CN208271987U - A kind of Novel electric core fire prevention cylinder - Google Patents
A kind of Novel electric core fire prevention cylinder Download PDFInfo
- Publication number
- CN208271987U CN208271987U CN201820906236.5U CN201820906236U CN208271987U CN 208271987 U CN208271987 U CN 208271987U CN 201820906236 U CN201820906236 U CN 201820906236U CN 208271987 U CN208271987 U CN 208271987U
- 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.)
- Withdrawn - After Issue
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
- 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
- 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
- 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
-
- 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
- Primary Cells (AREA)
Abstract
It prevents fires cylinder the utility model 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 utility model structure is simple, and design rationally, flexibly using assembly, it is good to walk security protection performance to battery core heat cruelly.
Description
Technical field
The utility model 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.
Utility model content
It is simple that a kind of structure is provided the purpose of the utility model is to overcome above-mentioned shortcoming in the prior art, it is real
Novel electric core fire prevention cylinder.
The utility model is realized 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 utility model has the beneficial effects that: structure is simple, design rationally, flexibly using assembly, is walked battery core heat cruelly
Security protection performance is good.
Detailed description of the invention
Fig. 1 the utility model fire prevention tube structure main view;
Fig. 2 the utility model fire prevention tube structure rearview;
Fig. 3 the utility model fire prevention tube structure cross-sectional view;
Fig. 4 the utility model diaphragm structure structural front view;
Fig. 5 the utility model diaphragm structure structure rearview;
Fig. 6 the utility model use state structural perspective;
Fig. 7 the utility model use state structure sectional view.
Specific embodiment
It is practical below in conjunction with this to keep the purposes, technical schemes and advantages of the utility model embodiment clearer
The technical solution in the utility model embodiment is clearly and completely described in attached drawing in novel embodiment, shows
So, described embodiment is a part of embodiment of the utility model, rather than whole embodiments.It is practical based on this
Embodiment in novel, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment is fallen within the protection scope of the utility model.Therefore, the implementation to the utility model provided in the accompanying drawings below
The detailed description of mode is not intended to limit the range of claimed invention, but is merely representative of the utility model
Selected embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative labor
Every other embodiment obtained under the premise of dynamic, fall within the protection scope of the utility model.
In the description of the present invention, it should be noted that term " on ", "lower", "inner", "outside" " front end ", " after
The orientation or positional relationship of the instructions such as end ", " both ends ", " one end ", " other end " is that orientation based on the figure or position are closed
System, is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition,
Term " first ", " second " 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 " is pacified
Dress ", " being provided with ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, be also possible to detachably connect
It connects, or is integrally connected;It can be mechanical connection, be also possible to be electrically connected;It can be directly connected, intermediate matchmaker can also be passed through
Jie is indirectly connected, and can be the connection inside two elements.It for the ordinary skill in the art, can be with concrete condition
Understand the concrete meaning of above-mentioned 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 the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other related technical areas are also included in the patent protection scope of the utility model.
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 |
---|---|---|---|
CN201820906236.5U CN208271987U (en) | 2018-06-12 | 2018-06-12 | A kind of Novel electric core fire prevention cylinder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820906236.5U CN208271987U (en) | 2018-06-12 | 2018-06-12 | A kind of Novel electric core fire prevention cylinder |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208271987U true CN208271987U (en) | 2018-12-21 |
Family
ID=64688724
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201820906236.5U Withdrawn - After Issue CN208271987U (en) | 2018-06-12 | 2018-06-12 | A kind of Novel electric core fire prevention cylinder |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN208271987U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109037516A (en) * | 2018-06-12 | 2018-12-18 | 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 CN201820906236.5U patent/CN208271987U/en not_active Withdrawn - After Issue
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109037516A (en) * | 2018-06-12 | 2018-12-18 | 福建云众动力科技有限公司 | A kind of Novel electric core fire prevention cylinder |
CN109037516B (en) * | 2018-06-12 | 2024-02-02 | 福建云众动力科技有限公司 | Novel electricity core fire prevention section of thick bamboo |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP2781877B1 (en) | Compression molded combination fireworks | |
CN107887550A (en) | A kind of aerosol cellular board for preventing the extension of electrokinetic cell thermal runaway and its application | |
CN109962190B (en) | Battery pack and vehicle | |
CN208271987U (en) | A kind of Novel electric core fire prevention cylinder | |
CN106170320A (en) | Spark arrester | |
CN205845560U (en) | Fireproof cable | |
CN209056524U (en) | A kind of battery pack with thermal expansion adiabatic apparatus | |
CN109037516A (en) | A kind of Novel electric core fire prevention cylinder | |
CN109585746A (en) | Conductive handle protective plate, safety battery, battery modules, battery case and vehicle | |
CN212161953U (en) | Cylindrical lithium ion battery steel shell with explosion-proof valve structure | |
CN216022833U (en) | Fire extinguishing device | |
CN110137583A (en) | Safe lithium battery | |
CN113241718B (en) | Cable intermediate head | |
CN217606892U (en) | Fire extinguishing device, battery box and battery | |
CN104344769B (en) | It ignites part and part group of igniting | |
CN107248565B (en) | Active high_voltage isolation battery case and its dynamic high_voltage isolation connector | |
CN105910507A (en) | Caseless cartridge | |
CN205582982U (en) | Column secondary battery | |
CN106014689A (en) | Thermal protection and assembling structure for head of long-time working hybrid rocket engine | |
CN109301097A (en) | A kind of fire retardant elastic automobile storage battery shell | |
CN212676394U (en) | Lithium battery pack with flame retardant effect | |
CN205297497U (en) | It explodes device to be used for ultra -temperature, superhigh pressure oil gas well perforation to pass with time delay | |
CN211907052U (en) | Cable fire prevention fire-retardant structure and cable subassembly | |
CN106229441A (en) | A kind of set of cells explosion-proof technology | |
CN207384645U (en) | A kind of extinguishing device being fixed on inside new energy electric car battery case |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20181221 Effective date of abandoning: 20240202 |
|
AV01 | Patent right actively abandoned |
Granted publication date: 20181221 Effective date of abandoning: 20240202 |
|
AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned |