CN209389072U - Square lithium ion power battery end cover capable of detecting internal temperature - Google Patents
Square lithium ion power battery end cover capable of detecting internal temperature Download PDFInfo
- Publication number
- CN209389072U CN209389072U CN201920080676.4U CN201920080676U CN209389072U CN 209389072 U CN209389072 U CN 209389072U CN 201920080676 U CN201920080676 U CN 201920080676U CN 209389072 U CN209389072 U CN 209389072U
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- China
- Prior art keywords
- battery
- lithium ion
- temperature
- power battery
- utility
- Prior art date
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 26
- 229910052751 metal Inorganic materials 0.000 claims abstract description 11
- 239000002184 metal Substances 0.000 claims abstract description 11
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 4
- 238000009529 body temperature measurement Methods 0.000 abstract description 7
- 238000005259 measurement Methods 0.000 abstract description 3
- 239000000523 sample Substances 0.000 abstract description 3
- 238000003466 welding Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 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
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- Secondary Cells (AREA)
Abstract
The utility model provides a square power battery end cover of lithium ion of temperature in detectable, including the end plate, seted up the temperature measurement hole on the end plate, temperature measurement hole inboard is connected with the temperature measurement sleeve that stretches into the battery inside, is equipped with the thermocouple in the temperature measurement sleeve. The utility model discloses add the temperature measurement hole at the end plate of traditional lithium ion end cover, temperature measurement hole welding metal casing, inside thermocouple temperature probe extended the battery through the sleeve pipe, but direct measurement obtained the inside temperature of battery. The utility model can monitor the temperature change condition in the battery in real time, enhance the reliability and instantaneity of the battery temperature information of the power management system and prolong the service life of the battery; and the safety of the power supply is enhanced for timely feeding back the thermal runaway state of the battery.
Description
Technical field
The utility model relates to technical field of lithium ion more particularly to a kind of lithium ion of detectable interior temperature are rectangular dynamic
Power end cover for battery cells.
Background technique
With the propulsion of modernization, Domestic Environment pressure increasingly increases, and new-energy automobile comes into being.New energy vapour
Vehicle generallys use lithium ion battery packet as energy storage component, and lithium ion battery has relative to conventional lead acid power battery uses the longevity
Order length, good rate capability, it is environmental-friendly, energy density is high the features such as.However, since lithium ion battery has, energy density is high,
The features such as battery material is inflammable, battery easy explosion on fire under thermal runaway state.
Currently, new-energy automobile monitors battery temperature in battery surface arrangement temperature acquisition point, according to measurement temperature tune
Whole charge and discharge strategy for the battery instant alarming under thermal runaway state and starts fire extinguishing cooling program, strives for for driver and passenger
Escape the time, the timeliness and accuracy of battery temperature measurement are particularly important safely to vehicle, and battery surface temperature lag in
All there is larger defect in accuracy and timeliness in internal temperature of battery, currently used temperature acquisition mode.
Utility model content
Based on technical problem present in background technique, the utility model proposes a kind of lithium ion sides of detectable interior temperature
Shape power battery end cap.
The utility model proposes it is a kind of it is detectable in temperature lithium ion square power battery end cap, including end plate, end plate
On offer thermometer hole, the thermometric sleeve for protruding into inside battery is connected on the inside of thermometer hole, is equipped with thermocouple in thermometric sleeve.
Preferably, thermometric sleeve includes metal inner pipe, and thermocouple is arranged in metal inner pipe, and metal inner pipe is externally coated with absolutely
Edge layer.
Preferably, insulating layer is made of insulating ceramics.
Preferably, end plate is successively arranged positive terminal, liquid injection hole, explosion-proof valve, negative terminal, and thermometer hole is located at positive terminal and fluid injection
Between hole.
Preferably, thermometric sleeve is L-shaped and thermometric sleeve is bent to positive terminal side.
Preferably, thermometric sleeve diameter is 0.2-2mm.
The utility model proposes it is a kind of it is detectable in temperature lithium ion square power battery end cap, at conventional lithium ion end
The end plate of lid adds thermometer hole, thermometer hole welding metal casing, and thermocouple temperature probe extends to inside battery through casing, can be direct
Measurement obtains internal temperature of battery.By the utility model can real-time monitoring internal temperature of battery situation of change, enhance power supply pipe
The reliability and instantaneity of system battery temperature information are managed, battery is extended；For timely feedbacking battery thermal runaway shape
State enhances power supply security.The utility model has simple, economical and practical, the suitable mechanization batch of structure novel, production method
The features such as production, can directly measure internal temperature of battery, substantially increase the safety coefficient of battery, be a kind of economic, practical, peace
Full novel square lithium ion electrokinetic battery end cover structure.
Detailed description of the invention
Fig. 1 be the utility model proposes it is a kind of it is detectable in temperature lithium ion square power battery end cap structural representation
Figure；
Fig. 2 be the utility model proposes it is a kind of it is detectable in temperature lithium ion square power battery end cap side view；
Fig. 3 be the utility model proposes it is a kind of it is detectable in temperature lithium ion square power battery end cap in thermometric sleeve
Structural schematic diagram.
Specific embodiment
- Fig. 3 referring to Fig.1, the utility model proposes a kind of lithium ion square power battery end caps of detectable interior temperature, including
End plate 1, end plate 1 are successively arranged positive terminal 4, liquid injection hole 5, explosion-proof valve 6, negative terminal 7, are located at positive terminal 4 and liquid injection hole on end plate 1
Position offers thermometer hole 2 between 5, and the thermometric sleeve 3 for protruding into inside battery is connected on the inside of thermometer hole 2, is set in thermometric sleeve 3
There is thermocouple.
In the present embodiment, thermometric sleeve 3 includes metal inner pipe 31, and thermocouple is arranged in metal inner pipe 31, metal inner pipe 31
It is externally coated with insulating layer 32, insulating layer 32 is made of insulating ceramics.3 internal layer of thermometric sleeve uses metal material, convenient for leading
Heat, 3 outer layer of thermometric sleeve apply insulating ceramics, prevent thermometric sleeve 3 because of contact negative electrode tab short circuit.
In the present embodiment, to avoid occupying battery core space, 3 internal diameter of thermometric sleeve is 0.2-2mm, thermometric sleeve 3 it is L-shaped and
Thermometric sleeve 3 is bent to 4 side of positive terminal.
The utility model adds thermometer hole 2 in the end plate 1 of conventional lithium ion end cap, and thermometer hole 2 welds thermometric sleeve 3, heat
Galvanic couple temp probe extends to inside battery through thermometric sleeve 3, can directly measure acquisition internal temperature of battery.Pass through the utility model
Can real-time monitoring internal temperature of battery situation of change, enhance power-supply management system battery temperature information reliability and instantaneity,
Extend battery；For timely feedbacking battery thermal runaway state, enhance power supply security.The utility model has structure
It is novel, production method is simple, it is economical and practical, be suitble to the features such as mechanization batch production, can directly measure internal temperature of battery, greatly
The safety coefficient for improving battery greatly is a kind of economic, practical, safe novel square lithium ion electrokinetic battery end cover structure.
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. it is a kind of it is detectable in temperature lithium ion square power battery end cap, which is characterized in that including end plate (1), on end plate (1)
It offers thermometer hole (2), the thermometric sleeve (3) for protruding into inside battery is connected on the inside of thermometer hole (2), is set in thermometric sleeve (3)
There is thermocouple.
2. the lithium ion square power battery end cap of detectable interior temperature according to claim 1, which is characterized in that thermometric cover
Cylinder (3) includes metal inner pipe (31), and thermocouple is arranged in metal inner pipe (31), and metal inner pipe (31) is externally coated with insulating layer
(32)。
3. the lithium ion square power battery end cap of detectable interior temperature according to claim 2, which is characterized in that insulating layer
(32) it is made of insulating ceramics.
4. the lithium ion square power battery end cap of detectable interior temperature according to any one of claim 1-3, feature
It is, end plate (1) is successively arranged positive terminal (4), liquid injection hole (5), explosion-proof valve (6), negative terminal (7), and thermometer hole (2) is located at anode
Between column (4) and liquid injection hole (5).
5. the lithium ion square power battery end cap of detectable interior temperature according to claim 4, which is characterized in that thermometric cover
Cylinder (3) is L-shaped and thermometric sleeve (3) is bent to positive terminal (4) side.
6. the lithium ion square power battery end cap of detectable interior temperature according to any one of claim 1-3, feature
It is, thermometric sleeve (3) internal diameter is 0.2-2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920080676.4U CN209389072U (en) | 2019-01-17 | 2019-01-17 | Square lithium ion power battery end cover capable of detecting internal temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920080676.4U CN209389072U (en) | 2019-01-17 | 2019-01-17 | Square lithium ion power battery end cover capable of detecting internal temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209389072U true CN209389072U (en) | 2019-09-13 |
Family
ID=67853629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920080676.4U Active CN209389072U (en) | 2019-01-17 | 2019-01-17 | Square lithium ion power battery end cover capable of detecting internal temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209389072U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110987210A (en) * | 2019-11-05 | 2020-04-10 | 力神动力电池系统有限公司 | Method for detecting internal temperature of lithium ion battery |
| WO2021036532A1 (en) * | 2019-08-29 | 2021-03-04 | 宁德时代新能源科技股份有限公司 | Battery module and vehicle |
| CN113300010A (en) * | 2020-09-29 | 2021-08-24 | 欣旺达电动汽车电池有限公司 | Battery cell, battery system and electric automobile |
-
2019
- 2019-01-17 CN CN201920080676.4U patent/CN209389072U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021036532A1 (en) * | 2019-08-29 | 2021-03-04 | 宁德时代新能源科技股份有限公司 | Battery module and vehicle |
| US11894525B2 (en) | 2019-08-29 | 2024-02-06 | Contemporary Amperex Technology Co., Limited | Battery module and vehicle |
| CN110987210A (en) * | 2019-11-05 | 2020-04-10 | 力神动力电池系统有限公司 | Method for detecting internal temperature of lithium ion battery |
| CN113300010A (en) * | 2020-09-29 | 2021-08-24 | 欣旺达电动汽车电池有限公司 | Battery cell, battery system and electric automobile |
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