174results about How to "Simple logic" patented technology

The invention discloses a data backup recovery method and device based on data merging, and the method comprises the steps: obtaining a first data snapshot of initial full backup data; the first data snapshot is mounted to a local database, so that the initial full-amount backup data is backed up in the local database in a full-amount mode; when incremental backup data is obtained, merging the incremental backup data to the first data snapshot to obtain a second data snapshot; uninstalling a mounting point of the local database, and backing up the synthesized total backup data corresponding to the second data snapshot in the local database; and when a data recovery instruction is obtained, recovering data from the local database based on the data recovery instruction to obtain target recovery data. According to the method and the device, relatively high backup efficiency and relatively low recovery complexity can be realized at the same time.

The invention relates to wire harness welding equipment, and belongs to the technical field of wire harness machining, the wire harness welding equipment comprises a workbench, the workbench is provided with a feeding assembly, a correcting assembly, a cutting assembly, a receiving assembly, a grabbing assembly, a spot welding assembly and a wire conveying assembly, the workbench is provided with a control assembly, and the control assembly is connected with a first mounting plate; a first finger cylinder, a second finger cylinder and a third finger cylinder are mounted on the first mounting plate; the feeding assembly, the correcting assembly and the cutting assembly are arranged side by side, the receiving assembly can move to be parallel to the cutting assembly, the control assembly can drive a first mounting plate to transversely move in a reciprocating mode in the side-by-side direction of the feeding assembly, the correcting assembly and the cutting assembly and control the first mounting plate to ascend and descend, and the receiving assembly can move to the grabbing assembly. The grabbing assembly can grab welding materials on the material receiving assembly to the spot welding assembly, and the wire conveying assembly is used for conveying wire harnesses to the spot welding assembly. The multi-task parallel processing device has the effects that multi-task parallel processing can be conducted on the welding materials in the machining and transferring process, and the machining efficiency is improved.

The invention discloses a current saturation algorithm-based converter control mode switching method and system, and the method comprises the steps: building an outer loop voltage control equation of a fault-free network-building converter, and defining that the converter operates in a constant voltage mode; current limitation of a device under the fault is considered, a dq-axis current reference value under the fault is generated based on a current saturation algorithm, and a current converter is defined to operate in a current limiting mode; after a fault occurs in the constant voltage mode, whether the current amplitude of the converter exceeds the saturation current amplitude which can be borne by the device at the fault moment is judged, and the converter enters the current limiting mode from the constant voltage mode to operate; in the current limiting mode, when a difference value between an actual value and a reference value of active power output by the converter is smaller than a given value, exiting the current limiting mode, and entering a constant voltage mode for operation; and finally, on the basis of a switching rule of the converter between the CVC mode and the CLC mode, obtaining a switching model after the network-forming converter suffers from a fault. According to the invention, automatic switching can be realized to avoid the device overcurrent problem, and the logic is simple and effective.

The invention belongs to the field of battery health state monitoring, and discloses a lithium battery multi-threshold active and passive equalization control method and system.According to the method, by collecting current, voltage and SOC data of a lithium battery in real time and combining a multi-threshold judgment mechanism, the dynamic change of a battery pack can be reflected more accurately, equalization operation is triggered in time, and the equalization efficiency is improved. The problem of over-equalization or under-equalization possibly caused by a single-threshold strategy is effectively avoided; meanwhile, the intelligent screening of the active equalization strategy and the passive equalization strategy further improves the equalization efficiency and effect, and ensures that the voltage difference and the SOC difference between the single batteries in the battery pack are kept in a reasonable range, thereby prolonging the service life of the battery pack, improving the overall performance, and reducing the potential safety hazard. The method can provide powerful guarantee for stable operation of the energy storage system.

The invention discloses a modeling method of a point-by-point weighted mixed proxy model based on mixed measurement. The modeling method comprises the following steps: extracting a training sample; four sub-agent models are constructed, and hyper-parameter optimization is carried out; determining a local reference model and a global reference model of each sample point according to the LOO cross validation error and the GMSE error, and determining a global weight coefficient; determining the sample density; estimating local precision; determining a local weight coefficient; obtaining a local error measure-based preliminary mixed agent model; and obtaining a point-by-point weighted mixed proxy model based on the mixed measure. According to the method provided by the invention, each prediction point should be predicted by the corresponding local sub-agent model with the optimal prediction capability as far as possible, the local fitting precision is further improved, and meanwhile, through remixing with the global reference model with the optimal global fitting precision, the local fitting precision is further improved. And the global fitting precision of the pointwise weighted mixed agent model is further improved.

A rotating machine rotating speed self-adaptive estimation method based on harmonic energy and a maximum proportion criterion comprises the steps that firstly, multi-channel vibration signals are obtained through sampling, a channel signal with the maximum effective value is obtained to serve as a target signal for rotating speed estimation, and the target signal is pre-processed in a self-adaptive mode according to the signal type; secondly, Fourier transform is carried out on the preprocessed signals, a maximum value method is adopted to search for main spectrum peaks and frequency positions of the main spectrum peaks in an amplitude spectrum, and harmonic energy and proportions of all frequencies are calculated; and finally, searching the frequency corresponding to the maximum harmonic energy and proportion, performing frequency correction to obtain an accurate rotating frequency, and performing conversion calculation to obtain the rotating speed. The method effectively overcomes the defect that a traditional rotating speed estimation method is easily influenced by the power frequency amplitude, achieves accurate measurement of the steady-state rotating speed of equipment in a rotating speed sensor-free mode, can be suitable for displacement, speed, acceleration and other vibration sensors, and has the advantages of being simple in logic, wide in application range, high in estimation precision and the like.

The invention provides a distributed signal collection and transmission method and device based on an FPGA and an optical fiber, and relates to the technical field of signal collection, and the method comprises the steps: collecting a distributed communication signal based on the FPGA, and carrying out the AD sampling, and obtaining a digital communication signal; framing the digital communication signal based on the FPGA, and receiving a timing system signal sent by a timing system slave device; framing and packaging the digital communication signal by adopting a preset transmission protocol according to the timing signal based on the FPGA to obtain a data packet, and transmitting the data packet to a server through an optical fiber by adopting the preset transmission protocol; and receiving the data packet based on the server, and analyzing the data packet through the DPDK to obtain the data packet. According to the method, optical fibers are adopted to transmit timing signals at an acquisition equipment end, framing and timestamp adding are performed after AD sampling digitization, the signals are transmitted to a rear end through the optical fibers, a DPDK technology is adopted at the rear end for data receiving, and the method can be suitable for a large-aperture antenna array wide-area distributed system.

The invention provides a multi-master-control biplane real-time network control method and system and a computer readable storage medium, and the method comprises the steps: firstly, carrying out the priority configuration of master stations in a master station set to obtain a priority sequence, selecting one master station from the master station set as an initial active master station, taking the other master stations as standby master stations, and carrying out the priority configuration of the master stations in the master station set; the method comprises the following steps of: acquiring an initial active master station, judging whether the initial active master station is abnormal or not in real time, and selecting a standby master station as the active master station through a preset standby master station switching algorithm if the initial active master station is abnormal, so that the redundancy of the whole system is improved, and even if the master station goes wrong, the standby master station can be quickly connected to work; when the movable master station sends data, two paths of data are sent to the terminal connected with the double planes through the double planes, the data transmission redundancy of the aircraft is further improved due to the existence of the double planes, the data transmission stability is improved, and the stability of the aircraft is further improved.

The invention discloses an option configuration method of a basic input and output system, a product, equipment and a medium, and relates to the technical field of computers, and the option configuration method comprises the following steps: determining current cyclic redundancy check values of various configuration options of the basic input and output system in a current starting process, according to the comparison result of the cyclic redundancy check value in the previous starting process and the current cyclic redundancy check value, all updated configuration options are screened out from the configuration options; linkage configuration options are determined from the updated configuration options, and linked configuration options related to the linkage configuration options are determined from the configuration options; and sending the linkage configuration option and the related linked configuration option to a preset display interface for display, and reconfiguring the linked configuration option according to a target instruction returned by a preset interface in the preset display interface so as to continue to execute the current starting process of the basic input and output system. By means of the scheme, the cost needed by the basic input and output system for completing option configuration is reduced.

The invention provides a UWB-based inter-cluster unmanned aerial vehicle collision avoidance method and system and a storage medium, and belongs to the technical field of unmanned aerial vehicle collision avoidance, and the method comprises the steps: receiving UWB detection data, carrying out the filtering processing, and judging whether the UWB detection data is valid or not according to the change condition of the data of two frames before and after; based on the preprocessed UWB detection data, whether the distance between the cluster unmanned aerial vehicles is smaller than the critical area radius or the dangerous area radius or not is judged, and if the distance between the cluster unmanned aerial vehicles is smaller than the critical area radius or the dangerous area radius, a collision avoidance instruction is sent; after a collision avoidance instruction is received, whether the collision avoidance instruction is executed or not is selected according to the current task stage; after the corresponding collision avoidance strategy is completed according to the collision avoidance instruction, the distance between the cluster unmanned aerial vehicles is larger than the radius of the critical area, and the unmanned aerial vehicles return to the original route and the original flight speed. According to the invention, the accuracy, the real-time performance, the expandability, the energy efficiency and the use convenience of collision avoidance of the unmanned aerial vehicle cluster are improved.

The invention discloses a fractured-vuggy reservoir rock facies fine division method. The method comprises the steps that single well data of a to-be-measured area is acquired and preprocessed; carrying out depth homing on the required core physical property data; performing principal component analysis on the single well data to obtain dimension reduction and noise reduction fusion representation data; the data set is divided into a clustering data set and an inspection data set; carrying out optimal classification cluster selection on the clustering data set by adopting an elbow rule; classifying the data by adopting a fuzzy C-means improved clustering algorithm, and establishing an identification model of the fractured-vuggy reservoir rock facies; evaluating the identification model of the fractured-vuggy reservoir rock facies by adopting the contour coefficient; the identification model of the fractured-vuggy reservoir rock facies is inspected in combination with the inspection data set; outputting a test clustering result by using the test identification model of the fractured-vuggy reservoir rock facies, and performing sensitivity analysis by using a rank correlation matrix; and intersection is carried out by adopting the sensitive curves to obtain an identification chart of the fracture-vuggy reservoir rock facies.

The application discloses a software development package compiling method and device, and relates to the technical field of computers. A specific implementation of the method comprises the following steps: performing encapsulation based on a second programming language on a first type of module of any core component in a software development package, extracting a header file of the first type of module and a header file of a second type of module after the encapsulation to generate a common umbrella header file of the core component; and after compiling core component source code and upper layer component source code in the software development package into an executable file, processing the common umbrella header file of any core component in the software development package, so that the common umbrella header file only contains declaration content configured in advance for the core component. The implementation can effectively reduce the risk of core code leakage.

The invention relates to the technical field of network space security, in particular to a mimicry defense method, system and device based on a lightweight architecture, a medium and a product, and the method comprises the steps: obtaining an input data message; service processing is carried out on the data message through the first execution body in the online state to obtain a first result, the first result is transmitted to the second execution body in the silent state, and the second execution body and the outside are in an isolated state; calling a second executor to perform service processing on the obtained data message to obtain a second result; judging whether the first result is consistent with the second result or not through a second executor, and if not, determining that the judgment result is the second result; otherwise, determining that the judgment result is any one of the first result and the second result; outputting a judgment result through the second execution body; by deploying the two execution body modules, the system processing flow is reduced, the occupation of system resources is reduced, the logic is simple, and the processing efficiency of the system is improved.

The invention discloses an LDI lens perpendicularity adjusting system and method. The system comprises an adjusting module, a controller, a lens bearing plate, a workpiece table and a displacement sensor. The lens bearing plate and the adjusting module are provided with aligned through holes, the LDI lens is fixed in the through holes, the displacement sensor is located on the LDI lens, and the controller is electrically connected with the displacement sensor, the workpiece table and the adjusting module. Controlling the workpiece table to move among a plurality of preset position points; the displacement sensor determines the height from the lens to the workpiece table when the workpiece table is located at each preset position point; the controller receives the heights of the LDI lenses and determines the inclination angle and the inclination direction of the plane where each preset position point is located relative to the horizontal plane; and controlling an adjusting module to adjust the position of the lens according to the inclination angle and the inclination direction, so that the inclination angle is within a preset angle error range. By using the system, detection and accurate adjustment of the verticality of the LDI lens are realized.

The invention provides a helicopter inward-opening type hinge cabin door control device and a state indication method, solves the problem of low reliability caused by multiple sensors, multiple signals and complex logic of a cabin door with a multi-position locking function at present, and is particularly suitable for a large-size inward-opening type hinge cabin door of a general helicopter. Reliable position locking and state indication of the cabin door can be realized only through monitoring of the passive locking mechanism and the micro switch of the passive locking mechanism and by adopting a system architecture of signal acquisition logic processing state indication, and an active locking mechanism and an additional position sensor do not need to be adopted, so that the cabin door control system is simple, fewer in signal, simple in logic and high in reliability. The cabin door state display information is concise, visual and comprehensive, the cabin door control efficiency and the state indication reliability are higher, and various task requirements of using the cabin door on the ground / in the air can be met.

The invention discloses a method for realizing excel batch import interfaces by means of a temporary table, and relates to the technical field of data processing and databases. Comprising the steps that 1, before data importing is started, a temporary table is created in a database, uuid and number fields are added to the structure of the temporary table on the basis of a target data table, the batches of importing operation are distinguished through the uuid fields, and the line number of imported data in the table is recorded through the number fields; 2, inserting to-be-imported data into the temporary table in batches; 3, performing batch verification on the data in the temporary table by using an SQL (Structured Query Language) statement; 4, importing the successfully verified data meeting an importing condition into a target table in batches; 5, generating a failure table excel from the data which fails in verification, and outputting the failure table excel; and step 6, after data import is completed, clearing the temporary table: performing unified deletion of the data according to a uuid sequence generated when the batch of data is inserted into the temporary table.

The utility model relates to the technical field of power supply control, in particular to a pump power supply control circuit for high-side driving. The circuit comprises a pump power supply controller which is used for generating a driving control signal and adjusting the driving control signal according to an error signal; the driving module is used for receiving a driving control signal; the power conversion unit is configured to boost a direct current input voltage into a pump voltage under the control of the driving module according to the driving control signal; the feedback sampling circuit is used for sampling the pump voltage and generating an error signal; the isolation feedback device is used for transmitting the error signal to the pump power supply controller in a potential isolation mode; the pump power supply controller takes the cathode of the DC input power supply as the reference ground, and the pump voltage takes the anode of the DC input power supply as the reference standard. The scheme is suitable for high-side driving application, is a pump power supply control scheme which is novel in structure, stable in performance, flexible in control and controllable in cost, and has good popularization and application prospects.

This invention discloses an adaptive temperature control method based on motion state perception, comprising the following steps: Step 1, the motion sensing module senses the user's motion intensity and transmits the motion intensity data to the main control module; Step 2, the main control module determines the motion intensity level based on the motion intensity data, matches a target heating level based on the motion intensity level, and sends a target heating level command to the heating module; Step 3, the heating module adjusts the temperature to the target temperature range according to the target heating level command. An adaptive temperature control system based on motion state perception is also disclosed, comprising a motion sensing module, a main control module, and a heating module; the temperature control system of this invention can automatically match the heating level temperature according to the motion intensity, so that the user does not need to manually adjust the temperature during exercise.

The invention discloses a thickened oil reservoir fluid property identification method based on formation resistivity correction, and relates to the technical field of reservoir fluid identification, and the method comprises the following steps: obtaining a crude oil viscosity characterization index TPI; performing rock physical experiment oil analysis on the well core to obtain crude oil viscosity mu0 and crude oil density rho0 of a test oil layer; based on the crude oil viscosity characterization index TPI and the crude oil viscosity, establishing a TPI-viscosity relation model; establishing a viscosity and resistivity relation model; determining a resistivity correction coefficient; based on the correction coefficient L, the formation resistivity is determined, and the porosity resistivity chart is updated. According to the method, on the basis of conventional logging information, the logging curve data, geochemical pyrolysis parameters, rock physical experiments and oil testing input and production data are combined, the influence of the physical properties of the thickened oil on the resistivity is researched, the precision of recognizing the thickened oil layer through the resistivity-porosity intersection chart is effectively improved, the technical problem that the thickened oil reservoir is difficult to recognize is solved, and the method is suitable for popularization and application. And the interpretation coincidence rate of the region is improved in actual production application.

The application discloses a polarization anomaly information extraction method based on resistivity inversion results, and comprises the following steps: introducing a Cole-Cole model into controllable source one-dimensional forward calculation, and deriving one-dimensional frequency domain forward calculation formula containing induced polarization effect; simulating frequency domain electromagnetic field response under the condition of layered induced polarization medium, and analyzing the influence of induced polarization parameters in the Cole-Cole model on the electromagnetic field response; adopting a step-by-step processing strategy to carry out inversion processing on the electrical property parameters of the measured electromagnetic field data, so as to obtain geoelectric section resistivity data; and adopting mapping imaging and sensitive optimal layer recursive imaging to extract the geoelectric section resistivity data, so as to obtain induced polarization anomaly information contained in the electromagnetic field response. Through the above scheme, the application has the advantages of simple logic, accuracy and reliability, and has high practical value and popularization value in the field of geophysical exploration technology.

The invention provides a generator set controller historical record reading method and device and electronic equipment, and the method comprises the steps that a generator set controller distributes MODBUS addresses for historical record data, and the MODBUS addresses comprise the total number address, the currently read address and the historical record data content address; the upper computer reads the total piece number address through the MODBUS protocol and records the total piece number of the historical record data; the upper computer writes a serial number of the to-be-read address into the to-be-read address through the MODBUS protocol, wherein the serial number is a natural number between 1 and the total number of the to-be-read address; the generator set controller updates the data content corresponding to the serial number in the historical record to the historical record data content address according to the serial number written by the upper computer; the upper computer reads the updated historical record data content address through the MODBUS protocol and records the updated historical record data content; and continuing to read the next historical record, and repeatedly writing the sequence number and the following steps. The universality is high, and the maintenance cost is low.

The invention provides a coding device, a decoding device, a coding method and a decoding method. The coding device comprises a pre-interleaving module, a symbol distribution module, N RSFEC coding modules and a symbol interleaving module, the pre-interleaving module performs a first interleaving operation on an alignment sequence in a received sending data stream, so that an original bit sequence of the alignment sequence taking a symbol as granularity is changed; the symbol distribution module distributes the sending data stream after the first interleaving operation to N RSFEC coding modules; each RSFEC coding module carries out RSFEC coding on the received transmission data stream, and N RSFEC coding modules carry out coding to obtain N paths of transmission coding data streams; the symbol interleaving module performs second interleaving operation on the N paths of sending coding data streams to obtain N paths of sending channel data streams, and each path of sending channel data stream is sent to one of N physical channels; after the second interleaving operation, the disorganized original bit order of the alignment sequence is recovered.

A resource allocation method and device based on bitmap precalculation, the method comprising: generating a global resource state bitmap according to CORESET configuration in a PDCCH, precalculating a candidate pre-allocation bitmap set for each possible candidate PDCCH; extracting a corresponding pre-allocation bitmap from the candidate pre-allocation bitmap set as a candidate set bitmap; comparing the candidate set bitmap with the global resource state bitmap to determine whether the resources conflict, if the resources do not conflict, the resources are available, and then the resources are occupied. The present application transfers the complex function calculation at the scheduling time to the precalculation in the initialization stage, only needs simple bitmap retrieval and bit operation at the scheduling time, greatly shortens the PDCCH resource allocation time consumption, replaces the real-time intensive calculation by pre-storing the bitmap, significantly reduces the CPU load, focuses the processor on the core scheduling algorithm, reduces the resource redundancy consumption, and effectively improves the overall capacity and energy utilization efficiency of the communication system.

The invention provides a conductive cable impedance single-end detection method based on current source excitation. The conductive cable impedance single-end detection method is suitable for detecting resistance and self-inductance of conductive cables of any material, length and diameter. According to the method, a conductive cable is divided into two bundles (such as a twisted pair application scene), a current source type excitation signal is injected into the near end of the cable, the voltage of the near end of the cable and the magnitude of current of the cable are detected, and the resistance and self-inductance parameters of the cable can be obtained. The method can accurately obtain the cable resistance and the self-inductance value without adding an auxiliary element at the load end, is simple in logic and easy to implement, and can be applied to any power supply system.

The present application belongs to the technical field of energy storage system, and particularly relates to an energy storage system and a negative sequence current phase-to-phase SOC equalization control device and method. The energy storage system of the present application is a high-voltage energy storage system. First, the three-phase SOC deviation values of the energy storage system are compared to determine the maximum deviation. When the absolute value of the deviation value of the maximum deviation is less than or equal to a set dead zone value, the negative sequence current given value is set to 0. When the absolute value of the deviation value of the maximum deviation is greater than the set dead zone value, the initial phase of the corresponding negative sequence current is set according to different conditions of the three-phase SOC deviation. Then, the d-axis and q-axis component given values of the negative sequence current are obtained according to the initial phase and the set current ratio. The negative sequence control component is obtained through d-axis and q-axis decoupling control, and is added to the obtained positive sequence control component to obtain the modulation wave of the converter in the energy storage system, so as to realize phase-to-phase SOC equalization. This scheme solves the problem of phase-to-phase SOC equalization control of the negative sequence current of the energy storage system through a software strategy with small calculation amount and clear logic.

The invention provides a de-emphasis device, a de-emphasis method and a core particle integration system, and the de-emphasis device comprises a main tap data logic module which forms main tap data according to data to be transmitted; the balanced tap data logic module forms balanced tap data according to the data to be transmitted, the balanced tap data and the main tap data are opposite in phase, and a unit interval exists between the balanced tap data and the main tap data; the driving switch logic module is used for generating a driving switch signal according to the main tap data and the balanced tap data, and the driving switch signal is valid when the tap data and the balanced tap data are the same and is invalid when the tap data and the balanced tap data are opposite; a main tap driving stage which is enabled and driven by the main tap data; and the equalization driving stage is driven by the equalization tap data and is enabled or closed under the control of the driving switch signal. According to the de-emphasis device, the de-emphasis method and the chip integration system provided by the invention, the power consumption of the transmitter can be saved.

The invention discloses a self-adaptive multi-channel temperature acquisition system and method, the system comprises a microprocessor and a plurality of signal acquisition circuits which are connected with the microprocessor and have the same structure, and each signal acquisition circuit comprises a self-adaptive circuit, a conditioning circuit and an ADC chip which are connected in sequence. Each module can complete corresponding signal conditioning, acquisition and processing, so that the maintenance cost is reduced, and the maintainability and supportability of the system are improved; the design complexity of the engine signal acquisition system is reduced, and the reliability is improved; and the identification of the platinum resistor and the thermocouple is judged according to the acquisition result when the excitation current is switched on and switched off. The identification of different platinum resistor types is determined through an acquisition result when excitation current is output, the identified temperature sensor type result is set in an internal register, different temperature sensor types are represented through different bits, and multiple paths of temperature sensors can be determined at the same time.

The invention relates to the field of wastewater discharge, in particular to an automatic acid and alkali adding neutralization method and device for a wastewater neutralization pool. The method comprises the following steps: S1, putting an accumulated acid adding statistic module and an accumulated alkali adding statistic module, and carrying out zero clearing on the two modules; s2, putting into an automatic neutralization module, and automatically calculating the volume amount of added acid or alkali required by neutralization; s3, an automatic neutralization module performs correction on the basis of the calculated volume of the added acid or alkali to obtain an actual addition value of the acid liquor or the alkali liquor; s4, controlling the liquid outlet amount of the acid liquid or the alkali liquid by an automatic neutralization module, and neutralizing the waste liquid in the neutralization tank; s5, after the neutralization tank continues to circulate for half an hour, if the pH value is not qualified, returning to the step S2, and repeating the operations of the steps S2 to S4 by the automatic neutralization module; if the pH value is qualified, the neutralization operation is completed. Accurate acid adding and alkali adding can be achieved according to the water amount and the pH value of the neutralization pool, the situation of excessive acid adding and alkali adding is effectively avoided, and rapid acid-alkali neutralization of the wastewater neutralization pool is achieved.

The invention provides an intelligent airfoil profile and a rotor wing, the intelligent airfoil profile comprises an I-shaped pipe 6, a U-shaped pipe 5, a cross beam 7, a flexible skin 4 and a fuel oil medium 9, the cross beam 7 is located in the middle of the whole airfoil profile, and the center of the cross beam 7 is matched with the gravity center of the whole airfoil profile; the flexible skin 4 is arranged on the outer contour of the whole intelligent airfoil; the wing-shaped space inside the flexible skin 4 and the first-layer concave pipe 5 on the flexible skin 4 and outside the cross-shaped beam 7 and the first-layer concave pipe 5 on the cross-shaped beam 7 is filled with the I-shaped pipe 6 in a combined mode, and the gap space outside the I-shaped pipe 6 is filled with the fuel oil medium 9; the I-shaped pipe 6 comprises an I-shaped beam 1 and two flexible half pipes 2; the N I-shaped pipes form three combination types, namely a crisscross uniform distribution combination 8, a longitudinal arrangement combination 10 and a transverse arrangement combination 11; the concave pipe 5 comprises a concave beam 3 and a flexible half pipe 2; the flexible half pipes of the I-shaped pipe and the U-shaped pipe are filled with fuel oil media. The flexible half pipe 2 comprises an arc-shaped edge and a right-angle edge.

The invention discloses a stable glue supply system and method for a dispensing valve. The system comprises a first PLC, a second PLC, a first PLC input, a second PLC input, a glue barrel, a glue supply pump, a galvanometer, an overflow valve, a belt feedback pressure gauge, a fixed differential pressure reducing valve, an adjustable throttling valve, the dispensing valve, a dispensing valve glue outlet, a two-position four-way electromagnetic valve, a glue valve fluid cavity, a piston, a valve rod and a valve nozzle. The output pressure of the glue supply pump is represented as PO, the set pressure of the overflow valve is represented as P00, the pressure detected by the belt feedback pressure gauge and the input pressure of the fixed differential pressure reducing valve are represented as P1, the pressure of the fixed differential pressure reducing valve after the P1 is reduced is represented as Pm, and the pressure of the rear end of the adjustable throttle valve is represented as Pn, the stable glue supply system and method for the glue dispensing valve are suitable for the glue dispensing industry, and the pain point of unstable glue supply flow in the glue dispensing industry is solved; the dispensing flow stability is good, the structure is simple, PLC logic is simple, and debugging is easy.