3results about How to "Stable design structure" patented technology

The utility model discloses a kind of wall steady-state heat transfer property detection equipment, it is related to wall steady-state heat transfer detection technical field. Including detection box, heating assembly, fixing piece and detection piece, the simulation wall is placed in detection box and is fixed to simulation wall by fixing piece, after fixing piece is fixed to simulation wall, the detection box is divided into two chambers, the heating cavity below simulation wall, heating assembly is set in heating cavity and heats, it is detection cavity above simulation wall, temperature detection is carried out in detection cavity by detection piece. The utility model is set through heating assembly, fixing piece and detection piece etc., and the accuracy of heat transfer is ensured by heat insulation design and flexible thermometer adjusting function, to improve the reliability of detection result, fixing piece installation, quick cover plate sealing and simple thermometer adjustment operation, obviously improve detection efficiency.

The utility model discloses an ignition flame sensing self-adaptive driving circuit and a gas wall-hanging stove, which are applied to gas equipment, and comprise a power supply modulation module, a signal modulation module, an ignition boosting module and a flame sensing module, a first input end of the signal modulation module is connected with a square wave signal given source to obtain a square wave signal, and a second input end of the signal modulation module is connected with a second input end of the flame sensing module; the second input end of the signal modulation module obtains power supply voltage, the signal modulation module superposes and modulates the square wave signal and the power supply voltage into a sine wave signal, the power end of the ignition boosting module is connected with the signal output end of the signal modulation module, and the controlled end of the ignition boosting module is used for being connected with the control module to obtain an ignition control signal. The output end of the ignition boosting module is connected with the ignition needle, the sampling end of the flame sensing module is connected with the signal output end of the signal modulation module and the current-conducting plate, the output end of the flame sensing module is used for being connected with the control module, the design structure is stable, the production cost is reduced, the production efficiency is improved, and detection is stable and reliable.

The application discloses a kind of eccentric error measuring devices suitable for threaded pair transmission shaft parts, it is related to mechanical performance testing field, its technical scheme includes base assembly, fixed component, measuring assembly and rotary positioning assembly;The fixed component, measuring assembly and rotary positioning assembly are all set on base assembly;The base assembly includes base, the first guide rail and the second guide rail are arranged on the base, the first guide rail is slidably connected with the first slider, the second slider and the fifth slider;The second guide rail is slidably connected with the third slider, the fourth slider and the sixth slider.The present application can accurately measure the roller diameter error by measuring separately and taking average, which improves the data support and protection for determining the eccentricity of planetary roller screw, an important indicator, and has important significance for improving the operation stability and service life of planetary roller screw.