327 results about "Protective glasses" patented technology

The invention provides a projection lens, which sequentially comprises a first lens with positive focal power from a projection surface to an image source surface along an optical axis, a second lens with negative focal power and a third lens with positive focal power from the projection surface to the image source surface, the surface of the projection side of the second lens is a convex surface, and the surface of the image source side of the second lens is a concave surface; the surface of the projection side of the third lens is a concave surface, and the surface of the image source side of the third lens is a concave surface; the surface of the projection side of the fourth lens is a convex surface, and the surface of the image source side of the fourth lens is a convex surface; the surface of the image source side of the fifth lens is a convex surface; the surface of the projection side of the sixth lens is a convex surface; a prism; a protective glass; a piece of plate glass with changeable positions is arranged between the prism and the protective glass, and the plate glass can be located at a first position or a second position through a switching device. According to the projection lens provided by the invention, clear imaging at two different projection distances is realized through switching of the plate glass, and switching between a close shot and a long shot is completed.

The invention provides a projection lens, which sequentially comprises a first lens with positive focal power from a projection surface to an image source surface along an optical axis, a second lens with negative focal power and a third lens with positive focal power from the projection surface to the image source surface, the surface of the projection side of the second lens is a convex surface, and the surface of the image source side of the second lens is a concave surface; the surface of the projection side of the third lens is a concave surface, and the surface of the image source side of the third lens is a convex surface; the surface of the projection side of the fourth lens is a concave surface; the surface of the projection side of the fifth lens is a concave surface, and the surface of the image source side of the fifth lens is a convex surface; the surface of the projection side of the sixth lens is a convex surface, and the surface of the image source side of the sixth lens is a convex surface; a prism; a protective glass; plate glass is arranged between the prism and the protective glass, and the plate glass can be located at a first position or a second position through a switching device. According to the projection lens provided by the invention, clear imaging at two different projection distances is realized through switching of the plate glass, and switching between a close shot and a long shot is completed.

The invention discloses protective glass, an isolating agent, application of the isolating agent and display equipment, the protective glass comprises a glass body and an isolating membrane layer arranged on at least one surface of the glass body, the isolating membrane layer can inhibit alkali precipitation reaction of soda-lime glass, especially alkali precipitation reaction on the back surface of the glass, and the isolating membrane layer can inhibit alkali precipitation reaction of the soda-lime glass, especially alkali precipitation reaction on the back surface of the glass. And the surface energy difference of the back surface of the glass can be eliminated, so that the whole surface energy becomes more uniform. The protective glass is good in optical transparency, clear in imaging, high in glossiness, low in Ra roughness and high in Rsm roughness, the problem of poor watermarks of a whole machine can be solved, and the protective glass can be adopted for improvement as long as soda-lime glass is used in other industries.

The application discloses a large-view-field object-side telecentric projection imaging method and a lens for a vehicle lamp. Incident light rays are converged through two large-aperture meniscus lens; the converged light rays are reduced in size and aberration through a double cemented lens group composed of a first negative double-concave lens and a first positive double-convex lens; the light rays are further converged through a second negative meniscus lens, so that the light rays all enter a diaphragm; chromatic aberration is corrected through three cemented lenses, and aberration is further reduced, and a spherical aberration can be corrected since the aperture diaphragm is located on the object side of the three cemented lenses; the light path is further converged through two double-convex lens groups, and distortion is reduced, the light rays enter a TIR total reflection prism, pass through a protective glass, and are clearly imaged on a DMD image plane. The imaging method provided by the application can realize object-side telecentric projection imaging under a large view field through the cooperation of conditional expressions and positive and negative focal lengths between the lenses, and the imaging is high in definition.

The utility model relates to the technical field of glasses hot melting gluing equipment, and discloses a hot melting gluing machine for producing protective glasses, which comprises a base, the top of the base is fixedly connected with a hot melting mechanism, and the middle of the top of the base is fixedly connected with a clamping mechanism; the clamping mechanism comprises an operation assembly and a clamping assembly, and the clamping assembly is arranged on the surface of the operation assembly; and the operation assembly comprises a supporting table, the supporting table is fixedly connected to the middle of the top of the base, rotating rods are rotationally connected to the interiors of the two ends of the supporting table correspondingly, connecting rods are fixedly connected to the surfaces of the rotating rods, and connecting strips are rotationally connected to one ends of the connecting rods. According to the hot-melting gluing machine for producing the protective glasses, through the arranged clamping mechanism, the T-shaped block is driven to move in the supporting table, then the clamping base is driven to conduct clamping and clamping fixing operation on the glasses, and in the hot-melting gluing process of the glasses, the stability of the glasses during hot-melting gluing is conveniently kept.

In this method for manufacturing a stator (11), a protective jig (40) for protecting a protective glass (31b) provided to a laser head (31) is attached to a laser-welding device (20) for joining the ends (12a) of a segment coil (12) to each other. The protective jig (40) is provided with: a first partition part (43b) having a first long hole (46a); and a second partition part (47b) having a second long hole (47a). A protective space (S) is formed between the protective glass (31b) and the first partition part (43b). An air passage (R) is formed between the first partition part (43b) and the second partition part (47b). The protective jig (40) is provided with a nozzle (51) that generates an airflow in the air passage (R).

The invention discloses a low-distortion large-magnification all-plastic low-cost eyepiece, and relates to the technical field of lenses, the eyepiece comprises an eyepiece body, the eyepiece body is internally provided with an optical system, the optical system is composed of a diaphragm STO, a first lens, a second lens, a third lens, protective glass and a screen, the first lens, the second lens, the third lens and the protective glass are all made of resin materials, the diaphragm STO is located at the exit pupil position of the eyepiece, the aperture diameter is 3 mm, and the diaphragm STO is used for controlling the clear aperture and the light beam emission angle. The low-distortion large-magnification all-plastic low-cost eyepiece disclosed by the invention has the technical effects of more compact overall design, lighter weight and lower production cost.

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 relates to a continuous zooming large objective lens system for double depth-of-field fusion. The system is sequentially provided with a large objective lens system, a beam splitting system, a zoom system and an imaging system along a light path, wherein the large objective lens system comprises protective glass, a movable negative lens group (single lens) and a fixed positive lens group (double bonding lens). Continuous zooming is achieved by moving the negative lens group along the optical axis, the focal length range is 240-445 mm, the working distance is adjustable (135-350 mm), and the operation surface observation range is 40-100 mm. According to the system, an apochromatic technology is adopted, H-K9L and H-ZF6 optical glass with abnormal dispersion coefficients is selected, and the MTF value is larger than or equal to 0.5 at 35l p / mm under high magnification and is close to the diffraction limit. The invention has the innovation points that the structure (a single lens and a double bonding lens) is simplified, the mechanical compensation zoom design and a large exit pupil diameter (phi 60-71mm) matching beam splitting system are adopted, and the problems of unsmooth zoom curve, complex process and insufficient exit pupil matching in the prior art are solved.

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 utility model discloses a solar photovoltaic aluminum frame protection structure which comprises an aluminum frame body, first protection glass is installed on one side of the aluminum frame body through a first positioning mechanism, and second protection glass is installed on one side of the aluminum frame body through a second positioning mechanism. And a first mounting block is fixedly mounted on one side of the second protective glass, and a limiting groove is formed in the top of the first mounting block. First protective glass can be positioned by inserting a first positioning block into the inner wall of a first positioning groove, second protective glass can be positioned by inserting a second positioning block into the inner wall of a second positioning groove, and a limiting plate is driven to descend by rotating a threaded rod, so that the limiting plate is inserted into the inner wall of a limiting groove; the first mounting block and the second mounting block can be mounted in a limited mode, then the first protective glass and the second protective glass are mounted in a limited mode, and the solar panel can be protected through the first protective glass and the second protective glass.

The utility model relates to an automobile touch reading lamp and an automobile, the automobile touch reading lamp comprises a shell, a controller, a touch screen feedback module and a lamp assembly, the shell is respectively provided with a first through hole and a second through hole; the controller is arranged in the shell; the touch screen feedback module comprises a capacitive screen and a tactile feedback module which are respectively arranged in the shell, the touch surface of the capacitive screen is connected with protective glass, the other surface of the capacitive screen is connected with the tactile feedback module, and the capacitive screen and the tactile feedback module are respectively connected with the controller; the lamp assembly comprises a lamp panel, the lamp panel is arranged in the shell and connected with the controller, lamp beads of the lamp panel are covered with a lampshade extending to the second through hole, and a lamp cover embedded into the second through hole is arranged on the lampshade in a buckled mode. According to the automobile touch reading lamp, the capacitive screen and the tactile feedback module are arranged to perfectly replace a traditional mechanical switch, when a user operates the reading lamp, the reading lamp can be turned on only by lightly touching the position of the capacitive screen, vibration can be fed back to the user, the structure is simple, operation is convenient, and interaction experience is good.

1. The name of this design product: protective glasses. 2. Purpose of this design product: This design product is used to protect the eyes in special visual working environments. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The anti-flash structure of the laser cutting machine comprises a protective cover and a working table, the working table is sleeved with the protective cover, a plurality of vent holes are formed in the upper portion of the protective cover, a second box door is hinged to one side of the protective cover, a glass window is embedded in the second box door, and the protective cover is arranged on the working table. The laser cutting machine comprises a workbench, a first mounting base is fixedly mounted on the workbench, a second mounting base is fixedly mounted on the side, away from the first mounting base, of the workbench, a laser cutting machine body is slidably mounted on the first mounting base, and supporting legs are welded to the four corners of the bottom face of the workbench; according to the laser cutting machine, the protective cover is matched with the glass window, so that laser beams generated by the laser cutting machine in the cutting process are prevented from being diverged due to shielding of the protective cover, the safety of the surrounding environment and workers is protected, meanwhile, the cutting condition is observed in combination with the glass window, and the glass window is set to be laser protective glass; and the damage of laser to eyes is reduced.

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.

A prescription lens insert and methods of use are described, in which flexing a frame of a prescription lens insert, such that left and right rims of the frame are displaced mediolaterally, aligns respective larger ends of two keyhole apertures of the frame with left and right mushroom-shaped connector pegs protruding rearward from a pair of protective glasses. The prescription lens insert is then placed over the left and right connector pegs, such that distal heads of the connector pegs pass through the two keyhole apertures of the frame and the keyhole apertures are disposed adjacent shaft portions of the connector pegs. The frame of the prescription lens insert is then unflexed to align respective smaller ends of the two keyhole apertures with the left and right connector pegs, such that the distal heads prevent removal of the unflexed frame.

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.

A lighting device (ED) comprises at least: - a housing (BB1) including a rear wall (PRB) and two first side walls (PLB1-PLB2) extending forward from the rear wall (PRB) and defining with the latter a first cavity (CB) housing a light guide (GL1) delivering photons onto a front face (FV1), and - a protective glass (GP1) coupled to the housing (BB1) and including a front wall (PVG) oriented towards the front face (FV1) through which the delivered photons exit, and second side walls (PLG1-PLG2) extending backward from the front wall (PVG) and defining with the latter a second cavity (CG) housing at least the first side walls (PLB1-PLB2), after they have been respectively fitted with tension by the second side walls (PLG1-PLG2) and interposed glue. Figure 3

The utility model discloses a kind of high-precision visual inspection devices for spot-checking drinking water bottle, including assembly table, support assembly is provided on the assembly table, support section bar is provided at the one side of support assembly, moving track is provided at the top of support section bar, moving plate is provided on moving track, CCD assembly is provided on moving plate and has locking handle, the CCD assembly is set above support section bar;The center position of support assembly is provided with through-hole on the assembly table, protective glass is provided in the through-hole, auxiliary light source is provided at the bottom of protective glass.The utility model solves the problems of fixed position of visual acquisition component, poor lighting conditions, inconvenient operation and poor stability of existing drinking water bottle detection device.

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.