CN104890800A - Power module of electric bicycle - Google Patents
Power module of electric bicycle Download PDFInfo
- Publication number
- CN104890800A CN104890800A CN201410074449.2A CN201410074449A CN104890800A CN 104890800 A CN104890800 A CN 104890800A CN 201410074449 A CN201410074449 A CN 201410074449A CN 104890800 A CN104890800 A CN 104890800A
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- Prior art keywords
- horsepower
- rotating speed
- ring bodies
- torsion
- teeth
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
- B62M6/40—Rider propelled cycles with auxiliary electric motor
- B62M6/55—Rider propelled cycles with auxiliary electric motor power-driven at crank shafts parts
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention relates to a power module of an electric bicycle. The power module comprises a first power unit, a speed reduction unit, a second power unit and a driving unit. The first power unit outputs a first horsepower with a first rotating speed and a first twisting force; the first rotating speed is reduced to a second rotating speed through the speed reduction unit, and the first twisting force is increased to a second twisting force through the speed reduction unit; the speed reduction unit outputs a second horsepower; the second power unit outputs a third horsepower; and the driving unit is coupled with the speed reduction unit and the second power unit, and outputs the second horsepower or the third horsepower. The power module has the advantages of being low in rotating speed, high in twisting force, small in size, low in cost and the like.
Description
Technical field
The present invention relates to the technical field of Electrical Bicycle, particularly utilize a high rotating speed coordinate one speed reducer with a low torsion motor and export a propulsion source of a slow speed of revolution and a high torsion, and utilize a driver element to determine using this propulsion source or a manpower propulsion source as the Electrical Bicycle power plant module in outputting power source.
Background technology
In tradition, an Electrical Bicycle (calling car body in the following text) adopts a front-wheel wheel-drum motor or a trailing wheel wheel-drum motor; But the configuration of these motors exists many disappearances, one, the center of gravity of this car body concentrates on the front portion of this car body or the rear portion of this car body, and the position of this center of gravity will reduce the degree of balance of this car body, and then impact drives stability; Its two, because this front-wheel wheel-drum motor is arranged on a front-wheel, and this trailing wheel wheel-drum motor is arranged at a trailing wheel, and so configuration is by the process of this front-wheel or the maintenance of this trailing wheel, increases the degree of difficulty of maintenance; And, its three, be directly output in a front-wheel due to this front-wheel wheel-drum motor or this trailing wheel wheel-drum motor is directly output in a trailing wheel.Therefore, this front-wheel wheel-drum motor or this trailing wheel wheel-drum motor cannot coordinate a bicycle change gear to provide the function of speed change.
For solving above-mentioned disappearance, this motor is moved to the pars intermedia of this car body by prior art, and make this center of gravity can be transferred to this car body pars intermedia from this Vehicular body front or this rear vehicle, this motor generally can be described as built-in motor.This built-in motor must have the output of a slow speed of revolution and a high torsion, drives demand with what meet car body.Therefore, this built-in motor exports in order to the propulsion source obtaining this slow speed of revolution and this high torsion, and this built-in motor needs to install additional in addition a planetary reduction gear with a low reduction ratio, exports with the propulsion source reaching this slow speed of revolution and this high torsion.
But the reduction ratio being limited to this planetary reduction gear is lower, and significantly cannot reduce the rotating speed of this built-in motor and significantly promote the torsion of this built-in motor.Therefore, export to this propulsion source that can reach this slow speed of revolution and this high torsion, then need the motor of high torsion in employing one middle and slow speed of revolution and one, the output demand driving this slow speed of revolution required and this high torsion could be met.But the motor of this middle and slow speed of revolution and middle high torsion is compared to the motor of a high rotating speed and a low torsion, and it has, and volume is large, Heavy Weight and high in cost of production lack.
In view of this, the present invention proposes a kind of Electrical Bicycle power plant module, to solve the disappearance of known techniques.
Summary of the invention
The first object of the present invention is to provide a kind of Electrical Bicycle power plant module, by the one speed reducer with a high reduction ratio, one motor of one high rotating speed and a low torsion can be converted to an electrical power source of a slow speed of revolution and a high torsion by this retarder, allows this Electrical Bicycle power plant module have slow speed of revolution, high torsion, volume little of, lightweight the advantage such as cost is low.
The second object of the present invention is according to above-mentioned Electrical Bicycle power plant module, a built-in motor of the little and high torsion of a volume can be manufactured, this built-in motor except can allow the body gravity of an Electrical Bicycle stable except, also a front-wheel of this Electrical Bicycle of convenient for maintaining or a trailing wheel, and coordinate a bicycle change gear to reach the objects such as speed change.
The third object of the present invention is according to above-mentioned Electrical Bicycle power plant module, one speed reducer is formed by an eccentric shaft, a bearing, a circular external tooth gear, a ring-type internal-gear and a position-arresting disk, and by the adjustment gear teeth quantity of this circular external tooth gear and the gear teeth quantity of this ring-type internal-gear, allow this retarder have this high reduction ratio.
The fourth object of the present invention is according to above-mentioned Electrical Bicycle power plant module, to pluralize unilateral bearing by the blue dish type of Annular body and a share method, these unilateral bearings can receive and come from this electrical power source that this retarder exports and the manpower propulsion source coming from manpower.
For reaching above-mentioned object and other object, the invention provides a kind of Electrical Bicycle power plant module and comprising one first power unit, a deceleration unit, one second power unit and a driver element.This first power unit has one first rotating speed and one first torsion.Based on the product of this first rotating speed and this first torsion, this first power unit exports one first horsepower.This deceleration unit couples this first power unit.This first rotating speed is reduced to one second rotating speed by this deceleration unit, allows this first torsion promote into one second torsion.Based on the product of this second rotating speed and this second torsion, this deceleration unit exports one second horsepower.This second power unit exports one the 3rd horsepower.This driver element couples this deceleration unit and this second power unit, to export this second horsepower or the 3rd horsepower.
Compare with prior art, an Electrical Bicycle power plant module of the present invention, by a deceleration unit of a high reduction ratio, by a high rotating speed and a low torsion motor (the low advantage little with volume of price), the outputting power source with a slow speed of revolution and a high torsion can be converted to.The advantage that this volume is little, will contribute to the pars intermedia being arranged on an Electrical Bicycle, side by side to solve the disappearance of known techniques.
In addition, this Electrical Bicycle power plant module can receive plural propulsion source (such as an electrical power source and a manpower propulsion source), especially this module can not by any switch, and can select the wherein one of these propulsions source to drive this Electrical Bicycle.
Accompanying drawing explanation
Fig. 1 is the exploded perspective view of the Electrical Bicycle power plant module of the embodiment of the present invention embodiment of the present invention;
Fig. 2 is the detailed maps of deceleration unit in embodiment in instruction diagram 1;
Fig. 3 is the detailed maps of driver element in embodiment in instruction diagram 1.
Description of reference numerals: 10-Electrical Bicycle power plant module; 12-first power unit; 14-deceleration unit; 142-eccentric shaft; 144-bearing; The circular external tooth gear of 146-; 1462-first gear teeth; 1464-limited post; 148-ring-type internal-gear; 1482-second gear teeth; 1410-position-arresting disk; 14102-circular hole; 16-second power unit; 18-driver element; 182-first ring bodies; 184-second ring bodies; 186-shares flange; HP
1-the first horsepower; HP
2-the second horsepower; HP
3-three horsepowers; HPS-manpower propulsion source.
Detailed description of the invention
For fully understanding the object of the present invention, feature and effect, hereby by following embodiment specifically, and coordinate appended graphic, the present invention be described in detail, illustrates as after.
Please refer to the exploded perspective view of the Electrical Bicycle power plant module of the embodiment of the present invention shown in Fig. 1.In the 1st figure, this Electrical Bicycle power plant module 10 comprises one first power unit 12, deceleration unit 14,1 second power unit 16 and a driver element 18.
This first power unit 12 has one first rotating speed and one first torsion, and such as this first power unit 12 is a motor (i.e. motor).In the present embodiment, this motor exports for a high rotating speed and a low torsion and illustrates.This first power unit 12 exports one first horsepower of HP
1(horsepower).Horsepower is defined as the product of this first rotating speed and this first torsion.
This deceleration unit 14 couples this first power unit 12, to receive this first horsepower of HP coming from this first power unit 12 and export
1.This first rotating speed is reduced to one second rotating speed by the function series of this deceleration unit 14, and allows this first torsion be promoted to one second torsion.This deceleration unit 14 exports one second horsepower of HP
2.It should be noted that this second torsion is greater than this first torsion.In the present embodiment, the composition of this deceleration unit 14 can with reference to the detailed structure view of the 2nd figure.
In fig. 2, this deceleration unit 14 comprises eccentric shaft 142, bearing 144, circular external tooth gear 146, ring-type internal-gear 148 and a position-arresting disk 1410.This eccentric shaft 142 together runs through this circular external tooth gear 146 after assembling with this bearing 144.This circular external tooth gear 146 is in conjunction with this position-arresting disk 1410.This circular external tooth gear 146 engages this ring-type internal-gear 148 partly.
The centre hole axis of this eccentric shaft 142 and the central coaxial of this deceleration unit 14, wherein the thickness of pipe of this eccentric shaft 142 is uneven.
This circular external tooth gear 146 has plural first gear teeth 1462 in outer rim, and the quantity of these first gear teeth 1462 is one first number of teeth T1.This circular external tooth gear 146 engages this ring-type internal-gear 148 partly.This circular external tooth gear 146 is provided with plural limited post 1464, for being combined with this position-arresting disk 1410.
This ring-type internal-gear 148 has plural second gear teeth 1482 in inner edge.The quantity of these second gear teeth 1482 is one second number of teeth T2.
This position-arresting disk 1410 includes plural circular hole 14102.The diameter of these circular holes 14102 is greater than the diameter of these limited posts 1464.
The operating principle of this deceleration unit 14: when this eccentric shaft 142 rotates, this eccentric shaft 142 promotes this circular external tooth gear 146 via this bearing 144.Because the thickness of pipe of this eccentric shaft 142 is uneven, therefore during this circular external tooth gear 146 start, the axle center of this circular external tooth gear 146 is also revocable.Moreover this circular external tooth gear 146 itself can not rotate along with this eccentric shaft 142 (namely this circular external tooth gear 146 does not do spinning movement with the axle center of oneself).This circular external tooth gear 146 is only be limited in these circular holes 14102 by these limited posts 1464 to do small movement.In the process of movement, these first gear teeth 1462 of this circular external tooth gear 146 part constantly can engage these second gear teeth 1482 of the part of this ring-type internal-gear 148.Because between these first gear teeth 1462 with these second gear teeth 1482, number of teeth number is not identical, this ring-type internal-gear 148 is therefore caused to rotate lentamente.
One of this deceleration unit 14 reduction ratio RR (reduction ratio) is defined as the ratio of this second number of teeth T2 and number of teeth difference D.This number of teeth difference D is that the tooth between this first number of teeth T1 and this second number of teeth T2 is poor.Therefore, the mathematic(al) representation of this reduction ratio RR is as follows:
RR=T2/D
It should be noted that the reduction ratio of this reduction ratio RR much larger than a traditional planetary reduction gear of this deceleration unit 14 of the present invention.
This second power unit 16 exports one the 3rd horsepower of HP
3.In the present embodiment, this second power unit 16 is illustrate for a pedal drive device, and a user can export a manpower propulsion source HPS (human power source) by this pedal drive device.
This driver element 18 couples this deceleration unit 14 and this second power unit 16, to export this second horsepower of HP
2or the 3rd horsepower of HP
3.In the lump with reference to shown in the 3rd figure, the 3rd figure system illustrates the detailed structure view of this driver element in the 1st figure.This driver element 18 has one first ring bodies 182,1 second ring bodies 184 and share method orchid coils 186.
This first ring bodies 182 and this second ring bodies 184 are coupled this shared flange 186 respectively.This first ring bodies 182 is combined into one first unilateral bearing with this shared flange 186, and this second ring bodies 184 is combined into one second unilateral bearing with this shared flange 186.This first unilateral bearing exports this second horsepower of HP
2or this second unilateral bearing exports the 3rd horsepower of HP
3.It should be noted that this first ring bodies 182 is with one first rotational speed, and this second ring bodies 184 is with one second rotational speed.This shared flange 186 is according to person large among this first rotating speed and this second rotating speed, be coupled this first ring bodies 182 or this second ring bodies 184 that is coupled, namely this first ring bodies 182 of the large person of this rotating speed or this second ring bodies 184, can affect this shared flange 186 to export this second horsepower of HP
2or the 3rd horsepower of HP
3.
For example, one first power unit 12 output speed 3000 per minute rotating speed (Revolution Per Minute, and an electrical power source of torsion 1 newton meter (Newton-meter), and this reduction ratio RR of this deceleration unit 14 is 30 rpm).After this first power unit 12 connects this deceleration unit 14, this deceleration unit 14 exports a propulsion source of a rotating speed 100rpm and torsion 30 newton meter.Export compared to this first power unit 12 this electrical power source original, the rotating speed of this electrical power source is down to 100rpm (slow speed of revolution) by 3000rpm (high rotating speed), and this torsion is promoted to 30Nm (high torsion) by 1Nm (low torsion).
The present invention discloses with preferred embodiment hereinbefore, so has the knack of the technology person and it should be understood that this embodiment only for describing the present invention, and should not be read as the scope of restriction the present invention.It should be noted, such as with change and the displacement of this embodiment equivalence, all should be set to and be covered by the category of the present invention.Therefore, the protection domain of the present invention is when being as the criterion with the claim person of defining.
Claims (4)
1. an Electrical Bicycle power plant module, comprises:
One first power unit, cording has one first rotating speed and one first torsion, and based on the product of this first rotating speed and this first torsion, this first power unit exports one first horsepower;
One deceleration unit, system couples this first power unit, and this first rotating speed is reduced to one second rotating speed by this deceleration unit, and this first torsion is promoted to one second torsion, based on the product of this second rotating speed and this second torsion, this deceleration unit exports one second horsepower;
One second power unit is output 1 the 3rd horsepower; And
One driver element, be couple this deceleration unit and this second power unit, this driver element exports this second horsepower or the 3rd horsepower.
2. Electrical Bicycle power plant module as claimed in claim 1, wherein this deceleration unit comprises an eccentric shaft, a bearing, a circular external tooth gear, a ring-type internal-gear and a position-arresting disk, after this eccentric shaft and this bearing are assembled, together run through this circular external tooth gear, this circular external tooth gear is in conjunction with this position-arresting disk, and this circular external tooth gear engages this ring-type internal-gear partly.
3. Electrical Bicycle power plant module as claimed in claim 2, wherein this circular external tooth gear has one first number of teeth, and this ring-type internal-gear has one second number of teeth, have a number of teeth between this first number of teeth and this second number of teeth poor, the ratio of this second number of teeth and this number of teeth difference is a reduction ratio.
4. Electrical Bicycle power plant module as claimed in claim 1, wherein this driver element comprises one first ring bodies, one second ring bodies and share method orchid dish, this first ring bodies and this second ring bodies are coupled this shared flange respectively to form one first unilateral bearing and one second unilateral bearing, this first ring bodies connects this deceleration unit, and this second ring bodies connects this second power unit, this first ring bodies is with one first rotational speed, and this second ring bodies is with one second rotational speed, according to the large person of medium speed of this first rotating speed and this second rotating speed, this shared flange is allowed to be subject to the traction of this first ring bodies or this second ring bodies, to export this second horsepower or the 3rd horsepower at this common flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410074449.2A CN104890800A (en) | 2014-03-03 | 2014-03-03 | Power module of electric bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410074449.2A CN104890800A (en) | 2014-03-03 | 2014-03-03 | Power module of electric bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104890800A true CN104890800A (en) | 2015-09-09 |
Family
ID=54023879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410074449.2A Pending CN104890800A (en) | 2014-03-03 | 2014-03-03 | Power module of electric bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104890800A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1050522A (en) * | 1989-09-28 | 1991-04-10 | 孟庆瑞 | Speed controllable solar energy electrically driven and pedal double-purpose bicycle |
| CN1264667A (en) * | 1999-02-26 | 2000-08-30 | 廖白光 | Stepless speed variator for mixed power of electric motor and engine |
| CN2719710Y (en) * | 2004-06-07 | 2005-08-24 | 彭德右 | Improved electric pedal cycle power structure |
| CN1754774A (en) * | 2004-09-27 | 2006-04-05 | 捷安特(中国)有限公司 | Electric bicycle central drive coaxial power set |
| CN202449162U (en) * | 2011-11-30 | 2012-09-26 | 张源琪 | Harmonic speed reducing driver for electric bicycle |
| CN203257991U (en) * | 2013-01-21 | 2013-10-30 | 苏州悍猛谐波机电有限公司 | Harmonic wave speed reducer |
| CN203358798U (en) * | 2013-01-21 | 2013-12-25 | 苏州悍猛谐波机电有限公司 | Bicycle driving module |
| CN104896015A (en) * | 2014-03-03 | 2015-09-09 | 苏州悍猛谐波机电有限公司 | High-torsion power module |
-
2014
- 2014-03-03 CN CN201410074449.2A patent/CN104890800A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1050522A (en) * | 1989-09-28 | 1991-04-10 | 孟庆瑞 | Speed controllable solar energy electrically driven and pedal double-purpose bicycle |
| CN1264667A (en) * | 1999-02-26 | 2000-08-30 | 廖白光 | Stepless speed variator for mixed power of electric motor and engine |
| CN2719710Y (en) * | 2004-06-07 | 2005-08-24 | 彭德右 | Improved electric pedal cycle power structure |
| CN1754774A (en) * | 2004-09-27 | 2006-04-05 | 捷安特(中国)有限公司 | Electric bicycle central drive coaxial power set |
| CN202449162U (en) * | 2011-11-30 | 2012-09-26 | 张源琪 | Harmonic speed reducing driver for electric bicycle |
| CN203257991U (en) * | 2013-01-21 | 2013-10-30 | 苏州悍猛谐波机电有限公司 | Harmonic wave speed reducer |
| CN203358798U (en) * | 2013-01-21 | 2013-12-25 | 苏州悍猛谐波机电有限公司 | Bicycle driving module |
| CN104896015A (en) * | 2014-03-03 | 2015-09-09 | 苏州悍猛谐波机电有限公司 | High-torsion power module |
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Application publication date: 20150909 |