CN115060587A - Compressive strength test equipment for manufacturing polycrystalline silicon solar cell - Google Patents
Compressive strength test equipment for manufacturing polycrystalline silicon solar cell Download PDFInfo
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- CN115060587A CN115060587A CN202210891596.3A CN202210891596A CN115060587A CN 115060587 A CN115060587 A CN 115060587A CN 202210891596 A CN202210891596 A CN 202210891596A CN 115060587 A CN115060587 A CN 115060587A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
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- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0044—Pneumatic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
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Abstract
The invention discloses a compressive strength testing device for manufacturing a polycrystalline silicon solar cell, which relates to the technical field of solar cell testing, and comprises a sealing testing part, a pressure testing part and a pressure testing part, wherein the sealing testing part is rotatably connected to one side of the upper surface of a base and is used for sealing and pressure testing a solar cell panel in a testing cavity; the air pressure testing component is connected to the inner bottom wall of the testing cavity and used for carrying out positive pressure testing and negative pressure testing on the solar cell panel in the testing cavity; the clamping component comprises a main buckle, an auxiliary buckle and a linkage element. This compressive strength test equipment that polycrystalline silicon solar cell made can make positive negative pressure state to test cavity inside to realize that the multistate detects, and the pressure test state makes things convenient for personnel's visual observation, and then avoids causing the solar cell panel that awaits measuring because of the too big pressure that surveys causes, can judge to be caused by the self factor of the solar cell panel that awaits measuring, and the too big pressure factor that does not survey causes.
Description
Technical Field
The invention relates to the technical field of solar cells, in particular to a compressive strength testing device for manufacturing a polycrystalline silicon solar cell.
Background
At present, in order to prepare a high-efficiency solar cell, people continuously improve the photoelectric conversion efficiency of the solar cell through various methods, a solar cell without a main grid is developed, and the front surface and the back surface of the solar cell without the main grid are only provided with confluence thin grid lines, so that the illuminated area is improved, and the photoelectric conversion efficiency of the solar cell is improved. In the process of manufacturing the solar cell, the measurement of electrical performance parameters is a very important link for measuring the performance of the solar cell, so that the compressive performance of the solar cell needs to be tested.
Chinese patent publication No. CN 106353198A discloses a lithium battery compression-resistant test bench, which specifically comprises: the lithium battery compression-resistant test bench comprises a platform, a support, a pressure cylinder and a fixing frame, wherein the support is arranged on the platform, the pressure cylinder is arranged on the support, and the fixing frame is arranged below the pressure cylinder; the lithium battery is arranged on the fixing frame. The lithium battery compression-resistant test bench provided by the invention can test basic extrusion deformation, ensures that the lithium battery cannot scatter around, avoids environmental pollution, and can directly observe internal test conditions through the transparent sealing cover.
Although it can reach in the in-service use in-process and guarantee that the lithium cell can not scatter everywhere, has avoided environmental pollution, realizes the purpose to personnel's protection to and can test the detection numerical value that exerts the pressure difference when detecting, but inconvenient realization multiple mode's test, for example the test under negative pressure and the malleation state.
Disclosure of Invention
Solves the technical problem
Aiming at the defects of the prior art, the invention provides a compressive strength testing device for manufacturing a polycrystalline silicon solar cell, which solves the problem of single testing mode in the background technology.
Technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a compressive strength test equipment that polycrystalline silicon solar cell made, includes base and solar cell panel, the test cavity has still been seted up at the middle part of base upper surface, the test cavity is used for storing the solar cell panel of being surveyed, movable cavity has been seted up to one side of base, still includes:
the sealing test component is rotatably connected to one side of the upper surface of the base and is used for sealing and pressure testing the solar cell panel in the test cavity;
the air pressure testing component is connected to the inner bottom wall of the testing cavity and used for carrying out positive pressure testing and negative pressure testing on the solar cell panel in the testing cavity;
the clamping component comprises a main buckle, an auxiliary buckle and a linkage element;
the two sides of the main buckle are fixedly connected with first rotating shafts, the main buckle is rotatably connected to one side of the inner wall of the movable cavity through the first rotating shafts, and the main buckle can turn relative to the base by taking the first rotating shafts as shafts;
the two sides of the auxiliary buckle are fixedly connected with second rotating shafts, the auxiliary buckle is rotatably connected to the other side of the inner wall of the movable cavity through the second rotating shafts, and the auxiliary buckle can turn over relative to the base by taking the second rotating shafts as shafts;
the two sides of the linkage element are fixedly connected with third rotating shafts, the linkage element is rotatably connected to the middle of the inner wall of the linkage element through the third rotating shafts, one end of the linkage element is connected to the upper surface of the main buckle in an overlapping mode, the other end of the linkage element is connected to the upper surface of the auxiliary buckle in an overlapping mode, and the linkage element can turn over relative to the base by taking the third rotating shafts as shafts to achieve synchronous control over the main buckle and the auxiliary buckle;
one side of the lower surface of the auxiliary buckle is fixedly connected with an elastic mechanism, and the auxiliary buckle is matched with the base through the elastic mechanism, so that the supporting force is provided for the auxiliary buckle through the elastic mechanism conveniently.
Optionally, the main buckle includes a supporting portion, the upper surface of the supporting portion is fixedly connected with a buckling portion, one side of the supporting portion is fixedly connected with a pressing portion, a through groove matched with the pressing portion is formed in one side of the base, and one side of the sealing cover is clamped through the main buckle.
Optionally, the auxiliary buckle comprises an adjusting portion, one side of the adjusting portion is fixedly connected with a bearing portion, the upper surface of the adjusting portion is fixedly connected with a clamping portion, the clamping portion and the clamping portion are identical in structure, and the end portions of the clamping portion and the clamping portion extend outwards to form a clamping hook, so that the clamping of the other side of the sealing cover is conveniently fixed through the auxiliary buckle.
Optionally, the linkage element includes a positioning portion, one end of the positioning portion extends to form a first overlapping portion, the other end of the positioning portion extends outward to form a second overlapping portion, and the linkage element is used for achieving synchronous linkage of the main buckle and the auxiliary buckle.
Optionally, the elastic mechanism includes an elastic element, the two ends of the elastic element are respectively provided with a mounting overlap buckle, one of the mounting overlap buckles is fixedly connected to the bottom of the adjusting portion, the other mounting overlap buckle is fixedly connected to the inner bottom wall of the movable cavity, and the elastic element can provide supporting force for the auxiliary buckle, so that the auxiliary buckle is ensured to be in a vertical state, and meanwhile, the elastic element can accumulate force when the auxiliary buckle is turned over, and provide supporting force for automatic resetting of the auxiliary buckle.
Optionally, the sealing test component comprises a sealing cover, a supporting shaft rotatably connected to the inner wall of the sealing cover, and an electric push rod fixedly connected to the upper surface of the sealing cover, the electric push rod can provide direct test pressure for the pressure detection plate, the electric push rod penetrates through a first pressure sensor fixedly connected to one end of the sealing cover, the first pressure sensor can directly detect the pressure detection plate, and the pressure detection plate is installed at one end of the first pressure sensor.
Optionally, the inside wall of sealed lid bonds and has the sealing washer, the holding tank with sealing washer looks adaptation is seted up to the upper surface of base, and the sealing washer overlap joint is in the holding tank to the realization is further sealed to the test cavity, thereby improves sealed effect, the buckle groove with main buckle and vice buckle looks adaptation is all seted up to the opposite side of base upper surface and one side of sealed lid upper surface, and the buckle groove is convenient to be connected with main buckle and vice buckle each other joint, realizes fixing sealed lid, one side of sealed lid upper surface is provided with first pressure display, first pressure display is connected with a pressure sensor electricity, thereby conveniently carries out pressure measurement through a pressure display and a pressure sensor to directly perceived shows pressure value, thereby makes things convenient for personnel to judge the detection state.
Optionally, the air pressure testing component includes a second pressure sensor and an air pressure adjusting seat fixedly connected to the top of the second pressure sensor, an air flow cavity is arranged inside the air pressure adjusting seat, an air flow hole is formed in the upper surface of the air pressure adjusting seat, the air flow cavity is communicated with the air flow hole, the second pressure sensor is fixedly connected to the inner bottom wall of the testing cavity through a bolt, and the air flow cavity is communicated with the air flow holes, so that internal air flow can be conveniently regulated and controlled, positive and negative pressure adjustment is achieved, positive and negative pressure testing of the solar cell panel is achieved, different testing modes are adopted, and persuasiveness of testing data can be further improved.
Optionally, the air supply pipe is communicated with the side surface of the air flow cavity, a negative pressure joint is arranged at one end of the air supply pipe, the negative pressure joint is fixedly connected to the side surface of the base, a positive pressure joint is fixedly connected to one side of the base, which is close to the negative pressure joint, the positive pressure joint and the negative pressure joint are conveniently connected with external air supply equipment, so that a positive pressure state and a negative pressure state are conveniently formed in the test cavity through the external air supply equipment, the positive pressure joint is communicated with the test cavity, a second pressure display is arranged on the back surface of the base, the second pressure display is electrically connected with a second pressure sensor, and in the pressure test state, a person can conveniently and visually detect the solar cell panel to be tested through the pressure display, thereby avoiding the damage of the solar cell panel to be tested due to overlarge pressure of the pressure test, namely, the solar cell panel to be tested can be judged to be caused by self factors of the solar cell panel to be tested, but not the excessive pressure factor of the pressure measurement.
Optionally, one side fixedly connected with of base upper surface and the articulated seat of supporting axle looks adaptation, back shaft rotatable coupling is at the inside wall of articulated seat, torque spring is all overlapped and is equipped with to the both sides of back shaft outer wall, torque spring pegs graft respectively at the inner wall of sealed lid and the outer wall of articulated seat, and torque spring can realize opening and shutting the automation of sealed lid to make things convenient for personnel to handle solar cell panel.
Advantageous effects
The invention provides a compressive strength testing device for manufacturing a polycrystalline silicon solar cell, which has the following beneficial effects:
1. this compressive strength test equipment that polycrystalline silicon solar cell made, through the setting of sealed test part and joint part, control through linkage element between main buckle and the vice buckle, thereby make things convenient for personnel to control main buckle and realize controlling of joint part, conveniently accomplish the hasp to sealed lid through the joint part, thereby realize the closure to the test cavity, avoid the panel to take place the breakage when the test, thereby reduce the risk of accidental injury personnel, make things convenient for the driving pressure pick-up plate to carry out direct pressure test to the panel through electric putter simultaneously.
2. This compressive strength test equipment that polycrystalline silicon solar cell made, setting through atmospheric pressure test part, negative pressure joint and malleation joint make things convenient for personnel to connect positive negative pressure equipment, through malleation joint and negative pressure joint to the inside positive negative pressure state of making of test cavity, thereby realize the multi-state and detect, and the pressure test state makes things convenient for personnel to carry out the visual observation through pressure display, and then avoid causing the solar cell panel that awaits measuring because of the too big pressure that surveys of pressure is impaired, can judge that the self factor by the solar cell panel that awaits measuring causes, and the too big factor of pressure that does not survey causes.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic structural view of the present invention in a closed state;
FIG. 3 is an exploded view of the base and the air pressure test unit of the present invention;
FIG. 4 is a schematic illustration of a disassembled structure of the seal test assembly of the present invention;
FIG. 5 is a schematic structural view of a clip member according to the present invention;
FIG. 6 is a schematic view of the second perspective structure of FIG. 2 according to the present invention;
FIG. 7 is a schematic cross-sectional front view of the present invention;
fig. 8 is a second perspective structure of fig. 1 according to the present invention.
In the figure: 1. a base; 2. a solar panel; 3. testing the cavity; 4. a movable cavity; 5. a main buckle; 501. a support portion; 502. a fastening part; 503. a pressing part; 6. an auxiliary buckle; 601. an adjustment section; 602. a bearing part; 603. a clamping part; 7. a linkage element; 701. a positioning part; 702. a first lap joint portion; 703. a second lap joint portion; 8. a first rotating shaft; 9. a second rotating shaft; 10. a third rotating shaft; 11. an elastic element; 12. overlapping and buckling; 13. a sealing cover; 14. a support shaft; 15. an electric push rod; 16. a first pressure sensor; 17. a pressure detection plate; 18. a seal ring; 19. a first pressure display; 20. a second pressure sensor; 21. an air pressure adjusting seat; 22. an airflow cavity; 23. an airflow aperture; 24. a gas supply pipe; 25. a negative pressure joint; 26. a positive pressure joint; 27. a hinged seat; 28. a torsion spring; 29. a second pressure display.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Referring to fig. 1 to 8, the present invention provides a technical solution: the utility model provides a compressive strength test equipment that polycrystalline silicon solar cell made, includes base 1 and solar cell panel 2, and test cavity 3 has still been seted up at the middle part of 1 upper surface of base, and test cavity 3 is used for storing by survey solar cell panel 2, and movable cavity 4 has been seted up to one side of base 1, still includes:
the sealing test component is rotatably connected to one side of the upper surface of the base 1 and is used for sealing and pressure testing the solar cell panel 2 in the test cavity 3;
the air pressure testing component is connected to the inner bottom wall of the testing cavity 3 and is used for carrying out positive pressure testing and negative pressure testing on the solar cell panel 2 in the testing cavity 3;
the clamping component comprises a main buckle 5, an auxiliary buckle 6 and a linkage element 7;
the two sides of the main buckle 5 are fixedly connected with first rotating shafts 8, the main buckle 5 is rotatably connected to one side of the inner wall of the movable cavity 4 through the first rotating shafts 8, and the main buckle 5 can turn relative to the base 1 by taking the first rotating shafts 8 as shafts;
the auxiliary buckle 6 is fixedly connected with second rotating shafts 9 on two sides of the auxiliary buckle 6, the auxiliary buckle 6 is rotatably connected to the other side of the inner wall of the movable cavity 4 through the second rotating shafts 9, and the auxiliary buckle 6 can turn over relative to the base 1 by taking the second rotating shafts 9 as a shaft;
both sides of the linkage element 7 are fixedly connected with third rotating shafts 10, the linkage element 7 is rotatably connected to the middle of the inner wall of the linkage element 7 through the third rotating shafts 10, one end of the linkage element 7 is connected to the upper surface of the main buckle 5 in an overlapping mode, the other end of the linkage element 7 is connected to the upper surface of the auxiliary buckle 6 in an overlapping mode, and the linkage element 7 can turn over relative to the base 1 by taking the third rotating shafts as shafts to achieve synchronous control over the main buckle 5 and the auxiliary buckle 6;
one side of the lower surface of the auxiliary buckle 6 is fixedly connected with an elastic mechanism, and the auxiliary buckle 6 is matched with the base 1 through the elastic mechanism, so that the auxiliary buckle 6 is conveniently supported through the elastic mechanism.
Example 2
Referring to fig. 5 and 7, as a preferred embodiment, a specific structure of the main buckle 5, the auxiliary buckle 6 and the linkage element 7 is disclosed, which specifically includes:
the main buckle 5 comprises a supporting part 501, the upper surface of the supporting part 501 is fixedly connected with a buckling part 502, one side of the supporting part 501 is fixedly connected with a pressing part 503, one side of the base 1 is provided with a through groove matched with the pressing part 503, and one side of the sealing cover 13 is clamped through the main buckle 5;
the auxiliary buckle 6 comprises an adjusting part 601, one side of the adjusting part 601 is fixedly connected with a bearing part 602, the upper surface of the adjusting part 601 is fixedly connected with a clamping part 603, the clamping part 603 and the clamping part 502 have the same structure, and the end parts of the clamping part 502 and the clamping part 603 extend outwards to form a clamping hook, so that the other side of the sealing cover 13 can be clamped and fixed conveniently through the auxiliary buckle 6;
the linkage element 7 comprises a positioning part 701, one end of the positioning part 701 extends to form a first overlapping part 702, the other end of the positioning part 701 extends outwards to form a second overlapping part 703, and the synchronous linkage of the main buckle 5 and the auxiliary buckle 6 is realized through the linkage element 7;
specifically, during the use, the staff side is pressed down and is pressed pressing portion 503, pressing portion 503 uses first pivot 8 as the axle upset, and then drive supporting part 501 upset upwards, thereby with the second overlap joint portion 703 lifting in the linkage component, first overlap joint portion 702 upset downwards simultaneously, thereby press down and move carrier portion 602, make joint portion 603 and buckle portion 502 all overturn to the right side, thereby break away from sealed lid 13, sealed lid 13 overturns automatically and opens, personnel can also realize the closure to sealed lid 13 through this kind of operation simultaneously.
Example 3
Referring to fig. 5 and 7, in order to achieve the purpose of automatic closing, an elastic mechanism is additionally provided, specifically:
the elastic mechanism comprises an elastic element 11, two ends of the elastic element 11 are respectively provided with a plurality of overlapping buckles 12, one overlapping buckle 12 is fixedly connected to the bottom of the adjusting part 601, the other overlapping buckle 12 is fixedly connected to the inner bottom wall of the movable cavity 4, and the elastic element can provide supporting force for the auxiliary buckle 6, so that the auxiliary buckle 6 is ensured to be in a vertical state, and meanwhile, the elastic element can accumulate force when the auxiliary buckle 6 is turned over and provide supporting force for automatic resetting of the auxiliary buckle;
specifically, during the use, elastic element 11 is the spring, also can be for other elastic component such as mild steel that can provide the reset, thereby elastic element 11 provides holding power and then drives first overlap joint portion 702 and the automatic sealed lid 13 of buckle portion 502 and the automatic buckle of joint portion 603 of realization of second overlap joint portion 703 coordinated control to improve sealed lid 13's stability.
Example 4
Referring to fig. 1, 2 and 4, for the purpose of direct pressure testing, a sealing test component is added, specifically:
the sealing test component comprises a sealing cover 13, a supporting shaft 14 rotatably connected to the inner wall of the sealing cover 13 and an electric push rod 15 fixedly connected to the upper surface of the sealing cover 13, the electric push rod 15 can provide direct test pressure for a pressure detection plate 17, one end of the electric push rod 15 penetrating through the sealing cover 13 is fixedly connected with a first pressure sensor 16, the first pressure sensor 16 can directly detect the pressure detection plate 17, and one end of the first pressure sensor 16 is provided with the pressure detection plate 17;
wherein, the inner side wall of the sealing cover 13 is bonded with a sealing ring 18, the upper surface of the base 1 is provided with a containing groove matched with the sealing ring 18, the sealing ring 18 is lapped in the containing groove, thereby realizing the further sealing of the testing cavity 3 and improving the sealing effect, the other side of the upper surface of the base 1 and one side of the upper surface of the sealing cover 13 are both provided with a buckling groove matched with the main buckle 5 and the auxiliary buckle 6, the buckling grooves are conveniently buckled with the main buckle 5 and the auxiliary buckle 6 mutually to realize the fixation of the sealing cover 13, one side of the upper surface of the sealing cover 13 is provided with a first pressure display 19, the first pressure display 19 is electrically connected with a first pressure sensor 16, thereby facilitating pressure measurement by the first pressure display 19 and the first pressure sensor 16, the pressure value is visually displayed, so that the detection state can be conveniently judged by personnel;
wherein, one side of the upper surface of the base 1 is fixedly connected with a hinged seat 27 matched with the supporting shaft 14, the supporting shaft 14 is rotatably connected with the inner side wall of the hinged seat 27, two sides of the outer wall of the supporting shaft 14 are respectively sleeved with a torsion spring 28, the torsion springs 28 are respectively inserted into the inner wall of the sealing cover 13 and the outer wall of the hinged seat 27, and the torsion springs 28 can realize automatic opening and closing of the sealing cover 13, so that a person can conveniently process the solar cell panel 2;
specifically, during the use, sealed lid 13 provides torsion through torsion spring 28, thereby make things convenient for the automatic upset of sealed lid 13 to open, sealed lid 13 is further sealed through sealing washer 18 after closed, thereby improve holistic sealing performance, for the atmospheric pressure test provides the condition on the one hand, on the other hand can also avoid the internals spill, thereby improve the security, electric putter 15 promotes first pressure sensor 16 and pressure detection board 17 and detects solar cell panel 2, first pressure sensor 19 can transmit solar cell panel 2 atress numerical value to 19 on the first pressure display simultaneously, personnel can directly perceived the observation, thereby the realization is to the direct pressure test of solar cell panel 2.
Example 5
Referring to fig. 1, fig. 2, fig. 3 and fig. 8, in order to achieve the purpose of multiple testing modes and increasing persuasion, an air pressure testing component is additionally provided, specifically:
the air pressure testing component comprises a second pressure sensor 20 and an air pressure adjusting seat 21 fixedly connected to the top of the second pressure sensor 20, an air flow cavity 22 is formed in the air pressure adjusting seat 21, an air flow hole 23 is formed in the upper surface of the air pressure adjusting seat 21, the air flow cavity 22 is communicated with the air flow hole 23, the second pressure sensor 20 is fixedly connected to the inner bottom wall of the testing cavity 3 through bolts, and the air flow cavity 22 is communicated with the air flow holes 23, so that internal air flow can be conveniently regulated and controlled, positive and negative pressure adjustment is achieved, positive and negative pressure testing of the solar cell panel 2 is further achieved, different testing modes are adopted, and persuasiveness of testing data can be further improved;
wherein, the side of the air flow cavity 22 is communicated with an air supply pipe 24, one end of the air supply pipe 24 is provided with a negative pressure joint 25, the negative pressure joint 25 is fixedly connected to the side of the base 1, one side of the base 1 close to the negative pressure joint 25 is fixedly connected with a positive pressure joint 26, the positive pressure joint 26 and the negative pressure joint 25 are conveniently connected with external air supply equipment, so that a positive pressure state and a negative pressure state are conveniently formed in the test cavity 3 through the external air supply equipment, the positive pressure joint 26 is communicated with the test cavity 3, the back of the base 1 is provided with a second pressure display 29, the second pressure display 29 is electrically connected with the second pressure sensor 20, and the pressure test state is convenient for personnel to visually detect through the pressure display 29, thereby avoiding the damage of the solar cell panel 2 to be tested due to the overlarge pressure of the pressure test, namely the damage caused by the self-factor of the solar cell panel 2 to be tested can be judged, but not the excessive pressure factor of the pressure measurement;
detailed description of known functions and known components is omitted in the specific implementation mode of the disclosure, and in order to ensure compatibility of the equipment, all adopted operation means are consistent with parameters of instruments on the market;
specifically, during the use, the staff connects positive pressure to connect 26 and negative pressure to connect 25 to be connected with external air supply equipment respectively, the positive pressure connects 26 air feed, to 3 inside pressurizations of test cavity, thereby realize the malleation test, personnel can set up the pressure value, make the pressure value keep at the test range, thereby avoid leading to the fact solar cell panel 2's damage because of pressure is too big, personnel can carry out atmospheric pressure through negative pressure joint 25 simultaneously and adjust, take out the atmospheric pressure in the air cavity, thereby realize inside negative pressure, thereby realize the mutual test of positive negative pressure, further improve the accuracy of test.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a compressive strength test equipment that polycrystalline silicon solar cell made, includes base (1) and solar cell panel (2), its characterized in that: base (1) upper surface's middle part has still seted up test cavity (3), test cavity (3) are used for storing by survey solar cell panel (2), movable cavity (4) have been seted up to one side of base (1), still include:
the sealing test component is rotatably connected to one side of the upper surface of the base (1) and is used for sealing and pressure testing the solar cell panel (2) in the test cavity (3);
the air pressure testing component is connected to the inner bottom wall of the testing cavity (3) and is used for carrying out positive pressure testing and negative pressure testing on the solar cell panel (2) in the testing cavity (3);
the clamping component comprises a main buckle (5), an auxiliary buckle (6) and a linkage element (7);
the two sides of the main buckle (5) are fixedly connected with a first rotating shaft (8), and the main buckle (5) is rotatably connected to one side of the inner wall of the movable cavity (4) through the first rotating shaft (8);
the two sides of the auxiliary buckle (6) are fixedly connected with second rotating shafts (9), and the auxiliary buckle (6) is rotatably connected to the other side of the inner wall of the movable cavity (4) through the second rotating shafts (9);
both sides of the linkage element (7) are fixedly connected with third rotating shafts (10), the linkage element (7) is rotatably connected to the middle of the inner wall of the linkage element (7) through the third rotating shafts (10), one end of the linkage element (7) is connected to the upper surface of the main buckle (5) in an overlapping mode, and the other end of the linkage element (7) is connected to the upper surface of the auxiliary buckle (6) in an overlapping mode;
and one side of the lower surface of the auxiliary buckle (6) is also fixedly connected with an elastic mechanism, and the auxiliary buckle (6) is matched with the base (1) through the elastic mechanism.
2. The compressive strength test equipment for manufacturing the polycrystalline silicon solar cell according to claim 1, wherein: the main buckle (5) comprises a supporting portion (501), a buckling portion (502) is fixedly connected to the upper surface of the supporting portion (501), a pressing portion (503) is fixedly connected to one side of the supporting portion (501), and a through groove matched with the pressing portion (503) is formed in one side of the base (1).
3. The compressive strength test equipment for manufacturing the polycrystalline silicon solar cell according to claim 2, wherein: the auxiliary buckle (6) comprises an adjusting portion (601), a bearing portion (602) is fixedly connected to one side of the adjusting portion (601), a clamping portion (603) is fixedly connected to the upper surface of the adjusting portion (601), the clamping portion (603) and the buckling portion (502) are identical in structure, and end portions of the clamping portion (502) and the clamping portion (603) extend outwards to form a clamping hook.
4. The compressive strength test equipment for manufacturing the polycrystalline silicon solar cell according to claim 3, wherein: the linkage element (7) comprises a positioning part (701), one end of the positioning part (701) extends to form a first bridging part (702), and the other end of the positioning part (701) extends outwards to form a second bridging part (703).
5. The compressive strength test equipment for manufacturing the polycrystalline silicon solar cell according to claim 4, wherein the compressive strength test equipment comprises: the elastic mechanism comprises an elastic element (11), two ends of the elastic element (11) are respectively provided with a plurality of lap buckles (12), one lap buckle (12) is fixedly connected to the bottom of the adjusting part (601), and the other lap buckle (12) is fixedly connected to the inner bottom wall of the movable cavity (4).
6. The compressive strength test equipment for manufacturing the polycrystalline silicon solar cell according to claim 1, wherein the compressive strength test equipment comprises: sealed test component includes sealed lid (13), rotate and connect in back shaft (14) of sealed lid (13) inner wall, electric putter (15) of fixed connection in sealed lid (13) upper surface, electric putter (15) run through the first pressure sensor (16) of the one end fixedly connected with of sealed lid (13), pressure detection board (17) are installed to the one end of first pressure sensor (16).
7. The compressive strength test equipment for manufacturing the polycrystalline silicon solar cell according to claim 6, wherein the compressive strength test equipment comprises: the inside wall of sealed lid (13) bonds and has sealing washer (18), the holding tank with sealing washer (18) looks adaptation is seted up to the upper surface of base (1), the buckle groove with main buckle (5) and vice buckle (6) looks adaptation is all seted up to the opposite side of base (1) upper surface and one side of sealed lid (13) upper surface, one side of sealed lid (13) upper surface is provided with first pressure display (19), first pressure display (19) are connected with first pressure sensor (16) electricity.
8. The compressive strength test equipment for manufacturing the polycrystalline silicon solar cell according to claim 1, wherein the compressive strength test equipment comprises: the air pressure testing component comprises a second pressure sensor (20) and an air pressure adjusting seat (21) fixedly connected to the top of the second pressure sensor (20), an air flow cavity (22) is formed in the air pressure adjusting seat (21), an air flow hole (23) is formed in the upper surface of the air pressure adjusting seat (21), the air flow cavity (22) is communicated with the air flow hole (23), and the second pressure sensor (20) is fixedly connected to the inner bottom wall of the testing cavity (3) through bolts.
9. The compressive strength test equipment for manufacturing the polycrystalline silicon solar cell according to claim 8, wherein: the side intercommunication of air current cavity (22) is provided with air supply pipe (24), the one end of air supply pipe (24) is provided with negative pressure joint (25), negative pressure joint (25) fixed connection is in the side of base (1), one side fixedly connected with malleation joint (26) that base (1) is close to negative pressure joint (25), malleation joint (26) are linked together with test cavity (3), the back of base (1) is provided with second pressure display (29), second pressure display (29) are connected with second pressure sensor (20) electricity.
10. The compressive strength test equipment for manufacturing the polycrystalline silicon solar cell according to claim 1, wherein: one side fixedly connected with of base (1) upper surface and articulated seat (27) of back shaft (14) looks adaptation, back shaft (14) rotatable coupling is at the inside wall of articulated seat (27), the both sides of back shaft (14) outer wall all are equipped with torsion spring (28), torsion spring (28) peg graft respectively in the inner wall of sealed lid (13) and the outer wall of articulated seat (27).
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| CN115060587B (en) | 2022-11-11 |
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