92results about How to "Reduce lag" patented technology

The invention provides a front end assembly, an endoscope and an endoscope hydraulic control system, and belongs to the technical field of endoscopes. The front end assembly comprises a front end base, a camera module and a pressure measuring mechanism, the camera module and the pressure measuring mechanism are both installed on the front end base, the pressure measuring mechanism comprises a piezochromic layer, the piezochromic layer is located at the circumferential position of the camera module, the piezochromic layer is made of a piezochromic material, and at least part of the piezochromic layer is located in an image acquisition area of the camera module. The front end seat is provided with the pressure measuring mechanism, and the pressure measuring mechanism is used for detecting the pressure around the front end assembly, so that the accuracy of pressure adjustment in a body cavity is improved, the hysteresis of pressure adjustment in the body cavity is reduced, the amplitude of pressure fluctuation in the body cavity is reduced, and the surgical risk is reduced; the pressure information in the body cavity is judged by observing the color information of the piezochromic layer in the image information collected by the camera module, an operator can adjust the pressure in the body cavity in time, and the overall operation is simple and convenient.

The invention provides a front end assembly, an endoscope and an endoscope hydraulic control system, and belongs to the technical field of endoscopes. Comprising a front end base, a camera module and a pressure measuring mechanism, the camera module and the pressure measuring mechanism are both installed on the front end base, and the pressure measuring mechanism comprises a pressure measuring piece; the pressure measuring piece is movably arranged on the front end seat, the pressure measuring piece has a storage state and a working state, the pressure measuring piece is located in the front end seat under the condition that the pressure measuring piece is in the storage state, and at least part of the pressure measuring piece protrudes out of the far end face of the front end seat under the condition that the pressure measuring piece is in the working state; at least part of the pressure measuring piece is located in an image acquisition area of the camera module, and the pressure measuring piece can be driven by the pressure of the working environment corresponding to the front end assembly to move towards the interior of the front end base. The pressure measuring mechanism is arranged on the front end seat, and pressure change is detected by the pressure measuring mechanism, so that the accuracy of pressure regulation in a body cavity is improved, the hysteresis of pressure regulation in the body cavity is reduced, and the surgical risk is reduced.

The invention discloses a communication method and device, electronic equipment and a readable storage medium, and belongs to the technical field of communication. The method comprises the following steps: under the condition that a voice call is carried out between first electronic equipment and second electronic equipment through a first communication link, the first electronic equipment acquires first information, the first information comprises at least one of the following items: network state information of the first electronic equipment, environment information of an environment where the first electronic equipment is located, and a motion state of the first electronic equipment; the first electronic equipment establishes a second communication link with the second electronic equipment based on the first information; and the first electronic equipment performs voice communication with the second electronic equipment through the second communication link or the first communication link and the second communication link.

The invention provides an integrated circuit packaging structure for multi-chip packaging, and relates to the technical field of chip packaging, the integrated circuit packaging structure comprises a packaging box, a plurality of chip mounting grooves are formed in one side of the packaging box in a penetrating manner and are arranged at intervals, pin mounting grooves are formed in the two sides of the interior of the bottom of each chip mounting groove, and filling sheets are arranged in the pin mounting grooves; the pin mounting groove can be filled with the filling sheet, the top surface of the filling sheet is flush with the inner wall of the bottom of the chip mounting groove, the inner walls of the two sides of the chip mounting groove are provided with storage grooves, and the filling sheet can be stored in the storage grooves; and a pressing strip is mounted in the storage groove. According to the integrated circuit packaging structure for multi-chip packaging provided by the invention, the packaging box, the filling sheet, the pressing strip, the cooling fins and the adjusting structure are arranged, so that disassembly of the chips is ensured, the situation of jamming in the disassembly and assembly process is reduced, pressing of the pins and installation of the cooling fins can be completed at the same time, the procedures of installation and disassembly are reduced, and the production efficiency is improved. Working efficiency is improved, and operation is simple and convenient.

The invention relates to the technical field of monocrystalline silicon processing, particularly provides a preparation method of monocrystalline silicon, and aims to solve the problem that the crystal quality is influenced by crystal distortion in the existing monocrystalline silicon preparation process. In order to achieve the purpose, the preparation method of the monocrystalline silicon comprises the steps that in the first stage of equal-diameter growth of the monocrystalline silicon, the crystal pulling speed is controlled to be gradually increased to the preset pulling speed, and the liquid opening distance is controlled to be gradually reduced to the preset distance; and in the second stage of equal-diameter growth of the monocrystalline silicon, controlling the crystal pulling speed to maintain the preset pulling speed, and controlling the liquid opening distance to maintain the preset distance. According to the method, the two technological parameters of the liquid opening distance and the crystal pulling speed in the monocrystalline silicon growth process are adjusted in advance, the temperature consistency of the area nearby the molten silicon liquid level can be improved, a stable thermal field is formed at the junction of the crystal and the silicon solution, and therefore the distortion proportion of the crystal can be reduced, and the crystal forming quality is improved.

The invention discloses a photovoltaic power generation intelligent adaptive control system for power grid flexibility demand response, and the system comprises a data collection module which is used for collecting power grid power characteristic data of n power utilization regions in unit time and time characteristic data of the next unit time; the first analysis module is used for inputting the nth power grid power characteristic data into a pre-trained power prediction model to obtain an active power interval of the nth power utilization area in the next unit time; the second analysis module is used for determining a reactive power support interval of the nth power utilization area in the next unit time according to the active power interval, the load type and the time characteristic data of the next unit time; the stability and smoothness of the power supply voltage of the nth power utilization area in the next unit time are guaranteed, so that the power supply reliability of a power grid system is guaranteed, and the risk of power supply interruption caused by violent voltage fluctuation is reduced.

The invention relates to a regulation and control method and system for mine fireproof doors, a terminal and a medium, and belongs to the technical field of mine fireproofing. The regulation and control method comprises the steps that sensing data sent by sensors around each fireproof door are received; according to the multiple sets of sensing data, whether a fire occurs in the mine or not is judged; if yes, determining a target fireproof door according to the fire spreading area; acquiring personnel position information of workers around the target fireproof door; based on the personnel position information, whether a worker is on a fire spreading path and is located between the target fireproof door and a fire spreading boundary is judged; if yes, the closing degree of the target fireproof door is controlled according to the spreading speed of the fire; if not, the closing degree of the target fireproof door is controlled according to the fire behavior of the fire. The intelligent monitoring management system has the beneficial effect that intelligent monitoring management of the fireproof door can be conveniently realized according to the field environment.

The invention relates to the technical field of intelligent breeding, in particular to an indoor environment temperature adjusting method and system for modern livestock breeding. The method comprises the steps that temperature data and humidity data of the livestock breeding indoor environment and outdoor temperature data are collected; the predicted value of the indoor temperature is corrected according to the correlation between the indoor temperature and the outdoor temperature and the indoor humidity, the difference between the numerical values and the predicted values of the outdoor temperature and the indoor humidity, and a predicted corrected value is obtained; acquiring a historical predicted value of the current moment according to comparison between the predicted values of the indoor temperature, the outdoor temperature and the indoor humidity in the history and the current moment; obtaining an indoor temperature prediction value according to the prediction correction value, the historical prediction value and the similarity among the three-dimensional data points; and PID control is carried out according to the indoor temperature predicted value so as to control the temperature. According to the invention, the finally obtained prediction result is closer to the real temperature change value.

The utility model relates to a mower and a steering mechanism. The mower comprises a frame, a seat, a header, a power mechanism, a battery pack and the steering mechanism, the steering mechanism comprises a pivot seat and a steering rod, shaft holes are formed in the pivot seat and the steering rod along a second axis, a rotating shaft jointly penetrates through the shaft holes of the pivot seat and the steering rod, and at least one end of the rotating shaft is provided with a nut to limit the rotating shaft to be located in the shaft holes of the pivot seat and the steering rod. The rotating shaft penetrates through a disc spring which enables the pivoting base and the steering rod to abut against each other. The disc spring is additionally arranged at the joint of the steering rod and the pivoting seat, and the disc spring is small in axial occupied volume and has the volume advantage of being convenient for space planning; meanwhile, a gap between the steering rod and the pivoting seat is eliminated due to the disc spring, so that the steering rod does not have idle stroke when being poked by a user to rotate back and forth, and the discomfort of damping sudden change caused by the idle stroke is not felt.

The invention discloses a multi-unmanned aerial vehicle cooperative search method based on dynamic region division and a multi-constraint virtual force field, and aims to solve the problems of low search efficiency, unbalanced load, difficulty in guaranteeing the motion safety of multiple unmanned aerial vehicles and the like in multi-unmanned aerial vehicle coverage search. Firstly, a task area, an unmanned aerial vehicle kinematics model and a sensor sensing model are constructed; then, dynamic region division is carried out based on a weighted Voronoi diagram, the search progress of the unmanned aerial vehicle, the responsibility region area and the obstacle distribution condition are comprehensively considered, and self-adaptive balancing of task loads is achieved; and selecting a target point based on a utility function, and finally designing a multi-constraint virtual force field control method consisting of target attraction, obstacle avoidance force, regional barrier force and exploration force, generating an expected speed meeting speed constraint and obstacle avoidance requirements, and realizing stable and efficient coverage search. The result shows that the multi-machine collaborative search efficiency can be effectively improved, and the method is suitable for disaster search, routing inspection monitoring, autonomous detection in a complex environment and other scenes.

The present application belongs to the field of computer technology, and specifically, relates to a cache capacity determination method, apparatus, Bluetooth playback device and storage medium. Among them, a cache capacity determination method is applied to a Bluetooth playback device, including: obtaining a target bit rate sent by a terminal device, the target bit rate being the bit rate for audio data transmission negotiated when the Bluetooth playback device is currently connected to the terminal device; obtaining a target bit rate level corresponding to the target bit rate; based on the target bit rate level, determining a target cache capacity, the target cache capacity being the cache capacity of audio data when the Bluetooth playback device is currently connected to the terminal device. The use of this application can improve the accuracy and efficiency of cache capacity determination while reducing test resource consumption.

The utility model provides a belt protection fireproof door, and relates to the technical field of fireproof doors, the belt protection fireproof door comprises a material passing device, a gate and an anti-sticking device, the gate is installed on the surface of the material passing device, the anti-sticking device is arranged on the surface of the material passing device, the anti-sticking device comprises a water storage tank, the water storage tank is arranged on the surface of the material passing device, and the anti-sticking device is arranged on the surface of the material passing device. A water inlet pipe is fixedly connected to one side of the material passing device and communicated with the water storage tank, a water adding hopper is fixedly connected to the surface of the water inlet pipe and communicated with the water inlet pipe, and a supporting frame is fixedly connected to the surface of the material passing device and fixedly connected with the surface of the water inlet pipe. According to the anti-sticking device, due to the fact that the anti-sticking device is arranged, the situation that materials of the belt adhere to the gate can be reduced, the situation that the fireproof door is stuck is reduced, the using convenience of the fireproof door is improved, and the attractiveness of the gate is improved.

The application relates to a file pre-reading method and device based on a network sharing directory and electronic equipment, and belongs to the technical field of network sharing. The method comprises the following steps: S1. A link prediction model is constructed, and the link prediction model comprises two embedding layers and a prediction output layer which are sequentially matched; S2. The two embedding layers of the link prediction model are parameter-optimized through expected reading information and actual reading information in a current state; S3. Embedding representation vectors corresponding to each shared file and carrying network structure information are respectively extracted through the optimized embedding layers; and S4. The embedding representation vectors are input into the prediction output layer, and pre-reading information in the current state is predicted through the prediction output layer. The embedding representation vectors integrated with file names and position relationships are extracted, and the access behavior of a user is learned online, so that files needing pre-reading are predicted, and the accuracy of cross-file pre-reading in network sharing is improved.

The invention relates to the technical field of punching devices, and discloses a curtain track profile punching device which comprises a machining table serving as a basic component of the whole device and used for assembling and bearing all treatment mechanisms and lower structural parts of the treatment mechanisms. The processing seat is arranged in the middle of the top end of the processing table, a discharging groove and a feeding groove are formed in the two sides of the interior of the processing seat correspondingly, and the adjacent ends of the discharging groove and the feeding groove communicate with each other and are used for conveying the raw materials and conducting subsequent processing treatment; the front end leveling mechanism is arranged on one side of the machining table. By adding and setting cleaning and shaping treatment, on the basis of completing multi-shaping flattening treatment, multiple cleaning treatment is carried out, impurities, dust, oil stains and the like on the surfaces of raw materials can be deeply removed, the purity of the raw materials is greatly improved, and in the subsequent shaping link, by means of matched use of corresponding internal channels and shaping wheels at the corresponding positions, the raw materials are not prone to falling off. And the curtain track profile is precisely molded, so that the precise size and regular appearance of the profile are guaranteed.

The utility model discloses a machining grinding head flexible floating mechanism which comprises a fixing plate, a connecting shaft and an elastic piece, the fixing plate is parallel to the grinding face of a grinding wheel on a grinding head, the connecting shaft is perpendicular to the fixing plate, the first end of the connecting shaft is fixedly connected to the grinding head, and the second end of the connecting shaft penetrates through the fixing plate and is connected with the fixing plate in a sliding mode. According to the flexible floating mechanism of the machining grinding head, the grinding head is installed on the fixing plate in the sliding mode through the connecting shaft, the elastic piece is arranged between the fixing plate and the grinding head, the grinding head can move relative to the fixing plate, and floating contact between a grinding wheel and a workpiece is achieved. The grinding head is prevented from being pressed too tightly in the grinding work, and the situation that the grinding wheel is stuck due to too large pressure is reduced.

The invention discloses an intelligent constant-pressure and stable-pressure method and system for whole-section water supply of a living house, and the method comprises the steps: firstly, carrying out constant-pressure and stable-pressure water supply on a municipal direct supply area through the pressure of a municipal water supply pipe; secondly, a secondary water supply pressure stabilizing device is used for meeting the constant-pressure and stable-pressure control requirement for the water supply pressure of the low area and the middle area; thirdly, the pressure value before a pressure reducing valve of a high-area end user is monitored in real time, the outlet pressure of pressurizing equipment is regulated and controlled in real time, and a passive regulation database is established; and finally, after the intelligent constant-pressure and pressure-stabilizing system carries out reinforcement learning on the basis of data of the passive adjustment database, a high-area active adjustment mode is formed, and calibration is carried out through passive adjustment. The strategy can be adaptively optimized, constant pressure and stable pressure of whole-section water supply are guaranteed, meanwhile, system energy consumption is reduced, and the technical problem of pressure hysteresis of a user side is effectively solved.

The invention discloses a road sweeper fluted disc meshing transmission front wheel with a nitrogen damping function, and relates to the technical field of vehicle engineering, the road sweeper fluted disc meshing transmission front wheel comprises a front fork weldment, deep groove ball bearings III are mounted on the two sides of the front fork weldment, and crank weldments are connected to the outer sides of the deep groove ball bearings III in a sleeving manner; nitrogen buffer shock-proof modules are installed at the bottom of the front fork weldment and the top of the crank weldment and used for reducing shock of the sweeper in the running process. The nitrogen buffer shock-proof module comprises spring seats installed at the bottom of the front fork weldment and the top of the crank weldment, and a nitrogen shock absorber is installed between the lower set of spring seats and the upper set of spring seats. Through the nitrogen buffering and shock-absorbing module, the problems that the vehicle is difficult to control and the sweeping operation quality is affected due to bumpy road surfaces can be solved, and the continuity and high efficiency of sweeping operation are guaranteed.

The utility model relates to paper strip technology field, concretely is a kind of paper strip reversing mechanism, including strip selector and reversing mechanism, and one end of strip selector is provided with reversing mechanism, and reversing mechanism includes reversing plate, reversing shaft, reversing wheel, jackscrew and internal hexagonal cylindrical head screw, and reversing plate is located the top end of reversing mechanism;The utility model is through three reversing wheel cover and corresponding installation reversing wheel one and reversing wheel two, respectively set up positive face and reverse paper strip slot structure such as falling strip position, when paper strip is selected and identified after being selected by strip selector, reversing wheel can accurately rotate to corresponding position, and when positive strip, paper strip can be quickly pushed into next process by following trend;When reverse strip, paper strip can be made to fall into reverse paper strip slot and turn over smoothly, cooperate with the pushing edge of reversing wheel two, ensure that paper strip completely slides down and enters next process, reduce the situation of jam, and then improve paper strip processing efficiency.

The application discloses a kind of multi-variable DC fault arc adaptive detection method based on similarity measure and transfer learning, to the system output current of different time period applies wavelet packet decomposition and coefficient reconstruction processing after extraction feature, and input to state identification model to carry out multi-period fault arc judgment, to current working condition through machine learning evaluation feature similarity measure value D and model output probability distribution P joint distribution mode, according to this, the extracted feature is distinguished into unidentifiable working condition type data and identifiable working condition type data, using field adaptive strategy to the simplest feature group of unidentifiable working condition type data carries out transfer learning, to update state identification model, to realize real-time accurate detection of DC fault arc under complex and variable working condition in this way.

The invention discloses a composite tire and a manufacturing method thereof. The method comprises surface pretreatment of a tire carcass, configuration of a tread treatment agent, and casting and molding the composite tire tread using a unique process. The method has the characteristics of simple manufacturing process and low cost. The manufactured composite tire has a series of outstanding advantages such as good elasticity, low rolling resistance, low fuel consumption, good tread wear resistance, etc., has high cost performance, and is easy to industrialize.

The utility model discloses an efficient integrated pretreatment system, which relates to the technical field of automatic temperature control devices and comprises a visible washing tank, a two-way needle valve is arranged at the bottom of the visible washing tank, a gas-liquid separator is communicated with the side surface of the visible washing tank, a pretreatment cabinet is arranged on the outer side of a pretreatment cabinet, and a gas-liquid separator is communicated with the gas-liquid separator. The side face of the gas-liquid separator is communicated with the membrane filter through the adjustable flow meter, the zero-point gas switching loop is arranged on the side face of the silica gel tank, by means of the pretreatment system, the replacement number of pressure reducing valves is reduced, the maintenance cost is saved, meanwhile, the liquid level is convenient to adjust through the visual water washing tank, the water washing effect is improved, and the water washing efficiency is improved. The pretreatment system is relatively high in desulfurization and sealing performance, the leakage rate of equipment is reduced, and meanwhile, the risk of pollution of a gas chamber of an online analyzer is reduced. Two paths of switchable desulfurization tanks are adopted, so that continuous and uninterrupted online measurement and online desulfurization agent replacement are realized.

The utility model relates to two mixed cylinder discharge technical field, concretely is a kind of two mixed cylinder discharge port scraper, including downcomer, push plate is movably arranged in downcomer, the surface of push plate is fixedly connected with lead screw, the inside slide connection of lead screw and downcomer, the side of downcomer is provided with driving device, auxiliary device driving device includes threaded ring, auxiliary device threaded ring is rotatably connected with the side of downcomer, auxiliary device lead screw is internally threadedly connected with threaded ring, the side of one of auxiliary device threaded ring is fixedly connected with driving wheel, the side of another auxiliary device threaded ring is fixedly connected with auxiliary wheel, chain is engagedly connected between auxiliary device driving wheel and auxiliary wheel. The utility model, by setting driving device, can effectively facilitate worker to discharge the inside of downcomer, avoid the time-consuming and laborious situation of worker when adjusting scraper, to reduce the labor intensity of worker.

The present invention provides a motor mounting structure and an air conditioner, comprising a motor bracket and a driving assembly, wherein the driving assembly is mounted on the motor bracket, wherein the motor bracket comprises a first mounting assembly and a second mounting assembly, wherein the first mounting assembly and the second mounting assembly are integrally formed, and wherein the driving assembly comprises a first motor and a second motor, wherein the first motor and the second motor are staggered. By fixing the motor for driving the inner air guide plate to operate and the motor for driving the wind sweeping blade to operate on the same motor bracket, space is saved and the structure is compact, and the two motors are staggered so that the connection between the driving assembly and the motor bracket and between the motor bracket and the base is more stable, the motor shaking is avoided, the reliability of the air conditioner operation is improved, and the service life is increased.

The invention belongs to the technical field of data processing, and particularly relates to a sulfur-containing sewage corrosion inhibitor effect evaluation method based on field data processing, and the method comprises the following steps: obtaining environmental physical quantity data of sulfur-containing sewage, and obtaining a corrosion deterioration index by combining reference parameters; acquiring an initial corrosion rate, and acquiring a net corrosion inhibition index in combination with the reference corrosion rate and the corrosion deterioration index; the dynamic environment fluctuation degree is obtained according to the historical corrosion deterioration index, and then the size of the self-adaptive sliding window is obtained; extracting a concentrated trend characteristic and a discrete distribution characteristic of the net corrosion inhibition index in the size interval of the self-adaptive sliding window to obtain a film forming stability coefficient; and comparing the film forming stability coefficient with a preset judgment threshold value, and outputting a corrosion inhibitor efficiency grade judgment result. According to the method, the real protection level of the agent under the complex working condition is objectively restored, so that the efficiency evaluation of the corrosion inhibitor is more accurate.

The present application relates to the technical field of informationization of oil exploration and development and digital processing of whole life cycle management of industrial assets, in particular to a whole life cycle operation and maintenance management system for an oil downhole transmitter, comprising: an asset data management module for building a whole life cycle data lake serving asset value analysis; a benchmark valuation modeling module for generating a theoretical asset value curve of the transmitter under the assumption of no environmental stress; a risk quantification correction module for outputting a risk-adjusted theoretical residual value; a management performance analysis module for calculating a management performance residual after stripping the influence of environmental risks; a decision and execution module for automatically generating differentiated management instructions for asset disposal, inventory strategy adjustment or supplier evaluation, and driving downstream enterprise resource planning systems or inventory control systems to perform closed-loop operations; the present application effectively solves the phenomenon of shirking operation and maintenance responsibilities due to poor well conditions.

The invention discloses a building carbon emission problem determination method and device and a storage medium. The method comprises the steps that reference carbon emission characteristics are determined based on reference energy consumption data of a reference building, and the reference building comprises a plurality of subsystems with different energy consumption requirements; based on the reference carbon emission characteristics, multiple carbon emission problem labels existing in the reference building are determined, and the multiple carbon emission problem labels represent the operation states of the corresponding subsystems; based on the multiple carbon emission problem labels and the reference energy consumption data, training the initial model to obtain a target model; and inputting the target energy consumption data of the target building into the target model for processing, and determining a carbon emission problem identification result in the target building. The technical problem that the building energy-saving diagnosis efficiency is not ideal is solved.

The application relates to an automatic spraying method, system, electronic device and storage medium of a spraying machine, and the method comprises the following steps: S1, acquiring a current vehicle speed and a current working width of the spraying machine; S2, calculating a target spraying flow according to the current vehicle speed and the current working width; and S3, adopting a closed-loop control strategy to adjust a current actual spraying flow of the spraying machine according to the target spraying flow, so that the current actual spraying flow reaches the target spraying flow. Through the method, the target spraying flow calculated according to the current vehicle speed and the current working width is used to control the size of the current actual spraying flow in real time, the closed-loop control can increase the adjustment range of the liquid flow, and can reduce the hysteresis of the adjustment to a certain extent, realizes uniform spraying of the liquid medicine, and saves the liquid medicine.

The utility model belongs to the field of slurry pumps for coal preparation plants, and particularly relates to an intelligent floor sweeping water supply device for a coal preparation plant, which comprises a water tank, a slurry pump system, a water supply pipeline, an energy storage device, a water branch line, a pressure transmitter, a PLC (programmable logic controller) and a frequency conversion control cabinet. One end of the slurry pump system is connected with the water supply pipeline, the other end of the slurry pump system is connected with the energy storage device through the water supply pipeline, the water supply pipeline is connected with the water branch lines, the pressure transmitter is installed on the energy storage device, the pressure transmitter is connected with the PLC, and the PLC is connected with the water supply pipeline. The slurry pump system and the PLC are both in communication connection with the frequency conversion control cabinet; according to the device, the loss of equipment such as a slurry pump can be reduced, the waste of water resources is reduced, water supply is more timely through an automatic control mode, and the hysteresis is reduced.

The invention belongs to the technical field of electric power equipment assembly and detection, and discloses an automatic assembly and detection system based on a flexible direct current converter valve module. A cleanliness control assembly; tightening the cooperation assembly; a detection recognition unit; a data fusion and twinborn center; an error evaluation and risk comprehensive evaluation unit; and a scheduling and feedback system. According to the invention, a real-time acquisition and control mechanism is introduced into an assembly executing mechanism, and stress judgment and sequence adjustment are combined, so that the tightening force of the fastener is dynamically adjusted, and different from the operation depending on artificial experience or fixed torque in the prior art, the operation is more accurate. According to the scheme, the pre-tightening force deviation and the local stress concentration position can be automatically recognized in the tightening process, the tightening sequence is adjusted in real time, in this way, the fatigue damage caused by excessive tightening and the loosening problem caused by insufficient tightening are effectively avoided, and the assembly consistency and the structural stability of the valve module are remarkably improved.

The invention relates to the technical field of printers, and provides a printer consumable allowance obtaining method and device, computer equipment, a readable storage medium and a program product. The method comprises the following steps: establishing communication connection with a target printer according to an IPP protocol to obtain attribute information of the target printer; analyzing the attribute information of the target printer to obtain current consumable information of the target printer; and obtaining the consumable allowance of the target printer according to the current consumable information of the target printer. By adopting the method, higher-precision transmission and statistics of the consumable allowance data of the printer can be supported, the consumable allowance data of the printer can be updated in real time, and the hysteresis and error of the consumable allowance data of the printer are reduced.