82results about How to "Strong mobility" patented technology

The invention discloses an SLAM method through the cooperation of multiple quadrotor unmanned planes based on vision, and the method aims at a plurality of quadrotor unmanned planes, wherein the plurality of quadrotor unmanned planes are respectively provided with a camera for collecting image information and an inertial navigation unit for obtaining an attitude angle and acceleration information of the corresponding unmanned plane, and can communicate with each other. One quadrotor unmanned plane is a main unmanned plane and the others are auxiliary unmanned planes. The main unmanned plane is responsible for completing an SLAM task, and the auxiliary unmanned planes are suspended and stopped at fixed positions and used for the relative position measurement of the main unmanned plane and also used for helping the main unmanned plane carry out real-time positioning correction. The method is mainly used for the autonomous flight of the plurality of quadrotor unmanned planes, facilities the real-time adjustment of position and posture estimation of the main unmanned plane, and improves the accuracy of position and posture estimation of the unmanned plane and accuracy of road sign position. In addition, the auxiliary unmanned plane can be quickly used for compensation and continuously execute a task when an accident happens to the main unmanned plane and the main unmanned plane cannot complete the SLAM, so the maneuverability is good.

The invention provides an all-directional horizontal-posture stair climbing robot. The stair climbing robot comprises a lower table plate and an upper table plate above the lower table plate; at least two sets of lower table plate lifting mechanisms which drive the lower table plate to ascend and descend are arranged below the lower table plate; at least four sets of upper table plate lifting mechanisms which drive the upper table plate to ascend and descend are arranged below the upper table plate. The stair climbing robot is characterized in that the lower table plate and the upper table plate are arranged in a front-back and staggered manner in the horizontal direction; a support rotating plate is arranged between the lower table plate and the upper table plate; rectilinearly-moving units are arranged at the bottom of the support rotating plate; the bottoms of the rectilinearly-moving units are arranged on the lower table plate; a rotating mechanism is arranged on the upper table plate and fixedly connected with the support rotating plate. The invention further provides a posture adjusting method, a zero-radius turning method, a stair climbing method and a rectilinear walking method for the stair climbing robot. According to the invention, the deficiencies of the prior art are overcome; the stair climbing robot can adapt to various ground conditions, can flexibly realize no-radius turning of any angle, and is favorable in maneuverability, simple in structure and ingenious in design.

The invention discloses an intelligent guide system of a vehicle-mounted flight-accompanying unmanned plane. The system comprises an unmanned plane and a master vehicle. An intelligent processor and an image memory are in communication connection. A detection head and a camera are connected with the intelligent processor. The intelligent processor and a secondary wireless transmitter are in communication connection. A primary wireless transmitter and the secondary wireless transmitter are in wireless connection. A microprocessor and the primary wireless transmitter are in communication connection. The microprocessor is connected with a touch display screen. The touch display screen controls the microprocessor. The aerially photographed image of the unmanned plane is wide in visual field and strong in mobility. A parking lot empty parking space detection method, based on the low-altitude aerially photographed image of the unmanned plane, is wide in detection range and fast in updating speed. Meanwhile, the entire system can intelligently detect parking spaces based on multiple techniques. Based on the system, empty parking spaces can be effectively detected, so that the difficult parking problem is solved.

The invention belongs to the technical field of intelligent traffic, and particularly relates to a large-sized parking space detection system based on a solar unmanned aerial vehicle group. The system comprises unmanned aerial vehicles in the air as well as a control center and a display device on the ground; the unmanned aerial vehicles are used for shooting images of ground parking spaces in real time in the air, and transmitting the images to the ground control center; the control center is used for monitoring and positioning the unmanned aerial vehicles, receiving the images shot by the unmanned aerial vehicles, processing and recognizing the images to obtain information of empty parking spaces, and transmitting the recognition result to the display device; and the display device is used for displaying the information of the empty parking spaces in a parking lot. Moreover, the invention further discloses a working method of the system. The system has extremely strong mobility, facilitates real-time quick detection of outdoor parking lots and temporary parking spaces built for large-scale activities, can reduce the construction cost compared with a fixed detection system, can be used in a mobile mode, and has high precision.

The invention relates to atmospheric environment pollution monitoring system and detection method, in particular to a device for acquiring fluorescence spectra generated by the interaction of the short-pulse laser and the atmosphere and the quantitative analysis of the fluorescence spectra. The system comprises a short-pulse laser, a light path part, a fluorescence spectrum acquiring part and a data processing and analyzing part. The system is characterized in that the pulse femtosecond laser sent out by a pulse femtosecond laser device goes into a sample cell via a femtosecond laser focusing lens group and a reflector, the lens group simulates the self focusing by the laser kerr effect, shatters gas molecules to generate multi-photon / tunnel ionization, and sends out nonlinear fluorescence spectra, the spectra are imaged by the lens group and are obtained by a spectrophotometer and a CCD (Charge Coupled Device) by detection, and the spectra respectively go into a sort module and a quantification module after going into a filtering module to be subject to the gas sorting and the quantitative analysis. The invention can carry out the nonlinear fluorescence spectrum analysis on gases of extensive wave bands from infrared to ultraviolet, can simultaneously monitor multiple gaseous pollutants, and has good instantaneity.

The invention provides a smart power grid user access authorization method. The smart power grid user access authorization method includes the following steps that a smart power grid safety connection system is deployed according to the hierarchical structure, after finishing safety connection authorization, a smart electric power terminal sends authority certification information to a connection control assembly, and the connection control assembly conducts computing on the certification information and sends the result to a certification server for role certification and authorization, wherein a remote access layer is the smart electric power terminal, and a connection safety layer is composed of the connection control assembly, an access control assembly and the certification server. According to the smart power grid user access authorization method, relevant certification functions are implemented by the connection control assembly which is used as the third party, the functions of the smart terminal (especially a mobile terminal) are weakened, and therefore privacy information of users can be protected in the authorization process. In addition, appropriate access authorization is conducted according to roles of the users, only access resources which are matched with the roles of the users in the minimum range are open to the users, internal resources are prevented from illegal access to a certain extent, and the safety requirements of a smart power grid are met.

The invention discloses a mooring and cruising multi-mode vertical take-off and landing unmanned aerial vehicle which can execute various flying task modes and can vertically take off and land in a narrow and small space. The mooring and cruising multi-mode vertical take-off and landing unmanned aerial vehicle comprises a fixed wing airframe, a wing, empennages, a horizontal propeller power system, vertical propeller motor systems, supports, a rotor wing airframe, a cable and an effective load part. The mooring and cruising multi-mode vertical take-off and landing unmanned aerial vehicle has the beneficial effects that according to different task requirements, the structure of the aircraft can be changed by disassembling and assembling parts in a short period of time, and the modes adapting to executing the task requirements are selected. When used in a mooring unmanned aerial vehicle mode, the mooring and cruising multi-mode vertical take-off and landing unmanned aerial vehicle which has the beneficial effects of being high in maneuverability, long in hovering time and the like; and when used in a cruising vertical take-off and landing unmanned aerial vehicle mode, the mooring and cruising multi-mode vertical take-off and landing unmanned aerial vehicle has the beneficial effects that efficient cruising flying is achieved, and the mooring and cruising multi-mode vertical take-off and landing unmanned aerial vehicle can hover above a target area and can vertically take off and land in a narrow and small space. When the mooring and cruising multi-mode vertical take-off and landing unmanned aerial vehicle is not used, main parts can be detached to be placed so that the storage space can be saved.

The invention relates to a mother-infant wireless observation system, which is a wearable wireless body sensor network, and comprises wearable body sensor network clothes, a mobile gateway for collecting and processing data and a human-machine interface which can be seen by a computer and a user. Four wireless human-body sensor nodes which measure the health conditions of a mother and a fetus in a real-time manner and record data in a real-time manner are arranged on the body sensor network clothes; and each wireless human-body sensor node comprises an antenna, a transceiver, a microprocessor, a built-in sensor and a battery pack. The mother-infant wireless observation system has the advantages of software and hardware design with low cost and low energy consumption, can be popularized widely and used for a long time, process and analyze the data transmitted back from the human-body sensor nodes and extract important information, and judge the pregnancy complications at the earliest possible time; and by adopting the anti-interference design, radio interference among the sensor nodes and between the sensors and environment are reduced, and the safety of important medical data can be ensured.

The invention relates to the heating field, in particular to a multi-functional water heating machine and a work method thereof. The multi-functional water heating machine comprises a water storage tank, a water pump, a heater, a first water pipe, a heat radiator, a second water pipe, a third water pipe, a mattress, a fourth water pipe and a circuit board, wherein a water filling port is formed at the top of the water storage tank; the water pump and the heater are respectively connected with the circuit board; the third water pipe is arranged in the mattress; the water storage tank and the heater are respectively connected with the water pump; the heater is connected with the heat radiator; and the heat radiator and the third water pipe are respectively connected with the second water pipe. The work method comprises the following steps: in heating, radiating heat by the heat radiator so as to heat a room; heating the room through the heat radiation of the third water pipe; and delivering water evaporating in the water storage tank to the room through the water filling port so as to increase the humidity of the room. The multi-functional water heating machine provided by the invention has multiple functions, and can be used for indoor heating, bedding heating as well as room humidity maintaining.

The invention relates to a rock drilling device for a drill jambo. The rock drill device comprises a rock drilling arm component, a deflection hydraulic cylinder, a pitch hydraulic cylinder and a rock drilling mechanism. The deflection hydraulic cylinder is hinged to a deflection end of the rock drilling arm component to drive the rock drilling arm component to deflect; the pitch hydraulic cylinder is hinged to the deflection end of the rock drilling arm component to drive the rock drilling arm component to pitch; the rock drilling mechanism is connected with a telescoping end of the rock drilling arm component. The rock drilling device for the drill jambo has the advantages of wide working range, high movability, flexibility in operation, high stability and high quake resistance.

The invention discloses a fruit and vegetable producing area precooling vehicle which comprises a precooling boxcar, a precooling vehicle body, an air returning top plate, a return fan, a boxcar inner partition plate, a throttle valve, a condenser, a compressor, an evaporator, a supply fan, an air supplying floor and fruit and vegetable precooling boxes. The precooling boxcar is divided into an air treatment chamber and a fruit and vegetable precooling chamber by the boxcar inner partition plate, the air returning top plate is installed on the upper portion of the fruit and vegetable precooling chamber, the air supplying floor is installed on the lower portion of the fruit and vegetable precooling chamber, and vent holes are formed in the air returning top plate and the air supplying floor respectively; the compressor, the condenser, the throttle valve and the evaporator are connected end to end to form a circulation loop; the supply fan is installed at an inlet of an air supplying channel, and the return fan is installed at an outlet of an air returning channel; the outer surfaces of the fruit and vegetable precooling boxes are provided with vent holes, and the fruit and vegetable precooling boxes are stacked on the air supplying floor in the fruit and vegetable precooling chamber in rows; the compressor is driven by an engine of the precooling vehicle body, and an electric power system of the precooling vehicle body supplies power to the supply fan and the return fan for operation. The fruit and vegetable producing area precooling vehicle has the advantages of being flexible, convenient to operate, rapid in precooling and the like.

The invention discloses a biomedical degradable magnesium-based bulk amorphous alloy and a preparation method thereof. The chemical composition of the alloy is MgaZnbCacSrd, wherein the atomic percentage of a is 60-73, the atomic percentage of b is 22-35, the atomic percentage of c is 2-6, the atomic percentage of d is 0-2, and a+b+c+d = 100. The Mg-Zn-Ca-Sr bulk amorphous alloy has (1) high amorphous forming ability, (2) good mechanical biocompatibility, high specific strength and low Young's modulus, and (3) suitable corrosion rate and excellent biological compatibility. The amorphous formation critical size is 6mm. The biomedical degradable magnesium-based bulk amorphous alloy has a wide application prospect in the field of biological materials, medical equipment and structural materials.

The invention relates to a high-rise escape practicing platform and a high-rise escape practicing method. The platform comprises a practicing environment simulation field, a control system, high-rise emergency escape auxiliary equipment and a firefighting escape knowledge display board, and is additionally provided with a practicing manual of the platform. The practicing environment simulation field is used for truly simulating positions and space of a fire disaster field and a smoke and fire environment; the control system is used for controlling automatic operation and man-machine interaction of firefighting equipment when a fire disaster occurs, guiding escape people and monitoring the integral practicing field and practicing people; the high-rise emergency escape auxiliary equipment is used for assisting the practicing people to escape from a high-rise under special conditions; the escape knowledge display board is used for broadcasting firefighting knowledge mainly including implementation methods of firefighting equipments and escape appliances; and the practicing manual provides a scientific escape demonstration and training method by the aid of the high-rise escape practicing platform.

The invention discloses a substation inspection robot with dual manipulators. The robot comprises an inspection robot main body, a cloud deck camera, an installation bottom disc, two groups of adjustment arms and the manipulators, wherein the two groups of adjustment arms and the manipulators are symmetrically arranged at a left side and a right side of the top of the inspection robot main body bythe installation bottom disc, the cloud deck camera is arranged at a middle position of the top of the inspection robot main body, each adjustment arm comprises a first motor, a first rotation shaft,a first section of arm, a second motor, a second rotation shaft, a second section of arm, a third motor, a third rotation shaft and a third section of arm which are sequentially connected, each section of arm is arranged in the same plane and can freely rotate relative to adjacent sections of arms in the plane, and each manipulator comprises a manipulator rotation shaft, a fourth motor, an installation rack, a first knuckle, a fifth motor, a first pull rod, a first fingertip, a second knuckle, a sixth motor, a second pull rod and a second fingertip. The action capability and the loading forceare high during the substation inspection process, and the robot has the advantages of flexibility and convenience and is convenient and efficient to operate.

The invention belongs to the technical field of aircraft refueling, and discloses a control method of a skid-mounted aviation oil refueling and storing device. The control method solves the problem that a conventional refueling manner is not suitable for a general aviation airport and a general feeder airport. According to the control method disclosed by the invention, the skid-mounted aviation oil refueling and storing device comprises a skid-mounted base, wherein the skid-mounted base is provided with an oil tank, pumps, connecting connectors, filter separators, flowmeters, oil refueling rubber tubes and oil refueling connectors in a matching manner, and the oil refueling connectors are communicated with the oil refueling rubber tubes; a liquid level controller and electromagnetic valves are arranged in the oil tank, the electromagnetic valves are arranged between the flowmeters and the oil refueling connectors, and the liquid level controller and the electromagnetic valves are provided with a controller; an oil receiving pipeline is formed by the connecting connectors, the pumps, the filter separators, the flowmeters and the oil tank through a pipeline and valves. When the oil receiving pipeline receives oil, a liquid level signal and a temperature signal, about the oil tank, which are transmitted by the liquid level controller, are received and displayed by the controller, and when the liquid level of the oil tank rises to a set value, the controller sends a signal and closes the pumps and the electromagnetic valves arranged on the oil tank.

The invention discloses an underground multifunctional trackless fire fighting truck which comprises a truck body, rescue team seats and fire-fighting equipment which are arranged on the truck body, wherein the fire-fighting equipment comprises a hydraulic power system, a foam fire extinguishing system, a nitrogen fire extinguishing system, a dry powder fire extinguishing system and a sand bag fire extinguishing system; the hydraulic power system comprises a hydraulic torque converter, a hydraulic oil tank, a hydraulic oil pump, a hydraulic valve group and a hydraulic motor; the foam fire extinguishing system comprises a foam premixing liquid tank, a foam generator and a telescopic foam gun connected with the foam generator; the nitrogen fire extinguishing system comprises a nitrogen bottle, a nitrogen gun, a four-way joint and a pressure reducer connected with the nitrogen bottle through a first nitrogen conveying pipe; the dry powder fire extinguishing system comprises a dry powder pot and a dry powder gun connected with a dry powder outlet of the dry powder pot; the sand bag fire extinguishing system comprises sand bags arranged below the rescue team seats. The underground multifunctional trackless fire fighting truck is high in maneuverability, complete in function and high in safety and reliability, can guarantee the safety of a rescuer and quickly extinguish a fire in a local area and is convenient to popularize and use.

The invention discloses a biological microbial inoculum culture and adding device for in-situ remediation of micro-polluted water body. The device comprises a stainless steel container, an ultraviolet sterilization system, a microbial inoculum circulatory culture system, a microbial inoculums adding system and a buoyancy stability control system; raw water from a water source is subjected to asepsis by the ultraviolet sterilization system and then flows into the stainless steel container; an appropriate amount of bacterial liquid is added into the stainless steel container at the same time; an additional carbon source is not required in the culture process, and original nutrients in the raw water are fully used as the nutrients required by bacterial culture; dissolved oxygen concentration required by the microbial inoculum culture process is met by starting the microbial inoculum circulatory culture system; the microbial inoculum circulatory culture system accelerates the microbial inoculum culture process through stirring function per se; the microbial inoculums adding system is started to add the biological microbial inoculum into the water body to be treated; and the stability of the device in water is ensured by starting the buoyancy stability control system at the same time. The device has the advantages of compact structure, flexible use, easy movement, investment conservation and the like.

The invention provides a nitrogen injection device and a nitrogen injection method thereof and belongs to the technical field of safe fire preventing and extinguishing of mines. The nitrogen injection device comprises a nitrogen injection tube, a reducer and a bellows, wherein the reducer is fixed on a base of a support at the end of a coal cutter, the end of a round tube at the frontmost end and composing the nitrogen injection tube is connected with first ends of hollow double shafts of the reducer through chucks, second ends of the hollow double shafts of the reducer are connected with the first end of the bellows, the second end of the bellows is connected with a nitrogen source, and the bellows is installed on a guide rail of the coal cutter. The nitrogen injection device enables nitrogen injection points to be always kept at the optimum position of a goaf, the nitrogen injection points are continuous in space, the nitrogen injection effect is good, the problem of waste caused by the fact that the nitrogen injection tube is discarded in the goaf and materials cannot be recovered can be solved, and the nitrogen injection device is strong in mobility and reduces investment cost.

The invention discloses an energy-free automatic drainage machine and a drainage device thereof. The energy-free automatic drainage machine comprises a water holding device, a water valve, a three-way connector, a drainage connecting pipe and a water sucking connecting pipe. According to the invention, the energy-free automatic drainage machine has the advantages of very ingenious and simple design, environmental protection, convenience and better in applicability, has no need for adopting a drainage pump to pump water, can be ceaselessly used for a long time and can be used for long-distance drainage to ensure that environments of a steeper slope and a gentler slope are satisfied, a siphon channel can be rapidly formed and the distance control of siphon operation can be realized; the energy-free automatic drainage machine is suitable for small-scale water drainage and diversion, large pipelines can be adopted on the drainage connecting pipe, the water sucking connecting pipe and the three-way connector to ensure that large-scale water drainage and diversion such as flood discharge, water diversion of reservoirs and rivers and the like can be carried out by utilizing a same principle; and therefore, the energy is greatly saved, the efficiency is greatly increased and the social benefit is greatly improved.

The invention discloses a movable pulverizing all-in-one machine. The movable pulverizing all-in-one machine comprises a pulverizing all-in-one machine body, a first pulverizing area, a second pulverizing area and a pulverizing completion area. The first pulverizing area, the second pulverizing area and the pulverizing completion area are sequentially arranged in the pulverizing all-in-one machinebody from top to bottom. A second motor and a first motor are symmetrically and fixedly connected to the inner side of the left and right walls of the pulverizing all-in-one machine body. A materialfeeding opening of the second pulverizing area is formed in the middle of the top of the second pulverizing area. A material feeding opening of the pulverizing completion area is formed in the bottomof the second pulverizing area. A third motor is fixedly connected to the inner wall of the rear side of the second pulverizing area. Bearings are symmetrically arranged on the two sides, located at the inner wall of the rear side of the second pulverizing area, of the third motor. A second pulverizing straight tooth is fixedly connected to the front end of a rotating rod. Transmission wheels aresymmetrically left and right arranged on the inner surface of the bottom of the pulverizing completion area. Buffer supporting columns are arranged at the bottom of the pulverizing all-in-one machinebody. According to the movable pulverizing all-in-one machine, the pulverizing efficiency is high, the pulverizing effect is good, the movable pulverizing all-in-one machine can be moved to a buildingarea to work, and the safety performance is high.

The invention relates to an anti-riot spontoon with a tire breaker. The anti-riot spontoon comprises a handlebar (1), a spontoon body (2), a connecting cap (3), a glass breaking cover (4), the tire breaker (5) and an elastic pushing mechanism. The front end of the handlebar (1) and the rear end of the spontoon body (2) are fittingly connected with the connecting cap (3) respectively via a thread, the front end of the spontoon body (2) is fittingly connected with the glass breaking cover (4) via the thread, and the rear end of the handlebar (1) is fittingly provided with a tail cover (8) via a thread. The handlebar (1), the spontoon body (2), the glass breaking cover (4) and the tail cover (8) form a closed space. The elastic pushing mechanism and the tire breaker (5) are filled in the closed space, the elastic pushing mechanism is arranged in the handlebar (5), and the tire breaker (5) is arranged in the spontoon body (2). The anti-riot spontoon has the advantages of convenience in carrying and simplicity in operation, the functions of glass breaking and tire breaking and the on-site anti-riot function are integrated, and the anti-riot spontoon is high in reliability.

The invention belongs to advertising cars, and mainly relates to a multifunctional fire drill propaganda car. The multifunctional fire drill propaganda car comprises a carrier car body and a compartment and is characterized in that one side plate of the compartment serves as a double door turned outwards in the vertical direction, a display screen is arranged on the inner side of an upper double door body, a supporting frame is arranged on the outer side of a lower double door body, an air bag, a smoke generator, an air blower and a cabinet are arranged in the compartment, one end of the air bag is connected with the other side plate of the compartment, a simulated fire escape way is arranged in the air bag, is an inflatable rubber escape way and is provided with an entrance and an exit, and a smoke generating opening of the smoke generator and an air blowing opening of the air blower are communicated with the simulated fire escape way. Compared with the prior art, fire drill propaganda equipment and the carrier car body are combined, the multifunctional fire drill propaganda car is high in maneuverability and free of site limitation and can be driven to any place for fire drill training and education, resource sharing is achieved, the propaganda and education effect and the drill training effect are good, and cost can be greatly reduced.

The invention relates to the field of antenna test devices, in particular to a multi-degree-of-freedom antenna test platform. The multi-degree-of-freedom antenna test platform comprises a horizontally-arranged movable mounting plate, the steering bearing sleeves are vertically arranged at the four corners of the lower end of the movable mounting plate correspondingly. Steering rotating shafts arevertically arranged in cooperation with the steering bearing sleeves. The steering rotating shafts downwards extend out of the steering bearing sleeves; steering wheel carriers are arranged at the lower ends of the steering rotating shafts; moving wheels are arranged at the lower ends of the steering wheel carriers through rotating shafts; a moving guide groove is horizontally formed in the middleposition of the moving mounting plate; a driving motor is horizontally arranged at the left end of the movable guide groove; by multi-angle movement, the multi-degree-of-freedom antenna test platformhas good maneuverability; the multi-degree-of-freedom antenna test platform is suitable for a high-strength testing environment, through a spatial multi-angle adjusting structure, the multi-degree-of-freedom antenna test platform can meet the requirement for fixed testing at any angle and any position within a certain spatial range, the testing performance of the multi-degree-of-freedom antenna test platform is remarkably improved, and through a multi-guide structure and coupling power supply, the operation stability and practicability of the multi-degree-of-freedom antenna test platform areremarkably improved.

The invention relates to a multi-carrier multi-electric-quantity transducer in a power plant. A system is composed of antennae, a bluetooth module, a core singlechip, a keyboard, a liquid crystal display, alarm equipment, a carrier module and a carrier channel, wherein, the bluetooth module is connected with the I / O interface of the core singlechip; the antenna receives the information transmitted by a mobile device; the information is input to the core singlechip through the keyboard, and is displayed by a liquid crystal display, when the set quantity value is exceeded, the alarm equipment alarms; the signal output by the core singlechip is a serial output signal; the high-speed information source information is converted into N-path low-speed parallel data streams in the carrier module;the N-path low-speed parallel data streams are modulated by N numbered mutually orthometric carriers; and N-path modulated signals are added to obtain a transmitting signal which is converted into multiple carriers, and the multiple carriers are transmitted into a centralized control room through the carrier channel. The invention has the beneficial effects of lower cost, strong interference resistance, high confidential performance, no needing of frequency application and being beneficial for short-distance electric quantity transducers in the power plant popularized in a large scale and notinfluenced by obstacles.

The invention relates to the field of critical first-aid medical science, and relates to a manually-controlled positive and negative pressure pump comprehensive rescue device, which comprises a positive and negative pressure pump, a blood storage bag and a chest closed drainage bag, wherein the positive and negative pressure pump comprises a pump body, a pump cover, an inlet conduit and an outlet conduit; two ends of the pump body are in a spindle shape; supports with a conical degree are arranged on the upper part and the lower part in the pump body; a pump cover is arranged on the top of the pump body; an inflow channel valve is arranged at the lower end of the pump cover and is connected with the inlet conduit; an auxiliary pump is arranged at the lower end of the pump body; an outflow channel valve is arranged in the auxiliary pump; and the outflow channel valve is connected with the outlet conduit. The manually-controlled positive and negative pressure pump comprehensive rescue device does not depend on an external power supply, generates power by extrusion of hands, can be connected with the blood storage bag and the chest closed drainage bag to recycle autologous blood, can be connected with a liquid / medicine storage bag and a spray machine head to spray and wash wounds and wound ways, and can be connected with a drainage object collection bag to perform absorption under negative pressure, phlegm absorption, gastrointestinal decompression, body cavity drainage and the like, so that a multi-functional comprehensive rescue system is formed.

The invention relates to a method for rapidly measuring the dripping speed of liquid drops of mobile equipment based on deep learning. The method comprises: acquiring an image of a droplet dropping process to construct an image data set, and constructing a droplet image training set and a droplet image test set through image preprocessing and manual marking methods; selecting a binary classification neural network model, and training the binary classification neural network model through the droplet image training set to obtain a trained binary classification neural network model; preprocessing an image acquired by an intelligent terminal to obtain a to-be-detected droplet image; predicting through a trained binary classification neural network model; and if the second dripping state is predicted to be the dripping state, continuously predicting through the trained binary neural network model after a plurality of frames of images are spaced until the next dripping state is predicted tobe the dripping state, calculating to obtain the time length for the interval between two adjacent dripping states, and further calculating the current dripping speed. The drop speed of the liquid drops is measured quickly and accurately, and the measurement efficiency of the drop speed of the liquid drops is greatly improved.

The invention discloses a wall-mounted dustproof router comprising a router shell, router prompt lamps and a router power hole. The front surface of the router shell is provided with router heat radiation holes. The left side of the top end of the router shell is provided with a wall mounting fixing base. Wall mounting suction disc hooks are arranged below the left side of the wall mounting fixing base. The top ends of the wall mounting suction disc hooks are provided with wall mounting suction disc rotating shafts. Hook clamp bases are arranged on the bottom panel of the router. The router can be mounted on the wall by using matching vacuum hooks in installation without occupying desktop position so that installation and detachment are convenient, mobility is high and the space can be saved. Besides, detachable dustproof strips are arranged in the router shell to perform dustproof protection on the internal parts and components of the router. A dustproof clamp plate is arranged on the wiring panel of the router, the clamp plate is closed after network cables are plugged and network cable ports are reserved on the clamp plate so that the rear panel is enabled to be better in integrality, and influencing the network speed caused by the dust entering the ports can be prevented.

The invention discloses a construction method of a drilling device for a complex high and steep side slope. The drilling device comprises a drilling machine support, a drilling machine base and a drilling machine; the drilling machine support comprises a sliding plate, a chassis is arranged on the sliding plate, the front end of the chassis is hinged to the front end of a platform, a supporting component is hinged to the platform and connected with a chassis fastener, and the width of the chassis and the width of the platform are adjustable; and the drilling machine comprises a power distribution system, an air compression system, a gear, a rock drilling component, a soil drilling component, a drill rod and a drill bit. The construction method comprises the following steps of 1, pulling the drilling machine support to a specified position; 2, unfolding and locking the support; 3, adjusting the angle between the chassis and the platform; 4, mounting the drilling machine; and 5, startingdrilling. The device solves the problem that it is difficult to drill in the complex high and steep side slope, can adapt to various rock-soil body stratums, can cope with complex slope surface conditions such as concavo-convex surfaces and flourishing forests, is flexible in action and safe and reliable in performance, and can fully cope with existing complex high and steep side slope reinforcement engineering.