CN220556418U - An integrated device for laser scribing and spectrum testing - Google Patents

Abstract

The utility model discloses an integrated device for laser scribing and spectrum testing, which comprises: the laser scribing mechanism is used for emitting laser and carrying out laser scribing on the sample through the laser; a spectrum testing mechanism for obtaining a fluorescence spectrum of the laser light passing through the sample; the laser beam on-off mechanism is arranged on a light path between the laser scribing mechanism and the spectrum testing mechanism so as to control the laser entering the spectrum testing mechanism to cut off or pass through. Compared with the prior art, the integrated device for laser scribing and spectrum testing disclosed by the utility model not only can realize two functions of laser scribing and spectrum testing, but also can effectively reduce possible damages of spectrum testing to the battery piece because the battery piece is not required to be carried back and forth.

Description

An integrated device for laser scribing and spectrum testing

Technical field

The utility model relates to the technical field of solar cells, and in particular to an integrated device for laser scribing and spectrum testing.

Background technique

Currently, the open-circuit voltage of a single perovskite solar cell is 1V to 1.2V. If perovskite solar cells are connected to the grid to generate electricity, the perovskite solar cells must be connected in series to form components, and the perovskite solar cells must be connected in series. The structural components require a laser scribing process. Specifically, in the manufacturing of perovskite solar cell components, it is necessary to go through the P1, P2 and P3 scribing steps respectively to form a series structure of the cells.

In the process of preparing perovskite solar cell modules, it is necessary to conduct a fluorescence spectrum test on the scribed cells to detect the qualification rate of the scribed cells. The current common practice is to send the cells to professional testing institutions for testing, which is not only time-consuming and labor-intensive, but also requires cutting for large-area perovskite solar cell modules, resulting in a waste of resources. Due to the back and forth transportation, the entire testing process may cause damage to the cells. Damage to battery cells.

Therefore, how to realize the two functions of laser scribing and spectrum testing while also reducing the possible damage caused by spectrum testing to the battery cells is a technical problem that those skilled in the art urgently need to solve.

Utility model content

In view of this, the purpose of this utility model is to provide an integrated device for laser scribing and spectrum testing, which can not only realize the two functions of laser scribing and spectrum testing, but also reduce the possible impact of spectrum testing on the cell structure and materials. destroy.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

An integrated device for laser scribing and spectrum testing, including:

A laser scribing mechanism is used to emit laser and laser scribe the sample through the laser;

Spectrum testing mechanism, used to obtain the fluorescence spectrum of the laser that passes through the sample;

A laser beam on-off mechanism is provided on the optical path between the laser scribing mechanism and the spectrum testing mechanism to control the laser beam entering the spectrum testing mechanism to cut off or pass through.

Optionally, the spectrum testing mechanism includes a fluorescence spectrometer and a detector.

Optionally, the laser beam on-off mechanism includes a shielding plate body and a shielding piece. The shielding plate body is provided with a light-transmitting hole. The shielding piece can be opened and closed at the light-transmitting hole to control the laser beam. The light-transmitting hole is opened or closed;

The laser is aligned with the light-transmitting hole, and the laser can enter the spectrum testing mechanism through the light-transmitting hole.

Optionally, the laser scribing mechanism includes:

Sample placement platform for placing samples;

A sample fixing component is used to fix the sample, and the position of the sample fixing component can be adjusted to fix the samples of different sizes;

A laser reflection component is used to emit laser light and introduce the laser light onto the sample placement platform to set up an optical path for completing laser scribing.

Optionally, there are at least two sample fixing components, and at least two sample fixing components are arranged oppositely on both sides of the sample placement platform to fix the sample.

Optionally, the sample fixing assembly includes a fixing main plate and a fixing rod provided on the fixing main plate. The fixing rod can move along the first direction and the second direction to adapt to the samples of different sizes.

Optionally, the fixed rod at least includes a fixed section and a telescopic section, the fixed section is connected to the fixed main plate, and the telescopic section can extend to the sample placement platform along the first direction to connect with the sample placement platform. samples are in contact.

Optionally, a slide rail is provided on the fixed main board, and a slide block is provided on the fixed rod to cooperate with the slide rail. The fixed rod can move on the slide rail along the second direction. Slide back and forth.

Optionally, the sample fixing assembly further includes a driving part and a locking part, the driving part can drive the fixing rod to move in the second direction, and the locking part is provided on the fixing main plate to Lock the fixed rod after positioning.

Optionally, the laser reflection component at least includes a laser, a lens, a light attenuator and a reflector. The laser is used to emit laser light. The lens is used to adjust the laser light into a parallel beam. The light attenuator is used to The power of the parallel beam is reduced, and the mirror is used to introduce the laser light passing through the light attenuator into the sample placement platform.

It can be seen from the above technical solution that when laser marking is performed on a sample, the action of the laser beam on-off mechanism must first be controlled so that the laser entering the spectrum testing mechanism is cut off and the laser cannot enter the spectrum testing mechanism for fluorescence spectrum testing. This The sample can be laser scribed according to the set level; when the laser scribing is completed and the fluorescence spectrum test is performed on the scribed sample, the laser beam on-off mechanism needs to be controlled to allow the laser entering the spectrum testing mechanism to pass. At this time, the fluorescence spectrum of the sample can be tested to obtain the fluorescence spectrum of the sample.

Compared with the existing technology, the integrated device of laser scribing and spectrum testing disclosed in the embodiment of the present invention can not only realize the two functions of laser scribing and spectrum testing, but also can effectively Reduce the possible damage to battery cells caused by spectrum testing.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description These are only embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on the provided drawings without exerting creative efforts.

Figure 1 is a schematic structural diagram of an integrated device for laser scribing and spectrum testing disclosed in an embodiment of the present invention.

Among them, the names of each component are as follows:

100. Sample placement platform; 200. Fixed main board; 300. Fixed rod; 400. Laser; 500. Lens; 600. Optical attenuator; 700. Reflector; 800. Spectrum testing mechanism; 900. Laser beam on-off mechanism; 1000 , light path.

Detailed ways

In view of this, the purpose of this utility model is to provide an integrated device for laser scribing and spectrum testing, which can not only realize the two functions of laser scribing and spectrum testing, but also reduce the possible damage to the battery cells caused by the spectrum testing.

In order to enable those skilled in the art to better understand the solution of the present utility model, the present utility model will be further described in detail below in conjunction with the drawings and specific embodiments.

Please refer to Figure 1. An embodiment of the present invention discloses an integrated device for laser scribing and spectrum testing, which includes a laser scribing mechanism, a spectrum testing mechanism 800 and a laser beam on-off mechanism 900, where the laser scribing mechanism is used to emit laser, and perform laser marking on the sample through the laser. The spectrum testing mechanism 800 is used to obtain the fluorescence spectrum of the laser passing through the sample. The laser beam on-off mechanism 900 is arranged on the optical path 1000 between the laser scribing mechanism and the spectrum testing mechanism. , to control the laser entering the spectrum testing mechanism 800 to be cut off or passed.

When performing laser marking on a sample, it is first necessary to control the action of the laser beam on-off mechanism 900 so that the laser entering the spectrum testing mechanism 800 is cut off, and the laser cannot enter the spectrum testing mechanism 800 for fluorescence spectrum testing. At this time, the settings can be set Laser scribing is performed on the sample to a certain extent; when the laser scribing is completed and the fluorescence spectrum is tested on the scribed sample, the action of the laser beam on-off mechanism 900 needs to be controlled to allow the laser entering the spectrum testing mechanism 800 to pass. At this time, the The sample is subjected to a fluorescence spectrum test to obtain the fluorescence spectrum of the sample.

Compared with the existing technology, the integrated device of laser scribing and spectrum testing disclosed in the embodiment of the present invention can not only realize the two functions of laser scribing and spectrum testing, but also can effectively Reduce the possible damage to the battery cells caused by the spectrum test.

The embodiment of the present utility model does not specifically limit the spectrum testing mechanism 800. As long as the structure meets the usage requirements of the present utility model, it is within the protection scope of the present utility model.

As one of the possible embodiments, the spectrum testing mechanism 800 disclosed in the embodiment of the present invention includes a fluorescence spectrometer and a detector. The fluorescence spectrometer can obtain the wavelength of the laser, and the detector can measure the light intensity of each wavelength image point. After the fluorescence spectrometer and detector are combined to test the laser, a complete fluorescence spectrum can be obtained.

The embodiments of the present utility model do not limit the specific structure of the laser beam on-off mechanism 900. As long as the structure meets the usage requirements of the present utility model, it is within the protection scope of the present utility model.

As one of the possible embodiments, the laser beam on-off mechanism 900 disclosed in the embodiment of the present invention includes a shielding plate body and a shielding piece. The shielding plate is provided with a light-transmitting hole, and the shielding piece can be opened and closed on the light-transmitting plate. hole to open or close the light-transmitting hole.

The laser is aligned with the light-transmitting hole, and the laser can enter the spectrum testing mechanism 800 through the light-transmitting hole.

When performing laser marking on the sample, it is necessary to cover the shielding sheet, block the light-transmitting hole, and cut off the laser entering the spectrum testing mechanism 800, so that the laser cannot enter the spectrum testing mechanism 800 for fluorescence spectrum testing. At this time, the settings can be set Laser scribe the sample according to the required level; when the scribing is completed and the fluorescence spectrum test is performed on the scribed sample, the shielding sheet needs to be opened so that the laser entering the spectrum testing mechanism 800 passes through the light-transmitting hole. At this time, the sample can be tested Fluorescence spectrum test can obtain the fluorescence spectrum of the sample.

The above-mentioned laser beam on-off mechanism 900 can be fixedly disposed on the optical path 1000 between the laser scribing mechanism and the spectrum testing mechanism. In this case, the laser beam can be cut off or passed by simply controlling the opening and closing of the shielding sheet.

As another possible embodiment, the laser beam on-off mechanism 900 disclosed in the embodiment of the present invention can only be provided with a baffle plate, and the baffle plate is movably disposed in the optical path 1000 between the laser scribing mechanism and the spectrum testing mechanism. On, the shielding plate is placed to cut off the laser, and the shielding plate is removed to allow the laser to pass through and enter the spectrum testing mechanism 800.

The embodiments of the present utility model do not limit the specific structure of the laser scribing mechanism. As long as the structure meets the usage requirements of the present utility model, it is within the protection scope of the present utility model.

As one of the embodiments, the integrated device for laser scribing and spectrum testing disclosed in the embodiment of the present invention includes a sample placement platform 100, a sample fixing component and a laser reflection component, where the sample placement platform 100 is used to place samples, and the samples are fixed. The component is used to fix the sample, and the position of the sample fixing component can be adjusted to fix samples of different sizes. The laser reflection component is used to emit laser and introduce the laser to the sample placement platform 100 to set up the optical path to complete the laser marking. 1000.

When laser scribing is performed, the sample needs to be placed on the sample placement platform 100, and then the position of the sample fixing component is adjusted according to the size of the sample, so that the sample fixing component can fix samples of different sizes.

The embodiments of the present utility model do not limit the specific number of sample fixing components. One sample fixing component can be provided, or two, or more than two, as long as the number that meets the usage requirements of the present utility model is protected by the present utility model. within the range.

As a preferred embodiment, there are at least two sample fixing assemblies disclosed in the embodiments of the present invention, and at least two sample fixing assemblies are arranged oppositely on both sides of the sample placement platform 100. With this arrangement, alignment can be achieved from both sides of the sample. positioning of the sample to improve the stability of sample fixation.

It should be noted that the two sample fixing components need to be set away from the optical path 1000 of the laser scribing to ensure the smooth progress of the laser scribing and spectrum testing processes.

The embodiments of the present utility model do not limit the specific structure of the sample fixing assembly. As long as the structure meets the usage requirements of the present utility model, it is within the protection scope of the present utility model.

As a preferred embodiment, the sample fixing assembly disclosed in the embodiment of the present invention includes a fixing main plate 200 and a fixing rod 300 provided on the fixing main plate 200, wherein the fixing rod 300 can move along the first direction and the second direction to adapt to Samples of different sizes can certainly be adapted to different positions of the same sample on the sample placement platform 100 .

It should be explained that, as shown in Figure 1, the first direction is the X-axis direction, and the second direction is the Y-axis direction.

Since samples have different sizes or the same sample has different positions on the sample placement platform 100, in order to effectively fix samples of different sizes, it is necessary to drive the fixing rod 300 to move along the X-axis direction and the Y-axis direction to adapt to different sizes. The samples or the same sample are at different locations on the sample placement platform 100 .

In order to drive the fixed rod 300 to move in the first direction, the fixed rod 300 disclosed in the embodiment of the present invention at least includes a fixed section and a telescopic section, wherein the fixed section is connected to the fixed main plate 200 and the telescopic section can extend to the sample along the first direction. Place on the platform 100 in contact with the sample.

Specifically, the fixed section can be a fixed sleeve, and the telescopic section can be a telescopic rod placed in the fixed sleeve, wherein the telescopic rod can extend or retract in the fixed sleeve to contact the sample and press against the sample.

More specifically, the telescopic rod can be manually operated to extend or shorten the telescopic rod, or can be electrically controlled to extend or shorten the telescopic rod.

When performing electric control, a linear motor can be used to push the telescopic rod for linear expansion and contraction.

Of course, the fixed rod 300 can also directly use a linear motor. When the fixed rod 300 is a linear motor, the motor base can be used as a fixed section connected to the fixed main board 200, and the motor rod can be used as a telescopic section to contact the sample.

Among them, the linear motor can be manually operated with buttons to control the start and stop of the linear motor, or a controller can be set up to control the start and stop of the linear motor.

In order to position the sample at multiple points, at least two fixed rods 300 disclosed in the embodiment of the present invention are provided, and each fixed rod 300 is arranged in parallel.

In order to ensure that the fixed rod 300 can slide smoothly along the second direction, the fixed mainboard 200 disclosed in the embodiment of the present invention is provided with a slide rail, and the fixed rod 300 is provided with a slide block for matching with the slide rail. The rod 300 can slide back and forth on the slide rail along the second direction (ie, the Y-axis direction).

As one possible embodiment, a slide groove can be provided on the fixed motherboard 200 and the slide rail can be disposed in the slide groove.

As another possible embodiment, a side plate perpendicular to the fixed main board 200 can also be provided, and the slide rail is provided on the side board. This arrangement makes it easier for the fixed rod 300 to slide along the slide rail.

It should be noted that the fixed rod 300 can be slid manually or driven by a driving member, and those skilled in the art can choose according to actual needs.

In order to facilitate control, the sample fixing assembly disclosed in the embodiment of the present invention also includes a driving part, wherein the fixed end of the driving part is disposed on the fixed main plate 200, and the pushing end of the driving part is connected to the fixed section of the fixed rod 300. Through the driving part Push the fixing rod 300 to slide in the second direction.

Among them, the driving member can be a linear cylinder or a linear motor.

When the fixing rod 300 slides to the preset position along the second direction, the fixing rod 300 needs to be fixed before the sample can be effectively fixed. Therefore, the sample fixing assembly disclosed in the embodiment of the present invention also includes a locking member, wherein , the locking member is provided on the fixed main plate 200 to lock the fixed rod 300 that has been positioned.

The locking member may be a lock or other mechanism capable of locking the fixed rod 300, as long as the fixed rod 300 can be locked. The specific structure of the locking member is not specified in the embodiment of the present invention. Go into details.

The embodiments of the present utility model do not limit the specific structure of the laser reflection component. As long as the structure meets the usage requirements of the present utility model, it is within the protection scope of the present utility model.

As one of the embodiments, the laser reflection assembly disclosed in the embodiment of the present invention at least includes a laser 400, a lens 500, an optical attenuator 600 and a reflective mirror 700. The laser 400, the lens 500, the optical attenuator 600 and the reflective mirror 700 are along The first direction is arranged sequentially from left to right. The laser 400 is used to emit laser, the lens 500 is used to adjust the laser into a parallel beam, the optical attenuator 600 is used to reduce the power of the parallel beam, and the reflector 600 is used to convert the light passing through the attenuator. After 600 seconds, the laser is introduced into the sample placement platform 100.

It should be noted that the lens 500 has a preset distance from the light outlet of the laser 400 .

It should be further explained that the optical attenuator 600 can reduce the power of the laser to different presets. When the sample is subjected to laser scribing, the optical attenuator 600 reduces the power of the laser to the first threshold. When the sample spectrum is tested, the optical attenuator 600 reduces the power of the laser to a first threshold. The attenuator 600 can reduce the power of the laser to the second threshold, so that two different functions of laser scribing and spectrum testing can be achieved.

In the description of the present application, the terms "first" and "second" are used for descriptive purposes only and shall not be understood as indicating or implying relative importance.

Unless otherwise clearly stated and limited, the term "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood on a case-by-case basis. The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be practiced in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. An integrated laser scribing and spectroscopic testing device, comprising:

the laser scribing mechanism is used for emitting laser and carrying out laser scribing on the sample through the laser;

a spectrum testing mechanism for obtaining a fluorescence spectrum of the laser light passing through the sample;

the laser beam on-off mechanism is arranged on a light path between the laser scribing mechanism and the spectrum testing mechanism so as to control the laser entering the spectrum testing mechanism to cut off or pass through;

the laser beam on-off mechanism comprises a shielding plate body and a shielding sheet, wherein a light hole is formed in the shielding plate body, and the shielding sheet is arranged at the light hole in an openable manner so as to open or close the light hole;

the laser is aligned with the light hole, and the laser can enter the spectrum testing mechanism through the light hole.

2. The integrated laser scribing and spectroscopic testing device of claim 1, wherein the spectroscopic testing mechanism comprises a fluorescence spectrometer and a detector.

3. The integrated laser scribing and spectroscopic testing device of claim 1, wherein the laser scribing mechanism comprises:

the sample placing platform is used for placing a sample;

the sample fixing assembly is used for fixing the sample, and the position of the sample fixing assembly can be adjusted to fix the samples with different sizes;

and the laser reflection assembly is used for emitting laser and introducing the laser to the sample placing platform so as to set up an optical path for completing laser scribing.

4. The integrated laser scribing and spectroscopic testing device according to claim 3, wherein the number of the sample fixing components is at least two, and at least two of the sample fixing components are oppositely arranged at two sides of the sample placing platform so as to fix the sample.

5. The integrated laser scribing and spectroscopic testing device of claim 3, wherein the sample holding assembly comprises a holding main plate and a holding bar disposed on the holding main plate, the holding bar being movable in a first direction and a second direction to accommodate the samples of different sizes.

6. The integrated laser scribing and spectroscopic testing device of claim 5, wherein the fixing bar comprises at least a fixing section and a telescopic section, the fixing section being connected to the fixing main board, the telescopic section being capable of extending onto the sample placement platform along the first direction to be in contact with the sample.

7. The integrated device for laser scribing and spectral testing according to claim 5, wherein a slide rail is provided on the fixed main board, a slider for mating with the slide rail is provided on the fixed lever, and the fixed lever can slide back and forth on the slide rail along the second direction.

8. The integrated laser scribing and spectroscopic testing device according to claim 5, wherein the sample fixing assembly further comprises a driving member and a locking member, the driving member is capable of driving the fixing rod to move along the second direction, and the locking member is disposed on the fixing main board to lock the fixing rod which is positioned.

9. The integrated laser scribing and spectroscopic testing device of claim 3, wherein the laser reflection assembly comprises at least a laser for emitting laser light, a lens for collimating the laser light into a parallel beam, an optical attenuator for reducing the power of the parallel beam, and a mirror for introducing the laser light passing through the optical attenuator into the sample placement stage.