241 results about "Light pipe" patented technology

An eyewear display device implements a curved lightguide to form an intermediate image between an incoupler and an outcoupler. The curved lightguide produces an approximately 20-degree diagonal field of view (FOV) full-color display having approximately 10% red, blue, green efficiency with uniform color and luminance for a micro-display at a temple of an eyewear display device. The curved lightguide incorporates freeform mirror incouplers and / or outcouplers and color-corrected relay optics. Using an intermediate image stage in the optical pathway allows for use of a compact incoupler that does not exceed a thickness of the curved lightguide.

The invention discloses a gas turbine flame detector installation device and a light path determination method and system, and relates to the technical field of gas turbine safety monitoring and combustion diagnosis. The mounting device is connected with a combustion pressure cylinder and a flame tube through a displacement compensation assembly with a floating sealing structure, and can automatically absorb the thermal expansion difference between the combustion pressure cylinder and the flame tube and limit vibration disengagement so as to provide long-term stable support for a light guide tube; the invention relates to a light path determination method, which comprises the following steps: analyzing a combustion grading strategy, simulating and positioning a radiation core, primarily selecting a light path by taking a maximum coverage area as a criterion, carrying out dynamic space interference check, and finally outputting an accurate mounting position coordinate. The light path design method solves the dual technical problems that an experience-dependent light path design method is not accurate in the arrangement of the flame detector of the heavy-duty gas turbine, and the installation structure is damaged or the light path deviates easily due to thermal deformation.

The utility model belongs to the technical field of pipeline repair, and particularly relates to a natural light irradiation curing device for trenchless pipeline repair, which comprises a light guide pipe, a light condensing pipe fixedly mounted at one end of the light guide pipe, a first light beam connector fixedly mounted at one end of the light condensing pipe, and an optical cable winch arranged on one side of the first light beam connector. A motor is fixedly installed on one side of the optical cable winch, a winding roller is arranged on the inner side of the optical cable winch, an optical cable is arranged on the winding roller, a tractor is arranged on one side of the optical cable winch, a second light beam connector is fixedly installed on the top of the tractor, and a second convex lens is arranged at one end of the second light beam connector. The fixed rod, the movable rod, the movable groove, the compression spring, the inner rod, the supporting base and the supporting pulley are arranged and used in cooperation, the supporting base and the supporting pulley can support the top of a pipeline by adjusting the movable inner rod in a lifting mode, the stability of a tractor in the moving process is conveniently improved, and the interior of the pipeline can be better repaired conveniently.

The invention relates to the technical field of automatic driving vehicle cameras, in particular to internal reference calibration and triangulation equipment which comprises a rack, a display screen is installed on one side of the surface of the rack, and the display screen is used for display work of the whole equipment; a calibration rotating mechanism is arranged on the surface of the rack, a fish eye light box mechanism is arranged above the calibration rotating mechanism, a Chart plate light box mechanism is arranged on one side of the rack, and a light pipe mechanism is further connected to the surface of the rack. By arranging the Chart plate light box mechanism, the fish eye light box mechanism and the light pipe mechanism, three kinds of environment tests are integrated on one device, detection work of products at different angles is achieved, the use range of the device is expanded, the three-angle testing function is achieved through one device, time and labor are saved, and the product testing cost is saved; and meanwhile, the calibration rotating mechanism is arranged, so that automatic positioning and clamping work of the product is achieved, and adjustment work at different angles is achieved.

According to the high-gain back scattering detector and the observation system provided by the invention, the detector can be adaptively integrated with the immersed objective lens, and the combination scheme can realize the remarkable advantage of no loss of the working distance. According to the detector provided by the invention, the light path conduction structure is optimized, and the detector is cooperatively matched with the immersed objective lens, so that the advantage of high-resolution imaging of the immersed objective lens is reserved, the efficient capturing capability of the detector on backscattered electrons is maintained, and sufficient working distance can still be ensured in a high-precision observation scene. The flexible optical fiber is adopted to complete optical signal transmission in the sample bin, the length and the overall size of the light guide pipe can be effectively reduced, and the situation that a large-size light guide pipe of a conventional scintillator type back scattering electron detector occupies too much space in the sample bin is avoided. In addition, the detector realizes four-channel independent imaging of the scintillator type back scattering electron detector through a customized four-channel light guide pipe by connecting an independent optical fiber and a PMT.

An assembly includes a collimator having one end associated with a light source, a pillow lens associated with the collimator, and at least one surface that is non-coplanar with the pillow lens. The assembly further includes at least one light pipe, wherein a first portion of light is directed through the pillow lens and a second portion of light exits the pillow lens and is directed by the at least one surface into the at least one light pipe.

The invention relates to the technical field of high-precision optical detection, and discloses a collimator airflow disturbance suppression method and system based on mirror surface temperature difference feedback, and the method comprises the steps: continuously obtaining the mirror surface temperature data of a plurality of discrete regions on the mirror surface of a reflector of a collimator and the air temperature data of a corresponding air layer above the mirror surface; the two kinds of temperature data are compared in real time, and a temperature difference field reflecting temperature difference space distribution between the mirror surface and the air layer is generated; adjusting the mirror surface temperature of the corresponding area according to the temperature difference field; and iteratively executing the steps until the temperature difference field reaches a preset convergence condition so as to suppress the airflow disturbance of the thermal boundary layer. According to the application, the problem of inhibiting dynamic airflow disturbance which is difficult to directly measure is converted into the control problem of carrying out closed-loop control on the temperature difference of the mirror surface microcell which can be accurately measured, and finally, a balance state in which the temperature difference between the mirror surface and air is almost zero is achieved and maintained, so that the generation of disturbance airflow is inhibited.

The utility model discloses an air cannon assembly device which comprises an outer shell, an air cannon assembly and an air cannon assembly. The ejection structure assembly is arranged in the shell; the iris valve assembly is arranged in the shell and located on one side of the ejection structure assembly; the inner container film is arranged between the ejection structure assembly and the iris valve assembly; the smoke generating assembly is arranged in the shell; and the light tube assembly is mounted on the shell. Smoke is in a closed state when being formed through closing of the push plate, the rotating plate, the inner container film and the curled edge, so that the cigarette making device is in a relatively sealed state in the cigarette making process, and the effects of no smoke leakage, no waste, no pollution and no influence on the environment of players can be achieved.

The invention provides a waste gas treatment device for environmental engineering. The waste gas treatment device structurally comprises a gas suction pipe, a filter box, a guide pipe, an activated carbon box, a communication block and a discharge pipe fitting, and the gas suction pipe is embedded into the top edge of the filter box; after the exhaust pipe fitting is further improved, the auxiliary base is installed in a communication block area through the connecting piece, a light pipe of an anti-pollution structure is arranged at the upper end of the pipe body, the light block covers the top of the pipe body when the device purifies waste gas, space waste gas is prevented from invading from the top of the pipe body, and finally the purified gas is exhausted through the pipe body. The exhausted gas can eject the light pipe and the light block out of the upper end of the pipe body through self impact force, the filter grid is exposed in the space, the purified gas can be stably exhausted, and after the gas is exhausted, the light pipe and the light block can fall again through centrifugal force to cover the top of the pipe body again. And therefore, the through cavity area can be prevented from being polluted by space impurities.

The light guide (110) includes a body (120) having a substantially plane exit surface (112) and an entrance surface (122) configured to capture an incident light flux (F106) emitted by a light-emitting diode (106). The entrance surface (122) includes a central face (124) astride a median plane (M120) and, on each side of the median plane (M120), a first lateral face (131) and a second lateral face (132), so that the incident light flux (F106) is divided into three distinct light fluxes. The body (120) further includes external reflecting faces, each configured to reflect light fluxes associated with each lateral face toward the exit surface (112).

The utility model provides a lens inspection device based on a transmission-type collimation imaging measurement method, which relates to the technical field of optical machine assembly, is matched with a collimator, a lens, an electron microscope and an industrial personal computer for use, and comprises a rotary table, a lifting table, a translation table, an angular table, a quick mounting plate and a lens clamp, the lens inspection device comprises a rotary table, a lifting table is fixedly connected above the rotary table, a translation table is fixedly connected above the lifting table, an angular table is fixedly mounted above the translation table, a lens clamp is fixedly mounted above the angular table, and the lens inspection device accurately detects aberration and definition of a lens by adjusting positions and angles of the rotary table, the lifting table, the translation table and the angular table. The problem that the detected lens cannot be accurately coaxial with the collimator and the electron microscope is solved, and high dynamic and wide range of lens detection is realized.

The application discloses a wide-angle and long-focus module compatible test structure and test equipment, and relates to the technical field of camera module testing. The wide-angle and long-focus module compatible test structure comprises a support seat, a position adjusting table, two first parallel light pipe assemblies and two rotating tables, the two first parallel light pipe assemblies are connected with the two rotating tables respectively, the rotating centers of the two rotating tables are coaxially arranged, the two rotating tables are connected with the support seat through connecting pieces, and a to-be-tested camera module is arranged on the position adjusting table and opposite to the first parallel light pipe assemblies. The test device comprises the wide-angle and long-focus module compatible test structure. The application can reach the test difficulty degree of 9 parallel light pipe assemblies or 5 parallel light pipe assemblies in the prior art, can test the field of view angles at different positions, has high test precision and is convenient to debug, and has lower cost than the prior art. The application can test the to-be-tested camera module with a field of view angle of 0-210 degrees, and has wide application range.

A light pipe may comprise an elliptical body with a front face and a rear face. The front face may include an exit ring that is to be uniformly illuminated, and the rear face may include a plurality of light channels to receive light from respective light emitting diodes. The light channels may propagate received light at least partially circumferentially or elliptically around the body, and may reflect light toward an annular surface at an outer circumference of the rear face. Then, the annular surface may reflect light toward the exit ring, thereby generating uniform illumination while minimizing size, cost, and energy consumption. Further, the light pipe may be incorporated into a light pipe assembly including a button, a reflector, and a printed circuit board assembly, in which portions of the assembly may further facilitate propagation of light within the light pipe.

The utility model relates to the technical field of medical electronic soft endoscopes, and discloses a light guide tube rotary baking device which comprises a supporting assembly, an angle adjusting assembly is installed at the upper end of the supporting assembly, a rolling assembly is installed at the upper end of the angle adjusting assembly, and a plurality of cylinders are arranged at the upper end of the rolling assembly. Clamping rings are fixedly connected to the outer walls of the multiple sets of cylinders correspondingly, electric push rods for adjusting the angles of the cylinders are arranged in the angle adjusting assemblies, motors for rolling the cylinders are arranged in the rolling assemblies, hoses are placed in the cylinders capable of being opened and closed, and the cylinders are placed above the rolling assemblies and the angle adjusting assemblies; the rolling assembly is driven by a motor, and the angle adjusting assembly is driven by an electric push rod, so that the rolling and angle adjusting effects on the cylinder are achieved, the problems of non-uniform glue layer, poor sealing and non-uniform thickness caused by glue flowing generated by static placement of the hose are solved in cooperation with the oven, and the production operation efficiency and the material loss are improved.

A testing device for the maximum tracking angular velocity of a photoelectric system comprises a two-degree-of-freedom rotary table, an integrated light pipe assembly, a portal frame and a clock synchronization unit, the integrated light pipe assembly is installed on one side of an azimuth axis of the two-degree-of-freedom rotary table, and the integrated light pipe assembly comprises a collimator and a diaphragm; the portal frame is composed of two stand columns and a cross beam, the stand columns are located outside the two-degree-of-freedom rotary table, the cross beam is located above the two-degree-of-freedom rotary table, and a mounting plate is arranged below the cross beam. Before testing, the tested photoelectric system is mounted on a mounting plate of the portal frame, so that the center of the tested photoelectric system is longitudinally aligned with the rotating axis of the two-degree-of-freedom turntable, and the critical angular velocity corresponding to the timestamp obtained by the clock synchronization unit is recorded during testing. According to the device and the method, the adaptability problem of the two-degree-of-freedom turntable for testing a large-size and heavy-weight photoelectric system is solved, and the reading accuracy problem of the angular velocity of the two-degree-of-freedom turntable at the moment of tracking loss is solved.

An apparatus and a method for detecting a mounting state of a light pipe in a terminal are disclosed. The detection apparatus includes a fixture, a detection light source, and a light detection module. A light inlet path is formed inside the fixture, an opening that is of the light inlet path and that is exposed to the fixture is opposite to a mounting position of the light pipe, and the detection light source is disposed above the fixture. The light detection module is configured to determine the mounting state of the light pipe based on a luminous flux value of detection light. In cases in which the light pipe is properly mounted, the mounting position is deviated, the light pipe is not mounted, or the like, the luminous flux value of the detection light that is transmitted to the light detection module through the light inlet path varies accordingly.

The utility model relates to an adjusting device of gas concentration detection equipment and the gas concentration detection equipment, the gas concentration detection equipment comprises a light pipe and reflectors arranged at the two ends of the light pipe, the light pipe is used for introducing gas and laser, the face, right facing the light pipe, of each reflector inclines by a preset angle relative to the axis of the light pipe, and the adjusting device comprises an adjusting disc and a magnetic sleeve; wherein the magnetic sleeve is sleeved on the light pipe, adsorbs the adjusting disc to press the reflector on the end face of the light pipe, and allows the adjusting disc to drive the reflector to move relative to the light pipe. According to the adjusting device of the gas concentration detection equipment, in the process that the reflector is driven to rotate relative to the light tube, the emitting direction and the reflecting direction of the laser entering the light tube are changed, a complex adjusting mechanism is not needed, and due to the fact that the end of the light tube is basically flat in the machining process and the reflector is tightly attached to the end of the light tube, the machining precision is greatly improved. Therefore, the angle of the reflector is adjusted only by rotating the adjusting disc, and the adjusting efficiency is greatly improved.

The invention provides a fault diagnosis method and system for a light guide pipe for a semiconductor, a detection device, computer equipment and a medium. First detection data and second detection data are jointly analyzed; corresponding fault diagnosis results and maintenance strategies are generated according to analysis results, so that engineers can distinguish emergency states of different faults, hidden risks such as light guide pipe pollution, mechanical looseness and cooling efficiency reduction can be found in advance, the non-planned shutdown probability caused by light guide pipe breakage and overheating failure is reduced, and the working efficiency of the engineers is improved. And excessive maintenance and blind regular maintenance can be reduced, predictive maintenance and fine management of the light guide pipe can be realized, and the reliability and availability of the detection device for long-term operation in the semiconductor equipment reaction cavity can be improved.

A laser system for generating a line beam includes a plurality of laser sources to generate a plurality of laser beams, light pipes arranged to transmit and homogenize the laser beams to transform the laser beams into homogenized laser beams, and relay optics to direct and image the homogenized laser beams from the light pipes onto a common focal plane, whereby the homogenized laser beams form a line beam that, in the common focal plane, includes images of the output ends of the light pipes stitched together along a line-axis of the line beam. Adjacent images in the common focal plane are non-overlapping while having overlapping projections onto the line-axis or onto another axis that is orthogonal to a transport direction of a workpiece through the line beam. The overlapping projections average defocusing-induced seam-effects over a larger region and thus lessen their impact on the laser irradiation process.

The utility model provides a horizontal cooling flue for high-temperature and high-dust-content flue gas capable of preventing ash deposition, which comprises a flue arranged in the horizontal direction, a heat exchange tube and an ash bucket, an open hole is arranged at the bottom of the flue, the lower part of the open hole is connected with the ash bucket, and the heat exchange tube is arranged in the flue and is axially arranged along the inner wall of the flue; heat exchange membranes are connected to two sides of the outer wall of the heat exchange tube above the high point of the peripheral line of the opening to cover the inner wall of the flue; and the heat exchange tube positioned below the high point of the periphery of the opening hole is a light tube, and a hollow wall is formed below the opening hole of the flue. Compared with the prior art, the horizontal cooling flue capable of preventing ash deposition can be suitable for horizontal flowing of various kinds of high-temperature and high-dust-content flue gas, has a heat recovery function on the high-temperature flue gas, effectively avoids deposition of smoke dust, and is efficient and energy-saving.

The invention discloses a carbon black tail gas boiler gravity self-deashing environment-friendly structure which comprises a low-temperature plate type economizer, a communicating flue and an air preheater, the communicating flue is in an inverted-U shape, the low-temperature plate type economizer and the air preheater are communicated through the inverted-U-shaped communicating flue to form a relatively independent space, and the low-temperature plate type economizer is of a plate type light pipe structure. The plate-type light pipe structure comprises a plurality of groups of heat exchange units, each heat exchange unit is a pipe panel formed by a plurality of rows of coiled pipes connected in parallel, the pipe panels are arranged in sequence, the pipe panels adopt a large-pitch design, and the pitch between the pipe panels is 100mm; the problem that the tail heating surface of the carbon black tail gas boiler is prone to dust accumulation and blockage is solved, the corrosion condition of the tail heating surface is improved, the service life of a low-temperature economizer and an air preheater is prolonged, the heat transfer efficiency of the heating surface is guaranteed, fan energy consumption is reduced, the stable operation period of the boiler is prolonged, and the blowing-out overhaul and dust removal frequency is reduced. Not only can cost reduction and benefit increase be realized, but also energy conservation and environmental protection are realized.

The utility model provides a wave-soldering preheating device and a wave-soldering device using the wave-soldering preheating device, and belongs to the technical field of electronic manufacturing equipment.The wave-soldering preheating device comprises a rack, a heating device, a first driving assembly and a second driving assembly, and the heating device, the first driving assembly and the second driving assembly are arranged on the rack; the driving assembly can drive the circuit board to move in multiple directions, an avoiding space is formed between moving tracks, the heating device comprises a fan heater, an air uniformizing plate and a heating light pipe, and the circuit board clamp is provided with a temperature detection device; the wave-soldering device comprises a soldering tin spraying device, a soldering flux spraying device and the like, the connection efficiency among the working procedures is greatly improved, and many convenience and advantages are brought to circuit board welding production.

An immersion probe (1) for the quantitative and / or qualitative analysis of a fluid (F), e.g., a liquid or a gas, using light which is guided through the fluid (F) along a light path (L), comprising a measuring head (10) suitable for immersion in the fluid, having an input light guide (14) for the light guided to the fluid (F), which input light guide can be connected to a light source, and an output light guide (15) for the light guided out of the fluid (F), which output light guide can be connected to a detector, a first and a second optical window, the mutually facing faces of which are in contact with the fluid, and at least one light deflection device (17, 18), which is arranged in the light path of the light exiting the input light guide (14) and entering the output light guide (15) and deflects the light coming from the input light guide (14) through the first optical window into the fluid and deflects the light coming from the fluid to the output light guide (15). The immersion probe is characterized in that the first and the second optical window (20, 21) are arranged with respect to each other in a wedge shape, and their surfaces (20a, 21a) pointing toward the interior of the V face the fluid (F) to be analyzed, the at least one light deflection device (17, 18) and the optical windows (20, 21) being able to move back and forth relative to each other substantially in the direction of the opening of the V.

The application discloses an injection molding method for a toy light guide pipe, which can avoid the occurrence of flow lines and bubbles in the toy light guide pipe after injection molding. The technical scheme is as follows: an injection molding method for a toy light guide pipe, which comprises a mold provided with a cavity, and the cavity is provided with a gate through which glue is injected into the cavity, and the glue injection is divided into five stages, i.e., a first glue injection stage, a second glue injection stage, a third glue injection stage, a fourth glue injection stage and a fifth glue injection stage. The glue injection speed of the first glue injection stage is the largest, the glue injection speed of the third glue injection stage is larger than that of the second glue injection stage and the fourth glue injection stage, and the glue injection speed of the fifth glue injection stage is the smallest. The glue injection pressure of the first glue injection stage is smaller than that of the second glue injection stage, and the glue injection pressure of the second glue injection stage is smaller than that of the third glue injection stage. The application belongs to the technical field of injection molding.

An apparatus for measuring the temperature of a component inside a process chamber. The apparatus can include a light pipe positioned between a lamp radiation filter window and the component, the light pipe having a first end portion with a beveled surface and having a second end portion distal from the first end portion, the beveled surface configured to redirect infrared radiation emitted from the component through the light pipe; an optical assembly configured to collimate, filter, and focus the infrared radiation from the second end portion of the light pipe; an optical detector configured to receive an output from the optical assembly and generate at least one signal representative of the infrared radiation; a temperature circuit to convert the at least one signal to a temperature value; and a controller configured to receive the temperature value and make adjustments to other process parameters of the process chamber based on the temperature value.

A console light guide device for use with a console includes an array of interconnected light pipes. The light pipe array includes a translucent surface, a shaped body substantially surrounding the output connection ports on the exterior face of the console panel, and a linear branch disposed relative to the shaped body. Side-emitting light emitting diodes (LEDs) emit light to corresponding ends of the array of light pipes. The opaque light shield defines a shaped channel and a branch channel. The array of light pipes is nested within the opaque light shield such that light from the side emitting LEDs is uniformly emitted through the translucent surface without internal scattering or leakage of light within the console. Also disclosed herein is a console, such as an ophthalmic surgical console, comprising a console light guide device.

The utility model discloses a corrugated inclined tee joint, including the main pipe, the one side of main pipe is connected with the branch pipe, the middle part of main pipe and the branch pipe and main pipe connection end are corrugated, and the interface end of main pipe and branch pipe is the light pipe, and the inner wall of interface end of main pipe and branch pipe is equipped with several lugs, main pipe, branch pipe and lug are integrally formed through injection molding process, the lug is long strip structure as a whole, and the section of lug is circular arc shape, compared with prior art, the utility model has strong compression resistance, good pressure resistance, the whole pipe wall is thin, saves production raw material, reduces manufacturing cost, in addition, the corrugated infiltration and drainage pipe can be connected with the tee joint through the connection mode of inserting, guarantees that the on -the -spot installation is more convenient, improves work efficiency.

The utility model discloses a multifunctional heat exchange copper pipe assembly which comprises an outer-layer protective sleeve, a corrugated pipe is arranged in the outer-layer protective sleeve, a capillary pipe is arranged on the outer side of the corrugated pipe, and the adopted copper pipe is a corrugated pipe formed by conducting downward spinning on the surface on the basis of a copper light pipe, and the corrugated pipe is manufactured through a corrugated pipe machine. The capillary tube is formed by multi-pass stretching of a smooth copper tube with a large outer diameter, then the corrugated tube is manufactured through a corrugated tube machine, and thermal expansion and cold contraction caused by temperature change can be effectively absorbed and compensated through elastic deformation of the corrugated tube, so that the stability of a whole heat exchange system is improved, and the service life of the whole heat exchange system is prolonged. Due to the arrangement of the capillary tubes, the heat exchange area is increased, the heat exchange efficiency is improved, and meanwhile more accurate temperature control can be achieved through the small diameter design of the capillary tubes. And due to the hollow stud shape design of the outer-layer protective sleeve, the structural strength is enhanced, connection with other parts is facilitated, and the mounting convenience of the assembly is improved.

The utility model discloses an automatic verification tool for the horizontal direction of the first measurement return of a total station, which comprises a measuring part, a positioning part, a positioning part, a positioning part, a positioning part, a positioning part and an angle measuring part, the measuring part comprises a mounting seat, a slewing mechanism, a leveling mechanism, a clamping mechanism and an angle measuring mechanism, the top surface of the slewing mechanism is flush with the top surface of the mounting seat, the slewing mechanism is used for placing the total station, and the angle measuring mechanism is used for positioning the total station; the base of the total station is driven to rotate clockwise and anticlockwise; one end of the clamping mechanism is connected with the mounting seat, and the other end of the clamping mechanism can flexibly clamp a telescope of the total station, so that the telescope and the clamping mechanism are relatively static and have a certain clearance; the leveling mechanism is located at the bottom of the mounting base and can adjust the height and the inclination angle of the mounting base. The angle measuring mechanism is coaxially mounted on the slewing mechanism and can measure the rotation true value of the total station and output data; and the error calibration part comprises an auto-collimation light pipe and an auto-collimation light pipe mounting rack.

A keypad controller includes a housing portion, which houses therein: a printed circuit board assembly (PCBA) including a plurality of light sources arranged in a single line thereon; a carrier plate arranged adjacent the PCBA, the carrier plate comprising a through opening, aligned with the light sources; a light pipe arranged adjacent the through opening; a plurality of control buttons arranged on the carrier plate on either side of the light pipe. The keypad controller also includes a faceplate having an opening corresponding to the arrangement of the control buttons and light pipe on the carrier plate, permitting access thereto, the faceplate securable to the housing portion. A light pipe, for use in an electronic control device, includes a longitudinal extension and includes a rear face and a front face opposite thereto.