CN115764860B - Photovoltaic power generation power prediction analysis device and method - Google Patents
Photovoltaic power generation power prediction analysis device and method Download PDFInfo
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- CN115764860B CN115764860B CN202211294498.8A CN202211294498A CN115764860B CN 115764860 B CN115764860 B CN 115764860B CN 202211294498 A CN202211294498 A CN 202211294498A CN 115764860 B CN115764860 B CN 115764860B
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- 238000010248 power generation Methods 0.000 title claims abstract description 162
- 238000004458 analytical method Methods 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title abstract description 7
- 230000001681 protective effect Effects 0.000 claims abstract description 49
- 238000005286 illumination Methods 0.000 claims abstract description 46
- 239000000428 dust Substances 0.000 claims abstract description 20
- 230000008859 change Effects 0.000 claims abstract description 15
- 230000007613 environmental effect Effects 0.000 claims abstract description 12
- 238000001514 detection method Methods 0.000 claims description 16
- 238000004804 winding Methods 0.000 claims description 15
- 238000009825 accumulation Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 12
- 239000000178 monomer Substances 0.000 claims description 10
- 239000012535 impurity Substances 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000004308 accommodation Effects 0.000 claims description 2
- 230000002457 bidirectional effect Effects 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 238000009826 distribution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
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- 238000004140 cleaning Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention provides a photovoltaic power generation power prediction analysis device and a method. The number of the protective cases is two, and the first driving assembly is arranged on the mounting seat and used for driving the two protective cases to rotate so as to enable the two protective cases to be combined and opened; the two photovoltaic power generation units are respectively arranged in the corresponding accommodating grooves; the environment acquisition assembly comprises an illumination intensity sensor and an environment temperature sensor which are arranged on the mobile car body. When the protective housing is in the involution state, can protect inside photovoltaic power generation unit not receive the influence of colliding with or dust. Through setting up the environment collection subassembly, can accurately gather the environmental change information in this region to the analysis is according to the environmental information change condition analysis power generation in this region, predicts the power generation and the generated energy of photovoltaic power station of setting up in this region afterwards.
Description
Technical Field
The invention belongs to the technical field of photovoltaic power generation, and particularly relates to a photovoltaic power generation power prediction analysis device and method.
Background
Photovoltaic power generation is a technology that uses the photovoltaic effect of a semiconductor interface to directly convert light energy into electrical energy. The photovoltaic power generation has the characteristics of safety, cleanliness, wide range, sufficient resources and the like, is a clean and sustainable power generation technology, and has important significance in improving the durability and safety of power generation.
According to the scale of the power station, the photovoltaic power station can be divided into a centralized type and a distributed type, wherein centralized photovoltaic refers to the large-scale paving of a photovoltaic power generation device in a certain area, so that a large-scale power generation combination is formed, and the generated energy is large. Distributed photovoltaic refers to a smaller installed-scale power generation system placed near the consumer that utilizes distributed resources, typically accessing a power grid at a voltage level of less than 35 kilovolts or less. At present, low-voltage distributed photovoltaic is connected in a large scale, but because of small body gauge modules and distributed regions, the low-voltage distributed photovoltaic has the problem of large fluctuation of power generation power, and the double fluctuation of a supply side and a demand side can cause the phenomenon that the distributed photovoltaic output and an electric load are mismatched in time and space. Therefore, the prediction of the photovoltaic power generation power in the future area has important significance for operation scheduling of the power distribution network, and is beneficial to meeting the requirements of optimal operation and schedulable load management of the power distribution network.
In order to optimize the operation of a photovoltaic power grid, loads are reasonably scheduled, and when photovoltaic power generation is installed, the power generation power after the photovoltaic power generation is installed at the position needs to be predicted. In the prior art, the mode of predicting the distributed photovoltaic power generation power is estimated according to the power generated by a photovoltaic power station in a nearby region, but the distributed photovoltaic power generation power has strong fluctuation characteristics along with weather changes due to the difference of factors such as weather in different regions, so that a relatively accurate prediction effect is difficult to obtain.
Disclosure of Invention
The invention provides a photovoltaic power generation power prediction analysis device and method, and aims to solve the problems that in the prior art, a mode of predicting distributed photovoltaic power generation power is estimated according to power generation power of photovoltaic power stations in adjacent regions, but because factors such as weather and the like in different regions are different, the distributed photovoltaic power generation power has strong fluctuation characteristics along with weather changes, and a relatively accurate prediction effect is difficult to obtain.
In order to achieve the above purpose, the invention adopts the following technical scheme:
in a first aspect, the invention provides a photovoltaic power generation power prediction analysis device, which is characterized by comprising a mobile vehicle body, a mounting seat, two protective shells, a first driving assembly, two photovoltaic power generation units and an environment acquisition assembly;
The mounting seats are arranged on the movable car body, the number of the two protective shells is two, one ends, adjacent to each other, of the two protective shells are respectively and rotatably arranged on the mounting seats, and the upper surfaces of the protective shells are provided with accommodating grooves; the first driving assembly is arranged on the mounting seat and used for driving the two protective shells to rotate so that one sides of the two protective shells, provided with the accommodating grooves, are mutually involuted and opened; the two photovoltaic power generation units are respectively arranged in the corresponding accommodating grooves; the environment acquisition assembly comprises an illumination intensity sensor and an environment temperature sensor which are arranged on the mobile car body.
In one possible implementation manner, the mounting seat is rotatably arranged on the mobile vehicle body along a vertical axis;
The photovoltaic power generation power prediction analysis device further comprises a second driving assembly arranged on the vehicle body, and the second driving assembly is used for driving the mounting seat to rotate around the vertical axis.
In one possible implementation, the mounting base includes:
the bottom plate is arranged on the movable car body;
The telescopic adjusting pieces are arranged at two ends of the bottom plate oppositely and are provided with telescopic ends which stretch along the direction perpendicular to the plate surface of the bottom plate; and
The support unit, the both ends of support unit respectively with the flexible end of correspondence articulates, first drive assembly with the protective housing is located respectively support unit.
In one possible implementation manner, the supporting unit includes a plurality of track monomers, a plurality of the track monomers are parallel to each other, a first chute is provided along a length direction of the track monomers, and the first driving assembly includes:
the two-way screw rods are respectively arranged on the corresponding first sliding grooves and are provided with two threaded ends with opposite rotation directions;
The sliding blocks are arranged in pairs, are arranged in a group, correspond to the two-way screw rods, and are respectively in threaded fit with the two threaded ends;
the two ends of the transmission rods are respectively hinged to the corresponding sliding blocks and the corresponding protective shell; and
And the driving motor is arranged on the track monomer and used for driving the transmission rod to rotate.
In one possible implementation, the accommodating groove is provided with a drain hole penetrating through the wall thickness direction, and a plurality of drain holes are arranged around the photovoltaic power generation unit.
In one possible implementation manner, the photovoltaic power generation power prediction analysis device further comprises a shading component arranged in the accommodating groove;
the shading assembly includes:
The mounting box is arranged on one side of the photovoltaic power generation unit and is provided with an accommodating space, one side, facing the photovoltaic power generation unit, of the mounting box is provided with an avoidance port, and the avoidance port is higher than the photovoltaic power generation unit;
The winding drum is rotationally arranged in the accommodating space, and the axial direction of the winding drum is parallel to the length direction of the avoidance opening;
A shading belt which is wound on the winding drum, one end of the shading belt extends out of the avoidance opening, and a light-emitting unit is arranged on one side of the shading belt, which faces the photovoltaic power generation unit;
a reset torsion spring arranged on the winding drum and configured with a pretightening force for enabling the winding drum to rotate so as to wind up the shading tape; and
And the third driving assembly is provided with a working end which moves along the opening direction of the avoidance opening, and the working end is connected with the shading belt.
In one possible implementation manner, two side walls of the accommodating groove parallel to the opening direction of the avoidance opening are respectively provided with a second sliding groove, and the second sliding grooves extend along the opening direction of the avoidance opening;
the both sides of shading area are equipped with respectively with corresponding second spout sliding fit's guide block, third drive assembly's work end with the guide block is connected.
In one possible implementation, the photovoltaic power generation power prediction analysis component further includes an anchor component;
the anchor assembly includes:
The two support plates are respectively arranged at two sides of the movable vehicle body, one end of each support plate is connected with the movable vehicle body, and the other end of each support plate extends along the direction away from the movable vehicle body and is provided with a vertically penetrating threaded hole;
The ground inserts are respectively arranged at the two threaded holes and are provided with downward sharp ends and connecting parts matched with the threaded holes; and
The balancing weights are annular, are sleeved on the two connecting parts respectively and are located above the supporting plates.
In one possible implementation, the photovoltaic power generation power prediction analysis device further includes a traction vehicle detachably connected to the mobile vehicle body.
Compared with the prior art, the photovoltaic power generation power prediction analysis device provided by the invention has the beneficial effects that:
The photovoltaic power generation power prediction analysis device comprises a mobile vehicle body, a mounting seat, two protective shells, a first driving assembly, two photovoltaic power generation units and an environment acquisition assembly. The mount pad is located in the protective housing rotation, and two protective housing can receive and open under first drive assembly's drive, when being in the involution state, can protect inside photovoltaic power generation unit not receive the influence of colliding with or dust. When the photovoltaic power generation device is used, the movable vehicle body is moved to the to-be-detected area, and the two protection shells are driven to be opened, so that the photovoltaic power generation unit can smoothly receive sunlight. The illumination time information and the illumination intensity information of the area are collected through the illumination intensity sensor, the temperature change condition of the area is collected through the environment temperature sensor, the power generation power change condition of the photovoltaic power generation unit is collected at the same time, and the environment change information of the area can be accurately collected through the environment collection assembly, so that the change rule of the power generation power is analyzed according to the environment information change condition of the area, and the power generation power and the power generation amount of the photovoltaic power generation station which are arranged in the area are predicted.
The photovoltaic power generation power prediction analysis device provided by the invention comprises the mobile vehicle body, wherein the mobile vehicle body can move between different regions, and can perform photovoltaic power generation power prediction analysis work on a plurality of different regions. After the information of one area is collected, the information can be moved to the next area for continuous use, so that the information collecting device can be repeatedly used, and the use cost is saved.
The photovoltaic power generation units are arranged in the protective cases, the protective cases are rotatably arranged through the first driving assembly, and the two protective cases can be folded through the first driving assembly during transportation to a detection place or in other unused periods, so that the photovoltaic power generation units in the accommodating grooves are protected from being impacted or influenced by dust, the risk of being impacted in the transportation process is reduced, and road dust is prevented from falling to the photovoltaic power generation units during transportation, and the power generation efficiency and the accuracy of data acquisition are influenced during subsequent tests.
In a second aspect, the present invention also provides a photovoltaic power generation power prediction analysis method, including:
the photovoltaic power generation power prediction analysis device is adopted to collect the information of illumination intensity, illumination time and environmental temperature of a detection place in a preset time period;
According to the photovoltaic power generation power in a preset time period, a prediction model database of the change of the photovoltaic power generation power along with illumination intensity, illumination time and environmental temperature information is established;
And according to the prediction model database, combining with future weather forecast of the detection place, calculating future photovoltaic power generation power of the detection place to obtain a power generation quantity predicted value.
According to the invention, the photovoltaic power generation power prediction analysis device is used for collecting the illumination intensity, illumination time and environmental temperature information of the detection place, a prediction model database of the power generation power changing along with the environment of the area is established, and then future photovoltaic power generation power of the detection place is calculated to obtain a power generation quantity predicted value, so that a more accurate prediction analysis result is facilitated.
Drawings
Fig. 1 is a schematic structural diagram of a photovoltaic power generation power prediction analysis device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a photovoltaic power generation power prediction analysis device according to an embodiment of the present invention;
FIG. 3 is a schematic view of another angle of a photovoltaic power generation power prediction analysis device according to an embodiment of the present invention;
Fig. 4 is a plan view of the photovoltaic power generation power predictive analysis device in the forward direction of fig. 3;
FIG. 5 is an internal cross-sectional view of a photovoltaic power generation power predictive analysis device according to an embodiment of the invention;
FIG. 6 is an internal cross-sectional view of a protective shell according to a first embodiment of the invention;
FIG. 7 is a schematic diagram of a light shielding tape according to an embodiment of the present invention;
Fig. 8 is an assembly schematic diagram of a light shielding component, a protective housing and a photovoltaic power generation unit according to a first embodiment of the present invention;
Fig. 9 is a schematic view of a structure of a mobile vehicle body according to a second embodiment of the present invention.
Reference numerals illustrate:
1. a photovoltaic power generation power prediction analysis device;
10. Moving the vehicle body;
20. A mounting base; 21. a bottom plate; 22. a telescoping adjustment member; 23. a supporting unit; 231. a rail monomer; 232. a first chute;
30. a protective shell; 31. a receiving groove; 32. a drain hole; 33. a second chute;
40. A first drive assembly; 41. a two-way screw rod; 42. a slide block; 43. a transmission rod; 44. a driving motor;
50. A photovoltaic power generation unit;
60. An environment collection assembly;
70. a shade assembly; 71. a mounting box; 72. a reel; 73. a shading tape; 74. a guide block; 75. a light emitting unit;
80. An anchor assembly; 81. a support plate; 82. performing ground insertion; 821. a sharp end; 822. a connection part; 83. balancing weight;
90. And a second drive assembly.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that when an element is referred to as being "fixed," "secured" to another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to," "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on," "disposed on" another element, it can be directly on the other element or intervening elements may also be present. "plurality" refers to two and more numbers. "at least one" refers to one and more quantities. "number" refers to one or more numbers.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
Referring to fig. 1 to 9, a photovoltaic power generation power prediction analysis device 1 and a photovoltaic power generation power prediction analysis method according to an embodiment of the invention are described below.
Referring to fig. 1 to 9, in a first aspect, an embodiment of the present invention provides a photovoltaic power generation power prediction analysis device 1, which includes a mobile vehicle body 10, a mounting base 20, two protective cases 30, a first driving assembly 40, two photovoltaic power generation units 50, and an environment collection assembly 60. The mounting seats 20 are arranged on the mobile car body 10, the number of the protective shells 30 is two, one ends, adjacent to each other, of the two protective shells 30 are respectively rotatably arranged on the mounting seats 20, and the upper surfaces of the protective shells 30 are provided with accommodating grooves 31; the first driving assembly 40 is disposed on the mounting base 20, and is used for driving the two protecting shells 30 to rotate, so that one sides of the two protecting shells 30 provided with the accommodating grooves 31 are mutually involuted and opened; the two photovoltaic power generation units 50 are respectively arranged in the corresponding accommodating grooves 31; the environment collection assembly 60 includes an illumination intensity sensor and an environment temperature sensor provided to the mobile vehicle body 10.
Compared with the prior art, the photovoltaic power generation power prediction analysis device 1 provided by the embodiment of the invention has the beneficial effects that:
The photovoltaic power generation power prediction analysis device 1 provided by the embodiment of the invention comprises a mobile vehicle body 10, a mounting seat 20, two protective shells 30, a first driving assembly 40, two photovoltaic power generation units 50 and an environment acquisition assembly 60. The protective housing 30 rotates to locate mount pad 20, and two protective housings 30 can receive and open under the drive of first drive assembly 40, when being in the involution state, can protect inside photovoltaic power generation unit 50 from colliding with or the influence of dust. In use, the mobile vehicle body 10 is moved to the region to be detected, and the two protective cases 30 are driven to open, so that the photovoltaic power generation unit 50 can smoothly receive sunlight. The illumination time information and the illumination intensity information of the area are acquired through the illumination intensity sensor, the temperature change condition of the area is acquired through the environment temperature sensor, the generation power change condition of the photovoltaic power generation unit 50 is acquired at the same time, and the environment change information of the area can be accurately acquired through the environment acquisition assembly 60, so that the analysis of the generation power change rule according to the environment information change condition of the area is facilitated, and the prediction of the generation power and the generation energy of the photovoltaic power station arranged in the area is performed.
The photovoltaic power generation power prediction analysis device 1 provided by the embodiment of the invention comprises the mobile vehicle body 10, wherein the mobile vehicle body 10 can move between different regions, and can perform photovoltaic power generation power prediction analysis work on a plurality of different regions, and compared with the construction of a fixed environment monitoring station, the cost is lower. After the information of one area is collected, the information can be moved to the next area for continuous use, so that the information collecting device can be repeatedly used, and the use cost is saved.
In the embodiment of the invention, the photovoltaic power generation units 50 are arranged in the protective cases 30, the protective cases 30 are rotatably arranged through the first driving assembly 40, and the two protective cases 30 can be folded through the first driving assembly 40 during transportation to a detection site or in other unused periods, so that the photovoltaic power generation units 50 in the accommodating grooves 31 are protected from being impacted by collision or dust, the risk of collision in the transportation process is reduced, and road dust is prevented from falling to the photovoltaic power generation units 50 during transportation, and the power generation efficiency and the accuracy of data acquisition in the subsequent test period are influenced.
In the embodiment of the present invention, the mobile vehicle body 10 may be a frame that does not include a driving device, and is moved to a location to be detected by a towing vehicle such as a pickup truck when in use. Alternatively, the mobile vehicle body 10 may be a vehicle having a separate traction device (e.g., an engine) and the driver may be able to steer the mobile vehicle body 10 to the site to be inspected.
When the device is used, the device needs to be parked at a place to be detected for a period of time, the period of time can be in units of week, month, quarter and year, and the period of time can be selected according to actual needs. When the system is used, information such as photovoltaic power generation power, illumination time, illumination intensity, environmental temperature and the like required by predictive analysis can be collected and recorded by workers. Or can also set up control module, control module and instrument equipment electric connection such as photovoltaic power generation unit 50, illumination intensity sensor, ambient temperature sensor can collect and store information such as photovoltaic power generation power, illumination time, illumination intensity, ambient temperature, and after waiting to gather, operating personnel exports information data and carries out predictive analysis, so can realize unmanned monitoring.
When unmanned monitoring is carried out, an operator only needs to move the device to a specific place, and opens each instrument and equipment to enable the instrument and equipment to work normally. Information such as photovoltaic power generation power, illumination time, illumination intensity, environmental temperature and the like in a certain time period is automatically collected and stored through a control module, after the time period is finished, an operator returns to the place to derive data, and then the mobile vehicle body 10 can be driven to the next detection place to perform information acquisition work of the next area.
The protective case 30 has a housing groove 31, and the photovoltaic cell 50 is generally plate-shaped, and the photovoltaic cell 50 is fixed in the housing groove 31. As shown in fig. 2, when the two protective cases 30 are closed, the contact surface is sealed, and dust, rainwater, or the like can be prevented from entering the accommodating groove 31.
The protective housings 30 are rotatably connected with the mounting base 20, and the first driving assembly 40 is used for driving the two protective housings 30 to rotate, so that the specific structural form of the first driving assembly 40 is not limited. Alternatively, the first driving assembly 40 may be a motor rotatably connected to the rotation shaft of the protective case 30, or may be a hydraulic cylinder, an electric telescopic rod, or the like, both ends of which are respectively hinged to the protective case 30 and the mount 20.
It should be noted that, since the present device will generally stand for a period of time when in use, in order to save energy and improve the safety and reliability of the device, the first driving assembly 40 may be a driving device with a self-locking function. After the first driving assembly 40 drives the two protection shells 30 to open, the protection shells 30 can maintain the posture unchanged under the action of the self-locking function even if the power (electric energy and hydraulic pump) is cut off.
The environment collection assembly 60 includes an illumination intensity sensor and an environment temperature sensor provided to the mobile vehicle body 10.
The illumination intensity sensor is also called an illumination intensity sensor and an illumination intensity transmitter, is a sensor for converting the illumination intensity into an electric signal, has certain application in a plurality of industries, such as illumination monitoring of environments such as agricultural greenhouses, street lamps on the street, automatic weather stations and the like, and can detect environmental information such as illumination time, illumination intensity and the like.
Because the temperature has a large influence on the working efficiency of the battery, the embodiment of the invention can detect the ambient temperature by arranging the ambient temperature sensor, and can be particularly in the types of thermocouple type, thermistor type and the like, and can sense the temperature and convert the temperature into an available output signal.
Referring to fig. 1 and 3, in some possible embodiments, the mounting base 20 is rotatably disposed on the moving vehicle body 10 along a vertical axis; the photovoltaic power generation power prediction analysis device 1 further comprises a second driving assembly 90 arranged on the vehicle body, and the second driving assembly 90 is used for driving the mounting seat 20 to rotate around the vertical axis.
Since the orientation and the inclination angle of the photovoltaic panel should be adjusted according to the actual situation when the photovoltaic power generation is installed, the orientation and the inclination angle of the photovoltaic power generation unit 50 can be adjusted by changing the orientation and the inclination angle of the mobile vehicle body 10 when in use. Considering that the mobile vehicle body 10 has a large volume, the precise adjustment is inconvenient to realize, and the second driving assembly 90 in this embodiment is used for driving the mounting seat 20 to rotate, so that the direction of the photovoltaic power generation unit 50 during use is convenient to adjust by adjusting the rotation angle of the mounting seat 20.
The structural form of the second driving assembly 90 is not limited, and alternatively, the mounting base 20 may be rotatably connected with the moving vehicle body 10 through a rotation shaft, the rotation shaft may be a gear shaft, the second driving assembly 90 may be a gear mechanism, and the gear shaft drives the gear shaft to rotate through the driving member, and then drives the mounting base 20 to rotate. Alternatively, the second driving assembly 90 may be a pulley or a sprocket mechanism, and may be capable of achieving a rotational power output.
Referring to fig. 1 and 2, in some possible embodiments, in order to precisely adjust the inclination angle of the photovoltaic power generation unit 50, the mounting base 20 includes a base 21, a telescopic adjusting member 22 disposed on the base 21, and a supporting unit 23. Wherein the bottom plate 21 is provided on the mobile vehicle body 10; at least two telescopic adjusting members 22 are oppositely arranged at two ends of the bottom plate 21, and the telescopic adjusting members 22 are provided with telescopic ends which are telescopic along the direction perpendicular to the plate surface of the bottom plate 21; both ends of the supporting unit 23 are respectively hinged with corresponding telescopic ends, and the first driving assembly 40 and the protective housing 30 are respectively arranged on the supporting unit 23.
The mounting base 20 in this embodiment includes a bottom plate 21, a telescopic adjusting member 22, and a supporting unit 23, and the protective housing 30 and the photovoltaic power generation unit 50 are disposed on the supporting unit 23, and the overall height and the inclination angle of the supporting unit 23 can be adjusted by the telescopic adjusting member 22.
When the use place is a grassland and plants exist, the height of the photovoltaic power generation unit 50 can be increased through the telescopic adjusting piece 22, so that the plant production is prevented from interfering with the lighting of the photovoltaic power generation unit 50. When the inclination angle of the photovoltaic power generation unit 50 needs to be adjusted, the different telescopic adjusting members 22 can be controlled to stretch and retract to different degrees, so that the photovoltaic power generation unit 50 is inclined.
The telescoping adjustment 22 may be a hydraulic cylinder, an electric telescoping rod, or the like.
Referring to fig. 1 to 5, in some possible embodiments, the supporting unit 23 includes a plurality of rail units 231, the rail units 231 are parallel to each other, and the rail units 231 are provided with first sliding grooves 232 along their length directions. The first driving assembly 40 comprises a bidirectional screw rod 41, a sliding block 42, a transmission rod 43 and a driving motor 44. The two-way screw rods 41 are in one-to-one correspondence with the track monomers 231 and are respectively arranged on the corresponding first sliding grooves 232, and the two-way screw rods 41 are provided with two threaded ends with opposite rotation directions; the sliding blocks 42 are arranged in pairs on the corresponding bidirectional screw rods 41 in a group mode and are respectively in threaded fit with the two threaded ends; the plurality of transmission rods 43 are in one-to-one correspondence with the plurality of sliding blocks 42, and two ends of each transmission rod 43 are respectively hinged to the corresponding sliding block 42 and the corresponding protective shell 30; the driving motor 44 is disposed on the track unit 231, and is used for driving the transmission rod 43 to rotate, so as to cause the two sliders 42 disposed at two ends of the same bidirectional screw 41 to move relatively or oppositely.
In this embodiment, the supporting unit 23 includes one or more rail units 231, and in order to make the motion more stable and the stress more parallel, two rail units 231 may be provided as shown in fig. 2.
The first driving assembly 40 includes a bidirectional screw 41, a slider 42, a transmission rod 43 and a driving motor 44, which are disposed in the first chute 232, and the driving motor 44 drives the bidirectional screw 41 to rotate, so that the sliders 42 disposed at the two threaded ends can be driven to move simultaneously, so that the two sliders 42 are close to or far from each other. The slide block 42 moves to drive the transmission rod 43 to act, and the transmission rod 43 transmits force to the protection shells 30 to promote the two protection shells 30 to be synchronously folded or unfolded.
Referring to fig. 6, in some possible embodiments, the accommodating groove 31 is provided with drain holes 32 penetrating through the wall thickness direction, and a plurality of drain holes 32 are disposed around the photovoltaic power generation unit 50.
In view of the influence of rainfall, the present embodiment is capable of draining rainwater at the time of rainfall from the drain hole 32 by providing the drain hole 32 in the accommodating groove 31. The plurality of drain holes 32 are circumferentially arranged along the photovoltaic power generation unit 50, and the photovoltaic power generation unit 50 can be inclined at different angles to ensure that rainwater can be smoothly discharged.
Referring to fig. 7 and 8, in some possible embodiments, the photovoltaic power prediction analysis device 1 further includes a light shielding component 70 disposed in the accommodating groove 31. The shutter assembly 70 includes a mounting box 71, a spool 72, a shutter belt 73, a reset torsion spring, and a third drive assembly. The mounting box 71 is arranged on one side of the photovoltaic power generation unit 50, the mounting box 71 is provided with an accommodating space, one side of the mounting box 71 facing the photovoltaic power generation unit 50 is provided with an avoidance port, and the avoidance port is higher than the photovoltaic power generation unit 50; the winding drum 72 is rotationally arranged in the accommodating space, and the axial direction of the winding drum 72 is parallel to the length direction of the avoiding opening; the shading belt 73 is wound on the winding drum 72, one end of the shading belt 73 extends out of the avoidance port, and a light-emitting unit 75 is arranged on one side of the shading belt 73 facing the photovoltaic power generation unit 50; the reset torsion spring is arranged on the winding drum 72 and is configured with a pretightening force for enabling the winding drum 72 to rotate so as to wind up the shading band 73; the third driving assembly has a working end moving along the opening direction of the escape opening, and the working end is connected with the light shielding tape 73.
Considering that impurities such as dust, sand and the like are covered on the photovoltaic power generation unit 50 during use, the photovoltaic power generation power is also affected. Therefore, during the operation of the photovoltaic power station, cleaning work is required to be regularly arranged, impurities such as sand and dust on the photovoltaic panel are cleaned, and the light receiving efficiency is improved. Since dust accumulation rates in different areas are different, the dust accumulation rate and the dust accumulation amount are also factors to be considered in predicting photovoltaic power generation.
In order to detect the accumulation amount and accumulation speed of dust, as shown in fig. 7 and 8, the present embodiment is provided with a light shielding member 70 in at least one of the accommodation grooves 31. First, it is necessary to measure the generated power of the photovoltaic power generation unit 50 under the rated illumination intensity of the light emitting unit 75 when the surface of the photovoltaic power generation unit 50 is clean and free of impurities, and use the generated power at this time as an ideal generated power as a reference standard.
When the dust accumulation amount needs to be detected, the shading assembly 70 works, and the shading belt 73 is driven to move through the third driving assembly, so that the shading belt 73 covers the photovoltaic power generation unit 50, the shading belt 73 can shade external light, the external light is prevented from entering the accommodating groove 31, and meanwhile, light leakage emitted by the light emitting unit 75 is avoided. The light emitting unit 75 is started, the light emitting unit 75 emits light with rated illumination intensity, and the actual generated power and the ideal generated power are compared by detecting the generated power at the moment, so that the influence degree of shielding of surface impurities on the photovoltaic power generating unit 50 can be judged, and the quantity of surface area dust can be judged.
The dust accumulation amount is measured for a plurality of times within a preset time period, so that the dust accumulation speed can be calculated, and the prediction analysis result is more accurate.
The light emitting unit 75 may be a plurality of light panels, light strips, light beads, etc. uniformly arranged on the light shade 73, and may be capable of emitting light with a fixed illumination intensity.
The third driving component is used for driving the light shielding belt 73 to move, and can be a driving mechanism such as a screw rod sliding block 42 mechanism, a hydraulic oil cylinder, an air cylinder and the like, which can realize linear reciprocating motion. The reset torsion spring is mounted to the spool 72 such that the spool 72 can automatically wind up the shade tape 73.
Referring to fig. 8, in some possible embodiments, two side walls of the accommodating groove 31 parallel to the opening direction of the avoidance port are respectively provided with a second sliding groove 33, and the second sliding groove 33 extends along the opening direction of the avoidance port; the two sides of the shading band 73 are provided with guide blocks 74 which are in sliding fit with the corresponding second sliding grooves 33, and the working end of the third driving assembly is connected with the guide blocks 74.
In this embodiment, the second chute 33 is provided on the side wall of the accommodating groove 31, so that the guide block 74 can be guided when sliding, and the guide block 74 is prevented from being shifted when moving. The light shielding tape 73 is ensured to cover the upper part of the photovoltaic power generation unit 50, so that light leakage is avoided.
Referring to fig. 9, in some possible embodiments, the photovoltaic power generation power prediction analysis assembly further comprises an anchor assembly 80; the anchor assembly 80 includes two support plates 81, two ground inserts 82, and a plurality of weights 83. Two support plates 81 are respectively arranged on two sides of the movable vehicle body 10, one end of each support plate 81 is connected with the movable vehicle body 10, and the other end extends along the direction away from the movable vehicle body 10 and is provided with a threaded hole; the two ground inserts 82 are respectively arranged on the two threaded holes, and the ground inserts 82 are provided with downward pointed ends 821 and connecting parts 822 matched with the threaded holes; the plurality of balancing weights 83, the balancing weights 83 are annular, are respectively sleeved on the two connecting portions 822, and are located above the supporting plate 81.
Because the device needs to be arranged outdoors for a long time when in use, the mobile vehicle body 10 can be fixed by arranging the anchoring assembly 80, and the mobile vehicle body 10 is helped to resist weather such as strong wind.
When the position of the movable car body 10 is fixed, the connector 82 can be rotated to move the connecting part 822 downwards, and the sharp end 821 can be inserted into the ground to a certain depth, so that the wind-proof fixing function is realized. The balancing weight 83 is sleeved on the connecting portion 822, so that the overall weight of the device can be increased, and the windproof effect can be improved.
Referring to fig. 1 and 9, in some possible embodiments, the photovoltaic power generation power prediction analysis device 1 further includes a traction vehicle detachably connected to the mobile vehicle body 10.
In this embodiment, the traction vehicle is detachably connected with the mobile vehicle body 10, and after the personnel moves the device to a fixed place, each equipment instrument is debugged, so that the traction vehicle can be driven to leave without being resided in the field, and unmanned monitoring is conveniently realized.
In a second aspect, an embodiment of the present invention provides a photovoltaic power prediction analysis method, including:
By adopting the photovoltaic power generation power prediction analysis device 1 in any embodiment, the environment acquisition component 60 of the photovoltaic power generation power prediction analysis device 1 is used for acquiring the information of illumination intensity, illumination time and environment temperature of the detection place in a preset time period;
According to the photovoltaic power generation power in a preset time period, a prediction model database of the change of the photovoltaic power generation power along with illumination intensity, illumination time and environmental temperature information is established;
and according to the prediction model database, combining with future weather forecast of the detection place, calculating future photovoltaic power generation power of the detection place to obtain a power generation predicted value.
According to the invention, the photovoltaic power generation power prediction analysis device 1 is used for collecting the illumination intensity, illumination time and environmental temperature information of a detection place, a prediction model database of the power generation power changing along with the environment of the area is established, and then future photovoltaic power generation power of the detection place is calculated to obtain a power generation amount prediction value, so that a more accurate prediction analysis result is obtained, and a more accurate prediction analysis result is provided for the installation and the laying of a follow-up photovoltaic power station.
It will be appreciated that the portions of the foregoing embodiments may be freely combined or omitted to form different combined embodiments, and the details of the respective combined embodiments are not described herein, so that after the description, the present disclosure may be considered as having described the respective combined embodiments, and the different combined embodiments can be supported.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (9)
1. The photovoltaic power generation power prediction analysis device is characterized by comprising a mobile vehicle body, a mounting seat, two protective shells, a first driving assembly, two photovoltaic power generation units and an environment acquisition assembly;
The mounting seats are arranged on the movable car body, the number of the two protective shells is two, one ends, adjacent to each other, of the two protective shells are respectively and rotatably arranged on the mounting seats, and the upper surfaces of the protective shells are provided with accommodating grooves; the first driving assembly is arranged on the mounting seat and used for driving the two protective shells to rotate so that one sides of the two protective shells, provided with the accommodating grooves, are mutually involuted and opened; the two photovoltaic power generation units are respectively arranged in the corresponding accommodating grooves; the environment acquisition component comprises an illumination intensity sensor and an environment temperature sensor which are arranged on the mobile car body;
the light shielding assembly is arranged in the accommodating groove;
the shading assembly includes:
The mounting box is arranged on one side of the photovoltaic power generation unit and is provided with an accommodating space, one side, facing the photovoltaic power generation unit, of the mounting box is provided with an avoidance port, and the avoidance port is higher than the photovoltaic power generation unit;
The winding drum is rotationally arranged in the accommodating space, and the axial direction of the winding drum is parallel to the length direction of the avoidance opening;
A shading belt which is wound on the winding drum, one end of the shading belt extends out of the avoidance opening, and a light-emitting unit is arranged on one side of the shading belt, which faces the photovoltaic power generation unit;
a reset torsion spring arranged on the winding drum and configured with a pretightening force for enabling the winding drum to rotate so as to wind up the shading tape; and
The third driving assembly is provided with a working end which moves along the opening direction of the avoidance opening, and the working end is connected with the shading belt;
when the accumulation amount and accumulation speed of dust are required to be detected, firstly measuring the power generated by the photovoltaic power generation unit under the rated illumination intensity of the light-emitting unit when the surface of the photovoltaic power generation unit is clean and free of impurities, and taking the power generated at the moment as ideal power to serve as a reference standard; then the shading component works, the shading belt is driven to move through the third driving component, the shading belt is enabled to cover the upper portion of the photovoltaic power generation unit to shade external light, the light-emitting unit is started finally, the light-emitting unit emits light with rated illumination intensity, actual power generation is detected, the actual power generation and the ideal power generation are compared, and the influence degree of the photovoltaic power generation unit, which is shielded by surface impurities, is judged, so that the accumulation amount and accumulation speed of surface dust are judged.
2. The photovoltaic power generation power predictive analysis device according to claim 1, wherein the mount is rotatably provided to the moving vehicle body along a vertical axis;
The photovoltaic power generation power prediction analysis device further comprises a second driving assembly arranged on the vehicle body, and the second driving assembly is used for driving the mounting seat to rotate around the vertical axis.
3. The photovoltaic power generation power predictive analysis device according to claim 1 or 2, wherein the mount includes:
the bottom plate is arranged on the movable car body;
The telescopic adjusting pieces are arranged at two ends of the bottom plate oppositely and are provided with telescopic ends which stretch along the direction perpendicular to the plate surface of the bottom plate; and
The support unit, the both ends of support unit respectively with the flexible end of correspondence articulates, first drive assembly with the protective housing is located respectively support unit.
4. The photovoltaic power generation power prediction analysis device according to claim 3, wherein the support unit includes a plurality of track monomers, a plurality of the track monomers are parallel to each other, a first chute is provided along a self length direction of the track monomers, and the first driving assembly includes:
the two-way screw rods are respectively arranged on the corresponding first sliding grooves and are provided with two threaded ends with opposite rotation directions;
The sliding blocks are arranged in pairs, are arranged in a group, correspond to the two-way screw rods, and are respectively in threaded fit with the two threaded ends;
the two ends of the transmission rods are respectively hinged to the corresponding sliding blocks and the corresponding protective shell; and
And the driving motor is arranged on the track monomer and used for driving the transmission rod to rotate.
5. The photovoltaic power generation power predictive analysis device according to claim 1, wherein the accommodation groove is provided with a drain hole penetrating through a wall thickness direction, and a plurality of the drain holes are provided around the photovoltaic power generation unit.
6. The photovoltaic power generation power prediction analysis device according to claim 1, wherein second sliding grooves are respectively formed in two side walls of the accommodating groove, which are parallel to the opening direction of the avoidance opening, and extend along the opening direction of the avoidance opening;
the both sides of shading area are equipped with respectively with corresponding second spout sliding fit's guide block, third drive assembly's work end with the guide block is connected.
7. The photovoltaic power generation power predictive analysis device of claim 1, wherein the photovoltaic power generation power predictive analysis assembly further comprises an anchor assembly;
the anchor assembly includes:
The two support plates are respectively arranged at two sides of the movable vehicle body, one end of each support plate is connected with the movable vehicle body, and the other end of each support plate extends along the direction away from the movable vehicle body and is provided with a vertically penetrating threaded hole;
The ground inserts are respectively arranged at the two threaded holes and are provided with downward sharp ends and connecting parts matched with the threaded holes; and
The balancing weights are annular, are sleeved on the two connecting parts respectively and are located above the supporting plates.
8. The photovoltaic power generation power predictive analysis device of claim 1, further comprising a towing vehicle removably coupled to the mobile vehicle body.
9. The photovoltaic power generation power prediction analysis method is characterized by comprising the following steps of:
The photovoltaic power generation power prediction analysis device according to any one of claims 1-8 is adopted to collect illumination intensity, illumination time and environmental temperature information of a detection place in a preset time period;
According to the photovoltaic power generation power in a preset time period, a prediction model database of the change of the photovoltaic power generation power along with illumination intensity, illumination time and environmental temperature information is established;
And according to the prediction model database, combining with future weather forecast of the detection place, calculating future photovoltaic power generation power of the detection place to obtain a power generation quantity predicted value.
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