333results 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 a method for realizing cross-network series connection between a client and a server of a P2P system through a springboard, which is suitable for the conditions that the client and the server of the P2P system are positioned in two network environments, the networks are independent, the routing rule is complicated and the security requirement is strict, and can realize cross-network series connection transmission of data streams between the P2P server and the client by means of the springboard. A client side internal network does not need to be adjusted, a P2P service side network does not need to be adjusted, and server software does not need to be modified or newly deployed. The method is characterized in that service data are not coupled, two networks are connected in series for data transmission by modifying address data of an underlying transmission protocol and maintaining an address mapping relation table of transmission data, and the whole process is similar to the operations of receiving and transmitting data by a router, modifying network address information and maintaining an NAT port table.

The flow divider with the in-situ self-checking function comprises a flow divider shell, a self-checking structure is further arranged in the flow divider shell, the self-checking structure comprises a left conversion valve, a left self-checking oil way, a right conversion valve, a right self-checking oil way, a confluence oil way, a flow measuring piece, an indicating gauge and a third overflow valve, and the flow measuring piece is installed at the position, close to an inlet, of the confluence oil way; a piece shaft is fixed to the center of the flow measuring piece and rotatably installed in the confluence oil way, the left end of the flow measuring piece is close to the left side of the confluence oil way, the right end of the flow measuring piece is close to the right side of the confluence oil way, and oil from the left self-checking oil way and the right self-checking oil way can impact the left end and the right end of the flow measuring piece respectively so that the flow measuring piece can rotate. A pointer is arranged in the dial gauge, the root of the pointer is fixedly connected with the sheet shaft, and when the sheet shaft rotates, the pointer can be driven to rotate. Whether the oil outlets in the two sides are balanced or not can be detected in situ, and the time cost and the detection cost for troubleshooting the fault of the shunt are greatly reduced.

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 provides a novel quick-change suction cup mechanism which comprises a quick-change copper sleeve and a suction cup mechanism body. The quick-change copper sleeve comprises a ventilation inner cylinder and a mounting outer cylinder, the top of the mounting outer cylinder is provided with a mounting part connected with the industrial robot, the middle lower part of the mounting outer cylinder is provided with an inner concave section, and the inner concave section is tightly sleeved with a first sealing ring; the top of the inner ventilation cylinder is fixedly connected with the inner top wall of the outer mounting cylinder, and the bottom is connected with the bottom of the outer mounting cylinder, so that the bottom opening of the inner ventilation cylinder forms a sucker inlet; an air inlet formed in the middle of the ventilation inner cylinder is connected with an air source plug; the sucker mechanism comprises a connecting cylinder located at the top and a sucker located at the bottom, the front end of the connecting cylinder is of a conical structure, and a ring groove embedded with a plurality of steel balls is formed in the waist; the connecting cylinder can be inserted into the ventilation inner cylinder from the suction cup inlet and is attached to the inner wall of the ventilation inner cylinder in a sealed mode under the tightening effect of the first sealing ring. By the adoption of the novel quick-change suction cup mechanism, disassembly and assembly of the suction cup mechanism can be completed based on simple plugging and wiping, and the replacement efficiency of the suction cup mechanism is remarkably improved.

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 utility model provides an electromagnetic regulating valve which comprises a first split body, a second split body, an electromagnetic valve assembly and a fixing part, the electromagnetic valve assembly is located between the first split body and the second split body, and the first split body and the second split body are detachably installed together through the fixing part. And the electromagnetic valve assembly, the first split body and the second split body are assembled together. The electromagnetic regulating valve is further provided with an air inlet hole and an air outlet hole, the electromagnetic valve assembly comprises a body and a valve element, the body is provided with a movable cavity for the valve element to move, the air inlet hole and the air outlet hole are communicated with the movable cavity, and the valve element at least corresponds to the air inlet hole and is used for controlling opening or closing of the air inlet hole. When the air inlet hole is opened, external airflow enters the electromagnetic regulating valve and flows out of the air outlet hole, and when the air inlet hole is closed, the external airflow is prevented from entering the electromagnetic regulating valve, so that the air pressure of the air outlet hole is controlled. In addition, the utility model further provides a vehicle pneumatic brake system and a vehicle.

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 discloses a battery pulse heating system, a vehicle, a heating method and a computer readable storage medium. The heating system comprises an inverter, a motor, a main diode VD0, a motor controller and a battery management module, and a main switch K0 is arranged between the inverter and the positive electrode of a battery pack E; the positive electrode of the main diode VD0 is connected to the parallel end of the capacitor C of the inverter and the three upper bridge arms, and the negative electrode of the main diode VD0 is connected to the positive electrode of the battery pack E; when the state parameters, collected by the battery management module, of the battery pack E meet preset heating conditions, the battery management module sends a heating instruction to the motor controller; and the motor controller responds to the heating instruction, outputs a driving signal to control a preset target upper bridge arm switch to be switched on, and periodically controls a main switch K0 and a preset target lower bridge arm switch to be synchronously switched on and switched off. The invention has the advantages that the motor bus capacitor C and the stator inductor are simultaneously utilized to store energy, the pulse current passing through the battery pack E is increased, and the heating efficiency is improved.

The utility model discloses a vertical mill grinding roller bearing circulating cooling and lubricating device which comprises a lubricating oil storage tank, and a main oil pump is installed at the bottom of the lubricating oil storage tank. The oil outlet end of the main oil pump is connected with an oil supply main pipe, and the other end of the oil supply main pipe is connected with a plurality of oil supply branch pipes; an oil inlet of the lubricating oil storage tank is connected with an oil return main pipe, and the other end of the oil return main pipe is connected with a plurality of oil return branch pipes; an auxiliary oil pump is arranged between the oil supply main pipe and the oil return main pipe. According to the utility model, the auxiliary oil pump is arranged and can increase the circulating speed of lubricating oil on the basis of the main oil pump, so that the quantity of oil flowing through the grinding roller bearing in unit time is increased, and the requirements of rapid cooling and lubrication are met; and by increasing the circulating speed of the lubricating oil and the oil quantity in unit time, heat generated by the grinding roller bearing during working can be more effectively taken away, so that the temperature of the bearing is reduced, the service life of equipment is prolonged, and the performance is improved.

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 utility model belongs to the technical field of agricultural machinery, and particularly relates to an agricultural machinery remote starting and flameout control system which comprises a key switch, a starting relay, a flameout relay, a whole vehicle controller, a starter, a generator and a storage battery. The starter is mainly used for converting electric energy of the storage battery into mechanical energy and driving a flywheel of the engine to rotate through a transmission mechanism so as to start the engine; the storage battery stores electric energy of the engine. The other end of the normally open contact of the starting relay is connected with the 50 end of the starter; the positive electrode of a coil of the flameout relay is connected with a flameout signal line of a vehicle control unit, and a normally-closed contact of the flameout relay is connected to a flameout control line of an engine ECU in series. According to the utility model, the remote starting and flameout of the engine can be realized, and the problem that the starting and flameout of the key switch fail when the vehicle control unit breaks down or is dismounted is effectively solved.

The utility model relates to the technical field of elevator car protection. An elevator car falling protection device comprises an elevator shaft and a car and further comprises a stall detection system, a buffering device is arranged at the bottom of the elevator shaft, a buffering air bag system is arranged above the buffering device, the stall detection system is connected with an ignition device of the buffering air bag system, and a safety air bag system is further arranged in the car. The collision detector is connected with an ignition device of the safety air bag system. Double buffering and protection are provided for an elevator car through a buffering matrix composed of hydraulic buffers and a buffering air bag arranged in an elevator shaft. And at the moment that the lift car collides with the buffer plate finally, the safety air bag in the lift car is ignited and released, so that the impact force of the passengers to the bottom of the lift car is buffered, and the personal safety of the passengers is guaranteed. In addition, an active buffer device and a passive buffer device are arranged in the elevator shaft, the car is slightly changed, the operation cost is saved on the premise that safety is guaranteed, and the social effects of emission reduction and efficiency improvement are achieved.

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.

The invention belongs to the field of engines and computational fluid mechanics, and discloses an engine combustion chamber fuel injection point source loading method based on a flame surface model. According to the engine combustion chamber fuel injection point source loading method based on the flame surface model, the point source is arranged at the center point of the fuel injection hole under the condition that the numerical simulation precision of the combustion chamber is not reduced according to the rapid, efficient and accurate numerical simulation requirements of fuel injection, mixing and combustion processes in the aerospace engine combustion chamber; a mass source item, a momentum source item, an energy source item and a mixed fraction source item are added in a control equation set, so that the generation difficulty of a complex grid is reduced, the physical characteristics of the fuel injection process are well represented, a combustion chamber numerical simulation CFD program is slightly changed, the operability is high, and the method is suitable for large-scale popularization and application. And the modeling difficulty and the grid number of the combustion chamber grid with the complex engineering configuration are reduced, the engine evaluation design efficiency is greatly improved, and the engineering practical value is achieved.

The invention provides a car coupler uncoupling device. The car coupler comprises a coupler body, a coupler knuckle rotationally installed on the coupler body and a lock body pin, the lock body pin can lock or unlock rotation of the coupler knuckle, and the uncoupling device comprises a power assembly installed on the coupler body and comprising a telescopic power output end; the unhooking adapter plate is rotationally connected with the hook body and is rotationally connected with the power output end of the power assembly through an adapter shaft; in the extending process of the power output end, the plate body rotates to make contact with the lock body pin, and acting force rotating towards the interior of the hook body is applied to the lock body pin, so that the lock body pin unlocks the hook tongue. The manual unhooking assembly is connected with the lock body pin and can manually apply acting force rotating towards the interior of the hook body to the lock body pin so that the lock body pin can unlock the hook tongue. According to the invention, the integration of the automatic uncoupling device and the manual uncoupling device on the down-acting coupler is realized for the first time, the original coupler structure does not need to be greatly improved, and the operation is convenient.

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.