75results about How to "Guaranteed collimation" patented technology

The invention discloses a display device. A filtering structure arranged between a protective cover plate and photosensitive devices is changed into filtering layers which are arranged in a laminated way, each filtering layer includes a light transmission area and a shielding area beyond the light transmission area, central positions of the light transmission areas of the different filtering layers are dislocated partially at least, orthographic projections of the light transmission areas of the different filtering layers in a display panel include an overlapped area, and the area of the overlapped area is the light transmission area of the filtering structure. The dislocation sizes of the central positions of the light transmission areas of the different filtering layers are adjusted to reduce the light transmission area of the filtering structure according to requirements, and thus, the filtering structure is not influenced by precision of manufacturing equipment, and the precision of optical fingerprint identification is improved. After that the light transmission area of the filtering structure is reduced according to requirements, a collimation effect can be ensured, and the filtering structure is prevented from being too thick and further influencing the thickness of the display device.

The invention discloses a reflection type LED (Light-Emitting Diode) high beam for a vehicle. The high beam comprises a reflector cup, an LED mounting column, a reflector cup bracket and a radiating shell; the inner surface of the reflector cup is a regular curve; the cross section of the LED mounting column is a polygon; the LED mounting column is arranged at the inner side of the regular curve and pointed to the focus of the regular curve; an LED chip is arranged on at least one surface of the LED mounting column and located in the focus of the regular curve; and the reflector cup bracket is arranged between the reflector cup and the radiating shell and used for supporting the reflector cup.

The invention discloses a seabed type static cone penetrating device and a control method thereof. The seabed type static cone penetrating device comprises a penetrating mechanism, a winding mechanism and a flexible tooth-shaped post, wherein the penetrating mechanism comprises an aligning tube and a gear transmission mechanism; the winding mechanism comprises a winch and a guide plate; the flexible tooth-shaped post comprises a steel cable and a plurality of tooth-shaped post sections which are in sliding sleeve on the steel cable and are connected in series; one end of the flexible tooth-shaped post is in winding connection with a winch; the other end of the flexible tooth-shaped post gets across a guide disc and then passes through the aligning tube; adjacent tooth-shaped post sections positioned in the aligning tube are in splicing connection; the two sides of each tooth-shaped post section are engaged with the gear transmission mechanism; the flexible tooth-shaped post has a straight state and a bent state, is convenient to operate, and is high in stability; the tooth-shaped post sections are connected in series automatically, and are not additionally connected, so that seabed static penetration under a deep-layer condition is conveniently realized; and through a dual-engagement structure that the gear transmission mechanism is engaged with the two sides of each tooth-shaped post section, collimation degree and pressure needed for penetrating are guaranteed.

The invention relates to a production method of an optical fiber preset core insert, which has the characteristics that the insertion loss of the optical fiber core insert in the production process can be detected by an instrument. The technical scheme is as follows: the production method of the optical fiber preset core insert is characterized by comprising the following steps: (a) horizontally fixing a ceramic core insert on a workbench of a core insert grinder; (b) sheathing a protective sleeve on a bare optical fiber which is not cut; (c) inserting the bare optical fiber into an optical fiber hole from the tail part of the ceramic core insert; (d) starting the core insert grinder to grind the end surface of the head part of the ceramic core insert and the end surface of the bare optical fiber; (e) conducting return loss test on a light guiding surface; (f) if the test result is disqualified, repeating the steps (d-e) until the test is qualified; and (g) if the test result is qualified, stripping the protective sleeve of the bare optical fiber, and taking the core insert out of the core insert grinder, and preserving a tail fiber with a certain length, and cutting with a cutter.

The invention provides a four-roller connection-rod vacuum electron beam wire feeder, relates to a vacuum electron beam wire feeder, and belongs to the field of the welding machinery. The invention aims to solve the problems of the existing vacuum electron beam wire feeder that wire feeding rollers and wire pressing rollers are easily worn, the distance between the wire feeding rollers and the wire pressing rollers can not be automatically adjusted according to the diameter of welding wires, etc. The main structure of the four-roller connection-rod vacuum electron beam wire feeder comprises a servo motor, two wire feeding rollers, two wire pressing rollers, a connection rod, a U-shaped groove and spring limit mechanisms, wherein, one wire feeding roller is fixed on the rotating shaft of the servo motor, the wire feeding roller rotates as the motor rotates, power is supplied for the other wire feeding roller through the connection rod; the two wire pressing rollers are fixed on a support through studs and nuts; the four rollers are coplanar; the two wire pressing rollers supply pressing forces for the wire feeding operation; and the four rollers and the connection rod jointly form the four-roller connection-rod vacuum electron beam wire feeder. The four-roller connection-rod vacuum electron beam wire feeder provided by the invention is mainly applied in the fields such as dissimilar material vacuum electron beam welding, self-forming technology, material surface cladding, efficient optimization of the performances of welding seams, defect control and the like.

The present application discloses a nozzle for a high-pressure cleaning machine, which includes a main body, the main body is formed with a hollow cavity along the axial direction, and two injection holes are opened on the main body, and the two injection holes are symmetrically distributed on the On both sides of the main body, the two injection holes communicate with the cavity, the angle between the two injection holes is 154-158°, and the opening formed by the intersection of the two injection holes faces away from the hollow space. cavity. The two injection holes of the present invention form a certain included angle, which can greatly reduce cleaning blind spots when entering deep holes for cleaning, improve product quality, and achieve ideal cleaning effects.

The invention provides a plasma etching method and a system. The etching method comprises a plurality of etching cycles, wherein each etching cycle comprises a plasma etching stage and a charge neutralization stage; partial charge is attached on the surface of a substrate and/or in an etching graph in an etching process; plasma etching is stopped in the charge neutralization stages; ions with preset conductive charge are supplied into a reaction chamber within at least partial time period in a plasma etching stop process; and the ions with the preset conductive charge are used for neutralizing the charge attached on the surface of the substrate and/or in the etching graph. An influence of a built-in electric field generated by deposited charge on plasma is eliminated by charge neutralization; the accuracy of the plasma etching is ensured; and the collimation of the etching graph is ensured.

A collimation method of a three-dimensional galvanometer comprises the following steps that two diaphragms are fixedly installed on a datum platform; a laser is installed on the datum platform and light paths emitted by the laser pass through the two diaphragms; an observation locator is installed on the datum platform, light spots of the light paths are adjusted, and the light spots are made to be located in the center of the observation locator and fixed; a beam expansion system is installed on the datum platform, the light paths are adjusted to be collimating, and the positions of the light spots on the observation locator are observed and kept unchanged; a Z-axis galvanometer installation shell is installed on the datum platform, so that the centers of a light path light inlet and a light outlet are located on the light path collimating line; and the beam expansion system is taken away, a Z-axis galvanometer is arranged in the Z-axis galvanometer installation shell, the dip angle of the Z-axis galvanometer is adjusted, the positions of the light spots on the observation locator are kept unchanged, and then the Z-axis galvanometer is fixed. The method collimates the Z-axis galvanometer installation shell and the Z-axis galvanometer, the collimation of the light path centers of the Z-axis galvanometer is ensured, and the machining precision is improved. The invention further provides a collimation system used for the collimation method of the three-dimensional galvanometer.

The invention relates to the technical field of stamping dies for automobile spare parts, in particular to a continuous stamping die for parent track material sheets of an automobile seat slide rail to solve the technical problem that when an existing continuous stamping die for parent track material sheets of an automobile seat slide rail is used for stamping, to-be-stamped strip-shaped raw materials are prone to displacing towards the lateral sides of the die. The continuous stamping die for the parent track material sheets of the automobile seat slide rail is provided with a stamping limiting mechanism located on one lateral side of the die. The stamping limiting mechanism comprises an upper cushion block, nitrogen springs, an upper press block, a guide block, a plug pin, an oblique-surface slide block, an oblique-surface insert block, a backer, reset springs, nuts and screws. The guide block is provided with a plug pin hole matched with the plug pin. By adoption of the stamping limiting mechanism, displacement of the to-be-stamped strip-shaped raw materials towards the lateral sides of the die during stamping can be prevented.

The invention discloses a high-precision three-dimensional sound field measurement system for medical ultrasonic equipment. The high-precision three-dimensional sound field measurement system comprises a hydrophone, an ultrasonic probe, a movable frame, a control module, a data acquisition device, a data processing module, a first motion driving module, a second motion driving module, an analog simulation system and a display device; the movable frame is detachably connected with a measurement tank, a three-axis motion positioning system, an ultrasonic probe fixture and a laser acquisition device fixture, the three-axis motion positioning system is detachably connected with a hydrophone fixture, the hydrophone fixture is detachably connected with a first laser, the ultrasonic probe fixtureis detachably connected with a second laser, and the laser acquisition device fixture is detachably connected with a laser acquisition device. The high-precision three-dimensional sound field measurement system effectively ensures the collimation of an acoustic axis of the ultrasonic probe and the axis alignment of the ultrasonic probe and the hydrophone, and can timely find an error of measurement data and check and correct the measurement system, thereby achieving quick and accurate measurement on the sound field of the ultrasonic equipment.

The invention relates to a photoelectric detection device. The photoelectric detection device comprises a support, a cuvette, a light source and a receiver, wherein the cuvette is fixed to in the middle of the support in a manner of threaded connection; and the light source and the receiver are fixed on the support and are positioned on both sides of the cuvette. The invention also provides a hydrazine analyzer with the photoelectric detection device structure. The cuvette in the photoelectric detection device is fixed on the support in the manner of threaded connection, so that the photoelectric detection device is easy to disassemble in structure, and the cuvette is convenient to manually clean and maintain.

According to a serial double-coil radio frequency driving gas discharge device, a serial double-coil structural design is adopted, plasma discharge can be generated through driving excitation of radio-frequency signals with the same frequency or different frequencies, the length of a discharge area is longer than that of a single-coil resonant cavity, gas discharge can be generated in a larger range, metastable state atom excitation efficiency can be improved, and the metastable state atom beam intensity can be increased; a compression ring and a positioning cover ring are used for positioning a gas conduit so that the coaxiality and the collimation of the gas conduit and a mounting flange can be effectively ensured, and atomic beam orientation is facilitated; and an electrified solenoid coil is wound outside a shielding layer by an enameled wire, a current is introduced to generate a magnetic field, electrons in the plasma do rotary motion along magnetic lines of force, a collision probability of the electrons and atoms can be further improved, and the excitation efficiency is increased. According to the invention, different kinds of gases or other samples can be filled according to requirements, and the device is used for low-voltage plasma discharge of various gases so that multiple purposes are realized.

The invention belongs to an improved turn-off neutron source, and in particular relates to a neutron tube. In the neutron tube, a ceramic insulating ring is filled between an anode cylinder and an ion source cover and another ceramic insulating ring is filled between the ion source cover and an accelerating cylinder, so an air-out space in the neutron tube is reduced, insulating strength is improved, sealing difficulty is reduced and the coaxiality of a system is effectively guaranteed. The neutron tube has the advantages of greatly reducing discharging and puncturing probabilities, guaranteeing the collimation of the neutron tube, improving the product yield, service life and stability of the neutron tube and realizing the industrialization of the machining and manufacturing of the neutron tube, wherein phi50 is taken as an example, the service life of an improved product is increased by more than 3 times, while the product yield is increased by about 5 times, the stability is not more than 3 percent and the finished product ratio is over 90%.

The invention provides a backlight module, a manufacture method thereof, and a display device, and belongs to the technical field of display. The manufacture method for the backlight module comprisesthe following steps that: forming a light getting optical grating material layer on the light emitting surface of a light guiding plate; through a nanoimprint technology, forming an imprinting adhesive graph on the light getting optical grating material layer; forming a photoresist graph which covers the imprinting adhesive graph in an area where the light getting optical grating needs to be formed; removing the imprinting adhesive graph which is not covered with the photoresist graph; and removing the photoresist graph, taking the residual imprinting adhesive graph as a mask to etch the lightgetting optical grating material layer, and forming the light getting optical grating. By use of the technical scheme of the invention, the contrast ratio of the display device can be improved.

The invention discloses an optical fiber collimating device and an assembling method thereof and especially relates to the optical fiber collimating technology field. In existing optical fiber welding operation, a ''V''-shaped groove used for fixing an optical fiber is movably connected to a movable workbench, and an installation reference surface of the ''V''-shaped groove and the movable workbench is difficult to realize accurate collimation connection. By using the device and the method of the invention, the above problems are solved. The optical fiber collimating device comprises a substrate and a substrate support bench. The substrate is made of a silicon wafer or a ceramic material. The substrate is arranged on the substrate support bench. The substrate comprises a first optical fiber carrying portion, a middle interconnection portion and a second optical fiber carrying portion. Central axes of the first optical fiber carrying portion, the middle interconnection portion and the second optical fiber carrying portion are provided with V-shaped grooves which pass through each other and have V-shaped cross sections. The substrate support bench comprises a first workbench and a second workbench. Shapes of the first workbench and the second workbench are similar and the first workbench and the second workbench are parallel to each other.

The invention discloses an optical-fiber scanning imaging system and optical-fiber scanning imaging equipment. The optical-fiber scanning imaging system includes an optical source, scanning optical-fiber, a control circuit, a collimating microlens array and an angle expanding lens group. Optical beams exiting the optical source are coupled into the scanning optical-fiber, then exits from the scanning optical-fiber, then is collimated by the collimating microlens array, then passes through the angle expanding lens group, and then exits. A technical scheme of collimating, through the collimatingmicrolens array, the optical beams exiting from the scanning optical-fiber is employed, thus collimation of the optical beams exiting from all collimating microlenses in the collimating microlens array is ensured, resolution of images formed by scanning of the optical-fiber scanning imaging system is also ensured, thus a display effect of the images formed by scanning is ensured, and cases wherethe optical beams exiting from the scanning optical-fiber becomes thicker with distance increasing, and thus the display effect of the images formed by scanning is impacted are avoided.

The invention provides a laser radar scanning system, an angle beam expanding device and application thereof. The laser radar scanning system comprises at least one light source assembly, a scanning device and at least one angle beam expanding device. The light source assembly generates at least one laser beam, wherein the scanning device reflects the laser beam at a scanning angle, and the anglebeam expanding device amplifies the scanning angle of the laser beam and projects the laser beam outwards. The angle beam expanding device comprises at least one angle expanding device and a light condensing device, wherein the angle expanding device amplifies the scanning angle of the laser beam reflected by the scanning device and maintains the collimation of the laser beam, and the angle expanding device projects the laser beam with the amplified scanning angle outwards so as to expand the detection field of view of the laser radar scanning system.

The invention discloses a projection system with a multi-luminous-spot packaging semiconductor laser alignment structure. The projection system comprises a multi-luminous-spot packaging diode used as an emitting light source, and an alignment structure arranged on a light beam emission path of the multi-luminous-spot packaging diode, wherein the alignment structure comprises a micro lens array which consists of a plurality of micro lenses I that are in array configuration on the light beam emission path of the multi-luminous-spot packaging diode, and a lens group II which is arranged on the light beam emission path of each micro lens I and can perform alignment on the light beam emitted by the multi-luminous-spot packaging diode by matching with the micro lenses I; the number of the micro lenses I is determined according to the number of the luminous spots of the multi-luminous-spot packaging diode; and the sizes and the positions of the micro lenses are determined by the distances and the light beam angles of the luminous spots, namely each micro lens is only corresponding to one luminous spot light beam. According to the projection system, the alignment for the multi-luminous-spot packaging diode light beam is realized by adding the micro lens array before the existing alignment lens group, so that a relatively good alignment effect is realized without changing the existing alignment system condition.

The invention provides a light source system which comprises a first prism, a second prism, a first laser source, a second laser source and a third laser source. A first single-color light beam emitted by the first laser source is reflected by the first prism and then combined with a second single-color light beam which is emitted by the second laser source and refracted by the first prism to form a mixed light beam, and the mixed light beam emits from the first prism. A third single-color light beam emitted by the third laser source is reflected by the second prism and then combined with the mixed light beam emitted from the first prism and refracted by the second prism to form a white light beam, and the white light beam emits from the second prism. By using laser as a light source, utilization rate of the light projected from the light source system is guaranteed.