CN213658549U - Tension test machine and photovoltaic module's backplate peeling test equipment - Google Patents
Tension test machine and photovoltaic module's backplate peeling test equipment Download PDFInfo
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- CN213658549U CN213658549U CN202022079164.1U CN202022079164U CN213658549U CN 213658549 U CN213658549 U CN 213658549U CN 202022079164 U CN202022079164 U CN 202022079164U CN 213658549 U CN213658549 U CN 213658549U
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Abstract
The utility model relates to a photovoltaic module performance evaluation equipment technical field especially relates to a tensile test machine and photovoltaic module's backplate peeling test equipment. This tensile test machine includes: the fixed bottom plate is obliquely arranged relative to the ground; a pair of fixed bases fixed to the upper and lower points of the fixed base plate, respectively; the sliding base is movably connected between the pair of fixed bases and can reciprocate between the pair of fixed bases; one end of the extension rod is movably hung at the bottom of the sliding base, the other end of the extension rod is provided with a sample clamping fixture, and the extension rod is provided with a tension sensor. The tensile force tester can enable the tensile force applied to the sample in the testing process to be always kept perpendicular to the horizontal direction, so that the photovoltaic sample can meet the requirements of sample cutting conditions and test angles in the stripping test process, and the requirements of the safety identification standard of the photovoltaic module are met.
Description
Technical Field
The utility model relates to a photovoltaic module performance evaluation equipment technical field especially relates to a tensile test machine and photovoltaic module's backplate peeling test equipment.
Background
In the second part of the international standard "photovoltaic module safety certification: the test requirements (referred to herein as "standards" for short, and the standard number: IEC 61730-2:2016) relate to peel tests that characterize the insulating properties of photovoltaic modules by testing the adhesion durability between the flexible interlayer materials, or between the flexible and rigid interlayer materials, of the photovoltaic module. The peel test described above is applicable to photovoltaic modules having a lap bond configuration. At present, the peeling test is usually realized by adopting a tensile testing machine, but the traditional universal tensile testing machine is difficult to meet the requirements of a cutting sample, a test angle and the like required by the peeling test in the standard.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a tensile test machine can satisfy the requirement that the required sample of peeling off test cut condition and experimental angle.
The utility model discloses still provide a photovoltaic module's backplate peeling test equipment.
According to the utility model discloses a tensile test machine of an aspect embodiment, include:
the fixed bottom plate is obliquely arranged relative to the ground;
the pair of fixed bases are respectively fixed at a higher point and a lower point of the fixed bottom plate;
the sliding base is movably connected between the pair of fixed bases and can reciprocate between the pair of fixed bases;
one end of the extension rod is movably hung at the bottom of the sliding base, the other end of the extension rod is provided with a sample clamping fixture, and the extension rod is provided with a tension sensor.
According to the utility model discloses an embodiment, the tensile test machine still includes:
the screw rod is obliquely connected between the pair of fixed bases;
and the nut is movably connected to the lead screw, is connected with the sliding base and is used for driving the sliding base to move.
According to the utility model discloses an embodiment, the tensile test machine still includes:
and the driving mechanism is connected to one end of the lead screw.
According to the utility model discloses an embodiment, actuating mechanism includes step motor, step motor's output shaft pass through the shaft coupling with screw connection.
According to the utility model discloses an embodiment, the tensile test machine still includes:
at least one guide optical axis which is connected between the pair of fixed bases and is arranged in parallel with the axial direction of the lead screw;
at least one straight line slider, rigid coupling in sliding base is last, every the activity is equipped with respectively on the direction optical axis one straight line slider.
According to the utility model discloses an embodiment, the tensile test machine still includes:
the guide optical axes are symmetrically arranged on two sides of the lead screw;
the sliding base is fixedly connected to the nut, and each pair of the linear sliding blocks is fixedly connected to the sliding base and symmetrically arranged on two sides of the nut.
According to an embodiment of the invention, the fixed base plate is inclined at least 45 ° with respect to the ground.
According to the utility model discloses an embodiment, the tensile test machine still includes:
fixing the frame;
the main box body extends outwards from one side of the fixed rack, and the fixed bottom plate is fixedly connected in the main box body;
and the weight box is fixed on one side, back to the main box body, of the fixed rack and is positioned below the main box body.
According to the utility model discloses an embodiment, the bottom of fixed frame is connected with a plurality of truckles, at least one through high adjustment mechanism install the retaining member on the truckle.
According to the utility model discloses another aspect embodiment's a photovoltaic module's backplate peeling test equipment, include as above the tensile test machine.
The embodiment of the utility model provides an in above-mentioned one or more technical scheme, one of following technological effect has at least:
the utility model discloses a tensile test machine specifically includes: the fixed bottom plate is obliquely arranged relative to the ground; a pair of fixed bases fixed to the upper and lower points of the fixed base plate, respectively; the sliding base is movably connected between the pair of fixed bases and can reciprocate between the pair of fixed bases; one end of the extension rod is movably hung at the bottom of the sliding base, the other end of the extension rod is provided with a sample clamping fixture, and the extension rod is provided with a tension sensor. This tensile test machine drives the reciprocating motion that the extending rod made the incline direction through sliding base to drive the sample and go up and down, thereby make the sample receive along the axial pulling force of extending rod, this pulling force can remain throughout and be mutually perpendicular with the horizontal direction, thereby make photovoltaic module's backplate peel off equipment and peel off experimental in-process to the photovoltaic sample, can satisfy the sample throughout and cut the requirement of condition and experimental angle, thereby satisfy the standard requirement.
Furthermore, the tensile testing machine can also simplify the sample testing process, improve the sample testing precision and the testing efficiency, and reduce the error influence of manual operation on the testing process.
The utility model discloses test equipment is peeled off to photovoltaic module's backplate, include as above tension test machine. Through setting up above-mentioned tensile test machine for this photovoltaic module's backplate peels off test equipment and has above-mentioned tensile test machine's whole advantages, and it is no longer repeated here.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
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 front view of a tensile testing machine (hidden main box) according to an embodiment of the present invention;
fig. 2 is a top view of a tensile testing machine (hidden main box body) according to an embodiment of the present invention;
fig. 3 is a side view of the tensile testing machine according to the embodiment of the present invention.
Reference numerals:
1: a fixed base; 2: a sliding base; 3: a coupling; 4: a stepping motor; 5: an extension pole; 6: a tension sensor; 7: a sample clamping fixture; 8: a linear slider; 9: guiding the optical axis; 10: a nut; 11: fixing the bottom plate; 12: a main box body; 13: a weight box.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1 to 3, the embodiment of the present invention provides a tension testing machine, and provides a back plate peeling test device of a photovoltaic module based on the tension testing machine (the embodiment of the present invention is simply referred to as "peeling test device").
As shown in fig. 1, the tensile testing machine specifically includes a fixed base plate 11, a fixed base 1, a sliding base 2, and an extension rod 5. The fixed base plate 11 is arranged obliquely relative to the ground so as to provide a reference platform for lifting the sample, and the fixed base 1 is preferably inclined at least 45 degrees relative to the ground so as to meet the specific requirements on the test angle in the standard peeling test. The tensile testing machine specifically comprises a pair of fixing bases 1, wherein the pair of fixing bases 1 are respectively fixed at a higher point and a lower point of a fixing base plate 11, so that the height difference of lifting of a sample in a stripping test is met. The sliding base 2 is movably connected between the pair of fixed bases 1 and can reciprocate between the pair of fixed bases 1 to drive the extension rod 5 to lift between the pair of fixed bases 1 with height difference, and further drive the sample to do inclined lifting motion. The one end activity of extension rod 5 is hung in the bottom of sliding base 2 to extension rod 5 receives the sample from the action of gravity and sliding base 2's pulling force effect and adjusts the gesture, guarantees that extension rod 5 remains vertical for ground throughout, so that the pulling force that the sample received can remain perpendicular with the horizontal direction mutually throughout. The other end of the extension rod 5 is provided with a sample clamping fixture 7 for securing a sample to the extension rod 5. The sample clamping fixture 7 can select the existing clamping tool according to the structural shape of the sample to be measured. The extension rod 5 is provided with a tension sensor 6, and the tension sensor 6 is used for measuring the stress of the extension rod 5, namely, the tension sensor 6 is used for detecting the stress condition of a sample.
This tensile test machine drives extension rod 5 through sliding base 2 and makes the reciprocating elevating movement of incline direction, in order to drive the sample lift, thereby make the sample receive along 5 axial pulling forces of extension rod, this pulling force can remain throughout and be mutually perpendicular with the horizontal direction, and then make photovoltaic module's backplate peel off test equipment peel off experimental in-process, satisfy the basis of cutting the condition at the photovoltaic module sample, make the sample satisfy the requirement of experimental angle all the time, guarantee promptly that the photovoltaic module sample in the experiment can satisfy the standard to peeling off each item experimental requirement. On the basis, the tensile testing machine can also simplify the sample testing process, improve the sample testing precision and the testing efficiency, and reduce the error influence of manual operation on the testing process.
In some embodiments, as shown in fig. 2, the tensile testing machine further comprises a lead screw nut pair. The sliding base 2 can be driven by the screw-nut pair to slide and lift between the pair of fixed bases 1. Specifically, the lead screw is obliquely connected between a pair of fixed bases 1, the nut 10 is movably connected on the lead screw and connected with the sliding base 2, and the nut 10 moves along the lead screw to drive the sliding base 2 to move.
In order to realize the reliable movement of the screw-nut pair, the tensile testing machine further comprises a driving mechanism, and the driving mechanism is connected to one end of the screw. Preferably, as shown in fig. 1 and 2, the driving mechanism is connected to the lower end of the screw, and the position is set to improve the motion reliability of the screw-nut pair, so that the center of gravity of the moving sliding base 2 is close enough to the fixed base plate 11. Preferably, the driving mechanism comprises a stepping motor 4, an output shaft of the stepping motor 4 is connected with the lead screw through a coupler 3, the stepping motor 4 drives the lead screw to rotate through rotation of the output shaft so as to drive the nut 10 which is engaged and sleeved on the lead screw to perform lifting motion in the advancing process along the axial direction of the lead screw, and further drive the sliding base 2 fixedly connected to the nut 10 to perform lifting motion in the advancing process along the axial direction of the lead screw.
It can be understood that the "lifting movement during traveling" described in the present embodiment refers to reciprocating traveling between the pair of fixed bases 1, and a relative lifting movement is formed due to a height difference between the pair of fixed bases 1 during traveling.
In some embodiments, as shown in fig. 2, the tensile testing machine further includes at least one guide optical axis 9 and at least one linear slider 8, and there is a one-to-one correspondence between the guide optical axis 9 and the linear slider 8. The guide optical axis 9 is connected between the pair of fixed bases 1 and is arranged in parallel with the axial direction of the lead screw; the linear sliding block 8 is fixedly connected to the sliding base 2, and each guide optical axis 9 is movably provided with one linear sliding block 8. The assembly setting of direction optical axis 9 and slider can constitute a set of guiding mechanism to provide reliable guide effect at the in-process of screw nut pair drive sliding bottom 2 motion, so that sliding bottom 2 is more steady accurate along the axial motion of lead screw.
In order to further improve the smoothness of the movement of the sliding base 2, it is preferable that the tensile testing machine comprises at least one pair of guide optical axes 9 and at least one pair of linear sliders 8. Namely, the tensile testing machine comprises at least one pair of guide mechanisms. Each pair of guide optical axes 9 is symmetrically arranged on two sides of the screw rod respectively, the sliding base 2 is fixedly connected to the nut 10, and each pair of linear sliding blocks 8 is fixedly connected to the sliding base 2 and symmetrically arranged on two sides of the nut 10 respectively. The symmetrical linear sliding blocks 8 not only play a role in guiding the sliding base 2, but also play a role in balancing and supporting the sliding base 2 together with the nut 10 in the moving process, so that the sliding base 2 can move more stably.
In some embodiments, as shown in fig. 3, the tensile tester further includes a stationary frame, a main case 12, and a weight box 13. The main box 12 extends outward from one side of the fixed frame to form a cantilever structure, and the fixed bottom plate 11 is fixedly connected in the main box 12. The weight box 13 is fixed on one side of the fixed rack, which is back to the main box body 12, and is positioned below the main box body 12, and the balance between the weight box 13 and the main box body 12 is achieved, so that the support of the tensile testing machine is stable, and the overturning is avoided.
In order to improve the flexible mobility of the tensile testing machine, the bottom of the fixed rack is preferably connected with a plurality of casters through a height adjusting mechanism, and at least one of the casters is provided with a locking piece. It can be understood that the height adjusting mechanism can be a piston rod, an adjusting bolt and other common height adjusting mechanisms; the truckle is preferred to be the universal wheel, and the retaining member is preferably the brake lock jump ring or the brake block of installing on the universal wheel.
The utility model discloses test equipment is peeled off to photovoltaic module's backplate, include as above tension test machine. The peeling test equipment combines the tension test machine and the control mechanism, and can peel the back plate of the photovoltaic module, so that the adhesion durability of the back plate of the photovoltaic module is detected, and the insulativity of the photovoltaic module is represented. Moreover, by providing the tensile testing machine, the peeling test equipment has all the advantages of the tensile testing machine, and is not described herein again.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.
In embodiments of the invention, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
The above embodiments are merely illustrative, and not restrictive, of the present invention. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalent substitutions may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all of the technical solutions should be covered by the scope of the claims of the present invention.
Claims (10)
1. A tensile testing machine, comprising:
the fixed bottom plate is obliquely arranged relative to the ground;
the pair of fixed bases are respectively fixed at a higher point and a lower point of the fixed bottom plate;
the sliding base is movably connected between the pair of fixed bases and can reciprocate between the pair of fixed bases;
one end of the extension rod is movably hung at the bottom of the sliding base, the other end of the extension rod is provided with a sample clamping fixture, and the extension rod is provided with a tension sensor.
2. The tensile testing machine of claim 1, further comprising:
the screw rod is obliquely connected between the pair of fixed bases;
and the nut is movably connected to the lead screw, is connected with the sliding base and is used for driving the sliding base to move.
3. The tensile testing machine of claim 2, further comprising:
and the driving mechanism is connected to one end of the lead screw.
4. The tensile testing machine of claim 3, wherein the driving mechanism comprises a stepping motor, and an output shaft of the stepping motor is connected with the lead screw through a coupler.
5. The tensile testing machine of claim 2, further comprising:
at least one guide optical axis which is connected between the pair of fixed bases and is arranged in parallel with the axial direction of the lead screw;
at least one straight line slider, rigid coupling in sliding base is last, every the activity is equipped with respectively on the direction optical axis one straight line slider.
6. The tensile testing machine of claim 5, further comprising:
the guide optical axes are symmetrically arranged on two sides of the lead screw;
the sliding base is fixedly connected to the nut, and each pair of the linear sliding blocks is fixedly connected to the sliding base and symmetrically arranged on two sides of the nut.
7. The tensile testing machine of claim 1, wherein the fixed base plate is inclined at least 45 ° relative to the ground.
8. The tensile testing machine of any one of claims 1 to 7, further comprising:
fixing the frame;
the main box body extends outwards from one side of the fixed rack, and the fixed bottom plate is fixedly connected in the main box body;
and the weight box is fixed on one side, back to the main box body, of the fixed rack and is positioned below the main box body.
9. The tensile testing machine of claim 8, wherein the bottom of the fixed frame is connected with a plurality of casters through a height adjustment mechanism, and at least one of the casters is provided with a locking member.
10. A back sheet peel test apparatus for a photovoltaic module, comprising the tensile tester according to any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022079164.1U CN213658549U (en) | 2020-09-21 | 2020-09-21 | Tension test machine and photovoltaic module's backplate peeling test equipment |
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| CN202022079164.1U CN213658549U (en) | 2020-09-21 | 2020-09-21 | Tension test machine and photovoltaic module's backplate peeling test equipment |
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| CN213658549U true CN213658549U (en) | 2021-07-09 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113758860A (en) * | 2021-08-16 | 2021-12-07 | 江苏徐工工程机械研究院有限公司 | Adjustable sunlight simulation test device and control method |
| CN115032145A (en) * | 2022-08-09 | 2022-09-09 | 江苏中清光伏科技有限公司 | Solar photovoltaic backplate peel strength testing arrangement |
-
2020
- 2020-09-21 CN CN202022079164.1U patent/CN213658549U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113758860A (en) * | 2021-08-16 | 2021-12-07 | 江苏徐工工程机械研究院有限公司 | Adjustable sunlight simulation test device and control method |
| CN115032145A (en) * | 2022-08-09 | 2022-09-09 | 江苏中清光伏科技有限公司 | Solar photovoltaic backplate peel strength testing arrangement |
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