89 results about "Multiple point" patented technology

The present application relates to a kind of one-hole multi-point position liquid-filled expansion pillow type borehole stress meter, including expansion pillow, pressure detector and oil pipe, the expansion pillow is the closed tubular structure, oil pipe is connected with the one end of expansion pillow, the outer ring of the expansion pillow is equipped with the recessed tube wall and forms the avoidance slot inwards, the avoidance slot extends along the length direction of expansion pillow and is through the length direction of expansion pillow, oil pipe can be housed in the avoidance slot, the avoidance slot is at least equipped with two and is uniformly distributed along the circumference, by setting avoidance slot on expansion pillow, the oil pipe of other expansion pillow set can be passed, when measuring the stress of multiple points, multiple stress meters are loaded into one by one, the oil pipe of stress meter in deeper position needs to cross the stress meter in shallower position, oil pipe passes from avoidance slot, thus can measure the rock stress of multiple different depth positions in one hole, to increase the field practicability and applicability of borehole stress monitoring, improve the accuracy of rock burst monitoring and early warning.

The application provides a shield tunnel segment distribution setting method and system. The shield tunnel segment distribution setting method comprises the following steps: grabbing real-time data measured by a shield machine, wherein the real-time data are real-time data of a last ring assembling point of the shield machine; performing multiple point selection through staggered seam conditions, a shield tail gap, a stroke difference and an axis deviation to obtain an assembling point for current ring operation of the shield machine; and assembling segments of the shield machine according to the assembling point for current ring operation. The system comprises modules corresponding to the method steps.

The invention relates to the technical field of three-dimensional detection, in particular to a three-dimensional detection method and device using multi-point laser ranging, and the method comprises the steps: fixing a detection body which is provided with a plurality of detection layers which gradually change according to certain distance indexing on an object to be detected, a detection surface is in a ball, ellipse or cone shape and has the characteristic of gradually changing according to certain distance indexing, laser rangefinders are arranged at corresponding positions of the detection surface according to certain distances, multi-point measurement light spots respectively detect distance data of all points of the detection surface, and distance values of all the points generate unique position IDs according to a set sequence; and the three-dimensional coordinates of the measured object are calculated by combining the fixed geometric space relationship of each detection point and are compared with the initial coordinates, the three-dimensional displacement vector is calculated, and the corresponding device comprises a detection part, a laser ranging part and a processing part. The multi-layer detection structure is combined with the laser ranging device, two ranging modes of single-point scanning and multi-point synchronization are supported, the structure is simple, deployment is convenient, and adaptability is high.

This invention discloses a three-point method for measuring the deflection of subway vehicles, comprising the following steps: 1. Parking the subway vehicle to be measured on the zero rail; 2. Measuring the vertical distance from multiple points on the bottom of each car of the subway vehicle to the zero rail using a level and a measuring tape; 3. Calculating the heights Y1, Y3, and Y2 of the leading end, trailing end, and center point of each car from the zero rail surface according to the following formulas; 4. Calculating the height differences HZ1 and HZ2 between the first and second bogies of each car; 5. Correcting Y1, Y3, and Y2 based on the difference between HZ1 and HZ2; 6. Repeating steps 2 to 5 to obtain Y1, Y3, and Y2 for all cars of the subway vehicle, and summing them to obtain the deflection range of the subway vehicle. This invention can measure the deflection of rail transit vehicles more accurately, and saves measurement time, improving measurement efficiency.

The invention relates to a multi-point electroencephalogram analysis method and device, a storage medium and electronic equipment, and relates to the technical field of data processing.The method comprises the steps that electroencephalogram data of multiple points of the brain of a target user is obtained; preprocessing the electroencephalogram data to obtain processed target electroencephalogram data; determining a first evaluation result of a first dimension according to the target electroencephalogram data, determining a second evaluation result of a second dimension according to the target electroencephalogram data, determining a third evaluation result of a third dimension according to the target electroencephalogram data, and determining a fourth evaluation result of a fourth dimension; and performing multi-dimensional decision fusion on the first evaluation result, the second evaluation result, the third evaluation result and the fourth evaluation result to obtain a final evaluation result of the brain function state of the target user. The method has the effect of improving the accuracy of brain function state evaluation.

The application relates to the technical field of tunnel construction measuring devices, and discloses a tunnel surrounding rock multi-point displacement mechanical measuring device which comprises a base, a battery box and a data transceiving box, the bottom of the battery box is fixedly provided with a square plate, and the square plate and the base are fixedly connected through connecting columns; further comprising: four mounting plates which are fixed to the bottom of the square plate and are arranged in an annular array, a telescopic frame is arranged below the bottom of the mounting plate, a connecting block is fixedly arranged at the middle of one end of the telescopic frame, a fixing piece is arranged on the connecting block, and a laser ranging probe is detachably connected to the connecting block through the fixing piece; the existing multi-point measuring device is improved, a plurality of swing units are driven by a synchronous unit to reciprocate, the detection position of the laser ranging probe is automatically changed, the flexibility of the laser ranging probe is improved, the measuring range is expanded, the tunnel surrounding rock is measured at multiple points, and the deformation measurement of the surrounding rock is more accurate.

The present application relates to a kind of BP-PID intelligent control system for constant temperature drying oven, belong to industrial oven precision temperature control technical field.The system is by using BP neural network algorithm, the parameter of traditional PID controller is dynamically set online, combined with the high-precision temperature and humidity sensor of multiple point layout in the box, constructs adaptive temperature control loop with self-learning ability.BP neural network is fed forward according to the deviation of system real-time operating state and set value, real-time adjustment PID parameter to match the dynamic characteristics of controlled object.The system can significantly improve the dynamic response speed and steady control precision of constant temperature drying oven under the working condition such as temperature rise, anti-interference, effectively overcome the shortcomings of large overshoot and poor adaptability of traditional PID control, provide highly stable and uniform thermal environment for the drying process of temperature sensitive material, significantly improve product quality and drying efficiency.

The system according to this embodiment aims to enable users to efficiently manage multiple point programs and prevent points from expiring. [Solution] The system according to the embodiment comprises a confirmation unit, a notification unit, and a proposal unit. The confirmation unit confirms the status of the points. The notification unit provides notification before the expiration date based on the status of the points confirmed by the confirmation unit. The proposal unit proposes the optimal method for converting or using the points based on the information provided by the notification unit.

A method for coordinated multiple point (CoMP) transmission performed by a terminal includes: obtaining CoMP transmission configuration information configured by a network device, wherein the CoMP configuration information configures multiple transmission reception points (mTRP) or a plurality of TRP groups, each TRP group in the plurality of TRP groups comprises at least one TRP, and the mTRP or the plurality of TRP groups perform coherent joint transmission (CJT); selecting all or part of TRPs to perform the CJT from the mTRP, or selecting all or part of TRP groups to perform the CJT from the plurality of TRP groups, based on the CoMP transmission configuration information; and sending indication information to the network device, wherein the indication information indicates the TRPs selected by the terminal to perform the CJT from the mTRP, or the TRP groups selected by the terminal to perform the CJT from the plurality of TRP groups.

The utility model discloses a coil spring cover multipoint pin pressing device of a retractor, which comprises a placing seat, the bottom of the placing seat is provided with a sliding chute, a sliding rail penetrates through the sliding chute, the sliding rail is arranged on a base, one end of the sliding rail is provided with a first positioning part which can abut against the side wall of the placing seat, and the other end of the sliding rail is provided with a second positioning part which can abut against the side wall of the placing seat. The other end of the sliding rail is provided with a positioning seat capable of abutting against the side wall of the containing seat, the top of the containing seat is provided with a positioning step, a positioning pin is arranged on the positioning step, the end, corresponding to the positioning step, of the containing seat extends to be provided with an abutting inclined face, and side clamping plates are arranged on the two sides, corresponding to the positioning step, of the containing seat. A supporting plate is arranged below the position, corresponding to the abutting inclined face, of the containing base, an ultrasonic riveting head is arranged above the containing base, and the ultrasonic riveting head is connected with a lifting driving assembly. The multi-point pin pressing device is simple in structure and reasonable in design, multi-point pin pressing operation of the coil spring cover can be conveniently achieved, and pin pressing precision and reliability are guaranteed.

The application provides a data processing method and device and related equipment, the method comprising: a processor acquires a first instruction, the first instruction is used for indicating the distance between points in a first point set and points in a second point set; the processor acquires the coordinates of the points in the first point set, the coordinates of the points in the second point set and a second instruction from the memory according to the first instruction, the second instruction comprising a vector cross product operation instruction; then the processor calculates the distance between the points in the first point set and the points in the second point set according to the coordinates of the points in the first point set, the coordinates of the points in the second point set and the second instruction; and the processor saves or outputs the distance between the points in the first point set and the points in the second point set. In the distance calculation scenario between multiple points, the vector cross product operation instruction with high computing power is used to instruct the processor to perform corresponding calculation, which helps to shorten the overall time of distance calculation between multiple points.

The utility model discloses a movable operating platform capable of synchronously constructing at multiple points, which is of a frame structure and comprises a transverse truss and a U-shaped frame, vertical trusses are arranged on two sides of the transverse truss, and the U-shaped frame surrounds the cross section of the transverse truss and is simultaneously used as a lifting point of the movable operating platform to be connected with a walking system. The walking system is matched with a walking track on the lower portion of the steel beam and provides power for the movable operation platform to move along the walking track. The front side of the transverse truss is detachably connected with a cantilever structure; a platform is arranged on the truss, and the height of the platform is matched with that of a corresponding site construction point. The device is used for construction at the lower joint of the steel truss girder bridge, does not need to be mounted and dismounted back and forth, can meet synchronous multi-point construction, and is convenient to move.

The utility model provides a kind of batch grabbing unloading mechanism and food processing equipment for strip meat product, including mechanical arm and the multiple point unloading end of installation in the execution end of mechanical arm;Mechanical arm is arranged in the side of feeding platform, and multiple side-by-side strip raw materials are placed on feeding platform;Multiple point unloading end includes mounting plate and multiple unloading grabbing mechanism, mounting plate is fixedly installed on the execution end of mechanical arm, and multiple unloading grabbing mechanism is installed on mounting plate in arc staggered manner;When mechanical arm is in the grabbing pose, in multiple unloading grabbing mechanism, only the end of one unloading grabbing mechanism is in the grabbing plane.The utility model sets up multiple point unloading end, simultaneously grabbing and placing multiple side-by-side meat product raw materials in one action, significantly improve the number of single unloading, so that raw material is more closely, neatly and side-by-side placed on receiving platform, and by unloading gripper staggered installation, avoid the situation that remaining unloading gripper and raw material interfere when grabbing.

The invention provides a boiler guard plate multi-point synchronous bending forming device and a bending method, the boiler guard plate multi-point synchronous bending forming device comprises a downward pressing mechanism and a downward bending mechanism, and the downward bending mechanism comprises a liftable elastic bearing mechanism used for bearing a plate. And the multi-point bending mechanisms are arranged at the two ends of the liftable elastic bearing mechanism. The downward pressing mechanism comprises an inner forming block used for conducting inner forming on the plate. And the downward pressing mechanism extrudes the plate placed on the surface of the liftable elastic bearing mechanism, so that the liftable elastic bearing mechanism descends. And along with the descending of the liftable elastic bearing mechanism, the multi-point bending mechanism is used for carrying out multi-point bending on the plate. The multi-point bending mechanism is driven by downward pressing of the downward pressing mechanism to conduct multi-point bending on the plate, multiple bending procedures of the edge of the plate are completed through one-time action, the tedious steps of multiple times of clamping and positioning in traditional machining are effectively reduced, the production efficiency is improved, the forming consistency is guaranteed, and the die cost is reduced.

The invention discloses a multi-point sampler for dispersive gastric signet-ring cell carcinoma tissues. The multi-point sampler can be used for sampling the tissues at multiple points in the process of entering an endoscope channel at one time. Comprising an imbedding hose, a sampling head and an external operating handle, the sampling head is provided with a main shell, a sampling needle, a sample microcapsule, a sample suction pipeline and a needle part control structure; the main shell is provided with at least three needle placing channels and capsule cabins, the number of the capsule cabins is consistent with that of the needle placing channels, the needle placing channels extend to the surface of the end of the main shell to form a needle outlet, a sampling needle is arranged in each needle placing channel, and the needle part control structure controls any sampling needle to extend out of or retract into the needle placing channel; the capsule cabins are arranged around the main shell, a taking-out opening is formed in the side of the main shell, and a sample microcapsule is arranged in each capsule cabin; negative pressure pipes are arranged in the imbedding hose; and each negative pressure pipe, the sample microcapsule, the sample suction pipeline and the sampling needle are sequentially connected to form a group of sampling channels.

The utility model provides a satellite point diffusion re-check multi-point fog-sand multi-effect lens and glasses, and relates to the technical field of lenses, the lens comprises a lens body, at least partial area of the lens body is provided with a point diffusion area, the point diffusion area comprises a transition point diffusion area, a main nucleus point diffusion area and a satellite point diffusion area, the transition point diffusion area is arranged at the inner side, and the main nucleus point diffusion area is arranged at the outer side. The main nuclear point diffusion area and the transition point diffusion area are arranged on the outer side, and the main nuclear point diffusion area and the satellite point diffusion area coincide; the main nuclear point diffusion area comprises a plurality of main nuclear diffusion points, the satellite point diffusion area comprises a plurality of satellite diffusion points, the diameter of the satellite diffusion points is smaller than that of the main nuclear diffusion points, and the satellite diffusion points and the main nuclear diffusion points are arranged in a staggered mode; on one hand, on the basis of ensuring the light transmission of the lens, vision deepening is inhibited in a contrast weakening mode, the effect is remarkable, on the other hand, contrast change transition is gentle and gentle, visual impairment caused by overlarge contrast difference change can be effectively reduced, and the lens is more comfortable to wear.

The invention discloses a water body multi-point sampling device for environment detection, which comprises a bottom plate and a traction mechanism arranged at the top of the bottom plate, and further comprises upright columns correspondingly arranged on the front side of the bottom plate, a linear adjusting mechanism is arranged on the front sides of the two upright columns, and a plurality of vertical columns are arranged on the front side of the linear adjusting mechanism; the traction mechanism is connected with a mounting rack through a traction rope of the traction mechanism via a linear adjusting mechanism, and the mounting rack is detachably connected with a sampling mechanism; through the arranged sampling mechanism, a power source is used for driving a connecting sleeve to rotate, a sealing block is driven to accurately control opening and closing of a plurality of water inlets, and a plurality of independent sampling chambers formed by internal partition plates are matched, so that water body samples at different positions can be respectively collected, and multi-point and multi-depth synchronous sampling is realized. The complex operation of repeatedly replacing the sampling bottle and repeating the sampling process is avoided, the sampling efficiency is greatly improved, the labor intensity of operators is reduced, and the problem that an existing sampling device can only obtain a water body sample with a single depth through single-time operation is effectively solved.

The invention discloses an in-situ closed coring gas content continuous multi-point intelligent accurate measurement system. The system comprises a computer, and a drill bit, a coring device, an adapter, a plurality of drill rod assemblies and a water-gas-electricity three-channel drill tail assembly which are coaxially connected in series in sequence from front to back; the coring device comprises a coring pipe, a ball valve sealing assembly, a block breaking-weight measuring assembly, a hydraulic driving assembly and an intelligent control-gas measuring assembly. According to the method, the principle is scientific, continuous closed coring can be conducted, the gas content of multiple points of a coal seam can be continuously measured, after the gas content of closed coring at a certain position is measured, the gas content of closed coring at a next position can be measured without drill retreating, and the method can thoroughly avoid invalid auxiliary workloads such as open hole feeding and drill retreating in the coring process; and meanwhile, the time efficiency of coring and gas content measurement can be enhanced, the in-situ measurement precision of the gas content is improved, the gas loss amount generated in the repeated drill retreating-drill feeding process is reduced, the gas content measurement period is shortened, and the operation efficiency is improved.

The utility model relates to the technical field of medical instruments, and discloses a cardio-pulmonary resuscitation pressure multi-point detection structure which comprises a base on which a plurality of force sensors are arranged; the pressing main body is arranged on the bearing frame, a pressing head on the pressing main body is arranged below the bearing frame, and the pressing main body is connected with the force measuring sensor through the bearing frame. According to the utility model, the bearing frame is connected with the plurality of force sensors, multi-point support is formed for the pressing main body, the pressure of each supporting point can be detected through the plurality of force sensors, multi-point measurement is realized, measurement errors caused by non-uniform stress of the pressing head are avoided, and the measurement accuracy is improved.

The utility model belongs to the technical field of grain sampling, and particularly relates to a multipoint sampling grain sampler which comprises a horizontal plate and a plurality of connecting seats, sampling pipes penetrate through the connecting seats, threaded holes and threaded grooves are formed in the sampling pipes and the connecting seats respectively, and the sampling pipes and the connecting seats are detachably connected through matching of bolts, the threaded holes and the threaded grooves. A sliding sleeve fixedly connected with the connecting base is arranged on the outer side of the horizontal plate in the circumferential direction, a fixing shell is arranged at the top end of the sliding sleeve, an external thread block is connected to the interior of the fixing shell in a threaded mode, a smooth rod is arranged at one end of the first bevel gear, and the smooth rod penetrates through one end of the fixing shell and is connected with the external thread block; according to the multi-point sampling device, sampling can be carried out on multiple points, the sampling pipe can be detached, and then the position of the sampling pipe can be adjusted according to the distance between sampling points.

In one embodiment, a method comprises responsive to a request, accessing a storage backup log, the storage backup log comprising indications of changes to files of a plurality of storage backups relative to previous storage backups, wherein each storage backup of the plurality of storage backups is associated with a different point-in-time; and responsive to the request, utilizing the storage backup log to generate a representation of at least a portion of a file system at multiple points in time, wherein the representation includes indications of a first file in existence at a point-in-time, a second file deleted prior to the point-in-time, and a third file created after the point-in-time.

The utility model belongs to the technical field of shielding doors, and particularly relates to an anti-radiation shielding door which comprises an anti-radiation shielding door body, a door frame body is arranged on the outer side of the anti-radiation shielding door body, a door lock mechanism with a multi-point locking function is arranged in the anti-radiation shielding door body, and the door lock mechanism comprises a front shell. A mounting shell is arranged on one side of the front shell, a rear shell is arranged on one side of the mounting shell, a vertical locking mechanism capable of locking the anti-radiation shielding door body in the vertical direction is arranged in the mounting shell, and a transverse locking mechanism capable of locking the anti-radiation shielding door body in the transverse direction is arranged on one side of the rotating shaft. The multi-point locking device is reasonable in design, simple in structure, convenient to machine and capable of achieving multi-point locking of the door body by means of the linkage effect so as to ensure the stress uniformity of all the edges of the door leaf, reduce the possibility of gaps, guarantee use safety and meet use requirements.

A system for simultaneous multiple point of view video is disclosed. The system may receive a first video stream from a first device, receive a second video stream from a second device, and receive a third video stream from a third device, extract timing data from each of the first video stream, the second video stream, and the third video stream, determine time signatures associated with each of the first video stream, the second video stream, and the third video stream based on the timing data, generate a post-process data based on each of the first video stream, the second video stream, and the third video stream, and align one or more time signatures encoded on the post-process data to generate a production data file comprising a plurality of time synchronized video streams corresponding to each of the first video stream, the second video stream, and the third video stream.

Embodiments of the present disclosure relate to systems and methods for mapping point-to-point lanes to packet virtual lanes. Chips with point-to-point interfaces convert point-to-point data into a packet format. The point-to-point lanes are mapped to virtual lanes of a packet transport protocol. Information from multiple point-to-point lanes can be combined in a single packet. One of the benefits of embodiments of the present disclosure is that point-to-point devices can be connected to a packetized network without losing the benefits of separate lanes for different types of communications. This allows existing point-to-point devices to communicate using a packetized network without internal modifications or performance degradation.

This application relates to the field of computer vision technology, and in particular to a method and apparatus for multi-point geolocation of ground panoramic images. The method includes: acquiring panoramic images of multiple points within the same area and selecting a candidate remote sensing image database; performing cylindrical and cubic projections on all panoramic images; extracting cylindrical and cubic projection features respectively, and extracting all remote sensing image features; constructing a hypermap based on the cylindrical and cubic projection features; classifying and predicting the relative positions of the multiple panoramic images based on the hypermap; measuring distance based on the predicted relative positions, and combining the features of all remote sensing images to obtain the latitude, longitude, and altitude information of the best-matching remote sensing image. The embodiments of this application can achieve relative position prediction based on the block feature extraction of multi-point panoramic images and remote sensing images, thereby calculating distance metrics, matching the best remote sensing image to obtain the positioning result, improving the accuracy and robustness of the positioning result, and making it more accurate and practical.

The utility model provides a clamping device for steel forging processing, and relates to the technical field of clamping, a multi-point clamping mechanism comprises two groups of third supporting bases, the bottom of each third supporting base is connected with a fourth connecting piece, the outer surface wall of each fourth connecting piece is connected with a group of fourth hydraulic rods, and the fourth hydraulic rods are connected with second hydraulic rods. The shaft end of each fourth hydraulic rod is sleeved with a clamping piece, anti-skid lines are arranged on the surface of each clamping piece, each clamping piece can be connected with the corresponding fourth hydraulic rod, telescopic adjustment can be completed in a self-adaptive mode according to the actual shape of a workpiece, a multi-point clamping mechanism is arranged, multiple points are stressed and clamped at the same time, and the clamping efficiency is improved. Clamping force can be evenly distributed on a plurality of contact points of a workpiece through multi-point clamping, local stress concentration is avoided, workpiece deformation and vibration can be reduced, the machining precision can be improved, the multiple clamping points are attached to the surface of the steel, and the steel in a complex shape can be wrapped.

The utility model discloses a multi-point lifting type paint spraying room which comprises a control box, a spraying room body, a movable spraying mechanism, a conveying roller way, a conveying supporting mechanism, a blocking mechanism and a clamping jacking mechanism. According to the multi-point lifting type paint spraying room, multi-point adaptive lifting and supporting are conducted on workpieces through the conveying and supporting mechanism, the supporting stability is improved, flexibility and reliability are achieved, meanwhile, it is ensured that paint mist can evenly cover the workpieces, the completeness of the painted surfaces of the workpieces is improved, and covering points are small and convenient for supplementary spraying; the blocking mechanism can be used for carrying out fixed-point positioning on the conveying supporting mechanism on the conveying roller way, so that the conveying supporting mechanism lifts a workpiece to stay below the movable spraying mechanism, the clamping jacking mechanism clamps and lifts the conveying supporting mechanism to move upwards to be separated from the conveying roller way, and the workpiece enters the paint spraying range of the movable spraying mechanism; and the movable spraying mechanism sprays paint on the workpiece, so that the automation degree of the paint spraying process is improved, and the manual participation degree is reduced.

The application discloses a kind of fermenter in multiple point temperature measuring device, comprising: tank and heat pump mechanism, tank top is welded with a steel pipe and is opened round hole, steel pipe one end goes into tank, temperature sensor assembly is installed in the cavity of steel pipe along the axis, multiple temperature sensor units are equidistantly spaced along support rod axis, tank outer wall is equipped with multiple heat exchange coils, and each heat exchange coil is provided with a solenoid valve group, the inlet of multiple heat exchange coils is connected with the same introduction pipe, the introduction pipe is connected with heat pump mechanism, and heat pump mechanism is connected with refrigerant tank, the temperature of different positions in wine fermentation tank is monitored by multiple temperature sensor units distributed along the axis, and the corresponding heat exchange coil is linked to the temperature of the monitored temperature situation Local temperature regulation and control is carried out independently, and the refrigerant tank and heat pump mechanism are cooled and heated, so as to control the temperature in tank, improve the uniformity of temperature in tank during fermentation, guarantee the quality of wine, and improve energy utilization.

According to the high-speed non-2-power point FFT device based on the small SPRAM, only the word SPRAM is used as a data buffer area, and consumption of storage resources is low. According to the method, a mapping mode of conflict-free access to the SPRAM is designed, three block mapping modes are given, and the data throughput rate is increased; according to the method, the calculation sequence of butterfly operation of each dimension and each level is optimized, high-order base butterfly operation is adopted, low-order base butterfly operation is processed in parallel, and the calculation time is shortened. The method is compatible with various points, and can be applied to LTE communication and broadcasting systems.