CN221686109U - Photovoltaic cell piece bending resistance endurance test device - Google Patents

Abstract

The utility model relates to the technical field of battery cell testing, and discloses a photovoltaic battery cell anti-bending durability testing device, comprising a base, a control panel is arranged on the right side of the front side of the base, a fixing frame is installed on the top of the base, the top of the fixing frame is fixedly connected with a testing cylinder, the bottom of the testing cylinder is fixedly connected with a lifting plate, the bottom of the lifting plate is fixedly connected with a detector, the bottom of the detector is fixedly connected with the top of a top fixing frame, the bottom of the detector is installed with a top fixing frame, the inner side of the top fixing frame is installed with a pressing assembly, the inner side of the bottom fixing frame is connected with a supporting frame, by providing the supporting frame and the pressing plate, when the handle block is rotated clockwise, the two pressing plates move away from each other, and when the handle block is rotated counterclockwise, the two pressing plates move closer to each other, and the positions of the two supporting frames can be adjusted along the adjusting groove, so that it can be adapted to batteries of different sizes, thereby improving the practicability of the device.

Description

Photovoltaic cell bending resistance durability testing device

Technical Field

The utility model relates to the technical field of battery cell testing, and more specifically to a photovoltaic battery cell anti-bending durability testing device.

Background Art

The cell bending durability test is usually used to evaluate the mechanical properties, structural strength and service life of the cell in practical applications. The basic steps of the bending durability test include:

Set test parameters: determine the test parameters such as loading method, loading rate, loading times, etc., and set them according to standards or relevant specifications.

Applying load: Based on the test parameters, appropriate force or pressure is applied to the cell to cause it to bend.

Test result analysis: According to the test data and standard requirements, the battery cells are analyzed, including calculation of bending stress, bending deformation, fatigue life and other indicators.

However, battery cells come in different sizes, and the support and pressing devices of the test device cannot support and press battery cells of different sizes well, resulting in errors in the test results and poor adaptability. Secondly, battery cells are prone to breakage during the test, and the fragments are generally thin and difficult to clean up when they fall to the ground.

Summary of the invention

In order to overcome the above-mentioned defects of the prior art, the utility model provides a photovoltaic cell anti-bending durability testing device to solve the problems existing in the above-mentioned background technology.

The utility model provides the following technical solutions: a photovoltaic cell anti-bending durability testing device, comprising a base, a control panel is arranged on the right side of the front side of the base, a fixing frame is installed on the top of the base, a test cylinder is fixedly connected to the top of the fixing frame, a lifting plate is fixedly connected to the bottom of the test cylinder, a detector is fixedly connected to the bottom of the lifting plate, a bottom of the detector is fixedly connected to the top of a top fixing frame, a transmission line is installed on the outside of the detector, a top fixing frame is installed on the bottom of the detector, a pressing assembly is installed on the inside of the top fixing frame, a bottom fixing frame is installed in the middle of the top of the base, and a support frame is connected to the inside of the bottom fixing frame;

A screw rod is movably sleeved on the inner side of the top fixed frame, a handle block is fixedly connected to the right side of the screw rod, the pressing assembly includes a movable block, the movable block is movably sleeved on the screw rod, a connecting block is fixedly connected to the bottom of the movable block, a groove frame is fixedly connected to the bottom of the connecting block, a pressing plate is movably sleeved on the bottom inside the groove frame, and a fixing bolt is threadedly sleeved on the side of the groove frame.

Furthermore, T-shaped slots are provided on both sides of the inner side of the fixing frame, and both sides of the lifting plate are fixedly connected with limiting blocks, and the limiting blocks and the T-shaped slots are adapted to each other.

Furthermore, a first thread and a second thread are respectively provided on the left and right sides of the outer side of the screw rod, the thread directions of the first thread and the second thread are opposite, and the first thread and the second thread are both threadably sleeved with the movable block.

Furthermore, an adjustment groove is provided at the top of the bottom fixing frame, and the adjustment groove and the support frame are adapted to each other. A rectangular through groove is provided at the top of the front side of the bottom fixing frame, and a plurality of threaded holes are provided at the top of the back side of the bottom fixing frame. A threaded rod is movably sleeved on the inner side of the rectangular through groove, and the threaded rod is movably sleeved on the support frame. The back side of the outer side of the threaded rod is threadedly sleeved on the threaded hole, and a fixing plate is fixedly connected to the outer side of the threaded rod.

Furthermore, a second scale is provided on the front side of the bottom fixing frame, and a first scale is provided on the front side of the top fixing frame.

Furthermore, a collection frame is fixedly connected to the outer side of the base, and a movable door is installed on the right side of the collection frame.

Technical effects and advantages of the utility model:

The utility model is provided with a support frame and a pressing plate. When the handle block is rotated clockwise, the two pressing plates move away from each other, and when the handle block is rotated counterclockwise, the two pressing plates move closer to each other. The positions of the two support frames can be adjusted along the adjustment groove, so that they can be adapted to batteries of different sizes, thereby improving the practicability of the device.

The utility model is provided with a collection frame, which can collect broken battery sheets to prevent the fragments from falling on the ground and being difficult to clean up. The broken battery sheets can be discharged by opening the movable door, which is convenient for centralized treatment.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the overall structure of the utility model.

FIG. 2 is a schematic diagram of the lifting plate structure of the present invention.

FIG3 is a schematic diagram of the detector structure of the present invention.

FIG. 4 is a schematic diagram of the structure of the pressing plate of the present invention.

FIG. 5 is a schematic diagram of the support structure of the utility model.

The accompanying drawings are marked as follows: 1. base; 101. control panel; 2. fixing frame; 201. test cylinder; 202. lifting plate; 203. T-slot; 204. limit block; 205. detector; 206. transmission line; 3. top fixing frame; 301. screw rod; 311. first thread; 312. second thread; 302. handle block; 303. first scale; 4. pressing assembly; 401. movable block; 402. connecting block; 403. slot frame; 404. pressing plate; 405. fixing bolt; 5. bottom fixing frame; 501. adjusting slot; 502. rectangular through slot; 503. second scale; 504. threaded rod; 505. fixing plate; 6. support frame; 7. collecting frame; 701. movable door.

Implementation

The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative. The photovoltaic cell anti-bending durability testing device involved in the present invention is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

1 to 5 , the utility model provides a photovoltaic cell anti-bending durability test device, comprising a base 1, a control panel 101 is arranged on the right side of the front of the base 1, a fixing frame 2 is installed on the top of the base 1, a test cylinder 201 is fixedly connected to the top of the fixing frame 2, a lifting plate 202 is fixedly connected to the bottom of the test cylinder 201, a detector 205 is fixedly connected to the bottom of the lifting plate 202, a bottom of the detector 205 is fixedly connected to the top of a top fixing frame 3, a transmission line 206 is installed on the outside of the detector 205, a top fixing frame 3 is installed on the bottom of the detector 205, a pressing assembly 4 is installed on the inner side of the top fixing frame 3, a bottom fixing frame 5 is installed in the middle of the top of the base 1, and a support frame 6 is connected to the inner side of the bottom fixing frame 5;

A screw rod 301 is movably sleeved on the inner side of the top fixed frame 3, and a handle block 302 is fixedly connected to the right side of the screw rod 301. The pressing assembly 4 includes a movable block 401, which is movably sleeved with the screw rod 301, and a connecting block 402 is fixedly connected to the bottom of the movable block 401. A groove frame 403 is fixedly connected to the bottom of the connecting block 402, and a pressing plate 404 is movably sleeved on the bottom inside the groove frame 403, and a fixing bolt 405 is threadedly sleeved on the side of the groove frame 403.

In the embodiment of the present application, the detector 205 is a prior art and will not be described in detail in the present application. When the battery cell needs to be tested, the battery cell is first placed on the top of the support frame 6, and the test cylinder 201 is started through the control panel 101 to push the lifting plate 202 to move vertically downward, thereby moving the pressing plate 404 downward. The battery cell is pressed, and the pressure is detected by the detector 205 and transmitted to the analysis and display device through the transmission line 206, thereby completing the test of the bending resistance durability of the battery cell. When it is necessary to test battery cells of different sizes, the threaded rod 504 is rotated to separate the threaded rod 504 from the threaded hole, and then the support frame 6 is moved horizontally. The distance and position between the two support frames 6 can be judged by the second scale 503, and then the threaded rod 504 is fixed on the inner side of the threaded hole. The fixed plate 505 squeezes and fixes the support frame 6 to complete the adjustment of the support frame 6. When the handle block 302 is rotated clockwise, the two pressing plates 404 move away from each other. When the handle block 302 is rotated counterclockwise, the two pressing plates 404 move closer to each other, and the distance between the two pressing plates 404 is judged by the first scale 303. In the process of battery cell testing, battery cells are often broken. The broken battery cells can be collected by the collection frame 7, and the broken battery cells can be discharged by opening the movable door 701 for centralized processing.

In a preferred embodiment, T-slots 203 are provided on both sides of the inner side of the fixing frame 2, and limiting blocks 204 are fixedly connected to both sides of the lifting plate 202. The limiting blocks 204 and the T-slots 203 are adapted to each other. Through the cooperation between the limiting blocks 204 and the T-slots 203, the lifting plate 202 can be limited, so that the pressing plate 404 can always remain horizontal when it is lifted or lowered.

In a preferred embodiment, a first thread 311 and a second thread 312 are respectively provided on the left and right sides of the outer side of the screw rod 301, and the thread directions of the first thread 311 and the second thread 312 are opposite. The first thread 311 and the second thread 312 are both threadedly connected with the movable block 401. When the handle block 302 is rotated clockwise, the two pressing plates 404 move away from each other. When the handle block 302 is rotated counterclockwise, the two pressing plates 404 move closer to each other, thereby being able to adapt to battery cells of different sizes.

In a preferred embodiment, an adjustment groove 501 is provided at the top of the bottom fixing frame 5, and the adjustment groove 501 is adapted to the support frame 6. A rectangular through groove 502 is provided at the top of the front side of the bottom fixing frame 5, and a plurality of threaded holes are provided at the top of the back side of the bottom fixing frame 5. A threaded rod 504 is movably sleeved on the inner side of the rectangular through groove 502, and the threaded rod 504 is movably sleeved on the support frame 6. The back side of the outer side of the threaded rod 504 is threadedly sleeved on the threaded hole, and a fixing plate 505 is fixedly connected to the outer side of the threaded rod 504. When the threaded rod 504 is tightened, the threaded rod 504 moves toward the back side, so that the fixing plate 505 presses and fixes the support frame 6.

In a preferred embodiment, a second scale 503 is provided on the front of the bottom fixed frame 5, and a first scale 303 is provided on the front of the top fixed frame 3. The second scale 503 and the first scale 303 are used to facilitate judgment of the distance between the two support frames 6 or the pressing plates 404.

In a preferred embodiment, a collection frame 7 is fixedly connected to the outer side of the base 1, and a movable door 701 is installed on the right side of the collection frame 7. The broken battery cells can be collected through the collection frame 7, and the broken battery cells can be discharged by opening the movable door 701, which is convenient for centralized processing.

Working principle of the utility model: when the battery cell needs to be tested, the battery cell is first placed on the top of the support frame 6, and the test cylinder 201 is started through the control panel 101 to push the lifting plate 202 to move vertically downward, so that the pressing plate 404 moves downward. The battery cell is pressed, and the pressure is detected by the detector 205 and transmitted to the analysis and display device through the transmission line 206, thereby completing the test of the bending resistance durability of the battery cell. When it is necessary to test battery cells of different sizes, the threaded rod 504 is rotated to separate the threaded rod 504 from the threaded hole, and then the support frame 6 is moved horizontally. The distance and position between the two support frames 6 can be judged by the second scale 503, and then the threaded rod 504 is fixed on the inner side of the threaded hole. The fixed plate 505 squeezes and fixes the support frame 6 to complete the adjustment of the support frame 6. When the handle block 302 is rotated clockwise, the two pressing plates 404 move away from each other. When the handle block 302 is rotated counterclockwise, the two pressing plates 404 move closer to each other, and the distance between the two pressing plates 404 is judged by the first scale 303. In the process of battery cell testing, battery cells are often broken. The broken battery cells can be collected by the collection frame 7, and the broken battery cells can be discharged by opening the movable door 701 for centralized processing.

Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. The utility model provides a photovoltaic cell piece bending resistance endurance test device, includes base (1), its characterized in that: the right side of the front of the base (1) is provided with a control panel (101), the top of the base (1) is provided with a fixing frame (2), the top of the fixing frame (2) is fixedly connected with a test cylinder (201), the bottom of the test cylinder (201) is fixedly connected with a lifting plate (202), the bottom of the lifting plate (202) is fixedly connected with a detector (205), the bottom of the detector (205) is fixedly connected with the top of a top fixing frame (3), the outer side of the detector (205) is provided with a transmission line (206), the bottom of the detector (205) is provided with a top fixing frame (3), the inner side of the top fixing frame (3) is provided with a pressing component (4), the middle of the top of the base (1) is provided with a bottom fixing frame (5), and the inner side of the bottom fixing frame (5) is connected with a supporting frame (6);

the inside activity of top fixed frame (3) has cup jointed lead screw (301), the right side fixedly connected with handle piece (302) of lead screw (301), press subassembly (4) including movable block (401), movable block (401) cup joints with lead screw (301) activity, the bottom fixedly connected with connecting block (402) of movable block (401), the bottom fixedly connected with cell frame (403) of connecting block (402), pressing plate (404) has been cup jointed in the bottom activity of cell frame (403) inboard, fixing bolt (405) have been cup jointed to the side screw thread of cell frame (403).

2. The device for testing the bending durability of the photovoltaic cell according to claim 1, wherein: t-shaped grooves (203) are formed in two sides of the inner side of the fixing frame (2), limiting blocks (204) are fixedly connected to two sides of the lifting plate (202), and the limiting blocks (204) are mutually matched with the T-shaped grooves (203).

3. The device for testing the bending durability of the photovoltaic cell according to claim 1, wherein: the left side and the right side in the outer side of the screw rod (301) are respectively provided with a first thread (311) and a second thread (312), the thread directions of the first thread (311) and the second thread (312) are opposite, and the first thread (311) and the second thread (312) are in threaded sleeve joint with the movable block (401).

4. The device for testing the bending durability of the photovoltaic cell according to claim 1, wherein: the utility model discloses a fixed frame of bottom, including fixed frame (5) of bottom, adjusting groove (501) has been seted up at the top of fixed frame of bottom (5), adjusting groove (501) and support frame (6) looks adaptation each other, rectangular logical groove (502) have all been seted up at the positive top of fixed frame of bottom (5), a plurality of screw holes have been seted up at the top at the bottom fixed frame (5) back, threaded rod (504) have been cup jointed in the inboard activity of rectangular logical groove (502), threaded rod (504) cup joints with support frame (6) activity, the back and the screw hole screw thread in the threaded rod (504) outside cup joint, the outside fixedly connected with stationary blade (505) of threaded rod (504).

5. The device for testing the bending durability of the photovoltaic cell according to claim 1, wherein: the front face of the bottom fixing frame (5) is provided with a second scale (503), and the front face of the top fixing frame (3) is provided with a first scale (303).

6. The device for testing the bending durability of the photovoltaic cell according to claim 1, wherein: the outer side of the base (1) is fixedly connected with a collecting frame (7), and a movable door (701) is arranged on the right side of the collecting frame (7).