CN213658849U - Battery piece grid line resistance measurement frock - Google Patents
Battery piece grid line resistance measurement frock Download PDFInfo
- Publication number
- CN213658849U CN213658849U CN202022602511.4U CN202022602511U CN213658849U CN 213658849 U CN213658849 U CN 213658849U CN 202022602511 U CN202022602511 U CN 202022602511U CN 213658849 U CN213658849 U CN 213658849U
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- China
- Prior art keywords
- probe
- grid line
- base
- sliding
- line resistance
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- 238000005259 measurement Methods 0.000 title claims abstract description 35
- 239000000523 sample Substances 0.000 claims abstract description 124
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
- 230000001681 protective Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
Abstract
The utility model relates to a photovoltaic cell technical field discloses a battery piece grid line resistance measurement frock. The battery piece grid line resistance measuring tool comprises a base, a sliding frame and a limiting assembly. The base is provided with a first probe group, and the first probe group comprises a first current probe and a first voltage probe. The sliding frame is slidably arranged on the base; the sliding frame can be fixed at any position of the base by the limiting assembly. The utility model discloses be convenient for relatively resistance value and repeated measurement with the resistance of the same grid line of length between the different grid lines of length have improved measuring accuracy, have improved practicality and convenience in use again.
Description
Technical Field
The utility model relates to a photovoltaic cell technical field especially relates to a battery piece grid line resistance measurement frock.
Background
The grid lines are used as important components of the solar cell, the function of the grid lines is mainly to lead photo-generated current in the cell to the outside of the cell, and the resistance of the grid lines is one of main components of series resistance of the cell, so that the output power of the cell is influenced. And the grid line resistance is closely related to the grid line shape design, the printing process and the slurry, and the printing process and the slurry quality can be effectively evaluated by the grid line resistance test. At present, the equipment for testing the grid line resistance is mainly a milliohmmeter, a testing end led out by the milliohmmeter is in a clamp shape, each clamp usually consists of a current probe and a voltage probe, the current probe and the voltage probe are mutually abutted under a normal state, and when the grid line resistance is tested, the current probe and the voltage probe need to be separated. In the prior art, a two-probe method or a four-probe method is usually adopted for measuring the grid line resistance, wherein the measurement result of the four-probe method is relatively accurate, namely two measurement points are determined on the grid line and are respectively contacted with the two measurement points by using two clamps, and two probes are contacted with the grid line at each measurement point. In actual measurement, a method of holding the clamp is generally used, so that errors exist in the actual measurement length between the two clamps compared with the theoretical length during each measurement, the resistance values between different grid lines with the same length are not convenient to compare, and the resistance values of the same grid line with the same length are also not convenient to repeatedly measure.
Based on this, a tool for measuring the resistance of the grid line of the battery piece is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a battery piece gate line resistance measurement frock, it can improve measuring accuracy, and good reproducibility.
To achieve the purpose, the utility model adopts the following technical proposal:
a battery piece grid line resistance measurement frock includes:
the probe comprises a base, wherein a first probe group is arranged on the base and comprises a first current probe and a first voltage probe;
the sliding frame is provided with a second probe group, the second probe group comprises a second current probe and a second voltage probe, the first current probe, the first voltage probe, the second current probe and the second voltage probe are arranged side by side at intervals so as to be capable of detecting the resistance of the same grid line together, and the sliding frame is arranged on the base in a sliding manner;
and the sliding frame can be fixed at any position of the base by the limiting assembly.
Preferably, the base includes a sliding rod, the sliding frame can slide along the sliding rod, a groove is formed in the sliding frame, and the sliding rod is arranged in the groove.
Preferably, a sliding groove is formed in the sliding rod, a pulley is rotatably arranged in the groove, and the pulley can roll along the sliding groove.
Preferably, the base further comprises a limiting block, the limiting block is arranged at one end of the sliding rod in a protruding mode, and the first current probe and the first voltage probe are fixed to the limiting block.
Preferably, the limiting assembly comprises a locking bolt, a threaded hole is formed in the sliding frame, the locking bolt is in threaded connection with the threaded hole, and the end of a screw rod of the locking bolt can abut against the sliding rod.
Preferably, a rubber pad is arranged at the end of the screw rod of the locking bolt, and the screw rod is abutted to the sliding rod through the rubber pad.
Preferably, the sliding rod is provided with a scale mark, and the scale mark can display the distance between the first current probe and the second voltage probe.
Preferably, a holding part is fixed on the base.
Preferably, the grip portion is provided with an anti-slip sleeve.
Preferably, a distance sensor is further arranged on the sliding frame, and the distance sensor can measure the distance between the first current probe and the second voltage probe.
The utility model has the advantages that: first current probe and first voltage probe are fixed on the base, and second current probe and second voltage probe are fixed on the carriage, and the carriage can slide on the base, sets up spacing subassembly again, can fix the carriage on the optional position of base. When the grid line resistance is measured, the battery piece is placed on a plane, the grid line of the battery piece is made to be horizontal, the sliding frame slides on the base, the sliding frame is moved to a proper position on the base according to the preset measurement length between two measurement points on the grid line, the sliding frame is fixed by the limiting assembly, finally, the first current probe and the first voltage probe are placed at one measurement point, the second current probe and the second voltage probe are placed at the other measurement point, the first current probe, the first voltage probe, the second current probe and the second voltage probe are simultaneously contacted with the grid line, and the measurement of the grid line resistance is completed. The resistance measuring tool for the grid lines of the battery piece is convenient for comparing the resistance values between different grid lines with the same length and repeatedly measuring the resistance of the same grid line with the same length, so that the measuring accuracy is improved, the practicability and the use convenience are improved, the operation process is simplified, and the repeatability is good.
Drawings
Fig. 1 is a schematic structural diagram of a first view angle of a battery cell gate line resistance measurement tool according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a second view angle of the battery cell gate line resistance measurement tool according to the embodiment of the present invention;
fig. 3 is a cross-sectional view of a battery cell gate line resistance measurement tool provided by the embodiment of the invention.
In the figure:
1. a base; 11. a limiting block; 12. a slide bar; 121. a chute;
2. a carriage; 21. locking the bolt; 22. a pulley;
3. a first set of probes; 31. a first current probe; 32. a first voltage probe;
4. a second set of probes; 41. a second current probe; 42. a second voltage probe;
5. scale lines;
6. a grip portion.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solutions adopted by the present invention and the technical effects achieved by the present invention clearer, the following will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
The embodiment provides a battery piece grid line resistance measurement frock, is convenient for compare the resistance value between the different grid lines of same length and the resistance of repeated measurement same grid line of same length, has improved measuring accuracy, has improved practicality and convenience of use again.
Specifically, as shown in fig. 1-2, the cell grid resistance measuring tool comprises a base 1, a sliding frame 2 and a limiting assembly. The base 1 is provided with a first probe group 3, and the first probe group 3 comprises a first current probe 31 and a first voltage probe 32. Be equipped with second probe group 4 on the carriage 2, second probe group 4 includes second current probe 41 and second voltage probe 42, and first current probe 31, first voltage probe 32, second current probe 41 and second voltage probe 42 set up side by side at an interval to can detect the resistance of same grid line jointly, carriage 2 slidable sets up on base 1. The limiting assembly can fix the sliding frame 2 at any position of the base 1. The first current probe 31 and the first voltage probe 32 are fixed on the base 1, the second current probe 41 and the second voltage probe 42 are fixed on the sliding frame 2, and the sliding frame 2 can slide on the base 1, and a limiting component is arranged to fix the sliding frame 2 at any position of the base 1. When measuring the resistance of the grid line, the battery piece is placed on a plane, the grid line of the battery piece is made to be horizontal, the sliding frame 2 slides on the base 1, the sliding frame 2 is moved to a proper position on the base 1 according to a preset measurement length between two measurement points on the grid line, the sliding frame 2 is fixed by using a limiting assembly, finally, the first current probe 31 and the first voltage probe 32 are placed at one measurement point, the second current probe 41 and the second voltage probe 42 are placed at the other measurement point, and the first current probe 31, the first voltage probe 32, the second current probe 41 and the second voltage probe 42 are simultaneously contacted with the grid line, so that the measurement of the resistance of the grid line is completed. The resistance measuring tool for the grid lines of the battery piece is convenient for comparing the resistance values between different grid lines with the same length and repeatedly measuring the resistance of the same grid line with the same length, so that the measuring accuracy is improved, the practicability and the use convenience are improved, the operation process is simplified, and the repeatability is good. In the present embodiment, the first current probe 31, the first voltage probe 32, the second current probe 41 and the second voltage probe 42 are all electrically connected to the same milliohmmeter.
Preferably, the base 1 is fixed with the holding part 6, so that a measurer can hold the tool and measure the resistance conveniently, the practicability is improved, and the operation process is simplified. In this embodiment, the holding portion 6 is a C-shaped handle for manual holding. In addition, the base 1 can be made of light materials, so that the lifting operation is convenient. In other embodiments, the holding portion 6 may also be T-shaped, or a plurality of holding portions may be provided on the base 1, which is not limited herein. Preferably, the holding part 6 is provided with anti-slip lines or anti-slip sleeves to avoid the tool slipping.
In the present embodiment, the first current probe 31 and the second current probe 41 are disposed between the first voltage probe 32 and the second voltage probe 42, and in other embodiments, the first voltage probe 32 and the second voltage probe 42 may also be disposed between the first current probe 31 and the second current probe 41, which is not limited herein.
In other embodiments, the first current probe 31, the first voltage probe 32, the second current probe 41 and the second voltage probe 42 may be further sleeved with a protective insulating sleeve at a side close to the base 1, and a side far from the base 1 extends out of the protective insulating sleeve for contacting with the gate line.
Specifically, the base 1 comprises a sliding rod 12, the sliding frame 2 can slide along the sliding rod 12, a groove is formed in the sliding frame 2, the sliding rod 12 is arranged in the groove, and the groove is matched with the sliding rod 12, so that the sliding structure is simplified.
Further, the base 1 further includes a stopper 11, the stopper 11 is convexly disposed at one end of the sliding rod 12, specifically, on a contact surface between the sliding rod 12 and the sliding rack 2, and the first current probe 31 and the first voltage probe 32 are fixed on the stopper 11. Carriage 2 can keep away from or be close to stopper 11 along slide bar 12, and stopper 11 has spacing carriage 2's effect, has avoided carriage 2 to break away from slide bar 12, can also fix first current probe 31 and first voltage probe 32 simultaneously, has improved the practicality.
In this embodiment, the stopper 11 and the sliding rod 12 form an L-shape, the first current probe 31 and the first voltage probe 32 are fixed on the bottom surface of the stopper 11 at intervals, and the second current probe 41 and the second voltage probe 42 are fixed on the bottom surface of the carriage 2.
In other embodiments, as shown in fig. 3, the sliding rod 12 is provided with a sliding groove 121, the sliding wheel 22 is rotatably disposed in the groove of the sliding frame 2, the sliding wheel 22 can roll along the sliding groove 121, and the sliding wheel 22 and the sliding groove 121 are disposed, so that the sliding frame 2 can slide along the sliding rod 12, and the accuracy of resistance measurement is improved.
Preferably, the stop assembly comprises a locking bolt 21. Set up threaded hole on the carriage 2, locking bolt 21 spiro union in threaded hole, and the screw rod tip of locking bolt 21 can butt on slide bar 12, when carriage 2 slides to the suitable position on slide bar 12, screws up locking bolt 21, can fix the optional position on slide bar 12 with carriage 2, when carriage 2 is removed to needs, unscrews locking bolt 21, can remove carriage 2 on slide bar 12.
Preferably, the screw end of the locking bolt 21 is provided with a rubber pad, and the screw abuts against the sliding rod 12 through the rubber pad, so that the friction force is increased, the sliding rod 12 can be protected, and the maintenance cost is reduced.
Preferably, the slide rod 12 is provided with a scale mark 5, and the scale mark 5 can display the distance between the first current probe 31 and the second voltage probe 42, so that the distance between two measuring points on the grid line can be conveniently displayed, and the practicability is improved. In other embodiments, the graduation mark 5 may also display the distance between the first voltage probe 32 and the second current probe 41, or the distance between the middle point of the connection line of the first current probe 31 and the first voltage probe 32 and the middle point of the connection line of the second current probe 41 and the second voltage probe 42, and the distance between the two measurement points on the grid line may be expressed, which is not limited herein.
Further, a distance sensor is provided on the carriage 2, and the distance sensor is capable of measuring the distance between the first current probe 31 and the second voltage probe 42. In addition, a display screen can be arranged on the base 1 to display the measured value of the distance sensor, and therefore practicability and measurement accuracy are further improved.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a battery piece grid line resistance measures frock which characterized in that includes:
the probe device comprises a base (1), wherein a first probe group (3) is arranged on the base (1), and the first probe group (3) comprises a first current probe (31) and a first voltage probe (32);
the second probe group (4) is arranged on the sliding frame (2), the second probe group (4) comprises a second current probe (41) and a second voltage probe (42), the first current probe (31), the first voltage probe (32), the second current probe (41) and the second voltage probe (42) are arranged side by side at intervals so as to be capable of detecting the resistance of the same grid line together, and the sliding frame (2) is arranged on the base (1) in a sliding manner;
the limiting assembly can fix the sliding frame (2) at any position of the base (1).
2. The battery piece grid line resistance measuring tool according to claim 1, wherein the base (1) comprises a sliding rod (12), the sliding frame (2) can slide along the sliding rod (12), a groove is formed in the sliding frame (2), and the sliding rod (12) is placed in the groove.
3. The battery cell grid line resistance measuring tool according to claim 2, wherein a sliding groove (121) is formed in the sliding rod (12), a pulley (22) is rotatably arranged in the groove, and the pulley (22) can roll along the sliding groove (121).
4. The battery piece grid line resistance measurement tool according to claim 2, wherein the base (1) further comprises a limiting block (11), the limiting block (11) is arranged at one end of the sliding rod (12) in a protruding mode, and the first current probe (31) and the first voltage probe (32) are fixed on the limiting block (11).
5. The battery piece grid line resistance measuring tool according to claim 2, wherein the limiting component comprises a locking bolt (21), a threaded hole is formed in the sliding frame (2), the locking bolt (21) is screwed in the threaded hole, and the end of the screw of the locking bolt (21) can abut against the sliding rod (12).
6. The battery grid resistance measurement tool according to claim 5, wherein a rubber pad is arranged at the end of the screw of the locking bolt (21), and the screw is abutted with the sliding rod (12) through the rubber pad.
7. The battery piece grid line resistance measurement tool according to claim 2, wherein a scale mark (5) is arranged on the sliding rod (12), and the scale mark (5) can display the distance between the first current probe (31) and the second voltage probe (42).
8. The battery cell grid line resistance measuring tool according to claim 1, wherein a holding part (6) is fixed on the base (1).
9. The tool for measuring the grid resistance of the battery cell according to claim 8, wherein an anti-slip sleeve is arranged on the holding part (6).
10. The battery piece grid line resistance measuring tool according to any one of claims 1 to 9, wherein a distance sensor is further arranged on the sliding frame (2), and the distance sensor can measure the distance between the first current probe (31) and the second voltage probe (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022602511.4U CN213658849U (en) | 2020-11-11 | 2020-11-11 | Battery piece grid line resistance measurement frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022602511.4U CN213658849U (en) | 2020-11-11 | 2020-11-11 | Battery piece grid line resistance measurement frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213658849U true CN213658849U (en) | 2021-07-09 |
Family
ID=76707787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022602511.4U Expired - Fee Related CN213658849U (en) | 2020-11-11 | 2020-11-11 | Battery piece grid line resistance measurement frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213658849U (en) |
-
2020
- 2020-11-11 CN CN202022602511.4U patent/CN213658849U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210709 Termination date: 20211111 |