CN106207072B - Battery pack lug cooling structure, battery pack and the vehicle with the battery pack - Google Patents
Battery pack lug cooling structure, battery pack and the vehicle with the battery pack Download PDFInfo
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- CN106207072B CN106207072B CN201610825764.3A CN201610825764A CN106207072B CN 106207072 B CN106207072 B CN 106207072B CN 201610825764 A CN201610825764 A CN 201610825764A CN 106207072 B CN106207072 B CN 106207072B
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- Prior art keywords
- lug
- battery pack
- support arm
- conductive block
- cooling structure
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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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
-
- 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
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- 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
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
-
- 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
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The present invention provides battery pack lug cooling structure, battery pack and with the vehicle of the battery pack.Battery pack lug cooling structure includes：Lug connector, lug connector are used to be electrically connected the lug of two adjacent battery cores of battery pack；Insulating heat-conductive block, insulating heat-conductive block is provided with holding tank, holding tank has the first surface being mutually parallel and second surface and connects the third surface of first surface and second surface, and, the interconnecting piece of lug connector and the lug of battery core is clamped in holding tank, so that at least the side surface forming face opposite with two of interconnecting piece contacts respectively for first surface and second surface, by the heat derives generated at lug to insulating heat-conductive block；And liquid cooling plate, liquid cooling plate is contacted with insulating heat-conductive block forming face, and coolant liquid can flow through liquid cooling plate, to cool down insulating heat-conductive block.Battery pack with the battery pack lug cooling structure the present invention also provides in and the vehicle at least one battery pack.
Description
Technical field
This disclosure relates to battery pack lug cooling structure, battery pack and tool with the battery pack lug cooling structure
There is the vehicle of at least one battery pack.
Background technology
In the world today, vehicle has become people's work and the essential vehicles of living, and along with stone
In short supply, environmental requirement the raising and the development of technology of oily resource, by entirely or partly being advanced using electric energy to drive
Vehicle it is more and more common.
Currently, in New-energy electric vehicle field, the power battery pack system type of cooling mainly has natural cooling, air-cooled
With three kinds of radiating modes of liquid cooling, wherein liquid cooling be generally divided into every battery core monomer surface heat dissipation and based on module bottom surface or its
The heat dissipation on its surface, for every battery core monomer surface liquid-cooling heat radiation, heat dissipation effect is best, but of high cost, space profit
It is poor with rate, and poor reliability.Heat dissipation based on module bottom surface or an other surface, it is easy to implement and at low cost, and
And space availability ratio is relatively high, but heat dissipation effect is relatively poor.Accordingly, there exist improve based on module bottom surface or an other table
The structure for the system that face is radiated is to improve the demand of its heat dissipation effect.
Invention content
One purpose of the disclosure is to provide a kind of improved battery pack lug liquid cooling structure.Another object of the present disclosure
There is provided a kind of battery pack with according to the battery pack lug cooling structure of the disclosure and with the vehicle of the battery pack.
According to the disclosure in a first aspect, present disclose provides a kind of battery pack lug cooling structures comprising：Lug connects
Fitting, the lug connector are used to be electrically connected the lug of two adjacent battery cores of battery pack；Insulating heat-conductive block, the insulation
Heat-conducting block is provided with holding tank, and the holding tank has the first surface being mutually parallel and second surface and connection described first
The third surface on surface and second surface, also, the interconnecting piece of the lug connector and the lug of the battery core is clamped in
In the holding tank so that at least described first surface and second surface respectively with two opposite side surfaces of the interconnecting piece
Forming face contacts, by the heat derives generated at the lug to the insulating heat-conductive block；And liquid cooling plate, the liquid cooling plate
It is contacted with the insulating heat-conductive block forming face, and coolant liquid can flow through the liquid cooling plate, to cool down the insulating heat-conductive
Block.By the battery pack lug cooling structure of the disclosure, the heat generated at the lug of battery core can efficiently be exported to
Insulating heat-conductive block, and liquid cooling plate is further exported to via insulating heat-conductive block, finally taken away by the cooling fluid for flowing through liquid cooling plate.
Thereby, it is possible to efficiently be radiated to battery core.Moreover, being controllably to change by the flow of the cooling fluid of liquid cooling plate
, thus regardless of the load of battery pack, the temperature of battery core can be maintained to the optimal operating temperature of battery core.
In the first aspect according to the disclosure, it is preferable that the lug connector is connected by welding to the lug.
In the first aspect according to the disclosure, it is preferable that the lug connector is contacted with the lug forming face, with
Just it reduces the resistance between lug connector and lug and improves the heat-conductive characteristic between lug connector and lug.
In the first aspect according to the disclosure, it is preferable that the first surface and the second surface and the connection
It is coated with heat-conducting glue between two opposite side surfaces in portion, thus, it is possible in first surface and second surface and the connection
Preferably thermo-contact is realized between two opposite side surfaces in portion, to improve heat dissipation performance.
In the first aspect according to the disclosure, it is preferable that at the joint surface of the liquid cooling plate and the insulating heat-conductive block
It is coated with heat-conducting glue, to realize better thermo-contact, to improve heat dissipation performance.
In the first aspect according to the disclosure, it is preferable that the third surface and the lug connector and the pole
The end face forming face contact of at least one of ear enhances heat dissipation effect to further increase heat transfer area.
In the first aspect according to the disclosure, it is preferable that the third surface and the lug connector and the pole
It is coated with heat-conducting glue between the end face of at least one of ear, to realize better thermo-contact, to improve heat dissipation performance.
In the first aspect according to the disclosure, it is preferable that the lug connector and the lug pass through supersonic welding
It connects, electric resistance welding or Laser Welding link together.
In the first aspect according to the disclosure, it is preferable that the lug connector is generally u-shaped, and includes mutual
Parallel first support arm and second support arm and the connection first support arm and second support arm and it is basically perpendicular to described first
The third support arm that support arm and second support arm extend, each lug connector are arranged between two adjacent battery cores so that institute
The first support arm and second support arm for stating lug connector are electrically connected with the lug of two adjacent battery cores respectively.
In the first aspect according to the disclosure, it is preferable that the insulating heat-conductive block is in substantially inverted U-shaped, and includes phase
Mutually parallel first support arm, second support arm and the connection first support arm and second support arm and basically perpendicular to described the
The third support arm that one support arm and second support arm extend, also, the holding tank includes the first holding tank and the second holding tank, and it is described
First holding tank is formed between the first support arm and the third support arm, and second holding tank is formed in described second
Between arm and the third support arm.
By the lug connector being generally u-shaped and in the cooperation of substantially inverted U-shaped insulating heat-conductive block, can further increase
Big thermocontact area is higher to improve heat dissipation.Moreover, the lug connector and insulating heat-conductive block structure of above-mentioned shape are simple, easy
In manufacturing and being easily assembled, to reduce manufacturing cost.
In the first aspect according to the disclosure, it is preferable that the upper surface of the third support arm of the insulating heat-conductive block has
Recess portion, and the lower surface of the liquid cooling plate has protrusion, and the protrusion is received in the recess portion, to increase the liquid
Contact area between cold plate and the insulating heat-conductive block.
The insulating heat-conductive block, the lug connector, the end battery core backplate with above structure and it is described in
Between battery core backplate constitute a kind of modular construction, this modular construction makes it possible to neatly adjust the cooling of battery pack lug
The structure of structure, to meet the needs of cooling battery core quantity.
According to the second aspect of the disclosure, present disclose provides a kind of battery pack, the battery pack includes at least two electricity
Core and battery pack lug cooling structure described above, the battery pack lug cooling structure are arranged at least two battery core
At least one of anode ear and negative electrode lug place.
In the second aspect according to the disclosure, it is preferable that the battery pack further include be located at two adjacent battery cores it
Between battery core backplate.
In the second aspect according to the disclosure, it is preferable that the battery core backplate includes limiting slot, for receiving the pole
The corresponding limiting section of ear connector or the insulating heat-conductive block.The same battery core backplate can connect battery core, lug as a result,
Part and insulating heat-conductive block play position-limiting action, thereby simplify structure, and reduce the quantity of the different components of battery pack.
In the second aspect according to the disclosure, it is preferable that the limiting slot and the lug connector or the insulation
It is coated with heat-conducting glue between the corresponding limiting section of heat-conducting block, to realize better thermo-contact, to improve heat dissipation performance.
According to the third aspect of the disclosure, present disclose provides a kind of vehicles, which is characterized in that the vehicle includes at least
One above-mentioned battery pack.
Description of the drawings
The disclosure described in being described in detail below with reference to the drawings, wherein running through the identical reference numeral table of attached drawing
Show same or analogous component.It is to be understood that the drawings are not necessarily drawn to scale, and attached drawing is served only for illustrating the disclosure
Exemplary embodiment, it should not be assumed that be the limitation to disclosure range.Wherein：
Fig. 1 shows the vehicle of one embodiment according to the disclosure；
Fig. 2 shows the stereogram exploded views according to the battery pack of one embodiment of the disclosure；
Fig. 2A shows the partial enlarged view in the portions A in Fig. 2；
Fig. 2 B show the enlarged drawing of the insulating heat-conductive block of battery pack；
Fig. 2 C show the enlarged drawing of the lug connector of battery pack；
Fig. 3 shows that the battery pack in Fig. 2 is in a side view of assembled state；
Fig. 4 shows the partial sectional view obtained along the B-B cutting lines in Fig. 3；With
Fig. 4 A show the partial enlarged view along the portions C in Fig. 4.
Specific implementation mode
The various exemplary embodiments of the disclosure are described in detail below with reference to the accompanying drawings.It is to be understood that various realities
The description for applying example is merely illustrative, not as any restrictions of the technology to the disclosure.
Term used herein, it is only for description specific embodiment, and it is not intended to limit the disclosure.On unless
Hereafter clearly it is further noted that " one " of singulative used herein and "the" are intended to equally include plural form.Also want
Understand, one word of " comprising " as used herein, illustrate there are pointed feature, entirety, step, operation, unit and/
Or component, but it is not excluded that in the presence of or increase one or more of the other feature, entirety, step, operation, unit and/or component
And/or combination thereof.
Referring now to Figure 1, Fig. 1 shows the schematic side elevation of the vehicle of one embodiment according to the disclosure.Usually
Ground, vehicle 10 may include vehicle body 12, multiple wheel 14 and automotive powers being supported on vehicle body 12 on track
16 etc..The automotive power 16 may include at least one driving motor 22.
It should be understood that automotive power 16 used herein can include widely that can be used in pushing vehicle
Any automotive power with one or more driving motors.The automotive power can be used for such as pure electric vehicle
And hybrid vehicle.In the dynamical system of hybrid vehicle, at least one driving motor can be serial with engine
Or concurrently push the traveling of vehicle.The example of hybrid vehicle can include but is not limited to plug-in hybrid vehicle,
It is double mode hybrid vehicle, full hybrid vehicle, extended-range hybrid vehicle, power-assisted hybrid vehicle, light
Spend hybrid vehicle, serial mixed power vehicle, parallel hybrid vehicles, series-parallel hybrid vehicle,
The mixing of fluid power hybrid vehicle, power dividing type hybrid vehicle, BAS hybrid vehicle and any other type
Power car.Vehicle in the disclosure can be configured as car, sports type vehicle, truck, bus, commercial car, transboundary vehicle,
Recreation vehicle etc..It should be understood that the technology of the disclosure can be used for any of above automotive power, and it is not limited to a certain
Specific type.
As shown in Figure 1, automotive power 16 usually may include at least one battery pack 3, inverter 20, control unit
18, driving motor 22 and input unit 26.As described above, other arrangements and/or configuration may be used in automotive power 16,
But include normally at least one driving motor.In some embodiments, driving motor 22 is operatively connected at least one
A wheel 14 applies torque to push vehicle 10 to wheel 14.Driving motor 22 usually may include permanent magnet synchronous motor, nothing
Brushless motor, but not limited to this.
Battery pack 3 can directly or indirectly provide power to driving motor 22.Battery pack 3 may include one or more
A battery unit, and lithium ion, nickel metal hydride, sodium nickel chloride, ni-Cd and any other suitable electricity may be used
Pool technology.
Inverter 20 operably interconnects battery pack 3 and driving motor 22.Inverter 20 can be received from battery pack 3
Direct current is converted into alternating current, and alternating current is passed to driving motor 22.
Control unit 18 is operatively connected to inverter 20, to control inverter 20.Control unit 18 can be
One or more general digital computers or data processing equipment, usually can include but is not limited to processor or microprocessor
Or central processing unit, memory (such as, but not limited to read-only memory, random access memory, electrically erasable
Read memory), input/output device or device, analog-digital converter or conversion circuit, digital analog converter or conversion electricity
Road, clock etc..Control unit 18, which can be configured as, to be executed program instructions, which can be stored in control unit 18
Memory or other other storage devices appropriate associated with control unit 18 in.Control unit 18 can be via inversion
Device 20 controls driving motor 22 to realize various operations.
In some embodiments, input unit 26 is operatively connected to control unit 18.The driver of vehicle operates
Input unit 26, to control the torque output of driving motor 22 via control unit 18.In some embodiments, input dress
It includes selectively pedal to set 26, and control unit 18 is transmitted to driving electricity in response to the location status of pedal via inverter adjusting
The size of the electric power of machine 22, to adjust the torque output of driving motor 22.
The battery pack 3 according to the disclosure is described in detail below with reference to Fig. 2-Fig. 4 A, the battery pack 3 has according to this public affairs
The battery pack lug cooling structure 4 opened.
As shown in Fig. 2, battery pack 3 includes battery core 31, end battery core backplate 32a, centre battery core backplate 32b and above-mentioned pole
Ear cooling structure 4.Battery core 31 has anode ear 31a and negative electrode lug 31b.Battery pack lug cooling structure 4 have liquid cooling plate 41, absolutely
Edge heat-conducting block 42 and lug connector 43.Fig. 2A shows the partial enlarged view in the portions A in Fig. 2, wherein illustrating in greater detail
The structure of insulating heat-conductive block 42 and lug connector 43.In addition, Fig. 2 B show the enlarged drawing of the insulating heat-conductive block 42 of battery pack,
Fig. 2 C show the enlarged drawing of the lug connector 43 of battery pack.
Fig. 4 shows the partial sectional view obtained along the B-B cutting lines in Fig. 3, and Fig. 4 A are shown along in Fig. 4
The portions C partial enlarged view.In Fig. 4, a subelement 3A for constituting battery pack 3 is shown with closeer hatching.It needs
Although it is noted that showing that battery pack 3 includes 15 battery cores 31 in Fig. 2-4 it should be appreciated that according to specifically answering
With demand, battery pack 3 can also include less or more battery core 31.In addition, the shape of battery core 31, size can also be basis
Specific application demand and change, that is, shape, the size of battery core 31 can be different from rectangular shape shown in Fig. 2-4, than
Such as can be square, ellipse, round, polygon.Lug connector 43 is used to be electrically connected adjacent two of battery pack 3
The lug 31a of a battery core 31.
Referring to detailed description shown in Fig. 2, Fig. 2 B, Fig. 2 C, Fig. 4 and Fig. 4 A according to the battery pack 3 and electricity of the disclosure
Pond group lug cooling structure 4.Since battery core 31 has substantially symmetric lug 31a and 31b, it below will be only in conjunction with wherein
One lug 31a detailed description battery pack lugs cooling structure 4.It should be understood that being described below in conjunction with what lug 31a was carried out
It is applied equally to another lug 31b.
As shown in Figure 2 B, insulating heat-conductive block 42 is in substantially inverted U-shaped, and includes the first support arm 421, second being mutually parallel
Support arm 422 and the connection first support arm 421 and second support arm 422 and basically perpendicular to the first support arm 421 and the
The third support arm 423 that two support arms 422 extend, also, form between the first support arm 421 and the third support arm 432 the
One holding tank 424 forms the second holding tank 425 between the second support arm 422 and the third support arm 423.
As shown in Figure 2 C, lug connector 43 is generally u-shaped, and includes the first support arm 431 and second being mutually parallel
Support arm 432 and the connection first support arm 431 and second support arm 432 and basically perpendicular to the first support arm 431 and the
The third support arm 433 that two support arms 432 extend, each lug connector 43 are arranged between two adjacent battery cores 31 so that
The first support arm 431 and second support arm 432 of the lug connector 43 the lug 31a with two adjacent battery cores 31 respectively
Forming face contacts, to be electrically connected the lug 31a of two adjacent battery cores 31.
As shown in Figure 2 B, first holding tank, 424 and second holding tank 425 of insulating heat-conductive block 42 all has mutually flat
The third surface of capable first surface and second surface and the connection first surface and second surface.Shown in Fig. 4
In the subelement 3A of battery pack 3, the phase of the side surface of the first support arm 431 of lug connector 43 and the lug 31a being attached thereto
To side surface connect respectively with the first surface of the second holding tank 425 of corresponding insulating heat-conductive block 42 and second surface forming face
It touches, by the heat derives generated at the lug 31a to the insulating heat-conductive block 42.Similarly, lug connector 43
Insulation corresponding with another is led respectively for the side surface of second support arm 432 and the opposite side surface for the lug 31a being attached thereto
The first surface and second surface forming face of first holding tank 424 of heat block 42 contact.
Liquid cooling plate 41 is contacted with 42 forming face of insulating heat-conductive block, and coolant liquid body can flow through the liquid cooling plate 41, with
Just the insulating heat-conductive block 42 is cooled down.
In a preferred embodiment, the first support arm 431 and second support arm 432 of the lug connector 43 can pass through
It is solder-connected to the lug 31a of each battery core 31.For example, the first support arm 431 and second support arm 432 of the lug connector 43
It can link together for example, by ultrasonic bonding, electric resistance welding or Laser Welding with lug 31a.
In being preferably implemented at one, on the first surface and second surface of the first holding tank 424 and the second holding tank 425
It is coated with heat-conducting glue, thus realizes good heat conduction between insulating heat-conductive block 42, lug connection sheet 43 and lug 31a.It answers
It, can also be in the first support arm 431 and second support arm 432 of lug connector and the lug 31a of battery core 31 when understanding
It is coated with heat-conducting glue.
In a preferred embodiment, the third table of the first holding tank 424 and the second holding tank 424 of insulating heat-conductive block 42
The end face forming face in face and the first support arm 431 of the lug connector 43 and the end face and the lug 31a of second support arm 432
Contact, and preferably in the end face and the lug 31a of the third surface and/or first support arm 431 and second support arm 432
Endface is coated with heat-conducting glue.
As illustrated in figures 4 and 4, as a preferred embodiment, the intermediate battery core being arranged between adjacent battery core 31 is protected
Plate 32b can auxiliary positioning battery core 31, and can be by the heat derives of battery core main body 31c.In addition, the intermediate battery core backplate
The top of 32b further includes limiting slot 32b1, the limiting section 426 or the lug connector 43 for receiving insulating heat-conductive block 42
Limiting section 434.Preferably, the limiting section 426 of the limiting slot 32b1 and the insulating heat-conductive block 42 of the intermediate battery core backplate 32b
It is also coated with heat-conducting glue between the limiting section 434 of the lug connector 43, to realize good heat conduction.
In addition, as shown in Fig. 2 B, Fig. 4 and Fig. 4 A, the upper surface of the third support arm 423 of the insulating heat-conductive block 42 has
Recess portion 423a, and there is protrusion 41a, the protrusion 41a to be received in the recess portion 423a for the lower surface of the liquid cooling plate 41
In, to increase the contact area of liquid cooling plate 41 and the insulating heat-conductive block 42, to enhance heat dissipation.Preferably, the liquid cooling
It is also coated with heat-conducting glue at the joint surface of plate 41 and the insulating heat-conductive block 42, to further enhance heat dissipation.It should be understood that
Although showing that there is the third support arm 423 of insulating heat-conductive block 42 lower surface of recess portion 423a and liquid cooling plate 41 to have in Fig. 2-4
Protrusion 41a, but the third support arm 423 of insulating heat-conductive block 42 can also be made with protrusion and the lower surface of liquid cooling plate 41 is with recessed
Portion, as long as the heat transfer area between liquid cooling plate 41 and the insulating heat-conductive block 42 can be increased.Although in addition, in Fig. 2-4
Show that the recess portion 423a and protrusion 41a has substantially rectangular cross section it should be appreciated that the recess portion
The 423a and protrusion 41a can also be with the cross section of other shapes.
In a preferred embodiment, coolant liquid can controllably change according to the height of the temperature at lug 31a
Flow flows through the liquid cooling plate 41, to control the temperature of battery core 31 and/or the temperature of the lug 31a of battery core 31 in predetermined model
In enclosing, without being influenced by the payload of battery pack 3.It should be understood that coolant liquid can also be flowed through with constant flow
The liquid cooling plate 41.Optionally, can also include pump, flow control valve, control according to the battery pack lug cooling structure 4 of the disclosure
Other components such as device processed, radiator.
It is protected according to the insulating heat-conductive block 42, lug connector 43, end battery core of the battery pack lug cooling structure 4 of the disclosure
The above structure of plate 32a and intermediate battery core backplate 32b allow in a modular manner to construct battery pack lug cooling structure
4 so that battery pack lug cooling structure 4 has good autgmentability, so as to not change insulating heat-conductive block 42, lug company
Fitting 43, end battery core backplate 32a and centre battery core backplate 32b these critical pieces structure in the case of, to different numbers
The battery core 31 of amount is cooled down.
In addition, according to the insulating heat-conductive block 42 of the battery pack lug cooling structure 4 of the disclosure and lug connector 43 and
Lug 31a is connected with each other in a manner of form locking (being coordinated by complementary shape), without using additional fastener.
Similarly, also (i.e. logical with form locking according to the liquid cooling plate 41 of the battery pack lug cooling structure 4 of the disclosure and insulating heat-conductive block 42
Cross complementary shape cooperation) mode be connected with each other, without using additional fastener.Battery is significantly reduced as a result,
The assembly complexity of group lug cooling structure 4, and improve space availability ratio.In addition, above-mentioned form locking (passes through complementation
Shape coordinates) connection of mode is but also easily disassembled battery pack lug cooling structure 4 and battery pack 3, to make repair, replace
The maintenance/repair work of the components such as battery core 31, liquid cooling plate 41 becomes simpler efficient.
Some embodiments of the present disclosure are described with reference to the accompanying drawings above, above description is exemplary, and exhaustive
Property, and the disclosure is also not necessarily limited to disclosed embodiment.In the scope and spirit without departing from illustrated each embodiment
In the case of, many modifications and changes will be apparent from for those skilled in the art.Institute herein
With the selection of term, it is intended to the principle, practical application or the technological improvement to Market and Technology of each embodiment are best explained, or
Other those of ordinary skill of the art are enable to understand each embodiment disclosed herein.
Claims (16)
1. a kind of battery pack lug cooling structure, which is characterized in that the battery pack lug cooling structure includes：
Lug connector, the lug connector are used to be electrically connected the lug of the two neighboring battery core of battery pack；
Insulating heat-conductive block, the insulating heat-conductive block are provided with holding tank, the holding tank have the first surface being mutually parallel and
The third surface of second surface and the connection first surface and second surface, also, the lug connector and the electricity
The interconnecting piece of the lug of core is clamped in the holding tank so that at least described first surface and second surface respectively with it is described
Two opposite side surface forming face contacts of interconnecting piece, the heat derives generated at the lug are led to the insulation
Heat block；With
Liquid cooling plate, the liquid cooling plate is contacted with the insulating heat-conductive block forming face, and coolant liquid can flow through the liquid cooling plate,
To cool down the insulating heat-conductive block.
2. battery pack lug cooling structure according to claim 1, which is characterized in that the lug connector passes through welding
It is connected to the lug.
3. battery pack lug cooling structure according to claim 1, which is characterized in that the lug connector and the pole
Ear forming face contacts.
4. battery pack lug cooling structure according to claim 1, which is characterized in that the first surface and described second
It is coated with heat-conducting glue between surface and two opposite side surfaces of the interconnecting piece.
5. battery pack lug cooling structure according to claim 1, which is characterized in that the liquid cooling plate is led with the insulation
It is coated with heat-conducting glue at the joint surface of heat block.
6. battery pack lug cooling structure according to claim 1, which is characterized in that the third surface and the lug
The end face forming face contact of the end face of connector and/or the lug.
7. battery pack lug cooling structure according to claim 6, which is characterized in that the third surface and the lug
It is coated with heat-conducting glue between the end face of connector and/or between the end face of the lug.
8. battery pack lug cooling structure according to claim 1, which is characterized in that the lug connector is in substantially U
Shape, and include the first support arm being mutually parallel and second support arm and the connection first support arm and second support arm and base
This third support arm extended perpendicular to the first support arm and second support arm, each lug connector are arranged in adjacent two
Between battery core so that the first support arm and second support arm of the lug connector are electric with the lug of the two neighboring battery core respectively
Connection.
9. battery pack lug cooling structure according to claim 8, which is characterized in that the insulating heat-conductive block is in substantially to fall
U-shaped, and include the first support arm being mutually parallel and second support arm and the first support arm of the connection insulating heat-conductive block
With second support arm and basically perpendicular to the insulating heat-conductive block the first support arm and second support arm extend third support arm,
Also, the holding tank includes the first holding tank and the second holding tank, and first holding tank is formed in the insulating heat-conductive block
The first support arm and the third support arm of the insulating heat-conductive block between, second holding tank is formed in the insulation
Between the second support arm of heat-conducting block and the third support arm of the insulating heat-conductive block.
10. battery pack lug cooling structure according to claim 9, which is characterized in that the third of the insulating heat-conductive block
The upper surface of support arm has recess portion, and the lower surface of the liquid cooling plate has protrusion, and the protrusion is received in the recess portion
In, to increase the contact area between the liquid cooling plate and the insulating heat-conductive block.
11. battery pack lug cooling structure according to claim 1, which is characterized in that flow through the cooling of the liquid cooling plate
The flow of liquid can change.
12. a kind of battery pack, which is characterized in that the battery pack includes at least two battery cores and according in claim 1-11
Any one of them battery pack lug cooling structure, the battery pack lug cooling structure are arranged at least two battery core
In anode ear and/or negative electrode lug.
13. battery pack according to claim 12, which is characterized in that the battery pack further includes being located at two neighboring battery core
Between battery core backplate.
14. battery pack lug cooling structure according to claim 13, which is characterized in that the battery core backplate includes limit
Slot, the corresponding limiting section for receiving the lug connector or the insulating heat-conductive block.
15. battery pack lug cooling structure according to claim 14, which is characterized in that the limiting slot and the lug
It is coated with heat-conducting glue between the corresponding limiting section of connector or the insulating heat-conductive block.
16. a kind of vehicle, which is characterized in that the vehicle includes at least one according to any one of claim 12 to 15 institute
The battery pack stated.
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| CN201610825764.3A CN106207072B (en) | 2016-09-14 | 2016-09-14 | Battery pack lug cooling structure, battery pack and the vehicle with the battery pack |
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| CN106207072B true CN106207072B (en) | 2018-11-13 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107275559B (en) * | 2017-06-02 | 2020-04-24 | 深圳市欣旺达电气技术有限公司 | Battery pack device |
| GB2570300B (en) * | 2018-01-17 | 2020-11-25 | Siemens Ag | Energy storage system |
| CN108376809B (en) * | 2018-02-05 | 2021-01-29 | 合肥国轩高科动力能源有限公司 | Integrated structure of battery package cooling and heating |
| JP6976890B2 (en) * | 2018-03-16 | 2021-12-08 | 矢崎総業株式会社 | Battery pack |
| GB2600147B (en) * | 2020-10-23 | 2022-11-23 | Ricardo Uk Ltd | Battery packs |
| CN114497825A (en) * | 2022-03-03 | 2022-05-13 | 威睿电动汽车技术(宁波)有限公司 | Battery module and battery device |
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| CN102388481A (en) * | 2009-04-08 | 2012-03-21 | 锂电池科技有限公司 | Galvanic cell, cell stack, and heat sink |
| CN102823023A (en) * | 2010-03-26 | 2012-12-12 | 戴姆勒股份公司 | Battery having a plurality of single cells |
| CN105846011A (en) * | 2016-04-11 | 2016-08-10 | 江苏科技大学 | Partial cooling battery module suitable for softly-packaged lithium ion battery |
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| JP5916500B2 (en) * | 2012-04-27 | 2016-05-11 | オートモーティブエナジーサプライ株式会社 | Assembled battery |
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| CN102388481A (en) * | 2009-04-08 | 2012-03-21 | 锂电池科技有限公司 | Galvanic cell, cell stack, and heat sink |
| CN102823023A (en) * | 2010-03-26 | 2012-12-12 | 戴姆勒股份公司 | Battery having a plurality of single cells |
| EP2418716A1 (en) * | 2010-08-09 | 2012-02-15 | ads-tec GmbH | Battery pack with tempering elements |
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