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347results about How to "Reduced precision requirements" patented technology

Chuck mechanism and hemostatic clip

The invention relates to the technical field of hemostatic clips, in particular to a chuck mechanism and a hemostatic clip. Aiming at the technical problem that the existing hemostatic clip has defects, the invention provides the chuck mechanism and the hemostatic clip, the structure of a clamping piece is improved, a three-way integrated hole is formed in the tail part of the clamping piece, and the integrated hole is matched and connected with a ball head of a metal wire, so that the clamping and closing of the clamping piece are controlled; and the mutual influence of the clamping and closing operation and the separation operation of the clamping pieces in the operation can be avoided by combining the control of the metal wire and the separation control between the metal wire and the clamping pieces. And moreover, through the design of the multi-stage locking part, the clamping piece can be locked under different clamping degrees, so that the clamping requirements under different conditions are met, and more excellent practicability and operation convenience are achieved.
Owner:ANREI MEDICAL HZ

Semiconductor die bonder and positioning system thereof

The utility model provides a semiconductor die bonder and a positioning system thereof, the positioning system comprises a visual acquisition device and a heat insulation protection device, and the heat insulation protection device comprises a heat insulation cylinder, a light transmitting mirror and an air source. An air inlet hole and an air outlet hole are formed in the cylinder wall of the heat insulation cylinder, and the air source is communicated with the air inlet hole and used for filling normal-temperature or low-temperature air into the air inlet hole. Normal-temperature gas enters the thermal insulation protection device through the gas inlet, hot gas generated in the thermal insulation protection device is exhausted through the gas outlet, the interior of the thermal insulation protection device is cooled, meanwhile, the normal-temperature gas is continuously and slowly input for circulation, the gas in the thermal insulation protection device is kept in a normal-temperature state all the time, and therefore image shaking caused by hot air is eliminated; the problem that the picture position and the real position deviate is avoided, the reality of the picture is well ensured, the calculated coordinate is the real position coordinate, the accurate positioning of the die bonding workbench is ensured, the die bonding precision is improved, and the product quality is ensured.
Owner:SHENZHEN WEIHENG AUTOMATION EQUIP CO LTD

Bowl body low-damage puncture type seedling taking end effector

A pot body low-damage puncture type seedling taking end effector comprises a probe sliding seat, a seedling taking probe sliding in the probe sliding seat and a flexible connecting piece. The probe sliding seat is provided with a linear sliding groove, and one sliding direction of the linear sliding groove is an execution direction; the seedling taking probe comprises a straight part in sliding fit with the linear sliding groove and a deformation part, and the free end of the deformation part is a puncture end; when the deformation part slides in the execution direction, at least one part of the deformation part can protrude to the outer side of the probe sliding seat and is used for penetrating a culture medium; the two ends of the flexible connecting piece are a driven end and a limiting end respectively, and the driven end is connected with the deformation part; the probe sliding seat is provided with a limiting mechanism, and the limiting mechanism can limit the sliding of the limiting end in the execution direction so as to enable the flexible connecting piece to be switched from the loose state to the tensioning state. The actuator conducts hooking in a substrate by simulating the posture of a fishhook, a bowl clamping mode is not needed, good stability and adaptability are achieved in the transplanting process, meanwhile, adjustment is not needed, and use is convenient.
Owner:HENAN UNIV OF SCI & TECH

Vortex light laser and preparation method thereof

The invention relates to the technical field of semiconductor photoelectronics and liquid crystal materials, in particular to a vortex light laser and a preparation method thereof. The supporting structure is arranged on the laser light source; the liquid crystal structure is arranged on the supporting structure, and the liquid crystal structure is configured to convert linearly polarized light from the laser light source into circularly polarized light and further convert the circularly polarized light into vortex light. In addition, the cholesteric liquid crystal in the liquid crystal structure can change the rotation direction of the circularly polarized light under the irradiation of the ultraviolet light source, so that the topological charge number of the vortex light can be regulated and controlled. Compared with a traditional vortex light laser, the vortex light laser has the advantages of being high in conversion efficiency, low in preparation cost, high in preparation speed, capable of tuning vortex light of orbital angular momentum, capable of conducting autonomous regulation and control on emergent light under the condition that an external electric field is not introduced, and capable of improving the utilization rate of the vortex light. The preparation process is compatible with the traditional semiconductor process, the size is small, and the integration level is high.
Owner:BEIJING UNIV OF TECH

A stacked structure cascaded GaN-based power device and packaging method thereof

The present invention provides a stacked cascade GaN-based power device and a packaging method thereof. The device structure is a DBC double-sided ceramic substrate with through holes and grooves bonded on a TO-220 frame, a GaN-based chip bonded in the groove of the DBC ceramic substrate, and a vertically structured silicon-based MOSFET stacked on the source of the GaN-based chip to form a Cascode cascade structure. The present invention realizes the Cascode cascade structure by rationally arranging the GaN-based chip and the silicon-based MOSFET chip, thereby reducing the area of ​​the frame occupied by the chip, reducing the volume of the package body and improving the selectivity of the packaging form; the high thermal conductivity DBC double-sided ceramic substrate with through holes and groove structures increases the contact area between the chip and the high thermal conductivity material, improves the heat dissipation performance of the chip, optimizes the process steps, and improves the reliability and practicality of the device.
Owner:SOUTH CHINA UNIV OF TECH

Full-automatic cutter replacing device and system

The invention discloses a full-automatic cutter replacing device and system.The full-automatic cutter replacing device comprises a sampling head, a sampling pipe, a mechanical claw, a mechanical arm, a cleaning bin, a recycling bin, a first adapter and a second adapter, separation and connection of the sampling head and the sampling pipe are achieved through the mechanical claw and the mechanical arm, and a first limiting part and a second limiting part are arranged on the first adapter and the second adapter; the first clamping jaw and the second clamping jaw are matched with the first limiting part and the second limiting part, so that automatic matching and separation between the sampling head and the sampling pipe can be stably realized for a long time, meanwhile, the stress of the mechanical arm is reduced in the matching and separation processes, and the stability of the sampling pipe is ensured; the technical scheme is adaptive to the existing sampling tube and sampling head, and in addition, the precision matching requirement when the sampling tube and the sampling head are inserted and pulled is also reduced.
Owner:HANGZHOU WEIZHIZHAO INTELLIGENT TECH CO LTD

Detection system for hardware connector processing production

The invention discloses a detection system for processing and production of hardware connectors. The detection system comprises a turntable for carrying and transferring the hardware connectors; the visual inspection mechanism is fixed to the driving part of the rotating disc, visual inspection is carried out on the top of a rotating part of the visual inspection mechanism, the visual inspection mechanism comprises a fixing frame, the fixing frame is fixedly connected with the driving part of the rotating disc, an imager is fixedly connected to the outer surface of the fixing frame, and the imager carries out visual inspection on the hardware connector through imaging. The hardware connector automatic detection screening system relates to the technical field of hardware product detection, and solves the problems that when an automatic detection screening system of a hardware connector is used, due to the fact that the detection requirement for machining precision is high, the detection precision is high, and the detection efficiency is high. The use cost and the maintenance cost are high when a high-precision visual imaging device is directly adopted for detection, and meanwhile, only one-way detection is carried out on the connector, so that the detection result is not comprehensive.
Owner:DONGGUAN KEHUATONG ELECTRONIC TECH CO LTD

Photovoltaic output control method and device and power distribution network distributed photovoltaic cluster system

The invention relates to a photovoltaic output control method and device and a power distribution network distributed photovoltaic cluster system, an edge calculation controller is deployed on the edge side of a power distribution network, voltage and distributed photovoltaic output conditions are monitored in real time, a voltage and power mathematical model is replaced with measurement data, the calculation amount is reduced, and the requirement for model precision is reduced. Through the combination of the edge calculation controller and the photovoltaic local controller, the control process can be adjusted according to the real-time change condition of each distributed photovoltaic in the distributed photovoltaic cluster system, the control effect is more accurate, and the accurate control of the distributed photovoltaic output can be realized. According to the method, the response speed of voltage regulation in the distributed photovoltaic cluster system of the power distribution network can be improved, the power transmission of the head end of the feeder line can be ensured to be within an allowable range, higher control precision is realized, and the method is of great significance in improving the operation efficiency of the power grid, improving the utilization rate of new energy and guaranteeing the safe and stable operation of the power grid.
Owner:TIANJIN UNIV +2

Space telescope on-orbit assembly method, computer program product and system

The invention belongs to the technical field of optical observation equipment, and relates to a space observation optical technology, in particular to a space telescope on-orbit assembly method, a computer program product and a system. A space telescope on-orbit assembly method comprises the steps that a target sub-lens module is determined based on an installation sequence, and the target sub-lens module is locked in a storage module; after a mechanical arm module is controlled to move to a first set area where the target sub-mirror module can be grabbed, a visual mark on the target sub-mirror module is recognized, and the visual mark comprises pose information and identity information of the target sub-mirror module; calculating a first relative pose of a butt joint interface fixed between the target sub-mirror module and the mechanical arm module relative to the mechanical arm module based on the visual mark; and after the mechanical arm module is controlled to grab the target sub-mirror module based on the first relative pose, the target sub-mirror module and the storage module are unlocked. The technical problem that the precision requirement of a visual camera is high is solved.
Owner:TONGJI UNIV +1

Micro-fluidic chip imaging positioning device and imaging positioning method

The invention discloses a micro-fluidic chip imaging positioning device and an imaging positioning method, and belongs to the technical field of micro-fluidic chip positioning. According to the technical scheme, the method comprises the following steps: taking a photo of a micro-fluidic chip by using a macroscopic camera, and carrying out distortion correction; carrying out mark point or channel identification on the micro-fluidic chip according to the micro-fluidic chip mark point or channel identification model; performing coordinate transformation according to the calibration matrix to obtain a pixel coordinate set in microscopic camera coordinates, namely a positioning coordinate set of the micro-fluidic chip; coordinates of any position of the micro-fluidic chip can be obtained according to the positioning coordinate set, and imaging positioning of the micro-fluidic chip is completed. The micro-fluidic chip clamp is applied to the aspect of micro-fluidic chip imaging positioning, overcomes the defects caused by an existing micro-fluidic chip clamp, solves the technical problems of universality, automation and high precision of micro-fluidic chip positioning, and has the characteristics of rapidness, automation, high precision and universality.
Owner:QINGDAO SINGLE CELL BIOTECH CO LTD

A three-component optical fiber detector

A three-component optical fiber detector includes an open detector housing at both ends, the two ends of the detector housing are respectively connected to a sealing cover component and a plug component by fasteners, the detector housing is fixed to an internal push-pull module by fasteners, and the internal push-pull module includes an inner housing and three mass block components located in the inner housing, wherein each mass block component includes a mass block fixed on the inner housing at one end and an optical fiber fixed on the mass block at the middle part, and the mass block is divided by a cantilever into a first part connected to the inner housing and a second part capable of swinging with the cantilever; the optical fiber spans the suspension corresponding to the cantilever on the mass block, and is fixed to the first and second parts of the mass block at the same time, so that the part corresponding to the cantilever remains horizontal and without bending; a grating is engraved at the position corresponding to the cantilever of the optical fiber, and the optical fiber at the part where the grating is located can bend with the swing of the cantilever when the mass block senses vibration; the swing directions of the mass block cantilevers in the three mass block module components are perpendicular to each other. The present invention has high vibration recognition capability and low equipment accuracy requirements.
Owner:NORTHWEST UNIV

Feeding device

The utility model belongs to the technical field of reinforcing steel bar machining equipment, and particularly relates to a feeding device which comprises a rack. The feeding mechanism is connected to the rack in a sliding mode through a guide rail and used for clamping materials; the driving mechanism is installed on the rack, drives the feeding mechanism to work through a universal coupling and is used for sending out the clamped materials; the feeding mechanism is at least provided with a first clamping assembly and a second clamping assembly, the second clamping assembly is movably installed on the guide rail, and a clamping feeding position is formed between the first clamping assembly and the second clamping assembly; the driving part is mounted on the rack and used for driving the second clamping assembly to move; the linkage assembly is installed on the rack, the end of the linkage assembly is connected with the first clamping assembly and the second clamping assembly, and the linkage assembly is used for making the first clamping assembly and the second clamping assembly get close to each other or get away from each other; the universal coupling is connected with the first clamping assembly and the driving mechanism, the requirement for the precision of the whole machine is not high, and the feeding mechanism clamps the materials more stably through the guide rail.
Owner:TAIZHOU BEILI MACHINERY

One-step pressing type optical fiber cutting knife based on elastic blade sliding block structure

The utility model provides a one-step pressing type optical fiber cutting knife based on an elastic blade sliding block structure. Comprising an elastic blade sliding block, a deflector rod pressing arm, a warping plate and the like. On the basis of the design of an existing one-step pressing type optical fiber cutting knife, the elastic blade structure sliding block is adopted, the shifting rod pressing arm structure is improved, the warping plate structure is adopted to lock and release the sliding block, the requirements of the one-step pressing type optical fiber cutting knife for the precision and strength of structural parts are lowered, the locking and releasing structure is optimized, parts are reduced, and the cost is reduced. The all-plastic structural member can also meet the technical requirements of the one-step pressing type optical fiber cutting knife, so that the cost of one-step pressing type optical fiber cutting is reduced, and market popularization is facilitated.
Owner:龙青

Geomagnetic detection data optimization method

The invention discloses a geomagnetic detection data optimization method, which comprises the following steps: generating a standard magnetic field by using a parallel ring, recording the magnetic field intensity as a ring mark measurement value, measuring the magnetic measurement intensity of the standard magnetic field by using a magnetic measurement probe based on the standard magnetic field, recording the magnetic measurement intensity as a ring measurement measurement value, and calculating the geomagnetic detection data based on the ring mark measurement value and the ring measurement measurement value. And obtaining a probe sensitivity correction coefficient of the magnetic measurement probe. And measuring the local magnetic field intensity of the location by using the magnetic probe, recording the local magnetic field intensity as a geometric measurement value, and combining with a reference standard value of the local magnetic field intensity to obtain the zero point deviation of the magnetic probe. The reference standard value of the local magnetic field intensity can be measured by using a higher-resolution instrument, and can also be published in related standards. And correcting the magnetic field measurement value by using the probe sensitivity correction factor and the zero deviation. According to different earth environment magnetic fields in different regions, the actual measurement value of the magnetic field can be correspondingly corrected.
Owner:NAVAL UNIV OF ENG PLA

A wafer alignment method and related device

The present invention relates to a wafer alignment method and related devices, the alignment method comprising: selecting a suitable alignment mark in a chip of a wafer to establish a work menu, and recording the position of the alignment mark and the size of the chip; using a pre-aligner to perform pre-alignment on the wafer, placing the wafer on a chuck, and recording the target angle of the wafer; performing rough alignment of the wafer; and performing fine alignment of the wafer. The wafer alignment method and related devices provided by the present invention improve the search efficiency of the alignment mark in the subsequent precise alignment step by performing rough alignment on the wafer; and perform precise alignment through the alignment mark at the far end of the wafer to improve the alignment accuracy of the wafer.
Owner:SHANGHAI NORREC SEMICON EQUIP CO LTD

A preparation method and application of apoptotic bodies of deciduous dental pulp stem cells regulating macrophage polarization

The present invention belongs to the field of biotechnology, and specifically relates to a preparation method and application of apoptotic bodies of deciduous dental pulp stem cells that regulate macrophage polarization. The present invention provides a method for preparing apoptotic bodies of deciduous dental pulp stem cells: step one, separation, culture and amplification of deciduous dental pulp stem cells; step two, extraction and identification of apoptotic bodies of deciduous dental pulp stem cells; step three, evaluation of the therapeutic effect of apoptotic bodies of deciduous dental pulp stem cells on spinal cord injury in rats. Deciduous dental pulp stem cells are induced by staurosporine, and more apoptotic bodies are obtained by differential centrifugation. The induced extraction scheme is simpler, easier, more time-saving, and more efficient, and does not require high instrument accuracy. The apoptotic bodies of deciduous dental pulp stem cells obtained by this method can regulate macrophage polarization, and are used to prepare drugs for treating spinal cord injury diseases, providing a new idea for the treatment of spinal cord injury diseases.
Owner:WENZHOU MEDICAL UNIV +1

Steel bar integrated profile steel connecting device suitable for nuclear island and construction method

The invention discloses a steel bar integrated profile steel connecting device suitable for a nuclear island and a construction method, and belongs to the technical field of steel bar integrated assembly. The steel bar integrated profile steel connecting device comprises a prefabricated steel bar cage, the prefabricated steel bar cage is composed of a plurality of layers of steel bar meshes, and steel bar trusses are arranged between the adjacent layers of steel bar meshes; c-shaped steel or H-shaped steel is welded and fixed at the end part of the prefabricated reinforcement cage; when the adjacent prefabricated reinforcement cages are connected, the two pieces of C-shaped steel or H-shaped steel of the same size between the adjacent ends are in butt joint and are fixed through bolt connection or welding. Steel bar meshes on the upper layer and the lower layer are in lap joint and welding with C-shaped steel or H-shaped steel at the ends of the prefabricated steel bar cages, the C-shaped steel or the H-shaped steel at the ends of the two same prefabricated steel bar cages is connected, steel bars between the adjacent steel bar cages are rapidly positioned and connected, equal-strength connection of the steel bars is achieved, and the problem that horizontal steel bars cannot be aligned is solved. On-site workload is reduced, and construction efficiency is improved.
Owner:SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE CO LTD

Power transmission line metal assembly type foundation in plug-in connection

ActiveCN222594938UNode structure is simpleReduced precision requirementsTowerBeam cross section
The utility model discloses a power transmission line metal assembly type foundation in plug-in connection, and relates to the technical field of high-voltage power transmission line foundations. The support comprises insertion type angle steel, four support main materials and a foundation slab, the two support main materials form two support main material sets, each support main material set is of a herringbone structure, the upper ends of the support main materials are connected with the lower ends of the insertion type angle steel through bolts, and the lower ends of the support main materials are connected with the foundation slab; the foundation slab comprises two foundation slab main beams and a plurality of foundation slab secondary beam groups; the section type of the foundation slab girder is channel steel. According to a metal assembly type foundation of an existing power transmission line, tower legs and the foundation are mainly connected through tower base plates, and the connecting mode has the problems that the node structure is complex, the node economy is poor, and the precision requirement is high during machining, construction and assembly. The tower legs and the foundation slab are connected through the insertion type angle steel, the node structure is simple, the node economy is good, and the precision requirement is not high during machining, construction and assembly.
Owner:CENT SOUTHERN CHINA ELECTRIC POWER DESIGN INST CHINA POWER ENG CONSULTING GROUP CORP

Vertical grid mounting structure rooted on transverse keel

The utility model discloses a vertical grating mounting structure rooted on a transverse keel, which belongs to the technical field of curtain wall construction and comprises the transverse keel, a curtain wall plate, a vertical grating and a connecting support. The vertical grating is arranged on the outer side of the curtain wall plate and comprises a main body and a connecting groove; the connecting support comprises a mounting plate, a supporting plate and a connecting block which are sequentially connected from inside to outside; the mounting plate is fixedly arranged on the transverse keel; the outer end of the supporting plate extends out of a gap between two vertically adjacent curtain wall plates; the connecting block is located in the connecting groove and connected with the connecting groove through a fixing bolt. The vertical grids are connected with the transverse keels through the connecting supports, installation is convenient and fast, in addition, the buckle plates are arranged to shield the connecting positions, and the building attractiveness is improved; vertical kidney-shaped holes are formed in the side walls of the connecting grooves, so that fine adjustment of the height of the vertical grating is achieved, the hole opening precision requirement is lowered, and the construction efficiency is improved; and positioning and adjusting bolts are matched, so that the height stability of the vertical grating is further ensured.
Owner:DECORATION CO LTD OF CHINA CONSTR 3RD ENG BUREAU

Electric thermostatic valve and shower faucet

The invention provides an electric thermostatic valve and a shower faucet with the electric thermostatic valve. The electric thermostatic valve comprises a first valve seat, an electric thermostatic valve element and a temperature sensor, and a water mixing cavity, a first water inlet channel, a second water inlet channel and a mixed water outlet channel are formed in the first valve seat; the electric constant-temperature valve element comprises a valve element seat, a motor and a valve rod, the valve element seat is provided with a valve element water inlet, a valve element water cavity and a valve element water outlet, the valve element seat is arranged on the first valve seat, the valve element water outlet is communicated with the water mixing cavity, the first water inlet channel is communicated with the water mixing cavity sequentially through the valve element water inlet, the valve element water cavity and the valve element, and the motor is in transmission connection with the first end of the valve rod. The second end of the valve rod is provided with a plug used for adjusting the water inlet proportion of the water outlet of the valve element and the water outlet end of the second water inlet channel. The temperature sensor is connected to the first valve seat and extends into the mixed water outlet channel. According to the electric thermostatic valve, the water temperature can be automatically adjusted, the electric thermostatic valve is not affected by scale, the response speed is higher, and temperature adjustment is more accurate.
Owner:BRAUN (CHINA) SANITARY WARE CO LTD

Automatic assembling equipment for retaining ring of flow guide body

The automatic flow guide body retaining ring assembling equipment comprises a machine body and a rotary conveying table, an assembling station is arranged on the rotary conveying table, and a retaining ring cover feeding mechanism, a retaining ring feeding mechanism, a flow guide body feeding mechanism, a press-fitting mechanism and a discharging mechanism are sequentially arranged on the machine body around the circumference of the rotary conveying table. A positioning tool is arranged on the assembling station, a first positioning part for positioning the retaining ring cover and a second positioning part for positioning the flow guide body are arranged on the positioning tool, the retaining ring cover, the retaining ring and the flow guide body can be sequentially and automatically fed through the equipment, and the retaining ring cover and the flow guide body are well positioned at the positioning tool; after positioning is completed, press-fitting assembling is completed on the press-fitting mechanism, finally, automatic discharging is carried out, full-automatic assembling of the flow guide body assembly is achieved, manpower is effectively reduced, the assembling sequence is carried out in an inverted sequence mode, all parts are well positioned and concentric, the assembling precision is effectively improved, and the situation that damage occurs due to non-concentricity in the press-fitting process is avoided.
Owner:LEO GRP ZHEJIANG PUMP CO LTD

Forward and reverse junction box applied to electromagnetic pushing system

The utility model provides a forward and reverse junction box applied to an electromagnetic pushing system, comprising a box body and a box cover, the box body is respectively provided with a forward wiring hole and a reverse wiring hole; a wiring terminal is arranged in the box body; the wire tube is connected with the forward wiring hole or the reverse wiring hole; an electric wire in the electric wire tube is connected with the wiring end through the forward wiring hole or the reverse wiring hole; the box body is detachably connected with the box cover; a sealing part is arranged at the joint of the box cover and the box body; according to the utility model, the forward and reverse wiring holes are arranged, so that the space can be reduced during wiring, wires can be locked, and left and right reversing is facilitated; and the box body and the box cover are in threaded connection, and the sealing rings are arranged at the clamping grooves where the box body and the box cover are combined, so that water vapor cannot permeate. The use scene of the junction box is widened, and the service life of the junction box is prolonged.
Owner:SHUANGPU TECH (FOSHAN) CO LTD +2

Reinforcing support for road and bridge construction

The utility model discloses a reinforcing support for road bridge construction, which comprises a shock insulation mechanism, the upper side and the lower side of the shock insulation mechanism are fixedly connected with embedded mechanisms, the top of each embedded mechanism is fixedly provided with a plurality of connecting mechanisms, each connecting mechanism comprises a mounting seat, a plurality of springs are fixedly mounted in each mounting seat, and the springs are fixedly connected with the shock insulation mechanism. A movable ring is movably mounted at the top of the spring, the movable ring is extruded through the spring, then the extrusion ring extrudes the fixing ball to one side of the mounting pin, then the mounting pin is fixed in the mounting base through cooperation between a locking groove and the fixing ball, and when unlocking is needed, only a gap between the movable ring and the cover plate needs to be inflated through an air inlet hole, so that the cover plate can be unlocked. The locking device does not need to be tightly jointed with a mounting hole like a fastening bolt, the locking device is fixed in an elastic extrusion mode of a fixing ball, fixed connection can still be completed when small deviation occurs, and the precision requirement is low.
Owner:SHANXI JINJIAO PULI KUANG ENVIRONMENTAL PROTECTION NEW MATERIAL TECH CO LTD

A method for automatically calculating and adjusting central projection parameters of a CT system

The present invention discloses an automatic calculation and adjustment method for the central projection parameters of a CT system, and relates to the technical field of industrial CT. The light cone of the CT light-emitting base point is adjusted to irradiate into the detector sensing plate; the CT light-emitting base point is turned on, and the displacement of the Z and X of the first positioning platform is adjusted, and the displacement of the X and Y of the third positioning platform is adjusted, and the projection of the detection plate is adjusted to be displayed in the detector sensing plate; the point position of the detection ball projected onto the detector sensing plate is recorded; the offset detector sensing plate records and combines the four-point data on the multiple offset detector sensing plate, calculates four straight lines, and uses the four straight lines to calculate the central coordinates of the CT light-emitting base point; the center of the CT light-emitting base point is adjusted to be on the same axis as the center point of the detector sensing plate. The tedious operation of accurately calculating the four-point model used for correction is reduced, and the requirements can be met by manual processing only by using a simple four-point model with low precision requirements.
Owner:SHANGHAI FOCUS INTELLIGENT TECH CO LTD

Device for detecting waste liquid generated after antimony sulfide flotation

The utility model belongs to the technical field of waste liquid detection, and particularly relates to a waste liquid detection device after antimony sulfide flotation, which comprises a tank body, a tank cover, a discharge pipe, a discharge valve and a heating ring, the tank cover is movably arranged at the top of the tank body, the bottom of the tank body is of a conical structure, the discharge pipe is communicated and connected to the bottom of the tank body, the discharge valve is arranged on the discharge pipe, and the heating ring is arranged on the discharge pipe. The heating ring is installed on the surface of the outer wall of the tank body, a first transmission shaft is inserted in the center of the tank cover in a penetrating mode, and a through hole is formed in an inner cavity of the first transmission shaft; the concentration of the detected waste liquid can be increased by evaporating water in waste water, so that the requirement on the precision of an antimony tester is reduced, the detection of the waste liquid generated after antimony sulfide flotation can be completed by using the low-precision antimony tester, and meanwhile, the concentrated waste liquid at the bottom of the tank body can be detected in real time through the antimony tester in the flotation process; and detection information is fed back in time, so that the use is more convenient.
Owner:HUNAN WANSHIZHI METAL TECH CO LTD

Case and electronic equipment

The embodiment of the utility model provides a case and electronic equipment, and relates to the technical field of electronic equipment. The case comprises a case wall and a plurality of wire hanging pieces arranged on the case wall at intervals in the first direction. The wire hanging piece comprises a separation part, a first wire blocking part and a second wire blocking part. One end of the partition part in the second direction is connected with the box wall, the first wire blocking part and the second wire blocking part are arranged at the other end of the partition part in the second direction and located on the two sides of the partition part in the third direction respectively, and a first wiring channel is formed among the first wire blocking part, the partition part and the box wall; a second wiring channel is arranged among the second wire blocking part, the separating part and the box wall, and a gap between every two adjacent wire hanging parts in the first direction can allow a cable to pass through. Therefore, a plurality of wiring paths with different lengths can be formed, the precision requirement on the length of the cable can be reduced, and the types of the length of the cable needing to be configured in the case can be reduced.
Owner:HENAN KUNLUN TECH CO LTD

Vacuum pump cooling mechanism

The utility model provides a kind of vacuum pump cooling mechanism, including rotor chamber, its both ends are open, and the outer surface of rotor chamber is equipped with two symmetrical arrangement air outlet, and the outer surface top of rotor chamber is equipped with air inlet;The rotor chamber is equipped with rotor cavity, and the channel for circulating cooling water is formed between rotor cavity and the inner wall of rotor chamber, and the both ends of rotor cavity are equipped with the rim that is connected with the fixed rotor cavity, and the rim is installed in the rotor chamber, and the air inlet, air outlet are all through channel and with the inside space of rotor chamber is communicated;One side of the air outlet is equipped with water inlet pipe, and the water inlet pipe is connected with the fixed rotor chamber, and the water inlet pipe is connected with channel;The outer surface top of rotor chamber is equipped with return pipe, and the return pipe is connected with channel, and the utility model has the following beneficial effects: reduce the production difficulty and processing cost of rotor chamber.
Owner:SHANGHAI YIHE ENERGY SAVING TECH CO LTD

Axial flux permanent magnet synchronous reluctance motor rotor based on modular harmonic cancellation

The invention discloses an axial flux permanent magnet synchronous reluctance motor rotor based on modular harmonic counteracting, the rotor is designed in a three-in-one mode of structure modularization, magnetic barrier gradient and phase computable dislocation, a rotor assembly is formed by splicing N fan-shaped rotor modules along the circumference, and the adjacent modules are provided with optimal dislocation angles calculated according to the harmonic counteracting principle. The sum of target harmonic magnetic field vectors generated by each module is zero; a U-shaped magnetic barrier array of which geometric parameters are monotonically changed in a gradient manner is arranged in the fan-shaped rotor module, and a permanent magnet group is embedded in the fan-shaped rotor module; main electromagnetic harmonic waves are offset from the source, magnetism gathering and resistance increasing functions are decoupled, the mechanical robustness and the electromagnetic performance of the motor are improved, meanwhile, overall machining is converted into standardized module assembling, the manufacturing cost and the maintenance difficulty are reduced, different motor pole numbers can be flexibly adapted, and the service life of the motor is prolonged. The method is suitable for high-end application scenes such as new energy automobiles, industrial driving and aerospace.
Owner:NINGBO XIAOWEI INTELLIGENT TECH CO LTD