CN217444572U

CN217444572U - Lithium battery with battery overcharge protection structure

Info

Publication number: CN217444572U
Application number: CN202123262453.6U
Authority: CN
Inventors: 田建华
Original assignee: Guangdong Yongbang New Energy Co
Current assignee: Guangdong Yongbang New Energy Co
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-09-16
Anticipated expiration: 2031-12-23

Abstract

The utility model discloses a lithium cell with battery overcharge protection architecture, include the shell and connect the base in the shell bottom, the upper surface of shell is connected with the handle, the inner chamber has been seted up to the inside of shell, the internally mounted of inner chamber has lithium cell body, lithium cell body's upper surface is connected with the detector that discharges, the surface of detector that discharges is connected with central controller, lithium cell body's bottom is connected with electric telescopic handle, the second breach has been seted up to the upper surface of base, the inside interlude of second breach has the charger, the left and right sides of charger all is provided with the connecting plate, the inner wall connection of base has the baffle, the baffle sets up about base bilateral symmetry. The utility model discloses a be provided with a series of structures, can prevent that the overcharge from appearing, and use mechanical structure to protect, avoid the circuit short circuit to cause the influence to protective structure, can also prevent that the charger slope from rocking when charging simultaneously.

Description

Lithium battery with battery overcharge protection structure

Technical Field

The utility model relates to a lithium cell technical field specifically is a lithium cell with battery overcharge protection architecture.

Background

Lithium batteries are batteries using lithium metal or lithium alloy as a negative electrode material and using a nonaqueous electrolyte solution, and therefore, such batteries are also called lithium metal batteries, and unlike other batteries, lithium batteries have characteristics of high charge density, long life, high unit cost, and the like.

Although the lithium cell is long service life, if use the nonstandard still make the lithium cell damage easily, for example when charging to the lithium cell, most of the cases when the electric quantity has been full of, because user's forget, the charger still is always in the inside input power of past lithium cell for the lithium cell continuously generates heat and causes the damage, although on the market there is the lithium cell to be equipped with prevents overcharging subassembly, these subassemblies are the electrical components who sets up on the power connecting wire mostly, receive influences such as circuit short circuit easily and cause phenomenons such as catching fire.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium cell with battery overcharge protection architecture 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 with battery overcharge protection architecture, includes the shell and connects the base in the shell bottom, the upper surface of shell is connected with the handle, the inner chamber has been seted up to the inside of shell, the internally mounted of inner chamber has lithium cell body, lithium cell body's upper surface is connected with the detector that discharges, the surface of the detector that discharges is connected with central controller, lithium cell body's bottom is connected with electric telescopic handle, the second breach has been seted up to the upper surface of base, the charger has been alternate in the inside of second breach, the left and right sides of charger all is provided with the connecting plate, the inner wall connection of base has the baffle, the baffle sets up about base bilateral symmetry.

Preferably, both ends surface all is provided with the slot-like structure around the bottom of lithium cell body, electric telescopic handle is located the inside of this slot-like structure, electric telescopic handle is located the charger directly over.

Preferably, a first notch is formed in the lower portion of the electric telescopic rod, the bottom of the shell is penetrated through by the first notch, and the top of the charger is inserted into the first notch.

Preferably, the middle position of the outer end surface of the connecting plate is connected with a screw rod through a shaft, the upper side and the lower side of the screw rod are respectively provided with a limiting rod, and the inner end of each limiting rod is connected with the connecting plate.

Preferably, the screw rod and the limiting rod are inserted in the partition plate.

Preferably, the inner end surface of the connecting plate is provided with a first notch, and a first magnet is connected inside the first notch.

Preferably, both sides all are provided with the second notch of seting up in the inside of base around the connecting plate, the inside equidistant second magnet that is connected with of second notch, the lower surface of second magnet and the lower surface parallel and level of base.

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

1. this lithium cell with battery overcharge protection architecture, through setting up electric telescopic handle, electric telescopic handle is located directly over the charger, and it is when the inside electric storage capacity of lithium cell reaches the threshold value, stretches out and draws back automatically to the charger is moved in the top, makes the charger and the interface separation that charges of lithium cell, the disconnection charge.

2. This lithium cell with battery overcharge protection architecture, through setting up the connecting plate, the connecting plate sets up in charger both sides, and it can slide through the rotation of lead screw and be close to, and then from both sides with the charger centre gripping together to guarantee that the charger can not the inclined sliding when charging.

3. This lithium cell with battery overcharge protection architecture is columniform second magnet through the setting, and the equidistant inside that is located the second notch of second magnet to when the base was placed on the metal surface, can and the metal surface between produce the adsorption affinity, make the device more stable.

Drawings

FIG. 1 is a front sectional view of the present invention;

fig. 2 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

FIG. 3 is a schematic perspective view of the connecting plate of the present invention;

fig. 4 is a schematic view of the three-dimensional structure of the base of the present invention.

In the figure: 1. a housing; 2. a handle; 3. an inner cavity; 4. a lithium battery body; 5. a discharge detector; 6. a central controller; 7. an electric telescopic rod; 8. a first notch; 9. a charger; 10. a base; 11. a second notch; 12. a partition plate; 13. a screw rod; 14. a connecting plate; 15. a first notch; 16. a first magnet; 17. a limiting rod; 18. a second recess; 19. a second magnet.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; 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 in specific cases to those skilled in the art.

Example 1

As shown in fig. 1, fig. 2 and fig. 3, the lithium battery with the battery overcharge protection structure of the present embodiment includes a housing 1 and a base 10 connected to the bottom of the housing 1, a handle 2 is connected to an upper surface of the housing 1, the device is convenient to carry through the handle 2, an inner cavity 3 is formed in the housing 1, a lithium battery body 4 is installed in the inner cavity 3, the lithium battery body 4 is fixedly installed in the inner cavity 3, a discharge detector 5 is connected to the upper surface of the lithium battery body 4, the discharge detector 5 detects the electricity storage amount of the lithium battery, a central controller 6 is connected to an outer surface of the discharge detector 5, the central controller 6 wirelessly transmits signals to the discharge detector 5, the central controller 6 receives signals transmitted from the discharge detector 5 to control other electrical components to operate, an electric telescopic rod 7 is connected to the bottom of the lithium battery body 4, a second notch 11 is formed on the upper surface of the base 10, charger 9 has been alternate to the inside of second breach 11, and charger 9 passes second breach 11 and is connected with lithium cell 4, can make charger 9 and lithium cell 4 separation through the promotion of electric telescopic handle 7, and the left and right sides of charger 9 all is provided with connecting plate 14, and connecting plate 14 carries on spacingly from both sides to charger 9, prevents that it from rocking, and the inner wall connection of base 10 has baffle 12, and baffle 12 sets up about base 10 bilateral symmetry.

Specifically, both ends surface all is provided with the groove-shaped structure around the bottom of lithium cell body 4, and electric telescopic handle 7 is located the inside of this groove-shaped structure, and electric telescopic handle 7 is located charger 9 directly over, through setting up the groove-shaped structure for electric telescopic handle 7's mounted position is just in time located charger 9's top.

Further, the below of electric telescopic handle 7 is provided with first breach 8, and first breach 8 runs through the bottom of shell 1, and the top of charger 9 alternates in the inside of first breach 8, through first breach 8 for charger 9 can pass shell 1 and be connected with lithium cell body 4.

Further, a screw rod 13 is axially connected to the middle position of the outer end surface of the connecting plate 14, limiting rods 17 are respectively arranged on the upper side and the lower side of the screw rod 13, the inner ends of the limiting rods 17 are connected with the connecting plate 14, and the screw rod 13 can push the connecting plate 14 to slide through rotation, so that the charger 9 is clamped.

Further, the screw rod 13 and the limiting rod 17 are inserted in the partition plate 12, the limiting rod 17 is limited, and the screw rod 13 is inserted in the partition plate 12 to enable the partition plate to stably slide when rotating.

Furthermore, a first notch 15 is formed in the inner end surface of the connecting plate 14, a first magnet 16 is connected inside the first notch 15, the two first magnets 16 have opposite magnetic poles, and the two connecting plates 14 can be connected together through the adsorption between the first magnets 16.

The using method of the embodiment comprises the following steps: pass first breach 8 and second breach 11 with charger 9, make it be connected with lithium cell body 4 and charge, manual rotation lead screw 13 this moment, make connecting plate 14 promoted to be close to, utilize the absorption of first magnet 16, with the charger 9 centre gripping stopper, in the charging process, discharge detector 5 detects the inside electric storage capacity of lithium cell body 4, when electric storage capacity reaches the threshold value, with signal transmission to central controller 6, central controller 6 controls the flexible top of electric telescopic handle 7 and moves charger 9, make charger 9 and lithium cell body 4 separate.

Example 2

The structure of the lithium battery with the battery overcharge protection structure in this embodiment is substantially the same as that of the lithium battery with the battery overcharge protection structure in embodiment 1, and the difference is that: both sides all are provided with the second notch 18 of seting up in the inside of base 10 around connecting plate 14, and the equidistant second magnet 19 that is connected with in the inside of second notch 18, and the lower surface parallel and level of second magnet 19 and the lower surface of base 10 make base 10 can adsorb with the metal installation surface through second magnet 19 for the installation is more stable (see fig. 4).

The using method of the embodiment comprises the following steps: when the lithium battery is placed and installed on the metal surface, the second magnet 19 inside the second recess 18 will attract the metal surface, so that the base 10 is more stable, and the lithium battery is stably installed.

Finally, it should be noted that: 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 modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A lithium battery with a battery overcharge protection structure, comprising a housing (1) and a base (10) connected to the bottom of the housing (1), characterized in that: the utility model discloses a lithium battery charger, including shell (1), inner chamber (3), lithium cell body (4), upper surface connection of lithium cell body (4), the inner chamber (3) have been seted up to the inside of shell (1), the internally mounted of inner chamber (3) has lithium cell body (4), the upper surface connection of lithium cell body (4) has discharge detector (5), the surface connection of discharge detector (5) has central controller (6), the bottom of lithium cell body (4) is connected with electric telescopic handle (7), second breach (11) have been seted up to the upper surface of base (10), charger (9) have been alternates in the inside of second breach (11), the left and right sides of charger (9) all is provided with connecting plate (14), the inner wall connection of base (10) has baffle (12), baffle (12) set up about base (10) bilateral symmetry.

2. A lithium battery having a battery overcharge protection structure according to claim 1, wherein: the lithium battery charging rack is characterized in that groove-shaped structures are arranged on the surfaces of the front end and the rear end of the bottom of the lithium battery body (4), the electric telescopic rod (7) is located inside the groove-shaped structures, and the electric telescopic rod (7) is located right above the charger (9).

3. A lithium battery having a battery overcharge protection structure according to claim 2, wherein: the electric telescopic handle is characterized in that a first notch (8) is formed in the lower portion of the electric telescopic handle (7), the bottom of the shell (1) is penetrated through by the first notch (8), and the top of the charger (9) is inserted into the first notch (8).

4. A lithium battery having a battery overcharge protection structure according to claim 1, wherein: the screw rod (13) is connected to the middle position of the outer end surface of the connecting plate (14) in a shaft mode, limiting rods (17) are arranged on the upper side and the lower side of the screw rod (13) respectively, and the inner ends of the limiting rods (17) are connected with the connecting plate (14).

5. A lithium battery having a battery overcharge protection structure according to claim 4, wherein: the screw rod (13) and the limiting rod (17) are inserted in the partition plate (12).

6. A lithium battery having a battery overcharge protection structure according to claim 4, wherein: a first notch (15) is formed in the inner end surface of the connecting plate (14), and a first magnet (16) is connected inside the first notch (15).

7. A lithium battery having a battery overcharge protection structure according to claim 6, wherein: the front side and the rear side of the connecting plate (14) are respectively provided with a second notch (18) arranged inside the base (10), the inside of each second notch (18) is connected with a second magnet (19) at equal intervals, and the lower surface of each second magnet (19) is flush with the lower surface of the base (10).