CN106526453B

CN106526453B - Small-spacing miniature pin header optical module testing device

Info

Publication number: CN106526453B
Application number: CN201611029935.8A
Authority: CN
Inventors: 江亚
Original assignee: Tri Light Wuhan Electronics Technology Co ltd
Current assignee: Tri Light Wuhan Electronics Technology Co ltd
Priority date: 2016-11-15
Filing date: 2016-11-15
Publication date: 2023-07-04
Anticipated expiration: 2036-11-15
Also published as: CN106526453A

Abstract

The invention relates to a small-space micro pin header optical module testing device which comprises a fixed seat, a rotary table top, a PCB testing board, a pressing mechanism and a locking mechanism. The interval is equipped with two bosss on the fixing base, and forms the detection zone who is used for placing the part that awaits measuring between two bosss, and hold-down mechanism spanes and sets up in two boss upper ends, and hold-down mechanism's one end and one of them boss rotation are connected. The small-space micro pin header optical module testing device has the advantages of high testing precision, good stability, convenient adjustment and convenient operation, can meet the testing requirements of any micro pin header, forms an inclined angle on the PCB testing board during testing, can drop off as soon as condensate water is formed by temperature change, and ensures the stability and safety of the PCB testing board and the components to be tested.

Description

Small-spacing miniature pin header optical module testing device

Technical Field

The invention relates to the technical field of optical communication, in particular to a small-space micro pin header optical module testing device.

Background

In the field of optical communication technology, performance testing of communication components after their production is required. As the electric interface pin array of the tested object is very tiny and the pin array distance is very tiny, some of the pins reach 0.6mm. The existing test fixture is generally 1x10 pin header with a pin header spacing of 1.0mm. The electrical interface pins of the tested object are 1x12 pins, and the distance is only 0.6mm, so that the existing test fixture cannot be used.

In the prior art, the pin header is electrically conducted with the PCB bonding pad by pressing the pin header, and because the pin header is small, a large force is required in the pressing process, and the PCB bonding pad is concave under the action of pressure, the pressure of each time is almost larger than the pressure of the last time to ensure all connection, and the micro pin header and the PCB bonding pad are easily damaged.

In addition, the PCB printed board of the prior art is in a horizontal state during testing, when the temperature of the testing environment changes, condensate appears in an air state, at this time, condensate exists on a bonding pad on the PCB printed board, and the electric conduction between a pin header of an object to be tested and the bonding pad of the PCB printed board can be influenced, so that the testing efficiency and the testing quality are influenced.

Disclosure of Invention

The invention aims to solve the technical problem of providing a small-space micro pin header optical module testing device aiming at the defects of the prior art.

The technical scheme for solving the technical problems is as follows: a small-space miniature pin header optical module testing device comprises a fixed seat, a rotary table top, a PCB testing board, a pressing mechanism and a locking mechanism.

The fixing base is provided with two bosses at intervals, a detection area for placing a part to be detected is formed between the two bosses, the pressing mechanism stretches across the two bosses, and one end of the pressing mechanism is rotationally connected with one boss.

The rotary table top is plate-shaped, the rotary table top is arranged on the fixing seat and is close to the lateral edges of the bosses and two of the bosses, the rotary table top is arranged in parallel in the direction of the connecting line between the bosses, the rotary table top is rotationally connected with the fixing seat and can rotate along the connecting position, the PCB test board is arranged on the rotary table top and can rotate along with the rotary table top, the locking mechanism is arranged on the side wall, perpendicular to the direction of the connecting line between the bosses, of the rotary table top, the rotary table top is fixed through matching with the corresponding bosses, and one side, close to the detection area, of the PCB test board is provided with a bonding pad.

The rotary table top is rotated to form an included angle with the horizontal plane and is fixed through the locking mechanism, and the pressing mechanism fastens the part to be detected in the detection area, so that the pin bars for detecting the part to be detected are contacted and communicated with the bonding pads of the PCB.

The beneficial effects of the invention are as follows: the small-space micro pin header optical module testing device has the advantages of high testing precision, good stability, convenient adjustment and convenient operation, can meet the testing requirements of any micro pin header, and can ensure the stability and safety of the PCB testing board and the components to be tested by forming an inclined angle on the PCB testing board and dropping off as soon as possible when condensate water is formed by temperature change during testing.

Based on the technical scheme, the invention can also be improved as follows:

further: the two sides of the rotary table surface, which are perpendicular to the direction of the connecting line between the two bosses, are respectively connected with the fixed seat in a rotating way through rotating shafts, and one side of the PCB test board, which is provided with a bonding pad, is positioned between the two rotating shafts.

The beneficial effects of the above-mentioned further scheme are: the rotary table top is conveniently rotated through the rotary shaft, and the PCB test board is lifted, so that the bonding pads on the PCB test board are contacted and communicated with the pins of the detection component in the detection area, the contact stability of the bonding pads and the pins can be ensured, and the bonding pads are convenient to use.

Further: and one side edge of the PCB test board, which is provided with a bonding pad, is coaxially arranged with the two rotating shafts.

The beneficial effects of the above-mentioned further scheme are: by the mode, one side, close to the boss, of the PCB test board rotates by taking the rotating shaft as an axis, pads on the PCB test board are conveniently controlled to be in accurate contact with pins of a part to be tested, control precision is high, and contact stability of the pads and the pins is ensured.

Further: the locking mechanism adopts a locking ball plunger, a locking screw hole is formed in the side wall, perpendicular to the connecting line direction between the two bosses, of the rotary table top, and the locking ball plunger penetrates through the locking screw hole and fixes the rotary table top through corresponding boss matching.

The beneficial effects of the above-mentioned further scheme are: through locking bulb plunger can be after adjusting rotary table's inclination is fixed to follow-up can not appear rotating because the atress when hold-down mechanism compresses tightly the part that awaits measuring, this can make hold-down mechanism compresses tightly the part that awaits measuring when, the row needle of the part that awaits measuring can be accurate with the pad contact of PCB test board.

Further: the pressing mechanism comprises a pressing part, a rotating shaft pin and a pressing driving piece, wherein two ends of the pressing part are respectively arranged on corresponding bosses, one end of the pressing part is rotationally connected with one boss through the rotating shaft pin, the other end of the pressing part is separated from or attached to the other boss, and the pressing driving piece is arranged on the pressing part and can penetrate through the pressing part to stretch into the detection area to press the part to be detected.

The beneficial effects of the above-mentioned further scheme are: through rotating the compressing part can make two the upper end of boss forms the opening, more convenient follow two will await measuring the part and put into the detection area between the boss, and compress tightly the part and can fasten the part that awaits measuring in the detection area, conveniently detect.

Further: the compressing part is provided with a threaded through hole, the compressing driving piece is in threaded connection with the compressing part through the threaded through hole, and the compressing driving piece is rotated to enable the compressing driving piece to ascend or descend relative to the compressing part, and the part to be detected in the detection area is loosened or compressed.

The beneficial effects of the above-mentioned further scheme are: the compression driving piece can be rotated to compress or loosen the detection part in the monitoring area, the adjustment is convenient, the compression driving piece is not easy to loosen after compression, and the stability of the test is enhanced.

Further: and one end of the pressing part, which is far away from the rotating shaft pin, and the corresponding boss are provided with buckling structures which are matched with each other, and when the pressing part rotates to be aligned with the two bosses up and down, one end of the pressing part, which is far away from the rotating shaft pin, is fastened with the corresponding boss.

The beneficial effects of the above-mentioned further scheme are: the buckling structure can prevent the pressing part from rotating along with the rotation of the pressing driving piece, ensure that the part to be tested can be reliably pressed in the detection area when the pressing driving piece is rotated,

further: the pressing mechanism further comprises a positioning bottom plate, a groove is formed between the two bosses on the fixing seat, the positioning bottom plate is arranged in the groove, the part to be tested is arranged between the positioning bottom plate and the pressing part, and at least one second positioning hole for fixing the part to be tested is formed in the positioning bottom plate.

The beneficial effects of the above-mentioned further scheme are: the positioning bottom plate can prevent the part to be tested from rotating in the detection area, especially when the compression driving piece rotates, the part to be tested can be prevented from rotating along with the compression driving piece, so that the pin array of the part to be tested and the bonding pad on the PCB test board can not be aligned, and the test efficiency can be effectively improved.

Further: the compressing part is of an inverted U shape, a limiting column is arranged on the boss and is rotationally connected with one end of the compressing part, and a limiting groove which is matched with the limiting column and used for limiting the rotating angle of the compressing part is arranged on one end of the compressing part and is rotationally connected with the boss.

The beneficial effects of the above-mentioned further scheme are: through spacing post with the spacing groove mutually support can make the clamping part can only rotate in the angle scope of settlement, avoid the clamping part rotates too big angle, effectively saves operating time, improves operating efficiency.

Further: the PCB test board is provided with at least one first positioning hole, and the upper surface of the rotary table top is provided with positioning columns which are the same as the first positioning holes in number and correspond to the first positioning holes in position one by one.

The beneficial effects of the above-mentioned further scheme are: the PCB test board can be accurately fixed on the rotary table board through the first positioning hole, and when the rotary table board is lifted, the rotary table board is accurately aligned and contacted with the pin header of the part to be tested in the detection area, so that the PCB test board and the pin header are effectively and stably electrically connected.

Drawings

FIG. 1 is a front view of a small-pitch micro pin header optical module testing device of the present invention;

FIG. 2 is a partial enlarged view of the joint of the rotating shafts of the small-spacing micro pin header optical module testing device of the invention;

fig. 3 is an installation diagram of a small-pitch micro pin header optical module testing device of the present invention.

In the drawings, the list of components represented by the various numbers is as follows:

1. the device comprises a fixing seat, a rotary table top, a PCB test board, a pressing mechanism, a boss, a locking mechanism and a locking mechanism, wherein the fixing seat, the rotary table top, the PCB test board, the pressing mechanism, the boss and the locking mechanism are arranged in sequence;

21. a rotating shaft, 41, a compressing part, 42, a rotating shaft pin, 43, a compressing driving piece, 44 and a positioning bottom plate; 411. limit post, 412, spacing groove.

Detailed Description

The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.

As shown in fig. 1, the small-space micro pin header optical module testing device comprises a fixed seat 1, a rotary table top 2, a PCB testing board 3, a pressing mechanism 4 and a locking mechanism 6.

The fixing base 1 is provided with two bosses 5 at intervals, a detection area for placing a part to be detected is formed between the bosses 5, the pressing mechanism 4 is arranged at the upper ends of the bosses 5 in a crossing mode, and one end of the pressing mechanism 4 is rotationally connected with one boss 5.

The rotary table top 2 is plate-shaped, the rotary table top 2 is arranged on the fixed seat 1, the rotary table top 2 is close to the side edges of the bosses 5 and two of the bosses 5, the rotary table top 2 is arranged in parallel with the connecting line direction between the bosses 5, the rotary table top 2 is rotationally connected with the fixed seat 1 and can rotate along the connecting position, the PCB test board 3 is arranged on the rotary table top 2 and can rotate along with the rotary table top 2, the locking mechanism 6 is arranged on the side wall of the rotary table top 2 perpendicular to the connecting line direction between the two bosses 5, the rotary table top 2 is fixed through being matched with the corresponding bosses 5, the rotary table top is prevented from rotating, and one side of the PCB test board 3, which is close to the detection area, is provided with a bonding pad.

It should be noted that in this embodiment, it is preferable that the height of the side of the fixed base 1 on which the rotary table top 2 is disposed is reduced, so that the rotary table top 2 is disposed at the same height as the side of the fixed base 1 away from the rotary table top 2 after the rotary table top 2 is mounted on the fixed base 1. This increases the angle of rotation of the rotary table top 2 and prevents the rotary table top 2 from being spatially disturbed during rotation.

The rotary table top 2 is rotated to form an included angle with the horizontal plane and is fixed through the locking mechanism, and the pressing mechanism 4 is used for fastening the part to be detected in the detection area, so that the pin bars for detecting the part to be detected are contacted and communicated with the bonding pads of the PCB test board 3.

Here, the included angle between the rotary table top 2 and the horizontal plane can be adjusted according to the actual situation and by combining the components to be tested, and is generally greater than 30 degrees, so that the condensation book formed on the PCB test board 3 can be quickly slid away from the PCB test board 3, the influence of short circuit and the like caused by the influence of water drops on the PCB test board is reduced as much as possible, and the stability of the test is further enhanced.

In this embodiment, as shown in fig. 2, two sides of the rotary table 2 perpendicular to the connecting line direction between the two bosses 5 are respectively connected with the fixing base 1 by a rotary shaft 21 in a rotary manner, and one side of the PCB 3 provided with a bonding pad is located between the two rotary shafts 21. The rotary table top 2 is conveniently rotated through the rotary shaft 21 and lifted up on the PCB test board 3, so that the bonding pads on the PCB test board 3 are contacted and communicated with the pins of the detection component in the detection area, the contact stability of the bonding pads and the pins can be ensured, and the contact stability is convenient.

Preferably, a side edge of the PCB 3 provided with a bonding pad is coaxially arranged with the two rotating shafts 21. By the mode, one side, close to the boss 5, of the PCB test board 3 can rotate by taking the rotating shaft 21 as an axis, pads on the PCB test board 3 are conveniently controlled to be in accurate contact with pins of a part to be tested, control precision is high, and contact stability of the pads and the pins is ensured.

In this embodiment, the locking mechanism 6 employs a locking ball plunger, a locking screw hole is provided on a side wall of the rotary table top 2 perpendicular to a connecting line direction between the two bosses 5, and the locking ball plunger passes through the locking screw hole and fixes the rotary table top 2 by matching with the corresponding bosses 5. Through locking bulb plunger can be after adjusting rotary table face 2 inclination is fixed to follow-up hold-down mechanism 4 can not appear rotating because the atress when compressing tightly the part that awaits measuring, this can be so that hold-down mechanism 4 compresses tightly the part that awaits measuring when, the row needle of the part that awaits measuring can be accurate with the pad contact of PCB test board 3.

In this embodiment, the pressing mechanism 4 includes a pressing portion 41, a pivot pin 42, and a pressing driving member 43, two ends of the pressing portion 41 are respectively disposed on the corresponding bosses 5, one end of the pressing portion 41 is rotationally connected with one of the bosses 5 through the pivot pin 42, the other end is separated from or attached to the other boss 5, and the pressing driving member 43 is disposed on the pressing portion 41 and can penetrate through the pressing portion 41 to stretch into the detection area to press the part to be tested. Through rotating the compressing part 41 can make two the upper ends of boss 5 form the opening, more convenient follow two between the boss 5 will await measuring the part and put into the detection area, and compress tightly part 41 can be with the part fastening that awaits measuring in the detection area, conveniently detect.

Preferably, the compressing part 41 is provided with a threaded through hole, the compressing driving member 43 is in threaded connection with the compressing part 41 through the threaded through hole, and the compressing driving member 43 is rotated to enable the compressing driving member 43 to ascend or descend relative to the compressing part 41, and to loosen or compress the part to be detected in the detection area. The pressing driving piece 43 can be rotated to press or loosen the detection part in the monitoring area, the adjustment is convenient, the pressing driving piece is not easy to loosen after pressing, and the stability of the test is enhanced.

Preferably, a fastening structure is provided on an end of the pressing portion 41 away from the pivot pin 42 and the corresponding boss 5, and when the pressing portion 41 rotates to be aligned with the two bosses 5, an end of the pressing portion 41 away from the pivot pin 42 and the corresponding boss 5 are fastened to each other. The buckling structure can prevent the pressing part 41 from rotating along with the rotation of the pressing driving piece 43, ensure that the part to be tested can be reliably pressed in the detection area when the pressing driving piece 43 is rotated,

preferably, the pressing mechanism 4 further includes a positioning bottom plate 44, a groove is disposed between the two bosses 5 on the fixing base 1, the positioning bottom plate 44 is disposed in the groove, the part to be tested is disposed between the positioning bottom plate 44 and the pressing portion 41, and at least one second positioning hole for fixing the part to be tested is disposed on the positioning bottom plate 44. The positioning bottom plate 44 can prevent the part to be tested from rotating in the detection area, especially when the pressing driving piece 43 rotates, the part to be tested can be prevented from rotating along with the pressing driving piece 43, so that the pin array of the part to be tested and the bonding pad on the PCB test board can not be aligned, and the test efficiency can be effectively improved.

As shown in fig. 3, preferably, the pressing portion 41 is in an inverted U shape, the boss 5 rotatably connected to one end of the pressing portion 41 is provided with a limiting post 411, and one end of the pressing portion 41 rotatably connected to the boss 5 is provided with a limiting groove 412 matched with the limiting post and used for limiting the rotation angle of the pressing portion 41. Through spacing post 411 with spacing groove 412 mutually support can make the portion of compressing tightly 41 can only rotate in the angle scope that sets for, avoid the portion of compressing tightly 41 rotates too big angle, effectively saves operating time, improves operating efficiency.

In this embodiment, at least one first positioning hole is formed in the PCB test board 3, and positioning columns corresponding to the first positioning holes in number and in position one by one are formed on the upper surface of the rotary table top 2. The PCB test board 3 can be accurately fixed on the rotary table board 2 through the first positioning hole, and when the rotary table board 2 is lifted, the rotary table board is accurately aligned with and contacted with the pin alignment of the part to be tested in the detection area, so that the two parts are effectively and stably electrically connected.

The small-space micro pin header optical module testing device has the advantages of high testing precision, good stability, convenient adjustment and convenient operation, can meet the testing requirements of any micro pin header, and can ensure the stability and safety of the PCB testing board and the components to be tested by forming an inclined angle on the PCB testing board and dropping off as soon as possible when condensate water is formed by temperature change during testing.

The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.

Claims

1. The small-space miniature pin header optical module testing device is characterized by comprising a fixed seat (1), a rotary table top (2), a PCB testing board (3), a pressing mechanism (4) and a locking mechanism (6);

two bosses (5) are arranged on the fixed seat (1) at intervals, a detection area for placing a part to be detected is formed between the two bosses (5), the pressing mechanism (4) is transversely arranged at the upper ends of the two bosses (5), and one end of the pressing mechanism (4) is rotationally connected with one boss (5);

the rotary table top (2) is plate-shaped, the rotary table top (2) is arranged on the fixed seat (1), the rotary table top (2) is close to the side edges of the bosses (5) and the connecting line directions between the two bosses (5) are arranged in parallel, the rotary table top (2) is rotationally connected with the fixed seat (1) and can rotate along the connecting place, the PCB test board (3) is arranged on the rotary table top (2) and can rotate along with the rotary table top (2), the locking mechanism (6) is arranged on the side wall of the rotary table top (2) perpendicular to the connecting line directions between the two bosses (5) and is matched and fixed with the corresponding bosses (5), and a bonding pad is arranged on one side of the PCB test board (3) close to the detection area;

the rotary table top (2) is rotated to form an included angle with the horizontal plane and is fixed through the locking mechanism, and the pressing mechanism (4) is used for fastening the part to be detected in the detection area, so that the pin array of the part to be detected is contacted and communicated with the bonding pad of the PCB (printed circuit board) 3.

2. The small-spacing micro pin header optical module testing device according to claim 1, wherein two sides of the rotary table top (2) perpendicular to the connecting line direction between the two bosses (5) are respectively connected with the fixed seat (1) in a rotating way through rotating shafts (21), and one side, provided with bonding pads, of the PCB testing board (3) is located between the two rotating shafts (21).

3. The small-space micro pin header optical module testing device according to claim 2, wherein one side of the PCB testing board (3) provided with the bonding pads is coaxially arranged with the two rotating shafts (21).

4. The small-spacing micro pin header optical module testing device according to claim 2, wherein the locking mechanism (6) is a locking ball plunger, a locking screw hole is formed in a side wall of the rotary table top (2) perpendicular to the connecting line direction between the two bosses (5), and the locking ball plunger penetrates through the locking screw hole and fixes the rotary table top (2) through cooperation of the corresponding bosses (5).

5. The small-pitch micro pin array optical module testing device according to claim 1, wherein the pressing mechanism (4) comprises a pressing part (41), a rotating shaft pin (42) and a pressing driving piece (43), two ends of the pressing part (41) are respectively arranged on the corresponding bosses (5), one end of the pressing part (41) is rotationally connected with one boss (5) through the rotating shaft pin (42), the other end of the pressing part is separated from or attached to the other boss (5), and the pressing driving piece (43) is arranged on the pressing part (41) and can penetrate through the pressing part (41) to stretch into the detection area to press a part to be tested.

6. The small-pitch micro pin header optical module testing device according to claim 5, wherein the pressing part (41) is provided with a threaded through hole, the pressing driving piece (43) is in threaded connection with the pressing part (41) through the threaded through hole, and the pressing driving piece (43) is rotated to enable the pressing driving piece to ascend or descend relative to the pressing part (41) and loosen or press the component to be tested in the detection area.

7. The small-pitch micro pin header optical module testing device according to claim 5, wherein a buckling structure which is matched with each other is arranged on one end, away from the rotating shaft pin (42), of the pressing part (41) and the corresponding boss (5), and when the pressing part (41) rotates to be aligned with the two bosses (5) up and down, one end, away from the rotating shaft pin (42), of the pressing part (41) and the corresponding boss (5) are buckled with each other.

8. The small-pitch micro pin header optical module testing device according to claim 5, wherein the pressing mechanism (4) further comprises a positioning bottom plate (44), a groove is formed between the two bosses (5) on the fixing base (1), the positioning bottom plate (44) is arranged in the groove, the part to be tested is arranged between the positioning bottom plate (44) and the pressing portion (41), and at least one second positioning hole for fixing the part to be tested is formed in the positioning bottom plate (44).

9. The small-pitch micro pin header optical module testing device according to claim 5, wherein the pressing part (41) is in an inverted U shape, a limiting column (411) is arranged on the boss (5) rotationally connected with one end of the pressing part (41), and a limiting groove (412) which is matched with the limiting column and used for limiting the rotation angle of the pressing part (41) is arranged on one end of the pressing part (41) rotationally connected with the boss (5).

10. The small-pitch micro pin header optical module testing device according to any one of claims 1 to 9, wherein at least one first positioning hole is formed in the PCB testing board (3), and positioning columns which are the same in number and in one-to-one correspondence to the first positioning holes are formed in the upper surface of the rotary table top (2).