and play the role of and the utility model in relevant art means it is essentially identical, realize it is practical new
Type purpose is also essentially identical, and the technical solution formed in this way is to be finely adjusted to be formed to above-described embodiment, this technical solution
It still falls in the protection scope of the utility model.
Claims (10)
1. a kind of bi-motor pure electric drive system, including main drive motor, secondary driving motor and deceleration mechanism, feature exist
In, it further include clutch, the pair driving motor connects the first power end of the deceleration mechanism, and the second of the deceleration mechanism
Power end connects one end of the clutch, and the other end of the clutch connects the first power end of the main drive motor,
Second power end of the main drive motor connects system output shaft.
2. bi-motor pure electric drive system according to claim 1, which is characterized in that the deceleration mechanism is planet
Row, the sun gear of the planet row are first power end, and the planet carrier or gear ring of the planet row are described second dynamic
Power end.
3. bi-motor pure electric drive system according to claim 1 or 2, which is characterized in that the clutch is unidirectional
Clutch.
4. bi-motor pure electric drive system according to claim 1 or 2, which is characterized in that the main drive motor is
Motor for double-ended drive, the first power end of the main drive motor and the second power end of the main drive motor are respectively by main driving
It draws at the both ends of motor.
5. bi-motor pure electric drive system according to claim 4, which is characterized in that the main drive motor, deceleration
Mechanism, clutch and secondary driving motor coaxial arrangement.
6. a kind of vehicle, including vehicle body and bi-motor pure electric drive system, the bi-motor pure electric drive system packet
Include main drive motor, secondary driving motor and deceleration mechanism, which is characterized in that it further include clutch, the pair driving motor connection
First power end of the deceleration mechanism, the second power end of the deceleration mechanism connect one end of the clutch, it is described from
The other end of clutch connects the first power end of the main drive motor, and the second power end of the main drive motor connects system
Output shaft.
7. vehicle according to claim 6, which is characterized in that the deceleration mechanism is planet row, and the planet row is too
Sun wheel is first power end, and the planet carrier or gear ring of the planet row are second power end.
8. vehicle according to claim 6 or 7, which is characterized in that the clutch is one-way clutch.
9. vehicle according to claim 6 or 7, which is characterized in that the main drive motor is motor for double-ended drive, the master
First power end of driving motor and the second power end of the main drive motor are drawn by the both ends of main drive motor respectively.
10. vehicle according to claim 9, which is characterized in that the main drive motor, deceleration mechanism, clutch and pair
Driving motor coaxial arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821975005.6U CN209600248U (en) | 2018-11-28 | 2018-11-28 | Bi-motor pure electric drive system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821975005.6U CN209600248U (en) | 2018-11-28 | 2018-11-28 | Bi-motor pure electric drive system and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209600248U true CN209600248U (en) | 2019-11-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821975005.6U Active CN209600248U (en) | 2018-11-28 | 2018-11-28 | Bi-motor pure electric drive system and vehicle |
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| CN (1) | CN209600248U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111231641A (en) * | 2018-11-28 | 2020-06-05 | 郑州宇通客车股份有限公司 | Pure electric drive system of bi-motor and vehicle |
-
2018
- 2018-11-28 CN CN201821975005.6U patent/CN209600248U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111231641A (en) * | 2018-11-28 | 2020-06-05 | 郑州宇通客车股份有限公司 | Pure electric drive system of bi-motor and vehicle |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 450061 Yudao Road, Guancheng District, Zhengzhou City, Henan Province Patentee after: Yutong Bus Co.,Ltd. Address before: 450061 Yudao Road, Guancheng District, Zhengzhou City, Henan Province Patentee before: ZHENGZHOU YUTONG BUS Co.,Ltd. |