CN215489156U

CN215489156U - Filament lamp

Info

Publication number: CN215489156U
Application number: CN202120600396.9U
Authority: CN
Inventors: 陈雪琼; 刘宗源; 董永哲; 杨小明; 曹亮亮; 郑泳树
Original assignee: Leedarson Lighting Co Ltd
Current assignee: Leedarson Lighting Co Ltd
Priority date: 2021-03-24
Filing date: 2021-03-24
Publication date: 2022-01-11
Anticipated expiration: 2031-03-24

Abstract

The utility model provides a filament lamp, which belongs to the technical field of lighting equipment and comprises a light-transmitting bulb body, a lamp holder assembly arranged at the opening part of the light-transmitting bulb body, an installation core column with one end arranged on the lamp holder assembly and the other end positioned in the light-transmitting bulb body, and a spiral filament wound outside the installation core column and positioned in the light-transmitting bulb body, wherein the diameter size of the spiral filament is sequentially reduced from the direction close to the lamp holder assembly to the direction far away from the lamp holder assembly. According to the filament lamp provided by the utility model, the light emitting surface of the spiral filament faces towards the outside, the diameter size of the spiral filament is sequentially reduced from the direction close to the lamp holder assembly to the direction far away from the lamp holder assembly, the spiral filament adopts the shape, light rays emitted by the spiral filament can be more uniformly emitted from the surface of the light-transmitting bulb, the diameter size of the top of the spiral filament is smaller, a dark space can be prevented from being formed, and the lighting effect of the filament lamp is better.

Description

Filament lamp

Technical Field

The utility model belongs to the technical field of lighting equipment, and particularly relates to a filament lamp.

Background

At present, with the aging of the manufacturing and packaging technology of LED chips, the cost of LED elements is greatly reduced, and LEDs are more and more widely used. In the field of LED lighting, the advantages of energy saving and long life of LEDs are fully embodied, more and more users replace traditional lamps such as incandescent lamps with LED lamps, especially, LED filament lamps with almost the same appearance as the traditional incandescent lamps are particularly favored by users, and more LED filament lamps emerge in the market. However, most filaments of the existing LED filament lamp emit light on a single surface, and due to the limitation of the shape of the filaments in the lamp, linear light is basically arranged from the side surface of the lamp in the lamp, and no light is emitted from the top and the bottom of the lamp, so that the problem that dark areas exist in the lamp with uneven light emission on the surface of the lamp in most of the existing filament lamps is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a filament lamp, and aims to solve the problem that the lighting performance is affected by dark areas of a lamp with uneven light emitting on the surface of the lamp when the filament lamp in the prior art is used for lighting.

In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides a filament lamp for the illumination of indoor environment, be in including printing opacity bubble body, setting lamp holder subassembly, the one end setting of printing opacity bubble body oral area department are in the other end is located on the lamp holder subassembly the internal installation stem of printing opacity bubble and around establishing the outside of installation stem just is located the internal spiral filament of printing opacity bubble, the diameter size of spiral filament reduces in proper order to keeping away from lamp holder subassembly direction from being close to the lamp holder subassembly.

As another embodiment of this application, the light emitting area of spiral filament all faces the outside setting of spiral filament, just the light emitting area of spiral filament all is located the awl mesa.

As another embodiment of this application, the light emitting area of spiral filament with the axle center of spiral filament becomes the contained angle setting, just the size scope of contained angle is 1 to 45.

As another embodiment of the present application, a ratio between a minimum diameter dimension of the coiled filament and a maximum diameter dimension of the coiled filament ranges from 0.1 to 0.95.

As another embodiment of the present application, the size of the pitch of the coiled filament increases or decreases from the direction close to the burner assembly to the direction away from the burner assembly.

As another embodiment of this application, the installation stem includes that the tip sets firmly mounting base on the lamp holder subassembly and setting are in the last winding body of rod of mounting base still is provided with two electrically conductive support frames of being connected with spiral filament end connection respectively on the mounting base.

As another embodiment of this application, the lamp holder subassembly includes the main barrel, sets up the electrically conductive lamp holder of a main barrel tip, and set up and be in the main barrel respectively with the drive unit of electrically conductive lamp holder and spiral filament intercommunication, the printing opacity bubble body sets up at another tip of main barrel.

As another embodiment of the application, the opening of the main cylinder body is abutted against the outer wall of the light-transmitting bulb body, and a clamping plate for clamping the light-transmitting bulb body is further arranged in the main cylinder body.

The filament lamp provided by the utility model has the beneficial effects that: compared with the prior art, through by the confined cavity of printing opacity bubble body and lamp holder subassembly to be provided with the installation stem in the cavity, the one end setting of installation stem is in the lamp holder subassembly is gone up the other end and is located inside the printing opacity bubble body, still around being equipped with the spiral filament with external circuit intercommunication in the outside of installation stem. According to the filament lamp, the light emitting surfaces of the spiral filaments face the outside, the diameter sizes of the spiral filaments are sequentially reduced from the direction close to the lamp holder assembly to the direction far away from the lamp holder assembly, the spiral filaments are in the shape, light rays emitted by the spiral filaments can be more uniformly emitted from the surface of the light-transmitting bulb, and dark spaces can be prevented due to the fact that the diameter size of the tops of the spiral filaments is small.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a filament lamp according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a coiled filament used in the embodiment of the present invention.

In the figure: 1. a lamp head assembly; 11. a main cylinder; 12. a conductive lamp cap; 2. a light-transmitting bulb; 3. mounting a core column; 31. mounting a base; 32. winding the rod body; 33. a conductive support frame; 4. a coiled filament.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1 and 2 together, the filament lamp of the present invention will now be described. The utility model provides a filament lamp for the illumination of indoor and outdoor environment, including the printing opacity bubble body 2, set up lamp holder subassembly 1 in 2 oral area departments of printing opacity bubble body, one end sets up the installation stem 3 that the other end is located 2 inside of printing opacity bubble body on lamp holder subassembly 1 and around establishing in the outside of installation stem 3 and being located 2 inside spiral filament 4 of printing opacity bubble body, the diameter size of spiral filament 4 reduces in proper order from being close to lamp holder subassembly 1 to keeping away from 1 direction of lamp holder subassembly.

Compared with the prior art, the filament lamp provided by the embodiment is characterized in that the filament lamp is provided with an installation core column 3 in a cavity through a cavity formed by a light-transmitting bulb body 2 and a lamp holder assembly 1 in a sealing mode, one end of the installation core column 3 is arranged at the position, on the lamp holder assembly 1, of the other end of the installation core column 3, the other end of the installation core column is located inside the light-transmitting bulb body 2, and a spiral filament 4 communicated with an external circuit is arranged outside the installation core column 3 in a winding mode. According to the filament lamp, the light emitting surfaces of the spiral filaments 4 are arranged towards the outside, the diameter sizes of the spiral filaments 4 are sequentially reduced from the direction close to the lamp holder assembly 1 to the direction far away from the lamp holder assembly 1, the spiral filaments 4 are in the shape, light rays emitted by the spiral filaments 4 can be emitted from the surface of the light-transmitting bulb body 2 more uniformly, the diameter size of the tops of the spiral filaments 4 is small, dark spaces can be prevented from being formed, the light rays emitted by the filament lamp are more uniform, and the lighting effect is better.

Referring to fig. 2, the light emitting surface of the coiled filament 4 is disposed toward the outer side of the coiled filament 4, and the light emitting surface of the coiled filament 4 is disposed on the conical table. The spiral filament 4 can be through on the surface of 4 prewindings of spiral filament on a toper platform when the preparation, then qualitatively spiral filament 4, makes a awl mesa of 4 light emitting areas of spiral filament constitution, and the light that can make 4 spiral filament send can be more even jets out from the 2 surfaces of printing opacity bubble bodies.

Referring to fig. 1 and 2, a light emitting surface of the coiled filament 4 and an axis of the coiled filament 4 form an included angle, and the included angle ranges from 1 ° to 45 °. The light-emitting surface of the spiral filament 4 and the axis of the spiral filament 4 form an included angle, so that the light emitted by the spiral filament 4 can be better emitted, and the light can be more uniformly emitted from the surface of the light-transmitting bulb body 2.

Referring to fig. 1 and 2, as an embodiment of the filament lamp according to the present invention, a ratio between a minimum diameter dimension of the coiled filament 4 and a maximum diameter dimension of the coiled filament 4 ranges from 0.1 to 0.95. In this embodiment, the diameter of the coiled filament 4 refers to the diameter of the body of the coiled filament 4, which is not the diameter of the coiled filament 4, and the ratio of the minimum diameter of the coiled filament 4 to the maximum diameter of the coiled filament 4 ranges from 0.1 to 0.95, so that the interference of the filament at the top of the coiled filament 4 to the light emitted from the bottom filament can be prevented, and the light emitted from the lamp is more uniform and softer.

Referring to fig. 1 and 2, as an embodiment of the filament lamp provided by the present invention, the pitch size of the coiled filament 4 increases or decreases in sequence from the direction close to the burner assembly 1 to the direction away from the burner assembly 1. The light that can be convenient according to the convenient regulation filament of the concrete shape of lamps and lanterns jets out makes the light that spiral filament 4 sent can jet out better, makes the more even 2 surfaces of following the printing opacity bubble of light and jets out.

Referring to fig. 1 and 2, the mounting stem 3 includes a mounting base 31 having an end fixed to the lamp holder assembly 1, and a winding rod 32 disposed on the mounting base 31, and the mounting base 31 further includes two conductive supports 33 respectively connected to the ends of the coiled filament 4. The installation of the spiral filament 4 is more convenient, and the connection of the spiral filament 4 and an external circuit is more convenient.

Referring to fig. 1 and 2, a lamp cap assembly 1 includes a main barrel 11, a conductive lamp cap 12 disposed at one end of the main barrel 11, and a driving unit disposed in the main barrel 11 and respectively connected to the conductive lamp cap 12 and the spiral filament 4, and a light-transmitting bulb 2 disposed at the other end of the main barrel 11. The driving unit and the spiral filament 4 can be conveniently communicated with an external circuit through the external conductive lamp holder 12, and the installation of the light-transmitting bulb body 2 is more convenient due to the arrangement of the main barrel body 11, and the assembly of the lamp is more convenient.

Referring to fig. 1 and 2, as a specific embodiment of the filament lamp provided by the present invention, the mouth of the main cylinder 11 abuts against the outer wall of the light-transmitting bulb 2, and the main cylinder 11 is further provided with a mounting plate for mounting the light-transmitting bulb 2. The setting up of card dress board makes the installation of printing opacity bubble body 2 firm more stable leakproofness better.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a filament lamp, its characterized in that is in including printing opacity bubble body, setting lamp holder subassembly, the one end setting of printing opacity bubble body oral area department are in the other end is located on the lamp holder subassembly the inside installation stem of printing opacity bubble body and around establishing the outside of installation stem just is located the inside spiral filament of printing opacity bubble body, the diameter size of spiral filament reduces in proper order to keeping away from lamp holder subassembly direction from being close to the lamp holder subassembly.

2. The filament lamp according to claim 1, wherein the light emitting surface of the coiled filament is disposed toward the outside of the coiled filament, and the light emitting surface of the coiled filament is located on the cone surface.

3. The filament lamp according to claim 2, wherein the light emitting surface of the coiled filament is disposed at an angle to the axial center of the coiled filament, and the angle is in a range of 1 ° to 45 °.

4. The filament lamp of claim 2 wherein the ratio between the smallest diameter dimension of the coiled filament and the largest diameter dimension of the coiled filament is in the range of 0.1 to 0.95.

5. The filament lamp according to any one of claims 1 to 4, wherein the size of the pitch of the coiled filament increases or decreases in order from the direction close to the base assembly toward the direction away from the base assembly.

6. The filament lamp according to claim 1, wherein the mounting stem comprises a mounting base having ends fixed to the base assembly and a winding rod disposed on the mounting base, and wherein the mounting base further comprises two conductive supports respectively connected to the ends of the coiled filament.

7. The filament lamp according to claim 1, wherein the base assembly comprises a main barrel, a conductive base provided at one end of the main barrel, and a driving unit provided in the main barrel to communicate with the conductive base and the coiled filament, respectively, the light-transmitting bulb being provided at the other end of the main barrel.

8. The filament lamp according to claim 7, wherein the mouth of the main cylinder abuts against an outer wall of the light-transmissive bulb, and a fitting plate for fitting the light-transmissive bulb is further provided in the main cylinder.