CN212204078U

CN212204078U - Improved LED filament bulb

Info

Publication number: CN212204078U
Application number: CN202020918196.3U
Authority: CN
Inventors: 雷剑文
Original assignee: Dongguan Yicheng Lighting Technology Co ltd
Current assignee: Dongguan Yicheng Lighting Technology Co ltd
Priority date: 2020-05-27
Filing date: 2020-05-27
Publication date: 2020-12-22
Anticipated expiration: 2030-05-27

Abstract

The utility model provides an improved LED filament bulb, which comprises a lampshade, a lamp holder and a lamp wick unit with a constant current power supply, wherein the lamp wick unit comprises a core column with the constant current power supply, two conductive wires arranged on the core column and an LED filament electrically connected with the two conductive wires; the middle of stem is provided with central support frame, and the top of central support frame still is provided with the support frame towards the protrusion of one side of LED filament, and the left and right sides of central support frame is located respectively to two conductive wire, the both ends of LED filament respectively with the top welded fastening of two conductive wire, the LED filament is the arc, the middle part of LED filament is supported to the outside end winding of support frame. The LED filament is the arc with traditional incandescent filament and transversely fixes the setting in the stem top, and the light of LED filament shines the outside more with incandescent lamp is the same, reduces the reflection to can improve the illumination utilization ratio of LED bulb, enlarge the light distribution angle of LED bulb, it is the same with the luminous effect of traditional incandescent lamp, the effect is better.

Description

Improved LED filament bulb

Technical Field

The utility model relates to a LED bulb technical field especially discloses an improvement formula LED filament bulb.

Background

The LED bulb is one of the illumination product commonly used, and the LED bulb all disposes and is used for luminous LED filament, and the LED bulb adopts non-flexible LED filament among the prior art, can not bend and arrange the use, and the LED filament generally is the low angle light-emitting for the LED filament is arranged the limitation height, causes the inhomogeneous phenomenon of LED filament lamp light-emitting effect easily, and it is very big with traditional incandescent lamp luminous effect difference.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects and deficiencies in the prior art, the utility model aims to provide an improved LED filament bulb, which ensures that an LED filament is stably limited at a required position on a core column, avoids the LED filament from being badly used due to position change, improves the service performance of a wick unit, further improves the service performance of the bulb, and prolongs the service life of the wick unit; the luminous effect is the same as that of the traditional incandescent lamp, and the effect is better.

In order to achieve the above object, the present invention provides an improved LED filament bulb, which includes a lampshade, a lamp cap, and a wick unit with a constant current power supply, wherein the wick unit includes a stem with a constant current power supply, two conductive wires disposed on the stem, and an LED filament electrically connected to the two conductive wires; the middle of stem is provided with central bracing frame, and the top of central bracing frame is provided with the support frame towards the protrusion of one side of LED filament, and the left and right sides of central bracing frame is located respectively to two conductive filaments, and the both ends of LED filament are welded fastening with the top of two conductive filaments respectively, and the LED filament is the arc, and the middle part of LED filament is supported to the outside end winding of support frame.

The lamp comprises a lamp holder, a lamp shade, a core column and a protective gas, wherein the core column and the lamp shade are made of glass, the core column and the lamp shade are fixedly welded to form a bulb lamp body, then the bulb lamp body is vacuumized and filled with protective gas to form a semi-finished product, and the lamp holder is arranged below the bulb lamp body and becomes a full-glass bulb.

Furthermore, the lamp core further comprises a core column external member made of plastic, a round through hole is formed in the middle of the core column external member, the core column is sleeved into the round through hole of the core column external member from bottom to top before the LED lamp filament is not welded, and the core column external member and the core column form a lamp core body.

Furthermore, the stem external member is including inlayer rubber ring body and outer rubber ring body, and the interval is provided with a plurality of connecting pieces between inlayer rubber ring body and outer rubber ring body, connecting piece, inlayer rubber ring body and outer rubber ring body integrated into one piece.

Furthermore, the lampshade is a plastic light-transmitting cover, and the lower end of the plastic light-transmitting cover is provided with an insertion section matched with the size of the outer rubber ring body; when the core column is welded with the LED lamp filament, the core column sleeve piece and the core column are arranged in the plug-in section in an interference fit mode.

Still further, the outside of grafting section is equipped with the external screw thread of being convenient for screw up fixed lamp holder.

Preferably, the central support frame is a glass central support frame, the support frame is a metal wire, a fixed end of the metal wire is fixed to the top of the glass central support frame in a fusion mode, and an outer side end of the metal wire is wound into a ring to support the middle of the LED filament.

Preferably, the LED filament is a flexible deformable LED filament, which includes a flexible substrate made of a soft circuit board and a plurality of LED light sources disposed on the flexible substrate.

Has the advantages that:

the utility model provides a pair of improvement formula LED filament bulb, LED filament are the arc and transversely fix the setting in the stem top, and the light of LED filament can shine the outside more, reduces the reflection to can improve the illumination utilization ratio of LED bulb, enlarge the light distribution angle of LED bulb, have simple structure, the effectual advantage of light-emitting, it is the same with the luminous effect of traditional incandescent lamp, the effect is better.

Drawings

Fig. 1 is a schematic structural diagram of the middle stem of the present invention.

Fig. 2 is a schematic view of a three-dimensional structure of the middle wick unit of the present invention.

Fig. 3 is a structural diagram of the core column and the core column set of the present invention after combination.

Fig. 4 is a structural diagram of the improved LED filament bulb of the present invention.

The reference numerals include:

1-lampshade 2-lamp holder 3-lamp wick unit

31-core column 32-conductive wire 33-LED filament

34-center support 35-support 4-core column external member

41-inner layer rubber ring body 42-outer layer rubber ring body 5-constant current power supply.

Detailed Description

The present invention will be further described with reference to the following examples and accompanying drawings.

Referring to fig. 1-4, the utility model provides an improvement formula LED filament bulb, it includes lamp shade 1, lamp holder 2 and from the wick unit 3 of taking constant current power supply, wick unit 3 includes stem 31 from taking constant current power supply, sets up in two conductive filament 32 of stem 31, with two conductive filament 32 electric connection's LED filament 33, and any one of two conductive filament 32 is provided with constant current power supply 5, constant current power supply 5 sets up in the middle part or the lower part of conductive filament 32, and is located the inboard of stem 31, and constant current power supply 5 is hidden in the aesthetic property that LED bulb can not be influenced to the inside constant current power supply 5 of stem 31. The middle of stem 31 is provided with central support 34, and the top of central support 34 is provided with support 35 towards the protrusion of one side of LED filament 33, and two conductive wire 32 locate the left and right sides of central support 34 respectively, and the both ends of LED filament 33 are welded fastening with the top of two conductive wire 32 respectively, and LED filament 33 is the arc, and the middle part of LED filament 33 is supported to the outside end winding of support 35. LED filament 33 is arc transverse fixation and sets up in stem 31 top, and LED filament 33's illuminating light can shine the outside more, reduces the reflection to can improve LED bulb's illumination utilization ratio, enlarge LED bulb's light distribution angle, it is the same with the luminous effect of traditional incandescent lamp, the effect is better.

In the first embodiment, the stem 31 and the globe 1 are made of glass, the stem 31 and the globe 1 are welded and fixed to form a bulb body, then a protective gas is injected into the bulb body to form a semi-finished product after vacuum pumping, and the lamp cap 2 is installed below the bulb body to form a full-glass bulb. In the first embodiment, the LED filament bulb is different from the conventional LED bulb in that the LED filament 33 is installed at a different position and in a different structure, and the LED filaments 33 all emit light in the same direction, so that the brightness of the light is uniform.

As an embodiment two, the improved LED filament bulb further includes a stem set 4 made of plastic, a circular through hole is disposed in the middle of the stem set 4, the stem 31 is sleeved into the circular through hole of the stem set 4 from bottom to top before the LED filament 33 is not welded, and the stem set 4 and the stem 31 form a core body. The stem 31 is positioned and installed below the lampshade 1 through the stem sleeve piece 4, so that the process of hot melting sealing is not needed before the lamp cap is installed, the production process of the LED filament bulb is simplified, the production efficiency is effectively improved, and the product quality is improved.

Further, stem external member 4 is provided with a plurality of connecting pieces including inlayer rubber ring body 41 and outer rubber ring body 42 between inlayer rubber ring body 41 and outer rubber ring body 42 interval, connecting piece, inlayer rubber ring body 41 and outer rubber ring body 42 integrated into one piece, inlayer rubber ring body 41 are used for fixing a position the installation to stem 31, and outer rubber ring body 42 is used for inserting the lamp shade below, realizes stem external member 4's location installation.

Further, the lampshade 1 is a plastic light-transmitting cover, and the lower end of the plastic light-transmitting cover is provided with an insertion section matched with the outer-layer rubber ring body 42 in size; when the core column 31 is welded with the LED filament 33, the core column kit 4 and the core column 31 are installed in the inserting section in an interference fit manner. Still further, the outside of grafting section is equipped with the external screw thread of being convenient for screw up fixed lamp holder 2. In the second embodiment, the lampshade 1 and the stem set 4 made of plastic are adopted, and the lampshade 1 and the stem set 4 are produced into accessories according to preset specifications before being assembled into a bulb; after the lamp wick unit 3 is manufactured, the lamp wick unit 3 and the core column sleeve member 4 are integrated, then the lamp wick unit is sleeved into the insertion section of the lampshade 1 to form a bulb body of the LED bulb, and finally the lamp holder 2 is screwed down to finish the manufacturing of the LED filament bulb.

Preferably, the central support 34 is a glass central support 34, the support 35 is a metal wire, a fixed end of the metal wire is fixed on the top of the glass central support 34 by fusing, and an outer end of the metal wire is wound into a ring to support the middle of the LED filament 33, so that the LED filament 33 can be prevented from shaking, and the service life of the LED filament bulb can be prolonged.

Preferably, the LED filament 33 is a flexible deformable LED filament, which includes a flexible substrate made of a soft circuit board and a plurality of LED light sources disposed on the flexible substrate.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention is disclosed in the preferred embodiment, it is not limited to the above description, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, but all the technical solutions of the present invention are within the scope of the present invention.

Claims

1. An improved LED filament bulb comprises a lampshade, a lamp holder and a lamp wick unit with a constant current power supply, wherein the lamp wick unit comprises a core column with the constant current power supply, two conductive wires arranged on the core column and an LED filament electrically connected with the two conductive wires; the method is characterized in that: the middle of stem is provided with central bracing frame, and the top of central bracing frame is provided with the support frame towards the protrusion of one side of LED filament, and the left and right sides of central bracing frame is located respectively to two conductive filaments, and the both ends of LED filament are welded fastening with the top of two conductive filaments respectively, and the LED filament is the arc, and the middle part of LED filament is supported to the outside end winding of support frame.

2. The improved LED filament bulb of claim 1, wherein: the core column and the lampshade are made of glass, the core column and the lampshade are welded and fixed to form a bulb body, then protective gas is injected through vacuumizing, and the lamp cap is installed below the bulb body to form a full-glass bulb.

3. The improved LED filament bulb of claim 1, wherein: the LED lamp further comprises a core column external member made of plastic, a round through hole is formed in the middle of the core column external member, the core column is sleeved into the round through hole of the core column external member from bottom to top before the LED lamp filament is not welded, and the core column external member and the core column form a lamp core body.

4. The improved LED filament bulb of claim 3, wherein: the stem external member is provided with a plurality of connecting pieces at intervals between the inner rubber ring body and the outer rubber ring body, and the connecting pieces, the inner rubber ring body and the outer rubber ring body are integrally formed.

5. The improved LED filament bulb of claim 4, wherein: the lampshade is a plastic light-transmitting cover, and the lower end of the plastic light-transmitting cover is provided with an insertion section matched with the size of the outer rubber ring body; when the core column is welded with the LED lamp filament, the core column sleeve piece and the core column are arranged in the plug-in section in an interference fit mode.

6. The improved LED filament bulb of claim 5, wherein: the outer side of the insertion section is provided with an external thread which is convenient for screwing the fixed lamp holder.

7. The improved LED filament bulb of claim 1, wherein: the central support frame is a glass central support frame, the support frame is a metal wire, the fixed end of the metal wire is fixed at the top of the glass central support frame in a fusion mode, and the outer side end of the metal wire is wound into a ring to support the middle of the LED filament.

8. The improved LED filament bulb of claim 1, wherein: the LED filament is a flexible deformable LED filament and comprises a flexible substrate made of a soft circuit board and a plurality of LED light sources arranged on the flexible substrate.