CN106678629A

CN106678629A - Down lamp

Info

Publication number: CN106678629A
Application number: CN201611069346.2A
Authority: CN
Inventors: 潘云清
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-11-29
Filing date: 2016-11-29
Publication date: 2017-05-17

Abstract

The invention provides a down lamp. The down lamp comprises a plastic shell with a containing cavity, and a light emitting element arranged at the bottom of the containing cavity. A diffusion plate covering the position above the light emitting element and connected with the shell in a sealing manner is detachably arranged in the containing cavity, and the peripheral face of the shell is tightly wrapped by an aluminum protection layer.

Description

A kind of Down lamp

Technical field

The invention belongs to lighting technical field, is related to a kind of Down lamp.

Background technology

Down lamp is a kind of lighting for being embedded into light down-ejection type in ceiling, and its maximum feature exactly can keep building The entirety for building decoration is unified and perfect, and the perfect unity of furred ceiling art will not be destroyed because of the setting of light fixture.Down lamp is prevented take up Space, can increase the soft atmosphere in space, if it is desired to building warm sensation, can try to install many Down lamps, mitigate space pressure Compel sense.Typically use in hotel, family, coffee shop more.

In prior art, most of cylinder lamp structure designs are simultaneously unreasonable, and the Down lamp after finished product is second-rate, during use Safety is relatively low and radiating effect is undesirable so that bulb inside easily burns out and surrounding is damaged.

In sum, it is to solve the deficiency on existing cylinder lamp structure, needs to design a kind of excellent in heat dissipation effect, safe and reliable Down lamp.

The content of the invention

The purpose of the present invention is there are the problems referred to above for existing technology, it is proposed that a kind of excellent in heat dissipation effect, safety can The Down lamp for leaning on.

The purpose of the present invention can be realized by following technical proposal：A kind of Down lamp, including the plastic housing with containing cavity Body, installed in the light-emitting component of containing cavity bottom, be detachably provided with accommodating intracavity and be located above light-emitting component and and shell The diffuser plate that body is tightly connected, the outer peripheral face of the housing is closely coated with aluminum protective layer.

As a further improvement on the present invention, containing cavity interior sealing reflector is installed and light-emitting component be located in it is reflective Bowl bottom middle part, the reflector is located at diffuser plate lower section and is tightly connected with diffuser plate, and the light-emitting component is by pressing plate It is compressed on the COB integrated optical sources of containing cavity bottom, the transparent setting of the diffuser plate.

As a further improvement on the present invention, containing cavity interior sealing reflector is installed and light-emitting component be located in it is reflective Bowl bottom middle part, the reflector is located at diffuser plate lower section and is tightly connected with diffuser plate, and the light-emitting component is with surface The LED integrated optical sources of Mount Device, the transparent setting of the diffuser plate.

As a further improvement on the present invention, the light-emitting component is paster lamp bead, and the diffuser plate is milky diffusion Plate, is sealed and coated with the reflective sheeting corresponding with light-emitting component in inner walls.

Used as the further improvement of the present invention, reflector inner side is around being provided be engaged with light-emitting component some The surface area of reflexed light ring, the reflexed light ring close-packed arrays and reflexed light ring from top to bottom successively decreases, and the light-emitting component is located in minimum The reflexed light ring middle part of surface area.

Used as the further improvement of the present invention, the reflexed light ring is made up of end to end some reflective convex surfaces, each The reflective convex surface quantity of reflexed light ring is equal, and the surface area of adjacent two reflective convex surface close-packed arrays and reflective convex surface is from top to bottom passed Subtract.

As another improvement of the present invention, the pressure having for diffuser plate to be compressed on accommodating intracavity is also fixed on housing Ring, the pressure ring is hermetically connected with the shell.

As a further improvement on the present invention, lower cavity volume and the upper cavity volume above lower cavity volume are offered on housing, The lower cavity volume is connected with upper cavity volume and constitutes above-mentioned containing cavity, and the lower cavity volume and upper cavity volume set in inverted truncated cone-shaped Put, the diameter with diameter greater than upper cavity volume lower surface of the upper cavity volume upper surface, the upper cavity volume lower surface and lower cavity volume upper end Face overlaps, and the light-emitting component is arranged on lower cavity volume bottom, and the reflector is arranged in lower cavity volume, the pressure ring and upper cavity volume Closely connect and diffuser plate is compressed in upper cavity volume, the diffuser plate lower surface contacts with lower cavity volume.

Based on above-mentioned technical proposal, the embodiment of the present invention can at least produce following technique effect：Housing uses one Body formula structure, is not divided into lamp housing and lampshade, and integral structure layout is compact；And housing made by plastics coordinates the aluminum of fine aluminium to protect Sheath, one side aluminum protective layer serves extraneous and housing the effect of isolation so that Down lamp is safe and reliable, the opposing party's dough model The material of material and aluminum selects the heat-sinking capability for greatly improving housing so that the heat loss through radiation ability of housing strengthens, can not only be fast The heat of the generation that light-emitting component in housing is lighted of speed is transmitted to the outer surface of housing, moreover it is possible to rapidly the heat of surface of shell Amount is dispersed in air, and radiating effect is obvious.

Description of the drawings

The specific embodiment of the present invention is described in further detail below in conjunction with the accompanying drawings, wherein：

Fig. 1 is the structural representation of a preferred embodiment of the present invention.

Fig. 2 is the explosive view of a preferred embodiment of the present invention.

Fig. 3 is the structural representation at another visual angles of Fig. 2.

Fig. 4 is the structural representation of housing in a preferred embodiment of the present invention.

Fig. 5 is the structural representation of reflector in a preferred embodiment of the present invention.

Fig. 6 is the structural representation at another visual angle of reflector shown in Fig. 5.

In figure, 10, housing；11st, containing cavity；111st, lower cavity volume；112nd, upper cavity volume；20th, light-emitting component；30th, diffuser plate； 40th, reflector；41st, reflexed light ring；411st, reflective convex surface；50th, pressing plate；60th, pressure ring.

Specific embodiment

The following is the specific embodiment of the present invention and combine accompanying drawing, technical scheme is further described, But the present invention is not limited to these embodiments.

Lighting used in daily life includes shot-light and Down lamp, and shot-light is a kind of light fixture of height optically focused, it Light irradiation be have may specify specific objective, shot-light is mainly used in special illumination, such as emphasize certain it is very flavoursome or Person is that have very much where new meaning.And Down lamp is a kind of light fixture of light fixture relative to common bright dress with more light-gathering, usually For general lighting or floor light.A kind of Down lamp of present invention protection, it is adaptable to general lighting or floor light.

Existing most of cylinder lamp structure designs are unreasonable, and the Down lamp after finished product is second-rate, safety during use It is relatively low and radiating effect is undesirable so that bulb inside easily burns out and surrounding is damaged.Therefore, it is related to a kind of ratio More rational Down lamp is necessary.

As shown in Figures 1 to 4, this Down lamp include the plastic casing 10 with containing cavity 11, installed in the bottom of containing cavity 11 Light-emitting component 20, be detachably provided with containing cavity 11 and be located at light-emitting component 20 top and be tightly connected with housing 10 Diffuser plate 30, the outer peripheral face of housing 10 is closely coated with aluminum protective layer.

In the present invention, housing 10 has containing cavity 11 and containing cavity 11 is typically equipped with opening, above-mentioned diffuser plate 30 Arrange preferably adjacent to the opening of containing cavity 11, light-emitting component 20 is first filled during installation, then seal installation diffuser plate 30, each part is installed It is all very convenient with dismantling；Aluminum protective layer is coated with housing 10, the aluminum protective layer is made up of pure aluminum material, structure is slim and graceful and can Plasticity is strong.

In the market the housing 10 of most of Down lamps is made up of lamp housing and lampshade, installs comparatively laborious being also easy to Lou Light；And untouchable, untouchable Down lamp low price is coated outside lamp housing, but be not durable, life-time service gets off to get rusty easily, corruption Erosion, affects light fixture normally to use and outward appearance.

In an initial condition, housing 10 uses integral structure to this Down lamp, is not divided into lamp housing and lampshade, overall Topology layout is compact；And housing 10 made by plastics coordinates the aluminum protective layer of fine aluminium, it is outer that one side aluminum protective layer serves isolation Boundary and the effect of housing 10 so that Down lamp is safe and reliable, the material of another aspect plastics and aluminum selects to greatly improve shell The heat-sinking capability of body 10 so that the heat loss through radiation ability of housing 10 strengthens, can not only quickly light-emitting component 20 in housing 10 The luminous heat for producing is transmitted to the outer surface of housing 10, moreover it is possible to rapidly the heat on the surface of housing 10 is dispersed in air, Radiating effect is obvious.

This cylinder lamp structure is compact and luminous flux is high, and light fixture is made of the Down lamp, installs easily and occupancy occupies a narrow space, overall cylinder Lamp is handsome in appearance, generous, durable in use, is generally had no problem with more than 5 years.

Further, reflector 40 is installed in the interior sealing of containing cavity 11 and light-emitting component 20 is located in the bottom surface of reflector 40 Middle part, reflector 40 is located at the lower section of diffuser plate 30 and is tightly connected with diffuser plate 30.In the present case, above-mentioned reflector 40 answers face Arrange towards the opening of containing cavity 11, reflector 40, diffuser plate 30, the three of housing 10 are tightly connected.When Down lamp is started working, light unit The light that part 20 sends is reflected by reflector 40 and converged on the face of diffuser plate 30, is concurrently dissipated to so as to form light beam convergence Surrounding.

It is preferred that the material of the diffuser plate 30 in this case is PC plastics and to be set to disc, such diffuser plate 30 and reflector 40 coordinate even closer so that with the sealing of reflector 40 more preferably, diffuser plate 30 is consolidated with housing 10 for the lower surface of diffuser plate 30 It is fixed firm and can avoid light leak, can avoid during Down lamp installation process either use due to vibrated or hit Hit and so that diffuser plate 30 comes off.

Light-emitting component 20 is the COB integrated optical sources that the bottom of containing cavity 11 is compressed on by pressing plate 50, and diffuser plate 30 is transparent Arrange.COB integrated optical sources are exactly conductive by bare chip or non-conductive adhesive is sticked on interconnection substrates, then carry out wire bonding Realize its electrical connection.COB integrated optical sources have can freely arrange in pairs or groups and combine, easy to assembly, reliability is high, without dead lamp, without speckle, Luminous uniform, soft light, free from glare, the features such as eyes, color rendering index height, high, safe and reliable light efficiency, environmental protection is not hindered.

Using COB integrated optical sources, reflector 40, transparent diffuser plate 30 assembled scheme so that overall Down lamp have illumination The features such as effect is good, class is high-end.

Above-mentioned pressing plate 50 is by COB integrated optical sources compacting (withholding) in the bottom of containing cavity 11, preferred pressing plate 50 and reflector 40 It is tightly connected, reflector 40 can be made to contact with pressing plate 50, it is to avoid the formation in gap, when COB integrated optical sources are luminous, it can be complete Portion is irradiated in reflector 40, and Jing reflectors 40 are projected, and so as to reduce light loss, improve amount of light.

After pressing plate 50 is withheld in COB integrated optical sources, COB integrated optical sources can be quickly fixed so as to fixed, moreover it is possible to Protection stannum point, effectively prevents the appearance of short circuit phenomenon.In addition, the requirement in order to install and going out light, different COB integrated optical sources Can be good with same pressing plate 50, the interchangeability of light-emitting component 20.

Additionally, additionally providing the embodiment of other two kinds of light-emitting components 20 in this case：The reality of one of which light-emitting component 20 Apply example to be described below：Reflector 40 is installed in the interior sealing of containing cavity 11 and light-emitting component 20 is located in the bottom surface of reflector 40 Portion, reflector 40 is located at the lower section of diffuser plate 30 and is tightly connected with diffuser plate 30, and light-emitting component 20 is with surface mount device LED integrated optical sources, the transparent setting of diffuser plate 30.

Above-mentioned LED integrated optical sources use the LED light source structure of similar COB integrated optical sources, but are not real COB Integrated optical source (i.e. the integrated area source of high power), it is the imitative COB light source with surface mount device (i.e. SMD diffusion shells).Send out Optical element 20 adopts LED integrated optical sources, and corresponding diffuser plate 30 is also configured as into transparent diffuser plate 30, LED integrated optical sources ratio The light that common bulb sends is apparent bright, good illumination effect, reliability and safety that Down lamp works.

In addition, LED integrated optical sources compare common illuminating source so that the volume of light-emitting component 20 can be less, enhances Its installation effect, with energy-saving and environmental protection, shock resistance be good, the low advantage of maintenance cost, while also extending making for light-emitting component 20 Use the life-span.

Using LED integrated optical sources, reflector 40, transparent diffuser plate 30 assembled scheme so that overall Down lamp have illumination Work well, low production cost, high-end class the features such as.

Here, it is worth mentioning at this point that：The housing 10 of the plastics bag fine aluminium structure adopted in this case has preferably comprehensive Can, especially with higher intensity and preferable corrosion resistance, and perfect heat-dissipating, it is integrated with COB integrated optical sources, LED Light source cooperates, and can extend the service life of Down lamp and light-emitting component 20.

The embodiment of another light-emitting component 20 is described below：Light-emitting component 20 selects to be paster lamp bead, corresponding, expands 30 selections of falling apart are milky diffuser plate 30, are sealed and coated with the inwall of housing 10 corresponding with light-emitting component 20 reflective Paper.It is preferred that reflective sheeting along the neighboring of diffuser plate 30 lay, the light that paster lamp bead is sent through reflective sheeting refraction and reflect The light Jing milkys diffuser plate 30 for coming smoothly all light-outputs to reach the illuminating effect of high brightness, and also can have There is the effect of anti-dazzle.Additionally, reflective sheeting is in addition to the reflecting effect that can strengthen light, can also cause the light that Down lamp sends more equal Even, softness, it is to avoid dark space occur, and cost is cheaper compared with reflector.

Paster lamp bead is the LED of SMD, is exactly the meaning of surface labeling LED, and paster lamp bead is a kind of solid-state Semiconductor device, it directly can be converted into light electricity, contribute to production efficiency and improve and different facility applications.

After using paster lamp bead as light-emitting component 20, the reflector 40 in the embodiment of above two light-emitting component 20 is Can save, further save production cost, and cooperate with milky diffuser plate 30, and then cause the illumination of paster lamp bead Effect is preferable.The material of the diffuser plate 30 in three kinds of embodiments is both preferably PC plastics, and simply the PC in first two embodiment expands Fall apart and 30 be set to transparent color, the PC diffuser plates 30 in the third embodiment are set to milky.

Using paster lamp bead and the assembled scheme of milky diffuser plate 30 so that overall Down lamp have illuminating effect it is good, The advantages of cost performance is high.

With reference to shown in Fig. 5 and Fig. 6, it is preferable that the inner side of reflector 40 surround and is provided with multiple with what light-emitting component 20 was engaged The surface area of reflexed light ring 41, the close-packed arrays of reflexed light ring 41 and reflexed light ring 41 from top to bottom successively decreases, and light-emitting component 20 is located in minimum The middle part of reflexed light ring 41 of surface area.

I other words, reflexed light ring 41 closely and is covered with the inside of reflector 40 two-by-two so that the luminous energy of light-emitting component 20 Fully reflect away.

It is further preferred that reflexed light ring 41 is made up of end to end multiple reflective convex surfaces 411, adjacent two reflective convex surface The surface area of 411 close-packed arrays and reflective convex surface 411 from top to bottom successively decreases.And the reflective convex surface of each reflexed light ring 41 is set 411 quantity are equal so that reflector 40 processes convenient, and the refractive direction of light is stablized, and lifts illuminating effect.

The position of reflective convex surface 411 arranges uniform, and the light that light-emitting component 20 sends constantly is reflected by reflective convex surface 411 Go, the light for so sending is not dazzling.Each reflexed light ring 41 (each layer of reflective convex surface 411) quantity is equal, but area not phase Together, reasonable in design, using the difference of light focusing so that far and near distance can be illuminated well, illuminating effect is preferable.

Certainly, other constituted using the scheme of reflective convex surface 411 by the way of the reflective surface of reflector 40 be also it is feasible, Repeat no more herein.

The pressure ring 60 having for being compressed on diffuser plate 30 in containing cavity 11, pressure ring 60 and housing are also fixed on the housing 10 10 are tightly connected.Pressing structure is employed many times in the present case so that each parts can be installed on the housing 10 more consolidation, be made Obtain overall Down lamp fixed, it is ensured that the stability and reliability of work.And the setting of pressure ring 60 also allows for diffuser plate 30 Replacing and installation.

Preferably, lower cavity volume 111 and the upper cavity volume 112 positioned at the top of lower cavity volume 111, lower cavity volume are offered on the housing 10 111 are connected with upper cavity volume 112 and constitute above-mentioned containing cavity 11, and lower cavity volume 111 and upper cavity volume 112 set in inverted truncated cone-shaped Put, the diameter with diameter greater than the lower surface of upper cavity volume 112 of the upper surface of upper cavity volume 112, the lower surface of upper cavity volume 112 and lower cavity volume 111 Upper surface overlaps.Arranged using the containing cavity 11 that opening is big, inner chamber is little, compact conformation, be easy to the frock of internal each parts, Also so that the luminous energy of light-emitting component 20 reflects well the external world.

Light-emitting component 20 is arranged on the bottom of lower cavity volume 111, and reflector 40 is arranged in lower cavity volume 111, pressure ring 60 and upper appearance Chamber 112 closely connects and diffuser plate 30 is compressed in upper cavity volume 112, and the lower surface of diffuser plate 30 contacts with lower cavity volume 111.This The structure design of sample ensure that well the sealing between each parts so that each parts is completely embedded so that cylinder Lamp is difficult light leak, it is ensured that luminous efficiency and illumination effect, it also avoid the impurity such as extraneous steam interior further into containing cavity 11 Part is caused to corrode.

Specific embodiment described herein is only explanation for example spiritual to the present invention.Technology neck belonging to of the invention The technical staff in domain can be made various modifications to described specific embodiment or supplement or replaced using similar mode Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.

Claims

1. a kind of Down lamp, it is characterised in that：Including the plastic casing with containing cavity, installed in the luminous unit of containing cavity bottom Part, the diffuser plate for being located above light-emitting component and being hermetically connected with the shell, the housing are detachably provided with accommodating intracavity Outer peripheral face be closely coated with aluminum protective layer.

2. a kind of Down lamp according to claim 1, it is characterised in that：Reflector is installed in containing cavity interior sealing and is lighted Element is located in reflective bowl bottom middle part, and the reflector is located at diffuser plate lower section and is tightly connected with diffuser plate, described luminous Element is the COB integrated optical sources that containing cavity bottom is compressed on by pressing plate, the transparent setting of the diffuser plate.

3. a kind of Down lamp according to claim 1, it is characterised in that：Reflector is installed in containing cavity interior sealing and is lighted Element is located in reflective bowl bottom middle part, and the reflector is located at diffuser plate lower section and is tightly connected with diffuser plate, described luminous Element is the LED integrated optical sources with surface mount device, the transparent setting of the diffuser plate.

4. a kind of Down lamp according to claim 1, it is characterised in that：The light-emitting component be paster lamp bead, the diffusion Plate is milky diffuser plate, and the reflective sheeting corresponding with light-emitting component is sealed and coated with inner walls.

5. a kind of Down lamp according to Claims 2 or 3, it is characterised in that：The reflector inner side surround and is provided with and lights The surface area of some reflexed light rings that element is engaged, the reflexed light ring close-packed arrays and reflexed light ring from top to bottom successively decreases, described Optical element is located in the reflexed light ring middle part of minimal surface area.

6. a kind of Down lamp according to claim 5, it is characterised in that：The reflexed light ring is by end to end some reflective convex Face is constituted, and the reflective convex surface quantity of each reflexed light ring is equal, the surface of adjacent two reflective convex surface close-packed arrays and reflective convex surface Product is from top to bottom successively decreased.

7. a kind of Down lamp according to claim 6, it is characterised in that：Also fixing on housing has for diffuser plate to be suppressed In the pressure ring of accommodating intracavity, the pressure ring is hermetically connected with the shell.

8. a kind of Down lamp according to claim 7, it is characterised in that：Lower cavity volume is offered on housing and positioned at lower cavity volume The upper cavity volume of top, the lower cavity volume is connected with upper cavity volume and constitutes above-mentioned containing cavity, and the lower cavity volume and upper cavity volume are in The truncated cone-shaped put is arranged, the diameter with diameter greater than upper cavity volume lower surface of the upper cavity volume upper surface, the upper cavity volume lower surface Overlap with lower cavity volume upper surface, the light-emitting component is arranged on lower cavity volume bottom, and the reflector is arranged in lower cavity volume, described Pressure ring is closely connected with upper cavity volume and diffuser plate is compressed in upper cavity volume, and the diffuser plate lower surface contacts with lower cavity volume.