WO2018223273A1 - 一种用于变速自行车的自动变速方法及装置 - Google Patents

一种用于变速自行车的自动变速方法及装置 Download PDF

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WO2018223273A1
WO2018223273A1 PCT/CN2017/087226 CN2017087226W WO2018223273A1 WO 2018223273 A1 WO2018223273 A1 WO 2018223273A1 CN 2017087226 W CN2017087226 W CN 2017087226W WO 2018223273 A1 WO2018223273 A1 WO 2018223273A1
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Prior art keywords
angle
gear
uphill
mode
shifting
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PCT/CN2017/087226
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English (en)
French (fr)
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陈昊
张在夫
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深圳市七尚科技有限公司
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Application filed by 深圳市七尚科技有限公司 filed Critical 深圳市七尚科技有限公司
Priority to CN201780000398.0A priority Critical patent/CN107438559A/zh
Priority to PCT/CN2017/087226 priority patent/WO2018223273A1/zh
Publication of WO2018223273A1 publication Critical patent/WO2018223273A1/zh

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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
    • B62M25/00—Actuators for gearing speed-change mechanisms specially adapted for cycles
    • B62M25/08—Actuators for gearing speed-change mechanisms specially adapted for cycles with electrical or fluid transmitting systems

Definitions

  • the present invention relates to a variable speed bicycle, and more particularly to an automatic shifting method and apparatus for a variable speed bicycle.
  • the technical problem to be solved by the present invention is to provide an automatic shifting method and apparatus for a variable speed bicycle in view of the deficiencies of the prior art.
  • the present invention adopts the following technical solutions.
  • An automatic shifting method for a variable speed bicycle comprising an uphill mode, the uphill mode comprising two or more shifting mechanisms, the shifting mechanism corresponding to a corresponding shifting interval according to the slope of the uphill slope The greater the slope, the lower the shift position.
  • the method further comprises an uphill mode starting step, the steps comprising:
  • the uphill mode is started.
  • the step sensor starts the uphill mode.
  • the uphill mode comprises three shifting mechanisms, when the angle of the vehicle body exceeds a threshold of A+1 degrees but is small When between A+2 degrees, the shift position is limited to the fourth gear; when the angle of the vehicle body exceeds A+2 degrees but less than or equal to A+3 degrees, the shift position is limited to the second gear. When the angle of the car body exceeds A+3 degrees, the shift gear position is limited to the first gear.
  • the method further includes a flat road mode, which is regarded as a flat mode when the angle of the vehicle body is equal to or exceeds a threshold A degree but less than A+1 degrees, and the shift gear position of the flat road mode is limited to a preset Gear position.
  • a flat road mode which is regarded as a flat mode when the angle of the vehicle body is equal to or exceeds a threshold A degree but less than A+1 degrees, and the shift gear position of the flat road mode is limited to a preset Gear position.
  • the new gear position is switched after the time interval corresponding to the new gear position exceeds the length of 500 ms seconds.
  • the method further includes an uphill mode switching downhill mode, and the uphill mode switching downhill mode comprises the following steps:
  • the angle sensor senses that the angle change of the vehicle body changes from the uphill angle to the downhill angle for a preset period of time and the speed reaches or exceeds the preset speed value, and the gear position is low speed 1st, 2nd, 3rd or 4th. Jump to 6th, 7th, 8th, 9th, 10th or 11th. When the angle of the car is less than the threshold A, it is regarded as the downhill angle.
  • the angle sensor senses that the angle change of the vehicle body is changed from the uphill angle to the downhill angle for more than 2 seconds and the speed reaches or exceeds 18 kilometers per hour, and the gear is in any of the first, second or third gears. The gear jumps directly to the 8th gear.
  • An automatic shifting device for a shift bicycle includes a bottom case having two ears, a motor, an angle sensor and a circuit board, and a screw rod, a slide bar and a nut, the screw rod and the sliding rod are arranged in parallel and both pass through a nut, the nut is screwed to the screw rod, the nut is slidably connected with the screw rod, and the shifting wire is fixed on the nut, and the motor is electrically
  • the MCU is connected to the circuit board, and the circuit board includes an MCU. The MCU slides the nut forward and backward by controlling the positive and negative rotation of the motor, thereby driving the shifting line to move; the MCU and the angle sensor are electrically connected.
  • the bottom case is provided with a battery for supplying power to the motor and the circuit board.
  • the automatic shifting method and device for a variable speed bicycle disclosed by the invention ensures the rider's ride smoothness and torque balance during the riding uphill process by the multi-gear shifting mechanism of the uphill mode. A good riding experience.
  • Figure 1 is an exploded view of the automatic transmission of the present invention.
  • the invention discloses an automatic shifting method for a variable speed bicycle, which comprises an uphill mode.
  • the uphill mode comprises two or more shifting mechanisms, and different shifting mechanisms correspond to corresponding slopes according to the slope of the uphill slope. In the range, the greater the slope, the lower the shift position.
  • an uphill mode startup step is further included, and the uphill mode startup step includes:
  • Step S1 self-learning to set a threshold A of the uphill angle
  • Step S2 When the angle sensor senses that the angle change of the vehicle body exceeds the threshold of the uphill angle, the uphill mode is started.
  • the micro control unit MCU record the data of the angle sensor under the horizontal state or the slope state through an entrance (for example, pressing a button) And save, and then in actual riding, the data measured by the micro control unit MCU in real time is compared with the data A prestored by the angle sensor to determine whether to start the uphill mode.
  • the user can set the data A pre-stored by the angle sensor according to his own riding habits and physical strength, and can obtain a better riding experience suitable for himself.
  • the uphill mode is started.
  • the angle change of the car body is instantaneously completed and will quickly return to the original state, and the actual change of the riding slope does not occur. If the angle is instantaneously changed, the uphill mode is also started. , useless switching will occur frequently, not only will affect the riding experience, but also affect the life of the shifting device.
  • the uphill mode comprises three shifting mechanisms.
  • the shifting gear is limited to the fourth gear; when the angle of the vehicle body exceeds A When +2 degrees but less than or equal to A+3 degrees, the shift position is limited to the second gear; when the angle of the car body exceeds A+3 degrees, the shift gear limit In the first gear.
  • the lowest gear of the shift is the fourth gear; when the angle of the vehicle body exceeds 4 degrees but less than or equal to 5 degrees
  • the lowest gear of the shift is the second gear; when the angle of the car body exceeds 5 degrees, the lowest gear of the shift is the first gear.
  • the method further includes a flat road mode, which is regarded as a flat mode when the angle of the vehicle body is equal to or exceeds a threshold A degree but less than A+1 degrees, and the shift gear position of the flat road mode is limited to a preset Gear position.
  • the lowest gear shift can be limited to 6th, 7th or 8th.
  • the new gear position is switched after the time interval corresponding to the new gear position exceeds 500 ms.
  • the angle change of the car body is instantaneously completed and will quickly return to the original state, and the actual change of the riding slope does not occur. If the angle changes instantaneously, the new gear position is also switched. , useless switching will occur frequently, not only will affect the riding experience, but also affect the life of the shifting device.
  • the method further includes an uphill mode switching downhill mode
  • the uphill mode switching downhill mode includes the following steps:
  • the angle sensor senses that the angle change of the vehicle body changes from the uphill angle to the downhill angle for a preset period of time and the speed reaches or exceeds the preset speed value, and the gear position is low speed 1st, 2nd, 3rd or 4th. Jump to 6th, 7th, 8th, 9th, 10th or 11th. When the angle of the car is less than the threshold A, it is regarded as the downhill angle.
  • the angle sensor senses that the angle change of the vehicle body is changed from the uphill angle to the downhill angle for more than 2 seconds and the speed reaches or exceeds 18 kilometers per hour, and the gear is in any of the first, second or third gears.
  • the gear jumps directly to the 8th gear to eliminate the effect of the sudden decrease in torque.
  • an automatic shifting device for a variable speed bicycle includes a bottom case 1 , and the bottom case 1 is provided with two ears 2 , a motor 6 , an angle sensor 9 and a circuit board 7 , two Between the lugs 2 is provided a screw rod 3, a slide rod 4 and a nut 5, which are arranged in parallel and both pass through a nut 5, the nut 5 being screwed to the screw rod 3, The nut 5 is slidably connected to the lead screw 3, and the shifting wire 8 is fixed on the nut 5.
  • the motor 6 is used to drive the screw 3 to rotate to slide the nut 5 along the sliding rod 4.
  • the motor 6 is electrically connected.
  • the circuit board 7 includes an MCU.
  • the MCU slides the nut 5 forward and backward by controlling the motor 6 to rotate forward and backward, thereby driving the shifting line 8 to move, and the MCU and the angle sensor 9 are electrically connected.
  • the angle sensor 9 is used for sensing the change of the body angle and generating an electrical signal for transmission to the circuit board 7 including the MCU, the line The MCU of the board 7 in turn completes the shifting operation control.
  • the bottom case 1 is provided with a battery 13 for supplying power to the motor 6 and the circuit board 7.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Transmission Device (AREA)

Abstract

一种用于变速自行车的自动变速方法及装置，包括上坡模式，所述上坡模式包括两个或两个以上的换挡机制，所述换挡机制根据上坡的坡度大小对应相应的换挡区间，坡度越大，换挡的档位越低。其通过上坡模式的多档位换挡机制，保证了自动变速自行车在骑行上坡过程中骑行平顺性、力矩的均衡性，能够获得良好的骑行体验。

Description

一种用于变速自行车的自动变速方法及装置 技术领域
本发明涉及变速自行车，尤其涉及一种用于变速自行车的自动变速方法及装置。
背景技术
目前市面上的自动变速方案中一般仅有两种模式，一个平路模式，一个上坡模式，并且上坡模式中仅存一种换挡机制，直接变换为一档(最大的飞轮)工作，而实际上，如果仅有一点点坡度就进入上坡模式的话，这样骑行就太轻了，如果碰到连续的上坡又很难骑的上去，所以这种方式并不实用，骑行体验也很差。
技术问题
本发明要解决的技术问题在于，针对现有技术的不足，提供一种用于变速自行车的自动变速方法及装置。
问题的解决方案
技术解决方案
为解决上述技术问题，本发明采用如下技术方案。
一种用于变速自行车的自动变速方法，包括上坡模式，所述上坡模式包括两个或两个以上的换挡机制，所述换挡机制根据上坡的坡度大小对应相应的换档区间，坡度越大，换挡的档位越低。
优选地，还包括上坡模式启动步骤，所述步骤包括：
S1、自学习设置上坡角度的阈值A；
S2、角度传感器感应到车体的角度变化超过上坡角度的阈值时，启动上坡模式。
优选地，步骤S2所述角度传感器感应到车体的角度变化超过上坡角度阈值的时长超过500ms时，启动上坡模式。
优选地，所述上坡模式包括三个换挡机制，当车体的角度超过阈值A+1度但小 于A+2度之间时，换挡档位限制于第4档；当车体的角度超过A+2度但小于或等于A+3度之间时，换挡档位限制于第2档；当车体的角度超过A+3度时，换挡档位限制于第1档。
优选地，还包括平路模式，当车体的角度等于或超过阈值A度但小于A+1度之间时视为平路模式，所述平路模式的换挡档位限制于预设的档位。
优选地，所述不同档位之间切换时，进入新的档位所对应的角度区间超过500ms秒的时长之后才进行新档位的切换。
优选地，还包括上坡模式切换下坡模式，所述上坡模式切换下坡模式包括以下步骤：
角度传感器感应到车体的角度变化由上坡角度变化为下坡角度持续预设的时长并且速度达到或超过预设的速度值时，档位由低速1档、2档、3档或4档跳转到6档、7档、8档、9档、10档或11档，当车体的角度小于阈值A度时视为下坡角度。
优选地，角度传感器感应到车体的角度变化由上坡角度变化为下坡角度时长超过2秒并且速度达到或超过18公里每小时，档位在1档、2档或3档中的任何一个档位直接跳到第8档。
一种用于变速自行车的自动变速装置，包括有底壳，所述底壳上设有两个支耳、电机、角度传感器和线路板，两个支耳之间设有丝杆、滑杆和螺母，所述丝杆和滑杆并行设置且二者均穿过螺母，所述螺母与丝杆螺纹连接，所述螺母与丝杆滑动连接，所述螺母上固定有变速线，所述电机电性连接于线路板，所述线路板包括有MCU，所述MCU通过控制电机正、反转而令螺母前后滑动，进而带动变速线移动；所述MCU和角度传感器电连接。
优选地，所述底壳上设有电池，所述电池用于对电机和线路板供电。
发明的有益效果
有益效果
本发明公开的用于变速自行车的自动变速方法及装置，其通过上坡模式的多档位换挡机制，保证了自动变速自行车在骑行上坡过程中骑行平顺性、力矩的均衡性，能够获得良好的骑行体验。
对附图的简要说明
附图说明
图1为本发明自动变速装置的分解图。
实施该发明的最佳实施例
本发明的最佳实施方式
下面结合附图和实施例对本发明作更加详细的描述。
本发明公开了一种用于变速自行车的自动变速方法，包括上坡模式，上坡模式包括两个或两个以上的换挡机制，不同的换挡机制根据上坡的坡度大小对应相应的换档区间，坡度越大，换挡的档位越低。
在上述方案的基础上，还包括上坡模式启动步骤，所述上坡模式启动步骤包括：
步骤S1、自学习设置上坡角度的阈值A；
步骤S2、角度传感器感应到车体的角度变化超过上坡角度的阈值时，启动上坡模式。
把自动变速自行车放到一个水平的地面或具有一定坡度的地面上，然后我们通过一个入口(比如说按一个按钮)让微控制单元MCU计录下水平壮态或坡度状态下角度传感器的数据A并保存，然后在实际骑行时，微控制单元MCU实时测量到的数据和这角度传感器预存的数据A进行比较，判定是否启动上坡模式。同时，用户可以跟据自已的骑行习惯和体力自已设置角度传感器预存的数据A，可以获得更好的、适合于自己的骑行体验。
具体的，角度传感器感应到车体的角度变化超过上坡角度阈值的时长超过500ms时，启动上坡模式。在具有坑洼的地面上，车体的角度变化是在瞬时完成的并且迅速会回复到原来的状态，并不发生骑行坡度的实际变化，如果在角度瞬时变化时也进行上坡模式的启动，则无用的切换会频繁发生，不但会影响骑行的体验，也会影响换挡装置的寿命。
优选地，上坡模式包括三个换挡机制，当车体的角度超过阈值A+1但小于A+2度之间时，换挡档位限制于第4档；当车体的角度超过A+2度但小于或等于A+3度之间时，换挡档位限制于第2档；当车体的角度超过A+3度时，换挡档位限制 于第1档。以阈值A为2度为例，当车体的角度超过3度但小于4度之间时，换挡的最低档位为第4档；当车体的角度超过4度但小于或等于5度之间时，换挡的最低档位为第2档；当车体的角度超过5度时，换挡的最低档位为第1档。
优选地，还包括平路模式，当车体的角度等于或超过阈值A度但小于A+1度之间时视为平路模式，所述平路模式的换挡档位限制于预设的档位。比如在平路模式时，换挡的最低档位可以限制于6档、7档或8档。
具体的，不同档位之间切换时，进入新的档位所对应的角度区间超过500ms的时长之后才进行新档位的切换。在具有坑洼的地面上，车体的角度变化是在瞬时完成的并且迅速会回复到原来的状态，并不发生骑行坡度的实际变化，如果在角度瞬时变化时也进行新档位的切换，则无用的切换会频繁发生，不但会影响骑行的体验，也会影响换挡装置的寿命。
具体的，还包括上坡模式切换下坡模式，所述上坡模式切换下坡模式包括以下步骤：
角度传感器感应到车体的角度变化由上坡角度变化为下坡角度持续预设的时长并且速度达到或超过预设的速度值时，档位由低速1档、2档、3档或4档跳转到6档、7档、8档、9档、10档或11档，当车体的角度小于阈值A度时视为下坡角度。
优选地，角度传感器感应到车体的角度变化由上坡角度变化为下坡角度时长超过2秒并且速度达到或超过18公里每小时，档位在1档、2档或3档中的任何一个档位直接跳到第8档，以消除力矩突然变小造成的影响。
如图1所示，一种用于变速自行车的自动变速装置，其包括有底壳1，所述底壳1上设有两个支耳2、电机6、角度传感器9和线路板7，两个支耳2之间设有丝杆3、滑杆4和螺母5，所述丝杆3和滑杆4并行设置且二者均穿过螺母5，所述螺母5与丝杆3螺纹连接，所述螺母5与丝杆3滑动连接，所述螺母5上固定有变速线8，所述电机6用于驱动丝杆3转动以令螺母5沿滑杆4滑动，所述电机6电性连接于线路板7，所述线路板7包括有MCU，所述MCU通过控制电机6正、反转而令螺母5前后滑动，进而带动变速线8移动，所述MCU和角度传感器9电连接。角度传感器9用于感知车体角度的变化，并生成电信号传输至线路板7包括有MCU，线路 板7的MCU进而完成换挡操作控制。
具体的，本实施例中，所述底壳1上设有电池13，所述电池13用于对电机6和线路板7供电。
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 (10)

  1. 一种用于变速自行车的自动变速方法，其特征在于，包括上坡模式，所述上坡模式包括两个或两个以上的换挡机制，所述换挡机制根据上坡的坡度大小对应相应的换档区间，坡度越大，换挡的档位越低。
  2. 根据权利要求1所述用于变速自行车的自动变速方法，其特征在于，还包括上坡模式启动步骤，所述步骤包括：S1、自学习设置上坡角度的阈值A；S2、角度传感器感应到车体的角度变化超过上坡角度的阈值时，启动上坡模式。
  3. 根据权利要求2所述用于变速自行车的自动变速方法，其特征在于，步骤S2所述角度传感器感应到车体的角度变化超过上坡角度阈值的时长超过500ms时，启动上坡模式。
  4. 根据权利要求2所述用于变速自行车的自动变速方法，其特征在于，所述上坡模式包括三个换挡机制，当车体的角度超过阈值A+1度但小于A+2度之间时，换挡档位限制于第4档；当车体的角度超过A+2度但小于或等于A+3度之间时，换挡档位限制于第2档；当车体的角度超过A+3度时，换挡档位限制于第1档。
  5. 根据权利要求2所述用于变速自行车的自动变速方法，其特征在于，还包括平路模式，当车体的角度等于或超过阈值A度但小于A+1度之间时视为平路模式，所述平路模式的换挡档位限制于预设的档位。
  6. 根据权利要求4或5任一所述用于变速自行车的自动变速方法，其特征在于，所述不同档位之间切换时，进入新的档位所对应的角度区间超过500ms的时长之后才进行新档位的切换。
  7. 根据权利要求2所述用于变速自行车的自动变速方法，其特征在于，还包括上坡模式切换下坡模式，所述上坡模式切换下坡模式包括以下步骤：角度传感器感应到车体的角度变化由上坡角度变化为下坡角度持续预设的时长并且速度达到或超过预设的速度值时 ，档位由低速1档、2档、3档或4档跳转到6档、7档、8档、9档、10档或11档，，当车体的角度小于阈值A度时视为下坡角度。
  8. 根据权利要求7所述用于变速自行车的自动变速方法，其特征在于，角度传感器感应到车体的角度变化由上坡角度变化为下坡角度时长超过2秒并且速度达到或超过18公里每小时，档位在1档、2档或3档中的任何一个档位直接跳到第8档。
  9. 一种用于变速自行车的自动变速装置，其特征在于，包括有底壳，所述底壳上设有两个支耳、电机、角度传感器和线路板，两个支耳之间设有丝杆、滑杆和螺母，所述丝杆和滑杆并行设置且二者均穿过螺母，所述螺母与丝杆螺纹连接，所述螺母与丝杆滑动连接，所述螺母上固定有变速线，所述电机电性连接于线路板，所述线路板包括有MCU，所述MCU通过控制电机正、反转而令螺母前后滑动，进而带动变速线移动；所述MCU和角度传感器电连接。
  10. 如权利要求9所述的用于变速自行车的自动变速装置，其特征在于，所述底壳上设有电池，所述电池用于对电机和线路板供电。
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