CN-122028538-A - Typesetting correction system for photovoltaic module battery strings

CN122028538ACN 122028538 ACN122028538 ACN 122028538ACN-122028538-A

Abstract

The application provides a typesetting correction system of a photovoltaic module battery string, which comprises a conveying and positioning module, a closed-loop correction module, a typesetting module and a cooperative control unit, wherein the conveying and positioning module is used for receiving and conveying battery pieces and applying positioning constraint to the battery pieces in the conveying process, the closed-loop correction module is used for collecting images of the battery pieces conveyed by the conveying and positioning module and correcting the positions and postures of the battery pieces based on collected image information, the typesetting module is used for receiving the corrected battery pieces, setting typesetting intervals by adjusting the postures of bearing surfaces of the corrected battery pieces and fixing the battery pieces, and the cooperative control unit is respectively connected with the conveying and positioning module, the closed-loop correction module and the typesetting module through signals and used for cooperatively controlling the positioning constraint action of the conveying and positioning module, the correction action of the closed-loop correction module and the posture adjustment and fixing action of the typesetting module according to the image information collected by the closed-loop correction module. By the method and the device, the positioning accuracy of typesetting of the battery pieces is improved.

Inventors

ZHANG XIANQIN
XU YAO
Qiao le
FU MINGQUAN
XU ZHIQUN

Assignees

广州高景太阳能科技有限公司
四川高景太阳能科技有限公司

Dates

Publication Date: 20260512
Application Date: 20260209

Claims (10)

1. A typesetting correction system for a photovoltaic module battery string is characterized by comprising a conveying and positioning module, a closed-loop correction module, a typesetting module and a cooperative control unit which are sequentially arranged along the direction of a production line, The conveying and positioning module is used for receiving and conveying the battery pieces and applying positioning constraint to the battery pieces in the conveying process; The closed loop correction module is used for collecting images of the battery pieces conveyed by the conveying and positioning module and driving the execution mechanism to correct the positions and the postures of the battery pieces based on the collected image information; The typesetting module is used for receiving the corrected battery pieces, setting typesetting intervals by adjusting the pose of the bearing surface of the battery pieces and fixing the battery pieces; The cooperative control unit is respectively connected with the conveying positioning module, the closed-loop correction module and the typesetting module in a signal manner and is used for cooperatively controlling the positioning constraint action of the conveying positioning module, the correction action of the closed-loop correction module and the pose adjustment and fixing action of the typesetting module according to the image information acquired by the closed-loop correction module.
2. The system for correcting the typesetting of the photovoltaic module battery string according to claim 1, wherein the conveying and positioning module comprises a double-rail sliding platform and a magnetic driving and positioning device, The double-rail sliding platform comprises two guide rails which are arranged in parallel and have adjustable intervals; The magnetic driving positioning device comprises a plurality of electromagnets which are embedded in the inner side of the guide rail, and each electromagnet is configured to generate magnetic force through independently controlled on-off so as to adsorb the edge of the battery piece.
3. The system for correcting the typesetting of a photovoltaic module cell string according to claim 2, wherein the plurality of electromagnets are arranged in an array, Wherein the cooperative control unit is configured to: the on-off of electromagnets at different positions in the array is selectively controlled so as to perform self-adaptive adsorption positioning on the edges of the battery pieces with different sizes.
4. The photovoltaic module string layout correction system of claim 1, wherein the closed loop correction module comprises at least one set of industrial cameras, The at least one group of industrial cameras are arranged at the output end of the conveying and positioning module and are used for capturing images of the passing battery pieces so as to acquire the position and posture information of the battery pieces.
5. The system of claim 2, wherein the actuator comprises a plurality of pneumatic pushrods and a rotary pneumatic clamp, Wherein the plurality of pneumatic push rods are driven by the air cylinder and are arranged at the side and the end part of the battery piece conveying path so as to be capable of contacting and pushing the battery pieces from at least two directions; the rotary pneumatic clamp comprises an openable clamping part and a driving device for driving the clamping part to rotate, and is configured to clamp the battery piece and drive the battery piece to rotate around an axis perpendicular to a typesetting plane so as to correct the angle posture of the battery piece.
6. The system of claim 5, wherein the typesetting module comprises a liftable bearing substrate, a pose adjusting mechanism for driving the bearing substrate to lift and an adsorption fixing mechanism for fixing the battery piece, The pose adjusting mechanism comprises a plurality of synchronously moving hydraulic rods, and the driving ends of the hydraulic rods are connected with the bottom of the bearing substrate; the adsorption fixing mechanism comprises a plurality of adsorption holes formed in the surface of the bearing substrate and a vacuum generating device communicated with all the adsorption holes.
7. The system for typesetting correction of photovoltaic module cell strings according to claim 6, wherein the surface of the carrier substrate is provided with a microprotrusion structure group for positioning in contact with the bottom surface of the cell, and each microprotrusion in the microprotrusion structure group is integrally formed on the surface of the carrier substrate by a laser engraving process.
8. The system of claim 7, wherein the cooperative control unit comprises a programmable logic controller and a typesetting algorithm module integrated therewith, The programmable logic controller is configured to execute the typesetting algorithm module to process the image information of the closed-loop correction module and generate action instructions for coordinated control of the conveying and positioning module, the closed-loop correction module and the typesetting module.
9. The photovoltaic module cell string layout correction system according to claim 8, wherein the cooperative control unit is configured to perform the following processing: calculating the position deviation and the angle deviation of the battery piece relative to the target typesetting position according to the image information; generating a first control instruction for selectively controlling on-off of one or more electromagnets in the magnetic drive positioning device and/or generating a second control instruction for driving one or more pneumatic push rods to perform corresponding directional displacement according to the position deviation; Generating a third control instruction for driving the rotary pneumatic clamp to rotate at a corresponding angle according to the angle deviation; after the position and angle correction of the battery piece is confirmed, a fourth control instruction for driving the pose adjusting mechanism to move to a set typesetting distance and a fifth control instruction for starting the adsorption fixing mechanism are generated.
10. The system of claim 2, wherein the dual-rail sliding platform further comprises a spacing adjustment mechanism, The distance adjusting mechanism comprises a driving part and a transmission part, wherein the driving part is connected with two guide rails through the transmission part at the same time so as to drive the two guide rails to synchronously move in opposite directions or back to straight line.

Description

Typesetting correction system for photovoltaic module battery strings Technical Field The application relates to the technical field of photovoltaic modules, in particular to a typesetting correction system for a photovoltaic module battery string. Background In the field of photovoltaic module manufacturing, accurate typesetting of battery strings is a key process for guaranteeing module performance and reliability. At present, battery string typesetting equipment commonly adopted in the industry mainly relies on a fixed conveying track to carry out the transmission and the positioning of battery pieces. The conventional equipment has the remarkable technical limitations that firstly, the positioning accuracy is insufficient, and due to the lack of the functions of real-time detection and dynamic correction in the transmission process, the battery pieces are easy to generate accumulated offset, so that typesetting errors are usually more than +/-1.0 mm, and the component performance is affected. Secondly, equipment mechanical structure is fixed, and the compatibility is poor, and the battery piece of different sizes of difficult quick adaptation also can't satisfy special technological requirements such as "negative interval", and the adjustment is consuming time when the product is remodelled, influences production efficiency. Moreover, the existing scheme depends on complex high-precision sensors or multi-axis mechanical arms, so that the system is high in cost, complex in structure, difficult to maintain and high in failure rate, and the stable operation and economy of the production line are restricted. Disclosure of Invention Accordingly, an objective of the present application is to provide a system for typesetting and correcting a string of photovoltaic modules, which overcomes at least one of the above-mentioned drawbacks. The embodiment of the application provides a typesetting correction system for a photovoltaic module battery string, which comprises a conveying and positioning module, a closed-loop correction module, a typesetting module and a cooperative control unit, wherein the conveying and positioning module, the closed-loop correction module, the typesetting module and the cooperative control unit are sequentially arranged along the direction of a production line, the conveying and positioning module is used for receiving and conveying battery pieces and applying positioning constraint to the battery pieces in the conveying process, the closed-loop correction module is used for collecting images of the battery pieces conveyed by the conveying and positioning module and correcting the positions and the postures of the battery pieces based on collected image information, the typesetting module is used for receiving the corrected battery pieces, setting typesetting intervals are set through adjusting the postures of bearing surfaces of the battery pieces, and the cooperative control unit is respectively connected with the conveying and positioning module, the closed-loop correction module and the typesetting module in a signal mode and is used for cooperatively controlling the positioning constraint action of the conveying and the correction action of the closed-loop correction module and the posture adjustment and the fixing action of the typesetting module according to the image information collected by the closed-loop correction module. In an alternative embodiment of the application, the conveying and positioning module comprises a double-rail sliding platform and a magnetic driving and positioning device, wherein the double-rail sliding platform comprises two guide rails which are arranged in parallel and have adjustable intervals, the magnetic driving and positioning device comprises a plurality of electromagnets which are embedded in the inner side of the guide rails, and each electromagnet is configured to generate magnetic force through independently controlled on-off so as to adsorb the edges of the battery pieces. In an alternative embodiment of the application, the electromagnets are arranged in an array, wherein the cooperative control unit is configured to perform self-adaptive adsorption positioning on the edges of the battery slices with different sizes by selectively controlling the on-off of the electromagnets at different positions in the array. In an alternative embodiment of the present application, the closed loop correction module includes at least one set of industrial cameras, where the at least one set of industrial cameras is disposed at an output end of the conveying and positioning module, and is configured to capture an image of a passing battery slice, so as to obtain position and posture information of the battery slice. In an alternative embodiment of the application, the actuating mechanism in the closed loop correction module comprises a plurality of pneumatic push rods and a rotary pneumatic clamp, wherein the pneumatic push rods are driven by air cylinder