CN215493923U - Photovoltaic module insulation and voltage resistance diagonal testing device - Google Patents
Photovoltaic module insulation and voltage resistance diagonal testing device Download PDFInfo
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- CN215493923U CN215493923U CN202120469996.6U CN202120469996U CN215493923U CN 215493923 U CN215493923 U CN 215493923U CN 202120469996 U CN202120469996 U CN 202120469996U CN 215493923 U CN215493923 U CN 215493923U
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- mounting plate
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- 238000012360 testing method Methods 0.000 title claims abstract description 74
- 238000009413 insulation Methods 0.000 title claims abstract description 28
- 229910052751 metal Inorganic materials 0.000 claims abstract description 51
- 239000002184 metal Substances 0.000 claims abstract description 51
- 239000000523 sample Substances 0.000 claims abstract description 39
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000011056 performance test Methods 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 6
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000011151 fibre-reinforced plastic Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a photovoltaic module insulation and voltage resistance diagonal testing device, belongs to the technical field of photovoltaic module processing and production, and solves the problem that in the prior art, a photovoltaic module with a frame without a mounting hole is difficult to realize insulation and voltage resistance testing. The diagonal testing device elastically installs the metal contact element on the mounting plate, and drives the mounting plate to move through the motor, so that the metal contact element can be contacted with the component frame; the diagonal testing device is arranged at two diagonal positions of the component frame, the metal contact piece is connected with the testing instrument through the probe, the component frame is connected into the testing loop, and the insulation and voltage resistance performance test of the photovoltaic component without the mounting hole on the component frame is realized.
Description
Technical Field
The utility model relates to the technical field of photovoltaic module processing production, in particular to a photovoltaic module insulation and voltage resistance diagonal testing device.
Background
Various types of frames exist in the photovoltaic industry, but the frames cannot be installed through the installation holes due to narrow space, and only the pressing block can be used for installation on a project site.
In order to reduce the problems of the photovoltaic module in projects, the module is required to be subjected to an electrical performance test of insulation, voltage resistance and grounding before delivery. And the conventional insulation and voltage resistance test is to insert a probe into the mounting hole to test the electrical property of the photovoltaic module.
With the change of new materials in new technologies, the photovoltaic module has a frame without a mounting hole and a guide rail type frame, and the electrical performance of the module can not be tested by the conventional probe testing method. Therefore, in order to detect the electrical performance of the photovoltaic module without the mounting hole, a new detection device structure needs to be designed.
SUMMERY OF THE UTILITY MODEL
In view of the foregoing analysis, the present invention aims to provide a diagonal insulation and voltage resistance testing apparatus for a photovoltaic module, so as to solve the problem that it is difficult to implement insulation and voltage resistance testing for the photovoltaic module with no mounting hole on the existing frame.
The purpose of the utility model is mainly realized by the following technical scheme:
a photovoltaic module insulation withstand voltage diagonal testing arrangement includes: the device comprises a driving device, a mounting plate, a metal contact piece and a probe; the driving device is used for driving the mounting plate to move, and the metal contact piece is elastically mounted on the mounting plate; the metal contacts are capable of contacting the component bezel to be tested.
Further, the metal contact is connected into the test loop through a probe.
Furthermore, the metal contact piece is elastically installed on the installation plate through the elastic piece.
Further, still include: a first insulating plate and a second insulating plate; the first insulating plate is fixedly connected with the mounting plate; the second insulating plate is fixedly connected with the metal contact piece.
Further, the probe penetrates through the mounting plate, the first insulating plate and the second insulating plate in sequence to be connected with the metal contact.
Furthermore, the probe is a telescopic rod-shaped structure; one end of the probe is connected with the metal contact element, and the other end of the probe is fixed on the mounting plate.
Further, the elastic piece is sleeved on the probe, and the elastic piece is located between the first insulating plate and the second insulating plate.
Further, the elastic member is a spring.
Further, the probe includes: the clamping ring, the fixing part, the first connecting rod and the second connecting rod; the diameters of the clamping ring, the fixing part, the first connecting rod and the second connecting rod are sequentially reduced, and the fixing part penetrates through the mounting plate and the first insulating plate and limits the relative position of the probe and the mounting plate through the clamping ring; the spring is sleeved on the first connecting rod, and the first connecting rod and the second connecting rod are sleeved with each other and can slide relatively; the second connecting rod passes through the second insulating plate and is connected with the metal contact.
Further, the metal contact is a copper block.
The technical scheme of the utility model can at least realize one of the following effects:
1. the testing method of the diagonal testing device can adjust the position according to the size of the frame, the metal contact element is driven by the air cylinder to be in contact with the frame, the connection test can be realized as long as the testing block is in contact with the corner of the frame, and compared with the traditional testing method of a probe insertion type, the diagonal testing device has the advantages that the limitation is greatly reduced, the adjustment is convenient, and the practicability is stronger.
2. After the metal contact element of the diagonal testing device is contacted with the component frame, the spring is in a compressed state. At the moment, pressing force exists between the metal contact element and the assembly frame, and the pressing force is the elastic force provided by the spring, so that the contact reliability is ensured; meanwhile, the pressing force (elastic force) can be ensured to be within a controllable range, and excessive extrusion on the frame of the component is avoided.
In the utility model, the technical schemes can be combined with each other to realize more preferable combination schemes. Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the utility model, wherein like reference numerals are used to designate like parts throughout.
FIG. 1 is a schematic view of the diagonal testing apparatus installation of the present invention;
FIG. 2 is a schematic diagram illustrating a testing state of the diagonal testing apparatus according to the present invention;
FIG. 3 is an exploded view of the diagonal testing device of the present invention;
FIG. 4 is a diagonal testing apparatus of the present invention;
FIG. 5 is an enlarged view of a portion of the diagonal testing device of the present invention.
Reference numerals:
1-a test bench; 2-diagonal testing means; 3-component frame;
21-mounting a plate; 22-a first insulating plate; 23-a second insulating plate; 24-a metal contact; 25-a spring; 26-a probe; 27-a cylinder; 28-mounting a base.
Detailed Description
The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, which form a part hereof, and which together with the embodiments of the utility model serve to explain the principles of the utility model and not to limit its scope.
Example 1
The utility model discloses a diagonal insulation and voltage resistance testing device for a photovoltaic module, which is shown in fig. 1-5 and comprises: the device comprises a driving device, a mounting plate 21, a metal contact piece 24, an elastic piece and a probe 26, wherein the elastic piece is a spring 25; the metal contact 24 is installed on the installation plate 21 through a spring 25 and a probe 26, specifically, the spring 25 is sleeved on the probe 26, two ends of the probe 26 are respectively connected with the metal contact 24 and the installation plate 21, and the probe 26 is connected into a test loop to be electrically connected with an insulation and voltage resistance test instrument.
Further, the mounting plate 21 is displaced by the driving device. The driving device is an air cylinder 27, the air cylinder 27 is used for driving the mounting plate 21 to move, the mounting plate 21 moves under the driving of the air cylinder 27, and then the metal contact piece 24 is in contact with the frame of the component, and the connection of the test loop is realized.
Furthermore, the probe 26 is made of conductive material, and the metal contact 24 (copper block) is in contact with the component frame 3 and is communicated with the dielectric withstand voltage test instrument through the probe 26 to form a test loop.
Further, the air cylinder 27 is fixed on the mounting base 28, and the whole photovoltaic module insulation and voltage resistance diagonal testing device is fixed through the mounting base 28.
In an embodiment of the present invention, the diagonal insulation-voltage resistance testing device for photovoltaic modules further includes a first insulating plate 22 and a second insulating plate 23.
The mounting plate 21 is fixedly connected with a first insulating plate 22, and the probe 26 sequentially penetrates through the mounting plate 21, the first insulating plate 22 and a second insulating plate 23 to be connected with a metal contact 24; the metal contact 24 is fixedly attached to the second insulating plate 23.
Further, the probe 26 is a telescopic rod-shaped structure; one end of the probe 26 is connected to the metal contact 24, and the other end is fixed to the mounting plate 21.
Specifically, as shown in fig. 3, the probe 26 includes: the clamping ring, the fixing part, the first connecting rod and the second connecting rod; the diameters of the clamping ring, the fixing part, the first connecting rod and the second connecting rod are sequentially reduced, and the fixing part penetrates through the mounting plate 21 and the first insulating plate 22 and limits the relative position of the probe 26 and the mounting plate 21 through the clamping ring; the spring 25 is sleeved on the first connecting rod, and the first connecting rod and the second connecting rod are sleeved with each other and can slide relatively; the second link passes through the second insulating plate 23 and is connected to the metal contact 24.
Further, the spring 25 is sleeved on the probe 26, and the spring 25 is located between the first insulating plate 22 and the second insulating plate 23.
In one embodiment of the present invention, the mounting plate 21 is made of aluminum.
In one embodiment of the present invention, the first insulating plate 22 and the second insulating plate 23 are both GFRP (fiber reinforced plastic) plates, and serve as insulation protection.
In an embodiment of the present invention, the metal contact 24 is a copper block, and is used for contacting with a frame of a component to be tested, and conducting to form a loop, so as to perform an insulation withstand voltage test.
Further, in an embodiment of the present invention, the elastic member is a spring 25, and the spring 25 can adjust a gap between the first insulating plate 22 and the second insulating plate 23, that is, the metal contact 24 can be tightly attached to the frame without damaging the frame by adjusting a distance between the metal contact 24 and the mounting plate 21 through the spring.
Most of existing photovoltaic modules are inserted into frame mounting holes through electric grinding head probes, and insulation and voltage resistance performance testing is carried out. But the probe test assembly electrical performance is not used for narrow frames or rail frames without mounting holes. The diagonal testing device 2 can be applied to the insulation and voltage resistance testing of the photovoltaic module without the mounting hole on the frame.
In the utility model, two groups of fixing seats 28 and air cylinders 27 are additionally arranged at the diagonal positions of the assembly frame, the air cylinders 27 are connected with two copper metal contact pieces 24, and when the electrical property is tested, the air cylinders 27 drive the metal contact pieces 24 to contact the assembly frame 3, so that the insulation resistance, the grounding resistance and the leakage current of the loop test assembly are formed, and the electrical property of the insulation voltage-resistant assembly of the frame assembly without the mounting hole is effectively solved.
When in implementation:
as shown in fig. 1, the component frame 3 is placed on the testing platform 1, and one diagonal testing device 2 is mounted and fixed on each diagonal of the component, that is, two diagonal testing devices 2 are arranged at the diagonal positions of the component frame 3. The diagonal testing device 2 is connected with metal contact pieces 24 (red copper contacts) with good conductivity, and when the insulation and voltage resistance test is carried out, the metal contact pieces 24 are respectively contacted with two diagonal corners of the assembly frame.
After the photovoltaic module is conveyed to the place through the assembly line, insulation resistance, grounding resistance and leakage current need to be tested, after the module is conveyed to the place, a test signal is transmitted to the diagonal testing device, the air cylinder 27 of the diagonal testing device 2 extends out, the air cylinder 27 pushes the metal contact element to move, the frame of the module is in contact with the metal contact element 24 in the diagonal testing device 2, the metal contact element 24 is connected through the probe 26 to form a loop for testing, and test data are displayed on an upper computer.
It is worth noting that:
after the cylinder 27 pushes the metal contact element 24 to move forward to contact with the assembly frame, the cylinder 27 continues to output displacement, the metal contact element 24 and the second insulating plate 23 are kept stationary, the output end of the cylinder 27 pushes the mounting plate 21 and the first insulating plate 22 to synchronously displace, and the spring 25 is compressed. At this time, a pressing force exists between the metal contact piece 24 and the assembly frame, the pressing force is an elastic force provided by the spring 25, the spring 25 ensures that the metal contact piece 24 is in close contact with the assembly frame, and the contact reliability is ensured; meanwhile, the pressing force (elastic force) is ensured to be within a controllable range, and excessive extrusion on the frame of the component is avoided.
Compared with the prior art, the technical scheme provided by the embodiment has the following beneficial effects:
the diagonal testing equipment can test the electrical performance of the frame assembly without the mounting hole, effectively solves the problem of the insulation and voltage resistance test of the frame assembly without the mounting hole, and is applied to popularization in the industry.
According to the photovoltaic module insulation and voltage resistance diagonal testing equipment, the cylinders are fixedly arranged on the diagonal corners of the module and connected with the metal contact pieces (red copper contacts) with good conductivity, and when insulation and voltage resistance testing is carried out, the contacts are in contact with the diagonal corners of the module, so that the insulation and voltage resistance testing of the module is realized, and the photovoltaic module insulation and voltage resistance diagonal testing equipment is suitable for being popularized and used in the photovoltaic field.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (10)
1. The utility model provides a photovoltaic module insulation withstand voltage diagonal testing arrangement which characterized in that includes: a drive device, a mounting plate (21), a metal contact (24), and a probe (26); the driving device is used for driving the mounting plate (21) to displace, and the metal contact piece (24) is elastically mounted on the mounting plate (21); the metal contact (24) can be brought into contact with a component frame (3) to be tested.
2. The photovoltaic module withstand voltage diagonal test device according to claim 1, wherein the metal contact (24) is connected to the test circuit by a probe (26).
3. The photovoltaic module withstand voltage diagonal test device according to claim 1 or 2, further comprising an elastic member, wherein the metal contact member (24) is elastically mounted on the mounting plate (21) by the elastic member.
4. The photovoltaic module withstand voltage diagonal test device of claim 3, further comprising: a first insulating plate (22) and a second insulating plate (23); the first insulating plate (22) is fixedly connected with the mounting plate (21); the second insulating plate (23) is fixedly connected with the metal contact piece (24).
5. The photovoltaic module withstand voltage diagonal testing device according to claim 4, wherein the probe (26) is connected to the metal contact (24) through the mounting plate (21), the first insulating plate (22) and the second insulating plate (23) in this order.
6. The photovoltaic module withstand voltage diagonal testing device of claim 5, wherein the probe (26) is a retractable rod-like structure; one end of the probe (26) is connected with the metal contact piece (24), and the other end of the probe is fixed on the mounting plate (21).
7. The photovoltaic module withstand voltage diagonal testing device of claim 6, wherein the elastic member is sleeved on a probe (26), and the elastic member is located between the first insulating plate (22) and the second insulating plate (23).
8. The photovoltaic module withstand voltage diagonal testing device of claim 7, wherein the elastic member is a spring (25).
9. The photovoltaic module withstand voltage diagonal testing apparatus according to claim 8, wherein the probe (26) includes: the clamping ring, the fixing part, the first connecting rod and the second connecting rod; the diameters of the clamping ring, the fixing part, the first connecting rod and the second connecting rod are sequentially reduced, and the fixing part penetrates through the mounting plate (21) and the first insulating plate (22) and limits the relative position of the probe (26) and the mounting plate (21) through the clamping ring; the spring (25) is sleeved on the first connecting rod, and the first connecting rod and the second connecting rod are mutually sleeved and can relatively slide; the second connecting rod passes through the second insulating plate (23) and is connected with the metal contact piece (24).
10. The photovoltaic module withstand voltage diagonal testing device of claim 1, wherein the metal contact (24) is a copper block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120469996.6U CN215493923U (en) | 2021-03-04 | 2021-03-04 | Photovoltaic module insulation and voltage resistance diagonal testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120469996.6U CN215493923U (en) | 2021-03-04 | 2021-03-04 | Photovoltaic module insulation and voltage resistance diagonal testing device |
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| Publication Number | Publication Date |
|---|---|
| CN215493923U true CN215493923U (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120469996.6U Active CN215493923U (en) | 2021-03-04 | 2021-03-04 | Photovoltaic module insulation and voltage resistance diagonal testing device |
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| CN (1) | CN215493923U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115718234A (en) * | 2022-11-14 | 2023-02-28 | 宁夏国信检研科技有限公司 | Photovoltaic module insulating properties check out test set |
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2021
- 2021-03-04 CN CN202120469996.6U patent/CN215493923U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115718234A (en) * | 2022-11-14 | 2023-02-28 | 宁夏国信检研科技有限公司 | Photovoltaic module insulating properties check out test set |
| CN115718234B (en) * | 2022-11-14 | 2023-11-28 | 宁夏国信检研科技有限公司 | Photovoltaic module insulating properties check out test set |
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