A layered extraction device for lithium ion battery electrolyte detection
By designing a layered extraction device with vertically spaced sampling cylinders and an electric telescopic rod driving the piston, the problem of low efficiency in the layered extraction of lithium-ion battery electrolyte in the prior art has been solved, and a simple and fast layered extraction of electrolyte has been achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GUIZHOU XINGLI NEW ENERGY TECH CO LTD
- Filing Date
- 2025-08-26
- Publication Date
- 2026-07-24
AI Technical Summary
Existing methods for layered extraction of lithium-ion battery electrolytes are cumbersome, inefficient, and yield unsatisfactory extraction results.
Design a layered extraction device comprising several vertically spaced sampling cylinders and connecting tubes, using an electric telescopic rod to drive the piston movement to achieve automated layered extraction of electrolyte.
It improves the efficiency and accuracy of layered extraction, is simple and quick to operate, and achieves uniform and stable layered extraction of electrolyte.
Smart Images

Figure CN224552861U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of electrolyte detection technology, and in particular relates to a layered extraction device for detecting lithium-ion battery electrolyte. Background Technology
[0002] Electrolyte is a liquid medium used in devices such as batteries, supercapacitors, and fuel cells. It facilitates the flow of ions between electrodes, thereby completing charge transfer. Electrolyte testing is necessary to ensure optimal battery performance, safety, and longevity during operation.
[0003] Electrolyte testing is commonly used to ensure the performance and safety of batteries, especially lithium-ion batteries. Common electrolyte testing items include electrolyte composition analysis, conductivity testing, pH value testing, electrolyte density and viscosity testing, and moisture content detection.
[0004] However, due to the complexity of electrolyte composition, direct testing often fails to accurately reflect the actual state of different parts of the lithium-ion battery during testing. To more precisely analyze electrolyte characteristics, layered extraction is necessary to separately analyze the composition and properties of each layer. Existing layered extraction methods are mostly cumbersome, inefficient, and yield unsatisfactory extraction results. Therefore, developing a highly efficient and accurate layered extraction device for lithium-ion battery electrolytes is of paramount importance. Utility Model Content
[0005] The purpose of this invention is to provide a layered extraction device for detecting lithium-ion battery electrolyte, so as to solve the problems in the background art.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a layered extraction device for detecting lithium-ion battery electrolyte, comprising a plurality of sampling cylinders, the plurality of sampling cylinders being distributed vertically at intervals, a connecting tube connecting two adjacent sampling cylinders, a sampling tube connecting the bottom surface of the sampling cylinder, a piston being provided inside the sampling cylinder, a connecting rod being provided between two adjacent pistons, the connecting rod passing through the connecting tube, and an electric telescopic rod being connected to the top surface of the piston inside the uppermost sampling cylinder, the electric telescopic rod extending to the outside of the sampling cylinder.
[0007] Preferably, the top surface of the uppermost sampling tube is provided with a sleeve, which is fitted onto the electric telescopic rod.
[0008] Preferably, the side wall of the sampling tube is provided with a fixing block, and two clamping plates are symmetrically provided on both sides of the fixing block, and the top surface of the two clamping plates is provided with a top plate.
[0009] Preferably, a fixing screw is provided between the clamping plate and the fixing block.
[0010] Preferably, the top surface of the top plate is provided with a handle, and the handle is connected to the top plate by screws.
[0011] Preferably, the sampling tubes are distributed at equal intervals along the vertical direction.
[0012] This utility model has at least the following beneficial effects:
[0013] (1) This utility model provides a layered extraction device for detecting lithium-ion battery electrolyte. Through vertically spaced sampling cylinders and connecting tubes, it can realize layered sampling of lithium-ion battery electrolyte. The operation is simple and quick, and the efficiency of layered extraction is greatly improved.
[0014] (2) This utility model provides a layered extraction device for lithium-ion battery electrolyte detection. By driving the piston to move through an electric telescopic rod, it can achieve uniform and stable automated layered extraction of electrolyte. The operation is simple and greatly facilitates its use. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the cooperation between the fixing block and the clamping plate of this utility model;
[0016] Figure 2 This is a schematic diagram of the overall structure of this utility model;
[0017] Figure 3 This is a schematic diagram of the internal structure of the sampling cylinder of this utility model.
[0018] In the attached diagram, the following are the reference numerals: 1. Sampling tube; 2. Connecting tube; 3. Sleeve; 4. Sampling tube; 5. Fixing block; 6. Clamping plate; 7. Fixing screw; 8. Top plate; 9. Electric telescopic rod; 10. Handle; 11. Piston; 12. Connecting rod. Detailed Implementation
[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present utility model.
[0020] Example
[0021] Please see Figure 1 , Figure 2 and Figure 3This utility model provides a technical solution: a layered extraction device for detecting lithium-ion battery electrolyte, comprising a plurality of sampling cylinders 1, which are distributed vertically at intervals. A connecting pipe 2 connects two adjacent sampling cylinders 1. Specifically, both ends of the connecting pipe 2 are fixedly connected to the sampling cylinder 1. A sampling tube 4 is connected to the bottom surface of the sampling cylinder 1. Specifically, the sampling tube 4 and the sampling cylinder 1 are an integral structure. A piston 11 is provided inside the sampling cylinder 1. Specifically, the piston 11 is adapted to the inner wall of the sampling cylinder 1, and... For sliding connection, a connecting rod 12 is provided between two adjacent pistons 11. Specifically, the two ends of the connecting rod 12 are fixedly connected to the pistons 11. The connecting rod 12 passes through the connecting tube 2. Specifically, the connecting rod 12 can slide in the connecting tube 2. An electric telescopic rod 9 is connected to the top surface of the piston 11 inside the uppermost sampling cylinder 1. The electric telescopic rod 9 extends to the outside of the sampling cylinder 1. Specifically, the output end of the electric telescopic rod 9 is fixedly connected to the top surface of the piston 11 inside the uppermost sampling cylinder 1 and drives the piston 11.
[0022] In this embodiment, when in use, the device is vertically inserted into the electrolyte. The electric telescopic rod 9 operates, pulling the uppermost piston 11 upward. The piston 11 drives the other pistons 11 to move upward synchronously through the connecting rod 12, thereby drawing electrolytes at different depths into different sampling cylinders 1 to achieve layered extraction. The extracted electrolytes can be discharged through the sampling tube 4 for testing. The operation is simple and quick, and the extraction effect is good.
[0023] Furthermore, the top surface of the uppermost sampling cylinder 1 is provided with a sleeve 3, which is fitted onto the electric telescopic rod 9.
[0024] In this embodiment, the sleeve 3 and the sampling cylinder 1 are an integral structure, the output end of the electric telescopic rod 9 is slidably connected to the sleeve 3, and the sleeve 3 limits the electric telescopic rod 9.
[0025] Furthermore, the side wall of the sampling cylinder 1 is provided with a fixing block 5. Specifically, the fixing block 5 is fixedly connected to the side wall of the sampling cylinder 1. Two clamping plates 6 are symmetrically provided on both sides of the fixing block 5. The top surface of the two clamping plates 6 is provided with a top plate 8. Specifically, the top plate 8 is fixedly connected to the clamping plates 6. The clamping plates 6 and the fixing block 5 are provided with fixing screws 7.
[0026] In this embodiment, the fixing block 5 is fixed by the clamping plate 6 and the fixing screw 7, thereby fixing the sampling cylinder 1. The fixing screw 7 is used to facilitate disassembly. The clamping plate 6 is fixed by the top plate 8 to facilitate hand-holding.
[0027] Furthermore, a handle 10 is provided on the top surface of the top plate 8, and the handle 10 is connected to the top plate 8 by screws.
[0028] In this embodiment, the handle 10 facilitates holding the entire device for sampling, and the handle 10 is connected by screws for easy disassembly.
[0029] Furthermore, several sampling tubes 1 are distributed at equal intervals along the vertical direction.
[0030] In this embodiment, several sampling tubes 1 are distributed at equal intervals along the vertical direction, which facilitates uniform sampling at intervals and thus ensures the accuracy of stratified sampling.
[0031] The working principle and usage process of this utility model: After the utility model is installed, work according to the above implementation method until all working steps are completed.
[0032] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It will be apparent to those skilled in the art that this utility model is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description. Therefore, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this utility model, and no reference numerals in the claims should be construed as limiting the scope of the claims.
[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A layered extraction device for detecting lithium-ion battery electrolyte, characterized in that, It includes several sampling cylinders (1), which are distributed vertically at intervals. A connecting pipe (2) is provided between two adjacent sampling cylinders (1). A sampling tube (4) is provided on the bottom surface of the sampling cylinder (1). A piston (11) is provided inside the sampling cylinder (1). A connecting rod (12) is provided between two adjacent pistons (11). The connecting rod (12) passes through the connecting pipe (2). An electric telescopic rod (9) is connected to the top surface of the piston (11) inside the uppermost sampling cylinder (1). The electric telescopic rod (9) extends to the outside of the sampling cylinder (1).
2. The layered extraction device for detecting lithium-ion battery electrolyte according to claim 1, characterized in that: The top surface of the sampling tube (1) located at the top is provided with a sleeve (3), which is sleeved on the electric telescopic rod (9).
3. The layered extraction device for detecting lithium-ion battery electrolyte according to claim 1, characterized in that: The sampling tube (1) has a fixing block (5) on its side wall. Two clamping plates (6) are symmetrically arranged on both sides of the fixing block (5). The top surfaces of the two clamping plates (6) are jointly provided with a top plate (8).
4. The layered extraction device for detecting lithium-ion battery electrolyte according to claim 3, characterized in that: The clamping plate (6) and the fixing block (5) are both provided with fixing screws (7).
5. The layered extraction device for detecting lithium-ion battery electrolyte according to claim 3, characterized in that: The top surface of the top plate (8) is provided with a handle (10), and the handle (10) is connected to the top plate (8) by screws.
6. The layered extraction device for detecting lithium-ion battery electrolyte according to claim 1, characterized in that: Several of the sampling tubes (1) are distributed at equal intervals along the vertical direction.