CN209991322U - LED (light-emitting diode) barrel spotlight - Google Patents

Abstract

The utility model provides a LED barrel-type spot lamp, which comprises a lamp body, the power head, the back lid with install the circuit board in the lamp body, install on the circuit board and be used for luminous a plurality of paster LED chips and a plurality of electronic component, be equipped with in the circuit board and be used for the interconnecting link that links to each other with each paster LED chip and the drive circuit who links to each other with interconnecting link, a plurality of electronic component link to each other with drive circuit, and drive circuit constitutes the drive circuit who is used for driving each paster LED chip with a plurality of electronic component, the power head links to each other with the drive circuit electrical property. The utility model discloses a set up interconnecting link and drive circuit in the circuit board, and install paster LED chip and a plurality of electronic component on the circuit board, make drive circuit and a plurality of electronic component constitute the drive circuit who is used for driving each paster LED chip to the realization is with the integration of drive circuit and LED light source, and the preparation of conveniently processing, the equipment of being convenient for can reduce occupation space simultaneously, so that 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

A Light Emitting Diode (LED for short). 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 that is the tube-shape setting, be used for connecting external power source and lid in the back lid of lamp body rear end, the one end of power source head stretches into in the lamp body, LED barrel-type spot lamp still including install in circuit board in the lamp body, install on the circuit board and be used for luminous a plurality of paster LED chips and a plurality of electronic component, be equipped with in the circuit board be used for with each interconnecting link that paster LED chip links to each other and with the drive circuit that interconnecting link to each other, it is a plurality of electronic component with drive circuit links to each other, just drive circuit and a plurality of electronic component constitutes and is used for driving each the drive circuit of paster LED chip, the power source head with the drive circuit electrical property links to each other.

Further, each of the chip LED chips is mounted at a central position of the circuit board, and each of the electronic components is disposed at a peripheral position of the circuit board.

Further, the distance between each patch LED chip and the nearest electronic element is greater than or equal to 5 mm.

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.

Further, the LED barrel-shaped spotlight further comprises a heat dissipation plate and a heat conduction pad attached to one side, away from the surface mounted LED chip, of the circuit board, 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.

Furthermore, the LED barrel spotlight further comprises an insulating cup for supporting the circuit board, the circuit board is mounted in the insulating cup, the insulating cup is mounted in the lamp body, the heat dissipation plate is located on the surface, away from the circuit board, of the insulating cup, and a through hole for exposing the heat conduction pad is formed in the bottom of the insulating cup.

Furthermore, mounting columns are respectively arranged on two sides of the insulating cup, an avoiding groove for placing the mounting columns is correspondingly formed in the circuit board, the LED barrel spotlight further comprises a screw used for fixing the circuit board on the insulating cup, and the screw is mounted on the mounting columns.

Further, the driving circuit is a linear driving circuit.

Furthermore, a plurality of clamping hooks used for clamping the lens or the edge of the reflecting cup 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 interconnecting link and drive circuit in the circuit board, and install paster LED chip and a plurality of electronic component on the circuit board, make drive circuit and a plurality of electronic component constitute the drive circuit who is used for driving each paster LED chip to the realization is with the integration of drive circuit with the LED light source, the preparation of convenient processing, the equipment of being convenient for can reduce occupation space simultaneously, so that the lamp body preparation is 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 a schematic diagram of an explosion structure of an LED barrel spotlight according to an embodiment of the present invention;

FIG. 5 is an enlarged view of the face ring of FIG. 4;

FIG. 6 is an enlarged view of the rear cover of FIG. 4;

FIG. 7 is a schematic cross-sectional view of the lens and circuit board assembly of FIG. 4;

FIG. 8 is a first schematic view of the lens structure of FIG. 4;

FIG. 9 is a second schematic structural view of the lens of FIG. 4;

fig. 10 is a schematic cross-sectional structure diagram of the lens of fig. 9 during dimming.

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

1-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 circuit board; 211-chip LED chip; 212-electronic components; 213-avoidance groove; 22-a thermally conductive pad; 23-a heat sink; 24-an insulating cup; 241-a through hole; 242-positioning groove; 25-a screw; 26-briquetting;

30-a lens; 31-a light modulator; 32-a receiving groove; 33-side surface; 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", "front", "rear", "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 only for convenience of description and simplicity of description, and do not indicate or imply that the device or element 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.

Referring to fig. 1 to 4, an LED tube spotlight 100 provided by the present invention will now be described. The LED barrel spotlight 100 comprises a lamp body 11, a power head 12, a rear cover 13 and a circuit board 21; the lamp body 11 has a cylindrical structure. One end of the power source head 12 extends into the lamp body 11, and the power source head 12 is electrically connected to the circuit board 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 circuit board 21 is installed in the lamp body 11, and the circuit board 21 is supported by the lamp body 11 while heat dissipation is performed by the lamp body 11. The circuit board 21 is provided with a connecting circuit and a driving circuit, and the driving circuit is connected with the connecting circuit; the circuit board 21 is provided with a plurality of patch LED chips 211 and a plurality of electronic elements 212 for emitting light, the plurality of patch LED chips 211 form an LED light source, each patch LED chip 211 is connected with a connecting circuit, the plurality of electronic elements 212 are connected with a driving circuit, and the driving circuit and the plurality of electronic elements 212 form a driving circuit for driving each patch LED chip 211 so as to integrate the driving circuit with the LED light source. During manufacturing, the chip LED chips 211 and the electronic components 212 can be directly reflowed and soldered on the circuit board 21, so that the manufacturing is facilitated, the occupied space is reduced, the lamp body 11 can be made smaller, and the cost is reduced. The power source head 12 is electrically connected to the drive circuit to provide power to the drive circuit when in use.

The utility model provides a LED barrel lamp 100, compared with the prior art, the utility model discloses a set up interconnecting link and drive line in circuit board 21, and install paster LED chip 211 and a plurality of electronic component 212 on circuit board 21, make drive line and a plurality of electronic component 212 constitute the drive circuit who is used for driving each paster LED chip 211 to the realization is with the integration of drive circuit with the LED light source, the preparation of conveniently processing, the equipment of being convenient for can reduce occupation space simultaneously, so that make lamp body 11 littleer, reduce cost.

Further, referring to fig. 1 to 4, as a specific embodiment of the LED tube spotlight 100 provided by the present invention, the driving circuit may be a linear driving circuit to ensure stable operation of each patch LED chip 211.

Further, please refer to fig. 1 to 4, as the utility model provides a specific implementation of the LED tube spotlight 100, each paster LED chip 211 is installed in the middle position of the circuit board 21, each electronic component 212 is located the peripheral position of the circuit board 21, so as to concentrate the light, make simultaneously have better area installation electronic component 212 on the circuit board 21, reduce the electromagnetic interference between the electronic component 212, can reduce the influence of paster LED chip 211 to electronic component 212 simultaneously, prolong the service life, and also make things convenient for simultaneously to adjust luminance.

Further, please refer to fig. 1 to 4, as a specific embodiment of the LED tube spotlight 100 provided by the present invention, the distance between each patch LED chip 211 and the nearest electronic component 212 is greater than or equal to 5mm, so as to satisfy the good creepage distance and ensure the good safety.

Further, please refer to fig. 3 to 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 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 facilitate dimming and further facilitate adjusting the light-emitting angle. Of course, in some embodiments, a reflector cup may also be used for dimming.

Further, referring to fig. 8 to 10, as a specific embodiment of the LED tube spotlight 100 provided by the present invention, the lens 30 includes a cup-shaped light-adjusting body 31, the front end surface of the light-adjusting body 31 is a light-emitting surface 34, and the periphery of the front end of the light-adjusting body 31 protrudes outward to form a protruding ring 36, so as to facilitate 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 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 of the accommodating groove 32 is directly emitted from the light emitting surface 34.

Further, referring to fig. 8 to 10, as a specific embodiment of the LED tube spotlight 100 provided by 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. 8 to 10, as an 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, referring to fig. 8 to 10, as a specific embodiment of the LED tube spotlight 100 provided by 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 processing and manufacturing, but also facilitates the reflection of light to the light-emitting surface 34.

Further, referring to fig. 8 to 10, as an embodiment of the LED tube lamp 100 according to the present invention, the bottom surface 321 of the accommodating groove 32 is a spherical surface protruding backward from the middle portion thereof to facilitate light condensation, so that the light emitted from the bottom surface 321 of the accommodating groove 32 can be better condensed, 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. 8 to 10, as a specific embodiment of the LED tube spotlight 100 provided by 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, referring to fig. 8 to 10, as an 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. 8 to 10, as a specific embodiment of the LED tube spotlight 100 of the present invention, the light emitting surface 34 is a curved surface extending forward from inside to outside in the region 342 outside the plurality of diffusion structures 341, and the light emitting angle can be better adjusted by the curved surface.

Further, referring to fig. 8 to 10, as an embodiment of the LED tube spotlight 100 of the present invention, the rear end surface 35 of the light adjuster 31 is planar, and the accommodating groove 32 is located in the middle of the rear end surface 35 to support the light adjuster 31 conveniently.

Further, referring to fig. 8 to 10, as an embodiment of the LED tube spotlight 100 of the present invention, the rear end surface 35 of the light adjuster 31 has positioning grooves 351 disposed on two sides of the accommodating groove 32 for facilitating installation and positioning.

Further, referring to fig. 8 to 10, 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 onto the side surface 33 of the light-adjusting body 31.

Further, referring to fig. 8 to 10, as a specific embodiment of the LED tube spotlight 100 provided by the present invention, a plurality of lines 361 are disposed on the rear side surface 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. 8 to 10, as an embodiment of the LED tube spotlight 100 of the present invention, a reflective layer (not shown) covers the side surface 33 of the light adjuster 31 to improve the light output.

Further, referring to fig. 3, fig. 4 and fig. 7, as a specific embodiment of the LED tube spotlight 100 according to 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, fig. 4 and fig. 7, as a specific embodiment of the LED tube lamp 100 of the present invention, the LED tube lamp 100 further includes a heat dissipation plate 23 and a heat conduction pad 22 attached to the circuit board 21 and deviating from one side of the surface mounted LED chip 211, the heat conduction pad 22 is attached to the heat dissipation plate 23, and the periphery of the heat dissipation plate 23 is fixedly connected to the inner wall of the lamp body 11. The heat dissipation plate 23 and the heat conduction pad 22 are arranged, so that heat emitted by the SMD LED chip 211 can be conducted to the heat dissipation plate 23 through the heat conduction pad 22 more quickly and dissipated. Further, the thermal pad 22 is an insulating pad to improve safety.

Further, referring to fig. 3 and fig. 4, as a specific embodiment of the LED tube lamp 100 provided by the present invention, the LED tube lamp 100 further includes an insulating cup 24 for supporting the circuit board 21, the circuit board 21 is installed in the insulating cup 24, the insulating cup 24 is installed in the lamp body 11, and the heat dissipation plate 23 is located on a surface of the insulating cup 24 away from the circuit board 21. The insulating cup 24 is provided to improve safety in use and to support the lamp body 11 well. The bottom of the insulating cup 24 is formed with a through hole 241 to expose the thermal pad 22, so that the thermal pad 22 is attached to the heat sink 23 through the through hole 241. Further, the bottom of the insulating cup 24 is provided with a positioning groove 242 for positioning the edge of the thermal pad 22 at the periphery of the through hole 241, so as to position the thermal pad 22 conveniently.

Further, please refer to fig. 3, fig. 4 and fig. 7, as a specific embodiment of the LED tube spotlight 100 according to the present invention, the two sides of the insulating cup 24 are respectively provided with a mounting post (not shown), the circuit board 21 is correspondingly provided with an avoiding groove 213 for the mounting post to be placed in, the LED tube spotlight 100 further includes a screw 25 for fixing the circuit board 21 on the bottom plate, and the screw 25 is installed on the mounting post. This structural scheme mounts the fixed circuit board 21.

Further, referring to fig. 3, fig. 4 and fig. 7, as a specific embodiment of the LED tube spotlight 100 of the present invention, a pressing block 26 is sleeved on the screw 25, and the pressing block 26 is pressed against the circuit board 21. The pressing block 26 is disposed to press against the circuit board 21, so that the circuit board 21 can be better mounted and fixed, the circuit board 21 can be protected, and the circuit board 21 can be prevented from being damaged by pressure.

Further, referring to fig. 3, fig. 4 and fig. 6, 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 and fig. 4, 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. 1 to 4, 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. 4 and fig. 6, as a specific embodiment of the LED tube spotlight 100 according to the present invention, a first ring-shaped slot 113 is disposed at the rear end of the lamp body 11, and a plurality of first fasteners 131 are disposed on the rear cover 13 and are engaged with the first ring-shaped slot 113. To facilitate attachment of the lamp body 11 to the rear cover 13 cartridge.

Further, referring to fig. 3 to fig. 5, as a specific embodiment of the LED tube spotlight 100 provided by 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 mounted on the surface ring 14, and then the surface ring 14 is engaged with the lamp body 11, i.e. the lens 30 can be mounted in the lamp body 11.

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 front end of the lamp body 11 is provided with a second annular slot 112, and the surface ring 14 is provided with a plurality of second fasteners 142 that are engaged into 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 install each paster LED chip 211 and each electronic component 212 on circuit board 21, does on circuit board 21 like components and parts such as bridge rectifier, IC, directly crosses reflow soldering, and input line beading is on the base plate, and manual work is convenient. The input line must satisfy double insulation. The scheme can achieve high PF (power factor), low THD (total harmonic distortion, LED (light emitting diode) barrel spotlight 100), meet the requirements of different markets and authentication, and the lamp body 11 can be a metal shell so as to facilitate heat dissipation.

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. LED barrel-type spot lamp, including the lamp body that is the tube-shape setting, be used for connecting external power source's power source head and lid in the back lid of lamp body rear end, the one end of power source head stretches into in the lamp body, its characterized in that: the LED barrel spotlight further comprises a circuit board arranged in the lamp body, a plurality of patch LED chips and a plurality of electronic elements are arranged on the circuit board and used for emitting light, a connecting circuit used for being connected with each patch LED chip and a driving circuit connected with the connecting circuit are arranged in the circuit board, the electronic elements are connected with the driving circuit, the driving circuit and the electronic elements form a driving circuit used for driving each patch LED chip, and the power source head is electrically connected with the driving circuit.
2. 2. The LED barrel spotlight of claim 1, wherein: each paster LED chip is arranged at the middle position of the circuit board, and each electronic element is arranged at the peripheral position of the circuit board.
3. 3. The LED barrel spotlight of claim 2, wherein: the distance between each patch LED chip and the nearest electronic element is greater than or equal to 5 mm.
4. 4. The LED barrel spotlight of claim 2, 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.
5. 5. The LED barrel spotlight of claim 4, 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.
6. 6. The LED barrel spotlight according to any one of claims 1 to 5, wherein: the LED barrel spotlight further comprises a heat dissipation plate and a heat conduction pad attached to one side, away from the surface mounted LED chip, of the circuit board, 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.
7. 7. The LED barrel spotlight of claim 6, wherein: the LED barrel spotlight further comprises an insulating cup supporting the circuit board, the circuit board is mounted in the insulating cup, the insulating cup is mounted in the lamp body, the heat dissipation plate is located on the surface, away from the circuit board, of the insulating cup, and a through hole exposing the heat conduction pad is formed in the bottom of the insulating cup.
8. 8. The LED barrel spotlight of claim 7, wherein: the LED barrel spotlight is characterized in that mounting columns are respectively arranged on two sides of the insulating cup, an avoiding groove for placing the mounting columns is correspondingly formed in the circuit board, the LED barrel spotlight further comprises a screw used for fixing the circuit board on the insulating cup, and the screw is mounted on the mounting columns.
9. 9. The LED barrel spotlight according to any one of claims 1 to 5, wherein: the driving circuit is a linear driving circuit.
10. 10. The LED barrel spotlight of claim 5, wherein: the surface ring is provided with a plurality of clamping hooks for clamping the lens or the edge of the reflecting cup.

Images