M324630 八、新型說明： 【新型所屬之技術領域】 特別是指一種電 本創作係有關於一種電助力自行車 助力自行車之助力系統。 【先前技術】 按’在石油價格節節攀升的影響下，節能的六 已經成為大眾的焦點，其中，電力驅動的電助力具 於具備了無污染且低耗能的優點，因此近年來，恭-由 行車不論是被用來健身、休閒或者短程的交通工2自 市面上已日漸普遍化。 /、’其在 是以’業界為了讓自家產品的更具有競爭優勢， 著手在車體總重的輕量化及製造成本的便宜化，如何^ 助力自行車更貼近人因思考的設計，以吸引更多 = 光’也是業界亟欲改良的方向之一。 、 15 如我國專利第124彻號所揭示-種「智能型電動自行 車」’其包含有供應電力之電池、供應驅動動力之馬達、 煞，感應器、控制馬達之控速把手、車速感應器、踏速感 應器，及中央處理裝置，藉由中央處理裝置接收各感應器 的甙唬，然後進行判斷，而將馬達所供應的動力自動切換 固定的人機助力比、可控的人機助力比以及可控 行 駛三種智慧型行車模式。 丁 允然而/該電動自行車的驅動助力完全係由控速把手來 控制二而行車模式係由中央處理裝置自動判斷，亦即該電 動自行車行進時’使用者無法得知當時的行車模式，則當 4 M324630 騎乘於需要大助力的地 度轉動控速把手，、使用者容易因個人判斷而過 影響到騎乘的安全輸出過大的驅動助力，相對地 有待改良之處。 /、、、’°構的穩定性；因此，習知技藝仍 【新型内容】 之助之if目的係在提供一種安裝於電助力自行車 車的助力摔控統的各種參數，讓制者於自行 比，進而避免馬H w且可設定符合個人需求的助力 安全性。、、’輸出過大的驅動助力，以確保使用上的 緣以達成前揭創作目的，本創作所提供—種電助力自 /f之助f糸統，係包含有：一足踏傳動機構 ，具有一踏 15 係受足踏驅㈣輪組複合於該踏柄轴， ^轴心地轉動，該,_輪_藉由—鏈條來帶動一受驅 $輪組轉動卜踏力感測組具有—齒輪測速器，係設於該 4動輪組，與-力矩感測器設於該受驅動輪組，而測得該 足踏傳動機構之足踏力·，-電池；一馬達，係接收該電池 之電力，而供應驅動助力於該受驅動輪組；以及一主控器， 2〇具有-微處理機，係接收該踏力感測組之足踏力感二則口作 號，且根據一助力比來控制該馬達輸出之驅動助力大小， —助力模組係設定該微處理機之助力比，一顯示模組係顯 示該助力比模式、行車速度與里程數；藉此，本創作係可 顯示系統的助力比模式供使用者參考，讓使用者操控上更 M324630 加方便’且可以避免馬達輪出過大的驅動助力，進而確保 使用上的安全性。 【實施方式】 為使更了解本創作之特點及功效，玆舉以下實施例並 配合圖式說明如下： 第一圖係本創作一較佳實施例之外觀示意圖，係顯示 自行車之結構。 係顯示各構件之間的電路連 圖 弟二圖係概同於第 10接關係。 ，二圖係本創作一較佳實施例之局部放大圖。 第四圖係本創作—較佳實施例之電控圖。 首先’請參考第—圖至第三圖，本創作係—種電助力 勹二車之助力系統’其裝設於一自行車之車體10，車體10 丨5包含有一車手架u、一 ., 14以及一皆加彳 別又木12、一中官13、一後叉架 20、一踏’而该助力系統則包含有一足墙傳動機構 杳力感測組30、一電池4〇、一馬達5〇 60與一副控器7〇。 王ί工口口 足踏傳動機構20裝設於車體1〇之底部， >供使用者踩踏，二踏柄22則共_於—踏;、有二踏 且踏柄軸24同軸心複合 纟柄軸24, 係藉由一鏈停 是：^動輪組26，然後驅動輪 r： ^ 輪心、鏈條27舆受驅=傳= 6 行車前 M324630 進；其中，驅動輪組26與受驅動輪組28於本實施例係多 層的變速齒盤組，當然其亦可皆為單層的齒盤。 踏力感測組30具有一齒輪測速32與一力矩感測裔 34，齒輪測速器32係設置於足踏傳動機構20之驅動輪組 5 26，其可偵測驅動輪組26之轉速，而力矩感測器34裝設 於後叉架14，係以磁性感測原理來偵測力矩之變化。 電池40裝設於車體10之貨架15底部，其内部設有一 電池量規(圖未示），係可偵測電池40之蓄電量，而可對電 池40之充電或放電作精確的計算，讓電池40可有效率地 ίο提供電力給馬達50。 馬達50係裝設於後又架14，其設有一芯轴（圖未示）， 係接設於踏力感測組30之力矩感測器34,且同軸地複合於 受驅動輪組28,所以當馬達50接收電池40之電力而運轉， 其可供應驅動助力給受驅動輪組28，而馬達5〇内部設有一 is速度感測器（圖未示），係可偵測馬達5〇之轉速。 主控器60與副控器70分別設置於車手架η與中管 13，主控器6〇内部設有一微處理機（圖未示），係接收踏力 感測組30、電池40之電池量規與馬達5〇之速度感測器所 測知的訊號，並連接於副控器7〇，而副控器7〇係電性連接 2〇屯池40與馬達50，其内部可執行直流對直流(DC_DC)的功 率轉換，所以可控制電池40供應給馬達50之電力大小， 進而可控制馬達50之轉速。 另外，主控器60設有一助力模組62、一顯示模組64 與^明開_ 66,助力模la 62係可供使用者選擇助力比模 7 M324630 式’且傳送至微處理機，其中，助力比即指使用者足踏力 與馬達50輸出之助力的比例；而顯示模組64於本實施例 係液晶面板模組(LCD)，其可接收微處理機之訊號，而顯示 助力比模式、電池40的電量狀態、自行車的車速與里程數， 5並藉由知明開關66開啟或閉合顯示模組64之背光光源。 藉由上述構件’茲說明本創作之原理與操作如下·· 首先’請參閱第四圖，踏力感測組3〇之力矩感測器34 係直接與馬達50之芯軸接觸，亦即與受驅動輪28之芯軸 接觸’則當足踏傳動機構2〇傳送足踏力時，力矩感測器34 ίο將透過磁性感測芯軸因受力所致的輕微變形，然後將此訊 號傳送至主控器60之微處理機，則微處理機綜合齒輪測速 器32與力矩感測器34之訊號後，便可確定足踏力的大小， 接著微處理機可依據助力模組62所設定的助力比模式，來 控制副控器70所轉送給馬達5〇之電力，並且經由馬達5〇 I5之速度感測裔所測得的轉速來作回饋比較，而讓馬達％輸 出的驅動助力符合助力模組62之設定。 其中，助力模組62係可依據自行車之車速進行助力比 之限定’當車速於時速〇_15km，則不對助力比進行限定， 即使用者可設定助力比為1:1或1:2以上，用以獲得更大的 2〇驅動助力，而當車速於時速l5_24km，則微處理機將依次 地將驅動助力遞減，一直到時速25km時，助力系統將完全 不提供驅動助力；另外，微處理機與助力模組62將助力比 模式切換於工作/睡眠模式，即當踏力感測組未測得足踏 力，或者車速於時速25km時，助力比模式將自動切換於睡 8 M324630 眠核式〃餘則於工作模式，亚且將助 示於顯示馳64 ; II此，可以料^〜料興比湖 ㈣六，日勒田I 4達°避免輸出過大驅 可以依據地形1定所需的助力比。 知!^述說明可以得知，應用本創作於電助力自行車 上’可豬由主控器60之微處理機將系統的各種參數顯示於 顯示模組64，讓使用者於自行車的助力操控上更方便，並 且在設定助力比後，主控器6〇可依照訊號的回饋㈣，更 ，確地控制馬達5G的驅動助力輸出，然後切換於睡眠/工作 模式，讓系統在制者未踩料^輪出驅動助力，以及避 免馬達50輸出過大的驅動助力，以確保使用上的安全性。 M324630 【圖式簡單說明】 第一圖係本創作一較佳實施例之外觀示意圖，係顯示 自行車之結構。 第二圖係概同於第一圖，係顯示各構件之間的電路連 ，5接關係。 _ 第三圖係本創作一較佳實施例之局部放大圖。 第四圖係本創作一較佳實施例之電控圖。M324630 VIII. New description: [New technology field] In particular, it refers to a power generation system that is related to an electric assist bicycle assisting bicycle. [Prior Art] According to the influence of rising oil prices, the energy-saving six has become the focus of the public. Among them, the electric-powered electric booster has the advantages of pollution-free and low energy consumption. - It has become increasingly popular on the market, whether it is used for fitness, leisure or short-distance transportation. /, 'It's in the industry's in order to make its own products more competitive, start to reduce the weight of the car body and the cost of manufacturing, how to help the bicycle closer to the design of human thinking, to attract more More = light' is also one of the directions that the industry wants to improve. 15, as disclosed in the Chinese Patent No. 124, "Intelligent Electric Bicycle", which includes a battery for supplying electric power, a motor for supplying driving power, a cymbal, a sensor, a speed control handle for controlling the motor, a vehicle speed sensor, The speed sensor and the central processing device receive the 甙唬 of each sensor by the central processing device, and then judge, and automatically switch the power supplied by the motor to a fixed human-power assist ratio and a controllable human-power assist ratio. And controllable driving three smart driving modes. Ding Yun, however, the driving force of the electric bicycle is completely controlled by the speed control handle. The driving mode is automatically determined by the central processing unit, that is, when the electric bicycle travels, the user cannot know the driving mode at that time. 4 M324630 Ride on the ground speed control handle that requires a large amount of power. The user can easily influence the safe driving output of the ride because of personal judgment. Relatively, there is room for improvement. /,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, In order to avoid the horse H w and set the safety of safety in accordance with individual needs. , 'Exporting too large driving power to ensure the use of the edge to achieve the purpose of the original creation, this creation provides a kind of electric power from / f help system, including: one foot pedal transmission mechanism, with one The tread 15 is supported by the tread drive (four) wheel set on the tread shaft, and the shaft is rotated. The _ wheel _ is driven by a chain to drive a wheeled wheel. The treading force sensing group has a gear speed measurement. And the torque sensor is disposed on the driven wheel set, and the pedaling force of the footrest transmission mechanism is measured, and the battery is received by the motor. And the supply drive assists the driven wheel set; and a main controller, the second microprocessor has a microprocessor, and receives the pedaling force of the pedaling sensing group, and controls the according to a boost ratio. The driving assist of the motor output, the power assisting module sets the assist ratio of the microprocessor, and the display module displays the assist ratio mode, the driving speed and the mileage; thereby, the creation system can display the assist ratio of the system. Mode for user reference, let the user control more M The 324630 is convenient and can avoid excessive driving force on the motor wheel, thus ensuring safety in use. [Embodiment] In order to better understand the features and functions of the present invention, the following embodiments are described as follows: The first drawing is a schematic view of a preferred embodiment of the present invention, showing the structure of the bicycle. It shows that the circuit diagram between the components is similar to the tenth connection. 2 is a partial enlarged view of a preferred embodiment of the present invention. The fourth figure is an electronic control diagram of the present invention - the preferred embodiment. First of all, please refer to the first to third figures. This creative department is a kind of electric power assisting system. It is installed in a bicycle body 10, and the car body 10 丨5 includes a scaffolding u and a. , 14 and one are added to the other wood 12, a Zhongguan 13, a rear fork 20, a step 'and the power system includes a foot wall transmission mechanism force sensing group 30, a battery 4, one The motor 5〇60 is connected to a sub-controller 7〇. Wang Yugong mouth foot pedal transmission mechanism 20 is installed at the bottom of the car body 1,, > for the user to step on, the second step handle 22 is a total of _--step; there are two steps and the shank shaft 24 concentric composite The shank shaft 24 is stopped by a chain: ^ moving wheel set 26, then the driving wheel r: ^ wheel center, chain 27 舆 driven = pass = 6 driving front M324630; wherein the driving wheel set 26 is driven The wheel set 28 is a multi-layered shifting toothed disk set in this embodiment. Of course, it can also be a single-layered toothed disk. The pedaling force sensing group 30 has a gear speed measuring 32 and a torque sensing body 34. The gear speed measuring unit 32 is disposed on the driving wheel set 526 of the footrest transmission mechanism 20, which can detect the rotational speed of the driving wheel set 26, and the torque. The sensor 34 is mounted on the rear fork frame 14 to detect the change of the moment by the principle of magnetic sensing. The battery 40 is installed at the bottom of the shelf 15 of the vehicle body 10. The battery gauge (not shown) is disposed inside the battery body 40 to detect the amount of electricity stored in the battery 40, and can accurately calculate the charging or discharging of the battery 40. The battery 40 is enabled to efficiently supply power to the motor 50. The motor 50 is mounted on the rear frame 14 and is provided with a mandrel (not shown) connected to the torque sensor 34 of the pedaling force sensing group 30 and coaxially combined with the driven wheel set 28, so When the motor 50 is operated to receive the power of the battery 40, it can supply driving power to the driven wheel set 28, and the motor 5 is internally provided with an is speed sensor (not shown), which can detect the speed of the motor 5〇. . The main controller 60 and the sub controller 70 are respectively disposed in the scaffolding frame η and the middle pipe 13, and a main processor 6 is internally provided with a microprocessor (not shown) for receiving the battery capacity of the pedaling force sensing group 30 and the battery 40. The signal detected by the speed sensor of the motor is connected to the sub-controller 7〇, and the sub-controller 7 is electrically connected to the battery 40 and the motor 50, and the DC pair can be internally performed. DC (DC_DC) power conversion, so that the power supplied to the motor 50 by the battery 40 can be controlled, and the rotational speed of the motor 50 can be controlled. In addition, the main controller 60 is provided with a power assisting module 62, a display module 64 and a clearing module 66, and the power assisting mode e 62 is available for the user to select the assisting mode 7 M324630 and transmit to the microprocessor. The power assist ratio refers to the ratio of the user's pedaling force to the power output of the motor 50. The display module 64 is a liquid crystal panel module (LCD) in this embodiment, which can receive the signal of the microprocessor and display the assist ratio mode. The state of charge of the battery 40, the speed of the bicycle and the number of miles, and the backlight source of the display module 64 is turned on or off by the known switch 66. By the above-mentioned components, the principle and operation of the present invention are described as follows. First, please refer to the fourth figure. The torque sensor 34 of the pedaling sensing group is directly in contact with the mandrel of the motor 50, that is, When the foot shaft of the driving wheel 28 is in contact, the torque sensor 34 ίο will transmit a slight deformation due to the force of the magnetic sensing core shaft, and then transmit the signal to the main body. After the microprocessor 60 synthesizes the signals of the gear speed detector 32 and the torque sensor 34, the magnitude of the pedaling force can be determined, and then the microprocessor can select the assist ratio according to the boosting module 62. The mode is used to control the power that the sub-controller 70 transfers to the motor 5〇, and the feedback speed is measured by the speed measured by the motor 5〇I5, and the driving assistance of the motor% output is matched with the power-assisted module. 62 settings. Wherein, the power assisting module 62 can adjust the assisting ratio according to the speed of the bicycle. When the speed is 〇15km, the assist ratio is not limited, that is, the user can set the assist ratio to 1:1 or 1:2 or more. In order to obtain a larger driving force of 2 〇, and when the vehicle speed is l5_24km, the microprocessor will sequentially reduce the driving assistance, and the driving system will not provide driving assistance at a speed of 25km per hour; in addition, the microprocessor And the assisting module 62 switches the assist ratio mode to the working/sleep mode, that is, when the pedaling force sensing group does not measure the pedaling force, or the vehicle speed is 25 km/h, the assist ratio mode will automatically switch to sleep 8 M324630 sleep core type In the working mode, the sub-sports will be shown in the display of the 64; II, this can be expected to materialize the lake (four) six, the Japanese Rita I 4 reach ° to avoid the output of the big drive can be based on the terrain 1 to determine the required power ratio . It is known that the description can be applied to the application of the present invention on the electric bicycle. The microprocessor can display the various parameters of the system on the display module 64 by the microprocessor of the main controller 60, so that the user can assist the bicycle on the power steering. More convenient, and after setting the power assist ratio, the main controller 6〇 can control the driving power output of the motor 5G according to the feedback of the signal (4), and then switch to the sleep/working mode, so that the system is not stepping on the system. ^ Turn the drive assist and avoid excessive motor drive output from the motor 50 to ensure safety in use. M324630 [Simple Description of the Drawings] The first drawing is a schematic view of the appearance of a preferred embodiment of the present invention, showing the structure of the bicycle. The second figure is similar to the first figure, showing the circuit connection and the 5 connection relationship between the components. The third drawing is a partial enlarged view of a preferred embodiment of the present invention. The fourth figure is an electronic control diagram of a preferred embodiment of the present invention.
10 1510 15
【主要元件符號說明】 車體10 車手架11 中管13 貨架15 足踏傳動機構20踏柄22 驅動輪組26 受驅動輪組28 踏力感測組30 齒輪測速器32 電池40 馬達50 主控器60 助力模組62 照明開關66 副控器70 前叉架12 後叉架14 踏柄轴24 鍵條27 力矩感測器34 顯示模組64 10 20[Main component symbol description] Car body 10 Sack frame 11 Middle tube 13 Shelf 15 Foot drive mechanism 20 Handle 22 Drive wheel set 26 Drive wheel set 28 Stepping force sensing group 30 Gear speedometer 32 Battery 40 Motor 50 Main controller 60 power module 62 lighting switch 66 sub controller 70 front fork 12 rear fork 14 step shaft 24 key bar 27 torque sensor 34 display module 64 10 20