CN210297620U

CN210297620U - Intelligent photovoltaic device

Info

Publication number: CN210297620U
Application number: CN201921670821.0U
Authority: CN
Inventors: 秦春营
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-08
Filing date: 2019-10-08
Publication date: 2020-04-10
Anticipated expiration: 2029-10-08

Abstract

The utility model provides an intelligence photovoltaic device, include: the solar tracking frame is provided with a solar azimuth tracking rotating shaft and a solar altitude angle tracking rotating shaft, the solar azimuth tracking rotating shaft is perpendicular to the horizontal plane and is arranged, the solar altitude angle tracking rotating shaft is parallel to the horizontal plane and is arranged, the solar photovoltaic assembly is connected to the solar altitude angle tracking rotating shaft, and the tracking controller is electrically connected with a rotation executing mechanism of the solar azimuth tracking rotating shaft and the solar altitude angle tracking rotating shaft. Install solar PV modules in the pivot is tracked to the sun altitude angle, make solar PV modules can track the pivot along the sun altitude angle and rotate in the frame is tracked to the sun, realize the pursuit to the sun altitude angle. Meanwhile, the solar azimuth tracking rotating shaft rotates to drive the solar photovoltaic module to rotate, and tracking of the solar azimuth is achieved. The equipment structure of the intelligent photovoltaic device is simple, and the construction cost is greatly reduced compared with a sun tracking device in the prior art.

Description

Intelligent photovoltaic device

Technical Field

The utility model belongs to the technical field of solar energy utilizes, concretely relates to intelligence photovoltaic device.

Background

Due to the rotation of the earth, compared with a solar photovoltaic power generation system at a fixed place, the solar photovoltaic power generation system can change the illumination angle of the sun all the time and at any moment in four seasons and every day in spring, summer, autumn and winter every year, so that the solar panel can be effectively ensured to be over against the sun all the time, and the power generation efficiency can reach the optimal state. The universal solar tracker in the world needs to calculate the angle of the sun at different times of each day in a year according to the information such as the longitude and the latitude of a placement point, store the sun position at each time in the year into a PLC (programmable logic controller), a singlechip or computer software, and realize tracking by calculating the sun position at each time of a fixed place. However, the control principle, circuit and equipment used in the solar tracking device are complex, the equipment investment is large, and the use requirement of the solar tracking device as a power generation device such as a solar street lamp and a solar car as well as the use requirement of the solar tracking device in some occasions of non-centralized power generation or single power generation are difficult to meet.

Disclosure of Invention

In view of this, the utility model provides an intelligence photovoltaic device to solve the solar energy tracker equipment structure that exists among the prior art complicacy, equipment investment is big, can not satisfy the technical problem of the user demand of non-concentrated electricity generation or monomer electricity generation.

The utility model provides a technical scheme that its technical problem adopted is:

an intelligent photovoltaic device comprising:

a solar photovoltaic module;

the solar tracking frame is provided with a solar azimuth angle tracking rotating shaft and a solar altitude angle tracking rotating shaft, the solar azimuth angle tracking rotating shaft is perpendicular to a horizontal plane and can rotate along the axis, the solar altitude angle tracking rotating shaft is parallel to the horizontal plane, and the solar photovoltaic module is connected to the solar altitude angle tracking rotating shaft and can rotate along the axis of the solar altitude angle tracking rotating shaft;

and the tracking controller is electrically connected with the rotation executing mechanism of the solar azimuth tracking rotating shaft and the solar altitude tracking rotating shaft.

Preferably, one end of the solar azimuth tracking rotating shaft is provided with a Y-shaped connecting frame, and the solar altitude tracking rotating shaft is relatively arranged at the end part of the Y-shaped connecting frame far away from the solar azimuth tracking rotating shaft.

Preferably, the end of the Y-shaped link remote from the solar azimuth tracking rotation shaft is bent outwards.

Preferably, the solar photovoltaic module comprises an installation frame, a condensing lens and a solar photovoltaic panel, the condensing lens is installed at the front end of the installation frame, and the solar photovoltaic panel is installed at the rear end of the installation frame and is parallel to the condensing lens.

Preferably, the adjusting part is tracked to intelligence photovoltaic device still includes the sun altitude angle, adjusting part is tracked to the sun altitude angle includes portable supporting seat, telescopic adjusting rod and first accommodate motor, portable supporting seat can freely remove on the horizontal plane, telescopic adjusting rod set up in on the portable supporting seat, and can follow vertical direction and stretch out and draw back, telescopic adjusting rod's expansion end rotatable coupling solar PV modules, first accommodate motor install in on the telescopic adjusting rod, and the output transmission is connected telescopic adjusting rod's expansion end, first accommodate motor's relay switch electric connection the tracking controller.

Preferably, the bottom of the movable supporting seat is provided with at least one universal wheel.

Preferably, the movable end of the telescopic adjusting rod is connected to the side edge of the solar photovoltaic module through a spherical joint bearing.

Preferably, solar altitude angle tracks up adjusting part still includes fixed slide, fixed slide set up in the below of movable support seat, and the upper surface is smooth to be set up, the universal wheel can the upper surface free slip of fixed slide.

Preferably, the intelligent photovoltaic device further comprises a solar azimuth tracking adjusting assembly, the solar azimuth tracking adjusting assembly comprises a supporting beam and a second adjusting motor, the solar azimuth tracking rotating shaft is rotatably connected with the supporting beam, the second adjusting motor is installed on the supporting beam, the output end of the second adjusting motor is connected with the solar azimuth tracking rotating shaft, and a relay switch of the second adjusting motor is electrically connected with the tracking controller.

Preferably, the tracking controller is a programmable logic controller, and has an input end, a programmable logic module and an output end, the input end of the tracking controller is electrically connected to a numeric keypad, the programmable logic module of the tracking controller is provided with a time acquisition unit, a sun angle calculation unit and a calculation unit, and the output end of the tracking controller is electrically connected to the rotation executing mechanism of the sun azimuth tracking rotating shaft and the sun altitude tracking rotating shaft.

According to the above technical scheme, the utility model provides an intelligence photovoltaic device, its beneficial effect is: through the frame is tracked to the sun, will solar PV modules install in the pivot is tracked to the sun altitude angle, make solar PV modules can follow in the frame is tracked to the sun altitude angle the pivot is tracked to the sun rotates, realizes the pursuit to the sun altitude angle. Meanwhile, the sun azimuth tracking rotating shaft of the sun tracking frame is rotatably arranged at a fixed position, the sun azimuth tracking rotating shaft rotates to drive the solar photovoltaic assembly to rotate, tracking of the sun azimuth is achieved, and the rotation of the sun azimuth tracking rotating shaft and the rotation executing mechanism of the sun altitude tracking rotating shaft are controlled by the tracking controller, so that the purpose of automatically tracking the sun is achieved. The intelligent photovoltaic device is simple in equipment structure, the construction cost is limited to the sum of the construction costs of the hanging bracket, the rotation executing mechanism, namely the driving motor and the tracking controller, namely the PCL programmable logic controller or the single chip microcomputer, and compared with the solar tracking device in the prior art, the construction cost is greatly reduced, and the intelligent photovoltaic device can be used in some occasions of non-centralized power generation or single power generation, for example, the intelligent photovoltaic device can be popularized and applied as power generation devices such as solar street lamps, solar motor homes and the like.

Drawings

Fig. 1 is a schematic structural diagram of an intelligent photovoltaic device.

Fig. 2 is a schematic structural diagram of the intelligent photovoltaic device in a use state.

Fig. 3 is a control schematic block diagram of the tracking controller.

In the figure: the solar photovoltaic device comprises an intelligent photovoltaic device 10, a solar photovoltaic module 100, a mounting frame 110, a condensing lens 120, a solar photovoltaic panel 130, a solar tracking frame 200, a solar azimuth tracking rotating shaft 210, a solar altitude tracking rotating shaft 220, a Y-shaped connecting frame 230, a protruding part 231, a tracking controller 300, an input end 310, a numeric keyboard 311, a programmable logic module 320, a time acquisition unit 321, a solar angle calculation unit 322, a calculation unit 323, an output end 330, a solar altitude tracking adjusting assembly 400, a movable supporting seat 410, a universal wheel 411, a telescopic adjusting rod 420, a joint bearing 421, a first adjusting motor 430, a fixed sliding seat 440, a solar azimuth tracking adjusting assembly 500, a supporting beam 510, a second adjusting motor 520 and a vertical rod 530.

Detailed Description

The following combines the drawings of the utility model to further elaborate the technical scheme and technical effect of the utility model.

Referring to fig. 1 and 2, in an embodiment, an intelligent photovoltaic device 10 for automatically tracking a sun angle to generate electricity or utilize solar thermal energy includes: a solar photovoltaic module 100, a sun tracking frame 200 and a tracking controller 300.

The solar tracking rack 200 has a solar azimuth tracking rotating shaft 210 and a solar altitude angle tracking rotating shaft 220, the solar azimuth tracking rotating shaft 210 is arranged in a vertical horizontal plane and can rotate along an axis, the solar altitude angle tracking rotating shaft 220 is arranged in a horizontal plane parallel to the solar altitude angle tracking rotating shaft 220, and the solar photovoltaic module 100 is connected to the solar altitude angle tracking rotating shaft 220 and can rotate along the axis of the solar altitude angle tracking rotating shaft 220. The tracking controller 300 is electrically connected to the rotation executing mechanism of the solar azimuth tracking rotating shaft 210 and the solar altitude tracking rotating shaft 220.

The sun-tracking frame 200 is suspended at any fixed position, so that the sun azimuth-tracking rotating shaft 210 is perpendicular to the horizontal plane and can rotate along the axis. At this time, the tracking controller 300 controls the solar altitude tracking rotating shaft 220 to rotate, so that the solar photovoltaic module 100 slowly turns over, so that the light receiving surface of the solar photovoltaic module 100 is directed at the position of the sun, the tracking controller 300 controls the solar azimuth tracking rotating shaft 210 to rotate, the solar tracking frame 200 drives the solar photovoltaic module 100 to slowly rotate from east to west along the plane parallel to the horizontal plane, the all-day tracking of the sun is realized, and the photovoltaic power generation efficiency is improved.

It should be noted that the tracking controller 300 may adopt a solar tracking module that is mature in the market, such as a solar tracking module of a banyan micro brand manufactured by shenzhen east-welfare electronics limited company, or may use a PLC controller or a single chip microcomputer with a programmable function, such as a PLC-s7 series programmable controller using siemens.

The following provides a possible specific embodiment, and it should be noted that this embodiment is only an example for facilitating understanding of the present invention, and any other embodiments that can be easily derived from the common general knowledge by those skilled in the art can be used as a support of the present invention.

Referring to fig. 3 together, for example, the tracking controller 300 is a programmable logic controller having an input terminal 310, a programmable logic module 320 and an output terminal 330, the input terminal 310 is electrically connected to a numeric keypad 311 for inputting a geographical location of a use location, such as longitude and latitude information, the programmable logic module 320 includes a time obtaining unit 321, a solar angle calculating unit 322 and a calculating unit 323, the time obtaining unit 321 is used for obtaining a system time of the programmable logic controller by a known program, the solar angle calculating unit 322 is used for calculating a current solar altitude and solar azimuth by a known program, such as a solar altitude and altitude calculator, such as the input geographical location information and the obtained time information, the calculating unit 323 is used for calculating a current solar altitude and solar azimuth according to an existing easily available method, the rotation angles of the solar azimuth tracking rotation shaft 210 and the solar altitude tracking rotation shaft 220 are calculated. The output end 330 is electrically connected to the rotation executing mechanism of the solar azimuth tracking rotating shaft 210 and the solar altitude tracking rotating shaft 220, and enables the solar photovoltaic module 100 to move along with the altitude or azimuth of the sun according to the obtained rotation angle information.

It should be noted that the construction cost of the intelligent photovoltaic device 10 is limited to the manufacturing cost of the solar tracking frame 200, the cost of the rotation actuator, that is, the cost and the operation cost of the driving motor, and the construction cost of the tracking controller, that is, the PCL programmable logic controller or the single chip microcomputer, according to the current market price, the construction cost of the intelligent photovoltaic device 10 is not more than 150.0 yuan, and the construction cost is greatly reduced compared with the solar tracking device in the prior art, and the intelligent photovoltaic device can be used in some non-centralized power generation or single power generation occasions, for example, as a power generation device such as a solar street lamp, a solar car, and the like.

Specifically, a Y-shaped connecting frame 230 is disposed at one end of the solar azimuth tracking rotating shaft 210, and the solar altitude tracking rotating shaft 220 is disposed at an end of the Y-shaped connecting frame 230 away from the solar azimuth tracking rotating shaft 210. That is to say, the solar tracking frame 200 includes a solar azimuth tracking rotating shaft 210, a Y-shaped connecting frame 230 and a solar altitude angle tracking rotating shaft 220, the Y-shaped connecting frame 230 is disposed at one end of the solar azimuth tracking rotating shaft 210, the solar altitude angle tracking rotating shaft 220 parallel to the horizontal plane is relatively disposed on two branches of the Y-shaped connecting frame 230, two sides of the solar photovoltaic module 100 are respectively rotatably connected to the solar altitude angle tracking rotating shaft 220, that is, the solar photovoltaic module 100 can be turned over up and down between the two branches of the Y-shaped connecting frame 230 to track the solar altitude angle.

Further, an end of the Y-shaped connecting frame 230 away from the sun azimuth tracking rotating shaft 210 is bent outward to form an outward protrusion 231, and the sun altitude tracking rotating shaft 220 is disposed on the protrusion 231, so as to prevent a light receiving surface of the solar photovoltaic module 100 from being blocked by the Y-shaped connecting frame 230, and improve the light conversion efficiency.

In a preferred embodiment, in order to further reduce the cost of the intelligent photovoltaic device 10 and improve the light conversion efficiency of the intelligent photovoltaic device 10, the solar photovoltaic module 100 includes a mounting frame 110, a condensing lens 120 and a solar photovoltaic panel 130, the condensing lens 120 is mounted at the front end of the mounting frame 110, and the solar photovoltaic panel 130 is mounted at the rear end of the mounting frame 110 and is parallel to the condensing lens 120. On one hand, under the condition of the same light receiving area, the working efficiency of the solar photovoltaic panel 130 can be improved, so that under the condition of the same power generation requirement, the light receiving area of the solar photovoltaic panel 130 is reduced, and the cost is effectively reduced. On the other hand, the condensing lens 120 is parallel to the solar photovoltaic panel 130 and is relatively fixed, and the condensing light beam of the condensing lens 120 directly acts on the solar photovoltaic panel 130, thereby effectively improving the photoelectric/thermal efficiency of the solar photovoltaic panel 130.

In this embodiment, one end of the solar photovoltaic module 100 close to the condensing lens 120 is connected to the solar altitude angle tracking rotating shaft 220, and the driving mechanism of the solar altitude angle tracking rotating shaft 220 is disposed at one end of the solar photovoltaic module 100 close to the solar photovoltaic panel 130, so as to push up or pull down one end of the solar photovoltaic panel 130 of the solar photovoltaic module 100, thereby realizing the change of the inclination of the condensing lens 120 and further realizing the tracking of the solar altitude angle by the solar photovoltaic module 100.

For example, the intelligent photovoltaic device 10 further includes a solar altitude angle tracking adjusting component 400, the solar altitude angle tracking adjusting component 400 includes a movable supporting seat 410, a telescopic adjusting rod 420 and a first adjusting motor 430, the movable supporting seat 410 can move freely on the horizontal plane, the telescopic adjusting rod 420 is arranged on the movable supporting seat 410 and can stretch along the vertical direction, the movable end of the telescopic adjusting rod 420 can be rotatably connected with the solar photovoltaic module 100, for example, the solar photovoltaic module 100 is close to one end of the solar photovoltaic panel 130, the first adjusting motor 430 is arranged on the telescopic adjusting rod 420, and the output end is in transmission connection with the movable end of the telescopic adjusting rod 420, the relay switch of the adjusting motor 430 is electrically connected with the tracking controller 300. After the tracking controller 300 acquires the rotation angle of the solar altitude tracking rotating shaft 220, that is, the solar altitude information, it controls the first adjusting motor 430 to be turned on, so that the retractable adjusting rod 420 is extended or retracted, and then one side of the condensing lens 120 of the solar photovoltaic module 100 is turned over downward or upward, so as to realize the orientation angle of the light receiving surface of the solar photovoltaic module 100. In the process of extending or retracting the retractable adjusting lever 420, since the relative position of the solar photovoltaic module 100 is fixed, the movable supporting base 410 passively follows the change of the position of the connection point of the retractable adjusting lever 420 and the solar photovoltaic module 100 to make a circular arc free movement.

For example, at least one universal wheel 411 is disposed at the bottom of the movable supporting base 410 to reduce sliding friction between the movable supporting base 410 and the contact surface, and to reduce the output torque of the first adjusting motor 430, thereby reducing the operation cost.

Further, the movable end of the retractable adjusting lever 420 is connected to the side of the solar photovoltaic module 100 through a spherical joint bearing 421, so as to further reduce the output torque of the first adjusting motor 430.

Further, the solar altitude angle tracking adjustment assembly 400 further comprises a fixed sliding seat 440, the fixed sliding seat 440 is disposed below the movable support seat 410, the upper surface of the fixed sliding seat is smooth, the universal wheel 411 can freely slide on the upper surface of the fixed sliding seat 440, so as to further reduce the output torque of the first adjustment motor 430.

In another embodiment, the intelligent photovoltaic apparatus 10 further comprises a solar azimuth tracking adjustment assembly 500, the solar azimuth tracking adjustment assembly 500 comprises a supporting beam 510 and a second adjustment motor 520, the solar azimuth tracking rotation shaft 210 is rotatably connected to the supporting beam 510, the second adjustment motor 520 is mounted on the supporting beam 510, and the output end of the second adjustment motor 520 is connected to the solar azimuth tracking rotation shaft 210, and the relay switch of the second adjustment motor 520 is electrically connected to the tracking controller 300. The supporting beam 510 is fixed at any position where the supporting beam 510 can be installed, for example, the supporting beam is installed on the fixed slide seat 440 through a vertical rod 530, the solar azimuth tracking rotating shaft 210 is rotatably connected to the supporting beam 510, the tracking controller 300 obtains the rotation angle information of the solar azimuth tracking rotating shaft 210, the second adjusting motor 520 is turned on, the solar azimuth tracking rotating shaft 210 is driven to rotate, and the tracking of the solar photovoltaic module 100 on the solar azimuth is realized.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims

1. An intelligent photovoltaic device, comprising:

a solar photovoltaic module;

2. The intelligent photovoltaic device as claimed in claim 1, wherein a Y-shaped connection frame is disposed at one end of the solar azimuth tracking rotation shaft, and the solar altitude tracking rotation shaft is disposed at an end of the Y-shaped connection frame away from the solar azimuth tracking rotation shaft.

3. The intelligent photovoltaic device of claim 2, wherein the ends of the Y-shaped links that are distal from the solar azimuth tracking rotation axis are bent outward.

4. The intelligent photovoltaic device according to claim 1, wherein the solar photovoltaic module comprises a mounting frame, a condensing lens and a solar photovoltaic panel, the condensing lens is mounted at the front end of the mounting frame, and the solar photovoltaic panel is mounted at the rear end of the mounting frame and is arranged parallel to the condensing lens.

5. The intelligent photovoltaic device according to any one of claims 1 to 4, further comprising a solar altitude angle tracking adjustment assembly, wherein the solar altitude angle tracking adjustment assembly comprises a movable support, a retractable adjustment rod and a first adjustment motor, the movable support can move freely on a horizontal plane, the retractable adjustment rod is disposed on the movable support and can be retracted along a vertical direction, the movable end of the retractable adjustment rod is rotatably connected to the solar photovoltaic assembly, the adjustment motor is mounted on the retractable adjustment rod, the output end of the retractable adjustment rod is in transmission connection with the movable end of the retractable adjustment rod, and a relay switch of the adjustment motor is electrically connected to the tracking controller.

6. The intelligent photovoltaic device of claim 5, wherein the bottom of the movable support is provided with at least one universal wheel.

7. The intelligent photovoltaic device according to claim 5, wherein the movable end of the retractable adjustment rod is connected to the side of the solar photovoltaic module by a spherical joint bearing.

8. The intelligent photovoltaic device according to claim 6, wherein the solar altitude tracking adjustment assembly further comprises a fixed slider disposed below the movable support base and having a smooth upper surface, and the universal wheel can freely slide on the upper surface of the fixed slider.

9. The intelligent photovoltaic device according to any one of claims 1 to 4 or 6 to 8, further comprising a solar azimuth tracking adjustment assembly, wherein the solar azimuth tracking adjustment assembly comprises a supporting beam and a second adjustment motor, the solar azimuth tracking rotating shaft is rotatably connected to the supporting beam, the second adjustment motor is mounted on the supporting beam, and an output end of the second adjustment motor is connected to the solar azimuth tracking rotating shaft, and a relay switch of the second adjustment motor is electrically connected to the tracking controller.

10. The intelligent photovoltaic device according to claim 9, wherein the tracking controller is a programmable logic controller having an input end, a programmable logic module and an output end, the input end of the tracking controller is electrically connected to a numeric keypad, the programmable logic module of the tracking controller is provided with a time acquisition unit, a solar angle calculation unit and a calculation unit, and the output end of the tracking controller is electrically connected to the rotation actuator of the solar azimuth tracking rotating shaft and the solar altitude tracking rotating shaft.