A filling device for battery electrolyte

Abstract

The utility model discloses a perfusion device for battery electrolyte, relates to the technical field of perfusion devices, and aims to solve the problem that the existing perfusion device assists the perfusion by setting a plug-in structure when perfusing the electrolyte, but lacks an effective quantitative mechanism for the electrolyte, resulting in different amounts of electrolyte perfused in each inner cavity of the battery. The utility model comprises a bottom support frame, the upper end of the bottom support frame is integrally formed with a bearing platform, the upper end of the bearing platform is provided with a power supply box, and the bottom support frame is provided with an electric push rod; it also includes: a battery support plate, which is arranged at the upper end center position of the bearing platform, and an electromagnet is arranged inside the battery support plate, and four clamping end blocks are placed and arranged at the upper end of the battery support plate; a top frame, which is welded and arranged at the upper end position of the bearing platform, the top frame is located directly above the battery support plate, and the upper end of the top frame is provided with a temporary storage measuring cylinder, and the bottom of the temporary storage measuring cylinder is connected and provided with a drain pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of filling devices, in particular to a filling device for battery electrolyte. Background Art

[0002] Electrolyte is the medium used in chemical batteries, electrolytic capacitors, etc. The battery needs to be filled with electrolyte during use. Electrolyte is a necessary component of the battery. It can carry ions, allowing electrons to flow between the positive and negative electrodes, thereby generating electrical energy.

[0003] For example, the announcement number is: CN215771463U (named as an electrolyte perfusion device for battery production), including: a workbench; a support frame, the support frame is fixedly mounted on the top of the workbench; four fixing rods, the four fixing rods are fixedly mounted on the top inner wall of the support frame; a sealing box, the sealing box is fixedly mounted on the bottom ends of the four fixing rods; an operation port, the operation port is opened on one side of the sealing box; a pressure relief hole, the pressure relief hole is opened on one side of the sealing box; a vacuum pump, the vacuum pump is fixedly mounted on the top of the support frame; an exhaust pipe, the exhaust pipe is fixedly mounted on the air inlet end of the vacuum pump, and the air inlet of the exhaust pipe extends into the sealing box; a lifting mechanism, the lifting mechanism is arranged on the top of the workbench, and the lifting mechanism is located directly below the sealing box; a storage plate, the storage plate is arranged on the top of the lifting mechanism; a fixing mechanism, the fixing mechanism is arranged on the workbench, and the fixing mechanism is located on one side of the support frame; an infusion mechanism, the infusion mechanism is arranged on the workbench.

[0004] The above-mentioned filling device assists the filling of electrolyte by means of a plug-in structure, but lacks an effective quantitative mechanism for the electrolyte, resulting in the problem of different amounts of electrolyte filled into each inner cavity of the battery. To this end, we provide a filling device for battery electrolyte. Utility Model Content

[0005] The utility model aims to provide a filling device for battery electrolyte, so as to solve the problem that the existing filling device proposed in the above background technology assists the filling by setting a plug-in structure when filling the electrolyte, but the plug-in lacks an effective quantitative mechanism for the electrolyte, resulting in different amounts of electrolyte filled in each inner cavity of the battery.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for filling battery electrolyte, comprising a bottom support frame, the upper end of the bottom support frame is integrally provided with a bearing platform, the upper end of the bearing platform is provided with a power box, and an electric push rod is provided on the bottom support frame;

[0007] Also includes:

[0008] A battery support plate is arranged at the center of the upper end of the carrying platform, and an electromagnet is arranged inside the battery support plate. Four clamping end blocks are arranged at the upper end of the battery support plate;

[0009] A top frame is welded and arranged on the upper end of the bearing platform. The top frame is located directly above the battery support plate. A temporary storage measuring cylinder is arranged on the upper end of the top frame. A liquid discharge pipe is connected to the bottom of the temporary storage measuring cylinder. A liquid discharge valve is arranged at the starting end of the liquid discharge pipe.

[0010] A horizontal connecting pipe is connected to the lower end of the drainage pipe, and the lower end of the horizontal connecting pipe is connected to five shunt pipes, the lower ends of the five shunt pipes are connected to branch conduits, and the starting ends of the five shunt pipes are provided with microvalves.

[0011] Preferably, a perfusion nozzle is installed at the lower end of the branch conduit, and a filter screen is arranged inside the perfusion nozzle.

[0012] Preferably, a threaded bottom tube is provided at the bottom of the bottom support frame, the threaded bottom tube and the bottom support frame are an integral structure, a sleeve thread is provided on the inner wall of the injection nozzle, and the injection nozzle is sleeved and fixedly connected with the threaded bottom tube through the sleeve thread.

[0013] Preferably, a power switch is provided between the power box and the battery support plate, and connecting wires are provided at both ends of the power switch.

[0014] Preferably, the output end of the power box is electrically connected to the input end of the power switch through a connecting wire, and the output end of the power switch is electrically connected to the input end of the electromagnet through a connecting wire.

[0015] Preferably, a central opening is provided at the inner center position of the bearing platform, and the piston rod of the electric push rod passes through the central opening and is fixedly connected to the battery support plate by screws.

[0016] Preferably, the four locking end blocks are adsorbed and connected to the battery support plate via an electromagnet.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. The utility model drives the battery support plate to rise by an electric push rod, so that the filling nozzle at the bottom of the branch conduit is inserted into each electrolyte injection port of the battery, and then the electrolyte of the required injection amount is measured in the temporary storage cylinder according to the need, and then the liquid outlet valve is opened, and the micro valve on one of the five branch conduits is opened, so that the measured electrolyte flows into the corresponding branch conduit through the horizontal connecting pipe and the shunt pipe, and is injected into the inner cavity of the battery after being filtered through the filter screen. In this way, the electrolyte is continuously filled into the remaining four battery inner cavities, thereby ensuring that the electrolyte injection amount in each inner cavity of the battery is equal, overcoming the problem that the existing filling device assists the filling by the inserted tube structure when filling the electrolyte, but the inserted tube lacks an effective quantitative mechanism for the electrolyte, resulting in different amounts of electrolyte filled into each inner cavity of the battery.

[0019] 2. By placing the four end blocks against the outer walls of the four ends of the battery and pressing the power switch, the power box supplies power to the electromagnet. After the electromagnet is powered, magnetic force is generated to adsorb and fix the four end blocks, thereby improving the stability of the battery during the electrolyte filling process. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of the battery electrolyte injection device of the utility model;

[0021] Figure 2 This is a schematic diagram of the branch pipeline structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the split structure of the branch catheter and the perfusion nozzle of the utility model;

[0023] Figure 4 This is a schematic diagram of the battery support structure of the utility model;

[0024] In the figure: 1. bottom support frame; 2. load-bearing platform; 3. electric push rod; 4. top frame; 5. battery support plate; 6. clamping end block; 7. power box; 8. power switch; 9. temporary storage cylinder; 10. liquid outlet valve; 11. branch conduit; 12. drain pipe; 13. horizontal connecting pipe; 14. shunt pipe; 15. micro valve; 16. perfusion plug; 17. threaded bottom pipe; 18. socket thread; 19. filter screen; 20. electromagnet; 21. center hole; 22. connect wires. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0026] See also Figure 1-4The utility model provides an embodiment: a device for filling battery electrolyte, comprising a bottom support frame 1, a carrying platform 2 is integrally formed on the upper end of the bottom support frame 1, a power supply box 7 is arranged on the upper end of the carrying platform 2, and an electric push rod 3 is arranged on the bottom support frame 1;

[0027] Also includes:

[0028] A battery support plate 5 is arranged at the center of the upper end of the carrying platform 2, and an electromagnet 20 is arranged inside the battery support plate 5. Four clamping end blocks 6 are arranged at the upper end of the battery support plate 5;

[0029] The top frame 4 is welded and arranged on the upper end of the carrying platform 2. The top frame 4 is located directly above the battery support plate 5. A temporary storage measuring cylinder 9 is arranged on the upper end of the top frame 4. A discharge pipe 12 is arranged at the bottom of the temporary storage measuring cylinder 9. A liquid outlet valve 10 is arranged at the starting end of the discharge pipe 12.

[0030] The horizontal connecting pipe 13 is connected to the lower end of the discharge pipe 12, and the lower end of the horizontal connecting pipe 13 is connected to five shunt pipes 14, the lower ends of the five shunt pipes 14 are connected to branch conduits 11, and the starting ends of the five shunt pipes 14 are provided with microvalves 15.

[0031] When in use, the battery support plate is raised by the electric push rod, so that the filling nozzle at the bottom of the branch conduit is inserted into each electrolyte injection port of the battery, and then the required amount of electrolyte is measured in the temporary storage cylinder as needed, and then the liquid outlet valve is opened, and the micro valve on one of the five branch conduits is opened, so that the measured electrolyte flows into the corresponding branch conduit through the horizontal connecting pipe and the shunt pipe, and is injected into the inner cavity of the battery after being filtered through the filter screen. In this way, the electrolyte is continued to be filled into the remaining four battery cavities, thereby ensuring that the electrolyte injection amount in each inner cavity of the battery is equal.

[0032] See also Figure 3 A filling nozzle 16 is installed at the lower end of the branch conduit 11, and a filter screen 19 is arranged inside the filling nozzle 16. The filling nozzle 16 installed at the lower end of the branch conduit 11 plays the role of inserting into the battery cavity to fill the electrolyte.

[0033] See also Figure 3 A threaded bottom tube 17 is provided at the bottom of the bottom support frame 1. The threaded bottom tube 17 and the bottom support frame 1 are an integral structure. A sleeve thread 18 is provided on the inner wall of the injection nozzle 16. The injection nozzle 16 is sleeved and fixedly connected with the threaded bottom tube 17 through the sleeve thread 18. The threaded bottom tube 17 provided at the bottom of the bottom support frame 1 serves to facilitate the installation and connection of the injection nozzle 16.

[0034] See also Figure 1 and Figure 4A power switch 8 is provided between the power box 7 and the battery tray 5, and connection wires 22 are provided at both ends of the power switch 8. The power switch 8 provided between the power box 7 and the battery tray 5 plays a role in controlling the start and stop of the power supply of the electromagnet 20.

[0035] See also Figure 1 and Figure 4 The output end of the power box 7 is electrically connected to the input end of the power switch 8 through the connecting wire 22, and the output end of the power switch 8 is electrically connected to the input end of the electromagnet 20 through the connecting wire 22.

[0036] See also Figure 4 A central through hole 21 is provided at the inner center position of the carrying platform 2. The piston rod of the electric push rod 3 passes through the central through hole 21 and is fixedly connected to the battery support plate 5 by screws. The central through hole 21 provided at the inner center position of the carrying platform 2 facilitates the piston rod of the electric push rod 3 to pass through the carrying platform 2.

[0037] See also Figure 1 and Figure 4 The four locking end blocks 6 are adsorbed and connected to the battery support plate 5 through the electromagnet 20.

[0038] Working principle: When in use, the battery that needs to be filled with electrolyte is placed on the battery support plate 5, so that the several electrolyte injection ports of the battery are aligned with the branch conduit 11, and then the four clamping end blocks 6 are clamped against the four end outer walls of the battery, and the power switch 8 is pressed, so that the power box 7 supplies power to the electromagnet 20. After the electromagnet 20 is powered, a magnetic force is generated to adsorb and fix the four clamping end blocks 6, thereby improving the stability of the battery during the electrolyte filling process. Then, the battery support plate 5 is raised by the electric push rod 3, so that the filling nozzle 16 at the bottom of the branch conduit 11 is inserted into each electrode of the battery. The electrolyte is poured into the electrolyte injection port, and then the required amount of electrolyte is measured in the temporary measuring cylinder 9 as needed, and then the liquid outlet valve 10 is opened, and the micro valve 15 on one of the five branch conduits 11 is opened, so that the measured electrolyte flows into the corresponding branch conduit 11 through the horizontal connecting pipe 13 and the shunt pipe 14, and is injected into the inner cavity of the battery after being filtered through the filter screen 19. In this way, the electrolyte is continued to be poured into the remaining four battery cavities, thereby ensuring that the amount of electrolyte injected into each inner cavity of the battery is equal, and the use of the filling device for battery electrolyte is completed.

[0039] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A device for filling battery electrolyte, comprising a bottom support frame (1), a bearing platform (2) being integrally formed at the upper end of the bottom support frame (1), a power supply box (7) being arranged at the upper end of the bearing platform (2), and an electric push rod (3) being arranged on the bottom support frame (1); Features: Also includes: A battery support plate (5) is arranged at the center of the upper end of the carrying platform (2), and an electromagnet (20) is arranged inside the battery support plate (5). Four locking end blocks (6) are arranged at the upper end of the battery support plate (5); A top frame (4) is welded and arranged at the upper end of the bearing platform (2). The top frame (4) is located directly above the battery support plate (5). A temporary storage measuring cylinder (9) is arranged at the upper end of the top frame (4). A liquid discharge pipe (12) is arranged at the bottom of the temporary storage measuring cylinder (9). A liquid discharge valve (10) is arranged at the starting end of the liquid discharge pipe (12). A horizontal connecting pipe (13) is arranged in communication with the lower end of the liquid discharge pipe (12), and the lower end of the horizontal connecting pipe (13) is connected to five branch pipes (14), the lower ends of the five branch pipes (14) are all connected to branch conduits (11), and the starting ends of the five branch pipes (14) are all provided with micro valves (15).

2. A battery electrolyte filling device according to claim 1, characterized in that: The lower end of the branch conduit (11) is provided with a perfusion nozzle (16), and a filter screen (19) is arranged inside the perfusion nozzle (16).

3. A battery electrolyte filling device according to claim 2, characterized in that: A threaded bottom tube (17) is provided at the bottom of the bottom support frame (1), the threaded bottom tube (17) and the bottom support frame (1) are an integral structure, a sleeve thread (18) is provided on the inner wall of the injection nozzle (16), and the injection nozzle (16) is sleeved and fixedly connected to the threaded bottom tube (17) via the sleeve thread (18).

4. A battery electrolyte filling device according to claim 1, characterized in that: A power switch (8) is provided between the power supply box (7) and the battery support plate (5), and connecting wires (22) are provided at both ends of the power switch (8).

5. A battery electrolyte filling device according to claim 4, characterized in that: The output end of the power box (7) is electrically connected to the input end of the power switch (8) through a connecting wire (22), and the output end of the power switch (8) is electrically connected to the input end of the electromagnet (20) through a connecting wire (22).

6. A battery electrolyte filling device according to claim 1, characterized in that: A central opening (21) is provided at the inner center position of the bearing platform (2), and the piston rod of the electric push rod (3) passes through the central opening (21) and is fixedly connected to the battery support plate (5) by screws.

7. A battery electrolyte filling device according to claim 1, characterized in that: The four locking end blocks (6) are adsorbed and connected to the battery support plate (5) via an electromagnet (20).

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