21 results about "Occupational hygiene" patented technology

The invention relates to the technical field of occupational health safety monitoring and artificial intelligence data processing, in particular to an occupational health comprehensive risk management evaluation system based on reinforcement learning, which comprises a multi-source data acquisition step: acquiring multi-source heterogeneous monitoring data of a target operation scene; an ideal benchmark construction and simulation step: constructing an ideal benchmark model based on a standard operation program, and generating a virtual risk simulation data vector by using a reinforcement learning agent; a double-track difference calculation step: respectively calculating a real residual feature vector and a theoretical residual feature vector based on the ideal reference model; a similarity analysis and optimization step: performing feature space similarity analysis on the two to generate a risk assessment result and a strategy update reward signal; the problem that cumulative occupational hazards and transient environment fluctuation are difficult to distinguish is solved, and generalization ability and risk identification precision in a complex industrial environment are improved.

The invention discloses an occupational health working post distributed online monitoring method, device and equipment and a medium, and the method comprises the steps: collecting the pollutant concentration of a working post through a sensor disposed at each working post of a working place, and obtaining original monitoring data; a plurality of positioning beacons deployed in a working place are used for continuously transmitting self position signals; receiving the position signal by using the sensor, and determining coordinate information of the sensor in the working place based on the position signal and the relative position information of the sensor; and on the basis of the coordinate information of the sensor, the original monitoring data, the working post position information and the contact duration of each worker at the corresponding working post, acquiring occupational health contact index data of each worker at the corresponding working post. According to the invention, the sensors are deployed at the working posts of the workplace, and the positioning beacons and the coordinate resolving mechanism are combined, so that the occupational health monitoring data is associated with the specific working posts and the workers.

The utility model discloses a noise field detection device with a peripheral structure convenient to disassemble, which comprises a noise sampler, a filtering mechanism is arranged on the surface of the noise sampler, two positioning mechanisms are arranged on the surface of the filtering mechanism, and the two positioning mechanisms are symmetrically distributed on the two sides of the filtering mechanism. A clamping mechanism is arranged on the side, away from the filtering mechanism, of the noise sampler, a positioning rod, a second spring and a connecting block are arranged, the connecting block is inserted into a protection plate, the protection plate and a mounting plate are connected, then the positioning rod is supported by the second spring, and then the connecting block is supported by the positioning rod; when the protection plate needs to be disassembled, the positioning rod is pressed to enter the connecting block, and then the protection plate is pulled to separate the connecting block from the interior of the protection plate, so that the disassembly of the protection plate can be completed, and the problem that the shielding protection plate of the existing noise field detection equipment for occupational health cannot be quickly disassembled is solved; and the practicability is improved.

The invention provides a method for simultaneously detecting dichloroacetic acid and trichloroacetic acid in urine, and belongs to the technical field of analysis detection and occupational health / environmental health. According to the method disclosed by the invention, a synergistic pretreatment strategy of acidic sample loading, WAX / reversed-phase mixed mode solid-phase extraction, water / low-proportion organic phase step-by-step leaching and ammonia-water-containing organic phase elution is adopted; a technical route of protein precipitation, acidification pH regulation, purification and enrichment by adopting WAX / reversed-phase mixed mode solid-phase extraction on a 96-well plate and stable isotope internal standard isotope dilution LC-MS / MS quantification is adopted, the method can effectively reduce the matrix effect and realize high-throughput analysis in a high-salinity urine matrix, the quantitation limits of DCEA and TCAA are not higher than 0.30 g / L and 0.20 g / L respectively, and the method has the advantages that the method is simple and convenient to operate, and the method is suitable for large-scale popularization and application. The method is suitable for biological monitoring and risk assessment of occupational and environmental low-level exposure crowds.

The application belongs to the technical field of air detection, and discloses a kind of for factory air occupational health and environmental detection device, including shell, the front and rear ends in the shell are all fixedly connected with motor, the output of motor is fixedly connected with rotating rod, the left and right sides of rotating rod are all wound with pull rope, and the top of pull rope is fixedly connected with limit rod.The device is convenient for cleaning by cooperation of wiping block, cleaning box, water guide pipe, fixed plate, first spring, first limit plate and other structures, the connecting rod on one side is moved downward by movable rod, so that the wiping block can slide towards the water injection assembly, the second connecting plate can be moved downward by the connecting rod, the second water baffle is driven downward by the second connecting plate, and the wiping block can be wetted by the water through the water-permeable hole of water guide pipe, the connecting rod is moved upward by limit rod, so that the air guide plate is rotated reversely, and the dust on the surface of air guide plate can be wiped clean by the sponge layer of wiping block.

The utility model relates to a silencer device for pumping pump, including the silencer cylinder, the silencer cylinder bottom side is equipped with the air inlet, the silencer cylinder bottom is equipped with the gas outlet, the silencer cylinder inside is equipped with the several layers of baffle that divide the silencer cylinder inside space into multilayer chamber in height direction, the baffle one side region is provided with a plurality of through -holes, and the through -hole area position of upper and lower two layers of baffle is staggered. The utility model relates to a silencer device for pumping pump novel structure, reasonable in design, the baffle of inside staggered setting is used, and the noise is weakened, offset in the chamber while the gas is rapidly discharged, and the sound attenuation effect is good, improves the working environment, improves environmental comfort, is helpful to the physical and mental health of staff, reduces the occupational health risk, also reduces the security, quality risk caused by inconvenient communication simultaneously.

The invention provides a health monitoring method. The method comprises the following steps: acquiring original occupational health monitoring data in an Excel format from multiple channels; analyzing the original occupational health monitoring data in the Excel format, and identifying a fixed column and a dynamic column in the original occupational health monitoring data; storing the fixed column into a main table database, and storing the dynamic column into a sub-table database; and in response to a user request, integrating data in the main table database and the sub-table database to generate a visual report. According to the method, the original occupational health monitoring data in the Excel format is obtained from multiple channels and analyzed, the fixed column and the dynamic column are stored in the main table database and the sub-table database respectively, finally, the data are integrated according to the user request to generate the visual report, and efficient processing and storage of the health monitoring data are achieved. According to the mode, the tedious process that an Excel table is manually input and special statistical software is imported for analysis traditionally is avoided, and the operation efficiency is greatly improved.

The utility model relates to the technical field of occupational health detection, and discloses a stable glass plate liquid adding device for occupational health detection, which comprises an adjusting plate, a first adjusting groove is formed in the adjusting plate, a driving motor is fixedly mounted in the first adjusting groove, a threaded rod is fixedly mounted at the transmission end of the right end of the driving motor, and a threaded rod is fixedly mounted at the transmission end of the right end of the threaded rod. A first thread is arranged on the left side of the threaded rod, and a first sliding block is movably installed at the outer end of the first thread. According to the stable glass plate liquid adding device for occupational health detection, a threaded rod is driven by a driving motor to rotate, so that a first sliding block and a second sliding block are gathered together or separated, the first sliding block is fixedly connected with a first fixing frame, the second sliding block is fixedly connected with a second fixing frame, and a first fixing plate and a first rubber cushion are pushed downwards through a first electric cylinder; and a second electric cylinder pushes a second fixing plate and a second rubber cushion to move downwards, so that glass plates with different sizes can be fixed, and the practicability of the device is improved.

The invention discloses an occupational health detection method and system for mine workers, and particularly relates to the technical field of occupational health detection. According to the method, environmental hazard factor continuous monitoring data and physiological index continuous monitoring data of corresponding operation time periods of mine workers are collected, an environmental hazard factor sudden increase interval and a physiological index abnormal fluctuation interval are divided, a time sequence overlapping relation is extracted, and exposure response correlation fragments are constructed; calculating an environmental hazard factor change slope and a physiological index recovery time difference, constructing an individual load coupling unit, distinguishing an instant load state and a cumulative load state, and generating an individual dynamic risk table set; identifying a risk upgrading condition based on a preset occupational health judgment rule and generating an individual risk early warning result; backtracking the individual exposure response sequence, updating the key monitoring section of the subsequent detection period, and forming an occupational health detection result; according to the invention, individual and dynamic occupational health risk assessment and early warning of mine workers are realized.

The utility model discloses a gas chromatograph for acid gas analysis. The gas chromatograph comprises a sample introduction system, a separation system and a thermal conductivity detector, the sample introduction system and the thermal conductivity detector are connected to the separation system; the separation system comprises a first separation system and a second separation system which are arranged in parallel; a ten-way valve is arranged in each of the first separation system and the second separation system; the ten-way valve of the first separation system is connected with the ten-way valve of the second separation system through a pipeline, the ten-way valve of one separation system is connected with a sample injection system, and the ten-way valve of the other separation system is connected with an external recovery system; and the first separation system and the second separation system are respectively connected with a thermal conductivity detector. According to the gas chromatograph, the analysis of H2, O2, N2, CH4, CO, CO2, H2S, COS and SO2 in the acid gas can be completed within 10 minutes through one-time sample injection, the situation that the analysis result is inaccurate due to system errors caused by multiple times of sample injection is avoided, the time for an operator to make contact with a sample is shortened, and occupational health safety is effectively provided.

The utility model discloses a device for testing sampling efficiency in occupational health, which comprises an acrylic box, a sample box and a sample box, wherein the acrylic box is used for simulating gas-state, vapor-state and aerosol-state chemical substance environments with different concentrations and is of a closed structure; the air sampling combination comprises an air sampler and an air sampling pipe communicated with the air sampler, and the air sampling pipe partially penetrates into the acrylic box; the at least two air collectors are connected to the air sampling pipe in series, are used for directly sampling gas, are positioned outside the acrylic box, are detachably arranged and are in a detached state during pretreatment. A feasible device is provided for a sampling efficiency test, the structure is simple, raw materials can be easily obtained, quantitative production can be achieved, and machining is convenient; on-site environments with different concentrations can be simulated, volatile target substances are effectively collected, and the collection efficiency is improved; and gas volatilization is carried out in the acrylic box, so that environmental pollution can be reduced.

The invention discloses a continuous closed solid-liquid separation device and method for an abamectin crude product crystallization solution, and belongs to the technical field of biopesticide preparation. The invention relates to a continuous closed solid-liquid separation device and method for an abamectin crude product crystalline liquid, the continuous closed solid-liquid separation device comprises a barrel assembly and an end socket assembly, and further comprises a pressing plate assembly, the pressing plate assembly is installed below the end socket assembly, a plurality of jacking oil cylinders are arranged on the outer side of the barrel assembly, the jacking oil cylinders are arranged to be of a telescopic structure, and the pressing plate assembly is arranged on the outer side of the barrel assembly. One end of the jacking oil cylinder is connected with the end socket assembly through the upper support. In order to solve the problems that a centrifugal machine is poor in separation effect, the dissolution proportion cannot be reduced, the crystallization rate is low, and in short, different types of centrifugal machines have the problems in the aspects of quality, peculiar smell control, safety and the like, a six-in-one filter-pressing pulping non-discharging method is adopted. And the risks of environmental hazards, influence on occupational health of staff and possible poisoning explosion caused by using a centrifugal machine in the prior art are effectively avoided.

The invention discloses an occupational health hazard monitoring method, device and equipment and a storage medium, and the method comprises the steps: obtaining the time-varying concentration data of hazard factors in different stations of a production line, and generating the hazard factor monitoring data of each station; obtaining the stroke data of each worker on the production line, and obtaining the hazard contact duration of each worker on the corresponding station according to the stroke data; and calculating the average contact concentration of each worker and the dust hazard index of each station according to the hazard factor monitoring data and the hazard contact duration of each worker at the corresponding station. By associating the monitoring data with the actual contact conditions of the individual workers, the problem that the detection data is disjointed with the station features and the contact conditions of the individual workers in the prior art is solved, and the accuracy and effectiveness of occupational health monitoring are improved.

The present application relates to the technical field of industrial internet and intelligent occupational health supervision, and particularly relates to an occupational health detection and evaluation data acquisition system based on a cloud platform, comprising: a data acquisition terminal configured to collect real-time detection data of occupational health hazards in a target detection area in real time, and upload the real-time detection data to a cloud processing platform; a data access interface configured to communicate with a production management system of a tested enterprise, and upload operation load data to the cloud processing platform; and the cloud processing platform configured to receive the real-time detection data and the operation load data, and output a compliance determination result of the detection data; wherein the compliance determination result comprises a real compliance state, an abnormal working condition state and a human intervention state; the present application realizes deep audit of logical authenticity of emission data.

The utility model discloses an automatic solid propellant winding and coating device which comprises an operation room, a first transmission lead screw is erected at the outer top of the operation room, and a second transmission lead screw is erected at the inner bottom of the operation room; the fixing mechanism is located in the operation room, one end of the fixing mechanism is rotationally connected with the inner side wall of the operation room, and the other end of the fixing mechanism is used for fixing a solid propellant; one end of the winding mechanism is in sliding connection with the second transmission lead screw, and the other end of the winding mechanism extends into the operation room; and one end of the glue smearing mechanism is in sliding connection with the first transmission lead screw, and the other end of the glue smearing mechanism extends into the operation room and is located between the fixing mechanism and the winding mechanism. By arranging the operation room, workers can be separated from the winding mechanism and the gluing mechanism, the workers are prevented from making direct contact with hazardous articles and occupational health harmful factors, and the safety and body health of the workers are guaranteed.

This invention belongs to the technical field of monitoring devices and discloses a working environment monitoring device for occupational health testing in the petrochemical industry. It includes a supporting shell and a turbine. A support plate is fixedly connected to the inner cavity of the supporting shell. A power motor and a telescopic mechanism are fixedly connected to the top of the support plate. A worm gear is fixedly connected to the output shaft end of the power motor. A round shaft is movably engaged within the inner cavity of the support plate. This invention, through the cooperation between the round shaft, worm gear, elastic telescopic rod, and support frame, enables the device to have good stability when monitoring the outdoor environment. The rotation of the turbine causes the second gear to rotate, and then, under the tension of the first tension spring, the locking block moves away from the long block, ultimately engaging with the slot, thereby fixing the support frame. At this point, one end of the bottom of the support frame is in contact with the ground.

The invention relates to the technical field of occupational health, in particular to a big data quantification-driven occupational disease hazard factor evaluation and prevention and treatment system, which comprises a data optimization processing module, a data feature acquisition module, an occupational disease index evaluation module and an occupational disease early warning and prevention and treatment module, outputting the reconstructed phase space matrix and data information corresponding to different time points; the data feature obtaining module obtains feature information and a classification result of occupational health data for the reconstructed phase space matrix and the data information by using a feature learning network model; the occupational disease index evaluation module determines weights of different occupational disease indexes based on the feature information and the classification result, and analyzes a comprehensive hazard index of the occupational disease indexes in combination with a hazard index level evaluation model; and the occupational disease early warning and prevention module sends an occupational disease early warning signal based on the comprehensive hazard index and matches a prevention scheme. The modules work cooperatively to achieve occupational disease evaluation and prevention and control, and the prevention and control efficiency and effect are improved.

The invention belongs to the field of occupational health detection, and provides a trace SF6 gas sampler without a memory effect, which comprises a sample introduction unit, a constant pressure control unit, a six-way valve 5, a quantitative sampling ring 6, a sample introduction analysis system and a flow channel cleaning system, the sampling unit is sequentially connected with the six-way valve 5 and the quantitative sampling ring 6, and the constant pressure control unit is arranged on a pipeline between the sampling unit and the six-way valve 5; and the six-way valve 5 is also respectively connected with a sample introduction analysis system, a flow channel cleaning system, a sample introduction pipeline and a sample discharge pipeline. According to the invention, cross contamination-free and long-term stable sampling of trace gas is realized. Through the design of the process, the flow channel, key equipment and the like, the possibility of cross contamination of sample gas is fundamentally eradicated, and the sampling stability and reliability are ensured by adopting a constant-pressure control system and a flow channel cleaning system, so that a reliable technical guarantee is provided for accurate collection of trace gas.

The utility model relates to the technical field of health detection equipment, and discloses an adjusting support and occupational health detection equipment, which comprises a main shaft and a rotating plate, a plurality of mounting blocks are arranged above the side surface of the main shaft, a first fixing frame is arranged at the bottom of the main shaft, and a telescopic assembly is movably arranged at the bottom of the main shaft; the first fixing frame and the second fixing frame can jointly clamp the first supports, each mounting block is rotationally connected with the corresponding first support, a plurality of sets of positioning holes are formed in each first support, each set of positioning holes are in mirror symmetry, a second support is inserted into the bottom of each first support, and two positioning assemblies in mirror symmetry are arranged on each second support. According to the device, through the telescopic structure of the first support and the second support, under the cooperation of the positioning assembly and the positioning hole, the first support is rapidly stretched out and drawn back, meanwhile, the fixing assembly is clamped to the side face of the sliding block on the sliding groove, the mounting plate is rapidly disassembled and assembled by rotating the clamping strip, and the device is more convenient and efficient to carry after being stretched out and drawn back and disassembled.

The application discloses a professional health examination result prediction method based on an expert system and machine learning, and the method is: after adding the number of visits information to the physical examination archive information to form an original data set after cleaning and standardizing, important features are extracted through deep learning to obtain a new data set by recombination; all hazard factor types of each physical examination personnel in the new data set are identified; the corresponding prediction label is obtained through logical judgment of each hazard factor according to the occupational health standard to form a decision set; the decision set is marked with occupational contraindications and suspected occupational diseases respectively, and the corresponding feature SOD and feature OC of the marked results are added to the new data set; the new data set after the expert system link is randomly divided into a training set and a test set, and more than two machine learning models are selected to train the training set to obtain respective prediction results; the prediction results of the more than two models are weighted and averaged through a weighted voting method to obtain the final output result. The application can more effectively identify the occupational health risk.