System for testing heat conduction coefficient of solid material with irregular size

The utility model discloses a system for testing a heat conduction coefficient of a solid material with an irregular size, relates to a system for testing the heat conduction coefficient, and aims to solve the problem that the heat conduction coefficient of the solid material with an irregular shape cannot be measured as an experiment sample has to be manufactured according to a size required by an instrument during conventional measurement of the heat conduction coefficient. A measurement furnace of the system disclosed by the utility model comprises a furnace body, wherein a flat-plate heater, a heat plate, a first cold plate, a heat flow meter, a second cold plate and a constant-temperature water tank are arranged in the furnace body in sequence from bottom to top; a plurality of first temperature detection elements are arranged on the first cold plate; a plurality of second temperature detection elements are arranged on the second cold plate; a plurality of third temperature detection elements are arranged on the heat plate; a constant-temperature water circulating loop is formed by a constant-temperature water circulating machine and the constant-temperature water tank through a water pipe; a measurement chamber is formed by the heat plate, the first cold plate and the side wall of the furnace body. According to the system, the measurement period can be shortened by 20 percent, and the sample cost can be reduced by over 60 percent.