A brightness detection device

Abstract

This application discloses a brightness detection device, including a support component, a light guide fixing component, and a photosensitive component. The light guide fixing component is fixedly connected to a target light guide, and when the light guide fixing component and the target light guide are in cooperation, the target light guide is located within the sensing area of ​​the photosensitive component. The light guide fixing component and the photosensitive component are arranged along a first direction. The light guide fixing component and the support component are slidably connected along the first direction. The photosensitive component and the support component are slidably connected along the first direction. Under the driving force of an external force, the light guide fixing component and / or the photosensitive component can move towards or away from each other along the first direction, so that the light guide fixing component and the photosensitive component move closer or further away. The brightness detection device of this application can conveniently calibrate the brightness detection of different products under test, and can improve the accuracy of brightness detection of the products under test and the versatility of the brightness detection device.

Description

Technical Field

[0001] This application relates to the field of detection technology, and in particular to a brightness detection device. Background Technology

[0002] Brightness detection devices are used to measure the brightness of products under test, thereby filtering out defective products whose brightness values ​​do not meet the standard values. Specifically, a target light guide is typically used to guide light from the product under test to a photosensitive element, which then performs brightness detection on the product.

[0003] In the prior art, the end of the target light guide near the photosensitive element is usually fixedly connected to the photosensitive element, which can easily lead to the photosensitive element detecting a brightness value of the product under test that is too large or too small, resulting in poor accuracy in detecting the brightness of the product under test, and poor versatility of the brightness detection device. Summary of the Invention

[0004] This application provides a brightness detection device that can conveniently calibrate the brightness detection of different products under test, thereby improving the accuracy of brightness detection of the products under test and the versatility of the brightness detection device.

[0005] The brightness detection device provided in this application includes a support assembly, a light guide fixing assembly, and a photosensitive assembly;

[0006] The light guide fixing assembly can be fixedly connected to the target light guide. When the light guide fixing assembly and the target light guide cooperate, the target light guide is located within the sensing area of ​​the photosensitive assembly.

[0007] The light guide fixing assembly and the photosensitive assembly are disposed along a first direction; the light guide fixing assembly and the support assembly are slidably connected along the first direction; the photosensitive assembly and the support assembly are slidably connected along the first direction.

[0008] Under the driving force of an external force, the light guide fixing component and / or the photosensitive component can move towards or away from each other along the first direction, so that the light guide fixing component and the photosensitive component move closer or further away.

[0009] Furthermore, the photosensitive component includes a photosensitive module and a photosensitive fixing component;

[0010] The photosensitive module and the photosensitive fixing component are fixedly connected, and the photosensitive fixing component is slidably connected to the support assembly along the first direction;

[0011] When the light guide fixing assembly cooperates with the target light guide, the target light guide is located within the sensing area of ​​the photosensitive module.

[0012] Furthermore, the photosensitive module includes a photosensitive element and a sealing element;

[0013] The photosensitive element is fixedly housed within the sealing element, and the sealing element has a sealing connection portion adapted to the target light guide element at one end near the light guide element fixing assembly.

[0014] When the target light guide is engaged with the light guide fixing assembly, the target light guide can extend into the sealing connection portion.

[0015] Furthermore, the brightness detection device also includes at least one first photosensitive distance adjustment element and at least one second photosensitive distance adjustment element;

[0016] The light guide fixing assembly is disposed within the support assembly; the first photosensitive distance adjusting member passes through the support assembly and is connected to the light guide fixing assembly; under the drive of the first photosensitive distance adjusting member, the light guide fixing assembly can move along the first direction;

[0017] The photosensitive component is disposed within the support component; the second photosensitive distance adjustment member passes through the support component and is connected to the photosensitive component; under the drive of the second photosensitive distance adjustment member, the photosensitive component can move along the first direction.

[0018] Furthermore, the brightness detection device also includes a first photosensitive distance indicator and a second photosensitive distance indicator;

[0019] The first photosensitive distance indicator is disposed between the first photosensitive distance adjusting member and the support assembly; the relative positions of the first photosensitive distance indicator and the first photosensitive distance adjusting member in the first direction are fixed;

[0020] The second photosensitive distance indicator is disposed between the second photosensitive distance adjusting member and the support assembly; the relative positions of the second photosensitive distance indicator and the second photosensitive distance adjusting member in the first direction are fixed.

[0021] Furthermore, the support component includes a first side plate, on which at least one adjustable clearance structure is provided;

[0022] The first photosensitive distance indicator is disposed between the first photosensitive distance adjusting member and the first side plate; the first photosensitive distance adjusting member passes through the adjusting and vacating structure and is connected to the light guide fixing assembly;

[0023] The second photosensitive distance indicator is disposed between the second photosensitive distance adjuster and the first side plate; the second photosensitive distance adjuster passes through the adjustment and clearance structure and is connected to the photosensitive component.

[0024] Furthermore, the brightness detection device also includes at least one first auxiliary axis and at least one second auxiliary axis;

[0025] The support assembly also includes a second side plate, which is disposed opposite to the first side plate.

[0026] One end of the first auxiliary shaft is fixedly connected to the light guide fixing assembly, and the other end of the first auxiliary shaft is slidably connected to the second side plate.

[0027] One end of the second auxiliary shaft is fixedly connected to the photosensitive component, and the other end of the first auxiliary shaft is slidably connected to the second side plate.

[0028] Furthermore, the second side plate includes at least one sliding guide groove;

[0029] The sliding guide groove is open at one end along the first direction;

[0030] The first auxiliary shaft and the second auxiliary shaft are slidably connected to the sliding guide groove, respectively.

[0031] Furthermore, the light guide fixing assembly includes a detachably connected light guide fixing base and a light guide fixing pressure plate;

[0032] The light guide fixing base is provided with a first limiting structure, and the light guide fixing plate is provided with a second limiting structure. The first limiting structure and the second limiting structure are arranged to form a light guide fixing position that can be adapted to the target light guide.

[0033] Furthermore, a plurality of protruding structures are provided on the side of the first side plate facing the first photosensitive distance indicator, and the plurality of protruding structures are arranged at equal intervals along the first direction;

[0034] The first photosensitive distance indicator is provided with a first photosensitive distance indicator end, which can be matched with one of the positions of the plurality of protruding structures.

[0035] The second photosensitive distance indicator is provided with a second photosensitive distance indicator end, which can be matched with one of the positions of the plurality of protruding structures.

[0036] The brightness detection device provided in this application has the following beneficial effects:

[0037] The brightness detection device of this application includes a support component, a light guide fixing component, and a photosensitive component. The light guide fixing component can be fixedly connected to a target light guide. When the light guide fixing component and the target light guide are in cooperation, the target light guide is located within the sensing area of ​​the photosensitive component. The light guide fixing component and the photosensitive component are arranged along a first direction. The light guide fixing component and the support component are slidably connected along the first direction. The photosensitive component and the support component are slidably connected along the first direction. Under the driving action of an external force, the light guide fixing component and / or the photosensitive component can move towards or away from each other along the first direction, so that the light guide fixing component and the photosensitive component move closer or further away. In this way, the brightness detection device of this application can conveniently perform corresponding brightness detection calibration for different products under test, and can improve the accuracy of brightness detection of the products under test and the versatility of the brightness detection device. Attached Figure Description

[0038] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0039] Figure 1 A front view of a brightness detection device provided in an embodiment of this application;

[0040] Figure 2 This is an exploded view of a brightness detection device provided in an embodiment of this application;

[0041] Figure 3 This is a top view of a brightness detection device provided in an embodiment of this application;

[0042] Figure 4 This is a side view of a brightness detection device provided in an embodiment of this application.

[0043] The following is supplementary explanation of the attached figures:

[0044] 10-Support assembly; 11-First side plate; 111-Adjustable clearance structure; 112-Protruding structure; 12-Second side plate; 121-Sliding guide groove; 20-Light guide fixing assembly; 21-Light guide fixing base; 211-First limiting structure; 22-Light guide fixing pressure plate; 221-Second limiting structure; 30-Photosensitive assembly; 31-Photosensitive module; 311-Sealing component; 32-Photosensitive fixing component; 40-Target light guide; 50-First photosensitive distance adjusting component; 60-Second photosensitive distance adjusting component; 70-First photosensitive distance indicator; 71-First photosensitive distance indicator end; 80-Second photosensitive distance indicator; 81-Second photosensitive distance indicator end; 90-First auxiliary shaft; 100-Second auxiliary shaft. Detailed Implementation

[0045] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are merely some embodiments of the present application, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present application without creative effort are within the scope of protection of the present application.

[0046] The term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of this application. In the description of this application, it should be understood that the terms "upper," "lower," "top," "bottom," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. Moreover, the terms "first," "second," etc., are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented in orders other than those illustrated or described herein.

[0047] The following is in conjunction with the appendix Figure 1-4 The technical solutions in the embodiments of this application are introduced.

[0048] Please see Figure 1-4The brightness detection device provided in this application includes a support assembly 10, a light guide fixing assembly 20, and a photosensitive assembly 30. The light guide fixing assembly 20 can be fixedly connected to a target light guide 40. When the light guide fixing assembly 20 and the target light guide 40 cooperate, the target light guide 40 is located within the sensing area of ​​the photosensitive assembly 30. The light guide fixing assembly 20 and the photosensitive assembly 30 are arranged along a first direction. The light guide fixing assembly 20 and the support assembly 10 are slidably connected along the first direction. The photosensitive assembly 30 and the support assembly 10 are slidably connected along the first direction. Under the driving action of an external force, the light guide fixing assembly 20 and / or the photosensitive assembly 30 can move towards each other or away from each other along the first direction, so that the light guide fixing assembly 20 and the photosensitive assembly 30 move closer or further away.

[0049] In some embodiments, the brightness detection device further includes a target light guide 40, the first end of which is fixedly connected to the light guide fixing assembly 20 and the first end of which is light-sealed connected to the photosensitive assembly 30, thereby improving the accuracy of brightness detection; the second end of the target light guide 40 is detachably connected to a product sealing box containing the product to be tested, thereby facilitating batch brightness detection.

[0050] Furthermore, the product under test can be a light-emitting component, and the target light guide 40 can guide the light of the light-emitting product under test to the brightness detection device, through which the brightness of the product under test can be detected by the photosensitive component 30.

[0051] For example, the product under test can be a target LED light, and the target light guide 40 can be a target optical fiber.

[0052] Preferably, the product sealing box is a light-shielding sealing box, which is provided with a light guide connection position that matches the second end of the target light guide 40. The second end of the target light guide 40 is detachably connected to the product sealing box through the light guide connection position. When the product sealing box and the second end of the target light guide 40 are in cooperation, the inside of the product sealing box is in a light-sealed state. In this way, the influence of ambient light on brightness detection can be avoided, thereby improving the accuracy of brightness detection of the product under test.

[0053] In some embodiments, to ensure the accuracy and reliability of brightness detection of the product under test, the distance between the product under test and the second end of the target light guide 40 is usually set as the target distance. At this time, the brightness detection value of the product under test obtained by the photosensitive component 30 is the standard value. Based on the standard value, multiple similar products under test can be screened for brightness to screen out unqualified products.

[0054] Furthermore, for the same product under test, when the distance between the product under test and the second end of the target light guide 40 is greater than the target distance, the brightness detection value of the product under test obtained by the photosensitive component 30 is less than the standard value; when the distance between the product under test and the second end of the target light guide 40 is less than the target distance, the brightness detection value of the product under test obtained by the photosensitive component 30 is greater than the standard value.

[0055] Furthermore, if the distance between the product under test and the second end of the target light guide 40 cannot be adjusted to the corresponding target distance, the relative distance between the light guide fixing component 20 and the photosensitive component 30 in the brightness detection device along the first direction is adjusted based on the standard value corresponding to the product under test, so as to calibrate the brightness detection of the product under test and make the brightness value detected by the photosensitive component 30 meet the standard value.

[0056] In some specific embodiments, when the distance between the product under test and the second end of the target light guide 40 is greater than the target distance, the light guide fixing component 20 is driven to move toward the photosensitive component 30 so that the light guide fixing component 20 gets closer to the photosensitive component 30, until the brightness detection value of the product under test detected by the photosensitive component 30 meets the standard value, thus achieving the calibration of brightness detection.

[0057] In some specific embodiments, when the distance between the product under test and the second end of the target light guide 40 is less than the target distance, the light guide fixing component 20 is driven to move away from the photosensitive component 30, so that the light guide fixing component 20 moves away from the photosensitive component 30, until the brightness detection value of the product under test detected by the photosensitive component 30 meets the standard value, thus achieving the calibration of brightness detection.

[0058] In this embodiment, the light guide fixing assembly 20 and the support assembly 10 are slidably connected along the first direction; the photosensitive assembly 30 and the support assembly 10 are slidably connected along the first direction. In this way, it is convenient to calibrate the brightness detection of different products under test, thereby improving the accuracy of brightness detection of different products under test and the versatility of the brightness detection device.

[0059] The brightness detection device in this application embodiment is also particularly suitable for brightness detection of products under test that cannot be light-sealed and are affected by ambient light.

[0060] In some embodiments, due to the influence of ambient light, the brightness detection value of the product under test detected by the photosensitive component 30 may be greater than the standard value. In this case, the relative distance between the light guide fixing component 20 and the photosensitive component 30 along the first direction in the brightness detection device can be adjusted to calibrate the brightness detection of the product under test. In this way, the error in brightness detection caused by ambient light can be reduced.

[0061] Furthermore, when the ambient light is at a first brightness level, the relative distance between the light guide fixing assembly 20 and the photosensitive assembly 30 along the first direction is adjusted to a first distance; when the ambient light is at a second brightness level, the relative distance between the light guide fixing assembly 20 and the photosensitive assembly 30 along the first direction is adjusted to a second distance; wherein, if the first brightness level is greater than the second brightness level, the corresponding first distance is greater than the second distance.

[0062] The brightness detection device of this application includes a support component, a light guide fixing component, and a photosensitive component. The light guide fixing component can be fixedly connected to a target light guide. When the light guide fixing component and the target light guide are in cooperation, the target light guide is located within the sensing area of ​​the photosensitive component. The light guide fixing component and the photosensitive component are arranged along a first direction. The light guide fixing component and the support component are slidably connected along the first direction. The photosensitive component and the support component are slidably connected along the first direction. Under the driving action of an external force, the light guide fixing component and / or the photosensitive component can move towards or away from each other along the first direction, so that the light guide fixing component and the photosensitive component move closer or further away. In this way, the brightness detection device of this application can conveniently perform corresponding brightness detection calibration for different products under test, and can improve the accuracy of brightness detection of the products under test and the versatility of the brightness detection device.

[0063] In this embodiment, the photosensitive component 30 includes a photosensitive module 31 and a photosensitive fixing member 32; the photosensitive module 31 and the photosensitive fixing member 32 are fixedly connected, and the photosensitive fixing member 32 is slidably connected to the support component 10 along a first direction; when the light guide fixing component 20 cooperates with the target light guide 40, the target light guide 40 is located within the sensing area of ​​the photosensitive module 31.

[0064] In some embodiments, the photosensitive module 31 can detect the brightness of the product under test through the target light guide 40; the photosensitive fixing member 32 is slidably connected to the support component 10 along the first direction, so that the relative distance between the photosensitive module 31 and the target light guide 40 along the first direction can be adjusted; during the process of the photosensitive fixing member 32 cooperating with the photosensitive module 31 to adjust along the first direction, the target light guide 40 is always located within the sensing area of ​​the photosensitive module 31.

[0065] In this embodiment, the photosensitive module 31 includes a photosensitive element and a sealing element 311; the photosensitive element is fixedly housed within the sealing element 311; the sealing element 311 is fixedly connected to the photosensitive fixing element 32; a sealing connection portion adapted to the target light guide 40 is provided at one end of the sealing element 311 near the light guide fixing assembly 20; when the target light guide 40 cooperates with the light guide fixing assembly 20, the target light guide 40 can extend into the sealing connection portion.

[0066] Preferably, the photosensitive element can be an ambient light sensor; the photosensitive element can detect the brightness value, tri-color ratio, and color temperature value of the product under test through the target light guide 40.

[0067] In some embodiments, the sealing element 311 is a light-shielding sealing element, which can prevent ambient light from entering the interior of the sealing element 311, thereby avoiding the adverse effects of ambient light on brightness detection and improving the accuracy of brightness detection of the product under test.

[0068] In some embodiments, the axial direction of the sealing connection is aligned with the first direction; the first end of the target light guide 40 can pass through the sealing connection and extend into the sealing member 311. This can improve the light sealing at the connection between the first end of the target light guide 40 and the sealing member 311, thereby further avoiding the adverse effects of ambient light on brightness detection and further improving the accuracy of the photosensitive element in detecting the brightness of the product under test.

[0069] It should be noted that the dimensions of the sealing connection part along the first direction are determined according to the actual situation in order to ensure the light tightness inside the sealing member 311. This application does not limit the dimensions of the sealing connection part along the first direction.

[0070] In some specific embodiments, when the target light guide 40 is a cylindrical target optical fiber, the sealing connection part is a cylindrical connecting pipe; specifically, the inner diameter of the cylindrical connecting pipe is adapted to the outer diameter of the cylindrical target optical fiber; the cylindrical target optical fiber can pass through the cylindrical connecting pipe and slide in the cylindrical connecting pipe, so that the relative distance between the target light guide 40 and the photosensitive element along the first direction can be conveniently adjusted.

[0071] In this embodiment, the brightness detection device further includes at least one first photosensitive distance adjustment member 50 and at least one second photosensitive distance adjustment member 60; the light guide fixing assembly 20 is disposed within the support assembly 10; the first photosensitive distance adjustment member 50 passes through the support assembly 10 and is connected to the light guide fixing assembly 20; under the drive of the first photosensitive distance adjustment member 50, the light guide fixing assembly 20 can move along the first direction; the photosensitive assembly 30 is disposed within the support assembly 10; the second photosensitive distance adjustment member 60 passes through the support assembly 10 and is connected to the photosensitive assembly 30; under the drive of the second photosensitive distance adjustment member 60, the photosensitive assembly 30 can move along the first direction.

[0072] In some embodiments, the support component 10 can be a cuboid with openings at both ends along a first direction, and the cuboid has a receiving space. The light guide fixing component 20 and the photosensitive component 30 can be housed in the receiving space and can move along the first direction within the receiving space.

[0073] In some embodiments, the light guide fixing component 20 is disposed at one open end of the support component 10 along the first direction, and the photosensitive component 30 is disposed at the other open end of the support component 10 along the first direction. The light guide fixing component 20 and the photosensitive component 30 are disposed opposite to each other along the first direction. In this way, the support component 10, the light guide fixing component 20 and the photosensitive component 30 can enclose and form a near light-sealed space, which can further prevent ambient light from entering the interior of the sealed component 311, thereby further improving the accuracy of brightness detection of the product under test.

[0074] In some embodiments, the first photosensitive distance adjustment member 50 can pass through the support assembly 10 and connect to the light guide fixing assembly 20. The relative positions of the first photosensitive distance adjustment member 50 and the light guide fixing assembly 20 along the first direction are fixed. Under the driving action of an external force, the first photosensitive distance adjustment member 50 can move along the first direction, thereby driving the light guide fixing assembly 20 to move along the first direction. In this way, the relative distance between the light guide fixing assembly 20 and the photosensitive member along the first direction can be conveniently adjusted, thereby adjusting the relative distance between the first end of the target light guide 40 and the photosensitive member along the first direction, so as to achieve the calibration of the brightness detection of the product under test, so that the brightness value detected by the photosensitive assembly 30 meets the standard value.

[0075] In some specific embodiments, the first photosensitive distance adjustment member 50 can be a first adjustment bolt, which can pass through the support assembly 10 and be screwed to the light guide fixing assembly 20. When it is necessary to adjust the position of the target light guide 40 along the first direction, firstly, loosen the first adjustment bolt, then drive the first adjustment bolt to move along the first direction until the first end of the target light guide 40 moves to the first target position, and finally tighten the first adjustment bolt to achieve locking and fixing between the light guide fixing assembly 20 and the support assembly 10.

[0076] In some embodiments, the second photosensitive distance adjustment member 60 can pass through the support assembly 10 and connect to the photosensitive fixing member 32. The relative positions of the second photosensitive distance adjustment member 60 and the photosensitive fixing member 32 along the first direction are fixed. Under the driving force of an external force, the second photosensitive distance adjustment member 60 can move along the first direction, thereby driving the photosensitive fixing member 32 to move along the first direction. In this way, the relative distance between the photosensitive fixing member 32 and the light guide fixing assembly 20 along the first direction can be conveniently adjusted, thereby adjusting the relative distance between the photosensitive member and the first end of the target light guide member 40 along the first direction, so as to achieve the calibration of the brightness detection of the product under test.

[0077] In some specific embodiments, the second photosensitive distance adjustment member 60 can be a second adjustment bolt, which can pass through the support assembly 10 and be screwed to the photosensitive fixing member 32. When it is necessary to adjust the position of the photosensitive member along the first direction, first loosen the second adjustment bolt, then move the second adjustment bolt along the first direction until the photosensitive member moves to the second target position, and finally tighten the second adjustment bolt to achieve locking and fixing between the photosensitive fixing member 32 and the support assembly 10.

[0078] Furthermore, when calibrating the brightness detection of the product under test, the position of the light guide fixing assembly 20 in the first direction can be adjusted independently by the first photosensitive distance adjustment component 50; the position of the photosensitive fixing component 32 in the first direction can also be adjusted independently by the second photosensitive distance adjustment component 60; or the first photosensitive distance adjustment component 50 and the second photosensitive distance adjustment component 60 can be adjusted simultaneously to achieve the adjustment of the relative position of the photosensitive component and the first end of the target light guide component 40 along the first direction.

[0079] In this embodiment, the brightness detection device further includes a first photosensitive distance indicator 70 and a second photosensitive distance indicator 80; the first photosensitive distance indicator 70 is disposed between the first photosensitive distance adjusting member 50 and the support assembly 10; the relative positions of the first photosensitive distance indicator 70 and the first photosensitive distance adjusting member 50 in a first direction are fixed; the second photosensitive distance indicator 80 is disposed between the second photosensitive distance adjusting member 60 and the support assembly 10; the relative positions of the second photosensitive distance indicator 80 and the second photosensitive distance adjusting member 60 in a first direction are fixed.

[0080] In some embodiments, the first photosensitive distance indicator 70 is provided with at least one first adjustment member connection position, and the number of first adjustment member connection positions is the same as the number of first photosensitive distance adjustment members 50; the first photosensitive distance adjustment member 50 can pass through the first adjustment member connection position and connect to the light guide fixing assembly 20; the first photosensitive distance indicator 70 can indicate the relative distance between the photosensitive member and the first end of the target light guide member 40 along the first direction.

[0081] In some specific embodiments, the first adjustment member connection position is a first limiting through hole adapted to the first photosensitive distance adjustment member 50. The first photosensitive distance adjustment member 50 can pass through the first limiting through hole and connect to the light guide fixing assembly 20. When the first photosensitive distance adjustment member 50 locks the support assembly 10 and the light guide fixing assembly 20, the first photosensitive distance indicator 70 is pressed and fixed between the first photosensitive distance adjustment member 50 and the support assembly 10, thus achieving the fixation of the first photosensitive distance indicator 70.

[0082] In some embodiments, the second photosensitive distance indicator 80 is provided with at least one second adjustment member connection position, and the number of second adjustment member connection positions is the same as the number of second photosensitive distance adjustment members 60; the second photosensitive distance adjustment member 60 can pass through the second adjustment member connection position and connect to the photosensitive fixing member 32; the second photosensitive distance indicator 80 can indicate the relative distance between the photosensitive member and the first end of the target light guide member 40 along the first direction.

[0083] In some specific embodiments, the second adjustment member connection position is a second limiting through hole adapted to the second photosensitive distance adjustment member 60. The second photosensitive distance adjustment member 60 can pass through the second limiting through hole and connect to the photosensitive fixing member 32. When the second photosensitive distance adjustment member 60 locks the support component 10 and the photosensitive fixing member 32, the second photosensitive distance indicator 80 is pressed and fixed between the second photosensitive distance adjustment member 60 and the support component 10, thus achieving the fixation of the second photosensitive distance indicator 80.

[0084] In this embodiment, the support component 10 includes a first side plate 11, on which at least one adjustment clearance structure 111 is provided; a first photosensitive distance indicator 70 is disposed between a first photosensitive distance adjuster 50 and the first side plate 11; the first photosensitive distance adjuster 50 passes through the adjustment clearance structure 111 and is connected to the light guide fixing component 20; a second photosensitive distance indicator 80 is disposed between a second photosensitive distance adjuster 60 and the first side plate 11; the second photosensitive distance adjuster 60 passes through the adjustment clearance structure 111 and is connected to the photosensitive component 30.

[0085] In some embodiments, the light guide fixing assembly 20 and the photosensitive assembly 30 are disposed on the inner side of the first side plate 11, and the first photosensitive distance adjusting member 50, the second photosensitive distance adjusting member 60, the first photosensitive distance indicator 70 and the second photosensitive distance indicator 80 are disposed on the outer side of the first side plate 11.

[0086] In some embodiments, the adjustment avoidance structure 111 includes an adjustment avoidance slot. During the movement of the first photosensitive distance adjustment member 50 and the second photosensitive distance adjustment member 60 along the first direction, the adjustment avoidance slot can avoid the first photosensitive distance adjustment member 50 and the second photosensitive distance adjustment member 60, thereby enabling the movement of the first photosensitive distance adjustment member 50 and the second photosensitive distance adjustment member 60 in the first direction.

[0087] In some specific embodiments, the brightness detection device includes two first photosensitive distance adjustment elements 50 and two second photosensitive distance adjustment elements 60, and correspondingly, two adjustment clearance structures 111 are provided on the first side plate 11.

[0088] In this embodiment, the brightness detection device further includes at least one first auxiliary shaft 90 and at least one second auxiliary shaft 100; the support assembly 10 further includes a second side plate 12, which is disposed opposite to the first side plate 11; one end of the first auxiliary shaft 90 is fixedly connected to the light guide fixing assembly 20, and the other end of the first auxiliary shaft 90 is slidably connected to the second side plate 12; one end of the second auxiliary shaft 100 is fixedly connected to the photosensitive assembly 30, and the other end of the first auxiliary shaft 90 is slidably connected to the second side plate 12.

[0089] In some embodiments, the light guide fixing assembly 20 is disposed between the second side plate 12 and the first side plate 11; the first auxiliary shaft 90 and the first photosensitive distance adjustment component 50 are disposed on both sides of the light guide fixing assembly 20; the first auxiliary shaft 90 and the second side plate 12 are slidably connected along the first direction, thereby realizing the movement guidance of the light guide fixing assembly 20 along the first direction.

[0090] In some embodiments, the photosensitive component 30 is disposed between the second side plate 12 and the first side plate 11; the second auxiliary shaft 100 and the second photosensitive distance adjustment member 60 are disposed on both sides of the photosensitive component 30; the second auxiliary shaft 100 and the second side plate 12 are slidably connected along the first direction, thereby realizing the motion guidance of the photosensitive component 30 along the first direction.

[0091] In this embodiment of the application, the second side plate 12 includes at least one sliding guide groove 121; one end of the sliding guide groove 121 is open along a first direction; the first auxiliary shaft 90 and the second auxiliary shaft 100 are slidably connected to the sliding guide groove 121 respectively.

[0092] In some embodiments, a first bearing is sleeved on the first auxiliary shaft 90, and the first auxiliary shaft 90 is slidably connected to the sliding guide groove 121 through the first bearing. In this way, the frictional resistance between the first auxiliary shaft 90 and the sliding guide groove 121 can be reduced, and the smoothness of the relative sliding between the first auxiliary shaft 90 and the sliding guide groove 121 can be improved.

[0093] In some embodiments, a second bearing is sleeved on the second auxiliary shaft 100, and the second auxiliary shaft 100 is slidably connected to the sliding guide groove 121 through the second bearing. In this way, the frictional resistance between the second auxiliary shaft 100 and the sliding guide groove 121 can be reduced, and the smoothness of the relative sliding between the second auxiliary shaft 100 and the sliding guide groove 121 can be improved.

[0094] In some embodiments, the sliding guide groove 121 is arranged along the first direction, and the sliding guide groove 121 is open at one end near the photosensitive component 30. This allows for convenient disassembly and installation of the photosensitive component 30, thereby improving the maintenance convenience of the brightness detection device.

[0095] In some embodiments, the brightness detection device includes two first auxiliary shafts 90 and two second auxiliary shafts 100. Correspondingly, two sliding guide grooves 121 are provided on the second side plate 12, thereby improving the reliability of the sliding guide.

[0096] In this embodiment, the light guide fixing assembly 20 includes a detachably connected light guide fixing base 21 and a light guide fixing pressure plate 22; the light guide fixing base 21 is provided with a first limiting structure 211, and the light guide fixing pressure plate 22 is provided with a second limiting structure 221, and the first limiting structure 211 and the second limiting structure 221 enclose a light guide fixing position that can be adapted to the target light guide 40.

[0097] In some embodiments, the first auxiliary shaft 90 and the first photosensitive distance adjustment member 50 are respectively connected to both sides of the light guide fixing base 21; the target light guide 40 is fixed by the light guide fixing position; the light guide fixing base 21 and the light guide fixing pressure plate 22 are detachably connected, so that the target light guide 40 can be easily replaced, thereby improving the maintenance convenience of the brightness detection device.

[0098] In some specific embodiments, the first limiting structure 211 can be a first groove, and the second limiting structure 221 can be a second groove. The first groove and the second groove cooperate to form a light guide fixing position. The light guide fixing base 21 and the light guide fixing pressure plate 22 are screwed together to achieve the pressing and fixing of the target light guide 40.

[0099] In this embodiment, a plurality of protruding structures 112 are provided on the side of the first side plate 11 facing the first photosensitive distance indicator 70, and the plurality of protruding structures 112 are equally spaced along the first direction; the first photosensitive distance indicator 70 is provided with a first photosensitive distance indicator end 71, which can match one of the positions of the plurality of protruding structures 112; the second photosensitive distance indicator 80 is provided with a second photosensitive distance indicator end 81, which can match one of the positions of the plurality of protruding structures 112.

[0100] This facilitates marking and recording the relative distance between the first end of the target light guide 40 and the photosensitive element, and makes it easy to mark and record the calibration of the test product that has been calibrated for brightness detection. In this way, brightness detection can be switched between different test products.

[0101] In some specific embodiments, when performing brightness detection on the first product under test, the relative distance between the first end of the target light guide 40 and the photosensitive element is first adjusted to achieve corresponding brightness detection calibration. At this time, the first position indicated by the first photosensitive distance indicator 71 and the second photosensitive distance indicator 81 is marked and recorded. When performing brightness detection on the second product under test, the relative distance between the first end of the target light guide 40 and the photosensitive element is first adjusted to achieve corresponding brightness detection calibration. At this time, the second position indicated by the first photosensitive distance indicator 71 and the second photosensitive distance indicator 81 is marked and recorded. When performing brightness detection on the first product under test again, the first photosensitive distance indicator 71 and the second photosensitive distance indicator 81 are simply adjusted to the recorded first position. When performing brightness detection on the second product under test again, the first photosensitive distance indicator 71 and the second photosensitive distance indicator 81 are simply adjusted to the recorded second position. In this way, the detection efficiency of batch mixed inspection of the brightness detection device can be improved.

[0102] In some embodiments, the first side plate 11 is provided with a plurality of recessed structures on the side facing the first photosensitive distance indicator 70, and the plurality of recessed structures are provided at equal intervals along a first direction; the first photosensitive distance indicator 70 is provided with a first photosensitive distance indicator end 71, which can match one of the positions of the plurality of recessed structures; the second photosensitive distance indicator 80 is provided with a second photosensitive distance indicator end 81, which can match one of the positions of the plurality of recessed structures.

[0103] The brightness detection device in this embodiment can conveniently calibrate the brightness detection of different products under test, thereby improving the accuracy of brightness detection and the versatility of the brightness detection device. Secondly, the brightness detection device in this embodiment can avoid the influence of ambient light on brightness detection, thus improving the accuracy of brightness detection of the products under test. In addition, the brightness detection device in this embodiment can conveniently disassemble and install the target light guide 40 and the photosensitive component 30, thereby improving the maintenance convenience of the brightness detection device.

[0104] The following describes specific embodiments of this application based on the above technical solution.

[0105] Example 1

[0106] Please see Figure 1-4Embodiment 1 provides a brightness detection device, including a support assembly 10, a light guide fixing assembly 20, a photosensitive assembly 30, and a target light guide 40; the light guide fixing assembly 20 is fixedly connected to the target light guide 40, and the target light guide 40 is located within the sensing area of ​​the photosensitive assembly 30; the light guide fixing assembly 20 and the photosensitive assembly 30 are arranged along a first direction; the light guide fixing assembly 20 and the support assembly 10 are slidably connected along the first direction; the photosensitive assembly 30 and the support assembly 10 are slidably connected along the first direction; under the driving action of an external force, the light guide fixing assembly 20 and / or the photosensitive assembly 30 can move towards each other or away from each other along the first direction, so that the light guide fixing assembly 20 and the photosensitive assembly 30 move closer or further away.

[0107] The first end of the target light guide 40 is fixedly connected to the light guide fixing assembly 20, and the first end of the target light guide 40 is light-sealed connected to the photosensitive assembly 30, which can improve the accuracy of brightness detection; the second end of the target light guide 40 is detachably connected to the product sealing box containing the product to be tested, which can facilitate batch brightness detection.

[0108] The product sealing box is a light-shielding sealing box. The product sealing box is provided with a light guide connection position that is adapted to the second end of the target light guide 40. The second end of the target light guide 40 is detachably connected to the product sealing box through the light guide connection position. When the product sealing box and the second end of the target light guide 40 are in cooperation, the inside of the product sealing box is in a light-sealed state. In this way, the influence of ambient light on brightness detection can be avoided, thereby improving the accuracy of brightness detection of the product under test.

[0109] To ensure the accuracy and reliability of brightness detection of the product under test, the distance between the product under test and the second end of the target light guide 40 is usually set as the target distance. At this time, the brightness detection value of the product under test obtained by the photosensitive component 30 is the standard value. If the distance between the product under test and the second end of the target light guide 40 cannot be adjusted to the corresponding target distance, the relative distance between the light guide fixing component 20 and the photosensitive component 30 in the first direction is adjusted based on the standard value corresponding to the product under test, so as to calibrate the brightness detection of the product under test and make the brightness value obtained by the photosensitive component 30 meet the standard value.

[0110] The support component 10 is a cuboid with openings at both ends along the first direction. The cuboid has a receiving space, in which the light guide fixing component 20 and the photosensitive component 30 can be housed and moved along the first direction.

[0111] The support assembly 10 includes a first side plate 11 and a second side plate 12, which are arranged opposite to each other. The first side plate 11 is provided with two adjustment and clearance structures 111, and the second side plate 12 is provided with two sliding guide grooves 121.

[0112] The light guide fixing component 20 is disposed at one open end of the support component 10 along the first direction, and the photosensitive component 30 is disposed at the other open end of the support component 10 along the first direction. The light guide fixing component 20 and the photosensitive component 30 are disposed opposite to each other along the first direction. In this way, the support component 10, the light guide fixing component 20 and the photosensitive component 30 can enclose and form a near light-sealed space, which can prevent ambient light from entering the interior of the sealed component 311, thereby improving the accuracy of brightness detection of the product under test.

[0113] The photosensitive component 30 includes a photosensitive element, a sealing element 311, and a photosensitive fixing element 32. The photosensitive element can detect the brightness of the product under test through the target light guide 40. The sealing element 311 is a light-shielding sealing element. The photosensitive element is fixedly housed in the sealing element 311, and the sealing element 311 is fixedly connected to the photosensitive fixing element 32. The photosensitive fixing element 32 is slidably connected to the first side plate 11 along a first direction, so that the relative distance between the photosensitive element and the target light guide 40 along the first direction can be adjusted. During the process of the photosensitive fixing element 32 cooperating with the photosensitive element to adjust along the first direction, the first end of the target light guide 40 is always located within the sensing area of ​​the photosensitive element.

[0114] The sealing member 311 has a sealing connection part adapted to the target light guide 40 at one end near the light guide fixing assembly 20; the axial direction of the sealing connection part is consistent with the first direction; the first end of the target light guide 40 can pass through the sealing connection part and extend into the sealing member 311. In this way, the light sealing performance at the connection between the first end of the target light guide 40 and the sealing member 311 can be improved, thereby further avoiding the adverse effects of ambient light on brightness detection and further improving the accuracy of the photosensitive element in detecting the brightness of the product under test.

[0115] The light guide fixing assembly 20 includes a light guide fixing base 21 and a light guide fixing pressure plate 22. The light guide fixing base 21 has a first groove, and the light guide fixing pressure plate 22 has a second groove. The first groove and the second groove cooperate to form a light guide fixing position that can be adapted to the target light guide 40. The light guide fixing base 21 and the light guide fixing pressure plate 22 are screwed together to achieve tight fixing of the target light guide 40. This allows for convenient replacement of the target light guide 40, thereby improving the maintenance convenience of the brightness detection device.

[0116] The brightness detection device also includes two first photosensitive distance adjustment components 50 and two second photosensitive distance adjustment components 60; the light guide fixing assembly 20 is disposed within the support assembly 10; the first photosensitive distance adjustment components 50 pass through the adjustment clearance structure 111 and are connected to the light guide fixing base 21; under the drive of the first photosensitive distance adjustment components 50, the light guide fixing assembly 20 can move along the first direction; the photosensitive component 30 is disposed within the support assembly 10; the second photosensitive distance adjustment components 60 pass through the adjustment clearance structure 111 and are connected to the photosensitive fixing component 32; under the drive of the second photosensitive distance adjustment components 60, the photosensitive component 30 can move along the first direction; thus, the relative distance between the light guide fixing assembly 20 and the photosensitive component along the first direction can be conveniently adjusted, thereby adjusting the relative distance between the first end of the target light guide 40 and the photosensitive component along the first direction, so as to achieve the calibration of the brightness detection of the product under test, so that the brightness value detected by the photosensitive component 30 meets the standard value.

[0117] The first photosensitive distance adjustment component 50 is the first adjustment bolt. When it is necessary to adjust the position of the target light guide 40 along the first direction, the first adjustment bolt is first loosened, and then the first adjustment bolt is driven to move along the first direction until the first end of the target light guide 40 moves to the first target position. Finally, the first adjustment bolt is locked to achieve the locking and fixing between the light guide fixing component 20 and the support component 10.

[0118] The second photosensitive distance adjustment component 60 is the second adjustment bolt. When it is necessary to adjust the position of the photosensitive component along the first direction, first loosen the second adjustment bolt, then drive the second adjustment bolt to move along the first direction until the photosensitive component moves to the second target position, and finally tighten the second adjustment bolt to achieve locking and fixing between the photosensitive fixing component 32 and the support component 10.

[0119] The brightness detection device also includes a first photosensitive distance indicator 70, which can indicate the relative distance between the photosensitive element and the first end of the target light guide 40 along a first direction. The first photosensitive distance indicator 70 is disposed between the first photosensitive distance adjusting element 50 and the first side plate 11. The first photosensitive distance indicator 70 is provided with a first photosensitive distance indicating end 71 and two first limiting through holes. The first photosensitive distance adjusting element 50 can pass through the first limiting through holes and connect to the light guide fixing base 21. When the first photosensitive distance adjusting element 50 locks the first side plate 11 and the light guide fixing base 21, the first photosensitive distance indicator 70 is pressed and fixed between the first photosensitive distance adjusting element 50 and the first side plate 11, thus achieving the fixation of the first photosensitive distance indicator 70.

[0120] The brightness detection device also includes a second photosensitive distance indicator 80, which can indicate the relative distance between the photosensitive element and the first end of the target light guide 40 along a first direction. The second photosensitive distance indicator 80 is disposed between the second photosensitive distance adjusting element 60 and the first side plate 11. The second photosensitive distance indicator 80 is provided with a second photosensitive distance indicating end 81 and two second limiting through holes. The second photosensitive distance adjusting element 60 can pass through the second limiting through holes and connect to the photosensitive fixing element 32. When the second photosensitive distance adjusting element 60 locks the first side plate 11 and the photosensitive fixing element 32, the second photosensitive distance indicator 80 is pressed and fixed between the second photosensitive distance adjusting element 60 and the first side plate 11, thus achieving the fixation of the second photosensitive distance indicator 80.

[0121] The first side plate 11 has multiple raised structures 112 on the side facing the first photosensitive distance indicator 70, and the multiple raised structures 112 are equally spaced along a first direction. The first photosensitive distance indicator 70 has a first photosensitive distance indicator end 71, which can match one of the multiple raised structures 112. The second photosensitive distance indicator 80 has a second photosensitive distance indicator end 81, which can match one of the multiple raised structures 112. In this way, it is convenient to mark and record the relative distance between the first end of the target light guide 40 and the photosensitive element, and it is convenient to calibrate and record the test product that has been calibrated for brightness detection. Thus, it is possible to switch between different test products for brightness detection.

[0122] The brightness detection device includes two first auxiliary shafts 90. One end of the first auxiliary shaft 90 is fixedly connected to the light guide fixing base 21, and the other end of the first auxiliary shaft 90 is fitted with a first bearing. The first auxiliary shaft 90 is slidably connected to the sliding guide groove 121 through the first bearing. In this way, the movement of the light guide fixing assembly 20 along the first direction is guided, and the frictional resistance between the first auxiliary shaft 90 and the sliding guide groove 121 is reduced, thereby improving the smoothness of the relative sliding between the first auxiliary shaft 90 and the sliding guide groove 121.

[0123] The brightness detection device includes two second auxiliary shafts 100. One end of the second auxiliary shaft 100 is fixedly connected to the photosensitive fixing member 32, and the other end of the first auxiliary shaft 90 is fitted with a second bearing. The second auxiliary shaft 100 is slidably connected to the sliding guide groove 121 through the second bearing. In this way, the motion guidance of the photosensitive component 30 along the first direction is realized, and the frictional resistance between the second auxiliary shaft 100 and the sliding guide groove 121 is reduced, thereby improving the smoothness of the relative sliding between the second auxiliary shaft 100 and the sliding guide groove 121.

[0124] The sliding guide groove 121 is arranged along the first direction, and the sliding guide groove 121 is open at one end near the photosensitive component 30. This allows for convenient disassembly and installation of the photosensitive component 30, thereby improving the maintenance convenience of the brightness detection device.

[0125] Example 2

[0126] The difference between Embodiment 2 and Embodiment 1 lies in the arrangement of the first side plate 11. The similarities with Embodiment 1 will not be repeated here. The differences between Embodiment 2 and Embodiment 1 are explained below:

[0127] The first side plate 11 has multiple recessed structures on the side facing the first photosensitive distance indicator 70, and the multiple recessed structures are equally spaced along the first direction; the first photosensitive distance indicator end 71 can match one position of the multiple recessed structures, and the second photosensitive distance indicator end 81 can match another position of the multiple recessed structures. In this way, the detection efficiency of batch mixed inspection of the brightness detection device can be improved.

[0128] The above are merely preferred embodiments of this application and are not intended to limit this application. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A brightness detection device, characterized in that, It includes a support assembly (10), a light guide fixing assembly (20), and a photosensitive assembly (30); The light guide fixing assembly (20) can be fixedly connected to the target light guide (40). When the light guide fixing assembly (20) and the target light guide (40) cooperate, the target light guide (40) is located in the sensing area of ​​the photosensitive assembly (30). The light guide fixing assembly (20) and the photosensitive assembly (30) are arranged along a first direction; the light guide fixing assembly (20) and the support assembly (10) are slidably connected along the first direction; the photosensitive assembly (30) and the support assembly (10) are slidably connected along the first direction; Under the driving force of an external force, the light guide fixing assembly (20) and / or the photosensitive assembly (30) can move towards each other or away from each other along the first direction, so that the light guide fixing assembly (20) and the photosensitive assembly (30) move closer or further away; The first end of the target light guide (40) is fixedly connected to the light guide fixing assembly (20), and the first end of the target light guide (40) is light-tightly connected to the photosensitive assembly (30).

2. The brightness detection device according to claim 1, characterized in that, The photosensitive component (30) includes a photosensitive module (31) and a photosensitive fixing component (32); The photosensitive module (31) and the photosensitive fixing member (32) are fixedly connected, and the photosensitive fixing member (32) is slidably connected to the support assembly (10) along the first direction; When the light guide fixing assembly (20) cooperates with the target light guide (40), the target light guide (40) is located within the sensing area of ​​the photosensitive module (31).

3. The brightness detection device according to claim 2, characterized in that, The photosensitive module (31) includes a photosensitive element and a sealing element (311); The photosensitive element is fixedly housed within the sealing member (311), and the sealing member (311) has a sealing connection portion adapted to the target light guide (40) at one end near the light guide fixing assembly (20). When the target light guide (40) is engaged with the light guide fixing assembly (20), the target light guide (40) can extend into the sealing connection portion.

4. The brightness detection device according to any one of claims 1-3, characterized in that, The brightness detection device further includes at least one first photosensitive distance adjustment element (50) and at least one second photosensitive distance adjustment element (60); The light guide fixing assembly (20) is disposed inside the support assembly (10); the first photosensitive distance adjusting member (50) passes through the support assembly (10) and is connected to the light guide fixing assembly (20); under the drive of the first photosensitive distance adjusting member (50), the light guide fixing assembly (20) can move along the first direction; The photosensitive component (30) is disposed within the support component (10); the second photosensitive distance adjustment member (60) passes through the support component (10) and is connected to the photosensitive component (30); under the drive of the second photosensitive distance adjustment member (60), the photosensitive component (30) can move along the first direction.

5. The brightness detection device according to claim 4, characterized in that, The brightness detection device further includes a first photosensitive distance indicator (70) and a second photosensitive distance indicator (80); The first photosensitive distance indicator (70) is disposed between the first photosensitive distance adjuster (50) and the support assembly (10); the relative positions of the first photosensitive distance indicator (70) and the first photosensitive distance adjuster (50) in the first direction are fixed; The second photosensitive distance indicator (80) is disposed between the second photosensitive distance adjuster (60) and the support assembly (10); the relative positions of the second photosensitive distance indicator (80) and the second photosensitive distance adjuster (60) in the first direction are fixed.

6. The brightness detection device according to claim 5, characterized in that, The support assembly (10) includes a first side plate (11), on which at least one adjustable clearance structure (111) is provided; The first photosensitive distance indicator (70) is disposed between the first photosensitive distance adjustment member (50) and the first side plate (11); the first photosensitive distance adjustment member (50) passes through the adjustment clearance structure (111) and is connected to the light guide fixing assembly (20); The second photosensitive distance indicator (80) is disposed between the second photosensitive distance adjuster (60) and the first side plate (11); the second photosensitive distance adjuster (60) passes through the adjustment clearance structure (111) and is connected to the photosensitive component (30).

7. The brightness detection device according to claim 6, characterized in that, The brightness detection device further includes at least one first auxiliary axis (90) and at least one second auxiliary axis (100); The support assembly (10) further includes a second side plate (12), which is disposed opposite to the first side plate (11); One end of the first auxiliary shaft (90) is fixedly connected to the light guide fixing assembly (20), and the other end of the first auxiliary shaft (90) is slidably connected to the second side plate (12); One end of the second auxiliary shaft (100) is fixedly connected to the photosensitive component (30), and the other end of the first auxiliary shaft (90) is slidably connected to the second side plate (12).

8. The brightness detection device according to claim 7, characterized in that, The second side plate (12) includes at least one sliding guide groove (121); The sliding guide groove (121) is open at one end along the first direction; The first auxiliary shaft (90) and the second auxiliary shaft (100) are slidably connected to the sliding guide groove (121).

9. The brightness detection device according to any one of claims 1-3, characterized in that, The light guide fixing assembly (20) includes a detachably connected light guide fixing base (21) and a light guide fixing pressure plate (22); The light guide fixing base (21) is provided with a first limiting structure (211), and the light guide fixing plate (22) is provided with a second limiting structure (221). The first limiting structure (211) and the second limiting structure (221) enclose each other to form a light guide fixing position that can be adapted to the target light guide (40).

10. The brightness detection device according to claim 6, characterized in that, The first side plate (11) is provided with a plurality of protruding structures (112) on the side facing the first photosensitive distance indicator (70), and the plurality of protruding structures (112) are provided at equal intervals along the first direction; The first photosensitive distance indicator (70) is provided with a first photosensitive distance indicator end (71), which can be matched with one of the plurality of protrusion structures (112); The second photosensitive distance indicator (80) is provided with a second photosensitive distance indicator end (81), which can be matched with one of the plurality of protrusion structures (112).

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