CN110444491A - A battery sheet IV, EL double-sided testing equipment - Google Patents

Abstract

The invention discloses a kind of cell piece IV, the two-sided test equipment of EL, including board, feed mechanism, rotary transfer mechanism, mechanism for testing and cutting agency, rotary transfer mechanism is fixed on board, rotary transfer mechanism includes four station index dials and carrier, feed mechanism, mechanism for testing and cutting agency is set on board along the direction of rotation of four station index dials respectively or board side, carrier is evenly spaced apart along four station index dial surroundings to being externally connected with four, carrier under the driving of four station index dials respectively with feed mechanism, mechanism for testing and cutting agency are corresponding, carrier is the frame structure of intermediate hollow out, mechanism for testing is clamped from upper and lower two side to carrier direction.The present invention can be realized while the test to cell piece tow sides, and compact-sized, improves the utilization efficiency in space, save the cost.

Description

A battery sheet IV, EL double-sided testing equipment

technical field

The invention relates to the technical field of solar battery testing equipment, in particular to a double-sided testing equipment for cell IV and EL.

Background technique

In order to ensure the working efficiency of the solar panel, it is necessary to test the battery sheet during the processing process to ensure that it has good electrical performance parameters. Testing and sorting of solar cells is an important link in the quality control of the finished solar module production process. However, the current test equipment mainly supports the testing of a single battery, that is, only one side of the battery can be tested, and the two sides of the battery cannot be tested at the same time. Therefore, in the specific implementation process, it is necessary to Manually test the other side of the cell after testing one side, the testing process is cumbersome and complicated, the testing equipment occupies a large area and the cost is high.

To sum up, there is currently no effective solution to the problem that double-sided cells cannot be tested simultaneously during the test process.

Contents of the invention

The technical problem to be solved by the present invention is to provide a cell IV and EL double-sided testing device, which can simultaneously test the positive and negative sides of the cell, has a compact structure, improves space utilization efficiency, and saves costs.

In order to solve the above-mentioned technical problems, the present invention provides a double-sided testing device for cell IV and EL, including a machine platform, a feeding mechanism, a rotating transmission mechanism, a testing mechanism and a feeding mechanism, and the rotating transmission mechanism is fixed on the machine platform Above, the rotary transmission mechanism includes a four-station indexing plate and a carrier, and the feeding mechanism, testing mechanism and unloading mechanism are respectively arranged on the machine table along the rotation direction of the four-station indexing plate Or on the side of the machine table, four of the carriers are connected outwards at even intervals around the four-station indexing disc. The carriers are respectively connected with the feeding mechanism and the testing mechanism under the drive of the four-station indexing disc Corresponding to the blanking mechanism, the carrier is a frame structure with a hollow center, and the testing mechanism clamps toward the carrier from the upper and lower sides.

Further, the side of the carrier extends inwards and is connected with several suction cups, the four-station indexing table includes a DD motor and a turntable, the carrier is connected around the turntable, and a pneumatic The slip ring and the vacuum pipe pass through the DD motor and the machine to connect the suction cup and the pneumatic slip ring.

Further, the carrier includes an outer frame and a bottom plate, and there is an air flow channel between the outer frame and the bottom plate, and the suction port of the air flow channel is located at one end of the carrier connected to the turntable, and the vacuum The pipe communicates with the suction cup through the air channel.

Further, the center of the DD motor is also provided with a drive rod, one end of the drive rod is connected to the rotor of the DD motor through a limit plate, the other end of the drive rod is connected to the pneumatic slip ring, and the limit Limiting slots for the vacuum pipeline to pass are arranged around the disk.

Further, the feeding mechanism includes a first linear module set on the machine table, a feeding suction cup connected to the first linear module, and a support assembly located under the feeding suction cup, the first linear The module is a three-axis linear module, the feeding suction cup is connected to the three-axis linear module through a rotating motor, and a positioning camera is arranged above the support assembly.

Further, the support assembly is a conveyor belt assembly, and the end of the conveyor belt assembly away from the four-station indexing plate is provided with a material receiving box inclined downward.

Further, the test mechanism includes a front tester, a back tester, an upper probe row, a lower probe row and a probe movement mechanism, and the front tester and the back tester include a testing part and an illumination part, and the front The tester and the upper probe row are located above the carrier, the back tester and the lower probe row are located below the carrier, and the upper probe row and the lower probe row are connected to the front tester and the lower probe row. The testing part of the tester on the back side is electrically connected, and both the upper probe row and the lower probe row are driven by the probe moving mechanism to move up and down relative to each other.

Further, the illuminating part of the front tester points to the carrier, the rear tester is arranged horizontally, and a reflector is arranged between the illuminating part of the rear tester and the carrier.

Further, the probe movement mechanism includes a drive motor and a screw rod, the upper probe row and the lower probe row are respectively connected to the nut pair of the screw rod, and the upper probe row and the lower probe row respectively include An installation frame and several rows of probe sets, installation grooves are arranged on both sides of the installation frame, and the two ends of the probe sets are connected to the installation grooves through sliders.

Further, the blanking mechanism includes a second linear module and a blanking suction cup connected to the second linear module, the second linear module is a linear slide rail, and the sliding seat of the linear slide rail is connected to the The same-direction linear module of the feeding mechanism is connected, and the feeding suction cup is fixedly connected with the sliding seat.

Compared with the prior art, the double-sided test equipment for cell IV and EL of the present invention has the beneficial effect that it can simultaneously test the front and back sides of the cell, and has a compact structure, which improves the utilization efficiency of space and saves costs. .

Description of drawings

Fig. 1 is the overall structural representation of the present invention;

Fig. 2 is a schematic structural view of the rotary transmission mechanism of the present invention;

Figure 3 is an exploded view of the carrier of the present invention;

Fig. 4 is the schematic diagram of loading and unloading mechanism of the present invention;

Fig. 5 is a schematic diagram of a test mechanism embodiment 1 of the present invention;

Fig. 6 is a schematic diagram of Embodiment 1 of the probe mechanism of the present invention;

Fig. 7 is a schematic diagram of Embodiment 2 of the testing mechanism of the present invention.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present invention and implement it, but the examples given are not intended to limit the present invention.

Referring to FIG. 1 , it is an embodiment of a cell IV and EL double-sided testing equipment of the present invention, including a machine platform 100, a loading machine mechanism 200, a rotary transmission mechanism 300, a testing mechanism 400 and a feeding mechanism 500, The rotary transmission mechanism 300 is fixed on the machine platform 100, the rotary transmission mechanism 300 includes a four-station index plate 310 and a carrier 320, the loading machine mechanism 200, the testing mechanism 400 and the unloading mechanism 500 They are respectively arranged on the machine platform 100 or on the side of the machine platform 100 along the rotation direction of the four-station indexing plate 310. For the loading machine mechanism 200 and the unloading mechanism 500, in order to ensure the cooperation with the carrier 320 and save Install profiles, both of which are arranged on the machine platform 100, and the testing mechanism 400 in this embodiment needs to test the products on the carrier 320 from the upper and lower directions at the same time, the distance between the machine platform 100 and the carrier 320 is too large The test mechanism 400 is too small to be installed, so the test mechanism 400 is set on the side of the machine 100, and each mechanism is set around the four-station indexing plate 310, which improves the space utilization and reduces the equipment footprint. There are four 320s connected outwards at even intervals around the four-station indexing plate 310. On the one hand, there is no need to use a large-sized indexing plate, which saves costs, reduces the weight of the indexing plate, and facilitates driving. On the other hand, due to the testing mechanism 400 is close to the carrier 320 from the upper and lower directions, and the carrier 320 extends outward, which can prevent the part below the test mechanism 400 from interfering with the driving part of the indexing plate. The carrier 320 is driven by the four-station indexing plate 310 The bottom corresponds to the loading machine mechanism 200, the testing mechanism 400 and the unloading mechanism 500, so that when the four-station index plate 310 rotates an angle, the carrier 320 on it can be transferred from the previous station to the next station. One station greatly improves the efficiency of the carrier 320 switching back and forth between different stations. The carrier 320 is a frame structure with a hollow in the middle. When the battery sheet 600 is placed on the carrier 320, the upper and lower surfaces of the battery sheet 600 are exposed to the outside, and the testing mechanism 400 is clamped toward the carrier 320 from the upper and lower sides.

Referring to FIG. 2 , which is a schematic structural diagram of the rotary transmission mechanism of the present invention, the side of the carrier 320 extends inwardly and is connected with several suction cups 321 . When the cell 600 is placed on the carrier 320 , due to the comparison Fragile, the mechanical fixing structure is easy to damage the battery sheet 600, so the structure fixed by the suction cup 321 is adopted in this embodiment. Since the carrier 320 rotates with the four-station indexing plate 310 by 360°, in order to prevent the vacuum suction tube connected to the suction cup 321 from the machine 100 Interference occurs. In this embodiment, the four-station indexing plate 310 is set to include a DD motor 311 and a turntable 312, and the carrier 320 is connected around the turntable 312. On the one hand, the output torque of the DD motor 311 is large, ensuring Drive the turntable 312 and the carrier 320 to rotate. On the other hand, the DD motor 311 is a tubular structure, and the vacuum pipeline can pass through the center of the DD motor 311, so that when the carrier 320 rotates, the vacuum pipeline connected to the suction cup 321 will not be in contact with the machine table. 100 and other agencies intervened. In order to further ensure that the vacuum pipeline can transmit gas while rotating with the turntable 312, a pneumatic slip ring 330 is provided under the machine 100, and the vacuum pipeline passes through the DD motor 311 and the machine 100 to communicate with the suction cup 321 and the pneumatic The slip ring 330 realizes the normal operation of the suction cup 321. In order to further facilitate the rotation of the pneumatic slip ring 330, the center of the DD motor 311 is also provided with a drive rod 313, and one end of the drive rod 313 is connected to the rotor of the DD motor 311 through a limit plate 314, and the drive rod 313 The other end is connected to the pneumatic slip ring 330, the driving rod 313 is driven by the DD motor 311, and the driving rod 313 drives the pneumatic slip ring 330 to rotate synchronously. Further, the limit disc 314 is provided with holes for the vacuum pipeline to pass through. The limiting groove 315 corresponds to the direction of the carrier 320, and the vacuum pipeline can only pass through the limiting groove 315 to ensure the neatness of the vacuum pipeline.

Referring to FIG. 3 , it is an exploded view of the structure of the carrier 320 of the present invention. In order to reduce the setting of vacuum pipes, the carrier 320 includes an outer frame 322 and a bottom plate 323, and there is an air flow between the outer frame 322 and the bottom plate 323. The air suction port 324 of the air flow channel is located at one end of the carrier 320 connected to the turntable 312, the vacuum pipeline communicates with the suction cup 321 through the air flow channel, and a plurality of suction cups 321 pass through one suction port 324 for pumping air, on the one hand to reduce the setting of vacuum pipes, on the other hand it will not interfere with the approach of the test components to the carrier 320.

Referring to FIG. 4 , it is a schematic diagram of a feeder mechanism 200 of the present invention. The feeder mechanism 200 includes a first linear module 210 arranged on the machine platform 100 , and a linear module 210 connected to the first linear module 210. The feeding suction cup 220 and the support assembly 230 located below the feeding suction cup 220, the feeding suction cup 220 sucks the battery sheet 600 on the support assembly 230, and then places the battery sheet 600 on the corresponding carrier through the transmission of the first linear module 210. However, when the battery sheet 600 is placed on the support assembly 230, the position and angle of the battery sheet 600 may not correspond to the carrier 320, so the first linear module 210 is a three-axis linear module, The feeding suction cup 220 is connected to the three-axis linear module through a rotating motor 240 , and a positioning camera 250 is arranged above the support assembly 230 . Perform positioning to determine whether it is in the right position on X, Y, and θ, so that when the battery sheet 600 is picked up and moved to the carrier 320, the battery sheet 600 is carried out in the X, Y, Z directions and at the angle of θ The adjustment, transfer and adjustment can be carried out at the same time, saving work beats. Further, in this embodiment, the support assembly 230 is a conveyor belt assembly 231, and the end of the conveyor belt assembly 231 away from the four-station indexing plate 310 is provided with a material receiving box 260 inclined downward. When the positioning camera 250 pairs When the cell 600 is inspected, if defects are found on the surface of the cell 600, the feeding suction cup 220 does not move to suck the cell 600, the conveyor belt assembly 231 rotates away from the four-station indexing plate 310, and the cell 600 moves from the conveyor belt assembly 231 end falls, is collected by receiving box 260, completes primary screening.

Referring to Fig. 5, it is a schematic structural view of a test mechanism 400 embodiment of the present invention, and the test mechanism 400 includes a front tester 410, a back tester 420, an upper probe row 430, a lower probe row 440 and a probe movement Assembly 450, the front tester 410 and the back tester 420 include a testing part 411 and an illumination part 412, the front tester 410 and the upper probe row 430 are located above the carrier 320, and are illuminated by the front tester 410 The part 412 provides simulated sunlight to the front of the cell 600, and at the same time uses the upper probe row 430 to test the upper surface of the cell 600. The back tester 420 and the lower probe row 440 are located below the carrier 320, and pass through the back The illuminating part 412 of the tester 420 provides simulated sunlight to the back of the cell 600, and at the same time uses the lower probe row 440 to test the lower surface of the cell 600, the upper probe row 430 and the lower probe row 440 are both compatible with the The test section 411 of the front tester 410 and the back tester 420 is electrically connected. In this embodiment, both the front tester 410 and the back tester 420 are IV and EL test integrated machines, so the double-sided testing of the cell sheet 600 can be carried out simultaneously. Carry out IV and EL test, in another embodiment, IV test and EL test can be carried out separately in two stations, both are arranged on the adjacent two sides of four-station indexing plate 310, because cell 600 is always positioned at On the same carrier 320 , it is not necessary to carry the cells 600 multiple times even if they are tested separately, which ensures the quality of the cells 600 .

Referring to FIG. 6 , it is a structural schematic diagram of Embodiment 1 of the probe mechanism of the present invention. The upper probe row 430 and the lower probe row 440 in this embodiment are both driven by the probe moving assembly 450 to move up and down relative to each other. The probe moving assembly 450 includes a driving motor 451 and a screw, and the upper probe row 430 and the lower probe row 440 are respectively connected to the nut pair of the screw. The screw in this embodiment is a one-way screw. 452, each screw rod is driven by a driving motor 451, the upper probe row 430 and the lower probe row 440 are respectively connected to a one-way screw rod 452, and the two probe rows move in the opposite direction, when the carrier 320 drives the battery sheet When the 600 moves between the two probe rows, the two probe rows move toward the direction of the carrier 320 from the upper and lower sides. After the test is completed, the two probe rows move away from the carrier 320, and the carrier 320 rotates 90 ° reach the next station, and at the same time another cell 600 arrives between the two probe rows. The upper probe row 430 and the lower probe row 440 respectively include a mounting frame 431 and several rows of probe groups 432, the two sides of the mounting frame 431 are provided with mounting grooves 433, and the two ends of the probe groups 432 pass through the slider 434 is connected to the installation groove 433 , the slider 434 can adjust its position in the installation groove 433 , change the distance between each probe set 432 , and enable the probe set 432 to adapt to battery slices 600 of different sizes.

Referring to Fig. 7, it is a schematic structural diagram of the second embodiment of the testing mechanism 400 of the present invention, because the space above the carrier 320 is unlimited, so the front tester 410 can be vertically arranged, and the illumination portion of the front tester 410 faces from below. The battery sheet 600 is illuminated, and the space below the carrier 320 is small, which cannot satisfy the vertical setting of the back tester 420. Therefore, the rear tester 420 in this embodiment is set horizontally, and the lighting of the back tester 420 A reflector 421 is provided between the part 412 and the carrier 320 , and the light generated by the illuminating part 412 of the back tester 420 is reflected to the back of the cell 600 through the reflector 421 to illuminate the back of the cell 600 . In this embodiment, the screw rod is a two-way screw rod 453, and one drive motor 451 is provided with one, and the upper probe row 430 and the lower probe row 440 are respectively connected to the nut pairs at both ends of the two-way screw rod 453, so that the two probe rows can Driven by the two-way screw rod 453, they move toward or relative to each other.

Referring to Fig. 4, it is a schematic structural view of a blanking mechanism 500 of the present invention, the blanking mechanism 500 includes a second linear module 510 and a blanking suction cup 520 connected to the second linear module 510, the second linear module 510 only needs to pick up the battery sheet 600 that has been tested on the carrier 320 and send it out to the four-station index plate 310. Since the testing mechanism 400 only occupies one station in this embodiment, the unloading mechanism 500 and the loading mechanism 500 The feeder mechanism 200 is on the same straight line, and the unloading suction cup 520 moves the battery sheet 600 out of the carrier 320 and the feeding suction cup 220 sends the battery sheet 600 to the carrier 320 at the same beat, so in this embodiment, in order to save costs, the The second linear module 510 is set as a linear slide rail 511, the sliding seat 512 of the linear slide rail 511 is connected to the same direction linear module of the feeding machine mechanism 200 through a connecting rod 513, and the blanking suction cup 520 is connected to the linear module 513. The sliding seat 512 is fixedly connected, and the blanking suction cup 520 does not need to move up and down, because when the suction cup 321 on the carrier 320 sucks the cell 600, the cell 600 is close to the surface of the carrier 320, and at this time the surface of the cell 600 is in contact with the surface of the carrier 320 There is a certain distance between the blanking suction cups 520, which does not affect the carrier 320 sending the cells 600 to the bottom of the blanking suction cups 520. At the same time, when discharging, the suction cups 321 release the cells 600, and the cells 600 bounce upward for a certain distance , so the blanking suction cup 520 can easily suck the cell 600 .

The above-mentioned embodiments are only preferred embodiments for fully illustrating the present invention, and the protection scope of the present invention is not limited thereto. Equivalent substitutions or transformations made by those skilled in the art on the basis of the present invention are all within the protection scope of the present invention. The protection scope of the present invention shall be determined by the claims.

Claims (10)

1. A cell IV, EL double-sided testing equipment, is characterized in that, comprises machine platform, feeding mechanism, rotary transmission mechanism, testing mechanism and blanking mechanism, and described rotary transmission mechanism is fixed on the machine platform, and described The rotary transmission mechanism includes a four-station indexing plate and a carrier, and the loading mechanism, testing mechanism and unloading mechanism are respectively arranged on the machine table or on the side of the machine table along the rotation direction of the four-station indexing plate On the side, the carrier is connected with four evenly spaced outwards along the four-station indexing plate, and the carrier is respectively connected with the feeding mechanism, the testing mechanism and the unloading mechanism Correspondingly, the carrier is a frame structure with a hollow in the middle, and the testing mechanism clamps toward the carrier from the upper and lower sides. 2. A double-sided testing device for cell IV and EL according to claim 1, wherein the side of the carrier extends inwards and is connected with several suction cups, and the four-station indexing plate includes a DD motor and the turntable, the carrier is connected around the turntable, a pneumatic slip ring is arranged under the machine table, and the vacuum pipe passes through the DD motor and the machine table to communicate with the suction cup and the pneumatic slip ring. 3. A kind of battery chip IV, EL double-sided testing equipment as claimed in claim 2, is characterized in that, described carrier comprises outer frame and base plate, and there is air passage between described outer frame and base plate, and described The suction port of the air channel is located at the end of the carrier connected to the turntable, and the vacuum pipeline communicates with the suction cup through the air channel. 4. The double-sided testing equipment for cell IV and EL according to claim 2, wherein a drive rod is arranged at the center of the DD motor, and one end of the drive rod is connected to the DD through a limit plate. The rotor of the motor, the other end of the drive rod is connected to the pneumatic slip ring, and the limit plate is provided with a limit groove around the limit plate for the vacuum pipeline to pass through. 5. A kind of cell IV, EL double-sided test equipment as claimed in claim 1, is characterized in that, described feeding mechanism comprises the first linear module set on the machine platform, and the first linear module A set of connected feeding suction cups and a support assembly located below the feeding suction cups, the first linear module is a three-axis linear module, and the feeding suction cup is connected to the three-axis linear module through a rotating motor , a positioning camera is also arranged above the support assembly. 6. A cell IV and EL double-sided testing device according to claim 5, wherein the support assembly is a conveyor belt assembly, and the end of the conveyor belt assembly away from the four-station indexing plate is downward The material receiving box is arranged obliquely. 7. A kind of cell IV, EL double-sided test equipment as claimed in claim 1, is characterized in that, described test mechanism comprises front tester, back tester, upper probe row, lower probe row and probe The movement mechanism, the front tester and the back tester include a testing part and an illumination part, the front tester and the upper probe row are located above the carrier, and the back tester and the lower probe row are located on the carrier Below the tool, the upper probe row and the lower probe row are electrically connected to the test parts of the front tester and the back tester, and the upper probe row and the lower probe row are controlled by the probe movement mechanism. Drive relative movement up and down. 8. A kind of cell IV and EL double-sided testing equipment as claimed in claim 7, characterized in that, the illuminating part of the front tester points to the carrier, the back tester is horizontally arranged, and the back side A reflection mirror is arranged between the illuminating part of the tester and the carrier. 9. A kind of cell IV, EL double-sided test equipment as claimed in claim 7, is characterized in that, described probe movement mechanism comprises driving motor and screw mandrel, and described upper probe row and lower probe row respectively Connect the nut pair of the screw rod, the upper probe row and the lower probe row respectively include a mounting frame and several rows of probe groups, installation grooves are arranged on both sides of the mounting frame, and the two ends of the probe group pass through The slide block is connected with the installation groove. 10. A double-sided testing device for cell IV and EL according to claim 1, wherein the blanking mechanism includes a second linear module and a blanking suction cup connected to the second linear module , the second linear module is a linear slide rail, the sliding seat of the linear sliding rail is connected with the same direction linear module of the feeding mechanism, and the feeding suction cup is fixedly connected with the sliding seat.