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

The invention relates to an intelligent management and control system for hazardous chemical substances. The intelligent management and control system comprises a warehouse in-out management unit, a monitoring alarm unit and a management and control server, wherein the monitoring alarm unit comprises a warehouse monitoring alarm module arranged in a hazardous chemical substance warehouse and a monitoring room alarm module arranged in a monitoring room; the warehouse in-out management unit comprises an RFID electronic tag used for being configured on the hazardous chemical substances, and a read-writer matched with the RFID electronic tag; and the read-writer, the warehouse monitoring alarm module and the monitoring room alarm module are connected with the management and control server. Compared with the prior art, the intelligent management and control system can realize intelligent management of the hazardous chemical substances, and improve the management efficiency and the management reliability.

The invention discloses a wireless temperature monitoring inspecting system and method. A wireless temperature measuring card is used for measuring temperature of a switch cabinet and a transformer cabinet in a wireless mode. An RFID long-distance read-write device is used for reading equipment temperature information measured by the wireless temperature measuring card in a wireless mode. The information is processed preliminarily and then is sent to a wireless communication module. A wireless communication module in a production zone is used for transmitting data to a wireless communication module at a data server end and then transmitting the data to a data server, the data server displays the information on a monitoring image in a graphics mode, and a wireless radio frequency inspecting card is arranged at an inspecting point and is used for sending inspecting signals to a handheld inspecting PDA read-write device. According to an RFID wireless network, a 2.45 GHz high-frequency signal transmission is used, accurate information can be obtained, measuring points between control cabinets and in the same control cabinet can be separated, temperature parameter dynamic situations and real-time information in the control cabinets can be timely and accurately reflected to a monitoring computer system, alarming can be carried out timely, and potential safety hazards are reduced.

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 provides a safe driving early warning method based on a risk field, and the method mainly comprises three parts: a data collection module, a risk quantification module and a safety early warning module. Through various devices,environment information around a vehicle is collected, and position coordinates and speeds of the vehicle and surrounding vehicles in a period of time in the future are predicted based on the collected data; the risk to the vehicle caused by static traffic environment factors, dynamic traffic control information and moving objects at each moment in a period of time in the future is calculated by combining a risk field theory; according to the risk discrimination method provided by the invention, the risk is discriminated, so that the safety state of the vehicle in a period of time in the future is obtained; and corresponding safety early warning is given out to remind a driver to adjust the vehicle motion state in real time to avoid risks, so that the driving safety level is improved.

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 an excavator capable of achieving fine manipulation. The excavator comprises a rack and a cab. Power wheels are arranged under the rack. Caterpillar bands are arranged outside the power wheels. A pedal is arranged on the side face of the rack. The cab is arranged on the rack. An oil way is arranged beside the cab. A power device is arranged beside the oil way. A movable arm is arranged at the front end of the cab. A bucket rod is arranged at the front end of the movable arm. A bucket is arranged at the front end of the bucket rod. A connecting rod is arranged beside the bucket. A bucket oil cylinder is arranged behind the connecting rod. A bucket rod oil cylinder is arranged beside the movable arm. A movable arm oil cylinder is arranged on the movable arm. The excavator has the beneficial effects that a driver can see images in the visual blind area clearly through external cameras, fine manipulation is achieved, and occurrence of dangerous incidents is avoided in time.

The invention belongs to the technical field of electronics and provides a computer case with a storage box, a clock and a smoke alarm. The computer case comprises a computer case body, the storage box is fixed on the upper side of the computer case body through a screw, two grooves are formed in two lateral sides of the computer case body, the smoke alarm is inlaid in the left groove, and the clock is inlaid in the right groove. The computer case with the storage box, the clock and the smoke alarm solves the problem that a computer case in the prior art is not provided with the storage box, the clock and the smoke alarm, and has the advantages that a space of the computer case body is fully made use of, sundries storage and time display can be achieved, and the computer case can prevent risk event occurrence by reminding a user by the smoke alarm in case of smoke, so that indoor safety is enhanced.

The invention provides a riding safety control method and device, a model training method and device, equipment and a medium, and relates to the technical field of data processing, and the riding safety control method comprises the steps: obtaining historical service feature information of a to-be-recognized service provider, wherein the historical service feature information comprises attribute information of a to-be-identified service provider and service information of the to-be-identified service provider; according to the historical service feature information of the to-be-identified service provider, determining a risk level of the to-be-identified service provider by adopting a pre-trained risk prediction model; if the risk level is higher than the preset level, monitoring the service of the to-be-identified service provider. By monitoring the service of the service provider with the high risk level obtained through model prediction in real time and pushing the preset educationmaterials in advance, dangerous events can be effectively prevented, the safety of the service requester is guaranteed, and the service experience is improved.

The invention discloses an operation event pushing method based on Redis, which comprises the steps of obtaining configuration data of an operation event, the configuration data comprising a device corresponding to the operation event and a device ID number; judging whether the operation event is a sensitive operation event or not; if so, acquiring all historical operation events generated by theequipment corresponding to the equipment ID number; identifying the risk level of the operation event according to all historical operation events; judging whether the risk level corresponding to theoperation event reaches a preset risk level or not; and if so, storing the operation event and the risk level corresponding to the operation event, and intercepting the operation event to prevent theoperation event from being pushed to the Redis database. Through the mode, the operation event pushing method disclosed by the invention can perform risk assessment on the operation event pushed to the Redis database to intercept the operation event with a high risk level, so that dangerous events can be effectively avoided, and information security and property security in the Internet are effectively ensured.

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.