JPH02276402A - Small-sized electric car - Google Patents
Small-sized electric carInfo
- Publication number
- JPH02276402A JPH02276402A JP1095872A JP9587289A JPH02276402A JP H02276402 A JPH02276402 A JP H02276402A JP 1095872 A JP1095872 A JP 1095872A JP 9587289 A JP9587289 A JP 9587289A JP H02276402 A JPH02276402 A JP H02276402A
- Authority
- JP
- Japan
- Prior art keywords
- speed
- distance
- obstacle
- car
- detected
- 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
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000013459 approach Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Landscapes
- Electric Propulsion And Braking For Vehicles (AREA)
- Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
- Automatic Cycles, And Cycles In General (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は歩行不自由者や高齢者等に対する電動式車椅子
として、又、ゴルフカートや運搬車等として使用される
小型電動車に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a small electric vehicle used as an electric wheelchair for people with walking disabilities, the elderly, etc., or as a golf cart, transport vehicle, etc.
前述のような小型電動車においては、障害物に衝突した
ような際の安全確保、並びに損傷防止の為に、機体前部
にバンパーを取り付けているのが一般的である。In small electric vehicles such as those mentioned above, a bumper is generally attached to the front of the vehicle to ensure safety and prevent damage in the event of a collision with an obstacle.
前述のような小型電動車においては運転未熟練者が乗る
場合が多い為に、狭い所や坂道等において障害物に誤っ
て衝突してしまうようなおそれがある。このような場合
、高速で障害物に衝突したりすると運転者にとって危険
な場合が生ずるの改良の余地があった。Since small electric vehicles such as those described above are often ridden by unskilled drivers, there is a risk that they may accidentally collide with obstacles in narrow spaces or on slopes. In such a case, if the vehicle collides with an obstacle at high speed, it may be dangerous for the driver, so there is room for improvement.
ここで本発明は前述のような小型電動車の安全性向上を
図ることを目的としている。Here, the present invention aims to improve the safety of the above-mentioned small electric vehicle.
本発明の特徴は以上のような小型電動車において、機体
から前方の障害物までの距離を検出する非接触式の距離
センサーと、前記検出距離が設定以下になると走行用の
変速装置を所定の低速状態に減速操作する制御手段を備
えていることにあり、その作用及び効果は次のとおりで
ある。The features of the present invention include a non-contact distance sensor that detects the distance from the body of the vehicle to an obstacle in front of the vehicle, and a system that changes the transmission to a predetermined value when the detected distance falls below a set value. The present invention is provided with a control means for decelerating the vehicle to a low speed state, and its functions and effects are as follows.
前述のように構成すると、障害物に衝突するような危険
な距離にまで近付くと自動減速されて、衝突までにある
程度の時間的余裕を持つことができる。従って、この間
において旋回操作や制動操作を行って衝突を避けること
ができるのである。With the above configuration, when the vehicle approaches an obstacle at a dangerous distance, the vehicle is automatically decelerated, allowing a certain amount of time before the collision occurs. Therefore, during this time, it is possible to avoid a collision by performing a turning operation or a braking operation.
そして自動減速後に例え衝突したとしても、その衝突時
の速度は低いものである為に、運転者に対する衝撃も小
さいものとなる。又、障害物に近付いた場合に自動停止
するのではなく低速走行をするので、曲り角の多い狭い
路地等でも頻繁に停止するような不都合なしに走行でき
る。Even if a collision occurs after automatic deceleration, the impact on the driver will be small because the speed at the time of the collision is low. Furthermore, since the vehicle does not automatically stop when it approaches an obstacle but instead travels at low speed, it can run on narrow alleys with many turns without the inconvenience of frequent stops.
以上のように衝突を回避できるように、又、衝突しても
その衝突を小さくすることができるようになって安全性
の向上を図ることができた。As described above, it has become possible to avoid collisions and to reduce the size of collisions, thereby improving safety.
そして、曲り角の多い狭い路地等で頻繁に停止すると言
うようなことがないので、走行性能の低下を伴うもので
はない。Furthermore, since the vehicle does not have to stop frequently on narrow streets with many turns, there is no deterioration in driving performance.
そして、道の略中央を走行しているときに対向車が来た
ような場合、機体は自動減速するので、比較的余裕を持
って機体を道の片側に寄せることかできるので、衝突す
ることなく対向車とすれ違うことができるのである。If an oncoming vehicle approaches while driving approximately in the center of the road, the aircraft will automatically decelerate, allowing you to move the aircraft to one side of the road with relative leeway to avoid a collision. This allows you to pass oncoming cars without any problems.
以下、本発明の実施例を歩行不自由者及び高齢者を対象
とした3輪型電動車による図面に基づいて説明する。Hereinafter, embodiments of the present invention will be described based on drawings of a three-wheeled electric vehicle intended for people with walking disabilities and elderly people.
第3図に示すように、金属製のパイプフレームに樹脂製
のカバーを取り付けてなる機体(1)に、1組の前輪(
2)、左右一対の後輪(3)及び座席(4)が備えられ
て3輪型電動車が構成されている。As shown in Figure 3, the fuselage (1) is made up of a metal pipe frame with a resin cover attached, and a set of front wheels (
2) A three-wheeled electric vehicle is provided with a pair of left and right rear wheels (3) and a seat (4).
そして、第3図に示すように後輪(3)に対しては走行
用のミッション(5)及び変速装置(6)としての駆動
モータが備えられると共に、座席(4)の下に駆動モー
タ(6)用の電源としてのバッテリー(7)が備えられ
ている。これに対して、前輪(2)操向用のハンドル(
8)にはアクセルレバ−(9)と前後進切換スイッチ(
10)が設けられている。そして、アクセルレバ−(9
)の操作角度に基づき、PWM制御によるパルス駆動電
圧により駆動モータ(6)の回転制御を行って無段変速
操作を行なうのである。As shown in FIG. 3, the rear wheels (3) are equipped with a transmission (5) for driving and a drive motor as a transmission (6), and the drive motor (4) is installed under the seat (4). 6) is provided with a battery (7) as a power source. On the other hand, the front wheel (2) steering handle (
8) has an accelerator lever (9) and a forward/reverse selector switch (
10) is provided. Then, press the accelerator lever (9
), the rotation of the drive motor (6) is controlled by a pulse drive voltage under PWM control, thereby performing a continuously variable speed operation.
次に、機体(1)の前部に設けられている距離センサー
(11)としての超音波センサーについて詳述する。第
2図及び第3図に示すように金属製のフレーム(12)
に導電ゴム製のバンパー(13)が取り付けられられて
いる。そして、バンパー(13)の前部に左右一対の開
孔(13a)が設けられると共に、この開孔(13a)
内の各々に超音波センサー(11)が取り付けられてお
り、これらが機体(1)の前部に取り付けられている。Next, the ultrasonic sensor as the distance sensor (11) provided at the front of the aircraft body (1) will be described in detail. Metal frame (12) as shown in Figures 2 and 3
A conductive rubber bumper (13) is attached to the. A pair of left and right openings (13a) are provided in the front part of the bumper (13), and the openings (13a)
An ultrasonic sensor (11) is attached to each of the aircraft, and these are attached to the front part of the fuselage (1).
次に、この3輪型電動車が障害物に接近した場合の制御
について詳述すると、第1図に示すように、例えば6k
m/hで走行中において前方に障害物が在ったとする。Next, we will explain in detail the control when this three-wheeled electric vehicle approaches an obstacle.
Assume that there is an obstacle in front of the vehicle while the vehicle is traveling at m/h.
そして、超音波センサ=(11)によって検出される障
害物までの距離が例えば1.5mになると、駆動モータ
(6)が減速操作されて走行速度が0.5km/hにま
で落とされるのであり、この時点で障害物に約0.7m
に接近する。従って、この間において運転者は旋回操作
を行ったり、制動操作を行ったりして回避するのである
。When the distance to the obstacle detected by the ultrasonic sensor (11) becomes, for example, 1.5 m, the drive motor (6) is decelerated and the traveling speed is reduced to 0.5 km/h. , at this point the obstacle is about 0.7m away.
approach. Therefore, during this time, the driver performs a turning operation or a braking operation to avoid the accident.
そして、0.5m/hに減速された後この速度で走行を
続けるのであるが、衝突の回避が間に合わずにバンパー
(13)が障害物に接触して、これが検出されると、駆
動モータ(6)が停止操作されるのである。つまり、バ
ンパー(13)が障害物に衝突して変形するとバンパー
(13)の電気抵抗が変化するので、これを検出して駆
動モータ(6)の停止操作を行なうのである。The vehicle continues to travel at this speed after being decelerated to 0.5 m/h, but the bumper (13) comes into contact with an obstacle before it can avoid the collision in time, and when this is detected, the drive motor ( 6) is operated to stop. In other words, when the bumper (13) collides with an obstacle and deforms, the electrical resistance of the bumper (13) changes, and this is detected to stop the drive motor (6).
又、この3輪型電動車においては第3図に示すように各
種のオプションがある。つまり、座席(4)を肘当て(
14a)の形状の異なる座席(14)や、方向指示ラン
プ(15a)を備えた座席(15)に交換したり、ハン
ドルポストカバー(16)を取り付けたり、又は、回転
灯(17)を取り付けたりして各種のオプションを組み
合わせた3輪型電動車を提供できるのである。Furthermore, this three-wheeled electric vehicle has various options as shown in FIG. In other words, the seat (4) is
14a) with a seat (14) of a different shape, a seat (15) with a direction indicator lamp (15a), a handle post cover (16), or a revolving light (17). This makes it possible to provide a three-wheeled electric vehicle that combines various options.
距離センサー(11)としては超音波式以外に赤外線式
や光学式のセンサーを用いてもよい。As the distance sensor (11), in addition to the ultrasonic type, an infrared type or optical type sensor may be used.
尚、特許請求の範囲の項に図面との対照を便利にする為
に符号を記すが、該記入により本発明は添付図面の構造
に限定されるものではない。Incidentally, although reference numerals are written in the claims section for convenient comparison with the drawings, the present invention is not limited to the structure shown in the accompanying drawings.
図面は本発明に係る小型電動車の実施例を示し、第1図
は超音波センサーにより検出される障害物までの距離と
走行速度との関係を示す図、第2図はバンパー及び超音
波センサー付近の横断面図、第3図は小型電動車の全体
斜視図である。The drawings show an embodiment of a small electric vehicle according to the present invention, and FIG. 1 is a diagram showing the relationship between the distance to an obstacle detected by an ultrasonic sensor and the traveling speed, and FIG. 2 is a diagram showing a bumper and an ultrasonic sensor. A cross-sectional view of the vicinity, and FIG. 3 is an overall perspective view of the small electric vehicle.
Claims (1)
距離センサー(11)と、前記検出距離が設定以下にな
ると走行用の変速装置(6)を所定の低速状態に減速操
作する制御手段とを備えた小型電動車。A non-contact distance sensor (11) that detects the distance from the aircraft to an obstacle in front, and a control means that decelerates the driving transmission (6) to a predetermined low speed state when the detected distance falls below a setting. A small electric vehicle equipped with
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1095872A JPH02276402A (en) | 1989-04-15 | 1989-04-15 | Small-sized electric car |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1095872A JPH02276402A (en) | 1989-04-15 | 1989-04-15 | Small-sized electric car |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH02276402A true JPH02276402A (en) | 1990-11-13 |
Family
ID=14149443
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1095872A Pending JPH02276402A (en) | 1989-04-15 | 1989-04-15 | Small-sized electric car |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH02276402A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0622939A (en) * | 1992-03-06 | 1994-02-01 | A & D Co Ltd | Stature measuring device |
JP2003334218A (en) * | 2002-05-22 | 2003-11-25 | Matsushita Electric Ind Co Ltd | Electromotive wheelchair |
JP2004344435A (en) * | 2003-05-22 | 2004-12-09 | Japan Science & Technology Agency | Power assist type moving carrier |
JP2015040008A (en) * | 2013-08-23 | 2015-03-02 | 富士重工業株式会社 | Collision detection device, and collision detection method |
JP2016013213A (en) * | 2014-07-01 | 2016-01-28 | 株式会社豊田自動織機 | Electric vehicle |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6024102B2 (en) * | 1975-01-22 | 1985-06-11 | 旭化成株式会社 | Method for producing 5-fluorouracil derivatives |
-
1989
- 1989-04-15 JP JP1095872A patent/JPH02276402A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6024102B2 (en) * | 1975-01-22 | 1985-06-11 | 旭化成株式会社 | Method for producing 5-fluorouracil derivatives |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0622939A (en) * | 1992-03-06 | 1994-02-01 | A & D Co Ltd | Stature measuring device |
JP2003334218A (en) * | 2002-05-22 | 2003-11-25 | Matsushita Electric Ind Co Ltd | Electromotive wheelchair |
JP2004344435A (en) * | 2003-05-22 | 2004-12-09 | Japan Science & Technology Agency | Power assist type moving carrier |
JP2015040008A (en) * | 2013-08-23 | 2015-03-02 | 富士重工業株式会社 | Collision detection device, and collision detection method |
JP2016013213A (en) * | 2014-07-01 | 2016-01-28 | 株式会社豊田自動織機 | Electric vehicle |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4486891B2 (en) | Method for steering a vehicle to be parked backwards in a parking gap | |
US8751128B2 (en) | Driving assistance device | |
KR102086447B1 (en) | Automatic driving system and automatic deceleration control apparatus | |
JPH0496603A (en) | Anti-collision system for motor car | |
EP3670298B1 (en) | Vehicle | |
JPH09240502A (en) | Vehicular steering apparatus | |
JP2007125997A (en) | Vehicular intelligent brake assist system | |
CN110654460A (en) | Method and system for actively controlling vehicle turning | |
JPH02276402A (en) | Small-sized electric car | |
CN202413786U (en) | Intelligent electric scooter | |
JP2003006796A (en) | Vehicle driving support device | |
CN219428107U (en) | Vehicle active collision avoidance system in multi-vehicle traffic environment | |
JP2990657B2 (en) | Passage device for traveling vehicles | |
JP2000102116A (en) | Compact electric vehicle | |
CN210733861U (en) | Safety brake device of unmanned scooter | |
EP4072930B1 (en) | Electric vehicle | |
CN216761717U (en) | Automatic emergency braking system of passenger car | |
CN213920837U (en) | Intelligent vehicle auxiliary system that trades way | |
CN210234796U (en) | Auxiliary steering system capable of automatically opening and closing steering lamp | |
JP2017109557A (en) | Cruise control device for vehicle | |
JP3317488B2 (en) | Safety device for order picking vehicles | |
JPS5848206Y2 (en) | Vehicle left turn accident prevention device | |
JPH0389802A (en) | Drive controller for small electric car | |
JPH053965A (en) | Motor-driven automobile for amusement | |
JP3107685U (en) | A device that eliminates the difference between inner wheels when driving a front-wheel drive vehicle |