Filament lamp efficient in heat dissipation

Abstract

The filament lamp comprises a lampshade of a gourd-shaped structure, the lampshade comprises a heat dissipation cover located on the upper portion and a transparent cover located on the lower portion, and the heat dissipation cover is connected with the transparent cover through a connecting pipe. The bottom of the lamp holder is connected with a lamp filament frame extending downwards into the transparent cover, and the lamp filament frame is connected with an LED lamp filament. The lower ends of the heat pipes are located in the transparent cover, and the upper ends of the heat pipes are fixedly connected to the inner wall of the heat dissipation cover. The heat dissipation cover and the transparent cover are utilized to form the lampshade similar to a gourd-shaped structure, the light effect cannot be affected, and the lampshade is attractive, elegant and high in heat dissipation efficiency; heat emitted by the LED lamp filament can be quickly transferred into the heat dissipation cover through the heat pipe, and the local heat dissipation efficiency of the LED lamp filament is high; by means of the funnel and the horn cover, air flow and hot air can be guided to rise, and cold air with the temperature reduced after heat dissipation sinks, so that the two flow channels are separated, circulating air flow can be formed, and the heat dissipation efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of filament lamp technology, and in particular to a filament lamp with high heat dissipation efficiency. Background Technology

[0002] Filament lamps, with an appearance resembling traditional incandescent bulbs, are suitable for commercial spaces (such as bars and themed restaurants) or home settings, providing a nostalgic atmosphere. Thanks to their versatility, energy-saving and environmentally friendly advantages, and retro aesthetics, they have a wide presence in the home, commercial, industrial, and decorative sectors, and have a promising future market outlook.

[0003] Because they mimic the structure of traditional incandescent bulbs, these filament lamps typically have a bulb-shaped lampshade. This lampshade, during use, affects the heat dissipation of the LED filament; its low heat dissipation efficiency easily leads to overheating, which can shorten the lifespan of the filament lamp. Therefore, we propose a filament lamp with highly efficient heat dissipation. Utility Model Content

[0004] In view of this, the present invention provides a filament lamp with high heat dissipation efficiency to solve the problem of low heat dissipation efficiency of filament lamps in the prior art.

[0005] A high-efficiency heat dissipation filament lamp includes a gourd-shaped lampshade, which includes an upper heat dissipation shroud and a lower transparent shroud. The heat dissipation shroud and the transparent shroud are connected by a connecting pipe. A lamp head is fixedly installed on the top of the heat dissipation shroud. A filament frame extending downward into the transparent shroud is connected to the bottom of the lamp head. An LED filament is connected to the filament frame.

[0006] It also includes a U-shaped heat pipe, the lower end of which is located inside a transparent cover, and the upper end of which is fixedly connected to the inner wall of the heat sink cover.

[0007] Preferably, the LED filament described above is wound around the lower surface of the heat pipe.

[0008] Preferably, the heat sink is made of copper, and the cross-sectional shape of the heat sink is a polygonal star.

[0009] Preferably, the upper end of the heat pipe is configured as a hollow plate-shaped head, which is attached to and brazed onto the inner wall of the heat sink.

[0010] Preferably, the above also includes an airflow guiding component, which includes a funnel disposed inside the connecting pipe. The upper outer side of the funnel is fixedly connected to the inner wall of the heat sink via a connecting rod, and the lower end of the funnel is fixedly connected to a horn cover to facilitate airflow guidance.

[0011] Preferably, the gourd-shaped lampshade is configured as a sealed structure, and its interior is filled with inert gas or carbon dioxide gas.

[0012] Preferably, the transparent cover described above is a transparent glass cover or a transparent plastic cover.

[0013] Implementing the embodiments of this utility model will have the following beneficial effects:

[0014] The aforementioned high-efficiency heat dissipation filament lamp was adopted;

[0015] By using a heat sink and a transparent cover to form a lampshade with a gourd-like structure, the internal space of the lampshade is increased, and heat is dissipated through the heat sink. This not only does not affect the light effect, but is also aesthetically pleasing and has high heat dissipation efficiency.

[0016] Heat pipes can quickly transfer the heat emitted from the LED filament to the heat sink for further heat dissipation. This results in high local heat dissipation efficiency for the LED filament and prevents localized overheating.

[0017] By using a funnel and a horn cover, airflow can be guided, hot air rises, and cold air, which cools down after dissipating heat, sinks, thus separating the two flow channels and forming a circulating airflow, thereby improving heat dissipation efficiency. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] in:

[0020] Figure 1 This is a schematic diagram of the structure of a filament lamp with high heat dissipation efficiency in one embodiment;

[0021] Figure 2 This is a schematic diagram of the internal cross-sectional structure of the heat sink in one embodiment;

[0022] Figure 3 This is a schematic diagram of the structure of the heat sink, transparent cover, and funnel in one embodiment.

[0023] Reference numerals: 100, lamp holder; 200, heat sink; 300, connecting tube; 400, transparent cover; 401, filament holder; 402, heat pipe; 403, LED filament; 404, sheet head; 500, funnel; 501, connecting rod; 502, speaker cover. Detailed Implementation

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains; the terminology used herein in the specification of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having," and any variations thereof, in the specification, claims, and foregoing drawings of this application, are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the specification, claims, or foregoing drawings of this application are used to distinguish different objects, not to describe a particular order.

[0025] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0026] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings.

[0027] Example 1

[0028] Please see Figure 1-3 A high-efficiency heat dissipation filament lamp includes a gourd-shaped lampshade. The lampshade comprises an upper heat sink 200 and a lower transparent cover 400, connected by a connecting pipe 300. A lamp holder 100 is fixedly mounted on the top of the heat sink 200. A filament holder 401 extending downwards into the transparent cover 400 is connected to the bottom of the lamp holder 100, and an LED filament 403 is connected to the filament holder 401. The lamp also includes a U-shaped heat pipe 402, the lower end of which is located inside the transparent cover 400, and the upper end of which is fixedly connected to the inner wall of the heat sink 200. The transparent cover 400 is a transparent glass cover or a transparent plastic cover.

[0029] The LED filament 403 is wound around the lower surface of the heat pipe 402. This allows the heat generated by the LED filament 403 to be directly carried away by the heat pipe 402, improving heat dissipation efficiency. The heat sink 200 is made of copper, and its cross-sectional shape is a polygonal star. This increases the surface area of ​​the heat sink 200, enhancing heat dissipation. The upper end of the heat pipe 402 is configured as a hollow plate-shaped head 404, which is attached to and brazed onto the inner wall of the heat sink 200.

[0030] Note that during implementation, the gourd-shaped lampshade is set as a sealed structure (the connection between the heat dissipation cover 200, the transparent cover 400 and the connecting pipe 300 is sealed by welding or sealing welding), and its interior is filled with inert gas (such as nitrogen-argon mixture) or carbon dioxide gas.

[0031] Example 2

[0032] Unlike Embodiment 1, this embodiment also includes an airflow guiding component. The airflow guiding component includes a funnel 500 disposed inside the connecting pipe 300. The upper outer side of the funnel 500 is fixedly connected to the inner wall of the heat sink 200 via a connecting rod 501. The lower end of the funnel 500 is fixedly connected to a horn cover 502 for guiding airflow.

[0033] like Figure 3 As shown, the heat dissipated from the LED filament 403 will rise and enter the heat sink 200 from the inside of the speaker cover 502 and the funnel 500. The air near the inner wall of the heat sink 200 will cool down first, and then flow down along the inner wall. It will flow back into the transparent cover 400 from the outside of the funnel 500, that is, the gap between the funnel 500 and the connecting pipe 300. This cycle forms an airflow, which increases the heat dissipation effect.

[0034] Obviously, the embodiments described above are only some embodiments of this application, not all embodiments. The accompanying drawings show preferred embodiments of this application, but do not limit the patent scope of this application. This application can be implemented in many different forms; rather, the purpose of providing these embodiments is to provide a more thorough and comprehensive understanding of the disclosure of this application. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments, or make equivalent substitutions for some of the technical features. Any equivalent structures made using the content of this application's specification and drawings, directly or indirectly applied to other related technical fields, are similarly within the scope of patent protection of this application.

Claims

1. A filament lamp with high efficiency of heat dissipation, characterized in that, Include: The lampshade is in the shape of a calabash structure, which includes a heat dissipation cover (200) at the upper part and a transparent cover (400) at the lower part, the heat dissipation cover (200) and the transparent cover (400) are connected by a connecting pipe (300), the top of the heat dissipation cover (200) is fixedly installed with a lamp holder (100); The bottom of the lamp holder (100) is connected with a filament holder (401) extending downward to the inside of the transparent cover (400), the filament holder (401) is connected with an LED filament (403); It also includes a heat pipe (402) in the shape of U, the lower end of the heat pipe (402) is located in the transparent cover (400), and the upper end of the heat pipe (402) is fixedly connected to the inner wall of the heat dissipation cover (200).

2. A filament lamp with high efficiency of heat dissipation as claimed in claim 1, characterized in that: The LED filament (403) is wound on the lower surface of the heat pipe (402).

3. A filament lamp with high efficiency of heat dissipation as claimed in claim 1, characterized in that: The heat dissipation cover (200) is made of copper, and the cross section of the heat dissipation cover (200) is in the shape of a multi-angle star.

4. A filament lamp with high efficiency of heat dissipation as claimed in claim 3, characterized in that: The upper end of the heat pipe (402) is provided with a hollow sheet head (404), the sheet head (404) is attached to and welded by brazing to the inner wall of the heat dissipation cover (200).

5. A filament lamp with high efficiency of heat dissipation as claimed in claim 3, characterized in that: It also includes an air flow guiding assembly, which includes a funnel (500) arranged inside the connecting pipe (300), the upper end of the funnel (500) is fixedly connected to the inner wall of the heat dissipation cover (200) by a connecting rod (501), and the lower end of the funnel (500) is fixedly connected with a horn cover (502) for guiding air flow.

6. A filament lamp with high efficiency of heat dissipation as claimed in claim 5, characterized in that: Wherein, The lampshade in the shape of a calabash structure is in a closed structure, which is filled with inert gas or carbon dioxide gas.

7. A high efficacy filament lamp as defined in claim 1, characterized in that: The transparent cover (400) is a transparent glass cover or a transparent plastic cover.

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