CN113612442B - Electromagnetic pulse injection solar cell test device - Google Patents
Electromagnetic pulse injection solar cell test device Download PDFInfo
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- CN113612442B CN113612442B CN202110721271.6A CN202110721271A CN113612442B CN 113612442 B CN113612442 B CN 113612442B CN 202110721271 A CN202110721271 A CN 202110721271A CN 113612442 B CN113612442 B CN 113612442B
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- solar cell
- shielding box
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- pcb
- microstrip line
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- 238000012360 testing method Methods 0.000 title claims abstract description 45
- 238000002347 injection Methods 0.000 title claims abstract description 44
- 239000007924 injection Substances 0.000 title claims abstract description 44
- 239000003990 capacitor Substances 0.000 claims abstract description 58
- 229910052751 metal Inorganic materials 0.000 claims abstract description 57
- 239000002184 metal Substances 0.000 claims abstract description 57
- 230000000903 blocking effect Effects 0.000 claims abstract description 23
- 239000000853 adhesive Substances 0.000 claims abstract description 8
- 230000001070 adhesive effect Effects 0.000 claims abstract description 8
- 239000004020 conductor Substances 0.000 claims abstract description 6
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 32
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 238000003466 welding Methods 0.000 abstract description 8
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 7
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 7
- NMWSKOLWZZWHPL-UHFFFAOYSA-N 3-chlorobiphenyl Chemical compound ClC1=CC=CC(C=2C=CC=CC=2)=C1 NMWSKOLWZZWHPL-UHFFFAOYSA-N 0.000 description 4
- 101001082832 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) Pyruvate carboxylase 2 Proteins 0.000 description 4
- 208000028659 discharge Diseases 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
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- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical group [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
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- 238000005476 soldering Methods 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
- H02S50/10—Testing of PV devices, e.g. of PV modules or single PV cells
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Photovoltaic Devices (AREA)
Abstract
The invention provides an electromagnetic pulse injection solar cell test device, which comprises: the metal shielding box is internally of a hollow structure, and fixes the cover plate to realize electromagnetic shielding; the PCB is provided with a solar cell attaching area and a microstrip line structure; the SMA connector is fixed on the side surface of the metal shielding box; the direct current blocking capacitor is fixed on the PCB through welding; the feed-through capacitor is fixed on the side surface of the metal shielding box through a screw. The SMA outer conductor is electrically connected with the metal shielding box by fixing the SMA connector on the metal shielding box through a screw, the SMA core passes through the side wall of the metal shielding box and is sequentially connected with the blocking capacitor, the microstrip line and the solar cell front electrode interconnection piece in a welding mode, and the solar cell back electrode is electrically connected with the PCB cell attachment area and the electromagnetic shielding box through the conductive adhesive. The invention realizes the effective shielding of the direct current signal in the injection process of the electromagnetic pulse injection solar cell and improves the effectiveness of the electromagnetic pulse injection test.
Description
Technical Field
The invention relates to an electromagnetic pulse injection solar cell testing device, and belongs to the field of photovoltaic cells.
Background
The solar cell array converts light energy into electric energy, and is a main way for acquiring energy by a spacecraft. However, during the on-orbit operation, the dielectric material on the surface of the spacecraft can deposit charges under the influence of the environment such as plasma, high-energy charged particles and solar radiation. Because the solar cell array has large area, various medium materials and uneven surface charge, primary discharge is easy to occur to further induce secondary discharge, and the phenomenon of electromagnetic pulse release is accompanied when electrostatic discharge occurs, which is also an important factor for causing damage and failure of the solar cell array.
Disclosure of Invention
The technical problem solved by the invention is as follows: the defects in the prior art are overcome, the electromagnetic pulse injection solar cell testing device is provided, the direct current signal is effectively shielded in the electromagnetic pulse injection solar cell injection process, the alternating current signal is effectively shielded in the electrical property testing process, and the effectiveness of the electromagnetic pulse injection test is improved.
The technical scheme of the invention is as follows: an electromagnetic pulse injection solar cell test device comprises a metal shielding box, a PCB (printed circuit board), a solar cell attachment area, SMA (shape memory alloy) joints, a blocking capacitor and 2 through capacitors; the two feedthrough capacitors are respectively marked as a first feedthrough capacitor and a second feedthrough capacitor;
the metal shielding box is of a hollow structure, the SMA joint wires are fixed on the side wall of the metal shielding box, and the SMA joint outer conductor is electrically connected with the metal shielding box;
the PCB is fixed and embedded in the metal shielding box, a solar cell attaching area is arranged on the PCB, a solar cell anode interconnection piece is attached to the solar cell attaching area through conductive glue to realize electrical connection, and microstrip lines are further arranged on the PCB and comprise a first microstrip line, a second microstrip line and a third microstrip line;
the SMA core stage penetrates through the side wall of the metal shielding box and is connected with one end of the blocking capacitor, and the other end of the blocking capacitor is electrically connected with the solar cell cathode interconnection piece through a first microstrip line;
the first feedthrough capacitor and the second feedthrough capacitor are fixed on the side wall of the metal shielding box, and the first feedthrough capacitor leads out the solar panel negative electrode interconnection piece to the outside of the metal shielding box through a second microstrip line on the PCB; the second feedthrough capacitor is used for leading out the solar panel positive electrode interconnection piece to the outside of the metal shielding box through a third microstrip line on the PCB.
Preferably, the metal shielding box is made of copper or aluminum.
Preferably, the width dereferencing ranges of the first microstrip line, the second microstrip line and the third microstrip line are all 2 mm-3 mm.
Preferably, the SMA core stage is connected with any one of the two negative interconnection pieces of the solar panel.
Preferably, the conductive adhesive is gold schrader K-818.
Preferably, the capacitance value range of the feedthrough capacitor is 2 NF-10 NF.
Preferably, the value range of the blocking capacitance is 5PF to 10PF.
Preferably, the metal shielding box is designed with a cover plate, and the cover plate can be opened and is used for testing the solar cell array in an unshielded state.
Compared with the prior art, the invention has the beneficial effects that:
(1) The solar cell is fixedly connected with the injection device through the conductive adhesive, so that the nondestructive access of the solar cell is realized, the solar cell is suitable for different cell sizes, and the universality of an electromagnetic pulse injection test is improved;
(2) The injection device is provided with the blocking capacitor and the feedthrough capacitor, so that the direct current signal can be effectively shielded in the injection process, the alternating current signal can be effectively shielded in the electrical property test process, and the effectiveness of the electromagnetic pulse injection test is improved.
(3) The injection device adopts the SMA universal joint, and the metal shielding box is designed with a detachable cover plate structure, so that the test comparison of the battery IV performance before and after the injection test is conveniently realized, and the convenience of the electromagnetic pulse injection test is improved.
Drawings
Fig. 1 is a schematic structural diagram of an electromagnetic pulse injection solar cell testing apparatus provided by the present invention (no solar cell is attached, no cover plate is fixed);
FIG. 2 is a schematic structural diagram of an electromagnetic pulse injection solar cell testing apparatus according to the present invention (with a solar cell attached, without a cover plate fixed);
FIG. 3 is a schematic structural view of an electromagnetic pulse injection solar cell testing apparatus (fixed cover plate)
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
When the electromagnetic pulse irradiates the solar cell, the electromagnetic pulse energy is effectively absorbed by the solar cell and depends on harsh coupling conditions, and the electromagnetic pulse injected into the solar cell can avoid the irradiation coupling conditions, so that the method is an effective way for realizing the research on the electromagnetic pulse damage of the solar cell.
The invention provides an electromagnetic pulse injection solar cell test device which comprises a metal shielding box 1, a PCB 2, a solar cell attaching area 3, an SMA joint 4, a first feedthrough capacitor 5-1, a second feedthrough capacitor 5-2 and a blocking capacitor 7.
The metal shielding box 1 is of a hollow structure, the SMA connector wires are fixed on the side wall of the metal shielding box, and the external conductors of the SMA connectors 4 are electrically connected with the metal shielding box. The metal shielding box 1 mainly plays a role of electromagnetic shielding in the electromagnetic pulse injection process, namely, the electromagnetic pulse is limited in the shielding box, and the influence on the external environment is avoided.
The PCB 2 is fixed and embedded in the metal shielding box, the PCB 2 is provided with a solar cell attaching area 3, a solar cell positive electrode interconnection piece is attached to the solar cell attaching area 3 through conductive glue to realize electrical connection, and the PCB 2 is also provided with a microstrip line 6 which comprises a first microstrip line, a second microstrip line and a third microstrip line;
the SMA core stage penetrates through the side wall of the metal shielding box and is connected with one end of the blocking capacitor 7, and the other end of the blocking capacitor 7 is electrically connected with the solar cell cathode interconnection piece through a first microstrip line.
The first feedthrough capacitor 5-1 and the second feedthrough capacitor 5-2 are fixed on the side wall of the metal shielding box, and the first feedthrough capacitor 5-1 leads out the negative electrode interconnection piece of the solar panel to the outside of the metal shielding box through a second microstrip line on the PCB; the second feedthrough capacitor 5-2 is used for leading out the solar panel positive electrode interconnection piece to the outside of the metal shielding box through a third microstrip line on the PCB.
Preferably, the metal shielding box is made of copper or aluminum.
Preferably, the width dereferencing ranges of the first microstrip line, the second microstrip line and the third microstrip line are all 2 mm-3 mm.
Preferably, the SMA core stage is connected with any one of the two negative interconnection pieces of the solar panel.
Preferably, the conductive adhesive is Kinsda K-818.
Preferably, the capacitance value range of the feedthrough capacitor is 2 NF-10 NF.
Preferably, the value range of the blocking capacitor 7 is 5 PF-10 PF, and the working voltage and the capacitance are respectively 100V/10A.
Preferably, the design of metallic shield box 1 has the apron, through the screw fixation, mainly plays electromagnetic shielding's effect at the electromagnetic pulse injection in-process, is about to electromagnetic pulse restriction in the shielding box, avoids the influence to external environment. After the test, the cover plate can be opened to test the electrical property of the solar cell. The cover plate can be opened before and after the test, and the electrical property of the solar cell is compared and tested.
The embodiment is as follows:
in a specific embodiment of the present invention, an electromagnetic pulse injection solar cell test apparatus is provided, as shown in fig. 1, and the electromagnetic pulse injection solar cell test apparatus in this embodiment is used for installing two sets of electromagnetic pulse injection solar cells.
In fig. 1, 1 is a metal shielding box, 2 is a PCB, 3 is a solar cell attachment region, 4 is an SMA connector, 5 is a feedthrough capacitor, 6 is a microstrip line, and 7 is a blocking capacitor.
The metal shielding box is of a hollow structure, is made of copper materials or other metal materials, and has the external dimension of 10cm multiplied by 6cm multiplied by 2cm and the internal dimension of 9cm multiplied by 5cm multiplied by 1.5cm. The side wall of the metal shielding box is provided with 4 SMA joints and 4 feedthrough capacitors, and the cover plate is 10cm multiplied by 6cm multiplied by 0.2cm and can be fixed with the metal shielding box through screws. The cover plate can be opened before and after the test, and the electrical property of the solar cell can be compared and tested.
The size of the PCB is 8.5cm multiplied by 4.5cm multiplied by 0.2cm, the PCB is embedded in the metal shielding box through screw fixation, a solar cell attaching area is designed on the PCB, a solar cell back electrode can be attached to the PCB through conductive adhesive, electrical connection is realized, a microstrip line is further designed on the PCB, and connection of an SMA core level and a solar cell front electrode interconnection piece can be realized through welding. In this example, the solar cell attachment regions are 2 on the left and right, and the areas are 3.5cm × 2.5cm.
The SMA joint is fixed on the side wall of the metal shielding box through a screw to realize the electric connection of the SMA outer conductor and the metal shielding box, and the SMA core stage penetrates through the side wall of the metal shielding box to be connected with the DC blocking capacitor and the microstrip line on the PCB through welding, so that the electric connection of the SMA core stage and the solar cell front electrode interconnection sheet (cathode) is realized.
And the PCB is also provided with a blocking capacitor which is positioned between the SMA core level and the microstrip line of the PCB and is fixed with the PCB in a welding way. The DC blocking capacitor is fixed on the PCB by welding, and the position of the DC blocking capacitor is designed between the SMA core stage and the PCB microstrip line, so that the shielding of the DC signal part in the electromagnetic pulse injection is realized.
The feed-through capacitor is fixed on the side wall of the metal shielding box through screws and is connected with the PCB microstrip line in a welding mode. The feed-through capacitor is fixed on the side wall of the metal shielding box through screws and connected with the micro-strip line of the PCB in a welding mode to lead out the front and rear electrodes of the solar panel, and after the cover plate of the metal shielding box is opened, the IV performance under the illumination of the solar cell can be subjected to comparison test analysis.
The back electrode of 2 gallium arsenide solar cell single sheets with the size of 4cm multiplied by 3cm is attached to the attaching area of the solar cell of the PCB board through the conductive adhesive, and the front-stage interconnection sheet of the gallium arsenide solar cell single sheet is connected with the corresponding microstrip line on the PCB board in a soldering mode, as shown in figure 2.
In fig. 2, 1 is a metal shielding box, 2 is a PCB, 3 is a gaas solar cell slice, 4 is an SMA connector, 5 is a feedthrough capacitor, 6 is a microstrip line, 7 is a blocking capacitor, and 8 is a front-stage interconnection piece of the gaas solar cell slice.
The SMA core level penetrates through the side wall of the metal shielding box and is sequentially connected with a blocking capacitor, a microstrip line and a gallium arsenide solar cell front-stage interconnection piece. The back electrode (cathode) of the solar cell is sequentially connected with the PCB solar cell attaching area, the metal shielding box and the SMA outer conductor.
Before injection test, the IV performance of the gallium arsenide solar cell single chip can be tested through the first feedthrough capacitor and the second feedthrough capacitor. The first feedthrough capacitor and the second feedthrough capacitor are respectively connected to the positive electrode and the negative electrode of the testing instrument.
The cover plate was fixed to the metal shield case with screws to complete the packaging of the injection test apparatus, as shown in fig. 3.
In fig. 3, 1 is a metal shielding box, 2 is a cover plate, 3 is an SMA connector, and 4 is a feedthrough capacitor.
During the electromagnetic pulse injection test, the electromagnetic pulse signal can be injected from the front-stage interconnection sheet of the gallium arsenide solar cell through the connection of the SMA connector and the electromagnetic pulse generating device, and the grounding of the back electrode of the gallium arsenide solar cell is ensured. The direct current signal can effectively be shielded to the blocking electric capacity, and metal shielding box plays the shielding effect to electromagnetic pulse to the environmental radiation behind the fixed apron.
And after the injection test is finished, opening the cover plate, and performing comparative test on the IV performance of the gallium arsenide solar cell through the feedthrough capacitor.
In this embodiment, 1 injection test apparatus can attach 2 gaas solar cells for injection test, and 2 preceding-stage interconnection sheets (positive interconnection sheets) can be selected for each gaas solar cell for electromagnetic pulse injection. The structure is compact, and the test development and the test of the battery IV performance are easy.
The above description is an example of the best mode of the invention, and the parts not specifically mentioned are the common general knowledge of those skilled in the art, and the protection scope of the invention is subject to the content of the claims, and any equivalent changes based on the technical teaching of the invention are also within the protection scope of the invention.
Claims (8)
1. An electromagnetic pulse injection solar cell test device is characterized by comprising a metal shielding box (1), a PCB (printed circuit board) board (2), a solar cell attaching area (3), an SMA (shape memory alloy) joint (4), a blocking capacitor (7) and 2 through capacitors; the two feedthrough capacitors are respectively marked as a first feedthrough capacitor (5-1) and a second feedthrough capacitor (5-2);
the metal shielding box (1) is of a hollow structure, the SMA joint wires are fixed on the side wall of the metal shielding box, and the external conductor of the SMA joint (4) is electrically connected with the metal shielding box;
the solar cell module comprises a PCB (2), a solar cell attaching area (3), a solar cell positive electrode interconnection piece, microstrip lines and a metal shielding box, wherein the PCB (2) is fixed and embedded in the metal shielding box, the solar cell attaching area (3) is arranged on the PCB (2), the solar cell positive electrode interconnection piece is attached to the solar cell attaching area (3) through conductive adhesive to achieve electrical connection, and the PCB (2) is further provided with the microstrip lines which comprise a first microstrip line, a second microstrip line and a third microstrip line;
the SMA core level penetrates through the side wall of the metal shielding box and is connected with one end of a blocking capacitor (7), and the other end of the blocking capacitor (7) is electrically connected with a negative electrode interconnection sheet of the solar cell through a first microstrip line;
the first feedthrough capacitor (5-1) and the second feedthrough capacitor (5-2) are fixed on the side wall of the metal shielding box, and the first feedthrough capacitor (5-1) leads out the solar panel cathode interconnection piece to the outside of the metal shielding box through a second microstrip line on the PCB; and the second feedthrough capacitor (5-2) is used for leading out the solar panel positive electrode interconnection piece to the outside of the metal shielding box through a third microstrip line on the PCB.
2. The device for testing the injection of electromagnetic pulses into solar cells of claim 1, wherein the metallic shielding case is made of copper or aluminum.
3. The electromagnetic pulse injection solar cell test device according to claim 1, wherein the width of the first microstrip line, the second microstrip line and the third microstrip line ranges from 2mm to 3mm.
4. An electromagnetic pulse injection solar cell test device as claimed in claim 1, wherein said SMA core stage is connected to any one of two negative interconnection pieces of a solar cell panel.
5. The apparatus of claim 1, wherein the conductive adhesive is Kinsda K-818.
6. The electromagnetic pulse injection solar cell testing apparatus of claim 1, wherein the capacitance range of the feedthrough capacitor is 2NF to 10NF.
7. The electromagnetic pulse injection solar cell test device according to claim 1, wherein the blocking capacitance (7) ranges from 5PF to 10PF.
8. The electromagnetic pulse injection solar cell test device according to claim 1, wherein the metal shielding box (1) is designed with a cover plate, and the cover plate can be opened for testing the solar cell array in an unshielded state.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110721271.6A CN113612442B (en) | 2021-06-28 | 2021-06-28 | Electromagnetic pulse injection solar cell test device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110721271.6A CN113612442B (en) | 2021-06-28 | 2021-06-28 | Electromagnetic pulse injection solar cell test device |
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| CN113612442A CN113612442A (en) | 2021-11-05 |
| CN113612442B true CN113612442B (en) | 2023-02-28 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204359881U (en) * | 2015-01-09 | 2015-05-27 | 中国人民解放军军械工程学院 | ESD test device under electromagnetic impulse radiation environment |
| CN105334468A (en) * | 2015-11-20 | 2016-02-17 | 中国电子科技集团公司第十八研究所 | Solar battery capacitor time domain testing device and testing method |
| CN206993059U (en) * | 2017-08-07 | 2018-02-09 | 东北师范大学 | A kind of solar cell test platform |
| CN108123677A (en) * | 2017-12-26 | 2018-06-05 | 中伏智慧数据科技有限公司 | The equipment that electricity conversion is strengthened in a kind of photovoltaic field |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9136732B2 (en) * | 2011-10-15 | 2015-09-15 | James F Wolter | Distributed energy storage and power quality control in photovoltaic arrays |
| WO2017212757A1 (en) * | 2016-06-09 | 2017-12-14 | 三菱電機株式会社 | Failure diagnostic method and failure diagnostic device of solar cell string |
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2021
- 2021-06-28 CN CN202110721271.6A patent/CN113612442B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204359881U (en) * | 2015-01-09 | 2015-05-27 | 中国人民解放军军械工程学院 | ESD test device under electromagnetic impulse radiation environment |
| CN105334468A (en) * | 2015-11-20 | 2016-02-17 | 中国电子科技集团公司第十八研究所 | Solar battery capacitor time domain testing device and testing method |
| CN206993059U (en) * | 2017-08-07 | 2018-02-09 | 东北师范大学 | A kind of solar cell test platform |
| CN108123677A (en) * | 2017-12-26 | 2018-06-05 | 中伏智慧数据科技有限公司 | The equipment that electricity conversion is strengthened in a kind of photovoltaic field |
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