5results about How to "Understand performance" patented technology

The utility model discloses a testing device for testing the flow coefficient of a flow regulating valve. The testing device comprises a water tank; the flow regulating valve is arranged on the main pipeline; the differential pressure sensor is connected to the main pipeline on the two sides of the flow regulating valve; the pressure difference regulating valve is arranged on the main pipeline; the pneumatic three-way valve is arranged on the main pipeline, an inlet of the pneumatic three-way valve is connected to an outlet of the differential pressure regulating valve, and a first outlet of the pneumatic three-way valve is connected to an inlet of the water tank; the container is connected with a second outlet of the pneumatic three-way valve; and the mass meter is used for measuring the mass of the container. According to the device, a weighing method is adopted for flow measurement, a PLC system is combined for control and data collection, operation of a three-way valve and an auxiliary pump and the rotating speed of the pump are controlled, and signals of a high-precision electronic balance and differential pressure signals of a differential pressure transmitter are collected, so that accurate evaluation of the micro flow regulating valve is achieved.

The utility model discloses an automobile spoiler detection device, which relates to the technical field of aerodynamics, and comprises a support frame, the top of the support frame is fixedly connected with a connecting shell, the connecting shell is provided with an adjusting mechanism, the connecting shell is provided with a placing mechanism, the adjusting mechanism comprises a control console, and the control console is connected with the connecting shell. According to the spoiler detection device, the sliding rod is arranged, the fan blows air to the surface of the spoiler, the rotating speed of the fan can be adjusted through the console, then the detector can detect the surface of the spoiler, and during detection, the sliding rod can slide in the guide disc and drives the rotating strip to move at the moment, so that the angle of the air blown to the spoiler is changed, and the spoiler detection device is convenient to use. By means of the sliding rod capable of sliding in the guide disc, the angle of wind blowing on the spoiler can be changed, the influence of the spoiler on air flow at different angles can be evaluated more accurately, and the effect that the spoiler optimizes the performance of an automobile under various conditions can be known easily.

The invention discloses a multi-waveform lightning stroke pulse generation circuit, which comprises a power supply module, a first pulse signal generation module, a second pulse signal generation module and a third pulse signal generation module, the power supply module is respectively connected with the first pulse signal generation module, the second pulse signal generation module and the third pulse signal generation module; the first pulse signal generation module is used for forming a first single pulse signal based on the electric energy provided by the power supply module; the first pulse signal generation module comprises a switch QS1, a capacitor CH1, a switch KT1, a resistor R1, a diode D1, a resistor Rt1 and an inductor L3; and after the switch KT1, the resistor R1, the inductor L3 and the resistor Rt1 are connected in series, one end is connected to an intermediate node of the capacitor CH1 and the switch QS1, and the other end is connected to an intermediate node of the capacitor CH1 and the negative electrode of the power supply module. The pulse generation circuit simulates more complex lightning stroke conditions, and further improves the simulation complexity and authenticity.

This application relates to the field of large model technology and discloses a method, apparatus, device, storage medium, and computer program product for large model performance testing. The method includes: responding to a large model access request, accessing a large model website, running a monitoring script, collecting interaction information returned by the large model during the interaction process through the monitoring script, and generating a performance testing result of the large model website based on the interaction information. Since this application collects the interaction information returned by the large model during the interaction process through the monitoring script when accessing the large model website and generates a performance testing result of the large model website based on the interaction information, it is possible to perform performance testing on the large model website and thus understand the performance of the large model website during the interaction process.

The utility model discloses an adhesive force testing device for adhesive tape production, which comprises a testing frame, an upper support is arranged at the top of the testing frame, a screw sleeve is arranged below the middle of the upper support, and extension plates are arranged on the front side, the rear side and the left side of the screw sleeve. Fixing side plates are fixedly arranged below the two sides of the outer wall of the testing frame, a lower support is arranged between the tops of the fixing side plates, the lower support is located below the threaded sleeve, a guide rod is arranged on the parallel side of the threaded sleeve, tension meters are arranged on the front side and the rear side of the threaded sleeve correspondingly, and a clamping groove is formed in the lower support. Fixing piles are fixedly arranged on one side of the outer wall of the fixing side plate, the two fixing piles are oppositely arranged, and a to-be-tested table is arranged between the two fixing piles. According to the adhesive force testing device for adhesive tape production, a user can know the performance of the adhesive tape under different temperature conditions, interference of environmental fluctuation can be effectively eliminated for temperature control, and the adaptability of the device to adhesive force detection of the adhesive tape is improved.