CN214536070U

CN214536070U - LED lamp pearl of adjustable luminance

Info

Publication number: CN214536070U
Application number: CN202120857791.5U
Authority: CN
Inventors: 唐勇; 林启程; 曾剑峰; 余海清; 邱国梁; 谭琪琪; 刘辉煌
Original assignee: Yonglin Electronics Co Ltd
Current assignee: Yonglin Electronics Co Ltd
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2021-10-29
Anticipated expiration: 2031-04-23

Abstract

The utility model discloses a LED lamp pearl of adjustable luminance, it includes: the mounting structure comprises a base, a support and a fixing device, wherein the base is provided with a mounting groove, and a mounting column is arranged in the mounting groove; the LED lamp beads are fixedly arranged on the tops of the mounting columns; the inner side wall of the sleeve is provided with a first side groove and a second side groove, the top of the sleeve is provided with a connecting flange, and the sleeve is fixedly installed in the installation groove; the arc-shaped positive plate is fixedly arranged on the first side groove and is electrically connected with the LED lamp beads; the arc-shaped negative plate is fixedly arranged on the second side groove and is electrically connected with the LED lamp beads; the adjusting ring is rotatably mounted at the top of the sleeve and is provided with a matching through groove, the matching through groove is matched with the connecting flange, and the connecting flange limits the rotating angle of the adjusting ring; and other components. The brightness of the LED lamp beads can be conveniently and quickly adjusted.

Description

LED lamp pearl of adjustable luminance

Technical Field

The utility model relates to LED lamp pearl field especially involves a LED lamp pearl of adjustable luminance.

Background

The LED is a semiconductor light-emitting diode and is made of semiconductor materials so as to directly convert electric energy into light energy and convert an electric signal into a light signal; it features low power consumption, high brightness, gay colour, vibration resistance, long service life (8-10 ten thousand hours of normal light emission), and cold light source. In the future of the 21 st century, lamp products using LEDs as light sources inevitably replace incandescent lamps and become a revolution of human illumination, and LED lamp beads are widely used in various production fields such as lamp illumination, LED large screen display, traffic lights, decorations, computers, electronic toy gifts, switches, telephones, advertisements, urban light engineering and the like.

In order to obtain better lighting effect, when brightness needs to be adjusted, the current input to the LED lamp bead is reduced through an externally connected controller/adapter. The existing adapter generally integrates the functions of alternating current to direct current, voltage regulation, output voltage stabilization and filtering, has larger volume and larger heat productivity, and has certain difficulty in the need of being small in volume or being integrated on a radiator. Now it is common to achieve small volumes by reducing unnecessary functions, such as: the brightness, color temperature, etc. are adjusted to slowly reduce the size of the adapter, but this results in less functionality that the user actually experiences.

Therefore, there is a need for an LED lamp bead with adjustable brightness that can solve one or more of the above problems.

SUMMERY OF THE UTILITY MODEL

For solving one or more problems that exist among the prior art, the utility model provides a LED lamp pearl of adjustable luminance. The utility model discloses a solve the technical scheme that above-mentioned problem adopted and be: an LED lamp pearl of adjustable luminance, it includes: the mounting structure comprises a base, a support and a fixing device, wherein the base is provided with a mounting groove, and a mounting column is arranged in the mounting groove;

the LED lamp beads are fixedly arranged on the tops of the mounting columns;

the inner side wall of the sleeve is provided with a first side groove and a second side groove, the top of the sleeve is provided with a connecting flange, and the sleeve is fixedly installed in the installation groove;

the arc-shaped positive plate is fixedly arranged on the first side groove and is electrically connected with the LED lamp beads, patches with the same resistance value are uniformly pasted on the surface of the arc-shaped positive plate, and the shapes of the patches are matched with the arc-shaped positive plate;

the arc-shaped negative plate is fixedly arranged on the second side groove and is electrically connected with the LED lamp beads;

the adjusting ring is rotatably mounted at the top of the sleeve and is provided with a matching through groove, the matching through groove is matched with the connecting flange, and the connecting flange limits the rotating angle of the adjusting ring;

the matching positive plate is fixedly arranged on the inner side wall of the adjusting ring, the matching positive plate is electrically connected with the patches which are rotationally covered by the matching positive plate, and the number of the patches which are electrically connected with the matching positive plate is changed under the rotation of the adjusting ring;

the matching negative pole piece is fixedly arranged on the inner side wall of the adjusting ring and is insulated from the matching positive pole piece, and the contact area of the matching negative pole piece and the arc-shaped negative pole piece is changed under the rotation of the adjusting ring;

the compression ring is arranged at the top of the adjusting ring and is fixedly connected with the upper end part of the connecting flange;

the adjusting ring is limited by the connecting flange when rotating, so that the matching positive plate and the matching negative plate can not be contacted with the arc positive plate and the arc negative plate simultaneously. This is the basis.

Further, the patch is provided with at least two patches, and each patch is connected in series.

Further, the adjusting ring drives the matching positive plate to rotate when rotating, the matching positive plate is in surface contact with the arc-shaped positive plate, and the matching positive plate is connected with each patch which is rotationally covered with the matching positive plate in parallel.

Furthermore, two fixing grooves are formed in the top of the adjusting ring and used for fixing the matching positive pole piece and the matching negative pole piece.

Further, the connecting flanges are symmetrically arranged in two.

Further, the central angle of the arc-shaped positive plate is 60 degrees, and the central angle of the arc-shaped negative plate is 80 degrees; the central angle of the positive matching plate is less than or equal to 60 degrees, and the central angle of the negative matching plate is less than or equal to 80 degrees.

The utility model has the advantages that the base, the LED lamp beads, the sleeve, the adjusting ring, the compression ring and other parts are connected together through an ingenious structure and an arrangement mode, so that the resistance can be quickly adjusted when the adjusting ring is rotated, and the brightness of the lamp beads can be adjusted by adjusting the internal resistance of the whole lamp beads, and the LED lamp beads can be conveniently installed on a radiator; simple and convenient in use, convenient in connection and installation, stable in structure and difficult in short circuit of an internal circuit. The utility model discloses a practical value has greatly improved above.

Drawings

Fig. 1 is a perspective view of an LED lamp bead with adjustable brightness of the present invention;

fig. 2 is an exploded view 1 of an LED lamp bead with adjustable brightness according to the present invention;

fig. 3 is an exploded view 2 of an LED lamp bead with adjustable brightness according to the present invention;

fig. 4 is a schematic view of an LED lamp bead with adjustable brightness of the present invention;

fig. 5 is a schematic top view of an LED lamp bead with adjustable brightness according to the present invention;

fig. 6 is a partial sectional view in the direction of a-a of a schematic top view of an LED lamp bead with adjustable brightness according to the present invention;

fig. 7 is a partial sectional view of the LED lamp bead with adjustable brightness in the direction of a-a of the present invention;

fig. 8 is a schematic diagram of a compression ring of an LED lamp bead with adjustable brightness according to the present invention;

fig. 9 is the utility model relates to a sleeve schematic diagram of LED lamp pearl of adjustable luminance.

[ reference numerals ]

101. base

102. mounting groove

103. mounting column

104. LED Lamp bead

201 sleeve

202. first side groove

203. second side groove

204. connecting flange

205 sliding groove

210. arc positive plate

220. arc negative plate

301. regulating ring

302. matching through groove

303. fixed groove

310. matching positive plate

320. matching negative plate

401. pressure ring

402. connecting groove

403. isolating Flange

404. second connecting flange

410. first half-ring

411. first projection

420. second half-ring

421. second projection

501 front ring

502. connecting ring groove

601. light modulation sleeve

602. first annular flange

603. inner cylinder

604. second annular Flange

610. first chamfer

620. second chamfer

701. light transmission sheet.

Detailed Description

In order to make the above objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the invention.

As shown in fig. 1-9, the utility model discloses a LED lamp pearl of adjustable luminance, it includes: the device comprises a base 101, wherein the base 101 is provided with a mounting groove 102, and a mounting column 103 is arranged in the mounting groove 102;

the LED lamp beads 104 are fixedly arranged at the tops of the mounting columns 103;

a sleeve 201, wherein a first side groove 202 and a second side groove 203 are arranged on the inner side wall of the sleeve 201, a connecting flange 204 is arranged at the top of the sleeve 201, and the sleeve 201 is fixedly installed in the installation groove 102;

the arc-shaped positive plate 210 is fixedly mounted on the first side groove 202 and electrically connected with the LED lamp bead 104, patches with the same resistance value are uniformly pasted on the surface (generally, the inner side surface) of the arc-shaped positive plate 210, the shape of the patches is matched with that of the arc-shaped positive plate 210, and generally, the LED lamp bead 104 is electrically connected with the patches arranged at the end or the edge of the arc-shaped positive plate 210;

the arc-shaped negative electrode sheet 220 is fixedly arranged on the second side groove 203, is electrically connected with the LED lamp bead 104, and has a shape matched with that of the second side groove 203;

the adjusting ring 301 is rotatably mounted at the top of the sleeve 201, a matching through groove 302 is formed in the adjusting ring 301, the matching through groove 302 is matched with the connecting flange 204, and the connecting flange 204 limits the rotating angle of the adjusting ring 301;

the positive matching electrode plate 310 is fixedly mounted on the inner side wall of the adjusting ring 301, the positive matching electrode plate 310 is electrically connected with the patches which are rotationally covered by the positive matching electrode plate 310, the contact area between the positive matching electrode plate 310 and the arc-shaped positive electrode plate 210 is changed under the rotation of the adjusting ring 301, the number of the patches which are electrically connected with the positive matching electrode plate 310 is further changed, and the shape of the positive matching electrode plate 310 is matched with the arc-shaped positive electrode plate 210;

the matching negative pole piece 320 is fixedly installed on the inner side wall of the adjusting ring 301, and is insulated from the matching positive pole piece 310, the contact area between the matching negative pole piece 320 and the arc-shaped negative pole piece 220 changes under the rotation of the adjusting ring 301, and the shape of the matching negative pole piece 320 is matched with the arc-shaped negative pole piece 220;

the pressing ring 401 is mounted at the top of the adjusting ring 301 and fixedly connected with the upper end part of the connecting flange 204, and the inner side wall of the pressing ring 401 is symmetrically provided with isolating flanges 403;

the positive mating tab 310 and the negative mating tab 320 are generally used for electrical connection with an external circuit, and are generally welded or clamped by screws;

the adjusting ring 301 is limited by the connecting flange 204 when rotating, so that the positive engaging tab 310 and the negative engaging tab 320 cannot contact the positive arc-shaped tab 210 and the negative arc-shaped tab 220 simultaneously.

The first half ring 410 can be further arranged, the first half ring 410 is fixedly installed on the inner side wall of the pressing ring 401, the first half ring 410 is electrically connected with the matching positive pole piece 310, and when the adjusting ring 301 drives the matching positive pole piece 310 to rotate, the first half ring 410 is still electrically connected with the matching positive pole piece 310;

the second half ring 420 is fixedly installed on the inner side wall of the pressure ring 401, the second half ring 420 is electrically connected with the negative pole piece 320, the isolation flange 403 isolates and insulates the first half ring 410 and the second half ring 420, and when the adjustment ring 301 drives the negative pole piece 320 to rotate, the second half ring 420 is still electrically connected with the negative pole piece 320;

the first half ring 410 and the second half ring 420 are used for connecting with an external circuit;

the front ring 501 is fixedly mounted at the top of the compression ring 401, and internal threads are arranged on the inner side wall of the front ring 501;

the outer side wall of the dimming sleeve 601 is provided with an external thread matched with the internal thread, the inner side wall of the bottom end of the dimming sleeve 601 is provided with a first annular flange 602 extending inwards, the dimming sleeve 601 is mounted on the front ring 501, and when the dimming sleeve 601 is completely screwed onto the front ring 501, the top surface of the first annular flange 602 is parallel to or lower than the light emitting surface of the LED lamp bead 104;

an inner cylinder 603, wherein the inner cylinder 603 is integrated with the dimming sleeve 601 or fixedly mounted on the inner side of the first annular flange 602, a second annular flange 604 extending inwards is provided on the inner side wall of the bottom end of the inner cylinder 603, the second annular flange 604 is matched with the mounting post 103, and the height of the inner cylinder 603 is smaller than that of the dimming sleeve 601;

the light-transmitting sheet 701, the light-transmitting sheet 701 is fixedly installed on the top of the dimming sleeve 601;

when the adjusting ring 301 rotates, the positive mating tab 310 and the negative mating tab 320 cannot simultaneously contact the first half ring 410 and the second half ring 420;

the arc positive plate 210 and the arc negative plate 220 are electrically connected with the LED lamp beads 104 in a gold thread welding mode, the welding positions are the end parts or the corners of the arc positive plate and the arc negative plate, and the resistance range of the gold thread welding at the end parts and the corners to achieve adjustment is larger. Generally, when the patch is disposed, the gold wire is welded to the patch disposed on the end or side edge of the arc-shaped positive electrode sheet 210. The base 101 is made of an insulating material or a metal material coated with a thick insulating coating.

It should be noted that the arc-shaped positive plate 210 or the arc-shaped negative plate 220 has a relatively large resistance, the positive mating plate 310 and the negative mating plate 320 generally have a relatively small resistance, and the first half ring 410 and the second half ring 420 have a relatively small resistance and are used as conductors. Generally speaking, based on the fact that the arc-shaped positive electrode plate 210 has a large resistance, the resistance on the arc-shaped positive electrode plate 210 is uniformly distributed on the surface, the internal resistance of the whole lamp bead is determined according to the contact area (resistivity P ═ RS/L) between the arc-shaped positive electrode plate 210 and the matching positive electrode plate 310, the larger the contact area is, the smaller the internal resistance is, the larger the input current is, the brighter the LED lamp bead 104 is, and further, the internal resistance of the whole lamp bead is adjusted by adjusting the contact area between the arc-shaped positive electrode plate 210 and the matching positive electrode plate 310. For example, patches with the same resistance value are uniformly attached to the surface of the arc-shaped positive electrode plate 210, all the patches are generally connected in series, when the surface of the mating positive electrode plate 310 can be contacted with all the patches simultaneously, the number of patches connected in parallel is determined according to the number of patches contacted by the mating positive electrode plate 310, and the larger the number of patches connected, the smaller the resistance; moreover, only the front end portion of the bottom end of the positive fitting plate 310 can contact the patch, and at this time, the patches contacted by the positive fitting plate 310 are connected in series, so that the resistance value becomes large.

In general, in another embodiment, the arc-shaped positive electrode plate 210 is wound with the resistance wire and the insulation layer on the outer side surface of the arranged resistance wire is scraped off along a horizontal plane, the back surface of the matching positive electrode plate 310 is provided with a penetrating protrusion, the penetrating protrusion is electrically connected with the wound turns of the resistance wire, the resistance is changed by changing the number of the turns of the resistance wire connected with the matching positive electrode plate 310, and the internal resistance of the whole lamp bead is further adjusted.

It should be noted that any one or a combination of more of the arc-shaped positive plate 210, the arc-shaped negative plate 220, the positive mating plate 310, the negative mating plate 320, the first half ring 410 and the second half ring 420 may be selected as required to adjust the internal resistance of the whole bead.

It should be noted that, referring to fig. 6 and 7, by rotating the dimming sleeve 601, the inner cylinder 603 or the dimming sleeve 601 serves as a lampshade of the LED lamp bead 104, so as to adjust the size of the light spot, mainly adjusting the width and brightness of the light spot at the outermost edge of the light spot of the LED lamp bead 104. The operation is simple and convenient, and a better adjusting effect can be realized. Generally, the inner sidewalls of the dimming sleeve 601 and the inner barrel 603 are coated with a reflective coating or provided with protrusions for reflecting light and condensing light.

Specifically, as shown in fig. 3 and 9, two connecting flanges 204 are generally symmetrically arranged. Two fixing grooves 303 are formed in the top of the adjusting ring 301, and the fixing grooves 303 are used for fixing the positive mating pole piece 310 and the negative mating pole piece 320, and are generally clamped or screwed. And, the top symmetry of clamping ring 401 is provided with connecting groove 402, be provided with on the lateral wall of first semi-ring 410 with connecting groove 402 complex first arch 411, be provided with on the lateral wall of second semi-ring 420 with connecting groove 402 complex second arch 421. The sleeve 201 is characterized in that a sliding groove 205 is generally formed in the inner side wall of the sleeve 201, and the sliding groove 205 is used for being in sliding clamping connection with the positive matching pole piece 310 and the negative matching pole piece 320, so that better experience is achieved when the adjusting ring 301 is rotated.

Specifically, as shown in fig. 8, a connecting ring groove 502 is provided at the bottom of the front ring 501, a second connecting flange 404 is provided at the top of the pressing ring 401, the connecting ring groove 502 is in threaded connection or clamping connection with the second connecting flange 404, and the front ring 501 is fixed at the top of the pressing ring 401. A first chamfer 610 is arranged between the first annular flange 602 and the dimming sleeve 601, and the first chamfer 610 is arranged between the top surface of the first annular flange 602 and the inner side wall of the dimming sleeve 601; a second chamfer 620 is provided between the second annular flange 604 and the inner cylinder 603, and the second chamfer 620 is provided between the top surface of the second annular flange 604 and the inner side wall of the inner cylinder 603.

Specifically, in order to facilitate the electrical connection between the arc-shaped positive plate 210 and the arc-shaped negative plate 220 and the positive mating plate 310 and the negative mating plate 320, the central angle of the arc-shaped positive plate 210 is 60 degrees, and the central angle of the arc-shaped negative plate 220 is 80 degrees; the central angle of the positive fitting plate 310 is less than or equal to 60 degrees, the central angle of the negative fitting plate 320 is less than or equal to 80 degrees, so that the adjusting ring 301 is not required to rotate carefully when rotated, a larger angle can be rotated, and short circuit of parts caused by overlarge central angle is avoided while the adjusting ring is convenient to use. So that the rotation of the adjusting ring 301 is limited not only by the stroke of the connecting flange 204 but also by the angle of rotation.

Generally speaking, when using the present invention, the adjusting ring 301 the light adjusting sleeve 601 will add a rubber pad to increase damping, and the adjusting ring 301 the outer side wall of the light adjusting sleeve 601 is generally provided with a friction protrusion. During production, LED lamp pearl 104 through the gold thread with the positive plate 210 of arc with arc negative pole piece 220 welds, and the splice is the tip of the positive plate 210 of arc, works as the positive plate 210 of arc is provided with during the paster, sets up on the positive plate 210 tip of arc or the side reason the paster welds with the gold thread, pours into a certain amount of gel into again after the welding and covers welded gold thread and fixes the positive plate 210 of arc with the bottom of arc negative pole piece 220. When the lamp is used, the adjusting ring 301 is rotated to change the area between the arc-shaped positive plate 210 and the matching positive plate 310 or the number of connected wire turns and the number of connected patches so as to change the internal resistance of the whole lamp bead and further adjust the output brightness; the dimming sleeve 601 is rotated, so that the output light spot of the LED lamp bead 104 is changed by the dimming sleeve 601 and the inner barrel 603 in a screwing-in or screwing-out manner, wherein the width and brightness of the edge light spot of the light spot are mainly changed.

To sum up, the base 101, the LED lamp bead 104, the sleeve 201, the adjusting ring 301, the press ring 401 and other components are connected together through an ingenious structure and arrangement, so that when the adjusting ring is rotated, the resistance can be quickly adjusted, the brightness of the lamp bead can be adjusted by adjusting the internal resistance of the whole lamp bead, and the lamp bead can be conveniently installed on a radiator; simple and convenient in use, convenient in connection and installation, stable in structure and difficult in short circuit of an internal circuit. The utility model discloses a practical value has greatly improved above.

The above-described embodiments merely represent one or more embodiments of the present invention, which are described in detail and concrete, but are not to be construed as limiting the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a LED lamp pearl of adjustable luminance which characterized in that includes: the mounting structure comprises a base, a support and a fixing device, wherein the base is provided with a mounting groove, and a mounting column is arranged in the mounting groove;

the LED lamp beads are fixedly arranged on the tops of the mounting columns;

the adjusting ring is limited by the connecting flange when rotating, so that the matching positive plate and the matching negative plate can not be contacted with the arc positive plate and the arc negative plate simultaneously.

2. The LED lamp bead with adjustable brightness according to claim 1, wherein at least two patches are provided, and each patch is connected in series.

3. The LED lamp bead with adjustable brightness according to claim 2, wherein the adjusting ring rotates to drive the positive fitting plate to rotate, the positive fitting plate is in surface contact with the arc-shaped positive plate, and the positive fitting plate is connected in parallel with each of the patches rotationally covered by the positive fitting plate.

4. The LED lamp bead with adjustable brightness according to claim 1, wherein two fixing grooves are formed in the top of the adjusting ring, and the fixing grooves are used for fixing the positive fitting plate and the negative fitting plate.

5. The LED lamp bead with adjustable brightness according to claim 1, wherein two connecting flanges are symmetrically arranged.

6. The LED lamp bead with adjustable brightness according to claim 1, wherein the central angle of the arc-shaped positive plate is 60 degrees, and the central angle of the arc-shaped negative plate is 80 degrees; the central angle of the positive matching plate is less than or equal to 60 degrees, and the central angle of the negative matching plate is less than or equal to 80 degrees.