109results about How to "Guaranteed observation" patented technology

The invention discloses a method capable of amplifying and tracking a goal in a master-slave mode between a fixed camera and a pan tilt zoom (PTZ) camera and relates to the field of video surveillance. The method capable of amplifying and tracking the goal in the master-slave mode between the fixed camera and the PTZ camera achieves that the goal in an image is quickly amplified and tracked in the master-slave mode. The method includes the steps of building matching relation between view of the wide angle fixed camera and view of the PTZ camera, thereby converting a goal image coordinate found in the fixed camera to a corresponding PTZ control command, controlling PTZ to automatically aiming at the goal to appropriately zoom, and driving PTZ camera by a tracking result of the fixed camera to keep tracking to the goal. The method capable of amplifying and tracking the goal in the master-slave mode between the fixed camera and the PTZ camera has the advantages of being capable of achieving 'what you see is what you get' due to the fact that the goal is directly clicked and selected through the fixed camera with the wide view angle, fast in response speed of a user, simple and convenient, good in user experience, capable of avoiding difficulties in dynamic tracking to form a reliable solution by adopting the mature static camera goal tracking technology and matching with fixed PTZ camera coordinate mapping steps with high reliability.

The invention discloses a user altitude measurement and virtual reality following method fused with a nine-axis sensor. The method is based on head-worn virtual reality equipment and includes the steps of sensor acquisition, attitude measurement and display. According to the sensor acquisition step, nine-axis data is acquired through a three-axis gyroscope, a three-axis accelerometer and a three-axis magnetometer; according to the attitude measurement step and the display step, a virtual world scene is adjusted through a visual angle matrix. According to the technical scheme, the method has the following advantages that when a user is static, data given by the sensor is zero, and no noise is generated; data of different sensors is fully utilized, and a correct user altitude is obtained; the visual angle of the virtual world is free of delay and is changed in real time along with the change of the altitude of the user; it is guaranteed that the user can observe the virtual reality world at any angle.

The invention discloses a method for testing microwave dielectric property of a high-loss dielectric substance. According to the method, a small-size sample to be tested is used, and a large-size and low-loss reference sample is introduced, so that the high loss of the sample to be tested is reduced, and the resonance peak is ensured to be observed. According to the changes of the resonance peak of a TE01 delta model when only the reference sample is arranged in a resonant cavity and the reference sample and the sample to be tested are simultaneously arranged in the resonant cavity, and the distribution of an electromagnetic field under the two conditions can be simulated by using finite element analysis, so that the dielectric constant and the dielectric loss of the sample to be tested at the resonance frequency can be obtained. According to the method, the characteristics of high test precision of the microwave resonance method is utilized, and the influence on the distribution of the electromagnetic field caused by the introduction of the sample to be tested, is considered, so that the defects of low precision of other conventional methods can be overcome from the test principle, and the accurate test of the microwave dielectric property of the high-loss substance can be realized. Meanwhile, the resonance frequency is decided by the reference sample with large size, so that the frequency conversion test can be realized by changing the dielectric constant or the size of the reference sample.

The invention discloses a power patrol unmanned aerial vehicle path planning method and a power transmission line patrol method. The path planning method comprises the following steps of S1, dividingan ideal path into a plurality of segments according to the set camera shooting power transmission line coincidence degree, setting a local target point, and deleting the point from a local target point array if the point is occupied by an obstacle to obtain a local target point sequence; S2, detecting whether the obstacle exists between points pi and pi+1 or not, adding pi+1 as a child node of piinto a random tree list if the obstacle does not exist, and planning a path from pi to pi+1 by using RRT if the obstacle exists; and S3, continuously planning a route to the next local target point according to the step S2 from a patrol starting point p0 until a patrol end point pn is reached so as to complete patrol flight path planning of the whole power transmission line. According to the method, a power line patrol task is ensured to observe the whole section of the power transmission line as much as possible, the obstacle can be avoided and crossing of electronic fences is limited.

The invention relates to a stereoscopic fitting method based on kinect feature parameter extraction. According to the invention, a stereoscopic fitting system is mentioned and includes a mobile Kinect camera, a RFID scanner, at least one garment with the RFID label, a garment model parameter database, a human body model parameter database, a central processor, a touch display and a fitting background generator. The method herein includes the following steps: after constructing a garment fitting model and generating a human body original dynamic model, a fitting background generator generating a fitting background; the human body model parameter database generating a human body actual dynamic state model which is matchingly provided with a fitting person real face part image, and obtaining a virtual garment fitting model by the garment model parameter database; the garment model parameter database self-adaptively sleeving the virtual garment fitting model to a corresponding human body actual dynamic state model; the touch display setting the maximum area for deformation when deformation occurs as the virtual garment fitting model is on display and the velocity for deformation of the virtual garment fitting model so as to enable a client to acquire satisfied garments accordingly.

A license management system is provided for computer program applications, which includes an exchange network connecting a plurality of peer-to-peer network servers, wherein at least one network server of the plurality of peer-to-peer network servers acts as a provider server and at least one network server acts as a user server, and each peer-to-peer network server is configured to perform a method, which includes: controlling program installations according to respective license regulations; storing executable program codes to be distributed to requesting servers; generating, storing, and dispatching a metafile including at least license information on licensing conditions for a corresponding executable program code; sending a request for transmission of the metafile for a corresponding executable program code; downloading and storing a metafile; and downloading, installing, and executing the executable program code under the controlling of program installations according to the respective license regulations.

The invention provides a multi-satellite emergency task planning method and device considering instruction injection. According to the method, a plurality of scheduling decision moments are determinedaccording to an observation and control station and a visible time window of each satellite, whether an emergency task is added is judged at each scheduling decision moment, therefore, the added emergency tasks can be timely discovered, and the processing efficiency of the emergency tasks is improved. Available visible time windows of the tasks are screened by use of injection completion time, and therefore it is guaranteed that observation of the relevant tasks is not performed unless injection is completed. When the available visible time windows are selected for the emergency tasks, a completion deadline of the emergency tasks is considered, and therefore it is ensured that the emergency tasks are completed before the predetermined completion deadline. A precise algorithm is utilized to perform task planning on a weighted sum of the emergency tasks and conventional tasks, therefore, a target available time window can be quickly arranged for each emergency task, planning efficiencyand benefit of the emergency tasks can be improved, and the overall task completion rate can be guaranteed.

The invention discloses a biological digital microscope with double ccd (charge coupled device) light sensitive elements and a photographic image processing method thereof, wherein a colour ccd light sensitive element and a black and white ccd light sensitive element are used for collecting image information; the black and white ccd light sensitive element collects a gray scale and integrating optical density information of a specimen cell nucleus; the colour ccd light sensitive element collects a colour characteristic signal of a specimen image; the three-dimensional split joint of a specimen picture is performed by the gray scale of a specimen cell nucleus, the integrating optical density information and colour characteristic signal of a specimen image, so as to form a multi-focal plane holographic three-dimensional image; simultaneously, a film reading conclusion is output according to the integrating optical density information of a cell nucleus; finally a graphics context report of the specimen to be examined is output; therefore the biological digital microscope disclosed by the invention can perform conventional morphological observation for the specimen, as well as can perform digital photographing for the dyed DNA (deoxyribonucleic acid) for forming a multi-focal plane holographic three-dimensional image which is convenient for observing all the information of the cell in a multilayer and multi-focal plane mode; and the accuracy of early diagnosis is greatly improved.

A display processing apparatus and a display processing method displays a lesion color mark displayed as a mark by arranging a vertical line expressed in a color depending on a lesion for each piece of video horizontal in a time series on the display screen for each type of lesion by the display processing apparatus for displaying image information (observation image, thumbnail images, image bar,lesion color mark) about plural pieces of video obtained by capturing with time at a plurality of positions by a capsule endoscope implemented in a test subject as superposing and displaying in an image bar a vertical line expressed by an average color calculated for each piece of video horizontally in a time series on a display screen as a bar.

The invention discloses a hospital self-service terminal system and an intelligent triage management system thereof. The hospital self-service terminal system comprises a self-service terminal, a hospital server and a hospital computer. The hospital server stores inpatient information, receives a signal of the self-service terminal, and responds to the self-service terminal. The hospital computeris connected to the hospital server through an optical fiber and receives data from the hospital server. The self-service terminal scans a hospitalization certificate issued by a doctor and communicates with the hospital server for verification, and a patient handles a hospital admission procedure and selects a ward bed through the self-service terminal. The hospital server is connected to the self-service terminal through the optical fiber, receives the data of the self-service terminal, and manages a personal account of the patient. The self-service terminal reads the information of the personal account of the patient and provides patient information inquiry and printing services. The self-service terminal has a built-in card warehouse and provides distribution, binding and recharge services of inpatient department magnetic cards. According to the hospital self-service terminal system and the intelligent triage management system, the time and energy of the patient are effectively saved, a hospital admission preparation process is simplified, the quick hospital admission of the patient is facilitated, and a complete purchase service of daily necessities is provided for the patient.

The invention discloses a forensic medicine diatom test method.The forensic medicine diatom test method comprises the following steps that sulfamethazine, acrylic acid, acrylamide, N'N-methylene bisacrylamide, ammonium persulfate and deionized water are taken according to a proportion and fully mixed in a beaker; after oxygen is removed with nitrogen, the mixture is poured into a sandwich space formed by two glass slides and then put into an oven at the temperature of 60 DEG C for a polymerization reaction for 3 h, and film-state imprinting hydrogel is prepared; the obtained imprinting hydrogel is soaked in a 10% acetic acid solution, template molecules sulfadimidine in the imprinting hydrogel are removed through ultrasonic oscillation, then the imprinting hydrogel is soaked in a sample to be tested for 5-10 min and then taken out, and then the imprinting hydrogel is put under an optical microscope for observation; diatom on the filter film or a shot picture is checked, classified and counted in a manual recognition mode or an automatic computer recognition mode.The forensic medicine diatom test method is high in yield, efficiency and performance cost ratio, easy to popularize, accurate in qualitative and quantitative analysis and low in labor intensity.

The invention relates to the technical field of camera brackets, and discloses a camera bracket in three-vision micro-vision auxiliary coupling. The camera bracket comprises a stable bottom plate, electric push rods, a connecting groove, a connecting block, a mounting base plate, a driving motor, a screw rod, a fixing block, a sliding chute, a movable block, a threaded hole, a mounting plate, a matching block, a conduction pipe, a sliding block, a fixing plate, an electric telescopic rod, a positioning block, a rotating shaft, a stabilizing plate, a round block and a camera body, wherein two electric push rods are fixedly mounted at the top of the stable bottom plate, and the connecting block is fixedly arranged at the bottom of the mounting base plate. The camera bracket in the three-view microscopic visual auxiliary coupling can ensure that the camera can observe an object; meanwhile, the conduction pipe is arranged at the bottom of the mounting plate, the sliding block performs magnetic coupling sliding on the conduction pipe, so that the movement in the front-back direction of the camera can be better achieved, thus ensuring that the object can be observed in multiple directions when the camera is used so as to improve the performance of the camera during observation.

The invention relates to a pan-tilt pointing and satellite attitude cooperative control method for air moving target tracking, belonging to the technical field of satellite control. The pan-tilt pointing and satellite attitude cooperative control method for air moving target tracking integrates and applies the pan-platform and the pan-platform camera technology in the satellite system for the first time, so that the whole satellite has the tractive situation perception ability to the moving target and the matching on-board real-time response ability to the emergency task, and fully expands thefunction of developing and utilizing the high-mobility remote sensing satellite and the whole satellite resources.

The invention discloses a ray-shielding device for medical personnel. The ray-shielding device comprises a movable base, a support, a fixed protective plate, universal wheels, a first automatic contract roller shutter, a through groove, an active plate, an observing opening, a second automatic contract roller shutter, a first protective device, a first movable base, a first end face gear, a firstgear, a fixing frame, a motor, a second gear, a second end face gear, a second movable base and a second protective device; the ray-shielding device is reasonable and simple in structure and is directly pushed to the needed position through the universal wheels, unfolding operation is conducted until the first protective device and the second protective device are unfolded into the horizontal state, and then a driving motor is started and drives a reel and a reel sleeve to rotate together through the gears to pay off a first protective cloth cover and a second protective cloth cover, so that the lower side of the first protective cloth cover and the lower side of the second protective cloth cover simultaneously move downwards and are unfolded to conduct protection; the medical personnel can watch in real time conveniently through the formed observing opening, it can be effectively ensured that protection is conducted when the observing opening is moved up and down through the arrangedfirst automatic contract roller shutter and the second automatic contract roller shutter.

An observing protector for electron-beam welder features that two strip-shaped protecting sheets in the observing window are installed in gear mechanism and can respectively and horizontally move in the observing window synchronously. When part of protecting sheet is polluted by metal moleculae, turning the gear can move it for normal observation by use of the un-polluted part.

The invention relates to a portable ultrasonic device, which comprises an ultrasonic host, a display screen and a probe module; the portable ultrasonic device is characterized in that both the displayscreen and the probe module are arranged on the ultrasonic host; the end face of the probe module is not lower than the surface of the ultrasonic host; and the probe module keeps signal connection tothe ultrasonic host. In comparison with the prior art which adopts a mode that an ultrasonic host and a probe module get into wired or wireless connection, namely connection by a relatively long distance, the portable ultrasonic device provided by the invention connects the probe module, the ultrasonic host and the display screen into a relatively integral whole body which can be operated by a single hand of a user, so that the user can observe a puncture needle and a probe, and meanwhile, the user can observe images on a display device.

The invention discloses a visual fish passing monitoring system and a monitoring method in a vertical slot type fishway. The monitoring system comprises a vertical slot type fishway of which one side is provided with a movable door, and one side of the movable door is provided with a fish corral; the other side of the vertical slot type fishway is provided with a window frame of which the middle part is made of tempered glass, the tempered glass is in bolt connection with a sensor bolt; one end of the sensor bolt is provided with a sensor group; one side of the window frame is externally connected to an operating room which is internally provided with a gear motor fit to a drive sprocket, and the drive sprocket is fit to a driven sprocket through a chain fit to a camera carrier which is provided with a set of cameras; the sensor group and the cameras are all connected to computers; and in addition, the invention also discloses a corresponding monitoring method. The monitoring system and the monitoring method, disclosed by the invention, can be used for monitoring fish species in the fishway, number of fishes passing through the fishway, and smooth conditions in the fishway in real time, so that convenience is provided for management personnel to know the operation situation of the fishway and dispose in time.

The invention discloses a snorkeling sandwich type water surface floating object fishing overlapped net and belongs to the field of fishing equipment. According to the snorkeling sandwich type water surface floating object fishing overlapped net, after the fishing overlapped net is spread on the surface of a water body, under the action of ball-attached wires, a floating fishing net floats on thewater surface, concealed inverted umbrellas are submerged, dissolving rings are quickly dissolved, and thus the concealed inverted umbrellas are released in time so that the submerged concealed inverted umbrellas can form a temporary concealed fishing net under the water, and matched with the floating fishing net on the water surface, a sandwich-like structure is formed, floating objects are limited between the temporary net under the water and the concealed inverted umbrellas on the water surface, and therefore the fishing difficulty of the floating objects is effectively lowered, and the fishing efficiency is improved. In the process, under the action of through grooves and aqueous-chromic blocks, shoreside fishers can be reminded of the spreading condition of the concealed inverted umbrellas in time through the color changing condition of the aqueous-chromic blocks, and thus fishing is performed in time, and fishing efficiency is effectively improved.

The invention belongs to the field of internal combustion engines, and particularly discloses a device and a method for testing oscillation performance of cooling oil in an internal combustion enginepiston. The device comprises a supporting mechanism, a guiding mechanism, a crank connecting rod mechanism, a power control mechanism, a visual piston and an observation camera, wherein the supportingmechanism comprises a supporting frame, a rotating shaft bracket, a motor bracket and a pedestal; the guiding mechanism comprises a connecting link, a crosshead, a sliding rail and a sliding block, the crosshead is connected with the visual piston by means of the connecting link, the sliding rail is installed in the supporting frame, one side of the sliding block is fixed on the crosshead, and the other side of the sliding block is installed in the sliding rail; the crank-link mechanism comprises a connecting rod, a crank arm and a crank pin, one end of the connecting rod is fixed on the crosshead, and the other end is connected with the crank arm by means of the crank pin; and the power control mechanism drives the piston to reciprocate by means of the crank connecting rod mechanism andthe guiding mechanism, and the observation camera carries out shooting. The device is simple in structure, easy to maintain, high in universality and capable of precisely observing the oscillation performance of the cooling oil in the piston.

The invention relates to an all-dimensional electric control drilling machine and a control method thereof, and belongs to the technical field of coal mine drilling machines. The drilling machine comprises a walking chassis, a drilling main machine and an anchoring system, wherein the drilling main machine and the anchoring system are arranged on the walking chassis. The drilling machine further comprises a control system; the control system comprises a main machine controller and a wireless remote controller; the main machine controller is arranged on the walking chassis and connected with the drilling main machine and the anchoring system; the wireless remote controller is in signal connection with the main machine controller; and the wireless remote controller is adopted for controllingthe drilling machine, an operator observes the conditions of the drilling machine and a hole opening without dead angles, injuries to personnel and damage to equipment due to misoperation caused by blocking of the sight of the operator are avoided, and the production safety is improved.

The invention discloses a turret punch press with a protective shell, and relates to the technical field of turret punch press. The turret punch press with the protective shell comprises supporting columns, a main machine box and an outer bottom plate, wherein the top ends of the supporting columns are fixedly connected with the bottom plate; the middle part of the right side of the main machine box is fixedly connected with a turret block; the top of the right side of the main machine box is fixedly connected with an outer frame; the bottom of the right side of the front side of the outer frame is fixedly connected with a rotary box; a protective door is hinged to the front side of the outer frame; a door lock groove is formed in the left side of the protective door; and the right side ofthe inner wall of the door lock groove is rotatably connected with a first door lock runner through a door lock groove shaft. The turret punch press with the protective shell solves the problem thata protective shell structure adopted by the turret punch press is inconvenient to open and close, effectively improves the convenience of opening and closing the protective door structure of the turret punch press, avoids the use difficulty caused by unfavorable opening and closing of the protective door structure, and greatly reduces the operation error rate of operators.

The invention belongs to the technical field of unmanned aerial vehicle applications, and provides equipment, a system and method capable of simultaneously checking unmanned aerial vehicle position information in a third view angle and observing the unmanned aerial vehicle in a third-party view angle. The equipment comprises a shooting device, a signal receiver, a controller, and a display device, wherein the shooting device is set to shoot the unmanned aerial vehicle in the third-party view angle; the signal receiver is connected with the shooting device and used for receiving image data shot by the shooting device; the signal receiver is further connected with the unmanned aerial vehicle through a wireless network so as to receive a positioning signal sent by a positioning device in the unmanned aerial vehicle; the controller is connected with the signal receiver and used for outputting a signal for judging whether the unmanned aerial vehicle is in a shootable observation range of the shooting device based on the positioning signal about the unmanned aerial vehicle received from the signal receiver and / or the own performance parameters of the shooting device; and the display device is used for receiving a control signal of the controller and photographing data transmitted by the signal receiver.

The invention discloses a tuberculin micro-needle patch as well as a preparation method and application thereof. The tuberculin micro-needle patch is prepared by the following steps: adding a micro-needle raw material solution, which is prepared by mixing tuberculin, a degradable material and sterile water, into a micro-needle template, wherein the concentration of the tuberculin is 20IU / ml to 200IU / ml and the mass percentage of the degradable material is 10 percent to 20 percent; after carrying out centrifuging treatment, removing part of the raw material on a needle hole of a micro-needle; adding a degradable material solution with the concentration of 5 percent to 10 percent; carrying out the centrifuging treatment again; putting the mixture into a drying oven and drying; then de-molding. The tuberculin micro-needle patch disclosed by the invention can be adhered to an adhesive tape and is directly stuck to skin through the adhesive tape so as to replace traditional injector intradermal vaccination; the total content of the tuberculin in the micro-needle patch is 0.05IU. The inoculation operation is simple and convenient and professional persons are not needed; the dosage of medicines is few and a phenomenon that bad skin response is easily generated by an injection skin test is avoided.

The invention discloses an intelligent medium-latitude large-scale buoy observation system and method. The system comprises a buoy body, an overlook section of the buoy body is arranged to be circular, first steel ropes are fixed to the circumferential edge of the bottom of the buoy body at equal intervals, balancing weights are fixed to the bottoms of the first steel ropes, and second steel ropes are fixed to the bottoms of the balancing weights; a locking block is fixed to the bottom of each second steel rope, the outer side of the buoy body is connected with a suspension stabilizing ring, floating balls are fixed to the outer side of the suspension stabilizing ring at equal intervals, a mounting base is fixed to the middle of the upper side of the buoy body, the mounting base is in a circular truncated cone shape, and a supporting column is fixed to the top of the mounting base; and a mounting table is fixed to the top of the supporting column. The buoy body is pulled and limited through the locking blocks, the balancing weights and the first steel ropes, the buoy body can be ensured to be accurately reset when the wind is smooth and quiet, the buoy body can be limited in a moving area, and the phenomenon that the buoy body drifts freely is eradicated.

The invention provides a laser intestine wall penetrating positioner and a low rectal tumor positioning method. The laser intestine wall penetrating positioner comprises a laser intestine wall penetrating positioner lens and a display control system, a supporting point is arranged at one end of a detection rod, a supporting ring is arranged at the other end of the detection rod, a plurality of lasers are arranged in a handle or the detection rod, the front of the detection rod is provided with a laser outlet and a camera, a prism is arranged at the laser outlet, an illumination lighting sourceis embedded into the front of the detection rod, a one end of a lead is connected with a display control system, the other end of the lead is connected with the lasers, the illumination lighting source and the camera, the distance between the laser outlet and the camera is 10-20mm, and the camera approaches to the front end surface of the detection rod as compared with the laser outlet. Accordingto the laser intestine wall penetrating positioner, a tumor is more rapidly searched in a visual environment, the laser outlet is circularly formed, observation of any angle outside an intestinal canal is achieved by a laparoscope, positioning points are appeared in a visual field, the distance between the camera and the laser outlet is known, cross markings on a display are matched, positioningaccuracy can be accurate to + / -2mm, and accurate anus preservation is achieved.

The invention discloses a sand removal treatment system for castings. The sand removal treatment system comprises a sand removal device and a water circulation system. According to the invention, thesand cleaning device is adopted to place a workpiece in the sand cleaning chamber for sand cleaning; therefore, the condition that sand dust flies in the sand cleaning process is avoided; sand and dust falling from the workpiece directly enter the sand collecting box along with water flow to be stored; sand and dust can be prevented from adhering to the surface of a workpiece, the sand removing effect of the workpiece is improved, the sand collecting box is discharged through the sand removing water discharging pipe and recycled to the high-pressure water gun for sand removing after being treated through the water circulation system; therefore, a complete sand removing system is formed, the sand removing effect and efficiency are improved, and cyclic utilization of water and sand is achieved.

The invention discloses an intelligent supernova alarm and observation system. A network real-time monitor monitors information issued by observatories around the world in real time, automatically screens webpages reported by supernova outburst to filter supernova information of new outburst, and inputs the supernova information to a supernova screening subsystem; a supernova screening subsystem screens the supernova which is suitable for observation and calculates the optimal observation moment, an observable time interval and reference exposure time according to supernova position, supernova brightness and geographical latitude and longitude information of stations in the input supernova information and transmits the supernova suitable for observation, the optimal observation moment, the observable time interval and the reference exposure time to an information issuance subsystem; an information issuance subsystem manage the received information and issues the information transmitted by the supernova screening subsystem to a user or directly transmits the information to a telescope; the user controls the telescope for observation according to the content in the information, or uses the telescope to observes automatically and directly based on the received information; and the telescope transmits the observed data to the information issuance subsystem for management.

The invention discloses a manufacturing method of security paper. The manufacturing method comprises the steps of refine pulping, pulp proportioning, paper manufacturing with the pulp, drying, sizing and finishing processing. The paper manufacturing with the pulp step further comprises the steps that first, liquid diffusing media with water as main body are used for diffusing security materials to form a liquid diffusing body; second, the diffusion body is conveyed to the fourdrinier wire surface of a cylinder paper making machine, and then the security materials are dewatered in a vacuum drawing mode so as to be attached to the fourdrinier wire surface to form a first wet paper page; when a second wet paper page attached to a cylinder mould is uncovered from the fourdrinier wire with the strip first wet paper page in an attached mode, the first wet paper page and the second wet paper page are compounded to form a third wet paper page, and the security materials are arranged on the surface of the third wet paper page in a strip mode. The surface of the security paper made through the method contains a strip area formed by the strip wet paper pages, and the security materials are arranged in the strip area. The security materials of the security paper are arranged on the surface layer of the paper and are subjected to the sizing process, and the security materials can be conveniently observed, counted, detected, and identified.

A main hose device of a colonoscope comprises a body consisting of a knitted net tube and a spring tube, wherein the body comprises a front connection part, a middle part and a back connection part; the periphery of the knitted net tube of the middle part is coated with a medical polyurethane layer, and the spring tube of the middle part comprises a front section, a middle section and a back section which are integrated; the pitch P1 of the front section ranges from 1mm to 3 mm, the pitch P2 of the middle section ranges from 1.8 mm to 4.5 mm, the pitch P3 of the back section ranges from 2.5 mm to 6.5 mm, and P2 is larger than P1 and smaller than P3; the Shore hardness A1 of the medical polyurethane layer coating the periphery of the knitted net tube at the front section of the spring tube ranges from 35 to 50, the Shore hardness A2 of the medical polyurethane layer coating the periphery of the knitted net tube at the middle section ranges from 51 to 60, and the Shore hardness A3 of the medical polyurethane layer coating the periphery of the knitted net tube at the back section ranges from 61 to 90. The main hose device has at least three sections with different flexibility, is good in bending performance and convenient to insert and cannot cause injuries to patients easily.

The invention discloses a hydro-gel fireproof head hood capable isolating smoke and belongs to the technical field of fireproof products. The hydro-gel fireproof head hood comprises a fireproof head hood body; a face part of the fireproof head hood body is provided with a face mask; a tippet is arranged around the neck part of the fireproof head hood body; fireproof glasses are embedded into eye positions of the face mask; the nose part position of the face mask is of a two-layer structure and comprises an air permeating layer close to one side of a human body; the outer layer is a high temperature resisting fireproof layer; the air permeating layer is connected with the outer layer through a suturing connecting thread; the rest parts of the face mask are each of a ingle-layer structure, namely the high temperature resisting fireproof layer; excluding the face mask of the fireproof head hood, the rest parts are each of a three-layer structure which comprises an inner layer fireproof cloth lining layer close to one side of the human body; the middle layer is a hydro-gel heat insulating layer; the outer layer is a high temperature resisting fireproof layer; the inner layer is connected with the middle layer through a suturing connecting thread; and the middle layer is also connected with the outer layer through a suturing connecting thread. By wearing the head hood, smoke, dust and poison gases can be effectively prevented, the success rate of escaping is increased, and the head hood can protect the head of a human body from injury caused by a big fire.