868 results about "Potentiometer" patented technology

The invention discloses a 3D (three-dimensional) rocker potentiometer assembling machine. The 3D rocker potentiometer assembling machine comprises a stander, wherein the stander is provided with a rotatable transporting tray, and the rotatable transporting tray is provided with a plurality of storage grooves for storing rocker assemblies; a mechanical hand mechanism and a rocker assembly transporting mechanism, corresponding to the storage grooves, are arranged on the surface of the stander and the periphery of the rotatable transporting tray, the stander is also provided with a controller which is connected with the rotatable transporting tray, the mechanical hand mechanism and the rocker assembly transporting mechanism, and the controller is connected with an electric control system below the stander. By adopting the 3D rocker potentiometer assembling machine, a 3D rocker potentiometer can be automatically assembled and tested; not only can the production efficiency be greatly improved compared to the manual assembling, but also the labor cost is saved.

The invention discloses a dual-mode dynamic cooperative control method and system based on pulling of a mooring line. The method comprises the steps that displacement electric signals are collected through double potentiometers; a Z-axis PWM signal is generated based on the displacement electric signal through a PWM signal generator; an XY-axis PWM signal is generated through the included angle difference between an XY rocker on the unmanned aerial vehicle and the mooring line; the Z-axis PWM signal is divided into two paths, one path is transmitted to a capstan electronic speed controller, and the other path is transmitted to the unmanned aerial vehicle and is combined with the X-axis PWM signal and the Y-axis PWM signal to form a three-dimensional control signal; setting a remote control signal and a winch potentiometer signal as well as a three-dimensional control signal and a winch manual signal as a first linkage group and a second linkage group respectively; when the first linkage group is switched on and the second linkage group is switched off, the unmanned aerial vehicle enters a first control mode; and when the second linkage group is switched on and the first linkage group is switched off, the unmanned aerial vehicle enters a second control mode. The method is used for solving the technical problems of single control mode, insufficient man-machine collaboration, poor environmental interference adaptability and limited control precision existing in traditional mooring unmanned aerial vehicle control.

The utility model discloses an ear canal embedded hearing aid, which relates to the technical field of medical instruments, and comprises a bearing assembly, the bearing assembly comprises a first packaging shell, a second packaging shell and a filter screen, a signal processing piece and a lithium battery are respectively arranged in the first packaging shell, and the second packaging shell is provided with a second packaging shell. The signal processing piece comprises a signal amplifier, a filter and a central processing unit, and a micro air pump, a control switch, a potentiometer and a microphone are installed on the right side of the first packaging shell. The beneficial effects of the utility model are that through the arrangement of the miniature air pump, the air delivery pipe and the expansion anti-skid assembly, when the ear canals of different users have large differences or need to be worn stably, the miniature air pump can be controlled to work, so that air enters the hollow rubber ring through the air delivery pipe and the delivery pipe, and the hollow rubber ring is gradually expanded to be in contact with the ear wall; therefore, the wearing stability of the bearing assembly is ensured, and the sound definition after conversion of the receiver is ensured.

The invention relates to the technical field of robots, in particular to a dexterous hand and a robot, and solves the problem that a dexterous hand in the related technology cannot have a high degree of freedom and a small size at the same time. The dexterous hand comprises the palm base plate, the multiple finger assemblies and the multiple driving assemblies, the multiple driving assemblies drive the multiple finger assemblies to move, and therefore the dexterous hand has the high degree of freedom. The driving assembly comprises a driving source, a lead screw, a lead screw sliding block and a potentiometer, an output shaft of the driving source is connected with the lead screw to drive the lead screw to rotate, and the lead screw sliding block is in threaded connection with the lead screw and is rotationally connected with the knuckles of the finger assembly. The lead screw sliding block comprises an identification hole penetrating through the lead screw sliding block in the extending direction of the lead screw, the potentiometer penetrates through the identification hole, is connected with the side face of the driving source or the end, close to the output shaft, of the driving source and is parallel to the lead screw, the potentiometer does not need to occupy the axial space of the driving source, and the size of the dexterous hand is small. Therefore, the dexterous hand can have a high degree of freedom and a small size at the same time.

The utility model discloses an electronic brake gear adjusting device for a water dripping wheel, which relates to the technical field of fishing gears and comprises a line cup component, a line wheel seat, a magnetic brake component, a cover plate and an adjusting operation unit. The adjusting operation unit comprises a gear adjusting rotating ring, an operation rod and a shifting piece. The gear adjusting rotating ring is rotationally installed on the inner side of the cover plate, and the operating rod penetrates through an arc groove in the cover plate to stretch out. The shifting piece is fixed to the bottom end of the gear adjusting rotating ring and sequentially triggers a plurality of toggle switches on the electric control board along with rotation of the rotating ring. According to the utility model, a discrete triggering mode that the mechanical swivel is combined with the toggle switch is adopted, traditional potentiometer adjustment is replaced, the problem of reliability caused by potentiometer abrasion is solved, meanwhile, clear gear feedback and operation hand feeling are provided for a user, and the device has the advantages of being simple in structure, long in service life and visual in operation.

The utility model relates to a rear-phase-cut single-live-wire type wall light modulator, which comprises an MOS (Metal Oxide Semiconductor) tube switch loop unit, a singlechip control unit and a direct-current power supply unit, the MOS tube switch loop unit comprises a wiring terminal J2 connected with an MOS tube Q1, a grid electrode of the MOS tube Q1 is connected with four resistors in series in sequence and then is connected with an MOS tube Q2, a drain electrode of the MOS tube Q2 is connected with a diode D2, the diode D2 is connected with a diode D1, a fixed end contact of a single-pole double-throw switch is connected with the MOS tube Q2, and two movable end contacts of the single-pole double-throw switch are connected with the wiring terminal J1 and the wiring terminal J3 respectively; the direct-current power supply unit comprises an alternating-current voltage waveform acquisition circuit, a direct-current voltage drop circuit, an overcurrent protection circuit and a filtering voltage stabilizing circuit; according to the single-chip microcomputer control unit, a linear sliding potentiometer is connected with the PC2 end of a single-chip microcomputer after being connected with a resistor in series, the linear sliding potentiometer and a rotary potentiometer are sequentially connected between the output end of the direct-current power supply unit and the ground in series, a triode Q6 is connected with a triode Q5 and then connected with the collector electrode of a triode Q7, and the base electrode of the triode Q7 is connected with the PA6 end of the single-chip microcomputer after being connected with a resistor in series.

The invention relates to the field of explosion-proof lamps, in particular to an LED explosion-proof lamp which comprises an explosion-proof lamp shell, a light source cavity is formed in the explosion-proof lamp shell, a light source plate is arranged in the light source cavity, and a plurality of cooling fins are fixedly connected to the top end of the explosion-proof lamp shell in an annular array mode. A power supply cavity and a wiring cavity are formed in the power supply shell; the dust concentration detection mechanism is used for detecting the dust concentration in the air; according to the explosion-proof lamp, the dust concentration detection mechanism, the potentiometer and the processor are arranged, the potentiometer adjusts the brightness of the light source plate according to the dust concentration detected by the dust concentration detection mechanism, so that the brightness of the explosion-proof lamp is enhanced when the dust concentration is large, the working environment brightness is improved, and workers can conveniently observe the environment; when the dust concentration is small, the brightness of the explosion-proof lamp is reduced, the power consumption is reduced, the heating value of the explosion-proof lamp is reduced, and the service life of the explosion-proof lamp is prolonged.

The invention discloses a stove firepower display control method, a stove and a range hood. The stove firepower display control method provided by the embodiment of the invention is applied to the stove. The cooker comprises a mechanical knob and a potentiometer. The mechanical knob is connected with the potentiometer. And when the mechanical knob rotates, the potentiometer is driven to rotate synchronously, so that the resistance of the potentiometer is changed. The stove is in communication connection with the range hood. The range hood comprises a control panel. The control method comprises the steps of obtaining output voltage of the potentiometer; determining the gas flow of the cooker according to the output voltage; and the gas flow is sent to the range hood, so that the firepower state corresponding to the gas flow is displayed through the control panel. Therefore, the firepower state of the kitchen range can be used as visual data to be displayed on the control panel of the range hood, and the problem that a user is difficult to accurately and timely identify the firepower condition of the kitchen range is effectively solved.

The invention relates to an electric control system test board for engineering equipment, which comprises a test box, a comprehensive controller, an operation control box, a closed pump control box and a computer, the test box is connected with a tested electric control system through a test cable, and the electric control system is tested by pulling a toggle switch on a panel of the test box or rotating a single-circle carbon film potentiometer. An analog switching value or an analog quantity electric signal is transmitted to a tested electric control system and processed by an electric control system controller to control a corresponding system state indicating lamp on the test box to be lighted so as to test the correctness, stability and safety of the function of the electric control system, and the system can be operated by a single person, is simple and convenient to operate, is high in test response speed, and is visual and clear in test result. Powerful support is provided for early-stage performance analysis, system design, test verification and production delivery of the electric control system of the engineering equipment, so that the production quality of the engineering equipment is continuously improved, the time, manpower and material cost is reduced, and the development and production cycle is shortened.

The flushing valve comprises a valve body and a pressure sensing assembly, the valve body is provided with a water inlet end, a water outlet end and a water passing cavity communicated with the water inlet end and the water outlet end, one side of the valve body is provided with a pressure sensing channel, the pressure sensing channel is communicated with the water passing cavity, and the pressure sensing assembly comprises a piston rod, an elastic piece and a potentiometer. The piston rod is arranged in the pressure sensing channel and arranged in the axial direction of the pressure sensing channel, the elastic piece provides axial elastic force for the piston rod, the direction of the elastic force is opposite to the water inlet direction of the pressure sensing channel, a movable contact of the potentiometer is connected with the piston rod, and water pressure in the pressure sensing channel can drive the piston rod to overcome the elastic force to push the movable contact. Water enters the pressure sensing channel and pushes the piston rod, the piston rod compresses the spring and pushes the potentiometer, the resistance voltage of the potentiometer generates related changes, and water pressure detection is achieved.

Embodiments of the present disclosure provide for a light emitting apparatus comprising a housing portion that is rotatably coupled to a base portion, wherein the housing portion is adjustable on two axes of rotation. In certain embodiments, the housing portion may be selectively disconnected from the base portion. The light emitting apparatus may comprise at least one LED operably engaged with at least one LED driver and a potentiometer to enable a selectively variable lumen output. In accordance with certain embodiments, the housing portion comprises at least one lens portion configured to enable one or more interchangeable / modifiable beam spread optics.

A sliding cover for a liquid delivery device, such as a cap (100) for a pen injector (200), incorporates a set of sensors including an optical sensor (110) with an output which changes during uncapping or capping motions on passing of a plunger (220) of the pen injector. This output is used together with a position sensor (120) to determine the position of the plunger along a cylinder (210) of the liquid delivery device. By monitoring changes in the plunger position, the quantity of dosages delivered by the liquid delivery device can be determined, displayed, stored and / or transmitted to an external device for further data processing or storage. Preferred implementations of the invention employ optical sensors with a converging beam (115), and / or position sensors employing linear potentiometer strips (132).

The invention provides a copper-nickel-tin alloy strip and a preparation method thereof, and relates to the technical field of copper alloys. The copper-nickel-tin alloy strip provided by the invention comprises the following components in percentage by mass: 8.5%-10% of Ni, 1.5%-3% of Sn, 0.5%-1.5% of Al, 0.3%-0.6% of Si, 0.19%-0.21% of Cr, 0.05%-0.30% of Mn and the balance of Cu. The tensile strength of the copper-nickel-tin alloy strip ranges from 580 MPa to 770 MPa, the percentage elongation after fracture A50 is larger than or equal to 8%, the hardness ranges from 170 HV to 240 HV, the electric conductivity is larger than or equal to 10% IACS, and the grain size is smaller than or equal to 0.015 mm. And the material can be stably applied to elastic sensitive elements of electronic industrial relays, potentiometers, switches, connectors, lead frames, control and instrument sensors and the like.

The invention provides an oil tank truck tank body inner wall cleaning robot and a control method, and the cleaning robot comprises a robot body which comprises a machine body, a plurality of advancing legs, a steering engine and a potentiometer; the advancing legs are arranged in parallel, so that the robot body can climb over a wave-proof plate in the tank body; the cleaning assembly comprises an electric telescopic rod, a high-pressure hydraulic rotating nozzle and a telescopic water conveying pipe, one end of the telescopic water conveying pipe is connected with the high-pressure hydraulic rotating nozzle, and the other end of the telescopic water conveying pipe is connected with a conveying pump; the camera is used for acquiring an internal image of the tank body and judging the cleaning degree and / or the cleaning effect in the tank body; the laser radar is used for acquiring a three-dimensional point cloud image in the tank body so as to construct an environment map in real time and locate the position of the robot; the robot body further comprises a main control board, an inertial measurement unit module and a network communication assembly. The automatic cleaning device can overcome the limitation of the material of the tank body and realize the automatic cleaning of the inner wall of the tank body of the oil tank truck with the washboard.

The invention relates to a PID (Proportion Integration Differentiation) control inertial servo system and a control method. The PID control inertial servo system comprises a controller, a control circuit, a driving circuit, a motor, a potentiometer, a system clock, a timer, an analog-to-digital converter, a plurality of serial ports, a communication bus, main control equipment, a steering engine, a fuzzy PID control module, a sampling module, a current sensor, a linear quadratic regulator, a PWM (Pulse-Width Modulation) duty ratio module and an integration module, the control circuit comprises a control chip; the driving circuit comprises a first driving circuit and a second driving circuit; the first driving circuit comprises a driving chip; and the second driving circuit is electrically connected with the motor and is provided with a plurality of switches. On the basis of position closed-loop feedback, with the fuzzy PID control algorithm as the core, optimal system parameters are obtained through a linear quadratic regulator, and compared with traditional PID control, fuzzy PID control has higher control precision, stability and response speed.

1. The name of this design product: magnetically encoded potentiometer. 2. Purpose of this design product: used to adjust voltage and current. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The utility model discloses a novel linear sliding potentiometer which comprises a base, a PCB, a sliding piece, an upper cover and a plurality of terminal pieces, the sliding piece is arranged between the base and the upper cover in a sliding mode, a carbon film is arranged on the upper surface of the PCB, a contact piece is fixedly arranged at the position of the sliding piece, and the contact piece is in sliding contact with the carbon film on the upper surface of the PCB. The terminal piece is inserted in the connecting through hole of the PCB, and the terminal piece and the PCB are embedded in the base. According to the linear sliding potentiometer, the structural design that the PCB and the terminal piece are embedded in the base is adopted, compared with the prior art, the structural design is more convenient to produce and manufacture, the production and manufacturing process of the linear sliding potentiometer is effectively and further simplified, and therefore the production efficiency is improved.

The invention discloses a dexterous hand capable of demonstrating. The dexterous hand comprises a plurality of fingers, a palm skeleton, a connecting bracket, a demonstrator and an electric push rod box, the fingers are connected with the palm framework, the palm framework is connected with one side of the connecting support, and the other side of the connecting support is connected with the demonstrator and the electric push rod box. The demonstrator is provided with a plurality of pull rings, a plurality of finger rotating potentiometers and a handle, the pull rings are connected with finger joints through tendon ropes, the tendon ropes drive fingers to bend the freedom degree direction, the finger rotating potentiometers are used for controlling swing of the fingers, and the handle is used for driving and controlling the action of the thumb; a plurality of electric push rods are arranged in the electric push rod box and connected with finger joints through tendon ropes, and fingers are driven to bend in the freedom degree direction through the tendon ropes. Demonstration of freedom degrees in the swinging direction and the grabbing direction is completed through the demonstrator, double-channel tendon rope driving is achieved, the pulling force of the pull ring can be controlled, and therefore the grabbing force of fingers can be controlled, and grabbing force demonstration is achieved.

The utility model relates to the technical field of motor speed regulation, in particular to a direct current motor speed regulation circuit. The speed regulation circuit comprises an input connector CON1 used for accessing a DC input voltage; the output connector CON2 is used for connecting a direct current motor; the step-down chip ME3148 is used for converting the direct-current input voltage into adjustable output voltage, and the step-down chip comprises a VI N pin 8, an SW pin 2, an FB pin 4, a VC pin 7, a CS pin 5 and a GND pin 3. The direct-current motor speed regulation control circuit is simple in structure, can realize wide-range and high-precision speed regulation control only by adjusting a single potentiometer, has the characteristics of low cost and high reliability while ensuring the speed regulation performance, and is suitable for direct-current motor control scenes with higher requirements on speed regulation range and precision.

The application discloses a marine aluminum alloy plate oil immersion corrosion test method and device and a sample. A 50mm*50mm*4mm sample is processed on a marine aluminum alloy plate, and after surface treatment, the sample is placed in a special oil solution with a special ratio. Different test immersion periods are set. In the test process, a potentiometer is used to collect the potential change of the test sample. After the test, the average corrosion rate of the sample is calculated by the weight loss method, and the sample surface corrosion pit depth information is measured by a microscopic method, so that the corrosion evaluation of the marine aluminum alloy plate in the oil environment is realized. The application provides an evaluation method for the corrosion of the aluminum ship alloy plate in the oil environment. The method has high practical utility, is simple to operate, and can be popularized and used in the industry.

This utility model discloses a simulation device for testing the functional interface circuits of a simulating mobility scooter. It includes a controller with various functional interfaces, a plastic housing for testing the simulation interfaces, and a circuit board for interface simulation control connectors. A power enable switch, a simulated manual brake switch, an electromagnetic brake switch, a speed switching mode switch, a speed control potentiometer, an adjustable resistor mounting position, a horn, a working status indicator light, and CAN converter connector terminals are all electrically connected to the interface simulation control connector circuit board. The controller connector terminals are electrically connected to the controller with its various functional interfaces via an adapter cable. The working status indicator light is used to detect and indicate whether the operation is normal. This device simplifies and reduces the cost of testing the controller's functional interfaces and allows for simulated monitoring of the lifespan of the simulating mobility scooter's functions after functional testing.

The utility model relates to the technical field of electronic circuits, in particular to a magnetic clamp control circuit and imaging detection aperture equipment, the magnetic clamp control circuit comprises a power supply circuit unit, a control circuit unit and a load circuit unit, the power supply circuit unit comprises a first switch, a switching power supply and a DC-DC voltage reduction module, the control circuit unit comprises an adjustable potentiometer and a knob switch, and the load circuit unit comprises a magnetic coil. According to the magnetic clamp control circuit of the utility model, through reasonable power supply conversion, voltage regulation and control design, the reliability and economical efficiency of imaging detection aperture equipment are effectively improved.

1. Name of the designed product: potentiometer (concave type). 2. Use of the designed product: potentiometer for adjusting tone, light, voltage and current. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

The present invention discloses an adaptive control system for a push tube machine with variable clamping force, belonging to the technical field of engineering machinery equipment. A clamp valve controls the connection to a clamp oil cylinder, and a clamp overflow valve is connected to the clamp oil cylinder; a push-pull valve controls the connection to a push-pull oil cylinder, and a push-pull overflow valve is connected to the push-pull oil cylinder; a clamp pressure sensor is installed on the clamp oil cylinder; the clamp pressure sensor is electrically connected to a vehicle-mounted controller; a push-pull large chamber sensor and a push-pull small chamber sensor are installed in the push-pull oil cylinder; the push-pull large chamber sensor and the push-pull small chamber sensor are electrically connected to the vehicle-mounted controller; a clamping force adjustment potentiometer and a push-pull force adjustment potentiometer are electrically connected to the vehicle-mounted controller, and the vehicle-mounted controller is controllably connected to the clamp valve, the clamp overflow valve, the push-pull valve, and the push-pull overflow valve. The present invention realizes the effect of reducing the clamp force on the premise of maintaining the clamping effect, thereby realizing the use under reduced pressure during construction and effectively extending the service life of the equipment.

The invention discloses a molten salt energy storage device and method based on nitrate, and the device comprises a plurality of resistors, a plurality of MOS tubes, a plurality of operational amplifiers, a plurality of diodes, a triode, a capacitor, a solid-state relay, a potentiometer, and a counter. The output end of an operational amplifier U7 in the plurality of operational amplifiers is connected with five pins of the potentiometer U2, and the anti-phase end inputs a temperature parameter signal IN1; the in-phase end is connected with eight pins of the potentiometer U2 and one end of the resistor R5; the six pins of the potentiometer U2 are connected with one end of a resistor R16 and the drain electrode of a PMOS tube Q2; the grid electrode of the PMOS transistor Q2 is connected with the output end of the operational amplifier U8, and the source electrode is connected with a power supply and meets the positive voltage requirement; the inverting end of the operational amplifier U8 is connected with a reference signal, and the in-phase end of the operational amplifier U8 is connected with the grid electrode of the NMOS tube Q1, one end of the resistor R4 and the collector electrode of the NMOS tube Q1; a base electrode of the triode U1 is connected with one end of the resistor R6; the drain electrode of the NMOS tube Q1 is connected with the other end of the resistor R6, one end of a resistor R7 and four pins of the solid-state relay U3; the other end of the resistor R7 is connected with one end of the capacitor C1.

The invention relates to the technical field of potentiometers, and particularly discloses a 3D rocker potentiometer, the top end of a shell is provided with a movable hole, the shell is buckled and connected to a supporting piece to form a mounting cavity, an upper rocker arm and a lower rocker arm are rotatably connected to the inner wall of the mounting cavity, and one end of a rocker penetrates through the upper rocker arm and extends out of the movable hole; the first sliding block is installed on one side of the lower rocker arm, the first brush is fixedly connected to the first sliding block, the second sliding block is installed on one side of the upper rocker arm, the second brush is fixedly connected to the second sliding block, a carbon film layer and a plurality of terminals are arranged on the carbon plate, and the terminals are all connected with the carbon film layer. The carbon plate is provided with the plurality of positioning holes, the plurality of terminals and the plurality of positioning holes are arranged in a one-to-one correspondence and penetrating mode, accurate positioning is achieved by additionally arranging the plurality of positioning holes in the carbon plate, the position accuracy of a carbon film in the printing and finished product assembling process is ensured, the overall quality of a product can be improved, and the output accuracy is remarkably improved.

The invention discloses an oil-immersed transformer winding temperature controller verification device, method, equipment and medium, and relates to the technical field of electrical equipment testing, the device comprises an intelligent current source module, a signal acquisition module, a central processing module and a man-machine interaction module; a programmable alternating current signal is generated through the intelligent current source module, and the dynamic load working condition of the transformer from no load to full load can be continuously simulated, so that a winding temperature rise curve is completely reproduced, and the defect that a traditional fixed point test cannot detect a nonlinear temperature rise error is overcome; a signal acquisition module is used for synchronously acquiring the current of a heating resistor, a 4-20mA temperature signal and the state of a microswitch, and dynamic current control and a temperature-current correlation analysis algorithm of a central processing module are combined; the automatic and accurate measurement and judgment of the temperature controller potentiometer calibration precision, the winding temperature indicating value error and the microswitch operating value are realized.

A miniaturized steering engine relates to the technical field of steering engines, and adopts the technical scheme that the miniaturized steering engine comprises a shell, a motor, an output shaft and a potentiometer, the output shaft is in transmission connection with the motor through a speed reducer, the potentiometer is connected with the output shaft, and the potentiometer comprises a rotating shaft, an electric brush sheet and a bottom plate; one end of the rotating shaft is in transmission connection with the output shaft, and the other end is provided with a plurality of fixing columns; the electric brush sheet comprises a connecting part, a first elastic contact and a second elastic contact; the base plate is provided with a resistor disc corresponding to the first elastic contact and a grounding electrode corresponding to the second elastic contact, the first elastic contact is electrically connected with the resistor disc, and the second elastic contact is electrically connected with the first elastic contact and the grounding electrode. The rotating shaft is directly connected with the output shaft, the connection mode of the rotating shaft and the bottom plate is improved, the overall size can be reduced, and the structures of the electric brush pieces and the bottom plate are improved.

The present invention discloses an oven and its control panel, and a single-knob control device, wherein the single-knob control device includes: an electric control mainboard, a control panel, a knob, and a parameter selection key; the electric control mainboard is installed on the control panel and is provided with an encoder or potentiometer; the knob is installed on the control panel and is rotatably connected to the encoder or potentiometer of the electric control mainboard; the parameter selection key is installed on the control panel and is electrically connected to the electric control mainboard. In this solution, first, the knob is rotated to select the working mode, then the parameter selection key is pressed to select the parameter to be adjusted, and then the knob is rotated to adjust the size of the parameter, thereby realizing integrated control and adjustment of functions such as working mode, temperature, and time. In other words, this solution integrates multiple control functions into a single-knob control device. In this way, this solution has the characteristics of convenient control, time-saving and labor-saving, high control integration, and small control space occupation; at the same time, it also helps to greatly improve the user experience.