CN211526114U

CN211526114U - All-round light-emitting LED lamp

Info

Publication number: CN211526114U
Application number: CN202020162390.3U
Authority: CN
Inventors: 葛铁汉
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-11
Filing date: 2020-02-11
Publication date: 2020-09-18
Anticipated expiration: 2030-02-11

Abstract

The utility model provides an all-round light-emitting LED lamp, includes lamp holder and the printing opacity lamp shade of being connected with the lamp holder, be equipped with the driver in the lamp holder, the bottom and the lamp holder fixed connection of printing opacity lamp shade, its characterized in that: the LED lamp comprises a light-transmitting lampshade and is characterized in that an opening is formed in the light-transmitting lampshade, at least one heat dissipation channel is connected to the edge of the opening, one end of the heat dissipation channel is communicated to the outside through the opening, the heat dissipation channel extends towards the inside of the light-transmitting lampshade, the other end of the heat dissipation channel is communicated with the space inside the light-transmitting lampshade, and an LED lamp filament is arranged on the surface of the space inside the light-transmitting lampshade, located in the heat dissipation channel. The utility model discloses a LED lamp, whole passageway can carry out the convection current heat dissipation to the LED filament to the good illumination of whole LED bulb can be guaranteed in the setting of the heat dissipation passageway of printing opacity material, not only can set up more light-emitting component in the unit space, moreover, can guarantee the LED's of a plurality of different angles the direction of illumination, the illumination is more even and omnidirectional light-emitting.

Description

All-round light-emitting LED lamp

Technical Field

The utility model relates to a LED lamp especially relates to a LED lamp of all-round light-emitting.

Background

In recent years, with the development of LED technology, various performances of LED lighting fixtures for illumination have been greatly improved. The LED lamp has a series of advantages of long service life, high luminous efficiency, no ultraviolet radiation, good energy-saving effect and the like, and becomes a development trend of future light sources.

However, the LED light source has directivity and can emit light 360 degrees unlike an incandescent lamp or the like, and thus, when the LED is used as a light source to replace a conventional incandescent lamp or other light sources, the light emitting effect is limited. Particularly, when the LED is manufactured into a fluorescent lamp with a traditional lamp tube shape, as disclosed in chinese patent CN102022651A, "LED fluorescent lamp" includes a lampshade, an LED light source assembly, an LED driving assembly, two end caps and a heat dissipation housing, the lampshade is connected with the heat dissipation housing, the two end caps are respectively fastened to two ends of the lampshade and the heat dissipation housing after being connected, cross sections of the lampshade and the heat dissipation housing are both arc-shaped, the lampshade and the heat dissipation housing form a cavity, and the LED light source assembly and the LED driving assembly are located in the cavity. In order to meet the heat dissipation requirement of the LED, the LED fluorescent lamp can only be arranged on a plane, so that although the LED fluorescent lamp has the shape of a long straight cylinder of the fluorescent lamp, the light emitting area is only 180 degrees, namely, the light is emitted from the plane, and 360-degree all-around light emission cannot be realized. Therefore, in the existing LED lamp, the heat dissipation area and the light emitting area are contradictory, and therefore, the existing LED fluorescent lamp cannot emit light in all directions at 360 degrees under the condition of meeting the heat dissipation requirement.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a LED lamp that had both had better heat dispersion had been provided, can satisfy all-round luminous again.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides an all-round light-emitting LED lamp, includes lamp holder and the printing opacity lamp shade of being connected with the lamp holder, be equipped with the driver in the lamp holder, the bottom and the lamp holder fixed connection of printing opacity lamp shade, its characterized in that: the LED lamp comprises a light-transmitting lampshade and is characterized in that an opening is formed in the light-transmitting lampshade, at least one heat dissipation channel is connected to the edge of the opening, one end of the heat dissipation channel is communicated to the outside through the opening, the heat dissipation channel extends towards the inside of the light-transmitting lampshade, the other end of the heat dissipation channel is communicated with the space inside the light-transmitting lampshade, and an LED lamp filament is arranged on the surface of the space inside the light-transmitting lampshade, located in the heat dissipation channel.

Preferably, the LED filament is wound on the surface of the heat dissipation channel, or the LED filament is arranged at intervals or in a crossed manner along the surface of the heat dissipation channel.

Preferably, the bottom end of the light-transmitting lampshade is closed, and the bottom end of the light-transmitting lampshade and the other end of the heat dissipation channel are arranged at intervals.

Preferably, the bottom end of the light-transmitting lampshade is opened, and the bottom end of the light-transmitting lampshade is inserted into the lamp holder to be connected with the lamp holder.

Preferably, in order to facilitate connection, a bayonet is disposed on a circumferential surface of a bottom end of the light-transmitting lampshade, the partition is located at the bottom end of the light-transmitting lampshade, and a fixture block matched with the bayonet is disposed on the circumferential surface of the partition, and the fixture block is clamped in the bayonet to enable the partition to close the bottom end of the light-transmitting lampshade.

Preferably, the bottom end of the light-transmitting lampshade is connected with a connecting piece and is connected to the lamp cap through the connecting piece, and the peripheral surface of the connecting piece is provided with vent holes communicated with the outside.

Preferably, the peripheral surface of the bottom of the light-transmitting lampshade is provided with a vent hole communicated with the outside.

Preferably, a radiator is fixedly arranged on one side of the heat dissipation channel communicated with the outside.

Preferably, the LED filament includes a substrate and an LED light-emitting element fixed on the substrate, two ends of the substrate are provided with leads, the LED light-emitting element is connected to the leads through a preset circuit or other electrical connection lines on the substrate, and the leads are connected to the driver.

Preferably, the opening is arranged at the top of the center of the light-transmitting lampshade, the heat dissipation channel extends up and down along the axial direction of the light-transmitting lampshade, and the light-transmitting lampshade and the heat dissipation channel are integrally formed by the same material.

Compared with the prior art, the utility model has the advantages of this LED lamp, be equipped with the heat dissipation channel with external intercommunication in the printing opacity lamp shade, and the winding of LED filament is located heat dissipation channel, be located printing opacity lamp shade's inboard, whole passageway can carry out the convection current heat dissipation to the LED filament, and the setting of the heat dissipation channel of printing opacity material, can guarantee the good illumination of whole LED bulb, and the winding setting of LED filament, not only can set up more light-emitting component in the unit space, moreover, can guarantee the direction of illumination of the LED of a plurality of different angles, the illumination is more even and omnidirectional light-emitting.

Drawings

Fig. 1 is a schematic perspective view of an LED lamp according to a first embodiment of the present invention.

Fig. 2 is an exploded view of an LED lamp according to a first embodiment of the present invention.

Fig. 3 is a sectional view of an LED lamp according to a first embodiment of the present invention.

Fig. 4 is an exploded view of a second embodiment of the LED lamp according to the present invention.

Fig. 5 is a schematic perspective view of an LED lamp according to a third embodiment of the present invention.

Fig. 6 is a cross-sectional view of an LED lamp according to a fourth embodiment of the present invention.

Detailed Description

The invention is described in further detail below with reference to the embodiments of the drawing, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1-3, the LED lamp of the first embodiment of the present invention includes a lamp cap 1 and a light-transmitting lampshade 2 connected to the lamp cap 1, wherein a driver 11 is disposed in the lamp cap 1, and the driver 11 is connected to an external power supply through the lamp cap 1.

In this embodiment, the bottom end of the translucent lampshade 2 is open, and the bottom end is directly inserted into the lamp cap 1 to be connected with the lamp cap 1. The top of the light-transmitting lampshade 2 is provided with an opening 21, the edge of the opening 21 is connected with a heat dissipation channel 3, one end of the heat dissipation channel 3 is communicated to the outside through the opening 21, the heat dissipation channel 3 extends towards the inside of the light-transmitting lampshade 2, and the other end of the heat dissipation channel 3 is opened and communicated with the space in the light-transmitting lampshade 2.

Preferably, the opening 21 is provided at the top of the center of the light-transmitting lamp housing 2, and the heat dissipation channel 3 extends up and down along the axial direction of the light-transmitting lamp housing 2. The heat dissipation channel 3 with the light lampshade 2 is made for same material, and integrated into one piece when can being made by the light lampshade 2, also can be made separately and accomplished the back and light lampshade 2 fixed connection or fuse and form.

The LED lamp filament 4 is spirally wound on the inner side of the light-transmitting lampshade 2, the heat dissipation channel 3 is positioned on the inner side surface of the light-transmitting lampshade 2, and the LED lamp filament 4 is a flexible lamp filament and is wound on the surface of the heat dissipation channel 3 to form a spiral winding shape; or the spiral LED filament is fixed on the surface of the heat dissipation channel 3. LED filament 4 is located light lampshade 2 to along the winding setting of heat dissipation channel 3, and then LED filament 4 distributes about the rotation of heat dissipation channel 3 in light lampshade 2, consequently, can realize the illumination of all-round angle.

And those skilled in the art can also understand that the LED filaments may be multiple LED filaments, which are respectively spirally wound on the inner surface of the heat dissipation channel at intervals, or multiple LED filaments, which are arranged at intervals along the surface of the heat dissipation channel, or are arranged in a matrix shape in a crossing manner.

The LED filament 4 includes a substrate and an LED light emitting element disposed on the substrate, the substrate may be transparent material such as glass, ceramic, plastic, etc., or opaque material such as metal, and a phosphor layer, a protective layer, a light diffusion layer, a reflective layer, etc., is coated on the surface of the LED light emitting element disposed on the substrate.

The LED light emitting element may be an LED chip, a surface mount light emitting diode (SMD LED), or an LED light emitting element directly formed on a substrate through processes such as die bonding, wire bonding, powder coating, or the like, and may have various forms.

Lead wires 43 are connected to both ends of the substrate, and are connected to the driver 11 through the lead wires 43. The substrate is pre-provided with electrical connection lines for electrically connecting the leads 43 and the LED light-emitting elements, thereby supplying power to the LED light-emitting elements. The wires may be connected to the LED light emitting elements and the leads 43, and then fixed to the substrate and packaged. As shown in fig. 3, the lead wire 43 has two wires, one of which is connected to one end of the substrate at the bottom of the light-transmitting lamp housing 2, and the other of which extends to the top of the heat dissipation channel 3 and is connected to one end of the substrate at the top of the heat dissipation channel 3. The bottom end of the lead wire 43 is inserted into the lamp cap 1 through the translucent cover 2 and connected to the driver 11 in the lamp cap 1.

In this embodiment, a heat sink 5 is fixedly disposed on a surface of the heat dissipation channel 3 communicating with the outside, that is, an inner side of the heat dissipation channel 3. The air in the light-transmitting lampshade 2 is communicated with the outside through the heat dissipation channel 3, and in the heat dissipation channel 3, the heat is dissipated through the heat dissipater 5, the LED lamp filament 4 is dissipated through air convection, and meanwhile the heat dissipater 5 is combined, so that the heat dissipation effect is better. The heat sink may be provided in plurality at intervals or continuously on the surface of the heat dissipation channel 3; or the whole radiator can be integrally formed, and the radiator is a hollow cylindrical radiator matched with the radiating channel 3, and the surface of the radiator 5 is provided with a plurality of radiating fins, or the surface of each radiating fin is a regular or irregular concave-convex surface so as to increase the radiating area. The heat sink 5 and the heat dissipation passage still have a passage therebetween communicating with the outside.

Preferably, a bayonet 22 is disposed on the peripheral surface of the bottom end of the light-transmitting lampshade 2, correspondingly, a partition 23 is disposed at the bottom end of the light-transmitting lampshade 2, and a fixture block 231 matched with the bayonet 22 is disposed on the peripheral surface of the partition 23, the fixture block 231 is clamped in the bayonet 22 to close the light-transmitting lampshade 2, the bottom end of the light-transmitting lampshade 2 is inserted into the lamp holder 1, and the driver 11 is located below the partition 23 to isolate the driver 11 from the light-transmitting lampshade 2 above. When a plurality of groups of LED filaments 4 are arranged in the bulb, a plurality of groups of positive and negative outgoing lines are arranged, and at the moment, a circuit is arranged on the partition plate and is used for arranging and merging the plurality of groups of outgoing lines with the same polarity according to the driving requirement, and then the outgoing lines are led out to the driver.

As shown in fig. 4, for the second embodiment of the present invention, this embodiment is compared with the first embodiment, and the other places are the same, and the difference is that the bottom end of the transparent lampshade 2 is closed, i.e. the end of the transparent lampshade 2 inserted into the lamp holder 1 is closed, and the interval between the end of the heat dissipation channel 3 located in the transparent lampshade 2 and the end of the transparent lampshade 2 inserted into the lamp holder 1 is set, therefore, this transparent lampshade 2 is still an open channel. Such structure, the processing of being convenient for to still can guarantee the isolation of lamp shade and driver, also can guarantee the heat dissipation of LED filament.

As shown in fig. 5, for the third embodiment of the present invention, this embodiment is compared with the second embodiment, and the other places are also the same, and the difference is that the bottom of the transparent lampshade 2 is connected with the connecting piece 6, and is connected to the lamp holder 1 through the connecting piece 6, and the interval is equipped with the vent 25 on the connecting piece 6 global, and this vent 25 communicates the external space with the inside of the transparent lampshade 2 for the circulation of air, makes the LED filament dispel the heat better. The bottom end of the connecting piece 6 can be closed to separate the light-transmitting lampshade 2 from the lamp holder 1, or can be open.

As shown in fig. 6, a fourth embodiment of the present invention is the same as the third embodiment except that the bottom of the lampshade 2 has no connecting member, and the bottom of the lampshade 2 has air holes 25 at intervals. The ventilation holes 25 function and are located in the same manner as the ventilation holes in the connecting member 6 in the third embodiment, and are used for ventilation of air.

And it will be appreciated by those skilled in the art that the globe may be connected to the lamp base by an additional connector, whether closed at the bottom end or not, through which the lead wires are connected to the driver inside the lamp base 1. The connecting piece can be closed at the bottom end and used for isolating the light-transmitting lampshade from the driver, and can also be open at the bottom end. Furthermore, as will be understood by those skilled in the art, the winding manner of the LED filament may be various, such as multiple parallel windings, or cross windings, or braided windings. More LED light-emitting elements can be arranged in a unit space, and the illumination brightness is further improved. Or other types of LED lighting elements, such as linear, zigzag, and matrix arrangements, which in any case allow the LED lighting elements to dissipate heat to the atmosphere in the shortest possible way.

The utility model discloses a LED lamp, be equipped with the heat dissipation channel with external intercommunication in the light lampshade, heat dissipation channel one end communicates to external one end and communicates to the space in the light lampshade, and the winding of LED filament is located heat dissipation channel, be located light lampshade's inboard, whole passageway can carry out the convection current heat dissipation to the LED filament, and the setting of the heat dissipation channel of printing opacity material, can guarantee the good illumination of whole LED bulb, and the winding setting of LED filament, not only can set up more light-emitting component in the unit space, moreover, can guarantee the direction of illumination of the LED of a plurality of different angles, the illumination is more even and omnidirectional light-emitting.

Although the preferred embodiments of the present invention have been described in detail hereinabove, it should be clearly understood that modifications and variations of the present invention are possible to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an all-round light-emitting LED lamp, includes lamp holder (1) and light lampshade (2) be connected with lamp holder (1), be equipped with driver (11) in lamp holder (1), the bottom and lamp holder (1) fixed connection of light lampshade (2), its characterized in that: be equipped with opening (21) on light lampshade (2), the border connection of opening (21) is equipped with at least one heat dissipation channel (3), the one end of heat dissipation channel (3) communicates to the external world through opening (21), heat dissipation channel (3) towards the inside of light lampshade (2) extends to the other end and the inside space intercommunication of light lampshade (2) of this heat dissipation channel (3), heat dissipation channel (3) are located the space of light lampshade (2) inside is equipped with LED filament (4) on the surface.

2. The all-direction light-emitting LED lamp of claim 1, wherein: the LED lamp filaments (4) are wound on the surface of the heat dissipation channel, or the LED lamp filaments are arranged at intervals or in a crossed manner along the surface of the heat dissipation channel.

3. The all-direction light-emitting LED lamp of claim 1, wherein: the bottom end of the light-transmitting lampshade (2) is closed, and the bottom end of the light-transmitting lampshade (2) and the other end of the heat dissipation channel (3) are arranged at intervals.

4. The all-direction light-emitting LED lamp of claim 1, wherein: the bottom end of the light-transmitting lampshade (2) is opened, and the bottom end of the light-transmitting lampshade (2) is inserted into the lamp holder (1) and connected with the lamp holder (1).

5. The all-direction light-emitting LED lamp of claim 4, wherein: be equipped with bayonet socket (22) on the bottom global of light lampshade (2), baffle (23) are located the bottom of light lampshade (2) to be equipped with on its global with this bayonet socket (22) assorted fixture block (231), fixture block (231) block in bayonet socket (22) make baffle (23) seal the bottom of this light lampshade (2).

6. The all-direction light-emitting LED lamp of claim 4, wherein: the bottom end of the light-transmitting lampshade (2) is connected with a connecting piece (6) and is connected to the lamp holder (1) through the connecting piece (6), and vent holes are formed in the circumferential surface of the connecting piece (6) and are communicated with the outside.

7. The all-direction light-emitting LED lamp of claim 3, wherein: the peripheral surface of the bottom of the light-transmitting lampshade (2) is provided with vent holes communicated with the outside.

8. The all-direction light-emitting LED lamp according to any one of claims 1 to 7, wherein: and a radiator (5) is fixedly arranged on one side of the heat dissipation channel (3) communicated with the outside.

9. The all-direction light-emitting LED lamp according to any one of claims 1 to 7, wherein: the LED lamp filament (4) comprises a substrate and an LED light-emitting element fixedly arranged on the substrate, leads are arranged at two ends of the substrate, the LED light-emitting element is connected to the leads through a preset circuit or an electric connection wire on the substrate, and the leads are connected to a driver (11).

10. The all-direction light-emitting LED lamp of claim 1, wherein: opening (21) are located the central top of printing opacity lamp shade (2), heat dissipation channel (3) extend the setting from top to bottom along the axial of printing opacity lamp shade (2), and printing opacity lamp shade (2) with heat dissipation channel (3) are same material integrated into one piece.