Lithium ion electrolyte filling device
By introducing stirring and cleaning components into the lithium-ion electrolyte filling device, the problems of tank residue and sedimentation are solved, achieving uniform mixing and easy cleaning of the electrolyte and reducing electrolyte waste.
Patent Information
- Application Number
- CN202422998816.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-05
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2034-12-05
AI Technical Summary
When using existing lithium-ion electrolyte filling equipment, electrolyte residue is easily left at the bottom of the tank, making cleaning difficult. The electrolyte is also prone to sedimentation, resulting in inconsistent solubility, which increases the cleaning workload and electrolyte waste rate.
It adopts a conical and cylindrical tank structure, equipped with a stirring component and a cleaning component. The impeller is driven by a drive motor to stir the electrolyte, and the cleaning component cleans the inner wall of the tank, including scraper and nozzle cleaning, to ensure uniform mixing of electrolyte and cleanliness of the inner wall of the tank.
It effectively prevents electrolyte sedimentation, simplifies the tank cleaning process, reduces electrolyte waste, and improves the practicality and cleaning efficiency of the device.
Smart Images
Figure CN223665637U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electrolyte filling technical field, especially a lithium ion electrolyte filling device. BACKGROUND
[0002] Ion electrolyte is generally composed of lithium salt and organic solvent, electrolyte plays the role of conducting ions between lithium battery positive and negative, is the guarantee that lithium ion battery obtains high voltage, high specific energy and the like, electrolyte is generally prepared by high-purity organic solvent, electrolyte lithium salt, necessary additive and the like raw material under certain conditions, in certain proportion, novel lithium ion electrolyte filling device refers to the device that carries out filling such as lithium ion electrolyte.
[0003] However, the existing novel lithium ion electrolyte filling device has single structure design, when the existing device is used, electrolyte is easy to remain at the bottom of the tank, when it is necessary to replace electrolyte of different kinds, it is more troublesome to clean the tank, thereby increasing the workload of cleaning the tank, simultaneously increasing the waste rate of electrolyte, and when the existing device stops running, electrolyte in the tank is easy to precipitate, thereby causing the electrolyte solubility in the tank to be different, which is not conducive to actual use. UTILITY MODEL CONTENT
[0004] In order to overcome the shortcomings of the prior art, the application provides a lithium ion electrolyte filling device.
[0005] The lithium ion electrolyte filling device provided by the application adopts the following technical scheme:
[0006] The utility model provides a kind of lithium ion electrolyte filling device, including conical tank and cylindrical tank, the conical tank is communicated and is arranged at the bottom of cylindrical tank, the side of the cylindrical tank is communicated and is provided with liquid inlet pipe, the bottom of the conical tank is communicated and is provided with three-way, the bottom end of the three-way is communicated and is provided with liquid outlet pipe, the liquid outlet pipe is communicated and is provided with liquid outlet valve on, the other end of the three-way is communicated and is provided with liquid outlet pipe, the liquid outlet pipe is communicated and is provided with multiple liquid outlet heads along the length direction of itself on, stirring assembly is provided in the conical tank, the stirring assembly includes stirring rod, the stirring rod is coaxially rotated and is arranged in the inside of conical tank, and the stirring rod one end extends to the outside of cylindrical tank, support frame is provided on the cylindrical tank, the stirring rod is rotationally connected with support frame, the bottom of the stirring rod is coaxially provided with impeller for stirring electrolyte, driving motor is fixedly arranged on the top of the cylindrical tank, driving motor output shaft is coaxially provided with driving gear, the stirring rod is coaxially provided with driven gear, the driving gear is engaged with driven gear, the stirring rod is provided with cleaning assembly for cleaning conical tank, the cleaning assembly includes cleaning pipe and multiple first connecting pipes, the stirring rod is hollow, multiple the first connecting pipes are evenly arranged along the length direction of stirring rod, and multiple the first connecting pipes are communicated with stirring rod respectively, the cleaning pipe is communicated with multiple first connecting pipes, multiple through holes are evenly opened on the cleaning pipe along the length direction of itself, rotating joint is communicated and is arranged on the top of the stirring rod, the rotating joint one end is communicated and is provided with cleaning liquid pipe, auxiliary cleaning assembly is provided on the stirring rod.
[0007] By adopting the above technical scheme, when the device stops running, the driving motor rotates to drive the impeller to rotate, thereby stirring the electrolyte, so that the electrolyte in the conical tank is not easy to precipitate, thereby avoiding the electrolyte in the conical tank having different solubility, and the device has high practicability. When it is necessary to clean the conical tank, first, open the liquid outlet valve to drain the residual electrolyte in the conical tank, so that the bottom of the conical tank is not easy to have residual electrolyte. Then, clean water is injected into the stirring rod through the cleaning liquid pipe. The clean water flows into the first connecting pipe and then into the cleaning pipe after passing through the stirring rod. Finally, the clean water is sprayed out through the through holes on the cleaning pipe towards the inner wall of the conical tank, thereby cleaning the inner wall of the conical tank. When it is necessary to replace electrolyte of different types, the conical tank is easy to clean, thereby reducing the workload of cleaning the conical tank and the waste rate of electrolyte.
[0008] Optionally, the auxiliary cleaning assembly comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is connected with the stirring rod, the other end of the first connecting rod is provided with a first cleaning block, the first cleaning block is provided with a scraping strip, one end of the second connecting rod is connected with the stirring rod, and the other end of the second connecting rod is provided with a second cleaning block, and a plurality of bristles are uniformly arranged on the second cleaning block.
[0009] By adopting the above technical scheme, the first connecting rod drives the first cleaning block to slide along the inside of the conical tank during rotation, and when the first cleaning block moves, the scraping strip will simultaneously scrape the inner wall of the conical tank, the second connecting rod moves synchronously, and the bristles on the second cleaning block brush the inner wall of the conical tank during movement, thereby improving the cleaning effect of the conical tank.
[0010] Optionally, the auxiliary cleaning assembly further comprises a second connecting pipe, the second connecting pipe is located in the inside of the cylindrical tank, one end of the second connecting pipe is connected with the stirring rod in communication, and a plurality of spray heads are uniformly and communicatively arranged on the second connecting pipe along the length direction of the second connecting pipe.
[0011] By adopting the above technical scheme, the cleaning water is sprayed out from the second connecting pipe through the plurality of spray heads, and the cleaning water flushes the conical tank from top to bottom, thereby improving the cleaning effect of the conical tank.
[0012] Optionally, the stirring rod is uniformly and communicatively provided with a plurality of second connecting pipes along the circumferential direction of the stirring rod.
[0013] By adopting the above technical scheme, when the inside of the conical tank needs to be cleaned, the spray heads on the plurality of second connecting pipes simultaneously spray out cleaning water, and since the second connecting pipe is located in the cylindrical tank, the cleaning water flows down from the top of the conical tank under the action of gravity, thereby cleaning the inner wall of the conical tank.
[0014] Optionally, the conical tank is provided with a transparent observation window.
[0015] By adopting the above technical scheme, by installing the transparent observation window, it is convenient for the staff to observe the storage amount of the electrolyte in the conical tank.
[0016] Optionally, the liquid outlet pipe is inclined, and the installation height of the end of the liquid outlet pipe close to the tee joint is lower than the installation height of the end of the liquid outlet pipe close to the liquid outlet head.
[0017] By adopting the above technical scheme, by inclining the liquid outlet pipe, the cleaning liquid is prevented from entering the liquid outlet pipe from the tee joint to a certain extent, and the electrolyte in the liquid outlet pipe is prevented from being polluted.
[0018] Optionally, the inside of the stirring rod is provided with a one-way valve.
[0019] By adopting the above technical scheme, the one-way valve is installed, so that the reverse infiltration of the electrolyte into the cleaning liquid pipe is avoided to a certain extent, and damage to the cleaning liquid pipe is avoided.
[0020] Optionally, a fixing ring is sleeved on the conical tank body, and a fixing seat is connected and arranged on the fixing ring.
[0021] By adopting the above technical scheme, the fixing seat facilitates the workers to install the fixing ring and the conical tank body as a whole on the support frame of the filling device at the factory end, so that the filling process is more stable.
[0022] The utility model has the following advantages:
[0023] 1. By arranging the cleaning assembly, when different types of electrolyte need to be replaced, the conical tank body is cleaned more conveniently, thereby reducing the workload of cleaning the conical tank body and reducing the waste rate of the electrolyte.
[0024] 2. By arranging the driving motor and the impeller, the impeller is driven to rotate when the driving motor rotates, so that the electrolyte is stirred, so that the electrolyte in the conical tank body is not easy to precipitate, thereby avoiding the electrolyte in the conical tank body having different solubility, and the utility is strong.
[0025] 3. By arranging the auxiliary cleaning assembly, the cleaning effect of the conical tank body can be improved. DRAWINGS
[0026] Fig. 1 It is a schematic diagram of the overall structure of the utility model;
[0027] Fig. 2 It is a schematic diagram of the installation structure of the auxiliary cleaning assembly of the utility model;
[0028] Fig. 3 It is a schematic diagram of the installation structure of the cleaning assembly of the utility model;
[0029] In the figure: 1, conical tank body; 11, cylindrical tank body; 12, liquid inlet pipe; 13, tee joint; 14, liquid outlet pipe; 15, liquid outlet valve; 16, liquid outlet pipe; 17, liquid outlet head; 2, stirring assembly; 21, stirring rod; 22, support frame; 23, impeller; 24, driving motor; 25, driving gear; 26, driven gear; 3, cleaning assembly; 31, cleaning pipe; 32, first connecting pipe; 33, through hole; 34, rotary joint; 35, cleaning liquid pipe; 36, electromagnetic valve; 4, auxiliary cleaning assembly; 41, first connecting rod; 42, second connecting rod; 43, first cleaning block; 44, scraping strip; 45, second cleaning block; 46, brush; 47, second connecting pipe; 48, spray head; 5, transparent observation window; 51, one-way valve; 52, fixing ring; 53, fixing seat. DETAILED DESCRIPTION
[0030] The utility model will be described further in connection with the drawings, but the protection scope of the utility model is not limited to the following.
[0031] Example 1
[0032] As Figs. 1 to 3 shown, a lithium ion electrolyte filling device, including conical tank body 1 and cylindrical tank body 11, conical tank body 1 is installed in the bottom of cylindrical tank body 11, one side of cylindrical tank body 11 is installed with liquid inlet pipe 12, the bottom of conical tank body 1 is installed with tee joint 13, the bottom end of tee joint 13 is installed with liquid outlet pipe 14, liquid outlet pipe 14 is installed with liquid outlet valve 15. The other end of tee joint 13 is installed with liquid outlet pipe 16, liquid outlet pipe 16 is installed with a plurality of liquid outlet heads 17 along the length direction of itself, conical tank body 1 is installed with stirring assembly 2, stirring assembly 2 includes stirring rod 21, stirring rod 21 is coaxially rotatably installed in the inside of conical tank body 1.
[0033] One end of stirring rod 21 extends to the outside of cylindrical tank body 11, support frame 22 is installed on cylindrical tank body 11, stirring rod 21 is rotatably connected with support frame 22, the bottom of stirring rod 21 is coaxially installed with impeller 23 for stirring electrolyte, driving motor 24 is fixedly installed on the top of cylindrical tank body 11, driving gear 25 is coaxially installed on the output shaft of driving motor 24, driven gear 26 is coaxially installed on stirring rod 21. Driving gear 25 is engaged with driven gear 26, stirring rod 21 is provided with cleaning assembly 3 for cleaning conical tank body 1, cleaning assembly 3 includes cleaning pipe 31 and a plurality of first connecting pipes 32, stirring rod 21 is hollowly arranged, a plurality of first connecting pipes 32 are evenly arranged along the length direction of stirring rod 21.
[0034] A plurality of first connecting pipes 32 are respectively connected with the stirring rods 21, and the cleaning pipes 31 are respectively connected with the plurality of first connecting pipes 32, a plurality of through holes 33 are uniformly arranged on the cleaning pipes 31 along the length direction of the cleaning pipes 31, a rotary joint 34 is connected with the top of the stirring rod 21, a cleaning liquid pipe 35 is connected with one end of the rotary joint 34, and an electromagnetic valve 36 is connected with the cleaning liquid pipe 35, so as to control the opening and closing of the cleaning water. Since the rotary joint 34 is a prior art.
[0035] In the embodiment, the specific composition of the rotary joint 34 is not described in detail, the rotary joint 34 can keep connected with the cleaning liquid pipe 35 without liquid leakage under the rotation of the stirring rod 21, and the auxiliary cleaning assembly 4 is installed on the stirring rod 21; the staff pours the electrolyte into the inside of the conical tank body 1 through the liquid inlet pipe 12 for temporary storage, when the device stops running, the driving motor 24 is started to drive the driving gear 25 to rotate, and the driving gear 25 drives the driven gear 26 to rotate in the process of rotation.
[0036] The driven gear 26 drives the stirring rod 21 to rotate in the process of rotation, the stirring rod 21 drives the impeller 23 to rotate in the process of rotation, and the impeller 23 makes the electrolyte in the conical tank body 1 continuously rotate in the process of rotation, so that the electrolyte in the conical tank body 1 is not easy to precipitate, thereby avoiding the electrolyte in the conical tank body 1 having different solubility, and the device has high practicability. At the same time, the first connecting rod 41 and the cleaning pipe 31 are driven to rotate when the stirring rod 21 rotates, thereby improving the mixing and stirring degree of the electrolyte in the conical tank body 1. When it is necessary to clean the conical tank body 1, first, the drain valve 15 is opened to drain the residual electrolyte in the conical tank body 1, so that the bottom of the conical tank body 1 of the device is not easy to remain electrolyte. Then, the cleaning water is injected into the stirring rod 21 through the cleaning liquid pipe 35, and the cleaning water flows into the first connecting pipe 32 and then flows into the cleaning pipe 31 after passing through the stirring rod 21. Finally, the cleaning water is sprayed towards the inner wall of the conical tank body 1 through the through holes 33 on the cleaning pipe 31, so as to clean the inner wall of the conical tank body 1. When it is necessary to replace different types of electrolyte, the conical tank body 1 is easy to clean, thereby reducing the workload of cleaning the conical tank body 1 and reducing the waste rate of the electrolyte.
[0037] Embodiment 2
[0038] On the basis of embodiment 1, the auxiliary cleaning assembly 4 comprises a first connecting rod 41 and a second connecting rod 42, one end of the first connecting rod 41 is connected with the stirring rod 21, the other end of the first connecting rod 41 is provided with a first cleaning block 43, the first cleaning block 43 is provided with a scraping strip 44, one end of the scraping strip 44 away from the first cleaning block 43 is attached to the inner wall of the conical tank body 1. One end of the second connecting rod 42 is connected with the stirring rod 21, the other end of the second connecting rod 42 is provided with a second cleaning block 45, a plurality of bristles 46 are uniformly arranged on the second cleaning block 45. When it is necessary to clean the inside of the conical tank body 1, the first connecting rod 41 and the second connecting rod 42 will be driven to rotate synchronously in the process of rotation of the stirring rod 21, the first cleaning block 43 will be driven to slide along the inside of the conical tank body 1 in the process of rotation of the first connecting rod 41. When the first cleaning block 43 moves, the scraping strip 44 will be driven to scrape the inner wall of the conical tank body 1 synchronously, the second cleaning block 45 will be driven to move synchronously in the process of movement of the second connecting rod 42, the bristles 46 on the second cleaning block 45 will brush the inner wall of the conical tank body 1 in the process of movement of the second cleaning block 45, thereby improving the cleaning effect of the conical tank body 1.
[0039] In the present embodiment, the auxiliary cleaning assembly 4 further comprises a second connecting pipe 47, the second connecting pipe 47 is located in the inside of the cylindrical tank body 11, one end of the second connecting pipe 47 is connected with the stirring rod 21 in communication, a plurality of nozzles 48 are uniformly arranged on the second connecting pipe 47 along the length direction of the second connecting pipe 47, and the installation height of the second connecting pipe 47 is higher than the installation height of the liquid inlet pipe 12; when it is necessary to clean the inside of the conical tank body 1, the cleaning water is sprayed out from the second connecting pipe 47 through the plurality of nozzles 48, the cleaning water flushes the conical tank body 1 from top to bottom, thereby improving the cleaning effect of the conical tank body 1.
[0040] Embodiment 3
[0041] On the basis of embodiment 1 or embodiment 2, a plurality of second connecting pipes 47 are uniformly arranged on the stirring rod 21 in communication along the circumferential direction of the stirring rod 21; when it is necessary to clean the inside of the conical tank body 1, the nozzles 48 on the plurality of second connecting pipes 47 spray out cleaning water at the same time, since the second connecting pipes 47 are located in the cylindrical tank body 11. Therefore, the cleaning water flows down from the top of the conical tank body 1 under the action of gravity, thereby cleaning the inner wall of the conical tank body 1; at the same time, due to the rotation of the stirring rod 21, the plurality of nozzles 48 on the second connecting pipes 47 will be scattered under the action of centrifugal force when spraying out cleaning water, and will collide with the inner wall of the conical tank body 1, thereby improving the cleaning effect of the conical tank body 1.
[0042] The conical tank body 1 is provided with a transparent observation window 5. By installing the transparent observation window 5, the staff can observe the storage amount of the electrolyte in the conical tank body 1. When the cleaning assembly 3 cleans the conical tank body 1, the staff can also observe the cleaning condition in the conical tank body 1 through the transparent observation window 5.
[0043] In the embodiment, the liquid outlet pipe 16 is inclinedly arranged. The installation height of the end of the liquid outlet pipe 16 close to the tee joint 13 is lower than the installation height of the end of the liquid outlet pipe 16 close to the liquid outlet head 17. When the staff cleans the conical tank body 1, the cleaning water mixed with the electrolyte remaining in the conical tank body 1 flows into the tee joint 13 at the bottom and then is discharged through the liquid outlet pipe 16. By incliningly arranging the liquid outlet pipe 16, the cleaning liquid is prevented from entering the liquid outlet pipe 16 from the tee joint 13 to a certain extent, so as to prevent the electrolyte in the liquid outlet pipe 16 from being polluted.
[0044] The inside of the stirring rod 21 is provided with a one-way valve 51. By installing the one-way valve 51, the electrolyte is prevented from reverse seeping into the cleaning liquid pipe 35 to a certain extent, so as to prevent the cleaning liquid pipe 35 from being damaged.
[0045] The conical tank body 1 is sleeved with a fixing ring 52. The fixing ring 52 is connected and installed with a fixing seat 53. The fixing ring 52 is convenient for fixing the conical tank body 1. The fixing seat 53 is convenient for the staff to install the fixing ring 52 and the conical tank body 1 as a whole on the support frame 22 of the filling arrangement at the factory end, so as to make the filling process more stable.
[0046] The implementation principle of the embodiment is that when the device stops running, the driving motor 24 is started, the driving motor 24 drives the driving gear 25 to rotate, the driving gear 25 drives the driven gear 26 to rotate in the process of rotating, the driven gear 26 synchronously drives the stirring rod 21 to rotate in the process of rotating, the stirring rod 21 drives the impeller 23 to rotate in the process of rotating, the impeller 23 makes the electrolyte in the conical tank body 1 continuously rotate in the process of rotating, so that the electrolyte in the conical tank body 1 is not easy to precipitate, thereby avoiding that the electrolyte in the conical tank body 1 has different solubility, and the device has high practicability. At the same time, when the stirring rod 21 rotates, the first connecting rod 41 and the cleaning pipe 31 are synchronously driven to rotate, so that the mixing and stirring degree of the electrolyte in the conical tank body 1 is improved. When the conical tank body 1 needs to be cleaned, first, the drain valve 15 is opened, the residual electrolyte in the conical tank body 1 is discharged, so that the bottom of the conical tank body 1 of the device is not easy to be left with electrolyte, then the cleaning water is injected into the stirring rod 21 through the cleaning liquid pipe 35, the cleaning water flows into the first connecting pipe 32 after passing through the stirring rod 21 and then flows into the cleaning pipe 31, and finally is sprayed towards the inner wall of the conical tank body 1 through the through hole 33 on the cleaning pipe 31, so that the inner wall of the conical tank body 1 is cleaned. When different types of electrolyte need to be replaced, the conical tank body 1 is cleaned more conveniently, thereby reducing the workload of cleaning the conical tank body 1 and reducing the waste rate of the electrolyte.
[0047] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Any person skilled in the art can make many possible changes and modifications to the technical content of the above-described technical solution of the present application without departing from the technical solution of the present application, or modify it into equivalent embodiments with equivalent changes. Therefore, any modification, change and modification of the above embodiments according to the technical content of the present application, and equivalent changes, all belong to the protection scope of the technical solution.
Claims
1. A lithium-ion electrolyte filling device, characterized in that: The utility model provides a kind of electrolyte tank, including conical tank (1) and cylindrical tank (11), the conical tank (1) is communicated and is arranged at the bottom of cylindrical tank (11), one side of the cylindrical tank (11) is communicated and is provided with liquid inlet pipe (12), the bottom of the conical tank (1) is communicated and is provided with tee (13), the bottom end of tee (13) is communicated and is provided with liquid outlet pipe (14), liquid outlet valve (15) is communicated and is provided on the liquid outlet pipe (14), the other end of tee (13) is communicated and is provided with liquid outlet pipe (16), multiple liquid outlet heads (17) are communicated and are provided on the liquid outlet pipe (16) along the length direction of itself, stirring assembly (2) is provided in the conical tank (1), the stirring assembly (2) includes stirring rod (21), the stirring rod (21) is coaxially rotationally arranged in the inside of conical tank (1), and one end of the stirring rod (21) extends to the outside of cylindrical tank (11), support frame (22) is provided on the cylindrical tank (11), the stirring rod (21) is rotationally connected with support frame (22), the bottom of the stirring rod (21) is coaxially provided with impeller (23) for stirring electrolyte, driving motor (24) is fixedly provided at the top of the cylindrical tank (11), driving motor (24) is coaxially provided with driving gear (25) on the output shaft, the stirring rod (21) is coaxially provided with driven gear (26), the driving gear (25) is engaged with driven gear (26), the stirring rod (21) is provided with cleaning assembly (3) for cleaning conical tank (1), the cleaning assembly (3) includes cleaning pipe (31) and multiple first connecting pipes (32), the stirring rod (21) is hollowly arranged, multiple first connecting rods (41) are evenly arranged along the length direction of stirring rod (21), and multiple the first connecting pipes (32) are respectively communicated with stirring rod (21), the cleaning pipe (31) is respectively communicated with multiple first connecting pipes (32), multiple through holes (33) are evenly provided on the cleaning pipe (31) along the length direction of itself, rotating joint (34) is communicated and is provided at the top of the stirring rod (21), cleaning liquid pipe (35) is communicated and is provided at one end of rotating joint (34), auxiliary cleaning assembly (4) is provided on the stirring rod (21).
2. The lithium-ion electrolyte filling device according to claim 1, characterized in that: The auxiliary cleaning assembly (4) includes first connecting rod (41) and second connecting rod (42), one end of the first connecting rod (41) is connected with the stirring rod (21), the other end of the first connecting rod (41) is provided with first cleaning block (43), the first cleaning block (43) is provided with scraping strip (44), one end of the second connecting rod (42) is connected with the stirring rod (21), and the other end is provided with second cleaning block (45), multiple bristles (46) are evenly provided on the second cleaning block (45).
3. The lithium-ion electrolyte filling device according to claim 2, wherein: The auxiliary cleaning assembly (4) further comprises a second connecting pipe (47) located inside the cylindrical tank body (11), one end of the second connecting pipe (47) being communicated with the stirring rod (21), and a plurality of spray heads (48) being uniformly and communicatively arranged on the second connecting pipe (47) along the length direction of the second connecting pipe (47).
4. The lithium-ion electrolyte filling device according to claim 3, characterized in that: The stirring rod (21) is uniformly and communicatively provided with a plurality of second connecting pipes (47) along the circumference of the stirring rod (21).
5. The lithium-ion electrolyte filling device according to claim 1, wherein: The conical tank body (1) is provided with a transparent observation window (5).
6. The lithium-ion electrolyte filling device according to claim 1, wherein: The liquid outlet pipe (16) is obliquely arranged, and the mounting height of the end of the liquid outlet pipe (16) close to the tee joint (13) is lower than the mounting height of the end of the liquid outlet pipe (16) close to the liquid outlet head (17).
7. The lithium-ion electrolyte filling device according to claim 6, wherein: The interior of the stirring rod (21) is provided with a one-way valve (51).
8. The lithium-ion electrolyte filling device according to claim 1, wherein: The conical tank body (1) is sleeved with a fixing ring (52), and the fixing ring (52) is connected with a fixing seat (53).