CN208173678U - A kind of high-energy density liquid cooling battery modules - Google Patents
A kind of high-energy density liquid cooling battery modules Download PDFInfo
- Publication number
- CN208173678U CN208173678U CN201820894046.6U CN201820894046U CN208173678U CN 208173678 U CN208173678 U CN 208173678U CN 201820894046 U CN201820894046 U CN 201820894046U CN 208173678 U CN208173678 U CN 208173678U
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- energy density
- liquid cooling
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- 239000007788 liquid Substances 0.000 title claims abstract description 36
- 238000001816 cooling Methods 0.000 title claims abstract description 28
- 238000004880 explosion Methods 0.000 claims abstract description 25
- 238000004804 winding Methods 0.000 claims abstract description 7
- 239000003292 glue Substances 0.000 claims description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 239000000741 silica gel Substances 0.000 claims description 12
- 229910002027 silica gel Inorganic materials 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 10
- 229910000743 fusible alloy Inorganic materials 0.000 claims description 9
- 239000003063 flame retardant Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 230000005496 eutectics Effects 0.000 claims 1
- 230000000712 assembly Effects 0.000 abstract description 5
- 238000000429 assembly Methods 0.000 abstract description 5
- 230000035939 shock Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000002265 prevention Effects 0.000 abstract description 3
- 239000002360 explosive Substances 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 239000003446 ligand Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000000499 gel Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 230000003116 impacting effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001535 kindling effect Effects 0.000 description 1
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- 238000000034 method Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009466 transformation 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 kind of high-energy density liquid cooling battery modules, pass through the heat-exchange tube that winding is close between battery assembly, it not only can be absorbed and take away the heat of battery assembly generation, and battery assembly can also suitably be heated in low temperature environment, so that battery assembly works within the scope of suitable temperature, battery assembly is avoided to lead to thermal runaway because radiating not in time；In addition, since each battery assembly is separated by fixing piece interval, when some battery assembly thermal runaway explosion time, other battery assemblies are unaffected and avoid the problem that generating chain explosion, therefore, there is the utility model excellent fire prevention, waterproof, the security performance of anticollision and against shock to effectively reduce production and assembly cost furthermore the utility model improves the structure of conventional batteries mould group.
Description
【Technical field】
The utility model relates to the field of batteries of electric vehicle, electric airplane and energy storage device, especially a kind of to have safety
The high high-energy density liquid cooling battery modules of performance.
【Background technique】
With the production of fossil energy and the approaching peak of consumption and gradually tend to exhausted, the following environmental pollution is increasingly
Seriously, the energy system based on renewable energy is gradually forming.Energy industry is transported and made in Present Global face the energy
Under the huge challenge of problem of environmental pollution, develop new energy electric motor vehicle, electric airplane and energy storage strategic transformation, in the world
Through reaching common understanding.From the point of view of automobile industry energy-saving and emission-reduction trend, developing new energy conservation and new-energy automobile is automotive engineering progress
With the inevitable choice of industrial upgrading.
Power battery module refers to that battery core is fixed after device by series-parallel mode group merging and provides electricity for electric vehicle
The assembly of energy is one of composition battery pack structure.According to the planform of battery core, cylindrical electrical core can be divided into, rectangular cell and
Soft-package battery.
However, in the prior art, it is bad all to there is heat dissipation effect in many battery modules, and when single battery because thermal runaway is easy
Cause chain explosion, and does not have the security performances such as safe and reliable fire prevention, waterproof, anticollision, against shock.
The utility model is researched and proposed in view of the deficiencies of the prior art.
【Utility model content】
The technical problem to be solved by the present invention is to provide a kind of high-energy density liquid cooling battery modules, by battery
The heat-exchange tube that winding is close between assembly not only can be absorbed and take away the heat of battery assembly generation, but also can also
Battery assembly is suitably heated in low temperature environment, so that battery assembly works within the scope of suitable temperature, is kept away
Exempting from battery assembly leads to thermal runaway because radiating not in time；In addition, due to each battery assembly by fixing piece interval every
It opens, when some battery assembly thermal runaway explosion time, other battery assemblies are unaffected and avoid generating chain explosion
Problem, therefore, the utility model have excellent fire prevention, waterproof, the security performance of anticollision and against shock, furthermore the utility model
The structure for improving conventional batteries mould group effectively reduces production and assembly cost.
In order to solve the above technical problems, a kind of high-energy density liquid cooling battery modules of the utility model, it is characterised in that packet
Include shell 1, fixing piece be equipped in the shell 1, be alternatively arranged battery assembly 3 on the fixing piece, in the shell 1 and
Winding is glued with heat-exchange tube 4 between each 3 side of battery assembly, and 4 both ends of heat-exchange tube stretch out in shell 1
Outside to carry out heat exchange to battery assembly 3 so that passing through heat-exchange tube 4 for connecting with heat-exchange system.
A kind of high-energy density liquid cooling battery modules as described above, the battery assembly 3 include single battery/battery core 31
It with battery sleeve 32,32 upper and lower opening of battery sleeve and is made of heat-conducting, 31 outer surface of the single battery/battery core coating
Or heat-conducting glue is coated with so that being in close contact connection between single battery/battery core 31 and battery sleeve 3, the heat-exchange tube 4 is straight
Connect or can be tightly attached to heat conduction indirectly 3 lateral surface of battery sleeve.
A kind of high-energy density liquid cooling battery modules as described above, the fixing piece include being arranged at intervals with battery installation
The upper mounted plate 21 and bottom plate 22 in hole 23,3 upper and lower end of battery assembly are accordingly installed on upper mounted plate 21 and lower solid
In the battery settling hole 23 of fixed board 22, it is respectively equipped with and leads between 1 inside of fixed plate 21 and bottom plate 22 and shell
Battery plate 24 and lower conducting plate 25, the 3 upper and lower end electrode of battery assembly are accordingly electrically connected with upper conductive plate 24 and lower conducting plate 25
It connects, through-hole 26 corresponding with 23 position of battery settling hole is equipped on the upper conductive plate 24 and lower conducting plate 25, it is each described
The insulating cover 27 having when 3 explosion time of battery assembly can be opened by impact is fastened on through-hole 26.
A kind of high-energy density liquid cooling battery modules as described above, the upper conductive plate 24 and 25 outer surface of lower conducting plate apply
Cover or be coated with the insulation glue-line for being insulated from each other conducting wire thereon.
A kind of high-energy density liquid cooling battery modules as described above, the heat-exchange tube 4 are with the flat of a plurality of microchannel
Pipe, 4 side of heat-exchange tube are equipped with wavy surface 41 for fitting with 32 side of battery sleeve, outside each battery sleeve 32
Side is connected with corresponding wavy surface 41 by heat-conducting glue hydropexis.
A kind of high-energy density liquid cooling battery modules as described above, the upper conductive plate 24 and lower conducting plate 25 and shell 1
The seal clearance 28 for filling fire retardant matter is respectively formed between inside.
A kind of high-energy density liquid cooling battery modules as described above, the shell 1 include frame 11, upper cover 12 and lower cover
14, the upper cover 12 and lower cover medial surface have been coated or covered with glue-line or have been lined with film, the upper cover 12 and lower cover 14 and frame
Sealing rubber ring is equipped between 11 upper and lower opening, the upper cover 12 and lower cover 14 are connected by support column 13 and be fastened on frame 11
In corresponding opening.
A kind of high-energy density liquid cooling battery modules as described above, 1 outer surface of shell has been coated or covered with adiabatic gum.
A kind of high-energy density liquid cooling battery modules as described above, 24 He of 1 medial surface of shell and/or upper conductive plate
25 surface insulation of lower conducting plate hiding is equipped with the low-melting alloy conducting wire 29 for being electrically connected with battery assembly 3, the low melting point
The fusing point of alloy lead wire 29 is 80 DEG C -100 DEG C.
A kind of high-energy density liquid cooling battery modules as described above further include being coated with to be fixed on by the silica gel that insulate
Voltage sensor and temperature sensor in shell 1 for the battery management system electrical connection outside battery modules.
Compared with prior art, a kind of high-energy density liquid cooling battery modules described in the utility model have following excellent
Point：
1, heat-exchange tube winding is tightly attached between battery assembly, through driving liquid heat-conducting medium in heat-exchange tube
Flowing is allowed to carry out heat exchange with battery assembly, therefore, on the one hand can take away the heat of battery assembly generation, avoid electricity
The heat dissipation of pond assembly it is bad and the problem of lead to thermal runaway；On the other hand, when the utility model makes in low temperature rugged environment
Used time, heat-exchange tube can carry out heating appropriate to battery assembly, battery assembly allowed to work in the temperature of setting.
2, each battery assembly is assembled by the battery sleeve that single battery/battery core and upper and lower ends are open, and is spaced
It is mounted on fixing piece in a row, through-hole corresponding with battery assembly end is equipped on upper conductive plate and lower conducting plate,
When normal use, through-hole fastening has an insulating cover, therefore when explosion time occurs thermal runaway and in single battery/battery core, explosive force is then
Insulating cover is washed open along the vertical both ends of battery sleeve, is avoided and is laterally exploded and impacting adjacent battery assembly leads to chain explosion
The phenomenon that, brisance minimum is efficiently controlled, the danger coefficient of its explosion is reduced, ensures user and surrounding peace
Entirely.
3, it is formed with seal clearance between inside and upper conductive plate and lower conducting plate above and below shell, and in the seal clearance
Interior filling fire retardant matter, when single battery/battery core due to thermal runaway explosion time, after generated high temperature explosive washes insulating cover open
It mixes to impact again with fire retardant matter into seal clearance and opens shell, therefore, which can prevent high temperature explosive in shell
Kindling in vivo, avoids influencing other battery assemblies, further decreases the danger coefficient of explosion.
4, heat-exchange tube is flat tube, is equipped with wavy surface, is come into full contact with, therefore can mentioned by wavy surface and battery sleeve lateral surface
Heat exchanger effectiveness is carried out between high battery sleeve and heat-exchange tube.
5, it is connected between heat-exchange tube and battery sleeve by heat-conducting glue hydropexis, is allowed to permanently contact, not only ensure
Heat exchange is effectively performed, but also all battery assemblies are connected and fixed and are integral, and forms similar honeycomb structure,
Loosening is avoided, and improves the mechanical coupling strength of battery modules.
6, after single battery/battery core outer surface coated with thermally conductive glue in interference fit ground insertion battery sleeve, and due to heat-conducting glue
With the physical characteristic expanded with heat and contract with cold, therefore, not only single battery/battery core is fixed in battery sleeve by the heat-conducting glue, and
And single battery/battery core and heat-exchange tube is effectively made to carry out heat exchange.
7, it is coated with insulation glue-line in upper conductive plate and lower conducting plate outer surface, the conducting wire in it is made by the insulation glue-line
It is insulated from each other, short circuit is caused to catch fire or be exploded when avoiding being knocked；And other intracorporal all conductors of shell are coated with
Therefore insulating cement when shell is opened immersion in water, can avoid the intracorporal single battery/battery core of each battery assembly and connect
Touching water and short circuit occurs causes to generate spark or explosion, therefore, have the function of waterproof, anticollision.
It 8, is 80 DEG C -100 DEG C by the way that fusing point is arranged in case inside face and/or upper conductive plate and lower conducting plate surface
Low-melting alloy conducting wire, when battery modules receive shock or temperature is higher than 80 DEG C, which then fuses immediately,
Electric discharge will be automatically closed in each battery assembly, therefore can prevent thermal runaway from catching fire or exploding, and further increase the peace used
Full performance.
9, the outer surface of shell is coated with adiabatic gum, not only plays sealing waterproof action to battery modules entirety outer surface,
And can effectively completely cut off extraneous heat and conduct to battery modules, guarantee each single battery/battery core in the temperature model of safety
Interior work is enclosed to use.
10, the voltage sensor and temperature sensor coated in shell by insulating cement, is further advanced by cell tube
Reason system carries out examinations to battery modules, it is ensured that battery modules stable and reliable operation.
【Detailed description of the invention】
Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawing, wherein：
Fig. 1 is the schematic perspective view of the utility model.
Fig. 2 is the top view of the utility model.
Fig. 3 is the side view of the utility model.
Fig. 4 is cross-sectional view of the Fig. 2 along the direction M-M.
Fig. 5 is cross-sectional view of the Fig. 2 along the direction H-H.
Fig. 6 is the enlarged view that Fig. 5 marks K.
Fig. 7 is the schematic diagram of the utility model heat-exchange tube cross section and connector.
Fig. 8 is the explosive view of the utility model.
Fig. 9 be the utility model in low-melting alloy wire arrangements upper conductive plate surface schematic diagram.
【Specific embodiment】
1-9 elaborates to the embodiments of the present invention with reference to the accompanying drawing.
As shown in figs 1-9, a kind of high-energy density liquid cooling battery modules of the utility model, including shell 1, the shell 1
It is interior to be equipped with fixing piece, battery assembly 3 is alternatively arranged on the fixing piece, the shell 1 is interior and is located at each battery dress
Winding is glued with heat-exchange tube 4 between 3 side of ligand, and it is outer to be used for and heat exchange that 4 both ends of heat-exchange tube stretch out in shell 1
System connection, so that carrying out heat exchange to battery assembly 3 by heat-exchange tube 4.Heat-exchange tube winding is tightly attached to battery dress
Between ligand, drives liquid heat-conducting medium to flow in heat-exchange tube by recycling the pump housing accordingly, be allowed to and battery assembly
Heat exchange is carried out, therefore, on the one hand can take away the heat of battery assembly generation, avoids the heat dissipation of battery assembly bad and causes
The problem of thermal runaway；On the other hand, when the utility model in low temperature rugged environment in use, heat-exchange tube can fill battery
Ligand carries out heating appropriate, and battery assembly is allowed to work in the temperature of setting, which is 25 ± 5 DEG C.
The battery assembly 3 include single battery/battery core 31 and battery sleeve 32,32 upper and lower opening of battery sleeve and by
Heat-conducting is made, and the utility model battery sleeve is made of the aluminium of thin-walled, and the battery sleeve of aluminum is by each single battery/electricity
Core separates and protection, and when single battery/battery core thermal runaway explosion time, high temperature explosive is then only gone out from battery sleeve both ends open,
It avoids impacting adjacent single battery/battery core and generating chain explosion；31 outer surface of single battery/battery core enters to be coated with
Heat-conducting glue so that being in close contact connection between single battery/battery core 31 and battery sleeve 3, adopt by heat-conducting glue described in the utility model
With heat conductive silica gel, the heat-exchange tube 4 can directly or indirectly be tightly attached to 3 lateral surface of battery sleeve with heat conduction.Outside single battery/battery core
After the coated with thermally conductive glue of surface, when being assembled with battery sleeve, for interference fit connection, expand with heat and contract with cold since heat conductive silica gel has
Therefore single battery/battery core is not only fixed in battery sleeve, but also effectively make list by physical characteristic by the heat conductive silica gel
Body battery/battery core and heat-exchange tube carry out heat exchange.
The fixing piece includes the upper mounted plate 21 and bottom plate 22 for being arranged at intervals with battery settling hole 23, the electricity
Assembly 3 upper and lower end in pond is accordingly installed in the battery settling hole 23 of upper mounted plate 21 and bottom plate 22, fixed plate
Conductive plate 24 and lower conducting plate 25, the battery assembly 3 are respectively equipped between 21 and 1 inside of bottom plate 22 and shell
Upper and lower end electrode is accordingly electrically connected with upper conductive plate 24 and lower conducting plate 25, i.e., is connected by corresponding fuse or safety plate,
Through-hole 26 corresponding with 23 position of battery settling hole, each through-hole are equipped on the upper conductive plate 24 and lower conducting plate 25
The insulating cover 27 having when 3 explosion time of battery assembly can be opened by impact is fastened on 26, insulating cover 27 uses low-density silica gel system
At, it is ensured that explosion time can be easy to be rushed to open.Battery assembly passes through the battery settling hole 23 of upper mounted plate 21 and bottom plate 22
After positioning, upper conductive plate 24 and 25 corresponding lid of lower conducting plate are on upper mounted plate 21 and bottom plate 22, so that through-hole and battery
Mounting hole coaxial arrangement, in normal use, through-hole fastening has insulating cover, therefore when thermal runaway occurs in single battery/battery core
And explosion time, explosive force then wash insulating cover open along the vertical both ends of battery sleeve, avoid laterally explosion and impact adjacent battery
Assembly leads to the phenomenon that chain explosion, efficiently controls brisance minimum, reduces the danger coefficient of its explosion, ensures
User and surrounding safety.
What the conducting wire that the upper conductive plate 24 and 25 outer surface of lower conducting plate are coated with for making thereon was insulated from each other
Insulate glue-line, which is layer of silica gel, is insulated from each other the conducting wire in it by the insulation glue-line, therefore, can keep away
Exempt from conducting wire short circuit when battery modules are knocked to cause to catch fire or explode；Meanwhile other intracorporal all conductors of shell are coated with absolutely
Therefore edge glue when shell is opened immersion in water, can avoid each battery and assemble intracorporal single battery/battery core contact
Water and short circuit occurs causes to generate spark or explosion, therefore, have the function of waterproof, anticollision.
In order to improve heat exchanger effectiveness, the heat-exchange tube 4 is flat tube, as shown in fig. 7, being axially arranged in the flat tube along it
The a plurality of microchannel separated independently of each other stream of the liquid heat-conducting medium in heat-exchange tube is effectively accelerated using a plurality of microchannel
Dynamic speed, then since that there are flowing velocities is poor for the liquid heat-conducting medium in each microchannel, further increase heat exchanger effectiveness.Separately
Outside, it is micro- still not to be influenced after the blocking of a certain microchannel as heat-exchange tube 4 using the flat tube with a plurality of microchannel for other
Liquid heat-conducting medium flowing in channel, therefore the problem of blocking and influencing heat exchange can be prevented, have heat exchange efficiently and reliable
Stable feature.4 side of heat-exchange tube is equipped with the wavy surface 41 for fitting with 32 side of battery sleeve, this is practical new
In type, preferably each 32 lateral surface of the battery sleeve is connected with corresponding wavy surface 41 by heat-conducting glue hydropexis, the heat-conducting glue
Water is heat conductive silica gel, is permanently connected 4 side of heat-exchange tube and 32 side of battery sleeve by heat conductive silica gel, not only really
Heat exchange is effectively performed in guarantor, but also all battery assemblies are connected and fixed and are integral, and forms similar honeycomb knot
Structure avoids loosening, and improves the mechanical coupling strength of battery modules.
The upper conductive plate 24 and lower conducting plate 25 and shell are respectively formed between 1 inside for filling fire retardant matter
Seal clearance 28, the fire retardant matter that the utility model middle cover seal clearance 28 is filled is nitrogen, when single battery/battery core because heat is lost
Control and explosion time, generated high temperature explosive, which is washed open to enter seal clearance after insulating cover and mix to impact again with nitrogen, opens shell
Body, since nitrogen is not supported to burn, high temperature explosive can be prevented to catch fire in shell, avoid influencing other battery assembly
Body further decreases the danger coefficient of explosion.
The shell 1 includes frame 11, upper cover 12 and lower cover 14, and the upper cover 12 and 14 medial surface of lower cover are coated with glue-line
Or it is lined with film, sealing rubber ring 15, the upper cover 12 are equipped between the upper cover 12 and lower cover 14 and the upper and lower opening of frame 11
It is connected and is fastened in 11 corresponding opening of frame by support column 13 with lower cover, so that battery modules are similar to sandwich structure
Assembly.When a certain single battery/battery core explosion time, since the impact force of instant of detonation is very big, upper cover and lower cover are corresponding
Position is then jacked up and is broken through, and high temperature explosive burns in air therewith going out.
1 outer surface of shell has been coated or covered with adiabatic gum, and adiabatic gum uses heat-insulated silica gel in the utility model, in shell
1 outer surface of body coats adiabatic gum, not only plays sealing waterproof action to battery modules entirety outer surface, but also can effectively completely cut off outer
The heat on boundary is conducted to battery modules, guarantees that each single battery/battery core works use within the scope of the temperature of safety.
The medial surface of the upper cover and lower cover of the shell 1 is equipped with low-melting alloy conducting wire 29, while also in upper conductive plate 24
With lower conducting plate 25 be equipped with low-melting alloy conducting wire 29, and low-melting alloy conducting wire 29 by insulation gel coated, avoid and its
Its conductor shorted contacts, the low-melting alloy conducting wire 29 are electrically connected with battery assembly 3, and the low-melting alloy conducting wire 29 melts
Point is 80 DEG C -100 DEG C.When battery modules receive shock or temperature is higher than 80 DEG C, which then fuses immediately,
Electric discharge will be automatically closed in each battery assembly, therefore can prevent thermal runaway from catching fire or exploding, and further increase the peace used
Full performance.
In addition, a kind of high-energy density liquid cooling battery modules of the utility model, further include by insulation gel coated or painting
The voltage sensor and temperature sensor being fixed in shell 1 for the battery management system electrical connection outside battery modules are covered, is led to
Overvoltage sensor and temperature sensor are further advanced by battery management system and carry out examinations to battery modules, it is ensured that
Battery modules stable and reliable operation.
When the utility model is used, the both ends of heat-exchange tube are accordingly attached with the circulation pump housing of heat-exchange system, right
It is used in general environment, heat-exchange system is by the circulation lower liquid heat-conducting medium of pump housing driving temperature in heat-exchange tube
Flowing, each single battery/battery core carries out corresponding charge or discharge work, and accordingly generates heat, which passes sequentially through
Heat conductive silica gel, battery sleeve, heat conductive silica gel and heat-exchange tube are conducted to the liquid heat-conducting medium of flowing, finally with liquid heat-conducting medium
It scatters and disappears in into heat-exchange system.
Claims (10)
1. a kind of high-energy density liquid cooling battery modules, it is characterised in that including shell (1), be equipped with and fix in the shell (1)
Part has been alternatively arranged battery assembly (3) on the fixing piece, in the shell (1) and is located at each battery assembly (3)
Winding is glued with heat-exchange tube (4) between side, and heat-exchange tube (4) both ends stretch out in shell (1) outside for handing over heat
System connection is changed, so that carrying out heat exchange to battery assembly (3) by heat-exchange tube (4).
2. a kind of high-energy density liquid cooling battery modules according to claim 1, it is characterised in that the battery assembly (3)
Including single battery/battery core (31) and battery sleeve (32), battery sleeve (32) upper and lower opening and it is made of heat-conducting, it is described
Single battery/battery core (31) outer surface has been coated or covered with heat-conducting glue so that single battery/battery core (31) and battery sleeve (32)
Between be in close contact connection, the heat-exchange tube (4) can directly or indirectly be tightly attached to battery sleeve (32) lateral surface with heat conduction.
3. a kind of high-energy density liquid cooling battery modules according to claim 1, it is characterised in that the fixing piece includes equal
It is arranged at intervals with the upper mounted plate (21) and bottom plate (22) of battery settling hole (23), battery assembly (3) upper and lower end
The battery settling hole (23) for being accordingly installed on upper mounted plate (21) and bottom plate (22) is interior, fixed plate (21) and lower solid
Conductive plate (24) and lower conducting plate (25), the battery assembly (3) are respectively equipped between on the inside of fixed board (22) and shell (1)
Upper and lower end electrode is accordingly electrically connected with upper conductive plate (24) and lower conducting plate (25), the upper conductive plate (24) and lower conducting plate
(25) it is equipped with through-hole (26) corresponding with battery settling hole (23) position on, fastens to have on each through-hole (26) and works as battery
The insulating cover (27) that assembly (3) explosion time can be opened by impact.
4. a kind of high-energy density liquid cooling battery modules according to claim 3, it is characterised in that the upper conductive plate (24)
The insulation glue-line for being insulated from each other conducting wire thereon is coated or covered with lower conducting plate (25) outer surface.
5. a kind of high-energy density liquid cooling battery modules according to claim 2, it is characterised in that the heat-exchange tube (4) is
Flat tube with a plurality of microchannel, heat-exchange tube (4) side are equipped with the wave for fitting with battery sleeve (32) side
Face (41), each battery sleeve (32) lateral surface are connected with corresponding wavy surface (41) by heat-conducting glue hydropexis.
6. a kind of high-energy density liquid cooling battery modules according to claim 3, it is characterised in that the upper conductive plate (24)
The seal clearance (28) for filling fire retardant matter is respectively formed between lower conducting plate (25) and shell (1) inside.
7. a kind of high-energy density liquid cooling battery modules according to claim 6, it is characterised in that the shell (1) includes side
Frame (11), upper cover (12) and lower cover (14), the upper cover (12) and lower cover (14) medial surface are coated with glue-line or are lined with film, institute
State between upper cover (12) and lower cover (14) and the upper and lower opening of frame (11) be equipped with sealing rubber ring (15), the upper cover (12) and under
Lid (14) is fastened in frame (11) corresponding opening by support column (13) connection.
8. a kind of high-energy density liquid cooling battery modules according to claim 1, it is characterised in that shell (1) outer surface
It has been coated or covered with adiabatic gum.
9. a kind of high-energy density liquid cooling battery modules according to claim 3, it is characterised in that shell (1) medial surface
And/or upper conductive plate (24) and lower conducting plate (25) surface insulation hiding are equipped with the eutectic for being electrically connected with battery assembly (3)
Point alloy lead wire (29), the fusing point of the low-melting alloy conducting wire (29) are 80 DEG C -100 DEG C.
10. any one of -9 a kind of high-energy density liquid cooling battery modules according to claim 1, it is characterised in that further include leading to
It crosses insulation silica gel and is coated with the voltage biography being fixed in shell (1) for the battery management system electrical connection outside battery modules
Sensor and temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820894046.6U CN208173678U (en) | 2018-06-11 | 2018-06-11 | A kind of high-energy density liquid cooling battery modules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820894046.6U CN208173678U (en) | 2018-06-11 | 2018-06-11 | A kind of high-energy density liquid cooling battery modules |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208173678U true CN208173678U (en) | 2018-11-30 |
Family
ID=64365266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820894046.6U Expired - Fee Related CN208173678U (en) | 2018-06-11 | 2018-06-11 | A kind of high-energy density liquid cooling battery modules |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108574073A (en) * | 2018-06-11 | 2018-09-25 | 美创兴国际有限公司 | A kind of high-energy density liquid cooling battery modules |
| CN109980315A (en) * | 2019-02-26 | 2019-07-05 | 重庆金康动力新能源有限公司 | Battery component and its assembly method |
| WO2023169149A1 (en) * | 2022-03-08 | 2023-09-14 | 宁德时代新能源科技股份有限公司 | Thermal protection component, battery, and electric apparatus |
-
2018
- 2018-06-11 CN CN201820894046.6U patent/CN208173678U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108574073A (en) * | 2018-06-11 | 2018-09-25 | 美创兴国际有限公司 | A kind of high-energy density liquid cooling battery modules |
| CN109980315A (en) * | 2019-02-26 | 2019-07-05 | 重庆金康动力新能源有限公司 | Battery component and its assembly method |
| WO2023169149A1 (en) * | 2022-03-08 | 2023-09-14 | 宁德时代新能源科技股份有限公司 | Thermal protection component, battery, and electric apparatus |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181130 |