JPH01147819U - - Google Patents
Info
- Publication number
- JPH01147819U JPH01147819U JP1988044130U JP4413088U JPH01147819U JP H01147819 U JPH01147819 U JP H01147819U JP 1988044130 U JP1988044130 U JP 1988044130U JP 4413088 U JP4413088 U JP 4413088U JP H01147819 U JPH01147819 U JP H01147819U
- Authority
- JP
- Japan
- Prior art keywords
- speed
- range
- resistor
- grounded
- select switch
- 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.)
- Granted
Links
- 230000007935 neutral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Description
第１図は本考案の一実施例の速度切替方式を示
す図、第２図は本考案の一実施例の車速表示方式
を示す図、第３図は従来の車速切替方式を示す図
、第４図は従来の三車速切替回路の一例を示す図
、第５図は従来の三車速切替回路の他の例を示す
図、第６図は従来の二速車速表示を示す図、第７
図は従来の三速車速表示を示す図である。
１…速度制御ボリウム、２…スピードセレクト
スイツチ、３…コンパレータ、４…基準三角波発
振器、５，９…トランジスタ、６…モータ（Ｍ）
、１０，１１…ダイオード、１２〜１５…ＬＥＤ
、１６，１７…車速表示灯。
FIG. 1 is a diagram showing a speed switching system according to an embodiment of the present invention, FIG. 2 is a diagram showing a vehicle speed display system according to an embodiment of the invention, and FIG. 3 is a diagram showing a conventional vehicle speed switching system. 4 is a diagram showing an example of a conventional three-vehicle speed switching circuit, FIG. 5 is a diagram showing another example of a conventional three-vehicle speed switching circuit, FIG. 6 is a diagram showing a conventional two-speed vehicle speed display, and FIG.
The figure shows a conventional third speed vehicle speed display. 1...Speed control volume, 2...Speed select switch, 3...Comparator, 4...Reference triangular wave oscillator, 5, 9...Transistor, 6...Motor (M)
, 10, 11...Diode, 12-15...LED
, 16, 17...Vehicle speed indicator light.
Claims (1)
によつて速度制御う行う電動車椅子において、 速度制御ボリウム１の可変出力電圧に接続され
た直列抵抗ｒ１と該抵抗ｒ１の出力端に直列に接
続された抵抗ｒ２′，ｒ２″とからなる分圧回路
と、 該分圧回路の抵抗ｒ２″の下端を接地するトラ
ンジスタ９と“Ｈ”レンジのとき該トランジスタ
９のベースを接地し、“Ｍ”レンジのとき無接続
となり、“Ｌ”レンジのとき分圧回路の抵抗ｒ２
′の下端を接地する中立付き３ポジシヨントグル
スイツチからなるスピードセレクトスイツチ２と
を具えて、順次配列された該スピードセレクトス
イツチ２の操作位置に対応して順次最高電圧値が
変化する三段階の速度制御用信号を前記直列抵抗
ｒ１の出力端に発生するとともに、 スピードセレクトスイツチ２が“Ｈ”レンジの
とき接地されて電源から通電して点灯する高速用
車速表示灯１６と、 スピードセレクトスイツチ２が“Ｌ”レンジの
とき接地されて電源から通電して点灯する低速用
車速表示灯１７と、 を具えて、スピードセレクトスイツチ２が“Ｍ
”レンジのとき無点灯になることによつて３段階
の車速表示を行うことを特徴とする電動車椅子の
速度切替表示方式。[Claims for Utility Model Registration] In an electric wheelchair whose speed is controlled by driving a motor 6 in accordance with a speed control signal, a series resistor r1 connected to a variable output voltage of a speed control volume 1 and the resistor are provided. When in the "H " range, there is a voltage divider circuit consisting of resistors r2 ' and r2 '' connected in series to the output terminal of r1, and a transistor 9 that grounds the lower end of the resistor r2 '' of the voltage divider circuit. The base of the transistor 9 is grounded, and when it is in the "M" range, it is disconnected, and when it is in the "L" range, the resistor r 2 of the voltage dividing circuit is connected.
' A speed select switch 2 consisting of a three-position toggle switch with a neutral whose lower end is grounded, and a three-stage maximum voltage value that changes sequentially in accordance with the operating position of the speed select switch 2 arranged in sequence. A high speed vehicle speed indicator lamp 16 which generates a speed control signal at the output terminal of the series resistor r1 and which is grounded and lights up when powered from the power source when the speed select switch 2 is in the "H"range; 2 is in the "L" range, a low speed vehicle speed indicator light 17 is connected to the ground and is energized from the power source to turn on.
``A speed switching display method for an electric wheelchair characterized by displaying vehicle speed in three stages by turning off the light when in the range mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988044130U JPH061138Y2 (en) | 1988-03-31 | 1988-03-31 | Electric wheelchair speed switching display method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988044130U JPH061138Y2 (en) | 1988-03-31 | 1988-03-31 | Electric wheelchair speed switching display method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01147819U true JPH01147819U (en) | 1989-10-12 |
| JPH061138Y2 JPH061138Y2 (en) | 1994-01-12 |
Family
ID=31270505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988044130U Expired - Lifetime JPH061138Y2 (en) | 1988-03-31 | 1988-03-31 | Electric wheelchair speed switching display method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH061138Y2 (en) |
-
1988
- 1988-03-31 JP JP1988044130U patent/JPH061138Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH061138Y2 (en) | 1994-01-12 |
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