CN111365693A - Lamp and method for eliminating light distribution defects of multiple COB light sources and reflecting cups - Google Patents
Lamp and method for eliminating light distribution defects of multiple COB light sources and reflecting cups Download PDFInfo
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- CN111365693A CN111365693A CN202010196000.9A CN202010196000A CN111365693A CN 111365693 A CN111365693 A CN 111365693A CN 202010196000 A CN202010196000 A CN 202010196000A CN 111365693 A CN111365693 A CN 111365693A
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- 230000007547 defect Effects 0.000 title claims abstract description 22
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- 238000003825 pressing Methods 0.000 claims description 15
- 239000011521 glass Substances 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims 2
- 241001465382 Physalis alkekengi Species 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 12
- 239000000758 substrate Substances 0.000 description 8
- 230000017525 heat dissipation Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000005034 decoration Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000006748 scratching Methods 0.000 description 2
- 230000002393 scratching effect Effects 0.000 description 2
- 229920001342 Bakelite® Polymers 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 239000004637 bakelite Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
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- 238000005538 encapsulation Methods 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 239000004065 semiconductor Substances 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/71—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
- F21V13/02—Combinations of only two kinds of elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/51—Cooling arrangements using condensation or evaporation of a fluid, e.g. heat pipes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V31/00—Gas-tight or water-tight arrangements
- F21V31/005—Sealing arrangements therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/10—Construction
Abstract
The invention provides a lamp and a method for eliminating the light distribution defects of a plurality of COB light sources and a reflecting cup, wherein the lamp 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 invention 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 invention relates to lighting equipment, in particular to a lamp and a method for eliminating light distribution defects of a plurality of COB light sources and a reflector cup.
[ 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.
[ summary of the invention ]
The invention aims to solve the technical problem of providing a lamp and a method for eliminating the light distribution defects of a plurality of COB light sources and a reflector cup, so as to eliminate the light distribution defects.
The invention is realized by the following steps: 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.
A method for eliminating light distribution defects of a plurality of COB light sources and a reflector cup comprises the following steps:
s1, fixedly arranging a light guide at the center of a supporting plate, uniformly arranging at least three circular COB (chip on board) luminous bodies around the light guide, wherein the bottom surface of the light guide is larger than the top surface of the light guide, a reflecting surface is arranged between the bottom surface and the top surface, the reflecting surfaces are in one-to-one correspondence with the circular COB luminous bodies, the sum of the areas of the reflecting surfaces is larger than the bottom missing area between the circular COB luminous bodies, and the light distribution angle of the light guide is smaller than the light outlet angle of a reflector cup;
s2, will the backup pad set firmly in the rear end of anti-light cup, circular COB luminous body with the light guide all is located the inside of anti-light cup.
The invention 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 lamp according to an embodiment of the invention.
Fig. 3 is a schematic diagram of a circular COB illuminant according to an embodiment of the present invention.
FIG. 4 is a schematic front plan 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 light guide of the present invention.
FIG. 8 is a schematic diagram of the pattern of light generated by light emission without the light guide according to the present invention.
FIG. 9 is a schematic diagram of the pattern of light produced by the light emitted when the light guide is provided in accordance with the present invention.
FIG. 10 is a graph illustrating a light intensity distribution curve of light emitted without a light guide according to an embodiment of the present invention.
FIG. 11 is a graph showing the distribution of light intensity when a light guide is installed according to an embodiment of the present invention.
FIG. 12 is a schematic view of a second circular COB light emitter according to an embodiment of the present invention in a position on a support plate
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 diagram illustrating a light intensity distribution curve of light emitted without a light guide according to a second embodiment of the present invention.
Fig. 16 is a diagram illustrating a light intensity distribution curve of light emitted when a light guide is provided according to a 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 lamp embodiment of the present invention.
Fig. 19 is an exploded view of a third embodiment of the lamp of 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 second embodiment of the present invention.
Fig. 22 is a schematic view of ventilation and heat dissipation of an air duct in the third embodiment of the lamp of the present invention.
FIG. 23 is a schematic view of a third embodiment of a luminaire of the present invention having a second through-hole for draining standing water.
Fig. 24 is a schematic position diagram of a connection plate in a third embodiment of the lamp according to the present invention.
Fig. 25 is a schematic position diagram of an upper limit plate and a lower limit plate in a 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 in a third embodiment of the lamp according to the present invention.
Fig. 28 is a schematic structural diagram of a single heat pipe heat sink in the third embodiment of the lamp according to the present invention.
Fig. 29 is a schematic structural view of a third embodiment of the 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 diagram 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 in a third embodiment of the lamp according to 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 according to the present invention.
Fig. 35 is a schematic structural diagram of a light shielding cap in the third embodiment of the lamp of the present invention.
Fig. 36 is a schematic structural view of a fastener in a third embodiment of the lamp 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 invention provides a lamp and a method for eliminating the light distribution defects of a plurality of COB light sources and a reflector cup, solves the technical problem that the circular COB luminous body is combined in the reflector cup to generate the light distribution defects in the prior art, and realizes the technical effect of light type balance.
In order to solve the above problems, the technical solution in the embodiments of the present invention has the following general idea: 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, a first embodiment of the lamp and the method for eliminating light distribution depression of a plurality of COB light sources and reflector cups according to the present invention is shown. The lamp of the present invention comprises: 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.
According to the method for eliminating the light distribution depressions of the COB light sources and the reflector cups, the light guide 4 is additionally arranged among the four circular COB light-emitting bodies 3, the sum S2+ S3+ S4+ S5 of the areas of the four reflecting surfaces 43 of the light guide 4 is larger than the bottom missing area S1 among the four circular COB light-emitting bodies 3, and the light distribution angle A2 of the light guide 4 is smaller than the light outlet angle A1 of the reflector cups 2. The specific light distribution effect is obtained by comparison: fig. 8 is a diagram showing the effect of the light pattern 7 emitted by the lamp of the present invention without adding the light guide 4, and fig. 9 is a diagram showing the effect of the light pattern 7 emitted by the lamp of the present invention with the light guide 4; fig. 10 is a schematic view of a light intensity distribution curve obtained by a conventional TracePro optical simulation software for a lamp without the light guide 4 of the present embodiment, and fig. 11 is a schematic view of a light intensity distribution curve obtained by a conventional TracePro optical simulation software for a lamp with the light guide 4 of the present embodiment. The light intensity unit cd. The lamp effectively eliminates the defect of light distribution. 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, a second embodiment of the lamp for eliminating the light distribution depression of the COB light sources and the reflector 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 recess 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 emitters 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 a conventional TracePro optical simulation software of a lamp without the light guide of the present embodiment of the present invention, and fig. 16 is a schematic view of a light intensity distribution curve obtained by a conventional TracePro optical simulation software of a lamp with the light guide of the present embodiment. For other parts, please refer to the first embodiment of the present invention.
Referring to fig. 17 to 36, a third embodiment of the lamp for eliminating the light distribution depression of the COB light sources and the reflector cup of the present invention is shown. The reflecting cup of the invention is a combined reflecting cup, comprising: 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 lamp provided by the embodiment of the invention is applied outdoors, and light emitted by the light source irradiates light outwards under the reflection action of the first reflector 23 on the cup wall of the inner cup 22. 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. For other parts, please refer to the first embodiment of the present invention.
Although specific embodiments of the invention have been described above, 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 appended claims.
Claims (10)
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.
10. A method for eliminating light distribution defects of a plurality of COB light sources and a reflector cup is characterized by comprising the following steps:
s1, fixedly arranging a light guide at the center of a supporting plate, uniformly arranging at least three circular COB (chip on board) luminous bodies around the light guide, wherein the bottom surface of the light guide is larger than the top surface of the light guide, a reflecting surface is arranged between the bottom surface and the top surface, the reflecting surfaces are in one-to-one correspondence with the circular COB luminous bodies, the sum of the areas of the reflecting surfaces is larger than the bottom missing area between the circular COB luminous bodies, and the light distribution angle of the light guide is smaller than the light outlet angle of a reflector cup;
s2, will the backup pad set firmly in the rear end of anti-light cup, circular COB luminous body with the light guide all is located the inside of anti-light cup.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010196000.9A CN111365693B (en) | 2020-03-19 | 2020-03-19 | Lamp capable of eliminating light distribution defects of multiple COB light sources and reflective cups and method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010196000.9A CN111365693B (en) | 2020-03-19 | 2020-03-19 | Lamp capable of eliminating light distribution defects of multiple COB light sources and reflective cups and method thereof |
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| CN111365693A true CN111365693A (en) | 2020-07-03 |
| CN111365693B CN111365693B (en) | 2024-02-06 |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020093820A1 (en) * | 1999-08-04 | 2002-07-18 | Pederson John C. | Led reflector |
| JP2012009356A (en) * | 2010-06-25 | 2012-01-12 | Stanley Electric Co Ltd | Lamp for vehicle |
| CN102466159A (en) * | 2010-11-08 | 2012-05-23 | Lg伊诺特有限公司 | Lighting apparatus |
| DE102012207461A1 (en) * | 2011-05-05 | 2012-11-08 | ledboss UG (haftungsbeschränkt) | LED light module |
| CN202613102U (en) * | 2012-02-24 | 2012-12-19 | 陈祖德 | Candle lamp |
| CN103925564A (en) * | 2014-04-30 | 2014-07-16 | 江门市江海区宝之蓝科技照明有限公司 | COB light source structure high luminous efficacy and good in heat dissipation performance |
| JP2014165020A (en) * | 2013-02-25 | 2014-09-08 | Toshiba Lighting & Technology Corp | Lighting fixture |
| CN204201689U (en) * | 2014-08-25 | 2015-03-11 | 赵斌 | A kind of modularized limit emitting diode (LED) Down lamp |
| CN205535432U (en) * | 2016-03-24 | 2016-08-31 | 安徽湛蓝光电科技有限公司 | Large -power LED (light -emitting diode) mining lamp |
| CN211976829U (en) * | 2020-03-19 | 2020-11-20 | 福建中科芯源光电科技有限公司 | Lamp for eliminating light distribution defects of multiple COB light sources and reflection cup |
-
2020
- 2020-03-19 CN CN202010196000.9A patent/CN111365693B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020093820A1 (en) * | 1999-08-04 | 2002-07-18 | Pederson John C. | Led reflector |
| JP2012009356A (en) * | 2010-06-25 | 2012-01-12 | Stanley Electric Co Ltd | Lamp for vehicle |
| CN102466159A (en) * | 2010-11-08 | 2012-05-23 | Lg伊诺特有限公司 | Lighting apparatus |
| DE102012207461A1 (en) * | 2011-05-05 | 2012-11-08 | ledboss UG (haftungsbeschränkt) | LED light module |
| CN202613102U (en) * | 2012-02-24 | 2012-12-19 | 陈祖德 | Candle lamp |
| JP2014165020A (en) * | 2013-02-25 | 2014-09-08 | Toshiba Lighting & Technology Corp | Lighting fixture |
| CN103925564A (en) * | 2014-04-30 | 2014-07-16 | 江门市江海区宝之蓝科技照明有限公司 | COB light source structure high luminous efficacy and good in heat dissipation performance |
| CN204201689U (en) * | 2014-08-25 | 2015-03-11 | 赵斌 | A kind of modularized limit emitting diode (LED) Down lamp |
| CN205535432U (en) * | 2016-03-24 | 2016-08-31 | 安徽湛蓝光电科技有限公司 | Large -power LED (light -emitting diode) mining lamp |
| CN211976829U (en) * | 2020-03-19 | 2020-11-20 | 福建中科芯源光电科技有限公司 | Lamp for eliminating light distribution defects of multiple COB light sources and reflection cup |
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| Publication number | Publication date |
|---|---|
| CN111365693B (en) | 2024-02-06 |
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