100 lines
2.2 KiB
Markdown
100 lines
2.2 KiB
Markdown
# open ebike building projects
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# Table of contents
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1. [Introduction](##introduction)
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2. [components](##components)
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1. [Sub paragraph](#subparagraph1)
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3. [Another paragraph](#paragraph2)
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## introduction
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this repository documentents the progress to a open hardware ebike.
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this project include the research on the ebike part market to see what technology is most common and which ne invention are relevant
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## components
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### kits
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(Bafang 36V 250W Ebike Motor Wheel Electric Bike Conversion Kit 20/26/27.5/700C inch Rear Hub Engine with 22.5Ah Bicycle Battery)[https://www.aliexpress.com/item/32908957618.html?spm=a2g0o.productlist.0.0.124d29abXwvWZC&algo_pvid=629160d2-6c5a-4921-8f98-b1ef6bd79b3a&algo_exp_id=629160d2-6c5a-4921-8f98-b1ef6bd79b3a-44&pdp_ext_f=%7B%22sku_id%22%3A%2212000027049288761%22%7D&pdp_npi=2%40dis%21EUR%21%21406.42%21%21%21%21%21%40210318b916528016675078749e86b6%2112000027049288761%21sea]
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<img src="Basic Block Diagram of Pedelec Model E-bike.jpg" alt="alt text" title="image Title" />
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Basic Block Diagram of Pedelec Model E-bike
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<img src="672aa77814electric-bicycle-electric-motor.jpg" alt="alt text" title="image Title" />
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electric-bicycle-electric-motor
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### motor
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### hubmotors
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https://www.electricbike.com/hubmotors/
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#### Motor Specification (example):
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Motor Model: BBS01B
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Bafang Model: MM G340.250
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Power:250W
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Voltage:36V
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Controller Current: 15A
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No Load Speed(RPM) :83-87
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Load Speed(RPM):78-83
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MAX Torque:80 N.m
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Top Speed:28km/h
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Efficiency: > 80%
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PAS SENSOR : Speed Sensor
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Reduction Ratio: 1 : 21.9
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Certification: CE/EN 14764/ROHS
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Waterproof Grade:IP65
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Bracket bottom length:68mm
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Operation Temperature:-20-45℃
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Waterproof Grade: IP65
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Display Working Temperature: -20-80C
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#### gear
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#### power transmission
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https://www.elecycles.com/blog/post/how-much-do-you-know-about-the-e-bike-motor-parameters/
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### battery
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### charger
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### controller
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(E-bike Charger Reference Design)[https://www.monolithicpower.com/reference-design-electrical-bike]
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<img src="controller board.png" alt="alt text" title="image Title" />
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controller board
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<img src="E-bike block diagram.jpg" alt="alt text" title="image Title" />
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### display
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### accelerator throttle
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### breaks - break sensor
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###
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