37results about How to "Reduce test energy consumption" patented technology

The invention discloses a battery capacity detection method comprising the following steps of: obtaining a charged open-circuit voltage OCV-state of charge SOC curve, and a direct-current inner resistance Romega; and calculating an SOC changing rate and the like. The method disclosed by the invention is mainly used for a battery and is particularly suitable for a capacity test of a power battery pack. Compared with the traditional full-charge and full-discharge test method, the test method disclosed by the invention realizes the aims of shortening battery capacity time and reducing test energy consumption.

The invention discloses a rock tensile strength test apparatus capable of applying confining pressure, which can truly restore an environment in which rock is disposed. The rock tensile strength test apparatus comprises a base, wherein the base is connected with a top plate by virtue of a connecting rod; and the base is fixedly provided with a test assembly, the top plate is fixedly provided with a loading oil cylinder, and a loading rod of the loading oil cylinder stretches into the test assembly. By adopting the rock tensile strength test apparatus, the confining pressure, different temperature environments and rock burst can be applied to a test sample, an underground environmental condition of the rock can be truly simulated, so that an underground stress condition of the rock and the variation of tensile strength can be more precisely researched, and instructions and references can be provided for the subsequent design, construction, teaching, research and the like. By adopting the rock tensile strength test apparatus, the test sample can be rapidly centered, and a breaking time and pressure at the breaking time of the test sample can be discovered in time by virtue of a displacement of the loading rod. By virtue of a cooling assembly, heat of the loading rod and a lower supporting rod can be prevented from damaging the test apparatus.

The invention relates to an electric spindle reliability test bed with a hydraulic-type energy recovery function. The test bed comprises an electric spindle, an electric spindle support portion, a loading bar, a bearing loading unit, a radial force loading portion, an axial force loading portion, an automatic control portion, a torque loading portion and a hydraulic oil way portion. The electric spindle, the loading bar, the bearing loading unit and a shaft axis of a hydraulic pump are coaxial. A loading rod 1 of the radial force loading portion is perpendicular to a shaft axis of the bearing loading unit. The axis of a loading rod 2 of the axial force loading portion is parallel to the shaft axis of the bearing loading unit. The electric spindle is in shaft connection with a hydraulic pump of the torque loading portion through a loading rod 3 and an elastic coupler. According to the arrangement, by subjecting the hydraulic pump and an energy storage to loading, the torque loading is performed on the electric spindle; besides, axial and radial force loading is performed to the electric spindle by the aid of hydraulic oil generated from the hydraulic pump through a hydraulic cylinder, so that the energy is recycled and saved.

The invention discloses a low-energy-consumption efficient wind tunnel capable of simulating a snowfall process. The low-energy-consumption efficient wind tunnel comprises a gas inlet, a power section, a diffusion section, a stable section, a refrigeration section, a water mist generating section and a test section which are connected in sequence, wherein a fan is mounted in the power section; a liquid nitrogen spray head is arranged in the refrigeration section, and connected with a liquid nitrogen source to form a liquid nitrogen refrigeration system through a liquid nitrogen pipeline; an atomizing pneumatic spray nozzle is arranged on the upper part of the water mist generating section, the atomizing pneumatic spray nozzle is connected with a pressure gas source and a pressure water source; a splitter plate is arranged below the atomizing pneumatic spray nozzle; a pitching angle of the splitter plate is adjustable. The low-energy-consumption efficient wind tunnel can be used for accurately simulating wind and snow motion effect of an actual snowfall process to a large-span space structure, and has the advantages of being low in test energy consumption, high in efficiency, simple in structure, low in manufacturing cost, and low in operation and maintenance charge in comparison with a large-scale ice wind tunnel.

The invention discloses a green environment-friendly energy-saving wind tunnel capable of simulating a snowfall process. The green environment-friendly energy-saving wind tunnel comprises a gas inlet, a power section, a diffusion section, a stable section, a refrigeration section, a water mist generating section and a test section which are connected in sequence, wherein a fan is mounted in the power section; a liquid nitrogen spray head is arranged in the refrigeration section, and connected with a liquid nitrogen source to form a liquid nitrogen refrigeration system through a liquid nitrogen pipeline; an atomizing pneumatic spray nozzle is arranged on the upper part of the water mist generating section, the atomizing pneumatic spray nozzle is connected with a pressure gas source and a pressure water source; a splitter plate is arranged below the atomizing pneumatic spray nozzle; a pitching angle of the splitter plate is adjustable. The green environment-friendly energy-saving wind tunnel can be used for accurately simulating wind and snow motion effect of an actual snowfall process to a large-span space structure, and has the advantages of being green and environment-friendly, low in energy consumption, high in efficiency, simple in structure, low in manufacturing cost, and low in operation and maintenance charge in comparison with a large-scale ice wind tunnel.

The invention discloses a detection method for crystalline silicon solar cell luminous decay resistance. The detection method comprises the following steps that 1) primary measurement of the conversion efficiency is performed on a crystalline silicon solar cell; 2) current is injected into the crystalline silicon solar cell through the mode of electric injection under the certain temperature condition; 3) secondary measurement of the conversion efficiency is performed on the crystalline silicon solar cell after electric injection; 4) the actual luminous decay rate of the crystalline silicon solar cell is calculated; and 5) the actual luminous decay rate is compared with the preset luminous decay rate of the accepted product, and if the actual luminous decay rate is not greater than the luminous decay rate of the accepted product, the crystalline silicon solar cell is judged to be the accepted product having the qualified luminous decay resistance; and if the actual luminous decay rate is greater than the luminous decay rate of the accepted product, the crystalline silicon solar cell is judged to be the defective product having the unqualified luminous decay resistance. Luminous decay testing can be rapidly performed on the crystalline silicon solar cell under the condition of low energy consumption so that the objective of monitoring the production technology in real time can be achieved.

The invention relates to a deep underwater wellhead fatigue test device which comprises a power and control system, a transmission system, a wellhead system, a data acquisition and processing system and a safety protection cover, wherein the data acquisition and processing system transmits the acquired state data of the wellhead system to the power and control system; the power and control system drives the control transmission system according to the received state data; the safety protection cover is arranged on the upper part of the wellhead system, and the transmission system is also positioned in the safety protection cover; the power and control system comprises a motor, a variable frequency controller and a computer; and the motor is connected with the computer through the variable frequency controller. The deep underwater wellhead fatigue test device disclosed by the invention is simple in structure, low in test energy consumption, high in test accuracy and excellent in safety performance, has excellent underwater wellhead fatigue test capacity and can be widely applied to fatigue tests of various deep underwater wellheads.

The invention discloses a temperature control platform for sectionally controlling a temperature of a micro-fluidic chip. The temperature control platform comprises a temperature control platform body, an intelligent temperature regulator and a constant-temperature circulator, wherein the temperature control platform body consists of a housing, a cool plate, a hot plate, a semiconductor refrigerating sheet with a cool surface facing upwards, a heater, a heat radiator and a metal conduit from the external to the internal, and the cool plate and the hot plate are provided with a temperature measurer. By utilizing the high-performance micro semiconductor refrigerating sheet and the ceramic heating sheet, the size of the sectional-type micro-fluidic chip temperature control apparatus is greatly reduced, and for the characteristic of the small area of the micro-fluidic chip, the practicability of the temperature control platform is improved; by adopting the commercial temperature controller Tempco TEC-220, according to the temperature data of the hot plate and the cool plate collected by a platinum electrode, the high precision automatic temperature control is realized by precisely controlling the operation and stopping of the semiconductor refrigerating sheet and the ceramic heating sheet; and by adopting the HX-1050 constant-temperature circulator, the temperature of the circulating liquid is kept at 60 DEG C below zero to 50 DEG C, the heat radiation requirement of the apparatus can be met, the experiment energy consumption can be reduced, the application cost is decreased, and the temperature control platform is suitable for realizing experiments such as biological PCR, liquid drop and capsule solidification and melting, crystal phase changing, material synthesis by controlling temperature in the micro-fluidic chip.

The invention discloses a temperature control system. The temperature control system comprises an oil tank and is characterized in that the oil tank is communicated with the first oil inlet of a heating reversing valve through a pipeline, the oil outlet of the heating reversing valve is communicated with the oil inlet of a first oil inlet pump, and the oil outlet of the first oil inlet pump is communicated with the oil inlet of a first temperature control module; the oil outlet of the first temperature control module is connected with the oil inlet of a first temperature control valve module, the first oil outlet of the first temperature control valve module is connected with the water inlet of a second water inlet pump, and the water outlet of a second temperature control module is communicated with the water inlet of a second temperature control valve module; the first oil outlet of the second temperature control valve module is communicated with the second oil inlet pump, and the second oil outlet of the second temperature control valve module is communicated with the second oil inlet of the heating reversing valve; the oil outlet of the second oil inlet pump is communicated with an oil inlet pipe; an oil outlet pipe is communicated with the first oil inlet of a refrigerating reversing valve, and the oil outlet of the refrigerating reversing valve is communicated with a cooling component. The invention further provides a temperature control method based on the temperature control system and a tensile strength testing device.

The invention belongs to the technical field of marine engineering testing, and relates to a trailer device used on a testing water pool. The trailer device comprises a four-degree-of-freedom workingbridge, a main trailer track, a subsidiary trailer track and a safety protection system. The four-degree-of-freedom working bridge in the trailer device adopts a full truss structure, the situation that a vortex zone is formed when the upper and lower wind speeds are different since the front resistance of the structure to a wind field is too large is avoided, the accuracy of a measurement resultis improved accordingly, the wind resistance is reduced, the testing energy consumption is also reduced, and the testing cost is reduced. The trailer device adopts the safety protection system, and the safety and reliability of the trailer device are also ensured while the cost is reduced. The trailer device has the main advantages that the overall device is simple in structure, easy to install, convenient to operate, safe and reliable, the accuracy of the measurement result can be improved, and the cost can also be reduced.

The invention discloses a wind tunnel attack angle mechanism, belongs to the field of wind tunnel attack angle adjustment, and aims to solve the problems of large inertia and large driving force of the attack angle mechanism due to the fact that a traditional model attack angle mechanism adopts a mode that an arc-shaped bent knife support plate and a model move together. The wind tunnel incidence angle mechanism comprises a wind tunnel support section fixing base, an arc-shaped bent knife supporting plate, a supporting rod, a middle support, an arc guide rail pair, a driving device, a third lead screw, a third supporting unit, a lead screw nut and a fourth connecting assembly. The side, facing the arc-shaped bent knife supporting plate, of the middle support is in a U shape. When the mechanism is used for model attack angle adjustment, the arc-shaped bent knife support plate is fixed, so that the driving force is greatly reduced, the test energy consumption is favorably reduced, and the mechanism has remarkable progressive significance. When the incidence angle range of the corresponding model is adjusted, the requirement for the size of the arc-shaped bent knife straight plate is smaller, and the method has important progressive significance for promoting development of the corresponding field.

The invention discloses an air-cooled stack environment simulation test system and a control method thereof, and relates to an environment simulation device structure and an operation control method for fuel cell air-cooled stack test. More specifically, the invention relates to a test device condition and operation management method capable of simulating ambient air pressure, especially low air pressure, and controlling temperature, humidity, oxygen concentration and hydrogen concentration. Simulation conditions closer to actual operation can be obtained, test energy consumption can be reduced, and stable operation of the test is facilitated. Under the condition that the pressure of the hydrogen exhaust port is kept to be the same as the set environment pressure, hydrogen tail gas is not discharged into circulating air of the testing device, the ventilation energy consumption can be greatly reduced, especially the energy consumption of vacuum pumping under the pressure reduction condition, and the system safety is improved.

The invention discloses a Venturi pore plate testing device for testing cavitation erosion resistance of a material. The Venturi pore plate testing device comprises a Venturi tube front section, a Venturi tube rear section, a converging type pore plate, test piece regulation bolts, an cavitation erosion resistance test piece, single-end bolts, nuts and test piece position regulation hole bolts, wherein the Venturi tube front section comprises a flange plate; the Venturi tube rear section comprises a flange plate and a test piece position regulation hole group, wherein the test piece position regulation hole group comprises a plurality of test piece position regulation holes; the converging type pore plate is built in a cylindrical cavity formed after the Venturi tube front section and theVenturi tube rear section are connected; bolt holes of the flange plates of the Venturi tube front section and the Venturi tube rear section are coincident, and are fixed by each single-end bolt and each nut in cooperation; the test piece regulation bolts are penetrated into the test piece position regulation holes of a divergent section; the cavitation erosion resistance test piece is fixed on the test piece regulation bolts. According to the Venturi pore plate testing device, the converging type pore plate is used for reinforcing cavitation erosion strength in the device, the test piece regulation bolts are penetrated into different test piece position regulation holes to change the position of the test piece, optimal cavitation erosion test efficiency can be achieved under each workingcondition, and test energy consumption is lowered.

The invention relates to a reciprocating displacement type fatigue testing machine. The reciprocating displacement type fatigue testing machine comprises a tested steel beam, an acting wheel, a connecting bar, a double-acting oil cylinder, an oil cylinder support, a lifting rod, a load gravity block, a working platform and a hydraulic pump, wherein the acting wheel is connected with one side of the double-acting oil cylinder by the connecting bar; the double-acting oil cylinder is connected with the oil cylinder support and connected with the hydraulic pump; the hydraulic pump is connected with a control system; one end of the lifting rod is connected with a wheel axle of the acting wheel; the other end of the lifting rod is connected with the load gravity block; the acting wheel is positioned above the tested steel beam; and the load gravity block is inserted into a spatial position in the working platform. By using the reciprocating displacement type fatigue testing machine the restriction that the traditional fatigue testing machine only can test the positive stress variation induced fatigue is overcome and the bearing capability of the fatigue caused by bent member web shear stress inversion can be detected. The reciprocating displacement type fatigue testing machine provided by the invention has the following advantages that: the position of the acting force moves in a reciprocating way while the size and direction of the acting force is invariable; and the acting force is realized by a lifting rod pressurizing weight and small thrust and low testing energy consumption are required in the double-acting oil cylinder for driving the acting wheel.

The invention provides a test system for simulating intermediate hydrogen removal separation effect in electrolytic chlorine production. The test system comprises a circulating water supply system, a pressurizing and air dissolving system, a first electrolytic chlorine production device, an intermediate hydrogen removal device and a drainage gas collection device, and the circulating water supply system comprises a circulating water inlet pipeline, a circulating water tank, a circulating water pump and a first ejector; and the pressurizing and air dissolving system comprises an air compressor, an air dissolving tank and a pressurizing pump. According to the test system for simulating the intermediate hydrogen removal separation effect in the electrolytic chlorine production process, seawater in the circulating water tank is pressurized and pumped into the dissolved air tank by using the pressurizing pump, and air is conveyed into the dissolved air tank by using the air compressor, so that the air is dissolved in water to form dissolved air water, the process of generating hydrogen during electrolytic chlorine production and the air-liquid mixed flow state of an electrolytic solution are simulated, and the air-liquid separation effect of the intermediate hydrogen removal device is conveniently verified.

The invention discloses a temperature control system. The temperature control system comprises an oil tank and is characterized in that the oil tank is communicated with the first oil inlet of a heating reversing valve through a pipeline, the oil outlet of the heating reversing valve is communicated with the oil inlet of a first oil inlet pump, and the oil outlet of the first oil inlet pump is communicated with the oil inlet of a first temperature control module; the oil outlet of the first temperature control module is connected with the oil inlet of a first temperature control valve module, the first oil outlet of the first temperature control valve module is connected with the water inlet of a second water inlet pump, and the water outlet of a second temperature control module is communicated with the water inlet of a second temperature control valve module; the first oil outlet of the second temperature control valve module is communicated with the second oil inlet pump, and the second oil outlet of the second temperature control valve module is communicated with the second oil inlet of the heating reversing valve; the oil outlet of the second oil inlet pump is communicated with an oil inlet pipe; an oil outlet pipe is communicated with the first oil inlet of a refrigerating reversing valve, and the oil outlet of the refrigerating reversing valve is communicated with a cooling component. The invention further provides a temperature control method based on the temperature control system and a tensile strength testing device.

The invention relates to a reciprocating displacement type fatigue testing machine. The reciprocating displacement type fatigue testing machine comprises a tested steel beam, an acting wheel, a connecting bar, a double-acting oil cylinder, an oil cylinder support, a lifting rod, a load gravity block, a working platform and a hydraulic pump, wherein the acting wheel is connected with one side of the double-acting oil cylinder by the connecting bar; the double-acting oil cylinder is connected with the oil cylinder support and connected with the hydraulic pump; the hydraulic pump is connected with a control system; one end of the lifting rod is connected with a wheel axle of the acting wheel; the other end of the lifting rod is connected with the load gravity block; the acting wheel is positioned above the tested steel beam; and the load gravity block is inserted into a spatial position in the working platform. By using the reciprocating displacement type fatigue testing machine the restriction that the traditional fatigue testing machine only can test the positive stress variation induced fatigue is overcome and the bearing capability of the fatigue caused by bent member web shear stress inversion can be detected. The reciprocating displacement type fatigue testing machine provided by the invention has the following advantages that: the position of the acting force moves in a reciprocating way while the size and direction of the acting force is invariable; and the acting force is realized by a lifting rod pressurizing weight and small thrust and low testing energy consumption are required in the double-acting oil cylinder for driving the acting wheel.

The invention discloses a testing device of a constant-power valve. The testing device comprises a valve block (1), a swing rod (2), a plug (3) and a piston push rod (4), wherein a step hole (5) and achannel (6) are formed in the front side of the valve block (1), the step hole (5) is arranged perpendicular to the channel (6), a sliding sleeve (7) is fixedly arranged in a small hole of the step hole (5), a left end cover (8) and a right end cover (9) are fixedly arranged in the sliding sleeve (7) and located at the two ends of the sliding sleeve (7), a piston (11) capable of sliding along thesliding sleeve (7) is fixedly arranged on the piston push rod (4), the piston (11) and the left end cover (8) form an oil return cavity, the piston (11) and the right end cover (9) form an oil inletcavity, and the left side of the valve block (1) is provided with the constant-power valve (12). The invention further discloses a testing method. The testing device and method have the beneficial effects that the structure is compact, testing is simple and convenient, the testing cost is reduced, the testing energy consumption is low, and the operation is simple.

The invention discloses a test system for an aircraft climate environment test and a configuration method thereof, and belongs to the technical field of aircraft tests. The test system for the aircraft climate environment test comprises a large environment chamber, a small environment chamber, a first auxiliary building located on one side of the large environment chamber, a second auxiliary building located on the other side of the large environment chamber, a third auxiliary building located on one side of the small environment chamber and a power assembly located behind the small environment chamber, wherein the large environment chamber and the small environment chamber are arranged side by side front and back. Interlayers are arranged between the inner walls and the outer walls of the large environment chamber and the small environment chamber, an isolation door is arranged at the joint of the large environment chamber and the small environment chamber, a water collecting tank is arranged under the ground of the large environment chamber and the small environment chamber, and a drainage assembly is arranged in the water collecting tank. According to the test system for the aircraft climate environment test, factors such as functional requirements, building structures, environment simulation systems and power supply of an ultra-large climate environment laboratory are comprehensively considered, iterative optimization is carried out on the laboratory layout, and the overall layout suitable for the ultra-large comprehensive climate environment laboratory is formed.

The invention discloses a particle sensor calibration system and a measuring method. A fuel is introduced into an inverse diffusion flame combustor, an upper combustor mouth is communicated with an exhaust pipe, a gas mixture is ignited, and stable soot is produced by combustion of the gas mixture; a compressor is started, and a stable quantity of air is introduced; air input is adjusted through a pressure-regulating valve, and the air is heated by a heater and then enters the exhaust pipe to dilute the soot produced by combustion; air input flow adjusted by the pressure-regulating valve is read by a flowmeter; a temperature sensor outputs the temperature of diluted particles; the soot enters a particle sensor, a current signal is output and then amplified and converted by a circuit board, then a voltage signal is output, an A / D converter is used to acquire a signal value, and a voltage value is read by a computer; a transient smokemeter is started in the moment when the soot enters the particle sensor, and transient soot concentration is measured and output; and the voltage values output by the particle sensor under different soot concentrations are recorded, a calibration curve representing the changes of the voltage values under different soot concentrations is drafted, and accurate particle concentration is obtained.

The invention discloses a dual-motor performance synchronous test device, which comprises a power supply, a power coupling device, a generator, an energy storage device and a controller, the electric energy output end of the power supply is used for being connected with the electric energy input end of a first test motor, the first power input end of the power coupling device is used for being connected with the power output end of the first test motor, and the second power input end of the power coupling device is used for being connected with the power output end of a second test motor. The power output end of the power coupling device is connected with the power input end of the generator, the electric energy input end of the energy storage device is connected with the electric energy output end of the generator, and the electric energy output end of the energy storage device is used for being connected with the electric energy output end of a second test motor. And the signal end of the controller is used for being respectively connected with the signal ends of the first test motor and the second test motor. According to the invention, the number of loaders can be effectively reduced, performance tests can be carried out on two motors at the same time, the test efficiency is improved, and the test energy consumption can be reduced.

The invention relates to the field of testing equipment, and discloses a power battery testing equipment and a testing method. The power battery testing equipment includes a test air duct and a refrigeration system. The test air duct is used to simulate the test environment of the power battery to be tested. The test air duct includes a first circulating air duct and a second air circulation duct with independent air outlets and a common return air outlet. The cooling system includes a first evaporator and a second evaporator arranged in parallel, the first evaporator is used to exchange heat with the first circulating air channel, and the second evaporator is used to exchange heat with the second circulating air channel. When the temperature of the air outlet of the first circulating air duct and the second circulating air duct are inconsistent, adjust the heat exchange of the first evaporator and the second evaporator to make the temperature of the air outlet of the first circulating air duct and the second circulating air duct consistent . The invention can ensure the consistency of the provided temperature field, ensure the consistency of each product test, effectively reduce the test energy consumption, and improve the accuracy and test efficiency of the test result of the power battery.

The invention relates to the technical field of valve static pressure life testing, in particular to an automatic valve static pressure life testing device based on gasification boosting, which can be applied to control valves such as ball valves, gate valves, butterfly valves, and globe valves. The device includes a control system, Gas source pressurization system, loading system and drive system. The present invention uses the gas source pressurization system to provide high-pressure gas, thereby simulating the opening and closing of the tested valve under different medium pressure conditions, and the detection component monitors the operation of the tested valve in real time. Position, upstream and downstream pressure information, etc., can evaluate the opening and closing cycle state and sealing performance of the tested valve, improve the accuracy of the test, and the loading system controls the loading and unloading of high-pressure gas passing through the tested valve, so as to realize According to the technical requirements of the static pressure life test standard of the control valve, the static pressure life test of the valve can be automatically completed, and the high-pressure gas consumption during the test can be reduced, which has the advantage of being green and low cost.