CN209744270U - LED lamp for vehicle - Google Patents
LED lamp for vehicle Download PDFInfo
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- CN209744270U CN209744270U CN201920544594.0U CN201920544594U CN209744270U CN 209744270 U CN209744270 U CN 209744270U CN 201920544594 U CN201920544594 U CN 201920544594U CN 209744270 U CN209744270 U CN 209744270U
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Abstract
The utility model provides a vehicle LED lamp relates to automotive lighting technical field, for alleviating LED lamp heat dissipation problem design. Specifically, the LED lamp for the vehicle comprises a lamp body and an LED substrate; the lamp body is arranged on the vehicle body, and the LED substrate is arranged on the lamp body; the LED lamp beads are fixedly arranged on the LED substrate, a first heat-conducting plate is fixedly arranged on one side of the LED substrate, which is provided with the LED lamp beads, and first through holes matched with the LED lamp beads are formed in the first heat-conducting plate; the first heat-conducting plate is fixedly provided with a second heat-conducting plate, the first heat-conducting plate is located between the second heat-conducting plate and the LED substrate, and the second heat-conducting plate can not shield the light path of the LED lamp beads. This automobile-used LED lamp can reduce near LED lamp pearl temperature, improves automobile-used LED lamp's radiating efficiency, improves automobile-used LED lamp's life.
Description
Technical Field
The utility model relates to an automotive lighting technical field particularly, relates to automobile-used LED lamp.
background
With the rapid development of the automobile industry, people pursue comfort and easy controllability, and meanwhile, the overall safety, energy conservation and environmental protection of automobiles are more and more emphasized. For the automobile lamp, the LED lamp is mostly used and the plane cluster packaging technology is adopted, so that the requirements of high power and low energy consumption can be met; however, the inside of the car lamp is a closed environment, when the car lamp is in an illumination state, the closed environment where the car lamp is located generates a higher temperature due to heat accumulation, and the higher temperature makes the operating environment temperature of the LED relatively higher, so that the failure rate of the LED is high, the reliability is poor, and the light attenuation is serious. At present, the LED lamp radiator for the vehicle is cooled by a common heat dissipation method, but the conventional radiator is poor in heat dissipation effect, and needs to be improved urgently.
Therefore, it is an important technical problem to be solved by those skilled in the art to provide a vehicle LED lamp with high heat dissipation efficiency.
SUMMERY OF THE UTILITY MODEL
an object of the utility model is to provide an automobile-used LED lamp to alleviate the technical problem that LED lamp radiating efficiency is low among the prior art.
The embodiment of the utility model provides a vehicular LED lamp, include: the LED lamp comprises a lamp body and an LED substrate;
The LED lamp comprises a lamp body, an LED substrate, a lamp body and a LED lamp base plate, wherein the lamp body is arranged on a vehicle body;
The LED lamp beads are fixedly arranged on the LED substrate, a first heat conduction plate is fixedly arranged on one side, provided with the LED lamp beads, of the LED substrate, and first through holes matched with the LED lamp beads are formed in the first heat conduction plate;
The LED lamp is characterized in that a second heat-conducting plate is fixedly arranged on the first heat-conducting plate, the first heat-conducting plate is located between the second heat-conducting plate and the LED substrate, and the second heat-conducting plate cannot shield the light path of the LED lamp bead.
The embodiment of the utility model provides a first possible implementation mode, wherein, above-mentioned LED base plate both sides are all fixed to be provided with LED lamp pearl.
The embodiment of the utility model provides a second possible implementation mode, wherein, above-mentioned first heat-conducting plate with the ratio of both thickness of LED lamp pearl is between 0.6-1.5.
the embodiment of the utility model provides a third possible implementation mode, wherein, offer on the above-mentioned lamp body and be used for the installation the second through-hole of LED base plate, the central line of second through-hole with the axis of lamp body is parallel.
The embodiment of the present invention provides a fourth possible implementation manner, wherein the lamp body is provided with a first unthreaded hole and a threaded hole, axes of the first unthreaded hole and the threaded hole are overlapped, and axes of the first unthreaded hole and the threaded hole are perpendicular to a center line of the second through hole;
The screw can pass through the first unthreaded hole and be connected with the screw hole, and the internal diameter of first unthreaded hole is no less than the maximum diameter of screw.
the embodiment of the present invention provides a fifth possible implementation manner, wherein the LED substrate, the first heat conducting plate and the second heat conducting plate are provided with a second light hole adapted to the screw;
The screw can pass through in proper order first unthreaded hole and all the second unthreaded hole and with the screw hole is connected. The embodiment of the present invention provides a sixth possible implementation manner, wherein the lamp body includes a heat dissipating portion and a connecting portion, and the heat dissipating portion is fixedly connected to the connecting portion;
and a chuck is tightly sleeved on the connecting part.
in a seventh possible implementation manner provided by the embodiment of the present invention, an inner diameter of the chuck is larger than an outer diameter of the connecting portion;
The outer wall of the connecting part is provided with a plurality of ring grooves, expansion rings are arranged in the ring grooves, the inner diameter of each expansion ring is equal to the outer diameter of the ring groove, and the outer diameter of each expansion ring is larger than the inner diameter of the chuck;
The expansion ring arranged in the ring groove farthest from the heat dissipation part can be simultaneously abutted against the inner wall and the end face of one end, far away from the heat dissipation part, of the chuck.
An eighth possible implementation manner provided by the embodiment of the present invention, wherein the heat dissipation portion is kept away from one end of the connection portion is provided with an adapter plate, the LED substrate is connected to the adapter plate.
In a ninth possible implementation manner provided by the embodiment of the present invention, a fan is further disposed at an end of the heat dissipating portion away from the connecting portion, the adapter plate is located between the fan and the heat dissipating portion, and the fan is connected to the adapter plate;
The fan cover is arranged on the outer wall of the heat dissipation portion and in interference fit with the heat dissipation portion.
Has the advantages that:
The embodiment of the utility model provides a vehicle LED lamp, which comprises a lamp body and an LED substrate; the lamp body is arranged on the vehicle body, and the LED substrate is arranged on the lamp body; the LED lamp beads are fixedly arranged on the LED substrate, a first heat-conducting plate is fixedly arranged on one side of the LED substrate, which is provided with the LED lamp beads, and first through holes matched with the LED lamp beads are formed in the first heat-conducting plate; the first heat-conducting plate is fixedly provided with a second heat-conducting plate, the first heat-conducting plate is located between the second heat-conducting plate and the LED substrate, and the second heat-conducting plate can not shield the light path of the LED lamp beads. Fix on the LED base plate and set up first heat-conducting plate and second heat-conducting plate, and first heat-conducting plate and second heat-conducting plate can not influence the normal work of LED lamp pearl, wherein, first heat-conducting plate is located LED lamp pearl all around, the heat transfer who produces LED lamp pearl that can be quick through first heat-conducting plate is gone out, reduce near the temperature of LED lamp pearl fast, and through the assistance of second heat-conducting plate, the further transmission of heat that can make LED lamp pearl produce dispels the heat to the lamp body on, reduce near the temperature of LED lamp pearl, improve the radiating efficiency of automobile-used LED lamp, thereby improve the life of automobile-used LED lamp.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of an LED lamp for a vehicle according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a first explosion of an automotive LED lamp according to an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
Fig. 4 is a second schematic exploded view of an LED lamp for a vehicle according to an embodiment of the present invention;
Fig. 5 is a third schematic diagram of an explosion of the automotive LED lamp according to an embodiment of the present invention;
fig. 6 is a profile view of a second through hole formed in a lamp body of the LED lamp for a vehicle according to the embodiment of the present invention;
fig. 7 is a schematic view of the connection between the chuck end and the expansion ring on the lamp body of the LED lamp for vehicle.
icon: 100-a lamp body; 101-a heat-dissipating portion; 102-a connecting portion; 110-a second via; 120-a first light aperture; 130-a threaded hole; 140-ring grooves; 141-an expansion ring;
200-an LED substrate; 210-LED lamp beads; 220-a first thermally conductive plate; 221-a first via; 230-a second thermally conductive plate; 240-second light hole; 250-screw.
300-a chuck; 400-an adapter plate; 500-a fan; 510-fan cover.
Detailed Description
the technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
in the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
the present invention will be described in further detail below with reference to specific embodiments and with reference to the accompanying drawings.
Referring to fig. 1-7:
The embodiment of the utility model provides a vehicle LED lamp, which comprises a lamp body 100 and an LED substrate 200; the lamp body 100 is mounted on the vehicle body, and the LED substrate 200 is disposed on the lamp body 100; the LED substrate 200 is fixedly provided with an LED lamp bead 210, one side of the LED substrate 200, which is provided with the LED lamp bead 210, is fixedly provided with a first heat conduction plate 220, and the first heat conduction plate 220 is provided with a first through hole 221 matched with the LED lamp bead 210; the first heat-conducting plate 220 is fixedly provided with a second heat-conducting plate 230, the first heat-conducting plate 220 is located between the second heat-conducting plate 230 and the LED substrate 200, and the second heat-conducting plate 230 does not shield the light path of the LED lamp bead 210.
Fix on LED base plate 200 and set up first heat-conducting plate 220 and second heat-conducting plate 230, and first heat-conducting plate 220 and second heat-conducting plate 230 can not influence the normal work of LED lamp pearl, wherein, first heat-conducting plate 220 is located LED lamp pearl all around, the heat transfer who produces LED lamp pearl 210 that can be quick through first heat-conducting plate 220 is gone out, reduce near the temperature of LED lamp pearl 210 fast, and through the assistance of second heat-conducting plate 230, the heat transmission that can make LED lamp pearl 210 produce dispels the heat to lamp body 100 is gone up, reduce near the temperature of LED lamp pearl 210, improve the radiating efficiency of automobile-used LED lamp, thereby improve the life of automobile-used LED lamp.
Wherein the lamp body 100 is mounted on the vehicle body through the chuck 300. When mounting, the chuck 300 is fixedly mounted on the vehicle body, then the LED substrate 200 is inserted into the lamp body 100, and finally the lamp body 100 is inserted into the chuck 300.
In an alternative of this embodiment, the thickness of the second heat conductive plate 230 is greater than the thickness of the first heat conductive plate 220. Specifically, through the cooperation of the first heat-conducting plate 220 and the second heat-conducting plate 230 (the thickness of the first heat-conducting plate 220 is smaller than that of the second heat-conducting plate 230, and the size of the second heat-conducting plate 230 is smaller than that of the first heat-conducting plate 220), the heat transfer efficiency of the LED lamp bead 210 and the LED substrate 200 can be improved, and the normal work of the LED lamp bead 210 cannot be influenced.
Wherein, first through-hole 221 has been seted up on the position corresponding with LED lamp pearl 210 on the first heat-conducting plate 220, and when first heat-conducting plate 220 was fixed to be set up on LED base plate 200, LED lamp pearl 210 was located first through-hole 221 to first heat-conducting plate 220 can not cause harmful effects to the luminous of LED lamp pearl 210.
The second heat-conducting plate 230 is fixedly arranged on the first heat-conducting plate 220, the thickness of the second heat-conducting plate 230 is larger than that of the first heat-conducting plate 220, and the size of the second heat-conducting plate 230 is smaller than that of the first heat-conducting plate 220, so that the arrangement of the second heat-conducting plate 230 cannot cover the LED lamp beads 210, and the normal work of the LED lamp beads 210 cannot be influenced; through setting up second heat-conducting plate 230 can be quick with the heat on the first heat-conducting plate 220 transmit lamp body 100 through second heat-conducting plate 230 on and dispel the heat, improve thermal transmission ability and efficiency, reduce or even eliminate the heat that produces near LED lamp pearl 210 and pile up the condition to greatly improve the phenomenon of the high temperature near LED lamp pearl 210, improve LED lamp pearl 210's life.
The second heat-conducting plate 230 and the first heat-conducting plate 220 may be welded or bonded, or may be fixed together by other fixing members, such as screws 250.
It should be noted that, the lamp body 100 is provided with a plurality of heat dissipation fins, so that the heat dissipation capability of the lamp body 100 is greatly improved.
It should be noted that the LED substrate 200 may be a metal-based high heat dissipation substrate or a ceramic-based high heat dissipation substrate, such as a copper substrate, an aluminum substrate, or a ceramic substrate, as required.
It should be noted that the first and second heat-conducting plates 220 and 230 are made of metal plates having high heat-conducting ability, such as copper plates, and aluminum plates.
In the optional scheme of this embodiment, LED lamp pearl 210 is provided with to LED base plate 200 both sides are fixed.
Specifically, both sides of the LED substrate 200 are provided with a first heat-conducting plate 220 and a second heat-conducting plate 230.
In an alternative of this embodiment, the ratio of the thicknesses of the first heat conducting plate 220 and the LED lamp bead 210 is between 0.6 and 1.5. Optionally, the ratio of the thicknesses of the first heat conduction plate 220 and the LED lamp beads 210 is 0.9, and through the arrangement, light emitted by the LED lamp beads 210 can be irradiated without shielding, so that the lighting condition that the first heat conduction plate 220 influences the LED lamp beads is reduced or even avoided.
in an alternative of this embodiment, the lamp body 100 is provided with a second through hole 110 for mounting the LED substrate 200, and a center line of the second through hole 110 is parallel to an axis of the lamp body 100.
The lamp body 100 is a revolving body, and a center line of the second through hole 110 formed in the lamp body 100 is parallel to an axis of the lamp body 100. When being installed, the LED substrate 200, the LED lamp beads 210, the first heat conducting plate 220 and the second heat conducting plate 230 which are assembled together are inserted into the second through hole 110 of the lamp body 100, and the shape of the second through hole 110 is adapted to the combined shape of the LED substrate 200, the LED lamp beads 210, the first heat conducting plate 220 and the second heat conducting plate 230 which are assembled together; through such setting, through the rotation of lamp body 100 restriction LED base plate 200 to the user adjusts the direction of illumination of LED lamp pearl 210, and first heat-conducting plate 220 and second heat-conducting plate 230 are inserted in lamp body 100, make in heat on LED base plate 200 and the LED lamp pearl 210 can be through first heat-conducting plate 220 and second heat-conducting plate 230 rapid transfer to lamp body 100, thereby can be quick to the heat near LED lamp pearl 210 shift.
In the alternative of this embodiment, the LED substrate 200, the first heat-conducting plate 220 and the second heat-conducting plate 230 are provided with a second light hole 240; the LED substrate 200 is coupled to the first and second heat conductive plates 220 and 230 by screws 250, and the screws 250 pass through the second light holes 240.
In an alternative of this embodiment, the lamp body 100 is provided with a first unthreaded hole 120 and a threaded hole 130, the axes of the first unthreaded hole 120 and the threaded hole 130 are overlapped, and the axes of both are perpendicular to the center line of the second through hole 110; the threaded hole 130 is in threaded connection with the screw 250, and the diameter of the first light hole 120 is not smaller than the maximum diameter of the screw 250.
specifically, when the LED lamp is mounted, the first heat conducting plate 220 and the second heat conducting plate 230 are firstly placed on the LED substrate 200, then the first heat conducting plate 220, the second heat conducting plate 230 and the LED substrate 200 are inserted into the second through hole 110 of the lamp body 100, then the screw 250 is inserted from the first through hole 120 of the lamp body 100, the screw 250 sequentially passes through the first through hole 120, the second heat conducting plate 230 located on one side of the LED substrate 200 facing the first through hole 120, the second through hole 240 on the first heat conducting plate 220, the second through hole 240 on the LED substrate 200, the second heat conducting plate 230 located on the other side of the LED substrate 200, the second through hole 240 on the first heat conducting plate 220 and the threaded hole 130 on the lamp body 100, and finally the screw 250 is connected with the threaded hole 130 formed on the lamp body 100, so as to connect the lamp body 100, the first heat conducting plate 220, the second heat conducting plate 230 and the LED substrate 200 together.
Wherein the size of the first heat conductive plate 220 is equal to the size of the LED substrate 200; the length of the second heat conduction plate 230 in the axial direction of the lamp body 100 is less than that of the first heat conduction plate 220, and the length of the second heat conduction plate 230 in the direction perpendicular to the axial direction of the lamp body 100 is less than that of the first heat conduction plate 220; the second through hole 110 formed in the lamp body 100 corresponds to the end surfaces of the LED substrate 200, the first heat conduction plate 220, and the second heat conduction plate 230, and after the LED substrate 200, the first heat conduction plate 220, and the second heat conduction plate 230 are inserted into the second through hole 110, the LED substrate 200, the first heat conduction plate 220, and the second heat conduction plate 230 can be restricted by the second through hole 110 from rotating, so that a user can easily pass through the second through hole 240 of the LED substrate 200, the first heat conduction plate 220, and the second heat conduction plate 230 from the screw 250 inserted into the first through hole 120 of the lamp body 100.
as shown in fig. 6, the edge of the second through hole 110 is stepped, so that the distance between the central areas of the first heat conduction plate 220 and the LED substrate 200 and the sidewall of the second through hole 110 is shortened, and the contact area between the first heat conduction plate 220 and the sidewall of the second through hole 110 is increased, thereby improving the heat transfer efficiency, thus improving the heat transfer efficiency between the lamp body 100 and both the first heat conduction plate 220 and the second heat conduction plate 230, and alleviating the problem of low heat transfer rate from the central areas of the first heat conduction plate 220, the second heat conduction plate 230 and the LED substrate 200 to the lamp body 100.
In an alternative of this embodiment, the lamp body 100 includes a heat dissipation part 101 and a connection part 102, and the heat dissipation part 101 and the connection part 102 are fixedly connected; the chuck 300 is tightly fitted over the connecting portion 102.
Specifically, the chuck 300 is first fixedly mounted on the body of the vehicle, and then the lamp body 100 is tightly sleeved inside the chuck 300, so as to reduce or even avoid the probability that the lamp body 100 is separated from the chuck 300.
In an alternative of this embodiment, the inner diameter of the chuck 300 is larger than the outer diameter of the connecting portion 102; the outer wall of the connecting part 102 is provided with a plurality of ring grooves 140, the ring grooves 140 of the connecting part 102 are provided with expansion rings 141, the inner diameter of each expansion ring 141 is equal to the outer diameter of the ring groove 140, and the outer diameter of each expansion ring 141 is larger than the inner diameter of the chuck 300; the expansion ring 141 provided in the ring groove 140 farthest from the heat dissipation portion 101 abuts against the end surface of the chuck 300.
Specifically, the outer wall of the connecting portion 102 of the lamp body 100 is provided with three ring grooves 140, the three ring grooves 140 are all provided with expansion rings 141, and the outer diameter of the connecting portion 102 is smaller than the inner diameter of the chuck 300 and smaller than the outer diameter of the expansion rings 141; when the lamp body 100 is inserted into the chuck 300, the expansion ring 141 is located between the outer wall of the connecting part 102 and the inner wall of the chuck 300, so that the connecting part 102 of the lamp body 100 can be connected with the chuck 300; as shown in fig. 7, the expansion ring 141 in the ring groove 140 farthest from the heat dissipation portion 101 not only plays a role of expansion connection, but also can abut against the end surface of the chuck 300 to play a role of limiting, so as to reduce or even avoid the relative displacement between the lamp body 100 and the chuck 300 along the axial direction of the lamp body 100 under the severe vibration environment.
the ring groove 140 farthest from the heat dissipation part 101 is a third ring groove 140, and the distance between the plane where the center line of the third ring groove 140 is located and the end face, facing the ring groove 140, of the heat dissipation part 101 is equal to the length of the chuck 300 along the axial direction of the chuck; that is, when the lamp body 100 is inserted into the chuck 300, the end surface of one end of the chuck 300 abuts against the heat dissipation portion 101, and the end surface of the other end abuts against the expansion ring 141 of the third ring groove 140; and half of the expansion ring 141 of the third ring groove 140 is located inside the chuck 300, and the other half is located outside the chuck 300 to abut against the end surface of the chuck 300, thereby restricting the position of the chuck 300.
It should be noted that the expansion ring 141 is a silicone ring, which can be used at a temperature of 150 ℃ or lower for a long time without performance change, and can be continuously used at a temperature of 200 ℃ for 10000 hours, so that the stable connection relationship between the lamp body 100 and the chuck 300 can be ensured by the arrangement of the silicone ring.
In an alternative of this embodiment, an adapter plate 400 is disposed at an end of the heat dissipation portion 101 away from the connection portion 102, and the LED substrate 200 is connected to the adapter plate 400. The adapter plate 400 supplies power to the LED board 200, and the adapter plate 400 is provided at one end of the heat dissipation portion 101 away from the connection portion 102, so that adverse effects of heat on the adapter plate 400 can be reduced.
The through hole identical to the second through hole 110 is formed in the adapter plate 400, when the automotive LED lamp is assembled, the LED substrate 200, the first heat conduction plate 220 and the second heat conduction plate 230 are assembled and then inserted into the second through hole 110, then the LED substrate 200, the first heat conduction plate 220 and the second heat conduction plate 230 are inserted into the through hole in the adapter plate 400, and then the LED substrate 200 is welded on the adapter plate 400.
In an alternative of this embodiment, a fan 500 is further disposed at one end of the heat dissipating portion 101 away from the connecting portion 102, the adapter plate 400 is located between the fan 500 and the heat dissipating portion 101, and the fan 500 is connected to the adapter plate 400; the outer wall of the heat dissipation portion 101 is provided with a fan cover 510, and the fan cover 510 is in interference fit with the heat dissipation portion 101.
Supply power to fan 500 through adapter plate 400, carry out initiative heat dissipation to lamp body 100 through fan 500, very big improvement lamp body 100's radiating efficiency to make first heat-conducting plate 220 and second heat-conducting plate 230 can be faster get to the heat transfer that LED lamp pearl 210 produced to lamp body 100 on.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. An LED lamp for a vehicle, comprising: a lamp body (100) and an LED substrate (200);
The LED lamp is characterized in that the lamp body (100) is mounted on a vehicle body, and the LED substrate (200) is arranged on the lamp body (100);
An LED lamp bead (210) is fixedly arranged on the LED substrate (200), a first heat-conducting plate (220) is fixedly arranged on one side, provided with the LED lamp bead (210), of the LED substrate (200), and a first through hole (221) matched with the LED lamp bead (210) is formed in the first heat-conducting plate (220);
The LED lamp is characterized in that a second heat-conducting plate (230) is fixedly arranged on the first heat-conducting plate (220), the first heat-conducting plate (220) is located between the second heat-conducting plate (230) and the LED substrate (200), and the second heat-conducting plate (230) cannot shield the light path of the LED lamp beads (210).
2. The vehicular LED lamp according to claim 1, wherein the LED lamp beads (210) are fixedly arranged on both sides of the LED substrate (200).
3. The vehicular LED lamp according to claim 1, wherein the ratio of the thicknesses of the first heat conducting plate (220) and the LED lamp beads (210) is between 0.6 and 1.5.
4. The vehicle LED lamp according to claim 1, wherein the lamp body (100) is formed with a second through hole (110) for mounting the LED substrate (200), and a center line of the second through hole (110) is parallel to an axis of the lamp body (100).
5. the LED lamp for the vehicle as claimed in claim 4, wherein the lamp body (100) is provided with a first light hole (120) and a threaded hole (130), the axes of the first light hole (120) and the threaded hole (130) are coincident, and the axes of the first light hole and the threaded hole are both perpendicular to the center line of the second through hole (110);
the screw can pass through the first unthreaded hole (120) to be connected with the threaded hole (130), and the inner diameter of the first unthreaded hole (120) is not less than the maximum diameter of the screw (250).
6. the LED lamp for vehicle of claim 5, wherein the LED substrate (200), the first heat-conducting plate (220) and the second heat-conducting plate (230) are provided with a second light hole (240) adapted to the screw;
The screw (250) can sequentially pass through the first unthreaded hole (120) and all the second unthreaded holes (240) and is connected with the threaded hole.
7. the vehicular LED lamp according to claim 1, wherein the lamp body (100) includes a heat dissipating portion (101) and a connecting portion (102), the heat dissipating portion (101) and the connecting portion (102) being fixedly connected;
A chuck (300) is tightly sleeved on the connecting part (102).
8. The vehicular LED lamp according to claim 7, wherein an inner diameter of the chuck (300) is larger than an outer diameter of the connecting portion (102);
a plurality of ring grooves (140) are formed in the outer wall of the connecting part (102), an expansion ring (141) is arranged in each ring groove (140), the inner diameter of each expansion ring (141) is equal to the outer diameter of each ring groove (140), and the outer diameter of each expansion ring (141) is larger than the inner diameter of the chuck (300);
the expansion ring (141) provided in the ring groove (140) farthest from the heat dissipation portion (101) can simultaneously abut against the inner wall and the end face of the chuck (300) at the end away from the heat dissipation portion (101).
9. the vehicle LED lamp according to claim 7, wherein an adapter plate (400) is provided at an end of the heat dissipating portion (101) away from the connecting portion (102), and the LED substrate (200) is connected to the adapter plate (400).
10. The LED lamp for the vehicle as claimed in claim 9, wherein a fan (500) is further disposed at one end of the heat dissipating part (101) away from the connecting part (102), the adapter plate (400) is located between the fan (500) and the heat dissipating part (101), and the fan (500) is connected with the adapter plate (400);
The fan cover (510) is arranged on the outer wall of the heat dissipation portion (101), and the fan cover (510) is in interference fit with the heat dissipation portion (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920544594.0U CN209744270U (en) | 2019-04-19 | 2019-04-19 | LED lamp for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920544594.0U CN209744270U (en) | 2019-04-19 | 2019-04-19 | LED lamp for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209744270U true CN209744270U (en) | 2019-12-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920544594.0U Active CN209744270U (en) | 2019-04-19 | 2019-04-19 | LED lamp for vehicle |
Country Status (1)
| Country | Link |
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| CN (1) | CN209744270U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021135221A1 (en) * | 2019-12-30 | 2021-07-08 | 深圳市绎立锐光科技开发有限公司 | Lighting device and vehicle lamp |
| CN113418175A (en) * | 2021-07-12 | 2021-09-21 | 广州九加一电子科技有限公司 | LED car lamp |
-
2019
- 2019-04-19 CN CN201920544594.0U patent/CN209744270U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021135221A1 (en) * | 2019-12-30 | 2021-07-08 | 深圳市绎立锐光科技开发有限公司 | Lighting device and vehicle lamp |
| CN113418175A (en) * | 2021-07-12 | 2021-09-21 | 广州九加一电子科技有限公司 | LED car lamp |
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