CN216744072U

CN216744072U - Light distribution type lamp

Info

Publication number: CN216744072U
Application number: CN202220242713.9U
Authority: CN
Inventors: 邓津; 毛逍然
Original assignee: Ningbo Zhongruiyuan Health Photoelectric Technology Co ltd
Current assignee: Ningbo Zhongruiyuan Health Photoelectric Technology Co ltd
Priority date: 2022-01-28
Filing date: 2022-01-28
Publication date: 2022-06-14
Anticipated expiration: 2032-01-28

Abstract

The utility model discloses a light distribution type lamp, which comprises a lampshade and a light emitting source arranged in the lampshade, wherein the lampshade is provided with a light outlet, a light distribution plate is arranged at the light outlet, the light distribution plate is provided with an outward bulge, and an inward concave surface is arranged between the bulge and the light distribution plate; can carry out initiative grading to the light that the light emitting source sent through the light distribution board, the light that will see through the light distribution board through the interior concave surface on the light distribution board promptly compensates to the edge to make the light of light on the illumination face comparatively even, the bellying that sets up simultaneously, further compensatied the light distribution board middle part and connect the phenomenon that the middle part illumination is stronger and the side is darker that the light source brought. Because the thickness at middle part is greater than side portion, consequently the number of times that the light through the bellying takes place to interfere diffusion is more to the realization is broken up the light at middle part, makes it to diffusion all around, avoids appearing that middle part illumination intensity is far more than the appearance that leads to the facula all around.

Description

Light distribution type lamp

Technical Field

The utility model relates to the field of lamps, in particular to a light distribution type lamp.

Background

Lamps and lanterns are as the instrument for illumination, are used widely in all kinds of trades, especially daily illumination uses. The existing lamp mostly adopts an LED lamp as a light source for illumination, and although the LED lamp has the advantages of energy conservation, simple manufacture and the like, compared with a halogen lamp, the LED lamp has poor color rendering property and large difference with natural light.

The metal halide lamp is a third-generation green lighting source which rises in the world after incandescent lamps and halogen lamps, has the advantages of high lighting effect, good color rendering property and the like, not only becomes the first choice of light sources of high-grade cars, rear projection televisions and the like, but also can be widely applied to the fields of military affairs, expeditions, underwater operation, field search and rescue and the like. Compared with the common incandescent lamp, the metal halide lamp has obvious energy-saving effect and wide market application prospect.

The metal halide lamp can be used as a strong illumination light source used in outdoor work, and can be used as an excellent illumination light source indoors due to the property of the metal halide lamp closest to natural light, so that users, students and the like can read or work by using the metal halide lamp with better use property as the illumination light source.

When the metal halide lamp is used, the illumination intensity is higher compared with that of a common LED energy-saving lamp, so that the metal halide lamp is better in color rendering property when being used alone, but is not suitable for being directly irradiated on an article or a book due to higher intensity, and the influence on eyes of a user due to strong light reflection is avoided. Meanwhile, when the halogen lamp is used, a single light source is usually used independently for illumination, and particularly when the halogen lamp is used as a ceiling lamp or an indoor light source, the phenomenon that light rays right below the lamp are strong and light rays around the lamp are weak is easily formed, so that obvious light spots are formed right below the lamp, and the halogen lamp has high requirements on the uniformity of light irradiation particularly when used as a lamp in a classroom. Therefore, the light emitted from the metal halide lamp needs to be diffused by the diffusion plate, but the existing diffusion plate can play a role of diffusion, but the phenomenon that light spots are formed on the irradiation surface due to the fact that the light intensity of the middle part is large still exists. The application provides a light distribution type lamp, which aims at a point light source, in particular to a lamp capable of actively distributing light by using a metal halide lamp with a single light source.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: the light distribution type lamp is simple in structure and capable of conducting light dispersion and distribution processing.

In order to solve the technical problem, the utility model is solved by the following technical scheme: a light distribution type lamp comprises a lamp shade and a light emitting source arranged in the lamp shade, wherein the lamp shade is provided with a light outlet, a light distribution plate is arranged at the light outlet, an outward bulge part is arranged on the light distribution plate, and an inner concave surface is arranged between the bulge part and the light distribution plate.

Furthermore, the convex part is arranged right below the light-emitting source; the advantage lies in under the light emitting source nearest with the grading board, and the light intensity of this department is the biggest during printing opacity, and the bellying of setting makes this department thickness increase, and is more abundant to the diffusion of light, reduces the luminance of this department to balanced light sees through the light intensity on the illuminated surface behind the grading board.

Furthermore, the bulge part and the light distribution plate are integrally formed, and the light distribution plate is detachably matched with the lampshade; the advantage lies in being convenient for enterprise's production and processing through integrated into one piece setting, and effectively reduces the assembly process in the cooperation process. When the split type LED lamp is adopted, an air gap exists between the light distribution plate and the protruding portion or the loss of light passing through different media is increased when the light is fixed through adhesion, so that the light utilization efficiency is reduced.

Furthermore, the light distribution plate is disc-shaped, the bulge part is arranged at the center of the light distribution plate, and the concave surface is in smooth transition; the advantage lies in can be with the more effective edge of orientation of the light that sees through the distribution board divergence compensation through smooth transition's interior concave surface, is favorable to improving marginal portion's illumination to make the light intensity on the illumination face the same, avoid appearing the facula of luminance anomaly because of the difference of illuminance.

Furthermore, the thicknesses of all parts of the light distribution plate are the same; the advantage lies in can forming the recess of similar tapered through the thickness is the same above the grading bar, effective save material cost, simultaneously because the calorific capacity of halogen lamp is great, still can make the temperature spill more even through the design of even thickness, avoids the grading plate shape that the inhomogeneous of temperature leads to become.

Furthermore, a light-gathering cover is arranged in the lampshade, the light-emitting source is detachably arranged in the light-gathering cover, a light-transmitting opening is formed in the lower end of the light-gathering cover, and a light-transmitting plate is arranged on the light-gathering cover and is positioned at the light-transmitting opening; the advantage lies in can effectively provide the utilization of light source through the snoot setting for light concentrates downwards and sees out from light-emitting outlet department.

Furthermore, a fixing ring is detachably arranged on the light-gathering cover, and the light-gathering cover is fixed with the lampshade through the fixing ring; the advantage lies in realizing the independent setting of snoot through solid fixed ring, only is connected fixedly through solid fixed ring and lamp shade promptly to make and form air insulation layer between lamp shade and the snoot, avoid the lamp shade high temperature phenomenon that the user is scalded to the appearance.

Furthermore, a pressing groove is formed in the upper end of the light source, and a pressing sheet matched with the pressing groove and used for pressing the light source is detachably arranged on the upper end of the light-gathering cover; the advantage lies in can carrying out further fixed to it after the light emitting source installation is accomplished through the cooperation that compresses tightly groove and compressing tightly the piece, prevents its rotation, avoids rocking because of the light emitting source that factors such as vibrations lead to, or contact failure phenomenon.

Furthermore, the upper end of the lampshade is also provided with a hook for hanging installation; the advantage lies in can make things convenient for hanging and the installation of lamps and lanterns through the setting of couple, improves user's use and experiences.

Furthermore, the light distribution plate is a diffusion plate; the advantage lies in can realize through the cooperation of diffuser plate and interior concave surface that light will disperse when reliably fully dispersing and compensate towards the edge part to make the light intensity of illuminating the face more even stable.

Compared with the prior art, the utility model has the following beneficial effects: can carry out initiative grading to the light that the light emitting source sent through the distribution board, the light that will see through the distribution board through the interior concave surface on the distribution board promptly compensates to the edge to make the light of light on the illumination face comparatively even, avoided the pointolite, especially this kind of strong light source of halogen lamp, the light intensity difference that appears the illumination face when using, especially when reading, shine certain department can appear in the light intensity difference in writing for the phenomenon of comparatively bright dazzling around, avoid appearing the facula.

Meanwhile, the arranged bulge part further compensates the phenomenon that the middle part of the light distribution plate is strong in illumination and the side edge is dark due to the fact that the middle part of the light distribution plate is close to the light source. Because the thickness at middle part is greater than side portion, consequently the number of times that the light through the bellying takes place to interfere diffusion is more to the realization is broken up the light at middle part, makes it to diffusion all around, avoids appearing that middle part illumination intensity is far more than the appearance that leads to the facula all around.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the assembly of the lampshade and the light distribution plate of the present invention;

FIG. 3 is a schematic cross-sectional view of FIG. 2;

FIG. 4 is a disassembled view of the lamp enclosure of the present invention;

FIG. 5 is a schematic view of the light-gathering cover of the present invention;

FIG. 6 is a disassembled view of the snoot of the present invention;

FIG. 7 is a schematic view of a light distribution plate according to the present invention;

FIG. 8 is a cross-sectional view of FIG. 7;

FIG. 9 is a schematic view of a light path according to an embodiment;

FIG. 10 is a second schematic view of the light path according to one embodiment;

FIG. 11 is a schematic cross-sectional view of a light distribution plate according to a second embodiment;

fig. 12 is a light path diagram of a point light source using a conventional light distribution plate.

Detailed Description

The present invention is described in further detail below with reference to the accompanying drawings.

The following description is provided to disclose the utility model so that others skilled in the art may practice the utility model. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The principles of the utility model, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents and other technical solutions without departing from the spirit and scope of the utility model.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or position relative to one another as illustrated in the figures, which is intended to simplify the description of the present disclosure, but does not indicate or imply that the referenced devices or elements must be in a particular orientation, constructed, and operated in a particular orientation, and thus, the above-described terms are not to be construed as limiting the present disclosure.

It should be noted that although the conventional light distribution plate is shown in fig. 12 as a flat plate, although it can diffuse and transmit the transmitted light, when the illuminance of the light source is strong, a phenomenon that the brightness part is balanced still occurs on the illumination plane, that is, the brightness at the middle part is much greater than that at the periphery, and abnormal light spots occur, where an angle a is a diffusion angle of a beam of light after passing through the diffusion plate.

Embodiment one, as shown in fig. 1 to 11, a grading type lamps and lanterns, including lamp shade 1 and the light emitting source 2 of setting in lamp shade 1, this light emitting source 2 is the metal halide lamp, lamp shade 1 be provided with light-emitting window 3, lamp shade 1 can dismantle and be provided with snap ring 13, snap ring 13 and lamp shade 1 threaded connection, the integrative boss 14 that is provided with on snap ring 13, light-emitting window 3 department be provided with grading board 4 that comprises the diffuser plate, grading board 4 shelters from light-emitting window 3, and grading board 4 sets up on boss 14 to the cooperation of dismantling of grading board 4 and lamp shade 1 is realized.

In order to realize the light distribution function of the light distribution plate 4, an outward bulge part 5 is integrally arranged on the lower end surface of the light distribution plate 4, and an inner concave surface 6 is arranged between the bulge part 5 and the light distribution plate 4; this light distribution plate 4 is the disc, bellying 5 set up in the center department of light distribution plate 4, just interior concave surface 6 smooth transition to make light distribution plate 4 be the shape of similar cone, the side indent of this cone. Thereby compensate to the edge of light distribution plate 4 when light sees through light distribution plate 4 from the interior concave surface 6 department of dispersing to reduce the luminous flux of light distribution plate 4 central part, make light transmission when the exposure surface, the light intensity on the exposure surface is comparatively even, unusual bright spot can not appear.

Furthermore, a light-gathering cover 7 is arranged in the lampshade 1, the light-emitting source 2 is assembled in the light-gathering cover 7 through threads, a light-transmitting opening 8 is formed in the lower end of the light-gathering cover 7, a light-transmitting plate 9 is further arranged on the light-gathering cover 7, and the light-transmitting plate 9 is located at the light-transmitting opening 8; the snoot 7 through dismantling of bolt be provided with solid fixed ring 10, the light-passing board 9 is located between solid fixed ring 10 and the snoot 7, compresses tightly the translucent cover through solid fixed ring 10, simultaneously this snoot 7 through solid fixed ring 10 with lamp shade 1 fixed mutually. Be provided with at foretell light emitting source 2's upper end and compress tightly groove 11, the upper end of snoot 7 can dismantle and be provided with and compress tightly groove 11 and cooperate and be used for compressing tightly the compressing tightly piece 12 of light emitting source 2 to avoid installing the rotation that the back was accomplished because of leading to the metal halide lamp outward such as vibrations, improve the steadiness of metal halide lamp. In order to facilitate the installation of the lamp, a hook 15 for hanging installation is also arranged at the upper end of the lampshade 1.

An embodiment two, a grading type lamps and lanterns, including lamp shade 1 and the light emitting source 2 of setting in lamp shade 1, this light emitting source 2 is the metal halide lamp, lamp shade 1 be provided with light-emitting window 3, lamp shade 1 can dismantle and be provided with snap ring 13, snap ring 13 and 1 threaded connection of lamp shade, the integrative boss 14 that is provided with on snap ring 13, light-emitting window 3 department be provided with the grading board 4 that comprises the diffuser plate, the grading board 4 shelters from light-emitting window 3, and grading board 4 sets up on boss 14 to the cooperation of dismantling of grading board 4 and lamp shade 1 is realized.

In order to realize the light distribution function of the light distribution plate 4, an outward bulge part 5 is integrally arranged on the lower end surface of the light distribution plate 4, the thicknesses of all parts of the light distribution plate 4 are the same, and an inward concave surface 6 is arranged between the bulge part 5 and the light distribution plate 4; this light distribution plate 4 is the disc that the middle part is sunken, bellying 5 set up in the center department of light distribution plate 4, just interior concave surface 6 smooth transition to make light distribution plate 4 be similar hollow cone shape, the side indent of this cone, as shown in fig. 11. Thereby compensate to the edge of light distribution plate 4 when light sees through light distribution plate 4 from the interior concave surface 6 department of dispersing to reduce the luminous flux of light distribution plate 4 central part, make light transmission when the exposure surface, the light intensity on the exposure surface is comparatively even, unusual bright spot can not appear. The thicknesses of all parts of the light distribution plate 4 are the same, so that the material consumption in the production of enterprises is greatly reduced, and the enterprise cost is effectively reduced.

The third embodiment of the utility model provides a light distribution type lamp, which comprises a lampshade 1 and a light emitting source 2 arranged in the lampshade 1, wherein the light emitting source 2 is a metal halide lamp, the lampshade 1 is provided with a light outlet 3, the lampshade 1 is detachably provided with a clamping ring 13, the clamping ring 13 is in threaded connection with the lampshade 1, a boss 14 is integrally arranged on the clamping ring 13, a light distribution plate 4 composed of a diffusion plate is arranged at the light outlet 3, the light outlet 3 is shielded by the light distribution plate 4, and the light distribution plate 4 is erected on the boss 14, so that the detachable matching of the light distribution plate 4 and the lampshade 1 is realized.

In order to realize the light distribution function of the light distribution plate 4, the light distribution plate 4 is in a flat plate shape, an outward bulge part 5 can be arranged on the lower end face of the light distribution plate 4, the bulge part 5 can be fixed with the light distribution plate 4 in a bonding mode or the like, and an inward concave surface 6 is arranged between the side face of the bulge part 5 and the light distribution plate 4; this grading board 4 is the disc, bellying 5 set up in the center department of grading board 4, just interior concave surface 6 smooth transition to make grading board 4 be similar cone shape, the side indent of this cone. Thereby compensate to the edge of light distribution plate 4 when light sees through light distribution plate 4 from the interior concave surface 6 department of dispersing to reduce the luminous flux of light distribution plate 4 central part, make light transmission when the exposure surface, the light intensity on the exposure surface is comparatively even, unusual bright spot can not appear.

An embodiment four, a grading type lamps and lanterns, including lamp shade 1 and the light emitting source 2 of setting in lamp shade 1, this light emitting source 2 is the metal halide lamp, lamp shade 1 be provided with light-emitting window 3, lamp shade 1 can dismantle and be provided with snap ring 13, snap ring 13 and 1 threaded connection of lamp shade, the integrative boss 14 that is provided with on snap ring 13, light-emitting window 3 department be provided with the grading board 4 that comprises the diffuser plate, the grading board 4 shelters from light-emitting window 3, and grading board 4 sets up on boss 14 to the cooperation of dismantling of grading board 4 and lamp shade 1 is realized.

In order to realize the light distribution function of the light distribution plate 4, an outward bulge part 5 is arranged on the lower end surface of the light distribution plate 4, and an inward concave surface 6 is arranged between the bulge part 5 and the light distribution plate 4; this light distribution plate 4 is the polygon, bellying 5 set up in the center department of light distribution plate 4, just interior concave surface 6 smooth transition to make light distribution plate 4 be similar many pyramids shape, the side indent of this pyramid. Thereby when light sees through distribution board 4 from the interior concave surface 6 when dispersing the department to the edge of distribution board 4 carries out directional compensation to reduce the luminous flux of distribution board 4 central part, make light transmission when the exposure surface, the light intensity on the exposure surface is comparatively even, unusual bright spot can not appear.

The fifth embodiment provides a light distribution type lamp, including lamp shade 1 and the light emitting source 2 of setting in lamp shade 1, this light emitting source 2 is the pointolite, concentrates a plurality of lamp pearls of setting to regard as the pointolite when giving out light, lamp shade 1 be provided with light outlet 3, lamp shade 1 can dismantle and be provided with snap ring 13, snap ring 13 and 1 threaded connection of lamp shade, an organic whole is provided with boss 14 on the snap ring 13, light outlet 3 locate to be provided with the grading board 4 that constitutes by the diffuser plate, grading board 4 shelters from light outlet 3, and grading board 4 sets up on boss 14 to realize the cooperation of dismantling of grading board 4 and lamp shade 1.

In order to realize the light distribution function of the light distribution plate 4, the light distribution plate 4 is in a square shape, an outward protruding part 5 is arranged on the lower end face of the light distribution plate 4, an inner concave face 6 is arranged between the protruding part 5 and the light distribution plate 4, the protruding part 5 is arranged at the edge of the light distribution plate 4, the inner concave face 6 is in smooth transition, so that the light distribution plate 4 is in a shape similar to a triangular prism, and the side surface of the prism is concave inwards to form a cylindrical surface. Thereby when light shines through light distribution plate 4 and diverges the department from interior concave surface 6 and carry out directional compensation to the appointed direction of light distribution plate 4, carry out light compensation to the featheredge department of rhombus post promptly to make light transmission when appointed shine the face, the light intensity on the face of shining is comparatively even, unusual bright spot can not appear.

It will be appreciated by persons skilled in the art that the embodiments of the utility model described above and shown in the drawings are given by way of example only and are not limiting of the utility model. The objects of the utility model have been fully and effectively accomplished. The functional and structural principles of the present invention have been shown and described in the examples, and any variations or modifications of the embodiments of the present invention may be made without departing from the principles.

Claims

1. A light distribution type lamp comprises a lamp shade and a light emitting source arranged in the lamp shade, wherein the lamp shade is provided with a light outlet.

2. A light distribution type lamp as claimed in claim 1, wherein said convex portion is disposed right below said light emission source.

3. A light distribution type lamp as claimed in claim 1, wherein the projection is integrally formed with the light distribution plate, and the light distribution plate is detachably fitted to the lamp cover.

4. A light distribution type lamp as claimed in claim 1, wherein the light distribution plate is disc-shaped, the protrusion is disposed at the center of the light distribution plate, and the concave surface is smooth and transitional.

5. A light distribution type lamp as claimed in any one of claims 1 to 4, wherein the thickness of the light distribution plate is the same throughout.

6. A light distribution type lamp as claimed in claim 1, wherein a light gathering cover is arranged in the lamp shade, the light source is detachably arranged in the light gathering cover, a light transmitting opening is arranged at the lower end of the light gathering cover, and a light transmitting plate is further arranged on the light gathering cover and located at the light transmitting opening.

7. A light distribution type lamp as claimed in claim 6, wherein the light gathering cover is detachably provided with a fixing ring, and the light gathering cover is fixed with the lamp shade through the fixing ring.

8. A light distribution type lamp as claimed in claim 6, wherein a pressing groove is provided at an upper end of the light source, and a pressing piece for pressing the light source is detachably provided at an upper end of the light gathering cover and is matched with the pressing groove.

9. A light distribution type lamp as claimed in claim 1, wherein a hook for hanging is further provided at an upper end of the lamp cover.

10. A light distribution type lamp as recited in claim 1, wherein said light distribution plate is a diffuser plate.