46results about How to "Positioning is not easy" patented technology

The embodiment of the invention discloses a positioning method and a positioning device for wireless charging. The positioning method comprises the steps of: firstly, acquiring an optimal chargingcurrent corresponding to a mobile terminal; secondly, acquiring an optimal charging current position on a wireless charging board by the mobile terminal; and finally, prompting the direction of the optimal charging current position relative to a direction of a mobile terminal position and / or the optimal charging current position for a user. The positioning method is suitable for the field of communication systems.

The invention discloses a grounding fault diagnosing method and apparatus of a DC 600V train power supply system. The method includes the steps of obtaining fault waveform sets of the DC600V train power supply system when different types of ground faults occur, wherein each fault waveform sample set corresponds to one ground fault type, training each fault waveform set to obtain a fault classification model, and acquiring current fault waveform on a real-time basis when a grounding fault occurs to a target DC600V train power supply system and diagnosing the grounding fault type corresponding to the current fault waveform according to the fault classification model. The apparatus comprises a classification model training module and a fault diagnosing module. The method and apparatus have the advantages of simple realization operation, high diagnosis efficiency and precision, high universality, good expansion performance and easy execution and maintenance.

The invention relates to a method for weaving degradable atrial septal defect occluder, which belongs to a medical apparatus technical field and comprises a step of mould manufacturing in which the figuration of the atrial septal defect occluder comprises two discs and a waist part between the two discs; when the mould is manufactured, numeral values are chosen according to the three parts; three concentric circles are cut out on a steel plate and dotted at a certain distance and then steel needles are inserted to the corresponding positions; the weaving method also comprises weaving process of polymeric wires in which two groups of polymeric wires with biodegradability and biocompatibility are reversely folded and wound respectively in levogyrate and dextrogyrate directions by the steel needles to form petal-shaped discs with two upper-and-lower layers; finally, the two groups of polymeric wires are bound together and then set. The method for weaving the degradable atrial septal defect occluder adopts a plane weaving method characterized by the simple manufacture of mould and being more suitable for polymer molding; the elasticity and the chucking power of the woven degradable atrial septal defect occluder are obviously improved.

The invention relates to a software protection technique of a Java program, which belongs to a software tamper-proof branch in the technical field of software protection. In the technical scheme, an unconditional jump command is added to a byte code file which corresponds to the Java program after that the Java program is tampered is detected to modify a programmed control flow graph, and the unconditional jump command is used as response to disturb the normal running of the program and effectively resist the tampering behaviour of an attacker. The method is a self-response type and can influence the executing track of the program in three ways: interrupting the program in advance, lowering the performance of the program and leading the program to generate an error result. Implementing the scheme needs low consumption, and the self characteristic of the format of the Java program are utilized to control Java byte codes; and the added response codes have similarity with the Java byte codes. The scheme has high privacy.

The present invention provides a headset display device-based virtual keyboard input method. The method comprises the following steps: displaying an identifier control on a virtual keyboard display interface, wherein the identifier control is corresponding to a virtual keyboard key on the virtual keyboard; according to a user manipulation instruction, switching the virtual keyboard key corresponding to the identifier control; and according to the virtual keyboard key currently corresponding to the identifier control, inputting the character corresponding to the virtual keyboard key. The present invention also provides a headset display device-based virtual keyboard input apparatus. According to the headset display device-based virtual keyboard input method and apparatus provided by the present invention, the operation complexity when the user inputs content through the virtual keyboard of the head-mounted display device can be effectively reduced, content input efficiency can be significantly improved, and the input experience of the user of the head-mounted display device can be improved.

The invention provides a beacon base station releasing device. The beacon base station releasing device comprises a movable platform controlled to walk or stop and further comprises a pushing mechanism, a positioning mechanism and a beacon base assembly which are located on the movable platform. The beacon base assembly is provided with a plurality of beacons used for receiving or transmitting communication signals. The positioning mechanism is used for bearing the beacon base assembly and limiting the front-back and left-right positions of the beacon base assembly. The pushing mechanism is used for pushing the positioning mechanism to move towards the outer side of the movable platform, and releasing of the beacon base assembly is achieved. According to the beacon base station releasing device, installing and fixing of the beacon base assembly on the movable platform can be stable, and the beacon base assembly is not prone to moving during advancing along with the movable platform. Reliable positioning of the beacon base assembly is achieved, and the beacon base station releasing device is particularly suitable for underground complex ground environments.

The invention relates to a modified anti-loosening bolt. The modified anti-loosening bolt comprises a bolt head and a threaded rod. Two sides of the threaded rod are provided with grooves for placing anti-dropping devices including movable plates and elastic parts. One end of each elastic part is fixed into a groove and the other end is connected to the upper end of each movable plate. The lower end of each movable plate is movably fixed in the joint between each groove and the threaded rod. The bottom of the threaded rod is provided with an empty groove, the interior of which is connected with an inner rod through each elastic part. The upper end of the threaded rod is in threaded connection with a movable gasket, the bottom of which is provided with an anti-skidding layer. The modified anti-loosening bolt has following advantages: under the effect of elastic parts, the movable plates have outward tension and the bolt is not easily loosened; due to the movable gasket of the threaded rod, the ant-skidding layer at the bottom of the movable gasket has an effective anti-skidding effect; and due to threaded and movable connection between the movable gasket and the threaded rod, the movable gasket can freely move up and down to adjust the length that the threaded rod is not in an object to be fixed.

The invention relates to a large integrated access network gate based on NGN. Wherein, said invention comprises soft exchanger (0), control subsystem (1), call subsystem (2), user terminal (3), ascending IP support network (4.1), and descending IP support network (4.2); the ascending of control system (1) via IP support network (4.1) is connected to soft exchanger (0) via H.323, MGCP, H.248, or SIP; the descending of control subsystem (1) via descending IP support network (4.2) uses self-defined control manage protocol to communicate with call subsystem (2); the call subsystem (2) via twisted line accesses into user terminal. With said invention, when upgrading and abundant backup, system only needs to operate control subsystem, with low cost and simple management.

The invention provides a spatial positioning device and method, a corrector and a correction method. The spatial positioning device comprises a plate structure and at least three marking members, theplate structure comprises pointed end portions and a marking plate face portion, each marking member is arranged on the marking plate face portion, and intervals among the pointed end portions are different. The spatial positioning device can realize spatial position point positioning when the marking members are inconvenient to place or in the circumstance that spatial position is determined through the marking members and is wider in suitable scene and more convenient.

The invention provides a positioning fixture for positioning a circular ring and a section frame at the bottom of a storage case. The positioning fixture comprises a base, a mould fixed on the base and used for positioning the circular ring and the section frame from the inner side, a first pressing assembly used for pressing the circular ring from the outer side and a second pressing assembly used for pressing the section frame; the first pressing assembly comprises a first pressing ring sleeving the circular ring from the outer side and a first pressing mechanism acting on the first pressing ring; the second pressing assembly comprises a second pressing ring sleeving the section frame from the outer side, a second pressing mechanism acting on the second pressing ring, and a third pressing mechanism used for pressing the section frame inwards from the outer side; the first pressing mechanism, the second pressing mechanism and the third pressing mechanism are fixed on the base and positioned on the outer side of the mould. The positioning fixture has good positioning effect on the circular ring and the section frame, cannot affect welding, and can provide guarantee for achieving high-quality welding.

The invention provides a multi-main-grid photovoltaic battery sheet and solder strip positioning device, which comprises a front end pulling positioning device and a tail positioning device, wherein the front end pulling positioning device comprises a first power mechanism, a sliding mechanism and a clamping jaw installed on the sliding mechanism, the first power mechanism drives the sliding mechanism to slide so as to make the clamping jaw clamping the front end of a solder strip pull the solder strip by a preset distance or make the clamping jaw after the solder strip releasing be completelyseparated from the solder strip, the tail positioning device comprises a second power mechanism, a guide plate provided with a plurality of guide grooves, a plurality of guide blocks and a pluralityof clamping blocks, each guide groove is oppositely provided with a guide block and a clamping block, the tail of the solder strip falls into the guide groove after the solder strip is cut off, and the second power mechanism drives the guide blocks and the clamping blocks to move face to face or back to back so as to clamp or release the solder strip located in the guide groove, so that the solderstrip is aligned with the multi-main-grid photovoltaic battery sheet. The positioning mode is accurate, the subsequent series welding effect is good, the grid line resistance is reduced, and the photoelectric conversion efficiency is improved.

The invention relates to a clamping device, in particular to a clamping device of a rotary pressing plate. The clamping device comprises a clamp body, a jaw for pressing a lower surface of a workpiece and an adjusting nut used as a force applying device, wherein the clamp body is provided with a baffle used for pressing an upper surface of the workpiece; the jaw vertically penetrates through the clamp body; the lower part of the jaw is designed to be L-shaped and used for pressing the lower surface of the workpiece; the upper part of the jaw is matched with the adjusting nut and fixedly connected with a handle; and the handle is located above the adjusting nut. With the adoption of the technical scheme of the invention, the clamping device of the rotary pressing plate has the characteristics of simple structure, low cost and convenience for use.

The invention discloses a stethoscope for the pediatric department. The stethoscope comprises a sensor and a pediatric stethoscope body, wherein the sensor is arranged on the pediatric stethoscope body; a suction cup is arranged on the sensor; a spring and a sound-proof film are arranged in the suction cup; a telescopic rod is arranged on the sensor, and is provided with a touch pin; a sound leading pipe is arranged on the pediatric stethoscope body; a curved arm is arranged on the sound leading pipe, and is provided with a disinfectant bag; an atomizing nozzle is arranged on the disinfectant bag; and the sound leading pipe and the disinfectant bag are connected through the curved arm. The pediatric stethoscope can avoid cross infection when being used for auscultating a child by adopting the disinfectant bag so as to reduce the working difficulty of medical staff, and has a simple structure and multiple functions.

The invention discloses an orthopedic joint replacement operation positioning platform, which is characterized by comprising a bed board and a supporting and positioning part, a left groove body and a right groove body are formed in the lower side of the bed board, and the supporting and positioning part is arranged on the left groove body or the right groove body in a matched mode. The supporting part comprises a seat body, a first supporting plate, a second supporting plate and an osteotomy part, the first supporting plate is used for supporting a thigh part, the second supporting plate is used for supporting a shank part, and one end of the first supporting plate is longitudinally hinged to one end of the second supporting plate through a hinge part; the upper limbs and the lower limbs of a surgical patient are supported through the first supporting plate and the second supporting plate, the legs can be well supported in osteotomy and prosthetic replacement, the knee bending angle can be changed according to actual needs through relative longitudinal hinge of the first supporting plate and the second supporting plate, and various lower limb orthopedic surgery requirements are met.

The invention discloses a memory cache data system and a data indexing method, and relates to the technical field of computers. One specific embodiment of the system comprises the following steps: storing original data of a plurality of targets in a preset data container in a memory cache; wherein the original data comprises data of at least one index dimension; wherein the original data of each target in the plurality of targets is used as an element of the data container, and each target has a unique subscript of the data container; the system further comprises bitmap data corresponding to each sub-dimension of the index dimension and used for indexing the original data; wherein each bitmap data comprises values of the plurality of targets arranged according to a preset sequence based onthe subscripts in the sub-dimensions corresponding to the bitmap data. According to the embodiment, the multi-dimensional data of targets can be stored, the Bitmap algorithm is used for constructingthe index structure, and multi-dimensional efficient indexing of the memory cache data is achieved.

The invention provides a lining plastic stainless steel ring processing production line and belongs to the field of steel plate processing auxiliary equipment. The lining plastic stainless steel ringprocessing production line comprises a spheronization component, a welding component and a flanging component which are sequentially arranged; the flanging component comprises a fixed seat; a steel ring seat is arranged on the fixed seat, is rotationally connected with the fixed seat and comprises a positioning circle at the upper end and a positioning ring at the lower end; the outside diameter of the positioning circle is larger than the outside diameter of the positioning ring; and a flanging die is correspondingly arranged at the upper end of the positioning circle. The lining plastic stainless steel ring processing production line provided by the invention is formable and is high in accuracy and efficiency.

The invention discloses an intelligent student card and a student management cloud platform, comprising a card body, a microprocessor is arranged on the side of the card body, a ring block is fixedly connected to the front of the card body, and a ring block is fixed on the surface of the ring block. An elastic belt is fixedly connected, and a data memory located below the microprocessor is arranged on the side of the card body, and the hole diameter of the annular block is one centimeter. The present invention can compare the information actually obtained with the information registered by the user by setting the user registration unit, the acquisition unit, the microprocessor, the verification comparison module and the feedback module, and compare them from the data memory. If the fingerprint or password is wrong, the feedback module will feed back the wrong information to the microprocessor, and the alarm module will send out a language alarm, which can ensure the security of the student card account and prevent the amount from being lost.

The invention discloses a pump cover capable of installing a safety valve. The pump cover comprises a body in a shape of a flat plate. The body comprises an internal surface used for covering the pumpbody, the body is provided with a shaft hole and an oil outlet hole, the shaft hole penetrates the body, and the internal surface of the body is provided with an oil inlet cavity and an oil outlet cavity. The side face, perpendicular to the internal surface, of the body is provided with a safety valve body, the safety valve body and the body are integrally formed, a spring installation hole is formed in the safety valve body, one end of the spring installation hole stretches out of the safety valve body, the other end of the spring installation hole extends into the body and continues forminga valve ball section and an inlet section, and the spring installation hole, the valve ball section and the inlet section form a cavity used for installing a safety valve component. The oil outlet hole penetrates the oil outlet cavity and communicates with the inlet section. The valve ball section is provided with an oil leakage hole leading to the exterior of the body. The body and the safety valve body of the pump cover are integrally formed, the installation surface of equipment is reduced, and the installation precision of the safety valve is improved.

The invention discloses a water and electricity installation pre-embedded line pipe protection device with a positioning function and a construction method thereof, and aims to solve the problems that in the prior art, an exposed sleeve cannot be comprehensively protected, the protection function cannot be achieved, a positioning function is not achieved, and subsequent sleeve connection construction is not convenient. The protection device comprises a first side sealing plate, a second side sealing plate, connecting bases arranged between the first side sealing plate and the second side sealing plate and distributed in a front-back symmetrical mode, opening grooves formed in the inner sides of the connecting bases, and positioning holes formed in the inner sides of the first side sealing plate and the second side sealing plate and distributed in the front-back symmetrical mode, and a protection assembly in threaded connection with the interior of a first threaded hole and used for protecting an embedded pipe. According to the water and electricity installation pre-embedded line pipe protection device with the positioning function and the construction method thereof, the protection assembly is used for blocking the exposed part of an embedded sleeve, the function of protecting the embedded pipe is achieved, positioning can be conveniently conducted according to the position of the embedded pipe, and the construction efficiency and quality are greatly improved.

The invention discloses a danger notice board for electric iron tower. The danger notice comprises a mounting plate, power tower angle steel and a notice board body, the notice board body is arrangedin an arc shape, a mounting block is fixedly connected to the end, close to the mounting plate, of the notice board body, and a plurality of reinforcing rods are fixed between the mounting block and the notice board body; the mounting block is connected with the mounting plate through a connecting mechanism, a U-shaped block is fixedly connected to the face, opposite to the mounting block, of themounting plate, the power tower angle steel penetrates through the U-shaped block and abuts against the U-shaped block, a mounting frame is fixedly connected to the mounting plate, and a sealing coveris mounted at the upper end of the mounting frame. The notice board is reasonable in structure, the stability of the notice board can be guaranteed, the notice board is not prone to being affected bystrong wind, meanwhile, the notice board can be conveniently installed on power tower angle steel, the installed notice board is sufficient in stability and not prone to shaking, meanwhile, the notice board and the mounting plate can be installed separately, the load during overall installation is reduced, the installation is more convenient, and convenience is brought to workers.

The present invention relates to a medical stent, and in particular to a cardia stent for treatment on the narrow carida of the oesophagus. The cardia stent according to the present invention is woven by wires of shape memory NiTi alloy. There is a drum-shaped locating port at its upper end, and a trumpet-shaped locating port at its lower end. The upper drum-shaped locating port is connected with the lower trumpet-shaped locating port by a supporting net tube. The remaining portions other than the drum-shaped locating port are coated with a membrane of medical flexible material that can be implanted into a human body. The cardia stent comprises at least an anti-reflux valve. The anti-reflux valve is of a triple-petal structure protruding downward that is made from a membrane of medical flexible material that can be implanted into a human body. The cardia stent has the advantages of: difficult to shift, matching with carida anatomy, high anti-reflux ability, easy operation, resisting the corrosion of gastric juice, and it can be used in expansion treatment on the narrow carida caused by variable reasons.

The invention relates to a clamping tool and method for adhesive connection of metal bipolar plates of fuel cells. The clamping tool comprises a positioning device, a heating device and a vibration device. The positioning device comprises a tool upper cover plate, a tool lower bottom plate, positioning pins and first suction nozzles. The vibration device comprises a vibration source, vibration conductors and second suction nozzles. The heating device is arranged in the tool upper cover plate and the tool lower bottom plate. The vibration conductors penetrate through the tool upper cover plate, the upper ends of the vibration conductors are connected with the vibration source, and the lower ends of the vibration conductors are connected with the second suction nozzles. Vacuumizing channels are formed in the tool lower bottom plate, the upper ends of the vacuumizing channels are connected with the first suction nozzles, and the lower ends of the vacuumizing channels are communicated with the side face of the tool lower bottom plate. The tool upper cover plate and the tool lower bottom plate are adopted to clamp the metal bipolar plates, one-time clamping is adopted, the risk of polar plate dislocation caused by secondary clamping is avoided, and the initial clamping process of the metal bipolar plates is simplified. Full-automatic circulation is adopted in the forming process, the overall technology is simplified, and the phenomenon of polar plate buckling deformation caused by original laser welding is avoided.

The embodiment of the invention discloses a positioning method and a positioning device for wireless charging. The positioning method comprises the steps of: firstly, acquiring an optimal chargingcurrent corresponding to a mobile terminal; secondly, acquiring an optimal charging current position on a wireless charging board by the mobile terminal; and finally, prompting the direction of the optimal charging current position relative to a direction of a mobile terminal position and / or the optimal charging current position for a user. The positioning method is suitable for the field of communication systems.

The invention discloses a grounding fault diagnosing method and apparatus of a DC 600V train power supply system. The method includes the steps of obtaining fault waveform sets of the DC600V train power supply system when different types of ground faults occur, wherein each fault waveform sample set corresponds to one ground fault type, training each fault waveform set to obtain a fault classification model, and acquiring current fault waveform on a real-time basis when a grounding fault occurs to a target DC600V train power supply system and diagnosing the grounding fault type corresponding to the current fault waveform according to the fault classification model. The apparatus comprises a classification model training module and a fault diagnosing module. The method and apparatus have the advantages of simple realization operation, high diagnosis efficiency and precision, high universality, good expansion performance and easy execution and maintenance.

The invention relates to a measuring pump, in particular to a crank modified structure of the measuring pump. The invention is characterized in that the crank of the measuring pump is a shape of 'Z', and the section of the crank is polygonal. The crank has the advantages of easy positioning, easy adjustment, easy fixing. The machining angle can use digital control wire-electrode cutting and flat machining to reach micrometer accuracy.

The invention provides a window mirror cleaning method and device, and the method comprises the steps: obtaining a real-time image of the surface of a window mirror, inputting the real-time image into a trained neural network algorithm, and carrying out the calculation to obtain a target value; according to the target value, judging whether pollutants exist in the window mirror surface area of the real-time image or not and the types of the pollutants; and according to the pollutant type of the area, adjusting the air outlet speed, the swing sweeping speed and the air outlet type of an air knife so as to clean the pollutants on the surface of the window mirror. A series of problems that in a traditional cleaning mode, liquid pollutants attached to a mirror surface are difficult to remove, a polluted area is difficult to position, the size of a traditional air knife needs to be limited to be equal to the caliber of a lens, and consequently a high-power air compressor needs to be arranged are solved, and the device has the advantages of being small in operation vibration magnitude, high in cleaning area coverage rate and high in cleaning efficiency, and the method is suitable for large-size window mirrors.

The invention discloses a rotary bottle blowing machine bottom die structure for medical infusion bottle production. The structure comprises a bottom die, a water sealing plate, a supporting frame, a cooling core, a guide rod and a jacking mechanism, the bottom die, the water sealing plate and the supporting frame are mounted in sequence, the upper end of the bottom die extends upwards to form an infusion bottle supporting part with a hanging ring groove and a guide hole, the cooling core is mounted in the bottom die and the water sealing plate, a cavity with the upper end being open is formed in the cooling core, the guide rod is movably mounted in the cavity, a positioning hole is formed in the upper end of the guide rod, the guide rod and the water sealing plate are connected through springs, the upper end of the jacking mechanism penetrates through the water sealing plate, moves up and down along the cavity and can abut against the guide rod after moving upwards, and forward adjustment of the length of the guide rod extending out of the bottom die is achieved by adjusting the length of the upper end of the jacking mechanism extending into the cavity. The rotary bottle blowing machine bottom die structure has the advantages that the length of the guide rod extending out of the bottom die can be quickly adjusted to better meet the infusion bottle production requirement, bottle bottoms are prevented from sticking to the die, and hanging rings at the bottom of infusion bottles and material heads are accurately positioned and are not prone to deviating from the centers of the bottle bottoms in the blow molding process.

The invention discloses a pin of an intelligent bus jack box. The pin comprises a central copper column, wherein a clamping component is arranged at one side of the lower end of the central copper column, and a bonding component is arranged at the other side, the clamping component, the bonding component and the central copper column are integrally structured, the upper end of the clamping component is linear, the lower end thereof is arc-shaped, and the bottom end thereof is turned upwards to form a guide portion, a manganese steel sheet is coated outside the clamping component, the manganese steel sheet is fixedly connected with the clamping component, and the lower end thereof is against the peripheral surface of the clamping component; the bonding component comprises a first bonding plate and a second bonding plate, the first bonding plate is of a linear structure, and the bottom end of the first bonding plate is turned outwards to be arc-shaped, so as to form a location clamping portion; the second bonding plate is coated at the periphery of the first bonding plate; a location component is arranged at the bottom of the central copper column, and located at the inner side of the clamping component, and contact fastening with a copper bar is reliable; the pin is good in stability, good in heat dissipation performance, and safer and more reliable.

The invention discloses a punching die and a punching method for a rectangular tube, and relates to the field of square steel tube processing and producing. The die includes an upper die assembly anda lower die assembly; the upper die assembly comprises an upper template, an upper die core seat and a plurality of upper die cores; the upper die core seat is fixed at the bottom of the upper template, and the upper die cores are fixed at the lower end of the upper die core seat; the lower die assembly comprises a supporting seat, a lower die core seat, a lower die core and a plurality of baffles; the lower die core seat and the baffles are fixed on the supporting seat, the baffles are symmetrically arranged on the two sides of the lower die core seat, the lower die core is fixed on the lowerdie core seat, and a plurality of die core holes matched with the upper die cores are formed in the lower die core; and a material storing cavity is formed in the outer edge of the lower die core after the upper die assembly and the lower die assembly are buckled up and down. According to the punching die, the lower die core is arranged in the lower die assembly, the rectangular tube is arrangedon the lower die core in a sleeving mode, and the rectangular tube is prevented from deformation due to punching; and a guiding function is also achieved by inserting the rectangular tube in the lowerdie core, the deflection of the rectangular tube is avoided, the positioning accuracy of the punching is high, and the punching quality is greatly improved.