CN209947884U

CN209947884U - Battery capable of discharging at low rate

Info

Publication number: CN209947884U
Application number: CN201920781560.3U
Authority: CN
Inventors: 郑东
Original assignee: Huizhou Yuan Electronic Technology Co Ltd
Current assignee: Huizhou Yuan Electronic Technology Co Ltd
Priority date: 2019-05-28
Filing date: 2019-05-28
Publication date: 2020-01-14
Anticipated expiration: 2029-05-28

Abstract

The utility model discloses a battery that little multiplying power was discharged, including casing, positive tab, negative pole ear, plastic-aluminum packing cover and diaphragm structure, the inside central point of plastic-aluminum packing cover puts the department and is fixed with diaphragm structure, and the plastic-aluminum packing cover of diaphragm structure both sides is inside to be equipped with positive plate, negative pole piece respectively, positive tab, negative pole ear have been installed respectively to the inside both sides of plastic-aluminum packing cover, and the bottom of positive tab, negative pole ear contacts with one side of positive plate, negative pole piece respectively each other, the outside cover of plastic-aluminum packing cover is equipped with the casing, the top joint of casing has sealed lid, and the both sides of sealed lid bottom all are equipped with the location screw to the inside fixing bolt of location screw all with the top fixed connection of casing. The battery with small-rate discharge not only reduces the recovery difficulty of the battery with small-rate discharge, ensures the stable operation of the battery with small-rate discharge, but also prolongs the service cycle of the battery with small-rate discharge.

Description

Battery capable of discharging at low rate

Technical Field

The utility model relates to a battery technology field specifically is a battery that little multiplying power is discharged.

Background

With the continuous development of the current battery technology, various batteries applied to different fields emerge endlessly, wherein a small-rate discharge battery has the advantages of stable discharge, convenient and fast energy charging and the like, and generally has a great demand on the market as a mobile power supply of a plurality of small-sized devices.

However, the existing batteries with small-rate discharge still have certain problems, and the specific problems are as follows:

1. many small-rate discharge batteries adopt a disposable production structure with an electric core and an external package, so that the production cost is high and the later recovery is inconvenient;

2. after a period of time of use, the general small-rate discharge battery is easy to cause great reduction of operation stability due to internal corrosion or long-term overheating;

3. the existing small-rate discharge battery is relatively weak in self insulation and corrosion prevention structure, so that the service cycle is shortened due to the influence of the external environment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a battery that little multiplying power is discharged to solve among the above-mentioned background art the recovery degree of difficulty of the device of proposing higher, the long-term operation stability relatively poor, life cycle lack the guarantee problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a battery that little multiplying power was discharged, includes casing, anodal ear, negative pole ear, plastic-aluminum packing cover and diaphragm structure, the inside central point of plastic-aluminum packing cover puts the department and is fixed with diaphragm structure, and the plastic-aluminum packing of diaphragm structure both sides overlaps inside is equipped with anodal piece, negative pole piece respectively, positive ear, negative pole ear have been inserted respectively to the inside both sides of plastic-aluminum packing cover, and the bottom of anodal ear, negative pole ear respectively with one side of anodal piece, negative pole piece contact each other, the outside cover of plastic-aluminum packing cover is equipped with the casing.

Preferably, the top joint of casing has sealed lid, and the both sides of sealed lid bottom all are equipped with the location screw to the inside fixing bolt of location screw all with the top fixed connection of casing.

Preferably, the inside of casing is equipped with the high polymer main part, and electroplates the graphite alkene heat dissipation layer on the inside wall of high polymer main part to the parcel has the ceramic protective layer on the outside wall of high polymer main part.

Preferably, the insulating sleeve is inlaid on two sides of the inside of the sealing cover, and the top ends of the positive electrode lug and the negative electrode lug penetrate through the insulating sleeve and extend to the upper side of the sealing cover.

Preferably, the diaphragm structure is provided with a polymer microporous membrane, exchange holes, an elastic extension layer and a polyethylene oxidation resistant layer in sequence from the middle to two sides, two side surfaces of the polymer microporous membrane are covered with the elastic extension layer, the outer side surface of the elastic extension layer is coated with the polyethylene oxidation resistant layer, and the exchange holes in the polyethylene oxidation resistant layer and the elastic extension layer extend into the polymer microporous membrane.

Preferably, the high polymer body is provided with heat conduction pins at equal intervals, and one ends of the heat conduction pins extend to the outside of the ceramic protection layer.

Compared with the prior art, the beneficial effects of the utility model are that: the battery with small-rate discharge not only improves the assembly efficiency of the battery with small-rate discharge, ensures the stable operation of the battery with small-rate discharge, but also prolongs the service cycle of the battery with small-rate discharge;

1. the top end of the shell is clamped with the sealing cover, the two sides of the bottom of the sealing cover are provided with the positioning screw holes, and the fixing bolts are arranged in the positioning screw holes, so that the function of convenient assembly and disassembly of the small-rate discharge battery is realized, and the recycling difficulty of the small-rate discharge battery is reduced;

2. the diaphragm structure is fixed in the aluminum-plastic packaging sleeve, the polymer microporous membrane, the exchange hole, the elastic extension layer and the polyethylene oxidation resistant layer are arranged in the diaphragm structure, and the graphene heat dissipation layer and the heat conduction pin are arranged in the shell, so that the functions of stable exchange in the small-rate discharge battery and efficient heat dissipation outside the small-rate discharge battery are realized, and the stable operation of the small-rate discharge battery is ensured;

3. through the outside suit casing at plastic-aluminum packing cover, high polymer main part, ceramic protective layer are established to the inside of casing to through inlaying insulating sleeve in sealed inside both sides of lid, realized the inside multiple insulation of little multiplying power battery, anticorrosive function, thereby prolonged the life cycle of little multiplying power battery that discharges.

Drawings

Fig. 1 is a schematic view of a front view cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the section of the plastic-aluminum packing case of the present invention;

FIG. 3 is a schematic view of the sectional structure of the housing of the present invention;

fig. 4 is a schematic structural diagram of the diaphragm structure of the present invention.

In the figure: 1. a housing; 2. a sealing cover; 3. a positive tab; 4. a negative tab; 5. an insulating sleeve; 6. positioning the screw hole; 7. fixing the bolt; 8. an aluminum-plastic packaging sleeve; 9. a positive plate; 10. a diaphragm structure; 1001. a polyethylene oxidation resistant layer; 1002. an elastically extensible layer; 1003. a polymeric microporous membrane; 1004. an exchange well; 11. a negative plate; 12. a graphene heat dissipation layer; 13. a heat conductive pin; 14. a polymer body; 15. and a ceramic protective layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a battery that little multiplying power was discharged, including casing 1, anodal ear 3, negative pole ear 4, plastic-aluminum packing cover 8 and diaphragm structure 10, the inside central point department of putting of plastic-aluminum packing cover 8 is fixed with diaphragm structure 10, and the plastic-aluminum packing cover 8 of diaphragm structure 10 both sides is inside to be equipped with anodal piece 9 respectively, negative pole piece 11, the inside both sides of plastic-aluminum packing cover 8 are installed respectively and are inserted anodal ear 3, negative pole ear 4, and anodal ear 3, negative pole ear 4's bottom respectively with anodal piece 9, negative pole piece 11 one side is contacted each other, the outside cover of plastic-aluminum packing cover 8 is equipped with casing 1.

Sealed lid 2 has been connected to the top joint of casing 1 as in fig. 1, and the both sides of sealed lid 2 bottom all are equipped with location screw 6 to the inside fixing bolt 7 of location screw 6 all with the top fixed connection of casing 1, be convenient for seal installation to the inside of casing 1.

As shown in fig. 3, a high polymer main body 14 is disposed inside the housing 1, a graphene heat dissipation layer 12 is plated on an inner side wall of the high polymer main body 14, and a ceramic protection layer 15 is wrapped on an outer side wall of the high polymer main body 14, so as to respectively realize functions of internal efficient heat dissipation and external dual corrosion prevention.

Insulating sleeves 5 are embedded on two sides of the inside of the sealing cover 2 in fig. 1, and the top ends of the positive electrode tab 3 and the negative electrode tab 4 penetrate through the insulating sleeves 5 and extend to the upper side of the sealing cover 2, so that the external insulating performance is enhanced, and electric leakage is avoided.

As shown in fig. 4, the separator structure 10 is provided with a polymer microporous membrane 1003, an exchange hole 1004, an elastic expansion layer 1002 and a polyethylene oxidation resistant layer 1001 in sequence from the middle to both sides, the elastic expansion layer 1002 covers both sides of the polymer microporous membrane 1003, the polyethylene oxidation resistant layer 1001 is coated on both outer sides of the elastic expansion layer 1002, and the exchange hole 1004 inside the polyethylene oxidation resistant layer 1001 and the elastic expansion layer 1002 extends to the inside of the polymer microporous membrane 1003;

the polyethylene oxidation resistant layer 1001 is used for enhancing the corrosion resistance of the surface of the diaphragm structure 10 and preventing the diaphragm structure from being rapidly corroded by electrolyte, the elastic extension layer 1002 is made of an insulating colloid material, internal insulation is provided, meanwhile, the tensile property of the whole diaphragm structure 10 is improved, and in addition, the polymer microporous membrane 1003 is matched with the exchange holes 1004 on the two sides of the polymer microporous membrane 1003, so that positive and negative ions in the electrolyte can be fully contacted, exchanged and stably output.

As shown in fig. 3, the inside of the polymer body 14 is provided with heat conducting pins 13 at equal intervals, and one end of each heat conducting pin 13 extends to the outside of the ceramic protective layer 15, so as to enhance the heat dissipation performance of the whole casing 1.

The working principle is as follows: when in use, firstly, the aluminum-plastic packaging sleeve 8 is wholly and hermetically wrapped through the clamping relationship between the shell 1 and the sealing cover 2, then the fixing bolt 7 inside the positioning screw hole 6 is screwed down, the assembly of the small-rate discharge battery can be completed, after scrapping, the shell 1 and the sealing cover 2 can be directly disassembled, the aluminum-plastic packaging sleeve 8 can be recycled, in the using process, the diaphragm structure 10 provides self protection and simultaneously stably outputs, meanwhile, the graphene heat dissipation layer 12 and the heat conduction pin 13 inside the shell 1 form a comprehensive heat conduction and heat dissipation structure, so that the small-rate discharge battery can keep relatively stable in the long-term operation process, in addition, the insulating sleeve 5 in the sealing cover 2 has the function of external insulation on the positive aluminum-plastic tab 3 and the negative electrode tab 4, the packaging sleeve 8 has the function of internal insulation, and is matched with a double-corrosion-resistant structure formed by the high polymer main body 14 and the ceramic protective layer 15, the service cycle of the small-rate discharge battery can be effectively prolonged, and the whole work of the small-rate discharge battery is finally completed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a battery that little multiplying power was discharged, includes casing (1), anodal ear (3), negative pole ear (4), plastic-aluminum packing cover (8) and diaphragm structure (10), its characterized in that: the utility model discloses a plastic-aluminum packing cover, including plastic-aluminum packing cover (8), diaphragm structure (10) are fixed with to the inside central point department of putting of plastic-aluminum packing cover (8), and the plastic-aluminum packing cover (8) of diaphragm structure (10) both sides is inside to be equipped with positive plate (9), negative pole piece (11) respectively, positive ear (3), negative pole ear (4) have been installed respectively to the inside both sides of plastic-aluminum packing cover (8), and the bottom of positive ear (3), negative pole ear (4) respectively with the one side of positive plate (9), negative pole piece (11) contact each other, the outside cover of plastic-aluminum packing cover (8) is equipped with casing (1).

2. A low-rate discharge battery according to claim 1, wherein: the top joint of casing (1) has sealed lid (2), and the both sides of sealed lid (2) bottom all are equipped with location screw (6) to fixing bolt (7) inside location screw (6) all with the top fixed connection of casing (1).

3. A low-rate discharge battery according to claim 1, wherein: the novel solar cell module is characterized in that a high polymer main body (14) is arranged inside the shell (1), a graphene heat dissipation layer (12) is plated on the inner side wall of the high polymer main body (14), and a ceramic protection layer (15) wraps the outer side wall of the high polymer main body (14).

4. A low-rate discharge battery according to claim 2, wherein: insulating sleeve (5) are all inlayed on the inside both sides of sealed lid (2), and the top of positive pole ear (3) and negative pole ear (4) all runs through insulating sleeve (5) and extends to the top of sealed lid (2).

5. A low-rate discharge battery according to claim 1, wherein: the diaphragm structure (10) is provided with a polymer microporous membrane (1003), exchange holes (1004), an elastic extension layer (1002) and a polyethylene oxidation resistant layer (1001) in sequence from the middle to two sides, the two sides of the polymer microporous membrane (1003) are covered with the elastic extension layer (1002), the outer side of the elastic extension layer (1002) is coated with the polyethylene oxidation resistant layer (1001), and the exchange holes (1004) in the polyethylene oxidation resistant layer (1001) and the elastic extension layer (1002) extend to the inside of the polymer microporous membrane (1003).

6. A low-rate discharge battery according to claim 3, wherein: the high polymer main body (14) is internally provided with heat conducting pins (13) at equal intervals, and one ends of the heat conducting pins (13) extend to the outside of the ceramic protective layer (15).