Membrane surface oil stain detection and cleaning system

Abstract

The utility model discloses a membrane surface greasy dirt detection and cleaning system, which comprises a greasy dirt detection mechanism arranged on one side of a membrane surface and used for marking and detecting greasy dirt on the membrane surface; the oil stain cleaning mechanism is arranged on one side of the membrane surface and is used for removing the oil stain marked by the oil stain detection mechanism; the oil stain detection mechanism detects and marks oil stains attached to the membrane surface, and the oil stain cleaning mechanism correspondingly cleans according to mark points, so that the oil stains attached to the membrane surface are removed; therefore, the oil stain is prevented from polluting the membrane surface, reducing the surface energy of the membrane surface and influencing the performance of the lithium battery.

Description

Technical Field

[0001] The utility model belongs to the technical field of oil pollution detection and cleaning of lithium battery membrane surfaces, and in particular relates to a membrane surface oil pollution detection and cleaning system. Background Art

[0002] The current collector refers to the structure or part that collects current. In lithium batteries, it mainly refers to metal foil, such as copper foil and aluminum foil. The positive electrode composite current collector is a composite film with a polymer material as the base film and a metal layer plated on both sides of the base film.

[0003] At present, vacuum evaporation deposition is generally used to deposit metal on the membrane surface to manufacture the positive electrode composite current collector. In this process, if the evaporation material is not cleaned properly, oil will be evaporated onto the membrane surface. At the same time, the vacuum pump may return oil into the evaporation chamber during operation, resulting in oil adhesion on the membrane surface. When the membrane surface is contaminated by oil, it will affect the surface energy of the membrane surface, reduce the transmission efficiency of electrons, and thus affect the performance of the battery. In addition, in the subsequent preparation of the electrode, it is necessary to coat the active material on the membrane surface. The oil contamination of the current collector membrane surface will also affect the production of the electrode. Therefore, it is necessary to clean the oil on the membrane surface. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a membrane surface oil stain detection and cleaning system which can clean the oil stain on the membrane surface.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] A membrane surface oil pollution detection and cleaning system, comprising:

[0007] An oil stain detection mechanism is provided on one side of the membrane surface and is used to mark and detect the oil stain on the membrane surface;

[0008] The oil cleaning mechanism is arranged on one side of the membrane surface and is used to remove the oil marked by the oil detection mechanism.

[0009] The membrane surface oil pollution detection and cleaning system as described above further comprises a signal acquisition controller electrically connected to the oil pollution detection mechanism and the oil pollution cleaning mechanism;

[0010] The oil pollution detection mechanism can send out an oil pollution intensity signal; the oil pollution cleaning mechanism can receive the oil pollution intensity signal;

[0011] The signal acquisition controller is used to receive the oil pollution intensity signal emitted by the oil pollution detection mechanism, and send the oil pollution intensity signal to the oil pollution cleaning mechanism.

[0012] The membrane surface oil pollution detection and cleaning system as described above, wherein the oil pollution detection mechanism includes an oil pollution marking group and an oil pollution detection group;

[0013] The oil stain marking group is arranged on one side of the membrane surface, and is used to mark the oil stain on the membrane surface;

[0014] The oil stain detection group is electrically connected to the signal acquisition controller, and is used to detect the oil stain marked by the oil stain marking group and send an oil stain intensity signal to the signal acquisition controller.

[0015] The membrane surface oil pollution detection and cleaning system as described above, wherein the oil pollution cleaning mechanism comprises an organic vapor generating group arranged on one side of the membrane surface;

[0016] The organic vapor generating group comprises an organic vapor nozzle disposed toward the membrane surface, an organic vapor heater connected to the organic vapor nozzle, and an organic solvent supply container connected to the organic vapor heater and used to contain an organic solvent;

[0017] In the membrane surface oil stain detection and cleaning system as described above, the oil stain marking group is an ultraviolet light emitting device, and the oil stain detection group is a photoelectric detection device.

[0018] The membrane surface oil pollution detection and cleaning system as described above, wherein the oil pollution cleaning mechanism further comprises a steam collection group;

[0019] The steam collection group includes a steam collection head arranged toward the membrane surface and a negative pressure generating member connected to the steam collection head and used for providing suction to the steam collection head;

[0020] The negative pressure generating member provides suction to the steam collecting head to draw away excess steam and organic steam with oil stains.

[0021] The membrane surface oil pollution detection and cleaning system as described above, wherein the oil pollution cleaning mechanism further comprises a membrane surface anti-reaction treatment group arranged adjacent to the steam collection head;

[0022] The membrane surface anti-reaction treatment group comprises an anti-reaction material nozzle arranged toward the membrane surface and an anti-reaction material supply container connected to the anti-reaction material nozzle.

[0023] In the membrane surface oil stain detection and cleaning system as described above, the membrane surface anti-reaction treatment group also includes an anti-reaction material heater; the anti-reaction material heater is arranged between the anti-reaction material supply container and the anti-reaction material nozzle; the anti-reaction material supplied by the anti-reaction material supply container is heated by the anti-reaction material heater to form anti-reaction steam.

[0024] In the membrane surface oil stain detection and cleaning system as described above, the organic vapor generating group, the vapor collecting group and the membrane surface anti-reaction treatment group are connected via a gas-liquid separator, and the gas-liquid separator is used to separate the organic vapor and / or the anti-reaction vapor absorbed through the vapor collecting head, so as to guide the liquid separated from the organic vapor and / or the anti-reaction vapor into the organic vapor generating group, and guide the gas separated from the organic vapor and / or the anti-reaction vapor into the membrane surface anti-reaction treatment group in the organic vapor generating group.

[0025] The membrane surface oil stain detection and cleaning system as described above also includes a membrane moving assembly, which is used to drive the membrane surface to pass through the oil stain marking group, the oil stain detection group, the organic vapor nozzle, the vapor collection head and the anti-reaction substance nozzle in sequence.

[0026] The beneficial effects of the utility model are:

[0027] An oil stain detection mechanism and an oil stain cleaning mechanism are set on one side of the membrane surface. The oil stain detection mark attached to the membrane surface is firstly detected, and then the corresponding cleaning is performed according to the marked points to remove the oil stain attached to the membrane surface; thereby, the oil stain is prevented from contaminating the membrane surface, reducing the surface energy of the membrane surface, and preventing the oil stain from affecting the performance of the lithium battery. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0029] Figure 1 Schematic diagram of the membrane surface oil detection and cleaning system of this embodiment.

[0030] Description of Figure Numbers:

[0031] 1. Oil stain detection mechanism; 11. Oil stain marking group; 12. Oil stain detection group; 2. Oil stain cleaning mechanism; 21. Organic vapor generating group; 211. Organic vapor nozzle; 212. Organic vapor heater; 213. Organic solvent supply container; 22. Vapor collecting group; 221. Vapor collecting head; 222. Negative pressure generating element; 23. Membrane surface anti-reaction treatment group; 231. Anti-reaction substance nozzle; 232. Anti-reaction substance supply container; 233. Anti-reaction substance heater; 3. Signal acquisition controller; 5. Membrane moving assembly; 51. Roller; 6. Membrane surface; 7. Evaporation source; 9. Coating chamber; 10. Cleaning room. DETAILED DESCRIPTION

[0032] The following will clearly and completely describe the concept, specific structure and technical effects of the utility model in combination with the embodiments and drawings, so as to fully understand the purpose, characteristics and effects of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, other embodiments obtained by technicians in this field without creative work are all within the scope of protection of the utility model. In addition, all the connection / connection relationships involved in the patent do not refer to the direct connection of components, but refer to the formation of a better connection structure by adding or reducing connection accessories according to the specific implementation situation. The various technical features in the creation of the utility model can be combined interchangeably without conflicting with each other.

[0033] Reference Figure 1 , a membrane surface oil pollution detection and cleaning system, comprising: a membrane, wherein the membrane has two membrane surfaces 6;

[0034] The oil stain detection mechanism 1 is arranged on one side of the membrane surface 6 and is used to mark and detect the oil stain on the membrane surface 6;

[0035] The oil cleaning mechanism 2 is arranged on one side of the membrane surface 6 and is used to remove the oil marked by the oil detection mechanism 1 .

[0036] An oil stain detection mechanism and an oil stain cleaning mechanism are set on one side of the membrane surface. The oil stain detection mark attached to the membrane surface is firstly detected, and then the corresponding cleaning is performed according to the marked points to remove the oil stain attached to the membrane surface; thereby, the oil stain is prevented from contaminating the membrane surface, reducing the surface energy of the membrane surface, and preventing the oil stain from affecting the performance of the lithium battery.

[0037] Furthermore, it also includes a signal acquisition controller 3 electrically connected to the oil pollution detection mechanism 1 and the oil pollution cleaning mechanism 2;

[0038] The oil pollution detection mechanism 1 can send out an oil pollution intensity signal; the oil pollution cleaning mechanism 2 can receive the oil pollution intensity signal;

[0039] The signal acquisition controller 3 is used to receive the oil pollution intensity signal emitted by the oil pollution detection mechanism 1 and send the oil pollution intensity signal to the oil pollution cleaning mechanism 2 .

[0040] Specifically, the oil pollution intensity signal content includes the location information of the oil pollution and the coverage area information of the oil pollution.

[0041] The cleaning intensity of the oil stain cleaning mechanism 2 for the oil stain can be determined according to the oil stain intensity signal fed back by the oil stain detection mechanism 1; for example, when the oil stain cleaning mechanism 2 is cleaning by heating the organic solvent, when the oil stain cleaning mechanism 2 receives the oil stain intensity signal sent by the signal acquisition controller 3 indicating that the oil stain coverage area is large and the oil stain location is densely distributed, the oil stain cleaning mechanism 2 can achieve the purpose of removing the oil stain by increasing the amount of organic solvent, increasing the heating temperature of the organic solvent or extending the cleaning time of the oil stain attachment location; it is simple and fast, and does not require manual operation.

[0042] Specifically, the oil pollution detection mechanism 1 includes an oil pollution marking group 11 and an oil pollution detection group 12;

[0043] The oil stain marking group 11 is arranged on one side of the membrane surface 6 and is used to mark the oil stain on the membrane surface 6;

[0044] The oil stain detection group 12 is electrically connected to the signal acquisition controller 3, and is used to detect the oil stain marked by the oil stain marking group 11 and send an oil stain intensity signal to the signal acquisition controller 3. The oil stain marking group 11 and the oil stain detection group 12 cooperate with each other, so as to accurately identify the oil stain, know the degree of oil stain contamination on the membrane surface and the contamination location; on the one hand, the cooperation between the two can improve the recognition of oil stains and improve work efficiency; on the other hand, the cleaning intensity of the oil stain cleaning mechanism 2 is determined according to the oil stain intensity signal fed back by the oil stain detection mechanism 1, and the setting of the oil stain marking group 11 and the oil stain detection group 12 can reduce the waste of clean energy in the oil stain cleaning mechanism 2.

[0045] Specifically, the oil stain marking group 11 is an ultraviolet light emitting device, which irradiates the oil stain on the membrane surface with ultraviolet light, so that the oil stain attached to the membrane surface is fluorescently excited; the oil stain detection group 12 is a photoelectric detection probe, which detects the fluorescence intensity of the membrane surface and transmits the data to the signal acquisition controller, thereby realizing the detection and positioning of the oil stain on the membrane surface.

[0046] More specifically, the oil cleaning mechanism 2 includes an organic vapor generating group 21 disposed on one side of the membrane surface 6;

[0047] The organic vapor generating group 21 includes an organic vapor nozzle 211 disposed toward the membrane surface 6, an organic vapor heater 212 connected to the organic vapor nozzle 211, and an organic solvent supply container 213 connected to the organic vapor heater 212 and used to contain an organic solvent; the organic solvent supplied by the organic solvent supply container 213 flows through the organic vapor heater 212, and the organic solvent forms organic vapor after being heated by the organic vapor heater 212, and the organic vapor is sprayed onto the membrane surface 6 through the organic vapor nozzle 211.

[0048] Specifically, the organic steam nozzle 211 is electrically connected to the signal acquisition controller 3, and the signal acquisition controller 3 transmits the oil pollution intensity signal sent by the oil pollution detection group 12 to the organic steam generation group 21, thereby controlling the operation of the organic steam nozzle 211;

[0049] The oil stains attached to the membrane surface 6 are organic matter. According to the principle of like dissolves like, the organic vapor can dissolve the oil stains on the membrane surface and carry the oil stains away from the membrane surface.

[0050] The organic solvent refers to acetone, carbon tetrachloride, etc., an organic substance with a boiling point below 100 degrees that does not react with aluminum;

[0051] More specifically, the signal acquisition controller 3 is electrically connected to the organic vapor nozzle 211, and the signal acquisition controller 3 is used to control the switch of the organic vapor nozzle 211;

[0052] More specifically, the signal acquisition controller 3 can also be used to control the on / off duration of the organic vapor nozzle 211 to clean areas with heavy oil pollution.

[0053] More specifically, the oil cleaning mechanism 2 further includes a steam collection group 22;

[0054] The steam collection group 22 includes a steam collection head 221 disposed toward the membrane surface 6 and a negative pressure generating member 222 connected to the steam collection head 221 and used to provide suction to the steam collection head 221;

[0055] The negative pressure generating element 222 provides suction to the steam collecting head 221 to draw away excess steam and organic steam with oil attached, thereby cleaning the membrane surface.

[0056] Specifically, the negative pressure generating element 222 is an induced draft fan.

[0057] Specifically, the oil cleaning mechanism 2 further includes a membrane surface anti-reaction treatment group 23 disposed adjacent to the steam collecting head 221;

[0058] The membrane surface anti-reaction treatment group 23 includes an anti-reaction material nozzle 231 disposed toward the membrane surface 6 and an anti-reaction material supply container 232 connected to the anti-reaction material nozzle 231;

[0059] The anti-reaction material supply container 232 is used to supply anti-reaction material to the anti-reaction material nozzle 231, and the anti-reaction material nozzle 231 is used to spray the anti-reaction material onto the membrane surface 6 treated by the steam collection head 221; so as to purge the organic matter remaining on the membrane surface 6, further clean the membrane surface 6, and prevent the membrane surface 6 from oxidation.

[0060] Specifically, the anti-reaction substance is an inert gas, such as nitrogen or helium, neon, argon, krypton or other inert gases.

[0061] Specifically, the membrane surface anti-reaction treatment group 23 also includes an anti-reaction material heater 233; the anti-reaction material heater 233 is arranged between the anti-reaction material supply container 232 and the anti-reaction material nozzle 231; the anti-reaction material supplied by the anti-reaction material supply container 232 is heated by the anti-reaction material heater 233 to form anti-reaction vapor, such as inactive gas vapor; compared with other substances with anti-reaction properties such as antioxidants, the membrane surface is treated with anti-reaction in the form of steam, and there is no need to consider that the inactive gas will react with the membrane surface, and the inactive gas is colorless, odorless and non-toxic, so it is relatively safe in industrial and scientific applications.

[0062] like Figure 1 As shown, during the operation of the vapor collection group 22, in addition to organic vapor, anti-reaction vapor may also be inhaled; specifically, the organic vapor generation group 21, the vapor collection group 22 and the membrane surface anti-reaction treatment group 23 are connected through a gas-liquid separator 4, and the gas-liquid separator 4 is used to separate the organic vapor and / or the anti-reaction vapor absorbed through the vapor collection head 221, so as to guide the liquid separated from the organic vapor and / or the anti-reaction vapor into the organic vapor generation group 21, and guide the gas separated from the organic vapor and / or the anti-reaction vapor into the membrane surface anti-reaction treatment group 23 in the organic vapor generation group 21; therefore, the setting of the gas-liquid separator 4 realizes the recovery and reuse of organic vapor and anti-reaction vapor, and improves the utilization efficiency of organic vapor and anti-reaction vapor.

[0063] Specifically, it also includes a film moving component 5, which is used to drive the membrane surface 6 to pass through the oil stain marking group 11, the oil stain detection group 12, the organic vapor nozzle 211, the vapor collection head 221 and the anti-reaction substance nozzle 231 in sequence.

[0064] Specifically, the film-moving component 5 is a roller 51, and the film is arranged between multiple rollers 51. The roller 51 rotates, thereby driving the film surface 6 to pass through the oil stain marking group 11, the oil stain detection group 12, the organic vapor nozzle 211, the vapor collection head 221 and the anti-reaction substance nozzle 231; the full name is no manual intervention, low labor cost, simple structure, and good cleaning effect.

[0065] Specifically, when the above-mentioned membrane surface oil pollution detection and cleaning system is used, it can be arranged on one side of the coating chamber 9; in the coating chamber 9, after the evaporation source 7 evaporates and coats the membrane surface 6 of the thin film, the membrane surface 6 enters the cleaning chamber 10 containing the membrane surface oil pollution detection and cleaning system under the transmission of the film walking assembly 5; thereby removing the oil pollution that will be brought into the membrane surface due to the inadequate cleaning of the evaporating material and evaporated onto the membrane surface.

[0066] The above is a specific description of the preferred implementation of the utility model, but the invention of the utility model is not limited to the described embodiments. Technical personnel familiar with the field can also make various equivalent deformations or substitutions without violating the spirit of the utility model. These equivalent deformations or substitutions are all included in the scope defined by the claims of this application.

Claims

1. A membrane surface oil pollution detection and cleaning system, characterized in that: include: An oil stain detection mechanism (1) is arranged on one side of the membrane surface (6) and is used to mark and detect oil stains on the membrane surface (6); An oil stain cleaning mechanism (2) is disposed on one side of the membrane surface (6) and is used to remove the oil stain marked by the oil stain detection mechanism (1); The oil pollution detection mechanism (1) comprises an oil pollution marking group (11) and an oil pollution detection group (12); The oil stain marking group (11) is arranged on one side of the membrane surface (6) and is used to mark the oil stain on the membrane surface (6); The oil cleaning mechanism (2) comprises an organic vapor generating group (21) arranged on one side of the membrane surface (6); The organic vapor generating group (21) comprises an organic vapor nozzle (211) arranged toward the membrane surface (6), an organic vapor heater (212) connected to the organic vapor nozzle (211), and an organic solvent supply container (213) connected to the organic vapor heater (212) and used to contain an organic solvent.

2. The membrane surface oil pollution detection and cleaning system according to claim 1, characterized in that: It also includes a signal acquisition controller (3) electrically connected to the oil pollution detection mechanism (1) and the oil pollution cleaning mechanism (2); The oil pollution detection mechanism (1) can send out an oil pollution intensity signal; the oil pollution cleaning mechanism (2) can receive the oil pollution intensity signal; The signal acquisition controller (3) is used to receive the oil pollution intensity signal emitted by the oil pollution detection mechanism (1), and send the oil pollution intensity signal to the oil pollution cleaning mechanism (2).

3. The membrane surface oil pollution detection and cleaning system according to claim 2, characterized in that: The oil stain detection group (12) is electrically connected to the signal acquisition controller (3) and is used to detect the oil stain marked by the oil stain marking group (11) and send an oil stain intensity signal to the signal acquisition controller (3).

4. The membrane surface oil pollution detection and cleaning system according to claim 3, characterized in that: The oil stain marking group (11) is an ultraviolet light emitting device, and the oil stain detection group (12) is a photoelectric detection device.

5. The membrane surface oil pollution detection and cleaning system according to claim 1, characterized in that: The oil cleaning mechanism (2) further comprises a steam collecting group (22); The steam collection group (22) comprises a steam collection head (221) arranged toward the membrane surface (6) and a negative pressure generating element (222) connected to the steam collection head (221) and used for providing suction to the steam collection head (221); The negative pressure generating element (222) provides suction to the steam collecting head (221) to extract excess organic steam and organic steam with oil stains.

6. The membrane surface oil stain detection and cleaning system according to claim 5, characterized in that: The oil cleaning mechanism (2) further comprises a membrane surface anti-reaction treatment group (23) arranged adjacent to the steam collecting head (221); The membrane surface anti-reaction treatment group (23) comprises an anti-reaction material nozzle (231) arranged toward the membrane surface (6) and an anti-reaction material supply container (232) connected to the anti-reaction material nozzle (231).

7. The membrane surface oil stain detection and cleaning system according to claim 6, characterized in that: The membrane surface anti-reaction treatment group (23) also includes an anti-reaction material heater (233); the anti-reaction material heater (233) is arranged between the anti-reaction material supply container (232) and the anti-reaction material nozzle (231); the anti-reaction material supplied by the anti-reaction material supply container (232) is heated by the anti-reaction material heater (233) to form anti-reaction vapor.

8. The membrane surface oil stain detection and cleaning system according to claim 7, characterized in that: The organic vapor generating group (21), the vapor collecting group (22) and the membrane surface anti-reaction treatment group (23) are connected via a gas-liquid separator (4), and the gas-liquid separator (4) is used to separate the organic vapor and / or the anti-reaction vapor absorbed through the vapor collecting head (221), so as to guide the liquid separated from the organic vapor and / or the anti-reaction vapor into the organic vapor generating group (21), and guide the gas separated from the organic vapor and / or the anti-reaction vapor into the membrane surface anti-reaction treatment group (23) in the organic vapor generating group (21).

9. The membrane surface oil stain detection and cleaning system according to claim 6 or 7, characterized in that: It also includes a film-moving assembly (5), which is used to drive the membrane surface (6) to pass through the oil stain marking group (11), the oil stain detection group (12), the organic vapor nozzle (211), the vapor collection head (221) and the anti-reaction substance nozzle (231) in sequence.

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