CN219843587U - Solar cell characteristic test fixture - Google Patents
Solar cell characteristic test fixture Download PDFInfo
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- CN219843587U CN219843587U CN202320831665.1U CN202320831665U CN219843587U CN 219843587 U CN219843587 U CN 219843587U CN 202320831665 U CN202320831665 U CN 202320831665U CN 219843587 U CN219843587 U CN 219843587U
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- 238000012360 testing method Methods 0.000 title claims abstract description 41
- 239000000523 sample Substances 0.000 claims abstract description 91
- 238000001514 detection method Methods 0.000 claims abstract description 66
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 56
- 230000005611 electricity Effects 0.000 claims description 28
- 239000002184 metal Substances 0.000 claims description 21
- 229910052751 metal Inorganic materials 0.000 claims description 21
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 8
- 239000010931 gold Substances 0.000 claims description 8
- 229910052737 gold Inorganic materials 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 239000000696 magnetic material Substances 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 230000007306 turnover Effects 0.000 abstract description 5
- 238000010030 laminating Methods 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 8
- 229910021419 crystalline silicon Inorganic materials 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910001105 martensitic stainless steel Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Photovoltaic Devices (AREA)
Abstract
The utility model discloses a solar cell characteristic test fixture in the technical field of photovoltaic cell detection, which comprises a mounting table, an electric connection base and a detection probe; the frame mounting table is of a flat plate structure, and an avoidance groove is formed in one side edge of the frame mounting table; connect electric base for inside hollow conductive platform, connect electric base embedding at rack-mounted bench top, the laminating that test probe can separate is on rack-mounted bench, only need settle this device stably to be surveyed battery sample stable settle on this device, again with test probe with rack-mounted bench be connected stable can, can not need turn over the battery, also need not rotate the frock, stability is higher, use more stably, can control the temperature to being surveyed battery sample moreover, realize measuring the I-V characteristic of stromatolite solar cell under the temperature range that standard test condition required, data is more standard, reach the effect that standardized condition was measured.
Description
Technical Field
The utility model relates to the technical field of photovoltaic cell detection, in particular to a solar cell characteristic test fixture.
Background
Stacked photovoltaic cells, also known as multi-stack solar cells, achieve efficient spectral application by stacking subcells of different band gaps in an optical train to mitigate thermal energy loss of photogenerated carriers. In a stacked photovoltaic cell structure, the wider bandgap subcell is located at the top of the structure for collecting most of the high energy photons, while the narrower bandgap subcell is located at the bottom for absorbing the remaining low energy photons, thereby achieving maximum utilization of the solar spectrum.
In perovskite/crystalline silicon stacked solar cells, the subcells are connected together by an interconnect layer (a composite layer or tunnel junction), with perovskite as the top cell and silicon as the bottom cell. The electrode structure of perovskite and crystalline silicon stacked solar cells is typically made of a metal main grid line located above the cell as the negative electrode; the large-area metal electrode at the bottom of the battery is used as a positive electrode.
The battery needs to perform performance detection on the power generation performance, namely the I-V characteristic is tested, the electrode of the battery is quite special, the top of the battery is provided with two electrodes, which are both cathodes, the bottom of the battery is provided with a metal flat plate-shaped anode, when the I-V measurement is performed on the battery, an independent four-wire connection mode is required to be satisfied, namely the anode and the cathode of the battery are connected by a special test source meter,
I-V characteristic measurement is carried out on the battery by using a test source table, and the measurement is generally carried out by adopting a four-probe contact mode, and considering that the anode and the cathode of the perovskite/crystalline silicon laminated solar cell are not on the same plane, most of the existing test schemes adopt a turnover platform to be matched with four probes so as to realize the I-V measurement. During testing, a tested battery sample is suspended and fixed on a turnover platform, then two negative electrode needles (I-, V-) in four probes are used for contacting a negative electrode metal area at the top of the tested battery sample, the platform is turned over after the battery sample is fixed, positive electrode needles (I+ and V+) of other two detection probes are used for contacting a positive electrode metal area at the back of the tested battery sample, after the front and the back of the battery sample are respectively fixed, power connection is ensured, then the platform is turned over to an original state, and then under the irradiation of incident light, the I-V characteristic measurement of the perovskite or crystalline silicon laminated solar cell can be realized.
Based on the above, the utility model designs a solar cell characteristic test fixture to solve the above problems.
Disclosure of Invention
The utility model aims to provide a solar cell characteristic test fixture, when the device is used, the device is only required to be stably arranged, a tested battery sample is stably arranged on the device, a detection probe is stably connected with a rack mounting table, the battery is not required to be turned over, the fixture is not required to be rotated, the stability is higher, the device is more stable to use, the tested battery sample can be continuously cooled, the I-V characteristic of a laminated solar cell is measured under the temperature range required by standard test conditions, the data is more standard, and the effect of measuring under standard conditions is achieved.
The utility model is realized in the following way: a solar cell characteristic test fixture, comprising:
the device comprises a rack mounting table, an electric connection base and a detection probe;
the frame mounting table is of a flat plate structure, and an avoidance groove is formed in one side edge of the frame mounting table;
the electric connection base is a conductive platform with a hollow inside, the electric connection base is embedded at the top of the rack mounting table, a water outlet pipe and a water inlet pipe are arranged on one side of the electric connection base, the water outlet pipe and the water inlet pipe are communicated with the inner cavity of the electric connection base, and the water outlet pipe and the water inlet pipe are positioned in the opening of the avoidance groove;
the detection probe is a probe of a battery detection device, the detection probe can be attached to the rack mounting table in a separated mode, one end of the detection probe is a metal probe, the other end of the detection probe is an external wiring, the detection probe is provided with a plurality of electrode contacts on a detected battery, each electrode contact can be separated and is in butt joint with the metal probe of the detection probe, and the external wiring is connected with external detection equipment.
Further, the top of the power receiving base is flush with the top of the rack mounting table, and the power receiving base is inlaid at the top of the rack mounting table;
the electricity receiving base is a box body made of pure copper, and the outer surface of the electricity receiving base is plated with gold;
the water outlet pipe and the water inlet pipe of the electricity receiving base are respectively connected with the water inlet and the water outlet of the water cooling machine.
Further, the avoidance groove is a U-shaped groove, the avoidance groove penetrates through the upper surface and the lower surface of the rack assembly table, and the water outlet pipe and the water inlet pipe are positioned in the range of the height and the width of the avoidance groove.
Further, a temperature sensor is installed in the middle area of the power connection base, and a data line of the temperature sensor extends out of the rack mounting table.
Further, the rack mounting table is of an integral structure made of magnetic materials, a strong magnet is arranged at the bottom of the detection probe, and the detection probe and the rack mounting table are adsorbed through magnetic force.
The beneficial effects of the utility model are as follows: 1. the utility model adds the conductive electricity receiving base, and conducts the bottom positive electrode of the battery to the top of the electricity receiving base, so that the positive electrode and the negative electrode of the battery are positioned at the top of the platform where the rack mounting table 1 is positioned, the detection can be conveniently carried out through the detection equipment, the battery does not need to be turned over any more, the battery can be more stably arranged, and the battery is stably clamped and connected;
2. the temperature conduction liquid is injected into the power receiving base, so that the temperature of the power receiving base can be controlled, the temperature of a battery sample to be tested is kept constant, the battery can be tested at the standard temperature, and the accuracy of the evaluation of the photoelectric performance of the battery is improved;
3. the battery of this device is through the test probe magnetism suction centre gripping at electric base top that connects, easy dismounting detects more convenient.
Drawings
The utility model will be further described with reference to examples of embodiments with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of the assembly structure of a rack mount and a power receiving base of the present utility model;
FIG. 2 is a schematic top view of the overall structure of the present utility model;
FIG. 3 is a schematic side view of the overall structure of the present utility model;
fig. 4 is a schematic diagram of a sample of a battery to be tested according to the present utility model.
In the drawings, the list of components represented by the various numbers is as follows:
1-of a rack mounting table, 11-of an avoidance groove, 2-of an electric connection base, 21-of a water outlet pipe, 22-of a water inlet pipe, 23-of a temperature sensor, 3-of a detection probe, 31-of a metal probe and 32-of an external wiring.
Detailed Description
Referring to fig. 1 to 4, the present utility model provides a technical solution: a solar cell characteristic test fixture, comprising:
the device comprises a rack mounting table 1, an electric connection base 2 and a detection probe 3;
the frame mounting table 1 is of a flat plate structure, and an avoidance groove 11 is formed in one side edge of the frame mounting table 1;
the electric connection base 2 is a conductive platform with a hollow inside, the electric connection base 2 is embedded in the top of the rack mounting table 1, a water outlet pipe 21 and a water inlet pipe 22 are arranged on one side of the electric connection base 2, the water outlet pipe 21 and the water inlet pipe 22 are communicated with the inner cavity of the electric connection base 2, and the water outlet pipe 21 and the water inlet pipe 22 are positioned in the opening of the avoidance groove 11;
the detection probe 3 is a probe of a battery detection device, the detection probe 3 is detachably attached to the mounting table 1, one end of the detection probe 3 is a metal probe 31, the other end of the detection probe 3 is an external connection line 32, the detection probe 3 is multiple, each electrode contact on the battery to be detected is in close contact with one metal probe 31 of the detection probe 3, conduction is ensured, the external connection line 32 is connected with external detection equipment, the device is only required to be stably arranged, a battery sample to be detected is stably arranged on the device, the detection probe 3 is stably connected with the mounting table 1, a tool is not required to be turned over, the stability is higher, the battery sample to be detected is more stable, continuous temperature control can be performed on the battery sample to be detected, the I-V characteristics of the laminated solar battery are measured under the temperature range required by standard test conditions, the data are more standard, and the effect of measuring under standard conditions is achieved.
The top of the power receiving base 2 is flush with the top of the rack mounting table 1, and the power receiving base 2 is inlaid at the top of the rack mounting table 1;
the electricity receiving base 2 is a box body made of pure copper, the outer surface of the electricity receiving base 2 is plated with gold, the bottom positive electrode of the battery can be accurately conducted, the gold conduction has no negative effect on detection data, and the detection data are more accurate;
the water outlet pipe 21 and the water inlet pipe 22 of the electricity receiving base 2 are respectively connected with the water inlet and the water outlet of the water cooler, so that the inside of the electricity receiving base 2 can be conveniently cooled, and the detection temperature of the battery can be conveniently adjusted;
the avoidance groove 11 is a U-shaped groove, the avoidance groove 11 penetrates through the upper surface and the lower surface of the rack mounting table 1, the water outlet pipe 21 and the water inlet pipe 22 are positioned in the range of the height and the width of the avoidance groove 11, so that the cooling water is conveniently conveyed, the installation of equipment and the detection of a battery are not influenced, and the top flatness of the rack mounting table 1 is ensured;
the center point of the top of the power-on base 2 is also provided with a temperature sensor 23, a data line of the temperature sensor 23 extends out of the rack mounting table 1, the top of the temperature sensor 23 is flush with the power-on base 2, the temperature sensor 23 is embedded in the top of the power-on base 2, the temperature sensor 23 is isolated from the cavity in the power-on base 2, the water temperature can be monitored in real time, and the adjustment and control of the water temperature in the power-on base 2 can be facilitated;
the rack mounting table 1 is an integral structure made of magnetic materials, a strong magnet is arranged at the bottom of the detection probe 3, the detection probe 3 and the rack mounting table 1 are adsorbed by magnetic force, the installation is convenient, the attachment is firm, the battery is convenient to detach and replace, the rotation of a platform is not needed any more, the conventional rack mounting table 1 which is stably erected can be operated, the structure is firmer, the use is convenient, and the rotation operation is not needed any more;
the area of the electricity receiving base 2 is larger than that of a battery, and the side length of a single battery is 10cm, so that the electricity receiving base 2 of the device is square with the side length of more than 10cm, and the device can be manufactured according to the actually measured battery size, so that the batteries with different sizes can be covered and controlled in temperature conveniently, and the batteries can be controlled in temperature effectively.
In one embodiment of the utility model:
according to the embodiment of the utility model, by providing the solar cell characteristic test tool, the current solar cell test needs to perform I-V characteristic measurement on the cell by using the test source table to judge the performance of the cell, but because of the structural specificity of the laminated photovoltaic cell, as shown in fig. 4, the top of the cell is provided with a contact of a negative electrode, and the positive electrode of the cell is a large-area metal electrode, in the cell with the structure, in the conventional test, the bottom and the top electrode of the cell are both exposed by using the positioned hollowed-out flat plate, the top and the bottom electrode of the cell are both exposed to be connected by turning over the cell, and then the cell is placed under the solar simulator, and the I-V characteristic measurement is performed on the cell by using the test source table;
the technical problems encountered by the utility model are as follows: 1. when the battery is connected, the battery is clamped firstly, then the electrode at the top of the battery is connected, and then the turnover testing platform is used for connecting the electrode at the bottom of the battery, so that the operation is inconvenient, and the connection of the battery is easy to loosen when the battery is turned over; 2. when the battery is detected, standard test conditions require that the temperature of a battery sample to be detected is controlled within the range of 25+/-2 ℃, the battery is clamped on a hollowed-out overturning platform, and during detection, the platform, other clamping devices and the detection device are all subjected to illumination of a solar simulator, so that the solar simulator generates heat, the clamped overturning platform also generates heat, the heat dissipation effect is poor, the performance test of the battery is influenced, and data inaccuracy is caused; the existing test scheme of matching the turnover platform with four probes can realize four-wire I-V measurement, but cannot effectively control the temperature of a battery to be tested.
The technical problems solved by the utility model are as follows: through the bottom anodal switching of battery to with battery top platform same one side, be convenient for connect the electricity, do not need to overturn the battery, ensure that the wiring is stable to control the temperature through connecing electric base 2 to the battery, ensure that the battery is in under the standard condition and test, improve the test accuracy.
The technical effects are realized as follows: 1. the utility model adds the conductive electricity receiving base 2, and leads the positive pole at the bottom of the battery to the top of the electricity receiving base 2, so that the positive pole and the negative pole of the battery are both positioned at the top of the platform where the rack mounting table 1 is positioned, the detection can be conveniently carried out through the detection equipment, the battery is not required to be turned over, the battery can be stably arranged, the position of the battery can be kept fixed without turning over the battery, the battery can be stably clamped and connected, the loosening of the battery contacts can be avoided, and the electricity connection can be kept continuously and stably only by simply connecting the motor;
2. the temperature conduction liquid is injected into the power receiving base 2 used by the device, the temperature of the power receiving base 2 can be reduced, the temperature of a tested battery sample is kept constant, the temperature of the surface of the battery sample can be monitored in real time through the temperature sensor 23 arranged at the top of the power receiving base 2, so that the battery can be tested under the standard temperature condition, and the accuracy of the photoelectric performance evaluation of the battery is improved;
3. the battery of this device is through the strong magnet absorption of test probe 3 bottom on frame dress platform 1 to with battery centre gripping at 2 tops of connecing the electricity, easy dismounting detects more convenient, test probe 3 and frame dress platform 1 laminating back connect the electricity with the battery, can be with battery centre gripping stable, no longer need with extra anchor clamps, simple operation.
4. The device is gold-plated on the outer surface of the power-on base 2, can effectively avoid long-term use corrosion of the power-on base 2, and is better in conductivity due to gold plating, more accurate in detection data, and similar in conductivity to copper and more stable in gold, so that the design of the power-on base 2 of the device does not influence the testing precision of a battery.
The technical scheme in the embodiment of the utility model aims to solve the problems, and the overall thought is as follows:
in order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
In the manufacturing process, a rack mounting table 1, an electric connection base 2 and a detection probe 3 are required to be manufactured;
the frame mounting table 1 is of a flat plate structure, the frame mounting table 1 is of an integral structure made of magnetic materials, can be made of martensitic stainless steel,
an avoidance groove 11 is formed in one side of the rack mounting table 1, the avoidance groove 11 is a U-shaped groove, the avoidance groove 11 penetrates through the upper surface and the lower surface of the rack mounting table 10, and the water outlet pipe 21 and the water inlet pipe 22 are positioned in the range of the height and the width of the avoidance groove 11;
the electric connection base 2 is a conductive flat plate with a hollow inside, the electric connection base 2 is embedded at the top of the rack mounting table 1, the top of the electric connection base 2 is flush with the top of the rack mounting table 1, and the electric connection base 2 is embedded at the top of the rack mounting table 1; the electricity connection base 2 is a box body made of pure copper, a closed cavity is formed in the electricity connection base 2, the outer surface of the electricity connection base 2 is plated with gold, so that the electricity connection base is convenient to be connected with the bottom positive electrode of a battery in a butt joint mode, and the positive electrode lead on the surface of the battery is connected to the top of the electricity connection base 2 at the outer edge of the battery;
a water outlet pipe 21 and a water inlet pipe 22 are arranged on one side of the electricity receiving base 2, the water outlet pipe 21 and the water inlet pipe 22 are communicated with the inner cavity of the electricity receiving base 2, and the water outlet pipe 21 and the water inlet pipe 22 are positioned in the opening of the avoidance groove 11; the water outlet pipe 21 and the water inlet pipe 22 of the electricity receiving base 2 are respectively connected with the water inlet and the water outlet of the water cooler.
The detection probe 3 is a probe of a battery detection device, the detection probe 3 can be attached to the rack mounting table 1 in a separated mode, one end of the detection probe 3 is a metal probe 31, the other end of the detection probe 3 is an external connection line 32, the detection probe 3 is provided with a plurality of detection probes, each electrode on a battery to be detected and each negative electrode on the battery to be detected can be separated are butted with the metal probe 31 of the detection probe 3, the external connection line 32 is connected with external detection equipment, a strong magnet is arranged at the bottom of the detection probe 3, and the detection probe 3 and the rack mounting table 1 are tightly adsorbed through magnetic force.
When the electric power connecting device is used, the rack mounting table 1 and the electric power connecting base 2 are in a clamping state for a long time, the rack mounting table 1 and the electric power connecting base 2 are of an integral structure, can be clamped by adhesion, welding or interference fit, and are not limited in connection mode, and only firm in connection is required.
During testing, a tested battery sample is horizontally placed on a top platform of the electric connection base 2, the electric connection base 2 is integrally a copper integral temperature control box, the upper surface is plated with gold, then the positive electrode at the bottom of the battery is attached to the top of the electric connection base 2, four detection probes 3 are attached to the rack mounting table 1, positive electrode needles I+, V+ of two metal probes 31 of two different detection probes 3 are contacted with the top edge of the electric connection base 2, the positive electrode needles I-, V-of the other two metal probes 31 are indirectly contacted with the positive electrode at the bottom of the battery, meanwhile, negative electrode needles I-, V-of the other two metal probes 31 are directly contacted with two metal negative electrode areas at the top of the tested battery sample, the four detection probes 3 are adsorbed on the rack mounting table 1 through strong magnets, the metal probes 31 are metal hard rods, the battery is fixed on the top of the electric connection base 2, the device does not need to be turned over, external connection wires 32 of each detection probe 3 are connected with a test source table according to requirements, the device is placed under a simulator, the battery is subjected to the temperature sensor, the temperature of the battery is tested by the device, and the temperature sensor is set up to the temperature sensor, the temperature performance of the battery is tested by the temperature sensor, and the temperature sensor is tested by the temperature sensor, the temperature sensor is set up to the temperature sensor, the temperature sensor is in the temperature sensor, and the temperature sensor is stable, the temperature performance of the temperature sensor is tested by the temperature sensor is tested, and the temperature sensor is tested by the temperature sensor, and the temperature sensor is tested, and the temperature test conditions of the temperature is tested and the temperature test conditions of the temperature test device is and can be tested.
While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that the specific embodiments described are illustrative only and not intended to limit the scope of the utility model, and that equivalent modifications and variations of the utility model in light of the spirit of the utility model will be covered by the claims of the present utility model.
Claims (5)
1. Solar cell characteristic test fixture, its characterized in that includes: the device comprises a rack mounting table (1), an electric connection base (2) and a detection probe (3);
the frame mounting table (1) is of a flat plate structure, and an avoidance groove (11) is formed in one side edge of the frame mounting table (1);
the electric connection base (2) is a conductive flat plate with a hollow inside, the electric connection base (2) is embedded in the top of the rack mounting table (1), a water outlet pipe (21) and a water inlet pipe (22) are arranged at one side of the electric connection base (2), the water outlet pipe (21) and the water inlet pipe (22) are communicated with the inner cavity of the electric connection base (2), and the water outlet pipe (21) and the water inlet pipe (22) are positioned in an opening of the avoidance groove (11);
the detection probe (3) is a probe of a battery detection device, the detection probe (3) is detachably attached to the rack mounting table (1), one end of the detection probe (3) is a metal probe (31), the other end of the detection probe (3) is an external connection wire (32), the detection probe (3) is provided with a plurality of electrode contacts on a detected battery, the electrode contacts can be detached and are in butt joint with the metal probe (31) of the detection probe (3), and the external connection wire (32) is connected with external detection equipment.
2. The solar cell characteristic test fixture according to claim 1, wherein: the top of the power receiving base (2) is flush with the top of the rack mounting table (1), and the power receiving base (2) is inlaid at the top of the rack mounting table (1);
the electricity receiving base (2) is a box body made of pure copper, and the outer surface of the electricity receiving base (2) is plated with gold;
the water outlet pipe (21) and the water inlet pipe (22) of the electricity receiving base (2) are respectively connected with the water inlet and the water outlet of the water cooling machine.
3. The solar cell characteristic test fixture according to claim 1, wherein: the avoidance groove (11) is a U-shaped groove, the avoidance groove (11) penetrates through the upper surface and the lower surface of the rack mounting table (1), and the water outlet pipe (21) and the water inlet pipe (22) are positioned in the range of the height and the width of the avoidance groove (11).
4. The solar cell characteristic test fixture according to claim 1, wherein: the center of the top of the power connection base (2) is also provided with a temperature sensor (23), and a data line of the temperature sensor (23) extends out of the rack mounting table (1).
5. The solar cell characteristic test fixture according to claim 1, wherein: the frame dress platform (1) is the overall structure that magnetic material made, detecting probe (3) bottom has set up strong magnet, detecting probe (3) are through magnetic force absorption with frame dress platform (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320831665.1U CN219843587U (en) | 2023-04-14 | 2023-04-14 | Solar cell characteristic test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320831665.1U CN219843587U (en) | 2023-04-14 | 2023-04-14 | Solar cell characteristic test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219843587U true CN219843587U (en) | 2023-10-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320831665.1U Active CN219843587U (en) | 2023-04-14 | 2023-04-14 | Solar cell characteristic test fixture |
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| Country | Link |
|---|---|
| CN (1) | CN219843587U (en) |
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2023
- 2023-04-14 CN CN202320831665.1U patent/CN219843587U/en active Active
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