CN212111656U - Testing device for measuring insulation resistance of electrified photovoltaic array - Google Patents
Testing device for measuring insulation resistance of electrified photovoltaic array Download PDFInfo
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- CN212111656U CN212111656U CN201922484487.6U CN201922484487U CN212111656U CN 212111656 U CN212111656 U CN 212111656U CN 201922484487 U CN201922484487 U CN 201922484487U CN 212111656 U CN212111656 U CN 212111656U
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Abstract
The utility model discloses a testing arrangement for measuring electrified photovoltaic square matrix insulation resistance, include: photovoltaic array and testing arrangement, photovoltaic array includes anodal connector, first photovoltaic board, second photovoltaic board, third photovoltaic board and negative pole connector, the first wire of right-hand member fixedly connected with of anodal connector, the right-hand member and the first photovoltaic board fixed connection of first wire, the right side fixedly connected with second wire of first photovoltaic board, the right-hand member and the second photovoltaic board fixed connection of second wire, the right side fixedly connected with third wire of second photovoltaic board, the right-hand member and the third photovoltaic board fixed connection of third wire. The utility model discloses can realize electrified problem of testing insulation resistance for the insulating properties test of photovoltaic square matrix does not receive time, personnel's restriction, has reduced test personnel's work load, improves efficiency of software testing, does not have the potential safety hazard of operation night.
Description
The technical field is as follows:
the utility model relates to a photovoltaic square matrix technical field specifically is a testing arrangement for measuring electrified photovoltaic square matrix insulation resistance.
Background art:
the photovoltaic square matrix is not in place because of construction irregularity or later stage operation and maintenance, and the insulating properties are poor probably to cause. The poor insulating properties of photovoltaic square matrix not only can influence the normal operating of equipment, reduces entire system's efficiency, still can lead to personnel to electrocute the injury, therefore good insulating properties is the important factor of the high-efficient safe operation of guarantee photovoltaic system. However, insulation tests in the traditional industry are all non-electrified operations, the power supply of the equipment to be measured must be cut off before measurement is carried out by using an insulation resistance tester, the equipment is short-circuited and discharged, and the equipment can never be electrified for measurement, so that the safety of people and the safety of the equipment are ensured.
However, the photovoltaic square matrix is always in a power generation state in the daytime and cannot be controlled manually. Therefore, after testing projects such as infrared, I-V power, system efficiency, grounding continuity and the like in the daytime, a tester needs to perform photovoltaic matrix insulation test and photovoltaic module EL test at night, the tester is heavy in task and long in working time, the operability of working at night is reduced, and safety concerns exist for remote or roof power stations.
The utility model has the following contents:
an object of the utility model is to provide a testing arrangement for measuring electrified photovoltaic square matrix insulation resistance to solve the problem that proposes among the above-mentioned background art.
The utility model discloses by following technical scheme implement: a testing arrangement for measuring electrified photovoltaic square matrix insulation resistance includes: a photovoltaic array and a test device;
the photovoltaic array includes anodal connector, first photovoltaic board, second photovoltaic board, third photovoltaic board and negative pole connector, the first wire of right-hand member fixedly connected with of anodal connector, the right-hand member and the first photovoltaic board fixed connection of first wire, the right side fixedly connected with second wire of first photovoltaic board, the right-hand member and the second photovoltaic board fixed connection of second wire, the right side fixedly connected with third wire of second photovoltaic board, the right-hand member and the third photovoltaic board fixed connection of third wire, the right side fixedly connected with fourth wire of third photovoltaic board, the right-hand member and the negative pole connector fixed connection of fourth wire.
Testing arrangement is located photovoltaic array's bottom, testing arrangement includes anodal MC4 test wire, fixed plate, alligator clip test wire and negative pole MC4 test wire, the bottom fixedly connected with support column of fixed plate, the top fixedly connected with insulation resistance tester of fixed plate, the positive joint of left side fixedly connected with on insulation resistance tester positive surface, the right side fixedly connected with negative joint on insulation resistance tester positive surface, the bottom fixedly connected with ground connection on insulation resistance tester positive surface.
As further preferable in the present technical solution: one end of the positive pole MC4 test wire is fixedly connected with the positive pole joint, and the other end of the positive pole MC4 test wire is fixedly connected with the positive pole wire connector.
As further preferable in the present technical solution: one end of the negative electrode MC4 test wire is fixedly connected with the negative electrode connector, and the other end of the negative electrode MC4 test wire is fixedly connected with the negative electrode connector.
As further preferable in the present technical solution: one end of the crocodile clip test wire is fixedly connected with the grounding connector.
As further preferable in the present technical solution: the top of fixed plate fixedly connected with guard box, the insulation resistance tester is located the inner chamber of guard box.
As further preferable in the present technical solution: the positive connector is connected with the first photovoltaic panel in series through a first lead, the first photovoltaic panel is connected with the second photovoltaic panel in series through a second lead, the second photovoltaic panel is connected with the third photovoltaic panel in series through a third lead, the third photovoltaic panel is connected with the negative connector in series through a fourth lead, the positive connector is connected with the positive connector in series through a positive MC4 test wire, and the negative connector is connected with the negative connector in series through a negative MC4 test wire.
The utility model has the advantages that: the problem of electrified insulation resistance testing can be realized, the insulation performance testing of the photovoltaic square matrix is not limited by time and personnel, the workload of testing personnel is reduced, the testing efficiency is improved, and the potential safety hazard of night operation is avoided.
Description of the drawings:
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the testing device of the present invention;
fig. 3 is a circuit diagram of the middle photovoltaic array and the testing device of the present invention.
In the figure: 1. a photovoltaic array; 2. a testing device; 11. a positive connector; 12. a first conductive line; 13. a first photovoltaic panel; 14. a second conductive line; 15. a second photovoltaic panel; 16. a third conductive line; 17. a third photovoltaic panel; 18. a fourth conductive line; 19. a negative connector; 21. positive MC4 test line; 22. a fixing plate; 23. a crocodile clip test line; 24. a support pillar; 25. a protection box; 26. negative MC4 test line; 27. a positive electrode tab; 28. a ground connection; 29. a negative terminal; 210. insulation resistance tester.
The specific implementation mode is as follows:
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-3, the present invention provides a technical solution: a testing arrangement for measuring electrified photovoltaic square matrix insulation resistance includes: a photovoltaic array 1 and a testing device 2;
the photovoltaic array 1 comprises an anode connector 11, a first photovoltaic panel 13, a second photovoltaic panel 15, a third photovoltaic panel 17 and a cathode connector 19, wherein the right end of the anode connector 11 is fixedly connected with a first lead 12, the right end of the first lead 12 is fixedly connected with the first photovoltaic panel 13, the right side of the first photovoltaic panel 13 is fixedly connected with a second lead 14, the right end of the second lead 14 is fixedly connected with the second photovoltaic panel 15, the right side of the second photovoltaic panel 15 is fixedly connected with a third lead 16, the right end of the third lead 16 is fixedly connected with the third photovoltaic panel 17, the right side of the third photovoltaic panel 17 is fixedly connected with a fourth lead 18, and the right end of the fourth lead 18 is fixedly connected with the cathode connector 19;
In this embodiment, specifically: one end of the positive electrode MC4 test wire 21 is fixedly connected with the positive electrode connector 27, and the other end of the positive electrode MC4 test wire 21 is fixedly connected with the positive electrode connector 11, so that a circuit path can be formed between the positive electrode connector 11 and the positive electrode connector 27.
In this embodiment, specifically: one end of the negative electrode MC4 test wire 26 is fixedly connected with the negative electrode connector 29, and the other end of the negative electrode MC4 test wire 26 is fixedly connected with the negative electrode connector 19, so that a circuit path can be formed between the negative electrode connector 19 and the negative electrode connector 29.
In this embodiment, specifically: one end of the crocodile clip test wire 23 is fixedly connected with the grounding connector 28, and through the arrangement, the other end of the crocodile clip test wire 23 is grounded, so that the purposes of reliable connection of the insulation tester and the photovoltaic array ground and grounding of the safety protection of the tester are achieved.
In this embodiment, specifically: the top fixedly connected with guard box 25 of fixed plate 22, insulation resistance tester 210 are located the inner chamber of guard box 25, through above setting, can form the protection to insulation resistance tester 210, receive the condition that rainwater corrodes the damage when avoiding testing.
In this embodiment, specifically: the positive connector 11 is connected with the first photovoltaic panel 13 in series through the first lead 12, the first photovoltaic panel 13 is connected with the second photovoltaic panel 15 in series through the second lead 14, the second photovoltaic panel 15 is connected with the third photovoltaic panel 17 in series through the third lead 16, the third photovoltaic panel 17 is connected with the negative connector 19 in series through the fourth lead 18, the positive connector 11 is connected with the positive connector 27 in series through the positive MC4 test wire 21, and the negative connector 19 is connected with the negative connector 29 in series through the negative MC4 test wire 26.
In this embodiment: insulation resistance tester 210 is model number Fluke-1508.
Working principle or structural principle, when in use, the positive connector 11 is connected with the first photovoltaic panel 13 in series through the first lead 12, the first photovoltaic panel 13 is connected with the second photovoltaic panel 15 in series through the second lead 14, the second photovoltaic panel 15 is connected with the third photovoltaic panel 17 in series through the third lead 16, the third photovoltaic panel 17 is connected with the negative connector 19 in series through the fourth lead 18, the positive connector 11 is connected with the positive connector 27 in series through the positive MC4 test wire 21, the negative connector 19 is connected with the negative connector 29 in series through the negative MC4 test wire 26, one end of the crocodile clamp test wire 23 far away from the insulation resistance tester 210 is grounded, the insulation resistance tester 210 can be started to test the photovoltaic array 1, the problem of live test of insulation resistance can be realized, the insulation performance test of the photovoltaic array is not limited by time and personnel, the workload of test personnel is reduced, and the test efficiency is improved, the potential safety hazard of night operation does not exist.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a testing arrangement for measuring electrified photovoltaic square matrix insulation resistance which characterized in that includes: a photovoltaic array (1) and a testing device (2);
the photovoltaic array (1) comprises a positive connector (11), a first photovoltaic panel (13), a second photovoltaic panel (15), a third photovoltaic panel (17) and a negative connector (19), the right end of the positive wire connector (11) is fixedly connected with a first lead (12), the right end of the first lead (12) is fixedly connected with a first photovoltaic panel (13), the right side of the first photovoltaic panel (13) is fixedly connected with a second lead (14), the right end of the second lead (14) is fixedly connected with a second photovoltaic panel (15), the right side of the second photovoltaic panel (15) is fixedly connected with a third lead (16), the right end of the third lead (16) is fixedly connected with a third photovoltaic panel (17), the right side of the third photovoltaic panel (17) is fixedly connected with a fourth lead (18), the right end of the fourth lead (18) is fixedly connected with a negative connector (19);
testing arrangement (2) are located the bottom of photovoltaic array (1), testing arrangement (2) include anodal MC4 test wire (21), fixed plate (22), alligator clip test wire (23) and negative pole MC4 test wire (26), the bottom fixedly connected with support column (24) of fixed plate (22), the top fixedly connected with insulation resistance tester (210) of fixed plate (22), the positive left side fixedly connected with positive terminal (27) on insulation resistance tester (210) positive surface, the right side fixedly connected with negative terminal (29) on insulation resistance tester (210) positive surface, the bottom fixedly connected with ground connection (28) on insulation resistance tester (210) positive surface.
2. The testing device for measuring the insulation resistance of the charged photovoltaic square matrix according to claim 1, characterized in that: one end of the positive pole MC4 test wire (21) is fixedly connected with the positive pole joint (27), and the other end of the positive pole MC4 test wire (21) is fixedly connected with the positive pole wire connector (11).
3. The testing device for measuring the insulation resistance of the charged photovoltaic square matrix according to claim 1, characterized in that: one end of the negative electrode MC4 test wire (26) is fixedly connected with the negative electrode joint (29), and the other end of the negative electrode MC4 test wire (26) is fixedly connected with the negative electrode connector (19).
4. The testing device for measuring the insulation resistance of the charged photovoltaic square matrix according to claim 1, characterized in that: one end of the crocodile clip test wire (23) is fixedly connected with the grounding connector (28).
5. The testing device for measuring the insulation resistance of the charged photovoltaic square matrix according to claim 1, characterized in that: the top of fixed plate (22) fixedly connected with guard box (25), insulation resistance tester (210) are located the inner chamber of guard box (25).
6. The testing device for measuring the insulation resistance of the charged photovoltaic square matrix according to claim 1, characterized in that: the photovoltaic solar cell is characterized in that the positive wire connector (11) is connected with a first photovoltaic panel (13) in series through a first lead (12), the first photovoltaic panel (13) is connected with a second photovoltaic panel (15) in series through a second lead (14), the second photovoltaic panel (15) is connected with a third photovoltaic panel (17) in series through a third lead (16), the third photovoltaic panel (17) is connected with the negative wire connector (19) in series through a fourth lead (18), the positive wire connector (11) is connected with the positive connector (27) in series through a positive MC4 test wire (21), and the negative wire connector (19) is connected with the negative connector (29) in series through a negative MC4 test wire (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922484487.6U CN212111656U (en) | 2019-12-30 | 2019-12-30 | Testing device for measuring insulation resistance of electrified photovoltaic array |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922484487.6U CN212111656U (en) | 2019-12-30 | 2019-12-30 | Testing device for measuring insulation resistance of electrified photovoltaic array |
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| CN212111656U true CN212111656U (en) | 2020-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922484487.6U Active CN212111656U (en) | 2019-12-30 | 2019-12-30 | Testing device for measuring insulation resistance of electrified photovoltaic array |
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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 |
| CN116500396A (en) * | 2023-06-30 | 2023-07-28 | 新河县珠兴铜业有限公司 | Finished product insulativity detection device for insulating material production |
-
2019
- 2019-12-30 CN CN201922484487.6U patent/CN212111656U/en active Active
Cited By (3)
| 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 |
| CN116500396A (en) * | 2023-06-30 | 2023-07-28 | 新河县珠兴铜业有限公司 | Finished product insulativity detection device for insulating material production |
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