CN108278524B - A low-glare LED floodlight reflective module and in-line LED floodlight - Google Patents

A low-glare LED floodlight reflective module and in-line LED floodlight Download PDF

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Publication number
CN108278524B
CN108278524B CN201711133534.1A CN201711133534A CN108278524B CN 108278524 B CN108278524 B CN 108278524B CN 201711133534 A CN201711133534 A CN 201711133534A CN 108278524 B CN108278524 B CN 108278524B
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lens
reflective
bowl
reflector
module
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CN201711133534.1A
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CN108278524A (en
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蒋建华
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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
    • 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
    • F21V13/04—Combinations of only two kinds of elements the elements being reflectors and refractors
    • 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
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/04—Controlling the distribution of the light emitted by adjustment of elements by movement of reflectors
    • 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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/02—Fastening of light sources or lamp holders with provision for adjustment, e.g. for focusing
    • 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
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10—Outdoor lighting
    • F21W2131/101—Outdoor lighting of tunnels or the like, e.g. under bridges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10—Outdoor lighting
    • F21W2131/103—Outdoor lighting of streets or roads
    • 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]

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

本发明涉及一种低眩光LED投光灯反光模块，散热器上设置反光碗，该反光碗尺寸较小的一端内嵌入LED单元，该反光碗尺寸较大的另一端设置所述透镜，所述外壳设置在散热器上端且限位所述透镜和反光碗，所述反光碗内壁为一向外凸出的圆弧沿LED单元中心线旋转后形成的回转面，该回转面上径向设置多个反光棱，所述反光棱、内壁和透镜相互配合且使透镜射出的光线发生偏转。本发明中，反光碗、透镜和反光棱三级处理的光线发生一定角度偏转，极大的降低了眩光指数，保证了经过的行人、车辆的安全行驶，安装框上的一向铰轴和另一向铰轴的调节，可以实现反光模块的便捷拆装以及照明角度的调整，是一种新型低眩光且适用于公路、隧道等处使用的照明灯具。

The present invention relates to a low-glare LED floodlight reflector module, a reflector bowl is arranged on a radiator, an LED unit is embedded in one end of the reflector bowl with a smaller size, and a lens is arranged on the other end of the reflector bowl with a larger size, the housing is arranged on the upper end of the radiator and limits the lens and the reflector bowl, the inner wall of the reflector bowl is a revolving surface formed by rotating an arc protruding outward along the center line of the LED unit, a plurality of reflective prisms are radially arranged on the revolving surface, the reflective prisms, the inner wall and the lens cooperate with each other and deflect the light emitted by the lens. In the present invention, the light processed by the reflector bowl, the lens and the reflective prism at three levels deflects at a certain angle, greatly reducing the glare index and ensuring the safe driving of pedestrians and vehicles passing by, and the adjustment of one hinge shaft and the other hinge shaft on the mounting frame can realize the convenient disassembly and assembly of the reflective module and the adjustment of the lighting angle, which is a new type of low-glare lighting fixture suitable for use in highways, tunnels and the like.

Description

Low-glare LED projection lamp reflecting module and in-line LED projection lamp
Technical Field
The invention belongs to the technical field of improvement of structures of special projection lamps for roads and tunnels, and particularly relates to a low-glare LED projection lamp reflecting module and an in-line LED projection lamp.
Background
The highway illumination and tunnel illumination need use a large amount of projecting lamps, and these lamps and lanterns installation height is big, illumination brightness requirement is high, and the high-pressure sodium lamp of use in the past is more often, but these lamps and lanterns power consumption is big, generate heat greatly, and life is shorter, can not satisfy the energy-concerving and environment-protective demand of social development. Some manufacturers apply LEDs and the like to a projector through researches, and use reflectors and lenses to integrate secondary light sources so as to improve illumination brightness and illumination distance, and the design requirements are really met when the projector is used, but the lamps have the following disadvantages: 1. the light emitted by the lamp is integrated by the secondary light source of the reflector and the lens to form a similar linear light source, so that the irradiation distance is increased, the brightness is increased, but the glare index is also increased, so that discomfort of eyes of drivers and pedestrians passing through the lamp can be caused, especially when the lamp runs and walks at night, the light has larger stimulation to the eyes, the problem that the identification capability of the drivers or pedestrians is reduced, and the like is caused, and the traffic safety is not facilitated; 2. according to the national standard, when the special lamp for the highway, tunnel and the like is maintained, the lamp module can be independently replaced, but in the existing projection lamp, one part of the module is fixed on a connecting piece or a mounting piece, so that the disassembly is inconvenient, and the other part of the module can be independently replaced, but the related structure is too complex, so that the time consumption of the disassembly and assembly process is long or the whole replacement is wasted; 3. in the above-mentioned projecting lamp, each lamps and lanterns are fixed knot and construct, when needing adjustment projecting position and scope of projecting lamp promptly, need pull down lamps and lanterns at first, then use different mounting to accomplish the adjustment of projection angle.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the low-glare LED projection lamp reflecting module which has low glare index, can conveniently replace a single lamp module and can adjust the projection angle.
The technical scheme adopted by the invention is as follows:
The utility model provides a low glare LED projecting lamp reflector module which characterized in that: including radiator, shell, reflector, lens and LED unit, set up the reflector on the radiator, embedding LED unit in the less one end of this reflector size, the great other end of this reflector size sets up the lens, the shell sets up in radiator upper end and spacing lens and reflector, the reflector inner wall is the plane of revolution that forms after the circular arc of outwards protruding is rotatory along the LED unit central line for the circular arc of outward, radially sets up a plurality of reflection arriss on this plane of revolution, reflection arriss, inner wall and lens mutually support and make the light of lens ejection take place to deflect.
And moreover, the ceramic substrate of the LED unit is connected with the upper end face of the radiator, and the light-emitting end face of the LED unit faces the inside of the reflector.
And the power end of the LED unit is connected with a cable movable joint arranged between the fins on the bottom surface of the radiator.
And the fins at two ends of the radiator are provided with shaft holes for installing the hinge shaft.
The height of the reflector is 33-37 mm, the diameter of an opening at one end of the reflector is 30-35 mm, the included angle between the connecting line of two side end points of any bus between the opening at one end and the opening at the other end and the central axis of the reflector is 23-27 degrees, and the radius of a circle where an arc line of the inner wall of the reflector between the two end points is located is 50-55 mm.
The cone angle of the light cone projected by the lens is 88-92 degrees, the distance between the intersection point of the main optical axis of the lens and the upper end face of the radiator and the intersection point of the main optical axis and the upper end face of the lens is 70-74 mm, the radius of the spherical surface where the upper end face of the lens is positioned is 15-20 mm, the radius of the spherical surface where the bottom face of the lens is positioned is 90-95 mm, and the maximum diameter of the outer edge of the lens is 75-80 mm.
And the curvature of the reflecting edge along the axial direction of the reflecting bowl and the radial direction of the reflecting bowl are the same as that of the reflecting bowl, and the included angle between the connecting line between the two end points of the arc line of the reflecting edge along the axial direction of the reflecting bowl and the connecting line between the two end points of the two sides is 18-25 degrees.
Another object of the present invention is to provide an in-line LED projector module, characterized in that: the light reflecting module comprises a mounting frame and the light reflecting module of claim 7, wherein one outward extending hinge shaft is respectively arranged on two symmetrical side edges of the mounting frame, a bending, arc-shaped or linear sliding groove is respectively arranged on the other two symmetrical side edges of the mounting frame, and the other hinge shaft is arranged in a limiting mounting opposite shaft hole in each sliding groove.
And two hinge shafts at two symmetrical sides of the mounting frame are positioned at the outer edge outside the mounting frame and sleeved with damping sheets.
Another object of the present invention is to provide an in-line LED projector characterized by: the projector lamp module comprises a frame, a cable junction box, fixing plates, hanging plates and the projector lamp module according to claim 8 or 9, wherein at least one projector lamp module is arranged in the frame at intervals, the frame is provided with a cable junction box, the outgoing end of the cable junction box is connected with a cable movable joint in each projector lamp module through a cable, the incoming end of the cable junction box is connected with a power supply, the fixing plates are respectively arranged on two sides of the frame, the upper end of each fixing plate is hinged with the lower end of the corresponding hanging plate, and a fixing bolt and a corner dial are further arranged between the fixing plate and the hanging plate.
The invention has the advantages and positive effects that:
1. In the projector, light rays emitted by the LED units are emitted and converged by the reflector and then irradiated on the reflector, the included angle between the connecting line between two end points of the arc line of the reflector along the axial direction of the reflector and the connecting line between two end points of any generatrix of the reflector is 18-25 degrees, preferably 20-22 degrees, after the arrangement, the light rays converged by the reflector are deflected secondarily by the reflector and then are emitted after being converged by the lens, at the moment, the light rays corresponding to the emitted light rays are deflected approximately by a certain angle of about 14-16 degrees, and the glare index of the emitted light rays is greatly reduced after three-stage treatment of the reflector, the lens and the reflector, and the glare index GR is smaller than 30 after measurement.
2. In this projecting lamp, set up two symmetrical spouts on the installing frame, hold the another hinge shaft of the downthehole installation of establishing on the fin of radiator both ends respectively in these two spouts, this another hinge shaft can use the bolt, when needing to change the projecting lamp module, only need unscrew the bolt, just can make the bolt slide out from the spout, open module radiator rear end cable fixing base union in addition, thereby take off single projecting lamp module, then put into the spout of counterpoint with new projecting lamp module both sides gain bolt, screw up the bolt again, screw down the cable union in addition and accomplish the change, and is swift, convenient to use.
3. In this projecting lamp, the bolt is all used to hinge to another on the installing frame, can adjust the deflection angle of installing frame for the frame and the deflection angle of reflection of light module for the installing frame when unscrewing respectively like this, makes the light that the LED unit projected can carry out the angular adjustment of certain scope, can obtain bigger illumination area, easy and simple to handle.
4. According to the invention, the light rays processed by three stages of the reflecting bowl, the lens and the reflecting edge are deflected at a certain angle, so that the glare index is greatly reduced, the safety running of pedestrians and vehicles passing through the light rays is ensured, the adjustment of one direction hinge shaft and the other direction hinge shaft on the mounting frame can realize the convenient disassembly and assembly of the reflecting module and the adjustment of the illumination angle, and the light fixture is a novel illumination lamp with low glare and suitable for being used in places such as roads and tunnels.
Drawings
FIG. 1 is a schematic diagram of a reflector module of a projector according to the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a cross-sectional view taken along the direction A-A of FIG. 2;
FIG. 4 is a schematic diagram of a projector module according to the present invention;
FIG. 5 is a schematic view of a projector according to the present invention;
FIG. 6 is a rear view of FIG. 5 (rotated 180 degrees counterclockwise);
fig. 7 is a perspective view of fig. 6.
Detailed Description
The invention will now be further illustrated by reference to the following examples, which are intended to be illustrative, not limiting, and are not intended to limit the scope of the invention.
As shown in fig. 1 to 7, the invention provides a low-glare Light Emitting Diode (LED) projection lamp reflecting module, which is characterized in that: including radiator 6, shell 1, reflector 11, lens 2 and LED unit 10, set up the reflector on the radiator, the embedding LED unit in the less one end of this reflector size, the great other end of this reflector size sets up the lens, the shell sets up in radiator upper end and spacing lens and reflector, the reflector inner wall is the plane of revolution that forms after the circular arc of outwards protruding is followed the rotation of LED unit central line for the circular arc, radially sets up a plurality of reflection arriss 9 on this plane of revolution, reflection arriss, inner wall and lens mutually support and make the light that the lens penetrated take place to deflect.
In this embodiment, a fixing flange 13 is disposed on the upper end face of the radiator, the fixing flange presses the lower end bending portion of the reflector, an LED unit is disposed on the upper end face of the radiator at one end of the reflector, a ceramic substrate of the LED unit is connected with the upper end face of the radiator, and a transparent packaging end face of the LED unit faces the inside of the reflector. The transparent material can be silica gel, epoxy resin or other transparent materials, the LED, the driving circuit and the power chip are packaged in the transparent material, and the LED, the power chip and the like are packaged on the ceramic substrate, so that the whole installation is very convenient, and the ceramic substrate can also directly etch the circuit, thereby further reducing the packaging complexity and the whole thickness and volume.
The upper end 8 of the reflecting bowl is pressed at the upper end of the shell, a waterproof pad 12 is embedded between the lower end of the lens, the shell and the upper end of the reflecting bowl, the lower end of the shell is connected with the upper end face of the radiator through a plurality of fixing bolts 3, and a waterproof pad 5 is embedded between the outer edge of the lower end of the shell and the upper end face of the radiator. A cable connector 7 extending to the fin 4 on the bottom surface of the radiator is embedded in the upper end surface of the radiator covered by the shell, and the cable connector is electrically connected with the LED unit. Shaft holes 6 for installing hinge shafts are arranged on fins at two ends of the radiator.
The height H2 of the reflector is 33-37 mm, the diameter L1 of an opening at one end of the reflector is 30-35 mm, the included angle beta between the connecting line of two side endpoints of any bus between the opening at one end and the opening at the other end and the central axis of the reflector is 23-27 degrees, and the radius R3 of a circle where an arc line of the inner wall of the reflector between the two endpoints is located is 50-55 mm. The preferable scheme is as follows: h2 is 34-36 mm, L1 is 32-34 mm, beta is 24-25 degrees, and R3 is 53-54 mm.
The convex lens is used in the lens, the upper end face of the lens protrudes upwards, the bottom face of the lens is recessed upwards, the cone angle of the ray cone projected by converging the lens is 88-92 degrees, the distance H1 between the intersection point of the main optical axis of the lens and the upper end face of the radiator and the intersection point of the main optical axis and the upper end face of the lens is 70-74 mm, the radius R1 of the spherical surface where the upper end face of the lens is located is 15-20 mm, the radius R2 of the spherical surface where the bottom face of the lens is located is 90-95 mm, and the maximum diameter L2 of the outer edge of the lens is 75-80 mm. The preferable scheme is as follows: h1 is 89-91 degrees, R1 is 17-18 mm, R2 is 92-93 mm, and L2 is 76-78 mm.
4-8 Light reflecting edges are uniformly distributed in the middle of the light reflecting bowl along the radial direction of the light reflecting bowl, the distance W2 between the center of one end of each light reflecting edge and the upper end face of the radiator is 10-20 mm, preferably 15-17 mm, and the structure of each light reflecting edge is one of the following 1 or 2 structures:
1. One end and the other end of every reflection of light arris are at the equal height of reflector axial direction, and every reflection of light arris is along the radial camber of reflector axial and along the radial camber of reflector and reflector inner wall all the same, can laminate on the reflector inner wall completely when being in direct projection to reflector inner wall to every reflection of light arris.
The reflecting edge is also formed by countless arcs along the radial direction of the reflecting bowl, and the included angle theta between the connecting line between two end points of each arc and the connecting line between two end points of the bus of the reflecting bowl is 18-25 degrees, preferably 20-22 degrees.
2. One end of each reflecting edge is low, the other end is slightly high, the difference W1 between one end and the other end is 5-6 mm along the axial direction of the reflecting bowl, and the curvature of each reflecting edge along the axial direction of the reflecting bowl and the radial direction of the reflecting bowl is the same as the curvature of the inner wall of the reflecting bowl, namely, the reflecting edges can be completely attached to the inner wall of the reflecting bowl during orthographic projection of the inner wall of the reflecting bowl.
The reflecting edge is also formed by countless arcs along the radial direction of the reflecting bowl, and the included angle theta between the connecting line between two end points of each arc and the connecting line between two end points of the bus of the reflecting bowl is 18-25 degrees, preferably 20-22 degrees.
An in-line LED projection lamp module, as shown in fig. 4, comprises a mounting frame 14 and a reflecting module, wherein two side edges of the symmetry of the mounting frame are respectively provided with an outward extending one-way hinge shaft 15, the other two side edges of the symmetry of the mounting frame are respectively provided with a bending, arc-shaped or linear sliding groove 16, and the other one-way hinge shaft 17 arranged in a shaft hole at the opposite position is arranged in each sliding groove in a limiting manner.
Bolts can be used for one hinge shaft and the other hinge shaft, in the figure, the bolts with inner hexagonal are used, the outer edge of the one hinge shaft outside the installation frame is sleeved with the damping sheet 18, the sliding chute is preferably of an L-shaped bending structure, the tail end of the other hinge shaft is meshed in the shaft hole of the aligned radiator fin, and the outer edge of the other hinge shaft outside the installation frame is sleeved with the damping sheet.
An in-line LED floodlight, as shown in figures 5, 6 and 7, comprises a frame 19, a cable junction box 25, fixing plates 27, lifting plates 28 and floodlight modules 20, wherein at least one floodlight module is arranged in the frame at intervals, a cable junction box is arranged on a cross beam 21 on the frame, an outgoing line end 24 of the cable junction box is connected with a cable movable joint in each floodlight module through a cable, an incoming line end 22 of the cable junction box is connected with a power supply, fixing plates are respectively arranged on two sides of the frame, the upper end of each fixing plate is hinged with the lower end of the opposite lifting plate through hinge bolts 31, a fixing bolt 29 and a corner dial 30 are further arranged between the fixing plates and the lifting plates, and a bending part 23 at the upper end of each lifting plate is used for connecting a lamp post or other fixing positions.
When the reflection module is replaced: the other hinged shaft is unscrewed by an inner hexagonal wrench, then the reflecting module is held, the other hinged shafts at the two sides are separated from the L-shaped bent sliding groove, and then a new reflecting module is assembled.
When the angle of the reflecting module is adjusted: and unscrewing one hinge shaft and the other hinge shaft by using an inner hexagonal wrench, rotating the mounting frame and the light reflecting module to enable the mounting frame and the light reflecting module to be positioned at a proper deflection angle, and screwing all the hinge shafts to finish adjustment.
Application scene: roof of a tunnel
Mounting height: 6 m
Total power of LED light source: 100W
Whether the ground has light spots or not: uniform and spot-free
Ground illumination intensity: 50 to 60/LUX
Glare index; GR is less than or equal to 30
A color rendering index; ra is greater than or equal to 80
According to the invention, the light rays processed by three stages of the reflecting bowl, the lens and the reflecting edge are deflected at a certain angle, so that the glare index is greatly reduced, the safety running of pedestrians and vehicles passing through the light rays is ensured, the adjustment of one direction hinge shaft and the other direction hinge shaft on the mounting frame can realize the convenient disassembly and assembly of the reflecting module and the adjustment of the illumination angle, and the light fixture is a novel illumination lamp with low glare and suitable for being used in places such as roads and tunnels.

Claims (4)

1.一种低眩光LED投光灯反光模块，其特征在于：包括散热器、外壳、反光碗、透镜和LED单元，散热器上设置反光碗，该反光碗尺寸较小的一端内嵌入LED单元，该反光碗尺寸较大的另一端设置所述透镜，所述外壳设置在散热器上端且限位所述透镜和反光碗，所述反光碗内壁为一向外凸出的圆弧沿LED单元中心线旋转后形成的回转面，该回转面上径向设置多个反光棱，所述反光棱、内壁和透镜相互配合且使透镜射出的光线发生偏转；1. A low-glare LED floodlight reflector module, characterized in that it comprises a heat sink, a housing, a reflective bowl, a lens and an LED unit, the reflective bowl is arranged on the heat sink, the LED unit is embedded in one end of the reflective bowl with a smaller size, and the lens is arranged on the other end of the reflective bowl with a larger size, the housing is arranged on the upper end of the heat sink and limits the lens and the reflective bowl, the inner wall of the reflective bowl is a revolving surface formed by rotating an arc protruding outward along the center line of the LED unit, a plurality of reflective prisms are radially arranged on the revolving surface, the reflective prisms, the inner wall and the lens cooperate with each other and deflect the light emitted by the lens; 所述LED单元的陶瓷基板与散热器上端面连接，该LED单元的发光端面朝向反光碗内部；The ceramic substrate of the LED unit is connected to the upper end surface of the heat sink, and the light-emitting end surface of the LED unit faces the interior of the reflective bowl; 所述LED单元的电力端连接散热器底面翅片间设置的电缆活接头；The power end of the LED unit is connected to a cable connector disposed between the fins on the bottom surface of the heat sink; 所述散热器两端的翅片上设置用于安装铰轴的轴孔；The fins at both ends of the radiator are provided with shaft holes for installing the hinge shaft; 反光碗的高度为33～37毫米，反光碗一端开口的直径为30～35毫米，一端开口和另一端开口之间任意一条母线两侧端点的连线与反光碗中轴线之间的夹角为23～27度，所述两侧端点之间的反光碗内壁的弧线所在圆的半径为50～55毫米；The height of the reflective bowl is 33 to 37 mm, the diameter of the opening at one end of the reflective bowl is 30 to 35 mm, the angle between the line connecting the endpoints of both sides of any generatrix between the opening at one end and the opening at the other end and the center axis of the reflective bowl is 23 to 27 degrees, and the radius of the circle where the arc of the inner wall of the reflective bowl between the endpoints at both ends is 50 to 55 mm; 所述透镜汇聚投射出的光线圆锥的锥角为88～92度，透镜主光轴与散热器上端面交点和透镜主光轴与透镜上端面交点之间的距离为70～74毫米，透镜上端面所在球面的半径为15～20毫米，透镜底面所在球面的半径为90～95毫米，透镜外缘最大的直径为75～80毫米；The cone angle of the light cone projected by the lens is 88 to 92 degrees, the distance between the intersection of the main optical axis of the lens and the upper end surface of the heat sink and the intersection of the main optical axis of the lens and the upper end surface of the lens is 70 to 74 mm, the radius of the spherical surface where the upper end surface of the lens is located is 15 to 20 mm, the radius of the spherical surface where the bottom surface of the lens is located is 90 to 95 mm, and the maximum diameter of the outer edge of the lens is 75 to 80 mm; 所述反光棱沿反光碗轴向和沿反光碗径向的曲率与反光碗均相同，反光棱沿反光碗轴向的弧线两端点之间的连线与所述两侧端点的连线之间的夹角为18～25度。The curvature of the reflective rib along the axial direction and radial direction of the reflective bowl is the same as that of the reflective bowl, and the angle between the line connecting the two end points of the arc of the reflective rib along the axial direction of the reflective bowl and the line connecting the two end points is 18 to 25 degrees. 2.一种直列LED投光灯模组，其特征在于：包括安装框和权利要求1所述的反光模块，安装框对称的两侧边上分别设置一朝外延伸的一向铰轴，安装框对称的另外两侧边上分别设置一折弯、弧形或直线形的滑槽，每个滑槽内用于限位安装相对位轴孔内设置的另一向铰轴。2. An in-line LED floodlight module, characterized in that it includes a mounting frame and the reflective module described in claim 1, wherein two symmetrical sides of the mounting frame are respectively provided with a hinge axis extending outward, and the other two symmetrical sides of the mounting frame are respectively provided with a bent, arc-shaped or straight-line slide groove, and each slide groove is used for limiting the installation of another hinge axis arranged in a relative axis hole. 3.根据权利要求2所述的一种直列LED投光灯模组，其特征在于：安装框对称的两侧边的两个铰轴位于安装框外的外缘上套装阻尼片。3. The in-line LED floodlight module according to claim 2, characterized in that: two hinge shafts on two symmetrical sides of the installation frame are located on the outer edges outside the installation frame and are equipped with damping plates. 4.一种直列LED投光灯，其特征在于：包括框架、电缆分线盒、固定板、吊装板和权利要求2或3所述的投光灯模组，所述框架内间隔设置至少一个投光灯模组，框架上设置一电缆分线盒，该电缆分线盒的出线端通过电缆与每个投光灯模组中的电缆活接头连接，该电缆分线盒的进线端与电源连接，在框架两侧分别设置一固定板，每个固定板上端与相对位的吊装板下端铰接，固定板与吊装板之间还设置一固定螺栓和转角刻度盘。4. An in-line LED floodlight, characterized in that it comprises a frame, a cable junction box, a fixing plate, a hanging plate and the floodlight module according to claim 2 or 3, at least one floodlight module is arranged at intervals in the frame, a cable junction box is arranged on the frame, the outlet end of the cable junction box is connected to the cable joint in each floodlight module through a cable, the inlet end of the cable junction box is connected to a power supply, a fixing plate is arranged on both sides of the frame, the upper end of each fixing plate is hinged to the lower end of the hanging plate in the opposite position, and a fixing bolt and an angle dial are also arranged between the fixing plate and the hanging plate.
CN201711133534.1A 2017-11-16 2017-11-16 A low-glare LED floodlight reflective module and in-line LED floodlight Expired - Fee Related CN108278524B (en)

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