Aluminum-based circuit board for LED lamp
By introducing a heat-conducting plate, heat sink, and thermal grease layer into the aluminum-based circuit board of the LED lamp, the problem of poor heat dissipation is solved, and better heat dissipation performance and lighting range adjustment are achieved.
Patent Information
- Application Number
- CN202520344157.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-02-28
AI Technical Summary
Existing aluminum-based circuit boards for LED lights lack heat dissipation structures, resulting in poor heat dissipation and easy damage after prolonged use.
An aluminum-based circuit board structure including a heat-conducting plate and a heat sink was designed. The heat is conducted through the heat-conducting plate and dissipated by the heat sink. At the same time, a thermally conductive silicone grease layer is used to enhance the thermal conductivity, and the spacing between the circuit boards is adjusted by an adjustment mechanism to avoid heat accumulation.
It improves the heat dissipation of aluminum-based circuit boards, reduces the risk of damage caused by heat accumulation, and expands or reduces the lighting range through the adjustment mechanism.
Smart Images
Figure CN223740748U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to aluminium base circuit board technical field, concretely relates to an aluminium base circuit board for LED lamp. BACKGROUND
[0002] LED lamp is a piece of electroluminescent semiconductor material chip, silver glue or white glue solidifies to support, then silver line or gold line connects chip and circuit board, four sides are sealed with epoxy resin, play the role of protection inside core line, finally install shell, so the anti -shock performance of LED lamp is good.
[0003] The existing LED lamp aluminium base circuit board is usually integrative design, the lamp body on the surface of aluminium base circuit board generates heat when working, and the heat will increase with time, the existing LED lamp aluminium base circuit board does not have the heat dissipation structure, lead to the heat dissipation effect of aluminium base circuit board is poor, therefore when LED lamp uses for a long time, easily cause aluminium base circuit board damage. UTILITY MODEL CONTENTS
[0004] The utility model discloses an aluminium base circuit board for LED lamp to solve the problem in the background art.
[0005] To achieve the above object, the utility model provides an aluminium base circuit board for LED lamp, including circuit board main part, the circuit board main part is provided with a plurality of, a plurality of the circuit board main part surface all is provided with LED lamp pearl, the circuit board main part bottom fixedly arranged with heat conduction board, the heat conduction board bottom fixedly arranged with a plurality of evenly distributed radiating fins, a plurality of the circuit board main part between all is provided with adjusting mechanism, the adjusting mechanism includes four fixed blocks, four The fixed block is fixedly arranged in two circuit board main part side wall, the fixed block between same side two fixedly arranged with the pivot, two The pivot all fixedly arranged with U type board, two The U type board between fixedly arranged with electric push rod, one of the pivot rotatably arranged with two first connecting rods, another The pivot rotatably arranged with two second connecting rods, two The first connecting rod far from pivot one end respectively with two second connecting rods hinged.
[0006] As a further improvement of the technical solution, the circuit board main part side wall is fixedly provided with an L-shaped plate, the bottom end of the L-shaped plate is fixedly provided with a mounting plate, and a bolt is penetratingly arranged on the mounting plate.
[0007] As a further improvement of the technical solution, the bottom of the mounting plate is fixedly provided with a shock pad, and a through hole for the bolt to penetrate is formed in the shock pad.
[0008] As a further improvement of the technical solution, the top of the heat conduction plate is provided with a heat-conducting silicone grease layer, and the heat-conducting silicone grease layer is tightly attached to the bottom of the circuit board main body.
[0009] As a further improvement to this technical solution, the two ends of the rotating shaft are respectively fixed to the two inner ends of the U-shaped plate, the electric push rod is fixedly installed on the outer wall of one U-shaped plate, and the output end of the electric push rod is fixed to the outer wall of another U-shaped plate.
[0010] As a further improvement to this technical solution, the two first connecting rods and the two second connecting rods are arranged in an alternating vertical distribution, and the two first connecting rods and the two second connecting rods form a rhombus structure.
[0011] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0012] 1. By setting up a heat-conducting plate, the heat of the circuit board body is conducted through the heat-conducting plate, and then the heat is dissipated outward through multiple heat sinks. The gap between the circuit board body and the heat-conducting plate is filled by a layer of thermal grease. The thermal grease has good thermal conductivity, which makes the heat transfer between the circuit board body and the heat-conducting plate better, thereby improving the heat dissipation effect of the circuit board body.
[0013] 2. By setting an adjustment mechanism and adjusting the distance between multiple circuit board bodies, the lighting range of LED beads can be expanded or reduced. Furthermore, by keeping multiple circuit board bodies apart from each other, heat accumulation between them can be avoided. Compared with traditional integrated aluminum-based circuit boards, this improves the heat dissipation effect of the circuit board bodies. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0015] Figure 2 This is a schematic diagram of the main structure of the circuit board of the utility model;
[0016] Figure 3 This is a schematic diagram of the structure of the adjustment mechanism of the utility model;
[0017] Figure 4 This is a cross-sectional structural schematic diagram of the adjustment mechanism of the utility model.
[0018] The meanings of the labels in the diagram are as follows:
[0019] 1. Circuit board body; 2. LED beads; 3. Heat-conducting plate; 4. Heat sink; 5. Adjustment mechanism; 51. Fixing block; 52. Rotating shaft; 53. U-shaped plate; 54. Electric push rod; 55. First connecting rod; 56. Second connecting rod; 6. L-shaped plate; 7. Mounting plate; 8. Shock-absorbing pad; 9. Thermal grease layer. Detailed Implementation
[0020] Clearly and completely describe the technical scheme in the embodiments of the utility model with the drawings in the embodiments of the utility model, obviously, the described embodiment is only a part of the embodiment of the utility model, and is not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the scope of the utility model protection.
[0021] In the description of the utility model, it is understood that the orientation or position relation indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is the orientation or position relation shown based on the drawing, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore can not be understood as a limitation on the utility model.
[0022] Please refer to Figures 1-4 The utility model provides a kind of aluminum base circuit board for LED lamp, including circuit board main body 1, circuit board main body 1 is provided with multiple, multiple circuit board main body 1 surface is all provided with LED lamp pearl 2, LED lamp pearl 2 is evenly distributed, circuit board main body 1 bottom is fixedly provided with heat conduction plate 3, heat conduction plate 3 bottom is fixedly provided with multiple evenly distributed radiating fins 4, heat conduction plate 3 top is provided with heat-conducting silicone grease layer 9, heat-conducting silicone grease layer 9 and circuit board main body 1 bottom are closely attached, when LED lamp pearl 2 works, the heat of circuit board main body 1 is conducted through heat conduction plate 3, then heat is dissipated outward through multiple radiating fins 4, the gap between circuit board main body 1 and heat conduction plate 3 is filled by heat-conducting silicone grease layer 9, heat-conducting silicone grease has good heat conduction performance, so that the heat transfer effect between circuit board main body 1 and heat conduction plate 3 is better, and then the heat dissipation effect of circuit board main body 1 is improved, L-shaped plate 6 is fixedly provided on the side wall of circuit board main body 1, mounting plate 7 is fixedly provided at the bottom end of L-shaped plate 6, bolt is provided on mounting plate 7, shock pad 8 is fixedly provided at the bottom of mounting plate 7, through hole for bolt penetration is formed in shock pad 8, mounting plate 7 is installed and fixed by bolt, the vibration received by circuit board main body 1 is buffered by shock pad 8, and the influence of external vibration on circuit board main body 1 is reduced.
[0023] The adjusting mechanism 5 is arranged between the plurality of circuit board bodies 1, the adjusting mechanism 5 comprises four fixed blocks 51, the four fixed blocks 51 are fixedly arranged on the side walls of the two circuit board bodies 1, the two fixed blocks 51 on the same side are fixedly provided with a rotating shaft 52, the two rotating shafts 52 are fixedly provided with U-shaped plates 53, the two ends of the rotating shaft 52 are fixedly arranged on the inner sides of the two ends of the U-shaped plate 53, an electric push rod 54 is fixedly arranged on the outer wall of one U-shaped plate 53, the output end of the electric push rod 54 is fixedly arranged on the outer wall of the other U-shaped plate 53, two first connecting rods 55 are rotatably arranged on one rotating shaft 52, two second connecting rods 56 are rotatably arranged on the other rotating shaft 52, the two ends of the two first connecting rods 55 are hingedly connected with the two second connecting rods 56, the two first connecting rods 55 and the two second connecting rods 56 are arranged in an upper and lower staggered mode, the two first connecting rods 55 and the two second connecting rods 56 form a rhombus structure, the electric push rod 54 is started, the U-shaped plate 53 is driven to move forward and backward through the extension and retraction of the electric push rod 54, the two second connecting rods 56 are driven to overturn by the U-shaped plate 53, the two first connecting rods 55 are synchronously driven to overturn by the two second connecting rods 56, the two U-shaped plates 53 are made to approach or move away from each other, the two circuit board bodies 1 adjacent to the two U-shaped plates 53 are made to approach or move away from each other, the distance between the plurality of circuit board bodies 1 is adjusted, the illumination range of the LED lamp beads 2 can be expanded or reduced, the plurality of circuit board bodies 1 are made to move away from each other, the heat of the plurality of circuit board bodies 1 is avoided from being gathered, compared with the traditional aluminum-based circuit board of integrated design, the heat dissipation effect of the circuit board body 1 can be improved.
[0024] The specific working principle of the utility model is: when the LED lamp beads 2 work, the heat of the circuit board body 1 is conducted through the heat conduction plate 3, and then the heat is radiated outward through the plurality of radiating fins 4, the gap between the circuit board body 1 and the heat conduction plate 3 is filled through the heat conduction silicone grease layer 9, the heat conduction silicone grease has good heat conduction performance, the heat conduction effect between the circuit board body 1 and the heat conduction plate 3 is better, and then the heat dissipation effect of the circuit board body 1 is improved, the distance between the plurality of circuit board bodies 1 is adjusted, the illumination range of the LED lamp beads 2 can be expanded or reduced, the plurality of circuit board bodies 1 are made to move away from each other, the heat of the plurality of circuit board bodies 1 is avoided from being gathered, compared with the traditional aluminum-based circuit board of integrated design, the heat dissipation effect of the circuit board body 1 can be improved.
[0025] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.
Claims
1. An aluminum-based circuit board for LED lamps, comprising a circuit board body (1), wherein a plurality of LED lamp beads (2) are arranged on the surface of each of the plurality of circuit board bodies (1), characterized in that: The bottom of the circuit board body (1) is fixedly provided with a heat conduction plate (3), the bottom of the heat conduction plate (3) is fixedly provided with a plurality of evenly distributed heat dissipation fins (4), the adjusting mechanism (5) is arranged between a plurality of the circuit board bodies (1), the adjusting mechanism (5) comprises four fixed blocks (51), the four fixed blocks (51) are fixedly arranged on the side walls of two circuit board bodies (1), the fixed blocks (51) on the same side are fixedly provided with a rotating shaft (52) between them, the rotating shaft (52) is fixedly provided with a U-shaped plate (53) on both ends, the U-shaped plates (53) are fixedly provided with an electric push rod (54) between them, one of the rotating shafts (52) is rotatably provided with two first connecting rods (55), the other rotating shaft (52) is rotatably provided with two second connecting rods (56), the first connecting rods (55) are hingedly connected with the second connecting rods (56) at the ends away from the rotating shaft (52).
2. The aluminum-based circuit board for an LED lamp according to claim 1, characterized by: The side wall of the circuit board body (1) is fixedly provided with an L-shaped plate (6), the bottom end of the L-shaped plate (6) is fixedly provided with a mounting plate (7), and the mounting plate (7) is provided with a bolt penetrating through.
3. The aluminum-based circuit board for an LED lamp according to claim 2, characterized by: The bottom of the mounting plate (7) is fixedly provided with a shock pad (8), and the shock pad (8) is provided with a through hole for the bolt penetrating through.
4. The aluminum-based circuit board for an LED lamp according to claim 1, characterized by: The top of the heat conduction plate (3) is provided with a heat conduction silicone grease layer (9), and the heat conduction silicone grease layer (9) is tightly attached to the bottom of the circuit board body (1).
5. The aluminum-based circuit board for LED lamps according to claim 1, characterized in that: The two ends of the rotating shaft (52) are fixedly connected with the inner sides of the U-shaped plates (53), the electric push rod (54) is fixedly arranged on the outer wall of one U-shaped plate (53), and the output end of the electric push rod (54) is fixedly connected with the outer wall of the other U-shaped plate (53).
6. The aluminum-based circuit board for an LED lamp according to claim 1, characterized by: The first connecting rods (55) and the second connecting rods (56) are arranged in an upper and lower staggered manner, and the first connecting rods (55) and the second connecting rods (56) form a rhombus structure.