CN113138017A - Sunlight is to illumination intensity detection device based on focus - Google Patents
Sunlight is to illumination intensity detection device based on focus Download PDFInfo
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- CN113138017A CN113138017A CN202110442228.6A CN202110442228A CN113138017A CN 113138017 A CN113138017 A CN 113138017A CN 202110442228 A CN202110442228 A CN 202110442228A CN 113138017 A CN113138017 A CN 113138017A
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- 238000001514 detection method Methods 0.000 title claims abstract description 49
- 238000005286 illumination Methods 0.000 title claims abstract description 29
- 238000006073 displacement reaction Methods 0.000 claims abstract description 14
- 238000004146 energy storage Methods 0.000 claims abstract description 12
- 239000004973 liquid crystal related substance Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 6
- 230000008054 signal transmission Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 3
- 230000005494 condensation Effects 0.000 claims description 2
- 238000009833 condensation Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 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
- 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
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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
- G01J2001/4266—Photometry, e.g. photographic exposure meter using electric radiation detectors for measuring solar light
Abstract
The invention discloses a sunlight-to-illumination intensity detection device based on focusing, which comprises a light-focusing module, a detection module, a control module, a spatial angular displacement module, a display module and an energy storage module, wherein incident light rays penetrating through a transparent condenser are always focused on a photosensitive element at the central point of the upper surface of the bottom of a shell by controlling the spatial angle of the light-focusing module, the current magnitude of the photosensitive element is detected, and the sunlight-to-illumination intensity detection is completed, so that the problems that the traditional sunlight-to-illumination intensity detection device needs an external power supply, and is low in accuracy and large in size are solved.
Description
Technical Field
The invention relates to the technical field of sunlight detection, in particular to a sunlight illumination intensity detection device based on 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.
In order to overcome the defects of low detection precision and limitation in the application field in the prior art, the invention aims to provide a device for detecting the sunlight illumination intensity based on focusing, which focuses light on the position of the central point of the upper surface of the bottom of a shell 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 device for detecting sunlight illumination intensity based on focusing comprises a light condensing module, a detection module, a control module, a spatial angular displacement module, a display module and an energy storage module; the light-gathering module is used for gathering sunlight at one point through the transparent light-gathering lens to determine 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 display module displays relevant parameters such as illumination intensity, electric quantity, space azimuth angle and the like of the data processed by the control module; the energy storage module can store electric energy generated by the solar panel and complete power supply of the device.
The light-gathering module comprises a solar panel 1, a transparent light-gathering lens 2 and a shell 3, wherein the solar panel 1 is fixed at the upper end of the shell 2 and captures a part of incident light and converts the incident light into electric energy; the transparent condenser 2 is embedded in the center of the solar panel 1, the main optical axis of the transparent condenser is collinear with the central axis of the shell 3, the rest part of light rays pass through the transparent condenser 2, and the focus is superposed with the central point of the upper surface of the bottom of the shell 3; the shell 3 is cylindrical and made of insulating hard materials, and the upper end of the shell is used for fixing the transparent condenser 2.
The detection module comprises 9 photosensitive elements 4, a detection circuit 5 and a signal transmission line 6, wherein one of the photosensitive elements 4 is arranged at the center of the inner surface of the bottom of the shell 3, and the other 8 photosensitive elements are uniformly distributed around the center of the inner surface of the bottom of the shell 3; the detection circuit 5 is arranged in the shell 3 and is used for detecting the current signal output by the photosensitive element 4 in real time; the signal transmission line 6 is insulated on the surface, is connected with each module and can transmit photocurrent signals.
The control module comprises a controller 7, the controller 7 is arranged in a base 15, the control module 7 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 8 and the linear motor 11, the horizontal azimuth angle and the longitudinal elevation angle of the shell 3 are adjusted in real time, incident light rays passing through the transparent condenser 2 are always focused on the photosensitive element 4 at the central point of the upper surface of the bottom of the shell 3, the controller 8 sends data after analysis processing to the display module, and relevant parameters such as illumination intensity, electric quantity, spatial azimuth angle and the like are displayed.
The spatial angular displacement module comprises a steering engine 8, a rotating disc 9, a rotating shaft 10, a linear motor 11, a stretching rod 12 and a base 15, wherein the steering engine 8 is arranged in the base 15, a main shaft of a rotor of the steering engine 8 is connected with a main shaft of the rotating disc 9, the rotating disc 9 is driven by the steering engine 8 to rotate clockwise or anticlockwise, and the horizontal azimuth angle of the shell 3 is adjusted; the rotating shaft 10 is connected with the rotating disc 9 and the bottom of the shell 3; the linear motor 11 is arranged inside the rotating disc 9 and is connected with the stretching rod 12, one end of the stretching rod 12 is connected with the bottom of the shell 3, the other end of the stretching rod 12 is connected with the linear motor 11, and the longitudinal height angle of the shell 3 is adjusted by stretching up and down; the base 15 fixedly supports the entire device.
The display module comprises a liquid crystal screen 13, wherein the liquid crystal screen 13 is installed outside the base 15 and connected with the control module 7, and relevant parameters such as illumination intensity, electric quantity and spatial azimuth angle are displayed.
The energy storage module comprises a solar storage battery 14, the solar storage battery 14 is arranged in the base 15, electric energy emitted by the flexible solar panel can be stored, and power supply to the device is completed.
Compared with the prior art, the invention has the advantages that: the invention focuses the light passing through the transparent condenser on a central photosensitive element in a certain layout, and the light passing through the transparent condenser is focused on the position of the central point of the upper surface of the bottom of the shell to complete the determination of the light direction by adjusting the horizontal azimuth angle and the longitudinal elevation angle of the shell in the 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 device for detecting the illumination intensity based on the focused sunlight comprises a light condensing module, a detection module, a control module, a spatial angular displacement module, a display module and an energy storage module, wherein the light condensing module is used for focusing sunlight on one point through a transparent condensing lens 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 display module displays relevant parameters such as illumination intensity, electric quantity, space azimuth angle and the like of the data processed by the control module; the energy storage module can store electric energy generated by the solar panel and complete power supply of the device.
The light-gathering module comprises a solar panel 1, a transparent light-gathering lens 2 and a shell 3, wherein the solar panel 1 is fixed at the upper end of the shell 2 and captures a part of incident light and converts the incident light into electric energy; the transparent condenser 2 is embedded in the center of the solar panel 1, the main optical axis of the transparent condenser is collinear with the central axis of the shell 3, the rest part of light rays pass through the transparent condenser 2, and the focus is superposed with the central point of the upper surface of the bottom of the shell 3; the shell 3 is cylindrical and made of insulating hard materials, and the upper end of the shell is used for fixing the transparent condenser 2.
The detection module comprises 9 photosensitive elements 4, a detection circuit 5 and a signal transmission line 6, wherein one of the photosensitive elements 4 is arranged at the center of the inner surface of the bottom of the shell 3, and the other 8 photosensitive elements are uniformly distributed around the center of the inner surface of the bottom of the shell 3; the detection circuit 5 is arranged in the shell 3 and is used for detecting the current signal output by the photosensitive element 4 in real time; the signal transmission line 6 is insulated on the surface, is connected with each module and can transmit photocurrent signals.
The control module comprises a controller 7, the controller 7 is arranged in a base 15, the control module 7 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 8 and the linear motor 11, the horizontal azimuth angle and the longitudinal elevation angle of the shell 3 are adjusted in real time, incident light rays penetrating through the transparent condenser 2 are always focused on the photosensitive element 4 at the central point of the upper surface of the bottom of the shell 3, the controller 8 sends 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 7 is a PLC (programmable logic controller) or an embedded controller.
The spatial angular displacement module comprises a steering engine 8, a rotating disc 9, a rotating shaft 10, a linear motor 11, a stretching rod 12 and a base 15, wherein the steering engine 8 is arranged in the base 15, a main shaft of a rotor of the steering engine 8 is connected with a main shaft of the rotating disc 9, the rotating disc 9 is driven by the steering engine 8 to rotate clockwise or anticlockwise, and the horizontal azimuth angle of the shell 3 is adjusted; the rotating shaft 10 is connected with the rotating disc 9 and the bottom of the shell 3; the linear motor 11 is arranged inside the rotating disc 9 and is connected with the stretching rod 12, one end of the stretching rod 12 is connected with the bottom of the shell 3, the other end of the stretching rod 12 is connected with the linear motor 11, and the longitudinal height angle of the shell 3 is adjusted by stretching up and down; the base 15 fixedly supports the entire device.
The display module comprises a liquid crystal screen 13, the liquid crystal screen 13 is installed outside the base 15 and connected with the control module 7 to display relevant parameters such as illumination intensity, electric quantity and spatial azimuth angle, and the model of the liquid crystal screen 13 is an LX-12864B11 liquid crystal display screen.
The energy storage module comprises a solar storage battery 14, the solar storage battery 14 is arranged in the base 15, electric energy emitted by the flexible solar panel can be stored, and power supply to the device is completed.
The working process of the device is as follows: when sunlight (parallel light) vertically irradiates a plane corresponding to the bottom surface of the shell 3, light rays which penetrate through the transparent condenser 2 and enter the shell 3 are focused on the photosensitive element 4 at the central point of the upper surface of the bottom of the shell, and at the moment, only the photosensitive element 4 at the central point of the upper surface of the bottom of the shell 3 can detect a current signal, so that the light direction at the moment can be determined; the controller 7 does not send out pulse and angular displacement signals, the steering engine 8 and the linear motor 11 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 13 displays the light direction and the light intensity of the sun at that time.
When the angle of the sunlight (parallel light) changes and is not perpendicular to the plane corresponding to the bottom surface of the shell 3, the focusing point of the light incident into the interior of the housing 3 through the transparent condenser 2 is deviated from the central point of the upper surface of the bottom of the housing 3, a light spot is formed on one side of the central point of the upper surface of the bottom of the shell 3, no current signal exists on the photosensitive element 4 at the central point of the inner surface of the bottom of the shell 3, only one photosensitive element can detect the current signal, the controller 7 generates a pulse and an angular displacement signal according to the calculation of the signal, respectively controls the steering engine 8 and the linear motor 11 to operate, adjusts the space angle of the shell in the same direction of the photosensitive element with the current signal output until the current is generated on the photosensitive element 4 at the central point of the upper surface of the bottom of the shell 3 again, and can determine that the light is perpendicular to the plane determined by the bottom surface of the shell 3 again; the controller 7 stops sending out pulse and angular displacement signals, the steering engine 8 and the linear motor 11 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 13 displays the light direction and the light intensity of the sun at that time.
Through the space angle of the control light condensation module, the incident light passing through the transparent light condenser is always focused on the photosensitive element at the central point of the upper surface of the bottom of the shell, the current of the photosensitive element is detected, the detection of sunlight to the illumination intensity is completed, and the problems that the traditional light to illumination intensity detection device needs an external power supply, and is low in accuracy and large in size are solved.
Claims (7)
1. A device for detecting illumination intensity based on focused sunlight comprises: the device comprises a light condensation module, a detection module, a control module, a spatial angular displacement module, a display module and an energy storage module; the light-gathering module is used for gathering sunlight at one point through the transparent light-gathering lens to determine 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 display module displays relevant parameters such as illumination intensity, electric quantity, space azimuth angle and the like of the data processed by the control module; the energy storage module can store electric energy generated by the solar panel and complete power supply of the device.
2. The concentrator module of claim 1, wherein: including solar panel (1), transparent condensing lens (2), casing (3), wherein:
the solar panel (1) is fixed at the upper end of the shell (2);
the transparent condenser (2) is embedded in the center of the solar panel (1), the main optical axis of the transparent condenser is collinear with the central axis of the shell (3), and the focus is superposed with the central point of the upper surface of the bottom of the shell (3);
the shell (3) is cylindrical and made of an insulating hard material, and the upper end of the shell is used for fixing the transparent condenser (2).
3. The detection module of claim 1, wherein: the device comprises a photosensitive element (4), a detection circuit (5) and a signal transmission line (6), wherein:
the number of the photosensitive elements (4) is 9, one of the photosensitive elements is arranged at the center point of the inner surface of the bottom of the shell (3), and the rest 8 photosensitive elements are uniformly distributed around the center point of the inner surface of the bottom of the shell (3);
the detection circuit (5) is arranged in the shell (3) and is used for detecting a current signal output by the photosensitive element (4) in real time;
the signal transmission line (6) is insulated on the surface, is connected with each module and can transmit photocurrent signals.
4. The control module according to claim 1, characterized by comprising a controller (7) arranged inside the base (15), wherein the controller (7) receives signals of the detection circuit (5) and calculates in real time to generate control signals to control the motion of the steering engine (8) and the linear motor (11) respectively, and adjusts the horizontal azimuth angle and the longitudinal elevation angle of the shell (3) in real time to enable incident light rays passing through the transparent condenser (2) to be focused on the photosensitive element (4) at the central point of the upper surface of the bottom of the shell (3) all the time, and the controller (7) sends analyzed and processed data to the display module.
5. The spatial angular displacement module of claim 1, wherein: including steering wheel (8), rotating disc (9), pivot (10), linear electric motor (11), stretch pull rod (12), base (15), wherein:
the steering engine (8) is arranged in the base (15), a main shaft of a rotor of the steering engine (8) is connected with a main shaft of the rotary disc (9), the rotary disc (9) is driven by the steering engine (8) to rotate clockwise or anticlockwise, and the horizontal azimuth angle of the shell (3) is adjusted;
the rotating shaft (10) is connected with the rotating disc (9) and the bottom of the shell (3);
the linear motor (11) is arranged inside the rotating disc (9) and is connected with a stretching rod (12), one end of the stretching rod (12) is connected with the bottom of the shell (3), the other end of the stretching rod is connected with the linear motor (11), and the longitudinal height angle of the shell (3) is adjusted by stretching up and down;
the base (15) fixedly supports the whole device.
6. A display module according to claim 1, characterized in that the display module comprises a liquid crystal screen (13), which liquid crystal screen (13) is mounted outside the chassis (15) in connection with the control module (7).
7. Energy storage module according to claim 1, characterized in that the energy storage module comprises a battery (14), the battery (14) being placed inside a base (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110442228.6A CN113138017A (en) | 2021-04-23 | 2021-04-23 | Sunlight is to illumination intensity detection device based on focus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110442228.6A CN113138017A (en) | 2021-04-23 | 2021-04-23 | Sunlight is to illumination intensity detection device based on focus |
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| CN113138017A true CN113138017A (en) | 2021-07-20 |
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| CN202110442228.6A Pending CN113138017A (en) | 2021-04-23 | 2021-04-23 | Sunlight is to illumination intensity detection device based on 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 |
| WO2013136171A2 (en) * | 2012-03-16 | 2013-09-19 | Ricerca Sul Sistema Energetico - Rse S.P.A. | Device for measuring and controlling the alignment of solar rays incident on a photovoltaic module |
| CN212063916U (en) * | 2020-05-18 | 2020-12-01 | 南华大学 | Automatic light-following type power generation device and control system thereof |
| CN112152557A (en) * | 2020-09-22 | 2020-12-29 | 中国石油大学(华东) | Piezoelectricity driven solar cell panel intelligent regulation device |
-
2021
- 2021-04-23 CN CN202110442228.6A patent/CN113138017A/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 |
| WO2013136171A2 (en) * | 2012-03-16 | 2013-09-19 | Ricerca Sul Sistema Energetico - Rse S.P.A. | Device for measuring and controlling the alignment of solar rays incident on a photovoltaic module |
| CN212063916U (en) * | 2020-05-18 | 2020-12-01 | 南华大学 | Automatic light-following type power generation device and control system thereof |
| CN112152557A (en) * | 2020-09-22 | 2020-12-29 | 中国石油大学(华东) | Piezoelectricity driven solar cell panel intelligent regulation device |
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Application publication date: 20210720 |