CN203249135U - LED light source components for headlights - Google Patents

Abstract

The utility model discloses a LED light source assembly for headlamp, which is provided with two LED light sources, wherein the two LED light sources are respectively arranged on two opposite side wall surfaces of a heat conducting post to form a double-sided luminous source, so that the power of the headlamp is larger, the luminous effect is better, the illumination is higher, and the illuminating angle effect of high beam and low beam lamps is more obvious, and the use is more convenient and safer; be equipped with independent installation screens piece, the cover is equipped with a connecting piece on the heat conduction post, and different types of installation screens piece can both assemble with the connecting piece to can assemble different types of installation screens piece, make according to user's demand on same LED light source subassembly the utility model discloses a commonality reinforcing. Moreover, due to the fact that the mounting clamping piece is extremely simple to disassemble and assemble, a user can replace the mounting clamping piece automatically according to the vehicle type, and the LED light source component is matched with the mounting hole.

Description

LED light source components for headlights

technical field

The utility model relates to a lamp for motor vehicle lighting, in particular to an LED light source assembly for a headlamp.

Background technique

Headlights are traffic lights that are installed in front of the car to ensure safe driving. The main purpose is to illuminate the roads and objects in front of the car to ensure driving safety. Due to the high energy consumption, short life and low luminous efficiency of traditional headlights, LED light sources have the advantages of small size, low power consumption, long service life, high brightness, low heat, environmental protection, and durability. Gradually use LED light sources as light sources, but currently only a few high-end cars are configured to use LEDs as headlight light sources when they leave the factory. There are almost no refitting and maintenance markets after the car leaves the factory. Most of the vehicle headlight lamp cups and lens structures are designed according to the halogen bulbs. To replace the original light source with LEDs, it is necessary to find a support point on the reflector or lens of the original car before fixing or modifying it. This will inevitably cause damage to the reflector or lens of the original car, and the unique light-emitting angle of LED and the unique requirements for heat dissipation structure also make it difficult for LED light source components to be installed in the headlights of the original car.

In order to solve this problem, the applicant proposed an invention called "LED light source assembly for motorcycle headlights and LED motorcycle headlight", in which it is proposed to set a mounting clip on the LED light source assembly, so that it can pass The installation clip is snapped into the installation hole on the original car light to complete the installation and fixation of the LED light source assembly. Due to the different models, the positions and sizes of the mounting holes are also different, so a variety of different types of mounting clips are required to meet the needs. However, the mounting clips are fixed on the lamp body, which is inconvenient to disassemble and install. The different types of mounting clips cannot be interchanged on the lamp body, and the versatility is not strong enough.

Therefore, providing an LED light source assembly for headlights with convenient installation and strong structural versatility is one of the problems that those skilled in the art should start to solve.

Utility model content

The main purpose of the utility model is to provide a LED light source assembly for headlights with low energy consumption, energy saving, environmental protection, long service life, convenient installation, strong structural versatility, and obvious effect of high and low light irradiation angles.

The utility model proposes an LED light source assembly for headlights, which includes a radiator, a heat conduction column connected to the heat sink, an LED light source installed on the heat conduction column, and a light source installation hole that can be interlocked with the headlight. Connected to a fixed installation clip, the LED light source is provided with two, and is respectively installed on the two opposite side walls of the heat conduction column to form a double-sided light source; the installation clip is an independent part, and the There is a connecting piece used to connect the installation clip on the column, a number of grooves are arranged around the outer wall of the connection piece, and a number of grooves that can be connected with the groove are arranged on the inner side of the installation clip. The protruding strips engaged one by one, through the engaging of the protruding strips and the grooves, the installation locking part and the connecting part are assembled and fixed.

Preferably, the heat sink is made of aluminum alloy material and is hollow, the rear end of the heat conduction column is embedded in the front port of the heat sink, and a rear cover is provided on the rear port cover of the heat sink, An LED driver electrically connected to the LED light source is installed in the hollow of the radiator.

Preferably, installation grooves adapted to the LED light source are respectively provided on the upper and lower side walls of the heat conduction column, and the two LED light sources are respectively placed in the two installation grooves; in the heat conduction column There are two channels, one end of the channel corresponds to and communicates with the installation groove, and the other end of the channel communicates with the hollow part of the heat sink; the two LED light sources are connected to each other through two sets of wires respectively. The channel passes through to be electrically connected with the LED driver.

Preferably, it also includes a cover plate for fixing the LED light source; the LED light source is a COB surface light source, including a substrate and a number of high-power LEDs installed on the substrate, the substrate consists of a circular part and a The circular part is composed of bar-shaped parts tangentially connected, the high-power LED is installed on the circular part, and one end of the cover plate is obliquely pressed on the bar-shaped part.

Preferably, an inclined reflective surface and a chute are provided on the heat conduction column, the inclined reflective surface and the chute are correspondingly arranged on the front and rear sides of the installation groove, and the cover plate and the chute Adaptively, the cover plate is arranged on the chute, and the inclined reflective surface and the cover plate are arranged inclined outward relative to the LED light source.

Preferably, the heat conduction column is in the shape of an ovoid with a pointed front and a blunt rear, the installation groove is arranged at the front end of the heat conduction column, and a reflective coating is uniformly coated on the outer wall of the heat conduction column.

Preferably, at least two positioning keys and at least two screw holes are provided on the outer wall of the rear end of the heat conduction column, the screw holes are arranged alternately with the positioning keys, and the connecting piece is provided with The keyway corresponding to the positioning key and the connection hole corresponding to the screw hole, the positioning key is embedded in the keyway to fix the relative position of the heat conduction column and the connecting piece, and is inserted into the connection hole through a screw In the screw hole, screwed with the screw hole, so that the connecting piece is fixed on the heat conduction column.

The beneficial effects of the LED light source assembly for the headlamp of the present invention are:

1. The LED light source is used as the light source. The LED light source has the characteristics of high luminous efficiency, low energy consumption, long service life, energy saving and environmental protection;

2. There are two LED light sources, and the two LED light sources are respectively installed on the two opposite side walls of the heat conduction column to form a double-sided light source; the LED light source is a COB surface light source, and the double-sided COB surface light source is used to make the car headlights Compared with the headlights with single-sided light sources, the power is higher, the luminous effect is better, and the illuminance is higher. Moreover, the existing LED electric vehicle headlights on the market mainly realize the conversion of the high beam and the low beam according to the strong and weak light changes of a single light source, and the irradiation angle is basically unchanged. The light source can make the effect of high beam and low beam irradiation angle more obvious, and it is more convenient and safe to use.

3. The installation clamping part is an independent part, and a connecting piece is set on the heat conduction column, and several grooves are arranged on the outer wall of the connecting piece, and there are several grooves on the inner side of the installation clamping part, which can be engaged with the grooves one by one. When assembling and installing the clamping parts, the mounting clamping parts and the connecting parts can be assembled and fixed through the engagement of the convex strips and the grooves. The assembly of the mounting clamping parts is extremely convenient; when disassembling the mounting clamping parts, put It can be pulled out from the connector, which is also very simple;

The grooves on the connecting piece are set in a uniform specification, and the convex lines on the installation clip are also set in a uniform specification. Different types of installation clips can be assembled with the connection piece, so that the same LED light source assembly can be customized according to the user's requirements. It is required to assemble different types of mounting clips, which enhances the versatility of the utility model. Moreover, since the disassembly and assembly of the installation clips is extremely simple, the user can replace the installation clips by himself according to the vehicle model, so that the LED light source assembly can be adapted to the installation hole.

4. The LED light source is installed on the heat conduction column. The heat conduction column can quickly conduct the heat generated by the LED light source to the radiator, and the heat is dissipated by the radiator to keep the temperature in the lamp within the normal working range and extend the use of the LED light source. life.

5. After the LED light source assembly is installed and fixed, the heat conduction column is fixed horizontally in the reflector cup of the headlight, and the two LED light sources are set up and the other down, so that the light emitted by the LED light source can be concentrated on the reflective surface to the maximum extent. The light is refracted and reflected by the reflector, which can improve the light utilization rate, enhance the emitted light, and increase the irradiation distance; and improve the directivity of the light emitted by the LED light source, making the emitted light softer and less dazzling , in line with national certification standards for safe driving lights.

Description of drawings

Fig. 1 is the structural exploded schematic view of LED light source assembly in an embodiment of LED light source assembly for headlamp of the present invention;

Fig. 2 is the front view of the LED light source assembly in an embodiment of the LED light source assembly for the headlamp of the present invention;

Fig. 3 is a right view of the LED light source assembly in an embodiment of the LED light source assembly for the headlamp of the present invention;

Fig. 4 is a perspective view of the LED light source assembly in one embodiment of the LED light source assembly for the headlamp of the present invention when it is placed horizontally;

Fig. 5 is a perspective view of an embodiment of the LED light source assembly for a headlamp of the present invention when the LED light source assembly is placed vertically.

The realization of the purpose of the utility model, functional characteristics and advantages will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

Detailed ways

It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

Referring to Fig. 1 to Fig. 5, an embodiment of the LED light source assembly for the headlight of the present invention is proposed, the LED light source assembly for the headlight includes a heat sink 3, a heat conducting column 2 connected with the heat sink 3, and a heat conducting The LED light source 1 on the column 2 and the installation clip 5 that can be clamped and fixed with the light source installation hole of the car headlight. This embodiment uses the LED light source 1 as the light source, which has high luminous efficiency, low energy consumption, and long service life. Long, energy saving and environmental protection. There are two LED light sources 1, which are respectively installed on the upper and lower opposite side walls of the heat conduction column 2 to form a double-sided light source. Install the LED light source assembly horizontally in the light source installation hole of the car headlight, and fix the heat conduction column 2 horizontally in the reflector cup of the headlight, so that one of the two LED light sources 1 emits light upward and the other downward, and the light emitted by the LED light source 1 The light can be gathered to the reflective surface in the reflective cup to the greatest extent, and the light is refracted and reflected by the reflective cup, which can improve the light utilization rate, increase the emitted light and increase the irradiation distance; and make the LED light source 1 emit light The directivity of the light is improved, and the light emitted is softer and not dazzling, which meets the national certification safety driving light standards.

The LED light source 1 is a COB surface light source, and the use of double-sided COB surface light sources makes the headlights of this car more powerful, better in luminous effect, and higher in illuminance than those with single-sided light sources. The radiator 3 is provided with an LED driver, and the two LED light sources 1 are separately connected to the LED driver using two sets of wires, and the LED driver controls the opening and closing of the two groups of LED light sources 1 respectively. The LED light source 1 on the lower side wall is turned on; when the high beam is enabled, the LED driver controls two sets of LED light sources 1 to be turned on simultaneously, so that the illumination angle effect of the high beam and low beam is more obvious, and the use is safer. Compared with the existing LED electric vehicle headlights on the market, it mainly realizes the conversion of the high beam and the low beam according to the change of the intensity of a single light source, and the irradiation angle is basically unchanged. The surface light source can make the effect of high beam and low beam irradiation angle more obvious, and has the advantages of more convenient and safe use.

The heat sink 3 is pumpkin-shaped and hollow; the heat conduction column 2 is oval-shaped with a pointed front and a blunt back, similar to a warhead; the heat sink 3 and heat conduction column 2 are made of aluminum alloy, and have excellent heat conduction and heat dissipation effects. The LED light source 1 is installed on the heat conduction column 2, and the heat conduction column 2 can quickly conduct the heat generated by the LED light source 1 to the radiator 3, and the heat is dissipated by the radiator 3, so that the temperature inside the lamp can be kept within the normal working range, and the lamp can be extended. The service life of LED light source 1. The rear end of the heat conduction column 2 is embedded in the front port of the radiator 3, the LED driver is installed in the hollow of the radiator 3, and the rear port cover of the radiator 3 is provided with a rear cover 4, which is used to protect the LED driver. Prevent rainwater and dust from entering the LED driver and affect the use of the LED driver. Moreover, the setting of the back cover 4 makes the appearance of the product more attractive.

Mounting grooves 20 adapted to the LED light source 1 are respectively provided on the upper and lower side walls of the front end of the heat conduction column 2, and the two LED light sources 1 are respectively placed in the two installation grooves 20, and two channels are provided in the heat conduction column 2, One end of one channel corresponds to and communicates with one installation groove 20, one end of the other channel corresponds to and communicates with another installation groove 20, and the other end of the two channels communicates with the hollow of the radiator 3; two LED light sources 1 pass through two groups of The wires pass through the corresponding two channels and are electrically connected to the LED driver in the heat sink 3. The two sets of wires are hidden in the heat conducting column 2 and will not be exposed, making the appearance simple and beautiful.

This embodiment uses a cover plate 10 to fix the LED light source 1. The LED light source 1 includes a substrate and a number of high-power LEDs installed on the substrate. The substrate is composed of a circular part and a bar-shaped part tangentially connected to the circular part. Similar to a table tennis racket; high-power LEDs are installed on the circular part, the circular part is placed forward, and the bar-shaped part is placed backward. The cover plate 10 is arranged obliquely from front to back. After the cover plate 10 is fixed, the front end of the cover plate 10 is obliquely pressed against the bar-shaped part, so that the LED light source 1 is fixed in the installation groove 20 .

An inclined reflective surface 21 and an inclined groove 22 are provided on the heat conduction column 2 , and an inclined reflective surface 21 and an inclined groove 22 are arranged on the front and rear sides of each mounting groove 20 correspondingly. The cover plate 10 is adapted to the chute 22, and the left and right sides of the cover plate 10 are provided with positioning strips, and the left and right side walls of the chute 22 are provided with tongue grooves adapted to the positioning strips. The cover plate 10 is covered in the chute 22 . After the cover plate 10 is fixed, the inclined reflective surface 21 and the cover plate 10 are both inclined outward relative to the LED light source 1 . The outer wall surface of the heat conduction column 2 is evenly coated with a reflective coating, so that the obliquely arranged cover plate 10 and inclined reflective surface 21 can reflect the large-angle light emitted by the LED light source 1 and increase the utilization rate of light. The heat conduction column 2 has a pointed front and a blunt rear, and its front tip is small in size, which can avoid blocking light emission to the greatest extent.

The installation clamping part 5 is an independent part, and the installation clamping part 5 can be clamped and fixed with the light source installation hole in the headlight of the car. In the headlight, the light source modification of the car headlight can be easily completed. A connecting piece 6 is set on the heat-conducting column 2 for connecting and installing the clamping part 5. The connecting piece 6 is in the shape of a ring, and its inner ring is adapted to the blunt end of the heat-conducting column 2. On the outer wall of the blunt end of the heat-conducting column 2 There are two positioning keys 61 and two screw holes, the screw holes and the positioning keys 61 are alternately arranged, and the connecting piece 6 is provided with a keyway corresponding to the positioning key 61 and a connecting hole corresponding to the screw hole, and the positioning key 61 is embedded in the keyway Fix the relative position of the heat conduction column 2 and the connector 6, and insert the screw into the connection hole and the screw hole, and screw with the screw hole, so that the connector 6 is fixed on the heat conduction column 2. The connecting piece 6 is sleeved on the blunt end of the heat conduction column 2 and fixed on the front end of the heat sink 3 through the connection between the heat conduction column 2 and the heat sink 3 .

A plurality of grooves 60 are arranged around the outer wall of the connector 6, and a plurality of convex strips 50 that can be engaged with the grooves 60 are arranged on the inner side of the installation clip 5. When assembling the installation clip 5, the The engagement of the protruding strip 50 and the groove 60 makes the installation clip 5 and the connector 6 assembled and fixed, and the assembly of the installation clip 5 is extremely convenient; when disassembling the installation clip 5, pull it out from the connector 6 Just go out, it is also very simple;

The groove 60 on the connecting piece 6 is set in a uniform specification, and the convex strip 50 on the installation clamping piece 5 is also set in a uniform specification. Different types of installation clamping pieces 5 can be assembled with the connecting piece 6, so that the same LED The light source assembly can be assembled with different types of installation clips 5 according to user requirements, which enhances the versatility of the utility model. Moreover, since the disassembling and assembling operation of the installation clamping part 5 is extremely simple, the user can replace the installation clamping part 5 by himself according to the vehicle model, so that the LED light source assembly can be adapted to the mounting hole.

The above are only preferred embodiments of the present utility model, and are not therefore limiting the patent scope of the present utility model. All equivalent structural transformations made by using the utility model specification and accompanying drawings are directly or indirectly used in other related technologies. Fields are all included in the scope of patent protection of the utility model in the same way.

Claims (7)

1. headlamp led light source assembly, the installation card-bit part that comprises radiator, the heating column that is connected with described radiator, is installed in the led light source on the described heating column and can mutually connects and fixes with the light source mounting hole of car headlight, it is characterized in that, described led light source is provided with two, and be installed in respectively on the two opposite sides wall of described heating column, form the double-side source; The installation card-bit part is individual components, be set with one for the connector that connects described installation card-bit part at described heating column, some grooves are put in lateral wall pressed on ring winding at described connector, be provided with some raised lines that can engage one by one with described groove in the inboard of described installation card-bit part, by engaging of described raised line and described groove, make the assembling of described installation card-bit part and described connector fixing.

2. headlamp according to claim 1 led light source assembly, it is characterized in that, described radiator is made by aluminum alloy materials, be the hollow setting, the rear end of described heating column is embedded the front port at described radiator, rear port at described radiator is covered with bonnet, and the led driver with described led light source electrical connection is installed in the middle vacancy of described radiator.

3. headlamp according to claim 2 led light source assembly is characterized in that, is respectively equipped with the mounting groove adaptive with described led light source at the upper and lower side wall surface of described heating column, and two described led light sources place respectively two described mounting grooves; Be provided with two passages in described heating column, an end of described passage and described mounting groove are corresponding and communicate one by one, and the other end of described passage communicates with the middle vacancy of described radiator; Two described led light sources wear out and described led driver electrical connection from described passage by two groups of wires respectively.

4. headlamp according to claim 3 led light source assembly is characterized in that, comprises that also one is used for the cover plate of fixing described led light source; Described led light source is the COB area source, comprise substrate and the some great power LEDs that are installed on the described substrate, described substrate is reached by circular position and forms with the tangent bar shaped position that is connected, described circular position, described great power LED is installed on the described circular position, and an end of described cover plate tilts to be compressed on the described bar shaped position.

5. headlamp according to claim 4 led light source assembly, it is characterized in that, be provided with sloping reflector and skewed slot at described heating column, described sloping reflector and described skewed slot correspondence are arranged on the forward and backward side of described mounting groove, described cover plate and described skewed slot are adaptive, described cover plate lid is located on the described skewed slot the outward-dipping setting of described sloping reflector described led light source relative to described cover plate.

6. headlamp according to claim 5 led light source assembly is characterized in that, described heating column is blunt ossphere shape behind the paracone, and described mounting groove is arranged on the leading section of described heating column, evenly scribbles reflecting coating on the outside wall surface of described heating column.

7. each described headlamp led light source assembly in 6 according to claim 1, it is characterized in that, lateral wall in described heating column rearward end is provided with at least two positioning keys and at least two screws, described screw and described positioning key alternative arrangement, be provided with the keyway corresponding with described positioning key and the connecting hole corresponding with described screw at described connector, described positioning key embeds the relative position of described heating column and described connector is fixed, and insert in described connecting hole and the described screw by screw, be spirally connected with described screw, described connector is fixed on the described heating column.

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