TWI544739B - Light collection device and light collection system - Google Patents

Description

Light collecting device and light collecting system

The invention relates to a concentrator, in particular to a concentrating device and a concentrating system for collecting and storing energy.

Solar energy is one of the important energy sources. It is a clean and environmentally friendly energy source. Solar energy is both a supplementary energy that is urgently needed in the near future and the basis of the future energy structure. Conventional concentrators collect light through a lens into a concentrator, concentrate on one or one side, and remit it out from the exit, which can collect and utilize sunlight. However, the conventional concentrator has a single function, and it can only utilize a light source that can be concentrated on a specified surface or a designated point, and the remaining light sources that cannot be concentrated on a designated surface or a designated point are not collected and utilized, resulting in waste.

The technical problem to be solved by the present invention is to provide a light collecting device with simple structure and various functions, which can collect light and store energy to realize the maximum utilization of sunlight.

The technical problem to be solved by the present invention is also to provide a light collecting device which can efficiently collect and store energy when the sunlight is insufficient.

The technical problem to be solved by the present invention is also to provide the use of the above The light collecting system of the light collecting device.

In order to solve the above problems, the present invention provides a light collecting device, comprising at least one accommodating space; at least one optical structural component is disposed on the accommodating space; at least one energy conversion component is disposed in the accommodating space Internally for converting energy into electrical energy; at least one energy storage unit for storing electrical energy generated by the energy conversion element; and at least one conducting unit comprising at least one light guiding element and at least one conductive element. Wherein, the energy conversion element is a photoelectric conversion device that converts sunlight into electric energy.

In an embodiment of the present invention, the light collecting device further includes at least one light source component disposed in the accommodating space; the light source component is connected to the energy conversion component, and is re-lighted by the energy of the energy conversion component .

In an embodiment of the invention, the light collecting device is an active sun-collecting device or a passive sun-collecting device.

In an embodiment of the invention, the optical structural element is an optical structure that concentrates and disperses light into parallel light, or the surface of the optical structural element is provided with a microstructure.

In an embodiment of the invention, the optical structural element is further provided with a coating for filtering ultraviolet rays, the coating being a titanium dioxide and/or a PC film.

In an embodiment of the invention, the light guiding element is an element made of a highly reflective material, and the element made of a highly reflective material comprises an optical fiber and a light guiding tube.

In an embodiment of the present invention, the light collecting device further includes an inductive component, and the sensing component detects that the indoor light is insufficient, and starts the energy storage unit to provide energy. Source to indoor lighting.

In an embodiment of the invention, the light collecting device further includes a control unit that adjusts light intensity and brightness.

In an embodiment of the invention, the light collecting device further includes a backup unit, and the light collecting device activates the backup unit when the light is insufficient.

Correspondingly, the present invention further provides a concentrating system, comprising: at least one concentrating device, the concentrating device comprising at least one accommodating space, at least one optical structural component disposed on the accommodating space, at least one energy source a conversion component disposed in the accommodating space for converting energy into electrical energy, at least one energy storage unit for storing electrical energy generated by the energy conversion component, and at least one conducting unit, including at least one light guiding component And at least one conductive element; at least one sensing device for sensing a maximum value of the light collecting device facing the sun; at least one conducting device comprising at least one light guiding unit and at least one conductive unit; at least one control device For adjusting the intensity of light and light; and a rotating device and a moving device for driving the light collecting system to move. Wherein, the energy conversion element is a photoelectric conversion device that converts sunlight into electric energy.

In an embodiment of the present invention, the light collecting device further includes at least one light source component disposed in the accommodating space; the light source component is connected to the energy conversion component, and is re-lighted by the energy of the energy conversion component .

In an embodiment of the invention, the light collecting device is an active sun-collecting device or a passive sun-collecting device.

In an embodiment of the invention, the optical structural component is a light set The optical structure is dispersed into parallel light, or the surface of the optical structural element is provided with a microstructure.

In an embodiment of the invention, the optical structural element is further provided with a coating for filtering ultraviolet rays, the coating being a titanium dioxide and/or a PC film.

In an embodiment of the invention, the light guiding element is an element made of a highly reflective material, and the element made of a highly reflective material comprises an optical fiber and a light guiding tube.

In an embodiment of the invention, the light collecting device further includes an inductive component that activates the energy storage unit to provide energy to the indoor light fixture when the indoor light is insufficient.

In an embodiment of the invention, the light collecting device further includes a control unit that adjusts light intensity and brightness.

In an embodiment of the invention, the light collecting device further includes a backup unit, and the light collecting device activates the backup unit when the light is insufficient.

1‧‧‧Light collecting device

11‧‧‧Optical structural components

12‧‧‧Energy conversion components

13‧‧‧ accommodating space

14‧‧‧Transmission unit

141‧‧‧Light guiding elements

142‧‧‧Conducting components

15‧‧‧ Energy storage unit

16‧‧‧Light source components

17‧‧‧Inductive components

18‧‧‧Control unit

19‧‧‧Backup unit

2‧‧‧Sensing device

3‧‧‧Rotating device

4‧‧‧Transmission device

5‧‧‧Control device

6‧‧‧Mobile devices

Fig. 1 is a cross-sectional view showing a first embodiment of a light collecting device of the present invention.

Fig. 2 is a cross-sectional view showing a second embodiment of a light collecting device of the present invention.

Figure 3 is a wire block diagram of a third embodiment of a light collecting device of the present invention.

Figure 4 is a cross-sectional view showing a conducting unit of a light collecting device of the present invention.

Figure 5 is a front elevational view of a light collecting system of the present invention.

Fig. 6 is a perspective view of the light collecting system shown in Fig. 5.

Referring to FIG. 1 , the present invention provides a first embodiment of a light collecting device 1 , comprising: at least one accommodating space 13 ; at least one optical structural component 11 disposed on the accommodating space 13 ; at least one energy conversion component 12, disposed in the accommodating space 13 for converting energy into electrical energy; at least one energy storage unit 15 for storing electrical energy generated by the energy conversion element 12, and at least one conducting unit 14, including at least one Light guiding element 141 and at least one conductive element 142. The optical structural element 11 is an optical structure that concentrates and disperses light into parallel light, or a microstructure is provided on the surface of the optical structural element 11, but is not limited thereto. More preferably, the optical structural component 11 is a common lens (including a double concave mirror, a flat concave mirror, a concave convex mirror, a convex lens, etc.), a Fresnel lens, or a coated glass, which can better concentrate sunlight and is effective. Improve the utilization of sunlight. Further, the optical structural component 11 is further provided with a coating for filtering ultraviolet rays, which can filter light, thereby effectively improving the utilization of sunlight. The coating may be coated or plated on the surface of the optical structural element 11. Among them, the coating may be selected from titanium dioxide and/or PC films, but is not limited thereto. It should be noted that the PC film is an abbreviation for polycarbonate film. The energy conversion element 12 is a photoelectric conversion device that converts sunlight into electric energy, but is not limited thereto. It should be noted that the photoelectric conversion device preferably uses a solar panel including, but not limited to, a germanium-based semiconductor battery, a CdTe thin film battery, a CIGS thin film battery, a dye-sensitized thin film battery, an organic material battery, and the like.

Referring to FIG. 4 , the conducting unit 14 includes at least one light guiding element 141 and at least one conductive element 142 . The light guiding element 141 is preferably made of a highly reflective material, and the component made of a highly reflective material includes light. Fiber, light pipe, but not limited to this. The conductive member 142 is preferably made of a metal material, but is not limited thereto. In summary, the present invention provides a light collecting device 1 that collects light and stores energy. The sunlight passes through the optical structural component 11 into the accommodating space 13, and a part of the light source directly transmits light through the light guiding component 141 in the conducting unit 14. Avoid the loss during the secondary conversion process and introduce sunlight into the room. At the same time, the remaining light source converts the solar energy into electrical energy through the energy conversion component 12, and then uses the conductive component 142 in the conducting unit 14 to conduct the converted electrical energy to the energy storage unit 15 for storage to provide electrical energy to the entire system, or when the light is insufficient. Fill light. Further, the light collecting device 1 may be an active daylight collecting device or a passive daylight collecting device. More preferably, the light collecting device 1 is an active daylight collecting device. Generally, the effective photoelectric conversion time of the passive sun-collecting device is only about 3 hours, and the active day-harvesting light collecting device using the chasing device is always facing the sun, which lengthens the effective photoelectric conversion time. It can reach 12 hours in summer and 8 hours in winter. Thereby, the photoelectric conversion efficiency is greatly improved, and the photoelectric conversion efficiency can be effectively increased by more than 30%.

Referring to FIG. 2, the present invention provides a second embodiment of a light collecting device. The light collecting device 1 further includes at least one light source component 16 disposed in the receiving device. Within the space 13; the light source element 16 is connected to the energy conversion element 12, and is again lighted by the energy of the energy conversion element 12 to effectively supplement the light source. Wherein, part of the supplemental light source directly transmits light through the light guiding element 141 in the conducting unit 14, avoiding loss during the secondary conversion process, and introducing light into the room. At the same time, the remaining supplemental light source converts the solar energy into electrical energy through the energy conversion element 12, and then utilizes the conductive element 14 in the conducting unit 14. 2 Conducting the converted electrical energy to the energy storage unit 15 for storage. Therefore, the light source element 16 can fill light in time, making the present invention more efficient in collecting and storing energy, especially when the sunlight is insufficient. Preferably, the light source component 16 selects an LED lamp, and the LED has good illumination effect and is relatively power-saving. It should be noted, however, that other illuminable components such as incandescent lamps, fluorescent lamps, and the like can be utilized in the present invention, and embodiments thereof are not limited to the illustrated embodiments.

Referring to FIG. 3, the present invention provides a third embodiment of a light collecting device. In contrast to the first embodiment shown in FIG. 1, the light collecting device further includes an inductive element 17, a control unit 18, and a backup unit 19. When the sensing component 17 detects that the indoor light is insufficient, the energy storage unit 15 is activated to provide energy to the indoor lighting fixture. The sensing element 17 preferably uses an optical coupling transistor or a photoresistor, but is not limited thereto. The control unit 18 adjusts the intensity of the light by controlling the voltage or current or by other means. The light collecting device 1 activates the backup unit 19 when the light is insufficient. The backup unit 19 preferably uses a battery, a generator, or a commercial power, but is not limited thereto. In summary, the light collecting device 1 of the present invention has a simple structure and various functions, and can directly transmit sunlight through the conducting unit, collect solar energy to store power, and provide power to the entire system to become a set of free electricity. The light device realizes the maximum use of sunlight.

Referring to FIG. 5 and FIG. 6 , the present invention further provides a light collecting system, comprising: at least one light collecting device 1 , the light collecting device 1 includes at least one receiving space; at least one optical structural component is disposed in the receiving device Above the space; at least one energy conversion component is disposed in the accommodating space for converting energy into electrical energy; at least one An energy storage unit for storing electrical energy generated by the energy conversion element, and at least one conducting unit comprising at least one light guiding element and at least one conductive element; at least one for sensing a maximum value of the light collecting device 1 facing the sun Sensing device 2; at least one conducting device 4, the conducting device 4 includes at least one light guiding unit and at least one conductive unit; at least one control device 5, by adjusting light intensity; and a rotating device 3 and a moving device 6 Used to drive the light collection system to move. The sensing device 2 preferably uses an optical coupling transistor or a photoresistor, but is not limited thereto. When the sensing device 2 senses that the light is insufficient, the control device 5 is activated. However, the control device 5 adjusts the light intensity according to the control voltage or current or by other means. The light collecting system senses the maximum value of the current surface sun by the sensing device 2, moves the Y axis through the rotating device 3, and moves the X axis through the moving device 6, so that the light collecting device 1 always faces the sun and enhances the sunlight. usage efficiency. The sunlight is collected by a plurality of light collecting devices 1 , wherein a part of the light sources are directly transmitted through the light guiding elements of the conducting units in the light collecting device 1 , and then the sunlight is guided through the light guiding unit of the conducting device 4 into the room. At the same time, the remaining light source converts the solar energy into electrical energy through the energy conversion component, and then uses the conductive element of the conducting unit in the light collecting device 1 to conduct the converted electrical energy to the energy storage unit for storage, and the energy storage unit is then conducted through the conductive unit of the conducting device 4. powered by. When the directly used sunlight (that is, the sunlight that directly transmits light through the light guiding element in the conducting unit) is insufficient, the voltage or current is controlled by the control device 5 or the energy output of the energy storage unit is further used by other means. To adjust the intensity of light and light. It should be noted that the light collecting device 1 in the light collecting system may adopt the light collecting device of any of the above embodiments, as shown in FIG. 1 to FIG. 4 , and details are not described herein.

The present invention has the following beneficial effects: the present invention provides a light collecting device that collects light and stores energy. The sunlight passes through the optical structural component into the accommodating space, and some of the light sources are directly transmitted through the light guiding component in the conducting unit. Light, avoiding losses during the secondary conversion process, and introducing sunlight into the room. At the same time, the remaining light source converts the solar energy into electrical energy through the energy conversion component, and then uses the conductive element in the conducting unit to conduct the converted electrical energy to the energy storage unit for storage to provide electrical energy to the entire system, or to fill light when the light is insufficient. Further, the optical structural element is preferably an optical structure that concentrates and disperses light into parallel light, or has a microstructure on the surface, or is provided with a coating that filters ultraviolet rays, which can better concentrate sunlight and filter light, thereby effectively improving The utilization of sunlight. In addition, in order to efficiently collect and store energy when the sunlight is insufficient, the light collecting device of the present invention is provided with a light source component, and the light source component can be re-lighted by the energy of the energy conversion component, thereby effectively supplementing the light source, thereby making the invention more Efficient collection and storage, especially when there is insufficient sunlight. In summary, the light collecting device of the present invention has a simple structure and various functions, and can directly transmit sunlight through a conducting unit, and can collect solar energy to store power, provide power to the entire system, and become a light-free collecting device. The maximum use of sunlight. Similarly, the present invention also provides a light collecting system using the above-mentioned light collecting device, wherein the sensing device senses the maximum value of the current surface sun, and the moving device moves the direction through the rotating device to make the light collecting device always face the sun and raise the sun. Light utilization efficiency. The sunlight is collected by a plurality of light collecting means, wherein part of the light source is directly transmitted through the light guiding element of the conducting unit in the light collecting means, and then the sunlight is guided into the room through the light guiding unit of the conducting means. At the same time, the remaining light source will pass through the energy conversion component too The yang energy is converted into electrical energy, and the converted electrical energy is transmitted to the energy storage unit by using the conductive elements of the conducting unit in the concentrating device, and the energy storage unit is then powered by the conductive unit of the conducting device. When the directly used sunlight (that is, the sunlight that directly transmits light through the light guiding element in the conducting unit) is insufficient, the voltage or current is controlled by the control device or the energy output of the energy storage unit is used by other means to Adjust the light intensity and brightness.

In summary, the present invention has indeed met the requirements of the invention patent application, and has filed a patent application according to law. The above is only the preferred embodiment of the present invention, and the scope of the invention is not limited thereto; therefore, the simple equivalent changes and modifications made by the scope of the invention and the description of the invention are All should remain within the scope of the invention patent.

1‧‧‧Light collecting device

11‧‧‧Optical structural components

12‧‧‧Energy conversion components

13‧‧‧ accommodating space

14‧‧‧Transmission unit

15‧‧‧ Energy storage unit

Claims (10)

A light collecting device having: at least one accommodating space; at least one optical structural component disposed on the accommodating space; at least one energy conversion component disposed in the accommodating space for converting energy into At least one energy storage unit for storing electrical energy generated by the energy conversion component; at least one conductive unit comprising at least one light guiding component and at least one conductive component, the at least one light guiding component connecting the at least one receiving space The at least one conductive element is connected to the at least one energy storage unit and the at least one energy conversion component; and the at least one light source component is disposed in the at least one accommodating space, the at least one light source component and the at least one energy storage unit Connected, the at least one light source component emits light by using the electric energy converted by the at least one energy conversion component, a part of the light emitted by the at least one light source component is transmitted to the at least one light guiding component, and the other part of the at least one light source component The emitted light is converted into electrical energy via the at least one energy conversion element, and the at least one energy source is converted by the at least one conductive element Power transmission member to convert the at least one energy storage unit. A light collecting device according to claim 1, wherein the at least one light source element is connected to the at least one energy conversion element. A light collecting device according to claim 1 or 2, wherein the light collecting device is an active sun-collecting device or a passive sun-collecting device. A light collecting device according to claim 3, wherein the optical structural element is an optical structure that concentrates and disperses light into parallel light, or a surface of the optical structural element is provided with a microstructure. A light collecting device according to claim 4, wherein the optical structural member is further provided with a coating for filtering ultraviolet rays, and the coating is a titanium dioxide and/or a PC film. A light collecting device according to claim 3, wherein the light guiding element is an element made of a highly reflective material, and the element made of a highly reflective material comprises an optical fiber and a light guiding tube. A light collecting device according to claim 3, wherein the light collecting device further comprises an inductive component, wherein the detecting component detects that the indoor light is insufficient, and activates the energy storage unit to provide energy to the indoor light fixture. A light collecting device according to claim 3, wherein the light collecting device further comprises a control unit that adjusts light intensity and brightness. A light collecting device according to claim 3, wherein the light collecting device further comprises a backup unit, and the light collecting device activates the backup unit when the light is insufficient. A light collecting system, comprising: at least one light collecting device according to any one of claims 1 to 9; at least one sensing device for sensing a maximum value of the light collecting device facing the sun; a control device for adjusting light intensity and brightness; and a rotating device and a moving device for driving the light collecting system to move.