WO2018040337A1 - 一种用于自行车或辅助动力自行车的双边功率计 - Google Patents

一种用于自行车或辅助动力自行车的双边功率计 Download PDF

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Publication number
WO2018040337A1
WO2018040337A1 PCT/CN2016/108014 CN2016108014W WO2018040337A1 WO 2018040337 A1 WO2018040337 A1 WO 2018040337A1 CN 2016108014 W CN2016108014 W CN 2016108014W WO 2018040337 A1 WO2018040337 A1 WO 2018040337A1
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Prior art keywords
bicycle
shaft
left shaft
crank
bilateral
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PCT/CN2016/108014
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English (en)
French (fr)
Inventor
高峰
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太仓市悦博电动科技有限公司
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Publication of WO2018040337A1 publication Critical patent/WO2018040337A1/zh

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Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J45/00—Electrical equipment arrangements specially adapted for use as accessories on cycles, not otherwise provided for
    • B62J45/40—Sensor arrangements; Mounting thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J99/00—Subject matter not provided for in other groups of this subclass

Definitions

  • the present invention relates to the field of bicycle electronic accessory technology, and more particularly to a bilateral power meter for a bicycle or an auxiliary power bicycle.
  • the pedaling force is measured to obtain the work of the rider, which is convenient for the rider to properly distribute the physical strength.
  • the torque sensor is designed on the crank or designed on the sprocket. The structure is complicated and the measurement is inaccurate. Especially the cost of the later modification is high and the maintenance is troublesome.
  • the bicycle crank is an important bicycle part that transmits the pedaling force to the rear wheel.
  • the left crank and the right crank are connected by the center shaft, and the right crank is connected to the sprocket.
  • the center shaft is mounted to the frame by bearings so that the two cranks together with the connecting shaft can be rotated on the bicycle frame.
  • the rider alternately applies force to each of the left and right feet while riding.
  • the pedaling force used by the rider is transmitted to the left shaft through the left crank, and the left shaft transmits the force to the sprocket, so that the sprocket drives the rear wheel to move.
  • the pedaling force is transmitted to the left shaft through the right shaft end, and the left shaft transmits the force to the sprocket, so that the sprocket drives the rear wheel to move. Therefore, whether the left foot is stepping on or the right foot is stepping on, the left axis will be distorted.
  • the present invention provides a bilateral power meter for a bicycle or an auxiliary power bicycle, which has a simple structure, strong realism, and is capable of measuring right foot output. Force.
  • the present invention adopts the following technical solutions:
  • a bilateral power meter for a bicycle or an auxiliary power bicycle including a strain gauge, a signal processing transmission circuit, a left shaft, a right shaft, and a sprocket holder, and the strain gauge and the signal processing transmission circuit pass The wire is connected to the left shaft; the signal processing transmission circuit is embedded in the left E3 ⁇ 4 handle of the bicycle, and the right shaft is inserted into the left shaft, and the inserted end portion is The left shaft is fixedly connected, and the other end of the left shaft is fixedly connected to the sprocket holder.
  • the outer surface of the left shaft is sleeved with a waterproof sleeve, and the top ends of the left shaft are mounted with a first cover and a second cover.
  • first cover and the second cover press the waterproof cover.
  • crank is connected to the left axis by a square axis; the right crank is connected to the right axis by a square axis.
  • the left crank is coupled to the left shaft by a spline; the right crank is coupled to the right shaft by a spline.
  • the beneficial effects of the invention are: simple structure and strong practicability.
  • strain gauge is directly attached to the left axis, and the force measurement is more direct and accurate.
  • the signal processing transmission circuit is embedded in the left crank, and is connected to the strain gauge through the wire, and the force measured by the strain gauge can be transmitted through the signal processing transmission circuit, which is more firm and sturdy.
  • the left shaft is equipped with a waterproof sleeve, which can effectively protect the left shaft and the strain gauge and prolong the service life.
  • FIG. 1 is a structural diagram of a bilateral power meter for a bicycle or an auxiliary power bicycle according to the present invention
  • a bilateral power meter of a bicycle or an auxiliary power bicycle includes a strain gauge 10 and a signal processing transmission circuit 2, and the strain gauge 10 and the signal processing transmission circuit 2 are connected by a wire 12; wherein, strain The sheet 10 is closely attached to the left shaft 3, and the signal processing transmission circuit 2 is embedded in the left crank i of the bicycle.
  • the right shaft 9 is inserted into the left shaft 3, the inserted end is fixedly coupled to the left shaft 3, and the other end of the left shaft 3 is sleeved with the spline sleeve 11, and the spline sleeve 11 is fixedly coupled to the chainring bracket 7.
  • the outer surface of the left shaft 3 is sleeved with a waterproof sleeve 5, and the waterproof cover 5 is sleeved with a first cover 4 and a second cover 6 at both ends.
  • the first cover 4 is fixedly connected by a thread and a left end of the bicycle five-way, and the second cover 6 is threaded and
  • the right end of the bicycle five-way is fixedly connected, the left end of the left shaft is connected to the first cover 4 through a bearing, and the other end of the left shaft 3 is connected by a bearing and a waterproof sleeve 5.
  • the spline sleeve 1 1 and the second cover 6 are connected by bearings.
  • the left crank 1 and the left axis 3 are connected by a square shaft or a spline; the right crank 8 and the right shaft 9 are connected by a square shaft or a spline.
  • the pedaling force is transmitted to the spline sleeve 1 through the left shaft 3, and the crankset bracket 7 is rotated to drive the rear wheel of the bicycle through the chain; when the rider's foot steps on the right pedal, the pedaling force passes through the right
  • the end of the shaft 9 passes through the left shaft 3 and is also transmitted to the spline sleeve 11, which drives the sprocket holder 7 to rotate, and drives the rear wheel of the bicycle through the chain.
  • the pedaling force generated is transmitted through the left shaft 3, the left shaft 3 is slightly deformed, and the strain gauge 10 attached thereto is given a pedaling torque signal, which is transmitted to the signal processing through the wire 12.
  • the transmission circuit 2 receives the amplified stepping torque signal, and transmits the pedaling torque signal to the receiving device of the pedaling torque signal, and the rider can know the output force when riding by the receiving device, and the receiving device can be mounted on the bicycle. Or on the handle of the auxiliary power bicycle.
  • the power meter of the invention can not only accurately collect the work actually performed by the rider, but also design
  • the waterproof cover makes the power meter stable and reliable.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)

Abstract

一种用于自行车或辅助动力自行车的双边功率计，该双边功率计包括应变片（10）、信号处理传输电路（2）、左轴（3）、右轴（9）和齿盘支架（7），所述应变片（10）和所述信号处理传输电路（2）通过导线（12）相连接；其中，所述应变片（10）与所述左轴（3）紧密贴合，所述信号处理传输电路（2）嵌入自行车的左曲柄（1）内，所述右轴（9）插入所述左轴（3）内部，插入的端部与所述左轴（3）固定连接，所述左轴（3）的另一端与所述齿盘支架（7）固定连接；该双边功率计结构简单，实用性强。

Description

—种用于自行车或辅助动力自行车的双边功率计
技术领域 本发明属于自行车电子配件技术领域， 尤其涉及一种 于自行车或辅 助动力自行车的双边功率计。 京投不 现阶段的功率计， 通过测量踩踏力来得出骑行者的做功， 方便骑行者 合理分配体力。通常有扭力传感器设计在曲柄上的，或者设计在链轮上的， 都存在结构复杂， 测量不准确的问题， 特别是后期改装的成本很高， 维护 麻烦。
自行车曲柄是将踩踏力量传递至后轮的重要自行车零件，左曲柄和右 曲柄通过中轴连接起来， 此外右曲柄连接链轮。 此外中轴通过轴承安装于 车架， 使得两曲柄连同连接轴可以在自行车架上转动。
本发明中， 骑行者在骑行时， 左右脚每圈交替用力。 当左脚用力踩踏 时， 骑行者所使用的踩踏力通过左曲柄， 传递给左轴， 左轴将力传递给链 轮， 从而链轮带动后轮运动。 当右脚用力踩踏时， 踩踏力通过右轴端部传 递给左轴， 左轴将力传递给链轮， 从而链轮带动后轮运动。 因此， 不管是 左脚踩踏还是右脚踩踏， 左轴会有扭曲变形， 我们通过测量左轴的受力扭 变， 经过计算设什出的自行车功率计， 能够准确测出骑行者所使出的力。 发明内容 鉴于此， 为了解决上述技术问题， 本发明提出一种用于自行车或辅助 动力自行车的双边功率计， 结构简单， 实^性强， 并且能够测量右脚输出 的力。
为了解决上述技术问题， 本发明采用以下技术方案：
一种] ¾于自行车或辅助动力自行车的双边功率计， 该双边功率计包括 应变片、 信号处理传输电路、 左轴、 右轴和齿盘支架， 所述应变片和所述 信号处理传输电路通过导线相连接； 其中， 所述应变片与所述左轴紧密贴 合， 所述信号处理传输电路嵌入自行车的左 E¾柄内， 所述右轴插入所述左 轴内部， 插入的端部与所述左轴固定连接， 所述左轴的另一端与所述齿盘 支架固定连接。
进一步， 所述左轴的外表面套有防水套， 所述左轴两侧的顶端安装有 第一盖和第二盖。
进一步， 所述第一盖和所述第二盖压住所述防水套。
进一步， 所述左曲柄与所述左轴通过方轴相连接； 右曲柄与所述右轴 通过方轴相连接。
进一步， 所述左曲柄与所述左轴通过花键相连接； 所述右曲柄与所述 右轴通过花键相连接。
本发明的有益效果为： 结构简单， 实用性强。
1 ) 应变片直接与左轴紧密贴合， 测力更加的直接而且准确。
2)信号处理传输电路嵌入左曲柄内， 而且通过导线与应变片相连接， 能够将应变片所测到的力通过信号处理传输电路发射出去， 更加的牢固可 ΐ
暴。
3 ) 左轴安装有防水套， 能够有效的保护左轴和应变片， 延长使用的 寿命。
4) 右轴通过花键插入左轴内， 右脚的输出力， 可以通过右轴， 传输 到左轴， 从而应变片能够测出。 因此， 右脚输出的力也可以测量。 附图说明 图 1为本发明一种用于自行车或辅助动力自行车的双边功率计的结构 示意图；
其中， 1、 左曲柄； 2、 信号处理传输电路； 3、 左轴； 4、 第一盖； 5、 防水套； 6、 第二盖； 7、 齿盘支架； 8、 右曲柄； 9、 右轴； 10、 应变片； 1 1、 花键套； 12、 导线。 具体实施方式 为了使本发明的目的、 技术方案及优点更加清楚明白， 下面结合附图 及实施例， 对本发明进行进一步详细说明。 应当理解， 此处所描述的具体 实施例仅用以解释本发明， 并不用于限定本发明。
如图 1所示， 一种] ¾于自行车或辅助动力自行车的双边功率计， 包括 应变片 10和信号处理传输电路 2 , 应变片 10和信号处理传输电路 2通过 导线 12相连接； 其中， 应变片 10与左轴 3紧密贴合， 信号处理传输电路 2嵌入自行车的左曲柄 i内。 右轴 9插入左轴 3内部， 插入的端部与左轴 3固定连接， 左轴 3的另一端套接花键套 11， 花键套 11与齿盘支架 7固 定连接。 左轴 3的外表面套有防水套 5， 防水套 5两端套有第一盖 4和第 二盖 6， 第一盖 4通过螺纹和自行车五通左端固定连接， 第二盖 6通过螺 纹和自行车五通右端固定连接， 左轴 3—端通过轴承和第一盖 4连接， 左 轴 3另一端通过轴承和防水套 5连接。 花键套 1 1与第二盖 6通过轴承连 接。左曲柄 1与左轴 3通过方轴或花键相连接； 右曲柄 8与右轴 9通过方 轴或花键相连接。 当骑行者脚踩踏左踏板时， 踩踏力通过左轴 3传递到花 键套 1 1， 带动齿盘支架 7转动， 通过链条驱动自行车后轮； 当骑行者脚踩 踏右踏板时， 踩踏力通过右轴 9的端部， 经过左轴 3， 同样传递到花键套 11 , 带动齿盘支架 7转动， 通过链条驱动自行车后轮。 由上可知， 无论是 左脚还是右脚， 发生的踩踏力都通过左轴 3传递出去， 左轴 3微量变形， 贴合在上面的应变片 10得到踩踏力矩信号， 通过导线 12传送给信号处理 传输电路 2 , 信号处理传输电路 2接收放大踩踏力矩信号， 并将踩踏力矩 信号发送给踩踏力矩信号的接收装置，骑行者能够通过接收装置熟知骑行 时的输出力， 此接收装置可以安装在自行车或辅助动力自行车的手柄上。
本发明的功率计， 不但能准确采集骑行者实际做的功， 而且通过设计 防水套的方式， 使得功率计使用稳定可靠。
以上所述实施例仅表达了本发明的实施方式， 其描述较为具体和详 细， 但并不能因此而理解为对本发明专利范围的限制。 应当指出的是， 对 于本领域的普通技术人员来说， 在不脱离本发明构思的前提下， 还可以做 出若千变形和改进， 这些都属于本发明的保护范围。 因此， 本发明专利的 保护范围应以所附权利要求为准。

Claims

权 利 要 求 书
1、 一种 于自行车或辅助动力自行车的双边功率计， 其特征在于： 该双边功率 i†包括应变片、 信号处理传输电路、 左轴、 右轴和齿盘支架， 所述应变片和所述信号处理传输电路通过导线相连接； 其中， 所述应变片 与所述左轴紧密贴合， 所述信号处理传输电路嵌入自行车的左曲柄内， 所 述右轴插入所述左轴内部， 插入的端部与所述左轴固定连接， 所述左轴的 另一端与所述齿盘支架固定连接。
2、 根据权利要求 1所述的用于自行车或辅助动力自行车的双边功率 i†， 其特征在于： 所述左轴的外表面套有防水套， 所述左轴两侧的顶端安 装有第一盖和第二盖。
3、 根据权利要求 2所述的用于自行车或辅助动力自行车的双边功率 it, 其特征在于： 所述第一盖和所述第二盖压住所述防水套。
4、 根据权利要求 1所述的用于自行车或辅助动力自行车的双边功率 计， 其特征在于： 所述左曲柄与所述左轴通过方轴相连接； 右曲柄与所述 右轴通过方轴相连接。
5、 根据权利要求 4所述的用于自行车或辅助动力自行车的双边功率 计， 其特征在于： 所述左曲柄与所述左轴通过花键相连接； 所述右曲柄与 所述右轴通过花键相连接。
PCT/CN2016/108014 2016-08-31 2016-11-30 一种用于自行车或辅助动力自行车的双边功率计 WO2018040337A1 (zh)

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CN203020503U (zh) * 2012-12-31 2013-06-26 中华汽车工业股份有限公司 电动自行车扭力传感装置
CN203172841U (zh) * 2013-04-09 2013-09-04 苏州八方电机科技有限公司 一种电动自行车中轴力矩传感装置
JP2015206777A (ja) * 2014-04-21 2015-11-19 満 馬場 踏力検知センサー
CN104724244A (zh) * 2014-10-31 2015-06-24 太仓市悦博电动科技有限公司 一种中置电机电动自行车中轴力矩传感系统
CN206031683U (zh) * 2016-08-31 2017-03-22 太仓市悦博电动科技有限公司 一种用于自行车或辅助动力自行车的双边功率计

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