55results about How to "Change intensity" patented technology

The present invention discloses a detection device for the production and processing of high specific volume corrosion foil, which relates to the technical field of corrosion foil production detection, including a bracket 1 and a bracket 2; a feeding part, which is used for conveying during the production process of the corrosion foil, unrolling the rolled corrosion foil for monitoring, and then reeling the corrosion foil after monitoring, and the feeding part includes a reeling and unwinding assembly fixedly mounted on the bracket 1. The advantages are: the device uses laser to detect the thickness and flatness of corrosion foils of different thicknesses, with high light intensity, high stability, fast light beam reflection speed, high detection efficiency, and in the detection process, the reflection point of the laser beam is received at the same point, the receiving point is single and stable, and the detection accuracy is high. In addition, the tension of the corrosion foil can be adjusted according to the actual situation of the corrosion foil during the detection process to ensure that the tension of the corrosion foil is within the optimal detection range, further improving the detection accuracy.

The invention discloses an induction power generation and frequency modulation vibration reduction integrated ballastless track vibration reduction structure, and belongs to the technical field of track traffic. A track plate and a base plate are longitudinally laid along a track line, and the track plate is located above the base plate; the adjusting layer is arranged between the track plate and the base plate; an elastic vibration reduction layer is arranged between the base plate and the piezoelectric device layer, and the elastic vibration reduction layer is filled in a limiting structure in the base plate; a silicon steel sheet iron core structure of an electromagnetic coil is arranged in the elastic vibration reduction layer in the limiting structure; the piezoelectric device layer is located between the adjusting layer and the base plate and connected with the electromagnetic coil through a wire. The piezoelectric material and the magneto-rheological elastomer material are adopted, integration of induction power generation and frequency modulation vibration reduction is achieved, when the pressure is not enough to enable the piezoelectric device to output current, the magneto-rheological elastomer material still has the mechanical property of a common rubber elastomer, the whole structure still can guarantee the vibration reduction function, and meanwhile power-off protection is achieved.

The invention discloses a metallized film capacitor health state assessment method and system based on audible noise signal analysis, a medium and equipment, and the method comprises the steps: building a discharge noise monitoring experiment loop; the metalized film capacitors in different health states are detached and connected to the discharge noise monitoring experiment loop; an alternating current and direct current superposition voltage experiment is carried out in the discharge noise monitoring experiment loop, the temperature of the metallized film capacitor in different health states is kept at 25 DEG C constantly in the experiment process, after pressurization is completed, noise waveforms are collected for 10 s to obtain noise waveform data, and voltage reduction and experiment stopping are carried out on the metallized film capacitor; according to the noise waveform data, respectively calculating sound pressure level levels of the metallized film capacitor in different health states, and simultaneously carrying out FFT analysis to obtain frequency domain characteristics of the metallized film capacitor; and acquiring a reference value of the sound pressure level at the initial operation moment, and judging the health state of the metallized film capacitor according to the sound pressure level and the frequency domain characteristics to obtain health or failure classification.

The invention belongs to the technical field of integrated photoelectronics, and discloses an MOS (Metal Oxide Semiconductor) type silicon-on-chip electro-optical modulator based on colloid nanocrystals and a preparation method thereof. The silicon waveguide layer is arranged above the waveguide cladding layer; optical couplers used for inputting and outputting optical signals are arranged at the two ends of the silicon waveguide layer; the dielectric layer is arranged above the silicon waveguide layer in a covering manner; a colloidal nanocrystalline layer disposed over the dielectric layer; the upper electrode layer is arranged above the colloid nanocrystalline layer; the lower electrode layer is communicated with the silicon waveguide layer; and the dielectric layer is used for changing the polarization state according to an external voltage and controlling the inductive charge concentration in the colloid nanocrystalline layer and the silicon waveguide layer through the polarization state. The room-temperature liquid phase processing procedure of the colloidal nanocrystal is simple, and is completely compatible with a silicon-based CMOS (Complementary Metal Oxide Semiconductor) process, so that low-cost and large-scale integration can be carried out; the colloidal nanocrystal has a plasma dispersion effect stronger than that of a silicon material, is easy to realize an ENZ effect, and can realize high modulation efficiency and high modulation depth.

The utility model provides a sealing device for an oxygen lance opening of a converter, which comprises a shell, an oxygen lance opening sealing device and an oxygen lance opening sealing device, and the shell comprises a cover plate, an outer side annular plate and a bottom plate; the shell is connected with the outer wall of the sliding through pipe, and the sliding through pipe is provided with a connecting hole; the first blowing ring and the second blowing ring are arranged on the inner wall of the sliding through pipe in a nested mode, a plurality of blowing holes are formed in the inner wall of the first blowing ring and the inner wall of the second blowing ring in the circumferential direction, and the blowing holes communicate with the connecting holes; the connecting holes and the blowing holes are inclined by a certain angle to the bottom plate relative to the horizontal plane where the second blowing ring is located in the longitudinal section, and the blowing holes are inclined by a certain angle relative to the radial direction in the overlook section of the first blowing ring and the second blowing ring. By changing the positions and the angles of the injection holes in the first injection ring and the second injection ring, the direction and the strength of airflow ejected by nitrogen are changed, so that the airflow is tangent to the outer wall of the oxygen lance after being ejected, the intensity of the airflow is prevented from being weakened, smoke is prevented from rising along the inner wall of the sliding through pipe, and the working environment is improved.

The utility model discloses an automatic tube film label heating device based on a tube film packaging machine with a labeling function, which comprises the tube film packaging machine and a labeling machine assembly fixed on the tube film packaging machine, a whole roll of PE tube film is arranged on the front side of the tube film packaging machine, a pulled PE tube film is arranged on the tube film packaging machine in a penetrating manner, and the labeling machine assembly comprises a labeling machine rack. A placement barrel and a backing paper recycling barrel are rotationally connected to the labeling machine rack, a whole roll of label paper is arranged on the placement barrel, label paper conveyed out of the whole roll of label paper is wound around the backing paper recycling barrel, a heating assembly is arranged on the left side of the barrel film packaging machine, and the PE barrel film heating lamp hose support and the label heating lamp hose support can be bent and deformed at will. Therefore, the directions and angles of the PE tube film heating lamp and the label heating lamp can be adjusted according to actual conditions, so that the heating lamps can more accurately heat the PE tube film and the label, and the adhesion reliability is improved.

The utility model discloses a screening device for fish feed particles, and relates to the technical field of screening devices. The vibrating screen comprises a supporting frame and a screen connected to the inner wall of the supporting frame in a sliding mode, a discharging hopper is arranged on the supporting frame in a communicating mode, and the vibrating screen further comprises an adjusting portion arranged on the supporting frame; the vibrating part is arranged on the screen mesh; wherein the adjusting part is located above the oscillating part, the screen only slides on the supporting frame in a very small range, the adjusting part comprises a power assembly, and the power assembly is installed at the top of the supporting frame and comprises a rotary disc arranged on the supporting frame. According to the fish feed particle screening device, by arranging the adjusting part, the problems that when an existing fish feed particle screening device is used, the oscillation strength is inconvenient to adjust, the screening strength is difficult to adjust according to fish feed particles with different sizes and hardness, and particles are damaged due to too strong oscillation or screening is not thorough due to too weak oscillation are solved.

The invention discloses a heat recovery device of an artificial climate chamber refrigerating system, and relates to the technical field of heat recovery. The heat recovery device of the refrigeration system of the phytotron comprises a refrigeration device, a discharge port is formed in the outer wall of the refrigeration device, and a guide mechanism is fixedly connected to the outer wall of the refrigeration device. According to the heat recovery device for the refrigerating system of the phytotron, by means of the special structural design of the bent pipe and the application of the Bernoulli principle, it is ensured that impurities carried by gas can smoothly flow into the impurity box under the pushing of pulse airflow through the pressure difference formed at the exhaust hole, and in the long-term operation process, even if the gas contains many impurity particles, the impurities can still flow into the impurity box. Impurities such as dust and greasy dirt are removed, deposition of the impurities in the bent pipe and a follow-up heat recovery component is reduced, the problem that an airflow channel is blocked due to impurity accumulation is solved, stable operation of the device is guaranteed, and the equipment maintenance cost and downtime caused by blocking are reduced.

A stamping die for a metal can with an elastic bottom includes a first die for punching and stretching a stamped object, a second die for re-stretching (or multiple stretching) the stamped object, a third die for forming the bottom of the stamped object, a fourth die for expanding the diameter of the can mouth of the stamped object and re-forming the bottom, and a fifth die for trimming the stamped object. The third die of the present invention can prevent the edge of the mouth of the stamped object from being squeezed and deformed when the bottom ring groove is stamped through the air-avoiding groove, thereby making a prerequisite for realizing elastic deformation of the bottom. The fourth die can expand the diameter of the metal can mouth through the coordination of the diameter expansion groove and the lower diameter expansion die, so that the can mouth is further expanded. At the same time, after the bottom ring groove is stamped twice, the local strength and durability of the bottom stress area can be changed. In the process of expanding the diameter, a pulling force will also be generated on the bottom of the metal can, so that the bottom is adjusted in micro-distance, thereby changing the elasticity of the bottom, causing it to produce elastic deformation, so that it has resilience.

The briquetting sorting line comprises a briquetting machine, a feeding conveying device and a discharging conveying device, the briquetting machine comprises a shell, a bottom frame, a briquetting mechanism and a hydraulic system, and a mounting column is arranged on the bottom frame. The briquetting mechanism comprises a hydraulic jack and a briquetting shell, the hydraulic jack is arranged at one end of the briquetting shell, one end of the briquetting shell is arranged at the uppermost end of the mounting column, the other end of the briquetting shell is arranged at the outermost end of the bottom frame, the briquetting shell is inclined, and the inclination angle alpha between the briquetting shell and the bottom frame is 30-60 degrees. Compared with a traditional horizontally-pushing briquetting machine, the briquetting mechanism of the briquetting machine is obliquely arranged (the inclination angle alpha ranges from 30 degrees to 60 degrees), due to the design of the inclination angle, garbage can move in the inclination direction according to the gravity of the garbage after being briquetted and is automatically discharged from the discharging port, an additional auxiliary discharging mechanism does not need to be added, and the cost is reduced. And the whole structure becomes simpler, and the input cost is lower.

The utility model discloses a kind of downhole working condition simulation devices for pressure control drilling experiment and test, including support, driving motor and test motor, driving motor and test motor are sequentially installed from top to bottom on support, driving motor and test motor are sequentially installed from top to bottom with upper mass simulator, elastic steel wire rope and lower mass simulator between them, lower mass simulator includes shell and rotating component, first loading disc, second loading disc and third loading disc are sequentially arranged from bottom to top inside shell, and locking component is arranged between;First loading disc is fixedly installed in shell interior, and the lower end of elastic steel wire rope is fixedly connected with upper end;Second loading disc and third loading disc are rotatably installed on the inner wall of shell by rotating component.The rotating component and locking component can control whether second loading disc and third loading disc rotate following first loading disc, change drill bit intensity in experimental process, increase the working condition simulation of pressure control drilling experiment and test.

The invention discloses a pineapple fiber blended fabric and a preparation method thereof, and relates to the technical field of textile fabrics, the fabric material comprises pineapple fiber, bamboo fiber, cotton fiber and polyester fiber; blending forming of the fabric is achieved through raw material selection and pretreatment, a spinning process, a weaving process and a finishing process. During desizing and softening finishing, a softening agent is added, so that friction force among fibers is reduced, the hand feeling of the fabric is softer, meanwhile, abrasion of the fibers in the friction process is reduced, pilling on the surface of the fabric is avoided, and the service life of the fabric is prolonged; the fabric is dried at a certain temperature, so that the internal stress of the fabric is eliminated, the size stability of the fabric is improved, the condition that the fabric shrinks or loosens after being cleaned is avoided, and meanwhile, the breaking strength and the air permeability of the fabric are effectively improved.

This utility model discloses a dual-function over-ear headphone, relating to the field of headphones. It includes a headband, with an earphone body connected to the bottom of the headband. A sponge pad is connected to the side of the earphone body, and a microphone is installed on the side of the earphone body away from the sponge pad. A mounting groove is formed on the side of the mounting groove, and a miniature air pump is installed inside the mounting groove. The output end of the miniature air pump is connected to a connecting pipe, which passes through and connects to the side of the airbag ring. A compression ball slides inside the telescopic groove. In this dual-function over-ear headphone, the airbag ring can expand inside the mounting groove after being supplied with gas. When the airbag ring expands, it can compress the side walls of the waterproof membrane and waterproof mesh fabric, improving the sealing effect of the earphone body. When the sponge pad is pulled, it can cause the sliding block to slide out of the L-shaped groove, and at the same time, the fixing block will also slide out of the surface of the fixing ring, allowing the sponge pad and the earphone body to be separated and disassembled, improving the convenience of using the headphones.

The utility model relates to the technical field of pipe pile hoisting, and provides a pipe pile shipment hoisting beam, which comprises a cross beam, a lifting lug arranged at the top of the cross beam, a plurality of underframes arranged at the bottom of the cross beam and a plurality of hoisting rings arranged on the cross beam, the cross beam comprises a first cross beam and two second cross beams symmetrically arranged at two ends of the first cross beam, two supporting plates are welded to one end of the second cross beam, a rotating shaft is arranged between the two supporting plates in a penetrating mode, the two ends of the rotating shaft are fixed to the two supporting plates through first locking pieces, trapezoidal plates are arranged at the two ends of the first cross beam, the other ends of the trapezoidal plates are connected with rotating sleeves, and the trapezoidal plates and the rotating sleeves are integrally formed. The rotating shaft penetrates through the rotating sleeve, the rotating sleeve and the rotating shaft rotate relatively, and a fixing device is arranged at the joint of the first cross beam and the second cross beam. The pipe pile shipment hanging beam has higher tensile strength and better stability, the stress of the whole structure is uniform, and the technical problem that an existing pipe pile shipment hanging beam is poor in structural strength and stability is solved.

The utility model discloses rehabilitation training equipment for the neurology department. The rehabilitation training equipment comprises a core shell. A sliding blind hole shell is arranged on an upper plate of the square frame in a sliding manner; the middle of a lower plate of the core shell protrudes upwards to form a containing part, a fixed core nut is fixedly arranged on the upper portion of the containing part, a core screw is arranged on the fixed core nut, an auxiliary movable nut is arranged on a stud part of the core screw, and the auxiliary movable nut is in threaded fit with the stud part of the core screw. The auxiliary movable nut is provided with a spring, and the top of the spring abuts against the lower side of the inner top wall of the sliding type blind hole shell. Personalized training intensity adjustment: the user can freely adjust the compression degree of the spring by adjusting the position of the auxiliary movable nut, so that the force required for pressing the cushion body is changed. The personalized setting ensures that the equipment can adapt to different rehabilitation stages and different individual training requirements, so that the rehabilitation process is more scientific and efficient.

The invention discloses a bath heater device, and belongs to the technical field of bath heaters. The bath heater device comprises a shell and further comprises a light source assembly arranged in the middle of the shell and used for emitting parallel light in the horizontal direction and generating heat radiation; the light reflecting assembly is arranged on the side portion of the shell and used for reflecting light emitted by the light source assembly, and the reflection angle is adjustable; the light emitting assembly is arranged at the bottom of the shell, and the light reflected by the light reflecting assembly is emitted to the outside of the shell through the light emitting assembly; the light-emitting assembly comprises a light-condensing light-emitting cover and a light-diffusing light-emitting cover. According to the bath heater, through the mode that the light source assembly emits light in the horizontal direction and then the light is reflected to the light emitting assembly through the light reflecting assembly to be emitted, the overall thickness of the bath heater can be reduced to a certain degree, and therefore the problem that in the prior art, a bath heater lamp is too thick is solved; the effect of changing the heat radiation area and position can be achieved, and the functionality and applicability of the bath heater are improved.

The utility model discloses a manipulator with adjustable gripping force, which relates to the technical field of manipulators and comprises a base and a V-shaped pin, an air cylinder is fixed at the bottom of the base through a bolt, the output end of the air cylinder is fixedly connected with a telescopic rod, the V-shaped pin is connected to the output tail end of the telescopic rod, and a guide rod at the bottom of the V-shaped pin is connected with the telescopic rod through a pin body. According to the mechanical arm with the adjustable grabbing force, through the arrangement of the piezoelectric type force measuring sensors, when the clamping jaws are closed, the V-shaped pins abut against the piezoelectric type force measuring sensors located at the top ends of the interiors of the stand columns, when the force transmission upper cover is stressed, force is transmitted to the quartz plate to trigger the piezoelectric effect, and finally the applied force is converted into electric charges to be detected; if the force of the air cylinder needs to be changed, only one compressed air adjusting valve needs to be additionally arranged between the control valve and the air cylinder for adjustment, the force of the air cylinder is indirectly adjusted by controlling the pressure of the air cylinder, and therefore the grabbing force of the clamping jaw is changed.

The utility model relates to the technical field of oily water recovery, disclose a kind of adjustable type blow-off anti-spray device of compressor, including inner tube, reflector and body, inner tube and body are tubular parts, inner tube is set in body one end and is inserted into body interior, reflector is slidably arranged on inner tube, body and inner tube connection end are provided with first discharge port, the inside of body remote from inner tube end is sequentially provided with labyrinth section and second discharge port from top to bottom.The body interior adopts labyrinth structure and the umbrella-shaped capture board with small hole, the top of inner tube is provided with the reflector of height-adjustable, the depth of inner tube adjustable insertion body, to change the intensity and speed of liquid injection according to the height of pressure.Through this structure, the mixed liquid into the device can go its own way, lighter gas flows out from the top, and the liquid after decompression flows out from the bottom of the device, thereby avoiding the pollution of surrounding environment caused by the splashing of liquid under pressure.

The invention relates to the field of combustors, in particular to a rich-lean separation combustor with a blending device, which comprises a combustor shell, a guide sheet is fixedly mounted on the inner side wall of the combustor shell, an elastic steel sheet extends from the end part of the guide sheet, the elastic steel sheet is bent, an adjusting thread bushing is connected to the edge of the rear end of the elastic steel sheet, and the adjusting thread bushing is connected to the inner side wall of the combustor shell. A ball sleeve is slidably installed on the outer surface of the adjusting threaded sleeve, a ball seat is installed on the outer surface of the ball sleeve in an attached mode, the ball seat is embedded in the rear end of the burner shell in a penetrating mode, an adjusting threaded column is connected to the rear end of the ball sleeve, the adjusting threaded sleeve is screwed to the outer surface of the adjusting threaded column, and an ejection piece is arranged at the corner of the burner shell. According to the invention, the concentration and the lightness of the separated pulverized coal can be adjusted, the use requirement is effectively met, and meanwhile, the service life of the burner is also ensured.

The invention relates to the technical field of ferrochrome smelting, in particular to a smelting electric arc furnace for producing low-carbon ferrochrome through hot blending, which comprises a furnace body, the furnace body is mounted on an operation platform through a furnace tilting device, a low smoke hood is mounted on the furnace body, and a hot blending system is arranged on the operation platform on one side of the furnace body; an anti-boiling mechanism is arranged on the operation platform, and locking mechanisms are arranged at the opening of the furnace body and on the low smoke hood. The locking mechanism is driven through the anti-boiling mechanism and the linkage assembly, it is ensured that the low smoke hood and the furnace body are tightly closed, and smoke dust, waste gas and heat generated in the smelting process are effectively prevented from overflowing from gaps. The environment is protected, pollution is reduced, the heat efficiency in the furnace can be improved, and energy consumption is reduced. The closely-closed low smoke hood can reduce air flow in the furnace, so that the phenomenon of large boiling of molten steel caused by air convection is reduced.

The present invention discloses a fatigue test device for a high-temperature alloy sealing spring for an aero-engine, which relates to the technical field of spring fatigue testing, and aims to solve the technical problem that the test content of the existing fatigue testing machine is relatively single, and it is difficult to perform fatigue testing on the torsional force and bending force to which the spring is subjected. The device comprises a workbench, a push-pull assembly and a reciprocating drive assembly are arranged on the top of the workbench, a positioning assembly is arranged between the push-pull assembly and the reciprocating drive assembly, and an adjustment assembly is arranged at the bottom of the workbench. The reciprocating drive assembly is used to apply a reciprocating torsional force or a reciprocating bending force to the test spring, and perform a torsional force fatigue test or a bending force fatigue test on the test spring. The present invention has the advantages of being able to perform elastic fatigue test, torsional fatigue test and bending force fatigue test on the test spring respectively, and simulating the tensile, compressive, torsional and bending forces that the test spring may be subjected to in actual applications.

The utility model relates to the technical field of spray guns, in particular to a spray gun assembly for multi-color spray of artificial baits, which comprises a plurality of spray guns and a control assembly, the plurality of spray guns are sequentially and transversely arranged, each spray gun comprises a spray head and a gun handle, the spray heads are fixed on a placing plate, a pull plate is arranged on the gun handle, and the control assembly is connected with the spray guns. The pulling plate is arranged at the bottom of the placing plate in a sliding mode, an inserting hole is formed in the rear end of the pulling plate, a telescopic piston rod is arranged in the inserting hole, a mounting vertical plate and a mounting transverse plate are arranged on the rear side of the placing plate, the control assembly comprises a control motor, a threaded rod and a plurality of electromagnetic valves, and the control motor is fixedly arranged on the mounting vertical plate. The threaded rod penetrates through the mounting vertical plate to be fixedly connected with the output end of the control motor, the mounting vertical plate and the mounting transverse plate are perpendicularly fixed to each other, the multiple electromagnetic valves are transversely arranged and fixed to the mounting transverse plate, the piston rods are located at the output ends of the electromagnetic valves, the depth of sprayed paint can be stably controlled, and the final finished product quality is improved.

The present invention discloses a graded air distribution device, comprising: an air inlet housing, an air regulating device, a nozzle, a primary airflow channel, a secondary airflow channel and a rotating airflow regulating structure; the air inlet housing comprises an internal cavity, an air inlet and an air outlet; the nozzle is connected to the air outlet of the air inlet housing; the air regulating device is installed at the air inlet of the air inlet housing; the primary airflow channel and the secondary airflow channel are located in the internal cavity of the air inlet housing, and the primary airflow channel and the secondary airflow channel are relatively independent. The graded air distribution device of the present invention is jointly regulated by the rotating airflow regulating structure and the position of the air regulating plate, and the ratio and rotation intensity of the primary and secondary air ejected at the nozzle can be changed. When used on a burner, flames of different shapes can be obtained, and it can be suitable for different furnace body shapes, improve the fuel mixing effect, and control the combustion speed of the fuel through graded air distribution, thereby effectively reducing the emission of NOx in the flue gas.

The utility model provides a sequin LED flash stage skirt which comprises a stage skirt body, a plurality of sequins are arranged on the surface of the stage skirt body, a placement plate is fixedly connected to one sides of the sequins, and a flash mechanism is arranged on one side of the placement plate and can enable the sequins to flash through light refraction. The connecting mechanism is fixedly arranged on one side of the placement plate, and the sequins can be installed on the stage skirt through the connecting mechanism; the flashing mechanism comprises an embedded groove formed in one side of the placement plate, and a storage battery is fixedly installed in the embedded groove. The utility model relates to the technical field of stage skirts. According to the sequin LED glittering stage skirt, the glittering mechanism is arranged, when a user performs a performance on a dark stage, the storage battery is started to supply power, the LED lamp beads are made to glitter, then the glittering is refracted through the sequins, the stage skirt is better shiny and bright, and therefore the visual effect that audiences appreciate the stage skirt is improved.

The invention relates to the technical field of medical equipment, in particular to multi-directional adjusting type surgical infected wound flushing and nursing equipment. Comprising an electric guide rail installed on the tank cover, a sliding block is jointly connected in the electric guide rail and the through groove of the tank cover in a sliding mode, an infusion tube is rotatably installed in the sliding block in a penetrating mode, and a pair of silica gel bandages is arranged in the infusion tube. The bottom end of the liquid conveying pipe is hinged and communicated with a nozzle, an adjusting mechanism for adjusting the orientation of the nozzle is arranged on the sliding block, and the adjusting mechanism comprises a circular rail arranged at the bottom of the sliding block. The flushing mechanism and the electric guide rail are arranged to control the sliding block to slide, the spray head can move to spray flushing fluid to a wound to flush the wound, the adjusting mechanism is arranged, the angle of the spray head can be changed, the rotating speed of the spray head is increased, the frequency of repeatedly flushing the wound with the flushing fluid is increased, and the flushing effect on the wound is guaranteed.

The present invention provides a resilient finger flexor tendon injury fixation brace, which belongs to the technical field of medical devices. It mainly includes a fixing belt for fixing the finger and a rotation limiting structure for limiting the rotation angle of the finger joint; the fixing belt is connected to the rotation limiting structure, and the fixing belt is divided into an upper fixing belt and a lower fixing belt, and the upper fixing belt and the lower fixing belt are connected through the rotation limiting structure; the lower fixing belt is installed with an elastic contraction structure for assisting finger flexion, and the elastic contraction structure is connected to the upper fixing belt. The present invention can limit the angle of finger flexion by setting a rotation limiting structure, and different limiting angles can be selected, which is suitable for different degrees of finger flexion training; an elastic contraction structure is also provided, and the size of the elastic force is adjusted by adjusting the length of the elastic line, thereby changing the intensity of passive flexion of the finger.

The present invention relates to a system and method for controlling battery charging of an environmentally friendly vehicle. The system includes: an on-board charger (OBC) installed in the vehicle, which sets a required charging current based on available charging current information received from a power supply unit, which provides power for charging the battery, the on-board charger sends the required charging current information to the power supply unit, and converts the power provided by the power supply unit to charge the battery; and a controller, which determines whether the charging of the battery is completed, and when it is determined that the charging of the battery is abnormally terminated in a state where the charging is not completed, changes the required charging current to charge the battery based on first information provided by the power supply unit when the charging is abnormally terminated and based on second information provided by the power supply unit when the charging is normally completed.

The invention discloses a method for detecting aging of an organic light-emitting diode based on pure optics, and relates to the technical field of OLED detection, the method comprises the following steps: placing a to-be-tested OLED panel in a specified test slot, electrifying the OLED panel, and continuously refreshing the current intensity between the positive electrode and the negative electrode of the OLED panel, so that light information emitted by each pixel in the to-be-tested OLED panel penetrates through a corresponding light filter layer, and the light information is transmitted to the OLED panel; a photosensitive layer is derived behind the light filtering layer, the photosensitive layer is provided with a plurality of photosensitive units, and the photosensitive units are used for collecting light signals penetrating through the light filtering layer. The technology developed by the invention has the effects of accurate detection result, no influence on the structure of the original display panel and low destructiveness on the premise of ensuring the production cost and the thickness of the OLED panel.

The utility model discloses a device for deicing the contact conductor of electrified railway, include: the accommodating casing, its bottom is provided with first drive motor, and first drive motor is used for driving the horizontal rotation of accommodating casing, the horizontal setting is inserted in the accommodating casing to its inner end, and its outer end extends to the accommodating casing outside, second drive motor is located in the accommodating casing, and its rotor is fixedly connected with the inner end of rotating rod, deicing hammer is installed in the outer end of rotating rod, is used for the vertical rotation under the driving of second drive motor, and then makes deicing hammer impact the contact conductor of electrified railway, breaks the ice on the contact conductor, the utility model discloses belong to physical deicing, can effectively remove high hard ice layer, and energy consumption is lower, and operation is safer.

The invention provides an environment-friendly total-synthesis water-based aluminum alloy cutting fluid and a preparation method thereof, and belongs to the field of cutting fluids. The cutting fluid is prepared from the following chemical components: 2.0 to 5.0 parts of diethylene glycol dimethyl ether, 0.5 to 1.5 parts of triethanolamine, 0.1 to 1.0 part of sodium chloride, 1.0 to 3.0 parts of sulfolane, 0.5 to 1.5 parts of a surfactant, 0.1 to 1.0 part of an aluminum corrosion inhibitor, 0.05 to 0.3 part of an extreme pressure agent and 85 to 96 parts of dolomite / zirconium oxide based nanofluid. The dolomite / zirconia-based nanofluid is prepared from dolomite, zirconia, quaternized sodium alginate and deionized water. The chemical components of the cutting fluid are reasonably designed, so that the lubricating performance, the cooling performance and the environment-friendly performance of the cutting fluid are improved at the same time.