2results about How to "Detection temperature" patented technology

The utility model relates to a kind of circuit based on NTC sampling to promote the performance of MOS tube, comprising: NTC sampling unit, voltage following unit and filter unit;The NTC sampling unit is arranged at MOS tube side, the output of the NTC sampling unit is connected the input of the voltage following unit, and the input of the voltage following unit is sent to MOS tube control module after passing through the filter unit.The circuit based on NTC sampling to promote the performance of MOS tube provided by the utility model, with the characteristics of NTC, the temperature of MOS can be effectively detected and controlled, MOS tube can be effectively protected to improve its performance, and the performance of high-frequency electrotome is further improved.

The present application relates to a deep geophysical mechanics test system geothermal experiment cabin, including cabin body and six butt pressure heads, the cabin body includes six direction heating panels, the heating panel is internally provided with an electric heating element; six butt pressure heads are respectively installed in the through hole of one of the heating panels and can be axially moved relative to the cabin body; a high elasticity pressure box is operatively arranged in the cabin body, the high elasticity pressure box includes six pressure heads, the six pressure heads are connected together by elastic sheets to form a sample space, the six pressure heads are respectively butt-jointed with one of the butt pressure heads, and the pressure head is provided with a temperature sensor and / or a heat flow sensor. The cabin body of the present application can be butt-jointed with a loading system and a high elasticity pressure box, the loading system force can be transmitted to the sample, the sample can be provided with a high temperature environment, and the sample temperature can be detected, fed back and adjusted in real time. A matched triaxial six-way stress loading system is used, and the reservoir rock mechanics behavior test under real-time high temperature can be realized.