CN215869613U

CN215869613U - Lithium battery with charging protection structure

Info

Publication number: CN215869613U
Application number: CN202121255650.2U
Authority: CN
Inventors: 叶丹虹
Original assignee: Guangzhou Geben New Energy Technology Co ltd
Current assignee: Guangzhou Geben New Energy Technology Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2022-02-18
Anticipated expiration: 2031-06-07

Abstract

The utility model discloses a lithium battery with a charging protection structure, which comprises a battery pack, wherein supporting blocks are respectively arranged at four corners of the lower surface of the battery pack, the upper surface of each supporting block is fixedly connected with the lower surface of the battery pack, the lower surface of each supporting block is fixedly connected with the upper surface of a bottom plate, a protective shell is arranged on the outer side of the battery pack and fixedly connected with the periphery of the upper surface of the bottom plate, a connecting hole is formed in the center of the side surface of the left side of each protective shell, each protective shell is fixedly connected with the outer side surface of a circuit pipe B through the corresponding connecting hole, one end of the circuit pipe B is fixedly connected with the battery pack, and the other end of the circuit pipe B penetrates through the corresponding connecting hole to be fixedly connected with a protection socket; the protection socket comprises a connecting piece B, the connecting piece B is fixedly connected with a circuit pipe B through a through hole A, a charging wire B is arranged inside the circuit pipe B, one end of the charging wire B is fixedly connected with a charging terminal of a battery pack, and the other end of the charging wire B penetrates through the circuit pipe B and the connecting piece B and is fixedly connected with a wiring end of a plug A.

Description

Lithium battery with charging protection structure

Technical Field

The utility model relates to the technical field of batteries, in particular to a lithium battery with a charging protection structure.

Background

Lithium batteries, which are batteries using lithium metal or lithium alloy as negative electrode material and using non-aqueous electrolyte solution, were proposed and studied by gilbert n.lewis in 1912, and were proposed and studied by m.s.whittingham in the 70 s of 20 th century, because lithium batteries have the advantages of higher energy, long service life, high rated voltage, low self-discharge rate, etc., they are widely used in various industries, and the chemical properties of lithium metal are very active, so that the requirements on the environment for processing, storage and use of lithium metal are very high, and with the development of scientific technology, lithium batteries have become mainstream at present. In the prior art, when a lithium battery is charged, a protection structure is lacked at the joint of a charging head, so that the joint is easy to fall off to cause safety accidents; and the head that charges meets the rainwater and probably also can arouse short circuit fault when the outside charges, causes the group battery loss, and the lithium cell is rechargeable battery in addition, can use repeatedly usually, when the lithium cell electric quantity is lower, can charge the lithium cell, and the lithium cell can produce a large amount of heats when charging, if can not in time disperse the heat will probably lead to battery life to subtract the short or even arouse dangerous situations such as high temperature explosion, fire etc..

Disclosure of Invention

The present invention is directed to a lithium battery with a charging protection structure, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme:

a lithium battery with a charging protection structure comprises a battery pack, wherein supporting blocks are arranged at four corners of the lower surface of the battery pack respectively, the upper surfaces of the supporting blocks are fixedly connected with the lower surface of the battery pack, the lower surface of each supporting block is fixedly connected with the upper surface of a bottom plate, a protective shell is arranged on the outer side of the battery pack and fixedly connected with the periphery of the upper surface of the bottom plate, a connecting hole is formed in the center of the side surface of the left side of the protective shell, the protective shell is fixedly connected with the outer side surface of a circuit tube B through the connecting hole, one end of the circuit tube B is fixedly connected with the battery pack, and the other end of the circuit tube B penetrates through the connecting hole to be fixedly connected with a protection socket; the protection socket comprises a connecting piece B, the connecting piece B is fixedly connected with a circuit pipe B through a through hole A, a charging wire B is movably clamped in the circuit pipe B, one end of the charging wire B is fixedly connected with a charging terminal of the battery pack, and the other end of the charging wire B penetrates through the circuit pipe B and the connecting piece B to be fixedly connected with a wiring end of a plug A; the medial surface of connecting piece B and annular electromagnet A's lateral surface fixed connection, annular electromagnet A and annular electromagnet B swing joint, annular electromagnet B and connecting piece A fixed connection, open at connecting piece A's lateral surface center has through-hole B, connecting piece A passes through-hole B and circuit pipe A one end fixed connection, circuit pipe A's inside activity joint has charging wire A, and circuit pipe A and connecting piece A and plug B's wiring end fixed connection is passed to charging wire A's one end, open at protective housing upper surface center has the water inlet, and the protective housing passes through the one end fixed connection of water inlet and connecting pipe, and the other end of connecting pipe and the play water end fixed connection of water pump, water pump fixed connection are at the upper surface of protective housing, the end of intaking of water pump and the one end fixed connection of inlet tube, and the other end of inlet tube links to each other with the water source.

As a further scheme of the utility model: the center of the lower surface of the bottom plate is provided with a water outlet.

As a further scheme of the utility model: the connecting piece B is in a hollow hemispherical shape, and a through hole A is formed in the center of the outer side face of the connecting piece B.

As a further scheme of the utility model: the connecting piece A and the connecting piece B are identical in structure, and the size of the connecting piece A is smaller than that of the connecting piece B.

As a still further scheme of the utility model: and the plug B is movably clamped with the plug A.

Compared with the prior art, the utility model has the beneficial effects that: the protective shell is arranged outside the battery pack, so that the battery pack can be effectively protected from being damaged when the outside is impacted.

Cover plug A and plug B inside through setting up connecting piece A and connecting piece B, avoid receiving the rainwater drench and arouse that group battery short circuit etc. causes the damage.

Through mutual attraction of the electromagnet A and the electromagnet B, the falling of the plug A and the plug B in connection can be effectively reduced.

The water pump protects the inside water injection mutually and can dispel the heat to the group battery, avoids high temperature to arouse high temperature and explodes, catches fire, prolongs the life of group battery.

Drawings

Fig. 1 is a front view of a lithium battery with a charge protection structure.

Fig. 2 is a cross-sectional view of a lithium battery with a charge protection structure of fig. 1.

Fig. 3 is a sectional view of a lithium battery protection socket with a charge protection structure.

In the figure: the water pump water heater comprises a bottom plate 1, a circuit sleeve A2, a connecting piece A3, a connecting piece B4, a circuit pipe B5, a water inlet pipe 6, a water pump 7, a connecting pipe 8, a water inlet 9, a protective shell 10, a supporting block 11, a water outlet 12, a battery pack 13, a charging wire A14, an annular electromagnet A15, a charging wire B16, a plug A17, an annular electromagnet B18 and a plug B19.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, in an embodiment of the present invention, a lithium battery with a charging protection structure includes a battery pack 13, support blocks 11 are respectively disposed at four corners of a lower surface of the battery pack 13, an upper surface of each support block 11 is fixedly connected to a lower surface of the battery pack 13, a lower surface of each support block 11 is fixedly connected to an upper surface of a base plate 1, a protective shell 10 is disposed outside the battery pack 13, the protective shell 10 is fixedly connected to the periphery of the upper surface of the base plate 1, a connection hole is formed in a center of a left end side surface of the protective shell 10, the protective shell 10 is fixedly connected to an outer side surface of a circuit tube B5 through the connection hole, one end of the circuit tube B5 is fixedly connected to the battery pack 13, and the other end of the circuit tube B5 passes through the connection hole and is fixedly connected to a protection socket; the protection socket comprises a connecting piece B4, the connecting piece B4 is in a hollow hemispherical shape, a through hole A is formed in the center of the outer side surface of the connecting piece B4, the connecting piece B4 is fixedly connected with a circuit tube B5 through the through hole A, a charging wire B16 is movably clamped inside the circuit tube B5, one end of the charging wire B16 is fixedly connected with a charging terminal of the battery pack 13, and the other end of the charging wire B16 penetrates through a circuit tube B5 and the connecting piece B4 to be fixedly connected with a terminal of a plug A17; the inner side surface of the connecting piece B4 is fixedly connected with the outer side surface of the annular electromagnet A15, the annular electromagnet A15 is movably connected with the annular electromagnet B18, the annular electromagnet A15 and the annular electromagnet B18 are respectively connected with an external power supply through switches, the annular electromagnet B18 is fixedly connected with the connecting piece A3, the connecting piece A3 and the connecting piece B4 are the same in structure, the size of the connecting piece A3 is smaller than that of the connecting piece B4, a through hole B is formed in the center of the outer side surface of the connecting piece A3, the connecting piece A3 is fixedly connected with one end of a circuit pipe A2 through the through hole B, a charging wire A14 is movably clamped inside the circuit pipe A2, one end of the charging wire A14 penetrates through the circuit pipe A2 and the connecting piece A3 to be fixedly connected with a terminal of a plug B19, and the other end of the charging wire A14 is connected with the external power supply; the water inlet 9 is formed in the center of the upper surface of the protective shell 10, the protective shell 10 is fixedly connected with one end of the connecting pipe 8 through the water inlet 9, the other end of the connecting pipe 8 is fixedly connected with the water outlet end of the water pump 7, the water pump 7 is fixedly connected to the upper surface of the protective shell 10, the model of the water pump 7 is 150QJ10-50/7, the water pump 7 is connected with an external power supply through a switch, the water inlet end of the water pump 7 is fixedly connected with one end of the water inlet pipe 6, and the other end of the water inlet pipe 6 is connected with a water source.

A water outlet 12 is formed in the center of the lower surface of the bottom plate 1.

Plug B19 is movably clamped with plug A17.

The working principle of the utility model is as follows: when the battery pack 13 needs to be charged, the plug A17 is movably clamped with the plug B19, the annular electromagnet A15 and the annular electromagnet B18 are attracted together after the switch is opened, after the battery pack 13 generates a large amount of heat during charging, the switch of the water pump 7 is opened, the water pump injects water from the water inlet 9, the water flows out from the water outlet 12, and the heat generated by the battery pack 13 is taken away by water flow.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection, a mechanical connection, or an electrical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The lithium battery with the charging protection structure comprises a battery pack (13) and is characterized in that supporting blocks (11) are arranged at four corners of the lower surface of the battery pack (13) respectively, the upper surface of each supporting block (11) is fixedly connected with the lower surface of the battery pack (13), the lower surface of each supporting block (11) is fixedly connected with the upper surface of a bottom plate (1), a protective shell (10) is arranged on the outer side of the battery pack (13), the protective shell (10) is fixedly connected with the periphery of the upper surface of the bottom plate (1), a connecting hole is formed in the center of the side surface of the left side of the protective shell (10), the protective shell (10) is fixedly connected with the outer side surface of a line pipe B (5) through the connecting hole, one end of the line pipe B (5) is fixedly connected with the battery pack (13), and the other end of the line pipe B (5) penetrates through the connecting hole to be fixedly connected with a protective socket; the protection socket comprises a connecting piece B (4), the connecting piece B (4) is fixedly connected with a circuit pipe B (5) through a through hole A, a charging wire B (16) is movably clamped inside the circuit pipe B (5), one end of the charging wire B (16) is fixedly connected with a charging terminal of a battery pack (13), and the other end of the charging wire B (16) penetrates through the circuit pipe B (5) and the connecting piece B (4) to be fixedly connected with a wiring terminal of a plug A (17); the inner side surface of a connecting piece B (4) is fixedly connected with the outer side surface of an annular electromagnet A (15), the annular electromagnet A (15) is movably connected with an annular electromagnet B (18), the annular electromagnet B (18) is fixedly connected with a connecting piece A (3), a through hole B is formed in the center of the outer side surface of the connecting piece A (3), the connecting piece A (3) is fixedly connected with one end of a circuit pipe A (2) through the through hole B, a charging wire A (14) is movably clamped inside the circuit pipe A (2), one end of the charging wire A (14) penetrates through the circuit pipe A (2) and the connecting piece A (3) and is fixedly connected with a wiring terminal of a plug B (19), a water inlet (9) is formed in the center of the upper surface of a protective shell (10), the protective shell (10) is fixedly connected with one end of a connecting pipe (8) through the water inlet (9), and the other end of the connecting pipe (8) is fixedly connected with a water outlet end of a water pump (7), water pump (7) fixed connection is at the upper surface of protective housing (10), and the end of intaking of water pump (7) is connected with the one end fixed connection of inlet tube (6), and the other end of inlet tube (6) links to each other with the water source.

2. The lithium battery with the charging protection structure as claimed in claim 1, wherein the bottom plate (1) is provided with a water outlet (12) at the center of the lower surface.

3. The lithium battery with the charging protection structure as claimed in claim 1, wherein the connecting member B (4) is in a hollow hemispherical shape, and a through hole a is formed in the center of the outer side surface of the connecting member B (4).

4. The lithium battery with a charging protection structure as claimed in claim 1, wherein the connecting member A (3) and the connecting member B (4) have the same structure, and the size of the connecting member A (3) is smaller than that of the connecting member B (4).

5. The lithium battery with the charging protection structure as claimed in claim 1, wherein the plug B (19) is movably clamped with the plug A (17).