TW202108931A - Tubular skylight system - Google Patents

Abstract

A tubular skylight system is disclosed. The tubular skylight system is capable of guiding nature light outside an indoor room into the indoor room, such that the nature light serves as an indoor illumination source. The tubular skylight system can control at least one luminescence element to light or not to light, or control luminescence brightness when the at least one luminescence element lights according to an illumination value of a specific area in a light guide pipe to maintain illumination provided by the tubular skylight system to a fixed illumination value via luminescence of the at least one luminescence element when an illumination provided by the nature light is not enough.

Description

Light pipe lighting system

The present invention relates to a light pipe lighting system, in particular to a light pipe lighting system that can maintain the provided illuminating light source at a fixed illuminance.

"TUBULAR SKYLIGHT SYSTEM" (TUBULAR SKYLIGHT SYSTEM) is a lighting system that can guide natural light from outside into the room and use natural light as the light source. As the concept of energy saving is increasingly being promoted, in recent years, more and more places have used this kind of lighting system, such as factories.

Since the use of natural light as a light source will be affected by the direction of sunlight and the climate, there are currently light pipe lighting systems with automatic control of light supplementation. When only natural light is used as the light source, if the indoor illuminance requirement can be met, the artificial lighting source is not turned on. Once the natural light is used as the light source and the indoor illuminance cannot be met, the system controls the artificial lighting source to turn on, so that the indoor illuminance can be maintained at the preset target illuminance. Regarding whether the indoor illuminance is sufficient, the current light pipe lighting system is to detect the illuminance of a specific area under the indoor lighting source. However, once an object enters above the specific area, it will cause the light detector to stay indoors. Illumination detection produces misjudgment.

The main purpose of the present invention is to provide a light pipe lighting system that can maintain the provided lighting source at a fixed illuminance.

In order to achieve the above-mentioned object, the light pipe lighting system of the present invention can guide natural light outside the indoor space into the indoor space. The light pipe lighting system includes a light pipe, a light collecting cover, a light output cover, a light scattering element, at least one light-emitting element, a light sensor and a dimming controller. The light pipe has a light entrance and a light exit. The light collecting cover is arranged at the light entrance of the light guide tube, and natural light can penetrate the light collecting cover to enter the light guide tube. The light exit cover is arranged at the light exit port of the light guide tube. The light scattering element is arranged in the light guide tube. When the natural light entering the light guide irradiates the light scattering element, the natural light is scattered, passes through an illuminance detection area after being scattered, and irradiates to the light output cover, where the illuminance detection The measurement area is located between the light entrance and the light exit of the light pipe. The light-emitting element is arranged in the light pipe. The light sensor is used to detect the illuminance value of the illuminance detection area. The dimming controller is electrically connected with the light-emitting element and the light sensor; the dimming controller is used to control the brightness of the light-emitting element when it emits or does not emit light or emits light according to the illuminance value of the illuminance detection area.

According to an embodiment of the present invention, the light scattering member is a thin film layer, and the thin film layer is attached to the inner wall of the light pipe.

According to an embodiment of the present invention, the thin film layer is made of titanium oxide compound, silicon oxide compound, silver ion or aluminum oxide compound material.

According to an embodiment of the present invention, the light scattering member is a paint layer, and the paint layer is attached to the inner wall of the light guide tube.

According to an embodiment of the present invention, the coating layer is made of barium sulfate, polymethyl methacrylate, silicone resin, silicate or metal ion materials.

According to an embodiment of the present invention, the light scattering member is a concave-convex surface, and the concave-convex surface is formed by embossing the inner wall of the light pipe.

According to an embodiment of the present invention, the light scattering member is a diffuser, and the diffuser is arranged between the light entrance and the light exit of the light guide.

According to an embodiment of the present invention, the distance from the diffuser sheet to the light outlet of the light guide tube is X cm, 10≦X≦20.

According to an embodiment of the present invention, when natural light irradiates the light collecting cover, the natural light penetrates the light collecting cover and then scatters into the light guide tube.

According to an embodiment of the present invention, the illuminance detection area is Y cm away from the light outlet of the light pipe, 1≦Y≦15.

According to an embodiment of the present invention, the light guide tube includes a first tube body and a second tube body, the diameter of the second tube body is larger than that of the first tube body, and the light entrance is located in the first tube body. , The light outlet is located in the second tube body.

According to an embodiment of the present invention, the light emitting element is arranged in the second tube body and located outside the tube wall of the first tube body.

According to an embodiment of the present invention, the light pipe lighting system of the present invention further includes a heat dissipation device. The heat dissipation device is arranged outside the first tube body and corresponding to the light-emitting element.

According to an embodiment of the present invention, the light pipe lighting system of the present invention further includes a valve, which is arranged in the light pipe and is electrically connected to the dimming controller. The dimming controller is further used to control the degree of opening and closing of the valve according to the illuminance value of the illuminance detection area.

According to an embodiment of the present invention, the light pipe lighting system of the present invention further includes an environmental monitoring device, which is arranged next to the light pipe and connected to a cloud management system. The environmental monitoring device is used to detect and obtain the environmental data in the indoor space, and send the obtained environmental data to the cloud management system. The obtained environmental data includes the temperature, humidity or air quality related data in the indoor space.

According to an embodiment of the present invention, the environmental monitoring device is connected to a humidity control device, and the environmental monitoring device controls the humidity control device to adjust the humidity in the building according to the obtained environmental data about humidity.

According to an embodiment of the present invention, the environmental monitoring device is connected to an air purification device, and the environmental monitoring device controls the air purification device to turn on or off according to the acquired environmental data about air quality.

According to an embodiment of the present invention, a photocatalyst material is provided in the light guide tube.

In order to allow your reviewer to better understand the technical content of the present invention, preferred specific embodiments are described as follows.

Please refer to Figure 1 and Figure 2 below. Fig. 1 is a schematic diagram showing the environment when the light pipe lighting system of the present invention is used; Fig. 2 is a side cross-sectional view of the first embodiment of the light pipe lighting system of the present invention.

As shown in FIG. 1, in the first embodiment of the present invention, the light pipe lighting system 1 is installed on the roof of a building 600. The light pipe lighting system 1 can guide the natural light outside the indoor space 610 of the building 600 into the indoor space 610. It should be noted that the light pipe lighting system 1 of the present invention is not limited to being installed on the roof of the building 600, and it can also be installed on the ground to be used as a basement indoor space lighting system.

As shown in FIG. 1, in the first embodiment of the present invention, the light pipe lighting system 1 of the present invention includes a light pipe 10, a light collecting cover 20, a light output cover 30, a light scattering member 40, and a plurality of light emitting elements 50. , The light sensor 60, the dimming controller 70, the heat dissipation device 80, the valve 90 and the environmental monitoring device 100.

As shown in FIG. 2, in the first embodiment of the present invention, the light pipe 10 is made of aluminum and has a cylindrical shape. The light guide tube 10 includes a first tube body 10 a and a second tube body 10 b, and has a light entrance 11 and a light exit 13. One end of the first tube body 10a is connected to one end of the second tube body 10b, and the tube diameter of the second tube body 10b is larger than the first tube body 10a. As shown in FIGS. 1 and 2, the light entrance 11 is located at the other end of the first tube body 10 a and is located outside the indoor space 610 of the building 600. The light outlet 13 is located at the other end of the second tube body 10 b and is located in the indoor space 610 of the building 600. The light entrance 11 and the light exit 13 communicate with each other.

In the first embodiment of the present invention, the light collecting cover 20 is arranged at the light entrance 11 of the light pipe 10 and covers the light entrance 11. When the natural light outside the indoor space 610 irradiates the light collecting cover 20, it can penetrate the light collecting cover 20 to enter the light guide tube 10. In a specific embodiment, the light collecting cover 20 is made of a light-transmitting material with a scattering effect, and the specific manufacturing method thereof, for example, but not limited to, adding scattering particles to the light-transmitting material. By selecting materials with a scattering effect, natural light can be scattered into the light pipe 10 after irradiating the light collecting cover 20, thereby reducing the directivity of the natural light transmitted into the light pipe 10.

In the first embodiment of the present invention, the light-emitting cover 30 is also made of a light-transmitting material with a scattering effect. The light exit cover 30 is arranged at the light exit 13 of the light guide tube 10 and covers the light exit 13. When the natural light entering the light pipe 10 irradiates the light exit cover 30, the natural light can penetrate the light cover 30 to enter the indoor space 610.

In the first embodiment of the present invention, the light scattering member 40 is a film layer 41, more specifically, an optical film that can produce a scattering effect. The film layer 41 is located in the light pipe 10 and attached to the inner wall 15 of the light pipe 10. When the natural light entering the light pipe 10 irradiates the thin film layer 41, it will be scattered, and the natural light will pass through an illuminance detection area 200 after being scattered, and irradiate the light exit cover 30.

In a specific embodiment, the illuminance detection area 200 is located between the light entrance 11 and the light exit 13, and is Y cm away from the light exit, where 1≦Y≦15, preferably Y is 5, but the present invention does not Limit this. Since the light entering the light pipe 10 is scattered when it is irradiated to the film layer 41, the light passing through the illuminance detection area 200 and irradiating to the light output cover 30 can be made more uniform, which greatly improves the uniformity of illumination and increases the illumination Comfort.

In order to prevent the light transmission efficiency from being reduced due to scattering, in a specific embodiment, the optical characteristics of the light scattering element 40 (thin film layer 41) are preferably such that the total reflectivity is greater than 96%, and the scattering angle of perpendicular incident light is limited to Within 30 degrees, but the present invention is not limited to this. In a specific embodiment, the thin film layer 41 is made of titanium oxide compound, but the present invention is not limited to this. The thin film layer 41 can also be made of silicon oxide compound, silver ion, aluminum oxide compound or other materials with scattering effect. production.

In the first embodiment of the present invention, the light pipe 10 is provided with a photocatalyst material 110, and the photocatalyst material 110 is coated on the film layer 41. When the natural light entering the light pipe 10 irradiates the photocatalyst material 110, it can prompt the photocatalyst material 110 to produce a chemical reaction to generate ions with the functions of sterilization and virus removal.

In the first embodiment of the present invention, the light emitting element 50 is circumferentially arranged in the second tube body 10b, and its arrangement position is located outside the tube wall of the first tube body 10a. By arranging the light emitting element 50 on the outer side of the tube wall of the first tube body 10a as shown in FIG. 2, the light emitting element 50 is located outside the light transmission path, which can prevent the light emitting element 50 from interfering with the natural light in the light guide tube 10. Therefore, the efficiency of light transmission can be greatly improved. In a specific embodiment, the light-emitting element 50 is a light-emitting diode bulb (LED bulb), but the invention is not limited to this.

In the first embodiment of the present invention, the light sensor 60 is arranged in the second tube body 10b of the light pipe 10. The light sensor 60 is used to detect the illuminance value of the illuminance detection area 200.

In the first embodiment of the present invention, the dimming controller 70 is electrically connected to the light emitting element 50 and the light sensor 60. The dimming controller 70 is used to control the light-emitting element 50 to emit light or not, or the brightness of the light-emitting element according to the illuminance value of the illuminance detection area 200. In a specific embodiment, when the light pipe lighting system 1 only provides illumination with natural light, for example, when the illuminance value of the illuminance detection area 200 is lower than the system preset illuminance value, for example, when 1000 lux, the dimming control The device 70 controls the light-emitting element 50 to emit light, and controls the brightness of the light-emitting element 50 when it emits light, so that the illuminance value of the illuminance detection area 200 can be maintained at the system preset illuminance value.

With the arrangement of the light scattering element 40 (film layer 41), the natural light irradiated to the light scattering element 40 can be scattered in the light pipe 10, and the scattered natural light (ie scattered light) will pass uniformly The illuminance detection area 200 is directly irradiated to the light output mask 30 after passing through the illuminance detection area 200. Therefore, by using the illuminance value of the illuminance detection area 200, the illuminance value of a working area located below the light exit 13 in the indoor space 610 can be estimated. In a specific embodiment, the relationship between the illuminance value of the working area under the light exit 13 and the illuminance value of the illuminance detection area 200 can be expressed by the following calculation formula, but the present invention is not limited thereto. I _in =I _d *T/D ² (1) In the above formula (1), I _in is the illuminance value of the working area under the light exit 13, I _d is the illuminance value of the illuminance detection area 200, and T is The transmittance of the light output mask 30, D is the distance between the light output mask 30 and the working area.

In the first embodiment of the present invention, the heat dissipating device 80 is arranged around the outer side of the first tube body 10 a and corresponding to the plurality of light-emitting elements 50, so that the light-emitting element 50 can dissipate heat through the heat dissipating device 80.

In the first embodiment of the present invention, the valve 90 is disposed in the light pipe 10 and is electrically connected to the dimming controller 70. When the valve 90 is fully opened, the pipes in the light guide tube 10 are not shielded at all; when the valve 90 is completely closed, the pipes are completely shielded, and the light entering from the light entrance 11 cannot be transmitted to the light exit 13. In addition to controlling the light emitting element 50 to emit light according to the illuminance value of the illuminance detection area 200, the dimming controller 70 can also control the opening and closing degree of the valve 90 according to the illuminance value of the illuminance detection area 200. In a specific embodiment, when the intensity of natural light is too high, causing the illuminance value of the illuminance detection area 200 to exceed the system preset illuminance value, the dimming controller 70 controls the valve 90 to close slightly, for example, the valve 90 is closed by one third Part of the pipes are shielded to block the luminous flux of the natural light irradiated to the light exit cover 30, so that the illuminance in the indoor space 610 can be maintained in a comfortable state.

As shown in FIG. 1, in the first embodiment of the present invention, the environmental monitoring device 100 is combinedly arranged next to the light pipe 10, and is connected to the cloud storage system 300, the humidity control device 400, and the air cleaning device 500 through wireless communication. line. The environmental monitoring device 100 can detect and obtain environmental data in the indoor space 610, and can transmit the obtained environmental data to the cloud storage system 300 for storage. In a specific embodiment, the obtained environmental data includes data related to temperature, humidity, and air quality in the indoor space 610, but the present invention is not limited to this, and it may only detect temperature, humidity, or air quality alone, or Any two related materials.

The environmental monitoring device 100 can control the humidity adjustment device 400 to adjust the humidity in the indoor space 610 according to the obtained environmental data about humidity. For example, if the detected humidity in the indoor space 610 exceeds 45%, the humidity adjustment device 400 is controlled to be turned on to adjust the humidity in the indoor space 610 to maintain no more than 45%. In a specific embodiment, the humidity control device 400 may be an air conditioner with a dehumidification function or a dedicated dehumidifier.

In addition, the environmental monitoring device 100 also controls the air cleaning equipment 500 to turn on or off based on the acquired environmental data about air quality. For example, when it is detected that the carbon dioxide content of the air in the indoor space 610 is too high, the environmental monitoring device 100 controls the air cleaning device 500 to turn on to reduce the carbon dioxide content in the air. In a specific embodiment, the air cleaning device 500 may be a suction device or an air cleaning machine.

Please refer to FIG. 3 for a side cross-sectional view of the second embodiment of the light pipe lighting system of the present invention.

As shown in FIG. 3, in the second embodiment of the present invention, unlike the first embodiment disclosed above, the light scattering member 40 is a paint layer 42 which contains scattering particles and is attached to the light pipe 10.之内壁15. When the natural light entering the light pipe 10 irradiates the paint layer 42, the same scattering effect as the film layer 41 irradiated by the front exposure can be produced. The scattered natural light can uniformly pass through the illuminance detection area 200 and irradiate to the light output mask 30. In a specific embodiment, the coating layer 42 is made of barium sulfate, but the present invention is not limited to this. The coating layer 42 can also be made of polymethylmethacrylate, silicone resin, silicate, metal ion or other Made of materials with light scattering effect.

Please refer to FIG. 4 for a side cross-sectional view of the third embodiment of the light pipe lighting system of the present invention.

As shown in FIG. 4, in the third embodiment of the present invention, unlike the first embodiment disclosed above, the light scattering member 40 is a concave-convex surface 43 formed by the inner wall 15 of the light pipe 10 It is formed by embossing. When the natural light entering the light pipe 10 irradiates the concave-convex surface 43, the natural light will be scattered. The scattered natural light uniformly passes through the illuminance detection area 200 and irradiates the light output mask 30.

Please refer to FIG. 5 for a side cross-sectional view of the fourth embodiment of the light pipe lighting system of the present invention.

As shown in FIG. 5, in the fourth embodiment of the present invention, unlike the previous embodiments, the inner wall 15 of the light pipe 10 is not treated in any way. In this embodiment, the light scattering member 40 is a diffusion sheet 44 which is disposed between the light entrance 11 and the light exit 13 and between the illuminance detection area 200 and the light entrance 11. In a specific embodiment, the distance between the diffuser 44 and the light outlet 13 is X cm, 10≦X≦20, preferably X is 15, but the present invention is not limited to this. When the natural light entering the light pipe 10 irradiates the diffuser 44, the natural light penetrates the diffuser 44 and uniformly scatters through the illuminance detection area 200 and irradiates the light exit cover 30.

Please refer to FIG. 6 for a side cross-sectional view of the fifth embodiment of the light pipe lighting system of the present invention.

As shown in FIG. 6, in the fifth embodiment of the present invention, unlike the first embodiment disclosed above, the light pipe 10 is a tube body with a single tube diameter, that is, in this embodiment, the previous disclosure mentions The first tube body 10a and the second tube body 10b obtained have the same tube diameter. A plurality of light-emitting elements 50 surround the inner wall 15 of the light pipe 10 where the thin film layer 41 is not provided. The heat dissipating device 80 is arranged around the light pipe 10 and corresponding to the light-emitting element 50, so that the light-emitting element 50 can dissipate heat through the heat dissipating device 80.

It can be seen from the foregoing disclosure that the light pipe lighting system 1 of the present invention can use the light scattering member 40 to make the light entering the light pipe 10 uniformly pass through the preset illuminance detection area 200 and illuminate the light exit cover 30 . This design not only provides an illumination source with better uniformity, but also performs dimming control by detecting the illuminance value of the illuminance detection area 200 in the light pipe 10, so the light sensor 60 is arranged on the light guide. Inside the tube 10, there will be no problem of misjudgment of illuminance by the light sensor due to obstruction of objects. In addition, the light pipe lighting system 1 of the present invention is further integrated with the environmental monitoring device 100, which can monitor the environmental conditions in the indoor space 610 at any time, obtain relevant environmental data, provide users with environmental quality maintenance, and remotely control the indoor space. The humidity control device 400 or the air cleaning device 500 in the space 610 dehumidifies or purifies the air, which is quite suitable for use in hospitals, long-term care centers, kindergartens and other indoor spaces 610 that require a comfortable environment.

It should be noted that the above-mentioned implementation manners are only examples of preferred embodiments of the present invention, and in order to avoid redundant description, all possible variations and combinations are not described in detail. However, those skilled in the art should understand that not all of the above-mentioned modules or components are necessary. In order to implement the present invention, other detailed conventional modules or components may also be included. Each module or component may be omitted or modified as required, and there may not be other modules or components between any two modules. As long as it does not deviate from the basic structure of the present invention, the scope of the rights claimed in this patent shall be the scope of the patent application.

1: Light pipe lighting system 10: Light pipe 10a: The first tube body 10b: second tube body 11: Light entrance 13: light outlet 15: inner wall 20: Collector cover 30: light hood 40: light scattering parts 41: Film layer 42: Paint layer 43: Concave and convex surface 44: diffuser 50: Light-emitting element 60: light sensor 70: dimming controller 80: heat sink 90: Valve 100: Environmental monitoring device 110: photocatalyst material 200: Illumination detection area 300: Cloud storage system 400: Humidity control equipment 500: Air purification equipment 600: buildings 610: Indoor Space

Fig. 1 is a schematic diagram showing the environment when the light pipe lighting system of the present invention is used. Fig. 2 is a side cross-sectional view of the first embodiment of the light pipe lighting system of the present invention. Fig. 3 is a side cross-sectional view of the second embodiment of the light pipe lighting system of the present invention. Fig. 4 is a side cross-sectional view of the third embodiment of the light pipe lighting system of the present invention. Fig. 5 is a side cross-sectional view of the fourth embodiment of the light pipe lighting system of the present invention. Fig. 6 is a side cross-sectional view of the fifth embodiment of the light pipe lighting system of the present invention.

1: Light pipe lighting system

20: Collector cover

40: light scattering parts

60: light sensor

80: heat sink

100: Environmental monitoring device

400: Humidity control equipment

600: buildings

10: Light pipe

30: light hood

50: Light-emitting element

70: dimming controller

90: Valve

300: Cloud storage system

50: Air purification equipment

610: Indoor Space

Claims (18)

A light pipe lighting system can guide natural light outside an indoor space into the indoor space. The light pipe lighting system includes: A light pipe with a light entrance and a light exit; A light collecting cover arranged at the light entrance, the natural light can penetrate the light collecting cover to enter the light guide tube; A light output mask is set at the light output port; A light-scattering element is arranged in the light pipe. When the natural light entering the light pipe irradiates the light-scattering element, the natural light scatters, passes through an illuminance detection area after being scattered, and irradiates to In the light output cover, the illuminance detection area is located between the light entrance and the light exit; At least one light-emitting element is arranged in the light pipe; A light sensor for detecting an illuminance value of the illuminance detection area; and A dimming controller is electrically connected to the at least one light-emitting element and the light sensor. The dimming controller is used to control the at least one light-emitting element to emit light or not, or the brightness when it emits light, according to the illuminance value . According to the light pipe lighting system described in item 1 of the scope of patent application, the light scattering member is a thin film layer attached to the inner wall of the light pipe. According to the light pipe lighting system described in item 2 of the scope of patent application, the thin film layer is made of titanium oxide compound, silicon oxide compound, silver ion or aluminum oxide compound material. According to the light pipe lighting system described in item 1 of the scope of patent application, the light scattering member is a paint layer, and the paint layer is attached to the inner wall of the light pipe. According to the light pipe lighting system described in item 4 of the scope of patent application, the coating layer is made of barium sulfate, polymethyl methacrylate, silicone resin, silicate or metal ion materials. According to the light pipe lighting system described in item 1 of the scope of patent application, the light scattering member is a concave-convex surface, and the concave-convex surface is formed by embossing the inner wall of the light pipe. According to the light pipe lighting system described in item 1 of the scope of patent application, the light scattering element is a diffuser, and the diffuser is arranged between the light entrance and the light exit. The light pipe lighting system described in item 7 of the scope of patent application, wherein the distance between the diffuser and the light outlet is X cm, 10≦X≦20. According to the light pipe lighting system described in item 1 of the scope of patent application, when the natural light irradiates the light collecting cover, the natural light penetrates the light collecting cover and then scatters into the light pipe. The light pipe lighting system described in item 1 of the scope of patent application, wherein the illuminance detection area is Y cm from the light outlet, 1≦Y≦15. The light pipe lighting system as described in item 1 of the scope of patent application, wherein the light pipe includes a first pipe body and a second pipe body, the second pipe body has a larger diameter than the first pipe body, and the The light entrance is located on the first tube body, and the light exit is located on the second tube body. According to the light pipe lighting system described in item 11 of the scope of patent application, the at least one light-emitting element is arranged in the second tube body and located outside the tube wall of the first tube body. As described in item 11 of the scope of patent application, the light pipe lighting system further includes a heat dissipation device arranged on the outside of the first tube body and corresponding to the at least one light-emitting element. For example, the light pipe lighting system described in item 1 of the scope of patent application further includes a valve arranged in the light pipe and electrically connected to the dimming controller. The dimming controller is further used for According to the illuminance value, the degree of opening and closing of the valve is controlled. For example, the light pipe lighting system described in item 1 of the scope of patent application further includes an environmental monitoring device, which is arranged next to the light pipe and connected to a cloud storage system. The environmental monitoring device is used for Detect and obtain one of the environmental data in the indoor space, and send the environmental data to the cloud storage system, where the environmental data includes the temperature, humidity, or air quality related data in the indoor space. For example, the light pipe lighting system described in item 15 of the scope of patent application, wherein the environmental monitoring device is connected to a humidity adjustment device, and the environmental monitoring device controls the humidity adjustment device to adjust the humidity adjustment device according to the obtained environmental data about humidity. Humidity in the indoor space. For example, the light pipe lighting system described in item 15 of the scope of patent application, wherein the environmental monitoring device is connected to an air cleaning equipment, and the environmental monitoring device controls the air cleaning equipment to turn on according to the obtained environmental data about air quality Or close. For the light pipe lighting system described in item 1 of the scope of patent application, the light pipe is provided with a photocatalyst material.

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