CN210156349U - Photovoltaic module defect marking device - Google Patents
Photovoltaic module defect marking device Download PDFInfo
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- CN210156349U CN210156349U CN201920910163.1U CN201920910163U CN210156349U CN 210156349 U CN210156349 U CN 210156349U CN 201920910163 U CN201920910163 U CN 201920910163U CN 210156349 U CN210156349 U CN 210156349U
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model provides a photovoltaic module defect marking device relates to the check out test set field. The method comprises the following steps: the bearing table is provided with a detection area, and the detection area is used for placing a workpiece to be detected; the power supply assembly is arranged on the bearing table and used for providing current and/or voltage for the workpiece to be detected; the infrared camera and the near-infrared camera are both erected above the detection area; the driving assembly is connected with the bearing table, a marking mechanism is arranged on the driving assembly, the driving assembly is used for driving the marking mechanism to move, and the marking mechanism is used for carrying out visual marking on the workpiece to be detected. The utility model provides a photovoltaic module defect marking device can pass through drive assembly drive marking mechanism motion to use marking mechanism directly to accomplish the position mark, do not need artifical manual to mark, simplified the mark flow, avoided the infrared ray that staff self produced simultaneously to the influence that infrared image caused.
Description
Technical Field
The utility model relates to a check out test set field particularly, relates to a photovoltaic module defect marking device.
Background
A plurality of working procedures are required to be carried out on the photovoltaic module during production, and in some working procedures, defects are often generated on the photovoltaic module due to factors such as improper operation. For example, when a laminating process is laid, shunting points are easy to generate on the photovoltaic module, internal defect points can be generated in a coating process due to factors such as scratches, particles or discharge, and the normal operation of the photovoltaic module can be influenced by the shunting points and the defect points. Therefore, shunt points and defect points of the photovoltaic module need to be detected and marked during production. The existing detection method mostly adopts an infrared near-infrared imaging method to determine the existence and the position of a shunt point and a defect point, and the principle is that when constant current or voltage is applied to a photovoltaic module, the imaging colors of the shunt point and the defect point on an infrared image and a near-infrared image are different, so that confirmation is carried out. However, in the existing production line, workers manually confirm the positions and mark the positions through infrared and near-infrared images, the process of the mode is complicated, and when the position is marked artificially, infrared rays emitted by the workers can influence the infrared images, so that errors are generated during marking.
SUMMERY OF THE UTILITY MODEL
The utility model provides a photovoltaic module defect marking device aims at improving the problem that needs artifical manual to carry out the mark when current photovoltaic module defect detecting.
The utility model discloses a realize like this:
a photovoltaic module defect marking apparatus comprising:
the bearing table is provided with a detection area, and the detection area is used for placing a workpiece to be detected;
the power supply assembly is arranged on the bearing table and used for providing current and/or voltage for the workpiece to be detected;
the infrared camera and the near-infrared camera are both erected above the detection area;
the driving assembly is connected with the bearing table, a marking mechanism is arranged on the driving assembly, the driving assembly is used for driving the marking mechanism to move, and the marking mechanism is used for visually marking the workpiece to be detected.
Further, in a preferred embodiment of the present invention, the marking mechanism is provided with a heat source.
Further, in a preferred embodiment of the present invention, a temperature detector is disposed on the marking mechanism.
Further, in the preferred embodiment of the present invention, the detection area is provided with a magnetic adsorption plate for fixing the workpiece to be detected.
Further, in the preferred embodiment of the present invention, the detection area is provided with a pneumatic adsorption component for fixing the workpiece to be detected.
Further, in the preferred embodiment of the present invention, the driving assembly includes a lateral moving mechanism, a longitudinal moving mechanism and a vertical moving mechanism, the lateral moving mechanism is disposed on the carrying platform, the longitudinal moving mechanism is disposed on the lateral moving mechanism, the vertical moving mechanism is disposed on the longitudinal moving mechanism, and the marking mechanism is disposed on the vertical moving mechanism.
Further, in the preferred embodiment of the present invention, the lateral moving mechanism includes a first driver and two lateral sliding ways, two of the lateral sliding ways are disposed in parallel on two sides of the detection area, two of the lateral sliding ways are both connected to the longitudinal moving mechanism in a sliding manner, and at least one of the lateral sliding ways is provided with the first driver, and the first driver is used for driving the longitudinal moving mechanism to move along the lateral sliding ways.
Further, in the embodiment of the preferred embodiment of the present invention, the lateral sliding way is provided with a limiting block, and the limiting block can be adjusted in position along the moving direction of the longitudinal moving mechanism.
Further, in the preferred embodiment of the present invention, the longitudinal moving mechanism includes a second driver and a longitudinal slide, two ends of the longitudinal slide are respectively connected to the two lateral slides in a sliding manner, the vertical moving mechanism is slidably disposed on the longitudinal slide, the second driver is disposed on the longitudinal slide, and the second driver is used for driving the vertical moving mechanism to move along the longitudinal slide.
Further, in the preferred embodiment of the present invention, the vertical moving mechanism includes a third driver and a vertical lifting rod, the vertical lifting rod is slidably disposed on the longitudinal slide, the marking mechanism is disposed on the vertical lifting rod, the third driver is connected to the vertical lifting rod, and the third driver is used for driving the vertical movement of the vertical lifting rod.
The utility model has the advantages that: the utility model discloses a photovoltaic module defect marking device that above-mentioned design obtained will wait to detect work piece (photovoltaic module) and place on the detection zone of plummer to be connected with power supply module, power supply module provides invariable electric current or voltage for waiting to detect the work piece. And then, respectively shooting the workpiece to be detected by using the infrared camera and the near-infrared camera (the infrared camera and the near-infrared camera can adopt a continuous shooting mode or only carry out shooting once, and preferably adopt the continuous shooting mode), and obtaining infrared and near-infrared images. And controlling the driving assembly to drive the marking mechanism to move to the positions of the diversion points or the defect points according to the infrared image and the near infrared image, and then marking through the marking mechanism to finish defect marking. The utility model provides a photovoltaic module defect marking device can pass through drive assembly drive marking mechanism motion to use marking mechanism directly to accomplish the position mark, do not need artifical manual to mark, simplified the mark flow, avoided the infrared ray that staff self produced simultaneously to the influence that infrared image caused.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a photovoltaic module defect marking device provided by an embodiment of the present invention.
Icon: a bearing table 1; a detection zone 11; a power supply module 2; an infrared camera 3; a near-infrared camera 4; a marking mechanism 5; a transverse slideway 6; a stopper 61; a longitudinal slideway 7; a vertical lifting rod 8.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Referring to fig. 1, the present embodiment provides a defect marking apparatus for a photovoltaic device, including:
plummer 1 has detection zone 11, and detection zone 11 is used for placing waiting to detect the work piece.
And the power supply assembly 2 is arranged on the bearing table 1 and is used for providing current and/or voltage for the workpiece to be detected. The power supply module 2 may use an existing dc constant voltage power supply, dc constant current power supply, or dc power supply box. During detection, a workpiece to be detected is placed in the detection area 11 and connected to the power supply module 2. In this embodiment, the power supply module 2 is a dc constant voltage power supply, and can supply a constant voltage to a workpiece connected thereto.
The driving assembly is connected with the bearing table 1, the marking mechanism 5 is arranged on the driving assembly, the driving assembly is used for driving the marking mechanism 5 to move, the marking mechanism 5 is used for carrying out visible marking on a workpiece to be detected, and the driving assembly can drive the marking mechanism 5 to move to any position of the detection area 11. In this embodiment, the marking mechanism 5 is a controllable nozzle capable of spraying the paint, and when the marking mechanism 5 moves to a position above the position of the diversion point or the defect point, the nozzle is controlled to spray the paint to complete marking. In this embodiment, the shower nozzle can adopt monochromatic shower nozzle or polychrome shower nozzle, and when using monochromatic shower nozzle, monochromatic shower nozzle is owing to can only spout the coating of a colour, so monochromatic can realize carrying out visual mark to reposition of redundant personnel point and defect point, but can't carry out the differentiation of reposition of redundant personnel point and defect point in the vision. When using polychrome shower nozzle, adopt different colours to reposition of redundant personnel point and defect point to mark, make the staff can distinguish this point through the colour and be reposition of redundant personnel point or defect point, make things convenient for the follow-up to correspond the restoration.
The photovoltaic module defect marking device that this embodiment provided will wait to detect that work piece (photovoltaic module) places on the detection zone 11 of plummer 1 to be connected with power supply module 2, power supply module 2 provides invariable electric current or voltage, the voltage that is invariable in this embodiment for waiting to detect the work piece.
Then, the infrared camera 3 and the near-infrared camera 4 are used to respectively shoot the workpiece to be detected (the infrared camera 3 and the near-infrared camera 4 can adopt a continuous shooting mode or only shoot once, and preferably adopt a continuous shooting mode), and infrared and near-infrared images are obtained. Because the infrared camera 3 and the near-infrared camera 4 adopt a continuous shooting mode, infrared and near-infrared images are presented as a real-time video mode on the display device, and the condition of the detection area 11 can be displayed in real time.
And after the worker controls the driving assembly to drive the marking mechanism 5 to move to the position of the diversion point or the defect point according to the infrared and near-infrared images, the worker controls the marking mechanism 5 to mark so as to finish defect marking. In practical application, the driving assembly can be set to be in two working modes of automatic working and manual working. Under the automatic working mode, the driving assembly is provided with a controller, and a worker calculates the coordinates of the shunting point or the defect point according to the infrared image and the near infrared image and sends the coordinates to the controller of the driving assembly, so that the driving assembly automatically drives the marking mechanism 5 to move to the position of the shunting point or the defect point, and marking is completed. The calculation coordinate information may be calculated using an existing image processing method. In the manual working mode, the driver is provided with a remote control handle (which can be a button type or a rocker type), a worker controls the driving assembly to move through the remote control handle, the position of the marking mechanism 5 is checked according to the infrared and near-infrared image facts, and the marking mechanism 5 is controlled to mark after the position of the marking mechanism 5 is overlapped with the position of a diversion point or a defect point.
Therefore, the photovoltaic module defect marking device provided by the embodiment can drive the marking mechanism 5 to move through the driving component, and directly complete position marking by using the marking mechanism 5 without manual marking. The marking process is simplified, and meanwhile, the influence of infrared rays generated by workers on infrared images is avoided.
For ease of understanding, the method of identifying the shunting points and the defect points is briefly described herein. After the photovoltaic module (such as a solar cell) is electrified, the photovoltaic module generates heat when current passes through the photovoltaic module, infrared light is emitted, and the infrared light can be captured by the infrared camera 3 to form an infrared image, namely infrared thermal imaging. Meanwhile, when current passes through the photovoltaic module, the radiation recombination effect of current carriers in the photovoltaic module between bands can be excited, near infrared light which can be captured by the near infrared camera 4 is emitted, and a near infrared image, namely electroluminescence, is formed.
In the embodiment, a constant voltage is selected for detection, the subsequent content is exemplified by a constant voltage, the principle is the same under the constant current condition, and the detection process under the constant voltage can be referred to.
According to the shunting point confirming method, the current can be increased under the condition that the voltage is unchanged compared with other normal positions on the photovoltaic module. Since the voltage is constant, according to the formula P ═ UI, the current increase will cause the power to increase, causing the shunt point to generate more heat (reflected as a temperature increase), which will cause the brightness to increase (brighten) on the infrared image, here. Meanwhile, as the current at the position is increased, the carrier generating the radiative recombination effect at the position is increased, more near infrared light is generated, and the brightness at the position on the near infrared image is also improved. The presence of a shunting point can thus be confirmed by comparing the infrared and near-infrared images.
In the defect point determination method, under the condition of a constant voltage, the current of the defect point is also increased, and the brightness of the infrared image at the position is improved by referring to the above contents. The PN junction in the defect spot is damaged and cannot be electroluminescence, that is, near infrared light cannot be generated, so that the brightness of the near infrared image is decreased (darkened). So that the presence of a defect point can be confirmed by comparing the infrared and near-infrared images.
Since the marking mechanism 5 itself does not generate electroluminescence, it is difficult to observe its position on the near-infrared image. Since a certain amount of infrared light is generated only by an object whose temperature is higher than absolute zero, the current position of the marking mechanism 5 is generally confirmed by an infrared image. However, since the temperature of the marking mechanism 5 is close to that of other mechanisms in the periphery (approximately equal to room temperature), the difficulty of observing the position on the infrared image is increased, and an error is easily caused in marking. In order to avoid this problem, in the present embodiment, the marking mechanism 5 is provided with a heat generating source. The temperature of the marking mechanism 5 is increased through the heating source, so that the imaging of the marking mechanism on the infrared image becomes bright, and the position of the marking mechanism can be conveniently observed by a worker. In this embodiment, the heating source may be a resistance wire or other heating components.
In other embodiments, a temperature detector may also be provided on the marking mechanism 5. From the above, the temperature at the positions of the shunt point and the defect point is higher than that at the positions of the periphery. A temperature detector is arranged on the marking mechanism 5, and when the marking mechanism 5 moves to the position of the diversion point or the defect point, the temperature detector can detect the temperature rise at the position. In practical application, the temperature detector can be connected to a control end or equipment such as a computer and the like through a communication line, and the temperature detector sends a feedback signal after detecting the temperature rise. The staff can combine infrared image through feedback signal, the more accurate position of confirming marking mechanism 5. In this embodiment, the temperature detector is a thermosensitive sensor.
Further, in this embodiment, a magnetic absorption plate or a pneumatic absorption component may be disposed at the detection area 11 for positioning the photovoltaic component disposed at the detection area 11. During actual detection, the packaged complete solar cell can be detected, and the unpackaged solar chip can also be detected. When the packaged complete solar cell is detected, the solar cell is only required to be placed in the detection area 11. However, the unpackaged solar chip needs to be fixed before being detected. Therefore, in this embodiment, the unpackaged solar chip can be fixed by disposing a magnetic adsorption plate or a pneumatic adsorption component in the detection region 11. The photovoltaic module defect marking device provided by the embodiment can be simultaneously suitable for a complete solar cell and an unpackaged solar chip. The magnetic adsorption plate can be a natural magnet or an electromagnet, and the pneumatic adsorption component can be a negative pressure adsorption device.
Further, referring to fig. 1, in the present embodiment, the driving component may use a driving device such as a multi-axis robot or a three-axis moving platform to drive the marking mechanism 5 to move. In this embodiment, a specific implementation of the driving assembly is provided: the driving assembly comprises a transverse moving mechanism, a longitudinal moving mechanism and a vertical moving mechanism, the transverse moving mechanism is arranged on the bearing table 1, the longitudinal moving mechanism is arranged on the transverse moving mechanism, the vertical moving mechanism is arranged on the longitudinal moving mechanism, and the marking mechanism 5 is arranged on the vertical moving mechanism. In this embodiment, the horizontal and vertical directions are perpendicular to each other, and the vertical direction is perpendicular to both the horizontal and vertical directions.
Further, referring to fig. 1, in the present embodiment, the transverse moving mechanism includes a first driver and two transverse slideways 6, the two transverse slideways 6 are disposed at two sides of the detection area 11 in parallel, both the two transverse slideways 6 are slidably connected to the longitudinal moving mechanism, and at least one of the transverse slideways 6 is provided with the first driver for driving the longitudinal moving mechanism to move along the transverse slideways 6. In this embodiment, the first driver is a motor, an output shaft of the motor is connected to a screw rod, the screw rod is disposed on the transverse slideway 6 and parallel to the transverse slideway 6, a sliding block with an inner screw hole is sleeved on the screw rod, and the sliding block is fixedly connected to the longitudinal moving mechanism. The motor rotates to drive the nut to move along the screw rod, so that the longitudinal moving mechanism is driven to move along the transverse slide 6. In this embodiment, two transverse slideways 6 are provided and respectively connected with two ends of the longitudinal moving mechanism, so that the longitudinal moving mechanism is more stable in movement.
Further, referring to fig. 1, in the present embodiment, two ends of the transverse sliding way 6 are provided with a limiting block 61, and the position of the limiting block 61 can be adjusted along the moving direction of the longitudinal moving mechanism. When the device works, the movable range of the longitudinal moving mechanism can be adjusted by adjusting the position of the limiting block 61, and the longitudinal moving mechanism is prevented from moving beyond the limit and separating from the transverse slideway 6. In this embodiment, stopper 61 accessible detachable joint mode is connected with transverse slide 6, or is connected with transverse slide 6 through the bolt, realizes stopper 61's position control through changing hookup location.
Further, referring to fig. 1, in the present embodiment, the longitudinal moving mechanism includes a second driver and a longitudinal slide 7, two ends of the longitudinal slide 7 are slidably connected to the two transverse slides 6, specifically, two ends of the longitudinal slide 7 are connected to the two nuts. The vertical moving mechanism is arranged on the longitudinal slide way 7 in a sliding mode, and the second driver is arranged on the longitudinal slide way 7 and used for driving the vertical moving mechanism to move along the longitudinal slide way 7. In this embodiment, the second driver is a motor, an output shaft of the motor is connected to a screw rod, the screw rod is disposed on the longitudinal slide 7 and parallel to the longitudinal slide 7, a slider with an inner screw hole is sleeved on the screw rod, and the slider is fixedly connected to the vertical moving mechanism. The motor rotates to drive the nut to move along the screw rod, so that the vertical moving mechanism is driven to move along the longitudinal slide way 7.
Further, referring to fig. 1, in the present embodiment, the vertical moving mechanism includes a third driver and a vertical lifting rod 8, the vertical lifting rod 8 is slidably disposed on the longitudinal slide 7, the marking mechanism 5 is disposed on the vertical lifting rod 8, and the third driver is connected to the vertical lifting rod 8 and is configured to drive the vertical lifting rod 8 to vertically move. Specifically, the third driver is the electric jar, and the electric jar is connected with the slider on the longitudinal slide 7, and vertical lifter 8 sets up on the telescopic link of electric jar, and electric jar drive telescopic link is flexible to drive vertical lifter motion.
When the device works, the transverse moving mechanism, the longitudinal moving mechanism and the vertical moving mechanism are matched with each other to move so as to drive the marking mechanism 5 to move to a position corresponding to the shunting point or the defect point.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A photovoltaic module defect marking device, comprising:
the bearing table (1) is provided with a detection area (11), and the detection area (11) is used for placing a workpiece to be detected;
the power supply assembly (2) is arranged on the bearing table (1) and is used for providing current and/or voltage for the workpiece to be detected;
the infrared camera (3) and the near-infrared camera (4) are erected above the detection area (11);
the driving assembly is connected with the bearing table (1), a marking mechanism (5) is arranged on the driving assembly, the driving assembly is used for driving the marking mechanism (5) to move, and the marking mechanism (5) is used for visually marking the workpiece to be detected.
2. The photovoltaic module defect marking device according to claim 1, characterized in that the marking mechanism (5) is provided with a heating source.
3. A photovoltaic module defect marking apparatus as claimed in claim 1, characterized in that the marking means (5) is provided with a temperature detector.
4. Photovoltaic module defect marking device according to claim 1, characterized in that the detection zone (11) is provided with a magnetic adsorption plate for fixing the workpiece to be detected.
5. The photovoltaic module defect marking device according to claim 1, characterized in that the detection area (11) is provided with a pneumatic adsorption module for fixing the workpiece to be detected.
6. The photovoltaic module defect marking device according to claim 1, wherein the driving assembly comprises a transverse moving mechanism, a longitudinal moving mechanism and a vertical moving mechanism, the transverse moving mechanism is arranged on the bearing table (1), the longitudinal moving mechanism is arranged on the transverse moving mechanism, the vertical moving mechanism is arranged on the longitudinal moving mechanism, and the marking mechanism (5) is arranged on the vertical moving mechanism.
7. A photovoltaic module defect marking apparatus according to claim 6, wherein the transverse moving mechanism comprises a first driver and two transverse slideways (6), the two transverse slideways (6) are arranged in parallel at two sides of the detection area (11), the two transverse slideways (6) are both connected with the longitudinal moving mechanism in a sliding manner, the first driver is arranged on at least one of the transverse slideways (6), and the first driver is used for driving the longitudinal moving mechanism to move along the transverse slideways (6).
8. The photovoltaic module defect marking device according to claim 7, wherein a limiting block (61) is arranged on the transverse slideway (6), and the position of the limiting block (61) can be adjusted along the moving direction of the longitudinal moving mechanism.
9. The photovoltaic module defect marking device according to claim 7, wherein the longitudinal moving mechanism comprises a second driver and a longitudinal slide (7), two ends of the longitudinal slide (7) are respectively connected with the two transverse slides (6) in a sliding manner, the vertical moving mechanism is arranged on the longitudinal slide (7) in a sliding manner, the second driver is arranged on the longitudinal slide (7), and the second driver is used for driving the vertical moving mechanism to move along the longitudinal slide (7).
10. The photovoltaic module defect marking device according to claim 9, wherein the vertical moving mechanism comprises a third driver and a vertical lifting rod (8), the vertical lifting rod (8) is slidably arranged on the longitudinal slide (7), the marking mechanism (5) is arranged on the vertical lifting rod (8), the third driver is connected with the vertical lifting rod (8), and the third driver is used for driving the vertical lifting rod (8) to vertically move.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920910163.1U CN210156349U (en) | 2019-06-17 | 2019-06-17 | Photovoltaic module defect marking device |
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| CN201920910163.1U CN210156349U (en) | 2019-06-17 | 2019-06-17 | Photovoltaic module defect marking device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112030698A (en) * | 2020-08-18 | 2020-12-04 | 杨永奇 | Highway maintenance car based on high polymer slip casting technique |
| CN115855970A (en) * | 2023-02-21 | 2023-03-28 | 攀枝花大宇包装印刷有限公司 | Automatic detection equipment for printing steel mesh |
| CN116582087A (en) * | 2023-04-18 | 2023-08-11 | 珠海安维特工程检测有限公司 | Photovoltaic system reliability performance detection method |
-
2019
- 2019-06-17 CN CN201920910163.1U patent/CN210156349U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112030698A (en) * | 2020-08-18 | 2020-12-04 | 杨永奇 | Highway maintenance car based on high polymer slip casting technique |
| CN115855970A (en) * | 2023-02-21 | 2023-03-28 | 攀枝花大宇包装印刷有限公司 | Automatic detection equipment for printing steel mesh |
| CN116582087A (en) * | 2023-04-18 | 2023-08-11 | 珠海安维特工程检测有限公司 | Photovoltaic system reliability performance detection method |
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