Housing for testing transient photoelectric signal of photovoltaic device
A compact housing design for transient photoelectric signal testing of photovoltaic devices addresses the complexity of existing systems by ensuring part independence and connectivity, enabling miniaturized and easy-to-process testing.
Patent Information
- Application Number
- CN202323318329.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-06
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2033-12-06
AI Technical Summary
Existing transient photocurrent test systems for photovoltaic devices are large, complex, and difficult to process, failing to meet requirements of miniaturization and convenience.
A compact housing design for transient photoelectric signal testing of photovoltaic devices, featuring a box body with partition plates, modules for data acquisition, signal source, and optical path, equipped with sliding doors and stainless steel components for ease of use and processing.
Ensures independence and connectivity of parts while achieving miniaturization, convenience, and simple processing, facilitating efficient testing of photovoltaic devices.
Smart Images
Figure CN222169770U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of photovoltaic device testing devices, in particular to a shell for testing transient photoelectric signals of photovoltaic devices. Background Art
[0002] At present, transient photocurrent systems are often used in the performance evaluation and research of photovoltaic devices and optoelectronic devices. However, the existing test system design structure is usually large, complex, and difficult to process, which does not meet the requirements of miniaturization, convenience, and simple processing. Therefore, it is of great significance to develop a small and easy-to-process transient photocurrent test system design.
[0003] Based on photoelectric detection technology and the design principles of optical systems, the photoelectric detectors and optical components inside the test system are protected. Summary of the invention
[0004] The utility model aims to provide a shell for transient photoelectric signal testing of a photovoltaic device, which can ensure the independence and connectivity of various parts and has the characteristics of miniaturization, convenience and simple processing.
[0005] To achieve the above-mentioned purpose, the utility model provides a shell for transient photoelectric signal testing of a photovoltaic device, including a box body, wherein a partition plate and a substrate are arranged in the box body, wherein the partition plate includes a first partition plate and a second partition plate, wherein the first partition plate is provided with a first opening, wherein the second partition plate is provided with a second opening, wherein the openings include a first opening and a second opening, wherein the box body includes a data acquisition module, a signal source module, an optical path module and a sample placement module, wherein the data acquisition instrument is arranged in the data acquisition module, wherein the data acquisition instrument has two first BNC interfaces and a USB interface, wherein the signal source module includes a signal source, a second BNC interface, a second opening, a second partition plate and a first through hole, and wherein the signal source module is connected with a USB cable and a BNC cable.
[0006] Preferably, the box includes a sealed box left side shape design, a sealed box right side shape design, a sealed box upper side shape design and a sealed box rear side shape design, the data acquisition module and the signal source module are placed in the front half of the box, the signal source module is installed on the first partition plate on the data acquisition module, the sample placement module is placed in the right half of the box, and the optical path module is placed in the rear half of the box.
[0007] Preferably, the data acquisition module, the signal source module and the optical path module are all provided with sliding doors.
[0008] Preferably, the data acquisition module is connected to a USB cable and a BNC cable, and the two BNC cables are connected to the data acquisition instrument, one of which is led out through the first opening on the first partition plate and connected to the sample chamber; the other BNC cable is connected to the second BNC interface on the signal source module through the second opening on the second partition plate.
[0009] Preferably, two BNC cables are connected to the second BNC interface of the signal source, one of which is led out through the first through hole on the first partition board at the rear side and connected to the diode light source, and the other BNC cable is connected to the first BNC interface on the data acquisition instrument through the second opening on the second partition board. The USB cable is led out from the second through hole of the rear shell of the box body after passing through the first through hole.
[0010] Preferably, the bottom plate of the optical path module is made of stainless steel, an optical bench is installed on the bottom plate, a lens is provided above the optical bench, a diode light source is provided on one side of the optical path module, a multi-axis lifting displacement table is fixed to the sample placement module, a reflector is provided above the sample chamber, a sample chamber is placed on the lifting multi-axis displacement table, and the sample chamber is connected to the data acquisition instrument by a BNC line derived through an opening.
[0011] Preferably, the first partition plate and the second partition plate are both made of stainless steel.
[0012] Preferably, a base plate is provided at the bottom of the data acquisition instrument and the multi-axis lifting and displacement stage.
[0013] Therefore, the utility model adopts a housing for testing transient photoelectric signals of a photovoltaic device with the above structure, which can ensure the independence and connectivity of each part and has the characteristics of miniaturization, convenience and simple processing.
[0014] The technical solution of the utility model is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of an embodiment of a housing for transient photoelectric signal testing of a photovoltaic device according to the utility model;
[0016] Figure 2 This is a diagram showing an embodiment of a housing for testing transient photoelectric signals of a photovoltaic device according to the utility model;
[0017] Figure 3 This is an overall front view of a shell for testing transient photoelectric signals of a photovoltaic device according to the utility model;
[0018] Figure 4This is an overall rear view of a shell for testing transient photoelectric signals of a photovoltaic device according to the utility model.
[0019] Reference numerals
[0020] 1. Box body; 101. The outer shape design of the left side of the sealed box body; 102. The outer shape design of the right side of the sealed box body; 103. The outer shape design of the upper side of the sealed box body; 104. The outer shape design of the rear side of the sealed box body; 2. Data acquisition module; 3. Signal source module; 4. Optical path module; 5. Sample placement module; 6. The first partition board; 7. Data acquisition instrument; 8. The first BNC interface; 9. The first opening; 10. The second partition board; 11. The second opening; 12. The second BNC interface; 13. The signal source; 14. The first through hole; 15. The diode light source; 16. The bottom plate; 17. The lens; 18. The optical bench; 19. The multi-axis lifting and translation stage; 20. The sample compartment; 21. The substrate; 22. The first USB interface; 23. The second USB interface. DETAILED DESCRIPTION
[0021] The technical solution of the utility model is further described below through the accompanying drawings and embodiments.
[0022] Unless otherwise defined, the technical terms or scientific terms used in the present invention shall have the usual meanings understood by persons with ordinary skills in the field to which the present invention belongs. The words "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. Words such as "include" or "comprise" and the like mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. Words such as "connect" or "connected" and the like are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.
[0023] Embodiment 1
[0024] like Figure 1-2 As shown, the utility model discloses a housing for transient photoelectric signal testing of a photovoltaic device, including a box body 1, wherein the box body 1 includes a sealed box body left side shape design 101, a sealed box body right side shape design 102, a sealed box body upper side shape design 103 and a sealed box body rear side shape design 104.
[0025] A first partition plate 6, a second partition plate 10 and a substrate 21 are provided in the box body 1. A first opening 9 is provided on the first partition plate 6, and a second opening 11 is provided on the second partition plate 10. The box body 1 includes a data acquisition module 2, a signal source module 3, an optical path module 4 and a sample placement module 5. The data acquisition module 2 and the signal source module 3 are placed in the front half of the box body 1, the signal source module 3 is installed on the first partition plate 6 on the data acquisition module 2, the sample placement module 5 is placed in the right half of the box body 1, and the optical path module 4 is placed in the back half of the box body 1.
[0026] The data acquisition module 2, the signal source module 3 and the optical path module 4 are all provided with sliding doors to facilitate debugging and data collection.
[0027] A data acquisition instrument 7 is provided in the data acquisition module 2. The data acquisition instrument 7 has two first BNC interfaces 8 and a first USB interface 22. The data acquisition module 2 is connected to a USB cable and a BNC cable. The two BNC cables are connected to the data acquisition instrument 7. One of the BNC cables is led out through a first opening 9 on a first partition plate 6 and connected to a sample chamber 20; the other BNC cable is connected to a second BNC interface 12 on a signal source module 3 through a second opening 11 on a second partition plate 10.
[0028] The first partition plate 6 and the second partition plate 10 are both made of stainless steel, which are strong and not easy to deform. The signal source module 3 includes a signal source 13 , a second BNC interface 12 , a second opening 11 , a second partition plate 10 and a first through hole 14 .
[0029] The signal source module 3 is connected with a USB cable and a BNC cable. The signal source has two second BNC interfaces 12 and a second USB interface 23. The two BNC cables are connected to the second BNC interface 12 of the signal source 13. One of the BNC cables is led out through the first through hole 14 and connected to the diode light source 15; the other BNC cable is connected to the first BNC interface 8 on the data acquisition instrument 7 through the second opening 11 on the second partition plate 10. The USB cable is led out from the second through hole 15 on the rear shell of the box body 1 after passing through the first through hole 14, and is used to connect to a computer. The data acquisition instrument 7 can be an oscilloscope, which can be replaced according to the device test requirements. The data acquisition module 7 is equipped with a push-pull door for easy operation and data reading.
[0030] The bottom plate 16 of the optical path module 4 is made of stainless steel, and an optical bench 18 is mounted on the bottom plate 16. A lens 17 is arranged above the optical bench 18, and a diode light source 15 is arranged on one side of the optical path module 4. The position of the lens 17 is adjusted according to light sources of different wavelengths, thereby adjusting the spot size and transmission path of the pulse light. The optical path module adopts a sliding door to facilitate the replacement of the light source and adjustment of the optical path.
[0031] The sample placement module 5 is fixed with a multi-axis lifting platform 19 for adjusting the position of the device under test. A reflector 21 is arranged above the sample chamber 20, and the lifting multi-axis platform 19 is provided with the sample chamber 20. A base plate 21 is arranged at the bottom of the data acquisition instrument 7 and the multi-axis lifting platform 19.
[0032] Therefore, the utility model adopts a housing for testing transient photoelectric signals of a photovoltaic device with the above structure, which can ensure the independence and connectivity of each part and has the characteristics of miniaturization, convenience and simple processing.
[0033] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that they can still modify or replace the technical solution of the utility model with equivalents, and these modifications or equivalent replacements cannot cause the modified technical solution to deviate from the spirit and scope of the technical solution of the utility model.
Claims
1. A housing for testing transient photoelectric signals of photovoltaic devices, characterized in that: It includes a box body, wherein a first partition plate, a second partition plate and a substrate are arranged in the box body, wherein the partition plate includes a first partition plate and a second partition plate, wherein the first partition plate has a first opening, wherein the second partition plate has a second opening, wherein the box body includes a data acquisition module, a signal source module, an optical path module and a sample placement module, wherein a data acquisition instrument is arranged in the data acquisition module, wherein the data acquisition instrument has two first BNC interfaces and a USB interface, wherein the signal source module includes a signal source, a second BNC interface, a second opening, a second partition plate and a first through hole, wherein the signal source module is connected with a USB cable and a BNC cable.
2. The housing for testing transient photoelectric signals of photovoltaic devices according to claim 1, characterized in that: The box body includes a sealed box body left side shape design, a sealed box body right side shape design, a sealed box body upper side shape design and a sealed box body rear side shape design. The data acquisition module and the signal source module are placed in the front half of the box body, the signal source module is installed on the first partition plate on the data acquisition module, the sample placement module is placed in the right half of the box body, and the optical path module is placed in the rear half of the box body.
3. The housing for testing transient photoelectric signals of photovoltaic devices according to claim 1, characterized in that: The data acquisition module, the signal source module and the optical path module are all provided with sliding doors.
4. The housing for testing transient photoelectric signals of photovoltaic devices according to claim 1, characterized in that: The data acquisition module is connected to a USB cable and a BNC cable, and the two BNC cables are connected to the data acquisition instrument. One of the BNC cables is led out through the first opening on the first partition board and connected to the sample compartment; the other BNC cable is connected to the second BNC interface on the signal source module through the second opening on the second partition board.
5. The housing for testing transient photoelectric signals of photovoltaic devices according to claim 1, characterized in that: Two BNC cables are connected to the second BNC interface of the signal source, one of which is led out through the first through hole on the first partition board at the rear side and connected to the diode light source, and the other BNC cable is connected to the first BNC interface on the data acquisition instrument through the second opening on the second partition board, and the USB cable is led out from the second through hole of the rear shell of the box after passing through the first through hole.
6. The housing for testing transient photoelectric signals of a photovoltaic device according to claim 1, characterized in that: The bottom plate of the optical path module is made of stainless steel, an optical bench is installed on the bottom plate, a lens is arranged above the optical bench, a diode light source is arranged on one side of the optical path module, a multi-axis lifting displacement platform is fixed to the sample placement module, a sample bin is arranged on the multi-axis lifting displacement platform, a reflector is arranged above the sample bin, and the sample bin is connected to the data acquisition instrument via a BNC line led out through an opening.
7. The housing for testing transient photoelectric signals of photovoltaic devices according to claim 1, characterized in that: The first partition plate and the second partition plate are both made of stainless steel.
8. The housing for testing transient photoelectric signals of a photovoltaic device according to claim 6, characterized in that: The bottom of the data acquisition instrument and the multi-axis lifting and displacement platform is provided with a base plate.