WO2017067046A1

WO2017067046A1 - Led r7s (rx7s) light source capable of 360-degree light-emitting

Info

Publication number: WO2017067046A1
Application number: PCT/CN2015/096838
Authority: WO
Inventors: 彭程
Original assignee: 深圳市亮维光电有限公司
Priority date: 2015-10-23
Filing date: 2015-12-09
Publication date: 2017-04-27
Also published as: CN205208213U

Abstract

An LED light source (100) capable of 360-degree light-emitting, which is of the R7s or RX7s type, comprises a ceramic base (10), and an LED light strip (20), a protective cover (30), and a power supply (40). At least one mounting slot (11) is provided on the front side of the ceramic base (10). The number of the LED light strips (20) equals that of the at least one mounting slot (11), and each LED light strip (20) is disposed in one mounting slot (11). The number of the protective covers (30) equals that of the at least one mounting slot (11), and each protective cover (30) is disposed on one mounting slot (11) and covers the LED light strip (20) in the mounting slot (11). The power supply (40) is disposed inside the ceramic base (10) and is electrically connected with at least one LED light strip (20). The LED light strip (20) and the ceramic base (10) form an integral structure, so that the heat from the LED light strip would be directly conducted and dissipated by means of the ceramic base (10), thereby improving the heat dissipation efficiency. The ceramic base (10) also has a function of providing insulation protection for the LED light strip (20), thereby simplifying the entire mounting structure of the light source and reducing the size of the light source.

Description

LED R7s (RX7s) light source with 360° illumination

Technical field

[0001] The utility model relates to the technical field of illumination, in particular to an LED R7s (RX7s light source) capable of 360° illumination.

Background technique

[0002] The purpose of modern green lighting is to protect the environment and save energy. LED enters the field of lighting, triggering a revolution in the field of new lighting technology; traditional lighting sources mainly include incandescent lamps, 3⁄4 lamp lamps, fluorescent lamps, etc., with high energy consumption, short life and other shortcomings, along with various new LED light sources The above problems are gradually being solved. It can be seen that LED lighting is a good alternative to traditional lighting.

[0003] However, compared with the conventional light source, the size of the light source can be full-angle and uniform illumination, and the LED light sources on the market are mostly bulky and heavy. To improve these problems, there are more difficulties in the existing design. In particular, the existing LED R7s (RX7s) light source is convected by air through the secondary or tertiary heat sink. Specifically, the primary heat dissipation is the heat dissipation of the LED chip, and the secondary heat dissipation is the heat dissipation of the LED circuit board and the power supply. The three-stage heat dissipation is the heat dissipation of the first-stage second-level transmission to the outer casing, and the heat transfer is performed by the first-stage one-stage heat transfer; and the heat-dissipating materials of each stage are mostly different materials, and different heat-dissipating materials are in the heat transfer process. The generated thermal resistance will be very large, so the existing LED R7s (RX7s) light source on the market generally has problems such as poor heat dissipation due to multi-stage heat transfer, large volume, narrow illumination angle, etc.

[0004] Therefore, it is necessary to provide a technical means to solve the above drawbacks.

technical problem

[0005] The purpose of the utility model is to overcome the defects of the prior art and provide an LED R7s capable of 360° illumination.

(RX7s) light source, to solve the problem that the size of the radiator of the LED R7s (RX7s) light source in the prior art is large, the production cost is high, the overall weight is too heavy, the irradiation angle is narrow, and the like, and the LED in the prior art is also solved. The R7S (RX7s) light source has a poor heat dissipation due to the use of multiple stages of heat transfer.

Problem solution Technical solution

[0006] The present invention is implemented in such a manner that a 360° light-emitting LED R7s (RX7s) light source includes: [0007] a ceramic base for component mounting, the front side of the ceramic base is provided with at least a mounting groove, and the ceramic base is provided with at least one receiving cavity;

[0008] LED strips corresponding to the number of at least one of the mounting slots, each of the LED strips being disposed in each of the mounting slots;

[0009] a protective cover corresponding to the number of the at least one mounting slot, each of the protective covers being disposed on each of the mounting slots and covering the LED light bar in the mounting slot;

[0010] a power source for supplying power to at least one of the LED strips, the power source being built in the accommodating cavity and electrically connected to at least one of the LED strips.

[0011] Specifically, each of the LED light strips includes a circuit board and at least one LED chip disposed on the circuit board, and the circuit board is fixed on the mounting groove by a thermal conductive adhesive.

[0012] Specifically, the power source is provided with at least one, and each of the power sources is disposed in a corresponding one of the accommodating cavities.

[0013] Further, the 360° illuminating LED R7s (RX7s) light source further includes a ceramic tip for covering the accommodating cavity and functioning as an energizing connection, wherein the ceramic tip is disposed on the The side end of the ceramic base covers the receiving cavity.

[0014] Preferably, the ceramic tip is provided with two, and the two ceramic ends are disposed at two side ends of the ceramic base.

[0015] Preferably, the protective cover is provided with a first sliding portion, and the end wall of the mounting groove is provided with a second sliding portion that is slidably engaged with the first sliding portion, and the protective cover passes through the The sliding portion of the first sliding portion and the second sliding portion is slidably disposed on the mounting groove.

[0016] Further, the first sliding portion is a sliding protrusion protruding from an outer side of the protective cover, and the second sliding portion is a sliding groove provided on an end wall of the mounting groove.

[0017] Specifically, the 360° LED R7s (RX7s) light source further includes a conductive terminal for electrically connecting the 360° LED R7S (RX7s) light source, and the ceramic terminal is provided with a terminal. The conductive cavity is disposed in the terminal placement cavity, and is electrically connected to at least one of the LED light bar and at least one of the power sources.

[0018] Specifically, the ceramic pedestal is a central symmetric columnar structure; [0019] the at least one mounting groove is disposed on a front side of the ceramic base along a circumferential direction of the ceramic base

[0020] Preferably, 360° full-angle uniform illumination of the LED R7s (RX7s) light source is achieved by uniformly distributing the circumference of the at least one LED strip.

Advantageous effects of the invention

Beneficial effect

[0021] The technical effect of the 360° light-emitting LED R7s (RX7s) light source of the present invention is as follows: Since the LED light bar is an integrated configuration, and is disposed in the mounting groove of the ceramic base, a ceramic base is formed Compact overall structure, when the LED strip generates heat, heat is directly transmitted to the outer surface of the LED R7s (RX7s) light source through the ceramic base, forming an efficient heat dissipation method, which minimizes the heat generated by multi-stage heat transfer. The thermal resistance greatly improves the heat dissipation efficiency, which in turn helps to improve the service life of the LED light bar. Similarly, ceramics is a heat-dissipating material that is gradually being widely used, and has good heat conduction and electrical insulation properties, so the ceramic base As a heat sink and as a mounting structure for LED strips, the multi-function of one part greatly simplifies the structure of the light source and enables the LED R7S (RX7s) light source to achieve a small size and light weight.

Brief description of the drawing

DRAWINGS

1 is a schematic structural view of a 360° light-emitting LED R7s (RX7s) light source according to the present invention;

2 is a schematic view showing a protective cover of a 360° light-emitting LED R7s (RX7s) light source mounted on a ceramic base according to the present invention;

3 is a schematic view of a ceramic end of a 360° illuminated LED R7s (RX7s) light source of the present invention;

Embodiments of the invention

The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. FIG. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Referring to FIG. 1 and FIG. 2, an embodiment of a 360° LED R7s (RX7s) light source of the present invention will be described below.

[0027] The 360° LED that can be illuminated in this embodiment

The R7s (RX7s) light source 100 includes a ceramic base 10, an LED light bar 20, a protective cover 30, and a power supply 40. Further descriptions of the components of the 360° illuminated LED R7s (RX7s) light source 100 are provided below:

[0028] The ceramic base 10 is provided for component mounting, and the ceramic is an excellent heat conductive material, and the electrical insulation effect is excellent, and the specific gravity is much lower than that of the metal material, and when it is exposed to the air, it is better. The heat is radiated out; wherein, the front side of the ceramic base 10 is provided with at least one mounting groove 11, and the ceramic base 1

0 is provided with at least one accommodating cavity 13;

[0029] The LED light bar 20 corresponds to the number of at least one mounting groove 11, and each LED light bar 20 is provided in each mounting slot.

Within 11;

[0030] The protective cover 30 is for protecting the LED light bar 20, and corresponds to the number of at least one mounting slot 11, each protective cover 30 is disposed on each of the mounting slots 11, and covers the LED light in the mounting slot 11. Preferably, the protective cover 30 is made of a transparent material, and the transparent material has the characteristics of high temperature resistance, ultraviolet protection and excellent light transmittance to ensure the light transmission efficiency of the LED light bar 20;

[0031] The power source 40 is for supplying power to at least one LED light bar 20, wherein the power source 40 is disposed in the ceramic base 10 and electrically connected to the at least one LED light bar 20.

[0032] Since the LED light bar 20 is an integrated configuration, and is disposed in the mounting groove 11 of the ceramic base 10 to form a compact overall structure with the ceramic base 10, when the LED light bar 20 generates heat, heat will be generated. Directly passing through the ceramic base 10 to the outer surface of the LED R7s (RX7s) light source 100, forming an efficient heat dissipation mode, minimizing the thermal resistance generated by the multi-stage heat transfer, greatly improving the heat dissipation efficiency, thereby facilitating the heat dissipation efficiency Increasing the service life of the LED light bar 20; meanwhile, ceramics is a heat-dissipating material that is gradually being widely used, and has good heat conduction and electrical insulation properties, so the ceramic base 10 acts both as a heat sink and as a L ED The mounting structure of the light bar 20, a multi-function of the components, greatly simplifies the structure of the light source, and enables the LED R7s (RX7s) light source 100 to achieve a small size and light weight.

Referring to FIG. 1 and FIG. 2, as a preferred embodiment of the present embodiment, the ceramic base 10 is a central symmetric columnar structure, preferably a cylindrical structure for easy installation, and of course, a polygonal column shape. The structure, the embodiment thereof also belongs to the protection scope of the embodiment; and the mounting groove 11 is provided with at least one, preferably The installation slot 11 is provided with six, and may be set to other numbers according to actual needs, such as four, eight, nine, ten, etc., therefore, the embodiment of the embodiment is not limited thereto; the six installations The slot 11 is evenly disposed on the front side of the ceramic base 10 in the circumferential direction of the ceramic base 10. Accordingly, the LED strip 20 and the protective cover 30 are each provided with six, and the LED strip 20 is mounted in the mounting slot 11 After that, the LED light bar 20 can be evenly distributed along the circumferential direction of the ceramic base 10, thereby achieving 360° full-angle uniform illumination of the LED R7S (RX7s) light source. Further, since the 360° light-emitting LED R7s (RX7s) light source 100 of the present embodiment has a center-symmetric cylindrical design, the illumination angle thereof does not change with the rotation of the entire light source, and full-angle illumination can be realized.

[0034] In addition, in order to improve the heat dissipation effect of the ceramic base 10, the front side of the ceramic base 10 is provided with a plurality of elongated ribs 12, whereby the front side of the ceramic base 10 can be formed with a concave-convex structure, so that The surface area of the ceramic susceptor 10 is increased to further increase the heat dissipation effect on the front side of the ceramic susceptor 10.

Referring to FIG. 1 , in the embodiment, each LED light bar 20 includes a circuit board 21 and at least one LED chip 22 disposed on the circuit board 21 . The circuit board 21 is fixed to the installation by a thermal conductive adhesive. On the slot 11.

Referring to FIG. 2, further, the power source 40 is provided with at least one, and each of the power sources 40 is fixed in each of the accommodating cavities 13 by a heat conductive adhesive.

Referring to FIG. 3, and in conjunction with FIG. 1 and FIG. 2, in order to protect the components disposed in the accommodating cavity 13, the 360° illuminating LED R7s (RX7s) light source 100 of the present embodiment further includes a cover for covering The ceramic tip 50 is disposed in the chamber 13 and is electrically connected. The ceramic tip 50 is disposed at the side end of the ceramic base 10 and covers the receiving cavity 13. Similarly, the ceramic tip 50 is electrically charged during the mounting process. Connection and fixation.

[0038] Further, the ceramic tip 50 is provided with a plugging protrusion 51, and the ceramic base 10 is provided with a plugging recess 14 which is inserted into the mating protrusion 51, and the ceramic tip 50 is inserted into the protrusion. 51 is fixedly attached to the side end of the ceramic base 10 by mating engagement with the insertion recess 14 .

[0039] In addition, in order to facilitate the component is disposed in the accommodating cavity 13, the accommodating cavity 13 extends from one end of the ceramic pedestal 10 to the other end of the ceramic pedestal 10; preferably, the ceramic tip 50 is provided with two The two ceramic ends 50 are disposed at two ends of the ceramic base 10. When the two ceramic tips 50 are disposed on both ends of the ceramic base 10, the 360° LED R7s (RX7s) light source 100 can be formed to cover all sizes between 77 mm and 255 mm.

Referring to FIG. 2, as another preferred embodiment of the embodiment, the protective cover 30 is provided with a first sliding portion 31. The end wall of the mounting groove 11 is provided with a second sliding portion 32 slidably engaged with the first sliding portion 31. The protective cover 30 is mounted on the mounting groove 11 by the sliding fit of the first sliding portion 31 and the second sliding portion 32. By the arrangement of the first sliding portion 31 and the second sliding portion 32, the protective cover 30 can be quickly mounted on the mounting groove 11, and the protective cover 30 can be quickly slid away from the mounting groove 11.

[0041] In order to facilitate the processing, the first sliding portion 31 is a sliding protrusion protruding from the outer side of the protective cover 30, and the second sliding portion 32 is a sliding groove provided on the end wall of the mounting groove 11.

Referring to FIG. 1 and in conjunction with FIG. 3, as another preferred embodiment of the present embodiment, the LE D R7s (RX7s) light source 100 capable of 360° illumination further includes an LED R7s for enabling 360° illumination ( The conductive terminal 60 is electrically connected to the light source 100. Preferably, the conductive terminal 60 is made of a metal material; and the ceramic terminal 50 is provided with a terminal placement cavity 52, and the conductive terminal 60 is disposed in the terminal placement cavity 52, and They are electrically connected to at least one LE D light bar 20 and at least one power source 40, respectively. The two conductive terminals 60 are respectively provided with terminal placement cavities 52, and the two conductive terminals 60 are respectively disposed in the two terminal placement cavities 52, thereby The 360° LED R7s (RX7s) of the embodiment are housed in a lamp with a standard R7s (RX7s) lamp holder that contacts the metal reeds at the ends of the R7s (RX7s) lamp holder. In this case, the LED R7s (RX7s) light source 100, which can emit 360°, is energized and lit. It can be seen that the 360-light LED R7s (RX7s) light source 100 of the dual-end power supply mode of the embodiment can replace the traditional halogen R7s (RX7s) light source.

[0043] The assembly process of the 360° LED R7s (RX7s) light source 100 of the present embodiment will be further described below in conjunction with the drawings:

[0044] First, six LED strips 20 are mounted in the six mounting slots 11 of the ceramic base 10 using a thermally conductive adhesive; then, the power source 40 is mounted on the ceramic housing 10 with a thermally conductive adhesive. 13, and electrically connecting the power source 40 to the six LED strips 20 by wires; then, six protective covers 30 are disposed on the six mounting slots 11; and then, the two ceramic ends 50 are respectively disposed on the ceramic Two ends of the base 10; thereafter, two conductive terminals 60 are respectively disposed in the terminal placement cavities 52 of the two ceramic terminals 50, and the two conductive terminals 60 are electrically connected to the power source 40, respectively, thereby completing The 360° LED R7s (RX7s) light source 100 group

The above description is only a preferred embodiment of the present invention, and its structure is not limited to the above-exemplified shapes, and any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention, etc., All Should be included in the scope of protection of the present invention

Claims

Claim

An LED R7s (RX7s) light source capable of 360° illumination, comprising: a ceramic base for mounting a component, the front side of the ceramic base being provided with at least one mounting groove, and the ceramic base At least one receiving cavity is provided therein;

LED strips corresponding to the number of at least one of the mounting slots, each of the LED strips being mounted in each of the mounting slots;

a protective cover corresponding to the number of the at least one mounting slot, each of the protective covers being disposed on each of the mounting slots and covering the LED light bar in the mounting slot;

And a power source for supplying power to at least one of the LED strips, the power source being built in the accommodating cavity and electrically connected to at least one of the LED strips.

A 360° LED R7s (RX7s) light source as claimed in claim 1, wherein: each of said LED strips comprises a circuit board and at least one L disposed on said circuit board.

The ED chip is fixed in the mounting groove by a heat conductive adhesive.

The 360° illuminating LED R7s (RX7s) light source of claim 1 wherein: said power source is provided with at least one, each of said power sources being disposed within each of said receiving cavities. The 360° illuminating LED R7s (RX7s) light source of claim 1 further comprising: a ceramic tip for covering the accommodating cavity and functioning as an energizing connection, wherein the ceramic tip is provided The side end of the ceramic base covers the receiving cavity.

The 360° illuminating LED R7s (RX7s) light source according to claim 4, wherein: the ceramic tip is provided with two, and the two ceramic ends are disposed on two sides of the ceramic base. end.

The 360° illuminating LED R7s (RX7s) light source according to claim 1, wherein: the protective cover is provided with a first sliding portion, and the end wall of the mounting groove is provided with the first sliding a second sliding portion that is slidably engaged, and the protective cover is attached to the mounting groove by a sliding fit of the first sliding portion and the second sliding portion.

The 360-light-emitting LED R7s (RX7s) light source according to claim 6, wherein: the first sliding portion is a sliding protrusion protruding from an outer side of the protective cover, and the second sliding portion is a sliding groove provided on an end wall of the mounting groove. The light-emitting LED R7s (RX7s) light source according to any one of claims 4 to 7, further comprising: an LED R7s (RX7s) light source for energizing 360°. And connecting the conductive terminals, the ceramic terminal is provided with a terminal placement cavity, the conductive terminals are disposed in the terminal placement cavity, and are respectively electrically connected to at least one of the power sources.

The light-emitting LED R7s (RX7s) light source according to any one of claims 1 to 8, wherein: the ceramic base is a central symmetric columnar structure; and the at least one mounting groove It is disposed on the front side of the ceramic base along the circumferential direction of the ceramic base.

The light-emitting LED R7s (RX7s) light source according to any one of claims 1 to 9, characterized in that: the circumference of the at least one LED light bar is evenly distributed, thereby realizing the The LED R7S (RX7s) light source has a 360° full-angle uniform illumination.