2results about How to "Simplify the overall structural space" patented technology

The invention discloses a high-flux multi-axis corrosion creep and stress corrosion testing device and a high-flux multi-axis corrosion creep and stress corrosion testing method. The device mainly comprises a reaction kettle, a multi-axis loading device, a displacement measuring device, a constant-temperature control device, a data analysis control system and the like. Four samples in a single reaction kettle are independently controlled and experimented through the multi-axis loading device, so that the experiment efficiency is improved; the data analysis system collects physical quantities in the experiment process in real time, the physical quantities are integrated in data integration analysis control software, real-time recording and analysis are carried out, and automatic feedback control is carried out on key physical quantities; the method comprises the following steps: acquiring a corrosive medium pressure signal, calculating to obtain a load applied to a sample by the corrosive medium pressure in a reaction kettle, correcting load output of a servo tensile testing machine in real time, and eliminating the influence of pressure fluctuation on the load applied to the sample; the constant-temperature control device is arranged between the reaction kettle and the servo tensile testing machine, so that components related to sample deformation measurement are not influenced by temperature fluctuation to generate deformation, and the deformation measurement precision is ensured.

The utility model belongs to the technical field of phase-locked loop capture, disclose a kind of phase-locked loop capture device, including temperature compensation crystal oscillator, frequency discriminator phase detector, loop filter, adder, voltage-controlled oscillator, power divider, phase detector, operational amplifier, amplifier and frequency divider;Temperature compensation crystal oscillator is connected with frequency discriminator phase detector, frequency discriminator phase detector is connected with adder by loop filter, adder is connected with voltage-controlled oscillator, voltage-controlled oscillator is connected with delay line by power divider, and one road is connected with phase detector;Wherein, phase detector is connected with adder by operational amplifier.The utility model initial locking voltage adopts phase discrimination conversion mode, with fast conversion speed, pre-set voltage precision higher advantage.Shorten the time of phase-locked loop capture while not influence phase noise and other indexes, and simplify circuit structure and space layout, so that application is more simple and convenient, cost is also reduced.In circuit design and structure form, it is more flexible, easy to expand.