CN114180406A - Intelligent photovoltaic module installation control equipment and use method thereof - Google Patents
Intelligent photovoltaic module installation control equipment and use method thereof Download PDFInfo
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- CN114180406A CN114180406A CN202210044942.4A CN202210044942A CN114180406A CN 114180406 A CN114180406 A CN 114180406A CN 202210044942 A CN202210044942 A CN 202210044942A CN 114180406 A CN114180406 A CN 114180406A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
- B65H59/38—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by regulating speed of driving mechanism of unwinding, paying-out, forwarding, winding, or depositing devices, e.g. automatically in response to variations in tension
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
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Abstract
The invention discloses intelligent photovoltaic module installation control equipment and a using method thereof, wherein the intelligent photovoltaic module installation control equipment comprises paying-off side equipment, a connecting plate device, taking-up side equipment and a PLC (programmable logic controller) control unit, wherein the paying-off side equipment is connected with the connecting plate device through two steel strands, and the taking-up side equipment is connected with the connecting plate device through two steel wire ropes; the paying-off side equipment and the taking-up side equipment are respectively provided with a servo system and a double-friction winding drum, the double-friction winding drum is meshed and connected through a double-cable synchronous winding and unwinding device, and the servo system drives the double-cable synchronous winding and unwinding device to drive the double-friction winding drum to pay off/take up; the connecting plate device comprises two connecting plate assemblies and a deflection detection module, wherein the deflection detection module is used for detecting whether the connecting plate assemblies deflect or not; the PLC control unit receives the signal transmitted by the deflection detection module, calculates the signal and outputs a pulse signal to the servo system, and the servo system controls the winding/unwinding speed of the single-side double-friction winding drum according to the pulse signal. The invention can control the synchronous movement of the double cables.
Description
Technical Field
The invention belongs to the technical field of photovoltaic installation, and particularly relates to intelligent photovoltaic module installation control equipment and a using method thereof.
Background
Photovoltaic power generation is a green power generation technology, and compared with a traditional power generation mode, the photovoltaic power generation system has the advantages of low resource consumption, environmental friendliness, cleanness, greenness and the like. With the more mature photovoltaic power generation technology, higher requirements are put forward on the installation equipment of the photovoltaic panel on water. Photovoltaic erection equipment on water need erect the prestressing force steel strand wires on the pile foundation that submarine laid, then install the photovoltaic panel on the steel strand wires through artificial mode. The installation mode has low efficiency, high labor cost and certain danger in installation work. The intelligent installation equipment capable of erecting the steel strand and installing the photovoltaic module simultaneously is invented at present, and the photovoltaic module is installed while the steel strand is laid. The equipment mainly comprises three parts, namely a paying-off side device, a taking-up side device and an intermediate connecting plate. The paying-off side equipment is used for automatically paying off the steel strands by driving the friction winding drum through the servo motor, the taking-up side equipment is approximately the same as the paying-off side equipment, the servo motor is used for driving the double friction winding drum to take up the steel wire ropes, and the steel wire ropes and the steel strands are connected together through the intermediate connecting plate. The equipment can cause the photovoltaic panel to deflect due to asynchronous take-up and pay-off of two sides caused by the difference of the properties of the steel strand and the steel wire rope and the control deviation of the servo motor due to the processing error of a friction reel mechanical structure in the process of erecting the steel strand and installing the photovoltaic panel.
Disclosure of Invention
The invention aims to provide intelligent photovoltaic module installation control equipment and a using method thereof, and solves the problem that a photovoltaic module deflects in the process of continuously installing the photovoltaic module in a large span.
In order to achieve the technical purpose, the invention adopts the technical scheme that:
the intelligent photovoltaic module installation control equipment comprises pay-off side equipment, a connecting plate device and take-up side equipment, wherein the pay-off side equipment is connected with the connecting plate device through two steel strands, and the take-up side equipment is connected with the connecting plate device through two steel wire ropes;
the paying-off side equipment and the taking-up side equipment respectively comprise symmetrically arranged racks, and servo systems are respectively arranged on the racks; two sides of the rack are respectively and rotatably connected with double friction drums which are meshed and connected through a double-cable synchronous winding and unwinding device, and a servo system drives the double-cable synchronous winding and unwinding device to drive the double friction drums to pay off/take up wires;
the connecting plate device comprises two connecting plate assemblies, one end of each connecting plate assembly is connected with a steel strand, the other end of each connecting plate assembly is connected with a steel wire rope, a deflection beam is hinged between the two connecting plate assemblies, and the deflection detection module is used for detecting whether the connecting plate assemblies deflect or not;
the device comprises a deflection detection module, a servo system, a PLC control unit, a pulse signal receiving and releasing device and a double-cable synchronous winding and releasing device, wherein the deflection detection module is used for detecting the deflection of a winding drum, the servo system is used for receiving the deflection of the winding drum, the servo system is used for calculating the deflection of the winding drum, outputting the pulse signal to the servo system, and the servo system receives the pulse signal output by the PLC control unit and cooperatively controls the winding or releasing speed of the double-friction winding drum on one side through the double-cable synchronous winding and releasing device.
Furthermore, the deflection detection module comprises a reference plate and a laser ranging sensor, one end of the reference plate is vertically connected to the inner side of one connecting plate component, the other end of the reference plate is a free end and points to the other connecting plate component, the laser ranging sensor is fixed on the connecting plate component which points to the free end of the reference plate, and the laser ranging sensor is used for measuring the distance between the free end of the reference plate and the laser ranging sensor so as to judge whether the two connecting plate components deflect.
Furthermore, the double-cable synchronous winding and unwinding device comprises a sun gear shaft, sun gears are arranged on two sides of the sun gear shaft, the sun gear shaft is connected to the rack, the sun gears on two sides of the sun gear shaft are respectively connected with the first output structure and the second output structure, the sun gear shaft is connected with a first servo motor of a servo system through a speed reducer, the first servo motor provides power for the sun gear shaft to drive the first output structure and the second output structure to move, and the first output structure and the second output structure are respectively meshed with double friction winding drums on two sides of the rack; the first output structure is also connected with a fine adjustment structure, and the fine adjustment structure is connected with a second servo motor of the servo system; the fine adjustment structure is driven by the second servo motor to adjust the movement speed of the first output structure.
Furthermore, the first output structure comprises a first planet wheel, a first planet outer ring gear and a first planet row output shaft, the first planet wheel is meshed with the sun gear, the first planet outer ring gear is of a stepped double-inner-tooth structure and comprises a large gear ring and a small gear ring, and the large gear ring of the first planet outer ring gear is meshed with the first planet wheel; a small gear ring of the first planet outer ring gear is meshed and connected with a first planet row output shaft, and the first planet row output shaft is coaxial with the sun gear shaft; the first planet row output shaft is coaxially connected with a first reel pinion, and the first reel pinion is meshed with the double-friction reel;
the fine adjustment structure comprises a rotary support gear, the rotary support gear is connected to a gear shaft of the sun gear, and a shaft of the first planet gear is connected to the inner side wall of the rotary support gear; the external teeth of the slewing bearing gear are meshed with a slewing bearing pinion, the slewing bearing pinion is fixed on the rack, and the slewing bearing gear is connected with a second servo motor through the slewing bearing pinion;
the second output structure comprises a second planet wheel, a second planet outer ring gear and a second planet row output shaft, the second planet wheel is meshed with the sun gear, and the shaft of the second planet wheel is connected with the rack; the second planet outer ring gear is of a stepped double-internal-tooth structure and comprises a large gear ring and a small gear ring, and the large gear ring of the second planet outer ring gear is meshed with the second planet wheel; a small gear ring of the second planet outer ring gear is meshed with a second planet row output shaft, and the second planet row output shaft is coaxial with the sun gear shaft; the second planet row output shaft is coaxially connected with a second reel pinion, and the second reel pinion is in meshed connection with the double-friction reel.
Furthermore, the second planet wheel, the second planet outer ring gear and the second planet row output shaft have the same size parameters as the first planet wheel, the first planet outer ring gear and the first planet row output shaft respectively.
Further, the rear end of the rack is provided with a tension measuring module, the tension measuring module comprises a force measuring wheel and a tension sensor, the force measuring wheel is fixedly connected to one side of the rack, one end of the tension sensor is installed on a central shaft of the force measuring wheel, the other end of the tension sensor is fixed on the rack, the steel strand bypasses the force measuring wheel, and the tension measuring module is used for measuring the tension of the steel strand when the steel strand is wound and unwound.
Furthermore, a speed measuring module is arranged between the tension measuring module and the connecting plate device, the speed measuring module is fixed on the rack and comprises an encoder, an upper pressing wheel, a lower pressing wheel and a pressing cylinder, the upper pressing wheel is connected with the encoder through a coupler, the upper pressing wheel is abutted against the lower pressing wheel, the steel strand penetrates through a gap between the upper pressing wheel and the lower pressing wheel, and the pressing cylinder acts on the lower pressing wheel to push the lower pressing wheel to be matched with the upper pressing wheel to press the steel strand; the steel strand drives the upper pinch roller to rotate through friction when moving, and the encoder obtains the signal simultaneously, and the encoder will the signal converts the speed of being qualified for the next round of competitions of the steel strand on unwrapping wire side both sides.
Furthermore, the PLC control unit is in communication connection with an encoder of the speed measuring module and a tension sensor of the tension measuring module, receives signals output by the encoder and the tension sensor, calculates the signals, and outputs pulse signals to the servo system.
Preferably, the PLC control unit includes a wire unwinding side control unit and a wire winding side control unit, and the wire unwinding side control unit and the wire winding side control unit exchange data via an industrial ethernet.
A use method of intelligent photovoltaic module installation control equipment comprises the following specific steps:
s1, stay wire: one end of the steel strand is led out from the rope storage device outside the paying-off side, passes through the double friction winding drum of the paying-off side equipment, the tension measuring module of the paying-off side equipment and the speed measuring module of the paying-off side equipment in sequence, and is fixed on the connecting plate device; one end of the steel wire rope is fixed on the connecting plate device, and the other end of the steel wire rope sequentially passes through the speed measuring module of the wire collecting side equipment, the tension measuring module of the wire collecting side equipment and the double friction winding drum of the wire collecting side equipment and is fixed on the external wire rope storage device of the wire collecting side;
s2, starting an equipment switch to ensure that the steel strand/steel wire rope achieves the required tension;
s3, after the steel strand/steel wire rope is pre-tightened, the servo system drives the double-friction winding drum to synchronously rotate to realize continuous forward of the steel strand;
s4, a deflection detection module of the connecting plate device monitors whether the two connecting plate assemblies deflect or not, a tension measurement module measures the tension of the steel strand/steel wire rope, and a speed measurement module measures the wire outgoing/receiving speed of the steel strand/steel wire rope; the PLC control unit receives signals transmitted by the encoder, the tension sensor and the laser ranging sensor, logic operation is carried out, pulse signals are comprehensively output to the servo system, the servo system receives the pulse signals of the PLC control unit and cooperatively controls the winding or unwinding speed of the double-friction winding drum on one side through the double-cable synchronous winding and unwinding device, and the synchronous winding and unwinding of the double-friction winding drums on two sides and the installation of the photovoltaic panel are guaranteed not to deflect.
Compared with the prior art, the invention has the beneficial effects that:
1) according to the invention, by arranging the double-cable synchronous winding and unwinding device, the deflection detection module of the connecting plate device and the PLC control unit, the winding or unwinding speed of the double-friction winding drum on one side can be adjusted according to the detected deflection condition of the connecting plate device, and the synchronous winding and unwinding of the double-friction winding drums on two sides and the non-deflection of the installation of the photovoltaic panel are ensured.
2) According to the invention, the tension measuring module and the speed measuring module are arranged between the double-friction winding drum and the connecting plate device, so that the winding or unwinding speed of the single-side double-friction winding drum can be adjusted according to the tension and speed of the steel strand and the position relation of deflection of the connecting plate device, and the control is carried out in multiple aspects, so that the moving speed and the tension of the steel strand reach a balanced state.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a schematic structural view of a pay-off side apparatus in an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a dual cable synchronous retraction device in an embodiment of the present invention;
FIG. 4 is a schematic view of a tension measurement module in an embodiment of the invention;
FIG. 5 is a schematic diagram of a velocity measurement module in an embodiment of the invention;
FIG. 6 is a schematic structural diagram of a web assembly in an embodiment of the present invention;
FIG. 7 is a schematic view of a clockwise deflection of a web assembly in an embodiment of the present invention;
FIG. 8 is a schematic view of a counterclockwise deflection of a web assembly in an embodiment of the present invention;
fig. 9 is an electrical schematic block diagram of an embodiment of the invention.
Reference numerals: 100-pay-off side equipment, 200-connecting plate device, 300-take-up side equipment, 0-frame, 1-double friction reel, 2-servo system, 3-encoder, 31-upper pinch roller, 32-lower pinch roller, 33-pinch cylinder, 4-tension sensor, 5-force measuring wheel, 6-connecting plate assembly, 7-laser distance measuring sensor, 8-deflection beam, 9-reference plate, 10-double cable synchronous take-up and pay-off device, 11-sun gear shaft, 12-first planet gear, 12' -second planet gear, 13-first planet outer ring gear, 13' -second planet outer ring gear, 14-first planet row output shaft, 14' -second planet row output shaft, 15-first reel pinion, 15' -second reel pinion, 17-slewing gear, 18-slewing pinion.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The utility model provides a photovoltaic module intelligence installation controlgear, as shown in fig. 1, includes that unwrapping wire side equipment 100, connecting plate device 200, receipts line side equipment 300, unwrapping wire side equipment 100 is connected through two steel strand wires with connecting plate device 200, receive line side equipment 300 and connecting plate device 200 and be connected through two wire rope. When the photovoltaic module intelligent installation control equipment operates, the paying-off side equipment 100 emits steel strands, the take-up side equipment 300 withdraws the steel wire ropes, the steel wire ropes and the steel strands drive the connecting plate device 200 to move from one side of the paying-off side equipment 100 to one side of the take-up side equipment 300, and the photovoltaic module is installed and fixed in the process.
As shown in fig. 2 and 3, the pay-off side device 100 includes a rack 0 symmetrically disposed, a servo system 2 is disposed on the rack 0, and the servo system 2 includes a first servo motor and a second servo motor; two sides of the rack 0 are respectively and rotatably connected with double friction drums 1, the double friction drums 1 are meshed and connected through a double-cable synchronous winding and unwinding device 10, and a servo system 2 drives the double-cable synchronous winding and unwinding device 10 to drive the double friction drums 1 to pay off. The take-up side equipment and the pay-off side equipment are the same and symmetrically arranged, and a servo system of the take-up side equipment drives the double-friction winding drum to take up.
The double-cable synchronous winding and unwinding device 10 comprises a sun gear shaft 11, sun gears are arranged on two sides of the sun gear shaft 11, the sun gear shaft 11 is connected to the rack 0, the sun gears on two sides of the sun gear shaft 11 are respectively connected with a first output structure and a second output structure, the sun gear shaft 11 is connected with a first servo motor through a speed reducer, the first servo motor provides power for the sun gear shaft 11 to drive the first output structure and the second output structure to move, and the first output structure and the second output structure are respectively meshed with the double-friction winding drums 1 on two sides of the rack 0; the first output structure is also connected with a fine adjustment structure, and the fine adjustment structure is connected with a second servo motor; the fine adjustment structure is driven by the second servo motor to adjust the movement speed of the first output structure.
The first output structure comprises a first planet wheel 12, a first planet outer ring gear 13 and a first planet row output shaft 14, the first planet wheel 12 is meshed with the sun gear, the first planet outer ring gear 13 is of a stepped double-inner-tooth structure and comprises a large gear ring and a small gear ring, and the large gear ring of the first planet outer ring gear 13 is meshed with the first planet wheel 12; a small gear ring of the first planet outer ring gear 13 is meshed with a first planet row output shaft 14, and the first planet row output shaft 14 is coaxial with the sun gear shaft 11; the first planet row output shaft 14 is coaxially connected with a first reel pinion 15, and the first reel pinion 15 is meshed with the double-friction reel 1; optionally, the first planet gears 12 are provided in a plurality, for example 2, 3, 4, and the plurality of first planet gears 12 are uniformly arranged around the circumference of the sun gear shaft 11.
The fine adjustment structure comprises a rotary support gear 17, the rotary support gear 17 is connected to the sun gear shaft 11, and the shaft of the first planet gear 12 is connected to the inner side wall of the rotary support gear 17; slewing bearing gear 17 external tooth meshing connects slewing bearing pinion 18, and slewing bearing pinion 18 is fixed in frame 0, and slewing bearing gear 17 passes through slewing bearing pinion 18 and is connected with the second servo motor.
The second output structure comprises a second planet wheel 12', a second planet outer ring gear 13' and a second planet row output shaft 14', the second planet wheel 12' is meshed with the sun wheel gear, and the shaft of the second planet wheel 12' is connected with the rack 0; the second planet outer ring gear 13' is of a stepped double-internal-tooth structure and comprises a large gear ring and a small gear ring, and the large gear ring of the second planet outer ring gear 13' is meshed with the second planet wheel 12 '; a small gear ring of the second planet outer ring gear 13' is meshed with a second planet row output shaft 14', and the second planet row output shaft 14' is coaxial with the sun gear shaft; the second planet row output shaft 14' is coaxially connected with a second reel pinion 15', and the second reel pinion 15' is in meshed connection with the double-friction reel 1; preferably, the second planet wheels 12', the second planet outer ring gear 13', and the second planet row output shaft 14 'have the same size parameters as the first planet wheels 12, the first planet outer ring gear 13, and the first planet row output shaft 14, respectively, and the number of the second planet wheels 12' is the same as the number of the first planet wheels 12.
The first servo motor drives the sun gear shaft 11 to rotate, the sun gear shaft provides a large torque for the whole device, the large torque is transmitted to the double-friction winding drum through the gear, power is provided for the double-friction winding drum, and meanwhile the double-friction winding drum on two sides of the rack 0 is driven to move; the second servo motor drives the slewing bearing pinion 18 to rotate, the slewing bearing pinion 18 provides smaller torque, and the first planet row output gear is finely adjusted, so that the rotating speed and the torque of the double-friction winding drum on the side are influenced, the wire releasing speed of the double-friction winding drums on two sides of the rack is adjusted, and the wire releasing speed of the double-friction winding drums on two sides of the rack is guaranteed to be the same.
The rear end of the rack is provided with a tension measuring module, as shown in fig. 4, the tension measuring module comprises a force measuring wheel 5 and a tension sensor 4, the force measuring wheel 5 is fixedly connected to one side of the rack, one end of the tension sensor 4 is installed on a central shaft of the force measuring wheel 5, the other end of the tension sensor is fixed on the rack, a steel strand bypasses the force measuring wheel 5, when the steel strand is subjected to tension, the central shaft of the force measuring wheel 5 can generate tension in a corresponding proportion and transmit the tension to the tension sensor 4, and therefore the tension of the steel strand is measured.
Be provided with speed measurement module between double friction reel and tension measurement module, as shown in fig. 5, speed measurement module includes encoder 3, last pinch roller 31, pinch roller 32, pressure cylinder 33 down, it passes through the coupling joint with encoder 3 to go up pinch roller 31, go up pinch roller 31 and pinch roller 32 butt down, and the steel strand wires passes from the gap in the middle of last pinch roller 31 and pinch roller 32 down, and pressure cylinder 33 acts on pinch roller 32 down, promotes pinch roller 32 down and compresses tightly the steel strand wires with the cooperation of last pinch roller 31. The steel strand drives the upper pinch roller 31 to rotate through friction when moving, and meanwhile, the encoder 3 obtains a signal, and the encoder 3 converts the signal into the outgoing line speed of the steel strand on two sides of the outgoing line side.
The connecting plate device comprises two connecting plate assemblies 6 as shown in figure 6, one end of each connecting plate assembly 6 is connected with a steel strand, the other end of each connecting plate assembly 6 is connected with a steel wire rope, a deflection beam 8 is hinged between the two connecting plate assemblies 6 through a pin shaft, and when the connecting plate assemblies 6 on the two sides move and displace to generate difference, the deflection beam 8 deflects relative to the connecting plate assemblies 6; still include and refer to board 9 and laser range sensor 7, it is inboard in a connecting plate subassembly to refer to board 9 one end perpendicular connection, and the other end is the free end, directional another connecting plate subassembly, and laser range sensor 7 is fixed on referring to the directional connecting plate subassembly of board 9 free end, and laser range sensor 7 is used for measuring the distance of referring to board 9 free end apart from laser range sensor 7 to this judges whether two connecting plate subassemblies 6 take place to deflect. As shown in fig. 7 and 8, when the two link plate assemblies 6 are deflected, the distance of the free end of the reference plate 9 from the laser distance sensor 7 changes.
One end of the steel strand is led out from the rope storage device outside the paying-off side, passes through the double friction winding drum of the paying-off side equipment, the tension measuring module of the paying-off side equipment and the speed measuring module of the paying-off side equipment in sequence, and is fixed on the connecting plate device; one end of the steel wire rope is fixed on the connecting plate device, and the other end of the steel wire rope sequentially passes through the speed measuring module of the wire winding side equipment, the tension measuring module of the wire winding side equipment and the double-friction winding drum of the wire winding side equipment and is fixed on the external wire storage device of the wire winding side.
The PLC control unit comprises a paying-off side control unit and a taking-up side control unit, and the paying-off side control unit and the taking-up side control unit exchange data through an industrial Ethernet. As shown in fig. 9, the PLC control unit is in communication connection with the encoder 3 of the speed measurement module, the tension sensor 4 of the tension measurement module, the laser distance measurement sensor 7 of the connection board device, and the servo system 2, the PLC control unit receives signals transmitted by the encoder 3, the tension sensor 4, and the laser distance measurement sensor 7, performs logic operation, and comprehensively outputs pulse signals to the servo system 2, the servo system 2 receives the pulse signals of the PLC control unit and cooperatively controls the winding or unwinding speed of the single-side double-friction winding drum 1 through the double-cable synchronous winding and unwinding device 10, thereby ensuring that the winding and unwinding of the double-friction winding drums 1 on both sides are synchronous and the photovoltaic panel is not deflected.
A use method of intelligent photovoltaic module installation control equipment comprises the following steps:
s1, stay wire: one end of the steel strand is led out from the rope storage device outside the paying-off side, passes through the double friction winding drum of the paying-off side equipment, the tension measuring module of the paying-off side equipment and the speed measuring module of the paying-off side equipment in sequence, and is fixed on the connecting plate device; one end of the steel wire rope is fixed on the connecting plate device, and the other end of the steel wire rope sequentially passes through the speed measuring module of the wire collecting side equipment, the tension measuring module of the wire collecting side equipment and the double friction winding drum of the wire collecting side equipment and is fixed on the external wire rope storage device of the wire collecting side;
s2, starting an equipment switch to ensure that the steel strand/steel wire rope achieves the required tension;
s3, after the steel strand/steel wire rope is pre-tightened, the servo system drives the double-friction winding drum to synchronously rotate to realize continuous forward of the steel strand;
s4, a deflection detection module of the connecting plate device monitors whether the two connecting plate assemblies deflect or not, a tension measurement module measures the tension of the steel strand/steel wire rope, and a speed measurement module measures the wire outgoing/receiving speed of the steel strand/steel wire rope; the PLC control unit receives signals transmitted by the encoder, the tension sensor and the laser ranging sensor, performs logical operation, comprehensively outputs pulse signals to the servo system, the servo system receives the pulse signals of the PLC control unit and cooperatively controls the winding or unwinding speed of the double-friction winding drum on one side through the double-cable synchronous winding and unwinding device, and the synchronous winding and unwinding of the double-friction winding drums on two sides and the installation of the photovoltaic panel are guaranteed not to deflect.
In step S4, for clarity, the left side of the connecting plate device in fig. 7 and 8 is set as the wire releasing side, the right side is set as the wire retracting side, the steel strand at the upper end of the wire releasing side is denoted as a, the steel strand at the lower end of the wire releasing side is denoted as C, the steel wire rope at the upper end of the wire retracting side is denoted as B, and the steel wire rope at the lower end of the wire retracting side is denoted as D.
FA、FB、FCAnd FDRepresenting the A, B, C and D four ends of the tension respectively, can be measured by the tension sensor 4 and the force measuring wheel 5.
When the angle deflection is adjusted, the deflection of the connecting plate device, namely the photovoltaic panel, is eliminated by adjusting the releasing/receiving of the cables at the A end and the B end, and the C end and the D end are not adjusted. The first servo motor of the paying-off side equipment works normally, the tension of the steel strand at the A end is adjusted by controlling the second servo motor of the paying-off side equipment to rotate forwards or backwards, the first servo motor of the taking-up side equipment works normally, and the tension of the steel wire rope at the B end is adjusted by controlling the second servo motor of the taking-up side equipment to rotate forwards or backwards.
After the angle deflection is eliminated, the tension of the steel strand and the position of the photovoltaic panel are controlled by integrally controlling the retraction of the servo systems at the wire take-up side and the wire take-off side.
Specifically, when the web assembly is deflected clockwise as shown in FIG. 7, it can be divided into two cases FA>FCAnd FA<FC：
FA>FCDuring the process, the rope winding speed of the winding drum at the B end can be reduced, the purpose of eliminating the deflection angle is achieved, and meanwhile, the tension of the A end can be reduced.
FA<FCIn the process, the rope unwinding speed of the A-end winding drum can be reduced, the purpose of eliminating deflection angles is achieved, and meanwhile the tension of the A-end can be increased.
When the web assembly is deflected counterclockwise as shown in FIG. 8, it can be divided into two cases FA>FCAnd FA<FC:
FA>FCWhen the rope is unwound, the rope unwinding speed of the A-end winding drum can be increased, the purpose of eliminating the deflection angle is achieved, and meanwhile, the tension of the A-end can be reduced.
FA<FCDuring the process, the rope winding speed of the winding drum at the B end can be increased, the purpose of eliminating the deflection angle is achieved, and meanwhile, the tension of the A end can be increased.
The present invention is capable of other embodiments, and various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides a photovoltaic module intelligence installation controlgear which characterized in that: the wire winding device comprises a wire unwinding side device (100), a connecting plate device (200) and a wire winding side device (300), wherein the wire unwinding side device (100) is connected with the connecting plate device (200) through two steel strands, and the wire winding side device (300) is connected with the connecting plate device (200) through two steel wire ropes;
the paying-off side equipment (100) and the taking-up side equipment (300) respectively comprise symmetrically arranged racks (0), and servo systems (2) are respectively arranged on the racks (0); two sides of the rack (0) are respectively and rotatably connected with double friction drums (1), the double friction drums (1) are meshed and connected through a double-cable synchronous winding and unwinding device (10), and a servo system (2) drives the double-cable synchronous winding and unwinding device (10) to drive the double friction drums (1) to pay off/take up;
the connecting plate device (200) comprises two connecting plate assemblies (6), one ends of the connecting plate assemblies (6) are connected with steel strands, the other ends of the connecting plate assemblies (6) are connected with steel wire ropes, a deflection beam (8) is hinged between the two connecting plate assemblies (6), and the connecting plate device also comprises a deflection detection module which is used for detecting whether the connecting plate assemblies (6) deflect or not;
the device is characterized by further comprising a PLC control unit, wherein the PLC control unit is in communication connection with the deflection detection module and the servo system (2) and used for receiving signals transmitted by the deflection detection module, calculating the signals and outputting pulse signals to the servo system, and the servo system receives the pulse signals output by the PLC control unit and cooperatively controls the winding or unwinding speed of the single-side double-friction winding drum through the double-cable synchronous winding and unwinding device.
2. The intelligent photovoltaic module installation control device of claim 1, wherein: the deflection detection module comprises a reference plate (9) and a laser ranging sensor (7), one end of the reference plate (9) is perpendicularly connected to the inner side of one connecting plate component (6), the other end of the reference plate is a free end and points to the other connecting plate component, the laser ranging sensor (7) is fixed on the connecting plate component which points to the free end of the reference plate (9), and the laser ranging sensor (7) is used for measuring the distance between the free end of the reference plate (9) and the laser ranging sensor (7) so as to judge whether the two connecting plate components (6) deflect.
3. The intelligent photovoltaic module installation control device of claim 1, wherein: the double-cable synchronous winding and unwinding device (10) comprises a sun gear shaft (11), sun gears are arranged on two sides of the sun gear shaft (11), the sun gear shaft (11) is connected to the rack (0), the sun gears on two sides of the sun gear shaft (11) are respectively connected with a first output structure and a second output structure, the sun gear shaft (11) is connected with a first servo motor of the servo system (2) through a speed reducer, the first servo motor provides power for the sun gear shaft (11) to drive the first output structure and the second output structure to move, and the first output structure and the second output structure are respectively in meshed connection with double-friction winding drums (1) on two sides of the rack (0); the first output structure is also connected with a fine adjustment structure, and the fine adjustment structure is connected with a second servo motor of the servo system (2); the fine adjustment structure is driven by the second servo motor to adjust the movement speed of the first output structure.
4. The intelligent photovoltaic module installation control device of claim 3, wherein: the first output structure comprises a first planet wheel (12), a first planet outer ring gear (13) and a first planet row output shaft (14), the first planet wheel (12) is meshed with the sun gear, the first planet outer ring gear (13) is of a stepped double-inner-tooth structure and comprises a large gear ring and a small gear ring, and the large gear ring of the first planet outer ring gear (13) is meshed with the first planet wheel (12); a small gear ring of the first planet outer ring gear (13) is meshed with a first planet row output shaft (14), and the first planet row output shaft (14) is coaxial with the sun gear shaft (11); the first planet row output shaft (14) is coaxially connected with a first reel pinion (15), and the first reel pinion (15) is meshed with the double-friction reel (1);
the fine adjustment structure comprises a rotary support gear (17), the rotary support gear (17) is connected to a sun gear shaft (11), and a shaft of the first planet gear (12) is connected to the inner side wall of the rotary support gear (17); the external teeth of the slewing bearing gear (17) are meshed with a slewing bearing pinion (18), the slewing bearing pinion (18) is fixed on the rack (0), and the slewing bearing gear (17) is connected with a second servo motor through the slewing bearing pinion (18);
the second output structure comprises a second planet wheel (12'), a second planet outer ring gear (13') and a second planet row output shaft (14'), the second planet wheel (12') is meshed with the sun wheel gear, and the shaft of the second planet wheel (12') is connected with the frame (0); the second planet outer ring gear (13') is of a stepped double-internal-tooth structure and comprises a large gear ring and a small gear ring, and the large gear ring of the second planet outer ring gear (13') is meshed with the second planet wheel (12 '); a small gear ring of the second planet outer ring gear (13') is meshed with a second planet row output shaft (14'), and the second planet row output shaft (14') is coaxial with the sun gear shaft; the second planet row output shaft (14') is coaxially connected with a second reel pinion (15'), and the second reel pinion (15') is meshed with the double friction reel (1).
5. The intelligent photovoltaic module installation control device of claim 4, wherein: the second planet wheel (12'), the second planet outer ring gear (13') and the second planet row output shaft (14') are the same as the first planet wheel (12), the first planet outer ring gear (13) and the first planet row output shaft (14) in size parameters.
6. The intelligent photovoltaic module installation control device of claim 1, wherein: the frame rear end is provided with the tension measurement module, the tension measurement module includes force wheel (5) and force sensor (4), force wheel (5) fixed connection is in frame one side, force sensor (4) one end is installed on the center pin of force wheel (5), and the other end is fixed in the frame, and the steel strand wires are walked around force wheel (5), and the tension measurement module is used for measuring the tension when the steel strand wires receive and release.
7. The intelligent photovoltaic module installation control device of claim 6, wherein: a speed measuring module is arranged between the tension measuring module and the connecting plate device, the speed measuring module is fixed on the rack and comprises an encoder (3), an upper pinch roller (31), a lower pinch roller (32) and a pressing cylinder (33), the upper pinch roller (31) is connected with the encoder (3) through a coupler, the upper pinch roller (31) is abutted to the lower pinch roller (32), a steel strand penetrates through a gap between the upper pinch roller (31) and the lower pinch roller (32), and the pressing cylinder (33) acts on the lower pinch roller (32) to push the lower pinch roller (32) to be matched with the upper pinch roller (31) to press the steel strand tightly; the steel strand wires drive the upper pinch roller (31) to rotate through friction when moving, meanwhile, the encoder (3) obtains signals, and the encoder (3) converts the signals into the wire outlet speeds of the steel strand wires on two sides of the paying-off side.
8. The intelligent photovoltaic module installation control device of claim 7, wherein: the PLC control unit is in communication connection with an encoder (3) of the speed measuring module and a tension sensor (4) of the tension measuring module, receives signals output by the encoder (3) and the tension sensor (4), calculates the signals, and outputs pulse signals to the servo system (2).
9. The intelligent photovoltaic module installation control device of claim 8, wherein: the PLC control unit comprises a pay-off side control unit and a take-up side control unit, and the pay-off side control unit and the take-up side control unit exchange data through an industrial Ethernet.
10. The use method of the intelligent photovoltaic module installation control equipment of claim 8 is characterized in that: the method comprises the following specific steps:
s1, stay wire: one end of the steel strand is led out from the rope storage device outside the paying-off side, passes through the double friction winding drum of the paying-off side equipment, the tension measuring module of the paying-off side equipment and the speed measuring module of the paying-off side equipment in sequence, and is fixed on the connecting plate device; one end of the steel wire rope is fixed on the connecting plate device, and the other end of the steel wire rope sequentially passes through the speed measuring module of the wire collecting side equipment, the tension measuring module of the wire collecting side equipment and the double friction winding drum of the wire collecting side equipment and is fixed on the external wire rope storage device of the wire collecting side;
s2, starting an equipment switch to ensure that the steel strand/steel wire rope achieves the required tension;
s3, after the steel strand/steel wire rope is pre-tightened, the servo system drives the double-friction winding drum to synchronously rotate to realize continuous forward of the steel strand;
s4, a deflection detection module of the connecting plate device monitors whether the two connecting plate assemblies deflect or not, a tension measurement module measures the tension of the steel strand/steel wire rope, and a speed measurement module measures the wire outgoing/receiving speed of the steel strand/steel wire rope; the PLC control unit receives signals transmitted by the encoder, the tension sensor and the laser ranging sensor, logic operation is carried out, pulse signals are comprehensively output to the servo system, the servo system receives the pulse signals of the PLC control unit and cooperatively controls the winding or unwinding speed of the double-friction winding drum on one side through the double-cable synchronous winding and unwinding device, and the synchronous winding and unwinding of the double-friction winding drums on two sides and the installation of the photovoltaic panel are guaranteed not to deflect.
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