CN105905225B - Sensor for axle system and electric assisted bicycle - Google Patents
Sensor for axle system and electric assisted bicycle Download PDFInfo
- Publication number
- CN105905225B CN105905225B CN201610516809.9A CN201610516809A CN105905225B CN 105905225 B CN105905225 B CN 105905225B CN 201610516809 A CN201610516809 A CN 201610516809A CN 105905225 B CN105905225 B CN 105905225B
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- China
- Prior art keywords
- elastomer
- axis
- left axis
- sensor
- fluted disc
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Classifications
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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
- B62M6/45—Control or actuating devices therefor
- B62M6/50—Control or actuating devices therefor characterised by detectors or sensors, or arrangement thereof
Abstract
The present invention relates to traffic machinery technical fields, more particularly, to a kind of sensor for axle system and electric assisted bicycle.The system includes: left axis, right axis, elastomer and torque sensor；One end of left axis is connected with one end of right axis, and elastomer sleeve is located on left axis, and torque sensor is arranged on elastomer；The other end of the other end of left axis and right axis is respectively used to connect with pedal crank.When user's reality output driving power, the power of output just can deformation occurs is detected by torque sensor and Moped Scooter is driven to advance by elastomer, to improve the precision of torque sensor measurement, is used convenient for user, also improve the safety of electric assisted bicycle.It in addition, elastomer is provided only on left axis, can effectively shorten the length of elastomer, so that the torque stroke of elastomer shortens, be trampled even if encountering violence, be also not susceptible to irreversible deformation and detection accuracy is caused to decline.
Description
Technical field
The present invention relates to traffic machinery technical field, more particularly, to a kind of sensor for axle system and it is electric boosted from
Driving.
Background technique
Electric assisted bicycle refers to using battery as supplementary energy on the basis of ordinary bicycle, is mounted with electricity
The vehicles of the electromechanical integration of the control members such as machine, controller, battery, handle, brake lever and display instrument system.
Electric assisted bicycle in the prior art, it includes have one be set to bicycle middle shaft torque sensor, one with
The relatively-stationary wireless signal transmitter of axis and a wireless signal receiver, the wireless signal receiver are set to fixed
The one of the bicycle body is adjacent to the position of axis, sense which is issued to receive the torque sensor
Signal is surveyed, then is sent to the wireless signal receiver in a non contact fashion.
There are also a kind of electric assisted bicycles for the prior art comprising motor, axis, strain sleeve, torque sensor, double
Logical to freewheel clutch, sprocket support and five, strain sleeve is sleeved on axis, and one end is fixed on five logical upper and and bidirectional overtakings
Clutch is connected, and the other end is fixedly connected with axis, strains the outer surface of the inner surface fitting axis of sleeve；Strain sleeve
Torque sensor is pasted in outer surface, and torque sensor transmits a signal to controller, and controller controls motor output；Bidirectional overtaking
Clutch is divided into inner ring, centre circle and outer ring, and centre circle is fixedly connected with sprocket support, and inner ring is connected with strain sleeve, outer ring and electricity
Machine output section is connected.
But former electric assisted bicycle in the prior art, torque sensor are set to the axis of bicycle.In
When measuring torque, understands the firmly difference due to left and right foot and occur detecting unbalanced phenomenon；Moreover, when left and right foot is exerted oneself simultaneously
When trampling, bicycle middle shaft due to trampling and deformation occurs, but it is practical there is no output driving powers, and be located at the torque of axis
Sensor will be unable to the actual conditions for being accurately judged to trample, the situation of Yi Fasheng power-assisted mistake, and the person of being not convenient to use uses, and
Poor safety performance.
And latter electric vehicle, the strain sleeve on axis are fixedly connected with axis, pedal crank is directly installed on strain
The outer surface of sleeve, the strain sleeve other end are connected with double rolling key clutch, and pedal force passes through strain sleeve transmitting completely, and
The torque stroke for straining sleeve is longer, such as encounters violence and tramples, it is likely that irreversible deformation can occur, cause under detection accuracy
Drop.
So electric assisted bicycle in the prior art, which exists, is unable to judge accurately out the actual conditions trampled, Yi Fa
The situation of raw power-assisted mistake, and strain sleeve easily deform and cause measurement not accurate, and the person of being not convenient to use uses, and pacify
Full performance is poor.
Summary of the invention
The purpose of the present invention is to provide sensor for axle system and electric assisted bicycles, to solve in the prior art
The existing actual conditions trampled, the situation of Yi Fasheng power-assisted mistake, and the strain sleeve of being unable to judge accurately out easily becomes
Shape and cause measurement not accurate, the person of being not convenient to use uses, and the technical issues of poor safety performance.
A kind of sensor for axle system provided by the invention, comprising: left axis, right axis, elastomer and torque sensor；
One end of left axis is connected with one end of right axis, and elastomer sleeve is located on left axis, and torque sensor is arranged on elastomer；
The other end of the other end of left axis and right axis is respectively used to connect with pedal crank.
Further, left axis and right axis are hollow shaft.
Further, left axis is connected with right axis by mandrel connector.
Further, sensor for axle further includes output panel；Output panel is set on elastomer, and output panel is positioned at left
The junction of axis and right axis；Output end is used to be sequentially connected with fluted disc.
Further, output panel includes input terminal and output end；Input terminal and output end are hollow cylindrical body；Input
End is connect with elastomer, and output end is used to be sequentially connected with fluted disc.
Further, sensor for axle further includes planetary mechanism；Planetary mechanism is set in outside output end；Output end passes through row
Star mechanism and fluted disc are sequentially connected.
Further, elastomer is the hollow housing of both ends open；One side opening of elastomer is fixedly connected with left axis,
Another side opening of elastomer is plugged in input terminal.
The present invention also provides a kind of electric assisted bicycles, including vehicle frame and above-mentioned sensor for axle system；It is left
Axis and right axis are rotatably connected on vehicle frame.
The present invention also provides a kind of electric assisted bicycles, including vehicle frame, fluted disc and above-mentioned sensor for axle system；
Left axis and right axis are rotatably connected on vehicle frame；Fluted disc is rotatably connected on vehicle frame, and output panel and fluted disc are rotatablely connected.
Further, electric assisted bicycle further includes motor, controller and battery；Motor, controller and battery are all provided with
It sets on vehicle frame, motor and fluted disc are sequentially connected, and motor and torque sensor are electrically connected with the controller；Battery and controller electricity
Connection, to power to controller.
One end of left axis is connect by sensor for axle system provided by the invention with one end of right axis, will be elastic
Body is arranged on left axis, and torque sensor is arranged on elastomer, in this way, the pedal force of left axis and right axis are stepped on
Legpower is transmitted by elastomer, avoids the firmly difference when left and right foot and occurs detecting unbalanced phenomenon.
When left and right foot is firmly trampled simultaneously, bicycle middle shaft is due to trampling and deformation occurs, but practical there is no export
Driving power can't deformation occurs in this case since elastomer is only arranged on left axis.
And when user's reality output driving power, the power of output just can deformation occurs by torque by elastomer
Sensor detects and electric assisted bicycle is driven to advance, so that the precision of torque sensor measurement is improved, convenient for making
User uses, and also improves the safety of electric assisted bicycle.
In addition, elastomer is provided only on left axis, it can effectively shorten the length of elastomer, so that elastomer
Torque stroke shortens, and such as encounters violence and tramples, and is not susceptible to irreversible deformation and detection accuracy is caused to decline.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic diagram of sensor for axle system provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of sensor for axle system provided in an embodiment of the present invention.
Appended drawing reference:
The left axis of 1-；2- elastomer；3- torque sensor；
4- output panel；The right axis of 5-；6- mandrel connector；
7- planetary mechanism.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Fig. 1 is the schematic diagram of sensor for axle system provided in an embodiment of the present invention.As shown in Figure 1, the present embodiment provides
A kind of sensor for axle system, comprising: left axis 1, right axis 5, elastomer 2 and torque sensor 3；One end of left axis 1
It is connected with one end of right axis 5, elastomer 2 is set on left axis 1, and torque sensor 3 is arranged on elastomer 2；Left axis 1
The other end and the other end of right axis 5 be respectively used to connect with pedal crank.
Wherein, the structure type of elastomer 2 can be a variety of, such as: elastomer 2 is in circular cone or pyramid, and it is
The hollow housing of both ends open；Elastomer 2 is set on left axis 1, and one end and left axis 1 are fixed, and the other end passes through transmission
Component and fluted disc are rotatablely connected.Certainly, elastomer 2 can also be in inner hollows such as corrugated tube shape, square or cuboids
Shell etc..
The material of elastomer 2 may be a variety of, such as: stainless steel, copper, aluminium alloy or duroplasts etc..
The connection type of left axis 1 and right axis 5 can be a variety of, such as: all it is arranged on left axis 1 and right axis 5
There is external screw thread, there is the casing connection of the internal screw thread matched with external screw thread by one.Certainly, in order to make left axis 1 and the right side
The connection of axis 5 is more stable, can be all provided on the side wall of casing, on the side wall of left axis 1 and on the side wall of right axis 5
It is equipped with threaded hole, is connect casing and left axis 1 and casing with right axis 5 using bolt.It is of course also possible to by clip,
The modes such as ring flange or welding are attached.
Preferably, left axis 1 and right axis 5 are connected by mandrel connector 6.Certainly, in order to improve left axis 1 and right axis
Intensity between 5 can be provided with screw thread on the side wall of the side wall of mandrel connector 6, the side wall of left axis 1 and right axis 5
Hole is respectively reinforced mandrel connector 6 and left axis 1 and mandrel connector 6 and right axis 5 using bolt, to improve left
The bonding strength of axis 1 and right axis 5 improves the service performance and service life of sensor for axle system.
One end of left axis 1 is connect by sensor for axle system provided in this embodiment with one end of right axis 5, will
Elastomer 2 be arranged on left axis 1, and by torque sensor 3 be arranged on elastomer 2, in this way, the pedal force of left axis 1 and
The pedal force of right axis 5 passes through elastomer 2 and transmits, and avoids the firmly difference when left and right foot and occurs detecting unbalanced existing
As.
When left and right foot is firmly trampled simultaneously, bicycle middle shaft is due to trampling and deformation occurs, but practical there is no export
Driving power, elastomer 2 can't deformation occurs.
And when user's reality output carries out power, the power of output just can deformation occurs by power by elastomer 2
Square sensor 3 detects and electric assisted bicycle is driven to advance, to improve the precision of the measurement of torque sensor 3, just
It is used in user, also improves the safety of electric assisted bicycle.
In addition, elastomer 2 is provided only on left axis 1, it can effectively shorten the length of elastomer 2, so that elastic
The torque stroke of body 2 shortens, and such as encounters violence and tramples, and is not susceptible to irreversible deformation and detection accuracy is caused to decline.
Fig. 2 is the structural schematic diagram of sensor for axle system provided in an embodiment of the present invention.As shown in Fig. 2, in above-mentioned reality
On the basis of applying example, further, left axis 1 and right axis 5 are hollow shaft.
In the present embodiment, left axis 1 and right axis 5 are designed to hollow shaft, it is possible to reduce the weight of built-in motor mentions
The high working efficiency of built-in motor.
As shown in Fig. 2, on the basis of the above embodiments, further, sensor for axle further includes output panel 4；Output
Disk 4 is set on elastomer 2, and output panel 4 is located at the junction of left axis 1 and right axis 5；Output end is used to be driven with fluted disc
Connection.
Wherein, the connection type of output panel 4 and elastomer 2 can be a variety of, such as: output panel 4 and elastomer 2 can weld
It connects, spline connects or by engagement of gear etc..
The transmission connection mode of output panel 4 and fluted disc can be a variety of, such as: be provided with gear on output panel 4, gear and
Fluted disc is connected by chain drive；It is of course also possible to engaged by least one level gear with fluted disc etc..
As shown in Fig. 2, on the basis of the above embodiments, further, output panel 4 includes input terminal and output end；It is defeated
Enter end and output end is hollow cylindrical body；Input terminal is connect with elastomer 2, and output end is used to be sequentially connected with fluted disc.
In the present embodiment, output panel 4 is designed to the big output end of a diameter and the small input terminal of a diameter, it will
The small output end of diameter is connect with elastomer 2, the big output end of diameter and fluted disc is sequentially connected, to reduce 2 ruler of elastomer
It is very little, and then the probability that elastomer 2 is plastically deformed is reduced, improve the service performance of sensor for axle system.
As shown in Fig. 2, on the basis of the above embodiments, further, sensor for axle further includes planetary mechanism 7；Row
Star mechanism 7 is set in outside output end；Output end is sequentially connected by planetary mechanism 7 and fluted disc.
It is arranged planetary mechanism 7 outside output panel 4, is accelerated using planetary mechanism 7, to improve the effect of pedal force output
Rate.
As shown in Fig. 2, on the basis of the above embodiments, further, elastomer 2 is the hollow housing of both ends open；
One side opening of elastomer 2 is fixedly connected with left axis 1, and another side opening of elastomer 2 is plugged in input terminal.
The present embodiment additionally provides a kind of electric assisted bicycle, including vehicle frame and above-mentioned sensor for axle system；
Left axis 1 and right axis 5 are rotatably connected on vehicle frame.
One end of left axis 1 is connect by sensor for axle system provided in this embodiment with one end of right axis 5, will
Elastomer 2 be arranged on left axis 1, and by torque sensor 3 be arranged on elastomer 2, in this way, the pedal force of left axis 1 and
The pedal force of right axis 5 passes through elastomer 2 and transmits, and avoids the firmly difference when left and right foot and occurs detecting unbalanced existing
As.
When left and right foot is firmly trampled simultaneously, bicycle middle shaft is due to trampling and deformation occurs, but practical there is no export
Driving power, elastomer 2 can't deformation occurs.
And when user's reality output driving power, the power of output just can deformation occurs by power by elastomer 2
Square sensor 3 detects and electric assisted bicycle is driven to advance, to improve the precision of the measurement of torque sensor 3, just
It is used in user, also improves the safety of Moped Scooter.
In addition, elastomer 2 is provided only on left axis 1, it can effectively shorten the length of elastomer 2, so that elastic
The torque stroke of body 2 shortens, and such as encounters violence and tramples, and is not susceptible to irreversible deformation and detection accuracy is caused to decline.
The present embodiment additionally provides a kind of electric assisted bicycle, including vehicle frame, fluted disc and above-mentioned sensor for axle system
System；Left axis 1 and right axis 5 are rotatably connected on vehicle frame；Fluted disc is rotatably connected on vehicle frame, and output panel 4 and fluted disc rotate
Connection.
Further, electric assisted bicycle further includes motor, controller and battery；Motor, controller and battery are all provided with
It sets on vehicle frame, motor and fluted disc are sequentially connected, and motor and torque sensor 3 are electrically connected with the controller；Battery and controller
Electrical connection, to power to controller.
Using 3 system of axis torque sensor in above-described embodiment, electric assisted bicycle can be effectively improved
The accuracy of power-assisted improves the safety of electric assisted bicycle.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (6)
1. a kind of sensor for axle system characterized by comprising left axis, right axis, elastomer and torque sensor；
One end of the left axis is fixedly connected with one end of the right axis, and the elastomer sleeve is located on the left axis,
The torque sensor is arranged on the elastomer；The other end of the other end of the left axis and the right axis is used respectively
It is connect in pedal crank；
It further include output panel；The output panel is set on the elastomer, and the output panel is located at the left axis and institute
State the junction of right axis；The output panel is used to be sequentially connected with fluted disc；
The output panel includes input terminal and output end；The diameter of the output end is greater than the diameter of the input terminal；It is described defeated
Enter end and the output end is hollow cylindrical body；The input terminal is connect with the elastomer, the output end be used for
Fluted disc transmission connection；
It further include planetary mechanism；The planetary mechanism is set in outside the output end；The output end passes through the planetary mechanism
It is sequentially connected with fluted disc；
The elastomer is the hollow housing of both ends open；One side opening of the elastomer is fixedly connected with the left axis,
Another side opening of the elastomer is plugged in the input terminal.
2. sensor for axle system according to claim 1, which is characterized in that the left axis and the right axis are
Hollow shaft.
3. sensor for axle system according to claim 1, which is characterized in that the left axis and the right axis pass through
Mandrel connector connection.
4. a kind of electric assisted bicycle, which is characterized in that including vehicle frame and axis as described in any one of claims 1-3
Sensing system；
The left axis and the right axis are rotatably connected on the vehicle frame.
5. a kind of electric assisted bicycle, which is characterized in that including vehicle frame, fluted disc and as described in claim any one of 1-3
Sensor for axle system；
The left axis and the right axis are rotatably connected on the vehicle frame；The fluted disc is rotatably connected on the vehicle frame
On, the output panel and the fluted disc are rotatablely connected.
6. electric assisted bicycle according to claim 5, which is characterized in that further include motor, controller and battery；
The motor, the controller and the battery are arranged on the vehicle frame, and the motor and fluted disc transmission connect
It connects, the motor and the torque sensor are electrically connected with the controller；The battery is electrically connected with the controller, with
It powers to the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610516809.9A CN105905225B (en) | 2016-07-01 | 2016-07-01 | Sensor for axle system and electric assisted bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610516809.9A CN105905225B (en) | 2016-07-01 | 2016-07-01 | Sensor for axle system and electric assisted bicycle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105905225A CN105905225A (en) | 2016-08-31 |
| CN105905225B true CN105905225B (en) | 2019-11-08 |
Family
ID=56754124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610516809.9A Active CN105905225B (en) | 2016-07-01 | 2016-07-01 | Sensor for axle system and electric assisted bicycle |
Country Status (1)
| Country | Link |
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| CN (1) | CN105905225B (en) |
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| CN103171733A (en) * | 2013-04-09 | 2013-06-26 | 苏州八方电机科技有限公司 | Central-shaft torque sensing device for electric bicycle |
| CN103381875A (en) * | 2013-08-08 | 2013-11-06 | 苏州捷诚科技有限公司 | Central shaft type torque sensor |
| CN103935456A (en) * | 2014-04-01 | 2014-07-23 | 钟德斌 | Centre shaft moment sensor |
| CN203780722U (en) * | 2013-12-26 | 2014-08-20 | 天津市盛美自行车有限公司 | One-piece middle axle of bicycle |
| CN204021176U (en) * | 2014-05-29 | 2014-12-17 | 苏州雄风电机有限公司 | Electric bicycle motor |
| CN205916281U (en) * | 2016-07-01 | 2017-02-01 | 武汉千斤智能科技有限公司 | Axis sensor system and electric bicycle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2617674Y (en) * | 2003-04-10 | 2004-05-26 | 瑞奕科技股份有限公司 | Step power sensor of electric bicycle |
| ITMI20071221A1 (en) * | 2007-06-19 | 2008-12-20 | Campagnolo Srl | ASSEMBLY OF PEDIVELLA AND RELATIVE CRANKCASE AND ELEMENT FOR TORQUE TRANSMISSION FROM CRANK TO A BICYCLE CHAIN |
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2016
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2384961A2 (en) * | 2010-05-04 | 2011-11-09 | Geping Chen | Power transmission mechanism for electric power-assist bicycle |
| WO2013041900A1 (en) * | 2011-09-20 | 2013-03-28 | Aktiebolaget Skf | Crankset assembly for a bicycle and bicycle equipped with such a crankset assembly |
| CN103171733A (en) * | 2013-04-09 | 2013-06-26 | 苏州八方电机科技有限公司 | Central-shaft torque sensing device for electric bicycle |
| CN103381875A (en) * | 2013-08-08 | 2013-11-06 | 苏州捷诚科技有限公司 | Central shaft type torque sensor |
| CN203780722U (en) * | 2013-12-26 | 2014-08-20 | 天津市盛美自行车有限公司 | One-piece middle axle of bicycle |
| CN103935456A (en) * | 2014-04-01 | 2014-07-23 | 钟德斌 | Centre shaft moment sensor |
| CN204021176U (en) * | 2014-05-29 | 2014-12-17 | 苏州雄风电机有限公司 | Electric bicycle motor |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105905225A (en) | 2016-08-31 |
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