CN220623847U - Novel LED heat radiation structure for vehicle-mounted working lamp - Google Patents
Novel LED heat radiation structure for vehicle-mounted working lamp Download PDFInfo
- Publication number
- CN220623847U CN220623847U CN202321812306.8U CN202321812306U CN220623847U CN 220623847 U CN220623847 U CN 220623847U CN 202321812306 U CN202321812306 U CN 202321812306U CN 220623847 U CN220623847 U CN 220623847U
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- Prior art keywords
- lamp
- lamp bead
- driving plate
- led
- vehicle
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- 230000005855 radiation Effects 0.000 title claims description 5
- 239000011324 bead Substances 0.000 claims abstract description 98
- 241000258971 Brachiopoda Species 0.000 claims abstract description 16
- 230000017525 heat dissipation Effects 0.000 claims abstract description 11
- 239000000758 substrate Substances 0.000 claims description 37
- 239000003292 glue Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 9
- 229910052782 aluminium Inorganic materials 0.000 description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 7
- 229910052802 copper Inorganic materials 0.000 description 7
- 239000010949 copper Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model relates to the field of vehicle-mounted working lamps, and particularly provides a novel LED heat dissipation structure for a vehicle-mounted working lamp. The utility model uses the lamp bead to be directly attached to the lamp shell or the radiating fin, so that the heat generated by the lamp bead during operation can be directly transmitted to the lamp shell or the radiating fin, and the traditional process of attaching the lamp bead to the PCB is simplified, and the PCB is attached to the lamp shell or the radiating fin for multiple times.
Description
Technical Field
The utility model relates to the field of vehicle-mounted working lamps, in particular to a novel LED radiating structure for a vehicle-mounted working lamp.
Background
In the existing vehicle-mounted working lamp, heat of lamp beads is conducted to a lamp shell or a radiating fin, heat conduction is conducted through a contact position between a lamp bead substrate and an aluminum substrate/copper substrate, and then heat conduction is conducted through a contact position between the aluminum substrate/copper substrate and the lamp shell or the radiating fin, if an aluminum substrate is used, an insulating layer is further arranged in the aluminum substrate, and the insulating layer has heat insulation performance as well, so that efficiency in heat conduction is lower. After heat conduction for many times, the heat conduction effect is relatively poor, namely the temperature of the lamp beads in normal operation can be higher, the light efficiency can be lower, and the service life can be shorter.
Therefore, it is necessary to provide a novel heat dissipation structure for an LED of a vehicle-mounted working lamp to solve the above technical problems.
Disclosure of Invention
The utility model aims at solving the technical problems of the prior art, and provides a novel LED radiating structure for a vehicle-mounted working lamp, wherein an LED lamp bead substrate is directly attached to a lamp shell or radiating fins, so that heat on the lamp bead can be directly and rapidly conducted to the lamp shell or radiating fins, the multiple heat conduction from the lamp bead to the substrate, from the substrate to the shell and the like in the prior art is reduced, the novel process greatly improves the heat conduction efficiency, the heat on the lamp bead is more and more rapidly conducted to the shell, the temperature of the lamp bead is reduced, and the light efficiency and the service life of the lamp bead are improved.
In order to achieve the above purpose, the technical scheme of the utility model is as follows: the utility model provides a novel heat radiation structure of LED for on-vehicle work lamp, includes lamp housing, drive plate subassembly and drive plate set screw, the drive plate subassembly passes through drive plate set screw fixed connection in inside the lamp housing, LED lamp pearl is installed to lamp housing one side, the lamp pearl electrode connection piece is installed to the lamp housing, the drive plate subassembly still includes drive plate, drive plate lamp pearl negative pole pad and drive plate lamp pearl positive pole pad, the through-hole that the LED lamp pearl passed on the drive plate passes through heat dissipation glue and adheres the lamp pearl base plate on the lamp housing.
The driving plate is provided with a driving plate lamp bead negative electrode bonding pad, and the driving plate is provided with a driving plate lamp bead positive electrode bonding pad.
The LED lamp bead comprises a lamp bead substrate, a lamp bead chip and a lamp bead electrode, wherein the lamp bead substrate is provided with the lamp bead chip, the lamp bead electrode is arranged on the surface of the lamp bead substrate, and the lamp bead electrode, a lamp bead negative electrode pad of a driving plate and a lamp bead positive electrode pad of the driving plate are connected through a lamp bead electrode connecting sheet in a butt welding mode.
The LED lamp beads are electrically connected with the driving plate assembly in a further arrangement mode.
Compared with the related art, the novel LED heat dissipation structure for the vehicle-mounted working lamp has the following beneficial effects:
the utility model provides a novel LED radiating structure for a vehicle-mounted working lamp, wherein lamp beads of the vehicle-mounted working lamp in the prior art are adhered to an aluminum substrate/copper substrate, and then the aluminum substrate/copper substrate is locked on a lamp shell or a radiating fin through screws or other fixing modes. The heat conduction process of the lamp beads is that firstly, the heat is conducted to an aluminum substrate/copper substrate by the lamp bead substrate, then the heat is conducted to a lamp shell or a radiating fin by the aluminum substrate/copper substrate, and the heat of the lamp body is radiated into the air by utilizing air convection; according to the technical scheme, the LED lamp bead substrate is directly attached to the lamp shell or the radiating fin, heat on the lamp bead can be directly and rapidly conducted to the lamp shell or the radiating fin, multiple heat conduction from the lamp bead to the substrate and from the substrate to the shell in the prior art is reduced, the heat conduction efficiency is greatly improved by the novel process, more heat on the lamp bead is rapidly and rapidly transferred to the shell, the temperature of the lamp bead is reduced, the light efficiency and the service life of the lamp bead are improved, and the technical problem of poor radiating effect is solved.
Drawings
FIG. 1 is a schematic diagram of a novel heat dissipation structure for LEDs of a vehicle-mounted work light according to a preferred embodiment of the present utility model;
FIG. 2 is an exploded perspective view of the present utility model;
FIG. 3 is a schematic perspective view of a drive plate assembly according to the present utility model;
fig. 4 is a schematic perspective view of an LED lamp bead according to the present utility model.
Reference numerals in the drawings: 1. a lamp housing; 2. a drive plate assembly; 3. driving the plate fixing screw; 4. LED lamp beads; 5. a lamp bead electrode connecting sheet; 21. a driving plate; 22. driving a plate lamp bead cathode bonding pad; 23. driving a plate lamp bead anode bonding pad; 41. a lamp bead substrate; 42. a lamp bead chip; 43. and a lamp bead electrode.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Exemplary embodiments of the present utility model are illustrated in the accompanying drawings.
Embodiment one:
as shown in fig. 1-4, the novel heat dissipation structure of an LED for a vehicle-mounted working lamp according to the present utility model includes a lamp housing 1, a driving board assembly 2 and a driving board fixing screw 3, wherein the driving board assembly 2 is fixedly connected to the inside of the lamp housing 1 through the driving board fixing screw 3, an LED lamp bead 4 is mounted on one side of the lamp housing 1, a lamp bead electrode connecting sheet 5 is mounted on the lamp housing 1, the driving board assembly 2 further includes a driving board 21, a driving board lamp bead cathode bonding pad 22 and a driving board lamp bead anode bonding pad 23, and the LED lamp bead 4 penetrates through a through hole on the driving board 21 to adhere a lamp bead substrate 41 to the lamp housing 1 through heat dissipation glue.
As shown in fig. 3, a driving board bead cathode bonding pad 22 is mounted on the driving board 21, and a driving board bead anode bonding pad 23 is provided on the driving board 21. The LED lamp beads 4 are electrically connected with the driving plate assembly 2.
As shown in fig. 3-4, the LED lamp bead 4 further includes a lamp bead substrate 41, a lamp bead chip 42, and a lamp bead electrode 43, the lamp bead chip 42 is mounted on the lamp bead substrate 41, the lamp bead electrode 43 is disposed on the surface of the lamp bead substrate 41, and the lamp bead electrode 43, the driving board lamp bead negative electrode pad 22, and the driving board lamp bead positive electrode pad 23 are butt-welded together through the lamp bead electrode connecting sheet 5. After the power is on, the lamp bead chip 42 can emit light, and heat is generated at the same time, and is directly conducted onto the lamp housing 1 through the lamp bead substrate 41, so that the temperature of the LED lamp beads 4 can be quickly reduced, and the light efficiency and the service life are improved.
In practice, the lamp beads are directly attached to the lamp housing 1 or the radiating fins, so that heat generated during the operation of the lamp beads can be directly conducted to the lamp housing 1 or the radiating fins, the traditional process that the lamp beads are attached to the PCB is simplified, and the PCB is attached to the lamp housing 1 or the radiating fins for multiple times.
The technical scheme adopts the lamp bead to be separated from the driving plate 21, the lamp bead is singly fixed on the lamp housing 1 by using heat dissipation glue, and the heat generated by the lamp bead 4 during working can be directly conducted to the lamp housing 1. In this way, the driving plate 21 can be made of a material with good heat conduction without selecting an aluminum substrate/copper substrate, and a common glass fiber board can be directly selected. The electric connection between the lamp beads and the driving plate 21 is realized by connecting the positive and negative electrodes of the lamp beads with the positive and negative electrodes of the output end in the driving plate 21 by using the lamp bead electrode connecting sheet 5 through a butt welding process.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A novel heat radiation structure of LED for on-vehicle work lamp, including lamp housing (1), drive plate subassembly (2) and drive plate set screw (3), its characterized in that: the LED lamp comprises a lamp shell (1), and is characterized in that the driving plate assembly (2) is fixedly connected inside the lamp shell (1) through a driving plate fixing screw (3), an LED lamp bead (4) is arranged on one side of the lamp shell (1), a lamp bead electrode connecting sheet (5) is arranged on the lamp shell (1), the driving plate assembly (2) further comprises a driving plate (21), a driving plate lamp bead negative electrode bonding pad (22) and a driving plate lamp bead positive electrode bonding pad (23), and the LED lamp bead (4) penetrates through a through hole in the driving plate (21) to adhere a lamp bead substrate (41) to the lamp shell (1) through heat dissipation glue.
2. The novel LED heat dissipation structure for the vehicle-mounted working lamp according to claim 1, wherein a driving plate lamp bead negative electrode bonding pad (22) is arranged on the driving plate (21), and a driving plate lamp bead positive electrode bonding pad (23) is arranged on the driving plate (21).
3. The novel heat radiation structure of an LED for a vehicle-mounted working lamp according to claim 2, wherein the LED lamp bead (4) further comprises a lamp bead substrate (41), a lamp bead chip (42) and a lamp bead electrode (43), the lamp bead chip (42) is mounted on the lamp bead substrate (41), the lamp bead electrode (43) is arranged on the surface of the lamp bead substrate (41), and the lamp bead electrode (43), the driving board lamp bead negative electrode pad (22) and the driving board lamp bead positive electrode pad (23) are connected by butt welding through a lamp bead electrode connecting sheet (5).
4. The novel heat dissipation structure for the LED of the vehicle-mounted working lamp according to claim 1, wherein the LED lamp beads (4) are electrically connected with the driving plate assembly (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321812306.8U CN220623847U (en) | 2023-07-11 | 2023-07-11 | Novel LED heat radiation structure for vehicle-mounted working lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321812306.8U CN220623847U (en) | 2023-07-11 | 2023-07-11 | Novel LED heat radiation structure for vehicle-mounted working lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220623847U true CN220623847U (en) | 2024-03-19 |
Family
ID=90219094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321812306.8U Active CN220623847U (en) | 2023-07-11 | 2023-07-11 | Novel LED heat radiation structure for vehicle-mounted working lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220623847U (en) |
-
2023
- 2023-07-11 CN CN202321812306.8U patent/CN220623847U/en active Active
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