WO2012155308A1 - Structure of pedal assistance sensor cooperated with rear fork of bicycle - Google Patents
Structure of pedal assistance sensor cooperated with rear fork of bicycle Download PDFInfo
- Publication number
- WO2012155308A1 WO2012155308A1 PCT/CN2011/001631 CN2011001631W WO2012155308A1 WO 2012155308 A1 WO2012155308 A1 WO 2012155308A1 CN 2011001631 W CN2011001631 W CN 2011001631W WO 2012155308 A1 WO2012155308 A1 WO 2012155308A1
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- WIPO (PCT)
- Prior art keywords
- bicycle
- box body
- positioning block
- casing
- sensor
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K25/00—Axle suspensions
- B62K25/02—Axle suspensions for mounting axles rigidly on cycle frame or fork, e.g. adjustably
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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
Definitions
- the present invention relates to the field of bicycle transmission, and more particularly to a structure of a bicycle electric power sensor.
- BACKGROUND OF THE INVENTION In the field of bicycle electric power sensor, Chinese Patent ZL03264387. "Time-based electric power bicycle sensor", which uses two discs that do not touch each other and rotate each other to measure the difference and sum of the time taken by the bicycle wheel to rotate adjacent two equal angles to indirectly measure the application of the vehicle The torque and the speed at which the bicycle travels, thereby implementing automatic control of the speed of the bicycle; two discs, one called the moving disc and the other called the fixed disc.
- the moving plate is fixed on the middle shaft of the bicycle, and is embedded with permanent magnet magnetic steel, and has no wire connection with the vehicle body.
- the fixing plate is fixed on the vehicle body with Hall elements embedded thereon.
- the magnetic steel on the moving plate is on the same circumference as the Hall element on the fixed plate. During the rotation, the two interact, but the fixed plate and the moving plate have no contact and no mechanical connection.
- the Hall element signal is sent to the single-chip computer in the controller, and after being calculated by the single-chip microcomputer, a control signal is sent to control the rotation of the driving motor of the electric bicycle.
- the moving disc in the patented sensor component is arranged on the central axis, the fixed disc is arranged on the vehicle body, and the two are not in contact.
- the magnetic field matching principle is adopted, and the phase difference of the magnetic matching is calculated to issue relevant instructions, and the mechanical structure is analyzed.
- the bicycle brake member is one of bicycle brake arms configured to be non-movably coupled to the bicycle rim.
- the sensor preferably includes both bicycles.
- the patented sensor component is magnetically disposed around the bicycle brake and the wheel portion, and the magnetic sensing portion of the sensor is fixed to the brake and the brake arm.
- a structure of an electric power assist sensor on a bicycle rear fork is also disclosed in the market.
- a groove is disposed at a bottom of one side of the bicycle rear fork, and a circuit board with a Hall element is fixedly disposed in the groove, and the groove further receives a movable through the long groove of the bottom of the groove.
- An object of the present invention is to provide a structure of an electric power assisting sensor that cooperates with a bicycle rear fork.
- the invention provides a structure of an electric power assisting sensor matched with a bicycle rear fork, characterized in that: a box body is arranged, a Hall element is mounted on a bottom side of the box body, and a long slot hole passing through the bottom of the box body is further received in the box body.
- a movable sensor assembly, a permanent magnet disposed on the sensor assembly is magnetically coupled with a Hall element on the casing; the rear axle of the bicycle is defined to move in a long slot at the bottom of the casing, thereby moving with the rear axle
- the permanent magnet and the Hall element are fixed relative to the rear axle, the magnetic induction changes, and an electric signal is output to control the energetic rotation of the bicycle motor.
- the sensor assembly includes a positioning block disposed on the rear axle, the positioning block is located in the casing body, the positioning block has a lower rail, a fixing bar is disposed above the positioning block, and an upper rail is opened at a lower portion of the fixing strip, and the upper rail is A ball or a ball strip is disposed between the lower rails; the permanent magnet is disposed at an inner lower portion of the positioning block, and the Hall element is fixed at a position corresponding to the inner lower portion of the positioning block.
- an arcuate elastic steel piece is disposed in contact with one side of the positioning block, and under the action of the restoring force of the arcuate elastic steel piece, when the force is not applied, the positioning block returns to the initial position;
- the arcuate elastic steel sheets are pressed against the wall of the casing on both sides, and a partition made of metal is disposed between the arched elastic steel sheet and the wall of the casing.
- the positioning block has a ring table extending toward both sides of the positioning block. After the rear shaft passes through the ring table of the positioning block, the inner side of the ring table rests in the long slot hole at the bottom of the box body, and the outer side of the ring table rests in the box. Inside the long slot of the cover, screw the positioning nut into the long slot on the rear axle, and then tighten with a fixing nut. It not only acts to fix and support the rear wheel, but also facilitates the horizontal movement of the rear axle along the long slot under the constraint of the long slot.
- the casing is provided with a screw hole connected to the bicycle rear fork and a flange for facilitating the engagement of the casing with the straight groove on the rear fork.
- FIG. 1 is a schematic exploded view of the casing of the present invention.
- Figure 2 is a structural view of the positioning block of Figure 1.
- Figure 3 is a schematic view of the combined structure of Figure 1.
- Figure 4 is an exploded perspective view of the casing shown in Figure 1 mated with a bicycle rear fork.
- Fig. 5 is a structural schematic view showing the casing shown in Fig. 1 mounted on the bicycle rear fork shown in Fig. 4.
- DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to FIGS. 1 and 5.
- the structure of the electric power assisting sensor matched with the bicycle rear fork has a casing body 1.
- a Hall element 15 is mounted on the bottom side of the casing body 1.
- the casing body 1 also houses a long slot 51 passing through the bottom of the casing body 1.
- a movable sensor assembly, a permanent magnet 16 disposed on the sensor assembly is magnetically coupled to the Hall element 15 on the casing 1; the bicycle rear axle 1 is defined to move within the long slot 51 of the bottom of the casing 1 Therefore, when the rear axle 6 is moved, the magnetic induction between the permanent magnet 16 fixed to the rear axle 6 and the Hall element 15 changes, and an electric signal is output to control the urging rotation of the bicycle motor.
- the sensor assembly includes a positioning block 2 disposed on the rear axle 6.
- the positioning block 2 is located in the casing 1.
- the lower portion has a lower rail 21 and a fixing strip 4 above the positioning block 2.
- the fixing rod 4 The upper portion of the fixing strip 4 is opened with an upper rail 41, and the upper rail 41 and the lower rail 21 are provided with balls or ball strips 3; the permanent magnets 16 are disposed at a position of the fixing strips 11 in the casing 1
- the inner lower portion 23 of the positioning block 2 is fixed at a position where the casing 1 corresponds to the inner lower portion 23 of the positioning block 2.
- An arcuate elastic steel piece 13 is disposed in the open groove 12 on the inner side of the casing 1 to be in contact with the side of the positioning block 2, and the positioning block 2 is ensured under the action of the restoring force of the arcuate elastic steel piece 13 to ensure no force.
- the wall, between the arched elastic steel sheet 13 and the plastic wall of the casing 1, is provided with a partition 14 made of metal.
- the positioning block 2 has a ring table 22 extending toward both sides of the positioning block 2, and the rear axle 6 passes through the ring table 22 of the positioning block 2; the inner side of the ring table 22 rests in the long slot at the bottom of the casing 1. ', the outer side of the ring table 22 rests in the long slot 51 of the cover 5, and the positioning nut is screwed into the rear shaft 6 to cooperate with the long slot hole 51, and then tightened with a fixing nut to fix and support the rear wheel.
- the function of the rear axle 6 is to move horizontally along the long slot 51 under the constraint of the long slot 51.
- the casing 1 is provided with a screw hole 17 which is connected to the bicycle rear fork 7, and a flange 18 which facilitates the engagement of the casing 1 with the straight groove on the rear fork 7.
- a folding pedal electric dual-purpose bicycle has a rear wheel with a motor drive on the rear axle 6, and the sensor terminal display screen is arranged on the bicycle faucet, because the rear axle is constrained under the long slot hole The long slot moves horizontally. Therefore, when the force is used to drive the flywheel, the rear axle 6 moves forward, and the sensing signals of the Hall element 15 and the permanent magnet 16 are processed by the sensor single chip, and the motor power-up signal is output, and the motor assists.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
A structure of a pedal assistance sensor cooperated with a rear fork of a bicycle is provided with a box body, a Hall element is mounted at a side of the bottom of the box body, a movable sensor component penetrating a long slot at the bottom of the box body is further accommodated in the box body, and a permanent magnet disposed on the sensor component is in magnetic induction cooperation with the Hall element on the box body. A rear shaft of the bicycle is limited to move within the long slot at the bottom of the box body, and by using the change of magnetic induction between the permanent magnet relatively fixed with respect to the rear shaft and the Hall element when the rear shaft moves, an electric signal is output to control forced rotation of a motor of the bicycle. The present invention fully utilizes the rear fork of the bicycle as a carrier of the sensor, disposes all sensor members in one box body skillfully, and mounts the box body on the rear fork of the bicycle, thereby having the characteristics of desired magnetic induction effect, high response degree, and convenient mounting and maintenance.
Description
与自行车后叉配合的电动助力传感器的结构 技术领域 本发明涉及自行车传动领域， 尤其涉及一种自行车电动助力传感器 的结构、 背景技术 在自行车电动助力传感器领域中， 中国专利 ZL03264387. X公开了一 种 "时间性电动助力自行车传感器"， 它采用两个互不接触， 互相转动 的圆盘来测量自行车轮盘转动相邻相等两个角度所用的时间的差与和 来间接测量人蹬车所施加的力矩和自行车行进的速度， 从而实行对自行 车速度的自动控制； 两圓盘， 一个称为动盘， 另一个称为定盘。 动盘固 定在自行车的中轴上， 上面镶嵌永磁磁钢， 与车体没有电线连接。 定盘 固定在车体上， 上面镶嵌霍尔元件。 动盘上的磁钢与定盘上的霍尔元件 在同一圆周线上，在转动过程中， 两者相互作用，但定盘和动盘无接触， 无机械连接。 在人骑车的过程中， 霍尔元件信号送控制器中的单片计算 机，经单片机计算后，发出控制信号，控制电动自行车的驱动电机转动。 BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the field of bicycle transmission, and more particularly to a structure of a bicycle electric power sensor. BACKGROUND OF THE INVENTION In the field of bicycle electric power sensor, Chinese Patent ZL03264387. "Time-based electric power bicycle sensor", which uses two discs that do not touch each other and rotate each other to measure the difference and sum of the time taken by the bicycle wheel to rotate adjacent two equal angles to indirectly measure the application of the vehicle The torque and the speed at which the bicycle travels, thereby implementing automatic control of the speed of the bicycle; two discs, one called the moving disc and the other called the fixed disc. The moving plate is fixed on the middle shaft of the bicycle, and is embedded with permanent magnet magnetic steel, and has no wire connection with the vehicle body. The fixing plate is fixed on the vehicle body with Hall elements embedded thereon. The magnetic steel on the moving plate is on the same circumference as the Hall element on the fixed plate. During the rotation, the two interact, but the fixed plate and the moving plate have no contact and no mechanical connection. In the process of riding a bicycle, the Hall element signal is sent to the single-chip computer in the controller, and after being calculated by the single-chip microcomputer, a control signal is sent to control the rotation of the driving motor of the electric bicycle.
该专利传感器部件中的动盘设置在中轴上， 定盘设置在车体上， 两 者无接触， 采用磁场配合原理， 取磁配合的相位差进行计算而发出相关 指令， 从其机械结构分析， 存在以下缺陷： 一是所述动盘和定盘的设置 位置相距较大， 磁感应强度偏弱， 传感系数降低， 对所述霍尔元件和永 磁磁钢 的要求比较严格， 提高了生产成本； 二是动盘和定盘占用空间 较大， 动盘与中轴结合在一起， 定盘与车体结合在一起， 检修时需分开 作业， 不方便。 中国专利 ZL200510127006. 6公开了 "一种自行车传感器 行车车轮的转动状态的传感器。 该自行车闸部件是构造成不可移动地连 向自行车轮缘运动的自行车闸臂中的一个。 传感器优选是既包括自行车 闸安装件和自行车闸臂、 又包括自行车闹块和传感器的自行车闸装置的 一部分。 该专利传感器部件围绕自行车车闸和车轮部分进行磁配合设 置， 传感器磁感应部分固定在车闸和闸臂上， 车轮上还需连接磁体予以 配合， 也存在磁反应灵敏度差、 磁感应强度小的缺陷， 且安装麻烦、 对
车轮的加工精度也提出了更高的要求， 不利于推广。 市场上还公开了一 种自行车后叉上的电动助力传感器的结构。 在所述自行车后叉的一侧底 部设置有一凹槽， 凹槽内固定设置一安装有霍尔元件的电路板， 凹槽内 还容置有一穿过凹槽底部长槽孔呈活动状的后轴上的传感器组件， 所述 传感器组件上设置的一永磁体与所述电路板上的霍尔元件磁感应配合； 因所述后轴被限定在凹槽底部长槽孔内移动， 因此， 利用后轴移动时， 与后轴相对固定的永磁体及与霍尔元件之间的磁感应变化， 输出电信号 而控制自行车电机的加力转动； 该结构中传感器的设置是通过后叉上的 凹槽而实现的， 因凹槽空间较小， 安装传感器各部件时不方便， 因而有 必要在此基础上加以改进 发明内容 本发明的目的是提供一种与自行车后叉配合的电动助力传感器的 结构。 The moving disc in the patented sensor component is arranged on the central axis, the fixed disc is arranged on the vehicle body, and the two are not in contact. The magnetic field matching principle is adopted, and the phase difference of the magnetic matching is calculated to issue relevant instructions, and the mechanical structure is analyzed. The following defects exist: First, the position of the moving plate and the fixed plate are relatively large, the magnetic induction intensity is weak, the sensing coefficient is lowered, the requirements for the Hall element and the permanent magnet magnetic steel are strict, and the production is improved. Cost; Second, the moving plate and the fixed plate occupy a large space, and the moving plate is combined with the central axis. The fixed plate and the car body are combined together, and it is inconvenient to separate work during maintenance. Chinese Patent No. ZL200510127006. 6 discloses "a sensor for the rotational state of a bicycle sensor traveling wheel. The bicycle brake member is one of bicycle brake arms configured to be non-movably coupled to the bicycle rim. The sensor preferably includes both bicycles. The brake mounting member and the bicycle brake arm, and a portion of the bicycle brake device including the bicycle block and the sensor. The patented sensor component is magnetically disposed around the bicycle brake and the wheel portion, and the magnetic sensing portion of the sensor is fixed to the brake and the brake arm. There is also a need to connect a magnet to the wheel to cooperate, and there is also a defect of poor magnetic resonance sensitivity and small magnetic induction, and the installation is troublesome. The machining accuracy of the wheels also puts forward higher requirements, which is not conducive to promotion. A structure of an electric power assist sensor on a bicycle rear fork is also disclosed in the market. A groove is disposed at a bottom of one side of the bicycle rear fork, and a circuit board with a Hall element is fixedly disposed in the groove, and the groove further receives a movable through the long groove of the bottom of the groove. a sensor assembly on the shaft, a permanent magnet disposed on the sensor assembly is magnetically coupled with a Hall element on the circuit board; and the rear shaft is defined to move in a long slot at the bottom of the groove, so When the shaft moves, the permanent magnet fixed relative to the rear axle and the magnetic induction change between the Hall element and the Hall element output an electric signal to control the energetic rotation of the bicycle motor; in the structure, the sensor is disposed through the groove on the rear fork. In view of the fact that the recessed space is small, it is inconvenient to install the components of the sensor, so it is necessary to improve on the basis of the invention. SUMMARY OF THE INVENTION An object of the present invention is to provide a structure of an electric power assisting sensor that cooperates with a bicycle rear fork.
本发明的技术方案是这样实现的： The technical solution of the present invention is implemented as follows:
提供一种与自行车后叉配合的电动助力传感器的结构， 其特征在 于： 设置一盒体， 盒体底部一侧安装有一霍尔元件， 盒体内还容置有一 穿过盒体底部长槽孔呈活动状的传感器组件， 所述传感器组件上设置的 一永磁体与所述盒体上的霍尔元件磁感应配合； 自行车后轴被限定在盒 体底部长槽孔内移动， 因此， 利用后轴移动时， 与后轴相对固定的永磁 体及与霍尔元件之间的磁感应变化， 输出电信号而控制自行车电机的加 力转动。 The invention provides a structure of an electric power assisting sensor matched with a bicycle rear fork, characterized in that: a box body is arranged, a Hall element is mounted on a bottom side of the box body, and a long slot hole passing through the bottom of the box body is further received in the box body. a movable sensor assembly, a permanent magnet disposed on the sensor assembly is magnetically coupled with a Hall element on the casing; the rear axle of the bicycle is defined to move in a long slot at the bottom of the casing, thereby moving with the rear axle When the permanent magnet and the Hall element are fixed relative to the rear axle, the magnetic induction changes, and an electric signal is output to control the energetic rotation of the bicycle motor.
所述传感器组件包括设置在后轴上的定位块， 所述定位块位于盒体 内， 定位块上开有下导轨、 定位块上方有一固定条， 固定条下部开有上 导轨， 所述上导轨与下导轨之间设置有滚珠或滚珠条； 所述永磁体设置 定位块的内侧下部， 霍尔元件固定在盒体与所述定位块的内侧下部相 对应的位置。 The sensor assembly includes a positioning block disposed on the rear axle, the positioning block is located in the casing body, the positioning block has a lower rail, a fixing bar is disposed above the positioning block, and an upper rail is opened at a lower portion of the fixing strip, and the upper rail is A ball or a ball strip is disposed between the lower rails; the permanent magnet is disposed at an inner lower portion of the positioning block, and the Hall element is fixed at a position corresponding to the inner lower portion of the positioning block.
所述盒体内一侧的开口槽内， 设置有一弓形弹性钢片与定位块一侧 相接触， 在弓形弹性钢片回复力作用下， 确保不加力时， 定位块回到初 始位置； 为了防止弓形弹性钢片两侧压穿盒体壁， 在弓性弹性钢片与盒 体壁之间设置一用金属制作的隔板。 In the open slot on one side of the casing, an arcuate elastic steel piece is disposed in contact with one side of the positioning block, and under the action of the restoring force of the arcuate elastic steel piece, when the force is not applied, the positioning block returns to the initial position; The arcuate elastic steel sheets are pressed against the wall of the casing on both sides, and a partition made of metal is disposed between the arched elastic steel sheet and the wall of the casing.
所述定位块上有向定位块两侧伸出的环台， 后轴穿过定位块的环台 后， 环台的内側搁置在盒体底部的长槽孔内， 环台的外侧搁置在盒盖的 长槽孔内、 在后轴上旋入定位螺母与长槽孔配合， 再用固定螺母旋紧，
既起到固定和支承后轮的作用， 又便于后轴在长槽孔约束下沿长槽孔水 平方向移动。 The positioning block has a ring table extending toward both sides of the positioning block. After the rear shaft passes through the ring table of the positioning block, the inner side of the ring table rests in the long slot hole at the bottom of the box body, and the outer side of the ring table rests in the box. Inside the long slot of the cover, screw the positioning nut into the long slot on the rear axle, and then tighten with a fixing nut. It not only acts to fix and support the rear wheel, but also facilitates the horizontal movement of the rear axle along the long slot under the constraint of the long slot.
所述盒体上设置有与自行车后叉连接的螺孔和便于盒体与后叉上 的直槽契合的凸边。 The casing is provided with a screw hole connected to the bicycle rear fork and a flange for facilitating the engagement of the casing with the straight groove on the rear fork.
本发明充分利用了自行车后叉作为传感器的载体， 巧妙地将传感器 部件全部设置于一盒体内， 再将该盒体配合安装在自行车后叉上， 具有 磁感应效果好， 响应程度高， 安装维修方便的特点。 附图说明 图 1是本发明所述盒体的分解结构示意图。 The invention fully utilizes the bicycle rear fork as the carrier of the sensor, skillfully sets the sensor components in a box body, and then fits the box body on the bicycle rear fork, has good magnetic induction effect, high response degree, convenient installation and maintenance. specialty. BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a schematic exploded view of the casing of the present invention.
图 2是图 1中定位块的结构图。 Figure 2 is a structural view of the positioning block of Figure 1.
图 3是图 1的组合结构示意图。 Figure 3 is a schematic view of the combined structure of Figure 1.
图 4是图 1中所示盒体与一种自行车后叉配合的分解结构示意图。 图 5是图 1中所示盒体安装在图 4所示自行车后叉上的结构示意图。 具体实施方式 下面结合附图 1和附图 5说明本发明的实施例： Figure 4 is an exploded perspective view of the casing shown in Figure 1 mated with a bicycle rear fork. Fig. 5 is a structural schematic view showing the casing shown in Fig. 1 mounted on the bicycle rear fork shown in Fig. 4. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to FIGS. 1 and 5.
一种与自行车后叉配合的电动助力传感器的结构， 有一盒体 1， 盒 体 1底部一侧安装有一霍尔元件 15， 盒体 1内还容置有一穿过盒体 1底部 长槽孔 51呈活动状的传感器组件， 所述传感器组件上设置的一永磁体 16 与所述盒体 1上的霍尔元件 15磁感应配合； 自行车后轴 1被限定在盒体 1 底部长槽孔 51内移动， 因此， 利用后轴 6移动时， 与后轴 6相对固定的永 磁体 16及与霍尔元件 15之间的磁感应变化， 输出电信号而控制自行车电 机的加力转动。 The structure of the electric power assisting sensor matched with the bicycle rear fork has a casing body 1. A Hall element 15 is mounted on the bottom side of the casing body 1. The casing body 1 also houses a long slot 51 passing through the bottom of the casing body 1. a movable sensor assembly, a permanent magnet 16 disposed on the sensor assembly is magnetically coupled to the Hall element 15 on the casing 1; the bicycle rear axle 1 is defined to move within the long slot 51 of the bottom of the casing 1 Therefore, when the rear axle 6 is moved, the magnetic induction between the permanent magnet 16 fixed to the rear axle 6 and the Hall element 15 changes, and an electric signal is output to control the urging rotation of the bicycle motor.
所述传感器组件包括设置在后轴 6上的定位块 2， 所述定位块 2位于 盒体 1内的， 其上部开有下导轨 21、 定位块 2上方有一固定条 4 , 所述固 定条 4置于盒体 1内的固定条槽 11的位置， 固定条 4下部开有上导轨 41， 所述上导轨 41与下导轨 21之间设置有滚珠或滚珠条 3; 所述永磁体 16设 置在定位块 2的内侧下部 23 , 霍尔元件 15固定在盒体 1与所述定位块 2的 内侧下部 23相对应的位置。 The sensor assembly includes a positioning block 2 disposed on the rear axle 6. The positioning block 2 is located in the casing 1. The lower portion has a lower rail 21 and a fixing strip 4 above the positioning block 2. The fixing rod 4 The upper portion of the fixing strip 4 is opened with an upper rail 41, and the upper rail 41 and the lower rail 21 are provided with balls or ball strips 3; the permanent magnets 16 are disposed at a position of the fixing strips 11 in the casing 1 The inner lower portion 23 of the positioning block 2 is fixed at a position where the casing 1 corresponds to the inner lower portion 23 of the positioning block 2.
所述盒体 1内一侧的开口槽 12内， 设置有一弓形弹性钢片 13与定位 块 2—侧相接触， 在弓形弹性钢片 13回复力作用下， 确保不加力时， 定 位块 2回到初始位置； 为了防止弓形弹性钢片 13两侧压穿盒体 1的塑料
壁， 在弓性弹性钢片 13与盒体 1的塑料壁之间设置一用金属制作的隔板 14。 An arcuate elastic steel piece 13 is disposed in the open groove 12 on the inner side of the casing 1 to be in contact with the side of the positioning block 2, and the positioning block 2 is ensured under the action of the restoring force of the arcuate elastic steel piece 13 to ensure no force. Returning to the initial position; in order to prevent the plastic of the box-shaped elastic steel sheet 13 from being pressed against the plastic body of the casing 1 The wall, between the arched elastic steel sheet 13 and the plastic wall of the casing 1, is provided with a partition 14 made of metal.
所述定位块 2上有向定位块 2两侧伸出的环台 22 , 后轴 6穿过定位块 2 的环台 22后； 环台 22的内侧搁置在盒体 1底部的长槽孔内'， 环台 22的外 侧搁置在盒盖 5的长槽孔 51内、 在后轴 6上旋入定位螺母与长槽孔 51配 合， 再用固定螺母旋紧， 既起到固定和支承后轮的作用， 又便于后轴 6 在长槽孔 51约束下沿长槽孔 51水平方向移动。 The positioning block 2 has a ring table 22 extending toward both sides of the positioning block 2, and the rear axle 6 passes through the ring table 22 of the positioning block 2; the inner side of the ring table 22 rests in the long slot at the bottom of the casing 1. ', the outer side of the ring table 22 rests in the long slot 51 of the cover 5, and the positioning nut is screwed into the rear shaft 6 to cooperate with the long slot hole 51, and then tightened with a fixing nut to fix and support the rear wheel. The function of the rear axle 6 is to move horizontally along the long slot 51 under the constraint of the long slot 51.
所述盒体 1上设置有与自行车后叉 7连接的螺孔 17和便于盒体 1与后 叉 7上的直槽契合的凸边 18。 The casing 1 is provided with a screw hole 17 which is connected to the bicycle rear fork 7, and a flange 18 which facilitates the engagement of the casing 1 with the straight groove on the rear fork 7.
经以上设置的一种折叠式脚踏电动两用自行车， 其后轴 6上装有带 电机驱动的后轮， 所述传感器终端显示屏设置在自行车龙头上， 由于后 轴在长槽孔约束下沿长槽孔水平方向移动，因此，当人用力带动飞轮时， 后轴 6向前移动， 霍尔元件 15与永磁体 16的感应信号经传感器单片机处 理后， 输出电机加电信号， 电机起到助力作用； 当自行车匀速行驶时， 后轴 6在弓形弹性钢片 13作用下， 退回到原来位置， 此时， 霍尔元件 15 与永磁体 16的感应信号经传感器单片机处理后， 输出截止信号， 电机不 予助力； 这样， 电机只在自行车加速前进时助力， 即电机工作在磁感应 信号的正半周， 而下半周处于电信号截止状态， 停止助力。 According to the above arrangement, a folding pedal electric dual-purpose bicycle has a rear wheel with a motor drive on the rear axle 6, and the sensor terminal display screen is arranged on the bicycle faucet, because the rear axle is constrained under the long slot hole The long slot moves horizontally. Therefore, when the force is used to drive the flywheel, the rear axle 6 moves forward, and the sensing signals of the Hall element 15 and the permanent magnet 16 are processed by the sensor single chip, and the motor power-up signal is output, and the motor assists. When the bicycle is running at a constant speed, the rear axle 6 is returned to the original position under the action of the arcuate elastic steel sheet 13, and at this time, the sensing signals of the Hall element 15 and the permanent magnet 16 are processed by the sensor single chip, and the cutoff signal is output, the motor This does not help; in this way, the motor only assists when the bicycle accelerates forward, that is, the motor operates in the positive half cycle of the magnetic induction signal, while the lower half cycle is in the off state of the electrical signal, stopping the assist.
上文已示出了本发明的详尽实施例， 显而易见， 本领域的技术人员 在不违背本发明的前提下， 可进行部分修改和变更； 上文的描述和附图 中提及的内容仅作为说明性的例证， 并非是对本发明的限制； 具有本文 所述技术特征的与自行车后叉配合的电动助力传感器的结构， 均落入本 专利保护范围。
The detailed description of the present invention has been shown in the foregoing, and it is apparent that those skilled in the art can make some modifications and changes without departing from the invention; Illustrative examples are not intended to limit the invention; the construction of an electric power assisting sensor with a bicycle rear fork having the technical features described herein falls within the scope of this patent.
Claims
权利要求书 Claim
1、 与自行车后叉配合的电动助力传感器的结构， 其特征在于： 设置一 盒体， 盒体底部一侧安装有一霍尔元件， 盒体内还容置有一穿过盒体底 部长槽孔呈活动状的传感器组件， 所述传感器组件上设置的一永磁体与 所述盒体上的霍尔元件磁感应配合； 自行车后轴被限定在盒体底部长槽 孔内移动， 利用后轴移动时， 与后轴相对固定的永磁体及与霍尔元件之 间的磁感应变化， 输出电信号而控制自行车电机的加力转动。 1. The structure of the electric power assisting sensor matched with the bicycle rear fork is characterized in that: a box body is arranged, a Hall element is mounted on one side of the bottom of the box body, and the box body further accommodates a movable through the long slot hole at the bottom of the box body. a sensor assembly, a permanent magnet disposed on the sensor assembly is magnetically coupled with a Hall element on the casing; the rear axle of the bicycle is limited to move in a long slot at the bottom of the casing, and when the rear axle is moved, The rear axle is relatively fixed in the permanent magnet and the magnetic induction change between the Hall element and the Hall element, and an electrical signal is output to control the energetic rotation of the bicycle motor.
2、 如权利要求 1所述的与自行车后叉配合的电动助力传感器的结构， 其 特征在于： 所述传感器组件包括设置在后轴上的定位块， 所述定位块位 于盒体内， 定位块上开有下导轨、 定位块上方有一固定条， 固定条下部 开有上导轨， 所述上导轨与下导轨之间设置有滚珠或滚珠条； 所述永磁 体设置在定位块的内侧下部 , 霍尔元件固定在盒体与所述定位块的内侧 下部相对应的位置。 ， 、 - ^ 特征在于： 所述盒体内一侧的开口槽内， 设置有一弓形弹性钢片与定位 块一侧相接触： 、 - — 、 - 、 α 特征在于： 所述弓性弹性钢^与盒体壁之间设置一隔板。. 、 ^ 特征在于： 所述定位块上有向定位块两侧伸出的环台， 后轴穿过定位块 的环台后， 环台的内侧搁置在盒体底部的长槽孔内， 环台的外侧搁置在 盒盖的长槽孔内、 在后轴上旋入定位螺母与长槽孔配合， 再用固定螺母 旋紧。 2. The structure of an electric power assisting sensor coupled with a bicycle rear fork according to claim 1, wherein: said sensor assembly comprises a positioning block disposed on a rear axle, said positioning block being located in the casing, on the positioning block a lower rail is opened, a fixing bar is arranged above the positioning block, an upper rail is opened at a lower portion of the fixing strip, and a ball or a ball strip is disposed between the upper rail and the lower rail; the permanent magnet is disposed at an inner lower part of the positioning block, Hall The component is fixed at a position corresponding to the inner lower portion of the positioning block. , - - ^ is characterized in that: in the open slot on one side of the casing, an arcuate elastic steel piece is disposed in contact with one side of the positioning block: -, -, - α are characterized by: the arcuate elastic steel A partition is disposed between the walls of the casing. . , ^ is characterized in that: the positioning block has a ring table extending toward both sides of the positioning block. After the rear shaft passes through the ring table of the positioning block, the inner side of the ring table rests in the long slot hole at the bottom of the box body, and the ring The outside of the table rests in the long slot of the cover, and the positioning nut is screwed into the rear shaft to engage with the long slot, and then tightened with a fixing nut.
6、 如权利要求 1所述的与自行车后叉配合的电动助力传感器的结构， 其 特征在于： 所述盒体上设置有与自行车后叉连接的螺孔和便于盒体与后 叉上的直槽契合的凸边。
6. The structure of an electric power assisting sensor matched with a bicycle rear fork according to claim 1, wherein: the box body is provided with a screw hole connected to the bicycle rear fork and facilitates straightness on the box body and the rear fork. The groove of the groove fits.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110125438.9 | 2011-05-16 | ||
| CN201110125438A CN102303682A (en) | 2011-05-16 | 2011-05-16 | Structure of electric power sensor matched with rear fork of bicycle |
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| Publication Number | Publication Date |
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| WO2012155308A1 true WO2012155308A1 (en) | 2012-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| PCT/CN2011/001631 WO2012155308A1 (en) | 2011-05-16 | 2011-09-27 | Structure of pedal assistance sensor cooperated with rear fork of bicycle |
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| CN (1) | CN102303682A (en) |
| WO (1) | WO2012155308A1 (en) |
Cited By (1)
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|---|---|---|---|---|
| DE102013220871A1 (en) * | 2013-10-15 | 2015-04-16 | Continental Automotive Gmbh | Method of measuring the torque and e-bike applied by a rider to the pedals of an e-bike |
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| CN102826174B (en) * | 2012-07-28 | 2014-02-05 | 成都宽和科技有限责任公司 | Power-assisted bicycle provided with sensor with unevenly distributed positions of magnetic blocks on motor casing |
| CN102785743B (en) * | 2012-07-28 | 2014-02-05 | 成都宽和科技有限责任公司 | Sensor with non-uniform distribution of magnetic flux for multiple magnetic blocks in casing |
| CN102826186B (en) * | 2012-07-28 | 2014-02-05 | 成都宽和科技有限责任公司 | Rotary table type sensor provided with magnetic blocks with adjustable positions and magnetic fluxes for power-assisted bicycle |
| CN102826183B (en) * | 2012-07-28 | 2014-03-26 | 成都宽和科技有限责任公司 | Motorized bicycle having sensor with multiple magnets uneven in position and magnetic flux in casing |
| CN102798406B (en) * | 2012-07-28 | 2014-09-03 | 成都宽和科技有限责任公司 | Sensor with a plurality of magnet blocks adjustable in position and magnetic flux in shell |
| CN102826164B (en) * | 2012-07-28 | 2014-02-05 | 成都宽和科技有限责任公司 | Sensing element provided with magnetic blocks with adjustable positions in shell |
| CN102785741B (en) * | 2012-07-28 | 2014-02-05 | 成都宽和科技有限责任公司 | Power-assisted bicycle with sensor with multiple magnet blocks uniformly distributed in shell |
| CN102826175B (en) * | 2012-07-28 | 2014-02-05 | 成都宽和科技有限责任公司 | Power-assisted bicycle having sensor with multiple position-adjustable magnets in casing |
| CN102826179B (en) * | 2012-07-28 | 2014-03-26 | 成都宽和科技有限责任公司 | Sensing element with adjustable positions and magnetic fluxes of magnetic blocks in shell |
| CN102826181A (en) * | 2012-07-28 | 2012-12-19 | 成都宽和科技有限责任公司 | Turntable sensing element with unevenly distributed magnetic fluxes of magnetic blocks |
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