JP2003212170A - Safety device of bicycle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To assure a forward safety even if a headlamp fails to be lit by eliminating the shortage of a power from a solar battery. <P>SOLUTION: The shortage of the power for illuminating LEDs 7, 7a, 8, 8a, and 9 is eliminated by allowing the electromotive force of a dynamo to be charged into the solar battery 5. Also the forward safety of a bicycle 1 is assured even if the headlamp fails 2 fails to be lit by assembling the LEDs 7 and 7a in the headlamp 2. The LEDs 7, 7a, 8, 8a, and 9 incorporate a vibration detection sensor 11 and a day and night detection sensor 12 serially connected to a power circuit (a) so as to be illuminated when the bicycle 1 is running or pulled by a rider at night. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a safety device for a bicycle, and more specifically, it is automatically attached to a headlight when the bicycle is run at night or when the bicycle is pulled. The present invention relates to a device for preventing an accident by letting a light-emitting body emit light to notify other vehicles of its existence.

[0002]

2. Description of the Related Art Normally, a bicycle is equipped with a headlight that uses a dynamo as a power source, and when traveling at night, this headlight is lit to ensure the safety of running and to prevent accidents by notifying other vehicles of its existence. It is designed to work. However, driving the dynamo inevitably puts a load on the wheels of the bicycle and makes the pedals heavy, so there are many cases where the vehicle is driven without turning on the headlights, and accidents are easily encountered. Further, even if the headlight is turned on, it is difficult to check from the lateral direction and the rear side, and there are cases of accidents from the side and rear sides. Moreover, the dynamo produces a small amount of power when the bicycle is pulled and walks, and the headlight does not emit strong light. For the purpose of solving the above-mentioned problem, the present inventor attaches a light-emitting body to both sides and rear of a headlight, and makes the light-emitting body emit light by supplying power from a battery only when a bicycle is traveling at night. I have applied for a safety device as Japanese Patent Application No. 5-270466.

[0003]

However, since the invention of this application uses a solar cell or the like as a power source, the light emitting body may not emit light due to insufficient power if the battery is not sufficiently charged. Further, in the case of the invention of this application, since the light emitters are attached to both sides or the rear of the headlamp body, it is difficult to visually recognize from the front when the headlamp is not lit, and an accident is encountered. It's easy to do.

An object of the present invention is to store sufficient electric power in a storage battery at all times so that the light emitting body can always and sufficiently emit light, and the front side of the headlight can be maintained even when the headlight is unlit. (EN) Provided is a safety device for a bicycle, in which a light is emitted to facilitate visual recognition from the front side to prevent an accident.

[0005]

In order to achieve the above object, according to the invention of claim 1, in a bicycle safety device, a light emitting body is attached to a part of a headlight main body, and the light emitting body of the light emitting body is attached. Built-in vibration detection sensor that closes the power supply circuit when it detects a certain amount of vibration in the power supply circuit and day and night detection sensor that closes the power supply circuit when the surroundings become constant darkness, and rides a bicycle at night Alternatively, the bicycle is configured so that an accident can be prevented by closing the power supply circuit of the light emitter and causing the light emitter to emit light when the bicycle is being moved and vibration is generated in the bicycle. In the safety device in, the battery in the power supply circuit can be charged with the electric power generated by the headlight generator. According to the present invention, it is possible to eliminate the fear that the luminous body does not emit light due to insufficient power.

Further, in the invention described in claim 2,
In the invention described in claim 1, a solar battery or another rechargeable battery is used as the battery.

Further, in the invention described in claim 3,
The invention according to claim 1 or 2 is characterized in that the light-emitting body is attached to the front side of the headlight. According to the present invention, even when the headlight is forgotten, it is possible to secure the visibility from the front of the bicycle and enhance the safety.

Further, in the invention described in claim 4,
In the inventions according to claims 1 to 3, LE is used as the light emitting body.
It is characterized in that D is used. The present invention enables high-luminance light emission or colored light emission with a small power.

[0009]

The vibration detection sensor detects the vibration when the bicycle is running or when the bicycle is pulled down from the bicycle and walks, and closes the power supply circuit, and opens the power supply circuit when the vibration is no longer detected. The day / night detection sensor detects the sunset (darkness of the surroundings) to close the power supply circuit, and detects the dawn (brightness of the surroundings) to open the power supply circuit. The light emitter emits light using a solar battery or other rechargeable battery as a power source. The battery is first charged with the power generated by the solar, and further charged with the power generated by the generator for the headlight, so that the problem of power shortage due to the solar does not occur. .
The light emitter automatically emits light when a bicycle is running or pulled at night and vibration occurs. When the front side of the headlight emits light, even if the user forgets to put on the headlight, the front side of the bicycle emits light, which helps prevent accidents.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described in detail below with reference to FIGS. FIG. 1 is an overall view of a bicycle 1 to which a safety device according to the present invention is attached. In FIG. 1, 2 is a headlight and 3 is a dynamo for the headlight. 2 to 5 show the configuration of the headlamp 2, and 4 is the headlamp main body 2a.
The solar power generator 5 installed in the upper part of the solar battery is a solar battery for charging the electric power generated by the solar power generator 4. In addition, in the case of the present embodiment, a nickel-cadmium battery is used as the solar battery 5, but as long as it is rechargeable,
Other batteries may be used.

Reference numeral 6 is a headlamp, 7 and 7a are LEDs (light emitters) provided near the headlamp 6, 8 and 8a are LEDs mounted on both sides of the headlight 2, and 9 is the headlight 2.
LEDs mounted on the rear of the LE
D7, 7a, 8, 8a, 9 are not all headlamps 2
LED7, 7a only without attaching to
As indicated by 8, 8a and 9, the bicycle 1 may be arbitrarily discarded and attached depending on the type and use of the bicycle 1. Alternatively, it may be attached to the upper part of the headlight 2 so as to be visible from the 360 ° direction.

Reference numeral 10 denotes a power supply control circuit attached to a power supply circuit a that connects the light emitting bodies 7, 7a, 8, 8a, 9 and the solar battery 5, and the power supply control circuit 10 includes a vibration detection sensor 11 and day and night. A detection sensor 12 is incorporated, and when both sensors 11 and 12 operate together, the power supply circuit a is closed to supply electric power to the light emitters 7, 7a, 8, 8a and 9 to cause them to emit light. When one of the sensors 11 and 12 stops operating, the power supply circuit a is opened to open the LEDs 7 and 7.
The light emission of a, 8, 8a and 9 is stopped.

The above-mentioned control is automatically performed, but if it is desired to make the light-emitting bodies 7, 7a, 8, 8a, 9 emit light not only during nighttime but also during the daytime, the changeover manual switch (not shown) detects day and night. The operation of the sensor 12 may be stopped and light may be emitted only by the operation of the vibration detection sensor 11. The vibration detection sensor 11 and the day / night detection sensor 12 can be selected from commercially available ones and known ones in view of application conditions such as cost and durability. 13 is a charge control circuit, and when the dynamo 3 is defeated to generate electricity,
Full or full capacity of this electric power
It controls to charge the battery. The dynamo 3 also includes a hub dynamo.

[0014]

[Example] -Charging time by solar battery 5 (full charge) 30 hours at an illuminance of 10,000 LUX or more-Charging time from dynamo 3 (full charge) 2 hours or more-LED 7 when using nickel cadmium battery (full charge) 8, 8
Lighting time of a, 9 about 6 hours ・ Solar battery 5 3V 30mA ・ NiCd battery 2.4V 600mAh ・ LED 1) White high brightness X2 (installed in headlight 2) 2) Orange high brightness X2 (headlight) Attached to both sides and rear)

[0015]

INDUSTRIAL APPLICABILITY As described above, according to the present invention, the electromotive force of the generator for the headlight is induced to the solar battery or the like so that not only the solar but also the generator can be charged. In order to cope with the power shortage from the above, it is always possible to charge the power enough to make the light emitting body emit light. Therefore,
The problem that the light emitter does not emit light due to insufficient power is eliminated. Next, by mounting the light emitting body (LED) inside the headlight (front), only the light emitting body emits light when the headlight is forgotten, for example, ensuring safety from the front, It is possible to prevent accidents.

[Brief description of drawings]

FIG. 1 is a side view of a bicycle equipped with a safety device according to the present invention.

FIG. 2 is a side view of the headlight.

FIG. 3 is a plan view of a headlight.

FIG. 4 is a front view of a headlight.

FIG. 5 is a cross-sectional view taken along the line AA ′.

FIG. 6 is a power supply circuit diagram.

[Explanation of symbols]

1 bicycle 2 headlights 3 Dynamo 4 solar power generator 5 solar batteries 6 headlamps 7,7a, 8,8a, 9 LED 10 Power control circuit 11 Vibration detection sensor 12 Day and night detection sensor 13 Charge control circuit Power supply circuit

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) B62J 39/00 B62J 39/00 J F21S 8/10 H01M 10/44 P F21V 19/00 F21W 101: 023 H01M 10/44 101: 10 // F21W 101: 023 F21Y 101: 02 101: 10 F21M 3/02 D F21Y 101: 02 P F Term (reference) 3K039 AA03 CC01 DA02 DB02 DC00 LA08 LD06 MB10 QA05 QA06 3K042 AA10 AC06 BA09 5H030 AA06 AS08 BB10 FF51

Claims (4)

[Claims] 1. A vibration detection sensor for closing a power supply circuit when a constant vibration is sensed in a power supply circuit of the light emission body and a surrounding constant darkness while a light emission body is attached to a part of the headlamp main body. Incorporating a day / night detection sensor that closes the power supply circuit when the temperature becomes low, closes the power supply circuit of the light emitter when the bicycle is traveling or moving at night and the bicycle is vibrating. In a bicycle safety device configured to prevent accidents by making the luminous body emit light, the battery in the power supply circuit can be charged with electric power generated by the headlight generator. A safety device for a bicycle comprising the following. 2. A solar battery or other rechargeable battery is used as the battery.
The bicycle safety device according to. 3. The safety device for a bicycle according to claim 1, wherein the luminous body is attached to a front side of the headlight. 4. The safety device for a bicycle according to claim 1, wherein an LED is used as the light emitter.