CN209355824U - A kind of photovoltaic module creepage distance measuring tool - Google Patents

A kind of photovoltaic module creepage distance measuring tool Download PDF

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Publication number
CN209355824U
CN209355824U CN201920315906.0U CN201920315906U CN209355824U CN 209355824 U CN209355824 U CN 209355824U CN 201920315906 U CN201920315906 U CN 201920315906U CN 209355824 U CN209355824 U CN 209355824U
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measuring scale
photovoltaic module
measuring
creepage distance
model
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Inventor
张必泉
林凯
魏星
何忠德
沈启莲
沈峰
胡国波
郭志球
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Zhejiang Jinko Solar Co Ltd
Jinko Solar Co Ltd
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Zhejiang Jinko Solar Co Ltd
Jinko Solar Co Ltd
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Abstract

The utility model discloses a kind of photovoltaic module creepage distance measuring tools, comprising: measuring scale ontology;The measuring scale ontology includes the first measuring scale and the second measuring scale interconnected;Wherein, the length of first measuring scale is the maximum creepage distance of the first model photovoltaic module, and the length of second measuring scale is the minimum creep distance of the first model photovoltaic module.The testing tool provided in the utility model, the simple manufacturing cost of structure is low, and whether the creepage distance that can be accurately judged to photovoltaic module is up to standard, the problem of avoiding the creepage distance of photovoltaic module undesirable, influence photovoltaic module qualification rate.

Description

A kind of photovoltaic module creepage distance measuring tool
Technical field
The utility model relates to technical field of photovoltaic module test, measure more particularly to a kind of photovoltaic module creepage distance Tool.
Background technique
With the fast development of photovoltaic industry, the safety of photovoltaic module and reliability are increasingly taken seriously.Climb electricity away from It is defined from IEC: the shortest distance along insulating surface measurement of two adjacent conductors or an electric conductor and adjacent motor casing surface.It is right In photovoltaic module creepage distance be battery edge to glass edge distance at a distance from busbar edge to glass edge, climb Electrical distance is an important indicator for measuring photovoltaic module safety.
Currently, solar photovoltaic assembly production mainly includes following below scheme: battery sorting, series welding, stacking laying, preceding EL are surveyed It tries, be laminated, framing up, solidifying, cleaning, IV test, the processes such as final inspection.Photovoltaic module creepage distance passes through stacking when laying is laminated Template measurement, after the completion of stacking laying photovoltaic module into before laminating machine mainly by film card measure photovoltaic module climb it is electric away from From whether confirmation component creepage distance is abnormal, but film card is transparent, is not easy to read, and the range measurements that cause to creep are inaccurate Really, cause photovoltaic module production efficiency to decline, while increasing the risk of cell piece crack.
Utility model content
The purpose of the utility model is to provide a kind of photovoltaic module creepage distance measuring tools, and it is saturating to solve film card It is bright, it is not easy to read, causes the problem of the range measurements inaccuracy of creeping of photovoltaic module.
In order to solve the above technical problems, the utility model provides a kind of photovoltaic module creepage distance measuring tool, comprising: survey Gage ontology;The measuring scale ontology includes the first measuring scale and the second measuring scale interconnected;
Wherein, the length of first measuring scale is the maximum creepage distance of the first model photovoltaic module, and described second surveys The length of gage is the minimum creep distance of the first model photovoltaic module.
Wherein, one end of first measuring scale is connected with one end of second measuring scale by connecting rod;And it is described First measuring scale and second measuring scale are vertically connected with the connecting rod, first measuring scale, the connecting rod with And second measuring scale forms Z-type structure.
Wherein, one end of first measuring scale and one end of second measuring scale are connected with each other and are mutually perpendicular to;
The measuring scale ontology further include:
It is located along the same line with first measuring scale, and length is the maximum creepage distance of the second model photovoltaic module Third measuring scale;
It is vertically positioned on same straight line with second measuring scale, and length is the minimum of the second model photovoltaic module 4th measuring scale of creepage distance;
Wherein, first measuring scale, second measuring scale, the third measuring scale and the 4th measuring scale shape At cross-shaped configuration;
The first model photovoltaic module and the second model photovoltaic module are the photovoltaic module of different sizes.
Wherein, first measuring scale and second measuring scale are mutually perpendicular to, and second measuring scale can be described It is slided on first measuring scale.
Wherein, scale is additionally provided on first measuring scale and second measuring scale.
Wherein, the thickness of first measuring scale and second measuring scale is equal, and thickness is not less than 2cm.
Photovoltaic module creepage distance measuring tool provided by the utility model, including measuring scale ontology;Measuring scale ontology Including the first measuring scale and the second measuring scale;Wherein, the length of the first measuring scale is that the maximum of the first model photovoltaic module climbs electricity Distance, the length of the second measuring scale are the minimum creep distance of the first model photovoltaic module.Because for photovoltaic module, Creepage distance can neither too greatly can not be too small, be merely able within the scope of certain pre-determined distance.First in the utility model The length of measuring scale and the second measuring scale is respectively two endpoint values of the pre-determined distance range, as long as then measurement photovoltaic module Creepage distance less than the first measuring scale and be greater than the second measuring scale, without measure it is accurate read photovoltaic module climb electricity away from From actual size.The testing tool provided in the utility model, the simple manufacturing cost of structure is low, and can be accurately judged to light Whether the creepage distance for lying prostrate component is up to standard, avoids the creepage distance of photovoltaic module undesirable, influences photovoltaic module qualification rate The problem of.
Detailed description of the invention
For the clearer technical solution for illustrating the utility model embodiment or the prior art, below will to embodiment or Attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only Some embodiments of the utility model, for those of ordinary skill in the art, without creative efforts, It is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of photovoltaic module creepage distance measuring tool provided by the embodiment of the utility model;
Fig. 2 is the structural schematic diagram of photovoltaic module;
Fig. 3 is the structural schematic diagram of measurement photovoltaic module creepage distance provided by the embodiment of the utility model;
Fig. 4 is the structural schematic diagram of Z-type measuring tool provided by the embodiment of the utility model;
Fig. 5 is the structural schematic diagram of cross measuring tool provided by the embodiment of the utility model;
Fig. 6 is the structural schematic diagram of slidably measuring scale provided by the embodiment of the utility model.
Specific embodiment
In order to make those skilled in the art better understand the scheme of the utility model, with reference to the accompanying drawing and specific implementation The utility model is described in further detail for mode.Obviously, described embodiment is only the utility model a part Embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing Every other embodiment obtained under the premise of creative work out, fall within the protection scope of the utility model.
As shown in FIG. 1, FIG. 1 is the structures of photovoltaic module creepage distance measuring tool provided by the embodiment of the utility model to show It is intended to, which includes measuring scale ontology, and measuring scale ontology includes:
First measuring scale 1 interconnected and the second measuring scale 2;
Wherein, the length of the first measuring scale 1 is the maximum creepage distance of the first model photovoltaic module, the second measuring scale 2 Length is the minimum creep distance of the first model photovoltaic module.
As shown in Fig. 2, Fig. 2 is the structural schematic diagram of photovoltaic module, tetra- distances of a, b, c, d are and need to detect in Fig. 2 Creepage distance.As shown in figure 3, the structure that Fig. 3 is measurement photovoltaic module creepage distance provided by the embodiment of the utility model is shown It is intended to, in Fig. 3, the second measuring scale 2 is ridden over to the marginal position of the backboard 4 of photovoltaic module, and the top of the second measuring scale 2 and electricity The side of pond piece 3 fits, then, the length that the second measuring scale 2 rides over 4 edge of backboard of photovoltaic module is photovoltaic module One creepage distance.
It should be noted that for photovoltaic module creepage distance during actual measurement, it is not required that it is accurate to obtain Distance value, it is only necessary to guarantee creepage distance in a certain range, then the creepage distance of the photovoltaic module i.e. meet the requirements.Cause This, using the utility model measuring tool measure creepage distance when because the length of the first measuring scale be equal to maximum climb electricity away from From the second measuring scale length is equal to minimum creep distance;So only need the creepage distance of photovoltaic module less than the first measuring scale 1 Length and be greater than the second measuring scale 2 length.
It, can be first using the creepage distance of the first measuring scale 1 measurement photovoltaic module, if photovoltaic module in actual measurement Creepage distance be greater than the first measuring scale 1 length, then the creepage distance of the photovoltaic module is then undesirable;Conversely, working as The creepage distance of photovoltaic module then is compared with the second measuring scale 2 and creepage distance less than the length of the first measuring scale 1, such as The length of the second measuring scale of fruit 2 is greater than creepage distance, then the creepage distance of the photovoltaic module is undesirable, whereas if The length of second measuring scale 2 is less than creepage distance, then the creepage distance of the photovoltaic module meets the requirements.
Certainly, the second measuring scale 2 is still first first used using the first measuring scale 1 during actual measurement, had no specific Requirement.As long as the creepage distance of four sides of photovoltaic module meets simultaneously is greater than 1 length of the first measuring scale less than the second measurement 2 length of ruler.
Measuring tool provided in the utility model, measurement that can be simple and quick judge photovoltaic module climb electricity away from From whether meeting the requirements, compared with the existing technology in need to read creepage distance, and need to overcome transparent film card The difficult problem of piece reading.Measuring tool in the utility model, easy to operate, structure is simple, and the simple manufacturing cost of structure is low, And whether the creepage distance that can be accurately judged to photovoltaic module is up to standard, avoids the creepage distance of photovoltaic module undesirable, The problem of influencing photovoltaic module qualification rate.
Based on the above embodiment, for the practical structures of measuring tool can there are many specific embodiments, such as Fig. 4 institute Show, Fig. 4 is the structural schematic diagram of Z-type measuring tool provided by the embodiment of the utility model, which is specifically as follows:
One end of first measuring scale 1 is connected with one end of the second measuring scale 2 by connecting rod;And first measuring scale 1 and Two 2 rulers of measurement are vertically connected with connecting rod 5, and the first measuring scale 2, connecting rod 5 and the second measuring scale 2 form Z-type structure.
As shown in figure 4, connecting rod 5 and the first measuring scale 1 and the second measurement in the measuring scale ontology of Z-type structure in Fig. 4 Ruler 2 can form right angle bayonet.When using the second measuring scale 2 measurement creepage distance, it can use the second measuring scale 2 and connect The bayonet that extension bar 5 is formed is stuck in 1 marginal position of backboard of photovoltaic module, so that the tail end of the second measuring scale 2 is just and 4 side of backboard Edge line is concordant, guarantees the accuracy of measurement.
Certainly, in measuring scale ontology as shown in Figure 1, the first measuring scale 1 and the second measuring scale 2 are mutually perpendicular to, mutual shape At bayonet, it can also reach this purpose.
Optionally, in the another specific embodiment of the utility model, as shown in figure 5, Fig. 5 is the utility model embodiment The structural schematic diagram of the cross measuring tool provided, the measuring tool can specifically include:
One end of first measuring scale 1 and one end of the second measuring scale 2 are connected with each other and are mutually perpendicular to;
Measuring scale ontology further include:
It is located along the same line with the first measuring scale 1, and length is the maximum creepage distance the of the second model photovoltaic module Three measuring scales 6;
Be vertically positioned on same straight line with the second measuring scale 2, and length be the second model photovoltaic module minimum climb electricity away from From the 4th measuring scale 7;
Wherein, the first measuring scale 1, the second measuring scale 2, third measuring scale 6 and the 4th measuring scale 7 form cross knot Structure;
First model photovoltaic module and the second model photovoltaic module are the photovoltaic module of different sizes.
In view of in the actual production of photovoltaic module, photovoltaic module can there are many different gauge sizes, for every For a kind of photovoltaic module of gauge size, the requirement to creepage distance is different.For this purpose, by by four in the present embodiment The measuring scale of a different length is integrated in one, and the measuring tool is allowed to measure the photovoltaic module of at least two specifications simultaneously Creepage distance without configure one measuring tool for each measuring tool be that the measurement of the photovoltaic module of different size mentions For convenience, and save measurement cost.
Optionally, in the another specific embodiment of the utility model, as shown in fig. 6, Fig. 6 is the utility model embodiment The structural schematic diagram of the slidably measuring scale provided, which can also further include:
First measuring scale 1 and the second measuring scale 2 are mutually perpendicular to, and the second measuring scale 2 can slide on the first measuring scale 1.
In the present embodiment, the photovoltaic module that the first measuring scale 1 length is necessarily equal to a certain model can also be not required for Maximum creepage distance.As long as the enough length of the first measuring scale 1, pass through position of the second measuring scale 2 of control on the first measuring scale 1 It sets, i.e., length of adjustable first measuring scale 1 for measurement, and successively measures the creepage distance of different photovoltaic modulies.
Specifically, such as by the second measuring scale 2 be moved to the A point of the first measuring scale 1, then O point to A point be the first light Lie prostrate the minimum creep distance of component, and the second Photovoltaic measurement ruler be moved to B point, O point and B point be the first photovoltaic module most Big creepage distance;Similarly, O point is the minimum creep distance of second of photovoltaic module to C point, and O point to D point is second of photovoltaic group The maximum creepage distance of part.And so on, that is, it can measure the creepage distance of a variety of different photovoltaic modulies.
Based on above-mentioned any embodiment.In the another specific embodiment of the utility model, can also further include:
Scale is additionally provided on first measuring scale 1 and the second measuring scale 2.
As previously mentioned, there are Multiple Type, the length of the corresponding measuring scale of different model for photovoltaic module in actual production Also different.Obscure in order to avoid measuring scale generates when in use, scale can be set on measuring scale, avoids malfunctioning.
Optionally, in the another specific embodiment of the utility model, can also include:
The thickness of first measuring scale 1 and the second measuring scale 2 is equal, and thickness is not less than 2cm.
First measuring scale 1 as previously described and the second measuring scale 2 need to ride over the backboard table of photovoltaic module when measuring Face influences the accuracy of measurement, the thickness of measuring scale can be limited in order to avoid measuring scale sways forwards and backwards in measurement process In 2cm or more, 4 surface of backboard between the first measuring scale 2 and the second measuring scale 2 and photovoltaic is allowed to carry out face contact.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with it is other The difference of embodiment, same or similar part may refer to each other between each embodiment.For being filled disclosed in embodiment For setting, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is referring to method part Explanation.

Claims (6)

1. a kind of photovoltaic module creepage distance measuring tool characterized by comprising measuring scale ontology;The measuring scale ontology Including the first measuring scale interconnected and the second measuring scale;
Wherein, the length of first measuring scale is the maximum creepage distance of the first model photovoltaic module, second measuring scale Length be the first model photovoltaic module minimum creep distance.
2. photovoltaic module creepage distance measuring tool as described in claim 1, which is characterized in that the one of first measuring scale End is connected with one end of second measuring scale by connecting rod;And first measuring scale and second measuring scale are and institute It states connecting rod vertically to connect, first measuring scale, the connecting rod and second measuring scale form Z-type structure.
3. photovoltaic module creepage distance measuring tool as described in claim 1, which is characterized in that the one of first measuring scale End and one end of second measuring scale are connected with each other and are mutually perpendicular to;
The measuring scale ontology further include:
It is located along the same line with first measuring scale, and length is the of the maximum creepage distance of the second model photovoltaic module Three measuring scales;
It is vertically positioned on same straight line with second measuring scale, and length climbs electricity for the minimum of the second model photovoltaic module 4th measuring scale of distance;
Wherein, first measuring scale, second measuring scale, the third measuring scale and the 4th measuring scale form ten Font structure;
The first model photovoltaic module and the second model photovoltaic module are the photovoltaic module of different sizes.
4. photovoltaic module creepage distance measuring tool as described in claim 1, which is characterized in that first measuring scale and institute It states the second measuring scale to be mutually perpendicular to, and second measuring scale can slide on first measuring scale.
5. such as the described in any item photovoltaic module creepage distance measuring tools of Claims 1-4, which is characterized in that described first Scale is additionally provided on measuring scale and second measuring scale.
6. photovoltaic module creepage distance measuring tool as claimed in claim 5, which is characterized in that first measuring scale and institute The thickness for stating the second measuring scale is equal, and thickness is not less than 2cm.
CN201920315906.0U 2019-03-13 2019-03-13 A kind of photovoltaic module creepage distance measuring tool Active CN209355824U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114322790A (en) * 2022-01-05 2022-04-12 海宁正泰新能源科技有限公司 Photovoltaic module semi-finished product creepage distance detection device and method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114322790A (en) * 2022-01-05 2022-04-12 海宁正泰新能源科技有限公司 Photovoltaic module semi-finished product creepage distance detection device and method

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