Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

87results about How to "Guaranteed long-term reliability" patented technology

Intelligent temperature control method and device of multi-chip stacking structure and computer equipment

The invention relates to the technical field of chip stacking, and discloses an intelligent temperature control method and device of a multi-chip stacking structure and computer equipment. The method comprises the following steps: acquiring target temperature data of each layer of chip in a multi-chip stacking structure, and establishing a nonlinear temperature response model; constructing a hierarchical control framework, and inputting the target temperature data into an agent auxiliary temperature control algorithm for processing to obtain temperature distribution characteristic data; performing optimal sampling analysis to obtain local temperature regulation and control parameters; constructing a temperature-flow multi-stage coordination control model, and generating a cooling liquid flow distribution scheme and a flow direction control instruction; the flow and temperature of cooling liquid are controlled, gradient cooling treatment is conducted on the temperature abnormal area, and temperature adjusting process data are obtained; and carrying out multistable distribution analysis to generate a temperature control optimization strategy. According to the invention, the problem of temperature balance in a multi-chip stacking structure is effectively solved.
Owner:SHENZHEN MINGRUIDA HARDWARE PROD CO LTD

Electric heating fabric and preparation method and application thereof

The invention provides an electric heating fabric and a preparation method and application thereof.The electric heating fabric comprises fiber cloth, an electric heating film is arranged on the surface of one side or two sides of the fiber cloth, the electric heating film has a wave-transparent function and is formed by curing conductive slurry, and the conductive slurry comprises resin, a dispersing agent, a carbon material, a functional compound and a solvent; the functional compound comprises a nitrogen-containing compound and / or an acidic compound; the specific functional compound is added into the preparation raw materials of the electric heating film, and the interface bonding performance between the electric heating film and the composite material is effectively improved by utilizing the cross-linking reaction between the functional compound and the resin in the composite material; therefore, the long-term stability and reliability of the obtained electric heating fabric and the integrated composite material thereof in an extreme use environment can be ensured, and the electric heating fabric has a wave-transparent function and is suitable for being applied to the surface of an aircraft.
Owner:SUZHOU INST OF NANO TECH & NANO BIONICS CHINESE ACEDEMY OF SCI

Five-degree-of-freedom permanent magnet biased magnetic suspension blood pump

The invention discloses a five-degree-of-freedom permanent magnet biased magnetic suspension blood pump which comprises a pump shell, a rotor impeller, a magnetic suspension bearing and a motor used for driving the rotor impeller to rotate and do work, the magnetic suspension bearing comprises a bearing stator and a bearing rotor, and the bearing stator is fixed in an inlet pipe; the stator comprises an annular stator core and stator magnetic rings distributed at the two axial ends of the stator core, a plurality of first stator teeth are arranged on the inner wall of the stator core in the radial direction, and each first stator tooth is wound with a first coil; the bearing rotor is fixed in the pump rotor, the bearing rotor comprises a rotor iron core, rotor teeth are arranged on the outer circumferential surface of the rotor iron core, and the multiple first stator teeth are arranged opposite to the rotor teeth in the radial direction; the stator magnetic rings located at the two axial ends of the stator iron core are magnetized in the axial direction, the magnetizing directions are opposite, and closed magnetic loops can be formed between the stator magnetic rings and the stator iron core and between the stator magnetic rings and the rotor iron core. Five-degree-of-freedom suspension control can be achieved, the size is small, and power consumption is low.
Owner:SHANGHAI DONGXIN BIOMEDICAL TECH CO LTD

Large-diameter vibration reduction circular seam type pressure regulating valve device for subsonic-transonic-supersonic wind tunnel and using method

The invention provides a large-diameter vibration reduction circular seam type pressure regulating valve device for a sub-span-supersonic wind tunnel and a using method, the large-diameter vibration reduction circular seam type pressure regulating valve device comprises an outer conical cylinder, an air inlet grille is arranged at an air inlet of the outer conical cylinder, and the outer conical cylinder and an inner conical cylinder form a circulation area; an inlet of the pressure regulating molded surface cone is connected with the outer cone cylinder, and the inner molded surface of the pressure regulating molded surface cone is an arc surface and a multi-section index combined molded surface; a piston is arranged between the inner cone cylinder and the pressure regulating profile cone, a main seal and an auxiliary seal are arranged at the end of the piston, and the piston is in sliding connection with the inner cone cylinder through a servo driving device. A plurality of diagonal draw bars are arranged between the servo driving device and the piston, the two ends of each diagonal draw bar are hinged to the servo driving device and the piston respectively, and the two ends of the shock absorber are hinged between the diagonal draw bars and the servo driving device respectively. According to different wind tunnel experiment requirements, pressure distribution of a flow field can be accurately adjusted, mechanical impact and noise of the valve can be effectively reduced, and vibration generated by rapid movement is relieved through coupling between the damping device and the diagonal draw bar.
Owner:CHINA ACAD OF AEROSPACE AERODYNAMICS

Metallized film capacitor health state assessment method, system, medium and equipment

The invention discloses a metallized film capacitor health state assessment method and system based on audible noise signal analysis, a medium and equipment, and the method comprises the steps: building a discharge noise monitoring experiment loop; the metalized film capacitors in different health states are detached and connected to the discharge noise monitoring experiment loop; an alternating current and direct current superposition voltage experiment is carried out in the discharge noise monitoring experiment loop, the temperature of the metallized film capacitor in different health states is kept at 25 DEG C constantly in the experiment process, after pressurization is completed, noise waveforms are collected for 10 s to obtain noise waveform data, and voltage reduction and experiment stopping are carried out on the metallized film capacitor; according to the noise waveform data, respectively calculating sound pressure level levels of the metallized film capacitor in different health states, and simultaneously carrying out FFT analysis to obtain frequency domain characteristics of the metallized film capacitor; and acquiring a reference value of the sound pressure level at the initial operation moment, and judging the health state of the metallized film capacitor according to the sound pressure level and the frequency domain characteristics to obtain health or failure classification.
Owner:XI AN JIAOTONG UNIV

Suspension bridge main cable strand erecting method and system

PendingCN121992722AReduced installation freedomCapture changes in internal forces in real timeSuspension bridgeBridge structural detailsArchitectural engineeringStructural engineering
According to the suspension bridge main cable strand erecting method and system, systematized control over erecting of the suspension bridge main cable strand is achieved through the complete processes of cable strand restraining frame installation, double-reference cable strand traction, linear adjustment, stability observation and conventional cable strand erecting. Firstly, the cable strand restraining frames are installed at equal intervals to provide a uniform supporting foundation for the cable strands, it is ensured that loads are distributed reasonably, and the risk of local stress concentration is reduced; the symmetrical arrangement of the double-reference cable strands covers the lower half part area of the main cable, the installation freedom degree of the conventional cable strands is remarkably reduced by adding positioning reference objects, and deviation accumulation caused by insufficient single-reference positioning is avoided; in the stability observation link, the reference state is judged through a preset threshold value, environmental fluctuation interference is eliminated, the long-term reliability of the reference cable strand as a reference is guaranteed, and a solid foundation is laid for subsequent conventional cable strand erection.
Owner:CHINA COMM SECOND PUBLIC OFFICE EAST CHINA CONSTR CO LTD +1

Seat ring seating sensing device and intelligent toilet

The utility model discloses a seat ring seat induction device and intelligent closestool, seat ring seat induction device, including seat ring casing, micro -switch, sealing rubber cover, movable plate and elastic part, and the cavity is provided with in seat ring casing inside, and the through -hole is equipped on seat ring casing, and the contact of micro -switch is aligned through -hole, and movable plate movable plate and seat ring casing can be movable joint, and movable plate and seat ring casing can move to make movable plate trigger the contact of micro -switch, and elastic part top and resist between movable plate and seat ring casing. The utility model adopts micro -switch as pressure formula induction switch, when the user sits on the seat ring, no matter the body weight is applied in the front part, the middle part or the rear part of seat ring, and the pressure will be passed through seat ring and be delivered to movable plate, and then trigger micro -switch, improve user seat area limit, also avoid the problem of false triggering induction when user cleans seat ring.
Owner:GUANGDONG LEHUA HOME FURNISHING CO LTD

Jumper string

The utility model discloses a jumper string, and relates to the technical field of jumper strings. According to the jumper string, the stability is enhanced through the ratchet wheel and pawl anti-loosening mechanism, the ratchet wheel and the pawl on the outer side of the nut form a one-way locking structure, the nut is prevented from automatically loosening due to external force such as vibration by using the elastic reset force of the torsional spring, and the long-term reliability of jumper connection is ensured; by arranging a fixed plate, a connecting rod, a spring, a rotating plate, an adjusting rod, a connecting plate, a moving plate, a ratchet wheel, a pawl and a rotating disc, the rotating disc drives the adjusting rod to rotate through the rotating plate, the adjusting rod drives the connecting rod to move through the moving plate, the connecting rod moves to drive the pawl to move, and the pawl is controlled to leave one side of the ratchet wheel; and the bolts and the nuts are convenient to disassemble and assemble.
Owner:JIANGSU TIANNAN ELECTRIC POWER EQUIP

Wear-resistant rubber roller for printing machine

The utility model provides a wear-resistant rubber covered roller for a printing machine, relates to the technical field of rubber covered rollers for printing machines, and solves the problems that printing parts outside the rubber covered roller can be replaced in order to ensure the printing quality, but the printing parts of a common rubber covered roller are difficult to replace. In the prior art, the rubber roller generally does not have a good stable structure to assist the connection stability between the rubber roller and a printing part, so that the printing quality is influenced due to looseness between the printing part and the rubber roller. A wear-resistant rubber roller for a printing machine comprises a connecting shaft, a rubber roller and a rubber roller body, fixed side seats are symmetrically and fixedly mounted at the two ends of the connecting shaft; after the connecting sleeve is replaced, an operator only needs to rotate the knob to drive the limiting screw rod to rotate and push the limiting sliding block to move until the limiting teeth at the bottom of the limiting screw rod are completely clamped with the limiting teeth on the limiting block of the rubber roller main shaft, so that the fixed side seat is effectively prevented from loosening due to vibration or external force, and the long-term stability of the connecting sleeve is ensured.
Owner:JIANGSU YONGHUI RUBBER CO LTD

Insulator for direct current converter transformer and on-line monitoring method thereof

The invention discloses an insulator for a direct current converter transformer and an online monitoring method thereof, and relates to the technical field of insulators. According to the insulator for the direct current converter transformer, the insulator body and the connection structure are internally integrated with a multi-stage state monitoring system comprising a first-stage sensing unit, a second-stage sensing unit and a third-stage sensing unit; according to the invention, three types of key state data of internal mechanical stress of the insulator, the connection state of the first metal accessory and the second metal accessory and the overall temperature distribution can be synchronously acquired in real time, real-time monitoring of the insulator and multi-dimensional comprehensive information acquisition are realized, early warning is realized based on the multi-dimensional comprehensive information, and the reliability of the insulator is improved. According to the method, preliminary early warning can be carried out according to single data, meanwhile, time-space alignment and comprehensive judgment can be carried out on multi-dimensional data, high-level fault early warning is carried out, the stability and reliability of the insulator are improved, and sudden faults are reduced.
Owner:PINGXIANG SHUANGHUA ELECTRIC PORCELAIN MFG CO LTD

Pressure-resistant cabin sealing combination and manufacturing method thereof

The invention discloses a pressure-resistant cabin sealing combination and a manufacturing method thereof, the pressure-resistant cabin sealing combination comprises a transducer, a pressure-resistant cabin and a watertight socket, and an array element cable is arranged in the transducer; the transducer is arranged on one side of the pressure-resistant cabin, a first butt joint port is formed in one side of the transducer, a second butt joint port is formed in one side of the pressure-resistant cabin, a containing space is defined by the transducer and the pressure-resistant cabin, and the watertight socket is arranged in the containing space. According to the invention, the transducer is arranged on one side of the pressure-resistant cabin, the transducer and the pressure-resistant cabin define the accommodating space, the watertight socket is arranged in the accommodating space, the array element cable is connected with one side of the watertight socket, and the machine core cable is connected with the other side of the watertight socket, so that intermediate connecting cables are reduced; the design mode that the underwater acoustic transducer conventionally uses a watertight cable and a watertight plug is effectively avoided, the problem that the bending radius needed by a thick watertight cable is large is solved, and then the long-term reliability of the watertight cable is guaranteed.
Owner:ZHONGKE GREAT WALL MARINE INFORMATION SYST CO LTD

A novel scanning laser wind radar

This invention provides a novel scanning laser wind-measuring radar, employing a high-stability, narrow-linewidth semiconductor laser as the transmitting device. A high-speed optical switch precisely modulates the continuous laser in the time domain to generate ideal laser pulses. High-power amplifiers and low-noise amplifiers are used to enhance the transmitted power and echo signal quality, significantly compensating for the decrease in atmospheric echo power and improving range resolution and wind speed accuracy. The high-stability, narrow-linewidth laser improves the signal-to-noise ratio through a triple mechanism of increased coherence efficiency, reduced background noise, and sharpened spectral resolution, enabling long-range detection. When using a transceiver telescope system, it avoids a reduction in the scanning field of view due to a decrease in signal-to-noise ratio. The semiconductor laser solution is lighter than fiber lasers, suitable for airborne platforms, and enables miniaturized laser wind-measuring radar equipment. Furthermore, the high-stability, narrow-linewidth semiconductor laser used meets temperature and vibration stability requirements, ensuring the long-term reliability of the wind-measuring radar in field environments.
Owner:XINLIANXIN (HEBEI XIONGAN) TECH CO LTD

A rapid sizing apparatus and process for recycling blow molded articles

This application relates to the field of plastic recycling, specifically disclosing a rapid shaping equipment and process for recycling blow-molded products. The rapid shaping equipment includes a frame, a mold mechanism mounted on the frame for blow-molding products, a defect detection mechanism for detecting defects in the product, a crushing mechanism for crushing substandard products into particles, and a ring-shaped screening mechanism for screening the particles output from the crushing mechanism, allowing particles of the correct size to be discharged and returning oversized particles to the crushing mechanism for secondary crushing. This application improves the efficiency of defective product recycling.
Owner:JINGZHOU JUNDA TECH CO LTD

A clamping block for rail connection

The application provides a clamping block for rail connection, relates to the technical field of rail connection, and comprises a first connecting part for bolt connection, the bottom of the first connecting part is integrally formed with a first reinforcing protrusion, the two sides of the first connecting part are integrally formed with symmetrical second connecting parts, the lower part of each second connecting part is provided with an outward arc-shaped hook, and the starting position of the arc-shaped hook of each second connecting part is integrally formed with a second reinforcing protrusion. The first reinforcing protrusion and the second reinforcing protrusion improve the structural strength of the clamping block, enhance the load capacity of the clamping block, avoid damage of the clamping block caused by overloading due to wind, snow and other natural loads, effectively eliminate the safety hazards of battery panel falling and causing injury and damage, and ensure long-term stable operation of the solar system.
Owner:SHANGHAI CHIKO SOLAR TECH

Stator assembly of motor and motor

The present invention discloses a stator assembly of a motor and the motor, comprising a stator core, a first insulating skeleton, a second insulating skeleton and a plurality of pressure welding terminals, wherein the first insulating skeleton is arranged at one end of the stator core in the axial direction, the second insulating skeleton is arranged at the other end of the stator core in the axial direction, a wiring board is arranged on the first insulating skeleton, a plurality of pressure welding terminals are arranged on the wiring board, a plurality of pressure welding terminals are integrally injection molded with the wiring board, and a plurality of pressure welding terminals include two symmetrically arranged arc-shaped first pressure welding terminals and a second pressure welding terminal arranged between the two first pressure welding terminals. The present invention has the advantages of reliable connection and high production efficiency.
Owner:M& SE DRIVING SYST CO LTD

Solar photovoltaic cable and process for its production

This invention relates to the field of photovoltaic cable manufacturing technology, and more particularly to a solar photovoltaic cable and its manufacturing process. The process includes: processing a tin-plated cable core according to a pre-process; extruding the tin-plated cable core through an extruder with preset extrusion parameters to perform a first functional layer extrusion; pre-cooling the extruded cable; determining a second preset pulling speed for the second functional layer extrusion process based on a first excess value when the functionality is deemed unqualified, and further determining a second preset pulling speed based on a first excess value when the functionality is deemed unqualified after the pre-cooling stage; and adjusting the cooling temperature based on a second excess value when the cooling is deemed unqualified, and based on a second excess value when the cooling is deemed unqualified, after the cooling is deemed unqualified. This invention can comprehensively assess the manufacturing quality of photovoltaic cables from multiple dimensions and deeply refine it from a single dimension, and automatically feed back and adjust the parameters for manufacturing photovoltaic cables to improve the stability of the performance and the stability of the manufacturing process of photovoltaic cables.
Owner:CANGZHOU HUIYOU CABLE CO LTD

Prefabricated assembly type building stair structure convenient to install

The utility model provides a prefabricated assembly type building stair structure convenient to install, relates to the technical field of assembly type building structures, and aims at solving the problems that a traditional prefabricated stair is complex in connecting joint, insufficient in reliability, mostly integral components and large in size and weight. Comprising a bearing support, a bearing support block, a connecting support column and a bearing support frame, an assembling side groove is formed in the side face of the bearing support, and a bearing clamping block is arranged on the side face of the bearing support; the bearing support block is fixedly mounted on the inner side of the assembly side groove; the connecting supporting columns are arranged on the inner sides of the assembling supporting grooves. The bearing support frame is arranged on the side face of the bearing support through a bearing clamping block, and a mounting open groove is formed in the side face of the bearing support frame. The anti-skid pedal enables the stair tread to carry out anti-skid bearing, the multiple sets of mounted bearing supports are subjected to stress linkage through the connecting supporting columns, the reinforcing supporting columns enable the reinforcing connecting columns to be supported on the side faces of the threaded side columns through the threaded supporting grooves, and the situation that the connecting supporting columns deform due to stress, and the stability of stress linkage of the multiple sets of bearing supports is affected is prevented.
Owner:欧璐

A cable GIS terminal type test device and test method

ActiveCN121721481BGet rid of absolute dependenceAchieve high flexibilityInstrument screening arrangementsMeasurement instrument housingElectrical connectionControl engineering
The application provides a cable GIS terminal type test device to construct a mechatronic test platform integrating self-shielding environment simulation, multi-posture working condition reproduction, self-adaptive electrical connection and built-in nondestructive testing. The device itself forms a Faraday cage effect by the metal cabin to replace a special shielding hall. The posture driving mechanism is used to realize safe switching of the terminal between horizontal and vertical working conditions. Through the sensor and self-adaptive electrical connection assembly, the comprehensive solution of efficiently and accurately completing the full item type test of the cable GIS terminal in the ordinary environment is realized.
Owner:TSINGHUA SHENZHEN INTERNATIONAL GRADUATE SCHOOL

A snap-fit ​​automotive lamp mounting structure that is easy to install and remove

This utility model discloses a snap-fit ​​automotive lamp mounting structure that facilitates assembly and disassembly, belonging to the field of automotive lamp mounting. The snap-fit ​​automotive lamp mounting structure includes a lamp body and a fixing ring. A fixing shell is fixed to the rear side of the lamp body. The fixing ring is fixedly connected to the vehicle frame. A positioning mechanism is provided on the fixing ring, and a docking seat is connected to the positioning mechanism. The positioning mechanism is used to rotate the docking seat and lock it. A connecting mechanism is provided inside the fixing shell, and a claw is provided on the connecting mechanism. The connecting mechanism is used to rotate and reset the claw. This utility model solves the problem that existing automotive lamp mounting structures are inconvenient to assemble and disassemble, and the clips are prone to breakage during assembly and disassembly. This utility model adopts a cooperative structure of claw and positioning seat, which allows the claw to be pre-released by rotating the positioning seat during assembly and disassembly, enabling the claw to slide out smoothly, thereby significantly reducing the resistance during assembly and disassembly.
Owner:JIANGSU ZHUOYI AUTOMOBILE CO LTD

A cable connection device for electrical engineering

The utility model relates to cable connection technical field, concretely is a kind of cable connection device for electric power engineering, comprising: connecting mechanism, including cable connection subassembly, and the sealing assembly being arranged in the both ends of cable connection subassembly;The cable connection subassembly includes two groups of connecting shell, two groups The connecting shell is mutually clamped, and the inner wall of two groups The connecting shell is provided with wiring part.The cable connection device for electric power engineering, at the both ends of connecting device, can realize the tight sealing of cable connection place, can effectively prevent the invasion of outside humid air, dust and chemical corrosive gas etc. in cable connection part, to avoid the insulation performance decline, short circuit and equipment failure etc. caused by these external factors, improve the stability and reliability of cable connection device in complex power engineering environment, guarantee the safe operation of electric power system, reduce the economic loss and security risk caused by poor sealing.
Owner:GUANGZHOU GUYUAN ELECTRIC POWER ENG DESIGNING CO LTD

Enhanced door seal of refrigerator

The utility model discloses an enhanced door seal of a refrigerator, which comprises the refrigerator, a refrigerator door hinged to one side of the refrigerator, a door seal arranged on the periphery of the inner side of the refrigerator door, a plurality of strong-sealing buckles arranged on the periphery of the door seal, a plurality of clamping grooves matched with the strong-sealing buckles arranged on the periphery of the refrigerator door, and a plurality of conical air bags arranged on the periphery of the refrigerator door. One side of the conical air bag is tightly connected with the door sealing strip, a spring is arranged in the conical air bag, an oval air bag is arranged on the outer surface of the conical air bag, vacuum is formed between the oval air bag and the conical air bag, and one side of the oval air bag is tightly connected with the door sealing strip. The spring is arranged in the conical air bag, so that when the refrigerator door is closed, the conical air bag can be extruded, the sealing performance of the door sealing strip is improved, the oval air bag is arranged on the outer surface of the conical air bag, vacuum is formed between the oval air bag and the conical air bag, and the sealing effect of the door sealing strip is further enhanced. And tight contact between the door seal and the refrigerator door is ensured.
Owner:JIANGSU HANDIAN ELECTRIC CO LTD

A cone valve shut-off device

PendingCN122590011ASolve the loss of tightnessRealize instant compensationCircular coneStructural engineering
The application relates to a cone valve stop device and belongs to the technical field of material conveying and stopping, which comprises a connecting frame, a driving assembly, a traction assembly, a sealing cap and an air bag. The driving assembly is slidably arranged on the connecting frame and located below a discharging pipe, and a driving part of the driving assembly is vertically movable; the traction assembly is used for driving the driving assembly to horizontally move to avoid the discharging path of the discharging pipe; the first side surface of the sealing cap is connected with the driving end, and the second side surface is a conical surface used for forming a conical surface seal with the discharging pipe opening; an embedded groove is formed in the first side surface of the sealing cap, and the air bag is arranged in the embedded groove; when the second side surface of the sealing cap is locally abraded, the abraded second side surface is inflated and tightly attached to the discharging pipe opening by inflating the air bag, so that the abrasion compensation and reliable sealing are realized. The application can compensate the abrasion of the sealing surface without replacing the driving part or the sealing cap, reduces the maintenance cost, prolongs the service life of the device, and ensures the sealing reliability under the high-cleanliness working condition.
Owner:BEIJING TIANLI PROCESS TECH

Automobile relay and mounting bracket

The utility model discloses a kind of automobile relay and mounting bracket, including inner shell and the shell of buckle fixed, the outer wall of the shell is also provided with two groups of arc buckle that can form three-point fixed with buckle, the top of the outer wall of the inner shell is between the top of shell inner chamber and is provided with the rotating structure that can adjust the angle of shell, the outer wall of the shell is provided with the positioning structure that can be positioned to adjusted shell;The utility model is by being provided with rotating structure, make the shell of buckle and arc buckle fixed can be rotated 360 degrees relative to the inner shell of fixed relay body.When the terminal connector position of relay bottom and automobile to be connected, such as the direction of wire harness socket, is not matched, without changing the position of relay body in inner shell or forcibly twisting wire harness, just need to rotate shell can adjust the direction of buckle and arc buckle, make it with the mounting hole on the body sheet metal accurate alignment, improve the adaptability of installation.
Owner:SHENZHEN MINGFENGQING HARDWARE PROD CO LTD

A heat dissipating conductive foam

The present invention discloses a heat dissipation conductive foam, comprising a foam body, and a conductive cloth wrapped on the outer surface of the foam body, the conductive cloth is coated with a conductive adhesive layer for bonding with an external device, the bottom surface of the foam body is evenly provided with cutouts, and memory alloy sheets are provided on both sides of the cutouts, and the memory alloy sheets are used to drive the foam body on both sides of the cutouts to deform. The heat dissipation conductive foam of the present invention is provided with a memory alloy sheet. When the heat accumulation on the surface of the device is too high, the heat will be transferred to the memory alloy sheet. The memory alloy sheet will restore the deformation after being heated, and then the deformation section will restore from a horizontal state to an inclined state. In this way, after the two deformation sections are deformed, the two first connecting parts and the second connecting parts form an inverted "V" shape, so that a heat dissipation channel is formed between the conductive cloth and the device, and the heat of the device can be dissipated to the outside air, which is conducive to the stable operation of the device.
Owner:SUZHOU WANHE ELECTRONICS CO LTD

Large-current manual maintenance switch with novel elastic sheet assembly structure

The invention discloses a large-current manual maintenance switch with a novel elastic piece assembly structure, and belongs to the technical field of connectors. The switch comprises a plug, a socket, a conductive copper bar which is arranged in the socket and is integrally punched and formed, a pressing rivet nut fixed on the copper bar, and a double-elastic-sheet structure which is pressed and riveted on the copper bar, through the integrated stamping structure, the production process is simplified, and the cost is greatly reduced; the mechanical reliability and the anti-vibration capability of connection are remarkably improved through the application of the pressing rivet nut; due to the optimized conductive path and the double-elastic-sheet contact design, low temperature rise and stable electrical connection are ensured when a large current passes through; according to the invention, the problems of high cost, poor connection reliability, high temperature rise and the like when an existing manual maintenance switch is used for coping with a high-voltage platform of 1000V and above are effectively solved, and the manual maintenance switch is suitable for a high-voltage power supply system of a next-generation electric automobile.
Owner:THE 40TH RES INST OF CHINA ELECTRONICS TECH GRP CORP

Motorcycle shock absorber with long service life

The utility model relates to the field of shock absorbers, in particular to a long-service-life motorcycle shock absorber which has the advantages of being simple and reasonable in structure and accurate in damping adjustment and comprises an installation base, a hydraulic cylinder, a sealing cover, a piston rod, a piston, a first spring, a first supporting base, a second supporting base, an air bag assembly and a damping adjustment assembly. The mounting seat comprises a first mounting part, a second mounting part and a connecting part for connecting the first mounting part and the second mounting part, a first mounting groove is formed in the first mounting part, and a second mounting groove and a third mounting groove communicated with the second mounting groove are formed in the second mounting part; the included angle between the central axis of the second mounting groove and the central axis of the third mounting groove ranges from 160 degrees to 178 degrees, a first notch is formed in the position, located on the peripheral side of the second mounting groove, of the second mounting part, the central axis of the first mounting groove is parallel to the central axis of the second mounting groove, and the first mounting groove is located on the upper side of the second mounting groove.
Owner:BOHAN QUANZHOU MACHINERY CO LTD

A high-strength screw

The utility model discloses a high strength screw, including screw head and with the screw head integrated moulding screw rod, the movable installation of screw rod has nut, is equipped with the installation groove on the nut, is equipped with the plug -in stick in the installation groove, the top of plug -in stick is equipped with antiskid pad, and the surface of antiskid pad is equipped with the anti -slip grain, be equipped with the limit structure on the lateral wall of nut, the transition of screw head and screw rod is provided with arc transition section. Screw head and screw rod adopt integrated moulding technology in the utility model, and the arc transition section of transition can effectively disperse stress, can bear greater load, through the limit structure, can be effectively limit fixed after the nut is tightened, prevents the nut from loosening because of vibration and other factors, guarantees the long -term reliability of connection.
Owner:OK TECH CO LTD

Bending-resistant multi-core optical cable for intelligent computing center and application

PendingCN121978811AStable and reliable optical performanceReduce signal degradationFibre mechanical structuresComputing centerHigh density
The invention discloses a bending-resistant multi-core optical cable for an intelligent computing center and application, the bending-resistant multi-core optical cable comprises a sheath layer and an optical fiber unit which is arranged in the sheath layer and is composed of a plurality of optical fibers, and a flexible reinforcing layer, a waterproof layer and a compression-resistant armored braid layer are sequentially arranged outside the optical fiber unit. According to the invention, the flexible reinforcing layer and the bending insensitive optical fiber are adopted, so that the optical performance of the optical cable is still stable and reliable under the conditions of complex wiring path and extremely small bending radius of an intelligent calculation center, and signal degradation and faults caused by bending are greatly reduced; structural groove design is carried out on the surface of the sheath layer, so that airflow circulation of a cable binding area can be effectively improved, the local temperature can be reduced in an auxiliary manner, and the heat dissipation efficiency and reliability of the whole infrastructure are improved; a physical optical cable is connected with a digital twin system through a built-in identification line, so that the core demands of an intelligent calculation center on asset management automation, operation and maintenance precision and efficiency maximization are met, and a basic support is provided for realizing an intelligent calculation center operation and maintenance mode of unattended operation or few-person routing inspection; and high density and high reliability are both considered.
Owner:HENGTONG OPTIC ELECTRIC CO LTD +1

A three-dimensional displacement high-precision monitoring method based on a Beidou carrier phase

This invention discloses a high-precision three-dimensional displacement monitoring method based on BeiDou carrier phase, belonging to the field of satellite positioning and surveying technology. It includes simultaneously acquiring multi-source datasets from a monitoring station and at least one reference station; real-time calculation of the error propagation control factor; dynamic filtering and weight pre-allocation of the raw BeiDou carrier phase observation data from the monitoring station; collaborative calculation based on the error propagation control factor to generate intermediate displacement estimates; using the error propagation control factor for spatiotemporal displacement prediction; filtering the intermediate displacement estimate sequence to output a reliable three-dimensional displacement sequence; and feedback optimization of the error propagation control factor calculation process using auxiliary sensor data. By dynamically filtering, weighting, and collaboratively calculating the observation data through real-time calculation of the error propagation control factor, and performing feedback optimization based on the calculation results, it is possible to achieve proactive control and adaptive adjustment of monitoring errors, improving the accuracy and reliability of monitoring results.
Owner:STATE GRID XINYUAN GRP CO LTD +2