CN113108900A - Sunlight is to illumination intensity detection device based on reflection focus - Google Patents
Sunlight is to illumination intensity detection device based on reflection focus Download PDFInfo
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- CN113108900A CN113108900A CN202110442099.0A CN202110442099A CN113108900A CN 113108900 A CN113108900 A CN 113108900A CN 202110442099 A CN202110442099 A CN 202110442099A CN 113108900 A CN113108900 A CN 113108900A
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- 238000001514 detection method Methods 0.000 title claims abstract description 56
- 238000005286 illumination Methods 0.000 title claims abstract description 28
- 238000006073 displacement reaction Methods 0.000 claims abstract description 14
- 238000004146 energy storage Methods 0.000 claims abstract description 11
- 239000004973 liquid crystal related substance Substances 0.000 claims description 10
- 230000008054 signal transmission Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 3
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/04—Optical or mechanical part supplementary adjustable parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/04—Optical or mechanical part supplementary adjustable parts
- G01J1/0407—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings
- G01J1/0411—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings using focussing or collimating elements, i.e. lenses or mirrors; Aberration correction
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J2001/4266—Photometry, e.g. photographic exposure meter using electric radiation detectors for measuring solar light
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J2001/4266—Photometry, e.g. photographic exposure meter using electric radiation detectors for measuring solar light
- G01J2001/4285—Pyranometer, i.e. integrating over space
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- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention provides a sunlight-to-illumination intensity detection device based on reflection focusing, which comprises a reflection light-gathering module, a detection module, a control module, a spatial angular displacement module, an energy storage module and a display module, wherein the reflection light on the inner surface of a parabolic concave shell is always focused on a photosensitive element at the central point of a carrier by controlling the spatial angle of the reflection light-gathering module, the current of the photosensitive element is detected, and the detection of the sunlight-to-illumination intensity is completed, so that the problems of external power supply, low accuracy and large volume of the traditional sunlight-to-illumination intensity detection device are solved.
Description
Technical Field
The invention relates to the technical field of sunlight detection, in particular to a sunlight-to-illumination intensity detection device based on reflection focusing.
Background
The light direction and the illumination intensity are important parameters for representing sunlight, and are influenced by various factors such as time, environment and the like and can be changed continuously. The current light direction and illumination intensity detection device mainly adopts a photosensitive sensing detection assembly, and most of the light direction and illumination intensity detection devices are mutually independent, so that the detection device is large in size and limited in application field.
The traditional light direction and illumination intensity detection device adopts a parallel light irradiation mode to complete the detection process, a sampling module detects a photocurrent signal after the detection process is irradiated by the parallel light, sends a corresponding control signal to a displacement adjusting module, and continuously adjusts the angle of a measuring body to complete the detection of the light direction; and detecting the photocurrent of the photosensitive component, and converting the illumination intensity into an electrical signal to complete the detection of the illumination intensity. The traditional multi-point detection method is easily influenced by factors such as weather, environment stray light and the like, so that the detection precision of the device is not high.
Disclosure of Invention
In order to solve the defects of low detection precision and limitation in the application field in the prior art, the invention aims to provide a sunlight illumination intensity detection device based on reflection focusing, which focuses part of reflected light on the surface of a flexible solar panel on the position of the central point of a carrier to finish the determination of the light direction; and the illumination intensity is determined according to the current output by the point photosensitive element, and the energy storage module is charged and discharged to provide electric energy for the device.
In order to achieve the purpose, the invention adopts the following technical scheme: a sunlight-to-illumination intensity detection device based on reflection focusing comprises a reflection light-gathering module, a detection module, a control module, a spatial angular displacement module, an energy storage module and a display module; the reflection light-gathering module is used for focusing sunlight on one point through reflection to realize the determination of light intensity and light direction; the detection module completes detection and input of light intensity and light direction through the sensor, the photosensitive element and the corresponding circuit; the control module receives the signal from the detection module and analyzes and processes the signal; the space angular displacement module realizes tracking measurement of sunlight by adjusting a horizontal azimuth angle and a longitudinal elevation angle; the energy storage module can store electric energy generated by the flexible solar panel and complete power supply to the device; and the display module displays the data processed by the control module, such as the illumination intensity, the electric quantity, the spatial azimuth angle and other related parameters.
The reflection light-gathering module comprises a parabolic concave shell 1 and a flexible solar panel 2, wherein the parabolic concave shell 1 is made of an insulating hard material and has a smooth surface; the flexible solar panel 2 is light, thin and bendable and is fixed on the inner concave surface of the parabolic concave shell 1; the flexible solar panel 2 can capture a portion of the incident light and convert it into electrical energy, and the remaining portion of the light can be reflected.
The detection module comprises a carrier 3, a photosensitive element 4, a detection circuit 5, a fixing rod 6 and a signal transmission line 7, wherein the surface of the carrier 3 is insulated and does not reflect light, the main axis of the carrier is collinear with the main optical axis of the parabolic concave shell 1, and the bottom center point of the carrier coincides with the focus of the parabolic concave shell 1; the number of the photosensitive elements 4 is 9, one of the photosensitive elements is arranged at the central point of the outer surface of the bottom of the carrier 3, and the rest 8 photosensitive elements 4 are uniformly distributed around the central point of the outer surface of the bottom; the detection circuit 5 is arranged in the carrier 3 and is used for detecting the current signal output by the photosensitive element 4 in real time; the fixing rod 6 is made of a hard material, is hollow and has an insulated surface, and is used for fixing the carrier 3; the signal transmission line 7 penetrates through the fixing rod 6 and is insulated on the surface, is connected with the output end of the detection circuit 5 and the input end of the controller 8, and can transmit photocurrent signals.
The control module comprises a controller 8, the controller 8 is arranged in a base 17, the controller 8 receives signals of the detection circuit 5 and calculates in real time to generate control signals, the steering engine 9 and the linear motor 12 are controlled to move respectively, the horizontal azimuth angle and the longitudinal elevation angle of the parabolic concave shell 1 are adjusted in real time, reflected light of the flexible solar panel 2 is focused on the photosensitive element 4 at the central point of the carrier 3 all the time, and the controller 8 sends data after analysis processing to the display module to display relevant parameters such as illumination intensity, electric quantity and spatial azimuth angle.
The spatial angular displacement module comprises a steering engine 9, a rotating disc 10, a rotating shaft 11, a linear motor 12, a stretching rod 13, a tray 14 and a base 17, wherein the steering engine 9 is arranged in the base 17, a main shaft of a rotor of the steering engine 9 is connected with a main shaft of the rotating disc 10, the rotating disc 10 is driven by the steering engine 9 to rotate clockwise or anticlockwise, and the horizontal azimuth angle of the parabolic concave shell 2 is adjusted; the rotating shaft 11 is connected with the rotating disc 10 and the bottom of the tray 14; the linear motor 12 is arranged inside the rotating disc 10 and connected with the stretching rod 13, one end of the stretching rod 13 is connected with the bottom of the tray 14, the other end of the stretching rod 13 is connected with the linear motor 12, and the longitudinal height angle of the parabolic concave shell 2 is adjusted through up-down stretching; the tray 14 is fixed at the central back of the parabolic concave shell 2, and the bottom of the tray is connected with the rotating disc 10 through a rotating shaft 11 and a stretching rod 13; the base 17 fixedly supports the entire device.
The energy storage module comprises a storage battery 15, wherein the storage battery 15 is arranged in the base 17 and can store electric energy generated by the flexible solar panel and complete power supply of the device.
The display module comprises a liquid crystal screen 16, the liquid crystal screen 16 is installed outside a base 17 and connected with the controller 8, and relevant parameters such as illumination intensity, electric quantity and spatial azimuth angle are displayed.
Compared with the prior art, the invention has the advantages that: according to the invention, reflected light of the flexible solar panel is focused on a central photosensitive element in a certain layout, and the reflected light of the flexible solar panel is focused on the position of the central point of a carrier to complete the determination of light direction by adjusting the horizontal azimuth angle and the longitudinal elevation angle of a parabolic concave shell in a device; and the illumination intensity is determined according to the output current of the point photosensitive element, and the storage battery is charged and discharged to provide electric energy for the device. The invention replaces the traditional tracking detection domain with the tracking detection point, thereby avoiding the detection deviation generated by any complex interference.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
According to the embodiment of the invention, the sun detection device based on reflection focusing is shown in fig. 1 and comprises a reflection light-gathering module, a detection module, a control module, a spatial angular displacement module, an energy storage module and a display module, wherein the reflection light-gathering module is used for focusing sunlight on one point through reflection so as to realize the determination of light intensity and light direction; the detection module completes detection and input of light intensity and light direction through the sensor, the photosensitive element and the corresponding circuit; the control module receives the signal from the detection module and analyzes and processes the signal; the space angular displacement module realizes tracking measurement of sunlight by adjusting a horizontal azimuth angle and a longitudinal elevation angle; the energy storage module can store electric energy generated by the flexible solar panel and complete power supply to the device; and the display module displays the data processed by the control module, such as the illumination intensity, the electric quantity, the spatial azimuth angle and other related parameters.
The reflection light-gathering module comprises a parabolic concave shell 1 and a flexible solar panel 2, wherein the parabolic concave shell 1 is made of an insulating hard material and has a smooth surface; the flexible solar panel 2 is light, thin, bendable and fixed on the concave surface in the parabolic concave surface shell 1; the flexible solar panel 2 can capture a portion of the incident light and convert it into electrical energy, and the remaining portion of the light can be reflected.
The detection module comprises a carrier 3, a photosensitive element 4, a detection circuit 5, a fixing rod 6 and a signal transmission line 7, wherein the surface of the carrier 3 is insulated and does not reflect light, the main axis of the carrier is collinear with the main optical axis of the parabolic concave shell 1, and the bottom center point of the carrier coincides with the focus of the parabolic concave shell 1; the number of the photosensitive elements 4 is 9, one of the photosensitive elements is arranged at the central point of the outer surface of the bottom of the carrier 3, and the rest 8 photosensitive elements 4 are uniformly distributed around the central point of the outer surface of the bottom; the detection circuit 5 is arranged in the carrier 3 and is used for detecting the current signal output by the photosensitive element 4 in real time; the fixing rod 6 is made of a hard material, is hollow and has an insulated surface, and is used for fixing the carrier 3; the signal transmission line 7 penetrates through the fixing rod 6 and is insulated on the surface, is connected with the output end of the detection circuit 5 and the input end of the controller 8, and can transmit photocurrent signals.
The control module comprises a controller 8, the controller 8 is arranged in a base 17, the controller 8 receives signals of the detection circuit 5 and performs real-time calculation to generate control signals to respectively control the motion of the steering engine 9 and the linear motor 12 and adjust the horizontal azimuth angle and the longitudinal elevation angle of the parabolic concave shell 1 in real time, so that the reflected light of the flexible solar panel 2 is always focused on the photosensitive element 4 at the central point of the carrier 3, the controller 8 sends the analyzed and processed data to the display module to display relevant parameters such as illumination intensity, electric quantity and spatial azimuth angle, and the controller 8 is a PLC (programmable logic controller) or an embedded controller.
The spatial angular displacement module comprises a steering engine 9, a rotating disc 10, a rotating shaft 11, a linear motor 12, a stretching rod 13, a tray 14 and a base 17, wherein the steering engine 9 is arranged in the base 17, a main shaft of a rotor of the steering engine 9 is connected with a main shaft of the rotating disc 10, the rotating disc 10 is driven by the steering engine 9 to rotate clockwise or anticlockwise, and the horizontal azimuth angle of the parabolic concave shell 2 is adjusted; the rotating shaft 11 is connected with the rotating disc 10 and the bottom of the tray 14; the linear motor 12 is arranged inside the rotating disc 10 and connected with the stretching rod 13, one end of the stretching rod 13 is connected with the bottom of the tray 14, the other end of the stretching rod 13 is connected with the linear motor 12, and the longitudinal height angle of the parabolic concave shell 2 is adjusted through up-down stretching; the tray 14 is fixed at the central back of the parabolic concave shell 2, and the bottom of the tray is connected with the rotating disc 10 through a rotating shaft 11 and a stretching rod 13; the base 17 fixedly supports the entire device.
The energy storage module comprises a storage battery 15, wherein the storage battery 15 is arranged in the base 17 and can store electric energy generated by the flexible solar panel and complete power supply of the device.
The display module comprises a liquid crystal screen 16, the liquid crystal screen 16 is installed outside a base 17 and connected with the controller 8, relevant parameters such as illumination intensity, electric quantity and spatial azimuth angle are displayed, and the type of the liquid crystal screen 16 is an LX-12864B11 liquid crystal display screen.
The working process of the device is as follows: when sunlight (parallel light) vertically irradiates a tangent plane corresponding to the parabolic concave shell 1, the focus of the reflected light of the flexible solar panel is always positioned on the photosensitive element 4 at the central point of the carrier 3, and only the central photosensitive element 4 of the carrier 3 can detect a current signal, so that the sunlight direction at the moment can be determined; the controller 8 does not send out pulse and angular displacement signals, the steering engine 9 and the linear motor 12 do not operate, and the illumination intensity of the sun at the moment is determined according to the magnitude of the output current on the point photosensitive element; the liquid crystal panel 16 displays the light direction and the light intensity of the sun at that time.
When the angle of sunlight (parallel light) changes and is not perpendicular to the tangent plane corresponding to the parabolic concave shell 1, the focus of the reflected light of the flexible solar panel deviates from the photosensitive element 4 at the central point of the carrier 3 and falls on one of the other photosensitive elements, no current signal exists on the photosensitive element 4 at the central point at the moment, only one photosensitive element around the photosensitive element can detect a current signal, the controller 8 generates a pulse and an angular displacement signal according to the calculation of the signal, respectively controls the steering engine 9 and the linear motor 12 to operate, adjusts the space angle of the parabolic concave shell in the same direction as the photosensitive element with the current signal output until the photosensitive element 4 at the central point of the carrier 3 regenerates the current signal, and can determine that the light is perpendicular to the tangent plane corresponding to the parabolic concave shell 2 again; the controller 8 stops sending out pulse and angular displacement signals, the steering engine 9 and the linear motor 12 stop running, and the illumination intensity of the sun at the moment is determined according to the output current of the point photosensitive element; the liquid crystal panel 16 displays the light direction and the light intensity of the sun at that time.
Through the space angle of the reflection light-gathering module, the reflected light of the inner surface of the parabolic concave shell is always focused on the photosensitive element at the central point of the carrier, the current of the parabolic concave shell is detected, the detection of sunlight to the illumination intensity is completed, and the problems that a traditional light to illumination intensity detection device needs an external power supply, the accuracy is low and the size is large are solved.
Claims (7)
1. A sunlight-to-illumination intensity detection device based on reflection focusing comprises: the device comprises a reflection light-gathering module, a detection module, a control module, a spatial angular displacement module, an energy storage module and a display module; the reflection light-gathering module is used for focusing sunlight on one point through reflection to realize the determination of light intensity and light direction; the detection module completes detection and input of light intensity and light direction through the sensor, the photosensitive element and the corresponding circuit; the control module receives the signal from the detection module and analyzes and processes the signal; the space angular displacement module realizes tracking measurement of sunlight by adjusting a horizontal azimuth angle and a longitudinal elevation angle; the energy storage module can store electric energy generated by the flexible solar panel and complete power supply to the device; and the display module displays the data processed by the control module, such as the illumination intensity, the electric quantity, the spatial azimuth angle and other related parameters.
2. The reflective concentrator module of claim 1, wherein: including parabolic concave surface shell (1), flexible solar panel (2), wherein:
the parabolic concave shell (1) is made of an insulating hard material and has a smooth surface;
the flexible solar panel (2) is light, thin and bendable and is fixed on the inner concave surface of the parabolic concave shell (1).
3. The detection module of claim 1, wherein: including carrier (3), photosensitive element (4), detection circuitry (5), dead lever (6), signal transmission line (7), wherein:
the surface of the carrier (3) is insulated and does not reflect light, the main axis of the carrier is collinear with the main optical axis of the parabolic concave shell (1), and the bottom center point of the carrier is superposed with the focus of the parabolic concave shell (1);
the number of the photosensitive elements (4) is 9, one of the photosensitive elements is arranged at the central point of the outer surface of the bottom of the carrier (3), and the rest 8 photosensitive elements (4) are uniformly distributed around the central point of the outer surface of the bottom;
the detection circuit (5) is arranged in the carrier (3) and is used for detecting a current signal output by the photosensitive element (4) in real time;
the fixing rod (6) is made of a hard material, is hollow and has an insulated surface, and is used for fixing the carrier (3);
the signal transmission line (7) penetrates through the fixing rod (6) and is insulated on the surface, the output end of the detection circuit (5) and the input end of the control module (8) are connected, and the signal transmission line can transmit photocurrent signals.
4. The control module according to claim 1, wherein the controller (8) is disposed inside the base (17), the controller (8) receives signals of the detection circuit (5) and performs real-time calculation to generate control signals, the control signals respectively control the motion of the steering engine (9) and the linear motor (12), the horizontal azimuth angle and the longitudinal elevation angle of the parabolic concave shell (1) are adjusted in real time, reflected light of the flexible solar panel (2) is always focused on the photosensitive element (4) at the central point of the carrier (3), and the controller (8) sends analyzed and processed data to the display module.
5. The spatial angular displacement module of claim 1, wherein: including steering wheel (9), rotating disc (10), pivot (11), linear electric motor (12), stretch pull rod (13), tray (14), base (17), wherein:
the steering engine (9) is arranged in the base (17), a main shaft of a rotor of the steering engine (9) is connected with a main shaft of the rotating disc (10), the rotating disc (10) is driven by the steering engine (9) to rotate clockwise or anticlockwise, and the horizontal azimuth angle of the parabolic concave shell (2) is adjusted;
the rotating shaft (11) is connected with the rotating disc (10) and the bottom of the tray (14);
the linear motor (12) is arranged inside the rotating disc (10) and is connected with a stretching rod (13), one end of the stretching rod (13) is connected with the bottom of the tray (14), the other end of the stretching rod is connected with the linear motor (12), and the longitudinal height angle of the parabolic concave shell (2) is adjusted by stretching up and down;
the tray (14) is fixed at the central back of the parabolic concave shell (2), and the bottom of the tray is connected with the rotating disc (10) through a rotating shaft (11) and a stretching rod (13);
the base (17) fixedly supports the whole device.
6. Energy storage module according to claim 1, characterized in that it comprises a battery (15), said battery (15) being placed inside a seat (17).
7. A display module according to claim 1, characterized in that the display module comprises a liquid crystal screen (16), the liquid crystal screen (16) being mounted outside the chassis (17) in connection with the controller (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110442099.0A CN113108900A (en) | 2021-04-23 | 2021-04-23 | Sunlight is to illumination intensity detection device based on reflection focus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110442099.0A CN113108900A (en) | 2021-04-23 | 2021-04-23 | Sunlight is to illumination intensity detection device based on reflection focus |
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| CN202110442099.0A Pending CN113108900A (en) | 2021-04-23 | 2021-04-23 | Sunlight is to illumination intensity detection device based on reflection focus |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010109078A (en) * | 2008-10-29 | 2010-05-13 | Kanto Auto Works Ltd | Sunlight tracking device |
| CN105320154A (en) * | 2015-11-12 | 2016-02-10 | 长安大学 | Solar power generation device, solar power generation system and control method thereof |
| CN110456828A (en) * | 2019-08-08 | 2019-11-15 | 西安工业大学 | Small-sized disc type solar energy temperature closed loop tracking system |
| CN210864424U (en) * | 2019-11-27 | 2020-06-26 | 新疆大学 | Sunlight direction detection device for solar power generation device |
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2021
- 2021-04-23 CN CN202110442099.0A patent/CN113108900A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010109078A (en) * | 2008-10-29 | 2010-05-13 | Kanto Auto Works Ltd | Sunlight tracking device |
| CN105320154A (en) * | 2015-11-12 | 2016-02-10 | 长安大学 | Solar power generation device, solar power generation system and control method thereof |
| CN110456828A (en) * | 2019-08-08 | 2019-11-15 | 西安工业大学 | Small-sized disc type solar energy temperature closed loop tracking system |
| CN210864424U (en) * | 2019-11-27 | 2020-06-26 | 新疆大学 | Sunlight direction detection device for solar power generation device |
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Application publication date: 20210713 |