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Bicycle component motion control

一种自行车、部件的技术，应用在自行车附件、自行车架、车辆部件等方向，能够解决电池容量降低、故障、锂离子电池永久损坏等问题

Pending Publication Date: 2020-07-21
SRAM CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, using a Li-ion battery below this temperature range may result in poor performance of the Li-ion battery (e.g., reduced battery capacity) and permanent damage to the Li-ion battery
For example, using a Li-ion battery below this temperature range can lead to lithium plating and short circuits inside the Li-ion battery, leading to thermal runaway and failure of the Li-ion battery

Method used

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  • Bicycle component motion control
  • Bicycle component motion control
  • Bicycle component motion control

Examples

Experimental program
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Embodiment Construction

[0034] Bicycle component motion control begins when a user commands a derailleur or other motorized bicycle component to shift or actuate, or when a shift or actuation is automatically initiated by a control algorithm executed by the bicycle. The disclosed motorized component motion control solves or improves upon the above and / or other problems and disadvantages of existing and previously known motorized bicycle components. The bicycle component motion control of one or more of the present embodiments compares a combination of parameter values ​​of a bicycle component to predetermined thresholds. Parameters to be checked include, for example, the battery voltage and battery temperature of the battery used for gear shifting or actuation. A gear shift or actuation is initiated only when the battery voltage and battery temperature, respectively, are within predetermined acceptable ranges. Once a shift or actuation has been initiated, if the battery voltage remains below a prede...

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PUM

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Abstract

The invention relates to bicycle component motion control. Bicycle component motion control begins when a motorized bicycle component is commanded to shift or actuate. The bicycle component motion control compares parameters of a component of the bicycle to be moved, to predetermined thresholds to provide safe shifting or actuation. The shift or actuation starts only when the battery voltage and the battery temperature are within predetermined acceptable ranges, respectively. Once the shift or actuation has started, the shift or actuation is aborted if the battery voltage remains below a predetermined low voltage threshold for a predetermined amount of time. If the shift or actuation is aborted when the component is in a position, in which the bicycle may not operate at a particular levelor is inoperable, the shift or actuation command is modified to move the component to a previous position or an intermediate position.

Description

technical field [0001] The present invention relates generally to motorized components for bicycles, and more particularly to controls for rear derailleurs or bicycles. Background technique [0002] Components on a bicycle can be motorized. For example, the rear derailleur of a bicycle may be motorized and may be powered by, for example, a battery. Batteries, such as lithium-ion batteries, can be used over a wide temperature range (eg minus twenty degrees Celsius to 60 degrees Celsius). For example, using a Li-ion battery below this temperature range may result in degraded performance of the Li-ion battery (eg, reduced battery capacity) and permanent damage to the Li-ion battery. For example, using a Li-ion battery below this temperature range can lead to lithium plating and short circuits inside the Li-ion battery, leading to thermal runaway and failure of the Li-ion battery. Contents of the invention [0003] In one embodiment, a motorized component for a bicycle incl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62M9/122
CPCB62M9/122B62J43/30B62J45/20B62J45/41B62M9/132B62M25/08B62J2001/085B62K19/36B62K25/08B62K25/286B62J45/40B62M25/04H01H9/06H01H2009/068
Inventor A·K-I·霍S·哈恩S·金
Owner SRAM CORPORATION
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