102results about How to "Easy to control speed" patented technology

The invention discloses a synthetic method of a water soluble ultraviolet light absorber BP-9. The method mainly comprises the following process steps: (1) carrying out methylation on the main raw materials of 2, 2', 4, 4'-tetrahydroxyl benzophenone, a transition metal salt catalyst and a mixed solvent which is prepared from dichloroethane and anhydrous ethanol in equal parts by weight to obtain 2, 2'-dihydroxyl-4, 4'-dimethoxyl benzophenone; (2) carrying out sulfonation reaction on the main raw materials of methylate, sulfamic acid and C1-C3 halohydrocarbon to obtain 2, 2'-dihydroxyl-4, 4'-dimethoxyl benzophenone-5, 5'-disulfonic acid; and (3) carrying out neutral reaction on the main raw materials of sulfonated product, inorganic base and ethanol water to finally obtain the BP-9 product. The synthetic method disclosed by the invention is few in reaction step, low in cost, high in product purity and stable in quality, and raw materials are easily available.

The utility model belongs to the technical field of semiconductors, and discloses a wafer bearing device and wafer testing equipment. The wafer bearing device comprises a bearing disc, a cooling member and a heating member. One side of the bearing disc is used for bearing wafers, and the bearing disc is provided with a plurality of adsorption holes used for adsorbing and fixing the wafers; the cooling piece is fixedly arranged on the other side of the bearing disc, and a cooling flow channel allowing cooling liquid to circularly flow is defined between the cooling piece and the bearing disc; the heating member is arranged on one side, far away from the bearing disc, of the cooling member and is used for heating the wafer. When the bearing device is used, heat generated by the heating piece can be transmitted into the bearing disc only through the one-layer structure of the cooling piece during transmission, so that the temperature control precision of the bearing disc is effectively improved, and when automatic control is carried out according to an actual control program, the temperature difference amplitude of the bearing disc can be kept at + / -0.5 DEG C or even lower; therefore, the bearing disc can keep good temperature uniformity in the wafer testing process.

The invention belongs to but is not limited to the technical field of electrical control, and particularly relates to a DC-DC converter control method and system based on adaptive droop control, and the method comprises the steps: deducing a corresponding mathematical model before designing a controller of an interleaved multi-level boost converter; the original nonlinear model can be converted into a regular linear form by using the new state variable; the converted reduced-order model is equivalent to the differential homomorphism of the reduced-order model, a control target can be changed, and the total storage energy gradually tracks a reference value of the reduced-order model; aiming at a state variable and a disturbance quantity in an established system model, designing a self-adaptive sliding-mode observer which can compensate a disturbance influence in a feedforward mode; controlling a state variable by using a sliding mode controller based on a disturbance observer; a phase current balance compensator is designed, wherein simple and effective phase current balance compensation is adopted in a closed-loop interleaving multi-level boost converter system; a typical distributed control strategy, namely droop control, is added in the system.

The invention discloses a double-ring segmented PID feedforward control charging method and system for an electromagnetic emission energy storage device, and the method specifically comprises the steps: firstly obtaining a current voltage set value, obtaining the charging voltage and charging current of an energy storage capacitor in real time, and calculating a voltage error; calculating a current error according to the voltage error, and calculating a control quantity according to the current error for charging; when the actual voltage reaches a voltage threshold value, a proportional controller coefficient of a voltage inner loop is reduced, trickle charging is carried out, feedforward estimation is adopted, a steady-state control quantity corresponding to a system when charging reaches a target value is used as an estimated value, and a final steady-state voltage is constrained; when the system detects that the capacitance voltage attenuation exceeds 2V, trickle charging is adopted to supplement the voltage; after an electromagnetic emission command is received, the system sends out a control pulse to conduct the silicon controlled rectifier, and the electromagnetic emission process is completed. The charging speed of the electromagnetic emission energy storage device in the middle and later periods of charging is increased, the charging efficiency is improved, overshoot is reduced, and the charging safety is improved.

The embodiment of the invention provides a winding needle, a winding device, battery manufacturing equipment and a winding method. The winding device comprises a winding needle, a pair of first clamping needles and at least one second clamping needle, the pair of first clamping needles are configured to move in the direction away from each other after the winding needle is pulled away from the electrode assembly so as to open the electrode assembly, and the second clamping needle is configured to move in the direction away from the electrode assembly in the process that the pair of first clamping needles open the electrode assembly. And the upper half part of the electrode assembly is supported. The winding needle comprises a winding needle body, a pair of first grooves are formed in the peripheral face of the winding needle body, the first grooves are used for containing first clamping needles, the pair of first grooves are formed in the peripheral direction of the winding needle body at intervals, at least one second groove is further formed in the peripheral face of the winding needle body, and the second grooves are used for containing second clamping needles. And the second grooves and the first grooves are arranged at intervals along the circumferential direction of the winding needle body. According to the technical scheme, the reliability of the battery can be improved.

The utility model discloses a flue gas cooling device which comprises a cooling channel, the two ends of the cooling channel are fixedly connected with connecting channels, the tail ends of the connecting channels are fixedly connected with fixing channels, the top of the cooling channel penetrates through and is rotationally connected with a fixing rod, one end of the fixing rod is rotationally connected with the inner bottom of the cooling channel, and the other end of the fixing rod is rotationally connected with the inner bottom of the cooling channel. The outer side wall of the fixed rod is fixedly sleeved with a fixed fan blade, and the other end of the fixed rod is fixedly connected with a fixed bevel gear. According to the utility model, the driving bevel gear on the driving rod is driven by the driving motor to rotate and then the driving bevel gear drives the fixed fan blades on the fixed bevel gear to rotate forwards or backwards, so that the flowing direction and speed of flue gas can be conveniently controlled, the flowing of the flue gas can be regulated and restrained as required, and meanwhile, the cooling of the flue gas is uniformly controlled; therefore, the use effect is improved.

The invention particularly relates to a damping mechanism which is used for connecting a kettle body and a kettle cover, and the damping mechanism comprises a first friction assembly, a second friction assembly and a third friction assembly, the second friction assembly is arranged on the kettle body, and the kettle cover is connected with the second friction assembly of the kettle body through the first friction assembly; the elastic compression part is connected with the first friction assembly or the second friction assembly and used for pushing the first friction assembly and the second friction assembly to be tightly attached to each other, and a friction damping structure is formed between the first friction assembly and the second friction assembly. According to the damping mechanism provided by the invention, the principle of friction damping is utilized, so that when a user opens the kettle cover with one hand, the force of pulling the kettle cover by a thumb is proper and uniform, and the cover opening speed is constant and controllable, so that the requirements of the user on damping precision and operation hand feeling are met, the user experience is improved, the kettle cover can be kept in an open state, and the user experience is improved. And the damping mechanism has the advantages of simple structure, low manufacturing cost and high reliability.

The present invention discloses a glue powder coating device and glue powder coating method for water drill grinding and polishing, and belongs to the technical field of water drill processing. The device includes a frame, a support on the frame that can move up and down, a lifting structure between the support and the frame, a powder tray on the support, a powder scraping structure on the support, and a servo advance and retreat structure between the support and the powder tray; the powder scraping structure is fixed on the support, and the powder tray can reciprocate back and forth on the support; when applying powder, the servo advance and retreat structure drives the powder tray to step backward from the starting position, and after each stepping movement, the lifting structure drives the powder tray to reciprocate up and down once to apply powder, and at this time the powder scraping structure is in a scraping state; after a predetermined number of powder applications, the servo advance and retreat structure drives the powder tray to move forward to the starting position, and the powder scraping structure moves from the front of the powder tray to the back of the powder tray, and at this time the powder scraping structure is in a powder pushing state. This patent adopts a method in which the powder scraping structure does not move and the powder tray moves, which can reduce dust in the powder application process and reduce the amount of glue powder used.

The invention discloses a Bluetooth communication method and device of intelligent devices and a readable storage medium, applied to a mobile terminal, the method comprises: monitoring a first number of intelligent devices having established a Bluetooth connection with the mobile terminal, the intelligent devices having a Bluetooth connection function, and the first number being greater than 1; if it is monitored that Bluetooth connection of a second number of intelligent devices fails, scanning is carried out again, and the second number is smaller than the first number; and performing Bluetooth connection based on the second number of intelligent devices which have the strongest signal intensity after scanning and belong to the group, thereby ensuring stable communication between the mobile terminal and the intelligent devices, and improving the working efficiency of the intelligent device system.

The invention relates to a multi-dimensional displacement synchronous calibration device and calibration method based on the Internet of Things technology, the device comprises a mobile platform unit, a mobile control unit and an intelligent terminal, the mobile platform unit is detachably superposed in the height direction to realize superposition of displacement dimensions, and the intelligent terminal is used for collecting data; when one mobile platform unit is adopted, X-direction one-dimensional calibration is carried out; when the two overlapped mobile platform units are adopted, two-dimensional calibration in the X direction and the Y direction is carried out; when the three overlapped mobile platform units are adopted, three-dimensional calibration in the X direction, the Y direction and the Z direction is carried out; and each mobile platform unit is connected and controlled by an independent mobile control unit to move. The device has the advantages that high-precision automatic displacement calibration of the sensor can be realized, and synchronous calibration in two-dimensional and three-dimensional deformation directions can be realized through combination in different directions.

The present application discloses a portable multi-stage induction coil transmitter and control method, the control method comprising: increasing the battery voltage to the voltage required for transmission through a DC-DC switch boost circuit; modulating the voltage required for transmission through a DC-AC voltage modulation circuit to obtain a sinusoidal AC voltage of a preset frequency; after applying the sinusoidal AC voltage of the preset frequency to the transmitting coil, using the sensor signal of the front end of each coil to detect the projectile to control the on-off of the IGBT to achieve the best match between the projectile position and the coil working state. The induction coil transmitter is portable and miniaturized by using a battery DC power supply, and the output voltage of the DC-DC boost circuit, the output voltage frequency of the DC-AC voltage modulation circuit, and the working selection of each coil are adjusted by controlling the IGBT to output a PWM switch signal to achieve controllable projectile speed, and the projectile position is matched with the working coil by using the IGBT to control the transmitting circuit.

The utility model relates to a negative pressure charging mechanism for crude magnesium smelting, which belongs to the technical field of crude magnesium feeding and comprises a reduction tank, a charging component and a hopper, a water jacket is sleeved outside a tank opening of the reduction tank, and a sealing sleeve is inserted into the tank opening of the reduction tank. The charging assembly comprises a feeding pipe, a negative pressure fan and a dust remover, the feeding pipe penetrates through the sealing sleeve and can extend into or out of the reduction tank, a feeding port connected with the hopper is upwards formed in the end, away from the reduction tank, of the feeding pipe, an air inlet of the negative pressure fan is communicated with the sealing sleeve, and an air outlet of the negative pressure fan is connected with the dust remover; and the dust remover is connected with the feeding hole. The charging mechanism replaces traditional manual inward pushing, and has the advantages that after improvement, negative pressure circulation can be used for sucking materials, automation is basically achieved during manual operation, the labor intensity of workers is greatly reduced, the speed can be controlled, the operation time is shortened, dust on ball materials is sucked away through negative pressure, dust removal, filtration, reuse and ball pressing are conducted, the quality of the ball materials is improved, and the working efficiency is improved. The yield is improved.

The application relates to the field of mechanical arm control, and discloses a mechanical arm speed control method and device, computer equipment and a storage medium, the method comprising the following steps: acquiring an actual position of a robot end flange at a current moment, and acquiring a desired position of the end flange of the mechanical arm at a next moment according to path planning of the mechanical arm; calculating a control speed of the mechanical arm at the current moment according to the actual position, the desired position and a preset trajectory tracking model; performing inverse Jacobian transformation on the control speed to obtain corresponding motor output force, and performing corresponding control according to the motor output force. The movement of the mechanical arm can be controlled in a speed control mode, the control speed and real-time performance are improved, and control errors are reduced.

The present invention relates to a folk culture fully automatic iron flower and iron filings recovery system, which uses a medium frequency furnace to quickly melt metal iron, and the molten iron flows through the melt outlet to the melt spoon on the circulating traveling vehicle, and is brought to the striking motor by the circulating traveling vehicle for striking, thereby forming a spectacular performance of iron flower. The melt outlet is controlled by a melt mouth switch driving mechanism, and a graphite baffle can be pulled open to control the flow of molten iron. When the iron flower striking is completed or in the process, the electromagnetic collecting rod can also automatically recycle the cooled iron filings, thereby forming a complete set of fully automatic iron flower and iron filings recovery system. The control logic of the present invention is clear and reasonable; rapid layout can be achieved; the melting efficiency is high, and the iron filings can be recycled and reused; iron flowers can be struck at different positions; the striking speed and strength are controllable.

The invention discloses a wireless intelligent real-time highway speed monitoring device, and relates to the field of vehicle speed monitoring devices.The wireless intelligent real-time highway speed monitoring device comprises a monitoring box assembly and a shielding assembly arranged at the top of the monitoring box assembly, a solar cell panel is arranged on one side of the shielding assembly, and a moving assembly is arranged at the bottom of the monitoring box assembly; a bottom cavity frame box is arranged at the bottom of the monitoring box assembly, the moving assembly comprises four sets of supporting cavity blocks fixedly connected to the lower end of the monitoring box assembly, the shielding assembly comprises a top frame plate fixedly installed at the upper end of the monitoring box assembly, and a hydraulic cylinder is arranged on one side of the top face of the top frame plate. According to the arrangement, the equipment can be easily moved through the moving assembly, the situation that when traditional equipment is moved, a forklift or manual lifting is needed for carrying is avoided, the problem that the real-time highway speed monitoring device is difficult to move is solved, more requirements of users are met, and the practicability is high. And the application range of the monitoring device is wider.

The application discloses a contact type laser scalpel convenient for speed control, and relates to the technical field of laser scalpel, which comprises a joint, a scalpel head arranged at the bottom end of the joint, and support assemblies symmetrically arranged on the two sides of the scalpel head; the support assembly comprises a spreading part, the spreading part is arranged in an inclined mode, the distance between the two spreading parts gradually decreases in the vertical upward direction, and the top end of the spreading part is hinged to the joint; the bottom end of the spreading part is in contact with human tissue S, and when the scalpel head is pushed down, the bottom ends of the two spreading parts gradually move away to push the wrinkled human tissue S flat. Two inclined spreading parts are symmetrically arranged on the two sides of the scalpel head, when the scalpel head is pushed down, the downward movement of the scalpel head can drive the bottom ends of the two spreading parts to gradually move away, so that the wrinkled human tissue S can be pushed flat, the bleeding part buried in the wrinkles is exposed, hemostasis is facilitated, the whole hemostasis process is short, the speed can be conveniently controlled, and the actual hemostasis efficiency is improved.

This utility model discloses an adjustable-angle concrete unloading chute device, relating to the field of concrete construction technology. It includes a base, a lifting plate, a main chute, and an auxiliary chute. Two guide rails are fixedly connected to the upper end of the base, and servo motors are fixedly installed on the upper ends of each guide rail. Threaded rods are fixedly connected to the power output ends of the servo motors. A lifting plate is located above the base, and sliders are fixedly connected to both sides of the lifting plate. The servo motor drives the threaded rods, and in conjunction with the sliders and guide rails, the chute height can be precisely and conveniently adjusted to accommodate unloading points of different heights. The auxiliary chute, through a limiting strip cooperating with the limiting groove of the main chute, can slide flexibly and be locked using fixing screws. The total length of the chute can be flexibly adjusted according to the unloading distance. Furthermore, a servo cylinder can adjust the tilt angle of the main chute, facilitating control of the concrete unloading flow direction and speed, making the unloading process more in line with construction needs, and improving construction efficiency and quality.

The application discloses a mechanical movement system and an automatic system for ultrasonic detection in a limited space, which comprises a shell, a sliding plate, a Z-axis lifting assembly, a rotating assembly, a linear guide rail and a clamp, the Z-axis lifting assembly and the linear guide rail are arranged on the inner wall of the shell along the axial direction of the shell respectively, and the clamp is fixed to the bottom of the shell, one side edge of the sliding plate is connected with the lifting part of the Z-axis lifting assembly, and the other side edge of the sliding plate is slidably sleeved on the linear guide rail, the rotating assembly is fixed to the middle position of the sliding plate, and the axis of the rotating assembly is coaxial with the central axis of the clamp. The application combines each system with each other, finally forms an automatic system for integral detection, and completes the detection work, so that the detection efficiency is greatly improved, the system can implement the detection on the surfacing weld in the inner wall of the limited space, and meets the requirements of technical conditions and standard specifications.

The invention relates to the technical field of injection molds, in particular to a plastic part injection mold which comprises an injection molding hole, a male mold plate, a female mold plate and a cooling assembly. The device further comprises a fixing plate, a jacking assembly and a connecting assembly. The fixing plate comprises an upper fixing plate and a lower fixing plate; the jacking assembly is connected with the lower fixing plate; the connecting assembly is connected between the upper fixing plate and the jacking assembly; when the plastic part is ejected and pressed by the ejector rod, the plastic part is fixed, and the force on the plastic part is gradually increased, so that the surface ejection deformation of the plastic part caused by excessive instantaneous pressure is avoided, the ejection process is changed from slow to fast and then slow, the influence of vacuum negative pressure on the plastic part is reduced, and the demolding quality of the plastic part is ensured; therefore, the problem of low surface quality of a plastic part finished product caused by high pressure between the plastic part and the ejector rod in the demolding process of a product with a small size and an irregular shape is solved.

The invention discloses a positioning device and a processing method of a printed board module for wave soldering, and belongs to the technical field of printed boards. The positioning device comprises a bottom plate and a positioning assembly; the bottom plate is provided with an avoiding hole for avoiding a printed board on the printed board module; the positioning assembly comprises a fixing block, a first guide rail, a second guide rail, a third guide rail and a fourth guide rail, the fixing block is located on the bottom plate, the first guide rail and the second guide rail are arranged on the bottom plate, sliding grooves extending in the first direction are formed in the first guide rail and the second guide rail correspondingly, and the two ends of the third guide rail are slidably inserted into the sliding grooves correspondingly; a first movable block and a second movable block are arranged on the third guide rail, and a third movable block is arranged on the fourth guide rail. The positioning device of the printed board module for wave soldering provided by the embodiment of the invention not only can position and clamp shells of printed board module assemblies with different shapes and sizes, but also can improve the welding consistency and reliability of components on a printed board during welding.

The utility model discloses a speed increasing combination valve for an excavator and the excavator. The combination valve comprises a bucket rod bypass valve, a bucket bypass valve and a movable arm bypass valve. The bucket rod bypass valve, the bucket bypass valve and the movable arm bypass valve are the same in structure and each comprise a closed position, a through position, a hydraulic end opening, a first through opening and a second through opening, and the normal state is the closed position. Two-way ports of the bucket rod bypass valve, the bucket bypass valve and the movable arm bypass valve are all communicated with the oil tank; one port of the bucket rod bypass valve is connected with a bucket rod adjustable throttle valve; one port of the bucket bypass valve is connected with a bucket adjustable throttle valve; and one port of the movable arm bypass valve is connected with a movable arm adjustable throttle valve. After the combination valve is connected, the working speed of the excavator can be increased, the oil return resistance of hydraulic oil is reduced after the combination valve is installed, the speed of the excavator can be controlled due to the existence of the adjustable throttling valve, and the power consumption of an engine and a hydraulic pump is not increased.

The application provides a speed control system of a weak magnetic method stress on-line detector and a control method thereof. The detector speed control system is used for detecting a component to be detected. The detector speed control system comprises a control structure and a control module. The control structure and the control module are signal connected. The control structure comprises an inner shell, an outer shell, a driving motor, a blade, a first flow hole, a second flow hole and a speed measuring sensor. The inner shell is arranged in the outer shell. The first flow hole is arranged between the inner shell and the outer shell. The driving motor is arranged in the inner shell. The output end of the driving motor is connected with a rotating rod. One end of the rotating rod which is arranged to pass through the side wall of the inner shell is connected with the blade. A plurality of second flow holes are arranged on the side wall of the outer shell which is close to the blade. The first flow hole is connected with the second flow hole. The problems that the existing nondestructive detection device cannot control the running speed when working in the pipeline, the detection precision is poor, the detection time is increased and the detection efficiency is reduced are solved.

The utility model provides a kind of spherical rolling body appearance detection equipment, including control device, feeding device, conveying development device, detection device and screening device, wherein, conveying development device includes conveying component and development component, conveying component includes porous turntable and supporting plate;Development component includes friction disc, friction disc is fixed on the rotating shaft of hollow rotating platform, hollow rotating platform is fixedly installed on hollow support plate, the slider of one side of support plate is connected guide rail, the slider of other side of support plate is connected other guide rail, support plate is connected servo module in the middle of connecting two sliders by two connecting pieces.The spherical rolling body appearance detection equipment of the utility model adopts servo module to accurately control the displacement and speed of linear motion of rotating friction disc, and then cooperates with the rotation of friction disc itself, to improve the quality of spreading on the surface of each spherical rolling body.

The invention discloses an automatic assembly and disassembly device for a reaction tube, comprising a mounting plate, on which are respectively provided: a turntable, on which are provided a plurality of receiving grooves, and the upper ends of the receiving grooves are provided with internal threads; a rubber plug assembly and disassembly mechanism, used for automatically installing or disassembling the rubber plug at the open end of the reaction tube; a clamping cap assembly and disassembly mechanism, used for automatically installing or disassembling the clamping cap at the upper end of the reaction tube and outside the rubber plug; a threaded cap assembly and disassembly mechanism, used for automatically installing or disassembling the threaded cap at the upper end of the receiving groove; and a turntable driving mechanism, used for driving each receiving groove on the turntable to rotate to the rubber plug assembly and disassembly station, the clamping cap assembly and disassembly station and the threaded cap assembly and disassembly station in sequence. The automatic assembly and disassembly device for a reaction tube disclosed by the invention can realize the automatic assembly and disassembly of the reaction tube and the turntable, that is, no manual operation is required during the assembly and disassembly process, and the work efficiency is high.

The invention discloses a material pressing device and a material pressing method for a vehicle back door outer plate, and relates to the technical field of material pressing, the material pressing device comprises an upper sliding block and a lower working table which are arranged in the vertical direction, the upper sliding block can move towards or away from the lower working table in the vertical direction, and a die pressing structure is located between the upper sliding block and the lower working table; the upper die is fixedly connected with the upper sliding block, the lower die is fixedly connected with the lower workbench, the upper die and the lower die are oppositely arranged in the vertical direction, the first material pressing plate can move in the vertical direction relative to the upper sliding block, and the second material pressing plate can move in the vertical direction relative to the lower workbench. The first pressing plate and the second pressing plate are additionally arranged to participate in pressing at the same time, uniform pressure can be applied in the pressing process, the flowing direction of plates is limited, process fluctuation caused by material movement is reduced, the problems of flowing and forming of the plates, R-angle sliding lines and the like in the forming process of workpieces such as a back door outer plate are solved, and the product quality is improved. And therefore, the product quality and consistency of the workpieces can be effectively improved.

The application provides a kind of electric power strong clamping device, including shell, clamping arm, rotating assembly, fork, screw rod, nut, frameless motor, rotating shaft, encoder and drive assembly;The shell has a channel for linear motion of the screw rod and the fork, the clamping arm is connected to the fork through the rotating assembly, the fork is fixedly connected to one end of the screw rod, the other end of the screw rod is screwed with the nut, the outer periphery of the nut is fixedly connected with the rotating shaft, the rotating shaft is drivingly connected with the frameless motor, the clamping arm is located on both sides of the upper end of the shell, so that the clamping arm switches between tightening and opening state with the movement of the screw rod;The frameless motor is fixed in the shell, the encoder is located below the rotating shaft, the drive assembly is located on one side of the shell, and the drive assembly is electrically connected with the frameless motor through the encoder.

A hydraulic excavator optimization method based on engine output power prediction and controller parameter setting belongs to the technical field of engineering machinery excavator control. This method establishes an engine output power time series prediction model and a hydraulic pump load torque multivariate mapping model, indirectly predicts the engine output torque, and directly calculates the hydraulic pump load torque. The gray wolf algorithm is used to optimize the PID controller for parameter setting. When the excavator is working, the controller predicts the engine output torque using the engine output power time series prediction model, calculates the hydraulic pump load torque using the hydraulic pump load torque multivariate mapping model, imports the difference between the engine output torque and the hydraulic pump load torque into the PID controller optimized by the gray wolf algorithm, adjusts the controller output current, changes the hydraulic pump output flow, and then adjusts the hydraulic pump output torque to be dynamically equal to the engine output torque, thereby achieving real-time stable control of the engine speed.

The invention belongs to the technical field of residual kerosene degreasing treatment, and discloses a degreasing device for PTFE dispersion resin film residual kerosene treatment. The degreasing device comprises a device body, a cleaning compartment, a smearing compartment and a degreasing compartment are formed in the device body, and a cleaning mechanism is arranged in the cleaning compartment; a smearing mechanism is arranged in the smearing compartment, and hot air equipment is installed on the side face of the degreasing compartment. Through cooperation of the cleaning mechanism, the cleaning compartment and other structures, the film can be directly cleaned conveniently, meanwhile, the film is soaked in clear water, the film is prevented from being damaged during cleaning, the two faces of the film can be cleaned at the same time through the soft bristle rollers arranged on the two sides of the film, and when the soft bristle rollers slide, the film can be cleaned conveniently. And through cooperation of the limiting support, the smearing mechanism and other structures, the swing frequency and speed of the spraying assembly can be conveniently controlled, and then the spraying dosage of the degreasing agent is controlled.

The invention discloses an intelligent panel type fire-fighting voltage-stabilizing control system which comprises a power supply loop, a main loop, a secondary control loop, a voltage-stabilizing pump controller and a signal acquisition module which are arranged in a fire-fighting cabinet, the power supply loop adopts a three-phase four-wire system power supply inlet wire, the main loop comprises two groups of alternating current contactors, a thermal relay and a water pump motor which are sequentially connected in series, the secondary control loop comprises a controller fuse, an intermediate relay and an indicator lamp, and the stabilized voltage pump controller is provided with a MicroSD card to record working state data. The signal acquisition module comprises a pipe network pressure transmitter, a water tank liquid level transmitter and a float switch; by integrating the intelligent control module and optimizing the circuit structure, the problems of low integration level, poor automation degree and insufficient reliability of the existing fire-fighting voltage-stabilizing control system are solved, and the fire-fighting voltage-stabilizing control system has the advantages of high flexibility, complete protection functions, high intelligence degree, strong communication capability, high integration level, safety, energy conservation and high precision; the method can be widely applied to fire-fighting water supply pressure-stabilizing control scenes of various buildings.