27 results about "Pressure tuning" patented technology

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 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.

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 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 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 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.

The invention provides a pilot-operated type pressure adjusting valve, which can suppress rapid pressure variation of a pressure sensing part without complicated processing and improve reliability. The present invention is provided with: a main valve part (100a) having a pressure fluctuation buffer mechanism; a pilot section (200a) having a pressure sensing section (251); and a fluid path that connects a pressure equalizing port (113) and a main valve port (112) in the main valve section to a pilot inflow port (211) and a pilot valve port (231a) in the pilot section, respectively, and the pressure fluctuation buffer mechanism forms a circumferential extension gap (Gc) between a main valve body (140) and a main valve guide hole (105b) in the main valve section. The main valve chamber (125) and the back pressure chamber (105c) are always in communication with the pressure-sensitive part housing chamber (216) only via the circumferential extension gap. As a result, it is possible to eliminate a conventional problem that the durability of the pressure-sensitive section is reduced due to pressure fluctuations in the primary side pressure.

The invention discloses a near-field resonance induction pressure sensor based on a microwave complementary interdigital resonator. According to the sensor, on the basis of the idea that pressure information response and pressure information generation are isolated from each other, near-field multi-resonance pressure tuning of the microwave complementary interdigital resonator based on strain displacement response of the metal pressure sensing diaphragm is achieved by introducing the metal sensing sheet and the metal pressure sensing diaphragm. Therefore, the monitoring pressure information can be quickly acquired by reading the resonance characteristic parameters of the sensor in real time. Specifically, the pressure induction strain displacement of the metal pressure induction diaphragm realizes the loading regulation and control of the metal induction sheet through the conduction slender rod, thereby realizing the pressure regulation and control of the loading state of the metal induction sheet and the pressure regulation and control response of the near-field multi-resonance characteristic of the microwave complementary interdigital resonator. In addition, the mutually isolated pressure resonance response sensing mode is generated based on the pressure information response and the pressure information, and the sensor is endowed with the flexible sensing structure customization selection characteristic based on the pressure sensing requirement.

In accordance with various embodiments of the present disclosure, a device is provided that comprises 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) a slope value of pressure test data taken at a first test angle and at a second test angle different than the first test angle, and determine an adjusted pressure value by adding the determined pressure adjustment value to the received unadjusted pressure value.

The utility model relates to the technical field of vibration test equipment, in particular to an amplitude-adjustable electromagnetic vibration table, which comprises a base, a vibration table is arranged at the top of the base, a transverse support plate is arranged at the upper end in the base, and a plurality of guide columns movably inserted on the transverse support plate are uniformly arranged at the bottom of the vibration table. The outer portions of the guide columns are sleeved with spring supporting assemblies, the lower ends of the guide columns are integrally sleeved with a regulation and control plate, the top of the regulation and control plate is provided with a plurality of abutting blocks corresponding to the bottom ends of the spring supporting assemblies in a one-to-one mode, and the regulation and control plate and the abutting blocks jointly form a plurality of sets of pressure adjusting mechanisms of the spring supporting assemblies. A driving mechanism composed of an air cylinder, a linkage piece and a pressure sensor is arranged below the pressure adjusting mechanism. According to the electromagnetic vibration table capable of adjusting the amplitude, direct and accurate control of the amplitude is realized, the test stability and accuracy are improved, and the adaptability of equipment to different application scenes is enhanced.

A work machine has a pressure adjusting device capable of adjusting a driving pressure of a swing hydraulic motor and a controller that controls the pressure adjusting device. The controller calculates a target pressure of the swing hydraulic motor based on a speed deviation of the target speed of the swing hydraulic motor calculated from an operation signal of an operation device and an actual driving speed of the swing hydraulic motor detected by a speed sensor, limits the target pressure as a calculation result so that an estimated input horsepower to the swing hydraulic motor when an imaginary driving pressure of the swing hydraulic motor reaches the target pressure after a prescribed time does not exceed a limit value, and controls the pressure adjusting device based on the limited target pressure.

This invention discloses a variable frequency heat pump unit and its control method, device, storage medium, and computer program product. The method includes: determining the high-pressure range of the compressor by controlling a high-pressure threshold and a high-pressure protection threshold based on the compressor's block diagram; after the variable frequency heat pump unit is powered on and the compressor starts, acquiring the compressor's current high-pressure and current frequency; and controlling the compressor's current frequency based on the current high-pressure and high-pressure range to adjust the compressor's current high-pressure to within the compressor's high-pressure range. This solution, by determining the high-pressure range by controlling the high-pressure threshold and high-pressure protection threshold based on the compressor's block diagram, and by controlling the compressor's current frequency through frequency limiting and frequency reduction, controls the compressor's high-pressure within a set reasonable pressure range, thereby improving the reliability and safety of the unit's operation.

This application discloses a laser pressure regulating component, comprising a valve island and a gas regulating component. The valve island has gas channels, including a first gas channel, a second gas channel, and a mixing gas channel. One end of the mixing gas channel is connected to the first gas channel, and the other end is connected to the second gas channel. An outlet is provided on the mixing gas channel. The gas regulating component is respectively disposed on the first gas channel and the second gas channel. The valve island includes a first valve island and a second valve island, which are detachably connected. The gas regulating component includes a two-position two-way valve and a pressure proportional valve. The pressure proportional valve is located on the first valve island, and the two-position two-way valve is located on the second valve island. This application improves the ease of installation and disassembly of the laser pressure regulating component, while also optimizing the convenience of its refined transportation.

A pressure regulating piston is arranged in a pressure regulating piston hole, a pressure regulating piston pushing device, a pressure detection device and a control device are arranged, and an elastic buffering device is arranged, so that the pushing value of the pressure regulating piston pushing device is proportional to the pressure change of a hydraulic cavity. Therefore, the pushing value of the pressure regulating piston pushing device and the pressure change value of the hydraulic cavity are determined in a proportional relation, the problem that the relation between the pushing value and the pressure change value cannot be effectively determined due to incompressibility of liquid is solved, and the pressure in the hydraulic cylinder is regulated by the pushing action of the pressure regulating piston which is easy to realize. The hydraulic cylinder can be filled with low-pressure liquid firstly, then pressurization and pressure regulation are carried out through the method, the problems that a hydraulic pump and overflow valve system is large in energy consumption and the hysteresis phenomenon of overflow valve pressure control is solved, the pressure in the hydraulic cylinder can be stabilized, and the method is particularly suitable for pressurization and mold locking after mold closing of machines for injection molding, pressure casting and the like.