CN112415363A - Efficient PCB board high-voltage testing machine - Google Patents

Abstract

The utility model provides an efficient PCB board high voltage test machine, includes table surface, high-voltage insulation tester, oven and mounting hole, the frame is installed through the backup pad at the back of table surface top, the spout has been seted up to the leftmost side between the backup pad, the baffle both ends are provided with the slider, and the slider card is in the spout, high-voltage insulation tester has been placed between the backup pad on baffle right side, the supporting leg is installed to table surface bottom both sides, the stool left end is connected with the mount pad, and has seted up the mounting hole on the mount pad, the mounting hole cover is on the axostylus axostyle of hinge, the stool bottom is connected with the bracing piece, and bracing piece top and stool bottom junction are provided with the spring, the bracing. According to the invention, the high-voltage insulation tester and the oven are directly arranged on the workbench, and the sliding partition plate is arranged, so that a PCB can be placed, and the storage is convenient.

Description

Efficient PCB board high-voltage testing machine

Technical Field

The invention relates to the technical field of PCB boards, in particular to a high-efficiency PCB board high-voltage testing machine.

Background

With the rapid development of semiconductor manufacturing technology, the integration level of IC devices has been rapidly increased, mounting technology has been shifted from mounting technology to surface mounting technology and has moved to chip scale packaging technology, and PCB is used as a main carrier for transmitting signals, so that the development of PCB toward high density is inevitable. Meanwhile, customers have increasingly strict requirements on the PCB, particularly in the life safety industry, some defects of the PCB, such as sundries among networks, incomplete etching, residual copper objects among the lines and the like, can affect the network resistance in actual production, when the defect board is tested by a common open-short circuit testing method, a testing result shows that the PCB is good, the PCB with huge potential safety hazard obviously flows out, and the development of a high-voltage electric testing machine capable of detecting the PCB problems also becomes the development trend of the industry. The PCB electrical property test mainly tests the conductivity and the insulativity of a circuit of a substrate, and the conductivity test is to judge whether the circuit is disconnected or not by measuring whether the resistance value between nodes in the same network is smaller than a conduction threshold value, namely the circuit is open; the insulation test is to determine whether the insulation network has a short circuit phenomenon, which is commonly referred to as a short circuit, by measuring whether the resistance value between nodes of different networks is greater than an insulation threshold value.

But current detection device still need come high-pressure test machine and other detection transport to the inconvenient accomodating of PCB board, in addition, in the testing process, the staff is in the state of standing for a long time, and easy fatigue leads to work efficiency to reduce.

Disclosure of Invention

The invention aims to provide a high-efficiency PCB high-voltage tester to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a high-efficiency PCB high-voltage testing machine comprises a workbench surface, sliding grooves, sliding blocks, a partition plate, supporting plates, a high-voltage insulation tester, an oven, supporting legs, hinges, stools, springs, supporting rods, an oven seat and mounting holes, wherein a frame is arranged at the back above the workbench surface through the supporting plates, the sliding grooves are formed in the leftmost side between the supporting plates, the partition plate is arranged in the sliding grooves, the sliding blocks are arranged at two ends of the partition plate and clamped in the sliding grooves, the high-voltage insulation tester is placed between the supporting plates on the right side of the partition plate, the oven seat is placed between the supporting plates on the right side of the high-voltage insulation tester, the supporting legs are arranged on two sides of the bottom of the workbench surface, the stools are arranged in the middle parts of the left sides of the supporting legs through the hinges, the stool is characterized in that a supporting rod is connected to the bottom of the stool, a spring is arranged at the joint of the top of the supporting rod and the bottom of the stool, and a step structure is arranged at the bottom of the supporting rod.

Preferably, the width of the working table is twice that of the high-voltage insulation tester.

Preferably, the stool is arranged to be a rotating structure, and the width range of the stool is-cm.

Preferably, the total length of the spring and the support rod is greater than the length from the stool to the horizontal ground.

Preferably, the method comprises the following steps:

(1) baking the board by using an oven at the temperature of 50-60 ℃/3 hours, cooling to room temperature, and selecting a pair of wires which are nearest to each other on the sample and are not mutually conducted;

(2) the high-voltage insulation tester is used for testing according to the operation specification, and the testing requirements are as follows:

a) the line distance is less than 3mil, the required voltage is 250v, and the current is 0.5A;

b) the line distance is more than or equal to 3mil, the required voltage is 500v, and the current is 0.5A;

and maintaining the power supply for 30+3/-0 seconds, and if the breakdown phenomenon occurs in the period, indicating that the sample is unqualified.

Compared with the prior art, the high-voltage insulation tester and the oven are directly arranged on the workbench, and the sliding partition plate is arranged, so that a PCB can be placed, and the storage is convenient; in addition, the stool capable of rotating is installed on the supporting legs through the hinges, convenience is brought to workers, meanwhile, the lower portion of the workbench is convenient to withdraw when the stool is not used, and influence on walking is avoided.

Drawings

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

fig. 2 is a schematic top view of the swivel stool of the present invention.

In the figure: 1. table surface, 2, spout, 3, slider, 4, baffle, 5, backup pad, 6, high-voltage insulation tester, 7, oven, 8, supporting leg, 9, hinge, 10, stool, 11, spring, 12, bracing piece, 13, mount pad, 14, mounting hole.

The parts of the invention are available both commercially and in private customizations.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the attached drawings and the detailed implementation modes.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Please refer to fig. 1-2. The embodiment of the high-efficiency PCB high-voltage testing machine provided by the invention comprises the following steps: a high-efficiency PCB high-voltage testing machine comprises a working table surface 1, a chute 2, a sliding block 3, a partition plate 4, a support plate 5, a high-voltage insulation tester 6, an oven 7, support legs 8, hinges 9, a stool 10, springs 11, a support rod 12, a mounting seat 13 and a mounting hole 14, wherein a frame is installed at the back above the working table surface 1 through the support plate 5, the chute 2 is arranged at the leftmost side between the support plates 5, the partition plate 4 is arranged in the chute 2, the sliding block 3 is arranged at two ends of the partition plate 4 and clamped in the chute 2, the high-voltage insulation tester 6 is arranged between the support plates 5 at the right side of the partition plate 4, the oven 7 is arranged between the support plates 5 at the right side of the high-voltage insulation tester 6, the support legs 8 are installed at two sides of the bottom of the working table surface 1, the stool, a mounting hole 14 is formed in the mounting seat 13, the mounting hole 14 is sleeved on a shaft rod of the hinge 9, the bottom of the stool 10 is connected with a support rod 12, a spring 11 is arranged at the joint of the top of the support rod 12 and the bottom of the stool 10, and the bottom of the support rod 12 is of a step structure;

the width of the working table surface 1 is twice that of the high-voltage insulation tester 6; the stool 10 is set to be a rotary structure, and the width range of the stool 10 is set to be 10-15 cm; the total length of the spring 11 and the support rod 12 is greater than the length from the stool 10 to the horizontal ground.

Examples

The test purpose is as follows: testing the insulating properties of circuit board materials

Instrumental article: high voltage insulation tester, oven.

The test method comprises the following steps: baking the board at 50-60 ℃/3 hours, cooling to room temperature, and selecting a pair of wires which are nearest to each other and are not mutually conducted on the sample; testing according to the operating specification of the high-voltage insulation tester, wherein the testing requirement is as follows:

a) the line spacing is less than 3mil, the required voltage is 250v, and the current is 0.5A.

b) The line distance is more than or equal to 3mil, the required voltage is 500v, and the current is 0.5A.

c) The voltage and current can be set according to customer requirements.

d) Or 1000V for double-sided boards and 500V for multilayer boards.

And maintaining the power supply for 30+3/-0 seconds, and if the breakdown phenomenon occurs in the period, indicating that the sample is unqualified.

Note that: (1) before testing, the test table must be cleaned and no metal can be present, so as not to affect the test result or get an electric shock. (2) High pressure resistant gloves are worn during operation.

Sampling method and frequency: take the finished board 1 PCS/cycle.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (5)

1. The utility model provides an efficient PCB board high pressure test machine, includes table surface (1), spout (2), slider (3), baffle (4), backup pad (5), high-voltage insulation tester (6), oven (7), supporting leg (8), hinge (9), stool (10), spring (11), bracing piece (12), mount pad (13) and mounting hole (14), its characterized in that: a frame is arranged at the back above the working table top (1) through a support plate (5), a chute (2) is arranged at the leftmost side between the support plates (5), a partition plate (4) is arranged in the chute (2), sliders (3) are arranged at two ends of the partition plate (4), the sliders (3) are clamped in the chute (2), a high-voltage insulation tester (6) is placed between the support plates (5) at the right side of the partition plate (4), an oven (7) is placed between the support plates (5) at the right side of the high-voltage insulation tester (6), support legs (8) are arranged at two sides of the bottom of the working table top (1), a stool (10) is arranged in the middle of the left side of each support leg (8) through a hinge (9), a mounting seat (13) is connected at the left end of the stool (10), a mounting hole (14) is formed in the mounting seat (13), and the mounting hole, the stool is characterized in that a supporting rod (12) is connected to the bottom of the stool (10), a spring (11) is arranged at the joint of the top of the supporting rod (12) and the bottom of the stool (10), and a step structure is arranged at the bottom of the supporting rod (12).

2. The high-efficiency PCB high-voltage testing machine as claimed in claim 1, wherein: the width of the working table top (1) is twice that of the high-voltage insulation tester (6).

3. The high-efficiency PCB high-voltage testing machine as claimed in claim 1, wherein: the stool (10) is arranged to be a rotating structure, and the width range of the stool (10) is 10-15 cm.

4. The high-efficiency PCB high-voltage testing machine as claimed in claim 1, wherein: the total length of the spring (11) and the support rod (12) is greater than the length from the stool (10) to the horizontal ground.

5. The high-efficiency PCB high-voltage testing machine as claimed in claim 1, comprising the steps of:

(1) baking the board by using an oven at the temperature of 50-60 ℃/3 hours, cooling to room temperature, and selecting a pair of wires which are nearest to each other on the sample and are not mutually conducted;

(2) the high-voltage insulation tester is used for testing according to the operation specification, and the testing requirements are as follows:

a) the line distance is less than 3mil, the required voltage is 250v, and the current is 0.5A;

b) the line distance is more than or equal to 3mil, the required voltage is 500v, and the current is 0.5A;

and maintaining the power supply for 30+3/-0 seconds, and if the breakdown phenomenon occurs in the period, indicating that the sample is unqualified.

Images