30 results about "Distance sensors" patented technology

The invention provides a method for dynamically adjusting a threshold of a distance sensor. The method comprises the following stepsf: when starting the distance sensor to converse, judging whether the distance sensor detects an approach state, if not, at least increasing a preset value or preset ratio to the approach state detection distance of the distance sensor one time within a preset system off-screen time T; judging whether the distance sensor detects the approach state according to the approach state detection distance after being adjusted each time, if the approach state is detected after the approach state detection distance is adjusted, switching a screen into an off-screen state from a bright screen state, and if the approach state is still not detected after the system off-screen time T is achieved, switching the screen into the off-screen state from the bright screen state. The invention also provides a mobile terminal, therefore, the problem that the distance sensor leaves out detection of the approach state when the mobile terminal converses can be avoided, so as to automatically turn off the screen, and the mobile terminal can automatically turn on the screen after the conversation is finished, so as to be convenient to use by the user.

A measurement system for measuring a consumption amount of a focus ring in a plasma etching apparatus including a processing chamber, a lower electrode and the focus ring surrounding a periphery of the lower electrode, comprises a sensor substrate having a distance sensor and a measurement unit configured to measure a consumption amount of the focus ring. The measurement unit includes a transfer instruction unit, an acquisition unit and a measurement unit. The transfer instruction unit is configured to instruct a transfer unit to transfer the sensor substrate into the processing chamber. The acquisition unit is configured to acquire information on a physical amount corresponding to a distance from the distance sensor to the focus ring, which is measured by the distance sensor. The measurement unit is configured to measure a consumption amount of the focus ring based on the acquired information on the physical amount.

The invention discloses an intelligent safety control system and vehicle. The intelligent safety control system comprises multiple distance sensors for detecting the distances of front and back obstacles, an engine ECU, an intelligent module and a brake assisting motor, wherein a control list is stored in the intelligent module and records corresponding relation between the allowed accelerator value and current speed, current gear and obstacle distance as well as the start conditions of brake assistance; when synchronous accelerator signal and brake signal are detected, the intelligent module is used for obtaining the distance, speed and gear and then determining the allowed accelerator value and whether the braking assistance is needed according to the control list and sends corresponding signals to the engine ECU; and the engine ECU executes corresponding control. The intelligent safety control system and the vehicle disclosed by the invention can guarantee the driving safety to the greatest degree and effectively eliminate the safety risk of the driver stepping on the accelerator pedal by mistake, thereby avoiding serious accidents of vehicle collision.

The invention discloses a burn drug applicator. The burn drug applicator comprises an upper machine body portion, a lower machine body portion, a medical rubber gasket, a battery, a motor, a spiral transmission rod, a drug cavity, a transmission baffle, drug application holes, a distance sensor and a control switch. The lower machine body portion is arranged at the bottom of the upper machine body portion, the medical rubber gasket is arranged at the bottom of the lower machine body portion, the battery is arranged inside the upper machine body portion, and the motor is arranged inside the upper machine body portion; the spiral transmission rod is arranged on the motor, the drug cavity is arranged inside the lower machine body portion, and the transmission baffle is arranged inside the drug cavity and connected with the spiral transmission rod; the drug application holes are formed in the medical rubber gasket, the distance sensor is arranged on the lower portion of the lower machine body portion, and the control switch is arranged on the outer side of the upper machine body portion. According to the burn drug applicator, the drug application quantity can be uniformly controlled through the motor, the spiral transmission rod and the transmission baffle; due to the fact that the medical rubber gasket is arranged at the front end, hygiene and comfort in the drug application process can be guaranteed; the burn drug applicator is simple in structure and convenient to operate, and solves the problem that existing ordinary burn drug application is not uniform and not hygienic.

The invention discloses a solar road pile with a warning function. The solar road pile comprises a fixed base, a pile body, a stop direction indicator, a warning reflective strip and a storage battery fixing box. The pile body is installed above the fixed base. The warning reflective strip is arranged below the stop direction indicator. A pile cover is installed above the warning reflective strip. An anti-collision interlayer is installed in the pile body, and a photoelectric distance sensor is installed on the left side of the anti-collision interlayer. A power switch is installed on the surface of the fixed base, and a work indicating lamp is installed below the power switch. The storage battery fixing box is installed in the fixed base and connected with a solar cell panel through a power line. A fixing screw is installed below the storage battery fixing box. According to the solar road pile with the warning function, the solar cell panel and a storage battery are installed, and thus long endurance time can be provided for the road pile; and an emergency flash lamp and a warning horn are installed, and hence objects or vehicles close to the road pile can be reminded or warned.

Provided in the invention is an automatic road paving robot being mainly composed of a paving machine, a sensing unit, a control decision-making unit, an execution unit and a wireless communication unit. The autonomous navigation of the automatic road paving robot adopts a satellite and a laser distance sensor to be combined with road design information to realize paving positioning and steering.In the paving operation, a material level ultrasonic radar is used for autonomously deciding a material conveying speed and a driving speed; the paving thickness and flatness are measured by using a laser radar, and the pavement height difference is automatically leveled and ironed. The control decision-making unit is composed of an upper computer, a lower computer group and an airborne field bus;the upper computer communicates with an engineering dispatching center, and the lower computer group implements the functions of automatic ignition, automatic flameout, automatic in-place, autonomousnavigation, autonomous operation and the like of the paving robot according to instructions. The automatic road paving robot disclosed by the invention is unmanned and intelligent road construction equipment; automatic, remote-control and manual paving operation modes can be switched at any time; and the robot is particularly suitable for the situations that have problems of oxygen deficit and danger of highlands, tunnels and the like are not suitable for manual paving operation.

The invention relates to a smart city garage guidance device. The device comprises a garage, a guidance box, a display screen and a base; the guidance box is fixed to the base through a rotating supporting leg, the display screen is arranged on the side wall of the guidance box, two guidance arms are symmetrically arranged on the two sides of the guidance box, one ends of the two guidance arms arein embedded connection with an adjusting groove formed in the side wall of the guidance box, and the two guidance arms are provided with guidance indicating lamps, the guidance arms are connected with the adjusting grooves through telescopic devices, the display screen is connected with an interface of a central control board on the guidance box through a wire, and two distance sensors are symmetrically arranged on the two side walls of the guidance box and connected with the input end of the central control board through wires separately; the length of the guidance arms can be effectively adjusted according to the distance from the wall, the strength of adaptability of the guidance device can be effectively improved, and the device adapts to different sizes of garages; the structure is simple, the device is economical and practical, and better convenience is brought to use.

A hinge base (9), a mechanical limiting piece (6) and a single-module electromagnetic force balance sensor (11) of the novel flexible static balancing instrument are installed on a vibration isolation table (12). The variable cross-section crossed reed flexible hinge (8) is mounted on the hinge base (9), and the bearing end of the variable cross-section crossed reed flexible hinge (8) is fixed with the cross beam (3); and a distance sensor (4), a gradienter (5) and a leveling weight (7) are mounted on the cross beam (3). According to the static balancing instrument, a moment balancing method is adopted to measure unbalanced moment, and a novel variable cross-section crossed reed flexible hinge (8) is adopted as a rotating supporting unit. According to the flexible static balancing instrument, the bearing performance of the static balancing instrument is greatly improved while the rotating supporting precision of a traditional flexible static balancing instrument is kept.

The invention belongs to the technical field of automobile charging, and more specifically relates to an adjustable electric automobile wireless charging transmitting device. The adjustable electric automobile wireless charging transmitting device comprises a ground platform, the ground platform is provided with an upper cavity and a lower cavity. The upper cavity is provided with a lifting mechanism and a wireless charging transmitting device; the lifting mechanism comprises a mounting cavity; a first motor is assembled in the mounting cavity; the first motor is provided with a processing controller, the first motor is connected with a driving belt wheel; a first rotating rod is arranged on one side of the first motor; the first rotating rod is provided with a driven belt wheel; a transmission belt is arranged between the driving belt wheel and the driven belt wheel; the first rotating rod is provided with a first driving gear; the upper cavity is rotationally connected with a secondrotating rod; the second rotating rod is provided with a first driven gear, the first driven gear is connected with a lead screw, the wireless charging transmitting device is provided with a distancesensor, the wireless charging transmitting device is connected with a threaded sleeve, a limiting sliding groove is provided with a first limiting controller, the upper cavity is provided with a firstsliding groove, the first sliding groove is slidably connected with a protective cover plate, and the lower cavity is provided with a sliding mechanism.

The invention discloses a modern intelligent rail type greenhouse leafy vegetable unmanned harvesting system. Automatic moving mechanisms are respectively arranged at the top ends of a first fixed rail and a second fixed rail, a moving rail is mounted at the top ends of the two automatic moving mechanisms, and a hydraulic rail is arranged in the middle of the moving rail; the other end of a hydraulic telescopic rod is fixedly connected with a fixed rod, and the other end of the fixed rod is provided with a moving cutting mechanism; a distance sensor is arranged on the side, near the first fixed rail, of the upper end of the moving rail. The system of the invention is novel in structure, a cutting tool can accurately and effectively perform cutting operation, and the distance sensor is usedto detect a distance from the fixed rails to the top of the leafy vegetable to determine the height of the leafy vegetable, thereby enabling the device to suitably perform cutting according to the height of the leafy vegetable. The practical performance of the device is improved. The harvested leafy vegetable can be directly guided out from both sides of the moving cutting mechanism by two inclined guiding members, so that the leafy vegetables do not pile up together and cannot be easily damaged.

The invention discloses an offshore wind power negative pressure barrel base hydraulic device which comprises a rack, a suction pump, a suction pipe, a conveying pipe and a discharge pipe. A clamping mechanism is arranged at the butt joint end of the conveying pipe. The hydraulic device further comprises a locking mechanism, wherein an electromagnet is installed at the front end of the rack; a pair of rotatable supporting arms is arranged on the two sides of the electromagnet; a longitudinal wheel module and a circumferential wheel module are arranged on each supporting arm; an elastic telescopic mechanism is arranged between the rear part of each supporting arm and the front part of the rack; a distance sensor is arranged at the bottom of the rack; and a photoelectric sensor is arranged at the front part of the rack. The device further comprises a controller. According to the hydraulic device, the electromagnet is matched with the longitudinal wheel modules and the circumferential wheel modules, so that the device can be attracted to a supporting barrel of a negative pressure barrel, vertical movement and circumferential movement around the supporting barrel of the hydraulic device are accurately controlled, automatic sinking, automatic positioning and automatic butt-joint locking of the hydraulic device are achieved, and the hydraulic device is simple and labor-saving. The hydraulic device can be used 100 meters deep underwater without leakage.

The invention discloses an electromagnetic protection safe elevator. The elevator comprises an elevator shaft and an elevator car. The bottom end of the elevator shaft is provided with a first electromagnetic device which is provided with a pressure sensor and triggered by a first distance sensor. The bottom end of the elevator car is provided with a second electromagnetic device triggered by a second distance sensor. Electromagnetic fields generated in the first electromagnetic device and in the second electromagnetic device are same in magnetic pole. ABS brake rail devices are fixedly connected to the two sides of the top end of the elevator car. The top end of the elevator shaft is fixedly connected with a storage battery and an automatic control box with a controller. Through the second electromagnetic device and the first electromagnetic device, the situation that the elevator car accidental falls and injures people is avoided, the first electromagnetic device of the elevator bodyand a first electromagnetic device on the ground simultaneously generate strong homopolar electromagnetism, the same electromagnetic poles repel mutually, thus, the elevator car is protected, throughthe ABS brake rail devices, the function of the ABS brake rail devices is automatically triggered when the elevator car falls due to sudden cable breakage, and thus the safety of the elevator car isensured.

The invention relates to a method and a device for lightening a screen, for solving the technical problem that in related technologies, a terminal device often cannot lighten the screen in time in a scene of needing to rapidly lighten the screen due to the fact that a distance sensor is slow in response speed. The method comprises the steps of when the terminal device is in a call state, acquiring a first trigger command for opening a dual-tone multi-frequency (DTMF) function of the terminal device, and executing the first trigger command; determining that the DTMF function is opened, and closing the distance sensor of the terminal device; and lightening the screen of the terminal device. When the terminal device opens the DTMF function, the distance sensor of the terminal device is closed, the screen of the terminal device is lightened, and the problem that the screen cannot be lightened in time when the screen needs to be rapidly lightened is solved.

The invention discloses an automatic installation robot for construction engineering, comprising a machine body, wherein the machine body comprises a base, an optical measuring instrument and an automatic mechanical arm are arranged on the base; one end, away from the base, of the automatic mechanical arm is provided with a gripping device; a storage battery is arranged in the base; a laser scanner is arranged on the base; an infrared distance sensor and a main control module are also arranged on the base; and the optical measuring instrument, the laser scanner and the infrared distance sensorare respectively and electrically connected with the main control module. The automatic installation robot provided by then invention has the characteristics of simple structure, convenient operationand high installation precision.

The invention discloses an intelligent fume hood system and a control method thereof. The intelligent fume hood system comprises a fume hood body, a glass sliding door, a balance weight mechanism, a vent valve, a lifting driving mechanism and the like, and further comprises a first sensor, a second sensor, a controller and the like. The controller can correspondingly control opening and closing of the glass sliding door and the vent valve according to signals monitored by the first sensor and the second sensor. According to the intelligent fume hood system, the structure of the lifting driving mechanism of the glass sliding door is improved, a human body proximity sensor, a force sensor and/or a gesture recognition sensor, an infrared distance sensor and the like are combined, the opening and closing state of the glass sliding door and the opening and closing state of a valve plate of the vent valve can be automatically controlled, good convenience is provided for experimenters, potential safety hazards caused by gas leakage in a fume hood can be eradicated, energy consumption can be reduced, and the intelligent fume hood system is safer and more environmentally friendly.

The invention discloses a ceiling cleaning device which comprises a flying device, a positioning device, a sweeping device, a collecting device and a control device. The flying device comprises a small brushless motor, a rotor wing protection frame, propeller blades, a rotor wing supporting frame, a device protection shell, an upper cover shell and a supporting frame. The positioning device comprises a laser radar distance sensor, an ultrasonic sensor and a sensor fixing seat; the sweeping device is used for providing a power source for the soft brush head executing sweeping work so that the soft brush head can conduct sweeping work. The collecting device comprises a dust collecting air groove, a dust collector, a dust collecting box and a collecting switch door, and is used for collectingdust; the control device is used for supplying power to the cleaning device, recycling and processing the cleaning device and sending a control instruction to enable the cleaning device to complete cleaning work. The ceiling cleaning device can complete cleaning work of complex wall surfaces and extreme heights, and has a dust collection function.

The invention discloses a scald-preventing coffee machine. The scald-preventing coffee machine comprises a coffee machine body, and the coffee machine body is provided with a coffee receiving window, a coffee receiving opening, a liquid drain pipe and a manual valve installed on the liquid drain pipe; an ultrasonic distance sensor is installed at the side wall of the coffee receiving window, an electromagnetic valve is installed on a hot blow-off pipe and is connected with the manual valve in series, the ultrasonic distance sensor and the electromagnetic valve are connected to a controller; the middle line of the coffee receiving opening and the middle line of the ultrasonic distance sensor are always maintained at the same line in the vertical direction. Through the adoption of the ultrasonic distance sensor and the electromagnetic valve, the ultrasonic distance sensor is used for transmitting a feedback position signal to the controller after sensing that a coffee cup is correctly placed, the controller controls the electromagnetic valve to open according to a preset safe distance value, and then the manual valve is manually opened to receive the hot coffee; the controlling is simple and convenient, the hand of a user cannot be scalded when the user receives the coffee, the security is high, and the coffee machine is suitable for adults and children to receive hot coffee. The coffee machine also has the features of being simple in structure and low in price.

The invention relates to the technical field of building material detection, in particular to a base material transverse deformation monitoring device based on building material detection, which comprises a detection frame, an electric control box, an auxiliary deformation component, a first material fixing component and a second material fixing component, a mounting rod is mounted at one end of the inner side of the first material fixing component, a side arc piece is arranged on the lower side of the mounting rod, a guide rod is mounted at one end of the inner side of the second material fixing component, and a bottom plate is arranged at the lower end of the side arc piece. The deformation quantity of the side arc piece is measured through the first distance sensor and the second distance sensor, the base material is extruded through the auxiliary deformation component, pressure applied to the front end and the rear end of the pressing block is detected through the pressure sensor, it is guaranteed that the output pressure of the push rod is consistent, the auxiliary deformation component can elastically contract, pressure applied to the base material is more stable, and the production efficiency is improved. And through the adjustment of the adjusting rod and the rotating roller, the device can adapt to base materials with different thicknesses and widths.

The invention provides a method and device controlling vehicle overload and a vehicle, and belongs to the technical field of vehicles. The device comprises an alarm device, distance sensors, travel switches, time relays and a central control unit; the alarm device is arranged on the vehicle; each distance sensor is arranged on one suspension of the vehicle and used for measuring the distance value between the suspension where the distance sensor is located and a vehicle floor; each travel switch is arranged on one suspension of the vehicle and is turned off when the distance value measured by the corresponding distance sensor is smaller than a first threshold value; each time relay is connected with one travel switch and used for keeping the turn-off time of the corresponding travel switch; the central control unit is used for controlling the alarm device to give an alarm when the timekeeping time of one or more time relays is larger than a second threshold value. By means of the technical scheme, vehicle overload can be avoided.