CN214844634U - Battery wettability measuring device - Google Patents
Battery wettability measuring device Download PDFInfo
- Publication number
- CN214844634U CN214844634U CN202120402246.7U CN202120402246U CN214844634U CN 214844634 U CN214844634 U CN 214844634U CN 202120402246 U CN202120402246 U CN 202120402246U CN 214844634 U CN214844634 U CN 214844634U
- Authority
- CN
- China
- Prior art keywords
- arm
- battery
- moving
- measuring device
- wettability
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000003792 electrolyte Substances 0.000 claims abstract description 22
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000008595 infiltration Effects 0.000 abstract description 8
- 238000001764 infiltration Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 8
- 238000012360 testing method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 abstract description 2
- 229910052744 lithium Inorganic materials 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Abstract
The utility model relates to a lithium cell technical field especially relates to a battery wettability measuring device. It includes: an electrolyte container for containing an electrolyte; the battery cell clamping mechanism comprises a support and a clamping arm, wherein the clamping arm comprises a fixed arm, a moving arm and a moving assembly, the fixed arm is fixedly arranged on the support, the moving assembly is arranged on the support, and the moving assembly is connected with the moving arm to drive the moving arm to be far away from or close to the fixed arm; and the pressure detection assembly is used for obtaining the clamping force applied to the battery cell when the battery cell is clamped. The utility model discloses in the battery wettability survey device that provides, technical staff can obtain under the different times according to the infiltration condition of motor, the relation of clamp force that the electric core receives and wettability to can be applied to electric core infiltration process with the testing result, thereby optimize the improvement when stewing to electric core. The device has simple structure, easy operation and good intuition of experimental process results.
Description
Technical Field
The utility model relates to a lithium cell technical field especially relates to a battery wettability measuring device.
Background
The electrolyte plays a role in transmitting ions between the positive electrode and the negative electrode in the lithium ion battery, and along with the development of the preparation technology of the lithium ion battery, the problems of battery wettability and long infiltration time are paid attention to. At present, the wettability of a single pole piece has various testing methods, but the liquid absorption mode of a battery core after the liquid injection of an actual battery is different from that of the single pole piece, the actual battery core is a combination piece of 'a positive pole piece, a diaphragm, a negative pole piece, a diaphragm and a positive pole piece' which are in close contact, the acting force existing among the combination pieces can influence the liquid absorption rate of the whole battery core, the existing battery wettability testing device only tests for the single pole piece, and the testing result has no reference to the pole piece.
Therefore, a battery wettability measuring device is needed to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a battery wettability survey device can survey the wettability of electric core under different clamping-force to can be applied to electric core infiltration process with the testing result in.
To achieve the purpose, the utility model adopts the following technical proposal:
provided is a battery wettability measuring device, including:
an electrolyte container for containing an electrolyte;
the battery cell clamping mechanism comprises a support and a clamping arm, wherein the clamping arm comprises a fixed arm, a moving arm and a moving assembly, the fixed arm is fixedly arranged on the support, the moving assembly is arranged on the support, and the moving assembly is connected with the moving arm to drive the moving arm to be far away from or close to the fixed arm;
and the pressure detection assembly is used for obtaining the clamping force applied to the battery cell when the battery cell is clamped.
As a preferable technical scheme of the device for measuring wettability of a battery, the pressure detection assembly comprises a pressure sensor and a digital display meter, the pressure sensor is electrically connected with the digital display meter, and the pressure sensor is arranged on the fixed arm.
In a preferred embodiment of the battery wettability measuring apparatus, the pressure sensor is provided on a side of the fixed arm facing the moving arm.
As a preferable embodiment of the battery wettability measuring apparatus, the moving member includes an electric push rod.
As a preferable technical solution of the above battery wettability measuring device, the moving assembly includes an air cylinder, a cylinder body of the air cylinder is fixedly disposed on the support, and an air cylinder rod of the air cylinder is fixedly connected to the moving arm.
As a preferable technical solution of the above battery wettability measuring apparatus, the moving assembly includes a screw and a nut, and the moving arm is fixedly connected to the nut.
As a preferred technical solution of the above battery wettability measuring device, the cell clamping mechanism further includes an elastic buffer member, and the elastic buffer member is disposed on one side of the fixed arm, which faces the moving arm.
As a preferable embodiment of the device for measuring battery wettability, the elastic buffer member is a rubber column.
As a preferable technical solution of the above battery wettability measuring apparatus, transparent clamp plates are disposed on both sides of the fixed arm and the moving arm, which clamp the battery cell.
As a preferable aspect of the above battery wettability measuring device, the electrolyte container and the transparent plate are both made of an electrolyte corrosion resistant material.
The utility model discloses beneficial effect:
the utility model discloses in the battery wettability survey device that provides, shifting arm and fixed arm can press from both sides the electricity core tightly, and the adjustment of clamp force accessible shifting block, and the pressure detection subassembly obtains the clamp force, and the technical staff can obtain under the different times according to the infiltration condition of motor, the relation of clamp force and infiltration nature that the electricity core receives to can be applied to electric core infiltration process with the testing result, thereby to the long optimization improvement of long standing of electric core. The device has simple structure, easy operation and good intuition of experimental process results.
Drawings
Fig. 1 is a schematic structural diagram of a device for measuring wettability of a battery according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a battery cell clamping mechanism provided in an embodiment of the present invention.
In the figure:
1. an electrolyte receptacle;
2. a battery cell clamping mechanism; 21. a support; 22. a fixed arm; 23. a moving arm; 24. a moving assembly; 25. a transparent splint; 26. an elastic buffer member; 27. a fixing member;
3. a pressure sensor;
4. a digital display meter;
100. and (5) battery cores.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
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.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and 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 thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
In the present embodiment, there is provided a battery wettability measuring apparatus, as shown in fig. 1 and 2, the apparatus including: the battery cell clamping device comprises an electrolyte container 1, a battery cell clamping mechanism 2 and a pressure detection assembly, wherein the electrolyte container 1 is used for containing electrolyte; the battery cell clamping mechanism 2 comprises a support 21 and a clamping arm, the clamping arm comprises a fixed arm 22, a moving arm 23 and a moving assembly 24, the fixed arm 22 is fixedly arranged on the support 21 through a fixing piece 27, the moving assembly 24 is arranged on the support 21, and the moving assembly 24 is connected with the moving arm 23 to drive the moving arm 23 to be far away from or close to the fixed arm 22; the pressure detection assembly is used for obtaining the clamping force applied to the battery cell 100 when being clamped.
In the battery wettability measuring device provided in this embodiment, the moving arm 23 and the fixing arm 22 can clamp the battery cell 100, the clamping force can be adjusted by the moving assembly 24, the pressure detection assembly obtains the clamping force, and a technician can obtain the relationship between the clamping force and the wettability of the battery cell 100 at different times according to the wetting condition of the motor, so that the measurement result can be applied to the wetting procedure of the battery cell 100, and the standing time of the battery cell 100 is optimized and improved. The device has simple structure, easy operation and good intuition of experimental process results.
Preferably, in this embodiment, the pressure detection assembly includes a pressure sensor 3 and a digital display meter, the pressure sensor 3 is electrically connected with the digital display meter, and the pressure sensor 3 is disposed on the fixing arm 22. The digital display meter is used for adjusting the displacement of the moving component 24 and displaying the pressure value transmitted by the pressure sensor 3. The pressure sensor 3 is disposed on the fixing arm 22, and is capable of detecting the clamping force applied to the fixing arm 22 by the moving arm 23, so as to detect different clamping forces applied to the battery cell 100. Preferably, in order to obtain a more accurate value of the clamping force, in the present embodiment, the pressure sensor 3 is disposed on a side of the fixed arm 22 facing the moving arm 23.
Preferably, the moving assembly 24 comprises an electric push rod. The electric push rod is fixed on the bracket 21, and the moving end of the electric push rod is fixedly connected with the moving arm 23, so that the moving arm 23 can be close to or far from the fixed arm 22. Of course, the electric push rod can be replaced by an air cylinder, the cylinder body of the air cylinder is fixedly arranged on the support 21, and the cylinder rod of the air cylinder is fixedly connected with the moving arm 23. It is also possible to ensure that the moving arm 23 is close to or remote from the fixed arm 22.
Of course, in other embodiments, the moving assembly 24 includes a lead screw and a nut, the nut being threadedly coupled to the lead screw, and the moving arm 23 being fixedly coupled to the nut. The lead screw is arranged perpendicular to the moving arm 23, which can ensure that the moving arm 23 is close to or far away from the fixed arm 22.
The cell clamping mechanism 2 further includes an elastic buffer 26, and the elastic buffer 26 is disposed on a side of the fixed arm 22 facing the moving arm 23. The elastic buffer 26 on the fixing arm 22 can ensure that the distance between the fixing arm 22 and the moving arm 23 at different positions is consistent as much as possible during the process of clamping the battery cell 100. More preferably, the elastomeric cushion 26 is a rubber post. This kind of setting can prevent to take place hard collision between removal arm 23 and the fixed arm 22, prevents that fixed arm 22 from vibrating and causing the change of electricity core 100 position and influencing the testing result.
Optionally, in this embodiment, transparent clamping plates 25 are disposed on both sides of the fixed arm 22 and the moving arm 23 clamping the battery cell 100. The transparent clamping plate 25 is convenient for manually observing the wettability of the battery cell 100, so that the effectiveness of the detection result is ensured. Since the electrolyte is corrosive, the electrolyte container 1 and the transparent splint 25 are both made of an electrolyte corrosion resistant material in the present embodiment.
When the device is used for operation, firstly a certain amount of electrolyte is led into the electrolyte container 1, then the dried positive plate-diaphragm-negative plate-diaphragm-positive plate is fixed by the transparent clamping plate 25, the combined plate (namely the battery cell 100) clamped by the transparent clamping plate 25 is immersed into the electrolyte by the clamping device, and the immersion height of the electrolyte is recorded at different time intervals, so that the immersion performance is compared. In addition, the clamping force of the moving arm 23 can be adjusted, and the infiltration effect of the combined piece under different clamping forces is explored; the device is placed in an atmosphere with different temperatures, and the wettability of the combined piece at different temperatures is researched.
In addition, the foregoing is only the preferred embodiment of the present invention and the technical principles applied thereto. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. A battery wettability measuring apparatus, comprising:
an electrolyte container (1) for containing an electrolyte;
the battery cell clamping mechanism (2) comprises a support (21) and a clamping arm, the clamping arm comprises a fixed arm (22), a moving arm (23) and a moving assembly (24), the fixed arm (22) is fixedly arranged on the support (21), the moving assembly (24) is arranged on the support (21), and the moving assembly (24) is connected with the moving arm (23) to drive the moving arm (23) to be far away from or close to the fixed arm (22);
and the pressure detection assembly is used for obtaining the clamping force applied to the battery cell when the battery cell is clamped.
2. The battery wettability measuring device according to claim 1, wherein the pressure detection unit includes a pressure sensor (3) and a digital display, the pressure sensor (3) is electrically connected to the digital display, and the pressure sensor (3) is disposed on the fixing arm (22).
3. The battery wettability measuring device according to claim 2, wherein the pressure sensor (3) is provided on a side of the fixed arm (22) facing the moving arm (23).
4. The battery wettability measuring device according to claim 1, wherein the moving member (24) includes an electric push rod.
5. The battery wettability measuring device according to claim 1, wherein the moving assembly (24) comprises an air cylinder, a cylinder body of the air cylinder is fixedly arranged on the support (21), and a cylinder rod of the air cylinder is fixedly connected with the moving arm (23).
6. The battery wettability measuring device according to claim 1, wherein the moving assembly (24) includes a screw and a nut, and the moving arm (23) is fixedly connected to the nut.
7. The battery wettability measuring device according to claim 1, wherein the cell clamping mechanism (2) further includes an elastic buffer (26), and the elastic buffer (26) is disposed on a side of the fixed arm (22) facing the moving arm (23).
8. The battery wettability measuring device according to claim 7, wherein the elastic buffer (26) is a rubber column.
9. The battery wettability measuring device according to any one of claims 1 to 8, wherein transparent clamping plates (25) are provided on both sides of the fixed arm (22) and the movable arm (23) that clamp the battery cell.
10. The battery wettability measuring device according to claim 9, wherein the electrolyte receptacle (1) and the transparent clamping plate (25) are each made of an electrolyte corrosion resistant material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120402246.7U CN214844634U (en) | 2021-02-23 | 2021-02-23 | Battery wettability measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120402246.7U CN214844634U (en) | 2021-02-23 | 2021-02-23 | Battery wettability measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214844634U true CN214844634U (en) | 2021-11-23 |
Family
ID=78952798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120402246.7U Active CN214844634U (en) | 2021-02-23 | 2021-02-23 | Battery wettability measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214844634U (en) |
-
2021
- 2021-02-23 CN CN202120402246.7U patent/CN214844634U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210723274U (en) | Battery cell detection device | |
| CN209820571U (en) | Volume measuring device | |
| CN101813533A (en) | Device for testing performance of IPMC (Ionic Polymer-Metal Composite) artificial muscle material | |
| CN214844634U (en) | Battery wettability measuring device | |
| CN109781278B (en) | Lithium battery working temperature detection equipment | |
| CN214040931U (en) | Battery module testing arrangement | |
| CN218824441U (en) | Battery testing mechanism | |
| CN213422896U (en) | Battery diaphragm liquid absorption amount detection device | |
| CN204241328U (en) | A kind of fixture inhaling acid amount for detecting the pressurization of AGM battery separator | |
| CN215297281U (en) | Potentiometric titrator | |
| CN112461713A (en) | Device and method for testing wettability of lithium ion battery diaphragm | |
| CN208620952U (en) | A kind of lithium battery polarity size measuring device | |
| CN109855825B (en) | Device and method for testing hardness of battery cell through vibration | |
| CN203561649U (en) | Measuring clamp used for proton conductivity of proton exchange membrane | |
| CN210982312U (en) | Acidimeter that can regularly quantitative volume get | |
| CN215728251U (en) | Lithium battery detection auxiliary tool | |
| CN218157442U (en) | Permeability tester with high safety detection sensitivity for paper diaper performance | |
| CN108828454A (en) | A kind of lithium battery thermal failure detection system | |
| CN218974078U (en) | Testing device for quantitatively evaluating wettability of electrolyte | |
| CN213932295U (en) | Device for measuring thickness of elastomer under action of clamping force | |
| CN216440668U (en) | Test tube subassembly is used in grain oil inspection | |
| CN218002437U (en) | Battery cell flatness measuring device | |
| CN219715311U (en) | Miniature in-situ stretching-electrochemical coupling testing device | |
| CN218917122U (en) | Electrolyte infiltration rate measuring device of pole piece | |
| CN220819308U (en) | Vacuum testing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |