428results about How to "Realize the supply" patented technology

The present invention provides an adjustable volume family energy system utilized by step energy, the invention includes a compressor, a hot water heat exchanger, a four-way reversing valve, an outdoor wind cooling pipe coil, a first check valve, a second check valve, a first electronic expansion valve, a second electronic expansion valve, an air conditioning hot and cold heat exchanger, a gas-liquid separator, a water side electric three-way control way, a first solenoid valve, a second solenoid valve, a first water pump, a second water pump. These parts form a refrigerant loop, a domestic hot-cold water loop, realize refrigerating and hot water supplying, single refrigerating, single hot water supplying, single warm supplying, warm supplying and hot water supplying five modes. The control part of the refrigerant loop only has four-way reversing valve and electronic expansion valve in traditional air conditioning system, does not exist refrigerant potential safety hazard. The function of each system is mainly realized by switch and adjustment of the water side two solenoid valves and electric three-way control way, has a simple control, credible security.

The invention discloses a high-efficiency polishing lathe with flexible self-adapting shape follow-up polishing and grinding performance, which comprises a horizontal conveyor, a reciprocating swing system, a lifting-type self-rotating mechanism and a fixing-type revolution mechanism; wherein, a second motor and a power supply device are arranged on a supporting bracket fixed on a swing beam; the second motor is connected with the center of a rotating table through one end of main shaft for the rotating table; the rotating table is arranged the swing beam; a first motor is arranged on the rotating table through a cylinder and the support; the output shaft of the first motor is connected with a drive shaft connected with a universal flexible coupler; an abrader is arranged at the lower end part of the universal flexible coupler; the first motor also moves upward and downward under the action of the cylinder when driving the abrader to rotate. The invention has an advantage of being widely applied in surface polishing grinding in plate building material such as polished ceramic tile and stone material.

The invention discloses a full-automatic QuECHERS experimental device and an experimental method. The full-automatic QuECHERS experimental device comprises a multifunctional mechanical arm, a cap screwing module, a liquid adding module, a centrifugal module, a salt adding module, a ceramic proton homogenization module, a nitrogen blowing concentration module, a vortex uniform mixing module and anoscillation module, and can automatically complete sample transferring, addition of extraction liquid, extraction salt and ceramic homogenization protons, oscillation uniform mixing, centrifugal separation and vortex uniform mixing actions; A method adopting the full-automatic QuECHERS experimental device to carry out experiments mainly integrates the processes of sample liquid adding extraction,centrifugal separation, solid phase extraction and nitrogen blowing concentration, so that the time is saved, the manual operation is reduced, the automation is improved, and the errors are reduced.

The invention relates to a quantitative supply mechanism for trace medicine liquid, is applied to transportation of medical liquid, chemical reagents and the like, and is particularly suitable for precisely controlling the trace supply of insulin, anesthetic medicine and biochemical analysis reagents. The quantitative supply mechanism for the trace amount medicine liquid comprises a medicine sac (10), a medicine sac piston (11) and a screw rod (3), and is characterized in that a bracket (1) is fixedly installed on the upper end surface of the medicine sac (10); a screw rod nut (2) is movably connected into a hole in the center of the bracket (1); the screw rod (3) is connected with the screw rod nut (2) in a spiral mode; the lower end of the screw rod (3) is connected with the upper end surface of the medicine sac piston (11) in a contact way; a ratchet mechanism is fixedly connected outside of the screw rod nut (2). The quantitative supply mechanism for the trace medicine liquid is reliable in structure and easy to control; trace control and supply of the medicine are realized; by the quantitative supply mechanism, the manufacturing cost is greatly reduced, and the overall device is small in size and convenient to carry compared with the prior art.

The invention provides a distributed cold-heat-power combined supply system, wherein a hydrogen production and hydrogen storage system electrolyzes high-temperature water vapor to generate oxygen andhydrogen; a first fuel cell system utilizes oxygen or air and hydrogen to generate power, and transmits the electric energy generated by the power generation to a micro-grid; a second fuel cell systemutilizes hydrogen or natural gas and air to generate power, transmits electric energy to the micro-grid, and combusts the residual hydrogen or natural gas and air to generate flue gas; an absorptiontype refrigerator utilizes the flue gas and the high-temperature water vapor for refrigeration; a hydrothermal management system educes the heat generated when the first fuel cell system, the hydrogenproduction and storage system and the absorption refrigerator operate and supplies the heat to users in the form of hot water; a renewable energy energy-supply system generates high-temperature steam. The distributed cold-heat-power combined supply system can achieve multi-functional complementation, improve energy supply efficiency and energy safety, reduce fossil fuel consumption, has no defectof large CO2 emission, and can achieve combined supply of heat energy, electric energy and cold energy.

This invention relates to a electro heat coffee cup, specially to a multifunction electro heat coffee cup capable of heating and preserving automatically. The purpose of the invention is to overcome the defect of irremovable heat preservation in present products, provides a multifunctional electro heat coffee cup with built-in rechargeable battery for heat preservation. The batteries can be charged and used for many times. the cup is used after charging, needs no external power during the service, can realize active heat preservation, has two functions of passive heat preservation and active heat preservation, realizes Magnetism Control Trigger Design Without external switch, has corresponding electronic state display, waterproof structure, is easy to clean, profit for shift use with heat preservation, and satisfies the requirement of drinking coffee, milk and tea at home, in business or activities.

The invention relates to an automatic screw locking device with an elastic chuck, which is applied to an automatic assembly line of cell phones and various small-sized digital products and can automatically finish conveying, separating and tightening screws. The device consists of an electromagnetic vibration feeder, a screw conveying trough, a driven separation block slipway cylinder, a spring chuck driven cylinder, a high-pressure air nozzle, a screw conveying hose, an integrated screw chuck and a rotating tool, wherein the cylinder is used for driving a screw separation block to do reciprocating motion and only pushing one screw in the conveying trough into a screw falling mouth on the side face of the separation block; and the screw conveying hose is used for blowing the screws to the integrated elastic chuck by using high-pressure air flow, and the screws are screwed into a workpiece by an electric rotating tool.

The invention discloses a portable air purifier. The portable air purifier comprises a shell, a purifying layer, a regeneration desorption pump, a pressurization absorption pump, a gas separating device and a sucking pump. An air inlet and an air outlet are formed in the shell. The gas separating device is used for separating oxygen and nitrogen. The regeneration desorption pump is arranged on one side of the gas separating device, air which is filtered through the purifying layer is conveyed to the gas separating device for separating the oxygen and the nitrogen under the action of the pressurization absorption pump, the separated oxygen is conveyed to the air outlet under the effect of the sucking pump, and the nitrogen is sucked out from the gas separating device through the regeneration desorption pump. By means of the portable air purifier, the purifying layer is arranged, so that air is purified, due to the fact that the gas separating device is arranged, high concentration oxygen can be supplied, and the air purifier is beneficial to improving the health of human bodies.

The invention discloses a miniature artificial ecosystem experiment device for space base carrying. The miniature artificial ecosystem experiment device for space base carrying can be applied to the study of ecosystem carrying experiments of space bases, such as a lunar base and a mars base, and can be also used for the study of ecosystems in special environments, such as deserts, highlands and arid regions. The miniature artificial ecosystem experiment device consists of small plants (1) with short life cycles, known microorganisms (2), a nutrition supply system (3), environmental control systems (4, 9, 10, 11 and 12) and an image monitoring system (5). Normal growth and metabolism of the small plants (1) and the microorganisms (2) in the system are ensured through the environmental control systems (4, 9, 10, 11 and 12) and the nutrition supply system (3), and the environmental conditions and moisture and gas circulating process in the system are monitored. The image monitoring system (5) can observe the growth situations of the plants (1) in the system in real time and is used for studying the influence of the spatial special environmental conditions (long-time low-dosage radiation, low-gravitation field and low magnetic fields) on the plant growth and the ecosystems.

The invention provides a high-temperature corrosion and erosion testing device of a bent pipe column of an oil well pipe. The high-temperature corrosion and erosion testing device comprises an erosion and corrosion channel, an electrochemical work station and a storage tank, wherein the storage tank comprises a storage tank secondary cavity and a storage tank main cavity, which are arranged in sequence from bottom to top; the upper end of the storage tank secondary cavity is communicated with the upper part of the storage tank main cavity through a connection channel, and a secondary temperature controller is arranged at the bottom of the lower end of the storage tank secondary cavity; the erosion and corrosion channel comprises an erosion and corrosion box body, and the two ends of the erosion and corrosion box body are communicated with the storage tank main cavity through a main pipeline and a main loop respectively; the erosion and corrosion box body is provided with a plurality of sample mounting holes; the main pipeline is communicated with the storage tank main cavity through a gas pipeline and a liquid pipeline, which are arranged in parallel; a gas flow controller and a gas control valve are arranged on the gas pipeline connected onto the upper part of the storage tank main cavity respectively; a liquid flow controller and a liquid control valve are arranged on the liquid pipeline connected onto the lower part of the storage tank main cavity respectively; the upper end of the gas flow controller is connected with the upper end of the liquid flow controller through a communication pipeline and the communication pipeline is provided with a regulating and controlling valve; and the electrochemical work station is connected with a sample.

The invention provides a wind tunnel three-degree-of-freedom model insertion mechanism control system and a wind tunnel three-degree-of-freedom model insertion mechanism control method. The three degrees of freedom are a vertical Y direction, a horizontal X direction and a pitch alpha direction. Displacement sensors are installed in the Y direction and the X direction of a test model, and an anglesensor is installed in the alpha direction; actuators are installed on three degrees of freedom, and driving elements drive the actuators to implement corresponding motions; the degrees of freedom ofthe test model insertion mechanism in the X direction and the alpha direction and the actuators are placed on a horizontal working platform, and are supported by means of Y-direction degree of freedom; an upper computer sequentially packages normal motion sequences of a current test item by item in a form of a motion sequence, processes the normal motion sequences into a form of instructions which can be identified by a PXI controller, and transmits the instructions to the PXI controller; the PXI controller receives and parses the instructions, forms control instructions corresponding to thedriving elements and transmits the control instructions to the corresponding driving elements, receives feedback information of a PXI multifunctional acquisition board card, and feeds back motion in-place information to the upper computer when the execution of the actuators is in place; and the upper computer and the PXI controller enter a standby state after all the motion sequences are completed.

A tire repair device comprises a bottle body for containing tire sealant and a bottle cap deposited at an opening of the bottle body to seal the bottle body; wherein the tire repair device further comprises a tire sealant guiding tube provided in the bottle cap, and the tire sealant guiding tube includes a first tube section extending into the bottle body and a second tube section; a flange is formed on an internal surface of the first tube section; a plug is slidably placed in the first tube section; at least one rib is fixed in the first tube section and is deposited between the flange and the first bottom end. The tire repair device of the present application has a simple structure, is easy to operate, and is cost-effective; besides, the tire repair device can be used either upright or upside-down, which is good for promotion and implementation.

The invention aims at providing a solar distributed point-focusing solar lens tracking system and application thereof. The solar distributed point-focusing solar lens tracking system can be distributed and arranged according to the land conditions of a city region, therefore one group of solar point-focusing utilization systems consists of at least one solar utilization equipment, a solar tracking system, a point-focusing solar lens and a tracking bracket; a plurality groups of solar point-focusing utilization systems are distributed in different regions; and a plurality groups of solar utilization equipment can be mutually connected to form each solar point-focusing utilization system together. The invention can enable the solar slot type solar utilization technology to be suitable for different regions and cities by changing the array mode of the traditional slot type solar system into a distribution mode, thereby lowering the requirements and the limitation for fields; the invention can be conveniently used in different regions and for building integration and also widens the kinds and the modes of solar utilization, thereby being capable of carrying out multiple solar utilizations.

The invention belongs to the field of fluidized bed hydrogenation and particularly relates to a solid fuel fluidized bed near-zero emission hydrogen generating device. In the device, a raw material is fed into a gasification reactor from a feeder to be mixed and collided with a low valent metal oxide to obtain heat to be gasified in an atmosphere of vapor, the higher temperature of the low valentmetal oxide and can promote the further decomposition of gasified tar, a purification and filtration unit and a hydrogen separation unit can divide gases generated by gasification into pure hydrogen and low-hydrogen combustible gases, the low-hydrogen combustible gases are delivered to a fuel reactor through a pipe to be reacted with the metal oxide, the low valent metal oxide is oxidized in an air reactor to form oxygen, and the heat released in oxidization is released to provide heat for the system. The solid fuel fluidized bed near-zero emission hydrogen generating device ensures the circulation of a oxygen carrier among three reactors and, therefore, realizes energy and oxygen supply. High-concentration CO2 can be obtained and further used or buried deeply, so efficiency, cleanness, conservation and utilization of energy are realized.

The invention discloses a multifunctional anti-thrombus foot-drop exercise rehabilitation apparatus. The apparatus comprises a base plate, a fixing base, a motor, a first rotating shaft, a gear, a lifting plate, a gear rack, a counter, a timing alarm clock, a fixing shaft, a rotating plate, a slide rail, a back plate, a first electric push rod, a fixing cover, a stepping motor, a second rotating shaft, a cam, a limit block, a cushion, a bandage, a vibrator, a second electric push rod, a first switch, a second switch and a third switch. The multifunctional anti-thrombus foot-drop exercise rehabilitation apparatus is ingenious in structure and powerful in function, by the adoption of the multifunctional anti-thrombus foot-drop exercise rehabilitation apparatus, not only can effective massage be conducted on the lower limbs of a patient, and therefore the blood circulation is promoted, and the purpose of preventing thrombosis formation is achieved, but also dorsal flexure is conducted on the feet of the patient, and therefore the purpose of preventing and curing foot drop is effectively achieved. In addition, through simple operation, the lower limbs of the patient can move within a certain range, and therefore the apparatus can assist in exercise of the lower limbs of the patient, and finally the patient's rehabilitation effect is effectively improved.

Provided is a food processing cup with an improved vacuum device. The food processing cup comprises a cup body, a handle is arranged on the side wall of the cup body, a cup cover is detachably mountedat the opening of the cup body, the cup cover extends to form a cup cover convex part matched with the handle, a mounting chamber is formed in the cup cover, the vacuum device is detachably mounted in the mounting chamber, an air pumping end of the vacuum device is connected to an inner chamber of the cup body, an exhaust end of the vacuum device is connected to the outside atmosphere, a relief valve is mounted on the cup cover, a release button linked to the relief valve is arranged at the position, corresponding to the relief valve, of the vacuum device, and the vacuum device is electrically connected with the direct current converted by the alternating current through a power connection assembly and a PCB plate; in the structure, the energy is directly supplied to the vacuum device through the converted direct current, the problem that the space is occupied by a battery pack in the cup cover is solved, the size of a food processer can be reduced, the battery use is reduced, the food processing cup is environmentally friendly, the vacuum device adopts detachable design and can be disassembled when vacuum treatment of food is not needed, and the weight of the cup cover is reduced.

The invention discloses low-rank coal quality-improving pyrolysis equipment. The low-rank coal quality-improving pyrolysis equipment comprises a closed kiln with a feed inlet and a discharge outlet. A high-temperature gas pipeline is arranged in the kiln. A low-rank coal propelling and decomposing channel is formed between the high-temperature gas pipeline and the inner wall of the kiln. A decomposed gas collection pipe communicated with the low-rank coal propelling and decomposing channel is arranged on the kiln. The high-temperature gas pipeline is communicated with a high-temperature gas output / input mechanism arranged on the surface of the kiln. The low-rank coal quality-improving pyrolysis equipment has the advantages that the high-temperature gas output / input mechanism arranged on the surface of the kiln is communicated with the high-temperature gas pipeline to enable high-temperature gas to pass in the high-temperature gas pipeline, heat brought by the high-temperature gas is fully absorbed and decomposed by low-rank coal, and fuel gas, tar gas and coal with high heat value are generated in the low-rank coal propelling and decomposing channel through decomposition.

The invention relates to the field of advertisement marking tools, in particular to an electricity-saving LED advertisement indicator. The electricity-saving LED advertisement indicator comprises an installing base, an adjusting system, an LED displaying system, an electricity saving system and a driving system; the installing base can be connected with the ground through foundation bolts; the adjusting system is connected with the installing base; the LED displaying system is installed above the adjusting system; the driving system is located above the LED displaying system and connected with the adjusting system; and the electricity saving system is installed above the driving system, and the driving system is connected with the LED displaying system through wires. According to the electricity-saving LED advertisement indicator, through the control effect on an LED illuminant, different light colors and characters can be emitted under different brightness degrees, adaptability is high, and meanwhile, in the using process of the electricity-saving LED advertisement indicator, wind energy is transformed into kinetic energy, and the kinetic energy is then transformed into electricity energy, so that rational utilization of energy sources is achieved.

The invention relates to a manufacturing method for powder ash air-entrained concrete blocks. The manufacturing method comprises the following steps: I, weighing raw materials, wherein the raw materials comprise the following components in parts by mass: 480-560 parts of quick lime, 2750-2850 parts of coal ash slurry, 35-45 parts of cement and 2.3-2.7 parts of a powdered aluminum liquid; (II), preparing mixed slurry: namely feeding the coal ash slurry, cement, a cementing agent and powdered aluminum into a stirrer, adding the cement and quick lime and stirring the mixture for 180-220 seconds, adding the powdered aluminum and stirring the mixture for a time less than 30 seconds to form the mixed slurry; III, pouring and degassing: namely pouring the mixed slurry into a die trolley to degas; IV, resting: namely resting the die trolley at 40-45 DEG C to form blanks; V, cutting: namely cutting the blank in steps; and VI, carrying out autoclaved curing: namely vacuumizing the blanks in an autoclave, raising the pressure when the pressure is not greater than 0.06MPa, maintaining the pressure when the pressure is 1.1-1.2MPa and reducing the pressure within 5.5 hours to form the powder ash air-entrained concrete blocks finished products. The A5.0 level powder ash air-entrained concrete blocks produced by the manufacturing method provided by the invention are small in difficulty.

The invention discloses a comprehensive heat management system applied to a hypersonic aerocraft or an engine. The comprehensive heat management system comprises distributed type heat collectors whichare dispersedly distributed on a to-be-cooled high-temperature device positioned on the aerocraft; the outlet of each distributed type heat collector communicates with the inlet of the correspondingdistributed type heat collector through a pipeline to form a closed cycle; each pipeline is provided with a fuel turbine, a working medium turbine and a working medium air compressor; the fuel turbineis used for supplying power to a fuel pump; the working medium turbine is used for supplying power to the working medium air compressor; the working medium air compressor is used for compressing a working medium; and the working medium is a supercritical working medium. By utilizing the characteristics that the supercritical working medium is high in heat exchange capability and small in flow loss, the distributed type heat collectors can be used for collecting lots of heat from the to-be-cooled high-temperature devices such as a strong pre-cooler, a heat protection heat insulating material,avionic electronic equipment, wall surface of a combustion chamber and a lubrication system. The heat can realize additional energy supply. For instance, the fuel turbine and the working medium turbine can do work to output mechanical energy to drive the fuel pump, the working medium air compressor and the like; and meanwhile a generator can also be driven to further transform the energy into electric energy and store the electric energy.

A tire repair device comprises a bottle body for containing tire sealant and a bottle cap deposited at an opening of the bottle body to seal the bottle body; wherein the tire repair device further comprises a tire sealant guiding tube provided in the bottle cap, and the tire sealant guiding tube includes a first tube section extending into the bottle body and a second tube section; a flange is formed on an internal surface of the first tube section; a plug is slidably placed in the first tube section; at least one rib is fixed in the first tube section and is deposited between the flange and the first bottom end. The tire repair device of the present application has a simple structure, is easy to operate, and is cost-effective; besides, the tire repair device can be used either upright or upside-down, which is good for promotion and implementation.

The invention provides a nozzle capable of achieving dual fuel injection. The nozzle comprises a valve body and a fixed needle valve. The fixed needle valve is fixedly arranged in the valve body, and a first channel for fuel (1), a first channel for fuel (2), a first arc-shaped sliding groove, a second arc-shaped sliding groove, an annular oil groove, a nozzle hole for fuel (1) and a nozzle hole for fuel (2) are formed in the valve body; the fixed needle valve is provided with a second channel for fuel (1) and a second channel for fuel (2), and an outlet of the second channel for fuel (1) is communicated with the nozzle hole for the fuel (1); an inlet of the second channel for fuel (2) is communicated with a second arc-shaped sealing cavity, and an outlet of the second channel for fuel (2) is communicated with the arc-shaped oil groove; and the valve body is further provided with an oil returning channel for fuel (2), and the oil returning channel for fuel (2) is communicated with the first channel for fuel (2). The fuel supply pressure is changed so as to achieve in-cylinder direct spraying of two kinds of fuel, the in-cylinder direct spraying of a pilot diesel natural gas engine is achieved, the structure is simple, and the nozzle is easy to obtain.

The invention provides a method and system for calling of a CSI LVM Plugin and dynamic persistent volume supply and a medium. The method comprises the steps: dividing SAN storage equipment into a plurality of LUN storage equipment; mapping one LUN storage device to a plurality of physical machine nodes; creating a volume group at the physical machine node; deploying a kubernetes cluster at a plurality of physical machine nodes, wherein the kubernetes cluster comprises a plurality of Pods; registering a CSI LVM Plugin is registered in the kubernetes cluster; enabling the kubernetes PVC to apply to create a persistent volume, and enabling the node server component to call the Create Volume to create a logical volume on the basis of a volume group; configuring a CSI LVM provider module in the controller server component, mapping the logical volume to the persistent volume through the CSI LVM provider module, and mounting the logical volume to the Pod, so that the local persistent volume is dynamically supplied to the Pod, the logical volume comes from the same volume group, and meanwhile, the sharing of the volume group is also realized.

The invention discloses a device capable of heating a coal reservoir to improve a low-coal-rank coal bed gas yield. The device comprises a truck, a flowmeter, a first gas booster, a second gas booster, a mixed gas separating device, a methane storage tank, a water collecting box and a control system. A U well and multiple exploited wells are drilled in the coal reservoir on the ground, the U wellis composed of a first vertical well segment, a horizontal well segment and a second vertical well segment, a fuel battery air heat exchange system is mounted on the truck, a gas outlet of the fuel battery air heat exchange system is connected with a gas inlet of the first gas booster, a gas outlet of the first gas booster is connected with a well opening of the first vertical well segment, a wellopening of the second vertical well segment is connected with a gas inlet of the second gas booster, a gas outlet of the second gas booster is connected with a gas inlet of the mixed gas separating device, and the exploited wells are connected with an extraction device. Water in a low-coal-rank reservoir is effectively removed, desorption of methane molecules is promoted, and the low-coal-rank coal bed gas yield is improved.

An unbalanced shaft (1a, 1b, 1c), particularly for compensating mass forces and / or mass moments of inertia of an internal combustion engine (2) is provided. The shaft includes a shaft section (10, 11, 12) and a bearing journal (13a, 13b, 13c) axially adjacent to the shaft section, the bearing journal includes a fully cylindrical outer peripheral surface (18) serving as an inner raceway for the rolling elements (16) of a rolling bearing (14) and the bearing journal has a multi-piece configuration, so that both the shaft section and the bearing journal possess a mass center of gravity that, for producing the shaft unbalance, extends eccentric to the axis of rotation (19) of the unbalanced shaft. For supplying lubricant to the inner raceway and the rolling elements, an oil channel (20a, 20b, 20c) extends radially outwards through the bearing journal and opens, relative to the mass center of gravity of the bearing journal, on the other side, situated beyond the axis of rotation, on the outer peripheral surface.

The invention aims to provide a solar distributed point focusing optical lens tracing vacuum tube utilizing system. For realizing distributed arrangement according to land conditions in urban areas, a set of solar point focusing utilization system is formed by at least one vacuum tube utilization device, a solar tracing system, a point focusing solar mirror and a tracing support, a plurality of sets of solar point focusing utilization systems are arranged in different areas, and a plurality of groups of vacuum tube utilization devices can be connected with one another to form the solar point focusing utilization system. In the invention, due to the change of the array mode of the conventional slot type solar system into a distributed mode, a slot type solar utilization technique of the solar is suitable to be used in different areas and cities in combination with buildings in these different areas conveniently with fewer requirements and limitation on land, and a new solar utilization type and mode is provided for various kinds of solar utilization.

The invention discloses a fishpond device with an automatic feeding function. The fishpond device comprises a fishpond, one side of the upper end of the fishpond is fixedly connected with one end of a first supporting plate, the upper end of the first supporting plate is vertically connected with one end of a second supporting plate, the side face of the second supporting plate is fixedly connected with an inclined plate, and the inclined plate and the second supporting plate are obliquely arranged. The other end of the second supporting plate is vertically connected with one end of a top cover. The fishpond device with the automatic feeding function is simple in structure, a combined box containing structure composed of the first supporting plate, the second supporting plate and the inclined plate is added, fish feed is placed in the combined box containing structure, fishes swim in a pond to drive water waves, the water waves drive a floating plate to move, and a movable plate is driven to rotate through traction of a connecting wire. Therefore, feed supply and blocking are achieved, the whole structure is simple, fish feeding is convenient, feeding does not need to be frequently operated manually, the labor cost is reduced, and high practicality is achieved.

The invention discloses a direct water dispenser based on bar codes. The direct water dispenser comprises a water receiving bin, a water outlet pipe, an electromagnetic valve arranged on the water outlet pipe, an input module, a bar code generating module, a printing module, and a bar code scanning module arranged on the side wall of the water receiving bin. When one water receiving container is arranged in the water receiving bin, if the bar code scanning module scans one bar code and recognizes volume information, a control module controls the electromagnetic valve to be switched on, and if the water yield is consistent with the volume information, the control module controls the electromagnetic valve to be switched off; if the bar code scanning module does not scan one bar code, the control module controls the bar code generating module to generate one bar code according to the volume information received by the input module and controls the printing module to print the bar code into a bar code label. The volume of the water receiving container is recorded automatically, and the supplied water yield is controlled automatically according to the volume.

The invention discloses an automatic external defibrillation system. In the system, an electrocardio information acquisition unit is used to collect electrocardio information of a user and transmit the collected electrocardio information to an intelligent terminal. And the electrocardio information acquisition unit can be a heart rate paster, heart rate detection wearable equipment and the like. The intelligent terminal analyzes the electrocardio information and makes a defibrillation unit start electric shock defibrillation when the electrocardio information satisfies a preset condition. The intelligent terminal can be an intelligent mobile phone, a panel personal computer and other intelligent equipment. The defibrillation unit starts an electric shock to carry out defibrillation according to the control information of the intelligent terminal so that a cardiac arrest patient can be effectively and timely cured. System universality is high and cost is low. The cardiac arrest patient can be timely processed and effectively and timely cured in short time so that a saving rate of the cardiac arrest patient can be greatly increased.