39results about How to "Improve safety performance" patented technology

The invention discloses a lithium-supplementing negative electrode piece, a preparation method thereof, and a lithium ion battery. The lithium-supplementing negative electrode piece comprises a negative electrode piece body and a lithium-supplementing composite layer coated on the surface of the negative electrode piece body. The lithium-supplementing composite layer comprises the following raw materials in percentage by mass: 20%-65% of alloy lithium powder; 30%-70% of ceramic powder; and 5%-50% of a binder. According to the lithium-supplementing negative electrode piece disclosed by the invention, by arranging the lithium-supplementing composite layer, the safety performance of the lithium ion battery is enhanced, and the self-discharge performance of the battery is increased from -0.06mv/h to -0.04mv/h. The lithium alloy powder in the lithium-supplementing composite layer can effectively reduce the activity of lithium and reduce the transportation risk; and the ceramic powder can improve the electrolyte absorption performance of the electrolyte and prolong the cycle life of the battery cell.

The invention discloses an elevator buffer system with adaptive progress damping force, comprising a buffer unit and a magneto-rheological damping unit. The magneto-rheological damping unit comprises a magneto-rheological damping member and a control system. The magneto-rheological damping unit applies damping during compression of buffer springs, thus progressive buffering damping is formed; the parameter of magneto-rheological fluid is adjusted according to ascent parameter of a car; the damping force increases gradually during grounding and buffering of the car; the increasing process is quicker and gentler than that with common springs; finally, buffering damping is formed, and smooth descent buffering and sufficient variable damping are achieved. Compared with the prior art, the elevator buffer system has the advantages that a buffer stroke and a progressive gradient damping process are added, the springs with small elastic coefficient are applicable to the scheme, late variable damping with early elastic buffering is applicable to high-speed elevators, and ready dynamic application is achieved.

The invention discloses a novel respiratory type curtain wall system, and relates to green buildings. The problem that loosening between a connecting piece and an outer layer curtain wall easily occurs in a long-term use process so as to result in larger safety hidden dangers is solved. The novel respiratory type curtain wall is characterized by comprising prefabricated pieces horizontally embedded in a wall body positioned between floors, wherein parts, penetrating through the wall body, of the prefabricated pieces are fixedly connected with mounting pieces; the mounting pieces are arranged on the surface of a longitudinal wall body; each of the mounting piece comprises first fixing parts which are symmetrical to each other and second fixing parts which are symmetrical to each other; thefirst fixing parts are connected with inner fixing pieces and are connected with inner-layer glass through the inner fixing parts; and one end, facing the outer side of the wall body, of the corresponding second fixing part is connected with an outer fixing piece and is connected with outer-layer glass through outer fixing pieces; and the outer fixing pieces are provided with connection clamping legs, and connection clamping grooves connected with the connection clamping legs in a clamping manner are formed in the second fixing parts, so that the stability of the connection between the prefabricated pieces and the outer-layer curtain wall can be improved.

The invention discloses a roller safety device for a tufting machine. The roller safety device comprises roller stands on two sides, a driving roller and a driven roller, wherein the driving roller and the driven roller are arranged between the roller stands; two ends of a protective cover connecting plate are fixed at the bottoms of the roller stands on the two sides, and the protective cover connecting plate is connected with an L-shaped protective cover through hinges; a buckle lock mounting plate is arranged on the inner side of each roller stand, a buckle lock seat is mounted on the buckle lock mounting plate, a clamp block is arranged on the inner surface of the protective cover and matched with the buckle lock seat, and buckling fixation is realized accordingly; infrared limit switches for controlling rollers to rotate are arranged on the roller stands. The roller safety device for the tufting machine has the beneficial effects as follows: manual yarn carding operation is more convenient, and meanwhile, safety performance is improved.

The invention relates to the technical field of bus systems and discloses a bus artificial intelligence service terminal comprehensive all-in-one machine and method. According to the invention, through a driver vehicle start permission identification module, a driver working state inspection module, a driving behavior analysis module and a fatigue driving prevention module, the behaviors of a driver can be supervised, and the vehicle driving safety of the driver is improved; identities of passengers in a vehicle and the number of passengers can be identified through a video monitoring module and a congestion degree detection module; interaction between the passenger and the intelligent terminal is realized through an intelligent interaction module; a vehicle health condition detection module can perform omnibearing monitoring on the vehicle, so that safety of the vehicle itself is improved; a voice broadcast module carries out voice reminding on the driver and passengers, so that the safety of the driver and the passengers is guaranteed; and an intelligent cashier module can enable the passengers to swipe cards at the front door or the rear door, and the passengers can swipe cardsand swipe codes when getting-on and getting-off the vehicle, so that fee deduction between stations is achieved, and the machine is flexible and convenient to use.

The invention discloses a novel human body thermal garment, and relates to the field of human body warm keeping. The novel human body thermal garment comprises a fabric layer, a warm-keeping layer andan elastic layer, the fabric layer is composed of polyacrylonitrile cellulose acetate fibers, other common cellulose fibers and wool fibers, and the preparation method comprises the following steps:preparing the fabric layer; preparing the warm-keeping layer; performing primary combination; performing secondary combination; performing elastic binding; performing disinfection; and packaging, wherein stacking the sterilized thermal garment tidily, wherein the mass of the other common cellulose fibers and wool fibers accounts for 20-60% of the total mass of the fabric layer. According to the invention, the elastic layer is added on the basis of traditional warm keeping; the elastic layer has a binding effect; a pressing effect is applied to a human body, so that human body natural heating function is excited, skin self warming is adopted, and warm keeping effect is achieved; compared with a traditional thermal garment additionally provided with a thermal layer, a heating layer and the like, the thermal garment has the advantages that the thermal function of the human body is stimulated, the thermal garment is more practical, virtual pain or other discomforts on the surface of the human body can be relieved to a certain extent, and the safety performance is high.

The invention discloses a hydrogen transport vehicle which structurally comprises a transport vehicle, tires, a discharging plate, a hydrogen storage compartment and a ventilation device. The hydrogenstorage compartment is composed of a box body, a discharging mechanism, a box door and a hydrogen containing frame. The hydrogen storage compartment improves unloading of a hydrogen tank through a guide rail and a guide pulley, the labor is saved and the working efficiency is improved. An operation rod is used for controlling a clamping shaft to fit the guide rail, the friction with a guide pulley shaft body is increased, the guide pulley does not roll any longer, the hydrogen containing frame is positioned, the hydrogen tank is fixedly installed through the hydrogen containing frame, then the hydrogen tank is damped and buffered through attaching strips, and the safety performance of the hydrogen tank is improved. The hydrogen tank is protected through chucks and partition plates, and the consequences of hydrogen leakage, fire disasters, explosions and other dangers caused by impact in a car accident in the transportation process are avoided.

The invention relates to the technical field of lifting of disc parts, in particular to a lifting mechanism applicable to disc parts. The lifting mechanism comprises a baseboard and a stand pillar located on the baseboard, a cross beam is slidably arranged on the stand pillar in the vertical direction, and a first clamping arm and a second clamping arm are slidably arranged on the cross beam; one supporting air cylinder of which the extending end faces inwards is arranged at the portion, located below an upper finger plate, of the first clamping arm, one supporting air cylinder of which the extending end faces inwards is arranged at the portion, located below an upper finger plate, of the second clamping arm at the same time, through the finger plates of the first clamping arm and the second clamping arm, a single disc part is clamped, the cross beam is driven to lift through a first power mechanism, so that the disc part clamped between the two finger plates is separated a enough distance from disc parts which are stacked together at the lower portion, a mechanical arm is conveniently inserted into the portion below the disc parts and delivers the disc parts to the next procedure, supporting blocks of supporting air cylinders are supported below the disc parts, and it can be guaranteed that the disc parts cannot fall off between the two finger plates.

The invention provides a truck backing camera with an automatic clearing function and belongs to the field of truck backing cameras. The truck backing camera comprises a camera rotating cleaning device, a carriage, a truck head, a truck body and wheels. The camera rotating cleaning device is provided with a rotating camera body and a cleaning device body. The cleaning device body is arranged on the left side of the rotating camera body. According to the truck backing camera, through arrangement of the camera rotating cleaning device, images of the position behind a truck during backing can bewatched by people conveniently, thus the truck can be prevented from knocking down pedestrians or other public facilities, and the safety property of the truck is improved; and through arrangement ofthe cleaning device body on the left side of the rotating camera body, in the rotating process of the rotating camera body, owing to the fact that the cleaning device body is motionless, through the relative motion principle and arrangement of a scraping brush, a sponge, brush bristles and a spray nozzle in the truck backing camera, sludge on the outer surface of a protective shell can be effectively cleared, the sludge is prevented from blocking the observation visual line of the camera, and thus the function of automatic clearing of the sludge on the protective shell is achieved.

Provided is a road sign device for a theme park. The device comprises a theme park road sign supporting rod, a theme park road sign fixing seat, a theme park road sign indication assembly and a themepark publicity and play assembly, one end of the theme park road sign supporting rod is installed at the theme park road sign fixing seat, the theme park road sign indication assembly is installed onone end, away from the theme park road sign fixing seat, of the theme park road sign supporting rod, and the theme park publicity and play assembly is installed on the theme park road sign indicationassembly; according to the above-mentioned theme park road sign device, the theme park road sign supporting rod, the theme park road sign fixing seat, the theme park road sign indication assembly andthe theme park publicity and play assembly are arranged and fixing and reinforcing blocks are arranged on the bottom of the theme park road sign fixing seat to increase the overall structural strengthand to prevent the theme park road sign supporting rod from toppling, so that the safety performance of the device is higher.

The invention discloses a control method and device for an elevator for a double-bridge mine. The method comprises the steps that under the circumstance that a first fast switch, a second fast switch,a first main switch, a second main switch, a high-voltage switch and a synchronous power source all operate normally, whether one of a first power supply circuit and a second power supply circuit operates normally or not is judged; if not, a brake signal is transmitted to a braking system of the elevator for the double-bridge mine so that the braking system can carry out braking; if yes, a powersource signal received by a main shaft encoder is obtained, and whether the power source signal is interrupted or not is judged according to the power source signal; and if the power source signal isinterrupted, the step for transmitting the brake signal to the braking system of the elevator for the double-bridge mine and enabling the braking system to carry out braking is returned and executed.By the application of the embodiment, the safety performance of the elevator for the double-bridge mine can be improved.

The invention relates to a transmission structure of a lifeboat gear-type safety hook. The structure is characterized by comprising a first transmission mechanism (2), a second transmission mechanism (3) and a locking mechanism (4). The second transmission mechanism drives the locking mechanism to lock and unlock a main hook, and the position of the second transmission mechanism is kept due to sustaining force of a control rod on the first transmission mechanism. Accordingly, the transmission structure of the lifeboat gear-type safety hook has the advantages of being quick to brake and high in safety performance.

The invention relate to the field of material conveying in a greenhouse, in particular to a manual and electric integrated material track conveying device for a greenhouse. The manual and electric integrated material track conveying device for the greenhouse comprises a bearing supporting frame, a traveling track, an electric idler wheel, a manual idler wheel, a connection arm, a manual suspension plate, an electric suspension plate, a conveying basket and a power system. The traveling track is arranged on a supporting assembly. The electric idler wheel and the manual idler wheel are arranged on the traveling track and connected through the connection arm. The electric suspension plate is installed below the connection arm and on the position corresponding to the electric idler wheel. The manual suspension plate is installed below the connection arm and on the position corresponding to the manual idler wheel. The conveying basket is hung on the electric suspension plate or the manual suspension plate. The power system is installed on one side of the connection arm. The manual and electric integrated material track conveying device for the greenhouse saves labor and a manual conveying system and an electric conveying system are switched as long as the conveying basket is switched between the manual suspension plate and the electric suspension plate. The manual and electric integrated material track conveying device for the greenhouse is easy and convenient to operate.

The invention relates to a heat exchanger for a gas water heater, which comprises a combustion chamber, a cavity inwall, a combustor arranged in the combustion chamber, a gas inlet pipe providing gas for the combustor, a water inlet pipe, a water outlet pipe, and a fin-tube heat exchanger arranged above the combustion chamber, wherein the fin-tube heat exchanger comprises fins and a water circulating pipe arranged on the fins in a penetrating manner, the water inlet pipe is connected with one end of the water circulating pipe, the water outlet pipe is connected with the other end of the water circulating pipe, the fins of the fin-tube heat exchanger and the cavity inwall are formed by punching high-temperature-resistance anti-oxidization thin metal sheets, such as thin alloy materials of iron chromium aluminum or nickel chromium aluminum. Rare earth catalyst layers for reducing emission of harmful gases in hot smoke are coated on the fins of the fin-tube heat exchanger. The fins of the fin-tube heat exchanger are provided with regular bending part in a punching manner in the length direction or width direction. The heat exchanger adopting the structure has the advantages of low production cost, long service life, good safety property, high heat exchange efficiency and capability of effectively reducing the emission of the harmful gases.

The present invention discloses a college Applied Mathematics test extraction system, which comprises a login system. An output end of the login system is electrically connected to an input end of a central processing system; an output end of the central processing system is electrically connected to an input end of a system management unit and an input end of a test paper extracting unit separately; an output end of the test paper extracting unit is electrically connected to an input end of a test paper generating unit; and an input end of a test library is electrically connected to an output end of a test management unit, a test paper management unit and a test updating unit separately. Systematic management of college Applied Mathematics tests is realized; by logging into the login system, the security of tests is ensured; by means of the test management unit and the test paper management unit, standardized management of test papers and tests is realized; by setting permission using the system management unit, the security performance of the system is further improved; the workload of teachers is effectively reduced; and the system provided by the present invention is convenient for use and high in security performance.

The invention relates to the field of packaging bag processing, in particular to a bag making machine edge closing device with a guiding function. The bag making machine edge closing device with the guiding function comprises a frame body, two feeding rollers and two edge closing wheels are arranged on the frame body, a support plate is fixedly connected to the position, close to the feeding rollers, of the frame body, a preformed hole for a packaging bag to pass through is formed in the support plate, the support plate is connected with a pair of guide blocks, the two guide blocks are arranged on the two sides of the packaging bag respectively, and the guide blocks are connected with the side face of the packaging bag in a sliding mode. The bag making machine edge closing device with theguiding function has the effect of reducing the possibility of deviation of the packaging bag in the process of conveying the packaging bag by the feeding rollers.

The invention belongs to the technical field of automatic numerical control operation equipment, and particularly relates to an automatic system integration debugging device and a debugging method thereof.The tail end of a rotating handle is fixedly connected with a ratchet wheel, the surface of the ratchet wheel is in meshed connection with a gear, and the surface of a rotating shaft is fixedly connected with a connecting spoke; fixing nails are fixedly connected to the surfaces of the connecting spokes, sliding spokes are slidably connected to the surfaces of the connecting spokes, connecting rods are movably connected to the tail ends of the sliding spokes, merging plates are fixedly connected to the surfaces of the sliding spokes, and clamping openings are fixedly connected to the surfaces of the merging plates. And an electric connector is clamped in the clamping opening. The rotating handle drives the ratchet wheel to rotate, the ratchet wheel drives the gear to rotate, and then the gear drives the sliding spoke to control opening and closing of the merging plate, so that the effects of flexibly replacing the power line and enhancing the safety performance of the console during overall automatic debugging are achieved.

The invention discloses a vehicle wheel and an automobile having the same. The vehicle wheel comprises a rim, a tire, a plurality of tappet assemblies, a gasbag, a tire pressure sensor and a gasbag blasting machine, wherein the tire is mounted on the rim; the tappet assemblies are arranged in the tire at intervals along the circumference of the tire, and each tappet assembly is movably mounted on the rim between a support position of the inner circumference surface for supporting the tire and a retraction position separated from the inner circumference surface of the tire; the gasbag is arranged around the rim in the tire and is used for pushing the tappet assemblies to move to the support position when being blasted; the tire pressure sensor is arranged in the tire and is used for detecting the air pressure in the tire; and the gas blasting device is arranged in the tire, is connected with the tire pressure sensor and the gas bag, respectively and is used for blasting the gas bag according to an air pressure test value of the tire pressure sensor. According to the embodiment of the invention, the vehicle wheel has a tire puncture protection function and can maintain the balance of the automobile during the tire puncturing, so that the safety performance of the whole automobile is substantially improved.

The invention discloses a high-voltage power capacitor insulator transfer tool. The high-voltage power capacitor insulator transfer tool comprises a vehicle frame, wherein at least one sliding mechanism is fixed to the vehicle frame, and insulators are hung on the sliding mechanisms and can slide along the sliding mechanism. Each sliding mechanism comprises a transverse beam and at least one sliding member, wherein each transverse beam is arranged on the vehicle frame, the sliding members are fixed on the transverse beams and contained in the vehicle frame, and the insulators are hung on the sliding members and can slide along the sliding members. When the high-voltage power capacitor insulator transfer tool is used, storage space of the insulators can be increased greatly, and storage efficiency is improved; a large number of usable areas of a workshop are saved, insulator sleeves will not collide with one another, and safety during transfer is enhanced greatly.

The invention discloses a high-precision Chinese medicinal material dispensing and sub-packaging system. The system comprises a sub-packaging machine body, wherein the sub-packaging machine body is ina rectangular shape; a damping universal wheel device is arranged at the bottom of the sub-packaging machine body; a feeding device is arranged above the sub-packaging machine body; a stirring deviceis arranged in a Chinese medicinal material stirring box; an automatic weighing device is arranged in a Chinese medicinal material weighing box; a controller is arranged on one side of the sub-packaging machine body; and the controller is respectively and electrically connected with the feeding device, the stirring device and the automatic weighing device. The high-precision Chinese medicinal material dispensing and sub-packaging system disclosed by the invention has the beneficial effects of simple structure and strong practicability.

A vehicle-mounted all-round looking system comprises a front camera, a back camera, a left-side camera, a right-side camera, a controller and a display device. The installation angles of the viewing angle axes of the front camera and the back camera are downwards deviated in the vertical direction, the included angles between the viewing angle center axes and the horizontal plane are 15-25 degrees, the left-side camera and the right-side camera face the ground and are inclined towards the tail of the vehicle, the included angle between projection of the viewing angle center axes of the left-side camera and the right-side camera on the vertical plane in the length direction of the vehicle and the horizontal plane is 15-25 degrees, the included angle between projection of the viewing angle center axes of the left-side camera and the right-side camera on the horizontal plane and the vertical plane where the length direction of the vehicle is located is 85 degrees, and the included angle between the positive direction of the left-side camera and the right-side camera and the vertical direction where the center points of the left-side camera and the right-side camera are located is inclined towards the front portion of the vehicle by 5-15 degrees. According to the vehicle-mounted all-round looking system, the viewing angle of the left side and the right side of a vehicle body and the viewing angle of the front side and the back side of the vehicle body can made to be horizontal, and ambient images of the vehicle body can be made to be symmetrical.

The invention discloses a safe swimming ring for babies, which comprises a swimming ring body and an anti-turnover assembly, the swimming ring body includes an annular air cavity and an alarm device, and a plurality of air bags are fixedly adhered to the inner bottom surface of the annular air cavity , the alarm device is arranged on the upper surface of the annular air chamber, the anti-turnover component includes a connecting rope and a sinking ball, one end of the connecting rope is connected to the lower surface of the annular air chamber, and the other end is connected to the sinking ball. The invention greatly improves the safety performance of the baby swimming ring by adding an anti-turning component and a plurality of airbags inside the swimming ring body, and an alarm device is installed on the upper air cavity, and the alarm function is realized when the upper air cavity is turned over. In order to prevent the life-threatening of the baby from drowning.

The invention discloses modified conductive fabric. The modified conductive fabric comprises a plurality of conductive mixed yarns, a plurality of first yarns and a plurality of second yarns, wherein the mixed yarns comprises a plurality of elastic fibers and a plurality of composite fibers; the composite fibers are provided with a plurality of first bending parts, and are composited by a plurality of conductive fibers and a plurality of positioning adjusting fibers; the first yarns are provided with a plurality of second bending parts; the first bending parts and the second bending parts are arranged symmetrically; the second yarns are perpendicularly woven on the first yarns, the elastic fibers and the composite fibers. According to the invention, the composite fibers are provided with a plurality of bending parts, so as to be telescopic along with the elastic fibers; the mixed yarns have the characteristic of electric conduction; the conductive fabric knitted by the mixed yarns has high elasticity and rebound resilience; the stability, the service durability and the convenience of the conductive fabric in practical application are improved greatly.

The embodiment of the invention provides a single sign-on method, device and system among heterogeneous systems. The heterogeneous application single sign-on system comprises a single sign-one control sub-system, an SSO server side, an application client side and a server side. The method includes the steps that the single sign-on control sub-system opens, logs on and pulls up the course/linear course of the application client side in a browser; the application client side sends a re-positioning request to the browser and is used for sending an ST request to the SSO server side through the browser so as to obtain the applied ST information; the SSO server side sends the applied ST information to the browser according to the ST information so as to enable the browser to send the applied ST information to the application client side; the application client side receives the applied ST information and sends a dialogue establishing request to the application server side according to the applied ST information; the application server side asks the SSO server side for authentication according to the applied ST information and establishes the dialogue information with the application client side after successful authentication.

The invention discloses a field angle adjustable AR device based on a holographic grating system. According to the invention, MEMS laser two-dimensional scanning is combined with the holographic grating; by means of the holographic grating effect, a thick lens is not needed. The weight of the glasses is greatly reduced; improving wearing comfort, by utilizing MEMS laser two-dimensional scanning and combining the structures of the transverse adjusting device and the rotary adjusting device, the controller can control the driving controller, so that the reflecting mirror surface is driven to swing at a high speed along the X axis and the Y axis according to a specific frequency, and the MEMS scanning mirror can be freely switched between slow scanning and fast scanning. Therefore, the film with the photosensitive medium can be attached to a spectacle lens, so that the film with the photosensitive medium can be combined with actual spectacles, various convenience is integrated, and the problem that the size of a field angle of an AR display system is limited by the refractive index of a material in the design process is solved.

The invention relates to an asphalt reaction device with a corrosion resistant and high temperature resistant reactor. The asphalt reaction device comprises a reactor (1), a stirring paddle (2) is arranged in the reactor (1), the top end of the stirring paddle (2) stretches out of the top of the reactor (1); the top end of the stirring paddle (2) is connected to a decelerator (3); the decelerator (3) is connected to a motor (4); and the asphalt reaction device is characterized in that the oil supply pipeline (5) of the decelerator (3) is provided with a flow switch (6). The oil supply pipeline of the decelerator is provided with a flow switch, which can monitor the work state of decelerator, when the asphalt reaction device works, and thus the safety performance of the asphalt reaction device is high.

The invention discloses an automobile plastic vacuum tank qualification detecting device, belonging to the field of vacuum tank quality detection. The qualification detecting device includes a vacuumtank air tightness detection device and a vacuum tank quality detection machine. The vacuum tank air tightness detection device and the vacuum tank quality detection machine are connected through a conveying belt. The air tightness detection device includes an upper box and a lower box and also includes a compressed air storage tank and a gas detector, and the quality detection machine includes amain control device, a moving table device, a transfer table device and a picking table device. The moving table device includes a movement frame, a push rod motor, a radar sensor module and a weightsensor module. The transfer table device includes a transmission frame, a transmission device and a lifting device. A main control module is mounted in the main control device. The radar sensor module, the push rod motor, a servo motor and the weight sensor module are in signal connection with the main control module. The automobile plastic vacuum tank qualification detecting device has the advantages of being simple in structure, convenient to operate and high in intelligence degree, and the vacuum tank detection working efficiency is greatly improved.

The invention discloses heat insulating material and manufacture method. In the heat insulating material, a light material with a specific cross section is used as a disposable inner model and packaged by a cementitous material, and packaging units are formed, wherein a plurality of packaging units are mutually connected and cemented, and then the cementitous material is gelatinized and solidified. The heat insulating material manufactured by the method is used for the outer surface of a wall and can improve the safety of an outer heat insulating layer of the wall.