CN2673988Y

CN2673988Y - Luminous brick

Info

Publication number: CN2673988Y
Application number: CN 200320118784
Authority: CN
Inventors: 张延年
Original assignee: SONGGANG TUOSHI PRODUCTS FACTORY BAOAN DISTRICT SHENZHEN CITY
Current assignee: SONGGANG TUOSHI PRODUCTS FACTORY BAOAN DISTRICT SHENZHEN CITY
Priority date: 2003-11-28
Filing date: 2003-11-28
Publication date: 2005-01-26
Anticipated expiration: 2013-11-28

Abstract

The utility model relates to a luminous brick (or a buried lamp). The utility model solves the problem that the ray of the existing LED luminous brick isn't homogeneous and soft enough. A light conducting plate is arranged in the casing of the luminous brick. A luminous device is arranged at the lateral face of the light conducting plate. The light conducting plate can convert the point light source or linear light source generated by the luminous device to area light source which is irradiated homogeneously by the transparent face of the casing, wherein, the light conducting plate comprises a transparent plate. The bottom face of the transparent plate is provided with a first reflecting layer and each lateral face of the transparent plate is also provided with second reflecting layers. The luminous device can be one LED or a plurality of LEDs. Each LED is homogeneously inlaid in one lateral face of the transparent plate, or is homogeneously inlaid in a pair of relative lateral faces of the transparent plate, or is homogeneously inlaid in all the lateral faces of the transparent plate. The luminous brick has low power consumption, long lifetime and high security. The light generated by the luminous device is very homogeneous. People can not feel glaring.

Description

A kind of luminous brick

Technical field

The utility model relates to luminous brick, more particularly, relates to a kind of luminous brick that plays decoration function in ground or the body of wall that is contained in.

Background technology

Luminous brick of the present utility model also can be described as light-emitting floor tile or is called underground lamp.Normally it is designed to the lamp decoration of fragment of brick form, then it is imbedded by square, the road or in the meadow, garden during use and play decorative effect, or play decorative effect in the body of wall of packing into.

Common underground lamp be in its housing installing metal halide lamp or fluorescent lamp as light source.The general power consumption of this underground lamp is big, heating is big and lamp tube service life is short; Because its operating voltage is higher, so safety requirements is also than higher; In addition, this underground lamp photochromic soft inadequately can feel dazzling during the human eye direct-view, even produce dazzle that appreciation effect is relatively poor.

For overcoming above-mentioned defective, also have at present and adopt LED (light emitting diode) in some underground lamps as light source.For example Chinese patent ' LED underground lamp ' (patent No.: ZL02225865.5), disclose a kind of with the underground lamp of LED as light source, advantage such as that this underground lamp has is low in energy consumption, life-span length, safety height.Because the light that LED is a kind of spot light and LED to be sent directly penetrates, though can make light soft by adding ' diffuse transmission layer ', its actual effect be unsatisfactory, and the light of ejaculation is still even inadequately.

The utility model content

At the above-mentioned defective of prior art, the ejaculation light that the utility model will solve the existing luminous brick of LED is even soft problem inadequately, provide a kind of low in energy consumption, the life-span long and photochromic very even soft luminous brick.

The technical scheme that its technical problem that solves the utility model adopts is: construct a kind of luminous brick, comprise a housing, the wherein one side of described housing is a transparent surface, luminescent device is housed in housing, wherein, a LGP that spot light that luminescent device sent or line source can be converted to area source also is housed in described housing, and described luminescent device is contained in the side of described LGP, and its light that sends is converted to area source by LGP and is evenly penetrated by the transparent surface of described housing.

In luminous brick of the present utility model, comprise a transparent panel in the described LGP, the upper surface of described transparent panel is provided with first reflector layer in the face of the transparent surface of described housing in the bottom surface of transparent panel, is provided with second reflector layer in each side of transparent panel.

Wherein, described first reflector layer can be ganoid reflective material layer, for example reflective sheeting; The bottom surface of described transparent panel is a shiny surface, also is printed with a plurality of tiny reflective spots on described smooth bottom surface.The distribution rule of reflective spot is: the closer to the place of luminescent device, reflective spot is more little and adjacent spaces is big more on described smooth bottom surface; Away from the place of luminescent device, reflective spot is big more and adjacent spaces is more little more

In addition, also can establish in the bottom surface of described transparent panel a plurality of to the recessed little rib pit of upper surface one side, this slightly the rib pit can be shaped by integrated through injection molding, each little rib pit is rectangular pyramid structure or truncated rectangular pyramids structure; This moment, described first reflector layer was the reflecting coating that is coated in described transparent panel bottom surface with little rib pit, need not print reflective spot in the transparent panel bottom surface.

In the utility model, described luminescent device adopts one or more LED usually.Described each LED evenly is embedded in one of them side of described transparent panel, or evenly is embedded in the relative a pair of side of described transparent panel, or evenly is embedded in all sides of described transparent panel.Described each LED is in series or in parallel with each other, and is drawn out to hull outside by conductor wire, and the exit of described conductor wire is provided with a power connector, or is provided with two power connectors parallel with one another.

In the utility model, further evenly penetrate, also the diffusion layer that light source is had even diffusion can be set at the upper surface of described transparent panel for making light.The perhaps a plurality of transparent microprism that is shaped in the upper surface setting of described transparent panel and transparent panel integrated through injection molding, each microprism is rectangular pyramid structure or truncated rectangular pyramids structure.

Adopted LED as light emitting source in the utility model, and used LGP that the LED spot light is converted to area source, it is more even soft to use the light that sends, and can increase its brightness by the number that increases LED.Advantages such as that this luminous brick not only has is low in energy consumption, life-span length, safety height, and its light that sends is very even, will never allow the people feel dazzling or dazzle.

Description of drawings

The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:

Fig. 1 is the sectional view of the luminous brick in the utility model preferred embodiment one;

Fig. 2 is the vertical view of luminous brick shown in Fig. 1;

Fig. 3 is the schematic diagrames of two luminous bricks shown in Figure 1 when side-by-side;

Fig. 4 is the enlarged diagram of LGP shown in Fig. 1;

Fig. 5 is that LGP shown in Fig. 4 removes the vertical view of its diffusion during paper;

Fig. 6 is the enlarged diagram of transparent panel among the utility model embodiment two;

Fig. 7 is the cutaway view Amplified image that has the transparent panel of a plurality of rectangular pyramid shape pits among the utility model embodiment three;

Fig. 8 is the transparent panel bottom surface that has an a plurality of truncated rectangular pyramids shape pits enlarged diagram when upwards placing.

The specific embodiment

Embodiment one

To shown in Figure 5, as can be seen from Figure 2, the effect of overlooking of the housing 1 of this luminous brick is a square structure to preferred embodiment of the present utility model just like Fig. 1, certainly, can also be designed to rectangle, and regular hexagon or other are suitable for imbedding the shape in ground or the body of wall.The upper surface of housing 1 is a transparent surface, and useable glass, plastics or other transparent material are made.Housing bottom is a seal cover 2, is used to play the water-tight effect.

As can be seen, the LGP that six LED5 evenly are housed abuts against the transparent surface inboard of housing from Fig. 4, Fig. 5.The main body of LGP is a transparent panel 4, transparent panel 4 can be made with organic glass, its upper surface is in the face of the transparent surface of housing, also post reflective sheeting 6 in the bottom surface of transparent panel 4 (soffit), reflective sheeting 7 is also posted in each side at transparent panel, and the light that these reflective sheetings make LED send can only be penetrated by the upper surface of transparent panel 4 and can not penetrate from other direction.Certainly, also availablely be coated with reflecting coating or alternate manner replaces

reflective sheeting

6,7.

As can be seen from Figure 5, be printed with a plurality of tiny reflective spots in the bottom surface of transparent panel 4, the distribution rule of these reflective spot is: the closer to the local reflective spot of LED is more little and adjacent spaces is big more, big more and adjacent spaces is more little away from the local reflective spot of LED more, the purpose of Yin Zhiing is to guarantee the light that each LED sent is evenly reflected like this, its principle and effect are that ZL99225601.1, ZL99214211.3 and application number are all to have openly in 02120619.8 the Chinese patent in the patent No., no longer describe in detail herein.

In Fig. 5, each LED evenly is embedded in the left surface of transparent panel.During concrete enforcement, also each LED evenly can be embedded in the relative a pair of side of transparent panel, for example be located at simultaneously in the left and right side, this moment reflective spot distribution rule will to become the left and right sides thin and rare, past more centre is then more thick and close.In addition, each LED evenly can also be embedded in all sides of transparent panel, this moment reflective spot distribution rule will to become each limit thin and rare, past more centre is then more thick and close.In a word, the distribution of reflective spot will guarantee that the light that each LED is sent reflects uniformly.

As can be seen from Figure 4, also post the diffusion paper 8 that light source is had even diffusion at the upper surface of transparent panel 4, it can further atomize to the light that penetrates, and forms more uniform fill light.

As can be seen, in the utility model, each LED is parallel with one another, is drawn out to hull outside by conductor wire 3 again from Fig. 1, Fig. 3, is provided with two attaching plugs parallel with one another at the exit of conductor wire.When same adjacent the arranging of luminous brick of polylith, can realize being connected in parallel with the power line that two ends all have supply hub by mode shown in Figure 3, very easy to use.

Embodiment two

On the basis of embodiment one, the mode of available microprism is come the diffusion paper 8 in the alternate figures 4, (does not draw LED among the figure) as shown in Figure 6, is provided with a plurality of microprisms 41 integrally formed with transparent panel on the upper surface (being the light outgoing plane) of transparent panel.These microprisms are to be raised up by transparent panel self to form, and common available injection moulding mode and transparent panel are integrally formed, and each microprism among the figure is the transparent truncated rectangular pyramids structure from the transparent panel protrusion of surface, also can be made as the rectangular pyramid structure.Because these microprisms can play the effect that light is evenly penetrated, so can not establish diffusion paper this moment, all the other structures are then identical with embodiment one.About the operating principle and the effect of the LGP of microprism mode, be existing open in the Chinese patent of ZL02249988.1 in the patent No., no longer describe in detail herein.

Embodiment three

For the transparent panel 4 among embodiment one and the embodiment two, can be provided with a plurality of in its bottom surface to the recessed little rib pit of upper surface one side, shown in Fig. 7 and Fig. 8 (not drawing LED among Fig. 8), rib pit is inwardly recessed by transparent panel self slightly for this, and common available injection moulding mode and transparent panel are integrally formed; In Fig. 7, each pit 42 is inside recessed rectangular pyramid pit from the transparent panel bottom surface; Among Fig. 8, each pit 43 is inside recessed truncated rectangular pyramids pit from the transparent panel bottom surface.On this basis, reflecting coating on the transparent panel coated on bottom side of little rib pit again since this slightly the rib pit can play evenly reflective effect, therefore do not need to print reflective spot in the bottom surface of transparent panel again, need not paste reflective sheeting in the bottom surface yet.

The utility model is not limited to above-mentioned specific embodiment, and for example LED wherein also can change three primary colors (RGB) or other light emitting diode into, in conjunction with correspondent control circuits the color of luminous brick is alternately changed again, reaches better decorative effect.

Claims

1, a kind of luminous brick, comprise a housing, the wherein one side of described housing is a transparent surface, luminescent device is housed in housing, it is characterized in that, a LGP that spot light that luminescent device sent or line source can be converted to area source also is housed in described housing, and described luminescent device is contained in the side of described LGP, and its light that sends is converted to area source by LGP and is evenly penetrated by the transparent surface of described housing.

2, luminous brick according to claim 1, it is characterized in that, comprise a transparent panel in the described LGP, the upper surface of described transparent panel is in the face of the transparent surface of described housing, be provided with first reflector layer in the bottom surface of transparent panel, be provided with second reflector layer in each side of transparent panel.

3, luminous brick according to claim 2 is characterized in that, described first reflector layer is ganoid reflective material layer; The bottom surface of described transparent panel is a shiny surface, also is printed with a plurality of tiny reflective spots on described smooth bottom surface.

4, luminous brick according to claim 3 is characterized in that, the closer to the place of luminescent device, reflective spot is more little and adjacent spaces is big more on described smooth bottom surface; Away from the place of luminescent device, reflective spot is big more and adjacent spaces is more little more.

5, luminous brick according to claim 2 is characterized in that, is provided with a plurality ofly to the recessed little rib pit of upper surface one side in the bottom surface of described transparent panel, and each little rib pit is rectangular pyramid structure or truncated rectangular pyramids structure; Described first reflector layer is the reflecting coating that is coated in described transparent panel bottom surface with little rib pit.

6, according to each described luminous brick among the claim 1-5, it is characterized in that described luminescent device is one or more light emitting diodes; Described each light emitting diode evenly is embedded in one of them side of described transparent panel, or evenly is embedded in the relative a pair of side of described transparent panel, or evenly is embedded in all sides of described transparent panel.

7, according to each described luminous brick among the claim 1-5, it is characterized in that, also be provided with the diffusion layer that light source is had even diffusion at the upper surface of described transparent panel.

8, according to each described luminous brick among the claim 1-5, it is characterized in that, also be provided with a plurality of transparent microprism integrally formed with transparent panel at the upper surface of described transparent panel.

9, luminous brick according to claim 8 is characterized in that, each described transparent microprism is rectangular pyramid structure or the truncated rectangular pyramids structure from transparent panel upper surface projection.

10, luminous brick according to claim 6, it is characterized in that described each light emitting diode is in series or in parallel with each other, and be drawn out to hull outside by conductor wire, the exit of described conductor wire is provided with a power connector, or is provided with two power connectors parallel with one another.