CN111766504B

CN111766504B - Connection structure of FCT test fixture and FCT test fixture

Info

Publication number: CN111766504B
Application number: CN202010605038.7A
Authority: CN
Inventors: 夏纪永
Original assignee: Suzhou Inspur Intelligent Technology Co Ltd
Current assignee: Suzhou Inspur Intelligent Technology Co Ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2022-12-13
Anticipated expiration: 2040-06-29
Also published as: WO2022001142A1; CN111766504A

Abstract

The invention discloses a connection structure of an FCT test fixture and the FCT test fixture, the connection structure of the FCT test fixture comprises: the fixing part is connected with the connecting part and is used for conducting the wire and the main board end connector; the fixing part or the connecting part is provided with an operating part which is used for connecting a plug-pull operation controller or is a block structure convenient for an operator to hold. The operation part is arranged on the fixed part or the connecting part, and has a massive structure with larger volume, and the plugging operation controller can directly hold the operation part to facilitate plugging into and out of the mainboard; or the operating part can be directly controlled by hands of an operator, so that the problem that the plugging on a dense main board cannot be realized due to the fact that the end part of the wire rod is small is solved.

Description

Connection structure of FCT test fixture and FCT test fixture

Technical Field

The invention relates to the technical field of connectors, in particular to a connecting structure of an FCT (flexible circuit test) test fixture. In addition, the invention also relates to an FCT test fixture.

Background

With the rapid development of current computing power, the usage of servers is rising sharply. The research and development and iterative update of the server are very important, each server motherboard needs to be subjected to heavy test verification before leaving a factory, many tests and verifications need to be carried out according to many test tools, and an FCT (Flexible manufacturing technology) jig is an important test tool. The FCT is a function test and simulates the operating environment of the server.

Meanwhile, as the requirements of users on the functions of the server are more and more, and the requirements on the space utilization rate are higher and higher, the overall layout of the mainboard is very compact. Therefore, server motherboards are more and more complex to make, and the components contained in the server motherboards are more and more dense, so that the size of the motherboard connectors is smaller and smaller.

The I2C interface that uses in a large number on the present new generation mainboard all is 4PIN, the connector of PIN foot interval 1 millimeter to board end connector is the blade formula interface, and the line end connector size is very little, leads to the plug operation comparatively difficult, has reduced work efficiency.

In summary, a problem to be solved by those skilled in the art is how to provide a connector capable of realizing quick insertion and extraction.

Disclosure of Invention

In view of this, an object of the present invention is to provide a connection structure of an FCT test fixture, which facilitates an operator or an operation instrument to connect a wire to a motherboard, and avoids the situation of inconvenient plugging and unplugging due to too small connectors of the wire and the motherboard.

Another object of the present invention is to provide an FCT test fixture including the above connection structure.

In order to achieve the above purpose, the invention provides the following technical scheme:

a connection structure of an FCT test fixture, comprising: the fixing part is connected with the connecting part and is used for conducting the wire and the main board end connector; the fixing part or the connecting part is provided with an operating part which is used for connecting a plug-in operation controller or is a blocky structure convenient for an operator to hold.

Preferably, the fixing part comprises a fixing block and a needle cylinder for fixing a probe needle sleeve, a probe is arranged in the probe needle sleeve, one end of the probe extending out of the fixing block is used for connecting the wire, and the other end of the probe is used for communicating the connecting part.

Preferably, the fixed block is provided with a fixed screw hole for fixedly connecting a needle bed;

the connecting part is connected with the needle cylinder through an elastic part, so that the connecting part can have a buffering effect with the fixing part when the connecting part is controlled by the plugging operation controller to move.

Preferably, the fixing portion is sleeved on the periphery of the wire in a clamping manner, the connecting portion is clamped and fixed with one side of the fixing portion and used for clamping the wire extending from one side of the fixing portion into the connecting portion, the wire bypasses the connecting portion and is connected to an FCT interface on the other side of the connecting portion, and the FCT interface is used for connecting the main board end connector.

Preferably, the fixing part comprises a plurality of first PCBs arranged in a stacked manner, the wire extends into the drilled holes of the first PCBs, the connecting part comprises a second PCB, and the wire is welded to the FCT interface.

Preferably, the fixing part comprises a connecting port for connecting a wire port, the connecting part is provided with a groove, a golden finger for connecting a main board end connector is arranged in the groove, and the connecting port is in conduction connection with the golden finger.

Preferably, the groove is a longitudinal groove, and the gold finger is vertically arranged in the groove so as to facilitate the connection between the groove and the plate end interface of the main plate end connector.

Preferably, the fixing part is connected with the connecting part in a welding manner;

and/or the connecting part is provided with a mounting hole for fixing with the main plate end connector or the needle bed.

Preferably, the groove is a milling groove, and corresponds to the blade structure of the end connector of the main plate.

An FCT test fixture comprises a wire and a connecting structure, wherein the connecting structure is the connecting structure of the FCT test fixture.

The connecting structure provided by the invention has the advantages that the fixing part is used for connecting wires, the connecting part is used for connecting the mainboard, the operating part is arranged on the fixing part or the connecting part, the operating part is of a hard structure and has a massive structure with larger volume, and the plugging operation controller can directly hold the operating part, so that the plugging operation of the mainboard is facilitated; or the operator may directly control the operation portion by hand. Because the operation portion is block-shaped structure, no matter the manipulator or manual operation can both be better hold and plug, avoided because the wire rod tip is less, can't realize carrying out the problem of picture peg on intensive mainboard.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic diagram of a first embodiment of the present invention;

FIG. 2 is a schematic diagram of a second embodiment of the present invention;

fig. 3 is a schematic diagram of a third embodiment of the present invention.

In FIGS. 1-3:

1 is a fixed part, 2 is a connecting part, and 3 is a wire;

11 is a fixed block, 12 is a syringe, 13 is a buffer guide block, 14 is a probe sleeve, 15 is a probe, and 16 is an elastic part;

21 is a first PCB, 22 is a second PCB;

31 is the first adapter plate, 32 is the second adapter plate, 33 is the recess, 34 is the golden finger.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

The core of the invention is to provide a connection structure of an FCT test fixture, which is convenient for an operator or an operating instrument to realize the connection of a wire and a mainboard and avoids the condition of inconvenient plugging and unplugging caused by undersize connectors of the wire and the mainboard.

The invention also provides an FCT test fixture comprising the connecting structure.

The application provides a pair of FCT test fixture's connection structure, mainly used realizes being connected of wire rod and mainboard. The above-mentioned connection structure mainly includes: a fixed part 1 and a connecting part 2.

The fixing part 1 is used for connecting wires 3, and the connecting part 2 is used for connecting the main board end connector. The fixing part 1 is connected with the connecting part 2 and is used for conducting the wire 3 with the main board end connector; the fixing part 1 or the connecting part 2 is provided with an operating part which is used for connecting and pulling out an operating controller or is a block structure convenient for an operator to hold.

The fixing portion 1 may be fixedly connected to the wire or detachably connected to the wire, and may be adjusted according to the purpose of actual use. The connecting part 2 serves to form an end part for connecting the board-side connector of the main board, the end part can be a probe or a golden finger or the like, and is used for connecting the board-side connector of the main board, and of course, the other end needs to be connected with a wire, so that the wire is communicated with the main board.

The operation part is arranged on the fixing part 1 or the connecting part 2, the operation part is of a hard structure and is of a block structure with a large volume, and during actual operation, the operation part can be directly held by a plugging operation controller or a manipulator, so that plugging and unplugging of the mainboard are facilitated. Or the operator may directly control the operation portion by hand. Because the operation portion is blocky stereoplasm structure, no matter manipulator or manual operation can both be better hold and plug, avoided because the wire rod tip is less, can't realize carrying out the problem of picture peg on intensive mainboard.

On the basis of the above embodiment, the fixing portion 1 includes a fixing block 11 and a syringe 12 for fixing a probe needle sheath 14, a probe 15 is disposed inside the probe needle sheath 14, one end of the probe 15 extending out of the fixing block 11 is used for connecting the wire 3, and the other end of the probe 15 is used for communicating the connecting portion 2.

The fixing block 11 is connected with the syringe 12 through a screw or other fixing member, the inside of the syringe 12 is used for fixing the probe needle sheath 14, the probe 15 is installed inside the probe needle sheath 14, and the probe needle sheath 14 can be arranged in the syringe 12 in an interference fit manner or installed in the syringe 12 in a fixing member manner.

The probe cover 14 is used for mounting a probe 15, and the probe 15 is connected with a wire and a part of the connecting part 2 for connecting the end of the main board.

Be provided with the structure similar to the wire rod tip on connecting portion 2, this structure can be for the probe structure, perhaps be golden finger structure to the mainboard type adjustment that the type of this structure can be connected according to actual need because the type of mainboard board end connector is various, the mainboard type that this structure can be connected.

On the basis of the above embodiment, the fixed block 11 is provided with fixing screw holes for fixedly connecting the needle beds;

the connecting part 2 is connected with the needle cylinder 12 through an elastic piece 16, so that the connecting part 2 has a buffering effect with the fixing part 1 when the connecting part 2 is controlled by the plugging operation controller to move.

The needle bed is the structure of fixed position, conveniently fixes a position the fixed block, because the effect of fixed block is fixed overall structure on the FCT tool, therefore the needle bed is fixed relatively with the FCT tool.

Besides the fixed screw holes, the fixed block 11 can be connected with the needle bed through other fixing structures.

The purpose of setting up elastic component 16 is to realize buffering effect, connecting portion 2 specifically can be buffering guide block 13, and buffering guide block 13 and the cooperation of syringe 12 push down the in-process, and buffering guide block 13 at first contacts mainboard board end connector, but the position probably needs the adjustment or has lateral deviation with pushing down the orbit, and elastic component 16 can provide buffering effect for syringe 12 this moment, avoids leading to the inaccurate of plug because of reasons such as deviation, and damage mainboard board end connector.

It should be noted that, although the connection unit 2 and the syringe 12 are connected by the elastic member 16, so that the connection unit 2 and the syringe 12 have a certain moving space, in the moving range, the probe 15 and the probe of the connection unit 2 are always connected to the portion for connecting the main board end. It is understood that the area of the portion is large, and the probe 15 is always within the range of the portion to be connected to the portion in the movable range of the connecting portion 2 formed by the elastic member 16.

When the probe is used, one end of the probe 15 can be connected with a wire rod in a welding mode or the like, the probe sleeve 14 provided with the probe 15 is fixed in the fixed block 11, and the lower part of the probe 15 is connected with the part, used for connecting the main board, on the buffering guide block 13. Then, the buffer guide block 13 is held by the plugging operation controller and is inserted into the board-side connector of the main board. Because buffering guide block 13 has the stereoplasm structure, be convenient for realize holding of plug, can satisfy the stability that wire rod and mainboard are connected.

Alternatively, the number of the elastic members 16 may be an even number, and the elastic members are symmetrically disposed on the buffering guide block 13 to ensure the balance and stability of the structure, and to avoid the damage caused by the error. Meanwhile, the bottom of the buffering guide block can be the same as the shape of the wire end connector, and the pressing and guiding process plays a role in guiding.

Optionally, the part of the connecting portion 2 used for connecting the main board may be a probe 15, the surface of a probe needle sleeve 14 needs to be insulated, and a heat-shrinkable tube is sleeved on the needle sleeve, so that the short circuit phenomenon caused by the over-small distance of the needle sleeve is avoided.

With regard to the arrangement of the probe 15, if a larger probe 15 is selected, the direct consequence is that the probe needle sheath 14 is in close contact, resulting in a short circuit. Because the board end connector of the main board mostly adopts a blade type structure, the selection of the probe is also important, wherein, the four-claw probe can tightly clamp the board end connector of the main board by depending on the V-shaped structure.

In this embodiment, the fixed block 11, the syringe 12, or the buffer guide block 13 may be a hard block structure and have an operation portion for inserting and removing an operation controller or for direct control by an operator.

On the basis of the first embodiment, the fixing portion 1 is clamped and sleeved on the periphery of the wire 3, the connecting portion 2 is clamped and fixed with one side of the fixing portion 1, and is used for clamping the wire 3 extending from one side of the fixing portion 1, the wire 3 bypasses the connecting portion 2 and is connected to an FCT interface on the other side of the connecting portion 2, and the FCT interface is used for connecting a main board end connector.

The fixing part 1 is sleeved on the periphery of the wire 3, and if the plane of the fixing part 1 is a horizontal plane, the fixing part 1 aims to limit the movement of the wire 3 in the horizontal plane.

The connecting portion 2 is clamped and fixed to the fixing portion 1, and the wire 3 protruding from the fixing portion 1 side is clamped therein, thereby fixing the wire 3 in the longitudinal direction. The free end of the clamped wire 3 is connected with the FCT interface of the connecting part 2, the connecting part 2 can be a PCB (printed circuit board) or other structures with circuits, and the FCT interface on the connecting part 2 is connected with the FCT jig detection interface.

On the basis of the above embodiment, the fixing portion 1 includes a plurality of first PCB boards 21 stacked, the wires 3 extend into the drilled holes of the first PCB boards 21, the connecting portion 2 includes a second PCB board 22, and the wires 3 are soldered to the FCT interface.

A thickness of the first PCB 21 may be drilled in the middle of the hole, the shape and size of which is the same as the shape and size of the wire 3, and the wire 3 is inserted into the first PCB 21, thereby restricting the movement of the wire in the plane of the first PCB 21. Then, the second PCB 22 is controlled to press the wires 3 against the first PCB 21, so as to limit the movement of the wires in the drilled holes, thereby achieving the fixing function. One end of the wire 3 pressed at this time (i.e., the end near the second PCB 22) may be connected to the FCT probe interface on the second PCB. Optionally, a port for connecting a circuit to the FCT probe interface is disposed on the second PCB 22, and the port may be directly connected to the board-end connector of the main board.

In a more reliable embodiment, according to the above scheme, the three first PCB boards 21 with the thickness of 1 mm are used for limiting the movement of the wires 3 in the X and Y directions, and the second PCB board 22 with the same thickness is used for limiting the movement of the wires in the Z direction, so as to play a role of fixing the connector.

Because fixed with wire rod 3 through first PCB board 21 and second PCB board 22, consequently if pull wire rod 3 this moment, required power when then first PCB board 21 and second PCB board 22 can provide the plug guarantees the stability of plug.

In this embodiment, both the first PCB 21 and the second PCB 22 may be hard block structures and have an operation portion, wherein the operation portion may be a main structure of the PCB, so that the operation controller can be plugged or unplugged or an operator can directly control the operation controller.

On the basis of the first embodiment, the fixing part 1 includes a connection port for connecting the port of the wire 3, the connecting part 2 is provided with a groove 33, a gold finger 34 for connecting the board-side connector of the main board is arranged in the groove 33, and the connection port is in conduction connection with the gold finger 34.

Specifically, the fixing portion 1 is a first adapter plate 31, and the first adapter plate 31 is provided with a connection port, so that a common wire port can be directly connected. The connecting portion 2 is a second interposer 32, and the first interposer 31 and the second interposer 32 are connected by a circuit or have a conductive structure.

The second adapter plate 32 is provided with a groove 33 for inserting a gold finger 34, the connection with the main board is realized by the gold finger 34, and the gold finger 34 is in circuit connection with the first adapter plate 31.

On the basis of the above embodiment, the groove 33 is a longitudinal groove, and the gold finger 34 is vertically disposed in the groove 33, so that the groove 33 is connected with the board end interface of the main board end connector.

A recess 33 for inserting a gold finger 34 is provided on the second interposer 32, and a common gold finger is usually attached to the surface or laterally attached to the bottom of the recess. The gold finger 34 in this embodiment is vertically disposed in the groove 33 for mating with the blade-type board-end connector.

On the basis of the above embodiment, the fixing portion 1 and the connecting portion 2 are connected by welding; and/or the connecting part is provided with a mounting hole for fixing with the main plate end connector or the needle bed.

The first adapter plate 31 and the second adapter plate 32 may be welded, bonded, or otherwise fixedly connected, and the two form a fixed connection, which is beneficial to ensuring stable connection between the connection end of the wire 3 and the gold finger 34.

The mounting holes may be positioned to avoid the position where the gold fingers 34 are electrically connected to the first adapter plate 31, and the mounting holes may be provided with threads or other mounting members to facilitate mounting.

Optionally, the groove 33 is a milled groove, and the groove 33 corresponds to the blade structure of the main plate end connector.

In this embodiment, both the first adapter plate 31 and the second adapter plate 32 may be block-shaped hard structures and have an operation portion, wherein the operation portion may be a main structure of the first adapter plate 31 and the second adapter plate 32, so as to facilitate insertion and removal of an operation controller or direct control by an operator.

In addition to the connection structure of the FCT test fixture provided in the above embodiments, the present invention further provides an FCT test fixture including the connection structure disclosed in the above embodiments, the FCT test fixture includes a wire and a connection structure, wherein the wire can connect a fixing portion, the fixing portion is connected to the connection portion, and the connection portion is connected to the main board.

For the structure of other parts of the FCT test fixture, please refer to the prior art, which is not described herein.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The FCT test fixture and the connection structure thereof provided by the present invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. The utility model provides a connection structure of FCT test fixture which characterized in that includes: the connecting device comprises a fixing part (1) for connecting a wire (3) and a connecting part (2) for connecting a main board end connector, wherein the fixing part (1) is connected with the connecting part (2) and is used for conducting the wire (3) and the main board end connector; the fixing part (1) or the connecting part (2) is provided with an operating part which is used for connecting a plug-pull operation controller or is a block structure convenient for an operator to hold;

the fixing part (1) comprises a fixing block (11) and a needle cylinder for fixing a probe needle sleeve (14), a probe (15) is arranged in the probe needle sleeve (14), one end, extending out of the fixing block (11), of the probe (15) is used for connecting the wire (3), and the other end of the probe (15) is used for communicating the connecting part (2);

the fixed block (11) is provided with a fixed screw hole for fixedly connecting a needle bed;

the connecting part (2) is connected with the needle cylinder (12) through an elastic piece (16), so that when the connecting part (2) is controlled by the plugging operation controller to move, the connecting part and the fixing part (1) can have a transverse buffering effect relative to the plugging direction; the even number of elastic pieces (16) are symmetrically arranged on the buffering guide block (13);

fixed part (1) is including the connection port who is used for connecting wire rod (3) port, connecting portion (2) are provided with recess (33), be provided with golden finger (34) that are used for connecting mainboard slab end connector in recess (33), connection port with golden finger (34) turn-on connection.

2. The connection structure of the FCT test fixture according to claim 1, wherein the fixing portion (1) is clamped and sleeved on the periphery of the wire (3), the connecting portion (2) is clamped and fixed with one side of the fixing portion (1) for clamping the wire (3) extending from one side of the fixing portion (1) therein, the wire (3) bypasses the connecting portion (2) and is connected to the FCT interface on the other side of the connecting portion (2), and the FCT interface is used for connecting the board-end connector of the main board.

3. The connecting structure of an FCT testing fixture according to claim 2, wherein the fixing portion (1) comprises a plurality of stacked first PCB boards (21), the wires (3) extend into the holes of the first PCB boards (21), the connecting portion (2) comprises a second PCB board (22), and the wires (3) are soldered to the FCT interface.

4. The connection structure of the FCT test fixture according to claim 1, wherein the groove (33) is a longitudinal groove, and the gold finger is vertically disposed in the groove (33) so as to connect the groove (33) with the board end interface of the main board end connector.

5. The connection structure of the FCT test fixture of claim 4, wherein the connection part is provided with a mounting hole for fixing with a main board end connector or a needle bed.

6. The connection structure of the FCT test fixture according to claim 4, wherein the groove (33) is a milled groove, and the groove (33) corresponds to a blade structure of the main board end connector.

7. An FCT test fixture, comprising a wire and a connection structure, wherein the connection structure is the connection structure of the FCT test fixture of any one of claims 1 to 6.