CN108461684A - New energy commercial vehicle battery packet and electric vehicle - Google Patents
New energy commercial vehicle battery packet and electric vehicle Download PDFInfo
- Publication number
- CN108461684A CN108461684A CN201810319171.9A CN201810319171A CN108461684A CN 108461684 A CN108461684 A CN 108461684A CN 201810319171 A CN201810319171 A CN 201810319171A CN 108461684 A CN108461684 A CN 108461684A
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- Prior art keywords
- liquid
- liquid cooling
- cooling plate
- battery
- battery modules
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- 239000007788 liquid Substances 0.000 claims abstract description 208
- 238000001816 cooling Methods 0.000 claims abstract description 115
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 230000003993 interaction Effects 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 8
- 230000017525 heat dissipation Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 239000002184 metal Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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
- H01M50/20—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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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 present embodiments relate to battery technical field of heat dissipation, in particular to a kind of new energy commercial vehicle battery packet and electric vehicle.The new energy commercial vehicle battery packet includes babinet, the liquid cooled module with multiple liquid cooling plates, sealing ring, closure member, multiple confluence parts and multiple battery modules, babinet includes the accommodating cavity with opening, liquid cooled module is set in accommodating chamber, each battery modules fixation fits in each liquid cooling plate, each confluence part is staggered between multiple battery modules, each confluence part is electrically connected with each two battery modules to form the modular structure having there are two free end, sealing ring is set to open edge, and closure member is fastened on position of the sealing ring far from open edge.The new energy commercial vehicle battery packet can carry out battery local specific aim heat management, improve thermal management effect.
Description
Technical field
The present embodiments relate to battery technical field of heat dissipation, in particular to a kind of new energy commercial vehicle battery packet
And electric vehicle.
Background technology
The quality of important component of the battery pack as new energy electric motor vehicle, performance directly determines new energy electric motor vehicle
It can normally, safely run.In the process of work, battery can generate heat battery pack, if temperature is excessively high, may influence battery
The normal work of module even damages battery modules.The existing most effect of technology that heat management is carried out to battery is bad.
Invention content
In view of this, the present invention provides a kind of new energy commercial vehicle battery packet and electric vehicle, can realize to battery
Local specific aim heat management, improves the effect of heat management.
To achieve the above object, an embodiment of the present invention provides a kind of new energy commercial vehicle battery packets, including：Babinet, tool
There are liquid cooled module, sealing ring, closure member, multiple confluence parts and the multiple battery modules of multiple liquid cooling plates；
The first side of the babinet, which is provided with, adjusts liquid interaction portion and the first battery interface, the second side of the babinet
It is provided with the second battery interface, the first side and the second side are opposite；The babinet includes with the accommodating of opening
Chamber；
The liquid cooled module be set in the accommodating cavity and with the bottom side of being fixed on the babinet, the liquid cooled module is
Hollow structure, the liquid cooled module are connected to adjusting liquid interaction portion；Each battery modules are placed in the accommodating cavity simultaneously
Fixation fits in each position of the liquid cooling plate far from the bottom side；
Each confluence part is staggered between the multiple battery modules, described in each confluence part and each two
Battery modules are electrically connected to form the modular structure having there are two free end；Wherein, each battery modules are electrically connected
Two confluence parts differ；One free end is electrically connected with first battery interface, another is described certainly
It is electrically connected by end and second battery interface；
The sealing ring is set to the open edge, and the closure member is fastened on the sealing ring far from the opening edge
The position of edge.
Optionally, the middle part of the babinet extends to side to form protrusion, and the accommodating cavity where the protrusion is
Main accommodating cavity, the accommodating cavity close to first side are first time accommodating cavity, and the accommodating cavity close to the second side is second
Accommodating cavity, the main accommodating cavity, the first time accommodating cavity and second of accommodating cavity interconnect；
The liquid cooled module includes the first liquid cooling plate, the second liquid cooling plate, third liquid cooling plate and multiple connecting lines；Described
One liquid cooling plate, second liquid cooling plate and the third liquid cooling plate are hollow structure, first liquid cooling plate, described second
Liquid cooling plate is connected to the third liquid cooling plate by each connecting line；
First liquid cooling plate is set to the first time accommodating cavity, and it is accommodating that second liquid cooling plate is set to the master
Chamber, the third liquid cooling plate are set to second of accommodating cavity, first liquid cooling plate, second liquid cooling plate and described
Three liquid cooling plates are fixedly connected with the bottom side；First liquid cooling plate is connected to adjusting liquid interaction portion.
Optionally, multiple battery modules include multiple first battery modules, multiple second battery modules and multiple
Three battery modules；
Each first battery modules are set to the first time accommodating cavity, and each first battery modules fixation fits in
The position of first liquid cooling plate far from the bottom side；
Each second battery modules are set to the main accommodating cavity, and each second battery modules fixation fits in described
Position of second liquid cooling plate far from the bottom side；
Each third battery modules are set to second of accommodating cavity, and each third battery modules fixation fits in
The position of the third liquid cooling plate far from the bottom side.
Optionally, the connecting line being connected between first liquid cooling plate and second liquid cooling plate is provided with opening and closing dress
It sets, the connecting line being connected between second liquid cooling plate and the third liquid cooling plate is provided with opening and closing device.
Optionally, first liquid cooling plate is provided with the first inlet and the first liquid outlet；It wraps in adjusting liquid interaction portion
It includes feed liquor portion and goes out liquid portion；
First inlet is connected to the feed liquor portion by the first connecting line, first liquid outlet and described the
Two liquid cooling plates are connected to by the second connecting line；
Second connecting line is provided with opening and closing device.
Optionally, second liquid cooling plate is provided with the second inlet and the second liquid outlet；
Second inlet is connected to first liquid outlet by second connecting line, second liquid outlet
It is connected to by third connecting line with the third liquid cooling plate；
The third connecting line is provided with opening and closing device.
Optionally, the third liquid cooling plate is provided with third inlet and third liquid outlet；
The third inlet is connected to second liquid outlet by the third connecting line, the third liquid outlet
With it is described go out liquid portion be connected to by the 4th connecting line.
Optionally, the new energy commercial vehicle battery packet further includes cell managing device, power cut-off device and explosion-proof valve；
The cell managing device is set to the first time accommodating cavity, and the cell managing device is fixedly connected on two
The position of first battery modules far from the liquid cooling plate；It is the cell managing device and each first battery modules, each
Second battery modules and each third battery modules are electrically connected；
The power cut-off device is set to second of accommodating chamber, and the power cut-off device is fixedly connected on described
The inner wall of second side；The power cut-off device be electrically connected at another described free end and second battery interface it
Between；
The explosion-proof valve is embedded at the third side of the babinet, the inside and outside company of the explosion-proof valve and the babinet
It is logical.
Optionally, the first side is embedded with communication interface；
The communication interface is communicated to connect with the cell managing device.
The embodiment of the present invention additionally provides a kind of electric vehicle, including above-mentioned new energy commercial vehicle battery packet；Wherein, new energy
Commercial vehicle battery packet is fixed in the electric vehicle.
New energy commercial vehicle battery packet and electric vehicle provided in an embodiment of the present invention, each liquid cooling plate can be to pasting therewith
The battery of conjunction cools down, and realizes the local specific aim heat management to entire new energy commercial vehicle battery packet, improves heat pipe
Manage effect.
Further, the first liquid cooling plate, the second liquid cooling plate, third liquid cooling plate, multiple connecting lines, opening and closing device and opening and closing
Device is worked in coordination, and can be oriented heat management to the battery modules in different zones, and adjusting liquid is avoided to flow over
Thermal losses in journey further improves heat management efficiency.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
A kind of structural schematic diagram for new energy commercial vehicle battery packet that Fig. 1 is provided by the embodiment of the present invention.
A kind of structural schematic diagram for babinet that Fig. 2 is provided by the embodiment of the present invention.
A kind of structural schematic diagram for liquid cooled module that Fig. 3 is provided by the embodiment of the present invention.
The structural schematic diagram that a kind of battery modules that Fig. 4 is provided by the embodiment of the present invention are connected with confluence part.
A kind of first visual angle of new energy commercial vehicle battery packet that Fig. 5 is provided by the embodiment of the present invention is intended to.
Icon：100- new energy commercial vehicle battery packets；1- babinets；11- first sides；The first battery interfaces of 111-；112-
It adjusts liquid and interacts mouth；113- communication interfaces；1121- feed liquor portions；1122- goes out liquid portion；12- second sides；The second batteries of 121- connect
Mouthful；13- is open；The bottom sides 14-；151- first time accommodating cavities；The main accommodating cavities of 152-；Second of accommodating cavity of 153-；16- fixed parts；
2- liquid cooled modules；The first liquid cooling plates of 21-；The first inlets of 211-；The first liquid outlets of 212-；The second liquid cooling plates of 22-；221- second
Inlet；The second liquid outlets of 222-；23- third liquid cooling plates；231- third inlets；232- third liquid outlets；241- first connects
Take over road；The second connecting lines of 242-；243- third connecting lines；The 4th connecting lines of 244-；245- opening and closing devices；3- is sealed
Circle；4- closure members；5- battery modules；The first battery modules of 51-；The second battery modules of 52-；53- third battery modules；54- converges
Flow part；6- fixing pieces；71- cell managing devices；72- power cut-off devices；73- explosion-proof valves.
Specific implementation mode
The quality of important component of the battery pack as new energy electric motor vehicle, performance directly determines new energy electric motor vehicle
It can normally, safely run.In the process of work, battery can generate heat battery pack, if temperature is excessively high, may influence battery
The normal work of module even damages battery modules.The existing most effect of technology that heat management is carried out to battery is bad.
Inventor has found that the bad reason of existing battery thermal management technique effect essentially consists in battery through experiment and analysis
The inhomogeneities of fever needs to drop this percentage of batteries at this time for example, the local cell temperature liter in battery modules is excessively high
Temperature, and existing liquid cooling apparatus is integral type mostly：It can not accomplish local cooling, will appear a problem in this way, if being located at
The battery of liquid cooling apparatus rear end needs to cool down, and can cool down to the battery of front end when adjusting front end of the liquid by liquid cooling apparatus,
However, additional accident may be caused by blindly cooling down to the battery of normal use.To sum up, existing liquid cooling apparatus
It is difficult to and local heat management is carried out to battery modules, and then cause thermal management effect bad.
Defect present in the above scheme in the prior art, is that inventor is obtaining after putting into practice and carefully studying
As a result, therefore, the solution that the discovery procedure of the above problem and the hereinafter embodiment of the present invention are proposed regarding to the issue above
Scheme all should be the contribution that inventor makes the present invention in process of the present invention.
Based on the studies above, an embodiment of the present invention provides a kind of new energy commercial vehicle battery packet and electric vehicles, pass through tool
There is the liquid cooled module of multiple liquid cooling plates to realize the heat management to the battery modules of different zones, improves heat management efficiency.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment only
It is a part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings
The component of embodiment can be arranged and be designed with a variety of different configurations.
Therefore, below the detailed description of the embodiment of the present invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiments of the present invention, this field is common
The every other embodiment that technical staff is obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the present invention unless specifically defined or limited otherwise, term " setting ", " connected ", " connection " are answered
It is interpreted broadly, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；Can be that machinery connects
It connects, can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary in two elements
The connection in portion.For the ordinary skill in the art, the tool of above-mentioned term in the present invention can be understood with concrete condition
Body meaning.
Fig. 1 shows a kind of structural schematic diagram for new energy commercial vehicle battery packet 100 that the embodiment of the present invention is provided, should
Commercial vehicle battery packet system 100 includes babinet 1, liquid cooled module, sealing ring 3, closure member 4, multiple confluence parts, multiple battery modules
With multiple fixing pieces.
Wherein, liquid cooled module is set to the inside of babinet 1 and the bottom side positioned at babinet 1, each part and each battery modules of converging
It is set to the inside of babinet 1, each battery modules are bonded with liquid cooled module.Each fixing piece 6 is set to the side of babinet 1, each fixation
Part 6 is for new energy commercial vehicle battery packet to be fixed in electric vehicle.
The new energy commercial vehicle battery packet 100 can carry out local specific aim by built-in liquid cooled module to battery modules
Heat dissipation improves thermal management effect, it will be understood that liquid cooled module includes multiple liquid cooling plates and multiple connecting lines, and liquid cooled module
Structure and connection type be also adapted with the shape of babinet, size, in order to explain structure and the connection of liquid cooled module in detail
Mode is below first described further the structure of babinet.
Referring to Fig. 2, a kind of structural schematic diagram of the babinet provided by the embodiment of the present invention, as seen from the figure, the babinet
First side 11 be provided with the first battery interface 111, adjust liquid interaction portion 112 and communication interface 113, the second side of the babinet
Face 12 is provided with the second battery interface 121.
Wherein, the confluence part and battery that the first battery interface 111 and the second battery interface 121 are electrically connected with completion respectively
Two free ends of the modular structure of module composition are electrically connected.It adjusts liquid interaction portion 112 to be connected to liquid cooled module, adjusting liquid can
To inject liquid cooled module from adjusting liquid interaction portion 112, to realize heat management of the liquid cooled module to battery modules.
Please continue to refer to Fig. 2, babinet is provided with opening 13, and sealing element is fastened on the edge of opening 13, and closure member is fastened on
Position of the sealing ring far from open edge, to realize the sealing to babinet.Further, the middle part of babinet extends to side with shape
At protrusion, the accommodating cavity where the protrusion is main accommodating cavity 152, and the accommodating cavity close to first side is first time accommodating cavity
151, the accommodating cavity close to second side is second of accommodating cavity 153, wherein first time accommodating cavity 151,152 and of main accommodating cavity
Second of accommodating cavity 153 interconnects, and forms a "convex" shaped structure, the structure is for placing liquid cooled module and battery mould
Group.Further, the bottom side 14 of babinet is provided with fixed metal plate (not shown), for fixing liquid cooled module, fixed metal plate
It is set to bottom side 14, the structural strength of the bottom of box can be increased, shares the vibrations that electric vehicle generates in the process of running.
Please continue to refer to Fig. 2, the side of babinet is additionally provided with multiple fixed parts 16, and one end of each fixing piece 6 in Fig. 1 can
It is detachably connected with each fixed part 16 in Fig. 2, each fixing piece 6 one end and electric vehicle far from each fixed part in Fig. 1
Associated component is fixedly connected.So set, convenient for the installation and removal of entire new energy commercial vehicle battery packet.
Fig. 3 shows a kind of structural schematic diagram for liquid cooled module that the embodiment of the present invention is provided, as seen from the figure, the liquid cooling
Component 2 includes the first liquid cooling plate 21, the second liquid cooling plate 22, third liquid cooling plate 23 and multiple connecting lines.In the present embodiment, it is
Coordinated with the structure of babinet, the quantity of the first liquid cooling plate 21 is one, and the quantity of second liquid cooling plate 22 is two, third
The quantity of liquid cooling plate 23 is one, further, please refers to Fig. 2 and Fig. 3, the first liquid cooling plate 21 is fixed on accommodating for the first time
On the fixation metal plate of chamber 151, two the second liquid cooling plates 22 are fixed on the fixation metal plate of main accommodating cavity 152, third liquid cooling plate 23
It is fixed on the fixation metal plate of second of accommodating cavity 153, it will be understood that each liquid cooling plate can be to being arranged the battery on its surface
Module carries out heat management.
It should be appreciated that the quantity of the first liquid cooling plate 21, the second liquid cooling plate 22 and third liquid cooling plate 23 can be according to battery pack
Practical scale be adjusted, however it is not limited to the quantity that the present embodiment provides.
Further, in order to the local specific aim heat management of battery modules progress, it is also necessary to the company of connecting line
Relationship is connect centainly to be designed.Please continue to refer to Fig. 3, connecting line include the first connecting line 241, the second connecting line 242,
Third connecting line 243 and the 4th connecting line 244, wherein these connecting lines are realized and adjusted by being connected to each liquid cooling plate
Save directed flow of the liquid in connecting line and each liquid cooling plate.It is appreciated that the first liquid cooling plate 21, the second liquid cooling plate 22 and the
Three liquid cooling plates 23 are hollow structure, and adjusting liquid can circulate in hollow structure.
The connection type between each connecting line and each liquid cooling plate is further described below, continuing with ginseng
Read Fig. 3, the first liquid cooling plate 21 is provided with the first inlet 211 and the first liquid outlet 212, the second liquid cooling plate 22 be provided with second into
Liquid mouth 221 and the second liquid outlet 222, third liquid cooling plate 23 are provided with third inlet 231 and third liquid outlet 232.Wherein,
One inlet 211 is connected to the feed liquor portion 1121 for adjusting liquid interaction portion, and the first inlet 212 is connected to the second connecting line 242,
Second connecting line 242 is connected to two the second inlets 221 respectively, further, one of them second liquid outlet 222 and
Three connecting lines 243 are connected to, and third connecting line 243 is connected to 231 with third inlet again, and third liquid outlet 232 and the 4th connects
The connection of road 244 is taken over, the 4th connecting line 244, which is divided into, not to be connected with the first connecting line 241 and another second liquid outlet 222
It is logical, it is thusly-formed the pipeline structure interconnected, wherein it is directed to the connection structure of the liquid cooled module, the first connecting line 241,
Second connecting line 242, third connecting line 243 and the 4th connecting line 244 are both provided with opening and closing device 245, opening and closing device
245 to the adjusting liquid for injecting the first connecting line 241 for playing guide functions.
How will realize local heat management with the liquid cooled module 2 in specific example definition graph 3 below.
When needing to carry out heat management to all battery modules being arranged on three liquid cooling plates, adjusts liquid and pass through feed liquor portion
1121 enter the first connecting lines 241, at this point, being set to the opening and closing device 245 of the first connecting line 241 by the first connecting line
241 block with the access of the 4th connecting line 244, and the flow direction for adjusting liquid is：First inlet 211, the first liquid cooling plate 21, first
Liquid outlet 212, the second connecting line 242 are located at the second inlet, the second liquid positioned at right side of second liquid cooling plate 22 on right side
Cold plate 22, the second liquid outlet of the second liquid cooling plate 22 positioned at right side, third connecting line 243, third inlet 231, third
Liquid cooling plate 23, third liquid outlet 232, the 4th connecting line 244, the second inlet of the second liquid cooling plate 22 positioned at left side, position
In the second liquid outlet, the 4th connecting line 244 of second liquid cooling plate 22 in left side, finally from go out liquid portion 1122 flow out.
Above-mentioned adjusting liquid stream to the flow direction to radiate for all battery modules, in another example, if only needing to first
The battery modules being arranged on liquid cooling plate 21 carry out heat management, opening on the first connecting line 241 and the second connecting line 242
Closing device 245 can be acted, and related pathways are blocked, and adjusted liquid at this time and only recycled by the first liquid cooling plate, can
Reach local specific aim heat management.
It is appreciated that the heat management for each liquid cooling plate coordinates, correlation can be carried out to each opening and closing device 245 and set
It sets, does not illustrate more herein.
Optionally, please continue to refer to Fig. 3, each liquid cooling plate be provided on one side for fixing battery mould far from babinet bottom side
The placement hole of group, battery modules can be set to these placement holes.
The present embodiment has carried out the optimization in connection type also directed to multiple battery modules, referring to Fig. 4, real for the present invention
Apply the structural schematic diagram that a kind of battery modules that example is provided are connected with confluence part.As seen from the figure, battery modules 5 include multiple the
One battery modules 51, multiple second battery modules 52 and multiple third battery modules 53, in the present embodiment, the first battery modules
51, the quantity of the second battery modules 52 and third battery modules 53 is respectively four, six and one.
Fig. 3 and Fig. 4 are please referred to, each first battery modules 51 are set to first time accommodating cavity, each first battery modules
51 fixations fit in the first liquid cooling plate 21.Each second battery modules 52 are set to main accommodating cavity, and each second battery modules 52 are fixed
Fit in the second liquid cooling plate 22.Third battery modules 53 are set to second of accommodating cavity, and the fixation of third battery modules 53 fits in
Third liquid cooling plate 23.
Further, respectively confluence part 54 is staggered between multiple battery modules 5, each part 54 and each two electricity of converging
Pond module 5 is electrically connected to form the modular structure having there are two free end.Wherein, the two of the electric connection of each battery modules 5
A confluence part 54 differs, and a free end is electrically connected with the first battery interface, another free end and the second battery interface
It is electrically connected.The structural strength that multiple battery modules 5 can be increased by the interlaced arrangement for the part 54 that converges, does not need additional
The structure of fixed battery modules, reduces manufacturing cost.
Further, referring to Fig. 5, the first of a kind of new energy commercial vehicle battery packet provided by the embodiment of the present invention
Visual angle schematic diagram, as seen from the figure, the new energy commercial vehicle battery packet further include cell managing device 71,72 and of power cut-off device
Explosion-proof valve 73.
Wherein, cell managing device 71 is set to first time accommodating cavity, and cell managing device 71 is fixedly connected on two
Position of one battery modules far from liquid cooling plate, cell managing device 71 and each first battery modules, each second battery modules and each
Third battery modules are electrically connected, and further, cell managing device 71 is communicated to connect with communication interface, cell managing device 71
Function mainly the parameters such as the voltage, electric current and temperature of battery are detected in real time and control it always in the work of permission
In parameter area, while test constantly is carried out to battery system insulation resistance, cell managing device 71 passes through CAN bus and vehicle
Controller, charger etc. carry out real-time Communication for Power, and SOC (state-of-charge) and failure are warned.
Further, power cut-off device 72 is set to second of accommodating chamber, and power cut-off device 72 is fixedly connected on
The inner wall of two side faces, power cut-off device 72 are electrically connected between another free end and the second battery interface.Dump
The function of device 72 is mainly turned off, is closed major loop and preliminary filling circuit, major loop and preliminary filling circuit are switched over and be led to
Disconnected control；The transient current in charge and discharge process is acquired, to judge charging and discharging state；Battery pack is exported by power cut-off device
End connection high voltage interface carries out charge and discharge to battery pack.It is appreciated that the first battery interface and the second battery interface are high-voltage connecting
Mouthful.
Explosion-proof valve 73 is embedded at the third side of babinet, and explosion-proof valve is connected to the inside and outside of babinet.Explosion-proof valve 73 can
Air pressure excessive in release battery pack in time, and can prevent quick-fried caused by the pressure increased rapidly in battery pack when thermal run away
It is fried.
On this basis, the embodiment of the present invention additionally provides a kind of electric vehicle, including above-mentioned new energy commercial vehicle battery packet.
Wherein it is possible to which two new energy commercial vehicle battery packets are applied in combination, it is set in an electric vehicle, by two new energy commercializations
The high voltage interface of vehicle battery pack is electrically connected, and is connected to the corresponding interface of electric vehicle, is realized the power supply to electric vehicle, is being supplied
In electric process, liquid cooled module can carry out the battery in battery pack local specific aim heat management, improve the use of battery pack
Reliability, and then ensure that the driving safety of electric vehicle.
To sum up, the new energy commercial vehicle battery packet and electric vehicle that the embodiment of the present invention is provided, have multiple liquid cooling plates and
The liquid cooled module of connecting line can carry out battery local specific aim heat management, improve heat management efficiency, and then ensure that
The use reliability of battery pack.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of new energy commercial vehicle battery packet, which is characterized in that including：It is babinet, the liquid cooled module with multiple liquid cooling plates, close
Seal, closure member, multiple confluence parts and multiple battery modules；
The first side of the babinet, which is provided with, adjusts liquid interaction portion and the first battery interface, the second side setting of the babinet
There are the second battery interface, the first side and the second side opposite；The babinet includes the accommodating cavity with opening；
The liquid cooled module be set in the accommodating cavity and with the bottom side of being fixed on the babinet, the liquid cooled module is hollow
Structure, the liquid cooled module are connected to adjusting liquid interaction portion；Each battery modules are placed in the accommodating cavity and fixation
Fit in each position of the liquid cooling plate far from the bottom side；
Each confluence part is staggered between the multiple battery modules, each confluence part and battery described in each two
Module is electrically connected to form the modular structure having there are two free end；Wherein, the two of each battery modules electric connection
A confluence part differs；One free end is electrically connected with first battery interface, another described free end
It is electrically connected with second battery interface；
The sealing ring is set to the open edge, and the closure member is fastened on the sealing ring far from the open edge
Position.
2. new energy commercial vehicle battery packet according to claim 1, which is characterized in that prolong to side at the middle part of the babinet
It stretches to form protrusion, the accommodating cavity where the protrusion is main accommodating cavity, and the accommodating cavity close to first side is for the first time
Accommodating cavity, close to the second side accommodating cavity be second of accommodating cavity, the main accommodating cavity, the first time accommodating cavity and
Second of accommodating cavity interconnects；
The liquid cooled module includes the first liquid cooling plate, the second liquid cooling plate, third liquid cooling plate and multiple connecting lines；First liquid
Cold plate, second liquid cooling plate and the third liquid cooling plate are hollow structure, first liquid cooling plate, second liquid cooling
Plate is connected to the third liquid cooling plate by each connecting line；
First liquid cooling plate is set to the first time accommodating cavity, and second liquid cooling plate is set to the main accommodating cavity, institute
It states third liquid cooling plate and is set to second of accommodating cavity, first liquid cooling plate, second liquid cooling plate and the third liquid
Cold plate is fixedly connected with the bottom side；First liquid cooling plate is connected to adjusting liquid interaction portion.
3. new energy commercial vehicle battery packet according to claim 2, which is characterized in that multiple battery modules include more
A first battery modules, multiple second battery modules and multiple third battery modules；
Each first battery modules are set to the first time accommodating cavity, and each first battery modules fixation fits in described
Position of first liquid cooling plate far from the bottom side；
Each second battery modules are set to the main accommodating cavity, and each second battery modules fixation fits in described second
Position of the liquid cooling plate far from the bottom side；
Each third battery modules are set to second of accommodating cavity, and each third battery modules fixation fits in described
Position of the third liquid cooling plate far from the bottom side.
4. new energy commercial vehicle battery packet according to claim 2, which is characterized in that be connected to first liquid cooling plate and
Connecting line between second liquid cooling plate is provided with opening and closing device, is connected to second liquid cooling plate and the third liquid cooling
Connecting line between plate is provided with opening and closing device.
5. new energy commercial vehicle battery packet according to claim 2, which is characterized in that first liquid cooling plate is provided with
One inlet and the first liquid outlet；Adjusting liquid interaction portion includes feed liquor portion and goes out liquid portion；
First inlet is connected to the feed liquor portion by the first connecting line, first liquid outlet and second liquid
Cold plate is connected to by the second connecting line；
Second connecting line is provided with opening and closing device.
6. new energy commercial vehicle battery packet according to claim 5, which is characterized in that second liquid cooling plate is provided with
Two inlets and the second liquid outlet；
Second inlet is connected to first liquid outlet by second connecting line, second liquid outlet and institute
Third liquid cooling plate is stated to be connected to by third connecting line；
The third connecting line is provided with opening and closing device.
7. new energy commercial vehicle battery packet according to claim 6, which is characterized in that the third liquid cooling plate is provided with
Three inlets and third liquid outlet；
The third inlet is connected to second liquid outlet by the third connecting line, the third liquid outlet and institute
Liquid portion is stated out to be connected to by the 4th connecting line.
8. new energy commercial vehicle battery packet according to claim 3, which is characterized in that the new energy commercial vehicle battery packet
Further include cell managing device, power cut-off device and explosion-proof valve；
The cell managing device is set to the first time accommodating cavity, and the cell managing device is fixedly connected on described in two
Position of first battery modules far from the liquid cooling plate；It is the cell managing device and each first battery modules, each described
Second battery modules and each third battery modules are electrically connected；
The power cut-off device is set to second of accommodating chamber, and the power cut-off device is fixedly connected on described second
The inner wall of side；The power cut-off device is electrically connected between another described free end and second battery interface；
The explosion-proof valve is embedded at the third side of the babinet, and the explosion-proof valve is connected to the inside and outside of the babinet.
9. new energy commercial vehicle battery packet according to claim 4, which is characterized in that the first side is embedded with communication
Interface；
The communication interface is communicated to connect with the cell managing device.
10. a kind of electric vehicle, which is characterized in that including the claims 1-9 any one of them new energy commercial vehicle batteries
Packet；
New energy commercial vehicle battery packet is fixed in the electric vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810319171.9A CN108461684A (en) | 2018-04-10 | 2018-04-10 | New energy commercial vehicle battery packet and electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810319171.9A CN108461684A (en) | 2018-04-10 | 2018-04-10 | New energy commercial vehicle battery packet and electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108461684A true CN108461684A (en) | 2018-08-28 |
Family
ID=63234545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810319171.9A Pending CN108461684A (en) | 2018-04-10 | 2018-04-10 | New energy commercial vehicle battery packet and electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108461684A (en) |
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