TW201510408A - Indoor illuminating device using directed sunlight - Google Patents

Abstract

A sun-tracking concentrator equipped with a set of filter/condensing lens is installed outdoors. Sunlight is gathered at an entrance of optical fiber. The optical fiber imports sunlight to shinea room. Thus, the present invention directs sunlight with non-visible spectrumof sunlightfiltered out by thin-film filter. Then, the sunlight is concentrated on one spot to enter into the optical fiber from the fiber entrance. The present invention effectively collects sunlight outdoors and directs the collected sunlight through the optical fiber to shineindoors. The present invention effectively directlyuse sunlight for indoor illumination to achieve the purpose of saving energy and reducing carbon.

Description

Leading sunlight to indoor lighting

The invention relates to an indoor lighting device for guiding sunlight, in particular to a device capable of effectively collecting sunlight outside the house and guiding the collected sunlight to the indoor light through the optical fiber.

With the world's emphasis on the greenhouse effect and the energy crisis, how to use existing energy more efficiently has become a topic of great concern to the world. Almost all public institutions, company numbers and school units' indoor lighting have begun to cooperate with the government. Energy-saving and carbon-saving policies to reduce energy consumption, and as a result, related energy-saving lighting and solar lighting equipment have also developed rapidly.

The method of solar lighting includes direct sunlight through windows, guidance to indoor lighting by means of duct reflection, illumination by a solar cell, illumination by a light bulb, and use of a solar concentrator with an optical fiber to guide to indoor lighting. method. Among them, the shortcomings of direct sunlight by windows are not able to be illuminated in the deep interior; the disadvantages of using duct reflection to guide indoor lighting are that the volume of the duct is too large and the indoor installation is inconvenient; the use of solar cells to generate light and the bulb is used for illumination It is light-transfer, electric-to-light, and has poor conversion efficiency; and the disadvantages of using solar concentrators with optical fibers to guide indoor lighting are expensive and difficult to install.

According to the patent document of the solar optical fiber guiding lighting system with the patent number I405928 authorized by the Intellectual Property Office of the Ministry of Economic Affairs of the Republic of China on August 21, 2013, as shown in Figure 6. The solar optical fiber guiding illumination system 6 of the invention is composed of a light collecting module 61, a tracking controller 62, a dual-axis tracking mechanism 63, a transducing and energy storage system 64, and an optical fiber 65, etc. The meter 62 measures the light, and causes the dual-axis tracking mechanism 63 to move toward the light, which facilitates the light collection of the light collecting module 61, is introduced into the house by the optical fiber 65, and is generated by the energy conversion and energy storage system 64 for system application, and has no external power at all. Energy saving, carbon saving and green energy features.

However, some incident light of the above-mentioned light collecting module may be caused by the incident angle, and the light is lost after passing through the side reflecting surface; the sun tracking sensor uses the sun position sensor, and the sensor fails and does not Accurate problems lead to failure of the chasing function; the dual-axis tracking mechanism of the azimuth tracking mechanism of the above-mentioned two-axis tracking mechanism is not conducive to the miniaturization and wall-hanging design; and the above-mentioned energy conversion and energy storage system benefits the solar lighting system. Not big, but it increases its complexity. Therefore, the conventional solar fiber guiding lighting system is limited in the installation position, which will be detrimental to the installation of the building.

With the new and new lighting technology, the improvement of light collection efficiency will become the development goal of designing light collectors in the future. However, most of the existing technologies have the disadvantages of complicated equipment, difficult installation and high cost. Therefore, the user-like system cannot meet the needs of the user to provide a high-efficiency guiding sunlight for indoor lighting in actual use.

The main object of the present invention is to overcome the above problems encountered in the prior art and to provide a high-efficiency sunlight for indoor lighting devices, which can effectively collect sunlight outside the house and guide the collected sunlight to the indoors via the optical fiber. The light can be used as a method for effectively applying sunlight directly to indoor lighting to achieve energy saving and carbon saving.

A secondary object of the present invention is to provide a device that uses a thin and lightweight sun-collecting concentrator that can be easily installed on an exterior wall or roof of a building to consume less than 50% of the fiber.

Another object of the present invention is to provide a device which can use optical fibers without being limited by space and has high light guiding efficiency.

Another object of the present invention is to provide a device for extracting ultraviolet light and infrared light from sunlight by using a light-weight plastic filter lens to introduce visible light into the room via a plastic optical fiber.

Another object of the present invention is to provide a device that uses a parabolic illuminator to uniformly illuminate the interior of the sun.

Another object of the present invention is to provide a device which can directly use sunlight for illumination and which is highly efficient.

For the purpose of the above, the present invention relates to a solar lighting device for indoor lighting, which comprises a sun-collecting concentrator, which is a two-axis driving mechanism including an east-west driving mechanism and a north-south driving mechanism. The optical device has a base, the east-west drive mechanism is disposed on two sides of the base, and the east-west drive mechanism is provided with at least two east-west drive rods and an east-west drive mechanism platform, and the two east-west drive rods Correspondingly connected between the east-west drive mechanism and the east-west drive mechanism platform, and one of the east-west drive rods is coupled with an east-west gear, and the east-west drive mechanism is provided with a thing To the motor seat, the east-west direction motor is provided with an east-west stepping motor, and the thing is controlled by the stepping motor to rotate the east-west direction driving rod and the east-west driving mechanism platform; the north-south driving mechanism is disposed on the device To the side of the driving mechanism platform, the north-south driving mechanism is provided with at least two north-south driving rods and a filter/concentrating lens group, and the two north-south driving rods are opposite It should be connected between the north-south driving mechanism and the filter/concentrating lens group, and one of the north-south driving rods is coupled with a north-south gear, and the north-south driving mechanism is provided with a north-south direction. a north-south stepping motor is arranged on the north-south motor seat, and the north-south stepping motor controls the north-south driving rod and the filtering/concentrating lens group to guide the sunlight to enter the filtering a concentrating lens group; a chasing day controller connected to the chase concentrator for controlling the chasing concentrator to rotate according to the sun trajectory and always aligning with the sun; the filtering/concentrating lens The group comprises a concentrating cup, a filtering/concentrating lens disposed in the concentrating cup, and a fiber connector disposed on the concentrating cup for supplying visible light having a wavelength of 400 nm to 750 nm in sunlight. Passing through an optical fiber, one end of which is disposed in the fiber optic connector to transmit sunlight; and a illuminator disposed in the room, including a illuminator connector and a paraboloid. Receiving the other end of the fiber with the illuminator connector, the sun And uniform illumination of an indoor sunlight reflected by the parabolic.

In the above embodiment of the present invention, the east-west gear train is coupled to the axis of the east-west stepping motor, and the north-south gear train is coupled to the axis of the north-south stepping motor.

In the above embodiment of the present invention, the east-west and north-south stepping motor is electrically connected to the tracking controller.

In the above embodiment of the present invention, the tracking controller has a microprocessor, a memory, an east-west stepping motor driver, and a north-south stepping motor driver, and the microprocessor reads the memory. The value of the solar trajectory in the body is converted into the step of the east-west and north-south stepping motor by controlling the east-west and north-south stepping motor driver to drive the east-west and north-south stepping motor.

In the above embodiment of the present invention, the filter/concentrating lens has a light transmissive filter film, which is a coating material or directly a filter/condensing lens.

In the above embodiment of the present invention, the filter/concentrating lens is a plano-convex mirror having a concentrating geometric magnification of at least 100 times, which is a plastic material or directly a filter/concentrating lens.

In the above embodiment of the present invention, the optical fiber is an optical fiber of a plastic or liquid material that transmits light with an efficiency of less than 50% per 10 meters.

In the above embodiment of the present invention, the illuminator is a parabolic spherical surface, the inner wall is the paraboloid, and the illuminator joint is used as a supporting illuminator weight.

(part of the invention)
1‧‧‧Tracing Sunlight concentrator 10‧‧‧A base 11‧‧‧ East-west drive mechanism 111‧‧‧ East-west drive rod 112‧‧‧ East-west drive mechanism platform 113‧‧‧ east-west gear 114‧ ‧ east-west motor seat 115‧‧ ‧ east-west stepping motor 12‧‧‧ north-south drive mechanism 121‧‧‧ north-south drive rod 122‧‧‧ north-south gear 123‧‧‧ north-south motor seat 124‧‧‧ north and south To the stepper motor 2‧‧‧Chasing controller 21‧‧‧Microprocessor 22‧‧‧Memory 23‧‧‧ East-to-step stepper motor driver 24‧‧‧ North-South stepping motor driver 3‧‧‧ Filter Light/concentrating lens group 31‧‧‧ concentrating cup 32‧‧‧Filtering/concentrating lens 33‧‧‧Fiber connector 4‧‧‧Fiber 5.‧‧ ‧ Beam illuminator 51‧‧‧ illuminator connector 52 ‧‧‧Parabolic (customized part)
6‧‧‧Solar fiber-optic guiding lighting system 61‧‧‧Light collecting module 62‧‧‧Summer controller 63‧‧‧Double-axis tracking mechanism 64‧‧‧Transfer and energy storage system 65‧‧‧ fiber

Figure 1 is a schematic diagram of the basic architecture of the present invention.
Fig. 2 is a schematic view of a sun-collecting concentrator of the present invention.
Figure 3 is a schematic diagram of the tracking controller of the present invention.
Figure 4 is a schematic view of a filter/concentrating lens assembly of the present invention.
Figure 5 is a schematic view of the illuminator of the present invention.
Figure 6 is a schematic diagram of a conventional solar fiber guiding illumination system.

Please refer to FIG. 1 to FIG. 5 , which are schematic diagrams of the basic structure of the present invention, a schematic diagram of the sun-collecting concentrator of the present invention, a schematic diagram of the tracking controller of the present invention, and a filtering/concentrating of the present invention. Schematic diagram of a light lens group and a schematic diagram of a light emitter of the present invention. As shown in the figure: the present invention is a solar illumination device for indoor lighting, comprising at least a sun-collecting concentrator 1, a tracking controller 2, a filtering/concentrating lens group 3, an optical fiber 4, and a The optical device 5 is constructed.

As shown in FIG. 2, the above-mentioned sun-collecting concentrator 1 is a dual-axis driving mechanism including an east-west driving mechanism 11 and a north-south driving mechanism 12, and the sun-collecting concentrator 1 has a base 10. The east-west driving mechanism 11 is disposed on two sides of the base 10, and the east-west driving mechanism 11 is provided with at least two east-west driving rods 111 and an east-west driving mechanism platform 112. The two east-west driving rods 111 are correspondingly connected between the east-west driving mechanism 11 and the east-west driving mechanism platform 112, and one of the east-west driving rods 111 is coupled with an east-west gear 113. An east-west motor seat 114 is disposed on the east-west drive mechanism 11, and an east-west stepping motor 115 is disposed on the east-west motor base 114. The east-west gear 113 is coupled to the east-west stepping motor 115. a heart connection, by which the east-west drive lever 111 and the east-west drive mechanism platform 1 are controlled to the stepping motor 115 2 rotating; the north-south driving mechanism 12 is disposed on two sides of the east-west driving mechanism platform 112, the north-south driving mechanism 12 is provided with at least two north-south driving rods 121 and the filter/concentrating lens group 3, and the two north-south driving rods 121 are correspondingly connected between the north-south driving mechanism 12 and the filter/concentrating lens group 3, and one of the north-south driving rods 121 and one north-south gear 122 The north-south direction driving mechanism 12 is provided with a north-south direction motor seat 123. The north-south direction motor seat 123 is provided with a north-south stepping motor 124, and the north-south gear 122 is stepped with the north-south direction. The axis of the motor 124 is coupled, and the north-south stepping motor 124 controls the north-south driving rod 121 and the filter/concentrating lens group 3 to guide sunlight into the filtering/concentrating lens group 3.

The tracking controller 2 is electrically connected to the east-west and north-south stepping motors 115 and 124 of the daylight concentrator 1. As shown in FIG. 3, the tracking controller 2 has a microprocessor 21, a memory 22, an east-west stepping motor driver 23, and a north-south stepping motor driver 24, which is 21 is the core, first calculating the solar trajectory value by using the latitude and longitude of the time and the installation position, and calculating the solar trajectory value in the memory 22, and the microprocessor 21 reads the solar trajectory in the memory 22. The value is converted into the steps of the east-west and north-south stepping motors 115 and 124, and the east-west and north-south stepping motor drivers 23 and 24 are controlled to drive the east-west and north-south stepping motors 115, 124. The daylight concentrator 1 is rotated in accordance with the solar trajectory and is always aligned with the sun, and the filter/concentrating lens group 3 can be moved to the focus position determined by the microprocessor 21.

As shown in FIG. 4, the filter/concentrating lens group 3 includes a collecting cup 31, a filtering/concentrating lens 32 disposed in the collecting cup 31, and a collecting cup disposed on the collecting cup. The optical fiber connector 33 on the 31 is used for visible light having a wavelength of 400 nm to 750 nm in sunlight. The filter/concentrating lens 32 is disposed on the concentrating cup 31 by a circular groove. The filtering/concentrating lens 32 is a light-transmissive filter film (not shown). Forming a filtering function, which may be a coating or directly as a filtering/concentrating lens, and the filtering/concentrating lens 32 has a planing mirror with a condensing geometric magnification of at least 100 times as a collecting lens, which can be used as a collecting lens. It is made of plastic material or directly as a filter/concentrating lens.

One end of the optical fiber 4 is disposed in the fiber optic connector 33 of the concentrating cup 31 in a cylindrical groove shape for transmitting sunlight. The optical fiber 4 is an optical fiber of a plastic or liquid material that transmits light with an efficiency of less than 50% per 10 meters.

The illuminator 5 is disposed in a room, which is a parabolic surface. As shown in FIG. 4, the illuminator 5 includes a illuminator joint 51 and a paraboloid 52, and the inner wall is the paraboloid 52, and The illuminator connector 51 receives the other end of the optical fiber 4 and supports the weight of the illuminator 5, and the sunlight reflects the uniform sunlight through the paraboloid 52 to illuminate the room. The parabolic surface 52 of the inner wall of the illuminator 5 is rotated by 360 degrees around the Z axis to form a parabolic sphere. The paraboloid formula is:

.

If so, the above disclosed structure constitutes a brand new solar illuminating device for indoor lighting.

When used, the chasing day controller 2 controls the chasing sun concentrator 1 to be aligned with the sun, so that the chasing concentrator 1 directs sunlight into the filtering/concentrating lens 3, and the sunlight passes through the The filter/concentrating lens 32 enters the optical fiber 4, and the optical fiber 4 is wired indoors to be connected to the illuminator joint 51 of the illuminator 5. The sunlight is reflected by the parabolic surface 52 of the illuminator 5 to illuminate the room. In order to achieve energy saving and carbon saving purposes.

The invention provides a high-efficiency sunlight-inducing device for indoor illumination, which can directly reference sunlight, filter the non-visible spectrum of sunlight by using a membrane filter function, and condense it at a light spot at the entrance of the fiber. The sunlight is allowed to enter the optical fiber, so the device can effectively collect the sunlight outside the house, and guide the collected sunlight to the indoor light through the optical fiber, thereby being able to effectively use the sunlight directly for indoor illumination to achieve Energy saving and carbon saving. The present invention is characterized in that a filter/concentrating lens group is mounted on a daylight concentrator and installed outdoors, and sunlight is collected at the entrance of the optical fiber, and sunlight is introduced into the room via the optical fiber to emit light, which is used as indoor illumination. Accordingly, the features of the present invention are:

1. The thin and lightweight sun-collecting concentrator is easy to install on the exterior wall or roof of the building, which can reduce the fiber consumption by less than 50%.

2. The use of optical fiber can be free from space installation restrictions and high light guiding efficiency.

3. Use a lightweight plastic filter lens to filter out the ultraviolet light and infrared light of the sunlight, so that visible light is introduced into the room through the plastic optical fiber.

4. Use a parabolic illuminator to illuminate the sun evenly.

5. It can directly use sunlight for illumination, which is highly efficient.

In summary, the present invention is a kind of sunlight-inducing indoor lighting device, which can effectively improve various shortcomings of the conventional use, can directly quote sunlight, filter the non-visible spectrum of sunlight by the film filtering function, and gather it. Light at a light spot, the sunlight enters the fiber at the entrance of the fiber, and is guided to the indoor light through the fiber, so that the sunlight can be effectively applied to the indoor lighting to achieve the purpose of energy saving and carbon saving, thereby making the invention The production can be more progressive, more practical, and more in line with the needs of the user. It has indeed met the requirements of the invention patent application, and has filed a patent application according to law.

However, the above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited thereto; therefore, the simple equivalent changes and modifications made in accordance with the scope of the present invention and the contents of the invention are modified. All should remain within the scope of the invention patent.

1‧‧‧Chasing Sun Collector

2‧‧‧Chasing controller

3‧‧‧Filter/concentrating lens unit

4‧‧‧Fiber

5‧‧‧ illuminator

Claims (8)

A solar lighting device for indoor lighting includes:
The sun-collecting concentrator is a dual-axis driving mechanism including an east-west driving mechanism and a north-south driving mechanism. The sun-tracking concentrator has a base, and the east-west driving mechanism is disposed on two sides of the base. The east-west drive mechanism is provided with at least two east-west drive rods and an east-west drive mechanism platform, and the two east-west drive rods are correspondingly connected between the east-west drive mechanism and the east-west drive mechanism platform. One of the things is coupled to the driving gear and the east-west gear, and the east-west driving mechanism is provided with an east-west motor seat, and the east-west motor is provided with an east-west stepping motor. The east-west stepping motor controls the east-west direction driving rod and the east-west driving mechanism platform; the north-south driving mechanism is disposed on the two sides of the east-west driving mechanism platform, and the north-south driving mechanism is provided with at least two a north-south driving rod and a filter/concentrating lens group, and the two north-south driving rods are correspondingly connected between the north-south driving mechanism and the filter/concentrating lens group, wherein The north-south driving rod system is coupled with a north-south gear, and the north-south driving mechanism is provided with a north-south motor seat, and the north-south motor seat is provided with a north-south stepping motor, and the north-south stepping motor is stepped by the north-south direction. a motor controls the north-south drive rod and the filter/concentrating lens group to rotate to guide sunlight into the filter/concentrating lens group;
a chasing day controller is connected to the chasing day concentrator for controlling the chasing sun concentrator to rotate according to the sun trajectory and always aiming at the sun;
The filter/concentrating lens set comprises a collecting cup, a filtering/concentrating lens disposed in the collecting cup, and a fiber connector disposed on the collecting cup for providing sunlight The visible light having a medium wavelength of 400 nm to 750 nm passes;
An optical fiber, one end of which is disposed in the fiber optic connector to transmit light of sunlight; and a light concentrator disposed in the room, including a illuminator connector and a paraboloid, The emitter connector receives the other end of the fiber, and the sunlight reflects the uniform sunlight through the paraboloid to illuminate the room. According to the first aspect of the patent application, the sunlight is applied to the indoor lighting device, wherein the east-west gear system is coupled to the axis of the east-west stepping motor, and the north-south gear system and the north-south stepping motor are Axis connection. According to the first aspect of the patent application, the sunlight is applied to the indoor lighting device, wherein the east-west and north-south stepping motor is electrically connected to the tracking controller. According to the first aspect of the patent application, the sun-lighting indoor lighting device has a microprocessor, a memory, an east-west stepping motor driver, and a north-south stepping device. a motor driver that reads a solar trajectory value in the memory and converts the stepwise direction of the east-west and north-south stepping motor by controlling the east-west and north-south stepping motor driver to drive the motor driver East-west and north-south stepping motors. According to the first aspect of the patent application, the sunlight is applied to the indoor lighting device, wherein the filter/concentrating lens has a light transmitting filter film, which is a coating material or directly a filter/concentrating lens. . According to the first aspect of the patent application, the sunlight is applied to the indoor lighting device, wherein the filtering/concentrating lens is a plano-convex mirror having a concentrating geometric magnification of at least 100 times, which may be a plastic material or directly Filter / concentrating lens. According to the scope of the patent application, the sunlight is applied to the indoor lighting device, wherein the optical fiber is a plastic or liquid material that transmits light with an efficiency of less than 50% per 10 meters. According to the invention of claim 1, the sunlight is applied to the indoor lighting device, wherein the illuminator is a parabolic spherical surface, the inner wall is the paraboloid, and the illuminator joint is used as a supporting illuminator weight.