CN106229441A - A kind of set of cells explosion-proof technology - Google Patents
A kind of set of cells explosion-proof technology Download PDFInfo
- Publication number
- CN106229441A CN106229441A CN201610640407.XA CN201610640407A CN106229441A CN 106229441 A CN106229441 A CN 106229441A CN 201610640407 A CN201610640407 A CN 201610640407A CN 106229441 A CN106229441 A CN 106229441A
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- CN
- China
- Prior art keywords
- cells
- battery core
- explosion
- battery
- nickel sheet
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- 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.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/394—Gas-pervious parts or elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
-
- 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
Abstract
The invention discloses a kind of set of cells explosion-proof technology, including: use porcelain bushing that set of cells battery core is wrapped up, the laminating of nickel sheet copper sheet is used to replace nickel sheet, optimize set of cells battery core arrangement order, set of cells battery core interlayer adds puts synthesis stone material, installing waterproof vent valve and explosion-proof valve on battery-pack exterior casing, reduce the cross-sectional area that battery core connects the transition region of nickel sheet, battery-pack exterior casing uses PVC material.The present invention uses porcelain bushing isolation protection; improve the radiating efficiency of battery core; nickel sheet copper sheet laminating type improves the current carrying capacity of nickel sheet; waterproof vent valve makes the relative stable of internal battery pack working environment with explosion-proof valve; the negative synthesis stone to negative arrangement and battery core interlayer of set of cells battery core interlayer completely cuts off technology; make set of cells under conditions of exceedingly odious; other battery cores also will not be impacted by single battery core burning; between the design of battery case explosion-proof valve, battery core and the optimization of sheathing material, prevent the risk of whole set of cells combustion explosion.
Description
Technical field
The present invention relates to cell art, particularly relate to a kind of set of cells explosion-proof technology.
Background technology
Present stage battery of electric vehicle group is well positioned to meet market demands in function and energy storage, but safety problem is also
There is the biggest hidden danger, in the prior art, the protection of battery of electric vehicle group relies solely on PCB protection board and realizes, for electricity
The security study of core group main body is the most considerably less, and, the safe disposal of battery of electric vehicle group is at preventing rank by prior art
Section, i.e. takes some measures unexpected generations such as preventing battery core short-circuit, on fire, and not being further directed to these may go out at work
Existing accident is further protected, once certain battery core short-circuit fire in set of cells, and battery around all can be by the biggest
Impact, serious meeting ignites whole electricity and rubs set of cells, jeopardize the life security of electric motor car driver, and therefore, prior art is extremely
There is problems in that less
(1) fire resistance property of battery-pack exterior casing material is low；
(2) battery-pack exterior casing is fitted without waterproof, antiknock device, and once internal temperature is too high explodes, and does not has preventive measure；
(3) set of cells battery core zone isolation material heat-insulating capability is inadequate；
(4) arrangement of set of cells battery core is unreasonable, and once a battery core is exploded, and other battery cores occur the probability of blast
High；
(5) set of cells battery core connects the current carrying capacity of nickel sheet not, and thermal explosion easily occurred；
(6) heat-sinking capability of set of cells battery core is not enough, easily occurs set of cells battery core to cross thermal explosion.
Therefore, those skilled in the art need urgently solve technical problem exactly: how to innovate
Propose a kind of measure, improve a kind of set of cells explosion-proof capabilities.
Summary of the invention
For solving the problems referred to above, the invention discloses a kind of set of cells explosion-proof technology, to solve the problems of the prior art.
Described set of cells explosion-proof technology includes:
Porcelain bushing is used set of cells battery core to be wrapped up, by each set of cells battery core insulation blocking, it is achieved set of cells electricity
The quick heat radiating of core；
Use the laminating of nickel sheet copper sheet to replace nickel sheet, improve current carrying capacity；
Optimize set of cells battery core arrangement order, reduce set of cells and occur blast to cause other battery cores to be exploded a battery core
Risk；
Set of cells battery core interlayer adds puts synthesis stone material, improves heat insulation, the fire-retardant and anti-pressure ability of set of cells battery core interlayer；
Battery-pack exterior casing is installed waterproof vent valve and explosion-proof valve, protects the safe and reliable of internal battery pack working environment；
Reduce battery core and connect the cross section that between battery core and the nickel sheet of nickel sheet, between weld and nickel sheet main body section, transition is interval
Long-pending, improve the overcurrent protection ability connecting nickel sheet；
Battery-pack exterior casing uses PVC material, improves the fire resistance property of battery-pack exterior casing.
In another embodiment based on above-mentioned set of cells explosion-proof technology, described optimization set of cells battery core arrangement order is:
Upwards, negative pole is downward for the positive pole of ground floor battery core, and upwards, positive pole is downward, and two-layer battery core is negative for the negative pole of second layer battery core
Pole is staggered relatively with negative pole.
In another embodiment based on above-mentioned set of cells explosion-proof technology, the laminating of described use nickel sheet copper sheet is replaced nickel sheet and is
Nickel sheet is welded with copper sheet, and nickel sheet thickness is 0.175 millimeter, and copper thickness is 0.5 millimeter.
In another embodiment based on above-mentioned set of cells explosion-proof technology, described waterproof vent valve is arranged on battery-pack exterior casing
Covering on, when the air pressure in the internal cavity of battery-pack exterior casing reaches to explode marginal value, described waterproof vent valve is beaten automatically
Open, the gas in cavity and heat are discharged.
In another embodiment based on above-mentioned set of cells explosion-proof technology, described explosion-proof valve is arranged on the upper of battery-pack exterior casing
On lid and bottom seat, when the internal cavity air pressure inside of battery-pack exterior casing steeply rises, when reaching blast marginal value, explosion-proof valve is automatic
Open, prevent set of cells from exploding.
In another embodiment based on above-mentioned set of cells explosion-proof technology, described waterproof vent valve arranges 1.
In another embodiment based on above-mentioned set of cells explosion-proof technology, described explosion-proof valve arranges 6.
Compared with prior art, the present invention includes advantages below:
The present invention uses the porcelain bushing isolation resist technology of set of cells battery core, improves the radiating efficiency of battery core, nickel sheet copper sheet
Laminating type improves the use of the current carrying capacity of nickel sheet, waterproof vent valve and explosion-proof valve and ensure that internal battery pack works
Environment the most stable, the negative synthesis stone to negative arrangement and battery core interlayer of set of cells battery core interlayer completely cuts off resist technology, makes electricity
Even if pond group is in the case of exceedingly odious, other battery cores also will not be impacted by single battery core burning, makes and battery case
Between the design of explosion-proof valve, battery core and the optimization of sheathing material, prevent the risk of whole set of cells combustion explosion.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have the accompanying drawing used in technology description to do one to introduce simply, it should be apparent that, the accompanying drawing in describing below is the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to this
A little accompanying drawings obtain other accompanying drawing.
Fig. 1 is the electrical block diagram of an embodiment of the set of cells explosion-proof technology of the present invention；
Fig. 2 is the electrical block diagram of an embodiment of the set of cells explosion-proof technology of the present invention；
Fig. 3 is the electrical block diagram of an embodiment of the set of cells explosion-proof technology of the present invention；
Fig. 4 is the electrical block diagram of an embodiment of the set of cells explosion-proof technology of the present invention；
Fig. 5 is the electrical block diagram of an embodiment of the set of cells explosion-proof technology of the present invention；
In figure: 1 battery core, 2 dividing plates, 3 battery core sleeve pipes, 4PVC support, 5 waterproof vent valves, 6 explosion-proof valves, 7 copper sheets, 8 nickel sheet, 9 potteries
Sleeve pipe.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only
It is a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under not making creative work premise, broadly falls into the scope of protection of the invention.
A kind of set of cells explosion-proof technology and the detection method that there is provided the present invention with embodiment below in conjunction with the accompanying drawings are carried out more
Explain.
As shown in Figures 1 to 5, this set of cells explosion-proof technology includes:
Porcelain bushing 9 is used set of cells battery core 1 to be wrapped up, by the insulation blocking of each set of cells battery core 1, it is achieved set of cells
The quick heat radiating of battery core 1, described porcelain bushing 9 is ring-shaped cylinder structure, and its external diameter is 24 millimeters, and internal diameter is 18 millimeters, pottery
Sleeve pipe 9 wall is 3 millimeters, and a height of 52 millimeters of porcelain bushing 9, the material of described porcelain bushing 9 is ceramic material；
Use the laminating of nickel sheet 8 copper sheet 7 to replace nickel sheet, improve current carrying capacity；
Optimize set of cells battery core 1 to arrange order, reduce set of cells and occur blast to cause other battery cores 1 to occur a battery core 1
The risk of blast；
Set of cells battery core 1 interlayer adds puts synthesis stone material, improves heat insulation, the fire-retardant and anti-pressure ability of set of cells battery core 1 interlayer；
Battery-pack exterior casing is installed waterproof vent valve 5 and explosion-proof valve 6, protects the safe and reliable of internal battery pack working environment；
Reduce battery core and connect the horizontal stroke that between battery core 1 and the nickel sheet 8 of nickel sheet 8, between weld and nickel sheet 8 main body section, transition is interval
Sectional area, improves the overcurrent protection ability connecting nickel sheet 8；
Battery-pack exterior casing uses PVC material, improves the fire resistance property of battery-pack exterior casing.
In another embodiment based on above-mentioned set of cells explosion-proof technology, described optimization set of cells battery core 1 order of arranging is:
Upwards, negative pole is downward for the positive pole of ground floor battery core 1, and upwards, positive pole is downward, and two-layer battery core 1 is for the negative pole of second layer battery core 1
Negative pole is staggered relatively with negative pole.
Described set of cells battery core 1 interlayer adds puts synthesis stone material, improves the heat insulation, fire-retardant and anti-of set of cells battery core 1 interlayer
Pressure energy power includes: battery core 1, dividing plate 2, battery core sleeve pipe 3, PVC support 4 and explosion-proof valve 5；
Described dividing plate 2 is between the negative pole and the negative pole of second layer battery core 1 of the ground floor battery core 1 of battery core 1, for by ground floor
The negative pole isolation of the negative pole of battery core 1 and second layer battery core 1；
Described battery core sleeve pipe 3 is the accommodation space of battery core 1, and a battery core 1 placed by each battery core 1 sleeve pipe；
Multiple battery core sleeve pipes 3 are fixed together by described PVC support 4；
Described battery core positive pole explosion-proof valve 5 is positioned at the positive pole position of described multilamellar battery core 1.
In another embodiment based on above-mentioned set of cells explosion-proof technology, nickel sheet is replaced in the laminating of described use nickel sheet 8 copper sheet 7
8 weld with copper sheet 7 for nickel sheet 8, and nickel sheet 9 thickness is 0.175 millimeter, and copper sheet 7 thickness is 0.5 millimeter.
Mode copper sheet 7 and nickel sheet 8 fitted, does not increase the thickness of nickel sheet 8 in prior art, due to copper sheet 7
Fusing point is much higher relative to nickel sheet 8, so using the current carrying capacity 50A by condition of equivalent thickness nickel sheet 8 of the nickel sheet 8 of this scheme
Bringing up to 80A, it is higher that it adapts to ability.
In another embodiment based on above-mentioned set of cells explosion-proof technology, described waterproof vent valve 5 is arranged on outside set of cells
Covering on shell, when the air pressure in the internal cavity of battery-pack exterior casing reaches to explode marginal value, described waterproof vent valve 5 is automatic
Open, the gas in cavity and heat are discharged.
In another embodiment based on above-mentioned set of cells explosion-proof technology, described explosion-proof valve 6 is arranged on battery-pack exterior casing
On upper cover and base, when the internal cavity air pressure inside of battery-pack exterior casing steeply rises, when reaching blast marginal value, explosion-proof valve 6
Automatically open up, prevent set of cells from exploding.
In another embodiment based on above-mentioned set of cells explosion-proof technology, described waterproof vent valve 5 arranges 1.
In another embodiment based on above-mentioned set of cells explosion-proof technology, described explosion-proof valve 6 arranges 6.
Above a kind of set of cells explosion-proof technology provided by the present invention is described in detail, used herein specifically
Principle and the embodiment of the present invention are set forth by individual example, and the explanation of above example is only intended to help and understands the present invention
Method and core concept；Simultaneously for one of ordinary skill in the art, according to the thought of the present invention, it is being embodied as
All will change in mode and range of application, in sum, this specification content should not be construed as limitation of the present invention.
Finally it is noted that the foregoing is only the preferred embodiments of the present invention, it is not limited to the present invention,
Although being described in detail the present invention with reference to previous embodiment, for a person skilled in the art, it still may be used
So that the technical scheme described in foregoing embodiments to be modified, or wherein portion of techniques feature is carried out equivalent,
All within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included in the present invention's
Within protection domain.
Claims (7)
1. a set of cells explosion-proof technology, it is characterised in that including:
Porcelain bushing is used set of cells battery core to be wrapped up, by each set of cells battery core insulation blocking, it is achieved set of cells electricity
The quick heat radiating of core；
Use the laminating of nickel sheet copper sheet to replace nickel sheet, improve current carrying capacity；
Optimize set of cells battery core arrangement order, reduce set of cells and occur blast to cause other battery cores to be exploded a battery core
Risk；
Set of cells battery core interlayer adds puts synthesis stone material, improves heat insulation, the fire-retardant and anti-pressure ability of set of cells battery core interlayer；
Battery-pack exterior casing is installed waterproof vent valve and explosion-proof valve, protects the safe and reliable of internal battery pack working environment；
Reduce battery core and connect the cross section that between battery core and the nickel sheet of nickel sheet, between weld and nickel sheet main body section, transition is interval
Long-pending, improve the overcurrent protection ability connecting nickel sheet；
Battery-pack exterior casing uses PVC material, improves the fire resistance property of battery-pack exterior casing.
Set of cells explosion-proof technology the most according to claim 1, it is characterised in that described optimization set of cells battery core arrangement order
For:
Upwards, negative pole is downward for the positive pole of ground floor battery core, and upwards, positive pole is downward, and two-layer battery core is negative for the negative pole of second layer battery core
Pole is staggered relatively with negative pole.
Set of cells explosion-proof technology the most according to claim 1, it is characterised in that nickel is replaced in the laminating of described use nickel sheet copper sheet
Sheet is that nickel sheet is welded with copper sheet, and nickel sheet thickness is 0.175 millimeter, and copper thickness is 0.5 millimeter.
Set of cells explosion-proof technology the most according to claim 1, it is characterised in that described waterproof vent valve is arranged on set of cells
Covering on shell, when the air pressure in the internal cavity of battery-pack exterior casing reaches to explode marginal value, described waterproof vent valve is certainly
Move and open, the gas in cavity and heat are discharged.
Set of cells explosion-proof technology the most according to claim 1, it is characterised in that described explosion-proof valve is arranged on battery-pack exterior casing
Upper cover and base on, when the internal cavity air pressure inside of battery-pack exterior casing steeply rises, reach explode marginal value time, explosion-proof valve
Automatically open up, prevent set of cells from exploding.
Set of cells explosion-proof technology the most according to claim 4, it is characterised in that described waterproof vent valve arranges 1.
Set of cells explosion-proof technology the most according to claim 5, it is characterised in that described explosion-proof valve arranges 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610640407.XA CN106229441A (en) | 2016-08-05 | 2016-08-05 | A kind of set of cells explosion-proof technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610640407.XA CN106229441A (en) | 2016-08-05 | 2016-08-05 | A kind of set of cells explosion-proof technology |
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| Publication Number | Publication Date |
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| CN106229441A true CN106229441A (en) | 2016-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610640407.XA Pending CN106229441A (en) | 2016-08-05 | 2016-08-05 | A kind of set of cells explosion-proof technology |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106784493A (en) * | 2017-01-20 | 2017-05-31 | 江门市大长江集团有限公司 | Battery of electric vehicle and electric motor car |
| CN109428027A (en) * | 2017-09-03 | 2019-03-05 | 湖州南浔遨优电池有限公司 | A kind of heat-insulating, fire-preventing anti-explosion battery group |
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| CN202712310U (en) * | 2012-07-06 | 2013-01-30 | 天津力神电池股份有限公司 | Power battery module |
| CN204216162U (en) * | 2014-10-12 | 2015-03-18 | 山东精工电子科技有限公司 | Hand held cleaner lithium battery group |
| CN204407380U (en) * | 2014-10-09 | 2015-06-17 | 北京长城华冠汽车科技有限公司 | Battery case casing |
| US20160006007A1 (en) * | 2013-02-27 | 2016-01-07 | Panasonic Corporation | Battery module |
| CN205335364U (en) * | 2015-12-23 | 2016-06-22 | 山东精工电子科技有限公司 | Novel multiplying power lithium battery module that discharges |
-
2016
- 2016-08-05 CN CN201610640407.XA patent/CN106229441A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202712310U (en) * | 2012-07-06 | 2013-01-30 | 天津力神电池股份有限公司 | Power battery module |
| US20160006007A1 (en) * | 2013-02-27 | 2016-01-07 | Panasonic Corporation | Battery module |
| CN204407380U (en) * | 2014-10-09 | 2015-06-17 | 北京长城华冠汽车科技有限公司 | Battery case casing |
| CN204216162U (en) * | 2014-10-12 | 2015-03-18 | 山东精工电子科技有限公司 | Hand held cleaner lithium battery group |
| CN205335364U (en) * | 2015-12-23 | 2016-06-22 | 山东精工电子科技有限公司 | Novel multiplying power lithium battery module that discharges |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106784493A (en) * | 2017-01-20 | 2017-05-31 | 江门市大长江集团有限公司 | Battery of electric vehicle and electric motor car |
| CN109428027A (en) * | 2017-09-03 | 2019-03-05 | 湖州南浔遨优电池有限公司 | A kind of heat-insulating, fire-preventing anti-explosion battery group |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161214 |
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| RJ01 | Rejection of invention patent application after publication |