CN205900747U - Power battery and car that has it - Google Patents
Power battery and car that has it Download PDFInfo
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- CN205900747U CN205900747U CN201620775656.5U CN201620775656U CN205900747U CN 205900747 U CN205900747 U CN 205900747U CN 201620775656 U CN201620775656 U CN 201620775656U CN 205900747 U CN205900747 U CN 205900747U
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- battery
- electrokinetic cell
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- battery modules
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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 power battery and car that has it, wherein power battery includes: the battery box, the battery module, the battery module is established in the battery box, and the battery module includes a plurality of spaced apart electric cores of arranging in proper order, links to each other through electric connector between a plurality of electric cores, heat shield, heat shield are established between adjacent two electric cores, heating plate, heating plate are established in order to heat the battery module in the battery box. According to the utility model discloses a power battery, through forming the battery module with a plurality of electric core be connected together, can increase the energy density and the power density of module, through set up the heat shield between adjacent two electric cores, both can play insulating effect, can keep apart adjacent two electric cores again, block the influence of the thermal failure of single electric core effectively, through set up the heating plate in the battery box, can improve the chemical reaction efficiency of the electrolyte in the battery module, reduce internal resistance of cell, thereby improve power battery's starting power.
Description
Technical field
This utility model is related to technical field of vehicle, more particularly, to a kind of electrokinetic cell and the automobile with it.
Background technology
Electrokinetic cell system is to be combined through connection in series-parallel by multiple battery cores, forms a voltage platform relatively solid
System fixed, that current capacity is fixing.It is made up of multiple battery modules in power battery box body, battery modules are by multiple battery core groups
Become, battery modules are the secondary units of composition electrokinetic cell system, and therefore, the technical relation of battery modules is to from battery core to battery
The key technology of system, that is, the primary safety of battery system, feature and reliability are mainly by subordinate's ingredient battery mould
Group determines.
Utility model content
This utility model is intended at least solve to a certain extent one of above-mentioned technical problem.
For this reason, the utility model proposes a kind of electrokinetic cell, the structure of this electrokinetic cell is simple, compact, stable, and weight is relatively
Gently, each part connects reliability, is convenient to mount and dismount, the energy density of battery modules and power density are larger, safe to use, uses
Life-span length.
This utility model also proposes a kind of automobile with above-mentioned electrokinetic cell.
Electrokinetic cell according to this utility model first aspect, comprising: battery case;Battery modules, described battery modules set
In described battery case, described battery modules include multiple battery cores arranged spaced apart successively, pass through between multiple described battery cores
Electrical connector is connected;Heat shield, described heat shield is located between two neighboring described battery core;Heating plate, described heating plate is located at
To heat to described battery modules in described battery case.
According to electrokinetic cell of the present utility model, by multiple battery cores connect together formation battery modules, can increase
The energy density of module and power density, by arranging heat shield between two neighboring battery core, both can play the work of insulation
With two neighboring battery core can be kept apart, effectively stop the impact of the thermal failure of single battery core, by battery case again
Setting heating plate, can improve the chemical reaction efficiency of the electrolyte in battery modules, reduce the internal resistance of cell, thus improving power
The startup power of battery.The structure of this electrokinetic cell is simple, compact, stable, lighter in weight, and each part connects reliable, assembly and disassembly side
Just, the energy density of battery modules and power density are larger, safe to use, long service life.
In addition, according to electrokinetic cell of the present utility model, can also have a technical characteristic adding as follows:
According to an embodiment of the present utility model, described battery case includes: base plate;Two end plates, two described end plates
It is respectively separated the left and right two ends being opened in described base plate;Two side plates, two described side plates are respectively separated and are opened in described base plate
Before and after both sides, described side plate and described base plate and described end plate limit the accommodating chamber of open upper end;Upper lid, described upper lid can
Actively it is connected with described end plate and described side plate to open and close described accommodating chamber.
According to an embodiment of the present utility model, described battery modules have high pressure exit, described high pressure exit
It is located on described end plate.
According to an embodiment of the present utility model, described end plate is connected with described side plate with fixing described battery modules.
According to an embodiment of the present utility model, described end plate is bolted with described side plate or is weldingly connected.
According to an embodiment of the present utility model, described end plate and described side plate are respectively aluminium sheet.
According to an embodiment of the present utility model, described electrical connector is located at the front of described battery modules.
According to an embodiment of the present utility model, described electrical connector is weldingly connected with described battery core.
According to an embodiment of the present utility model, described heating plate is located at described battery modules bottom.
According to the automobile of this utility model second aspect, including the electrokinetic cell according to above-described embodiment.
Additional aspect of the present utility model and advantage will be set forth in part in the description, partly will be from explained below
In become obvious, or recognized by practice of the present utility model.
Brief description
Above-mentioned and/or additional aspect of the present utility model and advantage will from reference to the description to embodiment for the accompanying drawings below
Become obvious and easy to understand, wherein:
Fig. 1 is the structural representation of the electrokinetic cell according to this utility model embodiment;
Fig. 2 is the internal structure schematic diagram of the structure shown in Fig. 1.
Reference
100: electrokinetic cell;
10: battery case;112: end plate;113: side plate;12: upper lid;
30: battery modules;32: battery core;33: heat shield.
Specific embodiment
Embodiment of the present utility model is described below in detail, the example of described embodiment is shown in the drawings, wherein ad initio
To the element that same or similar label represents same or similar element or has same or like function eventually.Below by ginseng
The embodiment examining Description of Drawings is exemplary it is intended to be used for explaining this utility model, and it is not intended that to this utility model
Restriction.
1 and Fig. 2 specifically describe the electrokinetic cell 100 according to this utility model first aspect embodiment below in conjunction with the accompanying drawings.
Battery case 10, battery modules 30, heat shield 33 are included according to the electrokinetic cell 100 of this utility model embodiment and adds
Backing (not shown).Specifically, battery modules 30 are located in battery case 10, and battery modules 30 include multiple spaced apart successively cloth
The battery core 32 put, passes through electrical connector and is connected, heat shield 33 is located between two neighboring battery core 32, heating between multiple battery cores 32
Piece is located in battery case 10 to heat to battery modules 30.
In other words, this electrokinetic cell 100 is mainly made up of battery case 10, battery modules 30 and heat shield 33.Wherein, battery
Case 10 forms vertically (above-below direction as shown in Figure 1) and extends column, defines for accommodating battery in battery case 10
The accommodating chamber of module 30 grade part, makes electrokinetic cell 100 be assembled into one it is ensured that the structural compactness of 100 groups of electrokinetic cell.Battery
Module 30 is mainly made up of multiple battery cores 32 arranged spaced apart, and alternatively, multiple battery cores 32 can be placed side by side on electricity successively
The receiving intracavity of pond case 10, is provided with heat shield 33 between two neighboring battery core 32, both can effectively stop the heat mistake of battery core 32
Effect impact, can play the effect of insulation again, improve the safety in utilization of electrokinetic cell 100.
Further, it is provided with heating plate in battery case 10, heating plate can be connected with battery modules 30, when relatively low in temperature
Environment in, heating plate can heat to battery modules 30, thus improve the electrolyte in battery modules 30 chemical reaction effect
Rate, reduces the internal resistance of cell, thus improving the startup power of electrokinetic cell 100 it is ensured that automobile can normally start.
Thus, the electrokinetic cell 100 according to this utility model embodiment, forms electricity by multiple battery cores 32 connect together
Pond module 30, can increase energy density and the power density of module, by arranging heat shield between two neighboring battery core 32
33, both can play the effect of insulation, two neighboring battery core 32 can be kept apart again, effectively stop the heat of single battery core 32
The impact lost efficacy, by arranging heating plate in battery case 10, can improve the chemical reaction of the electrolyte in battery modules 30
Efficiency, reduces the internal resistance of cell, thus improving the startup power of electrokinetic cell 100.The structure of this electrokinetic cell 100 is simple, compact,
Stable, lighter in weight, each part connects reliability, is convenient to mount and dismount, the energy density of battery modules 30 and power density are larger, uses
Safe, long service life.
Wherein, according to an embodiment of the present utility model, battery case 10 includes base plate, 112, two side plates of two end plates
113 and upper lid 12.Specifically, two end plates 112 are respectively separated the left and right two ends being opened in base plate, and two side plates 113 are respectively
Interval is opened in the both sides in front and back of base plate, and side plate 113 limits the accommodating chamber of open upper end, upper lid 12 with base plate and end plate 112
Movably it is connected with end plate 112 and side plate 113 to open and close accommodating chamber.
That is, the battery case 10 of electrokinetic cell 100 main by base plate, 112, two side plates 113 of two end plates and on
Lid 12 composition, wherein, upper lid 12 and base plate form the rectangular slab that (left and right directions as shown in Figure 1) extends in the horizontal direction respectively
Body, and upper lid 12 and base plate respectively arranged spaced apart along the vertical direction, two end plates 112 are formed respectively vertically (as Fig. 1
Shown above-below direction) rectangular panel body that extends, and two end plates 112 arranged spaced apart in left-right direction, two side plates respectively
113 form the rectangular panel body that vertically (above-below direction as shown in Figure 1) extends respectively, and two side plate 113 edges respectively
Fore-and-aft direction is arranged spaced apart.
The left and right two ends of base plate are connected with the lower end of two end plates 112 respectively, the rear and front end of base plate respectively with two sides
The lower end of plate 113 is connected, and limits the accommodating chamber of open upper end, upper lid between base plate, two end plates 112 and two side plates 113
12 are detachably connected with end plate 112 and side plate 113 respectively.By by battery modules 30 be located at by base plate, two end plates 112,
In the battery cases 10 of two side plates 113 and upper lid 12 composition, the effect of protection battery modules 30 can be played, and can will be many
Individual battery core 32 fits together, and increases energy density and the power density of battery modules 30.
Wherein, according to an embodiment of the present utility model, battery modules 30 have high pressure exit (not shown), high pressure
Exit is located on end plate 112.Thus, high pressure exit is located on end plate 112, convenient and extraneous part electrically connects, assembly and disassembly
Convenient, connect reliable.
As shown in figure 1, according to an embodiment of the present utility model, end plate 112 is connected with side plate 113 with self-contained battery mould
Group 30.Specifically, the left and right two ends of base plate are connected with the lower end of two end plates 112 respectively, and the rear and front end of base plate is respectively with two
The lower end of individual side plate 113 is connected, and limits the accommodating chamber of open upper end between base plate, two end plates 112 and two side plates 113,
Upper lid 12 is detachably connected with end plate 112 and side plate 113 respectively.By battery modules 30 are located at by base plate, two end plates
112nd, in the battery cases 10 of two side plates 113 and upper lid 12 composition, end plate 112 and side plate 113 are by battery modules 30 and external rings
Border keeps apart, and both can play the effect of protection battery modules 30, can fit together multiple battery cores 32 again, increases battery
The energy density of module 30 and power density.
Alternatively, according to an embodiment of the present utility model, end plate 112 is bolted with side plate 113 or welds
It is connected.If end plate 112 is bolted with side plate 113, assembly manipulation can be simplified, and be convenient to mount and dismount, be easy to keep in repair, more
Change part so that battery modules 30 pick and place conveniently;If end plate 112 and side plate 113 adopt welding manner to connect it is ensured that end plate
112 with the connection reliability of side plate 113, and eliminate unnecessary assembling connecting piece, reduce material cost.
In some specific embodiments of the present utility model, end plate 112 and side plate 113 are respectively aluminium sheet.I.e. battery case
Oily aluminum processes respectively for 10 two end plates 112 and two side plates 113, and two end plates 112 and two side plates 113 are by electricity
Pond module 30 wraps up, and both can play the effect of protection battery modules 30, and the effect that again can reach radiating, heat conduction is it is ensured that electricity
The dependability of pond module 30, thus extend the service life of electrokinetic cell 100.
Wherein, according to an embodiment of the present utility model, electrical connector is located at the front of battery modules 30.Specifically,
As depicted in figs. 1 and 2, one end (upper end as shown in Figure 1) of each battery core 32 of battery modules 30 be provided with arranged spaced apart
Multiple battery cores 32, when battery modules 30 and battery case 10 assembling, can first be put by positive pole exit and negative pole exit successively
On the base plate of battery case 10, and make battery core 32 be provided with one end of positive pole exit and negative pole exit towards setting, then
Place heat shield 33 between two neighboring battery core 32, make heat shield 33 keep apart two neighboring battery core 32, then by being electrically connected
Fitting will be in series or in parallel for multiple battery cores 32, finally 112, two side plates 113 of two end plates of battery case 10 is fixed on bottom
On plate, upper lid 12 is finally fastened on the upper end of battery modules 30, completes the assembling of electrokinetic cell 100.
Alternatively, electrical connector and battery core 32 are weldingly connected.Thus, it is possible to realize the electrical connection of multiple battery cores 32, increase
The energy density of battery modules 30 and power density are it is ensured that the dependability of electrokinetic cell 100.
Specifically, electrokinetic cell 100 is in assembling, can first will be correct side by side for sufficient for correct connection in series-parallel quantity battery core 32 number
It is placed on, and the middle setting heat shield 33 in two neighboring battery core 32, two neighboring battery core 32 is separated, assembling
Become battery modules 30;Then place end plate 112 at the two ends of battery modules 30, two side plates 113 are placed in battery modules 30
Both sides, and using bolt and the fixations of two end plates 112;Then high pressure exit is securely fitted in the end plate of battery case 10
On 112;Again electrical connector is located at the upper end of battery modules 30, and the both positive and negative polarity welding by electrical connector and battery core 32, makes many
Individual battery core 32 links together;Finally upper lid 12 is fastened on the upper end of battery modules 30, and connects with end plate 112 and side plate 113
Connect, complete the assembling of electrokinetic cell 100.
Alternatively, according to an embodiment of the present utility model, heating plate is located at battery modules 30 bottom.So heating plate
Both battery modules 30 can have been heated it is ensured that electrokinetic cell 100 under the relatively low environment of temperature can normal work, greatly carry
The high dependability of electrokinetic cell 100, can avoid heating plate leakage to affect the aesthetic in appearance of electrokinetic cell 100 again
Property, make the structure of electrokinetic cell 100 compacter.
According to the automobile of this utility model second aspect embodiment, including the electrokinetic cell 100 according to above-described embodiment.By
In the electrokinetic cell 100 according to this utility model above-described embodiment, there is above-mentioned technique effect, therefore, real according to this utility model
The automobile applying example also has corresponding technique effect, and that is, the structure of this automobile is simple, and each part connects reliability, is convenient to mount and dismount, weight
Amount is relatively light, and insulation safety is higher, Stability Analysis of Structures, both can effectively stop the thermal failure of single battery core 32 from affecting, may be used again
To ensure normal work in the relatively low environment of temperature, long service life.
Other of automobile according to this utility model embodiment constitute and operate for those of ordinary skill in the art
Speech is all known, is not detailed herein.
In description of the present utility model it is to be understood that term " " center ", " longitudinal ", " horizontal ", " length ", " width
Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward ", " suitable
The orientation of instruction such as hour hands ", " counterclockwise " or position relationship are based on orientation shown in the drawings or position relationship, merely to just
In description this utility model and simplification description, rather than the device of instruction or hint indication or element must have specific side
Position, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that two or two
More than, unless otherwise expressly limited specifically.
In this utility model, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection ", " Gu
Fixed " etc. term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected;Can
To be to be mechanically connected or electrical connection;Can be to be joined directly together it is also possible to be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in this utility model.
In this utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it
D score can include the first and second feature directly contacts it is also possible to include the first and second features not to be directly contact but logical
Cross the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " include the
One feature is directly over second feature and oblique upper, or to be merely representative of fisrt feature level height be higher than second feature.First is special
Levy second feature " under ", " lower section " and " below " include fisrt feature directly over second feature and oblique upper, or only
Represent that fisrt feature level height is less than second feature.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy describing with reference to this embodiment or example
Point is contained at least one embodiment of the present utility model or example.In this manual, the schematic table to above-mentioned term
State and be not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or feature can be
Combine in an appropriate manner in any one or more embodiments or example.
Although of the present utility model embodiment has been shown and described above it is to be understood that above-described embodiment is
Exemplary it is impossible to be interpreted as that those of ordinary skill in the art is without departing from this utility model to restriction of the present utility model
Principle and objective in the case of above-described embodiment can be changed in the range of this utility model, change, replace and
Modification.
Claims (10)
1. a kind of electrokinetic cell is it is characterised in that include:
Battery case;
Battery modules, described battery modules are located in described battery case, and described battery modules include multiple arranged spaced apart successively
Battery core, between multiple described battery cores pass through electrical connector be connected;
Heat shield, described heat shield is located between two neighboring described battery core;
Heating plate, described heating plate is located in described battery case to heat to described battery modules.
2. electrokinetic cell according to claim 1 is it is characterised in that described battery case includes:
Base plate;
Two end plates, two described end plates are respectively separated the left and right two ends being opened in described base plate;
Two side plates, two described side plates are respectively separated both sides in front and back, described side plate and the described base plate being opened in described base plate
Limit the accommodating chamber of open upper end with described end plate;
Upper lid, described upper lid is movably connected with described end plate and described side plate to open and close described accommodating chamber.
3. electrokinetic cell according to claim 2 is it is characterised in that described battery modules have high pressure exit, described
High pressure exit is located on described end plate.
4. electrokinetic cell according to claim 2 is it is characterised in that described end plate is connected with described side plate with fixing described
Battery modules.
5. electrokinetic cell according to claim 4 it is characterised in that described end plate and described side plate be bolted or
It is weldingly connected.
6. electrokinetic cell according to claim 2 is it is characterised in that described end plate and described side plate are respectively aluminium sheet.
7. electrokinetic cell according to claim 1 is it is characterised in that described electrical connector is just being located at described battery modules
Face.
8. electrokinetic cell according to claim 1 is it is characterised in that described electrical connector is weldingly connected with described battery core.
9. electrokinetic cell according to claim 1 is it is characterised in that described heating plate is located at described battery modules bottom.
10. a kind of automobile is it is characterised in that include the electrokinetic cell any one of claim 1-9.
Priority Applications (1)
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CN201620775656.5U CN205900747U (en) | 2016-07-21 | 2016-07-21 | Power battery and car that has it |
Applications Claiming Priority (1)
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CN201620775656.5U CN205900747U (en) | 2016-07-21 | 2016-07-21 | Power battery and car that has it |
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CN205900747U true CN205900747U (en) | 2017-01-18 |
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ID=57773437
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CN201620775656.5U Active CN205900747U (en) | 2016-07-21 | 2016-07-21 | Power battery and car that has it |
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CN (1) | CN205900747U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112838299A (en) * | 2019-11-22 | 2021-05-25 | 比亚迪股份有限公司 | Battery, battery module, battery pack and electric vehicle |
-
2016
- 2016-07-21 CN CN201620775656.5U patent/CN205900747U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112838299A (en) * | 2019-11-22 | 2021-05-25 | 比亚迪股份有限公司 | Battery, battery module, battery pack and electric vehicle |
CN112838299B (en) * | 2019-11-22 | 2021-10-22 | 比亚迪股份有限公司 | Battery, battery module, battery pack and electric vehicle |
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