CN209977910U

CN209977910U - LED car light and vehicle

Info

Publication number: CN209977910U
Application number: CN201920707829.3U
Authority: CN
Inventors: 吴勇
Original assignee: Shenzhen Flame Arc Technology Co Ltd
Current assignee: Shenzhen Flame Arc Technology Co Ltd
Priority date: 2019-05-17
Filing date: 2019-05-17
Publication date: 2020-01-21
Anticipated expiration: 2029-05-17

Abstract

The utility model provides a LED car light and vehicle, including LED light-emitting component, be used for holding the lamp column body of LED light-emitting component, set up the radiator at the end of lamp column body, set up in the terminal limiting plate that is located in the inner chamber of radiator of LED light-emitting component; the periphery of the limiting plate abuts against the periphery of the side face of the inner cavity of the heat radiation body, and the surface, facing the LED light-emitting assembly, of the limiting plate abuts against the bottom face of the inner cavity of the heat radiation body. The periphery of the limiting plate abuts against the periphery of the side face of the inner cavity of the radiator, so that the LED light-emitting component connected to the limiting plate is located on the central axis in the lamp post body, the LED light-emitting component is prevented from offsetting the central position in the lamp body, the limiting plate faces towards the surface of the LED light-emitting component and abuts against the bottom face of the inner cavity of the radiator, the position of the light-emitting component and the position of the lamp post body are limited in the assembling process of the LED car lamp, the assembling difficulty is reduced, and the effect of facilitating car lamp assembling is achieved.

Description

LED car light and vehicle

Technical Field

The utility model belongs to the technical field of the automotive lighting technique and specifically relates to a LED car light and vehicle.

Background

At present, most of automobiles have original automobile lamps which are halogen lamps, wherein the halogen lamps are point light sources, and reflection cups or lenses of the automobile lamps are designed according to the characteristic that the halogen lamps are the point light sources, but the halogen lamps have high energy consumption, slow response speed, short service life and low brightness compared with LED lamps, so more and more people can replace the halogen lamps with the LED automobile lamps.

The existing LED car lamp structurally and generally adopts a half-body structure with symmetrical two sides to form a whole after being connected through screws, and in the structure, because an LED light-emitting component is of a long strip-shaped structure, when the LED light-emitting component is arranged in the half-body structure of a semicircular structure, the position is not easy to fix, firstly, the long strip-shaped LED light-emitting component is easy to shift the central position in a lamp body, and secondly, the long strip-shaped LED light-emitting component and a lamp hole positioned on a lamp post can move relatively, so that the assembly difficulty is caused.

In summary, the existing lamppost adopts two symmetrical half bodies for splicing, so that the installation position of the LED circuit board is not easy to be limited during assembly, and the problem of difficult assembly of the vehicle lamp during assembly is caused.

Accordingly, the prior art is yet to be improved and developed.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, provide a LED car light and vehicle, have the position that makes LED light-emitting component in the lamp body and prescribe a limit to play the effect that the car light of being convenient for carries out the equipment.

The utility model provides a technical scheme that technical problem adopted as follows:

an LED car lamp comprises an LED light-emitting component, a lamp post body used for accommodating the LED light-emitting component, a heat dissipation body detachably arranged at the tail end of the lamp post body, and a limiting plate detachably arranged at the tail end of the LED light-emitting component and located in an inner cavity of the heat dissipation body;

the periphery of the limiting plate abuts against the periphery of the side face of the inner cavity of the heat radiation body, and the surface, facing the LED light-emitting assembly, of the limiting plate abuts against the bottom face of the inner cavity of the heat radiation body.

Further, the LED light-emitting component comprises an LED lamp circuit board and a driving circuit board connected to the rear end of the LED lamp circuit board; the driving circuit board is electrically connected with the LED lamp circuit board; the tail end of the driving circuit board is provided with a clamping block, and a clamping interface matched with the clamping block is formed in the limiting plate.

Furthermore, a plurality of LED lamp beads are arranged on two sides of the LED lamp circuit board.

Furthermore, the lamp post body comprises a lamp post shell and a lamp post cover plate which is positioned at the upper part of the lamp post shell and is detachably connected to the lamp post shell; the lamp post cover plate and the lamp post shell are both provided with lamp holes, and the LED lamp beads are located in the lamp holes.

Furthermore, the tail end of the heat radiation body is detachably connected with a metal sleeve, the inner circle of the metal sleeve is matched with the inner cavity of the heat radiation body to form a ventilation inner cavity with one open end, and a fan is arranged in the ventilation inner cavity.

Further, the metal sleeve is sleeved on the excircle of the heat radiation body and is fixedly connected to the excircle of the heat radiation body through screws.

Further, the wire clip also comprises a wire clip, wherein the wire clip is provided with a clamping part; the joint groove that suits with this joint portion is seted up to the butt department of radiator with the metal covering, joint portion joint is in the joint inslot.

Furthermore, the heat dissipation body comprises a cylinder main body connected with the lamp post body and a plurality of convex parts uniformly distributed on the outer side wall of the cylinder main body along the circumferential direction; the convex part extends along the axial direction of the cylinder body and is provided with a heat dissipation hole. The heat dissipation holes are communicated with the inner cavity of the heat dissipation body.

Furthermore, the lamp post further comprises a retaining ring, and the retaining ring is sleeved on the outer surface of the lamp post body.

A vehicle comprises the LED vehicle lamp.

The beneficial effect who adopts above-mentioned scheme is: the utility model provides a pair of LED car light and vehicle supports through the periphery that sets up the limiting plate that is arranged in the inner chamber of radiator and supports the side periphery of the inner chamber of radiator to make the LED light-emitting component of connection on the limiting plate be located on the axis in the lamp post, prevent that LED light-emitting component from putting at the lamp body internal deviation central point, the limiting plate orientation LED light-emitting component's surface supports and supports the bottom surface of the inner chamber of radiator to make the LED light-emitting component of connection on the limiting plate at the axial rigidity of lamp post, not produce the axial offset, restricted the position removal of light-emitting component with the lamp post body at the LED car light in the assembling process, reduce the assembly degree of difficulty, realize the effect of the car light equipment of being convenient for.

Drawings

Fig. 1 is an exploded view of an embodiment of the LED vehicle lamp of the present invention.

Fig. 2 is an explosion diagram of the limiting plate and the LED light emitting assembly according to the embodiment of the LED car lamp.

Fig. 3 is a schematic structural diagram of the LED vehicle lamp of the present invention.

Fig. 4 is a schematic structural diagram of a lamp post according to another embodiment of the LED vehicle lamp of the present invention.

In the figure: 100. a lamp post; 110. a lamp post housing; 120. a lamp post cover plate; 130. a lamp hole; 140. a convection hole; 150. a light reflecting cup; 200. a heat sink; 210. a cylindrical body; 220. a convex portion; 230. heat dissipation holes; 300. an LED light emitting assembly; 310. an LED lamp circuit board; 320. LED lamp beads; 330. a drive circuit board; 331. a clamping block; 400. a limiting plate; 410. a card interface; 500. a metal sheath; 510. a ventilation cavity; 600. a fan; 610. a support ring; 700. a binding post; 710. a clamping part; 720. a clamping groove; 800. a retaining ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention will be described in further detail below with reference to the accompanying drawings and 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.

Fig. 1 is an exploded view of an embodiment of the LED vehicle lamp of the present invention; fig. 2 is an exploded view of the structure of the limiting plate and the LED light emitting assembly of the embodiment of the LED vehicle lamp of the present invention; fig. 3 is a schematic structural diagram of the LED vehicle lamp of the present invention. In the description of the present embodiment, the end having the LED lamp is the front end or the upper portion, and the end opposite to the front end is the tail end or the lower portion; fig. 4 is a schematic structural diagram of a lamp post according to another embodiment of the LED vehicle lamp of the present invention.

As shown in fig. 1 and fig. 2, an LED car lamp and a car including an LED light emitting assembly 300, a lamp post 100 for accommodating the LED light emitting assembly 300, a heat sink 200 detachably connected to a terminal of the lamp post 100, and a position limiting plate 400 detachably connected to a terminal of the LED light emitting assembly 300, wherein the position limiting plate 400 is located in an inner cavity of the heat sink 200, the position limiting plate 400 is in an arch shape, a periphery of the arch-shaped position limiting plate 400 abuts against a side periphery of the inner cavity of the heat sink 200, so that the LED light emitting assembly 300 connected to the position limiting plate 400 is located on a central axis in the lamp post 100, the LED light emitting assembly 300 is prevented from shifting from a central position in a lamp body, a surface of the position limiting plate 400 facing the LED light emitting assembly 300 abuts against a bottom surface of the inner cavity of the heat sink 200, so that the position of the LED light emitting assembly 300 connected to the position limiting, the LED light-emitting component 300 and the limiting plate 400 are fixed firstly in the assembling process without axial deviation, the limiting plate 400 is arranged in the radiator 200 and penetrates, the LED light-emitting component 300 penetrates through the radiator 200 and enables the lamp post body 100 to be sleeved outside the LED light-emitting component 300, and the tail end of the lamp post body 100 is directly clamped and embedded in the radiator 200 to form an LED vehicle lamp, so that the vehicle lamp assembling effect is achieved.

As shown in fig. 1, the LED light emitting assembly 300 in this embodiment has a specific structure including an LED lamp circuit board 310, the LED lamp beads 320 are symmetrically disposed on two sides of the LED lamp circuit board 310, and the distance between the LED lamp beads 320 is small and close to a point light source, so that the light distribution focal length is close to that of a halogen lamp, and the light distribution effect is good; in order to solve the heat dissipation problem, the heat dissipation area coated with the copper sheet is arranged on the LED lamp circuit board 310 and is attached to the inner wall of the metal lamp post, so that heat generated by the lamp post can be rapidly transmitted to the heat dissipation body through the metal lamp post, and the heat dissipation performance is good; three LED lamp beads 320 are linearly arranged on the same side face of the LED lamp circuit board 310 along the length direction, so that the brightness is increased. The rear end of the LED lamp circuit board 310 is connected to a driving circuit board 330; the driving circuit board 330 is provided with a driving element, and the driving circuit board 330 is electrically connected with the LED lamp circuit board 310; the driving circuit board 330 extends into the inner cavity of the heat sink. The driving element is directly radiated by the radiator, so that the radiating effect is improved. The clamping grooves are respectively formed in the rear end of the LED lamp circuit board 310 and the front end of the driving circuit board 330, the clamping grooves are mutually sleeved to form a cross-shaped butt joint, and the LED lamp circuit board 310 and the driving circuit board 330 are firmly connected and can be spliced or welded after being clamped. The driving circuit board 330 is electrically connected with the LED lamp circuit board 310; as shown in fig. 2 the end of drive circuit board 330 is provided with joint piece 331 set up on limiting plate 400 with joint interface 410 that joint piece 331 matches, joint piece 331 can the disect insertion to joint interface 410 in, and the spacing step of the both sides of joint piece 331 leans on the tie the surface of limiting plate 400 to realize the rigidity, here can splice or weld after the joint in order to guarantee limiting plate 400 and drive circuit board 330 firm in connection. For the convenience of installation, the heat sink 200 of the general LED car light is cylindrical, the inner cavity of the heat sink is correspondingly designed to be a circular inner cavity, and the limiting plate 400 is arched, so that the periphery of the limiting plate 400 abuts against the inner cavity of the heat sink 200, the LED lamp circuit board 310 and the driving circuit board 330 can only be limited at the middle axis position of the heat sink 200, so as to realize the limiting function, and because the limiting plate 400 contacts with the driving circuit board 330 and the heat sink 200, the heat generated by the driving circuit board 330 is conducted to the heat sink 200 through the limiting plate 400, thereby being more beneficial to heat dissipation.

As shown in fig. 1 and 3, the lamp post 100 includes a lamp post housing 110, a rear portion of the lamp post housing 110 is cylindrical and is convenient for being connected to the heat sink 200, an upper portion of the lamp post housing 110 is flat, a lamp post cover plate 120 is detachably connected to one side of the flat upper portion, and the lamp post cover plate 120 is connected to the lamp post by bonding, clamping, or screwing. The lamp post shell 110 can enable the lamp body part of the LED car lamp to be an integral body, so that the structure of the whole car lamp is stable, other parts are more conveniently assembled on the whole, meanwhile, the structure is more stable, and the main body mechanism is not easy to damage due to collision and vibration; the opening is formed in the flat upper area of the lamp post shell 110, so that the LED lamp circuit board 310 can conveniently enter the lamp post shell 110, the LED lamp beads 320 are installed at the front end of the LED lamp circuit board 310 and can protrude out of the surface of the whole LED lamp circuit board 310, when the LED lamp beads pass through the lower cylinder end of the lamp post shell 110, the LED lamp beads enter the flat upper area, the LED lamp beads 320 can pass through the opening smoothly, after the LED lamp circuit board 310 is installed in the lamp post shell 110, the lamp post cover plate 120 is used for covering the opening, and a complete lamp body structure is formed. The lamp post cover plate 120 and the lamp post shell 110 are both provided with lamp holes 130, and the LED lamp beads 320 are located in the lamp holes 130.

As shown in fig. 4, the lamp post 100 may further include convection holes 140, the convection holes 140 are located at a junction between the flat portion and the cylindrical portion of the lamp post 100, and the convection holes 140 at two sides are symmetrically formed and communicated with an inner cavity of the heat sink, so that heat concentrated in the heat sink can smoothly flow out from the convection holes 140 through air, thereby further improving heat dissipation performance. A reflector cup 150 may be further disposed at the lamp hole 130.

As shown in fig. 1 and 2, the end of the heat sink 200 is detachably connected with a metal sleeve 500, specifically, the metal sleeve 500 is sleeved on the outer circle of the heat sink 200 and is fixedly connected to the outer circle of the heat sink 200 through screws, and the heat sink 200 and the metal sleeve 500 are stably fixed by screw connection, so that the structure is firmer. The inner circle of the metal sleeve 500 is matched with the inner cavity of the radiator 200 to form a ventilation inner cavity 510 with one open end, the fan 600 is arranged in the ventilation inner cavity 510, and the ventilation inner cavity 510 with one open end is more beneficial to air convection and convenient for heat radiation. The fan 600 has the advantages that the fan blades are supported by the connecting support, the connecting support forms a circle of support ring 610 outside the fan blades, the support ring 610 is embedded in the inner ring of the metal sleeve 500 in a clamping and embedding fixing mode, interference fit, bonding, screw fixing and the like can be adopted, and accordingly wind dispersion is fixed. The protruding strips extending along the axial direction are distributed on the circumference of the metal sleeve 500, friction is generated through the protruding strips, when the automobile lamp is installed, the metal sleeve 500 is used for taking and placing the hand-held position, and the LED automobile lamp is convenient to take and place manually.

As shown in fig. 3, the heating body 200 includes a cylindrical main body 210 connected to the lamppost housing 110, and a plurality of protrusions 220 uniformly arranged on an outer side wall of the cylindrical main body 210 along a circumferential direction; the protrusion 220 extends along the axial direction of the cylinder body 210, and is opened with a heat dissipation hole 230, and the heat dissipation hole 230 is communicated with the inner cavity of the heat radiator 200. The structure can greatly increase the surface area of the heat radiator and greatly improve the heat radiation effect of the heat radiator.

The embodiment further includes a terminal post 700, and the terminal post 700 has a locking portion 710. The abutting part of the heat radiator 200 and the metal sheath 500 is provided with a clamping groove 720 corresponding to the clamping part 710, and the clamping part 710 is clamped in the clamping groove 720. The connecting column is arranged in a clamping manner, so that the assembly is simple and the connection is reliable.

The embodiment further comprises a retaining ring 800, the retaining ring 800 is sleeved on the outer surface of the lamp post body 100, and the retaining ring 800 is used for fixedly mounting the LED car lamp on the car.

The embodiment also provides a vehicle comprising the LED vehicle lamp.

To sum up, the utility model provides a pair of LED car light and vehicle supports through the periphery that sets up the limiting plate that is arranged in the inner chamber of radiator and leans on the side periphery of the inner chamber of radiator to make the LED light-emitting component of connection on the limiting plate be located on the axis in the lamp post, prevent that LED light-emitting component from putting at lamp body skew central point, the limiting plate orientation LED light-emitting component's surface supports and leans on the bottom surface of the inner chamber of radiator to make the LED light-emitting component of connection on the limiting plate fixed in the axial of lamp post, not produce axial skew, restricted the position removal of light-emitting component with the lamp post at the LED car light in the equipment process, reduce the assembly degree of difficulty, realize the effect of the car light equipment of being convenient for.

It is to be understood that the invention is not limited to the above-described embodiments, and that modifications and variations may be made by those skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.

Claims

1. The LED car lamp comprises an LED light-emitting component, and is characterized by further comprising a lamp column body for accommodating the LED light-emitting component, a heat radiation body detachably arranged at the tail end of the lamp column body, and a limiting plate detachably arranged at the tail end of the LED light-emitting component and located in an inner cavity of the heat radiation body;

2. The LED vehicle lamp according to claim 1, characterized in that: the LED light-emitting component comprises an LED lamp circuit board and a driving circuit board connected to the rear end of the LED lamp circuit board; the driving circuit board is electrically connected with the LED lamp circuit board; the tail end of the driving circuit board is provided with a clamping block, and a clamping interface matched with the clamping block is formed in the limiting plate.

3. The LED vehicle lamp according to claim 2, characterized in that: and a plurality of LED lamp beads are arranged on two sides of the LED lamp circuit board.

4. The LED vehicle lamp according to claim 3, characterized in that: the lamp post body comprises a lamp post shell and a lamp post cover plate which is positioned at the upper part of the lamp post shell and is detachably connected to the lamp post shell; the lamp post cover plate and the lamp post shell are both provided with lamp holes, and the LED lamp beads are located in the lamp holes.

5. The LED vehicle lamp according to claim 1, characterized in that: the tail end of the heat radiation body is detachably connected with a metal sleeve, the inner circle of the metal sleeve is matched with the inner cavity of the heat radiation body to form a ventilation inner cavity with one open end, and a fan is arranged in the ventilation inner cavity.

6. The LED vehicle lamp according to claim 5, characterized in that: the metal sleeve is sleeved on the excircle of the heat radiating body and is fixedly connected to the excircle of the heat radiating body through screws.

7. The LED vehicle lamp according to claim 6, characterized in that: the wiring terminal is provided with a clamping part; the joint groove that suits with this joint portion is seted up to the butt department of radiator with the metal covering, joint portion joint is in the joint inslot.

8. The LED vehicle lamp according to claim 1, characterized in that: the heat radiation body comprises a cylinder main body connected with the lamp post body and a plurality of convex parts uniformly distributed on the outer side wall of the cylinder main body along the circumferential direction; the convex part extends along the axial direction of the cylinder body and is provided with a heat dissipation hole; the heat dissipation holes are communicated with the inner cavity of the heat dissipation body.

9. The LED vehicle lamp according to claim 1, characterized in that: the lamp post further comprises a retaining ring, and the retaining ring is sleeved on the outer surface of the lamp post body.

10. A vehicle, characterized in that: comprising the LED vehicle lamp according to any one of claims 1 to 9.