154results about How to "Minor changes" patented technology

The invention discloses a computing power sensing method of a mobile computing power network, belongs to the technical field of network communication, and aims to solve the technical problem of realizing computing power registration and computing power updating when a terminal and a base station serve as computing power nodes on the premise of reducing existing 3GPP standard interfaces. An N6 interface exists between a core network UPF and a computing power registration center, a terminal and a base station obtain an IP address of the computing power registration center in a data network by expanding reserved fields of cells such as terminal capacity and protocol configuration options in an existing protocol, and computing power information of the computing power registration center is reported and updated to the computing power registration center by using an application layer protocol through a user plane. Therefore, registration and updating of computing power information of a terminal side and a base station side are realized.

The invention relates to the technical field of refrigerating units, in particular to a refrigerating unit with high heat exchange efficiency, which comprises a top cover and a main body frame, a condenser is fixedly connected to the rear side of the lower part of the inner wall of the main body frame, a plurality of layers of partition plates are arranged on the front side of the condenser, and an air inlet assembly is mounted in the front side of the main body frame; a fan assembly is arranged on the front side of the partition plate, and a circulating assembly is installed on the inner side of a sleeve support in the fan assembly. Through cooperation of the air inlet grille, the blades, the heat exchange pipe, the first water inlet pipe and the water drainage pipe, the length and time needed by airflow to pass through the grille are increased, the inclined air inlet grille enables the airflow which flows backwards uniformly originally to be concentrated inwards, the airflow is concentrated on the surfaces of the blades, and the heat exchange effect is improved. The pits on the surfaces of the blades further increase the contact area of the air flow and the blades, so that the problems that the time needed when the air flow passes through the heat exchange tube is short, the contact area is limited, and the heat exchange efficiency is low are effectively solved.

The invention discloses a data integration method based on a data center. The method is based on data integration construction requirements of a multi-source heterogeneous data system, and comprises the following steps: firstly, establishing a data standard, constructing a data model, and establishing a unified specification for multi-source heterogeneous data in the system; building a data warehouse based on the data model, and storing data in the integration process; meanwhile, a data center is constructed, and data services such as data extraction, conversion, loading and display are provided by relying on an ETL technology and a data object encapsulation access method; and finally, distributing and synchronizing the integrated data by using a message middleware technology. Data integration of the multi-source heterogeneous data system can be achieved, and the method has the advantages of being high in stability, low in coupling, high in availability and the like.

The utility model relates to the technical field of garbage furnaces, in particular to a large garbage waste heat furnace structure which can reduce the temperature of high-temperature superheated flue gas so as to reduce the corrosion rate, is small in transformation degree and easy to realize, and comprises a fire grate, a hearth, a second flue, a third flue, a horizontal flue and a tail flue, a first evaporator, a high-temperature superheater, a medium-temperature superheater and a low-temperature superheater are sequentially arranged in the horizontal flue in the flue gas direction, and flag type evaporators are installed in the second flue and the third flue. A space is reserved between the high-temperature superheater in the horizontal flue and the first evaporator, a second evaporator is arranged in the space, and the number of the low-temperature superheaters is reduced to one group.

The invention discloses an FANUC industrial robot operation track program text modification method and device, and belongs to the technical field of industrial robots. The modification method comprises the following steps: displaying a to-be-modified robot operation program old text in a first text display box; modifying the modified text target line of the to-be-modified old text of the robot operation program through the basic control, changing old operation content in the modified text target line of the to-be-modified old text of the robot operation program into new operation content, and obtaining a new text of the robot operation program; displaying the obtained new text of the robot operation program in a second text display box, and checking the modified operation content in the obtained new text of the robot operation program; and taking the new text of the robot operation program passing the checking of the modified operation content as a new robot operation program. According to the modification method, the operation track program of the FANUC industrial robot can be quickly modified, and the program modification efficiency is improved.

The invention is suitable for the technical field of battery safety, and particularly relates to a network safety protection system and method of a power battery and related equipment. The network security protection system is used for carrying out data transmission between the energy storage equipment and the cloud platform. The network security protection system comprises an acquisition control module, a first calculation module, a second calculation module and a communication module. Compared with the prior art, the power battery safety system has the advantages that the scheduling control command is subjected to safety examination through the first calculation module, and a malicious command can be rejected to generate a destructive attack effect when the cloud platform end is controlled by an attacker; however, since the first calculation module and the second calculation module are controlled and separated, the first calculation unit module operates independently, and an attacker cannot influence the first calculation unit module. The first calculation module only checks whether the control operation is destructive in the current environment, does not carry out other operations, and does not interfere with normal management control.

The invention relates to the technical field of steering control, in particular to an electromechanical steering control system and method.The system comprises a steering handle, a controller, an electromechanical control unit and a display interaction screen; the steering handle is provided with a micro-motion device used for controlling fine-tuning steering and an angle sensor used for detecting the swing angle of the steering handle. The output end of the micro-motion device and the output end of the angle sensor are connected to the input end of the controller, and the signal line ends of the controller, the display interaction screen and the electromechanical control unit are connected with one another through a CAN bus. And the controller determines a control strategy based on an output signal of the micro-motion device, an output signal of the angle sensor and / or system parameters displayed in the display interaction screen, and controls the electromechanical control unit to drive the steering oil cylinder based on the control strategy so as to execute the steering action of the target harvesting machine. According to the invention, the softness and the sensitivity of the steering operation are ensured, and the individual requirements of operators on the steering control experience are met.

The invention is suitable for the technical field of electric spindles of numerical control machine tools, and provides an electric spindle cooling water jacket with a turbulent flow structure, a spiral flow channel is formed in the cooling water jacket, and the spiral flow channel is composed of a water inlet flow channel and a water outlet flow channel which are continuously and alternately arranged; a first turbulent flow structure and a second turbulent flow structure are arranged in the water inlet flow channel and the water outlet flow channel respectively, the first turbulent flow structure and the second turbulent flow structure are each composed of a turbulent flow column and a turbulent flow rib, and the turbulent flow columns are located in the middle of the rear portions of the turbulent flow ribs on the two sides. Under the condition that the flow and the temperature of cooling liquid are not changed, the heat exchange efficiency is improved by optimizing the turbulent flow structure, and energy consumption is prevented from being increased. Through the design of the spiral flow channel and the turbulent flow structure, heat exchange of a high-temperature area is enhanced, the highest temperature of the cooling water jacket and the temperature of a corresponding area are effectively reduced, and compared with a double-spiral cooling water jacket, the comprehensive heat exchange index of the cooling water jacket is improved. And meanwhile, the overall structure of the cooling water jacket is slightly changed, so that the manufacturing cost is reduced.

According to the enthalpy-increasing air conditioning system, the electric automobile and the control method of the enthalpy-increasing air conditioning system, the enthalpy-increasing air conditioning system is additionally provided with the first bypass pipeline, the second bypass pipeline and the control valve assembly, so that the enthalpy-increasing air conditioning system can still work in an indoor heating mode or an indoor refrigerating mode; refrigerants can enter from the same inlet of the economizer, so that the refrigerants flowing out of the economizer channel can achieve the enthalpy increasing function on the compressor under any condition; in addition, in the indoor heating mode, the refrigerant flowing out of the first channel of the economizer can be divided into three paths, the first path flows to the outdoor heat exchanger through a first throttling valve, the second path flows to the second channel of the economizer through a second throttling valve, and the third path flows to the battery heat dissipation heat exchanger through a third throttling valve. And the third path of refrigerant flows back to the compressor after absorbing the heat of the battery assembly in the battery heat dissipation heat exchanger, so that battery cooling can be started during indoor heating, the heat of the battery can be recycled, and the energy loss can be reduced.

A sensorless built-in permanent magnet synchronous motor comprises a rotor, the rotor comprises a rotor iron core and a plurality of permanent magnets embedded in the rotor iron core, and the magnetic poles of every two adjacent permanent magnets in the same end face of the rotor are different; the rotor core is provided with a plurality of magnetic barriers and magnetic isolation bridges, the magnetic barriers and the magnetic isolation bridges are respectively close to the outer side of the rotor, each permanent magnet is provided with a magnetic barrier corresponding to one side close to the outer side of the rotor, one pair of two adjacent permanent magnets is not provided with a magnetic barrier, and the two magnetic barriers respectively close to the two adjacent permanent magnets form a magnetic barrier group. The widths and the thicknesses of the magnetic barrier groups are respectively the same, and the widths of the magnetic barrier groups are different; a magnetic isolation bridge is arranged between each permanent magnet and the outer side of the rotor, the two magnetic isolation bridges close to the two adjacent permanent magnets respectively serve as a set of magnetic isolation bridges, the lengths and the thicknesses of the magnetic isolation bridge sets are the same, and the thicknesses of the magnetic isolation bridge sets are different. The invention has the advantages of low cost and small space volume. The invention also provides a rotor mechanical angle detection method.

The invention discloses an internal model control-based network construction type full-power wind power converter control method. The method comprises the following steps of: acquiring a control quantity of a network construction type full-power wind power converter; determining an active power current given value by using preset internal model control according to the control quantity; determining a modulation voltage of a wind power converter machine side converter according to an active power current given value by utilizing current loop control; utilizing direct-current voltage synchronous control, and outputting a control synchronous angle according to the control quantity; by means of voltage and current double-loop control, output control output voltage is output according to the control quantity; and realizing machine-side converter control of the wind power converter according to the modulation voltage, and realizing grid-side converter control of the wind power converter according to the control synchronization angle and the control output voltage.

A power transmission line overhanging tower ground wire double-hanging-point structure comprises an iron tower fixing frame, supporting angle steel is symmetrically arranged on the iron tower fixing frame and fixedly connected with the iron tower fixing frame through a first locking piece, and the supporting angle steel is fixedly connected with symmetrically-arranged hanging point angle steel through a second locking piece. The hanging point angle steel is connected with one end of the installation piece through a third locking piece, an installation groove is formed in the installation piece, a hanging point steel plate is arranged in the installation groove and fixedly connected with the installation piece through a fourth locking piece, and hanging holes are symmetrically formed in the hanging point steel plate. By adopting the structure, the original structure of the transmission tower is slightly changed, flexibly adjusted and refitted, and is convenient and practical; the hanging point steel plates are convenient to prefabricate, are independently manufactured according to different sizes and intervals of hanging holes, and are convenient to disassemble, assemble and select; the whole structure is simple and firm, modification, maintenance and replacement are convenient, and practicability is high.

This application provides a method, apparatus, and gate for digital currency transaction settlement. The method includes: receiving voucher data generated by a user-end digital currency device; the voucher data including digital currency paid by the user-end digital currency device; and saving the voucher data to a preset secure storage medium; the secure storage medium is set up independently of the transaction processing unit of the gate. In this way, for the user-end digital currency device, the deduction of digital currency is realized during the transaction, while for the gate, the receipt of digital currency is realized, thereby achieving real-time transactions based on digital currency without the need for payment through commercial banks. Simultaneously, since the voucher data, which has a large data volume, is stored in the secure storage medium instead of within the transaction processing unit of the gate, the burden on the transaction processing unit at each stage is reduced, enabling the application of digital currency in the transportation sector.

The invention discloses a method and an apparatus in a node used for wireless communication. The first receiver receives a second information block, the second information block is used for determining a first search space set and a second search space set, and a third search space set is connected; receiving a first information block, wherein the first information block is used for determining a reference time domain resource set; monitoring at least a first PDCCH alternative in the first search space set and at least a target PDCCH alternative in a target search space set in a first time unit; wherein the first PDCCH alternative and the target PDCCH alternative are monitored to be used for detecting a DCI (Downlink Control Information) format with the same information; whether the target search space set is the second search space set or the third search space set depends on whether the first time unit and the reference time domain resource set are orthogonal or not. The interference is reduced, and the flexibility of the system is improved.

This invention relates to a method for manufacturing a composite rotationally symmetric component (10) of varying thickness for a gas turbine, comprising: producing a fiber fabric (140) in the form of a mesh by three-dimensional or multi-layer weaving; winding the fiber fabric (140) in multiple overlapping layers (141, 142, 143, 144) onto a mandrel (200) with a profile corresponding to the casing to be manufactured, to obtain a fiber preform with a shape corresponding to the casing to be manufactured; and densifying the fiber preform by a matrix. During the winding of the fiber fabric (140) onto the mandrel, a fabric web (150) is placed between at least one or more adjacent turns of the fiber fabric, the fabric web (150) having a structure different from the three-dimensional weaving and in the axial direction (D... A The width of the ) is smaller than the width of the fiber fabric (140).

The application discloses a KDH binding verification method and device, and relates to the technical field of information security. The technical defects that the traditional certificate verification scheme does not explicitly distinguish between the CA certificate binding and the entity identity issuing constraint are solved. The method comprises the following steps: a terminal acquires an intermediate CA certificate of a KDH, binds the intermediate CA certificate as a legal KDH issuing CA after verifying the legality of the intermediate CA certificate by using a preset root certificate, and forms an issuer constraint with an unchangeable life cycle; in subsequent communication, the terminal only accepts entity certificates issued by the binding CA, and realizes KDH identity authentication by verifying the issuer field matching and the digital signature validity of the entity certificate. The application solidifies the binding relationship of the terminal-intermediate CA certificate, shrinks the trust boundary from the general CA certificate chain to a specific issuer constraint, effectively prevents illegal KDH entity impersonation attacks, and is especially suitable for payment terminals and other scenarios with extremely high requirements for identity authentication security.

This disclosure relates to an antenna structure and a terminal device. The antenna structure includes: an antenna frame comprising: a conductive frame having a first frame and a second frame surrounding the first frame; the first frame having a gap; a circuit board assembly mounted on the second frame and connected to the first frame; the circuit board assembly being provided with an impedance component for adjusting the length of the antenna current path within the conductive frame. Embodiments of this disclosure enable improvements in antenna performance while reducing the impact on the device's appearance.

The embodiment of the invention provides a data processing method and device, equipment, a storage medium and a program product. The method comprises the following steps: acquiring a filled change description template; wherein the filled change description template comprises change content; the change content comprises table structure change information and data content change information; determining a data link relationship according to the filled modification description template; wherein the data link relationship represents a data influence range of the change content on the data in the data; determining a target modification path based on the data link relationship; and processing the corresponding data in the data table based on the target modification path and the filled modification description template. According to the embodiment of the invention, the change content filled by using the uniform change description template is combined with the target change path, so that the corresponding data in the data-in-the-channel can be automatically processed, and meanwhile, the change of the data in the data-in-the-channel can be reduced, and the maintenance cost of the change of the data in the data-in-the-channel can be reduced.

The invention discloses a part sorting indication system based on a visual tablet personal computer, which guides a sorter to work by integrating data and automation functions of a warehouse management system, and comprises a system interface module used for carrying out data transmission with the warehouse management system; the database management module is used for storing and managing data; the task management module is used for automatically calculating and distributing order picking tasks; the sorting system has the beneficial effects that rapid, accurate and flexible sorting operation of the materials can be achieved, and the management efficiency of overall sorting is improved; besides, the part sorting system can be combined with the modern logistics technology, enterprise information resource integration is effectively completed, enterprise logistics management and supply chain management enter the intelligent era, and the part sorting system based on the visual tablet personal computer can conduct data interaction with a server through a wireless network to achieve real-time indication ticket management.

The present invention provides a processing device for in-vehicle terminal domain controller integrated with under-screen fingerprint recognition, including a central control display screen and a domain controller arranged at the vehicle end; the domain controller communicates with a remote cloud backend, wherein: the central control display screen includes: a display screen module, a fingerprint recognition sensor integrated under the display screen module, an encryption conversion circuit connected to the fingerprint recognition sensor, and a first video codec chip connected between the encryption conversion circuit and the display screen module; the domain controller includes a second video codec chip, a SOC chip, a security encryption chip, a security data storage device, a vehicle network communication module and a DSP chip, and the DSP chip is connected to a speaker. The present invention also provides a corresponding method. By implementing the present invention, the user's identity can be quickly authenticated, and various cloud backends can be conveniently logged in through the domain controller to provide users with various professional services.

The present invention relates to an improved pusher with wear resistance, comprising: a shell, a tungsten carbide wear-resistant coating is sprayed on the outer wall of the shell in contact with the well logging wall, a pin hole is provided on the inner wall of the shell, the pin hole is located at the lower end of the shell and on the opposite side of the wear-resistant coating; a leg, which is vertically arranged on the side wall of the shell and has an upper end movably connected to the shell, the leg and the pin hole are located on the same busbar; a plug, which is connected to the shell, and a protruding retractable pin is provided on the side wall of the plug to cooperate with the pin hole. The present invention optimizes and improves the defects of the original structure of the pusher in the prior art, and updates the original structure. The problem of serious wear and tear of the original shell and the structural problems of the pusher are solved, the service life of the pusher is increased, and the overall modification is small, and the method is simple and effective.

The invention discloses a method and an apparatus in a node used for wireless communication. A first receiver that receives a first information block that configures at least one symbol as downlink; a second information block is received, and whether a symbol configured to be downlink by the first information block is a first type symbol or not depends on the second information block; receiving a first signaling, wherein the first signaling indicates a first RS resource set; receiving a first RS and a second RS in the first symbol group and the second symbol group, respectively; wherein the first RS and the second RS are both transmitted in the first RS resource set; whether the ports with the same port index of the first RS and the second RS are the same ports or not depends on the second information block. According to the invention, the reliability and accuracy of measurement are ensured, and the system performance is optimized.

The present invention discloses a low-complexity multi-user communication signal recovery and perception positioning estimation method, which generates and transmits an integrated waveform of superimposed pilot and data at the transmitting end, so that the communication signal and the perception signal are linearly superimposed in the symbol domain using a power allocation method in the same time-frequency resource block, and the receiving end uses a designed low-complexity algorithm to process the received signal to realize the function of simultaneous communication and positioning of multiple users; including: using SCMA technology to design an encoder for superimposed symbols at the transmitting end and a decoder for detection and demodulation at the receiving end, and using the UAMP-SBL algorithm at the receiving end to process the received signal to separate the positioning coordinates of the communication signals of multiple users. The present invention is based on the original RIS-assisted communication system, and can use a low-complexity algorithm to simultaneously obtain the communication data of multiple users and accurate user positioning coordinates without adding additional hardware equipment.

The invention discloses a three-dimensional packaging chip system with a built-in interconnection test function and a detection method thereof, and the system comprises a packaging semiconductor main body which is internally provided with a plurality of wiring layers, a testability design (DFT) circuit which is integrated in a chip, and an internal multi-channel selection switch network which is controlled by the DFT circuit and is arranged on each wiring layer. And at least two detection pins / pads which are arranged outside the package and have a small number and increased pin spacing. According to the method, the DFT circuit is used for controlling switching of the switching network, different internal interconnection paths are multiplexed to the detection point in a time division mode for electrical measurement, and accurate positioning of fault nodes is achieved by analyzing multiple sets of measurement results. According to the method, the problem that the needle card is difficult to test due to warping of high-density packaging is effectively solved, hierarchical and nodal accurate diagnosis of internal interconnection faults of three-dimensional packaging is realized for the first time, the test cost and complexity are remarkably reduced, and a hardware basis is provided for online function repair.

A method and apparatus for reporting in a node used for wireless communication are disclosed. A first node receives a first information block; the first information block configures a reporting, the reporting configured by the first information block is periodic or event triggered; receives RS in a first RS resource set; when the reporting is periodic, the first RS resource set is used for at least one of channel measurement or interference measurement of the reporting configured by the first information block; when the reporting configured by the first information block is event triggered, the reporting configured by the first information block is triggered only when a triggering event is satisfied, the triggering event depends on measurement of the first RS resource set; the first information block comprises a first index; whether the reporting configured by the first information block comprises the first index depends on whether the reporting configured by the first information block is event triggered.

This disclosure relates to the field of thermal automatic control, specifically to a speed signal processing method and system. The system includes: a speed measuring gear, a magnetoresistive speed sensor, a first capacitor, a signal shaping module, and a controller. The speed measuring gear and the magnetoresistive speed sensor are arranged adjacently and separated by an air gap threshold. The magnetoresistive speed sensor is connected to both ends of the first capacitor to generate a speed signal when the speed measuring gear rotates. The first capacitor is used to remove zero-crossing harmonics from the speed signal to correct it. The first and second input ports of the signal shaping module are connected to both ends of the first capacitor to generate a square wave signal based on the corrected speed signal. The controller receives the square wave signal. Thus, the first capacitor selects the frequency of the speed signal, removes zero-crossing harmonics outside the passband, and repairs the distorted speed waveform to obtain a sine wave.

The invention relates to a variable-pitch data transmission line and a preparation method thereof. The preparation method comprises the following steps: providing a to-be-wrapped core wire assembly and a wrapping base material belt; setting a variable wrapping pitch for the wrapping base material belt; wrapping the core wire assembly by adopting a wrapping base material belt in a transverse wrapping manner to form a wrapping structure; wherein the transverse wrapping mode has a variable wrapping pitch; and obtaining the variable-pitch data transmission line based on the core wire assembly and the wrapping structure. On one hand, the traditional industry prejudice that the harmonic peak can only be used for reducing the wrapping pitch is eliminated, and a changing wrapping pitch is formed by adjusting the wrapping mode in another way, so that the problem of signal transmission attenuation caused by a fixed pitch period is avoided, the huge harmonic peak is avoided, and the effectiveness of signal transmission is ensured; and on the other hand, due to the changed wrapping pitch, the pitch does not need to be reduced, so that the lap joint rate and the lap joint effectiveness are ensured, and the problem that the wrapping process is difficult to form due to the fact that the width of the belt is too small is solved.

This invention provides an automatic attachment switching control system (100) for unmanned attachment switching of emergency rescue engineering equipment. The system comprises a complete machine system (110) and an attachment system (120). The complete machine system (110) includes a control unit (111), a main engine oil circuit (118), a main engine solenoid valve group (112), a quick-change device solenoid valve group (117), an execution unit (113), a working unit (114), a motion feedback unit (115), and a visual feedback unit (116). The attachment system (120) includes a working attachment (121) and a position tag (122). The working attachment (121) is used to perform operations such as grasping, crushing, cutting, shearing, and breaking. This invention also provides an automatic attachment switching control method. This control system and method enable unmanned attachment switching of emergency rescue engineering equipment, improving the safety and efficiency of operators during rescue and disaster relief operations.

The invention provides a master-slave device management method and a multi-battery module management system. The method is applied between at least one master device and a plurality of slave devices, and the master device transmits door opening information to the plurality of slave devices through a bus, so that the door opening information received by the bus in the at least one slave device is set to be in a door opening state. Therefore, the master device transmits the command information to the plurality of slave devices through the bus, and the slave devices set to be in the open state can execute the command information. The battery management module can transmit door opening information and command information to a plurality of battery modules so as to achieve the purpose of appointing at least one battery module to execute the command information. Therefore, on the premise that the master equipment and the slave equipment are connected in the same hardware line and / or the slave equipment has the same ID, the master equipment can still specify the specific slave equipment to execute the specific command information.

The present invention relates to a door stop structure, which is arranged between an aircraft door and an aircraft fuselage, and comprises: a fuselage stop block, which is fixed to the aircraft fuselage; a stop pin, which is fixed to the aircraft door, and when the aircraft door is closed to the aircraft fuselage and the aircraft cabin is pressurized, the stop pin is stopped by the fuselage stop block and is electrically connected to the fuselage stop block; and an electrical overlap structure, which makes the aircraft door electrically connected to the aircraft fuselage when the aircraft door is closed to the aircraft fuselage and the aircraft cabin is not pressurized. This door stop structure can add a conductive path to the door when the stop pin is disengaged from the stop block before pressurization, thereby reducing the resistance value of the door and the door frame structure before pressurization, thereby effectively increasing the electromagnetic protection capability of the door. In addition, the present invention also relates to an aircraft door.