LED filament lamp

By filling the LED filament lamp with protective gas and using potting compound to fix the power driver, the problems of short lifespan and complex structure in the prior art are solved, achieving efficient heat dissipation, stability and cost reduction.

CN224018216UActive Publication Date: 2026-03-20PLUSRITE ELECTRIC (CHINA) CO LTD
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Patent Information

Application Number
CN202520580193.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-31
Publication Date
2026-03-20
Estimated Expiration
2035-03-31

AI Technical Summary

Technical Problem

The lifespan of existing LED filament lamps is limited by factors such as the driver power supply, heat dissipation, and the sealing of the bulb burner, resulting in complex structures and high costs.

Method used

Design an LED filament lamp that uses a transparent bulb filled with protective gas, a power driver installed in the lamp holder and fixed with potting compound, a vacuum seal between the transparent bulb and the lamp holder, filled with protective gas, and the upper and lower ends of the power driver connected to the LED filament strip and the lamp head through leads, and the lamp holder and the lamp head connected by threads.

Benefits of technology

It achieves effective heat dissipation without bulky heat sinks, improves luminous efficiency, extends service life, reduces costs, and enhances structural stability and dust and water resistance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of lighting equipment, and relates to an LED filament lamp which comprises a transparent bulb shell, a lamp holder and a lamp cap which are connected in sequence, a plurality of LED filament strips are fixed in the transparent bulb shell through a support, a power source driver is arranged in the lamp holder, the upper end and the lower end of the power source driver are connected with the LED filament strips and the lamp cap through leads respectively, and the LED filament strips are connected with the lamp cap. And the power supply driver and the lamp holder are fixed through glue pouring. According to the utility model, the protective gas is filled in the transparent bulb shell, so that a cooling heat cycle effect can be achieved, and a better heat dissipation effect can be achieved without a heavy heat dissipation device; through the glue pouring design in the lamp holder, the fixing stability of the power supply driver can be guaranteed, the dustproof, waterproof and heat dissipation effects can be guaranteed, and the LED lamp has the advantages of being simple in structure, stable, reliable, capable of improving the light emitting efficiency, prolonging the service life, reducing the cost and the like.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to lighting equipment technical field, concretely relates to a LED filament lamp. BACKGROUND

[0002] LED has gradually replaced traditional incandescent lamp and energy-saving lamp because of energy saving, high efficiency and environmental protection, and is loved by people. At present, the service life of the common LED filament lamp in market will be much longer than traditional bulb, but the actual service life is still influenced by various factors, such as driving power supply, heat dissipation condition, use environment and the like, and the problems such as bulb shell and core column fire head sealing, therefore, in order to reduce the above-mentioned defects, a new type of LED filament lamp needs to be designed. SUMMARY

[0003] The utility model discloses a kind of LED filament lamps, including sequentially connected transparent bulb shell, lamp holder and lamp head, the transparent bulb shell is fixed with several LED filament strips in through support, power driver is arranged in the lamp holder, the upper and lower ends of the power driver are connected LED filament strip and lamp head respectively through lead, and power driver is fixed between the lamp holder by pouring glue.

[0004] To achieve the above object, the technical scheme adopted by the utility model is: a LED filament lamp, comprising transparent bulb shell, lamp holder and lamp head connected in sequence, the transparent bulb shell is fixed with several LED filament strips in through support, power driver is arranged in the lamp holder, the upper and lower ends of the power driver are connected LED filament strip and lamp head respectively through lead, and power driver is fixed between the lamp holder by pouring glue.

[0005] Preferably, the transparent bulb shell and the lamp holder are further provided with a lamp holder cover, the transparent bulb shell and the lamp holder cover are fixedly connected by glue, and the lamp holder cover and the lamp holder are connected by buckle.

[0006] Preferably, the transparent bulb shell and the lamp holder are vacuum sealed, forming a sealed cavity, and the sealed cavity is filled with protective gas.

[0007] Preferably, the lamp holder and the lamp holder cover are made of plastic material.

[0008] Preferably, the power driver is provided with two leads at the upper and lower ends respectively.

[0009] Preferably, the pouring glue covers the power driver, and the leads extend to the outside of the pouring glue.

[0010] Preferably, the lamp holder and the lamp head are connected by screw thread.

[0011] After adopting the above technical scheme, the LED filament lamp provided by the utility model has the following beneficial effects:

[0012] The utility model discloses a kind of LED filament lamps, including transparent bubble shell, lamp holder, lamp cap, support, LED filament strip, power driver, lead wire and lamp holder cover, wherein, transparent bubble shell 1, lamp holder 2, lamp cap 3, support 4, LED filament strip 5, power driver 6, lead wire 7, lamp holder cover 8. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the structure explosion schematic view of the utility model one kind LED filament lamp.

[0014] Wherein: transparent bubble shell 1, lamp holder 2, lamp cap 3, support 4, LED filament strip 5, power driver 6, lead wire 7, lamp holder cover 8. DETAILED DESCRIPTION

[0015] The utility model will be further clearly and completely described below in combination with the drawings and specific embodiments, obviously, the described embodiment is only a part of the embodiment of the utility model, not all embodiments. The description of the following at least one exemplary embodiment is actually only illustrative, and is by no means any limitation on the utility model and its application or use. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the scope of the utility model protection.

[0016] It should be noted that the terms used here are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and furthermore, it should be understood that, when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or their combination.

[0017] The foregoing description, for purposes of explanation, sets forth specific values and arrangements of components and steps that are subject to many options. The intent is to be accurate in describing the principles and novel features of the application. Thus, although the application has been described with reference to specific embodiments thereof, it will be apparent to those of ordinary skill in the art that a number of changes can be made to the embodiments described without departing from the spirit and scope of the application. For example, the various features of the application can be combined in any combination, where possible. Accordingly, the scope of the application is to be construed as encompassing modifications and variations of the specific examples described herein, subject only to the conditions of the prior art.

[0018] In the description of the present application, it needs to be understood that the orientation words such as "front, back, up, down, left, right", "transverse, vertical, perpendicular, horizontal" and "top, bottom" and the like indicated orientation or position relationship is usually based on the orientation or position relationship shown in the drawings, only for the convenience of describing the present application and simplifying the description, without making the opposite statement, these orientation words do not indicate and imply that the device or element referred to must have a particular orientation or be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the scope of protection of the present application; the orientation words "inner, outer" refer to the inner and outer of the contour of each component itself.

[0019] For the convenience of description, spatial relative terms such as "over", "above", "upper surface", "upper" and the like can be used herein to describe the spatial position relationship of one device or feature with other devices or features as shown in the drawings. It should be understood that the spatial relative terms are intended to include different orientations in use or operation in addition to the orientation of the device described in the drawings. For example, if the device in the drawing is inverted, the device described as "above" or "over" other devices or structures will be positioned "below" or "under" other devices or structures. Thus, the example term "above" can include both "above" and "below" orientations. The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative description used herein is interpreted accordingly.

[0020] In addition, it needs to be explained that the use of "first", "second" and the like to limit parts only for the convenience of distinguishing the corresponding parts, and if there is no further declaration, the above words have no special meaning, therefore, it cannot be understood as a limitation on the scope of protection of the present application.

[0021] This utility model relates to an LED filament lamp, such as... Figure 1 As shown, the device includes a transparent bulb 1, a lamp holder 2, and a lamp head 3 connected in sequence. Several LED filament strips 5 are fixed inside the transparent bulb 1 by a bracket 4. A power driver 6 is installed inside the lamp holder 2. The upper and lower ends of the power driver 6 are connected to the LED filament strips 5 and the lamp head 3 respectively via leads 7. Specifically, a lamp holder cover 8 is provided between the transparent bulb 1 and the lamp holder 2. Both the lamp holder 2 and the lamp holder cover 8 are made of plastic. The transparent bulb 1 and the lamp holder cover 8 are fixedly connected by glue, and the lamp holder cover 8 is connected to the lamp holder 2 by a snap-fit ​​connection. Further, the transparent bulb... The lamp holder 2 and the lamp base 1 are vacuum sealed, that is, fixed with glue to form a sealed cavity, unlike the traditional process which uses the core column and the bulb burner to seal the structure. The sealed cavity is filled with protective gas to play a role in cooling and heat circulation. The power driver 6 has two leads 7 at each of its upper and lower ends. The two leads 7 at the upper end are connected to the LED filament strip 5, and the two leads 7 at the lower end are connected to the lamp base 3. The power driver 6 and the lamp base 2 are fixed with potting glue. The potting glue covers the power driver 6, and the leads 7 extend to the outside of the potting glue. The lamp base 2 and the lamp base 3 are connected by threads.

[0022] This utility model discloses an LED filament lamp that uses a protective gas filled inside a transparent bulb to achieve a cooling thermal circulation effect, thus achieving good heat dissipation without the need for a bulky heat sink. The potting design inside the lamp holder ensures both the stability of the power driver and dustproof, waterproof, and heat dissipation effects.

[0023] In summary, the LED filament lamp provided by this utility model has the advantages of simple structure, stability and reliability, improved luminous efficiency, extended service life and reduced cost, and has great market value, making it worthy of widespread promotion and application.

[0024] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. An LED filament lamp, comprising a transparent bulb (1), a lamp holder (2), and a lamp head (3) connected in sequence, characterized in that: Several LED filament strips (5) are fixed inside the transparent blister (1) by a bracket (4). A power driver (6) is installed inside the lamp holder (2). The upper and lower ends of the power driver (6) are connected to the LED filament strips (5) and the lamp head (3) by leads (7), respectively. The power driver (6) and the lamp holder (2) are fixed together by potting glue.

2. The LED filament lamp according to claim 1, characterized in that: A lamp holder cover (8) is provided between the transparent blister (1) and the lamp holder (2). The transparent blister (1) and the lamp holder cover (8) are fixedly connected by glue, and the lamp holder cover (8) and the lamp holder (2) are connected by a snap fastener.

3. An LED filament lamp according to claim 1, characterized in that: The transparent blister (1) and the lamp holder (2) are vacuum sealed to form a sealed cavity, which is filled with protective gas.

4. An LED filament lamp according to claim 2, characterized in that: Both the lamp holder (2) and the lamp holder cover (8) are made of plastic.

5. An LED filament lamp according to claim 1, characterized in that: The power driver (6) has two leads (7) at each of its upper and lower ends.

6. An LED filament lamp according to claim 1, characterized in that: The potting compound covers the power driver (6), and the lead wire (7) extends to the outside of the potting compound.

7. An LED filament lamp according to claim 1, characterized in that: The lamp holder (2) and the lamp head (3) are connected by threads.