Spotlight type underground building optical fiber light supplementing system based on sun direction tracking

Abstract

The utility model relates to the field of buildings, in particular to a light supplementing system which comprises a solar condenser and a frame body for supporting the solar condenser. The frame body is connected to the solar condenser through a movable mechanism; an action executing mechanism of the sun tracking system is in driving connection with the movable mechanism; a reflecting mirror is erected at the condensation point position of the solar condenser; an optical fiber bundle is further arranged, and one end face of the optical fiber bundle is called as a front end face and arranged in the middle of the front face of the solar condenser. The solar condenser and the reflector are arranged in a matched mode, and then the condensation point of the reflector is arranged on the front end face of the optical fiber bundle. The optical fiber bundle is divided into at least three bundle branches in a backward extending structure behind the front end face; the end faces of the tail ends of the at least three cluster branches are separately arranged in a room of an underground building; the solar condenser can stably collect sunlight energy to supplement light for underground buildings, and energy of electric lighting is saved.

Description

Technical Field

[0001] The utility model relates to the field of architecture, in particular to a fill light system. Background Art

[0002] Underground buildings usually lack natural light and are still dim during the day. Using electric lighting will increase electricity costs and consume a large amount of energy, which is not in line with the concept of energy conservation and environmental protection.

[0003] However, using the sun as a supplementary light source for underground buildings makes it difficult to transmit the collected sunlight to the underground buildings. Moreover, because the direction of the sun's movement changes at any time, it is difficult to control the lighting effect. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the name of the utility model of this application to avoid blurring the purpose of this section, the abstract of the specification and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the present invention.

[0005] In view of the above problems existing in the prior art, the present utility model is proposed.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0007] A concentrated underground building optical fiber supplementary lighting system based on sun direction tracking includes a solar concentrator and a frame supporting the solar concentrator, wherein the sun-facing side of the solar concentrator is set as the front side and the backlight side is set as the back side;

[0008] The frame is connected to the solar concentrator through a movable mechanism;

[0009] It also includes a sun tracking system, wherein the action execution mechanism of the sun tracking system drives the connecting movable mechanism;

[0010] A reflector is installed at the focusing point of the solar concentrator;

[0011] An optical fiber bundle is also provided, and one end face of the optical fiber bundle, called the front end face, is provided in the middle of the front face of the solar concentrator;

[0012] The solar concentrator is matched with the reflector, and the focusing point of the reflector is set at the front end face of the optical fiber bundle;

[0013] The optical fiber bundle is divided into at least three bundle branches in a structure extending backwards from the front end face;

[0014] The end faces of at least three cluster branches are separately arranged indoors in the underground building.

[0015] The above design, firstly, by setting up a solar tracking system, can control the solar concentrator to face the sun and rotate with the sun, so that the solar concentrator can stably collect solar energy; secondly, a reflector is installed at the concentrator position of the solar concentrator, and the focusing point of the reflector is set at the front end face of the optical fiber bundle, so that the sunlight collected by the solar concentrator can be collected by the optical fiber bundle and transmitted to the underground building through the optical fiber bundle to provide supplementary light for the underground building and save energy for electric lighting; finally, the optical fiber bundle is divided into at least 3 bundle branches, which are arranged separately in the interior of the underground building, so that the light distribution in the underground building is more even.

[0016] Preferably, the solar tracking system also includes a photosensor arranged around the solar concentrator, the sensing surface of the photosensor is aligned with the front face of the solar concentrator, and a sun visor is provided in front of the sensing surface of the photosensor; by providing a sun visor on the photosensor and adjusting the position of the sun visor so that the sun visor is aligned with the sun, the sensing surface of the photosensor is in a shadow area, and when the sun moves, the shadow of the sun visor moves accordingly, the sensing surface is exposed to sunlight, and a deviation signal is emitted, and the solar tracking system controls the movable mechanism to align with the sun to complete tracking.

[0017] Preferably, at least four photosensors are arranged around the solar concentrator; all directions can fully sense the position of the sun to improve the accuracy of sun tracking.

[0018] Preferably, the photosensor is a silicon phototube-type photosensor; the advantages of silicon photoelectric tracking are high sensitivity and convenient structural design.

[0019] Preferably, a through hole is provided at the center of the solar concentrator, the reflecting position of the reflector shines toward the through hole position at the center of the solar concentrator, and the optical fiber bundle passes through the through hole, so that the reflected light of the reflector shines toward the end face of the optical fiber bundle; it is convenient to fix the optical fiber bundle in the through hole of the solar concentrator, thereby improving the convenience of optical fiber bundle installation.

[0020] Preferably, a lampshade is provided on the end surface of the clustering branch; the lampshade can protect the end surface of the clustering branch from being blocked by dust, and the translucent lampshade can be used to soften the light emitted by the clustering branch.

[0021] Preferably, the movable mechanism adopts a two-axis universal joint, which includes a rotating shaft rotatably connected to the frame, called the frame rotating shaft; the two-axis universal joint also includes a rotating shaft rotatably connected to the back of the solar concentrator, called the concentrator rotating shaft; the axial directions of the frame rotating shaft and the concentrator rotating shaft are perpendicular to each other; by setting the two-axis universal joint, the solar concentrator can not only follow the movement of the sun according to the movement trajectory of the sun rising in the east and setting in the west, but also adjust the angle in the north-south direction, so that the sun-facing position of the solar concentrator is more accurate.

[0022] Preferably, the action execution mechanism includes a servo motor connected to the frame, called the frame motor, and a gear is provided on the frame motor, called the frame driving gear; the action execution mechanism includes a gear connected to the frame rotating shaft, called the frame driven gear; the frame driving gear and the frame driven gear are engaged and transmitted; by setting up the frame motor, the frame driving gear can be driven to drive the frame driven gear to rotate, thereby driving the frame rotating shaft to rotate, so as to realize the adjustment of the solar concentrator in one direction to align with the sun.

[0023] Preferably, the action execution mechanism also includes a servo motor connected to the solar concentrator, called a concentrator motor, and a gear is provided on the concentrator motor, called a concentrator driving gear; the action execution mechanism also includes a gear connected to the concentrator rotating shaft, called a concentrator driven gear; the concentrator driving gear and the concentrator driven gear are engaged and transmitted; by setting up a concentrator motor, the concentrator driving gear can be driven to drive the concentrator driven gear to rotate, thereby driving the concentrator rotating shaft to rotate, so as to achieve adjustment of the solar concentrator in another direction to align with the sun, and cooperate with the frame motor to achieve adjustment of the solar concentrator position in the east-west direction and the north-south direction, and the adjustment is more precise.

[0024] Preferably, the solar tracking system includes a photoelectric tracking terminal, the signal output end of the photosensor is connected to the signal input end of the photoelectric tracking terminal, and the signal output end of the photoelectric tracking terminal controls the frame motor and the concentrator motor connected to the action execution mechanism; by setting up the photoelectric tracking terminal, the solar tracking system can adjust the frame motor and the concentrator motor in real time according to the photosensor, thereby realizing automatic adjustment of the position of the solar concentrator and more precise adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without inventive work. Among them:

[0026] Figure 1 A schematic diagram of the light reflection structure of a concentrated underground building optical fiber supplementary lighting system based on sun direction tracking according to an embodiment of the present invention;

[0027] Figure 2 A schematic diagram of the front-side structure of a concentrated optical fiber supplementary lighting system for underground buildings based on sun direction tracking according to an embodiment of the present invention;

[0028] Figure 3 A schematic diagram of the side and rear structure of a concentrated optical fiber supplementary lighting system for underground buildings based on sun direction tracking according to an embodiment of the present invention;

[0029] Figure 4 The utility model provides an embodiment of a concentrated underground building optical fiber supplementary lighting system based on sun direction tracking. Figure 3 A is an enlarged structural diagram. DETAILED DESCRIPTION

[0030] In order to make the above-mentioned purposes, features and advantages of the present invention more understandable, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0031] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0032] Next, the present invention is described in detail with reference to schematic diagrams. For ease of illustration, cross-sectional views of device structures may be partially enlarged and not to scale when describing embodiments of the present invention. Furthermore, the schematic diagrams are merely illustrative and should not limit the scope of protection of the present invention. Furthermore, in actual production, three-dimensional dimensions, including length, width, and depth, should be included.

[0033] Furthermore, the term "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that may be included in less than one implementation of the present invention. The phrase "in one embodiment" appearing in various places throughout this specification does not necessarily refer to the same embodiment, nor does it necessarily refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0034] Example 1

[0035] Reference Figure 1 and Figure 2The invention discloses a concentrating optical fiber supplementary lighting system for underground buildings based on sun direction tracking, comprising a solar concentrator 1 and a frame 2 supporting the solar concentrator 1. The sun-facing side of the solar concentrator 1 is set as the front side, and the backlight side is set as the back side.

[0036] The frame 2 is connected to the solar concentrator 1 through a movable mechanism 3; it also includes a solar tracking system, and the action execution mechanism of the solar tracking system drives the connected movable mechanism 3; a reflector is set at the focusing point position of the solar concentrator 1; an optical fiber bundle 4 is also provided, and one end face of the optical fiber bundle 4, called the front end face, is set in the middle of the front of the solar concentrator 1; the solar concentrator 1 is matched with the reflector, and the focusing point of the reflector is set at the front end face of the optical fiber bundle 4; the optical fiber bundle 4 is divided into at least 3 bundle branches 41 in a structure extending backward from the front end face; the end faces of at least 3 bundle branches 41 are separately arranged in the underground building indoors of a building; firstly, by setting up a solar tracking system, the solar concentrator 1 can be controlled to face the sun and rotate with the sun, so that the solar concentrator 1 can stably collect solar energy; secondly, a reflector is set at the concentrator position of the solar concentrator 1, and the focusing point of the reflector is set at the front end face of the optical fiber bundle 4, so that the sunlight collected by the solar concentrator 1 can be collected by the optical fiber bundle 4 and transmitted to the underground building through the optical fiber bundle 4 to supplement the lighting of the underground building and save energy for electric lighting; finally, the optical fiber bundle 4 is divided into at least 3 bundle branches 41, which are separately arranged in the indoors of the underground building, so that the light distribution in the underground building is more even.

[0037] The solar tracking system also includes a photosensor arranged around the solar concentrator 1. The sensing surface of the photosensor is aligned with the front face of the solar concentrator 1, and a sun visor is provided in front of the sensing surface of the photosensor. By providing a sun visor on the photosensor and adjusting the position of the sun visor so that the sun visor is aligned with the sun, the sensing surface of the photosensor is in the shadow area. When the sun moves, the shadow of the sun visor moves accordingly, the sensing surface is exposed to sunlight, and a deviation signal is emitted. The solar tracking system controls the tracking device to align with the sun to complete the tracking.

[0038] At least four light-sensitive sensors are arranged around the solar concentrator 1; they can fully sense the position of the sun in all directions to improve the accuracy of sun tracking.

[0039] The photosensor adopts a silicon phototube type photosensor; the advantages of silicon photoelectric tracking are high sensitivity and convenient structural design.

[0040] A through hole is provided at the center of the solar concentrator 1. The reflecting position of the reflector shines toward the through hole position at the center of the solar concentrator 1. The optical fiber bundle 4 passes through the through hole, so that the reflected light of the reflector shines toward the end face of the optical fiber bundle 4; it is convenient to fix the optical fiber bundle 4 in the through hole of the solar concentrator 1, thereby improving the convenience of installation of the optical fiber bundle 4.

[0041] A lampshade 42 is provided on the end surface of the clustering branch 41 ; the lampshade 42 can protect the end surface of the clustering branch 41 from being blocked by dust, and the translucent lampshade 42 can soften the light emitted by the clustering branch 41 .

[0042] When in use, when the solar tracking system is working, first point the solar concentrator 1 towards the sun, the sensing surface of the photosensor is also towards the sun, adjust the position of the sunshade so that the sunshade is aimed at the sun, and the sensing surface of the photosensor is in the shadow area. When the sun moves, the shadow of the sunshade moves accordingly, the sensing surface is exposed to sunlight, and a deviation signal is sent out. The solar tracking system controls the movable mechanism 3, moves the solar concentrator 1 to aim at the sun, and the solar concentrator 1 converges the sunlight onto the reflector, and the reflector reflects the converged sunlight onto the front end face of the optical fiber bundle 4. The optical fiber bundle 4 is divided into at least 3 bundle branches 41, and the bundle branches 41 are arranged separately in the room of the underground building, so that the light distribution in the underground building is more uniform. The lampshade 42 can protect the end face of the bundle branch 41 from being blocked by dust, and the translucent lampshade 42 can be used to soften the light emitted by the bundle branch 41; thereby, the solar concentrator 1 can stably collect sunlight energy to supplement the light of the underground building, saving energy for electric lighting.

[0043] Example 2

[0044] Reference Figure 3 and Figure 4 , which is the second embodiment of the present utility model, and this embodiment is based on the previous embodiment.

[0045] The movable mechanism 3 adopts a two-axis universal joint, which includes a rotating shaft rotatably connected to the frame 2, called the frame rotating shaft 31; the two-axis universal joint also includes a rotating shaft rotatably connected to the back of the solar concentrator 1, called the concentrator rotating shaft 32; the axial directions of the frame rotating shaft 31 and the concentrator rotating shaft 32 are perpendicular to each other; by setting the two-axis universal joint, the solar concentrator 1 can not only follow the movement of the sun according to the movement trajectory of the sun rising in the east and setting in the west, but also adjust the angle in the north-south direction, so that the sun-facing position of the solar concentrator 1 is more accurate.

[0046] The action execution mechanism includes a servo motor connected to the frame 2, called the frame motor, and a gear is provided on the frame motor, called the frame driving gear 51; the action execution mechanism includes a gear connected to the frame rotating shaft 31, called the frame driven gear 52; the frame driving gear 51 and the frame driven gear 52 are engaged and transmitted; by setting up the frame motor, the frame driving gear 51 can be driven to drive the frame driven gear 52 to rotate, thereby driving the frame rotating shaft 31 to rotate, so as to achieve adjustment of one direction of the solar concentrator 1 to align with the sun.

[0047] The action execution mechanism also includes a servo motor connected to the solar concentrator 1, called the concentrator motor, and a gear is provided on the concentrator motor, called the concentrator driving gear 53; the action execution mechanism also includes a gear connected to the concentrator shaft 32, called the concentrator driven gear 54; the concentrator driving gear 53 is engaged with the concentrator driven gear 54 for transmission; by setting up the concentrator motor, the concentrator driving gear 53 can be driven to drive the concentrator driven gear 54 to rotate, thereby driving the concentrator shaft 32 to rotate, so as to achieve adjustment of the solar concentrator 1 in another direction to align with the sun, and cooperate with the frame motor to achieve adjustment of the position of the solar concentrator 1 in the east-west direction and the north-south direction, and the adjustment is more precise.

[0048] The solar tracking system includes a photoelectric tracking terminal. The signal output end of the photosensor is connected to the signal input end of the photoelectric tracking terminal. The signal output end of the photoelectric tracking terminal controls the frame motor and the concentrator motor connected to the action actuator. By setting up the photoelectric tracking terminal, the solar tracking system can adjust the frame motor and the concentrator motor in real time according to the photosensor, thereby automatically adjusting the position of the solar concentrator 1 and making the adjustment more precise.

[0049] When in use, the photoelectric tracking terminal receives the signal from the photosensor to control the servo motor and the concentrator motor. The frame motor can drive the frame active gear 51 to drive the frame driven gear 52 to rotate the frame motor and the concentrator motor, thereby driving the frame shaft 31 to rotate, so as to adjust the solar concentrator 1 in one direction to align with the sun; the concentrator motor can drive the concentrator active gear 53 to drive the concentrator driven gear 54 to rotate, thereby driving the concentrator shaft 32 to rotate, so as to adjust the solar concentrator 1 in the other direction to align with the sun, and cooperate with the frame motor to adjust the position of the solar concentrator 1 in the east-west direction and the north-south direction, with more precise adjustment. During use, it is necessary to continuously track the sun in both azimuth and altitude, so that the energy collector is always aligned with the sun from sunrise to sunset, so as to improve the utilization rate of solar energy.

[0050] It is important to note that the configuration and arrangement of the present application, as illustrated in various exemplary embodiments, are illustrative only. Although only a few embodiments are described in detail in this disclosure, those reading this disclosure should readily appreciate that numerous modifications are possible without materially departing from the novel aspects and advantages of the subject matter described herein. For example, variations in the size, dimensions, structure, shape, and proportions of various components, as well as parameter values such as temperature, pressure, mounting arrangements, use of materials, color, and orientation are possible. For example, components shown as integrally formed may be constructed from multiple parts or components, the positions of components may be inverted or otherwise altered, and the nature, number, or position of discrete components may be modified or changed. Therefore, all such modifications are intended to be encompassed within the scope of this disclosure. The order or sequence of any process or method steps may be altered or reordered according to alternative embodiments. In the claims, any "means-plus-function" clause is intended to cover structures that perform the functions described herein, and not only structural equivalence but also structural equivalents. Other substitutions, modifications, changes, and omissions may be made in the design, operating conditions, and arrangement of the exemplary embodiments without departing from the scope of this disclosure. Therefore, the invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0051] Additionally, in order to provide a concise description of the exemplary embodiments, all features of the actual embodiment may not be described, ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention.

[0052] It should be understood that in the development of any actual embodiment, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but for those of ordinary skill having the benefit of this disclosure, the development effort will be a routine task of design, fabrication, and production without undue experimentation.

[0053] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, and all of these should be included in the scope of the claims of the present invention.

Claims

1. A sun-tracking concentrated optical fiber supplemental lighting system for underground buildings, comprising a solar concentrator and a frame supporting the solar concentrator, wherein the sun-facing side of the solar concentrator is set as the front side and the backlight side is set as the back side, and is characterized by: The frame is connected to the solar concentrator through a movable mechanism; It also includes a sun tracking system, wherein the action execution mechanism of the sun tracking system drives the connecting movable mechanism; A reflector is installed at the focusing point of the solar concentrator; An optical fiber bundle is also provided, and one end face of the optical fiber bundle, called the front end face, is provided in the middle of the front face of the solar concentrator; The solar concentrator is matched with the reflector, and the focusing point of the reflector is set at the front end face of the optical fiber bundle; The optical fiber bundle is divided into at least three bundle branches in a structure extending backwards from the front end face; The end faces of at least three cluster branches are separately arranged indoors in the underground building.

2. The sun-tracking-based concentrated underground building optical fiber supplementary lighting system according to claim 1, characterized in that: The solar tracking system further comprises a photosensor arranged around the solar concentrator, the sensing surface of the photosensor is aligned with the front face of the solar concentrator, and a sunshade is arranged in front of the sensing surface of the photosensor.

3. The sun-tracking-based concentrated underground building optical fiber supplementary lighting system according to claim 2, characterized in that: At least four of the photosensors are arranged in an array around the solar concentrator.

4. The sun-tracking-based concentrated underground building optical fiber supplemental lighting system according to claim 2, characterized in that: The photosensor is a silicon phototube photosensor.

5. The sun-tracking-based concentrated underground building optical fiber supplementary lighting system according to claim 1, characterized in that: A through hole is provided at the center of the solar concentrator, the reflecting position of the reflector shines toward the through hole position at the center of the solar concentrator, and the optical fiber bundle passes through the through hole, so that the reflected light of the reflector shines toward the end face of the optical fiber bundle.

6. The sun-tracking-based concentrated underground building optical fiber supplemental lighting system according to claim 1, characterized in that: The terminal end surfaces of the cluster branches are covered with a lampshade.

7. The sun-tracking-based concentrated underground building optical fiber supplemental lighting system according to claim 2, characterized in that: The movable mechanism adopts a dual-axis universal joint, which includes a rotating shaft rotatably connected to the frame, called the frame rotating shaft; The dual-axis universal joint further includes a rotating shaft rotatably connected to the back of the solar concentrator, referred to as the concentrator rotating shaft; The axis directions of the frame rotation axis and the concentrator rotation axis are perpendicular to each other.

8. The sun-tracking-based concentrated underground building optical fiber supplemental lighting system according to claim 7, characterized in that: The action execution mechanism includes a servo motor connected to the frame, called the frame motor, and a gear is provided on the frame motor, called the frame driving gear; The action execution mechanism includes a gear connected to the frame shaft, which is called the frame driven gear; The frame driving gear and the frame driven gear are meshed for transmission.

9. The sun-tracking-based concentrated underground building optical fiber supplementary lighting system according to claim 8, characterized in that: The action execution mechanism further includes a servo motor connected to the solar concentrator, called a concentrator motor, and a gear is provided on the concentrator motor, called a concentrator driving gear; The action execution mechanism further includes a gear connected to the concentrator shaft, called a concentrator driven gear; The concentrator driving gear and the concentrator driven gear are meshed for transmission.

10. The sun-tracking-based concentrated underground building optical fiber supplementary lighting system according to claim 9, characterized in that: The solar tracking system includes a photoelectric tracking terminal, the signal output end of the photosensor is connected to the signal input end of the photoelectric tracking terminal, and the signal output end of the photoelectric tracking terminal controls the frame motor and the concentrator motor connected to the action execution mechanism.

Images