KR20070038486A - Examination apparatus printed circuit board - Google Patents

Abstract

The present invention relates to an apparatus for inspecting a printed circuit board, comprising a jig circuit board for mounting a printed circuit board on which a mounting groove corresponding to the printed circuit board is formed, and electrically connected to each printed circuit printed on the printed circuit board. The purpose is to facilitate the electrical connection with the test pin of the inspection apparatus by printing the jig circuit to extend the gap of the jig circuit at the outer end. The printed circuit board inspection apparatus of the present invention configured for this purpose is to press the printed circuit board on the mounting groove of the jig circuit board for mounting the printed circuit board through the printed circuit board pressing means to mount the printed circuit board and the printed circuit board of the printed circuit board. The jig circuit board of the jig circuit board is electrically connected to each other, and the electrical contact of the jig circuit board and the electrical contact of the printed circuit board are electrically connected to each other so that the jig circuit board mounting jig circuit board is electrically connected. The circuit condition of the printed circuit board may be inspected by a tester electrically connected to each of the connecting rods and the electrical contact of the jig circuit board.

Printed Circuit Board, Inspection Device, Inspection Pin, IC Module

Description

Printed Circuit Board Inspection Equipment {Examination apparatus Printed Circuit Board}

1 is a perspective view showing a printed circuit board mounting jig circuit board of the printed circuit board inspection apparatus according to the present invention.

Figure 2 is a plan view showing a printed circuit board mounting jig circuit board of the printed circuit board inspection apparatus according to the present invention.

3 is a cross-sectional view taken along the line “A-A” of FIG. 2.

Figure 4 is a cross-sectional view showing a printed circuit board inspection apparatus according to the present invention.

Figure 5a is a cross-sectional view showing a test ready state of the printed circuit board through the printed circuit board inspection apparatus according to the present invention.

Figure 5b is a cross-sectional view showing a test state of the printed circuit board through the printed circuit board inspection apparatus according to the present invention.

[Description of Symbols for Main Parts of Drawing]

100. Inspection device

110. Electrical Contact Jig Circuit Board

112. Electrical connection

114. Jig Circuits

120. Jig Circuit Board for Mounting Printed Circuit Board

122. Mounting groove

124. Jig Circuits

130. Electrical connection rod

140. Pressurized means for printed circuit board

142. Cylinder

144. Pressure Plate

146. Elastic Pad

150. Incision

The present invention relates to an apparatus for inspecting a printed circuit board, and more particularly, to a jig circuit board having a mounting groove corresponding to the printed circuit board, and to a jig electrically connected to each of the printed circuit boards printed on the printed circuit board. The present invention relates to a printed circuit board inspection apparatus which facilitates electrical connection with an inspection pin of an inspection apparatus by printing a circuit and extending a jig circuit interval at an outer end thereof.

In general, in the printed circuit board (PCB board), the mounting of various components and the configuration of appropriate circuits are directly related to the reliability of the product. Therefore, the traces and traces are completed after the mounting of the printed circuit board is completed. In order to check whether there are shorts between the junction points, various apparatuses for checking the state of the circuit by contacting the test pins with the element elements of the printed circuit board are used.

In the printed circuit board as described above, the correct mounting of various components and the formation of appropriate circuits are directly related to the reliability of the product. The process is necessarily performed. Several kinds of inspection equipments are used for this inspection process, and the inspection pins connected to the tester are electrically contacted with the corresponding inspection points of the printed circuit board to detect the flow of electric current. will be.

On the other hand, integrated circuits (ICs), which can be somewhat complex and standardized according to the development of electronic technology, are mostly modular. This modularization simplifies the overall circuit configuration of the printed circuit board. Of course, IC modules have different patterns of integrated circuits formed inside, but mass-produced IC modules of the same type have the same internal circuit pattern. The arrangement of the pins is the same. This means that the IC module inspection device can be manufactured and applied to check whether the IC module itself is mounted as well as whether the IC module is mounted on the printed circuit board.

As described above, the printed circuit of the printed circuit board is very integrated, and in order to inspect the integrated printed circuit board, a large number of inspection pins must be installed. The conventional printed circuit board inspection mechanism is an IC module as described above. Since a dedicated inspection mechanism is not applied, there is a problem in that a test pin for inspecting a circuit of an IC module has to be reconfigured into the same pattern when an IC module of the same type is installed in another printed circuit board. Therefore, the efficiency of the printed circuit board inspection is reduced, and in particular, the time required for setting up the inspection mechanism becomes very long.

In addition, since the printed circuit board as described above has a very integrated printed circuit as described above, since the arrangement intervals of the test pins electrically contacting the test points of the printed circuit are very narrow, There is a problem that an electrical short occurs.

In addition, the printed circuit board as described above, because the printed circuit printed as described above is very integrated, the thickness of the test pin is also very thin, there is a problem that a lot of damage to the test pin occurs a lot of time and effort in maintenance and There is a cost problem.

Invented to solve the problems of the prior art as described above of the present invention, the printed circuit board mounting jig circuit board formed with a mounting groove corresponding to the printed circuit board while forming a printed circuit printed on the printed circuit board It is an object of the present invention to provide a printed circuit board inspection apparatus which facilitates electrical connection with an inspection pin of an inspection apparatus by printing a jig circuit electrically connected correspondingly to each other to extend a jig circuit interval at an outer end thereof.

In addition, the technology according to the present invention constitutes a jig circuit board for mounting a printed circuit board with a mounting groove corresponding to the printed circuit board while printing a jig circuit electrically connected to each of the printed circuits printed on the printed circuit board. By extending the interval of the jig circuit of the outer end to prevent electrical shorts due to the contact between the test pins during the inspection to ensure a reliable inspection can be made.

The present invention configured to achieve the above object is as follows. That is, the printed circuit board inspection apparatus according to the present invention is provided with a test pin that is inserted into each of the pin mounting holes formed through the support plate up and down to contact or release the test point of the printed circuit board through the contact at the top In the printed circuit board inspection apparatus, an electrical contact point and an electrical contact point are installed on an upper portion of the support plate and electrically connected to the printed circuit board of the printed circuit board and electrically connected to an electrical contact point exposed to the lower side. An electrical contact jig circuit board having a jig circuit formed to be radially printed and electrically connected to the test pins; Mounting grooves corresponding to the printed circuit board are formed to be installed on the upper side of the support plate, but jig circuits which are electrically connected to each of the printed circuits of the printed circuit board are printed to the radially outer end from the end of the mounting groove to the outer end. A jig circuit board for mounting a printed circuit board having an extended jig circuit space therebetween; Electrical connection rods which are electrically connected to each of the outer ends of the jig circuit boards of the printed circuit board mounting jig circuit board to protrude to the upper side of the jig circuit board for mounting the printed circuit board, and are electrically connected to external testers through the wire cable. ; And pressurizing the printed circuit board mounted on the mounting groove of the jig circuit board for mounting the printed circuit board downward so that the electrical contact of the printed circuit board and the electrical contact of the jig circuit board are electrically connected. It consists of a configuration including a printed circuit board pressing means for forcing the mounting of the printed circuit board on the mounting groove of the mounting jig circuit board.

On the other hand, in the configuration of the present invention as described above, the printed circuit board pressurizing means is a cylinder including a piston which is configured at a predetermined height of the upper side of the jig circuit board for mounting a printed circuit board and operates up and down; A pressure plate configured at a lower end of a piston of the cylinder to press and mount the printed circuit board on the mounting groove of the jig circuit board for mounting the printed circuit board; And an elastic pad attached to the lower surface of the pressure plate to press-mount the printed circuit board onto the mounting groove of the jig circuit board for mounting the printed circuit board through the elastic force.

In addition, the technology according to the present invention is cut in a predetermined length in a diagonal direction from each of the corners of the mounting groove formed in the jig circuit board for mounting a printed circuit board to press-mount the printed circuit board on the mounting groove of the jig circuit board for mounting a printed circuit board. When cutting the printed circuit board mounting jig circuit board may be configured to be elastic.

Hereinafter, a printed circuit board inspection apparatus according to a preferred embodiment of the present invention will be described in detail.

1 is a perspective configuration diagram showing a printed circuit board mounting jig circuit board of the printed circuit board inspection apparatus according to the present invention, Figure 2 is a jig circuit board for mounting a printed circuit board of the printed circuit board inspection apparatus according to the present invention. 3 is a cross-sectional view showing the "AA" line in Figure 2, Figure 4 is a cross-sectional view showing a printed circuit board inspection apparatus according to the present invention, Figure 5a is a printed circuit through a printed circuit board inspection apparatus according to the present invention 5B is a cross-sectional view illustrating a test state of a printed circuit board through a printed circuit board test apparatus according to the present invention.

1 to 5, the printed circuit board inspection apparatus 100 according to the present invention is the electrical contact jig circuit board 110, the electrical contact contact 112 is formed, the printing groove 122 is formed in the center The printed circuit board mounting jig circuit board 120 for mounting the printed circuit board, the electrical connection rod 130 and the printed circuit board 10 electrically connected to the jig circuit 124 of the jig circuit board 120 for mounting the printed circuit board. It consists of a configuration of the printed circuit board pressing means 140 for pressing and mounting on the mounting groove 122 of the jig circuit board 120.

Printed circuit board inspection apparatus 100 according to the present invention configured as described above is a mounting groove of the jig circuit board 120 for mounting the printed circuit board 10 to the printed circuit board through the printed circuit board pressing means 140. While pressing on the 122, the printed circuit 12 of the printed circuit board 10 and the jig circuit 124 of the jig circuit board 120 for mounting the printed circuit board 120 are electrically connected to each other. Electrical connection rod 130 of the jig circuit board 120 for mounting a printed circuit board 120 by electrically connecting the electrical contact 112 of the jig circuit board 110 and the electrical contact 14 of the printed circuit board 10. The circuit state of the printed circuit board 10 may be inspected by the tester 104 electrically connected to each of the electrical contact 112 of the electrical contact jig circuit board 110.

Referring to the printed circuit board inspection apparatus 100 according to the present invention in more detail as follows. First, the electrical contact jig circuit board 110 is electrically connected to the printed circuit 12 of the printed circuit board 10, and the test pin 108 is electrically connected to the electrical contact 14 formed under the exposed electrical contact 14. The electrical contact jig circuit board 110 is to be made to the electrical connection with the, as shown in Figures 4 and 5 is installed on the upper portion of the support plate 102, but the printed circuit board 10 A jig circuit formed in a radially printed manner by being electrically connected to an electrical contact 112 and an electrical contact 112 that are electrically connected to an electrical contact 14 exposed to a lower portion of the printed circuit 12. 114).

The electrical contact 112 of the electrical contact jig circuit board 110 configured as described above is located on the upper surface of the electrical contact jig circuit board 110, which is a position corresponding to the electrical contact 14 of the printed circuit board 10. Exposure is formed. In this case, the electrical contact 112 of the electrical contact jig circuit board 110 is electrically connected to one end of the jig circuit 114 formed on the electrical contact jig circuit board 110.

On the other hand, as described above, the other end of the jig circuit 114 electrically connected to the electrical contact point 112 of the electrical contact jig circuit board 110 and printed on the electrical contact jig circuit board 110 is formed. The ends of the test pins 108 electrically connected to the tester 104 and the wire cable 106 are exposed to the lower portion of the electrical contact jig circuit board 110 to be in electrical contact.

The printed circuit board mounting jig circuit board 120 is for mounting the printed circuit board 10 so as to extend the gap between the printed circuits 12 formed on the printed circuit board 10. The jig circuit board 120 is printed radially outward from the end of the mounting groove 122 and the mounting groove 122 formed on the center corresponding to the printed circuit board 10 as shown in FIGS. The jig circuit 124 is formed. At this time, since the jig circuit 124 is formed to be printed from the end of the mounting groove 122 to the radial outer end, the interval between the outer ends of the jig circuit 124 is expanded compared to the end of the mounting groove 122. .

Therefore, the printed circuit board mounting jig circuit board 120 according to the present invention mounts the printed circuit board 10 through the mounting groove 122 to the printed circuit 12 and the printed circuit board of the printed circuit board 10. The gap between the outer ends of the jig circuit 124 printed on the printed circuit board mounting jig circuit board 120 is extended while the jig circuit 124 of the mounting jig circuit board 120 is electrically connected. It is to facilitate the electrical contact with the test pin (108) and the test pin (108) electrically connected.

In other words, the technology according to the present invention allows the gap between the jig circuits 124 at the outer ends of the printed circuit boards to be extended through the configuration of the jig circuit boards 120 for mounting the printed circuit boards. The electrical connection of the jig circuit 124 of the printed circuit 12 and the jig circuit board 120 for mounting a printed circuit board is made easier.

On the other hand, the printed circuit board mounting jig circuit board 120 configured as described above is formed with a cut line 150 cut in a predetermined length in a diagonal direction from each of the corners of the mounting groove 122. The cut line 150 is a mounting groove of the jig circuit board 120 for mounting a printed circuit board when pressing the printed circuit board 10 on the mounting groove 122 of the jig circuit board 120 for mounting a printed circuit board. (122) To make the end elastic.

That is, the printed circuit board 10 is mounted when the printed circuit board 10 is mounted on the mounting groove 122 of the jig circuit board 120 for mounting the printed circuit board through pressurization by the printed circuit board pressing means 140 which will be described later. ) And the end of the mounting groove 122 of the jig circuit board 120 for mounting a printed circuit board are elastic by the force applied when the end of the mounting groove 122 of the jig circuit board 120 for mounting a printed circuit board is elastic. Be sure to

In other words, since a predetermined length of cut line 150 is cut in a diagonal direction from each of the corners of the mounting groove 122 of the jig circuit board 120 for mounting a printed circuit board, an end portion of the printed circuit board 10 and the printed circuit board are formed. When the end of the mounting groove 122 of the mounting jig circuit board 120 is caught, the mounting groove 122 of the jig circuit board 120 for mounting the printed circuit board is eventually formed by the continuous pressurization of the printed circuit board pressing means 140. While the end portion is elastically downward, a certain amount of play occurs on the mounting groove 122. When the end of the mounting groove 122 of the jig circuit board 120 for mounting a printed circuit board is elastically downward, and a certain amount of play occurs on the mounting groove 122, the printed circuit board 10 is mounted on the mounting groove 122. Mounting is made on).

Electrical connection rod 130 is for connecting the electric wire cable 106 and the printed circuit board 12 of the printed circuit board 10 electrically connected to the external tester 104, the electrical connection rod 130 1 to 5 are electrically connected to each of the outer ends of the jig circuit 124 of the jig circuit board 120 for mounting a printed circuit board 120, the upper part of the jig circuit board 120 for mounting a printed circuit board. It is formed to protrude a certain height to the side. The electrical connection rod 130 formed as described above is electrically connected to the wire cable 106 electrically connected to the external tester 104.

As described above, the wire cable 106 electrically connected to the external tester 104 protrudes toward the upper end of the jig circuit 124 of the jig circuit board 120 for mounting the printed circuit board. As a result of the electrical connection, as a result, the printed circuit 12 of the printed circuit board 10, the jig circuit 124 of the jig circuit board 120 for mounting the printed circuit board, the electrical connection bar wire cable 106 and the tester 104 ) Is electrically connected.

Therefore, the wire cable 106 of the printed circuit board inspection apparatus 100 according to the present invention is a medium for mounting a jig circuit board 120 for mounting a printed circuit board consisting of an electrical connection rod 130 and a jig circuit 124 as a medium. It can be said that it is electrically connected to the printed circuit 12 of the printed circuit board 10.

The printed circuit board pressing means 140 presses the printed circuit board 10 to forcibly mount it on the mounting groove 122 of the jig circuit board 120 for mounting the printed circuit board, thereby contacting the electrical contact of the printed circuit board 10. The printed circuit board 10 is mounted on the mounting groove 122 of the jig circuit board 120 for mounting the printed circuit board, while the electrical contact 112 of the electric contact jig circuit board 110 is electrically connected to the 14. ) Is to force the jig circuit 124 of the jig circuit board 120 for mounting a printed circuit board and the printed circuit 12 of the printed circuit board 10 to be electrically connected.

Looking at the configuration of the printed circuit board pressurizing means 140 having a function as described above, the cylinder including a piston 142a which is configured at a predetermined height on the upper side of the jig circuit board 120 for mounting a printed circuit board and operates up and down ( 142, a pressure plate 144 configured at a lower end of the piston 142a of the cylinder 142 to press and mount the printed circuit board 10 on the mounting groove 122 of the jig circuit board 120 for mounting a printed circuit board. And an elastic pad 146 attached to the lower surface of the pressure plate 144 to press-mount the printed circuit board 10 on the mounting groove 122 of the jig circuit board 120 for mounting the printed circuit board through an elastic force. do.

Meanwhile, when the printed circuit board 10 is pressed onto the mounting groove 122 of the jig circuit board 120 for mounting a printed circuit board through the printed circuit board pressing means 140 configured as described above, the printed circuit board ( 10 is the end of the printed circuit board 10 and the mounting groove of the jig circuit board 120 for mounting the printed circuit board (10) is pressed because it is pressed in contact with the elastic pad 146 configured at the bottom of the printed circuit board pressing means 140 ( 122) If the end is caught, damage or breakage of the printed circuit board 10 is prevented even with continued pressurization by the printed circuit board pressurizing step 140.

As described above, the printed circuit board inspection apparatus 100 according to the present invention is a jig electrically connected to the printed circuit 12 of the printed circuit board 10 through the configuration of the printed circuit board mounting jig circuit board 120. The printed circuit 12 of the printed circuit board 10 is formed by printing the circuit 124 while extending between the outer ends of the jig circuit 124 formed on the printed circuit board mounting jig circuit board 120. And electrical connection of the jig circuit 124 of the jig circuit board 120 for mounting a printed circuit board can be easily made.

The present invention is not limited to the above embodiments, and various modifications can be made within the scope of the technical idea of the present invention.

As described above, according to the present invention, a jig circuit board for mounting a jig circuit board for mounting a printed circuit board on which a mounting groove corresponding to the printed circuit board is formed and printed on the printed circuit board is electrically connected to each other. By extending the interval of the jig circuit of the outer end is an effect that can facilitate the electrical connection with the test pin of the inspection device.

In addition, the technology according to the present invention constitutes a jig circuit board for mounting a printed circuit board with a mounting groove corresponding to the printed circuit board while printing a jig circuit electrically connected to each of the printed circuits printed on the printed circuit board. By extending the interval of the jig circuit of the outer end to prevent the electrical short due to the contact between the test pins during the inspection can be made a reliable inspection.

Claims (3)

In the printed circuit board inspection apparatus provided with a test pin inserted into each of the pin mounting hole formed through the support plate up and down to contact or release the test point of the printed circuit board through the upper contact, Is installed in the upper portion of the support plate is electrically connected to the printed circuit of the printed circuit board is electrically connected to the electrical contact exposed to the lower and electrically connected to the electrical contact is formed radially printed An electrical contact jig circuit board on which a jig circuit electrically connected to the test pin is printed; Mounting grooves corresponding to the printed circuit board are formed to be installed in the upper portion of the support plate, but jig circuits are electrically connected to each of the printed circuits of the printed circuit board. A printed circuit board mounting jig circuit board having an outer end of which extends the jig circuit gap; Electrically connected to each of the outer end of the jig circuit board of the jig circuit board for mounting the printed circuit board protruding to a predetermined height to the upper side of the jig circuit board for mounting the printed circuit board electrically connected to an external tester through a wire cable Connecting rod; And Pressing the printed circuit board mounted on the mounting groove of the jig circuit board for mounting the printed circuit board downward to allow the electrical contact of the printed circuit board and the electrical contact of the electrical contact jig circuit board to be electrically connected. And a printed circuit board pressurizing means for forcing the mounting of the printed circuit board onto the mounting groove of the printed circuit board long wearing jig circuit board. According to claim 1, wherein the pressurizing means for the printed circuit board is a cylinder including a piston configured to be operated at a predetermined height of the upper side of the jig circuit board for mounting the printed circuit board; A pressurizing plate configured at a lower end of the piston of the cylinder to press and mount the printed circuit board on a mounting groove of the jig circuit board for mounting the printed circuit board; And Printed circuit board inspection apparatus, characterized in that made of an elastic pad attached to the lower surface of the pressure plate for pressing the printed circuit board on the mounting groove of the jig circuit board for mounting the printed circuit board through the elastic force. According to claim 1 or 2, wherein a predetermined length is cut in a diagonal direction from each of the corners of the mounting groove formed in the jig circuit board for mounting the printed circuit board printed on the mounting groove of the jig circuit board for mounting the printed circuit board. Printed circuit board inspection apparatus characterized in that the cut portion of the jig circuit board for mounting the printed circuit board is elastic when the circuit board is pressurized.

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