JPH04372509A - System display - Google Patents

Abstract

PURPOSE:To get a system display which can preserve continuity between the pictures of respective system display units when displaying the general system diagram by combining the pictures being displayed on the display sheets of a plurality of system display units. CONSTITUTION:First, second, and third system display units 1, 2, and 3, which have display sheets 4, 5, and 6 where system diagrams are displayed severally, are arranged adjacently. At both ends of each display sheet 4, 5, and 6 are arranged a pair of rollers 7 which wind and shift each display sheet 4, 5, and 6. On the courses of the display sheets 4, 5, and 6 being wound and supported by a pair of winding rollers 7 are arranged supporting rollers 8 and 12. The supporting roller 12 is semicircular in cross section. A driver 13 performs the rotation and the shifting of the supporting roller 12.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a system display device for displaying, for example, the status of an electric power system, and more particularly to a system display device having a function of changing display contents.

0002

2. Description of the Related Art FIG. 6 is a schematic front view showing an example of a conventional system display device, and FIG. 7 is a plan view showing a schematic configuration of the device shown in FIG. In the figure, 1, 2, and 3 are first, second, and third system display units arranged adjacent to each other, and 4, 5, and 6 are a plurality of system diagrams 4a to 4, respectively.
This is a display sheet on which 4n, 5a to 5n, and 6a to 6n are drawn. This first system display unit 1 holds a display sheet 4, both ends of this display sheet 4, and holds the display sheet 4.
A pair of take-up rollers 7 that wind and move the display sheet 4, a pair of support rollers 8 provided on the path of the display sheet 4 wound and held by the pair of take-up rollers 7, and a pair of take-up rollers 7 that are driven. It is composed of a take-up roller drive device 9 and a control device 10 that controls the take-up roller drive device 9. Similarly, the second and third system display units 2 and 3
Each of the display sheets 5, 6 and a pair of take-up rollers 7
, a pair of support rollers 8, a take-up roller drive device 9, and a control device 10.

Next, the operation of the conventional system display device described above will be explained. In the first, second, and third system display units 1, 2, and 3, the take-up roller 7 is driven by the take-up roller drive device 9 controlled by the control device 10, and the respective display sheets 4, 5, 6 and move each display sheet 4, 5, and 6 to a desired drawing position. Therefore, the take-up roller drive device 9 is stopped,
In this case, first, second and third system display units 1,
The system diagrams 4a, 5a, and 6a are displayed on each of the system diagrams 2 and 3, and the entire system diagram composed of the three system diagrams 4a, 5a, and 6a is displayed as a system display device. Here, the pair of support rollers 8 constituting each system display unit 1, 2, 3 have a circular cross-sectional shape, and the display sheet 4,
The contact surfaces with the display sheets 5 and 6 are arcuate to reduce friction, and the display sheets 4, 5, and 6 can be smoothly rolled up and moved by the pair of winding rollers 7.

[0004] In this way, the conventional system display device, which is composed of three system display units 1, 2, and 3 in this case,
Divide the entire system diagram into three, display sheets 4, 5,
Since a plurality of system diagrams are drawn in 6, it is possible to display a large number of overall system diagrams by combining these system diagrams.

[0005]

[Problems to be Solved by the Invention] Since the conventional system display device is constructed as described above, each display sheet 4, 5
The problem is that both ends of each of the system diagrams 4a, 5a, and 6a drawn in the diagrams 4a, 5a, and 6a drawn in the diagrams 4a, 5a, and 6a become arcuate due to the instruction roller 8, and the continuity between the three diagrams 4a, 5a, and 6a that make up the overall system diagram is lost. was there.

The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a system display device that maintains continuity between divided system diagrams.

[0007]

[Means for Solving the Problems] In the system display device according to the present invention, the system display unit has a support roller whose outer periphery is in an arc shape, a support roller rotation means for rotating the support roller, and an adjacent system display unit. and a support roller moving means for moving the support roller in the direction of the support roller.

[0008]

[Operation] In this invention, when the display sheet is wound up and moved by a pair of take-up rollers, the support roller rotating means rotates the support roller so that it contacts the display sheet in an arc shape, thereby smoothly displaying the display sheet. When winding and moving the sheet and displaying the entire system diagram using a plurality of system display units, the support roller rotation means of each system display unit rotates the support roller to the plane of the support roller of the adjacent system display unit. The support rollers are rotated so that the flat parts of the support rollers face each other, and then the support roller moving means of each system display unit moves the support rollers so that the display sheets are brought into contact with each other between the support rollers of adjacent system display units. , works to maintain continuity of the system diagram between adjacent system display units.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Examples of the present invention will be described below with reference to the drawings. Example 1. FIG. 1 is a schematic front view showing a first embodiment of the system display device of the present invention, and FIG. 2 is a plan view showing the schematic configuration of the system display device shown in FIG. 1. The same reference numerals are given to the same or equivalent parts as in the conventional system display device, and the explanation thereof will be omitted.

11 is a mark for detecting the position of each system diagram drawn on each display sheet 4, 5, 6, and this mark 1
1 is provided for each system diagram drawn on the display sheets 4, 5, and 6. 12 is a support roller having a semicircular cross-section;
Reference numeral 3 denotes a drive device serving as a support roller rotation means and a movement means for rotating and moving the support roller 12. Reference numeral 14 denotes a first sensor for detecting the mark 11, and the first sensor 14 is, for example, an optical sensor consisting of a light emitting element and a light receiving element. A second sensor 15 detects the inverted state of the support roller 12, and the second sensor 15 is, for example, a mechanical switch whose contacts open and close upon application of pressure. 16 is the first and second sensor 14;
This is a control device that controls the take-up roller drive device 9 and the drive device 13 based on the detection signal of 15. In this first embodiment, a second system display unit 2 is provided with a pair of support rollers 12 that are rotated and moved by a drive device 13.
A support roller 12 having a semicircular cross section is provided on the side adjacent to the support roller 12 of the second system display unit 2, and a conventional support roller 8 is provided on the other side. The system display units 1 and 3 constitute a system display device.

Now, the specific structure of the drive device 13 will be explained based on FIG. 3. A rotating shaft 21 is supported on a frame 20 having a U-shaped cross section, and a sliding guide 22 is supported on the frame 20.
is formed. A first gear 2 is attached to this rotating shaft 21.
3 and the second gear 24 are fixed to each other. first gear 2
3, teeth are formed only in the 90° angle range, and the second
The gear 24 has teeth formed in an angular range where the teeth of the first gear 23 are not formed. On the other hand, sliding plate 2
5 is provided with a sliding portion 26 on the upper surface that slidably engages with the sliding guide 22 of the frame 20, a toothed portion 27 that meshes with the second gear 24 on the end surface, and further provided on the lower surface. teeth,
Rotating shaft 2 of support roller 12 to which third gear 28 is fixed
9 and a fourth gear 30 that transmits the rotation of the first gear 23 to the third gear 28 are pivotally supported.

[0012] In this way, the drive device 13
The sliding part 26 is engaged with the sliding guide 22 of No. 0, the second gear 24 and the tooth part 27 are engaged with each other, and the first gear 23, the fourth gear 30, and the third gear 28 are engaged with each other. A sliding plate 25 is attached to the frame 20 so as to mesh with each other. Here, the support roller rotation means includes the first gear 23,
The support roller moving means is composed of a gear train of a fourth gear 30 and a third gear 28, and includes a sliding guide 22 and a sliding portion 2.
6 and the teeth 2 of the second gear 24 and the sliding plate 25
7, and the drive device 13 includes a means for rotating these support rollers and a means for moving the support rollers.

Next, the operation of the first embodiment will be explained based on FIG. 4 and FIGS. 5(a) to 5(c). In the first and second system display units 1 and 2, the support roller 1
2 is in contact with the display sheets 4 and 5 in an arc shape as shown in FIG. Then, each display sheet 4, 5 is moved to a desired drawing position.

When the first sensor 14 detects the mark 11 on the display sheets 4, 5, the control device 16 stops the take-up roller drive device 9 based on the detection signal from the first sensor 14, and also stops the drive device 13. to drive. motor(
(not shown) rotates the first and second gears 23, 24. The rotation of the first gear 23 (in the direction of arrow A in FIG. 4) is transmitted to the third gear 28 via the fourth gear 30,
The support roller 12 rotates 180° in the direction of arrow B in FIG.
As shown in FIG. 5(b), the support roller 12 is reversed. At this time, since the area where the tooth portion of the second gear 24 is not formed faces the tooth portion 27 of the sliding plate 25,
The rotation of the second gear 24 is not transmitted to the sliding plate 25.

When the support roller 12 rotates 180°, the support roller 12 comes into contact with the second sensor 15 . here,
The control device 16 controls the support roller 12 from the second sensor 15.
The drive device 13 is further driven by the rotation detection signal. The first gear 23 has a fourth region where no teeth are formed.
The rotation of the first gear 23 is not transmitted to the fourth gear 30, and the rotation of the support roller 12 is prevented. At this time, the second gear 24 meshes with the teeth 27 of the sliding plate 25, and the rotation of the second gear 24 is converted into linear motion and transmitted to the sliding plate 25. It is guided by the moving guide 22 and slides in the direction of arrow C in FIG.
), the support roller 12 is moved in the direction of the adjacent support roller 12. Therefore, the display sheet 4
, 5 are in contact with each other.

Furthermore, by making the motor rotate in the opposite direction, each movement is opposite to that shown in FIG. 5 (a).
) can return to the initial state shown. Further, the second and third system display units 2 and 3 also operate in the same manner as described above.

As described above, in the first embodiment, the contact portions of the display sheets 4, 5, and 6 between the respective system display units 1, 2, and 3 are straight lines, and the display in the conventional system display device shown in FIG. The curved surfaces of the contact parts of sheets 4, 5, and 6 are eliminated.
In this case, first, second and third system display units 1,
Three system diagrams 4a and 5a displayed in 2 and 3 respectively
, 6a can be displayed as an overall system diagram that maintains linearity, and a visually easy-to-read system display device was obtained. In addition, a mark 11 is drawn on each of the system diagrams 4a to 4n, 5a to 5n, and 6a to 6n drawn on the display sheets 4, 5, and 6, and a first
Since the sensor 14 is provided, the position of each system diagram can be accurately controlled, and the system diagrams displayed on the system display units 1, 2, and 3 can be matched with high precision.

Example 2. In the first embodiment, the display sheets 4, 5, and 6 are exposed on the front surface of each system display unit 1, 2, and 3, but in this embodiment 2, the display sheets 4, 5, and 6 are exposed on the front surface of each system display unit 1, 2, and 3. A transparent plate such as a glass plate shall be placed on the display sheets 4, 5,
The display sheets 4, 5, and 6 can be easily bent at right angles at the contact portions of the display sheets 6, and can also be applied to thick-film display sheets 4, 5, and 6.

In each of the above embodiments, the display sheet 4,
Although the system diagram is drawn and explained in 5 and 6 in advance,
The system diagram may be newly written on the display sheets 4, 5, 6 after each system display unit 1, 2, 3 is assembled.

Furthermore, in each of the above embodiments, the support roller 12
Although the cross-sectional shape of the support roller 12 is semicircular and the support roller 12 is rotated by 180 degrees by the drive device 13 in this invention, it is sufficient that the outer periphery of the support roller 12 is an arc shape. The same effect can be obtained even if the support roller 12 has a cross-sectional shape of 1/4 circle and is rotated by 90 degrees.

Furthermore, in each of the above embodiments, the support roller rotating means is a gear train of the first gear 23, the fourth gear 30, and the third gear 28, and the support roller moving means is a sliding mechanism with the second gear 24. Although the description has been made using the meshing of the moving plate 25 with the teeth 27 and the engagement between the sliding guide 22 and the sliding part 26, the present invention is limited to these rotating means and moving means. isn't it.

Furthermore, in each of the above embodiments, the drive device 13 is provided with a support roller rotating means and a moving means, but they may be provided separately.

[0023]

As described above, according to the present invention, there is provided a system including a support roller having an arcuate outer periphery, a support roller rotation means for rotating the support roller, and a support roller movement means for moving the support roller. Since a plurality of display units are arranged adjacent to each other, it is possible to obtain a system display device that maintains continuity between divided system diagrams.

[Brief explanation of drawings]

FIG. 1 is a schematic front view showing Embodiment 1 of the present invention.

FIG. 2 is a plan view showing a schematic configuration of Embodiment 1 of the present invention.

FIG. 3 is a plan view showing an embodiment of the drive device according to the first embodiment of the present invention.

4 is a schematic plan view illustrating the operation of the drive device shown in FIG. 3. FIG.

[Fig. 5] (a) to (c) are respectively Embodiment 1 of the present invention.
FIG. 3 is a schematic plan view illustrating the operation.

FIG. 6 is a schematic front view showing an example of a conventional system display device.

7 is a plan view showing a schematic configuration of the conventional system display device shown in FIG. 6. FIG.

[Explanation of symbols]

1 First system display unit 2 Second system display unit 3 Third system display unit 4, 5, 6 Display sheet 7 Take-up roller 8 Support roller 12 Support roller 13 Drive device (support roller rotation/moving means) 22
Sliding guide (support roller moving means) 23 First gear (support roller rotating means) 24 Second gear (support roller moving means) 26 Sliding part (support roller moving means)
27 Teeth (support roller moving means)

Claims (1)

[Claims] 1. A display sheet on which a plurality of system diagrams are drawn, a pair of take-up rollers that hold both ends of the display sheet and wind up the display sheet, and a display sheet that is wound and held by the take-up roller. In the system display device, a plurality of system display units each having a support roller provided on the path of the display sheet are arranged such that the support rollers are adjacent to each other, wherein the system display unit is arranged such that the outer circumference of the support roller is A system having an arcuate shape and comprising a support roller rotating means for rotating the support roller and a support roller moving means for moving the support roller in the direction of the support roller of the adjacent system display unit. Display device.