CN219142016U

CN219142016U - Brightness detection device

Info

Publication number: CN219142016U
Application number: CN202223383035.7U
Authority: CN
Inventors: 毕研洋; 曹黎明
Original assignee: Suzhou Forkins Electronics Technology Co ltd
Current assignee: Suzhou Forkins Electronics Technology Co ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-06-06
Anticipated expiration: 2032-12-16

Abstract

The application discloses a brightness detection device, which comprises a support component, a light guide fixing component and a photosensitive component; the light guide piece fixing component can be fixedly connected with the target light guide piece, and the target light guide piece is positioned in the sensing area of the photosensitive component under the condition that the light guide piece fixing component is matched with the target light guide piece; the light guide piece fixing component and the photosensitive component are arranged along a first direction; the light guide piece fixing component is connected with the supporting component in a sliding way along a first direction; the photosensitive assembly is in sliding connection with the supporting assembly along a first direction; under the driving action of external force, the light guide fixing component and/or the photosensitive component can move in opposite directions or in opposite directions along the first direction, so that the light guide fixing component and the photosensitive component are close to or far away from each other. The brightness detection device can conveniently calibrate corresponding brightness detection of different products to be detected, and can improve the accuracy of the brightness detection of the products to be detected and the universality of the brightness detection device.

Description

Brightness detection device

Technical Field

The application relates to the field of detection technology, in particular to a brightness detection device.

Background

The brightness detection device is used for detecting the brightness of the product to be detected so as to screen unqualified products of which the brightness detection value does not meet the standard value. Specifically, a target light guide member is generally adopted to guide light to a photosensitive member, and brightness detection of the product to be detected is realized through the photosensitive member.

In the prior art, one end of the target light guide member, which is close to the photosensitive member, is usually fixedly connected with the photosensitive member, so that the brightness detection value of the product to be detected is easily larger or smaller, the accuracy of detecting the brightness of the product to be detected is poor, and the universality of the brightness detection device is poor.

Disclosure of Invention

The application provides a brightness detection device, which can conveniently calibrate corresponding brightness detection of different products to be detected, and can improve the accuracy of the brightness detection of the products to be detected and the universality of the brightness detection device.

The brightness detection device comprises a support assembly, a light guide fixing assembly and a photosensitive assembly;

the light guide piece fixing component can be fixedly connected with a target light guide piece, and the target light guide piece is positioned in the sensing area of the photosensitive component under the condition that the light guide piece fixing component is matched with the target light guide piece;

the light guide fixing component and the photosensitive component are arranged along a first direction; the light guide piece fixing component is connected with the supporting component in a sliding mode along the first direction; the photosensitive assembly is in sliding connection with the supporting assembly along the first direction;

under the driving action of external force, the light guide fixing component and/or the photosensitive component can move oppositely or reversely along the first direction, so that the light guide fixing component and the photosensitive component are close to or far away from each other.

Further, the photosensitive assembly comprises a photosensitive module and a photosensitive fixing piece;

the photosensitive module is fixedly connected with the photosensitive fixing piece, and the photosensitive fixing piece is in sliding connection with the supporting component along the first direction;

and under the condition that the light guide fixing assembly is matched with the target light guide, the target light guide is positioned in the sensing area of the photosensitive module.

Further, the photosensitive module comprises a photosensitive piece and a sealing piece;

the photosensitive piece is fixedly accommodated in the sealing piece, and a sealing connecting part matched with the target light guide piece is arranged at one end, close to the light guide piece fixing assembly, of the sealing piece;

the target light guide can extend into the sealing connection portion with the target light guide mated with the light guide securing assembly.

Further, the brightness detection device further comprises at least one first photosensitive distance adjusting piece and at least one second photosensitive distance adjusting piece;

the light guide piece fixing component is arranged in the supporting component; the first photosensitive distance adjusting piece passes through the supporting component and is connected with the light guide piece fixing component; the light guide piece fixing component can move along the first direction under the drive of the first photosensitive distance adjusting piece;

The photosensitive component is arranged in the supporting component; the second photosensitive distance adjusting piece passes through the supporting component and is connected with the photosensitive component; the photosensitive assembly can move along the first direction under the drive of the second photosensitive distance adjusting piece.

Further, the brightness detection device further comprises a first photosensitive distance indicator and a second photosensitive distance indicator;

the first photosensitive distance indicator is arranged between the first photosensitive distance adjusting piece and the supporting component; the relative positions of the first photosensitive distance indicating piece and the first photosensitive distance adjusting piece in the first direction are fixed;

the second photosensitive distance indicator is arranged between the second photosensitive distance adjusting piece and the supporting component; the relative positions of the second photosensitive distance indicating piece and the second photosensitive distance adjusting piece in the first direction are fixed.

Further, the support assembly comprises a first side plate, and at least one adjusting avoidance structure is arranged on the first side plate;

the first photosensitive distance indicator is arranged between the first photosensitive distance adjusting piece and the first side plate; the first photosensitive distance adjusting piece penetrates through the adjusting avoidance structure and is connected with the light guide piece fixing assembly;

The second photosensitive distance indicator is arranged between the second photosensitive distance adjusting piece and the first side plate; the second photosensitive distance adjusting piece penetrates through the adjusting avoidance structure and is connected with the photosensitive assembly.

Further, the brightness detection device further comprises at least one first auxiliary shaft and at least one second auxiliary shaft;

the support assembly further comprises a second side plate, and the second side plate is arranged opposite to the first side plate;

one end of the first auxiliary shaft is fixedly connected with the light guide piece fixing assembly, and the other end of the first auxiliary shaft is in sliding connection with the second side plate;

one end of the second auxiliary shaft is fixedly connected with the photosensitive assembly, and the other end of the first auxiliary shaft is in sliding connection with the second side plate.

Further, the second side plate comprises at least one sliding guide groove;

one end of the sliding guide groove along the first direction is opened;

the first auxiliary shaft and the second auxiliary shaft are respectively connected with the sliding guide groove in a sliding mode.

Further, the light guide fixing assembly comprises a light guide fixing base and a light guide fixing pressing plate which are detachably connected;

the light guide fixing base is provided with a first limiting structure, the light guide fixing pressing plate is provided with a second limiting structure, and the first limiting structure and the second limiting structure are enclosed to form a light guide fixing position which can be matched with the target light guide.

Further, a plurality of protruding structures are arranged on one side, facing the first photosensitive distance indicator, of the first side plate, and the protruding structures are arranged at equal intervals along the first direction;

the first photosensitive distance indicating piece is provided with a first photosensitive distance indicating end which can be matched with one position of the plurality of protruding structures;

the second photosensitive distance indicating piece is provided with a second photosensitive distance indicating end, and the second photosensitive distance indicating end can be matched with one position of the plurality of protruding structures.

The application provides a luminance detection device has following beneficial effect:

the brightness detection device comprises a support assembly, a light guide fixing assembly and a photosensitive assembly; the light guide piece fixing component can be fixedly connected with the target light guide piece, and the target light guide piece is positioned in the sensing area of the photosensitive component under the condition that the light guide piece fixing component is matched with the target light guide piece; the light guide piece fixing component and the photosensitive component are arranged along a first direction; the light guide piece fixing component is connected with the supporting component in a sliding way along a first direction; the photosensitive assembly is in sliding connection with the supporting assembly along a first direction; under the driving action of external force, the light guide fixing component and/or the photosensitive component can move oppositely or reversely along the first direction so as to enable the light guide fixing component and the photosensitive component to be close to or far away from each other; therefore, the brightness detection device can conveniently calibrate corresponding brightness detection of different products to be detected, and can improve the accuracy of the brightness detection of the products to be detected and the universality of the brightness detection device.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a front view of a brightness detection device according to an embodiment of the present disclosure;

fig. 2 is an exploded schematic view of a brightness detecting device according to an embodiment of the present application;

fig. 3 is a top view of a brightness detecting device according to an embodiment of the present disclosure;

fig. 4 is a side view of a brightness detection device according to an embodiment of the present application.

The following supplementary explanation is given to the accompanying drawings:

10-a support assembly; 11-a first side plate; 111-adjusting the avoidance structure; 112-a bump structure; 12-a second side panel; 121-a sliding guide groove; 20-a light guide fixing assembly; 21-a light guide fixing base; 211-a first limiting structure; 22-a light guide fixing platen; 221-a second limiting structure; 30-a photosensitive assembly; 31-a photosensitive module; 311-a closure; 32-a photosensitive fixing member; 40-target light guide; 50-a first photosensitive distance adjusting member; 60-a second photosensitive distance adjusting member; 70-a first photosensitive distance indicator; 71-a first photosensitive distance indication end; 80-a second photosensitive distance indicator; 81-a second photosensitive distance indicating end; 90-a first auxiliary shaft; 100-a second auxiliary shaft.

Detailed Description

In order to enable those skilled in the art to better understand the present application, the following description will make clear and complete descriptions of the technical solutions in the embodiments of the present application with reference to the accompanying drawings in the embodiments of the present application. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

Reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic may be included in at least one implementation of the present application. In the description of the present application, it should be understood that the terms "upper," "lower," "top," "bottom," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the apparatus or elements in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may include one or more of the feature, either explicitly or implicitly. Moreover, the terms "first," "second," and the like, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or otherwise described herein.

The following describes the technical solutions in the embodiments of the present application with reference to fig. 1 to 4.

Referring to fig. 1 to 4, the brightness detection device provided in the embodiment of the present 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 with the target light guide 40, and the target light guide 40 is positioned in the sensing area of the photosensitive assembly 30 under the condition that the light guide fixing assembly 20 is matched with the target light guide 40; the light guide fixing assembly 20 and the photosensitive assembly 30 are arranged along a first direction; the light guide fixing assembly 20 is slidably connected with the supporting assembly 10 along a first direction; the photosensitive assembly 30 is slidably connected with the support assembly 10 along a first direction; under the driving action of the 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 are close to or far away from each other.

In some embodiments, the brightness detection device further includes a target light guide 40, the first end of the target light guide 40 is fixedly connected with the light guide fixing component 20, and the first end of the target light guide 40 is optically and hermetically connected with the photosensitive component 30, so that the accuracy of brightness detection can be improved; the second end of the target light guide 40 is detachably connected with the product sealing box containing the product to be tested, so that the brightness detection in batches can be conveniently performed.

Further, the product to be measured may be a light emitting member capable of emitting light, and the target light guiding member 40 is capable of guiding the light of the product to be measured to the brightness detecting device, so that the brightness of the product to be measured can be detected by the photosensitive assembly 30.

Illustratively, the product to be tested may be a target led lamp and the target light guide 40 may be a target optical fiber.

Preferably, the product closed box is a shading closed box, the product closed box is provided with a light guide piece connecting position matched with the second end of the target light guide piece 40, and the second end of the target light guide piece 40 is detachably connected with the product closed box through the light guide piece connecting position; under the condition that the product closed box is matched with the second end of the target light guide piece 40, the product closed box is in a light closed state, so that the influence of ambient light on brightness detection can be avoided, and the accuracy of the brightness detection of a product to be detected is improved.

In some embodiments, to ensure the accuracy and reliability of the brightness detection of the product to be detected, the distance between the product to be detected and the second end of the target light guide 40 is generally set as the target distance, where the brightness detection value of the product to be detected by the photosensitive assembly 30 is a standard value; based on the standard value, brightness screening can be carried out on a plurality of similar products to be detected so as to screen out unqualified products.

Further, for the same product to be tested, in the case that the distance between the product to be tested and the second end of the target light guide 40 is greater than the target distance, the brightness detection value of the product to be tested detected by the photosensitive assembly 30 is smaller than the standard value; in the case that the distance between the product to be measured and the second end of the target light guide 40 is smaller than the target distance, the brightness detection value of the product to be measured detected by the photosensitive assembly 30 is greater than the standard value.

Further, in the case that the distance between the product to be measured and the second end of the target light guide 40 cannot be adjusted to the corresponding target distance, based on the standard value corresponding to the product to be measured, the relative distance between the light guide fixing assembly 20 and the photosensitive assembly 30 in the brightness detection device along the first direction is adjusted, so as to calibrate the brightness detection of the product to be measured, so that the brightness value detected by the photosensitive assembly 30 meets the standard value.

In some specific embodiments, in the case that the distance between the product to be tested and the second end of the target light guide 40 is greater than the target distance, the light guide fixing assembly 20 is correspondingly driven to move towards the photosensitive assembly 30, so that the light guide fixing assembly 20 approaches the photosensitive assembly 30, and the brightness detection value of the product to be tested detected by the photosensitive assembly 30 meets the standard value, so that the calibration of brightness detection is achieved.

In some specific embodiments, in the case that the distance between the product to be tested and the second end of the target light guide 40 is smaller than the target distance, the light guide fixing assembly 20 is correspondingly driven to move away from the photosensitive assembly 30, so that the light guide fixing assembly 20 is away from the photosensitive assembly 30, and the brightness detection value of the product to be tested detected by the photosensitive assembly 30 meets the standard value, so that the calibration of brightness detection is realized.

In the embodiment of the present application, the light guide fixing component 20 is slidably connected with the supporting component 10 along the first direction; the photosensitive assembly 30 is slidably connected with the supporting assembly 10 along the first direction, so that the corresponding brightness detection calibration can be conveniently performed on different products to be detected, and the accuracy of the brightness detection of the different products to be detected and the universality of the brightness detection device can be improved.

The brightness detection device in the embodiment of the application is also particularly suitable for detecting the brightness of the product to be detected, which cannot be light-tightly sealed and is influenced by ambient light.

In some embodiments, due to the influence of the ambient light, the brightness detection value of the product to be detected by the photosensitive assembly 30 is greater than the standard value, and at this time, the relative distance between the light guide fixing assembly 20 and the photosensitive assembly 30 in the brightness detection device along the first direction can be adjusted to calibrate the brightness detection of the product to be detected, so that the error of brightness detection caused by the ambient light can be reduced.

Further, under the condition that the ambient light is at the first brightness, adjusting the relative distance between the light guide fixing assembly 20 and the photosensitive assembly 30 along the first direction to be a first distance; under the condition that the ambient light is at the second brightness, adjusting the relative distance between the light guide fixing assembly 20 and the photosensitive assembly 30 along the first direction to be a second distance; if the first brightness is greater than the second brightness, the first distance is greater than the second distance correspondingly.

In the embodiment of the present application, the photosensitive assembly 30 includes a photosensitive module 31 and a photosensitive fixing member 32; the photosensitive module 31 is fixedly connected with the photosensitive fixing piece 32, and the photosensitive fixing piece 32 is slidably connected with the supporting assembly 10 along the first direction; in the case that the light guide fixing assembly 20 is engaged with the target light guide 40, the target light guide 40 is located in the sensing region of the photosensitive module 31.

In some embodiments, the photosensitive module 31 can perform brightness detection on the product to be detected through the target light guide 40; the photosensitive fixing member 32 is slidably connected with the support assembly 10 along the first direction, so that the relative distance between the photosensitive module 31 and the target light guide member 40 along the first direction can be adjusted; in the process that the photosensitive fixing member 32 cooperates with the photosensitive module 31 to adjust along the first direction, the target light guiding member 40 is always located in the sensing area of the photosensitive module 31.

In the embodiment of the present application, the photosensitive module 31 includes a photosensitive member and a sealing member 311; the photosensitive member is fixedly accommodated in the sealing member 311; the sealing piece 311 is fixedly connected with the photosensitive fixing piece 32; one end of the sealing piece 311, which is close to the light guide piece fixing assembly 20, is provided with a sealing connection part matched with the target light guide piece 40; with the target light guide 40 mated with the light guide mounting assembly 20, the target light guide 40 can extend into the sealed connection.

Preferably, the photosensitive member may be an ambient light sensor; the photosensitive member can detect the brightness value, the trichromatic ratio, the color temperature value, etc. of the product to be measured through the target light guide member 40.

In some embodiments, the sealing member 311 is a light shielding sealing member, so that ambient light can be prevented from entering the sealing member 311, and adverse effects of the ambient light on brightness detection can be avoided, so that accuracy of brightness detection of a product to be detected is improved.

In some embodiments, the axial direction of the sealing connection is coincident with the first direction; the first end of the target light guide member 40 can penetrate through the sealing connection portion and extend into the sealing member 311, so that the light tightness of the connection portion between the first end of the target light guide member 40 and the sealing member 311 can be improved, adverse effects of ambient light on brightness detection are further avoided, and the accuracy of brightness detection of a product to be detected by the photosensitive member can be further improved.

It should be noted that, the dimension of the sealing connection portion along the first direction is determined according to the actual situation, so as to ensure the light tightness in the sealing member 311, and the dimension of the sealing connection portion along the first direction is not limited in this application.

In some specific embodiments, where the target light guide 40 is a cylindrical target optical fiber, the sealed connection is a cylindrical connection tube; specifically, the inner diameter of the cylindrical connecting pipeline is matched with 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 adjustment of the relative distance between the target light guide 40 and the photosensitive member along the first direction can be conveniently realized.

In the embodiment of the present application, the brightness detection device further includes at least one first photosensitive distance adjusting member 50 and at least one second photosensitive distance adjusting member 60; the light guide fixing component 20 is arranged in the supporting component 10; the first photosensitive distance adjusting member 50 is connected with the light guide fixing member 20 through the supporting member 10; the light guide fixing assembly 20 can move along the first direction under the driving of the first photosensitive distance adjusting member 50; the photosensitive assembly 30 is arranged in the supporting assembly 10; the second photosensitive distance adjusting member 60 is connected with the photosensitive assembly 30 through the supporting assembly 10; the photosensitive assembly 30 can move along the first direction under the driving of the second photosensitive distance adjusting member 60.

In some embodiments, the support assembly 10 may be a cuboid with two ends open along the first direction, and the cuboid has a receiving space therein, and the light guide fixing assembly 20 and the photosensitive assembly 30 can be received in the receiving space and move along the first direction in the receiving space.

In some embodiments, the light guide fixing assembly 20 is disposed at an opening end of the support assembly 10 along the first direction, the photosensitive assembly 30 is disposed at another opening end of the support assembly 10 along the first direction, and the light guide fixing assembly 20 and the photosensitive assembly 30 are disposed opposite to each other along the first direction, so that the support assembly 10, the light guide fixing assembly 20 and the photosensitive assembly 30 can enclose to form a space that is approximately light-tight, and ambient light can be further prevented from entering the inside of the sealing member 311, thereby further improving accuracy of brightness detection of a product to be detected.

In some embodiments, the first photosensitive distance adjusting member 50 can be connected with the light guide member fixing member 20 through the supporting member 10, and the relative positions of the first photosensitive distance adjusting member 50 and the light guide member fixing member 20 along the first direction are fixed; under the driving action of external force, the first photosensitive distance adjusting piece 50 can move along the first direction, and then the light guide piece fixing assembly 20 is driven to move along the first direction, so that the relative distance between the light guide piece fixing assembly 20 and the light guide piece along the first direction can be conveniently adjusted, and then the relative distance between the first end of the target light guide piece 40 and the light guide piece along the first direction is adjusted, so that the calibration of the brightness detection of a product to be detected is realized, and the brightness value detected by the light guide assembly 30 meets the standard value.

In some specific embodiments, the first photosensitive distance adjusting member 50 may be a first adjusting bolt that can be screwed with the light guide fixing member 20 through the support member 10. In the case that the position of the target light guide 40 along the first direction needs to be adjusted, the first adjusting bolt is firstly loosened, then the first adjusting 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, and finally the first adjusting bolt is locked, so that the locking and fixing between the light guide fixing assembly 20 and the supporting assembly 10 are realized.

In some embodiments, the second photosensitive distance adjusting member 60 can be connected to the photosensitive fixing member 32 through the supporting assembly 10, and the relative positions of the second photosensitive distance adjusting member 60 and the photosensitive fixing member 32 along the first direction are fixed; under the driving action of the external force, the second photosensitive distance adjusting member 60 can move along the first direction, so as to drive the photosensitive fixing member 32 to move along the first direction, thus, the relative distance between the photosensitive fixing member 32 and the light guide member fixing assembly 20 along the first direction can be conveniently adjusted, and the relative distance between the photosensitive member and the first end of the target light guide member 40 along the first direction can be further adjusted, so that the calibration of the brightness detection of the product to be detected can be realized.

In some specific embodiments, the second photosensitive distance adjustment member 60 may be a second adjustment bolt that is capable of being threaded through the support assembly 10 with the photosensitive fixture 32. Under the condition that the position of the photosensitive member along the first direction needs to be adjusted, the second adjusting bolt is firstly unscrewed, then the second adjusting bolt is driven to move along the first direction until the photosensitive member moves to the second target position, and finally the second adjusting bolt is locked, so that the locking and fixing between the photosensitive fixing member 32 and the supporting component 10 are realized.

Further, when the brightness detection of the product to be detected is calibrated, the position of the light guide fixing assembly 20 in the first direction can be adjusted solely by the first photosensitive distance adjusting member 50; the position of the photosensitive fixing member 32 in the first direction may also be adjusted solely by the second photosensitive distance adjusting member 60; the first photosensitive distance adjusting member 50 and the second photosensitive distance adjusting member 60 may also be simultaneously adjusted to achieve adjustment of the relative positions of the photosensitive members and the first end of the target light guiding member 40 in the first direction.

In the embodiment of the present application, 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.

In some embodiments, the first photosensitive distance indicator 70 is provided with at least one first adjustment member connection position, and the number of the first adjustment member connection positions is consistent with the number of the first photosensitive distance adjustment members 50; the first photosensitive distance adjusting member 50 can pass through the first adjusting member connection position to be connected with the light guide member fixing assembly 20; the first photosensitive distance indicator 70 is capable of indicating a relative distance of the photosensitive member from the first end of the target light guide 40 in the first direction.

In some specific embodiments, the first adjusting member connecting position is a first limiting through hole adapted to the first photosensitive distance adjusting member 50, and the first photosensitive distance adjusting member 50 can pass through the first limiting through hole to be connected with the light guiding member fixing assembly 20; in the case that the first photosensitive distance adjusting member 50 locks the support assembly 10 with the light guide fixing assembly 20, the first photosensitive distance indicating member 70 is press-fastened between the first photosensitive distance adjusting member 50 and the support assembly 10, and thus, the fixing of the first photosensitive distance indicating member 70 is achieved.

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 consistent with the number of second photosensitive distance adjustment members 60; the second photosensitive distance adjusting member 60 can be connected with the photosensitive fixing member 32 through the second adjusting member connection position; the second photosensitive distance indicator 80 can indicate a relative distance of the photosensitive member from the first end of the target light guide 40 in the first direction.

In some specific embodiments, the second adjusting member connecting position is a second limiting through hole adapted to the second photosensitive distance adjusting member 60, and the second photosensitive distance adjusting member 60 can pass through the second limiting through hole to be connected with the photosensitive fixing member 32; in the case that the second photosensitive distance adjusting member 60 locks the supporting member 10 with the photosensitive fixing member 32, the second photosensitive distance indicating member 80 is press-fastened between the second photosensitive distance adjusting member 60 and the supporting member 10, and thus, the fixing of the second photosensitive distance indicating member 80 is achieved.

In this embodiment, the support assembly 10 includes a first side plate 11, and at least one adjustment avoidance structure 111 is disposed on the first side plate 11; the first photosensitive distance indicator 70 is disposed between the first photosensitive distance adjuster 50 and the first side plate 11; the first photosensitive distance adjusting member 50 is connected with the light guide fixing assembly 20 through the adjustment avoidance structure 111; 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 adjusting member 60 is connected to the photosensitive assembly 30 through the adjustment avoiding structure 111.

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 indicating member 70 and the second photosensitive distance indicating member 80 are disposed on the outer side of the first side plate 11.

In some embodiments, the adjusting avoidance structure 111 includes an adjusting avoidance slot, and in the process of moving the first photosensitive distance adjusting member 50 and the second photosensitive distance adjusting member 60 along the first direction, the adjusting avoidance slot can avoid the first photosensitive distance adjusting member 50 and the second photosensitive distance adjusting member 60, so that the movement of the first photosensitive distance adjusting member 50 and the second photosensitive distance adjusting member 60 in the first direction can be achieved.

In some specific embodiments, the brightness detection device includes two first photosensitive distance adjusting members 50 and two second photosensitive distance adjusting members 60, and correspondingly, two adjusting avoidance structures 111 are disposed on the first side plate 11.

In the embodiment of the present application, 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 comprises a second side plate 12, the second side plate 12 being disposed opposite the first side plate 11; one end of the first auxiliary shaft 90 is fixedly connected with the light guide fixing assembly 20, and the other end of the first auxiliary shaft 90 is slidably connected with the second side plate 12; one end of the second auxiliary shaft 100 is fixedly connected with the photosensitive assembly 30, and the other end of the first auxiliary shaft 90 is slidably connected with the second side plate 12.

In some embodiments, the light guide fixing component 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 adjusting member 50 are disposed at both sides of the light guide fixing assembly 20; the first auxiliary shaft 90 is slidably coupled to the second side plate 12 in the first direction, thus guiding the movement of the light guide fixing assembly 20 in the first direction.

In some embodiments, the photosensitive assembly 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 adjusting member 60 are disposed at both sides of the photosensitive assembly 30; the second auxiliary shaft 100 is slidably connected to the second side plate 12 along the first direction, so that the photosensitive assembly 30 is guided to move along the first direction.

In the present embodiment, the second side plate 12 includes at least one sliding guide groove 121; one end of the slide guide groove 121 in the first direction is opened; the first auxiliary shaft 90 and the second auxiliary shaft 100 are slidably coupled with the sliding guide groove 121, respectively.

In some embodiments, the first auxiliary shaft 90 is sleeved with a first bearing, and the first auxiliary shaft 90 is slidably connected with the sliding guide groove 121 through the first bearing, so that the friction resistance of the first auxiliary shaft 90 sliding relatively to the sliding guide groove 121 can be reduced, and the smoothness of the sliding of the first auxiliary shaft 90 and the sliding guide groove 121 can be improved.

In some embodiments, the second auxiliary shaft 100 is sleeved with a second bearing, and the second auxiliary shaft 100 is slidably connected with the sliding guide groove 121 through the second bearing, so that the friction resistance of the second auxiliary shaft 100 sliding relatively to the sliding guide groove 121 can be reduced, and the smoothness of the sliding of the second auxiliary shaft 100 and the sliding guide groove 121 can be improved.

In some embodiments, the sliding guide groove 121 is disposed along the first direction, and the sliding guide groove 121 is close to an opening of one end of the photosensitive assembly 30, so that the photosensitive assembly 30 can be conveniently detached and installed, thereby improving the maintenance convenience of the brightness detection device.

In some embodiments, the brightness detecting device includes two first auxiliary shafts 90 and two second auxiliary shafts 100, and two sliding guide grooves 121 are correspondingly provided on the second side plate 12, so that the reliability of sliding guide can be improved.

In the embodiment of the present application, the light guide fixing assembly 20 includes a light guide fixing base 21 and a light guide fixing pressing plate 22 that are detachably connected; the light guide fixing base 21 is provided with a first limiting structure 211, the light guide fixing pressing plate 22 is provided with a second limiting structure 221, and the first limiting structure 211 and the second limiting structure 221 are enclosed to form a light guide fixing position which can be matched with the target light guide 40.

In some embodiments, the first auxiliary shaft 90 and the first photosensitive distance adjusting member 50 are respectively connected to two sides of the light guide fixing base 21; the fixation of the target light guide 40 is realized by the light guide fixation position; the light guide fixing base 21 and the light guide fixing pressing plate 22 are detachably connected, so that the target light guide 40 can be conveniently replaced, and the maintenance convenience of the brightness detection device is improved.

In some specific embodiments, the first limiting structure 211 may be a first groove, and the second limiting structure 221 may be a second groove, where 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 pressing plate 22 are screwed together, so that the target light guide 40 can be pressed and fixed.

In the embodiment of the present application, a plurality of protruding structures 112 are disposed on a side of the first side plate 11 facing the first photosensitive distance indicator 70, and the plurality of protruding structures 112 are disposed at equal intervals along the first direction; the first photosensitive distance indicator 70 is provided with a first photosensitive distance indicating end 71, and the first photosensitive distance indicating end 71 can be matched with one position of the plurality of protruding structures 112; the second photosensitive distance indicator 80 is provided with a second photosensitive distance indicating end 81, and the second photosensitive distance indicating end 81 can be matched with one position of the plurality of protruding structures 112.

Thus, the relative distance between the first end of the target light guide member 40 and the photosensitive member is conveniently marked and recorded, and the calibration marking and recording are conveniently performed on the products to be tested for brightness detection calibration, so that the brightness detection can be performed by switching between different products to be tested.

In some specific embodiments, when brightness detection is performed on the first product to be detected, the relative distance between the first end of the target light guide 40 and the light sensing element is adjusted to achieve corresponding brightness detection calibration, and at this time, the mark records the first position correspondingly indicated by the first light sensing distance indicating end 71 and the second light sensing distance indicating end 81; when brightness detection is performed on the second product to be detected, the relative distance between the first end of the target light guide member 40 and the light sensing member is adjusted to realize corresponding brightness detection calibration, and at this time, the mark records the second position correspondingly indicated by the first light sensing distance indicating end 71 and the second light sensing distance indicating end 81; when brightness detection is performed on the first product to be detected again, only the first photosensitive distance indicating end 71 and the second photosensitive distance indicating end 81 are required to be directly adjusted to the recorded first position, and when brightness detection is performed on the second product to be detected again, only the first photosensitive distance indicating end 71 and the second photosensitive distance indicating end 81 are required to be directly adjusted to the recorded second position, so that the detection efficiency of batch mixed detection of the brightness detection device can be improved.

In some embodiments, a plurality of concave structures are disposed on a side of the first side plate 11 facing the first photosensitive distance indicator 70, the plurality of concave structures being disposed at equal intervals along the first direction; the first photosensitive distance indicator 70 is provided with a first photosensitive distance indicator end 71, and the first photosensitive distance indicator end 71 can be matched with one position of the plurality of concave structures; the second photosensitive distance indicator 80 is provided with a second photosensitive distance indicator 81, and the second photosensitive distance indicator 81 can be matched with one position of the plurality of concave structures.

The brightness detection device in the embodiment of the application can conveniently calibrate corresponding brightness detection of different products to be detected, and can improve the accuracy of brightness detection of the products to be detected and the universality of the brightness detection device; secondly, the brightness detection device in the embodiment of the application can avoid the influence of ambient light on brightness detection, so that the accuracy of detecting the brightness of the product to be detected is improved; in addition, the brightness detection device in the embodiment of the application can conveniently detach and install the target light guide 40 and the photosensitive assembly 30, thereby improving the maintenance convenience of the brightness detection device.

Specific embodiments of the present application are described below based on the above technical solutions.

Example 1

Referring to fig. 1 to 4, embodiment 1 provides a brightness detection device, which includes 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 with the target light guide 40, and the target light guide 40 is positioned 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 is slidably connected with the supporting assembly 10 along a first direction; the photosensitive assembly 30 is slidably connected with the support assembly 10 along a first direction; under the driving action of the 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 are close to or far away from each other.

The first end of the target light guide 40 is fixedly connected with the light guide fixing assembly 20, and the first end of the target light guide 40 is in light-tight connection with the photosensitive assembly 30, so that the accuracy of brightness detection can be improved; the second end of the target light guide 40 is detachably connected with the product sealing box containing the product to be tested, so that the brightness detection in batches can be conveniently performed.

The product closed box is a shading closed box, the product closed box is provided with a light guide piece connecting position matched with the second end of the target light guide piece 40, and the second end of the target light guide piece 40 is detachably connected with the product closed box through the light guide piece connecting position; under the condition that the product closed box is matched with the second end of the target light guide piece 40, the product closed box is in a light closed state, so that the influence of ambient light on brightness detection can be avoided, and the accuracy of the brightness detection of a product to be detected is improved.

In order to ensure the accuracy and reliability of the brightness detection of the product to be detected, a distance between the product to be detected and the second end of the target light guide 40 is generally set as a target distance, and at this time, a brightness detection value of the product to be detected by the photosensitive assembly 30 is set as a standard value; under the condition that the distance between the product to be detected and the second end of the target light guide 40 cannot be adjusted to be the corresponding target distance, the relative distance between the light guide fixing assembly 20 and the photosensitive assembly 30 in the brightness detection device along the first direction is adjusted based on the standard value corresponding to the product to be detected, so as to calibrate the brightness detection of the product to be detected, and enable the brightness value detected by the photosensitive assembly 30 to meet the standard value.

The support assembly 10 is a cuboid with two ends open along the first direction, and a containing space is formed in the cuboid, and the light guide fixing assembly 20 and the photosensitive assembly 30 can be contained in the containing space and move along the first direction in the containing space.

The support assembly 10 includes a first side plate 11 and a second side plate 12, the first side plate 11 and the second side plate 12 being disposed opposite to each other; two adjusting avoidance structures 111 are arranged on the first side plate 11, and two sliding guide grooves 121 are arranged on the second side plate 12.

The light guide fixing component 20 is arranged at one opening end of the supporting component 10 along the first direction, and the photosensitive component 30 is arranged at the other opening end of the supporting component 10 along the first direction; the light guide fixing assembly 20 and the photosensitive assembly 30 are oppositely arranged along the first direction, so that the supporting assembly 10, the light guide fixing assembly 20 and the photosensitive assembly 30 can enclose to form an approximately light-tight space, ambient light can be prevented from entering the inside of the sealing piece 311, and the accuracy of detecting the brightness of a product to be detected is improved.

The photosensitive assembly 30 comprises a photosensitive member, a sealing member 311 and a photosensitive fixing member 32, wherein the photosensitive member can detect the brightness of a product to be detected through the target light guide member 40; the sealing member 311 is a light-shielding sealing member; the photosensitive member is fixedly accommodated in the sealing member 311, and the sealing member 311 is fixedly connected with the photosensitive fixing member 32; the photosensitive fixing member 32 is slidably connected to the first side plate 11 in the first direction, so that the relative distance between the photosensitive member and the target light guide member 40 in the first direction can be adjusted; during the adjustment of the photosensitive fixture 32 in conjunction with the photosensitive member in the first direction, the first end of the target light guide 40 is always located within the sensing region of the photosensitive member.

One end of the sealing piece 311, which is close to the light guide piece fixing assembly 20, is provided with a sealing connection part matched with the target light guide piece 40; the axial direction of the sealing connection part is consistent with the first direction; the first end of the target light guide member 40 can penetrate through the sealing connection portion and extend into the sealing member 311, so that the light tightness of the connection portion between the first end of the target light guide member 40 and the sealing member 311 can be improved, adverse effects of ambient light on brightness detection are further avoided, and the accuracy of brightness detection of a product to be detected by the photosensitive member can be further improved.

The light guide fixing assembly 20 comprises a light guide fixing base 21 and a light guide fixing pressing plate 22, a first groove is formed in the light guide fixing base 21, a second groove is formed in the light guide fixing pressing plate 22, and the first groove and the second groove are matched to form a light guide fixing position capable of being matched with the target light guide 40; the light guide fixing base 21 and the light guide fixing pressing plate 22 are screwed together, so that the target light guide 40 can be pressed and fixed. Thus, the target light guide 40 can be replaced conveniently, and the maintenance convenience of the brightness detection device can be improved.

The brightness detection device further comprises two first photosensitive distance adjusting members 50 and two second photosensitive distance adjusting members 60; the light guide fixing component 20 is arranged in the supporting component 10; the first photosensitive distance adjusting member 50 is connected to the light guide fixing base 21 through the adjustment avoiding structure 111; the light guide fixing assembly 20 can move along the first direction under the driving of the first photosensitive distance adjusting member 50; the photosensitive assembly 30 is arranged in the supporting assembly 10; the second photosensitive distance adjusting member 60 is connected to the photosensitive fixing member 32 through the adjustment avoiding structure 111; the photosensitive assembly 30 can move along the first direction under the driving of the second photosensitive distance adjusting member 60; 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, so as to adjust the relative distance between the first end of the target light guide 40 and the photosensitive member along the first direction, thereby realizing the calibration of the brightness detection of the product to be detected, and enabling the brightness value detected by the photosensitive assembly 30 to meet the standard value.

The first photosensitive distance adjusting member 50 is a first adjusting bolt, and when the position of the target light guiding member 40 along the first direction needs to be adjusted, the first adjusting bolt is firstly unscrewed, then the first adjusting bolt is driven to move along the first direction until the first end of the target light guiding member 40 moves to the first target position, and finally the first adjusting bolt is locked, so that the locking and fixing between the light guiding member fixing assembly 20 and the supporting assembly 10 are realized.

The second photosensitive distance adjusting member 60 is a second adjusting bolt, and when the position of the photosensitive member along the first direction needs to be adjusted, the second adjusting bolt is firstly unscrewed, then the second adjusting bolt is driven to move along the first direction until the photosensitive member moves to the second target position, and finally the second adjusting bolt is locked, so that the locking and fixing between the photosensitive fixing member 32 and the supporting component 10 are realized.

The brightness detection device further includes a first photosensitive distance indicator 70, where the first photosensitive distance indicator 70 can indicate a relative distance between the photosensitive member and the first end of the target light guide 40 along the first direction; the first photosensitive distance indicator 70 is disposed between the first photosensitive distance adjuster 50 and the first side plate 11; the first photosensitive distance indicator 70 is provided with a first photosensitive distance indicator end 71 and two first limiting through holes; the first photosensitive distance adjusting member 50 can pass through the first limiting through hole to be connected with the light guide member fixing base 21; in the case where the first photosensitive distance adjusting member 50 locks the first side plate 11 with the light guide fixing base 21, the first photosensitive distance indicating member 70 is press-fastened between the first photosensitive distance adjusting member 50 and the first side plate 11, and thus, the fixing of the first photosensitive distance indicating member 70 is achieved.

The brightness detection device further comprises a second photosensitive distance indicator 80, wherein 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; 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 indicator 80 is provided with a second photosensitive distance indicator 81 and two second limiting through holes; the second photosensitive distance adjusting member 60 can pass through the second limiting through hole to be connected with the photosensitive fixing member 32; in the case where the second photosensitive distance adjusting member 60 locks the first side plate 11 with the photosensitive fixing member 32, the second photosensitive distance indicating member 80 is press-fastened between the second photosensitive distance adjusting member 60 and the first side plate 11, and thus, the fixation of the second photosensitive distance indicating member 80 is achieved.

A plurality of protruding structures 112 are provided on a side of the first side plate 11 facing the first photosensitive distance indicator 70, the plurality of protruding structures 112 being disposed at equal intervals along the first direction; the first photosensitive distance indicator 70 is provided with a first photosensitive distance indicating end 71, and the first photosensitive distance indicating end 71 can be matched with one position of the plurality of protruding structures 112; the second photosensitive distance indicator 80 is provided with a second photosensitive distance indicating end 81, and the second photosensitive distance indicating end 81 can be matched with one position of the plurality of protruding structures 112. Thus, the relative distance between the first end of the target light guide member 40 and the photosensitive member is conveniently marked and recorded, and the calibration marking and recording are conveniently performed on the products to be tested for brightness detection calibration, so that the brightness detection can be performed by switching between different products to be tested.

The brightness detection device comprises two first auxiliary shafts 90, one ends of the first auxiliary shafts 90 are fixedly connected with the light guide piece fixing base 21, the other ends of the first auxiliary shafts 90 are sleeved with first bearings, the first auxiliary shafts 90 are slidably connected with the sliding guide grooves 121 through the first bearings, so that the light guide piece fixing assembly 20 can move and guide along the first direction, frictional resistance of relative sliding between the first auxiliary shafts 90 and the sliding guide grooves 121 can be reduced, and smoothness of relative sliding between the first auxiliary shafts 90 and the sliding guide grooves 121 is improved.

The brightness detection device comprises two second auxiliary shafts 100, one ends of the second auxiliary shafts 100 are fixedly connected with the photosensitive fixing pieces 32, the other ends of the first auxiliary shafts 90 are sleeved with second bearings, the second auxiliary shafts 100 are slidably connected with the sliding guide grooves 121 through the second bearings, so that the movement guide of the photosensitive assemblies 30 along the first direction is realized, the friction resistance of the second auxiliary shafts 100 and the sliding guide grooves 121 in relative sliding can be reduced, and the smoothness of the second auxiliary shafts 100 and the sliding guide grooves 121 in relative sliding is improved.

The sliding guide groove 121 is disposed along the first direction, and the sliding guide groove 121 is close to an opening of one end of the photosensitive assembly 30, so that the photosensitive assembly 30 can be conveniently detached and installed, and maintenance convenience of the brightness detection device is improved.

Example 2

Embodiment 2 is different from embodiment 1 in that the arrangement of the first side plate 11 is the same as that of embodiment 1, and the details thereof will not be repeated here, and the differences between embodiment 2 and embodiment 1 will now be described as follows:

a plurality of concave structures are arranged on one side of the first side plate 11 facing the first photosensitive distance indicator 70, and the plurality of concave structures are arranged at equal intervals along the first direction; the first photosensitive distance indicating end 71 can be matched with one position of the plurality of concave structures, and the second photosensitive distance indicating end 81 can be matched with another position of the plurality of concave structures. Thus, the detection efficiency of the brightness detection device for batch mixed detection can be improved.

The foregoing description of the preferred embodiments of the present application is not intended to be limiting, but rather is intended to cover any and all modifications, equivalents, alternatives, and improvements within the spirit and principles of the present application.

Claims

1. The brightness detection device is characterized by comprising a support assembly (10), a light guide fixing assembly (20) and a photosensitive assembly (30);

the light guide piece fixing assembly (20) can be fixedly connected with the target light guide piece (40), and the target light guide piece (40) is positioned in the sensing area of the photosensitive assembly (30) under the condition that the light guide piece fixing assembly (20) is matched with the target light guide piece (40);

The light guide fixing assembly (20) and the photosensitive assembly (30) are arranged along a first direction; the light guide fixing component (20) is connected with the supporting component (10) in a sliding manner along the first direction; the photosensitive assembly (30) is in sliding connection with the support assembly (10) along the first direction;

under the driving action of external force, the light guide fixing component (20) and/or the photosensitive component (30) can move in opposite directions or move in opposite directions along the first direction, so that the light guide fixing component (20) and the photosensitive component (30) are close to or far away from each other.

2. The brightness detection device according to claim 1, characterized in that the photosensitive assembly (30) comprises a photosensitive module (31) and a photosensitive fixture (32);

the photosensitive module (31) is fixedly connected with the photosensitive fixing piece (32), and the photosensitive fixing piece (32) is slidably connected with the supporting component (10) along the first direction;

the target light guide (40) is located in the sensing area of the photosensitive module (31) under the condition that the light guide fixing assembly (20) is matched with the target light guide (40).

3. The brightness detection device according to claim 2, characterized in that the photosensitive module (31) comprises a photosensitive member and a sealing member (311);

The photosensitive piece is fixedly accommodated in the sealing piece (311), and a sealing connection part matched with the target light guide piece (40) is arranged at one end, close to the light guide piece fixing assembly (20), of the sealing piece (311);

the target light guide (40) is capable of extending into the sealed connection with the target light guide (40) mated with the light guide securing assembly (20).

4. A brightness detection device according to any one of claims 1-3, characterized in that the brightness detection device further comprises at least one first photosensitive distance adjustment member (50) and at least one second photosensitive distance adjustment member (60);

the light guide fixing component (20) is arranged in the supporting component (10); the first photosensitive distance adjusting piece (50) penetrates through the supporting component (10) and is connected with the light guide piece fixing component (20); the light guide member fixing assembly (20) can move along the first direction under the drive of the first photosensitive distance adjusting member (50);

the photosensitive assembly (30) is arranged in the supporting assembly (10); the second photosensitive distance adjusting piece (60) penetrates through the supporting component (10) to be connected with the photosensitive component (30); the photosensitive assembly (30) can move along the first direction under the driving of the second photosensitive distance adjusting piece (60).

5. The brightness detection device of claim 4, further comprising a first photosensitive distance indicator (70) and a second photosensitive distance indicator (80);

the first photosensitive distance indicator (70) is arranged between the first photosensitive distance adjusting piece (50) and the supporting component (10); the relative positions of the first photosensitive distance indicating piece (70) and the first photosensitive distance adjusting piece (50) in the first direction are fixed;

the second photosensitive distance indicator (80) is arranged between the second photosensitive distance adjuster (60) and the support assembly (10); the relative positions of the second photosensitive distance indicating member (80) and the second photosensitive distance adjusting member (60) in the first direction are fixed.

6. The brightness detection device according to claim 5, characterized in that the support assembly (10) comprises a first side plate (11), on which first side plate (11) at least one adjustment avoidance structure (111) is arranged;

the first photosensitive distance indicator (70) is arranged between the first photosensitive distance adjusting piece (50) and the first side plate (11); the first photosensitive distance adjusting piece (50) passes through the adjusting avoidance structure (111) to be connected with the light guide piece fixing assembly (20);

The second photosensitive distance indicator (80) is arranged between the second photosensitive distance adjuster (60) and the first side plate (11); the second photosensitive distance adjusting piece (60) passes through the adjusting avoidance structure (111) to be connected with the photosensitive assembly (30).

7. The brightness detection device according to claim 6, characterized in that the brightness detection device further comprises at least one first auxiliary shaft (90) and at least one second auxiliary shaft (100);

the support assembly (10) further comprises a second side plate (12), and the second side plate (12) is arranged opposite to the first side plate (11);

one end of the first auxiliary shaft (90) is fixedly connected with the light guide piece fixing assembly (20), and the other end of the first auxiliary shaft (90) is slidably connected with the second side plate (12);

one end of the second auxiliary shaft (100) is fixedly connected with the photosensitive assembly (30), and the other end of the first auxiliary shaft (90) is slidably connected with the second side plate (12).

8. The brightness detection device according to claim 7, characterized in that the second side plate (12) comprises at least one sliding guide groove (121);

one end of the sliding guide groove (121) along the first direction is opened;

the first auxiliary shaft (90) and the second auxiliary shaft (100) are respectively connected with the sliding guide groove (121) in a sliding manner.

9. A brightness detection device according to any one of claims 1-3, characterized in that the light guide fixing assembly (20) comprises 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), the light guide fixing pressing plate (22) is provided with a second limiting structure (221), and the first limiting structure (211) and the second limiting structure (221) are surrounded to form a light guide fixing position which can be matched with the target light guide (40).

10. The brightness detection device according to claim 6, wherein a plurality of protruding structures (112) are provided on a side of the first side plate (11) facing the first photosensitive distance indicator (70), the plurality of protruding structures (112) being arranged at equal intervals along the first direction;

the first photosensitive distance indicator (70) is provided with a first photosensitive distance indicator end (71), and the first photosensitive distance indicator end (71) can be matched with one position of the plurality of protruding structures (112);

the second photosensitive distance indicator (80) is provided with a second photosensitive distance indicator end (81), and the second photosensitive distance indicator end (81) can be matched with one position of the plurality of protruding structures (112).