JPH0618590A - Electronic parts inspection system - Google Patents

Abstract

PURPOSE:To obtain an electronic parts inspection system which can prevent the occurrence of erroneous collation of electronic parts at the time of acceptance inspections. CONSTITUTION:A bar-code label recording the description, type, outside dimensions, and rated values of electric characteristics of electronic parts housed in a parts bag is stuck to the parts bag. At the time of performing acceptance inspections on the electronic parts, the bar-code reader 3 of an inspecting device reads the bar-code label on the bag and a main control section 4 compares the read outside dimensions and rated values of electric characteristics with the outside dimensions of the electronic parts measured by means of a shape measuring section 1 and electric characteristics of the parts measured by means of an electric characteristic measuring section 2. The compared results are displayed on a CRT 8 and, at the same time, printed by means of a printer 9. Therefore, the occurrence of erroneous collation of the electronic parts can be prevented at the time of acceptance inspections and the production of defective products can be prevented. In addition, the productive efficiency can be improved.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic component inspection system for checking electronic components during acceptance inspection.

[0002]

2. Description of the Related Art Conventionally, when electronic parts are purchased, the parts are inspected at the time of acceptance. The method is to order the part name and order on the label attached to the bag or case containing the parts. The name of the item on the slip is visually inspected by the inspector.

Each set manufacturer places an order using an in-house part name (part code) at the time of purchasing a part, and requests the parts manufacturer to attach an in-house part name (in-house part code) label. For this reason, at the parts manufacturer, when shipping, the worker inspects the correspondence between the parts names of the set manufacturer and the parts manufacturer with the parts name correspondence list, and affixes the label used by the set manufacturer to the bag containing the parts. ing.

[0004]

However, in recent years,
The miniaturization of components such as chip components is progressing, and it has become impossible to describe the component name on the component itself. For this reason, the label attached to the component bag may be different from the component type in the bag due to an operator's mistake. In this case, the mistake may not be noticed in the acceptance inspection, and the mistake in the component type may be noticed in the operation check after assembling as a product, which causes a decrease in production efficiency.

In view of the above problems, an object of the present invention is to provide an electronic component inspection system capable of preventing an electronic component collation error in an acceptance inspection.

[0006]

In order to achieve the above-mentioned object, the present invention uses a parts inspection device for measuring the outer dimensions and rated values of electronic parts according to claim 1, and inspects at the time of acceptance inspection of electronic parts. In an electronic component inspection system that performs a collation inspection of a target electronic component, a component identification code that represents component data such as an outer dimension and a rated value of the electronic component is attached to a packaging member that houses the electronic component, and the component inspection device is also provided. An identification code reading means for reading the component identification code, a comparing means for comparing the component identification data read by the identification code reading means with a measurement result, and an informing means for informing the comparison result of the comparing means. We propose the provided electronic parts inspection system.

According to a second aspect of the present invention, there is provided an electronic component inspection system for performing a collation inspection of an electronic component to be inspected at the time of acceptance inspection of the electronic component by using a component inspection device for measuring outer dimensions and rated values of the electronic component. , An identification code representing identification data corresponding to the type of the electronic component is attached to a packaging member that accommodates the electronic component, and the identification data of each electronic component and the external dimensions and rating of the electronic component are attached to the component inspection device. A storage unit that stores component information corresponding to component data such as a value, an identification code reading unit that reads the identification code, and component data that corresponds to the identification data read by the identification code reading unit. A data extracting means for extracting from the inside and a comparing hand for comparing the component data and the measurement result extracted by the data extracting means. If proposes an electronic component inspection system provided with an informing means for informing a comparison result of said comparing means.

[0008]

According to the first aspect of the present invention, the packing member for accommodating the electronic parts is provided with the parts identification code indicating the parts data such as the external dimensions and the rated value of the electronic parts. The component identification code is read by the identification code reading means of the component inspection device.
The component identification data read by the identification code reading unit is compared with the measurement result by the comparison unit of the component inspection apparatus, and the comparison result of the comparison unit is notified by the notification unit.

According to a second aspect of the present invention, an identification code representing identification data corresponding to the type of the electronic component is attached to the packing member that accommodates the electronic component. For example, at the time of acceptance inspection, the identification code is It is read by the identification code reading means. In addition, the storage means of the component inspection apparatus stores in advance component information in which the identification data of each electronic component is associated with the component data such as the outer dimensions and rated values of the electronic component, and is read by the identification code reading unit. The component data corresponding to the identified identification data is extracted from the component information by the data extracting means. Further, the component data extracted by the data extracting means is compared with the measurement result by the comparing means of the component inspecting device, and the comparing result of the comparing means is notified by the notifying means.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. In addition, in the present embodiment, a description will be given as an example of a collation inspection performed when a purchased electronic component is received. FIG. 1 is a block diagram showing an electronic component inspection device according to a first embodiment of the present invention. In the figure, 1 is a shape measuring unit, which is a main control unit 4.
The external dimensions of the electronic component to be inspected are measured on the basis of the control signal from and the result is output to the main control unit 4. Reference numeral 2 denotes an electric characteristic measuring unit, which is based on a control signal from the main control unit 4 and is an electric characteristic to be inspected. The inductance is measured and the measurement result is output to the main controller 4. A well-known bar code reader 3 reads a bar code and outputs this data to the main control unit 4.

The main control section 4 comprises a well-known CPU and the like,
Based on the program stored in the memory 5, drive control and arithmetic processing of each component are performed. Further, the main control unit 4 is connected to the memory 5, the keyboard 6, the confirmation sound generating unit 7 and the CRT 8 and the printer 9 via a bus BS including a data bus and an address bus.

The memory 5 is a ROM connected to the bus BS.
And a RAM backed up by a battery. The confirmation sound generation unit 7 is composed of a low-frequency oscillation circuit, a speaker, and the like, receives control data from the main control unit 4 via the bus BS, and generates a sound of a frequency based on this control data for a predetermined time.

On the other hand, as shown in FIG. 2, a bar code label 11a is attached to the component bag 11 containing the electronic component P to be inspected. The bar code label 11a describes the product name, type, external dimensions, and rated values of electrical characteristics of the contained electronic component P, and these are recorded by a bar code. The bar code label 11a has been handed to the parts manufacturer in advance when ordering the parts, and requested to be attached.

According to the above-described structure, when performing the collation inspection of the electronic component received from the component manufacturer, first, the electronic component is taken out from the component bag 11 containing the electronic component P to be inspected and set in the inspection device. . Then, the parts bag 11
When the barcode label 11a of 1 is read by the barcode reader 3, the external dimensions and electrical characteristics of the electronic component P are measured, the measurement result is compared with the rated value recorded on the barcode, and the comparison result is displayed on the CRT 8. It is displayed and printed by the printer 9. Furthermore, a buzzer sounds when the measured result and the rated value do not match.

Therefore, the inspector can easily recognize whether or not the received electronic parts are the same as the ordered ones, prevent the collation error, and prevent the production of defective products, thereby improving the production efficiency. Can be improved.

Next, the operation of the inspection device at the time of the above-mentioned inspection will be described in detail with reference to the processing flowchart shown in FIG. When the inspection device is driven, the main control unit 4 causes the CR
The message "Please read the barcode of the electronic component to be inspected." Is displayed on T8 (S1), and the component bag 11 is displayed.
It is determined whether or not the barcode of No. has been normally read (S2). If the result of this judgment is that the barcode was not read normally, the message "Could not read normally. Please read again." Is displayed on the CRT8 (S3) and a confirmation sound is generated. A buzzer sound is emitted from the unit 7 to instruct rereading (S4), and the process proceeds to S2.

When the bar code is normally read as a result of the determination in S2, the main control section 4 generates a click sound from the confirmation sound generating section 7 (S5), and the read bar code is displayed. The product name, type, external dimensions, and rated values of electrical characteristics of the electronic component P to be represented are stored in the memory 5 (S
6).

Next, the main control unit 4 displays a mounting instruction of the electronic component to be inspected on the CRT 8 (S7), and then drives the shape measuring unit 1 to measure the external dimensions of the electronic component P (S8). ), And stores this measurement result in the memory 5 (S9).
At the same time, the electrical characteristic measuring unit 2 is driven to measure the electrical characteristic of the electronic component P (S10), and the measurement result is stored in the memory 5
(S11). After this, these measurement results
It is determined whether or not it matches the rated value read from the bar code (S12), and if not, a buzzer sound is generated (S13). After that, the main control unit 4 displays the rated value read from the bar code and the measurement result on the CRT 8 (S14) and prints it via the printer 9 (S15). Next, the main control unit 4 determines whether or not to continue the inspection process based on the key input from the keyboard 6 (S16), and when the inspection process is to be continued, shifts to the process of S1.

Next, a second embodiment of the present invention will be described. FIG. 4 is a configuration diagram showing an electronic component inspection apparatus in the second embodiment. In the figure, the same components as those of the first embodiment described above are designated by the same reference numerals and the description thereof will be omitted. Further, the difference between the first embodiment and the second embodiment is that
The purpose is to provide the floppy disk interface unit 10 connected to the main control unit 4 so that the comparison and collation can be performed based on the component data stored in the floppy disk. That is, identification data such as the model number of the electronic component housed in the barcode label 11a of the component bag 11 is recorded, and a plurality of electronic components P are stored in the floppy disk.
Parts data such as the product name, type, external dimensions, and rated values of electrical characteristics are recorded in correspondence with the identification data.

According to the above-mentioned configuration, when performing the collation inspection of the electronic component received from the component manufacturer, first, the electronic component is taken out from the component bag 11 accommodating the electronic component P to be inspected and set in the inspection device. . Then, the parts bag 11
When the barcode label 11a of 1 is read by the barcode reader 3, the component data corresponding to the identification code represented by the read barcode is selected. Next, the external dimensions and electrical characteristics of the electronic component P are measured, the measurement result is compared with the rated value of the selected component data, and the comparison result is displayed on the CRT 8 and printed by the printer 9. . Furthermore, a buzzer sounds when the measured result and the rated value do not match.

Therefore, the inspector can easily recognize whether or not the received electronic parts are the same as the ordered ones, prevent collation errors, prevent defective products, and improve production efficiency. Can be improved.

Next, the operation of the inspection device during the above-described inspection will be described in detail with reference to the processing flowchart shown in FIG. When the inspection device is driven, the main control unit 4 causes the CR
Display the message "Please read the barcode of the electronic component to be inspected" on T8 (SP1), and then the component bag 1
It is determined whether or not the barcode 1 is normally read (SP2). If the result of this judgment is that the barcode was not read normally, the message "Could not read normally. Please read again." Is displayed on the CRT8 (SP3) and a confirmation sound is generated. A buzzer sound is emitted from the part 7 to instruct rereading (SP
4) The process shifts to the process of SP2.

If the bar code is normally read as a result of the determination in SP2, the main control section 4 causes the confirmation sound generation section 7 to generate a click sound (SP5), and the read bar code is displayed. It is judged whether or not the component data of the electronic component P represented is present in the data of the floppy disk (S
P6), when it does not exist, a message "Part data does not exist." Is displayed on the CRT 8 (SP7), a buzzer sound is generated (SP8), and the process proceeds to SP1. Also, when the component data exists, this component data is selectively extracted from the data in the floppy disk (SP9), and this component data, that is, the product name of the electronic component,
Memory 5 for type, external dimensions and rated values of electrical characteristics
(SP10).

Next, the main control section 4 displays a mounting instruction of the electronic component to be inspected on the CRT 8 (SP1).
1), the shape measuring unit 1 is driven to measure the outer dimensions of the electronic component P (SP12), the measurement result is stored in the memory 5 (SP13), and the electrical characteristic measuring unit 2 is driven to drive the electronic component P. The electrical characteristics of the are measured (SP14), and the measurement results are stored in the memory 5 (SP15). After that, it is determined whether or not these measurement results match the rated value read from the bar code (SP16), and if they do not match, a buzzer sound is generated (SP17). After that, the main control unit 4 displays the rated value read from the bar code and the measurement result on the CRT 8 (SP18) and prints it via the printer 9 (SP19). Next, the main control unit 4 determines whether or not to continue the inspection process based on the key input from the keyboard 6 (SP20), and when the inspection process is to be continued, shifts to the process of SP1.

[0025]

As described above, according to the first aspect of the present invention, the component identification data read by the identification code reading means is compared with the measurement result, and the comparison result is notified. It is possible to prevent collation errors of electronic components, prevent production of defective products, and improve production efficiency.

Further, according to claim 2, the component data corresponding to the identification data read by the identification code reading means is compared with the measurement result, and the comparison result is notified, so that the electronic component of the acceptance inspection is checked. This has an extremely excellent effect that it is possible to prevent a collation error, prevent defective products from being produced, and improve production efficiency.

[Brief description of drawings]

FIG. 1 is a configuration diagram showing an electronic component inspection device according to a first embodiment of the present invention.

FIG. 2 is a diagram showing a component bag according to an embodiment.

FIG. 3 is a process flowchart of the inspection device according to the first embodiment.

FIG. 4 is a configuration diagram showing an electronic component inspection device according to a second embodiment.

FIG. 5 is a processing flowchart of the inspection device according to the second embodiment.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Shape measuring part, 2 ... Electrical characteristic measuring part, 3 ... Bar code reader, 4 ... Main control part, 5 ... Memory, 8 ... CRT, 9 ...
Printer, 11 ... Parts bag, P ... Electronic parts.

Claims (2)

[Claims] 1. An electronic component inspection system that performs a collation inspection of an electronic component to be inspected at the time of acceptance inspection of the electronic component by using a component inspection device that measures the outer dimensions, rated values, etc. of the electronic component. An identification code reading unit that reads the component identification code and attaches a component identification code that represents the component data such as the external dimensions and rated value of the electronic component to the packaging member, and the identification code reading unit that reads the component identification code. An electronic component inspection system, comprising: a comparing means for comparing the read component identification data with the measurement result; and a notifying means for notifying the comparison result of the comparing means. 2. An electronic component inspection system that performs a collation inspection of an electronic component to be inspected at the time of acceptance inspection of the electronic component by using a component inspection device that measures the external dimensions, rated value, etc. of the electronic component. An identification code representing identification data corresponding to the type of the electronic component is attached to the packaging member, and the identification data of each electronic component and the component data such as the outer dimensions and the rated value of the electronic component are attached to the component inspection device. Storage means for storing the component information corresponding to, identification code reading means for reading the identification code, and data for extracting the component data corresponding to the identification data read by the identification code reading means from the component information. Extracting means, comparing means for comparing the component data extracted by the data extracting means with the measurement result, and the comparing means And an informing means for informing the result of comparison of the electronic component inspection system.