CN114993238A - Photovoltaic module flatness detection device and detection method thereof - Google Patents
Photovoltaic module flatness detection device and detection method thereof Download PDFInfo
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- CN114993238A CN114993238A CN202210625394.4A CN202210625394A CN114993238A CN 114993238 A CN114993238 A CN 114993238A CN 202210625394 A CN202210625394 A CN 202210625394A CN 114993238 A CN114993238 A CN 114993238A
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- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/30—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring roughness or irregularity of surfaces
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The invention discloses a photovoltaic module flatness detection device and a detection method thereof, wherein the detection device consists of a conveying mechanism, a lifting mechanism, a height adjusting mechanism and a detection mechanism, the detection device is integrally installed on a workbench through a fixing plate, a bottom plate is arranged above the fixing plate, a transverse groove is formed in the center of the bottom plate, the conveying mechanism and the lifting mechanism are arranged in the groove, the detection mechanism is positioned above the conveying mechanism, and at least two detection devices are arranged and are respectively used for detecting the upper surface and the lower surface of a photovoltaic module; turning device is located between two detection device, turning device comprises upset support and returning face plate, and the returning face plate is close to upset support bottom and swivelling joint on the recess lateral wall, and return spring is installed at returning face plate pivot both ends. According to the invention, flatness detection of the upper surface and the lower surface of the photovoltaic module is completed on the photovoltaic module production line through the unpowered turnover device, defective products are detected and sorted in time, the product percent of pass is improved, and the labor cost is reduced.
Description
Technical Field
The invention relates to the technical field of solar photovoltaics, in particular to a photovoltaic module flatness detection device and a detection method thereof.
Background
In the process of producing a solar photovoltaic module, a very important process is carried out when the laminating device is used for carrying out laminating processing on a well-laminated module, a plurality of enterprises in the market place the module on a feeding device of the laminating device directly through manual operation of workers or a flow line mode, if the flatness of a silicon wafer and a back plate does not meet the assembly requirement or an EVA film adhesive is not completely processed, an unsightly pit can be formed on the back plate, and the pit can cause the subfissure of a battery plate in the module, so that the qualification rate of the photovoltaic module is influenced. At present, the flatness of photovoltaic products is mostly detected through third party detection mechanism or check out test set, and the detection cycle of detection mechanism is long, and check out test set is mostly high accuracy laser detector, increases manufacturing cost, consequently needs a device to carry out the detection of flatness to photovoltaic products, in time detects out the defective products, guarantees product quality.
Disclosure of Invention
According to the technical problem to be solved, the flatness detection device and the detection method for the photovoltaic module are provided, flatness detection of the front side and the back side of the photovoltaic module is completed on a photovoltaic module production line through the unpowered turnover device, defective products are detected and sorted in time, the product percent of pass is improved, and labor cost is reduced.
In order to achieve the purpose, the invention discloses a photovoltaic module flatness detection device, which comprises a detection device, wherein the detection device is composed of a conveying mechanism, a lifting mechanism, a height adjusting mechanism and a detection mechanism, the detection device is integrally installed on a workbench through a fixed plate, a bottom plate is arranged above the fixed plate, guide rods are fixed at four corners above the bottom plate, a top plate is fixed at the top end of each guide rod, a movable plate sleeved on the guide rods is arranged below the top plate and connected with the movable plate through a screw rod and a threaded sleeve, a transverse groove is formed in the center of the bottom plate, the conveying mechanism and the lifting mechanism are arranged in the groove, the detection mechanism is positioned above the conveying mechanism, the detection mechanism comprises a standard detection plate fixed on the bottom plate and a detection head fixed below the movable plate, the detection head transversely moves through a sliding groove, the sliding groove is fixed at the bottom of the movable plate, at least two detection devices are arranged, the detection device is used for detecting the upper surface and the lower surface of the photovoltaic module respectively;
turning device is located between two detection device, turning device comprises upset support and returning face plate, and the upset support is the nearly triangle-shaped hollow out construction that the height about low, and central point puts and set up the recess parallel with the inclined plane, the returning face plate is close to upset support bottom and swivelling joint on the recess lateral wall, and return spring is installed at returning face plate pivot both ends.
Further, conveying mechanism is including the conveyer belt that is located detection device feed end and the transport roller that is located bottom plate recess top, carry the roller longitudinal rotation to connect on the recess lateral wall to in the recess of distribution bottom plate along direction of delivery equidistance, the conveyer belt upper surface is in same horizontal plane with transport roller upper surface.
Furthermore, the lifting mechanism is composed of at least four groups of lifting cylinders, the lifting cylinders comprise at least two groups of lifting cylinders and at least two groups of auxiliary cylinders, the lifting cylinders and the auxiliary cylinders are symmetrically distributed in the groove along the conveying direction, the lifting cylinders are vertically fixed on the bottom surface of the groove, the two groups of cylinders transversely arranged and the conveying roller are distributed at intervals, and the height of the ejector rod of each lifting cylinder in a contraction state is lower than that of the upper surface of the conveying roller.
Furthermore, at least two sets of L-shaped pneumatic baffles which are symmetrically distributed are arranged on the bottom plates on two sides of the center of the conveying mechanism, pneumatic connectors are connected below the pneumatic baffles, the minimum distance between the pneumatic baffles is smaller than the minimum width of the photovoltaic module, the maximum distance between the pneumatic baffles is larger than the maximum width of the photovoltaic module, and a pressure sensor is arranged at the front end of the inner side of each pneumatic baffle and electrically connected with the lifting mechanism.
Furthermore, two groups of sliding grooves which are the same as the conveying direction are fixed below the movable plate, limit switches are arranged at two ends of each sliding groove, a transverse track is formed in each sliding groove, a detection head is arranged in each track and consists of a plurality of longitudinally arranged displacement sensors, each detection head is driven by a servo motor and moves back and forth along the track direction, the standard detection plate is fixed on the bottom plate through an upright post, a rectangular groove is formed in the lower surface of the standard detection plate, magnetic switches are arranged at four corners of the top of each groove respectively, and the magnetic switches are electrically connected with the detection heads.
Furthermore, the height adjusting mechanism consists of a top plate, a movable plate, a guide rod, a screw rod and a hand crank, wherein the hand crank is fixed at the top of the screw rod, the top of the screw rod is connected with the top plate, the other end of the screw rod is connected with the movable plate through a threaded sleeve, and the movable plate moves along the vertical direction of the guide rod.
Furthermore, a downward inclined chute is formed in the rear of the bottom plate, and a guide roller is arranged at the top end of the chute.
Furthermore, the turnover plate comprises a first baffle plate and a second baffle plate which are perpendicular to each other, a rotating shaft is arranged at the joint of the first baffle plate and the second baffle plate, a weight reduction groove is formed in the second baffle plate, the thickness of the second baffle plate is not more than the depth of the groove of the turnover support, and a plurality of guide rollers which are distributed at equal intervals are arranged on the inclined planes of two sides of the turnover support.
Further, the detection accuracy of the detection device is related to the number of displacement sensors, the detection frequency of the displacement sensors, and the moving speed of the detection head.
A flatness detection method for a photovoltaic module comprises the following steps:
s01, determining relevant parameters such as the installation distance of the pneumatic baffle and the height of the detection mechanism according to the size of the photovoltaic module;
s02, the photovoltaic module moves to a pneumatic baffle trigger signal, the lifting mechanism lifts the photovoltaic module to be in contact with the bottom surface of the standard detection plate, the detection head moves from the original position to the other side and periodically collects data, and the data are transmitted to the control center to be processed and judge whether the flatness of the upper surface of the product is qualified or not;
s03, if the upper surface is qualified, the lifting cylinder descends until the photovoltaic module contacts the conveying roller, the lifting cylinder continues to advance to reach the turnover device, the photovoltaic module abuts against the turnover plate to be convex, the turnover plate is turned over to the conveying belt through gravity, flatness detection of the lower surface is continued, and the step is the same as S02;
s04, if the upper surface is unqualified, the auxiliary cylinder in the lifting cylinder descends first, the photovoltaic module slides backwards in an inclined mode, the photovoltaic module moves to a defective product processing area through the guide roller, and then the lifting cylinder descends;
and S05, finishing detection.
Compared with the prior art, the invention has the following beneficial effects:
1. the unpowered turnover device is used for automatically turning over the product, manual operation is reduced, and detection efficiency is improved;
2. the detection device can detect the flatness of the photovoltaic modules with different sizes and thicknesses, is convenient to adjust and has a wide application range;
3. can sort qualified products and defective products, and facilitate subsequent processing of operators.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic view of a single detecting device according to the present invention.
FIG. 3 is a schematic view of another direction of the single detecting device of the present invention.
FIG. 4 is a cross-sectional view of a single detection device of the present invention.
Fig. 5 is an enlarged view a of a portion of fig. 3 of the present invention.
Fig. 6 is a schematic structural diagram of the turning device of the present invention.
In the figure: 1 is a workbench; 2 is a detection device; 3 is a turnover device;
21 is a fixed plate; 22 is a bottom plate; 23 is a conveying mechanism; 231 is a conveying belt; 232 is a conveying roller; 24 is a pneumatic baffle; 25 is a detection mechanism; 251 is a standard detection board; 252 is a chute; 253 is a detection head; 254 is a limit switch; 26 is a height adjusting mechanism; 261 is a guide rod; 262 is a movable plate; 263 a top plate; 264 is a hand crank; 265 is a screw; 266 is a threaded sleeve; 27 is a lifting mechanism; 271 is a lifting cylinder; 272 is an auxiliary cylinder; 28 is a guide roller;
31 is a turning bracket; 32 is a turnover plate; 321 is a first baffle; 322 is a second baffle; and 33 is a guide roller.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 scope of the present invention.
In the first embodiment of the present invention, as shown in fig. 1 and fig. 2, the detecting device 2 is composed of a conveying mechanism 23, a lifting mechanism 27, a height adjusting mechanism 26 and a detecting mechanism 35, the detecting device 2 is integrally mounted on the workbench 1 through a fixing plate 21, a bottom plate 22 is disposed above the fixing plate 21, a guide rod 261 is fixed at four corners above the bottom plate 22, a top plate 263 is fixed at the top end of the guide rod 261, a movable plate 262 sleeved on the guide rod 261 is disposed below the top plate 263, a transverse groove is disposed at the center of the bottom plate 22 for transverse movement of the detecting head 253, the conveying mechanism 23 and the lifting mechanism 27 are disposed in the groove, the detecting mechanism 25 is disposed above the conveying mechanism 23, the detecting mechanism 25 includes a standard detecting plate 251 fixed on the bottom plate 22 and a detecting head 253 fixed below the movable plate 262, the detecting head 253 transversely moves through a sliding groove 252, the sliding groove 252 is fixed at the bottom of the movable plate 262, the detection device 2 is at least provided with two detection devices which are respectively used for detecting the upper surface and the lower surface of the photovoltaic module, the detection device can be arranged on a photovoltaic module production line, flatness detection work can be completed while production and transportation are carried out, a product does not need to be transferred to a special detection mechanism or equipment, and convenience and rapidness are realized; turning device 3 is located between two detection device 2, turning device 3 comprises upset support 31 and returning face plate 32, upset support 31 is the nearly triangle-shaped hollow out construction that the height in the right side is low in a left side, and central point puts and sets up the recess parallel with the inclined plane, returning spring is installed at returning face plate 32 pivot both ends near upset support 31 bottom and swivelling joint on the recess lateral wall, unpowered turning device, make the returning face plate rotate and overturn the product to the conveyer belt through product gravity, the upset action is finished and is reset through returning spring.
The conveying mechanism 23 comprises a conveying belt 231 at the feed end of the detection device 2 and a conveying roller 232 at the top of the groove of the bottom plate 22, the conveying roller 232 is longitudinally and rotatably connected to the side wall of the groove and is equidistantly distributed in the groove of the bottom plate 22 along the conveying direction, the upper surface of the conveying belt 231 and the upper surface of the conveying roller 232 are positioned on the same horizontal plane, and as a preferred embodiment of the application, the upper surfaces of the conveying belt 231 and the conveying roller 232 are higher than the top surface of the bottom plate 22.
As shown in fig. 5, the lifting mechanism 27 is composed of at least four sets of lifting cylinders, the lifting cylinders include at least two sets of lifting cylinders 271 and at least two sets of auxiliary cylinders 272, the lifting cylinders 271 and the auxiliary cylinders 272 are symmetrically distributed in the groove with respect to the conveying direction, the lifting cylinders are vertically fixed on the bottom surface of the groove, the two sets of cylinders transversely arranged and the conveying roller 232 are distributed at intervals, the height of the ejector rod of the lifting cylinder in a contraction state is lower than the upper surface of the conveying roller 232, the ejector rod of the lifting cylinder in a contraction state is lower than the conveying roller 232, the movement of the photovoltaic module is not affected, the four sets of cylinders simultaneously ascend in the lifting process, the photovoltaic module is lifted to the bottom surface of the standard detection plate 251, according to the detection result, the control center judges that the lifting cylinder simultaneously descends to place the photovoltaic module back to the conveying roller or the auxiliary cylinder 272 firstly descends to convey the photovoltaic module to a defective product processing area through the guide roller 28.
At least two sets of L-shaped pneumatic baffles 24 which are symmetrically distributed are arranged on the bottom plates 22 on two sides of the center of the conveying mechanism 23, pneumatic joints are connected below the pneumatic baffles 24, the limiting and positioning effects on the photovoltaic assembly before detection are achieved through pneumatic control, the minimum distance between the pneumatic baffles 24 is smaller than the minimum width of the photovoltaic assembly, the maximum distance between the pneumatic baffles 24 is larger than the maximum width of the photovoltaic assembly, a pressure sensor is arranged at the front end of the inner side of each pneumatic baffle 24 and electrically connected with the lifting mechanism 27, an action signal is sent to the lifting mechanism 27 after the pressure sensor detects the signal, the limiting effect on the photovoltaic assembly is achieved when the pneumatic baffles 24 are lifted, and the photovoltaic assembly normally moves after the pneumatic baffles descend.
Two groups of sliding grooves 252 which are the same as the conveying direction are fixed below the movable plate 262, two ends of each sliding groove 252 are respectively provided with a limit switch 254 to prevent the detection head 253 from sliding in an overtravel way and improve the safety of the equipment, a transverse track is arranged in each sliding groove 252, the detection head 253 is arranged in each track and consists of a plurality of displacement sensors which are longitudinally arranged, the detection head 253 is driven by a servo motor and moves back and forth along the track direction, the detection head 253 is controlled to move left and right through the forward and reverse rotation of the servo motor and ensures the uniform movement of the detection head 253, the standard detection plate 251 is fixed on the bottom plate 22 through upright posts, a rectangular groove is formed in the lower surface of the standard detection plate 251, the standard detection plate 251 is horizontally placed, the bottom surface is a flatness reference surface and is compared with a photovoltaic module, magnetic switches are respectively arranged at four corners of the top of the groove, and are electrically connected with the detection head 253, as a preferred embodiment of the present application, four sets of magnetic switches are provided, and when the four sets of magnetic switches all receive a signal, it indicates that the surface to be monitored of the photovoltaic module has attached to the standard detection board 251, and simultaneously transmits the signal to the detection head 153.
As shown in fig. 6, the turning plate 32 includes a first baffle 321 and a second baffle 322 perpendicular to each other, a rotating shaft is disposed at a joint of the first baffle 321 and the second baffle 322, a weight reduction groove is disposed on the second baffle 322, the weight reduction groove reduces the weight of the turning plate 32, reduces the force for rotating the turning plate 32, makes the rotating process easier, the thickness of the second baffle 322 does not exceed the depth of the groove of the turning support 31, the movement of the photovoltaic module is not affected in the reset state, a plurality of guide rollers 33 are disposed on the inclined surfaces of both sides of the turning support 31, the photovoltaic module moves to the turning plate 32 along the guide rollers 33, when the bottom of the photovoltaic module contacts the first baffle 321, the component force of the self gravity along the inclined plane direction is larger than the force of the deformation of the return spring, so that the turnover plate 32 rotates anticlockwise around the rotating shaft, meanwhile, the second baffle 322 connected with the first baffle 321 synchronously rotates to turn the photovoltaic module.
In the second embodiment of the present invention, as shown in fig. 2 and 4, the height adjusting mechanism 26 is composed of a top plate 263, a movable plate 262, a guide rod 261, a screw 265, and a crank 264, the crank 264 is fixed on the top of the screw 265, the top of the screw 265 is connected with the top plate 263, the other end of the screw 265 is connected with the movable plate 262 through a thread bushing 266, the movable plate 262 moves along the vertical direction of the guide rod 261, an operator rotates the crank 264 to drive the screw 265 to rotate, the screw 265 is matched with the thread bushing 266 fixed on the movable plate 252 to move the movable plate 252 up and down along the guide rod 251, the height of the detecting mechanism 25 is adjusted according to the size of the photovoltaic module before detection, and the application range is wide.
In the third embodiment of the present invention, as shown in fig. 3, an obliquely downward chute is formed in the rear of the bottom plate 22, and a guide roller 28 is disposed at the top end of the chute, when the flatness is detected to be unqualified, the auxiliary cylinder 272 descends first, and the photovoltaic module slides obliquely to one side of the auxiliary cylinder 272 in the process, so that the unqualified product is guided to the defective product processing area by the guide roller 28.
In the fourth embodiment of the present invention, the detection accuracy of the detection device 2 is related to the number of displacement sensors, the detection frequency of the displacement sensors, and the moving speed of the detection head 253, and increasing the number of displacement sensors, increasing the detection frequency of the displacement sensors, or decreasing the detection period of the displacement sensors, and decreasing the moving speed of the detection head can increase the number of detections under the same variable, thereby increasing the detection accuracy.
The working principle of the invention is as follows: after the previous process is completed, the photovoltaic module enters the detection device 2 through the conveyor belt 231, the pneumatic baffle 24 is in a lifting state at the moment, the front end of the photovoltaic module is clamped to stop moving when the photovoltaic module moves to the position of the pneumatic baffle 24, a pressure sensor arranged at the front end of the pneumatic baffle 24 detects a signal and then sends an action signal to the lifting mechanism 27, the air cylinders lift the photovoltaic module until the photovoltaic module contacts the bottom surface of the standard detection plate 251, four groups of magnetic switches below detect the signal, the side surface of the photovoltaic module is attached to the position, the servo motor works to drive the detection head 253 to slide along the track, during the period, the displacement sensor in the detection head 253 periodically collects displacement data and sends the displacement data to the control center, the measured value and the standard value are compared to judge whether the product is qualified, if the flatness of the side surface of the product is qualified, the pneumatic baffle 24 descends, and meanwhile, four groups of air cylinders of the lifting mechanism 27 descend simultaneously, the photovoltaic module is placed back on the conveying roller 232 and continuously moves to the turnover device 3, the photovoltaic module moves to the turnover plate 32 along the guide roller 33, the turnover plate 32 rotates anticlockwise through self weight and turns over a product onto the conveying belt 231, the photovoltaic module continuously moves to finish flatness detection of the other surface of the product, and after the product is separated from the turnover plate 32, the turnover plate 32 is reset through the action of a return spring; if the flatness of the side surface of the product to be detected is unqualified, the auxiliary cylinder 272 descends and the lifting cylinder 271 does not act, the photovoltaic assembly slides in an inclined mode, the photovoltaic assembly is moved to a defective product processing area through the guiding of the guide roller 28 at the rear, then the lifting cylinder 271 descends to the original position, the flatness detection of the upper side and the lower side of the photovoltaic assembly is completed, qualified products and defective products are sorted out, an operator can conveniently conduct subsequent reworking or scrapping, and the yield of the product is improved.
The points to be explained are as follows: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed; second, in this document, relational terms such as first and second, and the like may be used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
The above examples are merely illustrative of the present invention and should not be construed as limiting the scope of the present invention, and all designs identical or similar to the present invention are within the scope of the present invention.
Claims (10)
1. A photovoltaic module flatness detecting apparatus, comprising:
the detection device (2) is composed of a conveying mechanism (23), a lifting mechanism (27), a height adjusting mechanism (26) and a detection mechanism (35), the whole detection device (2) is installed on the workbench (1) through a fixing plate (21), a bottom plate (22) is arranged above the fixing plate (21), guide rods (261) are fixed at four corners above the bottom plate (22), a top plate (263) is fixed at the top end of each guide rod (261), a movable plate (262) sleeved on the guide rods (261) is arranged below the top plate (263), a transverse groove is formed in the center of the bottom plate (22), the conveying mechanism (23) and the lifting mechanism (27) are arranged in the groove, the detection mechanism (25) is located above the conveying mechanism (23), and the detection mechanism (25) comprises a standard detection plate (251) fixed on the bottom plate (22) and a detection head (253) fixed below the movable plate (262), the detection head (253) transversely moves through a sliding groove (252), the sliding groove (252) is fixed at the bottom of the movable plate (262), and at least two detection devices (2) are arranged and are respectively used for detecting the upper surface and the lower surface of the photovoltaic module;
turning device (3) is located between two detection device (2), turning device (3) comprises upset support (31) and returning face plate (32), and upset support (31) are the high nearly triangle-shaped hollow out construction in the low right side in a left side, and central point puts and sets up the recess parallel with the inclined plane, returning face plate (32) are close to upset support (31) bottom and rotate the connection on the recess lateral wall, and return spring is installed at returning face plate (32) pivot both ends.
2. The photovoltaic module flatness detecting device according to claim 1, wherein the conveying mechanism (23) includes a conveyor belt (231) at the feeding end of the detecting device (2) and a conveying roller (232) at the top of the groove of the bottom plate (22), the conveying roller (232) is longitudinally and rotatably connected to the side wall of the groove and is equidistantly distributed in the groove of the bottom plate (22) along the conveying direction, and the upper surface of the conveyor belt (231) and the upper surface of the conveying roller (232) are on the same horizontal plane.
3. The photovoltaic module flatness detecting device according to claim 1, wherein the lifting mechanism (27) is composed of at least four sets of lifting cylinders, the lifting cylinders include at least two sets of lifting cylinders (271) and at least two sets of auxiliary cylinders (272), the lifting cylinders (271) and the auxiliary cylinders (272) are symmetrically distributed in the groove about the conveying direction, the lifting cylinders are vertically fixed on the bottom surface of the groove, the two sets of transversely arranged cylinders are distributed at intervals with the conveying roller (232), and the height of the mandril in the contraction state of the lifting cylinders is lower than the upper surface of the conveying roller (232).
4. The flatness detection device for the photovoltaic module according to claim 1, wherein at least two sets of symmetrically distributed L-shaped pneumatic baffles (24) are arranged on the bottom plates (22) on two sides of the center position of the conveying mechanism (23), pneumatic connectors are connected below the pneumatic baffles (24), the minimum distance between the pneumatic baffles (24) is smaller than the minimum width of the photovoltaic module, the maximum distance between the pneumatic baffles (24) is larger than the maximum width of the photovoltaic module, and a pressure sensor is arranged at the front end of the inner side of each pneumatic baffle (24) and electrically connected with the lifting mechanism (27).
5. The photovoltaic module flatness detecting device according to claim 1, wherein two sets of sliding grooves (252) having the same conveying direction are fixed below the movable plate (262), both ends of the sliding grooves (252) are provided with limit switches (254), transverse tracks are formed in the sliding grooves (252), detection heads (253) are arranged in the tracks, the detection heads (253) are composed of a plurality of longitudinally arranged displacement sensors, the detection heads (253) are driven by servo motors and move back and forth along the track direction, the standard detection plate (251) is fixed on the bottom plate (22) through upright posts, rectangular grooves are formed in the lower surface of the standard detection plate (251), magnetic switches are respectively arranged at four corners of the tops of the grooves, and the magnetic switches are electrically connected with the detection heads (253).
6. The photovoltaic module flatness detecting device according to claim 1, wherein the height adjusting mechanism (26) is composed of a top plate (263), a movable plate (262), a guide rod (261), a screw rod (265) and a hand crank (264), the hand crank (264) is fixed at the top of the screw rod (265), the top of the screw rod (265) is connected with the top plate (263), the other end of the screw rod (265) is connected with the movable plate (262) through a thread sleeve (266), and the movable plate (262) moves along the vertical direction of the guide rod (261).
7. The photovoltaic module flatness detecting device according to claim 1, wherein a downward inclined chute is formed behind the bottom plate (22), and a guide roller (28) is arranged at the top end of the chute.
8. The photovoltaic module flatness detection device according to claim 1, wherein the turnover plate (32) comprises a first baffle plate (321) and a second baffle plate (322) which are perpendicular to each other, a rotating shaft is arranged at the joint of the first baffle plate (321) and the second baffle plate (322), a weight reduction groove is formed in the second baffle plate (322), the thickness of the second baffle plate (322) does not exceed the depth of the groove of the turnover support (31), and a plurality of guide rollers (33) are arranged on the inclined surfaces on two sides of the turnover support (31) and are distributed at equal intervals.
9. A photovoltaic module flatness detecting apparatus according to claim 1, wherein the detecting accuracy of the detecting means (2) is related to the number of displacement sensors, the detecting frequency of the displacement sensors and the moving speed of the detecting head (253).
10. A method for detecting flatness of a photovoltaic module, comprising the apparatus for detecting flatness of a photovoltaic module according to any one of claims 1 to 9, comprising the steps of:
s01, determining relevant parameters such as the installation distance of the pneumatic baffle (24) and the height of the detection mechanism (25) according to the size of the photovoltaic module;
s02, the photovoltaic module moves to a pneumatic baffle (24) to trigger a signal, the lifting mechanism (27) lifts the photovoltaic module to be in contact with the bottom surface of the standard detection plate (251), the detection head (253) moves from the original position to the other side and periodically collects data, and the data are transmitted to a control center to be processed and judge whether the flatness of the upper surface of the product is qualified or not;
s03, if the upper surface is qualified, the lifting cylinder descends until the photovoltaic module contacts the conveying roller (232), the lifting cylinder continues to advance to reach the turnover device (3), the photovoltaic module abuts against the turnover plate (32) to be raised, the photovoltaic module is turned over to the conveyor belt (231) through gravity, and the flatness detection of the lower surface is continued, wherein the step is the same as S02;
s04, if the upper surface is unqualified, the auxiliary cylinder (272) in the lifting cylinder descends firstly, the photovoltaic module inclines backwards and slides down, the photovoltaic module moves to a defective product processing area through the guide roller (28), then the lifting cylinder (271) descends, and the unqualified lower surface is processed in the same way;
and S05, finishing detection.
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| CN202210625394.4A CN114993238A (en) | 2022-06-02 | 2022-06-02 | Photovoltaic module flatness detection device and detection method thereof |
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| CN202210625394.4A CN114993238A (en) | 2022-06-02 | 2022-06-02 | Photovoltaic module flatness detection device and detection method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116666245A (en) * | 2023-06-02 | 2023-08-29 | 广州高新区能源技术研究院有限公司 | Photovoltaic module detection device and method thereof |
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2022
- 2022-06-02 CN CN202210625394.4A patent/CN114993238A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116666245A (en) * | 2023-06-02 | 2023-08-29 | 广州高新区能源技术研究院有限公司 | Photovoltaic module detection device and method thereof |
| CN116666245B (en) * | 2023-06-02 | 2023-12-01 | 广州高新区能源技术研究院有限公司 | Photovoltaic module detection device and method thereof |
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