CN209389149U - A kind of lithium battery with wear Protection structure - Google Patents

Abstract

The utility model discloses a kind of lithium batteries with wear Protection structure, including shell, positive terminal, anode connector and battery core, shell includes inner housing and outer housing, inner housing is set in outer housing, inner housing also passes through several thermally conductive sheet connected with outer casing bodies, and the outer surface of outer housing is provided with wear-resisting groove, and battery core is mounted in inner housing, positive terminal and anode connector link together with battery core, are provided with thermal window on the inner housing between every two adjacent thermally conductive sheets；The lithium battery of the utility model uses the shell of double-shell structure, and wear-resisting groove is arranged on the shell, and the protective capability of lithium battery not only can be improved, avoid deformed damaged, but also the wear-resisting property of lithium battery can be improved, avoid wearing；And inner housing and outer housing are linked together by thermally conductive sheet, and thermal window is set on inner housing, the heat in inner housing can be quickly exported, under the premise of guaranteeing that protective value is high, improves the heat dissipation performance of lithium battery.

Description

A kind of lithium battery with wear Protection structure

Technical field

The utility model relates to technical field of lithium batteries more particularly to a kind of lithium batteries with wear Protection structure.

Background technique

Lithium battery is one kind using lithium metal or lithium alloy as negative electrode material, using the one-shot battery of non-aqueous electrolytic solution, It with lithium ion polymer battery is different with rechargeable battery lithium ion battery.Since the chemical characteristic of lithium metal is very living It sprinkles, so that the processing of lithium metal, preservation, use, very high to environmental requirement.So lithium battery is not applied for a long time.With The development of twentieth century end microelectric technique, the equipment of miniaturization is increasing, proposes very high requirement to power supply.Lithium electricity Pond enters the large-scale practical stage therewith.

Existing lithium battery is protected to improve its heat dissipation performance frequently with the good alloying metal shell of some thermal diffusivities Shield, although thermal diffusivity is good, its protective value is poor, and wear-resisting property is low, is not easy to protection lithium battery.

Utility model content

Purpose of the utility model is to solve the problems of the prior art, and the one kind proposed has wear Protection knot The lithium battery of structure.

To achieve the goals above, the utility model adopts the technical scheme that

A kind of lithium battery with wear Protection structure, including shell, positive terminal, anode connector and battery core, it is described outer Shell includes inner housing and outer housing, and the inner housing is set in outer housing, and the inner housing also passes through several thermally conductive sheets and connects Outer housing is connect, forms cavity between the inner housing and outer housing, the outer surface of the outer housing is provided with wear-resisting groove, described Battery core is mounted in inner housing, and the positive terminal and anode connector link together with battery core, thermally conductive per adjacent two Thermal window is provided on inner housing between piece.

Preferably, it is correspondingly arranged on several groups installation sheet on the outside of the inside of the outer housing and inner housing, it is described thermally conductive Piece is by screw connection on one group of installation sheet.

Preferably, the inner housing includes inner protective layer, insulating layer and outer enhancement layer, and the insulating layer is located at inner protective layer Between outer enhancement layer, the thermal window is arranged in outer enhancement layer, and one layer of insulation is also coated on the inside of the inner protective layer Coating.

Preferably, the insulating layer is interlayer made of electro-insulating rubber, and the outer enhancement layer is hard alloy layer.

Preferably, the outer housing includes outer wear layer, enhancement layer and interior insulation protective layer, and the enhancement layer is located at outer resistance to It grinds between layer and interior insulation protective layer, the wear-resisting groove is located on outer wear layer.

Preferably, the outer wear layer is also hard alloy layer, the outer surface of the outer wear layer be also coated with one layer it is zinc-plated Layer, the interior insulation protective layer are the protective layer that inside is coated with insulating coating, and the enhancement layer is steel alloy layer.

Compared with prior art, the utility model provides a kind of lithium battery with wear Protection structure, has following The utility model has the advantages that

(1), the novel lithium battery uses the shell of double-shell structure, and wear-resisting groove is arranged on the shell, not only may be used To improve the protective capability of lithium battery, deformed damaged is avoided, but also the wear-resisting property of lithium battery can be improved, avoids wearing.

(2), the novel lithium battery is linked together inner housing and outer housing by thermally conductive sheet, and is set on inner housing Thermal window is set, the heat in inner housing is quickly exported using thermally conductive sheet, and by thermal window that the heat in inner housing is good Good exports in cavity, and is slowly exported by outer housing, under the premise of guaranteeing that protective value is high, improves dissipating for lithium battery Hot property.

(3), the novel lithium battery in outer housing by adding outer wear layer and enhancement layer, and adds in inner housing Outer enhancement layer can be further improved the fastness of lithium battery, avoid deforming, and improve its wear-resisting property, avoid damaging.

It is not directed to part in the device to be the same as those in the prior art or can be realized by using the prior art, the utility model Structure is simple, easy to operate.

Detailed description of the invention

Fig. 1 be the utility model proposes a kind of lithium battery with wear Protection structure subjective structural schematic diagram；

Fig. 2 be the utility model proposes a kind of lithium battery with wear Protection structure internal cross section figure；

Fig. 3 be the utility model proposes the enlarged structure of local A of lithium battery with wear Protection structure a kind of show It is intended to；

In figure: 1, shell；2, positive terminal；3, anode connector；4, inner housing；401, inner protective layer；402, insulating layer； 403, outer enhancement layer；5, outer housing；501, outer wear layer；502, enhancement layer；503, interior insulation protective layer；6, battery core；7, cavity； 8, thermally conductive sheet；9, thermal window；10, wear-resisting groove.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.

In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right", The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

Embodiment 1

As shown in Figure 1-3, a kind of lithium battery with wear Protection structure, including shell 1, positive terminal 2, anode connector 3 and battery core 6, shell 1 includes inner housing 4 and outer housing 5, and inner housing 4 is set in outer housing 5, and inner housing 4 also passes through several 8 connected with outer casing body 5 of thermally conductive sheet forms cavity 7 between inner housing 4 and outer housing 5, the outer surface of outer housing 5 is provided with wear-resisting recessed Slot 10, battery core 6 are mounted in inner housing 4, and positive terminal 2 and anode connector 3 link together with battery core 6, per adjacent two Thermal window 9 is provided on inner housing 4 between a thermally conductive sheet 8.

Using the shell 1 of double-shell structure, the protective value of shell 1 can be reinforced, the wear-resisting groove 10 of setting can make The surface of outer housing 5 forms convex-concave surface, and then reinforces the wearability of outer housing 5, combines itself and double hulled structure, is protecting Demonstrate,prove it is protective under the premise of, improve the wearability of lithium battery, the thermally conductive sheet 8 of setting can directly lead the heat in inner housing 4 It onto outer housing 5, is exported by outer housing 5, and thermal window 9 can also lead the heat in inner housing 4 in cavity 7, into And the heat in inner housing 4 can be made quickly to reduce, the temperature of battery core 6 is further decreased, its high temperature is avoided to damage, that is, is being guaranteed Under the premise of protective value is high, the heat dissipation performance of lithium battery is improved.

The inside of outer housing 5 and the outside of inner housing 4 are correspondingly arranged on several groups installation sheet, and thermally conductive sheet 8 is connected by screw It connects on one group of installation sheet, thermally conductive sheet 8 and inner housing 4 and outer housing 5 can be linked together, be easily installed and dismantle.

Embodiment 2

As shown in Figure 1-3, inner housing 4 include inner protective layer 401, insulating layer 402 and outer enhancement layer 403, insulating layer 402 Between inner protective layer 401 and outer enhancement layer 403, thermal window 9 is arranged in outer enhancement layer 403, the inside of inner protective layer 401 It is also coated with one layer of insulating coating, the insulation performance of inner housing 4 is improved, avoids leaking electricity.

Insulating layer 402 is interlayer made of electro-insulating rubber, and the good insulating of electro-insulating rubber can be to avoid electric leakage, outer reinforcement Layer 403 is hard alloy layer, and the hardness of hard alloy is high, and wearability is high, can be to avoid 4 deformed damaged of inner housing.

Outer housing 5 includes outer wear layer 501, enhancement layer 502 and interior insulation protective layer 503, and enhancement layer 502 is located at outer wear-resisting Between layer 501 and interior insulation protective layer 503, wear-resisting groove 10 is located on outer wear layer 501.

Outer wear layer 501 is also hard alloy layer, and the hardness of hard alloy is high, and wearability is high, is conducive to improve lithium battery Wearability, the outer surface of outer wear layer 501 is also coated with one layer of zinc coat, and antiseptic property is high, avoids lithium battery from getting rusty, interior insulation Protective layer 503 is the protective layer that inside is coated with insulating coating, can reinforce the protective value and insulation performance of outer housing 5, is reinforced Layer 502 is steel alloy layer, and the hardness of steel alloy is high, and the wearability and protectiveness for reinforcing outer housing 5 can be improved.

It should be noted that the lithium battery of the utility model uses the shell 1 of double-shell structure, and it is arranged on shell 1 Wear-resisting groove 10 adds outer wear layer 501 and enhancement layer 502 in outer housing 5, and outer enhancement layer 403 is added in inner housing 4, The protective capability that lithium battery not only can be improved avoids deformed damaged, but also the wear-resisting property of lithium battery can be improved, and avoids Abrasion；And inner housing 4 and outer housing 5 are linked together by thermally conductive sheet 8, and thermal window 9 is set on inner housing 4, it can With using the heat in thermally conductive sheet 8 quickly export inner housing 4, and led by thermal window 9 by the heat in inner housing 4 is good It out into cavity 7, and is slowly exported by outer housing 5, under the premise of guaranteeing that protective value is high, improves the thermal diffusivity of lithium battery Energy.

The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (6)

1. a kind of lithium battery with wear Protection structure, including shell (1), positive terminal (2), anode connector (3) and battery core (6), which is characterized in that the shell (1) includes inner housing (4) and outer housing (5), and the inner housing (4) is set in outer housing (5) in, the inner housing (4) also passes through several thermally conductive sheet (8) connected with outer casing bodies (5), the inner housing (4) and outer housing (5) cavity (7) are formed between, the outer surface of the outer housing (5) is provided with wear-resisting groove (10), and the battery core (6) is mounted on In inner housing (4), the positive terminal (2) and anode connector (3) link together with battery core (6), lead per adjacent two Thermal window (9) are provided on inner housing (4) between backing (8).

2. a kind of lithium battery with wear Protection structure according to claim 1, which is characterized in that the outer housing (5) several groups installation sheet is correspondingly arranged on the outside of inside and inner housing (4), the thermally conductive sheet (8) is existed by screw connection On one group of installation sheet.

3. a kind of lithium battery with wear Protection structure according to claim 1, which is characterized in that the inner housing It (4) include inner protective layer (401), insulating layer (402) and outer enhancement layer (403), the insulating layer (402) is located at inner protective layer (401) between outer enhancement layer (403), the thermal window (9) is arranged in outer enhancement layer (403), the inner protective layer (401) one layer of insulating coating is also coated on the inside of.

4. a kind of lithium battery with wear Protection structure according to claim 3, which is characterized in that the insulating layer It (402) is interlayer made of electro-insulating rubber, the outer enhancement layer (403) is hard alloy layer.

5. a kind of lithium battery with wear Protection structure according to claim 1, which is characterized in that the outer housing It (5) include outer wear layer (501), enhancement layer (502) and interior insulation protective layer (503), the enhancement layer (502) is located at outer wear-resisting Between layer (501) and interior insulation protective layer (503), the wear-resisting groove (10) is located on outer wear layer (501).

6. a kind of lithium battery with wear Protection structure according to claim 5, which is characterized in that the outer wear layer It (501) is also hard alloy layer, the outer surface of the outer wear layer (501) is also coated with one layer of zinc coat, the interior insulation protection Layer (503) is the protective layer that inside is coated with insulating coating, and the enhancement layer (502) is steel alloy layer.