37results about How to "Avoid dangerous events" patented technology

The invention belongs to the technical field of monitoring systems, and particularly relates to a distributed network visual monitoring system. A frame difference image processing module is used for performing image foreground segmentation on an image picked up by a monitoring terminal, forming a foreground image, performing inter-frame RGB spatial similarity processing and inter-frame foreground pixel area difference processing on the foreground image, forming frame difference image processing data by statistical data of inter-frame RGB spatial similarity and statistical data of foreground pixel area difference data, and analyzing and processing the frame difference image processing data and a frame difference image threshold to form a motion target detection result. Through adoption of the distributed network visual monitoring system, the key problem of how to enhance the real-time performance of an embedded visual system while ensuring the recognition and tracking efficiency in the prior art is solved. The distributed network visual monitoring system has the beneficial technical effects of enhancing the capability of video monitoring on the aspects of finding abnormal behaviors in real time and transmitting alarm information immediately, greatly lowering the labor cost, generating good economical and social benefits, and increasing the efficiency of security and protection monitoring.

A method and server for hazard prediction are disclosed in embodiment of the present application, wherein, the method includes: obtaining monitoring data associate with a target user, wherein the monitoring data is used to characterize the health status of the target user or the security status of the surrounding environment of the target user, determining at least one target hazard information associated with the target user based on the monitoring data, comparing the target hazard information with the standard hazard information to determine the hazard coefficient and weight value corresponding to the target hazard information, according to the hazard coefficient and weight value corresponding to the target hazard information, determining the hazard coefficient of the target user. The technical proposal provided by the application can realize the prediction of the hazard coefficient of the surroundings of the user, so that the user prepares in advance according to the feedback hazardcoefficient, thereby avoiding the occurrence of a hazardous event, or avoiding being injured by the hazardous event that has already occurred.

The invention provides a control method and a control system for intelligent home equipment. The method comprises the following steps: acquiring video data of a region where the intelligent home equipment is placed; extracting image characteristics from the acquired video data; matching the extracted image characteristics with preset image characteristics, wherein the preset image characteristics correspond to user action characteristics one to one; when the extracted image characteristics are matched with the preset image characteristics, determining a current user action characteristic, transmitting a first control instruction to the intelligent home equipment to control the intelligent home equipment to be switched to a working mode corresponding to the current user action characteristic. Therefore, when the current user action characteristic is determined by acquiring the video data of the region where the intelligent home equipment is placed, the control method transmits the first control instruction to the intelligent home equipment in the first time, so as to control the intelligent home equipment to be switched to the working mode corresponding to the current user action characteristic for operation in time, so that a dangerous event caused by manual operation or unexpected operation is prevented.

The invention relates to a manufacturing industry field process abnormal behavior detection method, which is mainly used for researching a detection method based on a behavior characteristic knowledgebase for manufacturing industry field process abnormal behavior detection, and is used for constructing a random forest abnormal detection model based on a random forest algorithm. According to the specific implementation method, PCA method dimension reduction is carried out on process data of an industrial field, feature selection is carried out by adopting an integrated rule tree model, and theprocess data is classified by adopting a random forest algorithm. Each path of the random forest corresponds to one rule, good interpretability is achieved, the classification accuracy is greatly improved, a large number of input variables can be processed, and even if process data contains missing values, the classification result can still reach high accuracy. A behavior characteristic knowledge base and a real-time emergency decision-making framework of an unknown behavior scene are fused, and abnormal behaviors are early warned in advance by predicting behavior detection of industrial field process data.

The embodiment of the invention discloses a swimming safety monitoring method which is applied to a wearable device. The method comprises: detecting whether a user' head is located in the water or not, and determining a first detection result; detecting the user's head posture, and determining a second detection result; generating early warning information according to the first detection result and the second detection result; and outputting the early warning information. The embodiment of the invention further discloses a swimming safety monitoring device.

The invention relates to a shaftless pneumatic clamping wire taking-up and arranging mechanism and can solve the technical problems of great possibility of generating vibration and low working efficiency in the prior art. The shaftless pneumatic clamping wire taking-up and arranging mechanism comprises a moving unit and a rotating unit; the moving unit comprises a wire arranging screw horizontallyarranged, a screw supporting seat and a base; a linear guide rail I is arranged on the base; a moving plate is arranged in parallel above the wire arranging screw; the moving plate is fixedly connected with the wire arranging screw; the moving plate is movably connected with the linear guide rail I; the rotating unit comprises a take-up and pay-off bearing seat; the take-up and pay-off bearing seat is fixed on the moving plate; the take-up and pay-off bearing seat is mounted on an active bearing seat bracket; a take-up and pay-off driving plate is fixed on a driving shaft; an optical fiber disk is arranged on the driving shaft; a cylinder shaft of a clamping cylinder is connected with a clamping bearing seat bracket; a clamping bearing seat is fixedly arranged on the clamping bearing seatbracket; a clamping conical shaft is arranged on the clamping bearing seat; the moving plate is also provided with a linear guide rail II; the clamping bearing seat bracket is fixed on the linear guide rail II. The shaftless pneumatic clamping wire taking-up and arranging mechanism has a good damping effect and high working efficiency.

The invention discloses a bolt-type gun lock with simple and practical structure, which comprises an outer shell and an inner plate. The outer shell is provided with several counterbores, and the inner plate is provided with several threaded holes corresponding to the counterbores on the outer shell. , the inner panel includes a closing system and an opening system, the closing system includes a push rod. Stress mechanism, the stress mechanism of the telescopic rod includes an end face in the shape of a bevel, and the end is provided with a convex ring, the outer diameter of the telescopic rod is covered with a telescopic rod elastic object, and the other end of the telescopic rod is connected to an emergency slide block, and the emergency slider is placed in the square hole of the inner panel. The opening system includes a motor, the motor is connected with a cam, the cam is in contact with the emergency slider, and the circuit board is connected with a control device. The device is simple in structure, easy to operate, and avoids frequent failures. The safety of the gun lock provides a reliable guarantee.

The invention provides an inverter malfunction stop system. In a past railway accident, a malfunctioning logic unit of an inverter could not receive acceleration commands, according to which the logic unit maintained the previously received acceleration command and the inverter maintained acceleration while the train is attempting to decelerate, which lead to an accident since it was impossible to obtain the desired deceleration. In order to overcome this problem, the reliability of the inverter logic unit must be improved. The present invention provides an inverter monitoring apparatus independently from an inverter, and when malfunction of the inverter is detected, a high-speed circuit breaker or the like is activated to disconnect a main circuit and the operation of the inverter is stopped forcibly, or a logic unit of the inverter is reset, for example, so as to prevent dangers caused by the malfunction of the inverter.

The invention discloses a power distribution cabinet temperature monitoring device for a factory. The device comprises a plurality of wireless temperature measurement cards arranged in a power distribution switch cabinet. The wireless temperature measurement cards are connected with a wireless reader-writer in a wireless data transmission mode, the wireless reader-writer is connected with a wireless communicator, the wireless communicator is connected with a server-side wireless communication module of a data server, and the data server is connected with a terminal management user microcomputer through a local area network. The server-side wireless communication module is in data connection with a mobile phone through an integrated short message sending device. The device can timely and accurately reflect dynamic conditions and real-time information of temperature parameters in a switch cabinet to a terminal management user microcomputer; for example, when the temperature of the powersupply cabinet exceeds a normal value, the system timely gives an alarm and notifies related personnel through sound, light emission, short messages and the like, so that dangerous events can be timely handled, and the occurrence of the dangerous events is avoided.