JP2783028B2 - Drawing device and drawing method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drawing apparatus and a drawing method suitable for use in preparing a piping drawing such as a water pipe.

[0002]

2. Description of the Related Art In a CAD for creating a pipe drawing of a water pipe, information on parts such as pipes and joints connecting pipes is registered (stored or recorded) in, for example, a ROM or a hard disk. The component information is read from the hard disk, and the component is displayed on a display such as a CRT. The user can specify a part displayed on the CRT with a cursor controlled by a mouse or the like (click with a mouse), and further specify a position where the part is to be arranged, thereby creating a desired piping drawing. it can.

[0003]

In the conventional CAD, a part displayed on the CRT is clicked with a mouse, and a position at which the part is to be arranged is designated to create a piping drawing. Therefore, when changing a piping drawing once created to a drawing in which an arbitrary joint is rotated, for example, the user arranges not only the joint to be rotated but also all the parts whose arrangement status changes due to the rotation of the joint. I had to fix it, which was inconvenient.

[0004] The present invention has been made in view of such a situation, and it is an object of the present invention to easily change a created drawing.

[0005]

According to a first aspect of the present invention, there is provided a drawing apparatus for drawing a piping drawing by arranging piping parts, wherein the piping parts are rotated by a predetermined angle such as 45 degrees. Registration means for registering rotating parts such as the Y-shaped joint 21, for example, a hard disk 5 or the like;
A first part, such as a Y-joint 16, which rotates by 45 degrees arranged in the piping drawing, and a tube 14, for example, which is arranged adjacent to the Y-joint 16 that tilts when the Y-joint 16 rotates. Designation means such as a mouse 7 for designating the second part, input means such as a keyboard 6 for inputting a height for tilting the tube 14 designated by the mouse 7, and 45 degrees designated by the mouse 7 The Y-type joint 16 to be rotated only is relocated to the Y-type joint 21 registered in the hard disk 5, and the piping drawing is changed to the pipe 14.
Is provided with a change means comprising, for example, a CPU 1 or the like for changing the piping drawing to the one inclined by the height inputted from the keyboard 6.

According to a second aspect of the present invention, there is provided a drawing method for arranging piping parts to draw a piping drawing, wherein, for example, a Y-shaped joint 16 arranged on a piping drawing rotated by a predetermined angle such as 45 degrees is provided. A first part, such as Y
The second part, such as the pipe 14, which is arranged adjacent to the Y-shaped joint 16 which is inclined by rotating the mold joint 16, is designated, the height at which the pipe 14 is inclined is inputted, and the height at which the pipe 14 is inclined is designated. Correspondingly, a third component, such as the Y-joint 21 in which the Y-joint 16 is rotated by 45 degrees, is arranged in place of the Y-joint 16.

According to a third aspect of the present invention, in the drawing method, for example, the elbow type joint 1 disposed at both ends of the pipe 14 is omitted.
It is characterized by disposing a fourth part, such as a pipe 23 and a pipe 24, in which the pipe 14 is inclined, between the parts such as 5 and the Y-shaped joint 16.

According to a fourth aspect of the present invention, there is provided a drawing method comprising the steps of:
A fifth part such as an elbow-type joint 22 having a supplementary angle of the angle at which the Y-type joint 16 is rotated is arranged corresponding to the angle at which the Y-shaped joint 6 is rotated and the height at which the pipe 14 is tilted. .

[0009]

In the drawing apparatus according to the first aspect, the Y-shaped joint 21 in which the pipe part is rotated by 45 degrees is registered, and the Y-shaped joint 16 which is arranged in the pipe drawing and rotated by 45 degrees is registered.
And the pipe 14 arranged adjacent to the Y-shaped joint 16 that is inclined by the rotation of the Y-shaped joint 16 is designated, the height at which the designated pipe 14 is inclined is input, and the Y-shaped joint 16 is rotated by 45 degrees. The Y-joint 21 is relocated and the piping drawing is
The pipe drawing is changed to a pipe drawing in which the pipe 14 is inclined by the height input from the keyboard 6. Therefore, the piping drawing can be easily changed.

[0010] In the drawing method according to claim 2, 4
Y-type joint 1 placed on piping drawing rotated by 5 degrees
6, and Y tilted by rotating the Y-shaped joint 16
Designate the pipe 14 located adjacent to the mold joint 16 and
The Y-joint 21 in which the Y-joint 16 is rotated by 45 degrees in accordance with the height at which the pipe 4 tilts and the pipe 14 is tilted.
Are arranged in place of the Y-shaped joint 16. Therefore, the piping drawing can be easily changed.

In the drawing method according to the third aspect, the pipe is omitted, and the pipe is inclined between the elbow joint 15 and the Y-joint disposed at both ends of the pipe. Place. Therefore, the piping drawing can be changed more easily.

In the plotting method according to the fourth aspect, the Y
An elbow-type joint 22 having a supplementary angle to the angle at which the Y-type joint 16 is rotated is arranged corresponding to the angle at which the type joint 16 is rotated and the height at which the pipe 14 is inclined. Therefore, the piping drawing can be changed more easily.

[0013]

FIG. 1 shows a CAD to which a plotting apparatus according to the present invention is applied.
FIG. 2 is a block diagram showing a configuration of one embodiment. CPU1
Is connected to each block via a memory (ROM) 2, a memory (RAM) 3, and an interface 4, and controls the entire apparatus. The ROM 2 stores a system program and the like of the entire apparatus. RAM3 is
For example, when drawing processing (graphic processing) for rotating some parts of the drawing is performed, data necessary for the operation of the apparatus is stored. The hard disk 5 records (registers), for example, part data such as pipes, elbow-type joints, and Y-type joints used for drawing, and further records drawings created using these parts. You. In this embodiment, the shapes of the Y-shaped joint and the elbow-shaped joint registered in the hard disk 5 are shown in FIGS.

The display 8 displays various components and drawings created using these components in response to signals output from the CPU 1 via the interface 4. The plotter 9 plots a drawing stored on the hard disk 5 or a drawing displayed on the display 8 on a sheet. The keyboard 6 and the mouse 7 are connected to the CPU 1 via the interface 4.
Issues commands to create or modify drawings. The interface 4 manages input / output of signals between the CPU 1 and each external block, instead of the CPU 1.

Next, the operation will be described. When a read command for reading the drawing data is issued by the keyboard 6 or the mouse 7, the data of the piping drawing (FIG. 3) of the water pipe, for example, recorded in advance on the hard disk 5 is read out to the CPU 1 via the interface 4. , Are stored in the RAM 3. The piping drawing data stored in the RAM 3 is again supplied to the display 8 via the CPU 1 and the interface 4, and the display drawing is displayed on the display 8.

Here, the data of the piping drawing (piping drawing data) in FIG. 3 is a set of data (parts data) relating to each part constituting the piping drawing, and the parts data is, for example, the name and shape of the part and the diameter of the part. Static data such as values, as well as, for example, the three-dimensional location of parts in piping drawings,
And dynamic data such as placement direction. Therefore, such component data is stored in the RAM 3.

The pipe 12 and the pipe 13 are connected via a Y-shaped joint 16, one end of the pipe 14 is connected to an attachment port of the Y-shaped joint 16, and an elbow type is connected to the other one of the pipes 14. In the piping drawing of FIG. 3 in which the pipe 11 is connected via a joint 15 and is arranged at a height of 0 mm with respect to a predetermined reference plane as shown in the front view of FIG.
When the pipe 14 is rotated by, for example, 45 degrees around the pipe 2 and the pipe 13 and the pipe 14 is inclined, the part to be rotated (Y-shaped joint 1
6) When the part (tube 14) that is tilted by rotating the part is clicked (designated) with the mouse 7, a window is displayed on the display 8 requesting the input of the height at which the pipe 14 is tilted.

Here, the front view of FIG. 4 is for explaining the height relationship of the piping drawing of FIG. 3. In the front view of FIG. 4, the part data shown in FIG. 9 and FIG. The reference numerals corresponding to those in the piping drawing of FIG. 3 are attached instead of the attached reference numerals.

When a height of, for example, 600 mm is input from the keyboard 6 to the window displayed on the display 8 (FIG. 8), the CPU 1 refers to the component data of the Y-type joint 16 stored in the RAM 3 in the CPU 1. And
The Y-shaped joint 21 registered in the hard disk 5 corresponding to the reference result and the height at which the pipe 14 is inclined (FIG. 9)
Is read out and stored in the RAM 3, and the Y-shaped joint 21
Are displayed (arranged) on the display 8 in place of the Y-shaped joint 16.

Further, in the CPU 1, a keyboard 6
The elbow-type joint 22 (FIG. 10) registered in the hard disk 5 is read out corresponding to the input height (600 mm) of the pipe 14 and the height (6) of the pipe 14 tilted.
00 mm) and the angle at which the Y-shaped joint 16 is rotated (45).
In accordance with (degree), the position on the piping drawing where the elbow joint 22 is arranged is calculated, and after this elbow joint 22 is displayed (arranged) on the display 8, the pipe 14 is deleted (FIG. 7). (A)).

Here, since the angle at which the Y-type joint 16 is inclined is 45 degrees, as shown in FIGS. 7A and 6, the elbow-type joint 22 is 600 mm horizontally from the newly arranged Y-type joint 21. Placed at a distance. However, in FIG. 6, similarly to FIG. 4 described above, reference numerals corresponding to the piping drawings of FIG. 5 are given. Note that FIG.
As described above, the elbow joint 22 is formed at an angle at which the Y joint 16 is inclined.
(In this case, 135 (= 180-45) degrees)
It is something to do.

After the elbow-type joint 22 has been arranged in this way, in addition to static data such as the name, shape, and diameter of the part already known as the part data, the three-dimensional arrangement of the part Dynamic data such as a position and an arrangement direction is stored in the RAM 3. Further, when the pipe 14 is tilted, the height data of the elbow joint 15 and the pipe 11 whose placement height changes are changed. Then, the diameter value and the arrangement position of the component data of the Y-type joint 21, the elbow-type joint 22, and the elbow-type joint 15 stored in the RAM 3 are referred to, and the Y-type joint 21 and the elbow-type joint 2 are referred to.
2, and between the elbow-type joint 22 and the elbow-type joint 15, the component data of the pipe 24 and the pipe 23 are read out from the hard disk 5 and arranged on the piping drawing (FIG. 5).

Next, referring to the flowchart of FIG.
The operation will be further described. First, in step S1, the part to be rotated by 45 degrees, that is, the Y-shaped joint 16, is designated, and in step S2, the part to be inclined by rotating the Y-shaped joint by 45 degrees, that is, the pipe 14, is designated, and the process proceeds to step S3. . In step S3, the height for inclining the pipe 14 is input, and in step S4, the Y-shaped joint 1
6 is deleted, the process proceeds to step S5, and it is determined whether the input height is a positive value or a negative value.

If it is determined in step S5 that the input height is a positive value, the process proceeds to step S6,
In step S1, the part obtained by rotating the Y-type joint 16 which is the part designated to be rotated by 45 degrees upward by 45 degrees, that is, the Y-type joint 21 is arranged at the position where the Y-type joint 16 was arranged, Proceed to step S7. Step S
7, the pipe 14 is deleted, and in step S8, a downward 45-degree elbow type joint, that is, an elbow type joint 22 is arranged at a position corresponding to the input height (FIG. 7).
(A)), and proceed to step S12.

On the other hand, if it is determined in step S5 that the input height is a negative value, the flow advances to step S9, and the Y-shaped joint 16 which is a component designated to be rotated by 45 degrees in step S1. Is rotated downward by 45 degrees, that is, the Y-shaped joint 31 (FIG. 9)
6 is arranged at the position where it was arranged, and the process proceeds to step S10. In step S10, the pipe 14 is deleted, and in step S11, an upward 45-degree elbow-type joint, that is, the elbow-type joint 3 is placed at a position corresponding to the input height.
2 is arranged (FIG. 7B), and the process proceeds to step S12.

In step S12, the elbow connected between the Y-joint 21 or 31 rotated by 45 degrees and the elbow-type joint 22 or 32, and between the elbow-type joint 22 or 32 and the pipe 14 removed. The pipe 24 and the pipe 23 are arranged between the mold joint (90-degree elbow joint) 15 and the processing is completed.

In this embodiment, the angle for rotating the component (Y-shaped joint 16) is set to 45 degrees, but the angle can be set to any value. Further, step S6
Alternatively, in step S9, in order to change the part designated to be rotated 45 degrees in step S1 to a part rotated 45 degrees upward or a part rotated 45 degrees downward, the part is recorded in the hard disk 5 From the search result, if the part specified to be rotated 45 degrees in step S1 is not found, the part rotated 45 degrees upward or the part rotated 45 degrees downward is not found, the part deleted in step S4 Is restored to the original position, and the process is restarted from step S1. In addition, attribute data indicating whether the component can be rotated and attribute data indicating whether the component can be tilted are added to the component data of each component, and the component data is rotated in step S1 or S2. When a component that cannot be tilted or a component that cannot be tilted is designated, the designation can be rejected.

[0028]

According to the drawing apparatus of the first aspect, a rotating part obtained by rotating a piping part by a predetermined angle is registered,
A first component, which is arranged in the piping drawing and rotates by a predetermined angle, and a first component, which is tilted by the rotation of the first component.
A second component arranged adjacent to the first component is designated, and a rotation is performed by rotating the first component by a predetermined angle in response to input of a height for tilting the designated second component. Since the piping drawing is rearranged to the part and the piping drawing is changed to the piping drawing in which the second part is inclined by the input height, the piping drawing can be easily changed.

According to the drawing method of the second aspect, the first component disposed in the piping drawing rotated by a predetermined angle and the first component which is inclined by rotating the first component are disposed adjacent to the first component. The second component is designated, the height at which the second component is tilted is input, and the third component is obtained by rotating the first component by a predetermined angle in accordance with the height at which the second component is tilted. Since the parts are arranged in place of the first parts, the piping drawing can be easily changed.

According to the drawing method of the third aspect, the second part is deleted, and the fourth part having the second part inclined is arranged between the parts arranged at both ends of the second part. Therefore, the piping drawing can be changed more easily.

According to the plotting method of the fourth aspect, the predetermined angle for rotating the first component and the complement of the predetermined angle for rotating the first component corresponding to the height at which the second component is tilted. A fifth part having a corner is arranged. Therefore, the necessary piping drawing change of the additional component can be easily performed.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of an embodiment of a CAD to which a drawing apparatus according to the present invention is applied.

FIG. 2 is a flowchart illustrating the operation of the embodiment of FIG.

FIG. 3 is a plan view showing an example of a piping drawing drawn by the CAD in FIG. 1;

FIG. 4 is a front view of the piping drawing of FIG. 3;

FIG. 5 shows the Y-shaped joint 16 of FIG.
It is a top view showing an example of the piping drawing in which pipe 14 was inclined only 600 mm.

FIG. 6 is a front view of the piping drawing of FIG. 5;

FIG. 7 is a view for explaining that an elbow-type joint 22 or 32 is arranged corresponding to an angle at which the Y-type joint 16 in FIG. 3 is rotated and a height at which the pipe 14 is inclined.

FIG. 8 shows the tube 1 of FIG. 3 displayed on the display 8 of FIG.
It is explanatory drawing which shows the window which inputs the height which inclines 4.

9 is a plan view showing an example of component data of a Y-type joint recorded on a hard disk 5 of FIG.

10 is a plan view showing an example of part data of an elbow joint recorded on the hard disk 5 of FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 CPU 2 ROM 3 RAM 4 Interface 5 Hard disk 6 Keyboard 7 Mouse 8 Display 9 Plotter 11 to 14 Tube 15 Elbow-type joint 16 Y-type joint 21 Y-type joint 22 Elbow-type joint 23, 24 Tube 31 Y-type joint 32 Elbow-type joint

──────────────────────────────────────────────────の Continuing from the front page (56) References “Piping and Equipment VOL. 29 NO. 11” 1989, Sanko Planning and Publishing Dept., 1.11.1 page 35 “Piping and Equipment VOL. 34 NO. 7 "1991, Sanko Planning and Publishing Dept. 3.7.1 p.11" Chemical Equipment "Published by the Industrial Research Association, 1989.9.1, p.86-p.90" Piping Technology "Japan Published by Kogyo Shuppan, 1990.1.10, pages 56 to 60 (58) Fields investigated (Int. Cl. ⁶ , DB name) G06F 17/50

Claims (4)

(57) [Claims] 1. A drawing device for arranging a piping component to draw a piping drawing, comprising: a registration unit for registering a rotating component obtained by rotating the piping component by a predetermined angle; A first part to be rotated by an angle, and a designating means for designating a second part arranged adjacent to the first part which is inclined by the rotation of the first part; and Input means for inputting a height at which the second part is tilted, and a first part for rotating by the predetermined angle designated by the designation means is re-arranged on a rotating part registered in the registration means, Changing means for changing the piping drawing to a piping drawing in which the second component is inclined by the height input from the input means. 2. A drawing method for drawing a piping drawing by arranging a piping component, wherein the first component is rotated by a predetermined angle, and the first component is tilted by rotating the first component. Designating a second component arranged adjacent to the first component, inputting a height at which the second component tilts, and corresponding to the input height, changing the first component A drawing method, wherein a third component rotated by a predetermined angle is arranged in place of the first component. 3. The method according to claim 2, wherein the second component is deleted, and the second component is disposed between components disposed at both ends of the second component.
The drawing method according to claim 2, wherein a fourth part having the inclined part is arranged. 4. Corresponding to the predetermined angle for rotating the first part and the height for tilting the second part,
The drawing method according to claim 2, wherein a fifth component having a supplementary angle of the predetermined angle is arranged.