CN216209325U - Detection device - Google Patents

Abstract

The utility model provides detection equipment for detecting a socket on a PCB (printed circuit board), which comprises a carrier plate, a mounting plate and a butt joint device, wherein the carrier plate is provided with a plurality of through holes; the mounting plate is arranged above the carrier plate; the butt joint device is positioned above the carrier plate; the docking device comprises a driving unit connected to the mounting plate, a probe connected below the driving unit, and a switching seat. After the PCB to be detected is supported and limited on the support plate, the driving unit drives the probe to move downwards, so that the upper part of the socket on the probe moves downwards and is contacted with the corresponding pin of the corresponding socket to form a passage between the probe and the pin, and the adapter is electrically connected with the probe and is connected with an external plug, so that the probe and the adapter form a passage between the socket of the PCB and the external plug to be used for detecting the socket. Through interfacing apparatus, the effectual artifical plug wire detection of having avoided on the PCB board shortens check-out time, the effectual efficiency that improves the detection.

Description

Detection device

Technical Field

The utility model relates to the technical field of circuit board detection, in particular to detection equipment.

Background

A printed Circuit board (pcb), also called printed Circuit board (pcb), is an important electronic component, is a support for electronic components, is a carrier for electrical connection of electronic components, and is developed from single-layer to double-sided, multi-layer and flexible printed Circuit boards, and still keeps their own development trend.

In order to ensure that the PCB can normally operate in a final product, after the PCB is manufactured, a circuit of the PCB needs to be subjected to on-off test so as to ensure that the PCB can be normally used. In the related art, when a socket on a PCB is tested, the socket and the circuit of the PCB are usually tested by connecting and disconnecting the corresponding plug and the socket. However, the plug is easily damaged by plugging and unplugging, and a certain time is required to be consumed, especially for a part of flip type sockets, the flip needs to be manually opened, which affects the detection efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a detection device for socket detection of a PCB (printed circuit board), so that the detection efficiency can be improved.

In order to solve the technical problems, the utility model adopts the following technical scheme:

according to one aspect of the utility model, the utility model provides a detection device for detecting a socket on a PCB, which comprises a carrier plate, a mounting plate and a butting device; the carrier plate is used for supporting and limiting the PCB; the mounting plate is arranged above the carrier plate; the butt joint device is positioned above the carrier plate; the butt joint device comprises a driving unit connected to the mounting plate, a probe connected below the driving unit and a switching seat; the driving unit can drive the probe to move vertically, so that the probe can extend into the socket from the upper part of the socket and is contacted with the corresponding pin of the socket; the adapter is used for being connected with an external plug, and the adapter is electrically connected with the probe.

In some embodiments of the present application, the docking apparatus further includes a sliding plate fixed to a lower end of the driving unit, and the probe and the adaptor are connected to the sliding plate.

In some embodiments of the present application, the docking device further comprises a sheath surrounding the outer circumference of the probe.

In some embodiments of the present application, the sheath is a ring-shaped mechanism, an inner circumference of the sheath being abuttable to an outer circumference of the receptacle to limit and align the relative position between the sheath and the receptacle.

In some embodiments of the present application, the adapter is the same size as the socket.

In some embodiments of the present application, a circuit board is disposed on a lower surface of the sliding plate, and the probe and the adapter are disposed on the circuit board.

In some embodiments of the present application, the driving unit further comprises a fixing plate, and a locking member for coupling the fixing plate to the mounting plate; the driving unit is connected to the fixing plate; the mounting plate is provided with a first connecting hole which is vertically communicated; the fixed plate is provided with a second connecting hole which is vertically communicated; the retaining member sequentially penetrates through the first connecting hole and the second connecting hole, and the fixing plate is fixed on the mounting plate.

In some embodiments of the present application, the first connection hole and the second connection hole are long holes extending in a straight line in a horizontal direction, and an extending direction of the first connection hole and an extending direction of the second connection hole are perpendicular to each other.

In some embodiments of the present application, the lower surface of the mounting plate is provided with a thimble extending downward, so as to prop against and limit the PCB board downward.

In some embodiments of the present application, the driving unit is a cylinder.

According to the technical scheme, the utility model has at least the following advantages and positive effects:

in the utility model, after the PCB to be detected is supported and limited on the carrier plate, the driving unit drives the probe to move downwards, so that the upper part of the socket on the probe moves downwards and is contacted with the corresponding pin of the corresponding socket to form a passage between the probe and the pin, and the adapter is electrically connected with the probe and is connected with the external plug, thereby forming a passage between the socket of the PCB and the external plug by using the probe and the adapter for detecting the socket. Through interfacing apparatus, the effectual artifical plug wire detection of having avoided on the PCB board shortens check-out time, the effectual efficiency that improves the detection.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the detection apparatus of the present invention.

Fig. 2 is an exploded view of an embodiment of the inspection apparatus of the present invention.

FIG. 3 is a schematic structural diagram of a mounting plate of an embodiment of the inspection apparatus of the present invention.

Fig. 4 is a schematic structural diagram of a docking device of an embodiment of the detection apparatus of the present invention.

Fig. 5 is a schematic diagram of the structure shown in fig. 4 from one perspective.

Fig. 6 is a schematic diagram of the structure shown in fig. 4 from another perspective.

Fig. 7 is a schematic structural diagram of a fixing plate of an embodiment of the detection apparatus of the present invention.

The reference numerals are explained below: 10. a detection device; 20. a PCB board; 21. a socket; 100. a carrier plate; 200. mounting a plate; 210. an upper plate; 220. a lower plate; 221. a window; 222. a first connection hole; 230. a connecting rod; 240. a thimble; 300. a docking device; 310. a fixing plate; 311. a second connection hole; 320. a drive unit; 330. a sliding plate; 340. a sheath; 350. a transfer seat; 360. a connecting plate; 370. a circuit board; 380. a needle seat; 390. a sheath fixing portion; 400. and a locking member.

Detailed Description

Exemplary embodiments that embody features and advantages of the utility model are described in detail below in the specification. It is to be understood that the utility model is capable of other embodiments and that various changes in form and details may be made therein without departing from the scope of the utility model and the description and drawings are to be regarded as illustrative in nature and not as restrictive.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In order to ensure that the PCB can normally operate in a final product, after the PCB is manufactured, a circuit of the PCB needs to be subjected to on-off test so as to ensure that the PCB can be normally used. In the related art, when a socket on a PCB is tested, the socket and the circuit of the PCB are usually tested by connecting and disconnecting the corresponding plug and the socket. However, the plug is easily damaged by plugging and unplugging, and a certain time is required to be consumed, especially for a part of flip type sockets, the flip needs to be manually opened, which affects the detection efficiency.

FIG. 1 is a schematic structural diagram of an embodiment of the detection apparatus of the present invention. Fig. 2 is an exploded view of an embodiment of the inspection apparatus of the present invention.

For ease of description and understanding, reference is made to the placement of the detection device in fig. 1, defining the up-down and horizontal directions of the detection device.

Referring to fig. 1 and 2, the present embodiment provides a test apparatus 10 for testing a socket 21 on a PCB 20. The inspection apparatus 10 includes a carrier board 100 for supporting and spacing the PCB 20, a mounting board 200 disposed above the carrier board 100, and a docking device 300 fixed on the mounting board 200. After the PCB 20 is placed on the carrier 100, the socket 21 on the PCB 20 is located on the upper surface of the PCB 20, and the opening of the socket 21 is upward. The mounting board 200 and the docking device 300 are both located above the PCB board 20. The docking device 300 is vertically docked with the receptacle 21 to check whether the receptacle 21 is acceptable.

In this embodiment, the carrier 100 is a plate structure for supporting and limiting the PCB 20. A notch and a groove are formed on the upper surface of the carrier 100 to prevent the lower surface of the carrier 100 from interfering with the placement of the carrier 100. In some embodiments, the upper surface of the carrier board 100 is provided with a step for supporting and limiting the edge of the PCB board 20.

In other embodiments, carrier board 100 may be other structures with supporting function, such as a plurality of vertically disposed supporting pillars.

In this embodiment, the structure of the carrier 100 is adapted to the structure of the PCB 20, and different carriers 100 are used for different PCBs 20. In some embodiments, the same carrier board 100 may be used, and corresponding limiting structures are disposed on the carrier board 100, so that the PCB boards 20 with different sizes can be fixed and limited on the same carrier board 100 by the limiting structures.

In other embodiments, carrier board 100 and mounting board 200 are attached to the same rack, and carrier board 100 is detachably mounted to the rack, so that different carrier boards 100 can be mounted on the rack to accommodate different PCB boards 20.

FIG. 3 is a schematic structural diagram of a mounting plate of an embodiment of the inspection apparatus of the present invention.

Referring to fig. 1 to 3, a mounting plate 200 is located above the carrier plate 100 for mounting the docking device 300.

In this embodiment, the mounting plate 200 includes an upper plate 210 and a lower plate 220 vertically spaced apart from each other, a connecting rod 230 is disposed between the upper plate 210 and the lower plate 220 to connect the upper plate 210 and the lower plate 220 via the connecting rod 230, and the docking unit 300 is connected to the lower plate 220.

In some embodiments, mounting plate 200 includes only a lower plate 220 disposed, and docking device 300 is attached to lower plate 220.

The lower surface of the mounting board 200 is provided with a downwardly extending ejector pin 240 for downwardly abutting and restraining the PCB board 20. In this embodiment, the ejector pins 240 are disposed on the lower plate 220, and the ejector pins 240 extend downward to limit the PCB 20 on the carrier 100. The thimble 240 is made of an insulating material.

In some embodiments, the lower plate 220 can slide vertically relative to the carrier 100, so that after the PCB 20 is placed on the carrier 100, the lower plate 220 moves downward to drive the docking device 300 to move to a predetermined position above the sub-carrier 100, and the ejector pins 240 are abutted against the PCB 20. After the detection is completed, the lower board 220 moves upward to drive the docking device 300 to move upward away from the carrier board 100, so as to conveniently take the PCB 20 off the carrier board 100 and conveniently place the PCB 20 to be detected on the carrier board 100.

In this embodiment, the lower plate 220 is provided with a through window 221, and the docking device 300 is fixed to a portion above the lower plate 220 and a portion below the lower plate 220 after passing through the window 221. Docking device 300 is positioned partially above lower plate 220 to facilitate mounting and adjusting the position of docking device 300 on lower plate 220.

It should be noted that, in some embodiments, the entire mounting board 200 is disposed on a bracket, the mounting board 200 is slidably connected to the bracket in the vertical direction, and after the PCB board 20 to be tested is placed on the carrier board 100, the mounting board 200 moves downward relative to the bracket, so that the ejector pins 240 abut against the PCB board 20. In other embodiments, the lower plate 220 can move vertically relative to the upper plate 210 to pass such that the ejector pins 240 under the lower plate 220 abut against the PCB board 20.

The mounting plate 200 is provided with a first connection hole 222 penetrating vertically. In this embodiment, the lower plate 220 is provided with a plurality of first connection holes 222, the first connection holes 222 are formed in the lower plate 220, the plurality of first connection holes 222 are long holes extending in a horizontal direction, and the extending directions of the plurality of first connection holes 222 are parallel.

In some embodiments, the first connection hole 222 extends in a left-right direction, and in other embodiments, the first connection hole 222 extends in a front-back direction. It should be noted that the extending direction of the first connection hole 222 can also have a certain included angle with respect to the left-right or front-back direction, and the included angle is an obtuse angle or an acute angle.

Fig. 4 is a schematic structural diagram of a docking device of an embodiment of the detection apparatus of the present invention. Fig. 5 is a schematic diagram of the structure shown in fig. 4 from one perspective. Fig. 6 is a schematic diagram of the structure shown in fig. 4 from another perspective.

Referring to fig. 1 to 6, the docking apparatus 300 includes a fixed plate 310, a driving unit 320 connected to the fixed plate 310, a sliding plate 330 connected below the driving unit 320, a probe provided on the sliding plate 330, and an adaptor 350 provided on the sliding plate 330. The driving unit 320 drives the sliding plate 330 to move vertically to drive the probe to move vertically, so that the probe can extend into the socket 21 from the upper side of the socket 21 and contact with the corresponding pins of the socket 21, the adapter 350 is electrically connected to the probe, the adapter 350 is adapted to an external plug, so as to communicate with the socket 21 on the PCB 20 through the probe and the adapter 350, and thus detect whether the socket 21 is qualified.

In this embodiment, the fixing plate 310 is connected to the mounting plate 200 to drive the driving unit 320 to be connected to the mounting plate 200. A locking member 400 is provided between the fixing plate 310 and the mounting plate 200 to fix the fixing plate 310 to the mounting plate 200 by the locking member 400.

Fig. 7 is a schematic structural diagram of a fixing plate of an embodiment of the detection apparatus of the present invention.

Referring to fig. 1 to 7, the fixing plate 310 is formed with a second coupling hole 311 vertically penetrating therethrough, and the locking member 400 sequentially penetrates through the first coupling hole 222 of the lower plate 220 and the second coupling hole 311 of the fixing plate 310 to fix the fixing plate 310 to the lower plate 220 of the mounting plate 200.

The second connection holes 311 are long holes extending along a straight line in a horizontal direction, and the extension direction of the second connection holes 311 is perpendicular to the extension direction of the first connection holes 222, so that the horizontal position of the fixing plate 310 relative to the mounting plate 200 is adjusted through the first connection holes 222 and the second connection holes 311 to adjust the position of the docking device 300 relative to the socket 21 on the PCB board 20, thereby adapting to the socket 21 detection on different PCB boards 20.

In this embodiment, the fixing plate 310 is supported above the lower plate 220, and the locking member 400 passes through the first coupling hole 222 and the second coupling hole 311 from above the fixing plate 310, so as to facilitate adjustment of the position of the fixing plate 310 above the fixing plate 310. In the adjusted position, the lower plate 220 supports the fixing plate 310 without manually supporting the docking device 300.

The locking member 400 is provided at the outer circumference of the upper end thereof with protruding lugs for twisting the locking member 400 to facilitate the fastening and releasing of the locking member 400 and the adjustment of the position of the fixing plate 310.

In this embodiment, drive unit 320 is the cylinder, connects on fixed plate 310 at connecting plate 360, the vertical setting of connecting plate 360 to make things convenient for the connection and the fixing of cylinder, make things convenient for the cylinder to follow vertical flexible and connection. In other embodiments, the driving unit 320 is a hydraulic cylinder, a belt, or the like, which can move the sliding plate 330 in the vertical direction.

In other embodiments, docking device 300 does not include a fixed plate 310 and drive unit 320 is attached directly to lower plate 220 of mounting plate 200.

Referring again to fig. 2 to 6, the docking device 300 further includes a circuit board 370, the circuit board 370 is fixed on the lower surface of the sliding plate 330, and the probe and the adapter 350 are fixed on the circuit board 370 and electrically connected to the circuit board 370, so that the probe and the adapter 350 are electrically connected. The lower end of the probe extends downward beyond the circuit board 370 and the adapter 350 to avoid interference between the adapter 350 and the PCB 20 to be tested when the probe abuts against the socket 21. The probe is vertically arranged and made of a conductor for conducting the socket.

In some embodiments, the probe and adapter 350 are integrally formed on the circuit board 370, and the probe and adapter 350 are mounted after the circuit board 370 is fixed on the sliding plate 330, so as to facilitate quick mounting of the probe and adapter 350. In some embodiments, the adapter 350 may be located anywhere else on the test device, as long as electrical connection between the probe and the adapter 350 is ensured.

In this embodiment, the type of the adapter 350 is the same as the type of the socket 21 of the PCB 20, so that when a plurality of PCBs 20 are detected, the corresponding plug is always connected to the adapter 350, repeated plugging and unplugging of the plug is avoided, and damage to the plug and the adapter 350 due to plugging and unplugging is effectively avoided.

In this embodiment, the probe is provided in plural for fitting with the pin of the socket 21. The probe extends vertically to facilitate vertical movement and insertion into the socket 21. A needle mount 380 is provided above the probe, and the needle mount 380 is fixed to the lower surface of the circuit board 370 to fix the probe on the circuit board 370 through the needle mount 380.

In this embodiment, the docking device 300 further includes a sheath 340, and the sheath 340 covers the entire circumference of the probe to protect the probe.

The sheath 340 is a ring-shaped mechanism, and the inner circumference of the sheath 340 can abut against the outer circumference of the socket 21 to limit and align the relative position between the sheath 340 and the socket 21, thereby functioning as an alignment probe and the socket 21.

In this embodiment, the sheath 340 is provided with a sheath fixing portion 390, the sheath fixing portion 390 is connected to the lower surface of the needle holder 380, the lower end of the probe on the needle holder 380 passes through the sheath fixing portion 390 and is inserted into the sheath 340, and the sheath fixing portion 390 plays a role in connecting the sheath 340 and reinforcing the structural strength of the probe.

Based on the above description, when the socket 21 on the PCB 20 is inspected, the PCB 20 with inspection is placed on the carrier 100 and limited, the position of the docking device 300 in the horizontal direction is adjusted so that the probe of the docking device 300 corresponds to the corresponding socket 21, the driving unit 320 drives the probe to move downward, so that the sheath 340 is sleeved outside the socket 21 and the probe is inserted into the corresponding pin, and the pin is communicated with an external device through the probe and the adapter 350 so as to inspect whether the socket 21 is qualified enough.

In the present invention, after the PCB 20 to be detected is supported and limited on the carrier 100, the driving unit 320 drives the probe to move downward, so that the upper portion of the socket 21 on the probe moves downward and contacts with the corresponding pin of the corresponding socket 21 to form a passage between the probe and the pin, and the adapter 350 is electrically connected to the probe and connected to an external plug, so that a passage is formed between the socket 21 of the PCB 20 and the external plug by using the probe and the adapter 350 for detecting the socket 21. Through interfacing apparatus 300, the effectual artifical plug wire that has avoided detects on PCB board 20, shortens check-out time, the effectual efficiency that improves the detection.

The damage of the socket 21 and the external plug caused by multiple times of plugging and unplugging is avoided, the stability of the test is effectively improved, and the service life of the socket 21 on the PCB 20 is prevented from being influenced.

The detection device of the utility model is mainly suitable for detecting the socket 21 with an upward opening, in particular to the detection of the socket 21 with a flip cover, the flip cover structure is not required to be opened, only partial pins of the flip cover type socket 21 are exposed upwards under the condition that the flip cover type socket 21 is not opened, and the detection device can be used for detection.

While the present invention has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims (10)

1. A detection device for detecting a socket on a PCB board, comprising:

the carrier plate is used for supporting and limiting the PCB;

the mounting plate is arranged above the carrier plate;

the butt joint device is positioned above the carrier plate; the butt joint device comprises a driving unit connected to the mounting plate, a probe connected below the driving unit and a switching seat; the driving unit can drive the probe to move vertically, so that the probe can extend into the socket from the upper part of the socket and is contacted with the corresponding pin of the socket; the adapter is used for being connected with an external plug, and the adapter is electrically connected with the probe.

2. The inspection apparatus of claim 1, wherein the docking device further comprises a sliding plate fixed to a lower end of the driving unit, and the probe and the adapter are connected to the sliding plate.

3. The detection apparatus of claim 2, wherein the docking device further comprises a sheath that surrounds the outer perimeter of the probe.

4. The test device of claim 3, wherein the sheath is a ring-shaped mechanism, an inner circumference of the sheath being abuttable against an outer circumference of the socket to limit and align the relative position between the sheath and the socket.

5. The test device of claim 2, wherein the adapter is the same type as the socket.

6. The inspection apparatus of claim 2, wherein a circuit board is disposed on a lower surface of the sliding plate, and the probe and the adapter are disposed on the circuit board.

7. The inspection apparatus of claim 1, wherein the driving unit further comprises a fixing plate, and a locking member for coupling the fixing plate to the mounting plate; the driving unit is connected to the fixing plate; the mounting plate is provided with a first connecting hole which is vertically communicated; the fixed plate is provided with a second connecting hole which is vertically communicated; the retaining member sequentially penetrates through the first connecting hole and the second connecting hole, and the fixing plate is fixed on the mounting plate.

8. The detecting apparatus according to claim 7, wherein the first connection hole and the second connection hole are long holes extending in a straight line in a horizontal direction, respectively, and an extending direction of the first connection hole and an extending direction of the second connection hole are perpendicular.

9. The detection apparatus according to claim 1, wherein the lower surface of the mounting plate is provided with a downwardly extending ejector pin for downwardly abutting and spacing the PCB.

10. The detection apparatus according to claim 1, wherein the driving unit is a cylinder.

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