TWI843339B - Photoelectric reflection speed sensor for bicycle and speed measurement method thereof - Google Patents
Photoelectric reflection speed sensor for bicycle and speed measurement method thereof Download PDFInfo
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Abstract
本發明係為一種自行車用之光電反射式速度感測器及其測速方法,其係設於一預設車輛上,係包括光源發射模組,係會設於鄰近該預設車輛上的一腳踏板軸心周圍,並發射第一入射光線及第二入射光線,一車軸反射面板,係設於該腳踏板軸心上並面向該光源發射模組的一側,且該車軸反射面板係會隨著該腳踏板軸心轉動並持續反射該光源發射模組射入的第一入射光線及第二入射光線,一光線感測模組,係會感測該車軸反射面板反射的光線並根據每分鐘感測到的次數傳送第一脈衝訊號及第二脈衝訊號,一處理器,係會分析該第一脈衝訊號及該第二脈衝訊號以計算出該預設車輛的移動速度,並傳送一測速訊號,一顯示設備,係會接收該測速訊號並將其顯示在該顯示設備上的一顯示部上,係藉由上述預設車輛上裝設有光電反射式速度感測器,令該預設車輛在行駛的過程中透過光電的折射及偵測,測量出該預設車輛的移動速度之功效。 The present invention is a photoelectric reflection speed sensor for a bicycle and a speed measurement method thereof. The photoelectric reflection speed sensor is arranged on a preset vehicle and includes a light source emitting module, which is arranged around a pedal axis near the preset vehicle and emits a first incident light and a second incident light, an axle reflection panel, which is arranged on the pedal axis and faces one side of the light source emitting module, and the axle reflection panel rotates with the pedal axis and continuously reflects the first incident light and the second incident light emitted by the light source emitting module, and a light sensing module, which senses the axle. The light reflected by the reflective panel is transmitted as a first pulse signal and a second pulse signal according to the number of times sensed per minute. A processor analyzes the first pulse signal and the second pulse signal to calculate the moving speed of the preset vehicle and transmits a speed measurement signal. A display device receives the speed measurement signal and displays it on a display part of the display device. The preset vehicle is equipped with a photoelectric reflection speed sensor, so that the preset vehicle can measure the moving speed of the preset vehicle through photoelectric refraction and detection during driving.
Description
本發明係有關於一種自行車用之光電反射式速度感測器及其測速方法,尤指一種藉由透過在一預設車輛上裝設有光電反射式速度感測器,以令該預設車輛在行駛的過程中透過光電的反射及偵測,測量出該預設車輛的移動速度之功效。 The present invention relates to a photoelectric reflection speed sensor for bicycles and a speed measurement method thereof, and in particular to a method of measuring the moving speed of a preset vehicle by installing a photoelectric reflection speed sensor on the preset vehicle so that the preset vehicle can reflect and detect photoelectricity during driving.
按,由於現代人生活、工作均相當忙碌,都會利用假日休息時間、從事戶外的休閒活動,而對於戶外活動愈漸頻繁,也提升國人對休閒運動的風氣逐漸重視,如騎乘自行車、電動輔助自行車等來達到休閒之目的,也是近年來相當盛行的戶外休閒方式。 According to the report, since modern people are very busy in life and work, they will use their holiday time to engage in outdoor leisure activities. The increasing frequency of outdoor activities has also increased the people's attention to leisure sports. Riding bicycles and electric assisted bicycles to achieve leisure purposes has also become a very popular outdoor leisure method in recent years.
而隨著現今的自行車、電動車等工具的使用頻率逐漸增高,相關業者係為此分析自行車的使用頻率及移動相關之數據,係有開發相關的測速、感測裝置,然而傳統的自行車速度感測器係透過電磁感應(霍爾效應)的原理製造而成,係較有受到外部電磁效應的干擾風險,即為有待從事於此行業者所亟欲研究改善之關鍵所在。 As the frequency of use of bicycles, electric vehicles and other tools gradually increases, relevant industries analyze the frequency of bicycle use and movement-related data and develop relevant speed measurement and sensing devices. However, traditional bicycle speed sensors are manufactured based on the principle of electromagnetic induction (Hall effect), which is more likely to be interfered by external electromagnetic effects. This is the key point that those engaged in this industry are eager to study and improve.
故,發明人有鑑於上述之問題與缺失,乃蒐集相關資料,經由多方評估及考量,並以從事於此行業累積之多年經驗,經由不斷試作 及修改,始設計出此種具有自行車用之光電反射式速度感測器及其測速方法發明專利誕生。 Therefore, in view of the above problems and deficiencies, the inventor collected relevant information, evaluated and considered various aspects, and used his many years of experience in this industry to continuously try and modify, and finally designed this photoelectric reflection speed sensor for bicycles and its speed measurement method invention patent.
本發明之主要目的在於該自行車用之光電反射式速度感測器,其係設於一預設車輛上,係包括,一光源發射模組,係包括設於相鄰於該預設車輛上的一腳踏板軸心周圍的第一光源發射裝置,以及與該第一光源發射裝置設於同側的第二光源發射裝置,且該第一光源發射裝置及該第二光源發射裝置係會各別發射一第一入射光線及一第二入射光線,一係設於該腳踏板軸心上並面向該光源發射模組的一側,且該車軸反射面板係會隨著該腳踏板軸心轉動並持續反射該光源發射模組射入的該第一入射光線及該第二入射光線,一光線感測模組,係包括感測該車軸反射面板反射的該第一入射光線及該第二入射光線並根據每分鐘感測到的次數傳送一第一脈衝訊號及一第二脈衝訊號的第一光線感測器及第二光線感測器,一處理器,係會分析該第一脈衝訊號及該第二脈衝訊號的時間差,以計算出該預設車輛的移動速度及前進方向,並傳送一測速訊號,一顯示設備,係會接收該測速訊號並將其顯示在該顯示設備上的一顯示部上,並藉由上述的該光源發射模組持續射出該第一入射光線及該第二入射光線,並在該車軸反射面板進行反射,以供該光線感測模組測量出每分鐘的光線感測次數,以令該處理器計算出該預設車輛的移動速度及前進方向,達到透過光電感測測量出該預設車輛的移動速度之功效。 The main purpose of the present invention is a photoelectric reflection speed sensor for a bicycle, which is arranged on a preset vehicle and includes a light source emitting module, which includes a first light source emitting device arranged around a pedal axis adjacent to the preset vehicle, and a second light source emitting device arranged on the same side as the first light source emitting device, and the first light source emitting device and the second light source emitting device will respectively emit a first incident light and a second incident light, a light source emitting module, which is arranged on the pedal axis and faces a side of the light source emitting module, and the axle reflection panel will rotate with the pedal axis and continuously reflect the first incident light and the second incident light emitted by the light source emitting module, and a light sensing module, which includes sensing the first incident light and the second incident light reflected by the axle reflection panel. A first light sensor and a second light sensor are provided for emitting light and transmitting a first pulse signal and a second pulse signal according to the number of times sensed per minute, a processor is provided for analyzing the time difference between the first pulse signal and the second pulse signal to calculate the moving speed and the forward direction of the preset vehicle, and transmitting a speed measurement signal, and a display device is provided for receiving the speed measurement signal and displaying it on the display On a display unit on the device, the light source emitting module continuously emits the first incident light and the second incident light, and reflects on the axle reflection panel, so that the light sensing module measures the number of light sensing times per minute, so that the processor calculates the moving speed and forward direction of the preset vehicle, thereby achieving the effect of measuring the moving speed of the preset vehicle through photoelectric sensing.
1:光源發射模組 1: Light source emission module
11:第一光源發射裝置 11: First light source emitting device
12:第二光源發射裝置 12: Second light source emitting device
2:車軸反射面板 2: Axle reflective panel
21:低反射面 21: Low reflective surface
22:反射部 22: Reflection part
3:光線感測模組 3: Light sensing module
31:第一光線感測器 31: First light sensor
32:第二光線感測器 32: Second light sensor
4:處理器 4: Processor
5:顯示設備 5: Display device
51:顯示部 51: Display unit
6:低反射外殼 6: Low reflective housing
A1:預設車輛 A1: Default vehicle
A11:腳踏板軸心 A11: Pedal axle
〔第1圖〕係為本發明自行車用之光電反射式速度感測器之功能方塊圖。 [Figure 1] is a functional block diagram of the photoelectric reflection speed sensor for bicycles of the present invention.
〔第2圖〕係為本發明自行車用之光電反射式速度感測器之側視圖。 [Figure 2] is a side view of the photoelectric reflection speed sensor for bicycles of the present invention.
〔第3圖〕係為本發明第2圖之局部放大圖。 [Figure 3] is a partial enlarged view of Figure 2 of the present invention.
〔第4圖〕係為本發明自行車用之光電反射式速度感測器之步驟流程圖。 [Figure 4] is a step flow chart of the photoelectric reflection speed sensor for bicycles of the present invention.
請參閱第1至3圖所示,係為本發明自行車用之光電反射式速度感測器之功能方塊圖、側視圖及第2圖之局部放大圖,本發明自行車用之光電反射式速度感測器,其係設於一預設車輛A1上,主要包括有一光源發射模組1、一車軸反射面板2、一光線感測模組3、一處理器4及一顯示設備5,而關於前述構件之連接關係如下:該光源發射模組1,係包括鄰近該預設車輛A1上的一腳踏板軸心A11周圍設有的第一光源發射裝置11,以及與該第一光源發射裝置11設於同側的第二光源發射裝置12,且該第一光源發射裝置11及該第二光源發射裝置12係會各別發射一第一入射光線及一第二入射光線。
Please refer to Figures 1 to 3, which are functional block diagrams, side views and a partial enlarged view of Figure 2 of the photoelectric reflection type speed sensor for bicycles of the present invention. The photoelectric reflection type speed sensor for bicycles of the present invention is arranged on a preset vehicle A1, and mainly includes a light
該車軸反射面板2,係設於該腳踏板軸心A11上並面向該光源發射模組1的一側,且該車軸反射面板2係會隨著該腳踏板軸心A11轉動並持續反射該光源發射模組1射入的該第一入射光線及該第二入射光線。
The axle
該光線感測模組3,係會感測該車軸反射面板2反射的該第一入射光線及該第二入射光線並根據每分鐘感測到的次數傳送第一脈衝訊號及第二脈衝訊號。
The
該處理器4,係會分析該第一脈衝訊號及該第二脈衝訊號的時間差,以計算出該預設車輛A1的移動速度及前進方向,並傳送一測速訊號。
The
該顯示設備5,係會接收該測速訊號並將其顯示在該顯示設備5上的一顯示部51上。
The
且上述該車軸反射面板2係包括有低反射材質製成的一低反射面21,並於該低反射面21的相鄰外徑處設有複數環狀排列且具高反射材質製成以反射該光源發射模組1射出之該第一入射光線及該第二入射光線的複數反射部22。
The axle
且上述該光源發射模組1、該車軸反射面板2及該光線感測模組3外係進一步罩覆有阻隔外部光線,以防止外部光線影響反射結果的低反射外殼6。
The light
且上述該光源發射模組1係可為紅外線或雷射發射器,而光線感測模組3係可為紅外線或雷射接收器。
The light
本發明自行車用之光電反射式速度感測器及其測速方法於實際應用時,係可藉由一預設使用者起動該預設車輛A1上的光電反射測速器,並騎乘該預設車輛A1移動以進行測速,而該預設車輛A1上的該腳踏板軸心A11會藉由該預設使用者的踩動旋轉,進而帶動該腳踏板軸心A11上的該車軸反射面板2一起旋轉,而設於該腳踏板軸心A11周圍的該第一光源發射裝置11及該第二光源發射裝置12係會持續對該車軸反射面板2的反射角度進行該第一入射光線及該第二入射光線的照射,而該車軸反射面板2上呈複數環狀排列的該反射部22係會在每次旋轉經過該反射角度後對該第一入射光線及該第二入射光線進行反射,並藉由設於該腳踏板軸心A11周圍的該光線感測模組3上的該第一光線感測器31及該第二光線感測器32接收該第一入射光線及該第二入射光線,並根據每分鐘感測到的該第一入射
光線及該第二入射光線的次數傳送該第一脈衝訊號及該第二脈衝訊號至該處理器4,該處理器4係會分析該第一脈衝訊號及該第二脈衝訊號以計算出該預設車輛A1的移動速度及前進方向,並傳送測速訊號至該顯示設備5的該顯示部51上,以顯示該預設車輛A1的移動速度給該預設使用者,達到藉由光電反射進行車輛測速的功效。
The photoelectric reflection speed sensor for bicycle and the speed measuring method thereof of the present invention can be used in actual application. A preset user can start the photoelectric reflection speed meter on the preset vehicle A1 and ride the preset vehicle A1 to move for speed measurement. The pedal axle A11 on the preset vehicle A1 will rotate due to the pedaling of the preset user, thereby driving the
且上述該處理器4係會根據該第一脈衝訊號及該第二脈衝訊號的時間差異來判別該預設車輛A1軸的轉動方向,若轉動方向為負,則可判別該預設車輛A1行進方向向後,進而不傳送訊號,若為正,則傳送一測速訊號至該顯示設備5。
The
上述該預設車輛A1係可為自行車、電動自行車之透過車輪轉動進行移動之交通工具。 The above-mentioned default vehicle A1 can be a bicycle or an electric bicycle, which is a means of transportation that moves by rotating the wheels.
上述該顯示設備5係可為LCD顯示器、LED顯示器或其它具備顯示功能之設備。
The
請再參閱第4圖所示,係為本發明自行車用之光電反射式速度感測器及其測速方法之步驟流程圖,由圖中可清楚看出,本發明自行車用之光電反射式速度感測器之執行步驟如下: Please refer to Figure 4 again, which is a flow chart of the photoelectric reflection speed sensor for bicycles and the speed measurement method of the present invention. It can be clearly seen from the figure that the execution steps of the photoelectric reflection speed sensor for bicycles of the present invention are as follows:
(A01)一預設使用者騎乘預設車輛A1並起動光電反射測速器。 (A01) A preset user rides the preset vehicle A1 and starts the photoelectric reflection speed meter.
(A02)該光電反射測速器的第一光源發射裝置11及第二光源發射裝置12係會向對應的車軸反射面板2上的反射角度進行第一入射光線及第二入射光線的持續射出,該車軸反射面板2係設於該預設車輛A1上的腳踏板軸心A11上,且該車軸反射面板2係會跟隨該預設使用者的踩
動的腳踏頻率進行旋轉,而該第一入射光線及該第二入射光線射入的該反射角度係會射出至該車軸反射面板2上複數環狀排列的複數反射部22上進行光線的反射,且該複數反射部22係會隨著該腳踏頻率轉動的該車軸反射面板2轉動,藉此令該反射角度上的該第一入射光線及該第二入射光線在該複數反射部22之間進行光線反射的切換。
(A02) The first light
(A03)而設於該車軸反射面板2一側的第一光線感測器31及第二光線感測器32,係會接收來自該複數反射部22反射後的該第一入射光線及該第二入射光線,並根據該第一入射光線及該第二入射光線每分鐘感測、接收到的次數傳送第一脈衝訊號及第二脈衝訊號至一處理器4。
(A03) The
(A04)該處理器4係會分析該第一脈衝訊號及該第二脈衝訊號以計算出該預設車輛A1的移動速度及該第一脈衝訊號及該第二脈衝訊號的時間差異,且該處理器4係會根據時間差異判別軸的轉動方向,若轉動方向為負,則可判別該預設車輛A1行進方向向後,進而不傳送訊號,若為正,則傳送一測速訊號至一顯示設備5。
(A04) The
(A05)該顯示設備5,係會接收該測速訊號並將其顯示在該顯示設備5上的一顯示部51上。
(A05) The
(A06)該預設使用者關閉該光電反射測速器,以完成該自行車用之光電反射式速度感測方法的測速方法之步驟流程。 (A06) The user is preset to turn off the photoelectric reflection speedometer to complete the step flow of the speed measurement method of the photoelectric reflection speed sensing method for the bicycle.
且上述步驟(A02)之該車軸反射面板2上的非反射部之表面係為避免多餘的反射造成該光線感測器的判斷錯誤,而使用低反射材質製成。
In addition, the non-reflective surface of the axle
且上述該步驟(A02)、(A03)之該光源發射模組
1、該車軸反射面板2及該光線感測模組3外係進一步罩覆有阻隔外部光線,以防止外部光線影響反射結果的低反射外殼6。
The light
且上述該步驟(A04)之該預設車輛A1的移動速度的計算係為透過每分鐘轉速=60/[訊號週期(ms)*反射部總數量]/0.001,再將該每分鐘轉速*該預設車輛的輪胎圓周(cm)=每分鐘移動距離(cm),再將每分鐘移動距離(cm)*60/1000/1000=每小時移動公里。 The calculation of the moving speed of the preset vehicle A1 in the above step (A04) is through the rotation speed per minute = 60/[signal cycle (ms)*total number of reflection parts]/0.001, then the rotation speed per minute*the tire circumference of the preset vehicle (cm)=moving distance per minute (cm), and then the moving distance per minute (cm)*60/1000/1000=moving kilometers per hour.
本發明為具有下列之優點: The present invention has the following advantages:
(一)該自行車用之光電反射式速度感測器係為透過光電反射的感應方式來進行該預設車輛A1的行進速度的測量,相比透過電磁感應式的感測器具有較為快速且穩定的轉化速度,係以藉此提高速度測量的準確性。 (1) The photoelectric reflection speed sensor for bicycles measures the speed of the preset vehicle A1 through the photoelectric reflection sensing method. Compared with the electromagnetic induction sensor, it has a faster and more stable conversion speed, thereby improving the accuracy of speed measurement.
(二)該自行車用之光電反射式速度感測器的外殼係罩覆有阻絕反射的低反射外殼6,係能避免外部光線的干擾,進而提高速度測量的完善程度。 (ii) The housing of the photoelectric reflection speed sensor for bicycles is covered with a low-reflection housing 6 that blocks reflections, which can avoid interference from external light and thus improve the degree of perfection of speed measurement.
上所述僅為本發明之較佳實施例而已,非因此即侷限本發明之專利範圍,故舉凡運用本發明說明書及圖式內容所為之簡易修飾及等效結構變化,均應同理包含於本發明之專利範圍內,合予陳明。 The above is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. Therefore, all simple modifications and equivalent structural changes made by using the contents of the present invention's specification and drawings should be included in the patent scope of the present invention and should be stated.
綜上所述,本發明自行車用之光電反射式速度感測器及其測速方法於實際應用時,為確實能達到其功效及目的,故本發明誠為一實用性優異之研發,為符合發明專利之申請要件,爰依法提出申請,盼審委早日賜准本案,以保障發明人之辛苦研發、創設,倘若 鈞局審委有任何稽疑,請不吝來函指示,發明人定當竭力配合,實感德便。 In summary, the photoelectric reflection speed sensor and speed measurement method for bicycles of this invention can achieve its effect and purpose in actual application. Therefore, this invention is a research and development with excellent practicality. In order to meet the application requirements of invention patents, an application is filed in accordance with the law. I hope that the review committee will approve this case as soon as possible to protect the inventor's hard work and creation. If the review committee of the Jun Bureau has any doubts, please feel free to write to give instructions. The inventor will do his best to cooperate and will be grateful for the convenience.
1:光源發射模組 1: Light source emission module
11:第一光源發射裝置 11: First light source emitting device
12:第二光源發射裝置 12: Second light source emitting device
2:車軸反射面板 2: Axle reflective panel
21:低反射面 21: Low reflective surface
22:反射部 22: Reflection part
3:光線感測模組 3: Light sensing module
31:第一光線感測器 31: First light sensor
32:第二光線感測器 32: Second light sensor
4:處理器 4: Processor
5:顯示設備 5: Display device
51:顯示部 51: Display unit
6:低反射外殼 6: Low reflective housing
A1:預設車輛 A1: Default vehicle
A11:腳踏板軸心 A11: Pedal axle
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US11014626B2 (en) * | 2016-12-28 | 2021-05-25 | Yamaha Hatsudoki Kabushiki Kaisha | Electric assist system and electric assist vehicle |
TW202202401A (en) * | 2020-06-30 | 2022-01-16 | 美商速聯有限責任公司 | Speed sensing devices and systems for a bicycle |
TW202235320A (en) * | 2021-03-08 | 2022-09-16 | 美商速聯有限責任公司 | Speed sensing devices and systems for a bicycle |
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Publication number | Priority date | Publication date | Assignee | Title |
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US9842503B2 (en) * | 2014-07-28 | 2017-12-12 | Mitsubishi Electric Corporation | Driving support apparatus and driving support method |
US11014626B2 (en) * | 2016-12-28 | 2021-05-25 | Yamaha Hatsudoki Kabushiki Kaisha | Electric assist system and electric assist vehicle |
TW202202401A (en) * | 2020-06-30 | 2022-01-16 | 美商速聯有限責任公司 | Speed sensing devices and systems for a bicycle |
TW202235320A (en) * | 2021-03-08 | 2022-09-16 | 美商速聯有限責任公司 | Speed sensing devices and systems for a bicycle |
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