CN109373238B - Narrow-beam LED projection lamp - Google Patents
Narrow-beam LED projection lamp Download PDFInfo
- Publication number
- CN109373238B CN109373238B CN201811272703.4A CN201811272703A CN109373238B CN 109373238 B CN109373238 B CN 109373238B CN 201811272703 A CN201811272703 A CN 201811272703A CN 109373238 B CN109373238 B CN 109373238B
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- Prior art keywords
- narrow
- lens
- lamp
- fixing plate
- angle
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Classifications
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- 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
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/12—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
-
- 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
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/16—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
- F21V17/164—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting the parts being subjected to bending, e.g. snap joints
-
- 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
-
- 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
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- 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)
- Fastening Of Light Sources Or Lamp Holders (AREA)
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses a narrow-beam LED projection lamp, wherein an LED lamp panel, a lens fixing device and a narrow-beam small-angle lens are arranged in a lamp cavity of the narrow-beam LED projection lamp, the lens fixing device comprises a first plate-shaped lens fixing plate and a second plate-shaped lens fixing plate which are arranged in parallel with the LED lamp panel, the distance between the first lens fixing plate and the root of the narrow-beam small-angle lens is one third of the height of the narrow-beam small-angle lens, the distance between the second lens fixing plate and the root of the narrow-beam small-angle lens is one half of the narrow-beam small-angle lens, and a light hole is formed in the surface of an upper cover. The beneficial effects of the invention are as follows: the LED lamp is convenient to assemble and firm to install, the definition of the LED lamp light is corrected by adopting the cooperation of the two layers of lens fixing plates and the upper cover, glare generated by the LED lamp light is eliminated, a clear light band without scattering is obtained, and the LED lamp has a good attractive effect.
Description
Technical Field
The invention relates to a narrow-beam LED projection lamp, and belongs to the field of outdoor illumination products.
Background
At present, most common LED projection lamps in the market adopt lenses with beam angles of 20 degrees, 45 degrees, 60 degrees, 90 degrees and 120 degrees.
In landscape lighting applications, while a large beam angle may result in a large illumination range of the lamp, the illuminance is correspondingly reduced. For some buildings or objects, the design of the lamp in this way cannot meet the design requirement, so that a narrow-beam LED lamp is needed to meet the market demand.
Disclosure of Invention
The invention aims to provide a narrow-beam LED projection lamp, which solves the problems in the background technology.
The technical scheme of the invention is to provide a narrow-beam LED projection lamp, which comprises a lamp body and an upper cover, wherein the upper cover is arranged above the front surface of the lamp body and is matched with the lamp body to form a lamp cavity, at least one LED lamp panel is arranged in the lamp cavity, and the LED lamp panel is arranged at the upper part of the front surface of the lamp body, and is characterized in that: the LED lamp is characterized in that a lens fixing device and a narrow-beam small-angle lens are further arranged in the lamp cavity, the narrow-beam small-angle lens comprises a root and a protruding portion protruding to one side from the root, the lens fixing device and the narrow-beam small-angle lens are arranged above the LED lamp panel, the lens fixing device comprises a plate-shaped first lens fixing plate and a second lens fixing plate which are arranged parallel to the LED lamp panel, a first through hole capable of allowing the protruding portion of the narrow-beam small-angle lens to penetrate is formed in the first lens fixing plate, a second through hole capable of allowing the protruding portion of the narrow-beam small-angle lens to penetrate is formed in the surface of the second lens fixing plate, the distance between the first lens fixing plate and the root of the narrow-beam small-angle lens is one third of the height of the narrow-beam small-angle lens, and the distance between the second lens fixing plate and the root of the narrow-beam small-angle lens is one half of the height of the narrow-beam small-angle lens.
Preferably, the emergent angle of the narrow-beam small-angle lens is less than 20 degrees.
Preferably, the imaging light shadow of the narrow-beam small-angle lens is an arc with a horizontal angle of 180 degrees, and the polarization angle in the vertical direction is less than 20 degrees.
Preferably, the shape of the narrow-beam small-angle lens is a semicircular cake shape, the root of the narrow-beam small-angle lens is a plane, and the root of the narrow-beam small-angle lens is connected with the LED lamp panel.
Preferably, the first through hole, the second through hole and the light hole are rectangular holes, and the top of the narrow-beam small-angle lens is flush with the top of the light hole.
Preferably, the side part of the lamp body is provided with a groove matched with the edge of the first lens fixing plate and the edge of the second lens fixing plate, and the first lens fixing plate and the second lens fixing plate are clamped with the side part of the lamp body through the groove.
Preferably, the lamp further comprises a lengthwise pressing strip with an L-shaped cross section, the side part of the lamp body is provided with a clamping groove matched with the pressing strip, the transverse edge of the pressing strip is connected with the surface of the second lens fixing plate, and the vertical edge of the pressing strip is clamped with the side part of the lamp body through the clamping groove; the end part of the lamp body is provided with an end cover for sealing the lamp cavity, and the end cover is fixedly connected with the end part of the lamp body through a screw.
Preferably, a bracket for fixing the lamp body on the wall body is arranged on the back of the lamp body, and the bracket is fixedly connected with the lamp body through a fastening screw.
Preferably, the first lens fixing plate and the second lens fixing plate are rectangular organic glass plates, rectangular aluminum plates or rectangular plastic plates.
Preferably, the LED lamp panel and the narrow-beam small-angle lens are arranged on the lamp body, the first lens fixing plate is provided with three first through holes which are arranged at equal intervals and correspond to the narrow-beam lens, the second lens fixing plate is provided with three second through holes which are arranged at equal intervals and correspond to the narrow-beam lens, and the top of the upper cover is provided with three light holes which are arranged at equal intervals and correspond to the narrow-beam lens.
The invention provides a narrow-beam LED projection lamp, which is used as common knowledge in the industry to determine the beam angle of an LED lamp, wherein the angle of the lens can be divided into: narrow angle beam: less than 20 DEG, medium light beam 20 DEG-40 DEG, wide light beam > 40 deg. Therefore, when the lamp is designed, the angle of the LED lens is reasonably selected, and the narrow-beam LED projection lamp with a certain angle can be completely produced. The beneficial effects of the invention are as follows: the inside is joint formula structure, and the equipment is convenient, and the outside passes through screwed connection, and the installation is firm, adopts two-layer lens fixed plate cooperation upper cover to revise the definition of LED light, eliminates the glare that LED light produced, obtains clear no scattering's light area, has better pleasing to the eye effect.
Drawings
Fig. 1 is an outline view of a narrow beam LED projector of the present invention.
FIG. 2 is a partial exploded view of a narrow beam LED projector of the present invention;
wherein, 1 is the lamp body, 2 is the LED lamp plate, 3 is the narrow light beam low angle lens, 4 is first lens fixed plate, 401 is first through-hole, 5 is second lens fixed plate, 501 is the second through-hole, 6 is the layering, 7 is the upper cover, 701 is the light trap, 8 is the end cover, 9 is fastening screw, 10 is the support.
Detailed Description
The following describes the embodiments of the present invention in further detail.
As shown in fig. 1 and 2, the narrow-beam LED floodlight of the present invention comprises a lamp body 1, an LED lamp panel 2, a narrow-beam small-angle lens 3, a first lens fixing plate 4, a second lens fixing plate 5, a pressing strip 6, an upper cover 7, an end cover 8, a fastening screw 9, a bracket 10, and the like. The upper cover 7 is located lamp body 1 front top and forms the lamp chamber with lamp body 1 cooperation, and LED lamp plate 2, first lens fixed plate 4, and lamp intracavity is located to second lens fixed plate 5, narrow light beam low angle lens 3 and layering, and lamp body 1 front upper portion is located to LED lamp plate 2, is located the centre of lamp body 1. The first lens fixing plate 4, the second lens fixing plate 5 and the narrow-beam small-angle lens 3 are arranged above the LED lamp panel 2.
The narrow-beam small-angle lens 3 is made of optical plastic or polymer resin material by curing.
The narrow-beam small-angle lens 3 applied in this embodiment has an exit angle of < 20 °.
The narrow-beam small-angle lens 3 is in a semicircular cake shape, the root 301 of the narrow-beam small-angle lens 3 is a plane, the root 301 of the narrow-beam small-angle lens 3 is connected with the LED lamp panel 2, and the narrow-beam small-angle lens further comprises a protruding portion 302 protruding from the root 301 to one side.
The imaging light shadow of the narrow-beam small-angle lens 3 has a circular arc with a horizontal angle of 180 degrees, a polarized light angle of less than 20 degrees in the vertical direction, and the lens with different polarized light angles is selected to meet the illumination requirements of the light band definition and the object outline of the light projecting area.
The fixing device comprises a first lens fixing plate 4 and a second lens fixing plate 5, the first lens fixing plate 4 and the second lens fixing plate 5 are parallel to the LED light source PCB 2, and the first lens fixing plate 4 and the second lens fixing plate 5 are rectangular organic glass plates. The first lens fixing plate 4 is provided with a first through hole 401 for enabling the narrow-beam small-angle lens 3 to pass through, the second lens fixing plate 5 is provided with a second through hole 501 for enabling the narrow-beam small-angle lens 3 to pass through, the first through hole 401 and the second through hole 501 are rectangular holes, the inner edge outline of each hole is larger than the edge outline of the narrow-beam small-angle lens 3, and the narrow-beam small-angle lens 3 can pass through smoothly. The distance between the first lens fixing plate 4 and the root of the narrow-beam small-angle lens 3 is 1/3 of the height of the narrow-beam small-angle lens 3, the distance between the second lens fixing plate 5 and the root of the narrow-beam small-angle lens is 1/2 of the height of the narrow-beam small-angle lens 3, and the heights of the first lens fixing plate 4 and the second lens fixing plate 5 are set so that the light emergent angle of the narrow-beam small-angle lens 3 can be effectively controlled to be smaller than 20 degrees. The upper cover 7 is provided with a light hole 701 on the surface, and the top of the narrow-beam small-angle lens 3 is flush with the top of the light hole 701.
The side of the lamp body 1 is provided with a groove matched with the edge of the first lens fixing plate 4 and the edge of the second lens fixing plate 5, and the edge of the first lens fixing plate 4 and the second lens fixing plate 5 are clamped with the side of the lamp body 1 through the groove. The side of the lamp body 1 is provided with a clamping groove (not shown) matched with the pressing strip 6, the pressing strip is a strip with an L-shaped cross section, the transverse edge of the pressing strip is connected with the surface of the second lens fixing plate 5, and the vertical edge of the pressing strip 6 is clamped with the side of the lamp body 1 through the clamping groove, so that the second lens fixing plate 5 is firmly fixed at a designated position above the narrow-beam small-angle lens 3, and the upper half part of the narrow-beam small-angle lens 3 is exposed above the second lens fixing plate 5.
The end of the lamp body 1 is provided with an end cover 8 and a screw 9, and the end cover 8 is fixedly connected with the end of the lamp body 1 through the screw 9. The back of the lamp body 1 is provided with a bracket 10 for fixing the lamp body 1 on the surface of a building, and the bracket 10 is fixedly connected with the lamp body 1 through a fastening screw.
The interior of the upper cover 7 can block glare and scattered light inside the lamp cavity, and the light emitted through the light transmission hole 701 is a pure light band. The horizontal direction of the light band is 180 degrees, the vertical direction angle is less than 20 degrees, and the light band without scattered light is clear. The top of the narrow-beam small-angle lens 3 is flush with the top of the light hole 701, so that the cleanness of a light band and the smoothness of four lines are ensured.
Further, the number of the narrow-beam small-angle lenses 3 is 3 or even more, the narrow-beam small-angle lenses are symmetrically and uniformly arranged on the same straight line distance by the center of the LED lamp panel 2, and the number of the first through holes 401, the second through holes 501 and the light holes 701 is 3 correspondingly. This structure can increase the illumination length of the light-transmitting lamp.
The above example is only one embodiment of the present invention, which is described in detail and is not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (6)
1. The utility model provides a narrow light beam LED projecting lamp, its includes lamp body and upper cover, the upper cover is located the positive top of lamp body and is formed the lamp chamber with the lamp body cooperation, be provided with at least one LED lamp plate in the lamp chamber, the positive upper portion of lamp body is located to the LED lamp plate, its characterized in that: the LED lamp is characterized in that a lens fixing device and a narrow-beam small-angle lens are further arranged in the lamp cavity, the narrow-beam small-angle lens comprises a root and a protruding portion protruding to one side from the root, the lens fixing device and the narrow-beam small-angle lens are arranged above the LED lamp panel, the lens fixing device comprises a plate-shaped first lens fixing plate and a plate-shaped second lens fixing plate which are arranged in parallel with the LED lamp panel, a first through hole capable of allowing the protruding portion of the narrow-beam small-angle lens to pass is formed in the first lens fixing plate, a second through hole capable of allowing the protruding portion of the narrow-beam small-angle lens to pass is formed in the surface of the second lens fixing plate, the distance between the first lens fixing plate and the root of the narrow-beam small-angle lens is one third of the height of the narrow-beam small-angle lens, the distance between the second lens fixing plate and the root of the narrow-beam small-angle lens is one half of the height of the narrow-beam small-angle lens, and a light-transmitting hole is formed in the surface of the upper cover;
the light emergent angle of the narrow-beam small-angle lens is smaller than 20 degrees;
the imaging light shadow of the narrow-beam small-angle lens is an arc with a horizontal angle of 180 degrees, and the polarization angle in the vertical direction is less than 20 degrees;
the narrow-beam small-angle lens is semicircular, the root of the narrow-beam small-angle lens is a plane, and the root of the narrow-beam small-angle lens is connected with the LED lamp panel;
the LED lamp panel and the narrow-beam small-angle lens are arranged on the lamp body, the first lens fixing plate is provided with three first through holes which are arranged at equal intervals and correspond to the narrow-beam lens, the second lens fixing plate is provided with three second through holes which are arranged at equal intervals and correspond to the narrow-beam lens, and the top of the upper cover is provided with three light holes which are arranged at equal intervals and correspond to the narrow-beam lens.
2. The narrow beam LED projector as set forth in claim 1, wherein: the first through hole, the second through hole and the light hole are rectangular holes, and the top of the narrow-beam small-angle lens is flush with the top of the light hole.
3. The narrow beam LED projector as set forth in claim 1, wherein: the lateral part of lamp body be equipped with the edge of first lens fixed plate and the edge complex recess of second lens fixed plate, first lens fixed plate and second lens fixed plate pass through recess and lamp body lateral part joint.
4. The narrow beam LED projector as set forth in claim 1, wherein: the lamp also comprises a lengthwise pressing bar with an L-shaped cross section, the side part of the lamp body is provided with a clamping groove matched with the pressing bar, the transverse edge of the pressing strip is connected with the surface of the second lens fixing plate, and the vertical edge of the pressing strip is clamped with the side part of the lamp body through a clamping groove; the end part of the lamp body is provided with an end cover for sealing the lamp cavity, and the end cover is fixedly connected with the end part of the lamp body through a screw.
5. The narrow beam LED projector as set forth in claim 1, wherein: the back of the lamp body is provided with a bracket for fixing the lamp body on a wall body, and the bracket is fixedly connected with the lamp body through a fastening screw.
6. The narrow beam LED projector as set forth in claim 1, wherein: the first lens fixing plate and the second lens fixing plate are rectangular organic glass plates, rectangular aluminum plates or rectangular plastic plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811272703.4A CN109373238B (en) | 2018-10-30 | 2018-10-30 | Narrow-beam LED projection lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811272703.4A CN109373238B (en) | 2018-10-30 | 2018-10-30 | Narrow-beam LED projection lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109373238A CN109373238A (en) | 2019-02-22 |
| CN109373238B true CN109373238B (en) | 2023-08-29 |
Family
ID=65390283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811272703.4A Active CN109373238B (en) | 2018-10-30 | 2018-10-30 | Narrow-beam LED projection lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109373238B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109945105A (en) * | 2019-04-30 | 2019-06-28 | 广东自由之光照明实业有限公司 | A kind of space precisely spreads the Windowsill lamp of light |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201149204Y (en) * | 2008-01-17 | 2008-11-12 | 宁波燎原灯具股份有限公司 | Lens system suitable for LED road lamp |
| CN204611462U (en) * | 2015-05-28 | 2015-09-02 | 广州康芙莱照明科技股份有限公司 | A kind of light |
| CN106051622A (en) * | 2016-04-25 | 2016-10-26 | 惠州市西顿工业发展有限公司 | Small-angle lens and lamp |
| CN107676681A (en) * | 2017-10-25 | 2018-02-09 | 浙江晶日照明科技有限公司 | A kind of LED lamp of anti-dazzle arrow beam of light |
| CN208253332U (en) * | 2018-06-12 | 2018-12-18 | 浙江捷莱光电科技有限公司 | A kind of LED Windowsill lamp |
-
2018
- 2018-10-30 CN CN201811272703.4A patent/CN109373238B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201149204Y (en) * | 2008-01-17 | 2008-11-12 | 宁波燎原灯具股份有限公司 | Lens system suitable for LED road lamp |
| CN204611462U (en) * | 2015-05-28 | 2015-09-02 | 广州康芙莱照明科技股份有限公司 | A kind of light |
| CN106051622A (en) * | 2016-04-25 | 2016-10-26 | 惠州市西顿工业发展有限公司 | Small-angle lens and lamp |
| CN107676681A (en) * | 2017-10-25 | 2018-02-09 | 浙江晶日照明科技有限公司 | A kind of LED lamp of anti-dazzle arrow beam of light |
| CN208253332U (en) * | 2018-06-12 | 2018-12-18 | 浙江捷莱光电科技有限公司 | A kind of LED Windowsill lamp |
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| Publication number | Publication date |
|---|---|
| CN109373238A (en) | 2019-02-22 |
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