CN102298739A - Method for changing bill of materials (BOM) and apparatus thereof - Google Patents
Method for changing bill of materials (BOM) and apparatus thereof Download PDFInfo
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Abstract
The invention provides a method for changing a bill of materials (BOM). The method comprises the following steps: A. arranging a change attribute for all elements which need to be changed in a schematic circuit diagram and arranging an attribute value of the change attribute for the elements which need to be changed according to changing content; B. reading a first data sheet which is used to make the BOM from the schematic circuit diagram or a PCB diagram obtained according to the schematic circuit diagram, wherein the each element in the first data sheet is with the change attribute; C. screening items which relate to all the elements which need to be changed from the first data sheet so as to generate a second data sheet according to the attribute value of the change attribute of the each element; D. using element database information in an enterprise resource planning (ERP) system to convert the generated second data sheet into a local BOM which can be identified by the ERP system; E. combining the local BOM with a complete BOM which is not changed in the ERP system and generating the changed BOM according to the change attribute value in the local BOM.
Description
Technical field
The present invention relates to printed circuit board (PCB) (PCB, Print Circuit Board) design and manufacturing technology field, relate in particular to method and the device of a kind of change PCB Bill of Material (BOM) (BOM, Bill of material).
Background technology
In the prior art, the main process of PCB design is, at first carries out the circuit theory diagrams design, secondly designs PCB figure according to these circuit theory diagrams, carries out the throwing plate production of printed circuit board according to the data file that PCB figure generates.Bill of Material (BOM) (BOM, Bill of Materials) can produce and generate according to circuit theory diagrams, also can produce and generate according to PCB figure.Bill of Material (BOM) is the key foundation data of product slate, reflected product by starting material to semi-manufacture, the process and assemble to finished product constitutes again, to should which material being made of by product, and how many consumptions of each material is, how many corresponding attributes is or the like.Bill of Material (BOM) whether accurately, neat cover whether in time, directly have influence on the running of related services such as market, commercial affairs, plan, production.
In the design process of printed circuit board (PCB), usually need to upgrade its Bill of Material (BOM), as need constantly changing the product inventory according to the debugging situation in the production debugging stage; For satisfying different requirements of customers, need accept or reject product function, generate the product of different model.For printed circuit board (PCB), by revising BOM can produce some kinds on the basis of same circuit theory diagrams and printed circuit board (PCB) (PCB) design product.
Prior art roughly has two class disposal routes to the problems referred to above, and method 1:BOM slip-stick artist manually imports Enterprise Resources Plan (ERP, Enterprise Resource Planning) system according to product material change situation with modification information.Method 2: according to schematic diagram after changing or PCB figure, BOM Engineer regenerates a complete BOM inventory.
It is comparatively practical that method 1 changes less occasion for the product material, changes more occasion for the product material, if employing method 1 will increase the workload of BOM Engineer greatly, and the mode of manual input will make BOM inventory probability of errors increase greatly.
Method 2 is feasible for this processing mode under the synchronous situation of the material information in the circuit theory diagrams and the material information in the ERP system, yet it is actual in the research and development of products process, the frequent BOM inventory is changed of meeting for example solves the bug that finds in the R﹠D process; Satisfy the demand of different model on the market; Cost, material substitution or the like fall.But the research and development slip-stick artist does not change BOM situation and is updated to synchronously in the schematic diagram before changing under a lot of situations, makes that like this authenticity of relevant information can't be guaranteed in the schematic diagram.
Therefore how by change, also generating Bill of Material (BOM) accurately fast, is problem demanding prompt solution in the printed board design process.
Summary of the invention
The invention provides a kind of method and device that changes Bill of Material (BOM), can generate Bill of Material (BOM) rapidly and accurately.
The embodiment of the invention proposes a kind of method that changes Bill of Material (BOM), comprises the steps:
A, all elements in the circuit theory diagrams that relate to change are provided with an Alternative Attribute, and the element that relates to change are provided with the property value of its Alternative Attribute according to the change content;
Read first tables of data that is used to make Bill of Material (BOM) B, the PCB figure that obtains from circuit theory diagrams or according to described circuit theory diagrams, each element in described first tables of data has Alternative Attribute;
C, from first tables of data, filter out the list item at all element places that relate to change in design, and generate second tables of data according to the property value of the Alternative Attribute of each element;
D, utilize the component library information in the ERP system, second tables of data that generates is converted to the local Bill of Material (BOM) that ERP system can be discerned;
E, before changing complete material inventory in described local Bill of Material (BOM) and the ERP system is combined,, generate a Bill of Material (BOM) after changing according to the Alternative Attribute value in the local Bill of Material (BOM).
Preferably, the property value of described Alternative Attribute comprises the property value of expression interpolation and the property value of expression deletion.
Preferably, in the steps A, the property value of Alternative Attribute that does not relate to the element of change is left a blank.
Preferably, in the steps A: the unified mode of incremental numbering that adopts is numbered the element item when described principle diagram design.
Preferably, among the step B: the material code, item, encapsulation and the Alternative Attribute information that comprise all elements in the described circuit theory diagrams in described first tables of data.
The embodiment of the invention also proposes a kind of device that changes Bill of Material (BOM), and this device comprises:
Alternative Attribute is provided with module, is used for all elements of the circuit theory diagrams that relate to change are provided with an Alternative Attribute, and the element that relates to change is provided with the property value of its Alternative Attribute according to the change content;
Download module is used for reading first tables of data that is used to make Bill of Material (BOM) from circuit theory diagrams or according to the PCB figure that described circuit theory diagrams obtain, and each element in described first tables of data has Alternative Attribute;
The screening module is used for filtering out the list item at all element places that relate to change in design according to the property value of the Alternative Attribute of each element from first tables of data, and generates second tables of data;
Local Bill of Material (BOM) modular converter is used for utilizing the component library information of ERP system, and second tables of data that generates is converted to the local Bill of Material (BOM) that ERP system can be discerned;
The Bill of Material (BOM) generation module is used for described local Bill of Material (BOM) is combined with ERP system complete material inventory before changing, according to the Alternative Attribute value in the local Bill of Material (BOM), generates a Bill of Material (BOM) after changing.
Preferably, the property value of described Alternative Attribute comprises the property value of expression interpolation and the property value of expression deletion.
Preferably, described Alternative Attribute is provided with module and download module is realized in electronic design automation software.
Preferably, described Bill of Material (BOM) generation module is according to the Alternative Attribute value in the described local Bill of Material (BOM), generating a Bill of Material (BOM) after changing is meant, the Bill of Material (BOM) generation module is that expression is added with the property value of Alternative Attribute, quantity and item according to correspondence add in described complete Bill of Material (BOM), with the property value of Alternative Attribute is that expression is deleted, and deletes in described complete Bill of Material (BOM) according to the quantity and the item of correspondence, generates a Bill of Material (BOM) after changing.
Preferably, the material code, item, encapsulation and the Alternative Attribute information that comprise all elements in the described circuit theory diagrams in described first tables of data.
As can be seen from the above technical solutions, material to the needs change is given a distinctive Alternative Attribute, by to the identification of this attribute obtaining the change situation in the R﹠D process apace, this change situation is combined the Bill of Material (BOM) that obtains after a change with the material information of original ERP system.Adopt the present invention program, BOM Engineer can alleviate BOM change workload greatly on the one hand, and makes the caused human error of manual typing modification information reduce greatly.What is more important, the method that proposes by the present invention program can limit the related scope of design alteration, i.e. and the influence that BOM change is brought only is confined to define the element of particular community, and the risk that the BOM change is brought drops to minimum.
Description of drawings
A kind of method flow diagram that changes Bill of Material (BOM) that Fig. 1 proposes for the present invention;
A kind of method flow diagram that changes Bill of Material (BOM) that Fig. 2 provides for the embodiment of the invention.
Embodiment
The present invention proposes a kind of method flow that changes Bill of Material (BOM) comprises the steps: as shown in Figure 1
Step 101: all elements in the circuit theory diagrams that relate to change are provided with an Alternative Attribute, and the element that relates to change are provided with the property value of its Alternative Attribute according to the change content.
The property value of described Alternative Attribute comprises the property value of expression interpolation and the property value of expression deletion.For the new element that adds of this change in design of needs, the implication that the property value of its Alternative Attribute can be set is interpolation; For the element that this change in design need be deleted, the implication that the property value of its Alternative Attribute can be set is deletion; Property value for the Alternative Attribute of the element that does not relate to change is left a blank.Though change is not limited to delete element and adds element to the element design in the circuit theory diagrams, other alter modes (as the replacement of material) all can adopt deletion and add operation and reach.Replacement can be adopted and at first delete original material as material, adds new material then and realizes.This step can (Electronic Design Automation EDA) operates the circuit theory diagrams that need change in design in the software at the electric design automation of specialty.
What need in addition to illustrate is exactly: the element that increases when guaranteeing material inventory changing and the pairing item of element of deletion do not repeat, and the mode of unified employing incremental numbering is numbered the item of element when circuit theory diagrams designs.The item numbering of newly-increased like this element is numerical value maximum in the existing provided as one homogeneous element item numbering forever, thereby has avoided the repetition of item.
Step 102: read first tables of data that is used to make Bill of Material (BOM) the PCB figure that obtains from circuit theory diagrams or according to described circuit theory diagrams, each element in described first tables of data has Alternative Attribute.Can realize from circuit theory diagrams or PCB figure material attribute in the present eda software, derive first tables of data of the class Bill of Material (BOM) of a plurality of material attributes of containing each element according to the needs of setting.Material attribute in this first tables of data comprises material code, element item, component package etc., and must contain this material attribute of Alternative Attribute in this first tables of data in the present invention.
Step 103: the property value according to the Alternative Attribute of each element filters out the list item at all element places that relate to change in design from first tables of data, and generates second tables of data.According to the property value of the Alternative Attribute of each element in first tables of data, screen the Alternative Attribute value for adding and the list item at the element place of deletion, the set of this list item is called second tables of data.The step of this screening can be utilized the existing office software such as the EXCEL that can edit first tables of data, also can adopt computer program to realize editor and screening to first tables of data.
Step 104: utilize the component library information in the ERP system, second tables of data that generates is converted to the local Bill of Material (BOM) that ERP system can be discerned.Each enterprise is owing to its organizational structure difference, so the requirement of material attribute is also different in the Bill of Material (BOM) among its ERP.So the tables of data that must derive from circuit theory diagrams or PCB figure in conjunction with the component library information in the ERP system, generates the discernible Bill of Material (BOM) of ERP system.Because the present invention upgrades existing Bill of Material (BOM) among the ERP, so this step generates a local Bill of Material (BOM), the i.e. involved Bill of Material (BOM) of this change in design.This step can realize by computer program, and the corresponding elements storehouse among the needs link ERP.
Step 105: before changing complete material inventory in described local Bill of Material (BOM) and the ERP system is combined,, generate a Bill of Material (BOM) after changing according to the Alternative Attribute value in the local Bill of Material (BOM).
Clearer for the characteristics and the technique effect that make technical solution of the present invention, below technical solution of the present invention is further elaborated by specific embodiment.
Fig. 2 shows a kind of method flow that changes Bill of Material (BOM) that the embodiment of the invention provides, and comprises the steps:
Step 201: in relating to the circuit theory diagrams of design alteration, give all elements an Alternative Attribute; And the element that relates to change is provided with the property value of its Alternative Attribute according to the change content.
In the embodiment of the invention, but this Alternative Attribute called after: BOM_ADD/DEL.Give different values for this attribute of element according to the difference (as interpolation, deletion etc.) of alter mode, property value for the Alternative Attribute of new interpolation element may be defined as " ADD ", may be defined as " DEL " for the property value of the Alternative Attribute of the element of needs deletion.Though change is not limited to delete element and adds element to the element in the circuit theory diagrams, other alter modes (as the replacement of material) all can adopt deletion and add operation and reach.Replacement can be adopted and at first delete original material as material, adds new material then and realizes.The sheerly inner agreement of the definition of this property value can be according to user's custom setting, as long as each step is understood consistent when realizing.
Step 202: read first tables of data that is used to make Bill of Material (BOM) from the PCB figure that obtains according to described circuit theory diagrams, each element in described first tables of data has Alternative Attribute.
After the element for needing in the circuit theory diagrams to change that the embodiment of the invention provides has added Alternative Attribute, in the PCB figure that obtains according to described circuit theory diagrams, it is as shown in table 1 for example that being used to of reading made first tables of data of Bill of Material (BOM), this tables of data has comprised device parameter values (VALUE) attribute, encapsulation attribute (COMP_PACKAGE), item (REFDES) attribute, material code (PART_NUMBER) attribute, Alternative Attribute (BOM_ADD/DEL) etc.This tables of data comprises all elements and association attributes thereof among this PCB figure, also comprises element pros and cons (SYM_MIRROR) attribute information etc. in this tables of data, does not list one by one in the present invention, can not be interpreted as to get rid of other property value.But the notebook data table particularly including in step 201 at the defined Alternative Attribute BOM_ADD/DEL of changing unit subelement in the schematic diagram.
| VALUE | REFDES | COMP_PACKAGE | PART_NUMBER | …… | BOM_ADD/DEL |
| 4.7K | R699 | R0603 | *0402196 | DEL | |
| 0.1uF | C552 | C0603 | *0305152 | DEL | |
| 1K | R16 | R0603 | *0402154 | ||
| 47uF | C607 | C1206 | *0305287 | ADD | |
| CPU | U1 | LQFP144 | *0114006 | ADD | |
| 48.000MHz | X9 | CRY4SM-5R00X7R00 | *0701151 | ADD | |
| LL4148 | D2 | D1206 | *0110036 | ||
| SP2525A-1EN-L | U54 | SOP8-50-157X196 | *0111128 | DEL | |
| …… |
Table 1
Step 203: the property value according to the Alternative Attribute of each element filters out the list item at all element places that relate to change in design from first tables of data, and generates second tables of data.
This step is to filter out the item of Alternative Attribute " BOM_ADD/DEL " for ADD from step 202 reads first tables of data of (reading), and to filter out Alternative Attribute " BOM_ADD/DEL " be the item of " DEL ", and it is as shown in table 2 to generate second tables of data:
| VALUE | REFDES | COMP_PACKAGE | PART_NUMBER | …… | BOM_ADD/DEL |
| 4.7K | R699 | R0603 | *0402196 | DEL | |
| 0.1uF | C552 | C0603 | *0305152 | DEL | |
| 47uF | C607 | C1206 | *0305287 | ADD | |
| CPU | U1 | LQFP144 | *0114006 | ADD | |
| 48.000MHz | X9 | CRY4SM-5R00X7R00 | *0701151 | ADD | |
| SP2525A-1EN-L | U54 | SOP8-50-157X196 | *0111128 | DEL |
Table 2
Step 204: second tables of data that will generate is according to the template of setting, and utilizes the component library information in the ERP system, is converted to the local Bill of Material (BOM) that ERP system can be discerned.The tables of data that this step is used to finish all elements that will be referred to change is converted to the discernible inventory form of ERP system, and this moment, the attribute to element can carry out some adjustment according to the Bill of Material (BOM) configuration requirement among the ERP.
Step 205: before changing complete material inventory in described local Bill of Material (BOM) and the ERP system is combined,, generate a Bill of Material (BOM) after changing according to the Alternative Attribute value in the local Bill of Material (BOM).
This step realizes, in original BOM inventory of finishing in the ERP system, delete the element of needs deletion related in the local Bill of Material (BOM), increasing the element of increase related in the local Bill of Material (BOM), is exactly our required final material inventory through the printed circuit board (PCB) after the design alteration by the Bill of Material (BOM) in the above step e RP system.
The embodiment of the invention also proposes a kind of device that changes Bill of Material (BOM), and this device comprises:
Alternative Attribute is provided with module, is used for all elements of the circuit theory diagrams that relate to change are provided with an Alternative Attribute, and the element that relates to change is provided with the property value of its Alternative Attribute according to the change content;
Download module is used for reading first tables of data that is used to make Bill of Material (BOM) from circuit theory diagrams or according to the PCB figure that described circuit theory diagrams obtain, and each element in described first tables of data has Alternative Attribute;
The screening module is used for filtering out the list item at all element places that relate to change in design according to the property value of the Alternative Attribute of each element from first tables of data, and generates second tables of data;
Local Bill of Material (BOM) modular converter is used for utilizing the component library information of ERP system, and second tables of data that generates is converted to the local Bill of Material (BOM) that ERP system can be discerned;
The Bill of Material (BOM) generation module is used for described local Bill of Material (BOM) is combined with ERP system complete material inventory before changing, according to the Alternative Attribute value in the local Bill of Material (BOM), generates a Bill of Material (BOM) after changing.
Preferably, the property value of described Alternative Attribute comprises the property value of expression interpolation and the property value of expression deletion.
Preferably, the Bill of Material (BOM) generation module also is used for the Alternative Attribute value according to described local Bill of Material (BOM), generating a Bill of Material (BOM) after changing is meant, the Bill of Material (BOM) generation module is what add with the property value of Alternative Attribute, quantity according to correspondence is added in described complete Bill of Material (BOM), with the property value of Alternative Attribute is what delete, deletes in described complete Bill of Material (BOM) according to the quantity of correspondence, generates a Bill of Material (BOM) after changing.
Module is set described Alternative Attribute and download module is realized in eda software.
Screening module, local Bill of Material (BOM) modular converter and Bill of Material (BOM) generation module adopt computer program to realize.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being made, is equal to replacement, improvement etc., all should be included within the scope of protection of the invention.
Claims (10)
1. a method that changes Bill of Material (BOM) is characterized in that, comprises the steps:
A, all elements in the circuit theory diagrams that relate to change are provided with an Alternative Attribute, and the element that relates to change are provided with the property value of its Alternative Attribute according to the change content;
Read first tables of data that is used to make Bill of Material (BOM) B, the PCB figure that obtains from circuit theory diagrams or according to described circuit theory diagrams, each element in described first tables of data has Alternative Attribute;
C, from first tables of data, filter out the list item at all element places that relate to change in design, and generate second tables of data according to the property value of the Alternative Attribute of each element;
D, utilize the component library information in the ERP system, second tables of data that generates is converted to the local Bill of Material (BOM) that ERP system can be discerned;
E, before changing complete material inventory in described local Bill of Material (BOM) and the ERP system is combined,, generate a Bill of Material (BOM) after changing according to the Alternative Attribute value in the local Bill of Material (BOM).
2. method according to claim 1 is characterized in that, the property value of described Alternative Attribute comprises the property value of expression interpolation and the property value of expression deletion.
3. method according to claim 2 is characterized in that, in the steps A, the property value of Alternative Attribute that does not relate to the element of change is left a blank.
4. method according to claim 2 is characterized in that, in the steps A: the unified mode of incremental numbering that adopts is numbered the element item when described principle diagram design.
5. according to each described method of claim 1 to 4, it is characterized in that, among the step B: the material code, item, encapsulation and the Alternative Attribute information that comprise all elements in the described circuit theory diagrams in described first tables of data.
6. a device that changes Bill of Material (BOM) is characterized in that, this device comprises:
Alternative Attribute is provided with module, is used for all elements of the circuit theory diagrams that relate to change are provided with an Alternative Attribute, and the element that relates to change is provided with the property value of its Alternative Attribute according to the change content;
Download module is used for reading first tables of data that is used to make Bill of Material (BOM) from circuit theory diagrams or according to the PCB figure that described circuit theory diagrams obtain, and each element in described first tables of data has Alternative Attribute;
The screening module is used for filtering out the list item at all element places that relate to change in design according to the property value of the Alternative Attribute of each element from first tables of data, and generates second tables of data;
Local Bill of Material (BOM) modular converter is used for utilizing the component library information of ERP system, and second tables of data that generates is converted to the local Bill of Material (BOM) that ERP system can be discerned;
The Bill of Material (BOM) generation module is used for described local Bill of Material (BOM) is combined with ERP system complete material inventory before changing, according to the Alternative Attribute value in the local Bill of Material (BOM), generates a Bill of Material (BOM) after changing.
7. device according to claim 6 is characterized in that, the property value of described Alternative Attribute comprises the property value of expression interpolation and the property value of expression deletion.
8. device according to claim 7 is characterized in that module is set described Alternative Attribute and download module is realized in electronic design automation software.
9. device according to claim 8, it is characterized in that, described Bill of Material (BOM) generation module is according to the Alternative Attribute value in the described local Bill of Material (BOM), generating a Bill of Material (BOM) after changing is meant, the Bill of Material (BOM) generation module is that expression is added with the property value of Alternative Attribute, quantity and item according to correspondence add in described complete Bill of Material (BOM), with the property value of Alternative Attribute is that expression is deleted, quantity and item according to correspondence are deleted in described complete Bill of Material (BOM), generate a Bill of Material (BOM) after changing.
10. according to the described device of claim 6 to 9, it is characterized in that, comprise material code, item, encapsulation and the Alternative Attribute information of all elements in the described circuit theory diagrams in described first tables of data.
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Application publication date: 20111228 |