CN213279589U

CN213279589U - Transmissivity testing device

Info

Publication number: CN213279589U
Application number: CN202022341969.9U
Authority: CN
Inventors: 李景; 李兵; 李硕; 邓伟伟
Original assignee: Jiaxing Atlas Photovoltaic Technology Co Ltd
Current assignee: Jiaxing Canadian Solar Technology Research Institute
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-05-25
Anticipated expiration: 2030-10-20

Abstract

The utility model belongs to the technical field of battery testing devices, in particular to a transmissivity testing device, which comprises a base, a testing platform, an adjusting device, a detector and a testing light source; the test bench is movably connected to the base and comprises a sample bearing platform, and the sample bearing platform is provided with an observation hole penetrating through the upper surface and the lower surface of the sample bearing platform; the adjusting device is arranged on the base and can adjust the position of the test board on the base; the detector is fixed in on the base and is located the below of inspection hole, and the test light source is located the top of testboard and aligns the detector. The transmissivity testing device of the utility model can adjust the position of the test platform for bearing the sample relative to the detector through the adjusting device, the detector does not move along with the test platform, and the requirements of the transmissivity of the test sample at different positions are met; and the test board moving mode avoids various adverse effects caused by manual direct movement of the battery piece, and the test result is accurate.

Description

Transmissivity testing device

Technical Field

The utility model relates to a battery testing arrangement technical field especially relates to a transmissivity testing arrangement.

Background

The photoelectric conversion efficiency of a solar cell is related to its optical performance, and the ability of the solar cell to generate electron-hole pairs varies under the same irradiance conditions. The transmittance of the cell is closely related to the thickness of the cell and the back surface coating process, which affect the photoelectric conversion efficiency of the cell. The transmissivity is an indispensable consideration for current loss analysis, and an experimenter can generally analyze the back surface film structure and debug the coating process by testing the transmissivity of the cell; meanwhile, the transmittance of the light-transmitting glass and the EVA on the surface of the battery module also directly affects the conversion efficiency of the battery module. In order to more accurately obtain the transmittance data of the whole material, the same multi-point test is often needed, and the current test platform is only suitable for the same one-point (central point) test and has certain limitation.

The detector of the prior testing platform for receiving the transmitted light signal is fixedly integrated in the sample platform, the position of the detector can be moved by the movement of the sample platform, and the position of the light source is not changed all the time, so that the measurable position of the sample is limited, generally, only the central position of the sample can be measured, the edge or other positions of the sample are difficult to be measured, and the integral transmissivity of the sample or the transmissivity of a specified point is not easy to analyze. If the position of the battery piece on the test platform is moved by hands of an operator, the manual adjustment of the size is rough, and the battery piece is adversely affected due to contact; in addition, when the position of the edge of the battery piece is observed, the position of the battery piece is not matched with the observation hole, so that the light source directly penetrates through the observation hole to enter the detector, and the test result is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a transmissivity testing arrangement can satisfy the requirement of the different positions transmissivity of test sample.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a transmissivity testing arrangement, include:

a base;

the test bench is movably connected to the base and comprises a sample bearing platform, and the sample bearing platform is provided with an observation hole penetrating through the upper surface and the lower surface of the sample bearing platform;

the adjusting device is arranged on the base and can adjust the position of the test bench on the base;

the detector is fixed on the base and is positioned below the observation hole;

and the test light source is positioned above the test bench and is aligned to the detector.

As the utility model discloses a preferred structure, adjusting device includes first slip table and second slip table, the testboard is fixed in on the first slip table, first slip table along first direction sliding connection in on the second slip table, the second slip table along second direction sliding connection in on the base.

As a preferred structure of the utility model, first slip table has first slider, the second slip table has the edge the first spout that the first direction extends, first slider sliding connection in the first spout.

As a preferred structure of the utility model, the second slip table has the second slider, the base has the edge the second direction extends the second spout, second slider sliding connection in the second spout.

As a preferred structure of the utility model, adjusting device still includes accommodate the lead screw, accommodate the lead screw includes first lead screw, first lead screw is used for the drive first slip table is followed the first direction removes.

As an optimized structure of the utility model, accommodate the lead screw still includes the second lead screw, the second lead screw is used for the drive the second slip table is followed the second direction removes.

As a preferred structure of the present invention, the adjusting device further includes a first adjusting bracket, the first adjusting bracket is fixed to the second sliding table, and the first adjusting bracket has a first sleeve; the first sleeve is provided with an internal thread, the first screw rod is provided with an external thread, the first screw rod is connected in the first sleeve in a threaded mode, and the end portion of the first screw rod is abutted to the first sliding block.

As a preferred structure of the present invention, the adjusting device further comprises a second adjusting bracket fixed to the base, the second adjusting bracket having a second sleeve; the second sleeve is provided with an internal thread, the second screw rod is provided with an external thread, the second screw rod is connected in the second sleeve in a threaded mode, and the end portion of the second screw rod is abutted to the second sliding block.

As a preferred structure of the present invention, the adjusting device further includes a first elastic member, the first elastic member is disposed along the extending direction of the first sliding groove, and is connected to the first slider, the first elastic member is configured to make the first slider always support tightly the first lead screw.

As a preferred structure of the present invention, the adjusting device further includes a second elastic member, the second elastic member is disposed along the extending direction of the second sliding groove, and is connected to the second slider, the second elastic member is configured to make the second slider always abut against the second lead screw.

The utility model has the advantages that: the utility model provides a transmissivity testing arrangement, detector are fixed in on the base, and the test light source aims at the detector all the time, can adjust the position relative to the detector of the testboard that bears the weight of the sample through adjusting device, and the detector does not move along with the testboard, satisfies the requirement of the different position transmissivity of test sample; and the test board moving mode avoids various adverse effects caused by manual direct movement of the battery piece, and the test result is accurate.

Drawings

Fig. 1 is a schematic structural diagram of a transmittance testing apparatus according to an embodiment of the present invention;

fig. 2 is a schematic view of the operating state of fig. 1.

In the figure:

1. a base;

2. a test bench; 21. a sample carrier; 211. an observation hole;

3. an adjustment device; 31. adjusting the screw rod; 311. a first lead screw; 312. a second lead screw; 32. a first sliding table; 33. a second sliding table; 34. a first adjustment bracket; 341. a first sleeve; 35. a second adjustment bracket; 351. a second sleeve;

4. a detector;

5. a light source;

6. and (3) sampling.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

As shown in fig. 1 and fig. 2, an embodiment of the present invention provides a transmittance testing apparatus, which includes a base 1, a testing platform 2, an adjusting device 3, a detector 4 and a testing light source 5. The base 1 provides a working platform for the test of the sample 6, and the test bench 2 is movably connected to the base 1. The test platform 2 comprises a sample bearing platform 21, the sample bearing platform 21 is provided with an observation hole 211 penetrating through the upper surface and the lower surface of the sample bearing platform, the sample battery piece is placed above the observation hole 211, and preferably, a sample limiting device can be arranged on the sample bearing platform 21. In the present embodiment, the observation hole 211 is a circular hole, the sample 6 is a square battery piece, and the sample 6 can completely cover the observation hole 211. In other embodiments, other shapes of the viewing aperture 211 may be used depending on the appearance of the sample 6. Adjusting device 3 sets up on base 1, through the position of adjusting device 3 adjustable testboard 2 on base 1. The detector 4 is fixed on the base 1, and the detector 4 is positioned below the observation hole 211. The test light source 5 is positioned above the test board 2, and the test light source 5 is fixed and aligned with the detector 4; preferably, the line connecting the test light source 5 and the detector 4 is perpendicular to the plane of the sample holder 21.

In use of the test platform, as shown in fig. 2, sample 6 is placed over the viewing aperture 211. In the initial position, the detector 4 is positioned directly below the observation hole 211. According to the requirement of observing different positions of the sample 6, the position of the test platform 2 on the base 1 can be adjusted through the adjusting device 3, so that different positions of the sample 6 are aligned with the detector 4 below the sample bearing platform 21, and the test is completed.

Further, the adjusting device 3 includes a first sliding table 32 and a second sliding table 33, the first sliding table 32 is slidably connected to the second sliding table 33, and the test table 2 is fixed on the first sliding table 32. The first sliding table 32 has a first sliding block, the second sliding table 33 has a first sliding groove, the first sliding groove extends along the width direction of the base 1, and the first sliding block is slidably connected in the first sliding groove. The width direction of the base 1 is set to be the first direction, and when the first sliding table 32 slides along the width direction of the base 1 relative to the second sliding table 33, the test table 2 above can be driven to move simultaneously. Preferably, the first sliding block is located on the lower surface of the first sliding table 32, the first sliding chute is located on the upper surface of the second sliding table 33, and in order to limit the moving range of the first sliding table 32, the two ends of the first sliding chute are provided with first end walls.

Further, the second sliding table 33 has a second sliding block, the base 1 has a second sliding groove, the second sliding groove extends along the length direction of the base 1, and the second sliding block is slidably connected in the second sliding groove. The length direction of the base 1 is set to be the second direction, and when the second sliding table 33 slides along the length direction of the base 1 relative to the base 1, the first sliding table 32 and the test table 2 above the second sliding table 33 can be driven to move simultaneously. Preferably, the second sliding block is located on the lower surface of the second sliding table 32, the second sliding chute is located on the upper surface of the base 1, and in order to limit the moving range of the second sliding table 33, the two ends of the second sliding chute are provided with second end walls.

Further, the adjusting device 3 further includes an adjusting screw 31, the adjusting screw 31 includes a first screw 311 and a second screw 312, and the first screw 311 is perpendicular to the second screw 312. The first screw 311 is used for driving the first sliding table 32 to move along the width direction of the base 1, and the second screw 312 is used for driving the second sliding table 33 to move along the length direction of the base 1.

Further, the adjusting device 3 further includes a first adjusting bracket 34, the first adjusting bracket 34 is fixed on the second sliding table 33, and the first adjusting bracket 34 has a first sleeve 341; the first sleeve 341 has an internal thread, the first lead screw 311 has an external thread, the first lead screw 311 is connected in the first sleeve 341 in a threaded manner, the first lead screw 311 extends in the first sliding groove of the second sliding table 32 through the first end wall, and the end part abuts against the first sliding block. The first screw rod 311 is rotated to be screwed into the first sleeve 341, and the first screw rod 311 can push the first sliding block to slide in the first sliding groove, so that the first sliding table 32 can drive the test platform 2 to move along the width direction of the base 1.

Further, the adjusting device 3 further comprises a second adjusting bracket 35, the second adjusting bracket 35 is fixed on the base 1, the second adjusting bracket 35 has a second sleeve 351, the second sleeve 351 also has internal threads, the second lead screw 312 also has external threads, the second lead screw 312 is connected in the second sleeve 351 in a threaded manner, the second lead screw 312 extends in a second sliding groove of the base 1 through a second end wall, and the end part of the second lead screw abuts against the second sliding block. The second screw 312 is rotated to be screwed into the second sleeve 351, and the second screw 312 can push the second slider to slide in the second sliding groove, so that the second sliding table 33 drives the first sliding table 32 and the test table 2 to move along the length direction of the base 1. The moving distance of the test bench 2 can be accurately adjusted by using a screw thread matching mode of the screw rod and the sleeve, preferably, the sliding displacement of the test bench 2 when the screw rod rotates for one circle is set according to the requirement of testing the battery piece, and the diameter and the thread parameters of the screw rod can be selectively designed.

Further, the adjusting device 3 further includes a first elastic member, the first elastic member is disposed along the extending direction of the first sliding groove and connected to the first sliding block, and the first elastic member is configured to make the first sliding block always abut against the first lead screw 311. In this embodiment, the first elastic element may be a compression spring, and the compression spring is disposed at one end of the first sliding chute far away from the first lead screw 311 and is located between the first end wall and the first slider; when the first screw 311 is screwed into the first sleeve 341 to push the first slider to slide along the first sliding groove, the pressure spring is compressed; when the first screw 311 is screwed out of the first sleeve 341, the elastic restoring force of the pressure spring pushes the first slider to slide along the same direction as the first screw 311 and to be always abutted to the first screw 311. Or the first elastic element can also use a tension spring which is arranged in the first chute and is positioned on the same side of the first slide block with the first screw rod 311 in parallel; when the first screw 311 is screwed into the first sleeve 341 to push the first slider to slide along the first sliding groove, the tension spring is stretched; when the first screw 311 is screwed out of the first sleeve 341, the tension spring generates elastic reset to pull the first slider to slide along the same direction as the first screw 311 and always abut against the first screw 311.

Further, the adjusting device 3 further includes a second elastic member, the second elastic member is disposed along the extending direction of the second sliding groove and connected to the second sliding block, and the second elastic member is configured to make the second sliding block always abut against the second lead screw 312. In this embodiment, the second elastic element may also be a compression spring, the compression spring is disposed at an end of the second sliding slot far from the second lead screw 312 and between the second end wall and the second slider, and when the second lead screw 312 is screwed into the second sleeve 351 to push the second slider to slide along the second sliding slot, the compression spring is compressed; when the second screw 312 is screwed out of the second sleeve 351, the elastic restoring force of the pressure spring pushes the second slider to slide along the same direction as the second screw 312 and to be always abutted to the second screw 312. Or the second elastic element can also use a tension spring which is arranged in the second chute and is arranged at the same side of the second slide block with the second screw rod 312 in parallel; when the second screw 312 is screwed into the second sleeve 351 to push the second slider to slide along the second sliding chute, the tension spring is stretched; when the second screw 312 is screwed out of the second sleeve 351, the tension spring generates elastic reset to pull the second slider to slide along the same direction with the second screw 312 and always abut against the second screw 312.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A transmissivity testing apparatus, comprising:

a base (1);

the test bench (2) is movably connected to the base (1), the test bench (2) comprises a sample bearing platform (21), and the sample bearing platform (21) is provided with an observation hole (211) penetrating through the upper surface and the lower surface of the sample bearing platform;

the adjusting device (3) is arranged on the base (1), and the adjusting device (3) can adjust the position of the test bench (2) on the base (1);

the detector (4) is fixed on the base (1), and the detector (4) is positioned below the observation hole (211);

the test light source (5) is located above the test bench (2), and the test light source (5) is aligned to the detector (4).

2. The transmissivity testing device according to claim 1, wherein the adjusting device (3) comprises a first sliding table (32) and a second sliding table (33), the testing table (2) is fixed on the first sliding table (32), the first sliding table (32) is slidably connected on the second sliding table (33) along a first direction, and the second sliding table (33) is slidably connected on the base (1) along a second direction.

3. The transmissivity testing apparatus according to claim 2, wherein the first slide table (32) has a first slider, the second slide table (33) has a first slide groove extending in the first direction, and the first slider is slidably coupled in the first slide groove.

4. The transmissivity testing device according to claim 3, wherein the second sliding table (33) has a second sliding block, the base (1) has a second sliding groove extending in the second direction, and the second sliding block is slidably connected in the second sliding groove.

5. The transmissivity testing device according to claim 4, wherein the adjusting device (3) further comprises an adjusting screw (31), the adjusting screw (31) comprises a first screw (311), and the first screw (311) is used for driving the first sliding table (32) to move along the first direction.

6. The transmissivity testing apparatus of claim 5, wherein the adjustment screw (31) further comprises a second screw (312), and the second screw (312) is used for driving the second sliding table (33) to move along the second direction.

7. The transmissivity testing device according to claim 5, wherein the adjusting device (3) further comprises a first adjusting bracket (34), the first adjusting bracket (34) is fixed on the second sliding table (33), and the first adjusting bracket (34) is provided with a first sleeve (341); the first sleeve (341) is provided with internal threads, the first screw rod (311) is provided with external threads, the first screw rod (311) is connected in the first sleeve (341) in a threaded mode, and the end portion of the first screw rod (311) abuts against the first sliding block.

8. Transmissivity testing device according to claim 6, characterized in that the adjusting device (3) further comprises a second adjusting bracket (35), the second adjusting bracket (35) being fixed to the base (1), the second adjusting bracket (35) having a second sleeve (351); the second sleeve (351) is provided with internal threads, the second screw rod (312) is provided with external threads, the second screw rod (312) is connected in the second sleeve (351) in a threaded mode, and the end portion of the second screw rod (312) abuts against the second sliding block.

9. The transmissivity testing device according to claim 7, wherein the adjusting device (3) further comprises a first elastic member disposed along an extending direction of the first sliding groove and connected to the first slider, the first elastic member being configured to make the first slider always abut against the first lead screw (311).

10. The transmissivity testing device according to claim 8, wherein the adjusting device (3) further comprises a second elastic member disposed along an extending direction of the second sliding groove and connected to the second slider, the second elastic member being configured to make the second slider always abut against the second lead screw (312).