CN111365693B - Lamp capable of eliminating light distribution defects of multiple COB light sources and reflective cups and method thereof - Google Patents
Lamp capable of eliminating light distribution defects of multiple COB light sources and reflective cups and method thereof Download PDFInfo
- Publication number
- CN111365693B CN111365693B CN202010196000.9A CN202010196000A CN111365693B CN 111365693 B CN111365693 B CN 111365693B CN 202010196000 A CN202010196000 A CN 202010196000A CN 111365693 B CN111365693 B CN 111365693B
- Authority
- CN
- China
- Prior art keywords
- plate
- cup
- light
- light guide
- cob
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000009826 distribution Methods 0.000 title claims abstract description 47
- 230000007547 defect Effects 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title abstract description 12
- 239000000758 substrate Substances 0.000 claims description 13
- 238000003825 pressing Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000005034 decoration Methods 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 2
- 241001465382 Physalis alkekengi Species 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 11
- 230000017525 heat dissipation Effects 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004020 luminiscence type Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 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
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention provides a lamp for eliminating light distribution defects of a plurality of COB light sources and a light reflecting cup and a method thereof, wherein the lamp comprises a supporting plate fixedly arranged at the rear end of the light reflecting cup; the round COB luminous body is fixedly arranged on the supporting plate; the light guide is fixedly arranged on the supporting plate; at least three circular COB luminous bodies are uniformly arranged around the light guide, and the circular COB luminous bodies and the light guide are positioned in the reflective cup; 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 correspond to the circular COB luminous bodies one by one, 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 emitting angle of the reflecting cup. The invention has the advantages that: by additionally arranging the light guide among more than three circular COB luminous bodies, the problem of light distribution defect under small luminous angles is effectively solved; the light distribution effect is high, the structure of the light guide is simple, and the manufacturing cost is low.
Description
[ field of technology ]
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 reflecting cups.
[ background Art ]
In the ultra-large power direction, such as kilowatt level, the development of a single circular COB illuminant cannot infinitely expand the luminous area due to the influence of heat or equipment, and the luminous angle of the ultra-large luminous area is more than 30 degrees, and the luminous intensity is weak when the luminous angle is large. Therefore, a combined light source is inevitably used, and when more than two circular COB light emitters are combined and arranged in the light reflecting cup to perform light distribution, the problem of defective light type can occur for a small light emitting angle, and refer to fig. 8. The prior solving method comprises the following steps: 1. the front end of the reflecting cup is provided with a lens, 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, and the manufacturing of the large lens is difficult and has high cost; 2. a light source is added in the middle of the circular COB luminous body, but the light source is a special-shaped light source, and the special-shaped light source is difficult to manufacture and unbalanced with the surrounding circular COB luminous bodies; 3. the combined circular COB luminous body is replaced by other square and special-shaped COB luminous bodies, but the conditions of light type deficiency and plumpness can also occur, and the manufacturing process is difficult to realize.
[ 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 reflecting cups, and the lamp and the method are used for eliminating the light distribution defects.
The invention is realized in the following way: a lamp for eliminating light distribution defects of a plurality of COB light sources and a reflecting cup, comprising:
the support 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;
at least three circular COB luminous bodies are uniformly arranged around the light guide, and the circular COB luminous bodies and the light guide are both positioned in the reflective cup; 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 emergent angle of the reflecting cup.
Further, the bottom side frame of the light guide is matched with the circular arc side frame of the circular COB luminous body.
Further, the light guide has a pyramid shape.
Further, a threaded hole is penetrated between 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 light reflecting cup is a combined light reflecting cup, comprising:
an outer cup which is sleeved with the inner cup;
the first reflecting sheet is laid on the 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 channel is arranged between the outer cup and the inner cup, the first reflecting sheet is fixedly provided with an upper limit plate and a lower limit plate, and the upper limit plate and the lower limit plate are propped 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 is all located the inside of interior cup.
Further, still include clamp plate and first waterproof circle, the clamp plate set firmly in interior cup with between the front end of outer cup, first waterproof circle with the front end fixed connection of interior cup, first waterproof circle has set firmly the glass board.
Further, the outer cup is provided with a second through hole.
Further, still include heat collecting plate, waterproof fixed plate and second waterproof circle, the backup pad with heat collecting plate fixed connection, waterproof fixed plate set firmly in the front center of heat collecting plate, the backup pad is located waterproof fixed plate's hollow position, the second waterproof circle set firmly in the heat collecting plate with between the rear end of inner cup.
Further, 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 reflecting cups comprises the following steps:
s1, fixedly arranging a light guide at the center of a supporting plate, uniformly arranging at least three circular COB light emitters 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 light emitters, the sum of the areas of the reflecting surfaces is larger than the bottom missing area between the circular COB light emitters, and the light distribution angle of the light guide is smaller than the light emitting angle of a reflecting cup;
s2, fixing the supporting plate at the rear end of the reflecting cup, wherein the round COB luminous body and the light guide are both positioned in the reflecting cup.
The invention has the advantages that: the problem of light distribution defect is effectively solved by additionally arranging the light guide among more than three circular COB luminous bodies; 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 conduct heat emitted by the light source more rapidly, can divide the heat emitted by each part of the light source or step by step, prolong the service life of the light source, have a drainage function, and the shading cap can effectively prevent glare.
[ description of the drawings ]
The invention will be further described with reference to examples of embodiments with reference to the accompanying drawings.
Fig. 1 is a schematic perspective view of a first embodiment of a lamp of the present invention.
Fig. 2 is a schematic plan half-sectional view of a first embodiment of the lamp of the present invention.
Fig. 3 is a schematic view illustrating a position of a circular COB illuminant on a support plate according to an embodiment of the 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 cross-sectional view taken along A-A of fig. 5.
Fig. 7 is a schematic perspective view of a first embodiment of a light guide according to the present invention.
Fig. 8 is a schematic view of the light pattern generated by the luminescence without the light guide.
Fig. 9 is a schematic view of the light pattern generated by the luminescence when the light guide is provided in the present invention.
FIG. 10 is a graph showing the luminous intensity distribution of the light emitted when the light guide is not provided in the embodiment of the invention.
FIG. 11 is a schematic diagram showing a light intensity distribution curve of light emitted when the light guide is disposed according to the first embodiment of the present invention.
FIG. 12 is a schematic view showing the position of a two-round COB light emitter on a support plate according to an embodiment of the 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 diagram of a light intensity distribution curve of light emitted when the light guide is not provided in the second embodiment of the present invention.
Fig. 16 is a schematic diagram of a light intensity distribution curve of light emitted when the light guide is provided in 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 a luminaire 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 installation diagram of a support plate and a heat collecting plate in a 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 diagram 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 second through hole for draining accumulated water in a third embodiment of the lamp of the present invention.
Fig. 24 is a schematic view of the position of the connecting plate in the third embodiment of the lamp of the present invention.
Fig. 25 is a schematic diagram of the positions of an upper limiting plate and a lower limiting 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 a third embodiment of the lamp of the present invention.
Fig. 27 is a schematic perspective view of a radiator in a third embodiment of the lamp of the present invention.
Fig. 28 is a schematic structural view of a single heat pipe fin in a third embodiment of the lamp of 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 disposed around.
Fig. 30 is a schematic structural view of a heat pipe support block in a third embodiment of the lamp of the present invention.
Fig. 31 is a schematic plan front view of a radiator in 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 diagram of ventilation and heat dissipation of a radiator in a third embodiment of the lamp of the present invention.
Fig. 35 is a schematic structural view of a shade cap in a 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 marks in the figure: 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 sheet 23, the upper limit plate 231, the lower limit 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 illuminant 3, the light guide 4, the bottom surface 41, the top surface 42, the reflector surface 43, the threaded hole 44, the positioning hole 45, the radiator 5, the first substrate 51, the second substrate 52, the heat pipe radiating sheet 53, the honeycomb hole 531, 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 shade cap 6, the ring frame 61, the fastener 62, the base 621, the support pipe 622, the pad 623, the buckle 624, the hook 625, the rear end shade 63, the slide hole 631, the angle adjusting plate 64, the front end shade 65, the second reflector sheet 66, the decorative ring 67, the air outlet 671, the light type 7.
[ detailed description ] of the invention
The embodiment of the invention solves the technical problem that the light distribution defect is generated in the reflector cup by combining the round COB light emitters in the prior art by providing the lamp and the method for eliminating the light distribution defect of the plurality of COB light sources and the reflector cup, and realizes the technical effect of light type equalization.
The technical scheme in the embodiment of the invention aims to solve the problems, and the overall thought is as follows: by additionally arranging light guides among more than three circular COB light emitters, the circular COB light emitters and the light guides are positioned in the reflective cup; 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 emergent angle of the reflecting cup.
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 11, a lamp and a method for eliminating light distribution recesses of a plurality of COB light sources and reflector cups according to an embodiment of the invention are provided. The lamp of the present invention includes: the support 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 aluminium material backup pad, specifically is mirror surface aluminum plate, and reflection of light effect is good, and light efficiency is high after the light source is lighted. The supporting plate 1 is fixed with the connecting plate 11 by using the 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 assemble and disassemble; the connecting plate 11 is made of bakelite material 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 positioned in the reflective cup 2; the bottom surface 41 of the light guide 4 is larger than the top surface 42 thereof, a reflecting surface 43 is arranged between the bottom surface 41 and the top surface 42, and the reflecting surfaces 43 are in one-to-one correspondence with the circular COB luminous bodies 3. The sum of the areas of the reflecting surfaces 43 is larger than the bottom missing area between the circular COB luminous bodies 3, namely the area which cannot be intersected in the middle of the circular COB luminous bodies which are arranged in a surrounding mode. As shown in fig. 3 and 4, the bottom missing area between the four circular COB light emitters 3 is S1, that is, the areas of the four light reflecting surfaces 43 are S2, S3, S4, S5, respectively, and s2+s3+s4+s5 > S1. The light distribution angle θ2 of the light guide 4 is smaller than the light emergent angle of the reflector cup 2, and if the area light emission of the light source is changed, the light emergent angle of the reflector cup 2 after the light source is lighted will also be changed.
In this embodiment, the circular diameter D of the circular COB light emitter 3 is 50mm, the edge spacing L of the adjacent circular COB light emitters is 6mm, and the missing bottom area S1 is 1963.5mm 2 S2+S3+S4+S5 is 4554mm 2 The method comprises the steps of carrying out a first treatment on the surface of the The light emergent 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 generated light distribution effect is better. Considering that the safety distance is, for example, 1.8mm, the bottom surface area of the light guide 4 is slightly smaller than the bottom missing area S1, and the hatched portion in fig. 3 is the bottom surface installation schematic position of the light guide 4 of the present embodiment. The circular COB luminous bodies 3 are COB luminous bodies packaged by fluorescent ceramics, and four circular COB luminous bodies are used as light sources. The reflector cup 2 is a single reflector cup. The light guide 4 is made of metal, the reflecting surface 43 of the light guide 4 is polished by a metal surface, the reflecting surface 43 cannot have the phenomena of scraping and water lines, and no miscellaneous points, yellowing, scratch and the like are caused. A threaded hole 44 is penetrated 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 positioning pins on the support plate 1, and the light guide 4 is fixedly connected with bolts on the support plate 1 through threaded holes 44.
According to the method for eliminating the light distribution depressions of the plurality of COB light sources and the light reflecting cups, the light guide 4 is additionally arranged among the four circular COB light emitters 3, the sum S2+S3+S4+S5 of the areas of the four light reflecting surfaces 43 of the light guide 4 is larger than the bottom missing area S1 among the four circular COB light emitters 3, and the light distribution angle A2 of the light guide 4 is smaller than the light emitting angle A1 of the light reflecting cup 2. The specific light distribution effect is achieved by comparison: fig. 8 is a graph 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 graph 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 diagram of a light intensity distribution curve obtained in the conventional TracePro optical simulation software of a lamp without the light guide 4 according to the present embodiment, and fig. 11 is a schematic diagram of a light intensity distribution curve obtained in the conventional TracePro optical simulation software of a lamp with the light guide 4 according to the present embodiment. Light intensity unit cd. The lamp effectively eliminates the light distribution defect. The light distribution defect is due to the intensity of light at the center formed between the plurality of COB luminophores; after the light guide is added, the light rays emitted by the COB luminous body change the reflection route, so that the light intensity at the center position is increased, and the central light distribution defect is overcome.
Referring to fig. 12 to 16, a second embodiment of the lamp for eliminating light distribution recesses of a plurality of COB light sources and a reflector cup according to 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 less than or equal to 35mm, and the light guide 4 can be in a pyramid shape; as shown in fig. 12, a hatched portion in the drawing is a bottom surface mounting schematic position of the light guide 4 of the present embodiment; there are four circular COB luminous bodies 3, the diameter D of the circular COB luminous bodies 3 is 35mm, and the shape of the light guide 4 is a rectangular pyramid shape. The manufacture of the light guide 4 is simpler and more convenient, and the light distribution recess is effectively eliminated under the condition that 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 luminous bodies 3, and the light distribution angle theta of the light guide 4 is smaller than the light emergent angle of the reflecting cup 2. Fig. 15 is a schematic diagram of a light intensity distribution curve obtained in the conventional TracePro optical simulation software of a lamp without the light guide according to the present embodiment of the present invention, and fig. 16 is a schematic diagram of a light intensity distribution curve obtained in the conventional TracePro optical simulation software of a lamp with the light guide according to the present embodiment of the present invention. For other undescribed portions, refer to the first embodiment of the invention.
Referring to fig. 17 to 36, a third embodiment of the lamp for eliminating light distribution recesses of a plurality of COB light sources and reflector cups according to the present invention is shown. The reflecting cup of the invention is a combined reflecting cup, comprising: an outer cup 21 which is sleeved with the inner cup 22; a first reflecting sheet 23 laid on the wall of the inner cup 22; the first reflecting sheet 23 may be a whole sheet or a cone formed by surrounding a plurality of sheets; 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, an air channel is arranged between the outer cup 21 and the inner cup 22, the first reflecting sheet 23 is fixedly provided with an upper limit plate 231 and a lower limit plate 232, and the upper limit plate 231 and the lower limit plate 232 are propped against the cup wall of the inner cup 22; the support plate 1 is fixedly arranged at the rear end of the inner cup 22, and the circular COB luminous body 3 and the light guide 4 are both positioned in the inner 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 lit. The lamp of the embodiment of the invention is applied outdoors, and light emitted by the light source irradiates light outwards under the reflection effect of the first reflecting piece 23 on the wall of the inner cup 22. Because the outdoor air conditioner is used outdoors, heat generated by the light source can be radiated by the ventilating duct under the action of outdoor wind, and the radiating effect is improved; in connection with fig. 22, the arrows in the figure are the direction of the wind.
Still include clamp plate 25 and first waterproof circle 26, clamp plate 25 set firmly in interior cup 22 with between the front end of outer cup 21, clamp plate 25 has a plurality ofly, the equipartition in interior cup 22 with between the front end of outer cup 21, play the effect of connecting interior cup 22 and outer cup 21, improve interior cup 22 and outer cup 21's structural stability. 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 sheet 251, and the first waterproof ring 26 is arranged between the pressing plate 25 and the pressing sheet 251; the arrangement of the pressing piece 251 further stabilizes the first waterproof ring 26.
The outer cup 21 is provided with a second through hole 211. The second through holes 211 are communicated with the ventilation channel, so that heat can be dissipated from the second through holes 211 during heat dissipation; because the air duct is not free from water accumulation in the outdoor use, the second through holes 211 are also convenient for discharging water accumulation in the air duct in combination with fig. 23.
The solar heat collecting device further 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 front center of the heat collecting plate 55, the supporting plate 1 is located 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 related art product, 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 radiating 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 heat collector 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 substrate 51 fixedly connected to the heat collecting plate 55; the second substrate 52 is fixedly connected with the first substrate 51 through a stand column; a heat pipe radiating fin 53 fixedly arranged between the first substrate 51 and the second substrate 52; a heat pipe support block 54 fixedly connected with the heat collecting plate 55; the heat pipe cooling fins 53 are plural and distributed on the first substrate 51 and the second substrate 52 along the circumferential direction, the heat pipe supporting block 54 is provided with plural first heat pipe grooves 541, the heat pipes of the heat pipe cooling fins 53 are disposed in the first heat pipe grooves 541, the back surface of the heat collecting plate 55 is provided with plural second heat pipe grooves 551, 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 conduit, and then is transferred to the heat pipe radiating fin 53 by the heat pipe supporting block 54 for rapid heat radiation; the heat pipe fin 53 has honeycomb holes 531 to enhance the heat dissipation effect. The heat sink 5 is also fixedly connected to the bracket 57.
Referring again to fig. 35 and 36, the light shielding cap 6 includes: a ring frame 61 connected to the outer cup 21 via a fastener 62; the rear end shading plate 63 is fixedly connected with the ring frame 61; an angle adjusting plate 64 fixedly connected to the rear end shade 63; a front end shielding plate 65 fixedly connected to the angle adjusting plate 64; the second reflecting plate 66 is fixedly connected with the rear end shading plate 63. The light-shielding cap 6 has an antiglare effect. The ring frame 61 is also fixedly provided with a decoration ring 67, the decoration ring 67 is also clung to the pressing plate 25, the decoration ring 67 is also provided with air outlet holes 671, and a plurality of air outlet holes 671 penetrate through the pressing plate 25 at corresponding positions to be communicated with the ventilating duct.
The fastener 62 includes: a base 621 fixedly connected to the ring frame 61; a support pipe 622 rotatably connected to the base 621; a pad 623 fixedly connected to the support tube 622; a buckle 624 fixedly connected to the support pipe 622; a hook 625 fixedly connected to the outer cup 21; the rear end 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 is fastened to the fastening hook 625, the pad 623 is abutted against the base 621, the light shielding cap 6 is fixed on the outer cup 21, and when the fastening head 624 is separated from the fastening hook 625, the pad 623 is separated from the base 621, and the light shielding cap 6 can be removed; the detachable connection of the shading cap 6 is realized. For other undescribed portions, refer to the first embodiment of the invention.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that the specific embodiments described are illustrative only and not intended to limit the scope of the invention, and that equivalent modifications and variations of the invention in light of the spirit of the invention will be covered by the claims of the present invention.
Claims (4)
1. The utility model provides an eliminate lamps and lanterns of a plurality of COB light sources and reflector cup grading defect which characterized in that includes:
the support 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;
at least three circular COB luminous bodies are uniformly arranged around the light guide, and the circular COB luminous bodies and the light guide are both positioned in the reflective cup; 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 emergent angle of the reflecting cup;
the reflection cup is a combined reflection cup, and comprises:
an outer cup which is sleeved with the inner cup;
the first reflecting sheet is laid on the 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 channel is arranged between the outer cup and the inner cup, the first reflecting sheet is fixedly provided with an upper limit plate and a lower limit plate, and the upper limit plate and the lower limit plate are propped against the cup wall of the inner cup;
the support plate is fixedly arranged at the rear end of the inner cup, and the round COB luminous body and the light guide are both positioned in the inner cup;
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;
the outer cup is provided with a second through hole which is communicated with the ventilating duct and used for discharging accumulated water;
the waterproof fixing plate is fixedly arranged in the center of the front face of the heat collecting plate, the supporting plate is positioned at 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;
the radiator is fixedly connected with the heat collecting plate, and the light shielding cap is detachably connected with the outer cup;
the heat sink includes:
the first base plate is fixedly connected with the heat collecting plate;
the second substrate is fixedly connected with the first substrate through an upright post;
the heat pipe radiating fin is fixedly arranged between the first substrate and the second substrate;
the heat pipe supporting block is fixedly connected with the heat collecting plate;
the heat pipe support block is provided with a plurality of first heat pipe grooves, the heat pipes of the heat pipe radiating fins are arranged in the first heat pipe grooves, the back surface of the heat collecting plate is provided with a plurality of second heat pipe grooves, the heat transfer heat pipes are arranged in the second heat pipe grooves, and the back surface of the heat collecting plate is propped against the heat pipe support block;
the light shielding cap includes:
the ring frame is connected with the outer cup through a fastener;
the rear end light shielding plate is fixedly connected with the ring frame;
the angle adjusting plate is fixedly connected with the rear end shading plate;
the front end shading plate is fixedly connected with the angle adjusting plate;
the second reflecting sheet is fixedly connected with the rear end shading plate;
the ring frame is also fixedly provided with a decoration ring, the decoration ring is also clung to the pressing plate, the decoration ring is also provided with air outlet holes, and a plurality of air outlet holes penetrate through the pressing plate at corresponding positions to be communicated with the ventilating duct.
2. The lamp for eliminating the light distribution defect of the plurality of COB light sources and the reflecting cup as defined in claim 1, wherein the bottom side frame of the light guide is matched with the circular arc side frame of the circular COB luminous body.
3. The lamp for eliminating light distribution defects of a plurality of COB light sources and a reflector cup of claim 1 wherein the light guide has a pyramid shape.
4. The lamp for eliminating the light distribution defect of the plurality of COB light sources and the reflecting cup as set forth in claim 1, wherein a threaded hole is penetrated between the bottom surface of the light guide and the top surface thereof, and a positioning hole is provided on the bottom surface of the light guide.
Priority Applications (1)
| 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 |
Applications Claiming Priority (1)
| 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111365693A CN111365693A (en) | 2020-07-03 |
| CN111365693B true CN111365693B (en) | 2024-02-06 |
Family
ID=71206895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010196000.9A Active 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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111365693B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6367949B1 (en) * | 1999-08-04 | 2002-04-09 | 911 Emergency Products, Inc. | Par 36 LED utility lamp |
-
2020
- 2020-03-19 CN CN202010196000.9A patent/CN111365693B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111365693A (en) | 2020-07-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2010083637A1 (en) | Led light source and led lamp using the same | |
| KR101016923B1 (en) | Led lamp device for streetlight | |
| CN202017914U (en) | LED tubular lamp with column-shaped radiator structure | |
| CN201344429Y (en) | A LED ceiling lamp | |
| CN211976829U (en) | Lamp for eliminating light distribution defects of multiple COB light sources and reflection cup | |
| TWI512232B (en) | Light emitting diode bulb | |
| CN201836828U (en) | LED lamp and adjusting mechanism for adjusting light distribution angle of LED lamp | |
| CN111365693B (en) | Lamp capable of eliminating light distribution defects of multiple COB light sources and reflective cups and method thereof | |
| CN101149135A (en) | Flush type LED lamp | |
| CN101936458A (en) | Wide angle LED illumination luminaire | |
| KR100574840B1 (en) | Floodlight | |
| CN107435870B (en) | The LED area light source shot-light of easy heat radiation | |
| CN207661712U (en) | A kind of lens module for LED optically focused | |
| CN211976627U (en) | Super-power bidirectional heat-conducting fluorescent ceramic COB outdoor lamp | |
| CN212298663U (en) | COB stadium lamps and lanterns | |
| CN210831894U (en) | Heat radiation structure and football court LED lamp | |
| CN209856975U (en) | Far and near light integrated automobile lamp | |
| CN210601090U (en) | Spherical projection lamp | |
| CN220228861U (en) | High-efficient heat dissipation spotlight ceiling lamp | |
| CN215489621U (en) | Quick heat dissipation projecting lamp | |
| TWI604154B (en) | Adjustable light field type patio lights | |
| CN217382732U (en) | Adjustable court anti-dazzle lamp | |
| CN212057027U (en) | Fixed lamp | |
| CN213207706U (en) | Omnidirectional reflection type semiconductor car lamp | |
| CN215637004U (en) | Novel lantern |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |