61results about How to "Minor changes" patented technology

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.

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.

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.

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 utility model discloses a kind of assembled external elevator shaft;Including elevator shaft pedestal, several layer unit structures and several corridor components;Elevator shaft pedestal is arranged on the ground outside building, several layer unit structures are vertically arranged in turn, the layer unit structure in the lowermost layer is fixed with elevator shaft pedestal, and the cavity for reciprocating of elevator is formed in several layer unit structures inside;Corridor component is equipped between adjacent upper and lower group layer unit structures, and the corridor component at least includes two corridor support beams, one end of corridor support beam is detachably connected with corresponding layer unit structure, and the other end of corridor support beam is fixedly connected with building side wall.This assembled external elevator shaft uses assembled structure, and each component is installed on site, which greatly shortens construction period.Prefabricated bolt and detachable connection mode make installation process more convenient, reduce on-site construction time and labor force.It has little influence on building main body, and external elevator shaft does not occupy building internal space, which reduces the modification of building main structure.

The disclosure provides a software upgrading method and system, an electronic device and a storage medium. The method is applied to a special upgrading device and includes the following steps: receiving upgrading information sent by an agent device; wherein the upgrading information is sent by a virtual machine in an upper computer device to the agent device through a local area network; and sending the upgrading information to a device to be upgraded; wherein the upgrading information is used for the device to be upgraded to perform software upgrading. Through the above method, the universality of software upgrading is improved, and remote upgrading is supported and the upgrading efficiency is improved.

The invention discloses a control system and method for maintaining an IO (Input / Output) state in an ECU (Electronic Control Unit) flashing process. The system comprises a main control chip MCU and at least one SPI control device which are connected through an SPI bus. The SPI control device does not have a watchdog function and is integrated with a latch circuit. Before the MCU executes the operation mode of switching between the application program and the bootstrap loader, a configuration instruction is sent to the SPI control equipment through the SPI bus, and a controlled IO pin of the SPI control equipment is set to be a preset level; during the SPI communication interruption caused by mode switching, the SPI control equipment keeps the IO state of the SPI control equipment unchanged by means of an internal latch; and after the communication is recovered, the MCU takes over control again through the SPI instruction. According to the method, the hardware latch characteristic of the SPI control equipment is utilized, seamless and non-interruption maintaining of control signals of external key equipment is achieved in the ECU internal program jumping and function interruption period, and the problem of power failure or misoperation of the external equipment in the flashing process is solved.

This invention relates to a method for calculating the opening degree of a vehicle window, characterized by including the calculation of the action opening amount and the calculation of the opening degree. The calculation formula for the action opening amount is: Action opening amount = Td*Uw / 14 / Tadn*(1+C1*Nd)-Tu*Uw / 14 / Taun*(1+C2*Nu), where C1 and C2 are adjustment coefficients, C1 is 0~0.04, and C2 is 0.003~0.007. The calculation formula for the opening degree is: Opening degree = (Original opening degree ± Action opening amount) * 100 / 10. When the window is in the raised state, the opening degree = (Original opening degree - Action opening amount) * 100 / 10 and is rounded to the nearest integer; when the window is in the lowered state, the opening degree = (Original opening degree + Action opening amount) * 100 / 10 and is rounded to the nearest integer. By adopting the above technical solution, the present invention provides a method for calculating the opening degree of a vehicle window, which can meet the requirements of intelligent vehicles to recognize the current opening degree of the window. It has no special requirements for the hardware of the whole vehicle, is calculated by software, requires little modification to the whole vehicle system, has low cost, and can improve the comfort control of the vehicle.

The paper diaper with the soft leakage-proof partition edges comprises a body, the body comprises a liquid-permeable surface layer, an absorption part and a liquid-tight bottom layer, the leakage-proof partition edges extending in the longitudinal direction are symmetrically arranged on the skin side of the liquid-permeable surface layer, each leakage-proof partition edge comprises a leakage-proof partition edge non-woven fabric and a soft non-woven fabric, and the soft non-woven fabric is compounded on the leakage-proof partition edge non-woven fabric, so that the leakage-proof partition edges are made of non-woven fabric. The soft non-woven fabric covers the rubber root part of the non-woven fabric of the leakage-proof partition edge, so that the softness of the whole leakage-proof partition edge is improved, meanwhile, multi-layer material protection is formed, the liquid blocking capacity is improved, and the urine leakage risk is reduced.

The utility model relates to the technical field of methanol engine, specifically disclose a control system for marine methanol engine cold start, including engine system, the top of one side of engine system is fixed with intercooler, the top of the other side of engine system is fixed with fresh water cooler and expansion water tank, and the top of expansion water tank is connected in fresh water cooler, and the bottom of fresh water cooler is connected with sea water circulation system, and sea water circulation system is connected with sea water pump, and the bottom of intercooler is equipped with water inlet no.

This application discloses a method and apparatus for customizing foot pedal button functions, belonging to the field of human-computer interaction systems for surgical power devices. The method includes generating or modifying a foot pedal button function mapping table through a user configuration interface; the system reads the foot pedal button status in real time; based on the mapping table, the button status is mapped to corresponding control signals and transmitted to the functional modules of the surgical power device to drive operation. The apparatus includes a configuration module, a reading module, a mapping module, and a transmission module; a storage module and a verification module may also be added. This invention can flexibly adapt to user habits, improve operational proficiency, reduce the risk of misoperation, effectively improve surgical efficiency and quality, and has strong compatibility, making it easy to integrate and promote in existing equipment.

The invention relates to a cooling device for a magnetic suspension high-speed pump. The cooling device comprises a pump body, an inducer, a volute, an impeller, a pump cover, a sealing body, a shaft, a shaft sleeve, a magnetic suspension motor and a cooling jacket integrated in the pump body. A sleeve type cooling flow channel surrounding heating areas of the shaft and the shaft sleeve as well as the impeller and the sealing body is formed in the cooling jacket; a cooling medium inlet and a cooling medium outlet which are communicated with the sleeve type cooling flow channel are formed in the cooling jacket; and the cooling medium inlet and the cooling medium outlet are connected with an external cooling loop through pipe joints. The cooling flow channel is directly integrated in the pump cover, the overall structure is greatly simplified, the number of parts is reduced, and the manufacturing cost and potential fault points are reduced. The sleeve type flow channel design increases the heat exchange area, the turbulent flow structure strengthens the heat exchange process, and heat can be taken away rapidly and evenly. The magnetic suspension pump is compact in structure, small in change of an existing magnetic suspension pump and easy to adapt.

The application belongs to the signal reading part in the circuit system, and relates to a digital signal driving circuit and a driving method with multi-channel input and single-channel output. The driving circuit comprises an enabling pulse generating circuit, a time sequence generating circuit and m signal transmission circuits. The enabling pulse generating circuit has one clock signal input end, one enabling pulse signal input end and n column-level circuit output switch control signal output ends. The time sequence generating circuit has k column-level circuit output switch control signal input ends and k signal transmission control time sequence output ends. Each signal transmission circuit has n column-level circuit signal input ends, n column-level circuit output switch control signal input ends, k signal transmission control time sequence input ends and one single-tap data output end. In one signal transmission circuit, n columns of signals are divided into k sections for driving respectively, and each section has j columns of reading circuits, so that multi-channel input and single-channel output of single-tap signal transmission from the column-level circuit are realized.

The invention discloses a laser printer waste powder prevention control device and method based on mechanical shielding, and aims at solving the problem that when an existing A4-breadth laser printer prints A5 and other narrow-breadth paper, redundant waste powder is generated in non-printing areas at the two ends of a photosensitive drum and a developing roller, and consequently a waste powder bin explodes in advance. According to the technical scheme, the non-printing area is physically isolated from carbon powder through the telescopic shielding piece capable of being precisely controlled. The device comprises a paper detection module and a mechanical shielding unit, when printing of narrow paper is detected, a shielding piece is driven to stretch out, the areas, exceeding the width of the paper, of a photosensitive drum and a developing roller are accurately shielded, and carbon powder is prevented from being attached to a non-printing area from the physical level. The device is simple in structure, convenient to refit, high in reliability and capable of effectively prolonging the service life of the waste powder bin and reducing the cost of consumables.

The application provides a vehicle heat insulation system, a vehicle with the same and a vehicle heat insulation method. The vehicle heat insulation system comprises a battery box connected with a vehicle body, a battery pack arranged in the battery box, and a battery pack upper cover of the battery box; a vehicle body bottom plate connected with the battery pack upper cover, a sealing element arranged between the vehicle body bottom plate and the battery pack upper cover, at least one liquid storage area formed between the sealing element, the vehicle body bottom plate and the battery pack upper cover, and the liquid storage area used for storing cooling liquid; and a liquid supply system comprising at least a conduit and a liquid storage tank, a first end of the conduit in communication with a liquid outlet pipe of the liquid storage tank, and a second end of the conduit in communication with the liquid storage area through the vehicle body bottom plate, the conduit being used for passing the cooling liquid into the liquid storage area to cool and lower the temperature of the battery pack. The liquid storage area is arranged to cool and lower the temperature of the battery in thermal runaway, to avoid the heat of the power battery after ignition from spreading to the vehicle body, and to solve the technical problem of the vehicle accident caused by the battery ignition in the prior art.

The utility model discloses a kind of explosion-proof machine case and power electronic equipment, including machine case main body and the machine cover of installation fixed in the top of machine case main body, a pair of side edge of machine cover is equipped with several first cover hole concave package, another pair of side edge of machine cover is equipped with several second cover hole difference concave package, first cover hole concave package is equipped with first concave package via hole, second cover hole difference concave package is equipped with second concave package difference via hole, the top ring surface of machine case main body is installed with several machine case main body connecting support piece corresponding with first cover hole concave package and second cover hole difference concave package respectively, second concave package difference via hole and first concave package via hole are all equipped with matching machine cover connecting piece.The utility model has the beneficial effect that: better explosion-proof effect can be realized, and for existing machine case and cover body change is smaller, appearance influence is small, improve the application range of explosion-proof machine case, reduce explosion-proof cost, compared with explosion-proof valve explosion-proof, its explosion-proof reliability is higher.

This invention relates to a method for retrofitting a commercial vehicle's belt-driven air conditioning system to a dual-mode system, addressing the problems inherent in the current market's primary "dual-system parallel" approach for handling vehicle parking cooling needs. The steps include: (a) removing the original belt-driven compressor from the vehicle's air conditioning system while retaining other components; (b) embedding a permanent magnet synchronous motor drive module, enabling the compressor to switch to AC power drive mode when the engine is off, thus forming a dual-mode compressor capable of both belt and electric drive; connecting it in series with the original air conditioning components to form an air conditioning circuit; (c) providing an electric drive controller and wiring harness, the controller converting AC power into the required voltage to power the dual-mode compressor and the original vehicle air conditioning system; and (d) electrically matching the wiring harness with the original vehicle air conditioning wiring harness and allowing for external AC power connection. This invention achieves seamless switching of the air conditioning system between driving and parking conditions through the dual-mode drive retrofit of the belt-driven air conditioning system.

This invention relates to the field of water-guided laser technology, and discloses a control method and device for water-guided lasers, as well as a readable storage medium. The control method for water-guided lasers includes the following steps: using a coaxial vision sensor to acquire a coaxial image of the nozzle inlet end face and the laser focused spot through a first optical axis, where the first optical axis is shared by the beam splitter and the water-guided laser optical path; and performing dark field correction processing on the coaxial image. This water-guided laser control method, by acquiring a coaxial image of the nozzle inlet end face and the laser focused spot through a coaxial vision sensor, changes the ratio of meridional rays to oblique rays incident on the water jet, transforming the energy distribution of the water jet cross-section from a centrally concentrated Gaussian-like distribution to a uniform distribution with sufficient energy at the edges. This effectively solves the problem of uneven processing caused by insufficient edge energy in traditional water-guided laser processing, improving processing accuracy and surface quality.

The utility model belongs to the technical field of agricultural electrical control handle, specifically relates to a kind of calibration device of electrical control handle, including walking handle position sensor, steering handle position sensor, header height sensor, controller and display screen, walking handle position sensor is used to detect the position of walking handle, steering handle position sensor is used to detect the position of steering handle, header height sensor is used to detect header height, display screen is used to show handle current position, header current height and calibration data, controller is connected with display screen communication by CAN bus, controller is used to receive calibration data sent by display screen and save.The utility model does not need to mark the control strategy respectively, this calibration method is flexible and convenient, time-consuming is short, and the operating technical quality requirement of driver is low, improves agricultural machinery operating efficiency, compared with original operation, it is more convenient, low in cost, changes little, and high in efficiency.

The invention provides a link tracking method and device for a railway comprehensive video monitoring system, and belongs to the technical field of computers, and the method comprises the steps: sending an extension session initial protocol request to a video node; the extension session initial protocol request comprises a tracking request code and system code information of a tracking data acquisition system; receiving first routing information of the video node; the first routing information is sent by the video node after the video node analyzes the extension session initial protocol request to obtain the tracking request code and the system code information. According to the invention, the system coding information and the tracking request coding are added in the SIP request by the added tracking data acquisition system, the extended SIP request is formed and sent to the video node, and the video node responds to the extended SIP request and feeds back the routing information, so that the tracking data acquisition system can perform link tracking based on the routing information without capturing and analyzing a network packet; therefore, rapid link tracking among different levels of video platforms of different manufacturers in the railway comprehensive video monitoring system can be realized.

The application provides a method, device and computer readable storage medium for optical detection, which can improve the accuracy of detecting a to-be-detected object according to photoelectric information. The method is applied to an optical detection system and comprises the following steps: receiving at least two light spot signals; wherein the at least two light spot signals are signals generated by reflection of at least two original light signals emitted by the optical detection system on a to-be-detected object; performing feature comparison processing on the at least two light spot signals to obtain a processing result; and outputting photoelectric information according to the processing result and a threshold value.

The application relates to a data compression circuit and method suitable for a single photon avalanche diode array, wherein the circuit comprises: a pixel array, which has M rows and N columns of pixels in common; a multi-stage compression circuit, which comprises a plurality of compression buffer circuits connected in sequence, each stage of the compression buffer circuits comprises a plurality of first storage areas for storing TDC data, and address bits for storing positions of the TDC data corresponding to the pixels in the pixel array, the multi-stage compression circuit reads the TDC data of the pixel array row by row, and outputs the multi-stage compressed data to a subsequent circuit. Compared with the prior art, the application greatly compresses the pixel data in digital form, reduces the data transmission amount, solves the data transmission bottleneck problem of a large-scale array, and provides key technical support for a high-performance single photon detection system.

This application relates to the field of clothing processing technology, providing a base, clothing processing equipment, and a cleaning system. The base includes a pedestal and a water inlet assembly. The pedestal includes a cleaning section and a sweeper cavity. The cleaning section is used to clean the cleaning components of the sweeper. The water inlet assembly includes a main water inlet channel, and further includes a first water inlet branch and / or a second water inlet branch connected to the main water inlet channel. The main water inlet channel is connected to a tap water supply channel. The first water inlet branch is connected to the cleaning section, and the second water inlet branch is connected to the sweeper's liquid container. At least one of the cleaning section and the liquid container is supplied with tap water by the main water inlet channel.

The utility model discloses a sensor acquisition circuit with a fault self-diagnosis function, a sensor and an instrument. The sensor acquisition circuit comprises a sensor signal input end, a signal conditioning circuit module and a diagnosis control module, the sensor is an electrochemical sensor with two electrodes, and the signal input end of the sensor comprises a working electrode signal end and a counter electrode signal end; the signal conditioning circuit module is used for carrying out reverse-phase amplification conditioning on the obtained sensor signal; the diagnosis control module comprises a control circuit, a first end of the control circuit is connected with a counter electrode signal end of the sensor, a second end of the control circuit is connected with an in-phase input end of the signal conditioning circuit module, a resistor R14 with a large resistance value is connected in series between the first end and the second end, and the diagnosis control module further comprises a control signal IO1 which is connected with a third end of the control circuit; on-off between the first end and the second end of the control circuit is controlled by controlling high and low levels of a signal IO1, so that the signal conditioning circuit module is switched from a normal working state to a fault self-checking state. And potential safety hazards caused by short-circuit and open-circuit faults of the sensor can be reduced.

The application provides a non-volatile semiconductor memory array and a method for in-memory logic operation. In the array, a row of memory cells shares a word line, a column of memory cells shares a bit line and a storage gate lead, the source terminals of every two columns of memory cells are interconnected and connected to the same source lead CSL, and the end of each CSL is provided with a sensitive amplifier SA controlled by an enabling signal. One of the memory cells in every two columns has a substrate split, or the cell is replaced by a DCC cell. The method includes pre-writing, pre-charging, charging and discharging estimation, and judgment and result writing. The input and output are the storage states of different memory cells. The charging and discharging of the parasitic capacitor on the source lead when the memory cell is opened are detected as the input, and the SA is used to make a logic judgment and complete the writing. In one operation, any two-input logic except XOR and XNOR can be realized, and the logic result can be directly used as a logic input to realize cascading. The logic operation has many types, few steps, low difficulty and high efficiency.

The present application relates to the technical field of glass production, and provides a mixing method for improving the temperature of glass production mixture, which is applied to a mixer with a stirring cavity and comprises the following steps: S1, starting the mixer to sequentially perform dry mixing and wet mixing on glass raw materials; S2, when entering the wet mixing stage, a steam supply unit is opened, so that high-temperature steam starts to be introduced into the stirring cavity of the mixer; and during the whole duration of the wet mixing stage, the steam supply unit is kept in an opened state; S3, when the wet mixing stage reaches a preset duration of the system, the steam supply unit is closed, and the introduction of high-temperature steam is stopped; and when the wet mixing stage ends, the temperature of the material is improved from an initial value to not less than a preset target temperature, thereby effectively solving the problem that the mixing temperature is substandard in a low-temperature environment. The present application also provides a mixing system for realizing the method, which can significantly improve the mixing uniformity and reaction activity, and has the advantages of precise temperature control, energy saving and high efficiency.

The utility model relates to the technical field of pile -board wall, disclose a kind of pile -board wall vertical unbonded prestressed structure, including soil block, the inner bottom surface of soil block is provided with multiple piles, the inside of pile is provided with multiple prestressed mechanism, and the prestressed mechanism includes tensioning end positioning groove, fixed end positioning groove and unbonded steel bar, the inner wall of tensioning end positioning groove and fixed end positioning groove is all fixedly connected with bottom plate, the outer wall of bottom plate near pile one side is fixedly connected with multiple spiral rib, the inner wall of bottom plate near pile one side is provided with anchoring cross plate. In the utility model, the pre-embedded design of the prestressed steel bar of the pile -board wall simplifies the construction process, reduces the modification to the existing process, reduces the construction complexity, thereby speeds up the construction progress, and the application of unbonded steel bar makes the design and construction more flexible, can adapt to different geology and environmental conditions, and is more suitable for various engineering projects.