23 results about "Prismatic surface" patented technology

The invention relates to the technical field of new energy, in particular to a natural-leaf-imitated 3D printing liquid drop friction generator which comprises a bionic blade main body structure, a bottom electrode, a friction layer and a top electrode which are sequentially arranged from bottom to top, the bionic blade main body structure serves as a substrate, and a rigid supporting framework is formed through a bionic vein network of the bionic blade main body structure; when liquid drops impact the prismatic surface, the liquid drops axially and directionally flow along a connecting channel of the vein network and are in contact with the friction layer, charge transfer between the bottom electrode and the top electrode is induced through a solid-liquid triboelectrification effect, meanwhile, a rigid skeleton of the vein limits excessive deformation of the FEP film, the spreading area of the liquid drops and the charge output density are synergistically improved, and the charge output density is increased. And the stability of an electrical path and the signal output efficiency are ensured.

The utility model relates to a modularized component of an elevator, which comprises a locking part arranged at the end part of a pivot. Prismatic counter bores are formed in the outer ends of the shaft holes of the shear fork arms. A prism section and an external thread section are formed at the end of the pivot. The locking part comprises an axial locking block, a thrust spring, an iron ring, an end cap and an electromagnet part. And a cylinder cavity of the cylinder part of the axial locking block is a prismatic through hole and is matched with the prismatic section. And one end of the thrust spring is in contact with a radial flange arranged at the end part of the barrel body part. And a prismatic surface which can be matched with the prismatic counter bore is formed on the outer peripheral surface of the radial flange. The iron ring is fixed on the cylinder body part, and the electromagnet part is fixed in the end cap. And the end cap can be matched with the external thread section. A transmission unit composed of the electromagnet part, the iron ring and the thrust spring can enable the axial locking block to move along a straight line, and the radial flange can be inserted into and moved out of the prism-shaped counter bore. The scissor fork arm and the pivot can be selectively locked, and the problem that when the elevator loses power, falling may occur is solved.

An image projector integrated with a light guide (10) has a reflective or reflective-refractive (catadioptric) lens (150) disposed on a surface (11) of the light guide itself or on a prismatic surface parallel or coplanar with the surface of the light guide (10). In some cases, a polarizing beam splitter (158) deflects light reflected from the collimating lens to couple collimated image light directly into the light guide (10) to propagate within the light guide. In some cases, a collimating lens (150) is associated with a prism or a surface of the light guide via an internal reflection retention interface (154) such that at least a portion of the image light coupled into the light guide is reflected at the internal reflection retention interface.

According to the double-shaft shredding machine convenient to replace the cutters, the cutter disc is arranged to be composed of the three cutters, the part, located in the machine box, of the rotating shaft is arranged to be the hexagonal prism face, and each face of the hexagonal prism face is provided with a plurality of threaded holes at equal intervals; the single cutter is detachably connected to the rotating shaft in the mode that the bolt is in threaded connection with the threaded hole, so that when a cutter head of the single cutter in the cutter disc is damaged and needs to be replaced, only the single cutter needs to be replaced, the whole rotating shaft and the cutter disc on the rotating shaft do not need to be detached, and the cutter is more convenient to replace; the cutter is arranged to be of a structure integrally formed by the cutter seats, the cutter bodies and the cutter heads, the cutter seats on the circumferential cutters form the gap ferrule between the cutter discs, the overall rigidity of the cutter is enhanced, and the cutter is not prone to being broken.

The utility model discloses an interior ceiling lamp for an automobile, which comprises a decorative mask, an arc-shaped bright inner lens, a base and an LED (light-emitting diode), the base and the decorative mask are respectively positioned on two opposite sides of the arc-shaped bright inner lens, and a PCBA (printed circuit board assembly) is mounted on the surface, facing the arc-shaped bright inner lens, of the base. The surface, facing the arc-shaped bright inner lens, of the PCBA is provided with an LED, the surface, facing the PCBA, of the arc-shaped bright inner lens protrudes to form a plurality of continuously-connected six-edge faces, and each six-edge face comprises six triangles connected in sequence. The included angle between each triangle and the surface, facing the PCBA, of the arc-shaped bright inner lens is not smaller than 30 degrees. According to the interior ceiling lamp for the automobile, the multi-face prismatic light face is used on the arc-shaped bright inner lens, the multi-face prismatic light face is used on the light receiving face, so that light emitted by the PCBA is refracted to achieve the starlight effect, and the transparent face cover on the outermost layer is provided with textures for decoration.

The invention belongs to the field of end mill preparation, and particularly relates to a preparation method of a beta-Si3N4 oriented and orderly-arranged silicon nitride ceramic integral end mill. A horizontal sintering mold is filled with the silicon nitride-based mixed powder, the filled powder is in a long-axis shape in the sintering mold, SPS sintering is carried out, the sintering pressure acts on the long-axis direction of the powder during sintering, beta-Si3N4 crystal grains are directionally arranged in the long-axis direction in the sintering process, and a ceramic matrix with an ordered microstructure is formed; and the ceramic substrate is prepared into a vertical milling cutter, and the high-wear-resistance prismatic surface of the crystal grains is parallel to the main cutting force direction in the cutting process. The method successfully breaks through the size limitation of the integral end mill prepared by traditional SPS, and remarkably improves the tipping resistance and the service life of the silicon nitride ceramic cutter.

The invention relates to an illuminable glazing element (101), comprising: an optical waveguide (1) having a first and a second surface (I, II), a light coupling-in element (100) arranged on the first surface (I) of the optical waveguide (1), comprising a prismatic film (2) with at least one prismatic surface (2.1, 2.2) which has a plurality of inclined surfaces (F), and a dichroic reflection layer (3) which is applied to the prismatic surface (2.1, 2.2), and a light source (6) for visible light (5), which is arranged facing the second surface (II) of the optical waveguide (1), wherein the light source (6) is oriented such that, during operation, it irradiates the light coupling-in element (100) with light (5) and the emitted light (5) is at least partially coupled into the optical waveguide (1) by way of reflection at the dichroic reflection layer (3).

Provided are a method for manufacturing a silicon carbide single crystal, which can suppress conversion of threading edge dislocations into prismatic plane dislocations and conversion of the prismatic plane dislocations into basal plane dislocations; and a silicon carbide single crystal ingot and a silicon carbide wafer, in which conversion from threading edge dislocations into prismatic plane dislocations and conversion from the prismatic plane dislocations into basal plane dislocations have been suppressed. A silicon carbide single crystal is grown on the surface of a seed substrate by a gas method so that a temperature gradient in the radial direction of the seed substrate takes a predetermined value or lower during the growth. The area of regions T1 to T4, where regions R1 to R3 of a basal plane whose shear stresses exceed critical resolved shear stress, and regions S1 to S4 of a prismatic plane whose shear stresses exceed critical resolved shear stress overlap, is less than a half of the area of a crystal growth surface. Furthermore, the area of the regions T1 to T4 is smaller than the area of regions V1 to V4 where a region R4 of the basal plane whose shear stress does not exceed the critical resolved shear stress overlaps the regions S1 to S4.

The present invention discloses a pipeline diameter adaptive detection vehicle based on a separate triangular prism surface, comprising a drive mechanism, an external diameter-changing mechanism, a support panel, a traveling mechanism, an internal diameter-changing mechanism, and a monitoring mechanism. Multiple support panels are provided along the circumference of the internal diameter-changing mechanism, and the internal diameter-changing mechanism enables the angle of each support panel to be adjusted. The drive mechanism, the external diameter-changing mechanism, and the traveling mechanism are respectively mounted on the support panels, the drive mechanism being transmission-connected to the traveling mechanism, and the drive mechanism can drive the traveling mechanism to move along the inner wall of the pipeline. The external diameter-changing mechanism is transmission-connected to the traveling mechanism, and the external diameter-changing mechanism enables the traveling mechanism to be height-adjusted. The monitoring mechanism is mounted at the head of the internal diameter-changing mechanism, and the monitoring mechanism can monitor the interior of the pipeline. The present invention can utilize three separate support panels and the diameter-changing mechanism to perform front-to-back and up-and-down adaptive adjustments.

Slow-light prism enhanced spectroscopy (SLOPES) is described. In one embodiment, a method for characterizing spectral properties of a sample includes illuminating a material sample by a tunable source of light. In response to illuminating the material sample, scattered light is produced, where the scattered light embodies spectral properties of the sample. Method also includes, passing the scattered light through a vapor prism cell. The vapor prism cell includes prismatic surfaces in a path of the scattered light. The vapor prism cell contains gas that is configured to selectively slow down propagation velocities at different spectral features of the scattered light and to disperse different spectral features of the scattered light at separate angles. The method also includes acquiring signals corresponding to time-gated spectral properties of the scattered light after propagating through the vapor prism cell. The acquired signals are discriminated in time based on acquired signals' time-gated properties and in space based on acquired signals' dispersion angle and subsequent location on an acquisition plane. Spectral features of the scattered light are determined based on the acquired signals.

The invention relates to the field of precise measurement of complex parts, in particular to a local feature-based point cloud segmentation method for a narrow prism surface of a miniature part. Comprising the following steps: acquiring original point cloud data of a part, and preprocessing the original point cloud data; a region growing algorithm based on seed point selection is used for the preprocessed data to obtain a large-region curved surface of the part except a narrow ridge surface; aligning the part model with the segmented large area to obtain a part narrow edge surface point cloud interval range adjacent to the large area; restoring the point cloud data in the narrow prismatic surface point cloud interval range, and calculating a three-dimensional point cloud curvature; constructing a reference point sequence based on the curvature of the three-dimensional point cloud, and judging whether the sequence can represent a narrow prism plane or not based on the curvature and the normal of the narrow prism; and a narrow prism surface is solved by using the finally obtained reference point, and point cloud segmentation is completed. According to the method, accurate registration and labeling of the point cloud data are not needed, the requirement for priori knowledge is reduced, the automation degree of point cloud segmentation is improved, and the method has high engineering application and popularization value.

The utility model discloses a kind of electromagnetic shielding mechanism of pulse electromagnetic co-shock water purifying device, pulse electromagnetic co-shock chamber is enclosed by outer box, the outer box is octagonal prism, each prism surface of the outer box is correspondingly provided with electromagnetic shielding plate group, the electromagnetic shielding plate group includes first shielding plate, second shielding plate, third shielding plate, connecting bolt, the second shielding plate is located between the first shielding plate and the third shielding plate, the connecting bolt is sequentially worn first shielding plate, second shielding plate and third shielding plate.The utility model can carry out electromagnetic shielding to pulse electromagnetic co-shock chamber inside pulse transmitter, so that pulse electromagnetic co-shock water purifying device is more safe in use.

The present invention relates to a fin with a prismatic surface and an anti-corrosion coating, comprising a substrate with an anti-corrosion coating, a plurality of tube holes being opened on the substrate, and protrusions with the anti-corrosion coating in the shape of horizontal and vertical ridges being punched out around the periphery of the tube holes on the substrate, wherein the anti-corrosion coating is a phenolic coating formed by spraying a phenolic coating. The fin with a prismatic surface and an anti-corrosion coating of the present invention has a plurality of tube holes opened on the substrate, and protrusions with the anti-corrosion coating in the shape of horizontal and vertical ridges being punched out around the periphery of the tube holes on the substrate, thereby effectively destroying the "boundary layer" generated when the fluid flows along the surface of the fin during use, thereby strengthening the disturbance of the fluid and effectively preventing the deposition of solid dust in the fluid. The surface anti-corrosion coating can resist corrosion well in an environment with high temperature and corrosive media, and is suitable for an environment with complex media components, high temperature and corrosiveness, such as a gas heat exchanger for a waste-to-energy gas-fired unit.

1. The name of the design product: the prismatic surface pressing part of a switch. 2. The use of the design product: used as a whole for opening and closing control, and the claimed part is used for switching the opening and closing of the switch contact. 3. The design points of the design product: the shape of the part shown in solid lines. 4. The picture or photo that best indicates the design points: perspective view. 5. Other circumstances that need to be explained: the part of the design of the claimed design product is the structure represented by solid lines, and the part not claimed is represented by dashed lines in the design picture.

The invention relates to an integrally formed elbow flowmeter sensor and a processing method, and the sensor is integrally and synchronously processed and formed by a single thick-wall seamless steel pipe and comprises a 90-degree elbow section and straight pipe sections (15-55mm) at two ends. The outer surface of the bent pipe section is machined into a 4-20-edge polyhedral structure, and the outer diameter of the straight pipe section is matched with that of a standard pipeline. During manufacturing, an elbow blank with a straight pipe section is firstly prepared, then the inner surface and the outer surface are synchronously and finely machined through a machining center, and part of outer ridge faces serve as positioning and curvature measuring references. And the machining precision reaches IT6 level. According to tests, the qualified rate of finished products is increased to 98%, the pressure bearing capacity is improved by 40%, the installation efficiency is improved by 50%, and the technical problems that in a traditional technology, welding deformation exists, the size is enlarged, and precision is limited and installation is not convenient due to the fact that an integrally-formed straight pipe section does not exist are solved.

The male head protection assembly comprises a male head connector and a male head cap which are detachably connected in an inserted mode, one end of the male head connector is a columnar inserting end, at least one prismatic face is arranged on the periphery of the inserting end, the prismatic face is a plane and is parallel to the axis of the inserting end, and the male head cap is connected with the male head connector in an inserted mode. A clamping hole is formed in the male head cap, and a first sealing ring is arranged in the clamping hole; when the male head cap is connected with the male head connector in an inserted mode, the first sealing ring seals the insertion end in an attached mode. According to the scheme, the prismatic surface parallel to the axis is arranged on the inserting end, the first sealing ring is extruded through the prismatic surface while the inserting end is conveniently clamped into the clamping hole, the inserting end and the first sealing ring are tightly attached, the prismatic surface can achieve an anti-rotation effect, and therefore clamping of the inserting end and the male head cap is tighter, and the inserting end and the male head cap can be prevented from rotating. The sealing effect is enhanced; in conclusion, the sealing structure is good in sealing effect and can be suitable for severe sandy soil and other environments.

The utility model discloses a sintering combined wallboard large surface, edge surface and cross section polishing structure which comprises a first conveying line and a lower surface polishing mechanism, and the lower surface polishing mechanism is arranged on the first conveying line and used for polishing the lower surface of a base material; the upper surface grinding mechanism is arranged on the first conveying line behind the lower surface grinding mechanism and is used for grinding the upper surface of the base material; the edge surface grinding mechanism is arranged on the first conveying line behind the upper surface grinding mechanism and is used for grinding the edge surface of the base material; the steering mechanism is arranged on the first conveying line behind the edge surface grinding mechanism, and the steering mechanism is used for rotating the base material by 90 degrees; and the section grinding mechanism is arranged on the first conveying line behind the steering mechanism and is used for grinding the section of the base material.

The invention relates to an optical system (1) comprising at least the following components: a first holographic arrangement (2) comprising a first diffractive element (3) formed by a first prism arrangement (4) having an at least quadrilateral base surface, the side surfaces of the first prism arrangement (4) having the following side surface areas: a first incident surface (31) for reference light (100), the invention relates to a first prism arrangement (4), comprising a first incident surface (31) for object light (200) extending along a first incident plane (310), a second incident surface (32) for object light (200) extending along a second incident plane (320), where the first and second incident surfaces (31, 32) form opposite side surface regions of the first prism arrangement (4), an exit surface (33) extending along an exit plane (330), the first diffractive element (3) has an exit surface (33) through which diffracted reference light (102) and diffracted object light (201) can exit from the first diffractive element (3), a prismatic surface (34) opposite the exit surface (33) and extending along a prismatic plane (340), an optically transmissive diffraction grating arrangement (36) arranged in the first diffractive element (3), the transmission diffraction grating arrangement (36) of the first diffractive element (3) comprises at least one first volumetric phase grating, and wherein the first holographic arrangement (2) has a first mirror (35) on the prism surface (34) side and extends along a diffraction plane (360) intersecting the first incidence plane (310) between the first incidence surface (31) and the exit surface (33), and wherein the transmission diffraction grating arrangement (36) of the first diffractive element (3) comprises at least one first volumetric phase grating, and wherein the first holographic arrangement (2) has a second mirror (35) on the prism surface (34) side, the first mirror (35) has a first mirror plane (350), the first mirror plane (350) enclosing an angle alpha with the diffraction plane (360), and the prism plane (340) enclosing an angle omega 2 with the diffraction plane (360), at least one of the angles alpha, omega 2 being different from 45 degrees.

The invention relates to the technical field of light guide plates, in particular to a peep-proof light guide plate and a preparation method thereof.The lattice point face of the light guide plate is provided with two or more triangular prism microstructures, intervals are arranged between the triangular prism microstructures, and the prism faces of the triangular prism microstructures are perpendicular to a light incident face; the light-emitting surface of the light guide plate is provided with continuous columnar curved surface structures, and the continuous columnar curved surface structures are arranged in a high-low shape. The light propagation direction in the light guide plate is regulated and controlled through the unique triangular prism lattice point structure of the light guide plate, stray light is shrunk through the continuous prism curved surface light control microstructures on the light emitting surface, emergent light is gathered in a very small visual angle range, and collimation control over the emergent light is achieved by adjusting the inclination angle of the triangular prism lattice points. Therefore, the peep-proof function is realized.

The present disclosure relates to light source modules with adaptive illumination. Various embodiments disclosed herein include adaptive light source modules that can provide adaptive illumination to a scene. These adaptive light source modules can include a housing, an emitter array, and a lens. The emitter array includes a plurality of emitters. The lens can redirect light emitted from the emitter array through a transparent window of the housing. The housing can also include a prismatic surface that distorts light emitted from the emitter array and / or one or more opaque portions that limit light from passing therethrough. The adaptive light source module can optionally include a light sensor, and a portion of the lens can be configured to direct light toward the light sensor.

This utility model belongs to the field of naked-eye 3D technology, and specifically relates to a combined lens, including a base plate. Multiple first horizontal grooves are formed on the top surface of the base plate, and multiple lens blocks are slidably connected within these grooves. A second horizontal groove is formed on the top of each lens block, and a lens head is slidably connected within it. The projections of the sliding directions of the lens blocks and the sliding directions of the lens heads onto the top surface of the base plate are perpendicular to each other. Furthermore, the lens head includes a cylindrical lens, a spherical lens, and a prismatic lens. Through the above configuration, this utility model allows for adaptive adjustments to the lens combination method according to actual usage needs, meeting the requirements of different scenarios, and facilitating the replacement, maintenance, and upkeep of the lens head, thereby improving the service life of this utility model.

The invention discloses a machining method for improving the precision of a triangular prism surface, which comprises the following steps of: establishing a three-dimensional model, importing the three-dimensional model into UG software, setting cutter parameters in an equal-height finish machining mode, then respectively setting rough and finish milling parameters, and exporting a rough milling program and a finish milling program. And in the finish-milling procedure, the smooth surface is milled at uniform acceleration, the speed is uniformly reduced when the cutter is fed to the ridge surface, and the cutter passes through the smooth surface at uniform acceleration after passing through the ridge surface, and the steps are repeated in sequence until a circle of triangular prism surface is machined. The precision and the surface quality of the triangular prism surface are improved, the machining efficiency is higher, and production is convenient.

The utility model relates to a special spanner for a straight thread combined connecting piece connecting component reinforcing steel bar, which is characterized by comprising a rotating head and a handle, the rotating head is provided with three sections of stepped holes with diameters gradually reduced, the diameters of the stepped holes are a polygonal prismatic surface, a middle section hole and a small-diameter hole in sequence from large to small, the side wall of the rotating head is provided with two sections of stepped openings, and the handle is connected with the handle. The stepped openings are respectively a small-diameter section opening and a middle section and prismatic surface section opening, the opening width of the small-diameter section opening is the same as the diameter of the small-diameter hole, and the opening widths of the middle section and the prismatic surface section opening are the same as the diameter of the middle section hole; by means of the special structural design, the connecting efficiency of the straight thread combined connecting piece is greatly improved, steel bar connection of double-layer and multi-layer steel bar cages with compact steel bar distribution can be achieved, and whether the installation tightening torque of the straight thread combined connecting piece is in place or not can be detected.