CN209374495U - Fire-retardant partition and battery case - Google Patents
Fire-retardant partition and battery case Download PDFInfo
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- CN209374495U CN209374495U CN201920433897.5U CN201920433897U CN209374495U CN 209374495 U CN209374495 U CN 209374495U CN 201920433897 U CN201920433897 U CN 201920433897U CN 209374495 U CN209374495 U CN 209374495U
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- Prior art keywords
- fire
- retardant
- retardant partition
- clapboard body
- battery
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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
The utility model discloses a kind of fire-retardant partitions, including the clapboard body as made from fire proofing and heat-absorbing material, clapboard body surface is planar structure, and clapboard body is equipped with the mounting portion being coupled with battery case, and the utility model also provides the battery case using the fire-retardant partition.The utility model has the beneficial effects that being applied to battery case as the partition as made from fire proofing, it can effectively prevent isolation, heat-insulated, fire-retardant, thermal runaway and battery explosion prevented, to avoid the generation of accident；And the partition occupies little space, so that the battery box structure using the fire-retardant partition is simple, space utilization rate is high, and cost is relatively low, has a safety feature.
Description
Technical field
The utility model relates to a kind of lithium battery safety protection field more particularly to a kind of fire-retardant partitions and battery
Case.
Background technique
Lithium battery is just being applied to many industries as a kind of novel energy at present.Due to the lithium battery number used
Measure increasing, with the increase of usage quantity, the lithium battery quantity of failure also be will increase, and the probability for burning and exploding will increase
Greatly.But the particularity of the internal structure due to lithium battery, once the internal failure that generates will cause to burn and explode.If hair
Raw burning and explosion may the personnel to periphery can generate injury or even life threatening；Environment can also be damaged simultaneously.
There are many kinds of the modes for carrying out technological processing for explosion protection feature to lithium battery at present, such as application number: 201720913012.2, proprietary term
Referred to as lithium battery explosion-proof tank, it is open, including shell, it is characterised in that outer casing inner wall and bottom surface are provided with liner refractory slab, shell
Upper end is provided with case lid, and case lid lower end surface is provided with liner refractory slab；Blast pressure relief valve, explosion pressure are provided in the middle part of case lid
Safety valve is provided on the case lid of power relief valve side；One upper lateral part of shell is provided with lateral water inlet pipe, water inlet pipe downside
The outer casing underpart of side is provided with drainpipe；The case lid is connected with outer casing width direction two sides by vertically locking hasp, case lid
It is connected with outer casing width direction side by articulation piece.Fire and explosion time occur in the lithium battery explosion-proof tank, by water inlet pipe
It is attached with municipal water supply, the injected clear water into case, prevents lithium battery explosion from generating secondary destruction to periphery；It can effectively prevent
Lithium battery explodes to the injury of the personnel in ambient enviroment and the destruction of environment.The lithium battery explosion-proof tank is intended to avoid secondary broken
It is bad, still without a possibility that fundamentally fire and explosion occur for prevention lithium battery.We are apparent from, and the aggregation of heat is only generation
The main reason for thermal runaway, then just needing to radiate, being fire-retardant.
Current battery case mostly uses multiple duct, radiate pore structure more, but such design is only to normal battery operation
Heat dissipation have good effect, not can solve caused by battery unit steeply rises because of heat thermal runaway risk and potential
When explosion hazard.
The information disclosed in the background technology section is intended only to increase the understanding to the general background of the utility model, and
It is not construed as recognizing or implying in any form that information composition is already known to those of ordinary skill in the art existing
Technology.
Utility model content
The technical problem to be solved by the utility model is to: battery unit how is preferably solved because heat steeply rises
Caused by thermal runaway risk and the problem of potential explosion hazard.
The utility model be by the following technical programs solution above-mentioned technical problem: the utility model disclose it is fire-retardant every
Plate is arranged between the adjacent monomer in battery case, including by the compound clapboard body obtained of fire proofing and heat-absorbing material, every
Plate ontology is shape corresponding with battery cell shape, and clapboard body is equipped with the mounting portion being coupled with battery case.
The utility model is applied to battery case as the partition as made from fire proofing, can effectively prevent isolation, heat-insulated, resistance
Combustion, prevents thermal runaway and battery explosion, to avoid the generation of accident
Preferably, the clapboard body is the square structure of single layer.
Preferably, the clapboard body is the square structure of multilayer.
Preferably, the clapboard body is 2-5 layers.
Preferably, each layer of thickness of the clapboard body is 0.5-5mm.Each layer of thickness can be the same, can also
Different, thickness is smaller, occupies little space.
Preferably, fire retardant made from one layer of high resistant combustible material as organic or inorganic is also coated in the clapboard body.
The partition can be made by single-layer or multi-layer fire proofing and heat-absorbing material, can reach more with applying fire retardant
The fire-retardant effect of kind, according to the thickness and material of the volume size preferred separator of battery case.
Preferably, fire-retardant partition is equipped with multiple heat release holes.It is preferably uniformly arranged, uniform heat release hole can be further
Ventilation, heat dissipation, optimize the use of the fire-retardant partition.
Preferably, the diameter range of heat release hole is 1mm-50mm, and heat release hole quantitative range is 1-100.
Preferably, the area of the heat release hole is the 10-80% of clapboard body area.
A kind of battery case, including fire-retardant partition, cabinet, multiple battery cells, support plate is also disclosed in the utility model；It is multiple
Battery cell is uniformly fixed in cabinet, between adjacent cell monomer be equipped with fire-retardant partition, box house bottom surface be equipped with it is fire-retardant
The corresponding mounting groove of the mounting portion of partition, the connection that fire-retardant partition can be dismantled by mounting portion and mounting groove, support plate setting
Between box house side and battery cell, support plate is equipped with multiple heat release holes.Battery box structure is simple, space utilization rate
Height, cost is relatively low, has a safety feature.
The utility model has the advantage that the utility model passes through the partition as made from fire proofing compared with prior art
Applied to battery case, it can effectively prevent isolation, heat-insulated, fire-retardant, thermal runaway and battery explosion prevented, to avoid the hair of accident
It is raw；And the partition occupies little space so that the battery box structure using the fire-retardant partition is simple, space utilization rate is high, cost compared with
It is low, it has a safety feature.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the fire-retardant partition of the utility model embodiment one；
Fig. 2 is the structural schematic diagram of the fire-retardant partition of the utility model embodiment two；
Fig. 3 is the structural schematic diagram of the fire-retardant partition of the utility model embodiment three；
Fig. 4 is the scheme of installation of fire-retardant partition in embodiment three；
Fig. 5 is the structural schematic diagram of battery case.
Figure label: clapboard body 1, raised 11, gap 12, heat release hole 13, cabinet 2, battery cell 3, support plate 4.
Specific embodiment
It elaborates below to the embodiments of the present invention, the present embodiment before being with technical solutions of the utility model
It puts and is implemented, the detailed implementation method and specific operation process are given, but the protection scope of the utility model is unlimited
In following embodiments.
Embodiment one:
As shown in Figure 1, the clapboard body 1 as made from fire proofing and heat-absorbing material in the present embodiment, clapboard body 1 in
The part of 3 surface of battery cell contact is planar structure, and clapboard body 1 is equipped with the mounting portion being coupled with battery case, this
Mounting portion in embodiment is the structure with 1 integral type of clapboard body, be rectangular planar structure, corresponding battery case it is interior
The mounting groove that portion bottom surface is equipped with is concave groove, but the thickness of the mounting portion of clapboard body is slightly larger than the width of concave groove, using outer
Clapboard body 1 is inserted into concave groove by power, is attached by damping between the two, is if desired replaced, is extracted using external force,
Replacement.
Fire-retardant partition in the present embodiment is single layer structure, with a thickness of 3mm, using the phosphorus to play a role in solid phase
Based flame retardant, including organic phosphates and inorganic Phosphorus.Fire proofing in the present embodiment can be zinc borate, aluminium hydroxide, hydrogen
One of substances such as magnesia, these substance decompositions are largely absorbed heat, generated non-combustible matter dilutes imflammable gas and reaches
To fire-retardant purpose.
And the heat-absorbing material in fire-retardant ontology combines system by the phase-change material of high energy storage density and the material of high thermal conductivity
It is standby to form.
Phase-change material is inorganic phase-changing material or organic phase change material, and inorganic phase-changing material includes: crystalline hydrate salt, melting
Salt and metal alloy, organic phase change material include: paraffin, carboxylic acid and polyalcohol.
Heat Conduction Material is graphene or silica gel.
Further, the range of the mass ratio of fire proofing and heat-absorbing material is 1:1~10:1.
It is not limited to the concrete shape of clapboard body 1, as long as can be set in the gap in battery case between battery cell i.e.
Can, in use, mostly rectangle or square.
Embodiment two:
As shown in Fig. 2, the present embodiment is with the difference for implementing one: the fire-retardant partition in this implementation is multilayered structure；
In the present embodiment, fire-retardant clapboard body 1 uses three-layer composite structure, and shape is rectangle, mounting portion and its installation
Usage mode is identical as in embodiment one, and each layer of thickness is 1.5mm；Furthermore in the present embodiment, to reach quick resistance
The effect of combustion, it is preferred that fire retardant can be the high resistant combustible material of organic or inorganic.Organic fire-retardant is with bromine system, nitrogen system and red
Phosphorus and compound are representative, and for inorganic fire retardants with antimony oxide, magnesium hydroxide, aluminium hydroxide, silicon systems are representative.According to reality
Service condition is selected.
Embodiment three:
As shown in Figure 3,4, the difference between this embodiment and the first embodiment lies in: fire-retardant partition in this implementation is multilayer knot
Structure；And mounting portion is different；
In the present embodiment, fire-retardant partition 1 uses five layers of composite construction, and shape is rectangle, each layer with a thickness of 1mm,
Three layers of intermediate fire proofing used are successively zinc borate, aluminium hydroxide, magnesium hydroxide, heat-absorbing material as in the first embodiment, in
The two sides of interbed also respectively coat fire retardant made from one layer of high resistant combustible material as organic or inorganic, fire retardant with a thickness of
0.5mm, fire retardant can be the high resistant combustible material of organic or inorganic, and organic fire-retardant is with bromine system, nitrogen system and red phosphorus and compound
To represent, for inorganic fire retardants with antimony oxide, magnesium hydroxide, aluminium hydroxide, silicon systems are representative.
Mounting portion in the present embodiment is equipped with protrusion 11 and perforative gap 12, corresponding battery case inner bottom surface are equipped with
Mounting groove be concave groove, concave groove be equipped with the corresponding pit of protrusion, clapboard body 1 is inserted into concave groove using external force,
Under the extruding of external force, gap becomes smaller, and after protrusion falls into pit, gap is restored.
As shown in figure 5, further, embodiment one, embodiment two, embodiment three fire-retardant partition be equipped with multiple heat dissipations
Hole 13.Heat release hole 13 can further divulge information, radiate, and optimize the use of the fire-retardant partition.Specific number is set as needed.
Preferably, the diameter range of heat release hole 13 is 1mm-50mm, and heat release hole quantitative range is 1-100.The heat dissipation
The area in hole 13 is the 10-80% of 1 area of clapboard body.
As shown in figure 5, it is clear for expression, it is only that part is shown in figure, the bottom surface and trailing flank of display cabinet 2, support
Plate 4 also only shows that of trailing flank, and the battery case using above-mentioned fire-retardant partition includes fire-retardant clapboard body 1, cabinet 2, multiple
Battery cell 3, support plate 4；Multiple battery cells 3 are uniformly fixed in cabinet 2, the fixed form of multiple battery cells 3 and it
Between connection type the connection type of existing battery cell 3 with cabinet 2 can be used, be equipped between adjacent cell monomer 3 fire-retardant
Partition, 2 inner bottom surface of cabinet are equipped with mounting groove corresponding with the mounting portion of fire-retardant partition, and fire-retardant partition passes through mounting portion and installation
The connection that slot can be dismantled can also be using bonding, welding in addition to the detachable connection method in embodiment one and embodiment three
Etc. connection types, support plate 4 setting also can be set between 2 inner side of cabinet and battery cell 3, in support plate 4 it is multiple
Heat release hole 13 ', the heat release hole 13 ' in support plate 4 are the 10-80% of 4 area of support plate.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (10)
1. fire-retardant partition is arranged between the adjacent monomer in battery case, which is characterized in that including by fire proofing and heat absorption material
Expect compound clapboard body obtained, clapboard body is shape corresponding with battery cell shape, and clapboard body is equipped with and battery
The mounting portion that case is coupled.
2. fire-retardant partition according to claim 1, which is characterized in that the clapboard body is the square structure of single layer.
3. fire-retardant partition according to claim 1, which is characterized in that the clapboard body is the square structure of multilayer.
4. fire-retardant partition according to claim 3, which is characterized in that the clapboard body is 2-5 layers.
5. fire-retardant partition according to claim 3, which is characterized in that each layer of thickness of the clapboard body is
0.5-5mm。
6. fire-retardant partition according to claim 2 or 3, which is characterized in that also coat one layer in the clapboard body by having
Fire retardant made from machine or inorganic high resistant combustible material.
7. fire-retardant partition according to claim 1, which is characterized in that fire-retardant partition is equipped with multiple heat release holes.
8. fire-retardant partition according to claim 7, which is characterized in that the diameter range of heat release hole is 1mm-50mm, heat dissipation
Hole number range is 1-100.
9. fire-retardant partition according to claim 8, which is characterized in that the area of the heat release hole is clapboard body area
10-80%.
10. battery case, which is characterized in that including any fire-retardant partition of the claims 1-9, cabinet, multiple batteries
Monomer, support plate；Multiple battery cells are uniformly fixed in cabinet, fire-retardant partition are equipped between adjacent cell monomer, in cabinet
Portion bottom surface is equipped with mounting groove corresponding with the mounting portion of fire-retardant partition, and fire-retardant partition can be dismantled by mounting portion and mounting groove
Connection, support plate are arranged between box house side and battery cell, and support plate is equipped with multiple heat release holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920433897.5U CN209374495U (en) | 2019-04-01 | 2019-04-01 | Fire-retardant partition and battery case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920433897.5U CN209374495U (en) | 2019-04-01 | 2019-04-01 | Fire-retardant partition and battery case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209374495U true CN209374495U (en) | 2019-09-10 |
Family
ID=67824606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920433897.5U Active CN209374495U (en) | 2019-04-01 | 2019-04-01 | Fire-retardant partition and battery case |
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| Country | Link |
|---|---|
| CN (1) | CN209374495U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109904356A (en) * | 2019-04-01 | 2019-06-18 | 国网安徽省电力有限公司电力科学研究院 | Fire-retardant partition and battery case |
| CN113785431A (en) * | 2021-02-05 | 2021-12-10 | 气凝胶研发私人有限公司 | Heat insulation device for battery |
-
2019
- 2019-04-01 CN CN201920433897.5U patent/CN209374495U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109904356A (en) * | 2019-04-01 | 2019-06-18 | 国网安徽省电力有限公司电力科学研究院 | Fire-retardant partition and battery case |
| CN113785431A (en) * | 2021-02-05 | 2021-12-10 | 气凝胶研发私人有限公司 | Heat insulation device for battery |
| CN113785431B (en) * | 2021-02-05 | 2024-02-06 | 气凝胶研发私人有限公司 | Heat insulation device for battery |
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