536 results about "Lens hood" patented technology

The invention relates to the technical field of cable insulation layer detection, in particular to a cable insulation layer detection device and method. Comprising a visual detection mechanism, a collision detection mechanism, a marking mechanism and a transmission mechanism, the visual detection mechanism comprises a first support frame, three detection cameras, an annular light source, three first mounting plates, a light shield and a light shielding cylinder, and the first mounting plates and the detection cameras are annularly distributed around the axis of a cable insulation layer; the abutting detection mechanism comprises a second supporting frame, a rotating disc, an abutting detection assembly and a position adjusting assembly. The marking mechanism comprises a coating pipeline, a brush and a switching assembly. The device is suitable for detection of cable insulation layers of different diameter models, through cooperation of visual detection with the shading device and the annular light source, images of the cable insulation layers are captured in multiple directions, and various appearance defects are efficiently detected; the collision detection can be accurately adjusted according to the diameter of the cable, the visual detection is assisted to improve the detection comprehensiveness and accuracy, and the defect position can be marked.

The invention discloses a triangular support ring for supporting a secondary mirror, which comprises a secondary mirror triangular support ring, and the secondary mirror triangular support ring is provided with a support cylinder, a support cylinder gasket, a secondary mirror support ring, an outer light shield, a secondary mirror light shield, a secondary mirror flexible joint and a secondary mirror from top to bottom. The supporting cylinder is installed on the side wall of the secondary mirror supporting ring, and the supporting cylinder gasket is installed between the secondary mirror supporting ring and the supporting cylinder. The secondary mirror light shield is assembled at the other end of the secondary mirror supporting ring, the secondary mirror is assembled in the secondary mirror supporting ring, and the secondary mirror flexible joint is assembled between the secondary mirror supporting ring and the secondary mirror light shield; a mounting hole is formed in the joint of the supporting cylinder and the supporting cylinder gasket, a fastener is assembled in the mounting hole, and the secondary mirror flexible joint and the secondary mirror are connected through a clamping structure; the triangular supporting ring for supporting the secondary mirror is flexible in structural design form, easy to process, low in cost and convenient to install and adjust, and can better adapt to variable secondary mirror structures.

The invention discloses a light energy focusing vacuum 3D printing fusion forming device and method. The device comprises a vacuum cabin system used for providing a vacuum environment, an optical energy focusing system used for forming fixed high-temperature light spots in the vacuum environment through external optical energy, a powder laying and printing system used for laying powder layer by layer in the vacuum environment and conducting 3D printing through the high-temperature light spots, and a control system used for achieving automatic operation of the whole device. The vacuum cabin system comprises a cabin body, a vacuum pump, a cabin body upper cabin door, a lens mounting seat, a vacuum detection piece and a vacuum valve; the light energy focusing system comprises a condensing lens, a light source and a light shield; the powder laying and printing system is arranged in the cabin body and comprises a powder pool mechanism, a powder laying mechanism and a planar motion mechanism. According to the device, combination of high-energy beam 3D printing fusion forming and vacuum 3D printing is achieved, and the vacuum light energy sintering 3D printing process can be completed under the ground condition.

The invention discloses a field-of-view self-stabilization and self-adjustment hyperspectral camera system and a control method, and relates to the technical field of hyperspectral imaging. The system comprises a first imaging lens group, a movable slit, a two-dimensional linear driver, a slit outer layer light shield, a collimating lens group, a light splitting element, a second imaging lens group, an area array image sensor, an attitude sensor and a control acquisition circuit. Angle disturbance is obtained in real time, two-dimensional compensation displacement of the slit is calculated to drive the slit to move reversely, field-of-view collection is kept basically constant, collection is triggered according to a set rhythm, slit position and attitude data are recorded synchronously, and the pre-calibrated slit position and mapping of original coordinates and ideal coordinates are combined, so that field-of-view collection is completed. Geometric transformation and resampling dynamic correction are carried out on view field inclination aberration and spectrum bending aberration generated along with slit position changes, the environmental adaptability and reliability are improved, a hyperspectral data cube with accurate space coordinates and a stable spectrum curve is output, and the method is suitable for unmanned aerial vehicle-mounted hyperspectral remote sensing.

The utility model discloses a light shield automatic overturning structure and an intelligent photographing instrument, the light shield automatic overturning structure comprises a light shield assembly, an inner support frame, a stepping motor, a chin support and a sensor, the chin support is arranged on the inner support frame, the sensor is arranged in the chin support, and the stepping motor is arranged on the inner support frame. The light shield assembly is rotationally connected with the inner supporting frame, the stepping motor is in signal connection with the inductor, and an output shaft of the stepping motor is fixedly connected with one side of the light shield assembly and used for driving the light shield assembly to turn over and adjusting the turning angle of the light shield assembly. According to the utility model, the inductor is adopted to control the stepping motor to adjust the overturning angle of the overturning assembly, so that the intelligence and the sense of science and technology of the intelligent photographing instrument can be effectively improved, and the market competitiveness of the intelligent photographing instrument is further improved.

The invention belongs to the technical field of spaceflight, and particularly relates to a large-aperture spatial columnar deployable film light shield. According to the technical scheme, the large-caliber space columnar unfoldable thin film light shield comprises an unfoldable supporting mechanism and a thin film, the unfoldable supporting mechanism has the axial folding and unfolding functions, and the shape of the unfoldable supporting mechanism in the unfolding state is an irregular dodecagonal cylindrical surface with the upper portion beveled; the thin film is connected with the inner side of the extensible supporting structure and is folded and unfolded in the axial direction along with the extensible supporting structure. The large-aperture spatial columnar deployable film light shield provided by the invention can meet the development requirements of complex optical equipment, large field of view and wide band of an optical system, light weight of a deployable structure and high storage rate.

The present disclosure provides a matte box kit, including a matte box body, a mounting assembly, a first magnetic attachment, and a second magnetic attachment. The matte box body includes a first connection structure and a first light path extending along a first direction. The mounting assembly is configured to secure a lens and includes a second connection structure and a second light path extending along the first direction. The first magnetic attachment is arranged on the matte box body, and the second magnetic attachment is arranged on the mounting assembly. The first and second magnetic attachments are mutually attracted to pre-align and pre-connect the matte box body and the mounting assembly. The first connection structure and the second connection structure form a detachable fixation, aligning the first light path, the second light path, and the lens along the first direction such that they are opposed and in communication.

The application discloses a bar lamp, which comprises a bar lamp holder, a center line of a vertical irradiation surface is arranged in a plane vertical to the length direction of the bar lamp holder, two light source mounting seats are arranged on the bar lamp holder and are oppositely arranged and located on two sides of the center line, two rows of light sources are arranged on the two light source mounting seats respectively, the light emission directions of the two rows of light sources are all towards the irradiation surface, and the two light axes intersect at the center line or in the vicinity of the center line, two lenses are arranged on one light source mounting seat and are located in the light emission direction of the corresponding light source, and each lens comprises a light inlet surface and a light outlet surface, the light source mounting seat on the opposite side of the light source is shielded to reduce glare, the setting of the light shield cover is reduced on one hand to improve the light emission efficiency, and better anti-glare effect is achieved on the other hand.

A lens hood system designed to accommodate one or more lens filters via one or more recesses. The lens filters may be inserted through various access points, including front, back, or side openings, and can be secured using methods such as threading, snap-fit tabs, or sliding mechanisms. The lens hood may be equipped with movable frame portions allowing for roll, pitch, and yaw rotations of the filters, independently or collectively, to optimize filter alignment. Additionally, the inner surfaces of the lens hood may be non-reflective or feature designs to minimize unwanted light reflections, enhancing image quality.

The invention relates to a lighting arrangement (B) for a vehicle (2) comprising a lighting unit (9) arranged in a housing (8) and a shutter (5) arranged in the housing (8) which can be positioned in an open or closed position and which, in the closed position, conceals a camera (6) integrated into the housing (8) of the lighting unit (9). According to the invention, the shutter (5) forms a section of a cover lens (7) of a rear light (1) of the vehicle (2) and, in its closed position, the shutter (5) additionally covers at least one light source (10) emitting a reversing light of the vehicle (2). The invention further relates to a rear light (1) with such a lighting arrangement (B).

The invention discloses a light and small wide coastal zone detection system. A main body bracket is mounted on a satellite cabin; the outer light shield and the ray machine assembly are respectively and fixedly arranged on the main body bracket; the outer light shield is located at the front end of the swing mirror assembly. The outer light shield is of a cylindrical structure, and the connecting line of the center points of the two end faces of the outer light shield and the mirror face center point of the swing mirror assembly are collinear. The oscillating mirror assembly is located at a light inlet in the front end of the light machine assembly, can rotate around a rotating shaft and is used for transmitting imaging light to the light machine assembly; the focal plane assembly is used for receiving the imaging light transmitted by the light machine assembly. According to the system, the visual range is expanded through the oscillating mirror assembly, and rapid positioning and fine investigation of a hot spot area are achieved.

The utility model relates to a visual detector for on-line glass defect detection, which is arranged on one opposite side of a vertical glass conveyor and comprises a base, a frame body is arranged at the top of the base, the opposite side face of the frame body facing the vertical glass conveyor is an open side, the open side is parallel to glass on the vertical glass conveyor, and the vertical glass conveyor is arranged on the open side. The base and the frame body jointly form a main frame body of the visual detector; light shields are arranged on the other side faces of the frame body, a plurality of shooting environment exposure lamps are arranged in the light shields, and the frame body forms a semi-open visual environment facing the vertical glass conveyor through the light shields and the shooting environment exposure lamps; a plurality of industrial cameras are arranged in the middle of the frame body in the vertical direction, the industrial cameras point to glass on the vertical glass conveyor, and the industrial cameras are in communication connection with an external control end and a displayer. The frame body is provided with a glass film surface recognizer used for distinguishing the type of detected glass, and the glass film surface recognizer corresponds to the input side of the vertical glass conveyor in the glass conveying direction.

Provided is an imaging device holder made of a resin containing reinforcing fibers, wherein deformation during molding can be suppressed. An imaging device holder (4), which is made of a resin containing reinforcing fibers, is provided with: a plate-shaped base section (11) that is disposed along the vehicle interior surface of a window panel (1); a lens shade portion (13) which is recessed from the base portion in a direction opposite to the window panel and forms a view space (12) with the window panel; and a lens hole (14) which is formed in the base part and communicates with the field of view space. A plurality of first protrusions (51) are provided on the inner surface of the lens shade facing the view space side. A plurality of second protrusions (52) are provided on an outer surface of the lens shade opposite to the inner surface. Alternatively, the lens hood portion may widen in a second direction perpendicular to a first direction in which the lens hole faces, and the plurality of first protrusions and the plurality of second protrusions extend in the second direction.

A glareshield for a camera of a vehicle includes a plurality of similarly shaped ribs on a surface that faces the windshield of the vehicle. The plurality of ribs are configured such that the specular component of reflected light from the plurality of ribs, during all daylight hours, impinges on or passes through an area outside the entrance pupil of the camera, directly or after further reflection from the windshield.

The utility model discloses a pop-up light shield based on a memory metal spring, which relates to the technical field of light shields of optical systems, and comprises a fixed shield and a pop-up shield, the end part of one side of the fixed shield is provided with a plurality of mounting plates, and the plurality of mounting plates are uniformly arranged along the outer circumference of the fixed shield; a plurality of first limiting flanges are arranged at the end part of the other side of the fixed cover; a plurality of limiting guide rails are arranged on the inner wall of the pop-up cover, and each limiting guide rail is in sliding connection with the corresponding first limiting flange; the side face, close to the pop-up cover, of the mounting plate is connected with the end, away from the fixed cover, of the pop-up cover through a memory metal spring, the memory metal spring is arranged in a heating pipe in a sleeved mode, one end of the heating pipe is connected with the mounting plate, and the other end of the heating pipe is bonded to the pop-up cover. The self-unfolding mechanism adopts a self-unfolding mode of the memory metal spring, is simple in structure and convenient to deploy, and has better movement stability and higher unfolding precision.

1. The name of the product of this design: the main body of the surveillance camera. 2. Purpose of this design product: used as the main body of a surveillance camera. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the key points of the design: 3D drawing of Design 1. 5. Designate Design 1 as the base design. 6. Other situations that need to be explained Other explanations: This design product requests protection for a partial design. The portion drawn by the dotted line in the image does not belong to the content of the design for which protection is requested. The hemispherical lens cover of the surveillance camera of this design product is made of transparent material.

The utility model relates to the technical field of code spraying detection, in particular to a code spraying detector with a defect detection function. The utility model provides a code spraying detector with defect detection, which can shield an external light source for different products, prevent the external light source from influencing the detection of code spraying of the products, and improve the detection accuracy of the code spraying of the products. A code spraying detection machine with a defect detection function comprises a controller, a supporting frame, a lead screw, a lifting arm and the like, the controller is connected to the right portion of the supporting frame, the lead screw is rotationally connected to the left portion of the supporting frame, and the lifting arm is connected to the lead screw in a threaded mode. According to the utility model, the lifting frame moves up and down through rotation of the adjusting screw rod, so that the telescopic curtain moves up and down, and a product to be detected is located in the telescopic curtain and the light shield, thereby achieving the purposes of shielding an external light source for different products and preventing the external light source from influencing the detection of product code spraying; and the accuracy of product code spraying detection is improved.

The invention relates to the technical field of rubber detection, in particular to a rubber part quality detection device and a detection method thereof. The device comprises a detection index plate, a support and two lifting devices are sequentially arranged on the periphery of the detection index plate, a laser diameter measuring sensor is arranged on the support, and the laser diameter measuring sensor is arranged above a vibration disc feeder in a suspended mode and used for measuring the diameter of a passing rubber part. A top view camera and a side view camera are connected to the lifting device, an annular lamp is fixedly arranged on the periphery of a lens of the top view camera, a supporting rod is fixedly connected to the lifting device corresponding to the side view camera, and a parallel backlight lamp is arranged at the end of the supporting rod; light shields are arranged on the peripheries of the annular lamp and the parallel backlight lamp, baffles are movably arranged in the light shields, and driving assemblies are connected between the baffles and the light shields; the driving assembly adjusts the rotation angle of the laser diameter measuring sensor according to detection data of the laser diameter measuring sensor, drives the baffle to move in the light shield, and adjusts the local shielding range of the baffle to the light emitting area of the corresponding light source.

To prevent fusion and discoloration in a control end part.SOLUTION: A vehicular headlight includes a light source for emitting light, a reflector for reflecting the light emitted from the light source, a shade for blocking part of the light reflected by the reflector, and a projection lens for projecting the light reflected by the reflector. The shade is provided with a control end part positioned on the light source side, and the control end part includes a reflection control surface subjected to reflection processing in which a focal point of the light is positioned on the surface or in the vicinity, and an inclined plane subjected to reflection processing, which continues to the edge on the light source side in the reflection control surface. The inclined plane is inclined relative to the reflection control surface so that the inclined plane is displaced downward as it is separated from the reflection control surface.SELECTED DRAWING: Figure 2

The utility model discloses a test device for researching the egg laying habit of eel parents. The test device comprises a test barrel, a light shield, a temperature controller, a rotary camera, a hidden nest, a directional camera and a control display screen, the test barrel is a light-proof barrel with an opening in the upper part; the light shield is arranged at the upper opening of the test barrel; the temperature controller is arranged in the test barrel; the rotary camera is an underwater camera which has a dark night vision function and can rotate by 360 degrees, and is detachably fixed on the inner side wall of the test barrel; the hidden nest is a lightproof hollow circular tube and is arranged at the bottom of the inner side of the test barrel; the directional camera has a dark night vision function and is arranged at the opening of the hidden nest; the control display screen is used for intuitively presenting eel parent spawning habit information shot by the rotary camera and the directional camera, and carrying out real-time regulation and display by controlling the shooting view angles of different cameras in a split-screen manner.

A camera bracket made of a resin containing reinforcing fibers includes: a plate-shaped base portion disposed along a vehicle inner side face of a window panel; a lens hood portion recessed from the base portion in a direction opposite to the window panel, forming a view space between the lens hood portion and the window panel; and a lens hole formed in the base portion to communicate with the view space. A plurality of first protruding portions are provided on an inner face, which is oriented to the view space, of the lens hood portion. A plurality of second protruding portions are provided on an outer face, which is opposite to the inner face, of the lens hood portion. The lens hood portion may expand, toward a first direction to which the lens hole is oriented, in a second direction orthogonal to the first direction.

The invention relates to a multi-channel fluorescence detection device for a qPCR instrument and the qPCR instrument, the device comprises a light source assembly and an optical channel assembly, the optical channel assembly comprises an excitation assembly and a plurality of emission assemblies, the excitation assembly and the plurality of emission assemblies are rotatably arranged in a light shield, the light shield is provided with a first light inlet hole and a first light passing hole, and the first light inlet hole is communicated with the first light passing hole. The first light inlet hole is communicated with the first light outlet hole of the light source assembly; a plurality of first light passing channels are formed in the excitation assembly, the excitation assembly is rotated to enable the different first light passing channels to communicate with the first light inlet hole and the first light passing hole correspondingly, and excitation light filters and excitation dichroscopes are arranged on the first light passing channels; a second light passing channel is formed in each transmitting assembly, the different second light passing channels are communicated with the different first light passing channels by rotating the multiple transmitting assemblies, and transmitting optical filters and light detection elements are arranged on the second light passing channels. The problem that the number of optical channels on a fluorescence detection device is small is solved.

An eyeshade structure for bilirubin detection includes a body, a first detection module, and a second detection module. The body includes a bottom plate and a side wall. The side wall is connected to the bottom plate and forms an accommodating space with the bottom plate. The first detection module is arranged on the bottom plate. The second detection module is arranged on the bottom plate and is adjacent to the first detection module. The first detection module and the second detection module each include a circuit board, a light-emitting element, an inner photographing element, and an outer photographing element. The circuit board is connected to the bottom plate. The light-emitting element is electrically connected to the circuit board. The inner photographing element is electrically connected to the circuit board. The outer photographing element is electrically connected to the circuit board.

To provide a vehicular lighting fixture that can reduce a brightness difference of a cutoff line in a light distribution pattern, appropriately set a brightness difference in a left-right direction in the light distribution pattern, and restrain light distribution unevenness from occurring.SOLUTION: A vehicular lighting fixture comprises: a light source; a projection lens provided on the vehicular front side of the light source; a shade arranged between the light source and the projection lens, and configured to form a cutoff line in a light distribution pattern; and a reflector configured to reflect light from the light source to the side of the projection lens. In the projection lens, a belt-like region 9 extending in the width direction of a vehicle is set in an incidence surface thereof, and a plurality of prisms 23 are provided in a line in the region. The plurality of prisms 23 comprise two kinds or more of prisms 23 having different curvature radii in the length direction of the belt-like region.SELECTED DRAWING: Figure 6

The utility model discloses a telescopic shading device, which comprises a driving mechanism and a shading cover, wherein the shading cover is mounted on the periphery of a light source device to be shaded and is driven by the driving mechanism to extend to form a light shading area. The device can be matched with special equipment for disassembling and assembling the container lock knob to disassemble and assemble the lock knob, and is relatively simple in structure, convenient to manufacture and capable of reducing manual labor, improving working efficiency and reducing the occurrence rate of safety accidents.

The invention discloses an automobile front anti-collision beam radian detection system, and relates to the technical field of anti-collision beam detection. The arc detection device comprises a detection table, a clamping assembly, a positioning assembly and a plurality of arc detection assemblies. The front anti-collision beam is reliably fixed to the clamping table through the clamping air cylinder and the rubber head, and automatic in-place and center correction are achieved through the conductive contact and the positioning conductive inclined block. When the position deviates, judgment is carried out through the resistance value difference, and early warning is given out. The arc measuring assembly is composed of image sensors, an imaging plate, a light shield and an adjusting fluted disc mechanism, the distance between the two sensors can be automatically adjusted according to detection requirements, multi-point projection imaging is conducted on a front anti-collision beam calibration point, and an overall radian curve is calculated. Meanwhile, the system is provided with a centrifugal impeller active heat dissipation mechanism, thermal noise of the image sensor is reduced, and detection stability is guaranteed.

This application provides a soft flash structure and a mobile phone. The soft flash structure includes a soft light, a soft lens, and a light shield. The curved reflective lens section has an incident curved surface and a reflecting curved surface on opposite sides, both curved away from the planar lens section. The planar lens section has a reflecting plane on opposite sides, and the condensing lens section has a condensing reflecting surface and a light emitting surface on opposite sides. The incident curved surface, one reflecting plane, and the condensing reflecting surface are connected sequentially, as are the reflecting curved surface, the other reflecting plane, and the light emitting surface. The soft light, the curved reflective lens section, the planar lens section, and the condensing lens section are housed together within the light shield. The light emitted by the soft light is at least partially incident on the incident curved surface and reflected sequentially by the reflecting surface, the two reflecting planes, and the condensing reflecting surface, before exiting through the light emitting surface. The aforementioned soft flash structure can form a gradually softened light spot with better light uniformity.

The invention discloses a self-compacting shrinkage-compensating concrete crack detection experimental device, and relates to the technical field of crack detection, the self-compacting shrinkage-compensating concrete crack detection experimental device comprises a workbench, and further comprises a placement table which is fixedly mounted at the top of the workbench, a working motor is fixedly mounted at the top of the placement table, and a triangular supporting plate is fixedly mounted at the top of the workbench; an output shaft of the working motor penetrates through and is rotationally installed on the triangular supporting plate, and the outermost end of the output shaft of the working motor is fixedly installed outside the connecting plate. A support is fixedly installed at the top of the workbench, in the concrete crack observation experiment, long-time stable light source observation experiment can be carried out only by placing the workbench outside a concrete crack to be observed and starting an annular fixed lamp and a working motor, meanwhile, through rotation of a connecting plate and an attaching buckle plate, the light source can be stably observed, and the concrete crack can be conveniently observed. The light shield can be kept clean while a stable light source is provided, and the situation that the illumination effect is affected by dust and other impurities due to long-time observation is avoided.

Space-based infrared detection of aerospace high-speed target pulse vision payload processing system and method. The payload processing system includes a temperature control component, a cryogenic lens component, a short-wave pulse vision detector component, a focal plane cooler component, a pulse processing circuit component, and a light shield component. By enabling each pixel in the collected salient data to independently record the light change on its own instead of imaging together at a specific moment, all pixels are arranged in a spatial layout to form a signal flow array, accurately depicting the physical process of light change over a period of time collected. This breaks through the limitations of the traditional detector signal acquisition method, A / D conversion, readout method, etc., can greatly improve the time sensitivity of detecting targets and events, has a higher frame rate, and has the ability to generate intelligent information.