JP2002334604A - Bulb for headlight or the like - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a headlight bulb which has remarkably less power consumption, has little generation of heat, and can illuminate with the same luminosity as before. SOLUTION: The headlight bulb is structured by a backing body of an insulating material, a cover body of a transparent insulating material projecting upwards fixed to the backing body, an illumination body support pole fixed to the backing body to be placed inside the cover body, a lighting circuit connecting in parallel a plurality of light emitting diodes connected in parallel or in series as a plurality of illumination bodies fixed at a circumference of the illumination body support pole with a given interval, and two terminals fixed at the backing bodies to be projected outside of the bottom part of the backing bodies connected at both end parts of the lighting circuit.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bulb such as a headlight which can be used for a headlight or a stop lamp of an automobile such as a motorcycle, an electric automobile, a gasoline automobile, and the like.

[0002]

2. Description of the Related Art A conventional headlight bulb is used in the form of a light bulb having an upwardly illuminating body and a downwardly illuminating body therein.

[0003]

A conventional bulb-shaped headlight bulb has disadvantages in that it consumes a large amount of current, generates heat, and is heated to a high temperature.

The present invention has been made in view of the above-mentioned conventional drawbacks,
An object of the present invention is to provide a bulb such as a headlight capable of illuminating at the same brightness as the conventional one, in which current consumption is remarkably small and heat is hardly generated.

Another object of the present invention is to provide a bulb such as a headlight which can be easily manufactured without evacuating the inside or enclosing gas.

The above and other objects and novel features of the present invention will become more fully apparent when the following description is read in light of the accompanying drawings. However, the drawings are merely for explanation and do not limit the technical scope of the present invention.

[0007]

In order to achieve the above object, the present invention provides a support made of insulating material, a cover made of transparent insulating material fixed to the support and protruding upward, and a cover made of the same. An illuminator support column fixed to the support so as to be located in the body, and a plurality of light emitting diodes as illuminators fixed at predetermined intervals on the outer periphery of the illuminator support column were connected in series or connected in series. A headlight comprising: a lighting circuit in which a plurality of lighting circuits are connected in parallel; and two terminals fixed to the support so as to protrude outward from a lower end of the support connected to both ends of the lighting circuit. And the like.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the embodiments shown in the drawings.

In the first embodiment of the present invention shown in FIGS. 1 to 7, reference numeral 1 denotes a bulb such as a headlight of the present invention, and the bulb 1 such as the headlight is a cylindrical support made of an insulating material. 2, a cylindrical cover body 3 fixed to the support 2 and protruding upward and made of a transparent insulating material and having an open or closed upper part, and the support body 2 so as to be located within the cover body 3. A fixed column-shaped illuminating body support column 4 and a plurality of light emitting diodes 5 as a plurality of illuminating bodies fixed downward at predetermined intervals on a lower outer peripheral portion on the distal end side of the illuminating body support column 4. A downward lighting circuit 6 in which
An upward lighting circuit 7 in which a plurality of light emitting diodes 5A as an illuminating body fixed in such a manner as to face upward at predetermined intervals over the entire outer peripheral portion on the rear side of the illuminating body supporting column 4;
At least three terminals connected to both ends of the upward lighting circuit 7 and both ends of the downward lighting circuit 6 and fixed to the support 2 so as to protrude outward from the lower end of the support 2. 8, 8A, 8B, and a mounting plate 9 fixed to the outer peripheral portion of the support 2.

As shown in FIG. 7, the bulb 1 of the headlight or the like having the above configuration is used with three terminals 8, 8A and 8B connected to a battery 11 via a changeover switch 10.
When the changeover switch 10 is turned on downward, only the plurality of light emitting diodes 5 of the downward lighting circuit 6 are turned on. However, the lighting can be performed with low current consumption and little heat generation. In addition, the changeover switch 10
Is turned on upward, only the plurality of light emitting diodes 5A of the upward lighting circuit 7 are turned on. However, the lighting can be performed with low current consumption and little heat generation.

[0011]

Next, different embodiments of the present invention shown in FIGS. 8 to 38 will be described. In addition,
In the description of the different embodiments of the present invention, the same components as those in the first embodiment of the present invention will be denoted by the same reference numerals, and redundant description will be omitted.

The second embodiment of the present invention shown in FIGS. 8 and 9 is different from the first embodiment of the present invention mainly in the lower side of the front end portion of the illuminator support column 4. A downward lighting circuit 6A in which a plurality of light emitting diodes 5 as lighting bodies fixed in a downward direction at predetermined intervals are connected in series to the outer peripheral part, and a rear side outer circumference of the lighting body support column 4 Light-emitting diodes 5A as a plurality of illuminators fixed so as to face upward at predetermined intervals over the entire part
The same operation as in the first embodiment of the present invention can be applied to a bulb 1A such as a headlight configured in this manner in that an upward lighting circuit 7A in which a plurality of serially connected elements are connected in parallel is used. The effect is obtained. In addition, when sufficient illumination is obtained and the device is used economically, a device in which a plurality of four light emitting diodes are connected in series and a plurality of light emitting diodes are connected in parallel may be used.

The third embodiment of the present invention shown in FIGS. 10 to 12 is mainly different from the first embodiment of the present invention in that a predetermined distance In that a lighting circuit 12 in which a plurality of light emitting diodes 5 as lighting bodies fixed in the above manner are used in series is used, a bulb 1B such as a headlight configured using such a lighting circuit 12 may be used.

The fourth embodiment of the present invention shown in FIGS. 13 and 14 is different from the first embodiment of the present invention mainly in that a predetermined portion of A downward lighting circuit 6B in which a plurality of light emitting diodes 5 as lighting bodies fixed at intervals are connected in series, and a plurality of lighting bodies as lighting bodies fixed at predetermined intervals on the outer peripheral portion on the distal end side of the lighting body support pillar 4. By using the upward lighting circuit 7B in which the light emitting diodes 5A are connected in series, in the case of downward, only a large number of the light emitting diodes 5 of the downward lighting circuit 6B are lit, and in the case of the upward, many lighting of the downward lighting circuit 6B. Since the light emitting diode 5 and a large number of light emitting diodes 5A of the upward lighting circuit 7B can be turned on, even the bulb 1C such as a headlight configured as described above has the first embodiment of the present invention. Same effect as the form can be obtained. Note that the downward lighting circuit 6B may be disposed on the lower outer peripheral portion of the illuminating body support column 4, and the upward lighting circuit 7B may be disposed on the upper outer peripheral portion.

The fifth embodiment of the present invention shown in FIGS. 15 to 18 is different from the first embodiment of the present invention mainly in that a cylindrical illuminator support column 4A and a downward lighting are provided. A pulse drive circuit 1 in which a circuit 6 and an upward lighting circuit 7 are interposed so as to be located in the illuminating body support column 4A.
3 and 13, the bulb 1D such as the headlight configured as described above can provide the same operation and effect as the first embodiment of the present invention, and can reduce the brightness of the illumination. It can be arbitrarily changed by the pulse drive circuits 13 and 13. Note that, even if the pulse drive circuits 13 and 13 are provided in other embodiments, the same operation and effect as in the present embodiment can be obtained.

The sixth embodiment of the present invention shown in FIGS. 19 to 21 is different from the fifth embodiment of the present invention mainly in that the sixth embodiment of the present invention is fixed to the outer peripheral portion of the lighting body support column 4A. Lighting circuit 6 on flexible substrate 14
In that a bulb 1E such as a headlight having such a configuration is used, the same operation and effect as those of the fifth embodiment of the present invention can be obtained.

In the seventh embodiment of the present invention shown in FIGS. 22 and 23, the main difference from the fifth embodiment of the present invention is that the outer peripheral portion on the distal end side of the illuminator support column 4A is provided. A plurality of downward lighting circuits 6C in which a plurality of light emitting diodes 5 as lighting bodies fixed at predetermined intervals are connected in series.
And a downward sequential lighting circuit 15 located in the illuminating body support column 4A interposed in the plurality of downward lighting circuits 6C.
A plurality of upward lighting circuits 7C in which a plurality of light emitting diodes 5A as illumination bodies fixed in a predetermined interval to a rear outer peripheral portion of the illumination body support pillar 4A are connected in series; The lighting body support post 4 interposed in
The bulb 1F such as the headlight configured as described above in that the upward sequential lighting circuit 15 located in the area A is used can obtain the same operation and effect as the fifth embodiment of the present invention. . Note that, even if the lighting circuit 15 is sequentially provided in another embodiment, the same operation and effect as in the present embodiment can be obtained.

In the eighth embodiment of the present invention shown in FIGS. 24 and 25, the main difference from the seventh embodiment of the present invention is that the outer periphery of a cylindrical illumination body support column 4A is provided. A plurality of lighting circuits 16 in which a plurality of light emitting diodes 5 as lighting bodies fixed at predetermined intervals are connected in series, and a sequential lighting circuit 15 located in the lighting body support column 4A interposed in the lighting circuit 12; In this respect, the bulb 1G such as a headlight configured as described above may be used.

In the ninth embodiment of the present invention shown in FIGS. 26 and 27, the main difference from the third embodiment of the present invention is that the outer peripheral portion of the illuminating body support post 4 is arranged at a predetermined interval. A headlight or the like configured in such a manner that a fixed number of fog lighting circuits 17 and lighting circuits 12 in which a plurality of light emitting diodes 5B as yellow illuminating bodies for lighting in the case of fog or rain are connected in series. With the bulb 1H, the same operation and effect as those of the third embodiment of the present invention can be obtained, and the bulb 1H can be used as a fog lamp. In the present embodiment, the light-emitting diodes 5 of the lighting circuit 12 and the light-emitting diodes 5B of the fog lighting circuit 17 are collectively arranged so as to be divided into two. However, the present invention is not limited to this. , And may be arranged in any manner, such as being alternately arranged in a line. Further, even if the fog lighting circuit 17 is provided in another embodiment, the same operation and effect as in the present embodiment can be obtained.

The tenth embodiment of the present invention shown in FIGS.
In this embodiment, the main difference from the first embodiment of the present invention is that a bulb 1I such as a headlight may be configured in such a manner that a cover body is not used.

The eleventh embodiment of the present invention shown in FIGS.
The main difference between the second embodiment and the second embodiment of the present invention is that at least one or more of the illuminator support columns 4 are mounted so as to be able to irradiate the light forward. In the embodiment, the two far infrared light emitting diodes 18 are interposed in the lighting circuit 7, and thus the first embodiment of the present invention can be applied to a bulb 1J such as a headlight configured as described above. 34, the bulb 1J such as the headlight is used as a headlight bulb of the automobile 20, and a far-infrared light receiving element 22 is provided at the rear of the automobile 21 traveling forward as shown in FIG. By providing an alarm device 23 for notifying the driver of the automobile 21 when the light of the far infrared light emitting diode 18 is received by the far infrared light receiving element 22, a collision prevention device and a danger avoidance alarm device are provided. It can be used as.

Further, as shown in FIG. 35, a bulb 1J such as a headlight is used as a stop lamp at the rear of the automobile 21, and a far-infrared light receiving element 22 is provided near the headlight of the automobile 20 traveling behind. When the brake light is applied to the infrared light receiving element 22 to receive the light of the far-infrared light emitting diode 18, an alarm device 23 is provided to notify the driver of the automobile 20 traveling behind, so that the device can be used as a rear-end collision prevention device and a danger avoidance alarm device Can be. Furthermore, it is also possible to modulate the far infrared rays like a TV remote control to prevent the malfunction of the far infrared rays. For example, when the stop lamp is lit, a data string of 101010 ... is output, a data string of 100100 ... from the headlights, and 10001000 ... from other dangerous places, it is possible to know what kind of danger exists.
In the vicinity of a tollgate on a highway or the like, an application of 110110. In addition, the present invention is not limited to this embodiment, and the above-described other embodiments may be similarly provided with at least one or more far-infrared light emitting diodes 18 so as to irradiate the illuminator support pillar 4 forward. Various effects can be obtained.

The twelfth embodiment of the present invention shown in FIGS.
The present embodiment is different from the eleventh embodiment of the present invention mainly in that at least one or more far-infrared light emitting diodes mounted so as to be able to irradiate the illuminator support column 4 forward. 18 is connected to a far-infrared light emitting diode terminal 19 fixed to the support 2, so that the bulb 1K of the headlight or the like thus configured has the same operation as the eleventh embodiment of the present invention. The effect can be obtained, and the far-infrared light emitting diodes 18 can be individually turned on, so that they can be used day and night.

In each of the embodiments of the present invention, the description has been given of the use as a headlight. However, the present invention is not limited to this.
It can also be used for stop lamps and the like.

[0025]

As apparent from the above description, the following effects can be obtained in the present invention.

(1) A support made of an insulating material, a cover made of a transparent insulating material fixed to the support and protruding upward,
An illuminator support column fixed to the support so as to be located in the cover, and a plurality of light emitting diodes as illuminators fixed at predetermined intervals on an outer peripheral portion of the illuminator support column are connected in series or in series. A lighting circuit in which a plurality of connected lighting circuits are connected in parallel, and two terminals fixed to the support so as to protrude outward from a lower end of the support connected to both ends of the lighting circuit. With this configuration, even with illumination having the same brightness as that of the related art, low current consumption of 1/500 to 1/50 is sufficient, and lighting can be performed in a state where heat is hardly generated. Accordingly, it is possible to reduce the running cost during use, and to reduce the amount of power used in an electric vehicle, a hybrid car, or the like.

(2) Since almost no heat is generated by the above (1), it is possible to use a material using a synthetic resin material or the like that can be used to manufacture the materials of the surrounding parts at low cost.

(3) According to the above (1), it is not necessary to seal the inside of the cover with a vacuum or gas, and a synthetic resin material or the like which is inexpensive and easy to manufacture can be used. Therefore, it can be manufactured at low cost.

(4) Claims 2 to 7 are also the above (1) to (3).
The same effect can be obtained.

[Brief description of the drawings]

FIG. 1 is a front view of a first embodiment of the present invention.

FIG. 2 is a plan view of the first embodiment of the present invention.

FIG. 3 is a bottom view of the first embodiment of the present invention.

FIG. 4 is a sectional view taken along the line 4-4 in FIG. 1;

FIG. 5 is a sectional view taken along the line 5-5 in FIG. 1;

FIG. 6 is a circuit diagram according to the first embodiment of the present invention.

FIG. 7 is a circuit diagram of a use state according to the first embodiment of the present invention.

FIG. 8 is a front view of a second embodiment of the present invention.

FIG. 9 is a circuit diagram according to a second embodiment of the present invention.

FIG. 10 is a front view of a third embodiment of the present invention.

FIG. 11 is a bottom view of the third embodiment of the present invention.

FIG. 12 is a circuit diagram according to a third embodiment of the present invention.

FIG. 13 is a front view of a fourth embodiment of the present invention.

FIG. 14 is a circuit diagram according to a fourth embodiment of the present invention.

FIG. 15 is a front view of a fifth embodiment of the present invention.

FIG. 16 is a plan view of a fifth embodiment of the present invention.

FIG. 17 is a sectional view taken along the line 17-17 in FIG. 15;

FIG. 18 is a circuit diagram according to a fifth embodiment of the present invention.

FIG. 19 is a front view of a sixth embodiment of the present invention.

FIG. 20 is a sectional view taken along the line 20-20 in FIG. 19;

FIG. 21 is a circuit diagram according to a sixth embodiment of the present invention.

FIG. 22 is a front view of a seventh embodiment of the present invention.

FIG. 23 is a circuit diagram according to a seventh embodiment of the present invention.

FIG. 24 is a front view of the eighth embodiment of the present invention.

FIG. 25 is a circuit diagram according to an eighth embodiment of the present invention.

FIG. 26 is a front view of a ninth embodiment of the present invention.

FIG. 27 is a circuit diagram of a ninth embodiment of the present invention.

FIG. 28 is a front view of a tenth embodiment of the present invention.

FIG. 29 is a plan view of a tenth embodiment of the present invention.

FIG. 30 is a sectional view taken along lines 30-30 in FIG. 28;

FIG. 31 is a circuit diagram according to a tenth embodiment of the present invention.

FIG. 32 is a front view of an eleventh embodiment of the present invention.

FIG. 33 is a circuit diagram according to an eleventh embodiment of the present invention.

FIG. 34 is an explanatory diagram when used as a headlight of an automobile.

FIG. 35 is an explanatory diagram when used as a stop lamp of an automobile.

FIG. 36 is a front view of a twelfth embodiment of the present invention.

FIG. 37 is a bottom view of the twelfth embodiment of the present invention.

FIG. 38 is a circuit diagram according to a twelfth embodiment of the present invention.

[Explanation of symbols]

1, 1A to 1K: bulbs such as headlights, 2: support body, 3: cover body, 4, 4A: lighting body support pillar, 5, 5A, 5B: light emitting diode, 6, 6A, 6
B, 6C: downward lighting circuit, 7, 7A, 7B, 7C: upward lighting circuit, 8, 8A, 8B: terminal, 9: mounting plate, 10: changeover switch, 11: battery, 1
2: lighting circuit, 13: pulse drive circuit, 14:
Flexible board, 15: sequential lighting circuit, 16: lighting circuit, 17: fog lighting circuit, 18: far infrared light emitting diode, 19: far infrared light emitting diode terminal, 2
0: automobile, 21: automobile, 22: far-infrared light receiving element, 23: alarm device.

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Claims (7)

[Claims] 1. A support made of an insulating material, a cover made of a transparent insulating material fixed to the support and projecting upward, and an illuminator fixed to the support so as to be located in the cover. A supporting column, a lighting circuit in which a plurality of light emitting diodes as illuminating bodies fixed at predetermined intervals on an outer peripheral portion of the illuminating body supporting column are connected in series or a plurality of light emitting diodes connected in series are connected in parallel, A bulb, such as a headlight, comprising: two terminals fixed to the support so as to protrude outward from a lower end of the support connected to both ends. 2. A support made of insulating material, a cover made of transparent insulating material fixed to the support and projecting upward, and an illuminator fixed to the support so as to be located in the cover. Downward lighting in which a support pillar and a plurality of light emitting diodes as lighting bodies fixed in a downward direction at predetermined intervals on an upper outer peripheral portion of the lighting body support pillar are connected in series or a plurality of light emitting diodes connected in series are connected in parallel. An upward lighting circuit in which a circuit and a plurality of light emitting diodes as lighting bodies fixed in a manner to face upward at predetermined intervals on a lower outer peripheral portion of the lighting body support column are connected in series or a plurality of light emitting diodes connected in series are connected in parallel. And at least three terminals fixed to the support so as to protrude outward from lower ends of the support connected to both ends of the upward lighting circuit and both ends of the downward lighting circuit. And a bulb for a headlight or the like. 3. A support made of an insulating material, a cover body made of a transparent insulating material fixed to the support and protruding upward, and a cylindrical shape fixed to the support so as to be located in the cover. A lighting circuit in which a plurality of light-emitting diodes as lighting bodies fixed at predetermined intervals on the outer periphery of the lighting body supporting column are connected in series or a plurality of light-emitting diodes connected in series are connected in parallel; A pulse driving circuit positioned in the lighting body support column interposed in the lighting circuit, and a support connected to both ends of the lighting circuit so as to protrude outward from a lower end of the support. A bulb, such as a headlight, comprising two fixed terminals. 4. A support made of an insulating material, a cover made of a transparent insulating material fixed to the support and protruding upward, and a cylindrical shape fixed to the support so as to be located in the cover. And a plurality of lighting circuits in which a plurality of light emitting diodes as lighting bodies fixed at predetermined intervals to an outer peripheral portion of the lighting body support pillar are connected in series. A lighting circuit, which is mounted in the lighting body support column, and which is fixed to the support so as to protrude outward from a lower end of the support connected to both ends of the lighting circuit. A bulb, such as a headlight, comprising a plurality of terminals. 5. A support made of an insulating material, a cover body made of a transparent insulating material protruding upward fixed to the support, and a cylindrical shape fixed to the support so as to be located inside the cover. And one or a plurality of downward lighting circuits in which a plurality of light emitting diodes as lighting bodies fixed in a downward direction at predetermined intervals on an upper peripheral portion of the lighting body support pillar are connected. And a downward pulse driving circuit or a downward sequential lighting circuit located in the illuminating body support column interposed in the downward lighting circuit, and fixed to the lower outer peripheral portion of the illuminating body support column so as to face upward at a predetermined interval. One or more upward lighting circuits in which a plurality of light emitting diodes as a plurality of lighting bodies are connected in series, and an upward pulse driving circuit located in the lighting body support column interposed in the upward lighting circuit Alternatively, an upward sequential lighting circuit, which is connected to both ends of the upward lighting circuit and both ends of the downward lighting circuit, is fixed to the support so as to protrude outward from a lower end of the support. A bulb such as a headlight comprising at least three terminals. 6. A supporting body made of an insulating material, an illuminating body supporting column fixed to the supporting body, and a plurality of light emitting diodes as a plurality of illuminating bodies fixed at predetermined intervals on an outer peripheral portion of the illuminating body supporting column. And a lighting circuit in which a plurality of serially-connected lighting circuits are connected in parallel, and a lighting circuit fixed to the support so as to protrude outward from a lower end of the support connected to both ends of the lighting circuit. A bulb, such as a headlight, comprising a plurality of terminals. 7. At least one or more far-infrared light emitting diodes attached to the lighting body support post so as to be able to irradiate the front of the lighting body support to the far-infrared light emitting diode terminal interposed in the lighting circuit or fixed to the support. The bulb such as a headlight according to claim 1, wherein the bulb is connected.