JPH03118430A - Displaying method for thermography apparatus - Google Patents

Abstract

PURPOSE:To grasp temperature variation of an entire material due to aging on a screen by providing a specified point display area for displaying the temperatures at a plurality of predetermined points and a trend-display area for the specified points on the screen. CONSTITUTION:A display area A1 is provided for a material to be measured is provided in the central part of a screen. A plurality of color bars 3a and temperature scales 3b for respective colors are provided at the side parts. A specified-point display area A2 is provided on the left half of the scope. The temperatures of a plurality of points specified on the area A1 are displayed on the area A2. The maximum number of 16 points (a) - (p) can be specified for the specified points. Of those points, 9 points are set. Furthermore, the maximum values ah - ph and the minimum values al - pl can be displayed on the lower parts of the temperature indicating parts of the points (a) - (p) for the temperatures from the time when the measurement is started. A trend display area A3 is provided on the lower part of the areas A1 and A2. The temperatures classified in colors for the points (a) - (p) are continuously displayed in a graph pattern on the area A3.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method for displaying temperature distribution in a thermography apparatus that displays a temperature distribution image.

[Prior Art] To display the temperature distribution of a measurement object, a thermography device is used that detects infrared energy emitted from the surface of the measurement object and displays the temperature distribution as a plurality of pseudo-color images.

What is shown in FIG. 3 is a temperature distribution display by a conventional thermography device.

In this device, an image of a measurement object 31 is displayed on a display screen 30. Then, a plurality of predetermined stages (5 in the figure) are placed on the measurement object 31 based on the detected infrared energy.
(stage) is displayed in color. In order to know the temperature of any part of the measurement object 31, it can be obtained by comparing with the color bar 32 for each stage.

Further, by moving and setting the temperature at a desired location using a plurality of cursors 33, the temperature at this cursor portion is displayed as a numerical value on the screen 30.

[Problems to be Solved by the Invention] However, in the conventional thermography apparatus, only the color display of the temperature distribution and the temperature at a specified point are displayed.

Therefore, there is a problem in that it is not possible to obtain the temperature change over time of the measurement object 31 from the screen, and it is not possible to grasp the temperature change of the measurement object 31 as a whole.

The present invention has been made in view of the above-mentioned problems, and an object of the present invention is to provide a display method for a thermography apparatus that allows the temperature change of the entire object to be measured over time to be obtained from the screen.

[Means for Solving the Problems] In order to achieve the above object, a display method for a thermography apparatus of the present invention is provided for a thermography apparatus that displays the temperature distribution of a measured object in multiple colors on a screen using infrared energy emitted from the measured object. , the screen is characterized by providing a designated point display area for displaying temperatures at a plurality of points designated in advance, and a trend display area for displaying a trend graph of the designated points.

[Function] According to the above configuration, the multicolor display of the temperature distribution of the measured object, the temperature display of the specified point in the specified point display area, and the trend graph in the trend display area are displayed on the same screen. In the display area, the temperature of the specified point can be immediately obtained as a numerical value, and in the temperature display area, the trend of the change state of the specified point over time can be easily obtained.

[Example] FIG. 1 is a diagram showing an example of a display by a display method of a thermography apparatus according to the present invention.

On the screen l, a display area Al for the object to be measured S is provided in the center, a color bar 3a with multiple colors is provided on the side thereof, and a temperature scale 3 predetermined for each color is provided on the side of the color bar ja.
b is displayed.

A designated point display area A2 is provided in the left half of the screen. This designated point display area A2 displays the temperatures of a plurality of points designated in the display area At. In the example, the designated point is a "-'
A maximum of 16 points up to p can be specified, of which 9 points have been set.

At the bottom of the temperature display for each specified point a ''-' p, the maximum value ah - of the temperature from the start of measurement is shown.
ph and the minimum value a l w p l are displayed.

In the lower part of this designated point display area A2, the maximum temperature and minimum temperature in the display area Al and their locations are displayed on the X-Y axis predetermined in the display area At. The X-Y Kashiwa origin is the lower left part of the display area A1.

In the upper left part of designated point display area A2, there is an 8-digit I.
A D number 4a and an emissivity value 4b are displayed. In addition, the temperature display 5a of the cross point part, the maximum temperature 5b of the cross point from the start of measurement, and the minimum temperature 5 are displayed on the right part.
c is displayed. This cross point can be freely moved within the measurement display area A1.

A trend display area A3 is provided below the display area Al and designated point display area A2.

This trend display area A3 includes the specified points a to
Temperatures are displayed in a continuous graph, color-coded by p. The horizontal axis is a time scale, and the vertical axis is a temperature scale. This graph display is displayed on the screen at intervals of the interval time display 6a.
Draw a graph horizontally for each dot. This graph display is scrolled when it is displayed to the right of the trend display area A3.

A date and time display 7a and a time display 7b are displayed at the bottom right of the screen.

In this way, on the screen L, the temperature value of the designated points a to p is displayed in color along with the minimum and maximum values of the measurement object S, and the trend of the designated points a to p is also displayed. The temperature change state of each measurement point ap of the object S over time can be immediately obtained.

Next, FIG. 2 is a block diagram showing the configuration of the thermography apparatus.

In the figure, a detector IO detects infrared energy emitted from a measurement object S, and converts the data (serial pit data for one screen) into an analog signal corresponding to the temperature distribution using an A/D converter. The signal is sent to the device 11.

The converter 11 has a clock 12 as an operating clock, and R
A CPU 14 that operates according to the procedure of OM13 is provided.

The RAM 15 stores each parameter input from the keyboard 16 (designation of the specified point, etc.) through the keyboard I/F.
The information is stored via the circuit 16a, and the CPU 14 performs various display processes, data calculation processes, and controls each circuit based on the information stored in the RAM 15.

The signal from the detector 10 is restored by a detector I/F circuit 17 into an image for displaying the data on the CRT 20. Of these, image data is sent to the CRT 20, and temperature data is stored in the data memory section 18.

The data memory section 18 has a built-in processor,
The temperature data stored under the control of a command from the CPU 14 is subjected to image processing, read out, and transferred in batch to the image memory 21 using the DMA method. And C
The temperature data in the image memory 19 is displayed on the CRT 20 by the R7 display controller 19.

To explain the display procedure of the thermography apparatus having the above configuration, the ROM 13 includes a display area At on the screen 1,
Specified point display area A2. Trend display area A
Three display area divisions are made in advance. Further, the temperature display, maximum and minimum temperature display portions of the designated point display area A2 are set in advance to be updatable, and the graph display portion of the trend display area A3 is preset to be continuously displayable in the right direction.

Therefore, one screen's worth of data input from the detector 10 is displayed in the display area At, but the data at the designated point a "" = p designated with the keyboard 16 is extracted and displayed at the designated point. It will be displayed in area A2 and trend display area A3. The timing of this trend display is determined by the clock 12a. The timing is set using the keyboard 16.

The maximum and minimum temperatures in the designated point display area A2 are always maintained in the CPU 14 so that their values can be updated.

It should be noted that each display area in the above embodiment has a keyboard 16.
It can be displayed or deleted by operating the .

[Effects of the Invention] According to the present invention, there is an effect that the temperature change of the entire object to be measured can be expressed as a numerical value directly on the screen, and the trend of the change can be easily obtained by going back in the past using a trend graph.

[Brief explanation of drawings]

FIG. 1 is a diagram showing the display state on the screen according to the display method of the thermography apparatus of the present invention, FIG. 2 is a block diagram showing the configuration of the same apparatus, and FIG. FIG. l...Screen, AI-...Display area, A2...Specified point display area, A3...Trend display area. S...Measurement object. Figure 2

Claims (1)

[Claims] In a thermography device that displays the temperature distribution of a measured object in multiple colors on a screen using infrared energy emitted from the measured object, the screen includes a designation for displaying temperatures at a plurality of points specified in advance. 1. A display method for a thermography apparatus, comprising: a point display area; and a trend display area for displaying a trend graph of the specified point.