Transmittance detection system and control method thereof

Abstract

The present application relates to a transmittance detection system and a control method thereof. The transmittance detection system includes an image acquisition device, a transmittance detection device, a position adjustment device, a central control device and a data processing device. The central control device is electrically connected to the image acquisition device for acquiring position image information. The data processing device is electrically connected between the central control device and the position adjustment device. The position adjustment device adjusts the position of the transmittance detection device according to the position adjustment instruction, so that the transmittance detection device is positioned and focused on the surface of the light-transmitting element, and detects the spectral transmittance of the light-transmitting element. The transmittance detection system realizes the feedback of the position information of the light-transmitting element through the image acquisition device. The central control device automatically adjusts the position of the light-transmitting element according to the feedback information, so that the transmittance detection device is positioned and focused for detection. The whole process avoids repeated adjustment of the position of the light-transmitting element, thereby improving work efficiency.

Description

Technical Field

[0001] The present application relates to the field of detection technology, and in particular to a transmittance detection system and a control method thereof. Background Art

[0002] Translucent elements include display screens, protective films or eye lenses. Before a translucent element leaves the factory, its spectral transmittance needs to be tested. The accuracy of the detection of the translucent element is related to the position accuracy of the detection device and the light measurement accuracy.

[0003] Usually, when detecting light-transmitting components, the position of the detection components needs to be adjusted repeatedly, which reduces the work efficiency. Summary of the invention

[0004] Based on this, it is necessary to provide a transmittance detection system and a control method thereof to address the problem of low working efficiency due to the need to repeatedly adjust the position of the detection element during the detection of the light-transmitting element.

[0005] A transmittance detection system is used to detect the spectral transmittance of a light-transmitting element, comprising an image acquisition device, a transmittance detection device, a position adjustment device, a central control device and a data processing device.

[0006] The image acquisition device is used to acquire the position image of the light-transmitting element. The transmittance detection device is used to detect the spectral transmittance of the light-transmitting element. The position adjustment device is fixed to the transmittance detection device. The central control device is electrically connected to the image acquisition device, and is used to acquire position image information, and compare the position image information with the standard position information to obtain a position adjustment instruction. The data processing device is electrically connected between the central control device and the position adjustment device. The data processing device is used to receive the position adjustment instruction and transmit the position adjustment instruction to the position adjustment device. The position adjustment device adjusts the position of the transmittance detection device according to the position adjustment instruction, so that the transmittance detection device is positioned and focused on the surface of the light-transmitting element.

[0007] In one embodiment, the position adjustment device includes a first fixing device, a plurality of stepper motors and a first driving device. The transmittance detection device is fixed to the first fixing device. The plurality of stepper motors are connected to the first fixing device for adjusting the position of the first fixing device. The first driving device is electrically connected between the data processing device and the plurality of stepper motors. The first driving device converts the position adjustment instruction into a current signal and transmits it to the plurality of stepper motors for controlling the start and stop of the plurality of stepper motors.

[0008] In one embodiment, the first driving device includes a plurality of stepper drivers and a pulse interface module. The plurality of stepper drivers are electrically connected to the plurality of stepper motors in a one-to-one correspondence. The pulse interface module is electrically connected between the data processing device and the plurality of stepper drivers, and is used to rectify the position adjustment instruction.

[0009] In one embodiment, the transmittance detection system further includes an identity recognition device, which is used to scan the light-transmitting element and recognize the identity information of the light-transmitting element, and is electrically connected to the central control device to transmit the identity information to the central control device.

[0010] In one embodiment, the transmittance detection system further includes a conveying device, a conveying motor, and a second driving device. The conveying device is used to convey the light-transmitting element. The conveying motor is connected to the conveying device and is used to convey the light-transmitting element to a predetermined position. The second driving device is electrically connected between the data processing device and the conveying motor. The second driving device transmits the real-time position information of the conveying device to the data processing device. The data processing device obtains a limit signal based on the real-time position information and the preset position information, and transmits the limit signal to the second driving device, which is used to control the start and stop of the conveying motor through the second driving device to control the position of the light-transmitting element.

[0011] In one embodiment, the first fixing device is a suction cup for adsorbing the light-transmitting element, and the transmittance detection system further comprises a vacuum generator. The vacuum generator is connected to the data processing device for receiving a start-stop control signal, and the vacuum generator is connected to the suction cup for providing low pressure to the suction cup.

[0012] A control method for a transmittance detection system as described in any of the above embodiments, comprising:

[0013] S100, the image acquisition device acquires the position image of the light-transmitting element.

[0014] S200, the central control device collects the position image information, and the central control device compares the position image information with the standard position information to obtain a position adjustment instruction.

[0015] S300, the data processing device receives the position adjustment instruction, and transmits the position adjustment instruction to the position adjustment device, and the position adjustment device adjusts the position of the transmittance detection device according to the position adjustment instruction, so that the transmittance detection device is positioned and focused on the surface of the light-transmitting element.

[0016] In one embodiment, the position adjustment device further includes a first fixing device, a plurality of stepper motors and a first driving device. The step S300 includes:

[0017] S310: The first driving device converts the position adjustment instruction into a current signal and transmits it to the multiple stepping motors.

[0018] S320, the multiple stepper motors adjust the position of the first fixing device.

[0019] In one embodiment, the transmittance detection system further includes an identity recognition device. Before step S100, it further includes:

[0020] S010, the identity recognition device scans the light-transmitting element to identify the identity information of the light-transmitting element, and transmits the identity information to the central control device.

[0021] In one embodiment, the transmittance detection system further includes a conveying device, a conveying motor and a second driving device. Before step S010, it also includes:

[0022] S001, the conveying device transports the light-transmitting element to a first working position.

[0023] After step S010, the method further includes:

[0024] S011, the conveying device transports the light-transmitting element to a second working position.

[0025] After step S200, the method further includes:

[0026] S210, the conveying device transports the light-transmitting element to a third working position.

[0027] The transmittance detection system provided by the present application includes the image acquisition device, the transmittance detection device, the position adjustment device, the central control device and the data processing device. The image acquisition device acquires the position image of the light-transmitting element. The central control device is electrically connected to the image acquisition device and is used to acquire position image information. The central control device compares the position image information with the standard position information to obtain a position adjustment instruction. The data processing device is electrically connected between the central control device and the position adjustment device. The data processing device receives the position adjustment instruction and transmits the position adjustment instruction to the position adjustment device. The position adjustment device adjusts the position of the transmittance detection device according to the position adjustment instruction so that the transmittance detection device is positioned and focused on the surface of the light-transmitting element to detect the spectral transmittance of the light-transmitting element. The transmittance detection system realizes the feedback of the position information of the light-transmitting element through the image acquisition device. The central control device automatically adjusts the position of the light-transmitting element according to the feedback information so that the transmittance detection device is positioned and focused for detection. The whole process avoids repeated adjustment of the position of the light-transmitting element and improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 An electrical schematic diagram of the transmittance detection system provided in one embodiment of the present application;

[0029] Figure 2 An electrical schematic diagram of the transmittance detection system provided in another embodiment of the present application;

[0030] Figure 3 An electrical schematic diagram of the transmittance detection system provided in another embodiment of the present application;

[0031] Figure 4 A flowchart of the transmittance detection system provided in one embodiment of the present application;

[0032] Figure 5 This is a workflow diagram of the transmittance detection system provided in another embodiment of the present application.

[0033] Figure Number:

[0034] Transmittance detection system 10

[0035] Light-transmitting element 100

[0036] Image acquisition device 20

[0037] Transmittance detection device 30

[0038] Position adjustment device 40

[0039] First fixing device 410

[0040] Multiple stepper motors 420

[0041] X-axis stepper motor 421

[0042] Y-axis stepper motor 422

[0043] Z-axis stepper motor 423

[0044] First driving device 430

[0045] Multiple stepper drivers 440

[0046] X-axis stepper driver 441

[0047] Y-axis stepper driver 442

[0048] Z-axis stepper driver 443

[0049] Pulse Interface Module 450

[0050] Central control device 50

[0051] Data processing device 60

[0052] Motion Control Module 610

[0053] Digital-to-analog conversion module 620

[0054] Identity recognition device 70

[0055] Conveyor device 80

[0056] Servo motor 90

[0057] Second driving device 900

[0058] Vacuum generator 110

[0059] Indicator light 120

[0060] Switch device 130 DETAILED DESCRIPTION

[0061] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present application, so the present application is not limited by the specific implementation disclosed below.

[0062] The serial numbers assigned to the components herein, such as "first", "second", etc., are only used to distinguish the objects described and do not have any order or technical meaning. The "connection" and "coupling" mentioned in this application, unless otherwise specified, include direct and indirect connections (couplings). In the description of this application, it should be understood that the orientation or position relationship indicated by the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc. are based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing this application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to this application.

[0063] In the present application, unless otherwise clearly specified and limited, a first feature being “above” or “below” a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being “above”, “above”, and “above” a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being “below”, “below”, and “below” a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0064] See also Figure 1 The embodiment of the present application provides a transmittance detection system 10 for detecting the spectral transmittance of a light-transmitting element 100, including an image acquisition device 20, a transmittance detection device 30, a position adjustment device 40, a central control device 50 and a data processing device 60.

[0065] The image acquisition device 20 is used to acquire the position image of the light-transmitting element 100. The transmittance detection device 30 is used to detect the spectral transmittance of the light-transmitting element 100. The transmittance detection device 30 is fixed to the position adjustment device 40. The central control device 50 is electrically connected to the image acquisition device 20, and is used to acquire position image information, and compare the position image information with the standard position information to obtain a position adjustment instruction. The data processing device 60 is electrically connected between the central control device 50 and the position adjustment device 40. The data processing device 60 is used to receive the position adjustment instruction and transmit the position adjustment instruction to the position adjustment device 40. The position adjustment device 40 adjusts the position of the transmittance detection device 30 according to the position adjustment instruction, so that the transmittance detection device 30 is positioned and focused on the surface of the light-transmitting element 100.

[0066] The transmittance detection system 10 provided in the present application includes the image acquisition device 20, the transmittance detection device 30, the position adjustment device 40, the central control device 50 and the data processing device 60. The image acquisition device 20 acquires the position image of the light-transmitting element 100. The central control device 50 is electrically connected to the image acquisition device 20 and is used to acquire position image information. The central control device 50 compares the position image information with the standard position information to obtain a position adjustment instruction. The data processing device 60 is electrically connected between the central control device and the position adjustment device. The data processing device 60 receives the position adjustment instruction and transmits the position adjustment instruction to the position adjustment device 40. The position adjustment device 40 adjusts the position of the transmittance detection device 30 according to the position adjustment instruction so that the transmittance detection device 30 is positioned and focused on the surface of the light-transmitting element 100 to detect the spectral transmittance of the light-transmitting element. The transmittance detection system 10 realizes the feedback of the position information of the light-transmitting element 100 through the image acquisition device 20. The central control device 50 automatically adjusts the position of the light-transmitting element 100 according to the feedback information, so that the transmittance detection device 30 is positioned and focused for detection. The whole process avoids repeated adjustment of the position of the light-transmitting element 100, thereby improving work efficiency.

[0067] In one embodiment, the light-transmitting element 100 may be a display screen, a protective film, a lens, or glass, etc. A position mark and an identity mark are provided on the surface of the light-transmitting element 100 .

[0068] In one embodiment, the image acquisition device 20 may be a camera, a video recorder or other image forming device. In one embodiment, the image acquisition device 20 is a CCD camera with high resolution to improve detection accuracy. In one embodiment, the image acquisition device 20 may acquire position marks on the surface of the light-transmitting element 100 to adjust the position of the light-transmitting element 100.

[0069] The transmittance detection device 30 may be a spectrometer, a spectrum display or a spectrum analyzer, etc. In one embodiment, the transmittance detection device 30 is a spectrometer, which is used to detect the spectral transmittance of the light-transmitting element 100 .

[0070] The position adjustment device 40 is used to fix the transmittance detection device 30 , adjust the position of the transmittance detection device 30 , and position and focus on the surface of the light-transmitting element 100 .

[0071] Please also see Figure 2In one embodiment, the position adjustment device 40 includes a first fixing device 410, a plurality of stepper motors 420 and a first driving device 430. The transmittance detection device 30 is fixed to the first fixing device 410. The plurality of stepper motors 420 are connected to the first fixing device 410 to adjust the position of the first fixing device 410. The first driving device 430 is electrically connected between the data processing device 60 and the plurality of stepper motors 420. The first driving device 430 converts the position adjustment instruction into a current signal and transmits it to the plurality of stepper motors 420 to control the start and stop of the plurality of stepper motors 420.

[0072] The first fixing device 410 may be a supporting block, a platform or other fixing devices, and is used to fix the transmittance detection device 30 .

[0073] The plurality of stepper motors 420 include one or more of an X-axis stepper motor 421, a Y-axis stepper motor 422, and a Z-axis stepper motor 423. One or more of the X-axis stepper motor 421, the Y-axis stepper motor 422, and the Z-axis stepper motor 423 are connected to the first fixture 410 for adjusting the position of the first fixture 410.

[0074] In one embodiment, the first driving device 430 includes a plurality of stepping drivers 440 and a pulse interface module 450. The plurality of stepping drivers 440 are electrically connected to the plurality of stepping motors 420 in a one-to-one correspondence. The pulse interface module 450 is electrically connected between the data processing device 60 and the plurality of stepping drivers 440, and is used to rectify the position adjustment instruction.

[0075] Please also see Figure 3 In one embodiment, the pulse interface module 450 is ASD-DMC-RM04PI. The data processing device 60 includes an ASDA PCI card. The ASDA PCI card has data analysis and processing functions. In one embodiment, the data processing device 60 also includes a digital-to-analog conversion module for realizing the conversion between digital signals and analog signals. The digital-to-analog conversion module is an ASDA I / O card.

[0076] According to the types of the plurality of stepper motors 420 , a stepper driver 440 matching the stepper motors 420 is provided. The stepper driver 440 may be one or more. The pulse interface module 450 may rectify the alternating current into a square wave form so as to drive the stepper motors 420 .

[0077] In one embodiment, the plurality of stepper drivers 440 include an X-axis stepper driver 441, a Y-axis stepper driver 442, and a Z-axis stepper driver 443, and the plurality of stepper motors 420 include an X-axis stepper motor 421, a Y-axis stepper motor 422, and a Z-axis stepper motor 423. The X-axis stepper driver 441 is electrically connected to the X-axis stepper motor 421 and the pulse interface module 450. The Y-axis stepper driver 442 is electrically connected to the Y-axis stepper motor 422 and the pulse interface module 450. The Z-axis stepper driver 443 is electrically connected to the Z-axis stepper motor 423 and the pulse interface module 450. The position adjustment device 40 realizes position adjustment in three directions to improve the detection accuracy.

[0078] In one embodiment, the transmittance detection system 10 further includes an identity recognition device 70. The identity recognition device 70 is used to scan the light-transmitting element 100 and recognize the identity information of the light-transmitting element 100. The identity recognition device 70 is electrically connected to the central control device 50 and is used to transmit the identity information to the central control device 50.

[0079] In one embodiment, the identification device 70 is used to scan the identity of the light-transmitting element 100. The identity can be a QR code, a bar code or other identification. The order of identity recognition and spectral transmittance detection is not limited.

[0080] In one embodiment, the transmittance detection system 10 further includes a conveying device 80, a conveying motor 90, and a second driving device 900. The conveying device 80 is used to convey the light-transmitting element 100. The conveying motor 90 is connected to the conveying device 80, and is used to convey the light-transmitting element 100 to a predetermined position. The second driving device 900 is electrically connected between the data processing device 60 and the conveying motor 90. The second driving device 900 transmits the real-time position information of the conveying device 80 to the data processing device 60. The data processing device 60 obtains a limit signal based on the real-time position information and the preset position information, and transmits the limit signal to the second driving device 900, which is used to control the start and stop of the conveying motor 90 through the second driving device 900 to control the position of the light-transmitting element 100.

[0081] In one embodiment, the transmission device 80 is a belt transmission, a chain transmission, a gear rack transmission, a threaded screw transmission or a linear motor transmission.

[0082] In one embodiment, the first fixing device 410 is a suction cup for adsorbing the light-transmitting element 100, and the transmittance detection system 10 further includes a vacuum generator 110. The vacuum generator 110 is connected to the data processing device 60 for receiving a start-stop control signal, and the vacuum generator 110 is connected to the suction cup for providing low pressure to the suction cup.

[0083] Please also see Figure 4 , a control method of the transmittance detection system 10 as described in any of the above embodiments, comprising:

[0084] S100 , the image acquisition device 20 acquires the position image of the light-transmitting element 100 .

[0085] S200, the central control device 50 collects the position image information, and the central control device compares the position image information with the standard position information to obtain a position adjustment instruction.

[0086] S300, the data processing device 60 receives the position adjustment instruction, and transmits the position adjustment instruction to the position adjustment device 40, and the position adjustment device 40 adjusts the position of the transmittance detection device 30 according to the position adjustment instruction, so that the transmittance detection device 30 is positioned and focused on the surface of the light-transmitting element 100.

[0087] In one embodiment, the position adjustment device 40 further includes a first fixing device 410, a plurality of stepper motors 420 and a first driving device 430. The step S300 includes:

[0088] S310 , the first driving device 430 converts the position adjustment instruction into a current signal and transmits it to the multiple stepping motors 420 .

[0089] S320 , the plurality of stepper motors 420 adjust the position of the first fixing device 410 .

[0090] In one embodiment, the transmittance detection system 10 further includes an identity recognition device 70. Before step S100, it further includes:

[0091] S010 , the identity recognition device 70 scans the light-transmitting element 100 to recognize the identity information of the light-transmitting element 100 , and transmits the identity information to the central control device 50 .

[0092] In one embodiment, the transmittance detection system 10 further includes a conveying device 80, a conveying motor 90 and a second driving device 900. Before step S010, it further includes:

[0093] S001, the conveying device 80 conveys the light-transmitting element 100 to a first working position.

[0094] After step S010, the method further includes:

[0095] S011, the conveying device 80 conveys the light-transmitting element 100 to a second working position.

[0096] After step S200, the method further includes:

[0097] S210, the conveying device 80 conveys the light-transmitting element 100 to a third working position.

[0098] Please also see Figure 5 In one embodiment, the light-transmitting element 100 is a display screen. The data processing device 60 includes an electrically connected I / O card and a PCI card. The central control device 50 is an industrial computer. The pulse interface module 450 is ASD-DMC-RM04PI. The second driving device 900 is a servo driver. The conveying device 80 is a carrier. The identification device 70 is a two-dimensional code scanning device. The image acquisition device 20 is a CCD camera. The conveying motor 90 is a servo motor. The transmittance detection device 30 is a spectrometer. The transmittance detection system 10 also includes an indicator light.

[0099] The control method of the transmittance detection system 10 is:

[0100] Place the display screen on the suction cup and press the start button. The start button is electrically connected to the I / O card. The I / O card receives the digital signal and transmits the start digital signal to the PCI card. The PCI card transmits the start signal to the industrial computer. The industrial computer issues a start command and transmits it to the PCI card. The PCI card converts the start command into a digital signal and transmits it to the I / O card. The I / O card transmits the digital signal to the vacuum generator 110. The vacuum generator 110 generates negative pressure, so that the suction cup fixes the display screen. At this time, the indicator light is green.

[0101] At the same time, the PCI card outputs an analog signal to drive the servo driver to drive the servo motor to drive the carrier to move along the Y axis. The servo driver transmits real-time position information to the PCI card, and the PCI card compares the real-time position information with the first preset position information, and the carrier stops when it moves to the first working position.

[0102] After the industrial computer collects the QR code, the servo motor drives the stage to continue to move along the Y axis. When the stage moves to the second working position, it stops. The CCD camera takes a photo. The industrial computer collects position image information, compares the position image information with the standard position information, obtains a position adjustment instruction, and outputs the position adjustment instruction to the PCI card.

[0103] The servo motor drives the stage to continue moving along the Y axis. When the stage moves to the third working position, it stops. The PCI card transmits the adjustment analog signal to ASD-DMC-RM04PI to control the X-axis stepper driver 441, the Y-axis stepper driver 442 and the Z-axis stepper driver 443 to drive the X-axis stepper motor 421, the Y-axis stepper motor 422 and the Z-axis stepper motor 423 to move. The X-axis stepper motor 421, the Y-axis stepper motor 422 and the Z-axis stepper motor 423 adjust the position of the spectrometer according to the position adjustment instruction so that the positioning is focused on the surface of the display screen. The spectrometer detects the transmittance of the display screen and transmits it to the industrial computer. The industrial computer controls the stage to return to the initial position and controls the vacuum generator to turn off, and the indicator light is yellow at this time.

[0104] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0105] The above-described embodiments only express several implementation methods of the present application, but they cannot be understood as limiting the scope of the present application. It should be pointed out that, for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present application, which all belong to the protection scope of the present application. Therefore, the protection scope of the present application shall be based on the attached claims.

Claims

1. A transmittance detection system for detecting the spectral transmittance of a light-transmitting element (100), characterized in that: include: An image acquisition device (20) for acquiring a position image of the light-transmitting element (100); A transmittance detection device (30) for detecting the spectral transmittance of the light-transmitting element (100); A position adjustment device (40), wherein the transmittance detection device (30) is fixed to the position adjustment device (40); A central control device (50) is electrically connected to the image acquisition device (20) and is used to acquire position image information and compare the position image information with standard position information to obtain a position adjustment instruction; A data processing device (60) is electrically connected between the central control device (50) and the position adjustment device (40), the data processing device (60) is used to receive the position adjustment instruction and transmit the position adjustment instruction to the position adjustment device (40), the position adjustment device (40) adjusts the position of the transmittance detection device (30) according to the position adjustment instruction, so that the transmittance detection device (30) is positioned and focused on the surface of the light-transmitting element (100).

2. The transmittance detection system according to claim 1, characterized in that: The position adjustment device (40) comprises: A first fixing device (410), the transmittance detection device (30) being fixed to the first fixing device (410); a plurality of stepper motors (420), connected to the first fixing device (410), and used for adjusting the position of the first fixing device (410); A first driving device (430) is electrically connected between the data processing device (60) and the plurality of stepper motors (420), and the first driving device (430) converts the position adjustment instruction into a current signal and transmits the current signal to the plurality of stepper motors (420) for controlling the start and stop of the plurality of stepper motors (420).

3. The transmittance detection system according to claim 2, characterized in that: The first driving device (430) comprises: A plurality of stepper drivers (440) are electrically connected to the plurality of stepper motors (420) in a one-to-one correspondence; The pulse interface module (450) is electrically connected between the data processing device (60) and the plurality of stepping drivers (440) and is used for rectifying the position adjustment instruction.

4. The transmittance detection system according to claim 1, characterized in that: Also includes: An identity recognition device (70) is used to scan the light-transmitting element (100) and recognize identity information of the light-transmitting element (100); the identity recognition device (70) is electrically connected to the central control device (50) and is used to transmit the identity information to the central control device (50).

5. The transmittance detection system according to claim 1, characterized in that: Also includes: A conveying device (80) for conveying the light-transmitting element (100); a conveying motor (90), connected to the conveying device (80), and used to convey the light-transmitting element (100) to a predetermined position; The second driving device (900) is electrically connected between the data processing device (60) and the transmission motor (90). The second driving device (900) transmits real-time position information of the transmission device (80) to the data processing device (60). The data processing device (60) obtains a limit signal based on the real-time position information and preset position information, and transmits the limit signal to the second driving device (900), so as to control the start and stop of the transmission motor (90) through the second driving device (900) to control the position of the light-transmitting element (100).

6. The transmittance detection system according to claim 3, characterized in that: The first fixing device (410) is a suction cup, used for adsorbing the light-transmitting element (100), and the transmittance detection system further comprises: A vacuum generator (110) is connected to the data processing device (60) and is used to receive a start / stop control signal. The vacuum generator (110) is connected to the suction cup and is used to provide low pressure for the suction cup.

7. A control method for a transmittance detection system according to any one of claims 1 to 6, characterized in that: The control method comprises: S100, the image acquisition device (20) acquires the position image of the light-transmitting element (100); S200, the central control device (50) collects the position image information, and the central control device compares the position image information with the standard position information to obtain a position adjustment instruction; S300, the data processing device (60) receives the position adjustment instruction and transmits the position adjustment instruction to the position adjustment device (40), and the position adjustment device (40) adjusts the position of the transmittance detection device (30) according to the position adjustment instruction, so that the transmittance detection device (30) is positioned and focused on the surface of the light-transmitting element (100).

8. The control method of the transmittance detection system according to claim 7, wherein the position adjustment device (40) further comprises a first fixing device (410), a plurality of stepping motors (420) and a first driving device (430), characterized in that: The step S300 includes: S310, the first driving device (430) converts the position adjustment instruction into a current signal and transmits it to the plurality of stepping motors (420); S320, the plurality of stepper motors (420) adjust the position of the first fixing device (410).

9. The control method of the transmittance detection system according to claim 8, characterized in that: The transmittance detection system (10) further includes an identity recognition device (70), and before step S100, further includes: S010, the identity recognition device (70) scans the light-transmitting element (100) to identify the identity information of the light-transmitting element (100), and transmits the identity information to the central control device (50).

10. The control method of the transmittance detection system according to claim 9, characterized in that: The transmittance detection system (10) further comprises a conveying device (80), a conveying motor (90) and a second driving device (900), and before step S010, further comprises: S001, the conveying device (80) conveys the light-transmitting element (100) to a first working position; After step S010, the method further includes: S011, the conveying device (80) conveys the light-transmitting element (100) to a second working position; After step S200, the method further includes: S210, the conveying device (80) conveys the light-transmitting element (100) to a third working position.

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