Three-dimensional light-emitting diode (LED) luminous font

By introducing a heat dissipation structure into the three-dimensional LED illuminated lettering, and using the expansion and arching of the metal plate to expose the mesh plate by moving the movable plate, the short circuit problem caused by the overheating of the light strip is solved, achieving effective heat dissipation and extended lifespan.

CN223728425UActive Publication Date: 2025-12-26QUANZHOU HAOXING LOGO CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423143710.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-19
Publication Date
2025-12-26
Estimated Expiration
2034-12-19

AI Technical Summary

Technical Problem

Existing 3D LED illuminated lettering is prone to overheating after prolonged power-on, leading to problems such as short circuits in the LED strips and affecting its lifespan.

Method used

The heat dissipation structure includes components such as metal plates, heat-conducting strips, and movable plates. When the metal plates overheat, they expand and arch, causing the movable plates to expose the mesh plates, thereby achieving internal heat dissipation.

Benefits of technology

It effectively prevents the illuminated lettering from overheating, improves heat dissipation efficiency, and extends service life.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223728425U_ABST
    Figure CN223728425U_ABST
Patent Text Reader

Abstract

The utility model discloses a three-dimensional light-emitting diode (LED) luminous font which structurally comprises a luminous font body, a panel arranged on the surface of the luminous font body and a heat dissipation structure arranged on the rear surface of the luminous font body. The LED lamp has the advantages that the lamp strips in the light-emitting fonts are installed in cooperation with the metal plates, under the condition that the lamp strips are overheated, the metal plates expand and hunch upwards through the heat conduction effect, so that the movable plates are driven to move upwards synchronously, the net plates are exposed, and conditions are provided for air circulation; the internal heat dissipation of the luminous font in use is improved, and overheating is prevented.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of advertising sign, more exactly, it is a three -dimensional LED luminous font. BACKGROUND

[0002] The existing three -dimensional LED luminous font is easy to appear overheating phenomenon in the inside light bar when using, easy to cause the surface temperature of luminous font to rise and the light bar appears short circuit phenomenon simultaneously, and then is not favorable to the use of light bar.

[0003] Therefore, at present, there is an urgent need for a three -dimensional LED luminous font that can drive heat dissipation autonomously according to the temperature of the internal light bar when using the three -dimensional LED luminous font. UTILITY MODEL CONTENT

[0004] In view of the deficiencies in the prior art, the utility model aims to provide a three -dimensional LED luminous font to solve the defects in the above background art.

[0005] In order to achieve the above object, the utility model is realized through the following technical scheme:

[0006] A three -dimensional LED luminous font, its structure includes the luminous font body, the panel set up in the surface of luminous font body and the heat dissipation structure set up in the back surface of luminous font body, the back surface of luminous font body is set up in the rectangular frame with heat dissipation structure adaptation, the heat dissipation structure is adapted to the rectangular frame, the heat dissipation structure includes two net boards vertically installed in the lower part of luminous font body and with the frame edge of rectangular frame, the mounting plate set up on the upper surface of two net boards and connected, the light bar set up on the upper surface of mounting plate, the metal plate for further fixing light bar and mounting plate, the positioning rod for the left and right sides of metal plate and the connection of mounting plate, the heat conduction strip set up on the lower surface of metal plate and connected with light bar, the connecting rod with one end connected with the lower surface of metal plate and the other end passing through the mounting plate and exposed to air, the limiting spring set up on the outer surface of connecting rod and winding connection and the movable plate set up in the rectangular frame and connected with the end of connecting rod and adapted to each other.

[0007] As a further aspect of the utility model, the middle part of the metal plate is in arc structure and the two ends are in straight line structure, and the two ends of the metal plate are provided with hollow strips, which can provide conditions for upward arching when the metal plate is overheated and expanded.

[0008] As a further aspect of the utility model, the metal plate is provided with an odd number of blocks and is installed in a uniform equidistant manner, and the number of parts matched therewith is equal, which is used for upward pushing of the movable plate and exposure of the net board to realize effective heat dissipation of the luminous font body.

[0009] As a further place of the utility model, the metal plate adopts aluminum material setting.

[0010] As a further place of the utility model, the hollow strip is matched with the positioning rod, and is provided with gaps.

[0011] As a further place of the utility model, the heat conduction strip is provided with a plurality of strips.

[0012] As a further place of the utility model, the connecting rod is polypropylene material.

[0013] As a further place of the utility model, the positioning rod is rotatable and detachable.

[0014] Advantages of the utility model

[0015] Compared with the traditional three-dimensional LED light-emitting font, the utility model has the following advantages:

[0016] In the utility model, through the installation of the light bar in the light-emitting font and the metal plate, in the case of overheating of the light bar, the metal plate is expanded and arched upward through the heat conduction effect, thereby driving the movable plate to move upward synchronously, so that the mesh plate is exposed to the air circulation to provide conditions, and the heat dissipation of the light-emitting font during use is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Other features, objects and advantages of the utility model will become more apparent through reading the detailed description of the non-limiting embodiments with reference to the accompanying drawings.

[0018] In the drawings:

[0019] Figure 1 It is a structure schematic view of the three-dimensional LED light-emitting font of the utility model;

[0020] Figure 2 It is a working structure schematic view of the light-emitting font of the utility model;

[0021] Figure 3 It is an internal structure schematic view of the light-emitting font body of the utility model;

[0022] Figure 4 It is a cut structure schematic view of the light-emitting font body of the utility model;

[0023] In the drawings: light-emitting font body-1, panel-2, heat dissipation structure-3, rectangular frame-11, mesh plate-31, mounting plate-32, light bar-33, metal plate-34, positioning rod-35, heat conduction strip-36, connecting rod-37, limit spring-38, movable plate-39, hollow strip-341. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0025] Embodiment

[0026] As shown in the figure, the utility model provides a technical scheme of a three-dimensional LED light-emitting font: Figures 1-4

[0027] As shown in the figure, a three-dimensional LED light-emitting font, the structure includes a light-emitting font body 1, a panel 2 arranged on the surface of the light-emitting font body 1 and a heat dissipation structure 3 arranged on the back surface of the light-emitting font body 1, a rectangular frame 11 with the heat dissipation structure 3 is arranged on the back surface of the light-emitting font body 1, the heat dissipation structure 3 is matched with the rectangular frame 11, the heat dissipation structure 3 includes two mesh plates 31 vertically arranged on the lower part of the light-emitting font body 1 and matched with the frame edge of the rectangular frame 11, an installation plate 32 arranged on the upper surface of the two mesh plates 31 and connected, a light bar 33 arranged on the upper surface of the installation plate 32, a metal plate 34 for further fixing the light bar 33 and the installation plate 32, a positioning rod 35 for connecting the left and right sides of the metal plate 34 and the installation plate 32, a heat conduction strip 36 arranged on the lower surface of the metal plate 34 and connected with the light bar 33, a connecting rod 37 with one end connected with the lower surface of the metal plate 34 and the other end penetrating through the installation plate 32 and exposed to the air, a limiting spring 38 arranged on the outer surface of the connecting rod 37 and woundly connected, and a movable plate 39 arranged at the end of the connecting rod 37 and matched with the rectangular frame 11.

[0028] The middle part of the metal plate 34 is in an arc shape and the two ends are in a straight line structure, and the two ends of the metal plate 34 are provided with hollow strips 341, so as to provide conditions for upward arching when the metal plate is overheated and expanded.

[0029] The metal plate 34 is provided with an odd number of blocks and is installed in a uniform equidistant manner, and the number of parts matched therewith is also equal, so as to push the movable plate upward and expose the mesh plate, thereby realizing effective heat dissipation of the light-emitting font body.

[0030] The metal plate 34 is made of aluminum material.

[0031] The hollow strip 341 is matched with the positioning rod 35 and is provided with a gap.

[0032] The heat conduction strip 36 is provided with a plurality of strips.

[0033] The connecting rod 37 is made of polypropylene material.

[0034] The positioning rod 35 is rotatable and detachable.

[0035] ​The specific implementation principle is as follows: after the LED light font is used for a period of time, the internal overheating phenomenon of the light bar 33 will occur due to the long-term power-on light.

[0036] Therefore, the heat is quickly transmitted to the metal plate 34 by the heat conduction strip 36, and the metal plate 34 can be expanded and arched in the case of overheating due to the material setting of the metal plate 34, thereby driving the connecting rod 37 connected thereto to drive the movable plate 39 to move inward, and then exposing the mesh plate 31 to the outside, so as to realize the circulation of the inside of the light emitting character body 1 and the outside air, and then heat dissipation is performed on the inside.

[0037] When the metal plate 34 is no longer expanded or the expansion degree is less than the elasticity of the limiting spring 38, the movable plate 39 is reset.

[0038] The above shows and describes the basic principle and main features of the present application and the advantages of the present application. For those skilled in the art, it is obvious that the present application is not limited to the details of the above exemplary embodiments, and the present application can be realized in other specific forms without departing from the spirit or basic characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0039] In addition, it should be understood that although the present application is described in the specification, each embodiment only contains one independent technical solution, and the description manner of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A three-dimensional LED light-emitting font, the structure of which comprises a light-emitting font body (1), a panel (2) arranged on the surface of the light-emitting font body (1), and a heat dissipation structure (3) arranged on the back surface of the light-emitting font body (1), characterized in that: The back surface of the light-emitting word body (1) is provided with a rectangular frame (11) matched with a heat dissipation structure (3), the heat dissipation structure (3) is matched with the rectangular frame (11), the heat dissipation structure (3) comprises two mesh plates (31) vertically installed in the lower part of the light-emitting word body (1) and matched with the frame edge of the rectangular frame (11), an installation plate (32) arranged on the upper surface of the two mesh plates (31) and connected, a light bar (33) arranged on the upper surface of the installation plate (32), a metal plate (34) for further fixing the light bar (33) and the installation plate (32), a positioning rod (35) for connecting the left and right sides of the metal plate (34) and the installation plate (32), a heat conduction strip (36) arranged on the lower surface of the metal plate (34) and connected with the light bar (33), a connecting rod (37) with one end connected with the lower surface of the metal plate (34) and the other end penetrating through the installation plate (32) and exposed to the air, a limiting spring (38) arranged on the outer surface of the connecting rod (37) and woundly connected, and a movable plate (39) arranged at the end of the connecting rod (37) and matched with the rectangular frame (11).

2. The three-dimensional LED light-emitting font according to claim 1, wherein: The middle part of the metal plate (34) is in an arc shape and the two ends are in a straight line structure, and the two ends of the metal plate (34) are provided with hollow strips (341).

3. The three-dimensional LED light-emitting font according to claim 1, wherein: The metal plate (34) is provided with an odd number of blocks and is installed in a uniform equidistant manner.

4. The three-dimensional LED light-emitting font according to claim 1, wherein: The metal plate (34) is made of aluminum material.

5. The three-dimensional LED light-emitting font according to claim 2, wherein: The hollow strip (341) is matched with the positioning rod (35) and has a gap.

6. The three-dimensional LED light-emitting font according to claim 1, wherein: The heat conduction strip (36) is provided with a plurality of strips.

7. The three-dimensional LED light-emitting font according to claim 1, wherein: The connecting rod (37) is made of polypropylene material.