CN209926098U - LED (light-emitting diode) barrel spotlight - Google Patents

Abstract

The utility model provides a LED barrel-type spot lamp, including lamp body, power source head, back lid and the power drive plate that is used for luminous COB light source and drive COB light source work, the power drive plate is installed in the lamp body, and the COB light source includes the base plate and installs the COB chip on the base plate, is equipped with a plurality of first pads on the base plate, and the position that corresponds to each first pad on the drive plate is equipped with the second pad, and the base plate crest welds on the drive plate, and the one end of power source head stretches into in the lamp body and links to each other with the drive plate electrical property. The utility model discloses a set up drive plate and COB light source, set up first pad on the base plate of COB light source, correspond on the drive plate and set up the second pad to when the preparation, can weld electronic component and COB light source crest together on the drive plate, the convenience is done in processing, and is small, the equipment of being convenient for, and occupation space is little, can make the lamp body littleer, reduce cost.

Description

LED (light-emitting diode) barrel spotlight

Technical Field

The utility model belongs to the LED lamp field, more specifically say, relate to a LED section of thick bamboo shot-light.

Background

In the current market, the barrel spotlight generally uses a power driver to step down the voltage to drive the LED light source. At present for convenient installation and use, generally, the power supply driver is arranged inside the machine shell, but the structure not only occupies a larger space in the machine shell, and causes the lamp to have overlarge volume and inconvenient assembly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a LED section of thick bamboo shot-light to solve the LED section of thick bamboo shot-light that exists among the prior art bulky, the inconvenient problem of equipment.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a LED barrel-type spot lamp, including the lamp body, be used for connecting external power source's power source head and lid in the back lid of lamp body rear end, the lamp body is the tubular structure, LED barrel-type spot lamp is still including being used for luminous COB light source and drive the power drive plate of COB light source work, the power drive plate install in the lamp body, the COB light source include the base plate and install in COB chip on the base plate, be equipped with a plurality of first pads on the base plate, corresponding to each on the drive plate the position of first pad is equipped with the second pad, the base plate crest weld in on the drive plate, the one end of power source head stretch into in the lamp body and with the drive plate electrical property links to each other.

Further, the base plate is arranged on the back face of the driving plate, and an opening exposed out of the COB chip is formed in the driving plate.

Further, the COB support is installed on the front of drive plate, correspond to on the COB support the through-hole has been seted up to the position of trompil.

Furthermore, the LED barrel spotlight further comprises a heat dissipation plate and a heat conduction pad attached to the back face of the substrate, the heat conduction pad is attached to the heat dissipation plate, and the periphery of the heat dissipation plate is fixedly connected with the inner wall of the lamp body.

Further, the LED barrel spotlight further comprises an insulating cup supporting the driving plate, the driving plate is installed in the insulating cup, the insulating cup is installed in the lamp body, the heat dissipation plate is located on the surface, deviating from the driving plate, of the insulating cup, and an opening exposing the COB light source is formed in the bottom of the insulating cup.

Furthermore, the rear end of the lamp body is provided with a first annular clamping groove, and the rear cover is provided with a plurality of first buckles which are clamped into the first annular clamping groove in a matching mode.

Furthermore, the LED barrel spotlight further comprises a lens or a reflecting cup for dimming, and the lens or the reflecting cup is arranged at the front end of the lamp body.

Furthermore, the LED barrel spotlight further comprises a face ring supporting the lens or the reflecting cup, and the face ring is installed at the front end of the lamp body.

Furthermore, a plurality of clamping hooks used for clamping the lens or the edge of the reflecting cup are arranged on the surface ring.

Furthermore, a second annular clamping groove is formed in the front end of the lamp body, and a plurality of second buckles which are clamped into the second annular clamping groove in a matched mode are arranged on the surface ring.

The utility model provides a LED section of thick bamboo shot-light's beneficial effect lies in: compared with the prior art, the utility model discloses a set up drive plate and COB light source, set up first pad on the base plate of COB light source, correspond on the drive plate and set up the second pad to when the preparation, can be with electronic component and COB light source crest welding together on the drive plate, the processing is done conveniently, and is small, the equipment of being convenient for, and occupation space is little, can make the lamp body littleer, reduce cost.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an LED tube spotlight according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram ii of an LED tube spotlight provided in an embodiment of the present invention;

fig. 3 is a schematic view of an explosion structure of an LED barrel spotlight according to an embodiment of the present invention;

FIG. 4 is an enlarged view of the COB light source of FIG. 3;

fig. 5 is a schematic diagram of an explosion structure of an LED barrel spotlight according to an embodiment of the present invention;

FIG. 6 is an enlarged view of the drive plate of FIG. 5;

FIG. 7 is an enlarged view of the face ring of FIG. 5;

FIG. 8 is an enlarged view of the rear cover of FIG. 5;

FIG. 9 is a schematic cross-sectional view of the lens of FIG. 5 in combination with a drive plate;

FIG. 10 is a first schematic view of the lens structure of FIG. 5;

FIG. 11 is a second schematic structural view of the lens of FIG. 5;

fig. 12 is a schematic cross-sectional structure diagram of the lens of fig. 11 during dimming.

Wherein, in the drawings, the reference numerals are mainly as follows:

100-LED barrel spotlight; 11-a lamp body; a 111-notch; 112-a second ring slot; 113-a first ring slot; 12-a power supply head; 13-rear cover; 131-a first buckle; 132-heat dissipation holes; 14-face ring; 141-hook; 142-a second clasp;

21-a drive plate; 211-an electronic component; 212-opening a hole; 213-second pad; 22-COB light source; 221-COB chip; 222-a substrate; 223-a first pad; 23-COB racks; 231-a through hole; 24-an insulating cup; 241-opening; 25-a heat sink; 26-a thermally conductive pad;

30-a lens; 31-a light modulator; 32-a receiving groove; 331-a light reflecting structure; 332-radial line; 333-weft; 34-a light-emitting surface; 341-diffusion structure; 351-a positioning groove; 36-a convex ring; 361-grain.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, 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. The meaning of "a number" is one or more unless specifically limited otherwise.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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.

The utility model discloses a translation that the professional term english is abbreviated as follows:

COB Light source (Chip On Board Light);

a Light Emitting Diode (LED for short).

In the utility model, the light-emitting end of the LED tube spotlight is the front end or the front side; the other end is the back end or the back surface.

Referring to fig. 1 to 6, an LED tube spotlight 100 according to the present invention will now be described. The LED spotlight 100 comprises a lamp body 11, a power head 12, a rear cover 13, a driving plate 21 and a COB light source 22; the lamp body 11 has a cylindrical structure. One end of the power source head 12 is inserted into the lamp body 11, and the power source head 12 is electrically connected to the driving plate 21, and the power source head 12 is used for connecting an external power source. The rear cover 13 covers the rear end of the lamp body 11 to protect the devices in the lamp body 11. The driving plate 21 is installed in the lamp body 11, and the driving plate 21 is supported by the lamp body 11 while heat is radiated from the lamp body 11. The COB light source 22 comprises a substrate 222 and a COB chip 221 mounted on the substrate 222, wherein the substrate 222 is provided with a plurality of first bonding pads 223, the driving board 21 is provided with second bonding pads 213 corresponding to the first bonding pads 223 on the substrate 222, and the substrate 222 is soldered on the driving board 21 by wave soldering, so that the driving board 21 controls the COB light source 22 to emit light, and the COB light source 22 is integrated on the driving board 21, thereby reducing the volume and facilitating the assembly; in addition, during manufacturing, the electronic elements on the driving board 21 and the COB light source 22 can be wave-welded to the driving board 21, so that the manufacturing is convenient, and the cost is reduced. One end of the power source head 12 extends into the lamp body 11, and the power source head 12 is electrically connected with the driving plate 21 so as to supply power to the driving plate 21 in use.

The utility model provides a LED barrel spotlight 100, compared with the prior art, the utility model discloses a set up drive plate 21 and COB light source 22, set up first pad 223 on COB light source 22's base plate 222, correspond on drive plate 21 and set up second pad 213 to when the preparation, can weld electronic component 211 on the drive plate 21 and COB light source 22 crest together on drive plate 21, the convenience is done in processing, and is small, the equipment of being convenient for, and occupation space is little, can make lamp body 11 littleer, reduce cost.

Further, referring to fig. 3 to fig. 5, as a specific embodiment of the LED tube lamp 100 provided by the present invention, the driving circuit in the driving board 21 may be a linear driving circuit to ensure the stable operation of the COB light source 22. Further, can adopt high-pressure COB chip 221, through the arrangement of the inside chip of adjustment COB, divide into several sections with the lamp pearl, adjust chip quantity according to the commercial power, combine linear drive again, segmentation constant current output control, control is convenient.

Further, referring to fig. 3 to 6 and 9, as a specific embodiment of the LED tube spotlight 100 of the present invention, the substrate 222 is disposed on the back surface of the driving plate 21, and the driving plate 21 is provided with an opening 212 exposing the COB chip 221. The substrate 222 is arranged on the back surface of the driving board 21, so that when the COB light source 22 works, the contact area between the substrate 222 and the driving board 21 is reduced, more heat on the substrate 222 is dissipated from the back surface of the substrate 222, and the influence on the driving board 21 is reduced; meanwhile, the COB chip 221 may be inserted into the opening 212 of the driving plate 21, and the COB chip 221 may be protected by the driving plate 21.

Further, please refer to fig. 3 to 6 and fig. 9, as a specific embodiment of the LED tube spotlight 100 according to the present invention, a COB bracket 23 is installed on the front surface of the driving board 21, and a through hole 231 is opened on the COB bracket 23 corresponding to the position of the opening 212. Set up COB support 23 on drive plate 21, can play protection COB chip 221, prevent when the installation, crushing COB chip 221.

Further, please refer to fig. 3, fig. 5, fig. 9 to fig. 12, as a specific implementation manner of the LED tube spotlight 100 provided by the present invention, the LED tube spotlight 100 further includes a lens 30 for dimming, the lens 30 is installed at the front end of the lamp body 11, and the lens 30 is disposed to adjust the light conveniently, so as to adjust the light emitting angle conveniently. Of course, in some embodiments, a reflector cup may also be used for dimming.

Further, please refer to fig. 5 and fig. 9 to fig. 12, as a specific embodiment of the LED tube spotlight 100 according to the present invention, the lens 30 includes a cup-shaped light-adjusting body 31, a front end surface of the light-adjusting body 31 is a light-emitting surface 34, and a protruding ring 36 protruding outward from a periphery of a front end of the light-adjusting body 31 for facilitating installation and fixation; the rear end of the light adjuster 31 is provided with an accommodating groove 32 for the light source to be arranged in, so that the light source is arranged in the accommodating groove 32, more light emitted by the light source can enter the light adjuster 31, and the light adjuster 31 adjusts the light, thereby improving the light utilization rate. The side surface 33 of the light modulator 31 is provided with a plurality of light reflecting structures 331 for reflecting light emitted from the side wall 322 of the accommodating groove 32 to the side surface 33 toward the light emitting surface 34. The light reflecting structure 331 is disposed on the side surface 33 of the light modulator 31, so as to better reflect light from the light emitting surface 34, adjust the light emitting angle, reduce light leakage, and improve the light mixing effect. The light entering from the side wall 322 of the accommodating groove 32 can irradiate the side surface 33 of the light adjuster 31 and be reflected by the side surface 33 of the light adjuster 31, and the light entering from the bottom 321 of the accommodating groove 32 is directly emitted from the light emitting surface 34.

Further, referring to fig. 5, fig. 9 to fig. 12, as a specific embodiment of the LED tube spotlight 100 of the present invention, the plurality of light reflecting structures 331 are in a grid shape, that is, the light reflecting structures 331 are combined to form a grid shape; each light reflecting structure 331 is planar to improve the light utilization rate and facilitate the manufacturing.

Further, referring to fig. 5 and fig. 9 to fig. 12, as a specific embodiment of the LED tube spotlight 100 according to the present invention, a plurality of radial lines 332 extending along the axial direction of the light adjuster 31 and a plurality of weft lines 333 surrounding the axial direction of the light adjuster 31 are disposed on the side surface 33 of the light adjuster 31, and a light reflecting structure 331 is formed between two adjacent radial lines 332 and two adjacent weft lines 333. So as to facilitate the manufacturing, and at the same time, the light reflecting structures 331 are the same at the same axial position of the light adjuster 31. Preferably, the radial lines 332 are annularly arrayed on the side surface 33 of the light modulator 31, and the distance between two adjacent radial lines 332 is equal, so that the light reflection is more uniform.

Further, please refer to fig. 5 and 9 to 12, as a specific embodiment of the LED tube spotlight 100 of the present invention, the edge of the cross section of the light-adjusting body 31 is arc-shaped, and the diameter of the side surface 33 of the light-adjusting body 31 is gradually enlarged from the rear end to the front end of the light-adjusting body 31, which not only facilitates the processing and manufacturing, but also facilitates the reflection of the light to the light-emitting surface 34.

Further, please refer to fig. 5 and 9 to 12, as a specific embodiment of the LED tube lamp 100 according to the present invention, the bottom 321 of the accommodating groove 32 is a spherical surface protruding from the middle to focus light, so that the light emitted from the bottom 321 of the accommodating groove 32 can be better focused, and the light can be better emitted from the light emitting surface 34 corresponding to the position of the accommodating groove 32.

Further, referring to fig. 5 and 9 to 12, as a specific embodiment of the LED tube spotlight 100 of the present invention, a plurality of diffusion structures 341 for uniformly diffusing light are disposed on the light emitting surface 34 opposite to the accommodating groove 32, and the diffusion structures 341 are disposed to make the emitted light more uniformly mixed.

Further, please refer to fig. 5, 9 to 12, as a specific embodiment of the LED tube spotlight 100 of the present invention, each diffusion structure 341 is a spherical surface with a convex middle portion, so as to better diffuse light and make the light emitted more uniform.

Further, referring to fig. 5 and fig. 9 to fig. 12, as a specific embodiment of the LED tube spotlight 100 of the present invention, the light emitting surface 34 is curved and extends forward from inside to outside in the region 342 outside the plurality of diffusion structures 341, which can better adjust the light emitting angle.

Further, please refer to fig. 5 and 9 to 12, as a specific embodiment of the LED tube spotlight 100 of the present invention, the rear end face 35 of the light adjuster 31 is planar, and the accommodating groove 32 is located in the middle of the rear end face 35 to support the light adjuster 31 conveniently.

Further, referring to fig. 5 and 9 to 12, as a specific embodiment of the LED tube spotlight 100 of the present invention, the rear end surface 35 of the light adjuster 31 is provided with positioning grooves 351 on two sides of the accommodating groove 32 for facilitating installation and positioning.

Further, referring to fig. 5 and fig. 9 to fig. 12, as an embodiment of the LED tube lamp 100 according to the present invention, the diameter of the accommodating groove 32 gradually increases from the front end to the rear end of the light-adjusting body 31, so that the light emitted from the sidewall 322 of the accommodating groove 32 can better irradiate on the side surface of the light-adjusting body 31.

Further, please refer to fig. 5, 9 to 12, as a specific embodiment of the LED tube spotlight 100 of the present invention, a plurality of lines 361 are disposed on the rear side of the protruding ring 36 for easy installation and fixation, and at the same time, a good light reflection effect can be achieved.

Further, referring to fig. 5 and fig. 9 to fig. 12, as an embodiment of the LED tube lamp 100 of the present invention, a reflective layer (not shown) covers a side surface of the light adjuster 31 to improve the light output.

Further, referring to fig. 3, fig. 5 and fig. 7, as a specific embodiment of the LED tube spotlight 100 provided by the present invention, the LED tube spotlight 100 further includes a surface ring 14 supporting the lens 30, and the surface ring 14 is installed at the front end of the lamp body 11. The face ring 14 is provided to facilitate mounting of the fixed lens 30. In some embodiments, if a reflective cup is used, the reflective cup is supported on the face ring 14.

Further, please refer to fig. 3 to fig. 5, as a specific embodiment of the LED tube lamp 100 provided by the present invention, the LED tube lamp 100 further includes a heat dissipation plate 25 and a heat conduction pad 26 attached to the back of the driving plate 21, the heat conduction pad 26 is attached to the heat dissipation plate 25, and the periphery of the heat dissipation plate 25 is fixedly connected to the inner wall of the lamp body 11. The heat dissipation plate 25 and the heat conduction pad 26 are arranged, so that heat emitted by the COB chip 221 can be conducted to the heat dissipation plate 25 through the heat conduction pad 26 to be dissipated more quickly. Further, the thermal pad 26 is an insulating pad to improve safety.

Further, referring to fig. 3 to fig. 5, as a specific embodiment of the LED tube spotlight 100 provided by the present invention, the LED tube spotlight 100 further includes an insulating cup 24 for supporting the driving plate 21, the driving plate 21 is installed in the insulating cup 24, the insulating cup 24 is installed in the lamp body 11, and the heat dissipation plate 25 is located on a surface of the insulating cup 24 away from the driving plate 21. The insulating cup 24 is provided to improve safety in use and to support the lamp body 11 well. An opening 241 is formed at the bottom of the insulating cup 24 to expose the COB light source 22, so that the heat conducting pad 26 is attached to the heat dissipating plate 25 through the opening 241.

Further, please refer to fig. 3, fig. 5 and fig. 8, as a specific embodiment of the LED tube spotlight 100 of the present invention, a plurality of heat dissipation holes 132 are disposed on the rear cover 13 for facilitating heat dissipation.

Further, referring to fig. 3 to 5, as a specific embodiment of the LED tube spotlight 100 provided by the present invention, a side of the lamp body 11 is provided with a notch 111 extending from the end of the power source head 12, so as to facilitate the insertion of the power source head 12.

Further, please refer to fig. 3 to fig. 5, as a specific embodiment of the LED tube spotlight 100 provided by the present invention, the lamp body 11 is a metal shell, so as to facilitate heat dissipation and improve heat dissipation efficiency.

Further, please refer to fig. 3, fig. 5 and fig. 8, as a specific implementation manner of the LED tube spotlight 100 according to the present invention, the rear end of the lamp body 11 is provided with a first ring-shaped slot 113, and the rear cover 13 is provided with a plurality of first fasteners 131 that are engaged with the first ring-shaped slot 113. To facilitate attachment of the lamp body 11 to the rear cover 13 cartridge.

Further, please refer to fig. 3, fig. 5 and fig. 7, as a specific embodiment of the LED tube spotlight 100 according to the present invention, the surface ring 14 is provided with a plurality of hooks 141 for engaging with the lens 30 or the edge of the reflective cup, so that when assembling, the lens 30 can be installed on the surface ring 14, and the surface ring 14 is engaged with the lamp body 11, so as to install the lens 30 in the lamp body 11.

Further, please refer to fig. 3, fig. 5 and fig. 7, as a specific embodiment of the LED tube spotlight 100 according to the present invention, a second annular slot 112 is disposed at the front end of the lamp body 11, and a plurality of second fasteners 142 are disposed on the surface ring 14 and are engaged with the second annular slot 112, so that the surface ring 14 and the lamp body 11 can be fixedly connected by a snap-fit connection.

The utility model discloses a LED section of thick bamboo shot-light 100 can directly cross reflow soldering with each electronic component 211 and install on drive plate 21, with COB light source 22 crest welding on drive plate 21, manual work is convenient. The input line must satisfy double insulation. According to the scheme, high PF (power factor) and low THD (total harmonic distortion, LED (light emitting diode) barrel spotlight 100 can be achieved, the requirements of different markets and authentication are met, the lamp body 11 can be a metal shell, heat dissipation is facilitated, and high power and high luminous flux can be achieved.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The LED barrel spotlight comprises a lamp body, a power source head and a cover, wherein the power source head is used for being connected with an external power source, the cover is arranged at the rear end of the lamp body, and the lamp body is of a barrel-shaped structure and is characterized in that: LED section of thick bamboo shot-light is still including being used for luminous COB light source and drive the power drive board of COB light source work, power drive board install in the lamp body, the COB light source include the base plate and install in COB chip on the base plate, be equipped with a plurality of first pads on the base plate, corresponding to each on the drive plate the position of first pad is equipped with the second pad, the base plate wave peak weld in on the drive plate, the one end of power source head stretches into in the lamp body and with the drive plate electrical property links to each other.
2. 2. The LED barrel spotlight of claim 1, wherein: the base plate is located the back of drive plate, seted up on the drive plate and exposed the trompil of COB chip.
3. 3. The LED barrel spotlight of claim 2, wherein: COB support is installed in the front of drive plate, correspond to on the COB support the through-hole has been seted up to the position of trompil.
4. 4. The LED barrel spotlight of any one of claims 1-3, wherein: the LED barrel spotlight further comprises a heat dissipation plate and a heat conduction pad attached to the back face of the substrate, the heat conduction pad is attached to the heat dissipation plate, and the periphery of the heat dissipation plate is fixedly connected with the inner wall of the lamp body.
5. 5. The LED barrel spotlight of claim 4, wherein: the LED barrel spotlight further comprises an insulating cup supporting the driving plate, the driving plate is installed in the insulating cup, the insulating cup is installed in the lamp body, the heat dissipation plate is located on the side, away from the driving plate, of the insulating cup, and an opening exposed out of the COB light source is formed in the bottom of the insulating cup.
6. 6. The LED barrel spotlight of any one of claims 1-3, wherein: the rear end of the lamp body is provided with a first annular clamping groove, and the rear cover is provided with a plurality of first buckles which are clamped into the first annular clamping groove in a matching mode.
7. 7. The LED barrel spotlight of any one of claims 1-3, wherein: the LED barrel spotlight further comprises a lens or a reflecting cup for dimming, and the lens or the reflecting cup is arranged at the front end of the lamp body.
8. 8. The LED barrel spotlight of claim 7, wherein: the LED barrel spotlight further comprises a face ring supporting the lens or the reflecting cup, and the face ring is mounted at the front end of the lamp body.
9. 9. The LED barrel spotlight of claim 8, wherein: the surface ring is provided with a plurality of clamping hooks for clamping the lens or the edge of the reflecting cup.
10. 10. The LED barrel spotlight of claim 8, wherein: the front end of the lamp body is provided with a second annular clamping groove, and the surface ring is provided with a plurality of second buckles which are clamped into the second annular clamping groove in a matching mode.

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