Heat dissipation type bulb structure

Abstract

The utility model discloses a heat dissipation type bulb structure which comprises a lamp cap and a lamp holder, a power panel and a light source panel are arranged in the lamp holder, a lens is arranged at an opening of the lamp holder, and an annular power supply heat conduction plate and a heat dissipation ring are arranged in the lamp holder. A widened step is integrally formed on the edge of the annular power supply heat-conducting plate; the inner ring edge of the heat dissipation ring abuts against the widened step of the annular power supply heat conduction plate. A first anti-falling sealing glue layer is arranged at the joint of the inner ring edge of the annular power supply heat-conducting plate and the lamp holder; a second glue falling prevention sealing glue layer is arranged at the joint of the outer ring edge of the annular power supply heat conduction plate and the lamp holder; the edge of the light source plate abuts against the outer ring edge of the aluminum cup and is limited through the lens in an abutting mode. The LED lamp is reasonable in structural arrangement, heat dissipation performance can be effectively improved, effectiveness of heat transfer between the heat dissipation ring and the annular power supply heat conduction plate can be guaranteed, the first anti-falling sealing glue layer and the second anti-falling sealing glue layer are arranged after installation, use stability and reliability can be improved, and the LED lamp is high in applicability and good in practicability.

Description

Technical Field

[0001] The utility model belongs to the technical field of light bulbs, and in particular relates to a heat dissipation type light bulb structure. Background Art

[0002] The light bulb is a common lighting structure. The light bulb in the prior art mainly includes a lamp holder, a lamp base, a light source board, a driving board and a lens. For example, the Chinese patent announcement number is: CN215892261U. The patent name is: A new type of reflective light bulb. In order to solve the problem that the light under the existing light bulb is dark when used in a chandelier or a table lamp, a new type of reverse lighting bulb structure and implementation method is proposed, so that the light is irradiated from the LED lamp beads or other light-emitting elements to the lamp holder, so as to realize the lighting behind the lamp holder. It includes: a lamp holder; a connecting part; a light-transmitting lampshade; a fixed connecting part; a heat sink; an LED lamp bead or a light-emitting element; a substrate module; and a power module.

[0003] However, the heat dissipation performance of the bulbs in the prior art is relatively limited. At the same time, the driving board is easily touched during installation to cause a short circuit, affecting the stability and reliability of use. In addition, the connection between the lamp cap and the lamp holder is easy to loosen or fall off, which will affect the reliability of use, and the applicability and practicality are limited. Summary of the invention

[0004] The utility model aims to provide a heat dissipation type bulb structure which has reasonable structural arrangement and is conducive to improving the stability of use.

[0005] The technical solution to achieve the purpose of the utility model is a heat dissipation type light bulb structure, including a lamp cap and a lamp holder connected to the lamp cap, a power supply board and a light source board are arranged in the lamp holder, the light source board is electrically connected to the power supply board, a lens is arranged at the opening of the lamp holder, and an annular power supply heat conduction plate and a heat dissipation ring are arranged in the lamp holder;

[0006] The edge of the annular power supply heat conducting plate is integrally formed with a widened step;

[0007] The inner ring edge of the heat dissipation ring abuts against the widened step of the annular power supply heat conducting plate;

[0008] A first anti-falling sealing glue layer is provided at the connection between the inner ring edge of the annular power supply heat conducting plate and the lamp holder;

[0009] A second anti-glue sealing layer is provided at the connection between the outer ring edge of the annular power supply heat conducting plate and the lamp holder;

[0010] The edge of the light source plate abuts against the outer ring edge of the annular power supply heat conductive plate and is abutted and limited by the lens;

[0011] The lens buckle is positioned at the opening of the lamp holder.

[0012] It is further preferred that: a power card slot is provided on the inner wall of the lamp holder;

[0013] The lamp holder is located in the inner ring of the annular power supply heat conducting plate;

[0014] An anti-touch short-circuit step is integrally formed on the bottom wall of the lamp holder;

[0015] The lamp cap is provided with a conductive terminal, the height of the conductive terminal being lower than the height of the anti-touch short-circuit step;

[0016] The edge of the power board is inserted into the power card slot to limit the position, and the edge of the power board abuts against the upper limit of the anti-touch short-circuit step; and a gap is set between the power board and the conductive terminal.

[0017] Further preferably, the lamp cap is provided with a plug-in connection pin GU5.3 connected to the conductive terminal.

[0018] Or preferably: the lamp cap is provided with a rotatable connecting pin GU10 connected to the conductive terminal.

[0019] It is further preferred that: an annular groove is provided at the opening of the lamp holder;

[0020] The diameter of the edge of the lens matches the diameter of the annular groove;

[0021] The edge of the lens body is inserted into the annular groove for positioning.

[0022] More preferably, the substrate of the light source panel is a widened and thickened aluminum substrate.

[0023] It is further preferred that: the annular power supply heat conducting plate and the heat dissipation ring are both aluminum structures.

[0024] The utility model has positive effects: the structure of the utility model is reasonably set up, and the heat dissipation performance can be effectively improved through the annular power supply heat conduction plate and the heat dissipation ring, and the edge of the annular power supply heat conduction plate is integrally formed with a widened step, which can ensure the effectiveness of heat transfer between the heat dissipation ring and the annular power supply heat conduction plate, and after installation, a first anti-falling sealing glue layer and a second anti-falling sealing glue layer are provided, which is conducive to improving the stability and reliability of use, and has strong applicability and good practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to make the content of the utility model easier to understand, the utility model is further described in detail below according to specific embodiments and in conjunction with the accompanying drawings, wherein:

[0026] Figure 1 It is a schematic diagram of the structure of the utility model;

[0027] Figure 2This is a schematic diagram of the structure of the lamp holder, power board and light source board in the utility model;

[0028] Figure 3 It is a schematic diagram of the specific structure of the lamp holder, the heat dissipation ring and the annular power supply heat conducting plate in the utility model;

[0029] Figure 4 This is a schematic diagram of the first structure of the lamp holder in the utility model;

[0030] Figure 5 This is a schematic diagram of the second structure of the lamp holder in the utility model.

[0031] Figure numerals: lamp head 1, lamp holder 2, power board 3, light source board 4, lens 5, annular power heat conductive plate 6, heat dissipation ring 7, widened step 8, first anti-falling sealing glue layer 9, second anti-falling sealing glue layer 10, power card slot 11, anti-touch short circuit step 12, conductive terminal 13, annular card slot 14. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example 1

[0033] See Figures 1 to 4 A heat dissipation type light bulb structure includes a lamp holder 1 and a lamp holder 2 connected to the lamp holder. A power board 3 and a light source board 4 are arranged in the lamp holder. The substrate of the light source board is a widened and thickened aluminum substrate. The light source board is electrically connected to the power board. A lens 5 is arranged at the opening of the lamp holder. In this embodiment, the above structures are conventional structures of the prior art and are simply applied.

[0034] The lamp holder is provided with an annular power supply heat conduction plate 6 and a heat dissipation ring 7; in this embodiment, the annular power supply heat conduction plate and the heat dissipation ring are both aluminum structures. In actual application, the edge of the annular power supply heat conduction plate is integrally formed with a widened step 8; the inner ring edge of the heat dissipation ring abuts against the widened step of the annular power supply heat conduction plate; the widened step can effectively achieve heat conduction and heat dissipation, which is conducive to improving the heat dissipation effect.

[0035] In this embodiment, a first anti-falling sealing glue layer 9 is provided at the connection between the inner ring edge of the annular power supply heat conductive plate and the lamp holder; a second anti-falling sealing glue layer 10 is provided at the connection between the outer ring edge of the annular power supply heat conductive plate and the lamp holder; wherein the first anti-falling sealing glue layer 9 and the second anti-falling sealing glue layer 10 are both conventional materials of the prior art, and are simply applied to ensure the stability and reliability of the connection and prevent loosening or falling off.

[0036] During installation, the edge of the light source board abuts against the outer edge of the annular power supply heat conducting plate and is limited by the abutment of the lens; the lens is buckled and positioned at the opening of the lamp holder.

[0037] In order to facilitate the installation of the power board, a power card slot 11 is provided on the inner wall of the lamp head; the lamp head is located in the inner ring of the annular power heat conductive plate; an anti-touch short-circuit step 12 is integrally formed on the bottom wall of the lamp head; a conductive terminal 13 is provided on the lamp head, and the height of the conductive terminal is lower than the height of the anti-touch short-circuit step; during installation, the edge of the power board is inserted into the power card slot to limit the position, and the edge of the power board abuts against the upper limit of the anti-touch short-circuit step; and a gap is provided between the power board and the conductive terminal. This can avoid short circuits caused by contact between the power board and the conductive terminal, which is conducive to improving safety and stability in use.

[0038] In this embodiment, the lamp cap is provided with a plug-in connection pin GU5.3 connected to the conductive terminal.

[0039] At the same time, in order to facilitate the installation of the lens, an annular groove 14 is provided at the opening of the lamp holder; the annular groove is mainly used to lock the lens to prevent it from loosening or falling off. The diameter of the edge of the lens matches the diameter of the annular groove; the edge of the lens body is locked into the annular groove for positioning.

[0040] The utility model has positive effects: the structure of the utility model is reasonably set up, and the heat dissipation performance can be effectively improved through the annular power supply heat conduction plate and the heat dissipation ring, and the edge of the annular power supply heat conduction plate is integrally formed with a widened step, which can ensure the effectiveness of heat transfer between the heat dissipation ring and the annular power supply heat conduction plate, and after installation, a first anti-falling sealing glue layer and a second anti-falling sealing glue layer are provided, which is conducive to improving the stability and reliability of use, and has strong applicability and good practicality. Example 2

[0041] See Figure 5 This embodiment is basically the same as the first embodiment, except that a rotatable connecting pin GU10 connected to the conductive terminal is provided on the lamp cap.

[0042] The standard parts used in this embodiment can be purchased directly from the market, and the non-standard structural components recorded in the specification can also be directly processed according to existing technical common sense. At the same time, the connection method of each component adopts the mature conventional means in the prior art, and the machinery, parts and equipment all adopt the conventional models in the prior art, so no specific description will be given here.

[0043] Obviously, the above embodiments of the present invention are merely examples for clearly explaining the present invention, and are not intended to limit the implementation methods of the present invention. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. However, these obvious changes or modifications derived from the essential spirit of the present invention still belong to the protection scope of the present invention.

Claims

1. A heat dissipation type light bulb structure, comprising a lamp cap and a lamp holder connected to the lamp cap, wherein a power supply board and a light source board are arranged in the lamp holder, wherein the light source board is electrically connected to the power supply board, and a lens is arranged at the opening of the lamp holder, wherein: An annular power supply heat conducting plate and a heat dissipation ring are arranged in the lamp holder; The edge of the annular power supply heat conducting plate is integrally formed with a widened step; The inner ring edge of the heat dissipation ring abuts against the widened step of the annular power supply heat conducting plate; A first anti-falling sealing glue layer is provided at the connection between the inner ring edge of the annular power supply heat conducting plate and the lamp holder; A second anti-glue sealing layer is provided at the connection between the outer ring edge of the annular power supply heat conducting plate and the lamp holder; The edge of the light source plate abuts against the outer ring edge of the annular power supply heat conductive plate and is abutted and limited by the lens; The lens buckle is positioned at the opening of the lamp holder.

2. A heat dissipation bulb structure according to claim 1, characterized in that: A power card slot is provided on the inner wall of the lamp holder; The lamp holder is located in the inner ring of the annular power supply heat conducting plate; An anti-touch short-circuit step is integrally formed on the bottom wall of the lamp holder; The lamp cap is provided with a conductive terminal, the height of the conductive terminal being lower than the height of the anti-touch short-circuit step; The edge of the power board is inserted into the power card slot to limit the position, and the edge of the power board abuts against the upper limit of the anti-touch short-circuit step; and a gap is set between the power board and the conductive terminal.

3. A heat dissipation type light bulb structure according to claim 2, characterized in that: The lamp cap is provided with a plug-in connection pin GU5.3 connected to the conductive terminal.

4. A heat dissipation bulb structure according to claim 2, characterized in that: The lamp cap is provided with a rotatable connecting pin GU10 connected to the conductive terminal.

5. A heat dissipation bulb structure according to claim 3 or claim 4, characterized in that: An annular groove is provided at the opening of the lamp holder; The diameter of the edge of the lens matches the diameter of the annular groove; The edge of the lens body is inserted into the annular groove for positioning.

6. A heat dissipation bulb structure according to claim 5, characterized in that: The substrate of the light source panel is a widened and thickened aluminum substrate.

7. A heat dissipation type light bulb structure according to claim 6, characterized in that: The annular power supply heat conducting plate and the heat dissipation ring are both aluminum structures.

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