264results about How to "Avoid losing" patented technology

The invention discloses a method for tracking formation of an antenna beam of a phase array in a mobile satellite communication, relating to a fast antenna tracking technology in the field of mobile satellite communication. The method comprises the steps that: a receiving channel of antenna equipment is divided into a communication channel and a beaconing channel; in the beaconing channel, orthogonal and digital down-conversion of a beaconing signal is carried out and then a low-frequency signal is formed after decimation filtering and processed by an arrival algorithm; the direction of arrival of waves from a satellite is estimated and then the beam formation calculation of the communication channel is carried out based on the direction of arrival of waves and the weight of each communication channel is calculated; according to the weight, phase-shifting is carried out on the radio frequency of the communication channel and beams pointing at the satellite are formed on the communication channel to realize the tracking. The method of the invention has the capacity of fast tracking, saves the servo-mechanical structure, and has the advantages of good performance in impact resistance and shock resistance, small volume, light weight, convenient installation, small breadth, etc., especially applicable to tracking the objects in mobile carriers, such as vehicles, and airplanes, etc.

The invention belongs to a five-bit radio-frequency MEMS phase shifter in radio-frequency communication and MEMS technologies, comprising a CPW signal wire, an insulating layer, a grounding wire, an MEMS hole-plate metal beam, an elastic cantilever-type support, a proportional capacitor, a direct current (DC) bias electrode, an insulating layer, 31 MEMS switches consisting of bias leads, 5 DC loaded electrodes, connecting leads and a substrate with an insulating layer. The invention effectively overcomes the defect of phase-shifting malfunction of the MEMS metal beam due to self oscillation by adding the DC bias electrode, adopts the hole-plate metal beam and the elastic cantilever-type support to decrease a voltage to be pulled down by approximate 9V, not only realizes the small step of 11.25, 5-bit phase shifting and 32 phase-shifting states, but also has little reflection loss and high phase-shifting precision up to 3.5 and has the advantages of low insertion loss and pull-down voltage, small step amplitude, high bits, phase-shifting precision and reliability of the phase shifter, simpler machining process, matched use with a modern electronic communication system, and the like.

Embodiments of the present application provide a method, an apparatus, and an electronic device for assigning usage rights to a shared device. The method comprises the following steps of: receiving aright application request sent by a user terminal; the right application request comprises: device ID of the requested device and device occupancy time information; if the device ID of the requested device is not in the occupied device list, storing the device ID and the device occupancy time information of the requested device in the occupied device list as the device occupancy information of therequested device, and assigning the use right of the requested device to the user terminal; determining an occupancy end time of the requested device according to the occupancy time information of the device; if the usage time of the requested device reaches the occupation end time, the requested device is released. Embodiments of the present application can reasonably allocate shared equipment resources according to the actual needs of users and ensure the exclusive right of users to the shared equipment.

The invention discloses a vacuum preserving refrigerator which includes special preserving box and sucking disc. They are connected with each other by suction nozzle in which check valve structure is set. The sucking disc is connected with evacuation device. The pipeline connected with the vacuum pump in the vacuum preserving refrigerator will not take up storing area, deform and loosen caused by collision. Even the suction nozzle is separated from the sucking disc which can not make the preserving box lose vacuum state.

The invention relates to a magnetic iron-based graphite intercalation compound and a preparation method thereof. The magnetic iron-based graphite intercalation compound is prepared from graphite micro powder through pre-oxidation, mixing of the graphite micro powder and ferric chloride, drying, intercalation, acid washing and reduction. According to the magnetic iron-based graphite intercalation compound and the preparation method thereof, used raw materials are easy to obtain, the method is simple and efficient, an obtained product has the good magnetic conductivity of iron-based magnetic materials and good electrical conductivity of graphite-based materials, excellent stability of the iron-based intercalation compound is achieved through the intercalation structure, and the magnetic iron-based graphite intercalation compound has good application prospect in the fields such as electromagnetic shielding, intelligent guided missile packaging materials, infrared absorption materials, and electrical conductive slurry due to all the characteristics of the magnetic iron-based graphite intercalation compound.

The invention discloses an aluminium base amorphous composite powder, comprising the following four elements in atomic percent: 86-89.8% of aluminium, 5-7% of nickel, 5-7% of yttrium and 0.2-0.5% of carbon. The invention also discloses a mechanical alloying preparation method of the amorphous powder and an aluminium base bulk amorphous alloy obtained by adopting a powder consolidation forming method while the amorphous powder is utilized. A carbon element material with high thermal stability is doped, and reasonable composition proportion is adopted, thus thermal stability of the amorphous alloy is unprecedentedly improved, glass transition temperature and initial crystallization temperature are respectively adjusted and increased to 945K and 1063K, and an enhancement effect is obvious. The preparation method has a simple process and low cost, the prepared bulk amorphous alloy can guarantee performances of bulky amorphous alloys, and reliable technological parameters are provided for industrial production of the aluminium base amorphous alloy in future.

The invention discloses a method, a device and a system for preventing terminal equipment from being forgotten in a vehicle and the vehicle. The method comprises the following steps that first information of the terminal equipment is acquired when a driver leaves a driving position; whether the terminal equipment is forgotten in the vehicle or not is judged according to the first information; andif the terminal equipment is judged to be forgotten in the vehicle, prompting information is sent, wherein the prompting information is used for prompting the driver that the terminal equipment is forgotten in the vehicle. According to the method disclosed by the embodiment, a user can be prevented from leaving the terminal equipment in the vehicle when the user gets off, so that the use experience of the user is improved.

The invention relates to the field of intelligent automation devices and particularly relates to a smart vending machine facilitating picking up goods and preventing goods from being left behind. Thevending machine comprises support legs, a cabinet and an electrical execution system. A plurality of storage boxes are arranged in the cabinet. The storage boxes are equipped with goods outputting cabinet doors. A hydraulic push plate provided with a plurality of through holes in the lower part is arranged in each storage box and is connected with a hydraulic cylinder. A two-dimensional code display lamp is arranged on each goods outputting cabinet door. A thru-beam laser receiver is arranged on the bottom of each storage box. A surrounding plate in front of the cabinet is equipped with a buzzing alarm, an LED advertisement lamp and an infrared sensing probe. The electrical execution system comprises a power supply module, a master control module, a wireless data receiving module, an infrared sensing module, an LED display module, the buzzing alarm, a plurality of goods outputting cabinet door motors, the plurality of hydraulic cylinders, and the plurality of thru-beam laser receivers.The vending machine has a simple structure, can achieve remote control, facilitates picking up goods for consumers, and can prevent goods from being left behind.

The invention provides a retractable trapezoid support with cushion blocks. The retractable trapezoid support consists of a top beam and two combined stand columns, wherein each of the combined stand columns is formed by fastening a column head, a column body and a longitudinal retractable body which is arranged between the column head and the column body by bolts which pass through screw holes of the column head and the column body through a clamping plate on which a strip groove is formed; two ends of the top beam are in curved surface connection with the combined stand columns through sliding cushion blocks; and a transverse retractable body is arranged between the top beam and each sliding cushion block. The retractable trapezoid support has high bidirectional contractibility and can adapt to the change of ground pressure of a laneway better. Through the retractable trapezoid support, a fabricated reinforced concrete trapezoid support which is out of use due to lack of high contractibility can be used again, the support effect of an I-shaped steel support can be further improved, the using amount of the I-shaped steel support can be reduced, the quality of the laneway support can be improved, the support cost can be reduced, steel consumption can be reduced, wood is not needed, and ecological environment preservation, energy conservation and emission reduction are facilitated.

The invention discloses an intelligent tire state detection device and a vehicle control method and device based on the intelligent tire state detection device. The device comprises a tire body statesensing module, a tire environment state sensing module, an energy supply module and a data interaction module. The tire body state sensing module is used for collecting state parameters of a tire inthe vehicle running process. The tire environment state sensing module is used for collecting state parameters of the environment where a tire is located in the vehicle driving process. The data interaction module is used for sending data collected by the tire body state sensing module and the tire environment state sensing module to a vehicle ECU for vehicle control. And the energy supply moduleis used for providing a working power supply for the tire body state sensing module, the tire environment state sensing module and the data interaction module. According to the device, the conditionsof the tire body and the road can be monitored in real time and sent to the intelligent vehicle decision-making system for vehicle control, so that the safety and comfort of the intelligent vehicle are improved.

The invention relates to a flexible root crop separating device. The flexible root crop separating device comprises a rack, and a power shaft is arranged on the rack and connected with a diesel and provides power for the flexible root crop separating device. The flexible root crop separating device is characterized in that a quincunx angle adjustment device is arranged at the front end of the bottom of the rack, a rising and conveying chain lifting device, a lifting and conveying chain flexible shaking device and a lifting and conveying chain main driving wheel are sequentially arranged above the plane of the rack aslant, and the lifting and conveying chain main driving wheel is connected with the power shaft. In order to overcome the characteristics that root plants wind easily, soil can not be easily removed while the root plants roll, the root plants slide and drop along with soil blocks easily, and fruits can be easily damaged in the soil removing process, flexile seedling carding stirring teeth and the flexible shaking device for assisting transport are installed on an appointed bar strip of a bar strip type lifting and conveying chain innovatively, and flexible and efficient crop fruit and soil separation can be achieved for the crops.

The invention provides a device and method for preventing a bag from being left at a car boot and the bag. The device comprises a Bluetooth communication module, an acceleration sensor, a gyro sensor, a GPS (Global Position System) module, a data memory module and a master control module which are arranged in the bag, wherein the data memory module is used for storing a boot scene characteristic signal and a boot warning signal; the master control module comprises a scene judgment unit and a warning unit; the scene judgment unit is used for confirming that the bag is located in the boot when sampled signals generated by various modules and sensors are consistent with the boot scene characteristic signal; the warning unit is used for performing a warning operation when the bag is confirmed to be located in the boot and the signal of the Bluetooth communication module accords with a boot warning characteristic signal. According to the device, the method and the bag, after the scene that the bag is located in the boot is determined through multiple sensor signals, by comparing with the boot scene characteristic signal and generating a warning signal in advance, the loss of the bag can be avoided.

The invention relates to the cable mounting field and particularly relates to a holding type cable tightening clamp. The holding type cable tightening clamp comprises a cable pressing plate and a holding plate assembly, wherein the holding plate assembly comprises a first clamping plate and a second clamping plate, two ends of the first clamping plate and the second clamping plate are respectivelyconnected through two connecting components, two ends of the cable pressing plate are respectively connected with two sides of the holding plate assembly through two connecting components, and the connecting components are screw rods and threaded sleeves; and the first clamping plate, the second clamping plate and a cable pressing part are respectively hinged with the corresponding threaded sleeves, the middle of the first clamping plate can be matched with the middle of the second clamping plate so as to form a clamp ring, and the cable pressing plate is arranged on the cable pressing plate.The holding type cable tightening clamp is convenient to mount and dismount and occupies a small area, can be used for firmly clamping cables without damaging the cables, is applicable to insulatorswith different diameter specifications and is convenient to adjust.

The invention belongs to the cable installation field and relates to a hinging type wire tightening clamp. The hinging type wire tightening clamp comprises a wire pressing plate and a hinging plate assembly; the hinging plate assembly includes a first clamping plate and a second clamping plate; one end of the wire pressing plate is hinged to one end of the hinging plate assembly through a first connection component; the first connection component includes a hinging shaft and a first threaded sleeve which are in threaded connection with each other; the first threaded sleeve is hinged to the wire pressing plate; the other end of the wire pressing plate is detachably connected with the other end of the hinging plate assembly through a second connection component; the second connection component comprises a hanging rod and a second threaded sleeve which are in threaded connection with each other; the second threaded sleeve is hinged to the wire pressing plate; the hanging rod is provided with a non-circular hanging buckle; through holes are formed in the first clamping plate and the second clamping plate respectively; after the hanging buckle passes through the through holes, the hanging rod can be rotated, so that the hanging buckle can deviate from the second through hole so as to be hanged on the second clamping plate; the middle of the first clamping plate and the middle of thesecond clamping plate can be matched with each other, so that a clamping ring can be formed; and the wire pressing plate is provided with a wire pressing portion. The hinging type wire tightening clamp is convenient to install and disassemble, does not occupy space, and does not damage a cable.

The invention discloses a bucket elevator for conveying of fire coal, belongs to the technical field of bucket elevators. The coal is poured under the gravity when a compression shaking spring moves and reversely rotates to a position near a discharging bin, and a shaking function is achieved due to sudden reduction of shaking driven by resetting of the shaking spring; thus the coal is prevented from being left in a lifting bucket; when coal is left in the lifting bucket and the lifting bucket moves to a position close to a leaked material discharging bin, the coal will fall into the leaked material discharging bin again to be discharged under gravity because the lifting bucket is downward; for the coal which is not discharged, a belt length adjusting component and a belt length auxiliaryadjusting component are started to change the length of an elastic belt transmission component so that a side fixing plate of the lifting bucket component can make contact with the internal bottom ofa housing, then the coal left at the internal bottom of the housing can be pushed into the leaked material discharging bin, and thus the cleaning function is realized; the bucket elevator disclosed bythe invention needs no manual cleaning and is more convenient; and besides, the lifting bucket component is also relatively convenient by virtue of clamping, mounting, dismounting and cleaning.

The invention discloses a passive magnetic bearing and assemblies thereof. The passive magnetic bearing comprises a rotating shaft and a rotor assembly and one or more stator assemblies which are arranged on the rotating shaft. The stator assembly comprises a disk-shaped stator disc and a plurality of same block permanent magnets embedded in the stator disc; a bottom surface of the stator disc is provided with a plurality of sets of concentric annular stator grooves used for installation of the permanent magnets; each set of stator grooves comprises four annular stator grooves, permanent magnets of same polarity are disposed in a first stator groove and a fourth stator groove in terms of radial column numbers along the stator disc, and permanent magnets of same polarity but with polarity different from the polarity of the permanent magnets disposed in the first stator groove and the fourth stator groove are disposed in a second stator groove and a third stator groove. The rotor assembly comprises a disk-shaped rotor disc and a plurality of same block permanent magnets embedded in the rotor disc; and the bottom surface of the rotor disc is provided with rotor grooves in one-to-one correspondence to the stator grooves for installation of the permanent magnets. The passive magnetic bearing provided by the invention has the advantages of low cost, easy preparation and stable operation.

The invention provides an intelligent power saving method, a mobile terminal, electronic equipment and a storage medium. The method comprises the steps of obtaining a current position and a current moment of a user; calculating expected time required for the user to arrive at the target position with first time capable of being maintained in the normal working mode; calculating a second time thatcan be maintained in the first power saving mode when the desired time is greater than the first time; when the expected time is equal to the second time, switching the working mode into a first powersaving mode; and when the expected time is greater than the second time, switching the working mode to the first power saving mode or the second power saving mode, the duration in the first power saving mode is the first time, wherein the duration in the second power saving mode is the time difference between the expected time and the second time. According to the invention, the mobile terminal can be intelligently controlled to enter the power-saving mode according to the actual situation of the user, so that the service life of the mobile terminal can be prolonged, and the mobile terminal is prevented from failing to play functions.

The invention discloses a honeycomb three-dimensional porous silicon/carbon composite material and a preparation method thereof. The porous silicon/carbon composite material is of a hybrid structure that nano silicon spheres are distributed in a honeycomb continuous three-dimensional porous carbon matrix, wherein the mass content of carbon is 99%-1% and controllable. The honeycomb three-dimensional porous silicon/carbon composite material is prepared from 80-800nm spherical silicon dioxide nanoparticles as a silicon source and thermosetting difunctional acrylate unsaturated resin as a carbon source by employing a method of reduction after compounding; and an acrylate unsaturated resin monomer is vinyl thermosetting resin. The cumbersome problem that traditional thermosetting resin needs to utilize a solvent is solved through in-situ polymerization of vinyl thermosetting resin; post-treatment is not needed; the operation is simple and convenient; and the honeycomb three-dimensional porous silicon/carbon composite material is green and environment-friendly. Meanwhile, the thermosetting resin is difficult to melt in the high-temperature calcination process, so that in-situ carbon formation can be achieved; the distribution condition of silicon dioxide can be effectively regulated and controlled; and the shape and form of the final product are regulated and controlled.

The invention belongs to the technical field of tempered glass, and particularly relates to composite tempered glass. The composite tempered glass comprises inner-layer glass, outer-layer glass, interlayer sheets and a buffer module; the buffer module is arranged between the inner-layer glass and the outer-layer glass, and the interlayer sheets are arranged on the sides, adjacent to each other, ofthe inner-layer glass and the outer-layer glass correspondingly; the buffer module comprises buffer ellipsoids and buffer balls; the buffer ellipsoids and the buffer balls are arranged on the sides,adjacent to each other, of the inner-layer glass and the outer-layer glass at intervals correspondingly, the middles of the buffer ellipsoids on the inner-layer glass correspond to the buffer balls onthe outer-layer glass, and the middles of the buffer ellipsoids on the outer-layer glass correspond to the buffer balls on the inner-layer glass; lantern rings are arranged on the contact parts of the buffer ellipsoids and the buffer balls; and the buffer balls are formed by hard sections and soft sections which are combined. The buffer efficiency of the inner-layer glass and the outer-layer glass can be improved, broken inner-layer glass and outer-layer glass are adsorbed, thus the broken glass is prevented from falling off, and thus the safety factor is increased.

The invention relates to an endoscope cleaner. The endoscope cleaner comprises a swab which is connected with a barrel containing liquid. The swab is a gauze piece, a gauze ball, a bending and shrinking gauze, a bending and shrinking gauze ball or a sponge. The bottom of the barrel is connected with the swab, the barrel is composed of an inner barrel body and an outer barrel body, a channel for liquid to pass through is formed between the inner barrel body and the outer barrel body, an upper hole is formed in the upper end of the inner barrel body, a lower hole is formed in the lower end of the inner barrel body, a piston is installed in the inner barrel body, an easily-torn sheet is arranged at the bottom of the barrel, the piston is connected with the easily-torn sheet, and a piston rod of the piston penetrates through an end plate at the upper end of the barrel. The piston rod is connected with an upper cover which is further connected with the barrel through an easily-torn ring. By means of the endoscope cleaner, the swab is connected with the barrel, the mode that iodine liquid is stored in the barrel is adopted, the liquid can be supplied continuously, and influences of volatilization of an iodine solution in the operation process on the endoscope cleaning effect are avoided.