167results about How to "Prevent running away" patented technology

The invention provides a novel indoor air purification device. Water or an aqueous solution is used for absorbing various types of gas and granular pollution components in air, so that the aim of purifying the air is fulfilled; a Venturi throat opening is formed in an air channel; when the gas passes through the throat opening, the speed of gas flow is obviously increased, and high shearing force is formed in the gas flow, so that liquid entering the Venturi throat opening is sheared into extremely thin fog drops; after leaving the Venturi throat opening, the gas flow is slowed down and forms strong turbulent fluctuation, so that particles in the air and the extremely thin water drops can be in full contact and collision, and the particles in the air are transferred into liquid; the water drops in a turbulent fluctuation region also collide, and the water drops are re-enlarged, so that the water drops can be removed from a gas-liquid separation chamber, and the gas pollution components in the air are dissolved in the liquid so as to be absorbed and removed.

The invention discloses a dual-core medical electric bed controller which comprises a control module, a controller, a plurality of motors, a signal processor and a mechanical device. A control signal is sent to the controller by the control module, a plurality of driving signals are sent by the controller, the motors are respectively driven by the driving signals and the driving signals of the motors are synthesized by the signal processor, so that the mechanical device is controlled to move. The driving signals comprise a first driving signal, a second driving signal, a third driving signal, a fourth driving signal, a fifth driving signal, a sixth driving signal, a seventh driving signal, an eight driving signal, a ninth driving signal, a tenth driving signal, an eleventh driving signal, a twelfth driving signal and a thirteenth driving signal. The motors comprise a first motor, a second motor, a third motor, a fourth motor, a fifth motor, a sixth motor, a seventh motor, an eighth motor, a ninth motor, a tenth motor, an eleventh motor, a twelfth motor and a thirteen motor.

An emitting light device of the present invention is realized on the bicycle to generate and conserve electric power, to light the emitting light device. In practice a driven wheel combined with rotating portion (i.e. rear wheel) of the bicycle to form a center-pivot type of axis-joint rotating structure. A bicycle dynamo includes 1. an actuated wheel and a dynamo with a set of differential gears between them, 2. a PCB, and 3. a battery accumulator. A transmission belt is rotated around the driven and actuated wheels; an emitting light base has conducting cords connected to PCB of the dynamo. As the driven wheel rotates, the actuated wheel is driven to rotate by the transmission belt. The speed ratio of transmission is changed by a set of differential gears to run the dynamo generate DC electricity and conserve electricity for battery. DC electricity can be applied to light LED.

The invention relates to a mineral floatation column, in particular to a columnar floatation device for separating minerals in a liquid medium. The columnar floatation device is characterized by structurally comprising a floatation column body, an ultrasonic generating device and a mounting base, wherein the mounting base is fixedly connected to a circular through-hole formed on the lateral wall of the floatation column body; and the ultrasonic generating device is mounted on the mounting base. By taking the unique advantages of the existing floatation column and introducing the ultrasonic technology into the floatation column, materials passing through the floatation column are subject to hydrodynamic force, gravity force, surface chemical force, interaction force among particles, and cavitation and ultrasonic direct-inflow effects generated by ultrasonic waves, so that the invention can strengthen the separation process of materials, extend the size fraction range for the materials of the floatation column to select, stimulate the recycling of coarse-particle materials and improve the separation precision, and meanwhile, the invention can improve the recovery rate of operations and reduce the cost of separation operations. The floatation column is applicable to various separation fields, such as mineral separation, wastewater treatment, petroleum, chemical engineering, environmental protection and the like.

The invention relates to a cyclone-type waste plastic crushing, sorting, and washing system. Along a material delivery direction, the system comprises the following components arranged sequentially: a crusher used for crushing waste plastic, a flotation tank used for sorting waste plastic pieces according to density differences of flotation medium and the waste plastic pieces; and one or more than two serially connected cyclone sorting and washing devices used for carrying out cyclone sorting and waste plastic piece washing through a fluid medium. The invention also relates to a cyclone-type waste plastic crushing, sorting, and washing method. According to the system and the method, the structure is simple, waste plastic treatment process continuity and automation are realized, treatment efficiency and treatment effect are effectively improved, and waste plastic automatic sorting and washing are realized. The system and the method belong to the technical field of waste plastic recovery.

The invention discloses a five-axis medium-low speed full-automatic dispensing robot servo controller. The servo controller comprises a singlechip, a plurality of LM 629 chips, a plurality of motor drivers and a plurality of high-speed direct current motors, wherein the singlechip is in communication connection with the LM 629 chips; the LM 629 chips transmit control signals to the motor drivers; the motor drivers drive the high-speed direct current motors; and the singlechip comprises an image acquisition and processing module. According to the invention, a dual-core processor is formed on the basis of the singlechip and the LM 629 chips, so as to release the singlechip out of heavy workload, thereby enhancing capacity of resisting disturbance greatly.

The invention belongs to the technical field of unmanned driving and discloses a multiple sensor-integrated medium-speed unmanned vehicle detection and obstacle avoidance system, which comprises a control system, a vehicle roof laser radar, a vehicle-mounted monocular vision camera, a front laser radar group and a rear laser radar group, wherein the vehicle roof laser radar is used for detecting ups and downs of a road in front of the unmanned vehicle and together with the front laser radar group, detecting the obstacle condition in a front motion path of the unmanned vehicle; the front laserradar group is also used for detecting the obstacle condition in a left front motion path and a right front motion path of the unmanned vehicle; the rear laser radar group is used for detecting the obstacle condition in the rear side of the unmanned vehicle; the vehicle-mounted monocular vision camera is used for recognizing a sign in front of the unmanned vehicle and together with the vehicle roof laser radar and the front laser radar group in match, detecting the obstacle condition; and the control system comprises an upper computer and a lower computer; and the lower computer is a dual-corecontroller formed by an FPGA and an ARM. The price is low, the cost performance is relatively high, and the practicability is strong.

The invention relates to an intelligent power unit for a high-power converter device and a control method, used for a high-voltage frequency converter and a photovoltaic inverter. The frequency converter is formed by a plurality of power units, each phase of which is arranged in multiple layers, in series; each power unit is provided with a unit field programmable logic array FPGA and a single chip microcomputer unit STM32; the unit field programmable logic array FPGA and the single chip microcomputer unit STM32 are connected through a serial interface SPI; bus over-voltage detection, temperature measurement, bridge arm open-circuit and short-circuit state detection having flash lamp indication, pulse wide measurement and the like are connected to the inlet of the FPGA; the outlet is connected to a driving circuit; a main control system comprises a central data controller and a layer controller on the same mainboard; bidirectional transmission between the main control system and the FPGA is realized through two optical fibres; the two have communication state detection; transmission is carried out according to a specified time sequence; therefore, the anti-interference performance is high; the real-time performance of fault response is ensured; dead-time compensation in pulse width measurement is carried out according to the real waveform; the compensation precision is the highest; a variable-frequency motor is constant in waveform and steady in torque; a test result shows that: the communication speed is high; the synchronization performance is good; the reliability is high; performances are comprehensively optimized and intelligentized; the cost is low; and the intelligent power unit is used for the driving power supply of the variable-frequency motor and the power supply of the photovoltaic inverter.

The invention discloses an automatic control system of a multifunctional drying machine, which comprises a microprocessor, and a humidity sensor and a temperature sensor which are connected with the microprocessor, and is characterized by further comprising a humidity setting module, a temperature setting module, an optical coupler, a relay, a drying machine and a host computer, wherein the humidity setting module and the temperature setting module are respectively connected with the microprocessor, the host computer is connected with the microprocessor through a serial communication circuit, and the microprocessor is connected with the drying machine through the optical coupler and the relay sequentially. The automatic control system of the multifunctional drying machine can realize remote control, accurately control the humidity of an object to be dried, and control the temperature during the drying process, so that the dryness of the object reaches the preset value, a product is enabled not to be qualitatively changed under overhigh temperature, and the quality of the object to be dried is guaranteed.

The invention discloses a two-wheel drive type low-speed patrol car system and an operating method. The two-wheel drive type low-speed patrol car system comprises a two-wheel drive system, a front blind area detection and obstacle avoidance system, a rear blind area detection and obstacle avoidance system, an environment detection system and a central control system. By the front blind area detection and obstacle avoidance system, the rear blind area detection and obstacle avoidance system and the environment detection system, determining a position of a patrol car in real time and navigationare realized while whether surrounding obstacles exist or not is determined, and data are fed back to the central control system in real time to realize analytical processing; the central control system controls a two-wheel drive system to change an operating state of the patrol car to enable the patrol car to accelerate to pass through or bypasses obstacles, so that patrol normality of the patrolcar is guaranteed. By ARM controller and NUC computer combined dual-core control, operating stability and accuracy in navigation patrol of the patrol car are guaranteed, and the patrol car is suitable for regions under outdoor bumpy road conditions and emergency conditions.

The invention discloses a summer hat. The summer hat comprises a hat crown part which is arranged on the head of a user and a hat brim part which is used for blocking the face of the user, wherein the hat brim part is connected with the brim crown part, the surface of the hat crown part is provided with ventilation meshes, the top of the hat crown part is provided with a solar storage battery, a Velcro is sewn on the bottom edge of the hat crown part, a piece of rainproof fabric for preventing the head from being wetted by the rain is attached on the Velcro, the middle part of the hat brim part is provided with a hole, a fan is installed in the hole, and the fan is electrically connected with the solar storage battery. The summer hat has the advantages that the fan can be controlled by the solar storage battery to rotate so as to bring about coolness in summer, the rainproof fabric can prevent the head from being wetted by the rain, the ventilation of the hat crown part is strong, the junction between the hat brim part and the hat crown part is provided with a zipper, the summer hat is detachable and convenient to wash, a buckle is buckled on ears so as to prevent the hat from flying away, the edge of the hat brim part is provided with an LED (light emitting diode) lamp which is used for illumination, and not only practicability but also attractiveness can be realized.

The invention provides a multi-sensor fused unmanned vehicle detection obstacle avoidance system and obstacle avoidance method. The obstacle avoidance system comprises a plurality of single-line laserradars, double CCD cameras, microwave radars, front and rear blind area ultrasonic sensor groups and a three-core controller based on ARM + FPGA + NUC. A plurality of single-line laser radar signalsare processed by the NUC microcomputer, binocular vision graphic data of the CCD camera are jointly processed by the ARM + FPGA controller, functions of blind area detection and obstacle avoidance, ahuman-computer interface, path planning, online output and the like are independently completed by the STM32F767, and the ARM + FPGA controller outputs control signals through decoding to accurately control the direct-current brushless servo motor, and drives an unmanned vehicle to run. According to the invention, the unmanned vehicle can discover obstacles in a complex environment in an all-weather and farther manner and quickly realize effective obstacle avoidance, so the safety and stability of the unmanned vehicle during high-speed driving are improved.

The invention provides a drive module of a relay. The drive module of the relay comprises a processor for outputting a control signal, a pulse generating circuit, a switch control circuit and a power input circuit, wherein the input end of the pulse generating circuit is connected with the output end of the processor, the pulse generating circuit is used for receiving the control signal and outputting a pulse signal, the signal input end of the switch control circuit is connected with the output end of the pulse generating circuit, the output end of the switch control circuit is connected with the input end of the relay, the switch control circuit is used for receiving the pulse signal and controlling on and off of the relay, and the power input circuit is connected with the power input end of the switch control circuit and is used for supplying power for the relay. The drive module of the relay has the advantages that powering-on time of the relay can be accurately controlled, the phenomenon that a coil inside the relay is heated and short-circuited and accordingly is burned out due to long-time electrification, most of drive module is controlled through hardware, 'uncontrolled running' or 'endless loop' of programs is avoided, and the drive module is safe and reliable.

The invention discloses an intelligent visitor access control system for a district. The intelligent visitor access control system comprises: a visitor visiting assembly; a data transmission assembly, which comprises a data storage module, an output module and a reception module; an entrance gate access control assembly, which comprises a gate body, a pair of door leaves, a first recognizer, a first comparison module and a first driving module; and a control assembly, which comprises a control module and an execution module. The intelligent visitor access control system is such configured that when two-dimensional code information recognized by the reception module and the first recognizer is identical and is in a valid period, the pair of door leaves are opened, or otherwise the pair of door leaves are closed; and when the pair of door leaves extend out, the free ends of the right and left door leaves approach each other to form a plane which forms an included angle of 30 to 60 DEG C relative to a passing direction so as to restrict passing. According to the intelligent visitor access control system, a pair of door leaves facilitates passing of a visitor are arranged at the entrance of the district through two-dimensional code interaction, recognition and confirmation of an owner, the visitor and an entrance guard terminal; through query of two-dimensional code information three times, people without authority are not allowed to pass; thus, the intelligent visitor access control system is safer and more efficient, convenient and intelligent.

The invention discloses a plate stacking machine. The plate stacking machine comprises plates, and further comprises a first frame, a second frame and a stacking frame; the first frame, the second frame and the stacking frame are arranged in sequence from right to left; a feeding device is arranged on the first frame; a conveying device is arranged on the second frame; a stacking arm is arranged at the end, near the stacking frame, of the second frame; a stacking device is arranged on the stacking arm; and the plates move onto the stacking frame in sequence through the feeding device, the conveying device and the stacking device. The plate stacking machine is high in efficiency and low in cost.

The invention relates to a support adjustable magnetic health pillow, and belongs to the technical field of pillows. The pillow comprises a pillowcase and a pillow core arranged in the pillowcase, wherein one side of the pillow core protrudes upward to form a cervical vertebra support part, a health magnet is arranged in the pillow core, a side hole of the pillow core is opened, an accommodation space is arranged inside, and a hardness adjusting layer is arranged in the accommodation space; The hardness adjusting layer comprises an inflatable air bag and a support part arranged in the air bag;An upper surface of the airbag is at least partially connected with an upper surface of the support portion, and a lower surface of the airbag is at least partially connected with a lower surface ofthe support portion. The support part is provided with a plurality of support holes penetrating at least one side, and the health magnet is arranged on the upper surface of the pillow core. The pillowis used for providing a comfortable sleeping environment with magnetic treatment and health care function, and the soft and hard support degree can be easily adjusted.

The invention discloses a dual-core medium-speed six-wheel little mouse exploration controller comprising a sensor device, an auxiliary navigation device, a vacuum suction device and a control unit module. Every two of the six wheels of the little mouse are paired and respectively arranged at the head part, the middle part and the tail part. The auxiliary navigation device comprises a direction sensor D1, a gyroscope G1 and an accelerometer A1. The sensor device and the gyroscope device are respectively connected with the control unit module in a signaling way. The control unit module is respectively connected with motors X, Y, Z, U, R and M in the signaling way. The phenomenon of slipping of the little mouse in exploration can be solved by the vacuum suction device arranged below the chassis. Meanwhile, servo control of the vacuum suction DC motor M can be automatically adjusted according to advancing speed of the little mouse and the ground conditions so that the little mouse is enabled not to be limited by the ground conditions of a maze.

The invention discloses a double-core high speed two-wheel mini mouse spurting controller, comprising a battery device, a sensor device, a gyroscope device G, a vacuum suction device and a control unit module; the battery device is electrically connected to a control unit module, a motor X, a motor Y and a motor M; the sensor device and the gyroscope device are in signal connection with the control unit module; and the control unit module is in signal connection with the motor X, the motor Y and the motor M. The vacuum suction device arranged under the chassis of the double-core high speed two-wheel mini mouse spurting controller solves the slipping problem of the mini mouse during the walk, and the servo control of the vacuum suction DC motor M is automatically controlled according to the marching speed of the mini mouse and the ground situation in order to make the mini mouse not limited to the ground condition of the maze.

The invention discloses a switching machine protecting circuit of a vehicle information system, which comprises a switching machine control circuit, wherein an input end of the switching machine control circuit is connected with an output end of an engine / generator and an output end of the switching machine control circuit is connected with a switching machine control signal end, the switching machine control circuit is powered by a storage battery and comprises a fast power-on circuit and a delay discharging circuit which are connected with each other in parallel between the output end of the engine / generator and the switching machine control signal end. The switching machine protecting circuit of the vehicle information system has the characteristics of fast power-on, delay discharging, high reliability, low standby current and low cost, and can be extensively applied to the field of electronic information system of vehicle.

The invention discloses a single-core low-speed two-wheeled picomouse sprint controller, comprising an STM32F4 controller, an L6207D chip, a cell, a first sensor, a second sensor, a third sensor, a fourth sensor, a gyroscope, a first motor, a second motor, a third motor, a current sensor and a vacuum apparatus. The STM32F4 controller and the L6207D chip are in signal connection; the signal emission direction of two sensors is the same with a wheel running direction, and the signal emission direction of the other two sensors and the wheel running direction form a certain angle; the gyroscope and the STM32F4 controller are in signal emission; two motors among the three motors are respectively in corresponding connection with two wheels of a two-wheeled picomouse, and the other motor is in connection with the vacuum apparatus. The controller increases an operation speed, constantly monitors and calculates running states of the picomouse, automatically regulates the ground adsorption capability of the vacuum apparatus, and completely avoids the skidding of the picomouse when sprinting with a high speed in a complex labyrinth.

The invention discloses a powdery solid fuel combustion and work application method and a powdery solid fuel combustion and work application device. Powdery solid fuel is input into an open cycle gas turbine system for combustion by utilizing an airtight helical feeder, and enters a gas turbine to be expanded and apply work to generate power, wherein the airtight helical feeder is provided with a device which prevents a high-pressure combustion gas from being leaked outwards from a combustor along a rotating shaft of a helical fin in an airtight shell.

The invention discloses a dual-core two-wheeled top-speed microcomputer mouse-based diagonal sprint servo system. The system comprises a sprint central control unit, a first motion driving unit, a second motion driving unit, a first high-speed direct current motor, a second high-speed direct current motor and a power supply unit, wherein the sprint central control unit comprises an ARM 9 (Advanced RISC Machine) processor and an FPGA (Field Programmable Gate Array) processor; the ARM9 processor is electrically connected with the FPGA processor; the FPGA processor is electrically connected with the first motion driving unit and the second motion driving unit respectively; the first motion driving unit is further electrically connected with the first high-speed direct current motor; the second motion driving unit is further electrically connected with the second high-speed direct current motor. According to the system, two processors are simultaneously adopted to work cooperatively to process data, so that the operation speed is higher, large current is prevented from being generated, and the influence of batteries on the high-speed sprint is reduced; a gyroscope can navigate for the turning of a microcomputer mouse, so that the stability for the microcomputer mouse is improved.

The invention relates to a rotor type compressor, which comprises: an upper shell cover, stators, rotors, a crankshaft, a shell, an upper cylinder cover, a cylinder, a piston, blades, a lower cylinder cover, a lower shell cover, and an air inlet connecting pipe. The upper cylinder cover and the shell are integrated together and molded into a one-piece frame in one step. The top of the one-piece frame is provided with a concave platform that is equipped with a concave platform plane, on which the lower ends of the stators are fixed. The one-piece frame is provided with an air suction port, one end of which is disposed on a side of the one-piece frame and the other end of which is disposed on a contact surface between the one-piece frame and the cylinder. The air inlet connecting pipe is introduced into the air suction port under static pressure so as to be in interference fit with the air suction port. Compared with prior art, the compressor of the invention has the advantages of coaxiality, uniform gap between the stators and rotors, no influence on the eccentric gap of a pump body during installing the air inlet connecting pipe, and no hidden trouble of internal leakage, etc.

A four-wheel-drive high-speed all-weather driverless patrol car system comprises a patrol car body and a control system. The patrol car body comprises two pairs of front and rear driving wheels, and each pair of driving wheels is driven by four direct-current motors in connection with planetary reducers. First front and rear environment detection and protection systems in a control system mainly comprise single-line laser radars and CCD cameras; each of second front and rear environment detection and protection systems mainly comprises two microwave radars; each of front and rear blind area detection and obstacle avoiding systems comprises three ultrasonic sensors; the single-line laser radars, the microwave radars, the CCD cameras and a first auxiliary controller are all connected with amaster controller; ultrasonic sensors and motor drivers are connected with the first auxiliary controller, and each motor driver is connected with four direct-current motors. The system is high in stability, reliability, cost performance, operation processing speed and flexibility and effective in resistance to severe weather.

The invention discloses a glitch-free self-adaptive clock switching method for a UART (Universal Asynchronous Receiver Transmitter) interface chip. The glitch-free self-adaptive clock switching method for the UART interface chip comprises the flowing steps of (1) obtaining a next working state, namely, inputting the clock frequency and the baud rate of the UART interface chip through a self-adaptive clock switching module according to configuration information which is wrote in through a CPU (Central Processing Unit) in a parallel mode; (2) calculating the UART interface chip required mclk frequency; (3) comparing the required mclk frequency with clkin frequency, calculating the double frequency and opening a frequency doubler when the required mclk frequency is higher than the clkin frequency and closing the frequency doubler when the required mclk frequency is lower than the clkin frequency; (4) switching the chip mclk according to opening and closing of the frequency doubler. The UART interface chip comprises the self-adaptive clock switching module which is connected with a chip mclk. According to the glitch-free self-adaptive clock switching method for the UART interface chip, clock strategies of the chip is automatically adjusted and the purpose of optimizing power consumption is achieved according to a current working state of the UART interface chip and the next working state which is wrote in through the CPU.

The invention provides an anti-lost control method, a control device, equipment, a storage medium and a system. The anti-lost control method comprises steps that whether a target signal exists in a preset range or not is detected; when the target signal is detected in the preset range, whether a door body is in an open state or not is detected; when the door body is in an open state, a closing signal is outputted so that the door body is closed. The anti-lost control method is advantaged in that whether the target signal exists in the preset range or not is detected; when the target signal exists, the door body is opened, the door body can be closed, people with half civil affairs, people without civil affairs or other people needing to limit the activity range can be prevented from goingout through the door body, and thereby the activity range of people with half civil affairs, people without civil affairs or other people needing to limit the activity range can be limited to a certain extent.

The invention discloses a servo control system of a four-axis full-automatic tin soldering robot. The servo control system comprises a control module, a first motor, five motors, an action module, a tin discharging module and a temperature sensor, wherein the control module comprises a digital signal processing chip and a field programmable gate array chip, the digital signal processing chip is connected with a spot soldering position on the action module through the temperature sensor, the field programmable gate array chip generates a pulse width modulated wave signal to be transmitted to the five motors, four electrodes are respectively connected with the action module, and the fifth motor is connected with the tin discharging module. According to the servo control system of the four-axis full-automatic tin soldering robot, the processing speed of the servo control system is greatly increased through the control module based on the digital signal processing chip and the field programmable gate array chip, the rapidness requirement of the tin soldering system can be well met, the design is simple, the development period is shortened, the program runaway can be effectively prevented, and the interference resistance is greatly enhanced.

The invention discloses a multi-wire system thermocouple. The multi-wire system thermocouple comprises a plurality of positive thermal electrodes and a plurality of negative thermal electrodes, wherein one of the positive thermal electrodes and one of the negative thermal electrodes work in pairs, and one of the other positive thermal electrodes or the other negative thermal electrodes is selected to be grounded, and the rest of thermal electrodes are suspended; one end of each of the positive thermal electrodes and the negative thermal electrodes is connected together; and the thermocouple also comprises a shock absorber and a discharge comb which sleeve a thermocouple temperature measuring rod. According to the multi-wire system thermocouple of the invention, based on timely discharge and charge transfer, charges can be prevented from being accumulated the temperature measuring component to the greatest extent, and at the same time, charge generation quantity can be decreased from the source, and the interference of interference charges on temperature measuring potential can be eliminated from a plurality of channels.

The invention provides a meat duck transport device. The meat duck transport device comprises a plurality of uniformly arranged cages, wherein the two sides of each cage are provided with movable doors respectively, each movable door comprises vertical rods at the two sides, a plurality of transverse rods are arranged between the vertical rods, the two sides of each vertical rod are provided with racks, the racks are meshed with gears on the tops of the cages, the gears are fixedly connected through gear rods respectively, the gear rods are rotationally connected to the tops of the cages and connected with a motor, the cages are internally provided with conveying devices, the conveying devices comprise conveying belts, the conveying belts penetrate through openings of the cages, a fixing plate is arranged between upper and lower layers of each conveying belt, the two sides of each fixing plate are hinged with rotating plates, the rotating plates are slidably connected with connecting plates, the bottoms of the connecting plates are hinged with telescopic rods, and the bottoms of the telescopic rods are fixed to the inner bottom faces of the cages. The meat duck transport device has the advantages that the design is reasonable, the structure is simple, the device is safe and reliable, and ducks can be automatically driven and transported, thereby reducing manpower and improving the working efficiency.