CN212182493U

CN212182493U - Ternary lithium ion battery with bulge alarming function

Info

Publication number: CN212182493U
Application number: CN202021388431.7U
Authority: CN
Inventors: 郑康宁; 王媛媛; 李继春; 王栋; 蒙金凤; 邓炳兰
Original assignee: Phenix New Energy Huizhou Co ltd
Current assignee: Phenix New Energy Huizhou Co ltd
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2020-12-18
Anticipated expiration: 2030-07-15

Abstract

The utility model relates to a ternary lithium ion battery with swell alarming function, including protective housing, battery body, alarm, power, trigger piece and wire assembly, battery body sets up in the protective housing, and alarm and power are fixed in the protective housing inner wall, and the laminating of trigger piece sets up in battery body's both sides face, and the side of wire assembly laminating trigger piece, wire assembly connect alarm and power respectively, and the wire assembly middle part is equipped with the portion of opening a circuit, and the trigger piece includes breakable shell and sets up the conducting liquid in breakable shell. The utility model discloses be provided with alarm and power, wherein alarm and power are equipped with the lead wire assembly connection of the portion of opening circuit through the middle part, hug closely battery body and still are equipped with the trigger piece, and the trigger piece comprises breakable shell and the conducting solution that is located breakable shell, extrudes breakable shell when battery body takes place to swell, and the conducting solution oozes and covers lead wire assembly's the portion of opening circuit for alarm circular telegram is reported to the police, realizes the alarming function to the swell.

Description

Ternary lithium ion battery with bulge alarming function

Technical Field

The utility model relates to a battery technology field, concretely relates to ternary lithium ion battery with swell alarming function.

Background

Lithium ion batteries are chemical batteries that use lithium as the negative active material. The standard electrode potential of lithium is most negative, the specific gravity in metal is lightest, the reaction activity is highest, so the electromotive force and the specific energy of the lithium battery are very high, the lithium battery is an important high-energy battery, the ternary polymer lithium battery is a lithium battery of which the anode material is a ternary anode material of nickel cobalt lithium manganate or nickel cobalt lithium aluminate, the ternary composite anode material takes nickel salt, cobalt salt and manganese salt as raw materials, the proportion of nickel, cobalt and manganese in the ternary composite anode material can be adjusted according to actual needs, and the safety of the battery of which the ternary material is used as the anode is higher than that of a cobalt lithium battery.

And under the condition that products are improperly used or the quality of batteries is not over-qualified, the ternary lithium ion battery is easy to bulge, but because the ternary lithium ion battery is generally arranged in equipment, the ternary lithium ion battery can still be continuously used after bulging, the battery is easy to explode, the equipment is damaged, and even the personal safety of a user is endangered.

Therefore, a ternary lithium ion battery with a bulge alarming function is needed.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem of the aforesaid ternary lithium ion battery swell with swell alarming function, the utility model provides a ternary lithium ion battery with swell alarming function that safe in utilization, have swell alarming function.

The utility model discloses a ternary lithium ion battery with swell alarming function, include: protective housing, battery body, alarm, a power supply, trigger piece and wire assembly, battery body sets up in the protective housing, the protective housing is worn out to battery body's utmost point ear, alarm and power are fixed in the protective housing inner wall, trigger the laminating and set up in battery body's both sides face, wire assembly laminating triggers the side of piece and is located between trigger piece and the protective housing, wire assembly connects alarm and power respectively, wire assembly middle part is equipped with the portion of opening circuit, wherein trigger piece includes: the fragile shell and the conductive liquid arranged in the fragile shell.

According to the utility model discloses an embodiment is provided with the pronunciation hole that corresponds with the alarm on the protective housing.

According to an embodiment of the present invention, the wire assembly includes: and the positive and negative electrode wires are respectively connected with the alarm and the power supply and are transversely and uniformly distributed.

According to the utility model discloses an embodiment, ternary lithium ion battery still includes: and the limiting cross rod is arranged in the protective shell and is positioned between the wire assembly and the protective shell.

According to the utility model discloses an embodiment, ternary lithium ion battery still includes: and the buffer rubber pad is arranged between the limiting cross rod and the lead assembly.

The utility model discloses a ternary lithium ion battery is provided with alarm and the power that is used for reporting to the police, wherein alarm and power are equipped with the wire assembly connection of the portion of opening circuit through the middle part, it still is equipped with the trigger piece to hug closely battery body, the trigger piece comprises breakable shell and the conducting solution that is located breakable shell, extrude breakable shell when battery body takes place to swell, lead to the conducting solution to ooze and cover the portion of opening circuit of wire assembly, make wire assembly intercommunication alarm and power, alarm circular telegram is reported to the police, the realization is to swell alarming function, the design is simple, ternary lithium ion battery's security performance is improved.

Drawings

Fig. 1 is the structure diagram of the ternary lithium ion battery with the bulge alarming function in the utility model.

Fig. 2 is the cross-sectional schematic diagram of the ternary lithium ion battery with the bulge alarming function in the utility model.

Detailed Description

The ternary lithium ion battery with the bulge alarming function according to the present invention will be described in further detail with reference to the following embodiments and accompanying drawings.

Please refer to fig. 1 to 2.

The utility model provides a ternary lithium ion battery with swell alarming function, including protective housing 10, battery body 20, alarm 30, power 40, trigger 50 and wire assembly 60. Battery body 20 sets up in protective housing 10, and battery body 20's utmost point ear wears out protective housing 10 and realizes being connected with external equipment, and alarm 30 and power 40 are fixed in protective housing 10 inner wall, for example, the inside mounting groove that corresponds with alarm 30 and power 40 respectively that is provided with of protective housing 10, and alarm 30 and power 40 inlay and locate in corresponding the mounting groove, save protective housing inner space. Wherein in this application, the alarm 30 adopts bee calling organ, is provided with the sound hole 101 that corresponds with alarm 30 on the protective housing 10, and the sound of alarm 30 is convenient for transmit to the protective housing 10 outside through sound hole 101. The trigger 50 is attached to two side surfaces of the battery body 20, the lead assembly 60 is attached to the side surfaces of the trigger 50, the lead assembly 60 is located between the trigger 50 and the protective shell 10, the lead assembly 60 is connected with the alarm 30 and the power source 40 respectively, and the middle of the lead assembly 60 is provided with a circuit breaking portion. The trigger 50 includes a frangible casing 51 and a conductive liquid 52 disposed in the frangible casing 51, wherein the frangible casing 51 is made of a frangible material, such as glass, so that the frangible casing 51 is easily broken under a force.

The utility model discloses a ternary lithium ion battery theory of operation as follows: when the alarm is not in an alarm state, the lead assembly 60 is in an open circuit state through the open circuit part, and the alarm 30 and the power supply 40 are not conducted at the moment; when the battery body 20 bulges, namely the surface of the battery body 20 bulges, the trigger 50 is squeezed, so that the fragile shell 51 is broken, then the conductive liquid 52 in the fragile shell 51 flows out and covers the circuit breaking part, at this time, the alarm 30 and the power supply 40 are conducted, and the alarm 30 works to give out a sound and give an alarm.

In an embodiment, the wire assembly 60 includes a plurality of sets of positive and negative wires 61 respectively connected to the alarm 30 and the power source 40, wherein the plurality of sets of positive and negative wires 61 are transversely and uniformly distributed, and one set of the plurality of sets of positive and negative wires 61 is conducted to activate the alarm 30 to alarm, thereby enlarging the area of the wire assembly 60 triggering the alarm and improving the response speed of the alarm.

In an embodiment, the ternary lithium ion battery further includes a limiting cross bar 70 disposed in the protective shell 10, wherein the limiting cross bar 70 is located between the lead assembly 60 and the protective shell 10, and the limiting cross bar 70 is used to clamp and limit the battery body 20, the trigger 50 and the lead assembly 60, so that the three components are in close contact, and the accuracy of monitoring the bulge of the battery body 20 is effectively improved.

In still another embodiment, ternary lithium ion battery still includes the buffering cushion 80 that sets up between spacing horizontal pole 70 and wire assembly 60, wherein utilizes and provides certain buffering to trigger 50 through buffering cushion 80, avoids trigger 50 to receive the impact and break in the battery use, effectively reduces the false triggering of warning, further guarantees the utility model discloses a ternary lithium ion battery bulge is to the precision of bulge warning.

To sum up, the utility model discloses a ternary lithium ion battery is provided with alarm and the power that is used for the warning, wherein alarm and power are equipped with the lead assembly connection of the portion of opening circuit through the middle part, it still is equipped with the trigger piece to hug closely battery body, the trigger piece comprises breakable shell and the conducting solution that is located breakable shell, extrude breakable shell when battery body takes place to swell, lead to the conducting solution to ooze and cover lead assembly's the portion of opening circuit, make lead assembly intercommunication alarm and power, alarm circular telegram is reported to the police, realize the alarming function to swelling, the design is simple, ternary lithium ion battery's security performance is improved.

In the description of the present invention, it is to be understood that the terms such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", 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 simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

While the invention has been described in conjunction with the specific embodiments set forth above, it is evident that many alternatives, modifications, and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, all such alternatives, modifications, and variations are intended to be included within the spirit and scope of the present invention.

Claims

1. A ternary lithium ion battery with a bulge alarming function is characterized by comprising: protective housing, battery body, alarm, power, trigger piece and wire assembly, battery body set up in the protective housing, battery body's utmost point ear is worn out the protective housing, alarm and power are fixed in the protective housing inner wall, trigger piece laminating set up in battery body's both sides face, the wire assembly laminating trigger piece's side is located trigger piece with between the protective housing, the wire assembly is connected respectively alarm and power, the wire assembly middle part is equipped with the portion of opening circuit, wherein trigger piece includes: the device comprises a fragile shell and conductive liquid arranged in the fragile shell.

2. The ternary lithium ion battery of claim 1, wherein the protective shell is provided with a sound emission hole corresponding to the alarm.

3. The ternary lithium ion battery of claim 1, wherein the lead assembly comprises: and the positive and negative electrode wires are respectively connected with the alarm and the power supply and are transversely and uniformly distributed.

4. The ternary lithium ion battery of claim 1, further comprising: the limiting cross rod is arranged in the protective shell and is positioned between the wire assembly and the protective shell.

5. The ternary lithium ion battery of claim 4, further comprising: and the buffer rubber cushion is arranged between the limiting cross rod and the lead assembly.