CN219435253U - Sunlight reflector device - Google Patents
Sunlight reflector device Download PDFInfo
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- CN219435253U CN219435253U CN202320645500.5U CN202320645500U CN219435253U CN 219435253 U CN219435253 U CN 219435253U CN 202320645500 U CN202320645500 U CN 202320645500U CN 219435253 U CN219435253 U CN 219435253U
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- reflecting mirror
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Abstract
The present application relates to a heliostat device comprising a light direction detection system and a heliostat device; the solar reflecting device comprises a first motor, a second motor, a frame and a reflecting mirror arranged on the frame; the frame comprises a first driving arm and a second driving arm, and the first motor is connected with the first driving arm and drives the first driving arm to realize radial rotation of the reflecting mirror; the second motor is connected with the second driving arm and drives the second driving arm to realize the rotation of the reflecting mirror in the axial direction; the sunlight reflecting device comprises a control system connected with the first motor and the second motor, and the light direction detecting system is used for measuring the sunlight illumination angle and sending a signal to the control system; the control system controls the first motor and the second motor to rotate at a preset rotation angle until the reflecting mirror reaches a specified angle.
Description
Technical Field
The present application relates to the technical field of solar light applications, and in particular, to a solar reflector device.
Background
In the current production and life, the participation and use of sunlight are required for plant cultivation, solar energy products, illumination, shooting and the like. However, due to the problems of illumination angle, illumination intensity and the like, sunlight cannot be utilized in many cases, inconvenience is brought to production and life, and the problems of how to introduce sunlight and how to solve by using an energy-saving and cleaning method are gradually revealed.
With the trend of global warming, since 7 months of 2022, the power demand, especially the air conditioner power consumption, has been rapidly increased due to extremely high temperature, and the occurrence of a slip in hydroelectric power generation has been caused by drought weather in a part of regions. Although the load of the northwest, southwest and North China power grid is continuously high in 7 months, the power utilization gap is mostly made up by adopting measures with little economic influence such as demand side response and high-energy-consumption enterprise wheel overhaul. These data tell us that it is imperative to alleviate the current energy problem. It is apparent that the use of solar light best meets this requirement, and solar light is a natural source of light that is not only clean and healthy, but also inexhaustible. This is not comparable to any other form of energy source.
In this case, therefore, we have sought a product that makes multiple uses of sunlight. The product can effectively carry out diversified utilization on sunlight on the premise of cleanness and energy conservation, and can supplement sunlight to places with insufficient sunlight, so that production and life become more convenient.
Disclosure of Invention
In order to solve the problems, the sunlight is utilized in a tracking reflection mode, and energy sources are effectively saved. The application provides a solar reflecting mirror device, which adopts the following technical scheme:
a solar reflecting mirror device comprises a light direction detection system and a solar reflecting device; the solar reflecting device comprises a first motor, a second motor, a frame and a reflecting mirror arranged on the frame;
the frame comprises a first driving arm and a second driving arm, and the first motor is connected with the first driving arm and drives the first driving arm to realize radial rotation of the reflecting mirror; the second motor is connected with the second driving arm and drives the second driving arm to realize the rotation of the reflecting mirror in the axial direction;
the sunlight reflecting device comprises a control system connected with the first motor and the second motor, and the light direction detecting system is used for measuring the sunlight illumination angle and sending a signal to the control system;
the control system controls the first motor and the second motor to rotate at a preset rotation angle until the reflecting mirror reaches a specified angle.
In a preferred embodiment, the light direction detection system includes a photosensitive array, in which a plurality of photosensitive sensing elements are disposed, and the photosensitive sensing elements are symmetrically distributed;
a photosensitive sensor corresponds to a light incident direction of sunlight.
In a preferred embodiment, the photosensitive array is externally packaged with a cuboid packaging box, the top of the packaging box is provided with an incident hole, and the incident hole is used for projecting the rays of sunlight onto the photosensitive array.
In a preferred embodiment, the photosensitive element is a photoresistor.
In a preferred embodiment, the solar mirror device further comprises active ultrasonic ranging means for measuring the reflection distance from the mirror to the reflection destination.
In a preferred embodiment, the source ultrasonic ranging device comprises an ultrasonic level sensor or an ultrasonic probe.
In a preferred embodiment, the first motor and the second motor are configured as 57 stepper motors.
In a preferred embodiment, the control system is provided with a single-chip microcomputer control chip.
In summary, the present application includes the following beneficial effects:
1. the first motor and the second motor realize the radial and axial rotation of the reflecting mirror, so that the multidirectional adjustment of the reflecting mirror can be realized, and the solar rays in any direction can be tracked.
2. The light direction detection system automatically detects the position of sunlight and controls the reflecting mirror to rotate to a required angle, so that the sunlight is reflected to a destination. When the angle of the solar input light rays changes, the information sensed by the light direction detection system also changes, so that the corresponding change of the reflecting mirror is controlled, and the purposes of real-time tracking and real-time change are achieved.
Drawings
FIG. 1 is a schematic view of a heliostat of the embodiment;
fig. 2 is a control flow chart of the control system of the motor of the present embodiment;
FIG. 3 is a distribution diagram of the photosensitive array of the present embodiment;
fig. 4 is a schematic view of the photosensitive array external package of the present embodiment.
Reference numerals illustrate: 1. a first motor; 2. a second motor; 3. a frame; 31. a first driving arm; 32. a second driving arm; 4. a reflecting mirror; 5. a photosensitive array; 6. packaging the box; 61. and (3) entering the hole.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-4.
The embodiment of the application discloses a solar reflecting mirror device, which comprises a light direction detection system and a solar reflecting device.
As shown in fig. 1, the solar reflecting device comprises a first motor 1, a second motor 2, a frame 3 and a reflecting mirror 4 arranged on the frame 3, wherein the frame 3 is composed of hollow hard water pipes and is used for connecting the first motor 1 and the second motor 2 to respectively control the direction and the rotation angle of the reflecting mirror 4 so as to ensure that the light can be reflected from all directions.
In this embodiment, the first motor 1 and the second motor 2 are both 5-step motors, a mirror 4 is fixed in a middle frame of the frame 3, the middle frame is extended to two sides to form a second driving arm 32, the second driving arm 32 is extended downward to form a first driving arm 31, the mirror surface of the mirror 4 is taken as a reference, the mirror surface is vertical to the axial direction, and the mirror surface is parallel to the radial direction.
The first motor 1 is connected to the first driving arm 31 and drives the first driving arm 31 to rotate to realize the rotation of the reflecting mirror 4 in the radial direction, and the second motor 2 is connected to the second driving arm 32 and drives the second driving arm 32 to realize the rotation of the reflecting mirror 4 in the axial direction, so that the solar rays in any direction can be tracked.
In this embodiment, the solar reflection device includes a control system connected to the first motor 1 and the second motor 2, where the control system is in communication connection with the light direction detection system, a single-chip microcomputer control chip is built in the control system, and the light direction detection system automatically detects the position of sunlight and feeds back to the control system, and the single-chip microcomputer controls the rotation of the motor, and the reflector 4 is driven by the motor to rotate to a required angle, so as to reflect the sunlight to a destination, and when the angle of incident light of the sunlight changes, the light direction detection system also changes the sensed position information, and then the single-chip microcomputer controls the motor to complete corresponding changes, so as to achieve the purposes of real-time tracking and real-time change.
In this embodiment, the light direction detection system and the control system of the device are connected and controlled, and the two systems can be respectively placed at proper positions for adjustment, and meanwhile, the solar mirror device further comprises an active ultrasonic ranging device for measuring the reflection distance from the mirror 4 to the reflection destination, so that the illumination position of the reflected sunlight can be more accurately determined, and the reflection adjustment of the sunlight can be performed.
The sunlight reflector device of the embodiment realizes the tracking reflection utilization of sunlight through the reasonable combination of the light direction detection system, the sunlight reflector device and the source ultrasonic ranging device, and effectively saves energy.
In this embodiment, the light direction detecting system is configured such that a photosensitive array 5 is built in the light direction detecting system, the photosensitive array 5 is formed by a plurality of photosensitive sensing elements, and the plurality of photosensitive sensing elements are symmetrically distributed, as shown in fig. 3, and the photosensitive sensing elements adopt a photosensitive resistor. A photosensitive sensing element corresponds to the light incidence direction of sunlight, and in a specific direction, the first motor 1 and the second motor 2 are controlled by a singlechip chip of a control system to enable the reflecting mirror 4 to rotate to a set angle, and the angle can reflect the sunlight to the corresponding destination through the reflecting mirror 4.
As shown in fig. 4, the photosensitive array 5 is externally packaged with a cuboid packaging box 6, an incident hole 61 is formed in the top of the packaging box 6, the sunlight is projected onto the photosensitive array 5 through the incident hole 61, the sunlight is incident from a certain direction and is projected onto a certain photoresistor in the photosensitive array 5, and the purpose of determining the light direction is achieved by determining a straight line through the two points of the opening and the photoresistor, so that the sunlight is discretely simulated and tracked.
The packaging box 6 is a cuboid, four sides face to four directions of southeast, northwest and northwest, and when the photoresistor in the east (west) direction is changed by illumination, the included angle alpha between the sun ray in the east (west) direction and the ground can be calculated according to a formula 1 The same principle can calculate the included angle alpha between the sun light and the ground in the north-south direction 2 . According to the east (west) direction of sunlight, the angle between the north (north) direction and the ground can be calculated to be the actual parallel light of the sunSo when the device is placed vertically and parallel to the outer encapsulation of the photosensitive array 5, the first motor 1 adjusts the angle of the apparatus to +.>The second motor 2 adjusts the mirror angle to +.>
Wherein the included angle alpha 1 Or an included angle alpha 2 Is calculated by the depth of the packaging box 6 and the distance from the projection point of the incident hole 61 vertically downwards to the illuminated photoresistorTan function value of the line angle of (c).
In the present embodiment, the control system and algorithm of the motor are as follows (the control program block diagram of the control system of the motor is shown in fig. 2):
firstly, the work of enabling the motor to start rotating is completed, the motor control system is used for repeatedly debugging by using a simple code, a special adaptive driver and a standard power supply to realize controllable rotation, then the principle used in debugging is matched with a preset value to complete changeable fixed angle rotation, finally, the operation information of the light direction detection system is combined, and the rotation of the corresponding angle is completed when a signal of a certain module is received to complete a specific function.
When sunlight irradiates the photosensitive array 5 through the penetration hole 61, the corresponding photosensitive sensing element senses the change of light intensity (when the light passes through the light direction detection system, the illumination angle is measured and transmitted to the motor by the singlechip), the information is transmitted to the singlechip, the motor rotates to a specified direction through a preset rotation angle, then a reasonable angle is calculated according to the incident angle of the light, and the motor is controlled to adjust the reflecting mirror 4 to a proper angle.
The control chip of the motor control system adopts the simplest single chip microcomputer chip, and the illumination angle information is transmitted to the single chip microcomputer through the photosensitive system so as to control the motor to realize illumination reflection at a preset angle.
In this embodiment, the source ultrasonic ranging device is used for measuring the reflection distance from the reflecting mirror 4 to the reflection destination, and the source ultrasonic ranging device detects the shot target by emitting ultrasonic waves with characteristic frequency, and converts the distance by emitting ultrasonic waves with characteristic frequency and reflecting time taken for receiving the ultrasonic waves with characteristic frequency, such as an ultrasonic liquid level sensor and an ultrasonic probe, and is suitable for occasions needing non-contact measurement, ultrasonic thickness measurement, an ultrasonic automobile ranging alarm device robot, and the like.
In the present embodiment, rotation adjustment of the first motor 1 and the second motor 2: the second motor 2 adjusts the angle in the radial direction: the second motor 2 is used as an external 57 stepping motor, the bottom of the second driving arm 32 rotates by taking a line vertical to the ground as an axis, and is connected with the 57 stepping motor.
The first motor 1 adjusts the direction in the axial direction, a 57-step motor is designed to control the mirror surface of the reflecting mirror 4 to rotate, and a middle box controls the mirror surface to rotate around the horizontal line as the axis.
The projection of the connecting line of the sun and the center point of the mirror surface on the horizontal plane is taken as an x axis by taking the center of the mirror surface as an origin, and a space rectangular coordinate system is established by taking the direction facing the sun as the positive direction. An included angle theta between sunlight and a horizontal plane is measured through a light direction detection system, and the motor is rotated to enable the mirror surface to be perpendicular to the sunlight; by targeted detection, the target center point positions (a, B, C) are obtained. The unit vector of the target center point direction is the sun direction unit vector. The direction vector of the normal direction of the mirror surface, which coincides with the target center point at the target location projection point, can be calculated as. The rotating electric machine overlaps the mirror surface with the normal line, and the first motor 1 has a rotation angle and the second motor 2 has a rotation angle.
And detecting whether the projection area is in the target area, if detecting that a part of the projection area is not in the target area, respectively rotating the first motor 1 and the second motor 2 by 0.1 degrees, and detecting again after the rotation is finished until the projection area is all in the target area.
The detection of the projection surface is as follows: and respectively calculating coordinates of projection points corresponding to four vertexes of the reflector 4, judging whether the four coordinate points are in the area according to the known target area range, and if so, finishing adjustment. If one or more points are not present, the horizontal and vertical deviation angles are calculated at the points not present in the area and the first motor 1 and the second motor 2 are respectively adjusted until the points are adjusted to be within the area. And adjusting the four points into the areas in sequence, and finally re-detecting whether the four points are in the areas or not, and if not, re-adjusting until the four points are in the target areas.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (8)
1. A heliostat device characterized by: the solar reflecting mirror device comprises a light direction detection system and a solar reflecting device; the solar reflecting device comprises a first motor, a second motor, a frame and a reflecting mirror arranged on the frame;
the frame comprises a first driving arm and a second driving arm, and the first motor is connected with the first driving arm and drives the first driving arm to realize radial rotation of the reflecting mirror; the second motor is connected with the second driving arm and drives the second driving arm to realize the rotation of the reflecting mirror in the axial direction;
the sunlight reflecting device comprises a control system connected with the first motor and the second motor, and the light direction detecting system is used for measuring the sunlight illumination angle and sending a signal to the control system;
the control system controls the first motor and the second motor to rotate at a preset rotation angle until the reflecting mirror reaches a specified angle.
2. A heliostat device according to claim 1, wherein: the light direction detection system comprises a photosensitive array, wherein a plurality of photosensitive sensing elements are arranged in the photosensitive array, and the photosensitive sensing elements are symmetrically distributed;
a photosensitive sensor corresponds to a light incident direction of sunlight.
3. A heliostat device according to claim 2, wherein: the photosensitive array is externally packaged with a cuboid packaging box, an incident hole is formed in the top of the packaging box, and rays of sunlight are projected onto the photosensitive array through the incident hole.
4. A heliostat device according to claim 2, wherein: the photosensitive sensing element is a photoresistor.
5. A heliostat device according to claim 1, wherein: the heliostat device also includes an active ultrasonic ranging device for measuring a reflection distance from the mirror to the reflection destination.
6. A heliostat device as in claim 5 wherein: the source ultrasonic ranging device comprises an ultrasonic liquid level sensor or an ultrasonic probe.
7. A heliostat device according to claim 1, wherein: the first motor and the second motor are arranged as 57 stepping motors.
8. A heliostat device according to claim 1, wherein: and a singlechip control chip is arranged in the control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320645500.5U CN219435253U (en) | 2023-03-29 | 2023-03-29 | Sunlight reflector device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320645500.5U CN219435253U (en) | 2023-03-29 | 2023-03-29 | Sunlight reflector device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219435253U true CN219435253U (en) | 2023-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320645500.5U Active CN219435253U (en) | 2023-03-29 | 2023-03-29 | Sunlight reflector device |
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| Country | Link |
|---|---|
| CN (1) | CN219435253U (en) |
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- 2023-03-29 CN CN202320645500.5U patent/CN219435253U/en active Active
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