CN212989548U - Transformer voltage withstand test fixture - Google Patents
Transformer voltage withstand test fixture Download PDFInfo
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- CN212989548U CN212989548U CN202021820233.3U CN202021820233U CN212989548U CN 212989548 U CN212989548 U CN 212989548U CN 202021820233 U CN202021820233 U CN 202021820233U CN 212989548 U CN212989548 U CN 212989548U
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- transformer
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- withstand voltage
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Abstract
The utility model discloses a transformer withstand voltage test fixture, include: a base and two supporting plates. Two backup pads respectively with base sliding connection, two backup pads set up on the base side by side, the one side that two backup pads are relative respectively is equipped with a slice sheetmetal, sheetmetal and withstand voltage tester electric connection. According to above-mentioned technical scheme's transformer high-voltage insulation test tool, can adjust the interval between the backup pad through the slip backup pad, make the different width's of different specifications transformer all can place on the tool to make pin and sheetmetal contact, through sheetmetal and withstand voltage tester electric connection, realize the high-voltage insulation test to the transformer of different specifications, need not to redesign tool, convenient to use to the transformer of different specifications.
Description
Technical Field
The utility model relates to a transformer test fixture field, in particular to transformer withstand voltage test fixture.
Background
Before leaving the factory, the transformer needs to be subjected to voltage withstanding test to test whether the winding is in electric leakage or not. The existing voltage withstand test fixture for the transformer generally adopts a probe or a metal sheet to contact with a pin of the transformer, so that the transformer is electrically connected with a voltage withstand tester, and the voltage withstand performance of the transformer is tested in a mode of applying high voltage to the transformer to be tested and testing leakage current. However, the above-mentioned jigs can only be adapted to the testing of transformers of one specification, and cannot test transformers of multiple specifications, and if testing transformers of different specifications, jigs of different specifications need to be manufactured.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a withstand voltage test fixture of transformer can adapt to the transformer of different specifications, realizes the withstand voltage test to the transformer of different specifications.
According to the utility model discloses a transformer withstand voltage test tool of first aspect embodiment, include: a base; the two supporting plates are respectively connected with the base in a sliding mode, the two supporting plates are arranged on the base side by side, one side, opposite to the two supporting plates, of each supporting plate is provided with a metal sheet, and the metal sheets are electrically connected with the voltage-resistant tester.
According to the utility model discloses withstand voltage test fixture of transformer has following beneficial effect at least: when the transformer support plate is used, the distance between the two support plates can be adjusted by sliding the two support plates so as to adapt to transformers of different specifications. After the distance between the supporting plates is adjusted, the transformer is arranged between the two supporting plates in a spanning mode, pins of a winding of the transformer are respectively in contact with the metal sheets on the two supporting plates, and then the pins are electrically connected with a voltage-resistant tester, so that the voltage-resistant tester can apply high voltage to the transformer to test the voltage resistance of the winding.
According to the utility model discloses a some embodiments, be equipped with the slide rail of two at least parallels on the base, the both ends of backup pad correspond the parallel and are equipped with two at least sliders.
According to some embodiments of the present invention, two iron blocks are disposed between the supporting plates.
According to some embodiments of the present invention, each of the at least one side of the support plate is provided with a set screw, the set screw with the base threaded connection.
According to the utility model discloses a some embodiments, the both ends of sheetmetal are equipped with the bolt, it is equipped with two waist type holes to correspond in the backup pad, the sheetmetal passes through the bolt passes and corresponds waist type hole, deuterogamy the nut with the backup pad is connected.
According to some embodiments of the present invention, the base and the support plate are made of wood.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic top view of a voltage withstand test fixture for a transformer according to an embodiment of the present invention;
fig. 2 is a schematic view of a connection relationship between the supporting plate and the base according to the embodiment of the present invention.
Reference numerals:
the base 100, the iron block 110, the slide rail 120 and the positioning screw 130;
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 the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the present number, and the terms greater than, less than, within, etc. are understood as including the present number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1, according to the utility model discloses transformer withstand voltage test fixture, including base 100 and two backup pads 200, two backup pads 200 according to with many sliding connection, can slide relative to base 100. The two supporting plates 200 are disposed on the base 100 side by side, and a metal sheet 210 is disposed on each of opposite sides of the two supporting plates 200, and the metal sheet 210 can be electrically connected to the voltage tester. When the testing device is used, the metal sheets 210 are electrically connected with the withstand voltage tester through the conducting wires, the two supporting plates 200 are slid, and the distance between the two supporting plates 200 is adjusted, so that the distance between the metal sheets 210 on the supporting plates 200 is approximate to the pin distance of the transformer to be tested. And then the transformer to be tested is placed between the two supporting plates 200, so that the pins of the winding of the transformer to be tested are respectively contacted with the metal sheets 210 on the two supporting plates 200, finally, the voltage withstanding tester is started, high voltage electricity emitted by the voltage withstanding tester is transmitted to the metal sheets 210 through the conducting wires and then transmitted to the transformer to be tested, and the voltage withstanding tester tests the magnitude of leakage current to judge whether the winding of the transformer to be tested is well insulated. According to the transformer withstand voltage test fixture of above-mentioned technical scheme, can adjust the interval between two backup pads 200 through slip backup pad 200 to the transformer of different specifications is not needed to make the tool again in the test, convenient to use. Meanwhile, the conductive metal sheet 210 is arranged on one side of the supporting plate 200, so that the probability of being touched in use can be reduced, and the risk of contact of a user in testing is reduced.
The transformer withstand voltage test fixture according to the embodiment of the present invention is described in detail with a specific embodiment with reference to fig. 1 and 2. It is to be understood that the following description is illustrative only and is not intended as a specific limitation on the invention.
Referring to fig. 1, in this embodiment, an iron block 110 is disposed between two supporting plates 200, a transformer to be tested is spanned on the iron block 110 during use, pins contact with two metal sheets 210, and a voltage tester powers on a winding of the transformer during operation, so that the transformer can generate a magnetic field, so that the transformer has a certain attraction to the iron block 110, the pins and the metal sheets 210 contact more tightly under the action of the attraction force, the accuracy of a test result is ensured, and the transformer cannot be separated from a jig when the jig is impacted during testing. In this embodiment, at least one side of each supporting plate 200 is provided with a set screw 130, and the set screw 130 is screwed with the base 100. When the position of the supporting plate 200 is adjusted, the positioning screw 130 is rotated to separate the positioning screw 130 from the supporting plate 200, so that the supporting plate 200 can slide freely relative to the base 100. When the position of the supporting plate 200 is adjusted, the positioning screw 130 is rotated to make one end of the positioning screw 130 abut against the supporting plate 200, the friction force between the positioning screw 130 and the supporting plate 200 prevents the supporting plate 200 from sliding, so that the distance between the two supporting plates 200 can be fixed, and the position between the supporting plates 200 is ensured to be unchanged.
Referring to fig. 2, in some embodiments, the supporting plate 200 and the base 100 can be slidably connected by a manner that the sliding blocks 220 are matched with the sliding rails 120, at least two parallel sliding rails 120 should be disposed on the base 100, and at least two sliding blocks 220 should be disposed at two ends of the supporting plate 200 in parallel. In this embodiment, two pairs of parallel slide rails 120 are arranged side by side on the base 100, two pairs of parallel sliders 220 are correspondingly arranged on the lower surface of each support plate 200, the sliders 220 can freely slide on the slide rails 120, and the two pairs of four sliders 220 on each support plate 200 can make the support plate 200 be well supported by the sliders 220. In this embodiment, two ends of the metal sheet 210 are provided with bolts 211, two kidney-shaped holes are correspondingly provided on the support plate 200, and the bolts 211 on the metal sheet 210 pass through the kidney-shaped holes and are connected with the support plate 200 at the matching nuts. The nuts on the bolts 211 of the metal sheet 210 are loosened, so that the metal sheet 210 can slide along the waist-shaped hole, the height of the metal sheet 210 is adjusted, and the problem that the pins of the transformer to be tested are too short to contact with the metal sheet 210 is avoided. The metal sheet 210 is adjusted to a suitable height and then the nut is tightened to fixedly connect the metal sheet 210 with the support plate 200. In this embodiment, a rectangular boss is provided on a side of the metal sheet 210 facing the support plate 200 to guide the metal sheet 210 when moving along the kidney-shaped hole. In the embodiment, the supporting plate 200 and the base 100 are both made of wood, have good insulation, and are easy to process and light.
According to the utility model discloses transformer withstand voltage test fixture can adjust the interval between two backup pads through the slip backup pad to the transformer of adaptation different specifications can carry out withstand voltage test for the transformer of equidimension not, and convenient to use practices thrift the cost and the time of making the fixture again.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (6)
1. The utility model provides a withstand voltage test fixture of transformer which characterized in that includes:
a base;
the two supporting plates are respectively connected with the base in a sliding mode, the two supporting plates are arranged on the base side by side, one side, opposite to the two supporting plates, of each supporting plate is provided with a metal sheet, and the metal sheets are electrically connected with the voltage-resistant tester.
2. The jig for testing withstand voltage of transformer of claim 1, wherein the base is provided with at least two parallel slide rails, and two ends of the supporting plate are correspondingly provided with at least two sliding blocks in parallel.
3. The jig for testing withstand voltage of transformer according to claim 1, wherein an iron block is disposed between two supporting plates.
4. The jig for testing withstand voltage of transformer of claim 1, wherein at least one side of each supporting plate is provided with a positioning screw, and the positioning screw is in threaded connection with the base.
5. The jig for testing withstand voltage of transformer according to claim 3, wherein bolts are disposed at two ends of the metal sheet, two kidney-shaped holes are correspondingly disposed on the supporting plate, and the metal sheet passes through the corresponding kidney-shaped holes via the bolts and is connected to the supporting plate via nuts.
6. The jig of claim 1, wherein the base and the supporting plate are made of wood.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021820233.3U CN212989548U (en) | 2020-08-26 | 2020-08-26 | Transformer voltage withstand test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021820233.3U CN212989548U (en) | 2020-08-26 | 2020-08-26 | Transformer voltage withstand test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212989548U true CN212989548U (en) | 2021-04-16 |
Family
ID=75435449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021820233.3U Active CN212989548U (en) | 2020-08-26 | 2020-08-26 | Transformer voltage withstand test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212989548U (en) |
-
2020
- 2020-08-26 CN CN202021820233.3U patent/CN212989548U/en active Active
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210628 Address after: 519000 factory building 3 / F, building 4, zaobei Dongshan Industrial Zone, Baiyun Road, Qianshan, Zhuhai City, Guangdong Province Patentee after: ZHUHAI RUNGU ELECTRONIC Co.,Ltd. Address before: 519000 room 105-4404, No.6 Baohua Road, Hengqin New District, Zhuhai City, Guangdong Province (centralized office area) Patentee before: Zhuhai Hengqin Hengcheng New Energy Technology Co.,Ltd. |