CN207800829U - Power battery and electric automobile - Google Patents

Power battery and electric automobile Download PDF

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Publication number
CN207800829U
CN207800829U CN201820083171.9U CN201820083171U CN207800829U CN 207800829 U CN207800829 U CN 207800829U CN 201820083171 U CN201820083171 U CN 201820083171U CN 207800829 U CN207800829 U CN 207800829U
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CN
China
Prior art keywords
battery
partition board
hole
battery case
power battery
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201820083171.9U
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Chinese (zh)
Inventor
马淑倩
陈卓
杨重科
韩广璞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Electric Vehicle Co Ltd
Original Assignee
Beijing Electric Vehicle Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Electric Vehicle Co Ltd filed Critical Beijing Electric Vehicle Co Ltd
Priority to CN201820083171.9U priority Critical patent/CN207800829U/en
Application granted granted Critical
Publication of CN207800829U publication Critical patent/CN207800829U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Secondary Cells (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The utility model provides a power battery and electric automobile, wherein power battery includes: the battery comprises a battery shell, at least two separation spaces are arranged in the battery shell, and openings are respectively formed in two opposite end faces of the battery shell; each of the partitioned spaces is formed as an air flow path through the opening; the battery units are arranged inside the battery shell, and each battery unit respectively comprises corresponding parts located in different separation spaces. The utility model provides a power battery through forming two at least circulation of air passageways, can improve power battery's heat-sinking capability, guarantees the even uniformity of power battery temperature, and then can guarantee electric automobile's steady operation.

Description

A kind of power battery and electric vehicle
Technical field
The utility model is related to electric vehicle engineering field more particularly to a kind of power batteries and electric vehicle.
Background technology
In the prior art in order to ensure the normal operation of electric vehicle, the minimum operation temperature of an accumulator group is usually set Degree, wherein minimum running temperature is improved with the reduction of accumulator group state of charge and remaining life.In vehicle drive During operation, it is more than minimum running temperature that thermal management only heats accumulator group to increase its temperature if necessary.It is logical It crosses minimum and heats accumulator group using thermal management, reduce energy expenditure and improve VMT Vehicle-Miles of Travel, It is not adversely affected in terms of battery performance or durability simultaneously.Identical strategy is used during charging, it is possible to reduce The energy for heating accumulator group from power grid consumed.
But aforesaid operations mode does not account for the heat and its heat-transfer character of power battery, can not ensure heat management system Accurate applicability, and then can not ensure the stabilization of vehicle operating status.
Utility model content
A kind of power battery of the utility model offer and electric vehicle, to solve in the prior art due to the life of power battery Heat and heat-transfer character, can not ensure the accurate applicability of heat management system, and then can not ensure what vehicle operating status was stablized Problem.
The utility model provides a kind of power battery, including:
Battery case, the battery case are internally provided at least two compartments, and the phase of the battery case Opening is respectively arranged with to both ends of the surface;By the opening, each compartment is all formed as an air communication passage;
Multiple battery cells may be contained within the inside of the battery case, and each battery cell respectively includes position Corresponding part in the different compartments.
Wherein, the space in the battery case is divided into described at least two by being internally provided with for the battery case An at least partition board for the compartment is provided with through-hole on the partition board, and the battery cell is worn at least one partition board Through-hole is set at least two compartments.
Wherein, quantity, position and the size all same of through-hole set on each partition board.
Wherein, two exhausting holes, the quantity phase of the first exhausting hole and the second exhausting hole are respectively arranged on each partition board Together, and first exhausting hole is corresponded with second exhausting hole.
Wherein, the quantity of through-hole set on each partition board is more than or equal to the quantity of the battery cell, And on each partition board, the spacing distance between the two neighboring through-hole is identical.
Wherein, the partition board is fixedly connected with the inner wall of the battery case.
Wherein, it is mutually parallel between each partition board, and the distance between two neighboring described partition board is equal.
Wherein, the volume corresponding to each compartment is identical.
Wherein, the first distance of top surface interval of the first end of the battery cell and the battery case, the battery list The bottom surface interval second distance of the second end of body and the battery case, the first end is opposite with the second end, the electricity The top surface of pond shell is vertical with the air communication passage with the line of bottom surface.
The utility model also provides a kind of electric vehicle, and the electric vehicle includes above-mentioned power battery.
The beneficial effects of the utility model include at least:
In technical solutions of the utility model, at least two compartments are set in the inside of battery case, and in battery case Opening is respectively set in the opposite end surface of body, passes through opening so that each compartment is all formed as an air communication passage;It is more A battery cell is set to the inside of battery case, and each battery cell respectively includes pair being located in the different compartments Part is answered, by the design of such layering air-cooled structure, the heat-sinking capability of power battery is can effectively improve, ensures power battery The uniformity consistency of temperature, and then can ensure the stable operation of electric vehicle.
Description of the drawings
Fig. 1 shows the battery case schematic diagrames one of the utility model embodiment;
Fig. 2 indicates the battery case and battery cell cooperation schematic diagram one of the utility model embodiment;
Fig. 3 indicates the battery case and battery cell cooperation schematic diagram two of the utility model embodiment;
Fig. 4 indicates the partition board schematic diagram of the utility model embodiment;
Fig. 5 indicates the battery case schematic diagram two of the utility model embodiment.
Wherein in figure:1, battery case;2, the compartment;3, it is open;4, battery cell;5, partition board;6, through-hole.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model It clearly and completely describes, it is clear that described embodiment is the utility model a part of the embodiment, rather than whole implementation Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts The every other embodiment obtained, shall fall within the protection scope of the present invention.
The utility model embodiment provides a kind of power battery, as shown in Figure 1 to Figure 3, including:
Battery case 1, battery case 1 are internally provided at least two compartments 2, and opposite the two of battery case 1 End face is respectively arranged with opening 3;By opening 3, each compartment 2 is all formed as an air communication passage;Multiple battery lists Body 4 may be contained within the inside of battery case 1, and each battery cell 4 respectively includes pair being located in the different compartments 2 Answer part.
Power battery includes battery case 1, and the multiple battery cells 4 being set in battery case 1, wherein battery case Body 1 is internally provided at least two compartments 2, and each battery cell 4 includes the correspondence being located in the different compartments 2 Part.It is respectively formed opening 3 in the opposite end of battery case 1 so that each compartment 2 in battery case 1 and battery The opening 3 at 1 both ends of shell is coordinated, and an air communication passage is formed.Wherein each air communication passage is arranged in parallel, and passes through institute The air communication passage of formation can take away the heat on 4 surface of battery cell and then can ensure that the heat dissipation of power battery is effective Property.
Since each battery cell 4 includes the corresponding part being located in the different compartments 2, pass through different air Distribution channel, take away at 4 different location of battery cell caused by heat, uniform the one of temperature of powered cell can be effectively ensured Cause property.
The layering air-cooled structure that the utility model embodiment is provided, can effectively improve the heat-sinking capability of power battery, Ensure the uniformity consistency of temperature of powered cell, and then can ensure the stable operation of electric vehicle.
In the utility model embodiment, as shown in Figures 1 to 4, battery case 1 is internally provided with battery case 1 Interior space is divided into an at least partition board 5 at least two compartments 2, is provided with through-hole 6 on partition board 5, battery cell 4 is worn Through-hole 6 on an at least partition board 5 is set at least two compartments 2.
It is internally provided at least one partition board 5 in battery case 1, is divided 1 inside of battery case by the way that partition board 5 is arranged For at least two compartments 2.Through-hole 6 is wherein provided on partition board 5, battery cell 4 coordinates with the through-hole 6 on partition board 5, realizes With the clamping of through-hole 6.When the through-hole 6 on battery cell 4 and partition board 5 coordinates, battery cell 4 is worn on an at least partition board 5 Through-hole 6 is located at least two compartments 2.
The formation that at least two compartments 2 are realized by the way that an at least partition board 5 is arranged passes through each compartment 2 and electricity The cooperation of 1 both ends open 3 of pond shell, forms each air communication passage, by through-hole 6 set on partition board 5, realizes to electricity The fixation of pond monomer 4.Generated heat is transferred to battery case to battery cell 4 by air communication passage in use 1 outside, it is ensured that the heat dissipation validity of power battery.And since battery cell 4 is set at least two compartments 2 In, each compartment 2 can form an air communication passage, and by different air communication passages, it is different to take away battery cell 4 The uniformity consistency of temperature of powered cell can be effectively ensured in heat caused by position.
In the utility model embodiment, as shown in Figures 1 to 4, partition board 5 is fixedly connected with the inner wall of battery case 1.
The partition board 5 being set in battery case 1 is fixedly connected with the inner wall of battery case 1, passes through partition board 5 and battery case 1 inner wall is fixedly connected, it is ensured that effective support of the partition board 5 to battery cell 4.And partition board 5 is identical material with battery case 1 Matter is arranged by integrally formed mode in battery case 1.
Wherein battery case 1 includes the first end face parallel with partition board 5, with first end face second end face connected vertically and Third end face, second end face is parallel with third end face, and parallel with first end face and vertical with second end face and third end face Direct-connected the 4th end face connect.Wherein first end face, second end face, third end face and partition board 5 are integrally formed, and form an accommodating knot Structure, partition board 5 are connect with second end face and third end face respectively, and the 4th end face is detachably connected with accommodating structure.
After forming accommodating structure, due to being provided with the through-hole 6 of fixed battery cell 4 on partition board 5, by battery cell 4 It wears through-hole 6 to be set on partition board 5, the support to battery cell 4 is realized using partition board 5.Then by the 4th end face and accommodating knot Structure coordinates, and forms the structure of opposite end opening.
Wherein, in the utility model embodiment, the partition board 5 inside battery case 1 divides 1 inside of battery case For two compartments 2 when, two air communication passages can be corresponded at this time accordingly, the air stream of the top of partition board 5 is all at this time The air flow direction of the air communication passage of 5 lower section of road and partition board can on the contrary can also be identical.When the air reverses, for For the air communication passage of 5 top of partition board, cooling air is flowed by the top half of the first opening, in air communication passage When flowing, heat caused by part that battery cell 4 is set in the air communication passage is taken away, through the upper of the second opening Half portion distributes, wherein what the temperature for the air that the second opening top half is flowed out was flowed into higher than the first opening top half The temperature of air.For the air communication passage of 5 lower section of partition board, cooling air is flowed by the lower half portion of the second opening, When being flowed in air communication passage, heat band caused by part that battery cell 4 is set in the air communication passage It walks, the lower half portion through the first opening is flowed out, wherein the temperature for the air that the first opening lower half portion is flowed out is opened higher than second The temperature for the air that mouth lower half portion is flowed into.The temperature for the air that the first opening lower half portion is flowed out simultaneously is opened higher than first The temperature for the air that mouth top half is flowed into.The axial thermal conductivity coefficient of wherein battery cell 4 is higher, can be axial by itself Heat transfer makes the temperature of 4 top and the bottom of battery cell reach unanimity.Flowing to identical embodiment for air, there is no above-mentioned The larger problem of the same side Air Temperature Difference, is no longer introduced herein.
In the utility model embodiment, as shown in figure 5, be mutually parallel between each partition board 5, and two neighboring partition board 5 The distance between it is equal.
The quantity of partition board 5 set by the inside of battery case 1 is at least one, set by 1 inside of battery case every When 5 quantity of plate is two or more, it is mutually parallel between each partition board 5, and the distance between adjacent separator 5 is equal.Wherein Partition board 5 is parallel with the first end face of battery case 1 and the 4th end face, and first end face is the bottom surface of battery case 1, and the 4th end face is The top surface of battery case 1.By the way that the distance between adjacent separator 5 is set as equal, it is ensured that pass through 5 institute of two neighboring partition board The volume of the air communication passage of formation is equal, and then can ensure that the part of the battery cell being set between partition board 54 can be with Obtain identical heat dissipation effect.
In one embodiment of the utility model, as shown in Figure 1, Figure 2 and Figure 3, the volume corresponding to the compartment 2 is identical, It is identical by the way that the corresponding volume of the compartment is arranged, identical air communication passage can be formed, and then can guarantee power battery Heat dissipation effect.
In the utility model embodiment, the first end of battery cell 4 and the first distance of top surface interval of battery case 1, The second end of battery cell 4 and the bottom surface interval second distance of battery case 1, first end is opposite with second end, battery case 1 Top surface and the line of bottom surface are vertical with air communication passage.
In battery case 1 the top surface interval first of the first end of set each battery cell 4 and battery case 1 away from From the second end opposite with first end of each battery cell 4 and the bottom surface interval second distance of battery case 1 can be to avoid electricity Pond monomer 4 is contacted with the top surface of battery case 1 or bottom surface, wherein the first distance can be equal with second distance.
In the utility model embodiment, as shown in Fig. 2, Fig. 4 and Fig. 5, the number of set through-hole 6 on each partition board 5 Amount, position and size all same.
At least one partition board 5 is provided in battery case 1, when 5 quantity of partition board set in battery case 1 is more than one When a, then quantity, position and the size all same of through-hole 6 set on each partition board 5.Wherein when the quantity of partition board 5 When more than one, a battery cell 4 can wear the through-hole 6 at the same position on multiple partition boards disposed in parallel 5, to ensure Battery cell 4 is fixedly secured, simultaneously because be arranged multiple partition boards 5 be formed by the quantity of air communication passage can be more, will Battery cell 4 wears multiple through-holes 6 being arranged in order successively, it is ensured that and battery cell 4 is arranged in each air communication passage, And then it can ensure effective heat dissipation of battery cell 4.It is multiple wherein when battery cell 4 wears multiple through-holes 6 being arranged in order The axis for the through-hole 6 being arranged in order coincides.
In the utility model embodiment, two exhausting holes, the first exhausting hole and second row are respectively arranged on each partition board 5 The quantity of through-hole is identical, and the first exhausting hole and the second exhausting hole correspond.
For each partition board 5, two exhausting holes are both provided on each partition board 5, and the quantity of two exhausting holes is equal, Through-hole 6 on first row is corresponded with the through-hole 6 on second row.Such structure design, it is ensured that battery cell 4 is in partition board Proper alignment on 5 avoids the scrambling that battery cell 4 arranges in battery case 1.
In the utility model embodiment, the quantity of set through-hole 6 is more than or equal to battery list on each partition board 5 The quantity of body 4, and on each partition board 5, the spacing distance between two neighboring through-hole 6 is identical.
The quantity of set through-hole 6 can be equal to the battery cell 4 that 1 inside of battery case is included on each partition board 5 Quantity, the quantity for the battery cell 4 that the inside of battery case 1 is included can also be more than, it is only necessary to ensure that each battery cell 4 exists Corresponding through-hole 6 on partition board 5.
Wherein on each partition board 5 in set through-hole 6, the distance between two neighboring through-hole 6 is certain value.For The case where two exhausting holes is arranged on partition board 5, the distance between two neighboring through-hole 6 in same row are two neighboring from different rows The distance between through-hole 6 is equal.
The utility model embodiment also provides a kind of electric vehicle, including above-mentioned power battery.Pass through above-mentioned layering wind The power battery of air-cooled structure can effectively improve the heat-sinking capability of power battery, ensure the uniformity consistency of temperature of powered cell, And then it can ensure the stable operation of electric vehicle.
What each embodiment in this specification stressed is all difference from other examples, each embodiment Between just to refer each other for identical similar part.
Although having been described that the preferred embodiment of the utility model embodiment, those skilled in the art are once learnt Basic creative concept, then additional changes and modifications can be made to these embodiments.So appended claims are intended to solve It is interpreted as including preferred embodiment and falling into all change and modification of the utility model embodiment range.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only wrap Those elements are included, but also include other elements that are not explicitly listed, or further include for this process, method, article Or the element that terminal device is intrinsic.In the absence of more restrictions, being wanted by what sentence "including a ..." limited Element, it is not excluded that there is also other identical elements in process, method, article or the terminal device including the element.
Above-described is preferred embodiments of the present invention, it should be pointed out that for the ordinary person of the art For, it can also make several improvements and retouch under the premise of not departing from principle described in the utility model, these are improved and profit Decorations are also within the protection scope of the present utility model.

Claims (10)

1. a kind of power battery, which is characterized in that including:
Battery case, the battery case are internally provided at least two compartments, and opposite the two of the battery case End face is respectively arranged with opening;By the opening, each compartment is all formed as an air communication passage;
Multiple battery cells may be contained within the inside of the battery case, and each battery cell respectively includes being located at not Corresponding part in the same compartment.
2. power battery according to claim 1, which is characterized in that the battery case is internally provided with the electricity Space in the shell of pond is divided into an at least partition board at least two compartments, is provided with through-hole on the partition board, institute The through-hole that battery cell is worn at least one partition board is stated to be set at least two compartments.
3. power battery according to claim 2, which is characterized in that the number of set through-hole on each partition board Amount, position and size all same.
4. power battery according to claim 2, which is characterized in that be respectively arranged on each partition board two rows of logical Hole, the first exhausting hole is identical as the quantity of the second exhausting hole, and first exhausting hole is corresponded with second exhausting hole.
5. power battery according to claim 2, which is characterized in that the quantity of set through-hole on each partition board More than or equal to the quantity of the battery cell, and on each partition board, the interval between the two neighboring through-hole Apart from identical.
6. power battery according to claim 2, which is characterized in that the inner wall of the partition board and the battery case is fixed Connection.
7. power battery according to claim 2, which is characterized in that be mutually parallel between each partition board, and adjacent The distance between two partition boards are equal.
8. power battery according to claim 1, which is characterized in that the volume phase corresponding to each compartment Together.
9. power battery according to claim 1, which is characterized in that the first end of the battery cell and the battery case The first distance of top surface interval of body, the bottom surface interval second distance of the second end of the battery cell and the battery case, institute State that first end is opposite with the second end, the top surface of the battery case and the line of bottom surface hang down with the air communication passage Directly.
10. a kind of electric vehicle, which is characterized in that the electric vehicle includes power as described in any one of claim 1 to 9 Battery.
CN201820083171.9U 2018-01-18 2018-01-18 Power battery and electric automobile Expired - Fee Related CN207800829U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820083171.9U CN207800829U (en) 2018-01-18 2018-01-18 Power battery and electric automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820083171.9U CN207800829U (en) 2018-01-18 2018-01-18 Power battery and electric automobile

Publications (1)

Publication Number Publication Date
CN207800829U true CN207800829U (en) 2018-08-31

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Application Number Title Priority Date Filing Date
CN201820083171.9U Expired - Fee Related CN207800829U (en) 2018-01-18 2018-01-18 Power battery and electric automobile

Country Status (1)

Country Link
CN (1) CN207800829U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114976382A (en) * 2022-06-10 2022-08-30 浙江大学 Immersion type liquid cooling cylindrical battery pack module and electric automobile adopting same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114976382A (en) * 2022-06-10 2022-08-30 浙江大学 Immersion type liquid cooling cylindrical battery pack module and electric automobile adopting same

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180831

Termination date: 20220118