KR20020095820A - Apparatus and method for measuring angle and direction of incident light - Google Patents

Abstract

The present invention relates to an apparatus for measuring the incident angle and incident rectangle of incident light and a method thereof. The incident angle and incident direction measuring device of the incident light includes a substrate 10 having a predetermined shape; A light receiving element support unit 20 integrally installed on an upper surface of the substrate 10 and configured to support a plurality of light receiving elements that electrically react according to the presence or absence of incident light; An outer case 30 which is integrally installed on an upper surface of the light receiving element support 20 and has a predetermined height and is empty in the middle; It is inserted into the outer case 30 so as to be movable up and down, and has a predetermined height, characterized in that it comprises a predetermined angle of incidence angle adjustment means 40 of the hollow to adjust the incident angle of the incident light.

Description

Apparatus and method for measuring incident angle and incident direction of incident light {APPARATUS AND METHOD FOR MEASURING ANGLE AND DIRECTION OF INCIDENT LIGHT}

The present invention relates to a device for measuring the incident angle and the incident direction of the incident light, and more particularly, to accurately measure the incident angle and the incident direction of the incident light in a predetermined shape, and accurately using a light receiving element that electrically reacts to the incident light. An apparatus for measuring an incident angle and an incident direction of incident light, and a method thereof.

In general, when a driver driving a mobile vehicle such as a car, an aircraft, a tank, a boat, or the like enters the eye directly while the incident light is incident at a predetermined angle and direction, the eyes are broken and driving is impossible. do.

In this state, the driver blocks the incident light by using the sun visor provided on the upper part of the driver's head, thereby driving safely. However, the driving direction of the car or the aircraft suddenly changes due to a sharp curve while driving or driving at high speed, and when the incident light is incident directly on the driver's eyes, there is no space to lower the sun visor or do not hold the handle to lower the sun visor. As the sun visor is manually lowered by hand, it poses a serious danger to the driver's safe driving.

As described above, there is no conventional apparatus and method capable of accurately measuring the incident angle and the incident direction of incident light. In industrial devices that need to accurately measure and control the incident angle and the incident direction of incident light, it is very important to accurately control the incident angle and the incident direction of the incident light.

In addition, since there is no device that can measure and control the incident angle and the incident direction of the incident light in the conventional mobile transportation means, when the incident light suddenly enters the driver's eyes while driving, the large amount is caused by the disturbance of the driving field due to the glare of the driver. There is a risk of an accident.

The present invention has been made in order to solve the above problems, the incident angle and the incident direction of the incident light incident in a predetermined direction is arranged in a predetermined shape, it is possible to accurately measure using a light receiving element that is electrically reacted to the incident light The present invention provides an apparatus for measuring an incident angle and an incident direction of incident light and a method thereof.

In order to achieve the above object, the incident angle and the incident direction measuring device of the incident light according to the present invention comprises a substrate 10 of a predetermined shape; A light receiving element support unit 20 integrally installed on an upper surface of the substrate 10 and configured to support a plurality of light receiving elements that electrically react according to the presence or absence of incident light; An outer case 30 which is integrally installed on an upper surface of the light receiving element support 20 and has a predetermined height and is empty in the middle; It is inserted into the outer case 30 so as to be movable up and down, and has a predetermined height, characterized in that it comprises a predetermined angle of incidence angle adjustment means 40 of the hollow to adjust the incident angle of the incident light.

In order to achieve the above object, the incident angle and the incident direction measuring method of the incident light according to the present invention comprises a first step of detecting a light receiving element that makes an electrical reaction according to the presence or absence of the incident light using a current sensing unit; A second step of comparing and searching the incident angle and the incident direction of the incident light corresponding to the detected position of the light receiving element in a look-up table of a memory using a central processing unit to output the incident angle and the incident direction of the corresponding incident light; And a third step of outputting a predetermined driving signal corresponding to the incident angle and the incident direction of the output incident light by using a driving unit to drive the predetermined device.

1 is a perspective view showing an apparatus for measuring an incident angle and an incident direction of incident light according to a first embodiment of the present invention.

2 is a side view showing an incidence angle and incidence direction measuring device of incident light according to the present invention.

3 is a plan view showing an incidence angle and incidence direction measuring device of incident light according to the present invention.

4 is a cross-sectional view showing a light receiving element support unit of the incident angle and incident direction measuring apparatus of the incident light according to the present invention and the light receiving element provided therein.

5 is a block diagram showing the configuration of a circuit portion of the incident angle and incident direction measuring device of incident light.

(A) and (b) of FIG. 6 are views for explaining the action when incident light is incident from the west in the incident angle and incident direction measuring apparatus of the incident light according to the present invention.

(A) and (b) of FIG. 7 are diagrams for explaining the action when incident light is incident from the northwest on the incident angle and incident direction measuring apparatus of the incident light according to the present invention.

(A) and (b) of FIG. 8 are diagrams for explaining the action when incident light is incident from the north in the incident angle and incident direction measuring apparatus of the incident light according to the present invention.

(A) and (b) of FIG. 9 are diagrams for explaining the action when incident light is incident from the northeast side in the incident angle and incident direction measuring apparatus of the incident light according to the present invention.

(A) and (b) of FIG. 10 are diagrams for explaining the operation of incident light from the east side of the incident light and the incident direction measuring device according to the present invention.

(A) and (b) of FIG. 11 are a plan view and a side view of the incidence angle and the direction of incidence of the incident light according to the second embodiment of the present invention, respectively.

12 is a plan view showing the configuration of an incident angle and an incident direction measuring device of incident light according to the third embodiment of the present invention.

13 is a flowchart showing a method of measuring an incident angle and an incident direction of incident light according to the present invention.

<Explanation of symbols for the main parts of the drawings>

10: substrate 20: light receiving element support

30: outer case 40: incident angle adjusting means

Hereinafter, an apparatus for measuring an incident angle and an incident direction of incident light according to the present invention and a preferred first embodiment of the method will be described with reference to FIGS. 1 to 10.

1 is a perspective view showing an apparatus for measuring an incident angle and an incident direction of incident light according to a first embodiment of the present invention. 2 is a side view showing an incidence angle and incidence direction measuring device of incident light according to the present invention.

As shown in the figure, the incident angle and the incident direction measuring device of the incident light according to the present invention is configured in a predetermined shape, the substrate 10 having a predetermined circuit configuration, and integrally provided on the upper surface of the substrate 10 And a disk-shaped light receiving element support part 20 for supporting a plurality of light receiving elements (not shown) that react electrically to incident incident light, and are integrally provided on an upper surface of the light receiving element support part 20. A cylindrical outer case 30 having a height and a predetermined diameter, and inserted into the inside of the outer case 30 so as to be movable up and down, the incidence angle adjustment of the cylindrical having a diameter smaller than the diameter of the outer case 30 Means 40 are provided.

A power cable 11 for supplying power to the substrate 10 is connected to the lower portion of the substrate 10. In addition, the height adjusting part 31 adjusts the incident angle of incident light by moving the height of the incident angle adjusting means 40 inserted into the inside of the outer case 30 up and down on one side of the outer surface of the outer case 30. ). In addition, a predetermined fastening portion 410 is formed at a position corresponding to the height adjusting portion 310 formed on the outer surface of the outer case 30 at a predetermined portion of the outer surface of the incident angle adjusting means 40. Here, the height adjusting portion 31 and the fastening portion 410 is preferably composed of worms and worm gears. Accordingly, the height adjusting part 310 (warm) is inserted into and installed in the fastening part 410 (warm gear) formed on the outer surface of the incident angle adjusting means 40, thereby turning the height adjusting part 31 to adjust the incident angle adjusting means. The height of 40 can be adjusted.

3 is a plan view showing an incidence angle and incidence direction measuring device of incident light according to the present invention. 4 is a cross-sectional view showing the light receiving element support 20 and the light receiving element LD provided therein of the apparatus for measuring the incidence and incidence of incident light according to the present invention.

As shown therein, the light receiving elements LD are respectively (a a '), (ab), (b b'), (bc), (c c '), (cd), (d d'), ( It has a position value of a, d), and is provided in a circular shape along the upper edge line of the light receiving element support part 20. In the present invention, eight light receiving elements LD are provided in a circular shape for convenience, but in order to more accurately measure the incident angle and the incident direction of the incident light, more than eight light receiving elements LD may be provided in a predetermined number. Here, as the number of light receiving elements LD increases, more accurate incidence angles and incidence directions of incident light can be measured. The operation according to the configuration of the light receiving element LD will be described in more detail later.

5 is a block diagram showing the configuration of a circuit portion of the incident angle and incident direction measuring apparatus of the incident light according to the present invention.

As shown therein, the circuit part of the incident angle and incident direction measuring device of the incident light is installed in the light receiving element support unit 20, and the plurality of light receiving elements LD that electrically react with the presence or absence of the incident light and whether or not the incident light is present. According to the current sensing unit 50 for detecting a current change of the light-receiving element that reacts with the electric, and the position value of the light-receiving element for the current change detected by the current sensing unit 50 the current sensing unit 50 A central processing unit (CPU) 60 which receives the data from the lookup table stored in the memory 70 and determines the incident angle and the incident direction of the incident light according to a value corresponding to the position value of the corresponding light receiving element. ) And a driving unit 80 for driving a predetermined driving device according to the incident angle and the incident direction of the incident light determined by the central processing unit 60.

In the above description of the configuration, various devices, films, semiconductors, and the like may be used as predetermined devices that perform electrical reaction depending on the presence or absence of incident light.

The operation of the incident angle and the incident direction measuring device of the incident light according to the first embodiment of the present invention configured as described above will be described with reference to the accompanying drawings.

First, in the embodiment of the present invention, as shown in FIG. 3 and FIG. 6, for convenience of description, the position values a and a 'of the light receiving element LD are defined as west, and the light receiving element LD The position values b and b 'are defined as north, the position values c and c' of the light receiver LD are defined as east, and the position values d and d 'of the light receiver LD as south. It is defined as.

In this case, the diameter of the light receiving element support 20 on which the light receiving elements LD are installed is fixed to a predetermined size, and the height adjusting part 31 is turned to fix the height of the incident angle adjusting means 40 to a predetermined size. Assume that

Under the above assumption, if the incident light is incident from the west to the incident angle and the incident direction measuring device of the incident light of the present invention, the following look-up table is completed. Tables 1 to 5 below are stored in the memory 70. The CPU 60 determines a light receiving device that performs an electrical reaction according to the presence or absence of incident light among the plurality of light receiving devices LD, and compares the position value of the light receiving device with a value of a lookup table stored in the memory 70. In comparison, the incident angle and the incident angle of the incident light are determined.

(A) and (b) of FIG. 6 are views for explaining the action when incident light is incident from the west in the incident angle and incident direction measuring apparatus of the incident light according to the present invention. In the drawings, A to F are boundary lines between the sun where the incident light enters and the shaded areas where no incident light enters, and in FIG. 6B, the right side of the boundary lines is the portion where the incident light enters, and the left side is the shaded area where the incident light does not enter. to be. The detailed description will be described with reference to Table 1 below.

In the above Table 1, when the central processing unit 60 receives from the current sensing unit 50 that the position value of the light-receiving element that caused the electrical reaction depending on the presence or absence of incident light is (c, c '), the central processing unit 60 determines that the incidence angle corresponding to the position values c and c 'is 35 degrees from the lookup table stored in the memory 70 and that the direction is west. The central processing unit 60 generates positional values (b, b '), (b, c), and (c, c') of the light-receiving element, in which an electric reaction is caused by the presence or absence of incident light from the current sensing unit 50. When (c, d), (d, d ') are received, the central processing unit 60 receives the position values (b, b'), (b, c), (from the lookup table stored in the memory 70. It is determined that the incident angle of the incident light corresponding to c, c '), (c, d), and (d, d') is 45 °, and the direction is west. That is, the position value of the predetermined light receiving element LD, which is electrically reacted according to the presence or absence of incident light, is compared in the lookup table in the same manner as described above to determine the incident angle and the incident direction of the incident light.

(A) and (b) of FIG. 7 are diagrams for explaining the action when incident light is incident from the northwest on the incident angle and incident direction measuring device of the incident light according to the present invention. In the drawing, A to F are boundary lines between the sun where incident light enters and the shaded areas where incident light does not enter, and in (b) of FIG. 7, the bottom of the boundary lines is the area where incident light enters, and the upper side shows the shade where no incident light enters. Part. The detailed description will be described with reference to Table 2 below.

In the above Table 2, when the central processing unit 60 receives from the current sensing unit 50 that the position value of the light-receiving element that has caused an electric reaction according to the presence or absence of incident light is (c, d), the central processing unit ( 60 determines that the incidence angle corresponding to the position values c and d is 35 ° from the lookup table stored in the memory 70 and that the direction is northwest. In addition, the central processing unit 60 has position values (a, d), (d, d '), (c, d) of the light-receiving element, in which an electric reaction is caused by the presence or absence of incident light from the current sensing unit 50. Upon receiving (c, c '), (b, c), the central processing unit 60 receives the position values (a, d), (d, d'), (c) from the lookup table stored in the memory 70. It is determined that the incident angle of the incident light corresponding to (d), (c, c '), and (b, c) is 45 °, and its direction is northwest.

(A) and (b) of FIG. 8 are diagrams for explaining the action when incident light is incident from the north in the incident angle and incident direction measuring apparatus of the incident light according to the present invention. In the drawing, A to F are boundary lines between the sun where the incident light enters and the shaded areas where the incident light does not enter. In FIG. 8B, the bottom of the boundary lines is the area where the incident light enters. to be. The detailed description will be described with reference to Table 3 below.

In the above Table 3, when the central processing unit 60 receives from the current sensing unit 50 that the position value of the light receiving element that has caused the electrical reaction according to the presence or absence of incident light is (d, d '), the central processing unit 60 determines that the incidence angle corresponding to the position values d and d 'is 35 degrees from the lookup table stored in the memory 70 and that the direction is north. In addition, the central processing unit 60 generates positional values (a, a '), (a, d), and (d, d') of the light receiving element in which an electric reaction is caused by the presence or absence of incident light from the current sensing unit 50. When receiving (c, d), (c, c '), the central processing unit 60 receives the position values (a, a'), (a, d), (from the lookup table stored in the memory 70. It is determined that the incident angle of the incident light corresponding to d, d '), (c, d), and (c, c') is 45 °, and the direction is north.

(A) and (b) of FIG. 9 are diagrams for explaining the action when incident light is incident from the northeast side in the incident angle and incident direction measuring apparatus of the incident light according to the present invention. In the drawings, A to F are boundary lines between the sun where the incident light enters and the shaded areas where the incident light does not enter, and in (b) of FIG. 9, the bottom of the boundary lines is the area where the incident light enters, and the upper part of the shade where no incident light enters. to be. The detailed description will be described with reference to Table 4 below.

In the above Table 4, when the central processing unit 60 receives from the current sensing unit 50 that the position value of the light receiving element that has caused the electrical reaction according to the presence or absence of incident light is (a, d), the central processing unit ( 60 determines that the incidence angle corresponding to the position values a and d is 35 ° from the lookup table stored in the memory 70 and that the direction is northeast. Then, the central processing unit 60 is the position value (a, b), (a, a ') (a, d) of the light-receiving element that caused an electrical reaction by the presence or absence of incident light from the current sensing unit (50). d, d '), (c, d), the central processing unit 60 receives the position values (a, b), (a, a') (a, d) from the lookup table stored in the memory 70. It is determined that the incident angle of the incident light corresponding to), (d, d '), (c, d) is 45 degrees, and the direction is northeast.

(A) and (b) of FIG. 10 are diagrams for explaining the action when incident light is incident from the east side in the incident angle and incident direction measuring apparatus of the incident light according to the present invention. In the drawing, A to F are boundary lines between the sun where the incident light enters and the shade areas where incident light does not enter, and in (b) of FIG. 10, the left side of the boundary lines is the area where the incident light enters, and the right side is the shade area where the incident light does not enter. to be. The detailed description will be described with reference to Table 5 below.

In the above Table 5, when the central processing unit 60 receives from the current sensing unit 50 that the position value of the light-receiving element that caused the electrical reaction depending on the presence or absence of incident light is (a, a '), the central processing unit 60 determines from the lookup table stored in the memory 70 that the incident angle corresponding to the position values a and a 'is 35 ° and that the direction is east. Then, the central processing unit 60 is the position value (b, b '), (a, b) (a, a') of the light-receiving element that caused an electrical reaction according to the presence or absence of incident light from the current sensing unit 50, Upon receipt of (a, d), (d, d '), central processing unit 60 receives position values (b, b'), (a, b) (a, from the lookup table stored in memory 70). It is determined that the incident angle of the incident light corresponding to a '), (a, d), and (d, d') is 45 degrees, and its direction is east.

As described above, the central processing unit 60 determines the incident angle and the incident direction of the incident light by comparing the position value of the light receiving element causing the electrical reaction with or without the incident light from the corresponding lookup table.

In the above description, by adjusting the height adjusting unit 31 shown in FIG. 2, the height of the incident angle adjusting means 40 inserted into the outer case 30 is adjusted to adjust the angle of incidence according to the predetermined angle of incidence. The degree of electrical response of the light receiving element can be adjusted.

The configuration of the incident angle and the incident direction device of the incident light according to the second embodiment of the present invention will be described with reference to (a) and (b) of FIG.

The same configuration and operation as the first embodiment according to the present invention will be omitted for convenience.

In the second embodiment of the present invention, unlike the first embodiment of the present invention, the outer case 300 and the incident angle adjusting means 400 inserted to be movable up and down are trapezoidal in shape. In addition, two light receiving element portions 210 including a pair of light receiving elements LD are respectively provided at intermediate portions of the light receiving element support portion 200 at predetermined intervals. The shape of the outer case 300 and the incident angle adjusting means 400 as described above is determined according to the shape of the windshield of the vehicle when the incident angle and the incident direction measuring device of the incident light according to the present invention are employed in the automotive sun visor. In addition, the installation position of the light receiving element LD having the position values L1 and L2 and R1 and R2 provided in the light receiving element support unit 200 is a vehicle in which a person rides in a seat next to the driver's seat and the driver's seat of the car. When you look at the car from the front of the car, it is determined by the position of the driver's eyes and the driver's side seat.

As the circuit configuration of the incident angle and incident direction measuring device of incident light according to the second embodiment of the present invention, the hardware configuration is the same as that of the first embodiment, and the contents of the lookup table stored in the memory are different. In the description of this embodiment, the measurement of the incident angle and the incident direction of the incident light is limited to the case where the incident light is incident in three directions of west, north, and east for convenience.

That is, the lookup table according to the second embodiment is as follows.

In the above Table 6, when the central processing unit 60 receives from the current sensing unit 50 that the position value of the light receiving element LD that has caused an electrical reaction according to the presence or absence of incident light is (R1, R2), The processing device 60 determines that the incidence angle corresponding to the position values R1 and R2 is 50 degrees from the lookup table stored in the memory 70 and that the direction is west. When the central processing unit 60 receives the position values R1 and R2 (L1 and L2) of the light receiving elements that have caused an electrical reaction from the current sensing unit 50 in the presence or absence of incident light, the central processing unit 60 ) Determines that the incident angle of the incident light corresponding to the position values R1, R2 (L1, L2) is 90 degrees from the lookup table stored in the memory 70, and that the direction is east. That is, the position value of the predetermined light receiving element LD, which is electrically reacted according to the presence or absence of incident light, is compared in the lookup table in the same manner as described above to determine the incident angle and the incident direction of the incident light.

In the above Table 7, the central processing unit 60 has the position values of the light receiving element LD, which has caused an electrical reaction according to the presence or absence of incident light from the current sensing unit 50, (R1, R2) and (L1, L2). The central processing unit 60 determines that the incident angle corresponding to the position values R1, R2 (L1, L2) is 50 degrees from the lookup table stored in the memory 70, and that the direction is north. To judge. That is, the position value of the predetermined light receiving element LD, which is electrically reacted according to the presence or absence of incident light, is compared in the lookup table in the same manner as described above to determine the incident angle and the incident direction of the incident light.

In Table 8, when the central processing unit 60 receives from the current sensing unit 50 that the position value of the light-receiving element LD that has caused an electric reaction according to the presence or absence of incident light is (L1, L2), The processing device 60 determines from the lookup table stored in the memory 70 that the incident angle corresponding to the position values L11 and L2 is 50 ° and that the direction is east. When the central processing unit 60 receives the position values R1 and R2 (L1 and L2) of the light receiving elements that have caused an electrical reaction from the current sensing unit 50 in the presence or absence of incident light, the central processing unit 60 ) Determines that the incident angle of the incident light corresponding to the position values L1, L2 (R1, R2) is 90 ° from the lookup table stored in the memory 70, and that the direction is east. That is, the position value of the predetermined light receiving element LD, which is electrically reacted according to the presence or absence of incident light, is compared in the lookup table in the same manner as described above to determine the incident angle and the incident direction of the incident light.

Referring to the operation of the incident angle and the incident direction of the incident light according to the second embodiment of the present invention will be described.

First, by adjusting the height adjusting unit 310 installed on the outer predetermined portion of the outer case 300, while fixing the height of the incident angle adjusting means 400 inserted to be moved up and down inside the outer case 300, When the incident light is incident at a predetermined angle and direction to the light receiving elements (position values L1 and L2) that make an electrical reaction depending on whether incident light is incident or not, the central processing unit 60 of FIG. The position values L1 and L2 of the LD are retrieved from the lookup table, and it is recognized that the incident angle of the incident light corresponding to the position values L1 and L2 of the light receiving element LD is 50 ° and the incident direction is east. . Accordingly, the driving unit 80 is driven according to the result value to drive a predetermined device. In the same manner as described above, when incident light is incident on the light receiving elements (position values R1 and R2) according to whether incident light is incident or not, the central processing unit 60 of FIG. 5 performs an electrical reaction. After detecting incident light is incident on one of the light receiving elements (position values R1 and R2), the incident angle and the incident direction are determined by the lookup table in the same manner as described above, and then the driving unit 80 is driven to drive a predetermined device.

12 is a device for measuring an incident angle and an incident direction of incident light according to a third embodiment of the present invention.

In the third embodiment, compared with the second embodiment according to the present invention, the outer case and the incident angle adjusting means have the same trapezoidal shape, and the installation positions L1, L2 and R1, R2 of the light receiving element LD are The same, but the light receiving element (LD) is provided with four additional light receiving elements, one each in the trapezoidal corner portion. Therefore, in comparison with the second embodiment according to the present invention, in the third embodiment, the incident direction of the incident light in the same way as in the first and second embodiments is determined as west, northwest, north, northeast, east, southeast, and south. This can be measured by subdividing it southwest.

In the present invention, the shape of the outer case and the angle of incidence adjusting means is limited to circular and trapezoidal, but in another preferred embodiment, it is possible to have a predetermined shape such as ellipse, triangle, square, and the like. And, the upper height of the angle of incidence adjusting means may be formed differently at the center, side, and the like. As described above, the height of the upper end portion of the incident angle adjusting means may be partially varied, thereby partially adjusting the incident angle of the incident light.

13 is a flowchart showing a method of measuring an incident angle and an incident direction of incident light according to the present invention.

As shown in the drawing, the method for measuring the incident angle and the incident direction of incident light according to the present invention includes a first step of detecting a light receiving device that performs an electrical reaction according to the presence or absence of incident light using a current sensing unit, and the detected light receiving device. A second step of comparing and searching the incident angle and the incident direction of the incident light corresponding to the position value in the lookup table of the memory using a central processing unit, and outputting the incident angle and the incident direction of the corresponding incident light; And a third step of outputting a predetermined driving signal along the direction by using the driving unit to drive the predetermined device.

As described above, the angle of incidence and the direction of incidence of the incident light of the present invention and a plurality of light-receiving elements having an electrical reaction according to the presence or absence of incident light in the method are arranged in a predetermined shape to accurately determine the angle of incidence and the direction of incidence of the incident light. It can be measured. Therefore, the incident angle and the incident direction measuring device of the incident light according to the present invention can be applied to the automatic visor of the means of transportation, thereby automatically preventing the glare of the incident light of the driver sitting in the driver's seat and the occupant sitting in the seat next to the driver's seat.

Claims (19)

A substrate 10 of a predetermined shape, A light receiving element support unit 20 integrally installed on an upper surface of the substrate 10 and configured to support a plurality of light receiving elements that electrically react according to the presence or absence of incident light; An outer case 30 which is integrally installed on an upper surface of the light receiving element support 20 and has a predetermined height and is empty in the middle; The incident angle of incident light, which is inserted into the outer case 30 so as to be movable upward and downward, has a predetermined height, and has a predetermined angle of incidence angle adjustment means 40 having a center capable of adjusting the incident angle of incident light. And an incident direction measuring device. The apparatus of claim 1, wherein the light receiving element support part 20 is circular in plan view from above. The apparatus of claim 1, wherein the light receiving element support portion 20 is trapezoidal in plan view from above. The apparatus of claim 1, wherein the light receiving element support portion 20 is elliptical in plan view from above. In claim 1, wherein the light receiving element support portion 20 is the incident angle and the incident direction measuring apparatus of the incident light, characterized in that the plane viewed from the top. The incident angle of the incident light of claim 1, wherein the incident angle adjusting means 40 inserted into the outer case 30 and the outer case 30 has a hollow cylindrical shape and a circular planar surface thereof. And an incident direction measuring device. 2. The incident angle of incident light of claim 1, wherein the incident angle adjusting means 40 inserted into the outer case 30 and the outer case 30 is empty in the center and trapezoidal in plan view from above. Incident direction measuring device. 2. The incident angle of incident light of the incident light according to claim 1, wherein the incident angle adjusting means 40 inserted into the outer case 30 and the outer case 30 has an empty center and an elliptical plane viewed from above. Incident direction measuring device. The incident angle of the incident light of claim 1, wherein the angle of incidence adjusting means 40 inserted into the outer case 30 and the outer case 30 is empty in the center and a plane viewed from the top thereof. Incident direction measuring device. The incident angle of the incident light of claim 1, wherein the angle of incidence adjusting means 40 inserted into the outer case 30 and the outer case 30 is empty in the center and a plane viewed from the top thereof. Incident direction measuring device. The apparatus of claim 1, wherein the plurality of light receiving elements are arranged in a line in a circular line at predetermined intervals along an upper surface edge of the light receiving element support unit 20. 2. The apparatus of claim 1, wherein the plurality of light receiving elements are arranged in an oval line with each other at predetermined intervals along an upper surface edge of the light receiving element support unit 20. 2. The apparatus of claim 1, wherein the plurality of light receiving elements are arranged in a row in a rectangle at predetermined intervals along the upper edge of the light receiving element support unit (20). The apparatus of claim 1, wherein the pair of light receiving elements is disposed at predetermined intervals from each other at right and left centers on the center of the upper surface of the light receiving element support unit 20. According to claim 1, wherein the pair of light receiving elements are each two at the left and right centered on the center of the upper surface of the trapezoidal light receiving element support portion 20 and each of the four at a predetermined distance from each other at a predetermined distance from the four corners of the trapezoidal shape. And an incidence angle and incidence direction measuring device of incident light, characterized in that it is arranged. The incident angle and incident direction measuring device of incident light according to claim 1, wherein a fastening part (41) made of a worm gear is formed on a predetermined portion of the outer surface of the incident angle adjusting means (40). The height adjusting part 31 is coupled to the fastening part 41 at a predetermined portion of the outer surface of the outer case 30, and the height adjusting part 31 is capable of adjusting the height of the incident angle adjusting means 40. An incident angle and an incident direction measuring device of incident light. [Claim 17] The apparatus of claim 1, wherein the height adjusting part is a worm. A current disposed in the light receiving element support part 30 in a predetermined shape and detecting an electric change from the light receiving element LD that makes an electrical reaction according to the presence or absence of incident light, and outputs a position value of the light receiving element that has undergone the electrical reaction. A sensing unit 50; A central processing unit for receiving the position value of the light receiving element from the current sensing unit 50, searching for, reading and outputting the incident angle and the incident direction of the incident light corresponding to the position value from the memory 70 storing a lookup table. 60; And a circuit unit comprising a driving unit (80) for driving a predetermined device according to the incident angle and the incident direction of the incident light received from the central processing unit (60). A first step of detecting a light receiving device that has an electric response according to the presence or absence of incident light using a current sensing unit; A second step of comparing and searching the incident angle and the incident direction of the incident light corresponding to the detected position of the light receiving element in a look-up table of a memory using a central processing unit to output the incident angle and the incident direction of the corresponding incident light; And a third step of outputting a predetermined driving signal corresponding to the incident angle and the incident direction of the output incident light by using a driving unit to drive a predetermined device.