JP7139204B2 - recorder - Google Patents

Description

The present invention relates to a recorder for recording external measurement data such as temperature signals, contact signals, and voltage signals from temperature detecting elements such as thermocouples and resistance temperature detectors.

The following patent document 1 describes an analog method that prints waveforms indicating changes in physical quantities such as temperature, current, voltage, or strain of the object to be measured on a long recording paper, and a method that stores data indicating changes in physical quantities in a memory. A hybrid recorder using both digital and digital methods is disclosed in which waveforms based on stored data are stored and displayed on the screen of a display device. With this device, the user can easily search for specific data that indicates the maximum or minimum value of the measurement results, as well as the advantage of the analog system that data tampering can be prevented by printing the measured data on chart paper in real time. It is possible to enjoy both of the advantages of the digital system that can be displayed on the display screen.

JP 2014-149265 A

By the way, in the recorder disclosed in Japanese Patent Laid-Open No. 2002-200011, if measurement is continued while data recording problems such as malfunction of the printing unit, jamming of chart paper during transportation, or running out of paper occur, accurate recording cannot be performed. do not have. For this reason, the user needs to periodically check the analog recording state, especially before starting recording, to avoid re-measurement.

However, with the recorder of Patent Document 1, the door provided on the front surface of the device must be opened every time the analog recording state is checked, and the checking work is complicated.

Also, if you repeatedly open and close the door to check the internal condition of the recorder and the analog recording status, not only will the door open/close life shorten, but also foreign objects such as dust and dirt will enter the housing when the door is opened. There is a risk of contamination, which may cause a problem.

Accordingly, the present invention has been made in view of the above-mentioned problems, and provides a recorder capable of selectively performing confirmation of the internal state, confirmation of past data, and setting operation without opening the door. It is intended to

In order to achieve the above object, a recorder according to claim 1 of the present invention includes a paper feeding mechanism for feeding chart paper in one direction, and a recording surface of the chart paper fed by the paper feeding mechanism. A recorder provided in a housing with recording means for chronologically recording measurement data indicating a change in a physical quantity of an object to be measured,
a door portion attached to the front opening of the housing so as to be openable and closable, and having a permeable display mounted on a frame-shaped frame ;
an internal lighting positioned around the back side of the frame;
The display area for displaying the desired measurement data and the transmissive area where the internal state can be visually recognized from the outside are divided into one display screen of the display, and the size, position, number, and display contents are arbitrarily determined. a setting section for setting to
a control unit that controls the display of the display device based on the setting of the setting unit so that the display area and the transmissive area are divided and displayed within the one display screen ;
characterized by comprising

The recorder according to claim 2 is the recorder according to claim 1 ,
A touch panel is mounted on the display.

According to the present invention, display control can be performed by selectively setting the display area and the transmission area on the display screen of the display according to the user's usage pattern.

By setting a transparent area on the display screen of the display device, the state of the interior can be confirmed through the transparent area without opening the door. Further, if past data is displayed by setting a display area on the display screen of the display device, past data can be checked without opening the door and pulling out the chart paper. Furthermore, if a touch panel is mounted on the display, desired settings can be made using the touch panel function without opening the door.

As a result, the opening rate of the door is reduced compared to conventional models, which not only extends the open/close life of the door, but also reduces the amount of dust and other foreign matter that enters the housing when the door is opened, reducing failures due to foreign matter contamination. can do.

1 is a cross-sectional view showing a schematic configuration of a recorder according to the present invention; FIG. FIG. 5 is a diagram showing an example of a display form when an analog mode is selected and set in the recorder according to the present invention; FIG. 5 is a diagram showing an example of a display form when a hybrid mode is selected and set in the recorder according to the present invention; FIG. 5 is a diagram showing an example of a display form when a graphic mode is selected and set in the recorder according to the present invention;

Embodiments for carrying out the present invention will be described in detail below with reference to FIGS. 1 to 4. FIG. In the following description with reference to the attached figures, when the terms top, bottom, left, and right are used to indicate directions or positions, this means that the user sees each figure as shown. Match top, bottom, left, right. Furthermore, in the drawings attached to this specification, for the convenience of illustration and ease of understanding, the scale, the ratio of vertical and horizontal dimensions, the shape, etc. may be changed from the actual thing and represented schematically. It is an example and does not limit the interpretation of the invention.

As shown in FIG. 1, the recorder 1 of the present embodiment records the measurement data of the object to be measured measured by the measurement unit 11 composed of various sensors on the chart paper C. This is a hybrid recorder that records data in two digital formats: storage and display.

The measurement data of the object to be measured is data indicating changes in the physical quantity of the object to be measured, and is a general term for data such as temperature, current, voltage, or strain, for example.

The main body of the recorder 1 is composed of a rectangular housing 2, a door section 3 is attached to the housing 2 so as to be freely opened and closed, and a recording means 4, a paper feeding mechanism 5, and a storage section 6 are mechanical components. It is provided inside the housing 2 .

The recorder 1 also includes a setting unit 7, a storage unit 8, and a control unit 9 as electrical components. The recorder 1 includes a power supply unit 10 that supplies drive power necessary for driving the recorder 1 from an external power supply or an internal power supply such as a primary battery or a secondary battery to each part.

The door portion 3 is attached to the front opening 2a of the housing 2 so as to be openable and closable around a rotation shaft (not shown) on one side of the front opening 2a of the housing 2. As shown in FIG. The door portion 3 is opened and closed when performing maintenance such as replenishment of the chart paper C and replacement of the ink of the dots and pens of the recording means 4 .

The door portion 3 has a structure in which a display device 3a is attached to a frame-shaped frame 3b. At the bottom of the frame 3b, as shown in FIGS. 2 to 4, a location display card 12 can be attached to indicate which location the measurement data of each channel (CH1, CH2, CH3) is.

In addition, the back side of the frame 3b to which the location display card 12 is attached can be effectively used as a space for arranging a driver circuit for driving the indicator 3a, for example.

Furthermore, although not shown, considering the transmittance of a transmission region E2 of the display 3a, which will be described later, it is desirable to arrange a necessary number of internal lights around the back side of the frame 3b or to brighten the existing internal lights. preferable. Details of the display 3a will be described later.

The recording means 4 records the measurement data on the recording surface (surface) of the chart paper C, and comprises a carriage 4a and a recording member 4b.

The carriage 4a moves relative to the chart paper C along the main scanning direction (front/depth direction in FIG. 1 or left and right direction in FIGS. 2 to 4) perpendicular to the sub-scanning direction, which is the feeding direction of the chart paper C. can be moved to

More specifically, the carriage 4a can move along the sliding shaft up to about the same width as the width of the chart paper C. Along with this movement, the recording member 4b also moves laterally in the width direction.

As the carriage 4a moves, the recording member 4b moves left and right to record measurement data on the recording surface of the chart paper C conveyed at a predetermined speed.

The recording member 4b is provided on the carriage 4a, and records measurement data on a chart paper C such as a dot dot used in a dot dot system or a pen used in a pen system. The recording member 4b has an ink containing portion for containing ink for recording measurement data on the chart paper C, and one or a plurality of recording members 4b are provided according to the number of objects to be measured and the number of input channels.

The recording member 4b is composed of a dot for recording the measured data when the recording method for the chart paper C is the dot marking type, and is composed of a pen for recording the measured data when the recording method is the pen type. The recording member 4b moves left and right along with the movement of the carriage 4a on the chart paper C conveyed at a predetermined speed, thereby continuously or intermittently recording changes in the measurement data.

The paper feeding mechanism 5 rotates the chart paper C in one direction and conveys it to the storage unit 6 while being in contact with the recording member 4b. The transport speed of the paper transport mechanism 5 may be transported based on the transport speed (default value) set in advance by the setting unit 7, or may be defined as appropriate based on measurement data or measurement time (period).

The storage unit 6 is a container that stores the printed chart paper C conveyed by the paper feed mechanism 5 . As shown in FIG. 1, the conveyed printed chart paper C is sequentially stored in the storage unit 6 in a zigzag state.

The setting unit 7 includes input devices such as setting keys, up/down/left/right keys, and other operation keys provided on the front side (door portion 3 side) of the housing portion 6, various hardware keys, and a rotary knob.

The setting unit 7 selects and sets three modes (analog mode, hybrid mode, graphic mode) to be described later, and information about the selected and set mode (for example, the number of channels, the scale of the scale plate display, the measurement range (upper and lower limits), the display The number of divisions of the screen E, display content information, etc.) and various settings such as the conveying speed of the chart paper C are performed. Various information set by the setting unit 7 is input to the control unit 9 .

If a touch panel (input device) for selecting and setting by displaying selection items and setting items on the display screen of the display 3a is mounted on the display 3a, hardware keys such as operation keys can be replaced. Therefore, the touch panel function of the display device 3a can be used as the setting section 7, and desired settings can be made without opening the door section 3. FIG.

The storage unit 8 is composed of a main storage device comprising various semiconductor memories such as ROM (Read Only Memory) and RAM (Random Access Memory), and an auxiliary storage device such as flash memory and HDD (Hard Disk Drive). .

The storage unit 8 stores measurement data for each channel measured by the measurement unit 11, computer programs and application software necessary for controlling each unit of the recorder 1, and the like.

The control unit 9 is composed of a processor such as a CPU, a ROM, and a RAM. Stored in the storage unit 8 .

In addition to storing the measured data in the storage unit 8, the control unit 9 stores a display device according to a mode (analog mode, hybrid mode, or graphic mode) selected and set by the setting unit 7, which will be described later. 3a, the driving control of the recording means 4, the driving control of the paper feed mechanism 5, and other parts are controlled in an integrated manner.

Next, the display 3a, which is the main part of this embodiment, will be described. The display 3a consists of a transmissive transparent liquid crystal panel, and is wire-connected to the controller 9 via a flat cable or the like.

Under the control of the control unit 9, the display unit 3a performs display in a display mode corresponding to the mode selected and set by the setting unit 7 (analog mode, hybrid mode, or graphic mode).

2 to 4 show the display modes of each mode (analog mode, hybrid mode, graphic mode) selected and set by the setting section 7. FIG.

FIG. 2 shows a display form when "analog mode" is selected and set in the setting section 7. In FIG. In this "analog mode", the display screen (displayable area) E of the display device 3a is divided into two upper and lower areas, the upper area is the display area (area for desired display of measurement data) E1, and the lower area is transparent. An area (a hatched area in FIG. 2: an area where the inside can be seen from the outside) is set as E2.

In the display mode of FIG. 2, under the control of the control unit 9, a status bar displaying the status of the recorder 1 (for example, screen name, recording status, alarm information, etc.) and a time display indicating the time of measurement are displayed in the display area E1. , scale plate display (in FIG. 2, scale plate display with graduations from 0 to 200) including pointer display (three-channel pointer display in FIG. 2).

According to this "analog mode", since the transmissive area E2 is set in a relatively wide range with respect to the display area E1, the state inside the housing 2 can be visually recognized from the outside through the transmissive area E2. As a result, the user can check the recording state (waveform drawing and dot-marking state on the chart paper C) by the pen and the dot of the recording means 4, the feeding state of the chart paper C, etc. in real time without opening the door portion 3. can be confirmed.

In addition, in the "analog mode" of FIG. 2, the display unit 3a displays the scale plate including the needle display, so the scale plate used in the conventional analog recorder is not required.

FIG. 3 shows a display form when the "hybrid mode" is selected and set in the setting section 7. As shown in FIG. In this "hybrid mode", the display screen E of the display device 3a is divided into three upper and lower areas, the upper and lower areas are set as the display areas E1 (E1a, E1b), and the middle area is the transmissive area (shaded area in FIG. 3). ) is set to E2.

In the display form of FIG. 3, the control unit 9 controls the upper display area E1a to display a status bar, time display, digital display of measurement data of each channel (CH1, CH2, CH3), and bar graph display. In addition, trend display of the measurement data of each channel is performed in the lower display area E1b.

Although the transmissive area E2 of this "hybrid mode" is narrower in the height direction than that of the "analog mode", the entire movement area of the pen and the dot of the recording means 4 on the chart paper C can be visually recognized from the outside. set in the area. As a result, the user can check in real time the most recent recording state of the recording means 4 with the pen or the dot, without opening the door portion 3 .

In addition, in the "hybrid mode" of FIG. 3, not only the current value of the measurement data but also the past measurement data can be confirmed in the display area E1b on the display screen E by the trend display scroll bar or flick operation. Furthermore, if the display area E1b for trend display is translucent, it can be used for comparison with the recording of the chart paper C. FIG.

FIG. 4 shows a display form when the "graphic mode" is selected and set in the setting section 7. In FIG. In this "graphic mode", the transparent area E2 is not set on the display screen E of the display 3a, and the entire area of the display screen E of the display 3a is set as the display area E1.

In the display form of FIG. 4, the display area E1 is divided into five under the control of the control unit 9, the status bar is displayed and the time is displayed in the uppermost area E1a, and each channel (CH1, CH2) is displayed in the upper left area E1b. , CH3) are digitally displayed and the maximum/minimum values are displayed, the bar graph of each channel is displayed in the upper right area E1c, the circular chart of the desired channel is displayed in the lower left area E1d, and the lower right A trend display of the measurement data of each channel is performed in the area E1e.

According to this "graphic mode", various graphic displays regarding the measurement data can be performed without the user opening the door section 3 and pulling out the chart paper C, and present measurement data and past measurement data can be displayed. can be confirmed in the display area E1 on the display screen E.

By the way, in the above-described embodiment, three modes (analog mode, hybrid mode, and graphic mode) have been described as examples of the display mode of the display 3a, but the present invention is not limited to these three modes. For example, the user can arbitrarily set the size, position, and number of the display area E1 or the transparent area E2 on the display screen E of the display device 3a using the setting unit 7. FIG.

Moreover, the display contents in the display area E1 of the display device 3a are not limited to those shown in the figure, and the display contents can be arbitrarily set by the setting unit 7. FIG. For example, the display contents of the display area E of the display 3a of FIG. 2, that is, the scale plate display including the status bar, the time display, and the pointer display may be displayed in the display area E1a of the display 3a of FIG. .

As described above, according to the recorder 1 of the present embodiment, the door portion 3 having the transmissive display 3a mounted thereon is provided in the front opening 2a of the housing 2 so as to be openable and closable, and the display area can be adjusted according to the usage pattern of the user. The display can be controlled by selectively setting the E1 and the transmissive area E2 on the display screen E of the display device 3a.

That is, by setting the transmission area E2 on the display screen E of the display device 3a, it is possible to check the state of the inside through the transmission area E2 without opening the door portion 3. FIG. For example, if the transmissive area E2 is set so as to cover the entire movement area of the pen and the dots including the chart paper C after recording, the recording state by the recording means 4 (drawing the waveform of the pen on the chart paper C and the printing of the dots) dot printing state) and the feeding state of the chart paper C can be confirmed from the outside in real time. As a result, when the chart paper C is jammed or the paper runs out during the recording of the measurement data, or the malfunction of the recording means 4 occurs, the door portion 3 can be opened to quickly cope with the problem.

Further, if the display area E1 is set on the display screen E of the display device 3a to display the trend of the measured data, the trend display can be displayed by scroll bar or flick operation without opening the door 3 and pulling out the chart paper C. You can check past data.

Furthermore, if a touch panel (input device) is mounted on the display 3a of the door portion 3, desired settings can be made using the touch panel function as the setting portion 7 without opening the door portion 3.

Since there is no need to open the door 3 carelessly, the rate of opening the door is reduced compared to the conventional art, and the open/close life of the door 3 is extended. This reduces foreign matter contamination such as dust and dirt, and can reduce failures caused by foreign matter contamination.

Although the best mode of the recorder according to the present invention has been described above, the present invention is not limited by the description and drawings according to this mode. In other words, it goes without saying that other forms, embodiments, operation techniques, etc. made by persons skilled in the art based on this form are all included in the scope of the present invention.

1 Recorder 2 Housing 3 Door 3a Display 3b Frame 4 Recording Means 4a Carriage 4b Recording Member 5 Paper Feeding Mechanism 6 Receiving Section 7 Setting Section 8 Storage Section 9 Control Section 10 Power Supply Section 11 Measurement Section 12 Location Display Card C Chart Paper E Display screen (displayable area)
E1 (E1a, E1b) display area E2 transmission area

Claims (2)

a paper feeding mechanism that conveys chart paper in one direction; and a recording means that records measured data representing changes in physical quantities of an object to be measured over time on the recording surface of the chart paper conveyed by the paper feeding mechanism. is provided in the housing,
a door portion attached to the front opening of the housing so as to be openable and closable, and having a permeable display mounted on a frame-shaped frame ;
an internal lighting positioned around the back side of the frame;
The display area for displaying the desired measurement data and the transmissive area where the internal state can be visually recognized from the outside are divided into one display screen of the display, and the size, position, number, and display contents are arbitrarily determined. a setting section for setting to
a control unit that controls the display of the display device based on the setting of the setting unit so that the display area and the transmissive area are divided and displayed within the one display screen ;
A recorder comprising: 2. The recorder according to claim 1, wherein a touch panel is mounted on said display.

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