Built-in power supply type low-power LED automobile lamp
By incorporating a built-in power supply and heat-conducting components, the design solves the layout inconvenience caused by external power supplies in LED vehicle lights, achieving a simplified overall design and easier installation.
Patent Information
- Application Number
- CN202520467578.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-17
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-03-17
AI Technical Summary
The power supply for existing LED vehicle lights is external, which makes layout inconvenient and prevents them from being integrated into a single unit.
Design an LED automotive light with a built-in power supply. The power supply is built into the cavity of the heat dissipation housing, fixed and dissipated by heat-conducting components, and the LED beads are fixed by a convex lens and a pressure plate, forming a simplified overall structure.
It achieves overall simplification of vehicle lights, saves costs, facilitates installation and layout, and meets different brightness requirements.
Smart Images

Figure CN223782798U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to car light technical field, concretely relates to a built-in power supply type low -power LED car light. BACKGROUND
[0002] Car light is the lamp for lighting, steering and warning.
[0003] The power connected with the existing LED car light is external, and the external power cannot form integration with the car light, thereby bringing inconvenience to the layout. UTILITY MODEL CONTENTS
[0004] In order to overcome the insufficient prior art, the utility model discloses a built-in power supply type low -power LED car light, which comprises:
[0005] The heat dissipation shell has a first end and a second end, the first end is in the form of an opening, a through hole is formed in the second end, a containing cavity is formed in the heat dissipation shell, and the containing cavity is communicated with the through hole.
[0006] The power supply is built in the containing cavity, and the wire connected with the power supply is led out of the containing cavity through the through hole.
[0007] The first heat conduction part is formed on the inner wall of the containing cavity, the power supply is arranged to be pressed between the first heat conduction part and the other side of the inner wall of the containing cavity, and the first heat conduction part is in contact with the power supply for heat dissipation.
[0008] At least one LED lamp bead is fixed in the heat dissipation shell, and the light emitting side of the LED lamp bead faces the first end.
[0009] At least one convex lens is arranged on the first end of the heat dissipation shell, one side of the convex lens is flat and faces the light emitting side of the LED lamp bead, and the convex lens and the LED lamp bead are one-to-one corresponding.
[0010] The pressing plate is matched with the convex lens, and the pressing plate is fixed on the first end of the heat dissipation shell to limit and fix the convex lens.
[0011] In the utility model, a further embodiment is that a second heat conduction part is arranged in the heat dissipation shell, the second heat conduction part separates the containing cavity, and the LED lamp bead is fixed on the end face of the second heat conduction part.
[0012] In the utility model, a further embodiment is that a first sunken platform is formed on the first end of the heat dissipation shell, positioning bosses are formed on the two sides of the first sunken platform, one side of the convex lens is flat and forms a positioning plate matched with the first sunken platform, and positioning grooves are formed on the two sides of the positioning plate and matched with the positioning bosses.
[0013] The further implementation scheme is that the heat dissipation shell is provided with a second sink on one end, the second sink is outside the first sink, and the pressing plate is fixed on the second sink through screw locking.
[0014] The further implementation scheme is that the pressing plate is provided with an avoiding hole, the other side of the convex lens passes through the avoiding hole, and the inner end surface of the pressing plate is pressed against the outer end surface of the positioning plate.
[0015] The further implementation scheme is that the heat dissipation shell is provided with heat dissipation fins.
[0016] Compared with the prior art, the utility model has the beneficial effects that:
[0017] The heat dissipation shell is provided with a containing cavity, the power supply is arranged in the containing cavity, the electric wire is led out through the through hole, the first heat conduction part is arranged in the containing cavity, the power supply is fixed and heat-conducted, the second heat conduction part is arranged in the containing cavity, the LED lamp bead is fixed on the second heat conduction part, the convex lens is fixed on the heat dissipation shell through the pressing plate, the number of the LED lamp bead and the convex lens is one-to-one and multiple can be designed, thereby forming the specifications of single lamp, double lamps and multiple lamps, different brightness requirements are met, the power supply is arranged in the containing cavity, the vehicle lamp is formed as a whole and is simple, cost is saved, and installation and layout are facilitated.
[0018] The utility model will be further described in detail in combination with the drawings and specific embodiments. DRAWINGS
[0019] Figure 1 It is a structure schematic view of a low-power LED vehicle lamp with three specifications of built-in power supply type;
[0020] Figure 2 It is an explosion structure schematic view of the utility model;
[0021] Figure 3 It is a structure schematic view of the convex lens installed on the heat dissipation shell;
[0022] Figure 4 It is a structure schematic view of the heat dissipation shell of single LED lamp bead specification;
[0023] Figure 5 It is a structure schematic view of the heat dissipation shell of double LED lamp bead specification. CONCRETE EMBODIMENT
[0024] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model.
[0025] Examples of the embodiments are illustrated in the accompanying drawings, throughout which like or similar designations are used to represent like or similar elements or elements having the same or similar functions. The embodiments described below by reference to the drawings are exemplary and are intended to be illustrative of the present application, and are not to be construed as limiting the present application.
[0026] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "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 the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.
[0027] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0028] As Figure 1 The present embodiment provides a kind of built-in power supply type low-power LED car light, comprising:
[0029] As Figure 4 , the heat dissipation shell 1 has first end 10 and second end 11, the first end 10 is in the form of opening, the second end 11 is provided with through hole 12, the heat dissipation shell 1 is formed with accommodating cavity 13 inside, the accommodating cavity 13 is communicated with through hole 12, the heat dissipation shell 1 is distributed with heat dissipation fin outside, and heat dissipation is accelerated.
[0030] It also includes power supply (not shown in the figure), power supply belongs to existing product, not described, built-in in accommodating cavity 13 and the wire connected therewith is led out outside through through hole 12, the inner wall of accommodating cavity 13 is formed with first heat conduction part 14, the power supply is configured to be extruded between first heat conduction part 14 and the other side inner wall of accommodating cavity 13, and the power supply is in contact with first heat conduction part 14 and is cooled, first heat conduction part 14 not only plays a role of fixing power supply, but also can accelerate the heat dissipation of power supply, so that the power supply is built-in, the car light forms whole and is simple, not only saves cost, but also is convenient for installation and layout.
[0031] In the embodiment, at least one LED lamp bead (not shown in the figure) is further included, the LED lamp bead is fixed in the heat dissipation shell 1, and a light emitting side of the LED lamp bead faces outward from the first end 10. In the scheme, 1-3 LED lamp beads are arranged. The number is only used for display in the embodiment, and the number is not specifically limited. Single lamp, double lamp and multi-lamp specifications are formed to meet different brightness requirements. Please refer to Figure 1 .
[0032] The second heat conduction part 15 is arranged in the heat dissipation shell 1, the second heat conduction part 15 separates the accommodating cavity 13, the LED lamp bead is fixed on an end face of the second heat conduction part 15, the second heat conduction part 15 plays a fixing role with the LED lamp bead and also plays a heat dissipation role on the LED lamp bead.
[0033] As Figure 2 and Figure 3 at least one convex lens 2 is further included, the convex lens 2 is arranged on the first end 10 of the heat dissipation shell 1, one side of the convex lens 2 with a plane faces a light emitting side of the LED lamp bead, the convex lens 2 and the LED lamp bead one-to-one correspond, a first sunken table 100 is formed on the first end 10 of the heat dissipation shell 1, positioning bosses 101 are formed on both sides of the first sunken table 100 in a matched mode, the positioning plate 20 with a plane on one side of the convex lens 2 is formed in a matched mode with the first sunken table 100, positioning grooves 21 are formed on both sides of the positioning plate 20, and the positioning bosses 101 are positioned and adapted, so that the convex lens 2 can be correctly positioned and installed on the heat dissipation shell 1.
[0034] The pressure plate 3 is further included, the pressure plate 3 is adapted to the convex lens 2, the pressure plate 3 is fixed on the first end 10 of the heat dissipation shell 1 to limit and fix the convex lens 2, a second sunken table 102 is formed on one end of the heat dissipation shell 1, the second sunken table 102 is outside the first sunken table 100, the pressure plate 3 is fixed on the second sunken table 102 through locking screws, the pressure plate 3 is provided with an avoiding hole 30, the other side of the convex lens 2 passes through the avoiding hole 30, and the inner end face of the pressure plate 3 is in pressure contact with the outer end face of the positioning plate 20. During installation, the convex lens 2 is first installed on the first sunken table 100, then the pressure plate 3 is installed on the second sunken table 102, and the locking screws are locked to complete the installation of the whole.
[0035] The above-mentioned embodiments are only preferred embodiments of the utility model, and cannot be used to limit the range of protection of the utility model. Any non-substantial change and replacement made by a person skilled in the art on the basis of the utility model belongs to the range of protection required by the utility model.
Claims
1. A low power LED automotive lamp with built-in power supply, characterized in that, The utility model relates to a heat dissipation shell, a power supply and a plurality of LED lamp beads, and relates to the technical field of LED lamp beads. The heat dissipation shell has a first end and a second end, the first end is in the form of an opening, and a through hole is formed in the second end; a containing cavity is formed in the heat dissipation shell, and the containing cavity is connected to the through hole; The power supply is arranged in the containing cavity, and the power supply is connected to an electric wire which is led out of the heat dissipation shell through the through hole; A first heat conduction part is arranged on the inner wall of the containing cavity, and the power supply is arranged between the first heat conduction part and the other inner wall of the containing cavity; the power supply is in contact with the first heat conduction part, and heat is dissipated through the contact; A plurality of LED lamp beads are arranged in the heat dissipation shell, and the light emitting side of each LED lamp bead faces the first end; A plurality of convex lenses are arranged on the first end of the heat dissipation shell, and the side of each convex lens which is in the form of a plane faces the light emitting side of the corresponding LED lamp bead; A pressing plate is arranged on the first end of the heat dissipation shell, and the pressing plate is matched with the convex lenses and is used for fixing the convex lenses.
2. A small power LED vehicle lamp with built-in power supply according to claim 1, characterized in that, A second heat conduction part is arranged in the heat dissipation shell, and the second heat conduction part separates the containing cavity; the LED lamp beads are arranged on the end face of the second heat conduction part.
3. The built-in power supply type low-power LED vehicle light according to claim 1, characterized in that, A first sunken part is formed on the first end of the heat dissipation shell, and positioning bosses are arranged on the two sides of the first sunken part; the side of each convex lens which is in the form of a plane is provided with a positioning plate which is matched with the first sunken part; positioning grooves are formed in the two sides of the positioning plate and are matched with the positioning bosses.
4. The built-in power supply type low-power LED vehicle light according to claim 3, characterized in that, A second sunken part is formed on one end of the heat dissipation shell, and the second sunken part is arranged outside the first sunken part; the pressing plate is fixed on the second sunken part through screws.
5. The built-in power supply type low power LED vehicle light according to claim 1, wherein An avoiding hole is formed in the pressing plate, and the other side of each convex lens passes through the avoiding hole; the inner end face of the pressing plate is in contact with the outer end face of the positioning plate.
6. The built-in power supply type low power LED vehicle light according to claim 1, wherein The heat dissipation shell is provided with heat dissipation fins.