66results about How to "Guaranteed to work long hours" patented technology

The invention discloses an intelligent hemostix, which comprises a machine body (1), a blood taking and weighing control device (2), a control system (3) for controlling the work of the blood taking and weighing control device (2), and an information display output system (4) comprising a display screen (42), wherein the control system (3) comprises a central processor (31) belonging to hardware, a data memory (32), a data input device (33) and operation system software for controlling the work of the hardware; the operation system software is embedded with a Chinese character library and Chinese localization software; and the central processor (31) controls that display information output to the display screen (42) is all subjected to Chinese localization treatment. The intelligent hemostix has the advantages that both the display and the prompt of the intelligent hemostix appear in Chinese form, thereby benefiting the identification and operation of work staff; and the intelligent hemostix can abundantly store data; and when the document transmission can not be performed in time, the intelligent hemostix can still ensure the long-time work.

The invention relates to the field of vibration control of a civil engineering structure, in particular to an assembled type current vortex tuned mass damper for a pedestrian bridge and a manufacturing method. A TMD rigidity element is formed by helical compression springs; TMD tuned mass blocks are connected in series through a plurality of steel plates, so that the maneuverability of the tuned mass damper which is artificially assembled is guaranteed; a TMD damping element is formed by a permanent magnet current vortex damper of which the magnetic circuit is optimized, is arranged in a tuned mass block steel plate chamber, and is compact in structure; the distances between permanent magnets fixed on a bottom plate and mass block steel plates are adjusted, so that the adjustment of TMD frequencies is realized. In addition, the integrated design of TMD is slender bar-shaped, the length of the TMD in the span direction of the pedestrian bridge is large, the lateral length of the TMD in the lateral width of the pedestrian bridge is small, and the TMD is conveniently mounted at railings of the pedestrian bridge, so that the influence of the TMD on the function and the appearance of the pedestrian bridge is reduced. The vertical current vortex damper TMD disclosed by the invention has the prominent characteristics of being compact in structure, easy in field assembly, good in durability, convenient to mount at the railings of the pedestrian bridge and the like, and the frequencies can be regulated continuously.

The embodiment of the invention discloses a method, device and facility for controlling the speed of a fan of a storage facility, a computer readable storage medium and the storage facility. The method includes the steps that temperature information corresponding to temperature sensors prearranged on all heating components in the storage facility is obtained; according to the temperature information and contribution weight values of the whole temperature of the storage facility of all the heating components, PWM values corresponding to all the temperature information are calculated, and the maximal PWM value is selected from all the PWM values to serve as the optimal PWM value; the optimal PWM value is converted into a register value of a control chip of the storage facility, the rotatingspeed of the fan of the storage facility is controlled according to the register value, and the linear relationship between the PWM values and the rotating speed is preset for the fan, so that the rotating speed of the fan is controlled by the different PWM values to meet the radiating requirements of the storage facility. According to the technical scheme, the normal radiating requirements of thestorage facility are met, and the stability of the storage facility is improved; continuous high-speed rotating of the fan is avoided, and the service life of the fan can be prolonged.

The invention discloses a laser direct forming bright powder active adjusting coaxial powder feeding nozzle, and relates to the field of additive manufacturing, in particular to a laser direct forming bright powder active adjusting nozzle. The laser direct forming bright powder active adjusting coaxial powder feeding nozzle comprises a laser defocusing amount adjusting mechanism, a connecting sleeve and a powder defocusing amount adjusting mechanism; the laser defocusing amount adjusting mechanism is arranged on the upper portion of the inner side of the connecting sleeve, and the powder defocusing amount adjusting mechanism is arranged on the middle and the lower of the connecting sleeve. The feeding nozzle has the beneficial effects of being novel in structure, easy and convenient to machine, convenient to use, capable of achieving independent adjustment of light spots and powder spots and achieving light spot and powder spot size matching and the like; the novel laser direct forming bright powder active adjusting coaxial powder feeding nozzle integrates economy and practicability.

The invention relates to a mooring-type firefighting aerial reconnaissance platform which comprises a suspended unmanned aerial vehicle firefighting reconnaissance platform, a mooring cable, a cable automatic release and retraction system, a high-voltage power source supply system and a ground control center. A reconnaissance platform control system, a multifunctional sensor obstacle-avoiding system, an unmanned aerial vehicle laser positioning takeoff and landing system, a temperature sensor and a load mounting platform are mounted on the suspended unmanned aerial vehicle firefighting reconnaissance platform, and various firefighting task loads are mounted on the load mounting platform. The high-voltage power source supply system comprises a ground power supply system and an onboard powersupply system, the mooring cable is connected between the onboard power supply system and the cable automatic release and retraction system, and the ground control center is connected with the cableautomatic release and retraction system through an optical cable. The mooring-type firefighting aerial reconnaissance platform can constantly work for 24h, so that working ability is improved greatly.The platform can carry more than 5 firefighting task loads for simultaneous working and can complete various firefighting work tasks, so that functions are expanded greatly.

The invention discloses a symmetric electromagnetic actuator which comprises magnet yoke assemblies, armature assemblies and baffle assemblies. The magnet yoke assemblies and the armature assemblies are connected through leaf springs. The magnet yoke assemblies are movable assemblies. The armature assemblies are static assemblies. The magnet yoke assemblies reciprocate under the action of the armature assemblies to as to control a controlled object. The baffle assemblies are used for limiting the movement of the magnet yoke assemblies. The number of the magnet yoke assemblies is two, the number of the armature assemblies is two, and the number of the baffle assemblies is two. The two magnet yoke assemblies are symmetric, the two armature assemblies are symmetric, and the two baffle assemblies are symmetric. According to the symmetric electromagnetic actuator, actuating force is obviously improved through two sets of electromagnetic structures, and the symmetric electromagnetic actuator is small in size and small in mass and leakage flux.

The invention discloses a data-interactive intelligent battery and an electricity using terminal structure matched with the same in use. The end part of a battery shell is provided with an open part; a positive terminal and an annular negative terminal are arranged inside the open part; an infrared light transmitting annular column body is arranged between the positive terminal and the annular negative terminal; an infrared receiving and transmitting module is arranged at the bottom of the infrared light transmitting annular column body; the electricity using terminal structure extends into the open part of the intelligent battery by a negative annular metal contact part and a positive columnar metal contact part and is in butt joint with the annular negative terminal and the positive terminal of the intelligent battery so as to form power supply connection; a sealed passage for transmitting infrared information is formed between the negative annular metal contact part and the positive columnar metal contact part; digital development of the battery is realized by transmitting digital battery information in the sealed passage; extremely low energy consumption is needed during transmission of the battery information, and the transmission is efficient; interference to the outside and interference from the outside are effectively prevented; high confidentiality is realized.

The invention discloses a broad-spectrum contact type hemostatic medical fungicide and a preparation method thereof. The fungicide comprises the following components in percentage by weight: 5 to 15 percent of povidone iodine, 3 to 10 percent of chitosan, 3 to 10 percent of petroleum jelly for medical purposes, 1 to 5 percent of nonoxinol, and the balance of purified water. After the fungicide is contacted with a wound surface or an affected part, the fungicide can depolymerize and release the contained iodine to achieve the function of sterilization. The product is the broad-spectrum powerful disinfectant, has strong killing effect on viruses, bacteria, fungi and mycoticspore, not only has long constant acting time, but also has small irritation to human skin, greatly reduces pains unbearable for ordinary people, and simultaneously has the function of hemostasis. The fungicide is applicable to skin and mucousmembrane infection, can be directly used for disinfecting graze, and is safe and convenient to use.

The invention discloses a broad-spectrum touch-out medical bactericide and a preparation method thereof. The broad-spectrum touch-out medical bactericide comprises the following component in weight by percent: 5 to 15 percent of povidone iodine, 3 to 10 percent of medical Vaseline, 1 to 5 percent of nonoxynol nonylphenoxy-polyethoxyethanol and pure water. After the broad-spectrum touch-out medical bactericide is contacted with the surface of wound or the afflicted part, the iodine can be depolymerized and released to play the sterilization effect. The broad-spectrum touch-out medical bactericide has the advantages that: the thrill on the tissue is small, the bactericide is applicable to the skin and the mucous membrane infection, the pain and the damage caused by the thrill are greatly reduced compared with other ordinary medicine bactericide, and the bactericide can be directly used for the disinfection and abrasion. The broad-spectrum touch-out medical bactericide is of a broad-spectrum strong sterilization disinfectant and has strong killing effect on virus, bacteria, fungus and mycoticspore. The broad-spectrum touch-out medical bactericide has small thrill on the skin, low toxicity, duration and safe, simple and convenient application.

The invention discloses a joint bearing device for a vacuum vessel. The joint bearing device comprises derricks (2), the vacuum vessel (3), a bottom operating platform (4), guide pins (5) and a mounting base. The mounting base is fixed on the bottom operating platform in the vacuum vessel through the guide pins. Six fulcrums are arranged on the mounting base, and are connected with lifting points on the upper part of the wall of the vacuum vessel through the six diagonal derricks. A heating tape and a plurality of thermal insulation layers are wrapped outside each derrick. The bearing requirements of a product are met in a joint bearing way by utilizing the bottom operating platform and the lifting points on the upper part in the vacuum vessel when the bearing capacity of the bottom operating platform of the traditional vacuum vessel is low. The joint bearing device can work for a long time in a vacuum low-temperature environment, and is successfully applied to a vacuum thermal test.

The application provides a mobile air conditioner and a charging control system. The mobile air conditioner comprises a processor for judging whether the mobile air conditioner meets the charging condition. If the processor judges that the mobile air conditioner meets the charging condition, the mobile air conditioner is controlled to move and establish charging connection with a charging pile, aninput terminal is connected with a compressor through a first circuit, is used for receiving a charging voltage output by the charging pile to drive the compressor to work, and the input terminal isconnected with an adapter through a second circuit. The adapter is used for converting the charging voltage to generate a first voltage and a second voltage, charging a battery of the mobile air conditioner through the first voltage, and supplying electric energy to a low-voltage electric device of the mobile air conditioner through the second voltage. The technical problems that the mobile air conditioner cannot operate for a long time and needs quick charging in the prior art are solved, charging efficiency is improved, and the mobile air conditioner can operate for a long time.

The invention relates to a povidone iodine five-compound disinfectant which comprises the following components in percentage by weight: 5-20 percent of povidone lodine, 0.1-10 percent of medical glycerin, 0.1-2 percent of citric acid, 0.1-1 percent of nonoxynol-10, 0.01-0.1 percent of sodium hydroxide and the balance of water for injection. The povidone iodine five-compound disinfectant can be used for producing povidone iodine compound wipes with different specifications, povidone iodine compound cotton swabs, povidone iodine compound spongy cushions, povidone iodine compound hand-washing brushes and the like; and after the products are specially treated or sterilized, the sterility and the safety of the products are fully ensured, and after being unpacked, the products can be directly used, so that the cross contamination and the infection in an intermediate link are avoided. The povidone iodine five-compound disinfectant has the advantages of small skin irritation, low toxicity, lasting action, and safety and convenience in use; the povidone lodine five-compound disinfectant basically has no irritation to tissues and is used for skin and mucosa disinfection, such as cleaning before operation, operative site and wound disinfection, and skin cleaning and disinfection before and after arterial blood drawing.

The invention discloses a mine conveyor, which comprises a driving device, a support part, a traction part and a tension device, wherein the conveying belt comprises a skeleton, a covering layer and an adhering layer, the covering layer comprises the following components in parts by weight: 12.4 parts of chlorinated butyl rubber, 1.6 parts of ethyltrimethoxysilane, 1.9 parts of oil, 2.8 parts of terpene resin, 2.7 parts of electric conductive carbon black, and 1.4 parts of imidazoline-2-thiol. The mine conveyor has the advantages that the conveying belt has the abrasion-resistant, corrosion-resistant, heat-resistant, cold-resistant and frame-retardant properties, and the mine conveyor is guaranteed to work for a long time.

The invention relates to a hydraulic radiating system, a hydraulic system of a riser suspension device and a radiating method. The hydraulic radiating system comprises a high-pressure loop and a low-pressure loop, wherein the high-pressure loop and the low-pressure loop are respectively connected with a differential hydraulic cylinder, the high-pressure loop comprises a high-pressure energy accumulator, a throttle valve block, a high-pressure overflow valve and a first one-way valve; the first one-way valve is connected with the rod cavity of the differential hydraulic cylinder and connected with rodless cavities of the throttle valve block and the differential hydraulic cylinder, and the other end of the throttle valve block is connected with the high-pressure energy accumulator and the high-pressure overflow valve; the low-pressure loop comprises a low-pressure energy accumulator, a cooler, a hydraulic pump and a second one-way valve, the second one-way valve is connected with the rod cavity of the differential hydraulic cylinder and connected with the low-pressure energy accumulator and the cooler, and the cooler is connected with the hydraulic pump, which is connected with thehigh-pressure overflow valve. According to the invention, the cooling hydraulic oil of the low-pressure loop can enter the hydraulic cylinder and mix with the high-temperature hydraulic oil of the high-pressure loop, and the temperature of the hydraulic oil of the high-pressure loop is reduced.

The invention relates to a screw vacuum pump, in particular to a screw vacuum pump with piston ring sealing structures, and belongs to the technical field of screw pump sealing structures. The screw vacuum pump comprises a pump body, an air exhaust end of the pump body is connected with a front end cover, an air exhaust end of a drive rotor and an air exhaust end of a driven rotor are connected with the front end cover through angular contact ball bearings respectively, and air exhaust end sealing structures are arranged between the front end cover and the drive rotor and between the front end cover and the driven rotor respectively; an air inlet end of the pump body is connected with a back end cover, an air suction end of the drive rotor and an air suction end of the driven rotor are connected with the back end cover through deep groove ball bearings respectively, and air suction end sealing structures are arranged between the back end cover and the drive rotor and between the back end cover and the driven rotor respectively. According to the screw vacuum pump, the mechanical sealing structures re adopted at the air exhaust ends, and therefore cleanliness of the air exhaust end bearings, gears and lubricating oil; at the air suction ends, due to the fact that the inlet pressure is smaller than the atmosphere pressure, piston ring sealing can be adopted as back end cover sealing, and then it is guaranteed that the screw pump can work for a long time.

The invention provides an adjustable power grid monitoring tool which comprises a shooting device, a lifting device and a base. The shooting device comprises a camera, a cloud platform and a device cabin, wherein the cloud platform is fixedly connected at the upper end of the device cabin, transparent protective covers arranged on the outer sides of the cloud platform and the camera, a battery, a wireless transmitting-receiving module, a microprocessor and a memory are arranged in a cavity of the device cabin, and a groove, a sealing cover, a USB and a charging socket are arranged on the outer wall of the device cabin. The lifting device comprises a lifting table, an electric push rod and a sleeve, wherein the lifting table fixes the device cabin through threads, two ends of the electric push rod are fixedly connected to the lifting table and the bottom end of a sleeve cavity. The base comprises two supports, wherein one support comprises inserting rods and loop rods, two supports are clamped in a cross mode, and the sleeve is fixed on the base through a bolt from bottom to top. The whole adjustable power grid monitoring tool is simple in structure, convenient to install, good in adaptability and capable of achieving monitoring of multiple places, greatly reduces the labor cost and improves the working efficiency.

The invention discloses a light-weight belt conveyor, which comprises a driving device, a support part, a traction part and a tension device, wherein a conveying belt comprises a skeleton, a covering layer and an adhering layer, and the covering layer comprises the following components in parts by weight: 14.2 parts of chloroprene rubber, 2.3 parts of calcium carbonate, 1.9 parts of vinyltriethoxysilane, 2.6 parts of asbestos fiber, 1.3 parts of C5 resin and 1.7 parts of p-phenylenediamine. The light-weight belt conveyor has the advantages that the conveying belt has the abrasion-resistant, corrosion-resistant, heat-resistant, cold-resistant and frame-retardant properties, and the light-weight belt conveyor is guaranteed to work for a long time.

The invention provides a light movable illuminating lamp which comprises a lamp shell front cover, a glass sealing ring, a glass lens, a reflecting cup support, a bundling reflecting cup, a reflecting cup insulating pad, a light source aluminum substrate, a lamp shell, a lamp handle, a connecting component, a hose protector, a snakelike hose, a lamp lower shell, a rubber protection pad, a shell protection pad, a rubber soft protection cover and the like. The movable illuminating lamp has the advantages that the lamp shell is connected with a lamp upper shell through the snakelike hose, the snakelike hose can optionally deform and bend, illumination dead corners of the movable illuminating lamp are avoided, the movable illuminating lamp can work by the aid of an external power supply and a self-contained power supply, a storage battery and a charging interface connected with the external power supply are arranged in the movable illuminating lamp, long-time work of the movable illuminating lamp can be ensured, an external power supply port is formed in the movable illuminating lamp, and a temporary power supply can be provided for other small electric appliances.

The invention discloses a mining infrared receiver, comprising a metal shell, wherein the metal shell is coated by a protective coating; and the coating process comprises the following steps: 1) taking the following raw materials in parts by mass: 1.2 parts of 12-hydroxy stearic acid, 0.9 part of propylene glycol methyl ether acetate, 1.3 parts of zinc dihydrogen phosphate sodium fluoride, 2.3 parts of propanediol butyl ether, 1.7 parts of modified diatomite and 8.4 parts of deionized water, and stirring evenly, so as to prepare a coating; 2) cleaning greasy dirt and dust on the surface of the metal shell; 3) spraying a gold coating to the surface of the metal shell; and 4) prebaking the metal shell which is sprayed with the coating at a high temperature. According to the mining infrared receiver disclosed by the invention, the metal shell is coated by the protective coating, so that the metal shell has anti-static, anti-corrosive, heat-resistant and anti-oxidative properties, thus the mining infrared receiver can work for a long period of time.

The invention provides a multifunctional musical instrument teaching player comprising a musical instrument teaching player shell, anti-fall protection cushion devices, a wireless control board device, an external musical instrument board device, a musical score recognition cloth device, a music stand device, a rotating shaft, a dust hood device, and support frame devices. With rotating foot stands, moving shafts, mounting blocks, and adjusting bolts, the player is supported and fixed well, so that the usage and operation become convenient. With a fan-shaped air outlet cap, a rectangular cover, a suction motor, fixed plates, and blades, equipment inside the player can be ventilated and cooled timely, so that the player can work for long time. With end plates, a first-level placing rod, and a second-level placing rod, a musical notation book or other teaching aids can be placed well by cooperation of an adjustable casing tube, a rotation support plate, and a fasting bolt; and the angle can be adjusted to realize teaching conveniently.

The invention provides a vehicle driver protecting method in a toxic harmful gas environment. The vehicle driver protecting method comprises a compartment, a driving cab, a helmet, a pipe, a switch valve and a chemical protective clothing, wherein the helmet, the pipe and the switch valve are arranged in the driving cab; the switch valve can control the compartment to supply gas to the helmet through the pipe; in a normal atmosphere environment, the switch valve is closed, and a driver does not wear the helmet, and relies on air in the normal atmosphere environment to breathe; and a toxic gasfiltrating and ventilating device in the compartment is opened, so that stable positive pressure is formed in the compartment, the switch valve is opened, the driver wears the helmet, positive pressure gas in the compartment of the vehicle enters the helmet to form the positive pressure in the helmet and enables the driver to breathe, and the situation that the harmful gas enters the helmet can also be avoided. Through the adoption of the vehicle driver protecting method disclosed by the invention, the problem that stable positive pressure protection cannot be formed in a driving cab of a conventional vehicle is solved, and the situation that the driver wearing a cumbersome pneumatic breathing machine enters the toxic harmful gas environment is avoided.

The invention discloses a bridge drainage system, which comprises a bridge body, bridge drainage pipelines and vertical drainage pipes. Vertical bridge columns are mounted below fixing columns which are mounted below the bridge body, bridge protective fences are mounted above the bridge body, the bridge drainage pipelines are mounted in the bridge body, and spiral devices are mounted in the bridgedrainage pipelines. The vertical drainage pipes are mounted below connection pipes which are mounted below the bridge drainage pipelines, and drainage system fixators are mounted outside the verticaldrainage pipes. By mounting of filter windows in the bridge, water-insoluble blocks can be filtered out and prevented from blocking the pipelines; by mounting of the spiral devices in the pipelines,water flow direction and speed can be changed, water flow impact is reduced to protect the pipelines from being damaged by strong water flow, more cost is saved, and service lives of the pipelines ofthe drainage system are prolonged.

The invention discloses a mining use infrared ray emitter; the mining use infrared ray emitter comprises a metal housing; the metal housing is coated with a protective coating layer; the coating technology comprises the following steps: 1) fetching 1.1 mass percent of tert-amylphenol, 0.7 mass percent of methyl methacrylate, 1.9 mass percent of aluminum polyphosphate, 2.1 mass percent of silicon dioxide, 1.3 mass percent of phenolic resin, and 13.8 mass percent of deionized water, uniformly stirring to obtain the coating; 2) cleaning oil dirt and dust on surface of the metal housing; 3) spraying the coating onto the surface of the metal housing; 4) high-temperature pre-baking the metal housing which is sprayed with the coating. The metal housing of the mining use infrared ray emitter is coated with the protective coating layer, thus enabling the metal housing to have abilities of anti-static, anti-corrosion, heat-resisting, and oxidation resistance, thereby ensuring the mining use infrared ray emitter to work for a long time.

The present invention relates to a laser spectrum telemetry early warning unmanned aerial vehicle and positioning method for an integrated pipe gallery, and solves the problem that the prior art can monitor and give early warning on the urban underground pipe gallery, though cannot implement dynamic monitoring and early warning process in a timely and efficient manner.The system comprises a main body of the unmanned aerial vehicle, a gas monitoring module, a communication module, a positioning unit and a charging unit disposed on the main body of the unmanned aerial vehicle; wherein the main body of the unmanned aerial vehicle comprises an unmanned aerial vehicle frame and a flight control device; the flight control device comprises an airborne rotor and a high-speed linear motor, the high-speed linear motor drives the airborne rotor to operate, and the airborne rotor is placed in a convective airborne rotor window on the unmanned aerial vehicle frame; the gas monitoring module is usedto detect gas concentration information, and includes a launching unit and a receiving unit and a data processing unit; the positioning unit comprises a Beidou positioning module and a GPS positioning module; and the charging unit comprises a wireless charging receiver disposed on the unmanned aerial vehicle frame and a wireless charging guiding apron disposed in the pipe gallery.

The invention provides a control system of a cable-stayed bridge cable rope crawling robot, and belongs to the field of robots. The control system comprises an instruction sending terminal and an instruction receiving control terminal. The instruction sending terminal comprises an upper computer, a core controller and a wireless signal transmitting module. The instruction receiving control terminal comprises a wireless signal receiving module and a motion driving module. The upper computer is connected with the core controller, and is used for sending a control signal for controlling the robot to the core controller. The core controller sends the control signal for controlling the robot to the wireless signal receiving module through the wireless signal transmitting module. The wireless signal receiving module transmits the control signal to the motion driving module. The motion driving module comprises a driving unit, a braking unit and a sensor unit. The problems that an existing robot control system is high in manufacturing cost, unstable in circuit and low in operating load, and the braking capacity is reduced and even fails after an existing robot electromagnetic brake is used for a long time are solved.

The invention provides an intelligent inspection and oiling device for an acoustic wind barrier of a high-speed railway. The intelligent inspection and oiling device comprises a guiding platform; an inspection unit which is connected with the guiding platform; an oil injecting mechanism, which is connected with the inspection unit; a control unit, which is connected with the guiding platform and communicated with the inspection unit; and an oil storage structure, which is connected with the oil injecting mechanism through an oil pipe. Compared with the prior art, the intelligent inspection and oiling device for the acoustic wind barrier of the high-speed railway has the following advantages: difficulty in inspection of firmness of the sound barriers of railways is overcome by using a pull rod type high-definition telescopic camera technology, workers can maintain fasteners of the sound barriers (inject anti-rust oil on bolts) and detect firmness of the sound barriers without climbing, and the workers can inspect positions which cannot be approached before.

The invention discloses a belt conveyer which comprises a drive device, a bearing piece, a traction piece and an expanding device. A conveying belt comprises a framework, a covering layer and a bonding layer. The covering layer comprises, by weight, 9.8 parts of butadiene rubber, 1.2 parts of heavy oil, 2.6 parts of oxidized paraffin wax, 0.9 part of antimony oxides, 1.3 parts of hydrogenated cardanol and 0.9 part of methyltrimethoxysilane. According to the belt conveyer, the conveying belt has the advantages of being resistant to rub, resistant to corrosion, resistant to heat, resistant to cold, resistant to flame and capable of guaranteeing long-time working.

The invention discloses an inclined float type siphon type weak reflection optical fiber grating rain gauge, which is characterized in that it comprises a rain gauge cylinder with a base, and the rain gauge cylinder is provided with a funnel for receiving rain, between the inner wall of the rain gauge cylinder and the base There is an inclined support plate between them, and a wedge-shaped inclined float is placed on the support plate. One end of the wedge-shaped inclined float is connected to the base, and the other end is connected to the optical fiber. This end of the optical fiber is the light entrance end. The fixed column is connected to each other, and this end of the optical fiber is the light exit end, and a weak reflection fiber grating is arranged in the optical fiber, and the light entrance and light exit are connected to the optical fiber sensor network, and the rain gauge is also connected with a siphon. The rain gauge and the rain gauge array have low cost, simple network layout, good stability, large measuring range and high precision.

The invention discloses a target positioning and tracking system based on ultrasonic waves. The system comprises a server, a transmitting terminal and a receiving terminal fixed on a target, wherein the transmitting terminal comprises a first wireless transceiving module, an ultrasonic transmission module with at least 3 non-colinear transmission points and a first processor; the receiving terminal comprises a second wireless transceiving module, an ultrasonic receiving module and a second processor; and the server calculates the distance from the transmission points to the target by receiving the uploaded propagation time and propagation speed of at least 3 ultrasonic signals, and solves the control position of the target. According to the invention, the receiving terminal is made into alabel mode and fixed on the target, thus the system provided by the invention is small in size, is convenient to carry, has small energy consumption, and can work for a long time under a condition ofnot changing batteries. Wireless signals are used in the system to serve as a data exchange medium, so that the interference resistance of the system is improved.

The invention aims at providing an electric active sound isolation actuator for an elastic plate. The electric active sound isolation actuator comprises an outer magnetic conducting cylinder, an upper end cover, a lower end cover, a permanent magnet, an upper armature, a lower armature, an upper pulley assembly and a lower pulley assembly, wherein the permanent magnet is arranged between the upper armature and the lower armature and forms a magnetic circuit together with the outer magnetic conducting cylinder. The upper armature, the lower armature and the permanent magnet are clamped by the upper pulley assembly and the lower pulley assembly and are fixed through bolts to form a mover part of the actuator. The upper end of the mover part is provided with a plate spring, and the outer end of the plate spring is arranged between the upper end cover and the outer magnetic conducting cylinder. The upper end cover is arranged at the upper end part of the outer magnetic conducting cylinder, the plate spring is fixedly arranged between the upper end cover and the outer magnetic conducting cylinder, and the lower end cover is arranged at the lower end part of the outer magnetic conducting cylinder. An upper coil and a lower coil are respectively wound on the inner wall of the outer magnetic conducting cylinder according to opposite directions. The electric active sound isolation actuator is compact in volume, large in output force and relatively high in work efficiency; and the mounting time and debugging time during control are shortened because the electric active sound isolation actuator can be used by only switching on a power source while being mounted.