56results about How to "Easy for emergency use" patented technology

The invention provides an inflating device for operation in a shoal environment. The inflating device comprises an air cushion body, an inflating pipe, an inflating and deflating machine and an inflating valve cap. The air cushion body consists of an upper rectangular air cushion outer layer, a lower rectangular air cushion outer layer and reinforcing sheets adhered between the upper and lower rectangular air cushion outer layers which are identical in shape. The air cushion body is adhered and partitioned into a plurality of air chambers which are identical in shape and arrayed closely by the reinforcing sheets, and each two adjacent air chambers are communicated. An inflating valve is optionally arranged on one of the two outmost air chambers in the array direction of the multiple air chambers. The inflating and deflating machine is connected with the inflating valve through the inflating pipe and used for inflating the air chambers or pumping air from the air chamber through the connected inflating pipe. After inflating / deflating of the air cushion body is completed, the inflating valve cap is mounted on the inflating valve to seal the air chamber. The inflating device is capable of floating on a shoal, changeable in length according to practical needs, high in air tightness and pressure bearing capacity and convenient to maintain.

The invention discloses a low-temperature self-heating high-temperature heat dissipation lithium battery and a control method and belongs to the technical field of lithium batteries. The low-temperature self-heating high-temperature heat dissipation lithium battery comprises a box body; a battery mounting plate is arranged at the lower end of the inner wall of the box body; at least seven coiled pipes are arranged at the top of the battery mounting plate; every two adjacent coiled pipes are communicated with each other; single batteries located on the inner sides of the coiled pipes are arranged at the top of the battery mounting plate; single battery temperature sensors are arranged in the single batteries; and a fan located below the battery mounting plate is arranged on the left side ofthe box body. The heat dissipation effects of most of existing lithium battery packs are emphasized; and in some cold areas or cold time periods in winter, due to the fact that an external environment is low, the working environment of the lithium batteries is low, the existing lithium batteries are not provided with temperature adjusting devices, and as a result, the temperature of the batteriesis too high or too low, and the lithium batteries are prone to being damaged. However, with the low-temperature self-heating high-temperature heat dissipation lithium battery and the control method of the invention adopted, the above problem can be solved.

The invention relates to a pedal-type fitness bicycle with a multipurpose charging power supply box. The pedal-type fitness bicycle consists of a pedal-type fitness bicycle device and a charging power supply box device; the pedal-type fitness bicycle device comprises a frame, a gear case, a handlebar, a cushion and a pair of pedals; a dynamo, a gear speed change mechanism with a high-speed gear shaft, and a transmission shaft are arranged in the gear case; the transmission shaft is connected with a mainshaft of the dynamo through the high-speed gear shaft; the high-speed gear shaft is also provided with a flywheel; the rear part of the gear case is provided with a power supply output port of the dynamo; the charging power supply box device comprises a box body, an accumulator, a rectifier, an inverter and a solar cell plate arranged on the box body; and the box body is also provided with an input port and an output port of the charging power supply box. The pedal-type fitness bicycle has simple structure, convenient use and functions of fitness, power generation and energy storage, and can generate electrical energy by utilizing physical energy, charge the accumulator for energy storage through the solar cell plate or a commercial power supply, thereby saving energy and facilitating utilizing the electrical energy.

A sea temporary floating table is mainly formed by a sea floating channel formed by light rectangle floating block units with strong stress frames, a floating platform connected with the channel and a storage drawing device. The invention is characterized in that the floating blocks are combined via leaf, hook and cable, to form the floating channel and platform quickly. The invention can be used in sea construction and rescue with low cost.

The invention discloses a water and fertilizer irrigation system. The system comprises an on-site sensing module, a cloud side, a material filling device and an irrigation vehicle. The on-site sensingmodule is used for collecting soil moisture data, soil nutrient data, weather data and plant image data, all of which serving as sensing data, of a to-be-irrigated area and uploading the sensing data; the cloud side is used for receiving the sensing data, performing data analysis according to a preset analysis model and sending corresponding execution tasks to the material filling device and theirrigation vehicle according to an analysis result; the material filling device is used for automatically making the irrigation vehicle filled with water and fertilizer according to the execution tasksent by the cloud side; the irrigation vehicle is used for performing water and fertilizer irrigation on plants in the corresponding to-be-irrigated area according to the execution task sent by the cloud side. The system is dedicated to unmanned and intelligent water and fertilizer irrigation and management, the water and fertilizer state of soil where the plants are planted and the plant healthstate can be remotely supervised effectively in real time by utilizing the cloud side to analyze the real-time sensing data, and targeted emergency measures are taken according to each state, so thatthe plant growth conditions are improved, the survival rate is increased, the appearance is improved, and economic benefits are guaranteed.

The invention discloses a three-dimensional image detection system and device, an imaging method and a lung detection device. The three-dimensional image detection system comprises an X-ray receiver,an X-ray source, an imaging scanning device and an X-ray data collection device, wherein an X-ray beam emitted by the X-ray source penetrates through a detected object, and is directed at the X-ray receiver; the X-ray source is driven to move and rotate, so that the X-ray beam penetrates through the detected object at different angles of a first direction; the X-ray receiver and the X-ray source are driven to rotate synchronously in a second direction perpendicular to the first direction, so that the X-ray beam rotates in the second direction perpendicular to the first direction; and the X-raydata collection device is configured to drive the system in a computerized tomography mode, and multiple X-ray projected images are generated in multiple selective positions of the detected object bythe X-ray beam emitted by the X-ray source so that a three-dimensional reconstructed image of the detected object can be generated through processing. By means of a lung imaging system, effects of simple operation, easy carrying, easy protection, low radiation and the like are achieved.

The invention provides a double-bypass large-power light modulation controller. The controller is provided with a single-chip microcomputer master control module, and a power conversion module, a bus communication control module and a light modulation output driving module connected to the single-chip microcomputer master control module; the light modulation output driving module is connected with an external light modulation load, and is provided with a relay output driving unit and a light modulation driving unit connected to the single-chip microcomputer master control module as well as a double-bypass output unit connected to the relay output driving unit and the light modulation driving unit; and a bypass light modulation control unit is adjusted into a silicon controlled rectifier light modulation mode or a relay protection mode according to practical light modulation load requirements. The double-bypass large-power light modulation controller can be switched between the silicon controlled rectifier light modulation mode and the relay protection mode via the double-path light modulation circuit, and the relay can be used for direct control when a silicon controlled rectifier is broken or the light modulation load does not include a light modulation chip, and the application range is wider.

The invention relates to a water tank for a double-capacity water heater. The water tank comprises a shell, a heat-insulating layer, phase-changing heat capacity materials, a first heat exchanger and a second heat exchanger, wherein the first and second heat exchangers are uniformly wrapped by the phase-changing heat capacity materials in the shell; the heat-insulating layer is uniformly distributed on the outer layer of the shell; the first heat exchanger is connected with a water path; the second heat exchanger is connected with a heat collector (such as an output pipeline of a solar heat collector or a heat pump heat collector) or an auxiliary heater is arranged in the water tank; or the second heat exchanger is connected with the water path and the first heat exchanger is connected with the heat collector; and the heat exchange is carried out by the two heat exchangers in the phase-changing heat capacity materials. The heat storage capacity of the water tank provided by the invention is above 4 times that of the water tank in the same volume; generally, the materials and the costs of the water tank are saved; convenience is brought to the mounting of solar equipment; an outer shell and an inner shell of the water tank for the double-capacity water heater both need not bear the pressure; and after hot water is received from the water path, the hot water is immediately drained after being boiled.

The invention relates to a tire inflation leak-repairing agent which adopts a water-based acrylate adhesive as the main leak-repairing agent, and tetrafluoroethane and hexafluoropropane as a main air inflation agent. The tire inflation leak-repairing agent comprise a liquid component (1) and a gas component (2) by mass percentage, wherein the liquid component (1) comprises 17%-63% of the water-based acrylate adhesive, 2%-23% of C1-C5 alcohol, 1%-28% of glycol ether, 1%-9% of a nonionic surfactant, 0.02%-0.1% of nipalgin, and the balance of water; the gas component (2) can be a mixture of the following constituents: 15%-100% of the tetrafluoroethane, 0%-80% of the hexafluoropropane, and 0%-30% of propane, butane or propane and butane. According to the invention, an aerosol cans is adopted to pack a product, and the mass ratio of the liquid component to the gas component is 1 to 1-3.

The invention discloses a casement window with an emergency ventilation function for a kitchen, and relates to the technical field of windows. The casement window comprises a window frame and a window sash, wherein the window frame is fixed to a wall body, the window sash is hinged to one side of the window frame, an extension part is arranged on the inner side of the window frame on one side of the window sash, a mounting groove which is used for mounting the window sash is formed in the inner side of the window frame on one side of the extension part, a liquid passing cavity is formed in the extension part, a liquid injection connector is connected to the middle of the bottom end of the window frame at the liquid passing cavity, a liquid spraying pipe is connected to one side of the top end of the window frame at the liquid passing cavity, and an air inlet cavity is formed in the top end of the window frame. According to the casement window, a water drain pipe is arranged at the bottom of a counterweight container, and a liquid level sensor is installed in the counterweight container, so that water injected into the counterweight container can be drained after emergency use, the counterweight container can be automatically reset after weight is reduced, the weight of the counterweight container can be kept within a falling weight threshold interval after the counterweight container is reset, repeated emergency use is facilitated, and the efficient stability of repeated use can be kept.

One left hand controlled speed regulating handlebar is increased to electric bicycle to limit the starting power consumption, increase the running mileage after once recharging and increase the service life of accumulator. The left hand controlled speed regulating handlebar is the same as one right hand controlled speed regulating handlebar principally, but has only one half of the controlled voltage. The left hand controlled speed regulating handlebar is applied mainly for the initial speed regulating control within the motor power of one half the maximum power, and after the speed reaches 5-10 KPH, the right hand controlled speed regulating handlebar is replaced for speeding.

The invention discloses a traffic police robot device, which includes a base, and the base is fixed on the road by expansion screws. The invention replaces the traffic police on duty at road transit intersections with a simple robot, which can work uninterrupted for 24 hours and assist in traffic management. The robot is driven to rotate by rotating the drive motor. The right and left robotic arms are driven by the motors installed in the robot to make traffic indication gestures, and the traffic instructions are issued through the broadcaster to maintain order. In addition, a roof is provided for the sunshade and rain of the robot. At the same time, there are four direction traffic lights and a surveillance camera under the ceiling, which also have the function of conventional traffic lights. There is also a backup power supply in the shell, which is convenient for emergency use; at the same time, the base is fixed on the road by expansion screws, and the bottom is set. Casters with locks; easy to move after removing the expansion screws; in addition, the housing is equipped with a touch screen for traffic maps or publicity, which is convenient for citizens to use.

The invention discloses a respiratory support device disinfection device comprising an internal gas way of the respiratory support device, and a one-way on-off valve, an ozone module, a turbine, a temperature sensor, an ozone concentration sensor, a two-way on-off valve, an emergency gas vent and a heating unit which are arranged in the internal gas way of the respiratory support device. The invention also discloses a respiratory support device disinfection method. Compared with the prior art, the respiratory support device disinfection device and disinfection method have better disinfection effect, less risk and better user experience.

The invention belongs to the technical field of fire disaster science and firefighting and particularly relates to an oil pumping system for an oil storage tank. The oil pumping system comprises the oil storage tank, an auxiliary oil storage tank, pipelines, fire extinguishing devices and an oil suction pump, the two or more fire extinguishing devices are in series connection, and explosion-prooffire retardance valves are arranged on input end pipelines and output end pipelines of the fire extinguishing devices and pipelines between the adjacent fire extinguishing devices correspondingly; each fire extinguishing device comprises an oil storage trough and a fire extinguishing row arranged at a trough opening in the upper part of the oil storage trough, the fire extinguishing rows communicate with a firefighting water pool through a water supply pipe and a firefighting water pump, the positions of all the oil storage troughs are sequentially lowered in the direction away from the oil storage tank, the oil storage tank discharges oil to the oil storage troughs through the pipelines, and when the oil quantity in the oil storage troughs approaches to the one-second height, the oil suction pump is started to pump an oil product into the auxiliary oil storage tank. The technical requirement that the oil product in the oil storage tank suffering from the fire disaster is pumped and transferred to the other safe oil storage tanks in time can be met, burning of the other oil storage tanks is avoided, and the pumping process is safe and reliable.

The invention discloses a logistics transportation device with a waterproof function. The logistics transportation device with the waterproof function comprises a base; the right side of the top of the base is fixedly connected with a side plate; a chassis is fixedly mounted on the right side of the side plate; a partition plate is fixedly mounted within the chassis; a motor is fixedly mounted within the chassis and above the partition plate; the bottom end of an output shaft of the motor runs through the partition plate and extends to a position under the partition plate; and a first bevel gear is fixedly mounted at the bottom end of the output shaft of the motor. The invention relates to the technical field of logistics transportation. According to the logistics transportation device with the waterproof function, the rainwater on the front face can be shielded by using a first waterproof plate, a second waterproof plate and a third waterproof plate, which surround the three surfaces,so as to prevent cargoes from getting wet; the first waterproof plate, the second waterproof plate and the third waterproof plate sleeve each other and can be folded to save space while not in use; acanopy can be hung at the tops of the first waterproof plate, the second waterproof plate and the third waterproof plate by using hanging hooks to stop the top rainwater; ropes can be hooked at the tops of the first waterproof plate, the second waterproof plate and the third waterproof plate to bind the cargoes; therefore, the logistics transportation device with the waterproof function is convenient to use.

The invention discloses a plateau high-altitude oxygen production device, and belongs to the technical field of oxygen production equipment. The device comprises an outer housing, an oxygen enrichmentmechanism, an air compression mechanism, an air purification mechanism, an oil removal mechanism and a classified oxygen taking mechanism. An air purification cavity and an oxygen enrichment cavity are formed in the outer housing. Four self-locking universal wheels are arranged at the bottom of the outer housing, a pull ring is arranged on the outer housing, and a control panel is arranged on theside wall of the outer housing. The classified oxygen taking mechanism comprises an oxygen storage box, a partition plate and a base, wherein the partition plate divides the interior of the oxygen storage box into a humidifying cavity and an oxygen conveying cavity; and an oxygen discharging pipeline and an oxygen conveying pipeline are arranged on the outer housing. According to the plateau high-altitude oxygen production device, purification, compression, cooling, oil removal and oxygen production can be conducted on air, so that a user can select dry oxygen or wet oxygen according to the conditions of the user; and the oil removal mechanism can remove oil from compressed gas in the oxygen enrichment cavity, and the oxygen is stored in the oxygen conveying cavity and the humidifying cavity at ordinary times and can be directly used when needing to be used.

The invention relates to a solar heat collector which is provided with an upper collecting pipe, a lower collecting pipe, a liquid draining pipe and a liquid feeding pipe, wherein the upper collecting pipe is horizontal; the bottom of the lower collecting pipe is horizontal; the liquid draining pipe is connected with one end of the upper collecting pipe; the liquid feeding pipe is connected with one end of the lower collecting pipe at bottom; a metal heat collecting plate with a densely arrayed inner runner is arranged between the upper collecting pipe and the lower collecting pipe; the inner runner of the metal heat collecting plate is communicated with the upper collecting pipe and the lower collecting pipe; uniform fine pipes are arrayed in the inner runner of the metal heat collecting plate; and the section areas of the fine pipes are 3.5-6 square millimeters. A solar water heater is connected with a water tank of a double-capacity water heater. The efficiency of the solar heat collector with an aluminum plate structure is high and is 20% higher than the efficiency of a common heat collector. The heat storage capacity of the water tank of the solar heat collector is above 4 times that of the water tank in the same volume. The materials and the costs of the heat collector and the water tank of the solar water heater are saved.

The invention discloses a medical oxygen inhalation device. The device comprises an oxygen generator and an oxygen inhaler, the oxygen generator comprises an air compressor, a nitrogen removal box, amolecular sieve adsorber, a condenser and a gas-water separator which are sequentially arranged inside from bottom to top, the air compressor, the nitrogen removal box, the molecular sieve adsorber, the condenser and the gas-water separator are sequentially communicated, an oxygen bin is arranged on the oxygen generator, the oxygen bin is connected to an oxygen outlet pipeline, the oxygen outlet pipeline is controlled by a control switch, the oxygen outlet pipeline is connected to the detachable oxygen inhaler, the oxygen inhaler is provided with a connecting oxygen conveying connector and anoxygen conveying switch, and the oxygen conveying connector is connected into a nasal cavity of a human body through an oxygen conveying pipe. The device is reasonable in design, simple in structure,beneficial to successful independent use of the oxygen inhaler and the oxygen generator, capable of being used in a combined mode and more convenient to use according to actual conditions.

The invention provides a charger, a mower and a charging control method. The charger comprises at least two charging interfaces and a control assembly, wherein each charging interface and a battery assembly connected with the charging interface form a charging loop; each charging interface has a corresponding priority level and at least one level state corresponding to the priority level; and thecontrol assembly sequentially controls the corresponding charging loops to work according to the priority level sequence so as to charge the corresponding battery assemblies to the corresponding levelstates, and then sequentially controls the corresponding charging loops again according to the priority level sequence so as to charge the corresponding battery assemblies to the next corresponding level state, and so on until all the battery assemblies are in a full-charge state. Compared with the prior art, the charger provided by the invention can carry out intelligent step-by-step charging ona plurality of battery packs according to the priority, so that the electric quantities of the plurality of battery packs are matched with each other, and the plurality of battery packs are facilitated to cooperatively supply power to equipment.

The invention discloses a decorative lamp. The decorative lamp comprises a shell. A circuit board is arranged in the shell. An LED lamp is arranged on the circuit board. The shell comprises a lower cover. A battery bin is arranged on the lower cover. A battery electrically connected with the circuit board is arranged in the battery bin. A battery pressing block is arranged on the battery bin. A pressing block enclosing bone is arranged on the battery pressing block. The battery pressing block is fixedly connected with the lower cover. The battery is pressed, limited and fixed through the pressing block enclosing bone. The battery can be well fixed in the battery bin due to the arrangement of the battery pressing cover, and the battery is prevented from waggling effectively, so that the usability of the battery is well guaranteed, and the battery is used more safely and reliably.

The invention discloses disposable handcuffs. The disposable handcuffs comprise a fixing sleeve and clamping belts. The clamping belts are symmetrically arranged at the two side edges outside the fixing sleeve. Fixing heads are symmetrically arranged at the two side edges inside the fixing sleeve. Each fixing head is internally of a hollowed-out structure. The side edge, close to the correspondingclamping belt, inside each fixing head is provided with a pressing tongue. The side,, close to the inner wall of the fixing sleeve, of one side edge outside each fixing head is provided with a connecting block. The portions, at the connection positions of the fixing sleeve and connecting blocks, of the two side edges outside the fixing sleeve are each provided with the corresponding clamping belt, wherein each clamping belt is matched with the corresponding fixing head. The surface of each clamping belt is uniformly provided with multiple clamping grooves. Inclined bands are arranged in the clamping grooves. The end, far away from the fixing sleeve, of each clamping belt is provided with an insertion head. Each pressing tongue is internally provided with an inclined thread, wherein the inclined threads are matched with the inclined bands. The disposable handcuffs have the beneficial effects that the insertion heads are inserted into the fixing heads, the pressing tongues are matched with the clamping grooves in the surfaces of the clamping belts, and thus locking can be achieved; meanwhile, adjustment can be conducted according to different sizes; meanwhile, the disposable handcuffs are small in weight and convenient to use and is more convenient to carry and use and can be used conveniently by grassroots policemen under emergency.

The invention belongs to the technical field of clinical medicine, and discloses burn and scald injury medicine and a preparation method thereof. The burn and scald injury medicine is prepared from the following raw materials in parts by weight: 15 to 30 parts of radix et rhizoma rhei, 15 to 30 parts of calcite, 10 to 20 parts of gypsum, 20 to 30 parts of rhizoma coptidis and 10 to 20 parts of charred radix sanguisorbae. The modes of traditional Chinese medicine powder grinding and sesame oil blending are used; the medicine proportion in prescription is specified; the effective ingredients ofmedicine are reserved to the greatest degree; the blending and molding of sesame oil is utilized, so that the effective ingredient release is stable and slow; the effects of clearing away heat and toxic materials and relieving swelling and pain are achieved; the ointment can be conveniently stored and can be taken at any time. Through clinical observation for a long time, after the ointment is applied to the afflicted part of a burn and scald injury patient, the red swollen and pain symptoms of a patient with slight burn and scald injury can be obviously relieved or even basically disappear. For a patient with medium burn and scald injury, after the ointment is used, the pain can be fast relieved; water bubbles generated after the injury are eliminated; an obvious promoting effect is achieved on the regeneration of wound skin tissues.

The invention discloses a comprehensive vending machine cabinet capable of providing direct drinking water. The comprehensive vending machine cabinet capable of providing direct drinking water comprises a cabinet body. A cabinet body mark, a touch screen for service selection and payment, a water taking port and a goods outlet are distributed on the surface of the cabinet body, wherein a cold water port, a hot water port and a cup holder for holding disposable paper cups are disposed in the water taking port; a display screen is further arranged on a side surface of the cabinet body; each of the cold water port and the hot water port is sequentially connected to a medical stone filter, a magnetizing filter, a postposed activated carbon filter, a reverse osmosis membrane filter, a compressed activated carbon filter, a preposed granular compressed carbon filter and a PP cotton filter through pipes; the PP cotton filter is connected to an external water source; and a heater is further connected between the hot water port and the medical stone filter. The comprehensive vending machine cabinet capable of providing direct drinking water can provide cold and hot direct drinking water forusers for 24 hours without affecting the selling of other goods in the vending machine, and can be applied to innovation-type cities and scenic spots.

The invention discloses a vertical offshore wind power generation device, which relates to the field of offshore wind power generation, and is characterized in that the vertical offshore wind power generation device comprises a floating platform and a generator, and the floating platform is provided with a wind gathering device for converting transverse wind power on the sea surface into longitudinal wind power through a wind gathering pipeline; the air gathering device comprises an air funnel arranged on the floating platform in the vertical direction, an air gathering assembly which is arranged at the bottom of the air funnel and guides air into the air funnel through a pipeline, and a drainage assembly which is rotationally connected to the top of the air funnel, can rotate along with the air and can guide airflow in the air funnel to move upwards; and a power generation device capable of rotating under the action of longitudinal wind and transmitting kinetic energy to the generator is further arranged in the ventilation barrel, so that the technical effects that the power generation device only bears impact load of airflow in the vertical direction, the stress directions of the power generation device are more consistent, and a power generation part cannot be damaged due to acting force in multiple directions.

The invention relates to a dynamic tunable microstrip antenna used in a complex radio-wave environment and a tuning method thereof. A dielectric sheet tuning part is covered on the whole surface of a dielectric substrate of the microstrip antenna, and an emission signal working frequency band or a resonance point of the microstrip antenna can be selected and fine-tuned by only performing online detection and adjustment on the thickness of the dielectric sheet tuning part; or voltage is loaded at the two ends of one dimension, two dimensions or three dimensions selected arbitrarily from the three-dimensional direction of the dielectric sheet tuning part, and dielectric constants in the corresponding directions can be adjusted in real time by changing the loading voltage so as to enable the dielectric constants to be positioned in a resonance frequency band of the microstrip antenna. A layer of plasma cloud tuning part for simulating an outer-layer spatial environment is further arranged on the dielectric sheet tuning part, and the emission signal working frequency band or the resonance point of the microstrip antenna can be selected and fine-tuned by only performing online detection and selection on the thickness of the plasma cloud tuning part. The dynamic tunable microstrip antenna disclosed by the invention can dynamically tune the working frequency of the microstrip antenna in the complex radio-wave environment and has the advantages of simple structure, convenience in operation, stability in working, low cost, easiness in construction and small volume.

The invention provides a multifunctional mountaineering wear which is characterized in that two gussets are respectively provided with an electronic watch and a mountaineering knife bolt, and a knapsack is connected to the back of the mountaineering wear. Through the arrangement, the mountaineering wear is convenient during mountaineering, can effectively avoid the problems of easiness in dispersion and loss of tools in need and directly influenced in-need effect because multiple devices are directly arranged and connected to the wear, and is convenient when the emergency is met especially because the electronic watch and the knife bolt are attached outside the wear.

The invention relates to a pipeline cutoff device, in particular to a pipeline fast cutoff device. A connecting pipe B (13) and a connecting pipe A (1) are connected with the middle of a valve pipe (30). A penetrating hole (25) of a moving valve rod (23) penetrating in a valve pipe through hole (17) corresponds to a pipe hole A (2) or blocks the pipe hole A and a pipe hole B (12). The two ends ofa spring (18) arranged on the moving valve rod in a sleeving manner abut against the opposite faces of one end of the valve pipe and an expanding ring (22) correspondingly. A hole A (4) of an angle plate A (3) and a hole C (9) of an angle plate B (10) are connected to the two sides of the groove bottom of a clamp groove (27) through pin shafts (32) correspondingly. The opposite faces of a horizontal plate of the angle plate A and a horizontal plate of the angle plate B abut against an extending plate (35) at the inner end of a pull plate (8). A long round groove (6) of the middle part of the pull plate is connected to a middle groove opening of the clamp groove through a sliding rod (33). According to the pipeline fast cutoff device, when a pipeline connector loosens or a pipeline bursts,the pipeline can be fast closed off by pulling the pull plate.

The invention discloses a sterilizing cabinet with dehumidifying and cleaning functions. An ultrasonic cleaning tank is arranged on the lower portion of the sterilizing portion, and a three-layered net-shaped placement rack is arranged on the upper side of the ultrasonic cleaning tank; a temperature sensor, a humidity sensor, a humidity analyzer, ultraviolet sterilizing lamp tubes and an air blower are arranged in a sterilizing cabinet body of the sterilizing cabinet; the air blower is provided with an air inlet and an air outlet; the air inlet communicates to a side wall of the sterilizing cabinet body in a penetrating manner; the air outlet is formed in the sterilizing cabinet body; and the control panel is provided with a display screen, a generator switch for starting and closing an ultrasonic generator in the ultrasonic cleaning tank, a lamp tube switch for starting and closing ultraviolet sterilizing lamp tubes, and an air blowing switch for starting or closing the air blower. The sterilizing cabinet with dehumidifying and cleaning functions has the beneficial effects that air humidity can be detected, air-drying can be implemented through the air blower, the sterilizing cabinet can be sterilized, oxidation corrosion caused by humid is prevented, and the sterilizing cabinet is energy-saving and environmentally friendly, and can be used under emergency.

The invention discloses an external power supply output parameter matching circuit. The problem that idle power adapters, mobile power supplies and the like cannot be used for low-voltage electric appliances due to different output voltages, output powers and output interfaces is mainly solved. The output parameter matching circuit comprises an external power supply, a power supply interface, a power supply, a power supply buck-boost circuit, a state detection circuit, a load and a controller, manually or automatically matches output parameters of the external power supply, and is used for a low-voltage LED lamp, a low-voltage direct-current fan and the like.