CN218765459U - Device for measuring volume of battery cell - Google Patents
Device for measuring volume of battery cell Download PDFInfo
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- CN218765459U CN218765459U CN202222033106.4U CN202222033106U CN218765459U CN 218765459 U CN218765459 U CN 218765459U CN 202222033106 U CN202222033106 U CN 202222033106U CN 218765459 U CN218765459 U CN 218765459U
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- test water
- sliding rod
- flat plate
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Abstract
The utility model provides a device for measuring the volume of an electric core, belonging to the measurement field; the device comprises a mobile platform, an electric heating device, a test water tank, a support column and a measuring assembly; the electric heating device is arranged above the moving platform, the test water tank is arranged above the electric heating device, the electric heating device is used for heating the test water tank, and the test water tank is used for accommodating the battery cell; the support column is mounted to the mobile platform, and the measurement assembly is connected to the support column to enable the measurement assembly to be fixed to the mobile platform, and the measurement assembly is used for enabling measurement of the battery cell. The utility model discloses testing arrangement operating procedure is simple, is applicable to and measures various shape objects, and is efficient.
Description
Technical Field
The utility model belongs to the measurement field especially relates to a device for measuring electric core volume.
Background
To the measuring method of electric core volume, prior art adopts slide caliper rule to measure length, width, height of object mostly, then calculates numerical value and reachs the volume, when forming by multiple material to irregular object or object structure, need use multiple measuring tool to go on, and operating procedure increases, and the error accumulation increases, and work efficiency is low. In addition, for the deformation object, the measuring tools such as calipers are used, deformation and damage are easily caused, so that data fluctuation is large, the obtained volume deviation is large, and certain safety risk exists. In the prior art, the size of an irregular battery cell cannot be measured quickly; for the expanded and deformed battery core, the size fluctuation is measured by a vernier caliper; the measured electrical core must be run from room temperature, as opposed to the volume under actual test conditions.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a device for measuring electric core volume, and the test procedure only uses same kind of instrument, and operating procedure is simple, and is efficient.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a device for measuring the volume of a battery cell comprises a mobile platform, an electric heating device, a test water tank, a support column and a measuring assembly;
the electric heating device is arranged above the moving platform, the test water tank is arranged above the electric heating device, the electric heating device is used for heating the test water tank, and the test water tank is used for accommodating the battery cell;
the support column is mounted to the mobile platform, and the measurement assembly is connected to the support column to enable the measurement assembly to be fixed to the mobile platform, and the measurement assembly is used for enabling measurement of the battery cell.
Furthermore, the measuring assembly comprises a sliding rod, a fixed flat plate, a tension meter and a bearing tray, wherein one end of the sliding rod is connected to the supporting column through a bearing so as to realize the rotation of the sliding rod relative to the supporting column; the other end of the sliding rod is sleeved with the first end of the fixed flat plate, the fixed flat plate can slide on the sliding rod, and the fixed flat plate and the sliding rod can be fixedly connected through a fastening bolt; the second end of the fixed flat plate is connected to the bearing tray through a tension meter.
Further, the device for measuring the cell volume further comprises a temperature sensor.
Furthermore, the material of test water tank is the stainless steel, just test water tank internal surface is equipped with the teflon insulating layer.
Further, the tray is used for bearing the battery cell, and a Teflon insulating layer is arranged on the surface of the tray.
Furthermore, the moving platform is provided with a handrail.
Further, the liquid in the test water tank is deionized water without conductivity.
Furthermore, the axes of the support column and the slide rod are perpendicular to each other, and the axes of the support column and the fixed flat plate are parallel to each other.
Further, the number of the fastening bolts is at least two.
Furthermore, the tip of slide bar is equipped with limit structure, limit structure is used for avoiding fixed flat board drops.
Compared with the prior art, a device for measuring electricity core volume have following advantage:
(1) A device for measuring electric core volume, easy operation is applicable to and measures various shape objects, and is efficient.
(2) The device for measuring the volume of the battery cell can directly read data and has small error; and the tension meter can test the tiny change of the battery cell volume, and the measurement precision is high.
(3) A device for measuring electric core volume, can simulate under the uniform temperature, measure the true volume of electric core.
Drawings
The accompanying drawings, which form a part of the present disclosure, are included to provide a further understanding of the present disclosure, and are incorporated in and constitute a part of this specification, illustrate embodiments of the present disclosure and together with the description serve to explain the present disclosure. In the drawings:
fig. 1 is a schematic diagram of an apparatus for measuring a cell volume according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of a device for measuring cell volume according to an embodiment of the present invention.
Description of the reference numerals:
1. a mobile platform; 2. an electric heating device; 21. a temperature sensor; 3. testing the water tank; 4. a support pillar; 5. a measurement assembly; 51. a slide bar; 52. fixing the flat plate; 53. a tension meter; 54. a receiving tray; 55. and fastening the bolt.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
A device for measuring the volume of a battery cell, as shown in fig. 1-2, comprises a mobile platform 1, an electric heating device 2, a test water tank 3, a support column 4 and a measuring assembly 5. Electric heater unit 2 arranges the top of moving platform 1 in, and electric heater unit 2's top is arranged in to test water tank 3, and electric heater unit 2 is used for heating test water tank 3, test water tank 3 is used for the holding electricity core. Specifically, the electric heating device 2 is configured to heat the solution in the test water tank 3, so as to heat the battery cell, thereby simulating a volume of the battery cell at a true temperature. The support column 4 is installed to the mobile platform 1, and the measurement component 5 is connected to the support column 4 to realize fixing the measurement component 5 to the mobile platform 1, and the measurement component 5 is used for realizing the measurement to electric core.
Preferably, the measuring assembly 5 comprises a sliding rod 51, a fixed flat plate 52, a tension meter 53 and a bearing tray 54, one end of the sliding rod 51 is connected to the supporting column 4 through a bearing so as to realize the rotation of the sliding rod 51 relative to the supporting column 4, the other end of the sliding rod 51 is sleeved with the first end of the fixed flat plate 52, the fixed flat plate 52 can slide on the sliding rod, and the fixed connection between the fixed flat plate 52 and the sliding rod 51 can be realized through a fastening bolt 55; the second end of the fixed plate 52 is connected to the receiving tray 54 by a tension meter. The bearing tray 54 is used for bearing the electric core, and a Teflon insulating layer is arranged on the surface of the bearing tray 54 to prevent the external short circuit of the tested electric core.
Preferably, the device for measuring the cell volume further comprises a temperature sensor 21, the electric heating device 2 and the temperature sensor 21 are both connected to the controller, the temperature sensor 21 is used for monitoring the temperature of the test water tank 3 in real time and transmitting the temperature to the controller, and the electric heating device 2 receives a signal of the controller to heat/keep warm the test water tank.
Preferably, the material of test water tank 3 is stainless steel, and test water tank 3 internal surface is equipped with the teflon insulating layer.
Preferably, the moving platform 1 is provided with a handrail, so that the moving platform 1 can be conveniently pushed.
Preferably, the liquid in the test water tank 3 is deionized water having no conductivity.
Preferably, the axes of the supporting column 4 and the sliding rod 51 are perpendicular to each other, and the axes of the supporting column 4 and the fixed flat plate 52 are parallel to each other; the position relation is replaced, and the battery cell is convenient to measure on the mobile platform 1.
Preferably, the number of the fastening bolts 55 is at least two, so that the connection stability between the fixed flat plates 52 of the slide rod 51 is improved; preferably, the end of the sliding rod 51 is provided with a limiting structure, and the limiting structure is used for preventing the fixing flat plate 52 from falling off.
By adopting the device, the existing electric core volume measurement method can be changed. First, the cell is placed on the receiving tray 54 of the measuring assembly 5, and when the cell is not placed in water, the gravity of the cell is measured by using a tension meter, which is marked as G Article (A) (ii) a Then, completely immersing the battery cell into the test water tank 3, reading the tension value of the tension meter at the moment, and recording as F Pulling device ；F Floating body ＝G Article (A) -F Pulling device (G Article (A) Denotes the weight of the cell, F Pulling device Representing the cell tensile value measured in a liquid); using Archimedes' principle, i.e. F Floating body ＝G Liquid drainage ＝m Liquid drainage .g＝g.V Row board .ρ Liquid for treating urinary tract infection (V Row board Representing the volume of liquid displaced by the object), the volume of the object to be measured (i.e., the cell) is calculated by the above formula. In order to reflect the volume change of the battery core at the actual temperature, the test water tank 3 can be heated by the electric heating device 2. The test process using the measuring device does not apply any mechanical stress to the battery cell and has no influence on the state of the battery cellAny damage can be caused, and the method can be suitable for volume measurement of various battery cores; the solution can be used for many times, and the temperature can be adjusted; using a high precision tension meter, small changes in volume can be measured.
The measuring device of the utility model can quickly obtain data, and no liquid overflows in the testing process; the damage of external acting force to the battery cell is not required to be considered in the process. The solution adopts deionized water, the conductivity is almost zero, and the safety of the test process is improved; the solution submerges the battery core in the measuring process, the external force exerted on the battery core by the solution can be almost ignored, and the tested numerical value is close to the true value. By adopting the scheme of the application, various calipers can be completely replaced and used, and the operation steps are greatly reduced.
The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A device for measuring cell volume, characterized in that: the device comprises a mobile platform, an electric heating device, a test water tank, a support column and a measuring assembly;
the electric heating device is arranged above the moving platform, the test water tank is arranged above the electric heating device, the electric heating device is used for heating the test water tank, and the test water tank is used for accommodating the battery cell;
the support column is mounted to the mobile platform, and the measurement assembly is connected to the support column to enable the measurement assembly to be fixed to the mobile platform, and the measurement assembly is used for enabling measurement of the battery cell.
2. The apparatus of claim 1, wherein the apparatus is configured to: the measuring assembly comprises a sliding rod, a fixed flat plate, a tension meter and a bearing tray, wherein one end of the sliding rod is connected to the supporting column through a bearing so as to realize the rotation of the sliding rod relative to the supporting column; the other end of the sliding rod is sleeved with the first end of the fixed flat plate, the fixed flat plate can slide on the sliding rod, and the fixed flat plate and the sliding rod can be fixedly connected through a fastening bolt; the second end of the fixed flat plate is connected to the bearing tray through a tension meter.
3. The apparatus of claim 1, wherein the apparatus is configured to: a temperature sensor is also included.
4. The apparatus of claim 1, wherein the apparatus is configured to: the material of test water tank is stainless steel, just test water tank internal surface is equipped with the teflon insulating layer.
5. The apparatus of claim 2, wherein: the tray is used for bearing the battery cell, and a Teflon insulating layer is arranged on the surface of the tray.
6. The apparatus of claim 1, wherein the apparatus is configured to: the moving platform is provided with a handrail.
7. The apparatus of claim 1, wherein the apparatus is configured to: the liquid in the test tank was deionized water with no electrical conductivity.
8. The apparatus of claim 2, wherein the apparatus is configured to: the axes of the support column and the slide bar are perpendicular to each other, and the axes of the support column and the fixed flat plate are parallel to each other.
9. The apparatus of claim 2, wherein: the number of the fastening bolts is at least two.
10. The apparatus of claim 2, wherein the apparatus is configured to: the tip of slide bar is equipped with limit structure, limit structure is used for avoiding fixed dull and stereotyped drops.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222033106.4U CN218765459U (en) | 2022-08-03 | 2022-08-03 | Device for measuring volume of battery cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222033106.4U CN218765459U (en) | 2022-08-03 | 2022-08-03 | Device for measuring volume of battery cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218765459U true CN218765459U (en) | 2023-03-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222033106.4U Active CN218765459U (en) | 2022-08-03 | 2022-08-03 | Device for measuring volume of battery cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218765459U (en) |
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2022
- 2022-08-03 CN CN202222033106.4U patent/CN218765459U/en active Active
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