CN103935458A - Moment sensing system of electric power assisting bicycle - Google Patents
Moment sensing system of electric power assisting bicycle Download PDFInfo
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- CN103935458A CN103935458A CN201410133598.1A CN201410133598A CN103935458A CN 103935458 A CN103935458 A CN 103935458A CN 201410133598 A CN201410133598 A CN 201410133598A CN 103935458 A CN103935458 A CN 103935458A
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- elastic body
- sensing system
- moment sensing
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Abstract
The invention provides a moment sensing system of an electric power assisting bicycle. The moment sensing system comprises a chain wheel (7), an elastic body (6), strain foil (4), a hinged part (9) and an adjustment mechanism (5). The chain wheel (7) is arranged at one end of the elastic body (6), the hinged part (9) is arranged at the other end of the elastic body (6), the strain foil (4) is arranged on the elastic body (6) and deformed along with deformation of the elastic body (6), and a rotating angle between the elastic body (6) and the hinged part (9) is limited through the adjustment mechanism (5). According to the moment sensing system, chain tensioning force generated by manpower treading is detected by detecting the deformation of the strain foil, a motor is controlled according to the tensioning force to output driving torque in proportion, the higher the manpower treading moment is, the larger the torque output by the motor in the proportion set by a program is, the motor assisting driving function is achieved, it can be guaranteed that the motor operates within an efficient region all the time through joint driving of manpower and motor assisting, and the energy-saving aim is achieved.
Description
Technical field
The present invention relates to motor torque sensor-based system, particularly, relate to electric assisted bicycle moment sensing system.
Background technology
Traditional Electrical Bicycle is all to trample stretcher by rider, drive axis, by the torque sensor system being arranged on axis, realize torque-feedback, its advantage is that volume is little, good concealment, highly versatile, but its key position exists complex structure, reacts unreliable and holds damageable defect.
Summary of the invention
For defect of the prior art, the object of this invention is to provide a kind of simple and reasonable electric assisted bicycle moment sensing system.
According to a kind of electric assisted bicycle moment sensing system provided by the invention, comprising: sprocket wheel, elastic body, strain-gauge, articulated section, adjusting mechanism;
Sprocket wheel is arranged on elastomeric one end, and articulated section is arranged on the elastomeric other end;
Strain-gauge is arranged on elastic body, and strain-gauge deforms along with elastomeric distortion;
Rotational angle between elastic body and articulated section is limited by adjusting mechanism.
Preferably, also comprise vehicle frame and driving system;
Adjusting mechanism is installed on vehicle frame, and elastic body is installed on vehicle frame by articulated section;
The be adjusted application of force of mechanism of elastic body, makes the sprocket wheel that is positioned at elastic body one end carry out tensioning to the chain of driving system.
Preferably, also comprise bicycle controller;
Strain-gauge deforms along with elastomeric distortion, thereby chain tension signal is converted to electric signal transmission to bicycle controller, and bicycle controller is for control the horsepower output of central-shaft motor according to described electric signal, to realize power-assisted effect.
Preferably, bicycle controller is trampled the chain tension of generation according to described electrical signal detection manpower, then according to chain tension size, controls central-shaft motor and exports in proportion driving torque.
Preferably, adjusting mechanism comprises: adjust slide block, permanent seat and adjustment screw; Permanent seat is fixed on vehicle frame, adjusts slide block and is placed on permanent seat, adjusts screw and is arranged on permanent seat, adjusts screw can change the position of adjusting slide block by rotation, adjusts slipper push elastic body and is out of shape and makes chain in tensioning state.
Compared with prior art, the present invention has following beneficial effect:
Moment sensing system of the present invention detects by detecting the deflection of strain-gauge the chain tension that manpower is trampled generation, according to tensile force size, control motor and export in proportion driving torque, thereby realizing manpower, to trample moment higher, motor is larger according to the ratio output torque of program setting, realize motor and help power-actuated function, and manpower and the common driving of motor power-assisted can guarantee that motor, always in the operation of efficient district, reaches energy-conservation object.
Accompanying drawing explanation
By reading the detailed description of non-limiting example being done with reference to the following drawings, it is more obvious that other features, objects and advantages of the present invention will become:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the concrete structure schematic diagram of adjusting mechanism of the present invention.
In figure:
1 is vehicle frame;
2 is chain wheel;
3 is chain;
4 is strain-gauge;
5 is adjusting mechanism;
6 is elastic body;
7 is sprocket wheel;
8 is flywheel;
9 is articulated section.
The specific embodiment
Below in conjunction with specific embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art further to understand the present invention, but not limit in any form the present invention.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, can also make some distortion and improvement.These all belong to protection scope of the present invention.
According to electric assisted bicycle moment sensing system provided by the invention, comprise vehicle frame 1, strain-gauge 4, adjusting mechanism 5, elastic body 6, driving system; Driving system comprises chain wheel 2, sprocket wheel 7, flywheel 8 and chain 3 etc., chain wheel 2 is fixed on vehicle frame 1 by axis, sprocket wheel 7 is fixed on vehicle frame 1 by elastic body 6, and flywheel 8 is fixed on vehicle frame 1 by flywheel shaft, and chain 3 is arranged on chain wheel 2, sprocket wheel 7 and flywheel 8.Strain-gauge 4 is fixed on elastic body 6, between elastic body 6 and vehicle frame 1, adjusting mechanism 5 is housed.
Described chain 3 under the effect of elastic body 6 in tensioning state.
Described strain-gauge 4 is fixed on elastic body 6, and strain-gauge 4 deforms along with the distortion of elastic body 6, thereby realize, the tension signal of chain 3 is converted to the electric signal that bicycle controller can be identified, and to control output power of motor, realizes the effect of power-assisted.
Described adjusting mechanism 5 is fixed between elastic body 6 and vehicle frame 1, can adjust by adjusting mechanism 5 tensile force of chain.As shown in Figure 2, described adjusting mechanism 5 comprises the concrete structure of described adjusting mechanism 5: adjust slide block 11, permanent seat 12 and adjust screw 13; Permanent seat 12 is fixed on vehicle frame, adjusting slide block 11 is placed on permanent seat 12, adjust screw 13 and be arranged on permanent seat 12, by rotation, adjust screw 13 and can change the position of adjusting slide block 11, adjust slide block 11 promotion elastic bodys 6 and be out of shape and make chain 7 in tensioning state.
Above specific embodiments of the invention are described.It will be appreciated that, the present invention is not limited to above-mentioned specific implementations, and those skilled in the art can make various distortion or modification within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (5)
1. an electric assisted bicycle moment sensing system, is characterized in that, comprising: sprocket wheel (7), elastic body (6), strain-gauge (4), articulated section (9), adjusting mechanism (5);
Sprocket wheel (7) is arranged on one end of elastic body (6), and articulated section (9) are arranged on the other end of elastic body (6);
It is upper that strain-gauge (4) is arranged on elastic body (6), and strain-gauge (4) deforms along with the distortion of elastic body (6);
Rotational angle between elastic body (6) and articulated section (9) is limited by adjusting mechanism (5).
2. electric assisted bicycle moment sensing system according to claim 1, is characterized in that, also comprises vehicle frame and driving system;
Adjusting mechanism (5) is installed on vehicle frame, and elastic body (6) is installed on vehicle frame by articulated section (9);
The be adjusted application of force of mechanism (5) of elastic body (6), makes the sprocket wheel (7) that is positioned at elastic body (6) one end carry out tensioning to the chain of driving system.
3. electric assisted bicycle moment sensing system according to claim 2, is characterized in that, also comprises bicycle controller;
Strain-gauge (4) deforms along with the distortion of elastic body (6), thereby chain tension signal is converted to electric signal transmission to bicycle controller, bicycle controller is for control the horsepower output of central-shaft motor according to described electric signal, to realize power-assisted effect.
4. electric assisted bicycle moment sensing system according to claim 3, it is characterized in that, bicycle controller is trampled the chain tension of generation according to described electrical signal detection manpower, then according to chain tension size, controls central-shaft motor and exports in proportion driving torque.
5. electric assisted bicycle moment sensing system according to claim 2, is characterized in that, adjusting mechanism (5) comprising: adjust slide block (11), permanent seat (12) and adjust screw (13); Permanent seat (12) is fixed on vehicle frame, adjusting slide block (11) is placed on permanent seat (12), adjusting screw (13) is arranged on permanent seat (12), by rotation, adjust screw (13) and can change the position of adjusting slide block (11), adjust slide block (11) promotion elastic body (6) and be out of shape and make chain (7) in tensioning state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410133598.1A CN103935458B (en) | 2014-04-03 | 2014-04-03 | Electric assisted bicycle moment sensing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410133598.1A CN103935458B (en) | 2014-04-03 | 2014-04-03 | Electric assisted bicycle moment sensing system |
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| Publication Number | Publication Date |
|---|---|
| CN103935458A true CN103935458A (en) | 2014-07-23 |
| CN103935458B CN103935458B (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410133598.1A Active CN103935458B (en) | 2014-04-03 | 2014-04-03 | Electric assisted bicycle moment sensing system |
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| Country | Link |
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| CN (1) | CN103935458B (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105015693A (en) * | 2015-07-10 | 2015-11-04 | 南京理工大学 | Electric moped with compact structure |
| CN105015694A (en) * | 2015-07-10 | 2015-11-04 | 南京理工大学 | Running method of electric aided-bicycle |
| CN105015691A (en) * | 2015-07-10 | 2015-11-04 | 南京理工大学 | Electric assisted vehicle |
| CN105035248A (en) * | 2015-07-10 | 2015-11-11 | 南京理工大学 | Operation method of electric power-assisted bicycle |
| CN105035249A (en) * | 2015-07-10 | 2015-11-11 | 南京理工大学 | Operation method of electric aided-bicycle and electric aided-bicycle |
| CN105129014A (en) * | 2015-07-10 | 2015-12-09 | 南京理工大学 | Electric bicycle and operation method of same |
| CN105129015A (en) * | 2015-07-10 | 2015-12-09 | 南京理工大学 | High reliability electric bicycle and operation method thereof |
| CN105129013A (en) * | 2015-07-10 | 2015-12-09 | 南京理工大学 | Electric bicycle |
| CN107792289A (en) * | 2017-06-28 | 2018-03-13 | 浙江鑫驱科技有限公司 | A kind of power-aid bicycle |
| CN112660292A (en) * | 2020-12-30 | 2021-04-16 | 大川电机科技(江苏)有限公司 | Split torque acquisition device of power-assisted bicycle |
| CN114475894A (en) * | 2022-03-09 | 2022-05-13 | 安乃达驱动技术(上海)股份有限公司 | Automatic power adjusting method and system for electric bicycle |
Citations (3)
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| JP2007230410A (en) * | 2006-03-02 | 2007-09-13 | Matsushita Electric Ind Co Ltd | Power-assisted bicycle |
| US20120048634A1 (en) * | 2010-08-30 | 2012-03-01 | Masahiro Kuroki | Bicycle with auxiliary power unit |
| CN203806092U (en) * | 2014-04-03 | 2014-09-03 | 新安乃达驱动技术(上海)有限公司 | Torque sensing system of electrically power assisted cycle |
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2014
- 2014-04-03 CN CN201410133598.1A patent/CN103935458B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007230410A (en) * | 2006-03-02 | 2007-09-13 | Matsushita Electric Ind Co Ltd | Power-assisted bicycle |
| US20120048634A1 (en) * | 2010-08-30 | 2012-03-01 | Masahiro Kuroki | Bicycle with auxiliary power unit |
| CN203806092U (en) * | 2014-04-03 | 2014-09-03 | 新安乃达驱动技术(上海)有限公司 | Torque sensing system of electrically power assisted cycle |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105015693A (en) * | 2015-07-10 | 2015-11-04 | 南京理工大学 | Electric moped with compact structure |
| CN105015694A (en) * | 2015-07-10 | 2015-11-04 | 南京理工大学 | Running method of electric aided-bicycle |
| CN105015691A (en) * | 2015-07-10 | 2015-11-04 | 南京理工大学 | Electric assisted vehicle |
| CN105035248A (en) * | 2015-07-10 | 2015-11-11 | 南京理工大学 | Operation method of electric power-assisted bicycle |
| CN105035249A (en) * | 2015-07-10 | 2015-11-11 | 南京理工大学 | Operation method of electric aided-bicycle and electric aided-bicycle |
| CN105129014A (en) * | 2015-07-10 | 2015-12-09 | 南京理工大学 | Electric bicycle and operation method of same |
| CN105129015A (en) * | 2015-07-10 | 2015-12-09 | 南京理工大学 | High reliability electric bicycle and operation method thereof |
| CN105129013A (en) * | 2015-07-10 | 2015-12-09 | 南京理工大学 | Electric bicycle |
| CN105015694B (en) * | 2015-07-10 | 2018-04-03 | 南京理工大学 | A kind of operation method of electric assisted bicycle |
| CN107792289A (en) * | 2017-06-28 | 2018-03-13 | 浙江鑫驱科技有限公司 | A kind of power-aid bicycle |
| CN112660292A (en) * | 2020-12-30 | 2021-04-16 | 大川电机科技(江苏)有限公司 | Split torque acquisition device of power-assisted bicycle |
| CN114475894A (en) * | 2022-03-09 | 2022-05-13 | 安乃达驱动技术(上海)股份有限公司 | Automatic power adjusting method and system for electric bicycle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103935458B (en) | 2016-05-11 |
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Address after: 201108 Minhang District City, Shanghai Road, No. 2060, 1-3 floor, 5 Patentee after: Xin'an Naida drive technology (Shanghai) Limited by Share Ltd Address before: 201108 Minhang District City, Shanghai Road, No. 2060, 1-3 floor, 5 Patentee before: Xinan Naida Drive Technology (Shanghai) Co.,Ltd. |
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Address after: 201100 floor 1-2, block a, 19 Lane 133, Guangzhong Road, Minhang District, Shanghai Patentee after: Aneida drive technology (Shanghai) Co., Ltd Address before: 201108, Minhang District, Shanghai Garden Road No. 5, 2060, 1-3 Patentee before: Xin'an Naida drive technology (Shanghai) Limited by Share Ltd |