7results about How to "Large controllable range" patented technology

The invention discloses a test device and method for simulating an ultra-high-speed penetration ground impact effect, and the device employs a static load loading system to apply a static load to the periphery of a sample so as to simulate a ground stress environment, and employs a dynamic load loading system to apply an impact dynamic load to the top of the sample so as to simulate ground impact. In the dynamic loading system, a phase change reaction kettle is used for heating liquid CO2 to a supercritical high-pressure state; the liquid filling module is used for filling liquid CO2 into the phase change reaction kettle; the gun barrel is used for receiving high-pressure gas released by the phase change reaction kettle and forming ground shock waves similar to a plane; the stress wave lens module is used for adjusting the width of shock waves through a stress wave lens combination and acting the shock waves on the sample; the control module can control the shock wave peak pressure by regulating the heating power of the phase change reaction kettle, and can control the duration time of shock waves by regulating the bore diameter of the gun barrel. According to the invention, controllable and high-fidelity simulation of the ultra-high-speed penetration impact effect is realized.

The application discloses a test device and method for simulating the impact effect of super-high-speed penetration into the ground, wherein a static load loading system is used to apply static load to the periphery of a sample to simulate the ground stress environment, and a dynamic load loading system is used to apply impact dynamic load to the top of the sample to simulate the ground impact, wherein in the dynamic load loading system, a phase change reaction kettle is used to heat liquid CO2 to a supercritical high-pressure state, a liquid charging module is used to charge the phase change reaction kettle with liquid CO2, a barrel is used to receive the high-pressure gas released by the phase change reaction kettle and form an approximately planar ground shock wave, a stress wave lens module is used to adjust the width of the ground shock wave through a stress wave lens combination and act on the sample, and a control module can control the peak pressure of the ground shock wave by regulating the heating power of the phase change reaction kettle and can control the duration of the ground shock wave by adjusting the aperture of the barrel. The application realizes controllable and high-fidelity simulation of the impact effect of super-high-speed penetration into the ground.

This invention relates to a variable-order, variable-capacity water tank. The technical problem this invention aims to solve is to provide a nonlinear, multi-purpose water tank with variable order and variable capacity. The technical solution adopted by this invention includes a water tank body, a sealing plate, a first insert plate, a second insert plate, and a third insert plate. The water tank body includes a bottom plate and a tank casing. The tank casing is divided into a first inlet chamber, a first outlet chamber, an overflow chamber, a second outlet chamber, a second inlet chamber, a first working chamber, a second working chamber, and a third working chamber by a water tank partition. Water passage holes are provided between the first inlet chamber and the first working chamber, and between the second inlet chamber and the third working chamber. The advantages of this invention are: the water tank structure is ingeniously designed, allowing for variable capacity and variable order, enabling the construction of mathematical models of various orders; the structure of the sealing plate and insert plates replaces the traditional manual valve structure, exhibiting more significant nonlinear characteristics, enabling the system to stabilize quickly, shortening experimental time, and increasing the controllable range.

The present invention discloses an air outlet panel and an air conditioner, wherein the through air outlet (801) of the air outlet panel (800) comprises a left area of ​​the air outlet and a right area of ​​the air outlet divided along the length direction of the through air outlet (801), the left area of ​​the air outlet is arranged with a left air guide plate assembly (1), and the right area of ​​the air outlet is arranged with a right air guide plate assembly (2), and the left air guide plate assembly (1) and the right air guide plate assembly (2) swing and supply air independently of each other. The left air guide plate assembly and the right air guide plate assembly of the air outlet panel of the present invention can control the swing angle of their respective areas separately, so that the controllable range of the air outlet angle of the air outlet panel is wider, and at the same time, while ensuring that the entire indoor temperature can be adjusted, the air volume can be effectively dispersed to the left or right side by independent air supply by partitioning, and excessive air volume can be avoided from directly blowing onto the human body, thereby being more conducive to improving user satisfaction.

The invention discloses an alkaline secondary battery current collector base band and application thereof.The current collector base band comprises a metal base band, a plurality of burr units are evenly distributed on the metal base band in an array mode, and each burr unit is composed of front trapezoid burrs and back trapezoid burrs which are symmetrically arranged; long bottom plates of the front trapezoid burrs and long bottom plates of the back trapezoid burrs are adjacent and parallel to each other, front trapezoid burr long bottom edges formed by the front trapezoid burrs are connected with the metal base band, front trapezoid burr short bottom edges form front trapezoid burr ends, and back trapezoid burr long bottom edges formed by the back trapezoid burrs are connected with the metal base band. And the reverse trapezoidal burr short bottom edge forms a reverse trapezoidal burr end part. The current collector base band adopting a specific trapezoidal burr bidirectional arrangement mode effectively improves the conductivity of the polar plate and reduces the battery resistance, so that the assembled alkaline secondary battery has high rate performance, long cycle service life and other electrical properties and high specific energy, and meanwhile, the requirements of high power and high specific energy of the battery are met.

The utility model discloses a bulldozer scraper knife inclined supporting device which comprises a bucket body and a connecting frame, two rectangular strips are symmetrically and fixedly connected to the left side of the connecting frame, two second U-shaped frames are symmetrically and fixedly connected to the right side of the bucket body, and the left sides of the two rectangular strips are rotationally connected with the two second U-shaped frames respectively; the rotating mechanism comprises two second connecting rods which are symmetrically and fixedly connected to the right side of the bucket body, the right sides of the two second connecting rods are jointly and fixedly connected with a first connecting rod, a first U-shaped frame is installed at the upper end of the connecting frame, and a lantern ring is arranged on the first connecting rod in a penetrating mode; a hydraulic telescopic rod is arranged above the connecting frame, and the telescopic end of the hydraulic telescopic rod is fixedly connected with the lantern ring. When the device is used, only one hydraulic telescopic rod is adopted, the angle of the scraper knife body can be adjusted, and the adjusting stability can be higher through cooperation of a guide plate and a guide groove.

The invention belongs to the field of oscillators, particularly relates to a differential cross-coupling voltage-controlled oscillator of a CLASS-D structure, and aims to solve the problem that the advantages of low power consumption, extremely low noise, wide frequency regulation range and complete output waveform cannot be achieved in the prior art. According to the invention, a resonance stage module and a filtering stage module are connected through blocking capacitors Cm1 and Cm2; the resonance level module is based on a CLASS-D structure and is used for generating an oscillation signal with extremely low noise, and the frequency of the oscillation signal is adjusted through frequency band selection and a variable capacitance diode; and the filtering stage module is used for carrying out band-pass filtering and swing adjustment on the signal generated by the resonance stage module, realizing distortion waveform recovery and outputting a pair of differential sine wave signals. The circuit has the advantages of extremely low noise, wide frequency adjustment range, good signal integrity, low power consumption and the like.