CN111623270A - LED light source lamp group and projection lamp - Google Patents
LED light source lamp group and projection lamp Download PDFInfo
- Publication number
- CN111623270A CN111623270A CN202010432049.XA CN202010432049A CN111623270A CN 111623270 A CN111623270 A CN 111623270A CN 202010432049 A CN202010432049 A CN 202010432049A CN 111623270 A CN111623270 A CN 111623270A
- Authority
- CN
- China
- Prior art keywords
- lamp
- lamp bead
- led
- heat dissipation
- light source
- 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.)
- Pending
Links
- 239000011324 bead Substances 0.000 claims abstract description 98
- 230000017525 heat dissipation Effects 0.000 claims abstract description 34
- 239000004020 conductor Substances 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 230000000087 stabilizing effect Effects 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 238000005286 illumination Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000032683 aging Effects 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
-
- 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
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
- F21V19/003—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
- F21V19/0045—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources by tongue and groove connections, e.g. dovetail interlocking means fixed by sliding
-
- 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
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/04—Fastening of light sources or lamp holders with provision for changing light source, e.g. turret
-
- 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
- F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
- F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
-
- 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
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
- F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
-
- 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
- F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
- F21V29/89—Metals
-
- 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
- F21V5/008—Combination of two or more successive refractors along an optical axis
-
- 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
- F21V5/04—Refractors for light sources of lens shape
-
- 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
- F21V5/04—Refractors for light sources of lens shape
- F21V5/045—Refractors for light sources of lens shape the lens having discontinuous faces, e.g. Fresnel lenses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention discloses an LED light source lamp group and a projection lamp, belonging to the technical field of projection, wherein the LED light source lamp group comprises a shell, a lamp bead plate, a plurality of LED lamp beads, a heat dissipation device, a condensing lens and a Fresnel lens; the lamp bead plate is made of heat conducting materials and is fixedly installed in the shell, and the LED lamp beads are installed on the front side of the lamp bead plate; the heat dissipation device is fixedly arranged on the back surface of the lamp bead plate; condensing lens and fresnel lens all install on the shell, and all are located the positive one side of lamp pearl board, and condensing lens is located between lamp pearl board and the fresnel lens, and condensing lens includes body and a plurality of spotlight arch, and spotlight arch and LED lamp pearl one-to-one and spotlight bellied top are provided with lamp pearl groove, and the bellied surface of spotlight is the aspheric surface arc so that the light that is located the LED lamp pearl of lamp pearl inslot and sends is reflected same direction by this surface. The invention has simple structure and reasonable design, and can effectively improve the brightness and quality of the light beam irradiated on the film.
Description
Technical Field
The invention relates to the field of projection equipment, in particular to an LED light source lamp group and a projection lamp.
Background
The projection lamp, also known as a projector, is a device capable of projecting images or videos onto a curtain, and when the projection lamp is used for ordinary illumination, the projection lamp can be widely applied to outdoor lighting projects of lamps in families, offices, schools and entertainment places, and can also be used for creating effects of various lights and projecting required patterns.
A slide projector is one of the projectors, and is operated to irradiate light onto a film to project a picture pattern on the film and to continuously project the picture pattern on the film in the form of a slide.
However, in the existing slide projection lamp, a light source emits a large amount of heat after being used for a long time, and after the heat is accumulated, on one hand, the service life of an LED lamp bead is shortened, and on the other hand, a film is also accelerated to age; in addition, the existing magic sheet type projection lamp has uneven illumination brightness, color temperature and luminous flux at each position and poor accuracy, and is difficult to meet the technical requirements of projection, so that the displayed picture has poor appearance.
Disclosure of Invention
The invention aims to provide an LED light source lamp group and a projection lamp, aiming at the problems of aging of parts, service life damage, uneven illumination of a light source to a film and poor picture impression caused by large heat productivity of a light source of the projection lamp in the prior art.
In order to achieve the purpose, the technical scheme of the invention is as follows:
an LED light source lamp group comprises a shell, a lamp bead plate, a plurality of LED lamp beads, a heat dissipation device, a power supply, a condensing lens and a Fresnel lens; the lamp bead plate is made of heat conducting materials and is fixedly installed in the shell, and the LED lamp beads are installed on the front face of the lamp bead plate; the heat dissipation device is fixedly arranged on the back surface of the lamp bead plate; the power supply is arranged on the shell and is electrically connected with the LED lamp beads and the heat dissipation device; the condensing lens and the Fresnel lens are both arranged on the shell and are positioned on one side of the front surface of the lamp bead plate, and the condensing lens is positioned between the lamp bead plate and the Fresnel lens; the condensing lens comprises a body and a plurality of condensing protrusions arranged on the same side face of the body, the condensing protrusions correspond to the LED lamp beads one to one, lamp bead grooves matched with the LED lamp beads are formed in the top ends of the condensing protrusions, and the surfaces of the condensing protrusions are aspheric arc-shaped, so that light rays emitted by the LED lamp beads in the lamp bead grooves are reflected to the same direction by the surfaces of the condensing protrusions.
As a further limitation of the present invention, the plurality of LED beads are uniformly distributed in a regular polygonal area on the bead plate.
As a further limitation of the present invention, the heat dissipation device includes a heat dissipation fin made of a heat conductive material and a heat dissipation fan, the heat dissipation fin includes a base fixed on the lamp bead plate and a plurality of fins fixed on the base, the heat dissipation fan is fixed on the base, and an airflow direction of the heat dissipation fan is opposite to the fins.
As a further limitation of the present invention, the power supply includes a power transformer and a rectifying and stabilizing device.
As a further limitation of the present invention, the surface of the light-gathering protrusion is parabolic, and the position of the LED lamp bead in the lamp bead groove coincides with the focus of the parabolic surface.
As a further limitation of the present invention, the lamp bead plate is made of copper material.
As a further limitation of the present invention, the heat radiating fins are made of an aluminum material.
As a further limitation of the present invention, the housing is made of metal plate, a paint film is disposed on the surface of the housing, and the lamp bead plate, the power supply, the condensing lens and the fresnel lens are detachably mounted on the housing through bolts or elastic buckle structures.
As a further limitation of the present invention, a thermal grease is disposed between the substrate and the lamp bead plate.
In another aspect, the invention further provides a projection lamp, which includes the LED light source lamp set.
By adopting the technical scheme, firstly, due to the arrangement of the lamp bead plate made of the heat conducting material and the heat dissipation device directly connected with the lamp bead plate, heat emitted by the LED lamp beads can be timely cooled by the heat dissipation device after being transmitted to the lamp bead plate, so that the service life of the LED lamp beads is prevented from being influenced by overhigh temperature of the LED lamp beads, and meanwhile, the luminous power of the LED lamp beads can be improved; in addition, due to the arrangement of the condensing lens and the Fresnel lens, light beams emitted by the LED lamp beads are condensed twice, so that the original light beams with inconsistent and uneven illumination directions are gathered to the same area, and the film in the area can obtain high-brightness and high-quality light beams.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an LED light source lamp set according to the present invention;
FIG. 2 is a side view of an LED light source lamp assembly of the present invention;
fig. 3 is a schematic structural diagram of a condensing lens in an LED light source lamp set according to the present invention.
In the figure, 1-a shell, 2-a lamp bead plate, 21-an LED lamp bead, 3-a heat dissipation device, 31-a heat dissipation fin, 32-a heat dissipation fan, 4-a power supply, 5-a condensing lens, 51-a body, 52-a condensing protrusion, 6-a Fresnel lens and 53-a lamp bead groove.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
It should be noted that in the description of the present invention, the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on structures shown in the drawings, and are only used for convenience in describing the present invention, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the technical scheme, the terms "first" and "second" are only used for referring to the same or similar structures or corresponding structures with similar functions, and are not used for ranking the importance of the structures, or comparing the sizes or other meanings.
In addition, unless expressly stated or limited otherwise, the terms "mounted" and "connected" are to be construed broadly, e.g., the connection may be a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two structures can be directly connected or indirectly connected through an intermediate medium, and the two structures can be communicated with each other. To those skilled in the art, the specific meanings of the above terms in the present invention can be understood in light of the present general concepts, in connection with the specific context of the scheme.
Example one
As shown in fig. 1 and 2, the invention provides an LED light source lamp set, which includes a housing 1, a lamp bead plate 2, a plurality of LED lamp beads 21, a heat dissipation device 3, a power supply 4, a condensing lens 5, and a fresnel lens 6.
Wherein the case 1 is made of a metal sheet, such as an aluminum plate or an iron plate, while the surface of the case 1 is provided with a paint film by means of bake plating to prevent rust. In the present embodiment, the shape of the housing 1 is configured in a rectangular box shape including four side surfaces located in the same circumferential direction, and the other two end surfaces are provided in an open shape.
The lamp bead plate 2 is made of heat conducting materials, such as copper, and the lamp bead plate 2 is fixedly arranged in the shell 1; specifically, in this embodiment, one of the side surfaces (the left side surface as shown in fig. 2) of the housing 1 is provided with a mounting hole, the lamp bead plate 2 is fixed on the side surface by a screw, and the lamp bead plate 2 covers the mounting hole.
The plurality of LED beads 21 are all mounted on the front surface (left side surface as shown in fig. 2) of the bead plate 2; in this embodiment, a plurality of LED beads 21 are uniformly distributed in a regular polygon region on the bead plate 2; in this embodiment, the plurality of LED beads 21 are distributed in a form of a plurality of groups of bead groups, each group of bead groups occupies a sub-region on the regular polygon region, for example, the sub-region may be a triangular region formed by a central point of the regular polygon region and two end points of any side of the regular polygon.
Even in another embodiment, can also be detachable with each above-mentioned triangle-shaped regional setting that constitutes regular polygon, two adjacent triangle-shaped regions are through draw-in groove dop structure or tenon fourth of the twelve earthly branches structural connection, so conveniently change and maintain damaged LED lamp pearl.
The heat dissipation device 3 is fixedly arranged on the back surface of the lamp bead plate 2 and used for dissipating heat for the lamp bead plate 2; in the present embodiment, the heat sink 3 includes a heat dissipating fin 31 and a heat dissipating fan 32 made of a heat conductive material.
The radiating fins 31 comprise a base body fixed on the lamp bead plate 2 and a plurality of fins fixed on the base body, the base body and the fins are integrally formed and made of aluminum materials; the substrate is a plate and is fixed on the back of the lamp bead plate 2 through a screw; the fins are in a sheet shape, the fins are vertically arranged on the back surface of the base body, and the fins are arranged in one row or multiple rows at intervals.
The heat dissipation fan 32 is fixed on the base body through a screw or a snap structure, and the airflow of the heat dissipation fan 32 is directed to the fins. Therefore, during the use, the heat that LED lamp pearl sent at first transmits for lamp pearl board 2, and lamp pearl board 2 transmits the heat for base member and fin again, blows the air current by radiator fan 32 again and cools down the fin to can effectually prevent that the ageing and the impaired condition in life-span of the high temperature of LED lamp pearl from taking place.
In another embodiment, in order to improve the heat exchange efficiency and effect between the lamp bead plate 2 and the heat dissipation device 3, a heat dissipation paste is disposed between the substrate and the lamp bead plate 2. The heat dissipation paste can ensure that virtual contact does not exist between the base body and the lamp bead plate 2, so that the contact surface between the base body and the lamp bead plate is ensured, and the heat conduction effect is improved.
The power supply 4 is arranged on the shell 1, and the power supply 4 is electrically connected with the LED lamp beads and the heat dissipation device 3. In the present embodiment, the power supply 4 includes a power supply case, and a power transformer and a rectifying and stabilizing device installed in the power supply case. Wherein, the power supply box is made of aluminum section; the power supply box is fixed on the other side surface (the right side surface shown in fig. 2) of the housing 1 by screws; the power transformer is manufactured according to the input and output voltages; the rectifying and stabilizing device is typically a rectifier. An LED driving circuit is also typically included to convert the ac voltage from the power supply 4 to a constant current, and to match the voltage and current of the LEDs as required by the LED device.
The condensing lens 5 and the Fresnel lens 6 are both mounted on the housing 1, the condensing lens 5 and the Fresnel lens 6 are both located on the front side of the lamp bead plate 2, and the condensing lens 5 is located between the lamp bead plate 2 and the Fresnel lens 6. It is understood that the condenser lens 5 condenses the light beam for the first time, and the fresnel lens 6 condenses the light beam for the second time. In this embodiment, in order to conveniently disassemble and assemble the condensing lens 5 and the fresnel lens 6, the condensing lens 5 and the fresnel lens 6 are detachably mounted on the housing 1 through a bolt or an elastic buckle structure, more specifically, the condensing lens 5 and the fresnel lens 6 are both mounted on a frame, and the frame is detachably mounted on the housing 1 through a bolt or an elastic buckle structure.
In the present embodiment, the condenser lens 5 includes a body 51 and a plurality of condenser protrusions 52 disposed on the same side of the body 51. The body 51 and the light-gathering projection 52 are made of glass or other transparent materials, and the body 51 and the light-gathering projection 52 are integrally formed. In addition, the light focusing protrusions 52 correspond to the LED lamp beads 21 one by one, the top end of each light focusing protrusion 52 is provided with a lamp bead groove 53 matched with the LED lamp bead 21, and the LED lamp beads 21 are positioned in the lamp bead grooves 53 when the LED lamp beads are used; moreover, the surface 54 of the light-gathering protrusion 53 is aspheric arc-shaped so that the light emitted from the LED lamp bead 21 in the lamp bead groove 53 is reflected to the same direction by the surface 54 of the light-gathering protrusion, thereby implementing the light-gathering operation, as shown in fig. 3.
For example, the surface 54 of the light-gathering protrusion 52 may be parabolic, and the position of the LED lamp bead 21 in the lamp bead groove 53 coincides with the focus of the paraboloid, so that the light emitted by the LED lamp bead 21 is transmitted into the light-gathering protrusion 52, and enters the parabolic surface 54, and then is reflected in parallel, thereby achieving the light-gathering effect without a light source to an ordered light source.
When the LED lamp is used, after the power supply is switched on, the LED lamp beads 21 emit light, and light beams of the LED lamp beads are converged into parallel light through the condensing lens 5; then, the Fresnel lens 6 gathers the light beams for the second time, so that the light beams can obtain a better gathering effect, the film can obtain better illumination brightness and higher illumination quality, the problem of uneven illumination is avoided, and the impression effect of a projection picture is improved; on the other hand, the heat that sends in the working process of LED lamp pearl 21 is after transmitting for lamp pearl board 2, and lamp pearl board 2 transmits the heat for base member and fin again, is blown the air current by radiator fan 32 again and is cooled down the fin, and carries with the thermal air current of fin then from two open ports of casing 1 outflow to the ageing and impaired condition of life-span that the high temperature that can effectually prevent LED lamp pearl causes takes place.
Example two
The invention also provides a projection lamp which comprises the LED light source lamp group. Of course, a typical projection lamp also includes a light box, a film roll mechanism mounted on the light box, and various types of optical lenses.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and the scope of protection is still within the scope of the invention.
Claims (10)
1. An LED light source banks which characterized in that: the LED lamp comprises a shell, a lamp bead plate, a plurality of LED lamp beads, a heat dissipation device, a power supply, a condensing lens and a Fresnel lens; the lamp bead plate is made of heat conducting materials and is fixedly installed in the shell, and the LED lamp beads are installed on the front face of the lamp bead plate; the heat dissipation device is fixedly arranged on the back surface of the lamp bead plate; the power supply is arranged on the shell and is electrically connected with the LED lamp beads and the heat dissipation device; the condensing lens and the Fresnel lens are both arranged on the shell and are positioned on one side of the front surface of the lamp bead plate, and the condensing lens is positioned between the lamp bead plate and the Fresnel lens; the condensing lens comprises a body and a plurality of condensing protrusions arranged on the same side face of the body, the condensing protrusions correspond to the LED lamp beads one to one, lamp bead grooves matched with the LED lamp beads are formed in the top ends of the condensing protrusions, and the surfaces of the condensing protrusions are aspheric arc-shaped, so that light rays emitted by the LED lamp beads in the lamp bead grooves are reflected to the same direction by the surfaces of the condensing protrusions.
2. The LED light source bank of claim 1, wherein: the LED lamp beads are uniformly distributed in the regular polygon area on the lamp bead plate.
3. The LED light source bank of claim 1, wherein: the heat dissipation device comprises heat dissipation fins and heat dissipation fans, wherein the heat dissipation fins are made of heat conduction materials, the heat dissipation fins comprise a base body fixed on the lamp bead plate and a plurality of fins fixed on the base body, and the heat dissipation fans are fixed on the base body and are opposite to the fins in the air flow direction.
4. The LED light source bank of claim 1, wherein: the power supply comprises a power transformer and a rectification stabilizing device.
5. The LED light source bank of claim 1, wherein: the surface of the light-gathering protrusion is parabolic, and the position of the LED lamp bead in the lamp bead groove is coincided with the focus of the paraboloid.
6. The LED light source bank of claim 1, wherein: the lamp bead plate is made of copper materials.
7. The LED light source bank of claim 3, wherein: the heat radiating fins are made of aluminum material.
8. The LED light source bank of claim 1, wherein: the shell is made by the metal sheet, the surface of shell is provided with the paint film, the lamp pearl board the power the condensing lens and the fresnel lens all install through bolt or elasticity buckle structure detachable on the shell.
9. The LED light source bank of claim 3, wherein: and a heat dissipation paste is arranged between the base body and the lamp bead plate.
10. A projection lamp, characterized by: comprising a set of LED light sources according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010432049.XA CN111623270A (en) | 2020-05-20 | 2020-05-20 | LED light source lamp group and projection lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010432049.XA CN111623270A (en) | 2020-05-20 | 2020-05-20 | LED light source lamp group and projection lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111623270A true CN111623270A (en) | 2020-09-04 |
Family
ID=72269963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010432049.XA Pending CN111623270A (en) | 2020-05-20 | 2020-05-20 | LED light source lamp group and projection lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111623270A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112162454A (en) * | 2020-09-28 | 2021-01-01 | 狄氏光电科技(苏州)有限公司 | Outdoor LED projection lamp |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009003186A (en) * | 2007-06-21 | 2009-01-08 | Olympus Corp | Luminaire |
| CN207179349U (en) * | 2017-08-08 | 2018-04-03 | 莆田市涵江区怡佳电子有限公司 | A kind of LED automatic projection lamps for being beneficial to radiating |
| CN207179391U (en) * | 2017-09-26 | 2018-04-03 | 沈浩 | A kind of LED color digitals spotlight |
| CN209705843U (en) * | 2019-06-12 | 2019-11-29 | 上海独钓电子科技有限公司 | A kind of LED projection lamp source |
| CN212005327U (en) * | 2020-05-20 | 2020-11-24 | 上海星迅电气有限公司 | LED light source lamp group and projection lamp |
-
2020
- 2020-05-20 CN CN202010432049.XA patent/CN111623270A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009003186A (en) * | 2007-06-21 | 2009-01-08 | Olympus Corp | Luminaire |
| CN207179349U (en) * | 2017-08-08 | 2018-04-03 | 莆田市涵江区怡佳电子有限公司 | A kind of LED automatic projection lamps for being beneficial to radiating |
| CN207179391U (en) * | 2017-09-26 | 2018-04-03 | 沈浩 | A kind of LED color digitals spotlight |
| CN209705843U (en) * | 2019-06-12 | 2019-11-29 | 上海独钓电子科技有限公司 | A kind of LED projection lamp source |
| CN212005327U (en) * | 2020-05-20 | 2020-11-24 | 上海星迅电气有限公司 | LED light source lamp group and projection lamp |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112162454A (en) * | 2020-09-28 | 2021-01-01 | 狄氏光电科技(苏州)有限公司 | Outdoor LED projection lamp |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1159563B1 (en) | Luminaire | |
| US9103540B2 (en) | High efficiency LED lighting system with thermal diffusion | |
| EP0869388B1 (en) | Projection display having light source | |
| KR20090013011A (en) | High-power light emitting diode(led) street lamp and body frame thereof | |
| CN114578637A (en) | Projection device | |
| KR20090006720A (en) | High-power light emitting diode(led) street lamp and body frame thereof | |
| JP6196330B2 (en) | Lamp device | |
| US9249966B1 (en) | High efficiency SSL thermal designs for traditional lighting housings | |
| CN212005327U (en) | LED light source lamp group and projection lamp | |
| WO2012075774A1 (en) | Led lamp and led illumination apparatus | |
| CN111623270A (en) | LED light source lamp group and projection lamp | |
| CN212005328U (en) | LED light source composite structure and projection lamp with high-efficient heat dissipation function | |
| CN111520644A (en) | LED light source composite structure and projection lamp with high-efficient heat dissipation function | |
| JP2004355869A (en) | Light emitting diode illumination device | |
| KR20120005974U (en) | Assembling structure of the illuminators for medical usage | |
| TWM509316U (en) | Modular LED lamp and LED lighting apparatus | |
| JP2010251191A (en) | Projector | |
| CN214041963U (en) | General bayonet spotlight | |
| CN218409816U (en) | High-power LED light source | |
| CN217030921U (en) | High-power LED linear light source | |
| CN221004821U (en) | Lighting system and lighting device | |
| CN114217498B (en) | LCD projector illumination system and LCD projector | |
| CN214041962U (en) | Universal bayonet three-color spotlight | |
| CN219588797U (en) | LED imaging lamp of focusing device | |
| CN214278599U (en) | Projector with double light sources and double light tubes |
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 | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20230711 Address after: 201400 floor 5, building 11, No. 6055, Jinhai highway, Fengxian District, Shanghai Applicant after: Shanghai Xingxun Technology Co.,Ltd. Address before: 200241 Room 355, Building 3, No. 1800, Jiangchuan Road, Minhang District, Shanghai Applicant before: SHANGHAI XINGXUN ELECTRIC Co.,Ltd. |