202 results about "Triangular prism" patented technology

Provided is an optical film requirement that does not use fine particles for light diffusion, is entirely composed of a transparent resin, and has a self-moire pattern that cannot be visually recognized by the naked eye, said optical film requirement having high front brightness without luminance unevenness on the light emission surface of a backlight when mounted on an edge-light backlight. A light-collecting auxiliary film inserted between the light emission surface of a light guide plate and the light incidence surface of a brightness enhancement film (BEF) in an edge-light backlight unit using discrete LED point light sources, the light-collecting auxiliary film being characterized by comprising: an optical waveguide layer comprising a light-transmitting base film, and a light-collecting layer comprising a light-transmitting base film, the light-collecting auxiliary film being interposed between the light emission surface of the light guide plate and the light incidence surface of the brightness enhancement film (BEF), the light-collecting auxiliary film being interposed between the light-emitting surface of the light guide plate and the light incidence surface of the brightness enhancement film (BEF); a light extraction layer that is formed on one surface of the optical waveguide layer and has a plurality of inverted rectangular pyramid-shaped unit recesses; and a light introduction layer formed on the other surface of the optical waveguide layer and having a plurality of unit triangular prisms extending in parallel in one direction, the light extraction layer constituting a light emission surface, and prism surfaces of the plurality of unit triangular prisms constituting the light introduction layer constituting a light incidence surface. The direction of the ridge lines of the plurality of unit recesses and the direction of the ridge lines of the plurality of unit triangular prisms intersect at an angle of 42 DEG to 48 DEG, and the light extraction layer, the optical waveguide layer, and the light introduction layer do not contain fine particles for light diffusion. The self-moire pattern generated by the plurality of unit recesses and the plurality of unit triangular prism lenses cannot be visually recognized by naked eyes.

The present application relates to sewage treatment technical field, disclose a kind of photocatalytic degradation sewage treatment device, comprising: primary treatment unit, it is regular triangular prism box structure, top is connected with water inlet end, inside is equipped with the filter layer arranged from top to bottom along the direction of water flow and can be independently disassembled;The filter layer includes: coarse filter screen, installation is in the top flow-through channel of primary treatment unit;Fine filter screen, located below the coarse filter screen;High-efficiency activated carbon layer, is equipped in the bottom of the primary treatment unit, the gradient purification structure of the device using primary, secondary, tertiary treatment unit, realizes the ordered degradation of sewage from pretreatment to advanced purification, primary treatment unit effectively removes suspended solids and macromolecular organic matter by multistage filtration, reduces subsequent processing load, secondary treatment unit carries out primary photocatalytic degradation, significantly reduces pollutant concentration, and tertiary treatment unit carries out advanced oxidation for refractory substances, to ensure that effluent quality is stable and up to standard.

The utility model discloses a laminated wood end anti-cracking structure which comprises laminated wood, a cover plate and steel nails. The end of the laminated wood is provided with an inclined first slope, the middle of the laminated wood is provided with an insertion block consistent with the slope in gradient, the bottom of the laminated wood is provided with a check block, the corresponding position of the cover plate is provided with a second slope and an insertion groove which are matched with each other, the bottom of the insertion groove is provided with an opening and a receding groove, and the insertion block and the insertion groove are matched and tightly attached and coated with polyurethane adhesive to enhance connection stability. The inserting grooves are in a dovetail groove shape and prevent the laminates from degumming and cracking in the vertical direction, the steel nails are arranged at the joints of the cover plates and the laminated wood, the cover plates are prevented from loosening and falling off, the laminates are prevented from sliding and cracking in the horizontal direction, the cover plates are in a triangular prism shape matched with the whole laminated wood, and the appearance and use are not affected. The structure effectively prevents the end of the laminated wood from cracking, prolongs the service life, and is reasonable in design, high in practicability and suitable for protecting the end of the laminated wood product.

The present application relates to the observable projectable circular rainbow enhancement technology based on the principle of triangular prism refraction, and provides a reusable circular rainbow enhancement method and device, wherein the device for realizing circular rainbow enhancement based on the principle of triangular prism comprises a gyroid tooth-shaped prism and a projection screen, the rotation axis of the gyroid tooth-shaped prism is perpendicular to the projection screen, the cross section of the gyroid tooth-shaped prism is two strings of triangles which are symmetrically distributed along the rotation axis and connected in sequence, the gyroid tooth-shaped prism is made of transparent material, the incident light is parallel to the rotation axis of the gyroid tooth-shaped prism, enters and penetrates the gyroid tooth-shaped prism from the connected bottom side, and then is vertically projected to the projection screen. The present application is mainly applied to the design and manufacturing occasions of teaching and display devices.

The utility model discloses an auxiliary observation device for a theodolite, which belongs to the technical field of surveying and mapping instruments, and comprises a mounting cylinder, an auxiliary observation device and an auxiliary observation device, the connecting seat is detachably connected with the mounting cylinder, two mounting surfaces are arranged on the connecting seat, and a reflecting mirror in the shape of a straight triangular prism is jointly embedded into the two mounting surfaces; the cover plate is detachably arranged on one of the mounting surfaces, an observation opening is formed in the cover plate, and a transparent lens is arranged in the observation opening; according to the scheme, an observer only needs to bend to lower the head and overlook the observation opening for observation, so that the observer is converted from head-up eyepiece observation to overlook observation, which is different from the mode that the observer squats or half squats to make the eyes and the eyepiece translate, the observation is more convenient, the comfort of the observer is improved, and the observation efficiency is improved. In addition, the situation that the observation effect is affected due to the fact that observers shake during observation is avoided, the observation accuracy is improved, and high practicability is achieved.

The invention involves a triangular prismatic tuned mass damper suitable for large-span or cantilever structures, including a triangular prism box, particle damping units inside the triangular prism box, and a steel mass block. Below the triangular prism box are high-damping springs. The particle damping unit consists of a particle damping cavity, particles of three different sizes, and foam rubber pads. When the structural vibration amplitude is small, the particles dissipate energy by compressing the foam rubber pads and rolling. When the amplitude of structural vibration is large, the energy is dissipated by the collision of particles and the compression of the foam rubber.

The application discloses a brightness enhancement film and a display device, and relates to the technical field of optical films. The brightness enhancement film structure comprises a linear triangular prism structure, a first linear extension columnar structure which is arranged in a first preset angle and is overlaid with the light entrance surface of the linear triangular prism structure, and a second linear extension columnar structure which is arranged in a second preset angle and is overlaid with the first linear extension columnar structure away from one side of the linear triangular prism structure. The linear triangular prism structure, the first linear extension columnar structure and the second linear extension columnar structure are sequentially arranged from top to bottom, and the first linear extension columnar structure and the second linear extension columnar structure are sequentially arranged in the preset rotation direction according to the first preset angle and the second preset angle respectively, with the extension direction of the linear triangular prism structure as the reference. The application solves the problem that the existing light uniformization film still belongs to the diffusion function film category, and the brightness is reduced when a plurality of stacked films are used.

The application relates to the technical field of automatic sunshade of sunshades, and proposes a full-automatic sunshade based on sun azimuth and shadow identification and a use method thereof, which comprises a handle and a supporting handle, a connecting seat is fixedly installed on the handle, a fixing seat is fixedly installed on the connecting seat, a supporting seat is fixedly installed on the supporting handle, and the connecting seat, the fixing seat and the supporting seat are all triangular prism structures. Through the multi-sensor fusion technology of a gyroscope, an illumination sensor and a camera, in combination with a real-time control system, the sunshade can continuously keep the sunshade surface shadow coinciding with the human body without manual change of the handle direction, the sunshade precision is remarkably improved, the problem that a local body is directly irradiated by sunlight is effectively avoided, and the automatic adjustment of the sunshade surface direction is realized.

The invention discloses a short baseline constraint optimization positioning method based on a magnetic moment vector modulus ratio, a measurement array and a system, and belongs to the technical field of magnetic detection and positioning. The method comprises the following steps: firstly, constructing a regular triangular prism-shaped measurement array, collecting magnetic field vector data generated by a magnetic target at each vertex measurement point of the array, and calculating a magnetic field vector at a coordinate origin of the measurement array and a vector mode gradient of the magnetic field vector; the spatial position coordinates of the magnetic target are used as decision variables, a constraint optimization model used for magnetic dipole positioning solution is established, and the target function of the constraint optimization model is a magnetic moment vector modulus ratio function; solving the constraint optimization model by adopting an adaptive differential evolution dung beetle optimization algorithm to obtain an optimal spatial position coordinate of the magnetic target; and based on the optimal spatial position coordinates, performing inversion calculation on three components of the magnetic moment vector of the magnetic target. According to the invention, the space volume of the positioning system is reduced, the positioning system is relatively simple, and the positioning error caused by the uncertainty of magnetic conductivity is also eliminated.

The invention discloses a ship fluid computational domain full-automatic non-structural hybrid grid generation method, which comprises the following steps: acquiring a ship geometric model, adding a computational domain bounding box, and generating an initial discrete geometric model consisting of triangular surface grids; acquiring user input control parameters, and generating a size field in combination with the initial discrete geometric model; embedding a symmetric plane and a horizontal plane according to the initial discrete geometric model, generating an initial triangular surface grid with consistent boundaries, and performing re-gridding under the control of a size field to generate a model boundary surface grid; according to a horizontal plane, dividing the boundary surface grid into an upper surface grid and a lower surface grid, and respectively generating an upper boundary layer grid and a lower boundary layer grid which are composed of anisotropic triangular prism units and pyramid units; on this basis, surface grids of the boundary of the computational domain are regenerated at the boundary of the bounding box, tetrahedral grid units are generated under the control of the size field, and therefore the ship fluid computational domain full-automatic non-structural hybrid grid is formed through merging.

A total inner reflection (TIR) prism comprises two essentially triangular prisms separated by an optical coating or by a thin layer of air, wherein one of said two triangular prisms is shaped as an isosceles triangle.

The application relates to an asphalt milling material crushing and screening device, and relates to the field of asphalt milling material processing. The asphalt milling material crushing and screening device comprises a box, a feeding port is formed in one side of the box away from the ground, and a discharging port is formed in one side of the box close to the ground; a crushing mechanism is located below the feeding port, the crushing mechanism comprises two crushing cones which are sequentially arranged in a direction close to the ground, the two crushing cones are both arranged in a triangular prism shape, the tips of the two crushing cones are oppositely arranged and fixed, the box is matched with the shape of the crushing cones, the crushing cones are moved in a direction close to or away from the ground, a driving assembly for driving the crushing cones to move is arranged on the box; a screening mechanism is located below the crushing cones and is used for screening the material crushed by the crushing cones, the screening mechanism is connected with the discharging port so as to guide the screened material out; the application has the effects of more completely crushing the milling material and improving the crushing and screening efficiency of the milling material.

The invention discloses a void-free low-interference open space three-dimensional coverage method and system for polyhedron filling, and mainly solves the problems that a three-dimensional coverage structure based on a ground network is difficult to determine and the overall coverage performance of the air and the ground cannot be considered in the prior art. According to the scheme, the method comprises the steps of selecting triangular prism filling lattice point set base vectors and constructing and generating a matrix family; generating triangular prisms of different shapes meeting the requirement that a partitioned diagonal form generation matrix exists in the generation matrix family, and iteratively calculating the coverage rate of signals outside the triangular prisms to obtain a triangular prism shape with minimum signal out-of-column dispersion; selecting a base station from the base station set, and constructing a triangular prism network composed of dispersion triangular prisms outside minimum signal columns; the coverage rate and the overlapping coverage rate of signals in each triangular prism are optimized by adjusting the vertical wave width and the upper inclination angle of each base station coverage wave beam on the bottom surface of the triangular prism. According to the method, signal overlapping coverage can be minimized while no signal coverage hole exists in the air and the ground, the method can be used for rapidly determining a three-dimensional coverage polyhedral structure based on the ground network, and hole-free low-interference three-dimensional coverage of the air and the ground is achieved.

The utility model discloses a multi-angle combined light source device and a detection system. The multi-angle combined light source device comprises a device bottom shell, a first light source module, a second light source module, a first oblique triangular prism and a second oblique triangular prism, a concave groove is formed in the device bottom shell, and a first light source module and a first oblique triangular prism are oppositely arranged on the two sides of the concave groove in the first direction respectively; the first direction is perpendicular to the second direction, and a second light source module and a second oblique triangular prism are oppositely arranged on the two sides of the concave groove in the second direction respectively. First light rays emitted by the first light source module penetrate through the concave groove and then are transmitted to the first oblique triangular prism, second light rays emitted by the second light source module penetrate through the concave groove and then are transmitted to the second oblique triangular prism, and the direction of the first light rays is perpendicular to the direction of the second light rays. The method has the beneficial effects that on one hand, an omnibearing light supplementing effect is provided for the detected object, and on the other hand, more comprehensive illumination support is provided for detecting a more accurate view.

The utility model relates to the field of sediment airing tools, in particular to a sediment airing device for a sedimentation tank. The settling pond sediment airing device comprises an annular belt conveyor, a plurality of airing covers are installed on the annular belt conveyor, a tedding component is arranged in each airing cover, and a plurality of evenly-distributed shoveling triangular prisms are further installed on the annular belt conveyor. According to the sediment airing device for the sedimentation tank, the driving motor is started to drive the spiral blade on the rotating shaft to rotate, the spiral blade rolls up sediment conveyed by the belt and enables the sediment to be thrown up towards the rear belt, fan-shaped scattering is formed, the contact area with air is increased, and therefore the airing effect is improved. And through cooperation with transparent glass at the top of the airing cover, sunlight can irradiate the interior of the airing cover to accelerate water evaporation, and the corner angle on one side of the arranged material shoveling triangular prism is close to the belt, so that sediments on the belt can be shoveled up, and the situation that the sediments are solidified on the belt and are difficult to collect in the later period is avoided.

The invention provides an automatic generation method and device for a coal mine geologic body, relates to the technical field of computers, and aims to solve the technical problems that in the prior art, a complex geologic structure is inaccurately depicted, and model updating lags behind. Unifying the data format and the space coordinate system of the geological exploration data; the standardized geological data are input into a preset geological body construction model, a three-dimensional geological body model composed of a plurality of triangular prism voxels is generated, and a data structure of the three-dimensional geological body model comprises a memory structure used for storing geometric and attribute data and a rendering structure used for three-dimensional visualization rendering. The memory structure is separated from the rendering structure; and in response to the received updated geological exploration data, dynamically updating the three-dimensional geological body model, and carrying out geological stress analysis based on the updated three-dimensional geological body model to generate stress distribution visual data.

The utility model belongs to the technical field of visual acuity examination, and particularly relates to a triangular prism inspection tester which comprises a base and an inspection mirror, two sliding grooves are formed in the base, mirror arm assemblies are installed in the sliding grooves, the inspection mirror is fixedly connected to the mirror arm assemblies, and an adjusting structure for adjusting the distance between the two mirror arm assemblies is arranged between the two mirror arm assemblies. A jaw lifting assembly capable of being adjusted in a lifting mode is arranged between the two glasses arm assemblies. According to the triple prism inspection tester, the position of the inspection mirror is adjusted by adjusting the position of the mirror arm assembly through the adjusting structure, so that it is guaranteed that the eyes of a patient are aligned with the inspection mirror, the chin is stably supported through the chin supporting assembly, supporting force is provided for the face, people can use the triple prism inspection tester conveniently, and meanwhile the triple prism inspection tester is simple in structure, reasonable in design and convenient to use. One person can complete adjustment operation with one hand, and use is convenient.

This invention provides an integrated, interconnected ship collision avoidance device. A flat slot is provided on the upper layer of a polyurethane elastomer, with the slot opening located on the side of the polyurethane elastomer. A collision avoidance plate is fixed inside the slot. The polyurethane elastomer has a hollow structure, with a first cavity and a second cavity arranged in a triangular prism shape along either the transverse or longitudinal direction. Both the first and second cavities have triangular cross-sections, with the apex of the first cavity facing upwards and the apex of the second cavity facing downwards. The first and second cavities are staggered. This ship collision avoidance device, employing a collision avoidance plate combined with a triangular cell cavity structure, can achieve integrated operation under impact or shock of localized high stress, improving energy absorption efficiency and thus protecting the ship.

The utility model belongs to the technical field of automobile charging, and particularly relates to an automatic butt joint gun rack, which comprises a charging assembly, a butt joint assembly and a butt joint assembly, the supporting mechanism comprises a butt joint table and a butt joint assembly, and the butt joint assembly is used for being connected with an energy vehicle; the side wall of the butt-joint table is connected with the charging gun, and the top end of the butt-joint table is movably connected with the butt-joint assembly; a through groove is formed in the side wall of the butt joint table, the through groove is in a triangular prism shape, and a reflective sticker is attached to the inclined face of the through groove and used for reflecting light rays; according to the utility model, the reflective sticker is obliquely arranged, so that light rays are reflected on the reflective sticker for multiple times and then are emitted, the light rays are more easily reflected and identified by the AMR trolley, and then the AMR trolley can be conveniently butted with an energy vehicle to charge an automobile.

The invention discloses a visual detection device, and relates to the technical field of detection light sources. The embodiment of the invention provides a visual detection device. The visual detection device comprises a base, a reflection assembly and a camera detection assembly, a first reflecting surface and a third reflecting surface of the square prism are arranged towards the detection port, and a second reflecting surface of the square prism is arranged towards the interior of the detection space; the reflecting surfaces of the first prism and the second prism are oppositely arranged along a first direction, and are respectively oppositely arranged with the first reflecting surface and the second reflecting surface along a second direction; the reflecting surfaces of the third prism and the fourth prism are oppositely arranged along the first direction, and the third prism and the third reflecting surface of the square prism are oppositely arranged along the second direction; and the reflecting surface of the fourth prism faces the detection space. According to the visual inspection device, the square prism and the triangular prisms which are arranged in a combined mode can be matched with the camera inspection module to simultaneously inspect the two different side faces of the workpiece to be inspected, and the inspection efficiency is high.

The light-weight inflatable bag panel supporting structure comprises a main structure framework, a panel and an air bag, the main structure framework is of an oblique quadrangular prism structure formed by rigidly connecting a plurality of truss rod pieces through a plurality of multi-way wrapping and sleeving pieces, and the truss rod pieces are arranged on the two parallelogram side faces of the main structure framework along the short diagonal lines correspondingly; the inclined quadrangular prism structure is divided into two horizontal triangular prism structures, and the multi-way wrapping and sleeving piece comprises a plurality of sleeves for installing truss rod pieces. The panels are fixedly connected to the upper surface and the lower surface of the main structure framework; the space between the panel and the adjacent horizontal triangular prism structure is filled with the air bags, and the air bags are inflated to be used for supporting the panel. According to the panel supporting structure, an inflatable bag structure system is adopted, the out-of-plane static and dynamic rigidity of a large-breadth panel in wing and rudder components is effectively improved, and the panel supporting structure is simple in structure, efficient and beneficial to achieving light-weight design.

The application discloses a three-side turning advertising board device and relates to the technical field of advertising boards.The three-side turning advertising board device comprises an outer fixing frame, a layered plate is fixedly connected inside the outer fixing frame, a plurality of triangular prisms are movably connected to the top of the layered plate, a driving mechanism is arranged at the bottom of the layered plate, an auxiliary mechanism is arranged at the top of the layered plate inside the outer fixing frame, and a pull-cut mechanism is arranged at the top of the triangular prisms inside the outer fixing frame.The three-side turning advertising board device can fix two points of an advertising paper on the triangular prisms by moving a sliding block and then twisting a knob, thereby fixing the position of the advertising paper relative to the triangular prisms;after the top of the advertising paper is pasted, the inclined pressing plate is driven by the pressing plate to move downwards, the advertising paper is gradually pressed on the surface of the triangular prisms, the pasting of the advertising paper is quickly completed, and wrinkles and skewing caused by pasting are avoided, and the visual effect is improved.

The invention discloses a method for designing the boundary dimension of a triple beam splitter prism, and belongs to the technical field of optical systems. Comprising a combined tri-beam splitter prism. The triple beam splitter prism is composed of two triangular prisms and a trapezoidal prism; the triangular prism comprises a first triangular prism and a second triangular prism; the boundary dimension design method of the triple beam splitter prism comprises the following steps: S1, firstly determining design requirements, and then determining basic data of the triple beam splitter prism according to the design requirements; s2, determining a known conditional relation, and analyzing and calculating an expanded drawing of the triple beam splitter prism; s3, determining the appearance and the position of a first triangular prism; s4, determining the appearance and the position of a second triangular prism; s5, determining the appearance and the position of the trapezoidal prism; according to the method for designing the boundary dimension of the triple beam splitter prism, the clear aperture of the imaging system is matched with the boundary dimension of the triple beam splitter prism, so that the optimal imaging effect is achieved, and the technical index requirements of the imaging system are met.

The utility model discloses a prism support with a quick locking function, which relates to the technical field of prism supports and comprises an accommodating shell, a front shell and a rear shell are fixedly connected to two sides of the accommodating shell, a hand wheel is mounted on one side, far away from the accommodating shell, of the rear shell, and a power output end of the hand wheel penetrates through the rear shell and is fixedly connected with a driving gear. The driving gear is located in the containing shell, a driven rotating disc is arranged in the containing shell, a meshing toothed belt is fixedly connected to the driven rotating disc, and the driving gear is in meshing connection with the meshing toothed belt; according to the utility model, the driven turntable is driven to rotate by rotating the hand wheel, so that the clamping blocks are quickly close to each other, the triangular prism is clamped and locked, time can be effectively saved, professional tools are not needed in the whole process, the installation steps are simplified, and the prism installation efficiency is improved; and the situation that clamping is not firm due to the fact that the service time is prolonged is avoided.

A sealed package for liquid or pasty food products is described, comprising a single sheet (1) having a longitudinal and a transverse weakening line and folded along the weakening line to form a container (C) having a triangular prism shape, comprising two opposite front walls (1A, 1B) parallel to each other and triangular, two opposite inclined rectangular side walls (1C, 1D) converging towards a common vertex (V) and a substantially rectangular bottom wall (1E), the two front walls (1A, 1B) extending from opposite larger edges of the bottom wall, while the two side walls (1C, 1D) extend from opposite smaller edges of the bottom wall; a first seal and a second seal form a first seal ridge (P1) and a second seal ridge (P2); the first seal and the second seal define a cavity delimited by the front walls (1A, 1B) and the side walls (1C, 1D), and a single opening (10) for accessing the cavity; the opening (10) is formed at the bottom wall (1E) to allow the cavity to be filled with the product poured by pouring through the opening (10), the opening (10) being closed again by a third seal formed by sealing together the inner faces of the two front walls (1A, 1B) to form a third bottom seal ridge (P3).

The utility model discloses a connecting and fixing device, which belongs to the technical field of aeronautical manufacturing and maintenance, and comprises a connecting piece A and a connecting piece B which have the same structure, fixing bases of the connecting piece A and the connecting piece B are used for being fixed on materials needing to be connected, and fastening parts in a hollow triangular prism shape are fixed on the lower parts of the fixing bases of the connecting piece A and the connecting piece B; the difference is that the size of the fastening part of the connecting piece B is smaller than that of the connecting piece A, so that the connecting piece B can be sleeved in the connecting piece A and then is fixedly connected through a fastening screw. According to the utility model, the situation that a common angle section needs to be fixed at a fixed angle in advance is avoided, the effective utilization of the space in the operation process is improved, and the connection mode has no limitation requirement on the space of the two materials.

The application relates to a super-hydrophobic surface with a hierarchical fold-back-honeycomb coupling structure and a preparation method and application thereof, the structure of the super-hydrophobic surface comprises a regular hexagonal honeycomb frame structure and a fold-back structure connected with the vertexes of the regular hexagonal honeycomb frame structure; the structure of the fold-back structure comprises a cylinder and a circular chamfered triangular prism connected with the surface of the cylinder. The hierarchical fold-back-honeycomb coupling structure can present excellent super-hydrophobic characteristics; the structure can achieve a physical antibacterial and antifouling function by maximally reducing the actual contact area between liquid drops, microorganisms and the surface. The construction strategy can provide a new design path for the super-hydrophobic surface with antibioadhesion in a marine environment, realizes efficient antifouling, guarantees long-term functional reliability of the surface, and prolongs the service life of marine facilities.

This utility model is entitled "A Tooling for Quickly Confirming the Consistency of Electrolyte Level in a Storage Battery." It belongs to the field of lead-acid battery technology. Its main purpose is to solve the problem of significant deviations in the electrolyte level height after adding acid in existing manual methods. Its main features are: the first and second triangular prism bodies share a common edge, and the adjacent faces of the first and second triangular prism bodies are located on the same plane; the included angle between the other faces of the first and second triangular prism bodies adjacent to the common edge is consistent with the included angle between the side and bottom surfaces of the battery. This utility model features a simple structure, ease of use, and the ability to quickly and accurately detect the consistency of electrolyte level height in all six cells of a storage battery after adding acid. It is mainly used for detecting and adjusting the consistency of electrolyte level height after adding acid, ensuring consistency in the formation process and battery performance.

The utility model discloses a multifunctional intelligent alarm clock lamp, and mainly relates to the technical field of intelligent household equipment. Comprising a lamp body shell, the lamp body shell is of a triangular prism structure, in three side faces of the lamp body shell, an LED lamp set is arranged on the first side face, a touch display screen and a physical button are arranged on the second side face, and a fixing piece is arranged on the third side face; the two end faces of the lamp body shell are each provided with a hole used for sound transmission, and the two ends in the lamp body shell are each provided with a loudspeaker. A main control single chip microcomputer, a Bluetooth module, a temperature sensor, an audio amplification module and a rechargeable battery are arranged in the lamp body shell; by simulating gradually enhanced natural light and combining sound awakening, comfortable getting-up experience is provided, various intelligent functions such as lighting, music playing and temperature displaying are integrated, multi-angle stable placement is facilitated due to the triangular prism shape, and diversified requirements of users are met.

A single-camera multi-light-path visual module for detecting the surface of a bolt disclosed by the present invention comprises a mounting plate, a camera and a mounting frame, the surface of the mounting frame is provided with an upper limiting plate and a lower limiting plate, and an accommodating groove for accommodating one end of the bolt is arranged between the upper limiting plate and the lower limiting plate. A coaxial light source used for irradiating the tail end of the bolt is arranged in the mounting frame, the coaxial light source is arranged on the front portion of the bolt, and a first area light source used for irradiating one side of the bolt and a second area light source used for irradiating the lower portion of the bolt are further arranged in the mounting frame; a square prism is arranged on one side of the first area light source, a triangular prism is arranged on the upper portion of the second area light source, the first area light source irradiates one side of a bolt, light is transmitted into the camera through the square prism, the second area light source irradiates the lower portion of the bolt, and the light is transmitted into the camera through refraction of the triangular prism. According to the invention, visual detection of the thread tail end, the thread cylindrical surface and the thread root is realized.