31results about How to "Ensure life, health and safety" patented technology

Provided is a uranium tailings decommissioning environment management effect assessment method based on a three-scale analytic hierarchy process. Based on the conventional environment management performance assessment method, a uranium tailings decommissioning environment management effect assessment system is established. The weight is determined by employing the three-scale analytic hierarchy process, a comparison matrix is improved, the consistency test is avoided, the iteration frequency is reduced, and the convergence speed is increased; a membership function is established by employing a triangle distribution function; and the decommissioning environment management effect comprehensive assessment is conducted, the management scheme is improved, and the management effect is improved.

The invention discloses a formaldehyde detection device and method based on an intermediate infrared tunable laser. The formaldehyde detection device comprises a signal generating module, a laser driver, a laser source, a detector, a lock-in amplifying module, a signal processing module and a result displaying module, wherein the signal generating module, the laser driver and the laser source aresequentially and electrically connected, the detector is connected with the lock-in amplifying module, one end of the signal processing module is connected with the lock-in amplifying module, and theother end of the signal processing module is connected with the display module. The formaldehyde detection device and method based on the intermediate infrared tunable laser are high in detection sensitivity, a measurement range can cover the space of a whole house, remote operation can be achieved, measurement results are received through a network, the whole measurement process can be greatly simplified, and the life safety of workers in a field is guaranteed.

The invention discloses a safe driving assistance method. The method comprises the steps of extracting driving parameter information of a vehicle, environment information around the vehicle and body state information of a user in real time; judging whether the vehicle has an unsafe driving behavior or not based on the driving parameter information; if so, sending prompt information corresponding to the unsafe driving behavior to intelligent interaction equipment in real time according to a preset prompt rule; and updating a driving behavior score of the vehicle in the driving journey according to a preset scoring rule for the unsafe driving behavior in the driving journey in combination with the environment information around the vehicle and the body state information of the user, and sending the driving behavior score to the intelligent equipment device to evaluate the driving behavior in the driving journey.

The invention discloses a medical health assessment system and method for old people, and belongs to the technical field of social group management and assessment; the system comprises an old people basic information registration module which is used for recording the basic health condition of the old people; an elderly health monitoring module which is used for recording various physical index information of the elderly; a health condition evaluation module which is used for evaluating the health condition of the old people according to the basic health condition of the old people; a scheme recommendation module which is used for obtaining recommended treatment and nursing schemes according to the health condition; an emergency processing module which is used for processing the emergency situation of the old people; an evaluation information collection module which is used for collecting the information obtained by the health condition evaluation module and outputting the collected information to the evaluation result processing module; and an evaluation result processing module which is used for generating an evaluation report and a historical evaluation record comparative analysis report.

The invention discloses a construction ventilation method for a large and long tunnel. Before the car crossing between the left hole and the right hole of the tunnel is penetrated, the tunnel adopts apress-in ventilation method and the entrances and exits of the left and right holes are externally provided with local ventilators, and the local ventilators can supply air to each face of the tunnelrespectively; meanwhile, in order to ensure the flow stability of the airflow in the tunnel after the crosswalk of the tunnel is penetrated, a jet fan is installed at intervals of the left or right hole of the tunnel to guide the airflow direction and blow off the accumulated gas in a local section. The method provided by the invention fully utilizes the left and right holes and the intermediatecar crossing of the parallel construction, reduces the convection and vortex of the air in the hole by adopting the method of single hole intake and single hole exhaust, improves the ventilation efficiency, and ensures the life health safety of construction worker maximally.

The invention relates to the field of life health technology, and discloses a portable split type first-aid calling device. The device comprises a miniature housing and a household instrument housing.The left side of the miniature housing is fixedly connected with a patch. The left side of the patch is fixedly connected with a physiotherapy stone. The left side of the inner wall of the miniaturehousing is fixedly connected with a connecting block. According to the portable slit type first-aid calling device, through arranging a miniature split type device, the miniature housing facilitates carrying and satisfies a requirement for health insurance at home or in outgoing of a user. The patch can be adhered to the surface of the skin for repeated use, thereby facilitating remote asking-for-help by the user in any condition. A buffer can effectively attract attraction of surrounding personnel, thereby improving possibility of being saved by other persons. A lamp tube facilitates adhesionof the miniature housing to an affected part. The user can conveniently operate a first-aid button. Furthermore common conditions of the user can be indicated to the surrounding personnel, thereby greatly improving life health insurance of empty nests.

An ammonia gas detection and purification device for animal husbandry is characterized in that the whole system works under the control of a wireless sensor and composed of an ammonia gas concentration detection probe, an exhaust fan, an air bellow with an exhaust pump and an ammonia gas purification device, the device is an intelligent treatment device which is used for detecting the concentration of ammonia gas in traditional animal husbandry (such as live pig breeding), discharging the ammonia gas and purifying the ammonia gas in an integrated mode, and intelligent ammonia gas treatment is achieved.

The invention discloses an electrical system of a hybrid power rail car. The electrical system comprises a main and auxiliary integrated converters of one weight or more than two weights. The main and auxiliary integrated converter comprises a rectification module, a first bridge arm, an intermediate DC link, a traction inversion module, an auxiliary inversion module connected to the intermediate DC link, and an isolation output module connected with the auxiliary inversion module which are connected in sequence. An engine is connected to a generator which is then connected to the rectification module. One end of the power battery is connected between the two serially connected switch tubes of the first bridge arm through the chopper reactor, and the other end of the power battery is in common ground connection with the intermediate DC link. And the traction motor is connected with the traction inversion module. The technical problems that an existing electrical system adopts uncontrollable rectification, the size of intermediate direct-current voltage cannot be adjusted, a contact network and an engine unit cannot supply power at the same time, and power is insufficient due to the fact that the system cannot adapt to power reduction operation of the engine in a contact network-free environment and a plateau environment can be solved.

The invention discloses an electrical control method for a hybrid power rail car. The electrical control method comprises a generator power supply mode, a power battery power supply mode and a hybrid power supply mode. In the hybrid power supply mode, the engine drives the generator to generate three-phase alternating current, and the three-phase alternating current is controllably rectified by the rectifier module to supply power to the intermediate direct current link. A power battery supplies power to the intermediate direct current link after being boosted by the chopping reactor, the first bridge arm and the supporting capacitor in sequence. After the electric energy output by the generator and the electric energy output by the power battery realize parallel power supply in the intermediate direct current link, one path supplies power to the traction motor through the traction inversion module, and the other path supplies power to the auxiliary load through the auxiliary inversion module. The technical problems that an existing electrical system adopts uncontrollable rectification, the size of intermediate direct-current voltage cannot be adjusted, a contact network and an engine unit cannot supply power at the same time, and power is insufficient due to the fact that the system cannot adapt to power reduction operation of an engine in a contact network-free environment and a plateau environment can be solved.

The invention discloses a remote electrocardiogram monitoring and health management platform based on a cloud platform. The platform comprises information collection equipment, an Internet of Things module, a cloud service platform, a data analysis system, an abnormality alarm system, and an expert team precise analysis and diagnosis system. A stage data report of the user can be checked and analyzed, and data of other terminal users can be managed according to permission agreement. For abnormal data, the cloud service platform has the functions of pushing information to terminal users, managers and expert teams, providing three services of data analysis reports, expert accurate guidance and file query, interacting with the expert teams, helping to guide the users to obtain health guidance and helping the managers to know the health conditions of the users in real time.

The invention discloses a wind power plant safety operation scheduling method based on space positioning. The wind power plant safety operation scheduling method comprises the following steps: superposing coordinates of wind driven generator distribution positions on a geographic information system to form a wind driven generator distribution diagram layer; superposing a unit maintenance period early warning layer based on the distribution position of the wind driven generator; formulating an operation scheduling scheme according to the periodic early warning layer and sending the operation scheduling scheme to an operator; after an operator goes to an operation destination, enabling a safety early warning area with the operator as the center to be formed on the geographic information system; and monitoring whether a risk event exists in the safety early warning area or not in real time, and starting an early warning scheme if the risk event exists. According to the wind power plant safety operation scheduling method, the requirement and the safety environment of the maintenance operation of each wind driven generator can be visually known by utilizing space positioning, and scheduling personnel can make a maintenance operation scheduling scheme and guide operators to carry out work, and the work content is simplified, and the safety work of the operators is enhanced based on the space positioning of the operators.

The invention discloses a mining safety helmet with a dustproof effect. The mining safety helmet comprises a filter element layer, a dustproof mask and a mining safety helmet body. The filter element layer comprises a moist sponge filter element, a waterproof cloth layer and an ABS (Acrylonitrile Butadiene Styrene) plastic frame, and the dustproof mask comprises a mask body, a cotton surrounding edge and a high-elasticity silica gel plastic soft belt. The using method comprises the following steps that during underground operation, the mask is taken down from the position above the tongue of the safety helmet and put on the mouth and the nose. According to the device, the face load of a common dustproof mask to an operator can be greatly reduced, and operation is convenient; and compared with a common dust mask, the dust mask added with a filtration distance for a dust - containing gas to get into the respiratory system has the advantage that the inhaled rate of dust can be effectively reduced.

The invention discloses a mining safety helmet with a dustproof effect. The mining safety helmet comprises a filter element layer, a dustproof mask and a mining safety helmet body. The filter element layer comprises a moist sponge filter element, a waterproof cloth layer and an ABS plastic frame, and the dustproof mask comprises a mask body, a cotton surrounding edge and a high-elasticity silica gel plastic soft belt. The using method comprises the following steps that during underground operation, the mask is taken down from the position above the tongue of the safety helmet and put on the mouth and the nose. According to the device, the face load of a common dustproof mask to an operator can be greatly reduced, and operation is convenient; and compared with a common dust mask, the dust mask added with a filtration distance for a dust - containing gas to get into the respiratory system has the advantage that the inhaled rate of dust can be effectively reduced.

The invention discloses a drying-disinfection device. The drying-disinfection device comprises a box body, wherein a gas intake pipe is fixedly connected to the upper part of the inner cavity of the box body; the gas intake pipe is communicated with a gas drying chamber through a gas pump; a gas filter is fixedly connected to the bottom of the gas drying chamber; the gas filter is communicated with a heating cavity through a gas guide pipe; the outer wall of the heating cavity and the box body are fixedly connected; a heater is fixedly connected to the inner wall of the heating cavity; and a fan is fixedly connected to one side away from the heater, of the heating cavity, through a fan installation frame. The invention relates to the technical field of mechanical equipment. According to the drying-disinfection device, high-temperature drying and disinfection, and temperature detection are carried out, and rapid drying can be carried out after anti-corrosion and anti-cracking treatment,so that the life health and safety of a user, and the approval rate of a product are ensured; and automatic feeding is carried out and a stabilizer drying environment is kept, so that the labor amount of workers is reduced, the production efficiency is increased, and the production cost is lowered.

The invention discloses an interventional robot with magnetic navigation and a using method thereof.The interventional robot comprises a robot body, the robot body comprises a moving carrier, a mechanical arm and a tail end execution tool, and the mechanical arm is movably arranged on the moving carrier and is responsible for moving the tail end execution tool to a designated position; the endoscope system is installed and fixed on the tail end execution tool, is used for entering a human body cavity and imaging, and comprises an endoscope body capable of being controlled to move, the endoscope body is provided with a working channel for a minimally invasive instrument to penetrate through, and a sensing device with a positioning function is arranged in the endoscope body; and the electromagnetic navigation system can identify the sensing device and is used for determining the position and posture of the endoscope body. By combining the robot technology and the electromagnetic navigation technology, the interventional operation and detection time can be shortened, the efficiency can be improved, meanwhile, the pain degree of a patient can be reduced, and an important role is played in improving the medical level.

The invention discloses a tricycle which comprises a frame, a handlebar arranged on the frame, a steering assembly controlled by the handlebar, a rear wheel connected to the frame and two front wheelsconnected to the frame. The steering assembly is connected between the two front wheels and the handlebar and comprises driving rod connected to the two front wheels, a connecting rod with two ends hinged to the two driving rods, a steering shaft connected to the handlebar and rotating with the handlebar, a swing rod fixed to the steering shaft and a steering yoke connected with the swing rod anda connecting rod, a sliding groove is formed in the swing rod, and a slide block sliding along the sliding groove is formed in the top end of the steering yoke. The tricycle is effectively preventedfrom bilaterally turning during steering by arranging two front wheels, is more stable in riding and ensures the life and safety of a rider. In addition, the double front wheels of the tricycle are more flexible in steering, a steering column rotates through the swing rod driving the steering yoke, and the tricycle is simple and firm in structure and long in service life and meanwhile is low in production cost.

The invention belongs to the technical field of electric furnace equipment, and specifically relates to an electrode cylinder for a ferroalloy high-power DC electric furnace, which includes an electrode cylinder body, an electrode connecting seat and a hook, and uniformly arranged electrodes are fixedly connected to the inner surface of the electrode cylinder body Connecting seat; the surface of the electrode connecting seat is provided with heat conduction holes; the upper surface of the electrode cylinder body is hung with hooks; the number of the hooks is two, and the left and right are symmetrically arranged; the two hooks The same suspension rope is connected between them; the lower surface of the electrode cylinder body is connected with an electrode connection seat; through the present invention, the electrode cylinder is effectively connected using a crane to automatically engage and connect. After the connection is completed, due to the electrode cylinder itself Due to the action of gravity, it will be automatically and firmly engaged, and the risk of rollover before the electrode cylinder is welded is reduced, ensuring the life, health and safety of the staff. During the engaging process, there is no need for auxiliary staff, and the work will not be injured in the event of a decoupling accident. personnel.

The invention relates to the technical field of computer maintenance, and discloses a movable stable lifting frame device used in the maintenance process of a computer room. The device comprises a base; the top of the base is slidably connected with a lifting device; the surface of the base is provided with a lifting power device; the surface of the lifting power device is in transmission connection with a transmission belt; two contraction wheel devices are arranged at the bottom of the base; and a contraction wheel power device is arranged between the two contraction wheel devices. According to the movable stable lifting frame device used in the maintenance process of the computer room, through cooperative use of the base, the lifting device, the power device, the transmission belt, the contraction wheel devices and the contraction wheel power device, stable lifting can be achieved, meanwhile, wheels can be folded and unfolded, and the wide bottom surface of the base is in contact with the ground during folding, so that the stability of the device is improved, the maintenance is convenient, and the life health and safety of people are ensured.

Automatic equipment for vessel filling comprises a rack. A feed device, a touch screen, a conveyor, a separation transfer device, a heat seal device, a liquid injection device and a cover buckling device are arranged on the rack. The conveyor is arranged between the feed device and the separation transfer device. The heat seal device, the liquid injection device and the cover buckling device are all arranged on the same side of the separation transfer device. The automatic equipment is high in automation degree, contamination of manual operation to a vessel or medicine in the vessel is avoided, life health and safety of a user are ensured, vessels can be produced in batches, and production efficiency is improved. The automatic equipment is compact in overall structure and small in occupiedarea and also has the advantages of many functions and intellectualization.

The invention discloses an integrated pipe cutting machine. The integrated pipe cutting machine comprises a machine tool head box and a machine tool tail box, wherein the machine tool head box and themachine tool tail box are fixedly connected; a feeding part, a cutting part and a control electric box are arranged on the outer plane of the top of the machine tool head box, and the feeding part, the cutting part and the control electric box are fixedly connected with the machine tool head box; a second supporting seat is arranged on the side, far away from the machine tool head box, of the outer plane of the top of the machine tool tail box, the second supporting seat is fixedly connected with the machine tool tail box, and a supporting cross beam is arranged on the second supporting seat;and the other end, far away from the second supporting seat, of the supporting cross beam is fixedly connected with the feeding part, a positioning and clamping part is arranged on the supporting cross beam, and the positioning and clamping part is fixedly connected with the supporting cross beam. By the adoption of the scheme, a machine tool is easy and convenient to operate, and a worker can carry out cutting only by carrying out simple operation on one side of the machine tool head box, so that contact between the worker and a cutting tool is avoided, and life health and safety of the worker are guaranteed.

The invention discloses a drilling blowout prevention efficient deslagging device and a using method thereof.The drilling blowout prevention efficient deslagging device is characterized in that a first connector is connected with an extraction system through an extraction main pipe, the lower end of the right side of a box body is connected with a plurality of air inlet connectors, the air inlet connectors are all connected with a drilling machine orifice, and the lower end of the left side of the box body is connected with a first deslagging pipe; the outer side of the first slag discharging pipe is connected with a connecting pipe, the outer side of the connecting pipe is fixedly connected with a first one-way valve, the other end of the connecting pipe is connected with the tank body, the lower end of the right side of the tank body is connected with a second slag discharging pipe, and the outer side of the second slag discharging pipe is fixedly connected with a second one-way valve. Dust generated in the drilling process can be effectively removed, continuous extraction and automatic cleaning are achieved, the blowout prevention requirement is met, it is guaranteed that a pipeline is unblocked all the time, the multiple functions of blowout prevention, dust prevention and slag removal in drilling are integrated, and the practicability of the device is greatly improved.

The invention relates to the field of medical instruments, in particular to a special oral-nasal negative-pressure air extractor capable of preventing viruses from overflowing and used for tracheal intubation of patients infected with new coronaviruses. The special oral-nasal negative-pressure air extractor comprises a frame body, an oral ventilation ring, an airway strip and a bandage, wherein the frame body is provided with a mouth vacancy at the mouth position of a patient, and is provided with a nose groove structure at the nose position of the patient; nose through holes are formed in thenose groove structure; a mouth ventilation ring is arranged at the part, located at the periphery of the mouth vacancy, of the outer side surface of the frame body; a hollow air passage in the mouthventilation ring is an annular air passage; a plurality of air holes are formed in the inner ring surface of the mouth ventilation ring; a nose air passage communicated with the nose through holes andthe annular air passage is formed in the mouth ventilation ring; the airway strip is arranged on the mouth ventilation ring and / or the frame body; two ports of the airway strip are communicated withthe annular air passage; an air receiving port is formed in the annular air passage; and two ends of the bandage are arranged on the frame body. According to the air extractor, air with viruses exhaled by the patient is sucked away through the air holes in the inner ring of the mouth ventilation ring and the nose air passage connected with the nose through holes.

The invention provides an intelligent air conditioning monitoring system based on a single chip microcomputer. The intelligent air conditioning monitoring system comprises a water vapor monitoring module, a dust monitoring module, a freon monitoring module, the single chip microcomputer and an alarm module. Compared with the prior art, the intelligent air conditioning monitoring system has the beneficial effects that the overall structure is smart, and the contents of water vapor, dust and freon in exhaust air of an air conditioner are monitored, so that substandard values can be found in time, corresponding treatment can be quickly performed, and the life health and safety of consumers are guaranteed.

The invention discloses a storage battery support test testing tool which comprises a base plate,a detection box is fixedly connected to the middle of the top of the base plate,two sides of the top ofthe detection box are each fixedly connected with a supporting rod,a sliding plate runs through the middles of the surfaces of the two supporting rods,the middle of the surface of an electric hydraulic rod is fixedly connected with the surfaces of the supporting rods through a fixing frame,and the invention relates to the technical field of storage battery support testing devices. According to the storage battery support test testing tool,a detection box is fixedly connected to the middle of the top of the base plate,the voltage resistance of the storage battery support can be rapidly known,the life health safety of surrounding workers can be ensured,workers are not threatened,the support detection speed is ensured,a detection value can be rapidly and conveniently displayed on a displayer,and the problem that pressure detection cannot be performed on a storage battery support conveniently and safely by an existing storage battery support test testing tool is solved.