CN114257164B - Flexible photovoltaic system and method for monitoring tension of flexible part - Google Patents
Flexible photovoltaic system and method for monitoring tension of flexible part Download PDFInfo
- Publication number
- CN114257164B CN114257164B CN202111406234.2A CN202111406234A CN114257164B CN 114257164 B CN114257164 B CN 114257164B CN 202111406234 A CN202111406234 A CN 202111406234A CN 114257164 B CN114257164 B CN 114257164B
- Authority
- CN
- China
- Prior art keywords
- flexible
- tension
- flexible photovoltaic
- photovoltaic system
- processor
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000012544 monitoring process Methods 0.000 title claims abstract description 15
- 238000012545 processing Methods 0.000 claims abstract description 19
- 238000004891 communication Methods 0.000 claims abstract description 16
- 238000012806 monitoring device Methods 0.000 claims abstract description 15
- 230000000712 assembly Effects 0.000 claims description 13
- 238000000429 assembly Methods 0.000 claims description 13
- 238000013500 data storage Methods 0.000 claims description 5
- 238000010248 power generation Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 12
- 238000004590 computer program Methods 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 230000006870 function Effects 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/10—Supporting structures directly fixed to the ground
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/04—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands
-
- 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
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a flexible photovoltaic system and a flexible tension monitoring method, and relates to the technical field of photovoltaic supports. The flexible photovoltaic system includes: the photovoltaic system comprises a plurality of flexible photovoltaic units and a large-span support, wherein the flexible photovoltaic units are sequentially fixed on the large-span support. The plurality of flexible photovoltaic units includes, at least two flexible members. The flexible photovoltaic system further comprises a flexible piece tension monitoring device, the flexible piece tension monitoring device comprises a plurality of tension sensors and a processor, the flexible piece is connected with at least one tension sensor, and the tension sensors are connected with the processor. The processor includes: the device comprises a driving module, an operation and logic processing module and a communication module. According to the invention, the flexible part tension monitoring device is arranged to effectively avoid potential safety hazards such as deformation, collapse or falling of the flexible photovoltaic system.
Description
Technical Field
The invention relates to the technical field of photovoltaic supports, in particular to a flexible photovoltaic system and a flexible tension monitoring method.
Background
The large-span flexible photovoltaic support comprises a large-span support and a flexible photovoltaic unit.
With the continuous development of large-scale ground photovoltaic power generation projects, the photovoltaic power generation method is more and more applied to hilly lands, marshland, water treatment plants and the like. Because the limitation of the scene topography of the small-span densely-distributed column purlin-shaped photovoltaic support cannot be met, the large-span flexible photovoltaic support is more and more widely used. The flexible photovoltaic support with the large span introduces the flexible piece as a main supporting piece, so that the span of the support is enlarged by 5-10 times, the total manufacturing cost is reduced, and the photovoltaic installation scene is wider.
Because the flexible photovoltaic support of big span needs to exert prestressing force to the flexible piece in the installation, still because the wind and snow load of photovoltaic module can produce great horizontal pulling force to the flexible piece in the application process, can lead to the flexible photovoltaic support of big span safety accidents such as crossbeam deformation, stand collapse. At present, the tension of a flexible part of a large-span flexible photovoltaic support lacks of an effective monitoring device and method, so that the safety condition of the support structure is difficult to master, and great difficulty is brought to operation and maintenance.
Disclosure of Invention
In view of the above, the present invention has been developed to provide a flexible photovoltaic system and a method of flexible tension monitoring that overcome, or at least partially address, the above-mentioned problems.
The present invention provides a flexible photovoltaic system comprising: the photovoltaic system comprises a plurality of flexible photovoltaic units and a large-span support, wherein the flexible photovoltaic units are sequentially fixed on the large-span support;
the plurality of flexible photovoltaic units comprise at least two flexible pieces, the flexible pieces penetrate through the flexible photovoltaic units, and the at least two flexible pieces are sequentially arranged along the width direction of the flexible photovoltaic units;
the flexible photovoltaic system further comprises a flexible piece tension monitoring device, the flexible piece tension monitoring device comprises a plurality of tension sensors and a processor, and the tension sensors are used for sending tension signals; the flexible part is connected with at least one tension sensor, and the tension sensor is connected with the processor;
the processor comprises a plurality of processors and a plurality of data processors,
the driving module is used for receiving the tension signal;
the operation and logic processing module is used for determining a tension value borne by the flexible part according to the tension signal; judging whether the tension value exceeds a preset tension value variation range or not; if the tension value exceeds the variation range of the tension value, sending an alarm signal; if the tension value does not exceed the variation range of the tension value, continuously receiving the tension signal;
and the communication module is used for receiving the alarm signal and giving an alarm.
Preferably, the large-span support comprises at least two fixing assemblies, one end of the flexible photovoltaic unit is fixedly connected with at least one fixing assembly, the other end of the flexible photovoltaic unit is fixedly connected with at least one fixing assembly, and the at least two fixing assemblies are sequentially arranged along the length direction of the flexible photovoltaic unit.
Preferably, the processor further comprises,
and the data storage module is used for storing the set variation range of the tension value.
Preferably, the fixing assembly comprises a cross beam and at least two upright posts, one end of each upright post is vertically connected with the cross beam, and the at least two upright posts are uniformly arranged along the cross beam; the stand with crossbeam hookup location is provided with the suspension cable, and ground anchor pile is provided with on ground, the stand pass through the suspension cable with ground anchor pile is connected.
Preferably, both ends of the flexible member are respectively provided with at least one fixing anchor, the fixing anchors are fixed with the large-span support, and the flexible member is fixed on the large-span support through the fixing anchors.
Preferably, the tension sensor is located between the fixed anchors provided at both ends of the flexible member and adjacent to the fixed anchors.
Preferably, a through hole is axially formed along the fixing anchor, and the flexible member is arranged in the through hole in a penetrating manner.
Preferably, the flexible photovoltaic unit is obliquely fixed on the large-span support, at least one flexible member is fixed on the upper surface of the cross beam, and at least one flexible member is fixed on the lower surface of the cross beam.
The invention provides a method for monitoring the tension of a flexible part, which is applied to any processor, wherein a tension sensor sends a tension signal, the method comprises the following steps,
receiving the tension signal;
determining a tension value born by a flexible piece in the flexible photovoltaic system according to the tension signal;
judging whether the pulling force value exceeds the range of variation of the pulling force value;
if the tension value exceeds the variation range of the tension value, sending an alarm signal;
and if the tension value does not exceed the variation range of the tension value, continuously receiving the tension signal.
Preferably, the step of receiving the tension signal includes setting a range of variation of the tension value.
In the scheme of the flexible photovoltaic system, the flexible photovoltaic units are sequentially and uniformly fixed on the large-span support to form the truss, the truss is placed according to the requirements of each region, and the trusses are arranged in parallel to form the space support. The flexible photovoltaic unit comprises at least two flexible parts and a plurality of photovoltaic components, the two flexible parts are respectively arranged at two wide ends of the flexible photovoltaic unit, and the plurality of photovoltaic components are uniformly fixed along the two flexible parts in sequence to form the flexible photovoltaic unit. A plurality of flexible photovoltaic units are fixed on the large-span support in sequence, so that a photovoltaic module array is formed. And a plurality of tension sensors are arranged on the flexible photovoltaic system. The flexible member tension monitoring device comprises a plurality of tension sensors and a processor. And the plurality of tension sensors are connected with the processor. The processor is used for monitoring the tensile force value borne by the flexible piece in real time. Each tension sensor is used for transmitting a tension signal of each flexible part in real time.
The variation range of the tension value is preset, all tension sensors on the flexible photovoltaic support transmit tension signals to the processor, the driving module of the processor receives the tension signals respectively, the tension signals are transmitted to the operation and logic processing module to be analyzed and judged, and then the control operation of the next step is determined. And if the actually measured tension value is not within the variation range of the tension value, sending an alarm signal, and transmitting the alarm signal to the communication module through the data line. The communication module sends an alarm in a wireless or wired communication mode to remind operation and maintenance personnel that the corresponding flexible part bears abnormal tensile force, so that potential safety hazards of deformation, collapse or falling of components of the flexible photovoltaic system and the like of the flexible photovoltaic system are avoided.
The weight of the photovoltaic module, the own weight of the flexible member and the pretensioning force of the flexible member form an internal static prestress in the flexible member. When wind load is applied to the surface of the photovoltaic module, the photovoltaic module transmits the borne pressure to the flexible piece, so that additional dynamic tensile stress is generated inside the flexible piece. The first row of photovoltaic modules close to the south most side and the first row of photovoltaic modules close to the north most side in the flexible photovoltaic system are subjected to the largest wind load. Moreover, the closer to the outermost flexors of the south and north sides, the greater the dynamic tensile stress. The flexible photovoltaic system has potential safety hazards such as deformation and collapse. A tension sensor and a processor arranged on the flexible part form a flexible part tension monitoring device, and the tension value borne by the flexible part is monitored in real time. When the pulling force value exceeds the pulling force value variation range, the processor sends out early warning so that the operation and maintenance personnel can carry out corresponding handling processing.
According to the method for monitoring the flexible tension, the tension sensor sends the tension signal, the processor receives the tension signal, the tension value borne by the flexible part is determined through calculation and processing, the control operation of the processor is determined according to the obtained tension value, when the tension value exceeds the variation range of the tension value, the processor sends an alarm signal, the alarm signal is sent to the communication module, the communication module sends out an alarm, operation and maintenance personnel carry out processing operation according to the alarm, and the potential safety hazards of deformation, collapse or system component falling and the like existing in the flexible photovoltaic system when bearing wind load are effectively avoided.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings.
In the drawings:
fig. 1 is a block diagram of a flexible photovoltaic system according to an embodiment of the present invention;
FIG. 2 is a block diagram of a portion of a flexible photovoltaic system provided by an embodiment of the present invention;
FIG. 3 is a block diagram of a retaining anchor secured to a beam in accordance with an embodiment of the present invention;
FIG. 4 is a diagram of a device for monitoring tension of a flexible member according to an embodiment of the present invention;
FIG. 5 is a flowchart illustrating steps of a method for monitoring a tension of a flexible member according to an embodiment of the present invention.
Description of the drawings:
1. a flexible photovoltaic unit; 12. a flexible member; 13. securing the anchor; 131. a through hole; 14. a tension sensor; 2. a large span support; 21. a fixing assembly; 211. a cross beam; 212. a column; 213. a stay cable; 214. anchor piles; 3. a processor; 31. a drive module; 32. an operation and logic processing module; 33. a communication module; 34. a data storage module; 35. a digital filtering module; 36. a power supply module; 4. flexible member pulling force monitoring devices.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
Referring to fig. 1 to 4, a flexible photovoltaic system provided by the present invention is shown to include: the photovoltaic system comprises a plurality of flexible photovoltaic units 1 and a large-span support 2, wherein the flexible photovoltaic units 1 are sequentially fixed on the large-span support 2;
the plurality of flexible photovoltaic units 1 comprise at least two flexible parts 12, the flexible parts 12 penetrate through the flexible photovoltaic units 1, and the at least two flexible parts 12 are sequentially arranged along the width direction of the flexible photovoltaic units 1;
the flexible photovoltaic system further comprises a flexible piece tension monitoring device 4, the flexible piece tension monitoring device 4 comprises a plurality of tension sensors 14 and a processor 3, and the tension sensors 14 are used for sending tension signals; the flexible part 12 is connected with at least one tension sensor 14, and the tension sensor 14 is connected with the processor 3;
the processor 3 is comprised of a processor which,
the driving module 31 is used for receiving the tension signal;
the operation and logic processing module 32 is configured to determine a tensile force value borne by the flexible member 12 according to the tensile force signal; judging whether the tension value exceeds a preset tension value variation range or not; if the tension value exceeds the variation range of the tension value, sending an alarm signal; if the tension value does not exceed the variation range of the tension value, continuously receiving the tension signal;
and a communication module 33 for receiving the alarm signal and sending an alarm.
In one embodiment of the invention, a plurality of flexible photovoltaic units 1 are sequentially and uniformly fixed on a large-span support 2 to form trusses, the trusses are placed according to the requirements of various regions, and a plurality of trusses are arranged in parallel to form a space support. The flexible photovoltaic unit 1 comprises at least two flexible parts 12 and a plurality of photovoltaic components, the flexible photovoltaic unit 1 adopts the two flexible parts 12, the two flexible parts 12 are respectively arranged at the two wide ends of the flexible photovoltaic unit 1, and the plurality of photovoltaic components are sequentially and uniformly fixed along the two flexible parts 12 to form the flexible photovoltaic unit 1. A plurality of flexible photovoltaic units 1 are fixed on the large-span support 2 in sequence, so that a photovoltaic module array is formed. A plurality of tension sensors 14 are arranged on the flexible photovoltaic system. The flexible member tension monitoring device 4 comprises a plurality of tension sensors 14 and a processor 3. A plurality of tension sensors 14 are connected to the processor 3. Wherein, the processor 3 is used for monitoring the tensile force value born by the flexible part 12 in real time. Each tension sensor 14 is used to transmit a tension signal for each flexible member 12 in real time.
The variation range of the tension value is preset, all the tension sensors 14 on the flexible photovoltaic support transmit tension signals to the processor 3, the driving module 31 of the processor 3 receives the tension signals respectively, the tension signals are transmitted to the operation and logic processing module 32, analysis and judgment are carried out, and then the control operation of the next step is determined. If the actually measured pulling force value is not within the range of the pulling force value, an alarm signal is sent out, and the alarm signal is transmitted to the communication module 33 through the data line. The communication module sends an alarm in a wireless or wired communication mode to remind operation and maintenance personnel that the corresponding flexible part bears abnormal tension. The potential safety hazards that the flexible photovoltaic system deforms, collapses or parts of the flexible photovoltaic system fall off and the like are avoided. The communication lines and data lines used in the present invention are only examples and should not be construed as limiting the signal transmission.
The weight of the photovoltaic module, the own weight of the flexible member 12 and the pretensioning force of the flexible member 12 create an internal static prestress in the flexible member 12. When a wind load is applied to the surface of the photovoltaic module, the photovoltaic module transmits the pressure to the flexible member 12, so that an additional dynamic tensile stress is generated inside the flexible member 12. The first row of photovoltaic modules close to the south most side and the first row of photovoltaic modules close to the north most side in the flexible photovoltaic system are subjected to the largest wind load. Moreover, the closer to the outermost south and north flexible members 12, the greater the dynamic tensile stress. The flexible photovoltaic system has potential safety hazards such as deformation and collapse. The tension sensor 14 arranged on the flexible part 12 and the processor 3 form a flexible part tension monitoring device 4 for monitoring the tension value borne by the flexible part 12 in real time. When the pulling force value exceeds the pulling force value variation range, the processor 3 sends out an early warning so that the operation and maintenance personnel can carry out corresponding handling processing.
The flexible member 12 of the present invention is a steel cable, which is only an example of the present invention and should not be construed as limiting the flexible member 12. The number and position of the tension sensors 14 are provided in various forms, for example, one tension sensor 14 is provided at each end of the flexible member 12, one tension sensor 14 is provided at the middle position of the flexible member 12, or only one tension sensor 14 is provided at one end of the flexible member 12 at the north most side and the south most side of the flexible photovoltaic system, and the like. The number of the flexible members 12 in the flexible photovoltaic unit 1 of the present invention can be set according to actual requirements.
Preferably, the processor 3 further includes a data storage module 34, configured to store the set variation range of the pulling force value. And the digital filtering module 35 is used for performing noise reduction processing on the tension signal. A power supply module 36 for supplying power to the processor 3.
In an alternative embodiment of the present invention, referring to fig. 4, it is shown that the processor 3 further comprises a data storage module 34 for storing the set variation range of the pulling force value. And the digital filtering module 36 is used for performing noise reduction processing on the tension signal. A power supply module 35 for supplying power to the processor 3.
Preferably, the large-span support 2 includes at least two fixed assemblies 21, one end of the flexible photovoltaic unit 1 is fixedly connected to at least one of the fixed assemblies 21, the other end of the flexible photovoltaic unit 1 is fixedly connected to at least one of the fixed assemblies 21, and the at least two fixed assemblies 21 are sequentially arranged along the long direction of the flexible photovoltaic unit 1.
In an alternative embodiment of the present invention, referring to fig. 1, it is shown that the large-span support 2 includes two fixing assemblies 21, one end of the flexible photovoltaic unit 1 is fixedly connected to one of the fixing assemblies 21, the other end of the flexible photovoltaic unit 1 is fixedly connected to the other fixing assembly 21, and the fixing assemblies 21 play a role of fixing and supporting the flexible photovoltaic unit 1. The setting of the number and the position of the fixing members 21 in the present invention is only an example and should not be construed as limiting the number and the position of the fixing members 21.
Preferably, the fixing assembly 21 includes a cross beam 211 and at least two vertical columns 212, one end of each vertical column 212 is perpendicularly connected to the cross beam 211, and the at least two vertical columns 212 are uniformly arranged along the cross beam 211; the connecting position of the upright post 212 and the cross beam 211 is provided with a stay cable 213, the ground is provided with an anchor block 214, and the upright post 212 is connected with the anchor block 214 through the stay cable 213.
In an alternative embodiment of the present invention, referring to fig. 1, it is shown that a vertical column 212 is fixedly connected to both ends of the cross beam 211, and the vertical column 212 is vertically connected to the cross beam 211. The connecting position of the upright post 212 and the cross beam 211 is provided with a stay cable 213, the stay cable 213 is fixed on an earth anchor pile 214, the flexible part 12 in the flexible photovoltaic unit 1 is fixedly connected with the cross beam 211, the weight of the photovoltaic module, the self weight of the flexible part 12 and the pre-tensioning force of the flexible part 12 form internal prestress in the flexible part 12, and the formed internal stress is transmitted to the ground through the stay cable 213 and the earth anchor pile 214 to form a stable static structure system. Maintaining a constant static tensile stress on the flexible member 12.
Preferably, at least one fixing anchor 13 is respectively disposed at both ends of the flexible member 12, the fixing anchor 13 is fixed to the large-span support frame 2, and the flexible member 12 is fixed to the large-span support frame 2 by the fixing anchor 13. The tension sensor 14 is located between the fixed anchors 13 provided at both ends of the flexible member 12 and is close to the fixed anchors 13.
In an alternative embodiment of the present invention, referring to fig. 2-3, it is shown that two ends of the flexible member 12 are respectively provided with a fixed anchor 13, the fixed anchors 13 are fixed with the large-span support 2, and the flexible member 12 is fixed on the large-span support 2 through the fixed anchors 13, so as to fix the flexible photovoltaic unit 1 with the large-span support 2. A tension sensor 14 is arranged on the flexible part 12 between two fixed anchors 13 of one flexible photovoltaic unit 1, the tension sensor 14 being detachable. The flexible member 12 is firmly fixed on the large-span support 2 by the fixing anchor 13, and the tension value applied to the flexible member 12 is constantly monitored by installing the tension sensor 14. In the present invention, the tension sensor 14 is located at one end of the flexible member 12 adjacent to the fixed anchor 13. The tension sensor 14 can be fixed at any position of the flexible member 12 according to actual needs.
Preferably, a through hole 131 is formed along the axial direction of the fixing anchor 13, and the flexible member 12 is inserted into the through hole 131.
In an alternative embodiment of the invention, referring to FIG. 3, the flexible member 12 is shown disposed through the hole 131 of the fixed anchor 13 and secured to the fixed anchor 13.
Preferably, the flexible photovoltaic unit 1 is obliquely fixed on the large-span support 2, at least one flexible member 12 is fixed on the upper surface of the cross beam 211, and at least one flexible member 12 is fixed on the lower surface of the cross beam 211.
In an alternative embodiment of the present invention, referring to fig. 2, it is shown that two end portions of one flexible member 12 in a flexible photovoltaic unit 1 are fixed to the upper surface of a cross beam 211, two end portions of another flexible member 12 are both fixed to the lower surface of the cross beam 211, so that the flexible photovoltaic unit 1 is obliquely fixed to the large-span support 2, a plurality of flexible photovoltaic units 1 are sequentially and sequentially obliquely fixed to the large-span support 2 to form a flexible photovoltaic system, and the orientation of the flexible photovoltaic system is set by the flexible photovoltaic system according to the sunshine in each region.
According to the method for monitoring the tension of the flexible member, which is applied to any one of the processors 3, the tension sensor 14 sends the tension signal, and referring to fig. 5, the method is shown to comprise the following steps,
And step 504, judging whether the pulling force value exceeds the range of variation of the pulling force value.
If yes, the pulling force value exceeds the variation range of the pulling force value, go to step 505; if not, that is, the pulling force value is not beyond the variation range of the pulling force value, the step 502 is returned to.
And step 505, sending out an alarm signal.
In one embodiment of the invention, the tension sensor 14 sends a tension signal, the processor 3 receives the tension signal, the tension value borne by the flexible part 12 is determined through calculation and processing, the control operation of the processor 3 is determined according to the obtained tension value, when the tension value exceeds the variation range of the tension value, the processor 3 sends an alarm signal, the alarm signal is sent to the communication module 33, the communication module 33 sends an alarm, and operation and maintenance personnel carry out processing operation according to the sent alarm, so that potential safety hazards such as deformation, collapse or system component falling and the like existing in the flexible photovoltaic system when bearing wind load are effectively avoided. And when the tension value does not exceed the variation range of the tension value, continuously receiving the tension signal and sequentially executing the operation.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
As is readily imaginable to the person skilled in the art: any combination of the above embodiments is possible, and thus any combination between the above embodiments is an embodiment of the present invention, but this specification is not necessarily detailed herein for reasons of space limitation.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Similarly, it should be appreciated that in the foregoing description of exemplary embodiments of the invention, various features of the invention are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the invention and aiding in the understanding of one or more of the various inventive aspects. However, the disclosed method should not be interpreted as reflecting an intention that: that the invention as claimed requires more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this invention.
Those skilled in the art will appreciate that the modules in the device in an embodiment may be adaptively changed and disposed in one or more devices different from the embodiment. The modules or units or components of the embodiments may be combined into one module or unit or component, and furthermore they may be divided into a plurality of sub-modules or sub-units or sub-components. All of the features disclosed in this specification (including any accompanying claims, abstract and drawings), and all of the processes or elements of any method or apparatus so disclosed, may be combined in any combination, except combinations where at least some of such features and/or processes or elements are mutually exclusive. Each feature disclosed in this specification (including any accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, apparatus, or computer program product. Accordingly, embodiments of the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, embodiments of the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
Embodiments of the present invention are described with reference to flowchart illustrations and/or block diagrams of methods, terminal devices (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing terminal to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing terminal, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing terminal to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing terminal to cause a series of operational steps to be performed on the computer or other programmable terminal to produce a computer implemented process such that the instructions which execute on the computer or other programmable terminal provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the embodiments of the invention.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.
The flexible photovoltaic system and the method for monitoring the flexible tension provided by the invention are introduced in detail, and specific examples are applied to explain the principle and the implementation mode of the invention, and the description of the examples is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. A flexible photovoltaic system, comprising: the photovoltaic power generation system comprises a plurality of flexible photovoltaic units (1) and a large-span support (2), wherein the flexible photovoltaic units (1) are sequentially fixed on the large-span support (2);
the plurality of flexible photovoltaic units (1) comprise at least two flexible pieces (12), the flexible pieces (12) penetrate through the flexible photovoltaic units (1), and the at least two flexible pieces (12) are sequentially arranged along the width direction of the flexible photovoltaic units (1);
the flexible photovoltaic system further comprises a flexible piece tension monitoring device (4), the flexible piece tension monitoring device (4) comprises a plurality of tension sensors (14) and a processor (3), and the tension sensors (14) are used for sending tension signals; the flexible part (12) is connected with at least one tension sensor (14), and the tension sensor (14) is connected with the processor (3);
the processor (3) comprises a processor (3),
a drive module (31) for receiving the tension signal;
the operation and logic processing module (32) is used for determining the tension value born by the flexible part (12) according to the tension signal; judging whether the tension value exceeds a preset tension value variation range or not; if the tension value exceeds the variation range of the tension value, sending an alarm signal; if the tension value does not exceed the variation range of the tension value, continuously receiving the tension signal;
and the communication module (33) is used for receiving the alarm signal and giving an alarm.
2. The flexible photovoltaic system according to claim 1, characterized in that the processor (3) further comprises,
and the data storage module (34) is used for storing the set variation range of the tension value.
3. The flexible photovoltaic system according to claim 1, characterized in that the large-span support (2) comprises at least two fixing assemblies (21), one end of the flexible photovoltaic unit (1) is fixedly connected with at least one of the fixing assemblies (21), the other end of the flexible photovoltaic unit (1) is fixedly connected with at least one of the fixing assemblies (21), and the at least two fixing assemblies (21) are sequentially arranged along the length direction of the flexible photovoltaic unit (1).
4. The flexible photovoltaic system according to claim 3, characterized in that the fixing assembly (21) comprises a cross beam (211) and at least two uprights (212), one end of the upright (212) being connected perpendicularly to the cross beam (211), the at least two uprights (212) being arranged uniformly along the cross beam (211); the connecting position of the upright column (212) and the cross beam (211) is provided with a stay cable (213), the ground is provided with an earth anchor pile (214), and the upright column (212) is connected with the earth anchor pile (214) through the stay cable (213).
5. The flexible photovoltaic system according to claim 1, characterized in that the flexible member (12) is provided at both ends with at least one fixing anchor (13), respectively, the fixing anchor (13) being fixed with the large-span support (2), the flexible member (12) being fixed to the large-span support (2) by the fixing anchor (13).
6. The flexible photovoltaic system according to claim 5, characterized in that a through hole (131) is axially opened along the fixing anchor (13), and the flexible member (12) is inserted into the through hole (131).
7. Flexible photovoltaic system according to claim 5, characterized in that the tension sensor (14) is located between the fixed anchors (13) provided at both ends of the flexible member (12) and close to the fixed anchors (13).
8. Flexible photovoltaic system according to claim 4, characterized in that the flexible photovoltaic unit (1) is fixed obliquely to the large-span support (2), at least one of the flexible members (12) being fixed to the upper surface of the cross beam (211), at least one of the flexible members (12) being fixed to the lower surface of the cross beam (211).
9. A method for tension monitoring of a flexible member, the method being applied to a processor (3) according to any one of claims 1 to 8, the tension sensor (14) transmitting the tension signal, the method comprising,
receiving the tension signal;
determining a tension value borne by a flexible part (12) in the flexible photovoltaic system according to the tension signal;
judging whether the pulling force value exceeds the range of variation of the pulling force value;
if the tension value exceeds the variation range of the tension value, sending an alarm signal;
and if the tension value does not exceed the variation range of the tension value, continuously receiving the tension signal.
10. The method of claim 9, wherein the step of receiving the tension signal comprises,
and setting the range of the variation of the tension value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111406234.2A CN114257164B (en) | 2021-11-24 | 2021-11-24 | Flexible photovoltaic system and method for monitoring tension of flexible part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111406234.2A CN114257164B (en) | 2021-11-24 | 2021-11-24 | Flexible photovoltaic system and method for monitoring tension of flexible part |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114257164A CN114257164A (en) | 2022-03-29 |
| CN114257164B true CN114257164B (en) | 2022-09-27 |
Family
ID=80791155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111406234.2A Active CN114257164B (en) | 2021-11-24 | 2021-11-24 | Flexible photovoltaic system and method for monitoring tension of flexible part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114257164B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115085644B (en) * | 2022-07-22 | 2022-11-04 | 一道新能源科技(衢州)有限公司 | Installation system of ultra-light flexible photovoltaic module |
| CN115276521A (en) * | 2022-08-08 | 2022-11-01 | 长江勘测规划设计研究有限责任公司 | Ground anchor stabilized multi-row photovoltaic module purlin flexible cable support structure |
| CN115540939B (en) * | 2022-09-19 | 2024-01-30 | 中国电建集团江西省电力设计院有限公司 | An intelligent monitoring system for flexible brackets in photovoltaic power stations |
| CN116380155A (en) * | 2023-02-15 | 2023-07-04 | 华能新能源股份有限公司河北分公司 | A flexible support detection system, control method, equipment, and medium |
| CN116667785B (en) * | 2023-05-30 | 2026-04-10 | 华能新能源股份有限公司山西分公司 | Methods, systems, electronic equipment and storage media for monitoring the operating status of photovoltaic devices |
| CN117526820B (en) * | 2024-01-08 | 2024-04-16 | 中成空间（深圳）智能技术有限公司 | Flexible photovoltaic cell system and control method thereof |
| CN120128080B (en) * | 2025-02-20 | 2026-01-09 | 会泽华电道成清洁能源开发有限公司 | Monitoring method, device, equipment and storage medium of flexible photovoltaic array |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102253322A (en) * | 2011-05-11 | 2011-11-23 | 清华大学 | Solar cell array simulation device |
| DE102011081004A1 (en) * | 2011-08-16 | 2013-02-21 | Solarworld Innovations Gmbh | Contact device for solar cell with flexible line-shaped contact element, has carrier, and two parallel running linear electrically conductive contact strips or contact paths that are attached on carrier |
| CN104919601A (en) * | 2012-11-23 | 2015-09-16 | 阿波朗.索拉尔公司 | Method and device for controlling internal pressure of a photovoltaic module |
| CN205051635U (en) * | 2015-09-22 | 2016-02-24 | 杭州华鼎太阳能科技有限公司 | Cable truss and intelligence cable trussing |
| CN207543029U (en) * | 2017-10-25 | 2018-06-26 | 江苏印加新能源科技股份有限公司 | Flexible photovoltaic stent |
| CN108512495A (en) * | 2018-05-11 | 2018-09-07 | 南京威尔泰电气工程有限公司 | A kind of full-time tracking solar flexible holder |
| CN109361342A (en) * | 2018-11-22 | 2019-02-19 | 浙江精工能源科技集团有限公司 | A kind of flexible photovoltaic bracket wind-proof device and control method |
| CN110427053A (en) * | 2019-09-05 | 2019-11-08 | 南京市光翔新能源科技有限公司 | A prestressed flexible support oblique single-axis tracking system with double-layer structure |
| CN214045502U (en) * | 2020-12-28 | 2021-08-24 | 中国能源建设集团浙江省电力设计院有限公司 | Saddle-shaped cable net flexible photovoltaic system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207408286U (en) * | 2017-11-01 | 2018-05-25 | 米亚索乐装备集成（福建）有限公司 | For the reliability test equipment of flexible photovoltaic component |
-
2021
- 2021-11-24 CN CN202111406234.2A patent/CN114257164B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102253322A (en) * | 2011-05-11 | 2011-11-23 | 清华大学 | Solar cell array simulation device |
| DE102011081004A1 (en) * | 2011-08-16 | 2013-02-21 | Solarworld Innovations Gmbh | Contact device for solar cell with flexible line-shaped contact element, has carrier, and two parallel running linear electrically conductive contact strips or contact paths that are attached on carrier |
| CN104919601A (en) * | 2012-11-23 | 2015-09-16 | 阿波朗.索拉尔公司 | Method and device for controlling internal pressure of a photovoltaic module |
| CN205051635U (en) * | 2015-09-22 | 2016-02-24 | 杭州华鼎太阳能科技有限公司 | Cable truss and intelligence cable trussing |
| CN207543029U (en) * | 2017-10-25 | 2018-06-26 | 江苏印加新能源科技股份有限公司 | Flexible photovoltaic stent |
| CN108512495A (en) * | 2018-05-11 | 2018-09-07 | 南京威尔泰电气工程有限公司 | A kind of full-time tracking solar flexible holder |
| CN109361342A (en) * | 2018-11-22 | 2019-02-19 | 浙江精工能源科技集团有限公司 | A kind of flexible photovoltaic bracket wind-proof device and control method |
| CN110427053A (en) * | 2019-09-05 | 2019-11-08 | 南京市光翔新能源科技有限公司 | A prestressed flexible support oblique single-axis tracking system with double-layer structure |
| CN214045502U (en) * | 2020-12-28 | 2021-08-24 | 中国能源建设集团浙江省电力设计院有限公司 | Saddle-shaped cable net flexible photovoltaic system |
Non-Patent Citations (1)
| Title |
|---|
| 基于振弦传感器的输变电铁塔应力远程监测;张轩等;《电力电子技术》;20151031(第10期);第58-61页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114257164A (en) | 2022-03-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114257164A (en) | Flexible photovoltaic system and method for monitoring tension of flexible part | |
| CN112324177B (en) | Building reconstruction outer wall reinforcing device and method | |
| CN114337481B (en) | Flexible photovoltaic bracket | |
| CN114486572A (en) | Experimental device and method for preventing and controlling rock burst by cooperation of anchor rod support and anti-impact bracket | |
| CN108267283A (en) | The on-line monitoring method of building aseismicity suspension and support anti-seismic performance | |
| CN113863178A (en) | A tree-anchored flexible protection system and its inspection and evaluation method | |
| CN102296829B (en) | Method for constructing three-dimensional cable net curtain wall | |
| CN115276521A (en) | Ground anchor stabilized multi-row photovoltaic module purlin flexible cable support structure | |
| CN114993818B (en) | Comprehensive evaluation method and design method for underground engineering support system | |
| CN117792233A (en) | Large-span flexible photovoltaic bracket system with intelligent monitoring function | |
| CN1422349A (en) | Method of constructing structures useful as catwalks and building scaffolds on slopes, and catwalk and building scaffold constructed thereby | |
| CN221948081U (en) | A photovoltaic support system supported by a parallel double-layer cable system | |
| CN218672667U (en) | Photovoltaic flexible cable-stayed anchor cable system | |
| CN109208495B (en) | A Boundary Adaptive Support System for Impact Test of Flexible Structures | |
| CN114553112A (en) | Slope cable type photovoltaic support and method for calculating reaction force | |
| CN112683668B (en) | Static load test device for communication support | |
| Vafaei et al. | An Ideal strain gage placement plan for structural health monitoring under seismic loadings | |
| CN213094130U (en) | A buffer structure for flexible support field of photovoltaic | |
| CN214883819U (en) | Reinforced concrete column base foundation with self-resetting function | |
| CN214201122U (en) | Device for testing salt spray corrosion resistance of steel wire in bending and stretching state | |
| CN214169080U (en) | Steel bracing structure for controlling deformation of row pile foundation pit support | |
| CN222144359U (en) | Intelligent monitoring and adjusting device for photovoltaic flexible support | |
| CN222655071U (en) | Photovoltaic power generation system | |
| CN202929992U (en) | Tensile cantilever billboard | |
| CN202170671U (en) | Novel fence net structure |
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 | ||
| CP03 | Change of name, title or address |
Address after: No. 43 Bailing South Road, Quzhou City, Zhejiang Province 324022 Patentee after: Yidao New Energy Technology Co.,Ltd. Address before: No. 43, bailing South Road, Donggang District, green industry cluster district, Quzhou City, Zhejiang Province Patentee before: A New Energy Technology (Quzhou) Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240322 Address after: Room JT2125, Building 5, No. 3131 Jinshajiang Road, Zhenxin Street, Jiading District, Shanghai, 2018 Patentee after: Shanghai Youwen New Energy Co.,Ltd. Country or region after: China Address before: No. 43 Bailing South Road, Quzhou City, Zhejiang Province 324022 Patentee before: Yidao New Energy Technology Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |