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281results about How to "Improve the protective effect" patented technology

Micro-mechanical CMOS (complementary metal oxide semiconductor) thermopile infrared temperature sensor

The invention relates to a micro-mechanical CMOS (complementary metal oxide semiconductor) thermopile infrared temperature sensor which is characterized by adopting a bridge type structure and comprising a silicon substrate and a microbridge arranged on the silicon substrate, wherein a thermopile hot end is positioned in the microbridge central area, and a cold end is positioned above a heat sink of the silicon substrate; a sensor photosensitive area of the microbridge central area is suspended above a cavity formed by etching the silicon substrate; the microbridge comprises a support layer, an Al-Si (aluminum-silicon) thermocouple and a passivation layer, wherein the support layer is made from a silicon oxide film and a silicon nitride film which are sequentially arranged from inside to outside, the Al-Si thermocouple is made from the doped polysilicon and an Al film, and the passivation layer is made from silicon nitride; the outer surface of the sensor photosensitive area of the microbridge is provided with an infrared absorption layer; an isolation medium layer is arranged between the doped polysilicon and the Al film; and an etching hole is arranged on the microbridge. The invention has the beneficial effects that: the sensor can be processed and manufactured on a CMOS integrated circuit instead of a factory; the development of a special material and a manufacturing method for the devices is not needed; the method has good generality; large-scale batch production is convenient; and the device cost is low. Moreover, the sensor release is realized by the front photoetching and dry plasma etching technology; and the method has good stability and perfect controllability, and ensures high device yield.
Owner:YANTAI RAYTRON TECH

PoE port overvoltage comprehensive protection circuit and method for realizing same

The invention discloses a Power over Ethernet (PoE) port overvoltage comprehensive protection circuit and a method for realizing the circuit. The PoE port overvoltage comprehensive protection circuit comprises two-stage protection circuits, wherein the first-stage protection circuit adopts a triode gas discharge tube and is used for discharging lightning stroke current to the ground; the second-stage protection circuit adopts a clamp type overvoltage protection device and is used for carrying out first-stage residual voltage and electrostatic protection; a resistor and common-mode inductor combination circuit is adopted between the first-stage protection circuit and the second-stage protection circuit and is used for coordinating performance characteristics among the two-stage protection circuits and the device so as to achieve the effect of decoupling between the first-stage protection circuit and the second-stage protection circuit. Owing to the PoE port overvoltage comprehensive protection circuit, the balance of protection circuits can be enhanced and the amplitude and energy for conversion from common-mode overvoltage to differential-mode overvoltage can be reduced so as to improve the protection effect.
Owner:FENGHUO COMM SCI & TECH CO LTD

Novel protection device for power communication equipment

The invention belongs to the technical field of electric power communication, and particularly relates to a novel protection device for power communication equipment. The novel protection device for the power communication equipment aims to solve the problems that an existing power communication equipment is easily damaged in the working process after being installed, the explanation is that protection measures are not in place, and the damage of the power communication equipment not only influences the normal work of power communication, but also has potential safety hazards. According to thetechnical scheme, the novel protection device for the power communication equipment comprises a fixed base, damping springs are fixedly connected to the outer wall of the top of the fixed base at equal distances, and the outer walls of the tops of the damping springs are fixedly connected with the same supporting plate. Through the arrangement of a sliding groove, a sliding block, a protection plate and a hydraulic rod, after the power communication equipment is installed, the hydraulic rod is adjusted to drive the sliding block to slide on the inner wall of the sliding groove, so that the protection plate is driven to carry out position adjustment, the protection plate is located at the weakest point of the power communication equipment, a good protection effect is achieved on the powercommunication equipment in work, and the power communication equipment is protected.
Owner:XINGTAI POWER SUPPLY +1

Multifunctional composite coating of oil gas storage tank and preparation method thereof

The invention discloses a multifunctional composite coating for an oil-gas storage tank and a preparation method thereof, and solves the technical problems to achieve the aims of prolonging the service life of a coating material, saving energy and reducing discharge. The composite coating is compounded by a bottom layer and a surface layer; and the preparation method comprises: manufacturing finished products of the bottom layer and the surface layer, diluting the finished product of the bottom layer by an X501 solvent, spraying the diluted finished product of the bottom layer on an anti-corrosion coating of the oil-gas storage tank, drying the anti-corrosion coating, diluting diisocyanate curing agent HDI dimmer or trimer by an X502 solvent, mixing the diluted HDI curing agent with the finished product of the bottom layer, and spraying the mixture onto a dry film of the bottom layer to prepare the composite coating consisting of the bottom layer and the surface layer. Compared with the prior art, the composite coating adopted cannot be heated by sunning, so the composite coating saves power consuming and water spraying equipment and water spraying and temperature reducing control processes, avoids waste of water and electric resources, and has guarantee functions of static conduction, fire resistance and safety; and by means of the fluorocarbon surface layer, the composite coating has strong protection, stain resistance and service life of more than ten years.
Owner:SHENZHEN SAILING ENERGY SAVING NEW MATERIAL TECH

Aged-care at home and security and protection system based on body motion trail analysis

The invention discloses an aged-care at home and security and protection system based on body motion trail analysis. The system comprises a camera shooting module, a transmission module, a control module, a display module, a recording register module and an intelligent analysis module, wherein the camera shooting module is used for collecting a meta-video signal and transmitting the meta-video signal to the intelligent analysis module and the recording register module, the transmission module is used for connecting and transmitting various video signals and controlling the signals and has basic functions of wide bandwidths, interference resistance and the like, the control module comprises a pan-tilt and a main control center, the display module is used for displaying various information processed by the intelligent analysis module, the recording register module comprises an embedded type NVR and various high solution storage products and is used for constantly recording and storing the collected video signals and the analysis information, and the intelligent analysis module analyzes and processes the high solution meta-video signal provided by the camera shooting module. The aged-care at home and security and protection system based on the body motion trail analysis can improve analysis accuracy through analysis and comparison of movement trails of people.
Owner:SUN YAT SEN UNIV +2

Roadway internal surrounding rock breakage monitoring equipment and monitoring method thereof

The invention relates to the technical field of mining equipment, in particular to roadway internal surrounding rock breakage monitoring equipment and a monitoring method thereof. The roadway internalsurrounding rock breakage monitoring equipment comprises a shell and a camera body, wherein universal wheels are connected to the four corners of the bottom of the shell in a bolted mode, a partitionplate is connected to the upper portion of an inner cavity of the shell in a bolted mode, the left side and the right side of the top of the partition plate are rotationally connected with a first screw rod and a second screw rod correspondingly, and a power mechanism is arranged at the top of the partition plate and located between the first screw rod and the second screw rod. According to the roadway internal surrounding rock breakage monitoring equipment and the monitoring method thereof, a camera can be protected, so that the camera is not easy to damage under an accidental condition, thecamera can be lifted and rotated, the monitoring range of the camera is expanded, and the problems that the camera is easy to damage under the accidental condition due to lack of protection when thecamera is used for monitoring the interior of a roadway at present, the position of the camera is mostly fixed so that height adjustment and rotation adjustment cannot be automatically performed, andlimitation to the monitoring range of the camera is caused are solved.
Owner:HENAN INST OF ENG

Side slope rolling stone rapid discharging structure used for protecting mountain highway

The invention provides a side slope rolling stone rapid discharging structure used for protecting a mountain highway. The side slope rolling stone rapid discharging structure is characterized by being composed of a stone guide ladder, a stone guide net and a supporting frame, wherein the appearance of the stone guide ladder is in a downwards-bent arc shape; the inner end of the arc shape is the highest and the height of the outer end of the arc shape is higher than the lowest point of the arc shape; a stone guide groove matched with the walking direction of the stone guide ladder is formed in the upper side face of the stone guide ladder; the stone guide ladder spans across the upper side of the mountain highway; the inner end of the stone guide ladder is connected with the upper end edge of an inner side edge slope of the mountain highway; the outer end of the stone guide ladder extends to the outer side of the mountain highway; the upper end of the supporting frame is connected with the lower part of the stone guide ladder; the lower end of the supporting frame is connected with roadbeds on the two sides of the mountain highway; the stone guide net is arranged at the periphery of a rolling stone hidden danger region of the side slope and is distributed in a funnel shape; a notch is formed in the bottom of the funnel and is communicated with the stone guide groove. The side slope rolling stone rapid discharging structure has the beneficial effects that the protection effect of rolling stone disasters can be remarkably improved and rolling stones are prevented from being accumulated on a protection structure.
Owner:CHONGQING JIAOTONG UNIVERSITY +2

Pressure sensor and packaging method thereof

The invention provides a pressure sensor and a packaging method thereof. The pressure sensor comprises a base plate and a pressure sensor chip which are arranged in a laminating manner; the pressure sensor chip comprises a substrate, a cavity formed at one side, deviating from the base plate, of the substrate, and a sensitive membrane arranged in matching with the cavity; the cavity is flat; the substrate is provided with a first bonding pad; the base plate is provided with a second bonding pad which is electrically connected to the first bonding pad; the pressure sensor further comprises a first surrounding dam which is arranged along the periphery of the sensitive membrane, a hard sealing layer which is arranged on the base plate and does not go beyond the first surrounding dam, and a pressure-bearing component which is located above the sensitive membrane and is connected with the surrounding dam in a supporting manner; and the first bonding pad is located at the outside of the first surrounding dam. By adoption of the pressure sensor and the packaging method thereof, the sensitive membrane is prevented from directly bearing an outer stress, the damage probability is reduced, meanwhile better protection is realized through the hard sealing layer, and the service lifetime is prolonged.
Owner:MEMSENSING MICROSYST SUZHOU CHINA

Longitudinal seam welding protection structure, barrel longitudinal seam welding device and corresponding welding method

The invention discloses a longitudinal seam welding protection structure, a barrel longitudinal seam welding device and a corresponding welding method. The longitudinal seam welding protection structure comprises a welding seam outer protection assembly and a welding seam inner protection assembly, wherein the welding seam outer protection assembly comprises a pair of outer cooling liners which are suitable for being attached to the portions, on the two sides of a longitudinal seam, of a barrel from the outer side of the barrel and a pair of outer cooling pipelines which are connected into thepair of outer cooling liners in a one-to-one correspondence manner in the length direction of the outer cooling liners; and the welding seam inner protection assembly comprises inner cooling liners,notches, air pipes and a pair of inner cooling pipelines, wherein the inner cooling liners are suitable for being attached to the portions, on the two sides of the longitudinal seam, of the barrel from the inner side of the barrel, the notches are formed in the cooling liners in the length direction of the inner cooling liners and faces the longitudinal seam, the air pipes communicate with the notches, and the pair of inner cooling pipelines are arranged in the inner cooling liners along the length direction of the inner cooling liners and are positioned on two sides of the radial direction ofthe air pipes. According to the longitudinal seam welding protection structure, the welding effect on the barrel longitudinal seam can be optimized.
Owner:CHANGZHOU BORI ELECTRIC POWER AUTOMATION EQUIP

Stirring tool cleaning pool for construction

The invention relates to the technical field of stirring tool cleaning, in particular to a stirring tool cleaning pool for construction. The stirring tool cleaning pool comprises a box body, a cleaning mechanism, a closing mechanism, a pressing mechanism, a shaking mechanism, a collecting mechanism and a sliding mechanism. Under the action of the closing mechanism, cleaning liquid is convenientlyadded into the box body, meanwhile, the interior of the box body is conveniently protected, meanwhile, stirring rods needing to be cleaned are conveniently placed and fixed through the cleaning mechanism, so that cleaning is convenient, sundries and gravel fall off and are stored, under the action of the sliding mechanism, the cleaning mechanism can be conveniently cleaned in the box body in a sliding manner, the cleaning effect is guaranteed, meanwhile, under the action of the pressing mechanism, the closing mechanism can conveniently lift the cleaning mechanism and immerse the cleaning mechanism into water, so that the stirring rods are conveniently placed and cleaned, under the action of the shaking mechanism, the cleaning mechanism conveniently shakes, so that the stirring rods are cleaned cleaner, meanwhile, the cleaned sand and stone sundries can enter the collecting mechanism to be stored, and subsequent cleaning is facilitated.
Owner:张兴业

Highway engineering bridge construction bridge deck concrete maintenance device

The invention discloses a highway engineering bridge construction bridge deck concrete maintenance device, and relates to the technical field of highway bridge engineering. The device comprises a mainframe, wherein the inner portion of the main frame comprises a water chamber and a bottom groove, and the water chamber is located above the bottom groove. The highway engineering bridge constructionbridge deck concrete maintenance device has the advantages that during movement, the rotation of first rollers makes a spray system move ahead synchronously better, so that when the device passes through a road speed bump, the height of the first rollers is increased, so that a supporting plate is pressed to move upward, thereby making the device and the spray system pass through the speed bump better, and at this time, the passively increased heights of spray heads are same, so that the heights of the spray heads are in accordance with a spray plane all the time, thereby performing sprayingmaintenance and protecting the spray system better; through running of a water suction pump, water is pumped into a spray pipe through a hose, so that a concrete pavement is subjected to spraying maintenance through the spray heads at the bottom, thereby improving the spraying maintenance effect of the device.
Owner:李荣俊

Ratchet wheel type parking mechanism applicable to hand brake apparatus

The invention provides a ratchet wheel type parking mechanism applicable to a hand brake apparatus. The ratchet wheel type parking mechanism comprises a parking handle, a cover plate, a transmission reset mechanism, a brake handle, a parking locking tooth and a locking plate, wherein the parking handle is arranged at the top of an upper part; the cover plate is arranged at the lower side of the parking handle; the transmission reset mechanism comprises a locking tooth rotating shaft and a return spring; the locking tooth rotating shaft comprises a rotating shaft rod, an upper rotating platform, a shaft shoulder and a lower rotating platform; the return spring is vertically arranged, and the rotating shaft rod penetrates through a cavity in the middle of the return spring; the brake handle comprises a handle, a transmission reset mechanism mounting rack and a handle connecting plate; and a transmission reset mechanism mounting cavity penetrating through the transmission reset mechanism mounting rack vertically is formed in the transmission reset mechanism mounting rack; the parking locking tooth is arranged at the lower part of the transmission reset mechanism mounting rack; a locking tooth rotating shaft hole is formed in the middle of the large end of the parking locking tooth; and a hook pawl is arranged at the tail of the small end of the parking locking tooth; and the locking plate is arranged at the lower part of the handle connecting plate; and a ratchet surface is formed at one end of the locking plate. The ratchet wheel type parking mechanism has the characteristics of simple and reasonable structure, convenience in operation and use, good parking stability and strong locking adjustability.
Owner:台州市海誉电动科技有限公司

Radiotherapy protection bed convenient to adjust and control

The invention discloses a radiotherapy protection bed convenient to adjust and control, and the bed comprises a bottom plate. The upper end of the bottom end is provided with a first rectangular box body, and the upper end of the first rectangular box body is provided with a second rectangular box body. The second rectangular box body is disposed on a first rectangular box body in a manner of cupjoint. The upper end of the second rectangular box body is fixedly connected with a third rectangular box body, and the upper end of the third rectangular box body is provided with a bedstead. The upper end of the third rectangular box body is provided with a limiting sliding seat, and the limiting sliding seat is provided with a limiting chute. The interior of the limiting chute is provided witha threaded rod, and is also provided with a threaded sliding block. Two sides of the bedstead are provided with sliding rods, and the sliding rods are sleeved by a sliding frame which is provided witha flexible protection screen. The bed can achieve the lifting and moving adjustment, is wide in application range, can be adjusted at any time according to different treatment environment, is strongin protection capability, can effectively protect the body, except a radiotherapy part, of a patient, prevents the direct irradiation of rays, and is good in protection effect.
Owner:徐华

Preparation and processing method of corrugated carton

The invention discloses a preparation and processing method of a corrugated carton, and relates to the technical field of corrugated paper processing. The preparation and processing method comprises the following steps of 1, cutting, specifically, cutting a corrugated paper raw material to obtain a corrugated paperboard; 2, printing, specifically, conveying the cut corrugated paperboard to a printing machine, selecting an image-text printing plate, printing the corrugated paperboard, and obtaining a printed matter; 3, line pressing and spraying protection, specifically, folding the printed matter to form a longitudinal indentation and a transverse indentation through a line pressing wheel, marking a notch line through pre-mould pressing, spraying a shape fixing protective agent at the longitudinal indentation, the transverse indentation and the notch line, and obtaining a coated semi-finished product after complete drying; 4, slotting, specifically, slotting the dried coated semi-finished product through a slotting machine to obtain a corrugated paper sample plate; 5, die cutting, specifically, performing die cutting on the grooved corrugated paper sample plate through a die cutter, and obtaining a die cutting sample plate; and 6, box pasting. The corrugated carton obtained by the preparation and processing method has good edge compression strength.
Owner:上海明丰印务有限公司
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