153 results about "Suction control" patented technology

The invention discloses a magnetic adjustment water lubricated bearing and a bearing support control method, which are applied to a large ship propulsion shaft system, and comprise a bearing shell, an electromagnetic excitation module, a batten, a sensor module, a power supply driving module and a control system, a plurality of mounting grooves are formed in the bearing shell; an electromagnetic excitation module is arranged in each mounting groove and generates a variable magnetic field with set intensity; a plurality of magnetically soft alloy segments are arranged on the batten, the magnetically soft alloy segments correspond to the electromagnetic excitation modules one to one, and a magnetic field acts on the magnetically soft alloy segments to generate electromagnetic attraction force; the control system independently controls the excitation current of each electromagnetic excitation module according to data of the sensor module, and generates magnetic fields with different intensities to act on soft magnetic alloy areas at corresponding positions, so that precise control of local supporting rigidity and lubricating gaps of the water-lubricated bearing is realized, unbalance loading and abnormal wear risks are effectively reduced, and the service life of the water-lubricated bearing is prolonged. And the adaptive capacity of the bearing under low-speed heavy load and dynamic disturbance is improved.

According to the quantitative filling device for the high-viscosity fluid, the intelligent sensing module and an advanced control algorithm are integrated, and the problem that in the prior art, the filling precision is poor due to material viscosity fluctuation is effectively solved. The material viscosity is predicted in real time by utilizing easily measured physical parameters, and controller parameters are dynamically adjusted by taking the material viscosity as a feedforward signal, so that the system has excellent self-adaptive capability, and the filling precision can be stably superior to two thousandths under different production batches and working conditions; meanwhile, a pulse equivalent self-learning mechanism is introduced, errors caused by slow changing factors such as mechanical abrasion can be compensated, and long-term high-precision keeping is achieved. In addition, intelligent exhaust is combined with anti-leakage back-suction control, so that the stability of the production process and the cleanness of the package are guaranteed. According to the high-viscosity cosmetic filling system, the high-viscosity cosmetic filling efficiency, precision and reliability are remarkably improved, the dependence on human experience and the equipment maintenance frequency are reduced, and a key technical support is provided for achieving intelligence and digitization of cosmetic production.

The invention relates to the technical field of automatic control, and discloses a suction force self-adaptive adjusting method based on a suction cup base, comprising the following steps: collecting current attitude disturbance information of to-be-adsorbed objects including a lamp, glass, a steel plate, a plastic box body and a wood material plate, the attitude disturbance information comprises a pitch angle, a roll angle, an angular velocity and a vertical acceleration; estimating the offset of the gravity center of the to-be-adsorbed object relative to the center of the sucker array based on the attitude disturbance information; according to the offset, target adsorption force of the object to be adsorbed is determined, and distribution is carried out according to a set load distribution weight; the invention further discloses a suction force self-adaptive adjusting system based on the suction cup base. The system comprises a posture sensing module; an offset calculation module; an adsorption force distribution module; and an adsorption control module. According to the invention, dynamic coordination and accurate tracking control of multi-sucker adsorption force are realized by fusing attitude sensing, adsorption modeling and nonlinear predictive control.

The invention relates to a multifunctional efficient SOFC power generation management method and system for an island, and relates to the technical field of power generation, and the method comprises the steps: heating diesel oil to volatilize the diesel oil into diesel oil steam, and collecting heating parameter information; generating suction control information according to the heating parameter information; based on the suction control information, controlling a preset micro-interface reformer to suck water vapor and diesel steam, and performing cracking reforming to generate mixed gas; collecting a temperature detection value and mixing condition information of the mixed gas; generating hot delivery control information according to the temperature detection value and the mixing condition information; and transmitting the mixed gas to a preset SOFC pile based on the heat transmission control information for power generation. The island power generation device has the effect of reducing air pollution generated during island power generation.

The invention relates to a test device and method capable of testing mechanical properties of hydrophilic and hydrophobic unsaturated soil, the test device comprises a pressure chamber, the pressure chamber is located at the center position of the whole device, an axial loading system is located below the pressure chamber, and the axial loading system is connected with the pressure chamber through a loading frame; the axial loading system is connected with the information acquisition system; the pneumatic control system is positioned on the side of the pressure chamber and connected with the pressure chamber through a pipeline; the data acquisition system is positioned beside the console or the computer and is connected with the sensor at each unit; the data processing system is connected with the air pressure control system and the back pressure control system, and the data processing system is connected with the axial loading system; the sample is positioned in the center of the pressure chamber; the hydrophobic soil suction control unit and the hydrophilic suction control unit are located at the upper end and the lower end of the sample, make close contact with the sample, ensure uniform pressure transmission and are connected with the air pressure control system through pipelines. According to the invention, the accuracy and wide applicability of the mechanical property test of the unsaturated soil are improved.

The application discloses a kind of thrombus suction control method and thrombus suction device, and thrombus suction device includes suction assembly, suction assembly includes the shell with pressure cavity, piston rod and suction catheter, thrombus suction device also includes the motor of piston rod movement and the controller connected with motor, control method is: suction catheter is positioned to the blood vessel without thrombus, make motor operate according to speed V0, calibrate the pressure value B in pressure cavity under normal blood condition;Suction catheter is positioned to the blood vessel with thrombus, make motor operate according to speed V1, V1≤V0, make dynamic pressure value A0 in pressure cavity: when A0≤B, make motor keep speed V1 operation;When A0>B, make motor increase from speed V1: when B<A0≤C, make motor increase to speed V2 operation;When C<A0≤D, make motor increase to speed V3 operation;When D<A0≤E, make motor increase to speed V4 operation.The control method thrombus removal efficiency is high, and blood loss can be reduced.

The application relates to the technical field of wafer dicing, and provides an adsorption work disc for a dicing machine, a wafer adsorption control method and the dicing machine. The adsorption work disc comprises a disc body and a sealing support. The disc body comprises a base and an adsorption part. The adsorption part is located above the base and is connected with the base to form a gas guide channel. The adsorption part comprises a plurality of adsorption units. The adsorption units are communicated with the gas guide channel. An installation groove is arranged at the edge area of the adsorption part. The installation groove is arranged at the edge of the adsorption work disc, and the sealing support is arranged in the groove. The sealing support supports the edge of the wafer. The sealing support has certain flexibility. When the wafer is adsorbed, the edge of the wafer will not be warped due to the reverse abutting force. Meanwhile, a relatively closed space is formed between the wafer and the adsorption part of the adsorption work disc and the sealing support, so that the adsorption efficiency and adsorption effect of the adsorption units on the middle area of the wafer are improved.

A vacuum suction control system for use with a vacuum source and a suction conduit includes a connection tube configured to connect the vacuum source with a lumen of the suction conduit. An on-off valve is operably coupled to the connection tube, and a sensing unit is configured to detect flow within the connection tube and provide a signal representative of the flow. A controller receives the signal to decide whether to open or close the valve. The controller can automatically close the valve to shut off the flow when the flow through the connection tube is unrestricted or according to a predetermined timing sequence. The controller can also periodically open a closed valve to determine whether the flow has entered an acceptable range. The controller can also pulse the suction with a pressure manipulation assembly when the flow is restricted or occluded.

The invention discloses an electrically-driven composite valve with a back-suction effect in the field of wafer cleaning, which comprises a valve seat, a first valve and a second valve, the valve seat is provided with a through flow channel, the first valve is located at the upstream of the flow channel and used for on-off control, the second valve is located at the downstream of the flow channel, and a cylindrical back-suction chamber is arranged at the flow channel position and used for back-suction control. The core of the second valve is a piston type valve element, and the second valve is driven by a driver to axially move in the cavity. According to the valve, traditional pneumatic drive is replaced with electric drive, after the first valve is closed, the driver drives the piston type valve element to move by the preset stroke in the axial direction, the effective volume of a cavity is increased, negative pressure is formed in a flow channel, liquid medicine is sucked back, and back suction control of the preset stroke is achieved through axial movement of the piston type valve element; stable execution of the resorption action is ensured, and the problem of pollution caused by dripping of liquid medicine is effectively solved.

An operating system for an endoscopic retrograde cholangiopancreatography (ERCP) surgical robot includes: an operating table, where a patient lies on the operating table; an endoscopic actuation end device; an endoscopic accessory operation end device; a console, including an operating handle, a foot switch, and a three-dimensional (3D) handle; and a display screen for human-computer interaction. A forceps lifter control module, a knob control module, a catheter drive module and a water vapor suction control module on the endoscopic actuation end device are controlled through the operating handle, the foot switch, the 3D handle and the touch screen on the console. A guide wire drive module on the endoscopic accessory operation end device remotely controls the insertion and feeding of a guide wire or catheter to complete the surgery. The operating system reduces the harm caused by long-term surgical radiation to operators and avoids hand shaking of doctors during operation.

The invention discloses a dredge ship energy consumption management and accurate mud suction control method, and relates to the technical field of ship engineering and intelligent control, and the method comprises the following steps: collecting a plurality of operation control strategies associated with a dredge ship for performance verification, and filing the optimal control strategy passing the performance verification; based on the received ship operation starting signal, whether operation authority is granted to the ship system or not is judged; and if the ship system is granted by the operation authority, selecting a reference regulation and control scheme of the ship from the archived optimal control strategy, and issuing a first regulation and control instruction to the ship system. Through performance verification, only the control strategy is archived and optimized, compatibility of the strategy and the ship working condition is ensured, the abnormal risk in the mud suction process is reduced, and the operation efficiency is improved; based on threshold comparison of the energy efficiency improvement rate and the stability index, data-driven strategy optimization is realized, the unit operation energy consumption can be averagely reduced, and the resource utilization rate is improved.

A modular portable anti-choking device featuring multiple suction patterns controlled via embedded computing programs is disclosed. The device incorporates an air propeller to generate suction, user-type settings for customizations, and pressure sensors for safety. A dual power supply system enables portability. The compact design makes it suitable for use in various environments including homes, restaurants, and any other settings. Its modular structure allows for easy disassembly, cleaning, and reassembly, making it easy for repeated use. The device ensures effective, safe, adaptable, and reliable operation by dynamically adjusting suction strength based on user-type and real-time sensor data, while minimizing the risk of airway injury caused by excessive suction pressure.

To improve the durability of an electric braking device.SOLUTION: A suction control unit (10) of an electric braking device (1) executes a control for decreasing the forward-movement speed of a piston (P) as a target pressure value increases, in which the control is executed at least for a period after a hydraulic pressure on a hydraulic chamber side with respect to a switching valve (NC1) increases to the proximity of the target pressure value, in a period in which a forward-movement control is executed.SELECTED DRAWING: Figure 1

The present invention relates to the field of medical device technology, and specifically to a trigger mechanism for a multifunctional ablation electrode, and an ablation electrode with flushing and suction functions. The trigger mechanism includes: a flushing and suction sleeve composed of a flushing and suction inner tube and a suction telescopic tube that are slidably connected; an electrode; and a suction control wrench. The suction control wrench controls the activation of the suction function when closed. The suction control wrench is transmission-connected to the telescopic tube push block sleeved on the flushing pipeline, and the telescopic tube push block is detachably connected to the telescopic tube connecting block on the suction telescopic tube. When the suction control wrench triggers the suction action, the suction control wrench links the telescopic tube push block to move toward the telescopic tube connecting block, and is connected to the telescopic tube connecting block to push the suction telescopic tube out. By linking the suction control wrench to the action of the suction telescopic tube, the suction function can be activated without separately moving the suction telescopic tube to extend forward, effectively reducing the complexity of the operation for medical workers.

The present invention provides a medical device comprising an outer tube, an operating unit, and a control unit. At least a portion of the operating unit is located inside the outer tube. The control unit has a control unit channel that communicates with the outer tube along a first direction. The control unit includes a control module, and the control module includes a suction control unit, a suction port actuator, and a switch unit. The suction control unit has a stopper facing the channel and is movably arranged along a second direction. The suction port actuator and the suction control unit are located on opposite sides of the channel and are driven by the suction control unit. The switch unit is configured to switch the operating state of the operating unit.

The application provides a U-shaped arm and an endoscope seat for an ERCP surgical robot, which comprises a U-shaped arm and an endoscope seat, the endoscope seat is arranged on one side of the U-shaped arm, the endoscope seat is used for mounting an endoscope, a connecting rod and a wire passing hole are arranged on any side wall of the U-shaped arm, and the connecting rod is used for connecting a cantilever; a control handle is arranged on the side of the U-shaped arm away from the connecting rod, the control handle is used for controlling locking or unlocking of the cantilever, and an optoelectronic sensor for sending or detecting signals is arranged on the control handle. An operation table formed by the U-shaped arm and the endoscope seat is used for integrally mounting the endoscope on the operation table and integrating a guide groove, a water vapor suction control module, a forceps lifter driving module, a knob driving module and the forceps lifter, when surgery is performed, the operation table formed by the U-shaped arm and the endoscope seat can be remotely operated, which is helpful to reduce the harm caused by long-term radiation of surgery to operators and avoid hand tremor of a doctor during operation.

The application discloses a component suction control device and a control method thereof and electronic equipment, and relates to the technical field of circuit boards.The component suction control device comprises a data storage unit, a processor and a scanner.The data storage unit is configured to send top dimension data of components belonging to a surface mount process to the processor.The processor is configured to synchronize the top dimension data to the scanner, calculate effective suction force of a suction nozzle according to a flatness detection result of the scanner and relevant parameters of the suction nozzle, determine suction risk of the component based on the effective suction force of the suction nozzle, and control a chip mounter and a planarizer to perform corresponding actions.The scanner is configured to detect flatness of the top of the component according to a preset scanning rule, and feed back the flatness detection result to the processor.The planarizer is configured to select a corresponding specification of a planarizing patch according to a repair instruction of the processor, and attach the planarizing patch to an uneven area of the top of the component.Thus, problems such as inability to suction, falling after suction and the like caused by unevenness of the top of the component can be solved from the source, and the production efficiency of the board and the product quality are significantly improved.

The application provides an automatic film cutting and soil covering type pepper direct seeding machine control method and a control system, and the automatic film cutting and soil covering type pepper direct seeding machine control method is controlled according to the following aspects: (1) seed suction control; (2) seeding operation control; (3) automatic film cutting control; and (4) film positioning and soil covering control. The control system is flexible and reliable, and can realize the control function of a seeding agricultural implement, and comprehensively realize the automatic control of film cutting, film positioning and soil covering of the whole machine, so that the film cutting, film clamping and film positioning and soil covering work of manpower are replaced. The application improves the automation degree of direct seeding, film cutting and film positioning and soil covering, and can be widely applied to the seeding of soybeans, kidney beans, peanuts and the like.

To provide a technique advantageous in suppressing discharge defects caused by residual droplets.SOLUTION: A liquid discharge apparatus comprises: a discharge unit which has a plurality of discharge ports for discharging liquid on a discharge surface; a suction nozzle which suctions droplets adhering to a lower surface of the discharge unit through a suction port; a drive control unit which arranges a suction surface of the suction nozzle and the lower surface with a predetermined interval in a non-contact manner, and controls driving of at least one of the suction nozzle and the discharge unit; and a suction control unit which controls a suction state of the suction nozzle on the basis of a relative position between the discharge ports and the suction nozzle.SELECTED DRAWING: Figure 1

The invention relates to the technical field of vehicle engineering, and provides a numerical wind tunnel construction method for digital vehicle simulation. The method comprises: constructing a numerical wind tunnel model; the numerical wind tunnel model at least comprises a stable section, a contraction section, a test section, a diffusion section and a plenum chamber; dividing the surface of the numerical wind tunnel model by adopting a preset grid technology; encrypted grid division is adopted in the sensitive area, and gradient grid division is adopted in the non-sensitive area; the sensitive area at least comprises a test section wall surface and a contraction section near-wall area; the non-sensitive area comprises a plenum chamber and a diffusion section; a three-level boundary layer suction control strategy is adopted, so that the current flow field parameters in the test section are kept stable in a preset range, and a high-precision simulation strategy is triggered; the high-precision simulation strategy is simulated based on a pre-configured simulation condition, and when a simulation result does not fall into a target range, a simulation regulation and control strategy is triggered. Compared with the prior art, the method has the advantages that computing resources are reduced, and simulation precision is improved.

The utility model discloses a foot switch assembly for laparoscope smoke suction control, which comprises a negative pressure suction device, a filter bottle, a pedal seat, a pedal cover, an on-off control structure, a first reset spring, a second reset spring, a pin shaft and a mounting groove, the pin shaft is arranged on the pedal cover, the mounting groove is arranged on the pedal seat, and the pedal seat is arranged on the filter bottle. The hinge pin is rotatably matched with the mounting groove, the on-off control structure is arranged on the pedal seat, the two ends of the first reset spring abut against the pedal seat and the pedal cover respectively, the two ends of the second reset spring abut against the on-off control structure and the pedal cover respectively, the first reset spring is located between the hinge pin and the second reset spring, and the second reset spring is located between the hinge pin and the second reset spring. The negative pressure suction device is connected with the filter bottle through a guide pipe, and the filter bottle is connected with the on-off control structure through a guide pipe. Compared with the prior art, the switch assembly has the advantages that gas purification is achieved, meanwhile, the gas pumping and exhausting process can be achieved by controlling the pedal, and the whole operation process is convenient and fast.

The utility model provides a basic cover stamping clutch suction device, which relates to the technical field of fixed installation of clutch plates and comprises a fixing ring. The threaded holes are formed in the surface of the fixing ring, and a plurality of threaded holes are formed in the periphery of the fixing ring; the round holes are formed in the surface of the fixing ring, and a plurality of round holes are formed in the periphery of the fixing ring; and the bolts are detachably installed on the surface of the fixing ring, a plurality of bolts are distributed on the periphery of the fixing ring, the bolts are in threaded connection with the threaded holes, the bolts are suitable for fixing the clutch disc, a circular groove is formed in the surface of the fixing ring, and the circular groove is communicated with the threaded holes. The utility model solves the problem that when the punching machine runs for a long time, the cylindrical pin and the connecting block rub back and forth under the control of attraction, the conditions of abrasion, aging and structural deformation of the cylindrical pin and the connecting block are easy to occur, and further the fault of the punching machine is caused.

Automated System for Airway Secretion Management and Ventilation Synchronization The invention relates to an automated suctioning system (100) for simultaneous suctioning (in pulsatile mode) and ventilation of tracheal secretions, improving airway management in mechanically ventilated patients. It includes a vacuum pump (101), a modified multilumen endotracheal tube (102) with valves for suction control, an oral suction adopter (103), subglottic suction tubing (104), and a ventilation-suction switch (105) to synchronize suctioning and ventilation. A lumen obstruction detector (106) identifies obstructions, while an RTOS-based microcontroller (107) manages real-time tasks. Pressure sensors (108, 109) monitor suction levels and detect blockages, and a liquid dispensing system (110) delivers mucolytic agents. A user interface device (111) provides feedback and alerts. The system dynamically adjusts suction pressure, ensuring patient safety, reducing ventilation interruptions, and enhancing secretion management in critical care settings.

The application discloses a kind of diaphragm pump liquid suction control method, device, equipment and nonvolatile storage medium.Therein, the method includes: according to the liquid target flow required by liquid suction operation, determine the driving power range of the diaphragm pump used by liquid suction operation;Obtain the operation parameters of liquid suction operation, wherein the operation parameters include: suction liquid amount range, operation duration and liquid residual amount threshold;According to operation parameters, determine the actual power range corresponding to liquid suction operation in driving power range;According to the driving power range of diaphragm pump, determine target buffer, wherein target buffer is used to buffer the pulse fluctuation of diaphragm pump;Target buffer is set to the liquid suction end of diaphragm pump;Control diaphragm pump to execute liquid suction operation using target power in actual power range.The application solves the technical problem that there is no diaphragm pump scheme when performing liquid suction operation with high precision in the related art.

To prevent a failure of an ink jet printer due to ink clogging in a hollow needle and the vicinity thereof. A continuous ink jet printer includes: an ink tank that stores ink and a solvent as a printing ink; a printing head that performs printing with the printing ink; an ink hollow needle that accesses the ink in an ink cartridge when an ink reservoir receives the ink cartridge; a first ink tube that causes the ink to flow from the ink hollow needle to the ink tank; and a supply control section that executes suction control to generate a flow from the ink hollow needle toward the first ink tube when the ink is taken out from the ink cartridge received in the ink reservoir, and executes blowing control to generate a flow from the first ink tube toward the ink hollow needle when reverse-flow cleaning is performed.

To provide an electric braking device in which refill control can be efficiently executed.SOLUTION: An electric braking device (1) includes: a reservoir (11) connected to a hydraulic chamber (H) of an electric cylinder (12); and a suction control part for executing suction control in which a piston (P) is retreated by an electric motor (M), and a brake fluid is thereby sucked from the reservoir (11) into the hydraulic chamber (H), and for changing a retreat speed or a retreat amount of the piston (P) according to a viscosity of the brake fluid in the suction control.SELECTED DRAWING: Figure 1

The invention relates to the technical field of industrial control systems, in particular to a digital twinning-based self-adaptive control method for eye drop processing equipment, which comprises the following steps: acquiring a transient pressure attenuation sequence of an eye drop filling pipeline, a brake displacement sequence of a filling pump rotor and real-time temperature data; a rheological relaxation time constant is extracted according to the pressure sequence, a transient shear rate matrix in the pipeline is analyzed in combination with the displacement sequence, and a dynamic viscosity reference parameter is determined based on the temperature data; inputting the parameters into a digital twinborn model, and mapping and outputting a first normal stress difference dynamic evolution time sequence so as to predict a liquid bridge fracture moment and analyze residual normal tensile stress at the tail end of a needle; and analyzing the reverse resorption momentum compensation parameter based on the residual normal tensile stress and the predicted fracture moment, generating an asymmetric resorption control pulse sequence, and finally converting the asymmetric resorption control pulse sequence into a servo driving instruction and issuing the servo driving instruction to a control unit. According to the invention, through digital twin modeling, adaptive control is realized.

The utility model discloses a color steel plate grabbing device which comprises a suction cup frame, a clamping device and a clamping device. The plurality of sucker frames are connected through the connecting frame; the sucker comprises an air suction hole; the air suction hole of each suction cup is communicated with the air distribution block; the first rotary speed reducer is connected with the suction cup frame; when the first rotary speed reducer rotates, the suction cup frame rotates in the first direction. The first rotary speed reducer and the sucker are arranged on the two sides of the sucker frame respectively. The control module is used for controlling the suction force of the suction cups to the color steel plate; the control module is further used for controlling rotation of the first rotary speed reducer.

The invention relates to a gastroscope system integrating air supply, water supply and suction control functions and an application method, and the application method comprises the following steps: when an air supply key on an operation handle is triggered, generating an air supply instruction and sending the air supply instruction to a control host; when a water supply key on the operation handle is triggered, a water supply instruction is generated and sent to the control host; when an attraction key on the operating handle is triggered, an attraction instruction is generated and sent to the control host; the control host receives the instruction sent by the operation handle, carries out instruction type identification and correspondingly gives air supply, water supply or suction feedback, so that air supply, water supply and suction control can be completed, the operation is simpler, and meanwhile, a series of defects existing in an existing mechanical key are avoided.

The invention relates to an automated suctioning system (100) for simultaneous suctioning (in pulsatile mode) and ventilation of tracheal secretions, improving airway management in mechanically ventilated patients. It includes a vacuum pump (101), a modified multilumen endotracheal tube (102) with valves for suction control, an oral suction adopter (103), subglottic suction tubing (104), and a ventilation-suction switch (105) to synchronize suctioning and ventilation. A lumen obstruction detector (106) identifies obstructions, while an RTOS-based microcontroller (107) manages real-time tasks. Pressure sensors (108, 109) monitor suction levels and detect blockages, and a liquid dispensing system (110) delivers mucolytic agents. A user interface device (111) provides feedback and alerts. The system dynamically adjusts suction pressure, ensuring patient safety, reducing ventilation interruptions, and enhancing secretion management in critical care settings.