CN211785899U - Circuit board insulation testing device and withstand voltage tester - Google Patents

Abstract

The utility model belongs to the technical field of withstand voltage test machine, especially, relate to a circuit board insulation test device and withstand voltage test machine, circuit board insulation test device includes first anchor clamps board, a plurality of first test pieces, the second anchor clamps board, a plurality of second test piece and a plurality of elastic component, first test piece is the matrix distribution and installs on first anchor clamps board and test end towards same one side of first anchor clamps board, the second test piece is matrix distribution movable mounting on the second anchor clamps board and test end towards same one side of second anchor clamps board, first test piece, second test piece and elastic component one-to-one setting, the elastic component compression sets up between corresponding second test piece and second anchor clamps board. The elastic piece can enable the testing end of the second testing piece to face outwards all the time through the elastic force of the elastic piece, so that the mounting gap between the first clamp plate and the second clamp plate is overcome, the first testing piece and the second testing piece are always kept in good elastic contact, and the accuracy of a testing result of the circuit board is guaranteed.

Description

Circuit board insulation testing device and withstand voltage tester

Technical Field

The utility model belongs to the technical field of withstand voltage test machine, especially, relate to a circuit board insulation test device and withstand voltage test machine.

Background

When a circuit board is subjected to a voltage withstanding test, the voltage withstanding capability of a solder resist on the circuit board needs to be tested, and the test method generally comprises the following steps: the circuit board is placed on a simulated first test piece to be defined as the high end of the test, then the second test piece of the conduction surface below the circuit board is set as the bottom end, and when the whole surface of the first test piece is abutted to the solder mask surface, the voltage resistance of the solder mask is detected through the leakage current of the high end and the low end. In the process of test, for improving efficiency of software testing, generally can be the matrix distribution with the first test of a plurality of and install on first anchor clamps board, be the matrix distribution with a plurality of second test correspondingly and install on second anchor clamps board, through making with first anchor clamps board and second anchor clamps board remove in opposite directions with the butt, realize the purpose of testing a plurality of circuit board simultaneously. However, in the testing process using this method, because there may be some installation gaps between each second testing piece and the second clamp plate, and there may be unevenness in the first clamp plate and/or the second clamp plate, when testing each circuit board simultaneously, there may be a gap generated by the contact between the solder mask of part of the first testing piece and the solder mask of the second testing piece, thereby increasing the space for actual testing, and causing the testing result to be inaccurate.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a circuit board insulation test device and withstand voltage test machine, when aiming at solving the insulating nature of withstand voltage test machine test a plurality of circuit board simultaneously among the prior art, have the unsafe technical problem of test result.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a circuit board insulation test device, includes first anchor clamps board, a plurality of first test piece, second anchor clamps board, a plurality of second test piece and a plurality of elastic component, first test piece be the matrix distribution install in just first test end orientation on the first anchor clamps board same one side of first anchor clamps board, the second test piece be matrix distribution movable mounting in just second test end orientation on the second anchor clamps board same one side of second anchor clamps board, first test piece the second test piece with the elastic component one-to-one sets up, the elastic component compression set up in corresponding the second test piece with between the second anchor clamps board.

Optionally, the second clamp plate includes first plate and second plate, be equipped with a plurality of open-ended installation positions that have on the first plate, the second test piece install in the installation position just the second test end is located in the opening, the second plate lid is located the second test piece deviates from the one end of second test end, the elastic component butt in the second plate with the second test piece deviate from between the one end of second test end.

Optionally, at least four elastic pieces are arranged between each second testing piece and the second plate.

Optionally, the four elastic pieces are distributed in a matrix at four corners of the second test piece.

Optionally, the elastic member is a spring or a torsion spring.

Optionally, a containing hole is formed in one side, facing the second testing piece, of the second plate, and one end of the elastic piece abuts against the bottom surface of the containing hole.

Optionally, a plurality of through holes distributed in a matrix are formed in the first plate, an annular plate strip is arranged on the hole wall of each through hole and located on one side far away from the second plate, and the hole wall of each through hole and the annular plate strip are jointly surrounded to form the installation position.

Optionally, the second test piece is provided with a mounting step for abutting against the annular strip.

The embodiment of the utility model provides a circuit board insulation test device's beneficial effect: compared with the prior art, the utility model discloses a circuit board insulation test device during the use, places the circuit board on first test piece earlier, then is close to first anchor clamps board and second anchor clamps board each other for the mutual butt of first test end of first test piece and the second test end of second test piece forms electric contact, thereby tests the circuit board. Because the elastic piece is arranged between the second test piece and the second clamp plate and is in a compression state, the second test end of the second test piece can always face to the outside (namely, one side of the second test piece faces to the first test piece is abutted) through the elastic piece, so that the second test piece can overcome the installation gap between the first clamp plate and the second clamp plate, the first test piece and the second test piece are always in good elastic contact (namely, the first test piece and the second test piece are guaranteed to form good electric contact), the accuracy of a test result of the circuit board is guaranteed, and the using effect is good.

The embodiment of the utility model provides another technical scheme: a withstand voltage test machine comprises the circuit board insulation test device.

The utility model discloses withstand voltage test machine owing to use has foretell circuit board insulation test device, can improve the degree of accuracy to circuit board insulation test effectively, has reduced widely because of the unsafe condition emergence of test result that leads to of bad electrical contact between first test piece and the second test piece.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a circuit board insulation testing apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic view of another angle structure of the insulation testing apparatus for circuit board of FIG. 1;

FIG. 3 is an exploded view of the circuit board insulation testing device of FIG. 1;

FIG. 4 is a schematic view of another angle structure of the insulation testing device of the circuit board of FIG. 3;

FIG. 5 is a schematic view of a portion of the circuit board insulation testing apparatus of FIG. 3;

fig. 6 is a schematic structural view of a second test piece of the circuit board insulation testing device of fig. 3.

Wherein, in the figures, the respective reference numerals:

10-a first clamp plate;

20 — a first test piece;

21 — a first test end;

30-a second clamp plate;

31 — a first plate; 32-a second plate; 311-mounting location; 312 — an annular strip; 313-a through hole; 321-a housing hole;

40-a second test piece;

41-second test end; 42, mounting a step;

50-elastic member.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1-6 are exemplary and intended to be used to illustrate the invention, but should not be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1, 3 and 5, the circuit board insulation testing apparatus provided by the embodiment of the present invention will now be described. The circuit board insulation testing device comprises a first clamp plate 10, a plurality of first testing pieces 20, a second clamp plate 30, a plurality of second testing pieces 40 and a plurality of elastic pieces 50, wherein the first testing pieces 20 are arranged on the first clamp plate 10 in a matrix distribution mode, the first testing ends 21 face the same side of the first clamp plate 10, the second testing pieces 40 are movably arranged on the second clamp plate 30 in a matrix distribution mode, the second testing ends 41 face the same side of the second clamp plate 30, the first testing pieces 20, the second testing pieces 40 and the elastic pieces 50 are arranged in a one-to-one correspondence mode, and the elastic pieces 50 are arranged between the corresponding second testing pieces 40 and the second clamp plate 30 in a compression mode.

The embodiment of the utility model provides a circuit board insulation test device compares with prior art, during the use, places the circuit board on first test piece 20 earlier, then is close to first anchor clamps board 10 and second anchor clamps board 30 each other for first test end 21 of first test piece 20 and the mutual butt of second test end 41 of second test piece 40 form electric contact, thereby test the circuit board. Because the elastic member 50 is disposed between the second testing member 40 and the second clamping plate 30, and the elastic member 50 is in a compressed state, the elastic member 50 can always push the second testing end 41 of the second testing member 40 outward (i.e., push and hold toward one side of the first testing member 20) by its own elastic force, so that the second testing member 40 can overcome the mounting gap existing between the first clamping plate 10 and the second clamping plate 30, and the first testing member 20 and the second testing member 40 always keep a good elastic contact (i.e., ensure a good electrical contact between the first testing member 20 and the second testing member 40), thereby ensuring the accuracy of the testing result of the circuit board and having a good use effect.

Wherein the elastic member 50 functions to: since the elastic member 50 is in a certain compressed state, when a gap between the first clamp plate 10 and the second clamp plate 30 is large, the elastic member 50 can press the second test piece 40 outwards by its own elastic force, so that the second test piece 40 and the first test piece 20 form a good contact; when the gap existing between the first jig plate 10 and the second jig plate 30 is small, the contact between the second test piece 40 and the first test piece 20 is good, and the contact of the elastic member 50 is further compressed therein, thereby overcoming the problem of poor contact due to the unevenness of installation between the first jig plate 10 and the second jig plate 30.

In another embodiment of the present invention, as shown in fig. 2, 3 and 4, the second clamp plate 30 includes a first plate 31 and a second plate 32, a plurality of installation positions 311 with openings are disposed on the first plate 31, the second testing member 40 is installed in the installation positions 311, the second testing end 41 is located in the opening, the second plate 32 covers one end of the second testing member 40 deviating from the second testing end 41, and the elastic member 50 abuts between one ends of the second plate 32 and the second testing member 40 deviating from the second testing end 41. Specifically, by providing the mounting locations 311 on the first plate 31, the second testing ends 41 of the second testing members 40 are located in the openings during mounting, which facilitates the second testing ends 41 of the second testing members 40 to abut against the first testing ends 21 of the first testing members 20 to form electrical contact; then, the second plate 32 is covered on the other side of each second testing member 40, so that the elastic member 50 is located between the second testing member 40 and the second plate 32, and thus, under the action of the elastic member 50, the second testing end 41 of the second testing member 40 always abuts against the opening, and an elastic buffer space is formed, so as to compensate for a possible gap between the first plate 31 and the first fixture plate 10, and ensure that the first testing member 20 and the second testing member 40 can have good electrical contact.

In another embodiment of the present invention, as shown in fig. 3 and 5, at least four elastic members 50 are disposed between each second testing member 40 and the second plate member 32. Specifically, by arranging four elastic members 50 between the second testing member 40 and the second plate member 32, it is ensured that the second testing member 40 is always subjected to the elastic force of the elastic members 50, and the situation that the electrical contact between the second testing member 40 and the first testing member 20 is poor due to the failure of the individual elastic members 50 is avoided.

In another embodiment of the present invention, as shown in fig. 3 and 5, four elastic members 50 are arranged in a matrix at four corners of the second test piece 40. Specifically, the elastic pieces 50 are arranged at the four corners of the second test piece 40, so that the four corners of the second test piece 40 are pushed outwards under uniform stress, and the second test piece 40 can form good electric contact with the first test piece 20, and the use effect is good.

In another embodiment of the present invention, as shown in fig. 5, the elastic member 50 is a spring or a torsion spring. Specifically, by using a good elastic force of a spring or a torsion spring, it is possible to effectively provide the second test piece 40 with a certain elastic buffer space to compensate for the gap between the first plate member 31 and the first clamp plate 10.

In another embodiment of the present invention, as shown in fig. 4, a containing hole 321 is formed on one side of the second plate 32 facing the second testing member 40, and one end of the elastic member 50 abuts against a bottom surface of the containing hole 321. Specifically, by providing the accommodating hole 321 on the second plate 32, one end of the elastic element 50 extends into the accommodating hole 321 and abuts against the bottom wall of the accommodating hole 321, so that the elastic element 50 can be prevented from falling or shifting relatively in the process of compression or extension, and the elastic direction of the elastic element 50 is always perpendicular to the back of the second test element 40, that is, the elastic element 50 is ensured to eject the second test element 40 toward the opening of the mounting position 311.

In another embodiment of the present invention, as shown in fig. 3, a plurality of through holes 313 are disposed on the first plate 31 in a matrix distribution, an annular lath 312 is disposed on one side of the through hole 313 away from the second plate 32, and the through hole wall of the through hole 313 and the annular lath 312 together enclose the installation position 311. Specifically, when the second testing member 40 is installed, the edge of the second testing member 40 abuts against one side of the annular strip 312, which faces the second plate 32, so that the structure is simple, the second testing member 40 can be prevented from separating from the second clamp plate 30, and the using effect is good.

In another embodiment of the present invention, as shown in fig. 6, the second test piece 40 is provided with a mounting step 42 for abutting against the annular strip 312. Specifically, by arranging the mounting step 42 on the second testing member 40, when mounting, the second testing end 41 of the second testing member 40 protrudes out of the opening of the mounting position 311, so that the second testing end 41 of the second testing member 40 can be ensured to be in good abutting contact with the first testing end 21 of the first testing member 20 to form an electrical contact, and a testing effect is ensured.

The embodiment of the utility model provides a still provide a withstand voltage test machine, including foretell circuit board insulation test device.

The utility model discloses withstand voltage test machine owing to use has foretell circuit board insulation test device, can improve the degree of accuracy to circuit board insulation test effectively, has reduced widely because of the unsafe condition emergence of test result that leads to of poor electrical contact between first test piece 20 and the second test piece 40.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (9)

1. The utility model provides a circuit board insulation test device which characterized in that: including first anchor clamps board, a plurality of first test piece, second anchor clamps board, a plurality of second test piece and a plurality of elastic component, first test piece be the matrix distribution install in on the first anchor clamps board and first test end orientation same one side of first anchor clamps board, the second test piece be matrix distribution movable mounting in on the second anchor clamps board and second test end orientation same one side of second anchor clamps board, first test piece the second test piece with the elastic component one-to-one sets up, the elastic component compression sets up in corresponding the second test piece with between the second anchor clamps board.

2. The circuit board insulation test device of claim 1, wherein: the second clamp plate comprises a first plate and a second plate, a plurality of installation positions with openings are arranged on the first plate, the second test piece is installed in the installation positions, the second test end is located in the openings, the second plate cover is arranged at one end, deviating from the second test end, of the second test piece, and the elastic piece is abutted to the second plate and the second test piece deviating from between one ends of the second test end.

3. The circuit board insulation test device of claim 2, wherein: at least four elastic pieces are arranged between each second testing piece and the second plate.

4. The circuit board insulation test device of claim 3, wherein: the four elastic pieces are distributed at four corners of the second test piece in a matrix manner.

5. The circuit board insulation test device of claim 2, wherein: the elastic piece is a spring or a torsion spring.

6. The circuit board insulation test device of claim 2, wherein: one side of the second plate facing the second test piece is provided with a containing hole, and one end of the elastic piece abuts against the bottom surface of the containing hole.

7. The circuit board insulation test device of claim 2, wherein: the mounting structure is characterized in that a plurality of through holes distributed in a matrix mode are formed in the first plate, an annular batten is arranged on one side, away from the second plate, of the hole wall of each through hole, and the hole wall of each through hole and the annular batten jointly enclose and form the mounting position.

8. The circuit board insulation test device of claim 7, wherein: and the second test piece is provided with an installation step used for being abutted against the annular batten.

9. A withstand voltage test machine is characterized in that: the circuit board insulation testing device comprises the circuit board insulation testing device as claimed in any one of claims 1-8.

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