Parts search system and part search method

Abstract

To provide a component retrieval system capable of digitizing characteristics shown in a graph representing characteristics of a component and easily extracting the component.SOLUTION: A component retrieval system 10 comprises: an acquisition part 11 which acquires a graph showing characteristics of a component; a calculation part 12 which digitizes characteristics shown in the graph acquired by the acquisition part 11 and calculates a characteristic value indicative of the characteristics of the component; a storage part 13 which stores the characteristic value calculated by th e calculation part 12; a reception part 14 which receives an extraction condition for extracting the component; an extraction part 15 which refers to the characteristic value stored in the storage part 13 and extracts a component meeting the extraction condition received by the reception part 14; and an output part 16 which outputs component information related to the component extracted by the extraction part 15.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present disclosure relates to a parts search system and a parts search method. [Background technology]

[0002] Conventionally, component search systems for searching for components have been known. For example, Patent Document 1 discloses an electronic component data sheet search device that includes a search means for searching for and collecting electronic component data sheets via a network, an accumulation means for accumulating the collected electronic component data sheets, and a control means for searching the accumulation means for electronic component data sheets that match input desired electronic component specifications and outputting the searched electronic component data sheets from an output means. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. 2002-230003 Summary of the Invention [Problem to be solved by the invention]

[0004] However, the electronic component data sheet search device of Patent Document 1 cannot digitize the characteristics shown in the graph showing the component characteristics, making it difficult to extract components.

[0005] Therefore, the present disclosure provides a parts search system and the like that can quantify the characteristics shown in a graph showing the characteristics of parts and can easily extract parts. [Means for solving the problem]

[0006] A part search system according to one aspect of the present disclosure includes an acquisition unit that acquires a graph showing part characteristics; a calculation unit that quantifies the characteristics shown in the graph acquired by the acquisition unit and calculates characteristic values ​​showing the part characteristics; a memory unit that stores the characteristic values ​​calculated by the calculation unit; a reception unit that receives extraction conditions for extracting parts; an extraction unit that references the characteristic values ​​stored in the memory unit and extracts parts that satisfy the extraction conditions received by the reception unit; and an output unit that outputs part information about the parts extracted by the extraction unit. The extraction conditions include the part number of the part to be extracted and settings regarding identity with the original part, which is a part that has been previously associated with the part number; the extraction conditions include fixed conditions, which are conditions that have been previously set, and optional conditions, which are conditions that are arbitrarily set by the user; and both the fixed conditions and optional conditions include settings regarding identity with the original part.

[0007] Furthermore, a parts search system according to one aspect of the present disclosure includes a reception unit that receives extraction conditions for extracting parts, an extraction unit that refers to characteristic values ​​that indicate the characteristics of the parts and are stored in a memory unit that stores the characteristic values, and extracts parts that satisfy the extraction conditions received by the reception unit, and an output unit that outputs part information about the parts extracted by the extraction unit, wherein the characteristic values ​​are numerical values ​​of the characteristics shown in a graph that indicates the characteristics of the parts. The extraction conditions include the part number of the part to be extracted and settings regarding identity with the original part, which is a part that has been previously associated with the part number; the extraction conditions include fixed conditions, which are conditions that have been previously set, and optional conditions, which are conditions that are arbitrarily set by the user; and both the fixed conditions and optional conditions include settings regarding identity with the original part.

[0008] Further, a component search method according to an aspect of the present disclosure includes: A computer-implemented part search method, comprising: The method includes an acquisition step of acquiring a graph showing the characteristics of the parts, a calculation step of converting the characteristics shown in the graph acquired in the acquisition step into numerical values ​​and calculating characteristic values ​​showing the characteristics of the parts, a storage step of storing the characteristic values ​​calculated in the calculation step in a storage unit, a reception step of receiving extraction conditions for extracting parts, an extraction step of referring to the characteristic values ​​stored in the storage unit and extracting parts that satisfy the extraction conditions received in the reception step, and an output step of outputting part information about the parts extracted in the extraction step. The extraction conditions include the part number of the part to be extracted and settings regarding identity with the original part, which is a part that has been previously associated with the part number; the extraction conditions include fixed conditions, which are conditions that have been previously set, and optional conditions, which are conditions that are arbitrarily set by the user; and both the fixed conditions and optional conditions include settings regarding identity with the original part. [Effects of the Invention]

[0009] According to the component search system and the like of the present disclosure, the characteristics shown in a graph showing the component characteristics can be quantified, and a component search system that can easily extract components is provided. [Brief explanation of the drawings]

[0010] [Figure 1] FIG. 1 is a block diagram showing the functional configuration of a parts search system according to an embodiment. [Figure 2] FIG. 2 is a flowchart showing an example of the operation of the component search system of FIG. 1 when calculating characteristic values. [Figure 3] FIG. 3 is a diagram showing a graph obtained by the component search system of FIG. [Figure 4] FIG. 4 is a flowchart showing an example of the operation of the component search system of FIG. 1 when extracting components. [Figure 5] FIG. 5 is a diagram showing an example of a setting screen for extraction conditions. [Figure 6] FIG. 6 is a diagram illustrating an example of extraction conditions. [Figure 7] FIG. 7 is a diagram showing the capacitance values ​​of capacitors defined by the JIS standard. DETAILED DESCRIPTION OF THE INVENTION

[0011] The embodiments described below each illustrate a specific example of the present disclosure. The numerical values, shapes, materials, components, component placement and connection configurations, steps, and step order shown in the following embodiments are merely examples and are not intended to limit the present disclosure. Furthermore, among the components in the following embodiments, components that are not recited in independent claims are described as optional components.

[0012] (Embodiment) 1 is a block diagram showing the functional configuration of a component search system 10 according to an embodiment of the present invention. The functional configuration of the component search system 10 will be described with reference to FIG.

[0013] As shown in FIG. 1, the component search system 10 is a system for searching for components. For example, the component search system 10 is a system for searching for components that meet the requirements of a user such as a designer. For example, the components include semiconductors and electronic components. Specifically, the components include diodes, field effect transistors (FETs), multilayer ceramic capacitors (MLCCs), coils, and the like. The component search system 10 includes an acquisition unit 11, a calculation unit 12, a storage unit 13, a reception unit 14, an extraction unit 15, and an output unit 16. For example, the component search system 10 is realized by providing a processor, a memory, a communication module, and the like in a single housing. Alternatively, for example, the acquisition unit 11, the calculation unit 12, the storage unit 13, the reception unit 14, the extraction unit 15, and the output unit 16 may be distributed across multiple housings.

[0014] The acquisition unit 11 acquires characteristic information indicating the characteristics of the part. For example, the characteristic information includes a graph indicating the characteristics of the part and a characteristic value indicating the characteristics of the part. That is, for example, the acquisition unit 11 acquires a graph indicating the characteristics of the part and a characteristic value indicating the characteristics of the part.

[0015] For example, the acquiring unit 11 acquires characteristic information stored in each of the plurality of servers 30, 40, and 50 via the network 60. For example, each of the plurality of servers 30, 40, and 50 is a server of a manufacturer that manufactures and / or sells parts. For example, the server 30 is a server of company A, the server 40 is a server of company B, and the server 50 is a server of company C. By acquiring the plurality of pieces of characteristic information via the network 60, the acquiring unit 11 can acquire characteristic information of various types of parts.

[0016] For example, the acquiring unit 11 acquires a graph stored in an image format. Specifically, for example, the acquiring unit 11 acquires a graph stored in a JPEG format, a graph stored in a GIF format, a graph stored in a PNG format, and the like.

[0017] For example, if there is CSV data in CSV format associated with a graph showing the characteristics of a part, the acquiring unit 11 further acquires the CSV data. For example, the CSV data includes values ​​that quantify the characteristics shown in the graph. In other words, for example, the graph is created based on the values ​​included in the CSV data. For example, the acquiring unit 11 further acquires such CSV data.

[0018] For example, the acquisition unit 11 acquires the characteristic information stored in each of the multiple servers 30, 40, and 50 by crawling via the network 60. Also, for example, the acquisition unit 11 acquires the characteristic information stored in the cloud after crawling from each of the multiple servers 30, 40, and 50 by a web crawler or the like.

[0019] The calculation unit 12 digitizes the characteristics shown in the graph acquired by the acquisition unit 11 and calculates a characteristic value indicating the characteristics of the part. In other words, the characteristic value is a value obtained by digitizing the characteristics shown in the graph indicating the characteristics of the part. For example, when the acquisition unit 11 acquires a graph stored in image format, the calculation unit 12 digitizes the characteristics shown in the graph stored in image format and calculates a characteristic value indicating the characteristics of the part. Also, for example, when the acquisition unit 11 acquires a graph together with CSV data linked to the graph, the calculation unit 12 refers to the CSV data and digitizes the characteristics shown in the graph to calculate a characteristic value indicating the characteristics of the part. The calculation of the characteristic value by the calculation unit 12 will be described later.

[0020] The storage unit 13 stores characteristic values ​​indicating the characteristics of the parts. For example, when the acquisition unit 11 acquires a graph indicating the characteristics of the parts, the calculation unit 12 digitizes the characteristics shown in the graph to calculate characteristic values ​​indicating the characteristics of the parts, and the storage unit 13 stores the characteristic values ​​calculated by the calculation unit 12. Furthermore, when the acquisition unit 11 acquires characteristic values ​​indicating the characteristics of the parts, the storage unit 13 stores the characteristic values ​​acquired by the acquisition unit 11.

[0021] The receiving unit 14 receives extraction conditions for extracting parts. For example, the receiving unit 14 is communicably connected to the user terminal 20, and receives extraction conditions set using the user terminal 20.

[0022] The user terminal 20 has an input device 21 and an output device 22. The input device 21 is a device for the user to set extraction conditions, etc. The output device 22 is a device for displaying information output by the output unit 16, etc. For example, the user sets extraction conditions using the input device 21, and the input device 21 transmits the extraction conditions set by the user to the reception unit 14. The reception unit 14 receives the extraction conditions transmitted from the input device 21, thereby accepting the extraction conditions. For example, the user terminal 20 is a personal computer, the input device 21 is a keyboard, and the output device 22 is a display.

[0023] The extraction unit 15 refers to the characteristic values ​​stored in the storage unit 13 and extracts components that satisfy the extraction conditions accepted by the acceptance unit 14. For example, the extraction unit 15 extracts components having characteristic values ​​that satisfy the extraction conditions accepted by the acceptance unit 14 from among the multiple characteristic values ​​stored in the storage unit 13.

[0024] The output unit 16 outputs part information about the parts extracted by the extraction unit 15. That is, the output unit 16 outputs part information about parts that satisfy the extraction conditions received by the reception unit 14. For example, the part information includes the characteristic values, part part numbers, part types, and part specifications of the parts. For example, the acquisition unit 11 acquires the part number, etc. of the part when acquiring the characteristic information of the part, and the storage unit 13 stores the part number, etc. of the part in association with the characteristic information of the part. For example, when a part is extracted by the extraction unit 15, the output unit 16 acquires the part information about the part from the storage unit 13 and outputs it. For example, the output unit 16 outputs the part information by transmitting the part information to the output device 22.

[0025] The functional configuration of the parts search system 10 according to the embodiment has been described above.

[0026] Fig. 2 is a flowchart showing an example of the operation when the component search system 10 of Fig. 1 calculates a characteristic value. Fig. 3 is a diagram showing a graph acquired by the component search system 10 of Fig. 1. An example of the operation when the component search system 10 calculates a characteristic value will be described with reference to Figs. 2 and 3.

[0027] 2, the acquisition unit 11 acquires a graph showing the characteristics of a part (acquisition step) (step S1). As described above, for example, the acquisition unit 11 acquires, via the network 60, the graphs that are stored in each of the multiple servers 30, 40, and 50 and that show the characteristics of the parts.

[0028] When the acquisition unit 11 acquires a graph showing the characteristics of the part, the calculation unit 12 digitizes the characteristics shown in the graph and calculates a characteristic value showing the characteristic of the part (calculation step) (step S2). That is, for example, the characteristic value calculated by the calculation unit 12 is a value obtained by digitizing the graph acquired by the acquisition unit 11.

[0029] For example, when the acquiring unit 11 acquires a graph as shown in Fig. 3, the calculating unit 12 digitizes the characteristics shown in the graph and calculates the characteristic values ​​of the component. The graph shown in Fig. 3 is a graph showing the characteristics of a certain component related to the DC bias.

[0030] For example, the calculation unit 12 recognizes the horizontal axis label, horizontal axis unit, horizontal axis numerical value, vertical axis label, vertical axis unit, vertical axis numerical value, and the shape of the curve indicating the characteristics. For example, if the graph shown in FIG. 3 is a graph stored in image format, the calculation unit 12 recognizes the horizontal axis label, horizontal axis unit, horizontal axis numerical value, vertical axis label, vertical axis unit, vertical axis numerical value, and the shape of the curve indicating the characteristics by image analysis or the like. Then, since the vertical axis is positioned at 0% when the horizontal axis is 0 volts in the curve, the calculation unit 12 calculates the capacitance decay rate when 0 volts is applied to the component related to the graph in FIG. 3 as 0%. Similarly, calculation unit 12 calculates the capacitance decay rate of the component when 1 volt is applied as −10%, the capacitance decay rate of the component when 2 volts is applied as −38%, the capacitance decay rate of the component when 3 volts is applied as −52%, the capacitance decay rate of the component when 4 volts is applied as −63%, and the capacitance decay rate of the component when 5 volts is applied as −68%. In this way, calculation unit 12 digitizes the characteristics shown in the graph shown in FIG. 3 and calculates characteristic values ​​that indicate the characteristics of the component.

[0031] For example, when the acquiring unit 11 acquires the graph shown in FIG. 3 together with CSV data linked to the graph, the calculating unit 12 calculates the characteristic values ​​by referring to the CSV data. Specifically, for example, the CSV data includes numerical values ​​indicating the characteristics shown in the graph. For example, the CSV data includes a numerical value indicating the capacitance decay rate of the component related to the graph in FIG. 3 when 0 volts are applied, a numerical value indicating the capacitance decay rate when 1 volt is applied, a numerical value indicating the capacitance decay rate when 2 volts are applied, a numerical value indicating the capacitance decay rate when 3 volts are applied, a numerical value indicating the capacitance decay rate when 4 volts are applied, and a numerical value indicating the capacitance decay rate when 5 volts are applied. In this case, for example, the calculating unit 12 uses these numerical values ​​as characteristic values ​​to digitize the characteristics shown in the graph shown in FIG. 3 and calculates a characteristic value indicating the characteristics of the component.

[0032] When the calculation unit 12 calculates the characteristic value, the storage unit 13 stores the characteristic value calculated by the calculation unit 12 (storage step) (step S3). For example, the storage unit 13 stores the calculated characteristic value every time the calculation unit 12 calculates the characteristic value. Furthermore, for example, the storage unit 13 stores the characteristic value calculated by the calculation unit 12 in association with the type of part, etc., related to the characteristic value.

[0033] An example of the operation of the component search system 10 when calculating characteristic values ​​has been described above.

[0034] Fig. 4 is a flowchart showing an example of the operation when the component search system 10 of Fig. 1 extracts components. Fig. 5 is a diagram showing an example of an extraction condition setting screen. Fig. 6 is a diagram showing an example of extraction conditions. An example of the operation when the component search system 10 extracts components will be described with reference to Figs. 4 to 6.

[0035] As shown in FIG. 4, the receiving unit 14 receives extraction conditions for extracting parts (receiving step) (step S11). For example, the receiving unit 14 receives the extraction conditions via the user terminal 20. As shown in FIG. 5, the extraction conditions include, for example, a condition related to the type of part, a condition related to the business division, a condition related to the size, a condition related to the application, a condition related to the DC bias, and a condition related to the E3 step. For example, if a part number is entered, a check mark is placed in the "same" box for size, and a search button is clicked, parts other than those of the same size as the part associated with the part number (hereinafter also referred to as the original part) will not be extracted. For example, a screen such as that shown in FIG. 5 is displayed on the output device 22, and the user sets the extraction conditions using the input device 21. The receiving unit 14 receives the extraction conditions set using the input device 21.

[0036] When the receiving unit 14 receives the extraction conditions, the extracting unit 15 extracts parts that satisfy the extraction conditions (extraction step) (step S12). For example, as shown in Fig. 6, the extraction conditions include fixed conditions and optional conditions, and the extracting unit 15 extracts parts that satisfy both the fixed conditions and the optional conditions. Note that, for example, the extraction conditions may include only one of the fixed conditions and the optional conditions.

[0037] The fixed conditions are preset conditions. The fixed conditions include a condition related to the rated voltage and a condition related to the temperature characteristics. For example, the extraction unit 15 extracts a component having a rated voltage that matches the rated voltage of the original component as a component that satisfies the condition related to the rated voltage. Furthermore, for example, the extraction unit 15 extracts a component that belongs to the same group as the group to which the original component belongs as a component that satisfies the condition related to the temperature characteristics.

[0038] The optional conditions are conditions that are arbitrarily set by the user, and include a condition regarding size, a condition regarding application, a condition regarding DC bias, and a condition regarding the E3 step.

[0039] For example, if the size condition "same" is checked and a search is performed, the extraction unit 15 extracts parts whose size matches the size of the original part as parts that satisfy the size condition. Also, for example, if the size condition "includes small" is checked and a search is performed, the extraction unit 15 extracts parts whose size matches the size of the original part and parts whose size is smaller than the size of the original part as parts that satisfy the size condition.

[0040] For example, if a search is performed without checking "Consider" for the usage condition, the extraction unit 15 does not consider the usage condition. Also, if a search is performed with "Consider" for the usage condition checked, the extraction unit 15 extracts parts with usages that match the usage of the original part and parts with usages that are higher than the usage of the original part as parts that satisfy the usage condition. For example, if the usage of the original part is general use, parts that satisfy the usage condition are infotainment parts, powertrain parts, etc.

[0041] For example, if a search is performed without checking "consider" for the condition regarding DC bias, extraction unit 15 does not consider the condition regarding DC bias. Also, if a search is performed with "consider" for the condition regarding DC bias checked, extraction unit 15 extracts, as components that satisfy the condition regarding DC bias, components whose capacitance is -10% or more when the rated voltage of the original component is 50% or less, or components whose capacitance is -10% or more when the rated voltage of the original component is 75% or less.

[0042] Figure 7 shows the capacitance values ​​of capacitors as defined by the JIS standard. The JIS standard defines the capacitance values ​​of capacitors in numerical steps (E steps) as shown in Figure 7. In order to consolidate into standard steps, it is recommended that the capacitance of components be a value that belongs to the E3 step.

[0043] For example, if a search is performed without checking the "Unify" condition for the E3 step, the extraction unit 15 does not consider the condition for the E3 step. Also, if a search is performed with the "Unify" condition for the E3 step checked, the extraction unit 15 extracts parts that satisfy the condition for the E3 step.

[0044] A component that meets the conditions for the E3 step is a component with the same capacitance as the original component if there is one among the E3 step capacitances that matches it. If there is no component with a capacitance that matches the E3 step capacitance, it is a component with the nearest higher capacitance that belongs to the E3 step. Specifically, if the capacitance of the original component is 3.3 pF, which belongs to the E6 step, it is a component with a capacitance of 4.7 pF that belongs to the E3 step. If the capacitance of the original component is 1.2 pF, which belongs to the E12 step, it is a component with a capacitance of 2.2 pF that belongs to the E3 step. If the capacitance of the original component is 1.1 pF, which belongs to the E24 step, it is a component with a capacitance of 2.2 pF that belongs to the E3 step.

[0045] For example, the extraction conditions may include a condition related to the inductance value.

[0046] 4, when the extraction unit 15 extracts a part, the output unit 16 outputs part information about the extracted part (output step) (step S13). For example, the output unit 16 transmits the part information to the output device 22, and the information is displayed on the output device 22.

[0047] An example of the operation of the component search system 10 when extracting components has been described above.

[0048] The component search system 10 has been described above.

[0049] A parts search system 10 according to an embodiment includes an acquisition unit 11 that acquires a graph showing the characteristics of parts, a calculation unit 12 that quantifies the characteristics shown in the graph acquired by the acquisition unit 11 and calculates characteristic values ​​that indicate the characteristics of the parts, a memory unit 13 that stores the characteristic values ​​calculated by the calculation unit 12, a reception unit 14 that receives extraction conditions for extracting parts, an extraction unit 15 that refers to the characteristic values ​​stored in the memory unit 13 and extracts parts that satisfy the extraction conditions received by the reception unit 14, and an output unit 16 that outputs part information about the parts extracted by the extraction unit 15.

[0050] This allows the characteristics shown in the graph to be quantified to calculate characteristic values ​​that indicate the characteristics of the parts, and parts that satisfy the extraction conditions can be extracted by referring to the characteristic values. In this way, the characteristics shown in the graph that indicates the characteristics of parts can be quantified, making it easy to extract parts.

[0051] In the parts search system 10 according to the embodiment, the acquisition unit 11 acquires a graph stored in an image format.

[0052] This allows the characteristics shown in the graph to be quantified even if the graph is stored in image format, making it easier to extract components.

[0053] Furthermore, in the parts search system 10 according to the embodiment, the acquisition unit 11 further acquires CSV data in CSV format linked to the graph, and the calculation unit 12 calculates the characteristic value by referring to the CSV data.

[0054] This allows the characteristic values ​​to be easily calculated by referencing the CSV data, making it even easier to extract parts.

[0055] (Other embodiments, etc.) While the component search system according to one or more aspects of the present disclosure has been described above based on the embodiments, the present disclosure is not limited to these embodiments. As long as they do not deviate from the spirit of the present disclosure, various modifications conceivable by those skilled in the art to the present embodiments and configurations constructed by combining components of different embodiments may also be included within the scope of one or more aspects of the present disclosure.

[0056] In the above-described embodiment, the component search system 10 includes the acquisition unit 11, the calculation unit 12, the storage unit 13, the reception unit 14, the extraction unit 15, and the output unit 16. However, the present invention is not limited to this. For example, the component search system 10 may include the reception unit 14, the extraction unit 15, and the output unit 16, rather than the acquisition unit 11, the calculation unit 12, and the storage unit 13. In this case, for example, a device or the like different from the component search system 10 includes the acquisition unit 11, the calculation unit 12, and the storage unit 13, and the component search system 10 acquires characteristic values ​​and extracts components that satisfy the characteristic values ​​by communicating with the device or the like.

[0057] Furthermore, the general or specific aspects of the present disclosure may be realized as a system, an apparatus, a method, an integrated circuit, a computer program, or a computer-readable recording medium such as a CD-ROM, or may be realized as any combination of a system, an apparatus, a method, an integrated circuit, a computer program, and a recording medium.

[0058] For example, the present disclosure may be realized as the component search system according to the above-described embodiment. The present disclosure may also be realized as a component search method. The present disclosure may also be realized as a program for causing a computer to execute the component search method, or as a computer-readable non-transitory recording medium on which such a program is recorded. [Industrial Applicability]

[0059] The present disclosure can be used in a parts search system for searching for parts. [Explanation of symbols]

[0060] 10 Parts Search System 11 Acquisition Department 12 Calculation section 13 Storage section 14 Reception Department 15 Extraction part 16 Output section 20 User terminal 21 Input Devices 22 Output Devices 30, 40, 50 servers 60 Network

Claims

1. an acquisition unit that acquires a graph showing the characteristics of the part; a calculation unit that digitizes the characteristics shown in the graph acquired by the acquisition unit and calculates a characteristic value that indicates the characteristic of the part; a storage unit that stores the characteristic value calculated by the calculation unit; a receiving unit that receives extraction conditions for extracting parts; an extraction unit that references the characteristic values ​​stored in the storage unit and extracts parts that satisfy the extraction conditions received by the reception unit; an output unit that outputs part information related to the parts extracted by the extraction unit, The extraction conditions include a part number of the part to be extracted and a setting regarding identity with an original part that is a part associated in advance as a part related to the part number, The extraction conditions include fixed conditions, which are conditions set in advance, and arbitrary conditions, which are conditions set arbitrarily by the user, and both the fixed conditions and the arbitrary conditions include settings regarding identity with the original part. Parts search system.

2. The extraction conditions under which the extraction unit refers to the characteristic values ​​and extracts parts are included in the optional conditions. The parts search system according to claim 1 .

3. An acquisition unit that acquires a graph showing the characteristics of a part; a calculation unit that digitizes the characteristics shown in the graph acquired by the acquisition unit and calculates a characteristic value that indicates the characteristic of the part; a storage unit that stores the characteristic value calculated by the calculation unit; a receiving unit that receives extraction conditions for extracting parts; an extraction unit that references the characteristic values ​​stored in the storage unit and extracts parts that satisfy the extraction conditions received by the reception unit; an output unit that outputs part information related to the parts extracted by the extraction unit, The extraction conditions include a part number of the part to be extracted and a setting regarding identity with an original part that is a part associated in advance as a part related to the part number, The settings regarding identity include being identical to the original part under predetermined extraction conditions, and being identical to the original part within a certain range under the predetermined extraction conditions. Parts search system.

4. a receiving unit that receives extraction conditions for extracting parts; an extraction unit that references characteristic values ​​stored in a storage unit that stores characteristic values ​​indicating characteristics of parts, and extracts parts that satisfy the extraction conditions accepted by the acceptance unit; an output unit that outputs part information related to the parts extracted by the extraction unit, the characteristic value is a numerical value of a characteristic shown in a graph showing the characteristic of the part, The extraction conditions include a part number of the part to be extracted and a setting regarding identity with an original part that is a part associated in advance as a part related to the part number, The extraction conditions include fixed conditions, which are conditions set in advance, and arbitrary conditions, which are conditions set arbitrarily by the user, and both the fixed conditions and the arbitrary conditions include settings regarding identity with the original part. Parts search system.

5. A computer-implemented parts search method, comprising: an acquisition step of acquiring a graph showing the characteristics of the part; a calculation step of converting the characteristics shown in the graph acquired in the acquisition step into numerical values ​​and calculating characteristic values ​​indicating the characteristics of the part; a storage step of storing the characteristic value calculated in the calculation step in a storage unit; a receiving step of receiving extraction conditions for extracting parts; an extraction step of referring to the characteristic values ​​stored in the storage unit and extracting parts that satisfy the extraction conditions received in the receiving step; an output step of outputting part information relating to the part extracted in the extraction step, The extraction conditions include a part number of the part to be extracted and a setting regarding identity with an original part that is a part associated in advance as a part related to the part number, The extraction conditions include fixed conditions, which are conditions set in advance, and arbitrary conditions, which are conditions set arbitrarily by the user, and both the fixed conditions and the arbitrary conditions include settings regarding identity with the original part. How to search for parts.

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