JPS61198021A - Recording device - Google Patents

Abstract

PURPOSE:To record the sizes of plural analog signals without the crossing of mutual recording patterns by recording the size of the analog input signal of the desired measuring range with the desired recording width at the desired position on recording paper. CONSTITUTION:The size of the analog input signal of the desired measuring range is recorded with the desired recording width at the desired position on the recording paper. Hereby, while a recording head 9 is moving from one end to the other end of a scan region and also, while it is returning from the other end to one end at need, the size of the desired measuring range of the analog input signal added to each of input terminals 11-1n can be recorded analogically with a dot pattern of the prescribed color corresponding to each with the desired recording width at the desired position on the recording paper. For instance, as shown in the figure, the sizes of plural analog input signals MV1-MV4 can be recorded without the crossing of the mutual recording patterns P1-P4.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a recording device, and more specifically, it converts the magnitude of an analog input signal into a digital signal and operates a recording mechanism according to the converted digital signal. The present invention relates to an improvement of a recording device configured to record the magnitude of an analog input signal in an analog manner while moving recording paper in a direction perpendicular to the feeding direction.

[Prior Art] One type of recording device is the Yokogawa Technical Report (VOI), which was published by Yokogawa Electric Corporation on December 20, 1981.

As described on pages 9 to 13 of 25, No. 4), the magnitude of the analog input signal selectively sent out from the scanner is displayed digitally and recorded in an analog manner using a dot pattern. There is something configured.

By the way, such conventional recording apparatuses are configured to record measured values in a desired measurement range over the entire effective recording width (0% to 100%). For example, if the effective recording width of the recording paper is 250+nm, the minimum value of the measurement range corresponds to 0% (0mm) near the left edge of the recording paper, and the maximum value of the measurement range corresponds to 100% (250mm) near the right edge of the recording paper. will be recorded in accordance with the . That is, for example, when recording the measured value of a thermocouple with a temperature measurement range of 0°C to 1600°C on recording paper, 0°C corresponds to 0% of the recording paper, and 1600°C corresponds to 100% of the recording paper. It will be recorded in this way, and 1 between 0℃ and 1600℃
When recording from 000°C to 1500°C, 1000°C corresponds to 0% and 1500°C corresponds to 100%.

[Problems to be Solved by the Invention] Therefore, according to such a conventional configuration, when recording the magnitudes of a plurality of analog input signals, for example, M V + to M V 4, the following steps are required, for example, as shown in FIG. As such, the recording patterns P1 to P4 intersect with each other, making it difficult to identify the plurality of recording results and making it difficult to understand the recording results in perspective. For example, in order to record the measurement range from 0°C to 1600°C with a width of 0 to 125 mm, 0% corresponds to 0°C and 100% corresponds to 3°C, for example, as shown in Figure 9.
Although it can be put into practice by setting a fictitious recording width to correspond to 200°C, 1600°C to 3200°C is outside the measurement range and may cause confusion for the operator, which is not preferable.

The present invention has been made with attention to these points, and its purpose is to record the magnitude of an analog input signal in a desired measurement range at a desired position on recording paper with a desired recording width. It is an object of the present invention to provide a recording device capable of recording the magnitudes of a plurality of analog input signals without intersecting each other's recording patterns.

[Means for Solving the Problems] The present invention achieves the above object by converting the magnitude of an analog input signal into a digital signal, and moving the recording mechanism in a direction perpendicular to the feeding direction of the recording paper according to the converted digital signal. In a recording device configured to record the magnitude of an analog input signal on recording paper in an analog manner while moving the recording paper, a memory is provided to temporarily store data on a desired recording range and a desired recording position. It is characterized in that it is configured to record the magnitude of the analog input signal in the measurement range at a desired position on the recording paper with a desired recording width.

[Example] Below, 1 will be explained in detail using the drawings.

FIG. 1 is a configuration explanatory diagram showing an embodiment of the present invention.

In FIG. 1, 11 to 1n are input terminals to which analog input signals such as a DC voltage of 3 mV to 50 V, a resistance temperature detector circuit, and a thermocouple output signal are applied. is selectively applied to the amplifier 3 which amplifies the signal to a predetermined size. In addition, amplifier 3
For example, a programmable gain amplifier whose gain is controlled in conjunction with the multiplexer 2 is used.

Each analog input signal is amplified by this amplifier 3 so that the output signal becomes, for example, 0 to 2 V, regardless of the size of the measurement range. 4 is an A/D converter that converts the output signal of the multiplexer 2 amplified by the amplifier 3 into a digital signal, and the output signal is temporarily stored in the first memory 5. This data is linearized according to the type of input and stored as a signal for display and logging, and is also used as a signal for trend recording, such as 0
．． 0 to correspond to 250mm width in 1mm steps.
It is converted into a numerical value of ~2500 and stored.

Note that these multiplexers 2. Amplifier 3 and A/D
The analog part consisting of the converter 4 is connected to the other digital part via a photocoupler.

This allows the analog part and the digital part to be completely electrically isolated. A recording paper 6 is intermittently fed at a predetermined speed by a paper feeding mechanism 7 using, for example, a pulse motor. 8 is a drive circuit for the paper feeding mechanism 7. Reference numeral 9 denotes a recording head that records multicolor dots on the recording paper 6 in predetermined colors corresponding to input signals, and a drive circuit 1o
When the recording paper 6 is stopped being fed by the recording head moving mechanism 11 using, for example, a pulse motor, the recording paper 6 is selectively driven by, for example, 0. Raster scanning is performed at In+m/step. As such a recording head 9, an ink jet head, a wire dot head, a disposable pen head, etc. are used. For example, in an inkjet head, as shown in FIG.
A device configured to record dots at regular intervals is used. As shown in FIG. 3, the wire dot head is fed along the feeding direction of the recording paper 6, and the ink ribbon 9Δ is dyed in multiple colors in the width direction.
and a dotting mechanism 9b that controls a plurality of dotting needles that are arranged along the feeding direction of the recording paper 6 so as to correspond to the number of color bands of the ink ribbon 9A and selectively drive to transfer predetermined colors of the ink ribbon 9A. Use one made up of. The disposable pen head used is one in which a plurality of disposable pens of different ink colors can record dots discretely at constant intervals along the moving direction of the recording head 9.

Reference numeral 12 denotes a scanning circuit that sends out a signal for driving the recording head moving mechanism 11 and also sends out a digital signal related to the position of the recording head 9. The digital signal sent out from this scanning circuit 12 is temporarily stored in the second memory 13. is stored. Note that in this embodiment, the first memory 5
and a common memory as the second memory 13
14 is an arithmetic control circuit using, for example, a microprocessor, and controls the operation of the entire recording apparatus. A memory 15 stores characters 1 to 8 as dot patterns and also stores a program for controlling the operation of the entire recording apparatus. 1G is a display that digitally displays information related to measurement, and is driven by a drive circuit 17. 18 is the operating mode of the device, type of input signal +11
This keyboard is used to set the illumination range, desired recording range, desired recording position, alarm setting value 9 paper feed speed, etc. The data input from these keyboards 18 is sent to the third memory via the interface 19. 20 is temporarily stored. Note that this third memory 20 is backed up by a battery 21, and data is stored therein until it is updated. 22 is an input/output port, 23 is an alarm circuit for detecting a voltage drop of the battery 21, and P is a panel. Note that at least one end of the print head 9 or the scan area of the print head 9 generates an end signal when the print head 9 reaches the end of the scan area, and reads the position data of the print head 9. An end detecting means is provided, but not shown.

The operation of the device configured in this way will be explained.

First, prior to measurement, operate the keyboard 18 to set measurement conditions and recording conditions for each analog input signal.
The data is stored in the memory 20 of.

For example, connect an R-type thermal lightning pair to the n-th input terminal and
Measure the temperature of ℃~1 f300℃, O'C~1600
As shown in Figure 4, the temperature measurement range is 25°C.
When recording between 125 mm and 250 mm of n+a recording paper, the third memory 20 is used as shown in FIG.
Enter thermocouple II R11 as the type of input signal in the data setting area of n channel, enter 0°C as the leftmost measured value ML, and enter 1600°C as the rightmost measured value MR.
, input 125mm as the leftmost recording position PL, and input 2!10mm as the rightmost recording position PR. Then, the left end reference position LHP stored inside
The offset value FS from the left end reference position Ll-I P to the left end recording position IPL is calculated using the data D1 of the distance from to the OIIIm position, and is stored in the third memory 20, The distance to the right end recording position PR is determined and stored in the third memory 20 as a span value SP. Thereafter, the recording position X for the measured value MV stored in the first memory 5 is calculated based on the following equation.

X = [((MV-ML)/ (MR-ML))
5PI +OFS Here, for example, if the measured value MV is goo'c, the recording position x will be 62.5mm+OFS. After applying position correction to the position data calculated in this way to record in the predetermined color assigned to each input terminal, color specification data is attached and the data is assigned to each position corresponding to the recording resolution. A predetermined area of the first memory 5 (for example, 2500 if the resolution is 0.1 mm step)
Temporarily stored in a location). In addition, it is written in the prescribed color B''!
In order to correct the position, it is sufficient to add or subtract the phase difference signal of each element of the recording head 9 for recording a predetermined color assigned to each input terminal with respect to the reference element. Further, in recording, two or more colors may be mixed as necessary. Such calculations are performed every measurement cycle, and the recording head 9 is raster scanned once every measurement cycle to record the magnitude of each input signal in a predetermined color in analog dots, and then the position data in the memory 5 is stored. Reset.

With this configuration, while the recording head 9 moves from one end of the scanning area to the other end, and also while returning from the other end to one end as necessary, the analog signal applied to each input terminal The size of the desired measurement range of the input signal can be recorded in an analog manner with a dot pattern of a predetermined color corresponding to each dot pattern at a desired position on the recording paper with a desired recording width, for example, as shown in Fig. 6. Furthermore, the magnitudes of a plurality of analog input signals M V + to M V 4 can be recorded without their recording patterns P1 to P4 intersecting with each other.

In the above embodiment, a multi-point, multi-color recording device has been described, but a multi-point, single-color recording device may also be used.

Furthermore, in the above embodiment, an example was shown in which the magnitude of an analog input signal selectively applied via a multiplexer is recorded in an analog manner using a recording head that performs dot pattern recording. A unique recording pen may be provided to perform continuous writing similar to a conventional pen recorder.

Further, the present invention can also be applied to a one-pen recorder.

[Effects of the Invention] As explained above, according to the present invention, it is possible to record the magnitude of an analog input signal in a desired measurement range at a desired position on a recording paper with a desired recording width, and A recording device that can record the magnitude of an input signal without causing recording patterns to intersect with each other can be realized.

[Brief explanation of drawings]

FIG. 1 is a structural explanatory diagram showing one embodiment of the present invention, FIGS. 2 and 3 are structural explanatory diagrams each showing a specific example of a recording head used in the present invention, and FIG. 4 is a structural explanatory diagram showing a specific example of a recording head used in the present invention. An explanatory diagram of data settings, FIG. 5 is an explanatory diagram showing an example of a memory that temporarily stores each data shown in FIG. 4, and FIG. 6 is an example diagram of recording the magnitude of a plurality of analog input signals by the device of the present invention. , FIG. 7 is a diagram showing an example of recording the magnitudes of a plurality of conventional analog input signals. 11-1n...input terminal, 2...multiplexer,
3... Amplifier, 4... A/D converter, 5.13.1
5.20...Memory, 6...Recording paper, 7...Paper feeding mechanism, 8...Paper feeding mechanism drive circuit, 9...Recording head, 10...Recording l\hood movement circuit , 11... Recording head moving mechanism, 12... Scanning circuit, 14... Arithmetic control circuit, 16... Display device, 17... Display drive circuit, 1B... Keyboard, 19... - Keyboard interface, 22... input/output port, P... panel.

Claims (1)

[Claims] The magnitude of the analog input signal is converted into a digital signal, and the magnitude of the analog input signal is converted into a digital signal on the recording paper while moving the recording mechanism in a direction perpendicular to the feeding direction of the recording paper according to the converted digital signal. A recording device configured to record data is provided with a memory that temporarily stores data on a desired recording range and a desired recording position, and the magnitude of an analog input signal in a desired measurement range is recorded on recording paper with a desired recording width. A recording device characterized in that it is configured to record at a desired position.