239results about How to "Avoid danger" patented technology

The invention relates to a car behavior data identification and management method based on internet of things. According to the method, a car behavior database is established according to car condition data and the character and the driving style of a driver, a car prediction model used for predicting car behaviors is further established, and car behaviors are predicted. The method is capable of monitoring the vehicle state in time, detecting the driving mood of a driver, knowing the driving style of the driver and predicting the car behaviors in real time, so that the driving safety is improved, and a harmonious and safe society is better built.

The invention discloses a blindman outdoor support system based on computer vision, which comprises an image acquiring unit, a voice output unit, and an image-voice converting unit respectively connected with the image acquiring unit and the voice output unit, wherein the image-voice converting unit comprises an image-voice converting hardware unit and an image-voice converting software unit; and the image-voice converting software unit comprises camera parameter calculation software, plane detection software, obstacle detection and analysis software and image information-voice conversion software. In the system, a binocular camera is utilized to acquire images, a walkable area as well as obstacles and properties of the obstacles corresponding to the physical space in an image are extracted by a software algorithm in an embedded image processor, information is fed back to the blindman through a voice interface so as to assist the blindman to better understand road scenes and make a more comprehensive judgment, expand the sensing range of the blindman and avoid dangers. The device has a small size and low cost, is convenient to carry and facilitates the outdoor activities of the blindman.

The invention discloses an information processing method and an electronic device. Whether movement parameters of the electronic device meet preset conditions or not is obtained through a sensor, and therefore the result showing whether the electronic device is about to collide with barriers or not or the result showing whether the electronic device is doing dangerous actions or not is obtained. If the electronic device is about to collide with the barriers or the electronic device is doing dangerous actions, a display unit is controlled to be switched to a second display state from a first display state, wherein the second display state is different from the first display state, and therefore the technical effects of prompting a user that dangers are about to happen and lowering the accident occurrence probability can be achieved.

The invention discloses a safeguard system for a kindergarten, and is characterized by comprising a kindergarten gateway pick-up device, a kindergarten gateway, RFID (radio frequency identification device) inductors, a kindergarten internal network server, an RFID for identifying identities of students and a parent receiving terminal, wherein a short message sending platform is arranged on the kindergarten internal network server; the kindergarten internal network server is in network connection with monitoring stations of an administrator, a teacher and a security guard through a kindergarten internal network, and is connected with a switchboard; the switchboard is connected with the vertical type pick-up device; and the kindergarten internal network server is connected with the RFID inductors arranged in the kindergarten and at the kindergarten gateway through a bus. According to the safeguard system, children are prevented from accidents in a pick-up link, kindergarten activities and kindergarten pick-up actively, and the safety of the children is actively guaranteed in the pick-up link and the kindergarten activities.

The invention provides a glass double-sided magnetic cleaning wiper. Two cleaning wipers which can be oppositely and respectively arranged on both surfaces of glass and are adsorbed on the glass in a sliding structure through the magnetism, and magnetic blocks which can be mutually adsorbed are arranged between plate bodies and wiper bodies of the two cleaning wipers. When a glass window is wiped, the two cleaning wipers are respectively arranged on the both surfaces of the glass and are oppositely adsorbed together through the magnetism, and a user can hold a single cleaning wiper on the inner surface of the window body to drive the opposite cleaning wiper to wipe the both surfaces of the glass in a mode of sliding back and forth, therefore, the invention has simple operation, can avoid dangers by wiping the window outsides and has the effects of cleanly and rapid cleaning.

The invention relates to a forceps opening assembly with a guiding structure and a stitching instrument adopting the forceps opening assembly. The forceps opening assembly comprises a nail pressing seat bracket 2, a nail pressing seat 3, a nail cabin bracket 5 and a nail cabin 4; a first chute 6 is formed at the middle lower part of the nail pressing seat bracket 2; a dovetail slide rail 7 is arranged at the upper part of the rear end of the nail pressing seat bracket 2; a second chute 8 is formed at the top part of the rear end of the nail cabinet bracket 5; the lower end of the nail cabinet 4 is arranged in the first chute 6 in a sliding manner; and the slide rail 7 is arranged in the second chute 8 in a sliding manner. The stitching instrument further comprises a cutting device. In the invention, the forceps assembly with the guiding structure can effectively prevent the nail cabinet from running out in the closing process of the forceps assembly; the adopted cutting device can easily realize full separation of tissues; meanwhile, the removable forceps assembly can satisfy the requirements of the stitching instruments with different suture lengths in a same operation, such that manufacturing cost and operation cost of the stitching instrument can be saved.

The invention, which relates to the field of the smart car technology, discloses a driving-vehicle-based blind zone detection method and apparatus, a terminal, and a vehicle so that the potential riskaround the vehicle during a driving process can be displayed by using a head-up display system so as to warn the driver for safety driving. The method comprises: running parameters of a vehicle itself are collected, wherein the running parameters include a current running speed of the vehicle; according to the running speed, a blind zone detection range of the vehicle is determined; on the basisof a vehicle-to-vehicle communication technology, road condition information in the blind zone detection range is obtained; and if dangerous information exists in the blind zone detection region basedon the road condition information and the running parameters of the vehicle, the dangerous information is displayed in the head-up display system of the vehicle. The driving-vehicle-based blind zonedetection method and apparatus, the terminal, and the vehicle are mainly used for detection and early warning for the blind zone of the vehicle.

The invention relates to a socket with an indicating lamp. The socket with the indicating lamp comprises a socket body (9) and an actuating motor (91) arranged in the socket body (9), wherein the rotor of the actuating motor (91) is in power connection with a screw (95), the screw (95) is fit with a threaded hole in a horizontal wall part (8) in the socket body (9), the stator of the actuating motor (91) is fixedly connected with power supply guide pillars (74) which slidably penetrate through and are in sliding fit with sliding holes formed in the horizontal wall part (8), the power supply guide pillars (74) are used for being jointed with power supply holes (60) in a plug (6) inserted into jacks of the socket body (9) to supply power, and a compression spring (71) is arranged on each power supply guide pillar (74) between the side surface, facing to the actuating motor (91), of the horizontal wall part (8) and the stator of the actuating motor.

A trailer for use as an ice fishing house or for transporting a load from one area to another has a frame and a load bearing platform attached to the frame which is capable of being moved from a travel position to a ground level position. A lifting mechanism is located on each side of the trailer and made a part of the rubber torsion stub axle assembly connected to the trailer frame with the lifting mechanisms being operated by arm and handle assemblies attached to rubber torsion stub axles. When the arm and handle assemblies are rotated to a vertical position, the trailer frame is lowered to the ground level and when the arm and handle assemblies are rotated to a horizontal position, the trailer frame is raised to the travel position. Two securing means are used on each lifting mechanism to secure the frame in the travel position.

The invention discloses an elevator brake control system and a control method. According to the scheme, a power supply regulation circuit is adopted to regulate input PN voltage into direct current voltage required by elevator brake control through closed-loop control, and current change required by elevator brake control can be controlled according to demands; meanwhile, a switch circuit is matched with the power supply regulation circuit, and the switching of current regulated through the power supply regulation circuit is controlled, so that a brake power supply is shut off. The brake control scheme replaces the traditional brake power supply and brake contactor, reduces the cost, eliminates the noise produced during the operation of the contactor, improves the reliability of circuits, reduces the quantity of maintenance points, can control the operation process of a brake through current control, reduces the noise produced during the operation of the brake, and cancels continuous current circuits at two terminals of a brake coil.

The invention discloses a detection circuit for three-phase alternating current phase dislocation and phase loss and a detection method of the detection circuit. Three-phase alternating current which needs to be detected is connected into three interfaces R, S, T of the detection circuit; the three-phase alternating current is connected with the circuit by detecting an optocoupler forestage circuit to form a delta connection; and by the isolation of an optocoupler, a high-voltage signal is converted into a low-voltage 3.3V high low-level signal to be input into a central processing unit (CPU). By using the detection circuit for the three-phase alternating current phase dislocation and phase loss and the detection method of the detection circuit disclosed by the invention, under the condition that the wiring phase sequence error of the three-phase alternating current occurs, the error can be detected in time when the detection circuit is powered up and a safety protection measure is adopted, and therefore, danger is avoided and losses are reduced. Meanwhile, compared with other traditional detection methods, the detection method disclosed by the invention is saved in device material and reduced in cost.

The invention provides an autonomous flight pesticide spraying unmanned aerial vehicle controlled precisely and a plant protection method using the autonomous flight pesticide spraying unmanned aerialvehicle controlled precisely. The autonomous flight pesticide spraying unmanned aerial vehicle comprises a fuselage, four or more rotor wings, an undercarriage, a mounting plate, an externally-hung pesticide box, a control device and a power source. The control device of the unmanned aerial vehicle collects environment data in real time, and comprehensive dynamic adjustment is conducted accordingto the environment data, specifically, the expansion amount of expansion joints is adjusted according to the deviation angle, a wind speed empirical value is added on the basis of the expansion amount, and thus spraying precision is improved; and PWM is adjusted according to the wind speed, the spraying amount is increased, and the unmanned aerial vehicle plans a path automatically and makes a return flight automatically under the situation that the wind speed is too large. According to the autonomous flight pesticide spraying unmanned aerial vehicle controlled precisely, the spraying precision can be effectively improved, and the using safety of the unmanned aerial vehicle is improved.

The invention discloses a trajectory-controllable pruning method based on tree climbing of a robot. The trajectory-controllable pruning method includes mounting the tree climbing robot on a trunk of ato-be-pruned tree; adjusting the angle between a driving wheel of the tree climbing robot and the axis of the trunk, and selecting an angle position; controlling the tree climbing robot to climb upwardly around the surface of the trunk at a certain lead angle, and controlling an electronic chain saw to prune branches; during pruning, adjusting the angle between the driving wheel of the tree climbing robot and the axis of the trunk according to actual position conditions of the to-be-pruned branches, and changing the lead angle; after pruning by the tree climbing robot, controlling the electric chain saw to stop, and taking down the tree climbing robot. The trajectory-controllable pruning method has the advantages that the angle between the driving wheel of the tree climbing robot and theaxis of the trunk is adjusted to control the tree climbing trajectory, so that the practicability is high, pruning efficiency for fast-growing woods can be improved, and labor intensity of forestry workers can be reduced.

The invention provides a contingency plan co-simulation method for chemical laboratory hazardous material management and systems thereof. The method comprises the following steps of establishing a scene model of a virtual chemical laboratory hazardous material, a virtual laboratory emergency equipment model, a virtual accident model and a plurality of pre-arranged planning exercise member sub-systems; simulating an accident site according to the scene model of the virtual chemical laboratory hazardous material and the virtual accident model; corresponding pre-arranged planning exercise member sub-systems are connected, virtual laboratory emergency equipment model and contingency plans are correspondingly selected according to a user instruction, and collaborating the pre-arranged planning exercise member sub-systems to conduct accident handling simulation. The contingency plan co-simulation method and the systems of the method can conduct contingency plan simulation on chemical laboratory hazardous material management in the power industry, can virtualize various emergencies possibly happening in a laboratory and can virtualize large scale personnel collaboration pre-arranged planning exercise simulation of different granularities and polymerization degrees.

The embodiment of the invention relates to the technical field of the Internet of Things, and discloses a remote monitoring method and apparatus. The method includes: determining whether a guardian of a child goes out through a sensor installed at an entrance door region; if yes, obtaining an image of the child through an indoor camera; determining the probability of danger occurrence of the child according to the image of the child; and sending alarm information to a terminal device of the guardian if the probability of danger occurrence of the child is greater than a preset threshold. By employing the method and apparatus, an image analysis of the monitored image can be conducted, whether the child has possible danger is determined, and if yes, the alarm information is output to the guardian of the child so that the guardian can take measures and possible danger of the child is avoided.

A power supply apparatus with stable power supply is disclosed. The power supply apparatus comprises a main body (9) and a plug (6) which is inserted into a jack of the main body (9). A locking and unlocking motor (91) is arranged in the main body (9). A rotor of the locking and unlocking motor (91) is connected with a screw (95) in a power connection mode. The screw (95) forms screw-thread fit with a screw hole of a movable component (8) in the main body (9). A stator of the locking and unlocking motor (91) is fixedly connected to a power supply guide rod (74) which forms sliding fit with and slidingly passes through a slide hole arranged in the movable component (8). The power supply guide rod (74) is used for jointing a power supply hole (61) in the plug (6) which is inserted into the jack of the main body (9) so as to carry out power supply.

The embodiment of the invention provides a high-speed automatic driving scene obstacle perception evaluation method and device. The method comprises the steps of processing a road test image according to a visual perception algorithm to obtain the algorithm output data, wherein the algorithm output data comprises the position and the type of a first obstacle, and the road test image is acquired when an autonomous vehicle runs on a road; carrying out marking processing on the obstacle in the drive test image to obtain true value marking data, the true value marking data comprising the position and the type of a second obstacle; and performing obstacle matching according to the algorithm output data and the true value annotation data to obtain an evaluation result of the visual perception algorithm. According to the high-speed automatic driving scene obstacle perception evaluation method and device provided by the embodiment of the invention, the problems that an existing obstacle perception evaluation method is high in road test cost and a certain danger exists in the actual road test, can be solved.

The invention discloses a novel dehumidifying agent and a making method thereof. The dehumidifying agent is prepared from adsorbent of a porous structure and hydroscopic salt, wherein hole structures of the adsorbent are filled with the hydroscopic salt. The mass ratio of the hydroscopic salt to the adsorbent is (0.3-3):1. The dehumidifying agent has the advantages, such as high moisture adsorbing ability, high moisture adsorbing speed, large moisture adsorbing capacity and low separation temperature, of hydroscopic salt dehumidifying agents, and meanwhile like non-hygroscopic dehumidifying agents, the dehumidifying agent is free of hygroscopy and free of defects of hygroscopic dehumidifying agents.

The invention provides a driving assisting method, device and system and an automobile. The system comprises a driving assisting switch, a driving state monitor, a central processing unit, a controller and an alarm. The driving assisting switch triggers a start signal according to the input of a driver and sends the start signal to the central processing unit; the central processing unit sends a monitor signal to the driving state monitor according to the received start signal and sends an alarm instruction to the alarm and/or sends a control instruction to the controller when judging that driving alarm is needed according to the current driving state information fed back by the driving state monitor; the driving state monitor monitors the driving state according to the received monitor signal and sends the current driving state information obtained through monitoring to the central processing unit; the controller conducts corresponding controlling according to the received control instruction; the alarm gives a corresponding alarm according to the received alarm instruction. By means of the scheme, the driving safety is ensured, and traffic accidents are avoided.

The invention discloses a method for detecting and evaluating sound emission of a crane, comprising the following steps: arranging a sensor required by detecting sound emission at a detection portion of the crane; performing loading circulations on the crane to be detected twice, recording sound emission in the loading process, determining a source region of sound emission and determining the activity and the strength of a sound emission source; and evaluating integration levels of the sound emission source according to the activity and the strength of the source emission source to determine the dangerous degree of the sound emission source. By sound emission detection, the invention can perform integral non-destructive detection on the metal structure of the crane to obtain the dangerous degree of the sound emission source in the crane, evaluate the integrity of the crane structure and avoid dangers.

The invention discloses an electric soldering iron. The electric soldering iron comprises a casing, an electric heating head control mechanism and a springback mechanism, wherein the electric heating head control mechanism is formed by mutual contact of the inclined faces of two inclined blocks. Side movement of the two inclined blocks is achieved through pressing, so that an electric heating heat is pushed to extend out of the casing. Meanwhile, the electric heating head is recovered through a spring when the electric soldering iron is not used. The danger that a user accidentally touches the electric heating head at high temperature when welding work is not conducted is effectively avoided. Compared with a traditional electric soldering iron, the electric soldering iron has higher safety and remarkable technical advantages.

The invention discloses a gas sensitive element and a gas sensitive sensor for monitoring dangerous goods in public traffic safety, wherein the gas sensitive element comprises an insulating base and a non-metal dustproof cover, wherein the non-metal dustproof cover is internally provided with a heating element and a sensitive material piece which are respectively welded on the insulating base; a loop of the gas sensitive element is formed by the heating element, and another loop of the gas sensitive element is formed by connecting the sensitive material piece and a matched resistor in series; the sensitive material piece comprises a semiconductor oxide layer, and metal simple substance quantum dots or metal composite quantum dots are additionally arranged in the semiconductor oxide layer in a modifying or doping way; the gas sensitive sensor comprises a shell which is provided with an air inlet; the shell is internally provided with the gas sensitive element, a signal processor and a power module; the gas sensitive element is arranged at the air inlet; the shell is provided with a display device; an output end of the signal processor is connected with the display device.

The invention provides a radiating type power supply device with a touch sensor. The device comprises a device body (9), and an inserting head (6) which is inserted into an inserting hole in the device body (9); a locking and unlocking motor (91) is arranged in the device body (9); radiating fins (94) are lengthways arranged on the outer surface of the locking and unlocking motor (91) and used for absorbing and radiating heat produced by the locking and unlocking motor (91) in running so as to prevent the locking and unlocking motor (91) from being burnt out due to excessively high temperature in long-time operation; a rotor of the locking and unlocking motor (91) is in power connection with a screw rod (95); the screw rod (95) is in threaded fitting with a screw hole in a movable part (8) in the device body (9); a stator of the locking and unlocking motor (91) is fixedly connected with a power supply guide rod (74) which glidingly passes through a slide hole in the movable part (8), wherein the power supply guide rod (74) is glidingly matched with the slide hole.

The invention relates to an oil storage tank liquid level measuring and sampling apparatus for measuring a liquid level of a large oil tank storage tank and acquiring an oil sample in an oil storage tank. The upper part of the oil tank is provided with a sealing cover communicated with an oil tank via an oil tank inlet; a measuring sealing pipe and a sampling sealing pipe are connected with the lower end of the sealing cover; a sampling barrel elevating mechanism and a sampling barrel path-changing operating mechanism are assembled in the measuring sealing pipe; an upper oil measuring cable and an upper suspension rope are bonded to be connected with a sampling barrel and to pass through a spring; one core line of two-phase core lines on the upper end of the cable is connected to an oil surface probe of a floater and the other core line is connected with a water surface probe of the floater; a lower suspension rope works as a positive wire of a universal meter and is bonded with a lower oil measuring cable; the lower end of the lower oil measuring cable is respectively connected with an oil surface measuring insertion hole of a measuring rule mechanism and a water surface measuring insertion hole of the same; the lower end of the lower suspension rope is connected with a measuring intermediate insertion hole of a suspension rope bonding wire of the measuring rule mechanism; and the upper and lower suspension ropes and the upper and lower oil measuring cables are connected to finish measuring and sampling work.

An inkjet recording apparatus includes a carriage having a printing head and moving in a main scanning direction, an exterior cover, and a detection part configured to detect an opening or closing state of the exterior cover. The carriage is returned to a home position when opening of the exterior cover is detected.

The invention discloses a recyclable furan resin impregnation technology. The technology comprises dust removing and drying, vacuum pumping, impregnation, curing and cooling, vacuum pumping, impregnation, curing and cooling are performed repeatedly according to the technological steps, the vacuum pumping step refers to that a graphite electrode is subjected to vacuum pumping until the pressure is 0.08 Mpa and kept for 2 h, and during impregnation, the graphite electrode is subjected to vacuum pumping until the pressure is 0.6 Mpa and kept for 2 h; the curing step refers to that the graphite electrode is cured at the temperature of 160-180 DEG C for 1 h and then cooled to the normal temperature. According to the furan resin impregnation technology, an acid soaking technology is omitted, so that furan resin can be recycled, the production cost is reduced, and the enterprise benefit is increased.

The invention relates to a voltage transformation site overhaul device, and belongs to the technical field of electrical equipment. The voltage transformation site overhaul device comprises a base; afixed seat is installed on the base and internally provided with a front-back moving mechanism, and the front-back moving mechanism is connected with a slide seat; a safety seat and an overhaul box are installed on the slide seat, and the safety seat is connected with an up-down moving mechanism; the bottom of the base is connected with castors; and a translation mechanism is installed in the basand connected with brake pads matched with the castors. The voltage transformation site overhaul device has the advantages that front-back adjustment and up-down adjustment of the safety seat can be conducted so that the distance between an overhaul worker and to-be-overhauled equipment can be adjusted, in addition, the moving castors are provided with the brake pads, and the safety of the overhaul worker can be ensured while the overhaul efficiency is improved.

The invention relates to air-conditioners in the field of household appliances, and discloses a dust removal system of an air-conditioner outdoor unit. The dust removal system of the air-conditioner outdoor unit resolves the problems that a manual dust removal method in the traditional technology wastes labor power and is dangerous, and due to the fact a reverse rotation mode of an outdoor motor is adopted for dust removal, the service life of a fan is shortened, and the dust removal effect is poor. The dust removal system of the air-conditioner outdoor unit comprises a water discharge pipe and an externally connected pipe, wherein the water discharge pipe is connected with a water outlet of an indoor unit through a water inlet end and is used for discharging condensate water produced by heat exchange of the indoor unit, a water discharge structure is arranged at a water outlet end of the externally connected pipe, and the water discharge structure is located in a space between a top cover of the outdoor unit and the upper surface of a heat exchanger, is provided with water outlet holes, and is used for discharging water to the heat exchanger of the outdoor unit for dust removal. Besides, the invention further discloses a corresponding dust removal method which is suitable for dust removal of household air-conditioner outdoor units.

The invention belongs to the technical field of goods storage, and particularly relates to a multifunctional storage shelf. The multifunctional storage shelf comprises a fixed bottom plate, a motor and a containing frame; the upper surface of the fixed bottom plate is fixedly connected with a supporting plate; the surface of the supporting plate is rotationally connected with a rotating column; arotating plate is fixedly connected to the surface of the rotating column; the surface of the rotating plate is connected with a rotating chain; the rotating chain is connected with the containing frame; a power box is fixedly connected to the side face of the right side of the supporting plate; and a motor is fixedly connected to the rotating column at the lower position of the side surface of the left side in the power box. According to the multifunctional storage shelf, three-dimensional storage of goods is effectively achieved, the storage height position can be adjusted according to needs, in the placing or taking process, high-position material taking is not needed, the danger of high-position taking is avoided, meanwhile, workers can directly take materials from the interior of theshelf, sampling inspection of quality inspection personnel is facilitated, and when the shelf is applied to the interior of a supermarket, the great convenience can be brought to consumers to take commodities.

A system and method for converting an aircraft from a flight condition lying outside a permissible flight condition range to a flight condition lying within the permissible flight condition range, that can be assigned to a sensor system and a control device of the aircraft. The system includes a control override module for taking over or returning the control authority over the aircraft based on a control take-over signal and for feeding control set points if the control takeover signal is set; a maneuver selection module; a threshold value generator for calculating the flight range limit on the basis of measured variables of the sensor system; a decision module; a command generator that is functionally connected on the one hand to the decision module and the maneuver selection module and on the other hand to the control override module and, when the control takeover signal is set, calculates the control set points based on the maneuver information and transmits them to the control override module.