JP2006209362A - Three-dimensional design system for control unit - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a three-dimensional design system for a control unit for confirming the generation of the mutual interference of a middle-sized board on which configuring parts or the like are arranged and a case body in which the middle-sized board is housed in a design stage. <P>SOLUTION: This three-dimensional design system 1 for a control unit is provided with a parts database 11 in which 3D parts data being the three-dimensional information of respective configuring elements 3 and two-dimensional parts data being two-dimensional information are stored, a case body database 19 in which case body data including the shape information of the case body obtained by setting the respective dimensions of the case body as dimension variables are stored, a middle-sized board model generating means 171 forming the three-dimensional middle-sized board model of the middle-sized board 20 where the configuring parts 3 are arranged by using the three-dimensional parts data, a case body model generating means 172 for generating the three-dimensional case body model by using the case body data acquired from the case body database 19 and a unit model display means 173 configured to display the three-dimensional middle-sized board model and the three-dimensional case body model by combining them. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a three-dimensional design system for a control unit that supports design work of a control unit such as, for example, a power control panel that controls power, a machine control panel that controls mechanical devices, equipment, and the like.

  2. Description of the Related Art Conventionally, there is a control unit that has a middle plate on which components are arranged, and that accommodates the middle plate inside a casing. Such a control unit has been completed, for example, by combining an individually designed and manufactured intermediate plate and a housing (see, for example, Patent Document 1). In the manufacturing procedure of such a control unit, when designing the intermediate plate, it is necessary to determine the arrangement of the component parts so as to avoid interference with the separately designed casing. Further, when designing the casing, it is necessary to determine the internal dimensions of the casing so as to avoid interference with the intermediate plate.

  However, the conventional control unit manufacturing procedure has the following problems. That is, when the above-described intermediate plate and the above case are individually designed and manufactured, problems such as mutual interference between the case and the intermediate plate when the two are combined may be finally revealed. . In addition, it is necessary to design the casing with a margin so as to avoid such problems such as mutual interference. Therefore, there is a possibility that the control unit will be increased in size and cost.

JP-A-5-225272

  The present invention has been made in view of the above-mentioned conventional problems, and confirms the occurrence of mutual interference, etc., at the design stage between the intermediate plate on which the component parts and the like are disposed and the housing that houses the intermediate plate. It is an object of the present invention to provide a control unit three-dimensional design system.

The present invention has a control unit comprising a component that is electrically connected via a wire harness that is an electric wire, and housing a substantially flat middle plate on which the component is disposed in a casing. A control unit 3D design system that supports the design work of
3D part data including three-dimensional part physique information of the component parts, and 2D part data including two-dimensional part shape information of a mounting surface facing the intermediate plate in the component parts, for each component part The parts database stored in
A case database storing case data obtained by setting each dimension of the case as a dimensional variable;
A layout input unit configured to input a layout diagram in which the component parts are arranged using the 2D part data, and to generate layout data including arrangement information of the component parts on the intermediate plate;
The intermediate plate shape data defining the shape and size of the intermediate plate is taken in, and the component parts are obtained using the 3D component data, the layout data, and the intermediate plate shape data obtained by referring to the component database. An intermediate plate model generating means configured to generate a three-dimensional intermediate plate model of the disposed intermediate plate;
A casing configured to generate the three-dimensional casing model by obtaining the casing data with reference to the casing database and substituting the casing dimension value, which is external data taken from outside, into the dimension variable. Model generation means;
A control unit three-dimensional design system comprising: unit model display means configured to display a combination of the three-dimensional intermediate plate model and the three-dimensional housing model. 1).

  According to the layout input means of the control unit three-dimensional design system of the present invention, the layout diagram in which the component parts are arranged on the surface of the intermediate plate is efficiently input by using the 2D part data. can do. That is, if the 2D part data having the two-dimensional part shape information on the mounting surface of the component is used, the layout diagram formed by arranging the component is input only by selecting the component. be able to.

  The intermediate plate model generation means uses the 3D component data, the layout data, and the intermediate plate shape data to provide the three-dimensional intermediate plate that is a three-dimensional model of the intermediate plate in which the component parts are arranged. Generate a model. The case model generation means generates the three-dimensional case model, which is a three-dimensional model of the case, using the case data and the case dimension value. The unit model display means is configured to display a combination of the three-dimensional intermediate plate model and the three-dimensional housing model.

  Therefore, the designer who designs the control unit designs a problem such as mutual interference based on the combination state of the three-dimensional intermediate plate model and the three-dimensional housing model displayed by the unit model display means. It can be checked at the stage, and interference between the two in the final product can be reliably avoided. Therefore, there is no need to increase the size of the casing more than necessary because there is a fear of interference between the intermediate plate and the casing.

  As described above, according to the three-dimensional design system for a control unit of the present invention, the design work of the control unit can be supported, and the work load can be reduced. If the three-dimensional design system for the control unit is utilized, the control unit design work can be made more efficient, and an excellent quality and low-cost control unit can be realized.

In the present invention, the case database stores the case data for each of a plurality of types of cases having different specifications, and the case model generation unit is configured to select one of the plurality of types of cases. It is preferable that a selection signal for selecting the casing is taken in from the outside, and the casing data is selected based on the selection signal.
In this case, the case model generation means can selectively take in the case data stored in the case database corresponding to the case having a desired specification. That is, in the three-dimensional design system for the control unit, the control unit can be designed by selecting the casing having an appropriate specification according to the intended use of the control unit to be designed. Therefore, the three-dimensional design system for the control unit is highly versatile and more useful.

The component database stores internal circuit data representing an internal circuit of the component, and also includes the 2D component data including arrangement information of connection terminals for connecting the wire harness, and the component And the 3D part data including the three-dimensional position information of the connection terminal in
The control unit three-dimensional design system uses the internal circuit data to input an electrical circuit diagram provided on the intermediate plate, and generates circuit data representing an electrical path that is an electrical connection path between the connection terminals. Circuit data input means configured to perform, and harness path calculation means for calculating wiring data representing the wiring path of each wire harness using the layout data, the 2D component data, and the circuit data. And
The intermediate plate model generation means uses the layout data, the 3D component data, and the wiring data to arrange the three-dimensional intermediate plate model in which the component parts are arranged and the wire harness is laid. It is preferable to be configured to generate (Claim 3).

  In this case, it is possible to generate the three-dimensional intermediate plate model in which the wire harness is laid as well as the component parts, and to combine the three-dimensional intermediate plate model and the three-dimensional housing model. Therefore, taking into account the wire harness, problems such as mutual interference between the intermediate plate and the housing can be studied with higher accuracy at the design stage.

  The three-dimensional design system for the control unit is configured to take in the arrangement change data that is the change information of the arrangement position of the component in the three-dimensional intermediate plate model displayed by the unit model display means. It is preferable to have data fetching means and layout data updating means configured to update the layout data based on the layout change data.

  In this case, the layout data is corrected in consideration of the appropriateness of the combination of the three-dimensional intermediate plate model generated using the layout data captured by the layout capturing means and the three-dimensional housing model. Can be updated. And the said intermediate | middle board model production | generation means can produce | generate the said new 3-dimensional intermediate | middle board model based on the layout data updated as mentioned above. Therefore, the unit model display means can display the new three-dimensional intermediate plate model and the three-dimensional housing model in combination.

  Thus, the designer who designs the control unit can bring the design closer to the optimum by directly operating the three-dimensional intermediate plate model displayed on the unit model display means. Therefore, according to the three-dimensional design system for the control unit, the efficiency of the design work of the control unit can be further improved.

  The three-dimensional design system of the control unit is configured to take in the wiring change data that is the change information of the wiring route of the wire harness in the three-dimensional intermediate plate model displayed by the unit model display means. It is preferable to have a fetching unit and a wiring data updating unit configured to update the wiring data based on the wiring change data.

  In this case, the three-dimensional intermediate plate is taken into consideration while considering the suitability of the combination of the three-dimensional intermediate plate model using the wiring data generated by the harness path calculation means and the three-dimensional housing model. The wiring data in the model can be corrected and updated. Therefore, according to the three-dimensional design system for the control unit, the efficiency of the design work for the control unit can be further improved.

Example 1
This example is an example related to the three-dimensional design system 1 of the control unit that supports the design work of the control unit 2. This content will be described with reference to FIGS.
The control unit three-dimensional design system 1 (hereinafter, simply referred to as the three-dimensional design system 1) of the present example, as shown in FIGS. 1 and 2, via a wire harness 4 (see FIG. 4) that is an electric wire. And supporting the design work of the control unit 2 having the substantially flat middle plate 20 on which the component 3 is disposed housed in the housing 6. Is for.
The 3D design system 1 includes 3D part data including 3D part physique information of the component 3 and 2D part shape information of the mounting surface 200 facing the intermediate plate 20 in the component 3. The component database 11 storing the component data, the case database 19 storing the case data obtained by setting each dimension of the case 6 as a dimension variable, and the component 3 are arranged using the 2D component data. A layout input means 182 configured to generate layout data including arrangement information of each component 3 on the intermediate plate 20 and a shape and size of the intermediate plate 20 are defined. While taking in the plate shape data, a 3D mid plate model of the mid plate 20 in which the component 3 is arranged using the 3D component data, the layout data, and the mid plate shape data. The case data is acquired from the intermediate plate model generation unit 171 and the case database 19 to be generated, and the case dimension value, which is external data taken from outside, is substituted into the above-described dimension variable to generate a three-dimensional case model. And a unit model display unit 173 configured to display a combination of the three-dimensional intermediate plate model and the three-dimensional case model.
Hereinafter, this content will be described in detail.

    As shown in FIG. 3, the hardware configuration for realizing the three-dimensional design system 1 of this example is configured by using a general-purpose computer 5 (hereinafter referred to as PC 5) and installing software on the PC 5. is there. The PC 5 includes a central processing unit 51 (CPU), a hard disk device 52 as storage means for forming the component database 11, a ROM 531 as a storage memory, a RAM 532, and a main body 50 including an I / O unit 54 for controlling input / output, It has a display 55 that visually presents various data and forms the result output means 17, a keyboard 561 for inputting data into the main body 50, and a mouse 562 as a pointing device.

  As shown in FIGS. 2 and 4, the control unit 2 designed in this example includes a substantially flat middle plate 20 in which at least two or more components 3 are arranged, made of a material SPCC, SUS, or the like. It is housed in the housing 6. Each component 3 faces a connection terminal 30 for electrically connecting the wire harness 4 and one terminal access surface 301 which is a side surface connecting the wire harness 4 to the connection terminal 30 or each other. It has two terminal access surfaces 301 and 302 which are side surfaces. The intermediate plate 20 virtually includes one or two or more substantially linear component arrangement lines 21 and 22 that are substantially parallel to each other. Thus, the component 3 is arranged on the component arrangement lines 21 and 22 so that the terminal access surfaces 301 and 302 are substantially parallel to each other.

  As shown in FIGS. 1 and 4, the three-dimensional design system 1 of this example includes a circuit input unit 181 for inputting an electric circuit diagram formed on the intermediate plate 20 in addition to the above configuration, Circuit data capturing means 12 configured to capture circuit data representing an electrical path 40 that is an electrical connection path between the connection terminals 30 in the electrical circuit configured on the board 20, and the electrical path 40 based on the circuit data Among them, the connection data generation means 14 configured to generate the connection data formed by grouping the electrical paths 40 that are electrically directly connected without interposing the component 3 and giving a common path ID; A connection data storage unit 184 for storing the connection data, a layout capturing unit 13 configured to capture the layout data, and the layout data. Order data calculation means 185 for calculating the order data representing the order of the respective terminal access surfaces 301 and 302, order data storage means 15 for storing the order data, layout data, 2D component data, and circuit data Based on the wiring path, the harness path calculation means 16 configured to calculate the wiring data representing the wiring path of each wire harness, and the path length calculation means 183 for calculating the wiring length of each wire harness 4 are provided. is doing. The contents of these means will be described later in detail.

Next, the content of each component part which comprises the automatic wiring system 1 of this example is demonstrated separately.
First, as shown in FIGS. 5 and 6, the component database 11 includes component data such as a breaker, a circuit protector, a relay, a sequencer, a transformer, a power supply unit, and a terminal block as the component 3 constituting the control unit 2. Storing. For example, as a circuit protector, 2D component data 112, 3D component data 113 and internal circuit data of a plurality of circuit protectors having different product specifications and manufacturers are stored in association with the component ID assigned to each component 3. .

As shown in FIG. 5, the 3D component data of this example includes the terminal position representing the three-dimensional position of each connection terminal 30 in addition to the component physique information representing the three-dimensional shape of the component 3 with respect to the intermediate plate 20. Have information.
As said component physique information, it has 3D shape data which consists of the dimension of the vertical (W) width (D) height (H) of each component part 3. FIG. The terminal position information includes three-dimensional 3D terminal position data of each terminal ID with the reference point in the component 3 as the origin.

As shown in FIGS. 4 to 6, the 2D part data includes the terminal access surfaces S <b> 1 and S <b> 2 of the component 3 in addition to the component shape information representing the two-dimensional shape of the mounting surface 300 of the component 3 (FIG. 2). In FIG. 2, the layout information is indicated by reference numerals 301 and 302.
As the component shape information, 2D shape data consisting of the dimensions of the vertical (W) width (D) of the mounting surface 300 is included. Further, as the arrangement information, as shown in FIG. 5, information on the terminal ID of the connection terminal 30 arranged on the terminal access surfaces S <b> 1 and S <b> 2 is included.

  Further, as shown in FIG. 6, the component database 11 of the present example has internal circuit information of the component part 3 as shown in FIG. 6 of the element parts 32 constituting the internal electric circuit such as a diode, a capacitor, a transformer, and a resistor. It has internal circuit data representing the configuration and the electrical connection relationship of these element parts 32, that is, the internal electric circuit.

  Next, the housing database 19 is configured to store the housing data as described above, as shown in FIG. As the case data, data of a plurality of types of cases 6 having different specifications are stored. Each case data is obtained by setting each dimension of the case 6 as a dimension variable. That is, based on the case data of this example, a three-dimensional case model having an arbitrary size can be generated by substituting a case dimension value imported from the outside into a dimension variable.

  The circuit input means 181 is mainly configured with a CAD function for drawing an electric circuit. As shown in FIGS. 3 and 6, the circuit input means 181 includes a display function for displaying the drawn electric circuit diagram on the display 55 and, for example, operation information on the operation of the mouse 562 and the keyboard 561 by the CAD operator. It has an operation input function for taking in and replacing it with electronic data, and a data generation function for automatically generating the circuit data.

  As shown in FIG. 1, the circuit input unit 181 of this example is configured so that 2D component data stored in the component database 11 can be referred to. Therefore, for example, as shown in FIGS. 3 and 6, the CAD operator first selects the component 3 from the component database 11 in order to realize a desired electrical function. Thereafter, the electric circuit based on the internal circuit data of the component 3 can be pasted on the drawing area on the display 55 by a drag-and-drop operation of the mouse 562, for example. Note that FIG. 6 shows a state in which the component 3 having the component IDs P01 and P02 is pasted.

  Further, in the circuit input means 181 of this example, as shown in FIG. 6, the connection terminals 30 of the respective component parts 3 are displayed as ◯ marks that form the ends of the electric circuit produced on the display 55. For example, the CAD operator forms an electrical path 40 between the two by linking a circle representing the connection terminal 30 of the connection source and a circle representing the connection terminal 30 of the connection destination by operating the mouse. Can do.

  The data generation function in the circuit input means 181 relates the terminal ID of the connection terminal 30 of the connection source to the terminal ID of the connection terminal 30 of the connection destination for each electrical path 40 formed as shown in FIG. The circuit data is generated. For example, as shown in the upper table of FIG. 8, the circuit data is obtained by associating the terminal IDs of the connection terminals 30 that form both ends of the electrical paths 40 such as L01, L02, and L03. Here, the terminal ID display in the figure is unique by a combination with a component ID of P **.

  The layout input means 182 is mainly configured with a CAD function for drawing a layout diagram which is a mechanical drawing. As shown in FIGS. 3 and 9, the layout input unit 182 takes in a display function for displaying the drawn layout diagram on the display 55 and, for example, operation information on the operation of the mouse 562 and the keyboard 561 by the CAD operator. And an operation input function for replacing with electronic data, and a layout data generation function for generating the layout data.

  As shown in FIG. 1, the layout input unit 182 of this example is configured so that 2D component data stored in the component database 11 can be referred to. Therefore, for example, as shown in FIG. 9, the CAD operator selects a component from the parts database 11, and, for example, drags and drops the mouse 562 (see FIG. 3) to the drawing area on the display 55. The component 3 can be pasted.

  Here, the 2D component data 112 of this example has 2D shape data of the mounting surface 300 of each component 3 as shown in FIGS. 4 and 5. Therefore, when the selected component 3 is pasted on the drawing area, the shape of the mounting surface 300 of the component 3 can be automatically drawn based on the shape data. The layout input means 182 further has an inversion function for inverting the top and bottom of the component 3 to replace the terminal access surfaces S1 and S2, and a relocation function for changing the arrangement.

For example, the CAD operator can selectively change which of the reference numerals 301 and 302 in FIG. 9 is assigned to the terminal access surfaces S1 and S2 by reversing the mounting surface 300 using a reversal function. In FIG. 9, the terminal access surface facing the reference side 201 is denoted by reference numeral 301, and the terminal access surface on the opposite side is denoted by reference numeral 302. Further, if the relocation function is used, the arrangement of the component parts 3 on the intermediate plate 20 can be freely changed.
Further, the layout data generation function in the layout input unit 182 is configured to automatically generate layout data including the arrangement information of the component 3 on the intermediate plate 20 and the posture information indicating the orientation of the terminal access surfaces S1 and S2. Has been.

  Here, as shown in FIG. 9, the layout input means 182 of this example first forms one or two or more substantially linear component arrangement lines for arranging the component 3 when drawing the layout diagram. 21 and 22 can be input. The CAD operator can lay out the component parts 3 on the component arrangement lines 21 and 22 by assigning the component parts 3 to the component arrangement lines 21 and 22.

  As shown in FIGS. 1 and 8, the connection data generating means 14 is based on the circuit data (upper table in FIG. 8) fetched via the circuit data fetching means 12 and the connection data (FIG. 8). Middle and lower table.). As shown in FIG. 8, the connection data is obtained by grouping electric paths that are directly connected without interposing the component 3 among the electric paths in the circuit data and assigning a common path ID. Become.

  Specifically, the connection data generation unit 14 is configured to first classify the electrical paths having the common connection terminals 30 as the same group based on the circuit data. Then, as shown in FIG. 8, a common route ID is assigned to each electrical route for each group. In this example, the connection data is stored in the connection data storage unit 184.

  As shown in FIG. 9, the rank data calculation means 185 is configured to calculate rank data that defines the rank of the terminal access surfaces 301 and 302 on the intermediate board 20 based on the layout data. This rank order data is used to determine the order of calculation in the harness route calculation means 16. The order data calculation means 185 includes an in-line order that defines the order of the terminal access surfaces 301 and 302 of the component 3 arranged on the common part placement lines 21 and 22, and the part placement lines 21 and 22. The arrangement line order, which is an order, is arranged such that the order data is calculated by ordering the terminal access surfaces 301 and 302 in priority to the arrangement line order.

  Here, in the rank data calculation means 185, as shown in FIG. 9, a reference side 201, which is one side in a direction orthogonal to the component arrangement lines 21 and 22, is set. In addition, the start side 202 is set on one side of the directions in which the component arrangement lines 21 and 22 extend, and the end side 203 is set on the other side.

  9, the terminal access surface 301 facing the reference side 201 is ordered from the start side 202 toward the end side 203, and then facing the side opposite to the reference side 201, as shown in FIG. The terminal access surfaces 302 are arranged from the end side 203 toward the start side 202. Further, the arrangement line sequence is an arrangement of the component arrangement lines 21 and 22 from the side closer to the reference side 201 toward the far side. In the figure, the order of the terminal access surfaces 301 and 302 is indicated by numerals 1 to 20, and the descending order is indicated by arrows. The order data storage means 15 is configured to store the order data calculated by the order data calculation means 185 as described above.

  As shown in FIG. 9, the harness route calculation means 16 selects the terminal access surfaces 301 and 302 in order based on the order defined in the order data. Then, referring to the 2D component data, a harness connection source terminal which is the connection terminal 30 disposed on the target terminal access surfaces 301 and 302 is obtained. Thereafter, the harness path calculation means 16 calculates a harness connection destination terminal that is the counterpart connection terminal 30 that connects the wire harness 4 to the harness connection source terminal. The harness route calculation means 16 of this example is configured to generate wiring data representing the connection terminals 30 connected to both ends of each wire harness 4 (see FIG. 4) according to the procedure described below.

  As shown in FIGS. 8 and 9, the harness route calculation means 16 of this example obtains a route ID of the electrical route 40 (see FIG. 4) connected to the harness connection source terminal with reference to the connection data, and is common. Another connection terminal 30 on the electrical path having the path ID is configured to be obtained as a candidate for the harness connection destination terminal. Further, the harness route calculating means 16 is positioned on the terminal access surfaces 301 and 302 closest to the downstream side of the order based on the order data, with reference to the target terminal access surfaces 301 and 302 among the candidate connection terminals 30. What is to be calculated is configured as the harness connection destination terminal.

  As shown in FIG. 4, for example, if the harness connection source terminal is represented by reference numeral 30 s and the connection terminal 30 on the electrical path having a common path ID is represented by a circle, the harness connection source terminal 30 s is The connection terminal 30 of the component 3 with the component ID P05 that is closest to the order shown by the arrow in FIG. 8 is obtained as the harness connection destination terminal 30e.

  As shown in FIG. 10, the intermediate plate model generating means 171 is based on layout data and 3D component data. First, a three-dimensional intermediate plate model in which the component 3 as a three-dimensional object is arranged on the intermediate plate 20. Is generated. Further, the intermediate plate model generating means 171 of this example lays the wire harness 4 three-dimensionally on the surface of the intermediate plate 20 as a three-dimensional intermediate plate model based on the wiring data, and A three-dimensional intermediate plate model that is a model of the included intermediate plate is generated. In the figure, the wire harness 4 is omitted.

  As shown in FIG. 1, the case model generation unit 172 takes in case data of a specific type of case 6 based on a selection signal taken from outside. Then, a three-dimensional casing model having a predetermined shape and size is generated by substituting the casing dimension value as the external data into the dimension variable of the casing model.

  The unit model display means 173 is configured to display a combination of a three-dimensional housing model and a three-dimensional intermediate plate model as shown in FIG. Specifically, a three-dimensional intermediate plate model is arranged and displayed in a hollow portion inside the three-dimensional housing model.

Next, the flow of work using the automatic wiring system 1 of this example will be described. In designing the control unit 2 using the three-dimensional design system 1, first, for example, a CAD operator draws an electric circuit diagram using the circuit input unit 181 and uses the layout input unit 182. Use it to draw a layout diagram. At this time, inside the three-dimensional design system 1, the circuit data is generated based on the manufactured electrical circuit diagram, and the layout data is generated based on the manufactured layout diagram.
Further, the three-dimensional design system 1 automatically generates the connection data based on the circuit data and calculates the order data based on the layout data. The connection data of this example is stored in the connection data storage unit 184.

Next, the harness route calculation means 16 calculates the wiring data representing the wiring route of the wire harness 4 based on the connection data and the rank data.
As described above, the intermediate plate model generation unit 171 uses the layout data, the 3D component data, the connection data, and the intermediate plate shape data to arrange the component 3 as a three-dimensional object and to connect the wire harness 4. A three-dimensional intermediate plate model laid in three dimensions is generated. Further, the housing model generation unit 172 generates a three-dimensional housing model by substituting the housing dimension value taken from the outside into the dimension variable for the housing data selected based on the selection signal. Note that the housing model generation unit 172 of this example takes in a selection signal or a housing dimension value input by the operator of the three-dimensional design system 1 via the mouse 562 or the keyboard 561.

  The unit model display unit 173 displays a 3D unit model formed by combining the 3D intermediate plate model by the intermediate plate model generation unit 171 and the 3D case model by the case model generation unit 172 on the display screen of the display 55. To display. In this example, the posture of the three-dimensional unit model can be arbitrarily changed on the display screen by a mouse operation by the operator of the three-dimensional design system 1. On the other hand, the path length calculation means 183 calculates the wiring length of each wire harness 4 using the layout data and the wiring data.

  Note that the three-dimensional intermediate plate model of this example includes the wire harness 4 laid in three dimensions. Instead, based on this example, the circuit input means 181, the circuit data fetch means 12, the connection data generation means 14, the connection data storage means 184, the order data calculation means 15, the order data storage means 185, the harness path calculation means 16 and the path length calculation means 183 can be omitted, and a simplified three-dimensional design system can be configured. In this case, it becomes a useful design support system capable of confirming in advance at the design stage a combination of a three-dimensional intermediate plate model in which component parts 3 as three-dimensional objects are arranged and a three-dimensional housing model. .

  In addition, instead of this example, either or either one of the circuit input unit 181 and the layout input unit 182 may be omitted from the automatic wiring system 1 of this example. In this case, circuit data and / or layout data can be taken into the automatic wiring system 1 via a recording medium such as a flexible disk or CDR.

  Further, a PC terminal (not shown) provided with circuit input means 181, layout input means 182 and unit model display means 173 may be prepared separately. In this case, a three-dimensional design system similar to this example can be constructed by using this PC terminal and the PC 5 as a calculation server via a communication line such as the Internet or an intranet.

  In the three-dimensional design system constructed via such a communication line, the operator of the PC terminal accesses the parts database via a communication line such as the Internet and draws an electric circuit diagram and a layout diagram, for example. be able to. Then, by transmitting the circuit data and layout data calculated by the PC terminal to the PC 5, it is possible to receive the data of the three-dimensional middle plate model and the three-dimensional housing model as the calculation result of the PC 5. The unit model display means 173 of the PC terminal can be used to display a three-dimensional unit model that is a combination of a three-dimensional intermediate plate model and a three-dimensional housing model.

(Example 2)
This example is an example of the three-dimensional design system 1 configured by adding an arrangement change data capturing unit 174 and a layout data updating unit 175 based on the first embodiment. This will be described with reference to FIG.
The user I / F 178 of the three-dimensional design system 1 of this example is for changing the arrangement of the component parts 3 in the three-dimensional intermediate plate model (see FIG. 10) displayed on the display screen. Specifically, in this example, the arrangement of the component parts 3 can be changed by dragging and dropping the mouse on the display screen. Then, the arrangement change data fetching unit 174 is configured to fetch the arrangement change data obtained by quantifying the change information of the arrangement position based on the arrangement change of the component 3 described above. The layout data updating unit 175 is configured to update the layout data based on the arrangement change data.

  Here, the order data calculation means 185 (see FIG. 1) configured similarly to the first embodiment recalculates the order data based on the new layout data, and the order data storage means 15 (see FIG. 1). ). And the harness path | route calculation means 16 (refer FIG. 1) recalculates wiring data. Then, the intermediate plate model generation unit 171 in this example updates the three-dimensional intermediate plate model based on the layout data and the wiring data updated as described above. Then, the unit model display unit 173 generates a new three-dimensional unit model by combining the updated three-dimensional middle plate model with the three-dimensional housing model. Furthermore, the path length calculation means 183 (see FIG. 1) recalculates the wiring length of each wire harness in the three-dimensional intermediate plate model.

  Therefore, according to the three-dimensional design system of this example, the arrangement of the component parts 3 can be changed on the three-dimensional unit model displayed by the function of the unit model display means 173. Then, the suitability of the combination with the three-dimensional housing model for the new three-dimensional intermediate plate model in which the arrangement of the component parts 3 is changed can be continuously examined.

Thus, the three-dimensional design system of this example is an excellent system that can further improve the efficiency of the design work of the control unit.
Other configurations and operational effects are the same as those in the first embodiment.

(Example 3)
This example is an example of the three-dimensional design system 1 configured by adding the wiring change data capturing unit 176 and the wiring data updating unit 177 based on the second embodiment. The contents will be described with reference to FIG.
The three-dimensional design system 1 of this example changes the wiring path of the wire harness 4 (see FIG. 4) in the three-dimensional intermediate plate model (see FIG. 10) in the three-dimensional unit model displayed on the display screen. be able to. Specifically, the wiring change data capturing unit 176 of this example captures wiring change data in which the change information is digitized based on a change in the wiring path of the wire harness by a mouse drag-and-drop operation on the display screen. It is constituted as follows. The wiring data changing unit 177 is configured to update the wiring data calculated by the harness route calculating unit 16 (see FIG. 1) based on the wiring change data.

  The middle plate model generation means 171 in this example modifies the three-dimensional wiring path of the wire harness based on the updated wiring data as described above, and updates the three-dimensional middle plate model. Then, the unit model display unit 173 generates a new three-dimensional unit model by combining the updated three-dimensional middle plate model with the three-dimensional housing model. Further, the path length calculation means 183 (see FIG. 1) recalculates the wiring length of each wire harness in the three-dimensional intermediate plate model.

  Therefore, according to the three-dimensional design system of this example, the wiring arrangement of the wire harness can be changed on the three-dimensional unit model displayed by the function of the unit model display means 173. And about the new three-dimensional intermediate plate model which changed the wiring path | route of a wire harness, the suitability of a combination with a three-dimensional housing model can be examined continuously.

Thus, the three-dimensional design system of this example is an excellent system that can further improve the efficiency of the design work of the control unit.
Other configurations and operational effects are the same as those in the first embodiment.

FIG. 2 is a block diagram illustrating a configuration of a control unit three-dimensional design system in the first embodiment. FIG. 3 is a perspective view showing a three-dimensional unit model obtained by combining a three-dimensional intermediate plate model and a three-dimensional housing model in the first embodiment. FIG. 3 is a configuration diagram showing a configuration of a PC forming a control unit three-dimensional design system in the first embodiment. The harness figure which overlapped and illustrated the wiring path | route of the wire harness in the layout figure in Example 1. FIG. . The data block diagram which shows the structure of the component data stored in the components database in Example 1. FIG. FIG. 3 is an electric circuit diagram for input using circuit input means in the first embodiment. The conceptual diagram explaining the housing | casing data stored in the housing | casing database in Example 1. FIG. Explanatory drawing explaining the calculation process which produces | generates connection data from circuit data via a connection data production | generation means in Example 1. FIG. FIG. 3 is a layout diagram input using layout input means in the first embodiment. FIG. 3 is a perspective view showing a three-dimensional intermediate plate model in Embodiment 1. FIG. 9 is a block diagram mainly showing components added to the system configuration of the first embodiment in the second embodiment. FIG. 9 is a block diagram mainly showing components added to the system configuration of the first embodiment in the third embodiment.

Explanation of symbols

1 Control unit 3D design system (3D design system)
DESCRIPTION OF SYMBOLS 11 Parts database 12 Circuit data acquisition means 13 Layout acquisition means 14 Connection data generation means 15 Order data storage means 16 Harness route calculation means 171 Middle board model generation means 172 Case model generation means 173 Unit model display means 182 Layout input means 2 Control Unit 20 Middle plate 3 Component 30 Connection terminal 301, 302 Terminal access surface 4 Wire harness 6 Housing

Claims (5)

Design work of a control unit comprising a component part electrically connected via a wire harness, which is an electric wire, and housing a substantially flat middle plate on which the component part is disposed in a housing A three-dimensional design system for supporting control units,
3D part data including three-dimensional part physique information of the component parts, and 2D part data including two-dimensional part shape information of a mounting surface facing the intermediate plate in the component parts, for each component part The parts database stored in
A case database storing case data obtained by setting each dimension of the case as a dimensional variable;
A layout input unit configured to input a layout diagram in which the component parts are arranged using the 2D part data, and to generate layout data including arrangement information of the component parts on the intermediate plate;
The intermediate plate shape data defining the shape and size of the intermediate plate is taken in, and the component parts are obtained using the 3D component data, the layout data, and the intermediate plate shape data obtained by referring to the component database. An intermediate plate model generating means configured to generate a three-dimensional intermediate plate model of the disposed intermediate plate;
A casing configured to generate the three-dimensional casing model by obtaining the casing data with reference to the casing database and substituting the casing dimension value, which is external data captured from the outside, into the dimension variable. Model generation means;
A control unit three-dimensional design system comprising unit model display means configured to display a combination of the three-dimensional intermediate plate model and the three-dimensional housing model.   In Claim 1, the said housing | casing database has each stored the said housing | casing data about the said several types of said housing | casing from which specification differs, The said housing | casing model production | generation means is one from the said several types of housing | casing. A control unit three-dimensional design system configured to take in a selection signal for selecting a case from outside and select the case data based on the selection signal. 3. The 2D component data according to claim 1 or 2, wherein the component database stores internal circuit data representing an internal circuit of the component, and includes arrangement information of connection terminals for connecting the wire harness. And the 3D component data including the three-dimensional position information of the connection terminal in the component,
The control unit three-dimensional design system uses the internal circuit data to input an electrical circuit diagram provided on the intermediate plate, and generates circuit data representing an electrical path that is an electrical connection path between the connection terminals. Circuit data input means configured to perform, and harness path calculation means for calculating wiring data representing the wiring path of each wire harness using the layout data, the 2D component data, and the circuit data. And
The intermediate plate model generation means uses the layout data, the 3D component data, and the wiring data to arrange the three-dimensional intermediate plate model in which the component parts are arranged and the wire harness is laid. A control unit three-dimensional design system configured to generate a control unit.   4. The control unit three-dimensional design system according to claim 3, wherein the control unit three-dimensional design system captures layout change data, which is change information of the arrangement position of the component in the three-dimensional intermediate plate model displayed by the unit model display means. And a layout data updating unit configured to update the layout data based on the layout change data. A three-dimensional design system for a control unit, comprising: 5. The control unit three-dimensional design system according to claim 4, wherein the control unit three-dimensional design system is configured to capture wiring change data, which is information on changing the wiring route of the wire harness in the three-dimensional intermediate plate model displayed by the unit model display means. A control unit three-dimensional design system comprising: wiring change data fetching means; and wiring data update means configured to update the wiring data based on the wiring change data.

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