CN217305310U - Photovoltaic device transient photocurrent and photovoltage testing device - Google Patents
Photovoltaic device transient photocurrent and photovoltage testing device Download PDFInfo
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- CN217305310U CN217305310U CN202220150009.0U CN202220150009U CN217305310U CN 217305310 U CN217305310 U CN 217305310U CN 202220150009 U CN202220150009 U CN 202220150009U CN 217305310 U CN217305310 U CN 217305310U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model discloses a photovoltaic device transient photocurrent and photovoltaic voltage testing device, which belongs to the technical field of photovoltaic device testing devices, and comprises a testing clamp, a displacement platform, a switching and signal amplification module, a signal acquisition and generation module, a pulse laser, a solar simulator and a camera, wherein the testing clamp, the displacement platform, the switching and signal amplification module, the signal acquisition and generation module, the pulse laser, the solar simulator and the camera jointly form the photovoltaic device transient photocurrent and photovoltaic voltage testing device; the test fixture is used for clamping the device to be tested and completing the electric connection between the device to be tested and the test circuit, and the test fixture is placed on the displacement platform. The utility model discloses simple structure, by test fixture, displacement platform, switching and signal amplification module, signal acquisition and production module, pulse laser, sunlight simulator and camera constitute jointly, convenient operation provides convenient quick test for the user.
Description
Technical Field
The utility model belongs to the technical field of photovoltaic device testing arrangement, concretely relates to photovoltaic device transient state photocurrent and photovoltage testing arrangement.
Background
The research on the transient photovoltage and the transient photocurrent is a key means for revealing the microscopic working mechanism of the photovoltaic device, and the data detected by the transient photovoltage and the photocurrent are utilized to analyze, so that the relevant information of the dynamic processes of transmission, accumulation, compounding and the like of carriers in the photovoltaic device can be obtained. The transient photocurrent and the photovoltaic voltage are tested to obtain the short-circuit current and the open-circuit voltage of the photovoltaic device under a certain illumination condition.
The prior art has the following problems: the existing device has a complex structure, is troublesome in testing transient photocurrent and photovoltaic voltage of a photovoltaic device, and has inaccurate test results to influence the test.
SUMMERY OF THE UTILITY MODEL
To solve the problems raised in the background art described above. The utility model provides a photovoltaic device transient state photocurrent and photovoltage testing arrangement has simple structure, the convenient characteristics of test.
In order to achieve the above purpose, the utility model provides a following technical scheme: a photovoltaic device transient photocurrent and photovoltaic voltage testing device comprises a testing clamp, a displacement platform, a switching and signal amplifying module, a signal collecting and generating module, a pulse laser, a sunlight simulator and a camera, wherein the testing clamp, the displacement platform, the switching and signal amplifying module, the signal collecting and generating module, the pulse laser, the sunlight simulator and the camera jointly form the photovoltaic device transient photocurrent and photovoltaic voltage testing device;
the test fixture is used for clamping a device to be tested and completing the electric connection between the device to be tested and the test circuit, and the test fixture is placed on the displacement platform;
the displacement platform is used for adjusting the position of the light spot irradiated on the sample;
the switching and signal amplifying module is used for completing switching of a test sample device, switching of a test function and amplifying of a signal, and the switching of the sample device can be controlled through upper computer software;
the signal acquisition and generation module is used for acquiring transient photovoltage and transient photocurrent signals, generating and identifying a trigger signal and a synchronous signal of the pulse laser, and a user can conveniently adjust the trigger period of the pulse laser through an upper computer;
the pulse laser is used for generating pulse light and irradiating the pulse light on a sample, so that a transient voltage signal is generated inside the photovoltaic device to be detected;
the sunlight simulator is used for generating a stable light source for simulating a sunlight spectrum, and the light source is irradiated on a photovoltaic device to be tested to enable the interior of the device to generate stable voltage;
the camera is used for observing the position of the device irradiated by the light spot, and the camera is provided with a light supplement lamp.
Preferably, the test fixture is a sealed box structure.
Preferably, the displacement platform is a 3-axis displacement platform.
Preferably, the pulsed laser receives an external trigger electrical signal and generates a synchronous output electrical signal.
Preferably, the switching and signal amplifying module is connected to the computer through a USB, and the switching and signal amplifying module is controlled by upper computer software.
Preferably, the signal acquisition and generation module is connected to a computer through a USB, and the signal acquisition and generation module is controlled by upper computer software.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model has simple structure, consists of a test fixture, a displacement platform, a switching and signal amplifying module, a signal collecting and generating module, a pulse laser, a solar simulator and a camera, and can complete the electric connection of devices by putting a sample in the test fixture; the test fixture is placed on the displacement platform, the position of the sample irradiated by the light spot can be adjusted by adjusting the displacement platform, and the condition that the sample is irradiated by the light source can be clearly seen through the camera; the switching and signal amplifying module completes switching of a test sample sub-device, switching of a test function and amplifying of a signal, and the switching of the sample sub-device can be controlled through software of an upper computer; the signal acquisition and generation module is used for acquiring transient photovoltage and transient photocurrent signals, generating and identifying a trigger signal and a synchronous signal of the pulse laser, and a user can conveniently adjust the trigger period of the pulse laser through an upper computer; the pulse laser is used for generating pulse light and irradiating the sample to enable the photovoltaic device to be tested to generate a transient voltage signal inside, and the pulse laser can receive an external trigger signal and generate a synchronous output signal; the sunlight simulator is used for generating a stable light source for simulating sunlight spectrum, and the light source is irradiated on the photovoltaic device to be tested, so that stable voltage is generated inside the device, the operation is convenient, and the convenient and fast test is provided for a user.
Drawings
Fig. 1 is a block diagram of the present invention.
In the figure: 1. testing the clamp; 2. a displacement platform; 3. a switching and signal amplifying module; 4. a signal acquisition and generation module; 5. a pulsed laser; 6. a solar simulator; 7. a camera is provided.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides the following technical solutions: a photovoltaic device transient photocurrent and photovoltaic voltage testing device comprises a testing clamp 1, a displacement platform 2, a switching and signal amplifying module 3, a signal collecting and generating module 4, a pulse laser 5, a solar simulator 6 and a camera 7, wherein the testing clamp 1, the displacement platform 2, the switching and signal amplifying module 3, the signal collecting and generating module 4, the pulse laser 5, the solar simulator 6 and the camera 7 jointly form the photovoltaic device transient photocurrent and photovoltaic voltage testing device;
the test fixture 1 is used for clamping a device to be tested and completing the electric connection between the device to be tested and a test circuit, and the test fixture 1 is placed on the displacement platform 2;
the displacement platform 2 is used for adjusting the position of the light spot irradiated on the sample;
the switching and signal amplifying module 3 is used for completing switching of a test sample device, switching of a test function and amplifying of a signal, and the switching of the sample device can be controlled through upper computer software;
the signal acquisition and generation module 4 is used for acquiring transient photovoltage and transient photocurrent signals, generating and identifying a trigger signal and a synchronous signal of the pulse laser 5, and a user can conveniently adjust the trigger period of the pulse laser 5 through an upper computer;
the pulse laser 5 is used for generating pulse light and irradiating the sample to enable the photovoltaic device to be detected to generate a transient voltage signal;
the solar simulator 6 is used for generating a stable light source for simulating a solar spectrum, and the light source is irradiated on a photovoltaic device to be tested so as to generate stable voltage inside the device;
the camera 7 is used for observing the position that the facula shines the device, and camera 7 is from taking the light filling lamp.
Specifically, the test fixture 1 is a sealed box structure. The sealing performance is ensured, and external interference is avoided.
Specifically, the displacement stage 2 is a 3-axis displacement stage. The left and right, front and back and up and down positions can be conveniently adjusted.
Specifically, the pulse laser 5 receives an external trigger electrical signal and generates a synchronous output electrical signal. Irradiating the photovoltaic device to be tested through the fixed light inlet, wherein an electrode of the device can generate a transient voltage signal; the pulse length of the pulse laser can be selected from picoseconds, nanoseconds and microseconds; the pulse laser 5 generates pulse laser and provides synchronous electric pulse signals to the outside; the pulse laser 5 can work in an external trigger mode, and generates corresponding laser pulses and synchronous electric pulse signals after electric pulses are input.
Specifically, the switching and signal amplifying module 3 is connected to the computer through a USB, and the switching and signal amplifying module 3 is controlled by the upper computer software. The remote operation is conveniently carried out, and the test portability is improved.
Specifically, the signal acquisition and generation module 4 is connected to the computer through a USB, and the signal acquisition and generation module 4 is controlled by the upper computer software. The remote operation is convenient to carry out, and the test portability is improved.
The utility model discloses a theory of operation and use flow: when the utility model is used, the test fixture 1 is matched with the electrode distribution of the photovoltaic device to be tested, and the user can complete the electric connection of the device only by putting the sample in the test fixture 1; the test fixture 1 is placed on the displacement platform 2, the position of the sample irradiated by the light spot can be adjusted by adjusting the displacement platform 2, and the condition that the sample is irradiated by the light source can be clearly seen through the camera 7; the switching and signal amplifying module 3 completes the switching of the testing sample sub-devices, the switching of the testing functions and the amplification of signals, and the switching of the sample sub-devices can be controlled by the software of an upper computer; the signal acquisition and generation module 4 is used for acquiring transient photovoltage and transient photocurrent signals, generating and identifying a trigger signal and a synchronous signal of the pulse laser 5, and a user can conveniently adjust the trigger period of the pulse laser 5 through an upper computer; the pulse laser 5 is used for generating pulse light and irradiating the sample to enable the photovoltaic device to be tested to generate a transient voltage signal inside, and the pulse laser 5 can receive an external trigger signal and generate a synchronous output signal; the sunlight simulator 6 is used for generating a stable light source for simulating sunlight spectrum, and the light source is irradiated on a photovoltaic device to be tested, so that stable voltage is generated inside the device, and a convenient and rapid test is provided for a user.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a photovoltaic device transient state photocurrent and photovoltage testing arrangement, includes test fixture (1), displacement platform (2), switches and signal amplification module (3), signal acquisition and produces module (4), pulse laser (5), sunlight simulator (6) and camera (7), its characterized in that: the testing fixture (1), the displacement platform (2), the switching and signal amplifying module (3), the signal collecting and generating module (4), the pulse laser (5), the solar simulator (6) and the camera (7) jointly form a photovoltaic device transient photocurrent and photovoltage testing device;
the test fixture (1) is used for clamping a device to be tested and completing the electric connection between the device to be tested and the test circuit, and the test fixture (1) is placed on the displacement platform (2);
the displacement platform (2) is used for adjusting the position of the light spot irradiated on the sample;
the switching and signal amplifying module (3) is used for completing switching of a test sample device, switching of a test function and amplifying of a signal, and the switching of the sample device can be controlled through upper computer software;
the signal acquisition and generation module (4) is used for acquiring transient photovoltage and transient photocurrent signals, generating and identifying a trigger signal and a synchronous signal of the pulse laser (5), and a user can adjust the trigger period of the pulse laser (5) through the upper computer;
the pulse laser (5) is used for generating pulse light and irradiating the pulse light on a sample to enable the photovoltaic device to be tested to generate a transient voltage signal;
the sunlight simulator (6) is used for generating a stable light source for simulating a sunlight spectrum, and the light source is irradiated on a photovoltaic device to be tested to enable the inside of the device to generate stable voltage;
the camera (7) is used for observing the position of the device irradiated by the light spot, and the camera (7) is provided with a light supplement lamp.
2. The apparatus of claim 1, wherein the apparatus comprises: the test fixture (1) is of a sealed box structure.
3. The apparatus of claim 1, wherein the apparatus comprises: the displacement platform (2) is a 3-axis displacement platform.
4. The apparatus of claim 1, wherein the apparatus comprises: the pulse laser (5) receives an external trigger electrical signal and generates a synchronous output electrical signal.
5. The apparatus of claim 1, wherein the apparatus comprises: the switching and signal amplifying module (3) is connected to a computer through a USB, and the switching and signal amplifying module (3) is controlled by upper computer software.
6. The apparatus of claim 1, wherein the apparatus comprises: the signal acquisition and generation module (4) is connected to a computer through a USB, and the signal acquisition and generation module (4) is controlled by upper computer software.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220150009.0U CN217305310U (en) | 2022-01-19 | 2022-01-19 | Photovoltaic device transient photocurrent and photovoltage testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220150009.0U CN217305310U (en) | 2022-01-19 | 2022-01-19 | Photovoltaic device transient photocurrent and photovoltage testing device |
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| Publication Number | Publication Date |
|---|---|
| CN217305310U true CN217305310U (en) | 2022-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220150009.0U Active CN217305310U (en) | 2022-01-19 | 2022-01-19 | Photovoltaic device transient photocurrent and photovoltage testing device |
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| Country | Link |
|---|---|
| CN (1) | CN217305310U (en) |
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- 2022-01-19 CN CN202220150009.0U patent/CN217305310U/en active Active
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