CN221056552U

CN221056552U - Test device

Info

Publication number: CN221056552U
Application number: CN202322471193.6U
Authority: CN
Inventors: 张延�; 何东
Original assignee: Chengdu Srandway Technology Co ltd
Current assignee: Chengdu Srandway Technology Co ltd
Priority date: 2023-09-12
Filing date: 2023-09-12
Publication date: 2024-05-31
Anticipated expiration: 2033-09-12

Abstract

The utility model provides a testing device, and relates to the technical field of electronic product detection. The testing device comprises a bench, a tray and a testing mechanism; the rack comprises a rack base and a rack gantry arranged on the rack base; the test mechanism comprises a test bottom plate, a flying probe card, a fixed tray, a fixed plate and a driving assembly, wherein the test bottom plate is arranged on the rack base, and the tray is arranged on the test bottom plate and is configured to bear a tested board card; the driving component is arranged on the gantry and connected with the fixed tray to drive the fixed tray to move towards the direction close to the test bottom plate or away from the test bottom plate; the flying needle plate and the fixed plate are both arranged on the fixed tray, the flying needle plate is arranged between the fixed tray and the fixed plate and is provided with a probe, and the probe penetrates through a first through hole formed in the fixed plate. The testing device provided by the utility model solves the technical problems of easy error and low testing efficiency of manual testing in the prior art.

Description

Test device

Technical Field

The utility model relates to the technical field of electronic product detection, in particular to a testing device.

Background

In the prior art, the test of the board-card-level product is mainly carried out by manually testing the board device by using an external instrument, for example, impedance and voltage test is carried out on welding spots or test points of the board device by using a universal meter, signal input operation is carried out by using an external signal source to plug in a DuPont wire on the board connector, and the like, and the data obtained by the test are recorded manually and related test reports are provided.

The existing test mode is greatly influenced by human factors, and personnel operation errors such as wiring errors, input signal errors or short circuits caused by equipment pin false touch easily occur in the operation process, so that the product quality is influenced; in addition, the manual test needs to build a test environment in advance and prepare various equipment and instruments, so that the problem of low test efficiency exists.

Disclosure of utility model

The utility model aims to provide a testing device for relieving the technical problems of easiness in error and low testing efficiency of manual testing in the prior art.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows:

the testing device provided by the utility model comprises a bench, a tray and a testing mechanism;

the rack comprises a rack base and a rack gantry arranged on the rack base;

The test mechanism comprises a test bottom plate, a flying needle plate, a fixed tray, a fixed plate and a driving assembly, wherein the test bottom plate is arranged on the rack base, and the tray is arranged on the test bottom plate and is configured to bear a tested board card;

The driving component is arranged on the gantry of the rack and is connected with the fixed tray so as to drive the fixed tray to move towards the direction close to the test bottom plate or away from the test bottom plate;

The flying needle plate and the fixed plate are both arranged on the fixed tray, the flying needle plate is positioned between the fixed tray and the fixed plate and is provided with a probe, and the probe penetrates through a first through hole formed in the fixed plate.

Still further, the method further comprises the steps of,

The fixed plate and the fixed tray are arranged at intervals along the vertical direction.

Still further, the method further comprises the steps of,

The test mechanism further comprises a protection plate, the protection plate is located on one side, away from the fly needle plate, of the fixing plate, and the probe extends into a second through hole formed in the protection plate.

Still further, the method further comprises the steps of,

The protection plate and the fixing plate are arranged at intervals along the vertical direction.

Still further, the method further comprises the steps of,

The probe comprises a connecting part and a detecting head, one end of the connecting part is connected with the flying needle plate, the other end of the connecting part is connected with the detecting head, and the connecting part penetrates through the first through hole.

Still further, the method further comprises the steps of,

The driving assembly comprises a rotating handle, a mounting plate and a guide post;

the mounting plate is arranged on the gantry of the rack and is provided with a guide hole;

The guide post passes the guiding hole, and one end with rotate the handle and rotate to be connected, the other end with fixed tray deviates from the one side of flight faller is connected.

Still further, the method further comprises the steps of,

The mounting plate is adjustably connected with the gantry of the rack.

Still further, the method further comprises the steps of,

The rack is provided with a vertical beam, and the vertical beam is arranged along the vertical direction and is arranged on the rack base;

The fixed tray is provided with a third through hole, and the vertical beam penetrates through the third through hole to guide the movement direction of the fixed tray.

Still further, the method further comprises the steps of,

The gantry of the bench is provided with an interface board on one side deviating from the testing mechanism, and the interface board is installed on the gantry of the bench and is in signal connection with the testing bottom plate.

Still further, the method further comprises the steps of,

And a plug-in box limiting frame is arranged on one side of the interface board, which is away from the gantry.

In summary, the technical effects achieved by the utility model are analyzed as follows:

The testing device provided by the utility model comprises a bench, a tray and a testing mechanism; the rack comprises a rack base and a rack gantry arranged on the rack base; the test mechanism comprises a test bottom plate, a flying probe card, a fixed tray, a fixed plate and a driving assembly, wherein the test bottom plate is arranged on the rack base, and the tray is arranged on the test bottom plate and is configured to bear a tested board card; the driving component is arranged on the gantry and connected with the fixed tray to drive the fixed tray to move towards the direction close to the test bottom plate or away from the test bottom plate; the flying needle plate and the fixed plate are both arranged on the fixed tray, the flying needle plate is arranged between the fixed tray and the fixed plate and is provided with a probe, and the probe penetrates through a first through hole formed in the fixed plate.

When the test device is used, the driving assembly drives the fixed tray to move in the direction close to or far from the test bottom plate, so that the flying probe plate arranged on the fixed tray moves in the direction close to or far from the test bottom plate, the probe is connected with the test point on the tested board card carried on the fixed tray, and the tested board card is electrified, powered off, signal input, signal acquisition and the like through the test bottom plate, thereby realizing automatic test and improving the test efficiency; in addition, because the position of the probe is fixed, the problem that the wiring error is touched by mistake caused by artificial factors in the test process can be avoided, and the automatic test can prevent the problems of power supply error and signal input error. In addition, the probe passes through the first through hole of locating the fixed plate, and first through hole plays spacing effect to the probe.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a testing apparatus according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a second embodiment of a testing apparatus;

Fig. 3 is a schematic structural diagram of a probe in the test apparatus according to the embodiment of the present utility model.

Icon:

100-rack; 110-a gantry base; 120-gantry; 130-vertical beams;

200-trays;

310-testing a bottom plate; 320-flying needle plate; 321-probes; 322-connection; 323-a detector head; 330-fixing the tray; 340-a fixing plate; 350-a drive assembly; 351-turning the handle; 352-mounting plate; 353-a guide post; 360-protecting the board;

410-interface board; 420-plug-in box limit frame.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Some embodiments of the present utility model are described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without conflict.

The testing device provided by the embodiment of the utility model comprises a bench 100, a tray 200 and a testing mechanism; the gantry 100 includes a gantry base 110 and a gantry 120 mounted to the gantry base 110; the test mechanism comprises a test base 310, a flying probe card 320, a fixed tray 330, a fixed plate 340 and a driving assembly 350, wherein the test base 310 is arranged on the rack base 110, and the tray 200 is arranged on the test base 310 and is configured to bear a tested board card; the driving assembly 350 is mounted on the gantry 120 and connected to the fixed tray 330 to drive the fixed tray 330 to move toward the test base 310 or away from the test base 310; the flyer plate 320 and the fixing plate 340 are both mounted on the fixing tray 330, the flyer plate 320 is located between the fixing tray 330 and the fixing plate 340 and is provided with a probe 321, and the probe 321 passes through a first through hole provided in the fixing plate 340.

Specifically, referring to fig. 1 to 3, the test board 310 is configured as a control circuit PCB board, and includes a control module, an acquisition module, a power interface, a BNC signal interface, and a control signal interface. The probe 321 is provided as an elastic metal probe.

When the test device is used, the driving assembly 350 drives the fixed tray 330 to move towards the direction close to the test bottom plate 310 or away from the test bottom plate 310, so that the flying probe plate 320 arranged on the fixed tray 330 moves towards the direction close to the test bottom plate 310 or away from the test bottom plate 310, further the probe 321 is connected with a test point on a tested board card carried on the fixed tray 330, and the tested board card is electrified, powered off, signal input, signal acquisition and the like through the test bottom plate 310, thereby realizing automatic test and improving test efficiency; in addition, because the position of the probe 321 is fixed, the problem that the wiring error is touched by mistake caused by artificial factors in the test process can be avoided, and the automatic test can prevent the problems of power supply error and signal input error. In addition, the probe 321 passes through a first through hole provided in the fixing plate 340, and the first through hole plays a limiting role on the probe 321.

The structure and shape of the test device are described in detail below:

In an alternative of the embodiment of the present utility model, the fixing plate 340 and the fixing tray 330 are spaced apart in the vertical direction.

The fixed tray 330 is connected with the faller board 320 through a first connection post, and the faller board 320 is connected with the fixed board 340 through a second connection post. The first connecting column and the second connecting column realize corresponding part connection, and realize that fixed tray 330, flyer plate 320 and fixed plate 340 set up along vertical direction interval in proper order, and then realize that first through-hole is located the position of probe 321 downside, protect probe 321.

In an alternative embodiment of the present utility model, the testing mechanism further includes a protection plate 360, where the protection plate 360 is located on a side of the fixing plate 340 away from the faller 320, and the probe 321 extends into a second through hole provided in the protection plate 360.

Specifically, the second through hole is disposed corresponding to the first through hole, and the probe 321 penetrates through the first through hole and then extends into the second through hole. Further, the probe 321 is provided as an elastic metal probe and soldered to the faller bar 320.

The protection board 360 is located below the probe 321, and a tester stretches hands into the lower part of the flying probe board 320 to pick up and place the tested board card, only touches the protection board 360, but does not touch the probe 321, so that the protection effect on the probe 321 is realized.

In an alternative embodiment of the present utility model, the protection plate 360 is spaced apart from the fixing plate 340 in the vertical direction.

Specifically, only the end of the probe 321 protrudes slightly beyond the protection plate 360, so as to realize the protection effect of the protection plate 360 on the probe 321.

In an alternative embodiment of the present utility model, the probe 321 includes a connection portion 322 and a probe head 323, one end of the connection portion 322 is connected to the faller 320, the other end is connected to the probe head 323, and the connection portion 322 passes through the first through hole.

The connection portion 322 is provided in a cylindrical shape, the probe 323 is provided in a conical shape, and only a tip of the conical shape slightly protrudes from the protection plate 360.

In an alternative embodiment of the present utility model, the drive assembly 350 includes a rotating handle 351, a mounting plate 352, and a guide post 353; the mounting plate 352 is mounted on the gantry 120 and provided with a guide hole; the guide pole 353 passes through the guide hole and has one end rotatably connected to the rotary handle 351 and the other end connected to the side of the fixed tray 330 facing away from the faller bar 320.

Specifically, the mounting plate 352 includes a guide portion having a guide hole, the guide portion being disposed in a vertical direction, and the guide column 353 is fitted with the guide portion and passes through the guide hole such that the guide column 353 is disposed to extend in the vertical direction. The rotating handle 351 is installed at one end of the guide post 353 away from the faller 320, the rotating handle 351 is rotated to be perpendicular to the guide post 353 when the fixed tray 330 is not required to be moved, the rotating handle 351 is rotated to be in line with the guide post 353 when the fixed tray 330 is required to be moved, and the guide post 353 drives the fixed tray 330 to move in the vertical direction by acting on the rotating handle 351.

The handle 351 is turned to lock or unlock the fixed tray 330, and the guide column 353 drives the fixed tray 330.

In an alternative embodiment of the present utility model, the mounting plate 352 is adjustably coupled to the gantry 120.

Specifically, the gantry 120 is provided with a plurality of mounting holes spaced apart in a vertical direction, and screws pass through the mounting plate 352 to be connected with the mounting holes. The mounting position of the mounting plate 352 is adjusted by adjusting the counter hole connected with the screw.

The mounting plate 352 is adjustably connected with the gantry 120 to adjust the mounting plate 352 according to the movement stroke of the faller 320, so that the driving assembly 350 satisfies the driving stroke of the faller 320.

In an alternative of the embodiment of the present utility model, the stand 100 is provided with a vertical beam 130, and the vertical beam 130 is disposed along a vertical direction and is mounted on the stand base 110; the fixed tray 330 is provided with a third through hole through which the vertical beam 130 passes to guide the movement direction of the fixed tray 330.

Specifically, the stage base 110 is provided as a square body having a cavity, and internally mounts electronic components connected to the test base 310. The vertical beams 130 and the third through holes are all provided with a plurality of, the plurality of vertical beams 130 are arranged at intervals along the length direction and the width direction of the rack base 110, and the plurality of third through holes are in one-to-one sliding fit with the plurality of vertical beams 130.

The vertical beam 130 plays a role of guiding the movement of the fixed tray 330, and improves the movement stability of the fixed tray 330.

In an alternative embodiment of the present utility model, an interface board 410 is disposed on a side of the gantry 120 facing away from the testing mechanism, and the interface board 410 is mounted on the gantry 120 and is in signal connection with the testing bottom board 310.

Specifically, an interface board 410 is disposed on a side of the gantry 120 facing away from the driving assembly 350, and a fixing member is disposed on a circumference of the interface board 410 and is fixedly disposed on the gantry 120.

The fasteners are used to provide support to the interface board 410.

In an alternative embodiment of the present utility model, a card box limiting frame 420 is disposed on a side of the interface board 410 facing away from the gantry 120.

Specifically, the test backplane 310 further includes interface board 410 connectors, board 96 under test core probe 321 slots, and the like. The interface board 410 connector is used to plug the interface board 410. According to the actual requirements of the usage, different interface boards 410 can be replaced to meet the different testing requirements of the tested board. The card box limiting frame 420 is located on the rack base 110, and the card box limiting frame 420 is located on one side of the interface board 410, which is away from the rack gantry 120, and the card box limiting frame 420 is used for positioning a tested board card with a card box.

The interface board 410 provides signals to the board under test through the sockets on the test backplane 310 and the cassette stop block 420 is used to position the board under test with sockets and cassettes mounted thereto.

In an alternative embodiment of the present utility model, the gantry base 110 and gantry 120 are fabricated from an anti-static wood. Further, the fixing plate 340 and the protection plate 360 are made of acryl.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. A test device, comprising: a bench, a tray and a test mechanism;

the rack comprises a rack base and a rack gantry arranged on the rack base;

2. The test device of claim 1, wherein the fixed plate and the fixed tray are disposed at intervals in a vertical direction.

3. The test device of claim 1, wherein the test mechanism further comprises a protective plate, the protective plate is located on a side of the fixed plate facing away from the faller bar, and the probe extends into a second through hole provided in the protective plate.

4. A test device according to claim 3, wherein the protective plate is spaced apart from the fixed plate in a vertical direction.

5. The test device of claim 1, wherein the probe comprises a connection portion and a probe head, one end of the connection portion is connected to the flying probe board, the other end is connected to the probe head, and the connection portion passes through the first through hole.

6. The test device of claim 1, wherein the drive assembly comprises a rotating handle, a mounting plate, and a guide post;

7. The test device of claim 6, wherein the mounting plate is adjustably coupled to the gantry of the gantry.

8. The test device according to claim 1, wherein the rack is provided with a vertical beam, which is arranged in a vertical direction and mounted to the rack base;

9. The test device of any one of claims 1-8, wherein an interface board is provided on a side of the gantry facing away from the test mechanism, the interface board being mounted to the gantry and in signal connection with the test floor.

10. The test device of claim 9, wherein a side of the interface board facing away from the gantry is provided with a cartridge stop frame.