CN115066076A - Brand-new diaphragm static electricity removing device - Google Patents

Abstract

The invention discloses a brand-new diaphragm static electricity removing device. In order to solve the problems of dust adsorption caused by static generated by friction between a lithium battery diaphragm and an equipment mechanism in the production process and unclean static elimination of a traditional equipment instrument in the prior art, the invention adopts a contact static elimination method to discharge static on the surface of the diaphragm, and combines an array type micro electromagnetic field designed in the interior to block charge adsorption and accelerate the movement of the charge discharge direction on the surface of the diaphragm, so that the diaphragm can discharge electricity more effectively.

Description

Brand-new diaphragm static electricity removing device

Technical Field

The invention relates to the field of diaphragm static electricity removal, in particular to a brand-new diaphragm static electricity removal device.

Background

In the traditional mode, the ionic gas mass is used in a non-contact mode to neutralize the surface charge of the diaphragm, no clean charge exists, and the diaphragm is rubbed with air and a roller in the movement process to generate a large amount of charge, so that the traditional mode is poor in static electricity removing effect; traditional diaphragm destaticizing mode adopts the ion stick to unreel department and the roller in the middle of the diaphragm and goes out the setting, and the destaticizing scope is little, and the mechanism device is more, defects such as unable installation in narrow and small space.

For example, a "low inertia static-removing diaphragm driving roller" disclosed in the chinese patent document, publication No. CN107600948A, includes a roller body, the roller body is of a tubular structure, an outer circumferential surface of the roller body is coated with a chromium layer, the roller body is made of aluminum, and an inner circumferential surface of the roller body is provided with ribs. The chromium plating has good conductivity, can not generate static accumulation, can not adsorb space dust, has high hardness, is not easy to wear and has long service life. However, the whole structure of the roller body is made of all-aluminum chrome plated surface, the pressure resistance is weak, the roller body is easy to damage, the manufacturing cost is high, the roller body is not convenient to replace at any time, and the cost performance is low.

Disclosure of Invention

The invention mainly solves the problems that in the prior art, dust is adsorbed due to static electricity generated by friction between a lithium battery diaphragm and an equipment mechanism in the production process, and static electricity is removed by a traditional equipment instrument and cannot be removed cleanly; the novel diaphragm static electricity removing device is provided, static electricity on the surface of a diaphragm is discharged by adopting a contact static electricity removing method, and the diaphragm of an equipment mechanism is made to have conductivity by passing through a roller, so that charges on the surface of the diaphragm are transferred to the ground through the diaphragm by passing through the roller and are released; meanwhile, the material of the conductive rubber is reasonably utilized, and the rubber is internally provided with a porous conductive coating which has conductivity when charged objects exist and are directly used; a micro electromagnetic field is designed, an array type micro electromagnetic field is designed in the diaphragm roller, and the micro electromagnetic field can effectively block charge adsorption and accelerate the movement of the charge discharge direction on the surface of the diaphragm, so that the charge discharge is more effective; the diaphragm roller is designed, a steel shaft is arranged inside the diaphragm roller, a thin insulating layer is wrapped on the surface of the diaphragm roller, a rolling sleeve shaft is arranged on the outer side of the diaphragm roller, the array conducting coil is arranged outside the diaphragm roller, the insulating layer is wrapped on the outer side of the diaphragm roller, and the conducting rubber is wrapped on the outermost side of the diaphragm roller.

The technical problem of the invention is mainly solved by the following technical scheme:

the device comprises a diaphragm roller, wherein an array micro electromagnetic field blocking structure is arranged inside the diaphragm roller, a contact type charge leading-out structure is arranged outside the micro electromagnetic field blocking structure, and the contact type charge leading-out structure can discharge static electricity generated by friction with air or uncoiling in the movement process of a diaphragm through direct contact; and the micro electromagnetic field blocking structure can block the charge adsorption and accelerate the movement of the charge discharge direction on the surface of the diaphragm.

Preferably, the array micro electromagnetic field blocking structure comprises a plurality of array coils which are uniformly arranged, and the array coils are connected with an external electrifying device; after the array coil is electrified, a miniature electromagnetic field is generated, and charges acting on the electrostatic field on the surface of the diaphragm generate Lorentz force to enable the charges to be stressed to generate position deviation.

Preferably, the contact type charge leading-out structure comprises conductive rubber wrapped on the outermost layer of the diaphragm roller, and the conductive rubber is connected with a grounding device through a lead; when the diaphragm unreels, the diaphragm belt penetrates through the diaphragm roller to reach the position of the winding core, when the diaphragm is in stressed contact with the conductive rubber on the surface of the diaphragm roller, static charges at the contact part of the diaphragm are transferred to the conductive rubber from the surface of the diaphragm, and the conductive rubber connecting wire transfers the charges to the grounding device to be led out so as to achieve the purpose of static electricity removal.

Preferably, the array micro magnetic field blocking structure is covered with an insulating layer, and the conductive rubber is uniformly arranged outside the insulating layer; when the diaphragm contacts the conductive rubber, the magnetic field generated by electrifying the array micro magnetic field blocking structure can accelerate the electric charges to gather and move to the conductive rubber, so that the effect of more thoroughly removing static electricity is achieved.

Preferably, the energizing device comprises an energizing terminal and a power supply voltage regulator, the array coil is connected with the energizing terminal, the energizing terminal is externally connected with the power supply voltage regulator, and the external power supply voltage regulator is used for adjusting proper voltage so as to control the charge transfer rate according to actual conditions.

Preferably, the innermost layer of the diaphragm roller is provided with a diaphragm shaft core, two ends of the diaphragm shaft core extend out along the length direction of the diaphragm roller, the surface of the diaphragm shaft core is wrapped with an internal insulating layer, so that charges can be effectively prevented from being transmitted to the shaft core to interfere the operation of the whole device, and the array coils are uniformly arranged around the internal insulating layer at intervals.

Preferably, the current-carrying terminal is provided at one end of the diaphragm in the longitudinal direction of the axial core.

The invention has the beneficial effects that:

1. the brand-new membrane static electricity removing device has obvious static electricity removing effect advantages, adopts a contact static electricity removing mode, and discharges static electricity generated by friction or uncoiling of the membrane with air in the movement process through direct contact with the conductive rubber roller; an array micro electromagnetic field is designed in the conductive rubber roller to block charge adsorption and accelerate the movement of the charge discharge direction on the surface of the diaphragm, so that static electricity is removed and the generation of static electricity is reduced more thoroughly;

2. the novel membrane static electricity removing device is optimized in equipment mechanism, contact static electricity removing is adopted, the static electricity removing mechanism is directly installed on the membrane roller shaft, the space of the main plate surface of the equipment is saved, the static electricity removing requirement is met, and the device is convenient to replace.

Drawings

FIG. 1 is a top view of a separator roll of a novel separator static discharge apparatus of the present invention;

FIG. 2 is a sectional view of a separator roll of a novel separator static discharge apparatus of the present invention;

in the figure, 1, an array coil, 2, a power-on terminal, 3, a power supply voltage regulator, 4, a grounding device, 5, conductive rubber, 6, an insulating layer, 7, an internal insulating layer, 8 and a diaphragm shaft core are arranged.

Detailed Description

The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.

Example (b):

a brand-new diaphragm static electricity removing device of the embodiment, as shown in fig. 1 and fig. 2, comprises a diaphragm roller, a conductive rubber 5 is arranged on the surface of the diaphragm roller, the outside of the conductive rubber 5 is connected with a grounding device 4 through a lead so as to conduct the received charges to the grounding device 4; a diaphragm shaft core 8 is arranged in the diaphragm roller, the diaphragm shaft core 8 is arranged along the length direction of the diaphragm roller and is longer than the diaphragm roller, one end of a reserved part of the diaphragm shaft core 8 is provided with an electrified terminal 2, and the electrified terminal 2 is connected with a power supply voltage regulator 3 and is used for regulating the voltage of an internal structure; the outer surface of the diaphragm shaft core 8 is wrapped with an internal insulating layer 7 so as to achieve the effect of isolating charges; the outside of the internal insulation layer 7 is uniformly provided with array coils 1 at intervals around a diaphragm shaft core 8, and the outside of the array coils 1 is connected with an electrified terminal 2; the outer layer of the array coil 1 is wrapped with an insulating layer 6 for isolating electric charges, and the outside of the insulating layer 6 is tightly connected with the conductive rubber 5.

The principle and process of destaticizing the diaphragm roller of the embodiment are as follows:

a. generation of diaphragm static electricity: the storage environment of the supplied materials of the diaphragm is dry, a large amount of static charges are generated by the friction between the surface of the diaphragm and the packaging bag, and a large amount of static charges are generated by the friction between the surface of the diaphragm and air or unwinding in the transfer or unwinding process of the diaphragm.

b. Transfer of static charge: when the diaphragm unreels, the diaphragm belt passes through the diaphragm roller to reach the roll core position, and the design of diaphragm roller possesses the conductivity, and diaphragm roller surface cladding conductive rubber 5 promptly, the static charge of diaphragm contact position when diaphragm atress contacts conductive rubber 5 on diaphragm roller surface is transferred to conductive rubber 5 above by the diaphragm surface, and conductive rubber 5 connecting wire is transferred charge to earthing device 4 and is derived in order to reach the static electricity removal purpose.

c. The array coil is designed in the diaphragm roller conductive rubber 5, the array coil 1 is connected with the power supply voltage regulator 3 through the electrifying terminal 2, the array coil 1 generates a micro electromagnetic field after being electrified, charges acting on an electrostatic field on the surface of the diaphragm generate Lorentz force to enable the charges to be stressed to generate position deviation, and the charges are accelerated to gather and move to the conductive rubber 5 when the diaphragm contacts the conductive rubber 5, so that static electricity is removed more thoroughly.

d. The power supply voltage regulator 3 controls the magnitude of the voltage output to the array coil 1 so as to control the magnitude of the miniature electromagnetic field intensity generated by the array coil 1, so that the output electromagnetic field intensity is controlled according to the magnitude of the electrostatic charge amount carried by different diaphragms, and the perfect static removing effect is achieved.

The invention adopts a contact type static electricity removing mode, and static electricity generated by friction with air or uncoiling in the movement process of the diaphragm is discharged by directly contacting with the conductive rubber roller; the array micro electromagnetic field designed in the conductive rubber roller can block the charge adsorption and accelerate the movement of the charge discharge direction on the surface of the diaphragm, so that the static electricity is removed and the generation of the static electricity is reduced more thoroughly; the device mechanism is optimized, contact type static electricity removal is adopted, the static electricity removal mechanism is directly arranged on the diaphragm roller shaft, the space of the main plate surface of the device is saved, the static electricity removal requirement is met, and the diaphragm roller can be replaced according to the requirement.

It should be understood that the examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.

Claims (7)

1. The novel diaphragm static electricity removing device comprises a diaphragm roller and is characterized in that an array micro electromagnetic field blocking structure is arranged inside the diaphragm roller, and a contact type charge leading-out structure is arranged outside the micro electromagnetic field blocking structure.

2. The novel membrane static electricity removing device as claimed in claim 1, wherein said array micro electromagnetic field blocking structure comprises a plurality of array coils (1) uniformly arranged, and said array coils (1) are connected with an external power device.

3. The novel membrane static electricity removing device is characterized in that the contact type charge leading-out structure comprises a conductive rubber (5) wrapped on the outermost layer of the membrane roller, and the conductive rubber (5) is connected with a grounding device (4) through a lead.

4. The novel membrane static electricity removing device as claimed in claim 1 or 2, wherein the array of micro electromagnetic field blocking structures is covered with an insulating layer (6), and the conductive rubber (5) is uniformly arranged outside the insulating layer (6).

5. The membrane static electricity removing device as claimed in claim 2, wherein said energizing means comprises an energizing terminal (2) and a power voltage regulator (3), said array coil (1) is connected with said energizing terminal (2), said energizing terminal (2) is externally connected with the power voltage regulator (3).

6. The novel membrane static electricity removing device is characterized in that a membrane shaft core (8) is arranged at the innermost layer of the membrane roller, two ends of the membrane shaft core (8) extend out along the length direction of the membrane roller, an inner insulating layer (7) is wrapped on the surface of the membrane shaft core (8), and the array coils (1) are uniformly arranged around the inner insulating layer (7) at intervals.

7. A totally new type of membrane static discharge apparatus as claimed in claim 5 or 6, wherein said energizing terminal (2) is arranged at one end of the membrane core (8) in the length direction.

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