TO aging test board with adapter

Abstract

The utility model discloses a TO aging test board with an adapter, which comprises a circuit board test seat, a plurality of groups of electrical interfaces corresponding to a TO circuit are uniformly distributed on the upper side surface of the circuit board test seat, a heat sink aluminum plate is fixedly arranged on the front side surface of the circuit board test seat, and the heat sink aluminum plate is provided with corresponding plug-in mounting holes corresponding to the plurality of groups of electrical interfaces so as to facilitate plug-in mounting during TO test. A handle is fixedly arranged at the top of the circuit board testing seat, so that the operation of a producer is more convenient and labor-saving, a golden finger is arranged at the lower end of the circuit board testing seat, an adapter female head is arranged at the golden finger, a clamping structure is movably arranged in the adapter female head, the adapter female head can be fixed on the circuit board testing seat through the clamping structure, and an adapter terminal is inserted into the bottom of the adapter female head. The connecting pins are electrically connected with the golden fingers; according to the utility model, the adapter female head and the adapter terminal are arranged at the golden finger, and the insertion of the adapter terminal replaces the insertion of the golden finger, so that the abrasion of the golden finger is avoided, the service life of the golden finger is greatly prolonged, and the test cost is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of optical communication devices, in particular to a TO aging test board with a conversion head. Background Art

[0002] In the field of optical communication device production, the most common packaging form is LD TO (Transistor Outline). In the TO production process, the most commonly used aging test board is Figure 1 There are 64 stations on this fixture board, and each station can be equipped with a TO product.

[0003] The original circuit board of the test aging fixture is mainly supported by an epoxy board with a circuit layer sandwiched in it. The gold fingers of the power-on terminals at the end of this TO aging test board are the parts that need to be frequently plugged and unplugged. During production testing, the power-on gold fingers are inserted into the test equipment interface after positioning the non-circuit parts on both sides of the aging test board. After plugging and unplugging, the gold fingers will show obvious plug-in and pull-out marks. Then, as the number of plug-in and pull-out increases, the gold fingers will wear out, and poor contact between the aging test board and the equipment will inevitably occur, which will eventually lead to direct scrapping and increase testing costs. Utility Model Content

[0004] In view of the technical problems in the above-mentioned prior art, the utility model provides a TO aging test board with a conversion head, aiming to solve the above-mentioned problems.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A TO aging test board with a conversion head, a fixture for TO aging test, comprising a circuit board test seat, a plurality of groups of electrical interfaces corresponding to the TO circuit are evenly distributed on the side of the circuit board test seat, a gold finger is arranged at the lower end of the circuit board test seat, and further comprising:

[0007] The top of the female adapter is inserted into the gold finger;

[0008] A clamping structure, which is movably arranged in the female adapter, and the female adapter can be fixed on the circuit board test socket through the clamping structure;

[0009] The adapter terminal can be inserted into the bottom of the adapter female head and electrically connected to the gold finger. The adapter terminal can be fixedly connected to the adapter female head through a clamping structure.

[0010] Preferably, an insertion slot is provided in the adapter female connector, the gold finger is inserted in the insertion slot and abuts against the rear side wall inside the insertion slot, a limiting slot is provided on the upper side of the rear side wall of the insertion slot corresponding to the rear side of one end of the circuit board test socket facing the gold finger, and an abutment block is provided on the upper side of the front side wall of the insertion slot corresponding to the limiting slot, and the abutment block abuts against the front side of one end of the circuit board test socket facing the gold finger.

[0011] Preferably, a connecting groove matching with the gold finger is provided at the upper end of the rear side surface of the adapter terminal corresponding to the front end of the gold finger, and a connecting contact corresponding to the gold finger is provided on the rear side surface of the connecting groove.

[0012] Preferably, the overall thickness of the transfer terminal matches the inner side of the insertion slot.

[0013] Preferably, the clamping structure includes a first fastening bolt and a second fastening bolt, the first fastening bolt is arranged at a corresponding limit groove on the rear side of the insertion slot, and the circuit board test socket is fixed in the insertion slot by the first fastening bolt, and the second fastening bolt is arranged at a corresponding adapter terminal on the rear side wall of the insertion slot, and the adapter terminal is fixed in the insertion slot by the second fastening bolt.

[0014] Preferably, a heat sink aluminum plate is fixedly provided on the front side of the circuit board test socket, and the heat sink aluminum plate is provided with corresponding insertion holes corresponding to the multiple groups of electrical interfaces.

[0015] Preferably, a handle is fixedly provided on the top of the circuit board test socket.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] The utility model provides a TO aging test board with a conversion head. By adding a conversion female head and a conversion terminal, the wear of the gold finger is converted into the wear of the conversion terminal, and the service life of the TO aging test board will be greatly improved. The production cost of the separately replaceable conversion terminal is less than 5% of the entire aging test board. Secondly, the conversion terminal of the aging test board has a variety of replaceable interface types, which makes it possible to use it on different devices, greatly enhancing the compatibility of this type of aging test board. The conversion terminal can also be customized according to different TO pin definitions to meet different TO aging and testing requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is an overall exploded view of a TO aging test board with a conversion head described in the utility model;

[0019] Figure 2 It is a partial side cross-sectional view of a TO aging test board with a conversion head described in the utility model.

[0020] In the figure: 1. Circuit board test socket; 11. Gold finger; 12. Handle; 2. Adapter female connector; 21. Insertion slot; 22. Limiting slot; 23. Abutment block; 3. Clamping structure; 31. First fastening bolt; 32. Second fastening bolt; 4. Adapter terminal; 41. Connection slot; 42. Connection contact; 5. Heat sink aluminum plate; 51. Insertion hole. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1 and 2 , the embodiment proposed in the present application is: a TO aging test board with a conversion head, a fixture for TO aging test, including a circuit board test seat 1, a plurality of groups of electrical interfaces corresponding to TO circuits are evenly distributed on the upper side of the circuit board test seat 1, a heat sink aluminum plate 5 is fixedly provided on the front side of the circuit board test seat 1, which is convenient for uniform heat conduction during testing, and the heat sink aluminum plate 5 is provided with corresponding insertion holes 51 corresponding to the plurality of electrical interfaces, which is convenient for insertion during TO testing, and a handle 12 is fixedly provided on the top of the circuit board test seat 1, so that the manufacturer can operate more conveniently and labor-saving, a gold finger 11 is provided at the lower end of the circuit board test seat 1, a transfer female head 2 is provided at the gold finger 11, and the top is inserted at the gold finger 11, and a clamping structure 3 is movably provided in the transfer female head 2, and the transfer female head 2 can be fixed on the circuit board test seat 1 through the clamping structure 3, and a transfer terminal 4 is inserted at the bottom of the transfer female head 2, and is electrically connected to the gold finger 11, and the transfer terminal 4 can be fixedly connected to the transfer female head 2 through the clamping structure 3;

[0023] By arranging the adapter female connector 2 and the adapter terminal 4 at the gold finger 11, the adapter terminal is plugged in instead of the gold finger 11, thereby avoiding the wear of the gold finger 11, greatly improving its service life, and saving the test cost.

[0024] In another embodiment, see Figure 1 and 2A plug-in slot 21 is provided in the adapter female connector 2, and the gold finger 11 is inserted into the plug-in slot 21 and abuts against the rear side wall of the plug-in slot 21. A limiting slot 22 is provided on the upper side of the rear side wall of the plug-in slot 21 corresponding to the rear side of one end of the circuit board test socket 1 facing the gold finger 11, so as to position and insert the circuit board test socket 1 to ensure the precise connection between the subsequent adapter terminal 4 and the gold finger 11. An abutment block 23 is provided on the upper side of the front side wall of the plug-in slot 21 corresponding to the limiting slot 22, and the abutment block 23 abuts against the front side of one end of the circuit board test socket 1 facing the gold finger 11.

[0025] A matching connection groove 41 is provided at the upper end of the rear side surface of the adapter terminal 4 corresponding to the front end of the gold finger 11, so that the contact point with the gold finger 11 can be accurately positioned to ensure accurate connection. A connection contact 42 for connection corresponding to the gold finger 11 is provided on the rear side surface of the connection groove 41. The overall thickness of the adapter terminal 4 matches the inner side of the insertion slot 21 to ensure stability after insertion.

[0026] In this embodiment, the clamping structure 3 includes a first fastening bolt 31 and a second fastening bolt 32. The first fastening bolt 31 is arranged at the corresponding limit groove 22 on the rear side of the insertion groove 21. The circuit board test socket 1 is fixed in the insertion groove 21 by the first fastening bolt 31, and the circuit board test socket 1 after insertion is further fixed. The second fastening bolt 32 is arranged on the rear side wall of the insertion groove 21 corresponding to the adapter terminal 4. The adapter terminal 4 is fixed in the insertion groove 21 by the second fastening bolt 32, and the adapter terminal 4 after insertion is further fixed to ensure the stability of the connection.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0028] In the description of the present invention, unless otherwise specified, "plurality" means two or more; the terms "upper", "lower", "left", "right", "inside", "outside", "front end", "rear end", "head", "tail", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A TO aging test board with a conversion head, a fixture for TO aging test, comprising a circuit board test seat (1), wherein a plurality of groups of electrical interfaces corresponding to the TO circuit are evenly distributed on the upper side of the circuit board test seat (1), and a gold finger (11) is provided at the lower end of the circuit board test seat (1), characterized in that: Also includes: The top of the female adapter (2) is inserted into the gold finger (11); A clamping structure (3) is movably arranged in the adapter female connector (2), and the adapter female connector (2) can be fixed on the circuit board test socket (1) through the clamping structure (3); The adapter terminal (4) can be inserted into the bottom of the adapter female connector (2) and electrically connected to the gold finger (11). The adapter terminal (4) can be fixedly connected to the adapter female connector (2) via a clamping structure (3).

2. A TO aging test board with a conversion head according to claim 1, characterized in that: The female adapter (2) is provided with an insertion slot (21), the gold finger (11) is inserted into the insertion slot (21) and abuts against the inner rear side wall of the insertion slot (21), a limiting slot (22) is provided on the upper side of the rear side wall of the insertion slot (21) corresponding to the rear side of one end of the circuit board test socket (1) facing the gold finger (11), and an abutment block (23) is provided on the upper side of the front side wall of the insertion slot (21) corresponding to the limiting slot (22), and the abutment block (23) abuts against the front side of one end of the circuit board test socket (1) facing the gold finger (11).

3. A TO aging test board with a conversion head according to claim 2, characterized in that: A matching connection groove (41) is provided at the upper end of the rear side surface of the adapter terminal (4) corresponding to the front end of the gold finger (11), and a connection contact (42) corresponding to the gold finger (11) is provided at the rear side surface of the connection groove (41).

4. A TO aging test board with a conversion head according to claim 3, characterized in that: The overall thickness of the transfer terminal (4) matches the inner side of the insertion slot (21).

5. A TO aging test board with a conversion head according to any one of claims 2 to 4, characterized in that: The clamping structure (3) comprises a first fastening bolt (31) and a second fastening bolt (32); the first fastening bolt (31) is arranged at a position corresponding to the limiting groove (22) on the rear side of the insertion slot (21); the circuit board test socket (1) is fixed in the insertion slot (21) by the first fastening bolt (31); the second fastening bolt (32) is arranged at a position corresponding to the transfer terminal (4) on the rear side wall of the insertion slot (21); the transfer terminal (4) is fixed in the insertion slot (21) by the second fastening bolt (32).

6. A TO aging test board with a conversion head according to claim 1, characterized in that: A heat sink aluminum plate (5) is fixedly provided on the front side of the circuit board test seat (1), and the heat sink aluminum plate (5) is provided with corresponding insertion holes (51) corresponding to the multiple groups of electrical interfaces.

7. A TO aging test board with a conversion head according to claim 1, characterized in that: A handle (12) is fixedly provided on the top of the circuit board test socket (1).

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