CN216113451U

CN216113451U - LED filament lamp

Info

Publication number: CN216113451U
Application number: CN202122076686.0U
Authority: CN
Inventors: 占仁燕
Original assignee: Zhejiang Nvc Lamps Co ltd
Current assignee: Zhejiang Nvc Lamps Co ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-03-22
Anticipated expiration: 2031-08-31

Abstract

The utility model relates to an LED filament lamp, which comprises a lamp holder, an LED driver and a bulb shell, wherein a glass core column and LED filaments are arranged in the bulb shell, 2N of the LED filaments is an integer more than 2, a first electric connection end of the driver part is arranged in the glass core column in a penetrating mode and is connected with N transverse conductive filaments at the same time, the LED filaments surround the glass core column, second electric connection ends of the filament parts of all the LED filaments are electrically connected with second electric connection ends of the driver part, and two ends of each transverse conductive filament are electrically connected with first electric connection ends of the filament parts of the same LED filament. The utility model provides an LED filament lamp which is reliable in fixation of a filament and enables objects for fixing the filament to be free of shielding of the filament, and solves the problem that illumination effects are affected due to shielding of the filament by objects for enhancing fixed driving of the filament, such as the conventional filament.

Description

LED filament lamp

Technical Field

The utility model relates to a lamp, in particular to an LED filament lamp.

Background

There are many types of lamps, avoiding incandescent, energy saving, LED, and halogen lamps, etc. The LED has the advantages of small volume, low power consumption, long service life, high brightness, environmental protection, firmness, durability and the like, and is widely applied to lamps.

One structure in the lamp is a bulb, wherein the bulb of the LED filament structure is hereinafter referred to as an LED filament lamp and comprises a head, an LED driver and a bulb shell, the bulb shell and the lamp head enclose a lamp cavity, a glass core column and an LED filament are arranged in the lamp cavity, one end of the LED filament is provided with a first power connection end of the filament part, the other end of the LED filament is provided with a second power connection end of the filament part, and the LED driver is provided with a first power connection end of the driver part and a second power connection end of the driver part for outputting electricity to the LED filament. The lamp holder is LED in a power supply and then is LED to the LED driver, and then is output to the LED lamp filament through the first electric connection end of the driver part and the second electric connection end of the driver part. When the filament has many with, the initial mode of connecting electrically is for setting up two conducting rings, and each conducting ring respectively connects the electric end to link together with the first electricity end that connects of driver portion and driver portion second electricity end respectively through a conducting wire, and the filament can produce to rock the aversion this moment, rocks the initial method of aversion problem for solving the filament and fixes together for increasing the iron wire in the middle part of filament with the glass stem, and this mode not only influences the pleasing to the eye of lamp, and the iron wire causes the sheltering from and influences the illuminating effect to the filament moreover. Therefore, a filament lamp of the structure disclosed in CN201710590368.1 was designed, which solves the problem that the filament is bonded to a transparent cover covering the glass stem, and the structure is troublesome to manufacture and the transparent cover also has a shielding effect (only the amount of shielding and deleting is small) on the light emitted from the filament.

SUMMERY OF THE UTILITY MODEL

The utility model provides an LED filament lamp which is reliable in fixation of a filament and enables objects for fixing the filament to be free of shielding of the filament, and solves the problem that illumination effects are affected due to shielding of the filament by objects for enhancing fixed driving of the filament, such as the conventional filament.

The technical problem is solved by the following technical scheme: an LED filament lamp comprises a lamp holder, an LED driver and a bulb shell, wherein the bulb shell and the lamp holder enclose a lamp cavity, a glass core column and an LED filament are arranged in the lamp cavity, one end of the LED filament is provided with a first electric connection end of the filament part, the other end of the LED filament is provided with a second electric connection end of the filament part, the LED driver is provided with a first power connection end of a driver part and a second power connection end of the driver part, wherein the first power connection end of the driver part and the second power connection end of the driver part are used for outputting electricity to the LED lamp filament, it is characterized in that 2N of the LED lamp filaments are provided, N is an integer more than 2, the first electric connection end of the driver part is arranged in the glass core column in a penetrating way and is connected with N transverse conductive wires simultaneously, the LED lamp filaments are wound around the glass core column, the second electric connection ends of the lamp filament parts of all the LED lamp filaments are electrically connected with the second electric connection ends of the driver part, and the two ends of each transverse conductive wire are electrically connected with the first electric connection ends of the lamp filament parts of the same LED lamp filament. The connection between the filament and the glass core column is reliable and convenient, and the filament is not shielded.

Preferably, all the LED filaments are located on the surface of the same rotating body with the glass stem as a center line. The uniformity of the light emission is good.

Preferably, the LED filaments are uniformly distributed along the circumferential direction of the glass core column. The uniformity of light emission can be further improved.

Preferably, the bulb shell is of a glass structure, one end of the bulb shell, which is connected with the lamp holder, is of an open structure, the glass core column is located in the bulb shell, one end, which is far away from the transverse conductive wire, of the glass core column is hermetically connected to the open end of the bulb shell to seal the open end of the bulb shell, and the bulb shell and the glass core column enclose the lamp cavity. The sealing of the lamp cavity can be realized more conveniently and reliably.

Preferably, the second power connection terminals of the driver part are connected with one end of 2N conductive wires in a one-to-one correspondence, and the second power connection terminals of the filament parts of all the LED filaments are electrically connected with the other end of the conductive wires in a one-to-one correspondence.

Preferably, the conductive wire is welded to the second contact terminal of the filament portion.

Preferably, the transverse conductive wire is welded with the first electric contact of the filament part.

Preferably, the first electric contact of the filament part is a sheet structure, and the transverse conductive wire is welded on the surface determined by the length and width dimensions of the first electric contact of the filament part. The connection reliability can be improved.

Preferably, all the transverse conductive wires are overlapped and welded together, and the transverse conductive wires and the first electric contact of the driver part are welded together. The connection is convenient, and all the transverse conductive wires can be welded with the first electric connection terminal of the driver part at one time.

Preferably, a glass end cover is welded at one end, far away from the lamp holder, of the glass core column to seal a through hole, through which the first power connection end of the driver part passes, in the glass core column, the glass end cover is matched with the glass core column to clamp all the transverse conductive wires, and the glass end cover is matched with the glass core column to wrap the end part of one end, connected with the transverse conductive wires, of the first power connection end of the driver part. The connection reliability between the transverse conductive wire and the first electric connection terminal of the driver part can be improved, and the sealing of the lamp cavity is realized.

The utility model has the following advantages: the lamp filament is reliable when being fixed; the object (transverse conductive wire) for fixing the filament is not shielded from the filament, so that the lighting effect is not influenced; the filament sets up to the fixed and electrically conductive of two filaments of even number and realization simultaneously of a horizontal conductive filament, and is convenient when connecting.

Drawings

FIG. 1 is a schematic bottom view of the present invention;

FIG. 2 is a schematic front view partially in section of the present invention;

fig. 3 is a partially enlarged schematic view at a of the bitmap 2.

In the figure: the LED bulb lamp comprises a lamp holder 1, a bulb shell 2, a lamp cavity 3, a glass core column 4, an LED filament 5, a first electric connection end 6 of a filament part, a second electric connection end 7 of the filament part, a first electric connection end 8 of a driver part, a second electric connection end 9 of the driver part, a transverse conductive wire 10, a conductive wire 11, a glass end cover 12 and a through hole 13 which is formed in the glass core column and used for the first electric connection end of the driver part to pass through.

Detailed Description

The utility model is further described with reference to the following figures and examples.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, an LED filament lamp includes a lamp cap 1, an LED driver, and a bulb case 2, which enclose a lamp cavity 3. The glass core column 4 and the LED filament 5 are arranged in the lamp cavity, a first lamp filament part electricity connecting end 6 is arranged at one end of the LED filament, a second lamp filament part electricity connecting end 7 is arranged at the other end of the LED filament, and the LED driver is provided with a first driver part electricity connecting end 8 and a second driver part electricity connecting end 9 which are used for outputting electricity to the LED filament. The LED filament has 2N as the root, and N is an integer of 2 or more, specifically 8 filaments in this embodiment. The first electric connection terminal of the driver part is arranged in the glass core column in a penetrating way and is connected with N (specifically 4) transverse conductive wires 10. The LED filament is surrounded on the glass stem, and specifically: all the LED filaments are positioned on the surface of the same rotating body with the glass core column as a center line. The LED lamp filaments are uniformly distributed along the circumferential direction of the glass core column. The lamp filament portion second of all LED filaments connects electric end and all connects electric end electricity with driver portion second and be connected together, specifically: the second power connection terminals of the driver portion are electrically connected to one end of 2N (8 in this embodiment) conductive wires 11 in a one-to-one correspondence, and the second power connection terminals of the filament portions of all the LED filaments are electrically connected to the other end of the conductive wires in a one-to-one correspondence. The two ends of each transverse conductive wire are respectively connected with the first electric connection end of the filament part of the same LED filament in an electric conduction mode. The bulb is of a glass structure, one end of the bulb, which is connected with the lamp holder, is of an open structure, the glass core column is located in the bulb, one end, which is far away from the transverse conductive wire, of the glass core column is connected to the open end of the bulb in a sealing mode and seals the open end of the bulb, and the bulb and the glass core column enclose a lamp cavity. The conducting wire is welded with the second electric connection end of the filament part. The transverse conductive wire is welded with the first electric connection end of the filament part. The first electric terminal of the filament part is of a sheet structure, and the transverse conductive wire is welded on the surface determined by the length and width of the first electric terminal of the filament part. All the transverse conductive wires are crossed and overlapped together and are welded and fixed together, and the transverse conductive wires are welded together with the first electric connection end of the driver part. One end of the glass core column, which is far away from the lamp holder, is welded with a glass end cover 12 to seal a through hole 13 in the glass core column, through which the first electric connection end of the driver part passes, the glass end cover is matched with the glass core column to clamp all the transverse conductive wires, and the glass end cover is matched with the glass core column to cover the end part of one end, connected with the transverse conductive wires, of the first electric connection end of the driver part.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An LED filament lamp comprises a lamp holder, an LED driver and a bulb shell, wherein the bulb shell and the lamp holder enclose a lamp cavity, a glass core column and an LED filament are arranged in the lamp cavity, one end of the LED filament is provided with a first electric connection end of the filament part, the other end of the LED filament is provided with a second electric connection end of the filament part, the LED driver is provided with a first power connection end of a driver part and a second power connection end of the driver part, wherein the first power connection end of the driver part and the second power connection end of the driver part are used for outputting electricity to the LED lamp filament, it is characterized in that the LED filament has 2N, N is an integer more than 2, the first electric connection end of the driver part is arranged in the glass core column in a penetrating way and is connected with N transverse conductive wires simultaneously, the LED lamp filaments are wound around the glass core column, the second electric connection ends of the lamp filament parts of all the LED lamp filaments are electrically connected with the second electric connection ends of the driver part, and the two ends of each transverse conductive wire are electrically connected with the first electric connection ends of the lamp filament parts of the same LED lamp filament.

2. The LED filament lamp of claim 1 wherein all of the LED filaments are on the surface of the same body of revolution centered on the glass stem.

3. The LED filament lamp of claim 2, wherein the LED filaments are uniformly distributed along the circumference of the glass stem.

4. The LED filament lamp according to claim 1, 2 or 3, wherein the bulb is of a glass structure, the end of the bulb connected to the lamp holder is of an open structure, the glass stem is located in the bulb, the end of the glass stem away from the transverse conductive wire is hermetically connected to the open end of the bulb to close the open end of the bulb, and the bulb and the glass stem enclose the lamp cavity.

5. The LED filament lamp according to claim 1, 2 or 3, wherein the second power terminals of the driver portion are electrically connected to one end of 2N conductive wires in a one-to-one correspondence, and the second power terminals of the filament portions of all the LED filaments are electrically connected to the other end of the conductive wires in a one-to-one correspondence.

6. The LED filament lamp of claim 5 wherein the electrically conductive wire is soldered to the second electrical terminal of the filament portion.

7. The LED filament lamp of claim 1, 2 or 3, wherein the transverse conductive wire is welded to the first electrical contact of the filament portion.

8. The LED filament lamp of claim 7, wherein the first electrical terminal of the filament portion is a plate-like structure, and the electrically conductive cross-wire is welded to a surface of the first electrical terminal of the filament portion defined by the length and width dimensions thereof.

9. The LED filament lamp of claim 7, wherein all of the electrically conductive cross wires are cross-lapped and welded together, and the electrically conductive cross wires are welded to the first electrical contact of the driver portion.

10. The LED filament lamp according to claim 1, 2 or 3, wherein a glass end cap is welded to an end of the glass stem away from the lamp cap to close a through hole in the glass stem through which the first electrical terminal of the driver portion passes, the glass end cap cooperates with the glass stem to clamp all the transverse conductive wires, and the glass end cap cooperates with the glass stem to cover an end portion of an end of the first electrical terminal of the driver portion connected to the transverse conductive wires.