Backboard heat dissipation type LED display module
By introducing a design in which the heat dissipation backplate and the light panel are tightly fitted into the LED module, and utilizing the convex contact portion and the heat conductive layer to conduct heat, the problem of poor heat dissipation in the existing technology is solved, and efficient heat dissipation and waterproof effects are achieved.
Patent Information
- Application Number
- CN202422730131.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-08
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-11-08
AI Technical Summary
The back panel of the existing LED module cannot fit tightly with the light panel, resulting in poor heat dissipation.
The heat dissipation back panel design is adopted, which fits the back of the light panel through the convex contact part, combined with the thermal conductive layer and waterproof sealing ring to achieve direct heat conduction and dissipation.
The heat dissipation efficiency is improved, the structure is simple and water vapor is effectively prevented from entering.
Smart Images
Figure CN223461970U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a LED display module, especially a LED display module which is cooled by a back plate. BACKGROUND
[0002] As is known to all, LED module is a product which is composed of a certain number of light emitting diodes arranged regularly and then encapsulated, and some waterproof treatment. LED module is a product which is widely used in LED products, and there is a great difference in structure and electronics. A simple LED module is composed of a circuit board with LEDs and a shell, and a complex LED module is composed of some controls, constant current source and related cooling treatment to make the LED life and luminous intensity better. LED module is mainly used for displaying advertisement fonts (acrylic, vacuum forming) and night effect of signs. It uses words or signs as media, and is installed on the top of building or wall surface. It can show the sign effect in the day and another effect at night by using LED as light source, and can control the words or signs by using LED lighting application control system. The back plate of the LED module is generally flat plate structure, and it cannot be closely attached to the lamp plate, so its cooling effect is limited, which is the main defect of the prior art. SUMMARY
[0003] The utility model adopts the technical scheme as follows: a back plate cooling type LED display module, which comprises a lamp plate, a bottom shell and a cooling back plate. The lamp plate is arranged in the bottom shell, and the cooling back plate is arranged on the back of the bottom shell. The lamp plate has a front end face and a back face. A plurality of LED light sources are arranged on the front end face. An external convex contact part is arranged on the cooling back plate. The external convex contact part has a contact surface. The external convex contact part corresponds to the back face of the lamp plate, and the contact surface of the external convex contact part is attached to the back face of the lamp plate.
[0004] The utility model has the advantages that when the utility model works, the LED light sources of the lamp plate are electrified to emit light and generate working heat. The working heat is directly conducted to the cooling back plate through the external convex contact part, and the working heat is directly radiated outward by the cooling back plate. The cooling structure is direct, the cooling efficiency is high, and the structure is simple. BRIEF DESCRIPTION OF DRAWINGS
[0005] Fig. 1 It is a disassembled schematic view of the utility model.
[0006] Fig. 2 It is a three-dimensional structural schematic view of the utility model.
[0007] Fig. 3The utility model discloses a heat dissipation backplate three-dimensional structure schematic diagram.
[0008] Fig. 4 The utility model discloses a heat dissipation backplate second embodiment's three-dimensional exploded structure schematic diagram.
[0009] Fig. 5 The utility model discloses a heat dissipation backplate second embodiment's side view structure schematic diagram.
[0010] Fig. 6 The utility model discloses a heat dissipation backplate third embodiment's three-dimensional structure schematic diagram. Specific implementation
[0011] As Figs. 1 to 6 The utility model discloses a backboard heat dissipation type LED display module, it includes lamp plate 10, bottom shell 20 and heat dissipation backplate 30, wherein, the lamp plate 10 sets up in the bottom shell 20, the heat dissipation backplate 30 covers in the back of the bottom shell 20, the lamp plate 10 has front end surface 11 and back 12, the front end surface 11 is provided with a plurality of LED light sources.
[0012] The heat dissipation backplate 30 is provided with the outer convex contact part 31, the outer convex contact part 31 has the contact surface 32, the outer convex contact part 31 corresponds with the back 12 of the lamp plate 10, the contact surface 32 of the outer convex contact part 31 is attached on the back 12 of the lamp plate 10, when working, the LED light source of the lamp plate 10 is electrified and emits light, and generates working heat, the working heat is directly conducted to the heat dissipation backplate 30 through the outer convex contact part 31, and the working heat is directly radiated outward by the heat dissipation backplate 30, and its heat dissipation structure is direct, and the heat dissipation efficiency is high, and the structure is simple.
[0013] In specific implementation, the contact surface 32 and the back 12 are provided with the heat conduction layer 33, and in practice, the heat conduction layer 33 can be made of heat-conducting silicone grease, heat-conducting glue or other heat-conducting materials.
[0014] In specific implementation, the back 12 of the lamp plate 10 is provided with a plurality of IC modules, and the plurality of IC modules are embedded in the heat conduction layer 33.
[0015] In specific implementation, the outer convex contact part 31 includes a plurality of outer convex platforms 34, and the contact surface 32 is arranged at the end of each outer convex platform 34, a plurality of penetrating windows 21 are arranged in the bottom shell 20 corresponding to the plurality of outer convex platforms 34, the penetrating window 21 corresponds to the outer convex platform 34 one by one, and the outer convex platform 34 is arranged in the penetrating window 21, so that the contact surface 32 is attached to the back 12 of the lamp plate 10.
[0016] In the embodiment, a waterproof sealing ring 40 is arranged between the bottom case 20 and the heat dissipation back plate 30.
[0017] In the embodiment, various specific heat dissipation back plate structures can realize the function of the heat dissipation back plate 30, such as Figs. 1 to 3 As shown in FIG. 2, it is a first embodiment of the heat dissipation back plate 30, the outer convex contact part 31 is four outer convex structures 34, such as Figs. 4 to 5 As shown in FIG. 3, it is a second embodiment of the heat dissipation back plate 30, the outer convex contact part 31 is six outer convex structures 34, such as Fig. 6 As shown in FIG. 4, it is a third embodiment of the heat dissipation back plate 30, the outer convex contact part 31 is a plurality of annular outer convex structures 34.
Claims
1. A backboard heat dissipation type LED display module, comprising a lamp plate, a bottom shell and a heat dissipation backboard, wherein, The lamp panel is arranged in the bottom shell, the heat-dissipating back plate cover is arranged on the back of the bottom shell, the lamp panel has a front end surface and a back surface, a plurality of LED light sources are arranged on the front end surface, characterized in that: the heat-dissipating back plate is provided with an outward convex contact part, the outward convex contact part has a contact surface, the outward convex contact part corresponds to the back surface of the lamp panel, and the contact surface of the outward convex contact part is attached to the back surface of the lamp panel. 2.The backplane heat-dissipation type LED display module of claim 1, wherein: A heat-conducting layer is arranged between the contact surface and the back surface. 3.The backplane heat-dissipation type LED display module of claim 2, wherein: A plurality of IC modules are arranged on the back surface of the lamp panel, and the IC modules are embedded in the heat-conducting layer.
4. The backplane heat dissipation type LED display module according to claim 1, wherein: The outward convex contact part comprises a plurality of outward convex platforms, each of which is provided with the contact surface at the end, a plurality of penetrating windows are arranged in the bottom shell corresponding to the outward convex platforms, the penetrating windows correspond to the outward convex platforms one by one, the outward convex platforms are arranged in the penetrating windows, and the contact surface is attached to the back surface of the lamp panel.
5. The backplane heat dissipation type LED display module according to claim 1, characterized in that: A waterproof sealing ring is arranged between the bottom shell and the heat-dissipating back plate. 6.The backplane heat-dissipation type LED display module of claim 4, wherein: The outward convex contact part is four outward convex platform structures. 7.The backplane heat-dissipation type LED display module of claim 4, wherein: The outward convex contact part is a plurality of annular outward convex platform structures.