24results about How to "Learn about features" patented technology

The invention relates to a class C liquid material storage system which comprises an automatic packaging line area, the automatic packaging line area comprises an automatic packaging line system and a warehousing mechanism, and the warehousing mechanism comprises a storage tank supply station, a canning station, a labeling station, a cover sealing station and a tray assembling station which are sequentially connected in the upstream and downstream direction; the automatic packaging line system is in signal connection with the labeling station; the automatic warehouse area comprises a warehouse management system, an automatic warehouse and a pallet supply station, the warehouse management system is in signal connection with the automatic packaging line system and the automatic warehouse, the warehouse management system is used for sending the pallet requirements of the corresponding number to the automatic warehouse, and the automatic warehouse is connected with the pallet supply station; the automatic bin is used for sending pallets to the pallet supply station; and the pallet supply station is connected with the tray assembling station. The automatic packaging line area and the automatic warehouse area can be connected in series, and efficient goods taking can be achieved by means of the automatic packaging line system and the warehouse management system.

The invention discloses a processing method for improving picosecond cutting board warping of an FPCOIL product, which comprises the following steps that a circuit board containing the product and a laser carrier capable of containing the circuit board are provided, and the laser carrier comprises a lower jig and an upper jig; the lower jig is placed on a working table; the circuit board is placed in the lower jig, and then the upper jig is placed at the upper end of the lower jig; the working table board adsorbs a circuit board through a lower jig, and a plurality of exhaust holes are formed in the lower jig; and cutting the circuit board by using a picosecond laser. The structure that the lower jig and the upper jig are fixed in a magnetic attraction mode is adopted for improving warping of a product board, the lower jig is placed on the working table, the whole circuit board is placed in the lower jig, a plurality of exhaust holes distributed in the periphery of the product are formed in the lower jig, effective attraction of the working table to the circuit board is facilitated, and the follow-up laser cutting precision is improved; and the upper jig is pressed on the edge area of the circuit board, so that the warping of the product can be improved.

The application provides a gas capturing device, comprising a first bottle, a connecting pipeline and a gas diluter, the first bottle has a first container, a first gas inlet and a first gas outlet, one end of the connecting pipeline is communicated with the first gas outlet, and the gas diluter is arranged in the first gas inlet. The gas diluter comprises a sample gas conveying pipeline and a protective gas conveying pipeline, the end of the protective gas conveying pipeline is located in the first container, and the end of the sample gas conveying pipeline is located in the protective gas conveying pipeline, so that the sample gas conveyed by the sample gas conveying pipeline is covered and diluted by the protective gas conveyed by the protective gas conveying pipeline. The gas capturing device provided by the application is safe, efficient and accurate.

The invention provides an array conveying device capable of preventing head and tail interlocking of material parts, which comprises a first conveying belt module, a feeding module, a steering module and a second conveying belt module, the first conveying belt module conveys flat material parts along the axial direction of the material parts, the feeding module is arranged to supply the material parts towards the first conveying belt module, and the steering module is arranged to steer the material parts along the axial direction of the material parts. The steering module is arranged on the downstream portion of the first conveying belt module and used for converting flat materials into vertical materials, the second conveying belt module is used for conveying the vertical materials, the second conveying belt module comprises a conveying mechanism and a sorting mechanism, the conveying mechanism is arranged on the downstream portion of the steering module, and the sorting mechanism is arranged above the conveying mechanism. And the sorting mechanism is arranged to only allow the conveying mechanism to convey the upright materials in the specific direction. The whole-column conveying equipment capable of preventing the head and the tail of the material piece from being interlocked is used for solving the problem that the head and the tail of an existing material piece are interlocked during conveying.

The application discloses a kind of based on deep learning's extremely weak light environment under moving target scattering imaging method and device, it is related to extremely weak light environment under moving target imaging field, for the speckle image obtained by detector, establish neural network to obtain position information and original image recovery information.The accurate position information of target is obtained using prior information and recovered speckle to carry out trajectory recovery.N fixed positions in the detection range are placed target, and the sampling graph of fixed position for training is obtained.N fixed positions of sample speckle are used to train neural network, and after training, fixed parameter becomes the neural network for low-light imaging position classification.Each fixed position of sample speckle is used to train neural network respectively, and after training, fixed parameter becomes the neural network for low-light imaging reconstruction in fixed position.The application uses multiple position neural networks to recover speckle together, obtains more environmental information, and is conducive to generating the accuracy of detection imaging under the complex motion state of target.

The utility model discloses a camera device, a combination of the camera device and a display and a combination of the camera device and an electronic device. The camera device comprises a shell, a camera, a first terminal group and at least one first magnetic component, the camera, the first terminal set and the first magnetic component are arranged on the shell, the first terminal set is electrically connected to the camera, and the first magnetic component can be used for repelling a second magnetic component on the displayer to push a sliding cover on the displayer so as to expose the second terminal set in the displayer. And the first terminal group and the second terminal group can be in contact with each other to realize electric connection. Therefore, the sliding cover has an automatic opening function to facilitate connection of the first terminal group and the second terminal group, and when the first terminal group and the second terminal group are separated, the sliding cover can cover the second terminal group, so that the problem that foreign matters such as dust enter the second terminal group to affect the electrical performance of the second terminal group is solved.

The utility model provides a semiconductor material deformation monitoring device, which relates to the technical field of semiconductor production, and comprises a tank body and a sound wave detection head, the inside of the tank body is fixedly connected with an overturning detection assembly, the top end of the overturning detection assembly is fixedly connected with a pressure assembly, and the top end of the tank body is fixedly connected with a feeding assembly. The overturning detection assembly comprises a motor and a connecting plate, the outer side of the motor is fixedly connected to the tank body, the driving end of the motor is fixedly connected with a top cover, the bottom end of the top cover is fixedly connected with a guide plate, and one end of the connecting plate is fixedly connected with a guide sliding column; the innovative design concept enables detection and analysis of the semiconductor material to be more flexible and comprehensive, careful observation can be performed from multiple angles, and researchers can accurately monitor the deformation process of the material, so that behaviors and characteristics of the material under different conditions can be better known, and the detection accuracy of the semiconductor material is improved. Therefore, the rupture of the thin film caused by uneven stress generated in the temperature change process is effectively avoided.

This invention discloses a power converter with a multi-slope compensation mechanism. The multi-slope compensation circuit of the power converter includes multiple first capacitors, a comparator, and multiple first resistors. An inductor is connected to the node between the first terminals of the multiple first capacitors and the second terminal of the upper bridge switch and the first terminal of the lower bridge switch. Multiple first input terminals of the comparator are respectively connected to the second terminals of the multiple first capacitors and to the first terminals of the multiple first resistors. The second terminals of the multiple first resistors are coupled to a second reference voltage. The second input terminal of the comparator is coupled to a first reference voltage. The output terminal of the comparator is connected to the input terminal of a drive circuit.

This invention relates to a method for manufacturing a flexible circuit board with bending capability. The method includes providing a circuit board body, which includes a first board area, a second board area, and a first bending region for bending. The first bending region is located at the junction of the first and second board areas. A first adhesive mechanism is attached to the first bending region. The circuit board body is bent such that the first board area extends along a first direction and the second board area extends along a second direction. The first adhesive mechanism is held between the first and second board areas at the first bending region and adheres to both sides of the first and second board areas. The bent circuit board body is placed on a fixture, and a first protective film is wrapped around the outer wall of the bent circuit board body. This invention reduces the risk of breakage and saves on protective film material by first attaching the first adhesive mechanism, then bending the circuit board body, and finally attaching the protective film.

The invention discloses a medical image diagnosis report traceability method and system based on a multi-modal large model, relates to the technical field of medical traceability, and solves the problems that cross-modal knowledge migration is blocked and a decision basis is difficult to trace due to lack of natural language explanation ability due to excessive dependence on labeling data of a specific modal in the prior art; the generated content lacks a verifiable physical positioning basis, and direct association between the focus position and the text description is not obviously established. The medical image and the diagnosis report of the same case are acquired; extracting key statements and lesion positions in the diagnosis report by using a medical image multi-modal large model; monitoring the key statement and the focus position; performing visual association between the key statement and the focus position to obtain traceability information; the corresponding lesion area in the image can be quickly positioned, and the specific form, characteristics and the like of the lesion can be checked.

The invention relates to a method for processing a blind hole through laser combination, which comprises the following steps: providing a substrate which comprises a copper foil layer, a resin layer and a bottom copper layer which are laminated from top to bottom; a first laser processing device is adopted to perform primary processing on the substrate so as to remove at least part of the copper foil layer and the resin layer of the substrate and form a first blind hole, and the first laser processing device is green laser equipment; and a second laser processing device is adopted to conduct secondary processing on the substrate, the first blind hole serves as the center, the residual copper foil layer and the residual resin layer of the substrate are removed, a second blind hole is formed, and the second laser processing device is carbon dioxide laser equipment. According to the method, the blind hole can be subjected to combined machining based on the green laser equipment and the carbon dioxide laser equipment, so that the damage of the bottom copper layer is controllable.

The present application discloses a polyester film and a manufacturing method thereof. The polyester film comprises a heat-resistant layer, and the heat-resistant layer comprises a high-temperature-resistant resin material and a polyester resin material. The high-temperature-resistant resin material and the polyester resin material are melted and mixed with each other by a double-screw granulator. The double-screw temperature of the double-screw granulator is between 250 DEG C and 320 DEG C, and the double-screw rotating speed of the double-screw granulator is between 300 rpm and 800 rpm, so that the high-temperature-resistant resin material can be dispersed in the polyester resin material with a particle size between 50 nm and 200 nm. Therefore, the finally manufactured polyester film can have good high-temperature resistance and bending resistance without sacrificing transparency, and is particularly suitable for application to a protective film of a folding mobile phone or a protective film for high-temperature manufacturing of a printed circuit board.

The present application relates to a kind of pipe joint cold heading forming method, wherein pipe joint cold heading forming method includes providing metal wire, cutting off wire, to obtain blank to be shaped;Form flange part on the first end side of blank;First hole is extruded on the first end surface side of flange part;The second end surface of the blank is limited, while the force towards the second end of the blank is applied to the bottom wall of the first hole, while the circumferential limiting portion is arranged on the second end of the blank, to form the second hole with the axial dimension greater than the first hole, while forming the stem portion;At the same time, the blank between the position of the flange part and the stem portion is not forced, and the annular portion with smaller outer diameter relative to the stem portion and the flange part is formed;Second hole is conducted, to form through hole along the axial direction, and waste is discharged.The present application can form pipe joint workpiece with smaller flange part by cold heading method, and the forming precision is higher.

The application discloses a switching charger for supplying stable power. A first input terminal of a first operational amplifier, a second input terminal of a second operational amplifier and a first input terminal of a fourth operational amplifier are connected to a battery. A second input terminal of the first operational amplifier is coupled to a reference voltage. A first input terminal of the second operational amplifier and a second input terminal of the fourth operational amplifier are connected to an inductor. A first input terminal of a third operational amplifier is connected to an input power supply. A second input terminal of the third operational amplifier is connected to a system circuit. A first selection circuit is connected to output terminals of the third operational amplifier and the fourth operational amplifier. A second selection circuit is connected to output terminals of the first operational amplifier, the second operational amplifier and the first selection circuit.

This invention relates to a high-efficiency energy conversion device, comprising a main shaft; a rotor mechanism, which is mounted on a rotating bearing of the main shaft and includes multiple permanent magnets spaced circumferentially around the main shaft; and a stator mechanism, which includes multiple sets of axially overlapping coil layers fixed to the main shaft. Each coil layer includes three sets of circumferentially alternating windings. Each winding is formed by folding multiple sets of conductor coils in half and connecting them end-to-end, forming two adjacent sets of windings staggered around the main shaft, creating a gap between each pair of adjacent conductor coils. This allows the stator mechanism to form multiple circumferentially spaced mounting slots around the main shaft, with a set of magnetic conductors installed in each slot. This invention utilizes the axial mounting slots formed by the connecting gaps to install the magnetic conductors, achieving a very high conductor coil fill factor while ensuring magnetic induction intensity through the magnetic conductors, resulting in high energy efficiency.

The application discloses a kind of car-car communication radio heating method and heating device of heavy freight train, utilize inductive freewheeling characteristic and full-bridge inverter principle, pulse current is generated using battery energy for internal heating of battery;Using pulse width control mode controls the on-off of driving half-bridge, and then according to the duty cycle control current of heating circuit, add PID controller to realize the control of heating current.The application proposes scheme without external power supply, directly utilize the energy of heated battery itself for internal heating, and can realize the free adjustment of heating current, with the advantages of high heating efficiency, flexible adjustment, improve the low-temperature resistance of lithium ion battery.Capitalizing on parameter identification method, the maximum heating current allowed is calculated, while ensuring rapid preheating, to avoid overcharge and overdischarge problems.

The invention relates to a customs digital employee working method. The method comprises the steps that original information of an external data source is monitored or acquired in real time through a communication interface layer; performing semantic understanding and intention recognition on the original information by using a natural language processing module, and extracting business entity information; providing a preset customs affair knowledge graph module, and determining a matched customs affair task needing to be executed through a decision reasoning module; and based on the selected matched customs affair task, decomposing the matched customs affair task into ordered executable atomic operation instructions through a task planning module, and sending the atomic operation instructions to an external communication object for operation, or based on the atomic operation instructions, performing automatic operation on the customs affair management system through an automatic operation engine. According to the invention, after the natural language processing module extracts the external data, the external data is matched with the preset customs affair knowledge graph module, and finally the matched customs affair task is generated to be manually processed or automatically executed, so that the customs affair operation efficiency is improved.

The nitrocarburizing process for the die-casting die without the white bright layer comprises the following steps that the die-casting die is quenched and tempered for multiple times, and the hardness of the die-casting die is adjusted; cleaning the surface of the die-casting die by using alcohol; the cleaned die-casting die is put into a gas nitriding furnace to be vacuumized, and then nitrogen is introduced; adding into a nitriding furnace to 560 DEG C, introducing ammonia gas and carbon dioxide into the nitriding furnace, adjusting nitrogen potential, and preserving heat for 2-4 hours, so that the die-casting die is in a strong permeation period; the nitrogen potential is adjusted, heat preservation is conducted for 4-8 hours, and the die-casting die is in the diffusion period; and replacing by using a nitrogen atmosphere, preserving heat for 2-4 hours, and discharging and air-cooling. According to the nitrocarburizing process for the die-casting die without the white bright layer, the white bright layer is eliminated, the structure of the carburizing layer is improved, and the depth of the carburizing layer is increased so as to prolong the service life of the die.

The present application provides a kind of flat cable overcoming the difference between inner diameter and outer diameter length, comprising: wire body and protective member, wire body includes two superimposed flat cables, at least one flat cable is provided with pre-bending part, pre-bending part protrudes from the plane of flat cable, protective member is sleeved on a part of two superimposed flat cables and accommodates pre-bending part, protective member has opening to allow pre-bending part to pass through opening after stretching.The flat cable overcoming the difference between inner diameter and outer diameter length of the present application can make the bent flat cable no longer have the problem of excessive flexure of outer ring and excessive compression deformation of inner ring due to the mismatch between inner diameter and outer diameter length.

The application discloses a processing method for improving board warping of FPCOIL products in a grafting process, comprising the following steps: providing a circuit board material containing products and a grafting jig capable of grafting single products; removing the whole board of the circuit board material containing defective products, marking the defective products with an identification mark, and delivering the defective products to a grafting process area; removing the defective products by using the grafting jig, wherein the grafting jig comprises a pressing plate and a cutter, the pressing plate is pressed on the circuit board material, and then the cutter is used to graft the defective products; removing the frame of the circuit board material, and using a cover plate to turn over the surface of the board; using a cotton swab to stick a good product patch, embedding the good product patch in the circuit board material, and making the products of the whole circuit board material complete. The application can effectively solve the problem of board warping caused by grafting of FPCOIL products, the pressing plate in the grafting jig can effectively hold the circuit board material when the cutter grafts the defective products, the products are not bent under the premise of stress, and the purpose of not causing product bending in the grafting process can be met.

This invention discloses a motor lock-up system. A closed-loop control circuit outputs an initial duty cycle signal based on the current speed and the target speed. A drive circuit outputs a drive signal to the motor based on the initial duty cycle signal to control motor operation. A lookup table operation circuit searches a lookup table for two reference duty cycles corresponding to two reference speeds that are identical to both the current and target speeds. The lookup table operation circuit calculates the difference between the two found reference duty cycles. A speed feedback control circuit compensates for this difference to the initial duty cycle signal, outputting a final duty cycle signal to the drive circuit. The drive circuit controls motor operation based on the final duty cycle signal.

A margin correction method and a margin correction system for static timing analysis are disclosed. The margin correction method includes: measuring a plurality of dies on a chip under test having a target circuit to obtain performance data; obtaining simulation data for simulating performance of the dies; performing a static timing analysis tool to obtain timing analysis results; counting the timing analysis results to obtain simulated process parameters; counting the performance data to obtain measured process parameters; establishing a statistical model defining a margin as a difference between the measured process parameters and the simulated process parameters; substituting the timing analysis results and the measured process parameters into the statistical model and performing a model fitting algorithm to fit the target model to obtain the margin; and obtaining corrected timing analysis results.

The invention discloses a self-powered small-molecule traditional Chinese medicine ion introduction acupoint patch which sequentially comprises an elastic backing layer, a piezoelectric energy collection layer, a drug-loaded conductive hydrogel layer and a release protection layer from outside to inside, the piezoelectric energy collection layer comprises a rectifier module, and the drug-loaded conductive hydrogel layer is arranged to be a solid ionic gel or semi-interpenetrating network hydrogel film. According to the self-powered small-molecule traditional Chinese medicine iontophoresis acupoint patch and the preparation method thereof, a microencapsulation technology is abandoned, free-state traditional Chinese medicine small molecules are directly adopted, and deep skin penetration is achieved through the high electrophoresis mobility of the free-state traditional Chinese medicine small molecules under a high-voltage electric field; through the design of an integrated flexible rectifying circuit or an asymmetric electrode, piezoelectric alternating current is converted into pulsating direct current, it is ensured that charged medicine is always subjected to one-way electric field force pointing to the deep layer of the skin, and meanwhile low-cost and large-scale manufacturing is achieved.

The invention discloses a parameter selection method and a parameter selection system for a real-time neural network operation framework. The parameter selection method comprises: obtaining an access policy combination for a target real-time neural network operation architecture, the access policy combination comprising a plurality of access policies; each access policy defines a plurality of access parameters used when the data access circuit accesses the memory. The parameter selection method also includes accessing the memory according to each access policy by configuring a plurality of data access circuits, and simultaneously configuring a plurality of operation channels to perform a convolution operation process for each access policy to obtain an optimized access policy used for performing the convolution operation process.