CN204547770U - Dual-motor electric automotive powerplant and fill its electronlmobil - Google Patents
Dual-motor electric automotive powerplant and fill its electronlmobil Download PDFInfo
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- CN204547770U CN204547770U CN201520211998.XU CN201520211998U CN204547770U CN 204547770 U CN204547770 U CN 204547770U CN 201520211998 U CN201520211998 U CN 201520211998U CN 204547770 U CN204547770 U CN 204547770U
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Abstract
The utility model discloses a kind of dual-motor electric automotive powerplant, comprise the first motor, second motor, planetary gear mechanism, device is turned round in deceleration increasing, diff and controller, first motor is connected to sun wheel, second motor is connected to gear ring, satellite gear is meshed with sun wheel and gear ring, first, exported by pinion carrier again after the outputting power of the second motor is superposed by planetary gear mechanism, deceleration increasing is turned round device and is connected to pinion carrier by connecting device, controller is connected with the second motor with the first motor respectively and is configured to: under electronlmobil is in motorized motions forward travel pattern, when the speed of a motor vehicle is less than preset value, the first motor is made to be in motor mode and to rotate forward, second motor rotates backward and is in power generation mode to charge to Vehicular accumulator cell group, when the speed of a motor vehicle is not less than preset value, rotate forward under making the first motor and the second motor all be operated in motor mode.It also relates to the electronlmobil that above-mentioned dual-motor electric automotive powerplant is housed.
Description
Technical field
The utility model relates to vehicular propulsion, particularly relates to a kind of dual-motor electric automotive powerplant and is equipped with the electronlmobil of this dual-motor electric automotive powerplant.
Background technology
Current electronlmobil many employings motor configures a retarder, or motor configures the drive scheme of a change-speed box.A motor is configured to the engine installation of a retarder, owing to adopting fixed drive ratio, to be difficult to meet under climbing and two extreme conditions of cruising electronlmobil to the requirement of moment of torsion and rotating speed simultaneously; And configuring in the engine installation of an Automatic Transmission at a motor, its Automatic Transmission cost is very high and consume energy.
State Intellectual Property Office is Granted publication on October 3rd, 2012 a kind of " dual-motor electric car power assembly system and install its battery-driven car " (Authorization Notice No. is CN 202463569 U), this system is by the first motor 1, second motor 2, first clutch 3, second clutch 4, first planet gear drive 5, second planetary gear mechanism 6, connecting device 7, diff 8, controller 9, Vehicular accumulator cell 10 is formed, first motor 1 and the second motor 2 are the propulsions source in this dual-motor electric car power assembly system, can come to drive wheel supply rotating speed and moment of torsion by these two motors by one of them motor or simultaneously, and by first planet gear drive 5, second planetary gear mechanism 6 and the connecting device 7 both connection, rotating speed and moment of torsion are outwards carried via diff 8.
In this engine installation first motor 1, first motor 1 and first planet gear drive 5, the relation of pinion carrier rotating speed is as follows:
(n1-nh)/(n3-nh)＝-Z3/Z1 (1)；
In formula: n1---the rotating speed i.e. rotating speed of the first motor 1 of sun wheel in first planet gear drive 5;
N3---the input gear ring 53 rotating speed i.e. rotating speed of the second motor 2;
Nh---pinion carrier rotating speed in first planet gear drive 5;
Z1---the number of teeth of sun wheel in first planet gear drive 5;
Z3---the number of teeth of input gear ring 53;
There is following relation in this power assembly system torque distribution:
T1/T2＝Z1/Z3 (2)；
Th/T1＝(Z3+Z1)/Z1 (3)；
Th/T2＝(Z3+Z1)/Z3 (4)；
In formula: T1---the first motor 1 output torque acts on the moment of torsion in first planet gear drive 5 in sun wheel;
T2---the second motor 2 output torque acts on the moment of torsion on input gear ring 53;
Th---in first planet gear drive 5, pinion carrier output torque acts on the moment of torsion on connecting device.
Adopt the deficiency that above-mentioned engine installation exists: have employed two power-transfer clutchs, i.e. first clutch and second clutch, not only complex structure, and power-transfer clutch power consumption itself, add control difficulty.
Utility model content
The purpose of this utility model be to provide a kind of structure simple, be easy to control dual-motor electric automotive powerplant, and the electronlmobil be configured to.
For this reason, the technical scheme that adopts of the utility model is as follows:
A kind of dual-motor electric automotive powerplant, comprise the first motor, second motor, planetary gear mechanism, device is turned round in deceleration increasing, diff, controller and Vehicular accumulator cell group, described planetary gear mechanism comprises sun wheel, sun wheel, satellite gear and the pinion carrier connected with satellite gear, described first motor is connected to sun wheel, second motor is connected to gear ring, described satellite gear is meshed with sun wheel and gear ring simultaneously, described first, exported by pinion carrier again after the outputting power of the second motor is superposed by planetary gear mechanism, the input end that device is turned round in increasing of slowing down is connected to pinion carrier by connecting device, the mouth that device is turned round in increasing of slowing down is connected with diff, described controller is connected with the second motor with the first motor respectively and is configured to: under electronlmobil is in motorized motions forward travel state, when the speed of a motor vehicle is less than preset value, rotate forward under making the first motor be in motor mode, second motor place rotates backward to charge to Vehicular accumulator cell group in the generator mode, only by the first motor output power, or rotate forward under making the second motor be in motor mode, first motor place rotates backward to charge to Vehicular accumulator cell group in the generator mode, only by the second motor output power, when the speed of a motor vehicle is not less than preset value, rotate forward under making the first motor and the second motor all be in motor mode, by the first motor and the second motor outputting power simultaneously.
Preferred as such scheme, described controller is also configured to: under electronlmobil is in braking mode, and the first motor and the second motor are all operated under Generator Status to charge to Vehicular accumulator cell group.
As such scheme further preferably, described controller is also configured to: be in motorized motions at electronlmobil and fall back under driving mode, rotate backward under making the first motor be in motor mode, and the second motor is in and rotates forward generating state to charge to Vehicular accumulator cell group; Or rotate backward under making the second motor be in motor mode, and the first motor is in and rotates forward generating state to charge to Vehicular accumulator cell group.
It is be made up of intermeshing deceleration driving gear and reduction driven gear that device is turned round in described deceleration increasing; Described connecting device is made up of intermeshing driving gear and driven gear, for pinion carrier in connected row star wheel series and the deceleration driving gear increasing and turn round in device that slows down.
Described planetary gear mechanism, connecting device, deceleration increase turns round the inside that device and diff are arranged on engine installation casing, described first motor and the second motor are all arranged on the outside of engine installation casing, and coaxially arranged in the left and right sides of planetary gear mechanism.
A kind of electronlmobil, described electronlmobil is equipped with the dual-motor electric automotive powerplant described in above any one.
The beneficial effects of the utility model:
A () is under electronlmobil is in motorized motions forward travel state, when the speed of a motor vehicle is less than preset value, rotate forward under making the first motor be in motor mode, second motor place rotates backward to charge to Vehicular accumulator cell group in the generator mode, only by the first motor output power, or rotate forward under making the second motor be in motor mode, the first motor place rotates backward with to the charging of Vehicular accumulator cell group in the generator mode, only by the second motor output power; When the speed of a motor vehicle is not less than preset value, rotate forward under making the first motor and the second motor all be in motor mode, by the first motor and the second motor outputting power simultaneously, the rotating speed of the second motor superposes rear output with the first motor speed by planetary gear mechanism, first motor and the second motor can be operated in high efficiency range of speed, avoid single motor high-speed operation or low-speed running and reduce electrical efficiency;
When () is under electronlmobil is in braking mode b, two motors can be utilized to charge to Vehicular accumulator cell group as electrical generator, thus the kinetic energy of the abundant Collection utilization vehicle of energy or potential energy;
C () is in motorized motions at electronlmobil and falls back under motoring condition, first motor rotates backward at motor status, second motor rotates forward at generating state, or the second motor rotates backward at motor status, first motor rotates forward at generating state, both coordinate provides electric automobile torque and rotating speed, the speed discrepancy of the first motor and the second motor determines the speed of electronlmobil reversing, therefore the first motor and the second motor all can be operated in the higher range of speed of efficiency, avoid arbitrary motor low-speed running and reduce electrical efficiency;
D () avoids the power-transfer clutch using power consumption, and controller is to the control of power-transfer clutch, thus simplifies the structure, reduces cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
First, it should be noted that, to this dual-motor electric automotive powerplant be illustrated by way of example and configure its basic structure, principle of work, the characteristics and advantages of electronlmobil below, but all descriptions are only used to be described, and should be understood as any restriction is formed to the utility model.In addition, described in each embodiment mentioned by this paper or implicit any single technical characteristic, or be shown or implicit any single technical characteristic in the accompanying drawings, still can proceed to combine arbitrarily or delete between these technical characteristics (or its equivalent), thus obtain other embodiments of the present utility model more that may directly do not mention in this article.
Embodiment:
As shown in Figure 1, a kind of dual-motor electric automotive powerplant is made up of the first motor M 1, second motor M 2, sun wheel 1, satellite gear 2, gear ring 3, driving gear 4, driven gear 5, retarder driving gear 6, retarder driven gearwheel 7, diff 8, pinion carrier 9, controller 10, Vehicular accumulator cell group 11 and casing 12 etc.Wherein, sun wheel 1, satellite gear 2, gear ring 3, pinion carrier 9 constitute planetary gear mechanism, and gear ring 3 is internally toothed annulus; Intermeshing retarder driving gear 6 and retarder driven gearwheel 7 constitute deceleration increasing and turn round device; Intermeshing driving gear 4 and driven gear 5 form connecting device, and connecting device is used for pinion carrier 9 and retarder driving gear 6 in connected row star wheel series, and retarder driven gearwheel 7 is connected with diff 8.
First motor M 1 is positioned at the graphic leftmost side, and the output shaft of this first motor M 1 connects with sun wheel 1, and the second motor M 2 is positioned at the graphic rightmost side, and this second motor M 2 connects with gear ring 3.Pinion carrier 9 is equipped with four circumferentially well-distributed satellite gears 2, and it is circumferentially same that these four satellite gears 2 are evenly positioned at pinion carrier 9, and the quantity of satellite gear 2 is not limited to four, and four satellite gears 2 are meshed with sun wheel 1 and gear ring 3 simultaneously.Pinion carrier 9 and driving gear 4 are coaxially installed, driving gear 4 is meshed with driven gear 5, driven gear 5 and retarder driving gear 6 are coaxially installed, retarder driving gear 6 is meshed with retarder driven gearwheel 7, diff 8 and retarder driven gearwheel 7 are coaxially installed, pinion carrier 9 drives driving gear 4, driving gear 4 drives driven gear 5, driven gear 5 drives retarder driving gear 6, retarder driving gear 6 drives retarder driven gearwheel 7, retarder driven gearwheel 7 drives diff 8, and device power is finally exported by diff 8.
In this device, sun wheel 1, satellite gear 2, pinion carrier 9 and gear ring 3 constitute power stacking apparatus, and driving gear 4 and driven external gear 5 constitute power drive, and retarder driving gear 6 and retarder driven gearwheel 7 constitute deceleration increasing turns round device.
For making compact conformation, be convenient to natural heat dissipation, planetary gear mechanism, connecting device, deceleration increase turns round the inside that device and diff 8 are arranged on engine installation casing 12, first motor M 1 and the second motor M 2 are all arranged on the outside of engine installation casing 12, and coaxially arranged in the left and right sides of planetary gear mechanism.
The relation of this power stacking apparatus motor M 1, M2 and gear ring rotating speed is as follows:
(nM1-nh)/(nM2-nh)＝-Z3/Z1 (5)；
Z1＝Z3 (6)；
In formula: nM1---the sun wheel 1 rotating speed i.e. rotating speed of the first motor M 1;
NM2---the gear ring 3 rotating speed i.e. rotating speed of the second motor M 2;
Nh---pinion carrier 9 rotating speed;
Z1---sun wheel 1 number of teeth;
Z3---gear ring 3 number of teeth.
There is following relation in this power stacking apparatus torque distribution:
TM1/TM2＝Z1/Z3 (7)；
Th/TM2＝(Z3+Z1)/Z3 (8)；
Th/TM1＝(Z3+Z1)/Z1 (9)；
In formula: TM1---the first motor M 1 output torque acts on the moment of torsion in sun wheel 1;
TM2---the second motor M 2 output torque acts on the moment of torsion on gear ring 3;
Th---pinion carrier 9 output torque acts on the moment of torsion on driving gear 4.
Under electronlmobil is in motorized motions forward travel state, and when the speed of a motor vehicle is less than preset value, rotate forward under first motor M 1 is in motor mode, the second motor M 2 place of rotating backward in generate mode, only drives electronlmobil forward travel by the first motor M 1; When the speed of a motor vehicle equals or exceeds preset value, under controller 10 makes the second motor M 2 also be in motor mode while making the first motor M 1 keep forward to operate at motor mode, forward operates, and drives electronlmobil by the first motor M 1 and the second motor M 2 simultaneously; Alternatively the maximum speed of electronlmobil is divided into two sections---low speed segment and high regime, when electronlmobil travels at low speed segment, electronlmobil is driven by the first motor M 1, the maximum speed of revolution of the first motor M 1 is the upper limit of low speed segment, if when vehicle needs with speeds higher than the low speed segment upper limit, second motor M 2 must rotate forward by rotating backward to become, the contribution of the second motor M 2 pairs of electronlmobil speed is superimposed upon on the low speed segment be responsible for by the first motor M 1, determined by following relation:
nh＝(Z1/(Z1+Z3))*nM1+(Z3/(Z1+Z3))*nM2 (10)；
Or, when the speed of a motor vehicle is less than preset value, the role exchange of the first motor M 1 and the second motor M 2 once, rotate forward under namely the second motor M 2 is in motor mode, first motor M 1 place of rotating backward in generate mode, only drives electronlmobil forward travel by the second motor M 2; When the speed of a motor vehicle equals or exceeds preset value, controller 10 is forward running under making the second motor M 2 and the first motor M 1 all be in motor mode, drives electronlmobil by the first motor M 1 and the second motor M 2 simultaneously.
Under electronlmobil is in braking mode, controller 10 makes the first motor M 1 and the second motor M 2 all operate under Generator Status to charge to Vehicular accumulator cell group 11.
Being in motorized motions at electronlmobil falls back under motoring condition, and controller 10 rotates backward under making the first motor M 1 be in motor mode, and the second motor M 2 is rotating forward generating state, for Vehicular accumulator cell group 13 is charged; Or exchange the role of the first motor and the second motor, controller 10 rotates backward under making the second motor M 2 be in motor mode, and the first motor M 1 is rotating forward generating state, for Vehicular accumulator cell group 13 is charged.
Above-mentioned dual-motor electric automotive powerplant is contained on electronlmobil, belongs to protection category of the present utility model equally.
Claims (6)
1. a dual-motor electric automotive powerplant, it is characterized in that, comprise the first motor, second motor, planetary gear mechanism, device is turned round in deceleration increasing, diff, controller and Vehicular accumulator cell group, described planetary gear mechanism comprises sun wheel, gear ring, satellite gear and the pinion carrier connected with satellite gear, described first motor is connected to sun wheel, second motor is connected to gear ring, described satellite gear is meshed with sun wheel and gear ring simultaneously, described first, exported by pinion carrier again after the outputting power of the second motor is superposed by planetary gear mechanism, the input end that device is turned round in increasing of slowing down is connected to pinion carrier by connecting device, the mouth that device is turned round in increasing of slowing down is connected with diff, described controller is connected with the second motor with the first motor respectively and is configured to: under electronlmobil is in motorized motions forward travel pattern, when the speed of a motor vehicle is less than preset value, the first motor is made to be in motor mode and to rotate forward, second motor rotates backward and is in power generation mode to charge to Vehicular accumulator cell group, only by the first motor output power, or make the second motor be in motor mode and rotate forward, first motor rotates backward and is in power generation mode to charge to Vehicular accumulator cell group, only by the second motor output power, when the speed of a motor vehicle is not less than preset value, rotate forward under making the first motor and the second motor all be operated in motor mode, by the first motor and the second motor outputting power simultaneously.
2. dual-motor electric automotive powerplant according to claim 1, it is characterized in that, described controller is also configured to: under electronlmobil is in braking mode, and the first motor and the second motor are all operated under Generator Status to charge to Vehicular accumulator cell group.
3. dual-motor electric automotive powerplant according to claim 1, it is characterized in that, described controller is also configured to: be in motorized motions at electronlmobil and fall back under driving mode, rotate backward under making the first motor be in motor mode, and the second motor is in and rotates forward generating state to charge to Vehicular accumulator cell group; Or rotate backward under making the second motor be in motor mode, and the first motor is in and rotates forward generating state to charge to Vehicular accumulator cell group.
4. the dual-motor electric automotive powerplant according to any one of claim 1-3, is characterized in that, it is be made up of intermeshing deceleration driving gear and reduction driven gear that device is turned round in described deceleration increasing; Described connecting device is made up of intermeshing driving gear and driven gear, for pinion carrier in connected row star wheel series and the deceleration driving gear increasing and turn round in device that slows down.
5. the dual-motor electric automotive powerplant according to any one of claim 1-3, it is characterized in that, described planetary gear mechanism, connecting device, deceleration increase turns round the inside that device and diff are arranged on engine installation casing, described first motor and the second motor are all arranged on the outside of engine installation casing, and coaxially arranged in the left and right sides of planetary gear mechanism.
6. an electronlmobil, is characterized in that, described electronlmobil is equipped with the dual-motor electric automotive powerplant according to any one of claim 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520211998.XU CN204547770U (en) | 2015-04-09 | 2015-04-09 | Dual-motor electric automotive powerplant and fill its electronlmobil |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520211998.XU CN204547770U (en) | 2015-04-09 | 2015-04-09 | Dual-motor electric automotive powerplant and fill its electronlmobil |
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| Publication Number | Publication Date |
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| CN204547770U true CN204547770U (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520211998.XU Expired - Fee Related CN204547770U (en) | 2015-04-09 | 2015-04-09 | Dual-motor electric automotive powerplant and fill its electronlmobil |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104709081A (en) * | 2015-04-09 | 2015-06-17 | 王德伦 | Double-motor electric car power device and electric car provided with same |
| CN106183765A (en) * | 2016-08-09 | 2016-12-07 | 南方科技大学 | Electric driving and energy recovery device for electric automobile and energy recovery method thereof |
-
2015
- 2015-04-09 CN CN201520211998.XU patent/CN204547770U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104709081A (en) * | 2015-04-09 | 2015-06-17 | 王德伦 | Double-motor electric car power device and electric car provided with same |
| CN106183765A (en) * | 2016-08-09 | 2016-12-07 | 南方科技大学 | Electric driving and energy recovery device for electric automobile and energy recovery method thereof |
| CN106183765B (en) * | 2016-08-09 | 2019-12-10 | 南方科技大学 | Electric driving and energy recovery device for electric automobile and energy recovery method thereof |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 Termination date: 20200409 |
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| CF01 | Termination of patent right due to non-payment of annual fee |