JPH0320669A - Speed display apparatus for bicycle - Google Patents
Speed display apparatus for bicycleInfo
- Publication number
- JPH0320669A JPH0320669A JP1127374A JP12737489A JPH0320669A JP H0320669 A JPH0320669 A JP H0320669A JP 1127374 A JP1127374 A JP 1127374A JP 12737489 A JP12737489 A JP 12737489A JP H0320669 A JPH0320669 A JP H0320669A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- bicycle
- wheel
- main body
- transmission
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims abstract description 19
- 230000005540 biological transmission Effects 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 2
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 abstract 1
- 235000014676 Phragmites communis Nutrition 0.000 description 8
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J45/00—Electrical equipment arrangements specially adapted for use as accessories on cycles, not otherwise provided for
- B62J45/40—Sensor arrangements; Mounting thereof
- B62J45/41—Sensor arrangements; Mounting thereof characterised by the type of sensor
- B62J45/412—Speed sensors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J45/00—Electrical equipment arrangements specially adapted for use as accessories on cycles, not otherwise provided for
- B62J45/40—Sensor arrangements; Mounting thereof
- B62J45/42—Sensor arrangements; Mounting thereof characterised by mounting
- B62J45/423—Sensor arrangements; Mounting thereof characterised by mounting on or besides the wheel
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、自転車の車輪回転数を検知して走行速度を演
算しこれを表示する自転車用速度表示装置ｆこ関する■
〔従来の技術〕
従来、この種速度ス゛示装置ｆこあつては、車輪の回転
数を検知する手段として、マグネ・ントとリードスイッ
チとの組合せ，マグネットとホールＩＣとの組合せ，ホ
トインタラプタ等が用いられ、例えばマグネットとリー
ドスイッチとの組合せの場合、車輪のスポークｆこマグ
ネットを取付けると共ｆこ、車輪を支持するフレームの
ホークにリードスイッチを取付け、マグネットをリード
ス・ｆソチにより検知して車輪回転数信号を得るようｆ
こしている。[Detailed Description of the Invention] [Industrial Field of Application] The present invention relates to a speed display device for a bicycle that detects the number of rotations of the wheels of a bicycle, calculates the running speed, and displays it. [Prior Art] Conventionally, in this type of speed indicator f, a combination of a magnet and a reed switch, a combination of a magnet and a Hall IC, a photointerrupter, etc. have been used as a means for detecting the rotational speed of a wheel. In the case of a combination of a magnet and a reed switch, the magnet is attached to the spokes of the wheel, and the reed switch is also attached to the fork of the frame that supports the wheel.The magnet is detected by the reed switch and the wheel rotation speed signal is generated. to obtain f
It's straining.
更に、この信号はハンドルバー等に取付けられた本体ケ
ース１こリード線を介して伝達され、本体ケース内にお
いて、入力された車輪回転数信号により走行速度を演算
し、これを．表示器ｌζて表示するようになっている。Furthermore, this signal is transmitted via a lead wire to the main body case attached to the handlebar, etc., and within the main body case, the running speed is calculated based on the input wheel rotation speed signal. The display device lζ is designed to display the following information.
従来の自転車用速度表示装置にあっては、車輪回転数の
検知部とハンドルバーの本体ケースとをリード線により
接続する構成であるため、ハンドル操作によってリード
線に屈曲部が生じ、この屈曲部で断線しやすくなる欠点
があり、しかも、装置の取付けに際しては、リード線の
配線に手間を要する難点がある。In conventional bicycle speed display devices, the wheel rotation speed detection unit and the main body case of the handlebar are connected by a lead wire, so when the handlebar is operated, a bend occurs in the lead wire, and this bend There is a disadvantage that the wires are easily broken, and furthermore, when installing the device, wiring of the lead wires requires time and effort.
本発明は、このような事情に鑑みなされたものであり、
その目的とするところは、車輪回転数の検知信号をリー
ド線を用いることなく本体ケースに伝達できるワイヤレ
ス方式の自転車用速度表示装置を提供しようとするもの
である。The present invention was made in view of these circumstances,
The object is to provide a wireless bicycle speed display device that can transmit a wheel rotation speed detection signal to the main body case without using a lead wire.
前記目的を達成するた・めに、本発明の自転車用速度表
示装置においては、自転車の車輪を支持したフレームｆ
こ、この車輪に取付けられたマグネットを検知する磁気
検知手段と，この検知手段の検知信号をワイヤレス送信
する送信部とを設け、前記自転車のハンドルバー等の運
転者前方位置に取付けられた本体ケースに、前記送信部
からの信号を受信する受信部と，この受信信号により走
行速度を算出する演算部と，前記走行速度を表示する表
示器とを設けたことを特徴とするものである。In order to achieve the above object, in the bicycle speed display device of the present invention, a frame f supporting the wheels of the bicycle is provided.
This main body case is provided with a magnetic detection means for detecting a magnet attached to the wheel and a transmitter for wirelessly transmitting a detection signal of the detection means, and is attached to a position in front of the rider such as the handlebar of the bicycle. The vehicle is characterized in that it includes a receiving section that receives the signal from the transmitting section, a calculation section that calculates the traveling speed based on the received signal, and a display that displays the traveling speed.
〔作用〕
前述した構成の自転車用速度表示装置Ｅこあっては、車
輪の回転とともに移動するマグネノトが磁気検知手段に
よって検知されると、この検知信号が送信部よりワイヤ
レス送信される。[Function] In the bicycle speed display device E having the above-described structure, when the magnetograph moving with the rotation of the wheel is detected by the magnetic detection means, this detection signal is wirelessly transmitted from the transmitter.
一方、本体ケースでは、゜受信部ｌこおいて前記送信部
からの検知信号を受信すると、この信号『こより演算部
において走行速度が算出され、更ｆこ表示器１こ走行速
度が表示される。On the other hand, in the case of the main body, when the receiving section receives the detection signal from the transmitting section, the traveling speed is calculated in the calculating section from this signal, and the traveling speed is displayed on the display. .
ｌ実施例ｔこつき、図面を用いて説明する。 1 Example t The details will be explained using the drawings.
第１図及び第２図に示すように、自転車（１）の前輪（
２）のスポーク（３）ｔこマグネノト（４）を保持した
マグネットホルダ（５）が取付けられ、この前輪（２）
を支持しｔコフレーム（６）の前ホーク部（７） ｔこ
マグネント（４）の移動軌跡の位置に対向してセンサケ
ース（８）が取付金具（９）により取付けられている。As shown in Figures 1 and 2, the front wheel (
A magnet holder (5) holding the spoke (3) of the front wheel (2) and the magnet (4) is attached to the front wheel (2).
A sensor case (8) is mounted by a mounting bracket (9) opposite the position of the movement locus of the magnet (4).
このセンサケース（８）内ｆこは、マグネット（４）を
検知するリードスイッチαＱ，このリードスイソチ００
の検知信号を送信処理する送信回路部ａＤ，送信回路部
αυからの送信信号をワイヤレス送信，する送信アンテ
ナ○及び送信用電池ａ東が設けられている。Inside this sensor case (8) is a reed switch αQ that detects the magnet (4), and this reed switch 00
A transmitting circuit section aD that transmits and processes the detection signal of , a transmitting antenna ○ that wirelessly transmits the transmitting signal from the transmitting circuit section αυ, and a transmitting battery a east are provided.
前記送信処理部αυは、第３図に示すよう｛こ、リード
スイノチ００からの検知信号を波形整形する波形整形回
路Ｑ４）と、この波形整形された信号を変調する発振回
路０９と、この変調信号を増幅する増幅器ｑＯとからな
り、この出力信号により送信アンテナαａが駆動される
。As shown in FIG. 3, the transmission processing unit αυ includes a waveform shaping circuit Q4 that shapes the waveform of the detection signal from the lead switch 00, an oscillation circuit 09 that modulates the waveform-shaped signal, and a waveform shaping circuit Q4 that modulates the waveform-shaped signal, and This output signal drives the transmitting antenna αa.
一方、フレーム（６〉の前部上側１こ支持されたハンド
ルバーＯ力には、支持具０８）を介して本体ケースａ０
が取付けられている。On the other hand, the main body case a0 is connected to the handlebar O which is supported by the front upper part of the frame (6>) via the support 08.
is installed.
この本体ケースα９｛こは、前記センサケース（８）か
らの送信信号を受信する受信アンテナ■と、この受信信
号を復調処理する受信回路部及び走行速度を演算する演
算部を組込んｒご基板ｅ２１）と、この基板Ｑ１）上に
取付けられたＬＣＤ表示器翰と、本体用電池＠とが設け
られている。This main body case α9 {this is a board that incorporates a receiving antenna ■ that receives the transmission signal from the sensor case (8), a receiving circuit section that demodulates this received signal, and a calculation section that calculates the running speed. e21), an LCD display screen mounted on this board Q1), and a main body battery @.
前記受信回路部は、第４図｛こ示すように、受信信号を
増幅する増幅器弼と、増幅された受信信号を復調する検
波回路＠とからなり、又、演算部としてはマイコン（マ
イクロコンピュータ）（ホ）が用いられる。As shown in Figure 4, the receiving circuit section consists of an amplifier for amplifying the received signal and a detection circuit for demodulating the amplified received signal, and a microcomputer as the arithmetic section. (e) is used.
従って、自転車（１）を走行すると、前輪（２）のマグ
ネント（４）がセンサケース（８）のリードスイッチ０
０により検知され、この検知信号が送信回路部ＣＩ．１
）を介して送信アンテナ０より送信される。Therefore, when the bicycle (1) is running, the magnet (4) of the front wheel (2) is connected to the reed switch 0 of the sensor case (8).
0, and this detection signal is sent to the transmitting circuit section CI. 1
) from transmitting antenna 0.
そして、本体ケース０９［こおいて、この送信信号が受
信アンテナ翰で受信されると、この受信信号よ・り車輪
回転数信号が復調された後、マイコン＠に入力されて走
行速度が算出され、これが表示器＠にて表示される。Then, when this transmitted signal is received by the receiving antenna in the main body case 09, the wheel rotation speed signal is demodulated from this received signal and then input to the microcomputer to calculate the traveling speed. , this is displayed on the display @.
ここで、第５図ｆこ示すようｆこ２台以上の自転車（１
）を並行運転した場合、それぞれの送信アンテナ０から
の送信信号が自転車（】）相互間で混信することがある
。Here, as shown in Figure 5, two or more bicycles (one
) are operated in parallel, the transmission signals from each transmitting antenna 0 may cause interference between the bicycles ( ).
そこで、同図に見られるように、送信アンテナａカの送
信方向と受信アンテナ翰の受信方向とをできるだけ同一
直線上に配置するようにして両アンテナα２，（４）相
互間の指向性を高めることにより、他自転車との混信ｆ
こよるトラブルを解消できる。Therefore, as shown in the figure, the transmitting direction of the transmitting antenna a and the receiving direction of the receiving antenna are arranged on the same straight line as much as possible to increase the directivity between both antennas α2, (4). This may cause interference with other bicycles.
You can solve problems that arise.
本発明は、以上説明したようｔこ構成されている４ ため、次Ｅこ記載する効果を奏する。 The present invention is configured as described above. Therefore, the following effects are achieved.
車輪回転数の検知信号をフレームに設けた送信部よりワ
イヤレス送信し、これを本体ケースで受信して走行速度
を演算，表示するよう｛こしたため、従来のようなリー
ド線を配線する必要がなく、装置の取付けが簡単になる
上，全体がすっきりしたものになり、しかもリード線の
断線によるトラブルも解消できるので、信頼性が高まる
効果が得られるものである。The detection signal of the wheel rotation speed is wirelessly transmitted from the transmission unit installed in the frame, and this is received by the main body case to calculate and display the running speed. This simplifies the installation of the device, makes the whole device neat and tidy, and eliminates troubles caused by lead wire breakage, resulting in improved reliability.
図面は本発明による自転車用速度表示装置の｛実施例を
示し、第ｌ図は要部の一部切断側面図、第２図は自転車
の全体斜視図、第３図及び第４図はそれぞれ送信部及び
受信部のブロソク図、第５図は使用状態の一例を示す自
転車の正面図である。
（１）・・・自転車、（２）・・・前輪、（４）・・・
マグネノト、（６）・・・フレーム、００・・・リード
スイッチ、ｑ刀・・・送信回路部、０・送信アンテナ、
α力・・・ハンドルバー、０９・・・本体ケース、翰・
・・受信アンテナ、＠・・・表示器、（ハ）・・・増幅
器、翰・・・検波回路、（４）・・・マイコン。
第
２
図
本必ケ一入】９The drawings show an embodiment of the bicycle speed display device according to the present invention, in which Fig. 1 is a partially cutaway side view of the main parts, Fig. 2 is an overall perspective view of the bicycle, and Figs. 3 and 4 are transmission diagrams, respectively. FIG. 5 is a front view of the bicycle showing an example of a usage state. (1)...Bicycle, (2)...Front wheel, (4)...
Magnenote, (6)...Frame, 00...Reed switch, Q sword...Transmission circuit section, 0.Transmission antenna,
α force...Handlebar, 09...Body case, wire
...Receiving antenna, @...Display device, (c)...Amplifier, Han...Detection circuit, (4)...Microcomputer. Part 2: Must-have book] 9
Claims (1)
取付けられたマグネットを検知する磁気検知手段と、該
検知手段の検知信号をワイヤレス送信する送信部とを設
け、前記自転車のハンドルバー等の運転者前方位置に取
付けられた本体ケースに、前記送信部からの信号を受信
する受信部と、該受信部の受信信号により走行速度を算
出する演算部と、前記走行速度を表示する表示器とを設
けたことを特徴とする自転車用速度表示装置。(1) A frame supporting a bicycle wheel is provided with a magnetic detection means for detecting a magnet attached to the wheel, and a transmitter for wirelessly transmitting a detection signal of the detection means, and A receiving section that receives the signal from the transmitting section, a calculation section that calculates the traveling speed based on the signal received by the receiving section, and a display that displays the traveling speed, mounted on the main body case installed in a position in front of the driver. A bicycle speed display device characterized by being provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1127374A JPH0320669A (en) | 1989-05-20 | 1989-05-20 | Speed display apparatus for bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1127374A JPH0320669A (en) | 1989-05-20 | 1989-05-20 | Speed display apparatus for bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0320669A true JPH0320669A (en) | 1991-01-29 |
Family
ID=14958404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1127374A Pending JPH0320669A (en) | 1989-05-20 | 1989-05-20 | Speed display apparatus for bicycle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0320669A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03154871A (en) * | 1989-11-13 | 1991-07-02 | Nippon Seimitsu Sokki Kk | Speedometer for bicycle |
| JPH04160500A (en) * | 1990-10-25 | 1992-06-03 | Orleander Sa | Radio monitor device for wheel of bicycle |
| EP0856459A3 (en) * | 1997-01-31 | 1999-12-15 | Shimano Inc. | Display apparatus for a bicycle |
| FR2816277A1 (en) * | 2000-11-03 | 2002-05-10 | Mavic Sa | Axle for rapid locking of a bicycle comprises a sensor interacting with an element to detect movement of the element and an operating switch and a transmitter shaping and transmitting the resulting signal in the direction of a receiver |
| JP2007211368A (en) * | 2006-02-09 | 2007-08-23 | Anzai Keitoku | Cricula supporter |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6235262B2 (en) * | 1980-06-24 | 1987-07-31 | Nippon Electron Optics Lab | |
| JPH0289361A (en) * | 1988-09-27 | 1990-03-29 | Nec Corp | Dynamic memory cell |
-
1989
- 1989-05-20 JP JP1127374A patent/JPH0320669A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6235262B2 (en) * | 1980-06-24 | 1987-07-31 | Nippon Electron Optics Lab | |
| JPH0289361A (en) * | 1988-09-27 | 1990-03-29 | Nec Corp | Dynamic memory cell |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03154871A (en) * | 1989-11-13 | 1991-07-02 | Nippon Seimitsu Sokki Kk | Speedometer for bicycle |
| JPH04160500A (en) * | 1990-10-25 | 1992-06-03 | Orleander Sa | Radio monitor device for wheel of bicycle |
| EP0856459A3 (en) * | 1997-01-31 | 1999-12-15 | Shimano Inc. | Display apparatus for a bicycle |
| CN1127420C (en) * | 1997-01-31 | 2003-11-12 | 株式会社岛野 | Clamp for fixing display for bicycle |
| FR2816277A1 (en) * | 2000-11-03 | 2002-05-10 | Mavic Sa | Axle for rapid locking of a bicycle comprises a sensor interacting with an element to detect movement of the element and an operating switch and a transmitter shaping and transmitting the resulting signal in the direction of a receiver |
| JP2007211368A (en) * | 2006-02-09 | 2007-08-23 | Anzai Keitoku | Cricula supporter |
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