CN209561465U - A kind of small polymer li-ion cell protection shell of easy heat radiation - Google Patents

Abstract

The utility model discloses a kind of small polymer li-ion cell protection shells of easy heat radiation; including protecting shell; two side end faces of the protection shell open up fluted one and groove two respectively; the centre of the groove one offers blow vent one; the centre of the groove two offers venthole two; the inside of the protection shell is fixedly connected with partition; the centre of the partition offers venthole three; the lower end of the protection inner walls is fixedly connected with fixed fixture block one, and the internal activity of the protection shell is connected with poly-lithium battery.The small polymer li-ion cell protection shell of the easy heat radiation; in the side of protection shell, multiple blow vents are set; allow air to enter the inside of protection shell; accelerate the heat dissipation of interior polymer lithium battery; and enclosure interior is protected to be equipped with fixed fixture block, four ends angle of fixed polymer lithium battery, so that lithium battery is not directly contacted with the inner wall of protection shell; increase the contact area of poly-lithium battery and air, improves heat dissipation.

Description

A kind of small polymer li-ion cell protection shell of easy heat radiation

Technical field

The utility model relates to poly-lithium battery technical field, the small polymer lithium battery of specially a kind of easy heat radiation Protective shell.

Background technique

Poly-lithium battery is to use solid polymer as electrolyte, and the electrolyte different from liquid lithium battery is liquid, The polymer dielectric of poly-lithium battery can be " dry state " or " colloidal state ", and current electrolyte is largely that polymer is solidifying Gluey state.

Poly-lithium battery during transport or storage it is noted that heat dissipation because what poly-lithium battery was dealt with improperly Words, it is easy to can set off an explosion event, so the processing such as to be radiated to poly-lithium battery, is moisture-proof, but it is existing poly- It closes object lithium battery and does not all notice radiating treatment to be carried out, cause lithium battery temperature excessively high, so as to cause explosion.

Utility model content

It is above-mentioned to solve the purpose of this utility model is to provide a kind of small polymer li-ion cell protection shell of easy heat radiation It proposes that existing poly-lithium battery does not all notice radiating treatment to be carried out in background technique, leads to lithium battery temperature mistake Height, so as to cause explosion the problem of.

To achieve the above object, the utility model provides the following technical solutions: a kind of small polymer lithium electricity of easy heat radiation Two side end faces of pond protective shell, including protection shell, the protection shell open up fluted one and groove two respectively, described recessed The centre of slot one offers blow vent one, and the centre of the groove two offers venthole two, and the inside of the protection shell is solid Surely it is connected with partition, the centre of the partition offers venthole three, and the lower end of the protection inner walls is fixedly connected with Determine fixture block one, the internal activity of the protection shell is connected with poly-lithium battery, and the upper end of the protection shell is fixedly connected There is protective cover, connector and fixed fixture block two are fixedly connected on the inner wall of the protective cover.

Preferably, the protection shell is rectangular box structure, and protects the length and width of shell and the length and width of protective cover It is identical.

Preferably, the groove one is identical with the thickness of groove two, and blow vent one is identical and recessed with the thickness of venthole two The thickness of slot one and groove two is less than the thickness of blow vent one and venthole two.

Preferably, the venthole three is vertically disposed with two groups on the surface of partition.

Preferably, the fixed fixture block one is corresponding with the fixed position of fixture block two, and the height of fixed fixture block one is less than Distance of the lower end surface of venthole two to protection inner walls lower end.

Preferably, the width of the poly-lithium battery is equal to the distance between fixed one inner wall of fixture block, polymer lithium electricity The length in pond is equal to the distance between opposite two fixed fixture blocks one, and the height of poly-lithium battery is greater than protection inner walls Height.

Compared with prior art, the utility model has the beneficial effects that the small polymer li-ion cell protection of the easy heat radiation Shell is arranged multiple blow vents in the side of protection shell, allows air to the inside for entering protection shell, accelerates internal poly- The heat dissipation of object lithium battery is closed, and enclosure interior is protected to be equipped with fixed fixture block, four ends of poly-lithium battery can be fixed Angle increases the contact area of poly-lithium battery and air so that poly-lithium battery is not directly contacted with the inner wall of protection shell, Heat dissipation is improved, while also being provided with blow vent on the intracorporal partition of protective shell, it can be with the air circulation speed of acceleration protection enclosure interior Degree, the venthole of whole device can make air passage rates accelerate, increase the radiating efficiency of poly-lithium battery.

Detailed description of the invention

Fig. 1 is the utility model overall structure diagram；

Fig. 2 is the utility model overlooking structure diagram；

Fig. 3 is the utility model side structure schematic view.

In figure: 1, protecting shell；2, groove one；3, blow vent one；4, groove two；5, venthole two；6, partition；7, it ventilates Hole three；8, fixed fixture block one；9, poly-lithium battery；10, protective cover；11, connector；12, fixed fixture block two.

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.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of small polymer lithium battery guarantor of easy heat radiation Protective case, including protection shell 1, two side end faces of protection shell 1 open up fluted 1 and groove 24 respectively, groove 1 Centre offers blow vent 1, and the centre of groove 24 offers venthole 25, the inside of protection shell 1 be fixedly connected with every Plate 6, the centre of partition 6 offer venthole 37, and the lower end of protection 1 inner wall of shell is fixedly connected with fixed fixture block 1, protects The internal activity of shell 1 is connected with poly-lithium battery 9, and the upper end of protection shell 1 is fixedly connected with protective cover 10, protection cap Connector 11 and fixed fixture block 2 12 are fixedly connected on the inner wall of body 10.

Further, protection shell 1 is rectangular box structure, and protects the length and width of shell 1 and the length of protective cover 10 Width is identical, is conducive to that shell 1 and protective cover 10 is protected to be adapted.

Further, groove 1 is identical with the thickness of groove 24, and blow vent 1 is identical with the thickness of venthole 25, and The thickness of groove 1 and groove 24 is less than the thickness of blow vent 1 and venthole 25, is conducive to allow blow vent 1 and ventilation It is protected by groove 1 and groove 24 in hole 25.

Further, venthole 37 is vertically disposed with two groups on the surface of partition 6, is conducive to increase inside protection shell 1 Air passage rates.

Further, fixed fixture block 1 is corresponding with the fixed position of fixture block 2 12, and the height of fixed fixture block 1 is small In the lower end surface of venthole 25 to the distance of protection 1 inner wall lower end of shell, be conducive to that fixed fixture block 1 is avoided to influence venthole 25 function.

Further, the width of poly-lithium battery 9 is equal to the distance between fixed one 8 inner wall of fixture block, polymer lithium electricity The length in pond 9 is equal to the distance between opposite two fixed fixture blocks 1, and the height of poly-lithium battery 9 is greater than protection shell 1 The height of inner wall is conducive to that fixed fixture block 1 is allowed to engage poly-lithium battery 9, and poly-lithium battery 9 is allowed to be put into protection When in shell 1, a part can be exposed, operator is facilitated to take.

Working principle: poly-lithium battery 9 is placed in protection shell 1 first, so that poly-lithium battery 9 is stuck in fixation Protective cover 10 is passed through the engaging of fixed fixture block 2 12 and poly-lithium battery 9, by protection cap by the centre of fixture block 1 later Body 10 covers on protection shell 1, because the outer wall of protection shell 1 is equipped with multiple ventholes, air can be allowed to enter protective shell The inside of body 1 guarantees that protection 1 interpolymer lithium battery 9 of shell can carry out good heat dissipation, while poly-lithium battery 9 is logical The engaging of fixed fixture block 1 is crossed, so that being not directly contacted between poly-lithium battery 9 and protection 1 inner wall of shell, increases polymer Contact area between lithium battery 9 and air improves radiating efficiency.

Finally it should be noted that the above content is only to illustrate the technical solution of the utility model, rather than it is practical to this The limitation of novel protected range, those skilled in the art to the technical solution of the utility model carry out it is simple modification or Person's equivalent replacement, all without departing from the spirit and scope of technical solutions of the utility model.

Claims (6)

1. a kind of small polymer li-ion cell protection shell of easy heat radiation, including protection shell (1), it is characterised in that: the protection Two side end faces of shell (1) open up fluted one (2) and groove two (4) respectively, and the centre of the groove one (2) offers logical Port one (3), the centre of the groove two (4) offer venthole two (5), and the inside of protection shell (1) is fixedly connected Have partition (6), the centre of the partition (6) offers venthole three (7), and the lower end of described protection shell (1) inner wall is fixed to be connected It is connected to fixed fixture block one (8), the internal activity of protection shell (1) is connected with poly-lithium battery (9), the protection shell (1) upper end is fixedly connected with protective cover (10), is fixedly connected with connector (11) on the inner wall of the protective cover (10) With fixed fixture block two (12).

2. a kind of small polymer li-ion cell protection shell of easy heat radiation according to claim 1, it is characterised in that: the guarantor Protective case body (1) is rectangular box structure, and protects the length and width of shell (1) identical with the length and width of protective cover (10).

3. a kind of small polymer li-ion cell protection shell of easy heat radiation according to claim 1, it is characterised in that: described recessed Slot one (2) is identical with the thickness of groove two (4), and blow vent one (3) is identical with the thickness of venthole two (5), and groove one (2) and The thickness of groove two (4) is less than the thickness of blow vent one (3) and venthole two (5).

4. a kind of small polymer li-ion cell protection shell of easy heat radiation according to claim 1, it is characterised in that: described logical Stomata three (7) is vertically disposed with two groups on the surface of partition (6).

5. a kind of small polymer li-ion cell protection shell of easy heat radiation according to claim 1, it is characterised in that: described solid It is corresponding with the fixed position of fixture block two (12) to determine fixture block one (8), and the height of fixed fixture block one (8) is less than venthole two (5) Lower end surface to protection shell (1) inner wall lower end distance.

6. a kind of small polymer li-ion cell protection shell of easy heat radiation according to claim 1, it is characterised in that: described poly- The width for closing object lithium battery (9) is equal to the distance between fixed fixture block one (8) inner wall, and the length of poly-lithium battery (9) is equal to The distance between opposite two fixed fixture blocks one (8), and the height of poly-lithium battery (9) is greater than protection shell (1) inner wall Highly.