69results about How to "Improve sensing accuracy" patented technology

The utility model discloses an electromagnetic induction type rocker potentiometer which comprises a bottom shell, a magnetic induction circuit board, a base, a sliding disc, a spring, a rocker, an upper rocker arm, a lower rocker arm and an upper cover, the magnetic induction circuit board with the magnetic induction module is installed on the lower side of the base, the permanent magnet is installed at the lower end of the rocker or one end of the upper rocker and one end of the lower rocker, and the permanent magnet is matched with the magnetic induction module in a magnetic induction mode. The magnetic induction module inducts the change of the magnetic field intensity of the permanent magnet and outputs induction signals, the size is small, the cost is low, and the induction accuracy is high.

The invention discloses a water intake monitoring method and device, an intelligent terminal and a storage medium, and the method comprises the steps: measuring the movement data of a water cup through an acceleration sensor, the movement data being the pose, movement speed and acceleration data of the water cup during the period from getting rid of the horizontal plane to returning to the horizontal plane; calculating a single water intake according to the mobile data; and generating a water intake report and a reminding message according to the single water intake. The method for detecting the water intake is high in accuracy, water intake management can be achieved only through the low-cost acceleration sensor, and the method has wide application prospects.

The invention relates to the technical field of hydrogen sulfide detection, and specifically to an online hydrogen sulfide analyzer, comprising a hydrogen sulfide sensor, a regulating pipe, and an outlet connecting pipe and an inlet connecting pipe connected at both ends of the regulating pipe, wherein an inner regulating cavity is arranged inside the regulating pipe, an interface to be fixedly inserted at the top of the regulating pipe, a protective connecting cavity and a sensor probe are fixedly arranged at the bottom of the hydrogen sulfide sensor, the protective connecting cavity is inserted into the interface to be inserted to the inside of an analysis flow slot, the inner regulating cavity is symmetrically provided with an analysis inlet slot and a comparison inlet slot, an analysis flow slot and a comparison flow slot, and a comparison outlet slot and an analysis outlet slot, and a lateral slot is also arranged inside the inner regulating cavity, the invention is adapted to a universal connection mode of a hydrogen sulfide analysis sensor, a corresponding interface and a same comparison cavity are arranged, and through the regulation and indication of the outside, a unit flow rate can be flexibly specified to perform hydrogen sulfide content analysis, so that the accuracy of detection is effectively improved.

The utility model relates to the field of encoders, and discloses a novel Hall rotary encoder, which comprises a shaft core and a PCB integrated block, one end of the shaft core is slidably connected with a wave disc, the inside of the wave disc is fixedly connected with a magnetic ring, one side of the PCB integrated block far away from the shaft core is fixedly connected with a chip, the periphery of the shaft core is fixedly connected with a shaft sleeve, and the shaft sleeve is fixedly connected with the magnetic ring. A rear cover abuts against the side, away from the shaft core, of the PCB integrated block, a middle cover abuts against the side, away from the chip, of the PCB integrated block, a positioning piece is fixedly connected to one side of the middle cover, a pressing piece is fixedly connected to one end of the shaft core, and a pressing switch is fixedly connected to the side, away from the chip, of the PCB integrated block. According to the utility model, the sensing precision is greatly improved and the rotation service life is greatly prolonged through the Hall chip, the precision of the EC11U can realize 512 pulses at most, and at the same time, the EC11U not only can be used for outputting conventional increment type signals, but also can be used for outputting absolute value signals.

The utility model discloses an electronic pressure switch, which is applied to the technical field of pressure switches, and comprises a switch main body and a joint, a support frame is arranged in the switch main body, a circuit board is bolted in the support frame, one end of the support frame far away from the joint is in interference fit with a silica gel pad, and the silica gel pad is connected with the circuit board. Two keys used in cooperation with the circuit board are symmetrically inserted in the side, away from the connector, of the switch body, and an induction core electrically connected with the circuit board is clamped in the connector. Pressure is sensed and measured through the sensing core body, and the pressure sensed by the sensing core body is finely measured through the circuit board, so that the pressure is fed back to the plug-in unit and is converted into an electric signal to be fed back to the plug-in unit, and the plug-in unit can transmit the electric signal outwards to drive the switch to be switched on and off. The sensing precision of the pressure switch is improved, and transmission errors are reduced. And the action is triggered directly through an electric signal without a mechanical moving part, so that quick response can be realized, and the practicability is improved.

The invention provides cardiovascular intervention postoperative treatment equipment which structurally comprises a lying plate, a moving seat, a telescopic part, a positioning block and a treatment assembly, the lying plate is embedded in the upper middle area of the moving seat, the telescopic part is fixed to the lower middle area in front of the moving seat and is in interval fit with the lying plate, and the positioning block is fixedly connected with the other end of the telescopic part; the treatment assembly is arranged at the upper end of the positioning block and is horizontally communicated with the lying plate; after the lying plate is further improved, the inner side of the plate body is completely covered by the sponge cushion, so that the back bone of a patient can be prevented from being in direct contact with the plate body, and the pain caused by the influence of the hardness of the plate body on the back bone is prevented; then, the infrared positioner on the plate body can be matched with the top part of the treatment assembly in a light induction mode through the infrared generating body of the infrared positioner, so that the cardiovascular treatment area of the patient can be determined through infrared induction instead of medical staff, and therefore the position determination accuracy and efficiency can be improved.

The invention relates to a sensing driver, a method of driving the sensing driver, and a display device. The sensing driver includes: a sensing channel sampling a first sensing voltage of a first sensing line in a first sampling period, the sensing channel sampling a second sensing voltage of a second sensing line in a second sampling period, and the sensing channel including a sampling capacitor; a first line selection switch connecting the first sensing line to the sensing channel in a first sub-sensing period; and a second line selection switch connecting the second sensing line to the sensing channel in a second sub-sensing period. In a first capacitor initialization period, a voltage having a first initialization level is applied to a first electrode of the sampling capacitor, and in a second capacitor initialization period, a voltage having a second initialization level different from the first initialization level is applied to the first electrode of the sampling capacitor.

A depth pixel of a time-of-flight (ToF) sensor includes a common photogate disposed in a central region of the depth pixel, a plurality of floating diffusion regions disposed in a peripheral region surrounding the central region, a plurality of demodulation transfer gates disposed in the peripheral region, and a plurality of overflow gates disposed in the peripheral region. The demodulation transfer gates transfer photocharge collected by the common photogate to the plurality of floating diffusion regions. The demodulation transfer gates are symmetric about each of a horizontal line and a vertical line passing through a center of the depth pixel and substantially perpendicular to each other. The overflow gates drain the photocharge collected by the common photogate and are symmetric about each of the horizontal line and the vertical line.

The invention provides a display panel, a preparation method thereof and a display device. The display panel comprises a driving backboard, a plurality of sub-pixels emitting light of different colors are formed on one side of the driving backboard, each sub-pixel comprises a pixel defining layer, the pixel defining layer is located on one side of the driving backboard and provided with a pixel opening, and a light-emitting function layer of the sub-pixels is formed in the pixel opening; the display panel further comprises a plurality of light absorption structures, the light absorption structures correspond to at least part of the sub-pixels, the light absorption structures are located on the pixel defining layer and surround the corresponding sub-pixels in the circumferential direction, and the minimum light absorption wavelength of each light absorption structure is smaller than or equal to the minimum light emitting wavelength of the corresponding sub-pixel. And the maximum light absorption wavelength of the light absorption structure is greater than or equal to the maximum light emitting wavelength of the sub-pixel corresponding to the light absorption structure.

The motor stator comprises a base, a Hall plate, an iron core and a positioning piece, the base is provided with an installation column, the outer side wall of the installation column is provided with a first positioning groove and a second positioning groove, the Hall plate is provided with a through hole, the Hall plate is sleeved on the installation column through the through hole, the inner side wall of the through hole is provided with a convex block, and the convex block is arranged on the iron core. The protruding block is arranged in the first positioning groove, the iron core is provided with a mounting hole, the iron core is arranged on the mounting column in a sleeving mode through the mounting hole, the inner side wall of the mounting hole is provided with a limiting groove, the limiting groove is communicated with the second positioning groove, and the positioning piece is inserted into the second positioning groove and the limiting groove. The Hall plate and the iron core are positioned and mounted on the mounting column, so that precise positioning and mounting of the Hall sensing component on the Hall plate and the winding on the iron core are realized, the mounting precision is ensured, position deviation can be prevented, the sensing precision of the Hall sensing component is greatly improved, and the service life of the Hall sensing component is prolonged. The control stability of the brushless motor is greatly improved, and the reliability is good.

The utility model relates to the technical field of electric heating towel racks, in particular to an electric heating towel rack which comprises a storage box, a first shell, a second shell and a hollow connecting column, towels are hung on the second shell, a heating module is arranged in the second shell, and a heating plate in the heating module can heat and dry the towels. A control module is further arranged in the towel rack and comprises a light-emitting part and a light sensing part which are arranged on the first shell and the second shell respectively, whether the towel is hung on the second shell or not is sensed through cooperation of the light-emitting part and the light sensing part, and therefore whether the heating plate is heated or not is controlled, and the towel rack can heat the towel more intelligently and efficiently.

The invention discloses an on-line monitoring device for an oil-immersed transformer, and particularly relates to the technical field of transformer monitoring, which comprises a shell, a buoyancy rod, a linkage ring and a displacement correction mechanism, wherein the displacement calibration mechanism comprises a support frame, a linkage screw rod, a micro gear motor, two sleeve blocks, a support block, a clamping plate, a torque force sensor, a connecting block, a sliding sleeve block, a sliding frame and a micro electric cylinder; the device further comprises a rotary calibration mechanism and a positioning calibration assembly. The displacement checking mechanism has the advantages that the oil level sensor can carry out vertical displacement checking and self-checking, the current change value of the oil level sensor can be accurately checked, and the monitoring precision is greatly improved, so that the problems that the sensing precision of the oil level sensor is greatly reduced and the reliability of the oil level sensor is greatly improved due to the fact that the oil level sensor is not checked and self-checked according to requirements are solved. The current change value of the oil level sensor is difficult to accurately check, so that the monitoring precision of the oil-immersed transformer is greatly reduced.

The application discloses a compensation device and method for laser phase noise of an optical frequency domain reflectometer, and relates to the technical field of distributed optical fiber sensing. The compensation device comprises a sweep laser source module, a main interferometer module, an auxiliary interferometer module and a signal processing module. The sweep laser source module is used for outputting a first sweep laser beam and a second sweep laser beam. The main interferometer module receives the first sweep laser beam and generates a first beat frequency signal related to the position of a scattering point of a sensing optical fiber. The auxiliary interferometer module receives the second sweep laser beam and generates a second beat frequency signal related to the position of a weak reflection point of an auxiliary optical fiber. The signal processing module collects the first beat frequency signal and the second beat frequency signal, extracts phase terms of the sensing optical fiber and the auxiliary optical fiber respectively, and realizes phase noise compensation. The compensation method realizes the function of the compensation device, that is, realizes phase noise compensation, analyzes the spectrum of compensation information again, and demodulates strain information along the sensing optical fiber. The application realizes uniform compensation of phase noise, and improves the system measurement distance, spatial resolution and strain accuracy.

The utility model relates to brake structure technical field especially relates to a kind of hall linear switch oil disc brake handle, including operating mechanism, hydraulic oil circuit system, piston assembly, electronic sensing element and fixed sealing piece.Operating mechanism is driven piston body to move in total pump oil cylinder by push rod, magnet steel is fixed on piston body, and hall fixed seat and hall switch are equipped outside total pump, and starting voltage adjustment is realized by adjusting hall fixed seat. Magnetic steel and hall switch non-contact sensing, output linear voltage signal;Hydraulic oil circuit system is fixed oil pipe by compression nut and beam ring, and piston assembly is equipped with return spring and sealing piece to ensure hydraulic performance. The structure realizes the high-precision electronic sensing of braking process, and the reliability of non-contact design is improved, and it is convenient to adjust, adapt to different vehicle models and user habits, improve system life and signal stability.

This invention relates to an optical frequency domain reflection system and method based on a voltage-controlled oscillator (VCO). The system mainly includes an arbitrary function generator, a laser, a VCO, a single-sideband modulator, an auxiliary interferometer, a main interferometer, and a polarization beam splitter. The arbitrary function generator, laser, VCO, and VSB modulator work together to generate the sweeping light required for measurement. This sweeping light is split into two paths: one path enters the main interferometer as probe light, and the other path enters the auxiliary interferometer to obtain the instantaneous frequency of the probe light. Based on the instantaneous frequency, the signal from the main interferometer is resampled using a one-dimensional interpolation method. This invention uses a low-cost, small-sized VCO as the radio frequency signal generator to generate a sweeping signal with fast frequency modulation performance, and compensates for phase noise caused by the nonlinearity of the sweeping signal by designing the optical path of the auxiliary interferometer and using a linear interpolation algorithm.

The invention discloses a harvester top cover assembly, and relates to the technical field of harvesters, the harvester top cover assembly comprises a top cover body arranged on a harvester and used for protecting a driver, and the top cover body is provided with an I-shaped frame; fixing bolts are inserted in the periphery of the top of the I-shaped frame, the bottom ends of the fixing bolts are in threaded connection to the top cover body through screw holes, mounting frames are fixed to the two sides of the top of the I-shaped frame, and a controller is embedded in the front face of one side of the top cover body; an auxiliary warning assembly used in cooperation with the top cover body is arranged on the mounting frame, through the arrangement of the auxiliary warning assembly, timely monitoring can be conducted when the harvester is about to collide with the height limiting structure, an alarm capable of autonomously expanding the warning range is used for warning a driver in time, the driver can conveniently observe that the height limiting structure cannot pass in time, and the safety of the harvester is improved. Therefore, the top cover body or the top protruding part of the harvester body can be effectively prevented from impacting the height limiting structure, and the safety of the harvester during driving is improved.

The utility model relates to the technical field of optical fiber sensors, in particular to an optical fiber F-P (Fabry-Perot) cavity sensing probe, which comprises a supporting layer with three-dimensional sizes smaller than 1cm, a first quartz plate, a second quartz plate and a third quartz plate which are sequentially stacked, a first through hole is formed in the middle of the first quartz plate, and a second through hole is formed in the middle of the third quartz plate. A second through hole is formed in the middle of the second quartz plate and right faces the first through hole, and the inner diameter of the first through hole is larger than that of the second through hole. One end of the ceramic ferrule is inserted into the first through hole and abuts against the second quartz plate, and a single-mode optical fiber is inserted in the middle of the ceramic ferrule in the axial direction. By means of the arrangement, weak ultrasonic signals in the electric appliance can be detected, and the detection sensitivity is high.

The invention discloses a yarn guide device based on distributed sensing and self-adaptive intelligent regulation and control and a tension monitoring system, relates to the technical field of chemical fiber manufacturing, and is suitable for high-speed spinning production of POY (pre-oriented yarn), FDY (fully drawn yarn) and the like. Aiming at the defects of monitoring lag, large error and dependence on manpower in the prior art, the system comprises a guide wire device body and an intelligent monitoring regulation and control system: the guide wire device body takes an aluminum oxide-silicon carbide composite ceramic substrate as a substrate, and an FBG distributed sensing array is integrated to realize tension in-situ high-precision detection (the error is less than or equal to + / -0.5%); the intelligent monitoring regulation and control system recognizes eight types of working conditions based on transfer learning and a self-adaptive SVM model through multi-parameter acquisition and feature fusion extraction, is integrated with a PLC system to complete automatic regulation and control of abnormity, and is assisted by graded alarm and 24-hour self-calibration functions. The full-process intelligent closed loop of the spinning tension is realized, the fiber quality consistency and the production efficiency are improved, the energy consumption and the maintenance cost are reduced, and the method is adaptive to the global monitoring of a multi-spindle production line.

The utility model discloses detection equipment for volatile organic gas, which comprises a shell, a display screen arranged at the top of the front side of the shell, a power switch, a detection switch, a fan switch and a keyboard fixedly arranged at the bottom of the front side of the shell, a battery mounting groove arranged at the bottom of the back side of the shell, and a rechargeable battery arranged in the battery mounting groove, the detection equipment comprises a shell, the bottom end of the shell is provided with a charging connector and a data interface, the top end of the shell is fixedly provided with an electrochemical sensor, and the sensing end of the electrochemical sensor is connected with two connectors. Air at the position to be detected is sucked through the suction hood, the air enters the two connectors through the hose, volatile organic gas starts to be sensed through the electrochemical sensor, detection of the volatile organic gas is achieved, the volatile organic gas is extracted through the suction hood, operation is easy and convenient, and the sensing precision and efficiency are improved.

The utility model discloses a motor rotor and a brushless motor, which are movably embedded in a stator assembly and located between the stator assembly and a rear end cover assembly. The motor rotor comprises a rotor end cover which is far away from one side of the rear end cover assembly, a magnetic shoe assembly, a magnetic ring seat and a magnetic ring piece which are sequentially arranged on one side, close to the rear end cover assembly, of the rotor end cover, a rotor iron core embedded in an inner groove of the magnetic shoe assembly, and a rotating shaft embedded in the inner side of the rotor iron core, and the magnetic ring piece is formed by enclosing at least four split magnetic rings; the sensor is embedded in the side, close to the rotor assembly, of the rear end cover assembly, the split magnetic rings are arranged close to the sensor, the machining mode that the split magnetic rings are formed one by one in a breaking mode is adopted, then the four machined and formed split magnetic rings are annularly arranged in a staggered mode, and in the process, the operation of machining protruding points on the surfaces of traditional integrated magnetic rings is not needed any more. And the processing technology of the magnetic ring is simplified under the condition that the original effect of the magnetic ring is ensured.

Disclosed are a signal sending method, a signal receiving method, an electronic device and a storage medium. The signal sending method includes the following. A first transmission signal is generated, where the first transmission signal includes a communication signal and a sensing signal, and the sensing signal occupies bandwidth resources of at least two component carriers in a frequency domain; and the first transmission signal is sent.

The invention relates to an optical frequency domain reflection system and method based on a voltage-controlled oscillator. The system part mainly comprises an arbitrary function generator, a laser, a voltage-controlled oscillator, a single side band modulator, an auxiliary interferometer, a main interferometer and a polarization beam splitter. Wherein the arbitrary function generator, the laser, the voltage-controlled oscillator and the single sideband modulator are matched to generate sweep frequency light required by measurement; the sweep-frequency light is divided into two paths, one path enters the main interferometer to serve as probe light, the other path enters the auxiliary interferometer to be used for obtaining the instantaneous frequency of the probe light, and signals of the main interferometer are resampled through a one-dimensional interpolation method according to the instantaneous frequency. According to the invention, a voltage-controlled oscillator with low cost and small volume is used as a radio frequency signal generator to generate a sweep frequency signal with fast frequency modulation performance, and phase noise caused by sweep frequency nonlinearity is compensated by designing an auxiliary interferometer optical path and a linear interpolation algorithm.

The utility model belongs to the technical field of refuse landfill assistance, and relates to a refuse landfill liquid level detection device which comprises a refuse landfill, a drilling-in cylinder, a floating inner cylinder and a liquid level probe, the drilling-in cylinder is detachably installed in the refuse landfill, the drilling-in cylinder is vertically placed in the refuse landfill, the floating inner cylinder is movably installed in the drilling-in cylinder, and the liquid level probe is arranged in the floating inner cylinder. The liquid level probe penetrates through the floating inner cylinder along the axis to be connected with the floating supporting plate in a clamped mode, the liquid level probe is connected with the detector through a wire, and scales are arranged on the drilling cylinder and the floating inner cylinder. Through the protection effect of the drilling barrel and the floating inner barrel, the liquid level probe is effectively prevented from being polluted and damaged by solid garbage or sharp garbage, and the liquid level probe can be driven by the floating inner barrel to accurately move along with the change of the liquid level of percolate, so that the sensing precision is improved; the scales on the drilling barrel and the floating inner barrel are beneficial for a worker to more intuitively observe the drilling state and the liquid level change, and the liquid level probe is matched with the scales of the floating inner barrel to form double-data guarantee.

The present application discloses an optical sensing device and an electronic device. The optical sensing device includes an image sensor chip and a lens module. The image sensor core includes a plurality of pixel units for receiving a light beam and converting the received light beam into a corresponding electrical signal, and a surface on one side of the image sensor chip for sensing the light beam is defined as a photosensitive surface. The lens module includes: a plurality of first lenses, arranged on the image sensor chip, the plurality of first lenses are arranged at intervals from each other and each first lens is facing a plurality of the pixel units, and the plurality of first lenses are used to converge the light beam to the plurality of pixel units; a light shielding portion, arranged on the image sensor chip, the light shielding portion is located in the interval area between the plurality of first lenses and is not shorter than the first lens in height, or is shorter than the first lens but not shorter than 10 microns, and the light shielding portion is used to block the light beam. The electronic device includes the optical sensing device.

The utility model discloses a passive wireless vibration sensing device and system, sensing device includes antenna group, the antenna group includes at least one antenna, antenna group is connected with frequency conversion device and phase modulation device, frequency conversion device is connected with phase modulation device, and phase modulation device is connected with piezoelectric device, sensing system includes read-write device, and read-write device is connected with at least one passive wireless vibration sensing device, the utility model can carry out real -time accurate monitoring to vibration under the condition of passive.

The utility model discloses an optical sensor assembly and a measuring system. The optical sensor assembly comprises a first substrate, at least two rows of first photosensitive arrays and at least two rows of second photosensitive arrays. The at least two rows of first photosensitive arrays and the at least two rows of second photosensitive arrays are arranged on the first substrate side by side in a staggered manner; the first substrate is provided with a first bonding pad connected with the first photosensitive array and a second bonding pad connected with the second photosensitive array; and the first bonding pad and the second bonding pad are used for connecting a control module. According to the technical scheme, the optical signal used for measuring the measured object is accurately and automatically detected through the optical sensor assembly so as to adapt to more measurement scenes and improve the measurement efficiency.

The present invention discloses a device, method and blood collection box for adaptively guiding puncture with an ultrasonic probe, so as to solve the problem that the pressing force of the ultrasonic probe cannot be adaptively adjusted and affects the quality of the ultrasonic image. The device includes an ultrasonic probe, an ultrasonic probe support assembly, a screw module, a drive motor and a control chip; the ultrasonic probe support assembly has a built-in pressure sensor above the non-detection end of the ultrasonic probe; the pressure sensor feeds back the pressure information to the control chip in real time, and determines whether the surface extrusion force exceeds the pressure setting threshold through the code to control the drive motor. The blood collection box including the device first obtains the optimal puncture area through a near-infrared camera and computer image processing, and then obtains the pressure information of the ultrasonic probe through the control chip to ensure that a high-quality ultrasonic image is obtained, thereby guiding the puncture with high precision. The mechanical operating end of the present invention can meet the puncture requirements of multiple puncture areas, while reducing the difficulty of control operation.

The utility model discloses a high-precision high-temperature-resistant oil-stain-resistant sensor, which relates to the technical field of sensors and comprises a sensor body, a mounting seat is fixed on the sensor body, a protective sleeve is inserted on the mounting seat, and a sealing plate is fixed at one end, far away from the mounting seat, of the protective sleeve. A protective cover is fixed to the side, away from the protective sleeve, of the sealing plate, the sensor body is arranged in the protective sleeve and the protective cover, the protective sleeve further comprises a base shell, the base shell is sleeved with a heat-resisting layer, and the heat-resisting layer is sleeved with an oil-resisting layer. The protective sleeve composed of the base shell and the oil-resistant layer and the high-temperature-resistant layer which are bonded on the base shell can protect the sensor body to work in a high-temperature environment with more greasy dirt, meanwhile, the protective cover is arranged on the sensing part on the sensor body in a sleeving mode, it can be guaranteed that the sensing part of the sensor body is in contact with the outside, and the sensor body is protected from being damaged. And oil stains can be prevented from gathering on the sensing part of the sensor body, so that the precision of the sensor body is improved.

The present invention discloses a real-time optical fiber wear detection system under the normal pressure cutterhead of a shield machine, which includes a cutter barrel, a sensor detection module, a signal demodulation and transmission unit, and a control unit. The sensor detection modules inside and outside the cutter barrel include a wear detection device, and the wear detection device includes an optical fiber wear detection cutter and an optical fiber wear sensor installed in the optical fiber wear detection cutter. The optical fiber wear sensor includes an outer layer component and a chirped optical fiber grating embedded in the outer layer component. The present invention can detect the wear data of the roller cutter in real time, find that the roller cutter has been worn and worn eccentrically, and improve the construction efficiency.

The utility model relates to electronic game equipment technical field, concretely discloses a gamepad, including face shell, control handle, trigger subassembly and adjusting assembly, control handle includes handle shell, PCB board, light touch switch and hall chip, handle shell and PCB board all are located on face shell, and PCB board is located between face shell and handle shell, light touch switch and hall chip all are located on the PCB board, trigger subassembly is located on the PCB board, and trigger subassembly includes the trigger key of movable setting, trigger key is provided with magnet, adjusting assembly is located on handle shell, and adjusting assembly includes the adjusting piece of movable setting, adjusting piece is provided with trigger portion, the utility model discloses through the mutual cooperation of trigger subassembly and adjusting assembly, can convert between hall linear mode and key switch mode, need not change different gamepad, and then improved the use experience of user.