9results about How to "Accurate induction" patented technology

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.

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 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.

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.