CN106218801B - It is a kind of applied to bicycle or the power meter of motive-force-assisted bicycle - Google Patents
It is a kind of applied to bicycle or the power meter of motive-force-assisted bicycle Download PDFInfo
- Publication number
- CN106218801B CN106218801B CN201610788665.2A CN201610788665A CN106218801B CN 106218801 B CN106218801 B CN 106218801B CN 201610788665 A CN201610788665 A CN 201610788665A CN 106218801 B CN106218801 B CN 106218801B
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- Prior art keywords
- power
- torque acquisition
- bicycle
- axis
- acquisition set
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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
- B62M3/00—Construction of cranks operated by hand or foot
- B62M3/16—Accessories
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
- G01L3/24—Devices for determining the value of power, e.g. by measuring and simultaneously multiplying the values of torque and revolutions per unit of time, by multiplying the values of tractive or propulsive force and velocity
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The present invention provides a kind of applied to bicycle or the power meter of motive-force-assisted bicycle, the power meter include: axis, and one end of the axis is connected with right crank, and the other end of the axis is connected with left crank, is fixedly connected with fluted disc on the right crank；Torque acquisition set, the torque acquisition set are inserted into the axis, and the torque acquisition set both ends are fitted closely with the axis；The torque acquisition set surface is equipped with strain sensing patch；Power pen, the power penholder enter in the torque acquisition set, and the power pen sends the signal processing that the strain sensing patch exports；Power meter of the invention is easy for installation, and can accurately measure the pedal force of left foot.
Description
Technical field
The invention belongs to bicycle electric accessory technical fields, more particularly to one kind to be applied to bicycle or auxiliary power certainly
The power meter of driving.
Background technique
Power meter at this stage is obtained the acting of bicyclist by measurement pedal force, facilitates bicyclist's reasonable distribution body
Power.Usually there is torsion sensor design on crank, or design, on sprocket wheel, all in the presence of structure is complicated, measurement is inaccurate
The cost of true problem, especially later period repacking is very high, troublesome maintenance.
Bicycle crank is the important attachments of a bicycle that stampede power is transferred to rear-wheel, during left crank and right crank pass through
Axis connection is got up, and furthermore right crank connects sprocket wheel.Furthermore axis is installed on vehicle frame by bearing, so that two cranks are together with connecting shaft
It can be rotated on bicycle rack.
Bicyclist when riding, alternately exert oneself by the every circle of left and right foot.When left foot is firmly trampled, trampled used in bicyclist
Power passes to axis by left crank, and axis transmits the force to the sprocket wheel on right side, so that sprocket wheel drives rear wheel movement.At this point, by
Pedal is trampled in bicyclist's foot, left crank acts on axis, and axis just has torsional deformation, we pass through measurement axis
Stress distortion, calculates the unilateral function done of human body, and the bicycle ergometer designed by conversion can accurately measure bicyclist
The power used.
Summary of the invention
In consideration of it, in order to solve the above-mentioned technical problem, the present invention proposes that one kind is applied to bicycle or auxiliary power voluntarily
The power meter of vehicle can measure left foot or power that when right crus of diaphragm is trampled exports, and easy for installation practical.
In order to solve the above-mentioned technical problem, the invention adopts the following technical scheme:
It is a kind of applied to bicycle or the power meter of motive-force-assisted bicycle, the power meter include:
Axis, one end of the axis are connected with right crank, and the other end of the axis is connected with left crank, described
Fluted disc is fixedly connected on right crank；
Torque acquisition set, the torque acquisition set are inserted into the axis, torque acquisition set both ends and the axis
It fits closely；The torque acquisition set surface is equipped with strain sensing patch；
Power pen, the power penholder enter in the torque acquisition set, and the power pen is defeated by the strain sensing patch
Signal processing out is sent.
Further, the torque acquisition set includes expansion nut and signal butt joint base male end；The expansion nut is tapered
Structure；Described torque acquisition set one end has inflation openings, and the inflation openings can strut outward, and the torque acquisition set is another
End surfaces have friction lines.
Further, the power pen includes signal butt joint base female end, and the signal connecting with the signal butt joint base female end
Handle transmitting line and power pen cover.
Further, the signal butt joint base female end is connected with the signal butt joint base male end.
Further, a circular groove, the signal processing hair are equipped in one end close to the signal processing transmitting line
Power transmission road is mounted in the circular groove, and the power pen cover lid closes the circular groove.
Further, the middle part of the power pen is equipped with an accommodating space, installs battery, the accommodating in the accommodating space
The one end in space is equipped with anode elastic slice, and the other end of the accommodating space is equipped with battery cathode elastic slice.
The present invention also provides a kind of methods that installation is applied to the power meter of bicycle or motive-force-assisted bicycle, including with
Lower step:
1) expansion nut is placed in from friction lines one end of torque acquisition set, is moved to one end of inflation openings；It will letter
Number butt joint base male end is placed in from friction lines one end of torque acquisition set, is moved to one end of inflation openings, strain sensing is pasted
The output signal line of piece is welded in signal butt joint base male end；
2) torque acquisition set is inserted into from the axis of fluted disc side, using tool by screw from the axis of the other side
It is inside screwed into expansion nut, screw pulls out expansion nut, while the expansion that the taper of expansion nut covers torque acquisition
Opening struts outward, until fitting closely axis inner surface, while table in the friction lines and axis of the torque acquisition set other end
Face also fits closely；
3) power penholder is entered in torque acquisition set, the signal pair of signal butt joint base female end and torque the acquisition set of power pen
Joint chair male end completes docking, and the output signal of strain sensing patch is input to the signal processing transmitting line of power pen, completes to step on
The transmission of legpower signal.
The invention has the benefit that it is easy for installation, and can accurately measure the pedal force of left foot or right crus of diaphragm.
1) torque acquisition set and power pen are all mounted in axis, and either left foot power output or right crus of diaphragm power output can
It is enough accurately to measure；
2) torque acquisition set is inserted directly into axis, practical without carrying out special improvement to bicycle；
3) it is connected using screw with expansion nut, when screw tightens, torque acquisition set is leaned under the drive of expansion nut
The side of nearly expansion nut expands, and can fit closely with axis inside, so as to accurately measure bicyclist or so foot
Power output, structure is simple, easy to operate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the power meter that a kind of installation of the present invention is applied to bicycle or motive-force-assisted bicycle；
Fig. 2 is the structural schematic diagram of torque of the present invention acquisition set；
Fig. 3 is the structural schematic diagram of power pen of the present invention；
Wherein, 1, screw；2, axis；3, torque acquisition set；4, power pen；；2-2, fluted disc；2-3, left crank；It is 3-1, swollen
Expansion nut；3-2, signal butt joint base male end；3-3, strain sensing patch；3-4, inflation openings；3-5, friction lines；4-1, signal
Butt joint base female end；4-3, signal processing transmitting line；4-4, power pen cover；4-5, battery cathode elastic slice；4-6, battery；4-7, electricity
Pond anode elastic slice；4-8, circular groove；4-9, accommodating space.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
As shown in Figure 1, a kind of installation is applied to the power meter of bicycle or motive-force-assisted bicycle, comprising: axis 2, in
One end of axis 2 is connected with right crank, and the other end of axis 2 is connected with left crank 2-3, and fluted disc phase is fixedly connected on right crank
Even；Torque acquisition set 3, torque acquisition set 3 are inserted into axis 2, and 3 both ends of torque acquisition set are fitted closely with axis 2；Torque acquisition
It covers 3 surfaces and strain sensing patch 3-3 is installed；Power pen 4, power pen 4 are inserted into torque acquisition set 3；Power pen 4 passes strain
The signal processing of sense patch 3-3 output is sent.
As shown in Fig. 2, torque acquisition set 3 includes expansion nut 3-1, and the signal butt joint base connecting with expansion nut 3-1
The tapered structure of male end 3-2, expansion nut 3-1；3 one end of torque acquisition set have inflation openings 3-4, and inflation openings 3-4 can be past
It struts outside, torque acquisition 3 another end surfaces of set have friction lines 3-5.3 one of strain sensing patch 3-3 and torque acquisition set
Change.
As shown in figure 3, power pen 4 includes signal butt joint base female end 4-1, and it is sequentially connected with signal butt joint base female end 4-1
Signal processing transmitting line 4-3 and power pen cover 4-4.Signal butt joint base female end 4-1 is connected with signal butt joint base male end 3-2
It connects, that is, power pen 4 may make to acquire set 3 with torque and be fixedly connected.Power pen 4 is close to the one of signal processing transmitting line 4-3
End is equipped with a circular groove 4-8, and signal processing transmitting line 4-3 is mounted in circular groove 4-8, power pen cover 4-4 Gai Heyuan
Connected in star 4-8.The middle part of power pen 4 is equipped with an accommodating space 4-9, installs battery 4-6, accommodating space 4-9 in accommodating space 4-9
One end anode elastic slice 4-7 is installed, the other end of accommodating space 4-9 is equipped with battery cathode elastic slice 4-5.
It since strain sensing piece 3-3 is solded into advance in torque acquisition set 3,3 is wholely set with torque acquisition set, then by torque
3 insertion axis 2 of acquisition set, does not both have to re-assembly bicycle in this way, can be good at protecting strain sensing piece 3-3 yet；Again will
Power pen 4 is inserted into torque acquisition set 3, convenient and practical.During screwing in expansion nut 3-1 using screw 1, it can incite somebody to action
Torque acquisition set 3 pulls outward, so that 3 friction lines of torque acquisition set is entered axis 2 and fits closely axis inner surface, simultaneously
Under the drive of the pyramidal structure of expansion nut 3-1, torque acquisition set 3 close to one end of left crank 2-3 inflation openings 3-4 not
Disconnected swells to enable torque acquisition set 3 to fit closely with axis 2, and the distortion for realizing torque acquisition set 3 and axis 2 becomes
The completely the same effect of shape, so that the deformation by measurement torque acquisition set 3 can accurately measure foot pedal force.
Foot pedal force is directly passed to the strain sensing piece 3-3 in torque acquisition set 3 by axis 2, then is passed by strain
Sense piece 3-3 generates pedal moment signal and exports to the signal processing transmitting line 4-3 of power pen 4, and signal processing sends electricity
Road 4-3 receives pedal moment signal, and pedal moment signal is sent to signal receiving device, and bicyclist is received by signal and filled
It sets to read the power of output, ahead of time reasonable distribution physical strength.Because strain sensing piece 3-3 is placed in torque acquisition set 3, almost in close
Envelope state, not by external interference, and torque acquisition set 3 facilitates the later period to reequip, and without changeing the axis of former vehicle, even more increases
Ease of use.A method of installation is applied to the power meter of bicycle or motive-force-assisted bicycle, comprising the following steps:
1) expansion nut is placed in from friction lines one end of torque acquisition set, is moved to one end of inflation openings；It will letter
Number butt joint base male end is placed in from friction lines one end of torque acquisition set, is moved to one end of inflation openings, strain sensing is pasted
The output signal line of piece is welded in signal butt joint base male end；
2) torque acquisition set is inserted into from the axis of fluted disc side, using tool by screw from the axis of the other side
It is inside screwed into expansion nut, screw pulls out expansion nut, while the expansion that the taper of expansion nut covers torque acquisition
Opening struts outward, until fitting closely axis inner surface, while table in the friction lines and axis of the torque acquisition set other end
Face also fits closely；
3) power penholder is entered in torque acquisition set, the signal pair of signal butt joint base female end and torque the acquisition set of power pen
Joint chair male end completes docking, and the output signal of strain sensing patch is input to the signal processing transmitting line of power pen, completes to step on
The transmission of legpower signal.
Embodiments of the present invention above described embodiment only expresses, the description thereof is more specific and detailed, but can not
Therefore limitations on the scope of the patent of the present invention are interpreted as.It should be pointed out that for those of ordinary skill in the art,
Without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection model of the invention
It encloses.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (7)
1. a kind of applied to bicycle or the power meter of motive-force-assisted bicycle, which is characterized in that the power meter includes:
Axis, one end of the axis are connected with right crank, and the other end of the axis is connected with left crank, the right song
Fluted disc is fixedly connected on handle；
Torque acquisition set, the torque acquisition set are inserted into the axis, and torque acquisition set both ends and the axis are close
Fitting；The torque acquisition set interior surface is equipped with strain sensing patch, and the strain sensing patch is solded into the torque and adopts
In collection set, it is wholely set with torque acquisition set；
Power pen, the power penholder enter in the torque acquisition set, and the power pen exports the strain sensing patch
Signal processing is sent.
2. the power meter according to claim 1 for being applied to bicycle or motive-force-assisted bicycle, it is characterised in that: described
Torque acquisition set includes expansion nut and signal butt joint base male end；The tapered structure of expansion nut；The torque acquisition set
One end has inflation openings, and the inflation openings can strut outward, and the torque acquisition, which covers another end surfaces, has friction lines.
3. the power meter according to claim 2 for being applied to bicycle or motive-force-assisted bicycle, it is characterised in that: described
Power pen includes signal butt joint base female end, and the signal processing transmitting line and power pen that connect with the signal butt joint base female end
Lid.
4. the power meter according to claim 3 for being applied to bicycle or motive-force-assisted bicycle, it is characterised in that: described
Signal butt joint base female end is connected with the signal butt joint base male end.
5. the power meter according to claim 3 for being applied to bicycle or motive-force-assisted bicycle, it is characterised in that: leaning on
One end of the nearly signal processing transmitting line is equipped with a circular groove, and the signal processing transmitting line is mounted on the circle
In groove, the power pen cover lid closes the circular groove.
6. the power meter according to claim 3 for being applied to bicycle or motive-force-assisted bicycle, it is characterised in that: described
The middle part of power pen is equipped with an accommodating space, installs battery in the accommodating space, one end of the accommodating space is equipped with electricity
Pond anode elastic slice, the other end of the accommodating space are equipped with battery cathode elastic slice.
7. a kind of installation such as the power according to any one of claims 1 to 6 for being applied to bicycle or motive-force-assisted bicycle
The method of meter, which comprises the following steps:
1) expansion nut is placed in from friction lines one end of torque acquisition set, is moved to one end of inflation openings；By signal pair
Joint chair male end is placed in from friction lines one end of torque acquisition set, one end of inflation openings is moved to, by strain sensing patch
Output signal line is welded in signal butt joint base male end；
2) torque acquisition set is inserted into from the axis of fluted disc side, is twisted screw out of the other side axis using tool
Enter in expansion nut, screw pulls out expansion nut, while the inflation openings that the taper of expansion nut covers torque acquisition
It struts outward, until fitting closely axis inner surface, while the friction lines and axis inner surface of the torque acquisition set other end
It fits closely；
3) power penholder is entered in torque acquisition set, the signal butt joint base of signal butt joint base female end and torque the acquisition set of power pen
Male end completes docking, and the output signal of strain sensing patch is input to the signal processing transmitting line of power pen, completes pedal force
The transmission of signal.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610788665.2A CN106218801B (en) | 2016-08-31 | 2016-08-31 | It is a kind of applied to bicycle or the power meter of motive-force-assisted bicycle |
| PCT/CN2016/108013 WO2018040336A1 (en) | 2016-08-31 | 2016-11-30 | Power meter applied to bicycle or auxiliary power bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610788665.2A CN106218801B (en) | 2016-08-31 | 2016-08-31 | It is a kind of applied to bicycle or the power meter of motive-force-assisted bicycle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106218801A CN106218801A (en) | 2016-12-14 |
| CN106218801B true CN106218801B (en) | 2019-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610788665.2A Active CN106218801B (en) | 2016-08-31 | 2016-08-31 | It is a kind of applied to bicycle or the power meter of motive-force-assisted bicycle |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106218801B (en) |
| WO (1) | WO2018040336A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018101911A1 (en) * | 2018-01-29 | 2019-08-01 | Pinion Gmbh | Torque detection assembly and gear unit for a muscle powered vehicle |
| US11001327B1 (en) * | 2020-02-19 | 2021-05-11 | Sram, Llc | Pedal detection devices for bicycles |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206031682U (en) * | 2016-08-31 | 2017-03-22 | 太仓市悦博电动科技有限公司 | Be applied to power meter of bicycle or auxiliary power bicycle |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1108339A2 (en) * | 1983-06-23 | 1984-08-15 | Краматорский Индустриальный Институт | Device for measuring moments of sliding friction and radial forces in power cylindrical joint |
| KR100199691B1 (en) * | 1997-05-19 | 1999-06-15 | 김동진 | 6-component load cell |
| TW409104B (en) * | 1998-09-01 | 2000-10-21 | Shimano Kk | Torque sensor for bicycle and crankshaft assembly for bicycle |
| DE202009001463U1 (en) * | 2009-02-06 | 2009-04-30 | Momes Llp | Device for measuring and determining the force, the moments and the power at a (pedal) crank |
| FR2950428B1 (en) * | 2009-09-22 | 2012-12-28 | Look Cycle Int | ON-CYCLE MEASURING DEVICE FOR EFFORTS MEASUREMENT AND CYCLE EQUIPPED WITH SUCH A MEASURING DEVICE |
| WO2013012870A1 (en) * | 2011-07-18 | 2013-01-24 | Grassi Michael J | Torque sensor |
| CN203519223U (en) * | 2013-09-04 | 2014-04-02 | 卢泽仲 | Bicycle power detecting device |
| CN104276250A (en) * | 2014-10-31 | 2015-01-14 | 太仓市悦博电动科技有限公司 | Middle axle moment sensing system of electric bicycle with built-in motor |
| CN204548383U (en) * | 2015-04-09 | 2015-08-12 | 上海川邻精密配件有限公司 | Electric bicycle torque detecting device |
| CN205352592U (en) * | 2016-02-01 | 2016-06-29 | 李运隆 | Install power meter on bicycle axis and crank |
| CN205483352U (en) * | 2016-03-30 | 2016-08-17 | 李运隆 | Install power meter on bicycle axis and crank |
-
2016
- 2016-08-31 CN CN201610788665.2A patent/CN106218801B/en active Active
- 2016-11-30 WO PCT/CN2016/108013 patent/WO2018040336A1/en active Application Filing
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206031682U (en) * | 2016-08-31 | 2017-03-22 | 太仓市悦博电动科技有限公司 | Be applied to power meter of bicycle or auxiliary power bicycle |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018040336A1 (en) | 2018-03-08 |
| CN106218801A (en) | 2016-12-14 |
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