40 results about "Pressure tuning" patented technology

The invention relates to the technical field of pressure control, in particular to a dynamic pressure control system and method of a strapping machine. The method comprises the following steps: acquiring information data of an object to be bundled; performing three-dimensional modeling on the to-be-bundled object information data to generate three-dimensional modeling data of the to-be-bundled object; binding mode confirmation is conducted on the binding machine according to the three-dimensional modeling data of the to-be-bound object, binding mode data are obtained, and the binding mode data comprise a single-layer binding mode and a multi-layer binding mode; initial strapping pressure setting is carried out on the information data of the to-be-strapped object based on the single-layer strapping mode, and single-layer strapping initial pressure data is obtained; and carrying out object deformation binding pressure adjustment on the single-layer binding initial pressure data to generate single-layer binding pressure adjustment data. Through three-dimensional modeling, dynamic pressure adjustment and a feedback control mechanism, the intelligence and precision of dynamic pressure control of the strapping machine are improved.

The utility model discloses a polishing head structure and polishing head drive device, wherein the polishing head structure includes bearing piece, flexible film and N pressure adjustment subassembly, N > = 2, the bearing piece includes side plate and transverse plate, side plate encloses to form the hollow cavity, transverse plate cover is provided the hollow cavity one side, flexible film and side plate inner side wall fixed connection, and the pressure adjustment subassembly is provided with the pressure adjustment subassembly. The flexible film is provided with a first surface and a second surface which are oppositely arranged, and the first surface is suitable for being attached to a to-be-polished part; any pressure adjusting assembly comprises at least one piezoelectric actuator and at least one pressure detection piece, the piezoelectric actuators are distributed on the second surface, the pressure detection pieces are located between the piezoelectric actuators and the flexible film, and the pressure detection pieces are used for obtaining pressure information generated by the corresponding piezoelectric actuators on the flexible film. Through cooperative use of the piezoelectric actuator and the pressure detection piece, the accuracy of the value of the pressure applied to the flexible film is improved, so that the planarization effect of the wafer is improved.

The invention discloses an alpine region track frog welding auxiliary device and an operation method, and belongs to the technical field of track welding, the alpine region track frog welding auxiliary device comprises a chassis and an electric push rod A mounted on the chassis, and further comprises a polishing mechanism, a positioning mechanism, a locking mechanism and a control system which are electrically connected with a controller mounted on the electric push rod A, and the alpine region track frog welding auxiliary device comprises a data acquisition module and a data processing module, the data acquisition module is used for acquiring grinding wheel state data and grinding state data; the grinding wheel state evaluation module adjusts the rotating speed of the grinding wheel; the polishing state evaluation module outputs a polishing state coefficient; the polishing pressure evaluation module is used for outputting a pressure coefficient and pressure adjustment information; the pressure regulation and control module is used for constructing a pressure target model according to the current polishing pressure information and the pressure coefficient, outputting target polishing pressure according to the pressure regulation information and regulating the polishing pressure to the target polishing pressure; according to the invention, the waist of the steel rail can be accurately polished before flash welding of the rail frog.

The invention relates to a conduit assembly (70) for a system (1, 101) for semiconductor technology, comprising at least one elastic fluid conduit section (76) for conveying a fluid (40, 79) at a nominal operating line pressure and a casing (75, 78) surrounding the elastic fluid conduit section (76), wherein the casing (75, 78) and the elastic fluid conduit section (76) are connected to each other via at least one connecting adapter (74.1, 74.2) and / or at least one conduit connection (73.1, 73.2) of the conduit assembly (70). The casing (75, 78), the elastic fluid conduit section (76), and the at least one connecting adapter (74.1, 74.2) and / or the at least one conduit connection (73.1, 73.2) enclose a pressurized gas space (77).The invention is characterized in that the pressure in the gas space (77) is configured such that the elastic fluid line section (76) exhibits a maximum permissible expansion or contraction of less than 60%, preferably less than 30%, and particularly preferably less than 15%, during operation. Furthermore, the invention relates to a system for semiconductor technology (1, 101) with a line assembly (70) according to one of the described embodiments. The invention further relates to a method for adjusting the pressure in a line assembly (70) according to one of the described embodiments. The method comprises the following steps: - Determination of the nominal operating line pressure, - Determination of the corresponding pressure in the gas space (77) based on the maximum permissible expansion or contraction of the fluid line section (76), - Adjusting the determined pressure in the gas space (77).

The utility model relates to a water transfer mechanism of a printing dampening device, which is characterized in that a water source roller drives a first gear, a water transfer roller drives a second gear, the water source roller is connected to a water transfer clutch movable support, a transition transmission gear set and a pressure regulating swing arm are arranged on the water transfer clutch movable support, and the water transfer roller is connected to the pressure regulating swing arm. An output transition gear of the transition transmission gear set is in meshing transmission connection with the second gear, the swing axis of the pressure adjusting swing arm and the axis of the output transition gear are coaxially arranged, and the first gear is in transmission connection with the transition transmission gear set. When the leaning pressure of the water source roller and the water conveying roller needs to be adjusted or the water source roller and the water conveying roller are abraded and need to be adjusted, the pressure adjusting swing arm rotates around the center of the pressure adjusting swing arm to a proper position, so that the pressure between the water source roller and the water conveying roller is proper; after adjustment, the first gear, the transition transmission gear set and the second gear can keep a normal meshing transmission relation all the time, transmission and water transmission stability is ensured, and vibration and shaking are reduced or even avoided.

The utility model relates to the field of motor component detection, and discloses a low-vibration motor rotor dynamic balance detection mechanism which comprises a base, a transmission mechanism is arranged on the base, and a pressure adjusting mechanism is arranged on the transmission mechanism. The pressure adjusting mechanism comprises a mounting plate, a moving frame, an electric push rod, a connecting plate, a moving block, a roller, a pressure sensor and a plurality of limiting rods, the moving frame is fixedly mounted at the bottom end of the mounting plate, and the electric push rod is fixedly mounted on the mounting plate and extends into the moving frame; according to the utility model, the pressure adjusting mechanism is arranged, the mounting plate is mounted on the second connecting rod, and the electric push rod and the moving frame are mounted on the mounting plate, so that when the transmission belt presses the outer wall of the rotor, the moving block retracts under pressure, one end of the pressure sensor presses the connecting plate, and detection is carried out through the pressure sensor; the pressure borne by the inner ring of the transmission belt can be detected, the contact force between the transmission belt and the rotor can be adjusted more visually, and proofreading is more convenient.

The invention relates to the technical field of hot-rolled strip steel production, in particular to a method for automatically controlling the pressure balance of a coiler in-place system, which comprises the following steps: after strip steel enters finish rolling, a coiler guide ruler performs final opening degree setting, the strip steel enters a guide ruler control area, double-side guide rulers perform short-stroke clamping, and after a position control side is in place, position setting is kept unchanged. The strip steel is clamped in a position control mode, the pressure setting is kept unchanged after the pressure control side is in place, the strip steel is clamped in a pressure control mode, the stress of a guide ruler body exceeds the limit a * F of an adjustment starting control point, and the value of a safety coefficient is 0.85-0.95; reducing the pressure setting of the pressure control side according to the deviation proportion, controlling the transverse position fluctuation of the strip steel in the guide ruler area to be 5-10mm, setting a pressure adjustment starting initial point, and setting the adjustment limit of the pressure control side; the strip steel can stably enter the coiling machine for production, the coiling quality is good, waste products and residual materials are reduced, and the yield is increased.

The invention discloses a liquid cooling system and a pressure control method thereof. The pressure control method comprises the following steps: acquiring a real-time environment temperature, a real-time input side temperature and a real-time input side pressure; when the liquid cooling system enters a first liquid supplementing state, the real-time input side temperature and the real-time environment temperature are compared to confirm the initial expansion temperature; calculating a real-time temperature difference value between the real-time input side temperature and the initial expansion temperature; the real-time input side pressure is compared with a preset input pressure threshold value, the real-time temperature difference value is compared with a preset temperature difference threshold value, and the working state of the pressure adjusting mechanism is adjusted according to the comparison result; according to the method disclosed by the invention, through real-time monitoring and dynamic adjustment, the system pressure of the liquid cooling system is always maintained in a suitable operation interval; and meanwhile, the demand on the volume of the expansion tank is remarkably reduced by actively adjusting the pressure, so that the overall volume of the liquid cooling system is effectively reduced, the material cost and the manufacturing cost are directly reduced by reducing the volume demand of the expansion tank, and the market competitiveness of the product is improved.

The invention discloses an explosion-proof membrane testing system and method for a transformer, and belongs to the technical field of explosion-proof membrane detection. The system comprises a control module, a pressure adjusting module, a temperature adjusting module, a vibration table and a testing container; the test container is arranged on the vibration table, and the test container is used for placing at least one explosion-proof membrane to be tested; the control end of the control module is connected with the controlled end of the pressure adjusting module, the controlled end of the temperature adjusting module and the control end of the vibration table. An air outlet of the pressure adjusting module is connected with the testing container, and the temperature adjusting module is arranged in the testing container. Through the pressure adjusting module, the temperature adjusting module and the vibration table, coupling of a pressure factor, a temperature factor and a vibration factor can be achieved, aging tests of the explosion-proof membrane under multiple environmental factors can be completed, and therefore the anti-aging performance of the explosion-proof membrane can be effectively tested.

The utility model discloses a pressure adjusting device of a portable self-connection filtering pressure reducing valve. The pressure adjusting device comprises a base, a left air cylinder, a right air cylinder, an interface assembly, a plugging part, an air cylinder control switch, a test control switch and a pressure detection device, the left air cylinder and the right air cylinder are respectively arranged on two different sides of the base; the air source is connected with the left air cylinder and the right air cylinder through the air cylinder control switch; the air source is connected with the left air cylinder through the test control switch; the left air cylinder is connected with the plugging part through the connector assembly, and the right air cylinder is connected with the plugging part through the connector assembly. And the right air cylinder is connected with the pressure detection device. According to the working principle of the filter pressure-reducing valve, the hose, the base left air cylinder, the base right air cylinder, the interface assembly, the plugging part, the air cylinder control switch, the test control switch and the pressure detection device are designed, so that the pressure adjustment and inspection of the filter pressure-reducing valve do not need to be carried out on a specified comprehensive test bed test, the pressure adjustment is more convenient, and the test efficiency is improved. And the inspection time can be reduced.

The invention discloses a control method of an exhaust-free pressure cooker, and belongs to the technical field of cooking process control, and the method comprises the following steps: starting a pressure adjustment stage when a first preset time is left in a pressure maintaining cooking stage; in the pressure adjusting stage, a heating device in the pressure cooker is turned off, and second preset time for turning on a pressure reducing device is determined according to at least one currently detected cooking parameter, so that when the pressure adjusting stage is finished, at least one cooking parameter reaches a preset pressure reducing condition, and a pressure reducing cooking stage is started; at the pressure reduction cooking stage, the at least one cooking parameter is reduced from a preset pressure reduction condition to a normal pressure condition, so that the pressure cooker can be normally uncovered after pressure reduction is finished. According to the method, the user can normally open the cover when the countdown of the cooking process is finished.

The utility model relates to the field of chip testing, in particular to a pressure-adjustable testing module, and adopts the technical scheme that the pressure-adjustable testing module comprises a testing seat, a plurality of placement tables which are arranged on the testing seat and are used for loading chips, a testing assembly which is arranged on the testing seat and is used for detecting the chips, and a driving device which is used for driving the testing assembly to move up and down, the pressure proportional valve is electrically connected with the controller, the pressure adjusting air cylinder is electrically connected with the pressure proportional valve, and the piston end of the pressure adjusting air cylinder is connected with the testing assembly. According to the invention, the test pressure can be adjusted according to the pressure required by chip detection, and the practicability and adaptability of the test module are improved.

Problem: In a hydraulic system in which a manual line relief valve that adjusts the relief setting pressure is arranged in the line relief oil path formed by branching from the actuator line from the control valve to the hydraulic actuator, the relief setting pressure adjustment operation of the line relief valve can be performed independently with good accuracy. Solution: A controller 20 for controlling a perform of a relief setting pressure adjustment operation of a line relief valve 25 is provided with a pump flow control means that controls the pump flow rate during the relief setting pressure adjustment operation, an instruction command output means 54 that instructs a perform of the relief setting pressure adjustment operation by a manual operation, and a notification command output means 55 that notifies that the pump pressure detected by a pressure sensor 31 during the relief setting pressure adjustment operation is within a predetermined range of the target relief setting pressure.

This invention discloses a device and method for adjusting and controlling grinding pressure. By attaching a pressure sensing element to the grinding head, the device acquires the first and second output pressures of multiple pressure zones on the grinding head. The first output pressure corresponds to the initial input pressure of the multiple pressure zones, and the second output pressure corresponds to the adjusted input pressure of the multiple pressure zones. A control module determines the adjustment ratio of the output pressure of the multiple pressure zones based on the measured thickness of the multiple process zones on the grinding object corresponding to the multiple pressure zones. The initial input pressure of the multiple pressure zones is then adjusted to the target input pressure, ensuring that the rate of change of the second output pressure relative to the first output pressure matches the adjustment ratio. Mass production grinding is then performed using the target input pressure. This allows for more accurate adjustment of the pressure in each area, achieving optimal flattening, improving pressure adjustment efficiency, and reducing the risk of adjustment errors.

The utility model relates to the technical field of copper pole processing especially, it is a kind of copper pole straightening pressure adjusting device, it has accurate pressure adjustment, real-time monitoring automatic control function;Including: rack, for bearing component;Straightening mechanism, set up on rack, straightening mechanism includes multiple straightening rollers, multiple straightening rollers are arranged staggeredly up and down, for straightening copper pole;Pressure adjusting mechanism is connected with straightening mechanism, and pressure adjusting mechanism includes electric push rod and pressure sensor, electric push rod is installed on rack, one end of pressure sensor is installed on electric push rod output end, and straightening roller is installed on the other end of pressure sensor;Control unit is electrically connected with pressure pressure sensor and electric push rod, and control unit is according to the pressure signal of pressure sensor feedback, controls the telescopic of electric push rod.

Processing chamber exhaust systems and methods of controlling pressure within a processing chamber. The processing chamber exhaust systems includes a throttle valve disposed along an exhaust line extending from the processing chamber, a check valve upstream the throttle valve, and a purge line with a purge valve for supplying an inert gas to the exhaust line downstream the check valve and upstream the throttle valve. Methods of controlling pressure within the processing chamber comprise opening the throttle valve to varying extents and controlling the purge valve to control flow of inert gas to adjust pressure within the processing chamber.

The invention discloses an aerated concrete block production pressure intelligent regulation and control method and system, and relates to the technical field of intelligent control. The method comprises the steps that slurry is injected into a forming mold, meanwhile, a pressure sensor array is activated to conduct data collection, and a pressure data array sequence is obtained; calling a temperature sensor and a flow sensor to perform synchronous sensing in combination with a timestamp to obtain a temperature data sequence and a flow data sequence which are synchronously mapped; carrying out reaction stage identification, and determining a first reaction stage; and based on the pressure regulation and control target of the first reaction stage, optimizing and adjusting the current real-time pressure control parameter, determining a target pressure adjustment parameter, and regulating and controlling the production pressure according to the target pressure adjustment parameter. The technical problem that in the prior art, in the aerated concrete block production process, dynamic pressure regulation and control are difficult according to the reaction stage, and consequently the block quality is unstable is solved, and the technical effects that intelligent pressure regulation and control are achieved based on the reaction stage, and the block forming quality is improved are achieved.

The invention relates to a device and a method for adjusting pressure sensor data. In accordance with various embodiments of the present disclosure, an apparatus is provided that includes a pressure sensor, an accelerometer, and a controller. The controller is configured to determine a tilt angle of the device, receive an unadjusted pressure value from the pressure sensor, determine a pressure adjustment value based on (a) the tilt angle and (b) slope values of pressure test data taken at a first test angle and at a second test angle different from the first test angle, and determining an adjusted pressure value by adding the determined pressure adjustment value to the received unadjusted pressure value.

The invention discloses a high-temperature-resistant frequency modulation radar level meter, and particularly relates to the technical field of radar level meters, the high-temperature-resistant frequency modulation radar level meter comprises a radar level meter main body, a flange plate is arranged at the outer end of the radar level meter main body, the flange plate is mounted on a container, and a pressure-resistant heat insulation pipe is arranged at the bottom end of the flange plate; an antenna part of the radar level meter body extends downwards into the pressure-resistant heat insulation pipe, a conversion barrel is fixedly arranged at the bottom end of the pressure-resistant heat insulation pipe, a left end cover and a right end cover are arranged on the two sides of the conversion barrel respectively, and an external channel is fixedly arranged at the bottom end of the conversion barrel. The conversion cylinder is driven to rotate, the position of the communicating pipe is adjusted according to the temperature and pressure in the container, on the basis that high temperature and high pressure can be tolerated, the light and thin tempered glass plate is selected as much as possible, blocking of the tempered glass plate to pulses is reduced while the radar level meter body is protected, and the pulse efficiency is improved.

Methods, systems, and apparatuses for combining pressure measurement with a dynamic system model to estimate the air mass within an actuator, and then estimate the applied contact force which may be based on a quasi-static deformation model. An example method includes, in response to a request to apply a contact force by an actuator at a first actuator pressure, determining a second actuator pressure for the actuator to apply the contact force. The contact force is generated using one or more components of a haptic assembly, and the second actuator pressure is determined based on one or more of properties of the components of the haptic assembly and pressure data obtained via one or more sensors. The example method further includes causing the haptic assembly to adjust the first actuator pressure to the second actuator pressure such that the actuator applies the contact force.

The invention discloses an SMA-driven hydrocephalus diverter valve, a pressure adjusting method and a pressure reading tool. Relates to the field of medical instruments. The wireless function is used for driving the SMA wire to realize stage dynamic adjustment, so that the difference of manual operation is avoided, and the adjustment precision is improved. The valve comprises an upper end cover, a valve body and a lower end cover, a ratchet wheel and pawl mechanism driven by an SMA wire is arranged in an upper valve cavity, and a cam groove is formed in a ratchet wheel rotor in the ratchet wheel and pawl mechanism; the SMA wire is connected with the circuit board; a bow-shaped spring mechanism is further arranged in the upper valve cavity, the tail end of a bow-shaped spring is fixedly connected to the outer wall of the pivoting sleeve, the head of the bow-shaped spring abuts against the hollow titanium ball, and an included angle alpha is formed between the bow-shaped spring and the supporting rod. The technical tradition that pressure adjustment depends on manual work in the field all the time is broken through. An SMA wire is boldly introduced to serve as an adjusting execution part. According to the invention, the requirement on manual operation is reduced, the current situation of dependence on the experience of an operator is overcome, and high-precision pressure adjustment can be realized.

The invention discloses an active pressure maintaining method and device for an engine cooling system, and the method comprises the steps: obtaining pressure data and temperature data in the cooling system through a sensor, and obtaining a current pressure value and a current temperature value; and determining an initial state evaluation result of the cooling system according to comparison of the current pressure value and the current temperature value with a preset pressure threshold value and a preset temperature threshold value. And if the initial state evaluation result is that the pressure is abnormal, dry gas is injected into the cooling system through a gas injection module, and feedback data of a pressure sensor is obtained until a pressure adjustment value meeting a first preset pressure range is obtained. After the dry gas is injected, feedback data of the pressure sensor are continuously obtained, and the pressure stability state is judged based on the change trend of the feedback data. Therefore, the pressure can be dynamically regulated and controlled, the system stability is improved, the failure rate is reduced, and the cooling efficiency is optimized.

This invention discloses a precise calibration method and apparatus for pressure sensors, belonging to the field of fluid pressure measurement. The method includes: providing a calibration system comprising a reference tank, on which a reference device and a pressure sensor to be calibrated are mounted; the inlet of the reference tank is connected to a gas source, and the outlet is connected to a standard leak; adjusting the pressure inside the reference tank to the upper or lower limit of the pressure range to be calibrated; opening the channel from the outlet of the reference tank to the standard leak, allowing the pressure to change slowly through the standard leak; during the pressure change process, reading the pressure value of the reference device in real time and writing it correspondingly to the sensor being calibrated, achieving continuous calibration. The pressure change process is controlled according to the formula ΔP=(Q * t) / V, where V is the volume of the reference tank, Q is the leakage rate of the standard leak, t is the leakage time, and ΔP is the pressure change. This invention utilizes the continuity of pressure changes caused by leakage from the standard leak to achieve automatic, continuous, and precise control of the pressure point for pressure sensor calibration. It can perform high-density data acquisition and curve fitting for any range of the sensor, significantly improving calibration accuracy, and the apparatus is simple and low-cost.

The invention discloses a variable-frequency heat pump unit and a control method and device thereof, a storage medium and a computer program product, and the method comprises the steps that a high-pressure pressure threshold value and a high-pressure protection pressure threshold value of a compressor are controlled according to a block diagram of the compressor, and the high-pressure pressure range of the compressor is determined; after the variable frequency heat pump unit is powered on and the compressor is started, the current high pressure of the compressor is obtained, and the current frequency of the compressor is obtained; and according to the current high-pressure pressure of the compressor and the high-pressure pressure range of the compressor, the current frequency of the compressor is controlled, so that the current high-pressure pressure of the compressor is adjusted to be within the high-pressure pressure range of the compressor. According to the scheme, the high-pressure pressure threshold value and the high-pressure protection pressure threshold value are controlled according to the block diagram of the compressor to determine the high-pressure pressure range, and control such as frequency limiting and frequency reduction is carried out on the current frequency of the compressor, so that the high-pressure pressure of the compressor is controlled within the set reasonable pressure range, and the reliability and safety of unit operation are improved.

The invention relates to the field of equipment state detection, and discloses a method and equipment for detecting the operation state of pot bottom embossing equipment, and the method comprises the steps: obtaining a first pressure value for embossing a horizontal region of a pot bottom, and a second pressure value for embossing a side wall region of the pot bottom; determining a difference value between the first pressure value and the second pressure value as a pressure difference value; when the second pressure value is smaller than a preset second pressure value, a second pressure adjustment value is increased for the second pressure value; when the pressure difference value is smaller than the preset pressure difference value, a first pressure adjustment value is increased for the first pressure value; when the first pressure value is larger than a preset first pressure threshold value, the pressure value of the first pressure value is reduced according to a first proportion value, and the pressure value of the second pressure value is reduced according to a second proportion value; wherein the first proportion value is greater than the second proportion value. The knurling process of the side wall and the bottom of the pot body can be detected, and the knurling quality is improved.

The utility model relates to the technical field of pressure maintaining equipment of an industrial production system, in particular to a double-flow-direction pressure maintaining device which is reasonable in structure, easy and convenient to operate, capable of guaranteeing that pressure in the system is stable and accurate in adjustment and capable of solving the problems that the pressure of the system fluctuates drastically in the existing pressure adjusting process and the like. The compressed air main pipeline is provided with a first pressure transmitter used for detecting the pressure of a first pressure maintaining system pipeline, a second pressure transmitter used for detecting the pressure of a second pressure maintaining system pipeline, a first manual cut-off valve close to the first pressure maintaining system side and a second manual cut-off valve close to the second pressure maintaining system side. The servo adjusting valve is located between the first manual block valve and the second manual block valve, the control assembly comprises a PLC, a state indicator lamp and a display panel, and compared with the prior art, the automatic control device has the remarkable advantages of being reasonable in structure, reliable in work, easy and convenient to operate and the like.

The invention relates to the technical field of equipment control, and discloses an expiration detection equipment control method and device, equipment and a storage medium. The method is applied to a coupling control module in expiration detection equipment, the expiration detection equipment further comprises a temperature control module and a pressure control module, and the method comprises the steps that temperature change information of the temperature control module and pressure change information of the pressure control module are obtained; determining a pressure disturbance variable and pressure control auxiliary information according to the temperature change information, and performing pressure adjustment through a pressure control module based on the pressure change information, the pressure disturbance variable and the pressure control auxiliary information; and according to the pressure change information, determining a temperature interference variable and temperature control auxiliary information, and performing temperature adjustment through a temperature control module based on the temperature change information, the temperature interference variable and the temperature control auxiliary information. Measurement fluctuation caused by temperature and pressure coupling is reduced, and the measurement accuracy of the expiration detection equipment is improved.

The invention belongs to the technical field of gas phase state monitoring, and relates to an experimental system and an experimental method for monitoring phase state change of to-be-detected gas, the experimental system comprises: a reaction kettle which is provided with an inner cavity for accommodating the to-be-detected gas and is provided with an observation window for observing the inside of the reaction kettle; the monitoring assembly is arranged towards the observation window and is used for monitoring a phase state change image in the reaction kettle in real time; the temperature adjusting mechanism is mounted on the reaction kettle and is used for adjusting the temperature of the inner cavity; the pressure adjusting mechanism is connected with the reaction kettle and is used for adjusting the air pressure of the inner cavity; the gas conveying assembly is communicated with the reaction kettle and is used for conveying to-be-detected gas to the inner cavity; the processing module is in communication connection with the pressure adjusting mechanism, the temperature adjusting mechanism and the monitoring assembly, and the processing module is used for obtaining the phase state change trend of the to-be-detected gas according to the phase state change image, the temperature and the air pressure. By adopting the experimental system, the phase state change condition in the reaction kettle can be accurately monitored, and the phase state change trend can be obtained.

The invention discloses assembling equipment and a pressure adjusting method and device thereof, and relates to the technical field of automatic precision assembling. The assembling equipment comprises a proportional valve, an air cylinder and an assembling suction pen, the proportional valve communicates with the input end of the air cylinder through an air pipe, the output end of the air cylinder is mechanically connected with the assembling suction pen, and the proportional valve is used for adjusting the pressure output to the air cylinder so as to adjust the assembling pressure applied by the assembling suction pen to a to-be-assembled target; the pressure adjusting method of the assembly equipment comprises the following steps: acquiring a pressure compensation coefficient; acquiring target assembly pressure of the to-be-assembled target in real time; and according to the pressure compensation coefficient and the current target assembling pressure, the pressure output to the air cylinder through the proportional valve is adjusted, so that the current assembling pressure applied to the to-be-assembled target by the assembling suction pen is adjusted to be the current target assembling pressure. The pressure output to the air cylinder through the proportional valve is dynamically adjusted according to the pressure compensation coefficient and the current target assembly pressure, and the precision and stability of pressure adjustment of the assembly equipment are improved.

To provide a conveying device that can convey a wafer while holding an outer periphery part thereof, while preventing a center part of the wafer from hanging down.SOLUTION: In a conveying device 70, which conveys a wafer W from a first position to a second position by making a conveying pad 71 suction and hold the wafer, ring-shaped suction parts (an annular convex part 71A and a suction groove 71a formed on the convex part) which suction an outer periphery part on an upper surface of the wafer W, a circular concave part 71B inside the suction parts and a pressure adjustment port 82 opening to the circular concave part 71B are formed on a lower surface of the conveying pad 71, and also a pressure gauge 85 and a pressure adjustment valve V are arranged in a communication path (piping 83) through which the pressure adjustment port 82 is communicated with a suction source 86. The conveying device is provided with a control part 110 that when conveying the wafer W by making the suction parts suction and hold the wafer W, controls the pressure adjustment valve V so that a pressure of the circular concave part 71B blocked by the wafer W is set to a value at which downward force and upward force acting on the wafer W become equal to each other.SELECTED DRAWING: Figure 6