CN205900631U - Power battery and automobile with same - Google Patents
Power battery and automobile with same Download PDFInfo
- Publication number
- CN205900631U CN205900631U CN201620775622.6U CN201620775622U CN205900631U CN 205900631 U CN205900631 U CN 205900631U CN 201620775622 U CN201620775622 U CN 201620775622U CN 205900631 U CN205900631 U CN 205900631U
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- China
- Prior art keywords
- battery
- electrokinetic cell
- lid
- upper lid
- sealing strip
- 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.)
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- 238000007789 sealing Methods 0.000 claims abstract description 71
- 238000009413 insulation Methods 0.000 claims abstract description 65
- 238000009415 formwork Methods 0.000 claims abstract description 47
- 238000009434 installation Methods 0.000 claims description 22
- 238000012856 packing Methods 0.000 claims description 18
- 239000004642 Polyimide Substances 0.000 claims description 3
- 238000000071 blow moulding Methods 0.000 claims description 3
- 229920001721 polyimide Polymers 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 16
- 239000003381 stabilizer Substances 0.000 abstract 2
- 210000004027 cell Anatomy 0.000 description 89
- 230000000694 effects Effects 0.000 description 17
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 230000005611 electricity Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
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- 239000000178 monomer Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000011258 core-shell material Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 210000003168 insulating cell Anatomy 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Landscapes
- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a power battery and car that has it, wherein, power battery includes: the battery box comprises a lower box body and an upper cover; the battery module, the battery module is established in the battery box, and the battery module includes a plurality of electric cores, and every electric core includes respectively: the single battery is provided with a positive electrode leading-out end and a negative electrode leading-out end; an insulating formwork; the insulating cover is provided with an avoiding part suitable for being connected with the positive electrode leading-out end and the negative electrode leading-out end; the heat insulation sheet is arranged between two adjacent electric cores; the sealing strip, the sealing strip is established between upper cover and lower box, and the sealing strip includes: a body; the at least two upper support legs respectively abut against the upper cover; at least two lower stabilizer blades, at least two lower stabilizer blades stop respectively and support the battery box. According to the utility model discloses a power battery, simple structure, assembly process is simple, and the leakproofness is good, and the energy density and the power density of battery module are great, and is good with outside insulating properties, and the safety in utilization is high.
Description
Technical field
This utility model is related to technical field of vehicle, relates more specifically to a kind of electrokinetic cell and has its automobile.
Background technology
Electrokinetic cell system is to be combined through connection in series-parallel by multiple battery cores, forms a voltage platform relatively solid
Fixed, the fixing system of current capacity.Rectangular cell shell majority positively charged or faint potential, when multiple battery cores are grouped together
When, can contact between battery core, when series connection, short circuit can be caused, so needing between battery core to do insulation protection.
The insulation protection of the battery core of the electrokinetic cell in correlation technique is by placing insulation between two neighboring battery core
Piece, this insulating trip can ensure that between battery core be insulating properties in groups afterwards.But this kind of insulation mode still suffers from following risk:
1) there is the risk that battery core shell contacts with each other in an assembling process, easily cause short circuit;2) after in groups, another the one of battery core
Side or top surface (not by the face of insulation protection) can be touched with instrument touching or with the metal parts of battery modules, exist short
The risk on road, safety is low.
Furthermore, electrokinetic cell is the power source of electric automobile, the Battery case of electrokinetic cell be load battery cell and
The carrier of control unit, the Battery case that general vehicle chassis is installed has following requirement: 1) lightweight;2) degree of protection requires
High;3) stand vibration test needs to meet gb31467.3-2005.The lower box of the Battery case in correlation technique is panel beating, casting
Aluminum or section bar aluminum casing, upper lid typically adopts aluminum or light flame-retardant nonmetallic materials, yet with the volume of Battery case
Larger, the sealing of lower box and upper lid annoyings numerous developers always.
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, lightweight, cost
Low, each part connects reliability, is convenient to mount and dismount, and assembly process is simple, good airproof performance, the energy density of battery modules and power density
Larger, with outside good insulation preformance, safe to use, long service life.
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, described battery case includes lower box and upper
Lid, defines accommodating chamber in described nowel body, and described upper lid is movably connected described to open and close with described lower box
Accommodating chamber;Battery modules, described battery modules are located in described battery case, and described battery modules include multiple spaced apart successively cloth
The battery core put, passes through electrical connector and is connected, each described battery core includes respectively: cell, described between multiple described battery cores
Cell has positive pole exit and negative pole exit;Insulation formwork, defines in described insulation formwork and is suitable to described in installation
The installation cavity of cell, the open at one end of described insulation formwork forms the opening installing described cell;Insulating lid, described
Insulating lid is located at described opening and sentences the described installation cavity of closing, described insulating lid be provided be suitable to pick out described positive pole exit and
The relief portion of described negative pole exit;Heat shield, described heat shield is located between two neighboring described battery core;Sealing strip, described
Sealing strip is located to close the gap between described upper lid and described lower box between described upper lid and described lower box, described close
Strip of paper used for sealing includes: body;Leg at least two, described at least two, upper leg is respectively separated the upper end being opened in described body,
Upper leg described at least two only supports described upper lid respectively;At least two lower support legs, described at least two, lower support leg is respectively separated
It is opened in the lower end of described body, lower support leg described at least two only supports described battery case respectively.
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 again;By in cell
Outside setting insulation formwork and insulating lid, both cell can be kept apart with external devices, thus playing insulation effect,
Avoid the security risk producing because of the Insulation Problems of battery, cell can be played with the effect of protection again, it is to avoid in peace
Collide with during dress.
Furthermore, by lower box and on cover between setting there is the sealing strip of leg and lower support leg on multiple, Ke Yishi
Now multi-sealed between casing and upper lid, thus effectively improving the sealing between lid and lower box, and then improve
The dependability of electrokinetic cell.The structure of this electrokinetic cell is simple, compact, lightweight, low cost, and each part connects reliability,
It is convenient to mount and dismount, assembly process is simple, good airproof performance, the energy density of battery modules and power density are larger, with outside insulation
Performance is good, 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 bolted with described side plate or is weldingly connected.
According to an embodiment of the present utility model, described electrical connector is located at the front of described battery modules, described electricity
Connector is weldingly connected with described battery core.
According to an embodiment of the present utility model, described cell is generally formed into cuboid, described insulator die
The opening of shell is formed as rectangle.
According to an embodiment of the present utility model, described insulation formwork is by polyimides blow molding.
According to an embodiment of the present utility model, described sealing strip is double sealing bar, the cutting of described double sealing bar
Face is generally formed into H-shaped, and described upper lid is connected by securing member with described battery case, and described double sealing bar is provided with and is suitable to institute
State the avoidance hole that securing member passes through, described avoidance hole set on the body and be located at two described upper legs and two described under
Between leg.
According to an embodiment of the present utility model, described securing member is formed as fastening bolt, and described electrokinetic cell also wraps
Include packing ring, described packing ring is located at described avoidance in the hole and is suitable to described fastening bolt and passes through.
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.
Fig. 3 is the structural representation of the battery core of the battery modules according to this utility model embodiment;
Fig. 4 is the structural representation at a visual angle of insulation formwork of the structure shown in Fig. 3;
Fig. 5 is the structural representation at another visual angle of insulation formwork of the structure shown in Fig. 3;
Fig. 6 is the structural representation of the insulating lid of the structure shown in Fig. 3;
Fig. 7 is the assembly flow charts of the battery core of the battery modules shown in Fig. 3.
Fig. 8 is the partial view of the battery case according to this utility model embodiment;
Fig. 9 is the installation diagram with packing ring for the sealing strip of the battery case according to this utility model embodiment;
Figure 10 is the structural representation of the sealing strip shown in Fig. 9;
Figure 11 is the structural representation of the packing ring shown in Fig. 9.
Reference
100: electrokinetic cell;
10: battery case;
11: lower box;112: end plate;113: side plate;114: installing plate;
12: upper lid;
30: battery modules;
32: battery core;
321: cell;3211: positive pole exit;3212: negative pole exit;
322: insulation formwork;322a: installation cavity;
323: insulating lid;323a: relief portion;
33: heat shield;
70: sealing strip;
71: body;71a: avoid hole;
72: upper leg;
73: lower support leg;
80: securing member;
90: packing ring.
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.
Combine accompanying drawing 1 first below and specifically describe the electrokinetic cell according to this utility model first aspect embodiment to Figure 11
100.
As shown in Fig. 1 and Fig. 2, Fig. 8, battery case 10, battery are included according to the electrokinetic cell 100 of this utility model embodiment
Module 30, heat shield 33, sealing strip 70.Specifically, battery case 10 includes lower box 11 and upper lid 12, limits in lower box 11
There is accommodating chamber, upper lid 12 is movably connected with lower box 11 to open and close accommodating chamber, and battery modules 30 are located at battery case
In 10, battery modules 30 include multiple battery cores 32 arranged spaced apart successively, pass through electrical connector and be connected between multiple battery cores 32,
Heat shield 33 is located between two neighboring battery core 32.
In other words, this electrokinetic cell 100 is mainly made up of battery case 10, battery modules 30, heat shield 33, sealing strip 70.
With reference to Fig. 1, battery case 10 forms vertically (above-below direction as shown in Figure 1) and extends column, and lower box 11 is by multiple peaces
Dress plate 114 forms, and multiple installing plates 114 are connected to limit the accommodating chamber of open upper end, so that electrokinetic cell 100 is assembled into one,
Ensure the structural compactness of 100 groups of electrokinetic cell.Battery modules 30 are mainly made up of multiple battery cores 32 arranged spaced apart, optional
Ground, multiple battery cores 32 can be placed side by side on the receiving intracavity of battery case 10 successively, be provided with heat-insulated between two neighboring battery core 32
Piece 33, both can stop the thermal failure of battery core 32 to affect effectively, can play the effect of insulation again, improve electrokinetic cell 100
Safety in utilization.
As shown in Figure 3 and Figure 4, each battery core 32 includes cell 321, insulation formwork 322 and insulating lid 323 respectively.
Specifically, cell 321 has positive pole exit 3211 and negative pole exit 3212, defines suitable in insulation formwork 322
In the installation cavity 322a installing cell 321, the open at one end of insulation formwork 322 forms the opening installing cell 321,
Insulating lid 323 is located at opening and sentences closing installation cavity 322a, and insulating lid 323 is provided with and is suitable to pick out positive pole exit 3211 and bears
Relief portion 323a of pole exit 3212.
That is, this battery modules 30 is mainly made up of multiple connected battery cores 32.Wherein, each battery core 32 main by
Cell 321, insulation formwork 322 and insulating lid 323 form, and cell 321 has positive pole exit 3211 and negative pole draws
Go out end 3212, in insulation formwork 322, define the unlimited installation cavity 322a in one end (upper end as shown in Figure 4), cell 321
It is arranged in the installation cavity 322a of insulation formwork 322, the opening that insulating lid 323 is located at insulation formwork 322 sentences closing installation cavity
The opening of 322a, and insulating lid 323 has two relief portion 323a, and after the completion of battery core 32 assembling, cell 321 is just
Pole exit 3211 and negative pole exit 3212 are drawn from two relief portion 323a of insulating lid 323 respectively, convenient and external electrical
Road connects.
Alternatively, the shape of cell 321 can be consistent with the shape of the installation cavity 322a of insulation formwork 322,
I.e. cell 321 load insulation formwork 322 installation cavity 322a in when, the outer surface of cell 321 with insulation formwork 322
Inner surface be close to, cell 321 both can have been avoided to shake in installation cavity 322a, can play and external devices again
The effect of insulation.
Specifically, insulation formwork 322, in assembling, first can be preheated, so that insulation formwork 322 is expanded by each battery core 32,
Facilitate the installation of cell 321, then cell 321 is pressed in the installation cavity 322a of insulation formwork 322, in this process
In, need to ensure the positive pole exit 3211 of cell 321 and negative pole exit 3212 upward, the convenient company with external circuit
Connect, finally insulating lid 323 is attached to the upper surface of cell 321, and by the positive pole exit 3211 of cell 321 and bears
Pole exit 3212 is drawn from two relief portion 323a.
Further, as shown in figure 8, sealing strip 70 is located between lid 12 and lower box 11 with closed above 12 and nowel
Gap between body 11, sealing strip 70 includes leg 72 and at least two lower support legs 73 on body 71, at least two.Concrete and
Speech, at least two, leg 72 is respectively separated the upper end being opened in body 71, and at least two, leg 72 only supports upper lid 12 respectively,
At least two lower support legs 73 are respectively separated the lower end being opened in body 71, and at least two lower support legs 73 only support battery case 10 respectively.
Specifically, battery case 10 is main is made up of with upper lid 12 lower box 11, and lower box 11 is vertically (as Fig. 8 institute
The above-below direction showing) extend, define the accommodating chamber of open upper end in lower box 11, battery modules 30 are removably mounted on down
The receiving intracavity of casing 11, the upper end that upper lid 12 is removably mounted at lower box 11 is opened with the upper end opening and closing lower box 11
Mouthful, specifically, between the lower surface of the upper end of lower box 11 and upper lid 12, it is provided with sealing strip 70, when battery case 10 assembling completes
Afterwards, the sealing strip 70 between lower box 11 and upper lid 12 can ensure that the sealing of battery case 10.
Wherein, the upper surface of the body 71 of sealing strip 70 is provided with multiple upper legs along its spaced apart width wise arrangement
72, on each, leg 72 extends along the length direction of body 71, and the lower surface of the body 71 of sealing strip 70 is provided with multiple wide along it
Degree direction lower support leg 73 arranged spaced apart, each lower support leg 73 extends along the length direction of body 71, when electrokinetic cell 100 fills
After the completion of joining, the upper lid 12 of battery case 10 and lower box 11 are fastenedly connected, the multiple upper leg 72 of sealing strip 70 respectively with upper lid
12 lower surface only supports and is connected, and multiple lower support legs 73 of sealing strip 70 are only supported with the upper surface of lower box 11 respectively and are connected, thus
Sealing between lid 12 and lower box 11 in guarantee.
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 insulation formwork 322 and insulating lid 323 in the outside of cell 321, both can be by cell
321 are kept apart with external devices, thus playing insulation effect, it is to avoid the security risk producing because of the Insulation Problems of battery, and
Cell 321 can be played with the effect of protection, it is to avoid collide with installation process.
Furthermore, by lower box 11 and between lid 12 setting there is the sealing strip of leg 72 and lower support leg 73 on multiple
70, it is possible to achieve multi-sealed between lower box 11 and upper lid 12, thus effectively improving between lid 12 and lower box 11
Sealing, and then improve electrokinetic cell 100 dependability.The structure of this electrokinetic cell 100 is simple, compact, lightweight,
Low cost, each part connects reliability, is convenient to mount and dismount, and assembly process is simple, good airproof performance, the energy density of battery modules 30 and work(
Rate density is larger, with outside good insulation preformance, safe to use, long service life.
Wherein, according to an embodiment of the present utility model, battery case 10 include base plate (not shown), two end plates 112,
Two side 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, two side plates
113 are respectively separated the both sides in front and back being opened in base plate, and side plate 113 limits the accommodating chamber of open upper end with base plate and end plate 112,
Upper lid 12 is movably 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.
Alternatively, according to an embodiment of the present utility model, end plate 112 is bolted with side plate 113 or welds
It is connected.I.e. oily aluminum processes respectively for two end plates 112 of battery case 10 and two side plates 113, two end plates 112 and two
Battery modules 30 are wrapped up by individual side plate 113, both can play the effect of protection battery modules 30, can reach radiating, heat conduction again
Effect it is ensured that the dependability of battery modules 30, thus extending the service life of electrokinetic cell 100.
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
Positive pole exit 3211 and negative pole exit 3212, when battery modules 30 and battery case 10 assembling, can be first by multiple battery cores
On 32 base plates being successively placed on battery case 10, and make battery core 32 be provided with the one of positive pole exit 3211 and negative pole exit 3212
End towards setting, then between two neighboring battery core 32 place heat shield 33, make heat shield 33 by two neighboring battery core 32 every
Leave, then will be in series or in parallel for multiple battery cores 32 by electrical connector, finally by two end plates 112, two of battery case 10
Side plate 113 is fixed on base 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.
In some specific embodiments of the present utility model, cell 321 is generally formed into cuboid, insulator die
The opening of shell 322 is formed as rectangle.Specifically, as shown in Figure 3 and Figure 4, cell 321 is formed vertically (as Fig. 3
Shown above-below direction) cuboid that extends, insulation formwork 322 forms vertically (above-below direction as shown in Figure 4) and prolongs
Stretch and open upper end cuboid it is preferable that insulation formwork 322 is equal in the wall thickness of various location, i.e. insulation formwork 322
The shape of installation cavity 322a is identical with the shape of cell 321, and the upper end open of insulation formwork 322 is formed as rectangle, so
Both can ensure that the uniformity of the insulation effect in various location for the cell 321, can ensure that the profile of this battery core 32 again
Aesthetic property and structural compactness, and this insulation formwork 322 convenient formation, processing, easy to manufacture.
Alternatively, insulation formwork 322 is by polyimides blow molding.Had relatively by the insulation formwork 322 of this material manufacture
Good insulation effect, and convenient formation, simple to operate.Certainly, this utility model is not limited to this, and insulation formwork 322 uses
Insulant can also be other non-metal insulating materials, and the material of insulating lid 323 can with insulation formwork 322 material
Identical, it would however also be possible to employ other insulant.
Wherein, according to an embodiment of the present utility model, insulating lid 323 is formed as lamellar, insulating lid 323 and monomer electricity
Pond 321 bonding is connected.
With reference to Fig. 3 and Fig. 4, insulation formwork 322 forms the peace defining open upper end in cuboid, and the formwork 322 that insulate
Behave affectedly 322a, and cell 321 forms cuboid corresponding with the shape of installation cavity 322a, the i.e. upper surface of cell 321
For plane, wherein, the upper surface of cell 321 is provided with positive pole exit 3211 arranged spaced apart and negative pole exit
3212, thus the convenient connection with external electric device.
Further, insulating lid 323 forms (horizontal direction as shown in Figure 6) in the horizontal direction and extends plate, insulating lid
323 have two relief portion 323a arranged spaced apart, and such as relief portion 323a can be escape groove.When cell 321 fills
Enter to insulate formwork 322 installation cavity 322a after, can by insulating lid 323 with double faced adhesive tape or other binding agents be pasted onto monomer electricity
The upper surface in pond 321 is to close the upper end open of insulation formwork 322, and by the positive pole exit 3211 of cell 321 and bears
Pole exit 3212 is corresponding with two relief portion 323a positions of insulating lid 323, it is to avoid insulating lid 323 is by cell 321
Positive pole exit 3211 and negative pole exit 3212 cover.
Thus, four side walls of cell 321 and diapire are kept apart by insulation formwork 322 with external devices, and insulate
Lid 323 is by the roof of cell 321 (removing the position of positive pole exit 3211 and negative pole exit 3212) and external devices
Keep apart, thus ensureing the hexahedro insulation of cell 321, in all directions insulation processing being carried out to cell 321, not staying
Dead angle.
Specifically, insulating lid 323, in assembling, first can be bonded in the upper surface of cell 321 by each battery core 32,
And so that the positive pole exit 3211 of cell 321 and negative pole exit 3212 is exposed, conveniently it is electrically connected with external devices,
Then insulation formwork 322 is preheated, so that insulation formwork 322 is expanded, then the formwork 322 that will insulate is from cell 321
Bottom up suit, make cell 321 be pressed into insulation formwork 322 installation cavity 322a in, in the process, need ensure
Upward, the convenient connection with external circuit, finally will be many for the positive pole exit 3211 of cell 321 and negative pole exit 3212
The individual battery core 32 assembling is connected and/or in parallel respectively, is assembled into one, completes the assembling of battery modules 30.This battery modules 30
Assembling process simple it is not necessary to unnecessary assembly tool, the battery core 32 after the completion of assembling, structure is simple, formwork 322 He of insulating
Cell 321 and external devices are kept apart by insulating lid 323, and good insulation preformance is safe.
As Fig. 9 and Figure 10, in some specific embodiments of the present utility model, sealing strip 70 is double sealing bar 70,
The section of double sealing bar 70 is generally formed into H-shaped, and upper lid 12 is connected by securing member 80 with battery case 10, double sealing bar 70
It is provided with the avoidance hole 71a being suitable to that securing member 80 passes through.
That is, this sealing strip 70 is main being made up of 71, two upper legs 72 of body and two lower support legs 73, wherein,
Two upper legs 72 are respectively provided at upper surface and the spaced apart width wise arrangement along body 71 of body 71, two upper legs 72
The side mutually deviating from is concordant with the both sides of body 71 respectively, and two upper legs 72 are respectively provided at the lower surface of body 71 and along body
71 spaced apart width wise arrangement, the side that two lower support legs 73 mutually deviate from is concordant with the both sides of body 71 respectively, makes sealing
The outline of the cross section of bar 70 substantially forms H-shaped.
After the completion of upper lid 12 is assembled with lower box 11, two upper legs 72 of double sealing bar 70 are only against lid 12 respectively
Lower surface, two lower support legs 73 of double sealing bar 70 are only against the upper end of lower box 11 respectively, battery case 10 from interior to
On outer direction, form two seals defence line, greatly increase the sealing of battery case 10, and, two upper leg 72 Hes
Two lower support legs 73 can effectively improve the sealing of battery case 10 in axial, the laterally generation elastic deformation of battery case 10.
Specifically, double sealing bar 70, in assembling, first can be located at the upper of lower box 11 by upper lid 12 and lower box 11
On end face, and make the avoidance hole 71a on double sealing bar 70 just right with the installing hole on the upper surface of lower box 11, then again will
Upper lid 12 covers to close the upper end open of lower box 11 on lower box 11, finally securing member 80 is passed through upper lid 12 and wears
Cross the avoidance hole 71a of double sealing bar 70 with the installing hole of lower box 11 it is ensured that being fixedly connected of upper lid 12 and lower box 11, when
Need take out battery case 10 in battery modules 30 when, can by securing member 80 from upper lid 12 on dismantle under, then by upper lid 12,
Double sealing bar 70 takes off successively, assembling and dissembling process, easy to operate.
Preferably, according to an embodiment of the present utility model, avoid hole 71a and be located on body 71 and be located at two upper
Between foot 72 and two lower support legs 73.Thus, it is located at two above between leg 72 and two lower support legs 73 by avoiding hole 71a, can
To ensure the structural intergrity of double sealing bar 70, it is to avoid double sealing bar 70 departs from from securing member 80, thus covering on ensureing
Sealing between 12 and lower box 11.
Alternatively, as shown in figures 9 and 11, according to an embodiment of the present utility model, securing member 80 is formed as fastening
Bolt, electrokinetic cell 100 also includes packing ring 90, and packing ring 90 is located to avoid in the 71a of hole and be suitable to fastening bolt and passes through.
Specifically, double sealing bar 70 and packing ring 90 are assembled together, and form parts, and battery case 10 is in assembling
When, first the overall structure of double sealing bar 70 and packing ring 90 is positioned on lower box 11, then upper lid 12 is fastened on down
On casing 11, fastening bolt is recycled to fasten upper lid 12 and lower box 11, lid 12 and being fixedly connected of lower box 11 in realization,
And double sealing bar 70 can ensure that the sealing between lid 12 and lower box 11.
Need exist for illustrating, in fastener cycle, in the presence of fastening bolt, upper lid 12 compression double sealing bar
70, after upper lid 12 and the upper-end contact of packing ring 90, fastening bolt is further continued for tightening, and the pressure of fastening bolt will be directly delivered to
On packing ring 90, rather than it is delivered on double sealing bar 70.Therefore, by sealing strip 70 setting packing ring 90 it is ensured that
In assembling process, the deflection of double sealing bar 70 be consistent, thus being ensured using the consistent deflection of double sealing bar 70
Contact face seal between lower box 11 and double sealing bar 70, between double sealing bar 70 and upper lid 12, double sealing bar
Two of 70 upper legs 72 and two lower support legs 73 can dual guarantee sealing reliability.
Preferably, according to an embodiment of the present utility model, packing ring 90 is located on lid 12 or lower box 11, packing ring 90
Axial height be equal to body 71 thickness.So can ensure that after upper lid 12 and the upper-end contact of packing ring 90, fastening bolt
It is further continued for tightening, the pressure of fastening bolt can be directly passed on packing ring 90, rather than be delivered on double sealing bar 70, from
And ensure that double sealing bar 70 is consistent in the deflection of various location, improve sealing strip 70 between upper lid 12 and lower box 11
Sealing effectiveness.
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, dress
Allotment of labor's sequence is simple, lighter in weight, and insulation safety is higher, Stability Analysis of Structures, can effectively stop the heat mistake of single battery core 32
Effect impact, the good airproof performance of electrokinetic cell 100, the high long service life of dependability.
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, described battery case includes lower box and Shang Gai, defines accommodating chamber in described nowel body, and described upper lid is movable
Ground is connected with described lower box to open and close described accommodating chamber;
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, each described battery core includes respectively:
Cell, described cell has positive pole exit and negative pole exit;
Insulation formwork, defines the installation cavity being suitable to install described cell in described insulation formwork, described insulation formwork
Open at one end forms the opening installing described cell;
Insulating lid, described insulating lid is located at described opening and sentences the described installation cavity of closing, and described insulating lid is provided with and is suitable to pick out
Described positive pole exit and the relief portion of described negative pole exit;
Heat shield, described heat shield is located between two neighboring described battery core;
Sealing strip, described sealing strip be located at described upper lid and described lower box between with close described upper lid with described lower box it
Between gap, described sealing strip includes:
Body;
Leg at least two, described at least two, upper leg is respectively separated the upper end being opened in described body, at least two institutes
State leg and only support described upper lid respectively;
At least two lower support legs, lower support leg described at least two is respectively separated the lower end being opened in described body, at least two institutes
State lower support leg and only support described battery case respectively.
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 3 it is characterised in that described end plate and described side plate be bolted or
It is weldingly connected.
5. electrokinetic cell according to claim 1 is it is characterised in that described electrical connector is just being located at described battery modules
Face, described electrical connector is weldingly connected with described battery core.
6. electrokinetic cell according to claim 1 is it is characterised in that described cell is generally formed into cuboid,
The opening of described insulation formwork is formed as rectangle.
7. electrokinetic cell according to claim 1 is it is characterised in that described insulation formwork is by polyimides blow molding.
8. electrokinetic cell according to claim 1 it is characterised in that described sealing strip be double sealing bar, described two pass
The section of sealing strip is generally formed into H-shaped, and described upper lid is connected by securing member with described battery case, on described double sealing bar
Be provided with the avoidance hole being suitable to that described securing member passes through, described avoidance hole set on the body and be located at two described upper legs and
Between two described lower support legs.
9. electrokinetic cell according to claim 8 is it is characterised in that described securing member is formed as fastening bolt, described dynamic
Power battery also includes packing ring, and described packing ring is located at described avoidance in the hole and is suitable to described fastening bolt and passes through.
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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CN201620775622.6U CN205900631U (en) | 2016-07-21 | 2016-07-21 | Power battery and automobile with same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620775622.6U CN205900631U (en) | 2016-07-21 | 2016-07-21 | Power battery and automobile with same |
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Publication Number | Publication Date |
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CN205900631U true CN205900631U (en) | 2017-01-18 |
Family
ID=57774166
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CN201620775622.6U Expired - Fee Related CN205900631U (en) | 2016-07-21 | 2016-07-21 | Power battery and automobile with same |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106910851A (en) * | 2017-04-26 | 2017-06-30 | 北京新能源汽车股份有限公司 | Battery module, battery package and vehicle |
CN107302070A (en) * | 2017-07-17 | 2017-10-27 | 镇江科信动力系统设计研究有限公司 | The battery bracket and battery modules of a kind of plug-in type series connection |
CN110311076A (en) * | 2019-08-02 | 2019-10-08 | 深圳市雄韬锂电有限公司 | Battery core protects structure, battery core unit and battery module structure |
CN112635883A (en) * | 2020-11-27 | 2021-04-09 | 北京未来智酷汽车科技有限公司 | New energy automobile battery package |
CN115020893A (en) * | 2019-01-09 | 2022-09-06 | 比亚迪股份有限公司 | Monomer battery, power battery package and electric motor car |
-
2016
- 2016-07-21 CN CN201620775622.6U patent/CN205900631U/en not_active Expired - Fee Related
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106910851A (en) * | 2017-04-26 | 2017-06-30 | 北京新能源汽车股份有限公司 | Battery module, battery package and vehicle |
CN106910851B (en) * | 2017-04-26 | 2020-03-10 | 北京新能源汽车股份有限公司 | Battery module, battery package and vehicle |
CN107302070A (en) * | 2017-07-17 | 2017-10-27 | 镇江科信动力系统设计研究有限公司 | The battery bracket and battery modules of a kind of plug-in type series connection |
CN115020893A (en) * | 2019-01-09 | 2022-09-06 | 比亚迪股份有限公司 | Monomer battery, power battery package and electric motor car |
CN115020886A (en) * | 2019-01-09 | 2022-09-06 | 比亚迪股份有限公司 | Single battery, power battery pack and electric vehicle |
CN115020893B (en) * | 2019-01-09 | 2024-01-09 | 比亚迪股份有限公司 | Single battery, power battery pack and electric vehicle |
CN115020886B (en) * | 2019-01-09 | 2024-01-26 | 比亚迪股份有限公司 | Single battery, power battery pack and electric vehicle |
US11955651B2 (en) | 2019-01-09 | 2024-04-09 | Byd Company Limited | Power battery pack and electric vehicle |
US12068492B2 (en) | 2019-01-09 | 2024-08-20 | Byd Company Limited | Power battery pack and electric vehicle |
CN110311076A (en) * | 2019-08-02 | 2019-10-08 | 深圳市雄韬锂电有限公司 | Battery core protects structure, battery core unit and battery module structure |
CN112635883A (en) * | 2020-11-27 | 2021-04-09 | 北京未来智酷汽车科技有限公司 | New energy automobile battery package |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
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: 20170118 Termination date: 20210721 |