CN216051935U - Lithium battery internal resistance measuring tool - Google Patents
Lithium battery internal resistance measuring tool Download PDFInfo
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- CN216051935U CN216051935U CN202121460615.4U CN202121460615U CN216051935U CN 216051935 U CN216051935 U CN 216051935U CN 202121460615 U CN202121460615 U CN 202121460615U CN 216051935 U CN216051935 U CN 216051935U
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- internal resistance
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Abstract
The utility model discloses a lithium battery internal resistance measuring tool, which comprises a substrate, wherein a lithium battery transverse placing plate is arranged at the upper end of the substrate, a testing head mounting plate fixedly mounted on the substrate is vertically arranged behind the lithium battery transverse placing plate, two U-shaped mounting holes are formed in the testing head mounting plate, a testing head positioned above the lithium battery transverse placing plate is mounted in each U-shaped mounting hole, and the distance between the testing heads in the two U-shaped mounting holes is adjustable.
Description
Technical Field
The utility model relates to the field of lithium battery testing, in particular to a lithium battery internal resistance testing tool.
Background
Lithium batteries are a type of battery using a nonaqueous electrolyte solution using lithium metal or a lithium alloy as a positive/negative electrode material, and can be roughly classified into two types: lithium metal batteries and lithium ion batteries; lithium ion batteries do not contain lithium in the metallic state and are rechargeable.
When the lithium battery is produced, a series of checks can be carried out before the lithium battery leaves a factory, the lithium battery leaving the factory is qualified, in the checking process, one process is used for checking the internal resistance of the lithium battery, the traditional check is that the pin of the analyzer is directly butted with the electrode of the lithium battery, although the internal resistance can be measured by adopting the mode, the pin is butted with the electrode, the time and the labor are consumed, the checking efficiency is low, the lithium battery is easy to move, and the pin is easily separated from the electrode when the lithium battery is moved.
SUMMERY OF THE UTILITY MODEL
Therefore, in order to solve the defects, the utility model provides the tool for checking the internal resistance of the lithium battery, which is reasonable in design, simple in structure and convenient to use, and can realize the fixation of the lithium batteries with different specifications, the lithium batteries are butted with the electrodes of the lithium batteries through the test head, then the external analyzer is butted with the test head, and the internal resistance analysis is further carried out through the analyzer.
The utility model is realized in such a way that a lithium battery internal resistance measuring tool is constructed, the tool comprises a base plate, a lithium battery transverse placing plate is arranged at the upper end of the base plate, a testing head mounting plate fixedly mounted on the base plate is vertically arranged behind the lithium battery transverse placing plate, two U-shaped mounting holes are formed in the testing head mounting plate, a testing head positioned above the lithium battery transverse placing plate is mounted in each U-shaped mounting hole, and the distance between the testing heads in the two U-shaped mounting holes is adjustable. Two U-shaped mounting holes of reasonable design have made things convenient for the installation of test head to also made things convenient for the adjustment of two test head intervals, in order to adapt to the lithium cell detection of more specifications.
Preferably, the lithium battery transverse placement plate is formed by stacking a plurality of base plates, and the height of the placement plate is changed according to the number or height change of the base plates; the purpose of this setting is, changes the lithium cell and transversely places the board up end height to place the contact test head that the lithium cell of different thickness can both be better.
The base plate adopts the screw connection, and the purpose of this setting is the installation and the dismantlement of the base plate of being convenient for, makes its height adjustment more convenient.
Preferably, a middle block and an outer end block which are fixedly arranged on the base plate are respectively arranged on the right side of the lithium battery transverse placing plate, a first vertical placing groove is formed between the middle block and the lithium battery transverse placing plate, and a second vertical placing groove is formed between the middle block and the outer end block; the purpose of this setting is to place lithium cell of different specifications.
And the inner sides of the first vertical placing groove and the second vertical placing groove are respectively provided with a testing head fixedly arranged on the testing head mounting plate.
The utility model has the following advantages:
the lithium battery internal resistance testing device is reasonable in design, simple in structure and convenient to use, is used for checking the internal resistance of lithium batteries, realizes fixation of the lithium batteries with different specifications, is in butt joint with electrodes of the lithium batteries through the testing head, is in butt joint with the testing head through the external analyzer, and further performs internal resistance analysis through the analyzer.
The transverse lithium battery placing plate is reasonably designed, a lithium battery placing area is formed at the upper end of the transverse lithium battery placing plate, the height of the placing area is adjustable so as to adapt to the installation of lithium batteries with more specifications, and the transverse lithium battery placing plate can be butted with a test head after the lithium batteries with more specifications are placed in the placing area; the height change of the placing area is changed through the change of the thickness or the number of the base plates, and the base plates are installed by screws, so that the base plates are convenient to install and disassemble.
Simultaneously lithium cell transversely places the top of board and passes through two U-shaped mounting holes installation test head, and two U-shaped mounting holes have made things convenient for the installation of test head to also made things convenient for the fine setting of two test head intervals, in order to adapt to the lithium cell detection of more specifications.
The reasonable first vertical placing groove and the second vertical placing groove are designed on the lateral side of the lithium battery transverse placing plate, and the testing heads fixedly installed on the testing head installing plates are arranged on the inner sides of the first vertical placing groove and the second vertical placing groove, so that the lithium batteries of more specifications or directions are convenient to fix.
The lithium battery internal resistance testing device is ingenious in structure, convenient to install and disassemble, convenient to maintain and low in cost, and can improve the efficiency of testing the internal resistance of the lithium battery by workers.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a perspective view of another aspect of the present invention;
FIG. 3 is a schematic front view of the present invention;
FIG. 4 is a schematic side view of the present invention;
FIG. 5 is a schematic top view of the present invention;
FIG. 6 is an enlarged partial schematic view of A in FIG. 2;
in the figure: 1. a substrate; 2. a test head mounting plate; 3. a lithium battery transverse placing plate; 4. a test head; 5. a middle block; 6. an outer end block; 7. u-shaped mounting hole.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 6, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.
The utility model provides a lithium battery internal resistance measuring tool through improvement, which comprises a base plate 1, wherein a lithium battery transverse placing plate 3 is arranged at the upper end of the base plate 1, a testing head mounting plate 2 fixedly mounted on the base plate 1 is vertically arranged behind the lithium battery transverse placing plate 3, two U-shaped mounting holes 7 are formed in the testing head mounting plate 2, a testing head 4 positioned above the lithium battery transverse placing plate 3 is mounted in each U-shaped mounting hole 7, and the distance between the testing heads 4 in the two U-shaped mounting holes is adjustable (as shown in fig. 6).
In the present embodiment, the lithium battery lateral placement plate 3 is formed by stacking a plurality of tie plates, and the height of the placement plate is changed according to the number or height variation of the tie plates;
and a plurality of the backing plates are connected by screws.
In the embodiment, a middle block 5 and an outer end block 6 fixedly mounted on the base plate 1 are respectively arranged on the right side of the lithium battery transverse placing plate 3, wherein a first vertical placing groove is formed between the middle block 5 and the lithium battery transverse placing plate 3, and a second vertical placing groove is formed between the middle block 5 and the outer end block 6;
the inner sides of the first vertical placing groove and the second vertical placing groove are provided with a testing head 4 fixedly installed on the testing head installing plate 2.
As shown in fig. 1 and 2, when the lithium battery testing device is used, the lithium battery testing device is placed at the upper end of the transverse placing plate of the lithium battery, or the first vertical placing groove, or the second vertical placing groove according to the type of the lithium battery, then the testing head is in butt joint with the electrode of the lithium battery, the testing probe is connected with an external analyzer, and whether the internal resistance of the lithium battery meets the requirement is analyzed through the external analyzer; in the use, the lithium cell transversely places board 3 and highly can change, according to the demand of lithium cell, can change the height that the board up end was transversely placed to the lithium cell through the backing plate of screw installation quantity to make the butt joint of lithium cell motor better with the test head, and two test head intervals that the lithium cell transversely placed the board upper end also can change, detect with the lithium cell internal resistance that adapts to more specifications.
The transverse lithium battery placing plate is reasonably designed, a lithium battery placing area is formed at the upper end of the transverse lithium battery placing plate, the height of the placing area is adjustable so as to adapt to the installation of lithium batteries with more specifications, and the transverse lithium battery placing plate can be butted with a test head after the lithium batteries with more specifications are placed in the placing area; the height change of the placing area is changed through the change of the thickness or the number of the base plates, and the base plates are installed by screws, so that the base plates are convenient to install and disassemble.
Simultaneously lithium cell transversely places the top of board and passes through two U-shaped mounting holes installation test head, and two U-shaped mounting holes have made things convenient for the installation of test head to also made things convenient for the fine setting of two test head intervals, in order to adapt to the lithium cell detection of more specifications.
The reasonable first vertical placing groove and the second vertical placing groove are designed on the lateral side of the lithium battery transverse placing plate, and the testing heads fixedly installed on the testing head installing plates are arranged on the inner sides of the first vertical placing groove and the second vertical placing groove, so that the lithium batteries of more specifications or directions are convenient to fix.
The lithium battery internal resistance testing device is ingenious in structure, convenient to install and disassemble, convenient to maintain and low in cost, and can improve the efficiency of testing the internal resistance of the lithium battery by workers.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (3)
1. The utility model provides an internal resistance frock is surveyed to lithium cell which characterized in that: the test head comprises a base plate (1), a lithium battery transverse placing plate (3) is arranged at the upper end of the base plate (1), a test head mounting plate (2) fixedly mounted on the base plate (1) is vertically arranged behind the lithium battery transverse placing plate (3), two U-shaped mounting holes (7) are formed in the test head mounting plate (2), a test head (4) located above the lithium battery transverse placing plate (3) is mounted in each U-shaped mounting hole (7), and the distance between the test heads (4) in the two U-shaped mounting holes is adjustable.
2. The lithium battery internal resistance measuring tool according to claim 1, characterized in that: the lithium battery transverse placing plate (3) is formed by stacking a plurality of base plates, and the height of the placing plate is changed according to the number or height change of the base plates;
and a plurality of the backing plates are connected by screws.
3. The lithium battery internal resistance measuring tool according to claim 1, characterized in that: a middle block (5) and an outer end block (6) which are fixedly arranged on a base plate (1) are respectively arranged on the right side of the lithium battery transverse placing plate (3), wherein a first vertical placing groove is formed between the middle block (5) and the lithium battery transverse placing plate (3), and a second vertical placing groove is formed between the middle block (5) and the outer end block (6);
and the inner sides of the first vertical placing groove and the second vertical placing groove are respectively provided with a testing head (4) fixedly installed on the testing head installing plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121460615.4U CN216051935U (en) | 2021-06-30 | 2021-06-30 | Lithium battery internal resistance measuring tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121460615.4U CN216051935U (en) | 2021-06-30 | 2021-06-30 | Lithium battery internal resistance measuring tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216051935U true CN216051935U (en) | 2022-03-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121460615.4U Active CN216051935U (en) | 2021-06-30 | 2021-06-30 | Lithium battery internal resistance measuring tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216051935U (en) |
-
2021
- 2021-06-30 CN CN202121460615.4U patent/CN216051935U/en active Active
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