CN115765624A - Photovoltaic equipment monitoring system - Google Patents
Photovoltaic equipment monitoring system Download PDFInfo
- Publication number
- CN115765624A CN115765624A CN202211295022.6A CN202211295022A CN115765624A CN 115765624 A CN115765624 A CN 115765624A CN 202211295022 A CN202211295022 A CN 202211295022A CN 115765624 A CN115765624 A CN 115765624A
- Authority
- CN
- China
- Prior art keywords
- photovoltaic
- module
- unit
- cleaning
- photovoltaic module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 90
- 238000004891 communication Methods 0.000 claims abstract description 14
- 238000004140 cleaning Methods 0.000 claims description 99
- 230000007246 mechanism Effects 0.000 claims description 60
- 238000010408 sweeping Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 239000000428 dust Substances 0.000 description 7
- 238000009434 installation Methods 0.000 description 7
- 238000010248 power generation Methods 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 238000001931 thermography Methods 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012634 optical imaging Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The invention provides a photovoltaic equipment monitoring system, which comprises a voltage monitoring unit, a hot spot monitoring unit, an electric quantity monitoring unit, an image acquisition unit and a control unit, wherein the voltage monitoring unit is connected with a photovoltaic assembly and is used for monitoring the voltage of the photovoltaic assembly; the hot spot monitoring unit is used for monitoring hot spot faults of the photovoltaic module; the electric quantity monitoring unit is connected with the photovoltaic module and is used for monitoring the electric energy generation of the photovoltaic module; the image acquisition unit is used for acquiring images of the photovoltaic module and the environment around the photovoltaic module; the control unit is respectively in communication connection with the voltage monitoring unit, the hot spot monitoring unit, the electric quantity monitoring unit and the image acquisition unit. The invention provides a photovoltaic equipment monitoring system, and aims to solve the problem that in the prior art, photovoltaic equipment cannot perform accident early warning, and large-area production stoppage of the photovoltaic equipment is easily caused.
Description
Technical Field
The invention belongs to the technical field of photovoltaic equipment, and particularly relates to a photovoltaic equipment monitoring system.
Background
Photovoltaic power generation is a technology of directly converting light energy into electric energy by using the photovoltaic effect of a semiconductor interface. The solar energy power generation system mainly comprises a solar cell panel (assembly), a control unit and an inverter, and the main components comprise electronic components. The solar cells are connected in series and then are packaged and protected to form a large-area solar cell module, and then the photovoltaic power generation device is formed by matching with components such as a power control unit and the like. Photovoltaic power generation does not emit greenhouse gases, is environment-friendly, and has become another clean energy source with huge commercial potential after wind power generation along with the annual reduction of cost.
Along with the increase of the installation density of the photovoltaic cell panel, the probability of uncertain faults is increased, and if the photovoltaic cell panel is maintained after the faults occur, the photovoltaic cell panel can be stopped in a large area, and normal production and operation are influenced. Therefore, the photovoltaic equipment needs to be monitored in real time, and is maintained in time when the photovoltaic equipment is abnormal, so that the accident of large-area production stop is avoided.
Disclosure of Invention
The invention aims to provide a photovoltaic equipment monitoring system, and aims to solve the problem that in the prior art, photovoltaic equipment cannot perform accident early warning, and large-area production stop of the photovoltaic equipment is easily caused.
In order to realize the purpose, the invention adopts the technical scheme that: there is provided a photovoltaic device monitoring system comprising:
the voltage monitoring unit is connected with the photovoltaic module and used for monitoring the voltage of the photovoltaic module;
the hot spot monitoring unit is used for monitoring hot spot faults of the photovoltaic module;
the electric quantity monitoring unit is connected with the photovoltaic module and used for monitoring the electric energy generation of the photovoltaic module;
the image acquisition unit is used for acquiring images of the photovoltaic module and the environment around the photovoltaic module; and
and the control unit is in communication connection with the voltage monitoring unit, the hot spot monitoring unit, the electric quantity monitoring unit and the image acquisition unit respectively.
In one possible implementation, the hot spot monitoring unit includes:
a temperature sensor;
the mounting frame is arranged around the outer side of the photovoltaic module; and
the drive assembly is arranged on the mounting rack and comprises a first drive mechanism connected with the mounting rack and a second drive mechanism connected with the first drive mechanism, the second drive mechanism is connected with the temperature sensor, the first drive mechanism controls the second drive mechanism to move along a first path, the second drive mechanism controls the temperature sensor to move along a second path, and the first path is perpendicular to the second path.
In a possible implementation manner, the photovoltaic device monitoring system further comprises a positioning unit arranged on the photovoltaic module and a cleaning unit in communication connection with the image acquisition unit and the control unit respectively, the positioning unit is in communication connection with the control unit and the cleaning unit respectively, and the cleaning unit comprises a cleaning assembly arranged on the second driving mechanism.
In a possible implementation manner, the sweeping assembly comprises a fan arranged on the second driving mechanism, and the fan is used for blowing air to the light facing surface of the photovoltaic assembly.
In a possible implementation manner, the cleaning unit further comprises a cleaning robot arranged between the plurality of groups of photovoltaic modules in a movable manner, the cleaning robot is in communication connection with the image acquisition unit and the control unit respectively, and the cleaning robot is used for cleaning the surfaces of the photovoltaic modules.
In one possible implementation, the cleaning robot includes:
a base;
the walking module is arranged in the base and is used for controlling the base to move;
the mechanical arm module is connected to the base and can rotate around a first axis, and the first axis is vertical to the up-down direction; and
the cleaning module is connected to the mechanical arm module and used for cleaning the photovoltaic assembly.
In one possible implementation, the first drive mechanism includes:
the first driver is arranged on the mounting rack;
a first screw connected to the first driver and the mounting bracket, respectively, an axis of the first screw being parallel to the first path;
the first guide rod is connected with the mounting rack, and the axis of the first guide rod is parallel to the axis of the first screw rod; and
and the fixing plate is in threaded connection with the first screw rod and penetrates through the first guide rod along the first path in a sliding manner.
In one possible implementation, the second drive mechanism includes:
the second driver is arranged on the fixing plate;
a second screw rod respectively connected to the second driver and the fixing plate, wherein an axis of the second screw rod is parallel to the second path;
the second guide rod is connected with the fixing plate, and the axis of the second guide rod is parallel to the axis of the second screw rod; and
the fixed block is connected to the fixed plate in a sliding mode along the second path, is in threaded connection with the second screw rod and penetrates through the second guide rod in a sliding mode along the second path, and the temperature sensor is arranged on the fixed block.
In a possible implementation manner, the hot spot monitoring unit further comprises a thermal imager arranged on the fixed block, and the thermal imager is in communication connection with the control unit.
In one possible implementation, the mounting bracket includes:
the first telescopic module is arranged on the supporting surface and can be telescopic along the vertical direction, and the first telescopic module is arranged on one side of the photovoltaic module along the first path;
the second telescopic module is arranged on the supporting surface and can be telescopic along the vertical direction, and the second telescopic module is arranged on the other side of the photovoltaic module along the first path; and
the mounting frame, respectively with first flexible module with the flexible end connection of the flexible module of second, the mounting frame encloses to be located outside the photovoltaic module.
The photovoltaic equipment monitoring system provided by the invention has the beneficial effects that: compared with the prior art, the photovoltaic equipment monitoring system respectively monitors the voltage and the electric quantity of the photovoltaic component, the hot spot fault of the photovoltaic component is monitored through the hot spot monitoring unit, the voltage monitoring unit, the electric quantity monitoring unit and the hot spot monitoring unit transmit the monitored data to the control unit, the control unit analyzes and compares the received data, and an early warning signal is generated when the voltage and the electric quantity of the photovoltaic component are abnormal or the hot spot fault occurs. The image acquisition unit is used for acquiring images of the photovoltaic assembly and the surrounding environment, corresponding images can be acquired in time when sundries fall into or are damaged on the photovoltaic assembly, corresponding data are sent to the control unit, and workers can acquire corresponding information and process the corresponding information at the first time. The photovoltaic module monitoring system can monitor the photovoltaic module in real time without manual inspection, saves human resources, avoids performing later maintenance after the photovoltaic module is stopped in a large range due to failure, can process the photovoltaic module at the initial stage of abnormity, and ensures the continuous operation of the photovoltaic module.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a top view of a photovoltaic device monitoring system according to a first embodiment of the present invention;
fig. 2 is a side view of a photovoltaic device monitoring system according to a first embodiment of the present invention;
FIG. 3 is a partial schematic view of a second drive mechanism employed in one embodiment of the present invention;
FIG. 4 is a schematic view of a cleaning robot according to a second embodiment of the present invention;
fig. 5 is a cross-sectional view of a cleaning module employed in a third embodiment of the present invention.
In the figure: 1. a photovoltaic module; 2. installing a frame; 3. a drive assembly; 301. a first drive mechanism; 3011. a first driver; 3012. a first screw; 3013. a first guide bar; 3014. a fixing plate; 302. a second drive mechanism; 3021. a second driver; 3022. a second screw; 3023. a second guide bar; 3024. a fixed block; 4. a temperature sensor; 5. a fan; 6. a cleaning robot; 601. a base; 602. a robotic arm module; 603. a cleaning module; 6031. mounting a shell; 6032. cleaning the belt; 6033. a butting block; 6034. an elastic member; 6035. a tension pulley; 6036. mounting blocks; 6037. a roller; 6038. a cleaning tank; 6039. a scraper.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present 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 merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and fig. 2, a photovoltaic device monitoring system according to the present invention will now be described. The photovoltaic equipment monitoring system comprises a voltage monitoring unit, a hot spot monitoring unit, an electric quantity monitoring unit, an image acquisition unit and a control unit, wherein the voltage monitoring unit is connected with the photovoltaic assembly 1 and is used for monitoring the voltage of the photovoltaic assembly 1; the hot spot monitoring unit is used for monitoring hot spot faults of the photovoltaic module 1; the electric quantity monitoring unit is connected with the photovoltaic module 1 and is used for monitoring the electric energy generation of the photovoltaic module 1; the image acquisition unit is used for acquiring images of the photovoltaic module 1 and the surrounding environment of the photovoltaic module 1; the control unit is respectively in communication connection with the voltage monitoring unit, the hot spot monitoring unit, the electric quantity monitoring unit and the image acquisition unit.
Compared with the prior art, the photovoltaic equipment monitoring system provided by the invention respectively monitors the voltage and the electric quantity of the photovoltaic component 1, monitors the hot spot fault of the photovoltaic component 1 through the hot spot monitoring unit, transmits the monitored data to the control unit through the voltage monitoring unit, the electric quantity monitoring unit and the hot spot monitoring unit, analyzes and compares the received data, and generates an early warning signal when the voltage and the electric quantity of the photovoltaic component 1 are abnormal or the hot spot fault occurs. The image acquisition unit is used for acquiring images of the photovoltaic assembly 1 and the surrounding environment, corresponding images can be acquired in time when sundries fall into or are damaged on the photovoltaic assembly 1, and corresponding data signals are sent to the control unit, so that workers can acquire and process corresponding information at the first time. The photovoltaic module 1 monitoring system can monitor the photovoltaic module 1 in real time without manual inspection, saves human resources, avoids performing later maintenance after the photovoltaic module 1 stops in a large range due to faults, can process the photovoltaic module 1 at the initial stage of abnormity, and ensures the continuous operation of the photovoltaic module 1.
It should be noted that the hot spot fault refers to that under a certain condition, the shaded photovoltaic cell modules in the serial branch circuit are used as loads to consume energy generated by other photovoltaic cell modules with illumination, and the shaded photovoltaic cell modules generate heat seriously at this time. The reason for causing hot spot failure is generally divided into two parts, on one hand, the defects of micro cracks, broken lines and the like exist on the surface of the battery due to manufacturing defects such as welding error; on the other hand, an important condition for causing hot spot failure is the presence of partial shadow masking. This shadow can be said to disappear in a short time due to, for example, the shading of an object such as a building, which is caused by the change in the incident angle of sunlight. However, the shading caused by fallen leaves, vegetation around photovoltaic panels, bird excrement, and the like is mostly long-term shading. In this case, heat is generated for a long time, which may cause damage to a large-area photovoltaic cell and even cause a fire.
Optionally, the voltage monitoring unit includes a voltage sensor, the electric quantity monitoring unit includes an electric quantity sensor, and the image acquisition unit includes a camera.
In some embodiments, referring to fig. 1 and 3, the hotspot monitoring unit comprises a temperature sensor 4, a mounting bracket and a driving assembly 3; the mounting frame is arranged around the outer side of the photovoltaic module 1; the driving assembly 3 is arranged on the mounting rack, the driving assembly 3 comprises a first driving mechanism 301 connected to the mounting rack and a second driving mechanism 302 connected to the first driving mechanism 301, the second driving mechanism 302 is connected with the temperature sensor 4, the first driving mechanism 301 controls the second driving mechanism 302 to move along a first path, the second driving mechanism 302 controls the temperature sensor 4 to move along a second path, and the first path is perpendicular to the second path.
The first driving mechanism 301 controls the second driving mechanism 302 to move along the first path, and the second driving mechanism 302 controls the temperature sensor 4 to move along the second path, so that the temperature sensor 4 can move along the first path and the second path. The scheme in this embodiment can control the temperature sensor 4 to move freely, thereby monitoring the temperature of the photovoltaic module 1 comprehensively. When the temperature of the photovoltaic module 1 is abnormal, the data can be sent to the control unit at the first time so that a worker can process the data.
Optionally, the first driving mechanism 301 and the second driving mechanism 302 are both air cylinders or hydraulic cylinders.
In some embodiments, the photovoltaic device monitoring system further includes a positioning unit disposed on the photovoltaic module 1, and a cleaning unit in communication with the image acquisition unit and the control unit, respectively, the positioning unit is in communication with the control unit and the cleaning unit, respectively, and the cleaning unit includes a sweeping assembly disposed on the second driving mechanism 302.
The positioning unit positions the photovoltaic assembly 1, the image acquisition unit generates a cleaning signal when monitoring that sundries fall on the photovoltaic assembly 1 or dust is accumulated on the surface of the photovoltaic assembly 1, and the control unit controls the corresponding cleaning assembly to clean the photovoltaic assembly 1 according to the cleaning signal and the positioning information provided by the positioning unit. The normal operation of the photovoltaic module 1 is prevented from being influenced by sundries or dust, and the hot spot fault of the photovoltaic module 1 is also prevented. The sweeping assembly can move along the first path and the second path under the action of the first driving mechanism 301 and the second driving mechanism 302 so as to accurately remove the impurities or the dust on the photovoltaic assembly 1.
In some embodiments, referring to fig. 3, the sweeping assembly includes a blower 5 disposed on the second driving mechanism 302, and the blower 5 is used for blowing air to the light-facing surface of the photovoltaic assembly 1.
The fan 5 blows air to the light facing surface of the photovoltaic module 1, so that sundries and dust on the light facing surface of the photovoltaic module 1 are removed, and the influence on the normal work of the photovoltaic module 1 is avoided. The scheme in the embodiment does not need to be in direct contact with the photovoltaic module 1, the photovoltaic module 1 is prevented from being scratched or abraded, and the service life of the photovoltaic module 1 is prolonged.
Optionally, the fan 5 may be connected to an external power source, a battery may be disposed in the fan 5 for supplying power, the fan 5 may be electrically connected to the photovoltaic module 1, and the fan 5 is supplied with power by electric energy generated by the photovoltaic module 1.
In some embodiments, referring to fig. 4, the cleaning unit further includes a cleaning robot 6 disposed between the plurality of groups of photovoltaic modules 1, the cleaning robot 6 is respectively connected to the image acquisition unit and the control unit in a communication manner, and the cleaning robot 6 is configured to perform friction cleaning on the surface of the photovoltaic modules 1.
The cleaning assembly can clean dust scattered or accumulated on the photovoltaic assembly 1, but stains adhered on the photovoltaic assembly 1 cannot be cleaned, the photoelectric conversion effect of the photovoltaic assembly 1 is easily influenced by long-term adhesion on the photovoltaic assembly 1, and even hot spots are generated to influence the service life of the photovoltaic assembly 1. When the image acquisition unit monitors that stains appear on the photovoltaic module 1, a cleaning signal is generated, the control unit controls the cleaning robot 6 to move to the photovoltaic module 1 according to the cleaning signal and the positioning information of the positioning unit, the surface of the photovoltaic module 1 is cleaned, and the stains on the photovoltaic module 1 are cleaned. The scheme in this embodiment need not artifical the tour, has also reduced the amount of labour that the recognition clearance produced, accomplishes photovoltaic module 1's cleanness automatically through cleaning machines people 6, has improved clean efficiency.
In some embodiments, referring to fig. 4, the cleaning robot 6 includes a base 601, a walking module, a robot arm module 602, and a cleaning module; the walking module is arranged in the base 601 and is controlled by the base 601 to move; the robot module 602 is connected to the base 601, and the robot module 602 can rotate around a first axis, which is perpendicular to the up-down direction; the cleaning module is connected to the robot arm module 602, and the cleaning module is used for cleaning the photovoltaic assembly 1.
The walking module controls the base 601 to move, so that the base 601 moves to the corresponding photovoltaic assembly 1, the mechanical arm module 602 controls the cleaning module to move to contact with the surface of the photovoltaic assembly 1, and then the cleaning module applies friction force to the photovoltaic assembly 1 to clean the photovoltaic assembly.
Specifically, the walking module comprises walking wheels and a driving device connected with the walking wheels, and the driving device controls the walking wheels to rotate.
As a specific embodiment of the mechanical arm module 602, please refer to fig. 4, the mechanical arm module 602 includes a first mechanical arm and a second mechanical arm that are rotatably connected, the first mechanical arm is connected to the base 601 through a first rotating shaft, the second mechanical arm is connected to the cleaning module through a second rotating shaft, a first driving device is disposed in the first mechanical arm, the first driving device controls the first mechanical arm to rotate around the first rotating shaft, a second driving device is disposed in the second mechanical arm, the second driving device controls the second mechanical arm to rotate around the second rotating shaft, a third driving device is further disposed in the second mechanical arm, and the third driving device controls the cleaning module to rotate.
In this embodiment, the first driving device and the second driving device can control the first mechanical arm and the second mechanical arm to rotate, so that the position of the cleaning module is adjusted, and the cleaning module corresponds to the photovoltaic module 1 vertically. Then, the cleaning assembly is controlled to rotate to be attached to the photovoltaic assembly 1 through third driving equipment, so that the photovoltaic assembly 1 is cleaned.
It should be noted that the robot module 602 may also be another existing robot structure to enable free rotation of the robot, and the specific structure of the robot module 602 is not the invention of the present application, and the above embodiment is only a specific implementation and is not limited to the structure of the robot module 602 in the present application.
As one specific embodiment of the cleaning module, please refer to fig. 5, the cleaning module includes a mounting housing 6031, a roller mechanism and a cleaning belt 6032, the mounting housing 6031 has a mounting cavity with an opening at one end, and the mounting housing 6031 is connected to the robot module 602; the roller mechanism comprises a plurality of rollers 6037 which rotate around the second axis and are arranged in the mounting cavity; the cleaning belt 6032 is wound outside the roller 6037 mechanism and is used for contacting the photovoltaic module 1.
The mechanical arm module 602 controls the cleaning belt 6032 to contact with the photovoltaic module 1, controls the mounting shell 6031 to move, and cleans the photovoltaic module 1 through the friction force between the cleaning belt 6032 and the photovoltaic module 1. During cleaning, the friction between the cleaning belt 6032 and the photovoltaic module 1 moves the cleaning belt 6032 and drives the roller 6037 to rotate, so that different cleaning surfaces on the cleaning belt 6032 clean the photovoltaic module 1.
Specifically, the cleaning tape 6032 is a flexible member, such as a sponge, a cleaning cloth, or the like, that avoids abrasion or scratching of the surface of the photovoltaic module 1.
Specifically, one surface of the cleaning belt 6032 contacting the photovoltaic module 1 protrudes out of the installation cavity.
It should be noted that, in the scheme of this embodiment, dust and impurities on the surface of the photovoltaic module are blown off by the blower first, and then the surface of the photovoltaic module 1 is cleaned by the cleaning belt 6032, so that the surface of the photovoltaic module 1 is prevented from being worn by the dust on the photovoltaic module 1 in the cleaning process.
As another specific embodiment of the cleaning module, please refer to fig. 5, the cleaning module further includes a tensioning mechanism disposed in the mounting cavity, the tensioning mechanism includes a tensioning wheel 6035 rotatably disposed in the mounting cavity, an axis of the tensioning wheel 6035 is parallel to an axis of the roller 6037, and the tensioning wheel 6035 abuts against the cleaning belt 6032 to tension the cleaning belt 6032.
If when the cleaning belt 6032 is not hard up, can't produce sufficient frictional force with photovoltaic module 1 when removing and wash the dirt on photovoltaic module 1 surface, take-up pulley 6035 can make cleaning belt 6032 keep the tensioning state to increase with photovoltaic module 1's frictional force and contact surface, ensure effectively to wash photovoltaic module 1, improve cleaning efficiency.
As an embodiment of the tensioning mechanism, referring to fig. 5, the tensioning wheel 6035 is rotatably connected to the mounting cavity through a connecting shaft, a sliding groove is formed in the mounting cavity, the connecting shaft is slidably disposed in the sliding groove, and the tensioning mechanism further includes a pushing mechanism disposed in the mounting cavity, the pushing mechanism is configured to slide the tensioning wheel 6035 in the sliding groove, so that the cleaning belt 6032 is kept in a tensioned state.
The cleaning belt 6032 is easy to loosen in the long-term use process, so that the cleaning effect on the photovoltaic module 1 is influenced, the common mode needs to be reinstalled after the tension pulley 6035 is disassembled, and the position of the tension pulley 6035 is changed to ensure that the cleaning belt 6032 keeps a tensioning state. In this embodiment, the pushing mechanism slides the connecting shaft in the sliding groove, so that the tensioning wheel 6035 is always abutted to the cleaning belt 6032, the cleaning belt 6032 is in a tensioning state, the tensioning wheel 6035 does not need to be disassembled, the adjusting process is simplified, and the cleaning efficiency is improved.
Optionally, the pushing mechanism includes an installation block 6036, a butting block 6033, and an elastic member 6034, the installation block 6036 is disposed in the installation cavity, and the installation block 6036 is provided with an accommodation groove; the abutting block 6033 is arranged in the accommodating groove in a sliding manner along the third path; the elastic member 6034 is disposed in the accommodating groove, and the elastic member 6034 is configured with a pre-tightening force for abutting the abutting block 6033 with the tensioning wheel 6035.
The elastic member 6034 keeps the abutting block 6033 and the tension pulley 6035 in the abutting state all the time, and when the cleaning belt 6032 is not flexible, the abutting block 6033 exerts thrust on the tension pulley 6035 under the action of the elastic member 6034, so that the connecting shaft slides in the sliding groove, thereby abutting the tension pulley 6035 and the cleaning belt 6032 and ensuring that the cleaning belt 6032 is in the tension state all the time. Simple structure in this embodiment need not to use drive arrangement, has reduced the weight and the manufacturing cost who washs the subassembly, can in time adjust when not hard up appear in the cleaning tape 6032 moreover, ensures effectively to wash photovoltaic module 1.
Optionally, a scraper 6039 is further disposed in the mounting cavity, and the scraper 6039 abuts against an end of the cleaning tape 6032 away from the opening of the mounting cavity, so as to scrape off dirt on the cleaning tape 6032 when the cleaning tape 6032 is cleaned.
Optionally, the mounting case 6031 is further provided with a cleaning box 6038 with one end inserted into the mounting cavity, and the cleaning box 6038 is used for spraying cleaning liquid onto the cleaning belt 6032.
In some embodiments, referring to fig. 1, the first driving mechanism 301 includes a first driver 3011, a first screw 3012, a first guide bar 3013, and a fixing plate 3014, the first driver 3011 is disposed on the mounting frame; the first screw 3012 is connected to the first driver 3011 and the mounting rack respectively, and the axis of the first screw 3012 is parallel to the first path; the first guide rod 3013 is connected to the mounting frame, and the axis of the first guide rod 3013 is parallel to the axis of the first screw 3012; the fixing plate 3014 is in threaded connection with the first screw 3012 and slidably penetrates the first guide rod 3013 along the first path.
The first driver 3011 controls the first screw 3012 to rotate, and the fixing plate 3014 cannot rotate under the action of the first guide rod 3013, and thus moves along the first path along with the rotation of the first screw 3012. By converting the rotational motion into the linear motion, the moving path of the fixing plate 3014 can be precisely controlled, and thus the photovoltaic module 1 can be accurately and effectively monitored.
Specifically, a bearing is provided on the mounting bracket, and the first screw 3012 is connected to the bearing.
In some embodiments, referring to fig. 1, the second driving mechanism 302 includes a second driver 3021, a second screw 3022, a second guide rod 3023, and a fixed block 3024, the second driver 3021 is disposed on the fixed plate 3014; the second screw 3022 is connected to the second driver 3021 and the fixing plate 3014, respectively, and the axis of the second screw 3022 is parallel to the second path; a second guide rod 3023 is connected to the fixing plate 3014, and the axis of the second guide rod 3023 is parallel to the axis of the second screw rod 3022; the fixed block 3024 is slidably connected to the fixing plate 3014 along a second path, the fixed block 3024 is in threaded connection with the second screw 3022 and slidably disposed through the second guide rod 3023 along the second path, and the temperature sensor 4 is disposed on the fixed block 3024.
The second driver 3021 controls the second screw 3022 to rotate, and the second guide rod 3023 limits the fixed block 3024, so that the fixed block 3024 moves along the second path with the rotation of the second screw 3022. By converting the rotational motion into the linear motion, the moving path of the fixing plate 3014 can be precisely controlled, and thus the photovoltaic module 1 can be accurately and effectively monitored.
Specifically, the fixing plate 3014 is provided with a bearing, and the second screw 3022 is connected to the bearing.
In some embodiments, the hot spot monitoring unit further comprises a thermal imaging camera disposed on the fixed block 3024, and the thermal imaging camera is communicatively connected to the control unit.
The thermal imager is also called as an infrared thermal imager, and an infrared detector and an optical imaging objective lens are utilized to receive an infrared radiation energy distribution pattern of a detected object and reflect the infrared radiation energy distribution pattern onto a photosensitive element of the infrared detector, so that an infrared thermal image is obtained. And acquiring an infrared thermography of the surface of the photovoltaic cell by using a thermal imager so as to determine whether hot spot faults exist on the surface of the photovoltaic module 1. The scheme in this embodiment can control thermal imager to move above photovoltaic module 1 through first actuating mechanism 301 and second actuating mechanism 302, need not artifical handheld thermal imager to inspect, has reduced the amount of labour.
Optionally, the hot spot monitoring unit further comprises a timer in communication connection with the control unit. The timer sets a certain time period, when the first preset time is reached, the timer generates a starting signal, the control unit controls the first driving mechanism 301 and the second driving mechanism 302 to start according to the starting signal, and controls the thermal imager to start at the same time, so that the thermal imager monitors the photovoltaic module 1. When the second preset time is reached, the timer generates a closing signal, and the control unit controls the first driving mechanism 301, the second driving mechanism 302 and the thermal imager to be closed according to the closing signal.
It should be noted that the first preset time and the second preset time may be set, the first preset time may be multiple, the photovoltaic module 1 is monitored in different time periods, and the second preset time is set according to the first preset time, so that an area between the second preset time and the first preset time satisfies that the thermal imager completely monitors the surface of the photovoltaic module 1.
In some embodiments, referring to fig. 1, the mounting frame includes a first telescopic module, a second telescopic module and a mounting frame 2, the first telescopic module can be telescopic along an up-down direction, and the first telescopic module is disposed on one side of the photovoltaic module 1 along a first path; the second telescopic module can be telescopic along the up-down direction and is arranged on the other side of the photovoltaic module 1 along the first path; installing frame 2 rotates with the flexible module of first flexible module and second respectively and is connected, and installing frame 2 is flexible along first route, and installing frame 2 encloses to be located outside photovoltaic module 1.
Optionally, the first telescopic module includes two first telescopic links that are parallel to each other, and the second telescopic module includes two second telescopic links that are parallel to each other.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. Photovoltaic equipment monitoring system, its characterized in that includes:
the voltage monitoring unit is connected with the photovoltaic module and used for monitoring the voltage of the photovoltaic module;
the hot spot monitoring unit is used for monitoring hot spot faults of the photovoltaic module;
the electric quantity monitoring unit is connected with the photovoltaic module and used for monitoring the electric energy generation of the photovoltaic module;
the image acquisition unit is used for acquiring images of the photovoltaic module and the environment around the photovoltaic module; and
and the control unit is in communication connection with the voltage monitoring unit, the hot spot monitoring unit, the electric quantity monitoring unit and the image acquisition unit respectively.
2. The photovoltaic device monitoring system of claim 1, wherein the hot spot monitoring unit comprises:
a temperature sensor;
the mounting frame is arranged around the outer side of the photovoltaic module; and
drive assembly locates the mounting bracket, drive assembly including connect in the first actuating mechanism of mounting bracket, and connect in first actuating mechanism's second actuating mechanism, second actuating mechanism with temperature sensor connects, first actuating mechanism control second actuating mechanism moves along first route, second actuating mechanism control temperature sensor moves along the second route, first route perpendicular to the second route.
3. The photovoltaic device monitoring system according to claim 2, further comprising a positioning unit disposed on the photovoltaic module, and a cleaning unit communicatively connected to the image acquisition unit and the control unit, respectively, wherein the positioning unit is communicatively connected to the control unit and the cleaning unit, respectively, and the cleaning unit includes a cleaning assembly disposed on the second driving mechanism.
4. The photovoltaic device monitoring system of claim 3, wherein the sweeping assembly comprises a blower disposed on the second drive mechanism, the blower configured to blow air against the light-facing surface of the photovoltaic assembly.
5. The photovoltaic device monitoring system according to claim 3, wherein the cleaning unit further comprises a cleaning robot movably disposed between the plurality of groups of photovoltaic modules, the cleaning robot is respectively in communication with the image acquisition unit and the control unit, and the cleaning robot is used for cleaning the surfaces of the photovoltaic modules.
6. The photovoltaic device monitoring system of claim 5, wherein the cleaning robot comprises:
a base;
the walking module is arranged in the base and is used for controlling the base to move;
the mechanical arm module is connected to the base and can rotate around a first axis, and the first axis is vertical to the up-down direction; and
the cleaning module is connected to the mechanical arm module and used for cleaning the photovoltaic assembly.
7. The photovoltaic device monitoring system of claim 2, wherein the first drive mechanism comprises:
the first driver is arranged on the mounting rack;
a first screw connected to the first driver and the mounting bracket, respectively, an axis of the first screw being parallel to the first path;
the first guide rod is connected with the mounting rack, and the axis of the first guide rod is parallel to the axis of the first screw rod; and
and the fixing plate is in threaded connection with the first screw rod and penetrates through the first guide rod along the first path in a sliding manner.
8. The photovoltaic device monitoring system of claim 7, wherein the second drive mechanism comprises:
the second driver is arranged on the fixing plate;
a second screw rod respectively connected to the second driver and the fixing plate, wherein an axis of the second screw rod is parallel to the second path;
the second guide rod is connected with the fixed plate, and the axis of the second guide rod is parallel to the axis of the second screw rod; and
the fixed block is connected to the fixed plate in a sliding mode along the second path, is in threaded connection with the second screw rod and penetrates through the second guide rod in a sliding mode along the second path, and the temperature sensor is arranged on the fixed block.
9. The photovoltaic device monitoring system according to claim 8, wherein the hot spot monitoring unit further comprises a thermal imager disposed on the fixed block, the thermal imager being in communication with the control unit.
10. The photovoltaic device monitoring system of claim 2, wherein the mounting bracket comprises:
the first telescopic module is arranged on the supporting surface and can be telescopic along the vertical direction, and the first telescopic module is arranged on one side of the photovoltaic module along the first path;
the second telescopic module is arranged on the supporting surface and can be telescopic along the vertical direction, and the second telescopic module is arranged on the other side of the photovoltaic module along the first path; and
the mounting frame, respectively with first flexible module with the flexible end connection of the flexible module of second, the mounting frame encloses to be located outside the photovoltaic module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211295022.6A CN115765624B (en) | 2022-10-21 | 2022-10-21 | Photovoltaic equipment monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211295022.6A CN115765624B (en) | 2022-10-21 | 2022-10-21 | Photovoltaic equipment monitoring system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115765624A true CN115765624A (en) | 2023-03-07 |
| CN115765624B CN115765624B (en) | 2024-05-28 |
Family
ID=85354063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211295022.6A Active CN115765624B (en) | 2022-10-21 | 2022-10-21 | Photovoltaic equipment monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115765624B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104646340A (en) * | 2015-03-09 | 2015-05-27 | 武汉理工大学 | Self-detecting cleaning device for photovoltaic array |
| CN107733365A (en) * | 2017-11-15 | 2018-02-23 | 青海黄河上游水电开发有限责任公司光伏产业技术分公司 | The EL automatic testing equipments and system of a kind of photovoltaic module |
| CN107947724A (en) * | 2017-11-28 | 2018-04-20 | 北京上恩科技有限公司 | Photovoltaic power station automatic cleaning and monitoring system |
| JP2018098941A (en) * | 2016-12-14 | 2018-06-21 | 株式会社Ｎｔｔドコモ | Monitoring control device |
| CN110061691A (en) * | 2019-05-27 | 2019-07-26 | 南京工业大学 | A kind of solar panels bulky grain automatic dust removing system and method based on clean water circulation |
-
2022
- 2022-10-21 CN CN202211295022.6A patent/CN115765624B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104646340A (en) * | 2015-03-09 | 2015-05-27 | 武汉理工大学 | Self-detecting cleaning device for photovoltaic array |
| JP2018098941A (en) * | 2016-12-14 | 2018-06-21 | 株式会社Ｎｔｔドコモ | Monitoring control device |
| CN107733365A (en) * | 2017-11-15 | 2018-02-23 | 青海黄河上游水电开发有限责任公司光伏产业技术分公司 | The EL automatic testing equipments and system of a kind of photovoltaic module |
| CN107947724A (en) * | 2017-11-28 | 2018-04-20 | 北京上恩科技有限公司 | Photovoltaic power station automatic cleaning and monitoring system |
| CN110061691A (en) * | 2019-05-27 | 2019-07-26 | 南京工业大学 | A kind of solar panels bulky grain automatic dust removing system and method based on clean water circulation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115765624B (en) | 2024-05-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6355852B2 (en) | Solar panel cleaning device | |
| WO2018010508A1 (en) | Cleaning device and photovoltaic array | |
| KR102313508B1 (en) | Operation And Maintenance System of Solar Panel Power Plant Through IoT-based Smart Sensor | |
| KR101234054B1 (en) | Apparatus for cleaning and coling solar panel | |
| KR101213146B1 (en) | Clean and remote control system of solar photovoltaic module for improving generation efficiency | |
| CN103406292A (en) | Photovoltaic module cleaning robot | |
| KR102313507B1 (en) | Auto Cleaning Apparatus And Method Of Operation And Maintenance System of Solar Panel Power Plant Through IoT-based Smart Sensor | |
| KR101902810B1 (en) | Photovoltaic street lamp with wind power generator installed | |
| KR102031730B1 (en) | Fault section monitoring and alarm apparatus of underground distribution line | |
| CN114669569B (en) | Big data-based automatic cleaning system for photovoltaic module | |
| CN109494620A (en) | A kind of overhead transmission line Work robot | |
| CN114705946A (en) | Detection device for maintaining distribution circuit | |
| CN115765624A (en) | Photovoltaic equipment monitoring system | |
| CN115242186A (en) | Photovoltaic panel system with clean function | |
| KR20200010728A (en) | Moving device for washing apparatus of solar photovoltaic module | |
| KR102236692B1 (en) | Moving Type Cleaning Apparatus for Solar Module Panel using Nano Bubble Water | |
| CN117118346A (en) | Cleaning system and cleaning realization method for photovoltaic module | |
| CN211027224U (en) | Photovoltaic module hidden crack detection cleaning robot | |
| CN210730250U (en) | Distribution lines cleaning device | |
| CN212703181U (en) | Automatic dust collector of solar energy surveillance camera head | |
| CN211089738U (en) | Novel camera for security protection | |
| CN213746644U (en) | Automatic tracking type searchlight | |
| CN221258490U (en) | Monitoring device of photovoltaic power station | |
| CN218866509U (en) | Be applied to lawn environment recognition device of robot that mows | |
| CN113649321B (en) | Photovoltaic board intelligence cleaning device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |