CN211040844U

CN211040844U - Elliptical light source

Info

Publication number: CN211040844U
Application number: CN201922497543.XU
Authority: CN
Inventors: 熊江
Original assignee: Shenzhen Oupoda Technology Co ltd
Current assignee: Shenzhen Oupoda Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-07-17
Anticipated expiration: 2029-12-31

Abstract

The application provides an elliptical light source, which comprises a reflection lampshade and a light source lamp panel, wherein the reflection lampshade is of a strip-shaped structure, a reflection groove extending along the length direction of the reflection lampshade is formed in the inner side surface of the reflection lampshade, a reflection film is pasted on the surface of the reflection groove, and the light source lamp panel is placed in the reflection groove and extends along the length direction of the reflection groove; the longitudinal section of the reflecting groove is in a quarter-ellipse shape, and the light source lamp panel is positioned at the focus position of the ellipse; when the light source lamp panel works, light rays are converged at the other focus under the action of the reflecting film on the reflecting groove, so that the illumination brightness is enhanced, emergent light is relatively more uniform under the action of the reflecting film, and the illumination effect of the light source is obviously improved.

Description

Elliptical light source

Technical Field

The utility model relates to a machine vision detects the light source field, indicates especially an elliptical light source.

Background

The L ED lamp has been widely used in various illumination fields, generally, L ED lamp is used directly to illuminate, although a certain illumination effect can be obtained, but the light energy utilization rate is low, and in some fields, such as the machine vision detection field, the illumination requirement is usually high, many times, the requirement cannot be met by directly using L ED lamp to illuminate, the illumination brightness is not strong enough, and the reflected light is not uniform enough, which causes the poor illumination effect of the whole light source, and further influences the subsequent visual detection work.

Disclosure of Invention

In order to solve the problem, the utility model provides an elliptical light source makes illumination luminance reinforcing to emergent light is more even relatively under the effect of reflectance coating, thereby is showing the illuminating effect who has improved the light source.

In order to achieve the above object, the utility model adopts the following technical scheme: an elliptical light source comprises a reflecting lampshade and a light source lamp panel, wherein the reflecting lampshade is of a strip structure, a reflecting groove extending along the length direction of the reflecting lampshade is formed in the inner side surface of the reflecting lampshade, a reflecting film is attached to the surface of the reflecting groove, and the light source lamp panel is placed in the reflecting groove and extends along the length direction of the reflecting groove; the longitudinal section of the reflecting groove is in a quarter-ellipse shape, and the light source lamp panel is located at the focus position of the ellipse.

Further, the light source lamp plate is bar L ED lamp plate.

Furthermore, the lateral surface integrated into one piece of reflector lamp shade has two baffles that extend along reflector lamp shade length direction, and the lateral surface of two baffles and reflector lamp shade encloses into the radiating groove, and wherein the lateral surface integrated into one piece of reflector lamp shade has a plurality of fin that extend along reflector lamp shade length direction, and a plurality of fin are located the radiating groove and arrange along perpendicular to reflector lamp shade length direction.

The heat dissipation structure further comprises a heat dissipation mounting plate and a heat dissipation fan, wherein the heat dissipation mounting plate and the two partition plates are assembled and cover the surface of the heat dissipation groove, a fan mounting hole communicated with the heat dissipation groove is formed in the surface of the heat dissipation mounting plate, and the heat dissipation fan is mounted in the fan mounting hole and fixed.

Further, all be provided with the spout that extends along self length direction on two baffles, just the both sides of heat dissipation mounting panel all are provided with the slide rail that corresponds the spout, wherein the heat dissipation mounting panel passes through the slide rail setting in the spout of two baffles to the realization is removed along the spout direction.

Furthermore, the two ends of the reflecting lamp shade are also provided with dust-proof plates which are respectively covered at the two ends of the reflecting groove and the radiating groove.

The beneficial effects of the utility model reside in that: in this application, be its longitudinal section for quarter ellipse shape with the reflecting groove design, and the design of light source lamp plate is located the oval focus position of reflecting groove, and this product mainly is the optical characteristic who utilizes oval focus: the light is emitted from one focus of the ellipse, and after being reflected by the ellipse, the reflected light must pass through the other focus of the ellipse, so that a layer of reflecting film is attached to the surface of the reflecting groove, and the light source lamp panels are arranged in a row and are uniformly distributed on the focus of the ellipse. When the light source lamp panel works, light rays are converged at the other focus under the action of the reflecting film on the reflecting groove, so that the illumination brightness is enhanced, emergent light is relatively more uniform under the action of the reflecting film, and the illumination effect of the light source is obviously improved.

Drawings

Fig. 1 is a schematic perspective view of an elliptical light source according to the present invention.

Fig. 2 is a schematic perspective view of another view angle of the elliptical light source of the present invention.

Fig. 3 is an explosion structure diagram of the elliptical light source of the present invention.

Fig. 4 is a schematic side view of the middle reflector lamp cover of the present invention.

Fig. 5 is a schematic perspective view of the heat dissipation installation plate of the present invention.

Fig. 6 is a schematic side view of the heat dissipating plate of the present invention.

Fig. 7 is a schematic view of the working principle of the elliptical light source of the present invention.

The reference numbers illustrate: 1. a reflective lamp cover; 11. a reflective trough; 12. a heat sink; 121. a partition plate; 1211. a chute; 122. a heat sink; 2. a light source lamp panel; 3. a dust-proof plate; 4. a heat dissipation mounting plate; 41. a fan mounting hole; 42. a slide rail; 5. a heat dissipation fan.

Detailed Description

Referring to fig. 1-7, the present invention relates to an elliptical light source, which includes a reflective lamp shade 1 and a light source lamp panel 2, wherein the reflective lamp shade 1 is a strip structure, and a reflective groove 11 extending along a length direction of the reflective lamp shade 1 is disposed on an inner side surface of the reflective lamp shade 1, and a reflective film is attached to a surface of the reflective groove 11, wherein the light source lamp panel 2 is disposed in the reflective groove 11 and extends along the length direction of the reflective groove 11; the longitudinal section of the reflecting groove 11 is in a quarter-ellipse shape, and the light source lamp panel 2 is located at the focus position of the ellipse.

Referring to fig. 7, in the present application, the reflective trough 11 is designed to have a quarter-ellipse shape in longitudinal section, and the light source lamp panel 2 is designed to be located at the focus (F1 in fig. 7) of the ellipse of the reflective trough 11, and the product mainly uses the optical characteristics of the focus of the ellipse: the light is emitted from one focus of the ellipse (F1 in figure 7), and after being reflected by the ellipse, the reflected light must pass through the other focus of the ellipse (F2 in figure 7), so that a layer of reflective film is attached to the surface of the reflective groove 11, and the light source lamp panels 2 are arranged in a row and uniformly distributed on the focus of the ellipse (F1 in figure 7). When the light source lamp panel 2 works, light rays are converged at another focus (F2 in fig. 7) under the action of the reflecting film on the reflecting groove 11, so that the illumination brightness is enhanced, emergent light is relatively more uniform under the action of the reflecting film, and the illumination effect of the light source is remarkably improved. In the present embodiment, when the above-mentioned elliptical light source is applied to the field of machine vision inspection, the product to be inspected is placed at another focus of the ellipse in the elliptical light source (F2 in fig. 7), so that the illumination effect of the light source can be greatly improved; and the light energy utilization rate is improved, and more energy is saved.

Meanwhile, in the elliptical light source, the section bar of the reflecting lamp shade 1 is made of metal materials, the machining forming means is many, and compared with quartz (high in hardness and brittleness) which can only be formed by grinding, the forming method is easier and the yield is high.

Further, the light source lamp plate 2 is a strip L ED lamp plate in this embodiment, the light source lamp plate 2 is a L ED lamp plate, wherein the L ED lamp plate is low in cost, low in power consumption, long in service life, high in brightness and flexible, but it should be noted that the above embodiments are only to describe the preferred embodiments of the present invention, and not to limit the scope of the present invention, without departing from the design spirit of the present invention, various modifications and improvements made to the light source lamp plate 2 by the ordinary engineers in the art.

Referring to fig. 1-4, further, two partition plates 121 extending along the direction of the reflector housing 1 are integrally formed on the outer side surface of the reflector housing 1, the two partition plates 121 and the outer side surface of the reflector housing 1 enclose a heat sink 12, wherein a plurality of heat sinks 122 extending along the length direction of the reflector housing 1 are integrally formed on the outer side surface of the reflector housing 1, and the plurality of heat sinks 122 are located in the heat sink 12 and arranged along the length direction perpendicular to the reflector housing 1. In the embodiment, in order to improve the heat dissipation effect, a plurality of heat dissipation fins 122 are disposed on the outer side surface of the reflection lampshade 1, and since the heat dissipation fins 122 are integrally formed with the reflection lampshade 1, the heat can be transferred to the heat dissipation fins 122 through the reflection grooves 11, and then the heat is dissipated to the outside of the reflection lampshade 1.

Referring to fig. 1-5, the heat sink further includes a heat sink mounting plate 4 and a heat sink fan 5, wherein the heat sink mounting plate 4 and two partition plates 121 are assembled and cover the surface of the heat sink 12, and the surface of the heat sink mounting plate 4 is provided with a fan mounting hole 41 communicating with the heat sink 12, wherein the heat sink fan 5 is installed in the fan mounting hole 41 and fixed. In this embodiment, in order to further improve the heat dissipation effect, the heat dissipation mounting plate 4 and the two partition plates 121 are fitted and covered on the surface of the heat dissipation groove 12, and the heat dissipation fan 5 is installed in the fan mounting hole 41 to perform air draft heat dissipation.

Referring to fig. 4-6, the two partition plates 121 are respectively provided with a sliding slot 1211 extending along the length direction thereof, and two sides of the heat dissipating mounting plate 4 are respectively provided with a sliding rail 42 corresponding to the sliding slot 1211, wherein the heat dissipating mounting plate 4 is disposed in the sliding slot 1211 of the two partition plates 121 through the sliding rail 42 and moves along the sliding slot 1211. In this embodiment, in order to facilitate the installation and the disassembly, the heat dissipation mounting plate 4 and the partition plate 121 are assembled by sliding the sliding rail 42 and the sliding groove 1211, that is, when the disassembly is needed, only the heat dissipation mounting plate 4 needs to be pushed, so that the heat dissipation mounting plate 4 moves along the sliding groove 1211, and the whole installation process is more convenient and faster.

Referring to fig. 1-3, two ends of the reflector lamp cover 1 are further provided with dust-proof plates 3, and the two dust-proof plates 3 cover two ends of the reflector 11 and the heat sink 12, respectively.

The above embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by the technical solution of the present invention by those skilled in the art are all within the scope of the present invention as defined by the claims.

Claims

1. An elliptical light source, characterized by: the LED lamp comprises a reflecting lampshade and a light source lamp panel, wherein a reflecting groove extending along the length direction of the reflecting lampshade is formed in the inner side surface of the reflecting lampshade, a reflecting film is pasted on the surface of the reflecting groove, and the light source lamp panel is placed in the reflecting groove and extends along the length direction of the reflecting groove; the longitudinal section of the reflecting groove is in a quarter-ellipse shape, and the light source lamp panel is located at the focus position of the ellipse.

2. The elliptical light source of claim 1, wherein the light source panel is a strip L ED panel.

3. The elliptical light source of claim 1, wherein: the outer side surface of the reflection lampshade is integrally formed with two partition plates extending along the length direction of the reflection lampshade, the two partition plates and the outer side surface of the reflection lampshade enclose a heat dissipation groove, the outer side surface of the reflection lampshade is integrally formed with a plurality of cooling fins extending along the length direction of the reflection lampshade, and the plurality of cooling fins are located in the heat dissipation groove and are arranged along the length direction of the reflection lampshade.

4. An elliptical light source as defined in claim 3, wherein: the heat dissipation structure is characterized by further comprising a heat dissipation mounting plate and a heat dissipation fan, wherein the heat dissipation mounting plate and the two partition plates are assembled and cover the surface of the heat dissipation groove, a fan mounting hole communicated with the heat dissipation groove is formed in the surface of the heat dissipation mounting plate, and the heat dissipation fan is mounted in the fan mounting hole.

5. The elliptical light source of claim 4, wherein: all be provided with the spout that extends along self length direction on two baffles, just the both sides of heat dissipation mounting panel all are provided with the slide rail that corresponds the spout, wherein the heat dissipation mounting panel passes through the slide rail setting in the spout of two baffles to the realization is removed along the spout direction.

6. An elliptical light source as defined in claim 3, wherein: the two ends of the reflecting lamp shade are also provided with dustproof plates which cover the two ends of the reflecting groove and the two ends of the radiating groove respectively.