CN111288407A - LED light source headlamp - Google Patents
LED light source headlamp Download PDFInfo
- Publication number
- CN111288407A CN111288407A CN201811513852.5A CN201811513852A CN111288407A CN 111288407 A CN111288407 A CN 111288407A CN 201811513852 A CN201811513852 A CN 201811513852A CN 111288407 A CN111288407 A CN 111288407A
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- CN
- China
- Prior art keywords
- led lamp
- lamp
- led
- arc
- shaped
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/141—Light emitting diodes [LED]
- F21S41/151—Light emitting diodes [LED] arranged in one or more lines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/40—Cooling of lighting devices
- F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings
- F21S45/48—Passive cooling, e.g. using fins, thermal conductive elements or openings with means for conducting heat from the inside to the outside of the lighting devices, e.g. with fins on the outer surface of the lighting device
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
- F21W2102/10—Arrangement or contour of the emitted light
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
- F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
- F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Abstract
The invention discloses an LED light source headlamp, which comprises a lamp body, wherein a plurality of first LED lamps are arranged at the edge of the lamp body, the first LED lamps are divided into ten arc-shaped LED lamp strips by taking the center of the lamp body as a circle center and are uniformly distributed, and an annular second LED lamp is arranged on the outer side of each first LED lamp; the inner side of the arc-shaped LED lamp strip is provided with third LED lamps which are uniformly distributed in a circular manner by taking the center of the lamp body as the center, the outer side of each third LED lamp is provided with an annular fourth LED lamp, and the outer sides of the third LED lamp and the fourth LED lamp are provided with light-transmitting covers; also includes a single-pole three-throw switch. The invention can improve the defects of the prior art, realizes the adjustment of different illumination brightness and reduces the illumination blind area by designing different LED lamps controlled by the single-pole three-throw switch and reasonably designing the installation positions of the LED lamps.
Description
Technical Field
The invention relates to a lamp, in particular to an LED light source headlamp.
Background
Halogen bulbs, such as H4 bulbs, are often used as light sources for automotive headlamps. The halogen bulb has large luminous volume, short service life and low light energy utilization rate. Light-Emitting diodes (LEDs) are used as a novel Light source, have the characteristics of high Light-Emitting efficiency, long service life, high reliability and the like, and are widely applied to various lighting products at present. With the continuous maturity of LED technology and the reduction of cost, it has become possible to use LEDs as automotive headlamps, and therefore LEDs are also referred to as fourth generation lamp light sources. The automobile headlamp adopting the traditional light source has the advantages that the light energy utilization rate is generally low due to the traditional light source, the light energy utilization rate is increased through the reflector, the caliber of the reflector is larger, the front part of a modern automobile is lower and adopts a streamline design, and therefore the caliber of the automobile headlamp is reserved to be smaller. Therefore, it is urgently required how to obtain the maximum light energy utilization efficiency when the aperture of the automotive headlamp is small.
Disclosure of Invention
The invention provides an LED light source headlamp, which can improve the defects of the prior art, realizes the adjustment of different illumination brightness and reduces the illumination blind area by designing different LED lamps controlled by a single-pole three-throw switch and reasonably designing the installation positions of the LED lamps.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: an LED light source headlamp comprises a lamp body, wherein a plurality of first LED lamps are arranged at the edge of the lamp body, the first LED lamps are divided into ten arc-shaped LED lamp strips by taking the center of the lamp body as a circle center and are uniformly distributed, the ratio of the curvature radius of the arc-shaped LED lamp strips to the radius of an inner circle formed by the arc-shaped LED lamp strips is 2: 1, the included angle between the arc-shaped LED lamp strips and the inner circle formed by the arc-shaped LED lamp strips is 20 degrees, an annular second LED lamp is arranged on the outer side of each first LED lamp, and the power of the second LED lamp is greater than that of the first LED lamp; the inner side of the arc-shaped LED lamp strip is provided with third LED lamps, the third LED lamps are uniformly distributed in a circular manner by taking the center of the lamp body as the center, the outer side of each third LED lamp is provided with an annular fourth LED lamp, the power of each fourth LED lamp is greater than that of each third LED lamp, the outer sides of the third LED lamp and the fourth LED lamps are provided with light-transmitting covers, and the light-transmitting wavelength range of each light-transmitting cover is 550-650 nm; the LED lamp with the single-pole three-throw switch also comprises a single-pole three-throw switch, wherein a first loop of the single-pole three-throw switch is connected with a first LED lamp in series, a second loop of the single-pole three-throw switch is connected with a third LED lamp in series, and a third loop of the single-pole three-throw switch is connected with a second LED lamp and a fourth LED lamp in series.
Preferably, cylindrical metal covers are arranged in the lamp tubes of the first LED lamp, the second LED lamp, the third LED lamp and the fourth LED lamp, and the cylindrical metal covers are in short circuit with one electrode in the lamp tubes.
Preferably, the tail parts of the lamp tubes of the first LED lamp, the second LED lamp, the third LED lamp and the fourth LED lamp are provided with radiating fins.
According to the invention, the installation position and arrangement mode of the first LED lamp can reduce 60% of lighting blind areas, and the light-transmitting cover at the outer side of the third LED lamp only transmits yellow light and red light, so that a dark and warm lighting environment can be created, and the light is not dazzling. When high-brightness illumination is needed, the single-pole three-throw switch is adjusted to the third loop, so that the second LED lamp and the fourth LED lamp with high power are simultaneously lighted to provide enough illumination. On one hand, the cylindrical metal cover can shield high pressure, high temperature and electric sparks generated between the electrodes instantly when the lamp tube is started; on the other hand, the device has the function of rapidly cooling the electrode and the lamp filament, and reduces the probability of the lamp filament being blown. The radiating fins can enhance the radiating effect of the LED lamp in the using process.
Drawings
FIG. 1 is a schematic diagram of one embodiment of the present invention.
FIG. 2 is a schematic diagram of an LED lamp tube according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of electrical connections in an embodiment of the present invention.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention is further described in detail below with reference to examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-3, the LED light source headlamp comprises a lamp body 1, wherein a plurality of first LED lamps 2 are arranged at the edge of the lamp body 1, the first LED lamps 2 are divided into ten arc-shaped LED strips by taking the center of the lamp body 1 as a circle center and are uniformly distributed, the ratio of the curvature radius of the arc-shaped LED strips to the radius of an inner circle formed by the arc-shaped LED strips is 2: 1, the included angle a between the arc-shaped LED strips and the inner circle formed by the arc-shaped LED strips is 20 °, an annular second LED lamp 3 is arranged on the outer side of each first LED lamp 2, and the power of the second LED lamp 3 is greater than that of the first LED lamp 1; a third LED lamp 4 is arranged on the inner side of the arc-shaped LED lamp strip, the third LED lamps 4 are uniformly distributed in a circular manner by taking the center of the lamp body 1 as a circle, an annular fourth LED lamp 5 is arranged on the outer side of the third LED lamp 4, the power of the fourth LED lamp 5 is greater than that of the third LED lamp 4, a light-transmitting cover 6 is arranged on the outer sides of the third LED lamp 4 and the fourth LED lamp 5, and the light-transmitting wavelength range of the light-transmitting cover 6 is 550 nm-650 nm; the LED lamp is characterized by further comprising a single-pole three-throw switch 7, wherein a first loop of the single-pole three-throw switch 7 is connected with a first LED lamp 2 in series, a second loop of the single-pole three-throw switch 7 is connected with a third LED lamp 4 in series, and a third loop of the single-pole three-throw switch 7 is connected with a second LED lamp 3 and a fourth LED lamp 5 in series.
It is noted that cylindrical metal covers 8 are arranged in the lamp tubes of the first LED lamp 2, the second LED lamp 3, the third LED lamp 4 and the fourth LED lamp 5, and the cylindrical metal covers 8 are in short circuit with one electrode 9 in the lamp tubes.
In addition, the tail parts of the lamp tubes of the first LED lamp 2, the second LED lamp 3, the third LED lamp 4 and the fourth LED lamp 5 are provided with heat radiating fins 10.
The working principle of the invention is as follows: the installation position and the arrangement mode of the first LED lamp 2 can reduce 60 percent of lighting blind areas, and the light-transmitting cover 6 at the outer side of the third fluorescent lamp 4 only transmits yellow light and red light, so that a dark and warm illumination environment can be created, and the light is not dazzling. When high-brightness illumination is needed, the single-pole three-throw switch 7 is adjusted to a third loop, so that the high-power second LED lamp 3 and the high-power fourth LED lamp 5 are simultaneously lighted to provide enough illumination. The cylindrical metal cover 8 can shield high voltage, high temperature and electric spark generated between the electrodes instantly when the lamp tube is started; on the other hand, the device has the function of rapidly cooling the electrode and the lamp filament, and reduces the probability of the lamp filament being blown. The heat dissipation fins 10 can enhance the heat dissipation effect of the LED lamp during use.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.
Claims (3)
1. An LED light source head lamp, includes lamp body (1), its characterized in that: the LED lamp comprises a lamp body (1), wherein a plurality of first LED lamps (2) are arranged at the edge of the lamp body (1), the first LED lamps (2) are divided into ten arc-shaped LED lamp strips by taking the center of the lamp body (1) as a circle center and are uniformly distributed, the ratio of the curvature radius of the arc-shaped LED lamp strips to the radius of an inner circle formed by the arc-shaped LED lamp strips is 2: 1, the included angle (A) between the arc-shaped LED lamp strips and the inner circle formed by the arc-shaped LED lamp strips is 20 degrees, an annular second LED lamp (3) is arranged on the outer side of each first LED lamp (2), and the power of each second LED lamp (3) is greater than that; the LED lamp comprises an arc-shaped LED lamp belt, and is characterized in that third LED lamps (4) are arranged on the inner side of the arc-shaped LED lamp belt, the third LED lamps (4) are uniformly distributed in a circular manner by taking the center of the lamp body (1) as a circle, an annular fourth LED lamp (5) is arranged on the outer side of the third LED lamp (4), the power of the fourth LED lamp (5) is larger than that of the third LED lamp (4), light-transmitting covers (6) are arranged on the outer sides of the third LED lamp (4) and the fourth LED lamp (5), and the light-transmitting wavelength range of each light-transmitting cover (6) is 550-650 nm; the LED lamp is characterized by further comprising a single-pole three-throw switch (7), a first loop of the single-pole three-throw switch (7) is connected with a first LED lamp (2) in series, a second loop of the single-pole three-throw switch (7) is connected with a third LED lamp (4) in series, and a third loop of the single-pole three-throw switch (7) is connected with a second LED lamp (3) and a fourth LED lamp (5) in series.
2. The LED light source headlamp of claim 1 wherein: cylindrical metal covers (8) are arranged in the lamp tubes of the first LED lamp (2), the second LED lamp (3), the third LED lamp (4) and the fourth LED lamp (5), and the cylindrical metal covers (8) are in short circuit with one electrode (9) in the lamp tubes.
3. The LED light source headlamp of claim 1 wherein: the tail parts of the lamp tubes of the first LED lamp (2), the second LED lamp (3), the third LED lamp (4) and the fourth LED lamp (5) are provided with radiating fins (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811513852.5A CN111288407A (en) | 2018-12-10 | 2018-12-10 | LED light source headlamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811513852.5A CN111288407A (en) | 2018-12-10 | 2018-12-10 | LED light source headlamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111288407A true CN111288407A (en) | 2020-06-16 |
Family
ID=71027507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811513852.5A Pending CN111288407A (en) | 2018-12-10 | 2018-12-10 | LED light source headlamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111288407A (en) |
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2018
- 2018-12-10 CN CN201811513852.5A patent/CN111288407A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200616 |