Sample rod for magnetocaloric effect measuring instrument and use method of sample rod

Abstract

The invention discloses a sample rod for a magnetothermal effect measuring instrument. The sample rod comprises a sample rod body and a sample chamber, the sample chamber is arranged at the front end of the sample rod body, and a rear cone top is arranged on the rear side wall of the sample chamber; a threaded hole is formed in the front side wall of the sample chamber, a front jackscrew is arranged in the threaded hole, and the sample chamber is provided with a sample chamber cover. The invention further discloses a using method of the sample rod for the magnetothermal effect measuring instrument. According to the invention, a temperature sensor is tightly attached to a sample, the measurement precision is ensured, and the sample is prevented from being basically contacted with surrounding substances, so that the requirement of adiabatic measurement is met.

Description

technical field [0001] The invention belongs to the technical field of room temperature magnetic refrigeration, and in particular relates to a sample rod for a magnetocaloric effect measuring instrument and a using method thereof. Background technique [0002] Room temperature magnetic refrigeration is a solid-state refrigeration technology, and it is a new refrigeration technology that is expected to replace the traditional gas compression refrigeration technology. With the development of new materials and technologies, the development of room temperature magnetic refrigeration technology has been widely valued by various countries in the past ten years, and great progress has been made. This technology meets the requirements of today's sustainable development era, and is considered to be a green refrigeration technology that has the potential to replace traditional refrigeration technologies. The cooling medium used in the room temperature magnetic refrigerator is a solid...

AI Technical Summary

Problems solved by technology

However, this product has the problem that the temperature sensor and the sample are not firmly bonded. Sometimes the sensor and the sample may crack or detach during the measurement process. The light ones cause the measurement accuracy to decrease, and the severe ones cause the measurement to fail and reduce the measurement efficiency; At the same time, the sample is insulated by wrapping the heat-insulating material. There is a problem that the sample is in contact with the heat-insulating material, which causes the sample to conduct heat through the heat-insulating material, resulting in measurement deviation.

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