663results about How to "Avoid unexpected situations" patented technology

The invention discloses a system for remotely monitoring the surrounding condition of a vehicle and a method thereof. The system comprises a mobile terminal, a background service center, a TBOX control unit, a panoramic video-shooting control unit and a vehicle body control unit. The TBOX control unit, the panoramic video-shooting control unit and the vehicle body control unit communicate with each other via a CAN bus. The panoramic video-shooting control unit is also connected with the TBOX control unit via a USB data transmission line. The TBOX control unit communicates with the background service center via a wireless network. The background service center communicates with the mobile terminal via the wireless network. After the vehicle shuts down and powers off, the vehicle condition can be actively checked by a user remotely. When the unusual condition of the vehicle is monitored, the vehicle condition can be actively sent to the user.

A force measurement wheel set calibration test stand comprises a T-shaped stand base, portal systems and a transverse loading system. The force measurement wheel set calibration test stand is characterized in that perpendicular guide systems are installed on the portal systems and used for fixing a wheel set and achieving perpendicular loading; a bottom plate system is arranged at the position, below two portal top beams of the two portal systems, of the T-shaped stand base and used for adjusting track gauge, provides a platform for applying longitudinal force and transversely limiting the wheel set; a wheel set rotating indexing system is arranged at one end of the T-shaped stand base and used for achieving loading of any automatic rotating angle of the wheel set. According to the force measurement wheel set calibration test stand, perpendicular force and transverse force are independently loaded on the wheel set, and combined loading of loads in three directions can also be conducted on the wheel set; the force measurement wheel set calibration test stand has the wide track gauge calibration capacity, and meets the requirement for calibrating force measurement wheel sets of railway vehicles with the meter gauge, railway vehicles with the standard track gauge, railway vehicles with the wide gauge and other different railway vehicles; the force measurement wheel set calibration test stand has the capacity for adjusting lateral moving amount of wheel track contact points, and provides required perpendicular, transverse and longitudinal loads in a hydraulic loading mode.

The invention discloses a monitoring and alerting method and system based on child's sleep state. The method comprises the following steps: setting a monitoring area, using an image acquisition unit to obtain sleep images of an infant, and sending the sleep images obtained to a smart mobile terminal via radio or wireless communication; the smart mobile terminal converting the sleep images obtained to digital signals and conduct preprocessing on the digital signals; extracting body profile information of the infant from the sleep images, and analyzing and processing the body profile information, identifying the body of the infant and a quilt, and based on the relative positions of the body of the infant and the quilt, determining whether the infant has pushed the quilt. If the infant has pushed the quilt, an alarming alter is sent from the smart mobile terminal. According to the invention, the embodiments can send alert about the abnormity of the child's sleep state in time and prevent occurrence of incidents during child's sleeping.

The invention provides an electromagnetic radiation interference resisting method and device for an information link of an unmanned aerial vehicle. The electromagnetic radiation interference resistingmethod comprises the steps that unmanned aerial vehicle electromagnetic parameters and external electromagnetic radiation interference information are obtained, and a first parameter sensitive threshold, a second parameter sensitive threshold and a third parameter sensitive threshold are generated according to electromagnetic radiation sensitive information; an early warning signal is generated if the current interference signal intensity is greater than a first interference signal intensity threshold and less than a second interference signal intensity threshold; the unmanned aerial vehicleautomatically switches the channel if the current interference signal intensity is greater than the second interference signal intensity threshold and less than a third interference signal intensity threshold; and the unmanned aerial vehicle automatically executes a return instruction if the current interference signal intensity is greater than the third interference signal intensity threshold. According to the invention, the unmanned aerial vehicle can be avoided from being trapped in a strong electromagnetic interference area suddenly or having a sudden unexpected situation, the electromagnetic threat perception ability of the unmanned aerial vehicle is improved, the degree of influences imposed on unmanned aerial vehicle equipment by external continuous wave in-band electromagnetic radiation interference is reduced, and the intelligent development level of the equipment is improved.

The invention provides a travel information prompting method and a mobile terminal. The travel information prompting method comprises the steps of: acquiring historical behavior information of a current user; determining a travel destination according to the historical behavior information; and acquiring and outputting travel information associated with the travel destination. The travel information prompting method is used for determining the travel destination according to the historical behavior information of the user, and further outputting the travel information associated with the travel destination and used for prompting the user, is simple in operation, and omits the tedious operation of querying relates issues when the user travels, so that the user can travel in a more intelligent manner, and the timely prompt for the user can be realized, so as to avoid the user from encountering unexpected circumstances.

The invention discloses a method for determining the firmness degree of a pine tree by detection equipment. The measuring equipment consists of a radar, a soil compaction determinator and a control instrument, and the radar and the soil compaction determinator are connected to the control instrument. According to the method, the control instrument sends an instruction of discriminating the stability of the pine tree to a detection device, the radar in the measuring equipment detects the pine tree root distribution width, the vertical root depth, the pine tree height and the diameter of the pine tree trunk, the soil compaction determinator measures the soil compaction degree, the radar and the soil compaction determinator transmit the measured data to the control instrument, the control instrument is internally provided with operation control program for discriminating the pine tree safety performance, receives data, performs data analysis and processing, and outputs the determination result to a display screen of the controller. By determining the stability of the pine tree, tipping of the pine tree can be effectively prevented, also personal safety and property of people can be protected without loss, and accidents can be avoided.

The invention relates to the technical field of battery charge, in particular to a charging cabinet, a management system for the charging cabinet and a commercial application method thereof. The charging cabinet comprises a cabinet body which comprises a cabinet main body. A plurality of independent charging cabins are arranged in the cabinet main body for placing a rechargeable battery. A power supply management device and a plurality of charging devices in one to one correspondence to the charging cabin are arranged in the cabinet main body. Each charging device comprises a charging interface corresponding to the charging cabin. The power supply management device is used for managing the charging devices which are used for charging the rechargeable battery through the charging interface.The management system can be applied to the charging cabinet better. The commercial application method is achieved based on the charging cabinet. The invention can provide equipment for charging an existing electric mobile outdoors better.

The invention provides an opening method for a refrigerator door body and a refrigerator. The refrigerator is provided with a somatosensory detector and an ultrasonic sensor which face towards the front area of the refrigerator. The opening method for the refrigerator door body comprises the steps that the front area of the refrigerator is detected through the somatosensory detector to judge whether a user appears in an area away from the refrigerator by a first preset distance; after the user appears in the area away from the refrigerator by the first preset distance, the ultrasonic sensor is started to obtain an ultrasonic signal reflected by the user, the sensing range of the ultrasonic sensor is configured to be an area away from the refrigerator by a second preset distance, and the second preset distance is smaller than the first preset distance; and after the ultrasonic signal is obtained, a power-assisted switch assembly of the refrigerator door body enters a work preparing state. According to the scheme, the situation that the refrigerator door body is automatically opened due to accidental touch can be effectively avoided, and the user experience in using is improved.

The invention provides an oil field routing inspection fixed-point data acquisition system and method based on multiple unmanned aerial vehicles and relates to the technical field of oil field production. The method comprises the following steps: setting number m of unmanned aerial vehicles as well as task points and a task area in a well area needing to be subjected to routing inspection performed by each unmanned aerial vehicle, and performing routing inspection path planning by each unmanned aerial vehicle, thus obtaining an optimal path; performing fixed-point acquisition on distributed task points by all the unmanned aerial vehicles according to respective optimal paths; acquiring data and judging whether the data is valid data or not, acquiring the data again if the data is invalid,if the data is valid, after each unmanned aerial vehicle performs data acquisition on the task points, marking the task points and sharing the marked information to other unmanned aerial vehicles in collaborative operation, judging whether each unmanned aerial vehicle traverses all the set task points, if yes, marking the task points and sharing the marked information until all the unmanned aerialvehicles complete data acquisition on all the distributed task points, and if not, arriving at the next task point by each unmanned aerial vehicle for acquiring data. The system and method provided by the invention can improve oil field routing inspection efficiency and oil production security and management.

The present invention provides a retractable infrared image acquisition instrument. The retractable infrared image acquisition instrument comprises an image acquisition device, a retractable supporting device and a terminal fixing support; the image acquisition device is fixed at the top end of the retractable supporting device through a universal tube; the terminal fixing support is fixed to the lower end of the retractable supporting device through a universal joint; the image acquisition device includes a shell, a camera mounted within the shell, an LED light compensating lamp, an infrared emitter and an infrared receiver, wherein the LED light compensating lamp, the infrared emitter and the infrared receiver are mounted below the camera; the retractable supporting device comprises a retractable insulating rod and an insulating battery cabin; the top of the insulating battery cabin is connected with the bottom of the shell through the universal tube; the lower end of the retractable insulating rod is provided with a fixing ring; the fixing ring is provided with a fixing clamping position; and the terminal fixing support is fixed onto the fixing clamping position through the universal joint. The retractable infrared image acquisition instrument of the invention is convenient to carry and is simple to operate. With the retractable infrared image acquisition instrument of the invention adopted, power outage is not required, a user does not need to carry a heavy ladder and can read a meter and take pictures without climbing to a high place. According to the retractable infrared image acquisition instrument, data are transmitted wirelessly, so that work efficiency can be improved.

The invention relates to a multifunctional venous infusion apparatus, which comprises a multi-bottle automatic connection portion, an automatic exhausting and defoaming portion and an automatic alarming portion, wherein a headstand-free and automatic infusion stopping portion is arranged between the multi-bottle automatic connection portion and the automatic exhausting and defoaming portion additionally; the headstand-free and automatic infusion stopping portion comprises an observation window and a second biswitch float valve; a cavity of the second biswitch float valve communicates with the observation window; an air filter core and a valve switch are arranged at an outlet at top end of the second biswitch float valve, and the outlet at lower end of the second biswitch float valve is connected with a flow regulator; a biswitch float body is installed in the cavity of the second biswitch float valve; the upper end and the lower end of the biswitch float body are provided with one sealing piece, respectively; an inlet of the observation window is connected with the outlet of the biswitch float valve in the multi-bottle automatic connection portion. Through the adoption of the multifunctional venous infusion apparatus, the operation of nursing staff to invert the observation window of the infusion apparatus is cancelled; the air and bubble are automatically removed; multiple bottles of medicinal liquids are automatically connected; and the medicinal liquid is stopped to alarm after infusion. Therefore, the workload of the nursing staff is alleviated, and the working quality and efficiency are improved.

The invention discloses a cutting device for steel bar machining. The cutting device comprises a base. A workbench is fixedly connected to the center position of the top of the base. A fixing column is fixedly connected to the right side of the top of the base. A supporting plate is transversely and fixedly connected to the top of the left side of the fixing column. An electric telescopic rod is fixedly connected to the left side of the bottom of the supporting plate. A fixing base is fixedly connected to the bottom of the electric telescopic rod. A motor is arranged at the bottom of the leftside of the fixing base. Through cooperation of the workbench, the fixing column, the supporting plate, the electric telescopic rod, the fixing base, the motor, the rotation shaft, a cutting blade, anair suction pump, a communication pipe, a ventilation head, a connecting pipe and a collection box, iron scraps generated in the steel bar cutting process can be sucked in and collected, and the problem that a traditional cutting device does not have an iron scrap collecting function is solved; and a large number of iron scraps are prevented from being left after steel bar cutting, convenience isbrought to next cutting for users, and the cutting device is worthy of being used and popularized.

The invention discloses a parking lot management system with a parking guidance function, which includes a detection unit for collecting identification information of a vehicle to be entered and transmitting it to an identification unit; an identification unit for receiving the identification information and judging whether the vehicle corresponding to the identification information belongs to Fix the vehicle or temporary vehicle, and transmit the judgment information to the control unit; the entrance gate management unit is used to receive the information from the control unit and open the entrance; the navigation unit is used to receive the parking position information sent by the control unit, and guide the entering vehicle Park at the designated parking space; the parking space lock unit is used to collect the license plate information of the vehicle and transmit it to the control unit; the control unit receives and processes the judgment information, and sends a message to the entrance gate management unit to open the entrance; at the same time, the control unit allocates the corresponding parking space. In the parking lot, one vehicle corresponds to one parking space, which ensures the regular parking of vehicles in the parking lot; the navigation unit guides the location of the parking space to improve parking efficiency.

The invention discloses an intelligent wireless network sensor system possessing power supply management and belongs to the instrument and meter detection technology field. Wireless sensor nodes in the system comprise ground floor nodes, a routing node and a coordination node. The ground floor nodes are distributed on each monitoring point. According to a Zigbee protocol, the routing node and the coordination node are communicated with an upper computer so as to realize real-time control of a network. Each sensor node is formed by a base circuit, a core module, a function circuit and a power supply management module respectively. In the invention, based on a PIC single chip microcomputer, through using a mode of controlling on and off of a load power supply, about 70% average node power consumption is reduced; a dormancy mechanism is added in the nodes and on and off of a node load power supply are controlled in a fixed time mode; micromation, low power consumption, low cost and other characteristics are possessed; the nodes possess certain anti-interference performance and high robustness of adaptability; an expansion interface is reserved in the nodes and scalability is high.