34results about How to "Solve big problems" patented technology

The embodiments of the invention disclose a supervisory video recording device. The device comprises a first processing unit, a first judgment unit and a second processing unit, wherein the first processing unit is used for, when detecting a first terminal in a working state, acquiring environmental feature information; the first judgment unit is used for judging whether the environmental feature information satisfies a first preset condition; and the second processing unit is used for, if the environmental feature information satisfies the first preset condition, acquiring supervisory video information and storing the supervisory video into the first terminal. The embodiments of the invention simultaneously disclose a supervisory video recording method. The device and the method realize supervisory video recording, reduce the pressure of video on the storage space, and improve the user experience.

The invention relates to a miniature micro-rectangular electric connector which belongs to the field of electronic information elements. The invention performs improvement on the existing micro-rectangular electric connector. A housing of the designed electric connector comprises an overall housing connected with a mounting hole, the inner wall of the housing adapts to a base, the housing further comprises a connecting and mounting structure, the filling and sealing end and a flange part of the housing are integrated into a whole, a flange does not need to be specially mounted; anti-skid grooves are arranged on the upper plane and the lower plane of the housing at the filling and sealing end; an anti-shedding screw and an anti-rotation screw are designed as accessories; in order to adapt to the new standard, a general electric connector, a straight type welding printed plate electric connector and a curved type welding printed plate electric connector which are arranged at a spacing interval of 1.00mm with the contact part are provided. By adopting the miniature micro-rectangular electric connector, the volume is further reduced, the weight is reduced, and the high reliability is ensured. The miniature micro-rectangular electric connector is mainly applied in aviation, spaceflight, electronics, ships, weapons, information industry and other national defense key projects, and can be also widely applied in the technical fields of communication with high reliability, radio equipment and instruments, self-control and the like.

The invention discloses a codebook determination method, a codebook determination device, a terminal, a base station and a storage medium, and the codebook determination method comprises the steps that UE determines the time when the UE can receive PDSCH data according to the awakened time; and the UE forms a corresponding hybrid automatic repeat request acknowledgement (HARQ-ACK) codebook according to the time when the PDSCH data can be received. In the embodiment of the invention, the UE determines the opportunity of receiving the PDSCH data from the middle machine capable of transmitting the PDSCH data, and then forms the codebook for the opportunity of receiving the PDSCH data, so that the problem of higher codebook overhead is solved, the size of the codebook is reduced, and the codebook overhead is reduced.

This invention belongs to the field of microelectronic technology. It is a kind of method of multi-valued phase transformation memorizer. It uses semiconductor characters of phase transformation membrane material or composite material of other semiconductor material and phase transformation membrane to form semiconductor membrane transistor. It uses characters that phase transformation material can change reversibly under electricity effect to change channeling length of semiconductor membrane transistor so as to achieving storing long number in single memory cell. The membrane transistor can form spatial stereoscopic structure to increase density and do not need to occupy area of silicon substrate. Such, this invention can increase storing density greatly and solve the question of 1T1R structure phase transformation memorizer peripheral circuit occupying too large areas of silicon substrate.

The invention provides an isolation protection device and construction method for preventing pile foundation reinforcement cage deflection, and belongs to a bridge construction auxiliary device in construction engineering and a construction method of the bridge construction auxiliary device. The isolation protection device comprises a guiding column, and a hook is arranged at the top end of the guiding column. The hook is shaped like an n. The construction method for preventing pile foundation reinforcement cage deflection comprises the steps that the guiding column stretches into a pile hole; the n-shaped hook is hanged on a steel casing; a reinforcement cage is installed in place; concrete is poured. The isolation protection device and construction method for preventing pile foundation reinforcement cage deflection have the advantages that the guiding column has the effects of guiding and isolation with the hole wall on the reinforcement cage, and in the pouring process, the reinforcement cage is not likely to deflect. Along with increasing of the poured concrete quantity, the torque becomes larger, the guiding column always exists to conduct isolation and guiding in the middle, it is guaranteed that on the condition that the torque becomes larger, deflection does not occur, the bending moment in the reinforcement cage is not accumulated to be too large, the phenomena that in the concrete pouring process, the reinforcement cage rotates left and right, swings to collide the hole wall, deflects and deforms can be effectively prevented, deflection control is stable and reliable, and the construction quality is guaranteed.

The invention provides a novel multifunctional automobile, which leads a tyre which can not be burst to be arranged on a front wheel; the seats at the front row of the vehicle adopt an extrusion-proof automobile safety seat which can automatically move to the safety area behind together with the driver in the first row when the automobile is subject to a severe positive direction component collision accident; the seats in the second row adopt a backrest which can turn forwards and after a travelling mattress is arranged well, the rear of the carriage of the automobile becomes a simple bed where people can be rested; meanwhile, the distance between the seats in the second row and the seats in the first row is more than 60cm, thus ensuring enough backing distance of the front row extrusion-proof automobile safety seat when the automobile is subject to the severe positive direction component collision accident, and thereby achieving the object that the driver in the front row has enough living space while the personnel in the second row are not extruded.

The invention discloses an evidence obtaining and tracing method and device for terminal attacks and computer equipment. The evidence obtaining and tracing method comprises the steps: obtaining an evidence obtaining and tracing request; according to the evidence obtaining and tracing request, obtaining an object corresponding to a process, a file or an event to be subjected to evidence obtaining and tracing, all tags of the object and event information of the event related to each tag, and adding the object to a pre-constructed attack graph; adding all labels corresponding to the object into apre-established label set; traversing the label set; for each label, obtaining an object corresponding to the label and adding the object into the attack graph, and meanwhile, obtaining an associatedlabel of the label and adding the associated label into the label set for traversing. According to the forensic traceability method, the forensic traceability device and the computer equipment, the sources of all the labels on the object are explained, traceability is carried out according to the generation process of the labels, so that a relatively complete attack graph is rapidly constructed,the storage consumption and the calculated amount are greatly reduced, and the application universality of the forensic traceability method is improved.

The invention discloses a modeling method for a multi-cell LPV system of an elastic hypersonic aircraft. The method comprises the following steps: establishing an elastic hypersonic aircraft nonlinearlongitudinal model, obtaining corresponding aerodynamic parameters, analyzing the relationship between the elastic deformation of an aircraft and a rigid body of the aircraft, and establishing a mathematical model; establishing a three-input three-output multi-cell LPV system model and a two-input two-output multi-cell LPV system model for the nonlinear longitudinal model of the hypersonic aircraft based on Jacobian linearization and tensor product transformation; to be specific, selecting a scheduling variable, and performing Jacobian linearization at a balance point to obtain a continuous LPV model; discretizing the continuous LPV model and storing the discretized continuous LPV model in a tensor; performing high-order singular value decomposition on the tensor to extract a core LTI vertex system; and constructing a continuous weight function of a core LTI vertex system. According to the method, the multi-cell LPV model capable of reflecting the elasticity of the hypersonic flight vehicle is established, the characteristics of the large flight envelope of the hypersonic flight vehicle are covered, the modeling calculation amount is reduced, and meanwhile the modeling precision is kept.

The invention discloses a gas purification and separation device of a dynamic space separation mesh. The gas purification and separation device comprises a cylindrical support platform; and an air inlet and an air outlet are respectively arranged at two ends of the support platform. The gas purification and separation device of the dynamic space separation mesh is characterized in that a motor bracket and a support frame are respectively fixed at two inner ends of the support platform; a motor is arranged on the motor bracket; a shaft sleeve is arranged on the support frame; a bearing is arranged in the shaft sleeve; an output shaft of the motor is connected with one end of a main shaft through a coupling; the other end of the main shaft is sheathed in the bearing; a separation mesh which is fixed with the main shaft is sheathed outside the main shaft; more than one hollow deflection baffle is fixed on the support platform; a deflection baffle is fixed on the main shaft; gaps are arranged between the hollow deflection baffle and the separation mesh as well as between the deflection baffle and the separation mesh; and an oil outlet is arranged at the lower end of the air outlet end of the support platform. The gas purification and separation device is simple in structure, large in throughput and smaller in volume.

The invention provides a method for preparing a high-precision silver electrode by a side wall protection process, which utilizes a side wall protection mechanism of a Bosch process and undercut morphology after Ag wet etching, deposits a passivation polymer by the Bosch process C4F8 after Ag etching, etches polymers at the bottom and the top by SF6, reserves a side wall passivation layer polymeras a protection layer, and protects Ag from being etched during bottom ITO etching so as to reduce CD loss. By using the Bosch side wall protection etching process, the CD loss can be reduced from more than 1 micron of one-step wet etching to less than 0.1 micron, and the ultra-high resolution display requirement is met.

An embodiment of the invention provides an optical switch matrix and a control method thereof. Through transmitting a first single-mode optical signal and a second single-mode optical signal in an optical communication network through waveguides with the same length in a first mode in the optical switch matrix and processing by the same device, and performing one-time mode conversion, a problem ofrelatively high PDL and DGD of the optical signal in the optical network through processing by the optical switch matrix is settled. Furthermore, through arranging a first crossed waveguide, a secondcrossed waveguide, a third crossed waveguide and a fourth crossed waveguide, a number difference between the crossed waveguides on different waveguides is reduced, thereby further reducing the PDL.

The invention provides a high-power electronic gun comprising a built-in electronic gun core which is arranged on an upper barrel of a gun chamber, wherein an anode seat is arranged below the upper barrel of the gun chamber, and an anode of an electronic emission system is arranged on the anode seat; the bottommost part of the electronic gun is a gun seat of the electronic gun; an inner cover forbombarding current bunching is arranged outside a lamp filament of the gun core; two groups of magnetic lenses and blocked holes are arranged in a light path system of electron beams, wherein the magnetic lenses and the blocked holes are matched; a coiling chamber of first magnetic lenses is arranged between the anode seat and a lower barrel of the gun chamber, a water-cooling blocked hole seat is arranged between the lower barrel and the seat, and the blocked holes are arranged on the blocked hole seat; deflecting and scanning coils are arranged on the gun seat, and coils of second magnetic lenses are arranged above the defecting and scanning coils; and a gun cover is additionally arranged outside the gun core, a draught fan is arranged on the gun cover, and a safety hood, a group of airbarrels and an outer cover assembly arranged outside a cathode encircle a gun core body to form a cooling wind path. According to the invention, the problem of the urgent need for the high-power electronic gun in the existing industrialization is solved.

The invention relates to a spraying device for an oscillation sorter, which comprises a frame body, an adjusting piece and a spray head; the frame body is detachably mounted on the oscillation sorterand extending towards the top of the oscillation sorter; the adjusting piece is rotatably mounted at the top of the frame body; and the spray head is installed at the top of the adjusting piece and connected with a water pipe, the water pipe supplies water to the spray head, the adjusting piece is rotated so as to rotate and adjust the spray head in the horizontal direction, the spray head sprayswater to the position, where flying dust occurs, of the oscillation sorter, and therefore sedimentation flying dust is achieved. According to the device, the problem that much dust is raised during sorting of the sorter is effectively solved, the spraying device is used for spraying water to the sorter, so that the dust descends when encountering water, the dust is prevented from flying everywhere, the influence on the site construction environment is reduced, the harm to the body of construction personnel is reduced, and the purpose of environment-friendly construction is achieved.

The invention relates to a soilless cultivation pipeline. Field-planting clamping grooves are inserted into positioning holes; drip irrigation branch tubes are inserted into the field-planting clamping grooves; a root supporting part is arranged on the inner bottom surface of the soilless cultivation pipeline in the length direction; one end of the soilless cultivation pipeline is sealed, and the other end of the soilless cultivation pipeline is blocked with a cover with a reflux inlet. The invention further provides a soilless cultivation pipeline system which comprises four parts, namely the soilless cultivation pipeline, a supporting and fixing steel frame, a nutrient solution circulating system and a control system. According to the soilless cultivation pipeline system provided by the invention, water and fertilizer are economized, and the yield and efficiency are high, so that the system is a sealed and zero-discharge ecological cultivation system.

The invention provides a grid rudder transmission mechanism for a space transporter. The grid rudder transmission mechanism for the space transporter comprises a supporting column, a wall panel, an actuator, a main shaft, a rocker arm, a space ring, a large lock nut, a small lock nut, an end cover, a pin cover, two specially-made pins, an adjusting shim, a dual-column full roller bearing and two tapered roller angular contact bearings. One end of the supporting column is connected with the wall panel, and the other end of the supporting column is connected with the end cover. The main shaft issequentially provided with the dual-column full roller bearing, the large locknut, the rocker arm, the space ring, the two tapered roller angular contact bearings and the small locknut in series. Themain shaft can freely rotate with the support of the three bearing together. A key groove of the rocker arm is used in cooperation with a key groove in the main shaft. An actuator fixed rod is connected with the wall panel through one specially-made pin. An actuating rod is connected with the rocker arm through one specially-made pin. The actuating rod of the actuator axially extends and contracts to drive the rocker arm so as to drive the main shaft to rotate.

A briquette pellet cooling device comprises a cooling tower body and a cyclone dust collector, the cooling tower body comprises a storage bin, a discharge bin and a buffering umbrella, vent holes are densely distributed in the buffer umbrella, a plurality of rectangular through holes are formed in the outer wall of the storage bin, the lower end opening of the storage bin is in butt joint with the upper end opening of the discharge bin, the buffering umbrella is arranged in the storage bin, an air draft hole is further formed in the outer wall of the storage bin, the cyclone dust collector comprises a negative pressure air inducing pipe and a cyclone dust collecting body, one end of the negative pressure air inducing pipe is connected with the air draft hole, the buffering umbrella is arranged in the storage bin, briquette coal pellets firstly fall on the conical top end of the buffering umbrella, and can slowly slide off from the upper surface of the buffering umbrella to reduce the pellet breaking rate of the briquette pellets, negative pressure is formed in the negative pressure air inducing pipe, and air outside the storage bin enters the storage bin from the rectangular through holes, the air holes of the buffering umbrella and the gap between the buffering umbrella and the storage bin, so the problem that dust is large on site is solved. The invention further provides a briquette coal production system.

The invention discloses a casing pollution discharge apparatus and method. The apparatus mainly comprises a snow throwing impeller (1), an impeller housing (2), a screw conveyer (3), a screw conveyer housing (4) and a hole (6). Through simple and practical pollution discharge apparatus design, the problem of needing manual pollution discharge is solved.

A clothes hanger with clips comprises a transverse supporting rod positioned below a clothes hanger body. The clothes hanger is characterized in that a plurality of clips are slidably arranged on the transverse supporting rod. The clothes hanger has the advantages that small articles such as socks and underwear can be clipped by the clips below the clothes hanger body when aired; the clothes hanger body and the clips below the clothes hanger body are positioned in the same plane basically; when not used, the clothes hangers on a clothes pole can be gathered conveniently, the space is saved, and the ventilation quantity can be increased; large clothes can also be hung on the clothes hanger; a big problem is solved by the slips; and the clothes hanger with the clips is convenient and easy to use.

The invention provides a Fischer-Tropsch synthesis method for wax by utilizing low-rank coal. The Fischer-Tropsch synthesis method comprises the following steps: drying the low-rank coal to obtain dried low-rank coal and waste gas; removing dust from the waste gas to obtain coal powder; gasifying and reducing the dried low-rank coal under an oxygen-free or micro-aerobic condition to obtain an oil-gas mixture and quality-improved coal; preparing the oil-gas mixture into mixed gas and wastewater; reforming and transforming the mixed gas to prepare synthetic gas; preparing coal water slurry through the wastewater, the coal powder and a coal water slurry additive and then preparing synthetic gas; preparing synthetic gas by utilizing the quality-improved coal; after mixing the three types of synthetic gas, removing CO2 and supplementing H2 or CO to adjust a hydrogen-carbon ratio of the synthetic gas to be 1.5 to 2.2; carrying out distillate oil steam stripping and the like on a product, which is obtained by carrying out Fischer-Tropsch synthesis reaction on the synthetic gas, to obtain wax, heavy oil and naphtha. According to the Fischer-Tropsch synthesis method provided by the invention, the low-rank coal is used for producing light oil, the heavy oil and the wax through a Fischer-Tropsch synthesis technology and is convenient to transport, and the utilization rate of resources isimproved; the source of raw materials is wide, the energy consumption of the technology is low, wastes are utilized and the production cost is easy to save.

The invention provides a high-power electronic gun comprising a built-in electronic gun core which is arranged on an upper barrel of a gun chamber, wherein an anode seat is arranged below the upper barrel of the gun chamber, and an anode of an electronic emission system is arranged on the anode seat; the bottommost part of the electronic gun is a gun seat of the electronic gun; an inner cover for bombarding current bunching is arranged outside a lamp filament of the gun core; two groups of magnetic lenses and blocked holes are arranged in a light path system of electron beams, wherein the magnetic lenses and the blocked holes are matched; a coiling chamber of first magnetic lenses is arranged between the anode seat and a lower barrel of the gun chamber, a water-cooling blocked hole seat is arranged between the lower barrel and the seat, and the blocked holes are arranged on the blocked hole seat; deflecting and scanning coils are arranged on the gun seat, and coils of second magnetic lenses are arranged above the defecting and scanning coils; and a gun cover is additionally arranged outside the gun core, a draught fan is arranged on the gun cover, and a safety hood, a group of air barrels and an outer cover assembly arranged outside a cathode encircle a gun core body to form a cooling wind path. According to the invention, the problem of the urgent need for the high-power electronic gun in the existing industrialization is solved.

The invention relates to a dewatering and drainage system, in particular to the dewatering and drainage system for underground construction. The purpose is to provide the dewatering and drainage system that can drain water above the drainage level, and can automatically drain water when the water is higher than the warning water level. The system comprises a water collection tank, a pressure-resistant bin, a honeycomb duct, a drain valve, a water level observation hole, a decompression pipe and an exhaust pipe, wherein the water collection tank is lower than a drainage plane; the pressure-resistant bin is arranged as a closed tank, the bottom part is arranged in the water collection tank to be communicated with the water collection tank, and the upper part extends out of the drainage plane; one end of the honeycomb duct extends into the pressure-resistant bin, and the other end extends out of the drainage plane and is a certain height higher than the drainage plane; the drain valve isarranged at the bottom of the honeycomb duct, and higher than the drainage plane; the water level observation hole is formed in the honeycomb duct; the decompression pipe and the honeycomb duct are communicated and arranged in parallel, and an outlet extends to a drainage ditch; and the exhaust pipe is arranged at the upper end of the honeycomb duct. The dewatering and drainage system is simple instructure, solves major problems, fundamentally solves the drainage problem of underground buildings such as basements and underground garages when the water level rises, and avoids the situation that the basements and the underground garages are flooded, and only water pumping can solve the problem.

The invention provides a grid rudder transmission mechanism for aerospace vehicles, which includes a support column, a wall plate, an actuator, a main shaft, a rocker, a spacer, a large lock nut, a small lock nut, an end cover, a pin Cover, two special pins, adjusting spacers, double row full complement roller bearings, two tapered roller angular contact bearings. One end of the supporting column is connected with the wall plate, and the other end is connected with the end cover. Double-row full complement roller bearings, large lock nuts, rockers, spacers, two tapered roller angular contact bearings, and small lock nuts are installed in series in series on the spindle axis. The main shaft can rotate freely under the common support of three bearings. The keyway on the rocker mates with the keyway on the spindle. The fixed rod of the actuator is connected with the wall plate through a special pin, and the actuating rod is connected with the rocker through a special pin. The actuating rod of the actuator stretches axially to drive the rocker, which in turn drives the main shaft to rotate.

The invention provides a heat dissipation structure, a battery module, a heat dissipation system and a control method of the heat dissipation system. The heat dissipation structure comprises a liquidcooling pipe, wherein the liquid cooling pipe is located at one side, far away from a battery cell assembly, of a connecting row of the battery module, and the extension direction of the liquid cooling pipe is parallel to the extension direction of the connecting row; flowing cooling liquid is introduced into the liquid cooling pipe to dissipate heat of the battery module; the insulating part is in a strip shape, the extending direction of the insulating part is parallel to the extending direction of the liquid cooling pipe, the insulating part is located between the liquid cooling pipe and the connecting bar so that the liquid cooling pipe and the connecting bar can be insulated, and the insulating part makes contact with the liquid cooling pipe and the connecting bar so that heat of theconnecting bar can be transmitted to the liquid cooling pipe. According to the heat dissipation structure provided by the invention, a problem of poor heat dissipation effect at the connecting row ofthe battery module in the prior art is solved.

The gas purification and separation device with a dynamic space separation network has a cylindrical support platform, and the two ends of the support platform are respectively provided with an air inlet and an air outlet. There is a motor, a shaft sleeve is provided on the support frame, and a bearing is arranged in the shaft sleeve; the output shaft of the motor is connected to one end of the main shaft through a coupling, and the other end of the main shaft is sleeved in the bearing; the outer surface of the main shaft is provided with a separation net, and the separation net It is fixed together with the main shaft; there is not less than one hollow baffle plate fixed on the support platform, and the baffle plate is fixed on the main shaft, and the hollow baffle plate and the separation net are all There is a gap; an oil outlet is provided at the lower end of the gas outlet end of the cylindrical support platform. The gas purification and separation device has the advantages of simple structure, large processing capacity and small volume.

The invention provides a network and monitoring equipment box, which is composed of a rain hat (1), a box body (2) and a base (3), wherein the connection among the rain hat (1), the box body (2) and the base ( 3) can be disassembled; the box body (2) has a front door (4) and a side door (5), and network equipment rack mounting beams (6) are arranged inside the side door (5); in the front door (4)of the box body (2), a mounting backplate in the middle is provided with a detachable small mounting backplate with holes (10); wire incoming holes are formed in the side surface, rear surface and bottom part of the box body (2); and the box body (2) is provided with warning reflective strips. The network and monitoring equipment box can be used for simultaneously installing 19-inch standard network equipment and monitoring equipment, optimally centralizes intelligent power control units to saves space, makes the wiring simple and convenient by means of a plurality of wiring ports, facilitatesthe maintenance and repair by adopting the mounting backplate, is safer in power management, is more standardized in monitoring wiring, can play a warning role by means of the reflective strips, andenlarges the application range of one product since the product can be used in various environments.

The invention discloses a mechanism suitable for an NTC442 diamond wire cutting device. The mechanism mainly comprises a pressing block, a left shaft sleeve frame, nuts, a left square shaft sleeve, a half shaft, bolts, a right shaft sleeve frame and a right square shaft sleeve; the top surface of the pressing block is provided with a mounting hole, the bottom surface of the pressing block is provided with a half slot, the pressing block is fixedly mounted on the top surface of the left square shaft sleeve by the corresponding bolts, the top surface of the left square shaft sleeve is provided with a half slot, the left shaft sleeve frame is provided with a groove, the left square shaft sleeve is mounted in the groove of the left shaft sleeve frame by the corresponding bolts and nuts, the right square shaft sleeve is provided with a cylindrical hole, the right shaft sleeve frame is provided with a groove, the right square shaft sleeve is mounted in the groove of the right shaft sleeve frame by the corresponding bolts and nuts, the left end of the half shaft is mounted in a cylindrical hole formed by the half slot of the pressing block and the half slot of the left square shaft sleeve by a bearing, and the right end of the half shaft is mounted in the cylindrical hole of the right square shaft sleeve by a bearing.

The invention discloses a method and device for sending signaling tracking information. The method includes: carrying a plurality of signaling tracking configuration parameters corresponding to signaling tracking in the signaling tracking information; sending signaling tracking information for activating signaling Signaling trace or maintaining signaling trace. The invention reduces the signaling interaction burden of the S1 interface and improves the performance of the system.