CN208835151U - A kind of protective device that can prevent lithium ion battery from crossing thermal expansion - Google Patents
A kind of protective device that can prevent lithium ion battery from crossing thermal expansion Download PDFInfo
- Publication number
- CN208835151U CN208835151U CN201821839147.XU CN201821839147U CN208835151U CN 208835151 U CN208835151 U CN 208835151U CN 201821839147 U CN201821839147 U CN 201821839147U CN 208835151 U CN208835151 U CN 208835151U
- Authority
- CN
- China
- Prior art keywords
- shell
- lithium battery
- thermal expansion
- heat
- protective device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 23
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 230000001681 protective effect Effects 0.000 title claims abstract description 18
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 54
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 50
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000000498 cooling water Substances 0.000 claims abstract description 20
- 230000004224 protection Effects 0.000 claims abstract description 13
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000010261 cell growth Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Secondary Cells (AREA)
Abstract
The utility model relates to li-ion cell protection technical fields; and disclose a kind of protective device that can prevent lithium ion battery from crossing thermal expansion; including shell; link block is fixedly installed at left and right sides of the case top; the link block front and back is movably installed with carrying handle, and the case top is fixedly installed with through shell and extends to the charging connector of enclosure interior.By being provided with heat-sink shell, make lithium battery ontology charging or with electrical power consumed it is larger then, the heat that lithium battery ontology generates is absorbed by heat-sink shell, lithium battery ontology is prevented to overheat and expand, further through being provided with cooling water pipe, the heat for absorbing heat-sink shell and the water being cooled in water pipe from the heat that lithium battery body bottom portion transmits absorb, increase absorbable heat degree, it further prevents lithium battery ontology and is expanded because of overheat, it further through radiator-grid is provided with, dissipate the temperature of water in cooling water pipe can by radiator-grid.
Description
Technical field
The utility model relates to li-ion cell protection technical field, specially one kind can prevent lithium ion battery from crossing thermal expansion
Protective device.
Background technique
" lithium battery " is a kind of battery by lithium metal or lithium alloy for negative electrode material and use non-aqueous electrolytic solution,
Lithium metal battery is proposed and is studied by GilbertN.Lewis earliest within 1912, when the 1970s, M.S.Whittingham
It is proposed and the lithium ion battery that begins one's study, since the chemical characteristic of lithium metal is very active so that the processing of lithium metal, save and
It uses, very high to environmental requirement, with the development of science and technology, present lithium battery has become mainstream.
More and more products such as PDA, digital camera, mobile phone, portable audio device and bluetooth equipment use in recent years
Lithium battery is as main power source, and lithium battery is with small in size, energy density is high, memory-less effect, cycle life are high, high voltage electricity
The advantages such as pond and self-discharge rate are low.
Most lithium battery when in use, when encounter electrical equipment power consumption it is very big when, the equivalent load resistance of battery is small, work
As when be heavy-current discharge, battery is after bleeding off a part of electricity, and internal resistance increases, but the electric current of need of work cannot but subtract
It is small, then sizable part energy just consumes in the internal resistance of battery, lead to battery-heating, and excessive charging,
Will cause battery overheat, battery overheats for a long time will lead to cell expansion, the danger of spontaneous combustion and explosion is seriously also resulted in, therefore
It is proposed a kind of protective device that can prevent lithium ion battery from crossing thermal expansion.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of guarantor that can prevent lithium ion battery from crossing thermal expansion
Protection unit has the advantages of preventing thermal expansion, solves the problems, such as that battery crosses thermal expansion.
(2) technical solution
To realize the above-mentioned purpose for preventing thermal expansion, the utility model provides the following technical solutions: one kind can be prevented
Lithium ion battery crosses the protective device of thermal expansion, including shell, is fixedly installed with link block at left and right sides of the case top,
The link block front and back is movably installed with carrying handle, and the case top is fixedly installed with through shell and extends to
The charging connector of enclosure interior, the case top are fixedly connected with the protecting bin at the top of charging connector, the protecting bin
Top movable is equipped with cover board, and the cover board top right side is fixedly connected with metal block, and inner wall is fixedly connected on the right side of protecting bin
Horizontal baffle positioned at cover board bottom, is fixedly connected to radiator-grid at left and right sides of the shell, between described two radiator-grids
It is movably installed with movable plate, cooling water pipe is fixedly connected at the top of the movable plate, the cooling water pipe inner bottom wall is flexibly connected
There is water proof rubber layer, the water proof rubber layer inner wall is fixedly connected with lithium battery ontology, and the lithium battery bodies top left side is solid
Dingan County is equipped with anode, is fixedly installed with battery cathode, the lithium battery bodies top on the right side of the lithium battery bodies top
The protection board that overcharges being fixedly installed between anode and battery cathode, cooling water pipe left and right sides inner wall are solid
Surely the heat-sink shell being connected at left and right sides of lithium battery ontology, the movable plate bottom are fixedly connected with limit telescopic bar, institute
It states limit telescopic bar external activity and spring is installed.
Preferably, described two carrying handles are mutually symmetrical with, the metal block be L-shaped and with the perpendicular shape of cover board.
Preferably, the cover board is parallel at the top of protecting bin, and the protecting bin is the rectangle of a uncovered and protecting bin
The equal length of length and cover board.
Preferably, the cover board is parallel with horizontal baffle and horizontal baffle and protecting bin at the top of at a distance from and cover board height
It is equal.
Preferably, the cooling water pipe is a U-shaped, and described two radiator-grid arcs are symmetrical.
Preferably, the shell is the rectangle of left side two sides uncovered, and the lithium battery ontology is a rectangle.
Preferably, the water proof rubber layer is a gasket rectangle, the limit telescopic bar and the perpendicular shape of movable plate.
(3) beneficial effect
Compared with prior art, the utility model provides a kind of protection dress that can prevent lithium ion battery from crossing thermal expansion
Set, have it is following the utility model has the advantages that
1, the protective device that can prevent lithium ion battery from crossing thermal expansion makes lithium battery sheet by being provided with heat-sink shell
Body charging or with electrical power consumed it is larger then, lithium battery ontology generation heat absorbed by heat-sink shell, it is therefore prevented that lithium battery sheet
Body overheat and expand, further through cooling water pipe is provided with, make heat-sink shell absorb heat and from lithium battery body bottom portion transmitting
The water that heat is cooled in water pipe absorbs, and increases absorbable heat degree, further prevents lithium battery ontology because of mistake
Heat and expand, further through radiator-grid is provided with, dissipate the temperature of water in cooling water pipe can by radiator-grid, it is therefore prevented that entirely
The slow temperature of device cooling reaches critical value and is unable to reach heat absorption, and lithium battery ontology has been further prevented to overheat and expand.
2, this can prevent lithium ion battery from crossing the protective device of thermal expansion, overcharge protection board by being provided with, prevent lithium
Battery body overcharges after charging is full of causes lithium battery ontology to cross thermal expansion, further through being provided with limit telescopic bar and bullet
Spring, when filling device when by external world's collision, limit telescopic bar is shunk, and spring is compressed, thus laid down it is most of because
The extraneous pressure collided and be subject to, makes whole device play good damping effect, further through carrying handle is provided with, makes whole
A device can be moved easily, by being provided with protecting bin, cover board and horizontal baffle, make whole device in the state not used
Under, cover board contacts to form sealing with horizontal baffle, it is therefore prevented that charging connector meets water or by damage, increases whole device
Practicability.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
In figure: 1 shell, 2 link blocks, 3 carrying handles, 4 charging connectors, 5 cover boards, 6 metal blocks, 7 horizontal baffles, 8 protections
Storehouse, 9 overcharge protection board, 10 battery cathode, 11 radiator-grids, 12 movable plates, 13 limit telescopic bars, 14 springs, 15 lithium battery ontologies,
16 water proof rubber layers, 17 heat-sink shells, 18 cooling water pipes, 19 anodes.
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.
Referring to Fig. 1, a kind of protective device that can prevent lithium ion battery from crossing thermal expansion, including shell 1, shell 1 push up
Link block 2 is fixedly installed at left and right sides of portion, shell 1 is the rectangle of left side two sides uncovered, 2 front and back of link block
It is movably installed with carrying handle 3, two carrying handles 3 are mutually symmetrical with, are fixedly installed at the top of shell 1 through shell 1 and are extended
Charging connector 4 inside to shell 1 is fixedly connected with the protecting bin 8 positioned at 4 top of charging connector, protecting bin 8 at the top of shell 1
Top movable is equipped with cover board 5, and cover board 5 is parallel with 8 top of protecting bin, and protecting bin 8 is the rectangle of a uncovered and protecting bin 8
The equal length of length and cover board 5,5 top right side of cover board are fixedly connected with metal block 6, and 8 right side inner wall of protecting bin is fixedly connected
Have a horizontal baffle 7 positioned at 5 bottom of cover board, cover board 5 is parallel with horizontal baffle 7 and horizontal baffle 7 at the top of protecting bin 8 at a distance from
It is equal with the height of cover board 5, metal block 6 be L-shaped and with the perpendicular shape of cover board 5, be fixedly connected at left and right sides of shell 1 scattered
Heat supply network 11, two 11 arcs of radiator-grid are symmetrical, and movable plate 12 is movably installed between two radiator-grids 11, is consolidated at the top of movable plate 12
Surely it is connected with cooling water pipe 18, cooling water pipe 18 is a U-shaped, and 18 inner bottom wall of cooling water pipe is connected with water proof rubber layer
16, water proof rubber layer 16 is a gasket rectangle, and 16 inner wall of water proof rubber layer is fixedly connected with lithium battery ontology 15, lithium battery
Ontology 15 is a rectangle, and 15 top left side of lithium battery ontology is fixedly installed with anode 19,15 top right of lithium battery ontology
Side is fixedly installed with battery cathode 10, be fixedly installed at the top of lithium battery ontology 15 positioned at anode 19 and battery cathode 10 it
Between overcharge protection board 9,18 left and right sides inner wall of cooling water pipe is fixedly connected to positioned at 15 left and right sides of lithium battery ontology
Heat-sink shell 17,12 bottom of movable plate are fixedly connected with limit telescopic bar 13, limit telescopic bar 13 and the perpendicular shape of movable plate 12, limit
Position 13 external activity of telescopic rod is equipped with spring 14.
It can be seen from the above, the working principle for the protective device that the one kind can prevent lithium ion battery from crossing thermal expansion is: when
It after lithium battery ontology 15 is full of, overcharges protection board 9 and can stop lithium battery ontology 15 and continue to charge, when lithium battery ontology 15 is used
When electrical power consumed is larger, lithium battery ontology 15 can generate heat, and the heat-sink shell 17 of 16 left and right sides of water proof rubber layer can absorb lithium electricity
The heat that pond ontology 15 generates, then absorbed by cooling water pipe 18, it is distributed finally by the radiator-grid 11 of 1 left and right sides of shell.
The invention main points of the utility model are: this can prevent lithium ion battery from crossing the protective device of thermal expansion, by setting
It is equipped with heat-sink shell 17, makes lithium battery ontology 15 in charging or larger then, the heat that lithium battery ontology 15 generates with electrical power consumed
It is absorbed by heat-sink shell 17, it is therefore prevented that lithium battery ontology 15 is overheated and expanded, and further through cooling water pipe 18 is provided with, makes heat-sink shell 17
The heat of absorption and the water being cooled in water pipe 18 from the heat that 15 bottom of lithium battery ontology is transmitted absorb, and increase absorbable
Heat degree further prevents lithium battery ontology 15 and expands because of overheat, further through radiator-grid 11 is provided with, makes cooling water
The temperature of water can be dissipated by radiator-grid 11 in pipe 18, it is therefore prevented that the slow temperature of whole device cooling reaches critical value and can not reach
To heat absorption, further prevents lithium battery ontology 15 to overheat and expand, overcharged protection board 9 by being provided with, prevent lithium battery sheet
Body 15 overcharges after charging is full of and causes lithium battery ontology 15 to be crossed to thermally expand, further through being provided with limit telescopic bar 13 and bullet
Spring 14, when filling a device when by external world's collision, limit telescopic bar 13 is shunk, and spring 14 is compressed, to lay down big portion
Point pressure being subject to because of extraneous collision, makes whole device play good damping effect, further through being provided with portable handle
Hand 3 move whole device can easily, by being provided with protecting bin 8, cover board 5 and horizontal baffle 7, whole device be made to exist
In the state of not using, cover board 5 contacts formation sealing with horizontal baffle 7, it is therefore prevented that charging connector 4 is met water or damaged by external force
It is bad, increase the practicability of whole device.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. one kind can prevent lithium ion battery from crossing the protective device of thermal expansion, including shell (1), it is characterised in that: the shell
The left and right sides is fixedly installed with link block (2) at the top of body (1), and link block (2) front and back is movably installed with portable
Handle (3), shell (1) top are fixedly installed with through shell (1) and extend to the internal charging connector (4) of shell (1),
The protecting bin (8) being fixedly connected at the top of the shell (1) at the top of charging connector (4), protecting bin (8) top movable
It is equipped with cover board (5), cover board (5) top right side is fixedly connected with metal block (6), and inner wall is fixed on the right side of protecting bin (8) connects
It is connected to the horizontal baffle (7) positioned at cover board (5) bottom, is fixedly connected to radiator-grid (11), institute at left and right sides of the shell (1)
It states and is movably installed with movable plate (12) between two radiator-grids (11), be fixedly connected with cooling water pipe at the top of the movable plate (12)
(18), cooling water pipe (18) inner bottom wall is connected with water proof rubber layer (16), and water proof rubber layer (16) inner wall is solid
Surely it is connected with lithium battery ontology (15), lithium battery ontology (15) top left side is fixedly installed with anode (19), described
Lithium battery ontology (15) top right side is fixedly installed with battery cathode (10), is fixedly installed at the top of the lithium battery ontology (15)
Overcharging protection board (9) between anode (19) and battery cathode (10), at left and right sides of the cooling water pipe (18) in
Wall is fixedly connected to the heat-sink shell (17) at left and right sides of lithium battery ontology (15), and movable plate (12) bottom is fixed to be connected
It is connected to limit telescopic bar (13), limit telescopic bar (13) external activity is equipped with spring (14).
2. one kind according to claim 1 can prevent lithium ion battery from crossing the protective device of thermal expansion, it is characterised in that:
Described two carrying handles (3) are mutually symmetrical with, the metal block (6) be L-shaped and with cover board (5) perpendicular shape.
3. one kind according to claim 1 can prevent lithium ion battery from crossing the protective device of thermal expansion, it is characterised in that:
The cover board (5) is parallel at the top of protecting bin (8), and the protecting bin (8) is the rectangle of a uncovered and the length of protecting bin (8)
With the equal length of cover board (5).
4. one kind according to claim 1 can prevent lithium ion battery from crossing the protective device of thermal expansion, it is characterised in that:
The cover board (5) is parallel with horizontal baffle (7) and horizontal baffle (7) and protecting bin (8) at the top of at a distance from height with cover board (5)
It is equal.
5. one kind according to claim 1 can prevent lithium ion battery from crossing the protective device of thermal expansion, it is characterised in that:
The cooling water pipe (18) is a U-shaped, and described two radiator-grid (11) arcs are symmetrical.
6. one kind according to claim 1 can prevent lithium ion battery from crossing the protective device of thermal expansion, it is characterised in that:
The shell (1) is the rectangle of left side two sides uncovered, and the lithium battery ontology (15) is a rectangle.
7. one kind according to claim 1 can prevent lithium ion battery from crossing the protective device of thermal expansion, it is characterised in that:
The water proof rubber layer (16) is a gasket rectangle, the limit telescopic bar (13) and movable plate (12) perpendicular shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821839147.XU CN208835151U (en) | 2018-11-09 | 2018-11-09 | A kind of protective device that can prevent lithium ion battery from crossing thermal expansion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821839147.XU CN208835151U (en) | 2018-11-09 | 2018-11-09 | A kind of protective device that can prevent lithium ion battery from crossing thermal expansion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208835151U true CN208835151U (en) | 2019-05-07 |
Family
ID=66319001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821839147.XU Expired - Fee Related CN208835151U (en) | 2018-11-09 | 2018-11-09 | A kind of protective device that can prevent lithium ion battery from crossing thermal expansion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208835151U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110649186A (en) * | 2019-10-07 | 2020-01-03 | 南京理工大学北方研究院 | Production method of button lithium battery steel shell and battery thereof |
| CN112271382A (en) * | 2020-11-10 | 2021-01-26 | 湖南宝特瑞能新能源有限责任公司 | Lithium battery protection assembly |
| CN112993434A (en) * | 2021-01-05 | 2021-06-18 | 刘国民 | New energy automobile battery heat abstractor |
| CN113178642A (en) * | 2021-03-03 | 2021-07-27 | 安徽力普拉斯电源技术有限公司 | Freezing-resistant power battery |
| CN114447410A (en) * | 2022-02-09 | 2022-05-06 | 徐州储盈电子科技有限公司 | Automatic constant temperature lithium battery auxiliary device |
-
2018
- 2018-11-09 CN CN201821839147.XU patent/CN208835151U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110649186A (en) * | 2019-10-07 | 2020-01-03 | 南京理工大学北方研究院 | Production method of button lithium battery steel shell and battery thereof |
| CN112271382A (en) * | 2020-11-10 | 2021-01-26 | 湖南宝特瑞能新能源有限责任公司 | Lithium battery protection assembly |
| CN112993434A (en) * | 2021-01-05 | 2021-06-18 | 刘国民 | New energy automobile battery heat abstractor |
| CN112993434B (en) * | 2021-01-05 | 2022-06-24 | 刘国民 | New energy automobile battery heat abstractor |
| CN113178642A (en) * | 2021-03-03 | 2021-07-27 | 安徽力普拉斯电源技术有限公司 | Freezing-resistant power battery |
| CN114447410A (en) * | 2022-02-09 | 2022-05-06 | 徐州储盈电子科技有限公司 | Automatic constant temperature lithium battery auxiliary device |
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| 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: 20190507 |