CN113917192B

CN113917192B - Mainboard detection equipment

Info

Publication number: CN113917192B
Application number: CN202111210717.5A
Authority: CN
Inventors: 周刚文
Original assignee: Shenzhen Topjoin Electric Co ltd
Current assignee: Shenzhen Topjoin Electric Co ltd
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2023-09-19
Anticipated expiration: 2041-10-18
Also published as: CN113917192A

Abstract

The invention discloses a main board positioning and clamping device and main board detection equipment in the field of main board detection, which comprises a base, wherein a supporting plate is fixedly arranged on the base, a supporting seat is fixedly arranged on the supporting plate, a rotary seat is arranged in the supporting seat, the top end of the rotary seat extends out of the supporting seat, a tooth socket is arranged in the rotary seat, a gear disc is connected in the tooth socket in a meshed manner, a driving groove is arranged in the base, a driven gear is arranged in the driving groove, the bottom end of the driven gear is rotationally connected in the inner wall of the base, and the top end of the driven gear extends into the tooth socket and is fixedly arranged at the bottom end of the gear disc, and the main board positioning and clamping device has the beneficial effects that: this kind of mainboard check out test set convenient to use can carry out the omnidirectional fixed spacing to the mainboard through above-mentioned subassembly, has made things convenient for going on of mainboard check out test work, has further improved work efficiency, can be outside the ejecting locating rack of mainboard after detecting through above-mentioned subassembly simultaneously, has made things convenient for staff's work of taking out.

Description

Mainboard detection equipment

Technical Field

The invention relates to the field of motherboard detection, in particular to a motherboard positioning and clamping device and motherboard detection equipment.

Background

A motherboard, also called a motherboard, a system board, or a motherboard; it is installed in the case and is one of the most basic and important components of microcomputer. The motherboard is generally a rectangular circuit board on which the main circuitry that makes up the computer is mounted, and typically has elements such as a BIOS chip, an I/O control chip, a keyboard and panel control switch interface, an indicator light connector, an expansion slot, a direct current power supply connector for the motherboard and the card. The main board adopts an open structure. The main board is provided with 6-15 expansion slots for plugging control cards (adapters) of PC peripheral equipment. By replacing the plug-in cards, the corresponding subsystems of the microcomputer can be locally upgraded, so that manufacturers and users have greater flexibility in the aspect of machine type configuration. In summary, the motherboard plays a significant role in the overall microcomputer system. It can be said that the type and grade of the main board determine the type and grade of the whole microcomputer system. The performance of the main board influences the performance of the whole microcomputer system, and when the main board fails in the production process or after use, main board detection equipment is needed to detect the main board, so that the main board is convenient to repair.

Most of the existing main board detection equipment is not provided with components capable of positioning the main board, and in the detection process, the main board can be detected only through the handheld main board of a detection person or the handheld detection equipment, so that the main board detection equipment is very troublesome and the work efficiency is easy to influence.

Disclosure of Invention

The invention aims to provide a main board positioning and clamping device and main board detection equipment, which are used for solving the problems that most of the existing main board detection equipment is not provided with components capable of positioning a main board, and the main board can be detected only by a detector holding the main board or the handheld detection equipment in the detection process, so that the main board positioning and clamping device is very troublesome and the work efficiency is easily affected.

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

the utility model provides a mainboard location clamping device and mainboard check out test set, includes the base, fixed mounting backup pad on the base, fixed mounting has the supporting seat in the backup pad, be provided with the swivel mount in the supporting seat, just the top of swivel mount extends outside the supporting seat, be provided with the tooth's socket in the swivel mount, tooth's socket inner engagement is connected with the gear wheel, be provided with the drive slot in the base, be provided with driven gear in the drive slot, driven gear's bottom rotates to be connected in the inner wall of base, driven gear's top extends to the tooth's socket and fixed mounting in the bottom of gear wheel, driven gear's right side meshing is connected with the driving gear, just driving gear's top and bottom all rotate and connect in the inner wall of base, be provided with the mounting groove in the base under the driving gear, fixed mounting has the motor in the mounting groove, just the output fixed mounting of motor is in driving gear's bottom, swivel mount top fixed mounting has the locating rack on the locating rack, be provided with the roof in the locating rack, and the roof is fixed mounting has the slider, the right side is provided with the corresponding to be provided with the sliding tray, the dust box that the air duct, the dust catcher is located the side of the fixed mounting is fixed mounting in the side of the sliding tray, the side is located the sliding tray, the fixed mounting is located the air duct, and is fixed mounting is located the side is fixed mounting in the side, and is fixed mounting has the top spring housing, fixed mounting in the fixed mounting has the top on the side fixed mounting has the side fixed mounting in the side and fixed mounting has the top that is fixed mounting to the top to the side, the dust box bottom end fixed mounting has the seat of placing, it has the smooth box to place sliding connection in the seat, correspond smooth box department fixed mounting in the mount pad has the shower nozzle, be located the left side fixed mounting of drive tank in the base has the water pump, be provided with the aqua storage tank directly under being located the water pump in the base, be provided with inlet tube and outlet pipe on the water pump, just the inlet tube of water pump extends to in the aqua storage tank, fixed mounting has the connecting pipe on the outlet pipe of water pump, one side that the water pump was kept away from to the connecting pipe extends to in the mount pad and communicates in with the shower nozzle.

As a further scheme of the invention: the top fixed mounting of locating rack has two pivots, and two all overlap in the pivot is equipped with the limiting plate, can form spacingly through being provided with the limiting plate to the top of mainboard, further improves the fixity after the mainboard location, is favorable to the use of this equipment.

As a further scheme of the invention: every equal fixed mounting in both sides of pivot has the stopper, and every correspond two stopper departments in the limiting plate and all be provided with the arc wall, stopper sliding connection is in the arc wall, forms spacingly to the stopper through the arc wall for the limiting plate can stop after rotating ninety degrees at every turn, ensures that the limiting plate is more accurate when spacing, can avoid the separation between limiting plate and the pivot simultaneously.

As a further scheme of the invention: two limiting plates are arranged oppositely, one sides of the two limiting plates, which are close to each other, can limit and fix the top of the main board through the design, and the device is beneficial to use.

As a further scheme of the invention: the rotary seat is characterized in that a ball groove is formed in one side, close to the supporting seat, of the rotary seat, a plurality of balls are connected in the ball groove in a rolling mode, and friction force between the bottom end of the rotary seat and the supporting seat is smaller through the balls, so that energy consumption is reduced.

As a further scheme of the invention: the support seat is fixedly provided with the limiting ring, the limiting groove is formed in the position, corresponding to the limiting ring, of the outer side of the rotary seat, the limiting ring is slidably connected in the limiting groove and is limited through the limiting ring, separation between the support seat and the rotary seat can be avoided, and meanwhile the rotary seat is enabled to be stable when rotating.

As a further scheme of the invention: the support frame is fixed on both sides of base, and two equal fixed mounting in the backup pad in the top of support frame, through support frame to backup pad reinforcing support, can further improve the stability of backup pad.

As a further scheme of the invention: the air outlet has been seted up in the left side of dust collection box, and fixed mounting has the filter screen in the air outlet, is convenient for exhaust through the air outlet, is favorable to dust absorption fan's work, and the filter screen can filter the dust for the dust falls into in the smooth box and collects, is favorable to the use of this equipment.

As a further scheme of the invention: the front end fixed mounting that lies in the check out test set body in the backup pad has control assembly, just control assembly's top fixed mounting has the display screen, is convenient for adjust this equipment of operation through control assembly, and the display screen shows the detection data, makes things convenient for the staff to judge and handles.

As a further scheme of the invention: the locating rack is located the equal fixed mounting in both sides of roof, just the both sides of roof correspond locating rack department and all are provided with the opening, in the locating rack passed the opening, can be fixed to the front and back end formation of mainboard through the locating rack, improve holistic stability.

Compared with the prior art, the invention has the beneficial effects that:

1. in the invention, when in use, the two limiting plates are rotated forwards, then the main plate is vertically inserted into the positioning frame, so that the top plate is pressed down to the placing plate, then the two limiting plates are reset, the bottom ends of the two limiting plates are propped against the top end of the main plate, the limiting fixation of the main plate can be formed, the positioning of the main plate is finished, at the moment, the switch of the motor is opened, the motor works, the output end on the motor drives the driving gear to rotate, the driven gear synchronously rotates due to the meshed connection of the driving gear, the driven gear drives the gear plate to rotate, the gear plate is meshed to be connected in the tooth socket, the rotary seat follows the gear plate to synchronously rotate, finally, the main plate fixed in the positioning frame rotates, at the moment, the dust suction fan works, the dust cylinder sucks dust on the main plate into the dust collection box in the rotating process, at last falls into the dust collection box, after cleaning, the main plate work of the detection device detects the main plate in the rotating, then the detection data are transmitted to the display screen to be displayed, the judgment of workers can be convenient, when the driving gear is meshed to be connected to the driven by the driven gear, the driven gear plate rotates forwards, the driven by the driven gear plate synchronously rotates, the sliding plate rotates, the top end is driven by the sliding plate to be retracted in the water storage box, the water spray box is conveniently, the dust is conveniently cleaned, and the dust is conveniently sprayed out of the dust collection box is conveniently, and the dust is conveniently cleaned out of the dust collection box by the sliding box, and is conveniently and the dust is conveniently cleaned, and the dust is conveniently cleaned out by the sliding box, and the dust box. The assembly can carry out omnibearing fixed limit on the main board, so that the main board detection work is convenient, the work efficiency is further improved, and meanwhile, the assembly can eject the main board out of the positioning frame after the detection is finished, so that the work of taking out of workers is facilitated.

2. According to the invention, the main board can be dedusted through the mutual matching of the air duct, the mounting seat, the dust box, the placement seat and the sliding box, so that the influence of sundry dust on the main board on the detection result is avoided, and the detection accuracy is further improved.

3. According to the invention, through the mutual matching of the spray head, the water pump, the connecting pipe and the water storage tank, accumulated dust can be moistened and agglomerated when the sliding box needs to be cleaned, so that the pollution to the environment in a workshop caused by the fact that the dust flies and flies when the dust is treated is avoided.

Drawings

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

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a schematic view showing the internal structure of the limiting plate according to the present invention;

FIG. 4 is an enlarged view of FIG. 2A in accordance with the present invention;

FIG. 5 is an enlarged view of B of FIG. 3 in accordance with the present invention;

fig. 6 is an enlarged view of C of fig. 2 in accordance with the present invention.

In the figure: 1. a base; 2. a support plate; 3. a support base; 4. rotating base; 5. placing a plate; 6. tooth slots; 7. a gear plate; 8. a top plate; 9. a positioning frame; 10. a limiting plate; 11. a rotating shaft; 12. a detection device body; 13. a driving groove; 14. a driven gear; 15. a motor; 16. a mounting groove; 17. a drive gear; 18. a support frame; 19. a water storage tank; 20. a water pump; 21. a placement seat; 22. a slide box; 23. a dust collection box; 24. a mounting base; 25. an air outlet; 26. a dust collection fan; 27. an air duct; 28. a spray head; 29. a connecting pipe; 30. a spring; 31. a slide block; 32. a chute; 33. a limiting block; 34. a limit groove; 35. a limiting ring; 36. a ball; 37. a ball groove; 38. a display screen; 39. a control assembly; 40. a limiting frame; 41. an arc-shaped groove.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-6, in an embodiment of the invention, a motherboard positioning and clamping device and motherboard detecting equipment comprises a base 1, a supporting plate 2 is fixedly installed on the base 1, a supporting seat 3 is fixedly installed on the supporting plate 2, a rotating seat 4 is arranged in the supporting seat 3, the top end of the rotating seat 4 extends out of the supporting seat 3, a tooth slot 6 is arranged in the rotating seat 4, a gear disk 7 is connected in the tooth slot 6 in a meshed manner, a driving slot 13 is arranged in the base 1, a driven gear 14 is arranged in the driving slot 13, the bottom end of the driven gear 14 is rotationally connected in the inner wall of the base 1, the top end of the driven gear 14 extends into the tooth slot 6 and is fixedly installed at the bottom end of the gear disk 7, a driving gear 17 is connected on the right side of the driven gear 14 in a meshed manner, the top end and the bottom end of the driving gear 17 are rotationally connected in the inner wall of the base 1, a mounting slot 16 is arranged right below the driving gear 17 in the base 1, the motor 15 is fixedly arranged in the mounting groove 16, the output end of the motor 15 is fixedly arranged at the bottom end of the driving gear 17, the top end of the rotary seat 4 is fixedly provided with the placing plate 5, the placing plate 5 is fixedly provided with the positioning frame 9, the positioning frame 9 is internally provided with the top plate 8, both sides of the top plate 8 are fixedly provided with the sliding blocks 31, the positions corresponding to the two sliding blocks 31 in the positioning frame 9 are respectively provided with the sliding grooves 32, the sliding blocks 31 are in sliding connection in the sliding grooves 32, the top ends of the two sliding blocks 31 are respectively fixedly provided with the springs 30, the top ends of the two springs 30 are respectively fixedly arranged on the inner wall of the sliding grooves 32, the right side of the supporting plate 2, which is positioned on the supporting seat 3, is fixedly provided with the detection equipment body 12, the left side of the supporting plate 2, which is positioned on the supporting seat 3, is fixedly provided with the mounting seat 24, the right side of the mounting seat 24 is fixedly provided with the air duct 27, the position corresponding to the air duct 27 in the mounting seat 24 is fixedly provided with the dust suction fan 26, the left side fixed mounting of mount pad 24 has dust collection box 23, dust collection box 23 bottom fixed mounting has place seat 21, sliding connection has smooth box 22 in placing seat 21, it has shower nozzle 28 to correspond smooth box 22 department fixed mounting in the mount pad 24, be located the left side fixed mounting of drive tank 13 in the base 1 has water pump 20, be provided with aqua storage tank 19 in the base 1 under being located water pump 20, be provided with inlet tube and outlet pipe on the water pump 20, and the inlet tube of water pump 20 extends to in the aqua storage tank 19, fixed mounting has connecting pipe 29 on the outlet pipe of water pump 20, one side that connecting pipe 29 kept away from water pump 20 extends to in the mount pad 24 and communicates with the shower nozzle 28.

Wherein, the top fixed mounting of locating rack 9 has two pivots 11, and all overlaps in two pivots 11 and is equipped with limiting plate 10, can form spacingly through being provided with limiting plate 10 to the top of mainboard, further improves the fixity after the mainboard location, is favorable to the use of this equipment.

Wherein, the both sides of every pivot 11 are all fixed mounting has stopper 33, and corresponds two stopper 33 departments in every limiting plate 10 and all is provided with arc wall 41, stopper 33 sliding connection in arc wall 41, forms spacingly to stopper 33 through arc wall 41 for limiting plate 10 can stop after rotating ninety degrees at every turn, ensures that limiting plate 10 is more accurate when spacing, can avoid the separation between limiting plate 10 and pivot 11 simultaneously.

Wherein, two limiting plates 10 are relative setting, make two limiting plates 10 each other be close to one side through this kind of design all can carry out spacing fixed to the top of mainboard, be favorable to the use of this equipment.

Wherein, all be provided with ball groove 37 on the side that is close to each other of swivel mount 4 and supporting seat 3, and roll in the ball groove 37 and be connected with a plurality of balls 36, make swivel mount 4 bottom and supporting seat 3 between rotate frictional force less through ball 36 to less energy consumption.

Wherein, fixed mounting has spacing ring 35 on supporting seat 3, and spacing groove 34 has been seted up to spacing ring 35 department corresponding in the outside of swivel mount 4, and spacing ring 35 sliding connection is spacing in spacing groove 34, carries out spacingly through spacing ring 35, can avoid the separation between supporting seat 3 and swivel mount 4, makes swivel mount 4 more steady when rotatory simultaneously.

Wherein, the support frame 18 is all fixed mounting in the both sides of base 1, and the equal fixed mounting in top of two support frames 18 is in backup pad 2, strengthens the support to backup pad 2 through support frame 18, can further improve backup pad 2's stability.

Wherein, air outlet 25 has been seted up in the left side of dust-collecting box 23, and the internally mounted of air outlet 25 has the filter screen, is convenient for exhaust through air outlet 25, is favorable to the work of dust absorption fan 26, and the filter screen can filter the dust for the dust falls into in the smooth box 22 and collects, is favorable to the use of this equipment.

The front end of the supporting plate 2, which is located on the detecting device body 12, is fixedly provided with a control assembly 39, the top end of the control assembly 39 is fixedly provided with a display screen 38, the detecting device is convenient to adjust and operate through the control assembly 39, the display screen 38 displays detecting data, and the detecting device is convenient for staff to judge and process.

Wherein, the equal fixed mounting in both sides that lie in roof 8 in locating rack 9 has spacing 40, and the both sides of roof 8 correspond spacing 40 department and all are provided with the opening, and spacing 40 passes in the opening, can be fixed to the front and back end formation of mainboard through spacing 40, improves holistic stability.

The working principle of the invention is as follows: when in use, the two limiting plates 10 are rotated forwards, then the main plate is vertically inserted into the positioning frame 9, so that the top plate 8 is pressed down onto the placing plate 5, then the two limiting plates 10 are reset, the bottom ends of the two limiting plates 10 are propped against the top end of the main plate, limiting fixation can be formed on the main plate, positioning of the main plate is completed, at the moment, the switch of the motor 15 is opened, the motor 15 works, the output end on the motor 15 drives the driving gear 17 to rotate, the driving gear 17 is meshed and connected with the driven gear 14, the driven gear 14 synchronously rotates, the driven gear 14 drives the gear disc 7 to rotate, the gear disc 7 is meshed and connected with the tooth grooves 6, so that the rotary seat 4 synchronously rotates along with the gear disc 7, finally, the main plate fixed in the positioning frame 9 rotates, at the moment, the dust suction fan 26 works, and the air duct 27 generates suction force, the air duct 27 sucks dust on the main board into the dust box 23 in the main board rotation process and finally falls into the slide box 22 to be collected, after cleaning, the detection equipment body 12 works to detect the main board in rotation, then detection data are conveyed to the display screen 38 to be displayed, the judgment of workers can be facilitated, when the main board needs to be taken out, the two limiting plates 10 are rotated forwards, at the moment, the top ends of the main board lose the limit, the spring 30 contracts to drive the slide block 31 to slide upwards in the slide groove 32, the slide block 31 drives the top plate 8 to rise in the positioning frame 9, the top ends of the main board extend out of the positioning frame 9, the workers can conveniently pull out the main board, when the dust in the slide box 22 needs to be cleaned, the switch of the water pump 20 is turned on, the water in the water storage tank 19 is conveyed into the spray head 28 through the connecting pipe 29, the spray head 28 is sprayed towards the slide box 22, the accumulated dust is wet and caked, the sliding box 22 can be pulled out to clean dust and sundries, the main board detection equipment is convenient to use, the main board can be fixed and limited in all directions through the components, the main board detection work is convenient, the work efficiency is further improved, meanwhile, the main board can be ejected out of the positioning frame 9 after the detection is finished through the components, and the work of taking out of workers is convenient;

through the mutual matching of the air duct 27, the mounting seat 24, the dust box 23, the placement seat 21 and the slide box 22, the main board can be dedusted, so that the influence of sundry dust on the main board on the detection result is avoided, and the detection accuracy is further improved;

through the mutual cooperation of the spray head 28, the water pump 20, the connecting pipe 29 and the water storage tank 19, the accumulated dust can be moistened and agglomerated when the sliding box 22 needs to be cleaned, so that the pollution to the environment in a workshop caused by the fact that the dust flies and flies when the dust is treated is avoided.

The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims

1. A motherboard test apparatus, characterized in that: including base (1), fixed mounting backup pad (2) on base (1), fixed mounting has supporting seat (3) on backup pad (2), be provided with swivel mount (4) in supporting seat (3), just outside supporting seat (3) are extended on the top of swivel mount (4), be provided with tooth's socket (6) in swivel mount (4), tooth's socket (6) internal engagement is connected with gear dish (7), be provided with driving groove (13) in base (1), be provided with driven gear (14) in driving groove (13), the bottom rotation of driven gear (14) is connected in the inner wall of base (1), the top of driven gear (14) extends to in tooth's socket (6) and fixed mounting is in the bottom of tooth's dish (7), the right side meshing of driven gear (14) is connected with driving gear (17), just top and the bottom of driving gear (17) all rotate and connect in the inner wall of base (1), be provided with motor (16) under driving gear (17) in base (1), motor (16) are installed in the bottom of driven gear (14) and are installed in fixed mounting groove (15) and are installed in fixed mounting top (15), the utility model discloses a device for detecting the position of the mobile phone, which comprises a placing plate (5), wherein a locating rack (9) is fixedly arranged on the placing plate (5), a top plate (8) is arranged in the locating rack (9), sliding blocks (31) are fixedly arranged on two sides of the top plate (8), sliding grooves (32) are respectively arranged in the locating rack (9) corresponding to the two sliding blocks (31), the sliding blocks (31) are slidably connected in the sliding grooves (32), springs (30) are fixedly arranged on the top ends of the two sliding blocks (31), the top ends of the two springs (30) are fixedly arranged on the inner wall of the sliding grooves (32), a detection device body (12) is fixedly arranged on the right side of a supporting seat (3) on the supporting plate (2), the dust collection device is characterized in that an installation seat (24) is fixedly installed on the left side of the support seat (3) on the support plate (2), an air duct (27) is fixedly installed on the right side of the installation seat (24), a dust collection fan (26) is fixedly installed in the installation seat (24) corresponding to the air duct (27), a dust collection box (23) is fixedly installed on the left side of the installation seat (24), a placement seat (21) is fixedly installed at the bottom end of the dust collection box (23), a sliding box (22) is connected in the placement seat (21) in a sliding mode, a spray head (28) is fixedly installed in the installation seat (24) corresponding to the sliding box (22), the novel water storage device is characterized in that a water pump (20) is fixedly arranged on the left side of the driving groove (13) in the base (1), a water storage groove (19) is arranged right below the water pump (20) in the base (1), a water inlet pipe and a water outlet pipe are arranged on the water pump (20), the water inlet pipe of the water pump (20) extends into the water storage groove (19), a connecting pipe (29) is fixedly arranged on the water outlet pipe of the water pump (20), and one side, far away from the water pump (20), of the connecting pipe (29) extends into the mounting seat (24) and is communicated with the spray head (28).

2. The motherboard testing apparatus of claim 1, wherein: two rotating shafts (11) are fixedly arranged at the top ends of the positioning frames (9), and limiting plates (10) are sleeved on the two rotating shafts (11).

3. The motherboard testing apparatus of claim 2, wherein: limiting blocks (33) are fixedly mounted on two sides of each rotating shaft (11), arc-shaped grooves (41) are formed in the limiting plates (10) corresponding to the two limiting blocks (33), and the limiting blocks (33) are slidably connected in the arc-shaped grooves (41).

4. A motherboard testing device according to claim 3, wherein: the two limiting plates (10) are oppositely arranged.

5. The motherboard testing apparatus of claim 1, wherein: the rotary seat (4) and the supporting seat (3) are provided with ball grooves (37) on one side close to each other, and a plurality of balls (36) are connected in the ball grooves (37) in a rolling way.

6. The motherboard testing apparatus of claim 1, wherein: the support seat (3) is fixedly provided with a limiting ring (35), a limiting groove (34) is formed in the outer side of the swivel seat (4) corresponding to the limiting ring (35), and the limiting ring (35) is slidably connected in the limiting groove (34).

7. The motherboard testing apparatus of claim 1, wherein: the two sides of the base (1) are fixedly provided with supporting frames (18), and the top ends of the two supporting frames (18) are fixedly arranged on the supporting plate (2).

8. The motherboard testing apparatus of claim 1, wherein: an air outlet (25) is formed in the left side of the dust box (23), and a filter screen is fixedly arranged in the air outlet (25).

9. The motherboard testing apparatus of claim 1, wherein: the front end of the supporting plate (2) positioned on the detection equipment body (12) is fixedly provided with a control assembly (39), and the top end of the control assembly (39) is fixedly provided with a display screen (38).

10. The motherboard testing apparatus of claim 1, wherein: limiting frames (40) are fixedly installed on two sides, located on the top plate (8), of the locating frame (9), through holes are formed in the two sides, corresponding to the limiting frames (40), of the top plate (8), and the limiting frames (40) penetrate through the through holes.