CN218523497U

CN218523497U - LED projecting lamp with anti-dazzle shading ring

Info

Publication number: CN218523497U
Application number: CN202222949530.3U
Authority: CN
Inventors: 张献
Original assignee: Qianxun Optoelectronics Technology Suzhou Co ltd
Current assignee: Qianxun Optoelectronics Technology Suzhou Co ltd
Priority date: 2022-11-07
Filing date: 2022-11-07
Publication date: 2023-02-24
Anticipated expiration: 2032-11-07

Abstract

The utility model discloses a LED projecting lamp with anti-dazzle light-shading ring, including a lamp section of thick bamboo, base and linking arm, the linking arm is connected between base and a lamp section of thick bamboo, cavity and back cavity before the inside of a lamp section of thick bamboo is separated into through the median septum, be equipped with LED drive assembly in the back cavity, be provided with the LED subassembly in the front cavity, both ends are equipped with transparent protecgulum and back lid respectively around a lamp section of thick bamboo, be equipped with anti-dazzle light-shading ring between LED subassembly and the transparent protecgulum, anti-dazzle light-shading ring's main part is the ring, be equipped with 2 at least shading sand grips that are used for sheltering from vice facula after to by preceding in proper order on the inner wall of ring. The utility model discloses the anti-dazzle shading ring of taking multilayer shading sand grip has been add between LED light source and transparent protecgulum to the cross-section of the shading sand grip of anti-dazzle shading ring is triangle-shaped or wedge structure, can effectively shelter from those peripheral light that central light intensity is more weak light of LED light source, has realized eliminating vice facula under the prerequisite that does not influence illumination intensity, promotes illuminating effect's function.

Description

LED projecting lamp with anti-dazzle shading ring

Technical Field

The utility model belongs to the technical field of the LED projecting lamp, concretely relates to LED projecting lamp with anti-dazzle shading ring.

Background

An LED projector, also called a spot light, a projection light, a spot light, etc., is a spot light that uses a light emitting diode as a light source. The traditional spot lamp mostly adopts a halogen lamp, has low luminous efficiency, consumes more power, increases the temperature of the irradiated environment and has short service life. The LED projection lamp is far superior to the traditional spot lamp in the aspects of light-emitting principle, energy conservation and environmental protection. The LED projection lamp has round and square appearance, is mainly used for special facility illumination such as single building, exterior wall illumination of historical building groups, greening landscape illumination, light-transmitting illumination inside and outside buildings, billboard illumination and the like, atmosphere illumination of entertainment places such as bars, dance halls and the like, and has considerable market development prospect.

At present, the existing LED projection lamp adopts a mode that a plurality of lamp beads emit light simultaneously to illuminate, so that a main light spot and an auxiliary light spot can be formed on an illuminating surface, however, the auxiliary light spot is not effective in light intensity, not only can not play an effective illuminating role, but also can influence the illuminating effect of an illuminating area. The traditional method for eliminating the auxiliary light spots is to make silk screen printing or film pasting on the glass front cover, so that light with central light intensity passes through the glass front cover, and light with central light weak cannot pass through the glass front cover, so that the auxiliary light spots are shielded. However, this method also causes a large loss to the light intensity of the main light spot, and the loss rate can be as high as 20% -30%, and the ideal lighting effect cannot be achieved.

SUMMERY OF THE UTILITY MODEL

Defect to prior art existence, the utility model provides a LED projecting lamp with anti-dazzle shading ring eliminates vice facula, improves the illuminating effect in the condition that does not reduce the light intensity.

For solving the technical problem, realize above-mentioned technological effect, the utility model discloses a following technical scheme realizes:

the LED projection lamp with the anti-dazzle light-shading ring comprises a lamp barrel, a base and a connecting arm, wherein the connecting arm is connected between the base and the lamp barrel, the inside of the lamp barrel is divided into a front cavity and a rear cavity through a middle partition plate, an LED driving assembly is arranged in the rear cavity and fixed with the rear side face of the middle partition plate, a rear cover is arranged on an opening upper cover at the rear end of the lamp barrel, an LED assembly is arranged in the front cavity, the rear end of the LED assembly is fixed with the front side face of the middle partition plate, the front end of the LED assembly is fixed with a front end opening of the lamp barrel, a front end wire of the LED driving assembly is connected with the LED assembly after passing through the middle partition plate, a transparent front cover is arranged on the opening upper cover at the front end of the lamp barrel, an anti-dazzle light-shading ring is arranged between the LED assembly and the transparent front cover, the main body of the anti-dazzle light-shading ring is a circular ring, and at least 2 convex strips used for shading auxiliary light spots are sequentially arranged on the inner wall of the circular ring from front to back.

Furthermore, the cross section of the shading convex strip is of a triangular structure or a wedge-shaped structure.

Furthermore, the rear side surface of the shading convex strip is perpendicular to the straight surface of the inner wall of the circular ring, and the front side surface of the shading convex strip inclines to the inclined surface of the inner wall of the circular ring.

Further, the inclination angle of the inclined surface of the light shielding convex strip is 45 °.

Further, the distance between every two adjacent 2 shading convex strips is 3.5mm.

Further, the protruding length of the shading convex strip relative to the inner wall of the circular ring is 3.5mm.

Further, the LED assembly comprises an LED lamp bead assembly, a reflective cup mounting seat and a reflective cup fixing ring, the LED lamp bead assembly is fixedly mounted on the front side surface of the middle partition plate, all LED lamp beads on the LED lamp bead assembly are aligned to the front end opening direction of the lamp tube, the reflective cup mounting seat is located on the front side of the LED lamp bead assembly, the reflective cup is arranged in the reflective cup mounting seat, the reflective cup fixing ring is fixedly mounted on the inner wall of the front end opening of the lamp tube, the rear end surface of the reflective cup fixing ring is connected with the front end surface of the reflective cup mounting seat, and the reflective cup is limited in the reflective cup mounting seat through the reflective cup fixing ring; meanwhile, the anti-dazzle shading ring is fixedly embedded at the front end of the reflecting cup fixing ring, and the outer wall of the circular ring of the anti-dazzle shading ring is in interference fit with the inner wall of the front end of the reflecting cup fixing ring.

Further, LED lamp pearl subassembly includes a plurality of LED lamp pearls, LED lamp pearl mounting panel, LED lamp pearl PCB board and LED lamp pearl subassembly fixed screw, all LED lamp pearl all inlays to be established on the LED lamp pearl mounting panel, all the rear end of LED lamp pearl all with LED lamp pearl PCB board is connected, LED lamp pearl mounting panel with wear to be equipped with a plurality of roots between the LED lamp pearl PCB board LED lamp pearl subassembly fixed screw, LED lamp pearl subassembly passes through LED lamp pearl subassembly fixed screw is fixed on the leading flank of median septum.

Further, LED lamp pearl subassembly is 3 lamp pearl subassemblies, including 3 LED lamp pearls, 3 LED lamp pearl all inlays and establishes on the LED lamp pearl mounting panel, and be article font structure evenly distributed.

Further, LED lamp pearl subassembly is 8 lamp pearl subassemblies, including 8 LED lamp pearls, 8 LED lamp pearl all inlays and establishes on the LED lamp pearl mounting panel, and wherein 7 are annular evenly distributed, and 1 remaining central authorities that are located the loop configuration.

Furthermore, a front cover sealing ring is arranged between the transparent front cover and the front end opening of the lamp barrel.

Furthermore, a rear cover sealing ring is arranged between the rear cover and the opening at the rear end of the lamp tube.

Further, the linking arm includes rotatory upper arm, rotatory lower arm and pivot screw, rotatory upper arm comprises upper arm seat and joint right side spiral cover, rotatory lower arm comprises lower arm seat and joint left side spiral cover, lower arm seat is hollow structure, the bottom of lower arm seat is fixed through the screw that corresponds the upper surface of base, joint left side spiral cover is fixed the top of lower arm seat, the upper arm seat is hollow structure, the top of upper arm seat is fixed through the screw that corresponds the lower surface of a lamp section of thick bamboo, joint right side spiral cover is fixed the bottom of upper arm seat, joint left side spiral cover with the disc inboard of joint right side spiral cover all is provided with the round and adjusts the insection, joint left side spiral cover with joint right side spiral cover passes through screw lid is in the same place about the pivot to realize rotationally meshing through respective regulation insection.

The utility model has the advantages that:

the utility model discloses the anti-dazzle shading ring of taking multilayer shading sand grip has been add between LED light source and transparent protecgulum to the cross-section of the shading sand grip of anti-dazzle shading ring is triangle-shaped or wedge structure, thereby can effectively shelter from those peripheral light that central light intensity is more weak light of LED light source, has realized eliminating vice facula under the prerequisite that does not influence illumination intensity, promotes illuminating effect's function. And simultaneously, the utility model discloses an anti-dazzle shading ring constructs simply, but eliminates the effect of vice facula very obvious, and the price/performance ratio is high, is fit for the transformation of current LED projecting lamp equally.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a perspective view of the external structure of the present invention;

fig. 2 is a sectional view of the inside of the lamp cartridge of the present invention;

fig. 3 is an exploded view of the internal components of the lamp cartridge of the present invention;

fig. 4 is a schematic structural diagram of an embodiment of the LED lamp bead assembly of the present invention;

fig. 5 is a schematic structural view of another embodiment of the LED lamp bead assembly of the present invention;

FIG. 6 is a perspective view of the front structure of the anti-glare ring of the present invention;

fig. 7 is a perspective view of the rear structure of the antiglare shield ring of the present invention;

FIG. 8 is a cross-sectional view of the antiglare shield ring of the present invention;

fig. 9 is a schematic structural diagram of the connecting arm of the present invention.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. The description as set forth herein is intended to provide a further understanding of the invention and forms a part of this application and the exemplary embodiments and descriptions thereof are presented for purposes of illustration and description and are not intended to limit the invention in any way.

Referring to fig. 1-2, an LED projection lamp with an anti-glare and anti-dazzling ring comprises a lamp barrel 1, a base 2 and a connecting arm 3, wherein the connecting arm 3 is connected between the base 2 and the lamp barrel 1, the interior of the lamp barrel 1 is divided into a front chamber and a rear chamber by a middle partition plate 4, the middle partition plate 4 can be fixed to the inner wall of the lamp barrel 1 by welding, or can be integrally formed with the lamp barrel 1.

Referring to fig. 2-3, an LED driving assembly 5 is disposed in the rear cavity, the LED driving assembly 5 includes an LED driver 501, an LED driver mounting bracket 502, an LED driver PCB 503 and a PCB mounting link 504, the front end of the LED driver mounting bracket 502 is fixedly connected to the rear side of the middle partition plate 4, the LED driver 501 is fixedly mounted on the LED driver mounting bracket 502, the LED driver PCB 503 is mounted on the LED driver 501, and the PCB mounting link 504 is connected between the LED driver PCB 503 and the LED driver mounting bracket 502.

Referring to fig. 2-3, an LED assembly 7 is disposed in the front cavity, the LED assembly 7 includes an LED lamp bead assembly 701, a reflective cup 702, a reflective cup mounting seat 703 and a reflective cup fixing ring 704, the LED lamp bead assembly 701 is fixedly mounted on the front side surface of the middle partition plate 4, all the LED lamp beads on the LED lamp bead assembly 701 are aligned with the front opening direction of the lamp barrel 1, the reflective cup mounting seat 703 is located on the front side of the LED lamp bead assembly 701, the reflective cup 702 is disposed in the reflective cup mounting seat 703, the reflective cup fixing ring 704 is fixedly mounted on the inner wall of the front opening of the lamp barrel 1, the rear end surface of the reflective cup fixing ring 704 is connected with the front end surface of the reflective cup mounting seat 703, and the reflective cup 702 is limited in the reflective cup mounting seat 703 through the reflective cup fixing ring 704.

Referring to fig. 4-5, the LED lamp bead assembly 701 includes a plurality of LED lamp beads 7011, an LED lamp bead mounting plate 7012, an LED lamp bead PCB board 7013, and LED lamp bead assembly fixing screws 7014, all the LED lamp beads 7011 are all embedded in the LED lamp bead mounting plate 7012, all the rear ends of the LED lamp beads 7011 are all connected to the LED lamp bead PCB board 7013, a plurality of the LED lamp bead assembly fixing screws 7014 penetrate between the LED lamp bead mounting plate 7012 and the LED lamp bead PCB board 7013, and the LED lamp bead assembly 701 is fixed to the front side surface of the middle partition plate 4 through the LED lamp bead assembly fixing screws 7014. The front-end wire of the LED driver 501 of the LED driving assembly 5 is connected to the LED lamp bead PCB 7013 of the LED assembly 7 after passing through the middle partition 4.

The LED lamp bead assembly 701 may be in various forms, such as a 3-bead LED assembly, an 8-bead LED assembly, and so on.

As a preferred embodiment, referring to fig. 4, the LED assembly with 3 lamp beads includes 3

LED lamp beads

7011,3, and the LED lamp beads 7011 are all embedded in the LED lamp bead mounting plate 7012 and are uniformly distributed in a delta-shaped structure.

As a preferred embodiment, referring to fig. 5, the LED assembly with 8 lamp beads includes 8

LED lamp beads

7011,8, and the LED lamp beads 7011 are all embedded on the LED lamp

bead mounting board

7012, and 7 of them are uniformly distributed in an annular shape, and the remaining 1 is located in the center of the annular structure.

Referring to fig. 1-2, a rear cover 6 is covered on the rear end opening of the lamp tube 1, and a front cover sealing ring 10 is arranged between the transparent front cover 8 and the front end opening of the lamp tube 1 to perform a sealing function. The lamp barrel is characterized in that a transparent front cover 8 is covered on the front end opening of the lamp barrel 1, and a rear cover sealing ring 11 is arranged between the rear cover 6 and the rear end opening of the lamp barrel 1, so that the sealing effect is also achieved.

Referring to fig. 1-3, an anti-glare ring 9 is disposed between the LED assembly 7 and the transparent front cover 8, referring to fig. 6-8, a main body of the anti-glare ring 9 is a ring 901, the ring 901 is fixedly embedded at the front end of the reflective cup fixing ring 704, an outer wall of the ring 901 is in interference fit with an inner wall of the front end of the reflective cup fixing ring 704, at least 2 light-shielding convex strips 902 for shielding secondary light spots are sequentially disposed on the inner wall of the ring 901 from front to back, and a cross section of each light-shielding convex strip 902 is a triangular structure or a wedge-shaped structure.

As a preferred embodiment, when the cross section of the light shielding ridge 902 is triangular, the rear side surface of the light shielding ridge 902 is a straight surface perpendicular to the inner wall of the ring 901, and the front side surface of the light shielding ridge 902 is inclined and the inner wall of the ring 901 is an inclined surface.

In a preferred embodiment, the inclination angle of the inclined surface of the light shielding rib 902 is 45 °.

In a preferred embodiment, the distance between two adjacent shade ribs 902 is 3.5mm.

In a preferred embodiment, the protruding length of the light shielding protrusion 902 with respect to the inner wall of the ring 901 is 3.5mm.

As a preferred embodiment, referring to fig. 9, the connecting arm 3 includes a rotary upper arm 301, a rotary lower arm 302 and a rotating shaft screw 303, the rotary upper arm 301 is composed of an upper arm base 3011 and a right rotary joint cover 3012, the rotary lower arm 302 is composed of a lower arm base 3021 and a left rotary joint cover 3022, the lower arm base 3021 is a hollow structure, the bottom of the lower arm base 3021 is fixed on the upper surface of the base 2 by corresponding screws, the left rotary joint cover 3022 is fixed on the top of the lower arm base 3021, the upper arm base 3011 is a hollow structure, the top of the upper arm base 3011 is fixed on the lower surface of the lamp tube 1 by corresponding screws, the right rotary joint cover 3012 is fixed on the bottom of the upper arm base 3011, the inner sides of the circular discs of the left rotary joint cover 3022 and the right rotary joint cover 3012 are both provided with a circle of adjusting teeth, and the left rotary joint cover 3022 and the right rotary joint cover 3012 are covered together by the rotating shaft screw 303 and are engaged rotatably by respective adjusting teeth.

The utility model discloses a theory of operation as follows:

among the light rays emitted by the LED lamp bead assembly 701, the light ray positioned at the center is the light with central light intensity, and can be directly emitted from the center of the anti-dazzle light-shielding ring 9 to form a main light spot for illumination; the peripheral light is the light with the central light intensity, and after the peripheral light is irradiated, the peripheral light can be blocked and reflected back by the shading convex strips 902 on the inner wall of the anti-dazzle shading ring 9, because the inner wall of the anti-dazzle shading ring 9 is provided with a plurality of shading convex strips 902, and the cross section of the shading convex strips 902 is in a triangular or wedge-shaped structure, the peripheral light can be effectively blocked from being ejected, and the auxiliary light spots are eliminated.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a LED projecting lamp with anti-dazzle shading ring which characterized in that: the anti-dazzle device comprises a lamp barrel (1), a base (2) and a connecting arm (3), wherein the connecting arm (3) is connected between the base (2) and the lamp barrel (1), the inside of the lamp barrel (1) is divided into a front cavity and a rear cavity through a middle partition plate (4), an LED driving assembly (5) is arranged in the rear cavity, the LED driving assembly (5) is fixed to the rear side face of the middle partition plate (4), a rear cover (6) is arranged on an opening upper cover at the rear end of the lamp barrel (1), an LED assembly (7) is arranged in the front cavity, the rear end of the LED assembly (7) is fixed to the front side face of the middle partition plate (4), the front end of the LED assembly (7) is fixed to an opening at the front end of the lamp barrel (1), a front end wire of the LED driving assembly (5) penetrates through the middle partition plate (4) and then is connected with the LED assembly (7), a transparent front cover (8) is arranged on the opening upper cover at the front end of the lamp barrel (1), an anti-dazzle ring (9) is arranged between the front cover (7) and a shading ring (901) used for shading ring (901), and at least one anti-dazzle ring (9) is arranged on the anti-dazzle ring (901).

2. The LED floodlight having an antiglare shield ring according to claim 1, characterized in that: the cross section of the shading convex strip (902) is of a triangular structure or a wedge-shaped structure.

3. The LED floodlight having an antiglare shield ring according to claim 2, characterized in that: the rear side surface of the shading convex strip (902) is a straight surface vertical to the inner wall of the circular ring (901), and the front side surface of the shading convex strip (902) is inclined and the inner wall of the circular ring (901) is an inclined surface.

4. The LED floodlight having an antiglare shield ring according to claim 1, characterized in that: the LED assembly (7) comprises an LED lamp bead assembly (701), a reflective cup (702), a reflective cup mounting seat (703) and a reflective cup fixing ring (704), the LED lamp bead assembly (701) is fixedly mounted on the front side surface of the middle partition plate (4), all LED lamp beads on the LED lamp bead assembly (701) are aligned to the front opening direction of the lamp tube (1), the reflective cup mounting seat (703) is located on the front side of the LED lamp bead assembly (701), the reflective cup (702) is arranged in the reflective cup mounting seat (703), the reflective cup fixing ring (704) is fixedly mounted on the inner wall of the front opening of the lamp tube (1), the rear end surface of the reflective cup fixing ring (704) is connected with the front end surface of the reflective cup mounting seat (703), and the reflective cup (702) is limited in the reflective cup mounting seat (703) through the reflective cup fixing ring (704); meanwhile, the anti-dazzle shading ring (9) is fixedly embedded at the front end of the reflecting cup fixing ring (704), and the outer wall of the circular ring (901) of the anti-dazzle shading ring (9) is in interference fit with the inner wall of the front end of the reflecting cup fixing ring (704).

5. The LED floodlight with the antiglare shield ring according to claim 4, characterized in that: LED lamp pearl subassembly (701) include a plurality of LED lamp pearl (7011), LED lamp pearl mounting panel (7012), LED lamp pearl PCB board (7013) and LED lamp pearl subassembly fixed screw (7014), all LED lamp pearl (7011) all inlay and establish on LED lamp pearl mounting panel (7012), all the rear end of LED lamp pearl (7011) all with LED lamp pearl PCB board (7013) are connected, LED lamp pearl mounting panel (7012) with wear to be equipped with a plurality of roots between LED lamp pearl PCB board (7013) LED lamp pearl subassembly fixed screw (7014), LED lamp pearl subassembly (701) are passed through LED lamp pearl subassembly fixed screw (7014) are fixed on the leading flank of median septum (4).

6. The LED floodlight with the antiglare shield ring according to claim 5, characterized in that: LED lamp pearl subassembly (701) are 3 lamp pearl subassemblies, including 3 LED lamp pearls (7011), 3 LED lamp pearl (7011) all inlay and establish on LED lamp pearl mounting panel (7012), and be article font structure evenly distributed.

7. The LED floodlight with the antiglare shield ring according to claim 5, characterized in that: LED lamp pearl subassembly (701) are 8 lamp pearl subassemblies, including 8 LED lamp pearls (7011), 8 LED lamp pearl (7011) all inlay and establish on LED lamp pearl mounting panel (7012), and wherein 7 be annular evenly distributed, and 1 remaining central authorities that are located loop configuration.

8. The LED floodlight having an antiglare shield ring according to claim 1, characterized in that: a front cover sealing ring (10) is arranged between the transparent front cover (8) and the front end opening of the lamp tube (1).

9. The LED floodlight having an antiglare shield ring according to claim 1, wherein: a rear cover sealing ring (11) is arranged between the rear cover (6) and the rear end opening of the lamp tube (1).

10. The LED floodlight having an antiglare shield ring according to claim 1, characterized in that: the utility model discloses a lamp tube (1) is characterized in that linking arm (3) is including rotatory upper arm (301), rotatory lower arm (302) and pivot screw (303), rotatory upper arm (301) comprises upper arm seat (3011) and joint right turn-round lid (3012), rotatory lower arm (302) comprises lower arm seat (3021) and joint left turn-round lid (3022), lower arm seat (3021) is hollow structure, the bottom of lower arm seat (3021) is fixed through corresponding screw the upper surface of base (2), joint left turn-round lid (3022) are fixed the top of lower arm seat (3021), upper arm seat (3011) is hollow structure, the top of upper arm seat (3011) is fixed through corresponding screw the lower surface of lamp section of thick bamboo (1), joint right turn-round lid (3012) is fixed the bottom of upper arm seat (3011), joint left turn-round lid (3022) with the disc inboard of right turn-round lid (3012) all is provided with adjust the profile of tooth, joint right turn-round lid (3012) and right turn-round lid (3012) is adjusted through the meshing about the screw lid (3022) and the mesh is in the same place.