CN219777819U - Safe observation and storage device after detection of cylindrical lithium ion battery - Google Patents
Safe observation and storage device after detection of cylindrical lithium ion battery Download PDFInfo
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- CN219777819U CN219777819U CN202123357978.8U CN202123357978U CN219777819U CN 219777819 U CN219777819 U CN 219777819U CN 202123357978 U CN202123357978 U CN 202123357978U CN 219777819 U CN219777819 U CN 219777819U
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- lithium ion
- ion battery
- carrying plate
- positioning rope
- movable carrying
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 53
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 53
- 238000001514 detection method Methods 0.000 title claims abstract description 46
- 238000003860 storage Methods 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 239000004677 Nylon Substances 0.000 claims description 3
- 238000004364 calculation method Methods 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 239000003063 flame retardant Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims 3
- 238000000034 method Methods 0.000 description 14
- 238000012546 transfer Methods 0.000 description 8
- 238000004880 explosion Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000010304 firing Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000009795 derivation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000011076 safety test Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
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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 safe observing and storing device after detection of a cylindrical lithium ion battery, which comprises a box body, a movable carrying plate, a supporting beam and a positioning rope, wherein the box body is provided with a plurality of positioning ropes; one side of the movable carrying plate is a rotating side, the other side is a hanging side, two ends of the rotating side are rotationally connected with the box body, a lower fixed buckle is arranged on the bottom surface of the hanging side, two ends of the supporting beam are connected with the box body, an upper fixed buckle is arranged on the supporting beam, one end of the positioning rope is connected with the upper fixed buckle, the other end of the positioning rope is connected with the lower fixed buckle, the positioning rope forms an included angle with the movable carrying plate, the positioning rope lifts the hanging side to enable the movable carrying plate to keep inclined, the lithium ion battery is placed on the movable carrying plate, and the lithium ion battery is tangential to the movable carrying plate and the positioning rope. When a sample placed on the device heats or fires, the positioning rope is burnt, the device automatically sinks the sample into water, other samples or surrounding environments or equipment are prevented from being ignited, and the safety of the observation period and the storage period is improved.
Description
Technical Field
The utility model relates to the technical field of battery safety detection, in particular to a post-detection safety observation and storage device for a cylindrical lithium ion battery.
Background
Compared with other types of batteries, the cylindrical lithium ion battery has the advantages of better product consistency, higher energy density and high automation degree of the production process. Driven by small power markets represented by electric two-wheelers, electric tools and the like and electric automobile markets represented by tesla, cylindrical lithium ion batteries have huge detection requirements in links of product research and development, production quality control, product authentication and the like.
Safety detection is an important link in lithium ion battery detection. In the process of safety detection and reliability detection, severe and extreme conditions are usually applied to the lithium ion battery, so that phenomena such as leakage, cracking, fire, explosion and the like can occur in the detection process, in the observation period after detection and in the storage period of the detected sample. The sample is usually in a 100% charge state before safety detection, and the sample has a fire or explosion, and the probability of heating, firing or explosion in storage of the sample after the test is low because the energy in the sample is released; however, for samples that do not fire or explode, the risk of sudden heating, firing or explosion of the sample cannot be excluded during the observation period and during the storage period; part of the safety tests require observation of the sample after the test (e.g. GB 38031-2020, GB 31241-2014 etc.) for up to 6 hours or more; the sample after detection needs to be stored before other treatment or other subsequent detection, and the battery is a great potential safety hazard because of unpredictable safety accidents and serious safety accidents possibly caused after fire or explosion.
In the prior art, for a sample in an observation period, a treatment mode mainly comprises on-site observation and transfer observation. After the safety detection is finished, the sample is not moved, and the sample is left in the detection equipment for observation; after transfer, the sample is transferred from the detection device to other places in a safe mode for observation after the safety detection is finished.
For the samples in the storage period, the treatment mode mainly comprises space isolation and active fire extinguishing. When the sample amount is small, a space isolation method is usually adopted, the sample is stored in a space or a space, and the purpose is to ensure that other samples or devices are not ignited when the stored sample fires or explodes; when the sample amount is large, an active fire extinguishing method is usually adopted, and safety measures such as smoke detectors, temperature detectors, automatic spraying and the like are additionally arranged on a sample rack or a laboratory for storing the samples.
For the sample in the observation period, the on-site observation method has the defects that the observation sample occupies the detection equipment in the observation period, the detection efficiency is seriously reduced, and the requirement of batch detection cannot be rapidly met; in order to reduce the risk of the transfer process, the transfer distance is not too far, enough personnel protection and sample protection measures are needed to be adopted, and the place for placing the sample after the transfer is required to have corresponding conditions, so that the method has high requirements on personnel operation safety, transfer measures and storage environment. In addition, in order that the sample can be timely treated when a fire or explosion occurs, detection personnel are usually required to be arranged for on-site observation in the observation period, and the time cost input by the detection personnel is high; for samples with storage period, the space isolation method requires larger field space; the active fire extinguishing method has higher hardware cost.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides a post-detection safety observation and storage device for a cylindrical lithium ion battery, which is used for carrying out a safety observation process after detection on the cylindrical lithium ion battery, can realize automatic and rapid fire extinguishing when a sample fires in the safety observation process, and can effectively prevent the sample from firing during or after detection to cause explosion or cause fires of other samples, laboratory equipment and the like.
The technical scheme of the utility model is as follows: a safe observing and storing device after detection of a cylindrical lithium ion battery comprises a box body, a movable carrying plate, a supporting beam and a positioning rope;
one side of the movable carrying plate is a rotating side, the other side is a hanging side, two ends of the rotating side are rotationally connected with the box body, the bottom surface of the hanging side is provided with a lower fixing buckle, two ends of the supporting beam are connected with the box body, the supporting beam is provided with an upper fixing buckle, one end of the positioning rope is connected with the upper fixing buckle, the other end of the positioning rope is connected with the lower fixing buckle, the positioning rope forms an included angle with the movable carrying plate, the positioning rope lifts the hanging side to enable the movable carrying plate to keep inclined, the lithium ion battery is placed on the movable carrying plate, and the lithium ion battery is tangential to the movable carrying plate and the positioning rope.
Further, the rotation side of the movable carrying plate is provided with a hollow cylinder and a rotation shaft, the box body is provided with an opening, the rotation shaft is positioned in the hollow cylinder, and two ends of the rotation shaft respectively enter the opening.
Further, the upper fixing buckle and the lower fixing buckle are both L-shaped.
Further, the distance between the rotating side and the support beam is the width of one movable carrying plate.
Further, a movable carrying plate and a supporting beam form a battery storage group, and the box body is provided with three battery storage groups along the length direction.
Further, the depth of the box body is not smaller than twice the width of the movable carrying plate, and a low water level marking line and a high water level marking line are arranged on the box body.
Further, the hanging side is provided with two lower fixing buckles, the supporting beam is correspondingly provided with two upper fixing buckles, the distance between every two adjacent lower fixing buckles is 25-35mm, and the distance between every two adjacent upper fixing buckles is 25-35mm.
Further, the positioning rope is a carbon wire or a nylon wire.
Further, the box body, the movable carrying plate and the supporting beam are all made of hard plastic plates with the flame retardant rating of at least 5 VA.
Further, the length of the positioning rope is d, the width of the movable carrying plate is l, d is not more than l, and the maximum radius capable of accommodating the lithium ion battery is r max The calculation mode of (2) is as follows:
according to the application method of the safe observation and storage device after detection of the cylindrical lithium ion battery, a certain amount of water (pure water or saline water) is firstly placed in the box body, one end of the positioning rope is connected with the upper fixed buckle, the other end of the positioning rope is connected with the lower fixed buckle, one side of the movable carrying plate is lifted to keep inclined, the cylindrical lithium ion battery is placed on the movable carrying plate, the lithium ion battery is tangential to the movable carrying plate and the positioning rope, when the lithium ion battery fires, the positioning rope is burnt, the movable carrying plate is turned downwards after losing the connection of the positioning rope, so that lithium ion electrons on the movable carrying plate fall into the box body, and water in the box body extinguishes open fire on the lithium ion battery and can damage a chemical reaction system inside the lithium ion battery.
Compared with the prior art, the utility model has the following beneficial effects:
according to the safe observation and storage device for the cylindrical lithium ion battery after detection, when a sample placed on the device heats or fires, the device can automatically sink the sample into water, so that other samples or surrounding environments or equipment are prevented from being ignited, and the safety of an observation period and a storage period is improved.
The cylindrical lithium ion battery post-detection safety observation and storage device is small in size and weight, can be placed on the periphery of detection equipment to serve as a sample frame, effectively shortens the sample transfer distance, provides conditions for safely transferring samples from a detection station after detection, and improves the detection efficiency.
The cylindrical lithium ion battery post-detection safe observation and storage device is simple in sample placement operation by using the device, and can effectively reduce risks to samples and operators in the transfer process; the protection function of the device is automatically triggered, and detection personnel is not required to keep in reserve; the main body part of the device is easy to clean, reusable, and the consumable part is easy to replace, so that the cost is low.
Drawings
Fig. 1 is a schematic structural diagram of a safety observation and storage device after detection of a cylindrical lithium ion battery.
FIG. 2 is a schematic diagram of the connection of the movable carrier plate, the support beam and the positioning rope according to the present utility model.
FIG. 3 is a schematic diagram showing the derivation of the formula (1) according to the present utility model.
The lithium ion battery 100, the box body 1, the low water level marking line 11, the high water level marking line 12, the movable carrying plate 2, the hollow cylinder 21, the rotating shaft 22, the lower fixing buckle 23, the supporting beam 3, the upper fixing buckle 31 and the positioning rope 4.
Detailed Description
The present utility model will be described in further detail with reference to examples, but embodiments of the present utility model are not limited thereto.
Examples
As shown in fig. 1 and 2, the present embodiment provides a post-detection safety observation and storage device for a cylindrical lithium ion battery, which comprises a box body 1, a movable carrying plate 2, a supporting beam 3 and a positioning rope 4.
As shown in fig. 1 and 2, the movable carrying plate is rectangular, the width is not less than 60mm, the length is not less than 150mm, the thickness is not less than 3mm, one side of the movable carrying plate is a rotating side, the other side is a hanging side, two ends of the rotating side are rotationally connected with the box body, and the bottom surface of the hanging side is provided with a lower fixing buckle 23. In this embodiment, the rotation side is equipped with cavity cylinder 21 and axis of rotation 22, is equipped with the trompil on the box body, and the axis of rotation is located the cavity cylinder, and the both ends of axis of rotation get into the trompil respectively, through setting up cavity cylinder and trompil, when the installation of activity year thing board, only need aim at cavity cylinder and opening, insert the axis of rotation again and can realize the movable installation of activity year thing board, the equipment is simple and easy with the dismantlement mode.
As shown in fig. 1 and 2, two ends of the supporting beam are connected with the box body, the supporting beam is provided with an upper fixing buckle 31, one end of the positioning rope is connected with the upper fixing buckle, the other end of the positioning rope is connected with the lower fixing buckle, the positioning rope forms an included angle with the movable carrying plate, the positioning rope lifts the hanging side to enable the movable carrying plate to keep inclined, the lithium ion battery is placed on the movable carrying plate, and the lithium ion battery is tangential to the movable carrying plate and the positioning rope at the same time, so that the lithium ion battery 100 is fully contacted with the positioning rope.
As shown in fig. 1 and 2, two lower fixing buckles are arranged on the hanging side along the length direction, two upper fixing buckles are correspondingly arranged on the supporting beam along the length direction, the distance between two adjacent lower fixing buckles is 25-35mm, and the distance between two adjacent upper fixing buckles is 25-35mm. In this embodiment, the interval between two adjacent fixed buckles down is 30mm, and the interval between two adjacent fixed buckles is 30mm, goes up fixed buckle and fixed buckle down and all is the L type.
As shown in fig. 1 and 2, a movable carrier plate and a support beam form a battery storage group, and the distance between the rotating side and the support beam is the width of the movable carrier plate. In this embodiment, the case is provided with three battery storage groups along the length direction, so that the device can accommodate a plurality of samples at a time for observation and storage.
As shown in fig. 1 and 2, the depth of the box body is not less than twice the width of the movable carrying plate, the box body is provided with a low water level marking line 11 and a high water level marking line 12, in this embodiment, the length of the box body is three times the width+80 mm of the movable carrying plate, the width is the same as the length of the movable carrying plate, and the thickness of the box body is not less than 5mm.
In this embodiment, the box body, the movable carrying board and the supporting beam are all made of hard plastic plates with a flame retardant rating of at least 5VA, the positioning rope is a carbon wire or a nylon wire, the diameter of the positioning rope is not less than 0.1mm, and the length of the positioning rope (the length of a straight line when the positioning rope is connected with the upper fixing buckle and the lower fixing buckle) is not greater than the width of the movable carrying board.
The length of the positioning rope is d, the width of the movable carrying plate is l, d is not more than l, and the maximum radius capable of accommodating the lithium ion battery is r max The calculation mode of (2) is as follows:
。
the derivation process of the above formula (1) is as follows:
as shown in fig. 3, AD represents a positioning rope, with a length d; OD represents the movable carrying plate, and the length is l; o represents the center of the rotating shaft; when the movable carrying plate rotates to be horizontal with the center O, the movable carrying plate is flush with the supporting beam, and the intersection point of the movable carrying plate is A; the rotating angle of the movable carrying plate from the horizontal direction is recorded as theta; when the device is designed to place a sample, the cylindrical lithium ion battery sample is tangent to the positioning rope and the movable carrying plate at the same time, so that when the sample is tangent to the positioning rope A, the radius of the sample is maximum, and the radius is recorded as r max 。
As an auxiliary line k T AD, as an angular bisector of ADO, and intersects with k at O'. Because the sample is tangential with the positioning rope and the movable carrying plate at the same time, O' is the center of the section of the cylindrical sample. Taking O 'as O' B T OD at B, wherein B is the tangential point of the section of the cylindrical sample and the movable carrier plate, and O 'A=O' B=r is provided max The method comprises the steps of carrying out a first treatment on the surface of the Extending DO, intersecting k at C. Because of AC ζ AD, CD must be the diameter of a circle centered on O and having a radius of l.
Since oc=oa, angle oca=θ/2; and due to AC T AD, then
In the right triangle delta O' BC,since bd=ad=d, then:
due toThen:
from the formulae (2), (3):
。
according to the application method of the safe observation and storage device after detection of the cylindrical lithium ion battery, a certain amount of water (pure water or saline water) is firstly placed in the box body, one end of the positioning rope is connected with the upper fixed buckle, the other end of the positioning rope is connected with the lower fixed buckle, one side of the movable carrying plate is lifted to keep inclined, the cylindrical lithium ion battery is placed on the movable carrying plate, the lithium ion battery is tangential to the movable carrying plate and the positioning rope, when the lithium ion battery fires, the positioning rope is burnt, the movable carrying plate is turned downwards after losing the connection of the positioning rope, so that lithium ion electrons on the movable carrying plate fall into the box body, and water in the box body extinguishes open fire on the lithium ion battery and can damage a chemical reaction system inside the lithium ion battery.
As described above, the present utility model can be better realized, and the above-described embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model; all equivalent changes and modifications are intended to be covered by the scope of the appended claims.
Claims (10)
1. The device for safely observing and storing the detected cylindrical lithium ion battery is characterized by comprising a box body, a movable carrying plate, a supporting beam and a positioning rope;
one side of the movable carrying plate is a rotating side, the other side is a hanging side, two ends of the rotating side are rotationally connected with the box body, the bottom surface of the hanging side is provided with a lower fixing buckle, two ends of the supporting beam are connected with the box body, the supporting beam is provided with an upper fixing buckle, one end of the positioning rope is connected with the upper fixing buckle, the other end of the positioning rope is connected with the lower fixing buckle, the positioning rope forms an included angle with the movable carrying plate, the positioning rope lifts the hanging side to enable the movable carrying plate to keep inclined, the lithium ion battery is placed on the movable carrying plate, and the lithium ion battery is tangential to the movable carrying plate and the positioning rope.
2. The post-detection safety observation and storage device for cylindrical lithium ion batteries according to claim 1, wherein the rotating side of the movable carrying plate is provided with a hollow cylinder and a rotating shaft, the box body is provided with an opening, the rotating shaft is positioned in the hollow cylinder, and two ends of the rotating shaft respectively enter the opening.
3. The post-detection safety viewing and storage device for a cylindrical lithium ion battery according to claim 1, wherein the upper fixing buckle and the lower fixing buckle are L-shaped.
4. The post-inspection safety viewing and storage device of claim 1, wherein the distance between the rotating side and the support beam is the width of a movable carrier plate.
5. The post-inspection safety viewing and storage device for a cylindrical lithium ion battery according to claim 1, wherein a movable carrier plate and a support beam form a battery storage group, and the case is provided with three battery storage groups along a length direction.
6. The post-detection safety observation and storage device for a cylindrical lithium ion battery according to claim 1, wherein the depth of the box body is not less than twice the width of the movable carrying plate, and a low water level marking line and a high water level marking line are arranged on the box body.
7. The post-detection safety observation and storage device for a cylindrical lithium ion battery according to claim 1, wherein the hanging side is provided with two lower fixing buckles, the supporting beam is correspondingly provided with two upper fixing buckles, the distance between two adjacent lower fixing buckles is 25-35mm, and the distance between two adjacent upper fixing buckles is 25-35mm.
8. The post-detection safety observation and storage device for a cylindrical lithium ion battery according to claim 1, wherein the positioning rope is a carbon wire or a nylon wire.
9. The post-inspection safety viewing and storage device for a cylindrical lithium ion battery according to claim 1, wherein the case, the movable carrier plate and the support beam are all made of rigid plastic plates with a flame retardant rating of at least 5 VA.
10. The post-detection safety observation and storage device for a cylindrical lithium ion battery according to claim 1, wherein the length of the positioning rope is d, the width of the movable carrying plate is l, d is not more than l, and the maximum radius capable of accommodating the lithium ion battery is r max The calculation mode of (2) is as follows:
。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123357978.8U CN219777819U (en) | 2021-12-29 | 2021-12-29 | Safe observation and storage device after detection of cylindrical lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123357978.8U CN219777819U (en) | 2021-12-29 | 2021-12-29 | Safe observation and storage device after detection of cylindrical lithium ion battery |
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| Publication Number | Publication Date |
|---|---|
| CN219777819U true CN219777819U (en) | 2023-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123357978.8U Active CN219777819U (en) | 2021-12-29 | 2021-12-29 | Safe observation and storage device after detection of cylindrical lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219777819U (en) |
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2021
- 2021-12-29 CN CN202123357978.8U patent/CN219777819U/en active Active
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