CN220137188U

CN220137188U - Table top type plate separating detection jig

Info

Publication number: CN220137188U
Application number: CN202320970078.0U
Authority: CN
Inventors: 黄庆云
Original assignee: TRANTEST PRECISION (CHINA) Ltd
Current assignee: TRANTEST PRECISION (CHINA) Ltd
Priority date: 2023-04-26
Filing date: 2023-04-26
Publication date: 2023-12-05
Anticipated expiration: 2033-04-26

Abstract

The utility model belongs to the field of circuit board detection, and particularly relates to a desktop type split board detection jig. The device comprises a bottom plate, wherein a plurality of support columns perpendicular to the bottom plate are arranged at the edge of the bottom plate so as to suspend the bottom plate; the carrier plate is arranged on the bottom plate and is used for bearing a first board to be tested; the needle die assembly is arranged on the carrier plate, and the upper part of the needle die assembly is used for bearing a second board to be measured; the pressing plate is arranged on the needle die assembly and used for pressing down the second board to be tested, so that the second board to be tested is electrically connected with the first board to be tested through the needle die assembly. The utility model can realize the board separation test of the circuit board, is convenient for rapid detection, movement and overhaul, has the advantages of simple structure and good heat dissipation effect, and is suitable for laboratory environment.

Description

Table top type plate separating detection jig

Technical Field

The utility model belongs to the field of circuit board detection, and particularly relates to a desktop type split board detection jig.

Background

In the development, production, manufacture and processing of circuit boards, it is often necessary to test the performance and various functions of the circuit boards by means of a jig. For some products welded together by two circuit boards through a middle frame, when the products are still in the working procedure of two semi-finished products, the two circuit boards need to be subjected to board separation test. At present, most of common split plate detection jigs in the market are designed for pipeline operation, and when research and development personnel test in a laboratory, only the jigs for the pipeline can be used. However, such a jig is relatively complex in structure, difficult to rapidly detect, move and overhaul, and poor in heat dissipation effect, and cannot be applied to laboratory environments.

Therefore, a table-type split plate detection fixture suitable for laboratory environment is needed.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the desktop type split board detection jig which can realize split board test on a circuit board, is convenient for quick detection, movement and overhaul, has the advantages of simple structure and good heat dissipation effect, and is suitable for laboratory environment.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a desktop type split plate detection jig comprises:

the bottom plate is provided with a plurality of support columns perpendicular to the bottom plate at the edge of the bottom plate so as to suspend the bottom plate;

the carrier plate is arranged on the bottom plate and is used for bearing a first board to be tested;

the needle die assembly is arranged on the carrier plate, and the upper part of the needle die assembly is used for bearing a second board to be measured;

the pressing plate is arranged on the needle die assembly and used for pressing down the second board to be tested, so that the second board to be tested is electrically connected with the first board to be tested through the needle die assembly.

Further, the needle module comprises a needle module, the needle module comprises a needle plate and a plurality of probes arranged in the needle plate, two ends of each probe are respectively electrically connected with the second board to be tested and the first board to be tested from the upper side and the lower side of the needle plate, and when the second board to be tested is pressed down on the needle plate, the probes are compressed.

Further, the needle plate is provided with a needle hole for accommodating the probe, a movable space for the probe to axially move is formed in the needle hole, and when the bottom end of the probe is not jacked up by the first to-be-tested plate, the top end of the probe is not higher than the top plane of the needle plate.

Further, a limiting ring is arranged on the probe and is located in the movable space and used for limiting the movable range of the probe.

Further, the needle plate comprises an upper needle plate and a lower needle plate which are mutually attached, and the movable space is located in the lower needle plate.

Further, the probe is a double-head single-action probe, a free needle head of the probe is used for being abutted against the first to-be-tested plate, and a fixed needle head of the probe is used for being abutted against the second to-be-tested plate.

Further, the needle die assembly further comprises a needle die fixing plate, and the needle die is relatively fixed with the needle die fixing plate.

Further, a plurality of first positioning columns are arranged on the bottom plate, and the first positioning columns penetrate through the carrier plate and are connected to the needle die fixing plate for relative positioning between the carrier plate, the needle die fixing plate and the bottom plate; and a plurality of second positioning columns are further arranged on the needle mould fixing plate and used for relative positioning between the pressing plate and the needle mould fixing plate.

Further, a pin header fixing block and a hand-screwed screw are arranged on the pressing plate, and the hand-screwed screw penetrates through the pressing plate and the pin die fixing plate to be connected to the carrier plate.

Further, a first through part is arranged at the center of the bottom plate, and the carrier plate covers the first through part; the carrier plate is provided with a second through part, and the first to-be-tested plate arranged on the carrier plate covers the second through part.

The utility model has the beneficial effects that:

according to the utility model, the supporting base plate is suspended by the supporting columns, so that heat dissipation in the detection process is facilitated; the needle die assemblies are arranged to connect the first to-be-tested plate and the second to-be-tested plate from the upper side and the lower side, so that the needle die assemblies have the connecting function of the middle frame of the finished product; by arranging the compressible probe, the connection stability is improved; by arranging the probe to be axially movable, it is facilitated that the probe can be hidden in the pinhole when the first board to be tested is not loaded; the first positioning column and the second positioning column are arranged, so that the relative positioning among the components is facilitated; the manual screwing screw is arranged, so that the fixing and the dismounting are convenient; by arranging the pin header fixing block, equipment such as an oscilloscope, a network analyzer and the like can be conveniently connected to carry out waveform grabbing and signal analysis; the first through part and the second through part are arranged, so that heat dissipation from the bottom to the first board to be tested is facilitated; the utility model can realize the board separation test of the circuit board, is convenient for rapid detection, movement and overhaul, has the advantages of simple structure and good heat dissipation effect, and is suitable for laboratory environment.

Drawings

FIG. 1 is a schematic structural diagram of a split plate detection jig of the utility model;

FIG. 2 is a schematic diagram of an explosion structure of the split plate detection jig of the utility model;

FIG. 3 is a schematic exploded view of the needle mold assembly of the present utility model;

FIG. 4 is a cross-sectional view of the needle mold of the present utility model;

FIG. 5 is a cross-sectional view of the needle mold of the present utility model;

FIG. 6 is a schematic view of the structure of the probe of the present utility model;

the marks in the figure are as follows: 1-a bottom plate, 110-a first positioning column and 120-a first through part; 2-supporting columns; 3-a carrier plate and 310-a second through part; 4-needle mould assembly, 410-needle mould, 411-needle plate, 4111-needle hole, 4112-movable space, 4113-upper needle plate, 4114-lower needle plate, 412-probe, 4121-limit ring, 4122-free needle, 4123-fixed needle, 420-needle mould fixing plate, 421-second positioning column; 5-pressing plates and 510-pin header fixing blocks; 6, screwing the screw by hand; 7-a first board to be tested; 8-a second board to be measured.

Description of the embodiments

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1 to 6, a specific embodiment of a table-type board separation detection tool according to the present utility model is illustrated.

Referring to fig. 1 and 2, the table top type split plate detection jig includes:

the bottom plate 1, the edge of the bottom plate 1 is provided with a plurality of support columns 2 which are perpendicular to the bottom plate 1, so that the bottom plate 1 is suspended;

the carrier plate 3 is arranged on the bottom plate 1, and the carrier plate 3 is used for carrying a first to-be-tested plate 7;

the needle module 4 is arranged on the carrier plate 3, and the upper part of the needle module 4 is used for bearing a second board 8 to be measured;

the pressing plate 5 is arranged on the needle module 4, and the pressing plate 5 is used for pressing down the second board 8 to be tested, so that the second board 8 to be tested is electrically connected with the first board 7 to be tested through the needle module 4.

Referring to fig. 2, in the above embodiment, the bottom plate 1 is rectangular and is a platform of a fixture, and is used for supporting and fixing the main body of the fixture, four corners at the lower side of the bottom plate 1 are provided with 4 support columns 2, and four corners at the upper side of the bottom plate 1 are also provided with 4 support columns 2, so that the bottom plate 1 is suspended during working, and a larger operation space and a larger heat dissipation space are reserved. The carrier plate 3 is arranged at the middle position of the upper side of the bottom plate 1, the first to-be-measured plate 7 is placed above the bottom plate 1, the needle module 4 covers the first to-be-measured plate 7, the second to-be-measured plate 8 is placed on the needle module 4, and the first to-be-measured plate 7 and the second to-be-measured plate 8 are connected through the needle module 4. The pressing plate 5 is pressed onto the second board to be tested 8 from top to bottom, so that the connection between the second board to be tested 8, the first board to be tested 7 and the needle module 4 is stable, and the split board test is realized. In the embodiment, the first board to be tested 7 is a BG auxiliary functional board, and the second board to be tested 8 is a CG main functional board, and because the BG auxiliary functional board is not required to be replaced repeatedly in the testing process, the CG main functional board is required to be replaced and tested, so that the CG main functional board is placed above the CG main functional board, and the replacement test is convenient. In the finished product, the BG auxiliary functional board and the CG main functional board are welded together through the middle frame to realize connection, and in the test process, the needle module 4 replaces the data connection function of the middle frame, so that research and development engineers can conveniently detect whether the functions of the BG auxiliary functional board and the CG main functional board are normal in a laboratory environment when the products are still in the working procedures of two semi-finished products, and the test results can be known in time.

Referring to fig. 3, in the above embodiment, the needle module 4 includes the needle module 410, the needle module 410 includes the needle plate 411 and the plurality of probes 412 disposed in the needle plate 411, both ends of the probes 412 are electrically connected to the second board 8 to be tested and the first board 7 to be tested from the upper and lower sides of the needle plate 411, respectively, and when the second board 8 to be tested presses the needle plate 411, the probes 412 are compressed. In the embodiment, when the second board 8 to be measured is placed on the pin die assembly 4, the probe 412 is in an uncompressed state, the first board 7 to be measured and the second board 8 to be measured cannot be connected stably, when the pressing plate 5 is mounted on the pin die assembly 4 and pressed down, the pressing plate 5 presses the second board 8 to be measured downwards, the second board 8 presses the probe 412, and the first board 7 to be measured and the second board 8 to be measured realize stable signal connection.

Referring to fig. 4 and 5, in the above embodiment, the needle plate 411 is provided with a needle hole 4111 for accommodating the probe 412, a movable space 4112 for axially moving the probe 412 is formed in the needle hole 4111, and when the bottom end of the probe 412 is not lifted up by the first test board 7, the top end of the probe 412 is not higher than the top plane of the needle plate 411. In an embodiment, the probe 412 can move longitudinally in the pinhole 4111, when the first board to be tested 7 is not placed, the probe 412 is suspended below, the probe 412 moves naturally downwards under the gravity, and the top end of the probe 412 does not protrude out of the top plane of the needle plate 411, so that the second board to be tested 8 cannot be placed on the probe 412 at this time, and the test cannot be performed, as shown in fig. 4; when the first board to be tested 7 is placed below the needle module 4, the first board to be tested 7 jacks up the probe 412, the probe 412 moves upwards, the top of the probe 412 protrudes out of the top plane of the needle plate 411, at this time, the second board to be tested 8 is placed, the second board to be tested 8 can contact with the probe 412, and the pressing plate 5 is continuously installed for testing, as shown in fig. 5.

Referring to fig. 6, in the above embodiment, the probe 412 is provided with a limiting ring 4121, and the limiting ring 4121 is located in the movable space 4112 to limit the movable range of the probe 412. In the embodiment, when the probe 412 is lifted by the first test board 7, the limiting ring 4121 of the probe 412 abuts against the top of the movable space 4112, so as to limit the movable range of the probe 412.

Referring to fig. 3, in the above embodiment, the needle plate 411 includes an upper needle plate 4113 and a lower needle plate 4114 that are attached to each other, and the movable space 4112 is located in the lower needle plate 4114. In the embodiment, the lower side of the upper needle plate 4113 is the top of the movable space 4112, when assembling, the upper needle plate 4113 and the lower needle plate 4114 are separated from each other, the probes 412 are mounted in the movable space 4112 of the lower needle plate 4114 from top to bottom, then the upper needle plate 4113 is mounted on the lower needle plate 4114 in a covering and fitting manner, and the top ends of the probes 412 correspond to the needle holes 4111 of the upper needle plate 4113.

Referring to fig. 6, in the above embodiment, the probe 412 is a double-ended single-action probe, the free needle 4122 of the probe 412 is used to abut against the first board to be tested 7, and the fixed needle 4123 of the probe 412 is used to abut against the second board to be tested 8. In one embodiment, the top end of the probe 412 is a fixed needle 4123, which is not retractable, and the bottom end of the probe 412 is a free needle 4122, which is retractable. When the platen 5 presses down on the second plate 8, the second plate 8 presses against the fixed tip 4123 of the probe 412, causing the probe 412 to move down and compress the free tip 4122 of the probe. When the probe 412 is uncompressed, the total length is 3.5mm, with the free needle 4122 having a draft of 0.45mm. In an embodiment, the pin module 4 further includes a pin module fixing plate 420, and the pin module 410 is relatively fixed to the pin module fixing plate 420.

Referring to fig. 2, in the above embodiment, the base plate 1 is provided with a plurality of first positioning columns 110, and the first positioning columns 110 are connected to the pin die fixing plate 420 through the carrier plate 3 for relative positioning between the carrier plate 3 and the pin die fixing plate 420 and the base plate 1; the pin die fixing plate 420 is further provided with a plurality of second positioning columns 421 for relative positioning between the pressing plate 5 and the pin die fixing plate 420. In the embodiment, the first positioning column 110 is used for positioning the carrier plate 3 and positioning the pin die fixing plate 420 at the same time, and the second positioning column 421 disposed on the pin die fixing plate 420 is used for positioning the pressing plate 5, so as to avoid dislocation of each component during assembly.

Referring to fig. 1, in the above embodiment, the presser plate 5 is provided with the pin header fixing block 510 and the hand screw 6, and the hand screw 6 is connected to the carrier plate 3 through the presser plate 5 and the pin die fixing plate 420. In the embodiment, the pin header fixing block 510 is used for connecting devices such as an oscilloscope and a network analyzer to perform waveform grabbing and signal analysis, and the hand screw 6 is used for connecting and tightening the carrier plate 3 from above the pressing plate 5 through the pin die fixing plate 420, so that the pressing and fixing of the pressing plate 5 are realized, and the stability during testing is ensured.

Referring to fig. 2, in the above embodiment, a first through portion 120 is disposed at the center of the bottom plate 1, and the carrier plate 3 covers the first through portion 120; the carrier 3 is provided with a second through portion 310, and the first board 7 to be tested mounted on the carrier 3 will cover the second through portion 310. In the embodiment, the bottom of the first board to be tested 7 mounted on the carrier 3 is exposed downwards through the second through portion 310 and the first through portion 120, so as to facilitate heat dissipation of the second board to be tested 8 during testing.

In summary, the present embodiment provides a desktop type split board detection fixture, which is configured to support a base plate 1 in suspension by a support column 2, so as to facilitate heat dissipation in a detection process; the needle die assembly 4 is arranged to connect the first to-be-tested plate 7 and the second to-be-tested plate 8 from the upper side and the lower side, so that the connecting function of the finished product middle frame is realized; by providing a compressible probe 412, connection stability is improved; by providing the probe 412 to be axially movable, it is facilitated that the probe 412 can be hidden within the pinhole 4111 when the first board 7 to be tested is not loaded; by arranging the first positioning column 110 and the second positioning column 421, the relative positioning among the components is facilitated; the manual screwing screw 6 is arranged, so that the fixing and the dismounting are convenient; by arranging the pin header fixing block 510, the connection of equipment such as an oscilloscope, a network analyzer and the like is facilitated for waveform grabbing and signal analysis; by providing the first through portion 120 and the second through portion 310, heat dissipation from the bottom to the first board 7 to be tested is facilitated; the embodiment can realize the board separation test of the circuit board, is convenient for quick detection, movement and overhaul, has the advantages of simple structure and good heat dissipation effect, and is suitable for laboratory environment.

The above-described embodiments are only one of the preferred embodiments of the present utility model, and the ordinary changes and substitutions made by those skilled in the art within the scope of the present utility model should be included in the scope of the present utility model.

Claims

1. A desktop divides board detection tool, its characterized in that includes:

the device comprises a bottom plate (1), wherein a plurality of support columns (2) perpendicular to the bottom plate (1) are arranged at the edge of the bottom plate (1) so as to suspend the bottom plate (1);

the carrier plate (3) is arranged on the bottom plate (1), and the carrier plate (3) is used for bearing a first board (7) to be tested;

the needle die assembly (4) is arranged on the carrier plate (3), and a second board (8) to be measured is carried above the needle die assembly (4);

the pressing plate (5) is arranged on the needle die assembly (4), and the pressing plate (5) is used for pressing down the second board to be tested (8) so that the second board to be tested (8) is electrically connected with the first board to be tested (7) through the needle die assembly (4).

2. A table-type board-dividing detection jig according to claim 1, wherein the pin die assembly (4) comprises a pin die (410), the pin die (410) comprises a needle plate (411) and a plurality of probes (412) arranged in the needle plate (411), both ends of the probes (412) are respectively electrically connected with the second board (8) to be detected and the first board (7) to be detected from the upper side and the lower side of the needle plate (411), and when the second board (8) to be detected is pressed down on the needle plate (411), the probes (412) are compressed.

3. A table-type board separation detection jig according to claim 2, wherein the needle board (411) is provided with a needle hole (4111) for accommodating the probe (412), a movable space (4112) for axially moving the probe (412) is formed in the needle hole (4111), and when the bottom end of the probe (412) is not lifted by the first board (7) to be detected, the top end of the probe (412) is not higher than the top plane of the needle board (411).

4. A desktop type split board detection fixture according to claim 3, wherein a limiting ring (4121) is provided on the probe (412), and the limiting ring (4121) is located in the movable space (4112) for limiting the movement range of the probe (412).

5. A table-type board separation detecting jig according to claim 3, wherein the needle board (411) comprises an upper needle board (4113) and a lower needle board (4114) which are mutually attached, and the movable space (4112) is located in the lower needle board (4114).

6. A desktop-type plate detection jig according to any one of claims 2-5, characterized in that the probe (412) is a double-ended single-action probe, a free needle (4122) of the probe (412) is used for abutting against the first plate (7) to be detected, and a fixed needle (4123) of the probe (412) is used for abutting against the second plate (8) to be detected.

7. A desktop-type split-plate detection jig according to claim 2, wherein the pin die assembly (4) further comprises a pin die fixing plate (420), and the pin die (410) and the pin die fixing plate (420) are relatively fixed.

8. A desktop-type split-plate detection jig according to claim 7, characterized in that the base plate (1) is provided with a plurality of first positioning columns (110), and the first positioning columns (110) penetrate through the carrier plate (3) and are connected to the pin-die fixing plate (420) for relative positioning between the carrier plate (3) and the pin-die fixing plate (420) and the base plate (1); the pin die fixing plate (420) is also provided with a plurality of second positioning columns (421) used for relative positioning between the pressing plate (5) and the pin die fixing plate (420).

9. The desktop type split plate detection jig according to claim 7, wherein a pin header fixing block (510) and a hand screw (6) are arranged on the pressing plate (5), and the hand screw (6) penetrates through the pressing plate (5) and the pin die fixing plate (420) to be connected to the carrier plate (3).

10. The desktop type split board detection jig according to claim 1, wherein a first through part (120) is arranged at the center of the bottom board (1), and the carrier board (3) covers the first through part (120); the carrier plate (3) is provided with a second through part (310), and the first to-be-tested plate (7) mounted on the carrier plate (3) covers the second through part (310).