JPS6350724A - Measuring data display apparatus - Google Patents

Abstract

PURPOSE:To project measuring data in the form of a trend value and data table corresponding to the use purpose of a user, by making it possible to change over between the display by a trend display control part and the display by a table form display control part. CONSTITUTION:When a measuring analogue signal of temp. is inputted to an input terminal part 1, a multiplexer 2 successively selects the measuring analogue signal to change over the same and outputs said signal to an A/D converter 3. The measuring analogue signal subjected to A/D conversion by the A/D converter 3 is inputted to a control unit 5 through an insulating means 4 and, in the control unit 5, measuring data is operationally processed by a trend display control part 51 to project the same state as trend display. Further, the measuring data is operationally processed by a table form display control part 52 and each measuring data at each time is projected on a display picture as a digital numerical value in a table form. By changing over between the display by the trend display control part 51 and the display by the table form display control part 52 by a change-over device 53, the measuring data can be projected even in a trend value and data table form according to the use purpose of a user.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a measurement data display device that displays physical quantities such as temperature obtained as a result of measurement in a graph format.

[Prior Art] Conventionally, there are direct-acting type recorders and balance type recorders, and both of these types record data on recording paper by moving a pen based on human data. In addition, there are dot type recorders that replace pens, and hybrid type recorders that perform analog and digital recording on recording paper have also been commercialized. In addition, settings such as measurement conditions for these recorders were performed using a scale changeover switch or a large number of digital key switches.

[Problems to be Solved by the Invention] However, since the above-mentioned recorder records on recording paper, depending on the measurement time, a huge amount of recording paper is required, and it is difficult to store and manage this recording paper.

This invention was made in view of the above problems, and it is possible to project the same state as the trend display on the recording paper while moving the pen on the display screen, so that the measured data can be recognized with the same sense as before. The first objective is to obtain a measurement data display device that can display trend value data in tabular form depending on the purpose of use by the user.

[Means for Solving the Problems] Therefore, the measurement data display device according to the present invention processes the measurement data converted into a digital signal and displays the recording paper on the display screen of the display device while moving the recording paper at a constant speed. A trend display i control unit that displays the same state as the trend display obtained by moving the pen, and a table that processes the above measurement data and displays each measurement data at each time in digital numerical form on the display screen. The present invention is characterized by comprising a format display control section and a switching section that switches between the display by the trend display control section and the display by the table format display control section.

In addition, a measurement data display device according to another invention processes the measurement data converted into a digital signal and displays a trend on the display screen of the display device by moving a pen while moving a recording paper at a constant speed. A trend display control section that displays the same state as the display, a tabular display control section that processes the above measurement data and displays each measurement data at each time in a table format as digital numerical values on the display screen, and the above trend display control section. When the cursor is moved on the display screen to specify measurement data at a specific time, the table format control section displays the measurement data at the specific time in tabular form on the display screen. It is characterized by being equipped with a screen control section.

[Function] The trend display control unit in the present invention performs arithmetic processing on measurement data converted into digital signals and displays the trend display on the display screen of the display device by moving the pen while moving the recording paper at a constant speed. Displaying the same state as the trend display, the table format display control section performs arithmetic processing on the measurement data and displays each measurement data at each time in a table format as digital numerical values on the display screen.

Here, the switching section switches between the display by the trend display control section and the display by the tabular display control section. In addition, the display screen control section according to another invention moves the cursor on the display screen when it is displayed in the trend display control section and specifies measurement data at a specific time. The measurement data over time is displayed in tabular form on the display screen by the tabular control section.

[Example] Hereinafter, one embodiment of the present invention will be described based on the drawings.

FIG. 1 is a circuit block diagram of a display device according to the present invention. In the figure, 1) is a multi-channel CHI to which measurement analog signals such as temperature, flow rate, and pressure are input.
An input terminal section having CHrn, (2) is a multiplexer as a kind of input selection switch for sequentially switching and outputting analog signals input to this input terminal section (1), and (3) is a multiplexer (2). An A/D converter that converts the measured analog signals of each channel CH+ to CHm sequentially output from the 13-bit digital signal into digital No. 13 using a sequential capture method if the speed is low or a simultaneous capture method if the speed is high.
4) is an insulation means for circuit-isolating and outputting the measurement data as a digital signal converted by the A/D converter (3), and (5) is a circuit-isolating means for outputting the measurement data as a digital signal converted by the A/D converter (3). The measured data is calculated and displayed on the display device, which will be described later, to show the same state as the trend display obtained by moving the pen without moving the recording paper at a constant speed, and the measured data is stored in the external storage device, which will be described later. (6) is an operation key switch for externally instructing the control by the LeJgi device (5); (7) is the control device that controls the storage when processing and storing the A display device that displays the same state as the trend display, and (8) an external storage device for storing the results of arithmetic processing of the measured data.

Here, the control device (4) performs arithmetic processing on the measurement data made up of the digital No. 43, and displays the trend display on the display screen of the display device (7), which is the same as that obtained by moving the pen while moving the recording paper at a constant speed. A display control unit (51) that displays the status, a tabular display control unit (52) that performs arithmetic processing on the measured data and displays each measured data at each time in a digital numerical table format on the display screen, and the trend The display includes a switching section 53) for switching between the display by the ill 09 section and the display by the tabular display control section.

Next, the operation will be explained.

Multiple channels CH+ to C1-1m of input terminal section (1)
1) The measurement analog signals manually input to multiple channels CHI''-CHm are selected and switched in sequence, and the next measurement analog signal input to channel CHI is the measurement analog signal input manually to channel CH2, and the next is the measurement analog signal input manually to channel CH3. Channel CH
Analog signals manually input to + to CHn are sequentially output to the A/D converter (3) in this order.

The A/D converter (3) converts the measurement analog signals sequentially output from the multiplexer (2) into digital signals and outputs them to the isolation means (4), which is insulated in terms of circuitry. Output to the control device (5).

A control device (5) linearizes the measurement data converted into a digital signal, and moves a pen on the display screen of the display device (7) based on this measurement data while moving recording paper at a constant speed. Performs the necessary calculation processing to display the same state as the obtained trend display.

Here, the operation of the control device (5) will be further explained in detail.

FIG. 2 is a schematic diagram showing the configuration of the video memory (51a) in the display control section (51) in the control device (5).
The storage area designated by the address 1 is responsible for the image portion of one scanning line when scanning the display screen of the display device (7). The storage area specified by the address 0OFF can store one screen worth of images to be displayed on the display device (7), that is, one screen can be composed of FF scanning lines.

Here, the display control unit (51) sequentially accesses the image information stored in the storage areas designated by the addresses 0000 to 0OFF, and displays the display screen of the display device (7) based on the order of the accessed addresses. to create an image for one screen, then FFFF, 0000~0O
The storage areas designated by the addresses of the FE are accessed in this order to create one screen worth of images to be displayed on the next display screen.

At this time, while accessing the storage area at addresses 0000 to 0QFF and creating an image for one screen, FF
Based on the measured data manually entered from each channel into the storage area specified by the address of the FF, a dot is placed on the display screen at the position corresponding to the position of the second pen on the recording paper. Information showing the video is stored in the data memory (51b), and the information showing the video memory (51b) is
When the i! A trend display that appears to be increasing in frequency is displayed.

FIG. 3 shows the trend display displayed on this display screen.

As shown in FIG. 3, the display screen (7) of the display device (7)
In a), a screen resembling a recording paper with a fixed scale is sequentially flowed from top to bottom, and dots corresponding to new measurement data appear one after another at fixed time intervals from the top of the screen.

In addition, the tabular control unit (52) in the control device (5) processes the measured data and displays each measured data at each time in a tabular format as a digital numerical value, as shown in FIG. Using a matrix-like table made up of fixed frames, the horizontal axis represents each channel and the vertical axis represents each time, and the measurement data output from each channel at each time is converted into digital numerical values in the table. Incorporate it inside. The measurement data thus incorporated into the table is displayed on the display screen.

A switching unit (53) provided in the trend display panel control unit (51) displays measured data on both sides of the display in trend format using the trend display panel J control unit (51), or displays measurement data on both sides of the display in tabular format. The control section (52) switches between displaying the measured data on the display screen in tabular form.

This switching function is operated by the user using a key switch (
6) is performed based on the operation.

In this way, the trend display by the trend display control unit (51) allows measurement data to be recognized as if it were a conventional recording paper, so there is no discomfort, and the tabular display control unit (52) displays the measurement data in a tabular format. With this display, changes in measurement data from the past to the present can be recognized for each channel.

The user can select between the trend display and the tabular display, and it is possible to display data according to the purpose of use.

Next, another invention will be described. Fig. 5 is a block diagram showing an embodiment of this other invention. In the figure, (54) indicates a trend display when the cursor is placed on the display screen when it is displayed by the control section. This is a display screen ft1lla1 section in which the measured data at a specific time is specified by moving and the measured data at the specific time is displayed in a tabular format on the display screen by the tabular format control section.

Since the constituent elements other than the fidget are the same as those shown in FIG. 1, they will be numbered B11 and their explanation will be omitted.

FIG. 6 shows an example in which the trend display changes to a tabular display in accordance with the cursor position.

As shown in FIG.
51), when the trend is displayed on the display screen, the user operates the operation key switch (6) to move the cursor (lO) displayed on the display screen to display the measured data at a specific time. When specified, the display double-sided control unit (54) causes the tabular control unit (52) to display the measurement data at a specific time in a tabular format on the display screen based on the position of the cursor (10) on the display screen.

[Effects of the Invention] As explained above, the present invention provides 111,911 trend displays that display the same state as the trend display when displaying measured data in a graph format, and a tabular display that displays digital numerical values in a tabular format. It is equipped with a control section, and the switching section is controlled according to the user's selection, so that the measured data can be displayed either in trend display or in tabular form, so that the measurement data can be displayed according to the purpose of use based on the user's selection. Measurement data can be recognized. According to another invention, a display double-sided control unit is provided which specifies measurement data at a specific time by moving a cursor on a display screen displaying a trend, and displays the measurement data at the specific time in a table format. Therefore, there is an effect that the measurement data of each channel at any time can be easily compared.

[Brief explanation of the drawing]

FIG. 1 is a configuration diagram showing an embodiment of the present invention, FIG. 2 is a schematic diagram showing the configuration of a video memory, FIG. 3 is a diagram showing a display screen on which trend display is performed, and FIG. 4 is a table format display - a diagram showing an example of a table format display by the control unit, FIG. 5 is a diagram showing an embodiment of another invention, and FIG. 6 is a diagram showing a display screen in another invention where the display screen changes from a trend display to a table format display. It is a figure which shows the example changed to. (1) - input terminal section, (2) - multiplexer, (3
) - A/D converter, (4) - Insulation means, (5)
・-control device, (6)・-operation key switch, (71-
Display device, (8)-External storage device, (51)-1-Rend display control section, (52)-Tabular display-control section, (53)
)-switching unit, (54)-display screen control unit. Patent Applicant Chino Seisakusho Co., Ltd. Agent/Patent Attorney Norihiro Nishimura Opponent 1 Figure 2 Atsushi 3 Figure 5 Mouth No. 6 Concave

Claims (2)

[Claims] (1) A measurement data display device that converts multiple physical quantities into predetermined units and displays them in the form of a graph in order to compare the magnitudes of the physical quantities obtained as a result of measurement. A trend display control unit that performs arithmetic processing to display the same state as the trend display obtained by moving the pen while moving the recording paper at a constant speed on the display screen of the display device, and a display screen that performs arithmetic processing on the above measurement data. The present invention is equipped with a tabular display control unit that displays each measured data at each time in a digital numerical table format, and a switching unit that switches between the display by the trend display control unit and the display by the tabular display control unit. Characteristic measurement data display device. (2) In a measurement data display device that converts multiple physical quantities into predetermined units and displays them in a graph format in order to compare the magnitudes of the physical quantities obtained as a result of measurement, the measurement data converted to digital signals is A trend display control unit that performs arithmetic processing to display the same state as the trend display obtained by moving the pen while moving the recording paper at a constant speed on the display screen of the display device, and a display screen that performs arithmetic processing on the above measurement data. There is a tabular display control section that displays each measured data at each time in a table format as digital values, and a trend display control section that displays measurements at a specific time by moving the cursor on the display screen. A display screen control section for specifying data and causing the table format control section to display the measurement data at a specific time in a tabular format on a display screen.