CN217691268U

CN217691268U - Lithium battery infiltration device

Info

Publication number: CN217691268U
Application number: CN202122490937.XU
Authority: CN
Inventors: 胡常青; 赵明; 李津; 林安灼
Original assignee: Shandong Yincheng New Energy Technology Co ltd
Current assignee: Shandong Yincheng New Energy Technology Co ltd
Priority date: 2021-10-16
Filing date: 2021-10-16
Publication date: 2022-10-28
Anticipated expiration: 2031-10-16

Abstract

The utility model relates to a lithium battery processing technology field, specifically speaking relates to a lithium battery infiltration device, including galvanized iron sheet tuber pipe shell, galvanized iron sheet tuber pipe shell includes from first tube coupling and the second tube coupling that sets gradually before to after, is equipped with drive arrangement in the first tube coupling, and drive arrangement includes three-phase asynchronous machine, and welded fastening has a plurality of flabellums in three-phase asynchronous machine's the front end drive shaft, is equipped with the device that generates heat in the second tube coupling, and the device that generates heat is including a plurality of W type three-phase heating tubes that set up side by side, and a plurality of W type three-phase heating tubes are connected simultaneously between two pure copper conductive connection pieces. The lithium battery infiltration device is simple in overall structure, convenient to use and convenient to clean and maintain; the air flow can be stably guided in and discharged out, and the heating uniformity is improved; the W-shaped three-phase heating tube can enable the heating speed inside the device to be faster and the heating effect to be even, so that the heating stability can be improved, the infiltration effect of the lithium battery can be improved, and the quality of a lithium battery product can be improved.

Description

Lithium battery infiltration device

Technical Field

The utility model relates to a lithium cell processing technology field, specifically speaking relates to a lithium cell soaks device.

Background

At present, lithium batteries are widely applied to daily life of people due to the advantages of large specific energy, no pollution, long cycle life, no memory effect and the like. However, the performance of the lithium battery is influenced by various factors, and the infiltration of the lithium battery is a factor which greatly influences the performance of the lithium battery. However, in the actual operation process, the infiltration effect of the electrolyte on the pole piece cannot be grasped. According to the principle of electrolyte infiltration, the infiltration effect of the electrolyte on the pole piece can be improved from the aspects of improving a liquid injection process, improving a core winding process and adding an electrolyte impregnating agent. When the liquid injection process is improved, experimental research shows that the liquid injection time can be effectively shortened and the liquid injection amount can be improved when the liquid injection is carried out under the vacuum condition, and in the vacuum liquid injection process, the infiltration effect can be effectively improved by prolonging the vacuum standing time, injecting liquid in batches, heating the electrolyte and the like. However, no lithium battery infiltrating device with simple structure, convenient use and uniform heating is available in the market at present.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium cell infiltration device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a lithium cell infiltration device, includes galvanized iron wind pipe shell, galvanized iron wind pipe shell includes first tube coupling and the second tube coupling that sets gradually from the back to the front, be equipped with drive arrangement in the first tube coupling, drive arrangement includes three-phase asynchronous machine, welded fastening has a plurality of flabellums in three-phase asynchronous machine's the front end drive shaft, be equipped with the device that generates heat in the second tube coupling, the device that generates heat is including a plurality of W type three-phase heating tubes that set up side by side, and is a plurality of W type three-phase heating tube is connected simultaneously between two pure copper conductive connection pieces.

Preferably, the first pipe joint and the second pipe joint are both in a structure penetrating through from front to back, and the longitudinal section of the first pipe joint is the same as that of the second pipe joint.

Preferably, the inner surface and the outer surface of the first pipe joint and the second pipe joint are uniformly electroplated with zinc layers by an electroplating mode.

Preferably, a supporting base is welded and fixed at the bottom end of the three-phase asynchronous motor.

Preferably, at least two attachment pieces are fastened to the bottom surface of the support base side by side with bolts, and the attachment pieces are fastened to the inner bottom surface of the first pipe joint with bolts.

Preferably, a heating tube electric core is welded and fixed inside the W-shaped three-phase heating tube, and the end of the heating tube electric core extends to the outer sides of the end faces of the two sides of the W-shaped three-phase heating tube.

Preferably, the pure copper conductive connecting sheet is provided with a plurality of mounting holes at equal intervals, and the mounting holes are equal to the W-shaped three-phase heating tubes in number and correspond to the W-shaped three-phase heating tubes in position one to one.

Preferably, the aperture of the mounting hole is matched with the outer diameter of the heating tube electric core, and the end of the heating tube electric core passes through the mounting hole corresponding to the position of the pure copper conductive connecting piece on the same side of the heating tube electric core and is fixed by a nut.

Preferably, the heating device is fixed on the inner side wall of the second pipe section in a hanging mode through an insulating support, and when the first pipe section is connected with the second pipe section, the heating device is not in contact with the driving device and a gap is reserved between the heating device and the driving device.

Preferably, the three-phase asynchronous motor is electrically connected with an external power supply through a lead, and the pure copper conductive connecting sheet is electrically connected with the external power supply through a lead.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the lithium battery infiltration device is convenient for installing the driving device and the heating device by arranging the galvanized iron air duct shell which is convenient to connect and detach, so that the device is simple in overall structure and convenient to use and clean and overhaul;

2. according to the lithium battery infiltration device, the three-phase asynchronous motor is used as a driving force, airflow can be stably led in and discharged, and the heating uniformity is improved;

3. this lithium cell infiltration device is through setting up a plurality of even W type three-phase heating tubes side by side, can make the inside rate of heating of device faster, the heating effect is even to can improve the stability ability of heating, and then improve the infiltration effect of lithium cell, improve the quality of lithium cell product.

Drawings

Fig. 1 is a schematic view of the overall structure of the utility model;

fig. 2 is a schematic view of the overall structure of the utility model;

FIG. 3 is a schematic view of a partially disassembled structure of the utility model;

fig. 4 is a schematic view of the overall structure of the heating device of the utility model;

fig. 5 is a schematic view of a partially disassembled structure of the middle heating device of the utility model.

In the figure:

1. galvanized iron air pipe shell; 11. a first pipe section; 12. a second pipe section;

2. a drive device; 21. a three-phase asynchronous motor; 211. a drive shaft; 212. a fan blade; 22. supporting a base; 23. mounting a sheet;

3. a heat generating device; 31. a W-shaped three-phase heating tube; 311. heating a tube core; 32. a pure copper conductive connecting sheet; 321. and (7) mounting holes.

Detailed Description

The technical solution in the present invention will be clearly and completely described below with reference to the drawings in the present invention, and it is obvious that the described utility model is only a part of the utility model rather than the whole utility model. Based on the utility model provides a utility model, all other utility model that ordinary skilled person in the art obtained under the creative work prerequisite are not made, all belong to the utility model discloses the scope of protection.

In the description of the present invention, it is to be understood that the terms "middle", "front", "back", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Referring to fig. 1-5, the present invention provides a technical solution:

the utility model provides a lithium cell infiltration device, including galvanized iron tuber pipe shell 1, galvanized iron tuber pipe shell 1 includes from the back to first tube coupling 11 and the second tube coupling 12 that sets gradually before, be equipped with drive arrangement 2 in the first tube coupling 11, drive arrangement 2 includes three-phase asynchronous machine 21, welded fastening has a plurality of flabellums 212 on three-phase asynchronous machine 21's the front end drive shaft 211, be equipped with the device 3 that generates heat in the second tube coupling 12, the device 3 that generates heat is including a plurality of W type three-phase heating tubes 31 that set up side by side, a plurality of W type three-phase heating tubes 31 are connected simultaneously between two electrically conductive connection pieces 32 of pure copper.

In this embodiment, first pipe coupling 11 and second pipe coupling 12 all are the structure that link up from beginning to end, and the longitudinal section size of first pipe coupling 11 and second pipe coupling 12 is the same, makes two pipe couplings connect the back still form the even smooth and flat tubulose of interior external surface, and the air current of being convenient for passes through.

Specifically, the zinc layers are uniformly electroplated on the inner and outer surfaces of the first pipe joint 11 and the second pipe joint 12 in an electroplating mode, so that the two pipe joints are firm and stable, and the inner and outer surfaces of the pipe joints are stable in property and are not easily oxidized or rusted.

Furthermore, the first pipe joint 11 and the second pipe joint 12 can be integrally formed, so that the whole structure of the galvanized iron air pipe shell 1 is compact and sealed, and air leakage is avoided; the first pipe joint 11 and the second pipe joint 12 can be connected by welding, so that the two pipe joints are stably connected; the first pipe joint 11 and the second pipe joint 12 can be connected through a bolt and a flange, so that the two pipe joints can be conveniently connected and detached, the driving device 2 and the heating device 3 can be conveniently installed, and the two pipe joints can be conveniently detached for cleaning, maintenance and the like.

In this embodiment, the bottom end of the three-phase asynchronous motor 21 is welded and fixed with the bearing base 22, and the longitudinal section of the bearing base 22 is trapezoidal, so as to buffer the vibration of the three-phase asynchronous motor 21 during operation.

Furthermore, at least two mounting pieces 23 are fixed on the bottom surface of the bearing base 22 side by side through bolts, the mounting pieces 23 are fixed on the inner bottom surface of the first pipe joint 11 through bolts, the three-phase asynchronous motor 21 and the pipe wall of the first pipe joint 11 can be isolated through the mounting pieces 23, and damage to the first pipe joint 11 caused by vibration of the three-phase asynchronous motor 21 during working is relieved.

In this embodiment, a heating tube electric core 311 is welded and fixed inside the W-shaped three-phase heating tube 31, and the end of the heating tube electric core 311 extends to the outer sides of the end surfaces of the two sides of the W-shaped three-phase heating tube 31.

Furthermore, the pure copper conductive connecting sheet 32 is provided with a plurality of mounting holes 321 at equal intervals, and the number of the mounting holes 321 is equal to that of the W-shaped three-phase heating tubes 31, and the positions of the mounting holes 321 correspond to those of the W-shaped three-phase heating tubes 31 one by one.

Specifically, the aperture of the mounting hole 321 is matched with the outer diameter of the heating tube electric core 311, the end of the heating tube electric core 311 passes through the mounting hole 321 corresponding to the position on the pure copper conductive connecting sheet 32 located on the same side, and then is fixed through the nut, and by the structure, the plurality of W-shaped three-phase heating tubes 31 can be arranged between the two pure copper conductive connecting sheets 32 side by side, and the adjacent two W-shaped three-phase heating tubes 31 are not contacted with each other, so that short circuit is avoided.

In this embodiment, the heating device 3 is fixed on the inner side wall of the second pipe joint 12 through the insulating support in a suspension manner, so that the galvanized iron sheet air pipe shell 1 is prevented from being contacted with the heating device 3 during the power-on work to cause electric conduction, and a large potential safety hazard exists.

In particular, the insulating support is preferably made of a high temperature resistant ceramic material, and the heat generating device 3 can be fixed in the middle of the inside of the second pipe section 12, so that the air flow can be uniformly heated.

Further, when the first pipe joint 11 and the second pipe joint 12 are connected together, the heating device 3 and the driving device 2 are not in contact with each other and a gap is left between the heating device 3 and the driving device 2, so that the driving device 2 is prevented from being damaged when the heating device 3 is electrified for heating, and the fan blade 212 is prevented from touching the heating device 3 to cause damage to the heating device 3 and the driving device.

In addition, the three-phase asynchronous motor 21 is electrically connected with an external power supply through a wire and used for driving the three-phase asynchronous motor 21 to be electrified and operated to enable the fan blade 212 to rotate, the pure copper conductive connecting sheet 32 is electrically connected with the external power supply through a wire and used for enabling the W-shaped three-phase heating tubes 31 to be electrified and heated simultaneously, so that cold air flow enters from the rear port of the galvanized iron sheet air tube shell 1 under the action of the fan blade 212, and after the cold air flow is heated by the heating device 3, the hot air flow is discharged from the front port of the galvanized iron sheet air tube shell 1.

The utility model discloses a lithium cell infiltration device is when using, at first install drive arrangement 2 in first tube coupling 11, install device 3 that will generate heat in second tube coupling 12, connect two tube couplings and form galvanized iron sheet tuber pipe shell 1, with drive arrangement 2, device 3 switch-on external power makes its work generate heat, cold wind air current gets into from galvanized iron sheet tuber pipe shell 1 rear end this moment, hot-blast air current after the heating is discharged from galvanized iron sheet tuber pipe shell 1 front end uniformly, the lithium cell of annotating liquid is being carried out in vacuum to the front end of galvanized iron sheet tuber pipe shell 1 this moment, in order to accelerate the infiltration speed of electrolyte, still can arrange the lithium cell of annotating liquid in galvanized iron sheet tuber pipe shell 1 front end department with the completion electrolyte and carry out the even heating, thereby accelerate the infiltration efficiency of lithium cell electrolyte.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. The technical personnel of this trade should understand, the utility model does not receive the restriction of above-mentioned utility model, and what describe in above-mentioned utility model and the description only does the preferred example of the utility model to need not restrict the utility model, under the prerequisite that does not deviate from the spirit and scope of the utility model, the utility model discloses still can have various changes and improvement, these changes and improvement all fall into the scope of the utility model that claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A lithium battery infiltration device is characterized in that: including galvanized iron tuber pipe shell (1), galvanized iron tuber pipe shell (1) includes first tube coupling (11) and second tube coupling (12) that set gradually from the back to the front, be equipped with drive arrangement (2) in first tube coupling (11), drive arrangement (2) include three-phase asynchronous machine (21), welded fastening has a plurality of flabellums (212) on front end drive shaft (211) of three-phase asynchronous machine (21), be equipped with in second tube coupling (12) and generate heat device (3), it is including a plurality of W type three-phase heating tube (31) that set up side by side, a plurality of W type three-phase heating tube (31) are connected simultaneously between two pure copper conductive connection piece (32).

2. The lithium battery infiltration device of claim 1, wherein: first tube coupling (11) with second tube coupling (12) all are the structure that link up from beginning to end, first tube coupling (11) with the longitudinal section size of second tube coupling (12) is the same.

3. The lithium battery infiltration device of claim 2, wherein: the inner surface and the outer surface of the first pipe joint (11) and the second pipe joint (12) are uniformly electroplated with zinc layers in an electroplating mode.

4. The lithium battery infiltration device of claim 1, wherein: and a bearing base (22) is fixedly welded at the bottom end of the three-phase asynchronous motor (21).

5. The lithium battery infiltration device of claim 4, wherein: the bottom surface of the bearing base (22) is fixed with at least two mounting pieces (23) side by side through bolts, and the mounting pieces (23) are fixed on the inner bottom surface of the first pipe joint (11) through bolts.

6. The lithium battery infiltration device of claim 1, wherein: a heating tube electric core (311) is welded and fixed inside the W-shaped three-phase heating tube (31), and the end head of the heating tube electric core (311) extends to the outer sides of the end faces of the two sides of the W-shaped three-phase heating tube (31).

7. The lithium battery infiltration device of claim 6, wherein: the pure copper conductive connecting sheet (32) is provided with a plurality of mounting holes (321) at equal intervals, and the mounting holes (321) are equal in number and correspond to the W-shaped three-phase heating tubes (31) in position one to one.

8. The lithium battery infiltration device of claim 7, wherein: the aperture of the mounting hole (321) is matched with the outer diameter of the heating tube electric core (311), and the end head of the heating tube electric core (311) penetrates through the mounting hole (321) corresponding to the pure copper conductive connecting sheet (32) on the same side and then is fixed through a nut.

9. The lithium battery infiltration device of claim 8, wherein: the heating device (3) is fixed on the inner side wall of the second pipe joint (12) in a hanging mode through an insulating support, and when the first pipe joint (11) and the second pipe joint (12) are connected together, the heating device (3) is not in contact with the driving device (2) and a gap is reserved between the heating device (3) and the driving device.

10. The lithium battery infiltration device of claim 1, wherein: the three-phase asynchronous motor (21) is electrically connected with an external power supply through a lead, and the pure copper conductive connecting sheet (32) is electrically connected with the external power supply through a lead.