CN216900869U

CN216900869U - Grounding test device and equipment

Info

Publication number: CN216900869U
Application number: CN202123105809.5U
Authority: CN
Inventors: 王宗友; 金斌; 莫尚志; 黄元恩
Original assignee: Shenzhen Sosen Electronics Co Ltd
Current assignee: Shenzhen Sosen Electronics Co Ltd
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-07-05
Anticipated expiration: 2031-12-06

Abstract

The utility model discloses a grounding test device and equipment, wherein the device comprises a bottom plate made of an insulating material and at least one connecting assembly made of a conductor material; the connecting assembly comprises a supporting piece arranged on the bottom plate, a fixing piece capable of sliding and rubbing in the vertical direction of the supporting piece to stay at any position, a conducting piece arranged on the fixing piece and capable of being communicated with the shell of the tested device, and a testing ground wire arranged on the supporting piece and capable of being connected with an external resistance testing device. When the grounding test device is matched with the resistance test device for use, the operation time of single wire clamping test when a grounding resistance tester is used can be saved, the insulation impedance between the ground wire of the tested device and the conductor shell can be rapidly detected, the operation efficiency is improved, and the false detection rate is reduced.

Description

Grounding test device and equipment

Technical Field

The utility model relates to the technical field of grounding test, in particular to a grounding test device and equipment.

Background

In the manufacturing process of an LED driving power supply enterprise, a product needs to be subjected to grounding test, and a metal shell of the driving power supply needs to be conducted with an AC ground wire during the test. Therefore, when the power supply product generates electric leakage or lightning stroke, the electric energy is transferred to the AC ground wire through the shell and is released to the ground, and the product is protected.

In order to detect whether the metal shell of the driving power supply is conducted with the AC ground wire and avoid the grounding failure of the metal shell, it is necessary to screen out the defective products exceeding the standard (100M Ω) by testing the insulation resistance. During the product ground test, use the resistance tester to test, press from both sides the test clip at the AC earth terminal of product, another test clip presss from both sides on the screw hole that the product switched on, tests the screening defective products. The common practice in the industry is to place a grounding resistance tester outside the line in a single test mode, so that the waste of personnel waiting occurs, and meanwhile, the actions are added without additional value, the time consumption is long, and the production efficiency is low. By using the clamp testing mode, misdetection is easily caused because the clamp is not clamped in place due to improper operation of personnel, secondary or tertiary testing is required, and the waste of repeated testing and reworking is caused.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a ground testing apparatus and a ground testing device, which are provided to overcome at least one of the drawbacks of the prior art.

The technical scheme adopted by the utility model for solving the technical problem is as follows: constructing a grounding test device comprising: a bottom plate made of an insulating material and at least one connection assembly made of a conductive material;

the connecting assembly comprises a supporting piece arranged on the bottom plate, a fixing piece capable of sliding and rubbing in the vertical direction of the supporting piece to stay at any position, a conducting piece arranged on the fixing piece and capable of being communicated with a conductor shell of the tested device, and a test ground wire arranged on the supporting piece and capable of being connected with an external resistance test device.

Preferably, in the ground test apparatus of the present invention, the ground test apparatus includes a plurality of connection assemblies fixed on one surface of the base plate and spaced from each other.

Preferably, in the grounding test device of the present invention, the connecting assembly further comprises at least one sliding column;

a sliding groove is formed in the supporting piece in the vertical direction, the first end of the sliding column transversely penetrates through the sliding groove to be connected with the fixing piece, and the second end of the sliding column is abutted to the opening end face of the sliding groove; the sliding column can slide and rub on the sliding groove and stay at any position of the sliding groove.

Preferably, in the ground test apparatus of the present invention, an outer diameter of the sliding column is slightly smaller than an inner diameter of the sliding groove to form a tight sliding.

Preferably, in the grounding test device of the present invention, the supporting member includes a base disposed on the bottom plate and a supporting bar vertically disposed on the base.

Preferably, in the ground test apparatus of the present invention, the test ground is connected to the base.

Preferably, in the ground test apparatus of the present invention, the connection assembly further includes a mounting member;

the conducting piece is installed on the installation piece, and the installation piece is fixed on one side of the fixing piece, which is back to the supporting piece.

Preferably, in the ground test apparatus of the present invention, the conducting member is a laterally arranged pillar.

The present invention also constructs a ground test apparatus comprising: any one of the above described grounding test device and resistance test device;

the conductor shell of the tested device is connected to the conducting part, and the test ground wire and the AC ground wire end of the tested device are connected to the resistance testing device.

Preferably, in the ground test apparatus according to the present invention, the resistance test device is connected to the test ground line through a test clip.

By implementing the utility model, the following beneficial effects are achieved:

the utility model relates to a grounding test device, which comprises a bottom plate made of insulating materials and at least one connecting assembly made of conductor materials; the connecting assembly comprises a supporting piece arranged on the bottom plate, a fixing piece capable of sliding and rubbing in the vertical direction of the supporting piece to stay at any position, a conducting piece arranged on the fixing piece and capable of being communicated with the shell of the tested device, and a testing ground wire arranged on the supporting piece and capable of being connected with an external resistance testing device. When the grounding test device is matched with the resistance test device for use, the operation time of single wire clamping test when a grounding resistance tester is used can be saved, the insulation impedance between the ground wire of the tested device and the conductor shell can be rapidly detected, the operation efficiency is improved, and the false detection rate is reduced.

Drawings

The utility model will be further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic structural view of a base plate having a plurality of connecting members according to the present invention;

FIG. 2 is a first schematic view of a connecting assembly of the present invention;

fig. 3 is a schematic structural view of a connecting assembly of the present invention.

Detailed Description

For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

In the following description, it is to be understood that the orientations and positional relationships indicated by "front", "rear", "upper", "lower", "left", "right", "longitudinal", "lateral", "vertical", "horizontal", "top", "bottom", "inner", "outer", "leading", "trailing", and the like are configured and operated in specific orientations based on the orientations and positional relationships shown in the drawings, and are only for convenience of describing the present invention, and do not indicate that the device or element referred to must have a specific orientation, and thus, are not to be construed as limiting the present invention.

As shown in fig. 1 to 3, the present invention discloses a grounding test device, comprising: a bottom plate 1 made of an insulating material and at least one connecting assembly 2 made of a conductive material. In some embodiments, the insulating material is, for example, silicone, plastic, glass, or ceramic, among others. The conductive material is, for example, metal or the like.

The connection assembly 2 comprises a support member 22 arranged on the bottom plate 1, a fixing member 24 capable of sliding and rubbing in the vertical direction of the support member 22 to stay at any position, a conducting member 26 arranged on the fixing member 24 and capable of being communicated with the conductor housing of the device to be tested, and a test ground wire 21 arranged on the support member 22 and capable of being connected with an external resistance test device. In some embodiments, the device under test is an LED driving power supply. In other embodiments, the device under test may not be limited to an LED driving power supply.

In the present embodiment, as shown in fig. 1, in order to simultaneously test the insulation resistance of a plurality of devices under test, the grounding test apparatus includes a plurality of connecting assemblies 2 fixed on one surface of a base plate 1 and spaced apart from each other. Preferably, the plurality of connecting assemblies 2 are uniformly spaced and aligned.

In this embodiment, the connection assembly 2 further comprises at least one sliding column 23. The support member 22 is provided with a sliding groove 223 in the vertical direction, in some embodiments, the sliding groove 223 is a kidney-shaped hole, a first end of the sliding column 23 transversely penetrates through the sliding groove 223 to be connected with the fixing member 24, a second end of the sliding column 23 abuts against the opening end face of the sliding groove 223, and in some embodiments, a second end of the sliding column 23 is provided with a boss which can abut against the opening end face of the sliding groove 223. The sliding post 23 can slide and rub on the sliding groove 223 and stay at any position of the sliding groove 223. Specifically, the outer diameter of the sliding column 23 is slightly smaller than the inner diameter of the sliding groove 223, and the sliding column 23 forms a tight sliding by friction with the sliding groove 223 and can stay at any position of the sliding groove 223. In some embodiments, the connection assembly 2 includes two sliding columns 23 in the vertical direction.

In other embodiments, the inner sidewall of the sliding groove 223 is provided with a plurality of protruding detents to form a plurality of positions that can stay at predetermined positions.

In this embodiment, the supporting member 22 includes a base 221 disposed on the bottom plate 1 and a supporting bar 222 vertically disposed on the base 221. Wherein, the sliding groove 223 is opened on the supporting bar 222. In some embodiments, the base 221 and the supporting bars 222 are formed as a single body, the base 221 can be fixed on the bottom plate 1 by bonding or plugging, and the test ground 21 is connected to the base 221.

In this embodiment, the connection assembly 2 further comprises a mounting piece 25. The lead-through 26 is mounted on a mounting 25, the mounting 25 being fixed to the fixing member 24 on the side opposite to the support member 22. Also, in some embodiments, the vias 26 are laterally disposed posts for insertion into holes in the device under test enclosure, such as screw holes or eye holes.

The utility model also discloses a grounding test device, which comprises: any one of the above described grounding test device and resistance test device. In some embodiments, the resistance testing apparatus is an ATE, i.e., an integrated circuit automatic tester, which incorporates the functionality of the device under test enclosure and the ground test item on the ATE. Wherein the conductor housing of the device under test is connected to the conducting member 26 and the test ground 21 and the AC ground terminal of the device under test are connected to the resistance testing means. In some embodiments, the base plate 1 is placed on top of a resistance testing device, which is connected to a test ground 21 via a test clip.

Specifically, in the actual test, the metal casing of the device under test is fixed on the conducting part 26 of the grounding test device, and is connected to the test end of the resistance test device through the test ground wire 21, and the AC ground wire end of the device under test is also connected to the resistance test device.

It is to be understood that the foregoing examples, while indicating the preferred embodiments of the utility model, are given by way of illustration and description, and are not to be construed as limiting the scope of the utility model; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several changes and modifications can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.

Claims

1. An earth test apparatus, comprising: a bottom plate (1) made of insulating material and at least one connection assembly (2) made of conductive material;

the connecting assembly (2) comprises a supporting piece (22) arranged on the bottom plate (1), a fixing piece (24) capable of sliding and rubbing in the vertical direction of the supporting piece (22) to stay at any position, a conducting piece (26) arranged on the fixing piece (24) and capable of being connected with a conductor shell of the tested device, and a test ground wire (21) arranged on the supporting piece (22) and capable of being connected with an external resistance test device.

2. The grounding test device according to claim 1, characterized in that it comprises a plurality of connection assemblies (2) fixed on one face of the base plate (1) and arranged at a distance from each other.

3. The grounding test device according to claim 1, characterized in that the connection assembly (2) further comprises at least one sliding column (23);

a sliding groove (223) is formed in the supporting piece (22) in the vertical direction, the first end of the sliding column (23) transversely penetrates through the sliding groove (223) to be connected with the fixing piece (24), and the second end of the sliding column (23) is abutted to the opening end face of the sliding groove (223); the sliding column (23) can slide and rub on the sliding groove (223) and stay at any position of the sliding groove (223).

4. The ground testing device of claim 3, characterized in that the outer diameter of the sliding column (23) is slightly smaller than the inner diameter of the sliding groove (223) to form a tight sliding.

5. The grounding test device according to claim 1, characterized in that the support member (22) comprises a base (221) provided on the base plate (1) and a support bar (222) vertically provided on the base (221).

6. The grounding test device according to claim 5, characterized in that the test ground (21) is connected to the base (221).

7. The grounding test device according to claim 1, characterized in that the connection assembly (2) further comprises a mounting (25);

the conducting piece (26) is arranged on the mounting piece (25), and the mounting piece (25) is fixed on the side, opposite to the supporting piece (22), of the fixing piece (24).

8. The grounding test device according to claim 1, characterized in that the conducting member (26) is a laterally arranged cylinder.

9. An earth test apparatus, comprising: the grounding test device and the resistance test device of any one of claims 1 to 8;

the conductor housing of the device under test is connected to the conducting member (26), and the test ground (21) and the AC ground terminal of the device under test are connected to the resistance testing device.

10. The grounding test device according to claim 9, characterized in that the resistance test means are connected to the test ground (21) by means of a test clip.