31results about How to "Sensitivity adjustable" patented technology

The invention discloses a double-arm collaborative operation method suitable for a transformer substation tubular bus carrying electrified robot, and relates to the technical field of power system automation. Comprising the following steps: comparing an electromagnetic change threshold value with a dynamic threshold value to obtain an electromagnetic environment change parameter and an early warning signal; adjusting the control parameters of the robot and the sensitivity of a sensor through the early warning signal; determining a strong electromagnetic field area through the electromagnetic environment change parameters, and planning an inspection path of the robot; and according to the inspection path, carrying out tubular bus-bar drainage wire lapping / dismounting operation at the target position. According to the method, the electromagnetic environment change in the transformer substation is monitored in real time, the electromagnetic change threshold value is determined and compared with the dynamic threshold value, and the early warning signals of different levels are generated, so that an operator can be reminded in time or robot parameters can be automatically adjusted, and equipment faults or safety accidents caused by a strong electromagnetic field are avoided.

The invention relates to the technical field of medical instruments, and provides a radio frequency gold microneedle control system based on subcutaneous impedance identification, and a radio frequency gold microneedle is provided with an electrode array for impedance tomography. Comprising the following steps: an impedance distribution reconstruction module generates reconstructed impedance distribution from a voltage signal of subcutaneous tissue collected by an electrode array through an impedance distribution reconstruction model based on a genetic algorithm; the impedance imaging module generates an impedance distribution image for reflecting subcutaneous tissue impedance distribution from the reconstructed impedance distribution through an impedance rate segmentation model based on a UNet architecture; the depth control module determines the recommended depth of the radio frequency gold microneedle according to the impedance distribution image; and the radio frequency energy control module adjusts control parameters of a control algorithm for controlling the radio frequency energy of the radio frequency gold microneedle according to the plurality of impedance distribution images. Accurate segmentation judgment and better imaging effect on impedance distribution are achieved, and then impedance imaging is applied to depth and energy pulse control of the radio frequency gold microneedle.

The invention discloses a shear-type piezoelectric acceleration sensor structure with adjustable sensitivity, and belongs to the technical field of piezoelectric acceleration sensors, the shear-type piezoelectric acceleration sensor structure comprises a base, the base is provided with a first platform surface and a second platform surface, and the first platform surface and the second platform surface are different in height. The high second platform surface is provided with a polarized piezoelectric element, the short first platform surface is provided with unpolarized piezoelectric elements, the tops of the unpolarized piezoelectric elements and the polarized piezoelectric elements are provided with mass blocks, the mass blocks are fixedly connected with the base through screws, and the mass blocks are used for generating inertia force after sensing measured acceleration. And the inertia force is transmitted to the polarized piezoelectric element and the unpolarized piezoelectric element in a static friction mode. Adjustment and distribution of static friction force can be achieved by adjusting the tightening force of the screw, so that sensitivity adjustment of the acceleration sensor is achieved, the adjustment process is convenient and fast, the acceleration sensor does not need to be disassembled, and breakage and scrapping of piezoelectric elements caused by structural disassembly are avoided.

The invention discloses a pedal optimization method for a vehicle-mounted meta universe game, which comprises the following steps of: generating a game operation instruction list of pedals according to an operation instruction of a game host, generating a driving operation instruction list according to an operation mode of the pedals in a vehicle, and comparing and matching the game operation instruction list and the driving operation instruction list; for each operation instruction of the pedal, obtaining a difference value between the actual operation of the player and the game feedback; and determining a correction strategy according to the difference value of each operation instruction, and correcting the sensitivity of the pedal according to the correction strategy. The invention further discloses a corresponding system and a storage medium. By implementing the method and the device, the sensitivity of the pedal can be flexibly and accurately adjusted, and the interaction efficiency and experience of the vehicle-mounted meta universe game can be improved.

The present invention relates to the technical field of artificial board detection, and in particular to artificial board veneer detection equipment and technology, including a detection box, a slide rail, a material discharge port, a material feed hopper, a clamping device, a high-temperature detection plate and a waterproof detection box; the present invention can solve the following problems existing in the prior art in the process of artificial board veneer detection: no detection of problems that may occur when the artificial board is used in an actual practical environment; inability to accurately detect the stability and durability of the artificial board; the present invention can accurately detect whether the artificial board has deformed through a detection probe, and can also adjust the sensitivity of the detection probe, so as to detect artificial boards with different quality requirements; the present invention can flip the artificial board after performing high-temperature detection and waterproof detection on two sides through a clamping device, and then continue to perform high-temperature detection on the artificial board, so as to make the detection result more accurate.

The application belongs to the technical field of buffers, and particularly relates to a longitudinal traction buffer device for a road-rail vehicle, which comprises a coupler, a buffer, a from-plate and a coupler tail frame. The buffer comprises a cylinder, a No. 1 piston, a connecting frame, a traction guide rod, a conversion unit. When the traction guide rod of the buffer is impacted and moves left, the No. 1 piston moves left, extrudes hydraulic oil and pushes the No. 2 piston. Since the No. 2 spring is arranged between the baffle and the No. 2 piston, when the No. 2 piston is pushed, the No. 2 piston extrudes the No. 2 spring, and the impact force is shared as the elastic potential energy of the No. 2 spring, so that the purpose of sharing the buffer force is achieved. Similarly, when the traction guide rod moves right, the effect of sharing the buffer force can also be achieved.

This utility model discloses a touch-sensitive night light circuit, comprising: a pyroelectric detection module for detecting human activity and sending the human activity signal to a main control chip module; a photosensitive signal detection module for detecting whether a human body touches the sensing area and sending a trigger signal from the sensing area to the main control chip module; a main control chip module for receiving signals from the pyroelectric detection module and the photosensitive signal detection module, and determining whether to turn on the night light based on the signals from the pyroelectric detection module and the photosensitive signal detection module; and a night light control module for receiving control signals from the main control chip module and turning on the night light. This utility model achieves accurate recognition of human activity and touch through the dual sensing of the pyroelectric detection module and the photosensitive signal detection module.

The invention discloses a BIC-based sensitivity-adjustable waveguide resonant cavity complex dielectric constant measuring device and application thereof, and belongs to the technical field of microwave device engineering. The method solves the problem that an existing measurement method is difficult to effectively characterize a medium of which the loss tangent crosses multiple orders of magnitude. Based on the waveguide resonant cavity structure, the system symmetry is broken through controlling the offset of the resonant cavity, so that the BIC is degraded into the quasi-BIC. And by utilizing the characteristic of high quality factor of the quasi-BIC, the variation range of the quality factor of the quasi-BIC stretches across a plurality of orders of magnitude by controlling the degradation degree of the quasi-BIC, so that the flexible regulation and control of the complex dielectric constant measurement sensitivity are realized, a medium of which the loss tangent stretches across a plurality of orders of magnitude can be effectively represented, and the application value is relatively high.

The utility model belongs to the technical field of electronic sports mice, in particular to an electronic sports mouse capable of being switched through quick clicking, and provides the following scheme aiming at the adjustment problem: the electronic sports mouse comprises a mouse body; a first key is fixedly connected to the upper surface of the mouse body. A second key is fixedly connected to one side of the outer surface of the mouse body; the other side of the outer surface of the mouse body is fixedly connected with a third key; the upper surface of the mouse body is fixedly connected with a top shell; and the upper surface of the top shell is fixedly connected with a fixer. Through the arrangement of the first key, the second key and the third key, the sensitivity does not need to be finely adjusted from a software page of a computer end, and the sensitivity adjusting efficiency is improved; and through the arrangement of the fixer, the top shell can be quickly disassembled, and the maintenance efficiency is improved.

The present application relates to a kind of pyrotechnic device head self-adapting tightening device, belong to mechanical manufacturing and automation technical field, the problem of jamming in tightening process caused by cumulative error of structure and tightening equipment machining and assembly is solved.The present application includes support, drive mechanism, self-adapting mechanism, rotary disc, flange shaft and chuck;Self-adapting mechanism is arranged on support, and it can be moved in two directions perpendicular to each other relative to support;Rotary disc includes relatively rotatable inner race and outer race, outer race is arranged on self-adapting mechanism, inner race is arranged on the inside of outer race;Flange shaft is arranged in inner race;One end of flange shaft is connected with drive mechanism and can be driven to rotate by drive mechanism, the other end of flange shaft is connected with chuck.The present application uses self-adapting mechanism, effectively avoids the problem of jamming in tightening process caused by cumulative error of structure and tightening equipment machining and assembly.

The present invention relates to a minimally invasive surgical clamp, comprising: a bracket; a clamp module, mounted on the bracket; the clamp module comprises a hinged first clamp and a second clamp; the first clamp and the second clamp both comprise a cover body and a base, an elastomer and a flexible PCB board are mounted between the cover body and the base; a sensing module is mounted in the first clamp or the second clamp; the sensing module comprises a sensor chip, a force transmission layer and an elastic layer, the elastic layer and the elastomer are opposite, the sensor chip and the flexible PCB board are electrically connected, and the force transmission layer adheres to the flexible PCB board; when an external force is applied to the clamp module, the elastomer is deformed and squeezes the elastic layer, and the elastic layer transmits the force to the sensor chip through the force transmission layer. The present invention integrates a MEMS three-dimensional force sensor with adjustable sensitivity with a surgical clamp, eliminates the influence of interference factors such as stiffness, friction, gravity, inertia, etc., directly detects different interactive forces, and realizes adjustable sensitivity and adjustable range of surgical instruments.

The invention relates to an optical sensing system (1) for efficient optical sensing. The system (1) comprises at least one optical sensor (2) and an optical element (3) capable of generating an image of a scene (4) on said optical sensor (2). The system (2) further comprises at least one light source (5) and a scanning device (9) adapted to scan a light beam (33) of the light source (5) on the scene (4) along a trajectory (8). The system (1) further comprises a controller (12) adapted to vary the output light power of the light source (5) between at least a first predetermined value (11) and a second predetermined value (10) higher than the first predetermined value (11).

The utility model discloses an inclination warning device for building monitoring, which comprises a base, a fixed table arranged at the center of the top of the base, a plurality of metal rods arrayed at the top of the fixed table and metal balls, and the metal rods are respectively and obliquely fixed on the fixed table to form a trumpet-shaped fence. The metal ball body is perpendicular to the upper portion of the fixing table and located in the horn-shaped fence, the metal ball body and the fixing table are coaxially arranged, the outer wall of the metal ball body is spaced from the metal rods, an equipment box is further arranged at the lower end of the base, an alarm device and a power source are arranged in the equipment box, and the alarm device is connected with the power source. The building inclination alarm device can give an alarm when a building inclines, can be suitable for being used in a building in construction or a building after construction, and further has the advantages of being adjustable in sensitivity and low in manufacturing cost.

The invention discloses a novel intelligent automatic raft fishing device which comprises a left-hand fishing box, a right-hand fishing box and a raft fishing mechanism, mounting seats are arranged on the left front side of the interior of the left-hand fishing box and the right front side of the interior of the right-hand fishing box, and the raft fishing mechanism is detachably mounted in the mounting seats. Supporting seats are arranged on the left rear side in the left-hand fishing box and the right rear side in the right-hand fishing box, rod handle clamping seats are arranged on the supporting seats, hasps matched with each other are arranged at the front end and the rear end of the left-hand fishing box and the front end and the rear end of the right-hand fishing box, and the left-hand fishing box and the right-hand fishing box are connected together through the hasps.

The invention relates to the technical field of new energy, in particular to a gluing tool and a battery system.The gluing tool comprises a moving part which moves relative to a pole piece; the gluing assembly is arranged on the moving part and comprises a glue storage part and a gluing part, the glue storage part is used for storing insulation glue, the gluing part is provided with a glue outlet, and the glue outlet is connected with the glue storage part; the adjusting assembly is arranged on the gluing piece and is used for adjusting the widths of the two ends of the glue outlet in the length direction of the glue outlet, so that the gluing thickness on the pole piece is consistent; the length direction of the glue outlet is perpendicular to the moving direction of the moving part. In the whole gluing path, the consistency of the thickness of the glue layer is ensured, and the safety performance of the battery is improved.

The present invention discloses a temperature-pressure integrated fiber grating sensor and a human sleep multi-vital sign monitoring system. The system comprises a mattress, a plurality of temperature-pressure integrated fiber grating sensors, a demodulator, and a host computer. The plurality of vital sign fiber grating sensors are fixedly arranged in a gap between a mattress and a bed net, and their depths are kept at the same horizontal plane. The plurality of vital sign fiber grating sensors are connected to the demodulator to transmit data to the host computer. The present invention identifies the pressure exerted on the sensor by detecting the wavelength of a fiber grating spectrum signal peak splitting point, identifies the ambient temperature of the sensor by detecting the center wavelength drift of the fiber grating spectrum signal, monitors the multi-vital sign information of the user in bed, including the respiratory rate, heart rate, and the state of falling out of bed, etc. The system has the advantages of simple structure, small size, anti-electromagnetic interference, low cost, etc.

The invention discloses a new energy automobile wire harness production device with a straightening function, and relates to the technical field of new energy automobile wire harness production. Comprising a main machine box, a wire collecting disc, a straightening assembly, wire feeding assemblies, a guiding and adjusting assembly and a wire stripping assembly, the guiding and adjusting assembly is used for clamping and pulling a wire harness, when the wire harness is clamped and fastened through a first wire feeding assembly and a second wire feeding assembly, a sliding block is pressed under the action of reverse tension to extrude a limiting block in a groove, and the wire harness is stripped. The limiting block drives the contact to extrude the electric ceramic piece, the piezoelectric ceramic piece is pressed to generate an electric signal, if the first wire feeding assembly and the second wire feeding assembly loosen clamping of the wire harness, the wire harness slides in the first wire feeding assembly and the second wire feeding assembly under the action of tension, and the pressing sliding block cannot enable the limiting block to be extruded out of the groove; the control system cannot receive the electric signal. And the control system judges the distance between the first wire feeding assembly and the second wire feeding assembly, so that the distance between the wire feeding assemblies is detected and adjusted.

This invention relates to a capacitive level switch for lubricating locomotive wheel flanges, comprising a capacitive sensor (1), a shaft (2) for accommodating the capacitive sensor (1), a connecting joint (3) connected to the shaft (2), and mating electrical connection parts (4); one end of the capacitive sensor (1) extends into the shaft hole (2a) of the shaft (2), and the end is provided with a sensitivity adjustment mechanism (6); a window slot (5) is provided on the shaft (2), and a movable shielding component (7) is also connected to the outside of the shaft (2); the shaft (2) and the connecting joint (3) are connected by thread fastening adhesive (8), and at least one annular groove (2b) is provided at the threaded mating part of the shaft (2) and the connecting joint (3), so that the cured thread fastening adhesive (8) fills the annular groove (2b) to form a mechanical interlock. The advantages of this invention are convenient on-site adjustment, high detection accuracy and adaptability, enhanced vibration resistance and structural reliability.

The invention discloses a packaging device for changing the sensitivity of a cylindrical optical sensor by adjusting a bias magnetic field, which can be used for improving the sensing performance of an optical magnetic field sensor and comprises a packaging assembly and a cylindrical optical sensor probe mounted in the packaging assembly, and magnetic sheets capable of moving towards each other or in opposite directions are arranged on the packaging assembly and on the two sides of the cylindrical optical sensor probe. According to the invention, two groups of magnetic sheets capable of moving oppositely or oppositely are arranged on two sides of the cylindrical optical sensor probe, so that an adjustable bias magnetic field can be applied, the magnetization process of the probe becomes smooth, the sensing stability of the sensor is improved, the measurement precision is improved, and the measurement sensitivity is adjusted; the principle is simple, and wide popularization is facilitated.

An upper valve sleeve and a lower valve sleeve are installed in a valve body through hole, the two ends of the upper valve sleeve and the two ends of the lower valve sleeve are fixedly connected in a sealed mode through a cover plate, a valve element is connected into the upper valve sleeve and the lower valve sleeve in a matched mode, a spring cavity is formed in the upper valve sleeve and between the bottom of the cover plate and the top of the valve element, and a spring is arranged in the spring cavity. Two ends of the spring are respectively connected with the bottom of the cover plate and the top of the valve core; the lower valve sleeve is provided with two peripheral holes, the peripheral holes are main channel oil ports, and the main channel oil ports are communicated with a rodless cavity of the actuator cylinder. The speed-limiting stop valve is suitable for safety protection measures of the plunger type actuating cylinder under the working conditions of high pressure and large flow. And due to the plug-in mounting structure, the requirement on the mounting space is not high, and the reliability is not influenced by the external working environment. When the plunger type actuator cylinder operates abnormally, the plug-in type speed-limiting stop valve can automatically monitor the pressure difference between the inlet end and the outlet end of the valve and reliably, rapidly and automatically stop the valve element, and electrical control is not needed.

The invention discloses a piezoelectric micro-electro-mechanical system microphone and a preparation method and application thereof, and belongs to the technical field of micro-electro-mechanical systems. The piezoelectric micro-electro-mechanical system microphone provided by the invention comprises a substrate, a vibrating diaphragm, an oxide layer, a piezoelectric layer and an electrode layer which are stacked in sequence, a cavity is formed in the base, and the cavity penetrates through the base; the electrode layer comprises an inner electrode, an outer electrode, a strip-shaped electrode and a bias applying electrode; the outer electrode is arranged outside the inner electrode in a surrounding mode, the strip-shaped electrode is arranged between the inner electrode and the outer electrode in a surrounding mode, and the bias applying electrode is connected with the strip-shaped electrode. Based on the principle of combined action of positive and inverse piezoelectric effects, bias voltage can be applied through the strip-shaped electrodes to adjust the strain stress of the vibrating diaphragm of the microphone and change the vibration mode of the vibrating diaphragm, so that the sensitivity of the microphone at the mechanical level is improved, and the microphone has the advantage of wide band and can output stronger electric signals.

The utility model relates to the technical field of response control, specifically touch button response circuit that can prevent false triggering, it contains the main touch capacitor for realizing touch response, the main touch capacitor one end ground, the other end is connected to the power supply anode through resistance five, the main touch capacitor this end still is connected with main amplifier, and is connected on its negative input, the circuit is equipped with the noise reduction capacitor, the noise reduction capacitor rear is connected with shielding drive, shielding drive and main amplifier's output end are connected to the rear differential amplifier, and the differential amplifier rear end is connected with hysteresis comparator, hysteresis comparator output signal, simple structure, and the sensitivity of touch can be adjusted through resistance, and the system flexibility is good, through synchronous electrode potential and differential amplification, filter out noise and electromagnetic interference, ensure that touch signal is clear and accurate, guarantee that the main touch capacitor can accurately detect finger contact, prevent false triggering caused by dust or static electricity etc.

The invention discloses an extra-high voltage power transmission line electricity testing control method and system, and the method comprises the steps: analyzing the obtained electric energy transmission data of each line node, and generating an electricity testing control parameter; before the aerial flight electricity testing device arrives at each line node and starts to test electricity, the electricity testing control parameters are sent to the aerial flight electricity testing device; the working state of an internal electric field sensor is adjusted according to the corresponding electricity testing control parameters; coupling the measured space stray capacitance between the electric field sensor and the line node to obtain an induced electric field signal; performing preset signal identification processing on the induced electric field signal, and generating an electricity testing grade indication signal reflecting the current line node; and generating a control alarm strategy according to the electricity testing grade indication signal. According to the electricity testing control method and system for the ultra-high voltage power transmission line, on one hand, the accuracy of electricity testing detection is improved, and on the other hand, the intelligent process of electricity testing control of a power grid is promoted.

The present application relates to an image sensing device. The disclosed technology provides an image sensing device capable of adjusting sensitivity, the image sensing device comprising: a first pixel group, which includes a first conversion gain transistor; a second pixel group, which is arranged adjacent to the first pixel group and includes a second conversion gain transistor; and a conversion gain capacitor, which is suitable for electrically connecting the first conversion gain transistor and the second conversion gain transistor, wherein the conversion gain capacitor comprises a first wire and a second wire arranged adjacent to the first wire, and the first wire comprises a region having a ring-shaped planar shape.

The application provides a control method and device of a head-mounted camera and electronic equipment. The method is applied to the head-mounted camera, and the method comprises the following steps: acquiring external environment data, generating an environment picture based on the external environment data; displaying the environment picture in a display interface of the head-mounted camera; generating a model in the display interface, and controlling the model to move randomly in the display interface; generating a capture area in a center position of the display interface, and moving the capture area in response to a user operation; determining a score corresponding to the user operation based on a positional relationship between the model and the capture area; and adjusting the sensitivity of the head-mounted camera based on the score. In this way, the sensitivity of the head-mounted camera can be adjusted in response to the user operation, the flexibility of photographing of the head-mounted camera is improved through AR technology, and the experience of the user is enhanced.

The present invention discloses a multi-scenario matching control method for touch screen sensitivity, including obtaining multiple response times and update frequencies in response to a first touch action, calculating the touch screen sensitivity, and matching it with the current use scene, and when there is no match, obtaining the corresponding environmental data and scene type to update the touch screen sensitivity; obtaining the touch screen resolution and touch point coordinates in response to a second touch action, and calculating the touch accuracy of the touch screen; when the touch accuracy does not meet the accuracy threshold, adjusting the updated touch screen sensitivity within the adjustable range of the touch screen sensitivity until the touch accuracy meets the accuracy threshold, and obtaining the target touch screen sensitivity. The present invention can quickly and accurately adjust the touch screen sensitivity according to the environmental data and scene types of the touch screen in different use scenes, combined with the touch accuracy, to ensure that the touch screen sensitivity can be applied to different scenes, meet the multi-scene usage needs of different users, and improve the user experience.

The utility model relates to the technical field of electric motorcycles, in particular to an electric motor tricycle brake control mechanism which comprises an oil pump and a brake handle, the brake handle is rotatably arranged on the oil pump through a movable connecting piece, a piston is arranged on one side, close to the brake handle, of the oil pump, and an ejector block is arranged on the brake handle close to the piston. A cavity is formed in the brake handle, sliding holes are formed in the two ends of the side wall, close to the top block, of the cavity, sliding rods are arranged in the sliding holes in a sliding mode, the two ends of each sliding rod extend out of the corresponding sliding hole, and the ends, located outside the brake handle, of the sliding rods are fixedly connected with the top block; and an adjusting mechanism capable of adjusting the brake sensitivity is arranged in the through hole. The sensitivity of the brake control mechanism can be conveniently adjusted according to the requirements of a user, the functionality is high, and potential safety hazards are reduced.

The utility model discloses a novel loudspeaker, which comprises a basin stand, and a vibration assembly and a magnetic circuit assembly which are arranged on the basin stand, the vibration assembly comprises a vibrating diaphragm and a voice coil, the vibrating diaphragm is connected to one end of the basin stand, the voice coil is connected to the inner side surface of the vibrating diaphragm, and the magnetic circuit assembly is arranged at one end of the basin stand far away from the vibrating diaphragm. The magnetic circuit assembly is provided with a magnetic gap corresponding to the voice coil, and the magnetic circuit assembly can move relative to the basin frame so as to be close to or away from the vibration assembly. According to the novel loudspeaker, the magnetic circuit assembly is movably installed on the basin frame, and the distance between the magnetic circuit assembly and the vibration assembly is adjustable, so that a user can adjust the sensitivity of the novel loudspeaker according to actual use requirements, and the high-frequency performance and the low-frequency performance of the novel loudspeaker are further adjusted.

The present invention discloses a novel self-learning and self-adaptive vibration sensing device, comprising: a vibration sensing element for sensing vibration and transmitting the sensed vibration signal to a single-chip processor; a single-chip processor for data processing, wherein the data processing process comprises receiving the vibration signal transmitted by the vibration sensing element and comparing the vibration signal with a signal model, and when the vibration signal matches the signal model, judging the vibration signal as a valid signal, and when the vibration signal does not match the signal model, judging the vibration signal as an invalid signal; a sensitivity adjustment setting switch for receiving a sensitivity adjustment instruction; a signal matching result display circuit for receiving data information sent by the single-chip processor and displaying the data information; and a data storage circuit for storing data. Compared with the prior art, the present invention has stronger reliability and adaptability.

The utility model provides ingredient detecting and metal removing equipment, and belongs to the field of plastic cup production equipment.The ingredient detecting and metal removing equipment specifically comprises a separating box, a metal separating assembly and a storage box, the separating box comprises a feeding port, a waste discharging pipe and a discharging port, and the feeding port and the discharging port are formed in the top and the bottom of the separating box respectively; the waste discharge pipe is positioned on one side of the separation box; the material storage box is communicated with the discharging opening of the separation box and is located at the bottom of the separation box; and the metal separation assembly is arranged in the separation box and installed between the feeding port and the waste discharge pipeline, and the metal separation assembly is used for adsorbing metal materials in raw materials. Through the treatment scheme provided by the invention, the purity of the raw materials is improved.