TWM596312U - LED filament bulb - Google Patents

Abstract

An LED filament light bulb is provided with an LED filament on a core post, the core post and the LED filament can extend into the interior of the lampshade, so that the lampshade and the core post are closely sealed to form a closed cavity, and the lampshade is further connected to the lamp cap Among them, a LED filament driving element is provided on the guide wire connected to the LED filament, thereby, this creation does not need to install other electronic components, and through this optimization of the LED bulb driving circuit and its structure, the assembly process is simplified, and It can realize automatic production, achieve the effect of improving production efficiency and reducing production costs.

Description

LED filament bulb

This creation is related to an LED lamp, especially an LED filament bulb.

Because LED lamps have the advantages of high efficiency, energy saving, and long life, they gradually replace traditional incandescent bulbs and other lighting lamps. Among them, the mechanical structure of the LED bulb is not much different from the traditional bulb, and can be matched with the existing bulb holder, which can reduce the cost of replacing the hardware replacement of the LED lamp, so it has a market advantage.

The conventional LED light bulb is to install the LED chip in a transparent lampshade, and is equipped with electronic components such as a rectifier circuit board for driving the LED chip, and then assembled with the spiral lamp cap. It is known that the production of LED bulbs needs to go through multiple processes, the assembly process requires special positioning equipment, and the assembly process is cumbersome, so that the production efficiency is low. Therefore, after observing the above-mentioned shortcomings, the creator of this case believes that the conventional LED bulbs need to be further improved, and this creation has been produced.

The purpose of this creation is to provide an LED filament light bulb. By optimizing the drive circuit and structure of the LED light bulb, the assembly process is simplified to achieve the effect of improving production efficiency and reducing production costs.

In order to achieve the above purpose, the LED filament light bulb provided in this creation includes: a core post, the core post includes a glass horn tube, an exhaust pipe, a first guide wire, a first Two guide wires and an LED filament driving element, wherein one end of the exhaust pipe is fixedly installed in the glass horn tube and extends outside the glass horn tube, and the first guide wire and the second guide wire are respectively The glass horn tube is passed along the exhaust pipe, and an LED filament driving element is further provided in the middle of the second guide wire; an LED filament is provided on the other side of the glass horn pipe relative to the exhaust pipe , And one end of the LED filament is connected to one end of the first guide wire, and the other end is connected to one end of the second guide wire; a lampshade is provided on the periphery of the glass horn tube, and the LED filament is extended Into the lampshade; a lamp cap, which is connected with the lampshade and is electrically connected with the other end of the first guide wire and the other end of the second guide wire, respectively.

The LED filament light bulb of this creation can be driven and controlled by the LED filament driving element without installing other electronic components, and only needs to extend the stem of the LED filament into the interior of the lampshade to make the lampshade The closed cavity is formed with the stem, and then the lamp head is connected to complete the assembly, and by optimizing the driving circuit and structure of the LED bulb, not only can simplify the assembly process, but also can omit the assembly process of manually installing electronic components , To achieve automated production, to achieve the effect of improving production efficiency and reducing production costs.

10‧‧‧Core

11‧‧‧glass trumpet

12‧‧‧Exhaust pipe

13‧‧‧First guide wire

14‧‧‧Second guide wire

15‧‧‧LED filament drive element

16‧‧‧LED filament

20‧‧‧Shade

30‧‧‧ lamp holder

40‧‧‧pillar

41‧‧‧glass trumpet

43‧‧‧First guide wire

44‧‧‧Second guide wire

45‧‧‧LED filament drive element

46‧‧‧LED filament

50‧‧‧Shade

60‧‧‧ lamp holder

70‧‧‧pillar

71‧‧‧glass trumpet

73‧‧‧First guide wire

74‧‧‧Second guide wire

75‧‧‧LED filament drive element

76‧‧‧LED filament

80‧‧‧Shade

90‧‧‧ lamp holder

Figure 1 is a combined schematic diagram of the first embodiment of this creation.

Figure 2 is an exploded schematic view of the first embodiment of the present creation.

Figure 3 is a schematic diagram of the second embodiment of the present creation.

Figure 4 is a schematic diagram of the third embodiment of the present creation.

Please refer to Figure 1 and Figure 2 to disclose an LED filament light bulb, which Contains:

A stem 10 includes a glass horn tube 11, an exhaust pipe 12, a first guide wire 13 and a second guide wire 14. Wherein, the bottom of the glass horn tube 11 is slightly expanded so that the glass horn tube 11 has a trumpet shape. The glass horn tube 11 is covered at the end of the exhaust pipe 12 so that one end of the exhaust pipe 12 is fixed in the glass horn pipe 11 and extends outward from the bottom of the glass horn pipe 11. The exhaust pipe 12 can form a gas channel connecting the top space and the bottom space of the glass trumpet tube 11, and can melt the bottom end of the exhaust pipe 12 during the assembly process to close the gas channel. The first guide wire 13 and the second guide wire 14 respectively pass through the glass horn tube 11 along the exhaust pipe 12 and are thereby fixed by the glass horn tube 11. Wherein the first guide wire 13 passes through the glass horn tube 11 and the top end is bent at 90° to be fixed near the top of the glass horn tube 11. The second guide wire 14 continues to face upward after passing through the glass horn tube 11 It is extended, and its top end is bent at 90° and fixed at a position corresponding to the top end of the first guide wire 13, and forms a predetermined distance from the top end of the first guide wire 13 where the LED filament can be installed. The bottom ends of the first guide wire 13 and the second guide wire 14 are located below the bottom of the glass bell tube 11. An LED filament driving element 15 is further provided at the position of the middle section of the second guide wire 14, and the LED filament driving element 15 is located inside the glass horn tube 11. The LED filament driving element 15 is composed of a bridge rectifier chip and a resistor. The bridge rectifier chip can be used for rectification and transformation to convert AC mains power to DC power that meets the requirements of the LED filament, and the resistor can further provide current limiting, thereby The LED filament driving element 15 can provide the voltage and current that meet the requirements of the LED filament to drive and control the LED filament. In the present creation, the LED filament driving element 15 and the second guide wire 14 are prefabricated to form an assembly, and no manual welding is needed to connect the LED filament driving element and the second guide wire.

An LED filament 16 is disposed above the top of the glass horn tube 11 relative to the exhaust pipe 12, and the LED filament 16 is connected to the top of the first guide wire 13 and the first The tip of the second guide wire 14. In the first embodiment of the present creation, the LED filament 16 is in a straight strip shape, and is longitudinally fixed on the stem 10.

A lampshade 20 is provided on the periphery of the bottom of the glass horn tube 11 of the stem 10 so that the upper half of the stem 10 and the LED filament 16 extend into the interior of the lampshade 20. The lampshade 20 can be connected with the glass horn The tube 11 is melted and tightly closed, and can be exhausted through the exhaust pipe 12 to exhaust the internal gas after being sealed, and then melted to close the bottom end of the exhaust pipe 12, so that the lampshade 20 and the stem 10 form a closed cavity.

A base 30 is connected to the bottom end of the first guide wire 13 and the bottom end of the second guide wire 14 respectively, and the bottom end of the first guide wire 13 is welded and fixed at the negative position inside the base 30 That is, the spiral side wall of the base 30, the bottom end of the second guide wire 14 is welded and fixed at the positive position inside the base 30, that is, the bottom contact of the base 30. The base 30 is further connected to the lampshade 20 to cover the lower half of the stem 10.

In order to further understand the structural characteristics of this creation, the use of technical means and the expected effect, I will describe this creation again, I believe that I can have a more in-depth and specific understanding of this creation, as follows: please continue to refer to the first As shown in FIG. 2 and FIG. 2, after the first guide wire 13 and the second guide wire 14 pass through the glass horn tube 11, the portion of the glass horn tube 11 that is penetrated by the glass horn tube 11 is sintered by the glass horn tube 11 It is fixed as a whole, and the top end of the first guide wire 13 bent 90° and the top end of the second guide wire 14 bent 90° have sufficient space to weld and fix the LED filament 16, thereby providing the LED filament 16 Support, so that the LED filament 16 is firmly fixed to the upper half of the stem 10 longitudinally. The upper half of the stem 10 and the LED filament 16 can extend into the interior of the lampshade 20 through automated equipment, and fuse the lampshade 20 with the glass horn tube 11 to integrate the LED filament 16 and the stem 10 The upper half of the structure provides protection. After the lampshade 20 is in close contact with the glass horn tube 11, it can pass through the The exhaust pipe 12 is evacuated to exhaust the internal gas by using automatic equipment, and then the condensation pipe 12 is closed by fusion and condensation, so that the lampshade 20 and the stem 10 form a closed cavity, thereby avoiding the existence of moisture in the operating environment of the LED filament 16 And affect the life of the LED filament 16. Finally, the bottom ends of the first guide wire 13 and the second guide wire 14 are fixed inside the base 30, so that the first guide wire 13 is electrically connected to the negative electrode, and the second guide wire 14 is electrically connected to the positive electrode. The lamp cap 30 is connected with the lamp cover 20 to constitute the finished LED filament bulb.

Since the LED filament driving element 15 can provide the voltage and current in accordance with the requirements of the LED filament 16 to drive and control the LED filament 16, the LED filament light bulb does not need to install any other electronic components, which can optimize the LED light bulb driving circuit and its The structure can no longer require the assembly process of manually installing electronic components, which is beneficial to automated production and improves production efficiency.

It is worth mentioning that when the LED filament driving element 15 is disposed at the inner position of the glass horn tube 11, the glass horn tube 11 can be fused with the LED filament driving element 15 to increase its stability, thereby Improve service life.

Please refer to FIG. 3, which discloses the second embodiment of the present creation. This embodiment differs from the first embodiment of the present invention described above in that the LED filament driving element 45 is located above the top of the glass horn 41 That is, in this embodiment, only the second guide wire 44 passes through the glass horn tube 41 and is fused with it. The LED filament driving element 45 is located above the top of the glass horn tube 41 and is not fused with the glass horn tube 41 Get together. In the second embodiment of the present invention, the first guide wire 43 and the second guide wire 44 can be simultaneously passed from the top of the glass trumpet tube 41 through the glass trumpet tube 41, thereby facilitating automated production and further improving production effectiveness.

Please refer to FIG. 4, which discloses the third embodiment of this creation. The difference between this embodiment and the first embodiment of this creation is that: the top of the first guide wire 73 and the second guide wire 74 After passing through the glass horn tube 71, the top end is fixed at a position close to the top of the glass horn tube 71, and the top end of the first guide wire 73 and the top end of the second guide wire 74 are correspondingly fixed at the same height position The LED filament 76 is a curved arc, and the two ends of the LED filament 76 are respectively connected to the top of the first guide wire 73 and the top of the second guide wire 74, so that the LED filament 76 is fixed in an inverted U shape On the stem 70.

Hereby, the characteristics of this creation and the achievable expected functions are stated as follows: The LED filament bulb of this creation can be driven and controlled by the LED filament driving element so that the LED filament bulb does not need to be installed again For other electronic components, it is only necessary to extend the stem of the LED filament into the lampshade to form a sealed cavity between the lampshade and the stem, and then connect the lamp cap to complete the assembly, and optimize the LED bulb through this The driving circuit and its structure not only can simplify the assembly procedure, but also can omit the assembly process of manually installing electronic components, realize automated production, and achieve the effects of improving production efficiency and reducing production costs.

In summary, this creation has its excellent progress and practicality in similar products. At the same time, it has searched domestic and foreign technical information about such structures, and no similar structure exists in the literature. Therefore, This creation has already possessed the requirements for new-type patents.

However, the above mentioned are only the preferred and feasible embodiments of the creation, so the equivalent structural changes of the application of the creation specification and the scope of patent application should be included in the scope of the patent of the creation.

10‧‧‧Core

11‧‧‧glass trumpet

13‧‧‧First guide wire

14‧‧‧Second guide wire

15‧‧‧LED filament drive element

16‧‧‧LED filament

20‧‧‧Shade

30‧‧‧ lamp holder

Claims (8)

An LED filament light bulb includes: a core post, the core post includes: a glass horn tube; an exhaust pipe, one end of which is fixed in the glass horn tube, and extends toward the outside of the glass horn tube A first guide wire, which runs through the glass horn tube along the exhaust pipe; a second guide wire, which runs through the glass horn tube along the exhaust pipe; an LED filament drive element, In the middle of the second guide wire; an LED filament is provided on the other side of the glass horn tube relative to the exhaust pipe, and one end of the LED filament is connected to the top of the first guide wire, and the other end is It is connected to the top of the second guide wire; a lampshade whose cover is placed on the periphery of the glass horn tube, and the LED filament is extended into the lampshade; a lamp cap is connected with the lampshade and connected with The bottom end of the first guide wire and the bottom end of the second guide wire are electrically connected. The LED filament light bulb according to item 1 of the patent application scope, wherein the LED filament driving element is located inside the glass horn tube. The LED filament light bulb according to item 1 of the patent application scope, wherein the LED filament driving element is located above the top of the glass horn tube. The LED filament light bulb according to item 1 of the patent application scope, wherein the top end of the first guide wire is bent 90 degrees and fixed at a position close to the glass trumpet tube, and the top end of the second guide wire is bent 90 The degree is fixed at a position corresponding to the top of the first guide wire. The LED filament light bulb according to item 1 of the patent application scope, wherein the LED filament driving element is composed of a bridge rectifier chip and a resistor, and the LED filament driving element and the second guide The wire is prefabricated to form a component. The LED filament light bulb according to item 1 of the patent application scope, wherein the LED filament is in a straight strip shape, and is longitudinally fixed on the stem. The LED filament light bulb according to item 1 of the patent application scope, wherein the LED filament is a curved arc shape and is fixed on the stem in an inverted U shape. The LED filament light bulb according to item 1 of the patent application scope, wherein the bottom end of the first guide wire is electrically connected to the negative position of the base, and the bottom end of the second guide wire is electrically connected to the positive side of the base position.

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