CN222963901U - Side-lighting fireproof down lamp - Google Patents

Abstract

The utility model discloses a side-emitting fireproof downlight, which overcomes the problems of poor fireproof performance, poor protection level and uneven light source distribution of downlights in the prior art, and comprises: a face ring, a light bar is arranged on the inner wall of the face ring, a light expansion structure is installed on the light bar, a fireproof expansion foam is arranged on the light expansion structure, a fireproof back plate is arranged on the fireproof expansion foam, a dimming structure is arranged on the outer side of the fireproof back plate, and the dimming structure is connected to the light bar. It can block the front fire source from passing through to the rear, so that the whole downlight can achieve the fireproof effect, the light source is evenly distributed, and an ultra-thin design scheme is adopted to save more space for installation; the color temperature and power of the light bar can be adjusted to meet the various usage requirements of customers.

Description

Side-lighting fireproof down lamp

Technical Field

The utility model relates to the technical field of lighting lamps, in particular to a side-emitting fireproof down lamp.

Background

The down lamp is a lighting lamp with a screw lamp holder, which can be directly provided with an incandescent lamp or an energy-saving lamp and then embedded into a ceiling to emit light downwards. The concealed lamp embedded in the ceiling projects all light downwards and belongs to direct light distribution. At present, people usually select a down lamp as lighting equipment in daily decoration, and the down lamp has the advantages of simplicity in installation, attractive appearance, good overall coordination and the like.

However, the existing down lamp has single function, and the problems of poor fireproof performance, poor protection level, uneven light source distribution and the like are often caused, so that inconvenience is brought to life of people, and therefore, the design of the fireproof down lamp with high protection level is imperative to meet the demands of users.

Disclosure of Invention

The utility model aims to solve the problems of poor fireproof performance, poor protection level and uneven light source distribution of the down lamp in the prior art, and provides the side-lighting fireproof down lamp which can prevent a front fire source from being communicated to the rear part, so that the whole down lamp achieves a fireproof effect, the light source is uniformly distributed, an ultrathin design scheme is adopted, more space is saved for installation, the color temperature and the power of a light bar can be regulated, and various use requirements of customers are met.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

A side-emitting fireproof down lamp comprises a face ring, wherein a lamp strip is arranged on the inner wall of the face ring, a light expansion structure is arranged on the lamp strip, fireproof expansion foam is arranged on the light expansion structure, a fireproof back plate is arranged on the fireproof expansion foam, a dimming structure is arranged on the outer side of the fireproof back plate, and the dimming structure is connected with the lamp strip.

The face ring is fixed with the fireproof backboard through the fixing screws, and meanwhile, fireproof expansion foam is installed in the fireproof backboard, so that the fireproof effect of the whole down lamp is improved. The fireproof backboard also provides a final barrier for the fire prevention of the whole down lamp, and can block the front fire source from being communicated to the rear part, so that the whole down lamp achieves the fireproof effect. The external drive of down lamp adopts ultra-thin design scheme, saves more space for the installation. And meanwhile, the dimming structure is arranged, so that the color temperature and the power of the lamp strip can be adjusted, and various use requirements of customers are met. The light-expanding structure is arranged to adjust the light emitted by the light bar, so that the uniformity of the light is ensured.

Preferably, a waterproof groove is arranged on the surface ring, and a waterproof silica gel ring is arranged on the waterproof groove.

The surface ring is provided with a fixing groove for fixing and placing the waterproof silica gel ring, so that the front surface of the whole lamp can reach the IP65 waterproof grade.

Preferably, the dimming structure comprises a color matching dial box, wherein the color matching dial box is connected with a driving box, and a dial switch is arranged on the driving box.

The color mixing dial box is arranged, so that a customer can adjust the color temperature.

Preferably, the dimming structure comprises a power line, wherein the power line is fixed on the fireproof backboard through a line card, and the power line is connected with the color matching dial box.

Preferably, the light-diffusing structure comprises a diffusing plate mounted on the light bar, a light guide plate is mounted on the diffusing plate, and reflecting paper is mounted on the light guide plate.

Preferably, the device further comprises mounting springs, wherein the mounting springs are symmetrically mounted on the face ring.

Preferably, the color matching dial box is connected with the driving box through a DC male end and a DC female end.

Preferably, the diffusion plate is made of V0 flame-retardant PC material.

Preferably, the light bar is adhered to the inner wall of the face ring through heat-conducting glue.

Therefore, the utility model has the following beneficial effects:

1. The light bar is adhered to the inner wall of the surface ring through the heat conducting adhesive tape, the diffusion plate, the light guide plate, the reflecting paper and foam are sequentially placed, wherein the diffusion plate is made of V0 flame-retardant PC material, the foam material is fireproof expansion foam, the light bar is used for providing assistance for fire prevention of the whole light, the back plate is fixed on the surface ring through screws, the back plate is made of iron, and a final barrier is provided for fire prevention of the whole light.

2. Be equipped with mixing of colors dial box, can supply the customer to carry out the regulation of colour temperature, link through the public female end of DC in the middle of dial box and the drive box, can separately dock on emergency power source according to customer's demand DC public female end and use, be equipped with dial switch on the afterbody drive box, can carry out the adjustment of power to the whole lamp.

3. The fixing groove is formed in the surface ring, and the waterproof silica gel ring is arranged in the fixing groove, so that the front surface of the down lamp can reach the IP65 waterproof grade.

Drawings

Fig. 1 is an exploded view of a side-emitting fire-resistant down lamp of the present utility model.

In the figure, 1, a fixing screw; 2, a fireproof backboard, 3, fireproof expansion foam, 4, reflection paper, 5, a light guide plate, 6, a diffusion plate, 7, a silica gel gasket, 8, a lamp strip, 9, a face ring, 10, a mounting spring bracket, 11, a power line, 12, a color mixing dial box, 13, a DC male end line, 14, a DC female end line, 15 and a driving box.

Detailed Description

The utility model is described in further detail below with reference to the attached drawings and detailed description:

Embodiment one:

The embodiment is a side-emitting fireproof down lamp, the whole structure of which is shown in fig. 1, and the side-emitting fireproof down lamp comprises a face ring 9, a lamp strip 8, a light expansion structure, fireproof expansion foam 3, a fireproof back plate 2 and a dimming structure, wherein the lamp strip is arranged on a panel, the light expansion structure is arranged on the lamp strip, the fireproof expansion foam is arranged on the light expansion structure and is connected with the fireproof back plate, the fireproof back plate and the face ring are fixed into a whole through a fixing screw 1, the dimming structure is connected with the lamp strip through a power line, and the dimming structure is arranged outside the lamp body.

The foam material is fireproof expansion foam, and helps to prevent the whole down lamp from being fire. The back plate is fixed on the face ring through screws, the back plate is a fireproof back plate, iron materials can be adopted, a final barrier is provided for the fireproof of the whole down lamp, and the front fire source can be blocked from being led to the rear part, so that the whole down lamp achieves the fireproof effect. The external drive of down lamp adopts ultra-thin design scheme, saves more space for the installation.

In this embodiment, the surface ring has a circular ring structure, and the light bar is an annular light bar, which is fit with the circular size of the surface ring and is mounted on the circular inner wall of the surface ring.

Further, the face ring and the fireproof back plate are fixed through fixing screws to form a down lamp main body, the down lamp main body is easy to detach and install, and meanwhile fireproof expansion foam, a light expansion structure and a lamp strip are all installed in the down lamp main body.

In this embodiment, six fixing screws are uniformly distributed on the inner and outer walls of the face ring at intervals.

Wherein, be equipped with the fixed slot on the face ring, the fixed slot is located the lamp strip outside (the lamp strip is installed in fixed slot inner wall one side). Install waterproof silica gel circle 7 in the fixed slot, waterproof silica gel circle and fixed slot size, shape all agree with, waterproof silica gel circle slightly is higher than the fixed slot mesa, waterproof silica gel circle and fire prevention backplate butt, expand light structure, lamp strip and fire prevention inflation bubble cotton all install waterproof silica gel circle inside for waterproof silica gel circle can effectively protect inside the down lamp main part, prevent inside steam gets into the down lamp main part, make whole down lamp openly reach IP65 waterproof grade.

Further, the light-diffusing structure comprises a reflecting paper 4, a light guide plate 5 and a diffusion plate 6, wherein the diffusion plate is arranged above the light bar, the light guide plate is arranged above the diffusion plate, the reflecting paper is arranged above the diffusion plate, and the fireproof expansion foam is arranged between the reflecting paper and the fireproof back plate.

The diffusion plate can interfere the light emitted by the lamp strip, no matter how much the originally designed light distribution curve is, the light beam angle can be changed into 160-176 degrees only by the light passing through the diffusion plate. On the other hand, the diffusion plate has good performances such as heat resistance, dimensional stability, mechanical strength, flame resistance and the like, can effectively prevent fire, has high light transmittance, and has excellent shielding property and durability, so that the light diffusion effect of the diffusion plate reaches the optimal state. Has high brightness and high diffusivity, and can improve the diffusion effect of uniform light distribution of the backlight source.

Therefore, the diffusion plate is adopted in the embodiment, so that the diffusion performance of light emitted by the light bar can be improved, the light softness of the light emitted by the light bar is high, the energy consumption can be reduced, the illuminance of the lamp is improved, and meanwhile, the consistency of the color temperature of the light source is maintained.

The light guide plate is made of an optical acrylic/PC plate, and then a high-tech material with extremely high refractive index and no light absorption is used for printing light guide points on the bottom surface of the optical acrylic plate by using laser engraving, V-shaped cross grid engraving and UV screen printing technologies. The light emitted from the lamp is absorbed by the optical acrylic plate and stays on the surface of the optical acrylic plate, when the light rays are emitted to each light guide point, the reflected light can be diffused towards each angle, and then the reflection condition is destroyed and emitted from the front surface of the light guide plate. The light guide plate can uniformly emit light through various light guide points with different densities and sizes, so that the uniformity of light emitted by the light bar is improved.

The reflective paper is used for reflecting light and irradiating the light to a specific area, thereby improving the lighting effect. The reflective paper is usually made of silver foil, PET fiber and polymer material, and has high reflectivity and heat insulation performance. The good high temperature resistance enables the reflective paper to be used normally under the high temperature condition, and also provides help for the fireproof performance of the whole down lamp.

The diffusion plate, the reflecting plate and the reflecting paper are combined, the reflecting paper can reflect light rays emitted by the lamp strip to the light guide plate, the diffusion plate diffuses and dissipates the light rays output by the light guide plate, the light uniformity of the whole down lamp is improved, and human eyes feel more comfortable and natural.

The dimming structure comprises a power line 11, a color matching dial box 12, a driving box 15 and a dial switch, wherein the dial switch is connected with the driving box, the driving box is connected with the color matching dial box, the color matching dial box is connected with the power line, the power line is fixed on the back plate through a line card, the power line is connected with the lamp strip, and a working power supply is provided for the lamp strip and color temperature and brightness of the lamp strip are regulated.

In the embodiment, the color temperature of the lamp strip can be adjusted by the color temperature dial box, and the color temperature dial box is provided with a 6-gear CCT toggle switch for adjustment, so that 2700-3000-3500-4000-5000 5-gear color temperature selection and 2000-3000K DTW functions can be realized.

Based on the above structure, the side-emitting fireproof down lamp provided by the embodiment has the following beneficial effects:

1. The fireproof expansion foam is adopted, so that the fireproof expansion foam is helpful for the fireproof of the whole down lamp. The fireproof backboard also provides a final barrier for the fire prevention of the whole down lamp, and can block the front fire source from being communicated to the rear part, so that the whole down lamp achieves the fireproof effect.

2. External drive of down lamp, lamp strip paste at face ring inner wall through the heat conduction sticky tape, face ring and fire prevention back shape down lamp main part, diffuser plate, light guide plate, reflection paper, fire prevention inflation bubble are cotton to be placed in proper order in down lamp main part inside, and down lamp main part is ultra-thin, can save more installation space.

3. The color mixing dial box is arranged, so that a customer can adjust the color temperature, and the dial switch is arranged on the tail driving box, so that the power of the whole lamp can be adjusted.

4. The fixing groove is formed in the surface ring, and the waterproof silica gel ring is arranged in the fixing groove, so that the front surface of the down lamp can reach the IP65 waterproof grade.

Embodiment two:

most of the existing fireproof down lamps are fireproof by smearing fireproof materials, so that on one hand, the lighting effect is affected, and on the other hand, the thickness of the down lamp is increased.

The embodiment provides a side-emitting fireproof down lamp, includes the face ring, is equipped with the fixed slot on the face ring, installs waterproof silica gel circle in the fixed slot, and the fixed slot is spacing, fixed to waterproof silica gel circle to make the down lamp openly reach IP65 waterproof grade.

The lamp strip is adhered to the inner wall of the face ring through the heat conduction adhesive tape, a plurality of lamp beads are uniformly and alternately arranged on the lamp strip, and the orientation of the lamp beads is the circle center of the circle where the lamp strip is located.

In this embodiment, the LED lamp is used to the lamp strip, adopts advanced LED luminous technology, has high light efficiency, can provide brighter, more even light, and the illuminating effect is more outstanding. The LED lamp has lower power consumption, can effectively save energy and reduce energy consumption cost. Simple structure, it is more convenient to maintain, only needs the periodic cleaning lamps and lanterns surface can keep the illuminating effect. Meanwhile, the luminous angle of the LED lamp can be adjusted according to different illumination requirements, so that the light rays more accord with actual requirements. The service life of the lamp is far longer than that of a traditional incandescent lamp, and a great deal of replacement and maintenance cost can be saved. No harmful gas and radiation are generated, and no pollution is caused to the environment.

The diffusion plate, the light guide plate, the reflecting paper and the foam are sequentially placed from bottom to top, wherein the diffusion plate is made of V0 flame-retardant PC material, the foam is made of fireproof expansion foam, and the whole fireproof of the down lamp is facilitated.

The main function of the light guide plate is to guide the luminous flux of the light bar to be uniformly distributed on the whole surface, and the light enters the light guide plate from the side surface through reflection and refraction and then is emitted from the front surface with higher efficiency, so that the uniform distribution and the high-efficiency utilization of the light are realized.

The main function of the diffuser plate is to turn on the flux of light and to uniformly distribute the light. Inorganic or organic light diffusion agents are added into the base material through chemical or physical means, or light rays are adjusted manually through array arrangement of micro-feature structures on the surface of the base material, so that the light rays are refracted, reflected and scattered in different directions.

The fireproof backboard is fixed on the face ring through screws, and the backboard is made of iron, so that a final barrier is provided for the integral fireproof of the down lamp.

Wherein the structures such as the diffusion plate, the light guide plate, the reflecting paper and the like are all made of fireproof high temperature resistant fire-resistant materials, and the fireproof barrier provided by the fireproof back plate can prevent the front fire source from being communicated to the rear part, so that the whole lamp achieves the fireproof effect. On the other hand, the diffusion plate, the light guide plate and the reflecting paper are all of plate-shaped structures, the whole structure is thinner, the diffusion plate, the light guide plate and the reflecting paper are installed inside the down lamp, the ultra-thin design scheme of the whole lamp is realized while fire prevention is realized, and more time is saved for the down lamp installation.

Further, a heat radiating device is arranged on the fireproof backboard and used for radiating heat of the down lamp. The radiator is made of metal heat-resistant and temperature-resistant materials (such as aluminum alloy materials), and can also be flame-retardant to a certain extent when fire is spread. The outer surface of the radiator is of a sheet surrounding structure.

The fireproof cotton ring is further arranged on the outer side of the fireproof backboard, and the fireproof cotton ring is embedded with the circle at the edge of the fireproof backboard, because the fireproof backboard is reversely buckled with the ceiling, and the fireproof backboard is provided with the fixing screw and the radiator, the installation surface is possibly uneven to influence the appearance of the down lamp, so that the fireproof cotton ring is arranged on the periphery of the fireproof backboard, the down lamp is smooth to install, flame can be effectively blocked when the down lamp is on fire, and further the down lamp is fireproof. The metal cotton ring is provided with a plurality of heat dissipation holes, so that the radiator can conduct heat dissipation conveniently.

External structure of adjusting luminance of down lamp, the structure of adjusting luminance includes power cord 11, mixing of colors dial box 12, the public female end of DC and drive box 15, dial switch, and dial switch is connected with the drive box, and the drive box is connected with the public female end of DC, and the public female end of DC is connected with mixing of colors dial box, and mixing of colors dial box and power cord are connected, and the power cord passes through the ply-yarn drill to be fixed on the backplate, and the power cord is connected with the lamp strip, provides working power supply and carries out colour temperature and luminance to the lamp strip for the lamp strip and adjusts.

Specifically, the male and female end of DC includes the male end line 13 of DC and the female end line 14 of DC, and the palette is connected with the male end line of DC, and the male end line of DC is connected with the female end line of DC, and the female end line of DC is connected with the drive box. The color matching dial box and the driving box are connected through the DC male and female ends, and the DC male and female ends can be separately abutted on an emergency power supply for use according to customer requirements.

In this embodiment, the palette is used for adjusting the colour temperature of lamp strip, totally 6 shelves switches, can carry out 6 grades colour temperature selections. The dial switch is used for adjusting the power of the down lamp, namely adjusting the brightness of the down lamp, and a total of three-gear switches can be selected. And the color temperature also varies from 3000K to 2000K when the process from brightest to darkest in the dimmed state is zero-degree.

In this embodiment, the portable installation and disassembly of the side-emitting fireproof down lamp are realized by further comprising two installation springs 10, wherein the two installation springs are symmetrically installed on two sides of the face ring, and the down lamp can be installed on a ceiling or a wall through the installation springs.

Meanwhile, the metal lifting rope is arranged on the fixed cross beam of the mounting spring and used for preventing the down lamp from falling off during mounting, and the down lamp can be effectively prevented from falling off when the fire is too large, so that the safety is improved.

The shell above the down lamp radiator is also made of metal heat-resistant and temperature-resistant materials, and can also be flame-retardant to a certain extent when flame is delayed, so that the time is saved for fire control.

When encountering the conflagration, the fire prevention cotton ring can block the flame earlier, and cooperation installation spring and metal lifting rope make down lamp can not drop in the flame for a long time again, and radiator surface and air heat exchange dispel the heat simultaneously, and then after a period of time when the flame spread to the fire prevention backplate, the fire prevention backplate carries out a period of fire-retardant again, effectively improves the fire prevention time.

The side-emitting fireproof down lamp provided by the embodiment has the following beneficial effects:

1. The color-mixing dial box is arranged for a customer to adjust the color temperature, the dial switch is arranged for the customer to adjust the brightness of the down lamp, so that the convenient dial dimming is realized, the side-emitting fireproof down lamp can adjust the brightness and the color temperature of the lamp according to the light requirements of different scenes, and the customer requirements are further met.

2. The diffusion plate is made of V0 flame-retardant PC material, the foam material is fireproof expansion foam, and the reflecting paper and the light guide plate are made of fireproof high-temperature-resistant materials, so that the fireproof LED lamp is helpful for fire prevention.

3. The dial box and the driving box are connected through the DC male and female ends, and the DC male and female ends can be separately abutted on an emergency power supply for use according to customer requirements.

The above-described embodiment is only a preferred embodiment of the present utility model, and is not limited in any way, and other variations and modifications may be made without departing from the technical aspects set forth in the claims.

Claims (9)

1. The side-emitting fireproof down lamp is characterized by comprising a surface ring, wherein a lamp strip is arranged on the inner wall of the surface ring, a light expansion structure is arranged on the lamp strip, fireproof expansion foam is arranged on the light expansion structure, a fireproof back plate is arranged on the fireproof expansion foam, a dimming structure is arranged on the outer side of the fireproof back plate, and the dimming structure is connected with the lamp strip.

2. The side-emitting fire-resistant down lamp of claim 1, wherein the face ring is provided with a waterproof groove, and the waterproof groove is provided with a waterproof silica gel ring.

3. The side-emitting fire-resistant down lamp of claim 1, wherein the dimming structure comprises a color mixing dial box, the color mixing dial box is connected with a driving box, and a dial switch is arranged on the driving box.

4. A side-emitting fire-resistant down lamp as defined in claim 3, wherein the dimming structure comprises a power cord, the power cord is secured to the fire-resistant back plate by a wire clip, and the power cord is connected to the color-mixing dial box.

5. The side-emitting fire-resistant down lamp of claim 1, wherein the light-diffusing structure comprises a diffuser plate mounted on the light bar, a light guide plate mounted on the diffuser plate, and reflective paper mounted on the light guide plate.

6. A side-emitting fire-resistant down lamp according to claim 1 or 2 or 3 or 4 or 5, further comprising mounting springs symmetrically mounted on the face ring.

7. A side-emitting fire-resistant downlight as claimed in claim 3 or 4, wherein the palette-dial box is connected to the drive box via a DC male-female terminal.

8. The side-emitting fire-resistant down lamp of claim 5, wherein the diffuser plate is a V0 flame retardant PC diffuser plate.

9. A side-emitting fire-resistant down lamp as in claim 1 or 2 or 3 or 4 or 5, wherein the light bar is adhered to the inner wall of the face ring by heat-conducting glue.