751results about How to "Avoid nudity" patented technology

The invention relates to a solar yard lamp device being convenient for cleaning solar panels and easy to adjusting lamp direction. The solar yard lamp device comprises a column arranged in the vertical direction, wherein the left side of the top of the column is provided with a box body through a rotary hinge structure and an automatic retractable adjusting mechanism; the top of the box body is provided with a heat insulation plate; solar panels are spread on the heat insulation plate; a storage battery, a voltage stabilizer, a remote signal receiver and an intelligent controller are arranged in the box body; the lower surface of a mounting plate is provided with a fixed block; a ball is rotatablely arranged in the fixed block; the bottom of the ball is connected with an LED (light-emitting diode) illuminating lamp through a connecting rod; an electric push rod is arranged between the mounting plate and the LED illuminating lamp; and the box body is provided with an automatic reciprocating wiping unit for wiping the solar panels. The solar yard lamp device can make automatic adjustment on the irradiation direction of the LED illuminating lamp according to the inclination angle of the solar panels so as to adapt to the lighting demands of the yard, and can automatically clean the solar panels; and the solar panels are integrally installed on the storage battery, thereby avoiding the exposure of the circuit, and prolonging the service life of the components.

The invention relates to a modular solar energy water heater without a water tank, which comprises vacuum glass insulation modules, wherein the vacuum glass insulation module is mainly composed of a glass vacuum pipe, a sealing pipe plug inserted in the mouth of the glass vacuum pipe, a water inlet pipe, a water outlet pipe and an electric heating pipe which penetrate through the sealing pipe plug, a pressure ring, an 'L'-shaped fastening seat, an elbow, a splicing head and polyurethane insulation blocks, the mouths of the water inlet pipe and the water outlet pipe extending out of the mouth of the sealing pipe plug are respectively connected with the elbow, and adjacent vacuum glass insulation modules are respectively spliced with a same splicing pipe via the splicing head. The modular solar energy water heater without a water tank utilizing a module splicing mode is convenient in mounting and maintenance, compact in structure, stable in sealing and fine safety property, can constantly provide hot water with stable temperature, can be perpendicularly and obliquely placed on the roof of a building, also can be mounted on a wall or be embedded in a wall of a building, is flexible in mounting, is convenient for forming a complete set with a building integrally, and is wide in application range.

The invention relates to an improved boarding bridge. The improved boarding bridge comprises a movable channel which consists of an inner movable channel, a middle movable channel and an outer movable channel in sliding fit; the inner side of an inner guide rail is provided with an inner inversed U-shaped groove; the outer side of an outer guide rail is provided with an outer inversed U-shaped groove; an idle wheel is matched with the inner inversed U-shaped groove and the outer inversed U-shaped groove; the improved boarding bridge also comprises a plurality of covering devices for covering the inner inversed U-shaped grooves of the inner guide rails on the inner bottoms of the middle movable channel and the outer movable channel; each covering device consists of a fixed plate, a curtain sheet, a torsional spring and a bent decorative baffle; the curtain sheet is connected to the fixed plate through a pivot; the torsional spring is matched with the curtain sheet and the fixed plate; a horizontal plate of the bent decorative baffle is fixedly connected with the top of the fixed plate; the fixed plate is fixed on the upper part of the inner inversed U-shaped grove; and curtain sheets of two adjacent covering devices are staggered by the thickness of one curtain sheet in the horizontal direction. As the structure is adopted, the improved boarding bridge prevents the bareness of the inner guide rail and the idle wheel and removes potential safety hazards.

The invention relates to polishing equipment and a working method thereof, and belongs to the field of mechanical equipment. The problems that the polishing equipment in the prior art is unreasonablein layout, so that the work efficiency is reduced, the polishing effect is not ideal, most of bases are made of steel, large vibration and noise are generated in the operation process, meanwhile, thestructure of a material table driving device is relatively complex and the production cost is high are solved. The polishing equipment comprises a manipulator, a control cabinet and an equipment outercover, and is structurally characterized in that a belt sander, a double-layer material table and an equipment base are further included, the belt sander, the manipulator and the control cabinet areall located in the equipment outer cover, the belt sander and the double-layer material table are both matched with the manipulator, and the belt sander, the double-layer material table, the manipulator, the control cabinet and the equipment outer cover are all installed on the equipment base. According to the polishing equipment and working method thereof, programs are set through the control cabinet, and workpieces located on the double-layer material table are placed on the belt sander through the manipulator to be polished.

The invention belongs to the technical field of nuclear power plant spent fuel pools and safe protection measure design thereof, and particularly relates to a containment built-in spent fuel pool, which comprises a spent fuel pool, a containment built-in water tank, a containment shell, a condensed water collector, valves, pipelines, a recirculation port and a containment cooling system, wherein the spent fuel pool and the containment built-in water tank are arranged inside the containment and are connected, the top of the containment built-in water tank is provided with the condensed water collector, the condensed water collector is connected with the inner wall of the containment shell, the lower end of the containment built-in water tank is connected with a reactor pressure vessel through the pipeline, the pipeline is provided with the valve, the recirculation port is connected on the outlet pipeline of the containment built-in water tank, and the containment cooling system is arranged on the outer portion of the containment shell. According to the present invention, the passive manner is adopted to cool the spent fuel without dependence on the external power supply so as to improve safety of the spent fuel pool under accidents and ensure radioactivity packaging and safe cooling of the spent fuel.

The invention discloses a nuclear power plant voltage stabilizer for inhibiting liquid level sloshing. The voltage stabilizer comprises a voltage stabilizer main body, the upper portion of the voltage stabilizer main body serves as a gas storage space, the lower portion of the voltage stabilizer main body serves as a liquid storage space, a plurality of spacing boards for preventing liquid sloshing are arranged in the voltage stabilizer main body, and the spacing boards are arranged at intervals. The voltage stabilizer is suitable for being used in a marine environment, has a good sloshing inhibiting effect and effectively enhances the environmental adaptive capacity of a nuclear power plant.

The present invention discloses a wireless transmission device for a steel pipe scaffold bearing test. The wireless transmission device comprises a wireless signal receiving and processing module, a power supply, a sensing element, an analog-to-digital conversion module, an intelligent logic module and a wireless signal transmission module; wherein the sensing element, the analog-to-digital conversion module, the intelligent logic module and the wireless signal transmission module are electrically connected in proper order; the sensing element is arranged on the external surface of the end portion of a steel pipe; the lead-out/lead-in wires of the sensing element are connected with other elements in the steel pipe through the steel pipe port; through holes are arranged on the shell of the steel pipe; and the wireless signal transmission module includes a transmitting antenna which is exposed from the steel pipe by means of the through holes. The wireless sensing device provided by the present invention adopts a mode that wireless elements and circuit elements are built-in so as to prevent the circuit from exposing and to overcome the shortage that a transmission cable is prone to breakage when the current pressure transducer carries out a bearing test for the steel pipe scaffold.

The invention relates to the technical field of textile manufacturing and processing, in particular to a covering yarn production device and method. In order to solve the technical problem that an existing compact spinning cotton web is too narrow to benefit filament covering, so that the quality of covering yarn is affected, the covering yarn production device comprises a flare opening, a first roller, a second roller, a third roller, a negative pressure pipe and a ring from top to bottom in sequence. A groove formed in the ring comprises a first end opening and a second end opening, wherein the first end opening is formed above the second end opening, and the width of the first end opening is larger than that of the second end opening. Fiber strands are subjected to drafting, stretching and reducing and then fed into the groove, namely a negative-pressure suction port, a filament volume is subjected to active unwinding and rotation of a loading roller, filaments are drawn forth, the filaments pass through a filament guide wheel and then are fed into a compact spinning leather roller, the compact spinning leather roller applies pressure on the negative-pressure suction port, core yarn covering is facilitated, filament covering cotton is avoided from being exposed to the outside, and the production quality of the covering yarn is improved.

A compression-shear mixed multi-layer magnetorheological elastomer shock absorber comprises a magnetic conductive tube mounted on a base, a piston mounted in the magnetic conductive tube, a magnet exciting coil mounted on the outer wall of a mounting seat arranged on the base as well as magnetorheological elastomers, wherein the magnetorheological elastomers comprise a shear type first magnetorheological elastomer and compression type second magnetorheological elastomers; the first magnetorheological elastomer is mounted between the piston and the magnetic conductive tube; a shock absorbing layer structure is mounted between the mounting seat and the piston and comprises the second magnetorheological elastomers and magnetic conductive plates, and the second magnetorheological elastomers and the magnetic conductive plates are arranged alternately. According to the compression-shear mixed multi-layer magnetorheological elastomer shock absorber, under joint action of the shear type magnetorheological elastomer and the compression type magnetorheological elastomers, the adjusting ranges of the rigidity and damping of the shock absorber are increased, the shock absorbing effect is enhanced, and the shock absorber can attenuate vibration load of different frequency and amplitudes.

The invention provides a lock cylinder structure for an intelligent door lock, the intelligent door lock and an antitheft door and belongs to the technical field of intelligent door locks. The lock cylinder structure comprises an outer handle assembly and an inner handle assembly and further comprises a linkage part and a separating-combining structure, wherein an information collecting module ismounted in the outer handle assembly and receives, collects and sends user information; the inner handler assembly comprises a first rotating part provided with a control module, and the control module is electrically connected with the information collecting module through a conducting wire; a shifting wheel is suitable for rotating relative to a lock box to achieve unlocking or locking; one endof the linkage part is connected with the outer handle assembly, and the other end of the linkage part is connected with the first rotating part; and the separating-combining structure is disposed between a linkage mechanism and the shifting wheel and is suitable for enabling the linkage mechanism to be in linkage with or be separated from the shifting wheel according to a control instruction. Bymeans of the lock cylinder structure provided by the invention, the conducting wire can be prevented from being twisted and cracked, and meanwhile the advantages of being high in forcible entry difficulty, long in service life, convenient in operation, high in adaptability and the like are achieved.

The invention relates to a method for obtaining low-nitrogen steel by reducing nitrogen content in steel in an electric furnace steelmaking process. The method comprises the following steps that in the smelting process of an electric arc furnace, a mode of mixed smelting of waste steel and molten iron is adopted, a rapid slagging technology is assisted, and silicon iron is added in the tapping process to carry out weak deoxidation on molten steel; in the LF refining procedure, a high-temperature-resistant material sealing sleeve is installed at an electrode opening, refining synthetic slag is added in the smelting process for slagging, and the appropriate bottom blowing argon flow is adjusted; in the VD vacuum treatment process, a high vacuum degree, treatment time prolonging and bottom blowing argon flow increasing strong stirring mode is adopted; and in the continuous casting process, protective pouring and immersion type sleeve sealing measures are adopted. According to the method, the nitrogen content in the steel is obviously reduced on the basis of molten steel nitrogen absorption and denitrification mechanisms and in combination with the operation characteristics of all the procedures, the method is easy to operate, nitrogen control of the whole process in the electric furnace steelmaking process is stable, and it can be effectively guaranteed that the nitrogen content in a finally obtained product is smaller than 30ppm.

The invention discloses a household hidden-type power distribution box capable of preventing accidental touch. The power distribution box includes a wall body and a box body; the box body is installedon the right side of the interior of the wall body, a base is installed on the left side of the interior of the box body, a frame is arranged on the right side of the wall body, and the box body penetrates through the wall body to be connected with the frame; a baffle is arranged on the left side of the interior of the frame and connected with the frame through a first support, and a first clamping hook is arranged on the right side of the interior of the frame. According to the household hidden-type power distribution box, through cooperation of the box body and the wall body, the power distribution box body can be hidden in the wall body; through cooperation of the baffle and the first support, children can be prevented from opening a pressing cover by accident; through cooperation of afirst connecting rod, a second connecting rod and a torsion spring, the pressing cover can be automatically pushed to rotate around a hinge and is maintained open; through cooperation of the pressingcover and a panel, the pressing cover can be shielded and hidden; through cooperation of a first clamping rod and a first compression spring, the pressing cover can be easily clamped and fixed.

The present invention relates to a marine submarine cable laying device and a laying method thereof. The marine submarine cable laying device comprises a fixing frame, a slotting device, a cable pulling device and a landfill device, the fixing frame is of a U-shaped structure, and the slotting device is installed at the right side of the interior of the fixing frame. The cable pulling device is installed in the middle of the interior of the fixing frame, and the landfill device is installed at the left side of the interior of the fixing frame. The marine submarine cable laying device and the laying method thereof can solve the problems that when an existing device is used for laying submarine cables, the cable pulling effect is poor, slipping is likely to happen in the cable pulling process, a protection layer at the outer side of the cables is damaged, the service life of the cables is shortened; and when the existing device is used for laying the submarine cables, only the cables canbe laid on the submarine ground generally, and the cable cannot be protected, so that the cable is easily broken by external environmental factors, and the use effect of the cable is influenced.

The invention provides a silicon-carbon composite negative electrode material for a lithium-ion battery and a preparation method thereof. The method includes steps: step 1, dispersing micron silicon in a solvent, and performing grinding to form nanometer silicon slurry; step 2, adding a carbon matrix, a binder and a conductive agent to the solvent for uniform mixing to obtain slurry 1, and addingthe nanometer silicon slurry in step 1 into the slurry 1 for uniform mixing to obtain slurry 2; step 3, drying the slurry 2 to obtain a precursor material 1, performing fusion on the precursor material 1 and a covering agent to obtain a precursor material 2, and placing the precursor material 2 in a protection atmosphere for thermal treatment to obtain a precursor material 3; step 4, crushing theprecursor material 3, mixing the crushed precursor material 3 with the covering agent, and performing high-temperature thermal covering to obtain a precursor material 4; and step 5, placing the precursor material 4 in the protection atmosphere for high-temperature carbonization treatment to obtain the silicon-carbon composite negative electrode material. According to the material and the preparation method thereof, the silicon-loaded carbon matrix is wrapped by conductive carbon so that direct contact of the silicon negative electrode and electrolyte is isolated, and the cycle performance of the battery is enhanced.

The invention discloses a double-layer knitted fabric and a knitting method thereof. The double-layer knitted fabric comprises a surface fabric and an inner fabric and is characterized in that the surface fabric is knitted by surface yarn, the inner fabric is formed by interweaving the inner yarn and connecting yarn, the connecting yarn is used to connecting the surface fabric and the inner fabric to form a whole of the double-layer knitted fabric, the surface yarn is made by spinning cashmere fibers, the inner yarn is made by mixedly spinning thermal-storage and temperature-regulated fibers and cashmere fibers under the mass ratio of 30-70 to 70-30, and the connecting yarn is made by pure spinning the thermal-storage and temperature-regulated fibers. The connection method of the connecting yarn is that according to the design requirements of density of connection points, tucking stitch is used in doing the lower stitch, looping stitch is used in doing the upper stitch, and the process repeats, and thus, the loop system of the connecting yarn of the thermal-storage and temperature-regulated fibers is achieved, and the thermal-storage and temperature-regulated fibers and coils of the inner yarn form a full column. The knitting method is used to complete the knitting of the double-layer knitted fabric on a computerized flat knitting machine.

The invention mainly relates to power semiconductor rectifiers, in particular to a super barrier rectifier integrating Schottky diodes and a manufacturing method thereof. A groove type SBR component is manufactured, and is provided with body diodes connected with MOS tubes in parallel and the Schottky diodes, the threshold voltage of the barrier MOS tubes is lower than the barrier voltage of a conventional PN junction, and the voltage of the forward connection of the SBR is lower than the forward connection voltage of a conventional PN diode, the SBR is made to have fast on-off speed, and have high reverse withstand voltages.

The invention relates to privacy cover up the display-and-control methods. In order to protect privacy, and so on and rely on the shake perturbation / tilt to operate mobile surveillance images shown by the overlapping shows Intra the privacy of concealment, use surveillance cameras in the reader to search for the tilt angle of the benchmarks set incompatible with the shake perturbation angle privacy concealment displacement values, so that the proper privacy to cover up a shake perturbation / Mobile operators to tilt, or when equipped with surveillance camera shake by perturbation / tilt devices shake perturbation / tilt operation, retrieval read tilt angle to set benchmarks for the different perspective shake perturbation compensation values used in the calculation of a mobile display with surveillance cameras privacy to cover up the virtual control of shaking after perturbation , available to use surveillance cameras to rely on surveillance cameras showed that with the privacy to cover up properly conducted shake perturbation / tilt to mobile operators, which can effectively prevent intra surveillance images shown by the result of specific clip shake perturbation / tilt and exposed out.

The invention provides a casing of a loudspeaker. The casing comprises a first housing and a reinforcing steel part, wherein the first housing is provided with a first accommodation space, the reinforcing steel part comprises a body and a supporting connecting plate which extends from the body, the reinforcing steel part and the first housing are formed integrally, the first housing comprises an accommodation hole and a cavity which is communicated with the first accommodation space, the body is arranged corresponding to the accommodation hole, one end of the supporting connecting plate is embedded inside the first housing, and the other end of the supporting connecting plate extends to a position of the cavity. In the casing of the loudspeaker, the integral reinforcing steel part is formed by an injection moulding technology, and the supporting connecting plate of the reinforcing steel part is directly embedded inside the first housing, so that the integral appearance is flat and attractive, the probability of corrosion damage of the reinforcing steel part is greatly reduced, and the reliability of a product is improved. Simultaneously, the invention also provides the loudspeaker using the casing and a manufacturing method of the casing.

The invention provides a blood collection needle, comprising a needle tube base, a needle tube, a base, a sliding mechanism and a needle tube sheath, the first end of the needle tube base is connected to the needle tube, the second end of the needle tube base is connected to the base, and the needle tube sheath is fitted on The first end of the needle tube seat is in contact with the first end of the sliding mechanism, the second end of the sliding mechanism is movably connected with the base, the needle tube seat is sleeved in the cavity of the sliding mechanism, and the size of the second end of the sliding mechanism is smaller than the needle tube The size of the first end of the seat, the sliding mechanism can slide relative to the needle tube seat, the first end of the needle tube seat is provided with a card slot, and the second end of the sliding mechanism is provided with a card protrusion, when the sliding mechanism slides to the second end of the sliding mechanism When the position is in contact with the first end of the needle tube seat, the locking protrusion is locked into the locking groove, and the sliding mechanism completely wraps the needle tube. The lancet can effectively prevent acupuncture.