CN218068160U

CN218068160U - Detection module and detection tool

Info

Publication number: CN218068160U
Application number: CN202221275140.6U
Authority: CN
Inventors: 刘文波
Original assignee: Suzhou HYC Technology Co Ltd
Current assignee: Suzhou HYC Technology Co Ltd
Priority date: 2022-05-25
Filing date: 2022-05-25
Publication date: 2022-12-16
Anticipated expiration: 2032-05-25

Abstract

The embodiment of the utility model provides a detection module and detection tool, detection module includes: mounting a plate; a slide block which is matched with the mounting plate in a sliding way along the Z direction; the needle clamp connecting plate is connected to the sliding block and can rotate relative to the sliding block in an X plane and a Y plane; and the pin card assembly is fixed on the pin card connecting plate and is configured to be used for carrying out electrical defect testing on the display module. The utility model provides a detection module is used for connecting the circular telegram test such as screen or integrated circuit's electrical property, optical property, and the needle card connecting plate can rotate for the slider in X, Y plane, realizes the fine setting of needle card subassembly and display module assembly counterpoint crimping position from this, improves the counterpoint precision between needle card subassembly and the display module assembly, and the stability of crimping switch-on back test data.

Description

Detection module and detection tool

Technical Field

The utility model relates to a display module assembly detects technical field. And more particularly, to a testing module and a testing fixture.

Background

Display modules such as touch screens are currently used as important components of most electronic devices, and before leaving a factory, an electrical defect test needs to be performed on an uncut display module to determine whether each electrode of the display module is open-circuited and whether adjacent electrodes are short-circuited. The display modules are arranged on the substrate, and after the substrate is arranged on the detection device, the display modules and external detection equipment are electrically conducted by the aid of the compression joint conduction device of the detection device, so that the display modules are detected. In the existing detection mode, a single pin card assembly is mostly adopted or the pin card assembly is divided into a plurality of groups, and then the products are subjected to compression joint test one by one or one by one.

Although the quantity of the inspection annunciators and the pin cards is saved in the compression joint test of the pin card assemblies one by one, the cost is reduced, the test time is greatly prolonged, and the production efficiency is low.

When using multiunit needle card subassembly to carry out the electrical defect test respectively to a plurality of display module assemblies, multiunit needle card subassembly is because only having the motion ability for display module assembly in vertical side, can't guarantee in the actual test process that every needle card subassembly homoenergetic is counterpointed accurately with the display module assembly that corresponds, realizes stable crimping and switches on, easily appears the display module assembly and misses the condition of examining from this.

SUMMERY OF THE UTILITY MODEL

In view of the above problem, an object of the utility model is to provide a detection module to solve current detection module and display module assembly counterpoint crimping and switch on, often appear counterpoint precision not high, test data poor stability scheduling problem.

Another object of the utility model is to provide a detection tool including above-mentioned detection module to solve multiunit detection module and use simultaneously when testing a plurality of display module assembly the problem that the uniformity is not enough etc.

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

according to the utility model discloses an aspect, the utility model provides a detection module, detection module includes:

mounting a plate;

a slide block which is matched with the mounting plate in a sliding way along the Z direction;

the needle card connecting plate is connected to the sliding block and can rotate relative to the sliding block in an X plane and a Y plane; and

the pin card assembly is fixed on the pin card connecting plate and is configured to be used for testing the electrical defects of the display module.

Furthermore, it is preferable that the detection module further includes an adjustment mechanism; the adjusting mechanism comprises two adjusting screw rods which are arranged along the Y direction along the axial direction, the two adjusting screw rods are respectively arranged at two ends of the needle clamp connecting plate along the X direction, and the two adjusting screw rods are in threaded connection with the needle clamp connecting plate;

the two adjusting screws are used for adjusting the rotation angle of the pin card connecting plate relative to the sliding block in the X plane and the Y plane.

In addition, preferably, the pin clamping connection plate is connected to the sliding block through a contour screw arranged along the Z direction in the axial direction; the sliding block comprises a through hole for the equal-height screw to pass through, and an adjusting gap is reserved between the hole wall of the through hole and the outer wall of the equal-height screw.

In addition, preferably, the number of the equal-height screws is two, and the two equal-height screws are arranged along the X direction.

Furthermore, it is preferable that the slider is fixed to the mounting plate by an adjusting bolt; the adjustment bolt is configured to adjust a height of the slider in the Z direction.

According to another aspect of the present invention, the present invention further provides a detection jig, which comprises a jig plate and a plurality of detection modules as described above;

and the detection modules are arranged along the X direction and are arranged on the jig plate.

In addition, it is preferable that the distance between two adjacent detection modules in the X direction is adjustable.

In addition, the preferred scheme is that the mounting panel is provided with an assembling plate, the assembling plate is provided with a strip-shaped mounting hole extending along the X direction, and the jig plate is provided with an assembling hole corresponding to the strip-shaped mounting hole.

In addition, preferably, the jig board comprises a signal substrate, and the pin card flexible circuit of the pin card assembly is wired at the bottom of the pin card connecting board and forms electrical signal connection with the signal substrate;

in addition, preferably, the jig board comprises a transfer substrate, and the transfer substrate is configured to form electrical signal connection between the pincard assembly and the signal substrate;

the switching base plate comprises:

a first connector connected to the pin card flexible circuit of the pin card assembly, and

and a second connector electrically connected to the signal substrate via a flexible circuit for switching.

The beneficial effects of the utility model are as follows:

the utility model provides a detection module is used for connection circular telegram tests such as screen or integrated circuit's electrical property, optical property, can select to realize the test to display module assembly wanting the product position installation of test wanting wantonly. The needle card connecting plate can rotate for the slider in X, Y plane, realizes the fine setting of needle card subassembly and display module assembly counterpoint crimping position from this, improves the counterpoint precision between needle card subassembly and the display module assembly, and the crimping switches on the stability of back test data.

When the products arranged in a matrix form are simultaneously subjected to row-by-row or column-by-column simultaneous connection testing, the positions of the multiple groups of used detection modules are adjustable, and the positions of the pin card connecting plates on the X plane and the Y plane are adjusted to ensure the consistency of a plurality of pin card assemblies of the multiple groups of detection modules in the X plane and the Y plane, so that the product detection efficiency is improved, and the condition of missing detection is avoided. Furthermore the utility model provides a detection tool is compatible strong, to the product of whole row or permutation, the needle card subassembly can freely alternate combination quantity according to the demand.

Drawings

The following describes the embodiments of the present invention in further detail with reference to the attached drawings.

Fig. 1 shows one of the schematic structural diagrams of the detection module according to an embodiment of the present invention.

Fig. 2 shows a second schematic structural diagram of a detection module according to an embodiment of the present invention.

Fig. 3 shows a side view of a detection module provided by an embodiment of the present invention.

Fig. 4 shows a rear view of a detection module according to an embodiment of the present invention.

Fig. 5 shows a detection fixture including the detection module shown in fig. 1 to 4 according to an embodiment of the present invention.

Fig. 6 is a schematic diagram illustrating the connection of the detection module with the signal substrate and the interposer substrate shown in fig. 1 to 4.

Fig. 7 is a schematic structural diagram of a detection module according to another embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures associated with the present invention are shown in the drawings, not all of them.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings, and are only for convenience of description and simplification of operation, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to be limiting.

The detection module provided by this embodiment is mainly used for testing electrical defects of display modules such as touch screens, and is particularly used for testing electrical performance, optical performance and other connection and energization of screens or integrated circuits.

In order to carry out the electrical defect test to display module assembly, can adopt the needle card subassembly to lead to in order to realize and display module assembly between the electric conductance, display module assembly is including the electric conductance contact jaw that realizes the electric conductance with the needle card subassembly, and the needle card subassembly is also including being used for the electric contact surface with display module assembly electric conductance contact jaw crimping contact, needle card subassembly electric contact surface leads to contact jaw crimping contact and to display module assembly transmission signal of telecommunication with display module assembly electric conductance, in order to realize stable crimping conduction test between the two, according to the utility model discloses an aspect, the utility model discloses at first provide a detection module structure, combine figure 1 to figure 4 shown, specifically, detection module 10 includes: a mounting plate 1; a slide block 2 which is matched with the mounting plate 1 in a sliding way along the Z direction; the display module comprises a pin card connecting plate 3 connected to the sliding block 2 and a pin card assembly 4 fixed on the pin card connecting plate 3, wherein in the technical scheme, the pin card connecting plate 3 can rotate relative to the sliding block 2 in X and Y planes, and the pin card assembly 4 is configured to be used for testing electrical defects of the display module. Slider 2 is furnished with guide rail structure 21, guide rail structure 21 sets up and fixed and mounting panel 1 along the Z direction on, utilize slider 2 to drive needle card connecting plate 3 and be located the needle card subassembly 4 up-and-down motion on the needle card connecting plate 3 along the slip of Z direction to mediate the distance between needle card subassembly 4 and the display module assembly, when having the detection module 10 that the multiunit set up side by side, utilize the upper and lower adjustable of needle card subassembly 4, can make multiunit needle card subassembly 4 be located same level, carry out the electrical defect test simultaneously for multiunit display module assembly. In this embodiment, the pin card connecting plate 3 can rotate relative to the slider 2 in the X and Y planes, so that the fine adjustment of the alignment and crimping positions of the pin card assembly 4 and the display module is realized, the alignment precision between the pin card assembly 4 and the display module is improved, and the stability of test data after crimping conduction is improved. Especially when the products arranged in a matrix form are simultaneously connected and tested in a whole row or a whole column, the positions of the multiple groups of used detection modules are adjustable, and the consistency of the multiple needle card assemblies 4 of the multiple groups of detection modules in X and Y planes can be ensured by adjusting the positions of the needle card connecting plates 3 in the X and Y planes, so that the product detection efficiency is improved, and the condition of missing detection is avoided.

Referring to fig. 1 to 4, in a technical solution that the pin card connecting plate 3 can rotate relative to the slider in the X and Y planes, the detection module 10 further includes an adjusting mechanism; the adjusting mechanism comprises two adjusting screw rods 5 which are arranged along the Y direction along the axial direction, the two adjusting screw rods 5 are respectively arranged at two ends of the needle clamp connecting plate 3 along the X direction, and the two adjusting screw rods 5 are in threaded connection with the needle clamp connecting plate 3; the two adjusting screws 5 are provided to adjust the rotation angle of the pin chuck plate 3 relative to the slider 2 in the X, Y plane.

In a specific embodiment, after the inner ends of the adjusting screws 5 are abutted and fixed, the two adjusting screws 5 are rotated in opposite directions to each other to generate a relative displacement in the Y direction, which can make the pincard connection plate 3 rotate in the X and Y planes by a certain angle relative to the slider 2, and the pincard connection plate 3 rotates in the X and Y planes relative to the slider 2, limited by the abutting and fixing of the inner ends of the two adjusting screws 5, and the rotation angle of the pincard connection plate 3 is always controlled by the two adjusting screws 5 to generate a relative displacement in the Y direction, thereby adjusting the alignment positions of the pincard assembly 4 and the display module, and adjusting the positions of the plurality of sets of detecting modules 10, so that the positions of the detecting modules 10 in each set can be unified, and the simultaneous testing of the plurality of sets of display modules can be realized.

With reference to the structure shown in fig. 1, optionally, the two ends of the pin card connecting plate 3 include the extended mounting portions 31, the adjusting screws 5 pass through the mounting portions 31 and are screwed with the mounting portions 31, and the two adjusting screws 5 are respectively disposed at the two ends of the pin card connecting plate 3, so as to facilitate the adjustment of the rotation angle of the pin card connecting plate 3 relative to the slider 2 by the operation of a human operator. It is understood that, in order to realize the angle adjustment of the pincard connection plate 3 in the X and Y planes, the inner end of the adjusting screw 5 should be fixed in abutment, including but not limited to the inner end of the adjusting screw 5 being fixed in abutment with the peripheral structure of the detection jig.

In one embodiment, the pin card connecting plate 3 is connected to the sliding block 2 through a contour screw 6 arranged along the Z direction in the axial direction; the sliding block 2 comprises a through hole for the equal-height screw 6 to pass through, and an adjusting gap is reserved between the hole wall of the through hole and the outer wall of the equal-height screw 6. Optionally, the slider 2 includes a fixing portion 22 connected to the rail structure 21, and a connecting portion 23 extending from the fixing portion 22, and the pin connecting plate 3 is mounted on the connecting portion 23. Specifically, the needle card connecting plate 3 is installed through equal-height screw 6 in the bottom of connecting portion 23, needle card subassembly 4 is installed in the one side that deviates from connecting portion 23 of needle card connecting plate 3 to form and dodge the structure, in order to make things convenient for needle card subassembly 4 and display module's crimping electric conductance to communicate.

The utility model discloses among the technical scheme that the figure provided, utilizing the utility model provides a detection module 10 carries out the electrical defect test process to display module assembly, only need guarantee in certain circumstances that pincard subassembly 4 can finely tune for display module assembly electricity conductance contact jaw angle in X, Y plane can, including but not limited to as shown in this embodiment figure high screw 6's quantity be two. As shown in the accompanying drawings, in the present embodiment, the number of the equal-height screws 6 may be two, the two equal-height screws 6 are arranged along the X direction, the two equal-height screws 6 can rotate the pin card connecting plate 3 relative to the slider 2 in the X and Y planes by a certain angle, and the two equal-height screws arranged along the X direction can limit the maximum rotation angle of the pin card connecting plate 3 relative to the slider 2, so as to reduce the initial alignment deviation between the electrically conductive contact ends of the pin card assembly 3 and the display module, and avoid the occurrence of an excessive angle adjustment and a complicated repeated alignment adjustment process. In addition, based on the setting of the adjustment gap, the needle card connecting plate 3 can also be finely adjusted in the left and right positions in the X direction relative to the slider 2 under the action of external force, and it can be understood that no matter the needle card connecting plate 3 rotates in the X and Y planes or is finely adjusted in the left and right positions in the X direction, the equal-height screws need to be loosened in the initial adjustment stage, when the position adjustment between the needle card assembly 4 and the display module is completed and the needle card connecting plate 3 and the slider 2 need to be fixed, the equal-height screws 6 are screwed, and the equal-height screws 6 press the slider 2 in the Z direction to fix the needle card connecting plate 3 and the slider 2, so that the needle card assembly 4 is fixed and positioned.

Referring to fig. 1 and 2, in the structure of the detection module 10, the sliding block 2 is fixed to the mounting plate 1 by an adjusting bolt 11; the adjustment bolt 11 is configured to adjust the height of the slider 2 in the Z direction. In this embodiment, the axial direction of the adjusting bolt 11 is arranged along the Z direction, the adjusting bolt 11 passes through the bottom end portion of the mounting plate 1 and is fixed to the slider 2, and the position of the slider 2 in the Z direction relative to the mounting plate 1 can be adjusted by the adjusting bolt 11. When the detection module that the multiunit set up side by side carries out the electrical defect test to multiunit display module assembly, utilize adjusting bolt 11 can make the electrical contact surface adjustment of the needle card subassembly 4 of multiunit detection module to the coplanar to make the crimping electric conduction between needle card subassembly 4 and the display module assembly more reliable, stable. Optionally, a guide post 13 is included between the slider 2 and the mounting plate 1 to provide a guide for the movement of the slider 2 in the Z direction.

In one embodiment, the slider 2 includes a top thread 24, and the top thread 24 is configured to tighten the end of the top thread 24 against the adjusting bolt 11 after being screwed, so as to fix the position of the slider 2, the pin card connecting plate 3 assembled on the slider 2, and the pin card assembly 4 relative to the mounting plate 1 in the Z direction.

According to another aspect of the present invention, the present invention further provides a detection jig, which can be combined with and shown in fig. 1 to 5, specifically, the detection jig includes a jig plate 7, and a plurality of detection modules 10 as described above; the detection modules 10 are arranged along the X direction and are mounted on the jig plate 7. The products arranged in a matrix form are simultaneously subjected to whole-row or whole-column simultaneous connection testing through the detection jig, so that the detection efficiency is improved, and the needle card assembly 4 can freely change the combination quantity according to the requirements for the products arranged in whole rows or whole columns. The distance between two adjacent detection modules in the X direction is adjustable so as to be compatible with products with different specifications and sizes, and the detection device is convenient to operate and high in compatibility.

In another specific embodiment, referring to fig. 7, the mounting plate 1 includes a mounting plate 12, the mounting plate 12 includes a strip-shaped mounting hole 121 extending along the X-direction, and the jig plate 7 includes a mounting hole corresponding to the strip-shaped mounting hole 121.

Optionally, the mounting panel and mounting panel structure as an organic whole, the mounting panel by the mounting panel extends and forms, also can if the utility model discloses the drawing is shown, mounting panel 1 and mounting panel 12 are two independent structures, and detection module is fixed in on mounting panel 12 through mounting panel 1, and by mounting panel 12 is installed on tool board 7. Two kinds of structural style respectively have an advantage, specifically, when mounting panel and assembly plate are two independent structures, its advantage that has lies in, for the tool board can be according to actual test needs under the circumstances that does not influence a plurality of detection module interval adjustables, the detection module of cooperation installation different structure types or model on the tool board, make things convenient for the mixed use of the detection module of different functions, the regulation of the mounted position between the different function detection module is unrestricted, reduce single detection module's cost of manufacture. When the assembly plate and the mounting plate are of an integrated structure, the assembly plate has the advantages that the mounting process of the detection modules can be simplified, and the detection modules with required number can be directly mounted on the jig plate according to actual needs to be used. Therefore, the utility model is not limited.

In this embodiment, the assembly plate 12 includes two bar-shaped mounting holes 121, and the two bar-shaped mounting holes 121 are respectively arranged on two sides of the slider 2 in the Y direction, so as to ensure the stability of the mounting of the detection module and the levelness in the X and Y planes.

In this embodiment, as shown in fig. 6 in combination with fig. 1 to 5, the jig board 7 includes a signal substrate 8, and the flexible pin card circuit of the pin card assembly 4 is routed from the bottom of the pin card connecting board 3 and forms an electrical signal connection with the signal substrate 8; one signal substrate corresponds to at least one detection module 10. In other words, one signal substrate corresponds to one detection module, or one signal substrate may correspond to a plurality of detection modules, which is not limited herein.

As the pincard flexible circuit of the pincard assembly 4 is routed from the bottom of the pincard connection board 3, in order to facilitate the pincard flexible circuit to form an electrical signal connection with the signal substrate 8, referring to fig. 6, in an embodiment, the jig board 7 includes a switching substrate 9, and the switching substrate 9 includes a first connector connected with the pincard flexible circuit of the pincard assembly 4 and a second connector electrically connected with the signal substrate 8 through a flexible circuit for switching. The interposer substrate 9 is configured to provide electrical signal connection between the pincard assembly 4 and the signal substrate 8. The design can shorten the wiring length of the flexible circuit of the pin card, avoid interference influence between the flexible circuit and a product, and reduce the use amount of the signal substrate by using one signal substrate corresponding to a plurality of detection modules, thereby effectively controlling the cost.

The signal board 8 generally includes a signal board connector for connecting with the adapter board 9 and a board connector male for mating with a female connector on the inspection equipment. In one embodiment, the external dimensions of the signal substrate 8 can be designed in advance, the internal routing of the signal substrate 8, and the position of the signal substrate connector on the signal substrate 8 for connecting with the interposer substrate 9 can be designed individually according to the inspection equipment. The signal substrate reserves mounting holes, 22 groups of mounting holes can be reserved, hole site mounting is selected according to the position of a product to be tested, and a male head of a substrate connector and a female head on detection equipment included on the signal substrate can be accurately aligned without adjustment after mounting.

In a preferred embodiment, the jig plate 7 includes a scale, the scale is arranged along the X direction, the mounting plate 1 of the detection module includes a reticle corresponding to the scale, when the scale on the jig plate 7 is used for replacing the model of the detection module, the position of the detection module on the jig plate is initially adjusted to be in place, and then the position of the detection module can be finely adjusted by a manual mode, including but not limited to manual mode.

Obviously, the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and it is obvious for those skilled in the art to make other variations or changes based on the above descriptions, and all the embodiments cannot be exhausted here, and all the obvious variations or changes that belong to the technical solutions of the present invention are still in the protection scope of the present invention.

Claims

1. A detection module, characterized in that the detection module comprises:

mounting a plate;

2. The detection module of claim 1, further comprising an adjustment mechanism; the adjusting mechanism comprises two adjusting screw rods arranged along the Y direction in the axial direction, the two adjusting screw rods are respectively arranged at two ends of the needle clamp connecting plate along the X direction, and the two adjusting screw rods are in threaded connection with the needle clamp connecting plate;

3. The detection module of claim 1, wherein the pin clamping connection plate is connected to the slider by a contour screw axially disposed along the Z-direction; the sliding block comprises a through hole for the equal-height screw to pass through, and an adjusting gap is reserved between the hole wall of the through hole and the outer wall of the equal-height screw.

4. The detection module of claim 3, wherein the number of the equal-height screws is two, and the two equal-height screws are arranged along the X direction.

5. The detection module of claim 1, wherein the slider is secured to the mounting plate by an adjustment bolt; the adjustment bolt is configured to adjust a height of the slider in the Z direction.

6. An inspection jig, comprising a jig plate and a plurality of inspection modules according to any one of claims 1 to 5;

7. The inspection tool of claim 6 wherein the spacing between two adjacent inspection modules in the X direction is adjustable.

8. The inspection jig of claim 6, wherein the mounting plate comprises a mounting plate, the mounting plate comprises a strip-shaped mounting hole extending along the X-direction, and the jig plate comprises a mounting hole corresponding to the strip-shaped mounting hole.

9. The inspection jig according to claim 6, wherein the jig board includes a signal substrate thereon, and the pincard flexible circuit of the pincard assembly is routed from the bottom of the pincard connection board and forms an electrical signal connection with the signal substrate;

one signal substrate corresponds to at least one detection module.

10. The inspection fixture of claim 9, wherein the fixture board includes an interposer substrate thereon, the interposer substrate being configured to provide electrical signal connection between the pincard assembly and the signal substrate;

the switching base plate comprises: