CN220249766U - Optical module applied to narrow beam angle of spotlight - Google Patents

Abstract

The utility model discloses an optical module applied to a narrow beam angle of a spotlight, which comprises a bottom frame, a light-transmitting piece, a light-reflecting cup and a light source piece, wherein the light source piece is arranged on the bottom frame, the light-transmitting piece is a cup-shaped or cover-shaped structural member made of light-transmitting materials, the peripheral wall of the light-transmitting piece is a light-emitting peripheral wall, the light-transmitting piece is arranged on the upper side of the bottom frame and correspondingly covers the upper side of the light source piece, the end part of the light-transmitting piece corresponding to the light source piece is a light-gathering part, the light-reflecting cup is in a horn shape, the inner wall of the light-reflecting cup is a light-reflecting inner wall, the narrow end of the light-reflecting cup is connected with the upper side of the bottom frame, the light-transmitting piece coaxially penetrates through the narrow end of the light-reflecting cup and is arranged in the light-reflecting cup, and the light-emitting peripheral wall of the light-transmitting piece and the light-reflecting inner wall of the light-reflecting cup form an acute angle on a radial plane. The optical module applied to the narrow beam angle of the spotlight can greatly reduce light loss, well improve light utilization rate and enable light spots to be more uniform.

Description

Optical module applied to narrow beam angle of spotlight

Technical Field

The utility model relates to the technical field of spot lamps, in particular to an optical module applied to a narrow beam angle of a spot lamp.

Background

At present, the old spot lamp structure is simply provided with lamp beads or other luminous sources in the reflecting cup, the light emitted by the spot lamp of the luminous structure can generate larger light loss, and more light emitted quantity is reflected by disordered reflection or a purposeless design structure of the reflecting cup, so that the light is not scattered and concentrated, various uneven spots are easy to appear, the light utilization rate is not high, and improvement is needed.

Disclosure of Invention

The purpose of the utility model is that: the optical module applied to the narrow beam angle of the spotlight is high in light utilization rate, low in illumination loss and uniform in light spots.

The utility model provides an be applied to optical module of shot-light narrow beam angle, includes chassis, printing opacity spare, reflection of light cup and light source spare, the light source spare is installed on the chassis, printing opacity spare is cup-shaped or lid form's structure that printing opacity material was made, the periphery wall of printing opacity spare is the light-emitting perisporium, printing opacity spare sets up the upside of chassis and corresponds the cover and close the top of light source spare, printing opacity spare with the tip that the light source spare corresponds is spotlight portion, reflection of light cup is loudspeaker form, reflection of light cup's inner wall is reflection of light inner wall, reflection of light cup's narrow end with the upside of chassis is connected, printing opacity spare is coaxial follow reflection of light cup's narrow end passes and arranges in the reflection of light cup, the light-emitting perisporium of printing opacity spare with reflection of light cup's reflection of light inner wall all become the acute angle on radial plane.

As a preferable scheme of the utility model, the inner side wall surface of the light gathering part facing the light source part is a convex arc surface, and the outer side wall surface of the light gathering part facing away from the light source part is fully provided with hexagonal arc surface protrusions.

As a preferable mode of the present utility model, the inner peripheral wall and the light-emitting peripheral wall of the light-transmitting member are tapered peripheral wall surfaces.

As a preferable scheme of the utility model, the light-transmitting piece and the bottom frame are integrally formed, and the bottom side of the bottom frame is provided with a concave position for matching and installing the light source piece.

As a preferable mode of the utility model, the chassis is provided with a wiring groove for placing wires, one end of the wiring groove extends to the edge of the chassis, and the other end of the wiring groove extends to the light source piece.

Compared with the prior art, the optical module applied to the narrow beam angle of the spotlight has the beneficial effects that: during operation, the front light is refracted and transmitted through the light condensing part of the light transmitting piece to enable light to be trimmed, the light is prevented from being excessively scattered and radiated to form a concentrated main light beam, the light transmitted from the light emitting peripheral wall of the light transmitting piece is just reflected by the light reflecting inner wall of the light reflecting cup to adjust the light to the front main range of the axial direction of the light reflecting cup, so that the loss of the light is further reduced, the light emitted by the light source piece is finally concentrated in the range of the light emitting direction as much as possible, the light loss is greatly reduced, the light utilization rate is well improved, and the light spots are more uniform.

Drawings

FIG. 1 is an exploded view of an assembled structure of one embodiment of the present utility model;

FIG. 2 is an exploded view of the assembled structure of FIG. 1 at an alternative angle in accordance with the present utility model;

FIG. 3 is a cross-sectional view of an assembled structure of one embodiment of the present utility model;

fig. 4 is a schematic view of a light irradiation path according to an embodiment of the present utility model.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "mounted," "connected," and "connected" are to be construed broadly in this application, and may be either fixedly connected, detachably connected, or integrally connected, for example, unless otherwise explicitly stated and defined; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the description of the present utility model, it should be further understood that the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the machine or element in question must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model. It should be understood that the terms "first," "second," and the like are used herein to describe various information, but such information should not be limited to these terms, which are used merely to distinguish one type of information from another. For example, a "first" message may also be referred to as a "second" message, and similarly, a "second" message may also be referred to as a "first" message, without departing from the scope of the utility model.

Referring to fig. 1-4, an optical module for a narrow beam angle of a spotlight according to a preferred embodiment of the present utility model includes a chassis 1, a light-transmitting member 2, a reflective cup 3 and a light source member 4, wherein the light source member 4 is mounted on the chassis 1, the light-transmitting member 2 is a cup-shaped or cover-shaped structural member made of a light-transmitting material, an outer peripheral wall of the light-transmitting member 2 is a light-emitting peripheral wall 21, the light-transmitting member 2 is disposed on an upper side of the chassis 1 and correspondingly covers the upper side of the light source member 4, an end portion of the light-transmitting member 2 corresponding to the light source member 4 is a light-gathering portion 22, the reflective cup 3 is horn-shaped, an inner wall of the reflective cup 3 is a reflective inner wall 31, a narrow end of the reflective cup 3 is connected to the upper side of the chassis 1, the light-transmitting member 2 coaxially passes through the narrow end of the reflective cup 3 and is disposed in the reflective cup 3, the light-emitting peripheral wall 21 of the light-transmitting member 2 and the opposite light-reflecting inner wall 31 of the light-reflecting cup 3 form an acute angle on any radial plane, the light-gathering portion 22 of the light-transmitting member 2 and the wide end of the light-reflecting cup 3 are correspondingly in the same direction, the light-gathering portion 22 can be provided with corresponding curved surfaces or concave-convex shapes on the inner side surface and the outer side surface, so that when light passes through the light-gathering portion 22, the light-emitting direction of the emitted light is controlled by refraction in a medium, the light source member 4 is preferably an LED module, the LED lamp beads emit light when in operation, referring to fig. 4, the front emitted light is refracted and emitted through the light-gathering portion 22 of the light-transmitting member 2 to trim the light beam, so that the light beam is prevented from being excessively dispersed and radiated to form a relatively concentrated main light beam, and the light transmitted from the light-emitting peripheral wall 21 is exactly reflected by the light-reflecting inner wall 31 of the light-reflecting cup 3 to adjust the light beam to the front main range in the axial direction of the light-reflecting cup 3, thereby further reducing the light loss, finally, the light emitted by the light source 4 is concentrated in the range of the light emitting direction as much as possible, so that the light loss is greatly reduced, the light utilization rate is well improved, and the light spots are more uniform.

Referring to fig. 1 and 3, an exemplary inner side wall surface of the light condensing part 22 facing the light source part 4 is a convex arc surface, and a hexagonal arc surface protrusion 23 is fully arranged on an outer side wall surface of the light condensing part 22 facing away from the light source part 4, so that a uniform light spot can be formed after light passing through the light condensing part 22 is subjected to focusing correction and is output from the arc surface protrusion 23, and no auxiliary light spot exists.

Referring to fig. 1 and 3, the inner peripheral wall of the light-transmitting member 2 and the light-emitting peripheral wall 21 are tapered peripheral wall surfaces, and the light-emitting peripheral wall 21 is narrowed and extended from one end away from the light-condensing portion 22 toward the light-condensing portion 22, so that the passing light can be more uniformly and widely irradiated to the light-reflecting inner wall 31 of the light-reflecting cup 3 for reflection, and the light-emitting effect is ensured.

Referring to fig. 1-3, the light-transmitting member 2 and the chassis 1 are illustratively formed integrally, and the bottom side of the chassis 1 is provided with a recess 11 for matching and installing the light source member 4, so that the light source member 4 is only required to be installed from the bottom side of the chassis 1 during assembly, thereby avoiding the potential risk of misalignment that may occur when the light source member 4 and the light-transmitting member 2 are assembled twice, and improving the assembly efficiency.

Referring to fig. 1 and 2, the chassis 1 is illustratively provided with a wire slot 12 for placing wires, one end of the wire slot 12 extends to the edge of the chassis 1, the other end of the wire slot 12 extends to the light source member 4, preferably the wire slot 12 is located at the upper side of the chassis 1, and the other end thereof extends to one or both ends of the recess 11 and forms a through slot or through hole so as to be connected with the light source member 4 installed from the bottom side, thereby facilitating the wire arrangement in the wire slot 12 when connecting wires, avoiding the wire from being arranged in disorder, installing and operating the image module, and the chassis 1 is further provided with a screw hole site at the corner for fastening by a bolt or screw.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.

Claims (5)

1. An optical module applied to a narrow beam angle of a spotlight is characterized in that: the light source is arranged on the underframe, the light transmitting piece is a cup-shaped or cover-shaped structural member made of light transmitting materials, the peripheral wall of the light transmitting piece is a light-emitting peripheral wall, the light transmitting piece is arranged on the upper side of the underframe and corresponds to be covered on the upper side of the light source piece, the end part of the light transmitting piece corresponding to the light source piece is a light gathering part, the light reflecting cup is in a horn shape, the inner wall of the light reflecting cup is a light reflecting inner wall, the narrow end of the light reflecting cup is connected with the upper side of the underframe, the light transmitting piece coaxially penetrates through the narrow end of the light reflecting cup and is arranged in the light reflecting cup, and the light-emitting peripheral wall of the light transmitting piece and the light reflecting inner wall of the light reflecting cup form acute angle on a radial plane.

2. An optical module for a narrow beam angle of a spotlight according to claim 1, wherein: the light condensing part faces the inner side wall surface of the light source part to form a convex arc surface, and hexagonal arc surface protrusions are fully distributed on the outer side wall surface of the light condensing part facing away from the light source part.

3. An optical module for a narrow beam angle of a spotlight according to claim 1 or 2, characterized in that: the inner peripheral wall and the light-emitting peripheral wall of the light-transmitting member are both tapered peripheral wall surfaces.

4. An optical module for a narrow beam angle of a spotlight according to claim 1 or 2, characterized in that: the light-transmitting piece and the bottom frame are integrally formed, and a concave position for matching and installing the light source piece is arranged on the bottom side of the bottom frame.

5. An optical module for a narrow beam angle of a spotlight according to claim 1 or 2, characterized in that: the chassis is provided with a wiring groove for placing wires, one end of the wiring groove extends to the edge of the chassis, and the other end of the wiring groove extends to the light source piece.