CN207353359U - A kind of lithium battery with explosion-proof effect - Google Patents
A kind of lithium battery with explosion-proof effect Download PDFInfo
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- CN207353359U CN207353359U CN201721346168.3U CN201721346168U CN207353359U CN 207353359 U CN207353359 U CN 207353359U CN 201721346168 U CN201721346168 U CN 201721346168U CN 207353359 U CN207353359 U CN 207353359U
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- explosion
- lithium battery
- air bag
- protective film
- protection equipment
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Abstract
The utility model discloses a kind of lithium battery with explosion-proof effect, including housing, top plate, carbon bag, lithium piece and protective film, the top plate is located at housing upper end, the carbon bag is located at enclosure interior, the protective film is located on the outside of carbon bag, the lithium piece is located at protective film both sides, the top plate upper end is fixedly connected with explosion-protection equipment, the explosion-protection equipment includes connecting tube and air bag, the air bag is located at connecting tube upper end, and it is fixedly connected, the inside air bag is equipped with connecting plate, the air bag lower end is equipped with hangnail, and connecting plate is detachably connected with hangnail, rupture pressure disc is equipped with below the hangnail.The utility model passes through equipped with explosion-protection equipment, when the electrolyte of lithium battery interior produces a large amount of gases because of high temperature, gas is flowed in air bag by connecting tube, so that air bag becomes larger, connecting plate movement is promoted to promote hangnail to move down, rupture pressure disc is poked, makes expanding gas rapid drainage, so that effectively explosion-proof to lithium battery.
Description
Technical field
Technical field of lithium batteries is the utility model is related to, more particularly to a kind of lithium battery with explosion-proof effect.
Background technology
It by lithium metal or lithium alloy is negative material that lithium battery, which is, the battery using non-aqueous electrolytic solution.Battery uses
Reaction equation be：The Li+MnO2=LiMnO2 reactions are discharged for redox reaction.Former, because the change of lithium metal
It is very active to learn property, it is very high to environmental requirement to processing, preserving, using, so lithium battery is not applied for a long time,
Have become mainstream now with the development lithium battery of modern science.Compared to traditional lead-acid accumulator, lithium battery has
Obvious advantage, its energy ratio higher, service life are longer, rated voltage higher, self-discharge rate are lower, while quality is more
Gently, more energy efficient environmental protection, plurality of advantages cause lithium battery to be widely used in each corner of life, and lithium battery is used for more at present
The fields such as mobile phone, digital camera, electric car, the appearance of lithium battery is so that the product in these fields is able to fast development, but lithium
The defects of the shortcomings that battery itself also limit the development of product, and lithium battery is common is as follows：Lithium battery security is poor, easily hair
Raw explosion, needs special protection circuit when in use, to prevent battery to be overcharged or overdischarge, while the production of lithium battery
Condition is harsh, and cost is higher.The problem of we are most commonly encountered in routine use is exactly lithium battery heating problem, and lithium battery makes
Used time caloric value is excessive, be easy to cause scald, or even triggers explosion, and existing lithium battery does not have explosion-proof characteristic, using
During, explosion accident on fire is easily lead to once overcharging, causes unnecessary loss, threatens the lives and properties of user to pacify
Entirely.A kind of for this reason, it is proposed that lithium battery with explosion-proof effect.
Utility model content
The main purpose of the utility model is that a kind of lithium battery with explosion-proof effect is provided, by equipped with explosion-proof dress
Put, when the electrolyte of lithium battery interior produces a large amount of gases because of high temperature, gas is flowed in air bag by connecting tube, so that
Air bag becomes larger, and promotes connecting plate movement to promote hangnail to move down, pokes rupture pressure disc, make expanding gas rapid drainage, from
It is and effectively explosion-proof to lithium battery.By can effectively be buffered under explosion time lithium battery equipped with explosion-proof diaphragm and burst disk, explosion-proof diaphragm
The impact force that portion produces, makes lithium battery have good explosion-proof performance, and burst disk has very high corrosion resistance and well tough
Property, plasticity, can effectively offset most of impact force that lithium battery explosion produces, improve the security of lithium battery.By setting
There are heat dissipation wind channel and heat emission hole, heat dissipation wind channel and heat emission hole are easy to radiate to high temperature caused by lithium battery work, effectively
Avoid lithium battery from causing to explode because caloric value is excessive, extend the service life of lithium battery, can effectively solve background technology
The problem of middle.
To achieve the above object, the technical solution that the utility model is taken is：
A kind of lithium battery with explosion-proof effect, including housing, top plate, carbon bag, lithium piece and protective film, the top plate are located at
Housing upper end, the carbon bag are located at enclosure interior, and the protective film is located on the outside of carbon bag, and the lithium piece is located at protective film both sides,
The top plate upper end is fixedly connected with explosion-protection equipment, and the explosion-protection equipment includes connecting tube and air bag, and the air bag is positioned at connection
Pipe upper end, and be fixedly connected, the inside air bag is equipped with connecting plate, and the air bag lower end is equipped with hangnail, and connecting plate and hangnail
It is detachably connected, rupture pressure disc is equipped with below the hangnail.
Further, the lithium piece both sides are equipped with heat dissipation wind channel, and the heat dissipation wind channel side is equipped with heat emission hole.
Further, the explosion-protection equipment side is equipped with anode ear, and the explosion-protection equipment opposite side is equipped with negative electrode lug, described
Anode ear is equipped with sealing ring with negative electrode lug lower end.
Further, the protective film lower end is equipped with insulating protective layer, and the insulating protective layer lower end is equipped with explosion-proof diaphragm,
The rupture pressure disc piece lower end is equipped with burst disk.
Further, isolating pad is equipped between the housing and top plate.
Compared with prior art, the utility model has the advantages that：
1st, by the way that equipped with explosion-protection equipment, when the electrolyte of lithium battery interior produces a large amount of gases because of high temperature, gas passes through
Connecting tube is flowed in air bag, so that air bag becomes larger, promotes connecting plate movement to be poked explosion-proof so as to promote hangnail to move down
Film, makes expanding gas rapid drainage, so that effectively explosion-proof to lithium battery.
2nd, by the way that equipped with explosion-proof diaphragm and burst disk, explosion-proof diaphragm can effectively buffer rushing for explosion time lithium battery lower part generation
Power is hit, makes lithium battery that there is good explosion-proof performance, and burst disk has very high corrosion resistance and good toughness, plasticity, energy
Enough most of impact forces effectively offset lithium battery explosion and produced, improve the security of lithium battery.
3rd, by being easy to equipped with heat dissipation wind channel and heat emission hole, heat dissipation wind channel and heat emission hole to high caused by lithium battery work
Temperature radiates, and effectively avoids lithium battery from causing to explode because caloric value is excessive, extends the service life of lithium battery.
Brief description of the drawings
Fig. 1 is a kind of internal structure schematic diagram of the lithium battery with explosion-proof effect of the utility model.
Fig. 2 is a kind of explosion-protection equipment structure diagram of the lithium battery with explosion-proof effect of the utility model.
Fig. 3 is a kind of overall structure diagram of the lithium battery with explosion-proof effect of the utility model.
In figure：1st, housing；2nd, heat dissipation wind channel；3rd, heat emission hole；4th, burst disk；5th, explosion-proof diaphragm；6th, insulating protective layer；7th, just
Lug；8th, explosion-protection equipment；9th, negative electrode lug；10th, sealing ring；11st, top plate；12nd, isolating pad；13rd, carbon bag；14th, lithium piece；15th, air bag；
16th, connecting plate；17th, hangnail；18th, connecting tube；19th, protective film；20th, rupture pressure disc.
Embodiment
To make the technical means, creative features, achievable purpose and effectiveness that the utility model is realized easy to understand, below
With reference to embodiment, the utility model is expanded on further.
As shown in Figs. 1-3, a kind of lithium battery with explosion-proof effect, including housing 1, top plate 11, carbon bag 13,14 and of lithium piece
Protective film 19, the top plate 11 are located at 1 upper end of housing, and the carbon bag 13 is located inside housing 1, and the protective film 19 is located at carbon bag
13 outsides, the lithium piece 14 are located at 19 both sides of protective film, and 11 upper end of top plate is fixedly connected with explosion-protection equipment 8, described explosion-proof
Device 8 includes connecting tube 18 and air bag 15, and the air bag 15 is located at 18 upper end of connecting tube, and is fixedly connected, in the air bag 15
Portion is equipped with connecting plate 16, and 15 lower end of air bag is equipped with hangnail 17, and connecting plate 16 is detachably connected with hangnail 17, the hangnail
17 lower sections are equipped with rupture pressure disc 20.
Wherein, 14 both sides of lithium piece are equipped with heat dissipation wind channel 2, and 2 side of heat dissipation wind channel is equipped with heat emission hole 3, heat dissipation
Air passage and heat emission hole are easy to radiate to high temperature caused by lithium battery work, effectively avoid lithium battery because caloric value is excessive and
Cause to explode, extend the service life of lithium battery.
Wherein, 8 side of explosion-protection equipment is equipped with anode ear 7, and 8 opposite side of explosion-protection equipment is equipped with negative electrode lug 9, described
Anode ear 7 is equipped with sealing ring 10, anode ear and negative electrode lug easy to the use to lithium battery with 9 lower end of negative electrode lug.
Wherein, 19 lower end of protective film is equipped with insulating protective layer 6, and 6 lower end of insulating protective layer is equipped with explosion-proof diaphragm
5, explosion-proof 5 lower end of diaphragm is equipped with burst disk 4, and explosion-proof diaphragm can effectively buffer the impact of explosion time lithium battery lower part generation
Power, makes lithium battery have good explosion-proof performance, and burst disk has very high corrosion resistance and good toughness, plasticity, can
Most of impact force that lithium battery explosion produces effectively is offset, improves the security of lithium battery.
Wherein, isolating pad 12 is equipped between the housing 1 and top plate 11, isolating pad effectively isolates carbon bag with housing.
It should be noted that the utility model is a kind of lithium battery with explosion-proof effect, when in use, by varying lithium
The structure of battery causes lithium battery to have good explosion-proof effect, by being equipped with explosion-protection equipment 8 in 11 upper end of top plate, works as lithium battery
When internal electrolyte is because of high temperature generation a large amount of gases, gas is flowed in air bag 15 by connecting tube 18, so that air bag 15
Become larger, promote the movement of connecting plate 16 to promote hangnail 17 to move down, poke rupture pressure disc 20, make expanding gas rapid drainage,
So as to effectively explosion-proof to lithium battery.By the way that equipped with explosion-proof diaphragm 5 and burst disk 4, explosion-proof diaphragm 5 can effectively buffer explosion time lithium electricity
The impact force that pond lower part produces, makes lithium battery have good explosion-proof performance, and burst disk 4 is with very high corrosion resistance and well
Toughness, plasticity, can effectively offset most of impact force that lithium battery explosion produces, improve the security of lithium battery.It is logical
Cross and be equipped with heat dissipation wind channel 2 and heat emission hole 3, heat dissipation wind channel 2 and heat emission hole 3 are easy to dissipate high temperature caused by lithium battery work
Heat, effectively avoids lithium battery from causing to explode because caloric value is excessive, extends the service life of lithium battery.
The advantages of basic principle and main feature and the utility model of the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Simply illustrate the utility model principle, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
Various changes and modifications are had, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed scope is defined by the appending claims and its equivalent thereof.
Claims (5)
1. a kind of lithium battery with explosion-proof effect, including housing (1), top plate (11), carbon bag (13), lithium piece (14) and protective film
(19), the top plate (11) is located at housing (1) upper end, and the carbon bag (13) is located at housing (1) inside, protective film (19) position
On the outside of carbon bag (13), the lithium piece (14) is located at protective film (19) both sides, it is characterised in that：Top plate (11) upper end is fixed
Explosion-protection equipment (8) is connected with, the explosion-protection equipment (8) includes connecting tube (18) and air bag (15), and the air bag (15) is positioned at company
(18) upper end is taken over, and is fixedly connected, the air bag (15) is internally provided with connecting plate (16), and air bag (15) lower end is equipped with
Pierce (17), and connecting plate (16) is detachably connected with hangnail (17), and rupture pressure disc (20) is equipped with below the hangnail (17).
A kind of 2. lithium battery with explosion-proof effect according to claim 1, it is characterised in that：Lithium piece (14) both sides
Heat dissipation wind channel (2) is equipped with, heat dissipation wind channel (2) side is equipped with heat emission hole (3).
A kind of 3. lithium battery with explosion-proof effect according to claim 1, it is characterised in that：The explosion-protection equipment (8)
Side is equipped with anode ear (7), and explosion-protection equipment (8) opposite side is equipped with negative electrode lug (9), the anode ear (7) and negative electrode lug (9)
Lower end is equipped with sealing ring (10).
A kind of 4. lithium battery with explosion-proof effect according to claim 1, it is characterised in that：Under the protective film (19)
End is equipped with insulating protective layer (6), and insulating protective layer (6) lower end is equipped with explosion-proof diaphragm (5), explosion-proof diaphragm (5) lower end
Equipped with burst disk (4).
A kind of 5. lithium battery with explosion-proof effect according to claim 1, it is characterised in that：The housing (1) and top
Isolating pad (12) is equipped between plate (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721346168.3U CN207353359U (en) | 2017-10-16 | 2017-10-16 | A kind of lithium battery with explosion-proof effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721346168.3U CN207353359U (en) | 2017-10-16 | 2017-10-16 | A kind of lithium battery with explosion-proof effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207353359U true CN207353359U (en) | 2018-05-11 |
Family
ID=62355001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721346168.3U Expired - Fee Related CN207353359U (en) | 2017-10-16 | 2017-10-16 | A kind of lithium battery with explosion-proof effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207353359U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109378426A (en) * | 2018-11-22 | 2019-02-22 | 大连范特西西科技有限公司 | A kind of High-performance green cell safety explosion-protection equipment and method |
| CN110853929A (en) * | 2019-11-15 | 2020-02-28 | 安徽航睿电子科技有限公司 | Lithium ion capacitor |
-
2017
- 2017-10-16 CN CN201721346168.3U patent/CN207353359U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109378426A (en) * | 2018-11-22 | 2019-02-22 | 大连范特西西科技有限公司 | A kind of High-performance green cell safety explosion-protection equipment and method |
| CN110853929A (en) * | 2019-11-15 | 2020-02-28 | 安徽航睿电子科技有限公司 | Lithium ion capacitor |
| CN110853929B (en) * | 2019-11-15 | 2021-12-14 | 安徽航睿电子科技有限公司 | Lithium ion capacitor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180511 Termination date: 20211016 |