CN210637833U

CN210637833U - LED bulb

Info

Publication number: CN210637833U
Application number: CN201921565404.XU
Authority: CN
Inventors: 高建强; 江春成
Original assignee: Shanghai Yaming Lighting Co Ltd
Current assignee: Shanghai Yaming Lighting Co Ltd
Priority date: 2019-09-19
Filing date: 2019-09-19
Publication date: 2020-05-29
Anticipated expiration: 2029-09-19

Abstract

The utility model provides a LED bulb, include: the core column comprises at least one flexible light bar, each flexible light bar is formed by packaging a plurality of LED light-emitting chips, and all the flexible light bars are connected in series and/or in parallel; the light-transmitting lamp shell is internally provided with the core column; the lamp holder is fixedly connected with the light-transmitting lamp shell, a switch power supply is arranged in the lamp holder, and the flexible lamp strip is connected with the switch power supply. The utility model discloses a LED bulb adopts traditional HID lamp appearance and glass bulb material to the luminous mode of high strength gas discharge that HID lamp was replaced to the flexible light bar of LED of more energy-conserving more efficient, it is more energy-conserving than traditional HID lamp.

Description

LED bulb

Technical Field

The utility model relates to a lighting source's technical field especially relates to a LED bulb. Specifically, the appearance and the glass bulb material of the traditional HID lamp are adopted, and the high-intensity gas discharge light-emitting lamp of the HID lamp is replaced by the energy-saving and efficient LED flexible light-emitting lamp strip.

Background

With the continuous progress of scientific technology and the continuous improvement of optical efficiency and the continuous reduction of cost of innovative LEDs, the LEDs are used as point light sources, and LED bulbs for replacing incandescent bulbs are manufactured by connecting in series and then configuring a constant voltage/constant current power supply to replace T8/T5 traditional mercury fluorescent tubes. The energy-saving LED street lamp replaces the traditional energy-consuming light source used for lightening the civil/commercial/urban landscape such as the LED street lamp of the traditional high-pressure sodium lamp, is more energy-saving and more environment-friendly, and becomes a new generation of mainstream lighting product at present.

Conventional commercial and commercial lighting source technology has gone through three generations, from the first commercial and commercial lighting source products incandescent lamps to the latter fluorescent lamps, energy saving lamps, high intensity discharge lamps HID, through to the present day LED lighting. As a civil and commercial lighting source, the matched lamp plate is continuously and synchronously innovated and developed along with the technical revolution of the light source, and the matched traditional lamp forms a larger market reserve. In terms of lamp modeling, various light sources in the compact energy-saving lamp age have been widely used as the main force of civil and commercial illumination parts. With the increasing maturity of the packaging technology, LED light emitting modules are beginning to enter a large number of application stages.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a LED bulb to the flexible light bar of LED of more energy-conserving more efficient replaces the luminous lamp of high-intensity gas discharge of HID lamp.

To achieve the above and other related objects, the present invention provides a LED bulb, including: the core column comprises at least one flexible light bar, each flexible light bar is formed by packaging a plurality of LED light-emitting chips, and all the flexible light bars are connected in series and/or in parallel; the light-transmitting lamp shell is internally provided with the core column; the lamp holder is fixedly connected with the light-transmitting lamp shell, a switch power supply is arranged in the lamp holder, and the flexible lamp strip is connected with the switch power supply.

Preferably, the flexible light bar is formed by packaging the LED light-emitting chip by adopting a flip chip process.

Preferably, the stem further comprises a bracket, and all the flexible light bars are fixed on the bracket.

Preferably, the flexible light bars are circumferentially distributed on the support.

Preferably, the end part of the flexible lamp strip is connected with one end of a connecting spring, and the other end of the connecting spring is connected with the support.

Preferably, the light-transmitting lamp housing is T-shaped or elliptical.

As described above, the utility model relates to a LED bulb has following beneficial effect:

the LED lamp is characterized in that an LED light-emitting chip is packaged to form a flexible lamp bar, a switching power supply is arranged in a lamp holder, the flexible lamp bar can be directly connected with the switching power supply, and compared with a traditional HID lamp, the LED lamp is more energy-saving, the switching power supply is small in size, can be directly packaged in the lamp holder, and is wide in service voltage range of 100-276V, low in total harmonic and free of stroboflash; the LED bulb is convenient to install, and the LED bulb can be directly installed on a lamp holder with the model number of E40 or E27.

Drawings

Fig. 1 shows a structure diagram of an LED bulb according to the present invention.

Fig. 2 shows a structural explosion diagram of the LED bulb of the present invention.

Description of the element reference numerals

1 support

2 lamp holder

3 light-transmitting lamp shell

4-switch power supply

5 connecting spring

6 Flexible lamp strip

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

It should be understood that the structures, ratios, sizes, and the like shown in the drawings attached to the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used for limiting the limit conditions of the present invention, so that the present invention has no technical essence, and any modification of the structures, changes of the ratio relationship, or adjustment of the sizes, should still fall within the scope of the present invention without affecting the function and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle", and the like used in the present specification are for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.

As shown in fig. 1 and 2, the utility model provides a LED bulb, it includes: the stem comprises at least one flexible light bar 6, each flexible light bar 6 is formed by packaging a plurality of LED light-emitting chips, and all the flexible light bars 6 are connected in series and/or in parallel; the light-transmitting lamp shell 3 is arranged in the light-transmitting lamp shell 3; the lamp holder 2 is fixedly connected with the light-transmitting lamp shell 3, a switch power supply 4 is arranged in the lamp holder 2, and the flexible lamp strip 6 is connected with the switch power supply 4.

The utility model relates to a LED bulb, through the luminous mode of high strength gas discharge who replaces the HID lamp with the flexible lamp strip 6 series connection of LED and/or parallel connection, use the little switching power supply 4 encapsulation of power loss in lamp holder 2, more energy-conserving, more high-efficient than traditional HID lamp, the series connection and/or the parallel mode and the quantity of the flexible lamp strip 6 of LED can be formulated according to the power size.

As shown in fig. 2, in the present embodiment, the flexible light bar 6 is formed by encapsulating the LED light emitting chip by using a flip chip process, and as the encapsulation process is increasingly mature, the LED light emitting module enters a large number of application stages, and in the present embodiment, the flexible light bar 6 is a flexible strip encapsulated by using a gold-free wire, which has a characteristic of more energy saving than a conventional HID lamp.

As shown in fig. 2, in this embodiment, the stem further includes a bracket 1, and all the flexible light bars 6 are fixed on the bracket 1. As an embodiment, flexible lamp strip 6 along circumference evenly distributed in on the support 1, the length of lamp strip can be formulated according to the requirement of power size and lamp body, lamp support, and the structure is reliable, simple, elegant appearance.

As shown in fig. 1 and fig. 2, in this embodiment, the end of the flexible light bar 6 is connected to one end of a connection spring 5, the other end of the connection spring 5 is connected to the bracket 1, and the connection spring 5 is arranged to ensure the qualified rate of the product during welding, and on the other hand, when the lamp housing is in normal operation, the connection spring 5 is used to protect the flexible light bar 6 from being easily broken due to the fact that the temperature inside the transparent lamp housing 3 is high and the lamp housing is expanded with heat and contracted with cold.

As shown in fig. 1 and fig. 2, the light-transmitting lamp housing 3 in this embodiment is T-shaped or elliptical, i.e., it can use the external shape and glass envelope material of a conventional HID lamp, which is convenient for manufacturing and using.

As shown in fig. 1 and fig. 2, a specific implementation process of the LED bulb of the present embodiment is as follows: assembling a core column, welding one end of a connecting spring 5 on a flexible light bar 6, welding the other end of the connecting spring 5 on a support 1, circumferentially distributing the flexible light bar 6 and the connecting spring 5 on the support 1, encapsulating the core column in a light-transmitting lamp shell 3, encapsulating a switch power supply 4 in a lamp holder 2, enabling the switch power supply 4 to be electrically connected with the core column, and finally assembling the light-transmitting lamp shell 3 and the lamp holder 2, namely sealing the periphery interface by using cement. The LED bulb of the embodiment can be directly installed on the lamp holder of E40 or E27 in place of an HID lamp, and replacement is convenient.

The LED bulb provided by the embodiment of the invention uses the LED flexible light-emitting lamp strip to replace high-intensity gas discharge light emission of an HID lamp, uses the switching power supply to replace an inductive ballast of the HID lamp, and has the advantages that the power consumed by the inductive ballast is about 10% -20% of the power of a lamp tube, the total harmonic is very large, the LED bulb is not easy to power grid, and stroboflash exists. The lamp strip type LED lamp adopts a switching power supply, the using voltage range is wide and is 100V-276V, the total harmonic is low, stroboflash is avoided, a lamp strip type LED lamp 40W can replace a 50W HID lamp, the energy is saved by about 34%, and the energy-saving and high-efficiency LED lamp is more energy-saving than the traditional HID lamp.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. An LED bulb, comprising:

the core column comprises at least one flexible light bar, each flexible light bar is formed by packaging a plurality of LED light-emitting chips, and all the flexible light bars are connected in series and/or in parallel;

the light-transmitting lamp shell is internally provided with the core column;

the lamp holder is fixedly connected with the light-transmitting lamp shell, a switch power supply is arranged in the lamp holder, and the flexible lamp strip is connected with the switch power supply.

2. The LED bulb of claim 1, wherein: the flexible light bar is formed by packaging the LED light-emitting chip by adopting a flip chip process.

3. The LED bulb of claim 1, wherein: the stem column further comprises a support, and all the flexible light bars are fixed on the support.

4. The LED bulb of claim 3, wherein: the flexible lamp strips are distributed on the support along the circumferential direction.

5. The LED bulb of claim 3, wherein: the end part of the flexible lamp strip is connected with one end of a connecting spring, and the other end of the connecting spring is connected with the support.

6. The LED bulb of claim 1, wherein: the light-transmitting lamp shell is T-shaped or oval.