CN205592797U - Lighting device - Google Patents

Abstract

The utility model provides a lighting device, include: the casing is including bottom plate and lateral wall, the light source subassembly is fixed in on the bottom plate of casing, the photocon, set up in light source subassembly and the one side of holding towards shell opening, the light diffuser plate, the laminating set up in the photocon is kept away from one side of light source subassembly, face ring extends the vertical wall who forms including the anchor ring with along the direction of perpendicular to anchor ring, the anchor ring with the laminating of light diffuser plate sets up, vertical wall with the lateral wall buckle of casing combine to form so that the light source subassembly the photocon and the light diffuser plate forms the confined cavity. Adopt the utility model discloses a lighting device can reach the effect of uniform illumination.

Description

Illuminator

Technical field

This utility model relates to lighting field, particularly relates to a kind of illuminator.

Background technology

Light emitting diode (Light Emitting Diode is called for short LED) light source is little, high owing to having volume Brightness, power consumption is low and the advantage such as length in service life, gets the attention and applies.LED down is A kind of be embedded into the lighting of light down-ejection type in building decoration, LED down can reach when installing to keep with The unification of building decoration, light source is hidden in inside building decoration, and light source does not exposes, free from glare, visual effect Milder uniformly.

Owing to LED down is embedded in building decoration, accordingly, it would be desirable to have corresponding on building decoration Perforate, the bore size on building decoration limits the size of LED down.In prior art, LED The base of Down lamp and housing use screw to connect, and in the case of the bore size of building decoration is constant, use When screw connects, can reserve on base and housing and assemble position accordingly, so make LED down The design size of housing diminishes, and causes the space of the inside of LED down relatively to diminish so that the row of LED Cloth region reduces accordingly, is unfavorable for realizing the effect of LED down Uniform Illumination.

Utility model content

In view of the above problems, it is proposed that this utility model is to provide one to overcome the problems referred to above or at least portion Ground is divided to solve the illuminator of the problems referred to above.

Based on an aspect of the present utility model, it is provided that a kind of illuminator, including:

Housing, including base plate and sidewall；

Light source assembly, is fixed on the base plate of described housing；

Photocon, is arranged at described light source assembly and the side towards described shell nozzle end；

Light ray diffusion plate, laminating is arranged at the described photocon side away from described light source assembly；

Face ring, extends the upstanding wall formed, described anchor ring and institute including anchor ring with along the direction being perpendicular to anchor ring Stating light ray diffusion plate laminating to arrange, described upstanding wall is combined with the sidewall buckle of described housing so that described light source Assembly, described photocon and described light source diffusion plate form the cavity closed.

Alternatively, the outward flange of described base plate is provided with chimb, and the height of projection of described chimb is more than 1.0mm.

Alternatively, described light source assembly includes LED chip, drive circuit and for integrated described LED Chip and the substrate of described drive circuit, wherein, described substrate is fixed on the base plate of described housing.

Alternatively, when described housing is circular shell, only it is provided with many in the region near described substrate edges Individual LED chip.

Alternatively, when described housing is square casing, it is provided with multiple rows of along the length direction of described substrate LED chip, described multiple rows of LED chip meets the non-distribution neatly aligned along the width of described substrate.

Alternatively, the one during described photocon includes lens and light reflector.

Alternatively, described photocon is fixed on described housing, or, described photocon is fixed on described Face ring, or, described photocon is sandwiched fixing by described light source assembly and described ring location.

Alternatively, described light reflector is integrated the parts of configuration, including light reflected bottom plate and arc Light reflective side walls, or described light reflector includes the first reflector and the second reflector that mutually assemble.

Alternatively, described device also includes: anti-bracing wire button, runs through through described base plate and described substrate, and It is fixed on described base plate and/or described substrate.

Alternatively, described device also includes: jump ring parts, is symmetricly set in described upstanding wall, is used for fixing Described illuminator is on installing component.

Alternatively, described housing uses the parts of metal material moulding.

Alternatively, described light reflector uses the parts of the polymer material molding of high reflectance, or

Described light reflector is provided with the sprayed coating of high reflectance in the light reflective side walls of described arc.

Illuminator in this utility model, the sidewall of housing uses the side that buckle is combined with the upstanding wall of face ring Formula, so that light source assembly, photocon and light ray diffusion plate form the cavity closed, serves fixing light The effect of diffuser plate so that light source assembly, photocon and light ray diffusion plate are tightly bonded together, Improve steadiness and the seal of illuminator, it addition, use buckle combine mode, it is possible to be easy to into The assembly or disassembly operation of row illuminator.Further, the sidewall of housing uses buckle with the upstanding wall of face ring In conjunction with mode, it is no longer necessary to housing and face ring reserve the position for assembling so that the size of housing is relative In prior art, use the becoming large-sized of housing of the mode of screw assembling, and then make the inside of housing empty Between become big.

Described above is only the general introduction of technical solutions of the utility model, in order to it is new to better understand this practicality The technological means of type, and can being practiced according to the content of description, and in order to allow of the present utility model on State and can become apparent with other objects, features and advantages, be embodied as especially exemplified by of the present utility model below Mode.

According to below in conjunction with the accompanying drawing detailed description to this utility model specific embodiment, those skilled in the art Will become more apparent from of the present utility model above-mentioned and other purposes, advantage and feature.

Accompanying drawing explanation

By reading the detailed description of hereafter preferred implementation, various other advantage and benefit for ability Territory those of ordinary skill will be clear from understanding.Accompanying drawing is only used for illustrating the purpose of preferred implementation, and also It is not considered as restriction of the present utility model.And in whole accompanying drawing, it is denoted by the same reference numerals phase Same parts.In the accompanying drawings:

Fig. 1 shows the longitudinal sectional view of the illuminator according to one embodiment of this utility model；

Fig. 2 shows the structure of the illuminator with circular appearance according to one embodiment of this utility model Schematic diagram；

Fig. 3 shows the structure of the illuminator with square appearance according to one embodiment of this utility model Schematic diagram；

Fig. 4 shows the arrangement schematic diagram of LED chip on the substrate according to one embodiment of this utility model；

Fig. 5 shows the another kind of arrangement of LED chip on the substrate according to one embodiment of this utility model Schematic diagram；

Fig. 6 a shows the longitudinal sectional view of the illuminator according to one embodiment of this utility model；

Fig. 6 b shows the another kind of longitudinal sectional view of the illuminator according to one embodiment of this utility model.

Detailed description of the invention

It is more fully described the exemplary embodiment of the disclosure below with reference to accompanying drawings.Although it is aobvious in accompanying drawing Show the exemplary embodiment of the disclosure, it being understood, however, that may be realized in various forms the disclosure And should not limited by embodiments set forth here.On the contrary, it is provided that these embodiments are able to more Thoroughly understand the disclosure, and can be by the technology conveying to this area complete for the scope of the present disclosure Personnel.

Embodiment one

Fig. 1 shows the longitudinal sectional view of the illuminator according to one embodiment of this utility model.See figure 1, this illuminator includes: housing 11, light source assembly 12, photocon 13, light ray diffusion plate 14 with And face ring 15, wherein, housing 11 includes base plate 111 and sidewall 112, and light source assembly 12 is fixed on base plate On 111, photocon 13 is arranged at light source assembly 12 and the side towards housing 11 opening, and light expands 14 laminatings of falling apart are arranged at the photocon 13 side away from light source assembly 12, and face ring 15 includes anchor ring 151 Extending, with along the direction being perpendicular to anchor ring, the upstanding wall 152 formed, anchor ring 151 is fitted with light ray diffusion plate 14 Arranging, upstanding wall 152 is combined with sidewall 112 buckle of housing so that light source assembly 12, photocon 13 And light ray diffusion plate 14 forms the cavity closed.

Illuminator in this utility model, the sidewall 112 of housing 11 is adopted with the upstanding wall 152 of face ring 15 The mode combined with buckle is so that light source assembly 12, photocon 13 and light ray diffusion plate 14 form closing Cavity, serve the effect of fixing light ray diffusion plate 14 so that light source assembly 12, photocon 13 with And light ray diffusion plate 14 is tightly bonded together, improve steadiness and the seal of illuminator, separately Outward, the mode that buckle combines is used, it is possible to be convenient for the assembly or disassembly operation of illuminator.Further, The sidewall 112 of housing 11 uses the mode that buckle is combined with the upstanding wall 152 of face ring 15, it is no longer necessary to shell Body 11 and face ring 15 reserve the position for assembling so that the size of housing 11 is relative in prior art Becoming large-sized of the housing of the mode of employing screw assembling, and then make the inner space of housing 11 become big.

Seeing Fig. 1, light source assembly 12 includes LED chip 121, drive circuit (not shown in figure 1) And substrate 122.Wherein, LED chip 121 uses surface mounting technology (Surface with drive circuit Mounted Technology, is called for short SMT) it is integrated on same substrate 122, it can simplify driving Production technology, it addition, be integrated into LED chip 121 and drive circuit on same substrate 122, i.e. Power supply integrated technology (is called for short DOB) so that the number of parts of drive circuit declines, and saves space, Illuminator is made to can reach slim effect.In this utility model, LED chip 121 is with drive circuit also The Integration ofTechnology of grafting can be used to substrate 122, or surface mounting technology and grafting skill can be used The mode that art combines is integrated on substrate 122 (i.e. the mode of part patch portion grafting).It addition, LED Chip 121 and drive circuit are integrated on substrate 122, and drive circuit can be positioned at LED chip 121 Same surface or be positioned at different surfaces.

Further, since the upstanding wall 152 of the sidewall 112 of this utility model middle shell 11 and face ring 15 uses The mode that buckle combines so that the size of housing 11 is relative to the mode using screw assembling in prior art The becoming large-sized of housing, and then make the inner space of housing 11 become big, along with the inside of housing 11 is empty Between become big, the size being arranged at the substrate 122 within housing 11 also becomes big, and then increases and be arranged on base The layout area of the LED chip 121 on plate 122, can reach the effect of illuminator Uniform Illumination.

In this utility model, in order to be beneficial to dispel the heat, housing 11 uses the parts of metal material moulding.It addition, In a preferred embodiment of the present utility model, the outward flange of the base plate 111 of housing 11 is provided with chimb, The height of projection of chimb is more than 1.0mm.For the ease of understanding the chimb on the base plate 111 in this utility model Design, this utility model shows the chime on the base plate of housing in figs. 2 and 3.Fig. 2 illustrates The structural representation of the illuminator with circular appearance according to one embodiment of this utility model, sees Fig. 2, the outward flange at the base plate 211 of the circular shell 21 of this illuminator is provided with chimb 211a.Fig. 3 Show the structural representation of the illuminator with square appearance according to one embodiment of this utility model. See Fig. 3, this illuminator square shell 31 the outward flange of base plate 311 be provided with chimb 311a.

In this utility model, carry out as a example by the chime on the base plate 111 of the housing 11 shown in Fig. 1 Illustrating, the outward flange at the base plate 111 of housing 11 is provided with chimb, increases the LED on substrate 122 Creep age distance between chip 121 and housing 11, so makes LED chip 121 closer to housing 11 Outward flange, and then make the layout area of LED chip 121 become big, the arrangement district of LED chip 121 Territory becomes big, and then increases the exiting surface of the light that LED chip 121 sends so that LED chip 121 The exiting surface area of the light sent is close with the area of light ray diffusion plate 14, and then makes to spread through light The light of plate diffusion 14 reaches the effect of more Uniform Illumination.

Except increasing LED chip 121 in the way of arranging chimb by the outward flange at the base plate 111 of housing 11 Layout area, and then can improve outside illuminating device luminous uniformity, in this utility model, also use Optimize the arrangement of LED chip 121 and the mode of the structure of photocon 13, improve illuminator further Luminous uniformity.

In this utility model, LED chip 121 arrangement on a substrate 122 is relevant to the shape of housing 11. If housing is circular shell, only the region near substrate edges is provided with multiple LED chip；If shell When body is square casing, along the length direction of substrate, it is provided with multiple rows of LED chip, this multiple rows of LED core Sheet meets the non-distribution neatly aligned along the width of substrate.

Fig. 4 shows the arrangement schematic diagram of LED chip on the substrate according to one embodiment of this utility model. Seeing Fig. 4, two circle LED chip 42 of having arranged in the region near substrate 41 edge, at substrate 41 Arrangement LED chip 42 is not had near centre.Fig. 5 shows according to this utility model one enforcement The another kind of arrangement schematic diagram of LED chip on the substrate of example.See Fig. 5, at the length direction of substrate 51 Be distributed multiple rows of LED chip 52, but this multiple rows of LED chip 52 the width along substrate 51 point Cloth is non-neatly to align.

In this utility model, photocon 13 can be lens or light reflector.Wherein, light reflector The parts of configuration can be integrated, or be the first reflector and the second reflector including mutually assembling.Photoconduction Element 13 can be fixed in the following ways: photocon 13 may pass through the substrate 122 of light source module 12 It is fixed on housing 11；Or, photocon 13 is securable on face ring 15；Or, or, light Guiding element 13 can be positioned sandwiched fixing by the substrate 122 dough-making powder ring 15 of light source module 12.

Seeing Fig. 1, photocon 13 of the present utility model is integrated light reflector 13a of configuration, including Light reflected bottom plate 131 and light reflective side walls 132, the shape of light reflective side walls 132 is designed as arc, The light reflective side walls of arc can be better achieved the light sent to LED chip 121 and reflect, And light reflector 13a is positioned sandwiched fixing by the substrate 122 dough-making powder ring 15 of light source module 12.It addition, In a preferred embodiment of the present utility model, light reflector 13a can use the high score of high reflectance The parts of sub-material molding, or arrange in the light reflective side walls 132 of the arc of light reflector 13a There is the sprayed coating of high reflectance, so make the light that LED chip 121 sends through light reflector 13a Fully entering light ray diffusion plate 14, the light that will go into light ray diffusion plate 14 is diffused, and plays uniformly The effect of illumination.

The illuminator that this utility model provides, same by LED chip 121 and drive circuit are integrated into Mode on one piece of substrate 122 reaches slim effect.Slim illuminator in this utility model is the most permissible After realizing one-level electrolysis filtering mode, i.e. input rectifying, high-tension electricity is filtered by direct electrochemical capacitor, real Existing low-ripple voltage, then carries out DC-DC converter (a kind of electric pressure converter), wherein, the most again Secondary carrying out exports electrolysis filtering, finally realizes low output ripple and low stroboscopic.

Embodiment two

Fig. 6 a shows the longitudinal sectional view of the illuminator according to one embodiment of this utility model, Fig. 6 b Show the another kind of longitudinal sectional view of illuminator according to one embodiment of this utility model, wherein, figure 6a and Fig. 6 b is the longitudinal sectional view obtained along both direction cutting based on same illuminator, and the two is cutd open Butt to angle be 90 °.

Seeing Fig. 6 a and Fig. 6 b, this illuminator includes: housing 61, light source assembly 62, light reflector 63, light ray diffusion plate 64 and face ring 65, anti-bracing wire button 66 and jump ring parts 67.Housing 61 includes Base plate 611 and sidewall 612, the outward flange of base plate 611 is provided with chimb；Light source assembly 62 includes LED Chip 621, drive circuit (not shown in Fig. 6) and substrate 622, substrate 622 is fixed on base plate 611 On；Light reflector 63 is fixed on face ring 65, and light reflector 63 is integrated the parts of configuration, bag Include the light reflective side walls 632 of light reflected bottom plate 631 and arc；Light ray diffusion plate 64 laminating is arranged at light Line reflection device 63 is away from the side of light source assembly 62；Face ring 65 includes anchor ring 651 and along being perpendicular to anchor ring Direction extend the upstanding wall 652 formed, anchor ring 65 is arranged with light ray diffusion plate 64 laminating, upstanding wall 652 Be combined so that light source assembly 62, light reflector 63 and light ray diffusion plate with sidewall 612 buckle of housing 64 form the cavity closed, and serve the effect of fixing light ray diffusion plate 64 so that light source assembly 62, light Line reflection device 63 and light ray diffusion plate 64 are tightly bonded together；Anti-bracing wire button 66 ran through the end of through Plate 611 and substrate 622, anti-bracing wire button 66 is securable to base plate 611 or is fixed on substrate 622, also Can be simultaneously fixed on base plate 611 and substrate 622, anti-bracing wire button 66 of the present utility model is possible to prevent electricity The breakage that source line causes because external force pulls, moreover it is possible to creep age distance and the effect of electric clearance are provided, it addition, The effect of positioned light source assembly 62 is may also operate as when installing light source；Jump ring parts 67 are arranged at upstanding wall On 652, it is used for fixing illuminator in installing component.It should be noted that, the card in this utility model Spring parts 67 are for being installed on illuminator in the perforate that installation position is corresponding, such as, and opening of ceiling Jump ring parts 67 on illuminator, during installation, are disposed vertically by hole, when correspondence put into by illuminator After perforate, jump ring parts 67 return to original state.

In description mentioned herein, illustrate a large amount of detail.It is to be appreciated, however, that this reality Can put into practice in the case of there is no these details by novel embodiment.In some instances, not It is shown specifically known method, structure and technology, in order to do not obscure the understanding of this description.

It should be noted that this utility model is illustrated rather than to enter this utility model by above-described embodiment Row limits, and those skilled in the art can design without departing from the scope of the appended claims Alternative embodiment.In the claims, any reference marks that should not will be located between bracket is configured to power The restriction that profit requires.Word " comprises " and does not excludes the presence of the element or step not arranged in the claims.Position Word "a" or "an" before element does not excludes the presence of multiple such element.

So far, although those skilled in the art will appreciate that the most detailed to illustrate and describe this practicality new Multiple exemplary embodiments of type, but, in the case of without departing from this utility model spirit and scope, still Can directly determine according to this utility model disclosure or derive the many meeting this utility model principle Other variations or modifications.Therefore, scope of the present utility model is it is understood that and regard as covering all these Other variations or modifications.

Claims (12)

1. an illuminator, it is characterised in that including:

Housing, including base plate and sidewall；

Light source assembly, is fixed on the base plate of described housing；

Photocon, is arranged at described light source assembly and the side towards described shell nozzle end；

Light ray diffusion plate, laminating is arranged at the described photocon side away from described light source assembly；

Face ring, extends the upstanding wall formed, described anchor ring and institute including anchor ring with along the direction being perpendicular to anchor ring Stating light ray diffusion plate laminating to arrange, described upstanding wall is combined with the sidewall buckle of described housing so that described light source Assembly, described photocon and described light source diffusion plate form the cavity closed.

Illuminator the most according to claim 1, it is characterised in that the outward flange of described base plate is arranged Having chimb, the height of projection of described chimb is more than 1.0mm.

Illuminator the most according to claim 1 and 2, it is characterised in that described light source assembly includes LED chip, drive circuit and for integrated described LED chip and the substrate of described drive circuit, its In, described substrate is fixed on the base plate of described housing.

Illuminator the most according to claim 3, it is characterised in that when described housing is circular shell, Only the region near described substrate edges is provided with multiple LED chip.

Illuminator the most according to claim 3, it is characterised in that when described housing is square casing, Being provided with multiple rows of LED chip along the length direction of described substrate, described multiple rows of LED chip is along described base The width of plate meets the non-distribution neatly aligned.

Illuminator the most according to claim 1 and 2, it is characterised in that described photocon includes One in lens and light reflector.

Illuminator the most according to claim 6, it is characterised in that

Described photocon is fixed on described housing, or,

Described photocon is fixed on described ring, or,

Described photocon is sandwiched fixing by described light source assembly and described ring location.

Illuminator the most according to claim 6, it is characterised in that

Described light reflector is integrated the parts of configuration, including the light line reflection of light reflected bottom plate and arc Sidewall, or

Described light reflector includes the first reflector and the second reflector mutually assembled.

Illuminator the most according to claim 3, it is characterised in that described device also includes:

Anti-bracing wire button, runs through through described base plate and described substrate, and is fixed on described base plate and/or described base On plate.

10. according to the illuminator described in claim 1 or 9, it is characterised in that described device also includes:

Jump ring parts, are symmetricly set in described upstanding wall, are used for fixing described illuminator in installing component.

11. illuminators according to claim 1 and 2, it is characterised in that described housing uses gold Belong to the parts of material molding.

12. illuminators according to claim 8, it is characterised in that

Described light reflector uses the parts of the polymer material molding of high reflectance, or

Described light reflector is provided with the sprayed coating of high reflectance in the light reflective side walls of described arc.