JP2001217048A - Connector and method of checking connection - Google Patents

Abstract

PROBLEM TO BE SOLVED: To eliminate insertion of a checking cable into the connecting pole terminal of a connector at the time of confirming the electrical connection between the mounted pole terminal and a mount pattern. SOLUTION: At the time of checking the electrical connection between the mounted pole terminal 2 and a mount pattern 7 by using a connector which has a connector mold 3, a connecting pole terminal 1 disposed inside the mold 3, a mounted pole terminal 2 which protrudes out the mold 3 and is connected electrically with the connecting pole terminal 1 and which can be connected electrically with a mount pattern 7 of a print board 6, and a test pole 4 which protrudes to outside the mold 3 and is electrically connected with the connecting pole terminal 1, the top end of a first wire 9 is pressed to the mount pattern 7 and a top end 5 of a second wire 10 connected with a checker 8 is pressed to the test pole 4, and thereby can check whether or not the above connection is made.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connector for connecting a flexible board or a printed board.

[0002]

2. Description of the Related Art In a personal computer or the like, many surface mount type connectors are used to connect a flexible board or a printed board from the viewpoint of saving space.

A connector of this type is mounted on a mounting land on a predetermined first substrate using solder, and the first
A second electrically conductive portion of the second substrate having the second electrically conductive portion and electrically connected to the first electrically conductive portion of the first substrate, and a first electrically conductive portion of the first substrate. It is used to electrically connect with the electrical conduction part.

[0004] An example of the conventional connector as described above will be described below with reference to the drawings.

FIG. 4 is a sectional view showing the structure of a conventional connector. FIG. 5 is a configuration diagram showing a configuration for mounting a conventional connector on a printed circuit board and confirming electrical connection.

In FIG. 4, reference numeral 41 denotes a connection electrode terminal of the connector, reference numeral 42 denotes a mounting portion electrode terminal electrically connected to the connection electrode terminal 41, and reference numeral 43 denotes a connection electrode terminal 41 and the mounting portion electrode terminal 42. This is the connector mold part to be held.

In FIG. 5, reference numeral 51 denotes an inspection cable electrically connected to the connection electrode terminal 41; 52, a printed board on which a connector is mounted; 53, a mounting pattern portion of the printed board 52 on which the connector is mounted. Reference numeral 54 denotes a checker for confirming conduction between the mounting pattern portion 53 of the printed circuit board 52 and the mounting portion electrode terminals 42. Reference numeral 55 denotes a first wiring connected to the checker 54, and reference numeral 56 denotes a second wiring connected to the checker 54. The inspection cable 51
Is a cable used to inspect whether or not the mounting portion electrode terminals 42 and the mounting pattern portion 53 are electrically connected. In addition, the inspection cable 51 shown in FIG.
In a portion where is located, a second substrate having the above-described second electrically conductive portion, for example, a flexible substrate is disposed later.

The connector having the above configuration will be described with reference to FIG.

In the configuration of the conventional example, an operator connects the inspection cable 51 in order to electrically confirm whether solder mounting of the mounting portion electrode terminals 42 and the mounting pattern portion 53 of the printed circuit board 52 has been securely performed. Connector electrode terminal 4
1, the first wiring 55 connected to the checker 54 is electrically connected to the mounting pattern portion 53,
The second wiring 56 connected to the checker 54 is electrically connected to the inspection cable 51, and the checker 5
4, the electrical continuity between the mounting pattern portion 53 and the mounting portion electrode terminal 42 was confirmed.

[0010]

However, in the inspection of the conventional configuration, manual work is required when the inspection cable 51 is inserted into the connection electrode terminal 41 of the connector, which increases the inspection work time and the inspection. Was one of the biggest factors preventing full automation.

SUMMARY OF THE INVENTION The present invention solves the above-mentioned conventional problems. A connector capable of performing an electrical inspection without inserting a cable for inspection into a connector, and a connection inspection method for inspecting an electrical connection using the connector. And to provide.

[0012]

In order to solve the above-mentioned problems, a first invention (corresponding to claim 1) is mounted on a first member having a first electric conduction portion, The second electrically conductive portion of the second member having an electrically conductive portion and the first electrically conductive portion;
A connector for electrically connecting an electrically conductive portion with a predetermined mold member, disposed inside the mold member, and electrically connectable to the second electrically conductive portion of the second member. And a first external electrode protruding outside the mold member and electrically connected to the internal electrode, and electrically connectable to the first electrically conductive portion of the first member. And projecting outside the mold member and electrically connected to the internal electrode or the first external electrode, and the first member
A connector comprising: a second external electrode used to inspect whether or not an electrically conductive portion is electrically connected to the first external electrode.

According to a second aspect of the present invention (corresponding to claim 2), the first member is a first circuit board constituting a liquid crystal display device, and the second member is a second circuit board constituting the liquid crystal display device. The connector according to the first aspect of the present invention, which is a substrate.

A third aspect of the present invention (corresponding to claim 3) is the first aspect of the present invention.
Alternatively, a connection inspection method for inspecting whether or not the first external electrode of the connector according to the second invention is electrically connected to the first electrically conductive portion of the first member. A tip of a first wire connected to a checker for checking whether or not the wire is connected to the first electrical conduction portion, and a tip of a second wire connected to the checker; Is pressed against the second external electrode to check whether the connection is made or not.

As described above, the tip of the wiring (for example, an anisotropic conductive material) connected to the checker is crimped to the second external electrode, whereby the inspection cable is manually inserted into the connector. It is possible to inspect whether or not the first external electrode is electrically connected to the first electrically conductive portion without performing the operation that has been performed.

[0016]

Embodiments of the present invention will be described below with reference to the drawings.

(Embodiment 1) FIG. 1 is a sectional view showing a configuration of a connector according to Embodiment 1 of the present invention. FIG.
FIG. 3 is a diagram for explaining an electrical test using the connector according to the first embodiment of the present invention.

In FIG. 1, reference numeral 1 denotes a connection electrode terminal of a connector, 2 denotes a mounting portion electrode terminal electrically connected to the connection electrode terminal 1, and 3 denotes a connection electrode terminal 1 and a mounting portion electrode terminal 2. Reference numeral 4 denotes a connector mold portion to be held, which is a test electrode portion electrically connected to the connection electrode terminal 1 and protruding outside the connector mold portion 3.

In the first embodiment, as an example of a mold member of the connector of the present invention, the connector mold portion 3 is used.
The connection electrode terminal 1 is used as an example of the internal electrode, the mounting portion electrode terminal 2 is used as an example of the first external electrode, and the test electrode portion 4 is used as an example of the second external electrode.

In FIG. 2, reference numeral 1 denotes a connection electrode terminal of the connector, 2 denotes a mounting electrode terminal electrically connected to the connection electrode terminal 1, and 3 denotes a connection electrode terminal 1 and a mounting electrode terminal 2. A connector mold portion to be held, 4 is a test electrode portion which is electrically connected to the connection electrode terminal 1 and protrudes outside the connector mold portion 3, and 5 is an anisotropic conductive material such as zebra rubber. Reference numeral 6 denotes a printed board on which a connector is mounted, 7 denotes a mounting pattern section of the printed board 6 on which the connector is mounted, and 8 denotes a mounting pattern section 7 of the printed board 6 and a mounting section electrode terminal 2.
It is a checker that checks the continuity between the two.

Reference numeral 9 denotes a first wiring connected to the checker 8, and reference numeral 10 denotes a second wiring connected to the checker 8. The anisotropic conductor 5 is attached to the end of the second wiring 10 that is not connected to the checker 8.

In the first embodiment, in the connector or connection inspection method according to the present invention, the printed circuit board 6 is an example of the first member, and the mounting pattern section 7 is an example of the first electrical conduction section. Are used respectively.

Next, it is determined whether or not the mounting section electrode terminals 2 and the mounting pattern section 7 of the printed board 6 are electrically connected using the connector according to the first embodiment of the present invention configured as described above. Will be described with reference to FIG.

In the embodiment of the present invention, a connection is made with the checker 8 in order to electrically check whether the soldering mounting of the mounting portion electrode terminals 2 and the mounting pattern portion 7 of the printed circuit board 6 is securely performed. The anisotropic conductor 5 is mechanically pressed against the test electrode 4 and
The tip of the first wiring 9 connected to the connector is crimped to the mounting pattern portion 7 to be electrically connected, and the checker 8 is used to connect the mounting terminal electrode 2 of the connector to the printed circuit board 6.
The electrical continuity with the mounting pattern part 7 is confirmed.

The test electrode portion 4 projecting outside the connector mold portion 3 is electrically connected to the connection electrode terminal 1, and the connection electrode terminal 1 is connected to the mounting portion electrode terminal 2.
Since the test electrode portion 4 is electrically connected to the mounting portion electrode terminal 2 as a result, the anisotropic conductor 5 connected to the checker 8 is electrically connected to the test electrode portion 4.
By crimping the distal end of the first wiring 9 to the mounting pattern portion 7, electrical conduction between the mounting portion electrode terminal 2 of the connector and the mounting pattern portion 7 can be confirmed.

As described above, in the first embodiment,
Unlike the prior art, the mounting section electrode terminal 2 is inserted by a simple method of crimping without inserting the inspection cable into the connector.
The electrical continuity between the circuit board 7 and the mounting pattern portion 7 of the printed circuit board 6 can be confirmed. Therefore, the number of inspection steps for inspecting the electrical continuity between the mounting-part electrode terminal 2 and the mounting pattern part 7 can be reduced as compared with the related art.

In the gap between the connection electrode terminals 1 shown in FIG. 1 or FIG. 2, a board having an electrically conductive portion, for example, a flexible board or a printed board different from the printed board 6 is disposed later.

In the first embodiment described above, the anisotropic conductor 5 is attached to the tip of the second wiring 10 which is not connected to the checker 8. A conductive member (for example, a metallic contact such as a prober pin or a crimping pin) that is not the anisotropic conductor 5 may be attached to the tip of the wiring 10. In short, the tip of the second wiring 10 can be press-bonded to the test electrode section 4, and when the tip is pressed, the tip of the second wiring 10 is electrically connected to the test electrode section 4. All you have to do is.

(Embodiment 2) FIG. 3 is a sectional view showing a configuration of a connector according to Embodiment 2 of the present invention, and a diagram for explaining an electrical inspection using the connector.

In FIG. 3, reference numeral 31 denotes a connection electrode terminal of the connector, reference numeral 32 denotes a mounting portion electrode terminal electrically connected to the connection electrode terminal 31, and reference numeral 33 denotes a connection electrode terminal 31 and the mounting portion electrode terminal 32. A mold part 34 of the connector to be held is electrically connected to the mounting part electrode terminal 32, and is a test electrode part protruding outside the connector mold part 33, and 35 is an anisotropic material such as zebra rubber. 36 is a printed circuit board on which the connector is mounted, and 37 is a printed circuit board on which the connector is mounted.
Reference numeral 38 denotes a checker for checking continuity between the mounting pattern portion 37 of the printed circuit board 36 and the mounting portion electrode terminals 32.

Reference numeral 39 denotes a first wiring connected to the checker 38, and reference numeral 40 denotes a second wiring connected to the checker 38. The anisotropic conductor 35
Is attached to the end of the second wiring 40 that is not connected to the checker 38.

In the second embodiment, as an example of the mold member of the connector of the present invention, the connector mold portion 3
3 is a connection electrode terminal 31 as an example of an internal electrode,
The mounting section electrode terminal 32 is used as an example of the external electrode, and the test electrode section 34 is used as an example of the second external electrode.

In the second embodiment, in the connector or connection inspection method according to the present invention, the printed circuit board 36 is an example of the first member, and the mounting pattern section 37 is an example of the first electrical conduction section. Are used respectively.

Next, it is determined whether or not the mounting portion electrode terminal 32 and the mounting pattern portion 37 of the printed board 36 are electrically connected using the connector according to the second embodiment of the present invention having the above configuration. Will be described with reference to FIG.

In the first embodiment, the connector in which the test electrode portion 4 protrudes from the conventional cable insertion port side has been described. However, in the configuration of the second embodiment of the present invention shown in FIG. 32 and the mounting pattern portion 3 of the printed circuit board 36
In order to electrically check whether the mounting of the anisotropic conductor 3 is securely performed, the test electrode 34 is projected to the upper portion on the mounting portion electrode terminal 32 side, and the anisotropic conductor 3 connected to the checker 38 is electrically connected.
5 is mechanically pressed from above onto the test electrode portion 34 to confirm whether or not the mounting portion electrode terminal 32 and the mounting pattern portion 37 are electrically connected. That is, the position where the test electrode portion 34 is provided and the direction of the pressure bonding are different from those of the first embodiment. Other points are the same as the first embodiment.

As described above, in Embodiment 2 described above,
As in the prior art, the electrical continuity between the mounting portion electrode terminals 32 and the mounting pattern portion 37 is confirmed by a simple method such as crimping without inserting the inspection cable into the connector as in the first embodiment. be able to.

In FIG. 3, in the gap between the connection electrode terminals 31, a substrate having an electrically conductive portion, for example, a flexible substrate or a printed substrate different from the printed substrate 36 is disposed later.

In the second embodiment, the anisotropic conductor 35 is attached to the tip of the second wiring 40 on the side not connected to the checker 38.
A conductive member other than the anisotropic conductor 35 may be attached to the tip of the second wiring 10 as in the first embodiment. In short, the tip of the second wiring 40 can be crimped to the test electrode portion 34, and when in a crimped state, the tip of the second wire 40 and the test electrode portion 34 are pressed.
And only have to be electrically connected.

Further, the connector described in the first or second embodiment includes a first circuit board (for example, an electrode board) constituting a liquid crystal display device and a second circuit board (for example, a flexible board) constituting the liquid crystal display device. When the connector is mounted on a first circuit board, the first electrically conductive portion (for example, a pattern electrode) formed on the first circuit board and the connector can be used. The electrical continuity with the mounting portion electrode terminal 2 or the mounting portion electrode terminal 32 is determined by the test electrode 4 or the test electrode 3 described above.
4 can be confirmed.

[0040]

As is apparent from the above description, the present invention provides a connector capable of performing an electrical test without inserting a test cable into the connector, and a connection for testing an electrical connection using the connector. An inspection method can be provided.

[Brief description of the drawings]

FIG. 1 is a sectional view showing a configuration of a connector according to a first embodiment of the present invention.

FIG. 2 is a diagram illustrating an electrical test using a connector according to the first embodiment of the present invention.

FIG. 3 is a cross-sectional view illustrating a configuration of a connector according to a second embodiment of the present invention, and a diagram for explaining an electrical inspection using the connector.

FIG. 4 is a sectional view of a conventional connector.

FIG. 5 is a diagram for explaining an electrical inspection using a conventional connector.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Connection electrode terminal 2 Mounting part electrode terminal 3 Connector mold part 4 Test electrode part projected outside

Claims (3)

[Claims] A first member having a second electrical conduction portion mounted on the first member having the first electrical conduction portion, the second electrical conduction portion and the first electrical conduction portion of a second member having a second electrical conduction portion; A predetermined mold member, an internal electrode disposed inside the mold member and electrically connectable to the second electrically conductive portion of the second member, A first external electrode protruding outside the mold member and electrically connected to the internal electrode, and electrically connectable to the first electrically conductive portion of the first member; While projecting to the outside, it is electrically connected to the internal electrode or the first external electrode, and the first electrically conductive portion of the first member is electrically connected to the first external electrode. Number used to check if Connector being characterized in that a external electrode. 2. The liquid crystal display device according to claim 1, wherein the first member is a first circuit board forming the liquid crystal display device, and the second member is a second circuit board forming the liquid crystal display device. The connector described. 3. A test for inspecting whether the first external electrode of the connector according to claim 1 or 2 is electrically connected to the first electrically conductive portion of the first member. A connection inspection method, comprising: crimping a distal end of a first wiring connected to a checker for checking whether or not the connection is made to the first electrically conductive portion, and connecting a second wiring connected to the checker. A connection inspection method, comprising: crimping a leading end portion of a wiring to the second external electrode to inspect whether or not the connection is made.