CN215892017U

CN215892017U - Cylinder lamp

Info

Publication number: CN215892017U
Application number: CN202122264737.2U
Authority: CN
Inventors: 严钱军; 郑昭章; 马玲莉
Original assignee: Hangzhou Hangke Optoelectronics Group Co ltd
Current assignee: Hangzhou Hangke Optoelectronics Group Co ltd
Priority date: 2021-07-07
Filing date: 2021-09-14
Publication date: 2022-02-22
Anticipated expiration: 2031-09-14

Abstract

The utility model provides a down lamp which comprises a lamp body, a light-transmitting layer, a light source and a power supply assembly, wherein the lamp body comprises a base, the light source is arranged between the base and the light-transmitting layer, the light source comprises a filament, the filament comprises a power supply end, the power supply end is electrically connected with the power supply assembly, and the filament comprises a plurality of LED chips which are connected in series, in parallel or in series-parallel mixed connection. The filament or a part of the structure of the filament is not in direct contact with the base. The down lamp disclosed by the utility model has the advantages that the light source shapes are variable, the lighting effect is better, and meanwhile, more design freedom can be realized.

Description

Cylinder lamp

Technical Field

The utility model relates to the technical field of illuminating lamps, in particular to a down lamp.

Background

Traditional LED down lamp is LED light source with the simple replacement of the light source that the down lamp used generally, and in the down lamp base was located to the LED light source, uncovered department was equipped with lens at the down lamp base for LED section of thick bamboo lamp shines out, the defect: the light is dazzling, the shape of the light source is not changeable, and the designability is small.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides the down lamp with the changeable light source shape, and the light effect is better.

In order to solve the technical problem, the utility model is solved by the following technical scheme:

the down lamp comprises a lamp body, a light transmitting layer and a light source, wherein the lamp body comprises a base, the light source is installed between the base and the light transmitting layer, the light source comprises at least one filament, and the filament is opposite to the base and is partially suspended or completely suspended.

Optionally, the light source is a three-dimensional structure.

Optionally, the light source includes one or more structures of a straight rod structure, a bent structure, a spiral structure and a winding structure formed by one filament; or the light source comprises one or more structures of a straight rod structure, a bent structure, a spiral structure and a winding structure which are formed by more than two filaments.

Optionally, the filament further includes a support, and the filament is fixed between the base and the light-transmissive layer in a suspended manner or a partially suspended manner through the support.

Optionally, the filament is fixed to the base, and the entire filament is fixed to the base, or the filament part is fixed to the base.

Optionally, the support includes a first support, the first support is connected to the filament and fixes the filament, and one end of the first support is fixed to the base.

Optionally, the support includes a first support and a second support, one end of the second support is connected to the first support, and the other end of the second support is connected to the filament.

Optionally, the bracket includes a first bracket and a second bracket, and the first bracket and the second bracket are independently fixed to the base.

Optionally, the filament comprises more than one luminescent particle and at least two sections of conductive parts.

Optionally, the light emitting particles include LED chips or LED beads.

Optionally, the filament further includes a substrate, and the substrate is mounted with luminescent particles.

Optionally, the substrate is a flexible substrate or a rigid substrate.

Optionally, the light source includes a driving circuit and a power supply terminal.

Optionally, the light source is connected to a driving circuit, and the driving circuit is installed on the lamp body or located outside the lamp body.

The utility model has the beneficial effects that:

the LED lamp filament structure is applied to down lamp products, various more attractive shapes can be designed inside the down lamp filament structure, and after the light source is lightened, the shape of the light source can be seen from the outside of the light-transmitting layer. Meanwhile, the euphotic layer can also be designed to be transparent or semitransparent, and the inner design structure is penetrated. Form a down lamp structure integrating beauty and practicability. Based on this type of structure, can make different models with the LED filament, designer's design degree of freedom is higher, is different from traditional single inner structure's down lamp.

And (II) the lamp filament is fixed by adopting the support, and the flexible lamp filament can be molded in various forms. After the light source is electrified to emit light, the bracket for fixing the filament can be hidden under the action of light, only the structure of the filament can be seen from the appearance, and the influence of the bracket on the attractiveness of the light source is well solved.

Drawings

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

Fig. 1 is a schematic structural view of a downlight disclosed in embodiment 1;

fig. 2 is a schematic structural view of a light source in the downlight disclosed in embodiment 1;

FIG. 3 is a schematic structural view of a downlight disclosed in embodiment 3;

FIG. 4 is a schematic structural view of a downlight disclosed in embodiment 4;

FIG. 5 is a schematic structural view of a downlight disclosed in embodiment 5;

fig. 6 is a schematic structural view of a downlight disclosed in embodiment 6.

Detailed Description

The present invention will be described in further detail with reference to examples, which are illustrative of the present invention and are not to be construed as being limited thereto.

Example 1:

this embodiment discloses a down lamp, refer to fig. 1, and it includes lamp body 1, euphotic layer, light source 2 and power supply module, the lamp body includes the base, the light source install in the base with between the euphotic layer, the light source includes the filament, the filament includes the power end, the power end with power supply module electricity is connected, wherein the filament includes a plurality of series connection, parallel connection or series-parallel hybrid connection's LED chip or lamp pearl. The filament or a part of the structure of the filament is not in direct contact with the base. The filament is formed in a suspended or partially suspended state. The euphotic layer is a euphotic diffusion plate of the down lamp.

The filament or a part of the structure of the filament is not in direct contact with the base. It is also understood that the filament is fixed to the base, the filament is fixed to the base in its entirety, or the filament is fixed to the base in its part. The fixing mode comprises a fixing mode adopting a bracket and a fixing mode not adopting the bracket.

The light source comprises one or more structures of a straight rod structure, a bending structure, a spiral structure and a winding structure which are formed by one filament; or the light source comprises one or more structures of a straight rod structure, a bent structure, a spiral structure and a winding structure which are formed by more than two filaments.

The scheme comprises a plurality of embodiments, 1) the light source comprises a filament, and the filament is integrally of a straight rod structure, a bent structure, a spiral structure and a winding structure;

2) the light source comprises a filament, and the filament is integrally fused with at least two structural forms including a straight rod structure, a bending structure, a spiral structure and a winding structure. For example, a filament is made to include straight rod structures as well as coiled structures.

3) The light source comprises two or more filaments, each filament can be the same in structure or different in structure, and the filaments are electrically connected with one another to form different shapes. The shape is aesthetic.

The LED lamp bead in the scheme can be understood as comprising a granular substrate, an LED chip fixed on the granular substrate, a light-transmitting plastic layer or a colloidal layer covering the chip, and a light source of an exposed conductive end.

In other contemplated embodiments, the filament may take the form of a filament-like structure or a strip-like structure with no substrate of the LED chip structure and electrically conductive members.

Furthermore, the filament also comprises a protective layer, and the luminescent particles are positioned in the transparent protective layer; the conductive component is partially or completely positioned in the light-transmitting protective layer. In this embodiment, the light emitting particles and the conductive member are both located in a light-transmitting protective layer to form a filament shape.

The substrate in the filament adopts a flexible substrate or a rigid substrate, the rigid substrate can adopt a PCB (printed Circuit Board), a ceramic substrate, a glass substrate, a copper substrate or an aluminum substrate, and the flexible substrate can adopt an FPC (Flexible printed Circuit) substrate.

In this embodiment, as shown in fig. 1, the light source includes at least one set of the above-mentioned filaments, and at least one set of the above-mentioned filaments is formed in a bent, spiral or wound state. Fig. 2 provides a helix 2-1 with one end of the helix adjacent the base and the other end of the helix adjacent the light transmitting layer. In other embodiments, the light source may be a light source formed by winding a filament, and in actual design, the filament may be designed into various aesthetic structures without being limited by the embodiment.

The fixing mode of the filament structure in a bending, spiral or winding state can be two. Firstly, the base plate is directly fixed on the base, a settable base plate is needed, and the base plate cannot deform due to gravity after being set into a spiral structure, so that a partial suspended structure is formed.

And secondly, the whole lamp filament is suspended and fixed, and the bracket is arranged on the base to realize the suspension and fixation of the lamp filament structure in a bent, spiral or winding state. Specifically, a support 3 is fixed on the base, and the support fixes the filament. The support comprises a first support 3-1, one end of which is fixed on a base, in particular a straight rod, and the other end of which is far away from the base. A filament may be wound on the first support.

Furthermore, in order to mold more diversified, a second support 3-2 can be arranged, the second support is a plurality of slender fixing lines, one end of each fixing line is fixed on the first support, the other end of each fixing line is connected with the lamp filament, and therefore the lamp filament can be molded through the fixing lines, and different shapes of the light sources are designed. The fixing wire can be made of copper wires, iron wires, nickel wires, molybdenum wires, ceramic rods, glass rods or plastic rods. The fixation thread may be rigid or semi-flexible, i.e. may be shaped, rather than being a completely flexible material.

In the above description of the technical features that the light source is completely suspended or partially suspended relative to the base, specifically, taking the filament of the spiral structure as an example, it can be interpreted that one end or one section of the filament in the spiral shape is fixed on the base, and other parts are suspended and fixed in a plastic form through the first support and the second support or only the first support, that is, the light source is partially suspended.

Or all the structures of the filament designed into the spiral structure are not directly contacted with the base, the filament is suspended and fixed into a plastic shape only through the first support and the second support, and the power supply end of the filament is connected to the base through a conducting wire.

With respect to the bracket structure, in other contemplated embodiments, the first bracket and the second bracket are independently secured to the base. The two independent brackets fix the light source, specifically, suspend or partially suspend. It is understood that the number of the first bracket and the second bracket may be one or more.

The down lamp disclosed in this embodiment further includes a driving circuit, and one embodiment is that the driving circuit is integrated with the light source, that is, the driving circuit is configured on the filament, and the filament is led out of a power supply terminal a, which can be directly connected to an alternating current.

In another embodiment, the light source is connected to a driving circuit, i.e., the driving circuit is not integrated on the filament, the driving circuit is independent of the down lamp, and the power supply terminal B of the filament is connected to the independent driving circuit through an electric outgoing line.

In another embodiment, the light source is connected to a driving circuit, i.e., the driving circuit is not integrated on the filament, the driving circuit is mounted on the base, and the power supply terminal C of the filament is connected to the driving circuit of the lamp body.

The lamp body is provided with a euphotic layer, a light source and a base. A fixing part is arranged outside the lamp body, and the external fixing part can be a plurality of groups of hooks, such as four groups of hooks 4 shown in figure 1; or a buckle.

Wherein, be in order to design diversified with LED filament structure application to down lamp product, the structure of inside light source can be observed to the selection of euphotic layer then. There are two application structures that can be referred to, one of which is that the structure inside the euphotic layer cannot be seen under the condition that the light source is not lighted; when the light source is lighted, the light emitting shape of the light source can be seen from the light transmitting layer. Secondly, even when the light source is not turned on, the design structure of the light source inside can be seen, and the lamp can be used as an ornamental lamp even in the non-turned-on state. Meanwhile, the euphotic layer can also be designed to be transparent or semitransparent, and the inner design structure is penetrated. Form a down lamp structure integrating beauty and practicability.

Based on this type of structure, can make different models with the LED filament, designer's design degree of freedom is higher, is different from traditional single inner structure's down lamp, and outer structure's design is very restricted, because in the lamp body of most of down lamps need imbed the wall, so the lamp body structure has fixed specification, from the light source design, makes the design of down lamp more diversified.

Example 2:

this embodiment discloses a downlight, which is different from embodiment 1 in the structure of a filament, and the other structures are the same or similar, and can be understood by referring to embodiment 1, wherein the light source is a COB light source, and the filament includes a plurality of LED chips connected in series, in parallel or in a mixed manner, and a conductive part and a substrate. Specifically, more than one LED chip and more than two sections of conductive parts are arranged on the substrate; wherein, more than one LED chip is connected through the conductive part to realize the combination electrical connection relation of more than one LED chip series connection, parallel connection or series-parallel connection mixture.

The substrate adopts a strip-shaped substrate or a spiral substrate, and the LED chip and the conductive part are arranged on the strip-shaped substrate or the spiral substrate.

The filament further comprises a protective layer, and the LED chip is positioned in the light-transmitting protective layer; the conductive component is partially or completely positioned in the light-transmitting protective layer. In this embodiment, the LED chip and the conductive member are both located in the light-transmitting protective layer, thereby forming a filament shape.

The substrate in the embodiment is a strip-shaped or spiral substrate, so that the width is small and the shape is slender; under the condition that needs, base plate both sides all are equipped with the printing opacity protective layer, or whole base plate all is located the printing opacity protective layer, makes filament overall structure more unified, pleasing to the eye.

In the above, the light-transmitting protective layer may be transparent, opaque or translucent as long as the light-transmitting requirement is satisfied. For example, a fluorescent glue medium may be used without specific limitation.

Example 3:

the embodiment discloses a down lamp, which is different from the

embodiments

1 and 2 in that the light source comprises at least two groups of electrically connected filaments as shown in fig. 3, and the at least two groups of filaments are combined into a three-dimensional structure. The method comprises the following specific steps:

the light source comprises at least two groups of electrically connected filaments, and the at least two groups of filaments are combined into a three-dimensional structure. The specific light source structure may include the following embodiments, and only some of the structures are exemplified here, and various light source structure designs may be performed according to the idea of the present solution according to the actual needs.

The filament is formed by splicing a plurality of straight rod-shaped filaments, and the filaments are connected in series, in parallel or in series-parallel mixed connection; the joint is fixed so that all the filaments connected together are not deformed.

As shown in fig. 3, it can be seen that the light source is a three-dimensional structure with a trapezoidal cross section formed by splicing a plurality of straight rod-shaped filaments 2-2, and the three-dimensional structure includes a protruding portion which is arranged towards the direction of the light-transmitting layer.

Example 4:

this embodiment discloses a tube light, as shown in fig. 4, the structure of the tube light is different from that of embodiment 1 in that the light source 2 includes a filament, and the filament is of a bent structure.

Example 5:

the present embodiment discloses a tube light, as shown in fig. 5, the structure of the tube light is different from that of embodiment 1 in that the light source 2 includes a filament, the filament is a flexible filament and is stretched into a straight rod structure, and the flexible filament of the straight rod structure is fixed laterally or vertically or obliquely in the space between the light-transmitting layer and the base.

For other structures of the down lamp, refer to embodiment 1, which is not described herein any more, and those skilled in the art can design and adjust the structure according to the above contents.

In other embodiments, two, three, four or more filaments of straight rod structure are included. And the filaments of the straight rod structures are vertically or horizontally or obliquely arranged between the light transmitting layer and the base.

Example 6:

in the embodiment, the lamp filament is fixed without a support, and the lamp filament is arranged in a space between the euphotic layer and the base. The filament has one or more, and every filament comprises one or more structures in straight-bar structure, bending structure, helical structure and winding structure. As shown in fig. 6, taking the filament with the spiral structure as an example, a part of the filament with the spiral structure is fixed on the base, and is directly fixed on the first cavity without using a support, and the power supply end is connected to the base.

One of the implementation modes is that one part of the filament is fixed on the base, when the down lamp is installed on the wall surface, the filament of the unfixed part droops under the action of gravity, and a uniquely designed down lamp light source model is formed.

In another embodiment, the filament is a semi-flexible or rigid substrate, and when the filament is shaped in the first cavity, the filament is not deformed due to the influence of gravity.

The installation method disclosed in embodiment 6 can be applied to any of the downlights in embodiments 1 to 5, and only the support structure of the parts in embodiments 1 to 5 is replaced by the installation method in this embodiment.

Regarding the filament, in one embodiment, the filament includes several LED chips connected in series, parallel, or a mixture thereof. Specifically, the LED chip comprises more than one LED chip and more than two sections of conductive parts; wherein, more than one LED chip is connected through the conductive part to realize the combination electrical connection relation of more than one LED chip series connection, parallel connection or series-parallel connection mixture.

The filament further comprises a protective layer, and the LED chip is positioned in the light-transmitting protective layer; the conductive component is partially or completely positioned in the light-transmitting protective layer. The LED chip and the conductive part are both positioned in the light-transmitting protective layer, so that a filament shape is formed.

Regarding the filament, another embodiment, based on example 2, the light source is a COB light source, and the filament includes several LED chips connected in series, in parallel, or in a hybrid manner, as well as a conductive member and a substrate. Specifically, more than one LED chip and more than two sections of conductive parts are arranged on the substrate; wherein, more than one LED chip is connected through the conductive part to realize the combination electrical connection relation of more than one LED chip series connection, parallel connection or series-parallel connection mixture.

In addition, it should be noted that the specific embodiments described in the present specification may differ in the shape of the components, the names of the components, and the like. All equivalent or simple changes of the structure, the characteristics and the principle of the utility model which are described in the patent conception of the utility model are included in the protection scope of the patent of the utility model. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the utility model as defined in the accompanying claims.

Claims

1. The down lamp is characterized by comprising a lamp body, a light transmission layer and a light source, wherein the light transmission layer is installed on the lamp body, the lamp body comprises a base, the light source is installed between the base and the light transmission layer, the light source comprises at least one filament, and the filament is opposite to the base and is completely suspended or partially suspended.

2. A downlight according to claim 1 wherein the light source is a three-dimensional volumetric structure.

3. A downlight according to claim 1, wherein the light source comprises one or more of a straight rod structure, a bent structure, a helical structure and a wound structure of a single filament; or the light source comprises one or more structures of a straight rod structure, a bent structure, a spiral structure and a winding structure which are formed by more than two filaments.

4. The downlight of claim 1, further comprising a bracket, wherein the filament is fixed between the base and the light-transmitting layer in a suspended or partially suspended manner through the bracket.

5. A downlight according to claim 1 wherein the filament is fixed to the base, the filament is fixed wholly to the base, or the filament is fixed partially to the base.

6. A downlight according to claim 4 wherein the support comprises a first support which is connected to and fixes the filament, one end of which is fixed to the base.

7. A downlight according to claim 4 or claim 6 wherein the support comprises a first support and a second support, the second support being connected at one end to the first support and at the other end to the filament.

8. A downlight according to claim 4 or claim 6 wherein the bracket comprises a first bracket and a second bracket, the first and second brackets being independently secured to the base.

9. A downlight according to claim 1 wherein the filament comprises more than one light emitting particle, at least two sections of electrically conductive material.

10. A downlight according to claim 9 wherein the light emitting particles comprise LED chips or beads.

11. A downlight according to claim 9 or 10 wherein the filament further comprises a substrate on which the light-emitting particles are mounted.

12. A downlight according to claim 11 wherein the substrate is a flexible substrate or a rigid substrate.

13. A downlight according to any one of claims 1 to 6 wherein the light source comprises a drive circuit and a power supply terminal.

14. A downlight according to any one of claims 1 to 6 wherein the light source is connected to a drive circuit, the drive circuit being mounted to the light body or located externally of the light body.

15. A downlight according to any one of claims 1 to 6 wherein the body is externally mounted with a fixing.