CN211088430U - Lithium cell is with fire prevention plastic sucking dish - Google Patents
Lithium cell is with fire prevention plastic sucking dish Download PDFInfo
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- CN211088430U CN211088430U CN201922109042.XU CN201922109042U CN211088430U CN 211088430 U CN211088430 U CN 211088430U CN 201922109042 U CN201922109042 U CN 201922109042U CN 211088430 U CN211088430 U CN 211088430U
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- lithium battery
- plastic
- disc body
- plastic sucking
- sucking disc
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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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- 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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Abstract
The utility model discloses a fireproof plastic sucking disc for a lithium battery, which comprises a plastic sucking disc body, a supporting structure, a lithium battery component and an expansion type fireproof coating; the plastic sucking disc body is provided with a plurality of layers in an up-and-down distribution manner, and the supporting structure is fixed at the bottom of the plastic sucking disc body; the top of the plastic sucking disc body is provided with a plurality of battery mounting grooves, and the lithium battery component is mounted in the battery mounting grooves of the plastic sucking disc body; the height of the supporting structure at the bottom of the plastic sucking disc body is greater than that of the lithium battery component; the bottom surface of the plastic sucking disc body is provided with an expansion type fireproof coating; the utility model discloses be provided with bearing structure bottom the plastic uptake dish body, bearing structure not only plays the effect of support, still can raise the lithium battery pack of installation on the plastic uptake dish body, increases the distance between lithium battery pack and the lower floor plastic uptake dish, reaches radiating effect, provides expanded space for setting up the intumescent fire protection coating in plastic uptake dish body bottom surface simultaneously, plays the effect of fire prevention.
Description
Technical Field
The utility model relates to a lithium cell erection equipment field specifically is a lithium cell is with fire prevention plastic sucking plate.
Background
During the production and transportation of lithium batteries, it is often necessary to house the lithium batteries in a blister tray. The plastic uptake dish's effect is fixed lithium cell, avoids different batteries to remove in the transportation and takes place positive negative pole contact and produce the short circuit, and the colleague reduces the damage that the battery collided and produced in the transportation. The blister tray is typically of PP, PS or PET.
However, such blister trays have the problem of being flammable in the event of a fire. In the production process of the lithium battery, the steps of charging formation, high-temperature aging and the like are carried out. In these processes, a safety problem of battery ignition sometimes occurs. The existing plastic sucking plate is made of high polymer materials and can be softened and combusted when being heated. Generally, a single battery has safety problems, and the ignition and combustion can ignite batteries on other plastic sucking discs, so that the safety hazard of large-scale combustion is caused. Also during warehousing and transportation, individual batteries can present fire safety issues. The plastic sucking plate made of high polymer materials can not block flame, and large-scale potential safety hazards that a single battery burns to ignite other batteries can occur.
If the heat-resistant fireproof felt is simply added in the middle of the plastic sucking disc, the volume and the weight of the plastic sucking disc body can be greatly increased, and the cost of the plastic sucking disc can also be increased. And because the heat-insulating property of the heat-resistant fireproof felt is good, the heat dissipation in the manufacturing process of the battery can be influenced, the temperature of the battery is overhigh, and the performance of the battery is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a lithium cell that can separation flame, radiating effect are good is with preventing fire plastic uptake dish is provided.
The utility model discloses a following technical means realizes solving above-mentioned technical problem:
A fireproof plastic sucking disc for a lithium battery comprises a plastic sucking disc body, a supporting structure, a lithium battery assembly and an expansion type fireproof coating; the supporting structure is fixed at the bottom of the plastic sucking disc body; the top of the plastic sucking disc body is provided with a plurality of battery mounting grooves, and the lithium battery component is mounted in the battery mounting grooves of the plastic sucking disc body; the plastic-absorbing disc comprises a plastic-absorbing disc body, a supporting structure, a lithium battery component and an expansion type fireproof coating; the plastic sucking disc body is provided with a plurality of layers in an up-and-down distribution manner; the supporting structure is fixed at the bottom of the plastic sucking disc body; the top of the plastic sucking disc body is provided with a plurality of battery mounting grooves, and the lithium battery component is mounted in the battery mounting grooves of the plastic sucking disc body;
The height of the supporting structure at the bottom of the plastic uptake disc body is greater than that of the lithium battery pack;
The bottom surface of the plastic sucking disc body is provided with an expansion type fireproof coating; the utility model discloses be provided with bearing structure at the plastic sucking disc body bottom, bearing structure not only plays the effect of support, can also raise the lithium battery pack of installation on the plastic sucking disc body, increases the distance between lower floor's plastic sucking disc and the lithium battery pack, reaches the radiating effect, provides the space of inflation for the intumescent fire protection coating that sets up in the plastic sucking disc body bottom surface simultaneously; the expansion type fireproof coating is arranged on the bottom surface of the plastic sucking disc body, and is not in contact with the lithium battery component, so that the expansion type fireproof coating is prevented from being abraded or damaged;
When a plurality of fireproof plastic-absorbing discs are overlapped up and down for use, because the height of the supporting structure is greater than that of the lithium battery component, the expansion type fireproof coating on the bottom surface of the upper-layer plastic-absorbing disc body is not contacted with the lithium battery component on the top of the lower-layer plastic-absorbing disc body, and the condition that other lithium battery components are on fire due to the fact that each layer of lithium battery component is on fire can be avoided.
Preferably, a gap is arranged between the lithium battery component and the wall of the battery mounting groove of the plastic sucking disc body; the edge of the lithium battery component is not in contact with the wall of the battery mounting groove of the plastic sucking disc body, so that normal heat dissipation of the lithium battery component during working can be guaranteed, and the risk of ignition of the lithium battery component is reduced.
Preferably, the intumescent fire protection coating has a thickness of 0.1 to 5 mm; the thickness of the intumescent fire-proof coating can ensure that the intumescent fire-proof coating has a certain expansion space, and forms a porous structure when meeting thermal expansion at high temperature, thereby effectively insulating heat and avoiding ignition of other batteries when one battery is burnt.
Preferably, the plastic sucking disc body is made of a high polymer material, and the high polymer material is selected from one of polypropylene, polystyrene plastics and polyethylene; through such setting for the plastic sucking plate body meets thermal expansion under high temperature, forms porous structure, can be effectual thermal-insulated, avoids when a battery burning, ignites other batteries.
Preferably, the material of the intumescent fire protection coating is selected from one of an organic intumescent fire protection coating, an expandable graphite coating and an inorganic intumescent fire protection coating.
Preferably, the intumescent fire-retardant coating is an inorganic intumescent fire-retardant coating, and the material of the inorganic intumescent fire-retardant coating is selected from one of magnesium hydroxide, aluminum hydroxide, sodium carbonate, sodium bicarbonate or silica aerogel; when the lithium battery component burns, hydrogen fluoride gas can be released, and magnesium hydroxide, aluminum hydroxide, sodium carbonate, sodium bicarbonate or silica aerogel can react with the hydrogen fluoride gas to generate solid, so that the toxic gas emission of the battery burning is reduced.
Preferably, the inorganic intumescent fire protection coating contains a curing agent; the curing agent is prepared from one of condensed phosphate, polyphosphate silicate, sodium fluosilicate and polysiloxane.
The utility model has the advantages that:
1. The utility model discloses be provided with bearing structure at the plastic sucking disc body bottom, bearing structure not only plays the effect of support, can also raise the lithium battery pack of installation on the plastic sucking disc body, increases the distance between lower floor's plastic sucking disc and the lithium battery pack, reaches the radiating effect, provides the space of inflation for the intumescent fire protection coating that sets up in the plastic sucking disc body bottom surface simultaneously; because the height of the supporting structure is greater than that of the lithium battery pack, the expansion type fireproof coating on the bottom surface of the upper layer plastic sucking disc body is not contacted with the lithium battery pack on the top of the lower layer plastic sucking disc body, and the condition that other lithium battery packs are on fire due to the fact that each layer of lithium battery pack is on fire can be avoided; by arranging the expansion type fireproof coating on the bottom surface of the plastic sucking disc body, the expansion type fireproof coating is not in contact with the lithium battery component, and the expansion type fireproof coating is prevented from being abraded or damaged.
2. The edge of the lithium battery component is not in contact with the wall of the battery mounting groove of the plastic sucking disc body, so that normal heat dissipation of the lithium battery component during working can be guaranteed, and the risk of ignition of the lithium battery component is reduced.
3. The thickness of the intumescent fire-proof coating can ensure that the intumescent fire-proof coating has a certain expansion space, and forms a porous structure when meeting thermal expansion at high temperature, thereby effectively insulating heat and avoiding ignition of other batteries when one battery is burnt.
Drawings
Fig. 1 is a schematic structural view of a fireproof plastic sucking plate for a lithium battery according to an embodiment of the present invention;
Fig. 2 is a schematic structural view of a fireproof plastic sucking plate for a lithium battery according to a first embodiment and a second embodiment of the present invention;
Fig. 3 is a schematic structural view of a fireproof plastic-absorbing plate for a lithium battery according to a third embodiment of the present invention;
Fig. 4 is a schematic structural view of the fireproof plastic-absorbing plate for a lithium battery according to an embodiment of the present invention.
The reference numbers illustrate:
1. A plastic suction disc body; 2. a support structure; 3. a lithium battery pack; 4. intumescent fire protection coating.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example one
As shown in fig. 1 and fig. 2, the embodiment discloses a fireproof plastic-suction disk for a lithium battery, which includes a plastic-suction disk body 1, a support structure 2, a lithium battery assembly 3 and an intumescent fireproof coating 4; the supporting structure 2 is fixed at the bottom edge of the plastic sucking disc body 1; the top of the plastic sucking disc body 1 is provided with a plurality of battery mounting grooves, and the lithium battery component 3 is mounted in the battery mounting groove of the plastic sucking disc body 1; the bottom surface of the plastic sucking disc body 1 is provided with an expansion type fireproof coating 4;
In the embodiment, the supporting structure 2 is arranged at the bottom of the plastic sucking disc body 1, so that the supporting structure 2 not only plays a role of supporting, but also can lift the lithium battery component 3 mounted on the plastic sucking disc body 1, increase the distance between the lithium battery component 3 and the lower layer plastic sucking disc, achieve a heat dissipation effect, and provide an expansion space for the expansion type fireproof coating 4 arranged on the bottom surface of the plastic sucking disc body 1; by arranging the intumescent fire protection coating 4 on the bottom surface of the plastic uptake disc body 1, the intumescent fire protection coating 4 does not contact the lithium battery pack 3, and the intumescent fire protection coating 4 is prevented from being worn or damaged.
As shown in fig. 2 and 4, a plurality of layers are distributed on the plastic uptake disk body 1, and the height of the support structure 2 at the bottom of the plastic uptake disk body 1 is greater than the height of the lithium battery pack 3; the height of the supporting structure 2 is 5mm, the height of the lithium battery pack 3 is 4mm, and when a plurality of fireproof plastic-suction discs are overlapped up and down for use, because the height of the supporting structure 2 is larger than the height of the lithium battery pack 3, the expansion type fireproof coating 4 on the bottom surface of the upper layer plastic-suction disc body 1 is not in contact with the lithium battery pack 3 on the top of the lower layer plastic-suction disc body 1, and the situation that each layer of lithium battery pack 3 is ignited to cause other lithium battery packs 3 to be ignited can be avoided.
The thickness of the intumescent fire protection coating 4 is 0.1-5mm, and the thickness of the intumescent fire protection coating 4 of the embodiment is preferably 0.1 mm.
The plastic suction disk body 1 is made of a high polymer material, the high polymer material is selected from one of polypropylene, polystyrene plastics and polyethylene, and the material of the plastic suction disk body 1 in this embodiment is preferably a polypropylene material.
The material of the intumescent fire-retardant coating 4 is one or a plurality of superimposed composite layers of an organic intumescent fire-retardant coating, an expandable graphite coating and an inorganic intumescent fire-retardant coating.
The working principle of the embodiment is as follows: adopt the utility model provides a fire prevention plastic uptake dish is when transporting the lithium cell, if a lithium battery pack takes place to catch fire when piling up, then can produce the heating effect to upper plastic uptake dish body 1's bottom surface, the intumescent fire protection coating 4 of upper plastic uptake dish body 1 bottom surface can expand under high temperature and form porous state, the distance between the intumescent fire protection coating 4 of upper plastic uptake dish body 1 bottom surface and the lithium battery pack 3 at lower floor's plastic uptake dish body 1 top, for intumescent fire protection coating 4 provides abundant inflation space, can protect upper lithium cell not ignited.
Example two
As shown in fig. 2, a difference between the present embodiment and the first embodiment is that two battery installation grooves are formed in the top of the plastic sucking disc body 1, lithium battery assemblies 3 are installed in the two battery installation grooves, and a gap is formed between each lithium battery assembly 3 and a groove wall of the battery installation groove of the plastic sucking disc body 1; the plastic sucking disc body 1 is made of polystyrene plastics, the thickness of the lithium battery component 3 is 8mm, the thickness of the expansion type fireproof coating is 2mm, and the height of the supporting structure is 14 mm; the edge of lithium battery pack 3 does not contact with the battery mounting groove wall of the plastic sucking disc body 1, so that the normal heat dissipation of the working time of the lithium battery pack 3 can be ensured, and the fire risk of the lithium battery pack 3 is reduced.
EXAMPLE III
As shown in fig. 3, the difference between the present embodiment and the first and second embodiments is that the height of the lithium battery pack 3 in the present embodiment is 10mm, the thickness of the intumescent fire-retardant coating 4 is 5mm, the height of the support structure 2 is 50mm, the distance between the lithium battery pack 3 and the intumescent fire-retardant coating 4 is 40mm, and the distance between the lithium battery pack 3 and the intumescent fire-retardant coating 4 is 8 times the thickness of the coating.
The intumescent fire protection coating 4 of this embodiment is an inorganic intumescent fire protection coating, and the material of the inorganic intumescent fire protection coating is selected from one of magnesium hydroxide, aluminum hydroxide, sodium carbonate and sodium bicarbonate and silica aerogel, preferably magnesium hydroxide and aluminum hydroxide, and when the lithium battery assembly burns, hydrogen fluoride gas is released, and magnesium hydroxide or aluminum hydroxide reacts with the hydrogen fluoride gas to generate solid, so that the toxic gas emission of the battery burning is reduced. The inorganic intumescent fire protection coating of this example contains a curing agent; the curing agent is prepared from one of condensed phosphate, polyphosphate silicate, sodium fluosilicate and polysiloxane.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (7)
1. The utility model provides a lithium cell is with fire prevention plastic sucking dish which characterized in that: the plastic-absorbing disc comprises a plastic-absorbing disc body, a supporting structure, a lithium battery component and an expansion type fireproof coating; the plastic sucking disc body is provided with a plurality of layers in an up-and-down distribution manner; the supporting structure is fixed at the bottom of the plastic sucking disc body; the top of the plastic sucking disc body is provided with a plurality of battery mounting grooves, and the lithium battery component is mounted in the battery mounting grooves of the plastic sucking disc body;
The height of the supporting structure at the bottom of the plastic uptake disc body is greater than that of the lithium battery pack;
The bottom surface of the plastic uptake disc body is provided with an expansion type fireproof coating.
2. The fireproof plastic uptake plate for lithium battery as claimed in claim 1, wherein: a gap is arranged between the lithium battery component and the wall of the battery mounting groove of the plastic sucking disc body.
3. The fireproof plastic uptake plate for lithium battery as claimed in claim 1, wherein: the thickness of the intumescent fire-retardant coating is 0.1-5 mm.
4. The fireproof plastic uptake plate for lithium battery as claimed in claim 1, wherein: the plastic sucking disc body is made of high molecular polymer materials, and the high molecular polymer materials are selected from one of polypropylene, polystyrene plastics and polyethylene.
5. The fireproof plastic uptake plate for lithium battery as claimed in claim 1, wherein: the material of the intumescent fire-retardant coating is selected from one or a plurality of superimposed composite layers of an organic intumescent fire-retardant coating, an expandable graphite coating and an inorganic intumescent fire-retardant coating.
6. The lithium battery fireproof plastic sucking plate as claimed in claim 5, wherein: the intumescent fire-retardant coating is an inorganic intumescent fire-retardant coating, and the material of the inorganic intumescent fire-retardant coating is selected from one of magnesium hydroxide, aluminum hydroxide, sodium carbonate and sodium bicarbonate and silica aerogel.
7. The lithium battery fireproof plastic sucking plate as claimed in claim 6, wherein: the inorganic intumescent fire-retardant coating contains a curing agent; the curing agent is prepared from one of condensed phosphate, polyphosphate silicate, sodium fluosilicate and polysiloxane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922109042.XU CN211088430U (en) | 2019-11-29 | 2019-11-29 | Lithium cell is with fire prevention plastic sucking dish |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922109042.XU CN211088430U (en) | 2019-11-29 | 2019-11-29 | Lithium cell is with fire prevention plastic sucking dish |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211088430U true CN211088430U (en) | 2020-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922109042.XU Active CN211088430U (en) | 2019-11-29 | 2019-11-29 | Lithium cell is with fire prevention plastic sucking dish |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211088430U (en) |
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2019
- 2019-11-29 CN CN201922109042.XU patent/CN211088430U/en active Active
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