18results about How to "Operational safety" patented technology

The invention discloses a traction transmission system fault diagnosis and health prediction system and method, and relates to the technical field of railway tracks, and the system comprises a data collection system, a track-vehicle system model, a traction transmission system model, and a Sichuan-Tibetan line train running gear instability evaluation algorithm. According to the traction transmission system fault diagnosis and health prediction system and the method thereof, a track-vehicle system model is established based on acquired Sichuan and Tibet railway and vehicle parameters, a traction transmission system model is further constructed, a real-time track-vehicle relationship is simulated with the assistance of multi-physical field coupling, and the fault diagnosis and health prediction of the traction transmission system are realized. The model effect is enhanced from five dimensions of a physical entity, a virtual entity, twinborn data, a connection rule and application service, so that a five-dimensional model which is more practical is obtained, the risk condition when a vehicle enters a next road section is calculated in advance by utilizing an instability judgment algorithm, multi-modal, multi-parameter and multi-disciplinary information is fused, and the reliability of the vehicle is improved. And powerful guarantee is provided for safe and efficient operation of Sichuan and Tibet railways by utilizing advanced technical means.

The invention relates to the technical field of chemical industry park management, and provides a chemical industry park intelligent management method and system, and the method comprises the steps: constructing a risk assessment model; acquiring real-time data in the chemical industry park from a plurality of data sources in real time; performing multi-source fusion processing on the data set to obtain a fused data set; based on the fused data set, real-time risk assessment is carried out through a risk assessment model, and a management decision is made; instructions are sent to related personnel and corresponding devices through the information transmission device, and corresponding tasks are completed. A risk assessment model is constructed by integrating a plurality of data sources, and multi-source fusion processing is performed based on real-time and historical data, so that comprehensive and real-time risk assessment and management decision of a chemical industry park are realized, and the problem that an existing intelligent chemical industry park management system is lack of a comprehensive intelligent management method is solved. And the management requirements of the chemical industry park are difficult to comprehensively meet.

The embodiment of the invention provides an electrical cabinet fault assessment method and device, electronic equipment and a storage medium. The method comprises the following steps: acquiring a state image of the electrical cabinet; the state image of the electrical cabinet comprises temperature rise information, position information and device information of the to-be-tested electrical device; the device information comprises at least one of the following information: the name of the to-be-tested electric device, the model of the to-be-tested electric device, the category of the to-be-tested electric device and the identification code of the to-be-tested electric device; performing image segmentation on the state image of the electrical cabinet to obtain an image of a target area of the to-be-detected electrical device; wherein the target area comprises at least one of a wire inlet point area, a device front area and a wire outlet point area; fitting based on the image of the target area of the to-be-tested electric device to obtain a temperature rise curve of the target area of the to-be-tested electric device; and according to the temperature rise curve of the target area of the to-be-tested electric device and a fault assessment condition corresponding to the type of the to-be-tested electric device, performing fault assessment on the target area of the to-be-tested electric device to obtain an assessment result.

The invention discloses an air monitoring device for air pollution abatement and a using method thereof, and relates to the technical field of air monitoring devices.The air monitoring device comprises an equipment frame, a storage frame fixedly penetrates through the surface of the equipment frame, and a protection plate is slidably mounted above the equipment frame; a solar panel is fixedly mounted above the protection plate, a servo motor is fixedly mounted on the inner wall of the equipment frame, a signal receiver is fixedly mounted at the top of the inner wall of the equipment frame, and the protection device comprises a transmission shaft, a sliding block, a lifting plate, a monitoring mechanism, a connecting rod, a U-shaped plate and a connecting rod. According to the air monitoring device, the situation that the monitoring mechanism is collided due to misoperation in the equipment transportation process can be avoided, meanwhile, the monitoring mechanism can be stored in time in the severe environment, the situation that the monitoring mechanism is damaged under the action of external force in the severe environment is avoided, and unnecessary loss and subsequent maintenance cost are reduced.

The present invention relates to a subway operation fault emergency linkage interaction method, device, equipment and medium, the method comprising: S1, obtaining a subway operation emergency linkage subject; S2, obtaining subway operation fault operation and maintenance information; S3, obtaining two directly affected objects in the subway operation fault, namely, passengers P in the car and subway equipment D, and mapping the passengers P in the car and subway equipment D to an emergency service demand area Sq, decomposing the required service functions according to each independent demand and collecting them into an emergency service demand pool Sp; S4, functionally decomposing the emergency linkage subject, obtaining each service set so that can provide services, obtaining the weight Won of each service demanded by passengers in the car, subway equipment and linkage objects, and the weight Wo of the service provider. Compared with the prior art, the present invention has the advantages of being able to effectively realize cross-professional and cross-departmental collaborative communication, while ensuring the independence within the profession and within the department.

The invention discloses a heterogeneous environment prediction model training and deployment method and system, and relates to the field of prediction model training. In order to overcome the defects that an existing model training and deployment method is large in development difficulty, low in deployment efficiency and lack of unified management of multiple versions, an integrated development environment and an integrated development framework are used, and multiple pre-training models and operators are built in; carrying out data preprocessing and exclusive model building, obtaining training data to carry out model training, and generating a training model; all training models are arranged in a model center for unified management; aPI service development is carried out, a unified model algorithm reasoning framework is adopted, self-defined service development is carried out, and self-defined AI service is generated; the AI service is audited and published to be online, and the online AI service is used by an external application; based on distributed task scheduling and service arrangement, AI services are scheduled and run on a service running platform. The method is mainly used for establishing the prediction model for the heterogeneous environment.

The utility model discloses a wharf portal truck identification system, include: set up on the safety island of each wharf portal both sides low frequency activator and camera device, set up on each wharf portal top microwave active RFID read-write ware, set up in control room host computer, low frequency activator activates the microwave active label of truck license plate built -in, makes it to empty send data packet, microwave active RFID read-write ware receives data packet, camera device gathers image data, host computer receives data packet, truck's image data, carries out comprehensive analysis, identifies truck information, the portal that truck went in and truck advancing direction to, and verifies truck information, the utility model provides a wharf portal truck identification system, has combined RFID transmission technology, low frequency activation technology and image recognition technology, carries out accurate identification and check to the container truck information and the direction of passage of wharf portal, can promote the efficiency of portal traffic, ensures the effective supervision of port wharf to truck vehicle.

The invention discloses an air monitoring device for air pollution control and a method for using the same, and relates to the technical field of air monitoring devices. The air monitoring device comprises an equipment frame, a storage frame is fixedly penetrated through the surface of the equipment frame, a protective plate is slidably installed on the upper part of the equipment frame, a solar panel is fixedly installed on the upper part of the protective plate, a servo motor is fixedly installed on the inner wall of the equipment frame, a signal receiver is fixedly installed on the top of the inner wall of the equipment frame, and further comprises: a protective device, wherein the protective device comprises a transmission shaft, a sliding block, a lifting plate, a monitoring mechanism, a connecting rod, a U-shaped plate and a connecting rod. The air monitoring device can avoid collisions with the monitoring mechanism due to operational errors during equipment transportation, and can store the monitoring mechanism in time when facing harsh environments, so as to avoid damage to the monitoring mechanism under the action of external forces in harsh environments, thereby reducing unnecessary losses and subsequent maintenance costs.

The invention discloses a face recognition access control system device based on intelligent digital registration, and relates to the technical field of information security, the face recognition access control system device comprises a personnel recognition unit, a personnel release unit and a background service unit; the personnel identification unit comprises a binocular camera, a face identification module, a feature extraction module, a data analysis module and a communication module; the binocular camera is in one-way connection with the face recognition module; the face recognition module is in one-way connection with the feature extraction module; the feature extraction module is in one-way connection with the data analysis module; the data analysis module is in one-way connection with the communication module; according to the system, the binocular camera is used for human face recognition, the position and angle of the human face can be accurately recognized under various light conditions and complex backgrounds through the stereoscopic vision principle, compared with a monocular camera, the binocular camera has higher adaptability and stability, and the safety and recognition accuracy of the system are greatly improved.

The utility model relates to the technical field of air compressors, in particular to energy-saving heat dissipation equipment which comprises a machine body, a shell capable of being used for protection is assembled on the surface of the top end of the machine body, a base plate capable of being used for supporting is assembled on the surface of the top end of the shell through bolts, and a ratchet wheel body capable of being used for adjustment is assembled on the top of the base plate. A lug plate seat for supporting is assembled on the surface of the top end of the ratchet body through a bolt; when the air compressor is used, the shell at the top of the machine body can protect corresponding structural components conveniently, the structural components can operate more safely, then the fan on the inner side of the middle ring base at the opening end of the outer side of the shell can operate, and heat generated when the structural components on the inner side of the machine body operate can be extracted conveniently through operation of the fan; heat can be rapidly discharged from the inner side of the shell, fresh air conveniently enters from the opening end on the other side, air flowing is improved, the heat dissipation effect of the machine body is improved, meanwhile, solar energy is converted into electric energy through the photovoltaic panel, and energy consumption is conveniently reduced.

The utility model relates to the technical field of Beidou communication mobile phone accessories, in particular to a low-cost Beidou communication mobile phone accessory, which comprises a chip main body, a plurality of groups of clamping grooves used for connection are arranged on the peripheral surface of the chip main body, clamping blocks used for connection are mounted on the inner sides of the clamping grooves in a clamping manner, and the chip main body and the clamping blocks are connected through the chip main body. A shell cover located on the periphery of the chip body is integrally formed on the surfaces of the top ends of the multiple sets of clamping blocks. When the Beidou communication mobile phone accessory is used, the shell cover can be connected with the clamping groove in the periphery of the chip body in a clamped mode through the clamping block, the shell cover can be conveniently installed on the periphery of the chip body, the shell cover can protect structural components on the surface of the chip body, meanwhile, the shell cover is integrally formed in a die-casting mode, the structure is simple, and the cost is low. The chip is convenient to install and low in cost, so that structural components on the surface of the chip main body can operate more safely.

A method for manufacturing a spectacle lens having a water-absorbent antifogging layer, the method including an application step of applying an antifogging layer composition on a substrate to form a coating film, the application step including: a first application step of applying an antifogging layer coating composition onto a substrate to form a coating film (x); and a second application step of applying an antifogging layer coating composition onto the coating film (x) to form a coating film (y).

The utility model discloses a net cage suction pile assembly and an aquaculture net cage, and relates to the technical field of deep sea net cage aquaculture, the net cage suction pile assembly comprises a stand column, a suction pile box and a suction device; the suction pile box is arranged at the lower end of the column; a ballast chamber is arranged in the suction pile box; the suction device is arranged on the suction pile box and communicates with the ballast chamber; the suction device is used for sucking external water into the ballast chamber, and the suction device is used for discharging the water in the ballast chamber to the outside. According to the net cage suction pile column assembly, a cultivation net cage platform buoyancy tank and an anchor pile are integrated, conventional positioning anchoring systems such as an anchor chain and a holding power anchor are omitted, and floating and sinking of a net cage are achieved through drainage; according to the net cage positioning anchoring system, the friction area between the net cage positioning anchoring system and a seabed soil body is increased through the design of the reinforcing meshing ribs, so that the bottom-sitting friction force is increased, the net cage anchoring stability is guaranteed under the working condition, and the problems that the net cage positioning anchoring system is high in construction cost and poor in bottom-sitting stability are solved.

The invention provides a tunnel structure waterproof and drainage process for railway engineering, and relates to the technical field of tunnel structure waterproof and drainage. A tunnel structure waterproof and drainage process for railway engineering comprises preparation before construction, a water diversion and drainage construction process before primary support, a main tunnel lining waterproof and drainage construction process and construction quality inspection and control. From drainage before primary support to arrangement of a waterproof layer of a main tunnel lining and waterproof treatment of special parts such as construction joints, an all-directional and multi-layer waterproof system is constructed, an underground water leakage path is effectively blocked, the waterproof reliability of a tunnel structure is greatly improved, a perfect drainage network is formed, and the construction period is shortened. It is ensured that underground water can be timely and efficiently drained out of the tunnel, accumulated water is prevented from damaging the structure, drainage smoothness is powerfully guaranteed, the erosion effect of the underground water on tunnel lining concrete and reinforcing steel bars is effectively reduced, the structure degradation speed is slowed down, and the durability of the structure is greatly improved.

The invention discloses a cold region airport rigid runway structure airworthiness performance prediction method. The method comprises the steps that the actual freezing depth of field channel soil is obtained; calculating the theoretical freezing depth of the field channel soil body according to the actually measured data; calculating the effective thickness of the airport pavement slab in the cold region; checking a standard load effect; calculating a working condition coefficient; calculating the deformation of the pavement slab under the load effect of the designed airplane; detecting the actual deformation of the cold region airfield runway pavement slab; calculating the airworthiness performance coefficient of the pavement structure; sending a pavement structure performance alarm signal to a user; and outputting a pavement airworthiness performance prediction report. According to the method, the specific climate conditions of the cold region and the actual response of the runway structure are comprehensively considered, the deformation of the runway structure is predicted in a mode of combining measured data and theoretical calculation, the airworthiness performance of the runway structure is evaluated accordingly, a customized prediction report can be provided according to user requirements, a scientific decision basis is provided for airport managers, and the economic benefit is improved. And the monitoring efficiency and the early warning accuracy of the airfield pavement deformation in the cold region are improved.

The present invention discloses a vaccine cold chain distribution method and system based on big data analysis, which relates to the technical field of big data analysis, including integrating information resources of vaccine cold chain, screening and verifying, constructing a multi-objective optimization model, predicting cost, time and carbon emissions, formulating a multi-modal transport plan based on the prediction results, finding the shortest route, and designing a logistics relay plan. During distribution, once an emergency occurs, an alternative route is generated until the distribution is completed. By integrating and verifying vaccine cold chain information, data accuracy is improved, the multi-objective optimization model balances cost, time and environmental factors, and promotes the refined greening of distribution strategies. Multi-modal transport supported by GIS and algorithms ensures efficient management of paths and temperature control, accelerates logistics response, and the emergency alternative route mechanism ensures supply chain resilience, jointly promoting the vaccine supply chain to be efficient, economical, green, and have strong emergency response capabilities, and ensuring that vaccines are distributed safely, quickly and environmentally friendly.

The invention provides a roof photovoltaic adaptive grid-connected control device. The roof photovoltaic adaptive grid-connected control device provided by the invention comprises a voltage acquisition module, a current acquisition module, a resetting and monitoring module, a signal conditioning module, a single-chip microcomputer module, a 4G / 5G communication module, an isolation and driving module and a grid-connected execution module. The invention also provides a roof photovoltaic adaptive grid-connected control method. According to the roof photovoltaic adaptive grid-connected control device and the control method thereof provided by the invention, the amplitude of an overvoltage grid-connected constant value Ugb can be automatically changed online according to the real-time states of roof photovoltaic and power grid voltage, so that the magnitude of delta Ug is adjusted and optimized, the roof photovoltaic and power grid adaptive effective matching is realized, the roof photovoltaic is prevented from generating grid-connected / off-grid oscillation, and the system reliability is improved. And grid connection can be recovered in time during off-grid, the power generation effect achieves the effects of preferential line grabbing and complete power generation, roof photovoltaic safe and reliable operation is ensured, and the power generation income is increased.

The present invention relates to the technical field of engine parts, and in particular to a sensor high-temperature radiation protection device, including a heat shield, the heat shield is constructed as a sheet metal structure, the heat shield includes an upwardly protruding temperature sensor compartment and a mounting plate connected below the temperature sensor compartment, the temperature sensor is arranged in the temperature sensor compartment, the mounting plate is provided with a first through hole, the sensor mounting seat is provided with a second through hole, and the first through hole and the second through hole match. The problem caused by the exhaust pipe envelope insulation method in the existing structure is solved, by installing a heat shield on the sensor toward the exhaust pipe, efficient and low-cost sensor high-temperature radiation protection is achieved, the heat energy of the exhaust pipe is prevented from radiating to the sensor, the temperature around the sensor is ensured to be within the normal use temperature, and the safe and reliable operation of the sensor is ensured.