CN205619017U

CN205619017U - Light -emitting diode (LED) lamp bulb

Info

Publication number: CN205619017U
Application number: CN201520890326.6U
Authority: CN
Inventors: 李先栗; 李博
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-11-06
Filing date: 2015-11-06
Publication date: 2016-10-05
Anticipated expiration: 2025-11-06

Abstract

The utility model provides a light -emitting diode (LED) lamp bulb, LED luminous element wherein makes the structure of a LED filament chain, even if get up and constitute a LED filament chain according to the ground series connection of polarity end to end several LED filament (2) with filament spiral (1), and positive and negative electrode lead -out wire (3) of filament spiral as whole piece LED filament chain are also connected at the head and the tail both ends at this filament chain, the structure of wrapping clamp filament spiral behind the seal wire crotch is adopted with being connected of interior seal wire (4) of bulb lead -out wire in lead -out wire spiral (3) of here filament chain. In the filament chain each section filament fixed then adopt will be adjacent filament spiral between each section LED filament hang on the stem stem structure that (5) were linked up with to corresponding filament in proper order. The connection of this kind of LED filament need not spot welding with mounting structure, has simplified the filament mounting process greatly, and effective the cost is reduced, and each section LED filament cross -distribution have wherein improved the light distribution curve of bulb, have effectively improved the price / performance ratio of product.

Description

LED bulb

Technical field

This utility model relates to semiconductor illuminating light source field, a kind of uses LED filament chain as the LED bulb of luminous body.

Background technology

The filament light-emitting type LED bulb (being called for short LED filament lamp) that LED illuminator is made filament (or claiming lamp bar) shape increasingly obtains affirmative and the attention of domestic and international market, because its illuminating effect is similar to familiar incandescent lamp bulb, have comprehensive go out light advantage, and luminous efficiency is the highest, energy-saving effect is substantially better than conventional counterparts.Moreover, in it seals cell-shell, it is filled with the helium of high thermal conductivity, makes LED be among the protection of noble gas, improve the reliability of bulb long-lived operation.It is contemplated that, at interior decoration lighting field, LED filament lamp will rule all the land！

LED filament lamp, is steeped by lamp holder, drive circuit and LED luminescence and is formed, or reconnect a working of plastics taking up drive circuit between lamp holder and LED luminescence steep.The working gas helium that the LED luminescence bubble of described LED filament lamp is filled with in comprising LED illuminator, the installation glass stem of LED illuminator, the glass cell-shell of sealing and cell-shell.LED filament in the LED filament lamp occurred on Vehicles Collected from Market is all the vertical bar shaped filament of wall scroll, and is all to use spot-welding technology it to be welded in one by one on the pole of glass stem.The connection of this kind of LED filament and mounting structure, not only spot welding adds the difficulty of mechanization and automatization that the LED luminescence bubble of filament lamp produces often, and in repeatedly pinpoint welding procedure easily damage filament and cause that yield rate is low, poor reliability.Moreover, wherein the arrangement of vertical bar shaped LED filament is close to (see Fig. 1) parallel to each other, is allowed to just little to the light-emitting directions of light bulb base, and distribution curve flux is poor.Separately there is a kind of published LED coiled-coil filament (patent No.: 2013106396686), the structure of this kind of LED filament the most easily produces stress with forming technology and breaks the spun gold that is connected chip, and metal basal board blocks the overwhelming majority and goes out light to substrate back, it is impossible to meet comprehensive go out light requirement.This kind of coiled-coil filament also needs to use spot-welding technology to install filament, and the structure installed is the most numerous and diverse, it is difficult to batch production, fails so far to actually enter market.In sum, how to improve LED filament mounting structure on glass stem, improve the distribution curve flux that LED filament is luminous, it has also become LED filament lamp develops the big key issue of two faced further.

Utility model content

For effectively solving the problems referred to above that current LED filament lamp exists, scheme of the present utility model is that LED illuminator in bulb is made the structure of a kind of LED filament chain.Concrete structure scheme is as follows: this utility model LED bulb is steeped by lamp holder, drive circuit and LED luminescence and formed, the working gas that described LED luminescence bubble is filled with in comprising LED illuminator, the installation glass stem of LED illuminator, the glass cell-shell of sealing and cell-shell.Topmost architectural feature of the present utility model is the structure that LED illuminator therein makes a kind of LED filament chain, it is exactly with filament spiral (1), several LED filament (2) to be together in series end to end by polarity and form a filament chain, and the filament spiral positive and negative electrode lead-out wire (3) as whole piece LED filament chain is also connected at the head and the tail two ends of this filament chain, the bar number of the LED filament comprised in filament chain according to specific needs depending on, as shown in Fig. 3, Fig. 4, Fig. 5；LED filament chain attachment structure on glass stem is that the positive and negative electrode lead-out wire (3) of filament chain is connected with the inner guide wire (4) of glass stem respectively, and the filament spiral (1) between each section of LED filament of filament chain is linked up with (5) with the filament on glass stem respectively and is connected.The connection linked up with stem stem inner guide wire and filament for the filament spiral on filament chain due to the connection of the glass stem of LED filament chain and carrying filament chain in said structure of the present utility model, therefore wired structure can be used and without spot welding, improve yield rate and reliability than conventional spot-welded structures, also improve the distribution curve flux that LED filament is luminous.

Filament spiral in filament chain may select and is coiled into single-screw or the tungsten filament helix of dual helical structure, or molybdenum filament spiral, or steel wire spiral, or copper alloy silk spiral；Filament hook on described glass stem, may be selected to be molybdenum filament hook, or tungsten filament hook, or ferroalloy silk hook, or copper alloy silk hook；The glass rod (6) that filament hook mounting structure on glass stem can all be inserted into glass stem is upper (refering to Fig. 6)；Or the leg plate (7) that whole filaments hook (5) are all inserted into glass stem is upper (refering to Fig. 8, Figure 10)；Or the glass rod (6) that a part of filament hook is inserted into glass stem is upper and another part is inserted in the leg plate (7) of glass stem.

In described LED filament chain the length of each segment filament according to different demands can equal can also be unequal, its length can select between 10mm to 80mm.

This utility model product outstanding advantages compared with existing like product is that production efficiency is high, produces yield rate high, low cost and good illumination effect.

With embodiment, this utility model is illustrated further below in conjunction with the accompanying drawings.

Accompanying drawing explanation

Fig. 1 is the existing 4W filament lamp structural representation of market as a comparison.

Fig. 2 is the structural representation of this utility model embodiment 1.

Fig. 3 is the structural representation of the LED filament chain comprising 2 sections of LED filament.

Fig. 4 is the structural representation of the LED filament chain comprising 4 sections of LED filament.

Fig. 5 is the structural representation of the LED filament chain comprising 8 sections of LED filament.

Fig. 6 is the structural representation of the filament hook distribution in the LED luminescence bubble of this utility model embodiment 1.

Fig. 7 is the LED luminescence bubble structure schematic diagram of this utility model embodiment 1.

Fig. 8 is the structural representation of the filament hook distribution in the LED luminescence bubble of this utility model embodiment 2.

Fig. 9 is the LED luminescence bubble structure schematic diagram of this utility model embodiment 2.

Figure 10 is the structural representation of the filament hook distribution in the LED luminescence bubble of this utility model embodiment 3.

Figure 11 is the LED luminescence bubble structure schematic diagram in this utility model embodiment 3.

In figure, 1 for connecting LED filament filament spiral；2 is LED filament；3 is the positive and negative electrode lead-out wire of LED filament chain；4 is the inner guide wire of glass stem；5 is the filament hook on glass stem；6 is the glass rod of glass stem；7 is the leg plate of glass stem.

Detailed description of the invention

Embodiment 1 is a rated power 6W, luminous flux 600Lm, colour temperature 2700K, the color rendering index LED bulb more than 80, and Fig. 2 is the structural representation of whole lamp.Owing to have employed the drive circuit of extremely miniaturization, it is thus possible to be installed in lamp holder, make the lamp holder of the present embodiment directly steep with LED luminescence and be connected and without adding working of plastics, thus accomplish the outward appearance identical with incandescent lamp bulb.Fig. 7 is the structural representation of LED luminescence bubble in the present embodiment 1, the structural representation of Fig. 6 filament therein hook distribution.The present embodiment 1 uses the filament chain comprising 8 sections of LED filament, and schematic diagram, as it is shown in figure 5, the length of each section of LED filament is equal, is 20mm, and rated power is 0.75W.The length of the positive and negative electrode lead-out wire (3) at every section of filament spiral (1) and filament chain two ends is equal, is 8mm, external diameter 1.5mm；Filament hook (5) is made up of the molybdenum filament of diameter 0.1mm, and length is 20mm, and all filaments hook is all arranged on the glass rod (6) of glass stem, divides 2 layers, and 3, upper strata, lower floor 4, such as Fig. 6.The positive and negative electrode lead-out wire (3) at filament chain two ends respectively by clip pack in the end of Dui Ying stem stem inner guide wire (4), the filament spiral (1) between adjacent LED filament be linked into respectively correspondence filament hook in, such as Fig. 7.

The LED bulb that embodiment 2 is rated power 1.5W, luminous flux is more than 80 more than 150Lm, colour temperature 2700K, color rendering index.Difference from Example 1 is that the filament chain in bulb only comprises 2 LED filament, and schematic diagram is as shown in Figure 3；And on glass stem, there is no glass rod, and it being arranged in leg plate (7) to unique filament hook plug-in type, schematic diagram as shown in Figure 4, be made up of the molybdenum filament of diameter 0.1mm, a length of 35mm by this root filament hook；The schematic diagram of luminous bubble is as shown in Figure 9.Other point out the most same as in Example 1 of explanation the most specially.

The LED bulb that embodiment 3 is rated power 3W, luminous flux is more than 80 more than 300Lm, colour temperature 2700K, color rendering index.Filament chain in bulb comprises 4 LED filament, and schematic diagram is as shown in Figure 4；And the leg plate (7) of glass stem is above mounted with to plug-in type 3 filaments hooks, as shown in Figure 10；The schematic diagram of luminous bubble is as shown in figure 11.Other are the most same as in Example 2.

Claims

1. a LED bulb, by lamp holder, drive circuit and LED luminescence bubble are formed, the LED luminescence bubble of described LED bulb comprises LED illuminator, the glass stem of LED illuminator is installed, the working gas being filled with in the glass cell-shell sealed and cell-shell, it is characterized by that LED illuminator therein makes the structure of a kind of LED filament chain, it is exactly with filament spiral (1), several LED filament (2) to be together in series end to end by polarity and form a filament chain, and the filament spiral positive and negative electrode lead-out wire (3) as whole piece LED filament chain is also connected at the head and the tail two ends of this filament chain；LED filament chain attachment structure on glass stem is that the positive and negative electrode lead-out wire (3) of filament chain is connected with the inner guide wire (4) of glass stem respectively, and the filament spiral (1) between each section of LED filament of filament chain is linked up with (5) with the filament on glass stem respectively and is connected.

2. a kind of LED bulb as claimed in claim 1, is characterized by that filament spiral (1) therein is for be coiled into single-screw or the tungsten filament helix of dual helical structure, or molybdenum filament spiral, or steel wire spiral, or copper alloy silk spiral.

3. a kind of LED bulb as claimed in claim 1, is characterized by that filament therein hook (5) is molybdenum filament hook, or tungsten filament hook, or ferroalloy silk hook, or copper alloy silk hook.

4. a kind of LED bulb as claimed in claim 1, it is characterized by filament hook (5) is installed on glass stem therein, mounting structure is that whole filament hook is all inserted on the glass rod (6) of glass stem, or all filament hook is all inserted in the leg plate (7) of glass stem, or a part of filament hook is inserted on the glass rod (6) of glass stem, and another part is inserted in the leg plate (7) of glass stem.

5. LED bulb as claimed in claim 1 a kind of, is characterized by that the length of each section of LED filament (2) wherein comprised is equal or unequal, and its length selects between 10mm to 80mm.