194 results about "Protective glasses" patented technology

The application discloses a high-resolution oblique-axis optical lens, comprising, from the object side to the image side, a first lens, a second lens, a third lens, a fourth lens, a diaphragm, a fifth lens, a sixth lens, a seventh lens, an eighth lens, a ninth lens, a protective glass and an image sensor; the first lens is a filter; the second lens is a biconvex spherical lens with positive focal power; the third lens is a spherical lens with negative focal power; the fourth lens is a spherical lens with positive focal power; and the fifth lens is a biconcave spherical lens with negative focal power. The technical scheme balances and corrects optical aberrations of all levels by reasonably distributing the focal power of the lenses, reasonably matching the optical materials and shapes, and utilizes the cylindrical lens to correct astigmatism caused by the optical path of the meridian arc vector plane of the protective glass, so that the advantages of large target surface, low distortion, ultra-short object distance, high resolving power and the like of the lens are achieved.

The utility model provides an isolation type fuse, which relates to the technical field of fuses and comprises a fuse main body, a fuse isolation assembly is arranged on the outer side of the fuse main body, a protective outer cover is connected with a clamping groove in the inner side of a limiting sliding groove, a rotating bolt is connected with the lower side of the protective outer cover, and the rotating bolt is connected with the fuse isolation assembly. A bolt head is welded to the tail end of the rotating bolt, and a driven bearing is installed on the outer side of the bolt head. A worker can observe the state of the fusing column through the protective glass plate to ensure the operation safety, and when the protective outer cover is dismounted, the protective outer cover can slowly rise due to the twisting force of the threads along with the rotation of the rotating bolt, so that the protective outer cover can be effectively disconnected with the fusing column, the isolation effect of the fusing column in the operation process is ensured, and the safety of the operation is ensured. Meanwhile, potential safety hazards caused by misoperation are avoided, a worker drives the rotating bolt to rotate through the bolt head through equipment such as a screwdriver, and it is guaranteed that the bolt head cannot dislocate through the driven bearing.

1. Name of the designed product: protective sleeve (two-dimensional code protective glass cover). 2. Use of the designed product: the product belongs to two-dimensional code protection accessories, mainly used for outdoor and humid environment, used for covering and protecting the surface of two-dimensional code. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: perspective view.

The utility model relates to the technical field of security and protection monitoring, and discloses a security and protection monitoring capable of autonomous protection, which comprises an external shell and a camera fixedly arranged in the external shell, one end of the camera is fixedly provided with protective glass, and when the security and protection monitoring is used, the protective glass is fixedly arranged at the other end of the camera. Whether a movable object is close to the movable assembly or not within the safety range of the front end of the movable assembly is detected through the inductor, when it is detected that the movable object is close to the movable assembly and possibly damaged, the inductor generates an electric signal to the electric push rod to start the electric push rod, the two sides of the electric push rod push the movable rod into the open groove, and gas is pushed towards the movable assembly; according to the security and protection monitoring capable of achieving automatic protection, when an inductor detects that a movable object gets close to the monitoring area, an electric push rod can be automatically driven to enable the gas in an open groove to be squeezed, and then the gas in the open groove is extruded; and the movable assembly is driven to automatically protect the front end of the camera.

The invention discloses a pi-shaped chip high-voltage pulse attenuation network resistor and a manufacturing method thereof, and belongs to the technical field of electronic components. The network resistor structure comprises a ceramic substrate, a resistive layer, a resistive layer R1, a resistive layer R2, a resistive layer R3, a surface electrode, a back electrode, a side electrode, an electrode nickel-plated layer, an electrode lead-tin-plated layer, a glass protection layer and an epoxy resin layer. The manufacturing method comprises the following steps: printing a surface electrode on the upper surface of a ceramic substrate, printing a back electrode on the lower surface of the ceramic substrate, printing a resistive layer bridged on the surface electrode, printing protective glass on the resistive layer, carrying out laser resistance trimming on the resistive layer, printing an epoxy resin protective layer and a mark on the protective glass, and sputtering a metal layer on the end surface. And preparing an electrode nickel-plated layer and a lead-tin-plated layer on the end surface. The problems that in the prior art, overheat burnout is likely to occur, electrodes are likely to be eroded in a humid or sulfur-containing environment, and the manufacturing precision and stability are difficult to improve and control are solved. The resistor is widely applied to the technical field of attenuation network resistors.

A lighting device (ED) comprises: - at least one photon-generating source for at least one flat diffusion screen (ED2), having a length and height and thickness strictly less than this length and perpendicular to each other and to this length, and subdivided into first (P1) and second (P2) parts fixedly joined together by extending each other and diffusing photons from the source onto a first front face (FV1), and - at least one protective glass (GP2) comprising a wall (PG1) having a length and height substantially identical to those of the diffusion screen (ED2), installed in front of the first front face (FV1) by being coupled to the first (P1) and second (P2) parts, and adapted to allow the diffused photons to pass through. Figure 3

The application discloses a 4K thermal stable DVR optical imaging system, which comprises a first lens, a second lens, a third lens, a diaphragm, a fourth lens, a fifth lens, a sixth lens, a seventh lens, a filter, a protective glass and an image plane arranged in the direction from the object side to the image side. Through the reasonable use of the lenses with specific shapes and the definition of the optical power of each lens, the application realizes a large target surface design, the maximum target surface is greater than or equal to 9.56 mm, can match a 1 / 1.8 chip IMX728, a large aperture design F1.8, and can realize the recording and identification of objects on both sides of the road in a dark environment; the FOV is increased to 171 degrees, a large-angle picture can be shot, and the field of view is improved.

The application relates to the field of salt field equipment, in particular to an intelligent high-molecular polymer protection device for a smart salt field. The protection device is composed of side blocking assemblies and active rain shielding assemblies, wherein the four side blocking assemblies are connected in a head-to-tail mode to form a closed rectangular enclosing structure, the structure frames a crystallization area of the salt field and abuts against a pool ridge. The side blocking assembly comprises a main body support frame made of glass fiber reinforced plastic, a transparent protective glass layer is fixedly arranged on one side surface of the main body support frame towards the inside of the enclosing structure, and the protective glass layer is reliably connected with the main body support frame through a continuous bonding layer or a mechanical fastener distributed at intervals. Compared with the prior art, the device realizes protection optimization through the following technical effects: the modular plugboard design reduces the maintenance cost of the main body frame while improving the local replacement efficiency.

The present application relates to the technical fields of electronic packaging technology, and particularly relates to a silicon-based OLED structure for improving packaging effect and a preparation method thereof, which comprises a silicon wafer substrate, an intermediate interlayer arranged on the upper surface of the silicon wafer substrate, a flat layer arranged on the upper surface of the intermediate interlayer, a color filter layer coated on the upper surface of the flat layer, a protective glass cover plate bonded to the upper surface of the color filter layer, and a knife wheel cutting path arranged on one side surface of the intermediate interlayer. Through the above structure, in the PECVD film coating process, a special mask or process parameter control is used to form an inverted corner structure at the edge of the pixel definition layer. When the knife wheel starts to cut, even if a crack occurs, the crack will not continue to the mechanism itself due to the arrangement of the inverted corner structure, and the rupture of the packaging film layer during cutting will not extend to the OLED display area (i.e. the evaporation light-emitting layer 4 area), so that the packaging failure caused by cutting can be effectively improved, and the display life is improved.

Provided is a laser processing machine that suppresses or prevents foreign matter from colliding with a protective glass. The laser processing machine includes a laser emission portion that emits laser light and has a protective glass through which the laser light can pass, and a cylindrical housing that is attached to the laser emission portion and is disposed so as to surround an optical path of the laser light emitted from the laser emission portion. The housing includes a first opening end portion that faces the protective glass, a second opening end portion that is on the opposite side from the first opening end portion, and a first blowout portion that is disposed on the entire circumference of the inside of the first opening end portion and blows out gas toward the central axis of the housing.

An optical inspection device designed for testing an optical component such as a protective glass, an optical transmission system of a welding laser beam having a laser wavelength, comprising:a light source designed to emit a test light,receiving means designed to receive at least a portion of the test light and to quantify at least one quantity of the received light,means for holding the optical component designed to position the optical component between the light source and the receiving means, characterized in that:the portion of the test light received by the receiving means has a wavelength at ±20% of the laser wavelength.

The invention discloses a novel reinforced mini LED backlight liquid crystal display module which comprises a front shell, protective glass, an attaching adhesive layer, a liquid crystal display screen, a structural supporting frame, a polarized light brightness enhancement film, a microstructure diffusion film, a heat dissipation plate and a PCB control panel and is characterized by further comprising a multifunctional controllable dimming plate, a side-in type backlight light bar and a mini LED backlight plate. The polarized light brightness enhancement film, the microstructure diffusion film, the multifunctional controllable dimming plate and the mini LED backlight plate are sequentially attached and stacked from top to bottom in the vertical direction and located in the structure supporting frame, the mini LED backlight plate is located above the heat dissipation plate, and the side-in type backlight lamp strip is vertically fixed to the side wall of the structure supporting frame and makes contact with the multifunctional controllable dimming plate. The multifunctional controllable dimming board is used for realizing liquid crystal dimming under the control of the PCB control board. According to the invention, night vision compatibility and optical film material reinforcement treatment can be realized.

The utility model discloses a rotary tillage coulter blade with a wear-resistant mechanism, which relates to the technical field of rotary tillage coulters and comprises a rotating shaft and a plurality of groups of turntables, the plurality of turntables are uniformly and fixedly mounted on the outer side of the rotating shaft, and a plurality of rotary tillage coulters are uniformly arranged above and below the periphery of the middle of the rotating shaft. According to the utility model, the glass protection layers capable of protecting the rotary coulter are arranged above and below the end part of the rotary coulter, and the glass protection layers are made of high-strength glass materials, so that the direct contact between the rotary coulter and hard particles in soil can be effectively isolated, and the abrasion of the blade is reduced; in addition, a wear-resistant part is arranged in front of each rotary plow coulter, a front blade of each wear-resistant part can be in contact with soil in advance in the plowing process, hard particles in the soil can be dispersed, impact force from the soil can be borne, concentrated abrasion to the rotary plow coulters is reduced, the abrasion speed of the rotary plow coulters is reduced, and therefore the service life of the rotary plow coulters is effectively prolonged.

The utility model belongs to the field of illumination application, and provides a laser pixel projection headlamp which comprises a laser, two G1 lenses, a G2 lens, a G3 lens, a G4 lens, a G5 lens, a G6 lens, a G7 lens, a first reflecting mirror, a second reflecting mirror, fluorescent powder, protective glass and a liquid crystal panel. Brightness, system size and cost are taken into consideration, the problems that a pixel headlamp with a light-emitting diode as a light source is poor in projection image quality and fuzzy in sideline are solved, and the pixel headlamp has the advantages of being easy to manufacture, high in lighting effect and high in imaging quality.

The embodiment of the application discloses a high-definition zoom lens applied to micro-nano high-precision 3D printing, comprising: coaxially arranged lens groups with positive light angles, a diaphragm, a light splitting device, a galvanometer, a protective glass and an imaging surface, wherein the lens groups comprise coaxially arranged first group lenses and second group lenses in sequence, and the diaphragm is located between the first group lenses and the second group lenses. Through the high-definition zoom lens, the printing pixel size can be continuously changed, the lens distortion is small, the relative luminance is high, the light efficiency is high, and the use requirements are met.

The utility model discloses a five-gluing endoscope objective lens optical system which is composed of a first optical assembly with negative focal power and a second optical assembly with positive focal power, wherein the first optical assembly and the second optical assembly are sequentially arranged from the object side. The first optical assembly is composed of protective glass, a first lens, a viewing direction prism interval and a second lens which are sequentially arranged from the object space to the image space along the main optical axis. The second optical assembly is a rod-shaped lens of a biconvex structure, the rod-shaped lens is formed by sequentially gluing a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens which are sequentially arranged from the object space to the image space along the main optical axis, the third lens, the fourth lens and the sixth lens are lenses with negative focal power, and the seventh lens is a lens with negative focal power. And the fifth lens and the seventh lens are lenses with positive focal power. According to the utility model, the effect of enough spacing for configuring the field-of-view steering prism is ensured, and the device has the advantages of small size, easy installation, high image quality and the like.

The utility model discloses coaxial visual inspection laser cutting equipment, and relates to the technical field of laser cutting equipment. According to the coaxial visual inspection laser cutting equipment, the gas inlet pipe is arranged and connected to the bottom of the laser transmission pipeline, the bottom of the gas inlet pipe is connected with the high-pressure nozzle, the gas inlet pipe can convey gas to a cutting area, and the high-pressure nozzle can spray gas in a high-pressure mode and is used for blowing away slag and smoke dust generated in the cutting process, so that the cleanliness of the cutting area is guaranteed; the cutting quality is improved, and meanwhile visual inspection is facilitated; the objective lens is arranged below the laser transmission pipeline in a sleeving manner, and the bottom of the objective lens is connected with the protective glass in a magnetic attraction manner, so that mounting and dismounting are facilitated, and the objective lens can be effectively protected from being damaged by splashes and dust generated in the cutting process; the turntable is arranged, and light beads with different light sources are arranged in the turntable, so that adjustment can be performed according to workpieces with different materials and colors, and the detection effect is ensured.

The invention relates to an anti-radiation coating, anti-radiation composite glass and a preparation method of the anti-radiation coating. The anti-radiation coating comprises the following components in percentage by mass: 10-30% of hexagonal boron nitride, 1-10% of a dispersing agent, 1-10% of a binder and 60-80% of a solvent A, the radiation-proof composite glass comprises a first glass layer, a resin sandwich layer, a second glass layer and a radiation-proof coating which are sequentially stacked, and the anti-radiation coating is obtained by curing an anti-radiation coating. According to the invention, the radiation-proof coating is subjected to formula design, so that efficient shielding of terahertz waves and electromagnetic radiation is realized, and the radiation-proof composite glass coated with the radiation-proof coating can effectively shield terahertz waves and electromagnetic radiation and has light transmission, impact resistance and aging resistance. No heavy metal or organic solvent is used in the formula of the radiation-proof coating and the radiation-proof composite glass provided by the invention, so that the requirements of protective glass of baby rooms can be met.

Laser processing head (30), comprising - a beam guidance housing (111) for a laser beam (5) propagating along a beam axis (LA), - a swivel unit (112) comprising a swivel shaft (41) and a swivel frame (6) which is rigidly attached to the swivel shaft (41) and which is arranged in the beam guidance housing (111), - an adjustment mechanism (34) with which the swivel unit (112) can be rotated relative to the beam guidance housing (111) about the swivel shaft (41), - at least two collimation lenses (2, 9) which are attached to the swivel frame (6) and which can be selectively brought into the beam axis (LA) of the laser beam (5) by rotating the swivel unit (112), - at least one focusing lens (102) in the beam axis (LA) of the laser beam (5), - and a monitoring device (106) with which the temperature of the swivel unit (112) can be measured; characterized by that the laser processing head (30) a first cooling unit (101) and a second cooling unit (102), wherein the first cooling unit (101) is arranged in a lower part (35) of the beam guidance housing (111) comprising the at least one focusing lens (102), a protective glass (109) and a laser exit nozzle (36), or between the lower part (35) and an upper part (33) of the beam guidance housing (111) comprising the monitoring device (106) and the swivel unit (112), and that the second cooling unit (103) is arranged on an outside of the upper part (33) of the beam guidance housing (111).

The application provides an off-axis splicing projection objective lens system for 3D printing, which comprises, along an optical axis, an image generator set, a protective glass, a light splitting device, an off-axis lens set and a common lens set in sequence from an object plane to an imaging plane. The off-axis splicing projection objective lens system for 3D printing provided by the application adopts two small-size image generators, and the optical system is modularized, and only the off-axis lens set can be vertically adjusted, so that the overlap of two projection frames and the size of the overlap range are realized. Except for the off-axis lens set, the same optical system is shared, and the cost, volume, image quality and resolution are reasonably balanced, and the system has a series of advantages such as high integration, small volume, easy manufacturing, reasonable tolerance, low cost and high imaging quality, and has high practical application value.

The present application provides a kind of projection lens, including successively along optical axis from projection surface to image source surface: the first lens with positive focal power, its projection side surface is convex;Second lens with negative focal power, its projection side surface is convex, its image source side surface is concave;The third lens with positive focal power, its projection side surface is concave, its image source side surface is convex;Fourth lens with negative focal power, its projection side surface is concave;The fifth lens with positive focal power, its projection side surface is concave, its image source side surface is convex;The sixth lens with positive focal power, its projection side surface is convex, its image source side surface is convex;Prism;Protective glass;Flat glass is arranged between the prism and protective glass, flat glass can be located in first position or second position by switching device.The present application provides the clear imaging at two different projection distances by the switching of flat glass, and completes the switching of close-up and long shot.

The invention discloses an ultraviolet sterilization device for a subglacial lake drilling hose, and relates to the technical field of sterilization of polar region drilling tools. The ultraviolet sterilization device for the subglacial lake drilling hose comprises an annular bracket, an ultraviolet lamp assembly and a cover plate assembly, the inner ring side of the annular bracket is an inner ring cavity which is through up and down, and the plurality of ultraviolet lamp assemblies are arranged around the inner ring cavity; the cover plate assembly is used for sealing and covering the upper opening of the inner ring cavity; each ultraviolet lamp assembly comprises a radiator, a plurality of ultraviolet lamps, a front panel and a protective glass plate, the front panel is located on the side, close to the inner ring cavity, of the radiator, the ultraviolet lamps are embedded in the front panel, and the protective glass plate is arranged on the side, close to the inner ring cavity, of the front panel; and the plurality of ultraviolet lamps are arranged to irradiate towards the middle part of the inner ring cavity and are used for carrying out ultraviolet sterilization on the drilling hose. The drilling hose can be subjected to ultraviolet sterilization, the subglacial lake is prevented from being polluted, and the heat dissipation and protection effects are good.

The invention relates to the technical field of special glass, and discloses special protective glass and a preparation method thereof.The special protective glass comprises a glass substrate and a self-healing coating coated on the surface of the glass substrate; the glass substrate consists of oxides of the following elements: a silicon source, an aluminum source, a lithium source, a sodium source, a magnesium source, a zirconium source, a phosphorus source, a titanium source, a cerium source and a tin source; the self-healing coating comprises an organosiloxane film forming component, a crosslinking component, a silane anchoring component and nanoparticles; the cross-linking component comprises a boric acid ester bond cross-linking structure and a disulfide bond cross-linking structure; the silane anchoring component comprises at least one molecule with a trialkoxy silicon group at the tail end, and the self-healing coating is combined with a silanol group on the surface of the glass substrate through a silicon-oxygen bond to form an interface covalent binding layer. According to the invention, the glass can be effectively repaired after cracks appear, so that not only is the optical performance ensured, but also the mechanical strength of the glass is enhanced.

The utility model provides a novel UV (ultraviolet) receiving and transmitting lamp which comprises a shell and a battery arranged in the shell, a power management module is mounted on one side of the battery in the shell, an operation panel is arranged at the outer end of the shell corresponding to the power management module, and one side of the shell is covered by the operation panel; a light source module is installed on the side, away from the power management module, in the shell, a cooling fin is installed on one side of the light source module, protective glass is arranged at the outer end of the light source module, a cover plate is installed at the outer end of the protective glass, and one side of the shell is covered with the cover plate. According to the device, unique optical design is adopted, a brand new plane mirror structure is adopted, the contact area irradiated by light rays emitted by the UV lamp beads can be wider, incomplete irradiation and insufficient curing at the hair extension position are prevented, it is guaranteed that UV glue is comprehensively and evenly cured, and the firmness and durability of hair extension are improved. The lamp body adopts human engineering design, the whole lamp body is streamlined, the weight distribution is uniform, the handle fits the curve of the hand, and the fatigue feeling of a hairdressing teacher during long-time operation is relieved.

A LIDAR system (1) comprising a curved protective glass (2), characterized in that the LIDAR system (1) comprises a compensation element (11) configured to compensate for light refraction caused by the protective glass (2), wherein the compensation element (11) is surrounded by or embedded in the protective glass (2).

The invention relates to an image sensor unit (10) comprising an image sensor (12) and a protective glass (14), wherein the protective glass (14) covers a light-sensitive area of ​​the image sensor (12), and wherein the protective glass (14) is connected to the image sensor (12) by means of a pressure-sensitive adhesive (16). The invention further relates to an optical unit comprising an image sensor unit (10) and a method for manufacturing an image sensor unit (10).

1. The name of the design product: protective glasses. 2. The use of the design product: the design product is used for protecting eyes. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

The liquid crystal display screen comprises a liquid crystal display screen body and protective glass, the protective glass is arranged on the outer side of the liquid crystal display screen body, the liquid crystal display screen body comprises a polaroid, the protective glass and the polaroid are arranged in a spaced mode, a first coating is arranged on the surface, facing the polaroid, of the protective glass, and the first coating contains inorganic particles; part of the inorganic particles are arranged on the end face, facing one side of the polaroid, of the first coating and form an exposed face exceeding the end face, and the exposed face is an arc-shaped protruding face formed after polishing. According to the application, the end face of the first coating layer containing the inorganic particles and facing one side of the polaroid is polished, so that the edges and / or edges of the inorganic particles exceeding the end face of the first coating layer are polished to be flat, and the formed arc-shaped convex surface can effectively prevent the polaroid from being abraded by the inner surface of the protective glass and is beneficial to improving the anti-dazzle effect of the protective glass.

1. The name of the design product: protective glasses (SG60071). 2. The use of the design product: the design product is protective glasses, which adopts a full-enclosing frame and reinforced lens structure, can block high-speed flying metal debris, sand and other foreign matters, and is suitable for high-risk working environments such as mechanical processing and construction sites. The foldable design of the temples facilitates storage, and the air holes on the sides of the frame balance protection and wearing comfort. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.