CN208315679U - Low temperature lithium battery group - Google Patents
Low temperature lithium battery group Download PDFInfo
- Publication number
- CN208315679U CN208315679U CN201820722282.XU CN201820722282U CN208315679U CN 208315679 U CN208315679 U CN 208315679U CN 201820722282 U CN201820722282 U CN 201820722282U CN 208315679 U CN208315679 U CN 208315679U
- Authority
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- China
- Prior art keywords
- lithium battery
- layer
- shell
- negative electrode
- electrode bus
- 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
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 56
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 55
- 239000000178 monomer Substances 0.000 claims abstract description 27
- 238000005485 electric heating Methods 0.000 claims abstract description 23
- 238000009825 accumulation Methods 0.000 claims abstract description 20
- 238000010438 heat treatment Methods 0.000 claims abstract description 17
- 238000009413 insulation Methods 0.000 claims abstract description 9
- 238000003860 storage Methods 0.000 claims abstract description 7
- 238000009423 ventilation Methods 0.000 claims abstract description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 6
- 229910001416 lithium ion Inorganic materials 0.000 description 6
- 230000005611 electricity Effects 0.000 description 3
- 238000009831 deintercalation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000005439 thermosphere Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000005303 weighing 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Secondary Cells (AREA)
Abstract
The utility model proposes a kind of low temperature lithium battery group, laminae mediastinales and tabula layer are fixed with outer casing inner wall, and the first wind gap is stayed between lower end and shell；Laminae mediastinales and tabula layer form several battery cavities, and shell below sets clamping seat；There are clamping groove in battery cavities built-in lithium battery monomer, lower end, are sticked on clamping seat, there is the second wind gap between lithium battery monomer and shell；Shell sets ventilation opening；Outer shell bottom wall sets fan；Laminae mediastinales and tabula layer have two layers of accumulation of heat cavity layer and heating cavity layer；Phase-change thermal storage medium is filled in accumulation of heat cavity layer；Electric heating sheets are set in heating cavity layer；Anode ear, negative electrode lug and temperature sensor are set on lithium battery monomer, anode ear is connect with positive electrode bus, and negative electrode lug is connect with negative electrode bus；Insulating layer, thermal insulation layer and circuit board are set above lithium battery monomer, laminae mediastinales and tabula layer；Circuit board is electrically connected with temperature sensor, fan and electric heating sheets, positive electrode bus and negative electrode bus；Circuit board sets controller.The utility model can work in low temperature environment.
Description
Technical field
The utility model relates to technical field of lithium ion, specifically a kind of low temperature lithium battery group.
Background technique
Lithium battery is the accumulation power supply of a new generation, by lithium metal or lithium alloy as negative electrode material, is widely used at present
Industrial production in, especially before there is very big application in the fields such as new-energy automobile, power grid energy storage, special purpose vehicle, communication base station
Scape.It relies primarily on lithium ion, and movement carrys out work between a positive electrode and a negative electrode.In charge and discharge process, lithium ion is in two electrodes
Between insertion and deintercalation back and forth: when filling pond, lithium ion is embedded in cathode from positive deintercalation, by electrolyte, and cathode is in rich lithium shape
State；It is then opposite when electric discharge.And for general lithium battery, there is the temperature range of a best effort, is higher or lower than
This temperature range can all influence the efficiency for charge-discharge of battery, and the damage to battery aggravates, and the chemistry influenced in battery is flat
Weighing apparatus, leads to the performance degradation of battery material, reduces the service life of battery.
Therefore, the cryogenic property of lithium battery how is improved, guarantees that lithium battery can still have preferable work at low temperature
Performance is technical problem urgently to be solved in the application of current lithium battery.
Utility model content
The utility model proposes a kind of low temperature lithium battery group, solve that lithium battery cryogenic property in the prior art is bad to ask
Topic.
The technical solution of the utility model is achieved in that
A kind of low temperature lithium battery group, including shell and top cover, the top cover are set to the upper end of the shell；
Laminae mediastinales and tabula layer, the both ends and the shell of the laminae mediastinales and the tabula layer are provided in the shell
Inner wall fix, there are the first wind gaps between the bottom wall of the lower end and the shell of the laminae mediastinales and the tabula layer；
The laminae mediastinales and the interlaced several battery cavities of formation of the tabula layer；It is described below each battery cavities
Clamping seat is provided on the bottom wall of shell；Lithium battery monomer, the lower end tool of the lithium battery monomer are equipped in the battery cavities
Have and is sticked on the clamping seat with the matched clamping groove of the clamping seat, the lithium battery monomer, the lithium battery monomer
There are the second wind gaps between lower end and the bottom wall of the shell；Second wind gap and first wind gap connect
It is logical；
The side wall lower ends of the shell are provided with the ventilation opening being connected to second wind gap；The bottom wall of the shell
On be provided with fan；
The laminae mediastinales and tabula layer all have two layers of accumulation of heat cavity layer, are heating cavity layer between two layers of accumulation of heat cavity layer；
Phase-change thermal storage medium is filled in the accumulation of heat cavity layer；Electric heating sheets are provided in the heating cavity layer；
Be provided with anode ear, negative electrode lug and temperature sensor above the lithium battery monomer, each anode ear with just
The connection of pole bus, each negative electrode lug are connect with negative electrode bus, and the positive electrode bus and negative electrode bus are led to the outer of the shell
Side；
Insulating layer, the insulating layer are provided with above the top of the lithium battery monomer and the laminae mediastinales and tabula layer
The temperature sensor, anode ear, negative electrode lug, positive electrode bus and negative electrode bus are covered；
Thermal insulation layer is provided with above the insulating layer, circuit board is arranged in the top of the thermal insulation layer；
The circuit board is electrically connected with the temperature sensor, fan and electric heating sheets；The circuit board is equipped with control
Device, the controller control the work of the fan and electric heating sheets according to the sensing signal of the temperature sensor；
The circuit board is electrically connected with the positive electrode bus and negative electrode bus.
Further, the clamping seat is the convex block of cuboid, and the clamping groove is the groove of cuboid.
Further, the fan is located at described first and crosses at wind gap.
Further, the upper end of the accumulation of heat cavity layer of the heating cavity layer two sides is provided with opposite sunken slot, the electric heating
The upper end of piece is provided with fixed strip, and the fixed strip is placed in the sunken slot.
Further, the electric heating sheets are silica gel heating device.
The utility model has the following beneficial effects:
The utility model structure is simple, and design is reasonable；Two layers of accumulation of heat cavity layer, two layers of accumulation of heat are set between lithium battery monomer
Electric heating sheets are set between cavity layer, temperature sensor is set on lithium battery monomer, controller can be according to the temperature of lithium battery monomer
Degree cools down to select starting electric heating sheets heat or start fan, so that lithium ion battery is maintained at suitable
In operating temperature range, guarantee to remain to work normally in low temperature environment；The utility model uses the electricity of lithium battery group itself
For the power supply of the devices such as circuit board, accumulation of heat cavity layer is interior to fill phase-change thermal storage medium, can store the ability of electric heating sheets generation, stop
After heating, phase-change thermal storage medium can continue as lithium battery monomer and provide heat, keep temperature, can reduce energy consumption, save
The about electric energy of lithium battery group.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic diagram of the section structure of the utility model one embodiment；
Fig. 2 is the structural schematic diagram at shell.
Wherein:
1, shell；2, top cover；3, laminae mediastinales；4, tabula layer；5, the first wind gap；6, battery cavities；7, it is clamped seat；8, lithium
Battery cell；9, clamping groove；10, the second wind gap；11, ventilation opening；12, fan；13, accumulation of heat cavity layer；14, cavity layer is heated；
15, electric heating sheets；16, anode ear；17, temperature sensor；18, positive electrode bus；19, insulating layer；20, thermal insulation layer；21, circuit
Plate；22, slot is fallen into；23, fixed strip.
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.
As shown in Figs. 1-2, the low temperature lithium battery group in the present embodiment, including shell 1 and top cover 2, the top cover 2 are set to institute
State the upper end of shell 1.
Laminae mediastinales 3 and tabula layer 4, both ends and institute of the laminae mediastinales 3 with the tabula layer 4 are provided in the shell 1
The inner wall for stating shell 1 is fixed, and there are first between the bottom wall of the lower end and the shell 1 of the laminae mediastinales 3 and the tabula layer 4
Wind gap 5.The laminae mediastinales 3 and the interlaced several battery cavities 6 of formation of the tabula layer 4；Each 6 lower section of the battery cavities
The shell 1 bottom wall on be provided with clamping seat 7；Lithium battery monomer 8, the lithium battery list are equipped in the battery cavities 6
The lower end of body 8 has to be sticked on the clamping seat 7 with the matched clamping groove 9 of the clamping seat 7, the lithium battery monomer 8, institute
State between the lower end of lithium battery monomer 8 and the bottom wall of the shell 1 that there are the second wind gaps 10；Second wind gap 10
It is connected to first wind gap 5.
The side wall lower ends of the shell 1 are provided with the ventilation opening 11 being connected to second wind gap 10；The shell 1
Bottom wall on be provided with fan 12.
The laminae mediastinales 3 and tabula layer 4 all have two layers of accumulation of heat cavity layer 13, are heating between two layers of accumulation of heat cavity layer 13
Cavity layer 14；Phase-change thermal storage medium is filled in the accumulation of heat cavity layer 13；Electric heating sheets 15 are provided in the heating cavity layer 14.
The top of the lithium battery monomer 8 is provided with anode ear 16, negative electrode lug (not shown) and temperature sensor 17,
Each anode ear 16 is connect with positive electrode bus 18, and each negative electrode lug is connect with negative electrode bus (not shown), it is described just
Pole bus 18 and negative electrode bus are led to the outside of the shell 1.
The top of the lithium battery monomer 8 and the top of the laminae mediastinales 3 and tabula layer 4 are provided with insulating layer 19, described
Insulating layer 19 covers the temperature sensor 17, anode ear 16, negative electrode lug, positive electrode bus 18 and negative electrode bus；The insulation
The top of layer 19 is provided with thermal insulation layer 20, and circuit board 21 is arranged in the top of the thermal insulation layer 20；Insulating layer 19 can guarantee circuit
Plate 21, temperature sensor 17, anode ear 16, negative electrode lug, positive electrode bus 18 and the mutual electricity safety of negative electrode bus；Every
Thermosphere 20 can be heated to avoid circuit board 21, improves performance and the service life of circuit board 21.
The circuit board 21 is electrically connected with the temperature sensor 17, fan 12 and electric heating sheets 15；The circuit board 21
It is equipped with controller, the controller controls the fan 12 and electric heating according to the sensing signal of the temperature sensor 17
The work of piece 15；The circuit board 21 is electrically connected with the positive electrode bus 18 and negative electrode bus.
In the present embodiment, the clamping seat 7 is the convex block of cuboid, and the clamping groove 9 is the groove of cuboid.Institute
Fan 12 is stated to cross at wind gap positioned at described first.The upper end of the accumulation of heat cavity layer 13 of heating 14 two sides of cavity layer is provided with relatively
Sunken slot 22, the upper end of the electric heating sheets 15 is provided with fixed strip 23, and the fixed strip 23 is placed in the sunken slot 22.Institute
Stating electric heating sheets 15 is silica gel heating device, and silica gel heating device has the soft thin type face that traditional metal heater can not be compared
Shape heater, conducive to the miniaturization of lithium battery group.
When the present embodiment is in use, temperature sensor 17 senses the temperature conditions of lithium battery monomer 8 in real time, when temperature is lower than
When the minimum of a certain setting, controller starting electric heating sheets 15 are begun to warm up, and temperature is stopped after meeting the job requirement of lithium battery
Only heat；When temperature is higher than the peak of a certain setting, controller starts fan 12, carries out air draft cooling, air-flow is by first
Wind gap 5, the second wind gap 10 are circulated to the discharge of ventilation opening 11, and temperature stops row after meeting the job requirement of lithium battery
Wind.The present embodiment is maintained at lithium ion battery in suitable operating temperature range, guarantees to remain in low temperature environment normal
Work；The present embodiment uses the electricity of lithium battery group itself for the equal devices power supply of circuit board 21, fills phase transformation in accumulation of heat cavity layer 13
Heat-storage medium can store the ability of the generation of electric heating sheets 15, and after stopping heating, phase-change thermal storage medium can continue as lithium battery
Monomer 8 provides heat, keeps temperature, can reduce energy consumption, save the electric energy of lithium battery group.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (5)
1. a kind of low temperature lithium battery group, which is characterized in that including shell and top cover, the top cover is set to the upper end of the shell；
It is provided with laminae mediastinales and tabula layer in the shell, the both ends of the laminae mediastinales and the tabula layer are interior with the shell
Wall is fixed, and there are the first wind gaps between the bottom wall of the lower end and the shell of the laminae mediastinales and the tabula layer；
The laminae mediastinales and the interlaced several battery cavities of formation of the tabula layer；The shell below each battery cavities
Bottom wall on be provided with clamping seat；Be equipped with lithium battery monomer in the battery cavities, the lower end of the lithium battery monomer have with
The matched clamping groove of the clamping seat, the lithium battery monomer are sticked on the clamping seat, the lower end of the lithium battery monomer
There are the second wind gaps between the bottom wall of the shell；Second wind gap is connected to first wind gap；
The side wall lower ends of the shell are provided with the ventilation opening being connected to second wind gap；It is set on the bottom wall of the shell
It is equipped with fan；
The laminae mediastinales and tabula layer all have two layers of accumulation of heat cavity layer, are heating cavity layer between two layers of accumulation of heat cavity layer；It is described
Phase-change thermal storage medium is filled in accumulation of heat cavity layer；Electric heating sheets are provided in the heating cavity layer；
Anode ear, negative electrode lug and temperature sensor are provided with above the lithium battery monomer, each anode ear and anode are female
Line connection, each negative electrode lug connect with negative electrode bus, and the positive electrode bus and negative electrode bus are led to the outside of the shell；
It is provided with insulating layer above the top of the lithium battery monomer and the laminae mediastinales and tabula layer, the insulating layer is by institute
State temperature sensor, anode ear, negative electrode lug, positive electrode bus and negative electrode bus covering；
Thermal insulation layer is provided with above the insulating layer, circuit board is arranged in the top of the thermal insulation layer；
The circuit board is electrically connected with the temperature sensor, fan and electric heating sheets；The circuit board is equipped with controller, institute
State controller and control according to the sensing signal of the temperature sensor work of the fan and electric heating sheets；
The circuit board is electrically connected with the positive electrode bus and negative electrode bus.
2. low temperature lithium battery group as described in claim 1, which is characterized in that the clamping seat is the convex block of cuboid, institute
State the groove that clamping groove is cuboid.
3. low temperature lithium battery group as claimed in claim 2, which is characterized in that the fan is located at described first and crosses wind gap
Place.
4. low temperature lithium battery group as claimed in claim 3, which is characterized in that it is described heating cavity layer two sides accumulation of heat cavity layer it is upper
End is provided with opposite sunken slot, and the upper end of the electric heating sheets is provided with fixed strip, and the fixed strip is placed in the sunken slot.
5. low temperature lithium battery group as claimed in claim 4, which is characterized in that the electric heating sheets are silica gel heating device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820722282.XU CN208315679U (en) | 2018-05-15 | 2018-05-15 | Low temperature lithium battery group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820722282.XU CN208315679U (en) | 2018-05-15 | 2018-05-15 | Low temperature lithium battery group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208315679U true CN208315679U (en) | 2019-01-01 |
Family
ID=64711573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820722282.XU Expired - Fee Related CN208315679U (en) | 2018-05-15 | 2018-05-15 | Low temperature lithium battery group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208315679U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114050356A (en) * | 2021-11-09 | 2022-02-15 | 长沙理工大学 | Multifunctional power battery module heat management system device |
-
2018
- 2018-05-15 CN CN201820722282.XU patent/CN208315679U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114050356A (en) * | 2021-11-09 | 2022-02-15 | 长沙理工大学 | Multifunctional power battery module heat management system device |
| CN114050356B (en) * | 2021-11-09 | 2023-11-14 | 长沙理工大学 | Multifunctional power battery module thermal management system 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190101 |