32377 results about "Control valves" patented technology

The invention discloses an intelligent adjusting system of an adaptive multi-environment ship electric control valve actuator, which relates to the technical field of control valve adjustment and comprises an environment judgment module, a real-time monitoring module, an adaptive adjusting module and a feedback optimization module. The environment judgment module collects environment data through various sensors distributed on an electric control valve and around the electric control valve, and the environment data are processed through a signal conditioning and microprocessor application algorithm. According to the intelligent adjusting system of the self-adaptive multi-environment ship electric control valve actuator, the adaptability and the stability of the ship electric control valve actuator in variable environments are remarkably improved; the electric control valve actuator can monitor and respond to environment changes such as temperature, humidity, vibration and electromagnetic interference in real time, it is ensured that the electric control valve actuator can be accurately regulated and controlled under the extreme working condition, and therefore the reliability and safety of a ship system are improved.

A method of operating a gas turbine engine comprising an engine core comprising a turbine, a compressor, a combustor arranged to combust a fuel, and a core shaft connecting the turbine to the compressor; a fan located upstream of the engine core; a gearbox that receives an input from the core shaft and outputs drive to the fan; an oil loop system arranged to supply oil to the gearbox; and a heat exchange system comprising an air-oil heat exchanger through which the oil flows, a fuel-oil heat exchanger through which the oil and the fuel flow; and a valve arranged to allow a proportion of the oil sent via at least one of the heat exchangers to be varied, is disclosed, the method comprising controlling the valve such that, under cruise conditions, an oil flow ratio of:rate⁢ of⁢ oil⁢ flow⁢ into⁢ air-oil⁢ heat⁢ exchangerrate⁢ of⁢ oil⁢ flow⁢ into⁢ fuel-oil⁢ heat⁢ exchangeris in the range from 0 to 0.59.

A method of operating a gas turbine engine including: an engine core with a turbine, compressor, a fuel combustor, and a core shaft connecting the turbine to the compressor; a fan; a gearbox that receives an input from the core shaft and outputs drive to the fan; an oil loop system arranged to supply oil to the gearbox; and a heat exchange system including: an air-oil heat exchanger through which the oil flows; a fuel-oil heat exchanger through which the oil and the fuel flow; a temperature sensor downstream of the fuel-oil heat exchanger; and a valve arranged to allow oil or air flow rate through at least one heat exchanger to be varied, the method including: determining if the fuel temperature has increased above a set threshold at cruise conditions; and in response, controlling the valve so as to change the flow rate through the heat exchanger.

A pump system includes a housing defining a first internal volume and a second internal volume, a first piston positioned to separate the first internal volume into a first chamber and a second chamber, a second piston positioned to separate the second internal volume into a third chamber and a fourth chamber, a first inlet check valve configured to permit fluid flow into the first chamber, a second inlet check valve configured to permit fluid flow into the third chamber, a directional control valve (DCV) repositionable between (a) a first position where the DCV is configured to fluidly couple the second chamber to a high pressure fluid source and (b) a second position where the DCV is configured to fluidly couple the fourth chamber to the high pressure fluid source, and a relief valve configured to supply a fluid to the DCV through an orifice to move the DCV.

The invention relates to the technical field of steam turbine testing, in particular to a testing system for mismatch correction of a wide-load-interval thermal power generating unit speed regulation model, which comprises a thermodynamic system component, a speed regulation system device, a dynamic signal acquisition device and a control device, a dynamic signal processing module analyzes the relevance between main steam pressure sudden change and control valve opening oscillation in real time, a dynamic response database including a time sequence is constructed, and a control valve opening feed-forward compensation instruction and a combustor fuel distribution gradient adjustment signal are generated according to correction parameters. Power over-modulation wave crests caused by sudden load change are suppressed, and primary frequency modulation action delay is reduced; and the simulation verification module compares measured data with model output through an error feedback mechanism, dynamically adjusts high-pressure cylinder flow characteristic curve calibration parameters, optimizes a control strategy in combination with a network-related safety margin evaluation result, and realizes improvement of dynamic response precision in a full peak regulation interval and enhancement of power grid frequency stability.

Disclosed herein are systems and methods for monitoring at least one volatile breathing compound in respiratory gases of patients. A device includes a patient respiratory gas interface coupled via a connector to a gas sampling line. The line includes a first channel for conducting a predetermined flux of respiratory gases from the interface to an inlet of a sidestream gas monitor, which monitors carbon dioxide (CO2) content. A pump facilitates gas flow through the device and the monitor. An outlet of the monitor is coupled to a second channel for conveying gases away. A valve controls passage of respiratory gas from the monitor via the second channel by connecting or disconnecting the flux to / from at least one volatile breathing compound detector, which monitors compound content. A control unit monitors CO2 values and uses this as a signal to control the valve, enabling compound monitoring or bypass based on CO2 content.

The invention provides a fuel cell hydrogen supply system and a hydrogen supply method. The fuel cell hydrogen supply system comprises a liquid hydrogen storage tank, a first gas path connected between the liquid hydrogen storage tank and a fuel cell, a second gas path connected in parallel with the first gas path, and a control assembly, a gasification device is arranged on the first gas path, and a gas storage bottle is arranged on the second gas path; the control assembly comprises a controller and a plurality of control valves; the controller controls the plurality of control valves and can respectively control the connection or disconnection of the first gas path and the second gas path, so that the liquid hydrogen in the liquid hydrogen storage tank is conveyed to the fuel cell through the first gas path, and when the pressure of the gaseous hydrogen in the liquid hydrogen storage tank exceeds a first preset pressure threshold value, the gaseous hydrogen is stored in the gas storage bottle through the second gas path; and hydrogen can be supplied to the fuel cell through the second gas path. According to the fuel cell hydrogen supply system, gaseous hydrogen exceeding the first preset pressure threshold in the liquid hydrogen storage tank can be recycled, so that the release of the gaseous hydrogen to the outside is reduced, and the waste of resources is reduced.

The invention provides a reflux valve supporting remote monitoring of the Internet of Things. The reflux valve comprises a valve body provided with a fluid inlet, a fluid outlet and an internal flow channel, and an electric actuating mechanism is configured for controlling the opening degree of the valve; a microprocessor and a memory are arranged in the control unit, and the control unit processes data of the sensor, calculates a fluid density correction coefficient and a pressure correction coefficient, corrects original flow data collected by the flow sensor and generates an actual flow value; the control unit further identifies the current fluid type and adaptively adjusts the countercurrent detection threshold value of the upstream and downstream pressure difference based on the relationship between the flow and the pressure data; when the pressure difference exceeds the adjusted threshold value, the electric executing mechanism executes emergency turn-off operation; meanwhile, a wireless communication unit is arranged, real-time data transmission is supported, control parameters issued by external monitoring equipment are received, and intelligent control and remote management are achieved; the intelligence and the operation efficiency of the reflux valve can be effectively improved, and the reflux valve is suitable for safety protection and operation optimization under the complex fluid working condition.

A brake system for a motor vehicle includes a first electrically actuatable pressure source, a first control device, a second electrically actuatable pressure source, an electrically actuatable inlet valve for each wheel brake, an electrically actuatable outlet valve for each wheel brake, a second control device, and a pressure medium reservoir. The first and second pressure sources are connected to a brake supply line to which the inlet valves are connected. An electrically actuatable circuit separation valve is arranged in the brake supply line such that when the circuit separation valve is closed, the brake supply line is separated into a first line section and a second line section. The first line section is connected to the second pressure source and at least two inlet valves, and the second line section is connected to the first pressure source and the other inlet valves.

A valve member for a spring-loaded valve assembly includes a top portion having a spring retaining recess, the spring retaining recess extending into the top portion to form a void space, the void space to receive at least one coil of a spring, the spring retaining recess having a recess diameter that is smaller than a top portion diameter, wherein the recess diameter is larger than a rest diameter of a spring base including the coil, the spring retaining recess blocking expansion of the at least one coil when the spring is compressed. The valve member also includes a bottom portion coupled to the top portion. The valve member further includes a sealing element positioned axially below a shoulder of the top portion and legs coupled to the bottom portion.

The present invention relates to the technical field of microfluidics, and discloses a microfluidic chip, which comprises a mixing detection module, a control valve and a power module, and the mixing detection module comprises a plurality of storage cavities, a first channel, a second channel, a third channel, a common channel, a mixing cavity and a detection cavity. According to the invention, the storage cavity for providing the reagent, the channel for fluid such as the reagent and the sample to flow, the mixing cavity for mixing and reacting the fluid such as the reagent and the sample, and the detection cavity for analyzing and detecting the sample are integrated on the mixing detection module; a control valve and a power module which are used for realizing directional flow and mixed reaction of fluid in each channel are arranged as parts which can be removed relative to the mixed detection module, so that the integration degree of the micro-fluidic chip can be improved, and the volume of the micro-fluidic chip can be reduced; in addition, the installation and replacement of the mixed detection module serving as a consumable are facilitated, and the flexibility and convenience of the micro-fluidic chip in use are effectively improved.

The invention discloses an intelligent thrombus suction and cutting system, and belongs to the field of medical instruments. According to the system, the design of double pressure sensors and the intelligent pressure feedback control technology are adopted, and the suction state (blood suction, thrombus suction or complete blockage) is accurately recognized by monitoring pressure changes in a negative pressure pump pipeline and a suction catheter in real time and combining historical data analysis. The system automatically adjusts parameters of a pipeline control valve, a negative pressure pump, a peristaltic pump and the like according to the parameters, and intelligent optimization control over the suction process is achieved. The innovative integrated design of the double-cavity catheter integrates the functions of suction and thrombus breaking, when the complete blockage state is judged, the thrombus breaking program can be automatically or manually started, thrombus is quickly broken through high-speed liquid impact or thrombolysis medicine injection, and long-time suction catheter blockage is effectively prevented. The system obviously improves the thrombus aspiration efficiency, reduces the blood loss amount of a patient, optimizes the operation process, and has a good clinical application prospect.

The invention discloses a natural gas station intelligent distribution method based on the Internet of Things, and relates to the technical field of natural gas station distribution design. Flow, pressure and valve state data are obtained in real time through an Internet of Things sensor, and a weighted average method and Kalman filtering are used for data fusion and optimization; meanwhile, the relative position relation between the flow meter and the adjusting valve is judged in real time, branch configuration changes are dynamically recognized, self-adaptive branch matching logic is triggered, and therefore control logic is adjusted; meanwhile, the opening degree of the valve is controlled through PID, self-adaptive dead zone compensation is conducted in combination with historical operation data of the valve and the current state, valve response delay is eliminated, the adjusting precision is improved, and flow fluctuation is reduced; in addition, in the feedback adjusting stage, the adjusting result is continuously monitored, the actual flow and the pressure value are compared with the target value, the opening degree of the valve is dynamically adjusted through real-time error calculation, and the output is kept consistent with the target.

The present invention relates to the technical field of pipeline control valves, and provides a fixed cone valve having automatic pressure adjustment and locking functions. The fixed cone valve having automatic pressure adjustment and locking functions comprises external fixed pipes; a supporting pipe is fixedly connected to the interiors of the external fixed pipes; a fixed frame is fixedly connected to the interior of the supporting pipe; a flow dividing cover is fixedly connected to one side of the fixed frame; and a fixed disc is fixedly connected to one side of the flow dividing cover. According to the fixed cone valve having automatic pressure adjustment and locking functions, a servo motor is started, an output end of the servo motor drives a third gear to rotate, the third gear drives a second gear in meshed connection with the third gear to rotate, and the second gear drives an inner ring gear and an outer ring gear which are in meshed connection with the second gear to rotate; and when the inner ring gear and the outer ring gear rotate to drive two first gears to rotate, and the first gears rotate to drive first lead screws to rotate, connecting plates located on the outer side and connected by means of a ball nut pair drive a sealing blocking pipe to horizontally move, so as to control the water outflow amount, achieving the accurate adjustment effect.

The invention provides a pneumatic operated directional valve and an energy-saving hydraulic station with the pneumatic operated directional valve. The pneumatic control valve comprises a pneumatic control valve shell and a pneumatic control valve element. The pneumatic control valve element is arranged in the pneumatic control valve shell in the length direction of the pneumatic control valve shell in a sliding mode. The pneumatic control valve shell is provided with an air inlet P, a first air outlet A, a second air outlet B, an exhaust port R, a pneumatic control loading port Y1 and a pneumatic control unloading port Y2. After the forward sliding side of the pneumatic control valve element is unloaded through the pneumatic control unloading port Y2, the air inlet P injects air into the reverse sliding side of the pneumatic control valve element, and the pneumatic control valve element can slide in the pneumatic control valve shell in the forward direction. The pneumatic control loading port Y1 and the pneumatic control unloading port Y2 are used for loading and unloading the forward sliding side of the pneumatic control valve element correspondingly, the stability and continuity of reverse sliding of the pneumatic control valve element can be achieved through loading, the forward sliding resistance of the pneumatic control valve element can be reduced through unloading, and therefore the pneumatic control valve element is prevented from being clamped and stopped in the reversing process, and the reversing efficiency of the pneumatic control valve element is improved. And the situation that the pneumatic control valve element stops at the middle position is avoided.

The invention discloses a double-side water inlet and outlet independent salt path control valve and an operation method thereof.The double-side water inlet and outlet independent salt path control valve comprises a control valve body, a control valve flow channel switching assembly and a salt path switching assembly, and a grating inner cavity communicating with a softening tank is formed in the control valve body; the water inlet channel and the water outlet channel are both communicated with the grille inner cavity and located in the same straight line direction, the siphon installation channel is communicated with the grille inner cavity, the siphon installation channel is communicated with the salt suction channel through a salt valve assembly installation channel, a pulse booster pump is arranged on the water inlet channel, and the pulse pump is started during back washing and front washing. Based on the cooperative arrangement of the control valve body, the control valve flow channel switching assembly and the salt path switching assembly, the control valve can be conveniently operated, and the working states of purification, backwashing, salt absorption or water supplement of the softening machine can be flexibly switched; and the pulse pump is started during backwashing and conventional washing, so that the pressure of the water inlet is increased, the backwashing and conventional washing time is shortened, the backwashing and conventional washing effects are enhanced, and wastewater discharge is reduced.

The invention discloses a cooling system and a server cabinet, and relates to the technical field of server cabinets, and the cooling system comprises a cooling module and at least two cooling branches. The cooling branch is provided with a control valve, a detection assembly and a cold plate module used for cooling working devices in the server. The cooling module is connected with each cooling branch, the cooling module is used for providing a cooling medium for each cooling branch, the cooling module comprises a control module, and the control module is used for being in communication connection with a server, a control valve and a detection assembly in each cooling branch; the control module is further used for receiving the working performance parameters of the working devices in the servers in the cooling branches and the cooling medium performance parameters detected by the detection assembly so as to control the opening degree of the control valves in the corresponding cooling branches. The cooling system solves the problem that the server node flow in the server cabinet cannot be adjusted in real time.

A gearbox assembly includes a gearbox and a gutter for collecting a gearbox lubricant scavenge flow from the gearbox. The gutter is characterized by a lubricant extraction volume ratio between 0.01 and 0.3, inclusive of the endpoints. The lubricant extraction volume ratio is defined byVGVGB.VG is a gutter volume of the gutter and VGB is a gearbox volume of the gearbox. A gas turbine engine includes the gearbox assembly and a lubrication system. The lubrication system includes a tank that stores a lubricant therein, one or more lubricant pumps for generating a flow of lubricant from the tank to the gearbox assembly, and a flow rate control valve. The flow rate control valve has a flow inlet and a flow outlet and defines a variable throughput from the flow inlet to the flow outlet for controlling a flowrate of the lubricant to the gearbox assembly.

The invention provides a control method of a refrigeration house, a controller, an air conditioner and the refrigeration house. Under the condition that the target goods are not put in storage or taken out of storage, the first information is received, the quality information and the current temperature information of the target goods are obtained in advance, the first target thermal load data are calculated in combination with the environment parameters (such as the temperature parameters) of the current cold storage, and therefore the first target thermal load data are obtained before the goods are put in storage or taken out of storage. And dynamically adjusting environmental parameters (such as temperature parameters) of the refrigeration house according to a calculation result. The method effectively solves the problem that the temperature control of the refrigeration house, especially the refrigeration house with frequent goods input and output, is not accurate enough in the prior art. By adjusting the operation state of the environment adjusting equipment in advance, for example, the compressor frequency, the fan rotating speed and the control valve opening degree of the refrigeration equipment are optimized, the temperature of the refrigeration house can be accurately reduced before goods are put in storage, or the temperature of the refrigeration house can be properly increased before goods are taken out of storage, and therefore the problem of temperature adjustment lag is avoided.

The invention discloses a self-powered intelligent network connection ball valve for adjusting fluid. The self-powered intelligent network connection ball valve comprises a ball valve body and an intelligent network connection control module arranged on the ball valve body. The ball valve body comprises a ball body, a rotating wheel arranged on the ball body, a transmission shaft connected with the rotating wheel and a generator connected with the transmission shaft. The generator is used for supplying power to the intelligent network connection control module; the intelligent network connection control module comprises a controller; the controller is used for adjusting the valve opening degree of the ball valve body. The pressure and the flow of the valve outlet can be more accurately controlled, and electric power can be provided for the intelligent network connection ball valve.

The invention discloses a turning device for an electronic control valve of an automobile refrigeration compressor, and belongs to the field of metal processing.The turning device comprises a machine tool, a through rotating groove is formed in the upper surface of the machine tool, the front end of the rotating groove extends to the front surface of the machine tool, a part base is arranged in the rotating groove, and first motors are fixed to the left side and the right side of the machine tool correspondingly; two sliding ways are formed in the front surface of the machine tool, an output shaft of the first motor penetrates into the sliding ways and is fixedly provided with a screw rod, and the outer surface of the screw rod is in threaded connection with a telescopic frame. The machining efficiency is greatly improved, the time needed for machining a single part is shortened, the production yield is increased, the requirement for large-scale production is met, the part base is driven by the motor to turn over, and machining at different angles is achieved.

A fuel injector in a fuel system having a first fuel supply of a first fuel and a second fuel supply of a second fuel includes a multifunctional control valve movable in the fuel injector to control admission of the first fuel to a combined-fuel outlet passage, and to control a timing and an injection pressure of a fuel charge containing the first fuel. In an embodiment the first fuel includes a compression-ignition fuel such as diesel and the second fuel includes an alcohol fuel such as methanol. Related apparatus and methodology is disclosed.

The invention relates to the technical field of gas waste heat utilization, and discloses a gas waste heat utilization method and system based on artificial intelligence. The method comprises the steps that sensor parameters of the gas extraction system are collected in real time and processed, and a standardized data set is obtained; the standardized data set is input into a fusion convolution Transform neural network for analysis modeling, and a gas waste heat prediction model is obtained; performing decision analysis on gas waste heat utilization based on the gas waste heat prediction model and a preset expert knowledge base to obtain a control strategy; and performing parameter regulation and control on a heat exchanger, a waste heat boiler, a circulating pump and control valve equipment according to the control strategy to obtain a gradient utilization execution scheme. The gas waste heat recovery strategy is dynamically adjusted, and the safety of the system is guaranteed while it is ensured that gas waste heat is efficiently recovered.

The invention provides a boiler master control system, a pressure adjusting method, electronic equipment and a storage medium. The system comprises a signal acquisition module, a differential control module, a pressure deviation adjusting loop and an instruction dynamic compensation loop. Compared with the prior art, according to the embodiment of the invention, the differential action intensity is calculated by utilizing the load change signal, the control valve action signal and the main steam pressure signal, so that the first coal quantity adjustment signal is accurately generated. Load change and pressure fluctuation can be responded in time, it is ensured that the coal quantity is adjusted more accurately, and boiler efficiency fluctuation or fuel waste caused by too much or too little coal quantity is avoided. The pressure deviation adjusting loop performs adjustment based on the deviation of the main steam pressure signal, so that the stability of coal quantity control is further improved; the instruction dynamic compensation loop can effectively predict and adjust the coal quantity according to the dynamic change of the boiler load, the parameters of the unit heat energy storage and the boiler capacity input rate so as to adapt to the dynamic change of the boiler load and capacity.

The invention discloses a two-phase immersed liquid cooling liquid level intelligent dynamic regulation and control system and method, and relates to the technical field of liquid cooling intelligent processing. The two-phase immersion type liquid cooling liquid level intelligent dynamic regulation and control method comprises the steps that S1, state observation data, execution control data and log data in the liquid cooling liquid level regulation and control process are collected and preprocessed, and a standardized liquid cooling state data set is constructed; s2, the synchronism of the evaporation strengthening trend is evaluated, and the opening degree of an electronic control valve is adjusted; s3, analyzing a control feasible region under gas-liquid balance constraint, and optimizing the working mode of the two-way pump; and S4, the consistency of the feedback trend and the rolling decision is analyzed, and the circulating flow of the cooling coil and the heat exchange intensity of the condenser are adjusted. The problems that when power consumption of an existing two-phase immersion liquid cooling system changes dramatically, due to lag control of a single sensor and lack of multi-dimensional data prediction, evaporation and liquid supplementing actions are prone to being mismatched, and liquid level decline, pressure abnormity and chip dry burning are caused are solved.

A dual shower head apparatus, includes an adjustment rod and a shower head assembly. The adjustment rod includes a supporting rod and adjustment components. At least one end of the supporting rod threadedly matched with the adjusting assembly is provided with the adjustment component. The adjusting assembly is capable of axially moving relative to the supporting rod to adjust the length of the adjustment rod; and the supporting rod is configured as a hollow structure. The shower head assembly includes a first shower head, a second shower head, a first connection pipe, a second connection pipe and a control valve. The control valve is provided with three connection ends that respectively connect to the first shower head, the first connection pipe and an external water source. The first connection pipe and the second connection pipe are connected through the hollow structure of the supporting rod.

The invention discloses a thermal management system and a vehicle. The thermal management system comprises a battery cooler, a refrigerant loop and a cooling water loop. The battery cooler is connected with the refrigerant loop and the cooling water loop and is used for carrying out heat transfer between the refrigerant loop and the cooling water loop; the cooling water loop comprises a warm air loop, a battery heat management loop, an electric drive cooling loop, a radiator loop, a first control valve and a second control valve; the first control valve is connected with the second control machine valve, the refrigerant loop, the warm air loop, the battery heat management loop, the electric drive cooling loop and the radiator loop; the first control valve and the second control valve are matched to be used for switching communication modes among the refrigerant loop, the warm air loop, the battery heat management loop, the electric drive cooling loop and the radiator loop, and heat transfer in different modes is carried out among the refrigerant loop, the warm air loop, the battery heat management loop, the electric drive cooling loop and the radiator loop in different temperature environments. The structure of the thermal management system is simplified, and cost is reduced.

The invention belongs to the technical field of filtering equipment, and particularly relates to a candle filter which comprises a filtering tank, filter element pipes are arranged in the filtering tank and connected with a liquid collecting pipe, a scraping plate is arranged on the inner wall of the filtering tank in a sliding mode, a plurality of cake scraping mechanisms are arranged on the scraping plate, each cake scraping mechanism is provided with a plurality of scraping plate holes, and the scraping plate holes correspond to the filter element pipes in a one-to-one mode. The diameter of the scraper hole is larger than the outer diameter of the filter element pipe, the filter element pipe penetrates through the scraper hole, a scraper assembly is arranged in the scraper hole, a first liquid inlet is formed in the bottom of the filtering tank, a second liquid inlet is formed in the upper end cover, and the first liquid inlet is connected with a stock solution tank and a waste liquid tank through a pipeline provided with a first electric control valve; and the second liquid inlet is connected with the stock solution tank and the waste liquid tank through a pipeline provided with a second control valve. According to the candle filter provided by the invention, the scraper assembly can scrape off the outer wall of the filter cake layer in the filtering process, so that the filter cake layer is always in the optimal filtering effect range, the filtering effect is ensured, and meanwhile, the filtering efficiency is also improved.

The invention provides a thermal behavior experiment system and method under a narrow rectangular channel reflooding cooling condition. The system comprises a heating water storage tank, a nitrogen tank, a steam tank, a shield pump, a preheating section, a first direct-current power supply, a second direct-current power supply, a narrow rectangular channel test section, a steam-water separator, a surge tank, a flow control valve, a silencer and an electromagnetic valve. The experimental working medium is deionized water, and re-submerging cooling experiments under different system pressures, working medium supercooling degrees, heating wall surface heat flux densities, working medium submerging speeds, heating wall surface initial temperatures and channel interior initial liquid levels can be carried out on an experimental section of a narrow rectangular channel structure. The device is suitable for narrow rectangular channel structures with different sizes, and can be used for carrying out re-submerging experiments on experiment sections with single-plate double-channel, double-plate three-channel and more channels. The system pressure and the inlet flow in the submerging process can be kept stable, and it can be ensured that the supercooling degree of a working medium, the heating wall surface temperature and the initial liquid level are controllable.

To provide a technology for stably supplying a gaseous material to a processing space.SOLUTION: A material monitoring system includes multiple containers configured to store materials, a flow controller that controls the flow rate of the materials supplied to a processing space where a processing target is arranged by adjusting the opening degree of a control valve, multiple pipes that are respectively connected between the flow controller and the multiple containers, multiple opening / closing valves each provided in each of the multiple pipes, and a control unit configured to supply the material from one of the multiple containers to the processing space via the flow controller when the opening degree of the control valve of the flow controller does not reach a preset threshold value and to supply the material from two or more of the multiple containers to the processing space via the flow controller while setting an opening / closing valve provided between another container than the one container and the flow controller to an opening state when the opening degree of the control valve of the flow controller reaches the threshold value.SELECTED DRAWING: Figure 5