CN218215475U

CN218215475U - Folding portable power supply

Info

Publication number: CN218215475U
Application number: CN202222304123.7U
Authority: CN
Inventors: 郑雪山; 杨闯; 温记林; 吴少杰; 陆镭文; 李祥飞; 张遂超
Original assignee: Ningbo Aluminum New Energy Co ltd
Current assignee: Ningbo Aluminum New Energy Co ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2023-01-03
Anticipated expiration: 2032-08-31

Abstract

The utility model discloses a folding portable power supply, which comprises a bag, at least two metal-air battery monomers and an output module; the bag comprises at least two spaced cavities, and at least partial areas above the cavities are arranged in an open manner; the metal-air battery cell is arranged in the cavity and comprises a cathode assembly and an anode metal plate; the output module is arranged on the outer wall of the bag, is electrically connected with the cathode assembly and the anode metal plate respectively, and is used for supplying power to the outside; wherein the bag is foldable. The utility model discloses a portable power source adopts beta structure's mode design, has the advantage that light and handy portable, warehousing and transportation safety, electric storage quantity are high, can satisfy the emergent power supply use of different occasions.

Description

Folding portable power supply

Technical Field

The utility model relates to a technical field of power especially relates to a foldable portable power source.

Background

With the continuous development of new energy technology, products of portable power sources are increasingly abundant. And can be divided into lithium battery, alkaline battery and metal air power supply according to different driving power supplies. The metal air power supply, especially the aluminum air fuel power supply, is an important member in the new energy industry, is mainly based on the aluminum air fuel cell technology, has the characteristics of high energy density, rich aluminum resources, environmental protection, safety and reliability, and has good application prospects in the fields of field emergency power supply and the like. There is, however, room for significant improvement in the portability of existing portable power sources.

SUMMERY OF THE UTILITY MODEL

In view of the deficiencies of the prior art, the utility model provides a foldable portable power supply to solve the difficult scheduling problem that carries of current metal air power.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

a folding portable power supply, the power supply comprising:

the bag comprises at least two spaced cavities, and at least partial areas above the cavities are in an open arrangement;

at least two metal-air battery cells, wherein the metal-air battery cells are installed in the cavity and comprise a cathode assembly and an anode metal plate; and

the output module is arranged on the outer wall of the bag, is electrically connected with the cathode assembly and the anode metal plate respectively, and is used for supplying power to the outside;

wherein the bag is foldable.

Furthermore, at least a partial area of the cavity close to at least one outer side wall of the cathode assembly is hollowed out.

Furthermore, two outer side walls of the cavity close to the cathode assembly are hollow.

Further, the bottoms of two adjacent cavities of the bag are communicated.

Furthermore, the metal-air battery monomer also comprises a monomer shell, two side walls of the monomer shell are both hollow, and an opening capable of accommodating the anode metal plate to be plugged and pulled is arranged above the monomer shell.

Furthermore, the anode metal plate is provided with an anode lug electrically connected with a negative lead, the bottom of the anode metal plate extends into the monomer shell, and the anode metal plate is arranged in the monomer shell in a pluggable manner.

Further, the cathode assembly includes a cathode sheet and a current collector; the cathode plate and the current collector are sequentially arranged on the side wall of the single shell, a cathode lug electrically connected with the positive wire is arranged on the current collector, and a baffle is further arranged on the outer side of the cathode assembly.

Furthermore, the output module can be powered externally by at least one of a constant voltage mode, a constant current mode or a constant power mode.

Further, the output module can also integrate a USB power supply interface.

Furthermore, the bag material selects plastics for use, two adjacent cavity interval regions of the bag are provided with creases along the longitudinal direction, and the creases enable the bag to be in flexible and foldable arrangement.

The utility model has the advantages that:

the utility model discloses a portable power source adopts beta structure's mode design, whole light and handy portable, warehousing and transportation safety, accumulate height, and the single during operation is long for several hours.

The utility model discloses a portable power source, main part adopt engineering plastics preparation, when needing the quick start power supply under emergency, the electrolyte of direct addition salt package and water preparation can directly supply power to the external.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the foldable portable power supply of the present invention.

Fig. 2 is a schematic structural diagram of a bag in the foldable portable power supply of the present invention.

Fig. 3 is an exploded view of a metal-air battery cell in the foldable portable power supply of the present invention.

Fig. 4 is a schematic diagram of a local structure between two adjacent metal-air battery cells of the foldable portable power supply of the present invention.

Fig. 5 is a schematic view of the matching relationship between the anode metal plate and the bag of the portable power supply of the present invention.

The battery comprises a baffle plate 1, a current collector 2, a cathode sheet 3, a monomer shell 4, an anode metal plate 5, a negative electrode lead 6, a metal-air battery monomer 7, a bag 8, an output module 9, a cathode lug 201, an anode lug 501, a cavity 801, an opening 802 and a crease 803.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention.

Examples

As shown in fig. 1 to 5, the foldable portable power source of the present embodiment includes a

bag

8, 5 metal-air battery cells 7 and an output module 9; the bag 8 comprises 5 spaced cavities 801, and at least partial area above the cavities 801 is provided with an opening 802; the metal-air battery cell 7 is installed in the cavity 801, and the metal-air battery cell 7 comprises a cathode assembly and an anode metal plate 5; the output module 9 is installed on the outer wall of the bag 8, the output module 9 is electrically connected with the cathode assembly and the anode metal plate 5 through conducting wires respectively, and the output module 9 is used for supplying power to the outside; wherein the bag 8 is foldable. The utility model discloses a sack 8 is through moulding hot briquetting, and whole sack 8 is kept apart into a plurality of cavitys through middle hot pressing to make the interval region between two adjacent cavities can bend. The metal-air cell 7 is adhered within the pouch 8. The metal air portable power supply adopts a foldable structure design mode; when the metal-air battery is stored and transported, the bag 8 containing the metal-air battery monomer 7 can be folded, so that the storage and transportation are convenient and quick; when the portable power supply needs to generate electricity, the 5 metal-air battery single cells 7 are sequentially unfolded, so that the circulation condition of each metal-air battery single cell 7 and air is improved, the contact area of the metal-air battery single cells and the air is increased, and the electricity generation efficiency of the portable power supply is further improved.

In one embodiment, at least a partial region of the cavity 801 near at least one outer sidewall of the cathode assembly is hollowed out. Preferably, the cavity 801 of the present embodiment is hollowed out on both outer sidewalls near the cathode assembly. For the unilateral fretwork, two lateral walls all are the fretwork form, have further improved the area of contact of metal-air battery monomer 7 negative pole piece 3 with the air to the generating efficiency of this embodiment portable power source has been improved.

The bottom of two adjacent cavities 801 of the bag 8 can be set in a mode of non-communication, and also can be set in a mode of mutual communication. In one embodiment, as shown in fig. 4, the bottom portions of two adjacent cavities 801 of the bag 8 are in communication. The bottom of two adjacent cavities 801 communicates the setting each other, has made things convenient for electrolyte from sack 8 wherein arbitrary open 802 add can, electrolyte flows into the metal-air battery monomer 7 that other cavities correspond through the intercommunication in, and need not to add electrolyte in the metal-air battery monomer 7 that 5 cavities 801 correspond alone respectively, has improved the work efficiency of irritating the liquid.

The metal-air battery cell 7 of this embodiment still includes monomer shell 4, monomer shell 4 is formed by controlling the monomer casing equipment, two lateral walls of monomer shell 4 all are the fretwork form, monomer shell 4 top is equipped with the opening that can hold the plug of anode metal sheet 5. The anode metal plate 5 is provided with an anode lug 501 electrically connected with the cathode lead 6, the cathode lead 6 and the anode lug 501 can be electrically connected in a quick-plug mode, the bottom of the anode metal plate 5 extends into the monomer shell 4, and the anode metal plate 5 can be arranged in the monomer shell 4 in a plug-in mode. The cathode assembly comprises two cathode sheets 3 and a current collector 2 which are arranged at two sides of a monomer shell 4; the cathode sheet 3 and the current collector 2 are sequentially arranged on the side wall of the monomer shell 4, the current collector 2 is provided with a cathode lug 201 electrically connected with a positive wire, and the outer side of the cathode assembly is also provided with a baffle plate 1. The baffle plate 1 is provided with a plurality of vent holes, and the baffle plate 1 can also be made into grid bars for air circulation. The monomer shell 4 and the baffle plate 1 are made of plastic materials. After the cathode plate 3, the anode metal plate 5 and the monomer shell 4 are packaged in the bag 8, a relatively closed electrolyte chamber is formed, when the portable power supply works, the electrolyte is added into the electrolyte chamber through an opening 802 on the upper side, and the metal air battery emits electric energy and supplies power to the outside for use after the output module 9. The anode metal plate 5 of this embodiment may be one of a magnesium metal plate, an aluminum plate, and a zinc plate, and is preferably an aluminum plate; the cathode plate 3 has the function of catalyzing and oxidizing oxygen molecules in air, and can adopt any material applied in the prior art, preferably a silver and manganese dioxide composite catalyst or a cathode material consisting of a material with catalytic performance and a waterproof breathable layer.

In one embodiment, the output module 9 may be powered by at least one of a constant voltage, a constant current, or a constant power. Through the direct external power supply of output module 9, the utility model discloses a portable power source can be great relatively power to outer output electric energy.

In one embodiment, the output module 9 may further integrate a USB power interface. Through the USB interface, the output mode of the external electric energy of the portable power supply is enriched. The output module 9 may further be provided with a switch assembly for controlling the output of the electrical energy.

In one embodiment, the bag 8 is made of plastic, and the fold 803 is formed in the longitudinal direction in the interval area between two adjacent cavities 801 of the bag 8, and the fold 803 makes the bag 8 be flexibly and foldably arranged. The material of the bag 8 is preferably engineering plastic, and is further preferably polyvinyl chloride plastic.

According to the working principle of the foldable portable power supply, the two cathode plates 3 are respectively bonded on two side walls of the monomer shell 4, prepared saline water (such as sodium chloride solution) or alkaline substances (such as sodium hydroxide solution) are poured into an electrolyte chamber of the metal-air battery monomer 7, and then the anode metal plate 5 is inserted into the electrolyte chamber; the cathode sheet 3 and the anode metal plate 5 in the metal-air battery perform electrochemical reaction under the action of the electrolyte to release electric energy.

Electrolyte in the metal-air battery monomer 7 is poured out, the process of stopping power generation can be achieved, and meanwhile the foldable portable power supply is convenient to carry. The long-term recycling of the folding portable power supply can be realized by adding and pouring out the electrolyte.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention.

Claims

1. A folding portable power supply, the power supply comprising:

wherein the bag is foldable.

2. The folding portable power supply of claim 1, wherein at least a portion of the cavity adjacent at least one exterior side wall of the cathode assembly is hollowed out.

3. The folding portable power supply of claim 1, wherein the cavity is hollowed out proximate both exterior sidewalls of the cathode assembly.

4. A folding portable power supply according to claim 1, wherein the bottom portions of two adjacent cavities of said pocket are in communication.

5. The foldable portable power supply of claim 1, wherein the metal-air battery cell further comprises a single housing, both side walls of the single housing are hollowed out, and an opening for inserting and pulling the anode metal plate is formed above the single housing.

6. A foldable portable power supply according to claim 1, wherein said anode plate is provided with an anode lug for electrical connection with a negative lead, said anode plate extending at its bottom into the cell housing, said anode plate being insertably disposed within the cell housing.

7. The folding portable power supply of claim 1, wherein said cathode assembly comprises a cathode sheet and a current collector; the cathode plate and the current collector are sequentially arranged on the side wall of the single shell, a cathode lug electrically connected with the positive wire is arranged on the current collector, and a baffle is further arranged on the outer side of the cathode assembly.

8. The folding portable power supply of claim 1, wherein the output module is at least one of constant voltage, constant current, or constant power.

9. A folding portable power supply according to claim 1, wherein said output module further integrates a USB power interface.

10. A foldable portable power supply according to claim 1, wherein the bag is made of plastic, and the bag is provided with a fold in the longitudinal direction adjacent to the two spaced regions of the cavity, the fold enabling the bag to be flexibly and foldably arranged.