125results about How to "Guarantee life and health" patented technology

The invention discloses a road slope calculation method and device based on monocular vision. The method comprises the following steps: collecting image information of a road, and carrying out pretreatment on the image information; extracting straight line information in the processed image information, and adding constraint conditions to obtain a lane line of the road through fitting; extractinga plurality of feature points of the lane line, and calculating slope between two adjacent feature points at the same side of the lane line; within one preset time, analyzing slope change informationof the road according to change laws of the lane line slope in a single frame picture; judging the number of slopes of the road according to the slope change information, and then, calculating an image coordinate of a corresponding road surface vanishing point according to the feature points on the lane line; and calculating the slope of the road according to the image coordinate of the road surface vanishing point. The method and device complete the calculation of the road slope by utilizing monocular vision, can better analyze location information of an obstacle and improve precision of thedistance measurement result of the obstacle.

The invention discloses a preparation method for instant Tibetan tea, and relates to an instant border area tea technology. The conventional Tibetan tea drinking technology and the modern instant tea preparation technology are organically combined. The preparation method comprises the following steps: performing rinsing, spread cooling, stacking, fixation, spread cooling, stem taking off, fumigating, rolling, drying, re-twisting, re-drying, re-rolling, piling, drying, screening, slitting, re-screening, blending, picking out, inspection, examination, fumigating, pressing, drying, cooling and racking (pre-treatment) on picked matured leaflet Sichuan tea leaves and then performing selection, boiled water continuous extraction, filtration, vacuum concentration, drying, inspection and package, so that the instant Tibetan tea is prepared. Matured leaves of a tea tree can be effectively used, and the utilization rate of the leaves can be greatly increased; Tibetan tea is rich in various biochemical substances beneficial to a human body, and has the functions of preventing some diseases and protecting the health.

The invention relates to an air conditioner filter component, and particularly relates to a long-life multiple-effect air conditioner filter element which comprises a filter layer with a filter membrane and a wind guide layer positioned on the upstream side of the filter layer, wherein the wind guide layer is provided with a windshield component for guiding the wind direction; the windshield component guides the wind to be filtered to form an angle of 30-75 degrees with the plane of the filter layer. Under the effect of the wind guide layer, the air is blown to the filter layer at certain angle, and pollutants are pushed to one side edge of the filter layer, thereby keeping high cleanliness of the filter layer in an area with relatively strong wind and effectively prolonging the service life of the filter membrane. Moreover, the long-life multiple-effect air conditioner filter element also comprises an adsorption layer with nano-Ag-loaded coconut shell activated carbon particles, wherein the adsorption layer can adsorb formaldehyde and TVOC in the air; meanwhile, the nano Ag effectively kills bacteria and viruses to achieve a complete air purification effect and guarantee the healthy life of people.

The invention discloses a railway engineering machine hybrid power source system which comprises a hybrid power source and a converter connected with the hybrid power source. The hybrid power source comprises a main power source and an auxiliary power source, and electric energy from the main power source or the auxiliary power source is converted through the converter and treated to be electric energy needed by a whole vehicle electricity consumption device. When the system is electrically connected and communicated with an overhead line system and the overhead line system continues to be powered, the whole vehicle electricity consumption device is powered by the overhead line system power source; when the system is electrically disconnected with the overhead line system or the overhead line system cannot be continuously powered, the whole vehicle electricity consumption device is powered by the auxiliary power source; when the two power sources need to be switched, the whole vehicleelectricity consumption device is powered by both the main power source and the auxiliary power source in the switching process, and the replaced power source exits from power supply after switching is ended. The technical problems that according to an existing railway engineering machine internal combustion hydraulic power mode, maintenance is complex, the hydraulic oil leakage possibility exists, and environment pollution is serious can be solved.

The invention discloses an automatic bag replacement deodorization detection disinfection gravity sensing rubbish bin, and relates to the environment protection field. The automatic bag replacement deodorization detection disinfection gravity sensing rubbish bin comprises a bin body, a bin cover seat and a bin cover, wherein a bin cover motor, a front door switch, a gravity sensing module, an ultrasonic distance measurement unit, a display lamp, a ventilating duct, an air fan, an ultraviolet ray lamp, a bag replacement switch, a control module and a battery pack are arranged on the bin cover seat, rubbish bag drive mechanisms with synchronous wheels around a synchronous belt are arranged on two sides of the bin cover seat, and an installation groove used to place rubbish bag rolls which can be pulled is formed in the bin body. The automatic bag replacement deodorization detection disinfection gravity sensing rubbish bin can solve the problems that an existing rubbish bin needs a person to manually replace rubbish bags, and thereby is troublesome to operate, enables the person to easily touch rubbish, does not have an automatic aeration and deodorization function, can not detect the amount of the rubbish inside, can not timely inform the person to clear the rubbish inside and disinfect the existing rubbish bin, and generates foul smells or bacteria, which pollute the environment and influence personal health, the rubbish in the existing rubbish bin overflows after the existing rubbish bin falls, pets rummage or eat the rubbish at random, and therefore not only is environmental sanitation influenced, but also adverse effects are caused on pet health.

The invention discloses a noodle fresh keeping agent and a preparation method thereof. The noodle fresh keeping agent is compounded from nisin, polylysine, natamycin, ascorbic acid, tea polyphenols, glycine and EDTA-2Na. The natamycin, the nisin and the polylysine are compounded, and besides, a certain quantity of antioxidants and preservative synergists are added, so that the advantages of the biological preservative are integrated; and the EDTA-2Na which is added is used as a chelating agent, so that great protection effects can be achieved on milk chain antibacterial activity, and the noodle fresh keeping agent which is safe and free from toxin, can achieve wide antimicrobial spectrum, and is good in corruption preventing and fresh keeping effects, can be obtained. The bacteriostasis effect of the noodle fresh keeping agent is notably higher than that of a single component and a general preservative in the market. Through compounding, a small amount of the nisin, a small amount of the polylysine and the like are added, so that effective effects of preventing corruption and keeping fresh can be realized.

The invention discloses a switching control method for hybrid power sources of railway engineering machinery. The hybrid power sources comprise a catenary power supply module and an internal combustion power supply module, electrical power from the catenary power supply module or the internal combustion power supply module is converted and processed by a converter and then converted into electricpower required by a traction motor. When a catenary is electrically connected and power is continuously supplied to the catenary, the power is supplied to the traction motor through the catenary powersupply module. When the catenary is not electrically connected or power cannot be continuously supplied to the catenary, the power is supplied to the traction motor through the internal combustion power supply module. When the two power supply modules need to be switched, the catenary power supply module and the internal combustion power supply module supply the power to the traction motor at thesame time during switching, and the replaced power supply module stops supplying the power when switching is finished. The switching control method for the hybrid power sources of the railway engineering machinery can achieve the technical purpose that when the two power sources are switched, it is ensured that an operating mechanism can run continuously without impact.

The invention relates to the technical field of welding devices, in particular to a welding device with the automatic reversing function and an application method thereof. The welding device compriseswelding equipment and a moving mechanism, a welding gun is fixedly connected to the upper end face of the welding equipment, a protection mechanism is fixedly connected to the outer side of the welding gun, a waste gas treatment device is fixedly connected to the right side of the protection mechanism, a supporting rod is fixedly connected to the upper end surface of the waste gas treatment device, the upper end surface of the supporting rod is fixedly connected to the welding gun, clamping mechanisms distributed in the left-right direction are arranged below the protection mechanism, and each clamping mechanism comprises a clamping frame and an electric telescopic rod. According to the welding device and the application method thereof, through the arrangement of adjusting threaded shafts, the telescopic rods and clamping blocks, the arranged clamping blocks can clamp plate-shaped and columnar parts, the application range is enlarged, it is guaranteed that the clamping frames can be reversed through arranged driving gears and driven gears, it is guaranteed that the clamping frames can conduct reversed welding on the parts, manual turnover is not needed, the time is saved; and therefore the working efficiency is improved.

The invention discloses a test paper binding device and method. The test paper binding device comprises a binding platform placed on a table. Binding frames which are symmetrical in the left-right direction are fixedly arranged on the upper end face of the binding platform. Inlets which are open outwards are fixedly formed in the end faces, away from each other, of the binding frames. Driving cavities are formed in the end walls, close to each other, of the inlets in a communicating mode. Pressing cavities which are symmetrical in the vertical direction are formed in the end walls, away from the inlets, of the driving cavities in a communicating mode. The end walls, away from the inlets, of the pressing cavities communicate with the external space. Connecting cavities are formed in the pressing cavities in a communicating mode. The test paper binding device is simple in structure and convenient and fast to use; compared with a stapler, time is greatly saved; the test paper binding device punches holes in the edges of test paper, so that potential safety hazards caused by the stapler are avoided, the life health of users is ensured, the work efficiency is effectively improved, and the safety of the test paper binding device is improved.

The invention relates to the technical field of duck neck cutting, and especially relates to a cutting and collecting apparatus for duck neck processing. The apparatus comprises a cleaning device, support legs, a conveying tube and a collecting box, the upper end surface of the cleaning device is fixedly connected with the support legs, which are distributed at the left side and the right side respectively, and a distance fixing device, the right end surface of the cleaning device is fixedly connected with a protective shell, the right side of the protective shell is slidably connected with acollecting box, the conveying tube is arranged above the left end of the collecting box, the upper end surface of the conveying tube is fixedly connected with the cleaning device, the upper part of the right end surface of the cleaning device is fixedly connected with a protective cover, the upper end surfaces of the support legs are fixedly connected with a conveying device, and the right side ofthe upper end surface of the conveying device is fixedly connected the protective cover. A water tank, a water pump, a nozzle and a first moor are arranged, so cut duck necks can be completely cleaned, thereby the apparatus has the advantages of labor reduction, cost reduction, reduction of the labor intensity of people, improvement of the efficiency, saving of a lot of time, and good use benefits.

The invention discloses a green construction environment monitoring system. According to the technical scheme, the green construction environment monitoring system is characterized in that a pluralityof spray gun machines and safety helmets are arranged in each area, and the green construction environment monitoring system comprises a particulate sensor, a noise sensor, an area controller and a central control platform, wherein the particulate sensor is used for outputting a concentration detection signal; the noise sensor is used for outputting a noise detection signal; the area controller is used for acquiring and transmitting the concentration detection signal and the noise detection signal to the central control platform; a particulate concentration preset value and a noise preset value are set in the central control platform; the central control platform is used for receiving and analyzing the concentration detection signal and the noise detection signal, and used for transmitting control instructions to control opening and closure of the spray gun machine; a first preset time is set in the central control platform; and when the time exceeds the first preset time, and the concentration detection signal is greater than the particulate concentration preset value, a reminding signal is transmitted from the central control platform. By adopting the green construction environment monitoring system disclosed by the invention, environment monitoring is automatically carried out to ensure healthy daily life around.

The invention relates to preparation of macromolecule electrostatic spinning fibers, in particular to method for preparing polyimide micron fibers by an electricity spinning method, and belongs to the technical field of high molecular materials. The method for preparing the polyimide micron fibers by the electricity spinning method comprises the following steps of dissolving polyamic acid ammonium salt in water to obtain a polyamic acid ammonium salt solution, mixing alcohol with the obtained polyamic acid ammonium salt solution, so as to obtain a polyamic acid ammonium salt spinning stock solution; spinning the obtained polyamic acid ammonium salt spinning stock solution, so as to obtain polyamic acid ammonium salt fiber; and performing thermal imidization on the obtained polyamic acid ammonium salt fibers, so as to obtain the polyimide micron fiber. The diameter of the polyimide micron fiber is 1-5 microns, and the polyimide micron fiber has the characteristics of being high in strength and modulus.

The invention provides a nanometer graphene purification system for treating medical sewage containing novel coronaviruses. The nanometer graphene purification system comprises a medical sewage collecting and conveying device, at least two stages of sedimentation tanks, a filtering device, at least three stages of graphene sterilization devices, a multiple purification tank, a photocatalytic degradation device, an advanced novel coronavirus purification device and at least three stages of graphene water purification devices. The invention further provides a process for applying the nanometer graphene purification system for treating the medical sewage containing the novel coronaviruses. According to the nanometer graphene purification system and process for treating medical sewage containing the novel coronaviruses in the invention, the novel coronaviruses are deeply killed by utilizing instantaneous high temperature, high pressure and high energy release of micro-nano bubbles; the multi-stage graphene water purification devices and the graphene sterilization devices are cooperatively utilized to deeply kill, block or purify various pathogenic bacteria, parasites and hundreds of pollutants in the medical sewage, so up-to-standard discharge of the medical sewage in infectious disease hospitals can be ensured, and the life safety, the environmental safety and the life health of the masses are further ensured.

The invention discloses a timed automatic sterilization garbage can and relates to the technical field of environment protection. The garbage can comprises a can body, a can cover seat sleeved on the can body, a can cover hinged to the can cover seat and a front door arranged in the front of the can body. A motor for driving the can cover to be opened and closed, an ultraviolet sterilization lamp, a control module and a battery pack are arranged on the can cover seat. A control switch for controlling the motor is arranged on the can body. The motor, the ultraviolet sterilization lamp, the control module and the control switch are all electrically connected with the battery pack. The control module comprises a timing unit, a switch control unit and a motor drive unit. The control switch is a touch switch or a light sensation switch. By means of the garbage can, the problems that prior garbage cans cannot be sterilized regularly and prone to thriving of bacteria and produce stink which pollutes the environment, and seriously, people can get sick if the stink is suctioned into human bodies can be solved.

The invention provides a multifunctional antibacterial mattress containing graphene. The mattress comprises a plurality of antibacterial mattress bodies with the same size, wherein each antibacterialmattress body comprises a water locking layer, an antibacterial layer, a water absorbing layer and a waterproof layer; the water locking layer is synthesized from graphene fiber and nonwoven fabric with a spunlace process; the antibacterial layer is one or more of carbon sponge, latex sponge, high-density sponge and graphene fiber. Due to the antibacterial performance of the graphene material, theprepared antibacterial mattress has a remarkable inhibition effect on bacteria, besides, the antibacterial mattress bodies can be dismounted, spliced and replaced with one another, bed mattresses with different sizes can be formed, and a sofa cushion, a camping mat and the like can be formed.

The invention discloses a multifunctional nursing walking stick for old people. The multifunctional nursing walking stick for old people sequentially comprises a hand holding part, a support rod, a base plate and a plurality of support claws, wherein the upper end of the support rod is vertically connected with the hand holding part through screw threads; the lower end of the support rod is connected with the center position of the base plate through screw threads; the plurality of support claws are fixedly arranged at the bottom of the base plate; one end of the hand holding part is provided with human body engineering veins to be matched with the holding posture of the human hand; a liquid crystal display screen is arranged on the side surface of the other end. The multifunctional nursing walking stick also comprises a control module, a detection module and an operation region; the control module is arranged inside the base plate; the upper surface of the base plate is provided with a signal emitter; the operation region is arranged at one side of the support rod; the detection module is respectively arranged at the hand holding part and the base plate; the control module is respectively connected with the liquid crystal display screen, the detection module, the operation region and the signal emitter. The multifunctional nursing walking stick has the advantages that the human body temperature, pulse and blood pressure information can be effectively detected and displayed; then, the information is sent to a computer terminal, so that the tracking recording of the health condition of old people and the multifunctional application of the walking stick can be realized; the life health of old people is ensured; the work of medical personnel is reduced.

The invention discloses an intelligent detection system for the safety of a roller coaster. The intelligent detection system comprises a detection device, a maintenance device and a rescue device. Thedetection device comprises a moving door, rotating wheels, fixing hooks, first electromagnets, a wind speed detection device body, an infrared detection device body, a vibration detection device body, first pressure detection device bodies, camera device bodies, air holes and a spraying device; the maintenance device comprises a mechanical arm, a sliding wheel and a welding head, the mechanical arm is provided with an infrared scanner, a placing box and a spraying port, and one side of the spraying port is provided with a storage box, a rotating shaft, a closing opening and a second pressuredetection device body; the rescue device comprises an opening plate, a fixing belt, a sliding umbrella, locking buckles, vertical rods, foldable rods and rotary shafts, and the sliding umbrella is provided with a positioning device and a protective cover. Through arrangement of the detection device, the maintenance device and the rescue device, real-time monitoring and maintenance of the roller coaster and a track are achieved, tourists can rescue themselves, and the life safety is ensured.