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134 results about "Protective capacity" patented technology
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Silicon controlled rectifier and manufacturing method thereof
InactiveCN101728428ALower the trigger voltage valueImprove the protective effectThyristorSemiconductor/solid-state device manufacturingSilicon-controlled rectifierProtective capacity
The invention discloses a silicon controlled rectifier and a manufacturing method thereof. The silicon controlled rectifier comprises a semiconductor substrate, a first P+ doped region, a first N+ doped region, a second P+ doped region, a second N+ doped region, a third P+ doped region or a third N+ doped region, a fourth P+ doped region or a fourth N+ doped region, wherein an N well and a P well are positioned above the semiconductor substrate; the first P+ doped region and the first N+ doped region are formed in the N well; the second P+ doped region and the second N+ doped region are formed in the P well; the third P+ doped region or the third N+ doped region is formed at the bonding position of the N well and the P well; and the fourth P+ doped region or the fourth N+ doped region is formed below the third P+ doped region or the third N+ doped region and in the N well or the P well. The invention has the advantages that the trigger voltage value of an SCR structure can be greatly decreased, thereby improving the integral protective capacity of an ESD; the trigger voltage value of a new SCR structure can be regulated according to the different requirements of a designer, so that the ESD can exert the optimal protective capacity in different circuit designs; and under the same ESD protection requirements, the area can be saved, thereby lowering the design cost.
Owner:HEJIAN TECH SUZHOU
High-order coded modulation method based on low density check code
InactiveCN101043483AReduce bit error rateError correction/detection using LDPC codesError correction/detection using multiple parity bitsComputer hardwareSignal-to-noise ratio (imaging)
The high-order code modulating method based on LDPC code comprises: mapping the bit with lower / higher protective capacity in LDPC code to the strong / weak bit with lower / higher error in high-order modulation; specially, mapping the bit with least coincident code in LDPC into the strongest bit in high-order modulation. This invention can improve bit error rate performance in high SNR internal.
Owner:PANASONIC CORP
High-voltage ESD protective device with dual latch-up resistance and of annular LDMOS-SCR structure
ActiveCN103681660AImprove pressure resistanceLower on-resistanceSolid-state devicesSemiconductor devicesLDMOSHemt circuits
The invention discloses a high-voltage ESD protective device with dual latch-up resistance and of an annular LDMOS-SCR structure. The high-voltage ESD protective device with the dual latch-up resistance and of the annular LDMOS-SCR structure can be applied to an on-chip IC. The high-voltage ESD protective device with the dual latch-up resistance and of the annular LDMOS-SCR structure comprises a P type substrate, an N type buried layer, a first P trap, a first N trap, a second P trap, a P adulterant, a second N trap, a third P trap, an isolation area, a first P+, a first N+, a second N+, a second P+, a third N+, a third P+, a fourth N+, a fourth P+, a fifth N+, a sixth N+, a fifth P+, a metal anode and a metal cathode, wherein a Zener breakdown ESD current discharging path is formed by the second N+, the second P+, the first N+ and the first P+ or by the fourth P+, the fifth N+, the sixth N+ and the fifth P+. According to the high-voltage ESD protective device with the dual latch-up resistance and of an annular LDMOS-SCR structure, the ESD robustness of the device can be improved, the maintaining voltage can be improved, and the trigger voltage can be reduced; due to the design of the annular layout of the LDMOS-SCR structure, the on resistance can be reduced, and the maintaining current can be improved; the ESD protective capacity of the dual latch-up resistance is achieved.
Owner:NANTONG JIANGHUA MASCH CO LTD
Production process for radiation-preventing polyamide yarns
InactiveCN104695032AImprove performanceFeel goodArtificial thread manufacturing machinesArtifical filament manufactureYarnHigh energy
The invention discloses a production process for radiation-preventing polyamide yarns. The production process comprises the steps of raw material processing, drying, POY (pre-oriented yarn) preparation, DTY (draw texturing yarn) preparation, silver fiber preparation as well as grading and packaging. An antioxidant, an anti-electrostatic agent and an anti-ultraviolet aid are added in raw materials, so that the performance of finished polyamide fibers 66 is improved; nano-silver ions not only are attached on the surfaces of the polyamide yarns but also penetrate the polyamide yarns by utilizing a nano-silver ion vacuum high-energy-density beam electroplating technology; two fibers have good conductivity, so that a radiation-preventing effect can be achieved; nano-silver ions further have very good antibacterial performance, so that the produced polyamide yarns have antibacterial and radiation-preventing effects and are relatively good in protective capacity, breathable, washable and lasting in antibacterial and radiation-preventing performance; a production process from POY to DTY is used, so that the bulkiness and good elasticity of the polyamide yarns are kept, the compactness of filaments is enhanced, and the hand feel and comfort of a finished product are effectively improved.
Owner:ZHEJIANG YINAN FIBER TECH
Computer CPU transportation fixing device with high protective capability
InactiveCN107458729ATo achieve the purpose of shock absorptionReduce shockContainers to prevent mechanical damageExternal fittingsFixed frameEngineering
The invention discloses a computer CPU transportation fixing device with high protective capability and relates to the field of related technologies of computers. The computer CPU transportation fixing device comprises an outer frame. A spring rod is fixedly connected to the bottom of the inner wall of the outer frame. The top end of the spring rod is fixedly connected with a cross plate. The two sides of the bottom of the cross plate both are fixedly connected with buffer devices. The two sides of the top of the cross plate both are fixedly connected with fixing devices. The top of a bottom frame is fixedly connected with the bottom of the cross plate. Sliding heads are slidably connected to the surface of the bottom frame. One side of each sliding head is rotationally connected with a connecting rod. One end of each connecting rod is rotationally connected with a base. The bottoms of the bases are fixedly connected with the bottom of the inner wall of the outer frame. The bottoms of fixing frames are fixedly connected with the top of the cross plate. By the adoption of the computer CPU transportation fixing device with the high protective capacity, the purposes of buffering and damping of CPUs are achieved, the impact on the CPUs in the transportation process is reduced, the CPUs are protected, the CPUs are prevented from being damaged and prevented from colliding with each other, the CPUs are more comprehensively protected, and the property loss is avoided.
Owner:合肥宁致企业服务有限公司
Active lactobacillus or probiotics heat and convective drying protective agent and preparation method thereof
The present invention relates to an active lactobacillus or probiotics heat and convective drying protective agent a and preparation method thereof, the drying protective agent is applied to lactobacillus or probiotics dairy products, according to the method, by increasing of calcium ions in milk, milk protein thermal aggregation is produced, and with help of high pressure, stirring and other manners, milk containing aggregated protein can be homogenized to obtain the final protective agent. The preparation method of the protective agent is simple in operation; compared with the untreated milk, the drying efficiency of the milk added with the protective agent is higher, the operation concentration of the milk or addition of other synergistic protective agent can be avoided, the cost of production can be effectively saved; at the same time, the lactobacillus or probiotics heat protection capacity and convective drying protective capacity of the drying protective agent are increased significantly.
Owner:NANTONG EAST CONCEPT NEW MATERIAL CO LTD
Non-equal multi-user high order modulation approach
The non-uniform multi-user high-order modulating method comprises: coding and interlacing the source data from different user to generate multiple sequence; according to feedback user channel state, ordering users; according to protective capacity level, ordering signal bit in the modulation symbol; then, according to former symbol bit number and user number, dividing both the symbol bit and user into one-to-one correspondence bit set and user set; matching and multiplexing the interlace code data sequence with good / poor channel state to the symbol bit set with weak / strong protective capacity, respectively; forming a modulation symbol by parallel symbol bits to generate modulation symbol sequence; and accessing multiple-address to the modulation symbol sequence to generate multiple access transmission data sequence.
Owner:PANASONIC CORP
Moving target protection method based on operating system fingerprint jumping
InactiveCN104519068AImprove the protective effectAvoid retrofit costsTransmissionOperational systemProtective capacity
The invention relates to a moving target protection method based on operating system fingerprint jumping. According to the method, protection is carried out in view of scanning tools used by an attacker, pointed fingerprint jumping is carried out by utilizing an operating system feature library of the scanning tools, and identification and fingerprint feature disguise for attack scanning behaviors are realized, so that the attacker cannot correctly obtain specific information of an operating system to be attacked, and then the next step of attack behavior cannot be carried out to realize network protection. In order to improve the complexity of the operating system, pointed jumping is carried out for an attacker scanning technology, the external attacker cannot obtain the specific information of an information system inside the network by deploying the technological means on an outlet network, so that the original information of the user does not need to change, and the improvement cost is avoided; meanwhile, the attacker cannot correctly obtain the information of the operating system inside the network and also cannot correctly adopt an appropriate attack method, and then the protective capacity of the information system is improved.
Owner:赵卫伟
Method of antigen incorporation into neisseria bacterial outer membrane vesicles and resulting vaccine formulations
InactiveUS20070166333A1Quality improvementImmune responseBacteriaDepsipeptidesEtiologyBacterial virus
Method for the insertion of protein antigens, of recombinant or synthetic origin, in outer membrane vesicles of Gram-negative bacteria without disruption of the vesicle structure, therefore maintaining the immunogenicity and immunostimulatory properties of said vesicles, and with the reported advantage that the immune response generated against the incorporated antigen is superior to the one generated when the antigen is administered alone. The resultant vaccine formulations are useful to increase protective capacity of existing vaccines and allow to extend it against different pathogens, in diseases of bacterial, viral, cancerous or other etiology. The referred formulations are applicable in the pharmaceutical industry as vaccines for therapeutic and preventive use in humans.
Owner:CENT DE ING GENETICA & BIOTECNOLOGIA
Bidirectional and symmetrical high-speed overvoltage protective device
ActiveCN103258815APositive and negative discharge capacity balanceImprove the protective effectSemiconductor/solid-state device detailsSolid-state devicesOvervoltageProtective capacity
The invention provides a semiconductor integrated overvoltage protective device. The integrated overvoltage protective device comprises an NPN transistor, an NPNP thyristor combination, a PNP transistor and a PNPN thyristor combination, wherein the NPNP thyristor combination is controlled by the NPN transistor, the PNPN thyristor combination is controlled by the PNP transistor, the base electrode of the NPN transistor serves as a negative overvoltage reference electric potential port G- of the device, the base electrode of the PNP transistor serves as a positive overvoltage reference electric potential port G+ of the device, the anode of an NPNP thyristor is connected with the cathode of the PNPN thyristor to serve as a grounding port A of the device, and the cathode of the NPNP thyristor is connected with the anode of the PNPN thyristor to serve as an access port K of the device. The semiconductor integrated overvoltage protective device has the advantages that the positive overvoltage protective capacity and the negative overvoltage protective capacity are even, the current discharging speed is high, and the device is bidirectional and symmetrical.
Owner:BEIJING YANDONG MICROELECTRONICS +1
High-permeability oil and gas reservoir drilling and completion fluid protective capability mine field evaluating device
ActiveCN105891425ARealize timely trackingSolve the problem of insufficient protection performance evaluationMaterial analysisEngineeringNitrogen gas
The invention relates to a high-permeability oil and gas reservoir drilling and completion fluid protective capability mine field evaluating device in the oil and gas industry. The device mainly comprises a barrel, a plunger, a motor, a rotary blade, a sealing sleeve, a standard core, a pressure sensor, a fluid outlet and inlet switch, a high pressure nitrogen gas cylinder, a pressure reduction valve, a rock sample steel base, a connection pipeline, a computer and a clamping device base. In the drilling and completion fluid damage evaluation process, fluid pressure provides confining pressure for a rock sample, the drilling and completion fluid volume is a constant value, and the rock sample is prepared from target stratum outcrop. The rock sample of reservoir rock is damaged in a constant-pressure mode, and the rock sample gas log permeability damage degree is rapidly evaluated by monitoring the attenuation process of gas pressure in the barrel. The principle is reliable, operation is simple, and the gap of the high-permeability oil and gas reservoir drilling and completion fluid dynamic damage evaluating device for a mine field is filled. Drilling and completion fluid reservoir protective capacity evaluating device miniaturization is achieved, and conditions are provided for instant, timely and simple drilling and completion fluid protective capability evaluation of the mind field.
Owner:SOUTHWEST PETROLEUM UNIV
Multimedia teaching platform
The invention discloses a multimedia teaching platform which comprises support legs. A platform tank is fixedly connected with the upper surfaces of the support legs, a first fixing plate is fixedly connected with the inner wall of the platform tank, a first bearing is fixedly connected with the inner wall of the platform tank, a first rotary shaft is fixedly connected with an inner circle of thefirst bearing, a toothed disc is fixedly connected with an end of the first rotary shaft, and a threaded pipe is fixedly connected with the upper surface of the toothed disc. The multimedia teaching platform has the advantages that a second threaded rod can clockwise rotate in service procedures, so that rollers can be driven by connecting discs to downwardly move to lift the platform tank, the support legs can be separated from the platform tank, and movement can be facilitated; the lower half portion of a computer integrated machine can be prevented from being inclined to damage the computerintegrated machine when the computer integrated machine slides into first slide grooves, the computer integrated machine protective capacity can be improved, and accordingly the problems of single function, complicated operation and deficiency of damage prevention of an existing multimedia teaching platform can be solved.
Owner:郑艳峰
Anti-exploding boots
InactiveCN103099386AImprove the protective effectReduce weightSolesHeelsShock waveThermoplastic polyurethane
The invention discloses a pair of anti-exploding boots. Each anti-exploding boot is composed of an upper and a boot sole, wherein the boot sole is composed of an outer abrasion resistant layer, a middle anti-fragmenting layer and an inner boot lining layer sequentially from outside to inside, the outer abrasion resistant layer is of a dual-density structure which is formed by a rubber abrasion resistant layer and a thermoplastic polyurethane (TPU) layer, the middle anti-fragmenting layer comprises a composite anti-pricking layer, a front sole protection plastic steel plate is arranged between the portion, corresponding to the front sole, of the composite anti-pricking layer and the portion, corresponding to the front sole, of the TPU layer, a heel protection plastic steel plate is arranged between the portion, corresponding to the heel, of the composite anti-pricking layer and the portion, corresponding to the heel, of the TPU layer, and the inner boot lining layer comprises a polyurethane layer and an aramid fiber cloth layer from up to down. Due to the fact that the front sole protection plastic steel plates and the heel protection plastic steel plates are arranged on the boot soles and plastic steel wrapped heads are arranged on the tiptoes of the uppers, the anti-exploding boots are strong in protective capacity, light in weight, convenient to wear and good in applicability, have characteristics of sneakers, and can effectively stop and weaken shock waves and fragments generated by an explosion. The anti-exploding boots are suitable for being used as protective devices of an individual soldier and also suitable for being used for special operation by such people as exploder clearing experts.
Owner:JIHUA 3515 LEATHER & SHOES
Fireproof polystyrene thermal-insulation layer material
InactiveCN104277350AImprove flame retardant performanceGood fire and heat insulationCelluloseCrack resistance
The invention relates to a fireproof polystyrene thermal-insulation layer material. The fireproof polystyrene thermal-insulation layer material comprises the following components in parts by weight: 115 parts of polystyrene, 10 parts of polyvinyl alcohol, 2 parts of antimonous oxide, 5 parts of a magnesium hydroxide flame retardant, 10 parts of polystyrene, 34 parts of kaolin, 4 parts of zinc borate, 3 parts of polypropylene cellulose, 3 parts of phthalate, 4 parts of a brominated flame retardant and 2 parts of polytetrafluoroethylene. Polystyrene foam disclosed by the invention has very scarce and excellent flame retardant effects and remarkable fireproof and heat insulation effects, can be used for effectively preventing a polystyrene thermal-insulation board from heat shrinkage at an early stage, can prevent and delay the combustion of the polystyrene thermal-insulation board. Moreover, the fireproof polystyrene thermal-insulation layer material has excellent mechanical performance, high mechanical strength and strong crack resistance, can be used for improving the interface protective capacity and reducing the damage degree of the thermal-insulation layer.
Owner:QINGDAO HI TECH PATENT TECH TRANSFER PLATFORM
Composite shock absorber with sacrifice structure
ActiveCN107575530AReduce volumeReduce weightNon-rotating vibration suppressionEngineeringRandom vibration
The invention relates to a composite shock absorber structure with a sacrifice structure. The composite shock absorber structure with the sacrifice structure is characterized by comprising a shell structure, a shock absorbing support and the sacrifice structure; the shock absorbing support is arranged in the shell structure, and is used for supporting a protected assembly; the sacrifice structureis arranged between the bottom end of the protected assembly and the shell structure; and after bearing the axial high impacting overload, the sacrifice structure generates plastic deformation. The shock absorber structure has the beneficial effects of being small in size and small in weight, has the filtering capacity on random vibration such as a common shock absorber, also has certain one-timesuper-high overload protecting cavity, and is mainly applicable to application of mechanical sensitive systems on a missile-borne IMU or other missile-borne platforms.
Owner:BEIJING MXTRONICS CORP +1
Superconducting wire and its preparation method
InactiveCN1461014AImprove corrosion resistanceImprove stain resistanceSuperconductors/hyperconductorsSuperconductor devicesHigh-temperature superconductivityAlloy
The present invention relates to a high-temp. superconducting conducting wire and its preparation method. It contains superconducting core and silver or silver alloy base body for covering said superconducting core, and the exterior of said base body also is coated with a layer or several layers of covering layer so as to raise its protective capacity.
Owner:INNOVA SUPERCONDUCTOR TECH
Method for characterizing the oxidative stress protective capacity of an antioxidative substance
InactiveUS20060171886A1Protect the skinPrevent skinCosmetic preparationsData processing applicationsOxidative stressOxidation resistant
Owner:PCR TECH HLDG LC
Self-ventilation motor fan housing capable of enhancing capacities of heat dissipation and protection
InactiveCN103138455AAvoid enteringHas a diversion effectSupports/enclosures/casingsFailure rateWater leakage
The invention provides a self-ventilation motor fan housing capable of enhancing the capacities of heat dissipation and protection and resolves the problems that an existing self-ventilation motor is poor in protective capability of an air inlet-outlet and low in reliability when temperature rise of the motor is overhigh. The self-ventilation motor fan housing capable of enhancing the capacities of the heat dissipation and the protection comprises a fan housing body which is arranged on the air inlet-outlet of the motor, the fan housing body comprises a shell body, an arch-shaped plate is arranged at the upper end of the shell body, wherein a hole is formed in the middle of the arch-shaped plate, the arch-shaped plate is connected with an outer shell of the motor in a matched mode, a plurality of louver-type wind plates are arranged on the front side and the back side of the shell body, air ports are formed in the lower portions of the plurality of louver-type wind plates, and a water leakage hole is formed in the bottom of the shell body. The self-ventilation motor fan housing capable of enhancing the capacities of the heat dissipation and the protection is reasonable and reliable in structural design and capable of improving cooling effect, meanwhile, the motor is good in the protective capacity, high in reliability and low in a failure rate. Due to the fact that the temperature rise of the motor is lowered, the core length of an effective part of the motor can be reduced, the size is reduced, the weight is reduced, cost is lowered, the demands for low-floor and light weight of the motor of users can be satisfied.
Owner:CRRC YONGJI ELECTRIC CO LTD
Decorative protective coating and synthetic method thereof
InactiveCN101298392AHigh hardnessImprove scratch resistanceVacuum evaporation coatingSputtering coatingGas phaseNitrogen
The invention discloses a decorative and protective coating that can be used for a electronic product and / or a metal shell. The coating is black in color and is mainly composed of three elements: silicon, carbon and nitrogen or four elements: titanium, silicon, carbon and nitrogen. The atomic percentage is respectively: 35-43% of silicon, 20-27% of carbon, 45-30% of nitrogen or 15-27% of titanium, 40-30% of silicon, 25-13% of carbon and 20-30% of nitrogen; the coating thickness is 1.0-8.0Mum; the microhardness HV(0.020) of the coating with the thickness being more than 2.0Mum is greater than or equal to 30 Gpa. The coating can be synthesized by a low-pressure vapor deposition method, the sputtering or arc ion plating method can be adopted to obtain the ingredients with the corresponding ratio, a mass flowmeter can be used for regulating the flow of the reactant gases to control the relative content of the nitrogen and / or carbon so as to obtain a black silicon- carbon- nitrogen or titanium- silicon- carbon- nitrogen coating and in this way the color and the performance of the coating can be controlled. The coating has high rigidity, strong color alternation resistance and good decorative and protective capacity.
Owner:BEIJING POWERTECH +1
Packing structure
InactiveCN101342976AImprove protectionIncrease load rateRemovable lids/coversContainers to prevent mechanical damageSplit ringClassical mechanics
Disclosed is a packing structure used for loading a glass substrate plate, which comprises a bottom layer box body, at least a middle layer box body, at least an annular enclosing sleeve and an upper cover. The bottom layer box body is provided with a first lateral wall which surrounds a first opening and a first clamp element arranged on the first lateral wall. The middle layer box body is provided with a second lateral wall which surrounds a second opening. The bottom part of the middle layer box body is arranged on the first lateral wall and covers the first opening. The annular enclosing sleeve is sleeved connection with the second lateral wall and part of the periphery of the first lateral wall; the two opening ends of the annular enclosing sleeve are respectively provided with a second clamp element and a third clamp element; the second clamp element is in clamp joint with the first clamp element; the upper cover is arranged on the second lateral wall and covers the second opening. The upper cover is provided with a forth clamp element used for clamping joint with the third clamp element. The packing structure enables the users to change the number of the middle layer box bodies for stacking, maintains the protective capability for the loaded objects, improves the loading rate and realizes the purpose of reducing the transport cost.
Owner:AU OPTRONICS CORP
ESD (Electrostatic Discharge) protective circuit
ActiveCN102034809AImprove protectionLower the trigger voltageSemiconductor/solid-state device detailsSolid-state devicesUnit sizeLow voltage
The invention relates to an ESD (Electrostatic Discharge) protective circuit, which comprises an N-well contact arranged around a PMOS (P-channel Metal Oxide Semiconductor) tube and a P-well contact arranged around an NMOS (N-channel Metal Oxide Semiconductor) tube. A P+ and an N+ are inserted respectively between the N-well and P-well contacts. The N-well contact, P+, N+ and P-well contact form an SCR tube. The ESD protective capacity in unit size of the SCR is greater than that of the MOS tube. The reverse breakdown voltage of a grid diode at the junction of a drain and a grid of the NMOS tube of the circuit is lower so the drain with ESD impulse can generate drain current by means of reverse breakdown under lower voltage so that the base-emitter of a T2 of the SCR is positively biased, the T2 is conducted and finally the whole SCR structure is conducted. The triggering voltage of the ESD protective circuit is low and the protective capacity is far stronger than that of the single MOS tube once the SCR can be triggered and conducted.
Owner:STATE GRID CORP OF CHINA +2
Outward extending end plate joint
PendingCN107083807AEnsure safetyGuaranteed integrityBuilding constructionsHeat-affected zoneSteel columns
Owner:CHONGQING UNIV
Protective shell for lithium battery cell and use method thereof
ActiveCN112886131APlay the role of auxiliary fixationIngenious structureCell component detailsEngineeringProtective capacity
The invention relates to the technical field of power supply energy storage, in particular to a protective shell for a lithium battery cell and a use method thereof. The invention aims to solve the technical problems of general protection capability, small application range and inconvenient replacement of a battery cell. In order to solve the technical problems, the protective shell for the lithium battery cell and the using method of the protective shell are provided, the protective shell is composed of a base, a limiting mechanism and a fixing mechanism, after a first fixing base is sleeved with the protective shell, the battery cell can eject a second fixing base upwards, under the action of a second spring, a second fixing base can press the battery cell, therefore, fixation is performed; the protective shell is ingenious in structure, a baffle is installed on the protective shell, then a fixing strip slides downwards, then the baffle is fixed through a positioning bolt on a fixing plate and a positioning pin on a limiting plate, when the battery cell needs to be replaced, the baffle is detached, then a fixing bolt on an auxiliary fixing frame is unscrewed, then the auxiliary fixing frame slides, and then the battery cell is taken down for replacement.
Owner:浙江快驴科技有限公司
Multi-component toughened bionic structural armor and preparation method thereof
ActiveCN108372692ATroubleshoot macro interface issuesImprove the protective effectMetal layered productsFiber-reinforced compositeResin-Based Composite
The invention relates to a multi-component toughened bionic structural armor and a preparation method thereof. The armor is of three-layer composite structure, specifically, the upper layer and the lower layer of the structure refer to mixed arranged layers of ultra-hard intermetallic compound layer and fiber-reinforced composite layer, and the middle layer refers to an energy-absorbing and vibration-reducing layer formed by filling titanium honeycomb structure with high-elasticity resin-based composite material. Further, the upper layer and the lower layer are prepared by the steps of sequentially laminating titanium foil, aluminum foil, titanium foil, fiber-reinforced composite layer, titanium foil layer by layer sequentially gradually to obtain a preform and then sintering the preform;the armor is prepared by composing the upper layer and the lower layer with the titanium honeycomb structure, and then filling the titanium honeycomb structure with the energy-absorbing and vibration-reducing composite material. Since the rigid restraint structure that multiple material systems are utilized to achieve composition of toughness and hardness, similar materials are utilized as a matrix, and the honeycomb structure is filled with the energy-absorbing and vibration-reducing resin-based composite material is utilized, scientificity of the integral structure is guaranteed while the problem of difficulty in composition of heterogeneous materials is solved and protective capacity of the armor is improved.
Owner:AVIC BEIJING AERONAUTICAL MFG TECH RES INST
Electrostatic discharge protective structure with bidirectional protective capacity
ActiveCN104022111ANormal work will not affectRealize withstand voltageSolid-state devicesSemiconductor devicesHemt circuitsEngineering
An electrostatic discharge protective structure with the bidirectional protective capacity comprises a P-type substrate, an N-type well region, a first P-type heavily doped region, a second P-type heavily doped region, a first N-type heavily doped region, a second N-type heavily doped region, a third N-type heavily doped region, a fourth N-type heavily doped region, a first field oxide layer, a second field oxide layer, a third field oxide layer, a fourth field oxide layer and a grid oxide layer, a grid polycrystalline silicon layer, a first metal layer, a second metal layer, a third metal layer, a fourth metal layer, a fifth metal layer and a metal layer II. The electrostatic discharge protective structure has voltage resistance both in the positive and the negative directions. It is guaranteed that the structure will not affect the normal work of an internal circuit, the structure can provide electrostatic discharge current relief paths in the positive and the negative directions when meeting electrostatic discharge pulses, the purpose of electrostatic discharge protection is achieved, and the electrostatic discharge protective structure with the bidirectional protective capacity can be applied to an integrated circuit needing bidirectional electrostatic discharge protection.
Owner:SOUTHEAST UNIV
Automatic guided vehicle (AGV) convenient for transporting
PendingCN109573889ASimple structureReasonable designSafety devices for lifting equipmentsNon-rotating vibration suppressionHydraulic cylinderDrive motor
The invention relates to an automatic guided vehicle (AGV) convenient for transporting. The AGV convenient for transporting includes a vehicle body, the vehicle body is provided with a placing trough,a cylindrical trough is formed in the bottom of the placing trough, a hydraulic cylinder is arranged in the cylindrical trough, the top of the hydraulic cylinder is fixedly connected with a placing plate, concave grooves are formed in the placing plate, sliding grooves are formed in the inner wall of the placing trough, the sliding grooves are connected with the placing plate through sliding blocks, sliding rails are arranged on the two sides of the placing trough, the sliding rails are arranged on the vehicle body and movably connected with a movable cover plate, racks are arranged at the bottom of the movable cover plate and connected with a gear in a meshed mode, the gear is fixedly connected with a rotary rod, one end of the rotary rod is connected with a driving motor, and the driving motor is arranged in the vehicle body. According to the AGV convenient for transporting, the protective capacity for transported objects is improved, the transported objects are effectively prevented from sliding down or being damaged during transporting, the anti-collision capacity of the AGV is improved, and the self-protecting capacity of the AGV is effectively improved.
Owner:苏州兄友智能科技有限公司
Machine joint protection device
InactiveCN109316692AHinder normal walkingImprove crash performanceFire rescueSlide plateProtective capacity
The invention discloses a machine joint protection device. The machine joint protection device comprises a crawler-type mechanical chassis; one side of the crawler-type mechanical chassis is slidablyconnected with one side of a slide plate and fixedly connected with one side of a first fixed plate through a plurality of damping springs; the two sides of the crawler-type mechanical chassis are fixedly connected with one sides of two second fixed plates through a plurality of damping springs; the top end of the crawler-type mechanical chassis is fixedly connected with the four corners of the bottom end of a covering block through four hydraulic rods; and the bottom ends of the two sides of the covering block are fixedly connected with the two sides of the top end of the crawler-type mechanical chassis through a plurality of extension springs. According to the machine joint protection device, the bottom end of the covering block is fixedly connected with the top end of the crawler-type mechanical chassis through the four hydraulic rods, the situation that a fire fighting machine is damaged by heavy objects falling from the top of the fire fighting machine or by collapse, and normal working of the fire fighting machine is influenced can be prevented through the covering block, and the protective capacity of the fire fighting machine is improved.
Owner:常州市邹区蔬菜产业发展有限公司
Geological profile measuring device
InactiveCN112097737AAvoid squeezingAvoid collision damageSurveying instrumentsHeight/levelling measurementClassical mechanicsGeological survey
The invention discloses a geological profile measuring device, relates to the technical field of geological survey, and solves the problems that an existing total station prism is not supported stablyin use, occupies a large space and is liable to be damaged due to collision and the like in a prism carrying process. The geological profile measuring device comprises a telescopic support rod, wherein the lower portion of the telescopic supporting rod is slidably connected with a set of sliding adjusting bases; three sets of swing push rods are hinged to the lower portion of the sliding adjusting base in a circumferential array arrangement mode. A group of adjusting connecting rods are hinged to the rear end surfaces of each group of upper and lower protective covers; and the two groups of adjusting connecting rods are connected through a group of adjusting operating rods. Folding and unfolding of the telescopic installation ground feet are achieved, and an occupied space is reduced; meanwhile, the supporting capacity is high, supporting is uniform, supporting stability is guaranteed, the operation is easy, the prism body is protected against extrusion and collision damage in the transportation process, the good protection capacity is achieved, and use and operation are convenient.
Owner:戴兴
System overvoltage suppression device
InactiveCN104953578ARemove protectionSuppression of spike overvoltageEmergency protective arrangements for limiting excess voltage/currentOvervoltageElectric power system
The invention provides a system overvoltage suppression device, and relates to the technical field of power system overvoltage absorption. The system overvoltage suppression device comprises a high-voltage current-limiting fuse, a voltage transformer, a high-capacity overvoltage adsorber, a high-voltage fuse, an intelligent harmonic elimination switch and a microcomputer integrated protection device, wherein one end of the high-voltage current-limiting fuse and one end of the high-voltage fuse are separately connected with a high-voltage isolation switch; the other end of the high-voltage current-limiting fuse is connected with one end of the high-capacity overvoltage adsorber; the other end of the high-capacity overvoltage adsorber is grounded; the other end of the high-voltage fuse is connected with the voltage transformer; the voltage transformer is connected with the intelligent harmonic elimination switch and the microcomputer integrated protection device separately; the microcomputer integrated protection device is further connected with the intelligent harmonic elimination switch; the intelligent harmonic elimination switch is grounded. The system overvoltage suppression device provided by the invention can replace a voltage transformer cabinet, improve the detection capacity, the measurement capacity, the protective capacity and the protected capacity of the voltage transformer cabinet and suppress system peak overvoltage, is low in residual voltage value, and can realize harmonic elimination accurately and quickly.
Owner:HEFEI SETSAIL TELECOM
Apparatus, system and methods for structural exerior wall panel building systems
PendingUS20210115675A1Fast constructionImprove protectionConstruction materialCovering/liningsConstruction engineeringArchitectural engineering
An exterior wall panel apparatus and system is disclosed which assists in the rapid construction of manufactured homes and commercial buildings, and which replaces traditional building materials with a full composite system and materials, to extend and increase the protective capabilities of traditional residential, industrial and commercial structures
Owner:NORTHSTAR TECH GRP INC
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