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45results about How to "Meet miniaturization needs" patented technology

Image forming apparatus

The invention provides an imaging device, and relates to the technical field of camera equipment. The imaging device comprises a shell assembly, a camera assembly and a reflection structure, the top of the shell assembly is provided with a first window, the camera shooting assembly is arranged in the shell assembly, and a lens of the camera shooting assembly and the first window are arranged in a mutually perpendicular or relatively inclined mode; the reflection structure is arranged in the shell assembly, the reflection structure is obliquely arranged between the first window and a lens of the camera shooting assembly, and the reflection structure is used for reflecting light penetrating through the first window to the camera shooting assembly. According to the imaging device, the light passing through the first window can be reflected to the lens of the camera shooting assembly through the reflection structure, so that the camera shooting assembly can shoot and monitor a scene outside the first window, the camera shooting assembly does not need to be vertically arranged to enable the lens to face the first window, and the angle of inclination of the reflection structure is adjusted. The camera shooting assembly can be horizontally arranged in the shell assembly, so that the height of the shell assembly is effectively reduced, and the miniaturization requirement of the imaging device is met.
Owner:BEIJING JINGTIANWEI TECH DEV CO LTD

Preparation method of circuit board

PendingCN119545678Areduce thicknessMeet miniaturization needsConductive material electric discharge removalCircuit precursor manufactureMiniaturizationPhysics
The invention discloses a preparation method of a circuit board. The preparation method comprises the following steps: cleaning and drying a substrate of the circuit board; depositing and forming a metal transition layer on the surface of the circuit board substrate; depositing and forming a conductive layer on the surface of the metal transition layer; pasting a photosensitive material on the surface of the conductive layer, and performing exposure, development and cleaning treatment on the circuit board substrate by using a mask with a pattern; carrying out etching treatment on the uncovered conductive layer on the circuit board substrate by adopting ion etching so as to form a conductive circuit on the circuit board substrate; and carrying out film stripping treatment on the circuit board substrate so as to remove the residual photosensitive material on the circuit board substrate. According to the technical scheme, the conductive layer with small thickness can be obtained by changing the laying mode of the conductive layer on the circuit board, so that the circuit board meets the requirement of equipment miniaturization.
Owner:SAE TECH DELEVOPMENT DONGGUAN

Joint module for robot and robot

The invention relates to a joint module for a robot and the robot, and the joint module comprises an outer rotor motor which is provided with a hollow area; the planetary reducer is coaxially connected with the outer rotor motor, and the outer rotor motor can output power outwards through the planetary reducer; the first encoder is arranged in the hollow area of the outer rotor motor and is used for detecting output motion parameters of the outer rotor motor; the inner core shaft is arranged in the planetary reducer and the outer rotor motor and comprises a first end part connected with the planetary reducer and a second end part penetrating into the hollow area of the outer rotor motor; and the second encoder is arranged in the hollow area of the outer rotor motor and can detect output motion parameters of the planetary reducer through the inner core shaft. The joint module has the advantages of being compact in structure, small in occupied space, high in control precision, high in power output and the like.
Owner:江淮前沿技术协同创新中心

Fresh air equipment

The utility model relates to the technical field of air conditioning, and provides fresh air equipment which comprises a shell, a heat exchange core, a fresh air fan and an exhaust fan, and the heat exchange core is located in the shell and extends in the first direction; the fresh air fan is located in the shell. The fresh air fan is located in the shell, the exhaust fan is located in the shell, the fresh air fan and the exhaust fan are arranged in the second direction and located on the same side of the heat exchange core in the first direction, and the first direction is perpendicular to the second direction. The fresh air fan and the exhaust fan are both located on the same side of the heat exchange core in the first direction, the fresh air fan and the exhaust fan cannot increase the size of the shell in the first direction, and the fresh air fan, the exhaust fan and the heat exchange core are compact in structure. The fresh air fan and the exhaust fan are arranged in the second direction, the space of the shell in the second direction is fully utilized, the space of the shell in the first direction and the space of the shell in the second direction are comprehensively considered, and therefore the overall size of the fresh air equipment is reduced, and the miniaturization requirement is met.
Owner:MIDEA GRP WUHAN HEATING & VENTILATING EQUIP CO LTD +1

AR glasses

The invention discloses AR glasses, and relates to the technical field of AR glasses, and the AR glasses comprise an optical machine module, an optical lens, and an antenna. The optical lens at least comprises a first area and a second area different from the first area; light emitted by the ray machine module enters the optical lens in the first area; the projection of the antenna on the optical lens is located in the second area; the antenna comprises a metal area, a bonding pad area and a feed coaxial line. The metal area is provided with a gap formed by slotting, and the feed end of the gap is electrically connected to the bonding pad area; at least part of the feed coaxial line is located in the bonding pad area and connected with the feed end, so that the feed end connected with the feed coaxial line enters an open circuit state, namely, the feed coaxial line is directly used as a feed line of the gap, a conventional coupling mode is avoided, the miniaturization design of the bonding pad area is achieved, and the size of the antenna is reduced. Therefore, the bonding pad area, the light machine module and the camera module can be hidden in the glasses frame together, so that the miniaturization requirement of AR glasses is met.
Owner:GEER TECH CO LTD

Box blank forming device and method

PendingCN119611890AMeet miniaturization needssmall footprintPackagingCartonMiniaturization
The invention provides a box blank forming device and method, relates to the field of cigarette packaging equipment, aims to solve the problem that a box sealing machine is not facilitated to be miniaturized due to the fact that existing box blank unfolding related assemblies and box blank placing positions occupy large space, and is adaptive to the layout that box blanks are stacked on the upper portion and the box blank forming device is located on the lower portion. The shear fork assembly drives the adsorption plate to adsorb and grab box blanks from the upper box blank stacking position, unfolding forming is achieved by making the box blanks abut against the forming plate in the downward moving process, the requirement for unfolding the box blanks to form a box body in the boxing process is met, the common occupied space of the box blank forming related assembly and the box blank stacking position is reduced, the occupied area is reduced, and the production efficiency is improved. Therefore, the miniaturization requirement of the carton sealing machine is met.
Owner:ETABONG QINGDAO TOBACCO MACHINERY

High-precision autonomous navigation system based on miniaturized indexing mechanism

The invention discloses a high-precision autonomous navigation system based on a miniaturized indexing mechanism. An inertial measurement assembly is used for measuring angular velocity and acceleration information of an aircraft; in the double-shaft indexing mechanism, an inner frame shaft system adopts a 73LST sine wave to drive a permanent magnet torque motor so as to drive the inner frame shaft system to move and position, and a J75XFS absolute type rotary transformer is adopted as an angle measurement and angular position feedback element of the shaft system; the outer frame shaft system adopts a J85LST sine wave driving permanent magnet torque motor and a J75XFS absolute type rotary transformer to jointly complete the displacement and positioning of the outer frame shaft system; the locking device is arranged in the direction perpendicular to the rotation axis of the inner ring shaft system and the outer ring shaft system. The electrical control system comprises a spin lock circuit, two ends of the inner and outer frame shaft systems are respectively provided with a torque motor and a multi-stage resolver goniometer, and the torque motor and the multi-stage resolver goniometer and the spin lock circuit of the electrical control system form a closed-loop control loop; and the navigation software module is used for realizing high-precision autonomous navigation of the aircraft.
Owner:SHANGHAI AEROSPACE CONTROL TECH INST

Optical system and lidar

ActiveCN120214992BIncrease pitch angle of viewLarge tilting field of viewPrismsWave based measurement systemsPrismMicro lens array
This application provides an optical system and a lidar. The optical system includes a light source, a microlens assembly, and a microprism assembly. The microlens assembly is used to collimate the light emitted by the light source. The microprism assembly includes a light-transmitting substrate, a first microprism array, a second microprism array, and a third microprism array. The first microprism array is formed on a first surface of the light-transmitting substrate, the second microprism array is formed on a second surface of the light-transmitting substrate, and the third microprism array is formed on the first and / or second surfaces of the light-transmitting substrate. The microprisms in the first, second, and third microprism arrays correspond to the microlenses in the microlens array. The optical system is mounted horizontally on the lidar, and the elevation field of view of the lidar is increased by the external reflection of the first microprism array, the internal reflection of the second microprism array, and the refraction of the third microprism array.
Owner:SHENZHEN SHANMIAO TECHNOLOGY CO LTD

Miniaturized high-resolution high-light-transmission vehicle-mounted DMS lens

A first lens L1, a second lens L2, a third lens L3 and a fourth lens L4 are sequentially arranged from an object side to an image side along an optical axis, the abbe number of the first lens L1 is V1, the abbe number of the second lens L2 is V2, the abbe number of the third lens L3 is V3, the abbe number of the fourth lens L4 is V4, and V1, V2, V3 and V4 meet the following conditions: 2.8 < = V1-V2 < = 11.6; and 0 < = V3-V4 < = 40.8. According to the lens, optimization of optical performance and miniaturization of the lens are realized; the lens of the invention has the performance of high resolution and large light transmission.
Owner:SUZHOU LIGHTLNS OPTICAL TECH

Ice cream machine

The utility model relates to a kind of ice bar machine, comprising: vortex tube heating unit, with hot gas outlet and cold gas outlet;Cooking heating module, including pot and base, the base is equipped with hot gas stream air inlet, this hot gas stream air inlet is connected with the hot gas outlet of vortex tube heating unit, for the hot gas stream is guided into the bottom of pot to heat the food material of ice bar liquid production;Cooling module, including ice bar tray for placing ice bar mold and cold gas delivery pipeline, the cold gas delivery pipeline is connected with the cold gas outlet of vortex tube and the inside of ice bar tray, for injecting cold gas stream to ice bar tray to solidify ice bar liquid in ice bar mold. Advantage is: it is with single vortex tube unit to generate cold, hot two gas streams simultaneously, replace traditional independent compression refrigeration system and external heating equipment, independent heating furnace in prior art is saved, equipment component quantity and overall structural complexity are significantly reduced.
Owner:NINGBO FOTILE KITCHEN WARE CO LTD

Blowdown system of air purifier

The invention discloses an air purifier blowdown system, and belongs to the technical field of compressed air purification treatment.The air purifier blowdown system comprises a base, a C-shaped notch is formed in the base, a blowdown cavity is formed in the base, and the lower end of the blowdown cavity is connected with a blowdown flow channel which is obliquely arranged downwards; the blow-down valve seat is installed on the base, a blow-down channel is formed in the blow-down valve seat in the axis direction, and the blow-down cavity is communicated with the blow-down channel through a blow-down flow channel. The electromagnetic driving mechanism is arranged on the blow-down valve seat and located in the C-shaped notch of the base, the electromagnetic driving mechanism comprises a static iron core, a movable iron core and an electromagnetic coil, the static iron core, the movable iron core and the electromagnetic coil are all arranged along the axis of the blow-down valve seat, and the electromagnetic coil is arranged on the outer side of the static iron core and the outer side of the movable iron core; the movable iron core is arranged on the static iron core in an up-down moving mode.
Owner:ZHUHAI HECA PURIFICATION TECH

Electromagnetic relay

The invention discloses an electromagnetic relay, and relates to the technical field of relays, the electromagnetic relay comprises a shell, a pushing member and a moving terminal group, the pushing member is slidably mounted on the shell, the moving terminal group comprises two moving terminals, and the two moving terminals are mounted on the pushing member and are arranged at intervals along the sliding direction of the pushing member; the parts, extending out of the pushing part, of the moving terminals are the outward extending parts, the pushing part is provided with the insulating part, and the insulating part is located between the outward extending parts of the two moving terminals, so that the insulating distance between the moving terminals can be increased, and the insulating performance can be improved.
Owner:HUIZHOU QUNCHUANG ELECTRONICS CO LTD +1

Conveying module and conveying line

The embodiment of the utility model provides a conveying module and a conveying line. The requirement for miniaturization of the conveying module and the conveying line is met. The conveying module comprises a base; the stator and the at least one guide rail are arranged on the base, the stator is located on one side of the guide rail in the width direction, the guide rail and the stator extend in the conveying direction, the stator comprises a stator body, a coil plate and a sensor array, and the coil plate and the sensor array are arranged on the stator body. The thickness direction of the coil plate is parallel to the width direction of the guide rail, and the sensor array is arranged on the adjacent side or the opposite side of the coil plate; the rotor comprises a rotor body, a permanent magnet array and a sensing component, the permanent magnet array and the sensing component are arranged on the rotor body, the permanent magnet array is magnetically coupled with the coil plate, and the sensing component and the sensor array are configured to obtain the position of the rotor on the stator; and the bearing part is connected with the rotor body and is arranged on the guide rail in a sliding manner.
Owner:SHANGHAI GOLYTEC AUTOMATION CO LTD

Semiconductor device processing equipment, control method and storage medium

The invention provides processing equipment of a semiconductor device, a control method of the processing equipment and a storage medium. The processing equipment of the semiconductor device comprises a process chamber used for carrying out a processing process on the semiconductor device; the rotating mechanism is used for rotating at least one piece to be rotated in the machining equipment, the rotating mechanism comprises a motor and a transmission belt, one end of the transmission belt is connected with a rotating shaft of the motor through a bearing, and the other end of the transmission belt is connected with the piece to be rotated; the pressure sensor is used for collecting pressure borne by the bearing; the controller is configured to obtain the pressure borne by the bearing through the pressure sensor; and starting and stopping of the machining process are controlled according to the pressure borne by the bearing.
Owner:PIOTECH (SHENYANG) SEMICONDUCTOR EQUIPMENT CO LTD

A cold beverage evaporator and a cold beverage device

ActiveCN224381822Usave spaceMeet miniaturization needsDomestic cooling apparatusIce production
This utility model discloses a cold drink evaporator and a cold drink device. The cold drink evaporator includes an evaporating cylinder, a return gas pipe, and a connecting pipe connected to the evaporating cylinder. The evaporating cylinder has an evaporation chamber. The connecting pipe is connected to an external condenser or throttling device. The spray section of the connecting pipe is connected to the evaporation chamber. The return gas pipe is connected to an external compressor. The return gas section of the return gas pipe is connected to the evaporation chamber. The spray section and the return gas section are connected to form a pipe body. All or part of the spray section is located on the side of the return gas section or inside the return gas section. The cold drink device includes the cold drink evaporator described above. Using this utility model can save space, reduce size, meet the miniaturization needs of household appliances, and reduce the risk of evaporator leakage.
Owner:ZHONGSHAN DONLIM WEILI ELECTRICAL APPLIANCES CO LTD

A compact multistage LC filter

The utility model relates to filter technical field, specifically disclose a compact multistage LC filter, the filter includes rectangle insulating substrate, its four corner position is equipped with mounting hole, the filter shell is fixedly installed above the insulating substrate, the both ends of filter shell are equipped with input and output port, in the filter shell, the insulating substrate top is equipped with at least two stages filter unit, and each stage filter unit contains spiral inductance and interdigital capacitance, and they are connected through microstrip line between the filter unit of adjacent stage alternately cascaded. Two insulating shield baffles are arranged between the adjacent filter units, which are connected with the insulating substrate and the filter shell, and the shielding layer formed between the insulating shield baffles is connected with the bottom ground plane through the metallized via on the insulating substrate. The filter realizes compact volume, excellent filtering performance and anti-interference ability through three-dimensional inductance, shielding structure and optimized layout.
Owner:LIAONING UNIVERSITY

Water outlet valve

The utility model relates to the technical field of valves, and discloses a water outlet valve. The water outlet valve comprises a valve body and a one-way valve, wherein the valve body comprises a main valve part and a side valve part; the main valve part is provided with a three-way valve cavity, a heating connector, a first communicating channel and a bypass cavity, the three-way valve cavity comprises a first cavity, a main valve cavity and a second cavity which are sequentially communicated, the main valve cavity is selectively communicated with the first cavity or the second cavity, and the heating connector is communicated with the first cavity through the first communicating channel; the first end of the bypass cavity is communicated with the first cavity through a first communication channel, and the second end of the bypass cavity is communicated with the second cavity; the side valve part is connected to the side, in the third direction, of the main valve part, and a first flow channel communicating with the second cavity is formed in the side valve part; the one-way valve is installed in the bypass cavity, and the included angle between the axis direction of the one-way valve and the flow direction of fluid flowing into the second cavity from the outlet side of the one-way valve is larger than 90 degrees. The size of the water outlet valve in the height direction is small, the full-open flow loss of the one-way valve can be reduced, and the water supplementing efficiency is improved.
Owner:ZHEJIANG HUAYI PRECISION MACHINERY CO LTD

An antenna, a circuit board and a wireless network card

ActiveCN224400664UMeet miniaturization needsprovide connectivity
The utility model relates to an antenna technical field, concretely relates to an antenna, circuit board and wireless network card. The antenna includes ground wire, radiation wire, connecting wire and gain wire, the ground wire includes ground main body, first ground arm and second ground arm, and the radiation wire includes radiation main body, first radiation arm and second radiation arm. The ground main body and radiation main body are oppositely arranged, the first ground arm and the second ground arm are connected at both ends of the ground main body respectively, and all extend to the side away from the radiation main body, the first radiation arm and the second radiation arm are connected at both ends of the radiation main body respectively, and all extend to the side away from the ground main body, the gain wire is located at the side of the radiation wire away from the ground wire, one end of the connecting wire passes through between the first radiation arm and the second radiation arm and is connected with the radiation main body, and the other end is connected with the gain wire. The length L of the antenna is 104±1mm, and the width W is 8.5±0.5mm.
Owner:SHENZHEN GREEN CONNECTION TECH CO LTD

Optical lens, camera module and electronic device

This application discloses an optical lens, a camera module, and an electronic device that can meet the requirements of miniaturization and high imaging quality, and can stably image under complex lighting conditions. The optical lens has six refractive lenses, which are arranged sequentially from the object side to the image side along the optical axis: the first lens has negative refractive power, and its object side is concave near the optical axis, and its image side is concave near the optical axis; the second lens has positive refractive power, and its object side is convex near the optical axis, and its image side is convex near the optical axis; the third lens has positive refractive power, and its object side is convex near the optical axis; the fourth lens has positive refractive power, and its object side is convex near the optical axis, and its image side is convex near the optical axis; the fifth lens has negative refractive power, and its object side is concave near the optical axis; the sixth lens has negative refractive power, and its image side is concave near the optical axis; the optical lens satisfies the following relationship: 30°≤FOV≤40°, 1≤CT4 / CT5≤1.4.
Owner:JIANGXI JINGCHAO OPTICAL CO LTD

Silicon optical chip, external cavity laser and method for inhibiting micro-ring nonlinear effect

PendingCN121978797AImplement bias controlEliminate free carriersLaser optical resonator constructionLaser detailsExternal cavity laserElectrical connection
The invention relates to the technical field of optical communication, in particular to a silicon optical chip, an external cavity laser and a method for restraining a micro-ring nonlinear effect. The P-doped region and the N-doped region at the two sides of the micro-ring resonant waveguide are respectively connected with the ground and an input voltage through an electrical connection module, so that a transverse electric field is formed in the micro-ring resonant waveguide, and free carriers generated after light passes through the micro-ring resonant waveguide are removed through the transverse electric field; and on the other hand, the P-doped region and the N-doped region are respectively connected with an external input voltage and the ground through the electrical connection module, so that bias voltage control on the two sides of the micro-ring resonant waveguide can be realized on the basis of not increasing redundant pins, free carriers generated in the micro-ring resonant cavity are eliminated, and the reliability of the micro-ring resonant cavity is improved. Therefore, the nonlinear effect of the micro-ring resonant cavity is effectively suppressed, and the micro-ring resonant cavity has the advantages of being simple in structure and meeting the miniaturization requirement.
Owner:ACCELINK TECHNOLOGIES CO LTD

Optical system based on OLEDoS display chip

ActiveCN119472149AMeet miniaturization needsReduce throughProjectorsOptical elementsImage resolutionEngineering
The invention provides an optical system based on an OLEDoS display chip, and the system comprises a plurality of lenses which comprise a fourth lens to a first lens which are sequentially arranged from the image source side to the human eye observation side of the optical system, and each lens is provided with a first side surface facing the human eye observation side and a second side surface facing the image source side; the polarization control assembly comprises a first composite membrane and a second composite membrane, the first composite membrane is arranged on the first lens or the second lens, the second composite membrane is arranged on the first side face of the third lens, and the polarization control assembly is used for controlling the polarization direction of light; the light splitting film is arranged on the second side face of the second lens, and the light splitting film is used for transmitting at least one part of the light rays and reflecting at least the other part of the light rays; and the display assembly comprises an OLEDoS display screen. According to the invention, the problem that high resolution and low ghost image of an optical system based on an OLEDoS display chip in the prior art are difficult to consider at the same time is solved.
Owner:NINGBO SUNNY OPOTECH CO LTD

Wire arrangement structure used in joint motor module

The utility model relates to a wire arrangement structure used in a joint motor module, comprising a motor assembly, a controller assembly and a harmonic reducer, the motor assembly comprises a housing, a stator assembly and a rotor assembly, the controller assembly comprises a controller buckle cover and a circuit board A, the controller buckle cover is fixed with one end of the housing, and the circuit board A is fixed with the other end of the housing. A mounting cavity is formed between the controller buckling cover and the shell, the circuit board A is fixed in the mounting cavity, a wiring terminal is arranged on the circuit board A, a wire passing hole is further formed in the position, corresponding to the wiring terminal, of the controller buckling cover, a power supply and signal wire harness is connected with the wiring terminal through the wire passing hole, and a wiring cover is further fixed to the wire passing hole. The wiring cover seals the wire passing hole, dust and liquid are prevented from invading the mounting cavity, the wiring cover simplifies the connection process of the power supply and the signal wire harness, and the assembly complexity is reduced.
Owner:ZHEJIANG FANGDE ROBOT JOINT TECH CO LTD

Small night lamp

The utility model discloses a small night lamp, which comprises a fixed seat, a light source module, a light source module and a light source module, the fixed seat comprises a groove formed downwards and at least one through groove communicated with the groove up and down, and the through groove upwards penetrates through the bottom wall of the groove; the light source assembly is fixed to the fixing base, the light source assembly comprises a substrate and at least one lamp bead fixed to the substrate, the substrate is contained in the containing cavity of the fixing base, and the lamp beads are upwards exposed out of the through groove; the projection assembly is located above the groove, and a gap is formed between the projection assembly and the lamp bead in the vertical direction; and the motor assembly is fixed on the fixing seat, comprises a motor shaft or a gear exposed out of the through hole, and directly drives the fixing frame for installing the screen sheet, so that the process of additionally installing the rotating seat is reduced, the cost is reduced, the height of the product is reduced, and the miniaturization requirement of the product is met.
Owner:GUANGDONG TIME LIFE TECH CO LTD

A small close-range recognition lens

ActiveCN112130296BMeet miniaturization needsOptical elementsOphthalmologyImaging quality
The present invention provides a small close-range recognition lens, which has the advantages of small size, easy processing, good imaging quality, etc., and has good resolution in close range. The small close-range recognition lens comprises an aperture stop (ST), a first lens (L1), a second lens (L2), a third lens (L3), a fourth lens (L4) and a chip protection glass (CG) in sequence from an object plane to an image plane; the first lens (L1) is a positive lens, and its object side surface and image side surface are both convex; the second lens (L2) is a negative lens, and its object side surface and image side surface are both concave; the third lens (L3) is a positive lens, and its object side surface is concave and its image side surface is convex; the fourth lens (L4) is a negative lens, and its object side surface and image side surface are both concave.
Owner:ZHONGSHAN ZHONGYING OPTICAL

Graphene-based circularly polarized ingestible antenna for capsule endoscopy device

The present invention discloses a graphene-based circularly polarized ingestible antenna for a capsule endoscope device. The materials of the radiation units and the floor of each layer of the antenna are copper-clad graphene film. The copper-clad graphene film material has a high carrier density and can increase the working bandwidth and gain of the ingestible antenna. The graphene double S combined structure radiation patch (4) and the graphene double S combined structure radiation patch (5) are connected through four short-circuit probes to form a composite spiral structure, thereby generating circular polarization characteristics, reducing the bit error rate while suppressing multipath interference. The hook-shaped combined structure of the graphene hook-shaped combined structure radiation patch can reduce the resonant frequency of the antenna and increase the impedance bandwidth of the antenna. The volume of the antenna is only π×(4.5) 2 mm 3 It has the characteristics of wide bandwidth, circular polarization, anti-interference, good electromagnetic compatibility and small size. It is suitable for ISM 2.4GHz frequency band and can meet the working requirements after being taken into complex environment.
Owner:JINLIN MEDICAL COLLEGE

Optical lens

The invention discloses an optical lens, which comprises a front group lens and a rear group lens, and is characterized in that the front group lens comprises a first lens L1 and a second lens L2 which are arranged in sequence, and the first lens L1 is a biconcave negative lens; the second lens L2 is a biconvex positive lens; the rear group lens comprises a third lens L3, a fourth lens L4 and a fifth lens L5, and the third lens L3 is a biconcave negative lens or a meniscus positive lens with a convex object side surface; the fourth lens L4 is a meniscus positive lens, and the object side surface of the fourth lens L4 is a convex surface; and the fifth lens L5 is a biconvex positive lens or a meniscus positive lens of which the object side surface is a convex surface. According to the invention, the positions of the lenses in the optical system are reasonably distributed, the refractive indexes of the lenses are controlled, and the positions of the lenses with different focal powers are reasonably distributed, so that the whole optical system has the performances of miniaturization, low distortion and high resolution.
Owner:SUZHOU LIGHTLNS OPTICAL TECH

Miniaturized integrated vehicle lamp buck circuit

ActiveCN224385745UReduced wiring areasmall footprintMagnetic/electric field screening
The utility model relates to the technical field of car light circuit, specifically disclose a miniaturized integrated car light BUCK circuit, including BUCK IC integrated chip, BUCK IC integrated chip includes VIN pin, EN pin, VOUT pin, FB pin, VCC pin and BST pin, has the first capacitor group and second capacitor group on VIN pin, the first resistance formation POWER IN is connected on EN pin, the voltage -division resistance for voltage division is provided with on FB pin, VOUT pin is connected with third capacitor group, the utility model discloses a purpose at to solve the traditional car light circuit reliability problem through car light BUCK circuit, help system improves stability.
Owner:CHONGQING GUINUO PHOTOELECTRIC TECH CO LTD

A double-accumulation type oil-gas spring integrated damping suspension hydraulic cylinder and vehicle

ActiveCN120963271BMeet miniaturization needsEliminate the risk of leakage
The application discloses a double-energy-storage oil-gas spring integrated damping suspension hydraulic cylinder and a vehicle, which comprises a mounting cylinder bottom, a suspension cylinder and energy accumulators, wherein the mounting cylinder bottom is internally provided with an oil passing channel and is provided with one communication port one and two communication port twos on the mounting cylinder bottom; the suspension cylinder and the energy accumulators are fixedly installed on the mounting cylinder bottom, the energy accumulators are provided in two groups, the two groups of energy accumulators are respectively located on the two sides of the radial direction of the suspension cylinder, the suspension cylinder and the energy accumulators are connected with the oil passing channel through the communication port one and the communication port two, and the suspension cylinder and the energy accumulators are connected through the oil passing channel. The application effectively solves the pressure loss problem caused by the long oil circuit of the traditional suspension system, realizes the internal transmission of the oil circuit through the integrated mounting cylinder bottom, forms the redundant pressure compensation mechanism through the symmetrical layout of the double energy accumulators, and ensures the pressure stability of the system under the continuous vibration working condition. The compact overall structure design reduces the space occupation, and meets the miniaturization demand of the suspension system of the special vehicle.
Owner:XCMG HYDRAULICS CO LTD

Multi-leaf grating blade driving device and system, medical linear accelerator and method

The invention belongs to the technical field of medical equipment. According to the multi-leaf grating blade driving device and system and the medical linear accelerator and method, blades are located in a through cavity of a blade mounting box, and a linear motor is fixed to the top face or the bottom face of the blade mounting box; a rotor of the linear motor is connected with the transmission mechanism, the transmission mechanism is connected with the blades, and the blades can be driven by the rotor to linearly reciprocate in the through cavity. Lead screw grooves and micro lead screw threaded holes in the blades are eliminated, so that the blades are complete in structure and convenient to machine, traditional lead screw transmission is replaced with a linear motor driving mode, cost is reduced, the problem that lead screws are prone to bending and breakage in the transmission process is solved, the lead screw shifting phenomenon is avoided, the movement speed of the blades is higher, and the service life of the blades is prolonged. The precision is higher, the radial size of the treatment head is reduced, and the development requirement for miniaturization of medical equipment is met.
Owner:SHANDONG UNIV

An oxygen generator

PendingCN122275550Aavoid complex distributionMeet miniaturization needsInlet channelStructural engineering
This invention discloses an oxygen concentrator, comprising: a tank, a support frame, an air compressor, electrical components, and a housing assembly. The tank has at least one independent oxygen-generating channel and an air inlet channel along its length. The support frame is detachably connected to one side of the tank. The air compressor is connected to the support frame, with its inlet end connected to the air inlet channel and its outlet end connected to the oxygen-generating channel. The electrical components are connected to the tank and electrically connected to the air compressor. The housing assembly includes a first housing and a second housing. The first housing covers the air compressor and is connected to the support frame, while the second housing covers the electrical components and is connected to the tank. This invention effectively solves the problems of existing oxygen concentrators, such as their dispersed structure, complex airway piping, and large size.
Owner:HUBEI YOUWEIXIN TECH CO LTD