CN218824562U

CN218824562U - A device for short-term test PCBA

Info

Publication number: CN218824562U
Application number: CN202221425604.7U
Authority: CN
Inventors: 郑提康
Original assignee: Shandong Wanshuo Optoelectronic Equipment Co ltd
Current assignee: Shandong Wanshuo Optoelectronic Equipment Co ltd
Priority date: 2022-06-08
Filing date: 2022-06-08
Publication date: 2023-04-07
Anticipated expiration: 2032-06-08

Abstract

The utility model relates to a device for rapidly detecting PCBA, belonging to the technical field of PCB testing equipment, comprising a base, wherein a side plate is vertically arranged on one side of the base, a vertical shaft is arranged on the inner side of the side plate, and an upper pressure plate is sleeved on the vertical shaft; a lifting device is fixedly arranged on the base, and the free end of the lifting device is fixedly connected with the upper pressure plate; a needle plate is arranged on the base, and a supporting plate is arranged at the upper end of the needle plate; the needle plate lifting device is characterized in that a position switch is arranged on the side plate, a key and a display screen are arranged at the front end of the base, a switching power supply and a main control board are arranged in the base, and the needle plate, the lifting device, the key, the position switch, the display screen and the switching power supply are respectively electrically connected with the main control board. The utility model has the advantages of reasonable design, through control top board extrusion PCBA pin, make its and probe contact and connect the test main control board, compared with the prior art, the utility model discloses compare, the utility model discloses detection device degree of automation is high, and detection speed is fast, very big improvement PCBA production efficiency.

Description

A device for short-term test PCBA

Technical Field

The utility model belongs to the technical field of PCB board test equipment, concretely relates to a device for short-term test PCBA.

Background

In the production and processing process of the PCBA, the whole PCBA product cannot complete the functions according to the set design due to the inevitable leakage, error, reversal, short circuit and open circuit of factors such as a processing mode, a process and the like or due to abnormal phenomena such as failure of an electronic component and the like, in the daily production and processing process, in order to ensure the quality of the product, a set of simulation environment is usually set up according to the use environment of the product to test the PCBA, in the prior art, a manual wiring harness plugging mode is usually adopted to connect a load and each functional unit, and the state of the product is judged by measuring key position point electric signals of the PCBA through measuring instruments such as a universal meter, an oscilloscope and the like. Therefore, it is desirable to design a detection device capable of rapidly detecting the function of the PCBA.

SUMMERY OF THE UTILITY MODEL

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

a device for rapidly detecting PCBA comprises a base, wherein a side plate is vertically arranged on one side of the base, a vertical shaft is arranged on the inner side of the side plate, and an upper pressing plate is sleeved on the vertical shaft; a lifting device is fixedly arranged on the base, and the free end of the lifting device is fixedly connected with the upper pressure plate; a needle plate is arranged on the base, and a supporting plate is arranged at the upper end of the needle plate; the needle plate lifting device is characterized in that a position switch is arranged on the side plate, a key and a display screen are arranged at the front end of the base, a switch power supply and a main control board are arranged in the base, and the needle plate, the lifting device, the key, the position switch, the display screen and the switch power supply are respectively and electrically connected with the main control board.

Preferably, the lifting device is a cylinder, an electric cylinder or an oil cylinder.

Preferably, the maximum stroke of the lifting device is 125mm.

Preferably, be equipped with a plurality of probes on the faller, the probe is used for drawing forth PCBA's pin, the one end and the main control board electric connection of probe, the material of faller is insulating material, the faller passes through the annular knurl screw and is in on the base.

Preferably, the probe is a 0.7mm diameter probe.

Preferably, the upper pressure plate is provided with a plurality of nylon rods, and the nylon rods are abutted to PCBA pins; the upper pressing plate is made of an insulating material.

Preferably, the number of the keys is two, and the keys are used for controlling the lifting device to ascend or descend.

Preferably, the base is of a box-type structure and comprises a bottom shell and a bottom cover, the bottom cover is hinged to the bottom shell, and the switching power supply and the main control board are fixed on the bottom cover.

Preferably, the base and the side plate are made of insulating materials.

The utility model provides a device for short-term test PCBA, still includes power supply interface and drive interface, power supply interface and drive interface all set up the dorsal part at the curb plate, the drive interface provides drive power for hoisting device, the drive interface can be for the power supply interface or for pneumatic interface or for the oil pressure interface, the drive interface is equipped with quick plug.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model provides a device for short-term test PCBA, the utility model has the advantages of reasonable design, through control top board extrusion PCBA pin, make it and probe contact and connect the test main control board, compared with the prior art, the utility model discloses detection device degree of automation is high, and detection speed is fast, very big improvement PCBA production efficiency.

2. The utility model provides a device for short-term test PCBA, the utility model discloses upper plate and faller are detachable design in the device, can be according to the different quick replacement of product model, the utility model discloses device strong adaptability realizes a tractor serves several purposes, has reduced PCBA's detection cost and maintenance cost.

Drawings

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

fig. 2 is the schematic diagram of the internal structure of the base of the present invention.

In the figure: 1. the base, 2, hoisting device, 3, faller, 4, layer board, 5, wait to examine PCBA,6, top board, 7, vertical axis, 8, button, 9, position switch, 12, display screen, 13, switching power supply, 14, main control board, 15, curb plate, 17, nylon stick, 18, drain pan, 19, bottom.

Detailed Description

The following embodiments are described in detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all embodiments, and all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the present disclosure, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only relational terms determined for convenience in describing structural relationships of the components or elements of the present disclosure, and do not refer to any components or elements in the present disclosure, and are not to be construed as limiting the present disclosure.

As shown in fig. 1-2, an embodiment of the present invention provides a device for rapidly detecting a PCBA, including a base 1, a side plate 15 is vertically arranged on one side of the base 1, a vertical shaft 7 is arranged inside the side plate 15, and an upper pressing plate 6 is sleeved on the vertical shaft 7; a lifting device 2 is fixedly arranged on the base 1, and the free end of the lifting device 2 is fixedly connected with an upper pressure plate 6; a needle plate 3 is arranged on the base 1, and a supporting plate 4 is arranged at the upper end of the needle plate 3; the needle plate lifting device is characterized in that a position switch 9 is arranged on the side plate 15, a key 8 and a display screen 12 are arranged at the front end of the base 1, a switch power supply 13 and a main control board 14 are arranged in the base 1, and the needle plate 3, the lifting device 2, the key 8, the position switch 9, the display screen 12 and the switch power supply 13 are respectively electrically connected with the main control board 14. The embodiment of the utility model provides an in layer board 4 is used for supporting and fixed PCBA, conveniently puts fast and ensures that probe position and PCBA pin position are unanimous relatively. Compared with the prior art, the utility model discloses detection device degree of automation is high, and detection speed is fast, very big improvement PCBA's detection production efficiency.

Lifting device 2 is the cylinder or for the electric jar or for the hydro-cylinder, the embodiment of the utility model provides an in lifting device 2 can be for the cylinder or for the electric jar or for the hydro-cylinder, and what this embodiment adopted is the cylinder, and cylinder mechanism has the action fast, the advantage of easy control, and the solenoid valve that accessible cooperation 2 positions 5 leads to realizes electrical control.

The maximum travel of the lifting device 2 is 125mm.

Be equipped with a plurality of probes on the faller 3, the probe is used for drawing forth PCBA's pin, the one end and the 14 electric connection of main control board of probe, the material of faller 3 is insulating material, can adopt the preparation of 10mm thick ya keli board to form, the faller 3 passes through the annular knurl screw fixation on the base 1.

The probe is a 0.7mm diameter probe.

The upper pressing plate 6 is provided with a plurality of nylon rods 17, and the nylon rods 17 are abutted with PCBA pins; the upper pressing plate 6 is made of an insulating material and can be made of an acrylic plate with the thickness of 10 mm.

The number of the keys 8 is two, and the keys are used for controlling the lifting device 2 to ascend or descend. The embodiment of the utility model provides an in when two buttons 8 are pressed simultaneously, steerable hoisting device 2 drives the top board activity down, when pressing one of them button 8 alone, steerable hoisting device 2 drives the top board and rises the activity.

The base 1 is of a box-type structure, the base 1 comprises a bottom shell 18 and a bottom cover 19, the bottom cover 19 is hinged to the bottom shell 18, and the switching power supply 13 and the main control board 14 are fixed on the bottom cover 19. The embodiment of the utility model provides an in base 1 adopts box structure, at base 1 inside fixed switching power supply 13 and the main control board 14 of being equipped with, only need open 19 operations of bottom, convenient and practical when overhauing and maintaining.

The base 1 and the side plate 15 are made of insulating materials.

As a further preferred embodiment, a device for short-term test PCBA still includes power supply interface and drive interface, power supply interface and drive interface all set up the dorsal part at curb plate 15, the drive interface provides drive power for hoisting device 2, the drive interface can be for the power supply interface or for pneumatic interface or for the oil pressure interface, the drive interface is equipped with quick plug.

The utility model discloses a working process:

1) The PCBA 5 to be tested is placed on the pallet 4.

2) The main control board 13 receives instructions by pressing two keys 8, when the two keys 8 are pressed simultaneously, the pressing plate moves downwards, and when one key 8 is pressed alone, the upper pressing plate rises.

3) The lifting device 2 is controlled to move downwards, and the upper pressing plate 6 is driven to move downwards along the vertical shaft 7 in parallel.

4) The upper pressing plate 6 and the needle plate 3 jointly extrude the PCBA to be tested to enable the probe to be in contact with the PCBA to be tested, the nylon rod 17 on the lower pressing plate 6 is abutted to the pin of the PCBA to be tested to enable the pin to be in contact with the probe, and the PCBA and related modules such as input and output modules on the main control board 14 are communicated.

5) When the upper pressure plate 6 reaches the set position, the position switch 9 is triggered, and the lifting device 2 is controlled to stop pressing continuously.

6) When the main control board 13 receives the instruction of the position switch 9, the testing step is started to perform the test.

7) When the test is completed, the device displays the test OK on the display 12 and sends a prompt sound to complete the test.

Of course, the above embodiments are not intended to limit the present invention, and the present invention is not limited to the above embodiments, and the changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention should also belong to the protection scope of the present invention.

Claims

1. A device for rapid detection of a PCBA, comprising a base (1), characterized in that:

a side plate (15) is vertically arranged on one side of the base (1), a vertical shaft (7) is arranged on the inner side of the side plate (15), and an upper pressing plate (6) is sleeved on the vertical shaft (7); a lifting device (2) is fixedly arranged on the base (1), and the free end of the lifting device (2) is fixedly connected with an upper pressure plate (6); a needle plate (3) is arranged on the base (1), and a supporting plate (4) is arranged at the upper end of the needle plate (3); the needle plate (3), the lifting device (2), the keys (8), the position switch (9), the display screen (12) and the switch power supply (13) are respectively and electrically connected with the main control board (14);

the lifting device (2) is an air cylinder, an electric cylinder or an oil cylinder;

the probe is arranged on the needle plate (3) and used for contacting pins of the PCBA, one end of the probe is electrically connected with the main control board (14), and the needle plate (3) is made of an insulating material.

2. An apparatus for rapid detection of a PCBA in accordance with claim 1, wherein:

the maximum stroke of the lifting device (2) is 125mm.

3. An apparatus for rapid detection of a PCBA in accordance with claim 1, wherein:

the probe is a 0.7mm diameter probe.

4. An apparatus for rapid detection of a PCBA in accordance with claim 1, wherein:

the upper pressing plate (6) is provided with a plurality of nylon rods (17), and the nylon rods (17) are abutted with PCBA pins; the upper pressing plate (6) is made of an insulating material.

5. An apparatus for rapid detection of a PCBA in accordance with claim 1, wherein:

the number of the keys (8) is two, and the keys are used for controlling the lifting device (2) to ascend or descend.

6. An apparatus for rapid detection of a PCBA in accordance with claim 1, wherein:

the base (1) is of a box-type structure, the base (1) comprises a bottom shell (18) and a bottom cover (19), the bottom cover (19) is hinged to the bottom shell (18), and the switching power supply (13) and the main control board (14) are fixed to the bottom cover (19).

7. An apparatus for rapid detection of a PCBA in accordance with claim 1, wherein:

the base (1) and the side plates (15) are made of insulating materials.

8. An apparatus for rapid detection of a PCBA according to any one of claims 1-7, wherein:

still include power supply interface and drive interface, power supply interface and drive interface all set up the dorsal part at curb plate (15), the drive interface provides drive power for hoisting device (2), the drive interface is for power supply interface or for pneumatic interface or for the oil pressure interface, the drive interface is equipped with quick plug.