A photovoltaic glass defect detection device

Abstract

The present invention belongs to the technical field of detection equipment, and specifically relates to a photovoltaic glass defect detection device. Through the cooperation of a conveying mechanism and a testing mechanism, photovoltaic glass can be impact tested at intervals in the photovoltaic glass production process, and a good protective effect can be achieved during the test to avoid debris splashing during the test to affect the production environment or staff; the opening, closing and resetting of the stamping assembly that plays a testing role are completely synchronized with the lifting and lowering movement of the carrier plate, which not only can better match the testing needs of photovoltaic glass, but also has a simple and reliable overall structure, consistent testing conditions, and improved test accuracy; the setting of the scanning assembly can further synchronize the testing mechanism, play a role in pre-testing and immediate detection after the test, improve the efficiency of detection, and more synchronize the movement of the testing mechanism.

Description

Technical Field

[0001] The present invention belongs to the technical field of detection equipment, and in particular relates to a photovoltaic glass defect detection device. Background Art

[0002] With the development of society and industrialization, people's urban energy needs and production activities have increased. Especially with the in-depth research and understanding of electricity, electricity has become one of the indispensable energy sources in people's daily life and production activities. The traditional way of obtaining energy is usually to obtain it by coal-fired power generation, but this way of obtaining energy not only consumes a lot of coal fuel, but also causes serious pollution to the environment. With the improvement of environmental awareness, people have gradually developed various clean electricity acquisition methods such as hydropower, wind power, photovoltaic, tidal, geothermal and other methods.

[0003] Among them, the use of solar power generation is currently the most convenient way to obtain clean energy. It can be directly set up on residential buildings for power generation, or it can be set up on a large scale in suitable open spaces for power generation. The most critical component for capturing solar energy for power generation is photovoltaic glass, which is composed of multiple layers of necessary materials overlapping and combining. In the production process, in order to meet the strength requirements of photovoltaic glass operating under outdoor conditions, photovoltaic glass often needs to be tested to check for defects. Traditional testing methods are generally carried out through manual sampling, which not only requires additional manual testing operations, but also affects the production needs of the assembly line. Summary of the Invention

[0004] The purpose of the present invention is to provide a photovoltaic glass defect detection device to solve the problems mentioned in the background technology.

[0005] In order to achieve the above technical objectives, the technical solutions adopted by the present invention are as follows:

[0006] A photovoltaic glass defect detection device comprises a body, a conveying mechanism and a control panel, wherein the conveying mechanism is provided in the body and matches an external transmission mechanism, and a testing mechanism matching the conveying mechanism is provided in the body;

[0007] The testing mechanism includes a lifting cylinder, a carrier plate, and a punching assembly. The lifting cylinder is fixedly connected to the upper side of the machine body and is electrically connected to the control panel signal. The carrier plate is fixedly connected to the output shaft of the lifting cylinder. The punching assembly is provided on the carrier plate and matches the conveying mechanism.

[0008] The punching assembly includes four triggers, four unlockers and a striker. The four triggers and the four unlockers correspond to each other and form a set of synchronizers. The four triggers are respectively arranged at the four corners of the carrier plate, and the striker is arranged in the middle of the carrier plate and is connected and matched with the four synchronizers.

[0009] A positioner is further provided between the upper inner side of the machine body and the conveying mechanism, and a protective cover is further provided at the lower end of the carrier plate.

[0010] The trigger includes a contact, a sliding column, a first cable and a first spring. The carrier plate is provided with a first step cavity matching the trigger. The sliding column is connected to the contact as a whole and has a T-shaped vertical cross-section. The sliding column is slidably arranged in the first step cavity and the contact extends out of the first step cavity. One end of the first cable is connected to the upper end of the sliding column. The first step cavity is provided with a wire groove matching the striker. The other end of the first cable slides through the wire groove and is connected to the striker. The first spring is sleeved on the first cable and is located in the first step cavity.

[0011] The unlocker includes a transverse axis, a secondary lock and a second spring. The carrier plate is provided with a second step cavity perpendicular to the axis of the first step cavity. The transverse axis is slidably arranged in the second step cavity. The secondary lock is arranged at the end of the transverse axis away from the trigger and matches the striker. The second spring is arranged at the end of the transverse axis away from the trigger. The lower side of the sliding column is provided with a trapezoidal groove matching the transverse axis.

[0012] The secondary lock includes a square plate, a lock tongue and a third spring. The horizontal axis is provided with a square step cavity. The square plate is slidably arranged in the square step cavity. The lock tongue is connected to the square plate and extends out of the square step cavity. The inclined end of the lock tongue faces downward. The third spring is connected to the other end of the square plate.

[0013] The impactor includes a slide plate, an impact head and a fourth spring. A third step cavity is opened in the middle of the carrier plate. The slide plate is slidably arranged in the third step cavity. The impact head is connected to the lower end of the slide plate. The fourth spring is arranged at the upper end of the slide plate. The other ends of several first cables are connected to the slide plate. The minimum telescopic force of the first spring is greater than the maximum telescopic force of the fourth spring.

[0014] The positioner is a photoelectric position sensor.

[0015] The testing mechanism also includes a scanning component, and the number of the scanning components is two and they are symmetrically arranged at the lower end of the carrier plate. The scanning component includes a guide shaft, a slider, a camera, a second cable and a resetter. A long groove is opened at the lower end of the carrier plate, and the guide shaft is fixed in the long groove. The slider is slidably connected to the guide shaft and matches the long groove. The camera is connected to the slider and the shooting end faces the conveying mechanism. One end of the second cable is connected to the slider and slides through the carrier plate. The other end of the second cable is connected to the upper end of the body. The resetter is connected and matched with the slider.

[0016] The resetter is a coil spring box, and the connecting piece of the coil spring box is connected to the slider.

[0017] Compared with the prior art, the present invention has at least the following advantages:

[0018] Through the cooperation of the conveying mechanism and the testing mechanism, the photovoltaic glass can be impact tested at intervals during the photovoltaic glass production process, and a good protective effect can be achieved during the test to prevent debris from flying during the test and affecting the production environment or staff; the opening, closing and resetting of the stamping assembly that plays a testing role are completely synchronized with the lifting and lowering movement of the carrier plate, which not only better matches the testing needs of photovoltaic glass, but also has a simple and reliable overall structure, consistent testing conditions, and improved test accuracy; the setting of the scanning assembly can further synchronize the testing mechanism, play a role in pre-testing and immediate detection after the test, improve the efficiency of detection, and more synchronize the movement of the testing mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention is further illustrated by means of the following non-limiting examples.

[0020] Figure 1 This is a schematic structural diagram of a photovoltaic glass defect detection device according to the present invention.

[0021] Figure 2 It is a structural schematic diagram of the testing mechanism of the present invention.

[0022] Figure 3 It is a structural cross-sectional view of the testing mechanism of the present invention.

[0023] Figure 4 for Figure 3 Enlarged schematic diagram of point A in the middle.

[0024] Figure 5 for Figure 3 Enlarged schematic diagram of point B in the middle.

[0025] Figure 6 Schematic diagram of the structure of the striker and trigger of the present invention.

[0026] Figure 7 It is a structural diagram of another embodiment of the present invention.

[0027] Figure 8 Schematic diagram of the structure of a testing mechanism according to another embodiment of the present invention.

[0028] Figure 9 for Figure 8 Enlarged schematic diagram of point C in the middle.

[0029] Body 1, conveying mechanism 11, lifting cylinder 2, carrier plate 21, positioner 22, protective cover 23, contact 3, slide column 31, first cable 32, first spring 33, first step cavity 34, horizontal axis 4, second spring 41, second step through cavity 42, trapezoidal notch 43, square piece 5, lock tongue 51, third spring 52, square step cavity 53, slide plate 6, impact head 61, fourth spring 62, third step cavity 63, guide shaft 7, slider 71, camera 72, second cable 73, long slot 74, coil spring box 75. DETAILED DESCRIPTION

[0030] In order to enable those skilled in the art to better understand the present invention, the technical solution of the present invention is further described below with reference to the accompanying drawings and embodiments. Example 1

[0031] like Figure 1-6 As shown, a photovoltaic glass defect detection device includes a body 1, a conveying mechanism 11 and a control panel. The conveying mechanism 11 is provided in the body 1 and matches with an external transmission mechanism. A testing mechanism matching with the conveying mechanism 11 is provided in the body 1.

[0032] The testing mechanism includes a lifting cylinder 2, a carrier plate 21, and a punching assembly. The lifting cylinder 2 is fixedly connected to the upper inner side of the body 1 and is electrically connected to the control panel signal. The carrier plate 21 is fixedly connected to the output shaft of the lifting cylinder 2. The punching assembly is arranged on the carrier plate 21 and matches the conveying mechanism 11.

[0033] The stamping assembly includes four triggers, four unlockers and a striker. The four triggers and the four unlockers correspond to each other as a set of synchronizers. The four triggers are respectively located at the four corners of the carrier plate 21, and the striker is located in the middle of the carrier plate 21 and is connected and matched with the four synchronizers.

[0034] A positioner 22 is provided between the upper inner side of the machine body 1 and the conveying mechanism 11 , and a protective cover 23 is provided at the lower end of the carrier plate 21 .

[0035] After the photovoltaic glass is stacked, in order to ensure the strength of the subsequent installation in the frame and during use, it is necessary to perform a strength test on the photovoltaic glass. The conveying mechanism 11 is connected and matched with the external conveying mechanism, that is, the testing device can be connected to the production line. During the test process, there is no need to manually extract the photovoltaic glass into the testing device for testing, which reduces the complexity of the test.

[0036] The conveying mechanism 11 can be a belt conveyor or a plate conveyor, wherein a plurality of partition plates are evenly arranged on the conveyor belt to position and separate the photovoltaic glass. The positioner 22 is used to position each interval formed by the partition plates and cooperates with the control panel to start the interval of the conveying mechanism 11.

[0037] When testing photovoltaic glass during its production process, the control panel is used to set the intervals for inspection to achieve a random sampling effect. When the control panel counts the number of positioning times through the positioner 22 to a specified number, the control panel starts the lifting cylinder 2 to lower the carrier 21. The lowering of the carrier 21 drives the stamping assembly to gradually cooperate with the photovoltaic glass for testing. The four triggers will gradually abut and retract with the photovoltaic glass until the limit of the unlocker on the impactor is released. At this time, the impactor pops out from the carrier 21 to perform a collision test on the photovoltaic glass, thereby achieving the purpose of destructive testing of the photovoltaic glass. In addition to unlocking the impactor, the four triggers can also perform static pressure testing on the four corners of the photovoltaic glass. Since the edges and corners of the plate glass material are more easily damaged, such a test can ensure the quality of the product to a greater extent. The protective cover 23 can shield the photovoltaic glass to prevent some unqualified photovoltaic glass from being broken and splashing debris after destructive testing, affecting the production environment or injuring the staff, thereby improving the safety of the test.

[0038] The trigger includes a contact 3, a slide 31, a first cable 32 and a first spring 33. The carrier plate 21 is provided with a first step cavity 34 that matches the trigger. The slide 31 is connected to the contact 3 as a whole and the vertical cross-section is T-shaped. The slide 31 is slidably arranged in the first step cavity 34 and the contact 3 extends out of the first step cavity 34. One end of the first cable 32 is connected to the upper end of the slide 31. The first step cavity 34 is provided with a wire groove that matches the striker. The other end of the first cable 32 slides through the wire groove and is connected to the striker. The first spring 33 is sleeved on the first cable 32 and is located in the first step cavity 34.

[0039] When the carrier plate 21 moves downward, the contact 3 will gradually abut against the corners of the photovoltaic glass. As it continues to move downward, the contact 3 will be retracted into the first step cavity 34. At this time, the first spring 33 is squeezed and exerts a reaction force, so that in the process of cooperating with the unlocker and the striker, a static pressure test can be applied by the first spring 33. When the unlocker is unlocked, the striker will start to move downward. At this time, the first cable 32 is in a relaxed state, so it will not affect the striker until the carrier plate 21 rises after the test is completed. During this process, the first spring 33 pushes the slide column 31 to reset, and the corresponding pulling of the first cable 32 also resets the striker.

[0040] The unlocker includes a transverse shaft 4, a secondary lock and a second spring 41. The carrier plate 21 is provided with a second step cavity 42 perpendicular to the axis of the first step cavity 34. The transverse shaft 4 is slidably arranged in the second step cavity 42. The secondary lock is arranged at the end of the transverse shaft 4 away from the trigger and matches the striker. The second spring 41 is arranged at the end of the transverse shaft 4 away from the trigger. The lower side of the slide column 31 is provided with a trapezoidal notch 43 matching the transverse shaft 4.

[0041] When the trigger is retracted by synchronous movement of the carrier plate 21, the trapezoidal notch 43 on the slide post 31 will also move upward relative to the horizontal axis 4. In the static state, the horizontal axis 4 is pushed by the second spring 41 and blocked by the slide post 31, and will continue to move toward the side of the slide post 31. At the same time, the secondary lock extends to limit the striker until the trapezoidal notch 43 corresponds to the horizontal axis 4. The horizontal axis 4 loses its blockage and slides with the second spring 41. At this time, the secondary lock will be retracted into the second step cavity 42. At this time, the secondary lock cancels the limit on the striker and starts the impact test on the photovoltaic glass.

[0042] Similarly, when the carrier plate 21 moves upward, the sliding column 31 moves downward relatively and re-produces a pushing effect on the transverse axis 4, thereby causing the secondary lock to extend again to pre-lock the striker, wherein the striker is not affected by the secondary lock when it is pulled back by the first cable 32; this can synchronize the displacement action and state of the carrier plate 21 and achieve good test effect requirements.

[0043] The secondary lock includes a square piece 5, a lock tongue 51 and a third spring 52. The horizontal axis 4 is provided with a square step cavity 53. The square piece 5 is slidably arranged in the square step cavity 53. The lock tongue 51 is connected to the square piece 5 and extends out of the square step cavity 53. The inclined end of the lock tongue 51 faces downward. The third spring 52 is connected to the other end of the square piece 5.

[0044] The square piece 5 cooperates with the square step cavity 53 to prevent the lock tongue 51 from rotating automatically, and the third spring 52 can keep the lock tongue 51 always in an extended state. Since the inclined end of the lock tongue 51 faces downward, when the striker resets and moves upward, it will be pushed and retracted into the square step cavity 53 without affecting the reset action. However, after the striker passes over the lock tongue 51, the lock tongue 51 can block the striker and achieve the purpose of limiting the position for the next test needs.

[0045] The impactor includes a slide plate 6, an impact head 61 and a fourth spring 62. A third step cavity 63 is opened in the middle of the carrier plate 21. The slide plate 6 is slidably arranged in the third step cavity 63. The impact head 61 is connected to the lower end of the slide plate 6. The fourth spring 62 is arranged at the upper end of the slide plate 6. The other ends of several first cables 32 are all connected to the slide plate 6.

[0046] The slide 6 cooperates with the first cable 32 and the fourth spring 62 to realize movement in the third step cavity 63. When the secondary lock in the unlocker is retracted to cancel the limit blockage of the slide 6, the corresponding first cable 32 is also in a relaxed state. In this state, the fourth spring 62 pushes the slide 6 to push the impact head 61, thereby generating an impact test on the photovoltaic glass on the lower side.

[0047] When the carrier plate 21 moves upward, the impact head 61 is pulled back to its original position by the first cable 32 and is locked by the unlocker to prepare for the next test action.

[0048] In order to ensure the stability of the movement state of the components, the contact 3, the horizontal axis 4, the slide 6 and the corresponding chamber are all limited and guided by guide bars, so that they can only slide along the length of the guide bars instead of rotating. The means of setting the guide bars is a common means of limiting the rotation of column-mounted objects, which will not be elaborated here.

[0049] The positioner 22 is a photoelectric position sensor. Example 2

[0050] like Figure 7-9 As shown, based on the further improvement of the first embodiment, the test mechanism also includes a scanning assembly, the number of the scanning assemblies is two and they are symmetrically arranged at the lower end of the carrier plate 21, the scanning assembly includes a guide shaft 7, a slider 71, a camera 72, a second cable 73 and a resetter, a long groove 74 is opened at the lower end of the carrier plate 21, the guide shaft 7 is fixed in the long groove 74, the slider 71 is slidably connected to the guide shaft 7 and matches the long groove 74, the camera 72 is connected to the slider 71 and the shooting end faces the conveying mechanism 11, one end of the second cable 73 is connected to the slider 71 and slides through the carrier plate 21, the other end of the second cable 73 is connected to the upper end of the body 1, and the resetter is connected and matched with the slider 71.

[0051] The resetter is a coil spring box 75 , and a connecting piece of the coil spring box 75 is connected to the slider 71 .

[0052] In order to improve the efficiency of inspection and avoid delaying too many production line processes, after the impact test of the photovoltaic glass is completed by the testing organization, the surface of the photovoltaic glass needs to be scanned and inspected by machine vision immediately. The method of machine vision inspection is a common means of existing appearance inspection and will not be described in detail here. When the carrier plate 21 is initially in a suspended high position, the second cable 73 is not pulled by the slider 71. At this time, the slider 71 is pulled by the spring box 75, which will cause the slider 71 to be located on the side close to the spring box 75. As the carrier plate 21 moves downward, the slider 71 is pulled by the second cable 73 and moves. The camera 72 provided on the slider 71 will gradually move from the initial one side in the long slot 74 to the other side. At this time, the camera 72 performs the first scan to detect whether there is initial damage on the photovoltaic glass.

[0053] When the test mechanism completes the test, the carrier plate 21 rises. At this time, the second cable 73 gradually loses its pulling force on the slider 71 again, and the winding force of the spring box 75 causes the slider 71 and the camera 72 to reset. In this way, the photovoltaic glass that has completed the test can be scanned and inspected, achieving a fast and automatic detection effect.

[0054] The above embodiments are merely illustrative of the principles and effects of the present invention and are not intended to limit the present invention. Anyone skilled in the art may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by one of ordinary skill in the art without departing from the spirit and technical principles disclosed herein are intended to be covered by the claims of the present invention.

Claims

1. A photovoltaic glass defect detection device, comprising a body, a conveying mechanism, and a control panel, wherein the conveying mechanism is provided on the body and matches an external transmission mechanism, and is characterized in that: A testing mechanism matching the conveying mechanism is provided in the body; The testing mechanism includes a lifting cylinder, a carrier plate, and a punching assembly. The lifting cylinder is fixedly connected to the upper side of the machine body and is electrically connected to the control panel signal. The carrier plate is fixedly connected to the output shaft of the lifting cylinder. The punching assembly is provided on the carrier plate and matches the conveying mechanism. The punching assembly includes four triggers, four unlockers and a striker. The four triggers and the four unlockers correspond to each other and form a set of synchronizers. The four triggers are respectively arranged at the four corners of the carrier plate, and the striker is arranged in the middle of the carrier plate and is connected and matched with the four synchronizers. A positioner is further provided between the upper side of the body and the conveying mechanism, and a protective cover is further provided at the lower end of the carrier plate; The trigger includes a contact, a sliding post, a first cable and a first spring; the carrier plate is provided with a first step cavity matching the trigger; the sliding post is integrally connected to the contact and has a T-shaped vertical cross-section; the sliding post is slidably arranged in the first step cavity and the contact extends out of the first step cavity; one end of the first cable is connected to the upper end of the sliding post; the first step cavity is provided with a wire groove matching the striker; the other end of the first cable slides through the wire groove and is connected to the striker; the first spring is sleeved on the first cable and located in the first step cavity; The unlocker includes a transverse shaft, a secondary lock, and a second spring. The carrier plate is provided with a second step cavity perpendicular to the axis of the first step cavity. The transverse shaft is slidably disposed in the second step cavity. The secondary lock is disposed at the end of the transverse shaft away from the trigger and matches the striker. The second spring is disposed at the end of the transverse shaft away from the trigger. The lower side of the slide column is provided with a trapezoidal notch matching the transverse shaft. The secondary lock includes a square plate, a lock tongue and a third spring. The horizontal axis is provided with a square step cavity. The square plate is slidably arranged in the square step cavity. The lock tongue is connected to the square plate and extends out of the square step cavity. The inclined end of the lock tongue faces downward. The third spring is connected to the other end of the square plate.

2. The photovoltaic glass defect detection device according to claim 1, characterized in that: The impactor includes a slide plate, an impact head and a fourth spring. A third step cavity is opened in the middle of the carrier plate. The slide plate is slidably arranged in the third step cavity. The impact head is connected to the lower end of the slide plate. The fourth spring is arranged at the upper end of the slide plate. The other ends of several first cables are connected to the slide plate. The minimum telescopic force of the first spring is greater than the maximum telescopic force of the fourth spring.

3. The photovoltaic glass defect detection device according to claim 2, characterized in that: The positioner is a photoelectric position sensor.

4. The photovoltaic glass defect detection device according to claim 1, characterized in that: The testing mechanism also includes a scanning component, and the number of the scanning components is two and they are symmetrically arranged at the lower end of the carrier plate. The scanning component includes a guide shaft, a slider, a camera, a second cable and a resetter. A long groove is opened at the lower end of the carrier plate, and the guide shaft is fixed in the long groove. The slider is slidably connected to the guide shaft and matches the long groove. The camera is connected to the slider and the shooting end faces the conveying mechanism. One end of the second cable is connected to the slider and slides through the carrier plate. The other end of the second cable is connected to the upper end of the body. The resetter is connected and matched with the slider.

5. The photovoltaic glass defect detection device according to claim 4, characterized in that: The resetter is a coil spring box, and the connecting piece of the coil spring box is connected to the slider.

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