CN211976829U - Lamp for eliminating light distribution defects of multiple COB light sources and reflection cup - Google Patents
Lamp for eliminating light distribution defects of multiple COB light sources and reflection cup Download PDFInfo
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- CN211976829U CN211976829U CN202020355266.9U CN202020355266U CN211976829U CN 211976829 U CN211976829 U CN 211976829U CN 202020355266 U CN202020355266 U CN 202020355266U CN 211976829 U CN211976829 U CN 211976829U
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Abstract
The utility model provides a lamp for eliminating the light distribution defects of a plurality of COB light sources and a reflecting cup, which comprises a supporting plate fixedly arranged at the rear end of the reflecting cup; the circular COB luminous body is fixedly arranged on the supporting plate; the light guide is fixedly arranged on the supporting plate; the circular COB luminous bodies are at least three and are uniformly arranged around the light guide, and the circular COB luminous bodies and the light guide are both positioned in the reflecting cup; the bottom surface of light guide is greater than its top surface, has the reflection of light face between bottom surface and the top surface, reflection of light face and circular COB luminous element one-to-one, and the area sum of reflection of light face is greater than the bottom disappearance area between the circular COB luminous element, and the grading angle of light guide is less than the angle of light-emitting of reflection of light cup. The utility model has the advantages that: the light guide is additionally arranged among more than three circular COB luminous bodies, so that the problem of light distribution defect under a small light-emitting angle is effectively solved; the light distribution effect is high, the structure of the light guide is simple, and the manufacturing cost is low.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a lighting apparatus specifically relates to a eliminate lamps and lanterns of a plurality of COB light sources and anti-light cup grading defect.
[ background of the invention ]
In the direction of super-high power, such as kilowatt level, the light emitting area of a single round COB light-emitting body cannot be infinitely enlarged due to the influence of heat or equipment, and for the super-high light emitting area, the light emitting angle is more than 30 degrees, and the light intensity is weak when the light emitting angle is large. Therefore must use the combination light source, and circular COB luminous body combination setting more than two will appear the problem of defective light type to little luminous angle when carrying out the light distribution in anti-light cup inside, refer to fig. 8. The existing solution is as follows: 1. the lens is arranged at the front end of the reflecting cup, but the size of the lens used in the reflecting cup or the light distribution part at the front end is limited, even the lens cannot be used, so that the process is difficult and the cost is high for manufacturing a large lens; 2. a light source is added in the middle of the round COB illuminant, but the light source is a special-shaped light source, and the special-shaped light source is difficult to manufacture and is unbalanced with the round COB illuminant around; 3. the combined round COB luminous body is replaced by other square and special COB luminous bodies, but the situations of light type deficiency and insufficiency can also occur, and the manufacturing process is difficult to realize.
[ Utility model ] content
The to-be-solved technical problem of the utility model lies in providing a eliminate lamps and lanterns of a plurality of COB light sources and anti-light cup grading defect, realize eliminating the grading defect.
The utility model discloses a realize like this: a lamp for eliminating light distribution defects of a plurality of COB light sources and a reflection cup comprises:
the supporting plate is fixedly arranged at the rear end of the reflecting cup;
the round COB luminous body is fixedly arranged on the supporting plate;
the light guide is fixedly arranged on the supporting plate;
the circular COB luminous bodies are at least three and are uniformly arranged around the light guide, and the circular COB luminous bodies and the light guide are both positioned in the reflecting cup; the bottom surface of light guide is greater than its top surface, the bottom surface with reflection of light face has between the top surface, reflection of light face with circular COB luminous body one-to-one, the sum of the area of reflection of light face is greater than bottom disappearance area between the circular COB luminous body, the grading angle of light guide is less than reflection of light cup's light-emitting angle.
Further, the bottom surface frame of light guide with circular COB luminous element's circular arc frame matches.
Further, the light guide is pyramid-shaped.
Furthermore, a threaded hole penetrates through the bottom surface of the light guide and the top surface of the light guide, and a positioning hole is formed in the bottom surface of the light guide.
Further, the reflection cup is a combined reflection cup, and comprises:
the outer cup is sleeved on the inner cup;
the first light reflecting sheet is laid on the cup wall of the inner cup;
the connecting plate is fixedly arranged between the inner cup and the outer cup;
the connecting plate is provided with a first through hole, an air duct is arranged between the outer cup and the inner cup, the first reflector is fixedly provided with an upper limiting plate and a lower limiting plate, and the upper limiting plate and the lower limiting plate prop against the cup wall of the inner cup; the backup pad set firmly in the rear end of interior cup, circular COB luminous body with the light guide all is located the inside of interior cup.
Furthermore, the glass cup also comprises a pressing plate and a first waterproof ring, wherein the pressing plate is fixedly arranged between the inner cup and the front end of the outer cup, the first waterproof ring is fixedly connected with the front end of the inner cup, and a glass plate is fixedly arranged on the first waterproof ring.
Furthermore, the outer cup is provided with a second through hole.
The heat collecting plate is fixedly connected with the supporting plate, the waterproof fixing plate is fixedly arranged at the center of the front face of the heat collecting plate, the supporting plate is located in the hollow position of the waterproof fixing plate, and the second waterproof ring is fixedly arranged between the heat collecting plate and the rear end of the inner cup.
Furthermore, the solar heat collector further comprises a radiator and a shading cap, wherein the radiator is fixedly connected with the heat collecting plate, and the shading cap is detachably connected with the outer cup.
The utility model has the advantages that: the light guide is additionally arranged among more than three circular COB luminous bodies, so that the problem of light distribution defect is effectively solved; the light distribution effect is high, the structure of the light guide is simple, and the manufacturing cost is low; the combined type reflecting cup and the radiator can quickly conduct heat emitted by the light source, heat emitted by each part of the light source can be conducted in a sectional or step-by-step mode, the service life of the light source is prolonged, the combined type reflecting cup and the radiator also have a water drainage function, and the arranged shading cap effectively prevents glare.
[ description of the drawings ]
The invention will be further described with reference to the following examples with reference to the accompanying drawings.
Fig. 1 is a schematic perspective view of a first embodiment of a lamp according to the present invention.
Fig. 2 is a schematic plan half-section view of a first embodiment of the lamp of the present invention.
Fig. 3 is a schematic diagram of the position of a circular COB illuminant on a support plate according to an embodiment of the present invention.
Fig. 4 is a schematic plan front view of a light guide according to an embodiment of the present invention.
Fig. 5 is a bottom view of fig. 4.
Fig. 6 is a sectional view taken along line a-a of fig. 5.
Fig. 7 is a schematic perspective view of a first embodiment of the middle light guide according to the present invention.
Fig. 8 is a schematic diagram of a light pattern generated by light emission when the light guide is not provided.
Fig. 9 is a schematic diagram of the light pattern generated by light emission when the light guide is installed.
Fig. 10 is a schematic view of a light intensity distribution curve of light emitted when the light guide is not installed according to an embodiment of the present invention.
Fig. 11 is a schematic view of a light intensity distribution curve of light emitted when the light guide is installed according to an embodiment of the present invention.
FIG. 12 is a schematic view of the position of the second circular COB illuminant on the supporting plate according to the present invention
Fig. 13 is a schematic plan view of a light guide according to a second embodiment of the present invention.
Fig. 14 is a schematic perspective view of a light guide according to a second embodiment of the present invention.
Fig. 15 is a schematic view of a light intensity distribution curve of light emitted when the light guide is not provided according to the second embodiment of the present invention.
Fig. 16 is a graph showing the light intensity distribution curve of light emitted when the light guide is installed according to the second embodiment of the present invention.
Fig. 17 is a schematic perspective view of a third embodiment of a lamp according to the present invention.
Fig. 18 is a schematic plan half-section view of a third embodiment of the lamp according to the present invention.
Fig. 19 is an exploded view of a third embodiment of the lamp according to the present invention.
Fig. 20 is a schematic view illustrating the installation of the supporting plate and the heat collecting plate in the third embodiment of the lamp of the present invention.
Fig. 21 is a schematic perspective view of a third embodiment of a lamp according to the present invention.
Fig. 22 is a schematic view of ventilation and heat dissipation of the ventilation duct in the third embodiment of the lamp of the present invention.
Fig. 23 is a schematic view of a third embodiment of a lamp according to the present invention, in which the second through hole is used for draining accumulated water.
Fig. 24 is a schematic position diagram of a connection plate in the third embodiment of the lamp according to the present invention.
Fig. 25 is a schematic position diagram of the upper limit plate and the lower limit plate in the third embodiment of the lamp of the present invention.
Fig. 26 is a schematic structural view of a heat collecting plate in the third embodiment of the lamp of the present invention.
Fig. 27 is a schematic perspective view of a heat sink according to a third embodiment of the present invention.
Fig. 28 is a schematic structural view of a single heat pipe fin in the third embodiment of the lamp according to the present invention.
Fig. 29 is a schematic structural view of a third embodiment of a lamp according to the present invention, in which a plurality of heat pipe fins are arranged in a surrounding manner.
Fig. 30 is a schematic structural view of a heat pipe support block in the third embodiment of the lamp according to the present invention.
Fig. 31 is a schematic plan front view of a heat sink according to a third embodiment of the lamp of the present invention.
Fig. 32 is a left side view of fig. 31.
Fig. 33 is a right side view of fig. 31.
Fig. 34 is a schematic view of ventilation and heat dissipation of a heat sink in the third embodiment of the lamp of the present invention.
Fig. 35 is a schematic structural view of a light-shielding cap according to a third embodiment of the present invention.
Fig. 36 is a schematic structural view of a fastener according to a third embodiment of the present invention.
The labels in the figure are: the support plate 1, the connection plate 11, the reflector cup 2, the outer cup 21, the second through hole 211, the inner cup 22, the first reflector 23, the upper limiting plate 231, the lower limiting plate 232, the connection plate 24, the first through hole 241, the pressing plate 25, the pressing plate 251, the first waterproof ring 26, the glass plate 261, the waterproof fixing plate 27, the second waterproof ring 28, the circular COB emitter 3, the light guide 4, the bottom surface 41, the top surface 42, the reflective surface 43, the threaded hole 44, the positioning hole 45, the heat sink 5, the first substrate 51, the second substrate 52, the heat pipe fins 53, the honeycomb holes, the heat pipe support block 54, the first heat pipe groove 541, the heat collecting plate 55, the second heat pipe groove 551, the heat transfer pipe 56, the bracket 57, the light shielding cap 6, the ring frame 61, the fastener 62, the base 621, the support pipe 622, the backing plate 623, the fastener 624, the hook 625, the rear light shielding plate 63, the slide hole 631, the angle adjusting plate 64, the front light shielding plate, decorative ring 67, exhaust 671, light pattern 7.
[ detailed description ] embodiments
The embodiment of the utility model provides an eliminate lamps and lanterns of a plurality of COB light sources and anti-light cup grading defect through providing one kind, solved among the prior art technical problem that circular COB luminous element combination produced the grading defect in anti-light cup, realized the balanced technological effect of light type.
The embodiment of the utility model provides an in technical scheme for solving above-mentioned problem, the general thinking is as follows: the light guide is additionally arranged among more than three circular COB luminous bodies, and the circular COB luminous bodies and the light guide are both positioned in the reflecting cup; the bottom surface of light guide is greater than its top surface, the bottom surface with reflection of light face has between the top surface, reflection of light face with circular COB luminous body one-to-one, the sum of the area of reflection of light face is greater than bottom disappearance area between the circular COB luminous body, the grading angle of light guide is less than reflection of light cup's light-emitting angle.
For better understanding of the above technical solutions, the following detailed descriptions will be provided in conjunction with the drawings and the detailed description of the embodiments.
Referring to fig. 1 to 11, the first embodiment of the lamp of the present invention for eliminating the light distribution defects of a plurality of COB light sources and reflective cups is shown. The utility model discloses a lamp includes: the supporting plate 1 is fixedly arranged at the rear end of the reflecting cup 2; the round COB luminous body 3 is fixedly arranged on the supporting plate 1; the light guide 4 is fixedly arranged on the supporting plate 1; the backup pad 1 is the aluminium material backup pad, specifically is mirror surface aluminum plate, and reflection of light is effectual, and the light-emitting efficiency is high after the light source is lighted. The supporting plate 1 is fixed with a connecting plate 11 by using a fastening screw, and the light guide 4 is fixedly connected with the connecting plate 11 by the fastening screw, so that the light guide 4 is convenient to disassemble and assemble; the connecting plate 11 is made of bakelite and has the characteristics of insulation and high temperature resistance. Four circular COB luminous bodies 3 are uniformly arranged around the light guide 4, and the circular COB luminous bodies 3 and the light guide 4 are both positioned inside the reflective cup 2; bottom surface 41 of light guide 4 is greater than its top surface 42, bottom surface 41 with reflection of light face 43 has between the top surface 42, reflection of light face 43 with circular COB luminous body 3 one-to-one. The sum of the areas of the reflective surfaces 43 is greater than the area of the bottom missing between the circular COB light emitters 3, i.e. the area of the circular COB light emitters which cannot be intersected in the middle. As shown in fig. 3 and 4, the missing bottom area between the four circular COB emitters 3 is S1, that is, the areas of the four reflective surfaces 43 are S2, S3, S4, and S5, respectively, so that S2+ S3+ S4+ S5 > S1. The light distribution angle theta 2 of the light guide 4 is smaller than the light outlet angle of the reflecting cup 2, and if the area light emission of the light source is changed, the light outlet angle of the reflecting cup 2 can be changed after the light source is turned on.
In this embodiment, circle diameter D of circular COB luminous body 3 is 50mm, and the marginal interval L of adjacent circular COB luminous body is 6mm, and bottom deletion area S1 is 1963.5mm2S2+ S3+ S4+ S5 is 4554mm2(ii) a The light-emitting angle of the reflecting cup 2 is 15 degrees, and the light distribution angle theta of the light guide 4 is 10 degrees.
The frame of the bottom surface 41 of the light guide 4 is matched with the circular arc frame of the circular COB luminous body 3; the produced light distribution effect is better. The area of the bottom surface of the light guide 4 is slightly smaller than the bottom missing area S1 in consideration of the safety distance such as 1.8mm, and the hatched portion in fig. 3 is an illustrative position of the bottom surface mounting of the light guide 4 of the present embodiment. Circular COB luminous element 3 is the COB luminous element of fluorescent ceramic encapsulation, and four circular COB luminous elements are as the light source. The reflective cup 2 is a single reflective cup. The light guide 4 is made of metal, the reflective surface 43 of the light guide 4 is subjected to metal surface polishing treatment, and the reflective surface 43 cannot have the phenomena of scratching and water marks, and has no miscellaneous points, yellowing, scratching and the like. A threaded hole 44 penetrates between the bottom surface 41 of the light guide 4 and the top surface 42 thereof, and a positioning hole 45 is formed in the bottom surface 41 of the light guide 4; the positioning holes 45 are matched with the positioning pins on the support plate 1, and the light guide 4 is fixedly connected with the bolts on the support plate 1 through the threaded holes 44.
The utility model discloses eliminate a plurality of COB light sources and anti-light cup grading defect, through add light guide 4 between four circular COB luminophors 3, the area sum S2+ S3+ S4+ S5 of four reflection of light faces 43 of light guide 4 is greater than bottom deletion area S1 between four circular COB luminophors 3, and the grading angle A2 of light guide 4 is less than the light-emitting angle A1 of anti-light cup 2. The specific light distribution effect is obtained by comparison: fig. 8 is a light type 7 effect diagram emitted by the lamp without adding the light guide 4, and fig. 9 is a light type 7 effect diagram emitted by the lamp with the light guide 4 according to the present invention; fig. 10 is a schematic view of a light intensity distribution curve obtained by a lamp without the light guide 4 of the present embodiment in the conventional TracePro optical simulation software, and fig. 11 is a schematic view of a light intensity distribution curve obtained by a lamp with the light guide 4 of the present embodiment in the conventional TracePro optical simulation software. The light intensity unit cd. The utility model discloses a grading defect has been eliminated effectively to lamps and lanterns. The light distribution defect is caused by the light intensity of the center formed among the plurality of COB luminous bodies; after the light guide is added, the light emitted by the COB light-emitting body changes the reflection route, so that the light intensity at the central position is increased, and the light distribution defect at the center is overcome.
Referring to fig. 12 to 16, the second embodiment of the lamp for eliminating the light distribution depression of the plurality of COB light sources and the reflective cup of the present invention is shown. When the diameter of the circular COB luminous body 3 is smaller, the diameter of the circular COB luminous body is smaller than or equal to 35mm, and the light guide 4 can be in a pyramid shape; as shown in fig. 12, the hatched portion in the figure is a bottom surface mounting schematic position of the light guide 4 of the present embodiment; there are four circular COB luminophors 3, and the diameter D of circular COB luminophor 3 is 35mm, and the shape of light guide 4 is the four pyramid form. The light guide 4 is more easily manufactured, and the light distribution defect is effectively eliminated under the condition that the sum of the areas of the four reflecting surfaces 43 of the light guide 4, which is S2+ S3+ S4+ S5, is larger than the bottom missing area S1 between the four circular COB light-emitting bodies 3, and the light distribution angle theta of the light guide 4 is smaller than the light-emitting angle of the reflector cup 2. Fig. 15 is a schematic view of a light intensity distribution curve obtained by the lamp without the light guide of the present embodiment in the conventional TracePro optical simulation software of the present invention, and fig. 16 is a schematic view of a light intensity distribution curve obtained by the lamp with the light guide of the present embodiment in the conventional TracePro optical simulation software of the present invention. Please refer to the first embodiment of the present invention for other parts not described.
Referring to fig. 17 to 36, a third embodiment of the lamp of the present invention for eliminating the light distribution defects of the plurality of COB light sources and the reflective cup. The utility model discloses a reflection of light cup is combination formula reflection of light cup, include: an outer cup 21 for covering the inner cup 22; the first reflector 23 is laid on the wall of the inner cup 22; the first reflective sheet 23 may be a whole sheet, or a plurality of sheets may be enclosed to form a conical form; the connecting plate 24 is fixedly arranged between the inner cup 22 and the outer cup 21; the firmness of the inner cup 22 and the outer cup 21 is improved; the connecting plate 24 is provided with a first through hole 241, a ventilation channel is arranged between the outer cup 21 and the inner cup 22, the first reflector 23 is fixedly provided with an upper limiting plate 231 and a lower limiting plate 232, and the upper limiting plate 231 and the lower limiting plate 232 abut against the wall of the inner cup 22; the backup pad 1 set firmly in the rear end of interior cup 22, circular COB luminous element 3 with light guide 4 all is located the inside of interior cup 22. The light distribution angle θ of the light guide 4 is smaller than the light exit angle of the inner cup 22 after the light source is turned on. The utility model discloses lamps and lanterns are used in the open air, and the light that the light source sent outwards shines out light under the reflex action of the first reflector panel 23 of cup wall of cup 22 in. Because the outdoor LED lamp is used outdoors, heat generated by the light source can be dissipated by the air duct under the action of outdoor wind, and the heat dissipation effect is improved; referring to fig. 22, the arrows in the figure indicate the flow of wind.
The novel cup is characterized by further comprising a plurality of pressing plates 25 and a first waterproof ring 26, wherein the pressing plates 25 are fixedly arranged between the front ends of the inner cup 22 and the outer cup 21, the plurality of pressing plates 25 are uniformly distributed between the front ends of the inner cup 22 and the outer cup 21, the effect of connecting the inner cup 22 and the outer cup 21 is achieved, and the structural stability of the inner cup 22 and the outer cup 21 is improved. The first waterproof ring 26 is fixedly connected with the front end of the inner cup 22, and a glass plate 261 is fixedly arranged on the first waterproof ring 26. The first waterproof ring 26 prevents external water from entering the inside of the inner cup 22, and the glass plate 261 plays a role of waterproof and light-transmitting. The pressing plate 25 is also fixedly connected with a pressing plate 251, and the first waterproof ring 26 is arranged between the pressing plate 25 and the pressing plate 251; the provision of the pressure piece 251 further stabilizes the first waterproof ring 26.
The outer cup 21 is provided with a second through hole 211. The second through hole 211 is communicated with the air duct, so that heat can be dissipated from the second through hole 211 during heat dissipation; because outdoor use, there is ponding in the air duct unavoidably, and with reference to fig. 23, the second through-hole 211 also facilitates draining ponding in the air duct.
The heat collecting plate comprises a heat collecting plate 55, a waterproof fixing plate 27 and a second waterproof ring 28, wherein the supporting plate 1 is fixedly connected with the heat collecting plate 55, the waterproof fixing plate 27 is fixedly arranged at the center of the front surface of the heat collecting plate 55, the supporting plate 1 is positioned at the hollow position of the waterproof fixing plate 27, and the second waterproof ring 28 is fixedly arranged between the heat collecting plate 55 and the rear end of the inner cup 22. The heat collecting plate 55 is a prior art product, and the heat collecting plate 55 absorbs heat of the COB illuminant, and the heat of the heat collecting plate 55 enters the air duct under the flowing action of outdoor wind, thereby dissipating heat. The waterproof fixing plate 27 and the second waterproof ring 28 function to prevent external water from entering the inside of the inner cup 22.
The solar energy heat collecting cup further comprises a radiator 5 and a shading cap 6, wherein the radiator 5 is fixedly connected with the heat collecting plate 55, and the shading cap 6 is detachably connected with the outer cup 21. Referring again to fig. 26 to 34, the heat sink 5 includes: a first base plate 51 fixedly connected with the heat collecting plate 55; a second substrate 52 fixedly connected with the first substrate 51 through a pillar; a heat pipe heat sink 53 fixedly disposed between the first substrate 51 and the second substrate 52; a heat pipe supporting block 54 fixedly connected with the heat collecting plate 55; the plurality of heat pipe fins 53 are circumferentially distributed on the first substrate 51 and the second substrate 52, the plurality of first heat pipe grooves 541 are formed in the heat pipe supporting block 54, the heat pipes of the heat pipe fins 53 are disposed in the first heat pipe grooves 541, the plurality of second heat pipe grooves 551 are formed in the back surface of the heat collecting plate 55, the heat transfer heat pipes 56 are disposed in the second heat pipe grooves 551, and the back surface of the heat collecting plate 55 abuts against the heat pipe supporting block 54. The heat collected by the heat collecting plate 55 is transferred to the heat pipe supporting block 54 through the heat transfer pipe, and then transferred from the heat pipe supporting block 54 to the heat pipe cooling fins 53 for rapid heat dissipation; the heat pipe fins 53 have honeycomb holes 531 to improve a heat dissipation effect. The heat sink 5 is also fixedly connected to the bracket 57.
Referring to fig. 35 and 36, the light-shielding cap 6 includes: the ring frame 61 is connected with the outer cup 21 through a fastener 62; a rear end light shielding plate 63 fixedly connected with the ring frame 61; an angle adjusting plate 64 fixedly connected with the rear end light shielding plate 63; a front light shielding plate 65 fixedly connected to the angle adjusting plate 64; and a second reflector 66 fixedly connected to the rear light-shielding plate 63. The shade cap 6 has an anti-glare effect. The ring frame 61 is further fixedly provided with a decoration ring 67, the decoration ring 67 is further tightly attached to the pressing plate 25, the decoration ring 67 is further provided with air outlet holes 671, and the air outlet holes 671 penetrate through the pressing plate 25 at the corresponding positions and are communicated with the air duct.
The fastener 62 includes: a base 621 fixedly connected to the ring frame 61; a support tube 622 rotatably connected to the base 621; a backing plate 623 fixedly connected with the support tube 622; a fastening head 624 fixedly connected with the supporting tube 622; a hook 625 fixedly connected to the outer cup 21; the rear light shielding plate 63 is provided with a sliding hole 631, the supporting tube 622 passes through the sliding hole 631, and the fastening head 624 can fasten the fastening hook 625. When the fastening head 624 fastens the fastening hook 625, the backing plate 623 props against the base 621, the shading cap 6 is fixed on the outer cup 21, and when the fastening head 624 leaves the fastening hook 625, the backing plate 623 is separated from the base 621, and the shading cap 6 can be taken down; the detachable connection of the shading cap 6 is realized. Please refer to the first embodiment of the present invention for other parts not described.
Although specific embodiments of the present invention have been described, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the claims appended hereto.
Claims (9)
1. The utility model provides an eliminate lamps and lanterns of a plurality of COB light sources and anti-light cup grading defect which characterized in that includes:
the supporting plate is fixedly arranged at the rear end of the reflecting cup;
the round COB luminous body is fixedly arranged on the supporting plate;
the light guide is fixedly arranged on the supporting plate;
the circular COB luminous bodies are at least three and are uniformly arranged around the light guide, and the circular COB luminous bodies and the light guide are both positioned in the reflecting cup; the bottom surface of light guide is greater than its top surface, the bottom surface with reflection of light face has between the top surface, reflection of light face with circular COB luminous body one-to-one, the sum of the area of reflection of light face is greater than bottom disappearance area between the circular COB luminous body, the grading angle of light guide is less than reflection of light cup's light-emitting angle.
2. The lamp for eliminating light distribution defects of COB light sources and reflector cups as claimed in claim 1, wherein the bottom border of the light guide matches the circular arc border of the circular COB light emitter.
3. The lamp for eliminating defects in light distribution of COB light sources and reflector cups as claimed in claim 1, wherein said light guide is pyramid shaped.
4. The lamp for eliminating light distribution defects of the COB light sources and the reflector cups as claimed in claim 1, wherein a threaded hole penetrates through the bottom surface of the light guide and the top surface of the light guide, and a positioning hole is formed in the bottom surface of the light guide.
5. The lamp of claim 1, wherein the reflector cup is a combined reflector cup, and the lamp comprises:
the outer cup is sleeved on the inner cup;
the first light reflecting sheet is laid on the cup wall of the inner cup;
the connecting plate is fixedly arranged between the inner cup and the outer cup;
the connecting plate is provided with a first through hole, an air duct is arranged between the outer cup and the inner cup, the first reflector is fixedly provided with an upper limiting plate and a lower limiting plate, and the upper limiting plate and the lower limiting plate prop against the cup wall of the inner cup; the backup pad set firmly in the rear end of interior cup, circular COB luminous body with the light guide all is located the inside of interior cup.
6. The lamp for eliminating light distribution defects of COB light sources and reflector cups as claimed in claim 5, further comprising a pressing plate and a first waterproof ring, wherein the pressing plate is fixedly arranged between the front ends of the inner cup and the outer cup, the first waterproof ring is fixedly connected with the front end of the inner cup, and a glass plate is fixedly arranged on the first waterproof ring.
7. The lamp for eliminating light distribution defects of COB light sources and the reflector cup as claimed in claim 5, wherein the outer cup is provided with a second through hole.
8. The lamp of claim 5, further comprising a heat collecting plate, a waterproof fixing plate and a second waterproof ring, wherein the supporting plate is fixedly connected with the heat collecting plate, the waterproof fixing plate is fixedly arranged at the center of the front face of the heat collecting plate, the supporting plate is located in the hollow position of the waterproof fixing plate, and the second waterproof ring is fixedly arranged between the heat collecting plate and the rear end of the inner cup.
9. The lamp of claim 8, further comprising a heat sink and a light blocking cap, wherein the heat sink is fixedly connected to the heat collecting plate, and the light blocking cap is detachably connected to the outer cup.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020355266.9U CN211976829U (en) | 2020-03-19 | 2020-03-19 | Lamp for eliminating light distribution defects of multiple COB light sources and reflection cup |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020355266.9U CN211976829U (en) | 2020-03-19 | 2020-03-19 | Lamp for eliminating light distribution defects of multiple COB light sources and reflection cup |
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| Publication Number | Publication Date |
|---|---|
| CN211976829U true CN211976829U (en) | 2020-11-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020355266.9U Active CN211976829U (en) | 2020-03-19 | 2020-03-19 | Lamp for eliminating light distribution defects of multiple COB light sources and reflection cup |
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| CN (1) | CN211976829U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111365693A (en) * | 2020-03-19 | 2020-07-03 | 福建中科芯源光电科技有限公司 | Lamp and method for eliminating light distribution defects of multiple COB light sources and reflecting cups |
-
2020
- 2020-03-19 CN CN202020355266.9U patent/CN211976829U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111365693A (en) * | 2020-03-19 | 2020-07-03 | 福建中科芯源光电科技有限公司 | Lamp and method for eliminating light distribution defects of multiple COB light sources and reflecting cups |
| CN111365693B (en) * | 2020-03-19 | 2024-02-06 | 福建中科芯源光电科技有限公司 | Lamp capable of eliminating light distribution defects of multiple COB light sources and reflective cups and method thereof |
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