CN214468341U

CN214468341U - LED headlight with composite light source plate

Info

Publication number: CN214468341U
Application number: CN202120712862.2U
Authority: CN
Inventors: 双军
Original assignee: Dongguan Yiju Electronic Technology Co ltd
Current assignee: Dongguan Yiju Electronic Technology Co ltd
Priority date: 2021-04-08
Filing date: 2021-04-08
Publication date: 2021-10-22
Anticipated expiration: 2031-04-08

Abstract

The utility model discloses a LED headlight with a composite light source plate, which comprises a radiator, a lamp post and a composite lamp plate arranged in the lamp post; the composite lamp panel comprises a lamp panel main board and auxiliary heat conducting plates respectively arranged on two side surfaces of the lamp panel main board; the two side surfaces of the lamp panel main board are respectively provided with a light-emitting chip; the auxiliary heat conducting plate is provided with a first avoiding groove for the light-emitting chip to penetrate out; the utility model discloses in, compound lamp plate by lamp plate mainboard and setting are in supplementary heat-conducting plate on the lamp plate mainboard both sides face is constituteed, just be equipped with the confession on the supplementary heat-conducting plate the first groove of keeping away that luminous chip wore out makes luminous chip can pass supplementary heat-conducting plate is directly installed on the lamp plate mainboard for thereby luminous chip installation position is thinner than the thickness of whole compound lamp plate and guarantees the spotlight nature of luminous chip, and two supplementary heat-conducting plate laminating with on the lamp plate mainboard, can guarantee again compound lamp plate thickness ensures the stable heat-sinking capability of compound lamp plate.

Description

LED headlight with composite light source plate

Technical Field

The embodiment of the utility model provides a LED lamp technical field especially relates to a take LED headlight of compound light source board.

Background

The LED is a short name of Light Emitting Diode, is commonly called as a Light Emitting Diode, and is an important component of automobile tail lamps, high-mount stop lamps and daytime running lamps nowadays. Advantages of LED headlamps for automobiles, the LED light source (not limited to headlamps) has the following benefits: the LED lamp has the advantages of energy conservation, long service life, good durability, small volume of LED elements, compactness, convenience in arrangement and modeling design, high response speed, low brightness attenuation and the like.

When the LED lamp is assembled, the driving chip and the light emitting chip are usually installed on the lamp panel together to be deleted, so that the light emitting chip is driven to emit light and a radiating effect is achieved, the lamp panel of the LED headlamp with double-sided light emission is a single-layer copper substrate, the thickness of the copper substrate is in the range of 1.0-2.5mm at present, the light of the 1.0 thick copper substrate is focused, but the heat conduction capacity is limited and large power cannot be achieved, the 2.5 thick copper plate can be large in power but not focused, the light type is not good, and therefore the heat dissipation capacity of the light emitting chip can not be guaranteed while the focusing of the existing lamp panel is guaranteed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a solve the technical problem who proposes among the above-mentioned background art, provide a take LED headlight of compound light source board.

The utility model provides a LED headlight with a composite light source plate, which comprises a radiator, a lamp pole connected with the radiator and a composite lamp plate arranged in the lamp pole; the composite lamp panel comprises a lamp panel main board and two auxiliary heat conducting plates which are respectively arranged on two side surfaces of the lamp panel main board; the two side surfaces of the lamp panel main board are respectively provided with a light-emitting chip; the auxiliary heat conducting plate is provided with a first avoiding groove for the light-emitting chip to penetrate out.

Further, a heat dissipation coating is arranged between the lamp panel main board and the auxiliary heat conducting plate.

Further, the heat dissipation coating is a graphene coating or a liquid metal layer.

Furthermore, the heat sink comprises a heat sink, a fan housing mounted on the heat sink, a heat sink fan mounted in the fan housing, and a driving member for driving the heat sink fan to operate.

Furthermore, one of the auxiliary heat conducting plates has the same length as the lamp panel main board; another length of supplementary heat-conducting plate is less than the length of lamp plate mainboard makes two supplementary heat-conducting plate laminating sets up when on the lamp plate mainboard, it has the installation department that is used for installing IC control chip to remain on the lamp plate mainboard.

Furthermore, a second avoidance groove for the light-emitting chip to penetrate out is formed in the lamp post corresponding to the first avoidance groove.

Further, the LED headlamp with the composite light source plate also comprises an installation part clamped on the lamp post; a plurality of clamping pieces are arranged on the outer side of the lamp post; the mounting piece is provided with a hollow cavity for the lamp post to pass through; and a guide groove for the directional movement of the clamping piece is arranged on the inner side wall of the cavity.

Further, the guide groove comprises an orientation groove and a limiting groove connected with the orientation groove to limit the lamp post in the mounting piece; and a guide surface is arranged in the limiting groove.

Furthermore, a diamond layer is arranged on the outer side wall of the fan shell.

Furthermore, the lamp post comprises a first rod body and a second rod body detachably connected with the first rod body; the first rod body and the second rod body are provided with lamp panel position avoiding parts; when the first rod body and the second rod body are assembled together, the lamp panel position avoiding part on the first rod body and the lamp panel position avoiding part on the second rod body jointly form a lamp panel groove for installing the composite lamp panel.

Adopt foretell technical scheme, the utility model discloses it is to have at least following beneficial effect: the utility model discloses in, compound lamp plate by lamp plate mainboard and setting are in supplementary heat-conducting plate on the lamp plate mainboard both sides face is constituteed, just be equipped with the confession on the supplementary heat-conducting plate the first groove of keeping away that luminous chip wore out makes luminous chip can pass supplementary heat-conducting plate is directly installed on the lamp plate mainboard for thereby luminous chip installation position is thinner than the thickness of whole compound lamp plate and guarantees the spotlight nature of luminous chip, and two supplementary heat-conducting plate laminating with on the lamp plate mainboard, can guarantee again compound lamp plate thickness ensures the stable heat-sinking capability of compound lamp plate.

Drawings

Fig. 1 is an exploded view of the LED headlamp with a composite light source plate according to the present invention.

Fig. 2 is a perspective view of the LED headlamp with a composite light source plate according to the present invention.

Fig. 3 is a perspective view of the lamp post and the heat sink of the LED headlamp with the composite light source plate of the present invention.

Fig. 4 is a perspective view of the composite lamp panel of the LED headlamp with the composite light source plate according to the present invention.

Fig. 5 is a perspective view of the auxiliary heat-conducting plate of the LED headlamp with a composite light source plate according to the present invention.

Fig. 6 is a perspective view of the mounting member of the LED headlamp with a composite light source plate according to the present invention.

Fig. 7 is another perspective view of the mounting member of the LED headlamp with a composite light source plate according to the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. It should be understood that the embodiments described below by referring to the drawings are exemplary for explaining the present invention, and are not to be construed as limiting the present invention, and features in the embodiments of the present invention may be combined with each other without conflict.

As shown in fig. 1-7, the utility model provides a LED headlight with a composite light source board, which comprises a heat sink, a lamp post 2 connected with the heat sink, and a composite lamp board installed in the lamp post 2; the composite lamp panel comprises a lamp panel mainboard 11 and two auxiliary heat-conducting plates 12 which are respectively arranged on two side faces of the lamp panel mainboard 11.

In this embodiment, compound lamp plate by lamp plate mainboard 11 and setting are in supplementary heat-conducting plate 12 on the 11 both sides face of lamp plate constitutes, just be equipped with the confession on supplementary heat-conducting plate 12 the first groove 121 of keeping away that luminous chip 4 wore out for luminous chip 4 can pass supplementary heat-conducting plate 12 is directly installed on lamp plate mainboard 11 for thereby luminous chip 4 installation position is thinner than the thickness of whole compound lamp plate and guarantees the spotlight nature of luminous chip 4, and two supplementary heat-conducting plate 12 laminating with on the lamp plate mainboard 11, can guarantee again compound lamp plate thickness ensures the stable heat-sinking capability of compound lamp plate.

In an optional embodiment, the lamp panel main board 11 is a copper substrate with a thickness of 0.8mm, and the auxiliary heat conducting plate 12 is a copper substrate with a thickness of 1.0 mm; the light-emitting chip 4 respectively penetrates through the two auxiliary heat conducting plates 12 and is installed on the lamp panel main board 11; the light-emitting chip 4 is directly contacted with the lamp panel mainboard 11, so that the copper substrate with the thickness of 0.8mm can ensure the light-gathering property of the light-emitting chip 4 (the thinner the copper substrate is, the better the light-gathering property of the light-emitting chip 4 is); and the whole thickness of compound lamp plate is 1.0mm +1.0mm +0.8mm, slightly is greater than 2.5 mm's on the market lamp plate, thereby has strengthened the heat conductivility and can guarantee the heat-sinking capability of lamp plate to emitting chip 4 to guarantee emitting chip 4's stable luminous.

In a specific embodiment, a heat dissipation coating is disposed between the lamp panel main board 11 and the auxiliary heat conduction plate 12; through be in the lamp plate mainboard 11 with be equipped with the heat dissipation coating between the supplementary heat-conducting plate 12 to can further strengthen the heat-sinking capability of the LED headlight of taking compound light source board.

In an optional embodiment, the heat dissipation coating is a graphene coating or a liquid metal layer; the heat dissipation capacity of the LED headlamp with the composite light source plate can be further enhanced through the high heat dissipation performance of the graphene coating and the liquid metal layer; it is emphasized that, the utility model provides a heat dissipation coating except can using outside graphite alkene coating or the liquid metal layer, can also use the coating of other high heat conduction materials, only need improve the heat-sinking capability of compound lamp plate can.

In one embodiment, the heat sink includes a heat sink 51, a fan housing 52 mounted on the heat sink 51, a heat sink fan 53 mounted in the fan housing 52, and a driving member for driving the heat sink fan 53; in this embodiment, compound lamp plate passes lamp pole 2 with fin 51 contacts to make fin 51 can be right the heat of compound lamp plate carries out the heat conduction, thereby plays radiating effect, the driving piece drive radiator fan 53 rotates, has further improved the heat dissipation case of compound lamp plate, thereby guarantees that luminescent chip 4's stability is luminous.

In a specific embodiment, one of the auxiliary heat-conducting plates 12 has the same length as the lamp panel main board 11; the length of the other auxiliary heat-conducting plate 12 is smaller than that of the lamp panel mainboard 11, so that the two auxiliary heat-conducting plates 12 are attached to the lamp panel mainboard 11, and the lamp panel mainboard 11 is reserved with an installation part 111 for installing the IC control chip 6. In this embodiment, through with one of them supplementary heat-conducting plate 12's length sets to the length that is less than lamp plate mainboard 11, thereby makes it has installation department 111, easy to assemble that is used for installing IC control chip 6 to leave on the lamp plate mainboard 11 IC control chip 6, IC control chip 6 with luminescence chip 4 links to each other, is used for control luminescence chip 4's luminous state to the output of luminescence chip 4 is adjusted according to lamp plate mainboard 11's temperature, thereby can effectual protection luminescence chip 4. And another length of supplementary heat-conducting plate 12 with the length of lamp plate mainboard 11 is the same to what can be better dispels the heat to lamp plate mainboard 11.

In a specific embodiment, a second avoiding groove 21 for the light emitting chip 4 to penetrate out is arranged on the lamp post 2 corresponding to the first avoiding groove 121; therefore, the light beam of the light emitting chip 4 can penetrate out of the lamp post 2, and the lighting effect is realized.

In a specific embodiment, the LED headlamp with the composite light source plate further comprises a mounting member 3 clamped on the lamp post 2; the LED headlamps with the composite light source plate are assembled on corresponding automobiles through the mounting pieces 3, and a plurality of clamping pieces 25 are arranged on the outer side of the lamp post 2; the mounting part 3 is provided with a hollow cavity 31 for the lamp post to pass through; the lamp post 2 is arranged in the mounting part 3 by matching the clamping part 25 with the guide groove 311, so that the mounting part 3 can be clamped with the relevant part of the vehicle, and the LED headlamp with the composite light source plate is assembled on the vehicle.

In one embodiment, the guide slot 311 includes a guide slot 3111 and a limit slot 3112 connected to the guide slot 3111 to limit the light pole in the mounting member; during assembly, the clamping piece 25 on the lamp post 2 passes through the orientation groove 3111 and reaches the limiting groove 3112, and the limiting groove 3112 can clamp the clamping piece 25, so that the lamp post 2 is prevented from falling out of the mounting piece 3; the depth of the limiting groove 3112 is greater than the length of the clamping piece 25, so that the clamping piece 25 can move in the limiting groove 3112, and the position of the lamp post 2 in the mounting piece 3 is adjusted, so that the position of the light-emitting chip 4 is adjusted; specifically, the number of the clamping pieces 25 is two; two corresponding guide grooves 311 are provided; and two the opening direction of spacing groove 3112 is clockwise or is anticlockwise simultaneously, thereby can be through rotating lamp pole 2 realizes right luminescent chip 4's adjustment.

In one embodiment, a guide surface 31121 is disposed in the notch 3112; the guide surface 31121 is inclined toward the inside of the notch 3112 along the opening direction of the notch 3112, so that the card 25 can slide into the notch 3112 along the guide surface 31121 after passing through the slot 3111; when the lamp post 2 needs to be taken out, the lamp post 2 can slide out of the limiting groove 3112 along the guide surface 31121, so that the lamp post can be separated from the mounting part 3 along the orientation groove 3111.

In a specific embodiment, the outer sidewall of the fan casing 52 is provided with a diamond layer 521; therefore, the appearance attractiveness of the LED headlamp with the composite light source plate can be improved, and the purchase desire of consumers is improved.

In one embodiment, the light pole 2 comprises a first pole 23 and a second pole 24 detachably connected to the first pole 23; the first rod body 23 and the second rod body 24 are both provided with a lamp panel clearance part 25; when the first rod body 23 and the second rod body 24 are assembled together, the lamp panel clearance part 25 on the first rod body 23 and the lamp panel clearance part 25 on the second rod body 24 jointly form a lamp panel groove for installing the composite lamp panel; through inciting somebody to action 2 sets to and comprises the first body of rod 23 of detachable and the second body of rod 24, thereby makes the first body of rod 23 reaches the second body of rod 24 can laminate more with on the compound lamp plate, play better radiating effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these examples without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a take LED headlight of compound light source board which characterized in that: the lamp comprises a radiator, a lamp post connected with the radiator and a composite lamp panel arranged in the lamp post; the composite lamp panel comprises a lamp panel main board and two auxiliary heat conducting plates which are respectively arranged on two side surfaces of the lamp panel main board; the two side surfaces of the lamp panel main board are respectively provided with a light-emitting chip; the auxiliary heat conducting plate is provided with a first avoiding groove for the light-emitting chip to penetrate out.

2. The LED headlamp with a composite light source plate as defined in claim 1, wherein: the lamp plate mainboard with be equipped with the heat dissipation coating between the supplementary heat-conducting plate.

3. The LED headlamp with a composite light source plate as defined in claim 2, wherein: the heat dissipation coating is a graphene coating or a liquid metal layer.

4. The LED headlamp with a composite light source plate as defined in claim 1, wherein: the radiator comprises radiating fins, a fan shell arranged on the radiating fins, a radiating fan arranged in the fan shell and a driving piece used for driving the radiating fan to operate.

5. The LED headlamp with a composite light source plate as defined in claim 1, wherein: one auxiliary heat conducting plate is as long as the lamp panel main board; another length of supplementary heat-conducting plate is less than the length of lamp plate mainboard makes two supplementary heat-conducting plate laminating sets up when on the lamp plate mainboard, it has the installation department that is used for installing IC control chip to remain on the lamp plate mainboard.

6. The LED headlamp with a composite light source plate as defined in claim 1, wherein: and a second avoidance groove for the light-emitting chip to penetrate out is arranged on the lamp post corresponding to the first avoidance groove.

7. The LED headlamp with a composite light source plate as defined in claim 1, wherein: the LED headlamp with the composite light source plate further comprises an installation part clamped on the lamp post; a plurality of clamping pieces are arranged on the outer side of the lamp post; the mounting piece is provided with a hollow cavity for the lamp post to pass through; and a guide groove for the directional movement of the clamping piece is arranged on the inner side wall of the cavity.

8. The LED headlamp with a composite light source plate as defined in claim 7, wherein: the guide groove comprises a directional groove and a limiting groove connected with the directional groove so as to limit the lamp post in the mounting piece; and a guide surface is arranged in the limiting groove.

9. The LED headlamp with the composite light source board as claimed in claim 4, wherein: and a diamond-inlaid layer is arranged on the outer side wall of the fan shell.

10. The LED headlamp with a composite light source board as defined in claim 1, wherein the lamp post comprises a first post body and a second post body detachably connected to the first post body; the first rod body and the second rod body are provided with lamp panel position avoiding parts; when the first rod body and the second rod body are assembled together, the lamp panel position avoiding part on the first rod body and the lamp panel position avoiding part on the second rod body jointly form a lamp panel groove for installing the composite lamp panel.