CN211925657U - Light-transmitting unit and working lamp - Google Patents

Abstract

The utility model provides a printing opacity unit and work lamp, wherein the printing opacity unit is suitable for the light that supplies an at least light source to send to pass through, wherein the printing opacity unit includes a first printing opacity portion and a second printing opacity portion, wherein first printing opacity portion connect in second printing opacity portion and protrusion in second printing opacity portion, first printing opacity portion certainly second printing opacity portion is towards this light source position protrusion, first printing opacity portion with the refracting index of second printing opacity portion is different.

Description

Light-transmitting unit and working lamp

Technical Field

The utility model relates to the lamps and lanterns field especially involves printing opacity unit and work lamp.

Background

The working lamp has various use environments, and sometimes needs to converge light to intensively illuminate a certain area, and sometimes needs to diffuse light to illuminate a larger range. That is, the focal length of the working lamp needs to be variable in practical use to suit different environments.

The work lights currently on the market achieve the above-mentioned objectives mainly in two ways. One is by way of setting up a condenser lens or a astigmatic lens in front of the light source of the working lamp respectively, when the working lamp needs to work in the condensing mode, the condenser lens is moved to the front of the light source to make the light converged by the condenser lens, and when the working lamp needs to work in the astigmatic mode, the astigmatic lens is moved to the front of the light source to make the light diffused by the astigmatic lens. It is apparent that this way makes the entire work lamp need to be provided with a driving mechanism to drive the condenser lens or the diffuser lens to move, so that the structure of the work lamp becomes complicated.

Another way is to vary the focal length of the working lamp by varying the focal length of the lens group or varying the distance between the light source and the light-transmitting unit in the axial direction. It is clear that a working lamp designed in this way requires sufficient space for the variable lens group or the moving lens or the light source and the associated mechanisms are configured such that the focal length of the lens group is variable. The size of the working lamp in the axial direction needs to be enlarged to accommodate the focal length variation.

It is worth noting that at present, consumer demands for portability of the worklight are increasing, that is, this puts higher demands on the size of the worklight. The miniaturization of working lamps is a direction of development.

The above-described two types of operating lamps are not only contrary to the trend of miniaturization, but also advantageous in reducing the manufacturing cost of the operating lamps.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a printing opacity unit and working lamp, wherein simple design the different light efficiencies just can be realized to the printing opacity unit.

Another object of the present invention is to provide a light transmitting unit and a work light, wherein the work light can be designed to be small-sized while being capable of zooming.

Another object of the present invention is to provide a light transmitting unit and a working lamp, wherein a light source of the working lamp and a distance between the light transmitting units can be kept fixed to achieve zooming.

Another object of the present invention is to provide a light transmitting unit and a working lamp, wherein different light transmitting regions of the light transmitting unit correspond to different focal lengths, so that light passes through the angle and direction of radiation behind the light transmitting unit can be different.

Another object of the present invention is to provide a light transmitting unit and a working lamp, wherein the working lamp has a light source capable of maintaining the light source and the light transmitting unit is rotated to align at different light transmitting areas of the light transmitting unit while the distance between the light transmitting unit and the working lamp is fixed, so as to obtain different light effects.

Another object of the present invention is to provide a light transmitting unit and a working lamp, wherein the working lamp is capable of keeping the light source and the light transmitting unit fixed in distance while being rotated so that the light source is aligned with different light transmitting areas of the light transmitting unit.

Another object of the present invention is to provide a light transmitting unit and a working lamp, wherein the working lamp can obtain different illumination effects through the same light source.

Another object of the present invention is to provide a light transmitting unit and a working lamp, wherein the working lamp can obtain different corresponding lighting effects through different light sources.

According to an aspect of the utility model provides a printing opacity unit is suitable for the light that supplies an at least light source to send to pass through, wherein the printing opacity unit includes a first printing opacity portion and a second printing opacity portion, wherein first printing opacity portion connect in second printing opacity portion and protrusion in second printing opacity portion, first printing opacity portion certainly second printing opacity portion is towards this light source position protrusion, first printing opacity portion with the refracting index of second printing opacity portion is different.

According to at least one embodiment of the present invention, the second light transmission portion surrounds the first light transmission portion.

According to at least one embodiment of the present invention, the first light transmission portion and the second light transmission portion are respectively annularly arranged along an axial direction.

According to at least one embodiment of the present invention, the first light transmission part and the second light transmission part are arranged in a radial shape.

According to at least one embodiment of the present invention, the first light transmission portion and the second light transmission portion are integrally molded.

According to at least one embodiment of the present invention, the first light transmission portion is a light condensing portion, and the second light transmission portion is a light diffusing portion.

According to the utility model discloses an on the other hand, the utility model provides a work light, it includes:

at least one light source; and

a light transmission unit, wherein the light transmission unit includes a first light transmission portion and a second light transmission portion, the first light transmission portion being connected to the second light transmission portion and the light transmission unit being held in front of the light source, wherein the first light transmission portion and the second light transmission portion have different refractive indices, the first work lamp having a first work mode in which at least one of the light sources is aligned with the first light transmission portion so that emitted light passes through the first light transmission portion and a second work mode in which at least one of the light sources is aligned with the second light transmission portion so that emitted light passes through the second light transmission portion, the work lamp being operable to be switched between the first work mode and the second work mode.

According to at least one embodiment of the present invention, the light source is located on a first plane, the light transmitting unit is located on a second plane, and a distance from the first plane to the second plane is kept fixed.

According to at least one embodiment of the present invention, at least one of the light sources is fixed to be aligned with the first light transmission portion, at least another of the light sources is fixed to be aligned with the second light transmission portion, and the operation lamp is switched between the first operation mode and the second operation mode by lighting the light source aligned with the first light transmission portion and aligned with the second light transmission portion.

According to at least one embodiment of the present invention, the light transmission unit and at least one of the light sources are configured to be rotatable about an axis, wherein the axis passes through the light transmission unit, when rotating to at least one the light source is aligned with the first light transmission portion, the work light is in the first operation mode, when rotating to at least one the light source is aligned with the second light transmission portion, the work light is in the second operation mode.

According to at least one embodiment of the present invention, the light transmitting unit has an optical axis, wherein the light transmitting unit is rotatably held in front of the light source around the optical axis.

According to at least one embodiment of the present invention, the first light transmitting portion and the second light transmitting portion of the light transmitting unit are arranged in a radial shape.

According to at least one embodiment of the present invention, the first light transmission portion is a light condensing portion, and the second light transmission portion is a light diffusing portion.

According to at least one embodiment of the present invention, the first light transmission part protrudes from the second light transmission part and is provided to protrude toward the light source position.

According to at least one embodiment of the present invention, a receiving groove is formed on a light incident surface of the first light transmission portion, at least one of which the light source is received in the receiving groove.

According to at least one embodiment of the present invention, at least a part of the light incident surface of the first light transmission part is set to be a convex surface, so that the light emitted from the light source passes through the convex surface.

According to the utility model discloses an at least one embodiment, first printing opacity portion go into the plain noodles with there is the difference in height in a income plain noodles of second printing opacity portion, and aim at first printing opacity portion the light source is close to first printing opacity portion go into the plain noodles and arrange, aim at the second printing opacity portion the light source is close to the second printing opacity portion go into the plain noodles and arrange.

According to at least one embodiment of the present invention, the worklight further comprises a housing, wherein the housing has a receiving cavity and an optical window, wherein the optical window communicates with the receiving cavity, the light source is received in the receiving cavity, and the light transmitting unit is mounted in the optical window, at least part of the outer surface of the light transmitting unit forming at least part of the outer surface of the worklight.

Drawings

Fig. 1A is a schematic diagram of a worklight according to a preferred embodiment of the present invention.

Fig. 1B is an exploded view of the working lamp according to the above preferred embodiment of the present invention.

Fig. 2A is a schematic view of a light-transmitting unit of the working lamp according to the above preferred embodiment of the present invention.

Fig. 2B is a schematic cross-sectional view of the light transmitting unit according to the above preferred embodiment of the present invention.

Fig. 3A is a schematic view of a usage state of the light transmission unit according to the above preferred embodiment of the present invention.

Fig. 3B is a schematic view of another usage state of the light transmission unit according to the above preferred embodiment of the present invention.

Fig. 3C is a schematic view of another usage state of the light transmission unit according to the above preferred embodiment of the present invention.

Fig. 4 is a schematic view of another preferred embodiment of the working lamp according to the above preferred embodiment of the present invention.

Fig. 5A is a schematic view of a usage state of the working lamp according to the above preferred embodiment of the present invention.

Fig. 5B is a schematic view illustrating another usage state of the working lamp according to the above preferred embodiment of the present invention.

Fig. 6 is a schematic view of another preferred embodiment of the working lamp according to the above preferred embodiment of the present invention.

Fig. 7A is a schematic view of a usage state of the working lamp according to the above preferred embodiment of the present invention.

Fig. 7B is a schematic view of a usage state of the working lamp according to the above preferred embodiment of the present invention.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. 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 basic principles of the invention, 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 invention.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the terms are used in the description to indicate that the referenced device or element must have the specified orientation, be constructed and operated in the specified orientation, and not for the purpose of limitation.

It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.

Referring to fig. 1A to 3C, a worklight 1 and a light-transmitting unit 20 according to a preferred embodiment of the present invention are illustrated separately.

The light-transmitting unit 20 can be applied to the work lamp 1 so that the focus of the work lamp 1 can be conveniently adjusted. The working lamp 1 can have a plurality of working modes, a first working mode and a second working mode, and the light efficiency of the working lamp 1 is different under the first working mode and the second working mode so as to meet different requirements of users.

Specifically, the work lamp 1 includes at least one light source 10 and the light transmission unit 20, wherein the light source 10 is powered to emit light and the emitted light can pass through the light transmission unit 20, and the light transmission unit 20 is held in front of the light source 10 so that the light emitted from the light source 10 can pass through.

The light transmission unit 20 includes a first light transmission portion 21 and a second light transmission portion 22, wherein refractive indexes of the first light transmission portion 21 and the second light transmission portion 22 are different, so that focuses of light rays are different after the same light rays pass through the first light transmission portion 21 and the second light transmission portion 22, respectively.

The direction of the light emitted from the light source 10 after passing through the light-transmitting unit 20 may be changed, and the changed direction of the light emitted from the light source 10 may be different depending on the light-transmitting region of the light-transmitting unit 20.

The first light transmission part 21 may be a light condensing part, and light emitted from the light source 10 is condensed after passing through the first light transmission part 21. The second light-transmitting portion 22 may be a light-scattering portion, and light emitted from the light source 10 is scattered after passing through the second light-transmitting portion 22. That is, the first operating mode may be a light-gathering mode, and the second operating mode may be a light-scattering mode. The working lamp 1 may also have a third operating mode in which part of the light emitted by the light source 10 is diffused and part of the light emitted by the light source 10 is converged.

Of course, it will be understood by those skilled in the art that the first light-transmitting portion 21 and the second light-transmitting portion 22 may respectively perform a light-scattering function, but the degree of diffusion for light may be different. The first light transmission part 21 and the second light transmission part 22 may function to condense light, respectively, but the degree of light condensing may be different.

In the present embodiment, the first light transmission section 21 is taken as a light converging section, and the second light transmission section 22 is taken as a light scattering section.

In this embodiment, the number of the light sources 10 may be two or more, wherein at least one of the light sources 10 is a spotlight source 10, wherein the spotlight source 10 is aligned with the first light-transmitting portion 21 implemented as the spotlight portion, wherein at least one of the light sources 10 is a astigmatism source 10, wherein the astigmatism source 10 is aligned with the second light-transmitting portion 22 implemented as the astigmatism portion.

When the working lamp 1 is in the spotlight mode, the light source 10 may be turned off, the spotlight source 10 may be turned on, and light emitted from the spotlight source 10 may be converged after passing through the first light transmission portion 21 of the light transmission unit 20. When the working lamp 1 is in the light diffusion mode, the spotlight source 10 may be turned off, the astigmatism source 10 may be turned on, and the light emitted from the spotlight source 10 may be diffused after passing through the second light transmission portion 22 of the light transmission unit 20.

It is to be noted that, in the above-described entire process, the distances from the first light-transmitting portion 21 and the second light-transmitting portion 22 of the light-transmitting unit 20 to the light source 10 are kept fixed. That is, the position of the light-transmitting unit 20 may be fixed, so that the worklight 1 does not need to reserve a space for adjustment of the distance between the light-transmitting unit 20 and the light source 10.

The light source 10 is located on a first plane, the light-transmitting unit 20 is located on a second plane, and the distance from the first plane to the second plane is kept fixed. It is understood that, due to the height difference, the light sources 10 may be located in different planes, for example, the light converging source 10A is located in one plane, the light diverging source 10B is located in one plane, and the distance between the plane where the light converging source 10A and the plane where the light diverging source 10B are located and the plane where the light transmitting unit 20 is located is constant.

In other words, in the present embodiment, by the arrangement of the first light transmission portion 21 and the second light transmission portion 22 of the light transmission unit 20, the adjustment of the light focus of the working lamp 1 can be realized without changing the distance between the light transmission unit 20 and the light source 10, so that the working lamp 1 can realize the adjustment of the light focus on the premise of small size.

In more detail, the light transmission unit 20 has an optical axis, wherein the first light transmission portion 21 of the light transmission unit 20 is disposed at an intermediate position, and the optical axis passes through the first light transmission portion 21, wherein the second light transmission portion 22 is disposed around the first light transmission portion 21. That is, the second light-transmitting portion 22 surrounds the optical axis.

The spotlight source 10 passes through the optical axis, and the astigmatism source 10 is arranged around the spotlight source 10, that is, the astigmatism source 10 is arranged around the optical axis.

The condensing light source 10 is aligned with the first light transmission part 21 of the light transmission unit 20 so that the light emitted from the condensing light source 10 can be condensed after passing through the first light transmission part 21, and the dispersing light source 10 is aligned with the second light transmission part 22 of the light transmission unit 20 so that the light emitted from the dispersing light source 10 can be dispersed after passing through the second light transmission part 22.

The first light transmission part 21 implemented as a condensing part protrudes from the second light transmission part 22, and the first light transmission part 21 is provided to protrude toward the light source 10.

The light-transmitting unit 20 has an inner surface 201 and an outer surface 202, wherein the inner surface 201 and the outer surface 202 are disposed opposite to each other, and the optical axis passes through the inner surface 201 and the outer surface 202. The light source 10 is located on the inner surface 201 side. The light rays pass through the inner surface 201, then pass through the light-transmitting unit 20, and are radiated outward after passing through the outer surface 202.

At least a portion of the inner surface 201 of the light transmitting unit 20 is configured to protrude from other portions of the inner surface 201 to form the protruding second light transmitting portion 22.

The first light-transmitting portion 21 includes a first light-transmitting portion main body and a receiving groove 210, wherein the surface of the first light-transmitting portion main body is recessed inward to form the receiving groove 210. The inward recess of the surface of the first light-transmitting portion main body means a recess toward a direction away from the light source 10. The light condensing source 10A of the light source 10 may be received in the receiving groove 210.

The first light-transmitting portion 21 has a first light incident surface 211 and a first light emitting surface 212, wherein at least a portion of the inner surface 201 of the light-transmitting unit 20 forms the first light incident surface 211 of the first light-transmitting portion 21, and the first light incident surface 211 protrudes out of other portions of the inner surface 201 of the light-transmitting unit 20, wherein at least a portion of the outer surface 202 of the light-transmitting unit 20 forms the first light emitting surface 212 of the first light-transmitting portion 21.

The second light-transmitting unit 22 has a second light incident surface 221 and a second light emitting surface 222, wherein the inner surface 201 of the light-transmitting unit 20 includes the first light incident surface 211 of the first light-transmitting unit 21 and the second light incident surface 221 of the second light-transmitting unit 22, and the outer surface 202 of the light-transmitting unit 20 includes the first light emitting surface 212 of the first light-transmitting unit 21 and the second light emitting surface 222 of the second light-transmitting unit 22.

At least a portion of the first light incident surface 211 of the first light transmissive portion 21 is recessed in the receiving groove 210 in a direction away from the light condensing source 10A. That is, the inner wall forming the receiving groove 210 is at least a portion of the first light incident surface 211 of the first light transmission part 21.

The first light incident surface 211 of the first light transmission portion 21 is located close to the light condensing source 10A with respect to the second light incident surface 221 of the second light transmission portion 22. That is, the first incident surface 211 of the first light transmission portion 21 is at a protruding position with respect to the second incident surface 221 of the second light transmission portion 22.

At least a portion of the first light incident surface 211 of the first light transmission part 21 is implemented as a convex surface and is protruded toward the light condensing source 10A. That is, the entire first light transmission portion 21 is implemented to be convex toward the light condensing source 10A, and at least a portion of the first light incident surface 211 of the first light transmission portion 21 is implemented to be convex toward the light condensing source 10A.

The first light incident surface 211 of the first light transmission portion 21 protruding toward the light condensing source 10A is beneficial to the convergence of the light rays emitted by the light condensing source 10A on the first light transmission portion 21, so as to be beneficial to the subsequent light effect.

When the light condensing source 10A is accommodated in the accommodating groove 210 of the first light-transmitting portion 21, the light emitted by the light condensing source 10A is collected in the accommodating groove 210, and can pass through the first light-incident surface 211 protruding from the first light-transmitting portion 21, then pass through the main body of the first light-transmitting portion, then pass through the first light-emitting surface 212 of the first light-transmitting portion 21, and then radiate outward.

Further, the light diffusion source 10 is aligned with the second light transmission portion 22 of the light transmission unit 20, and there is a height difference between the light diffusion source 10B and the light condensing source 10A.

Specifically, the spotlight source 10A is aligned with the first light transmission portion 21 protruding inward, and the astigmatism source 10B is aligned with the second light transmission portion 22. The first light transmission portion 21 of the light transmission unit 20 is convex toward the light source 10 for the light source 10, and the light diffusion light source 10B is closer to the light transmission unit 20 than the light condensation light source 10A for the light transmission unit 20.

By arranging the spotlight source 10A and the astigmatism source 10B with a height difference therebetween, interference between the spotlight source 10A and the astigmatism source 10B can be reduced after the spotlight source 10A and the astigmatism source 10B are simultaneously lit.

In some embodiments of the present invention, the height difference between the spotlight source 10A and the astigmatism source 10B is at least 6mm, for example, 7mm, 8mm, etc. to facilitate reducing the mutual interference between the spotlight source 10A and the astigmatism source 10B.

In some embodiments of the present invention, a distance from the light condensing source 10A to the first light incident surface 211 of the first light transmission portion 21 of the light transmission unit 20 is at least 8mm, for example, 9mm or 10 mm.

In some embodiments of the present invention, the full angle range of the light output of the working lamp 1 is 5 ° to 15 °, for example, 8 °, 9 ° or 10 °.

The worklight 1 can also have an operating mode in which the spotlight source 10A and the astigmatism source 10B are illuminated simultaneously.

Specifically, when the spotlight source 10A and the astigmatism source 10B are turned on, respectively, the light emitted from the spotlight source 10A mainly passes through the first light transmission portion 21 of the light transmission unit 20, and the light emitted from the astigmatism source 10B mainly passes through the second light transmission portion 22 of the light transmission unit 20.

Since the first transparent portion 21 protrudes from the second transparent portion 22 and the light condensing light source 10A is accommodated in the accommodating groove 210 formed in the first transparent portion 21, light emitted from the light condensing light source 10A passes through the first light incident surface 211 of the first transparent portion 21 and then directly exits from the first light emitting surface 212 of the first transparent portion 21 through the first transparent portion main body. The light emitted from the light diffusion source 10B passes through the second light incident surface 221 of the second light transmission portion 22, and then directly exits from the second light exiting surface 222 of the second light transmission portion 22. The second light emitting surface 222 of the second transparent portion 22 surrounds the first light emitting surface 212 of the first transparent portion 21. The second light incident surface 221 of the second light transmission portion 22 is located on the periphery of the first light incident surface 211 of the first light transmission portion 21 and has a height difference from the first light incident surface 211 of the first light transmission portion 21.

The possibility that the spotlight source 10A and the astigmatism source 10B will influence each other is greatly reduced.

It is understood that, in other embodiments of the present invention, the first light-transmitting portion 21 may be implemented as a light-diffusing portion, and the second light-transmitting portion 22 may be implemented as a light-condensing portion. That is, the light condensing portion may be circumferentially disposed on the light diffusing portion. Accordingly, the spotlight source 10A may be circumferentially disposed around the astigmatism source 10B. In other embodiments of the present invention, the first light-transmitting portion 21 may be implemented as a light scattering portion, the second light-transmitting portion 22 may be implemented as a light scattering portion, and the degree of diffusion of light by the first light-transmitting portion 21 and the second light-transmitting portion 22 may be different. In other embodiments of the present invention, the first light transmission part 21 may be implemented as a condensing part, the second light transmission part 22 may be implemented as a condensing part, and the degree of convergence of the first light transmission part 21 and the second light transmission part 22 to light may be different.

Further, in the present embodiment, the first light transmission portion 21 and the second light transmission portion 22 form a concentric structure. The optical axis passes through the center of the first light-transmitting portion 21 and the virtual center of the second light-transmitting portion 22. The spotlight source 10A and the astigmatism source 10B are implemented in a concentric structure, and the optical axis passes through the centers of the spotlight source 10A and the astigmatism source 10B.

More specifically, the cross section of the first light transmission portion 21 is a circular structure, the second light transmission portion 22 is an annular structure, and the light diffusion light source 10B is an annular structure to surround the light condensation light source 10A.

The light diffusion source 10B may be implemented as an annular light band, or the number of the light diffusion sources 10B is plural and is arranged in an annular shape to correspond to the second light-transmitting portion 22.

It is to be noted that the shape of the cross section of the first light-transmitting portion 21 may be, but is not limited to, a triangle, a rectangle, or an ellipse. The shape of the annular structure of second light-transmitting portion 22 may be, but is not limited to, a triangle, a rectangle, an ellipse, or a circle. The distribution shape of the light diffusion source 10B may be, but is not limited to, triangular, rectangular, elliptical, or circular.

Further, in the present embodiment, the first light transmission portion 21 is formed in an inverted cone shape, and may have an inverted cone shape or an inverted triangular cone shape. One end of the first transparent portion 21 extends to the second transparent portion 22, and the accommodating groove 210 is formed at the other end of the first transparent portion 21 to accommodate the light condensing source 10A.

The cross section of the first light-transmitting portion 21 is set to be gradually tapered, and the cross section of a portion of the first light-transmitting portion 21 close to the second light-transmitting portion 22 is larger than that close to the concentrated light source 10A.

The first light-transmitting portion 21 has a side surface 213, wherein the side surface 213 of the first light-transmitting portion 21 extends between the first light incident surface 211 and the first light emitting surface 212 of the first light-transmitting portion 21. The side surface 213 of the first light transmission part 21 is formed as a smooth curved surface.

It should be noted that the first light transmission portion 21 and the second light transmission portion 22 of the light transmission unit 20 may be integrally molded. For example, a substrate may be formed by injection in a mold, and then additives having a predetermined concentration distribution may be implanted into the substrate by an ion implantation method, so that the refractive index of the substrate has a corresponding distribution, thereby forming the first light transmission part 21 and the second light transmission part 22 having different refractive indexes. Of course, the refractive index of the substrate may be controlled by other methods, such as ion exchange method, sol-gel method, chemical vapor deposition method, etc., to form the first light transmission part 21 and the second light transmission part 22 having different refractive indexes.

Further, the working lamp 1 includes a housing 30, wherein the housing 30 has a receiving cavity 300, and the light source 10 is received in the receiving cavity 300.

The housing 30 forms an optical window 301, wherein the optical window 301 is connected to the accommodating chamber 300. The light transmitting unit 20 is mounted to the light window 301. The light emitted from the light source 10 passes through the light-transmitting unit 20, exits the accommodating chamber 300, and then radiates outward.

It is noted that the outer surface 202 of the light-transmitting unit 20 becomes at least part of an outer surface 202 of the worklight 1. That is, the light transmission unit 20 is installed on the housing 30, and the light transmission unit 20 not only plays a role of transmitting light, but also plays a role of protection similar to the housing 30, so that the working lamp 1 does not need to arrange other glass elements for protection at the position of the light window 301.

Further, the worklight 1 comprises a light source support 40, wherein the light source support 40 comprises a first support portion 41 and a second support portion 42, wherein the first support portion 41 is configured to protrude from the second support portion 42. The spotlight source 10A can be held at the first support portion 41 position.

The first support portion 41 is located at an intermediate position, and the second support portion 42 surrounds the first support portion 41. The light diffusing source 10B is supported by the second support portion 42. When the light source 10 and the light transmitting unit 20 are assembled together, the first light transmitting portion 21 of the light transmitting unit 20 is inserted into the first supporting portion 41 of the light source support 40, the light condensing light source 10A held by the first supporting portion 41 of the light source support 40 is aligned with the first light transmitting portion 21, and the light diffusing light source 10B held by the second supporting portion 42 of the light source support 40 is aligned with the second light transmitting portion 22.

The first support portion 41 may be implemented as a light reflecting bowl, and the light emitted from the light condensing source 10A is reflected at a light reflecting cavity 410 of the first support portion 41 and then travels toward the first light transmitting portion 21. The first support portion 41 may be a tapered structure.

It should be noted that there is a height difference between the first supporting portion 41 and the second supporting portion 42 of the light source supporting base 40, so that there is a height difference between the light source 10 located in the first supporting portion 41 and the second supporting portion 42.

The condensing light source 10A is disposed close to the first light-transmitting portion 21 of the light-transmitting unit 20, and the diffusing light source 10B is disposed close to the second light-transmitting portion 22 of the light-transmitting unit 20. In this way, while the first light transmitting portion 21 and the second light transmitting portion 22 of the light transmitting unit 20 of the worklight 1 have a difference in height to obtain different optical effects, a small size of the worklight 1, particularly a small distance between the light transmitting unit 20 and the light source 10, is also ensured, so that the thickness of the worklight 1 can be kept small.

It is understood that the spotlight source 10A and the astigmatism source 10B may be at the same height position in other embodiments of the invention. In this case, the distance from the diffused light source 10B to the second light transmission portion 22 is much longer than the distance from the condensed light source 10A to the first light transmission portion 21.

Further, the working lamp 1 comprises a heat sink 50, wherein the heat sink 50 is used for assisting the light source 10 in dissipating heat. The light source 10 may be supported to the heat sink 50 through the light source support base 40. The heat sink 50 may be made of, but is not limited to, aluminum.

Further, the working lamp 1 includes a power source 60, wherein the power source 60 is accommodated in the accommodating chamber 300 of the housing 30. The spotlight source 10A and the astigmatism source 10B are each conductively connected to the power supply 60. The power supply 60 and the light source 10 may be respectively located at both sides of the heat sink 50. It is understood that the worklight 1 can be embodied as a rechargeable worklight 1.

Further, the worklight 1 comprises a control assembly 70, wherein the light source 10 is controllably connected to the control assembly 70. The control assembly 70 includes a circuit board 71 and a switch 72, wherein the light source 10 is controllably connected to the circuit board 71, and the circuit board 71 is controllably connected to the switch 72. The user can control the working lamp 1 to switch between different working modes by operating the switch 72. That is, the user can control the turning on and off of the spotlight source 10A and the astigmatism source 10B by operating the switch 72.

Further, the working lamp 1 further includes a small lens 80, wherein the small lens 80 is disposed at the light condensing source 10A of the light source 10, so that the light emitted from the light condensing source 10A passes through the small lens 80 and then passes through the first light-transmitting portion 21 of the light-transmitting unit 20. The small lens 80 may perform a light condensing function to facilitate light emitted from the light condensing source 10A to pass through the first light transmission portion 21 as much as possible, and reduce the possibility that light emitted from the light condensing source 10A passes through the second light transmission portion 22.

Referring to fig. 4 to 5B, another embodiment of the working lamp 1 according to the above preferred embodiment of the present invention is shown, and reference is made to fig. 1A to 3C.

The main difference between this embodiment and the above embodiments is the light source 10 and the light transmitting unit 20. In this embodiment, the light transmission unit 20 includes a plurality of the first light transmission portions 21 and a plurality of the second light transmission portions 22, wherein the first light transmission portions 21 and the second light transmission portions 22 are concentric circles and are alternately arranged. The spotlight sources 10A and the astigmatism sources 10B of the light source 10 are concentric and alternately arranged.

Specifically, in the above embodiment, the light condensing source 10A of the light source 10 is located at an intermediate position to be aligned with the first light transmission portion 21 of the light transmission unit 20, and the light diffusing source 10B of the light source 10 surrounds the light condensing source 10A to be aligned with the second light transmission portion 22 of the light transmission unit 20.

In the present embodiment, the light source 10 is arranged in a ring shape, and preferably in a concentric ring shape. The number of the light sources 10 is plural, and a plurality of the light sources 10 located in the same ring may be aligned with the first light-transmitting portion 21 of the light-transmitting unit 20, and a plurality of the light sources 10 located in another ring may be aligned with the second light-transmitting portion 22 of the light-transmitting unit 20.

Accordingly, the first light-transmitting portion 21 is arranged in a ring shape, the second light-transmitting portion 22 is arranged in a ring shape, and preferably, the first light-transmitting portion 21 and the second light-transmitting portion 22 are arranged in a concentric ring shape.

For example, the light sources 10 are arranged in a six-ring shape, from inside to outside, a first ring, a second ring, a third ring, a fourth ring, a fifth ring, and a sixth ring. The light sources 10 of the first, third and fifth rings may be the spotlight source 10A. The light sources 10 of the second, fourth and sixth rings may be the astigmatic light sources 10B.

The light transmitting unit 20 may be arranged in a six-ring shape, from inside to outside, of a first ring, a second ring, a third ring, a fourth ring, a fifth ring, and a sixth ring. The portions of the light transmitting unit 20 of the first, third, and fifth rings are the first light transmitting portions 21. The portions of the light transmitting unit 20 of the second, fourth, and sixth rings are the second light transmitting portions 22.

Referring to fig. 5A, when the spotlight sources 10A in the first, third, and fifth rings are turned on, light passes through the corresponding first light-transmitting portions 21 in the first, third, and fifth rings, and the working lamp 1 is in the spotlight mode. Referring to fig. 5B, when the light diffusion sources 10B in the second, fourth and sixth rings are turned on, light passes through the corresponding second light-transmitting portions 22 in the second, fourth and sixth rings, and the working lamp 1 is in the light diffusion mode.

By controlling the turning on and off of the spotlight source 10A and the astigmatism source 10B, the switching between different operation modes of the working lamp 1 can be realized.

Further, the first light transmission part 21 protrudes from the second light transmission part 22. There is a height difference between the spotlight source 10A and the astigmatism source 10B.

The first light incident surface 211 of the first light transmissive portion 21 is recessed toward a direction away from the light source 10 to form the receiving groove 210, and the light condensing source 10A is received in the receiving groove 210.

Note that the number of the first light transmission portions 21 located in the same ring may be one or more. When the number of the first light transmission portions 21 is plural, the accommodation grooves 210 of the adjacent first light transmission portions 21 may be communicated with each other. That is, the receiving groove 210 of the plurality of first light transmission portions 21 forms a ring structure. When the number of the first light transmission portions 21 is plural, the accommodation grooves 210 of the adjacent first light transmission portions 21 may be independent from each other.

In other words, a plurality of the first light transmission portions 21 may be connected to each other in a ring. The plurality of first light transmission portions 21 may be arranged in a ring shape with a gap therebetween.

The light transmission unit 20 has an optical axis, wherein the optical axis passes through the optical center of the light transmission unit 20. The first light transmission portions 21 and the second light transmission portions 22 are arranged at intervals in the radial direction. The spotlight source 10A and the astigmatism source 10B of the light source 10 are arranged at intervals in the radial direction.

Of course, it is understood that the light sources 10 arranged at intervals may be the same, for example, the light-gathering light sources 10A may be located at both the first ring and the second ring. Similarly, the portions of the light transmitting unit 20 located at the first ring and the second ring may be the first light transmitting portion 21.

Note that the plurality of first light transmission portions 21 and the plurality of second light transmission portions 22 are arranged in a ring shape along the radial direction of the optical axis, and the ring shape here may be, but is not limited to, a circular ring, a triangular ring, a rectangular ring, or the like. Similarly, the plurality of light condensing sources 10A and the plurality of light diffusing sources 10B are arranged in a ring shape along the radial direction of the optical axis, and the distance from the light transmitting unit 20 is kept constant, and the ring shape here may be, but is not limited to, a circular ring, a triangular ring, a rectangular ring, or the like.

It is to be understood that the first light transmission portion 21 and the second light transmission portion 22 are not limited to the above-described shapes, the first light transmission portion 21 may be, but is not limited to, functioning as a light condensing function, and the second light transmission portion 22 may be, but is not limited to, functioning as a light diffusing function.

Referring to fig. 6 to 7B, another embodiment of the working lamp 1 according to the above preferred embodiment of the present invention is shown, and fig. 1A to 3C are also referred.

The present embodiment is different from the above-mentioned embodiments mainly in that the light source 10 and the light transmitting unit 20 of the light transmitting unit 1000, and in the present embodiment, at least one of the light source 10 and the light transmitting unit 20 is rotatable, so that the working lamp 1 is switched between different working modes.

The light sources 10 are radially arranged, and the first light-transmitting portion 21 and the second light-transmitting portion 22 of the light-transmitting unit 20 are radially arranged. Referring to fig. 7A, when the light transmission unit 20 rotates around the optical axis until the condensed light source 10A of the light source 10 is aligned with the first light transmission portion 21, and the condensed light source 10A aligned with the first light transmission portion 21 is turned on, the working lamp 1 is in the condensed mode. Referring to fig. 7B, when the light transmission unit 20 is rotated around the optical axis until the astigmatic light source 10B of the light source 10 is aligned with the second light transmission portion 22 and the astigmatic light source 10B aligned with the second light transmission portion 22 is lit, the operating lamp 1 is in the astigmatic mode.

In detail, the first light transmission part 21 and the second light transmission part 22 of the light transmission unit 20 are arranged along the circumferential direction of the optical axis. The light sources 10 are arranged along the circumference of the optical axis.

For example, the light transmission unit 20 includes two first light transmission portions 21 and two second light transmission portions 22, one second light transmission portion 22 is located between the two first light transmission portions 21, and one first light transmission portion 21 is located between the two second light transmission portions 22. The number of the light sources 10 is two, and two of the light sources 10 are arranged along the circumferential direction of the optical axis.

The two light sources 10 are aligned with the two first light-transmitting portions 21, respectively, and when the two light sources 10 are turned on, the working lamp 1 is in the first working mode. The first light transmission part 21 may be implemented as a condensing part. That is, the working lamp 1 is in spot mode.

When the light transmission unit 20 is rotated, the second light transmission part 22 is rotated and then moved to the original position of the first light transmission part 21, so that the working lamp 1 is in the second working mode. In this case, none of the light sources 10 is aligned with the first light-transmitting portion 21. The second light-transmitting portion 22 may be implemented as a light scattering portion. That is, the working lamp 1 is in the astigmatism mode.

In other embodiments of the present invention, the light source 10 is arranged to be rotatable around the optical axis. When the light sources 10 rotate to two light sources 10 are aligned with the first light-transmitting portions 21, the working lamp 1 is in the first working mode. When the light sources 10 rotate to two light sources 10 are aligned with the second light-transmitting portions 22, the working lamp 1 is in the second working mode.

It is understood that the spotlight light source 10A and the astigmatism light source 10B of the light source 10 aligned with the first light transmission portion 21 and the second light transmission portion 22 in different modes may be the same light source or different light sources. For example, in the present embodiment, after the light source 10 is aligned with the first light-transmitting portion 21, the light-transmitting unit 20 is rotated so that the same light source is aligned with the second light-transmitting portion 22. In other embodiments of the present invention, the spotlight source 10A and the astigmatism source 10B may be different light sources, and when the spotlight source 10A is aligned with the first light transmission part 21, the spotlight source 10A can be turned on and the astigmatism source 10B can be turned off. When the astigmatic light source 10B is aligned with the second light-transmitting portion 22, the astigmatic light source 10B can be turned on and the spotlight source 10A can be turned off.

In other embodiments of the present invention, the light source 10 and the light transmitting unit 20 are respectively disposed to be rotatable around the optical axis. That is, the light source 10 is provided to be rotatable about the optical axis to change the relative positions of the light source 10 and the first and second light-transmitting portions 21 and 22 of the light-transmitting unit 20. The light transmission unit 20 is also provided to be rotatable about the optical axis to change the relative positions of the first and second light transmission portions 21 and 22 of the light transmission unit 20 and the light source 10.

Further, the housing 30 includes a housing cover 31 and a housing holder 32, wherein the optical window 301 forms the housing cover 31, and the light-transmitting unit 20 is mounted to the housing cover 31. The case cover 31 is rotatably mounted to the case holder 32 with respect to the case holder 32 so that the light transmission unit 20 can rotate.

Alternatively, the housing cover 31 is a circular structure, and the housing cover 31 is rotatably mounted to the housing base 32 about an axis passing through the light transmission unit 20.

The case cover 31 is used to support the light transmission unit 20, and the light transmission unit 20 is rotatably mounted to the case base 32 through the case cover 31.

Further, the first light transmission portion 21 and the second light transmission portion 22 may be implemented as a fan-shaped structure, respectively, and the arrangement of the first light transmission portion 21 and the second light transmission portion 22 corresponds to the arrangement of the light source 10, so that the light source 10 may be aligned with the first light transmission portion 21 and the second light transmission portion 22 of the light transmission unit 20 by rotating the light transmission unit 20 at a certain angle.

It is noted that the distance between the light source 10 and the light transmission unit 20 does not need to be changed to obtain different light effects in the above manner, and the distance from the light source 10 to the center of the light transmission unit 20 can be kept constant. Preferably, the rotation of the light transmission unit 20 is translational, that is, the light transmission unit 20 rotates on the same plane, so that the distance from the light source 10 to the center of the light transmission unit 20 is kept constant.

According to another aspect of the present invention, the present invention provides a working method of the working lamp 1, the working method includes the following steps:

the operation mode of the operation lamp 1 is switched by lighting the light source 10 aligned with the first light-transmitting portion 21 and the light source 10 aligned with the second light-transmitting portion 22 of the light-transmitting unit 20, respectively, wherein the refractive index of the first light-transmitting portion 21 and the refractive index of the second light-transmitting portion 22 are different.

According to some embodiments of the present invention, in the above method, the second light transmission part 22 surrounds the first light transmission part 21.

According to some embodiments of the present invention, in the above method, the second light transmission part 22 and the first light transmission part 21 are respectively arranged in a ring shape and are arranged along a radial direction of the light transmission unit 20.

According to some embodiments of the present invention, in the above method, the light emitted from the light source 10 aligned with the first light transmission portion 21 is converged after passing through the first light transmission portion 21.

According to some embodiments of the present invention, in the above method, the light emitted from the light source 10 aligned with the second light-transmitting portion 22 is diffused after passing through the second light-transmitting portion 22.

According to some embodiments of the present invention, in the above method, the first light-transmitting portion 21 forms the accommodating groove 210 for accommodating the light source 10 and forms a surface protruding toward the light source 10 for light emitted from the light source 10 to pass through.

According to some embodiments of the present invention, in the above method, the first light-transmitting portion 21 protrudes from the second light-transmitting portion 22 toward the light source 10.

According to further embodiments of the present invention, the operating method of the operating lamp 1 is implemented as:

rotating at least one of the light transmission unit 20 and the light source 10 such that at least one of the light source 10 is aligned with the first light transmission portion 21 or the second light transmission portion 22.

According to some embodiments of the present invention, the light source 10 is rotated such that the light source 10 is switched between being aligned with the first light-transmitting portion 21 and the second light-transmitting portion 22.

According to another aspect of the present invention, the present invention provides an assembling method of the working lamp 1, the assembling method includes the following steps:

the operation lamp 1 is configured to hold the first light transmission portion 21 and the second light transmission portion 22 of the light transmission unit 20 in front of the light source 10, and the operation lamp 1 is in a first operation mode when the light source 10 is aligned with the first light transmission portion 21, and the operation lamp 1 is in a second operation mode when the light source 10 is aligned with the second light transmission portion 22, and the operation lamp 1 is switchable between the first operation mode and the second operation mode.

According to some embodiments of the present invention, at least one of the light sources 10 is aligned with the first light-transmitting portion 21, and at least one of the light sources 10 is aligned with the second light-transmitting portion 22.

According to some embodiments of the present invention, the light source 10 is rotatably held behind the light transmission unit 20 about an axis, and the axis passes through the light transmission unit 20, so that the light source 10 can be aligned with the first light transmission portion 21 and the second light transmission portion 22, respectively.

According to some embodiments of the present invention, the light transmission unit 20 is rotatably held in front of the light transmission unit 20 about an axis, and the axis passes through the light transmission unit 20, so that the light source 10 can respectively face the first light transmission part 21 and the second light transmission part 22.

According to some embodiments of the present invention, the light source 10 aligned with the first light transmission portion 21 is received in the receiving groove 210 of the first light transmission portion 21, and the first light transmission portion 21 protrudes from the second light transmission portion 22.

According to some embodiments of the present invention, the first light incident surface 211 of the first light-transmitting portion 21 protrudes from the second light incident surface 221 of the second light-transmitting portion 22.

According to some embodiments of the present invention, the light source 10 aligned with the first light-transmitting portion 21 is located at a recessed position, recessed toward a direction away from the light-transmitting unit 20, with respect to the light source 10 aligned with the second light-transmitting portion 22.

According to another aspect of the present invention, the present invention provides a method of dimming, wherein the method of dimming includes the steps of:

the light source 10 is transformed to be aligned with the first and second light-transmitting portions 21 and 22 having different refractive indexes to adjust the radiation of light.

According to some embodiments of the present invention, the on/off of the light source 10 is switched, wherein a part of the light source 10 is aligned with the first light-transmitting portion 21, and a part of the light source 10 is aligned with the second light-transmitting portion 22, so that light is switched between passing through the first light-transmitting portion 21 and the second light-transmitting portion 22.

According to some embodiments of the present invention, the light transmitting unit 20 or the light source 10 is rotated to align the light source 10 with the first light transmitting portion 21 or the second light transmitting portion 22, so as to switch light passing through the first light transmitting portion 21 or the second light transmitting portion 22.

According to some embodiments of the present invention, wherein in the above method, the light transmitting unit 20 or the light source 10 is rotated in an axial direction. Preferably, the axial direction is the direction of the optical axis of the light transmission unit 20.

It will be understood by those skilled in the art that the embodiments of the present invention as described above and shown in the drawings are given by way of example only and are not limiting of the present invention. The objects of the present invention have been fully and effectively accomplished. The functional and structural principles of the present invention have been shown and described in the embodiments without departing from the principles, embodiments of the present invention may have any deformation or modification.

Claims (21)

1. The light transmission unit is suitable for light rays emitted by at least one light source to pass through, and is characterized by comprising a first light transmission part and a second light transmission part, wherein the first light transmission part is connected with the second light transmission part and protrudes out of the second light transmission part, the first light transmission part protrudes from the second light transmission part towards the position of the light source, and the refractive indexes of the first light transmission part and the second light transmission part are different.

2. The light transmission unit of claim 1, wherein the second light transmission portion surrounds the first light transmission portion.

3. The light transmission unit according to claim 1, wherein the first light transmission portion and the second light transmission portion are annularly arranged along an axial direction, respectively.

4. The light transmission unit according to claim 1, wherein the first light transmission portion and the second light transmission portion are arranged in line along a circumferential direction.

5. The light transmission unit according to any one of claims 1 to 4, wherein the first light transmission portion and the second light transmission portion are integrally molded.

6. The light transmission unit according to any one of claims 1 to 4, wherein the first light transmission portion is a light condensing portion, and the second light transmission portion is a light diffusing portion.

7. A worklight, comprising:

at least one light source; and

a light transmission unit, wherein the light transmission unit includes a first light transmission portion and a second light transmission portion, the first light transmission portion being connected to the second light transmission portion and the light transmission unit being held in front of the light source, wherein the first light transmission portion and the second light transmission portion have different refractive indices, the worklight having a first mode of operation in which at least one of the light sources is aligned with the first light transmission portion so that emitted light passes through the first light transmission portion and a second mode of operation in which at least one of the light sources is aligned with the second light transmission portion so that emitted light passes through the second light transmission portion, the worklight being operable to switch between the first mode of operation and the second mode of operation.

8. The worklamp of claim 7, wherein the light source is located in a first plane, the light-transmissive unit is located in a second plane, and the distance from the first plane to the second plane remains fixed.

9. The worklight of claim 7 or 8, wherein at least one of the light sources is fixedly aligned with the first light-transmitting portion and at least another one of the light sources is fixedly aligned with the second light-transmitting portion, the first mode of operation and the second mode of operation of the worklight being switched by illuminating the light sources aligned with the first light-transmitting portion and with the second light-transmitting portion.

10. The worklight of claim 7 or 8, wherein the light transmissive unit and/or the light source is configured to be rotatable about an axis passing through the light transmissive unit, the worklight being in the first mode of operation when rotated such that at least one of the light sources is aligned with the first light transmissive portion, the worklight being in the second mode of operation when rotated such that at least one of the light sources is aligned with the second light transmissive portion.

11. The worklight of claim 10, wherein the light-transmissive unit has an optical axis, wherein the light-transmissive unit is rotatably retained about the optical axis in front of the light source.

12. The worklight of claim 11, wherein the first and second light-transmissive portions of the light-transmissive unit are radially disposed.

13. The task lamp according to claim 9, wherein the first light transmission portion is a light condensing portion, and the second light transmission portion is a light diffusing portion.

14. The worklight of claim 9, wherein the first light-transmissive portion projects from the second light-transmissive portion and is disposed to project toward the light source location.

15. The worklight of claim 14, wherein a light incident surface of the first light transmissive portion forms a receiving cavity in which at least one of the light sources is received.

16. The worklight of claim 15, wherein at least a portion of the light incident surface of the first light transmissive portion is convex for light rays emitted by the light source to pass through.

17. The worklight of claim 15, wherein the input surface of the first light-transmitting portion and an input surface of the second light-transmitting portion have a difference in height, and the light source aligned with the first light-transmitting portion is disposed proximate to the input surface of the first light-transmitting portion and the light source aligned with the second light-transmitting portion is disposed proximate to the input surface of the second light-transmitting portion.

18. The worklight of claim 7 or 8, wherein the worklight further comprises a housing, wherein the housing has a receiving cavity and a light window, wherein the light window communicates with the receiving cavity, the light source is received in the receiving cavity, and the light transmissive unit is mounted to the light window, at least a portion of an outer surface of the light transmissive unit forming at least a portion of an outer surface of the worklight.

19. The worklight of claim 7 or 8, wherein the light source aligned with the first light-transmissive portion is at least 8mm away from a light exit surface of the first light-transmissive portion.

20. The worklight of claim 7 or 8, wherein the difference in height between the light source aligned with the first light-transmitting portion and the light source aligned with the second light-transmitting portion is at least 6 mm.

21. A work lamp according to claim 7 or 8, wherein the work lamp has a light exit full angle of 10 °.

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