47results about How to "Reduce visual fatigue" patented technology

The invention provides a liquid crystal display panel control method and system based on artificial intelligence, and the method comprises the steps: capturing a facial image of a user through a high-resolution camera, carrying out the facial feature extraction and recognition through a deep learning algorithm, and estimating the age of the user; adjusting the blue light of the liquid crystal display panel based on the estimated age of the user, the ambient light brightness, the time, the geographic position of the user and the application type used by the user; after the blue light of the liquid crystal display panel is adjusted, user feedback is obtained, a deep learning model is trained according to the user feedback, and the blue light of the liquid crystal display panel is adaptively adjusted based on the trained deep learning model so as to meet user requirements; and after adaptive adjustment, collecting a new manual adjustment record of the user, updating the data set, and retraining the deep learning model by using the updated data set. Through the method and the corresponding system, the blue light output can be dynamically adjusted according to the use time and the personal preference of the user.

The invention relates to the technical field of the Internet of Things, and discloses a safe eye protection method and system for realizing a free screen based on the Internet of Things, and the method comprises the steps: detecting a human face region of a target user under a screen display picture, calculating the region area and the head posture in the human face region, and calculating a fixation point in the human face region through the head posture; recognizing the blinking frequency of the face area, and calculating the face-screen display distance between the face area and the free screen; analyzing the visual fatigue of the target user under the screen display picture, and determining the eye state of the target user under the screen display picture; and when the eye state is abnormal, identifying an external environment and screen display characteristics of the screen display picture, extracting environment characteristics of the external environment, mining influence factors influencing the eye state based on the screen display characteristics and the environment characteristics, adjusting picture parameters of the free screen according to the influence factors and the eye state, and generating a safe eye protection report of the free screen. The safe eye protection effect of the free screen can be improved.

The invention provides a vehicle data display method and system, computer equipment and a vehicle, and the method comprises the steps: reading vehicle data pre-written into a vehicle instrument through a first thread, and analyzing the vehicle data read by the first thread; and setting part or all of the vehicle data in the structural body data based on the analysis result, reading the structural body data through a second thread, performing logic control configuration on the vehicle instrument mode, and generating an extensible markup language file based on a logic control configuration result and the structural body data; and finally, using a preset display engine to associate the extensible markup language file to carry out picture rendering, and displaying a picture rendering result in the vehicle instrument according to a vehicle instrument mode. According to the method and the device, code logic control can be performed through two independent threads, and then picture rendering is completed through the display engine, so that logic control and picture display are mutually independent, coupling can be reduced, and compatibility of more types of instrument themes is facilitated.

The invention relates to the technical field of liquid crystal display screen brightness adjustment, in particular to a liquid crystal display screen backlight partition dynamic adjustment system capable of enhancing picture contrast. The system comprises the steps of obtaining an image currently displayed by a liquid crystal screen, enhancing the local contrast of the image, determining a brightness influence coefficient equation of each partition according to an established backlight model, solving the brightness influence coefficient equation based on an optimization algorithm, determining a brightness influence coefficient of each partition, and displaying the brightness influence coefficient of each partition. And solving the brightness influence coefficient equation based on an optimization algorithm, determining the brightness influence coefficient of each partition, and adjusting the backlight brightness of the partitions based on a regional dynamic dimming algorithm. According to the invention, the brightness of each backlight subarea can be adjusted in real time according to the image content, so that black and white in the picture are darker, the contrast ratio is obviously improved, the backlight brightness is intelligently adjusted according to the brightness and color distribution of the image content, and unnecessary energy consumption is avoided.

According to the image combination distance adjusting method and device of the intelligent wearable device, the equipment and the medium, the first image combination distance is calculated through the first interpupillary distance of the target user, customized image combination distance calculation is achieved for the target user, and the applicability of the intelligent wearable device is improved. According to the current scene depth, the current parallax of the target user and the second pupil distance, the image combination distance adjustment amount is calculated, so that the image combination distance can be dynamically changed according to the actual use environment, and the adaptability and flexibility of equipment display are enhanced; by adjusting the image combination distance of the intelligent wearable device, the display position of the target display object is matched with the sight distance of the target user, so that the positioning accuracy of the target display object is improved, the visual fatigue of the user is reduced, and the visual experience comfort of the user is improved.

The invention discloses a color-adjustable red mud-regenerated mixture environment-friendly sound barrier and a preparation method thereof. A regenerated mixture is used as a basic material, an alkali activator is added to excite potential gelation activity of red mud, a foaming agent is added to form a porous structure, and a proper amount of cement is matched to form the environment-friendly sound barrier. According to the recycled mixture, screening treatment of coarse and fine aggregates can be avoided, so that the production cost is reduced; based on the characteristic that the red mud is red, the color of the sound barrier can be changed between red and gray by adjusting the mixing amount of the red mud, and visual fatigue of a driver is helped to be relieved; acid gas components in the tail gas can be absorbed and neutralized by utilizing residual alkalinity of the red mud and the alkali activator, so that the pollution to the environment is reduced. According to the sound barrier prepared by the method, recycling of waste resources can be realized, energy consumption and carbon emission in the production and use processes of the sound barrier are reduced, the recycling level of wastes is improved, and environmental protection and sustainable development in the field of sound barriers are promoted.

The invention discloses a display driving circuit, a display panel and display equipment, and the display driving circuit comprises a signal generation module which is configured to generate a first clock signal; the frequency multiplication module is connected with the signal generation module, and the frequency multiplication module is configured to perform frequency multiplication processing on the first clock signal so as to output a second clock signal after frequency multiplication processing; and the pixel driving module comprises a light-emitting unit and at least one switching tube arranged on a current path of the light-emitting unit, and the control end of the switching tube is connected with the frequency doubling module to input a second clock signal. In this way, aging of the transistor in the signal generation module can be reduced, and the service life of the display driving circuit is prolonged.

This utility model discloses a nighttime driving safety enhancement device at the nose of a highway, belonging to the field of highway traffic safety technology. This utility model uses nighttime vision guidance components deployed on the mainline and ramp guardrails in a designated area to continuously guide drivers in anticipating changes in traffic flow, preventing sudden accidents. Illuminated warning components behind the small nose point alert drivers to entering critical areas, while reflective guide components in front help predict road direction. Warm yellow and pure white guidance lights are respectively installed on the left and right sides to help determine road boundaries, with continuous lighting guiding the driver's line of sight along the road. A segmented guidance system is adopted: constant illumination at long distances provides stable guidance, flashing at medium distances enhances warnings, and constant illumination at close distances reduces visual fatigue. This effectively solves the problem of unstable visibility and warning effects of existing devices in the nose area at night and in low-visibility environments, and ensures guidance effectiveness under adverse conditions through a combination of active and passive illumination.

This invention relates to the field of intelligent control technology and discloses a method and system for adaptive brightness adjustment of a display screen. The method includes: acquiring ambient light intensity data and analyzing its changing trends to determine the directional characteristics of light intensity as the basis for adaptive speed adjustment; inputting the adaptive speed adjustment basis into a visual adaptation model to generate smooth curve parameters adapted to human eye characteristics, generating a brightness transition sequence through discretization sampling, and converting the brightness transition sequence into an adjustment instruction set; obtaining a target reference value from the adjustment instruction set, calculating the deviation between the actual brightness and the target reference value through a feedback mechanism to obtain a corrected brightness value; fusing real-time light intensity and historical data to construct a time series set and predicting the expected light sequence to generate a primary and backup adjustment path, adaptively switching based on the light intensity deviation; extracting the current adjustment instruction and transmitting it to the display driver module to achieve gradual brightness adjustment and a visually comfortable state. This method can achieve precise adaptation between human eye characteristics and display device hardware.

The present invention relates to the field of surgical robot technology, and more specifically, to a master hand control system for a small surgical robot. It includes an infrastructure unit, a motion control unit, a video display unit, a communication connection unit, and a power management unit; the infrastructure unit is used to manage the basic equipment for building the system; the motion control unit is used to control the master hand to control the slave hand movement; the video display unit is used to display the surgical field video; the communication connection unit is used to support the signal connection and data transmission of the system; the power management unit is used to intelligently manage the energy source. The design of the present invention can realize the coordinated movement of the eye and hand under minimally invasive surgery, and improve the quality of the robot's fine operation; it can provide doctors with three-dimensional high-definition images of the patient's abdominal cavity, improve the accuracy of the operation, and improve the safety performance of the surgical robot; 5G technology is used to provide a network environment for remote surgery, so that remote surgery can benefit more areas with limited medical conditions.

The invention provides a light filtering module, a display panel and display equipment. The light filtering module comprises a substrate and a color resistance layer. The substrate comprises a light-in surface and a light-out surface which are oppositely arranged. The color resistance layer is arranged on the light incident surface and comprises a first color resistance part, a second color resistance part and a third color resistance part. Wherein the vertical distance from the surface, deviating from the light-emitting surface, of the first color resistance part to the light-in surface is a first height, the vertical distance from the surface, deviating from the light-emitting surface, of the second color resistance part to the light-in surface is a second height, and the vertical distance from the surface, deviating from the light-emitting surface, of the third color resistance part to the light-in surface is a third height; at least two of the first height, the second height, and the third height are different. The first color resistance part, the second color resistance part and the third color resistance part of the color resistance layer are arranged to be in a step type, so that light generates a time difference of arrival, visual dynamic difference is generated, a 3D display effect is formed, the structure is optimized, the preparation difficulty and cost are reduced, visual fatigue is relieved, and the user experience is improved.

This invention relates to a fast selection interaction method, apparatus, and electronic device for an electronic paper display, comprising: rendering and displaying an interactive interface containing multiple candidate options on an electronic paper display unit, wherein the interactive interface does not display a movable visual focus used to indicate the current candidate option; establishing a corresponding mapping relationship between each option in the multiple candidate options and each specific physical direction button, the mapping relationship being determined based on the spatial arrangement of each option in the interactive interface; responding to a detected trigger operation on a target physical direction button in a group of physical direction buttons, identifying the trigger operation as a selection operation on the option mapped to the target physical direction button according to the mapping relationship, and executing the subsequent logic corresponding to that option; during the process of the trigger operation being responded to and the subsequent logic being executed, interface refresh triggered by moving the movable visual focus is not performed. This invention can avoid frequent screen refreshes and operation delays caused by cursor movement.

The invention relates to a printing technology capable of protecting eyesight and a printing method thereof, and belongs to the technical field of paper printing. According to the printing technology, raw stock white paper is adopted, and green lines and light yellow color blocks are printed on the raw stock white paper. The invention has the beneficial effects that: 1, the raw stock white paper is adopted, the environmental protection requirement of green printing is responded, the damage of paper fluorescence is reduced, the light is more uniform during writing, and the burden of eyes is reduced; and 2, the green lines are used as visual guidance, so that the writing efficiency can be improved, and visual tension caused by long-time writing can be effectively relieved. And 3, the printing of the yellow solid shading has small stimulation to eyes, and also has the effect of improving attention concentration, so that the writing is more concentrated during writing, visual fatigue caused by distraction is reduced, eyesight is protected, and myopia is prevented.

The utility model discloses a spinning plate hole inspection table which comprises a table frame and an inspection device. A table board is installed on the table frame, a table mat is arranged on the table board, a light source frame is installed on the table frame, an adjustable light source is installed on the light source frame, inserting rods are inserted in the positions, on the two sides of the light source frame, of the table frame, a plurality of fixing blocks are fixed to the bottom of the light source frame, and first rotating rods are fixed to the fixing blocks. The inspection device is mounted on the table frame and comprises a pore plate placing tool, a pore plate protective pad is arranged on the pore plate placing tool, a plurality of placing grooves are formed in the pore plate placing tool and the pore plate protective pad, a pair of taking and placing grooves is formed in each of the two sides of each placing groove, and spinning plates are placed on the placing grooves. Through the relevant structural design, the spinning plate holding frequency and time of an operator can be effectively reduced, the hands of the operator are liberated as much as possible, the pore plate is protected, meanwhile, the brightness of a light source can be automatically adjusted, and visual fatigue is reduced.

A multifunctional linear tunnel light and its housing are disclosed. The housing includes a shell, which is a semi-closed structure consisting of a bottom surface and side surfaces, with an open top and open ends. The bottom surface of the shell has an outwardly protruding section in the middle, with a hollow center forming a groove that communicates with the inner cavity of the shell. The bottom surface of the shell on both sides of the protruding section consists of two symmetrical planar segments with symmetrically arranged slots on their inner surfaces. The outer surface of each planar segment has guide grooves for guiding the mounting bolts of the support bracket. The side surfaces include a first inclined surface, a second inclined surface, and a first vertical surface. The inner surface of the second inclined surface has a light source plate mounting slot, with the slot opening facing the bottom surface of the shell. A baffle is located at the end of the upper groove wall of the light source plate mounting slot. The end of the second inclined surface has a second vertical surface parallel to the first vertical surface, with a snap-fit ​​groove on its inner surface. This utility model integrates two mounting positions with different light emission methods, allowing for selection of one mounting position according to lighting needs, providing flexibility and meeting the needs of different application scenarios.

This invention discloses a training-free neurorehabilitation system combining peripheral visual stimulation and motor imagery, and its usage method. The system includes: a stimulation module, an SSVEP data acquisition module, an SSVEP classification and recognition module, a motor imagery data acquisition module, a motor imagery decoding model training module, a comparison module, and a motor imagery recognition accuracy statistics module. The system uses peripheral visual stimulation as the SSVEP signal induction paradigm. After each visual stimulus, SSVEP signal classification and recognition are performed, and the classification results are converted into control commands for rehabilitation equipment to drive limb training. Within 5 seconds thereafter, an active motor imagery task is performed, while motor imagery data is collected. The SSVEP signal classification results are used as training sample labels. Once the motor imagery data meets the training sample size, the motor imagery decoding model is trained, and the model's performance in recognizing motor intentions is evaluated, gradually reducing its dependence on peripheral visual stimulation.

The invention relates to the field of display, and discloses an anti-dazzling and easy-to-write display screen protection panel structure which comprises a basic bearing layer. The light diffusion core layer is located on the basic bearing layer, and the light diffusion core layer comprises a large-spacing texture unit and a micro-nano texture unit; the surface of the light diffusion core layer is coated with the composite anti-reflection coating, the composite anti-reflection coating is a silicon dioxide and aluminum oxide composite coating, the molar ratio of silicon dioxide to aluminum oxide is 3: 2-4: 1, and the composite anti-reflection coating is used for reducing light reflectivity and enhancing durability. The anti-dazzling and easy-to-write display screen protection panel structure provided by the invention has a good anti-dazzling effect and a good writing effect, meanwhile, good impact resistance is provided, and the display screen can be effectively prevented from being damaged by external force such as collision and scraping in the daily use process; and the wear resistance, the weather resistance and the pollution resistance of the protection panel are improved.

The invention relates to the field of glass product processing, and particularly discloses a preparation process of a high-wear-resistance glass bottle, which comprises the following steps: material preparation: crushing and grinding blast furnace slag to 0.5-0.8 mm, grinding glass powder, sieving with a 200-500-mesh sieve, and then mixing with fused quartz powder, borax, sodium carbonate, table salt, CeO2 powder and PMMA emulsion to prepare a blend; melting: heating the co-mixture until the co-mixture is molten to prepare liquid glass; liquid glass is poured into a mold and blown to be formed, and a glass bottle primary blank is prepared; and post-treatment: carrying out annealing treatment on the glass bottle primary blank, cooling to room temperature, shaping, polishing with cerium oxide particles, cleaning and drying. The glass bottle prepared by the method disclosed by the invention has the advantages of smooth surface, good wear resistance, high transparency and good anti-dazzle effect, and the generation of friction scratches can be reduced.

This invention discloses an interface layout method and system based on MR (Mixed Reality) technology in the field of Mixed Reality. The method includes the following steps: obtaining the user's field of vision; within the user's field of vision, the interface is presented in a 360-degree surround view when the user rotates around themselves as the origin, or in a planar / curved form when the user moves, thereby determining the interface display range; wherein, the interface display range is based on the user's horizon line, ranging from a field of view angle of 10 degrees above the horizon line to a field of view angle of 60 degrees below the horizon line. The interface layout method and system based on MR technology provided by this invention, through a surround-view, tiled interface layout centered on the user's eye point, distributes the interface within a suitable visual distribution range, effectively displaying interface elements and content. Combined with the three-dimensional display characteristics of mixed reality, it optimizes and improves the arrangement of interface display elements and the interface layout method, solving the problems of chaotic interface element arrangement and unreasonable interface layout.

The utility model discloses an intelligent combined type vehicle-mounted rearview mirror system, which relates to the technical field of automobile accessories and comprises a single-sided mirror layer, a heating film layer, a display screen layer and a control mainboard layer which are stacked. The inner surface of the single-sided mirror layer is plated with a semi-transparent and semi-reflective optical film system; the heating film layer is provided with a transparent conducting layer, and mirror surface temperature regulation and control are achieved through a temperature control system; the display screen layer is in signal connection with the control mainboard layer and is configured to display an electronic image through the single-sided mirror layer; the control mainboard layer integrates an image processing unit, an environment sensing module and mode control logic, and can switch a physical reflection mode and an electronic display mode. According to the utility model, through optical superposition of the single-sided mirror layer and the display screen layer, seamless fusion of a physical reflection visual field and an electronic display picture is realized, and a blind area is eliminated; the definition of the mirror surface is maintained through the heating film layer and the closed-loop temperature control system, and fogging is prevented; the brightness and contrast of the display screen can be adaptively adjusted along with ambient light through the control mainboard layer, visual fatigue is reduced, and manual intervention is not needed.

The present application relates to artificial intelligence technology, and provides a method, device, equipment and medium for anti-shake of a program interface based on deep learning, the method comprising: when it is determined that a mobile terminal is shaking and an application is running in the foreground of the mobile terminal, obtaining the current jitter parameters of the mobile terminal; performing initial compensation on the display interface of the application according to the jitter parameters; obtaining the compensation effect of the display interface after the initial compensation; when the compensation effect is not good, establishing a deep learning model according to the compensation effect of the initial compensation and relevant information of the jitter parameters; performing optimization compensation on the display interface after the initial compensation according to the deep learning model; after the mobile terminal is shaken, through initial compensation and optimization compensation of the display interface, the display interface is made still relative to the user, the anti-shake of the display interface of the application is more intelligent and stable, and the visual fatigue of the user caused by the shaking is reduced.

The application discloses a washing machine and a control method. The washing machine comprises a shell, a display screen, a film sheet with multiple function icons, a background light source module and an icon light source module. The background light source module comprises a first light guide plate, a background light source and a plurality of second light guide plates. The first light guide plate comprises a first light-out surface and a first light-in surface. The first light-out surface faces the film sheet, and the first light-in surface is adjacent to the first light-out surface. The background light source is arranged on one side of the first light guide plate and has an out-light direction facing the first light-in surface. Each second light guide plate comprises a second light-in surface and a second light-out surface. The second light-out surface faces the first light guide plate, and the second light-in surface is adjacent to the second light-out surface. Multiple groups of icon light sources are arranged on one side of the plurality of second light guide plates respectively, and have out-light directions respectively facing the second light-in surfaces of the corresponding second light guide plates. The application can solve the problem of uneven icon display effect.

The utility model relates to the technical field of multifunctional display boards, and discloses a multifunctional display board for technical propaganda and popularization, which comprises a fixed base, the fixed base is fixedly connected with a fixed block, the fixed block is rotatably connected with a threaded rod I, the threaded rod I is fixedly connected with a handle I, the threaded rod I is in threaded connection with a threaded block, and the threaded block is in threaded connection with the handle I. The threaded block is rotationally connected with a first sliding column, and the fixing base is fixedly connected with a first fixing plate. According to the technical scheme of the utility model, the height-adjustable display board enables a demonstrator to flexibly adjust the height of the display board according to the needs during the demonstration process, so that the convenience and comfort of the multifunctional display board for technical propaganda and popularization are improved. A demonstrator can ensure that the demonstration content is presented at the optimal angle within the sight range of audiences, so that the visual fatigue of the audiences during watching is reduced, the readability and definition of the content are improved, the waste of space can be effectively avoided, and the space is saved.

The utility model discloses an AME multilayer board bubble impurity observation device which comprises a light source, a shading cover plate is arranged above the light source, an observation hole is formed in the shading cover plate, and a semi-transparent sheet is placed in the observation hole; the clamping assembly is used for clamping the AME multi-layer board; and a clamping assembly for clamping the AME multi-layer board is placed on the semi-transparent sheet. By using the combination of the LED light source and the adjustable anti-dazzling screen, the device disclosed by the utility model can provide proper illumination intensity and color on AME multi-layer plates with different layers, and the detection accuracy of tiny bubbles and impurities is obviously improved. According to the design of the device, application in different natural light environments is considered, and the device can adapt to various illumination conditions by adjusting the combination of the anti-dazzling screens, so that effective detection can be carried out in any environment.

The utility model discloses a self-adaptive thermal correction system based on module temperature, comprising a power supply system for providing a 3.3 V stable voltage; the temperature sensor is used for measuring the real-time temperature of the LED display screen module; the pull-up resistor is configured in the temperature sensor to ensure accurate reading of temperature data; and the receiving card system is used for receiving the temperature data transmitted from the temperature sensor and adjusting the brightness of the RGB lamp beads according to the data so as to control the color temperature of the LED display screen. According to the utility model, the temperature of the module can be better acquired, the color temperature can be better controlled at a fixed value, the luminance of the display screen is more uniform, the display quality is better, and the display effect is better.

The invention relates to the technical field of liquid crystal display screen brightness adjustment, in particular to a regional dynamic brightness control method for a liquid crystal display screen backlight light bar. The method comprises the following steps of: dividing an image display area of the liquid crystal display screen into a plurality of subareas, and traversing rows and columns of all pixels of the subarea images one by one in horizontal and vertical directions by a single pixel from the upper left corner of the corresponding subarea image by using a large and small sliding window until the lower right corner of the subarea image; calculating to obtain a brightness mean value in a local area contained in the sliding window; calculating a correction coefficient of the backlight light bar based on the brightness mean value in the local area; the initial backlight brightness is adjusted based on the correction coefficient, the brightness of the liquid crystal display screen is adjusted based on the initial backlight brightness, and the backlight brightness of each subarea can be accurately adjusted according to the brightness requirements of different areas in the image content through regional dynamic brightness control.

The invention discloses a U-shaped automatic wharf intelligent guiding device, and belongs to the technical field of wharf equipment, the U-shaped automatic wharf intelligent guiding device comprises a bottom plate, an outer sleeve is fixed on the side surface of the top end of the bottom plate, a locking and inserting assembly and a guiding assembly are arranged between a sliding support rod and the outer sleeve, a connecting rod is fixed at the bottom of a line navigator, and an inclination adjusting assembly is arranged between the connecting rod and the sliding support rod. The top end of the line navigator is provided with a cleaning assembly. According to the line navigator, the angle of the line navigator can be adjusted through the inclination adjusting assembly, a display screen on the line navigator can be adjusted to a proper angle, the sliding supporting rod in the outer sleeve is locked through the locking and inserting assembly, and therefore the height position of the line navigator can be adjusted; therefore, the display screen can be suitable for wharf control operators of different heights to observe and read information, the display screen is blown and cleaned through the cleaning assembly, the definition of the display screen is ensured, the cleaning convenience is effectively improved, and the service life of the display screen is prolonged.

The utility model discloses a high-strength radiation-proof resin lens, which relates to the technical field of optical materials and comprises a lens structure and a lens frame structure, and the lens structure comprises a base layer, an inner side layer, a functional interlayer, a first outer layer, a second outer layer and a wedging groove. The base layer is made of a modified polycarbonate material and provides mechanical strength and optical performance; the inner side layer is an anti-dazzle organic silicon coating, and the functional interlayer comprises nano rare earth oxide and an anti-blue-light additive and can shield ultraviolet rays and part of radiation; the first outer layer is a high-hardness wear-resistant coating, and the second outer layer is a super-hydrophobic coating. The glasses frame structure comprises lens frames, glasses frame legs and deflation grooves, a fixing structure and a heat conduction structure are arranged in the glasses frame structure, lenses are fixed through annular air bags, and the temperature difference fogging phenomenon is reduced through a heat conduction device. The anti-impact radiation shielding fabric has excellent anti-impact performance, radiation shielding performance and visual comfort, and is suitable for various complex environments.

The utility model relates to a tool for quickly checking the reverse pole of a storage battery entering a groove. Belongs to the technical field of lead-acid storage battery manufacturing. The device mainly solves the problems that the detection speed is slow and visual fatigue is easy to generate when the number of mistake-proof grooves on a busbar is directly observed by naked eyes at present. The device is mainly characterized by comprising a cover plate, the cover plate is provided with a positioning hole corresponding to the position of a storage battery pole, the cover plate is provided with a proofreading observation area of an observation hole corresponding to the position of each error-proofing groove on the surface of a storage battery busbar, and the edge of the observation hole is provided with a shading plate extending downwards parallel to the confluence direction; the inner side edge of the shading plate is connected with a correction plate, and the correction plate is provided with a hollow correction hole corresponding to the busbar error-proofing groove area. The device is simple in structure and operation, high in inspection speed, capable of effectively relieving visual fatigue of workers when the workers inspect that the pole group enters the groove and is reverse in pole, and capable of preventing the defect that the storage battery enters the groove and is reverse in pole during assembly, thereby improving the assembly quality of the storage battery, and mainly used for inspecting whether the pole group enters the groove and is reverse in pole.