Lithium battery formation negative pressure detection cleaning device

Abstract

The utility model provides a lithium battery formation negative pressure detecting and cleaning device which comprises a detecting mechanism and a cleaning mechanism, the detecting mechanism comprises a plurality of detecting units, each detecting unit comprises a detecting cavity and a vacuum meter, the detecting cavities are connected with the vacuum meters, each detecting cavity is of a hollow structure, a detecting opening is formed in the upper portion of each detecting cavity, and the detecting openings are matched with negative pressure suction nozzles in shape. The bottom of the detection cavity is connected with the cleaning mechanism. According to the utility model, the negative pressure condition of the negative pressure suction nozzle is detected through the detection unit, the negative pressure detection function of a single cabinet point is realized, the risk of negative pressure disqualification is reduced, the negative pressure formation quality of the battery is improved, the basis is provided for negative pressure disqualification maintenance, and the maintenance difficulty is reduced; and the negative pressure main pipeline and the negative pressure suction nozzle are cleaned through the cleaning mechanism, so that the manual disassembly and cleaning difficulty is reduced, the cleaning efficiency is improved, and the labor cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the lithium battery formation technical field, concretely relates to a lithium battery formation negative pressure detection cleaning device. BACKGROUND

[0002] With the rapid development of lithium battery, the requirement of lithium battery product quality and product performance is higher and higher, wherein square lithium battery production increases formation negative pressure function in formation process to improve battery interface and improve formation process exhaust effect. Therefore, the formation cabinet is provided with negative pressure pipeline, negative pressure suction nozzle and other devices, but the formation negative pressure process also takes out part of electrolyte with the removal of gas, and the long-time accumulation of electrolyte can cause problems such as pipeline blockage, corrosion damage and the like, therefore, the negative pressure effect can be affected, and the cleaning difficulty is great due to more pipelines, the existing formation cabinet only has a main pipeline provided with a negative pressure gauge, therefore, the negative pressure value of each cabinet point cannot be detected, and the actual negative pressure condition of each battery cannot be effectively judged. The negative pressure gauge of the main pipeline can detect that the negative pressure of the formation cabinet is unqualified, but cannot detect which cabinet point appears negative pressure unqualified, so that the negative pressure pipeline and negative pressure suction nozzle cannot be maintained or cleaned in time, resulting in low formation negative pressure efficiency. SUMMARY

[0003] The technical problem to be solved by the utility model lies in how to provide a device capable of realizing single cabinet point negative pressure detection function and cleaning negative pressure pipeline and suction nozzle.

[0004] The utility model solves the above technical problem by the following technical scheme:

[0005] The utility model provides a lithium battery formation negative pressure detection cleaning device, including detection mechanism and cleaning mechanism, detection mechanism is a plurality of detection units, and the detection unit includes detection cavity and vacuum gauge, and the detection cavity is connected with the vacuum gauge, the detection cavity is hollow structure and is provided with detection port in upper portion, the detection port is matched with the shape of negative pressure suction nozzle, and the bottom of detection cavity is connected with cleaning mechanism.

[0006] Beneficial effects: the utility model detects the negative pressure condition of negative pressure suction nozzle through detection unit, realizes single cabinet point negative pressure detection function, reduces negative pressure unqualified risk, improves battery negative pressure formation quality, provides basis for negative pressure unqualified maintenance at the same time, reduces maintenance difficulty, through cleaning mechanism, the negative pressure suction nozzle is cleaned, the difficulty of manual dismounting and cleaning is reduced, the cleaning efficiency is improved, and the labor cost is reduced.

[0007] Preferably, the negative pressure suction nozzle is provided with a plurality of negative pressure suction nozzles, and the negative pressure suction nozzle is connected with the detection port.

[0008] Beneficial effects: the detection port of detection cavity is connected with the negative pressure suction nozzle, and the vacuum gauge can detect the vacuum value of the negative pressure suction nozzle, so that whether single cabinet point has negative pressure unqualified phenomenon such as air leakage and blockage can be judged from the vacuum value.

[0009] The detection cavity is connected with a vacuum gauge through a pipeline, and a detection valve is arranged on the pipeline.

[0010] Beneficial effect: when detection is not needed, the detection valve is closed, and the main pipeline and the negative pressure suction nozzle can be cleaned.

[0011] Preferably, the cleaning mechanism comprises a branch pipeline, a main pipeline, a liquid storage tank and a motor, the bottom of the detection cavity is connected with the branch pipeline, a cleaning valve is arranged on the branch pipeline, the branch pipelines of a plurality of detection cavities converge into the main pipeline, the main pipeline is connected with the liquid storage tank, the liquid storage tank is connected with the motor, and the motor is connected with the main pipeline.

[0012] Beneficial effect: the cleaning agent in the liquid storage tank is introduced into the main pipeline through the motor for cleaning, the main pipeline is connected with the detection unit through the negative pressure suction nozzle, therefore, the cleaning agent enters the detection cavity of the detection unit through the negative pressure suction nozzle, and then returns to the main pipeline through the branch pipeline, so that the main pipeline returns to the liquid storage tank, and the main pipeline and the negative pressure suction nozzle are cleaned in circulation, the cleaning function of the main pipeline and the negative pressure suction nozzle is realized, the difficulty of manual disassembly and cleaning is reduced, the cleaning efficiency is improved, and the labor cost is reduced.

[0013] Preferably, the utility model also includes a power supply module, a wireless transmission module and a control module, the power supply module is equipped with switch button and charging interface, the control module is connected with the cleaning valve and the detection valve through control line, and the wireless transmission module is connected with the control module.

[0014] Beneficial effect: the utility model discloses a detection mechanism and cleaning mechanism are powered through the power supply module, and the opening and closing of the detection valve and the cleaning valve are controlled through the control module, so that the state of detection and cleaning is exchanged.

[0015] Preferably, the wireless transmission module is wirelessly connected with an operation screen.

[0016] Preferably, the liquid storage tank is provided with a liquid adding port, a liquid outlet pipe and a liquid discharge pipe at the bottom, the liquid outlet pipe is connected with the motor and is provided with a liquid outlet valve, and the liquid discharge pipe is provided with a liquid discharge valve.

[0017] Beneficial effect: the cleaning agent is added through the liquid adding port, and after a period of cleaning, the cleaning agent in the liquid storage tank can be discharged through the liquid discharge pipe.

[0018] Preferably, the main pipeline is connected with a blowing and cleaning unit.

[0019] Beneficial effect: the main pipeline and the negative pressure suction nozzle are discharged through the blowing and cleaning unit, so that the residual electrolyte or cleaning agent in the main pipeline and the negative pressure suction nozzle does not adversely affect the next formation of negative pressure.

[0020] Preferably, the gas of the blowing cleaning unit is nitrogen.

[0021] Beneficial effects: the utility model discloses a positive pressure purge is carried out through nitrogen, effectively avoid the main pipe and negative pressure suction nozzle residual electrolyte or cleaning agent to the next formation negative pressure produce adverse effect, improve the quality of battery. BRIEF DESCRIPTION OF DRAWINGS

[0022] Fig. 1 It is the plane structure schematic diagram of the lithium battery formation negative pressure detection cleaning device of the embodiment;

[0023] Fig. 2 It is the side structure schematic diagram of the lithium battery formation negative pressure detection cleaning device of the embodiment. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantage of the utility model embodiment more clear, the technical scheme in the utility model embodiment will be clearly and completely described below, obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the protection scope of the utility model.

[0025] In the description of the utility model, it is necessary to explain that the orientation or position relation indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relation shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and is not indicative or implied that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore, it cannot be understood as the limitation of the utility model, in addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicative or implied relative importance. It should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, can be fixedly connected, can be detachably connected, or integrally connected, can be mechanically connected, or electrically connected, can be directly connected, or indirectly connected through an intermediate medium, can be the communication of two elements inside. For the ordinary skill in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0026] According to Figs. 1-2As shown, the embodiment provides a lithium battery formation negative pressure detection and cleaning device, which comprises a detection mechanism and a cleaning mechanism. The detection mechanism is a plurality of detection units 10. The number of detection units 11 is the same as the number of negative pressure nozzles 41. The detection unit comprises a detection cavity 11 and a vacuum gauge 12. The detection cavity 11 is in communication with the vacuum gauge 12 through a pipeline. A detection valve 13 is arranged on the pipeline. The material of the detection valve 13 is resistant to electrolyte corrosion and pressure. The detection cavity 11 is a hollow structure, and a detection port 11a is arranged at the upper part. The main pipeline 40 in the formation cabinet is provided with a plurality of negative pressure nozzles 41. The detection port 11a is in communication with the negative pressure nozzle 41 during detection. The shape of the detection port 11a matches that of the negative pressure nozzle 41, preventing air leakage at the connection during detection. The material of the detection cavity 11 is resistant to electrolyte corrosion and pressure.

[0027] The cleaning mechanism comprises a branch pipe (not marked in the figure), a main pipe 20, a liquid storage tank 22 and a motor 50. The bottom of the detection cavity 11 is in communication with the branch pipe. A cleaning valve 21 is arranged on the branch pipe. The material of the cleaning valve 21 is resistant to electrolyte corrosion and pressure. The branch pipes connected by a plurality of detection cavities 11 finally flow into the main pipe 20. The main pipe 20 is in communication with the liquid storage tank 22. The liquid storage tank 22 is in communication with the main pipeline 40 through the motor 50. The motor 50 is in communication with the main pipeline 40 through a pipeline. A valve (not shown in the figure) is arranged on the pipeline. The cleaning agent in the liquid storage tank 22 is introduced into the main pipeline 40 through the motor 50 to clean the main pipeline 40. The main pipeline 40 is in communication with the detection cavity 11 through the negative pressure nozzle 41. The cleaning agent enters the detection cavity 11 through the negative pressure nozzle 41 and then returns to the main pipe 20 through the branch pipe and finally returns to the liquid storage tank 22. Through the motor 50, multiple cycles of cleaning are realized to achieve the cleaning function of the main pipeline 40 and the negative pressure nozzle 41, reduce the difficulty of manual disassembly of the main pipeline 40 or the negative pressure nozzle 41, improve the cleaning efficiency, reduce the labor cost, and the materials of the branch pipe and the main pipe 20 are resistant to electrolyte corrosion and pressure.

[0028] The top of the liquid storage tank 22 is provided with a liquid inlet 22a for adding cleaning agent or water. The two sides of the bottom of the liquid storage tank 22 are respectively provided with a liquid outlet pipe 22b and a liquid discharge pipe 22c. The liquid outlet pipe 22b is used to connect the liquid storage tank 22 and the motor 50. A liquid outlet valve (not shown in the figure) is arranged on the liquid outlet pipe 22b. A liquid discharge valve (not shown in the figure) is arranged on the liquid discharge pipe 22c.

[0029] The main pipeline 40 is communicated with the blowing cleaning unit through a pipeline, and a blowing valve (not shown in the figure) is arranged on the pipeline. The gas in the blowing cleaning unit is nitrogen. The blowing cleaning unit has two functions. Firstly, when the battery completes the formation of negative pressure, the nitrogen positive pressure of the blowing cleaning unit can discharge the electrolyte in the main pipeline 40 and the negative pressure nozzle 41, reduce the electrolyte residue in the main pipeline 40 and the negative pressure nozzle 41, and prevent the main pipeline 40 and the negative pressure nozzle 41 from being blocked. Secondly, when the main pipeline 40 is completed, the nitrogen positive pressure of the blowing cleaning unit can discharge the cleaning agent remaining in the main pipeline 40, the negative pressure nozzle 41 and the cleaning mechanism through the liquid discharge pipe 22c of the liquid storage tank 22, effectively avoiding the adverse effects of the remaining cleaning agent in the main pipeline 40 and the negative pressure nozzle 41 on the next formation of negative pressure.

[0030] The power supply module 1, the wireless transmission module 2 and the control module 3 are further included. The power supply module 1 is provided with a switch button 32 and a charging interface 33. The control module 3 is connected with the cleaning valve 21, the detection valve 13 and the vacuum gauge 12 through a control line 31. The wireless transmission module 2 is connected with the control module 3. The wireless transmission module 3 is wirelessly connected with an operation screen (not shown in the figure). The detection and cleaning are controlled through the operation screen. The detection mechanism and the cleaning mechanism are powered through the power supply module 1. The power supply module 1 is charged through the charging interface 33. The power supply module 1 powers the detection mechanism and the cleaning mechanism through the switch button 32.

[0031] The working principle of the lithium battery formation negative pressure detection and cleaning device of the embodiment is as follows:

[0032] 1. When the formation cabinet is detected, the vacuum valve, the valve and the cleaning valve of the main pipeline 40 are manually closed. The negative pressure nozzle 41 of the main pipeline 40 is connected with the detection port 11a. The switch button 32 is turned on to realize the power supply of the detection mechanism by the power supply module 1. The wireless transmission module 2 is wirelessly connected with the operation screen. The detection valve 13 is opened and the cleaning valve 21 is closed through the operation screen. The vacuum gauge 12 can detect the vacuum value of the detection cavity 11 through the pipeline, that is, the vacuum value of the negative pressure nozzle 41. The vacuum value is displayed on the operation screen. Whether the cabinet point has the negative pressure unqualified phenomenon such as air leakage and blockage is judged through the vacuum value.

[0033] 2. (1) When the formation cabinet is cleaned, manually close the vacuum valve and the cleaning valve of the main pipe 40, connect the negative pressure suction nozzle 41 of the main pipe 40 with the detection port 11a, open the switch button 32 to realize the power supply of the cleaning mechanism by the power supply module 1, make the wireless transmission module 2 wirelessly connected with the operation screen, open the cleaning valve 21 through the operation screen, close the detection valve 13, add the cleaning agent to the liquid storage tank 22 through the liquid inlet 22a, open the liquid outlet valve, start the motor 50, pass the cleaning agent in the liquid storage tank 22 into the main pipe 40 through the motor 50, and then into the plurality of negative pressure suction nozzles 41 in sequence, clean the main pipe 40 and the negative pressure suction nozzle 41, the cleaning agent enters the detection cavity 11 through the negative pressure suction nozzle 41, then enters the branch pipe through the detection cavity 11, enters the main pipe 20 through the branch pipe, and then returns to the liquid storage tank 22, the above cleaning is performed multiple times through the motor 50, the cleaning function of the main pipe 40 and the negative pressure suction nozzle 41 is realized, the difficulty of manual disassembly of the main pipe 40 or the negative pressure suction nozzle 41 is reduced, the cleaning efficiency is improved, and the labor cost is reduced.

[0034] (2) Close the motor 50 and the liquid outlet valve, open the liquid discharge valve and the purge valve, and through the nitrogen positive pressure effect, the residual cleaning agent in the main pipe 40, the negative pressure suction nozzle 41, the branch pipe and the main pipe 20 can be discharged through the liquid discharge pipe 22c of the liquid storage tank 22, effectively avoiding the adverse effect of the residual cleaning agent in the main pipe 40 and the negative pressure suction nozzle 41 on the next formation negative pressure.

[0035] The lithium battery formation negative pressure detection and cleaning device of the embodiment realizes the cleaning function of the negative pressure pipe and the suction nozzle through the cleaning mechanism, reduces the difficulty of manual disassembly and cleaning, improves the cleaning efficiency, reduces the labor cost, the cleaning mechanism has a simple structure and is convenient to operate, the cleaning frequency can be improved according to the actual situation of the main pipe 40 and the negative pressure suction nozzle 41, thereby reducing the damage of the main pipe 40 of the formation cabinet, reducing the maintenance cost and improving the battery quality; through the air blowing and cleaning unit, the influence of the residual electrolyte or cleaning agent in the main pipe and the negative pressure suction nozzle on the next battery formation negative pressure battery can be effectively avoided, and the battery quality is improved; the detection mechanism can effectively detect the negative pressure condition of a single cabinet point, reduce the risk of unqualified negative pressure, improve the battery quality, and provide a basis for maintenance of unqualified negative pressure, and reduce the maintenance difficulty.

[0036] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A lithium battery formation negative pressure detection and cleaning device, characterized in that, It includes a detection mechanism and a cleaning mechanism. The detection mechanism consists of multiple detection units (10). Each detection unit (10) includes a detection chamber (11) and a vacuum gauge (12). The detection chamber (11) is connected to the vacuum gauge (12). The detection chamber (11) is a hollow structure and has a detection port (11a) at the top. The detection port (11a) is shaped to match the negative pressure suction nozzle (41). The bottom of the detection chamber (11) is connected to the cleaning mechanism.

2. The lithium battery formation negative pressure detection and cleaning device according to claim 1, characterized in that, Multiple negative pressure suction nozzles (41) are provided, and the negative pressure suction nozzles (41) are connected to the detection port (11a).

3. The lithium battery formation negative pressure detection and cleaning device according to claim 1, characterized in that, The detection chamber (11) is connected to the vacuum gauge (12) through a pipe, and a detection valve (13) is installed on the pipe.

4. The lithium battery formation negative pressure detection and cleaning device according to claim 2, characterized in that, The cleaning mechanism includes branch pipes, a main pipe (20), a storage tank (22), and a motor (50). The bottom of the detection chamber (11) is connected to the branch pipe, and a cleaning valve (21) is provided on the branch pipe. The branch pipes of multiple detection chambers (11) converge into the main pipe (20). The main pipe (20) is connected to the storage tank (22), the storage tank (22) is connected to the motor (50), and the motor (50) is connected to the main pipeline (40).

5. The lithium battery formation negative pressure detection and cleaning device according to claim 1, characterized in that, It also includes a power supply module (1), a wireless transmission module (2) and a control module (3). The power supply module (1) is equipped with a switch button (32) and a charging interface (33). The control module (3) is connected to the cleaning valve (21), the detection valve (13) and the vacuum gauge (12) via a control line (31). The wireless transmission module (2) is connected to the control module (3).

6. The lithium battery formation negative pressure detection and cleaning device according to claim 5, characterized in that, The wireless transmission module (2) is wirelessly connected to the operation screen.

7. The lithium battery formation negative pressure detection and cleaning device according to claim 4, characterized in that, The storage tank (22) is provided with a filling port (22a), and a liquid outlet pipe (22b) and a drain pipe (22c) are provided at its bottom. The liquid outlet pipe (22b) is connected to the motor (50) and is provided with a liquid outlet valve. The drain pipe (22c) is provided with a drain valve.

8. The lithium battery formation negative pressure detection and cleaning device according to claim 4, characterized in that, The main pipe (40) is connected to the air blowing cleaning unit.

9. The lithium battery formation negative pressure detection and cleaning device according to claim 8, characterized in that, The gas used in the air-blowing cleaning unit is nitrogen.

10. The lithium battery formation negative pressure detection and cleaning device according to claim 4, characterized in that, The detection chamber (11) is made of a material resistant to electrolyte corrosion and pressure, the branch pipe and the main pipe (20) are made of a material resistant to electrolyte corrosion and pressure, and the detection valve (13) and the cleaning valve (21) are made of a material resistant to electrolyte corrosion and pressure.

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