TWM461045U - Equidistant array light source sensors - Google Patents

Description

Isometric array light source sensor

The present invention relates to a light source sensor, and more particularly to an equidistant array light source sensor in which the distance between each light sensing element and the opening is substantially the same.

Today's technology is changing with each passing day, people are becoming more and more dependent on energy, and because of environmental awareness, solar energy sources are also welcomed by today's society. In order to get more solar energy, you must track the location of the sun. In addition, the position of the light source needs to be sensed in some precision optical measurements.

At present, the conventional light source sensors mainly have the following types:

(1) The direction of incidence of the light source is discriminated by sensors using different positions in the same plane. However, the differential output signal level in this manner is low and may be misjudged due to differences in the characteristics of the sensing elements.

(2) The sensing array is converted by stereo light energy to achieve the positioning of the light source. However, it is an open sensor that is easily interfered with by other ambient light. If the detected light source has low energy, it will greatly reduce its reliability.

(3) Using a ring-shaped photosensitive resistor or photoelectric crystal sensing, a reference column is erected at the center, and the position of the light source is judged by the shadow generated by the reference column. However, this method is susceptible to external light damage and shadows, and a misjudgment occurs.

In view of the above-mentioned problems of the prior art, the purpose of the present invention is to provide an equidistant array of light source sensors for improving the shortcomings of the above-mentioned prior art, that is, to improve the correct interpretation of the position of the light source.

Therefore, in order to achieve the above object, the present invention proposes an equidistant array light source sensor comprising: a sensor container having a top plate and a bottom plate, wherein the top plate has an opening, so that the external light source emits Light can enter the sensor container through the opening; a plurality of light sensing elements collectively form a light sensing array, wherein the light sensing array is disposed on a surface of the bottom plate in the sensor container, and The light sensing elements and the openings have substantially the same distance, and each of the light sensing elements respectively senses the light intensity value of the light; and the light source position of the light sensing elements is electrically coupled And determining the position of the light source according to the light intensity values sensed by the light sensing elements.

One of the features of the equidistant array light source sensor of the present invention is that a plurality of light sensing elements substantially identical to each other by the distance between the openings and the light intensity values sensed by the light sensing elements In order to increase the correct interpretation of the position of the light source.

The equidistant array light source sensor of the present invention may further comprise a filter disposed at the opening. Additionally, the material of the sensor container can be an opaque material.

Therefore, another feature of the equidistant array light source sensor of the present invention is that by filtering the aperture at the opening, the noise or the diffused light is filtered, the specific band of light is filtered out, or only a specific band is used. Light is incident on the sensor container. In addition, the sensor container can be made by using an opaque material to prevent light from being incident on the sensor container from other parts of the sensor container, thereby increasing the accuracy of the subsequent determination process.

In addition, the surface of the bottom plate of the equidistant array light source sensor of the present invention may be a curved surface or a curved surface. Wherein, if the surface is a curved surface, the surface may be a curved surface, a paraboloid or a bowl surface.

In addition, the opening of the top plate of the equidistant array light source sensor of the present invention may be a circular hole or other suitable shape opening.

In addition, each of the light sensing elements in the equally spaced array of light source sensors of the present invention can be a photoresistor. Additionally, the light sensing array can be an image sensor array.

Moreover, the light sensing elements can cover the surface of the bottom plate toward the interior of the sensor container.

As described above, the present isometric array light source sensor can have one or more of the following advantages:

(1) The correct interpretation of the position of the light source is increased by a plurality of light sensing elements substantially the same distance from the opening and based on the light intensity values sensed by the light sensing elements.

(2) By setting a filter at the opening, it filters out noise or diffused light, filters out light in a specific band, or only emits light of a specific band into the sensor container.

(3) By making the sensor container with an opaque material to prevent light from entering the sensor container from other parts of the sensor container, the correctness of the subsequent determination process can be increased.

100‧‧‧Isometric Array Light Source Sensor
110‧‧‧Sensor container
120‧‧‧ top board
121‧‧‧Opening
122‧‧‧Filter
130, 230, 330‧‧‧ bottom plate
131‧‧‧ surface
140, 141, 142‧‧‧Light sensing components
150‧‧‧Light source position processor
600‧‧‧Light source
610‧‧‧Light

Figure 1 is a schematic view showing the structure of the first embodiment of the equidistant array light source sensor of the present invention.

Fig. 2 is a schematic view showing the implementation of the first embodiment of the equidistant array light source sensor of the present invention.

Figure 3 is a schematic view showing the structure of the second embodiment of the equidistant array light source sensor of the present invention.

Figure 4 is a schematic view showing the structure of the third embodiment of the equidistant array light source sensor of the present invention.

The embodiments of the equidistant array light source sensor according to the present invention will be described below with reference to the related drawings. For ease of understanding, the same components in the following embodiments are denoted by the same reference numerals.

Please refer to FIG. 1 to FIG. 2 . FIG. 1 is a schematic structural view of a first embodiment of the equidistant array light source sensor of the present invention, and FIG. 2 is a schematic diagram of the equidistant array light source sensing of the present invention. A schematic diagram of the implementation of the first embodiment of the device. As shown in FIGS. 1 to 2, the inventive equidistant array light source sensor 100 includes a sensor container 110, a plurality of light sensing elements 140, and a light source position processor 150. The equidistant array light source sensor 100 of the present invention can be applied as a solar tracking sensor or can be applied to monitoring of a field lighting device. In addition, the sensor container 110 has an opposite top plate 120 and a bottom plate 130, and the top plate 120 has an opening 121, so that the light 610 emitted from the light source 600 outside the sensor container 110 can pass through the opening 121. Into the sensor container 110. Moreover, the material of the sensor container 110 can be an opaque material, so that the light 610 emitted by the external light source 600 can only be injected into the sensor container 110 through the opening 121, and cannot be used by the sensor container 110. The other portion is injected into the sensor container 110 to increase the accuracy of the subsequent determination process. Further, the sensor container 110 can be of any shape, such as a cylinder, a corner post, or a polyhedron.

Additionally, the opening 121 of the top plate 120 can be, for example, a circular hole or other suitable shape. In addition, the equidistant array light source sensor 100 of the present invention can further provide a filter 122 at the opening 121 to filter out noise or diffused light. For example, the equidistant array light source sensor 100 of the present invention can cover the filter 122 on the opening 121, or the filter 122 can be inserted into the top plate 120 adjacent to the opening 121. The filter 122 is disposed at the opening 121. In addition, the filter 122 can also filter out light of a specific wavelength band or only light of a specific wavelength band into the sensor container 110, thereby facilitating subsequent determination of the position of the light source.

Therefore, one of the features of the equidistant array light source sensor 100 of the present invention is characterized in that the filter 122 is disposed at the opening 121 to filter out noise or diffuse light, filter out light of a specific band or only make specific Light from the band is incident into the sensor vessel 110. In addition, the equidistant array light source sensor 100 of the present invention can further form the sensor container 110 by using an opaque material to prevent light from entering the sensor container 110 from other portions of the sensor container 110. In turn, the correctness of the subsequent judgment processing can be increased.

In addition, a plurality of light sensing elements 140 are disposed on the surface 131 of the bottom plate 130 facing the interior of the sensor container 110, and the light sensing elements 140 are collectively arranged to form a light sensing array. That is, the equidistant array light source sensor 100 of the present invention places the light sensing array on the surface 131 of the bottom plate 130 in the sensor container 110. The light sensing elements 140 and the openings 121 have substantially the same distance, and each of the light sensing elements 140 senses the light intensity value of the light entering the sensor container 110. For example, the distance between the light sensing elements 140 and the openings 121 may be the same, or the distance between the light sensing elements 140 and the openings 121 may be only slightly different, and the differences may be slightly different. The distance difference does not affect the light intensity value sensed by the light sensing element 140. That is, when the light ray 610 is incident into the sensor container 110 from different incident angles through the opening 121, the distance to the light sensing element 140 relative to the incident angle is substantially the same, thereby further increasing the subsequent Determine the accuracy of the position of the light source.

Therefore, one of the features of the equidistant array light source sensor 100 of the present invention is that the distance between each of the light sensing elements 140 and the opening 121 in the light sensing array is substantially the same, thereby further increasing Subsequent judgment of the accuracy of the position of the light source.

The surface 131 of the bottom plate 130 facing the interior of the sensor container 110 may be a curved surface. Further, the surface 131 of the bottom plate 130 may be a paraboloid or a bowl surface, and the distance from any point on the surface 131 to the opening 121 may be To be essentially the same. Therefore, the distance between each of the light sensing elements 140 and the openings 121 disposed on the surface 131 can be substantially the same. In addition, the light sensing elements 140 can be placed on the surface 131 of the interior of the sensor container 110 to increase the fineness of the subsequent determination of the position of the light source. Additionally, the light sensing element 140 can be, for example, a photoresistor such that the light sensing array is a photoresistor array. Alternatively, the light sensing array can be an image sensor array.

In addition, the light source position processor 150 is electrically coupled to each of the light sensing elements 140 to determine the position direction of the light source 600 according to the light intensity values sensed by the light sensing elements 140. The light source position processor 150 is electrically coupled to the light sensing element 140 in a conventional manner, and the entire structure of the equidistant array light source sensor 100 of the present invention is clearly shown, so that the illustration is omitted in the drawings. The light source position processor 150 is electrically coupled to the light sensing element 140.

For example, when the light ray 610 emitted by the light source 600 is incident on the sensor container 110 through the opening 121, it is projected onto the light sensing array disposed on the surface 131 of the bottom plate 130. The light intensity values sensed by the directly received light sensing element 141 and the light sensing element 142 that is not directly received by light are different. After the light source position processor 150 receives the light intensity values sensed by the light sensing elements 141 and 142 in the light sensing array, the light source position processor 150 can calculate the light intensity value according to the difference between the light intensity values. Direction and illumination. The manner in which the light source position processor 150 calculates the position direction and the illuminance of the light source 600 is a conventional calculation method. Therefore, those skilled in the art can know how the light source position processor 150 operates according to the disclosure of the present invention. Since the distance between each of the light sensing elements and the opening 121 is substantially the same, the equidistant array light source sensor of the present invention can increase the correct interpretation of the position and illumination of the light source 600. In addition, if the equidistant array light source sensor 100 of the present invention is used for sun tracking, the light source position processor 150 can transmit a signal to the sun tracking device (not shown) after knowing the position direction and illumination of the light source 600. In order to rotate this sun tracking device.

In addition, if only one dimensional direction of the light source needs to be sensed, and the two-dimensional position direction of the light source is not required to be sensed, the equidistant array light source sensor of the present invention can linearly arrange the light sensing elements. On the curved surface, to reduce the amount of light sensing components used. Please refer to FIG. 3, and FIG. 3 is a schematic structural view of a second embodiment of the equidistant array light source sensor of the present invention. As shown in FIGS. 1 to 3, the greatest difference between the second embodiment and the first embodiment is that the surface of the bottom plate 230 of the second embodiment is curved, and the plurality of light sensing elements 140 are substantially linearly arranged. On the surface of the bottom plate 230. That is, the surface of the bottom plate 230 of the second embodiment of the equidistant array light source sensor 100 of the present invention is a curved surface. In addition, in the second embodiment of the equidistant array light source sensor 100 of the present invention, the distance between each of the light sensing elements 140 and the opening 121 is substantially the same, so that when an external light source is emitted After the light passes through the opening 121 of the top plate 120 and is incident on the sensor container 110 and is projected onto the light sensing elements 140 disposed on the bottom plate 230, the light sensing elements 140 can respectively sense the light. Strength value. The light source position processor 150 can determine the direction position of the light source according to the light intensity values sensed by the light sensing elements 140.

Furthermore, the surface of the bottom plate of the equidistant array light source sensor of the present invention may also be a curved surface. Please refer to FIG. 4, which is a schematic structural view of a third embodiment of the equidistant array light source sensor of the present invention. The main difference between the third embodiment and the first embodiment is that the surface of the bottom plate of the third embodiment is a curved surface rather than a curved surface. As shown in FIG. 4, the sensor container 110 of the equidistant array light source sensor 100 of the present invention can be, for example, a polyhedral structure, and the top plate 120 has an opening 121, so that the light emitted by the external light source can pass through. This opening 121 is injected into the sensor container 110. Moreover, a plurality of light sensing elements 140 are disposed on different curved faces of the bottom plate 330 and both face the interior of the sensor container 110 to collectively form a light sensing array. The distance between the light sensing elements 140 and the openings 121 in the light sensing array are also substantially the same, so that when the light emitted by the external light source passes through the opening 121 of the top plate 120, the injection sensing is performed. After the container 110 is projected onto the light sensing elements 140 disposed on the bottom plate 330, the light sensing elements 140 can respectively sense the light intensity values. The light source position processor 150 can determine the direction position of the light source according to the light intensity values sensed by the light sensing elements 140.

In summary, the equidistant array light source sensor of the present invention has a plurality of light sensing elements substantially the same distance from the opening, and is based on the light intensity values sensed by the light sensing elements. Increase the correct interpretation of the position of the light source.

The above is intended to be illustrative only and not limiting. Any equivalent modifications or alterations to the spirit and scope of this creation shall be included in the scope of the appended patent application.

100‧‧‧Isometric Array Light Source Sensor

110‧‧‧Sensor container

120‧‧‧ top board

121‧‧‧Opening

122‧‧‧Filter

130‧‧‧floor

140‧‧‧Light sensing components

150‧‧‧Light source position processor

Claims (10)

An equidistant array of light source sensors comprising:
a sensor container having a top plate and a bottom plate, the top plate having an opening such that one of the external light sources emits light through the opening to enter the sensor container;
a plurality of light sensing elements together to form a light sensing array, wherein the light sensing array is disposed on a surface of the bottom plate in the sensor container, and between the light sensing elements and the opening One of the substantially identical distances, and each of the light sensing elements individually senses a light intensity value of the light; and a light source position processor electrically coupled to the light sensing elements to The light intensity values sensed by the light sensing component determine the position of the light source. The equidistant array light source sensor of claim 1, further comprising a filter disposed at the opening. The equidistant array light source sensor of claim 1, wherein the surface of the bottom plate is a curved surface. The equidistant array light source sensor of claim 3, wherein the curved surface is a curved surface, a paraboloid or a bowl surface. The equidistant array light source sensor of claim 1, wherein the surface of the bottom plate is a bent surface. The equidistant array light source sensor of claim 1, wherein the opening is a circular hole. The equidistant array light source sensor of claim 1, wherein the material of the sensor container is an opaque material. The equidistant array light source sensor of claim 1, wherein each of the light sensing elements is a photoresistor. The isometric array light source sensor of claim 1, wherein the light sensing array is an image sensor array. The equidistant array light source sensor of claim 1, wherein the light sensing elements cover the surface of the bottom plate.