CN210860724U - Lamp holder assembly and lamp thereof - Google Patents

Abstract

The application provides a lamp holder subassembly and lamps and lanterns thereof includes: a lamp body, comprising: a housing, a heat sink, a plurality of light emitting devices, and a lens; the radiator is arranged in the accommodating cavity of the shell, a platform for attaching the light-emitting devices is arranged on the radiator, and the lens covers the opening at one end of the shell to fix the radiator; the upper surface of at least one platform facing the light emergent direction has a certain slope relative to the horizontal direction perpendicular to the light emergent direction; the lens is provided with a light-emitting surface opposite to the upper surface of each platform. This application lamp holder subassembly structure is little, and space utilization is big, and shines the area big, and the illuminance is even, shines all luminance of some points on the facula of formation down all even to with the mode light-emitting of penetrating directly, can fall to the light loss to minimum, improve light extraction efficiency.

Description

Lamp holder assembly and lamp thereof

Technical Field

The application relates to the field of lamp holders, in particular to a lamp holder assembly and a lamp thereof.

Background

The light-emitting part structure of the traditional desk lamp holder or corridor lamp holder mainly emits light directly or laterally, the adjustment of the light-emitting angle depends on reflection, refraction and scattering, and the loss of the light-emitting efficiency is large; the lamp cap is easy to form glare when emitting light, the brightness of all points on a facula formed by the illumination of the lamp cap is not uniform, the brightness of a part close to the lamp cap is high, and the brightness of a part round to the lamp cap is low; in addition, existing lightheads are typically large in design if large area illumination and uniformity are to be achieved.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned shortcomings of the prior art, the technical problem to be solved by the present application is to provide a lamp cap assembly and a lamp thereof, which are used for solving at least one problem in the prior art.

To achieve the above and other related objects, the present application provides a lamp cap assembly, comprising: a housing, a heat sink, a plurality of light emitting devices, and a lens; the radiator is arranged in the accommodating cavity of the shell, a platform for attaching the light-emitting devices is arranged on the radiator, and the lens covers the opening at one end of the shell to fix the radiator; the upper surface of at least one platform facing the light emergent direction has a certain slope relative to the horizontal direction perpendicular to the light emergent direction; the lens is provided with a light-emitting surface opposite to the upper surface of each platform.

In an embodiment of the present application, the housing is a cylinder, and an opening is formed at one end of the cylinder and an accommodating cavity for placing the heat sink is reserved.

In an embodiment of the present application, a plurality of blocking bars are disposed on an inner side surface of the housing to fix the heat sink in a snap-fit manner; and/or a plurality of main buckling columns are arranged on the inner side surface of the shell to be matched with and buckle the lens.

In an embodiment of the present application, a plurality of heat dissipation grids are disposed on an outer side surface of the heat sink at equal intervals; and the adjacent two heat dissipation grids are used for clamping and fixing the plurality of blocking strips on the inner side surface of the shell, and/or the plurality of main buckling columns on the inner side surface of the shell penetrate through the main buckling columns to be buckled with the lens in a matched mode.

In an embodiment of the present application, the side of the lens is provided with a secondary snap-fit post facing the backlight direction and adapted to be snapped with the plurality of primary snap-fit posts on the inner side of the housing.

In an embodiment of the present application, the heat sink is a cylinder, one end of the heat sink is provided with an opening, and the heat sink is internally provided with a plurality of the platforms and a plurality of heat dissipation through holes in a protruding manner.

In an embodiment of the present application, the lens has heat dissipation holes corresponding to the heat dissipation through holes.

In an embodiment of the present application, the light emitting surface is parallel to the upper surface of the platform.

In an embodiment of the present application, a first wire connection port is reserved on a side surface of the housing, and a second wire connection port is reserved on a side surface of the heat sink corresponding to the first wire connection port, so as to provide access to a power connection.

In an embodiment of the present application, the heat spreader is made of an aluminum substrate.

In an embodiment of the present application, the light emitting device is composed of a ceramic base and an LED chip.

To achieve the above and other related objects, the present application provides a lamp including: a lamp head assembly as described above.

As described above, the lamp cap assembly and the lamp thereof of the present application include: a lamp body, comprising: a housing, a heat sink, a plurality of light emitting devices, and a lens; the radiator is arranged in the accommodating cavity of the shell, a platform for attaching the light-emitting devices is arranged on the radiator, and the lens covers the opening at one end of the shell to fix the radiator; the upper surface of at least one platform facing the light emergent direction has a certain slope relative to the horizontal direction perpendicular to the light emergent direction; the lens is provided with a light-emitting surface opposite to the upper surface of each platform. The lamp holder is small, the space utilization rate is large, the irradiation area is large, the illumination intensity is uniform, the brightness of all points on the light spot formed under irradiation is uniform, the light is emitted in a direct irradiation mode, the light loss can be reduced to the minimum, and the light emitting efficiency is improved.

Drawings

Fig. 1 is an exploded view of a lamp head assembly according to an embodiment of the present application.

Fig. 2 is a partial structural schematic view of a lamp head assembly in an embodiment of the present application.

Fig. 3A is a schematic main view of a lens in an embodiment of the present application.

Fig. 3B is a schematic top view of a lens in an embodiment of the present application.

Fig. 4 is a side view angle schematic diagram of a lamp head assembly in an embodiment of the present application.

Detailed Description

The following description of the embodiments of the present application is provided by way of specific examples, and other advantages and effects of the present application will be readily apparent to those skilled in the art from the disclosure herein. The present application is capable of other and different embodiments and its several details are capable of modifications and/or changes in various respects, all without departing from the spirit of the present application. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

Embodiments of the present application will be described in detail below with reference to the accompanying drawings so that those skilled in the art to which the present application pertains can easily carry out the present application. The present application may be embodied in many different forms and is not limited to the embodiments described herein.

In order to clearly explain the present application, components that are not related to the description are omitted, and the same reference numerals are given to the same or similar components throughout the specification.

Throughout the specification, when a component is referred to as being "connected" to another component, this includes not only the case of being "directly connected" but also the case of being "indirectly connected" with another element interposed therebetween. In addition, when a component is referred to as "including" a certain constituent element, unless otherwise stated, it means that the component may include other constituent elements, without excluding other constituent elements.

When an element is referred to as being "on" another element, it can be directly on the other element, or intervening elements may also be present. When a component is referred to as being "directly on" another component, there are no intervening components present.

Although the terms first, second, etc. may be used herein to describe various elements in some instances, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, the first interface and the second interface, etc. are described. Also, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes" and/or "including," when used in this specification, specify the presence of stated features, steps, operations, elements, components, items, species, and/or groups, but do not preclude the presence, or addition of one or more other features, steps, operations, elements, components, species, and/or groups thereof. The terms "or" and/or "as used herein are to be construed as inclusive or meaning any one or any combination. Thus, "A, B or C" or "A, B and/or C" means "any of the following: a; b; c; a and B; a and C; b and C; A. b and C ". An exception to this definition will occur only when a combination of elements, functions, steps or operations are inherently mutually exclusive in some way.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the singular forms "a", "an" and "the" include plural forms as long as the words do not expressly indicate a contrary meaning. The term "comprises/comprising" when used in this specification is taken to specify the presence of stated features, regions, integers, steps, operations, elements, and/or components, but does not exclude the presence or addition of other features, regions, integers, steps, operations, elements, and/or components.

Terms indicating "lower", "upper", and the like relative to space may be used to more easily describe a relationship of one component with respect to another component illustrated in the drawings. Such terms are intended to include not only the meanings indicated in the drawings, but also other meanings or operations of the device in use. For example, if the device in the figures is turned over, elements described as "below" other elements would then be oriented "above" the other elements. Thus, the exemplary terms "under" and "beneath" all include above and below. The device may be rotated 90 or other angles and the terminology representing relative space is also to be interpreted accordingly.

The light-emitting part structure of the traditional desk lamp holder or corridor lamp holder mainly emits light directly or laterally, the adjustment of the light-emitting angle depends on reflection, refraction and scattering, and the loss of the light-emitting efficiency is large; the lamp cap is easy to form glare when emitting light, the brightness of all points on a facula formed by the illumination of the lamp cap is not uniform, the brightness of a part close to the lamp cap is high, and the brightness of a part round to the lamp cap is low; in addition, existing lightheads are typically large in design if large area illumination and uniformity are to be achieved. In order to solve at least one problem, the application provides a lamp holder assembly and a desk lamp thereof.

The lamp holder assembly described in the present application can be used for various lamp bodies or lamp scenes such as table lamps, corridor lamps, show window lamps, display cabinet lamps and the like. Preferably, the lamp head assembly described herein is adapted for use with a table lamp.

Fig. 1 is a schematic view illustrating an overall structure of a lamp head assembly according to an embodiment of the present disclosure. As shown, the lamp head assembly includes: a housing 110, a heat sink 120, a plurality of light emitting devices 130, and a lens 140.

In a whole, the heat sink 120 is disposed in the accommodating cavity of the housing 110, a platform 121 for attaching each light emitting device 130 is disposed on the heat sink 120, and the lens 140 covers an opening at one end of the housing 110 to fix the heat sink 120;

rely on reflection, refraction and scattering more for the regulation of solving traditional lamp holder spare light emitting angle to bring the great problem of luminous efficiency loss, this application divide into a plurality of parts with light-emitting component, with the illuminance requirement is realized through adjusting the illuminator angle.

In one embodiment, the housing 110 is a cylinder, and one end of the housing is provided with an opening and a receiving cavity for placing the heat sink 120 is reserved.

For ease of installation, the housing 110 is preferably cylindrical. It is understood that the housing 110 of the present application may also be a polygonal prism, such as a square, a hexagonal prism, an octagonal prism, etc., and of course, it may still be used for the heat sink 120 fixed as a cylinder, i.e., the heat sink 120 is aligned with the center of the housing 110 to achieve the contact between the side of the heat sink 120 and at least four sides of the housing 110, so as to achieve the fixation of the two. In addition, when the housing 110 is a polygonal prism, the lens 140 is a polygon corresponding to the polygonal prism.

In one or more embodiments, the housing 110 is made of plastic, which takes into account weight, heat dissipation, and cost.

It should be noted that, an upper surface of at least one of the platforms 121 facing the light emitting direction (shown in fig. 1) has a slope with respect to a horizontal direction perpendicular to the light emitting direction; the lens 140 has a light emitting surface opposite to the upper surface of each stage.

The detailed internal structure of the housing 110, the heat sink 120 and the light emitting device 130 in the lamp head assembly can be referred to as fig. 2. In addition, reference may also be made to the normal view and top view structural diagrams of the lens 140 shown in fig. 3A and 3B, and the side view of the lamp head assembly shown in fig. 4.

As shown in fig. 1 or fig. 2, the platform 121 and the light emitting devices 130 attached thereto are only shown as 3 in the present application, but may be 2 or more than 3 in other embodiments.

For example, when the number of the platforms 121 is 2, the upper surface of one of the platforms 121 may have a certain slope, and the upper surface of the other platform 121 may not have a slope with respect to the horizontal direction; alternatively, the upper surfaces of the two platforms 121 have a certain slope, and the orientation of the upper surface corresponding to each platform 121 may be set to be the same or different according to actual conditions.

When the number of the stages 121 is 3 or more than 3, the stages 121 having a certain slope on the upper surface may be 1, 2, or 3. And, when the number of the platforms 121 having a certain slope on the upper surface is 2 or 3, the orientation of the upper surface corresponding to each platform 121 may be set to be the same or two of the same or all different according to actual conditions.

In some practical embodiments, the number of the platforms 121 with a certain slope on the upper surface can be adjusted in the design and production process stage according to the application scenario or the actual requirement, so as to ensure the maximum light extraction efficiency and the illumination area, thereby increasing the illumination area under the condition of limited size of the lamp head assembly.

In other practical embodiments, the slope of the platform 121 may be increased or decreased during the design and production process according to actual requirements, so as to adjust the illumination angle of each light emitting device 130.

Further, in order to optimize the light emitting angle and the light emitting efficiency of each of the light emitting devices 130 attached to the platforms 121 with different orientations, the lens 140 is designed to be an irregular plane, and more specifically, the area corresponding to the upper surface of each of the platforms 121 is designed to be the light emitting surface 141 parallel to the upper surface of each of the platforms 121, that is, the light emitting device 130 is attached to the upper surface of the platform 121, and since the light emitting surface 141 is parallel to the upper surface of the platform 121, the light emitting surface 141 and the attached light emitting device 130 are also relatively parallel. Thereby, the maximum light extraction efficiency and the irradiation area can be ensured, and the irradiation area can be increased under the condition that the lamp holder component is limited in size.

This application is through the luminescent device 130 who sets up a plurality of different angles, and this setting is compared the lamp holder of current LED desk lamp and is little a lot, and the light-emitting of different angles can be so that shine the illumination of going out even, can not look like prior art, and the local luminance near the lamp holder is high, and local luminance from the lamp holder circle is low, and the characteristics of this application are through the luminescent device 130 of a plurality of differences, can make the desk lamp shine down the luminance of all points on the facula of formation all even.

In addition, the light emitting device 130 can emit light in a direct emitting mode, light loss can be reduced to the minimum, and light emitting efficiency is improved.

In this embodiment, the heat sink 120 is a cylinder, one end of which is provided with an opening, and the heat sink 120 is internally provided with a plurality of the platforms 121 and a plurality of heat dissipating through holes 122.

Correspondingly, the lens 140 has heat dissipation holes 142 corresponding to the heat dissipation through holes 122.

In the present application, through the corresponding arrangement of the heat dissipating through holes 122 and the heat dissipating holes 142, the heat generated by the light emitting device 130 in the cavity of the heat sink 120 is dissipated out of the lamp head assembly through the heat dissipating through holes 122 and the heat dissipating holes 142, so as to realize the heat exchange with the outside air and improve the heat dissipating performance.

In this embodiment, a plurality of bars 111 are disposed on the inner side of the housing 110 to fasten and fix the heat sink 120; and/or, a plurality of main buckling columns 112 are arranged on the inner side surface of the shell 110 to be matched with and buckled with the lens 140.

Correspondingly, a plurality of radiating grids 123 are arranged on the outer side surface of the radiator 120 at equal intervals; the two adjacent heat dissipation grids 123 are used for clamping and fixing the plurality of barrier bars 111 on the inner side surface of the housing 110, and/or the plurality of main buckling columns 112 on the inner side surface of the housing 110 pass through to be matched and buckled with the lens 140.

The stop bars 111 can also make the heat sink 120 align quickly when the heat sink is placed into the housing 110, and keep the relative positions of the housing 110 and the heat sink 120 unchanged.

In this embodiment, the side of the lens 140 is provided with a secondary latching post 143 facing the backlight direction and adapted to latch with the plurality of primary latching posts 112 on the inner side of the housing 110.

The main buckling column 112 and the auxiliary buckling column 143 are a set of buckling components, the heads of the main buckling column 112 and the auxiliary buckling column 143 both have a protruding portion for buckling, and both have certain elasticity, and after the head of the main buckling column 112 contacts with the head of the auxiliary buckling column 143 for a certain distance, the protruding portions of the two buckle each other. The primary and secondary snap posts 112 and 143 facilitate the mounting and dismounting of the lens 140.

In this embodiment, the heat sink 120 is made of an aluminum substrate. The aluminum substrate is made of a material with good heat dissipation performance. In addition, as can be seen from the above, the heat dissipation performance of the heat sink 120 is further improved by the heat dissipation grids 123 and the heat dissipation passages 122.

In this embodiment, a first wire port 113 is formed on a side surface of the housing 110, and a second wire port 124 is formed on a side surface of the heat sink 120 corresponding to the first wire port 113 for connecting a power supply wire.

Preferably, the first connection port 113 and the second connection port 124 are aligned to be able to be connected to a power source and to receive a support member, such as a desk lamp arm.

In this embodiment, the light emitting device 130 is composed of a ceramic base and an LED chip. The light emitting device 130 can be connected to an external power supply (e.g., a desk lamp main body) through the first and second connection ports 113 and 124.

This application lamp holder subassembly structure is little, and space utilization is big, and shines the area big, and the illuminance is even, shines all luminance of some points on the facula of formation down all even to with the mode light-emitting of penetrating directly, can fall to the light loss to minimum, improve light extraction efficiency.

The present application further provides a luminaire, comprising: a lamp head assembly as described in fig. 1 or 2. In one or more embodiments, the light fixtures described herein include, but are not limited to: lamps with various forms or functions, such as desk lamps, corridor lamps, show window lamps, display cabinet lamps and the like.

In summary, the present application effectively overcomes various disadvantages of the prior art and has a high industrial utility value.

The above embodiments are merely illustrative of the principles and utilities of the present application and are not intended to limit the application. Any person skilled in the art can modify or change the above-described embodiments without departing from the spirit and scope of the present application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of the present application.

Claims (12)

1. A lamp head assembly, comprising: a housing, a heat sink, a plurality of light emitting devices, and a lens;

the radiator is arranged in the accommodating cavity of the shell, a platform for attaching the light-emitting devices is arranged on the radiator, and the lens covers the opening at one end of the shell to fix the radiator;

the upper surface of at least one platform facing the light emergent direction has a certain slope relative to the horizontal direction perpendicular to the light emergent direction;

the lens is provided with a light-emitting surface opposite to the upper surface of each platform.

2. The lamp head assembly of claim 1, wherein the housing is a cylinder having an opening at one end and leaving a receiving cavity for receiving the heat sink.

3. The lamp head assembly of claim 1, wherein a plurality of ribs are disposed on an inner side of the housing for engaging and fixing the heat sink; and/or a plurality of main buckling columns are arranged on the inner side surface of the shell to be matched with and buckle the lens.

4. The lamp holder assembly of claim 3, wherein a plurality of heat dissipation grids are equidistantly arranged on the outer side surface of the heat sink; and the adjacent two heat dissipation grids are used for clamping and fixing the plurality of blocking strips on the inner side surface of the shell, and/or the plurality of main buckling columns on the inner side surface of the shell penetrate through the main buckling columns to be buckled with the lens in a matched mode.

5. The lamp head assembly of claim 3, wherein the lens side is provided with a secondary snap post facing the backlight direction and adapted to snap with the plurality of primary snap posts on the inner side of the housing.

6. The lamp head assembly of claim 1, wherein the heat sink is a cylinder with an opening at one end, and the heat sink has a plurality of the platforms and a plurality of heat dissipating through holes protruding therein.

7. The lamp head assembly of claim 6, wherein said lens leaves a heat sink corresponding to each of said heat sink through holes.

8. The lamp head assembly of claim 1, wherein the light exit surface is parallel to the upper surface of the platform.

9. The lamp head assembly of claim 1, wherein a first wiring port is reserved on a side surface of the housing, and a second wiring port is reserved on a side surface of the heat sink corresponding to the first wiring port, so as to allow access to power supply wiring.

10. The lamp head assembly of claim 1, wherein the heat sink is an aluminum substrate.

11. The lamp head assembly of claim 1, wherein the light emitting device is comprised of a ceramic submount and an LED chip.

12. A light fixture, comprising: the lamp head assembly of any one of claims 1 to 11.

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