CN209544566U - The heat management system of battery pack - Google Patents
The heat management system of battery pack Download PDFInfo
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- CN209544566U CN209544566U CN201920338170.9U CN201920338170U CN209544566U CN 209544566 U CN209544566 U CN 209544566U CN 201920338170 U CN201920338170 U CN 201920338170U CN 209544566 U CN209544566 U CN 209544566U
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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 heat management systems of battery pack, comprising: multiple heat exchanger plates, multiple support plates, multiple headers and pipe fitting.Longitudinally through heat exchanging chamber is equipped in the heat exchanger plates；Multiple heat exchanger plates are staggered in the horizontal direction with multiple support plates；The header is arranged in the end of the heat exchanger plates and is connected to the heat exchanging chamber；The pipe fitting is connected between two adjacent headers, and the pipe fitting is across the support plate.The overall structure of the heat management system is more compact, and overall weight is lighter, and overall heat exchange effect is more preferable.
Description
Technical field
The utility model relates to technical field of vehicle, in particular to a kind of heat management system of battery pack.
Background technique
Heat management system overall structure in conventional batteries packet is not compact, and components are more, can not achieve reasonable cloth
It sets, leads to that the overall weight of heat management system is larger and heat transfer effect is bad, there are rooms for improvement.
Utility model content
The utility model is intended to solve one of above-mentioned technical problem in the prior art at least to a certain extent.For this purpose,
The utility model proposes a kind of heat management system of battery pack, the overall structure of the heat management system is more compact, overall weight compared with
Gently, and overall heat exchange effect is more preferable.
The heat management system of the battery pack of embodiment according to the present utility model, comprising: multiple heat exchanger plates, the heat exchanger plates
It is interior to be equipped with longitudinally through heat exchanging chamber；Multiple support plates, multiple heat exchanger plates are handed in the horizontal direction with multiple support plates
Mistake setting；Multiple headers, the header are arranged in the end of the heat exchanger plates and are connected to the heat exchanging chamber；Pipe fitting,
The pipe fitting is connected between two adjacent headers, and the pipe fitting is across the support plate.
The overall structure of the heat management system of the battery pack of embodiment according to the present utility model, the heat management system is tighter
It gathers, overall weight is lighter, and overall heat exchange effect is more preferable.
In addition, can also have following supplementary technology special according to the heat management system of the battery pack of utility model embodiment
Sign:
Some embodiments according to the present utility model, multiple heat exchanger plates pass through header and the two neighboring collection of connection
The pipe fitting of flow tube realizes the parallel connection between the heat exchanging chamber of multiple heat exchanger plates, and heat transferring medium is inside multiple heat exchanger plates
Multiple heat exchanging chambers flow to the other end from one end of multiple heat exchanger plates in the same direction.
Some embodiments according to the present utility model, the heat management system further include: assignment of traffic component, the flow
Distribution member is folded between the heat exchanger plates and the header, and the assignment of traffic component has multiple groups throttle orifice, described
Header is connected to by the throttle orifice with the heat exchanging chamber.
Some embodiments according to the present utility model, the header have mainstream cavity and are connected to the mainstream cavity
Multiple branched holes, the branched hole is correspondingly arranged with the throttle orifice, and multiple heat exchanging chambers of the heat exchanger plates pass through the collection
Flow tube is connected in parallel.
Some embodiments according to the present utility model, the quantity that the assignment of traffic component passes through the adjusting throttle orifice
And/or position and/or aperture adjust flow.
The circulation area of some embodiments according to the present utility model, the throttle orifice is less than the heat exchanging chamber open end
Circulation area, the circulation area that the throttle orifice at both ends is located in the assignment of traffic component, which is greater than, is located in the middle the section
The circulation area of discharge orifice.
Some embodiments according to the present utility model, at least one of multiple described headers, which have, to be used for and external water
The connectivity port of road connection, total circulation area of whole throttle orifices is with the assignment of traffic component in the assignment of traffic component
Distance to the connectivity port increases and increases.
Some embodiments according to the present utility model pass through connected structure grafting between the heat exchanger plates and the support plate
It is connected.
Some embodiments according to the present utility model, the end of the heat exchanger plates is equipped with outwardly directed boss, described to change
Hot chamber runs through the boss；The assignment of traffic component is installed on the end face of the boss；The header has to be protruded outwardly
Overlap edge, the overlap edge is connected with the side of the boss.
Some embodiments according to the present utility model, the overlap edge includes at least two be oppositely arranged, described in two
Overlap edge is connected with two sides of the boss respectively, and the boss is clamped between the overlap edge.
Detailed description of the invention
Fig. 1 is the partial structural diagram according to the heat management system of the utility model embodiment；
Fig. 2 is the partial structural diagram according to the heat management system of the utility model embodiment；
Fig. 3 is the partial structural diagram according to the heat management system of the utility model embodiment；
Fig. 4 is the partial structural diagram according to the heat management system of the utility model embodiment；
Fig. 5 is the partial sectional view according to the heat management system of the utility model embodiment；
Fig. 6 is the partial sectional view according to the heat management system of the utility model embodiment；
Fig. 7 is the partial sectional view according to the heat management system of the utility model embodiment；
Fig. 8 is the partial structural diagram according to the heat management system of the utility model embodiment；
Fig. 9 is the partial structural diagram according to the heat management system of the utility model embodiment；
Figure 10 is the partial sectional view according to the heat management system of the utility model embodiment；
Figure 11 is the structural schematic diagram according to the assignment of traffic component of the utility model embodiment；
Figure 12 is the structural schematic diagram according to the assignment of traffic component of the utility model embodiment；
Figure 13 is the partial sectional view according to the heat management system of the utility model embodiment；
Figure 14 is the structural schematic diagram according to the pipe fitting of the utility model embodiment；
Figure 15 is the partial structural diagram according to the pipe fitting of the utility model embodiment；
Figure 16 is the cross-sectional view according to the pipe fitting of the utility model embodiment；
Figure 17 is the partial sectional view according to the pipe fitting of the utility model embodiment；
Figure 18 is the partial structural diagram according to the pipe fitting of the utility model embodiment；
Figure 19 is the partial structural diagram according to the heat management system of the utility model embodiment.
Appended drawing reference:
Heat management system 100, heat exchanger plates 1, heat exchanging chamber 11, support plate 2, header 3, pipe fitting 4, assignment of traffic component 5,
Throttle orifice 51, mainstream cavity 31, branched hole 32, connectivity port 33, boss 12, overlap edge 34, inserting groove 7, grafting boss 8 are led
To face 81, supporting surface 71, side plate 82, cascaded surface 72, first leg 13, loss of weight chamber 21, the second supporting leg 22, bottom backplate 301, protection
Chamber 302, end throttle orifice 511, middle part throttle orifice 512, connecting tube 41, sealing shroud 42, sealing structure 421, first structure 422,
Notch 4221, set body section 423, seal section 424, sealing ring 4211, groove 4212, axial limiting flange 425, mounting groove 411,
Bottom plate 200, battery modules 400.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable
The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the utility model and simplify description, rather than the device or element of indication or suggestion meaning there must be specific side
Position is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is at least two, example
Such as two, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection is also possible to be electrically connected or can communicate with each other；It can be directly connected, the indirect phase of intermediary can also be passed through
Even, the connection inside two elements or the interaction relationship of two elements be can be.For those of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it
"lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to
Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above "
One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special
Sign is directly below and diagonally below the second feature including fisrt feature under the second feature " below ", " below " and " below ", or only
Indicate that first feature horizontal height is less than second feature.
Below with reference to Fig. 1-Figure 19 description according to the heat management system 100 of the battery pack of the utility model embodiment.
Heat management system 100 according to the battery pack of the utility model embodiment may include: multiple heat exchanger plates 1, multiple
Support plate 2, multiple headers 3 and pipe fitting 4.
As Figure 1-Figure 4, heat exchanger plates 1 are suitable for being bonded with battery modules 400 to realize that heat exchange acts on, wherein heat exchanger plates 1
It is interior to be equipped with longitudinally through heat exchanging chamber 11, it is suitable for circulating heat transferring medium in heat exchanging chamber 11 to realize the heat exchange effect of heat exchanger plates 1.
Further ,-Fig. 4, multiple heat exchanger plates 1 are staggered in the horizontal direction with multiple support plates 2 referring to Fig.1.Wherein, it props up
Fagging 2 is used to support fixed battery modules 400, and two adjacent support plates 2 are fixedly connected with the same battery modules 400, so that
Battery modules 400 can be close to across heat exchanger plates 1 and with heat exchanger plates 1 setting, to realize effective heat exchange.
Since the deployment scenarios in conventional batteries packet are to fix heat exchanger plates 1 in support plate 2, battery is set again on heat exchanger plates 1
Mould group 400 causes battery pack weight larger, and the space occupied is larger.For this purpose, the utility model embodiment is by partially supported plate 2
It is replaced with heat exchanger plates 1, making heat exchanger plates 1 both has the function of heat exchange, also while being provided with support and protection battery modules 400
Effect to realize a structure the case where two kinds of functions, the overall structure of battery pack can be made more compact, effectively reduce battery
Amount of parts in packet, and then reduce the weight of battery pack.
Further, as shown in Fig. 8, Fig. 9, Figure 13 and Figure 19, header 3 be arranged in the end of heat exchanger plates 1 and with heat exchange
Chamber 11 is connected to, in order to which the extraneous heat transferring medium entered in header 3 to be transported in heat exchanging chamber 11, to realize heat exchanger plates 1
Heat exchange effect.And connected between two adjacent headers 3 by pipe fitting 4, multiple headers 3 and heat exchanger plates 1 are connected
It is connected into as a kind of complete heat exchange system, i.e. heat management system 100.A more compact heat management of overall structure is formed as a result,
System 100.
Wherein, referring to Fig.1, Fig. 2, Fig. 3, Figure 13 and Figure 19, pipe fitting 4 is suitable for across support plate 2, to avoid with support plate
2 occur installation interference, and the overall structure of heat management system 100 can be made more compact.
According to the heat management system 100 of the battery pack of the utility model embodiment, the overall structure of the heat management system 100
More compact, overall weight is lighter, and overall heat exchange effect is more preferable.
Some embodiments according to the present utility model, as shown in figure 13, each heat exchanger plates 1 are equipped with multiple arranged side by side
Heat exchanging chamber 11, the both ends of heat exchanger plates 1 are respectively connected with header 3, and multiple heat exchanging chambers 11 are connected in parallel by header 3, adjacent
Header 3 between two heat exchanger plates 1 is connected by pipe fitting 4, between the heat exchanging chamber 11 to realize two neighboring heat exchanger plates 1
It is connected in parallel, is as a result, respectively formed all heat exchanging chambers 11 of all heat exchanger plates 1 and is connected in parallel to form a complete heat management
System 100.
Specifically, a plurality of heat exchanging chamber disposed in parallel 11 is all had in each heat exchanger plates 1, wherein heat transferring medium is more
Inside a heat exchanger plates 1, the same direction along multiple heat exchanging chambers 11 flows to the other end from one end of multiple heat exchanger plates 1, i.e., multiple to change
Hot chamber 11 is to be arranged in parallel.Can enable as a result, heat transferring medium it is more uniform flow through each heat exchanging chamber 11, avoid the occurrence of office
The phenomenon that bilge vortex, and the heat transfer effect of heat exchanger plates 1 everywhere can be enable more balanced, and then imitate the heat exchange of heat exchanger plates 1
Fruit is more preferable.
Some embodiments according to the present utility model, further, embodiment referring to figure 11-13, to make each change
The flow of heat transferring medium in hot chamber 11 can obtain averagely reasonably distributing, and the utility model embodiment is provided with assignment of traffic
Component 5, and assignment of traffic component 5 is made to block the open end in heat exchanging chamber 11, to realize the effect averagely shunted.
Wherein, assignment of traffic component 5 has the throttle orifice 51 being connected to heat exchanging chamber 11.Specifically, the heat exchange in header 3
Medium needs to flow into heat exchanging chamber 11 by throttle orifice 51, therefore can be by changing corresponding to the heat exchanging chamber 11 of different location
Throttle orifice 51 aperture and quantity come realize it is reasonable shunt and throttling, so as to flow into the heat exchange in each heat exchanging chamber 11
The flow of medium can be equal.
As shown in figure 13, header 3 be connected with heat exchanger plates 1 so that assignment of traffic component 5 can be stable be folded in afflux
Between pipe 3 and heat exchanger plates 1, to play stable current balance function.
Referring to Fig.1 1, heat exchanger plates 1 are equipped with multiple longitudinally through heat exchanging chambers 11, to realize the circulation of heat transferring medium and change
Heat, assignment of traffic component 5 are equipped with multiple groups throttle orifice 51, and multiple heat exchanging chambers 11 are corresponded with multiple groups throttle orifice 51, and multiple change
Hot chamber 11 is connected in parallel by multiple branched holes 32 of header 3.Hereby it is achieved that using same header 3 to multiple heat exchange
Chamber 11 carries out the purpose of feed flow, and each heat exchanging chamber 11 can be made to be to be arranged in parallel.
In short, be exactly the other end that heat transferring medium flows to heat exchanging chamber 11 from the same end of multiple heat exchanging chambers 11, it can
Keep heat exchange more balanced, the phenomenon that avoiding the occurrence of local eddy currents and the normal heat exchange for influencing heat exchanger plates 1, and then heat exchanger plates 1 can be made
Heat transfer effect is more preferable.
As figs 11-13, assignment of traffic component 5 is plate, and as its name suggests, assignment of traffic component 5 is relatively thin component,
In order to be folded between header 3 and heat exchanger plates 1, wherein throttle orifice 51 runs through stream along the thickness direction of assignment of traffic component 5
Measure distribution member 5, after being folded between header 3 and heat exchanger plates 1 in order to assignment of traffic component 5, throttle orifice 51 can with point
11 face of branch hole 32 and heat exchanging chamber, and then throttle orifice 51 is made to can be realized effective throttling action.
Referring to Fig.1 3, multiple branched holes 32, Duo Gefen that header 3 has mainstream cavity 31 and is connected to mainstream cavity 31
Branch hole 32 and multiple 51 faces of throttle orifice are arranged, and each heat exchanging chamber 11 is connected to at least one branched hole 32, so that in header 3
Heat transferring medium can by branched hole 32 shunt to flow at assignment of traffic component 5, using the current balance function of throttle orifice 51
And be averaged and be diverted in each heat exchanging chamber 11, to realize the balanced heat exchange of heat exchanger plates 1.
Some embodiments according to the present utility model, quantity and/or position of the assignment of traffic component 5 by adjusting throttle orifice 51
It sets and/or aperture adjusts flow.Therefore, need to design different assignment of traffic components 5 for multiple heat exchanger plates 1 multiple to meet
The balanced purpose shunted of heat exchanger plates 1, makes the heat transferring medium flow in each heat exchanging chamber 11 can be equal, to reach more balanced
Heat transfer effect.
Referring to Fig.1 1, to realize the effective throttling action of throttle orifice 51, the utility model embodiment is by the stream of throttle orifice 51
The circulation area less than 11 open end of heat exchanging chamber of logical area setting, to be realized not by the pore size for changing throttle orifice 51
Throttling action.
Wherein, the circulation area in assignment of traffic component 5 positioned at the throttle orifice 51 at both ends, which is greater than, is located in the middle throttle orifice
51 circulation area.When flowing through same header 3 due to heat transferring medium, the fluid pressure closer to 3 end position of header is got over
Small, the flow of heat transferring medium is smaller.Conversely, the fluid pressure at the middle part of header 3 is maximum, coolant rate is maximum, therefore by position
The circulating face of throttle orifice 51 is located in the middle in being greater than for circulation area setting of the throttle orifice 51 at 5 both ends of assignment of traffic component
Product, to realize reasonable throttling action, and then after making the throttling action by throttle orifices 51 different on assignment of traffic component 5, respectively
The flow of heat transferring medium in a heat exchanging chamber 11 can reach balanced, effectively to solve electricity caused by 1 non-uniform temperature of heat exchanger plates
The performance and life problems of Chi Mo group 400.
As depicted in figs. 1 and 2, the multiple groups throttle orifice 51 of assignment of traffic component 5 includes the end throttle orifice 511 set on both ends
With the middle part throttle orifice 512 for being set to centre, end throttle orifice 511 is corresponding with the heat exchanging chamber 11 at 1 both ends of heat exchanger plates, middle part throttle orifice
512 is corresponding with other heat exchanging chambers 11 of heat exchanger plates 1, less than every group middle part section of 51 number of throttle orifice of every group of end throttle orifice 511
51 number of throttle orifice of discharge orifice 512, to cooperate the books circulation area and middle part throttle orifice of end throttle orifice 511 described above
The flow of 512 small circulation area, the heat transferring medium for inputting each throttle orifice 51 to heat exchanging chamber 11 can be equal, Jin Ershi
The purpose of the balanced heat exchange of existing heat exchanger plates 1.
In conjunction with Fig. 8 and embodiment illustrated in fig. 12, at least one header 3 in multiple heat exchanger plates components have for it is outer
The connectivity port 33 (water inlet end) of portion water route connection, total circulation area of whole throttle orifices 51 is with stream in assignment of traffic component 5
Amount distribution member 5 to connectivity port 33 distance increase and increase that (three groups of assignment of traffic components 5 in Figure 12 are distinguished from top to bottom
For what is be successively arranged far from connectivity port 33).
In other words, a header 3 in multiple heat exchanger plates components has the connectivity port for being connected to external water route
33, the circulation area of the throttle orifice 51 of multiple assignment of traffic components 5 positive at a distance from assignment of traffic component 5 to connectivity port 33
It closes.
Hydraulic due to the heat transferring medium in heat-exchange system is constantly reduced along the liquid flow direction of heat transferring medium, is leaned on
Closely the position of heat-exchange system general import (connectivity port 33) is hydraulic larger, and the flow of heat transferring medium is also just larger, therefore, in order to
The consistency for adjusting each 1 flow of heat exchanger plates, makes assignment of traffic component 5 corresponding to the heat exchanger plates 1 closer to connectivity port 33
On throttle orifice 51 circulation area it is minimum, make corresponding to the heat exchanger plates 1 in downstream along the flow direction of heat transferring medium later
The circulation area of throttle orifice 51 on assignment of traffic component 5 is successively greater than assignment of traffic component 5 corresponding to the heat exchanger plates 1 of upstream
On throttle orifice 51 circulation area.
Hereby it is achieved that in the heat-exchange system of battery pack each 1 flow distribution of heat exchanger plates homogeneity, and then efficiently solve
System performance and life problems caused by each 1 non-uniform temperature of heat exchanger plates.
In conclusion this patent by between heat exchanger plates 1 and header 3 increase assignment of traffic component 5, effectively to realize
The unification of each 1 flow of heat exchanger plates.Wherein, each heat exchanger plates 1 and pipe fitting 4 are completely the same, generally applicable, need to only change flow point
Deployment scenarios with the throttle orifice 51 on component 5 are conducive to handling of goods and materials, reduce later period maintenance expense, in design, production
Manufacture, assembly, each stage such as after sale can effectively improve efficiency, can effectively reduce cost.
In conjunction with Fig. 5-embodiment illustrated in fig. 7, it is connected between heat exchanger plates 1 and support plate 2 by connected structure grafting.As a result,
The assembly of heat exchanger plates 1 and support plate 2 can be made simpler, conveniently.It can effectively avoid traditional welding process and independent fixing piece
Setting, and then the overall cost of battery pack can be reduced.
Also, the flatness after being also more convenient for guaranteeing that heat exchanger plates 1 are connect with support plate 2 in such a way that grafting is connected, makes
Can support preferably be fixed to battery modules 400 in support plate 2 and heat exchanger plates 1, and also ensures that heat exchanger plates 1 can be steady
It is fixed to carry out being close to setting with battery modules 400, to guarantee heat transfer effect.
As shown in Figure 5-Figure 7, connected structure includes: inserting groove 7 and grafting boss 8.Optionally, heat exchanger plates 1 and support plate 2
In first be equipped with inserting groove 7, second in heat exchanger plates 1 and support plate 2 is equipped with grafting boss 8, and the insertion of grafting boss 8 is inserted
Access slot 7.In other words, it may be provided with inserting groove 7 on heat exchanger plates 1, be just provided with grafting boss 8 in corresponding support plate 2.It can also be with
It is to be provided with grafting boss 8 on heat exchanger plates 1, inserting groove 7 is just provided in corresponding support plate 2, above two form can be real
Existing heat exchanger plates 1 are mating with support plate 2.
The end face of embodiment as one preferred, grafting boss 8 is Nian Jie by viscose glue with the bottom wall of inserting groove 7.As a result,
Installation fixation procedure can be made simpler, and also can avoid fastening the two using individual fastener, can be reduced as a result,
Manufacturing cost.
Certainly, grafting boss 8 can also be attached fixation with inserting groove 7 by way of interference fit.
Further, it as shown in figure 5, being equipped with guide surface 81 between the end face of grafting boss 8 and the side of grafting boss 8, leads
It play the guiding role in the process to face 81 in the mating of the two, can enable grafting boss 8 is more convenient to be accurately installed to
In inserting groove 7, to complete being connected and fixed for the two.
Some embodiments according to the present utility model, referring to Fig. 5, inserting groove 7 opens wide in the horizontal direction, 8 court of grafting boss
Horizontal direction protrusion.Specifically, the upper surface of grafting boss 8 is relative to second upper surface in heat exchanger plates 1 and support plate 2
Recessed, the lower surface of grafting boss 8 is relative to second lower surface fovea superior in heat exchanger plates 1 and support plate 2, so that heat exchanger plates
1 is concordant with the upper and lower surface of support plate 2.
It is more convenient can to make grafting installation process as a result, and it is relatively thin that support plate 2 and heat exchanger plates 1 can be made to be arranged
It is some, to reduce the overall weight of battery pack.
As shown in figure 5, inserting groove 7 is located at first side in heat exchanger plates 1 and support plate 2, grafting boss 8, which is located at, to be changed
Second side in hot plate 1 and support plate 2.Since heat exchanger plates 1 and support plate 2 are plugged and fixed in the horizontal direction, because
The both ends of heat exchanger plates 1 and/or support plate 2 are arranged in order to realize horizontal direction in inserting groove 7 and/or grafting boss 8 by this
Grafting, and the overall structure after the two grafting can be made more compact.
Other embodiments according to the present utility model, referring to figure 6 and figure 7, inserting groove 7 are opened wide towards vertical, grafting boss 8
Towards vertical protrusion.In other words, support plate 2 is plugged and fixed along the vertical direction with heat exchanger plates 1.
Further, first (one of them) upper surface in support plate 2 and heat exchanger plates 1 is equipped with the supporting surface of sinking
71, and inserting groove 7 is set to supporting surface 71.Second (another) in support plate 2 and heat exchanger plates 1 is equipped with to be stretched in the horizontal direction
The lower surface of side plate 82 out, side plate 82 is equipped with downwardly projecting grafting boss 8, and side plate 82 is supported in supporting surface 71.
Stable support connection is all realized in transverse direction and longitudinal direction as a result,.I.e. grafting boss 8 and inserting groove 7 is vertical
The connection of the cross spacing between heat exchanger plates 1 and support plate 2 is realized to grafting, and the mutual support of supporting surface 71 and side plate 82 is real
Heat exchanger plates 1 and the longitudinal limit of support plate 2, and then the more stability for enabling heat exchanger plates 1 to connect with support plate 2 are showed.
Some embodiments according to the present utility model, first (one of them) upper table in support plate 2 and heat exchanger plates 1
It is connected between face and supporting surface 71 by cascaded surface 72, cascaded surface 72 and supporting surface 71 are at obtuse angle, the upper surface and side of side plate 82
The side of plate 82 is at an acute angle.It is arranged in parallel hereby it is achieved that the side of side plate 82 is opposite with cascaded surface 72, in order to the two
Splicing, can be in the same plane, so as to be supported on heat exchanger plates 1 and support plate 2 with heat exchanger plates 1 and the upper surface of support plate 2
On battery modules 400 everywhere in can be more uniformly stressed, and then ensure that the mounting stability of battery modules 400.
And, it is ensured that heat exchanger plates 1 can carry out being close to setting everywhere with battery modules 400, to guarantee overall heat exchange
Effect.
As shown in fig. 7, cascaded surface 72 is parallel with the side of side plate 82 and is spaced apart setting, the side of support plate 2 and heat exchange
The side of plate 1 is also spaced apart setting.Interval is the case where surplus of design is to prevent Assembly Interference at above-mentioned two, in turn
It ensure that heat exchanger plates 1 and the assembly of support plate 2 and reliability and stability.
Optionally, inserting groove 7 and grafting boss 8 are fixed or inserting groove 7 and grafting boss by the way of interference fit
8 are weldingly connected by cold welding, then inserting groove 7 and grafting boss 8 be adhesively fixed by viscose glue.It can be according to being changed in battery pack
Hot plate 1 and the specific facilities of support plate 2 reasonably select above-mentioned three kinds of fixed forms, in order to reach preferably fixed effect
Fruit.
As shown in Figure 10, bottom backplate 301 is provided with below bottom plate 200, under the upper surface of bottom backplate 301 and bottom plate 200
Protection chamber 302 is limited between surface, and is protected and be filled with buffer fillings object in chamber 302.Bottom backplate 301 plays protection bottom plate
200 effect damages bottom plate 200 to avoid the shock below battery pack, and protect chamber 302 and its in set
The buffer fillings object set has certain energy-absorbing buffering effect, can further function as protective action.
Further, the lower surface of heat exchanger plates 1 is equipped with first leg 13, and the first supporting leg is supported on heat exchanger plates 1 and bottom backplate
It is connected and fixed between 301 and with bottom backplate 301, to play the role of support reinforcing, bottom backplate 301 and floor is made to connect into one
It is whole, and then keep the integral strength of battery pack bigger.Wherein, first leg 13 is arranged in a staggered manner with heat exchanging chamber 11, to avoid battery
First leg 13 is compressed into heat exchanging chamber 11 when wrapping the impact of lower part, with effective protection heat exchanging chamber 11.
Further, support plate 2, which is equipped with loss of weight chamber 21 and the second supporting leg 22, loss of weight chamber 21, can realize the effective of support plate 2
Loss of weight, the second supporting leg 22 are connected with the lower surface of support plate 2, the second supporting leg 22 be supported between support plate 2 and bottom backplate 301 and
It is connected and fixed with bottom backplate 301, to play the role of support reinforcing, so that bottom backplate 301 and floor is connected into an entirety, in turn
Keep the integral strength of battery pack bigger.Wherein, the second supporting leg 22 is arranged in a staggered manner with loss of weight chamber 21, to avoid rushing for battery pack lower part
Hitting compresses the second supporting leg 22 into loss of weight chamber 21, with effective protection loss of weight chamber 21.
As shown in figure 13, heat exchanging chamber 11 is equipped with outwardly directed convex in the open ended of heat exchanger plates 1, the end of heat exchanger plates 1
Platform 12, heat exchanging chamber 11 run through boss 12, in order to the connection of heat exchanging chamber 11 and throttle orifice 51 and branched hole 32.
Further, assignment of traffic component 5 is installed on the end face of boss 12, to realize being bonded for throttle orifice 51 and heat exchanging chamber 11
Face, header 3 have the overlap edge 34 that protrudes outwardly, and overlap edge 34 is connected with the side of boss 12, with realize header 3 and
Heat exchanger plates 1 are stably connected with.
Preferably, the outer profile of the cross section of boss 12 is identical as the outer profile of the cross section of assignment of traffic component 5, so as to
It can be also fixed with the side of assignment of traffic component 5 while overlap edge 34 overlaps fixed with boss 12, and make to flow
Amount distribution member 5 can be more stable be folded between boss 12 and header 3, shaken to avoid assignment of traffic component 5
It moves and influences being interconnected for branched hole 32, throttle orifice 51 and heat exchanging chamber 11.
Embodiment as one preferred, referring to Fig.1 3, overlap edge 34 includes at least two be oppositely arranged, two overlap joints
Side 34 is connected with two sides (upper and lower surfaces) of boss 12 respectively, by boss 12 be clamped in two overlap edges 34 it
Between, and then the sandwiched for keeping boss 12 more stable is fixed between two overlap edges 34, to realize header 3 and heat exchanger plates
1 is stably connected with.
Also, the end of cascaded surface 72 and overlap edge 34 between boss 12 and the side of heat exchanger plates 1 is equipped with welding
Groove is in order to being welded and fixed.Preferably, overlap edge 34 is connected with heat exchanger plates 1 by laser welding.Using the side of laser welding
Formula can guarantee that the weld seam of welding will not generate interference with other parts, and this welding structure has a wide range of application, and welding is strong
Degree is high, and welding procedure is stablized, and the disposable qualification rate of product is much higher than other welding forms.
As shown in Fig. 8, Figure 14, pipe fitting 4 with header 3 for connecting to be connected to adjacent heat exchanger plates 1, wherein sealing
Set 42 is set in outside the end of connecting tube 41, and connecting tube 41 is for connecting two adjacent headers 3, and sealing shroud 42 is then used for
The junction of sealed joint pipe 41 and header 3.
Optionally, sealing shroud 42 can be rubber or silica gel, and connecting tube 41 can be metal tube or plastic tube, and the two can pass through
Glue bonding or directly injection molding are integrated, to guarantee the connective stability of the two and the whole installation stability of pipe fitting 4.Its
In, plastic tube can eliminate the influence of extruding force bring in the extrusion process of side, to guarantee the sealing performance of connecting tube 41, into
And it can guarantee the reliability of pipe fitting 4.
Further, 4 and Figure 15, reference sealing shroud 42 are equipped with 421 He of sealing structure of axially spaced arrangement referring to Fig.1
First structure 422, wherein sealing structure 421 is used for the junction of sealed joint pipe 41 and header 3, to pass through interference fit
Mode realize sealing.Due to having used the mode of interference fit, even if pipe fitting 4 and 3 concentricity of header after installation
There are little deviations, also can guarantee sealing effect.
Also, compared to traditional clip or the assembly method of quick coupling, installation by the way of such interference fit
Space requirement is lower, structure is simple, install convenient, and advantage of lower cost.
Referring to 14- Figure 18, first structure 422 is used to play the guiding role in assembling process of the pipe fitting 4 with header 3,
With both ensure can centering installation, ensure that installation accuracy and installation accuracy, and then effectively improve and connect therebetween
The leakproofness connect.
Further, first structure 422 includes the multistage of the circumferentially spaced arrangement along sealing shroud 42, multistage first structure
422 are arranged around sealing shroud 42 to form notch 4221 between adjacent two sections.Wherein, when pipe fitting 4 and header 3 are installed
It after the completion, can be by touching sealing structure 421 from notch 4221 from the external world.Setting notch 4221 can realize airtight inspection as a result,
Brake, the phenomenon that will leaking air from sealing structure 421 when 421 seal failure of sealing structure, therefore testing staff
It detection instrument can be used to pass through from notch 4221 and touch sealing structure 421 in order to detect 421 air-tightness of sealing structure,
To judge whether sealing structure 421 is intact.
In conjunction with Figure 14-embodiment illustrated in fig. 18, sealing shroud 42 includes along axially connected set body section 423 and seal section
424, sealing structure 421 is set to seal section 424 for realizing the sealing of pipe fitting 4 and header 3, and first structure 422 is set to set
Body section 423 is used to guarantee the centering installation of the two, as a result, by the way that sealing shroud 42 is reasonably divided into two parts, will have
Different function and the structure of effect are integrated on same sealing shroud 42, to realize the concentrated setting of structure, can make pipe fitting 4
Overall structure is more compact.
Wherein, the diameter of seal section 424 gradually becomes smaller from centre to both ends.Thereby, it is possible to the peaces at each position of effective compensation
Tolerance is filled, to realize better seal effect.
Further, 4- Figure 18, first structure 422 are spaced apart with seal section 424 referring to Fig.1, to avoid first structure 422
Centering impacts the cooperation sealing of sealing structure 421 and header 3 on seal section 424, and also avoids sealing knot
Structure 421 impacts the guiding centering effect of first structure 422, so that the two is not in mutual in functional and structure
The phenomenon that interference.
As shown in Figure 14-Figure 18, sealing structure 421 includes the multiple sealing rings 4211 sequentially arranged along axial direction, is distributed in
The diameter of intermediate sealing ring 4211 is greater than the diameter for being distributed in the sealing ring 4211 at both ends.As a result, by the way that multiple sealings are arranged
Ring 4211 to realize that the multistage between pipe fitting 4 and header 3 seals, can so that the sealing effect is better, and pass through sealing ring
The different setting of 4211 diameters can the concentricity between each component of effective compensation guarantee installation accuracy to compensate location tolerance.
Further, 5, Figure 17 and Figure 18 referring to Fig.1 are equipped with the groove of arc between two adjacent sealing rings 4211
4212.Be arranged groove 4212 be sealing ring 4211 compression reserved space so that sealing ring 4211 can with header 3 in
Wall sufficiently compresses when squeezing, and then it is closer so that sealing ring 4211 is bonded with 3 inner wall of header, makes sealing effect more
It is good.
In conjunction with Figure 14 and embodiment illustrated in fig. 15, first structure 422 is greater than sealing ring 4211 along axial direction along axial thickness
Thickness.It is installed since first structure 422 will carry out guiding cooperation with the inner wall of header 3 with the centering for realizing the two,
The intensity to be arranged of first structure 422 is more relatively large, the opposing seal ring that thus thickness of first structure 422 is arranged
4211 is larger.
As shown in Figure 14 and Figure 15, sealing shroud 42 is additionally provided with axial limiting flange 425, and axial limiting flange 425 can be in pipe
Play position-limiting action in the assembling process and use process of connector 4 and header 3, and after the assembly is completed, axial limiting flange
425 are suitable for mutually only supporting with the outer end wall of header 3, to play the role of limit, guarantee that pipe fitting 4 is in good sealing always
State.
Specifically, sealing structure 421, first structure 422, axial limiting flange 425 are along axial direction from the end of sealing shroud 42
Arrangement spaced inward, interfering with each other to avoid three's structure and functionally.Wherein, axial limiting flange 425 is for compressing
The end face of pipeline (header 3) to be connected, the radian of axial limiting flange 425 is less than 270 °, to be formed through mouth, so as to lack
Mouthfuls 4221 at least partly can with region (through hole) face for not setting axial limiting flange 425, in order to testing staff's energy
Enough axial limiting flange 425 and first structure 422 is sequentially passed through using detection instrument to examine 421 being sealed property of sealing structure
It surveys.
Other embodiments according to the present utility model, as exemplified in figs, 41 end sections of connecting tube are recessed inwardly
To form mounting groove 411, sealing shroud 42 is set in mounting groove 411, to realize stable installation.Wherein, sealing shroud 42 can be adopted
With EPDM material integrated injection molding in mounting groove 411, to realize being stably connected with for the two.By can by the two integrated injection molding
The case where losing in 42 neglected loading of sealing shroud and transport process is avoided the occurrence of, it will not be the phenomenon that vibration processes loosen, out
The probability now leaked also very little.
Also, sealing structure 421 and first structure 422 protrude from mounting groove 411, in order to the inner wall of header 3 to
Cooperation is supported, only to realize stable sealing function.
Further, in conjunction with Figure 16-embodiment illustrated in fig. 18, connecting tube 41 is equipped with axial limiting flange 425.That is axial limiting
Flange 425 has been formed directly on the outer peripheral surface of connecting tube 41, to guarantee that stability is arranged in axial limiting flange 425.Axial limit
Position flange 425 can play position-limiting action in the assembling process and use process of pipe fitting 4 and header 3, and complete in assembly
Afterwards, axial limiting flange 425 is suitable for mutually only supporting with the outer end wall of header 3, to play the role of limit, guarantees that pipe fitting 4 begins
It is in good sealing state eventually.
Wherein, sealing structure 421, first structure 422, axial limiting flange 425 along axial direction from the end of connecting tube 41 to
It is interior arranged spaced apart, interfering with each other to avoid three's structure and functionally.And axial limiting flange 425 is for compressing wait connect
Pipeline (header 3) end face, the radian of axial limiting flange 425 is less than 270 °, to be formed by mouth, so that notch 4221
At least partly can with region (through hole) face for not setting axial limiting flange 425, in order to which testing staff is able to use
Detection instrument sequentially passes through axial limiting flange 425 and first structure 422 and detects to 421 being sealed property of sealing structure.
According to the battery pack heat-exchange system of the utility model another aspect, the pipe including above-mentioned battery pack heat-exchange system is connect
First 4 and multiple heat exchanger plates 1 (referring to Fig. 8 and Figure 19), heat exchanger plates 1 be equipped with heat exchanging chamber 11 for circulating coolant liquid to change setting
Battery modules 400 on hot plate 1 exchange heat, and the open end of heat exchanging chamber 11 is connected with header 3, and header 3 is suitable for will be external
The coolant liquid entered in battery pack is shunted, to be evenly distributed in each heat exchanging chamber 11.Wherein, the both ends of connecting tube 41
It is arranged with sealing shroud 42 (4 and Figure 16 referring to Fig.1), is connected between two headers 3 by pipe fitting 4, to realize multiple collection
The series connection of flow tube 3 and the parallel connection of multiple heat exchanging chambers 11 (referring to Fig. 8 and Figure 19).
As shown in figure 8, specifically, header 3 is set in outside sealing shroud 42, to realize the stabilized seal connection of the two, and
And the connection distance of the two can be shortened, so that the overall structure of battery pack heat-exchange system is more compact.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, those skilled in the art can incite somebody to action
Different embodiments or examples described in this specification are engaged and are combined.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (10)
1. a kind of heat management system of battery pack (100) characterized by comprising
Multiple heat exchanger plates (1), the heat exchanger plates (1) are interior to be equipped with longitudinally through heat exchanging chamber (11)；
Multiple support plates (2), multiple heat exchanger plates (1) are staggered in the horizontal direction with multiple support plates (2)；
Multiple headers (3), the header (3) are arranged the end in the heat exchanger plates (1) and connect with the heat exchanging chamber (11)
It is logical；
Pipe fitting (4), the pipe fitting (4) is connected between the header (3) of adjacent two, and the pipe fitting (4)
Across the support plate (2).
2. the heat management system (100) of battery pack according to claim 1, which is characterized in that multiple heat exchanger plates (1)
The heat exchange of multiple heat exchanger plates (1) is realized by the pipe fitting (4) of header (3) and the two neighboring header (3) of connection
Parallel connection between chamber (11), heat transferring medium is in the internal multiple heat exchanging chambers (11) of multiple heat exchanger plates (1) along same side
The other end is flowed to from one end of multiple heat exchanger plates (1).
3. the heat management system (100) of battery pack according to claim 1, which is characterized in that further include:
Assignment of traffic component (5), the assignment of traffic component (5) be folded in the heat exchanger plates (1) and the header (3) it
Between, the assignment of traffic component (5) has multiple groups throttle orifice (51), and the header (3) passes through the throttle orifice (51) and institute
State heat exchanging chamber (11) connection.
4. the heat management system (100) of battery pack according to claim 3, which is characterized in that the header (3) has
Mainstream cavity (31) and the multiple branched holes (32) being connected to the mainstream cavity (31), the branched hole (32) and the throttling
Hole (51) is correspondingly arranged, and multiple heat exchanging chambers (11) of the heat exchanger plates (1) are connected in parallel by the header (3).
5. the heat management system (100) of battery pack according to claim 3, which is characterized in that the assignment of traffic component
(5) flow is adjusted by the quantity of the adjusting throttle orifice (51) and/or position and/or aperture.
6. the heat management system (100) of battery pack according to claim 3, which is characterized in that the throttle orifice (51)
Circulation area is less than the circulation area of the heat exchanging chamber (11) open end, and the institute at both ends is located in the assignment of traffic component (5)
The circulation area for stating throttle orifice (51) is greater than the circulation area for being located in the middle the throttle orifice (51).
7. the heat management system (100) of battery pack according to claim 3, which is characterized in that multiple headers (3)
At least one of there is connectivity port (33) for being connected to external water route, all saved in the assignment of traffic component (5)
Total circulation area of discharge orifice (51) increases as the distance of the assignment of traffic component (5) to the connectivity port (33) increases
Greatly.
8. the heat management system (100) of -7 any battery packs according to claim 1, which is characterized in that the heat exchanger plates
(1) it is connected between the support plate (2) by connected structure grafting.
9. the heat management system (100) of the battery pack according to any one of claim 3-7, which is characterized in that described to change
The end of hot plate (1) is equipped with outwardly directed boss (12), and the heat exchanging chamber (11) runs through the boss (12)；
The assignment of traffic component (5) is installed on the end face of the boss (12)；
The header (3) has the overlap edge (34) protruded outwardly, the side of the overlap edge (34) and the boss (12)
It is connected.
10. the heat management system (100) of battery pack according to claim 9, which is characterized in that the overlap edge (34) is extremely
Few includes two be oppositely arranged, and two overlap edges (34) are connected with two sides of the boss (12) respectively, will
The boss (12) is clamped between the overlap edge (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920338170.9U CN209544566U (en) | 2019-03-15 | 2019-03-15 | The heat management system of battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920338170.9U CN209544566U (en) | 2019-03-15 | 2019-03-15 | The heat management system of battery pack |
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| CN209544566U true CN209544566U (en) | 2019-10-25 |
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ID=68275342
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109830786A (en) * | 2019-03-15 | 2019-05-31 | 北京新能源汽车股份有限公司蓝谷动力系统分公司 | The heat management system of battery pack |
| CN116387735A (en) * | 2023-06-06 | 2023-07-04 | 江苏正力新能电池技术有限公司 | Battery pack and positioning tool for heat exchange plate |
-
2019
- 2019-03-15 CN CN201920338170.9U patent/CN209544566U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109830786A (en) * | 2019-03-15 | 2019-05-31 | 北京新能源汽车股份有限公司蓝谷动力系统分公司 | The heat management system of battery pack |
| CN109830786B (en) * | 2019-03-15 | 2024-03-08 | 北京新能源汽车股份有限公司蓝谷动力系统分公司 | Thermal management system for battery packs |
| CN116387735A (en) * | 2023-06-06 | 2023-07-04 | 江苏正力新能电池技术有限公司 | Battery pack and positioning tool for heat exchange plate |
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