CN207559016U - Lithium battery and lithium battery pack with self-protection function - Google Patents
Lithium battery and lithium battery pack with self-protection function Download PDFInfo
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- CN207559016U CN207559016U CN201721798538.7U CN201721798538U CN207559016U CN 207559016 U CN207559016 U CN 207559016U CN 201721798538 U CN201721798538 U CN 201721798538U CN 207559016 U CN207559016 U CN 207559016U
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- lithium battery
- fixed
- housing
- side tube
- metal side
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- 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
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Abstract
A kind of lithium battery and battery component with self-protection function,Including box body,Lithium battery ontology is located in box body,It is characterized in that,Metal side tube is fixed on the outer surface of the lithium battery,Filling solid-liquid phase change material in metal side tube,It is close to the surface of lithium battery in one side of metal side tube,Surface far from lithium battery side is made of porous plate,The fixed rectangular box being open towards metal side tube on the side,Accommodating space is equipped between one end of metal side tube and box body,Dry ice tank is fixed in accommodating space,One end that dry ice tank closes on metal side tube sets a plug,The opening of dry ice tank is inserted into plug one end,The other end fixes a top plate,Top plate is stretched into metal side tube,Contradict solid-liquid phase change material,A tension spring is set with outside plug,Tension spring one end is fixed on metal side tube,The other end is fixed on plug,The phase transition temperature of solid-liquid phase change material is in the range of degree.The lithium battery has self-protection function.
Description
Technical field
The utility model is related to field of lithium, and in particular to lithium battery and battery component with self-protection function.
Background technology
Existing lithium battery does not have self-protection function, and the heat management of the poor lithium battery of cooling effect liquid is in battery applications
In it is particularly important, directly affect service life and the performance of battery.Power supply source of the lithium battery as tramcar, needs larger capacity
Lithium battery group；Therefore the requirement for the heat management of lithium battery is more acute.
Heat dissipation of the existing thermal management technology for dynamic lithium battery in hybrid power tramcar, the temperature of battery cell
Consistency effect is poor；And since the condensation segment in heat pipe is simply by free convection or forced air cooling, no other auxiliary dissipate
Hot equipment, the radiating efficiency of this method be not high；Existing power battery heat management has that heat dissipation performance is poor, security reliability
It can low, radiator oneself power consumption be high, economic indicator is low, the low problems such as low with environmental protection index of volume mass index.
Lithium battery, especially lithium battery group deposit the situation of each region non-uniform temperature in use mostly.
In the prior art, Chinese patent（CN201720548112.X, title " a kind of dynamic lithium battery radiator "）It is open
Following technical solution, including lithium battery group, radiating subassembly, fan and the fixing piece being made of multiple lithium battery monomers；It is described
Radiating subassembly includes pre- backing and heat dissipation monomer, and parallel combinations are into radiating block successively for multiple heat dissipation monomers, in the heat dissipation
The bottom of block and side set pre- backing, and lithium battery monomer is set on heat dissipation monomer at one end, described in the fixing piece is fixed
Lithium battery monomer and radiating subassembly；The heat dissipation monomer includes collecting plate, heat pipe and fins set, and the heat pipe is embedded in collecting plate
Collecting plate is stretched out on upper and heat pipe top, and the fins set is placed on the top of the heat pipe；The fan is arranged on adjacent fins
Between group.
Can not realizing power battery only by simple radiating subassembly, each regional temperature is consistent in use, and then
Influence battery pack whole work efficiency.
Invention content
The purpose of this utility model is to provide a kind of lithium batteries and lithium battery pack with self-protection function.
To achieve these goals, the utility model includes box body, and lithium battery ontology is located in box body, the lithium battery
Metal side tube is fixed on outer surface, fills solid-liquid phase change material in metal side tube, lithium battery sheet is close in one side of metal side tube
The surface of body, the surface far from lithium battery ontology side are made of porous plate, fix what is be open towards metal side tube on the side
Rectangular box is equipped with accommodating space, fixes dry ice tank in accommodating space, dry ice tank closes on gold between one end of metal side tube and box body
The one end for belonging to square tube sets a plug, and the opening of dry ice tank is inserted into plug one end, and the other end fixes a top plate, and top plate stretches into
In metal side tube, solid-liquid phase change material is contradicted, is set with a tension spring outside plug, tension spring one end is fixed on metal side tube, another
End is fixed on plug, and the phase transition temperature of solid-liquid phase change material is in the range of 50-80 degree.
Further, housing is further included, the housing is cylinder,
A coaxial battery mounting box is fixed in housing, battery mounting box includes coaxial and both ends open a cylinder
Shape through-hole fixes lithium battery in battery mounting box, and lithium battery point multilayer in battery mounting box is uniformly arranged, and every layer of lithium battery
Axis around battery mounting box is uniformly distributed；
A radiating subassembly is further included, radiating subassembly includes motor, and motor drive end is fixedly connected with shaft, shaft and shell
Body is coaxial, and stretches into cylindrical hole, fixed turbine flabellum in shaft；
The gap between both ends and housing in the shaft on battery mounting box axis direction fixes one respectively
Axial flow fan leaf, axial flow fan leaf include fixed link and blade, and fixed link one end is fixedly connected with shaft, and the other end fixes blade, leaf
The both ends in piece gap between battery mounting box radial direction and housing；
The alien invasion of the battery mounting box is made of metal, outer surface coated with thermally conductive silica gel, the cylindrical hole
Facade be made of stainless steel；
Filling coolant in housing；
Case top fixes a radiation shell, and a buffering conical shell is set in radiation shell, conical shell is buffered and housing is coaxial, delay
Setting coolant communication port between conical shell and housing is rushed, communication port is arranged on and blade corresponding position, the interior setting one of buffering conical shell
Water conservancy diversion conical shell, water conservancy diversion conical shell and buffering conical shell are coaxial, and water conservancy diversion conical shell top end opening, bottom end is fixed on housing, buffers conical shell
Fixing cooling fins group on outer surface；
Shaft is positioned at by axle envelope on radiation shell.
Further, heat dissipation box is further included, longitudinal section is fixed in heat dissipation box as cooling fin made of netted metal, heat dissipation
Piece forms flow-guiding channel, and flow-guiding channel is radially extended along battery mounting box, and heat dissipation box is fixed between two layers of lithium battery, and is supported
The surface of lithium battery is touched, flow-guiding channel connects cylindrical hole and alien invasion on heat dissipation box, enables coolant along flow-guiding channel
Flowing.
Further, coated with thermally conductive silica gel on the cooling fin in radiation shell.
Further, the fixed flow deflector axially extended, flow deflector are equal in inner walls on the inner wall of the housing
Even distribution.
Preferably, the cooling fin in the heat dissipation box is made of aluminium alloy.
The beneficial effects of the utility model are that it is possible to effectively realize the self-protection of battery, and it is quick-fried to prevent battery
It is fried to wait dangerous situations.
Description of the drawings
Fig. 1 is utility model diagram.
Fig. 2 is battery component schematic diagram.
Fig. 3 is heat dissipation box schematic diagram.
Fig. 4 is axial flow fan leaf schematic diagram.
Fig. 5 is blade front view.
Specific embodiment
The utility model is described in detail below in conjunction with the accompanying drawings.
A kind of lithium battery 40 with self-protection function, including box body 43, lithium battery ontology 400 is located in box body 43,
It is characterized in that, metal side tube 41 is fixed on the outer surface of the lithium battery 40, solid-liquid phase change material, gold are filled in metal side tube 41
Belong to the surface that lithium battery ontology 400 is close in 41 1 sides of square tube, the surface far from 400 side of lithium battery ontology is by porous plate system
Into the fixed rectangular box 42 being open towards metal side tube 41, is equipped between one end of metal side tube 41 and box body 43 on the side
Accommodating space, dry ice tank 45 is fixed in accommodating space, and one end that dry ice tank 45 closes on metal side tube 41 sets a plug 48, inserts
The opening that dry ice tank 45 is inserted into 48 one end is filled in, the other end fixes a top plate 46, and top plate 46 is stretched into metal side tube 41, contradicts solid
Liquid phase-change material, plug 48 are set with a tension spring 49 outside, and 49 one end of tension spring is fixed on metal side tube 41, and the other end is fixed on slotting
On plug 48, the phase transition temperature of solid-liquid phase change material is in the range of 50-80 degree.
Solid-liquid phase change material can use paraffin, start to melt at 50 degree or so, plug 48 is under the action of tension spring 49 to remote
Direction movement from dry ice tank 45, makes so as to discharge dry ice, so as to prevent lithium battery from the excessively high situation of temperature occur, and then prevents
Lithium battery such as occurs exploding the dangerous situations.
Preferred embodiment includes housing 10, and the housing 10 is cylinder,
A coaxial battery mounting box 30 is fixed in housing 10, battery mounting box 30 includes a coaxial and both ends open
Cylindrical hole 32, fix lithium battery 40 in battery mounting box 30, lithium battery 40 divides multilayer uniform in battery mounting box 30
Setting, and every layer of lithium battery 40 is uniformly distributed around the axis of battery mounting box 30；
A radiating subassembly 20 is further included, radiating subassembly 20 includes motor 21, and 21 driving end of motor is fixed with shaft 23 to be connected
It connects, shaft 23 and housing 10 are coaxial, and stretch into cylindrical hole 32, fixed turbine flabellum 24 in shaft 23；
The gap between both ends and housing 10 in the shaft 23 on 30 axis direction of battery mounting box is solid respectively
A fixed axial flow fan leaf 25, axial flow fan leaf 25 include fixed link 251 and blade 252, and 251 one end of fixed link is fixed with shaft 23
Connection, the other end fix blade 252, and blade 252 is located at the both ends in gap between 30 radial direction of battery mounting box and housing 10；
The alien invasion 31 of the battery mounting box 30 is made of metal, outer surface coated with thermally conductive silica gel, the cylinder
The facade of through-hole 32 is made of stainless steel；
Filling coolant in housing 10；
A radiation shell 15 is fixed at the top of housing 10, one buffering conical shell 16 of setting in radiation shell 15, buffering conical shell 16 with
Housing 10 is coaxial, buffers and coolant communication port is set between conical shell 16 and housing 10, communication port is arranged on corresponding with blade 252
Place, buffering conical shell 16 one water conservancy diversion conical shell 18 of interior setting, water conservancy diversion conical shell 18 and buffering conical shell 16 are coaxial, and 18 top of water conservancy diversion conical shell is opened
Mouthful, bottom end is fixed on housing 10, buffers fixing cooling fins group 17 on the outer surface of conical shell 16；
Shaft 23 is positioned at by axle envelope 22 on radiation shell 15.
Preferred embodiment further includes heat dissipation box 36, and longitudinal section is fixed in heat dissipation box 36 made of netted metal
Cooling fin, cooling fin form flow-guiding channel, and flow-guiding channel is radially extended along battery mounting box 30, and heat dissipation box 36 is fixed on two layers
Between lithium battery 40, and the surface of lithium battery 40 is contradicted, flow-guiding channel connection cylindrical hole 32 and alien invasion on heat dissipation box 36
31, coolant is enable to be flowed along flow-guiding channel.
Preferred embodiment, coated with thermally conductive silica gel on the cooling fin in radiation shell 15.
Preferred embodiment, the fixed flow deflector 12 axially extended, flow deflector 12 exist on the inner wall of the housing 10
It is uniformly distributed on 10 inner wall of housing.
Preferred embodiment, the cooling fin in the heat dissipation box 36 are made of aluminium alloy.
Above description is merely a prefered embodiment of the utility model, is not intended to limit the utility model, for ability
For field technique personnel, various modifications and changes may be made to the present invention.It is all in the spirit of the present invention and principle, done
Any modification, equivalent substitution, improvement and etc., should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of lithium battery with self-protection function（40）, including box body（43）, lithium battery ontology（400）Positioned at box body（43）
It is interior, which is characterized in that the lithium battery（40）Outer surface on fix metal side tube（41）, metal side tube（41）Interior filling solid-liquid
Phase-change material, metal side tube（41）It is close to lithium battery ontology in one side（400）Surface, far from lithium battery ontology（400）One
The surface of side is made of porous plate, is fixed on the side towards metal side tube（41）The rectangular box of opening（42）, metal side tube
（41）One end and box body（43）Between be equipped with accommodating space, fix dry ice tank in accommodating space（45）, dry ice tank（45）It closes on
Metal side tube（41）One end set a plug（48）, plug（48）Dry ice tank is inserted into one end（45）Opening, the other end is solid
A fixed top plate（46）, top plate（46）Stretch into metal side tube（41）It is interior, contradict solid-liquid phase change material, plug（48）Outer suit one
Tension spring（49）, tension spring（49）One end is fixed on metal side tube（41）On, the other end is fixed on plug（48）On, solid-liquid phase change material
Phase transition temperature in the range of 50-80 degree.
2. a kind of lithium battery pack, which is characterized in that including lithium battery as described in claim 1（40）, further include housing
（10）, the housing（10）For cylinder,
Housing（10）Inside fix a coaxial battery mounting box（30）, battery mounting box（30）It is coaxial and both ends are opened including one
The cylindrical hole of mouth（32）, battery mounting box（30）Interior fixed lithium battery（40）, lithium battery（40）In battery mounting box（30）
Inside a point multilayer is uniformly arranged, and every layer of lithium battery（40）Around battery mounting box（30）Axis be uniformly distributed；
Further include a radiating subassembly（20）, radiating subassembly（20）Including motor（21）, motor（21）Driving end and shaft（23）
It is fixedly connected, shaft（23）With housing（10）Coaxially, and cylindrical hole is stretched into（32）It is interior, shaft（23）Upper fixed turbine flabellum
（24）；
The shaft（23）On in battery mounting box（30）Both ends and housing on axis direction（10）Between gap difference
Fix an axial flow fan leaf（25）, axial flow fan leaf（25）Including fixed link（251）And blade（252）, fixed link（251）One end
With shaft（23）It is fixedly connected, the other end fixes blade（252）, blade（252）Positioned at battery mounting box（30）Radial direction with
Housing（10）Between gap both ends；
The battery mounting box（30）Alien invasion（31）It is made of metal, outer surface coated with thermally conductive silica gel, the cylinder
Through-hole（32）Facade be made of stainless steel；
Housing（10）Interior filling coolant；
Housing（10）A radiation shell is fixed at top（15）, radiation shell（15）Interior one buffering conical shell of setting（16）, buffer conical shell
（16）With housing（10）Coaxially, conical shell is buffered（16）With housing（10）Between set coolant communication port, communication port be arranged on
Blade（252）Corresponding position buffers conical shell（16）One water conservancy diversion conical shell of interior setting（18）, water conservancy diversion conical shell（18）With buffering conical shell（16）
Coaxially, water conservancy diversion conical shell（18）Housing is fixed in top end opening, bottom end（10）On, buffer conical shell（16）Outer surface on fixed heat dissipation
Piece group（17）；
Shaft（23）Pass through axle envelope（22）It is positioned at radiation shell（15）On.
3. lithium battery pack according to claim 2, which is characterized in that further include heat dissipation box（36）, heat dissipation box（36）It is interior
Fixed longitudinal section is cooling fin made of netted metal, and cooling fin forms flow-guiding channel, and flow-guiding channel is along battery mounting box
（30）Radially extend, heat dissipation box（36）It is fixed on two layers of lithium battery（40）Between, and contradict lithium battery（40）Surface, heat dissipation
Box（36）Upper flow-guiding channel connects cylindrical hole（32）And alien invasion（31）, coolant is enable to be flowed along flow-guiding channel.
4. lithium battery pack according to claim 2, which is characterized in that radiation shell（15）Coated with thermally conductive on interior cooling fin
Silica gel.
5. lithium battery pack according to claim 2, which is characterized in that the housing（10）Inner wall on it is fixed in an axial direction
The flow deflector of extension（12）, flow deflector（12）In housing（10）It is uniformly distributed on inner wall.
6. lithium battery pack according to claim 2, which is characterized in that the heat dissipation box（36）Interior cooling fin is closed by aluminium
Gold is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721798538.7U CN207559016U (en) | 2017-12-21 | 2017-12-21 | Lithium battery and lithium battery pack with self-protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721798538.7U CN207559016U (en) | 2017-12-21 | 2017-12-21 | Lithium battery and lithium battery pack with self-protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207559016U true CN207559016U (en) | 2018-06-29 |
Family
ID=62660463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721798538.7U Expired - Fee Related CN207559016U (en) | 2017-12-21 | 2017-12-21 | Lithium battery and lithium battery pack with self-protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207559016U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112382823A (en) * | 2020-11-27 | 2021-02-19 | 合肥工业大学 | Lithium battery thermal management control device |
-
2017
- 2017-12-21 CN CN201721798538.7U patent/CN207559016U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112382823A (en) * | 2020-11-27 | 2021-02-19 | 合肥工业大学 | Lithium battery thermal management control device |
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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 |
Granted publication date: 20180629 Termination date: 20191221 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |