CN218782385U - Measuring device for voltage and internal resistance of cylindrical cell - Google Patents
Measuring device for voltage and internal resistance of cylindrical cell Download PDFInfo
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- CN218782385U CN218782385U CN202221557496.9U CN202221557496U CN218782385U CN 218782385 U CN218782385 U CN 218782385U CN 202221557496 U CN202221557496 U CN 202221557496U CN 218782385 U CN218782385 U CN 218782385U
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- internal resistance
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- 230000005611 electricity Effects 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 239000000428 dust Substances 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000005259 measurement Methods 0.000 abstract description 21
- 238000000034 method Methods 0.000 abstract description 6
- 238000005096 rolling process Methods 0.000 abstract description 2
- 238000011326 mechanical measurement Methods 0.000 abstract 1
- 238000005192 partition Methods 0.000 description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a cylindrical cell voltage and internal resistance measuring device, which comprises a main control box, a storage box and a connecting wire; the main control box is provided with at least two conductive first jacks; the storage box is provided with a groove for fixing the cylindrical core, and the storage box is provided with at least two conductive second jacks; the connecting wires can be inserted into the first jack and the second jack, and at least two connecting wires are arranged; after the connecting wire is inserted into the first jack and the second jack, the anode or the cathode of the cylindrical battery cell is connected with the main control box. The utility model can fix the cylindrical battery cell, prevent the cylindrical battery cell from rolling in the measuring process, and make the measuring process more stable; and the whole process of mechanical measurement can avoid errors caused by manual measurement.
Description
Technical Field
The utility model relates to a lithium cell technical field especially relates to a cylinder electricity core voltage internal resistance measuring device.
Background
The cylindrical battery cell is increasingly widely applied in the market due to the stability of the cylindrical battery cell, and the voltage internal resistance of the cylindrical battery cell can visually reflect the basic performance parameters of the cylindrical battery cell.
However, the cylindrical battery is easy to roll when horizontally placed due to the special structure of the cylindrical battery. When the polarity is measured, manual measurement is usually performed, and only a single battery cell can be measured in each measurement, so that manual measurement errors exist, and the measurement efficiency is low; the measuring instrument that uses, connecting wire usually take the gold nib, and is with high costs, maintain difficultly, finishes using the back, puts occupation space.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem who exists among the background art, the utility model provides a cylinder electricity core voltage internal resistance measuring device.
The utility model provides a pair of cylinder electricity core voltage internal resistance measuring device, include: comprises a main control box, a storage box and a connecting wire;
the main control box belongs to the prior art, and discloses a voltage internal resistance tester in a lithium battery voltage internal resistance tester with the publication number of CN209821284U, wherein the main control box has the same functions as the voltage internal resistance tester, the main control box is provided with conductive first jacks, two first jacks form a group, and at least one group of first jacks is arranged;
the storage box is provided with a groove, the groove is used for fixing the cylindrical battery core, the groove can be a compartment surrounded by a baffle plate arranged on the storage box, and also can be a U-shaped groove matched with the cylindrical battery in size, the storage box is provided with second jacks capable of conducting electricity, two second jacks are in one group, and at least one group of the second jacks is arranged;
the connecting wires can be inserted into the first jack and the second jack, after the connecting wires are inserted into the first jack and the second jack, the main control box is connected with the anode or the cathode of the cylindrical battery cell, the two connecting wires form a group, and at least one group of connecting wires is arranged;
after one connecting wire is inserted into one first jack and one second jack, the positive pole of one cylindrical battery cell is connected with the main control box, and after the other connecting wire is inserted into the other first jack and the other second jack, the negative pole of one cylindrical battery cell is connected with the main control box, so that a closed measuring loop is formed.
Preferably, the groove is opened on an upper surface of the storage box.
Preferably, the number of the slots is multiple, and each slot is used for placing one cylindrical battery cell.
Preferably, the first jacks are provided in multiple groups, one of the first jacks in each group is used for connecting the positive electrode of one cylindrical battery cell, and the other first jack is used for connecting the negative electrode of one cylindrical battery cell.
Preferably, the second jacks are provided in multiple groups, one of the second jacks in each group is used for connecting the positive electrode of one cylindrical battery cell, and the other second jack is used for connecting the negative electrode of one cylindrical battery cell.
Preferably, the connecting wires are provided with a plurality of groups, one connecting wire in each group of connecting wires is used for connecting the anode of the cylindrical battery cell with the main control box, and the other connecting wire is used for connecting the cathode of the cylindrical battery cell with the main control box.
Preferably, the storage box is provided with an elastic part, one end of the elastic part is connected with the second jack, the other end of the elastic part is connected with the anode or the cathode of the cylindrical battery cell placed in the storage box, the elastic part can conduct electricity, and the elastic part can be a spring or a corrugated pipe.
Preferably, the elastic member is compressible in the axial direction of the cylindrical cell by the positive electrode or the negative electrode of the cylindrical cell.
Preferably, the storage box is further mounted with a metal gasket mounted between the second insertion hole and the elastic member and used to make the second insertion hole and the elastic member electrically conductive.
Preferably, the main control box is opened there is open structure, open structure is used for holding the case with connecting wire, the case with connecting wire can pass through open structure puts into in the main control box, open structure can be opened the dead slot of main control box side, also can be opened the lid of main control box.
Preferably, the main control box further comprises a dust-proof member, the dust-proof member can cover the surface of the first jack and prevent dust from entering the first jack, and the dust-proof member may be a dust-proof cover or a cover plate.
Preferably, the connecting wires are connected with the first jack and the second jack in a plug-in type mode.
Preferably, the plug of connecting wire is cylindrical fretwork plug, can increase the contact surface of plug and cylinder electricity core, and electrically conductive effect is better.
Preferably, the main control box is provided with a display screen, and the display screen can display multiple groups of measurement data.
Preferably, an adjusting button is mounted on the control panel, and the adjusting button is used for adjusting the measuring range.
Preferably, the control panel is provided with a selection button, and the selection button is used for selecting whether to measure the voltage or the internal resistance.
Preferably, the control panel is provided with a zero setting button, and the zero setting button is used for zero setting to avoid influence of previous measurement results or external factors on the measurement results.
Compared with the prior art, the technical scheme has the following beneficial effects: the utility model comprises a main control box, a connecting wire and a storage box, wherein the storage box can fix a cylindrical battery cell, so that the battery cell does not roll in the measuring process; the traditional gold pen point contact type connection mode is avoided between the cylindrical battery cell and the main control box, and the plug-in type connection mode is adopted, so that the contact point is more stable; the whole process is mechanically measured, so that errors caused by manual measurement are avoided; after measurement, the storage box and the connecting wires can be placed in the main control box, so that the aging of components is prevented, and the space is saved; and multiple groups of data can be measured simultaneously, and the measurement efficiency is improved.
Drawings
Fig. 1 is a structural diagram of a main control box of a cylindrical cell measuring device;
fig. 2 is a structural view of a storage box of the cylindrical cell measuring device;
fig. 3 is a connecting wire of the cylindrical cell measuring device.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar designations denote like or similar elements or elements having like or similar functionality throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and are not to be construed as limiting the present invention.
It is to be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In the present application, unless expressly stated or limited otherwise, a first feature "on" or "under" a second feature may be directly contacting the second feature or the first and second features may be indirectly contacting the second feature through intervening media. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In order to better understand the technical solutions of the present invention, the following detailed descriptions will be provided with reference to the drawings and the detailed description.
Referring to fig. 1 to fig. 3, the utility model provides a cylinder electricity core voltage internal resistance measuring device, include: main control box, case and connecting wire.
Referring to fig. 1, the utility model provides a cylinder electricity core voltage internal resistance measuring device's main control box, include: the display screen comprises a control panel, a display screen 1, a cover plate 2 and a rectangular empty slot 3;
the control panel is arranged on the front surface of the main control box, is provided with a conductive first jack 4, and is provided with a voltage selection button 5, an internal resistance selection button 6, a zero setting button 7 and an adjusting button 8; the first jacks 4 are multiple, each two first jacks 4 are in one group and are arranged in the same row, one first jack 4 of the two first jacks 4 in each group is used for connecting the positive electrode of the cylindrical battery cell, and the other first jack 4 is used for connecting the negative electrode of the cylindrical battery cell; the voltage selection button 5 is used for selecting a measurement voltage; the internal resistance selection button 6 is used for selecting and measuring internal resistance; the zero setting button 7 is used for zero setting, so that the influence of the previous measurement result or external factors on the measurement result is avoided; the adjusting button 8 is used for adjusting the measuring range;
the display screen 1 is arranged on the upper surface of the main control box and used for displaying the measurement results of the voltage and the internal resistance, and the display screen 1 can simultaneously display a plurality of groups of measurement data, so that the measurement results of uniform batches of cylindrical battery cells are visually compared;
the left side of the cover plate 2 is rotatably arranged on the left side of the control panel, the right side of the inner side of the cover plate 2 is provided with a buckle 9, the cover plate 2 can cover the control panel after measurement is finished, and the buckle 9 is buckled to prevent dust from entering the first jack 4;
the rectangular empty slots 3 are formed in the left side and the right side of the main control box, and the storage box and the connecting wires can be placed into the main control box through the rectangular empty slots 3.
Referring to fig. 2, the utility model provides a cylinder electricity core voltage internal resistance measuring device's case, include: the first baffle plate 10, the second baffle plate 11, the partition plate 12, the second jack 13 and the spring 14;
the first baffle plate 10 and the second baffle plate 11 are completely identical, are vertically arranged at two ends of the bottom surface of the storage box, and are opposite and parallel in side surface;
the plurality of partition plates 12 are vertically arranged on the bottom surface of the storage box, each partition plate 12 is arranged at equal intervals and is perpendicular to the side surface of each baffle plate, and two ends of each partition plate 12 are respectively connected with the first baffle plate 10 and the second baffle plate 11;
a plurality of compartments are defined among the first baffle plate 10, the second baffle plate 11 and the partition plates 12, each compartment is used for placing a cylindrical battery cell, and the partition plates 12 can fix the cylindrical battery cells in the compartments and prevent the cylindrical battery cells from rolling left and right;
each compartment is provided with two second jacks 13, one second jack 13 of the two second jacks 13 is arranged on the side surface of the first baffle 10 of the compartment, the other second jack 13 is arranged on the side surface of the second baffle 11, every two second jacks 13 form a group, one second jack 13 of each group of second jacks 13 is used for connecting the anode of the cylindrical battery core, and the other second jack 13 is used for connecting the cathode of the cylindrical battery core;
the springs 14 are mounted on the inner sides of the first baffle 10 and the second baffle 11 of each compartment, the number of the springs 14 is consistent with that of the second jacks 13, one end of each spring 14 is connected with the second jack 13 and can be in contact with the positive pole or the negative pole of a cylindrical battery cell, metal gaskets are mounted between the springs 14 and the second jacks 13, the metal gaskets can enable the second jacks 13 and the springs 14 to conduct electricity, the springs 14 can elastically deform along the axial direction of the cylindrical battery cell, and the cylindrical battery cell is embedded into the compartment through the compression springs 14 and can also be taken out of the compartment.
Referring to fig. 3, the utility model provides a cylinder electricity core voltage internal resistance measuring device's connecting wire, include: two plugs 15 and wires 16; the two plugs 15 are connected by a wire 16, the two plugs 15 can be inserted into the first jack 4 or the second jack 13, and the plugs 15 can be contacted with the positive electrode or the negative electrode of the cylindrical battery cell after being inserted into the second jack 13; every two connecting wires are in one group, one connecting wire in each group of connecting wires can connect the positive electrode of the cylindrical battery cell with the main control box, and the other connecting wire can connect the negative electrode of the cylindrical battery cell with the main control box, so that a closed measuring loop is formed.
In the concrete working process of the device for measuring voltage and internal resistance of the cylindrical battery cell of the embodiment, the cylindrical battery cell to be measured is placed into the compartment, the positive electrode and the negative electrode compression spring 14 of the cylindrical battery cell, the spring 14 and the partition plate 12 are fixed, and the cylindrical battery cell is stable and does not roll. During measurement, two plugs 15 of the connecting wire are respectively connected with the first jack 4 and the second jack 13, so that the main control box and the storage box are connected; after the second jacks of the first baffle 10 and the second baffle 11 of each compartment are connected with each group of first jacks 4, a plurality of complete measuring loops can be formed; and observing a plurality of groups of measurement data by using the display screen 1, and visually comparing measurement results of the same batch of battery cores. After the test is finished, covering the cover plate 2 on the surface of the control panel and buckling the buckle 9 to prevent dust from entering the first jack 4; and the storage box and the connecting wire are put into the main control box through the rectangular empty groove 3, thereby saving space and preventing the storage box and the connecting wire from falling ash.
The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.
Claims (10)
1. The utility model provides a cylinder electricity core voltage internal resistance measuring device which characterized in that includes: comprises a main control box, a storage box and a connecting wire;
the main control box is provided with first jacks capable of conducting electricity, two first jacks form a group, and at least one group of first jacks is arranged;
the storage box is provided with a groove for fixing the cylindrical electric cores, the storage box is provided with second electric jacks capable of conducting electricity, two second electric jacks form a group, and at least one group of second electric jacks is arranged;
the connecting wires can be inserted into the first jack and the second jack, after the connecting wires are inserted into the first jack and the second jack, the main control box is connected with the anode or the cathode of the cylindrical battery cell, the two connecting wires form a group, and at least one group of connecting wires is arranged;
after one connecting wire is inserted into one first jack and one second jack, the positive pole of one cylindrical battery cell is connected with the main control box, and after the other connecting wire is inserted into the other first jack and the other second jack, the negative pole of one cylindrical battery cell is connected with the main control box, so that a closed measuring loop is formed.
2. The cylindrical cell voltage internal resistance measuring device according to claim 1, wherein the groove is formed in an upper surface of the storage box.
3. The cylindrical cell voltage internal resistance measuring device according to claim 1, wherein a plurality of the slots are provided, and each slot is used for fixing one cylindrical cell.
4. The cylindrical cell voltage internal resistance measuring device according to claim 3, wherein the first jacks are provided in multiple groups, one of the first jacks in each group is used for connecting an anode of a cylindrical cell, and the other first jack is used for connecting a cathode of the cylindrical cell.
5. The cylindrical cell voltage internal resistance measuring device according to claim 3, wherein the second jacks are provided in multiple groups, one of the second jacks in each group is used for connecting an anode of one of the cylindrical cells, and the other second jack is used for connecting a cathode of one of the cylindrical cells.
6. The device for measuring voltage and internal resistance of a cylindrical cell of claim 3, wherein the connecting wires are arranged in multiple groups, one connecting wire in each group of connecting wires is used for connecting the positive electrode of one cylindrical cell with the main control box, and the other connecting wire is used for connecting the negative electrode of one cylindrical cell with the main control box, so as to form a closed measuring loop.
7. The device for measuring voltage and internal resistance of a cylindrical battery cell according to claim 1, wherein the storage box is provided with an elastic member, one end of the elastic member is connected with the second jack, the other end of the elastic member is connected with the positive electrode or the negative electrode of the cylindrical battery cell placed in the storage box, the elastic member can elastically deform along the axial direction of the cylindrical battery cell, and the elastic member is conductive.
8. The device for measuring voltage and internal resistance of a cylindrical cell of claim 7, wherein the storage box is further installed with a metal gasket, and the metal gasket is installed between the second jack and the elastic member and is used for making the second jack and the elastic member conductive.
9. The device for measuring voltage and internal resistance of cylindrical cell of claim 1, wherein the main control box is opened with an opening structure for accommodating the storage box and the connecting wire.
10. The device for measuring voltage and internal resistance of a cylindrical cell of claim 1, wherein the main control box further comprises a dust-proof member, and the dust-proof member can cover the surface of the first insertion hole to prevent dust from entering the first insertion hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221557496.9U CN218782385U (en) | 2022-06-21 | 2022-06-21 | Measuring device for voltage and internal resistance of cylindrical cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221557496.9U CN218782385U (en) | 2022-06-21 | 2022-06-21 | Measuring device for voltage and internal resistance of cylindrical cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218782385U true CN218782385U (en) | 2023-03-31 |
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ID=85707260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221557496.9U Active CN218782385U (en) | 2022-06-21 | 2022-06-21 | Measuring device for voltage and internal resistance of cylindrical cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218782385U (en) |
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2022
- 2022-06-21 CN CN202221557496.9U patent/CN218782385U/en active Active
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