WO2018039870A1 - 一种踏力检测装置 - Google Patents

一种踏力检测装置 Download PDF

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Publication number
WO2018039870A1
WO2018039870A1 PCT/CN2016/097161 CN2016097161W WO2018039870A1 WO 2018039870 A1 WO2018039870 A1 WO 2018039870A1 CN 2016097161 W CN2016097161 W CN 2016097161W WO 2018039870 A1 WO2018039870 A1 WO 2018039870A1
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WO
WIPO (PCT)
Prior art keywords
seat
flywheel
sleeve
pedaling force
force detecting
Prior art date
Application number
PCT/CN2016/097161
Other languages
English (en)
French (fr)
Inventor
唐明喜
陈世伟
Original Assignee
深圳一哥智行科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳一哥智行科技有限公司 filed Critical 深圳一哥智行科技有限公司
Priority to PCT/CN2016/097161 priority Critical patent/WO2018039870A1/zh
Publication of WO2018039870A1 publication Critical patent/WO2018039870A1/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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/22—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring the force applied to control members, e.g. control members of vehicles, triggers

Definitions

  • the present invention relates to sensors, and more particularly to a pedaling force detecting device.
  • the existing bicycle pedaling force detection method is generally implemented by installing a pedaling force detecting sensor at a crank position, but this method may cause the bicycle to have a complicated appearance structure, affecting the appearance, increasing the cost of the entire vehicle, and generally having a short service life. .
  • a pedaling force detecting device is provided, which is installed on a main shaft and hidden in a flywheel seat, and thus does not cause an appearance of the entire vehicle. Impact, overall structure profile, long service life.
  • a pedaling force detecting device includes a main shaft, and further includes a hub, a torque receiving seat, a flywheel and a flywheel seat, wherein the hub and the torque receiving seat are respectively installed through bearings
  • the torsion receiving seat is fixedly connected to the hub, the torsion force receiving seat is provided with a torsion deformation portion, and the torsion deformation portion is provided with a sensor
  • the flywheel seat is sleeved on the outside of the torsion receiving seat, in the flywheel
  • a ratchet device and a ball are disposed between the seat and the torsion receiving seat, and the ratchet device is used for relative one-way rotation between the flywheel seat and the torsion receiving seat, and the ball is used for the axial direction between the flywheel seat and the torsion receiving seat And radial positioning.
  • the torsion receiving seat comprises a positioning outer ring and a sleeve, the torsion deformation portion is connected between the positioning outer ring and the sleeve, the positioning outer ring is fixedly connected with the wheel hub, and the sleeve passes through the bearing sleeve. Set on the spindle.
  • the end of the sleeve is screwed to a set of bowls, and the inner hole of the sleeve is connected to the main shaft through a bearing;
  • the ball end groove is disposed near the first end of the sleeve, and the balls are respectively disposed on the sleeve
  • An outer peripheral edge of the bowl and the ball groove, the inner hole of the flywheel seat is provided with a convex stepped hole portion, the end faces of the stepped hole portion are arcuate faces, and the arcuate faces of the stepped hole portions are engaged
  • Adjust the axial position of the bowl on the main shaft to adjust the axial position of the flywheel seat on the main shaft and the pressure between the ball and the flywheel seat.
  • the pawl device includes a ring gear and a pawl, wherein the ring gear is disposed in an inner hole of the stepped hole portion, and two or two positions corresponding to the outer circumference of the sleeve and the stepped hole portion are provided. More than one pawl seating groove is provided, and the pawl seating groove is provided with a pawl, and the pawl thrust direction is uniform.
  • the torsion deformation portion includes two or more strip-shaped cylinders.
  • the surface of the strip-shaped cylinder is provided with a sloped surface, the angle between the sloped surface and the surface of the strip-shaped cylinder is greater than 15°; the inclined surface is opposite to the surface of the strip-shaped cylinder The angle between the angles is the same.
  • the flywheel is provided with an induction switch on one side of the hub, and the induction switch can detect whether the flywheel rotates relative to the hub.
  • the induction switch is a eddy current proximity switch or a Hall gear sensor.
  • the senor and the induction switch are connected to an electromagnetic coupling device or a wireless transmitting device.
  • the senor and the induction switch are connected to a generator or a battery.
  • the pedaling force detecting device of the present invention is installed on the main shaft and hidden in the flywheel seat, thereby not affecting the appearance of the whole vehicle, and has an overall structure and a long service life.
  • a sensor is disposed on the torsion deformation portion of the present invention, and the sensor is sensitive to deformation caused by the influence of the pedaling force on the torsion deformation portion, and the measurement result is accurate.
  • Induction switch transmits signal, controller controls motor off and hiccup:
  • the induction switch detects the rotation of the flywheel relative to the hub, sends an electric signal to the controller, the controller controls the motor to close, the motor does not work;
  • the flywheel does not rotate relative to the hub, and the induction no-electric signal is emitted.
  • the controller controls the motor to operate in a hiccup to realize the assist, and the power can be quickly turned off in the case of an abnormal torque signal.
  • FIG. 1 is a cross-sectional structural view of a pedaling force detecting device of the present invention
  • FIG. 2 is a schematic view showing the front structure of the removal hub of the present invention.
  • FIG. 3 is a cross-sectional view showing the structure of the M-M of FIG. 2;
  • FIG. 4 is a schematic cross-sectional view of the KK of FIG. 2; 5 is a schematic cross-sectional view of the AA of FIG. 3 .
  • the present invention discloses a pedaling force detecting device, which is shown in FIGS. 1 to 5, and includes a main shaft 7, and further includes a hub 1, a torque receiving seat 2, a flywheel 8, and a flywheel seat 3, and the hub 1 And the torque receiving seat 2 is respectively mounted on the main shaft 7 through a bearing, the torsion receiving seat 2 is fixedly connected with the hub 1, the torsion force fixing seat 2 is provided with a torque deformation portion 21, the torque deformation portion 21 is provided with a sensor 4; the flywheel seat 3 is sleeved On the outside of the torque receiving seat 2, a ratchet device and a ball 6 are provided between the flywheel seat 2 and the torsion receiving seat 2, and the ratchet device is used for relative one-way rotation between the flywheel seat 3 and the torsion receiving seat 2, for the ball 6 The axial and radial positioning between the flywheel seat 3 and the torsion holder 2.
  • the flywheel base 3 is rotated by the flywheel 8, and the flywheel base 3 drives the torque receiving seat 2 to rotate by the ratchet device.
  • the torque receiving seat 2 drives the hub 1 to rotate, and the torsion deformation portion 21 on the torsion receiving seat 2 is deformed by the pedaling force, and the torque deformation portion
  • the sensor 4 provided on the 21 generates an electrical signal according to the deformation and transmits it to the controller, thereby measuring the magnitude of the pedaling force.
  • the torsion receiving seat 2 includes a positioning outer ring 22 and a sleeve 23, and the torsion deformation portion 21 is connected between the positioning outer ring 22 and the sleeve 23.
  • the positioning outer ring 22 is fixedly connected with the hub 1, and the sleeve 23 passes.
  • the bearing sleeve is sleeved on the main shaft 7.
  • a sleeve 9 is screwed to the end of the sleeve 23, and the inner hole of the sleeve 9 is connected to the main shaft 7 through a bearing; a ball groove is arranged near the first end of the sleeve 23, and the balls 6 are respectively disposed on the bowl
  • the outer circumference of the 23 and the ball groove, the inner hole of the flywheel seat 3 is provided with a convex stepped hole portion 31, the end faces of the stepped hole portion 31 are arcuate faces, and the arcuate surface of the stepped hole portion 31 is engaged with the bowl 9
  • the axial position of the sleeve 9 on the main shaft 7 is adjusted, and the axial position of the flywheel seat 3 on the main shaft 7 and the between the ball 6 and the flywheel seat 3 can be adjusted. pressure.
  • the pawl device includes a ring gear 311 and a pawl 5, the ring gear 311 is disposed in the inner hole of the stepped hole portion 31, and the outer circumference of the sleeve 23 is provided with two or more positions corresponding to the stepped hole portion 31.
  • the pawl seating groove 231 is provided with a pawl 5 in the pawl seating groove 231, and the thrust directions of the pawl 5 are uniform.
  • the torsion deformation portion 21 includes two or more strip-shaped cylinders.
  • the surface of the strip cylinder is provided with a slope 211, and the slope 211 is opposite to the surface of the strip cylinder
  • the angle is greater than 15°, and the angle between the inclined surface 211 and the surface of the strip cylinder is inclined.
  • the inclined surface 21 1 is more susceptible to deformation for a small pedaling force, and the measurement result is more accurate.
  • the flywheel 8 is provided with an induction switch 10 on one side of the hub 1, and the induction switch 10 is capable of detecting whether the flywheel 8 is rotated relative to the hub 1.
  • the induction switch 10 senses the rotation of the flywheel 8 relative to the hub 1, sends an electrical signal to the controller, the controller controls the motor to close, and the motor does not work; in the stepped state, the flywheel 8 does not rotate relative to the hub 1, sensing
  • the Shaoguan 10 has no electric signal, and the controller controls the motor to operate in a hiccup to realize the boost. In the case of abnormal torque signal, the power can be quickly turned off.
  • the induction switch 10 is a eddy current proximity switch or a Hall gear sensor.
  • the senor 4 and the induction switch 10 are connected to an electromagnetic coupling device or a wireless transmitting device for transmitting an electrical signal to the controller.
  • the senor 4 and the induction switch 10 are connected to a generator or a battery.

Abstract

一种踏力检测装置，包括主轴（7），还包括有轮毂（1）、扭力取付座（2）、飞轮（8）和飞轮座（3），轮毂（1）、扭力取付座（2）分别通过轴承安设于主轴（7）上，扭力取付座（2）与轮毂（1）固定连接，扭力取付座（2）上设扭力变形部（21），扭力变形部（21）上设传感器（4）；飞轮座（3）套设于扭力取付座（2）的外面，在飞轮座（3）和扭力取付座（2）之间设有棘轮装置和滚珠（6），棘轮装置用于飞轮座（3）和扭力取付座（2）之间的相对单向转动，滚珠（6）用于飞轮座（3）和扭力取付座（2）之间的轴向和径向定位。该踏力检测装置安设于主轴（7）上并且隐藏于飞轮座（3）内，进而对整车外观不会造成影响，整体结构简洁，使用寿命较长。

Description

一种踏力检测装置
技术领域
[0001] 本发明涉及传感器， 尤其涉及一种踏力检测装置。
背景技术
[0002] 现有的自行车对踏力的检测方式一般为在曲柄位置安装踏力检测传感器的方式 实现， 但这种方式或造成自行车外观结构繁杂， 影响美观， 增加整车的造价并 且使用寿命普遍不长。
技术问题
[0003] 本发明要解决的技术问题在于， 针对现有技术的不足， 提供一种踏力检测装置 ， 该踏力检测装置安设于主轴上并且隐藏于飞轮座内， 进而对整车外观不会造 成影响， 整体结构简介， 使用寿命较长。
问题的解决方案
技术解决方案
[0004] 为解决上述问题， 本发明采用如下技术方案： 一种踏力检测装置， 包括主轴， 还包括有轮毂、 扭力取付座、 飞轮和飞轮座， 所述轮毂和扭力取付座分别通过 轴承安设于主轴上， 所述扭力取付座与轮毂固定连接， 所述扭力取付座上设扭 力变形部， 所述扭力变形部上设传感器； 所述的飞轮座套设于扭力取付座的外 面， 在飞轮座和扭力取付座之间设有棘轮装置和滚珠， 所述棘轮装置用于飞轮 座和扭力取付座之间的相对单向转动， 所述滚珠用于飞轮座和扭力取付座之间 的轴向和径向定位。
[0005] 优选地， 所述扭力取付座包括定位外圈、 套筒， 所述扭力变形部连接于定位外 圈和套筒之间， 所述定位外圈与轮毂固定连接， 套筒通过轴承套设于主轴上。
[0006] 优选地， 所述套筒的末端螺纹连接有一套碗， 所述套碗的内孔通过轴承与主轴 连接； 靠近套筒的首端设滚珠凹槽， 所述滚珠分别安设于套碗的外周缘和所述 滚珠凹槽， 所述飞轮座的内孔设外凸的阶梯孔部， 所述阶梯孔部的两端面为圆 弧面， 所述阶梯孔部的圆弧面卡接在套碗外周缘的滚珠和滚珠凹槽的滚珠之间 ， 调整套碗在主轴上的轴向位置， 能够调整飞轮座在主轴上的轴向位置及滚珠 与飞轮座之间的压力。
[0007] 优选地， 所述棘爪装置包括齿圈和棘爪， 所述齿圈设于所述阶梯孔部的内孔， 所述套筒的外周与阶梯孔部对应位置设两个或两个以上的棘爪安置槽， 所述棘 爪安置槽内设棘爪， 所述棘爪的止推方向一致。
[0008] 优选地， 所述扭力变形部包括两个或两个以上的条形柱体。
[0009] 优选地， 所述条形柱体的表面上设斜面， 所述斜面相对于条形柱体的表面之间 的夹角大于 15°; 所述斜面相对于条形柱体的表面之间的夹角倾斜方向一致。
[0010] 优选地， 所述飞轮朝向轮毂的一侧设有一感应幵关， 感应幵关能够检测到飞轮 相对轮毂是否转动。
[0011] 优选地， 所述感应幵关为涡流式接近幵关或者霍尔齿轮传感器。
[0012] 优选地， 所述传感器和感应幵关与电磁耦合装置或无线发射装置连接。
[0013] 优选地， 所述传感器和感应幵关与发电机或电池连接。
发明的有益效果
有益效果
[0014] 本发明公幵的踏力检测装置安设于主轴上并且隐藏于飞轮座内， 进而对整车外 观不会造成影响， 整体结构简介， 使用寿命较长。 在本发明的扭力变形部上安 设传感器， 传感器对扭力变形部受踏力影响产生的变形敏感， 测量结果准确。 感应幵关传送信号， 控制器控制电机关闭和打幵： 在滑行状态， 感应幵关感应 到飞轮相对于轮毂的转动， 发送电信号给控制器， 控制器控制电机关闭， 电机 不工作； 在踩踏状态， 飞轮相对于轮毂不转动， 感应幵关无电信号发出， 控制 器控制电机打幵运转， 实现助力， 在力矩信号异常的情况下可实现快速断电。 对附图的简要说明
附图说明
[0015] 图 1为本发明踏力检测装置的剖视结构示意图；
[0016] 图 2为本发明去除轮毂的正面结构示意图；
[0017] 图 3为图 2的 M-M剖视结构示意图；
[0018] 图 4为图 2的 K-K剖视结构示意图； [0019] 图 5为图 3的 A-A剖视结构示意图。
实施该发明的最佳实施例
本发明的最佳实施方式
[0020] 下面结合附图和实施例对本发明作更加详细的描述。
[0021] 本发明公幵了一种踏力检测装置， 结合图 1至图 5所示， 其包括有包括主轴 7， 还包括有轮毂 1、 扭力取付座 2、 飞轮 8和飞轮座 3， 轮毂 1和扭力取付座 2分别通 过轴承安设于主轴 7上， 扭力取付座 2与轮毂 1固定连接， 扭力取付座 2上设扭力 变形部 21， 扭力变形部 21上设传感器 4; 飞轮座 3套设于扭力取付座 2的外面， 在 飞轮座 2和扭力取付座 2之间设有棘轮装置和滚珠 6， 棘轮装置用于飞轮座 3和扭 力取付座 2之间的相对单向转动， 滚珠 6用于飞轮座 3和扭力取付座 2之间的轴向 和径向定位。 飞轮座 3在飞轮 8的带动下旋转， 飞轮座 3通过棘轮装置带动扭力取 付座 2旋转， 扭力取付座 2带动轮毂 1旋转， 扭力取付座 2上的扭力变形部 21受踏 力变形， 扭力变形部 21上设的传感器 4依据形变生成电信号传出至控制器， 进而 可以测量出踏力的大小。
[0022] 进一步， 扭力取付座 2包括定位外圈 22、 套筒 23， 扭力变形部 21连接于定位外 圈 22和套筒 23之间， 定位外圈 22与轮毂 1固定连接， 套筒 23通过轴承套设于主轴 7上。
[0023] 进一步， 套筒 23的末端螺纹连接有一套碗 9， 套碗 9的内孔通过轴承与主轴 7连 接； 靠近套筒 23的首端设滚珠凹槽， 滚珠 6分别安设于套碗 23的外周缘和滚珠凹 槽， 飞轮座 3的内孔设外凸的阶梯孔部 31， 阶梯孔部 31的两端面为圆弧面， 阶梯 孔部 31的圆弧面卡接在套碗 9外周缘的滚珠 6和滚珠凹槽的滚珠 6之间， 调整套碗 9在主轴 7上的轴向位置， 能够调整飞轮座 3在主轴 7上的轴向位置及滚珠 6与飞轮 座 3之间的压力。
[0024] 进一步， 棘爪装置包括齿圈 311和棘爪 5， 齿圈 311设于阶梯孔部 31的内孔， 套 筒 23的外周与阶梯孔部 31对应位置设两个或两个以上的棘爪安置槽 231， 棘爪安 置槽 231内设棘爪 5， 棘爪 5的止推方向一致。
[0025] 进一步， 扭力变形部 21包括两个或两个以上的条形柱体。
[0026] 进一步， 条形柱体的表面上设斜面 211， 斜面 211相对于条形柱体的表面之间的 夹角大于 15°， 斜面 211相对于条形柱体的表面之间的夹角倾斜方向一致。 斜面 21 1对于微小的踏力更易于产生形变， 测量结果更精确。
[0027] 进一步， 飞轮 8朝向轮毂 1的一侧设有一感应幵关 10， 感应幵关 10能够检测到飞 轮 8相对轮毂 1是否转动。 在滑行状态， 感应幵关 10感应到飞轮 8相对于轮毂 1的 转动， 发送电信号给控制器， 控制器控制电机关闭， 电机不工作； 在踩踏状态 ， 飞轮 8相对于轮毂 1不转动， 感应幵关 10无电信号发出， 控制器控制电机打幵 运转， 实现助力， 在力矩信号异常的情况下可实现快速断电。
[0028] 进一步， 感应幵关 10为涡流式接近幵关或者霍尔齿轮传感器。
[0029] 进一步， 传感器 4和感应幵关 10与电磁耦合装置或无线发射装置连接， 用以发 出电信号至控制器。
[0030] 进一步， 传感器 4和感应幵关 10与发电机或电池连接。
[0031] 以上所述只是本发明较佳的实施例， 并不用于限制本发明， 凡在本发明的技术 范围内所做的修改、 等同替换或者改进等， 均应包含在本发明所保护的范围内

Claims

权利要求书
[权利要求 1] 一种踏力检测装置， 包括主轴， 其特征在于， 还包括有轮毂、 扭力取 付座、 飞轮和飞轮座， 所述轮毂和扭力取付座分别通过轴承安设于主 轴上， 所述扭力取付座与轮毂固定连接， 所述扭力取付座上设扭力变 形部， 所述扭力变形部上设传感器； 所述的飞轮座套设于扭力取付座 的外面， 在飞轮座和扭力取付座之间设有棘轮装置和滚珠， 所述棘轮 装置用于飞轮座和扭力取付座之间的相对单向转动， 所述滚珠用于飞 轮座和扭力取付座之间的轴向和径向定位。
[权利要求 2] 根据权利要求 1所述踏力检测装置， 其特征在于， 所述扭力取付座包 括定位外圈、 套筒， 所述扭力变形部连接于定位外圈和套筒之间， 所 述定位外圈与轮毂固定连接， 套筒通过轴承套设于主轴上。
[权利要求 3] 根据权利要求 2所述踏力检测装置， 其特征在于， 所述套筒的末端螺 纹连接有一套碗， 所述套碗的内孔通过轴承与主轴连接； 靠近套筒的 首端设滚珠凹槽， 所述滚珠分别安设于套碗的外周缘和所述滚珠凹槽 ， 所述飞轮座的内孔设外凸的阶梯孔部， 所述阶梯孔部的两端面为圆 弧面， 所述阶梯孔部的圆弧面卡接在套碗外周缘的滚珠和滚珠凹槽的 滚珠之间， 调整套碗在主轴上的轴向位置， 能够调整飞轮座在主轴上 的轴向位置及滚珠与飞轮座之间的压力。
[权利要求 4] 根据权利要求 3所述踏力检测装置， 其特征在于， 所述棘爪装置包括 齿圈和棘爪， 所述齿圈设于所述阶梯孔部的内孔， 所述套筒的外周与 阶梯孔部对应位置设两个或两个以上的棘爪安置槽， 所述棘爪安置槽 内设棘爪， 所述棘爪的止推方向一致。
[权利要求 5] 根据权利要求 2、 3或 4所述踏力检测装置， 其特征在于， 所述扭力变 形部包括两个或两个以上的条形柱体。
[权利要求 6] 根据权利要求 5所述踏力检测装置， 其特征在于， 所述条形柱体的表 面上设斜面， 所述斜面相对于条形柱体的表面之间的夹角大于 15° ; 所述斜面相对于条形柱体的表面之间的夹角倾斜方向一致。
[权利要求 7] 根据权利要求 1所述踏力检测装置， 其特征在于， 所述飞轮朝向轮毂 的一侧设有一感应幵关， 感应幵关能够检测到飞轮相对轮毂是否转动
[权利要求 8] 根据权利要求 7所述踏力检测装置， 其特征在于， 所述感应幵关为涡 流式接近幵关或者霍尔齿轮传感器。
[权利要求 9] 根据权利要求 7所述踏力检测装置， 其特征在于， 所述传感器和感应 幵关与电磁耦合装置或无线发射装置连接。
[权利要求 10] 根据权利要求 7所述踏力检测装置， 其特征在于， 所述传感器和感应 幵关与发电机或电池连接。
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