KR101345124B1 - Peel Strength Measuring Device for components of Solar Cell and Measuring Method for the same - Google Patents

Peel Strength Measuring Device for components of Solar Cell and Measuring Method for the same Download PDF

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Publication number
KR101345124B1
KR101345124B1 KR1020110145395A KR20110145395A KR101345124B1 KR 101345124 B1 KR101345124 B1 KR 101345124B1 KR 1020110145395 A KR1020110145395 A KR 1020110145395A KR 20110145395 A KR20110145395 A KR 20110145395A KR 101345124 B1 KR101345124 B1 KR 101345124B1
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South Korea
Prior art keywords
stud
panel
solar cell
fixing groove
peel strength
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KR1020110145395A
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Korean (ko)
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KR20130076950A (en
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김남수
홍원식
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전자부품연구원
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    • 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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  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Photovoltaic Devices (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)

Abstract

Peel strength measuring device of the solar cell component of the present invention, the stud assembly for fixing the solar panel to measure the interlayer peel strength of the solar panel consisting of one or more layers, the drive unit for moving the stud assembly in the opposite direction, A stud assembly including a measurement unit for measuring a change in tensile force of the stud assembly, the stud assembly comprising: a first stud having a first fixing groove to receive and fix the lower layer of the panel; And a second stud having a second fixing groove to receive and fix the upper layer of the panel, wherein the first stud and the second stud are vertically moved in opposite directions.

Description

Peel Strength Measuring Device for components of Solar Cell and Measuring Method for the same}

The present invention relates to a peeling strength measuring device and a measuring method between the solar cell components, and more particularly to a peeling strength measuring device of the solar cell component for quantitatively measuring the adhesive strength between the encapsulant and the back sheet of the solar cell panel and It relates to a measuring method.

The solar cell panel is composed of a glass substrate as a base, an encapsulant, and a back sheet formed on the encapsulant, and the encapsulant and the backsheet are generally laminated by the adhesive force of the encapsulant.

When the adhesive strength between the backsheet and the encapsulant is weakened, moisture penetrates between them, which may cause corrosion of the solar cell, and thus, the adhesive strength between the backsheet and the encapsulant is determined by the solar panel. It can be recognized as an important factor in determining long-term reliability.

Therefore, various measurement methods for quantitatively measuring the adhesive strength of the backsheet and the encapsulant have been proposed. Until now, the method of measuring the adhesive strength (peel strength) of the backsheet, as shown in FIG. After the tip was peeled off and bent, the method of measuring the peel strength between the backsheet 31 and the encapsulant 32 was measured by measuring the tensile force of the backsheet 31.

However, in the method of measuring the peel strength by bending a part of the back sheet as described above, when the back sheet is deteriorated and cured, a problem occurs in that the back sheet is broken when measuring the peel strength of the back sheet.

JP 2005-201823 A

It is an object of the present invention to provide a peeling strength measuring apparatus and measuring method of a solar cell panel capable of quantitatively measuring the peeling strength of a backsheet irrespective of the curing of the backsheet.

In order to achieve the object of the present invention described above, the present invention provides a stud assembly for fixing the solar cell panel, the stud assembly to move in the opposite direction to each other in order to measure the interlayer peel strength of the solar cell panel consisting of one or more layers An apparatus for measuring peeling strength of a solar panel including a driving unit and a measuring unit measuring a change in tensile force of the stud assembly, the apparatus comprising: a first stud having a first fixing groove in which a lower layer of the panel is received and fixed; And a second stud having a second fixing groove to receive and fix the upper layer of the panel, wherein the first stud and the second stud are moved up and down in opposite directions. An intensity measuring device can be provided.

Here, the depth of the first fixing groove of the first stud corresponds to the height from the peel strength measurement surface between the upper layer and the lower layer to the bottom surface of the lower layer, the depth of the second fixing groove of the second stud is the peeling It may correspond to the height from the strength measurement surface to the upper surface of the upper layer.

In addition, the bottom surface of the lower layer and the top surface of the upper layer of the panel may be adhesively bonded to the first fixing groove and the second fixing groove with an adhesive.

The lower layer of the panel may be a glass substrate and an encapsulant, and the upper layer of the panel may be a back sheet.

In addition, the lower layer of the panel is a glass substrate, the upper layer of the panel may be a back sheet and an encapsulant, and the lower layer of the panel is a glass substrate and a first encapsulant, the upper layer of the panel is a back sheet, a second encapsulation Ash and solar cell.

Method for measuring the peel strength of the solar cell panel according to the present invention, forming the first and second fixing grooves in the first stud and the second stud to accommodate and fix the solar cell panel formed of a multi-layer sheet (S110); Adhesively fixing the bottom surface of the lowermost layer of the solar cell panel to the first fixing groove of the first stud and the upper surface of the uppermost layer to the second fixing groove of the second stud (S120); Curing the adhesive for fixing the solar panel to the first and second studs (S130); Peeling the sheet of the solar cell panel by moving the first stud and the second stud in opposite directions (S140); And measuring peeling strength of the solar cell panel by measuring a change in tensile force of the first stud or the second stud (S150).

According to the present invention, a peeling strength measuring apparatus of a solar cell panel capable of quantitatively measuring peeling strength between various sheet layers of a backsheet or a solar cell panel without being peeled off and part of the backsheet is removed. Can be provided.

1 is a cross-sectional view of a stud assembly of the peel strength measuring apparatus according to an embodiment of the present invention;
2 is a cross-sectional view of a stud assembly with a solar cell panel installed;
3 is a cross-sectional view showing that the back sheet is peeled from the encapsulant;
4 is a cross-sectional view of a multilayer solar cell panel; And
5 is a schematic view showing the measurement of the peel strength of the backsheet of the prior art.

Hereinafter, with reference to the accompanying drawings will be described in detail the peel strength measurement apparatus and measuring method of a solar cell component according to a preferred embodiment of the present invention.

The peeling strength measuring apparatus 100 of the solar cell component according to the preferred embodiment of the present invention, the stud assembly 110 and the stud assembly 110 for fixing the glass substrate and the back sheet of the solar panel respectively, respectively, in the vertical direction The drive unit and the measurement unit for measuring the change in the tensile force of the stud assembly 110 to drive the drive, and the configuration of the drive unit and the measurement unit is known in the prior art, such as a detailed description thereof will be omitted.

As shown in FIG. 1, the stud assembly 110 according to the present embodiment includes a first stud 111 on which a glass substrate of a solar cell panel is fixed and a second stud 112 on which a back sheet of the solar cell panel is fixed. The first stud 111 and the second stud 112 may be moved up and down by a driving unit (not shown).

The first stud 111 and the second stud 112 may be formed in a “T” shape in cross section, but the shape of the first stud 111 and the second stud 112 is not limited thereto. ) May be formed, the shape may be freely deformable.

The first stud 111 may be formed with a first fixing groove 113a in which the glass substrate 11 and the encapsulant 12 of the panel are inserted and fixed in the center portion, and the second stud 112 has the center portion. A second fixing groove 113b may be formed in which the back sheet 13 of the panel is inserted and fixed.

The first fixing groove 113a and the second fixing groove 113b preferably have the same area, but may have a difference in depth. That is, the first fixing groove 113a may accommodate the glass substrate 11 and the encapsulant 12 of the panel, and may be formed deeper than the second fixing groove 113b.

That is, as shown in Figure 2, the fixing groove 113 formed between the first stud 111 and the second stud 112 is to be formed to have a depth substantially the same as the solar cell panel to be measured peel strength. Can be. In this case, the depth of the first fixing groove 113a formed in the first stud 111 is preferably equal to the sum of the heights of the glass substrate 11 and the encapsulant 12, and is formed in the second stud 112. The depth of the second fixing groove 113b is preferably equal to the height of the backsheet 13.

That is, the depth of the first fixing groove 113a is to receive the lower layers (11, 12) of the portion where the peeling strength is to be measured, the depth of the second fixing groove (113b) is the upper layer 13 of the portion to be measured peeling strength It is preferable that this is formed to be received.

The glass substrate 11 of the panel 10 may be adhesively bonded to the first fixing groove 113a and the back sheet 13 of the panel 10 by the second fixing groove 113b and the adhesive, respectively. More specifically, the bottom surface of the glass substrate 11 and the first fixing groove 113a may be adhesively bonded, and the top surface of the back sheet 13 and the second fixing groove 113b may be adhesively bonded.

That is, in order to measure the peel strength between the backsheet 13 and the encapsulant 12, the glass substrate 11 of the panel is fixed to the first stud 111 and the backsheet 13 is the second stud 112. It is fixedly installed. As a result, as illustrated in FIG. 3, the backsheet 13 may be peeled from the encapsulant 12 by moving the first stud 111 and the second stud 112 in opposite directions. By the change in the tensile force of the first stud 111 or the second stud 112 by (not shown), the peeling strength of the back sheet 13 can be measured quantitatively.

On the other hand, as shown in Figure 4, in order to measure the peel strength of the multi-layer panel sample provided with a solar cell 23 between two layers of encapsulant (22, 24), corresponding to the area and depth of the sample Fixing grooves may be formed.

As shown in FIG. 4, the solar cell panel 20 includes a glass substrate 21, a first encapsulant 22, a solar cell 23, a second encapsulant 24, and a back sheet 25. When the peeling strength between the solar cell 23 and the second encapsulant 24 is to be measured in the solar panel 20, the first fixing groove 113a of the first stud 111 is formed. The depth is formed equal to the sum of the heights of the glass substrate 21, the first encapsulant 22, and the solar cell 23, and the depth of the second fixing groove 113b of the second stud 112 is first It may be formed equal to the sum of the height of the two encapsulant 24, the back sheet (25).

The measuring method of measuring the peeling strength of a panel using the peeling strength measuring apparatus of the solar cell component which has the structure as mentioned above,

Forming first and second fixing grooves in the first stud and the second stud to accommodate and fix the solar cell panel formed of the multilayer sheet (S110); Bonding the bottom surface of the lowermost layer of the solar cell panel to the first fixing groove of the first stud and the upper surface of the top layer to the second fixing groove of the second stud with an adhesive (S120); Curing the adhesive for fixing the solar panel to the stud (S130); Peeling the sheet of the solar cell panel by moving the first stud and the second stud in opposite directions (S140); In operation S150, the peeling strength of the solar cell panel may be measured by measuring a change in tensile force of the first stud or the second stud.

In the fixing groove forming step (S110), the depth of the first fixing groove is equal to the height from the surface to which the peel strength is measured to the bottom of the bottom layer of the panel, and the depth of the second fixing groove is from the surface to which the peel strength is measured. It may be equal to the height to the top of the top layer of the panel.

In the adhesive fixing step (S120), the adhesive for adhesively fixing the top layer and the bottom layer of the panel to the first or second stud may be a heat curable or ultraviolet curable adhesive.

As mentioned above, although the peeling strength measuring apparatus and the measuring method of the solar cell component of this invention were demonstrated with reference to the preferred embodiment of this invention, the scope of the present invention is not limited to the above-mentioned embodiment, It will be apparent to those skilled in the art that modifications, changes and various variations are possible without departing from the scope of the invention.

100: peel strength measuring device 110: stud assembly
111,112: first and second stud 113: fixing groove
113a, 113b: first and second fixing grooves 10: solar cell panel
11 glass substrate 12 encapsulation material
13: backsheet 20: solar panel
21: glass substrate 22: the first encapsulation material
23 solar cell 24 second encapsulation material
25: backsheet 31: backsheet
32: encapsulant

Claims (7)

A stud assembly for fixing the solar cell panel to measure the interlayer peel strength of the solar cell panel composed of one or more layers, a drive unit for moving the stud assembly in opposite directions, and a measurement unit for measuring a change in tensile force of the stud assembly In the peel strength measurement device of the solar cell component,
The stud assembly may include a first stud having a first fixing groove in which the lower layer of the panel is accommodated and fixed and having a cross section having a “T” shape; And a second stud having a second fixing groove to receive and fix the upper layer of the panel and having a “T” shape in cross section; wherein the first stud and the second stud are vertically moved in opposite directions. The lower surface of the lower layer of the panel and the upper surface of the upper layer are adhesively bonded to the first fixing groove and the second fixing groove by an adhesive, and the depth of the first fixing groove of the first stud is measured for peel strength between the upper layer and the lower layer. Corresponds to a height from a surface to a bottom surface of the lower layer, and a depth of the second fixing groove of the second stud corresponds to a height from the peel strength measurement surface to the upper surface of the upper layer,
Peel strength measuring device of the solar cell component, characterized in that the area of the first fixing groove and the second fixing groove is 1cm × 1cm.
The method according to claim 1,
The lower layer of the panel is a glass substrate and an encapsulant, the upper layer of the panel is a peel sheet strength measuring device of the solar cell component, characterized in that.
The method according to claim 1,
The lower layer of the panel is a glass substrate, the upper layer of the panel is peeling strength measuring device of the solar cell component, characterized in that the back sheet and the encapsulant.
The method according to claim 1,
The lower layer of the panel is a glass substrate and the first encapsulant, the upper layer of the panel is a back sheet, the second encapsulant and the solar cell cell peel strength measuring apparatus characterized in that the solar cell. delete delete delete
KR1020110145395A 2011-12-29 2011-12-29 Peel Strength Measuring Device for components of Solar Cell and Measuring Method for the same KR101345124B1 (en)

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KR1020110145395A KR101345124B1 (en) 2011-12-29 2011-12-29 Peel Strength Measuring Device for components of Solar Cell and Measuring Method for the same

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KR1020110145395A KR101345124B1 (en) 2011-12-29 2011-12-29 Peel Strength Measuring Device for components of Solar Cell and Measuring Method for the same

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KR101345124B1 true KR101345124B1 (en) 2013-12-26

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KR102366493B1 (en) 2018-10-26 2022-02-24 주식회사 엘지에너지솔루션 Apparatus for measuring peel strength of battery compartments using electromagnet and Method for measuring peel strength thereby

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200261974Y1 (en) * 2001-08-30 2002-02-06 윤경구 An apparatus for measurement of sticking strength of concrete by direct tension
KR100426325B1 (en) 2002-02-27 2004-04-14 대상엔지니어링(주) An apparatus and method for measurement of adhesion strength of concrete by a uniaxial tension
JP2005300414A (en) 2004-04-14 2005-10-27 Ricoh Co Ltd Powder adhesiveness measuring method and powder adhesiveness measuring method
KR100579953B1 (en) 2003-08-08 2006-05-12 현대자동차주식회사 Powdering test equipment of coated steel sheet and test method to use this

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200261974Y1 (en) * 2001-08-30 2002-02-06 윤경구 An apparatus for measurement of sticking strength of concrete by direct tension
KR100426325B1 (en) 2002-02-27 2004-04-14 대상엔지니어링(주) An apparatus and method for measurement of adhesion strength of concrete by a uniaxial tension
KR100579953B1 (en) 2003-08-08 2006-05-12 현대자동차주식회사 Powdering test equipment of coated steel sheet and test method to use this
JP2005300414A (en) 2004-04-14 2005-10-27 Ricoh Co Ltd Powder adhesiveness measuring method and powder adhesiveness measuring method

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