104results about How to "Does not affect lifespan" patented technology

The invention provides a method and a device for measuring the battery internal resistance; the method and the device detect a discharge current or charge current I, as well as a discharge or charge voltage U1 of the battery under detection, and then detect a voltage U2 after discharge or charge of the battery under detection so as to calculate an internal resistance r of the battery under detection; and the internal resistance r is equal to (U2-U1)/I. The method and the device are easy to implement and are low in cost, which can be widely used in battery chargers, back-up power supplies and other mobile power supplies.

The invention discloses a smelting process of low-grade scrap copper. The process comprises the following steps: 1) generation of an initial molten pool; 2) a melting process, namely continuously adding auxiliary materials into a top blowing furnace, inserting a spray gun into melt, spraying oxygen-enriched air and fuel into the melt, carrying out submerged combustion and top-blown smelting, and stopping adding the auxiliary materials when the liquid level of the melt in a to-be-blown furnace is 0.3m to 0.5m higher than a bleed hole, repeatedly carrying out smelting and slagging operations after opening the bleed hole for slagging, and stopping charging and melting when the black copper melt surface inside the top blowing furnace ascends to the position which is 100mm to 200mm below the bleed hole; (3) a blowing process, namely exhausting slag inside the top blowing furnace, inserting the spray gun into black copper, and spraying the oxygen-enriched air and fuel to carry out submerged combustion and blowing, and respectively discharging the produced raw copper and blowing slag from a copper discharge hole and the bleed hole; and 4) repeating of the smelting and blowing processes. According to the technical scheme disclosed by the invention, the operation for smelting scrap copper is flexible, and the smelting process is strong in adaptability on raw materials, high in safety, and high in recovery rate of copper and valuable metal.

The invention discloses a pixel circuit and a driving method thereof, an organic electroluminescent display panel, and a display apparatus. The pixel circuit comprises a luminescent device, a driving control module, a reset control module, a charge control module, a writing control module and a luminescence control module. The reset control module resets a first node and the luminescent device, the charge control module charges a second node through the luminescence control module and discharges the second node through the driving control module and the reset control module, the writing control module writes data signals into the second node, and the luminescence control module controls the driving control module to drive the luminescent device to emit light. Since the charge control module discharges the second node through the driving control module and the reset control module and the discharge path of the driving control module does not go past the luminescent device, the feature and the display life of the luminescent device are not affected, it can also be ensured that threshold voltages of the driving control module are accurately written, and the compensation effect is optimized.

The invention relates to a soft measurement method of a beam pumping unit based on a neural network, which aims to provide a beam pumping unit indicator diagram measurement method. The method comprises an angle sensor, a power measuring unit, a controller, an element, a data interface, indicator diagram sample data and an indicator diagram soft measurement unit, wherein the angle sensor is used for measuring the swinging angle of a beam; the power measuring unit is used for measuring motor power; the controller completes data acquisition and data calculation; and the indicator diagram soft measurement unit completes neural network training and indicator diagram measurement and display. The method disclosed by the invention has the advantages of simple measurement process, accurate measurement, reliability and the like.

The invention relates to the technical field of touch and provides a screen activation method of a touch terminal. The screen activation method comprises a step a of scanning a touch screen in a standby state, and detecting touch movements, and a step b of activating the touch screen if the touch movements which are consistent with a preset screen activating password are detected. The invention further provides a screen activation system of the touch terminal and the touch terminal. Screen activation of the touch terminal can be achieved without arranging mechanical keys on the touch terminal, the service life of the touch terminal is not influenced, and the touch terminal is also attractive in appearance.

The invention relates to a lamina wear-resisting phosphorization agent and a preparation method thereof. The phosphorization agent has the following components and contents: 45-50g/l of manganous salt, 1-2ml/l phosphoric acid, 2-4g/l of nickel nitrate, 2-10g/l of nitrate of lime, 0.5-2g/l of zinc nitrate, 3-5g/l of scrap iron, 1-3g/l of citric acid, moderate amount of manganese carbonate for adjusting free acidity and the balance of water; total acidity of the phosphorization stands at 45-50 points, free acidity stands at 6.5-7.5 points and the proportion of the total acidity to the free acidity is 6:1 to 7:11.When the phosphorization agent is prepared, 40-45g/l of manganous salt is weighed and placed in water of 70 DEG C to be dissolved; water is supplemented after the manganous salt is completely dissolved; then the mixed solution is heated to boiling state and then cooled to 70 DEG C before adding 3-5g/l of scrap iron for carrying out reaction for 30-45min; then 0.5-2.0ml/l of phosphoric acid is added; sampling analysis is carried out and acidity of the solution is adjusted; then 2-4g/l of nickel nitrate, 2-10g/l of nitrate of lime, 0.5-2g/l of zinc nitrate are added; sampling analysis is carried out and acidity of the solution is adjusted again; after testing is passed, 1-3g/l of citric acid is added to obtain the phosphorization agent.

The invention discloses an integrated universal distiller. The integrated universal distiller comprises a heating device, a cooling device, a shell and a support, wherein the heating device is provided with a plurality of independent heating units; a ceramic electric heater is installed on a furnace frame of a heating box body; a furnace cover and a distilling bottle are arranged on the ceramic electric heater; the distilling bottle is installed in the furnace cover; the shell is provided with a plurality of heating control buttons corresponding to the plurality of heating units, heating state indicating lamps, functional regulating buttons as well as a liquid crystal display; the heating units are connected with the cooling device; the distilling bottle is connected with a condensing bottle connected with a water tank; the cooling device is connected with a control system; a volume bottle is arranged below the condensing bottle of the cooling device. The device integrates heating, distillation, condensation and receiving design; the ceramic electric heater is adopted by the heating device so as to achieve the functions of independent power regulating of a single furnace, automatic circulation of cooling water, automatic control of distillation terminal, automatic sucking-back prevention control and the like; the integrated universal distiller is practical, convenient, saves energy, protects the environment, and solves multiple defects of a traditional device.

The invention discloses a vehicle-mounted inverter which comprises an inverter main body, a socket, a USB interface, a switch and a cigarette end plug, wherein a first outer shell and a second outer shell are arranged outside the inverter main body; clamping tracks are formed between the first outer shell and the inverter main body and between the second outer shell and the inverter main body; a clamping structure is arranged at the upper end of the second outer shell; a plurality of heat radiation vent holes are formed in the inverter main body. The cigarette end plug is directly mounted on the inverter main body, so that the cigarette end plug is close to a storage battery, and sufficient voltage is ensured when load is output from the vehicle-mounted inverter; due to adoption of the clamping tracks, the first outer shell and the second outer shell can move upwards and downwards, the second outer shell is made of an elastic material, the opening of the second outer shell can be reduced due to the clamping structure arranged at the upper end of the second outer shell, then the second outer shell can sleeve the cigarette lighter of a vehicle, the vehicle-mounted inverter can be fixed, and the situation that accidents can be caused as the vehicle-mounted inverter is shaken off in the jumping running process of the vehicle can be avoided.

The invention discloses a method and device for starting an inverter, and belongs to the field of electric power. The method comprises the following steps: loss of the inverter is increased gradually, when the inverter is in the off-grid condition; direct current bus voltage of the two ends of a direct current bus capacitor of the inverter is measured; if the direct current bus voltage is larger than the preset threshold, the load capacity of a photovoltaic module is larger than the loss of the inverter for sure and the inverter is started; and the device comprises an adding module, a measurement module and a starting module. The method and the device have the advantages that when the inverter is in the off-grid condition, the loss of the inverter is gradually increased and the direct current bus voltage is measured to determine whether the inverter is started, so that the load capacity of the photovoltaic module can be detected accurately and the service life of the inverter cannot be affected by the detection of the load capacity of the photovoltaic module; and the method is suitable for any type of inverter.

The invention discloses an environmental testing device applied to a complex stress condition, and solves the problems that complex stress application tasks such as complex environments such as temperatures, humidity, mycete, salt mist and the like and multi-axis multi-freedom degree vibration stress and the like cannot be carried out simultaneously by adopting an experimental device in the priorart. The environmental testing device comprises an environmental strengthening box with a mounting hole, an equipment mounting base arranged at a mounting hole position in the environmental strengthening box, a mounting fixing part arranged around one circle of the mounting hole, an elastic sealing ring of which an inner ring is hermetically connected with the equipment mounting base and an outerring is hermetically connected with the mounting fixing part, and a vibration generation system which is arranged on the outer part of the environmental strengthening box and is used for driving the equipment mounting base to be vibrated. The environmental testing device is designed by utilizing thinking design of multi-layered isolation and technical integration, and complex stress application tasks such as temperatures, humidity, mycete, salt mist and multi-axis multi-freedom degree vibration stress can be carried out simultaneously.

The invention provides a method of separating vanadium and titanium efficiently from a vanadium slag mixed material. The method is characterized by comprising the following steps: (1) crushing and screening; (2) water quenching vanadium slag; (3) crushing and screening; (4) mixing; (5) tabletting; (6) roasting and activating; (7) roasting selectively; (8) cooling and uniformly mixing; (9) leaching; and (10) preparing vanadium pentoxide. Raw materials in the roasting process are prevented from being fused and decomposed by adding a silicon dioxide mixed material to tablet. Vanadium and titaniumare sulfated by ammonium sulfate roasting, and sulfate of titanium is decomposed by means of selective roasting, so that vanadium and titanium in the vanadium slag are separated. The method reduces the energy consumption needed by a conventional vanadium slag roasting and vanadium extracting process, and a tablet is roasted invariable in shape in the reaction process, and the condition that the service life is affected as the tablet is adhered to a reactor is avoided. The method is a typical low-carbon, green and environment-friendly vanadium slag utilization technique.

The invention discloses one electrical axis driven by alternating permanent simultaneous motor, which comprises outer ring stator and inner ring rotor, wherein, the rotor inside is fixed with electrical axis core; the stator outer ring is covered with cooling cover with spiral tank. The invention is of high efficiency, low noise, reliable operation and small torque.

The invention discloses a hinged quick-opening machine head, comprising a refrigeration machine head, a brace die and a transitional body, wherein, a porous plate is arranged between the transitional body and the refrigeration machine head, the refrigeration machine head is provided with an extrusion channel, and the extrusion channel is communicated with the porous plate and the brace die which is arranged at the outboard of the refrigeration machine head. The hinged quick-opening machine head is characterized in that: the transitional body is provided with a hinged support, the hinged support is provided with a hinged support bolt, the refrigeration machine head is provided with a machine head bolt, and a plurality of hinged connecting rods which connected with the hinged support bolt and the machine head bolt and are hinged with each other are arranged between the hinged support bolt and the machine head bolt. The hinged quick-opening machine head is convenience for changing nets, and by the hinge mechanism, the quick opening and closing of the refrigeration machine head is realized.

The invention relates to a rectangular dry type shell-and-tube heat exchanger. The rectangular dry type shell-and-tube heat exchanger comprises a tube pass and a broken-line-shaped shell pass, whereinthe tube pass is composed of a channel and U-shaped heat exchange tubes, and the broken-line-shaped shell pass is composed of a shell, a tube sheet and spoilers; a tube pass inlet and a tube pass outlet are formed in the channel; and a shell pass inlet and a shell pass outlet are formed in the shell. The rectangular dry type shell-and-tube heat exchanger is characterized in that the shell is a rectangular shell; one end of the shell is closed; the tube sheet is arranged at the other end surface of the shell; the multiple U-shaped heat exchange tubes are arranged in the shell in a rectangularmode; the end parts of the U-shaped heat exchange tubes are supported by the tube sheet; the channel is arranged on the outer side of the tube sheet and is used for performing shunting on the U-shapedheat exchange tubes; and a rectangular sealing gasket is arranged between the channel and the tube sheet.

The invention discloses a pole core of a lithium ion battery, the lithium ion battery, a manufacturing method for the pole core of the lithium ion battery and a manufacturing method for the lithium ion battery. The pole core of the lithium ion battery comprises an anode, a cathode and an isolating membrane. The isolating membrane is disposed between the anode and the cathode and used for isolating the anode and the cathode. The pole core is characterized in that the anode comprises an anode current collector and an anode active material, the anode current collector is provided with holes, the anode active material is filled in the holes of the anode current collector, the cathode comprises a cathode current collector and a cathode active material, the cathode current collector is provided with holes, and the cathode active material is filled in the holes of the cathode current collector. Accordingly, the thickness of a layer of the pole core in the lithium ion battery can be reduced in the case of maintaining the active compound content unchanged in each layer pole core of the battery, thus reducing the thickness of the whole battery in the end.

The invention discloses a bright color-changing sunshade net and a preparation method thereof. The bright color-changing sunshade net comprises the following ingredients: temperature sensing particles at a temperature of 15DEG C, temperature sensing particles at a temperature of 25DEG C, temperature sensing particles at a temperature of 30DEG C, polyethylene particles, straw powder, bamboo fibers, ethylene glycol, ethylenediaminetetraacetic acid, nanocarbon, foamed aluminium, acetaminophen and sorbitol. The raw materials are weighed, the temperature sensing particles at the temperature of 15DEG C, the temperature sensing particles at the temperature of 25DEG C and the temperature sensing particles at the temperature of 30DEG C are dipped into the sorbitol, are grinded and added into a reaction still to be heated and melted to obtain a first mixture; mixing fusion is carried out on the polyethylene particles, the straw powder, the bamboo fibers, the ethylene glycol, the ethylenediaminetetraacetic acid, the nanocarbon, the foamed aluminium and the acetaminophen to obtain a second mixture; the first mixture is added into the second mixture in three times, and the first mixture and the second mixture are evenly stirred to obtain a semi-finished product until the first mixture is completely added into the second mixture; the semi-finished product is added into an extruding machine to extrude master batches, and the master batches are woven into a net according to a conventional method. The bright color-changing sunshade net disclosed by the invention has a good sunshade effect, is suitable for four seasons and is attractive.

The invention relates to a sawdust roasting device, which is characterized in that the roasting device body (1) is a rectangular square, and the bottom plate (14) of the roasting device body (1) is provided with an ash bin (8) and a bottom bin (17) layer; the upper part of the ash bin (8) and the bottom bin (17) layer is a burning and baking layer, and the burning and baking layer in the baking device body (1) is provided with a shell (18) and a second layer (19) And the double jacket formed by the third layer plate (20) and the inner layer plate (21), a kind of sawdust baking device of the present invention, fully utilizes heat energy, is provided with double jacket to utilize heat in the combustion furnace, divides into two times The raw material is heated to remove moisture; the thermal efficiency is high and the fuel is saved.

The invention discloses an automatic synchronous swing device for an electrophoresis production line. The swing device comprises two low pressure devices, wherein the low pressure devices comprise frequency conversion motors, four driven rollers which are orderly mounted on a mounting plate from left to right, and the mounting plate, driving rollers are mounted on transmission shafts of the frequency conversion motors, a connecting line between the center of a first driven roller and the center of a second driven roller is a first connecting line, a connecting line between the center of a third driven roller and the center of a fourth driven roller is a second connecting line, the first connecting line is parallel with and located above the second connecting line, the frequency conversion motors drive the rotation of the driving rollers, and the driving rollers simultaneously drive the rotation of the first driven driving roller, the second driven roller, the third driven roller and the fourth driven roller through transmission belts. By adopting the synchronous swing device disclosed by the invention, an artificial bubble elimination operation is eliminated, automatic production operation with less people is achieved, and working distance and time on a working plane at the lowest end are simultaneously prolonged.

The invention relates to an automatic concentration control sulfur dioxide test box. The test box comprises a box body (1), the front end surface of the box body (1) is provided with a box door (2), a work chamber (4) is arranged in the box body (1), a sample rack (5) is installed on the inner wall of the work chamber (4), the test box also comprises an inflation system, a concentration detection system and a heating system, the inflation system is connected to an inflation port (6) of the work chamber (4) by a gas-guide tube, the concentration detection system is connected to a detection port (7) and a gas return port (8) by gas-guide tubes and are between the detection port (7) and the gas return port (8), the rear end of the work chamber (4) is provided with stirring blades (9), the stirring blades (9) are connected to an output end of a stirring motor (10), and the inflation system, the concentration detection system, the heating system and the stirring motor (10) are respectively connected to an electrical system by lines. The automatic concentration control sulfur dioxide test box can display and control a sulfur dioxide concentration in the box in real time, ensures uniformity of sulfur dioxide in air in the box, produces real and reliable test results and has a high automation degree.

A high-voltage insulator deicing machine comprises a first shell and a second shell, and a driving box is fixedly installed on the right side of the second shell. According to the invention, the first shell, the driving box, a probe, a handle, a first motor, a first rotating shaft, a deicing ball, a driving disc, a chain, a driven disc, a second rotating shaft, a driving wheel, a second motor, a third rotating shaft, a worm gear, a worm, a movable rod, a deicing head, a locking mechanism, a fixed seat, a spring, a pressing wheel, a sliding plate, a sliding groove, a sliding block, a supporting rod, a bearing box and a second shell are matched with each other; and the high-voltage insulator deicing machine has the advantages that the deicing effect is good, the problem that an existing high-voltage insulator deicing machine is poor in deicing effect is solved, when people deice a high-voltage wire, the phenomena that most ice layers cannot be removed thoroughly, high-voltage electrical equipment is prone to being short-circuited, the service life of the high-voltage electrical equipment is not affected are avoided, and the requirements of users can be met.