CN218954640U

CN218954640U - Lamp tube using flexible filament

Info

Publication number: CN218954640U
Application number: CN202222252045.0U
Authority: CN
Inventors: 吴木汉
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-25
Filing date: 2022-08-25
Publication date: 2023-05-02
Anticipated expiration: 2032-08-25

Abstract

The utility model discloses a lamp tube applying a flexible filament, which comprises a glass outer lamp tube, wherein an inner lamp tube is arranged in the glass outer lamp tube, a flexible filament is arranged in the inner lamp tube, the upper end and the lower end of the glass outer lamp tube are respectively connected with an upper end sleeve cover and a lower end sleeve cover, a DC plug is arranged on the upper end sleeve cover, an upper end lead wire of the flexible filament is electrically connected with an outer conductive surface of the DC plug, a copper wire is connected between the lower end lead wire of the flexible filament and the inner conductive surface of a round hole of the DC plug, the outer conductive surface is insulated from the inner conductive surface of the round hole, the upper end sleeve cover is connected with a detachable connecting seat, a DC socket for inserting the DC plug into the electric connection is arranged in the connecting seat, the inner conductive surface of a plug hole of the DC socket is electrically connected with the outer conductive surface of the DC plug, the plug pin of the DC socket is electrically connected with the inner conductive surface of the round hole of the DC plug, the flexible filament is used as a luminous body, heat is generated in working, a radiating part is not needed, and the lamp tube structure is simplified.

Description

Lamp tube using flexible filament

Technical Field

The utility model relates to a lamp tube applying a flexible filament.

Background

In the existing LED lamp tube, the LED lamp tube is in a high-temperature state in a luminous working state, so that the existing LED lamp tube is required to be provided with a heat dissipation structure. The utility model provides a be 2021 year 12 month 27 days, patent number is 202123306897.5, and the name is a LED filament with heat radiation structure, discloses, including the strip base plate, both sides all are provided with light emitting chip around the strip base plate, the inside liquid mercury that is provided with of strip base plate, both ends are fixedly connected with first electrode and second electrode respectively about the strip base plate, first electrode and second electrode outside all have set gradually cooling coating and copper heat conduction layer, copper heat conduction layer one side all is provided with the fin, the fin outside all is provided with the aluminum alloy shell, the inside a plurality of louvre that is provided with evenly distributed of aluminum alloy shell, cools down through using copper heat conduction layer and the cooling coating that heat conductivility is strong, uses the aluminum alloy shell to dispel the heat, realizes further heat dissipation through fin and louvre heat extraction at last. The heat radiation structure is arranged in the LED lamp tube, so that the whole structure of the lamp tube is more complex, the production and the assembly are inconvenient, and meanwhile, the cost is increased.

Disclosure of Invention

The utility model overcomes the defects of the technology and provides the lamp tube applying the flexible filament.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a lamp tube using a flexible filament, characterized in that: the LED lamp comprises a glass outer lamp tube, an inner lamp tube is arranged in the glass outer lamp tube, a flexible filament is arranged in the inner lamp tube, the upper end and the lower end of the glass outer lamp tube are respectively connected with an upper end cover and a lower end cover, a DC plug is arranged on the upper end cover, a lead wire at the upper end of the flexible filament is electrically connected with an outer conductive surface of the DC plug, a copper wire is connected between the lead wire at the lower end of the flexible filament and an inner conductive surface of a round hole of the DC plug, the outer conductive surface is insulated from the inner conductive surface of the round hole, a detachable connecting seat is connected on the upper end cover, a DC socket for the DC plug to be inserted into and electrically connected is arranged in the connecting seat, the inner conductive surface of the plug hole of the DC socket is electrically connected with the outer conductive surface of the DC plug, and a contact pin of the DC socket is electrically connected with the inner conductive surface of the round hole of the DC plug.

A lamp tube using a flexible filament as described above, characterized in that: the upper end cover top surface is provided with a threaded connection column, the DC plug is arranged on the threaded connection column, the connection seat is provided with a connection seat concave cavity in threaded connection with the threaded connection column, and the DC socket is arranged in the connection seat concave cavity.

A lamp tube using a flexible filament as described above, characterized in that: the two ends of the inner lamp tube are respectively adhered and fixed with the two ends of the glass outer lamp tube.

A lamp tube using a flexible filament as described above, characterized in that: the inner lamp tube is frosted acrylic inner lamp tube.

A lamp tube using a flexible filament as described above, characterized in that: the bottom surface of the inner side of the lower end sleeve cover is provided with a sleeve cover groove.

A lamp tube using a flexible filament as described above, characterized in that: the flexible filament comprises a copper foil covered FPC film, the copper foil covered FPC film is inverted to be provided with LED chips connected in series, and fluorescent layers are wrapped outside the copper foil covered FPC film and the LED chips.

A lamp tube using a flexible filament as described above, characterized in that: the upper end sleeve cover is an aluminum upper end sleeve cover, the lower end sleeve cover is an aluminum lower end sleeve cover, and the connecting seat is an aluminum connecting seat.

The beneficial effects of the utility model are as follows:

the utility model uses the flexible filament as the illuminant, the heat generated during the work is little, the heat dissipation component is not needed, the components of the lamp tube are reduced, and the structure of the lamp tube is simplified; the outer layer of the flexible filament is a fluorescent layer, and when the light emits, the fluorescent layer is penetrated to excite secondary light emission to realize high-brightness light emission, and the frosted acrylic inner lamp tube is arranged to make the light emitted outwards softer.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

fig. 3 is a sectional view of a lamp tube of the present utility model after being partially exploded.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly. Furthermore, the description of "preferred," "less preferred," and the like, herein is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "preferred", "less preferred" may include at least one such feature, either explicitly or implicitly.

As shown in fig. 1-3, a lamp tube using a flexible filament comprises a glass outer lamp tube 1, an inner lamp tube 2 is arranged in the glass outer lamp tube 1, a flexible filament 3 is arranged in the inner lamp tube 2, an upper end sleeve cover 4 and a lower end sleeve cover 5 are respectively connected to the upper end and lower ends of the glass outer lamp tube 1, a DC plug 6 is arranged on the upper end sleeve cover 4, an upper end lead of the flexible filament 3 is electrically connected with an outer side conductive surface 61 of the DC plug 6, a copper wire 7 is connected between the lower end lead of the flexible filament 3 and a round hole inner side conductive surface 62 of the DC plug 6, the outer side conductive surface 61 is insulated from the round hole inner side conductive surface 62, a detachable connecting seat 8 is connected to the upper end sleeve cover 4, a DC socket 9 for inserting the DC plug 6 to be electrically connected is arranged in the connecting seat 8, and a pin 92 of the DC socket 9 is electrically connected with the outer side conductive surface 61 of the DC plug 6. The upper end sleeve cover 4 is an aluminum upper end sleeve cover, the lower end sleeve cover 5 is an aluminum lower end sleeve cover, and the connecting seat 8 is an aluminum connecting seat.

During assembly, the inner lamp tube 2 is fixed in the glass outer lamp tube 1, the flexible filament 3 is arranged in the inner lamp tube 2, the lower end of the glass outer lamp tube 1 is covered with the lower end cover 5 to be closed, the lead wire at the lower end of the flexible filament 3 is connected with the copper wire 7, the copper wire 7 is led back to the upper end in the inner lamp tube 2, the DC plug 6 is arranged in the upper end cover 4, the outer conductive surface 61 of the DC plug 6 and the inner conductive surface 62 of the round hole are respectively electrically connected with the lead wire at the upper end of the flexible filament 3 and the other end of the copper wire 7, then the upper end cover 4 is covered on the upper end of the glass outer lamp tube 1, finally the connecting seat 8 is covered on the upper end cover 4, the DC plug 6 is inserted into the DC socket 9, the pin 92 of the DC socket 9 is electrically connected with the outer conductive surface 61 of the DC plug 6, the flexible filament 3 can emit light after being electrified, a heat dissipation part is not required, and a light structure is simplified.

The flexible filament 3 comprises a copper foil covered FPC film, the copper foil covered FPC film is inverted to form an LED chip connected in series, a fluorescent layer is wrapped outside the copper foil covered FPC film and the LED chip, the luminous brightness is high, the generated heat is less, meanwhile, the inner lamp tube 2 is a frosted acrylic inner lamp tube, and the light brightness of the flexible filament 3 can be reduced.

As shown in fig. 2, the top surface of the upper end cap 4 is provided with a threaded connection post 10, the dc plug 6 is arranged on the threaded connection post 10, the connection seat 8 is provided with a connection seat concave cavity 81 in threaded connection with the threaded connection post 10, and the dc socket 9 is arranged in the connection seat concave cavity 81. The luminous tube can be assembled and disassembled with the connecting seat 8 by rotation, and the structure is simple.

As shown in fig. 2-3, two ends of the inner lamp tube 2 are respectively adhered and fixed with two ends of the glass outer lamp tube 1, so that the installation stability of the inner lamp tube 2 arranged in the glass outer lamp tube 1 is improved.

As shown in fig. 2-3, a cover groove 51 is formed in the bottom surface of the inner side of the lower end cover 5, and the cover groove 51 is reserved for bending the copper wire 7 and then guiding the copper wire back from the inner lamp tube 2.

The foregoing description of the preferred embodiments of the present utility model should not be construed as limiting the scope of the utility model, but rather should be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model as defined by the following description and drawings or any application directly or indirectly to other relevant art(s).

Claims

1. A lamp tube using a flexible filament, characterized in that: including outer fluorescent tube of glass (1), be equipped with interior fluorescent tube (2) in outer fluorescent tube of glass (1), be equipped with flexible filament (3) in interior fluorescent tube (2), both ends are connected with upper end cover (4) and lower end cover (5) respectively about outer fluorescent tube of glass (1), be equipped with DC plug (6) on upper end cover (4), flexible filament (3) upper end lead wire is connected with the outside conducting surface (61) electricity of DC plug (6), be connected with copper wire (7) between the round hole inboard conducting surface (62) of flexible filament (3) lower extreme lead wire and DC plug (6), be connected with between outside conducting surface (61) and the round hole inboard conducting surface (62) insulation, be connected with detachable connecting seat (8) on upper end cover (4), be equipped with in connecting seat (8) and supply DC plug (6) to insert DC socket (9) of electricity connection, the downthehole inboard conducting surface (91) of DC socket (9) are connected with the outside conducting surface (61) electricity of DC plug (6), contact pin (92) of DC socket (9) is connected with the round hole conducting surface (62) electricity of DC plug (6).

2. A tube using a flexible filament according to claim 1, wherein: the upper end cover (4) is provided with a threaded connection column (10) on the top surface, the DC plug (6) is arranged on the threaded connection column (10), the connection seat (8) is provided with a connection seat concave cavity (81) in threaded connection with the threaded connection column (10), and the DC socket (9) is arranged in the connection seat concave cavity (81).

3. A tube using a flexible filament according to claim 1, wherein: the two ends of the inner lamp tube (2) are respectively adhered and fixed with the two ends of the glass outer lamp tube (1).

4. A tube using a flexible filament according to claim 1 or 3, wherein: the inner lamp tube (2) is a frosted acrylic inner lamp tube.

5. A tube using a flexible filament according to claim 1, wherein: the bottom surface of the inner side of the lower end sleeve cover (5) is provided with a sleeve cover groove (51).

6. A tube using a flexible filament according to claim 1, wherein: the flexible filament (3) comprises a copper foil covered FPC film, wherein the copper foil covered FPC film is inversed with LED chips connected in series, and fluorescent layers are wrapped outside the copper foil covered FPC film and the LED chips.

7. A tube using a flexible filament according to claim 1, wherein: the upper end sleeve cover (4) is an aluminum upper end sleeve cover, the lower end sleeve cover (5) is an aluminum lower end sleeve cover, and the connecting base (8) is an aluminum connecting base.