370results about How to "High adjustment accuracy" patented technology

This invention discloses a double-layer fully automatic opening and closing roller beam device for subway rail transportation, including an upper roller beam, a lower roller beam, a drive column, and side columns corresponding to the drive column. The horizontally transverse upper roller beam is rotatably mounted on the drive column at one end and rests on the side column at the other end. It also includes an automatic control mechanism and a roller beam rotation support mechanism on the same longitudinal line as the drive column. The automatic control mechanism includes a control host and several position sensors installed on the side columns and the roller beam rotation support mechanism to transmit the position information of the upper roller beam. The position sensors feed back signals to the control host to automatically control the opening and closing of the upper roller beam. It is installed on an adjustable height support beam, which includes a support beam, crossbeam support feet, and a crossbeam height adjustment mechanism. It has the advantages of fully automatic opening and closing of the roller beam, simple operation, time and labor saving, high personal safety factor, and high overall structural stability.

The utility model discloses a water drop reel magnetic brake system which comprises a brake bowl arranged on a winding wheel shaft, a magnet assembly arranged outside the brake bowl and an adjusting assembly for adjusting the radial distance between the magnet assembly and the brake bowl, and the brake bowl is arranged on one side of a winding wheel and rotates along with the winding wheel shaft. The adjusting assembly comprises a retarding cam and a retarding rotary knob driving the retarding cam to rotate, the retarding rotary knob is connected with the winding wheel cover, the magnet assembly comprises two magnet mounting seats and two arc-shaped magnets, the arc-shaped magnets are assembled on the magnet mounting seats, positioning columns are arranged on the magnet mounting seats, and the arc-shaped magnets are arranged on the positioning columns. The positioning column penetrates through a linear positioning groove formed in the winding wheel cover and then falls into a spiral groove in the retarding cam. The water drip wheel magnetic brake system has the advantages of being stable in brake force, large in brake force adjusting range, high in adjusting precision and the like.

The utility model relates to an emptying device for a steel strip coil, which comprises a bottom frame, an emptying frame main body used for emptying the steel strip coil is arranged above the bottom frame, and the top of the bottom frame is horizontally and slidably connected with a first sliding plate and a second sliding plate which are symmetrically arranged relative to the emptying frame main body. The top of the first sliding plate and the top of the second sliding plate are rotationally connected with a first supporting frame and a second supporting frame correspondingly, the other end of the first supporting frame and the other end of the second supporting frame are rotationally connected with the discharging frame body, and the bottom frame is provided with a driving mechanism for driving the first sliding plate and the second sliding plate to move in the direction close to or away from each other and a limiting mechanism. The discharging frame body is connected to the limiting mechanism in a sliding mode in the vertical direction. The vertical height of the discharging frame body can be adjusted, the discharging frame is suitable for steel strip coils with different outer diameter specifications, when the steel strip coils with large outer diameter size difference are replaced, the discharging frame does not need to be replaced, time is saved, the height can be adjusted in real time, and it is guaranteed that the feeding angle change of a steel strip is always within a reasonable range.

The utility model discloses a canvas is spun with cotton feed adjusting device, including frame, cotton feed board and cotton feed roller, one end of cotton feed board is fixed on the frame through the pin shaft, cotton feed board swings with the pin shaft as fulcrum, the frame is set up with the through slot, and the inside of through slot is provided with the connecting rod of through -going, and one end of connecting rod is hinged with cotton feed board through the hinge, the inner wall of through slot is seted up with the limiting slot. In the utility model, by adopting the mode of servo motor drive adjusting screw rod and moving, replace the manual rotation screw and adjust the interval of the holding area of cotton feed board and cotton feed roller, can greatly improve the adjustment accuracy, reduce the error, ensure that the holding area of cotton feed board and cotton feed roller is invariable between the holding area between cotton feed board and cotton feed roller under the long -time work, can stably transport the sliver to the capture range of the carding roller, improve the carding efficiency of carding roller.

This invention proposes an active energy storage type multi-winding transformer-type adjustable reactor and its control method, belonging to the technical field of power electronics and flexible AC transmission and distribution systems. It includes a multi-winding transformer, whose primary winding is electrically connected to the AC power grid; at least one set of thyristor hierarchical switching circuits, which are connected in series with the corresponding thyristor-switching windings on the secondary side of the multi-winding transformer; the AC side of a PWM inverter control circuit is electrically connected to one of the active control windings on the secondary side of the multi-winding transformer; an energy storage module is connected in parallel on the DC side of the PWM inverter control circuit to inject a compensation current containing reactive and active components into the active control winding, thereby achieving continuous fine-tuning of the equivalent reactance value and active power exchange with the AC power grid. This invention can be applied as a multifunctional power electronic device in fields such as smart grids, new energy transmission and distribution, and comprehensive power quality management.

This utility model belongs to the field of mineral mining technology, specifically disclosing a support device for safe pillar recovery, including a base and a support assembly. An adjusting plate is installed on the base via a support member, and the adjusting plate is provided with multiple adjusting holes. Adjusting rods are threadedly connected to the adjusting holes. The support assembly includes a support cylinder for sleeved on the adjusting rod and a support rod for inserted into the support cylinder. A limiting plate is fixedly connected inside the support cylinder. The upper end of the adjusting rod abuts against the limiting plate, and a limiting ring is fixedly connected to the support rod. The limiting ring is operable to abut against the end of the support cylinder, thereby providing support. The threaded adjustment rod enables precise adjustment of the support height. The insertion design of the support cylinder and the support rod allows for quick adjustment of the support length. The cooperation between the limiting plate and the limiting ring effectively prevents the support assembly from slipping, ensuring stable transmission of support force during pillar recovery.

This invention discloses a brain-computer interface (BCI) smart zoom glasses and a visual adaptive adjustment system, relating to the field of smart glasses technology. It includes an EEG signal acquisition module that attaches to the user's head to collect signals, extracts feature vectors after noise reduction, and transmits them to a core control module; a visual environment perception module that collects target and environmental data, generates structured data packets, and transmits them synchronously; a core control module that integrates multi-source data, identifies visual intent, and decides on adjustment parameters; a smart zoom execution module that adjusts the lens focal length and provides closed-loop feedback to calibrate accuracy; a visual adaptive adjustment module that adjusts lens parameters based on the environment and fatigue state; a human-computer interaction module that supports manual operation, status display, and vibration feedback; and a data storage and update module that stores data and iteratively optimizes the model. This invention achieves accurate visual intent recognition through brain-computer interaction; personalized modeling adapts to different user needs, meeting the product development and application requirements of the wearable smart device manufacturing field.

The utility model relates to the field of maintenance frame discloses a maintenance frame for lifting type industrial robot, including base, the top of base is provided with lifting assembly, the top fixed connection of lifting assembly has fixed platform, both sides of fixed platform all are fixedly connected with two connecting frames, the left side fixed connection of connecting frame has support frame, the bottom rotatory connection of support frame has support rod, the other end rotatory connection of support rod has support screw rod, the other end fixed connection of support screw rod has driven rod, the middle rotatory connection of driven rod has fulcrum rod, the side fixed connection of driven rod has adjusting rod. In the utility model, enhance platform stability, this design operation is simple, compact structure, can fixedly spread of extension board fast, is applicable to industrial maintenance scene etc, has the advantages such as smooth unfolding, locking reliable, strong bearing capacity, effectively promotes work efficiency and security.

The utility model discloses an electromagnetic damping vibration isolation device belongs to vibration control technical field. The utility model solves the technical problem of the magnetic field intensity fixed of electromagnetic damping vibration isolation device and coil heating easily leads to performance attenuation. The utility model discloses an electromagnetic damping vibration isolation device, including coil subassembly and conductor block. Coil subassembly includes coil and coil clamp. Coil clamp is held in the outer periphery of coil. Coil clamp includes clamp body and water cooling pipeline. The heat dissipation block is equipped on the clamp body, and the heat dissipation block extends along the radial direction of coil, and multiple heat dissipation blocks are evenly arranged around coil. The water cooling pipeline is surrounded in the clamp body. The conductor block is located between at least two groups of coil subassembly, and the magnetic pole of every two groups of coil subassembly is opposite, thereby making the conductor block can be subjected to electromagnetic damping force when producing vibration. The utility model discloses a vibration isolation device can cover the vibration control demand of multiple frequency bands, avoids coil overheat aging, improves the life of vibration isolation device.

This invention relates to the field of edge banding machine technology, specifically to an angle-adjustable edge banding machine end-cutting mechanism, including a conveying assembly, a frame, two oblique guide structures, and two angle-adjustable cutting assemblies. Two oblique supports are provided on the frame, tilting downwards from left to right, with one oblique support located to the upper right of the other. The angle-adjustable cutting assembly includes a first mounting base, a second mounting base, a motor displacement drive component, a motor, a blade, a first mounting base drive component, a third mounting base drive component, a third mounting base, a second mounting base drive component, and a fourth mounting base. Its advantages include rapid switching between straight and oblique cutting modes, no need for manual screw adjustment, significantly shortened changeover time, good cutting effect, significantly improved safety, the ability to reserve edge banding tape, reduced scrap rate in subsequent processes, stable structure, and high adjustment precision.

The invention belongs to the technical field of bridge steel shell hoisting construction, and particularly relates to a fine adjustment device suitable for stability of a gravity center changing curve type steel shell, the fine adjustment device comprises a steel shell, mounting angle blocks are symmetrically arranged on the side face of the upper end of the steel shell, and an adjusting mechanism is arranged at the upper end of each mounting angle block. According to the fine adjustment device, a flexible adjustment structure composed of the magnetorheological elastomer and the electromagnetic coil is arranged, and a steel cable traction adjustment mechanism driven by the hydraulic motor is combined, so that bidirectional precise regulation and control over the stability of the steel shell are achieved, and the shear modulus of the magnetorheological elastomer can be linearly regulated and controlled through the current of the electromagnetic coil; the stress change caused by gravity center shift can be quickly responded, and the dynamic unbalance force can be counteracted in real time.

This utility model discloses a lithium-ion battery-powered multifunctional rail grinding machine, including a frame, and grinding components, a feed adjustment component, a contour wheel component, a handrail component, and a power battery pack component mounted on the frame. A pressure sensor monitors the grinding pressure in real time, and the feed adjustment component automatically adjusts the pressure between the grinding wheel and the rail to ensure the grinding pressure is always maintained at the optimal level. The feed method uses a motor-driven threaded transmission, which is simple, reliable, and offers high adjustment precision. The handrail component is reasonably designed, allowing for flexible adjustment of the grinding angle via an angle adjustment plate. Combined with the auxiliary wheel design, it can stably complete the grinding of the top, side, and curved surfaces of the rail. Powered by a lithium battery, it is convenient for field operations. This utility model has a reasonable structure, is easy to operate, and can improve the quality and efficiency of rail grinding.

The utility model belongs to the technical field of bushing pre-tightening, and particularly relates to a compressor bushing pre-tightening device capable of finely adjusting a gap, which comprises an outer ring body, an extrusion ring and a bushing body, the bushing body is arranged on the outer side of a compressor shaft body, a notch is arranged on one side of the bushing body, the extrusion ring is sleeved on the outer side of the bushing body, and the notch is arranged on the other side of the bushing body. The inner wall of the extrusion ring and the outer wall of the lining body are obliquely arranged, the inclination angle of the inner wall of the notch is the same as that of the outer wall of the lining body, the extrusion ring can slide in the outer ring body along the axis of the outer ring body, and an electromagnetic adjusting set in transmission connection with the extrusion ring is installed on the outer ring body. And the electromagnetic adjusting group is used for applying electromagnetic force to the extrusion ring to drive the extrusion ring to slide in the outer ring body. According to the utility model, stepless fine adjustment can be carried out on the gap between the bushing body and the compressor shaft body in the process of pre-tightening the compressor bushing, the adjustment precision is high, and real-time adjustment can be carried out in the use process.

The utility model discloses a kind of high-precision six-axis swing table module, including Y-axis structure, X-axis structure and Z-axis structure, the X-axis structure, Y-axis structure and Z-axis structure are respectively connected with first adjusting mechanism, the first adjusting mechanism is used to realize the linear motion of XYZ axis, the side of Z-axis structure is installed with Tz-axis structure, Ty-axis structure is installed on the Tz-axis structure, gripper structure is installed on the Ty-axis structure, Tx-axis structure is installed on the gripper structure, the Ty-axis structure and Tz-axis structure are respectively connected with second adjusting mechanism, the second adjusting mechanism is used to realize high-precision angle adjustment of Ty-axis and Tz-axis, the Tx-axis structure is connected with third adjusting mechanism, the third adjusting mechanism is used to realize high-precision angle adjustment of Tx-axis, the utility model solves the problem that lens LENS in traditional mobile phone module AA equipment only uses angle swing table to adjust angle to capture product, difficult to realize multi-axis linkage, precision is lower.

This utility model relates to the technical field of tension adjustment devices, specifically a tension adjustment device for the production of flame-retardant needle-punched fabric. Its purpose is to solve the problem that existing tension rollers require height adjustment when guiding needle-punched fabrics of different specifications. However, the adjustment of the tension roller is cumbersome and time-consuming, achieved by raising and lowering screws on a bracket. Therefore, this new device improves the efficiency and effectiveness of the tension adjustment, thus enhancing its practicality. The device includes a tension roller, a rotating shaft, and fixed plates. The rotating shaft is fixedly mounted to the tension roller, and both sides of the rotating shaft are rotatably connected to corresponding fixed plates. The tension roller is guided and pressed by the flame-retardant needle-punched fabric. A pre-tightening mechanism is provided at the bottom of the two sets of fixed plates. The pre-tightening mechanism also includes a sliding block, a lifting plate, a limiting plate, and a spring. A groove is provided at the top of the lifting plate, and a working cavity is provided at the bottom of the groove.

The invention provides a zinc pot stabilizing roller adjusting device and method capable of achieving accurate positioning. According to the invention, through a multi-state cooperative control model, a dual accurate positioning system of induction distance measurement and scale visual feedback, and execution mechanisms which are independently or synchronously adjusted on two sides, rapid, accurate and quantifiable adjustment among a working position, a critical position and an exit position of the front stabilizing roller is realized. The device comprises a sink roll, a rear stabilizing roll, a front stabilizing roll, a front stabilizing roll supporting arm, a front stabilizing roll beam and two sets of symmetrically-arranged adjusting devices, and the adjusting devices drive lead screw shafts through gear motors, convert rotary motion into linear motion of supporting seats and drive the front stabilizing roll beam and the front stabilizing roll to move accurately. According to the invention, electric automatic adjustment is realized, the adjustment precision, response speed and stability are improved, the running stability of strip steel and the uniformity of a zinc coating are ensured, and meanwhile, the safety of a working environment is improved.

This invention discloses a cultivation experimental device for studying plant ectomycorrhizal fungal interactions. It includes a base with a petri dish on it. A protective shell is installed around the petri dish on the top of the base. A circular plate is rotatably mounted inside the protective shell. Both the circular plate and the top surface of the protective shell have two symmetrical arc-shaped ventilation openings. An adjustment component connects the circular plate and the protective shell, including a splined sleeve rotatably connected to the top of the protective shell. This invention provides a cultivation experimental device for studying plant ectomycorrhizal fungal interactions that offers high adjustment precision, effortless operation, and stability. The precise design of the ventilation opening adjustment component allows for accurate control of the opening size, meeting the oxygen requirements of different fungal species and plants. Furthermore, the threaded connection of the protective shell enhances the stability and practicality of the device, providing strong support for scientific research.

The utility model discloses a kind of U-shaped metal spring pieces of adjustable pre-tightening force, including U-shaped body, adjusting mechanism and anti-loosening assembly, the U-shaped body is made of two symmetrically arranged leg and the connecting part of connecting leg, the free end of the leg forms elastic contact end, the adjusting mechanism includes the screw rod of at least one the leg and the nut of the screw rod screw cooperation, the axis of the screw rod is perpendicular to the extension direction of the leg, and one end of the screw rod is abutted to the inner side surface of the connecting part. By screw rod and nut cooperation can flexibly adjust pre-tightening force, adapt to different working condition demand, solve the limitation of traditional spring piece pre-tightening force fixed;Adjusting knob with anti-slip line, cooperate nut limit plane, convenient operation and prevent skidding, improve adjustment efficiency and stability. The sliding cooperation of guide groove and guide boss ensures that leg deformation is stable, improves pre-tightening force adjustment accuracy.

The application provides a surveying and mapping instrument positioning device for engineering surveying and mapping, and relates to the technical field of engineering surveying and mapping equipment, which comprises a support seat and further comprises an expansion adjusting assembly, wherein the expansion adjusting assembly comprises a first driving motor mounted at the bottom of the support seat, in the application, the gear engages to drive two centrally symmetrical racks to move reversely, the moving seat is synchronously moved with the racks through sliding cooperation with the linear guide rails, flexible adjustment of the distance between the support rods is realized, the rotating seat can rotate around the support frame, the angle is adjusted through the arc-shaped guide rails, and the positioning is completed by tightening the first knob bolt after the rotating seat is in place, in the multistage telescopic assembly, the support rods, telescopic rods and fine adjustment rods can slide along the length direction, are stretched to a suitable height as required, and are locked and fixed through corresponding knob bolts, the support rods on the support seat and the rotating seat are matched, telescopic adjustment and angle adjustment are combined, quick and flexible adjustment of the support span, the angle and the height is realized, and stable placement of the surveying and mapping instrument under various terrains is ensured.

This invention relates to the fields of audio and video playback technology and network communication technology, specifically a dynamic control method and system for video playback caching. By introducing intelligent prediction models, dynamic weight allocation algorithms, and scene association mechanisms, it achieves precise adjustment of video player caching duration, download speed, and external parameters, thereby maximizing the utilization of the player's local cached content, improving bandwidth utilization, reducing CDN bandwidth costs, and minimizing playback stuttering. Furthermore, this invention provides dynamic parameter and intelligent algorithm configuration interfaces for external users, allowing them to adjust caching control strategies based on multiple different parameters and business scenarios to achieve the optimal caching strategy for their own business.

This utility model relates to a pneumatic regulating valve, comprising a valve body located below the valve body; a valve cage mounted on the valve body; a valve plug mounted on the valve cage; a valve cover fixedly connected above the valve body; a valve stem mounted on the pneumatic regulating valve; a valve stem fixedly connected to the bottom of the valve cage; the valve stem passing through the valve cover and a bracket, with its upper end connected to a pneumatic diaphragm actuator; a valve stem sealing structure mounted on the valve stem; and a pneumatic diaphragm actuator connected above the valve stem and valve cover, driving the valve stem to move the valve plug up and down within the valve cage to adjust the valve opening and medium flow rate. This improves the adjustment accuracy and response speed, solving the technical problems in the prior art where operators need to manually adjust the valve opening to control fluid parameters, which is not only inefficient but also difficult to achieve precise control. Especially in complex working conditions or hazardous environments, manual operation poses significant safety risks, and under high pressure differential conditions, the valve also suffers from vibration and stability issues.

The utility model belongs to tobacco manufacturing technical field discloses cigarette length real -time regulation and control device and cigarette production equipment. Cigarette length real -time regulation and control device includes mounting bracket, two opposite settings adjusting assembly and spraying assembly. The mounting bracket is correspondingly arranged with drum wheel, the adjusting gap is formed between two adjusting assemblies, and the drum wheel is located at least partially in the adjusting gap, and the adjusting assembly is abutted with the floating ring of drum wheel, every adjusting assembly is provided with the drive assembly, the drive assembly is used for driving two adjusting assemblies to be close to or away from each other, and the adjusting assembly has the spraying hole corresponding with the drum wheel's bearing tobacco slot. Spraying assembly is communicated with spraying hole and is blown up to the tobacco group through spraying hole. Therefore, the cigarette length real -time regulation and control device can complete the adjustment of the length of the tobacco group in the bearing tobacco slot without repeated operation during use, effectively improves the precision in the adjustment process, saves the time spent in the adjustment, and effectively improves the production efficiency of the cigarette.

This utility model relates to the field of motor technology, and more particularly to a dual-motor transmission module, comprising a cavity, a first pusher and a second pusher movably disposed within the cavity, a first transmission assembly drivenly connected to the first pusher, a first motor drivenly connected to the first transmission assembly, a second transmission assembly drivenly connected to the second pusher, and a second motor drivenly connected to the second transmission assembly. The first motor drives the first pusher to move along the length direction of the cavity via the first transmission assembly, and the second motor drives the second pusher to move along the length direction of the cavity via the second transmission assembly. Receiving grooves are provided at both ends of the cavity, and protective covers are provided on the outer sides of the receiving grooves. This utility model has a compact and reasonable structure, employing two independently operating motors to achieve individual control of the lifting and lowering positions of the head and feet, resulting in high adjustment accuracy, extended service life, and improved performance.

The application belongs to the technical field of electric appliance circuit, and particularly relates to a sound equipment and an audio power amplifier static current adjusting method, which comprises a playing assembly, the playing assembly comprises a shell, an adjusting device is arranged on the inner side of the shell, and the sampling end of the adjusting device comprises a digital potentiometer, a seventh resistor, a seventh NPN triode, a connection upper end and a connection lower end. The audio power amplifier in the existing sound equipment can change the static current after temperature change due to the triode characteristics, which not only affects the hearing and the index, but also can cause the power amplifier burning in the case of positive feedback of temperature and current in the serious case. The traditional audio power amplifier often uses a temperature-sensitive resistor to stabilize the static current, and the working principle determines that the static current cannot be accurately maintained, and only the working range can be ensured. Moreover, due to the temperature sampling point, the effect is often poor.

The invention provides a lamp hanger, which belongs to the field of lamp mounting accessories, and comprises a box body for mounting hanging wires and a lamp wire, the number of the hanging wires is two, the hanging wires are used for realizing bearing hanging of a lamp, and the lamp wire is used for power supply transmission of the lamp; a suspension wire coil and a lamp wire coil are arranged in the box body, the suspension wire is wound on the suspension wire coil, the lamp wire is wound on the lamp wire coil, and the suspension wire coil and the lamp wire coil are coaxially arranged through a driving shaft, so that the internal structure of the box body is simplified, and the transmission concentricity is ensured. The suspension wire coil and the lamp wire coil which are coaxially arranged are matched with the independent driving parts A and B and the controller board, independent driving control over a suspension wire and a lamp wire is achieved, the rotating speed of the suspension wire and the rotating speed of the lamp wire can be flexibly adjusted according to the wire diameter difference, and the problem of asynchronous take-up and pay-off is solved from the driving end; meanwhile, due to the structure that the suspension wire coil is fixed and the lamp wire coil is rotationally connected to the driving shaft, structural compactness and transmission independence are both considered, and operation is stable and reliable.

The invention discloses a device and a method for adjusting PLL (Phase Locked Loop) loop bandwidth based on VCO (Voltage Controlled Oscillator) working voltage. The device comprises a phase frequency detector, a digital filter, a digital oscillator and a frequency divider, the phase frequency detector is used for comparing the input signal with the output signal to obtain an error signal; the digital filter is used for processing the error signal; the digital filter comprises a proportional path; the digital oscillator is used for generating an output signal based on the processed error signal; the digital oscillator comprises a switch variable capacitor array; the switch variable capacitor array is used for adjusting the working voltage of the digital oscillator based on the error signal; the proportion path is directly connected with the phase frequency detector and the switch variable capacitor array; the frequency divider is used for carrying out frequency division on the output signal and feeding back the output signal to the phase frequency detector; by modifying the gain coefficient of the proportional path in the phase-locked loop, the adjustment of the loop bandwidth is realized, and the adjustment flexibility is improved.

The application discloses a parallel polynomial gradient calculation system and method based on a CMOS nerve synapse transistor, and relates to the technical field of calculation systems.The parallel polynomial gradient calculation system based on the CMOS nerve synapse transistor adopts a basic calculation unit containing at least one CMOS transistor, and configures the CMOS transistor to exhibit the dual-mode characteristics of neuron behavior and synapse behavior in a floating substrate operation mode, and meanwhile, combines a parallel array architecture, so that the application realizes a neuromorphic calculation hardware based on a standard CMOS process, utilizes mature CMOS manufacturing technology, avoids special materials and post-integration processes required by emerging devices such as memristors, thereby improving the manufacturability and yield of the system, and reducing production costs.Meanwhile, the inherent device consistency and long-term stability of the CMOS transistor effectively overcome the problems of large differences between devices and state drift in the memristor scheme, and realize high-precision polynomial gradient calculation.

The application relates to an intelligent fine pressure control device and method, and relates to the technical field of petroleum chemical industry, and is used for solving the problem of low pressure control precision in the mode of manually adjusting the valve. The intelligent fine pressure control device comprises a pressure control valve with an inlet and an outlet, a servo actuator connected with the pressure control valve, and a control module electrically connected with the servo actuator; wherein the control module can send a pressure control instruction to the servo actuator, and the servo actuator can drive the pressure control valve to act according to the pressure control instruction, so that the pressure at the outlet is equal to a preset pressure value. In the application, the control module is arranged, and the control module is used for sending the pressure control instruction to the servo actuator, so that the servo actuator can accurately drive the pressure control valve to act according to the pressure control instruction, so as to accurately adjust the pressure value at the outlet. Therefore, the adjusting precision of the intelligent fine pressure control device is improved. Furthermore, the precision control demand of automation and intelligentization of modern industry is met.