Car lamp adopting LED (light-emitting diode) as light source

Through the integrated molding of LED headlight joints and installation shells made of plastic, the high cost problems caused by complex production processes and different materials in the prior art are solved, and an efficient and simplified production process and installation structure are achieved.

CN222480273UActive Publication Date: 2025-02-14SHEN ZHEN SUN XINYUAN TECH CO LTD
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Patent Information

Application Number
CN202520059180.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-10
Publication Date
2025-02-14
Estimated Expiration
2035-01-10

AI Technical Summary

Technical Problem

The production process of existing LED headlights is complicated and requires multiple assembly, resulting in low production efficiency. The joints and shells are made of different materials, which is complex in the process and high in cost.

Method used

The joint assembly and installation shell made of plastic are formed by an injection molding process to eliminate the assembly steps, and longitudinal notches are set in the installation shell, and clamping parts are installed on the fan bracket to simplify the installation process of the fan.

Benefits of technology

It realizes easy processing of joints and installation shells, no assembly required, saves processing costs, improves production efficiency, and simplifies the installation structure of the cooling fan.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of LED car lamps, and particularly relates to a car lamp adopting an LED as a light source, which comprises a connector assembly of a connector (1) made of plastic, a fan assembly (2) arranged in the connector assembly, a heat dissipation assembly (3), a copper substrate (4) arranged in the heat dissipation assembly and LED lamp beads (5) arranged on the copper substrate. One end of the connector (1) is provided with an opening, the mounting shell (6) is made of plastic, two ends of the mounting shell (6) are provided with openings, and one end of the mounting shell (6) is connected with the opening end of the connector (1); the installation shell (6) and the connector (1) are fixedly connected in an integrated forming mode. At least two longitudinal notches (601) are formed in the body of the mounting shell; compared with the prior art, the combined structure of the joint and the mounting shell is convenient to process, does not need to be assembled, and is beneficial to saving the processing cost and improving the efficiency; the cooling fan is simple in mounting structure and convenient to mount.
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Description

Technical Field

[0001] The utility model relates to the technical field of LED vehicle lamps, in particular to a vehicle lamp which adopts LED as a light source. Background Art

[0002] At present, in the vehicle headlight modification industry, in order to adapt to the structure of the original car headlight, the LED headlights used for modification all include a joint made of plastic, and a shell connected to the joint, which is used to install cooling fans, radiators and other parts. The common structure is to design the shell and the joint separately, the shell uses hardware, and the shell and the joint are fixedly connected by screws. Obviously, the shell and the joint need to be processed separately and then assembled together. In addition, in order to install the fan, a fan bracket needs to be set in the shell. The fan bracket and the shell can be fixed with screws or fastened with the fasteners on the fan bracket and the buckle holes in the shell body (i.e. the solid part of the shell). With this structure, there are many production processes and multiple assembly is required, resulting in low production efficiency. Moreover, the joint and the shell are made of different materials. Not only is the process of combining the two more complicated and time-consuming, but the material cost is also high. Utility Model Content

[0003] In order to overcome the deficiencies of the prior art, the utility model aims to provide a vehicle lamp using LED as a light source.

[0004] The technical solution is: a car lamp using LED as a light source, including a joint assembly made of plastic, a fan assembly arranged in the joint assembly, a heat dissipation assembly, a copper base plate arranged in the heat dissipation assembly, and LED lamp beads arranged on the copper base plate; an opening is provided at one end of the joint, and also includes a mounting shell made of plastic and having openings at both ends, one end of which is connected to the open end of the joint; the mounting shell and the joint are fixedly connected by an integral molding method; at least two longitudinal notches are provided in the body of the mounting shell.

[0005] Preferably, the mounting shell is cylindrical and is coaxially assembled with the joint; a PCB board is provided in the joint; the fan assembly includes a fan and a fan bracket, the fan bracket includes a bracket body, at least two transverse blocks arranged on the side of the bracket body, and a clamping piece is provided at the end of each transverse block; the clamping pieces are respectively clamped in the longitudinal notch and contact with the bottom of the longitudinal notch; the mounting shell and the joint are integrally formed by injection molding; an opening is provided at one end of the longitudinal notch.

[0006] Preferably, there are four longitudinal notches in the body of the mounting shell, and the longitudinal notches are parallel to the axial direction of the mounting shell; there are three transverse blocks, and the clamping members on the three transverse blocks are respectively clamped in three of the longitudinal notches.

[0007] Preferably, the heat dissipation assembly includes a left heat dissipation element and a right heat dissipation element, both of which include a heat dissipation part and a mounting plate arranged at one end of the heat dissipation part along the longitudinal direction of the heat dissipation part; the copper base plate is arranged between the two mounting plates and fixedly connected to the mounting plates; the mounting plate and the heat dissipation part are fixedly connected by integral molding.

[0008] Preferably, the heat dissipation portion includes a heat dissipation body, a heat sink portion provided on the heat dissipation body, the heat sink portion including a large diameter section and a small diameter section integrally formed with the large diameter section, the large diameter section is located in the mounting shell; the large diameter section includes a plurality of lower heat sinks parallel to each other, in each large diameter section, the outer edge of one of the lower heat sinks is extended outward to form an embedded portion; the embedded portion is embedded in one of the longitudinal notches and the bottom of the embedded portion abuts against and fixes the clamping piece provided in the longitudinal notch.

[0009] Preferably, a longitudinal left bar and a longitudinal right bar integrally formed with the heat dissipation body are respectively provided on the two side surfaces of the heat dissipation body of the left heat dissipation element, and the angle between the two longitudinal bars is 180 degrees; a longitudinal buckle plate is provided on the outer edge of the longitudinal left bar along its length direction.

[0010] Preferably, in the four longitudinal notches, three of them are respectively installed with three clips, and the remaining longitudinal notch is provided with a thickened portion, and a longitudinal recessed portion is provided in the thickened portion, the longitudinal left strip body is embedded in another longitudinal notch and the longitudinal buckle plate is provided in the longitudinal recessed portion; among the four longitudinal notches, the longitudinal right strip body is embedded in a longitudinal notch which is spaced 180 degrees from another longitudinal notch and the bottom of the longitudinal right strip body abuts against the clip mounted in the longitudinal notch and fixes the clip.

[0011] Preferably, a thickened portion is provided at the longitudinal notch of the embedded longitudinal right strip, and a screw hole is provided on one side of the longitudinal notch. The front end of a transversely arranged screw passes through the screw hole and is fixedly connected to the side of the heat dissipation component; when the screw is tightened, the longitudinal left strip is tightly attached to the bottom surface of the longitudinal inner recess.

[0012] Preferably, a transverse groove is provided at one end of the heat dissipation assembly, the outer end of the copper substrate is flush with the ends of the two mounting plates, the inner end of the copper substrate is located in the transverse groove, and an adapter plate is provided at the inner end of the copper substrate, which is perpendicular to the copper substrate and located in the transverse groove, and the adapter plate is electrically connected to the PCB board through a connecting plate.

[0013] Preferably, it also includes at least one heat dissipation copper tube, which is arranged in the heat dissipation component and contacts with the copper substrate.

[0014] Preferably, there is one heat dissipation copper tube, which contacts one side surface of the copper substrate; one section of the heat dissipation copper tube is located between the two mounting plates, and the other section is located between the two heat dissipation parts.

[0015] Preferably, there are two heat dissipation copper tubes, which are respectively arranged on both sides of the copper substrate and in contact with two side surfaces of the copper substrate; one section of the two heat dissipation copper tubes is located between the two mounting plates, and the other section is located between the two heat dissipation parts.

[0016] Preferably, there are four heat dissipation copper tubes, two of which are respectively arranged on both sides of the copper substrate and in contact with the two side surfaces of the copper substrate, one section of the two heat dissipation copper tubes respectively located on both sides of the copper substrate is located between the two mounting plates, and the other section is located between the two heat dissipation parts; the other two copper tubes are in contact with the front and rear surfaces of the copper substrate and the two copper tubes are located between the two heat dissipation parts.

[0017] Technical effect: The connector and the mounting shell of the vehicle light of the utility model are both made of plastic, and are made into a whole by injection molding, without the need for assembly; more than two longitudinal notches are arranged in the mounting shell, and more than two clips are arranged on the fan bracket of the fan assembly. During assembly, the clip is inserted from the upper opening of the longitudinal notch, and then moved along the longitudinal notch to its bottom so that the clip contacts the bottom of the longitudinal notch. After one end of the heat dissipation assembly is installed into the shell, the clip is fixed in the longitudinal notch by the structure on the heat dissipation assembly, thereby realizing the installation of the heat dissipation fan; compared with the prior art, the combined structure of the connector and the mounting shell of the utility model is easy to process and does not require assembly, which is beneficial to saving processing costs and improving efficiency; the installation structure of the heat dissipation fan is simple and easy to install. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a top perspective view of the vehicle lamp of the utility model when no heat dissipation copper tube is provided;

[0019] Figure 2 This is a three-dimensional diagram when the vehicle lamp of the utility model is not provided with a heat dissipation copper tube when viewed from above;

[0020] Figure 3 This is a three-dimensional diagram of the vehicle lamp of the present utility model when no heat dissipation copper tube is provided;

[0021] Figure 4 It is a schematic diagram of assembling the headlight connector assembly and the fan assembly of the utility model;

[0022] Figure 5 A three-dimensional diagram of a vehicle lamp of the utility model provided with a heat dissipation copper tube;

[0023] Figure 6 A stereoscopic view from another perspective when a heat dissipation copper tube is provided for the vehicle lamp of the utility model;

[0024] Figure 7 A schematic diagram of the position of a heat dissipation copper tube and a copper substrate when the vehicle lamp of the utility model is provided;

[0025] Figure 8 A three-dimensional diagram of a headlight of the utility model provided with two heat dissipation copper tubes;

[0026] Fig. 9 A stereoscopic view from another perspective when the vehicle lamp of the utility model is provided with two heat dissipation copper tubes;

[0027] Fig.10 A three-dimensional diagram when the vehicle lamp of the utility model is provided with two heat dissipation copper tubes when viewed from above;

[0028] Fig.11 A three-dimensional diagram of the local structure of the vehicle lamp of the utility model when two heat dissipation copper tubes are provided;

[0029] Fig.12 A bottom-up perspective view of the local structure of the vehicle lamp of the utility model when two heat dissipation copper tubes are provided;

[0030] Fig.13 An exploded view of the vehicle lamp of the utility model when two heat dissipation copper tubes are provided;

[0031] Fig.14 A schematic diagram of the positions of the copper substrate when two heat dissipation copper tubes are provided for the vehicle lamp of the utility model;

[0032] Fig.15 A three-dimensional diagram of a headlight of the utility model provided with four heat dissipation copper tubes;

[0033] Fig.16 It is an exploded view of the local structure when the vehicle lamp of the utility model is provided with four heat dissipation copper tubes;

[0034] Fig.17 It is an exploded view of the local structure when the vehicle lamp of the utility model is provided with four heat dissipation copper tubes;

[0035] Fig.18 It is a schematic diagram of assembling the vehicle lamp connector assembly and the fan assembly provided with two clamping parts according to the present invention.

[0036] Figure markings: connector-1, fan assembly-2, fan-201, fan bracket-202, bracket body-202a, transverse block-202b, snap-on piece-202c, heat dissipation assembly-3, transverse groove-3a, heat dissipation part-301, heat dissipation body-301a, large diameter section-301b, lower heat sink-3011b, small diameter section-301c, embedding part-301d, mounting plate-302, light-transmitting hole-302a, copper base plate-4, LED lamp bead-5, mounting shell-6, longitudinal notch-601, longitudinal recessed part-601a, thickened part-602, screw hole-603, PCB board-7, longitudinal left strip-8, longitudinal right strip-9, longitudinal buckle plate-10, adapter plate-11, connecting plate-12, heat dissipation copper tube-13. DETAILED DESCRIPTION

[0037] In order to enable those skilled in the art to better understand the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and implementation methods.

[0038] like Figure 1-Figure 4 As shown, the case where the heat dissipation copper tube is not provided is described in detail. The embodiment of the utility model provides a car lamp using LED as a light source, including a connector assembly, which includes a connector 1 made of plastic; a fan assembly 2 arranged in the connector assembly, a heat dissipation assembly 3, a copper substrate 4 arranged in the heat dissipation assembly, and an LED lamp bead 5 arranged on the copper substrate; an opening is provided at one end of the connector 1, and also includes a mounting shell 6 made of plastic and having openings at both ends, one end of which is connected to the open end of the connector 1; the mounting shell 6 and the connector 1 are fixedly connected in an integrally formed manner; at least two longitudinal notches 601 are provided in the body of the mounting shell; here, "the body of the mounting shell" refers to the solid part of the mounting shell, not the hollow part inside it. Specifically, because the mounting shell 6 and the connector 1 here are both made of plastic, the two are integrally formed by injection molding; the cost is the lowest, the efficiency is the highest, and the material cost is saved. The plastic here should be understood as all materials suitable for making plug connectors except metal materials, such as materials that can be processed and formed by injection molding.

[0039] like Figure 4 , Fig.13 As shown, the installation shell 6 is cylindrical and is coaxially assembled with the connector 1; a PCB board 7 is arranged in the connector; the fan assembly 2 includes a fan 201 and a fan bracket 202, the fan bracket includes a bracket body 202a, at least two transverse blocks 202b arranged on the side of the bracket body, and a clamping piece 202c is arranged at the end of each transverse block; the clamping piece 202c is respectively clamped in the longitudinal notch and contacts the bottom of the longitudinal notch. In other words, the longitudinal notch here is used to install the clamping piece 202c on the fan bracket 202, so that the assembly of the fan assembly 2 is completed through a simple structure; two longitudinal notches 601 can be set for installing the clamping piece 202c, and at this time, two clamping pieces 202c are correspondingly arranged on the fan bracket 202, or more than two longitudinal notches 601 can be set for installing the clamping piece 202c, and the number of the clamping pieces is also correspondingly more than two. An opening is arranged at one end of the longitudinal notch 601 here, so as to realize the installation of the fan assembly 2 and the heat dissipation assembly 3.

[0040] like Figure 4As shown, here, three clips 202c are set on the fan bracket 202 as an example for explanation; specifically, there are four longitudinal notches 601 arranged in the main body of the mounting shell 6, and the longitudinal notches are parallel to the axial direction of the mounting shell; there are three transverse blocks 202b, and the clips 202c on the three transverse blocks are respectively clamped in three of the longitudinal notches 601, that is, three of the four longitudinal notches 601 here are used to respectively install the clips 202c on the three transverse blocks.

[0041] like Fig.13 As shown, the heat dissipation assembly 3 includes a left heat dissipation element and a right heat dissipation element, both of which include a heat dissipation portion 301, and a mounting plate 302 disposed at one end of the heat dissipation portion along the longitudinal direction of the heat dissipation portion; the copper substrate 4 is disposed between the two mounting plates and fixedly connected to the mounting plates; the mounting plate 302 is fixedly connected to the heat dissipation portion 301 by integral molding. Therefore, the left heat dissipation element and the right heat dissipation element here both include a heat dissipation portion 301, and a mounting plate 302 located at one end of the heat dissipation portion is disposed along the longitudinal direction of each heat dissipation portion. Therefore, there are two heat dissipation portions 301 and two mounting plates 302; in order to allow the light of the LED lamp beads 5 to be emitted, it is necessary to set light-transmitting holes 302a in the two mounting plates. The description of the left and right directions in the "left heat dissipation element and the right heat dissipation element" here only indicates the relative position relationship of the two heat dissipations, which is easy to understand.

[0042] like Figure 1-Figure 13 As shown, the heat dissipation part 301 includes a heat dissipation body 301a, a heat dissipation fin part arranged on the heat dissipation body, the heat dissipation fin part includes a large diameter section 301b and a small diameter section 301c integrally formed with the large diameter section, the large diameter section is located in the mounting shell 6; the large diameter section includes a plurality of lower heat dissipation fins 3011b parallel to each other, in each large diameter section, the outer edge of one of the lower heat dissipation fins is extended outward to form an embedded part 301d; the embedded part is embedded in one of the longitudinal notches 601 and the bottom of the embedded part abuts against and fixes the clamping part 202c arranged in the longitudinal notch. Here, the heat dissipation component is processed from a cylindrical aluminum rod, therefore, there must be two virtual cylinders corresponding to the large diameter section 301b and the small diameter section 301c respectively, and the diameters of the two virtual cylinders are different; the large diameter section here is installed in the mounting shell 6, and in order to increase the heat dissipation area, one end of the large diameter section is extended outward to form a small diameter section, which is conducive to increasing the heat dissipation area, thereby improving the heat dissipation effect. Obviously, the small diameter section 301c also includes upper heat sinks whose number is the same as that of the lower heat sinks 3011b, and the lower heat sinks 3011b are integrally formed with the corresponding upper heat sinks.

[0043] like Figure 4-Figure 13As shown, a longitudinal left bar 8 and a longitudinal right bar 9 are formed integrally with the heat dissipation body 301a of the left heat dissipation element respectively on two sides, and the two longitudinal bars are spaced at an angle of 180 degrees; a longitudinal buckle plate 10 is provided along the length direction of the longitudinal left bar 8 on the outer edge. The heat dissipation component 3 of the present application is made of aluminum, and its integral molding manufacturing process adopts the existing technology.

[0044] like Figure 4 As shown, in the four longitudinal notches 601, three of them are respectively installed with three clips 202c, and the remaining longitudinal notch is provided with a thickened portion 602, and a longitudinal recessed portion 601a is provided in the thickened portion, and the longitudinal left strip 8 is embedded in the other longitudinal notch and the longitudinal buckle plate 10 is arranged in the longitudinal recessed portion; among the four longitudinal notches, the longitudinal right strip 9 is embedded in the longitudinal notch 601 which is spaced 180 degrees from the other longitudinal notch and the bottom of the longitudinal right strip 9 is in contact with the clip 202c clipped in the longitudinal notch and fixes the clip; the other longitudinal notch here is the longitudinal notch for installing the longitudinal left strip 8. That is, among the four longitudinal notches 601, three of them are used to install the clips 202c, and two of the clips 202c are fixed in the longitudinal notch 601 by two embedded parts 301d respectively, and the other clip is fixed in the longitudinal notch 601 by the longitudinal right strip 9; the embedded part 301d is embedded in the longitudinal notch 601, and the longitudinal left strip 8 and the longitudinal right strip 9 are respectively embedded in two longitudinal notches 601 with an interval angle of 108 degrees, which is also conducive to fixing the heat dissipation part 301 and preventing the heat dissipation part from rotating relative to the mounting shell 6.

[0045] A thickened portion 602 is provided at the longitudinal notch 601 that is embedded with the longitudinal right strip body 9, and a screw hole 603 is provided on one side of the longitudinal notch. The front end of a transversely arranged screw passes through the screw hole and is fixedly connected to the side of the heat dissipation component 3; when the screw is tightened, the longitudinal left strip body 8 is in close contact with the bottom surface of the longitudinal inner concave portion 601a. ​​That is, when the screw is tightened, the heat dissipation portion 301 is tightened along the radial direction of the mounting housing 6, so that the longitudinal left strip body 8 is in close contact with the bottom surface of the longitudinal inner concave portion 601a, so that the heat dissipation component 3 is locked together with the mounting housing; the thickened portion 602 is provided to increase the strength of the two longitudinal notches 601 where the longitudinal left strip body 8 and the longitudinal right strip body 9 are respectively mounted.

[0046] like Fig.12As shown, in order to install the adapter plate 11, one end of the heat dissipation assembly 3 is provided with a transverse groove 3a, the outer end of the copper base plate 4 is flush with the ends of the two mounting plates 302, the inner end of the copper base plate is located in the transverse groove, and an adapter plate 11 is provided at the inner end of the copper base plate, which is perpendicular to the adapter plate and located in the transverse groove, and the adapter plate is electrically connected to the PCB board 7 through the connecting plate 12. With this structure, the two sides of the transverse groove are actually heat sinks, that is, through this structure, the length of the heat sink is extended without affecting the installation of the adapter plate, which is also beneficial to improve the heat dissipation effect. The structure of the adapter plate being electrically connected to the PCB board 7 through the connecting plate 12 has been described in detail in the authorization announcement number CN221839565U applied by the present applicant and is named as a LED car light including an adapter structure, and will not be repeated here.

[0047] The heat generated by the LED lamp bead 5 when working can obviously be directly conducted to the heat dissipation component 3 through the copper substrate 4 and then dissipated, but it can also be dissipated through the heat dissipation copper tube. Therefore, the present application also provides a heat dissipation solution of the heat dissipation copper tube, and also includes at least one heat dissipation copper tube 13, which is arranged in the heat dissipation component 3 and in contact with the copper substrate 4; Figure 5-Figure 7 shown.

[0048] like Figure 5-Figure 7 As shown, the heat dissipation copper tube 13 is specifically shown here as one, which contacts one side surface of the copper substrate 4; one section of the heat dissipation copper tube is located between the two mounting plates 302, and the other section is located between the two heat dissipation parts 301.

[0049] like Figure 8-Figure 14 As shown, the situation where there are two heat dissipation copper tubes 13 is specifically shown here, that is, there are two heat dissipation copper tubes 13, and the two heat dissipation copper tubes are respectively arranged on both sides of the copper substrate 4 and in contact with the two side surfaces of the copper substrate; one section of the two heat dissipation copper tubes is located between the two mounting plates 302, and the other section is located between the two heat dissipation parts 301.

[0050] like Figure 15-17 As shown, the situation where there are four heat dissipation copper tubes 13 is specifically shown here, that is, there are four heat dissipation copper tubes 13, and the layout is that two of the heat dissipation copper tubes are respectively arranged on both sides of the copper substrate 4 and contact the two side surfaces of the copper substrate, one section of the two heat dissipation copper tubes respectively located on both sides of the copper substrate is located between the two mounting plates 302, and the other section is located between the two heat dissipation parts 301; the other two copper tubes are in contact with the front and rear surfaces of the copper substrate 4 and the two copper tubes are located between the two heat dissipation parts 301.

[0051] like Fig.18As shown, the fan bracket 202 is provided with two clips 202c as an example for explanation; with this structure, the two clips 202c are respectively installed in the two longitudinal notches 601, which is different from the fan bracket structure with three clips in that there is no clip 202c in the longitudinal notch 601 for installing the longitudinal right strip 9, but because the heat dissipation component 3 needs to be fixed, the longitudinal notches 601 in the main body of the installation shell 6 are still four, of which two longitudinal notches are respectively used to install the longitudinal left strip 8 and the longitudinal right strip 9. In other words, there is no special requirement for the number of clips 202c, and setting more than two can meet the requirements of installing the fan component 2.

[0052] In summary, the connector 1 and the mounting shell 6 of the present application are both made of plastic and are made into a whole by injection molding, without the need for assembly; more than two longitudinal notches 601 are provided in the mounting shell 6, and more than two clips 202c are provided on the fan bracket 202 of the fan assembly 2. During assembly, the clips are inserted from the upper opening of the longitudinal notch 601, and then moved along the longitudinal notch to the bottom thereof (the longitudinal notch), so that the clips 202c are in contact with the bottom of the longitudinal notch. After one end of the heat dissipation assembly 3 is installed into the shell, the clips 202c are fixed in the longitudinal notch 601 by the structure on the heat dissipation assembly (i.e., the embedded portion 301d), thereby realizing the installation of the heat dissipation fan 201; compared with the prior art, the combined structure of the connector 1 and the mounting shell 6 of the utility model is easy to process, does not require assembly, and is beneficial to saving processing costs and improving efficiency; the installation structure of the heat dissipation fan is simple and easy to install.

[0053] In the above description, it should be noted that the terms "installed", "connected", "connected" and other corresponding terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal connection of two components; "provided in" should be understood as "installed in, set in", including fixed installation, movable installation and other installation methods.

[0054] Obviously, the embodiments described above are only some embodiments of the utility model, not all embodiments. The preferred embodiments of the utility model are given in the drawings, but they do not limit the patent scope of the utility model. The utility model can be implemented in many different forms. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the utility model more thorough and comprehensive. Any equivalent structure made by using the contents of the utility model specification and drawings, directly or indirectly used in other related technical fields, is also within the scope of protection of the utility model patent.

Claims

1. A vehicle lamp using LED as a light source, comprising a joint assembly of a joint (1) made of plastic, a fan assembly (2) arranged in the joint assembly, a heat dissipation assembly (3), a copper substrate (4) arranged in the heat dissipation assembly, and an LED lamp bead (5) arranged on the copper substrate; an opening is provided at one end of the joint (1), characterized in that: It also comprises a mounting shell (6) made of plastic and having openings at both ends, one end of which is connected to the open end of the joint (1); the mounting shell (6) and the joint (1) are fixedly connected in an integrally formed manner; and at least two longitudinal notches (601) are provided in the body of the mounting shell.

2. A vehicle lamp using LED as a light source as claimed in claim 1, characterized in that: The installation shell (6) is cylindrical and is coaxially assembled with the connector (1); a PCB board (7) is arranged in the connector; the fan assembly (2) comprises a fan (201) and a fan bracket (202); the fan bracket comprises a bracket body (202a), at least two transverse blocks (202b) arranged on the side of the bracket body, and a clamping piece (202c) is arranged at the end of each transverse block; the clamping pieces (202c) are respectively clamped in the longitudinal notch and contact the bottom of the longitudinal notch; the installation shell (6) and the connector (1) are integrally formed by an injection molding process; and an opening is arranged at one end of the longitudinal notch (601).

3. A vehicle lamp using LED as a light source as claimed in claim 2, characterized in that: There are four longitudinal notches (601) provided in the body of the mounting shell (6), and the longitudinal notches are parallel to the axial direction of the mounting shell; there are three transverse blocks (202b), and the clamping parts (202c) on the three transverse blocks are respectively clamped in three of the longitudinal notches (601).

4. A vehicle lamp using LED as a light source as claimed in claim 3, characterized in that: The heat dissipation assembly (3) comprises a left heat dissipation element and a right heat dissipation element, both of which comprise a heat dissipation portion (301) and a mounting plate (302) arranged at one end of the heat dissipation portion along the longitudinal direction of the heat dissipation portion; the copper base plate (4) is arranged between the two mounting plates and is fixedly connected to the mounting plates; the mounting plate and the heat dissipation portion are fixedly connected by an integral molding method.

5. A vehicle lamp using LED as a light source as claimed in claim 4, characterized in that: The heat dissipation portion (301) comprises a heat dissipation body (301a), a heat dissipation fin portion arranged on the heat dissipation body, the heat dissipation fin portion comprising a large diameter section (301b) and a small diameter section (301c) integrally formed with the large diameter section, the large diameter section being located in the mounting shell (6); the large diameter section comprising a plurality of lower heat dissipation fins (3011b) parallel to each other, and in each large diameter section, the outer edge of one of the lower heat dissipation fins is extended outward to form an embedded portion (301d); the embedded portion is embedded in one of the longitudinal notches (601), and the bottom of the embedded portion abuts against a clamping piece (202c) arranged in the longitudinal notch to fix the clamping piece.

6. A vehicle lamp using LED as a light source as claimed in claim 4, characterized in that: A longitudinal left strip (8) and a longitudinal right strip (9) are respectively provided on the two side surfaces of the heat dissipation body (301a) of the left heat dissipation element and are integrally formed with the heat dissipation body, and the two longitudinal strips are spaced at an angle of 180 degrees; a longitudinal buckle plate (10) is provided on the outer edge of the longitudinal left strip (8) along its length direction.

7. A vehicle lamp using LED as a light source as claimed in claim 6, characterized in that: Three of the four longitudinal notches (601) are respectively provided with three clipping members (202c), and a thickened portion (602) is provided at the remaining longitudinal notch, wherein a longitudinal inner recess (601a) is provided in the thickened portion, and the longitudinal left strip (8) is embedded in another longitudinal notch and the longitudinal buckle plate (10) is provided in the longitudinal inner recess; among the four longitudinal notches, the longitudinal right strip (9) is embedded in a longitudinal notch (601) spaced 180 degrees from another longitudinal notch, and the bottom of the longitudinal right strip (9) abuts against the clipping member (202c) clipped in the longitudinal notch to fix the clipping member.

8. The vehicle lamp using LED as a light source as claimed in claim 7, characterized in that: A thickened portion (602) is provided at the longitudinal notch (601) that is embedded in the longitudinal right strip (9), and a screw hole (603) is provided on one side of the longitudinal notch. The front end of a transversely arranged screw passes through the screw hole and is fixedly connected to the side surface of the heat dissipation component (3); when the screw is tightened, the longitudinal left strip (8) is tightly attached to the bottom surface of the longitudinal inner recess (601a).

9. The vehicle lamp using LED as a light source as claimed in claim 4, characterized in that: A transverse groove (3a) is provided at one end of the heat dissipation assembly (3); the outer end of the copper substrate (4) is flush with the ends of the two mounting plates (302); the inner end of the copper substrate is located in the transverse groove; an adapter plate (11) is provided at the inner end of the copper substrate and is perpendicular to the copper substrate and located in the transverse groove; the adapter plate is electrically connected to the PCB board (7) via a connecting plate (12).

10. The vehicle lamp using LED as a light source as claimed in claim 4, characterized in that: It also comprises at least one heat dissipation copper tube (13), which is arranged in the heat dissipation component (3) and in contact with the copper base plate (4).

11. A vehicle lamp using LED as a light source as claimed in claim 10, characterized in that: The heat dissipation copper tube (13) is one and is in contact with one side surface of the copper base plate (4); one section of the heat dissipation copper tube is located between the two mounting plates (302), and the other section is located between the two heat dissipation parts (301).

12. The vehicle lamp using LED as a light source as claimed in claim 10, characterized in that: There are two heat dissipation copper tubes (13), which are respectively arranged on both sides of the copper base plate (4) and in contact with two side surfaces of the copper base plate; one section of the two heat dissipation copper tubes is located between the two mounting plates (302), and the other section is located between the two heat dissipation parts (301).

13. The vehicle lamp using LED as a light source as claimed in claim 10, characterized in that: There are four heat dissipation copper tubes (13), two of which are respectively arranged on both sides of the copper base plate (4) and in contact with two side surfaces of the copper base plate; one section of the two heat dissipation copper tubes respectively arranged on both sides of the copper base plate is located between the two mounting plates (302), and the other section is located between the two heat dissipation parts (301); the other two copper tubes are in contact with the front and rear surfaces of the copper base plate (4) and are located between the two heat dissipation parts (301).

Citation Information

Patent Citations

  • LED car lamp comprising switching structure

    CN221839565U