CN211878061U - Leakage current testing device - Google Patents
Leakage current testing device Download PDFInfo
- Publication number
- CN211878061U CN211878061U CN202020083091.0U CN202020083091U CN211878061U CN 211878061 U CN211878061 U CN 211878061U CN 202020083091 U CN202020083091 U CN 202020083091U CN 211878061 U CN211878061 U CN 211878061U
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- CN
- China
- Prior art keywords
- water tank
- leakage current
- hollow bolt
- spring
- pipe fitting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 230000001105 regulatory effect Effects 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 18
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 239000000945 filler Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 125000003003 spiro group Chemical group 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012353 t test Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Photovoltaic Devices (AREA)
Abstract
The utility model belongs to the technical field of leakage current test technique and specifically relates to a leakage current testing arrangement, the water tank comprises a water tank, pressure regulating mechanism is installed at the water tank top, the vertical screw of having seted up in water tank top one side, vertical spiro union has hollow bolt in the screw, install first conducting rod in the hollow bolt, the hollow bolt bottom is sealed by first sealed pad, first spring is installed to first conducting rod bottom, first spring bottom is connected with first pole piece, first pole piece sliding connection be in inside the hollow bolt, first conducting rod top and brush contact, the brush through adjust the structure with water tank upper surface connection, the utility model discloses can test the photovoltaic module leakage current condition under different atmospheric pressure, different water pressures.
Description
Technical Field
The utility model relates to a leakage current test technical field especially relates to a leakage current testing arrangement.
Background
At present, after the photovoltaic module is produced, wet leakage test is needed. The wet leakage test of the photovoltaic module is a mode for evaluating the insulation performance of the photovoltaic module under a humid working condition and verifying whether moisture of rain, fog, dew or melted snow can enter the interior of the photovoltaic module. If moisture enters, it may cause corrosion, electrical leakage or other safety issues with the photovoltaic module.
At present, the wet leakage test in the solar thin film photovoltaic industry can only detect the leakage current of the photovoltaic module at normal temperature and normal pressure, and cannot test the leakage current conditions of the photovoltaic module at different air pressures and different water pressures.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the current leakage current testing device that has the current shortcoming that wet electric leakage testing device can't test the leakage current of photovoltaic module under different atmospheric pressure, different water pressures among the prior art, and the leakage current testing device who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
designing a leakage current testing device, comprising a water tank, wherein a pressure regulating mechanism is installed at the top of the water tank, a screw hole is vertically formed in one side of the top of the water tank, a hollow bolt is vertically screwed in the screw hole, a first conductive rod is installed in the hollow bolt, the bottom of the hollow bolt is sealed by a first sealing gasket, a first spring is installed at the bottom of the first conductive rod, a first pole piece is connected to the bottom end of the first spring and is slidably connected to the inside of the hollow bolt, the top end of the first conductive rod is in contact with an electric brush, the electric brush is connected with the upper surface of the water tank through an adjusting structure, a sliding hole is vertically formed in one side of the bottom surface of the water tank, the axis of the sliding hole and the axis of the screw hole are in the same straight line, an insulating pipe is slidably connected in the sliding hole, and sealing filler, the insulating pipe fitting of slide opening top goes up the cover and is equipped with compression spring, insulating pipe fitting up end is installed the second and is sealed the pad, insulating pipe fitting internally mounted has the second conducting rod, the second conducting rod bottom is connected with the wire, second conducting rod top and second spring coupling, second spring top is connected with the second pole piece, second pole piece sliding connection be in the insulating pipe fitting, water tank one side bottom intercommunication has the water changing pipe.
Preferably, the pressure regulating mechanism comprises a cylinder, a movable rod and a piston, the bottom end of the cylinder is communicated with the upper surface of the water tank, the piston is movably connected in the cylinder, and the movable rod is connected to the upper surface of the piston.
Preferably, the adjusting structure comprises a supporting plate and a fixing bolt, the supporting plate is vertically welded on the upper surface of the water tank, a positioning groove is vertically formed in the middle of the supporting plate, and the electric brush is connected in the positioning groove through the fixing bolt.
Preferably, the first sealing gasket and the second sealing gasket are rubber gaskets, and the middle parts of the first sealing gasket and the second sealing gasket are provided with insertion holes for closing pens.
The utility model provides a pair of leakage current testing arrangement, beneficial effect lies in: this device is earlier taken off hollow bolt when using, insulating pipe fitting rebound under compression spring's effect, until extending the screw, with the vertical sealed pad of second of inserting of photovoltaic piece one end and with the contact of second pole piece, then establish the sealed pad cover of first on photovoltaic piece other end, then press down hollow bolt and with the hollow bolt spiro union in the screw, at this moment can adjust photovoltaic piece at the water tank height through rotating hollow bolt, with second conducting rod and first conducting rod switch-on current, can be with the leakage current of test photovoltaic piece.
Drawings
Fig. 1 is a schematic structural diagram of a leakage current testing apparatus provided by the present invention.
Fig. 2 is an enlarged view of a position a of the leakage current testing apparatus provided by the present invention.
Fig. 3 is a partial enlarged view of the leakage current testing apparatus provided by the present invention.
Fig. 4 is an enlarged view of an adjusting structure of the leakage current testing device of the present invention.
Fig. 5 is an enlarged view of the voltage regulating mechanism of the leakage current testing apparatus provided by the present invention.
In the figure: the water tank comprises a water tank 1, a cylinder 2, a movable rod 3, a piston 4, a supporting plate 5, a positioning groove 6, an electric brush 7, a fixing bolt 8, a hollow bolt 9, a first conducting rod 10, a first sealing gasket 11, a first spring 12, a first pole piece 13, an insulating pipe fitting 14, a compression spring 15, a second conducting rod 16, a second spring 17, a second pole piece 18, a second sealing gasket 19, a water changing pipe 20, a sealing filler 21, a screw hole 22 and a sliding hole 23.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Example 1
Referring to fig. 1, a leakage current testing device comprises a water tank 1, a pressure regulating mechanism is installed on the top of the water tank 1, a screw hole 22 is vertically formed in one side of the top of the water tank 1, a hollow bolt 9 is vertically screwed in the screw hole 22, a first conductive rod 10 is installed in the hollow bolt 9, the bottom of the hollow bolt 9 is sealed by a first sealing gasket 11, a first spring 12 is installed at the bottom of the first conductive rod 10, a first pole piece 13 is connected to the bottom end of the first spring 12, the first pole piece 13 is slidably connected inside the hollow bolt 9, the top end of the first conductive rod 10 is in contact with an electric brush 7, the electric brush 7 is connected with the upper surface of the water tank 1 through an adjusting structure, a sliding hole 23 is vertically formed in one side of the bottom surface of the water tank 1, the axis of the sliding hole 23 and the axis of the screw hole 22 are on the same, the cover is equipped with compression spring 15 on the insulating pipe fitting 14 of sliding hole 23 top, insulating pipe fitting 14 up end is installed the sealed 19 of second, insulating pipe fitting 14 internally mounted has second conducting rod 16, 16 bottoms of second conducting rod are connected with the wire, 16 tops of second conducting rod are connected with second spring 17, second spring 17 top is connected with second pole piece 18, 18 sliding connection of second pole piece are in insulating pipe fitting 14, 1 one side bottom intercommunication of water tank has water changing pipe 20, first sealed pad 11 and the sealed 19 of second are the rubber pad, and first sealed pad 11 and the sealed 19 middle part of second have all seted up a closed jack of pen. When the device is used, the hollow bolt 9 is taken down firstly, the insulating pipe fitting 14 moves upwards under the action of the compression spring 15 until the screw hole 22 extends out, one end of the photovoltaic piece is vertically inserted into the second sealing gasket 19 and contacts with the second pole piece 18, then the first sealing gasket 11 is sleeved on the other end of the photovoltaic piece, then the hollow bolt 9 is pressed downwards and the hollow bolt 9 is screwed in the screw hole 22, at the moment, the height of the photovoltaic piece in the water tank 1 can be adjusted by rotating the hollow bolt 9, the second conductive rod 16 and the first conductive rod 10 are connected with current, and the leakage current of the photovoltaic piece can be tested.
Example 2
On the basis of the above embodiment 1, the pressure regulating mechanism is optimized in this implementation, as shown in fig. 5, the pressure regulating mechanism includes a cylinder 2, a movable rod 3 and a piston 4, the bottom end of the cylinder 2 is communicated with the upper surface of the water tank 1, the piston 4 is movably connected in the cylinder 2, and the movable rod 3 is connected on the upper surface of the piston 4. The pressure regulating structure is used for regulating the pressure inside the water tank 1, so that the leakage current of the photovoltaic part under different pressures can be tested.
Example 3
On the basis of embodiment 1 or embodiment 2, this embodiment has optimized the regulation structure, as shown in fig. 4, the regulation structure includes backup pad 5 and fixing bolt 8, and backup pad 5 is vertical to be welded on water tank 1 upper surface, and the 5 middle parts of backup pad have vertically seted up constant head tank 6, and brush 7 passes through fixing bolt 8 to be connected in constant head tank 6. The adjusting structure can adjust the height of the electric brush 7, thereby ensuring that the electric brush 7 is always conducted with the first conductive rod 11.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (4)
1. The utility model provides a leakage current testing arrangement, includes water tank (1), its characterized in that: the pressure regulating mechanism is installed at the top of the water tank (1), a screw hole (22) is vertically formed in one side of the top of the water tank (1), a hollow bolt (9) is vertically screwed in the screw hole (22), a first conductive rod (10) is installed in the hollow bolt (9), the bottom of the hollow bolt (9) is sealed by a first sealing gasket (11), a first spring (12) is installed at the bottom of the first conductive rod (10), a first pole piece (13) is connected to the bottom end of the first spring (12), the first pole piece (13) is slidably connected to the inside of the hollow bolt (9), the top end of the first conductive rod (10) is in contact with an electric brush (7), the electric brush (7) is connected with the upper surface of the water tank (1) through a regulating structure, a sliding hole (23) is vertically formed in one side of the bottom surface of the water tank (1), and the axis of the sliding hole (23) and the axis of the screw hole (22), sliding connection has insulating pipe fitting (14) in sliding hole (23), insulating pipe fitting (14) with sliding hole (23) junction is filled with sealing filler (21), sliding hole (23) top cover is equipped with compression spring (15) on insulating pipe fitting (14), the sealed pad (19) of second is installed to insulating pipe fitting (14) up end, insulating pipe fitting (14) internally mounted has second conducting rod (16), second conducting rod (16) bottom is connected with the wire, second conducting rod (16) top is connected with second spring (17), second spring (17) top is connected with second pole piece (18), second pole piece (18) sliding connection be in insulating pipe fitting (14), water tank (1) one side bottom intercommunication has trades water pipe (20).
2. A leakage current testing device according to claim 1, wherein said pressure regulating mechanism comprises a cylinder (2), a movable rod (3) and a piston (4), the bottom end of said cylinder (2) is connected to the upper surface of said water tank (1), said piston (4) is movably connected in said cylinder (2), and said movable rod (3) is connected to the upper surface of said piston (4).
3. The leakage current testing device according to claim 1, wherein the adjusting structure comprises a supporting plate (5) and a fixing bolt (8), the supporting plate (5) is vertically welded on the upper surface of the water tank (1), a positioning groove (6) is vertically formed in the middle of the supporting plate (5), and the electric brush (7) is connected in the positioning groove (6) through the fixing bolt (8).
4. The leakage current testing device according to claim 1, wherein the first sealing gasket (11) and the second sealing gasket (19) are both rubber gaskets, and insertion holes for closing pens are formed in the middle parts of the first sealing gasket (11) and the second sealing gasket (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020083091.0U CN211878061U (en) | 2020-01-15 | 2020-01-15 | Leakage current testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020083091.0U CN211878061U (en) | 2020-01-15 | 2020-01-15 | Leakage current testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211878061U true CN211878061U (en) | 2020-11-06 |
Family
ID=73261268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020083091.0U Expired - Fee Related CN211878061U (en) | 2020-01-15 | 2020-01-15 | Leakage current testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211878061U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112415428A (en) * | 2020-12-03 | 2021-02-26 | 刘虎 | Rolling type electric leakage detector for electric power equipment and detection method thereof |
| CN115128506A (en) * | 2022-08-30 | 2022-09-30 | 苏州清研精准汽车科技有限公司 | Electric leakage testing device and method |
-
2020
- 2020-01-15 CN CN202020083091.0U patent/CN211878061U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112415428A (en) * | 2020-12-03 | 2021-02-26 | 刘虎 | Rolling type electric leakage detector for electric power equipment and detection method thereof |
| CN115128506A (en) * | 2022-08-30 | 2022-09-30 | 苏州清研精准汽车科技有限公司 | Electric leakage testing device and method |
| CN115128506B (en) * | 2022-08-30 | 2022-12-02 | 苏州清研精准汽车科技有限公司 | Electric leakage testing device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201106 |