21results about How to "Accurate induction" patented technology

The utility model discloses a wireless charger. The wireless charger comprises a housing, a charging coil and a magnetic member. Wherein the shell comprises a bearing part used for bearing a to-be-charged device, and the charging coil is used for wirelessly supplying power to the to-be-charged device borne on the bearing part. The magnetic part is configured to be driven by a to-be-charged device so as to move relative to the charging coil, and the charging coil can respond to the movement of the magnetic part so as to generate an induction signal. Specifically, when the magnetic piece moves relative to the charging coil, the magnetic flux of the charging coil changes so as to generate an induction current, and a processor connected with the charging coil can generate an induction signal after obtaining the induction current so as to induce that the bearing part bears the to-be-charged device, thereby facilitating the subsequent charging action. According to the scheme, the to-be-charged device can be sensed only by adding the magnetic part without adding any other electrical element, so that on one hand, the sensing is more accurate, and on the other hand, the material cost is relatively low.

The utility model relates to a machine tool double-station turret positioning detection system, which belongs to the technical field of machine tool equipment, and comprises a first induction point, a second induction point, a third induction point and a fourth induction point which are arranged on a turret turntable and are arranged clockwise, and the corresponding central angle between the fourth induction point and the third induction point is alpha, a corresponding central angle between the third induction point and the second induction point is beta, beta is less than alpha, and a corresponding central angle between the first induction point and the fourth induction point is gamma = 180 degrees + beta; a C1 machining position inductive switch and a C2 machining position inductive switch are arranged on the machine tool rack in the circumferential direction corresponding to the rotary disc, and the corresponding central angle between the C1 machining position inductive switch and the C2 machining position inductive switch is beta. Positioning of three positions is completed through the two switches and the four induction points, and the structure is simple and reliable.

The utility model relates to the technical field of induction equipment, in particular to a flower basket induction assembly which comprises a fixed part, a movable rod, an inductor and a contact block, the fixed part is used for being connected with a mechanical gripper, a through hole for the movable rod to move up and down is formed in the fixed part, and the movable rod is arranged in the through hole of the fixed part in a sliding mode. The inductor is installed on the fixing piece. The contact block is used for making contact with the flower basket and driving the movable rod to move. The movable rod is provided with a sensing piece for sensing of the sensor, and the sensor is used for sensing the sensing piece and feeding back a signal to the claw; in the initial state, the induction piece is located below the inductor, through cooperation of the inductor and the induction piece, the induction assembly can send out a feedback signal in time after the gripper descends in place and drive the gripper to grab the induced flower basket, and the flower basket induction assembly is accurate in induction.

The invention belongs to the technical field of sensor manufacturing, and particularly relates to a photoelectric sensor manufacturing method which comprises the following steps: 1) forming a mounting through hole and a light outlet hole in a transmitting end shell; 2) arranging a light source seat coaxially matched with the mounting through hole; 3) fixing the light source seat in the mounting through hole by using glue; 4) arranging a light inlet hole and a wire hole on the receiving end shell; (5) fixedly adhering the CMOS sensor to the center of the front surface of the fixed plate; (6) two glue injection holes are formed in the receiving end shell, and gaps are preset between the glue injection holes and the wire holes; 7) arranging a CMOS sensor and a circuit board near the wire hole in the receiving end shell; in the manufacturing process, the light emitted by the light source can be always parallel to the axis of the light outlet hole of the transmitting end shell during assembly by a worker, and the glue cannot be dripped into a sensing area on the CMOS sensor in the glue dripping process by the worker.

The utility model relates to a crucible transfer device which comprises a clamping arm body, an installation plate is fixedly installed on the left side of the clamping arm body, a motor box is fixedly installed on the left side of the installation plate, a heat dissipation net is arranged on the left side of the motor box, and a forward and reverse rotation motor is fixedly installed on the inner bottom wall of the motor box. The output end of the positive and negative rotation motor is fixedly connected with a two-way screw rod, sliding blocks are connected to the positions, close to the left side and the right side, of the surface of the two-way screw rod through screw rod threads correspondingly, mounting grooves are formed in the lower surfaces of the adjacent ends of the two sliding blocks correspondingly, and connecting plates are fixedly mounted at the positions, close to the interior, of the two mounting grooves correspondingly; pressure sensors are fixedly mounted at the ends, away from the inner walls of the two mounting grooves, of the two connecting plates correspondingly.

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 present invention provides a microneedle biosensor including a working electrode including a first base of a circular thin film type, a plurality of microneedles which perpendicularly protrudes on the first base, and a first wiring line which extends from one end of a circumference of the first base; a counter electrode which includes a second base of a strip thin film type having a 3 / 4 circular shape which is spaced apart from a circumference of the first base with a setting distance to be concentric with the first base, a plurality of microneedles which perpendicularly protrudes on the second base, and a second wiring line which extends from one end of the second base to be horizontally disposed with the first wiring line; and a reference electrode which includes a third base of a strip thin film type having a 1 / 4 circular shape which is spaced apart from the other end of the second base with a setting distance and is spaced apart from the circumference of the first base with a setting distance to be concentric with the first base, a plurality of microneedles which perpendicularly protrudes on the third base, and a third wiring line which extends from one end of the third base, and a manufacturing method thereof.

This utility model discloses a locking mechanism for pre-tightening, including a base, a locking module, and a driver. The driver is fixed to the base and connected to the locking module, and is used to drive the locking module to move longitudinally. The locking module includes a slide, a motor, a screwdriver, a sensor, and a sensing plate. The slide is slidably connected to the base longitudinally and is connected to the driver. The motor is fixed to the slide and is connected to the screwdriver to drive the screwdriver to rotate. The screwdriver has a downward-through negative pressure channel for adsorbing the screw. The sensor is fixed to the slide, and the sensing plate is clamped on the screwdriver. The sensor is used to sense the number of rotations of the sensing plate and is signal-connected to the motor. This solution can control the number of screw locking rotations and facilitates adjustment of the final screw locking posture.

The utility model is suitable for elevator brake technical field provides an elevator brake fault monitoring devices, include: elevator brake, the device moves through connecting rod drive push board, push the connecting plate one, connecting plate two and shade slide of shading mobile subassembly and move, a plurality of ball groove and ball body on shade slide reduce the sliding resistance, avoid the device to slide to deviate, improved detection accuracy. When shade slide moves, shield or expose the photosensor in brake intensity display subassembly, photosensor senses light intensity change, through inductor trigger a plurality of display lamp bright, display brake intensity, and a plurality of small spotlight in mounting frame provide stable light source, ensure photosensor sensing accuracy, avoid the light source unstable to lead to detection error, simultaneously, the magnetic attraction plate of magnetic attraction fixed component is powered by battery, utilizes magnetic force and stably adsorbed in one side of elevator brake, prevent the device from loosening due to vibration, avoid spring to jam, and further ensure the accuracy of fault indication.

The utility model discloses a meter weight controller for plastic pipe production. The meter weight controller comprises a storage hopper, a feeding port, a conveying cylinder, a left baffle, a right baffle, a discharging nozzle, a control valve, a gravity sensor, a controller, a discharging port, a protective cover, a scraper, a rotating rod, a motor and an auxiliary rod. The conveying cylinder is arranged in the storage hopper, and the left baffle and the right baffle which are distributed in a staggered mode are arranged in the conveying cylinder, so that the free falling motion trail of raw materials is changed into the inclined sliding motion trail, the motion speed of the raw materials is reduced, and the raw materials fall onto the gravity sensor from the discharging nozzle at a low speed; the problems that the gravity sensor is impacted and the calculation accuracy is poor are avoided; meanwhile, liquid splashing generated when raw materials make contact with the gravity sensor is reduced. The scraper is arranged outside the induction ball of the gravity sensor and can scrape raw materials on the induction ball in time, so that the contact top end of the induction ball is kept clean, and induction is more accurate. The weight per meter is always kept to the lowest standard, so that raw materials are saved and the production cost is reduced.

The utility model relates to a powder segregation prevention discharging device which comprises a mixer and a lifting platform, the lifting platform is located below a discharging port of the mixer, the discharging port of the mixer is provided with a discharging pipe, a valve is installed on the discharging pipe, a material level sensor is arranged on the outer wall of the discharging pipe, and the material level sensor is connected with the lifting platform. The material level sensor is electrically connected with a controller of the lifting platform, an electronic scale is arranged on the lifting platform, and a weight sensor of the electronic scale is electrically connected with a controller of the valve. In the material distribution process, the material level in the ton bag is sensed in real time through the material level sensor, the distance between the end opening of the discharging pipe and powder is judged, and therefore the lifting platform is controlled to descend to prevent powder segregation, sensing is more accurate, personnel operation is reduced, and bagging efficiency is improved. The electronic scale is arranged on the lifting platform to weigh powder in real time, and when a set threshold value is reached, a weight sensor of the electronic scale controls the star-shaped discharging valve to stop discharging, so that automatic charging is achieved, personnel operation is reduced, and the bagging efficiency is improved.

The invention relates to pipe conveying equipment which comprises a conveying frame and a counting sensor, a charging box is arranged at the feeding end of the conveying frame, a conveying assembly for conveying pipes is arranged on the conveying frame, a pushing frame is arranged on the conveying frame, a pushing piece for pushing the pipes is arranged on the pushing frame, and a fixing base is arranged on the pushing frame; a lifting seat is vertically and slidably matched with the fixing seat, the counting sensor is mounted on the lifting seat, a controller is arranged on the conveying frame, a control assembly is arranged on the pushing frame and comprises a rotating frame, a connecting plate and a limiting piece, the rotating frame comprises an abutting portion and a lifting portion, the abutting portion is rotatably connected to the pushing frame, the lifting portion is connected to one end of the abutting portion, and the limiting piece is arranged on the connecting plate. The connecting plate is connected to the lifting seat, the lifting part is in sliding fit with the connecting plate, and the limiting piece is connected to the fixed seat and used for limiting the initial position of the lifting seat. According to the invention, a specific sensing distance between the counting sensor and the pipe can be ensured, and the damage possibility of the counting sensor is reduced.

The utility model discloses a wireless charger. The wireless charger comprises a housing, a charging coil, a linkage member and a microswitch. The shell comprises a bearing part, and the bearing part is used for bearing a to-be-charged device. The charging coil is used for wirelessly charging the to-be-charged device borne by the bearing part. The linkage piece is movably connected to the shell and comprises a first end and a second end, and the first end is configured to be driven by the to-be-charged device in the process that the to-be-charged device is borne on the bearing part so as to move relative to the shell. And in the process that the linkage piece moves relative to the shell, the second end part triggers the microswitch so as to generate an induction signal. According to the scheme, the induction signal is obtained in a mechanical driving mode, compared with the scheme that an infrared sensor is adopted for induction, the situation that induction fails due to the fact that the infrared sensor is shielded by foreign matter is avoided, and induction is more accurate; and compared with a scheme of performing wireless communication with the to-be-charged equipment, a communication module does not need to be arranged, and the cost is lower.

The invention discloses an escalator human body skew induction graded braking protection device which comprises a mounting plate, a driving assembly used for driving an escalator is mounted on the mounting plate, and a braking assembly used for braking the driving assembly is mounted at the position, corresponding to the driving assembly, of the mounting plate. An electronic speed regulator and a control assembly are further sequentially installed at the positions, corresponding to the driving assembly, of the installing plate, the driving assembly comprises a traction motor fixedly connected to the top of the installing plate, a traction shaft is installed on an output shaft of the traction motor, a traction roller is installed on the traction shaft, and the traction roller is connected with the driving assembly. And the end part of the traction shaft is fixedly connected with a brake disc. Through innovative structural design and intelligent control, accurate induction and graded braking of human body skew are achieved, powerful guarantee is provided for safe operation of the escalator, and the escalator skew sensing device has wide market application prospects and remarkable social benefits.

The invention is suitable for the technical field of sensors, and provides a method and system for improving the signal amplification performance of a sensor, a switching device is additionally arranged between a sensing device and an operational amplifier, and the switching device is in communication connection with a signal processor MCU. The signal processor MCU controls the switch-on and switch-off of the switch device by outputting switch-on and switch-off instructions, the signal communication between the switch device and the operational amplifier device is sensed, the power supply end of the switch device is connected with a power supply VCC, and the method comprises the following steps: S1, the equipment is electrified to initialize the signal processor MCU to obtain an accurate bias reference voltage value; s2, conducting a signal communication circuit between the sensor device and the operational amplifier device to detect a human body induction signal; and S3, comparing the read output signal of the operational amplifier with the accurate bias reference voltage obtained during initialization by the signal processor MCU, calculating a difference value or an accumulated difference value within a preset time, and if the difference value or the accumulated difference value exceeds a set threshold value, considering that the human body action is detected, and executing corresponding business operation according to a preset mode. The scheme is simple and clear, errors of multiple sources can be effectively avoided, and the signal processing accuracy is effectively improved.

A tool machine magazine includes a base (10), a tool disc (20) disposed on the base (10), tool sleeves (30) disposed on a periphery of the tool disc (20) through a bearing (40), a motor (51), a brake structure (52), a cam (53), a driver shaft (54), an angle sensor (57), and a control terminal (58). The motor (51) drives the cam (53) to operate. Each bearing (40) orderly operates along the outline (531) of the cam (53), driving the tool disc (20) to continuously rotate without intermittence. The angle sensor (57) is disposed on one end of the driver shaft (54) or a rotation center of the tool disc (20). When the rotation angle of the tool disc (20) matches the tool change command, the control terminal (58) controls the brake structure (52) to stop the motor (51), so as to stop the tool disc (20) for facilitating the tool change operation.

The utility model discloses a kind of detection trigger devices, the device includes fixed clamp, crossbeam and trigger, fixed clamp is fixed in the symmetry of inside and outside two sides of rail, fixed clamp top is provided with crossbeam, crossbeam is set along rail and the height of crossbeam is adjustable, trigger is installed on crossbeam, trigger is electrically connected detection equipment, that is, inside and outside two sides of rail each is provided with a trigger, and the trigger of rail outside is higher than the trigger of rail inside.The trigger is inclined towards inside of rail, and the angle of inclination is set to 18~22 °.The utility model installation is reliable, and stability is strong;The utility model not only can adapt to difficult installation environment, but also through non-contact detection mode, can respond quickly when train wheel set passes, realize accurate trigger to train passing, and precision is high;The utility model can also effectively compatible with various detection equipment.In short, the utility model device has the advantages of high reliability, strong adaptability, trigger accurate, simple structure, small and exquisite volume etc.

This invention discloses a temperature sensor for a steam oven and its processing system, comprising an aluminum sensing element. A silicone sealant is fixedly connected to the left side of the aluminum sensing element, and an aluminum screw is threadedly connected to the right side of the aluminum sensing element. The aluminum screw has a T-shaped vertical cross-section and a through hole. A ceramic cap is housed inside the aluminum sensing element, and the ceramic cap is elastically connected to the adjacent side of the aluminum screw via a connecting spring. The left side of the ceramic cap extends into the silicone sealant, and a ceramic baffle is located inside the ceramic cap. Two resistance strips are fixedly connected to the right side of the ceramic baffle, and the right sides of the two resistance strips extend through the through hole to the outside and are fixedly connected to a connector. This temperature sensor senses temperature faster and has better heat dissipation, enabling faster reuse. Furthermore, the processing system allows for automatic and rapid processing of the aluminum screw on the sensor, thus meeting the quantity requirements during overall assembly.

The application discloses a kind of anti-interference human-computer interaction methods in the technical field of human-computer interaction, including telescopic device, inductor, display screen, controller and shell;Step S1, the controller and inductor are always enabled state, the inductor continuously monitors the environment outside shell;The controller judges telescopic device to be retracted state or be extended state;Step S2, when the telescopic device is retracted state, and detect that there is object in monitoring range, and do not act, can when person approaches, control panel knob is automatically extended, when person can touch, see knob extension, to be operated by person, more intelligent, bring higher science and technology feeling to person;And this method avoids the interference of motor operation to inductor, can shield the wave band interference brought by motor operation, so that the telescopic function of panel is effectively operated and conveniently controlled.

The utility model discloses a return oil flow monitoring system, which comprises an oil return pipeline on a cone crusher and an oil tank connected with the oil return pipeline, and is characterized by further comprising a flow sensor arranged on the oil return pipeline and a PLC (programmable logic controller), an oil quantity stabilizing device is connected and mounted on the oil return pipeline between the flow sensor and the oil tank, and the PLC is connected with the oil quantity stabilizing device. The oil quantity stabilizing device is provided with a liquid level sensor, and the signal output end of the flow sensor and the signal output end of the liquid level sensor are connected with the signal input end of the PLC. The device has the advantages that two sensing signals of the flow sensor and the liquid level sensor are combined, the signals are transmitted to the PLC, oil shortage of the oil return pipeline is indicated if the signals are clearly lower than a flow preset value and an oil level preset value, and when the lubricating oil level of the oil tank drops to an alarm position, alarm processing is performed in advance. And the oil leakage fault which is not found in advance due to untimely finding is avoided.

The present invention discloses a dehumidifier, which includes a shell, a water tank, a detection device and a detector; the water tank is installed in the shell; the detection device includes a detector and a signal trigger, the detector is arranged on the shell, and the signal trigger is arranged in the water tank, when the water level in the water tank is higher than a preset position, the signal trigger moves to the detection area of ​​the detector; when the water level in the water tank is lower than the preset position, the signal trigger moves outside the detection area of ​​the detector; the controller is electrically connected to the detection device, so as to control the water pump to stop pumping water when the signal trigger is located outside the detection area of ​​the detector. The dehumidifier of the present invention can accurately sense the low water level in the water tank, avoiding the pumping failure of the water pump caused by the water level in the water tank being too low.