CN214840184U - Flexible filament lamp - Google Patents

Abstract

The utility model provides a flexible filament lamp, including glass stem, wire and flexible filament strip, many wires fuse on the glass stem, and flexible filament strip interval is equipped with a plurality of holes, and flexible filament strip clearing hole articulates in proper order at the wire end, and then twines around the glass stem. The distance between the holes can be adjusted according to factors such as the density of the wires and the length of the glass core column. The flexible lamp filament strip can be fixed on the support metal wire fast and conveniently through this hole to save activity duration and assembly cost, can form multiple form through this mode flexible lamp filament strip moreover, it is decorative stronger. The flexible filament strip can be a monochromatic light source filament strip, a bicolor light source filament strip or a multicolor light source filament strip, and the tail part of the cathode of the multicolor light source filament is forked and welded on different conductive metal wires, so that spot welding can be facilitated and the spot welding process can be improved.

Description

Flexible filament lamp

Technical Field

The utility model belongs to the technical field of lighting apparatus, concretely relates to flexible filament lamp.

Background

With the development of lighting technology, incandescent lamps are gradually eliminated, and flexible filament lamps are increasingly used. The flexible filament lamp generally adopts a flexible LED filament strip, and this flexible LED filament strip can bend into various shapes, is similar to traditional tungsten filament, has good decoration, 360 luminous angles of degree and outstanding illumination brightness, has received liking of most people. However, the existing flexible filament lamp usually utilizes a molybdenum filament hook to fix the flexible filament strip on the glass core column, and by using the fixing mode, the flexible filament strip must be straightened, so that the assembly efficiency is low, the flexible filament strip is easy to fall off, the structure is more complex, and more processing processes are required, thereby leading to higher production cost.

SUMMERY OF THE UTILITY MODEL

In order to solve the fixed difficulty of current flexible filament lamp, assembly efficiency is lower and manufacturing cost is higher scheduling problem, this application provides a flexible filament lamp to solve the technical defect problem that flexible filament lamp exists in process of production.

The utility model provides a flexible filament lamp, including glass stem, wire and flexible filament strip, many wires fuse on the glass stem, and flexible filament strip interval is equipped with a plurality of holes, and flexible filament strip clearing hole articulates in proper order at the wire end, and then twines around the glass stem. The distance between the holes can be adjusted according to factors such as the density of the wires and the length of the glass core column. By utilizing the hole, the flexible filament strip can be fast and firmly fixed on the metal wire, so that the production efficiency is improved, and the flexible filament strip can be bent and has stronger decoration.

Preferably, the wires include a support wire and a conductive wire. The plurality of support wires and the conductive wires may be fused according to the shape of the flexible filament strip to be wound.

Preferably, the end of the support metal wire is a bent filament fixing part, the filament fixing part arranged at the upper part of the glass core column faces upwards, and the filament fixing part arranged at the lower part of the glass core column faces downwards. So that the metal wire can conveniently pass through the hole of the flexible filament strip, and the flexible filament strip can be firmly wound around the glass core column.

More preferably, the positive electrode and the negative electrode of the flexible lamp filament are welded and fixed on the conductive metal wire. So as to form a circuit loop, and the arrangement of the conductive metal wire does not influence the aesthetic degree of the whole appearance of the flexible filament lamp.

Further preferably, the flexible filament strip comprises a monochromatic light source filament strip, a bicolor light source filament strip and a polychromatic light source filament strip, the flexible filament strip comprises a plurality of chips, and the plurality of chips are connected in series and/or in parallel. To satisfy more lighting requirements of users.

Preferably, the filament strip of the bi-color light source and the tail part of the cathode of the filament of the multi-color light source are branched into two or more connecting parts, and the connecting parts are welded on different conductive metal wires. The split tail of the negative electrode can facilitate spot welding and improve the spot welding process.

Preferably, the metal wire is made of nickel-containing material. The adoption of nickel-containing materials can facilitate welding, thereby improving the reliability of fixed connection with the flexible filament strip.

Preferably, the flexible filament strip is wound around the glass core column to form a wavy line structure, and the wavy line is in a sine waveform, a V-shaped waveform or a rectangular waveform. The flexible lamp filament has diversified forms, stronger decoration and higher appreciation value.

Preferably, still include cell-shell, stem base, drive assembly and radiating piece, the cell-shell is connected in order to form the cavity that holds glass stem, wire and flexible filament strip with the stem base, and the cell-shell is connected with the radiating piece, and drive assembly fixed mounting is in the radiating piece.

Further preferably, the conductive wire is correspondingly connected with a color temperature circuit on the driving component. To achieve color temperature switching and brightness adjustment.

Compared with the prior art, the utility model discloses a beneficial achievement lies in:

(1) a hole is reserved at every interval certain distance on flexible filament strip, and flexible filament strip can be fixed in on supporting the wire through this hole fast conveniently to save activity duration and assembly cost, can form multiple form through this mode flexible filament strip moreover, decorative stronger.

(2) The flexible filament strip can be a monochromatic light source filament strip, a bicolor light source filament strip or a multicolor light source filament strip, and the tail part of the cathode of the multicolor light source filament is forked and welded on different conductive metal wires, so that spot welding can be facilitated and the spot welding process can be improved.

Drawings

The accompanying drawings are included to provide a further understanding of the embodiments and are incorporated in and constitute a part of this specification. The drawings illustrate embodiments and together with the description serve to explain the principles of the invention. Other embodiments and many of the intended advantages of embodiments will be readily appreciated as they become better understood by reference to the following detailed description. The elements of the drawings are not necessarily to scale relative to each other. Like reference numerals designate corresponding similar parts.

FIG. 1a is a schematic view of the internal structure of a filament lamp with monochromatic light source according to an embodiment of the present invention, and FIG. 1b is a drawing of the filament of the monochromatic light source;

fig. 2a is a schematic view showing an internal structure of a filament lamp with a dual color light source according to a second embodiment of the present invention, and fig. 2b is a view showing a stretched state of a filament of the dual color light source;

fig. 3a is a schematic view of the internal structure of a multi-color light source filament lamp according to a third embodiment of the present invention; 3b is a drawing of a stretched state of a filament of the multicolor light source;

fig. 4 is an exploded view of a flexible filament lamp in accordance with an embodiment of the present invention.

The meaning of each number in the figure: 1-glass core column, 2-flexible filament strip, 20-hole, 21-monochromatic light source filament strip, 22-bicolor light source filament strip, 23-multicolor light source filament strip, 24-chip, 220-anode, 221-cathode of monochromatic light source filament strip, 222-cathode of bicolor light source filament strip, 223-cathode of multicolor light source filament strip, 3-metal wire, 31-supporting metal wire, 311-filament fixing part, 32-conductive metal wire, 4-core column base, 5-bulb shell, 6-driving component and 7-heat sink.

Detailed Description

In the following detailed description, reference is made to the accompanying drawings, which form a part hereof, and in which is shown by way of illustration specific embodiments in which the invention may be practiced. In this regard, directional terminology, such as "top," "bottom," "left," "right," "up," "down," etc., is used with reference to the orientation of the figures being described. Because components of embodiments can be positioned in a number of different orientations, the directional terminology is used for purposes of illustration and is in no way limiting. It is to be understood that other embodiments may be utilized and logical changes may be made without departing from the scope of the present invention. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the present invention is defined by the appended claims.

Specific example 1: fig. 1a shows a schematic diagram of an internal structure of a filament lamp with monochromatic light source according to an embodiment of the present invention, and fig. 1b shows a stretching state diagram of a filament strip with monochromatic light source, in an embodiment, the flexible filament lamp includes a glass stem 1, a flexible filament strip 2, a metal wire 3 and a stem base 4, wherein the metal wire 3 includes a supporting metal wire 31 and a conductive metal wire 32. The plurality of metal wires 3 are fixed on the glass core column 1 in a welding mode, and the glass core column 1 is fixed on the core column base 4. Preferably, the wire 3 is made of nickel-containing material. Part of the wires 3 may be fused to the upper part of the glass stem 1 and part of the wires 3 may be fused to the lower part of the glass stem 1 in order to make the flexible filament lamp emit light uniformly as a whole. The end of the support wire 31 is a bent filament fixing portion 311, the filament fixing portion 311 disposed at the upper portion of the glass stem 1 faces upward, and the filament fixing portion 311 disposed at the lower portion of the glass stem 1 faces downward, so as to prevent the flexible filament strip 2 from falling off. A plurality of holes 20 are reserved on the flexible lamp filament strip 2 at intervals, and the holes 20 can be round, oval, square, triangular and the like. Wherein the distance between the holes 20 and the holes 20 can be adjusted according to the density of the metal wires 3 on the glass core column 1, the length of the glass core column 1 and other factors.

When assembling the flexible lamp filament 2, the holes 20 are sequentially hung on the tail ends of the metal wires 3 according to the sequence of the holes 20 on the flexible lamp filament 2, and the flexible lamp filament can be wound around the glass core column 1. Through this mode, flexible filament strip 2 need not flare-out and forms the tension form, can be sinusoidal waveform or V-arrangement wave form or rectangular waveform, has the variety for whole flexible filament lamp is decorative stronger, more possesses appreciation value. Moreover, the flexible filament strip 2 can be conveniently, quickly and firmly fixed on the metal wire 3 through the hole 20, so that the production efficiency is improved, and the operation time and the assembly cost are saved.

Referring to fig. 1a and 1b, in the present embodiment, taking the filament lamp string 21 of monochromatic light as an example, the positive electrode 220 and the negative electrode 221 of the filament lamp string 21 of monochromatic light are respectively welded and fixed on the conductive wire 32 to form a circuit loop. The hole 20 of the flexible lamp filament strip 2 is generally arranged in the middle of the lamp filament strip to ensure regular hanging. The flexible lamp filament strip 2 includes a plurality of core pieces 24, and the plurality of core pieces 24 are connected in series and/or in parallel. The normal chip 24 may be connected by a metal wire, or the flip chip 24 may be connected by a solder paste.

Specific example 2: fig. 2a is a schematic view showing an internal structure of a filament lamp with a dual color light source according to a second embodiment of the present invention, and fig. 2b is a view showing a stretched state of a filament of the dual color light source; the rest of the structure in this embodiment is as described in embodiment 1, except that: in this embodiment, taking the bi-color light source filament 22 as an example, the bi-color light source filament 22 shares the positive electrode 220, and the tail of the negative electrode 222 of the bi-color light source filament 22 is branched into 2 connecting parts, which are respectively welded on different conductive wires 32 to form a circuit loop. Correspondingly, 3 conductive metal wires 32 are welded at the lower part of the glass core column 1. The preferred bi-color light source filament 22 is a CCT light source filament. The tail of the negative electrode 222 is bifurcated into 2 connections to facilitate spot welding and improve the spot welding process.

Specific example 3: fig. 3a is a schematic view of the internal structure of a multi-color light source filament lamp according to a third embodiment of the present invention; 3b is a drawing of a stretched state of a filament of the multicolor light source; the rest of the structure in this embodiment is as described in embodiment 1, except that: in this embodiment, taking the multicolor light source lamp filament 23 as an example, the multicolor light source lamp filament 23 shares the positive electrode 220, and the tail of the negative electrode 223 of the multicolor light source lamp filament 23 is branched into 3 connecting parts, which are respectively welded on different conductive metal wires 32 to form a circuit loop. Correspondingly, 4 conductive metal wires 32 are welded on the lower part of the glass core column 1. The preferred polychromatic light source lamp filament 23 is an RGB light source lamp filament or an RGBW light source lamp filament. The tail of the negative electrode 223 is bifurcated into a plurality of connecting portions to facilitate spot welding and improve the spot welding process.

Fig. 4 shows an explosion diagram of a flexible filament lamp according to an embodiment of the present invention, as shown in fig. 4, the flexible filament lamp further includes a bulb shell 5, a driving assembly 6 and a heat sink 7, the bulb shell 5 is connected with the stem base 4 to form a cavity for accommodating the glass stem 1, the flexible filament strip 2 and the metal wire 3. Wherein, the glass core column 1 and the bulb shell 5 are sintered together and then inflated, the bulb shell 5 is connected with a heat dissipation piece 7, and the driving component 6 is fixedly installed in the heat dissipation piece 7. The conductive wire 32 is correspondingly connected with a color temperature circuit on the driving component 6 to realize color temperature switching and brightness adjustment.

It will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present invention without departing from the spirit and scope of the invention. In this way, if these modifications and changes are within the scope of the claims of the present invention and their equivalents, the present invention is also intended to cover these modifications and changes. The word "comprising" does not exclude the presence of other elements or steps than those listed in a claim. The mere fact that certain measures are recited in mutually different dependent claims does not indicate that a combination of these measures cannot be used to advantage. Any reference signs in the claims shall not be construed as limiting the scope.

Claims (10)

1. The utility model provides a flexible filament lamp, its characterized in that, includes glass stem, wire and flexible filament strip, many the wire butt fusion in on the glass stem, flexible filament strip interval is equipped with a plurality of holes, flexible filament strip passes through the hole articulate in proper order in the wire is terminal, and then the winding is around the glass stem.

2. The flexible filament lamp of claim 1 wherein the wires comprise a support wire and a conductive wire.

3. The flexible filament lamp according to claim 2, wherein the support wire is terminated with a bent filament fixing portion, the filament fixing portion disposed at an upper portion of the glass stem is directed upward, and the filament fixing portion disposed at a lower portion of the glass stem is directed downward.

4. The flexible filament lamp of claim 2 wherein the positive and negative electrodes of the flexible filament strip are soldered to the conductive wire.

5. The flexible filament lamp according to claim 4, wherein the flexible filament strip comprises a single-color light source filament strip, a dual-color light source filament strip and a multi-color light source filament strip, and the flexible filament strip comprises a plurality of chips, and the plurality of chips are connected in series and/or in parallel.

6. The flexible filament lamp according to claim 5, wherein the filament of the bi-color light source and the negative tail of the multi-color light source are bifurcated into two or more connecting portions, and the connecting portions are welded to different conductive wires.

7. The flexible filament lamp of claim 1 wherein said wire is made of a nickel-containing material.

8. The flexible filament lamp of claim 1, wherein the flexible filament strip is wound around the glass stem to form a wavy line structure, wherein the wavy line has a sinusoidal waveform, a V-shaped waveform, or a rectangular waveform.

9. The flexible filament lamp according to claim 2, further comprising a bulb, a stem base, a driver assembly, and a heat sink, wherein the bulb is coupled to the stem base to form a cavity for housing the glass stem, the wire, and the flexible filament, the bulb is coupled to the heat sink, and the driver assembly is fixedly mounted in the heat sink.

10. The flexible filament lamp of claim 9 wherein said conductive wire is connected to a color temperature circuit on said drive assembly.

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