CN114180406B - Intelligent installation control equipment for photovoltaic module and application method of intelligent installation control equipment - Google Patents
Intelligent installation control equipment for photovoltaic module and application method of intelligent installation control equipment Download PDFInfo
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- CN114180406B CN114180406B CN202210044942.4A CN202210044942A CN114180406B CN 114180406 B CN114180406 B CN 114180406B CN 202210044942 A CN202210044942 A CN 202210044942A CN 114180406 B CN114180406 B CN 114180406B
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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 application discloses intelligent installation control equipment of a photovoltaic module and a use method thereof, wherein the intelligent installation control equipment comprises paying-off side equipment, a connecting plate device, wire collecting side equipment and a PLC control unit, the paying-off side equipment is connected with the connecting plate device through two steel strands, and the wire collecting side equipment is connected with the connecting plate device through two steel wires; the paying-off side equipment and the reeling side equipment are respectively provided with a servo system and a double-friction winding drum, the double-friction winding drums are in meshed connection through a double-cable synchronous reeling and unreeling device, and the servo system drives the double-cable synchronous reeling and unreeling device to drive the double-friction winding drums to pay-off/reel; the connecting plate device comprises two connecting plate assemblies and a deflection detection module, and 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, outputs a pulse signal to the servo system, and the servo system controls the winding/unwinding speed of the double-friction winding drum at one side according to the pulse signal. The application can control the synchronous motion of the double cables.
Description
Technical Field
The application belongs to the technical field of photovoltaic installation, and particularly relates to intelligent installation control equipment for a photovoltaic module and a use method of the intelligent installation control equipment.
Background
The photovoltaic power generation is a green power generation technology, and has the advantages of low resource consumption, environmental friendliness, cleanness, greenness and the like compared with the traditional power generation mode. As photovoltaic power generation technology becomes more mature, higher requirements are put on installation equipment of photovoltaic panels on water. The photovoltaic installation equipment on water needs to erect a prestress steel strand on a pile foundation paved on the water bottom, and then the photovoltaic panel is installed on the steel strand in an artificial mode. The installation mode is low in efficiency, high in labor cost and dangerous in installation work. The application relates to intelligent installation equipment capable of installing a photovoltaic module while erecting steel strands, and the photovoltaic module is installed while laying the steel strands. The device mainly comprises paying-off side equipment, taking-up side equipment and a middle 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 paying-off side equipment is approximately the same as the paying-off side equipment, and the double friction winding drum is driven by the servo motor to take up the steel strands, and the steel strands are connected together through the intermediate connecting plate. The device can be due to the machining errors of the mechanical structure of the friction winding drum in the process of erecting the steel stranded wires and installing the photovoltaic panel, and the property differences of the steel stranded wires and the steel wire ropes and the control deviation of the servo motor lead to the asynchronous take-up and pay-off of the two sides, so that the photovoltaic panel is deflected.
Disclosure of Invention
The application aims to provide intelligent installation control equipment for a photovoltaic module and a using method thereof, which solve the problem that the photovoltaic module deflects in the process of continuously installing the photovoltaic module in a large span.
In order to achieve the technical purpose, the application adopts the following technical scheme:
the intelligent installation control device for the photovoltaic module comprises paying-off side equipment, a connecting plate device and wire collecting side equipment, wherein the paying-off side equipment is connected with the connecting plate device through two steel strands, and the wire collecting side equipment is connected with the connecting plate device through two steel wires;
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; the two sides of the frame are respectively connected with a double-friction winding drum in a rotating way, the double-friction winding drums are in meshed connection 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 drums to pay out/reel 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 connecting plate device further comprises a deflection detection module, wherein the deflection detection module is used for detecting whether the connecting plate assemblies deflect or not;
the servo system receives the pulse signals output by the PLC control unit and cooperatively controls the winding or unwinding speed of the double-friction winding drum at one side through the double-cable synchronous winding and unwinding device.
Further, 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 pointed by 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 that whether deflection occurs to the two connecting plate components is judged.
Further, the double-cable synchronous winding and unwinding device comprises a sun gear wheel shaft, sun gear wheels are arranged on two sides of the sun gear wheel shaft, the sun gear wheel shaft is connected to the frame, the sun gear wheels on two sides of the sun gear wheel shaft are respectively connected with the first output structure and the second output structure, the sun gear wheel 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 wheel 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 connected with double friction drums on two sides of the frame in a meshed mode; 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.
Further, 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-internal 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; the small gear ring of the first planet outer ring gear is meshed with a first planet row output shaft, and the first planet row output shaft is coaxial with a sun gear wheel shaft; the first planet row output shaft is coaxially connected with a first reel pinion, and the first reel pinion is in meshed connection with the double-friction reel;
the fine adjustment structure comprises a slewing bearing gear, the slewing bearing gear is connected to a sun gear wheel shaft, and a shaft of a first planet gear is connected to the inner side wall of the slewing bearing gear; the external teeth of the slewing bearing gear are meshed with a slewing bearing pinion, the slewing bearing pinion is fixed on the frame, and the slewing bearing gear is connected with the 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 frame; the second planetary 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 planetary outer ring gear is meshed with the second planetary gear; the 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 a sun gear wheel shaft; the second planet row output shaft is coaxially connected with a second reel pinion, and the second reel pinion is meshed with the double friction reels.
Further, the second planet wheel, the second planet outer ring gear and the second planet row output shaft are respectively the same as the first planet wheel, the first planet outer ring gear and the first planet row output shaft in size parameters.
Further, the rear end of the frame is provided with a tension measurement module, the tension measurement module comprises a force measuring wheel and a tension sensor, the force measuring wheel is fixedly connected to one side of the frame, one end of the tension sensor is arranged on a central shaft of the force measuring wheel, the other end of the tension sensor is fixed to the frame, the steel strand bypasses the force measuring wheel, and the tension measurement module is used for measuring tension when the steel strand is wound and unwound.
Further, a speed measurement module is arranged between the tension measurement module and the connecting plate device, the speed measurement module is fixed on the frame and comprises an encoder, an upper compression wheel, a lower compression wheel and a compression cylinder, the upper compression wheel is connected with the encoder through a coupling, the upper compression wheel is abutted with the lower compression wheel, a steel strand passes through a gap between the upper compression wheel and the lower compression wheel, and the compression cylinder acts on the lower compression wheel to push the lower compression wheel to be matched with the upper compression wheel to compress the steel strand; when the steel strand moves, the upper pressing wheel is driven by friction to rotate, meanwhile, the encoder obtains signals, and the encoder converts the signals into the wire outgoing speeds of the steel strands on two sides of the pay-off side.
Further, the PLC control unit is in communication connection with the encoder of the speed measurement module and the tension sensor of the tension measurement 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 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.
The application method of the intelligent installation control device for the photovoltaic module comprises the following specific steps:
s1, stay wire: one end of the steel strand is led out from the outer rope storage device at the paying-off side, sequentially 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, 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 wire winding side external rope storage device;
s2, starting a device switch to ensure that the steel strand/wire rope reaches the required tension;
s3, after the steel strand wires/steel wire ropes are pre-tightened, the servo system drives the double-friction winding drum to synchronously rotate so as to realize continuous advance of the steel strand wires;
s4, a deflection detection module of the connecting plate device monitors whether deflection occurs to the two connecting plate assemblies, a tension measurement module measures the tension of the steel strand wires/steel wire ropes, and a speed measurement module measures the wire outgoing/wire taking-up speeds of the steel strand wires/steel wire ropes; the PLC control unit receives signals transmitted by the encoder, the tension sensor and the laser ranging sensor, performs logic operation, comprehensively outputs pulse signals to the servo system, and 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 to ensure that the winding and unwinding of the double-friction winding drum on two sides are synchronous and the installation of the photovoltaic panel is not deflected.
Compared with the prior art, the application has the beneficial effects that:
1) According to the application, 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 at one side can be adjusted according to the detected deflection condition of the connecting plate device, and the synchronization of winding and unwinding of the double-friction winding drums at two sides and the installation of the photovoltaic panel are ensured not to deflect.
2) According to the application, 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 double-friction winding drum at one side can be adjusted according to the tension, speed and deflection position relation of the connecting plate device, and the moving speed and the tension of the steel stranded wire can be regulated in multiple aspects to reach an equilibrium state.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic overall structure of an embodiment of the present application;
FIG. 2 is a schematic diagram of the structure of the pay-off-line side apparatus in the embodiment of the present application;
FIG. 3 is a cross-sectional view of a dual cable synchronous retraction device in accordance with an embodiment of the present application;
FIG. 4 is a schematic diagram of a tension measurement module according to an embodiment of the present application;
FIG. 5 is a schematic diagram of a speed measurement module in an embodiment of the application;
FIG. 6 is a schematic view of a structure of a connecting plate device according to an embodiment of the present application;
FIG. 7 is a schematic view of a clockwise deflection of the web assembly in accordance with an embodiment of the present application;
FIG. 8 is a schematic diagram illustrating counterclockwise deflection of the web assembly in an embodiment of the application;
fig. 9 is an electrical schematic block diagram of an embodiment of the present application.
Reference numerals: 100-paying-off side equipment, 200-connecting plate devices, 300-take-up side equipment, 0-rack, 1-double friction reels, 2-servo systems, 3-encoders, 31-upper pinch wheels, 32-lower pinch wheels, 33-pinch cylinders, 4-tension sensors, 5-force measuring wheels, 6-connecting plate assemblies, 7-laser ranging sensors, 8-deflection beams, 9-reference plates, 10-double cable synchronous take-up and pay-off devices, 11-sun gear wheel shafts, 12-first planet gears, 12 '-second planet gears, 13-first planet outer ring gears, 13' -second planet outer ring gears, 14-first planet row output shafts, 14 '-second planet row output shafts, 15-first reel pinions, 15' -second reel pinions, 17-slewing bearing gears and 18-slewing bearing pinions.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The utility model provides a photovoltaic module intelligence installation control equipment, is shown in fig. 1, includes unwrapping wire side equipment 100, connecting plate device 200, receives line side equipment 300, unwrapping wire side equipment 100 is connected through two steel strands with connecting plate device 200, receive line side equipment 300 is connected through two wire ropes with connecting plate device 200. When the intelligent installation control equipment for the photovoltaic module operates, the paying-off side equipment 100 pays out the steel strands, the wire winding side equipment 300 withdraws the steel wires, the steel wires and the steel strands drive the connecting plate device 200 to move from the paying-off side equipment 100 side to the wire winding side equipment 300 side, and the installation and the fixation of the photovoltaic module are completed in the process.
As shown in fig. 2 and 3, the pay-off side device 100 comprises a rack 0 which is symmetrically arranged, wherein a servo system 2 is arranged on the rack 0, and the servo system 2 comprises a first servo motor and a second servo motor; the two sides of the frame 0 are respectively connected with a double-friction winding drum 1 in a rotating way, the double-friction winding drums 1 are connected in a meshed way through a double-cable synchronous winding and unwinding device 10, and the servo system 2 drives the double-cable synchronous winding and unwinding device 10 to drive the double-friction winding drums 1 to pay off. The winding side equipment is identical to the paying-off side equipment, the winding side equipment is symmetrically arranged, and a servo system of the winding side equipment drives the double-friction winding drum to wind.
The double-cable synchronous winding and unwinding device 10 comprises a sun gear wheel shaft 11, sun gear wheels are arranged at two sides of the sun gear wheel shaft 11, the sun gear wheel shaft 11 is connected to the frame 0, the sun gear wheels at two sides of the sun gear wheel shaft 11 are respectively connected with a first output structure and a second output structure, the sun gear wheel shaft 11 is connected with a first servo motor through a speed reducer, the first servo motor provides power for the sun gear wheel 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 connected with double friction winding drums 1 at two sides of the frame 0 in a meshed mode; 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 gear 12, a first planet outer ring gear 13 and a first planet row output shaft 14, wherein the first planet gear 12 is meshed with a sun gear, the first 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 first planet outer ring gear 13 is meshed with the first planet gear 12; the small gear ring of the first planet outer ring gear 13 is in meshed connection with a first planet row output shaft 14, and the first planet row output shaft 14 is coaxial with the sun gear wheel 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 in meshed connection with the double friction reel 1; optionally, a plurality, for example 2, 3, 4, of first planet gears 12 are provided, and the plurality of first planet gears 12 are uniformly distributed around the sun gear shaft 11 in the circumferential direction.
The fine adjustment structure comprises a slewing bearing gear 17, the slewing bearing gear 17 is connected to a sun gear wheel shaft 11, and the shaft of the first planet gear 12 is connected to the inner side wall of the slewing bearing 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 frame 0, and the slewing bearing gear 17 is connected with the 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', a second planet row output shaft 14', the second planet wheel 12' is meshed with the sun gear, and the shaft of the second planet wheel 12' is connected with the frame 0; the second planetary 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 planetary outer ring gear 13' is meshed with the second planetary gear 12 '; the small gear ring of the second planet outer ring gear 13' is in meshed connection with a second planet row output shaft 14', and the second planet row output shaft 14' is coaxial with a sun gear wheel 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 gears 12', the second planet outer ring gear 13', and the second planet row output shaft 14 'are the same as the first planet gears 12, the first planet outer ring gear 13, and the first planet row output shaft 14, respectively, in terms of size parameters, and the number of the second planet gears 12' is the same as the number of the first planet gears 12.
The first servo motor drives the sun gear wheel shaft 11 to rotate, the sun gear wheel shaft provides larger torque for the whole device, the larger torque is transmitted to the double friction winding drum through gears to provide power for the double friction winding drum, and meanwhile, the double friction winding drums on two sides of the frame 0 are driven to move; the second servo motor drives the slewing bearing pinion 18 to rotate, the slewing bearing pinion 18 provides smaller torque to finely adjust the first planet row output gear, so that the rotating speed and the torque of the double friction reels at the side are influenced, the paying-off speed of the double friction reels at the two sides of the rack is adjusted, and the same paying-off speed of the double friction reels at the two sides of the rack is ensured.
The rear end of the frame 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 frame, one end of the tension sensor 4 is installed on the central shaft of the force measuring wheel 5, the other end of the tension sensor is fixed to the frame, the 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 also generates tension in a corresponding proportion and transmits the tension to the tension sensor 4, and therefore the tension of the steel strand is measured.
The speed measurement module is arranged between the double-friction winding drum and the tension measurement module, as shown in fig. 5, the speed measurement module comprises an encoder 3, an upper pressing wheel 31, a lower pressing wheel 32 and a pressing cylinder 33, the upper pressing wheel 31 is connected with the encoder 3 through a coupling, the upper pressing wheel 31 is abutted with the lower pressing wheel 32, a steel strand passes through a gap between the upper pressing wheel 31 and the lower pressing wheel 32, the pressing cylinder 33 acts on the lower pressing wheel 32, and the lower pressing wheel 32 is pushed to be matched with the upper pressing wheel 31 to press the steel strand. The steel strand drives the upper pinch roller 31 to rotate through friction when moving, meanwhile, the encoder 3 obtains a signal, and the encoder 3 converts the signal into the wire outgoing speed of the steel strand at both sides of the pay-off side.
The connecting plate device is shown in fig. 6, and comprises two connecting plate assemblies 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 movement displacement of the connecting plate assemblies 6 at the two sides is different, the deflection beam 8 deflects relative to the connecting plate assemblies 6; the device further comprises a reference plate 9 and a laser ranging sensor 7, wherein one end of the reference plate 9 is vertically 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 pointed by 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 or not. As shown in fig. 7 and 8, when the two link plate assemblies 6 are deflected, the distance between the free end of the reference plate 9 and the laser ranging sensor 7 changes.
One end of the steel strand is led out from the outer rope storage device at the paying-off side, sequentially 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, 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 and the tension measuring module of the wire winding side equipment, and the double friction winding drum of the wire winding side equipment is fixed on the wire winding side external rope storage device.
The device comprises a wire paying-off control unit, a wire winding control unit and a PLC control unit, wherein the wire paying-off control unit and the wire winding 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 ranging sensor 7 of the connection board device, and the servo system 2, and the PLC control unit receives the signals transmitted by the encoder 3, the tension sensor 4, and the laser ranging sensor 7, performs logic operation, and comprehensively outputs pulse signals to the servo system 2, and 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 dual-friction winding drum 1 through the dual-cable synchronous winding and unwinding device 10, so that the winding and unwinding synchronization of the dual-friction winding drum 1 on both sides and the installation of the photovoltaic panel are ensured not to deflect.
The application method of the intelligent installation control device for the photovoltaic module comprises the following steps:
s1, stay wire: one end of the steel strand is led out from the outer rope storage device at the paying-off side, sequentially 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, 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 wire winding side external rope storage device;
s2, starting a device switch to ensure that the steel strand/wire rope reaches the required tension;
s3, after the steel strand wires/steel wire ropes are pre-tightened, the servo system drives the double-friction winding drum to synchronously rotate so as to realize continuous advance of the steel strand wires;
s4, a deflection detection module of the connecting plate device monitors whether deflection occurs to the two connecting plate assemblies, a tension measurement module measures the tension of the steel strand wires/steel wire ropes, and a speed measurement module measures the wire outgoing/wire taking-up speeds of the steel strand wires/steel wire ropes; the PLC control unit receives signals transmitted by the encoder, the tension sensor and the laser ranging sensor, performs logic operation, comprehensively outputs pulse signals to the servo system, and 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 at one side through the double-cable synchronous winding and unwinding device to ensure that the winding and unwinding of the double-friction winding drum at two sides are synchronous and the installation of the photovoltaic panel is not deflected.
In step S4, specifically, for clarity of explanation, the left side of the connection board device in fig. 7 and 8 is set as the pay-off side, the right side is set as the take-up side, the steel strand at the upper end of the pay-off side is denoted as a, the steel strand at the lower end of the pay-off side is denoted as C, the steel wire rope at the upper end of the take-up side is denoted as B, and the steel wire rope at the lower end of the take-up side is denoted as D.
F A 、F B 、F C And F D The tensile forces, represented by A, B, C and D, respectively, can be measured by the tension sensor 4 and the force measuring wheel 5.
When the deflection of the angle is adjusted, the aim of eliminating the deflection of the connecting plate device, namely the photovoltaic panel, is achieved by adjusting the releasing/collecting of the cables at the end A and the end B, and the end C and the end D are not adjusted. The first servo motor of pay-off side equipment works normally, the tension of the steel wire at the end A is adjusted by controlling the forward rotation or the reverse rotation of the second servo motor of pay-off side equipment, the first servo motor of take-up side equipment works normally, and the tension of the steel wire at the end B is adjusted by controlling the forward rotation or the reverse rotation of the second servo motor of take-up side equipment.
After the angle deflection is eliminated, the control of the tension of the steel stranded wires and the position of the photovoltaic panel is achieved by integrally controlling the winding and unwinding of the winding side and unwinding side servo systems.
Specifically, when the web assembly is deflected clockwise as shown in FIG. 7, it can be divided into two cases F A >F C And F A <F C ：
F A >F C When the tension device is used, the rope winding speed of the winding drum at the end B can be reduced, the purpose of eliminating the deflection angle is achieved, and meanwhile, the tension at the end A can be reduced.
F A <F C When the tension device is used, the rope releasing speed of the winding drum at the end A can be reduced, the purpose of eliminating the deflection angle is achieved, and meanwhile, the tension at the end A can be increased.
When the web assembly is deflected counterclockwise as shown in fig. 8, it can be divided into two cases F A >F C And F A <F C :
F A >F C When the tension device is used, the rope releasing speed of the A-end winding drum can be increased, the purpose of eliminating deflection angles is achieved, and meanwhile, the tension of the A-end can be reduced.
F A <F C When the tension device is used, the rope winding speed of the winding drum at the end B can be increased, the purpose of eliminating the deflection angle is achieved, and meanwhile, the tension at the end A can be increased.
Of course, the present application is capable of other various embodiments and its several details are capable of modification and variation in light of the present application by one skilled in the art without departing from the spirit and scope of the application as defined in the appended claims.
Claims (10)
1. Photovoltaic module intelligence installation control equipment, its characterized in that: the paying-off device comprises paying-off side equipment (100), a connecting plate device (200) and wire collecting side equipment (300), wherein the paying-off side equipment (100) is connected with the connecting plate device (200) through two steel strands, and the wire collecting side equipment (300) is connected with the connecting plate device (200) through two steel wires;
the paying-off side equipment (100) and the reeling side equipment (300) respectively comprise symmetrically arranged frames (0), and servo systems (2) are respectively arranged on the frames (0); the two sides of the frame (0) are respectively connected with a double-friction winding drum (1) in a rotating way, the double-friction winding drums (1) are connected in a meshed way through a double-cable synchronous winding and unwinding device (10), and the servo system (2) drives the double-cable synchronous winding and unwinding device (10) to drive the double-friction winding drums (1) to pay out or take up wires;
the connecting plate device (200) comprises two connecting plate assemblies (6), one end of each connecting plate assembly (6) is connected with a steel strand, the other end of each connecting plate assembly is connected with a steel wire rope, a deflection beam (8) is hinged between the two connecting plate assemblies (6), and the connecting plate device further comprises a deflection detection module, wherein the deflection detection module is used for detecting whether the connecting plate assemblies (6) deflect or not;
the device also comprises a PLC control unit which is in communication connection with the deflection detection module and the servo system (2) and is used for receiving signals transmitted by the deflection detection module, calculating the signals and outputting pulse signals to the servo system, wherein 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 photovoltaic module intelligent installation control device according to 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 vertically connected to the inner side of one connecting plate assembly (6), the other end of the reference plate is a free end and points to the other connecting plate assembly, the laser ranging sensor (7) is fixed on the connecting plate assembly pointed by 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 assemblies (6) deflect or not.
3. The photovoltaic module intelligent installation control device according to claim 1, wherein: the double-cable synchronous winding and unwinding device (10) comprises a sun gear wheel shaft (11), sun gear wheels are arranged on two sides of the sun gear wheel shaft (11), the sun gear wheel shaft (11) is connected to the frame (0), the sun gear wheels on two sides of the sun gear wheel shaft (11) are respectively connected with a first output structure and a second output structure, the sun gear wheel 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 wheel 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 connected with double friction reels (1) on two sides of the frame (0) in a meshed mode; 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 photovoltaic module intelligent installation control device according to claim 3, characterized in that: 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), wherein the first planet wheel (12) is meshed with a sun gear, the first 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 first planet outer ring gear (13) is meshed with the first planet wheel (12); the small gear ring of the first planet outer ring gear (13) is connected with a first planet row output shaft (14) in a meshed manner, and the first planet row output shaft (14) is coaxial with the sun gear wheel 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 in meshed connection with the double-friction reel (1);
the fine adjustment structure comprises a slewing bearing gear (17), the slewing bearing gear (17) is connected to a sun gear wheel shaft (11), and the shaft of the first planet gear (12) is connected to the inner side wall of the slewing bearing 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 frame (0), and the slewing bearing gear (17) is connected with the 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 gear, and the shaft of the second planet wheel (12 ') is connected with the frame (0); the second planetary 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 planetary outer ring gear (13 ') is meshed with the second planet gear (12 '); the small gear ring of the second planet outer ring gear (13 ') is in meshed connection with a second planet row output shaft (14 '), and the second planet row output shaft (14 ') is coaxial with a sun gear wheel 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).
5. The intelligent photovoltaic module mounting control device of claim 4, wherein: the second planet gears (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 gears (12), the first planet outer ring gear (13) and the first planet row output shaft (14) respectively.
6. The photovoltaic module intelligent installation control device according to claim 1, wherein: the tension measuring device comprises a frame, and is characterized in that a tension measuring module is arranged at the rear end of the frame and comprises a force measuring wheel (5) and a tension sensor (4), wherein the force measuring wheel (5) is fixedly connected to one side of the frame, one end of the tension sensor (4) is arranged on a central shaft of the force measuring wheel (5), the other end of the tension sensor is fixed to the frame, a steel strand bypasses the force measuring wheel (5), and the tension measuring module is used for measuring tension when the steel strand is wound and unwound.
7. The intelligent photovoltaic module mounting control apparatus of claim 6, wherein: a speed measurement module is arranged between the tension measurement module and the connecting plate device and is fixed on the frame, the speed measurement module comprises an encoder (3), an upper pressing wheel (31), a lower pressing wheel (32) and a pressing cylinder (33), the upper pressing wheel (31) is connected with the encoder (3) through a coupling, the upper pressing wheel (31) is abutted with the lower pressing wheel (32), a steel strand passes through a gap between the upper pressing wheel (31) and the lower pressing wheel (32), and the pressing cylinder (33) acts on the lower pressing wheel (32) to push the lower pressing wheel (32) to be matched with the upper pressing wheel (31) to press the steel strand; the steel strand drives 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 outgoing speeds of the steel strand on two sides of the pay-off side.
8. The intelligent photovoltaic module mounting control apparatus of claim 7, wherein: the PLC control unit is in communication connection with the encoder (3) of the speed measurement module and the tension sensor (4) of the tension measurement 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 mounting 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. A method for using the intelligent photovoltaic module installation control device according to claim 8, characterized in that: the method comprises the following specific steps:
s1, stay wire: one end of the steel strand is led out from the outer rope storage device at the paying-off side, sequentially 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, 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 wire winding side external rope storage device;
s2, starting a device switch to ensure that a steel strand or a steel wire rope reaches a required pulling force;
s3, after the steel strand or the steel wire rope is pre-tensioned, the servo system drives the double-friction winding drum to synchronously rotate so as to realize continuous advance of the steel strand;
s4, a deflection detection module of the connecting plate device monitors whether deflection occurs to the two connecting plate assemblies, a tension measurement module measures the tension of the steel stranded wires or the steel wire ropes, and a speed measurement module measures the wire outgoing or wire taking-up speed of the steel stranded wires or the steel wire ropes; the PLC control unit receives signals transmitted by the encoder, the tension sensor and the laser ranging sensor, performs logic operation, comprehensively outputs pulse signals to the servo system, and 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 to ensure that the winding and unwinding of the double-friction winding drum on two sides are synchronous and the installation of the photovoltaic panel is not deflected.
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| CN115069468A (en) * | 2022-06-15 | 2022-09-20 | 浙江雅阁集成吊顶股份有限公司 | Automatic embossing and spraying equipment for aluminum gusset plate |
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