CN109037516A - A kind of Novel electric core fire prevention cylinder - Google Patents
A kind of Novel electric core fire prevention cylinder Download PDFInfo
- Publication number
- CN109037516A CN109037516A CN201810602287.3A CN201810602287A CN109037516A CN 109037516 A CN109037516 A CN 109037516A CN 201810602287 A CN201810602287 A CN 201810602287A CN 109037516 A CN109037516 A CN 109037516A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- assembly
- heat
- battery core
- dashpot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000002265 prevention Effects 0.000 title claims abstract description 18
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 12
- 238000010276 construction Methods 0.000 claims abstract description 9
- 238000002955 isolation Methods 0.000 claims abstract description 8
- 230000007704 transition Effects 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 238000009413 insulation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 208000021760 high fever Diseases 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 206010020852 Hypertonia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Primary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
It prevents fires cylinder the invention discloses a kind of Novel electric core, including fire proof construction and diaphragm structure, the fire proof construction includes fire prevention cylinder, and the fire prevention cylinder is formed by the assembly cylinder that is in contact with battery core surface and with the discontiguous heat-insulated cylinder in battery core surface；The assembly cylinder is connected with heat-insulated cylinder；The end of the assembly cylinder, which is equipped with, axially constrain with radial positioning to battery core, and provides the nickel sheet fitting groove of assembly located space to nickel sheet；The diaphragm structure includes the connecting plate ontology being connected with assembly barrel end, and the connecting plate ontology is equipped with the dashpot to match with assembly cylinder；The edge of the dashpot has extended outward to form isolation ring；Several relief holes are equipped in the dashpot.The configuration of the present invention is simple, design rationally, flexibly using assembly, it is good to walk security protection performance to battery core heat cruelly.
Description
Technical field
The present invention relates to battery technology field more particularly to a kind of Novel electric core fire prevention cylinders.
Background technique
With the development of new energy equipment such as electric vehicle, merchandising machine people, electric ship, the use of lithium battery is increasingly wider
General, in order to pursue longer cruising ability, the capacity of lithium battery monomer and Pack mould group is increasing, and energy density is increasingly
Height especially breaks down in battery core and occurs to be very dangerous when heat is walked cruelly, therefore when designing battery modules, how to prevent
When only extraordinary failure occurs in single-unit battery core, other battery cores can be allowed to be unaffected generation chain reaction, entire mould group is caused to go out
Existing safety accident is that each designer has to the important process considered.
In existing battery modules, relatively common is allowed between battery core and battery core and protects by the fixed battery core of battery bracket
A safe spacing is held, or carries out battery modules integration in such a way that battery core is close to encapsulating with battery core.Use encapsulating side
For method when battery core heat is walked cruelly, the battery core that the high temperature that battery core generates can influence surrounding at once causes chain reaction generation to prolong burning thing
Therefore and encapsulating higher cost, be phased out now.And the mode relative safety that battery core is fixed using bracket can be got well
It is some, but enough battery core spacing are needed, and to have good air circulation to reinforce radiating, but anti-in existing battery core mould group
Water requires the today being continuously improved, and the radiating condition of mould group is worse and worse, to carry out by analogue simulation and to battery modules
Prolong and burn needle thorn experimental verification, for the Pack mould group of current high-volume battery core, the battery core spacing within 3mm only leans on air heat to transmit
It largely effective can not carry out blocking out of control.
Summary of the invention
It is simple it is an object of the invention to provide a kind of structure in place of overcoming the deficiencies in the prior art described above, it is practical
Novel electric core fire prevention cylinder.
The present invention realizes in the following way:
A kind of Novel electric core fire prevention cylinder, it is characterised in that: including fire proof construction and diaphragm structure, the fire proof construction includes
Prevent fires cylinder, the fire prevention cylinder by the assembly cylinder that is in contact with battery core surface and with the discontiguous heat-insulated cylinder in battery core surface
Composition, the width of the heat-insulated cylinder are greater than the width of assembly cylinder；The assembly cylinder is connected with heat-insulated cylinder, assembles cylinder
Chamfering or round-corner transition are used between body and heat-insulated cylinder；The end of the assembly cylinder is equipped with axial to battery core progress and radial
Position constraint, and the nickel sheet fitting groove of assembly located space is provided to nickel sheet；The diaphragm structure include and assembly barrel end
The connecting plate ontology being connected, the connecting plate ontology are equipped with the dashpot to match with assembly cylinder；The dashpot
Edge has extended outward to form isolation ring；The outer surface of the isolation ring is matched with the inner surface of assembly cylinder；The buffering
Several relief holes are equipped in slot.
Further, the depth of the assembly cylinder is less than the depth of heat-insulated cylinder；The assembly cylinder is cylinder
Slot.
Further, the cross section of the heat-insulated cylinder is round or polygon.
Further, the assembly cylinder is equipped with to lock screw hole, stud, button bit, side screw hole.
Further, the connecting plate ontology is equipped with the mounting hole being connected with assembly cylinder.
Further, the outside of the dashpot is equipped with reinforcing rib.
The beneficial effects of the present invention are: structure is simple, and design rationally, flexibly using assembly, walks safety to battery core heat cruelly
Protective performance is good.
Detailed description of the invention
Fig. 1 present invention fire prevention tube structure main view；
Fig. 2 present invention fire prevention tube structure rearview；
Fig. 3 present invention fire prevention tube structure cross-sectional view；
Fig. 4 diaphragm structure structural front view of the present invention；
Fig. 5 diaphragm structure structure rearview of the present invention；
Fig. 6 use state structural perspective of the present invention；
Fig. 7 use state structure sectional view of the present invention.
Specific embodiment
To keep the purposes, technical schemes and advantages of embodiment of the present invention clearer, implement below in conjunction with the present invention
The technical solution in embodiment of the present invention is clearly and completely described in attached drawing in mode, it is clear that described reality
The mode of applying is some embodiments of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ability
Domain those of ordinary skill every other embodiment obtained without creative efforts, belongs to the present invention
The range of protection.Therefore, the detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit below and is wanted
The scope of the present invention of protection is sought, but is merely representative of selected embodiment of the invention.Based on the embodiment in the present invention,
Every other embodiment obtained by those of ordinary skill in the art without making creative efforts belongs to this
Invent the range of protection.
In the description of the present invention, it should be noted that term " on ", "lower", "inner", "outside" " front end ", " rear end ",
The orientation or positional relationship of the instructions such as " both ends ", " one end ", " other end " is to be based on the orientation or positional relationship shown in the drawings, only
It is that for the convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must have specifically
Orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " the
Two " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " is set
Be equipped with ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
Embodiment:
A kind of Novel electric core fire prevention cylinder, as shown in figure 1, figure 2, figure 3, figure 4 and figure 5, including fire proof construction and diaphragm structure,
Fire proof construction and diaphragm structure use the fire-retardant material of high-temperature insulation；Fire proof construction include fire prevention cylinder 1, fire prevention cylinder 1 by
It the assembly cylinder 11 that is in contact with battery core surface and is formed with the discontiguous heat-insulated cylinder 12 in battery core surface, the width of heat-insulated cylinder 12
Degree is greater than the width of assembly cylinder 11；Assembly cylinder 11 is connected with heat-insulated cylinder 12, assemble cylinder 11 and heat-insulated cylinder 12 it
Between use chamfering or round-corner transition；The depth for assembling cylinder 11 is less than the depth of heat-insulated cylinder 12；Assembling cylinder 11 is cylinder
Shape slot；The cross section of heat-insulated cylinder 12 is round or polygon；The end for assembling cylinder 11, which is equipped with, carries out axial direction and diameter to battery core
The nickel sheet fitting groove 13 of assembly located space is provided to position constraint, and to nickel sheet；Diaphragm structure include and assembly 11 end of cylinder
The connecting plate ontology 2 that portion is connected, connecting plate ontology 2 are equipped with the dashpot 21 to match with assembly cylinder 11；Dashpot 21
Edge extended outward to form isolation ring 22；The outer surface of the isolation ring 22 is matched with the inner surface of assembly cylinder 11；
It is equipped with several relief holes 23 in dashpot 21, is used for pressure release.
In the present embodiment, assembly cylinder 11 is equipped with to lock screw hole 14, stud 15, button bit 16, side screw hole 17.To lock spiral shell
Wire hole 14 makes may be used also to solid battery core, stud 15 and button bit 16 is locked for assembling fixed BMS by screw between fire prevention cylinder
To allow the mould group organized to be securedly mounted in equipment.
In the present embodiment, connecting plate ontology 2 is equipped with the mounting hole 24 being connected with assembly cylinder 11；Outside dashpot 21
Side is equipped with reinforcing rib 25, increases stability.
In the present embodiment, as shown in Figure 1, Figure 6, Figure 7, fire prevention cylinder 1 is by the assembly cylinder 11 that is in contact with battery core surface
Formed with the discontiguous heat-insulated cylinder 12 in battery core surface, heat-insulated 12 depth of cylinder is deeper, can wrap up battery core, but with battery core table
Face is not directly contacted with, and there are certain spaces for storing air, and heat-insulated 12 cross section of cylinder can be designed as circle, can also be with
It is designed as polygonal in form according to the actual situation, uses chamfering or round-corner transition between heat-insulated cylinder 12 and assembly cylinder 11, it can
There is guiding performance when allowing battery core to be packed into, is easier to assemble；An economize on electricity core occur it is abnormal it is hot walk cruelly when, failure battery core can issue largely
Heat, this heat first heats the air of thermal insulation areas 3 at this time, and since air thermal conductivity itself is poor, high fever passes through
Fire prevention cylinder 1 is reached after the air transmitted of thermal insulation areas 3, prevents fires cylinder 1 when delivering heat to the thermal insulation areas 3 of adjacent battery core, itself
Absorb partial heat and be conducted to diaphragm structure, and adjacent battery core is after itself 3 air barrier of thermal insulation areas, temperature again under
Drop, thus the high fever for issuing abnormal battery core, after 3 grades of transmitting, the heat at adjacent battery core is reduced to 130 degree of safety temperature
Degree avoids prolonging and burns phenomenon appearance hereinafter, to guarantee that adjacent battery core will not be damaged.
In the present embodiment, dashpot 21 effect be battery core heat cruelly walk when, battery core anode by the excessive rupture of pressure, battery core
When internal high temperature high pressure matter sprays, a barrier and buffer function are played, avoids this high temperature substrate is upright from connecing ejection and be diffused in battery
Inside, causing adjacent battery core temperature is more than 130 degree of electric core membrane damage temperature, so that adjacent battery core is damaged chain heat and walks cruelly；In addition,
Design has the rib ring being higher by form isolation ring 22, the internal diameter phase of diameter and nickel sheet fitting groove 13 on dashpot 21
Together, it can be inserted in nickel sheet fitting groove 13 when assembly, by the space partition at every battery core nickel sheet, avoid high temperature and pressure substance slow
Jet-bedding 21 is transmitted to from adjacent battery core after being obstructed from the gap of nickel sheet fitting groove 13, is damaged chain heat and is walked cruelly；It is buffering
Slot 21 offers several relief holes 23, for discharging the pressure in dashpot 21, avoids hypertonia that mould group is caused to explode.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (6)
- The cylinder 1. a kind of Novel electric core is prevented fires, it is characterised in that: including fire proof construction and diaphragm structure, the fire proof construction includes anti- Fiery cylinder (1), fire prevention cylinder (1) are discontiguous by the assembly cylinder (11) that is in contact with battery core surface and with battery core surface Heat-insulated cylinder (12) composition, the width of the heat-insulated cylinder (12) are greater than the width of assembly cylinder (11)；The assembly cylinder (11) it is connected with heat-insulated cylinder (12), assembles and use chamfering or round-corner transition between cylinder (11) and heat-insulated cylinder (12)；Institute The end for stating assembly cylinder (11), which is equipped with, axially constrain with radial positioning to battery core, and provides assembly located space to nickel sheet Nickel sheet fitting groove (13)；The diaphragm structure includes the connecting plate ontology (2) being connected with assembly cylinder (11) end, described Connecting plate ontology (2) is equipped with the dashpot (21) to match with assembly cylinder (11)；The edge of the dashpot (21) is outside Isolation ring (22) are extended to form；The outer surface of the isolation ring (22) is matched with the inner surface of assembly cylinder (11)；It is described Several relief holes (23) are equipped in dashpot (21).
- The cylinder 2. a kind of Novel electric core according to claim 1 is prevented fires, it is characterised in that: the depth of assembly cylinder (11) Less than the depth of heat-insulated cylinder (12)；The assembly cylinder (11) is cylindrical groove.
- The cylinder 3. a kind of Novel electric core according to claim 2 is prevented fires, it is characterised in that: the heat-insulated cylinder (12) it is transversal Face is round or polygon.
- The cylinder 4. a kind of Novel electric core according to claim 1 is prevented fires, it is characterised in that: the assembly cylinder (11) is equipped with To lock screw hole (14), stud (15), button bit (16), side screw hole (17).
- The cylinder 5. a kind of Novel electric core according to claim 1 is prevented fires, it is characterised in that: set on the connecting plate ontology (2) There is the mounting hole (24) being connected with assembly cylinder (11).
- The cylinder 6. a kind of Novel electric core according to claim 1 is prevented fires, it is characterised in that: set on the outside of the dashpot (21) There are reinforcing rib (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810602287.3A CN109037516B (en) | 2018-06-12 | 2018-06-12 | Novel electricity core fire prevention section of thick bamboo |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810602287.3A CN109037516B (en) | 2018-06-12 | 2018-06-12 | Novel electricity core fire prevention section of thick bamboo |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109037516A true CN109037516A (en) | 2018-12-18 |
| CN109037516B CN109037516B (en) | 2024-02-02 |
Family
ID=64612822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810602287.3A Active CN109037516B (en) | 2018-06-12 | 2018-06-12 | Novel electricity core fire prevention section of thick bamboo |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109037516B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008097959A (en) * | 2006-10-11 | 2008-04-24 | Hitachi Vehicle Energy Ltd | Battery pack, sub-module, and module |
| CN201194240Y (en) * | 2008-04-03 | 2009-02-11 | 达振能源股份有限公司 | Cell assembling rack |
| CN201194239Y (en) * | 2008-04-03 | 2009-02-11 | 达振能源股份有限公司 | Cell kit |
| CN202167553U (en) * | 2011-05-23 | 2012-03-14 | 苏州达方电子有限公司 | Battery assembling kit |
| CN103117364A (en) * | 2011-09-29 | 2013-05-22 | 索尼公司 | Battery pack, electricity accumulation system, electronic instrument, electric vehicle, and electric power system |
| CN103311473A (en) * | 2012-03-09 | 2013-09-18 | 丰田合成株式会社 | Battery holder |
| CN203218339U (en) * | 2013-02-21 | 2013-09-25 | 许祎凡 | Safe storage battery |
| TWM529945U (en) * | 2016-06-03 | 2016-10-01 | Td Hitech Energy Inc | Assembled battery rack structure |
| CN107078364A (en) * | 2014-05-21 | 2017-08-18 | 凯尊创新有限公司 | The lithium ion battery protected with thermal runaway |
| JP2018045919A (en) * | 2016-09-15 | 2018-03-22 | 三洋電機株式会社 | Battery pack |
| CN107925024A (en) * | 2016-01-21 | 2018-04-17 | 松下知识产权经营株式会社 | Battery module |
| CN208271987U (en) * | 2018-06-12 | 2018-12-21 | 福建云众动力科技有限公司 | A kind of Novel electric core fire prevention cylinder |
-
2018
- 2018-06-12 CN CN201810602287.3A patent/CN109037516B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008097959A (en) * | 2006-10-11 | 2008-04-24 | Hitachi Vehicle Energy Ltd | Battery pack, sub-module, and module |
| CN201194240Y (en) * | 2008-04-03 | 2009-02-11 | 达振能源股份有限公司 | Cell assembling rack |
| CN201194239Y (en) * | 2008-04-03 | 2009-02-11 | 达振能源股份有限公司 | Cell kit |
| CN202167553U (en) * | 2011-05-23 | 2012-03-14 | 苏州达方电子有限公司 | Battery assembling kit |
| CN103117364A (en) * | 2011-09-29 | 2013-05-22 | 索尼公司 | Battery pack, electricity accumulation system, electronic instrument, electric vehicle, and electric power system |
| CN103311473A (en) * | 2012-03-09 | 2013-09-18 | 丰田合成株式会社 | Battery holder |
| CN203218339U (en) * | 2013-02-21 | 2013-09-25 | 许祎凡 | Safe storage battery |
| CN107078364A (en) * | 2014-05-21 | 2017-08-18 | 凯尊创新有限公司 | The lithium ion battery protected with thermal runaway |
| CN107925024A (en) * | 2016-01-21 | 2018-04-17 | 松下知识产权经营株式会社 | Battery module |
| TWM529945U (en) * | 2016-06-03 | 2016-10-01 | Td Hitech Energy Inc | Assembled battery rack structure |
| JP2018045919A (en) * | 2016-09-15 | 2018-03-22 | 三洋電機株式会社 | Battery pack |
| CN208271987U (en) * | 2018-06-12 | 2018-12-21 | 福建云众动力科技有限公司 | A kind of Novel electric core fire prevention cylinder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109037516B (en) | 2024-02-02 |
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