CN219201845U

CN219201845U - FPGA board card testing device

Info

Publication number: CN219201845U
Application number: CN202320688937.7U
Authority: CN
Inventors: 张义贵; 刘勇; 王旻; 张晓波
Original assignee: Tianjin Ruisheng Electronic Technology Co ltd
Current assignee: Tianjin Ruisheng Electronic Technology Co ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-06-16
Anticipated expiration: 2033-03-31

Abstract

The utility model relates to an FPGA board card testing device, which comprises a base and is characterized in that: the top of base is provided with buffer unit and connects buffer unit's integrated circuit board fixed station, the left and right sides at integrated circuit board fixed station top all is provided with the pushing mechanism that is used for fixed integrated circuit board, the base is provided with the mount at the rear end that is located the integrated circuit board fixed station, the top of mount is provided with test unit. This FPGA integrated circuit board testing arrangement, through arranging the integrated circuit board in the integrated circuit board fixed slot, then rotate the lead screw, make two sets of lead screws rotate simultaneously under the effect of synchronizing wheel and hold-in range, can promote the holding down plate and move down, compress tightly the both ends of integrated circuit board fixedly, accessible test element tests the integrated circuit board afterwards, make the integrated circuit board be difficult for the off normal at the in-process that detects, improve detection precision, when the integrated circuit board receives the striking, can punch a hole to buffer part, can play certain buffering guard action, can avoid the integrated circuit board directly to receive hard collision and damage, improve the security of integrated circuit board.

Description

FPGA board card testing device

Technical Field

The utility model relates to the technical field of circuit board detection, in particular to an FPGA board card testing device.

Background

The FPGA circuit board enables the circuit to be miniaturized and visualized, plays an important role in mass production of fixed circuits and optimizing the layout of electrical appliances, and after the FPGA circuit board is produced, the detection jig is required to be used for detecting the circuit board, so that whether the circuit board is a qualified product is detected.

In the prior art, as a circuit PCB board card testing device proposed by China patent (publication No. CN 216870698U), when the PCB board card is installed, the wiring end of the PCB board card is electrically connected with the fixed thimble, and the pressed thimble is abutted against the PCB board card.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides an FPGA board card testing device for solving the problems in the background.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a FPGA integrated circuit board testing arrangement, includes base, its characterized in that: the top of the base is provided with a buffer part and a board card fixing table connected with the buffer part, the left side and the right side of the top of the board card fixing table are respectively provided with a pressing mechanism for fixing the board card, the base is provided with a fixing frame at the rear end of the board card fixing table, and the top of the fixing frame is provided with a test part;

the pushing mechanism comprises screw rods arranged on the left side and the right side of the top of the board fixing table, synchronizing wheels are arranged at the bottoms of the two groups of screw rods, a synchronous belt is arranged between the two groups of synchronizing wheels, a lower pressing plate is arranged on the outer side threads of the screw rods, a rotary handle is arranged at the end part of the screw rods and positioned on the left side, and a second telescopic rod is arranged between the end part of the lower pressing plate and the board fixing table.

Preferably, the upper end surface of the board fixing table is provided with a board fixing groove, and an anti-slip pad is arranged on the inner side of the lower pressing plate.

Preferably, the buffer component comprises a plurality of groups of first springs positioned between the bottom of the board fixing table and the base, connecting blocks are fixedly arranged on the left side and the right side of the board fixing table, and a first telescopic rod connected with the base is arranged at the bottom of each connecting block.

Preferably, the test part comprises a cylinder arranged at the top of the fixing frame, a detection plate is arranged at the output end of the cylinder, and a plurality of groups of detection probes are arranged at the bottom of the detection plate.

Preferably, two groups of limit posts are arranged on the inner side of the fixing frame, and penetrate through the rear end of the detection plate and are in sliding connection with the detection plate, and a second spring is sleeved on the outer side of each limit post.

(III) beneficial effects

Compared with the prior art, the utility model provides an FPGA board card testing device, which comprises the following components

The beneficial effects are that:

this FPGA integrated circuit board testing arrangement, through arranging the integrated circuit board in the integrated circuit board fixed slot, then rotate the lead screw, make two sets of lead screws rotate simultaneously under the effect of synchronizing wheel and hold-in range, can promote the holding down plate and move down, compress tightly the both ends of integrated circuit board fixedly, accessible test element tests the integrated circuit board afterwards, make the integrated circuit board be difficult for the off normal at the in-process that detects, improve detection precision, when the integrated circuit board receives the striking, can punch a hole to buffer part, can play certain buffering guard action, can avoid the integrated circuit board directly to receive hard collision and damage, improve the security of integrated circuit board.

Drawings

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

FIG. 2 is an enlarged view of the utility model at A in FIG. 1;

fig. 3 is a block diagram of the pressing mechanism of fig. 1 according to the present utility model.

In the figure: 1 base, 2 first springs, 3 pick-up plates, 4 fixing frames, 5 cylinders, 6 second springs, 7 detection probes, 8 limit posts, 9 board fixing tables, 10 connecting blocks, 11 first telescopic rods, 12 synchronous belts, 13 synchronous wheels, 14 screw rods, 15 board fixing grooves, 16 anti-slip pads, 17 lower pressing plates and 18 second telescopic rods.

Detailed Description

The following description of the preferred embodiments of the present utility model is provided in connection with the accompanying drawings, and it is to be understood that the utility model is not limited thereto.

The drawings are simplified schematic views, and only the basic structure of the present utility model is schematically described, so that only the constitution related to the present utility model is shown.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner" and "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model, and furthermore, the terms "first", "second" are used for descriptive purposes only and should not be construed to indicate or imply relative importance or implying a number of the technical features indicated, whereby the features defining "first", "second" may explicitly or implicitly include one or more of such features, and in the description of the present utility model, unless otherwise indicated, "a plurality" means two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and for example, may be fixedly connected, may be detachably connected, or integrally connected, may be mechanically connected, may be electrically connected, may be directly connected, may be indirectly connected through an intermediate medium, and may be in communication with the inside of two elements, and the specific meaning of the terms in the present utility model may be understood as specific to one of ordinary skill in the art.

Referring to fig. 1-3, in the embodiment of the utility model, an FPGA board card testing device includes a base 1, a buffer component and a board card fixing table 9 connected with the buffer component are provided at the top of the base 1, when the board card is impacted in the process of pressing down detection, the buffer component can be used for buffering and protecting the board card, so as to improve the safety of the board card detection, pressing mechanisms for fixing the board card are provided at the left and right sides of the top of the board card fixing table 9, rapid pressing and positioning of the board card can be realized by the pressing mechanisms, a fixing frame 4 is provided at the rear end of the board card fixing table 9 on the base 1, a testing component is provided at the top of the fixing frame 4, and the testing component is used for testing the fixed board card;

the pushing mechanism comprises screw rods 14 arranged on the left side and the right side of the top of the board fixing table 9, synchronizing wheels 13 are arranged at the bottoms of the two groups of screw rods 14, a synchronous belt 12 is arranged between the two groups of synchronizing wheels 13, a lower pressing plate 17 is arranged on the outer side of each screw rod 14 in a threaded mode, a rotary handle is arranged at the end portion of each screw rod 14 on the left side, a second telescopic rod 18 is arranged between the end portion of each lower pressing plate 17 and the board fixing table 9, an FPGA is firstly arranged on the board fixing table 9, the left screw rods 14 are rotated by the rotary handles, the two groups of screw rods 14 are driven to rotate through the action of the synchronous wheels 13 and the synchronous belt 12, the lower pressing plates 17 on the outer sides slide up and down under the telescopic connection of the telescopic rods 18 under the action of the screw threads, and accordingly two ends of a board are pressed and fixed, and deviation of the board is avoided in the detection process.

Further, the upper end surface of the board fixing table 9 is provided with a board fixing groove 15, an anti-slip pad 16 is arranged on the inner side of the lower pressing plate 17, and the positioning effect of the board can be further enhanced through the effects of the board fixing groove 15 and the anti-slip pad 16, so that the subsequent detection precision is improved.

Further, the buffer component comprises a plurality of groups of first springs 2 positioned between the bottom of the board fixing table 9 and the base 1, connecting blocks 10 are fixedly installed on the left side and the right side of the board fixing table 9, a first telescopic rod 11 connected with the base 1 is arranged at the bottom of each connecting block 10, when the board is subjected to pressure detection, the board fixing table 9 can be integrally moved downwards, the first telescopic rod 11 and the first springs 2 are continuously telescopic and extruded, so that the pressure is slowed down, the stress damage of the board can be reduced, and the safety of board detection is improved.

Further, the test part comprises a cylinder 5 arranged at the top of the fixing frame 4, a detection plate 3 is arranged at the output end of the cylinder 5, a plurality of groups of detection probes 7 are arranged at the bottom of the detection plate 3, the detection probes 7 are driven to move downwards by the detection plate 3 by driving the cylinder 5, and the detection probes can be detected when the detection probes are contacted with the board card.

Further, two groups of limit posts 8 are arranged on the inner side of the fixing frame 4, the two groups of limit posts 8 penetrate through the rear end of the detection plate 3 and are in sliding connection with the detection plate, a second spring 6 is sleeved on the outer side of the limit posts 8, and in the downward movement of the detection plate 3, the rear end of the detection plate is always positioned on the outer side of the limit posts 8 to slide, so that the downward movement stability of the detection plate can be improved, and the safety effect of plate detection can be improved.

To sum up, according to the FPGA board testing device, firstly, the FPGA board is placed in the board fixing groove 15, the left side screw rod 14 is rotated by the rotating handle, the two groups of screw rods 14 are driven to rotate by the action of the synchronizing wheel 13 and the synchronous belt 12, under the telescopic connection of the telescopic rod 18, the lower pressing plate 17 at the outer side is enabled to slide up and down under the action of the screw thread force, so that the two ends of the board are pressed and fixed, the deviation generated in the detection process of the board is avoided, the air cylinder 5 is driven, the detection probe 7 is driven to move down by the detection board 3, the board can be detected when the detection board contacts with the board, the board fixing table 9 can be integrally moved down when the board is detected under the action of pressure, and the first telescopic rod 11 and the first spring 2 are continuously extruded in a telescopic manner, so that the pressure is slowed down, the stress damage of the board can be reduced, and the safety of board detection can be improved.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a FPGA integrated circuit board testing arrangement, includes base (1), its characterized in that: the test device comprises a base (1), wherein a buffer part and a board card fixing table (9) connected with the buffer part are arranged at the top of the base (1), pressing mechanisms for fixing a board card are arranged on the left side and the right side of the top of the board card fixing table (9), a fixing frame (4) is arranged at the rear end of the base (1) positioned at the board card fixing table (9), and a test part is arranged at the top of the fixing frame (4);

the pushing mechanism comprises screw rods (14) arranged on the left side and the right side of the top of the board fixing table (9), synchronizing wheels (13) are arranged at the bottoms of the screw rods (14), a synchronous belt (12) is arranged between the synchronizing wheels (13) in two groups, a lower pressing plate (17) is arranged on the outer side threads of the screw rods (14), a rotary handle is arranged at the end part of the screw rods (14) in the left side, and a second telescopic rod (18) is arranged between the end part of the lower pressing plate (17) and the board fixing table (9).

2. The FPGA board testing device of claim 1, wherein: the upper end face of the board fixing table (9) is provided with a board fixing groove (15), and an anti-slip pad (16) is arranged on the inner side of the lower pressing plate (17).

3. The FPGA board testing device of claim 1, wherein: the buffer component comprises a plurality of groups of first springs (2) positioned between the bottom of the board fixing table (9) and the base (1), connecting blocks (10) are fixedly installed on the left side and the right side of the board fixing table (9), and first telescopic rods (11) connected with the base (1) are arranged at the bottoms of the connecting blocks (10).

4. The FPGA board testing device of claim 1, wherein: the test part comprises an air cylinder (5) arranged at the top of the fixing frame (4), a detection plate (3) is arranged at the output end of the air cylinder (5), and a plurality of groups of detection probes (7) are arranged at the bottom of the detection plate (3).

5. The FPGA board testing device of claim 4, wherein: the inner side of the fixing frame (4) is provided with two groups of limiting columns (8), the two groups of limiting columns (8) penetrate through the rear end of the detection plate (3) and are in sliding connection with the detection plate, and the outer side of each limiting column (8) is sleeved with a second spring (6).