CN211575015U

CN211575015U - Integrated LED car lamp using aluminum profile as radiator

Info

Publication number: CN211575015U
Application number: CN201922461779.8U
Authority: CN
Inventors: 张健龙
Original assignee: Enping Shilan Lighting Electronic Co ltd
Current assignee: Enping Shilan Lighting Electronic Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-25
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses an integrated LED car lamp using aluminum profile as radiator, comprising a radiator, a photoelectric circuit board, a lamp panel clamping piece, a silica gel ring, a lamp holder, a fan protective cover and a power connector; the radiator comprises a lamp post and radiating fins at the tail of the lamp post, and a lamp holder is sleeved on the lamp post; a rectangular hole is formed in the lamp post, a space is formed in the inner side of the heat dissipation fins at the rear end of the heat radiator, the front end of the photoelectric circuit board penetrates out of the rectangular hole and is provided with a lamp panel clamping piece, a light emitting window is formed in the lamp panel clamping piece, and the LED lamp beads are exposed out of the light emitting window; the heat dissipation fins are provided with a gap, the two sides of the gap are provided with clamping grooves, and the heat dissipation fins are provided with power connectors; the rear end of the radiator is connected with the fan and is provided with a fan shield. The utility model discloses a radiating efficiency improves greatly, makes the power of LED car light bigger to promoted luminance, ensured that the vehicle traveles safer, because this car light is the integral type structure, very easy to assemble uses.

Description

Integrated LED car lamp using aluminum profile as radiator

Technical Field

The utility model relates to a car light especially relates to an utilize aluminium alloy to do integral type LED car light of radiator.

Background

The common structural form of the existing LED car lamp is that a working circuit is divided into two or more components which are connected in series through a cable, for example: firstly, a power supply plug is connected in series to an LED drive circuit through a cable to provide a power supply, then the drive circuit is connected in series to an LED lamp panel through the cable to provide stable working current and voltage required by a lamp bead, the whole set of components not only consumes labor hour and materials, but also occupies much more use space than a halogen bulb especially because the drive circuit needs to be provided with a heat dissipation metal shell during working, and causes inconvenience in installation or installation only by changing the original vehicle, or some vehicles cannot be used. In view of this, the market reflects the demand for the LED car light of the integrated structure, and the key point is that the product has no redundant and burdensome accessories, is simple and convenient to install, does not need to change anything on the original car, and can be obtained by plugging the product with the power supply connector of the original car; secondly, the brightness of the product is required to be sufficient for driving safety, namely, the power is high enough, but the working power is high, the heat is high, and the service life of the product is influenced by overheating. From the design point of view, one scheme is that the radiator main body can be made by adopting a die-casting alloy process, due to the limitations of the die-casting process and alloy materials used by the die-casting process and the like, the actual measurement result shows that the heat conductivity of the radiator made in the way is low, and although a forced convection heat dissipation fan is additionally arranged on the radiator, the radiator is still insufficient and not ideal for the LED car lamp requiring high-efficiency heat dissipation; in another scheme, an extruded aluminum profile is used to make a radiator through secondary addition, and according to published material physical property documents, metals with high-to-low thermal conductivity mainly comprise: the most cost-effective material for producing the car lamp is aluminum, the aluminum can be extruded into an aluminum profile application product form, according to the literature data of the material thermal conductivity, some extruded aluminum profiles basically have the excellent thermal conductivity of pure aluminum, and the extruded aluminum profiles have better thermal conductivity than the aluminum products manufactured by the die casting process, so the aluminum profile is very suitable for being used as a radiator of the LED car lamp. However, the manufacturing processes of the two are quite different, and a reasonable structure of the LED car lamp must be redesigned if the aluminum profile is used to achieve the ideal heat dissipation effect of the LED car lamp.

SUMMERY OF THE UTILITY MODEL

The utility model provides an it is not enough to solve the aforesaid, provides an utilize aluminium alloy to do integral type LED car light of radiator.

The above object of the present invention is achieved by the following technical solutions: an integrated LED car lamp using an aluminum profile as a radiator comprises the radiator, a photoelectric circuit board, a lamp panel clamping piece, a silica gel ring, a lamp holder, a fan shield and a power connector; the radiator comprises a lamp post and radiating fins at the tail of the lamp post, a groove is formed in the lamp post, a silica gel ring is installed on the lamp post, and a lamp holder is sleeved at the silica gel ring on the lamp post; the LED lamp comprises a lamp post, a radiator, a lamp panel clamping piece, a light emitting window and a light source, wherein a rectangular hole is formed in the lamp post, a space for hiding a photoelectric circuit board is formed in the inner side of a radiating fin at the rear end of the radiator, an LED lamp bead is arranged at the front end of the photoelectric circuit board, the front end of the photoelectric circuit board penetrates out of the rectangular hole, the lamp panel clamping piece is clamped, the light emitting window is arranged on the lamp panel clamping piece; the rear part of the photoelectric circuit board is positioned in the space, and the photoelectric circuit board, the lamp post and the lamp panel clamping piece are fixed together through screws; the heat dissipation fins are C-shaped and provided with a notch, clamping grooves are formed in two sides of the notch, and a power connector is mounted, so that the heat dissipation device is integrally formed into a ring shape and is connected with the photoelectric circuit board; the rear end of the radiator is connected with the fan, a fan shield is arranged on the radiator, and the fan is connected with the photoelectric circuit board.

Furthermore, the end of the heat dissipation fin of the radiator is provided with a clamping groove for fixing the fan shield, and the inner wall of the fan shield is punched with a buckling claw which protrudes inwards and is buckled in the clamping groove.

Furthermore, the radiator is formed by adopting an extruded aluminum profile with high thermal conductivity as a blank through secondary processing of processes such as turning and the like.

Furthermore, the surfaces of the radiating fins are made into a corrugated shape, the roots of the radiating fins are also provided with a plurality of screw holes for fixing the fan, and all characteristic directions on the aluminum profile are consistent with the extrusion direction of the aluminum profile.

Furthermore, the lamp panel clamping piece is made of metal materials and is made by adopting a sheet metal process.

Furthermore, the light emitting window is provided with a light distribution screen according to the requirements of the vehicle lamp type number, and the light distribution screen is used for shielding dazzling light which influences the driving safety.

Furthermore, the power connector is a connector specially made by matching with an integrated LED car lamp and consists of a framework made of insulating materials and metal terminals, the framework and the terminals are partially designed according to international standards except for the contact part of the framework and the original car connector, the framework is also provided with ribs which are fixedly connected with a clamping groove on a radiator, and the terminals are connected with contact pieces or wires which are bent according to required tracks and extend to a photoelectric circuit board.

Furthermore, the substrate of the photoelectric circuit board is made of pure copper materials and a thermoelectric separation technology, has high-efficiency heat conduction performance, and can quickly dissipate heat generated by the LED lamp beads during working; in addition, in order to save the space required by the installation of the car lamp and improve the installation trafficability, the lamp body is required to be miniaturized as much as possible, and the circuit of the photoelectric circuit board also adopts a double-sided circuit technology.

Furthermore, the contact or the lead of the power connector is electrically connected with the photoelectric circuit board through soldering.

Furthermore, the top of the fan shield is provided with a hollow part, and the side surface of the fan shield is provided with a yielding notch for the power connector.

Furthermore, the silica gel ring is arranged in an interlayer between the lamp post and the lamp holder, the surface of the silica gel ring is in close contact with the surfaces of the lamp post and the inner hole of the lamp holder to generate damping force action, the radiator and the lamp holder can be combined together with certain force, and the lamp post is pulled out of the lamp holder and separated from the lamp holder by the force in the opposite direction in the disassembling method. It should be noted that: the damping force generated among the three must be adjusted during design is much larger than the force of the radiator naturally loosening on the lamp cap, and the radiator and the lamp cap can not loosen under the external force action of non-manual force. In addition, the damping force can also generate the function of adjusting the multi-angle light emission of the car lamp when the radiator is manually rotated, so that the optimal light emission angle of the car lamp matched with the reflector is obtained.

Another structure form of combining the heat radiator and the lamp cap is shown as an example implementation, wherein the lamp cap is provided with one more accessory which is matched with the silica gel ring to play a locking role, the accessory is fixed on the lamp post by screws, then the silica gel ring and the lamp cap are sleeved to the end in sequence, the lamp cap is fixed, the heat radiator is rotated to a stop position, at the moment, the heat radiator and the lamp cap are combined together through the locking mechanism effect on the lamp cap and the accessory, and the disassembling method can be completed by using the action opposite to the assembling action.

Compared with the prior art, the utility model the advantage be: the utility model discloses a radiating efficiency improves greatly, makes the power of LED car light bigger to promoted luminance, ensured that the vehicle traveles safer, because this car light is the integral type structure, very easy to assemble uses.

Drawings

Fig. 1 is a schematic view of the cross-sectional structure of the aluminum profile of the present invention;

fig. 2 and 3 are schematic structural diagrams of universal power connectors of H1 and H3 according to the present invention;

fig. 4 and 5 are schematic structural diagrams of a power connector of the present invention, model H4;

fig. 6 and 7 are schematic structural diagrams of a power connector of the invention, model H7;

fig. 8 and 9 are schematic structural diagrams of a power connector of the invention, model H11;

fig. 10 and 11 are schematic structural views of a power connector of the invention, model H13;

fig. 12 and 13 are schematic structural views of model 9005, 9006 and 9012 universal power connectors of the present invention;

fig. 14 and 15 are schematic structural diagrams of model 9004 and 9007 power connectors of the present invention;

FIG. 16 is an exploded view of the vehicle lamp of the present invention, model H7;

fig. 17 and 18 are schematic structural combination diagrams of a model H7 vehicle lamp according to the present invention;

FIG. 19 is an exploded view of the vehicle lamp of the present invention, model H11;

fig. 20 and 21 are schematic structural combination diagrams of a model H11 vehicle lamp according to the present invention;

FIG. 22 is an exploded view of the model 9005 vehicular lamp of the present invention;

fig. 23 and 24 are schematic structural combination diagrams of a model 9005 vehicle lamp of the present invention;

FIG. 25 is an exploded view of the model 9006 vehicular lamp of the present invention;

fig. 26 and 27 are schematic structural combination diagrams of a model 9006 vehicle lamp of the present invention;

fig. 28 is an exploded view of the model 9012 vehicle lamp of the present invention;

fig. 29 and 30 are schematic structural combination diagrams of a model 9012 vehicle lamp of the present invention;

FIG. 31 is an exploded view of the vehicle lamp of the present invention, model H1;

fig. 32 and 33 are schematic structural combination diagrams of a model H1 vehicle lamp according to the present invention;

FIG. 34 is an exploded view of the vehicle lamp of the present invention, model H3;

fig. 35 and 36 are schematic structural combination diagrams of a vehicle lamp of type H3 according to the present invention;

fig. 37 is an exploded view of the model H4 vehicle lamp of the present invention;

fig. 38 and 39 are schematic structural combination diagrams of a model H4 vehicle lamp according to the present invention;

FIG. 40 is an exploded view of the vehicle lamp of the present invention, model H13;

fig. 41 and 42 are schematic structural combination diagrams of a model H13 vehicle lamp according to the present invention;

fig. 43 is an exploded view of the model 9004 and 9007 universal car lights of the present invention;

fig. 44 and 45 are schematic diagrams of the combination of model 9004 and 9007 universal vehicle lights.

All reference numerals in the figures denote respectively: 1. a heat sink; 11. a lamp post; 12. a groove pit; 13. A space for hiding the circuit board; 14. a card slot; 100. an aluminum profile; 101. heat dissipation fins; 102. A rectangular hole; 103. a screw hole; 104. a card slot; 2. a photoelectric circuit board; 21. LED lamp beads; 200. a power supply connector; 201. a power connector backbone; 202. a rib; 203. a terminal; 204. a contact piece; 205. a wire; 3. a lamp panel clamping piece; 31. a window; 32. a light distribution screen; 4. a silica gel ring; 5. a lamp cap; 6. a fan; 7. a fan shroud; 71. A notch; 72. buckling claws; 73. and (6) hollowing out.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 18, an integrated LED car light using an aluminum profile as a heat sink includes a heat sink 1, a photoelectric circuit board 2, a lamp panel clip 3, a silicone ring 4, a lamp cap 5, a fan 6, a fan shield 7, and a power connector 200; the radiator 1 comprises a lamp post 11 and radiating fins 101 at the tail of the lamp post, a groove 12 is arranged on the lamp post 11, a silica gel ring 4 is installed on the groove, and a lamp holder 5 is sleeved at the silica gel ring 4 on the lamp post 11; a rectangular hole 102 is formed in the lamp post 11, a space 13 for hiding the photoelectric circuit board is formed in the inner side of a heat dissipation fin 101 at the rear end of the heat sink 1, an LED lamp bead 21 is arranged at the front end of the photoelectric circuit board 2, the front end of the photoelectric circuit board penetrates through the rectangular hole 102 and is clamped with a lamp panel clamping piece 3, a light emitting window 31 is formed in the lamp panel clamping piece 3, and the LED lamp bead 21 is exposed out of the light emitting window 31 (as shown in fig. 16-36); the rear part of the photoelectric circuit board 2 is positioned in the space 13, and the photoelectric circuit board 2 is fixed on the lamp post 11 and the lamp panel clamping piece 3 through screws; the heat dissipation fins 101 are C-shaped and provided with a notch, the two sides of the notch are provided with clamping grooves 104 and are provided with power connectors 200, so that the heat sink 1 is integrally formed into a ring shape, and the power connectors 200 are connected with the photoelectric circuit board 2; the rear end of the radiator 1 is connected with a fan 6, a fan shield 7 is arranged, and the fan 6 is connected with the photoelectric circuit board 2.

Furthermore, the end of the heat sink 1 of the heat dissipation fin 101 is provided with a slot 14 for fixing the fan shroud 7, and the inner wall of the fan shroud 7 is stamped with a snap claw 72 protruding inwards and is snapped in the slot 14.

Further, the heat sink 1 is formed by performing secondary processing on a blank by using an extruded aluminum profile 100 with high thermal conductivity through processes such as turning.

Furthermore, the surface of the heat dissipation fins 101 is corrugated, the root of the heat dissipation fins is provided with a plurality of screw holes 103 for fixing the fan 7, and all characteristic directions on the aluminum profile are consistent with the extrusion direction of the aluminum profile.

Furthermore, the lamp panel clamping piece 3 is made of metal materials and is made by adopting a sheet metal process.

Further, as shown in fig. 37 to 45, the light exit window 31 is provided with a light distribution screen 32 according to the need of the lamp type, which is used for shielding dazzling light affecting traffic safety.

Further, the power connector 200 is a connector specially made for matching with an integrated LED car lamp, and is composed of a framework 201 made of an insulating material and a metal terminal 203, the framework 201 and the terminal 203 are partially designed according to international standards, besides the contact part of the framework 201 and the terminal 203, the framework 201 is further provided with a rib 202 which is fixedly connected with a clamping groove 104 on the radiator 1, and the terminal 203 is connected with a contact piece 204 or a lead 205 which is bent according to a required track and extends to a photoelectric circuit board.

Furthermore, the substrate of the photoelectric circuit board 2 is made of pure copper materials and a thermoelectric separation technology, has high-efficiency heat conduction performance, and can quickly dissipate heat generated by the LED lamp beads 21 during working; in addition, in order to save the space required for installing the car lamp and improve the installation trafficability, the lamp body should be miniaturized as much as possible, and the circuit of the photoelectric circuit board 2 also adopts a double-sided circuit technology.

Further, the contact 204 or the lead 205 of the power connector 200 is electrically connected to the optoelectronic circuit board 2 by soldering.

Further, the top of the fan shield 7 is provided with a hollow 73, and the side of the fan shield is provided with a recess 71 for providing a recess for the power connector 200.

Furthermore, the silica gel ring 4 is arranged in an interlayer between the lamp post 11 and the lamp holder 5, the surface of the silica gel ring 4 is tightly contacted with the surfaces of the lamp post 11 and the inner hole of the lamp holder 5 to generate damping force action, the radiator 1 and the lamp holder 5 can be combined together with certain force, and the lamp post 11 is pulled out of the lamp holder 5 by the force in the opposite direction in the disassembling method. It should be noted that: the damping force generated among the three must be adjusted during design is much larger than the force of the radiator 1 naturally loosening on the lamp cap 5, and the radiator 1 and the lamp cap 5 can not loosen under the external force action of non-manual force. In addition, the damping force can also generate the function of adjusting the multi-angle light emission of the car lamp when the radiator 1 is manually rotated, so that the optimal light emission angle of the car lamp matched with the reflector is obtained.

As shown in fig. 37 to 45, another structure form of combining the heat sink 1 and the lamp head 5 is shown as an example implementation, wherein the lamp head 5 has one more accessory to cooperate with the silica gel ring 4 to play a locking function, the accessory is fixed on the lamp post 11 by screws, then the silica gel ring 4 and the lamp head 5 are sleeved to the end in sequence, the lamp head 5 is fixed and the heat sink 1 is rotated to a stop position, at this time, the heat sink 1 and the lamp head 5 are combined together by a locking mechanism on the lamp head 5 and the accessory, and the disassembling method can be completed by using an action opposite to the assembling.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides an utilize aluminium alloy to make integral type LED car light of radiator which characterized in that: the LED lamp comprises a radiator, a photoelectric circuit board, a lamp panel clamping piece, a silica gel ring, a lamp cap, a fan protective cover and a power connector; the radiator comprises a lamp post and radiating fins at the tail of the lamp post, a groove is formed in the lamp post, a silica gel ring is installed on the lamp post, and a lamp holder is sleeved at the silica gel ring on the lamp post; the LED lamp comprises a lamp post, a radiator, a lamp panel clamping piece, a light emitting window and a light source, wherein a rectangular hole is formed in the lamp post, a space for hiding a photoelectric circuit board is formed in the inner side of a radiating fin at the rear end of the radiator, an LED lamp bead is arranged at the front end of the photoelectric circuit board, the front end of the photoelectric circuit board penetrates out of the rectangular hole, the lamp panel clamping piece is clamped, the light emitting window is arranged on the lamp panel clamping piece; the rear part of the photoelectric circuit board is positioned in the space, and the photoelectric circuit board, the lamp post and the lamp panel clamping piece are fixed together through screws; the heat dissipation fins are C-shaped and provided with a notch, clamping grooves are formed in two sides of the notch, and a power connector is mounted, so that the heat dissipation device is integrally formed into a ring shape and is connected with the photoelectric circuit board; the rear end of the radiator is connected with the fan, a fan shield is arranged on the radiator, and the fan is connected with the photoelectric circuit board.

2. The integrated LED car lamp using the aluminum profile as the radiator according to claim 1, characterized in that: the end part of the radiating fin of the radiator is provided with a clamping groove for fixing the fan shield, and the inner wall of the fan shield is stamped with a buckling claw which protrudes inwards and is buckled in the clamping groove.

3. The integrated LED car lamp using the aluminum profile as the radiator according to claim 1, characterized in that: the radiator is formed by adopting an extruded aluminum profile with high thermal conductivity as a blank through secondary processing by a turning process; the surface of the radiating fin is made into a corrugated shape, the root of the radiating fin is also provided with a plurality of screw holes for fixing the fan, and all characteristic directions on the aluminum section are consistent with the extrusion direction of the aluminum section.

4. The integrated LED car lamp using the aluminum profile as the radiator according to claim 1, characterized in that: the lamp panel clamping piece is made of metal materials and is made by adopting a sheet metal process.

5. The integrated LED car lamp using the aluminum profile as the radiator according to claim 1, characterized in that: the light ray emitting window is provided with a light distribution screen according to the requirement of the vehicle lamp type number.

6. The integrated LED car lamp using the aluminum profile as the radiator according to claim 1, characterized in that: the power connector is specially made by matching with an integrated LED car lamp and consists of a framework made of insulating materials and a metal terminal, the framework and the terminal are partially designed according to international standards except for the contact part of the framework and the original car connector, the framework is also provided with ribs which are fixedly connected with a clamping groove on a radiator, and the terminal is connected with a contact piece or a lead which is bent according to a required track and extends to a photoelectric circuit board.

7. The integrated LED car lamp using the aluminum profile as the radiator according to claim 1, characterized in that: the substrate of the photoelectric circuit board is made of pure copper materials and a thermoelectric separation technology.

8. The integrated LED car lamp using the aluminum profile as the radiator according to claim 1, characterized in that: and the contact piece or the lead of the power connector is electrically connected with the photoelectric circuit board through soldering.

9. The integrated LED car lamp using the aluminum profile as the radiator according to claim 1, characterized in that: the top of the fan shield is provided with a hollow part, and the side surface of the fan shield is provided with a yielding notch for the power connector.

10. The integrated LED car lamp using the aluminum profile as the radiator according to claim 1, characterized in that: the silica gel ring is arranged in an interlayer between the lamp post and the lamp holder, and the surface of the silica gel ring is in close contact with the surfaces of the lamp post and the inner hole of the lamp holder to generate damping force action.