A tracking photovoltaic power station monitoring device and monitoring method

Abstract

The present invention relates to the field of photovoltaic power generation, and specifically to a tracking photovoltaic power station monitoring device and monitoring method, comprising: a bottom plate, a connecting plate symmetrically installed on the top of the bottom plate, a bearing plate arranged between two groups of the connecting plates, a photovoltaic panel installed on the top of the bearing plate, and a control box installed on the top of the bottom plate. The present invention rotates the bearing plate to drive the photovoltaic panel to rotate by two groups of threaded rods, and the bearing plate will move slowly, so that the photovoltaic panel moves under the scraper in an arc-shaped motion trajectory, and the surface of the photovoltaic panel is cleaned. In this process, the position of the sensor is detected by the position sensing plate, and the power generation of the photovoltaic panel is monitored in real time by the background, so as to obtain the angle at which the photovoltaic panel rotates to generate the maximum power, and adjust it to the corresponding angle, thereby realizing the tracking of the photovoltaic panel to the sunlight, ensuring that the power generation of the photovoltaic panel is maximized, and at the same time, the surface of the photovoltaic panel can be cleaned to avoid affecting the power generation of the photovoltaic panel.

Description

Technical Field

[0001] The present invention relates to the field of photovoltaic power generation, and in particular to a tracking photovoltaic power station monitoring device and a monitoring method. Background Art

[0002] At present, with the rapid development of economy, the demand for primary energy such as coal and electricity is increasing day by day, and coal, electricity and other energy are becoming increasingly exhausted; the demand for new energy such as solar energy is increasing, and the demand for solar photovoltaic power generation is also increasing.

[0003] As disclosed in the Chinese invention patent application with publication number CN107947227A, an orientation control device, photovoltaic power generation equipment, microgrid system and control method. The microgrid system includes: photovoltaic power generation equipment, which is used to convert received light energy into electrical energy, which is used to power a load or is connected to a mains grid; wherein the light receiving surface of the photovoltaic array of the photovoltaic power generation equipment can track the direction of the sun according to the calculated trajectory of the sun to receive as much light as possible; an energy storage system, which is used to store and regulate the electrical energy generated by the photovoltaic power generation equipment; a centralized controller, which monitors the operating status of each device in the microgrid system and controls the operation of each device according to the monitoring results; and a gateway device, which connects the microgrid to the mains grid or disconnects it from the mains grid according to the instructions of the centralized controller. The microgrid system of the present invention improves the power generation efficiency and intelligence, but this method still has the following defects:

[0004] Since the contact between photovoltaic panels and sunlight is directly related to the power generated by them, the real-time angle between photovoltaic panels and sunlight is extremely important in photovoltaic power generation. In the above-mentioned patent, a perpetual calendar program that calculates the trajectory of the sun is set in the control unit to track the light. However, in actual use, there are many factors that affect photovoltaic power generation, such as weather or dust on the surface of photovoltaic panels and residues of debris such as leaves. The perpetual calendar program is a fixed program with a fixed adjustment trajectory, which cannot cope with more complex environments, thereby affecting the efficiency of photovoltaic power generation.

[0005] Therefore, it is necessary to invent a tracking photovoltaic power station monitoring device and a monitoring method to solve the above problems. Summary of the invention

[0006] The purpose of the present invention is to provide a tracking photovoltaic power station monitoring device and a monitoring method, which uses a scraper to clean the surface of the photovoltaic panel during the adjustment process, and a position sensing plate cooperates with a sensor to record the rotation angle of the photovoltaic panel during the adjustment, and according to the real-time power generation detection of the background, the angle of maximizing the power generation of the photovoltaic panel is obtained, so as to realize the tracking power generation of the photovoltaic panel, so as to solve the problem in the prior art that the tracking adjustment of the photovoltaic panel is relatively fixed and easily disturbed by external factors, thereby affecting its power generation.

[0007] In order to achieve the above-mentioned purpose, the present invention provides the following technical solutions: A tracking photovoltaic power station monitoring device, comprising: a bottom plate, a connection plate is symmetrically installed on the top of the bottom plate, a bearing plate is arranged between two groups of the connection plates, a photovoltaic panel is installed on the bearing plate, a control box is installed on the top of the bottom plate, and the control box is linearly connected to the photovoltaic panel, and the control box is connected to a remote terminal network of the background, a scraper is installed between the two groups of the connection plates, the scraper is attached to the surface of the photovoltaic panel, and the scraper is used to clean the surface of the photovoltaic panel;

[0008] A tracking and adjustment component is arranged above the base plate and is used for tracking and adjusting the photovoltaic panels;

[0009] The driving component is arranged above the placement plate and is used for driving the tracking and adjusting component.

[0010] As a preferred solution of the present invention, the tracking adjustment component includes: fixed plates, which are symmetrically installed above the base plate and are symmetrically arranged in groups of two above the base plate, and a sliding rod is installed between the two groups of fixed plates.

[0011] As a preferred solution of the present invention, a slider 1 is sleeved on the sliding rod 1, a placement plate is installed between two groups of the sliders 1, guide rods are symmetrically installed above the placement plate, a through groove is opened on one side of one group of guide rods, and a position sensing plate is installed on the inner wall of the through groove.

[0012] As a preferred solution of the present invention, a guide cylinder is sleeved on the guide rod, a sensor is installed on the inner wall of the guide cylinder, the sensor is slidably connected to the through slot, and the sensor and the position sensing plate are in the same vertical and horizontal position, and the position sensing plate and the sensor are linearly connected to the control box.

[0013] As a preferred solution of the present invention, a limiting rod is installed on one side of the two groups of guide cylinders, a slide rail 1 is installed under the bearing plate, and the slide rail 1 is slidably connected to the two groups of limiting rods, a docking plate is installed above the two groups of guide rods, a slider 2 is installed on one side of the docking plate, a slide rod 2 is connected through the inside of the slide rod 2, and the slide rod 2 is installed between the two groups of fixed plates.

[0014] As a preferred solution of the present invention, a threaded rod is symmetrically rotatably connected to the side of the placement plate away from the guide rod, and the threads of the two groups of threaded rods are arranged opposite to each other. A servo motor is installed below the placement plate, and the servo motor is axially connected to a group of threaded rods. Internal thread blocks are screwed on the two groups of threaded rods. A slide rail 2 is installed on the side of the photovoltaic panel away from the slide rail 1, and the connection method between the slide rail 2 and the internal thread block is the same as the connection method between the slide rail 1 and the guide cylinder.

[0015] As a preferred solution of the present invention, the driving assembly includes: a pulley 1, which is sleeve-mounted on two groups of threaded rods, a belt 1 is fit-connected between the two groups of pulleys 1, a pulley 2 is sleeve-mounted on one group of threaded rods, and this group of threaded rods is connected to a servo motor.

[0016] As a preferred solution of the present invention, a pulley three is installed at the center position above the placement plate, a belt two is fittedly connected between the pulley three and the pulley two, a bevel gear is rotatably connected below the placement plate, and the bevel gear is axially connected to the pulley three.

[0017] As a preferred solution of the present invention, a base is installed above the bottom plate, a helical tooth plate is installed above the base, and the helical tooth plate is meshed with the bevel gear.

[0018] A tracking photovoltaic power station monitoring method includes the tracking photovoltaic power station monitoring device as described above, and the processing steps are as follows:

[0019] Step 1: Send a signal to the control box through the background, so that the control box controls the servo motor to rotate and drive the threaded rod to rotate. Since the threads of the two sets of threaded rods are set oppositely, the two sets of internal thread blocks move oppositely, so that the carrier plate drives the photovoltaic panel to rotate and change the angle. At this time, the background will receive the real-time power generated by the photovoltaic panel. During the adjustment process, the guide cylinder will slide along the guide rod, so that the position sensing board can monitor the position of the sensor in real time, so that the real-time maximum power generation angle of the photovoltaic panel can be obtained from the background;

[0020] Step 2: When the surface of the photovoltaic panel is covered with dust, the servo motor rotates during adjustment, which drives the pulley 3 to rotate through the belt 2, so that the bevel gear moves along the helical tooth plate, so that the placement plate moves as a whole. In the process of movement, the photovoltaic panel also rotates and changes its angle, so that the photovoltaic panel moves along the scraper and rotates the angle, and the whole moves in an arc shape to clean the dust on the surface of the photovoltaic panel.

[0021] In the above technical solution, compared with the prior art, the technical effects and advantages provided by the present invention are as follows:

[0022] The servo motor drives two sets of threaded rods to rotate, so that the carrier plate drives the photovoltaic panel to rotate, and in this process the carrier plate will move slowly, so that the photovoltaic panel can move in an arc-shaped trajectory and fit under the scraper to clean the surface of the photovoltaic panel. In this process, the position of the sensor is detected by the position sensing plate, and the real-time monitoring of the photovoltaic panel power generation is carried out in the background to determine the angle at which the photovoltaic panel rotates to generate the maximum power, and adjust it to the corresponding angle, thereby realizing the photovoltaic panel's tracking of sunlight, ensuring the maximum power generation of the photovoltaic panel, and cleaning the surface of the photovoltaic panel to avoid affecting the photovoltaic panel's power generation. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0024] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0025] Figure 2 It is a schematic diagram of the layout structure of the guide rod of the present invention;

[0026] Figure 3 It is a schematic diagram of the fixed plate layout structure of the present invention;

[0027] Figure 4 It is a schematic diagram of the bottom structure of the placement plate of the present invention;

[0028] Figure 5 It is a schematic diagram of the layout structure of the threaded rod of the present invention;

[0029] Figure 6 It is a schematic diagram of the connection structure between the slide rail 2 and the internal thread block of the present invention;

[0030] Figure 7 It is a schematic diagram of the planing structure of the guide rod of the present invention;

[0031] Figure 8 For the present invention Figure 7 The enlarged structural diagram at A in the middle;

[0032] Fig. 9 For the present invention Figure 4 Enlarged structural diagram at B in the middle.

[0033] Description of reference numerals:

[0034] 001, bottom plate; 101, connecting plate; 102, bearing plate; 103, photovoltaic panel; 104, control box; 105, scraper; 002, tracking adjustment component; 201, fixing plate; 202, slide bar 1; 203, slide bar 1; 204, placing plate; 205, guide bar; 206, through slot; 207, position sensing plate; 208, sensor; 209, limit bar; 210, slide rail 1; 211. docking plate; 212. slider 2; 213. slide rod 2; 214. threaded rod; 215. servo motor; 216. internal thread block; 217. slide rail 2; 218. guide cylinder; 003. drive assembly; 301. pulley 1; 302. belt 1; 303. pulley 2; 304. pulley 3; 305. belt 2; 306. bevel gear; 307. bevel gear plate; 308. base. DETAILED DESCRIPTION

[0035] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0036] The present invention provides Figure 1-9 A tracking photovoltaic power station monitoring device shown includes: a bottom plate 001, a connecting plate 101 is symmetrically installed above the bottom plate 001, a bearing plate 102 is arranged between two groups of connecting plates 101, a photovoltaic panel 103 is installed above the bearing plate 102, a control box 104 is installed above the bottom plate 001, and the control box 104 is linearly connected to the photovoltaic panel 103, and the control box 104 is connected to the remote terminal network of the background, a scraper 105 is installed between the two groups of connecting plates 101, the scraper 105 is attached to the surface of the photovoltaic panel 103, and the scraper 105 is used to clean the surface of the photovoltaic panel 103;

[0037] The tracking and adjusting component 002 is arranged above the bottom plate 001 and is used for tracking and adjusting the photovoltaic panel 103;

[0038] The driving component 003 is disposed above the placement plate 204 and is used to drive the tracking adjustment component 002 .

[0039] like Figure 1-4 As shown, the tracking adjustment component 002 includes: fixed plates 201, which are symmetrically installed above the bottom plate 001, and are symmetrically arranged in groups of two above the bottom plate 001, and a sliding rod 202 is installed between the two groups of fixed plates 201.

[0040] like Figure 1-5 As shown, a slider 203 is sleeved on a slide bar 202, a placement plate 204 is installed between two groups of sliders 203, guide rods 205 are symmetrically installed above the placement plate 204, a through groove 206 is opened on one side of a group of guide rods 205, and a position sensing plate 207 is installed on the inner wall of the through groove 206.

[0041] In the above structure, through the cooperation of the slider 203 and the slide bar 202, the placement plate 204 can move stably.

[0042] like Figure 1-8 As shown, a guide cylinder 218 is sleeved on the guide rod 205, and a sensor 208 is installed on the inner wall of the guide cylinder 218. The sensor 208 is slidably connected to the through groove 206, and the sensor 208 and the position sensing plate 207 are in the same vertical horizontal position. The position sensing plate 207 and the sensor 208 are both linearly connected to the control box 104.

[0043] In the above structure, through the cooperation of the sensor 208 and the position sensing plate 207, the moving position of the guide cylinder 218 on the guide rod 205 can be monitored in real time.

[0044] like Figure 1-6 As shown, a limit rod 209 is installed on one side of the two groups of guide cylinders 218, a slide rail 210 is installed under the load-bearing plate 102, the slide rail 210 is slidably connected with the two groups of limit rods 209, a docking plate 211 is installed above the two groups of guide rods 205, a slider 212 is installed on one side of the docking plate 211, a slider 213 is connected through the slider 212, and the slider 213 is installed between the two groups of fixed plates 201.

[0045] In the above structure, through the cooperation between the second slide bar 213 and the second slide block 212, the placement plate 204 can run more smoothly.

[0046] like Figure 1-6 As shown, a threaded rod 214 is symmetrically rotatably connected to one side of the placement plate 204 above and away from the guide rod 205, and the threads of the two groups of threaded rods 214 are arranged opposite to each other, a servo motor 215 is installed below the placement plate 204, the servo motor 215 is axially connected to a group of threaded rods 214, and internal thread blocks 216 are screwed on the two groups of threaded rods 214, and a slide rail 217 is installed on the side of the photovoltaic panel 103 below and away from the slide rail 1 210, and the connection method between the slide rail 217 and the internal thread block 216 is the same as the connection method between the slide rail 1 210 and the guide cylinder 218.

[0047] In the above structure, the servo motor 215 can drive the threaded rod 214 to rotate and drive the internal thread block 216 to move, so that the internal thread block 216 drives the limiting rod 209 on one side to slide along the second slide rail 217.

[0048] like Figure 2 , Figure 5 and Fig. 9As shown, the driving component 003 includes: a pulley 301, which is sleeved and installed on two groups of threaded rods 214, a belt 302 is closely connected between the two groups of pulleys 301, a pulley 2 303 is sleeved and installed on one group of threaded rods 214, and this group of threaded rods 214 is connected to the servo motor 215.

[0049] In the above structure, the belt 1 302 can drive the two sets of pulleys 1 301 to rotate, so that the two sets of threaded rods 214 drive the two sets of internal threaded blocks 216 to move towards each other, thereby changing the angle of the photovoltaic panel 103.

[0050] like Figure 2 , Figure 5 and Fig. 9 As shown, a pulley three 304 is installed at the center position above the placement plate 204, a belt two 305 is fitted between the pulley three 304 and the pulley two 303, and a bevel gear 306 is rotatably connected below the placement plate 204, and the bevel gear 306 is axially connected to the pulley three 304.

[0051] In the above structure, the belt 2 305 can drive the pulley 3 304 to rotate, thereby causing the bevel gear 306 to rotate.

[0052] like Figure 2 , Figure 5 and Fig. 9 As shown, a base 308 is installed above the bottom plate 001 , and a bevel gear plate 307 is installed above the base 308 . The bevel gear plate 307 is meshed with the bevel gear 306 .

[0053] In the above structure, through the cooperation between the bevel gear 306 and the helical gear plate 307, the bevel gear 306 can drive the placement plate 204 to move during the rotation process.

[0054] A tracking photovoltaic power station monitoring method includes the above tracking photovoltaic power station monitoring device, and the processing steps are as follows:

[0055] Step 1: Send a signal to the control box 104 through the background, so that the control box 104 controls the servo motor 215 to rotate and drive the threaded rod 214 to rotate. Since the threads of the two groups of threaded rods 214 are arranged oppositely, the two groups of internal thread blocks 216 move oppositely, so that the carrier plate 102 drives the photovoltaic panel 103 to rotate and change the angle. At this time, the background will receive the real-time power generated by the photovoltaic panel 103. During the adjustment process, since the guide cylinder 218 will slide along the guide rod 205, the position sensing plate 207 can monitor the position of the sensor 208 in real time, so that the real-time maximum power generation angle of the photovoltaic panel 103 can be obtained from the background;

[0056] Step 2: When the surface of the photovoltaic panel 103 is covered with dust, the servo motor 215 rotates during adjustment, which drives the pulley 304 to rotate through the belt 2 305, so that the bevel gear 306 moves along the bevel tooth plate 307, so that the placement plate 204 moves as a whole, and in the process of movement, since the photovoltaic panel 103 is also rotating and changing its angle, the photovoltaic panel 103 moves along the scraper 105 and rotates the angle, and the whole moves in an arc shape to clean the dust on the surface of the photovoltaic panel 103.

[0057] like Figure 1-9 As shown, the servo motor 215 drives the two sets of threaded rods 214 to rotate, so that the two sets of internal threaded blocks 216 move in opposite directions and cooperate with the second slide rail 217 to drive the bearing plate 102 to rotate. At the same time, the bevel gear 306 moves along the helical tooth plate 307, so that the placement plate 204 drives the slider 1 203 and the slider 2 212 to slide along the slider 1 202 and the slider 2 213, so that the movement trajectory of the bearing plate 102 is arc-shaped, so that the photovoltaic panel 103 moves along the scraper 105 to scrape off foreign matter on the surface, thereby ensuring the cleanliness of the surface of the photovoltaic panel 103. , and during this process, the guide cylinder 218 slides along the guide rod 205, so that the sensor 208 moves along the side of the position sensing plate 207, so as to monitor the moving position of the guide cylinder 218, and during this process, the background will monitor the power generation band of the photovoltaic panel 103, and find out where the guide cylinder 218 moves to where the power generation band is the largest, and adjust the photovoltaic panel 103 to the corresponding angle, and repeat this operation at regular intervals to ensure that the photovoltaic panel 103 can track the sunlight and maximize the power generation.

[0058] The above description is only by way of illustration of certain exemplary embodiments of the present invention. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A tracking photovoltaic power station monitoring device, characterized in that: include: A bottom plate (001), a connecting plate (101) is symmetrically installed above the bottom plate (001), a carrying plate (102) is arranged between two groups of the connecting plates (101), a photovoltaic panel (103) is installed above the carrying plate (102), a control box (104) is installed above the bottom plate (001), the control box (104) is linearly connected to the photovoltaic panel (103), and the control box (104) is connected to a remote terminal network at the backend, a scraper (105) is installed between the two groups of the connecting plates (101), the scraper (105) is attached to the surface of the photovoltaic panel (103), and the scraper (105) is used to clean the surface of the photovoltaic panel (103); A tracking and adjusting component (002) is arranged above the bottom plate (001) and is used to track and adjust the photovoltaic panel (103); A driving component (003) is disposed above the placement plate (204) and is used to drive the tracking adjustment component (002); The tracking adjustment component (002) comprises: a fixing plate (201), the fixing plates (201) are symmetrically mounted above the bottom plate (001), and are symmetrically arranged in pairs above the bottom plate (001), a sliding bar (202) is mounted between the two groups of the fixing plates (201), a sliding block (203) is sleeved on the sliding bar (202), a placing plate (204) is mounted between the two groups of the sliding blocks (203), a guide bar (205) is symmetrically mounted above the placing plate (204), and a through hole is provided on one side of the guide bar (205). A through slot (206) is provided, a position sensing plate (207) is installed on the inner wall of the through slot (206), a guide cylinder (218) is sleeved on the guide rod (205), a sensor (208) is installed on the inner wall of the guide cylinder (218), the sensor (208) is slidably connected to the through slot (206), and the sensor (208) and the position sensing plate (207) are in the same vertical and horizontal position, the position sensing plate (207) and the sensor (208) are linearly connected to the control box (104), and a limit rod is installed on one side of the two groups of guide cylinders (218). (209), a slide rail (210) is installed below the carrier plate (102), and the slide rail (210) is slidably connected to the two groups of limit rods (209), a docking plate (211) is installed above the two groups of guide rods (205), a slider (212) is installed on one side of the docking plate (211), and a slide rod (213) is connected through the slider (212), and the slide rod (213) is installed between the two groups of fixed plates (201), and a screw is symmetrically connected to the side of the placement plate (204) away from the guide rod (205) for rotation. A threaded rod (214), and the threads of the two groups of threaded rods (214) are arranged opposite to each other. A servo motor (215) is installed below the placement plate (204), and the servo motor (215) is axially connected to a group of threaded rods (214). Internal thread blocks (216) are screwed on the two groups of threaded rods (214). A second slide rail (217) is installed below the photovoltaic panel (103) on the side away from the first slide rail (210). The connection method between the second slide rail (217) and the internal thread block (216) is the same as the connection method between the first slide rail (210) and the guide cylinder (218); The driving assembly (003) comprises: a pulley 1 (301), the pulley 1 (301) is sleeved and installed on two groups of threaded rods (214), a belt 1 (302) is closely connected between the two groups of pulley 1 (301), a pulley 2 (303) is sleeved and installed on one group of threaded rods (214), and this group of threaded rods (214) is connected to a servo motor (215), and a pulley 3 (304) is installed at the center position above the placement plate (204). 304), a belt two (305) is fitted between the pulley three (304) and the pulley two (303), a bevel gear (306) is rotatably connected below the placement plate (204), and the bevel gear (306) is axially connected to the pulley three (304), a base (308) is installed above the bottom plate (001), a bevel tooth plate (307) is installed above the base (308), and the bevel tooth plate (307) is meshed with the bevel gear (306).

2. A tracking photovoltaic power station monitoring method, comprising a tracking photovoltaic power station monitoring device as claimed in claim 1, characterized in that: The processing steps are as follows: Step 1: Sending a signal to the control box (104) through the background, so that the control box (104) controls the servo motor (215) to rotate and drive the threaded rod (214) to rotate. Since the threads of the two groups of threaded rods (214) are arranged opposite to each other, the two groups of internal thread blocks (216) move opposite to each other, so that the carrier plate (102) drives the photovoltaic panel (103) to rotate and change the angle. At this time, the background will receive the real-time power generated by the photovoltaic panel (103). During the adjustment process, since the guide cylinder (218) slides along the guide rod (205), the position sensing plate (207) can monitor the position of the sensor (208) in real time, so that the real-time maximum power generation angle of the photovoltaic panel (103) can be obtained from the background; Step 2: When the surface of the photovoltaic panel (103) is covered with dust, the servo motor (215) rotates during adjustment, which drives the pulley (304) to rotate through the belt (305), so that the bevel gear (306) moves along the bevel tooth plate (307), so that the placement plate (204) moves as a whole. In the process of movement, since the photovoltaic panel (103) also rotates and changes its angle, the photovoltaic panel (103) moves along the scraper (105) and rotates the angle, and the whole moves in an arc shape, so that the dust on the surface of the photovoltaic panel (103) is cleaned.

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