CN219393548U

CN219393548U - Lithium battery

Info

Publication number: CN219393548U
Application number: CN202223376999.9U
Authority: CN
Inventors: 周建国
Original assignee: Ertubi Linyi Energy Development Co ltd
Current assignee: Ertubi Linyi Energy Development Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-07-21
Anticipated expiration: 2032-12-14

Abstract

The utility model relates to the technical field of dust prevention, and discloses a lithium battery, which comprises a protection device, wherein a main body device is arranged in the protection device, one end of the inner wall of the protection device is provided with an expansion device, the protection device comprises a protection shell, a storage space is formed in the protection shell, the top end of the protection shell is movably connected with a cover plate, and a mounting groove is formed in the position, close to a connecting hole, of the protection shell. According to the utility model, the charging mode of the lithium battery is expanded by arranging the expansion device, the traditional lithium battery can be charged only by a special battery charger, so that the limitation of the lithium battery to a charging scene is larger, and the lithium battery is provided with charging and discharging interfaces of different types by the expansion device, so that most of charging scenes in daily life can be satisfied by the interfaces, and the utilization rate of the lithium battery is greatly improved.

Description

Lithium battery

Technical Field

The utility model relates to the technical field of dust prevention, in particular to a lithium battery.

Background

Lithium batteries are a type of batteries using lithium metal or lithium alloy as a positive/negative electrode material and a nonaqueous electrolyte solution, and because the chemical characteristics of lithium metal are very active, the processing, storage and use of lithium metal have very high requirements on environment, and along with the development of scientific technology, lithium batteries have become the mainstream, and the lithium batteries can be roughly divided into two types: lithium metal batteries and lithium ion batteries, the lithium ion batteries do not contain lithium in a metal state, and are chargeable, the lithium metal batteries of the fifth generation products of rechargeable batteries are born in 1996, the safety, specific capacity, self-discharge rate and cost performance ratio of the lithium metal batteries are superior to those of the lithium ion batteries, and due to the high technical requirement limit of the lithium metal batteries, only companies in a few countries are producing the lithium metal batteries.

The existing lithium battery with a small size is single in general charging mode, can be charged and discharged only through a special battery charger, is inconvenient to use in some occasions, and is not dustproof because of pursuing portability, so that the lithium battery with a small size is harsh to the external environment during storage.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, the present utility model provides a lithium battery to solve the above-mentioned problems of the prior art.

The utility model provides the following technical scheme: the lithium battery comprises a protection device, wherein a main body device is arranged in the protection device, one end of the inner wall of the protection device is provided with an expansion device, the inner structure of the lithium battery is protected through the protection device, an electronic element in the protection device is prevented from being contacted with the external environment to cause pollution, the main body device is used as an energy supply system of the lithium battery and is an important component part of the lithium battery, the expansion device is used for expanding a charging mode of the lithium battery to reduce the limitation of the lithium battery on a charging scene, the protection device comprises a protection shell, the electronic element in the lithium battery is protected through the protection shell, a storage space is formed in the protection shell, the storage space is used for placing the main body device and other electronic elements, the top end of the protection shell is movably connected with a cover plate, a hinge is arranged at the part of the cover plate, the protection shell is movably connected with the cover plate through the hinge, a plug hole is formed in the bottom end of the cover plate, a connecting hole is formed in the bottom end of one side of the protection shell, the protection shell is fixedly connected with the expansion device through the connecting hole, and a mounting groove is formed in a position close to the connecting hole of the protection shell;

further, the main body device comprises an anode interface and a cathode interface, a limiting ring is fixedly connected to the bottom end of the anode interface and the cathode interface, a circuit winding displacement is fixedly connected to the middle of the bottom end of the anode interface and the cathode interface, a fixing hole is formed in the position, close to the limiting ring, of one side of the circuit winding displacement, a positive electrode reaction tank is fixedly connected to the outer wall of one end, far away from the anode interface, of the circuit winding displacement, a negative electrode reaction tank is fixedly connected to the outer wall of one end, close to the negative electrode reaction tank, of the circuit winding displacement, a self-discharge limiting module is fixedly connected to the outer wall of one end, close to the negative electrode reaction tank, of the circuit winding displacement is used for connecting all elements of the main body device, the positive electrode reaction tank is the positive electrode of the lithium battery, the negative electrode reaction tank is the negative electrode of the lithium battery, the positive electrode reaction tank reacts with the negative electrode reaction tank to complete a discharge phenomenon, and the voltage entering the lithium battery is controlled by the voltage limiting module to prevent potential safety hazards of the lithium battery due to the fact that the voltage exceeds a standard range, and the self-discharge phenomenon of the lithium battery is prevented by the self-discharge limiting module.

Further, the expansion device comprises a fixed block, the inside fixedly connected with circuit board of fixed block, the top fixedly connected with interface circuit of circuit board, the inside swing joint of mounting groove has the fly leaf, one side fixedly connected with handle of fly leaf opens or closes the fly leaf through the handle, all kinds of interfaces have been seted up to the position that the connecting hole is connected with the fixed block, USB interface, type-C interface and Lightning interface for satisfy the charging demand under the different scenes in the daily life, the one end and the fixed orifices fixed connection of circuit board are kept away from to interface circuit.

Furthermore, other electronic components can be additionally arranged at the vacant positions in the storage space, the lithium battery can have various additional functions by arranging different modules, the charging and discharging modules are additionally arranged, the lithium battery can have the function of being used as an emergency mobile power supply, and flexible insulating materials can be arranged, so that the lithium battery has the shockproof function.

Further, the protective housing and the movable plate are made of materials which are insulating, environment-friendly and not easy to rust, so that the service life of the lithium battery is effectively guaranteed, and meanwhile, partial functional failure of the lithium battery caused by structural rust is avoided.

Further, locking mechanical system is installed to the one end that the hinge was kept away from to protective housing and apron for locking or unblock apron, when protective housing and apron contact completely, can lock the apron through closing locking mechanical system between protective housing and the apron, thereby prevent that external environment from getting into the lithium cell inside and polluting electronic component.

Furthermore, the contact part of the positive and negative electrode interfaces and the external environment is a smooth surface, so that on one hand, the friction resistance born by the cover plate when the cover plate is closed is reduced. On the one hand, the damage to the lithium battery caused by dust and impurity accumulation of the external environment is avoided.

The utility model has the technical effects and advantages that:

1. according to the utility model, the charging mode of the lithium battery is expanded by arranging the expansion device, the traditional lithium battery can be charged only by a special battery charger, so that the limitation of the lithium battery to a charging scene is larger, and the lithium battery is provided with charging and discharging interfaces of different types by the expansion device, so that most of charging scenes in daily life can be satisfied by the interfaces, and the utilization rate of the lithium battery is greatly improved.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic diagram of the overall structure of the present utility model.

Fig. 3 is a schematic structural view of the protection device of the present utility model.

Fig. 4 is a schematic structural view of a main device of the present utility model.

FIG. 5 is a schematic diagram of an expansion device according to the present utility model.

The reference numerals are: 1. a protection device; 101. a protective shell; 111. a storage space; 102. a cover plate; 121. plugging holes; 103. a connection hole; 131. a mounting groove; 2. a main body device; 201. positive and negative interfaces; 211. a limiting ring; 202. a circuit flat cable; 221. a fixing hole; 203. a positive electrode reaction tank; 231. a voltage limiting module; 204. a negative electrode reaction tank; 241. a self-discharge limiting module; 3. an expansion device; 301. a fixed block; 311. a circuit board; 302. a movable plate; 321. a handle; 303. an interface circuit.

Detailed Description

The embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the present utility model, and the configurations of the structures described in the following embodiments are merely examples, and the lithium battery according to the present utility model is not limited to the configurations described in the following embodiments, and all other embodiments obtained by a person skilled in the art without making any creative effort are within the scope of protection of the present utility model.

Referring to fig. 1 and 2, the utility model provides a lithium battery, including a protection device 1, a main body device 2 is installed in the protection device 1, an expansion device 3 is installed at one end of the inner wall of the protection device 1, the internal structure of the lithium battery is protected by the protection device 1, the internal electronic components are prevented from being polluted by contacting with the external environment, the main body device 2 is used as an energy supply system of the lithium battery, and is an important component of the lithium battery, the expansion device 3 is used for expanding the charging mode of the lithium battery, the limitation of the lithium battery on the charging scene is reduced, the protection device 1 comprises a protection shell 101, the electronic components in the lithium battery are protected by the protection shell 101, a storage space 111 is formed in the protection shell 101, the storage space 111 is used for placing the main body device 2 and other electronic components, a cover plate 102 is movably connected to the top end of the protection shell 101, a hinge is installed at a part of the cover plate 102, the protection shell 101 is movably connected with the cover plate 102 by the hinge, a plug hole 121 is formed at the bottom end of the protection shell 102, a connecting hole 103 is formed at one side of the protection shell 101, and the protection shell 103 is enabled to be close to the mounting position of the protection device 3 by the connecting hole 103;

referring to fig. 4, the main body device 2 includes an anode interface 201, a limiting ring 211 is fixedly connected to a bottom end of the anode interface 201, a circuit cable 202 is fixedly connected to a middle portion of the bottom end of the anode interface 201, a fixing hole 221 is formed in a position, close to the limiting ring 211, of one side of the circuit cable 202, a positive electrode reaction tank 203 is fixedly connected to an outer wall of an end, far from the anode interface 201, of the circuit cable 202, a negative electrode reaction tank 204 is fixedly connected to an outer wall of an end, far from the positive electrode reaction tank 203, of the circuit cable 202, a self-discharge limiting module 241 is fixedly connected to an outer wall of an end, close to the negative electrode reaction tank 204, of the circuit cable 202, the anode interface 201 is used for connecting a lithium battery with an external environment, the circuit cable 202 is used for connecting various elements of the main body device 2, the positive electrode reaction tank 203 is an anode of the lithium battery, the negative electrode reaction tank 204 is a cathode of the lithium battery, the positive electrode reaction tank 203 and the negative electrode reaction tank 204 reacts with the negative electrode reaction tank 204, so that a discharge phenomenon is completed, a voltage entering the lithium battery is controlled by the voltage limiting module 231, and a self-discharge phenomenon of the lithium battery is prevented from exceeding a standard safety limit module 241 due to the voltage safety range.

Referring to fig. 5, the expansion device 3 includes a fixed block 301, a circuit board 311 is fixedly connected to the inside of the fixed block 301, an interface circuit 303 is fixedly connected to the top end of the circuit board 311, a movable plate 302 is movably connected to the inside of the mounting groove 131, a handle 321 is fixedly connected to one side of the movable plate 302, the movable plate 302 is opened or closed by the handle 321, various interfaces are provided at the connection position of the connection hole 103 and the fixed block 301, a USB interface, a Type-C interface and a Lightning interface are used for meeting charging requirements in different scenes in daily life, and one end of the interface circuit 303 away from the circuit board 311 is fixedly connected with the fixing hole 221.

Referring to fig. 3, other electronic components may be added at the free position inside the storage space 111, and the lithium battery may have various additional functions by installing different modules, and the charging and discharging module may have the function of an emergency mobile power supply, and may be provided with a flexible insulating material so as to have a shockproof function.

Referring to fig. 1, the protective shell 101 and the movable plate 302 are made of materials which are insulating, environment-friendly and not easy to rust, so that the service life of the lithium battery is effectively ensured, and meanwhile, partial functional failure of the lithium battery caused by structural rust is avoided.

Referring to fig. 3, a locking mechanism is installed at the end of the protective housing 101 and the cover 102 away from the hinge, for locking or unlocking the cover 102, and when the protective housing 101 is in full contact with the cover 102, the cover 102 can be locked by closing the locking mechanism between the protective housing 101 and the cover 102, thereby preventing the external environment from entering the interior of the lithium battery to pollute the electronic components.

Referring to fig. 4, the contact portion between the positive and negative electrode interfaces 201 and the external environment is a smooth surface, so that on one hand, the friction resistance applied when the cover plate 102 is closed is reduced. On the one hand, the damage to the lithium battery caused by dust and impurity accumulation of the external environment is avoided.

The working principle of the utility model is as follows: when the lithium battery is used, the working state and the cleanliness of each structural part are checked firstly, the structural parts can work normally and are free from foreign matter impurity blockage, then the main body device 2 and other electronic elements are placed in the storage space 111, the main body device 2 is connected with the external environment through the positive and negative electrode interfaces 201 and used for completing the charging and discharging process of the lithium battery, the rest structural parts of the lithium battery are installed in sequence, various interfaces are fixedly connected with the circuit board 311 through the connecting holes 103, electric signals are transmitted to the interface circuit 303 through the circuit board 311 so as to enter the voltage limiting module 231, the voltage of the lithium battery passing through the circuit flat cable 202 is regulated through the voltage limiting module 231, the damage of the lithium battery caused by the too high or too low voltage is prevented, when a special charger is used, various interfaces of the connecting holes 103 are not needed, the handle 321 is slid downwards at this moment, the handle 321 drives the movable plate 302 to move downwards, the connecting holes 103 are enabled to be connected with the external environment, the electronic elements in the lithium battery are prevented from being short-circuited due to dust entering, the internal electronic elements of the lithium battery are prevented from influencing the service life of the lithium battery, when various interfaces of the connecting holes 103 are used, the special interfaces are not needed, the positive and negative electrode interfaces are used, the positive and the negative electrode interfaces are enabled to be connected with the special charger, the special charger is closed, and the cover plate 102 is enabled to lock the lithium battery cover plate 102, and the effective life of the cover plate 102 can be locked through the cover plate 102 when the cover plate 102 is ensured.

Finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. Lithium battery, comprising a protection device (1), characterized in that: the internally mounted of protection device (1) has main part device (2), extension device (3) are installed to the one end of protection device (1) inner wall, protection device (1) is including protective housing (101), storing space (111) have been seted up to the inside of protective housing (101), the top swing joint of protective housing (101) has apron (102), the hinge is installed with the part of protective housing (101) contact, the apron (101) passes through hinge swing joint with apron (102), jack (121) have been seted up to apron (102) bottom, connecting hole (103) have been seted up to the bottom of protective housing (101) one side, mounting groove (131) have been seted up to the position that protective housing (101) are close to connecting hole (103).

2. A lithium battery according to claim 1, wherein: the main body device (2) comprises an anode interface (201), a limiting ring (211) is fixedly connected to the bottom end of the anode interface (201), a circuit flat cable (202) is fixedly connected to the middle of the bottom end of the anode interface (201), a fixing hole (221) is formed in the position, close to the limiting ring (211), of one side of the circuit flat cable (202), a positive electrode reaction tank (203) is fixedly connected to the outer wall of one end, far away from the anode interface (201), of the circuit flat cable (202), a negative electrode reaction tank (204) is fixedly connected to the outer wall of one end, far away from the positive electrode reaction tank (203), of the circuit flat cable (202), and a self-discharge limiting module (241) is fixedly connected to the outer wall of one end, close to the negative electrode reaction tank (204).

3. A lithium battery according to claim 1, wherein: the expansion device (3) comprises a fixed block (301), a circuit board (311) is fixedly connected inside the fixed block (301), an interface circuit (303) is fixedly connected to the top end of the circuit board (311), a movable plate (302) is movably connected inside the mounting groove (131), a handle (321) is fixedly connected to one side of the movable plate (302), and one end, far away from the circuit board (311), of the interface circuit (303) is fixedly connected with the fixing hole (221).

4. A lithium battery according to claim 1, wherein: and other electronic components can be additionally arranged at the vacant positions in the storage space (111) or flexible insulating materials can be filled in the vacant positions.

5. A lithium battery according to claim 1, wherein: the protective shell (101) and the movable plate (302) are made of materials which are insulating, environment-friendly and not easy to rust.

6. A lithium battery according to claim 1, wherein: and a locking mechanism is arranged at one end, far away from the hinge, of the protective shell (101) and the cover plate (102).

7. A lithium battery according to claim 2, wherein: the part of the positive and negative electrode interfaces (201) contacted with the external environment is a smooth surface.