CN215184391U

CN215184391U - Dormancy protection system of power lithium battery

Info

Publication number: CN215184391U
Application number: CN202121411663.4U
Authority: CN
Inventors: 袁明福; 杨文平; 靳玲彩; 张群
Original assignee: Suzhou Longyue Lithium Battery Vehicle Co ltd
Current assignee: Suzhou Longyue Lithium Battery Vehicle Co ltd
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2021-12-14
Anticipated expiration: 2031-06-24

Abstract

The utility model discloses a dormancy protection system of a power lithium battery, which relates to the technical field of lithium battery protection, and comprises a first protection cover plate and a second protection cover plate, wherein the bottoms of the first protection cover plate and the second protection cover plate are both connected with a telescopic rod, the telescopic end of the telescopic rod is fixedly provided with an adsorption seat, a multifunctional heat conduction mechanism is arranged on the first protection cover plate in a penetrating way, a current-voltage detector and a control switch are fixedly arranged in the second protection cover plate, a micro charger is fixedly arranged on the first protection cover plate, sliding cavities are respectively arranged in the first protection cover plate and the second protection cover plate, sliding blocks are movably arranged in the sliding cavities, one side of the sliding cavities is provided with an opening, the sliding blocks in the first protection cover plate and the second protection cover plate are fixedly connected through a connecting plate, the utility model can be suitable for the installation protection of lithium batteries with different sizes, the supplement of electric energy can be carried out to avoid the damage of the batteries, have good heat conduction radiating effect and crashproof buffer function, it is convenient to use, and the practicality is strong.

Description

Dormancy protection system of power lithium battery

Technical Field

The utility model relates to a protection system specifically is a dormancy protection system of power lithium cell, belongs to lithium cell protection technical field.

Background

The lithium battery is a kind of battery using lithium metal or lithium alloy as positive/negative electrode material and using non-aqueous electrolyte solution, and its interior adopts spiral winding structure, and is made up by using a very fine and strong permeability polyethylene film isolating material and spacing it between positive and negative electrodes. The positive electrode includes a current collector composed of lithium cobaltate and aluminum foil. The negative electrode is composed of a current collector composed of a graphitized carbon material and a copper foil. The battery is filled with organic electrolyte solution. A safety valve and a PTC element are also provided to protect the battery from damage in the event of an abnormal state and an output short circuit.

Along with the development of the twentieth century microelectronic technology, miniaturized equipment is increasing day by day, very high requirements are put forward to the power, the lithium battery has entered into large-scale practical stage thereupon, and in power lithium battery system in the use, often appear forgetting to close the problem that battery start switch caused the battery package feed because of the user carelessly leads to using after accomplishing, because the ordinary user is not the professional, can't carry out self-maintenance to lithium battery system, will lead to causing the machine to be unable to use after the lithium battery goes wrong, influence work efficiency, for this reason, we provide a dormancy protection system of power lithium battery after optimizing.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a dormancy protection system of power lithium cell just in order to solve above-mentioned problem, can be applicable to not unidimensional lithium cell installation protection, can carry out the replenishment of electric energy and avoid the battery to damage, have good heat conduction radiating effect and anticollision buffer function.

The utility model discloses a following technical scheme realizes above-mentioned purpose, a dormancy protection system of power lithium cell, including first protection apron and second protection apron, first protection apron with second protection apron bottom all is connected with the telescopic link, the telescopic end fixed mounting of telescopic link adsorbs the seat, wear to be equipped with multi-functional heat conduction mechanism on the first protection apron, fixed mounting has current-voltage detector and control switch in the second protection apron, fixed mounting has miniature charger on the first protection apron.

Preferably, in order to make the utility model discloses a movable structure can adapt to not unidimensional lithium cell installation and use, first protection apron with the sliding chamber has all been seted up in the second protection apron, the activity of sliding chamber is provided with the sliding block, the opening has been seted up to one side in sliding chamber, first protection apron with in the second protection apron through connecting plate fixed connection between the sliding block.

Preferably, in order to enable the first protective cover plate and the second protective cover plate to be stably adsorbed and fixed when combined, the overall structure is more stable, and the adsorption pads are adhered to the sides of the first protective cover plate and the second protective cover plate, which are provided with the openings.

Preferably, have better anti-extrusion anticollision effect in order to realize the heat derivation simultaneously, multi-functional heat conduction mechanism includes water storage bag, reinforcement seat and soft pipe, the reinforcement seat wears to establish the top of first protection apron, the water storage bag bonds in the top of first protection apron and parcel are all reinforcement seat, reinforcement seat is the I-shaped post.

Preferably, in order to make the utility model discloses circulation that inside and outside air can be better makes things convenient for too much heat to discharge, soft pipe passes simultaneously first protection apron, reinforcement seat and water storage bag, the material of soft pipe is heat conduction silica gel.

The utility model has the advantages that: the utility model discloses novel structure, it is convenient to use, the structure that the activity was expanded during in-service use can be applicable to not unidimensional lithium cell installation protection, cooperation through current-voltage detector and control switch is at the long-time unoperated time self-closing lithium cell of lithium cell, still can carry out the replenishment of electric energy through miniature charger when lithium cell electric quantity exhausts, avoid the lack of negative ion in the lithium cell to lead to damaging, multifunctional heat conduction mechanism has simultaneously, both good heat conduction radiating effect has, can also play certain anticollision buffer function, the practicality is stronger.

Drawings

Fig. 1 is a cross-sectional view of the overall structure of the present invention.

Fig. 2 is a structural sectional view after the present invention is unfolded.

Fig. 3 is a sectional view of the multifunctional heat transfer mechanism shown in fig. 1.

FIG. 4 is a schematic view showing the connection between the reinforcing seat and the soft catheter shown in FIG. 3.

In the figure: 1. first protection apron, 2, second protection apron, 3, telescopic link, 4, adsorb the seat, 5, multi-functional heat conduction mechanism, 6, current-voltage detector, 7, control switch, 8, miniature charger, 9, sliding chamber, 10, sliding block, 11, connecting plate, 12, adsorb the pad, 13, water storage bag, 14, reinforcement seat, 15, soft pipe.

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.

Please refer to fig. 1-4, a dormancy protection system of power lithium battery, including first protection apron 1 and second protection apron 2,

first protection apron

1 and 2 bottoms of second protection apron are all connected with telescopic link 3, telescopic link 3's telescopic end fixed mounting has adsorption seat 4, only need to place first protection apron 1 and second protection apron 2 at the lithium battery top that needs to use when in actual use, then adsorb through adsorption seat 4 fixed alright, wear to be equipped with multi-functional heat conduction mechanism 5 on the first protection apron 1, can derive the heat when the lithium battery uses, still have certain crashproof function 9 (specific theory of operation sees after).

The current and voltage detector 6 and the control switch 7 are fixedly arranged in the second protective cover plate 2, the micro charger 8 is fixedly arranged on the first protective cover plate 1, during actual use, each interface of the lithium battery needs to be connected with the current and voltage detector 6, the micro charger 8 and the control switch 7 before the adsorption seat 4 is fixed, the current and voltage detector 6 is used for detecting the current and voltage of the lithium battery and detecting the long-time unused state of the lithium battery, when the current and voltage detector 6 detects that the lithium battery is not used for a long time, the control switch 7 starts the dormant state to automatically power off the lithium battery, thereby playing a protection effect, and being mature in the prior art, the current and voltage detector is widely used in storage battery cars and electric cars on the market, and the micro charger 8 stores certain electric energy and can also supplement the electric energy through the micro charger when the electric quantity of the lithium battery is exhausted, avoid the lack of negative ion in the lithium cell to lead to damaging.

As a technical optimization scheme of the utility model, as shown in figure 2, a sliding cavity 9 is arranged in each of a first protective cover plate 1 and a second protective cover plate 2, a sliding block 10 is movably arranged in the sliding cavity 9, an opening is arranged on one side of the sliding cavity 9, the sliding blocks 10 in the first protective cover plate 1 and the second protective cover plate 2 are fixedly connected through a connecting plate 11, the sides with openings of the first protective cover plate 1 and the second protective cover plate 2 are both bonded with an adsorption pad 12, the first protective cover plate 1 and the second protective cover plate 2 are connected through the connecting plate 11, the structure is a telescopic structure, and the first protective cover plate 1 and the second protective cover plate 2 can be automatically pulled out according to the size of the lithium battery in actual use, so that the utility model can be suitable for installing lithium batteries with different sizes, the flexibility is higher, and the adsorption pad 12 can stably adsorb and fix the first protective cover plate 1 and the second protective cover plate 2 when combined, the whole structure is more stable.

As a technical optimization scheme, as shown in fig. 3, multi-functional heat conduction mechanism 5 includes water storage bag 13, add solid 14 and soft pipe 15, add solid 14 top of wearing to establish at first protection apron 1, water storage bag 13 bonds at the top of first protection apron 1 and wraps up all solid 14 of reinforcement, it is the I-shaped post to add solid 14, need deposit in proper amount water-cooling liquid when using in the water storage bag 13, be used for absorbing the heat, can adsorb the heat that produces when the lithium cell uses, the heat conduction effect is better, and add solid 14 and adopt heat-conducting material equally, conveniently carry out the thermal absorption in the leading-in water storage bag 13 of heat that the lithium cell produced.

As a technical optimization scheme of the utility model, as shown in fig. 4, soft pipe 15 passes first protection apron 1, reinforcement seat 14 and water storage bag 13 simultaneously, and soft pipe 15's material is heat conduction silica gel, and soft pipe 15's setting makes the utility model discloses circulation that inside and outside air can be better makes things convenient for too much heat to discharge.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a dormancy protection system of power lithium cell, includes first protection apron (1) and second protection apron (2), its characterized in that: first protection apron (1) with second protection apron (2) bottom all is connected with telescopic link (3), the telescopic end fixed mounting of telescopic link (3) adsorbs seat (4), wear to be equipped with multi-functional heat conduction mechanism (5) on first protection apron (1), fixed mounting has current and voltage detector (6) and control switch (7) in second protection apron (2), fixed mounting has miniature charger (8) on first protection apron (1).

2. The dormancy protection system for a lithium-ion battery of claim 1, further comprising: sliding cavities (9) are formed in the first protective cover plate (1) and the second protective cover plate (2), and sliding blocks (10) are movably arranged in the sliding cavities (9).

3. The dormancy protection system for a lithium battery as claimed in claim 2, wherein: an opening is formed in one side of the sliding cavity (9), and the sliding blocks (10) in the first protective cover plate (1) and the second protective cover plate (2) are fixedly connected through a connecting plate (11).

4. The dormancy protection system for a lithium battery as claimed in claim 3, wherein: and adsorption pads (12) are bonded on the side, provided with the opening, of the first protection cover plate (1) and the second protection cover plate (2).

5. The dormancy protection system for a lithium-ion battery of claim 1, further comprising: the multifunctional heat conducting mechanism (5) comprises a water storage bag (13), a reinforcing seat (14) and a soft guide pipe (15), wherein the reinforcing seat (14) penetrates through the top of the first protective cover plate (1).

6. The dormancy protection system for a lithium-ion battery of claim 5, further comprising: the water storage bag (13) is bonded to the top of the first protective cover plate (1) and wraps all the reinforcing seats (14), and the reinforcing seats (14) are I-shaped columns.

7. The dormancy protection system for a lithium battery as claimed in claim 6, further comprising: soft pipe (15) pass simultaneously first protection apron (1), reinforcement seat (14) and water storage bag (13), the material of soft pipe (15) is heat conduction silica gel.