JPH02107049U - - Google Patents

Description

[Brief explanation of the drawing]

FIG. 1 is an exploded perspective view showing a preferred embodiment of the black body reference device according to the present invention, FIG. 2 is a front view and side view of the reference device of FIG. 1, and FIG. 3 is a simplified black body of the embodiment. An explanatory diagram showing a radiation temperature measurement experiment conducted using a reference device,
Figure 4 is an explanatory diagram showing the measurement points in the experiment shown in Figure 3, Figure 5 is a diagram showing the results obtained in the experiment shown in Figure 3, and Figure 6 is the control of the simple blackbody reference device of the example. FIG. 7 is a flowchart showing the operation, FIG. 7 is a diagram showing the position occupied by the simple blackbody reference device of the present invention in the calibration system, and FIG. 8 is a sectional view showing the configuration of a conventional fixed point blackbody furnace. 26... Box body, 28... Insulating material with window, 32... Soaking plate, 32a... Heat radiation surface, 32b... Heater groove, 34
...Insulating insulator, 36...Heater, 38...Press plate, 4
0...R thermocouple, 42...concave insulation material.

Claims (1)

[Scope of utility model registration request] A heat equalizing plate with a heat radiation surface painted with a black body and heaters arranged evenly so that the entire surface is evenly heated, and a temperature sensor embedded in the center of this heat equalizing plate to detect the temperature of the equalizing plate. A simple blackbody reference device that outputs radiant heat at a predetermined temperature based on the temperature detected by the temperature sensor.