192 results about "Temperature and pressure" patented technology

The invention relates to the technical field of automatic control, and discloses an automatic process intelligent control method and system for paper packaging. The method comprises the following steps: acquiring humidity fluctuation data and a material surface moisture content index in a production environment in real time, matching a preset moisture absorption model based on a humidity fluctuation grade, calculating a material physical property change amplitude and an influence of the material physical property change amplitude on pressure distribution, and obtaining a pressure distribution deviation value; calculating the target temperature adjustment amount of the heating equipment and updating the power setting of the humidity adjusting equipment according to the incidence relation between the deviation value and the equipment cooperation parameters, and generating a cooperation control instruction; driving equipment performs linkage adjustment and monitors pressure data, and key control parameters are extracted in a stable state for dynamic process adjustment; product appearance and packaging data are collected, whether the quality meets the standard or not is judged, and process parameters are automatically corrected. According to the method, multi-parameter intelligent cooperative control over humidity, temperature and pressure is achieved, and the stability, consistency and automation level of the paper product packaging production process are improved.

The invention discloses a fluid temperature and pressure partitioning and heat transfer prediction method under supercritical pressure, which comprises the following steps: firstly, constructing a dimensionless criterion SEN to quantitatively evaluate a fluid expansion effect, and then dividing heat transfer into a plurality of temperature and pressure intervals based on Nuexp / Nufc; for each partition and the constructed dimensionless criterion, a temperature interval of a dominant mechanism and characteristic parameters representing the dominant mechanism are extracted, and particularly, the reasonability of a single-phase fluid hypothesis and a two-phase fluid hypothesis can be rapidly judged through the constructed dimensionless criterion; and establishing a partition prediction model by adopting a mechanism and data dual-drive framework. And finally, calling the corresponding sub-model according to the working condition and processing the cross-region continuity to realize high-precision heat transfer prediction in the full working condition range. The method solves the problem that a traditional method is difficult to predict full-temperature pressure interval heat transfer at high precision, and can be used for precise thermal design of the supercritical working medium in thermal equipment such as boilers, heat regenerators and coolers.

An intelligent heat pump system autonomously manages thermal regulation in heating and cooling modes using real-time sensor data and adaptive control algorithms. The system comprises a heat pump integrated with components including a supply valve, regulating valve, return valve, and compressor expander, along with multiple sensors configured to monitor temperature and pressure conditions at various points, including the reservoir, cold side, and hot side. A removable memory stores a directive file containing operational parameters, including target temperatures, valve timing, and pressure control data. A control unit with a processor executes firmware modules that include sensor calibration routines, motor and valve control logic, and an adaptive algorithm that continuously compares real-time sensor input against target parameters. Based on deviations, the system dynamically adjusts component operations to regulate refrigerant flow, internal energy, temperature, and pressure, thereby driving the system toward a steady-state thermal condition. This autonomous system ensures efficient performance, enhanced temperature stability, and optimal energy usage across a range of varying environmental conditions.

A kind of high temperature and high pressure conditions under the fracture of compacted rock permeation resistivity measuring device and method, including: core holder, fluid injection system, resistivity measurement system, pressure applying device and heating device;The device can be carried out under the condition of high temperature and high pressure simultaneously, simulate the fluid permeation process of fractured rock under different temperature and pressure conditions, wherein resistivity measurement system can measure the rock resistivity of permeation process in real time.The device has high measurement accuracy, the test result is intuitive, the device structure is simple, the sealing property, corrosion resistance and heat insulation effect are excellent, can be applied to rock fracture permeation resistivity measurement under different conditions, can quantitatively analyze the influence of temperature, pressure, fluid properties and rock fracture on rock permeability and resistivity, establish the mathematical model of the relationship between permeability and resistivity of fractured rock, can provide theoretical basis for geothermal development reservoir permeability resistivity prediction and evaluation.

The invention discloses an oil cylinder sealing optimization system based on electromagnetic induction regulation and control, and the system comprises an electromagnetic induction unit, a coil of which generates an alternating magnetic field in a sealing area, and acts on a magnetic sensitive composite material sealing element; the sensor unit monitors the leakage rate, the temperature and the pressure in real time; the control unit executes a self-adaptive PID control algorithm, dynamically adjusts PID parameters according to sensor data, and outputs a PWM signal to control the electromagnetic induction unit so as to optimize the sealing performance in real time; the controllable alternating magnetic field is applied to the magnetic-sensitive sealing element through the electromagnetic induction unit, the elastic modulus and the contact pressure of the magnetic-sensitive sealing element are regulated in real time through the magnetocaloric or magnetostrictive effect, meanwhile, key parameters such as leakage, temperature and pressure are monitored in real time in combination with a sensor, and the sealing state is rapidly responded and dynamically adjusted through a self-adaptive PID algorithm in the control unit. Oil cylinder sealing can be self-optimized according to working condition changes, and the problem that traditional static sealing cannot adapt to dynamic working conditions is solved.

The invention discloses a galvanized steel pipe internal blowing process automatic control system and method, and belongs to the technical field of hot galvanizing process intelligent control. Steel pipe structure parameters are obtained and matched with a historical process model, and an initial temperature and pressure value is output; the temperature change rate delta T / delta t of the inner cavity of the steel pipe is collected, and a thermal state vector is established; calculating the current optimal internal blowing pressure P (t) and the pulse frequency f (t) by combining delta T / delta t with the initial parameters T0 and P0 through a fuzzy controller; a PWM driving signal is generated to control an electromagnetic valve and a fan to operate, so that the air blowing rhythm is regulated and controlled; by collecting a pressure falling curve after blowing each time, the falling rate dP / dt is calculated, and the desorption efficiency of the zinc liquid is evaluated; when the deviation exceeds a threshold value, the fuzzy rule base is automatically corrected, and self-learning and optimization of control parameters are achieved; the method improves the internal blowing precision and consistency, is high in adaptability, and can be widely applied to the field of intelligent manufacturing of hot-dip galvanized steel pipes.

The invention discloses an Ebnite rubber roller production method based on temperature and pressure intelligent regulation and control, and relates to the technical field of rubber roller production, and the method comprises the following steps: constructing a temperature collection credibility function according to a local temperature abnormal distribution matrix, carrying out fitting comparison on the temperature response of each collection point and a target temperature rise curve, and obtaining a target temperature rise curve; and generating a credibility index for judging the credibility of the temperature data, and correcting the judgment logic of temperature acquisition according to the abnormal change of the local temperature under the condition of abnormal heat conduction caused by air resistance in the vulcanization heating process. The problem of temperature control misjudgment caused by abnormal local heat conduction due to formation of air resistance in the vulcanizing and heating process of the Ebnite rubber roller is solved, dynamic identification and self-adaptive regulation and control on abnormal temperature and pressure are realized, sufficient vulcanization, uniform structure and stable performance of each area of the rubber roller are ensured, and the product quality and the service reliability are improved.

The invention relates to the technical field of industrial internet, in particular to a digital enabling management method and system for a monosodium glutamate production system, and the method comprises the following steps: obtaining a time sequence comparison number of a fermentation exhaust record division task, marking an abnormal task, extracting temperature and pressure data, recognizing a lagging state, calling a stirring and feeding gas path record, and screening rhythm abnormity. According to the method, through time sequence division and serial number comparison of the exhaust tasks, an abnormal task identification mechanism is constructed, and the cooperative lag state in the fermentation process is identified in combination with the time pairing relation of the temperature and the pressure, so that the time sequence of the exhaust tasks is divided, the time sequence of the exhaust tasks is compared with the serial number of the exhaust tasks, and the time sequence of the exhaust tasks is optimized. Stirring, feeding and gas path action records adjacent to the task are called, abnormal mapping between the auxiliary task and the main task is established, the beat sequence and configuration relation and the relation between the corresponding task behavior and the control rule in the scheduling table are adjusted, and the coverage range of abnormal recognition and the response efficiency of scheduling adjustment are improved.

The invention discloses an endoscope data processing method and system, and belongs to the field of endoscopes. The method comprises the steps that a basic pressure threshold a0 and a basic temperature threshold b0 of a user are set; collecting a pressure value a1 and a temperature value b1 through an endoscope; performing error correction on the pressure value a1 and the temperature value b1 through a compensation algorithm; according to the pressure value a1'and the temperature value b1 'after error correction, a basic pressure threshold value a0 and a basic temperature threshold value b0, a control strategy of the perfusion flow and the suction flow is generated; according to the control strategy, a PWM algorithm is adopted to generate control signals of perfusion driving and attraction driving; and the filter circuit and the isolation circuit are used for processing the control signal. In order to solve the problem that perfusion and suction flow control is not coordinated in the endoscopic surgery process in the prior art, four control strategies are generated through an error compensation algorithm and according to temperature and pressure parameters, and the stability of perfusion and suction flow control is improved.

The invention provides an integrated temperature and pressure reduction device based on pressure control and a working method, and belongs to the technical field of steam utilization. The problems that in the prior art, temperature and pressure reduction operation of steam is difficult to achieve efficiently and accurately, and the steam utilization efficiency and safety are affected are solved. The temperature and pressure reducing valve comprises a main flowing pipe, a temperature and pressure reducing cavity, an inner sealing face, an outer sealing face and a pressure control spring, a temperature and pressure reducing water inlet is formed in the upper portion of the main flowing pipe, the temperature and pressure reducing cavity is installed in the main flowing pipe, the temperature and pressure reducing water inlet is communicated with the temperature and pressure reducing cavity, and the inner sealing face is arranged on the inner wall of the main flowing pipe. An inner sealing face is arranged on the outer wall of the temperature and pressure reduction cavity, an outer sealing face is arranged on the outer wall of the temperature and pressure reduction cavity and makes contact with the inner sealing face in a matched mode, a plurality of runners are arranged at the tail end of the temperature and pressure reduction cavity, the pressure control spring is installed between the outer wall of the tail end of the temperature and pressure reduction cavity and the inner wall of the flowing main pipe, and the initial state of the pressure control spring is a compressed state. The device is mainly used for reducing temperature and pressure.

An intelligent heat pump system autonomously manages thermal regulation in heating and cooling modes using real-time sensor data and adaptive control algorithms. The system comprises a heat pump integrated with components including a supply valve, regulating valve, return valve, and compressor expander, along with multiple sensors configured to monitor temperature and pressure conditions at various points, including the reservoir, cold side, and hot side. A removable memory stores a directive file containing operational parameters, including target temperatures, valve timing, and pressure control data. A control unit with a processor executes firmware modules that include sensor calibration routines, motor and valve control logic, and an adaptive algorithm that continuously compares real-time sensor input against target parameters. Based on deviations, the system dynamically adjusts component operations to regulate refrigerant flow, internal energy, temperature, and pressure, thereby driving the system toward a steady-state thermal condition.

The present application relates to the technical field of power system fixed inspection, more specifically to a power system fixed inspection method based on environmental information, comprising: S1, detecting the temperature of flanges of each part of the wind turbine, and taking the part with higher temperature as the key detection part; S2, detecting and obtaining the flange pressure value and temperature data of the key detection part; S3, calculating the pressure threshold of the flange according to the position and temperature data of the flange; S4, analyzing and judging the relaxation state of the bolt according to the flange pressure value and pressure threshold of each key detection part; S5, adjusting the fixed inspection date of the power system according to the analysis result; the flange temperature and pressure are monitored, the relaxation degree of the bolt of the wind turbine is effectively judged through the pressure value of the flange; the fixed inspection cycle is adjusted according to the relaxation ratio, the damage of the equipment caused by the untimely fixed inspection is prevented, and the stability of the operation of the wind turbine is improved.

The invention discloses a method and a system for inverting underground equivalent circulation density based on a cuttings bed thickness model. The method comprises the following steps: determining the cuttings bed thickness of a whole well section based on the cuttings bed thickness model; the annulus effective flow area and the concentric annulus equivalent hydraulic diameter of the shaft are corrected based on the thickness of the cuttings bed of the whole well section; establishing a wellbore flow model, and determining initial wellbore temperature, wellbore pressure and boundary conditions; based on the wellbore flow model, the current wellbore temperature, the current wellbore pressure and boundary conditions, temperature and pressure distribution data of the whole well section are calculated; judging whether the temperature and pressure distribution data of the whole well section converge or not, and obtaining a judgment result; and if the judgment result indicates that the temperature distribution data and the pressure distribution data of the whole well section are converged, the temperature distribution data and the pressure distribution data in the wellbore annulus are obtained, and the equivalent circulation density of the whole well section is calculated based on the temperature distribution data and the pressure distribution data in the wellbore annulus.

The invention relates to an offshore CCUS well building shaft temperature and pressure coupling calculation method which comprises the following steps: substituting an initial temperature and pressure profile of a shaft into a shaft drilling fluid density prediction model to obtain drilling fluid density, and substituting the initial temperature and pressure profile into a rheological property prediction model to obtain drilling fluid viscosity; fluid pressure in the drill stem and fluid pressure in the annulus are obtained; all nodes with shaft pressure prediction differences meeting the precision requirement are selected; the fluid temperature is updated through the temperature model and the fluid density of the node with the difference value meeting the precision requirement of the wellbore pressure prediction difference value of the node; according to the fluid with the updated temperature, adjacent nodes with the shaft pressure prediction difference meeting the precision requirement are selected; selecting nodes corresponding to all fluids of which the circulating flowing time in the shaft meets the preset time requirement from all nodes of which the shaft pressure prediction difference meets the precision requirement; and taking the temperature and the pressure of the node meeting the requirements as final wellbore temperature and pressure profiles.

The invention discloses an annular air column volume optimization method and device for preventing an oil and gas well annular temperature and pressure effect. The method comprises the following steps: determining annulus thermal resistance of an annulus section according to heat conductivity coefficients of an annulus air column and an annulus liquid column, and further determining radial heat transfer thermal resistance of the annulus section; according to the dimensionless formation temperature, the friction coefficient between an oil pipe and fluid, the radial heat transfer resistance of an annulus section and the formation temperature, the annulus liquid column temperature change and the annulus liquid column average temperature are determined respectively, and a first equation representing the relation among the annulus liquid column temperature change, the annulus pressure increment and the annulus liquid column volume variation is established; the second equation is used for representing the relationship among the average temperature of the annular air column, the annular pressure increment and the volume of the annular air column; an annular pressure increment is obtained according to the current annular air column length solving equation; and the length of the annular air column is modified until the determined annular pressure increment meets the control value, and the optimal annular gas injection amount is obtained. The method provides data guidance for preventing the annulus pressure induced by the temperature-pressure effect.

The present invention relates to a method for purifying at least one impurity and compressing hydrogen, comprising at least one thermal compression and cooling of the hydrogen to a temperature strictly below 0°C, either simultaneously or starting with one of the two, to a temperature and pressure combination such that said at least one impurity condenses sufficiently so that the remaining quantity of the impurity in the hydrogen is less than a predetermined value. The present invention also relates to a device specially designed to implement the method according to the invention. Abstract figure: Figure 1

1. Name of the design product: ultrasonic water meter. 2. Use of the design product: used for measuring the flow, temperature and pressure of liquid and uploading to data platform. 3. Design points of the design product: in shape. 4. Pictures or photos best indicating the design points: perspective view.

The invention discloses a steam drive steam channeling early warning method and device, a medium and computing equipment. The method comprises the following steps: establishing an instantaneous steam channeling volume model based on a material balance method; establishing an instantaneous steam channeling volume difference based on temperature and pressure changes; establishing a steam channeling volume model of a single injection-production well; establishing a temperature model based on a thermodynamic theory, and improving a temperature function; and a plurality of injection and production well steam channeling volume models are established, and the steam channeling volume is determined. According to the early warning method for steam displacement and steam channeling, quantitative characterization of a steam channeling channel is achieved by improving a temperature function and establishing an injection-production regulation and control model. In addition, according to the method, early warning of steam channeling is achieved by determining the steam channeling volume, reasonable classified treatment countermeasures are formulated, and oil stabilization and water control of the oil field are achieved.

The invention discloses a liquid cooling system temperature and pressure cooperative control method based on a distributed CDU, and relates to the technical field of liquid cooling system control. According to the main technical scheme, target parameters of a secondary side are collected in real time; the target parameters comprise the actually measured temperature rise of the cooling liquid, the actually measured pressure difference of the circulating pump and the thermal load of the cabinet; based on the actually measured temperature rise of the cooling liquid, the actually measured pressure difference of the circulating pump and the thermal load of the cabinet, the target pressure difference of the circulating pump and the target temperature rise of the cooling liquid are obtained; based on the cooling liquid actual measurement temperature rise, the circulating pump actual measurement pressure difference, the circulating pump target pressure difference and the cooling liquid target temperature rise, the pump speed control quantity of the circulating pump is obtained; and correspondingly adjusting the pump speed of the circulating pump according to the pump speed control quantity of the circulating pump. The heat dissipation capability and the fluid stability of the liquid cooling system are cooperatively controlled, so that the safety problem risks of system oscillation, response lag, energy consumption increase, even cavitation, uneven flow and the like caused by single-parameter adjustment are reduced.

The invention provides a sterilization control method and system based on vacuum drying and self-adaptive pressure and a medium, and the method comprises the steps: firstly querying a basic threshold group according to the type of a sterilized article, generating a correction coefficient through a matching model in combination with the physical characteristics of three-dimensional scanning, and outputting a dynamic threshold group; in the sterilization stage, the pressure of the cavity is monitored in real time, the pressure is maintained within a threshold value range through an air supplementing pump or a pressure release valve, the number of overrun times is counted based on a sliding time window, and when the overrun frequency exceeds the standard, the pressure tolerance interval is expanded in a self-adaptive mode; pulsating vacuum circulation is started in the drying stage, a humidity value is collected after each round of circulation, the vacuum intensity is dynamically adjusted according to the deviation between the humidity value and the target humidity, and finally the continuous standard round serves as the drying termination condition; the sterilization efficiency and safety are remarkably improved, the problems of uneven drying and pressure instability caused by parameter curing in traditional equipment are solved, and the device is particularly suitable for sterilization scenes sensitive to temperature and pressure such as medical instruments and porous materials.

The application belongs to the technical field of aero-engines, and particularly relates to a control method for water flow of an ejection pre-cooling system of an aero-engine. The temperature and pressure values of water in a pipe before a nozzle are collected by a sensor. Based on the collected temperature and pressure values, a judging program is used to judge whether the water in the pipe before the nozzle is in a liquid phase, a gas phase or a gas-liquid mixed phase. Corresponding programs are called based on the judging result to control the water flow, so that the state of the water in the pipe before the nozzle is judged, and then the water flow is controlled.

The invention discloses a contact thermal resistance testing method based on an engine service variable temperature environment, and belongs to the field of aero-engine thermal management. According to the method, an experiment is carried out through a laser flash method transient measurement technology; then, the contact thermal resistance under different temperatures and pressure load conditions is measured, the highest environment temperature is tested to exceed 1000K required by technical indexes, the final contact thermal resistance result under the 573K non-pressure gravity placement condition calculated through a multi-scale contact thermal resistance estimation method is 3019.02 K.mm < 2 > / W, the error between the final contact thermal resistance result and an experimental measurement result is 5.19%, and the contact thermal resistance is not influenced by the maximum environment temperature and the final contact thermal resistance result under the 573K non-pressure gravity placement condition. And the requirements are met when the technical index error does not exceed 12%. According to the method, the change rule of the contact thermal resistance under different temperature and pressure conditions can be accurately predicted, and key support is provided for thermal matching and design of heterogeneous material high-temperature parts of aero-engines.

The invention provides a supercritical physical foaming method which comprises the following steps: S10, putting a material to be foamed into a first foaming kettle, introducing helium under the conditions that the temperature is 30-45 DEG C and the pressure is 0.8-1.8 MPa, maintaining the pressure for 5-10 minutes, and then releasing the pressure to normal pressure at the speed of 0.6-1.2 MPa / s; s20, introducing carbon dioxide into the first foaming kettle, maintaining the pressure for 10-15 minutes under the conditions that the temperature is 85-115 DEG C and the pressure is 9-14 MPa, and then performing two-stage pressure relief; and S30, the material treated in the step S20 is transferred into a second foaming kettle, nitrogen is introduced under the conditions that the temperature ranges from 65 DEG C to 85 DEG C and the pressure ranges from 6 MPa to 9 MPa, the pressure is kept for 8-10 min, and then the pressure is relieved to the normal pressure at the speed of 0.15-0.25 MPa / s. The method can shorten the pressure maintaining time and improve the production efficiency under the condition of ensuring the dimensional stability of the product.

The invention relates to the technical field of automobile safety monitoring, and discloses a tire pressure sensing system for monitoring the surface temperature of a tire. A temperature monitoring assembly of the system is arranged on the surface of a tire, collects temperature distribution information and forms a temperature space-time sequence; the tire pressure monitoring assembly is integrated in a tire and used for monitoring pressure changes and generating a pressure data sequence. The feature fusion component receives the temperature space-time sequence and the pressure data sequence, performs data fusion and then extracts coupling features of the temperature and the pressure; the grid construction assembly generates a multi-resolution thermal grid model according to monitoring resolution requirements of different areas on the surface of the tire; the thermal load analysis assembly analyzes thermal load change based on the time sequence of the multi-resolution thermal grid model to obtain a thermal load spectrum; and the stress calculation assembly calculates the thermal stress distribution of the key area of the tire through thermal stress simulation by using the thermal load spectrum to obtain stress state data. According to the system, the tire safety monitoring accuracy and early warning capability are improved.

The application provides a meat processing equipment operation parameter adjustment method and system, and relates to the technical field of processing equipment control, and comprises the following steps: obtaining temperature-pressure coupling response data of the meat processing equipment; determining a cross-domain influence coefficient for describing the temperature-pressure coupling strength; establishing a temperature-pressure joint state space of the meat processing equipment; combining the temperature-pressure joint state space to construct a guide potential field based on a Lyapunov function for driving the temperature-pressure to converge to corresponding set values; determining the construction parameters of the guide potential field by taking the Lyapunov stability inequality as a constraint, and updating the guide potential field by using the construction parameters; obtaining the current set temperature and the current set pressure of the meat processing equipment; inputting the same into the updated guide potential field, calculating a real-time heating power adjustment amount and a real-time exhaust valve opening adjustment amount based on the guide potential field gradient; and adjusting the processing equipment according to the real-time heating power adjustment amount and the real-time exhaust valve opening adjustment amount. Thus, the accurate coupling control of temperature and pressure is realized.

The application provides a kind of pipe bundle convection heat transfer characteristic test experimental system and experimental method based on digital twinborn technology, belongs to pipe bundle convection heat transfer characteristic test field.For solving the problem that students are difficult to intuitively analyze the movement of fluid and heat transfer process in the existing heat transfer experiment teaching, it is difficult to deeply understand the complex relationship between heat transfer and fluid mechanics, and the experimental operation and data acquisition function are not intelligent and efficient enough.A virtual and real digital twinborn experiment system is constructed, the virtual twinborn model is continuously optimized through real-time data interaction, the model accuracy and reliability are improved;Compared with the traditional virtual experiment system, the authenticity and reliability of the application are higher;Temperature, pressure field monitoring function can be realized in the area where sensors are difficult to arrange in the structure of pipe bundle heat exchanger, whether there is overtemperature and overpressure can be found in time;And to a certain extent, the temperature and pressure distribution of the system at future time is calculated, the advanced prediction and early warning function is realized to prevent equipment damage or cause safety accidents.

The application provides a device and method for measuring the liquidity of cementing slurry under the influence of temperature and pressure coupling in middle-deep well cementing, the bottom of the stirring bin is connected with the inside of the quantitative feeding bin, the temperature and pressure environment storage cylinder and the discharge hopper from top to bottom in sequence; the stirring bin is provided with a reverse flow stirring mechanism; the quantitative feeding bin is provided with a quantitative feeding mechanism; the temperature and pressure environment storage cylinder is provided with a temperature and pressure mechanism; the driving shaft comprises a reverse flow stirring driving section and a quantitative feeding driving section which are coaxially integrated; the rotation of the reverse flow stirring driving section around the central axis can drive the reverse flow stirring mechanism to rotate around the radial center line; the rotation of the quantitative feeding driving section around the axial center line can drive the quantitative feeding mechanism to rotate around the axial center line. The reverse flow stirring mechanism can stir the cementing slurry at different speeds, so that the liquidity measurement operation is carried out in the real preparation state, thereby improving the accuracy and polymorphism of the measurement data.

The invention provides a high-pressure mixed gas preparation method considering temperature and pressure influences, and relates to the technical field of unconventional natural gas extraction. Comprising the following nine steps: determining constant parameters, determining proportioning concentration, initializing a pressure value, calculating the partial pressure of each component of mixed gas, vacuumizing a device, filling a component I gas, vacuumizing a pipeline, filling a component I gas and analyzing the components of the gas. According to the method, the partial pressure of each component gas is accurately calculated in combination with the compression factor, so that high-precision and flexible preparation of the mixed gas components can be realized, high cost caused by frequent purchase of prefabricated gas is avoided, trace gas can be accurately prepared according to actual requirements, and gas consumption and cost are greatly reduced. And meanwhile, the repeatability and the reliability of the gas preparation process are improved, and the device is particularly suitable for experiment conditions of high pressure and various gas components.

The invention relates to the technical field of deep rock mechanics, and provides a deep in-situ environment rock parameter acoustic electromagnetic fidelity test system and method.The deep in-situ environment rock parameter acoustic electromagnetic fidelity test system comprises a cabin, a test space is formed in the cabin, and a rock core sample enters the test space from one end of the cabin through a displacement unit; the temperature and pressure control unit is communicated with the cabin body and is used for adjusting the temperature and the pressure in the cabin body to reach target values and keeping the target values stable; the acoustic electromagnetic testing module is arranged in the cabin body and used for calculating the wave velocity, the resistivity and the apparent resistivity of the rock core sample, and the acoustic electromagnetic testing module is connected with an external acoustic electromagnetic data acquisition system; and the remote control system is electrically connected with the acoustic electromagnetic test module and the temperature and pressure control unit. According to the method, the original occurrence state of the rock can be restored in a fidelity manner, the physical and mechanical parameters of the rock in a deep in-situ real environment are tested and analyzed, the evolution law of the physical and mechanical parameters along with the deep environment is analyzed, and reliable data support is provided for revealing the constitutive relation, the failure mechanism and the disaster breeding mechanism of the deep rock mass.