TWI484130B - Day chase device - Google Patents

Description

Chasing device

The invention relates to a sun-tracking device; in particular to a structural type designer of an innovative sun-tracking device with simple structure, reduced cost and convenient assembly.

According to the so-called chasing device (or chasing system), it is usually used in the solar photovoltaic system architecture. Its function is mainly to sense the sunlight angle, and then control the steering mechanism of the solar photovoltaic system, so that the light receiving part of the system can be automatically Chasing the sun's angle and maintaining the best light-receiving state of the sun's angle in the normal state.

At present, there are many structural types that can be seen in the Japanese-following device. However, there are still some areas for improvement. The reason is that the tracking device is only a small part of the sensing unit in the solar photovoltaic system. However, how to achieve the precise sensing function that should be achieved by the simplest, least space-consuming, and easy to manufacture and assembled structural form is obviously the most ideal goal that the relevant industry hopes for; however, looking at the conventional knowledge Most of the chasing devices still have problems and disadvantages such as too complicated structure, large size and space, difficulty in manufacturing and assembly, and inconsistent with better industrial economic benefits.

Therefore, in view of the problems existing in the above-mentioned conventional Japanese-tracking devices, how to develop an innovative structure with more ideal and practicality, it is necessary for the relevant industry to think about the goals and directions of breakthrough.

In view of this, the inventor has been engaged in the manufacturing development and design experience of related products for many years. After detailed design and careful evaluation, the inventor has finally obtained the practical invention.

The main object of the present invention is to provide a sun-tracking device, and the problem to be solved is to think about how to develop a new type of sun-tracking device structure type with more ideal practicability; The technical feature of the problem is mainly that the sun-tracking device comprises: a base disposed at the bottom of the sun-tracking device, including a placing portion and a mounting surface; and a cover shell having an opaque material and a hollow shell The body type cover is disposed on the mounting surface of the base, and a light introduction hole is arranged in the center of the top of the cover; a central sensor is a light sensor, is disposed on the mounting surface of the base, and the center sensor The setting position is vertically spaced corresponding to the light introduction hole provided in the cover; a central light transmitting portion is formed between the center sensor and the light introduction hole to allow the external sunlight to pass through the light introduction hole at a vertical projection angle Capable of penetrating down to the center sensor; at least two side sensors, which are light sensors, are disposed on the mounting surface of the base, and the two side sensors are respectively located at relatively spaced positions of the center sensor; Bilateral side light guiding member The two sides of the mounting surface of the base are disposed between the two side sensors and the cover, and the two side light guiding members are respectively located at opposite lateral positions of the central light transmitting portion, and the side light guiding members are respectively disposed. The utility model comprises a vertical inner side wall, a bottom end surface and an curved outer side wall. The bottom end surface is opposite to the side sensor, and the curved outer side wall is provided with a light reflecting layer, and the incident light can be directed to the side sensor. Reflecting in a direction; a central light blocking layer is disposed between the central light transmitting portion and the vertical inner side walls of each of the side light guiding members to form a light blocking function between the central light transmitting portion and the side light guiding member And a spacing is provided between the top end of the central light blocking layer and the light introducing hole provided in the cover; at least the two side light transmitting portions are formed by the light receiving holes of the top end of the central light blocking layer and the cover The spacing between the two is relatively formed to be the external day When the oblique projection angle of light passes through the light introduction hole, it can be injected into the lateral side light guiding member through one of the side light transmitting portions; thereby, the innovative unique design makes the present invention compare with the prior art. , 俾 can make the chasing device achieve the advantages of simple structure, reduced manufacturing cost and accurate optical sensing effect.

Please refer to the first, second, and third embodiments, which are preferred embodiments of the present invention, but the embodiments are for illustrative purposes only, and are not limited by the structure in the patent application; The Japanese device A controls the steering mechanism of a solar photovoltaic system by sensing the angle of sunlight, so that the light receiving portion of the system can automatically chase the sun angle to maintain the optimal light receiving state of the sun angle in a normal state, which is characterized by the chasing date. The device A includes a base 10 disposed at the bottom of the sun-tracking device A. The base 10 includes a mounting portion 11 and a mounting surface 12, and a cover 20 is a light-tight material and has a hollow shell. The body cover is assembled on the mounting surface 12 of the base 10, and a light introduction hole 21 is disposed in the center of the top of the cover 20. As shown in Figures 1 and 2, the cover 20 can be arcuate. The type, so that when it rains, the rainwater can flow down the edge of the arc to achieve the dust-proof effect of avoiding the accumulation of water and washing the cover 20 with rainwater, but is not limited to this type; a central sensor 30 , the light sensor is disposed on the mounting surface 12 of the base 10, and the center is sensed Based installation position 30 and the housing 20 of the light introducing hole 21 arranged in a vertical spaced relation correspondence; A central light transmitting portion 31 is formed between the center inductor 30 and the light introducing hole 21 in a solid or hollow light transmitting body shape so as to be able to pass downward when the external sunlight passes through the light introducing hole 21 at a vertical projection angle. The at least two side sensor 40 is a light sensor disposed on the mounting surface 12 of the base 10, and the two side sensors 40 are respectively located at the center sensor 30. At least the two side-side light guiding members 50 are disposed between the two side sensors 40 of the mounting surface 12 of the base 10 and the casing 20, and the two deflecting side light guiding members 50 are respectively located. At the opposite lateral positions of the central light transmitting portion 31, the two deflecting side light guiding members 50 are formed of a solid (as shown in FIG. 2) or a hollow (as shown in FIG. 8). The side light guiding members 50 each include a vertical inner side wall 51, a bottom end surface 52 and an curved outer side wall 53, wherein the bottom end surface 52 is opposite to the side sensor 40, and the curved outer side wall 53 is A light reflecting layer 54 is disposed to reflect the incident light toward the side of the side sensor 40; a central light blocking layer 60 is an opaque material Between the central light transmitting portion 31 and the vertical inner side wall 51 of each of the side light guiding members 50, a light blocking function is formed between the central light transmitting portion 31 and the side light guiding member 50, and the center is formed. A distance is left between the top end of the light blocking layer 60 and the light introducing hole 21 provided in the casing 20; at least the second side light transmitting portion 70 is provided by the top end of the central light blocking layer 60 and the cover 20 The spacing between the introduction holes 21 is oppositely formed so that when the external sunlight passes through the light introduction hole 21 at an oblique projection angle, one of the side light penetration portions 70 can be incident on the lateral side. In the light guiding member 50.

As shown in FIG. 7, the side sensor 40 can be a set type in which two sets are arranged in a 180° relationship, or as shown in FIG. 6, a set type in which four sets are arranged in a 90° relationship. And by the arrangement relationship between the side sensor 40 and the center inductor 30, both of them can be disposed on the same circuit board, thereby simplifying the circuit and facilitating the manufacture.

As shown in FIG. 2, the curved outer side wall 53 of the side light guiding member 50 can be a double slope arc surface type formed by an upper arc slope section 531 and a lower parabolic slope section 532. And the boundary line between the upper arc slope section 531 and the lower parabolic slope section 532 (as indicated by L1 in the figure) corresponds to the top height position of the central light blocking spacer 60; as shown in FIG. The specific implementation of the upper arc slope section 531 may be a distance from the boundary point of the upper arc slope section 531 and the lower parabola slope section 532 to the top end of the central light blocking layer 60. As shown by R in the figure, a quarter arc pattern is formed. For example, if R = 1 cm, the arc length of the upper arc slope section 531 is 2 × π × R × 1/4. Approximately 1.57 cm, and the upper arc slope section 531 is 1 cm high, and the parabolic equation of the lower parabolic slope section 532 is ax ² +bx+c=a(XX ₁ )(XX ₂ ), and its slope tan θ Since the ∞ approaches 0, but does not equal 0, the lower parabolic slope section 532 extends downwardly to the bottom end 52 and is combined with the bottom end 52. The distance from the point to the central light blocking spacer 60 (shown as R1 in the figure) is tapered to 0.6 cm, and its height (as shown in FIG. H) is 2 cm, whereby the lower parabolic slope section 532 can be converted. The arc length is about 2.05 cm, so the height of the entire curved outer side wall 53 (R+H in the figure) is 3 cm; the above is a preferred embodiment of the present invention, but is not limited thereto. The actual configuration relationship can be changed according to the product aspect and the on-site usage requirements.

As shown in FIG. 8 , the central light blocking layer 60 may be in the form of an opaque assembly or coated on the vertical inner side wall 51 of the side light guiding member 50 (eg, 2, 3 shows), the opaque coating pattern of one of the central light transmitting portions 31 (not shown).

With the above structural composition, the core design of the present invention is only provided with the side light guiding member 50 and the central sensor 30 and the side sensor 40 connected to each other in the casing 20, in terms of the structural surface, It can be said that it is extremely simple, and the relative assembly process is also very simple and fast, and achieves practical functions such as saving time and reducing labor costs. In addition, in terms of the manufacturing surface, the structural forms of the partial side light guiding members 50 are identical (see As shown in FIG. 1, the side light guiding members 50 are only in different orientations, and their structural forms are completely the same. The side light guiding members 50 of this figure are grouped corresponding to the arrangement relationship of the lower side sensors 40. It is set to a cross-like state, so that it can be manufactured only by using the same mold, and the side-side light guiding member 50 is the main component of the day-tracking device A, so that the manufacturing cost can be greatly reduced; In terms of materials, the side light guiding member 50 can be formed by a hollow light transmitting body (as shown in FIG. 8), and the central light blocking layer 60 and the light reflecting layer 54 can be achieved by coating. The benefits of significantly reducing material costs.

The state of use of the present invention is as follows:

As shown in FIG. 3, when the sun is located directly above the tracking device A, the sunlight can pass through the light introducing hole 21 at a vertical projection angle and penetrate downward through the center transmitting portion 31 to the center sensor 30, and As shown in Figure 4, when the sun starts to move (as shown, it moves to the right), the sun will be inclined The light is introduced into the lateral light guiding member 50 through the light transmitting hole 21 of the left side, and then the light is reflected by the curved outer wall 53. 54 is reflected to the left side of the side sensor 40, at this time, as shown in Fig. 5, the center sensor 30 will drive the tracking device A to the right because it does not sense the sunlight (as indicated by the arrow L1). Tilting until the sun's rays can be projected perpendicularly to the center sensor 30, thereby achieving the function and purpose of chasing the sun.

Advantages of the invention:

The "chasing device" disclosed in the present invention is mainly an innovative structural design in which only two components of a side light guiding member and a center sensor and a side sensor are connected to each other in the casing, so that the present invention In terms of structural surface, it can be said that it is extremely simple, and the relative assembly process is also very simple and fast, and the functions of saving time and reducing labor cost are achieved. In addition, in terms of the manufacturing surface, the structural forms of the side-side light guiding members are completely the same. Therefore, it is only necessary to use the same mold to manufacture, which obviously reduces the manufacturing cost; in terms of materials, the side light guiding member can be composed of a hollow light transmitting body, and the central light blocking layer and the light The reflective layer can be achieved by coating, and the utility of the material can be greatly reduced. In summary, the present invention can achieve practical simplicity and better structure with simple structure, reduced manufacturing cost, and accurate light sensing effect. Industrial utilization benefits.

The above embodiments are intended to be illustrative of the present invention, and are not to be construed as limiting the scope of the invention. After the principle is changed and modified to achieve the equivalent purpose, and this Changes and modifications are to be covered in the scope of the patent application as described later.

A‧‧‧Chasing device

10‧‧‧ Pedestal

11‧‧‧ Positioning Department

12‧‧‧Installation

20‧‧‧Shell

21‧‧‧Light introduction hole

30‧‧‧Center sensor

31‧‧‧Center light transmission department

40‧‧‧lateral sensor

50‧‧‧Side side light guide member

51‧‧‧Looking to the inner side wall

52‧‧‧ bottom end

53‧‧‧Arc curved outer side wall

531‧‧‧Upper arc slope section

532‧‧‧ Lower parabola slope section

54‧‧‧Light reflection layer

60‧‧‧Central light blocking compartment

70‧‧‧Transverse light penetration

Figure 1 is an exploded perspective view of a preferred embodiment of the present invention.

Figure 2 is a cross-sectional view showing a combination of preferred embodiments of the present invention.

Fig. 3 is a view showing an implementation state of the daylight of the present invention in which a vertical projection angle passes through a light introduction hole and penetrates downward to a center sensor.

Fig. 4 is a view showing a state in which the sunlight is incident on the lateral side light guiding member through the light introducing hole and obliquely passing through the side light transmitting portion.

Fig. 5: The state-tracking device of the present invention rotates with the sun angle, so that the sunlight can be normally projected to the active state diagram of the center sensor.

Fig. 6 is a view showing an embodiment of the eccentric sensor of the present invention in which four groups are arranged in a 90° relationship with each other.

Figure 7: The eccentric sensor of the present invention is an embodiment of two sets of 180° arrangement relationships.

Fig. 8 is a view showing an embodiment in which the central light-blocking spacer of the present invention is an opaque assembly, and the side-side light-guiding member is a hollow light-transmitting body.

A‧‧‧Chasing device

10‧‧‧ Pedestal

11‧‧‧ Positioning Department

12‧‧‧Installation

20‧‧‧Shell

21‧‧‧Light introduction hole

30‧‧‧Center sensor

31‧‧‧Center light transmission department

40‧‧‧lateral sensor

50‧‧‧Side side light guide member

51‧‧‧Looking to the inner side wall

52‧‧‧ bottom end

53‧‧‧Arc curved outer side wall

531‧‧‧Upper arc slope section

532‧‧‧ Lower parabola slope section

54‧‧‧Light reflection layer

60‧‧‧Central light blocking compartment

70‧‧‧Transverse light penetration

Claims (4)

A sun-tracking device controls the steering mechanism of a solar photovoltaic system by sensing the angle of sunlight, so that the light-receiving portion of the system can automatically chase the sun-illuminated angle to maintain the optimal light-receiving state of the sun-illuminated angle in a normal state, which is characterized in that The sun-tracking device comprises: a base disposed at the bottom of the sun-tracking device, the base comprising a positioning portion and a mounting surface; and a cover shell of the opaque material and a hollow shell type cover a light-introducing hole is arranged in the center of the top of the base; a central sensor is a light sensor, is disposed on the mounting surface of the base, and the central sensor is disposed at a position The light-introducing holes provided in the casing are vertically spaced correspondingly; a central light-transmitting portion is formed between the central inductor and the light-introducing hole in a solid or hollow light-transmissive shape, so that when the external sunlight is vertically projected When passing through the light introduction hole, it can penetrate down to the center sensor; at least two side sensors, which are light sensors, are disposed on the mounting surface of the base, and the two side sensors are respectively located at the center Relative spacing of the devices At least two side light guiding members are disposed between the two side sensors of the mounting surface of the base and the cover, and the two side light guiding members are respectively located at opposite sides of the central light transmitting portion. The position of the two side light guiding members is a solid or hollow light transmitting body, and each of the side light guiding members comprises a vertical inner side wall, a bottom end surface and an curved outer side wall, wherein the bottom end surface Corresponding to the side sensor, the curved outer side wall is provided with a light reflecting layer, which can reflect the incident light toward the direction of the side sensor; a central light blocking layer is formed of an opaque material Between the central light transmitting portion and the vertical inner side wall of each of the side light guiding members, for centering a light blocking function is formed between the light transmitting portion and the side light guiding member, and a distance is left between the top end of the central light blocking layer and the light introducing hole of the cover; at least two side light transmitting portions are borrowed The distance between the top end of the central light blocking layer and the light introducing hole provided in the casing is oppositely formed, so that when the external sunlight passes through the light introducing hole at an oblique projection angle, one of the side light passes through The through portion is incident into the lateral side light guiding member. The device according to claim 1, wherein the side sensor is a set type in which two sets are arranged in a 180° relationship, or a set type in which four sets are arranged in a 90° relationship. The sun-tracking device according to claim 1, wherein the curved outer side wall of the side light guiding member is a double-slope curved surface formed by an upper arc slope section and a lower parabolic slope section. The type, and the boundary line between the upper arc slope segment and the lower parabola slope segment corresponds to the top height position of the central light blocking spacer. The sun-tracking device according to claim 1, wherein the central light-blocking layer is in the form of an opaque assembly or is coated on the vertical inner side wall of the side-lighting member. And an opaque coating type of one of the central light transmitting portions.