CN104750586A - Graphics card test device - Google Patents

Abstract

The invention discloses a video card testing device used for testing waveforms of pins of connecting fingers of video cards. The video card testing device comprises a first mounting rack, a first frame, a second frame, a first sliding piece, a second sliding piece and a driving component, wherein the first frame and the second frame are arranged on two opposite sides of the mounting rack, the first sliding piece is slidably arranged on the first frame, and the second sliding piece is slidably arranged on the second frame. The mounting rack is provided with an insertion groove. A plurality of pins directly facing the connecting fingers are arranged on each of two opposite inner side walls of the insertion groove. The first frame is provided with a conductive first connecting strip to form a first connecting end, and the second frame is provided with a conductive second connecting strip to form a second connecting end. The first sliding piece comprises a first connecting portion and a second connecting portion, the first connecting portion is electrically connected to the pins, and the second connecting portion is electrically connected to the first connecting strip. The second sliding piece comprises a first connecting portion and a second connecting portion, the first connecting portion is electrically connected to the pins, and the second connecting portion is electrically connected to the second connecting strip. Simultaneous sliding of the first sliding piece and the second sliding piece can be achieved through operation of the driving component, and operation is facilitated.

Description

Graphics card test device

technical field

The invention relates to a display card testing device.

Background technique

In the prior art, a multimeter or an oscilloscope is generally used to measure the waveform of each gold finger of the graphics card. Since the interval between the gold fingers of the graphics card is narrow, it is very inconvenient for the probe of the multimeter or oscilloscope to touch a single gold finger during the measurement process. And it is easy to short-circuit the gold finger.

Contents of the invention

It is necessary to provide a test device that is convenient to use a gold finger for testing a graphics card.

A graphics card testing device is used for testing golden fingers on both sides of a graphics card. A first sliding member disposed between the mounting frame and the first frame body, a second sliding member slidably disposed between the mounting frame and the second frame body, and a drive for driving the first sliding member and The driving assembly for the sliding of the second slider, the installation frame has an insertion slot, and the installation frame is respectively provided with a number of pins facing the golden fingers on the two inner walls opposite to the insertion slot, the first frame body A conductive first connecting bar is provided along the sliding direction of the first sliding member, the first connecting bar extends out of the first frame to form a first connecting end, and the second frame slides along the second sliding member A conductive second connecting strip is provided in the direction, and the second connecting strip extends out of the second frame to form a second connecting end. The first sliding piece and the second sliding piece respectively include a conductive elastic piece, and the first sliding piece Both ends of the conductive elastic piece slidably contact a pin and the first connecting bar, and both ends of the conductive elastic piece of the second sliding part slidably contact a pin and the second connecting bar.

Compared with the prior art, the first connecting end of the graphics card testing device of the present invention is electrically connected to the pin on one side of the mounting frame through the first sliding piece, and the second connecting end is electrically connected to the mounting bracket through the second sliding piece. The pins on the other side of the frame, the drive assembly drives the first slider and the second slider to slide and connect the pins on both sides of the mounting frame, the probe of the oscilloscope is connected to the first connection end and the second connection end, It is convenient to test the gold finger corresponding to the graphics card.

Description of drawings

Fig. 1 is the three-dimensional exploded view of the preferred embodiment of the graphics card testing device of the present invention, and the graphics card testing device comprises a mounting frame, a first frame body, a second frame body, a first sliding part, a second sliding part and A driving component.

FIG. 2 is an enlarged view of the mounting bracket of FIG. 1 .

FIG. 3 is a perspective enlarged view from another perspective of the first frame in FIG. 1 .

FIG. 4 is a perspective enlarged view of the second frame in FIG. 1 .

FIG. 5 is an enlarged perspective view of the first sliding member in FIG. 1 .

FIG. 6 is a perspective enlarged view of the second sliding member in FIG. 1 .

FIG. 7 is an enlarged perspective view of the driving assembly in FIG. 1 .

FIG. 8 is a perspective assembly view of FIG. 1 .

Fig. 9 is a sectional view along line IX-IX of Fig. 8 .

FIG. 10 is a three-dimensional exploded view of a graphics card testing device and a graphics card according to the present invention.

Description of main component symbols

Graphics Card Test Set 100

graphics card 300

Board 302

Connector 303

Goldfinger 305

Mounting bracket 20

Mounting plate 21

positioning bar 22

plug board 23

Connection part 25

Support plate 26

Containment Tank 27

Socket 221

pin 222

Locating slot 251

Mounting slot 252

Notch 255

Screw holes 215, 256, 257, 512, 612

Gap 258

Ground terminal 29

First frame 30

Outer panels 31, 41

Flange 32, 42

Block 33, 43

First connecting strip 35

Chutes 36, 46

Entrance 37, 47

Shaft hole 331, 431

Swivel holes 311, 411

Guide groove 314, 414

Through holes 312, 412, 721, 731

Display hole 315

Second frame 40

Second connecting strip 45

Second connection end 451

first slide 50

Connection block 51, 61

Guide slider 52, 62

Conductive shrapnel 55, 65

logo 56

Second slider 60

drive components 70

Screw 71

Upper positioning plate 72

Lower positioning plate 73

Operating parts 75

Threaded rod 712

Second gear 713

Rotary part 715

Containment port 722, 732

Operation Department 751

Adjustment rod 752

First gear 755

The following specific embodiments will further illustrate the present invention in conjunction with the above-mentioned drawings.

Detailed ways

Please refer to FIG. 1 , a preferred embodiment of a graphics card testing device 100 of the present invention is used to test a graphics card 300 (see FIG. 10 ), which includes a board 302 and a plugging portion 303 located at the bottom of the board 302 and a plurality of golden fingers 305 disposed on opposite sides of the insertion portion 303 . The graphics card testing device 100 includes a mounting frame 20 , a rectangular first frame 30 , a rectangular second frame 40 , a first slider 50 , a second slider 60 and a driving assembly 70 .

Please refer to FIG. 2 , the mounting frame 20 includes a rectangular mounting plate 21, a positioning bar 22 protruding from the top of the mounting plate 21 and extending along the length direction of the mounting plate 21, and a positioning bar 22 protruding from the bottom of the mounting plate 21. An inserting board 23 , a connecting portion 25 disposed at the front end of the mounting board 21 , and two supporting boards 26 vertically protrude from both sides of the bottom of the rear end of the mounting board 21 . The positioning bar 22 , the connecting portion 25 and the two support plates 26 enclose two opposite receiving grooves 27 . An insertion slot 221 is defined on the top surface of the positioning bar 22 along the length direction of the mounting plate 21 . The installation board 21 is provided with a plurality of metal pins 222 on two inner walls of the insertion slot 221 , and each pin 222 passes through the insertion slot 221 and the corresponding receiving slot 27 and extends to the insertion board 23 . The middle part of this connecting part 25 offers a positioning groove 251 that runs through the left and right sides, the middle part of the front end surface of this connecting part 25 offers a mounting groove 252 that runs through this positioning groove 251, and the middle part of this connecting part 25 rear end offers a through positioning. The slot 251 and the corresponding notch 255 of the receiving slot 27 . Two screw holes 215 are respectively provided on both sides of the rear end of the mounting plate 21, and a screw hole 256 is respectively provided on both sides of the connecting portion 25 on both sides of the mounting groove 252, and the front end surface of the connecting portion 25 is connected to the mounting groove 252. Offer two screw holes 257 on both sides. The connecting portion 25 defines two opposite notches 258 in the middle of the two opposite inner walls of the installation groove 252 . The installation frame 20 also includes a ground terminal 29 protruding from the connecting portion 25 .

Referring to Fig. 3, the first frame body 30 includes a rectangular outer plate 31, a U-shaped flange 32 protrudes vertically inwardly from the edge of the rear portion of the outer plate 31, and a U-shaped flange 32 is vertically inward from the front portion of the outer plate 31. A locking block 33 and a conductive first connecting strip 35 are protruded inside. The outer plate 31 , the flange 32 and the block 33 define a sliding groove 36 . An entrance 37 passing through the sliding slot 36 is defined between the locking block 33 and the flange 32 . The first connecting bar 35 is fixed on the inner wall of the outer panel 31 along the length direction of the outer panel 31 and communicates with the sliding groove 36 . One end of the first connecting bar 35 extends out from the front end of the outer panel 31 to form a first connecting end 351 . A central portion of the locking block 33 defines a shaft hole 331 parallel to the first connecting bar 35 . The flange 32 at the rear end of the outer plate 31 defines a rotation hole 311 facing the shaft hole 331 . The flanges 32 on both sides of the outer plate 31 define two guiding grooves 314 passing through the sliding groove 36 and the inlet 37 . Two through holes 312 are respectively defined at the front end and the rear end of the outer plate 31 . A central portion of the outer panel 31 defines a plurality of display holes 315 passing through the slide groove 36 along its length direction. In this embodiment, the first connecting bar 35 is a metal bar.

Please refer to Fig. 4, the structure of the second frame body 40 is the same as that of the first frame body 30, the second frame body 40 includes a rectangular outer plate 41, a flange 42, a block 43 and a conductive The second connection bar 45 . The outer plate 41 , the flange 42 and the block 43 define a slide groove 46 . An entrance 47 passing through the sliding slot 46 is defined between the locking block 43 and the flange 42 . The second connecting bar 45 is fixed on the inner wall of the outer panel 41 along the length direction of the outer panel 41 and communicates with the sliding groove 46 . One end of the second connecting bar 45 extends from the front end of the outer panel 41 to form a second connecting end 451 . A central portion of the locking block 43 defines a shaft hole 431 parallel to the second connecting bar 45 . The flanges 42 on both sides of the outer plate 41 define two guiding grooves 414 passing through the sliding groove 46 and the inlet 47 . The flange 42 at the rear end of the outer plate 41 defines a rotation hole 411 facing the shaft hole 431 . Two through holes 412 are respectively defined at the front end and the rear end of the outer plate 41 . In this embodiment, the second connecting bar 45 is a metal bar.

Please refer to FIG. 5 , the first sliding member 50 includes a connection block 51 , two opposite guide sliders 52 extending outward from the upper and lower ends of the connection block 51 and a conductive elastic piece 55 arranged on the connection block 51 . Two ends of the conductive elastic piece 55 respectively extend out from the left and right sides of the connecting block 51 to form two elastic contact portions. A central portion of the front side of the connecting block 51 defines a screw hole 512 passing through the rear side. A mark 56 is provided on the right side of the connection block 51 at the lower end of the conductive elastic piece 55 .

Please refer to Fig. 6, the structure of the second sliding member 60 is the same as that of the first sliding member 50, the second sliding member 60 includes a connecting block 61, extending outward from the upper and lower ends of the connecting block 61 Two opposite guide sliders 62 and a conductive elastic piece 65 disposed on the connecting block 61 . Two ends of the conductive elastic piece 65 respectively extend out from the left and right sides of the connecting block 61 to form two elastic contact portions. A central portion of the front side of the connecting block 61 defines a screw hole 612 passing through the rear side. The screw hole 512 of the first sliding member 50 is the same as the screw hole 612 of the second sliding member 60 .

Please refer to FIG. 7 , the driving assembly 70 includes two screw rods 71 , an upper positioning plate 72 , a lower positioning plate 73 and an operating member 75 . The operating member 75 includes an operating portion 751, an adjusting rod 752 extending backward from the operating portion 751, and a first gear 755 sleeved on the adjusting rod 752. Each screw rod 71 includes a threaded rod 712, which is arranged on the A second gear 713 at the front end of the threaded rod 712 and a rotating portion 715 at the rear end of the second gear 713 . A through hole 721 is defined in the middle of the upper positioning plate 72 , and a receiving opening 722 is defined in the bottom of the upper positioning plate 72 . A through hole 731 is defined in the middle of the lower positioning plate 73 , and a receiving opening 732 is defined in the top of the upper positioning plate 72 .

Please refer to Fig. 8 and Fig. 9, when assembling, the first gear 755 of the operating member 75 is accommodated in the positioning groove 251 of the mounting frame 20, so that the adjusting rod 752 of the operating member 75 is rotatably accommodated in the notch 258 And the operating portion 751 of the operating member 75 is exposed from the connecting portion 25 . Put the upper positioning plate 72 close to the front end of the connecting part 25 so that the upper side of the adjusting rod 752 is accommodated in the receiving port 722 and the through hole 721 is facing the corresponding screw hole 257 of the connecting part 25, and a screw passes through the The through hole 721 is locked in the screw hole 257 . Put the lower positioning plate 73 close to the front end of the connecting part 25 so that the lower side of the adjusting rod 752 is accommodated in the receiving port 732 and the through hole 731 is facing the corresponding screw hole 257, and a screw passes through the through hole 731 and is locked on the Inside the screw hole 257. The first slider 50 is slidably installed in the slide groove 36 of the first frame body 30 from the entrance 37 so that the two guide sliders 52 of the first slider 50 are slidably accommodated in the guide groove 314, and the first One contact portion of the conductive elastic piece 55 of the slider 50 slides against the first connecting bar 35 , and the logo 56 of the first slider 50 can be observed through the display hole 315 . The threaded rod 712 of one of the screw rods 71 passes through the shaft hole 331 from the front end of the first frame body 30 , and is internally screwed through the screw hole 512 of the first sliding member 50 , and then rotatably inserted into the rotation hole 311 . The second slider 60 is slidably installed in the slide groove 46 of the second frame body 40 from the entrance 47 so that the two guide sliders 62 of the second slider 60 are slidably accommodated in the guide groove 414, and the second One contact portion of the conductive elastic piece 65 of the slider 60 slides against the second connecting bar 45 . The threaded rod 712 of the other screw rod 71 passes through the shaft hole 431 from the front end of the second frame body 40 , and is screwed through the screw hole 612 of the second sliding member 60 , and then rotatably inserted into the rotation hole 411 . Rotate the two screw rods 71 so that the distance between the first sliding member 50 and the corresponding second gear 713 is equal to the distance between the second sliding member 60 and the corresponding locking block second gear 713 . The first frame body 30 is accommodated in the receiving groove 27 on the right side of the mounting frame 20, and the second gear 713 of the screw rod 71 is accommodated in the positioning groove 251 of the mounting frame 20 and meshed with the handle 75. The first gear 755 and the threaded rod 712 are rotatably received in the corresponding notches 255 . At this time, the through hole 312 of the first frame body 30 is facing the screw hole 256 and the screw hole 215 of the installation frame 20 , and a plurality of screws pass through the through hole 312 and are locked in the corresponding screw hole 256 and screw hole 215 . The display hole 315 of the first frame body 30 is facing the pin 222 of the mounting bracket 20 . The second frame body 40 is accommodated in the receiving groove 27 on the left side of the mounting bracket 20, and the second gear 713 of the screw rod 71 is accommodated in the positioning groove 251 of the mounting bracket 20 and meshed with the handle 75. The first gear 755 and the threaded rod 712 are rotatably received in the corresponding notches 255 . At this time, the through hole 412 of the second frame body 40 is facing the screw hole 256 and the screw hole 215 of the mounting bracket 20 , and a plurality of screws pass through the through hole 412 and are locked in the corresponding screw hole 256 and screw hole 215 . Rotating the operating member 75 can make the first sliding member 50 and the second sliding member 60 slide synchronously.

Please refer to FIG. 10 , when in use, insert the insertion portion 303 of the graphics card 300 into the slot 221 of the graphics card testing device 100 , and make the gold fingers 305 close to the pins 222 of the installation frame 20 . Insert the plug board 23 of the graphics card testing device 100 with the graphics card 300 plugged into a connector of a circuit board. Provide an oscilloscope (not shown in the figure), connect the ground terminal of the oscilloscope to the ground terminal 29 of the graphics card testing device 100, and connect the two test terminals of the oscilloscope to the first connection terminal of the first frame body 30 respectively 351 and the second connecting end 451 of the second frame body 40 . Rotate the operating part 751 to rotate the first gear 755 and drive the two second gears 713 to rotate simultaneously, and the two screw rods 71 rotate to drive the first slider 50 and the second slider 60 along the corresponding threaded rod 712 and slide, and the operating part 751 rotates one turn to make the first sliding member 50 and the second sliding member 60 slide a distance equal to the distance between two adjacent pins 222 . The first connection end 351 is electrically connected to the corresponding golden finger 305 through the first connection bar 35, the conductive elastic piece 55 and the corresponding pin 222, and the second connection end 451 is electrically connected to the corresponding golden finger 305 through the second connection bar 45, the conductive elastic piece 65 and the corresponding The pins 222 of the pins are electrically connected to the corresponding gold fingers 305 . At this time, the oscilloscope can display the waveform and voltage value of the gold finger 305 corresponding to the graphics card 300 . The position of the mark 56 of the first sliding member 50 can be observed through the display hole 315 on the first frame body 30 , so that it can be determined that the graphics card testing device 100 is measuring the position of the golden finger 305 of the graphics card 300 .

Claims (9)

1. A graphics card testing device is used to test gold fingers on both sides of a graphics card, and the graphics card testing device includes a mounting frame, a first frame and a second frame that are located on opposite sides of the mounting frame, A first sliding member slidably arranged between the installation frame and the first frame body, a second sliding member slidably arranged between the installation frame and the second frame body, and a drive for driving the first sliding member part and the second sliding part sliding drive assembly, the installation frame has an insertion slot, and the installation frame is respectively provided with a number of pins facing the gold finger sides on the two inner walls opposite to the insertion slot, the first The frame body is provided with a conductive first connecting strip along the sliding direction of the first slider, and the first connecting strip extends out of the first frame body to form a first connection end, and the second frame body is along the direction of the second slider The sliding direction is provided with a conductive second connecting bar, which extends out of the second frame to form a second connecting end, the first sliding piece and the second sliding piece respectively include a conductive elastic piece, and the first sliding piece The two ends of the conductive elastic piece of the second sliding piece are slidably contacted with a pin and the first connecting bar, and the two ends of the conductive elastic piece of the second sliding piece are slidably contacted with a pin and the second connecting bar. 2. The graphics card testing device according to claim 1, wherein the mounting frame includes a mounting plate, a positioning bar protruding from the top of the mounting plate, and a plug socket protruding from the bottom of the mounting plate. The insertion slot is opened on the positioning bar, and each pin passes through the insertion slot and is exposed on the outer surface of the installation board and extends to the insertion board. 3. The graphics card testing device as claimed in claim 2, wherein the mounting frame also includes a connecting portion located at the front end of the mounting plate and protruding vertically outward from both sides of the rear end bottom of the mounting plate. The two supporting plates, the positioning bar, the connecting portion and the two supporting plates enclose two opposite receiving grooves, and the first frame body and a second frame body are accommodated in the two receiving grooves. 4. The graphics card testing device as claimed in claim 3, wherein a positioning slot is provided in the connecting portion, and the driving assembly includes a first gear and two screw rods which are rotatably accommodated in the positioning slot, and each screw rod is provided with There is a second gear, wherein a screw rod is rotatably installed between the first frame body and the connecting part and the second gear meshes with the first gear, and the other screw rod is rotatably installed between the second frame body and the connecting part. Between the connecting parts, the second gear meshes with the first gear, and the first sliding part and the second sliding part are respectively provided with screw holes screwed to the two screw rods. 5. The graphics card testing device as claimed in claim 4, wherein the driving assembly further comprises an operating part exposed on the mounting frame and capable of driving the first gear to rotate, and rotating the operating part for a circle can make the first slide The sliding distance of the piece and the second sliding piece is equal to the distance between two adjacent pins. 6. The graphics card testing device as claimed in claim 1, wherein the installation frame further comprises a ground terminal. 7. The graphics card testing device according to claim 1, wherein the first frame body includes a rectangular outer plate and a U-shaped flange located at the rear of the outer plate, and the outer plate and the flange A chute is enclosed, the first connecting bar is fixed on the inner wall of the outer plate along the length direction of the outer plate and communicates with the chute, and the first sliding member is slidably accommodated in the chute. 8. The graphics card testing device as claimed in claim 7, wherein the flanges on both sides of the outer plate are provided with two guide grooves passing through the chute, and the first sliding member includes a slidably accommodated in the chute. A connection block and two guide sliders extending outward from both ends of the connection block and slidably accommodated in the two guide grooves. 9. The graphics card testing device according to claim 7, characterized in that: the outer plate is provided with a plurality of display holes corresponding to the pins of the mounting bracket and passing through the chute along the sliding direction of the first slider, the first The slider is provided with a mark that can be exposed through these display holes.