WO2018040335A1 - 一种应用于自行车或辅助动力自行车的直贴式功率计 - Google Patents

一种应用于自行车或辅助动力自行车的直贴式功率计 Download PDF

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Publication number
WO2018040335A1
WO2018040335A1 PCT/CN2016/108004 CN2016108004W WO2018040335A1 WO 2018040335 A1 WO2018040335 A1 WO 2018040335A1 CN 2016108004 W CN2016108004 W CN 2016108004W WO 2018040335 A1 WO2018040335 A1 WO 2018040335A1
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Prior art keywords
power
bicycle
signal
direct
pen
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PCT/CN2016/108004
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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 WO2018040335A1 publication Critical patent/WO2018040335A1/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
    • B62M3/00—Construction of cranks operated by hand or foot
    • 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
    • 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
    • B62J45/41—Sensor arrangements; Mounting thereof characterised by the type of sensor
    • B62J45/411—Torque sensors
    • 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
    • B62J45/42—Sensor arrangements; Mounting thereof characterised by mounting
    • B62J45/421—Sensor arrangements; Mounting thereof characterised by mounting at the pedal crank
    • 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

Definitions

  • the invention belongs to the technical field of bicycle electronic accessories, and particularly relates to a direct-attached power meter applied to a bicycle or an auxiliary power bicycle.
  • the pedaling force is measured to obtain the rider's work, 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 not accurate. In particular, 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 left and right feet alternately apply force.
  • the pedaling force used by the rider is transmitted to the center shaft through the left crank, and the middle shaft transmits the force to the sprocket on the right side, so that the sprocket drives the rear wheel to move.
  • the left crank acts on the center shaft, and the middle shaft will be distorted.
  • the bicycle power meter can accurately measure the force generated by the rider.
  • the present invention proposes a direct-attached power meter applied to a bicycle or an auxiliary power bicycle, which can measure the force output when the left foot is stepped on, and is convenient to install and practical.
  • a direct-attached power meter for a bicycle or an auxiliary power bicycle, the direct-attached power meter includes:
  • a strain sensor capable of generating a pedal torque signal and the strain sensor closely fitting the outer surface of the central shaft
  • a power pen capable of receiving the pedal torque signal emitted by the strain sensor and transmitting the pedal torque signal to a signal receiving end;
  • the signal docking station comprising a solder joint and a male end, the solder joint being soldered to an output signal line of the strain sensor, the male end being connected to the power pen.
  • the power pen includes a female end; and a signal processing and transmitting circuit and a power pen cover that are sequentially connected to the female end, and the female end is connected to the male end.
  • the power pen sleeve is provided with a circular groove at one end of the signal processing and transmitting circuit, and the signal processing and transmitting circuit is installed in the circular groove, and the power pen cover is closed. Said circular groove.
  • a central portion of the power pen is provided with a receiving space, and a battery is mounted in the receiving space.
  • One end of the receiving space is mounted with a battery positive elastic piece, and the other end of the receiving space is mounted with a battery negative elastic piece.
  • central axis is hollow.
  • the power pen and the signal docking station are disposed within the central axis.
  • center shaft is mounted on a set of chainrings that are mounted on a bicycle frame.
  • the present invention provides a method of installing a direct-attached power meter for use in a bicycle or an auxiliary power bicycle, comprising the steps of:
  • a strain sensor is closely attached to the outer wall of the central shaft, and one end of the strain sensor is welded to one end of the signal docking seat;
  • the invention has the advantages that the installation is convenient, and the pedaling force of the left foot can be accurately measured.
  • FIG. 1 is a schematic structural view of a direct-attached power meter applied to a bicycle or an auxiliary power bicycle according to the present invention
  • FIG. 2 is a schematic structural view of a power pen according to the present invention.
  • FIG. 3 is a schematic structural view of a signal docking station of the present invention.
  • a direct-attached power meter applied to a bicycle or an auxiliary power bicycle includes: a strain sensor 2 capable of generating a pedal torque signal; and a strain sensor 2 closely fitting the outer surface of the center shaft.
  • the power pen 4 is capable of receiving a pedal torque signal from the strain sensor 2 and transmitting the pedal torque signal to the signal receiving end; wherein the signal receiving end is mounted on the bicycle handle, and the rider can read through the signal receiving end Treading force;
  • the signal docking station 3 one end of the signal docking station 3 is soldered to the output signal line of the strain sensor 2, and the male end 3-2 is connected to one end of the power pen 4, wherein the power is connected.
  • One end of the pen 4 is the female end 4-1, the male end 3-2 is a plug, and the female end 4-1 is in the power pen 4
  • the tail end is a socket, and the male end 3-2 can be inserted, and the signal is transmitted to the signal processing and transmitting circuit 4-3 to complete the connection between the power pen 4 and the signal docking station 3.
  • the power pen 4 includes a female terminal 4-1, and a signal processing and transmitting circuit 4-3 sequentially connected to the female terminal 4-1, and a power pen cover 4-4.
  • a circular recess 4-8 is provided at one end of the signal processing and transmitting circuit 4-3, the signal processing and transmitting circuit 4-3 is mounted in the circular recess 4-8, and the power cap 4-4 is closed. Shaped grooves 4-8.
  • the central portion of the power pen 4 is provided with an accommodating space 4-9, and the battery 4-6 is installed in the accommodating space 4-9.
  • the battery positive electrode tab 4-7 is installed at one end of the accommodating space 4-9, and the accommodating space is 4-9.
  • the other end of the battery is equipped with a battery negative shrapnel 4-5.
  • the battery positive elastic piece 4-7 and the battery negative elastic piece 4-5 are attached to the positive and negative electrodes of the battery 4-6, wherein the central axis is hollow, and the strain sensor 2, the power pen 4 and the signal docking station 3 can be placed therein. Inside the shaft.
  • the center shaft is mounted on the chain gear set 1, and the chain gear set 1 is mounted on the bicycle frame.
  • the strain sensor 2 Since the strain sensor 2, the power pen 4 and the signal docking station 3 are integrated and placed in the middle shaft, the pedaling force is directly transmitted to the strain sensor 2 through the center shaft, and the pedal torque signal is generated by the strain sensor 2
  • the signal processing and transmitting circuit 4-3 of the power pen 4 receives the pedal torque signal and transmits the pedal torque signal to the signal receiving device, and the signal receiving device calculates and displays the output power of the rider. , to adjust the physical distribution accordingly.
  • a method for installing a direct-attached power meter for a bicycle or an auxiliary power bicycle comprising the following steps:
  • a strain sensor is closely attached to the outer wall of the central shaft, and one end of the strain sensor is welded to one end of the signal docking seat;

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transportation (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)

Abstract

一种应用于自行车或辅助动力自行车的直贴式功率计，该直贴式功率计包括：应变传感器(2)，所述应变传感器(2)能够产生脚踏力矩信号并且所述应变传感器(2)紧密贴合中轴外表面；功率笔(4)，所述功率笔(4)能够接收所述应变传感器(2)所发出的所述脚踏力矩信号，并将所述脚踏力矩信号传输给信号接收端；以及信号对接座(3)，所述信号对接座(3)包括焊点(3-1)和公端(3-2)，所述焊点(3-1)与所述应变传感器(2)的输出信号线相焊接，所述公端(3-2)与所述功率笔(4)相连接；该直贴式功率计安装方便，并目能够准确的测出左脚的踩踏力。

Description

一种应用于自行车或辅助动力自行车的直贴式功率计 技术领域
本发明属于自行车电子配件技术领域，尤其涉及一种应用于自行车或辅助动力自行车的直贴式功率计。
背景技术
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。
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，传递给中轴，中轴将力传递给右侧的链轮，从而链轮带动后轮运动。此时，由于骑行者脚踩踏着踏板，左曲柄作用在中轴上，中轴就会有扭曲变形，我们通过测量中轴的受力扭变，计算出人体单边做的功，经过换算设计出的自行车功率计，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，本发明提出一种应用于自行车或辅助动力自行车的直贴式功率计，能够测出左脚踩踏时输出的力，并且安装方便实用性强。
为了解决上述技术问题，本发明采用以下技术方案：
一种应用于自行车或辅助动力自行车的直贴式功率计，该直贴式功率计包括：
应变传感器，所述应变传感器能够产生脚踏力矩信号并且所述应变传感器紧密贴合中轴外表面；
功率笔，所述功率笔能够接收所述应变传感器所发出的所述脚踏力矩信号，并将所述脚踏力矩信号传输给信号接收端；以及
信号对接座，所述信号对接座包括焊点和公端，所述焊点与所述应变传感器的输出信号线相焊接，所述公端与所述功率笔相连接。
进一步，所述功率笔包括母端；和与所述母端顺次连接的信号处理和发射电路和功率笔盖，所述母端与所述公端相连接。
进一步，所述功率笔套管在靠近所述信号处理和发射电路的一端设有一圆形凹槽，所述信号处理和发射电路安装在所述圆形凹槽内，所述功率笔盖盖合所述圆形凹槽。
进一步，所述功率笔的中部设有一容置空间，所述容置空间内安装电池，所述容置空间的一端安装有电池正极弹片，所述容置空间的另一端安装有电池负极弹片。
进一步，所述中轴为空心状。
进一步，所述功率笔和所述信号对接座置于所述中轴内。
进一步，所述中轴安装在齿盘组上，所述齿盘组安装在自行车架上。
本发明提供一种安装应用于自行车或辅助动力自行车的直贴式功率计的方法，包括以下步骤：
1)将应变传感器紧贴在中轴的外壁，并且将应变传感器的一端与信号对接座的一端相焊接；
2)将安装有应变传感器和信号对接座的中轴安装在自行车五通内上；
3)将功率笔插入信号对接座内，即使公端与功率笔上母端相连接。
本发明的有益效果为：安装方便，并且能够准确的测出左脚的踩踏力。
1)应变传感器和功率笔通过信号对接座相连接，应变传感器所产生的脚踏力矩信号直接传输给功率笔，功率笔将脚踏力矩信号发送给信号接收端，以供骑行者熟知；
2)应变传感器和功率笔都置于中轴内，一体化设置，方便安装。
附图说明
图1为本发明一种应用于自行车或辅助动力自行车的直贴式功率计的结构示意图；
图2为本发明功率笔的结构示意图；
图3为本发明信号对接座的结构示意图；
其中，1、齿盘组；2、应变传感器；3、信号对接座；3-1、焊点；3-2、公端；4、功率笔；4-1、母端；4-3、信号处理和发射电路；4-4、功率笔盖；4-5、电池负极弹片；4-6、电池；4-7、电池正极弹片；4-8、圆形凹槽；4-9、容置空间。
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，一种应用于自行车或辅助动力自行车的直贴式功率计，包括：应变传感器2，其能够产生脚踏力矩信号；应变传感器2紧密贴合中轴外表面。
功率笔4，其能够接收应变传感器2所发出的脚踏力矩信号，并将脚踏力矩信号传输给信号接收端；其中信号接收端安装在自行车手柄上，骑行者能够通过信号接收端来读出踩踏力；以及
如图3所示，信号对接座3，信号对接座3的一端为焊点3-1与应变传感器2的输出信号线相焊接，公端3-2与功率笔4的一端相连接，其中功率笔4的一端即为母端4-1，公端3-2为一插头，母端4-1在功率笔4 的尾端为一插座，即可将公端3-2插入，并将信号传输给信号处理和发射电路4-3，完成功率笔4和信号对接座3的连接。
如图2所示，功率笔4包括母端4-1，和与母端4-1顺次连接的信号处理和发射电路4-3，和功率笔盖4-4。
在靠近信号处理和发射电路4-3的一端设有一圆形凹槽4-8，信号处理和发射电路4-3安装在圆形凹槽4-8内，功率笔盖4-4盖合圆形凹槽4-8。功率笔4的中部设有一容置空间4-9，容置空间4-9内安装电池4-6，容置空间4-9的一端安装有电池正极弹片4-7，容置空间4-9的另一端安装有电池负极弹片4-5。电池正极弹片4-7与电池负极弹片4-5与电池4-6的正负极贴合，其中，中轴为空心状，能够将应变传感器2、功率笔4和信号对接座3置于中轴内。
中轴安装在齿盘组1上，齿盘组1安装在自行车架上。
由于应变传感器2、功率笔4和信号对接座3为一体式，并且都置于中轴内，脚踩踏力通过中轴直接传递给应变传感器2，再通过应变传感器2产生脚踏力矩信号输出给功率笔4的信号处理和发射电路4-3，信号处理和发射电路4-3接收脚踏力矩信号，并将脚踏力矩信号发送给信号接收装置，信号接收装置计算并显示骑行者的输出功率，来相应调整体力分配。
一种应用于自行车或辅助动力自行车的直贴式功率计的安装方法，包括以下步骤：
1)将应变传感器紧贴在中轴的外壁，并且将应变传感器的一端与信号对接座的一端相焊接；
2)将安装有应变传感器和信号对接座的中轴安装在自行车五通内；
3)将功率笔插入信号对接座内，即使信号对接座的公端与功率笔上母端相连接。
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 出若干变形和改进，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。
Figure PCTCN2016108004-appb-000001
Figure PCTCN2016108004-appb-000002

Claims (8)

  1. 一种应用于自行车或辅助动力自行车的直贴式功率计，其特征在于，该直贴式功率计包括：
    应变传感器，所述应变传感器能够产生脚踏力矩信号并且所述应变传感器紧密贴合中轴外表面；
    功率笔，所述功率笔能够接收所述应变传感器所发出的所述脚踏力矩信号，并将所述脚踏力矩信号传输给信号接收端；以及
    信号对接座，所述信号对接座包括焊点和公端，所述焊点与所述应变传感器的输出信号线相焊接，所述公端与所述功率笔相连接。
  2. 根据权利要求1所述的应用于自行车或辅助动力自行车的直贴式功率计，其特征在于：所述功率笔包括母端；和与所述母端顺次连接的信号处理和发射电路和功率笔盖，所述母端与所述公端相连接。
  3. 根据权利要求2所述的应用于自行车或辅助动力自行车的直贴式功率计，其特征在于：所述功率笔套管在靠近所述信号处理和发射电路的一端设有一圆形凹槽，所述信号处理和发射电路安装在所述圆形凹槽内，所述功率笔盖盖合所述圆形凹槽。
  4. 根据权利要求2所述的应用于自行车或辅助动力自行车的直贴式功率计，其特征在于：所述功率笔的中部设有一容置空间，所述容置空间内安装电池，所述容置空间的一端安装有电池正极弹片，所述容置空间的另一端安装有电池负极弹片。
  5. 根据权利要求1所述的应用于自行车或辅助动力自行车的直贴式功率计，其特征在于：所述中轴为空心状。
  6. 根据权利要求5所述的应用于自行车或辅助动力自行车的直贴式功率计，其特征在于：所述功率笔和所述信号对接座置于所述中轴内。
  7. 根据权利要求1所述的应用于自行车或辅助动力自行车的直贴式功率计，其特征在于：所述中轴安装在齿盘组上，所述齿盘组安装在自行 车架上。
  8. 一种安装如权利要求1～7中任一项所述的应用于自行车或辅助动力自行车的直贴式功率计的方法，其特征在于，包括以下步骤：
    1)将应变传感器紧贴在中轴的外壁，并且将应变传感器的一端与信号对接座的一端相焊接；
    2)将安装有应变传感器和信号对接座的中轴安装在自行车五通内上；
    3)将功率笔插入信号对接座内，即使公端与功率笔上母端相连接。
PCT/CN2016/108004 2016-08-31 2016-11-30 一种应用于自行车或辅助动力自行车的直贴式功率计 WO2018040335A1 (zh)

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