CN205900629U - Power battery and car that has it - Google Patents
Power battery and car that has it Download PDFInfo
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- CN205900629U CN205900629U CN201620775382.XU CN201620775382U CN205900629U CN 205900629 U CN205900629 U CN 205900629U CN 201620775382 U CN201620775382 U CN 201620775382U CN 205900629 U CN205900629 U CN 205900629U
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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: battery box, battery box include box and upper cover down, and lower box includes a plurality of mounting panels, and it has cavity, the pilot hole that is equipped with to prescribe a limit to in at least one mounting panel on the mounting panel, fixed plate, fixed plate set firmly in the cavity, the mounting, the mounting is the same with the fixed plate material and the welding is continuous, the fastener, the fastener links to each other with the mounting, battery module, battery module include a plurality of electric cores, and every electric core includes: battery cell, battery cell have the positive pole and draw forth end and cathode extraction end, the insulating film shell, the insulating lid is equipped with on to be suitable for and connects out the positive pole to draw forth the portion that dodges that end and cathode extraction were held, heat shield, heat shield are established between adjacent two electric cores. According to the utility model discloses a power battery, simple structure, weight is lighter, and each part is connected reliably, installs and removes the convenience, and the energy density and the power density of battery module are great, use the reliability high, long service life.
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
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 can provide power source for electric automobile, and Battery case is to load battery cell and control single
The carrier of unit, the Battery case that general vehicle chassis is installed has following requirement: 1) lightweight；2) degree of protection has high demands；3) platform
Frame vibration test needs to meet gb31467.3-2005.Battery case in correlation technique be aluminium section bar casing, have lightweight,
The advantages of gas hole defect is few, but when needing bolt fixing, because aluminum is relatively low relative to steel strength, fragility is high, if
Direct tapping being fixed using steel bolt on aluminum, often brings running, situations such as rupture in hole side, simultaneously as aluminum
The welding quality of material pieces and steel nut is very bad, is difficult to directly weld steel nut with aluminium, according to staking spiral shell
The fixed forms such as mother, steel-wire screw-socket, due to blind nut, in staking, technological requirement is high, and concordance is difficult to ensure that, and steel wire spiral shell
If set assembles repeatedly or by after judder, swivel nut has the danger of fracture.
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, and dependability is high, makes
Use 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, 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, described lower box includes multiple installing plates, and multiple described installing plate cooperations limit described accommodating chamber, at least one institute
State and in installing plate, define cavity, described installing plate is provided with the pilot hole with the conducting of described cavity；Fixed plate, described fixed plate
It is installed in described cavity；Fixture, described fixture is located in described fixed plate, described fixture and described fixed plate material
Identical and be weldingly connected；Securing member, described securing member passes through described upper lid to be connected with described fixture with described pilot hole；Battery
Module, described battery modules are located in described battery case, and described battery modules include multiple battery cores arranged spaced apart successively, many
Pass through electrical connector between individual described battery core to be connected, each described battery core includes respectively: cell, described cell has
Positive pole exit and negative pole exit；Insulation formwork, defines, in described insulation formwork, the peace being suitable to install described cell
It behave affectedly, the open at one end of described insulation formwork forms the opening installing described cell；Insulating lid, described insulating lid is located at institute
State opening and sentence the described installation cavity of closing, described insulating lid is provided with and is suitable to pick out described positive pole exit and the extraction of described negative pole
The relief portion at end；Heat shield, described heat shield is located between two neighboring described battery core.
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.The structure of this battery modules is simple, each part connect reliable, assembly process simple it is easy to operation, with
Outside good insulation preformance, safe to use.Furthermore, by material identical fixture is arranged in fixed plate, and will
The fixed plate being provided with fixture is located in the cavity of installing plate, facilitates the connection of fixture and installing plate, thus on convenient lid with
Lower box connects it is ensured that upper lid and the connection reliability of lower box, is directly connected with securing member with fixture in correlation technique
Assembling mode is compared, and this fixed plate both can be by the fastening force dispersion of securing member and fixture, it is to avoid installing plate and fixture
Connected position is damaged, and greatly increases the structural strength of lower box, can facilitate the installation of fixture again, simplify
Assembly process.The structure of this electrokinetic cell is simple, compact, stable, lighter in weight, each part connects reliability, is convenient to mount and dismount, electricity
The energy density of pond module and power density are larger, and dependability is high, 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, the section of described cavity is generally formed into rectangle, and described pilot hole sets
On the roof of described installing plate, described fixed plate includes: department of assembly, and described department of assembly is located at the top of described cavity, described
Fixture is located in described department of assembly；Supporting part, described supporting part is connected with described department of assembly, and described supporting part only supports described sky
The diapire in chamber is with fixing described department of assembly.
According to an embodiment of the present utility model, described fixture is nut, and described securing member is to fit with described nut
The bolt joined, described fixture is respectively steel materials and parts with described fixed plate, and described installing plate is aluminium materials and parts.
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 installation diagram with fixed plate for the lower box of the battery case according to this utility model embodiment；
Fig. 9 is the structural representation of the lower box of the battery case according to this utility model embodiment；
Figure 10 is the installation diagram with securing member for the fixed plate of the battery case according to this utility model embodiment；
Figure 11 is the structural representation of the securing member of the structure shown in Figure 10.
Reference
100: electrokinetic cell；
10: battery case；
11: lower box；112: end plate；113: side plate；114: installing plate；1141: cavity；1142: dress
Distribution；
12: upper lid；
13: fixed plate；131: department of assembly；132: supporting part；
14: fixture；
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.
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 Figure 1, Figure 2 with shown in Fig. 8, include battery case 10, fix according to the electrokinetic cell 100 of this utility model embodiment
Plate 13, fixture 14, securing member (not shown), battery modules 30 and heat shield 33.
Specifically, battery case 10 includes lower box 11 and upper lid 12, defines accommodating chamber, upper lid 12 can in lower box 11
Actively it is connected with lower box 11 to open and close accommodating chamber, lower box 11 includes multiple installing plates 114, multiple installing plates
114 cooperations limit accommodating chamber, define cavity 1141, installing plate 114 is provided with and cavity at least one installing plate 114
The pilot hole 1142 of 1141 conductings, fixed plate 13 is installed in cavity 1141, and fixture 14 is located in fixed plate 13, fixture 14
Identical with fixed plate 13 material and be weldingly connected, securing member passes through upper lid 12 to be connected with fixture 14 with pilot hole 1142；, battery
Module 30 is located in battery case 10, and battery modules 30 include multiple battery cores 32 arranged spaced apart successively, between multiple battery cores 32
It is connected by electrical connector, heat shield 33 is located between two neighboring battery core 32.
In other words, this electrokinetic cell 100 is mainly by battery case 10, fixed plate 13, fixture 14, securing member, battery modules
30 and heat shield 33 form.Wherein, battery case 10 forms vertically (above-below direction as shown in Figure 1) and extends column, electricity
Define the accommodating chamber for accommodating battery modules 30 grade part in pond case 10, so that electrokinetic cell 100 is assembled into one it is ensured that power
The structural compactness that 100 groups of battery.Battery modules 30 are mainly made up of multiple battery cores 32 arranged spaced apart, alternatively, multiple
Battery core 32 can be placed side by side on the receiving intracavity of battery case 10 successively, is provided with heat shield 33, both between two neighboring battery core 32
The thermal failure that battery core 32 can effectively be stoped affects, and can play the effect of insulation again, and that improves electrokinetic cell 100 uses peace
Quan Xing.
Wherein, as shown in figure 8, lower box 11 is made up of multiple installing plates 114, multiple installing plates 114 are connected to limit
The accommodating chamber of open upper end, this accommodating chamber is used for accommodating the battery core 32 of electrokinetic cell 100, and upper lid 12 is detachably arranged in lower box
To open and close the upper end open of accommodating chamber on 11, at least one of multiple installing plates 114, define cavity 1141, should
The roof of installing plate 114 is provided with the pilot hole 1142 with cavity 1141 conducting, and the cavity 1141 of installing plate 114 is provided with fixed plate
13, wherein, the side that the roof with installing plate 114 of fixed plate 13 is opposite is provided with and its material identical fixture 14, that is, solid
Determine part 14 to be connected with installing plate 114 and be respectively positioned in the cavity 1141 of installing plate 114, one end of securing member passes through pilot hole 1142
It is connected with the fixture 14 in fixed plate 13, the other end of securing member is connected with upper lid 12, thus upper lid 12 is fixed on nowel
On body 11, and then the sealing between lid 12 and lower box 11 in guarantee.
Further, as shown in Figure 3 and Figure 4, each battery core 32 includes cell 321, insulation formwork 322 and absolutely respectively
Edge lid 323.Specifically, cell 321 has positive pole exit 3211 and negative pole exit 3212, in insulation formwork 322
Define the installation cavity 322a being suitable to install cell 321, the open at one end of insulation formwork 322 is formed installs cell
321 opening, 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 extraction
End 3211 and relief portion 323a of negative 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.
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.The structure letter of this battery modules 30
Single, each part connect reliable, assembly process simple it is easy to operation, and outside good insulation preformance, safe to use.
Furthermore, by being arranged on material identical fixture 14 in fixed plate 13, and the fixation of fixture 14 will be provided with
Plate 13 is located in the cavity 1141 of installing plate 114, facilitates the connection of fixture 14 and installing plate 114, thus on convenient lid 12 with
Lower box 11 connects it is ensured that upper lid 12 and the connection reliability of lower box 11, directly and fastens with fixture in correlation technique 14
The assembling mode that part is connected is compared, and this fixed plate 13 both can be by the fastening force dispersion of securing member and fixture 14, it is to avoid install
The position being connected with fixture 14 of plate 114 is damaged, and greatly increases the structural strength of lower box 11, can facilitate again
The installation of fixture 14, simplifies assembly process.The structure of this electrokinetic cell 100 is simple, compact, stable, lighter in weight, respectively
Part connects reliability, is convenient to mount and dismount, the energy density of battery modules 30 and power density are larger, and dependability is high, using the longevity
Life length.
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.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
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, as shown in fig. 6, according to an embodiment of the present utility model, insulating lid 323 is formed as lamellar, insulating lid
323 is bonding with cell 321 connected.
With reference to Fig. 3, insulation formwork 322 forms the installation cavity defining open upper end in cuboid, and the formwork 322 that insulate
322a, cell 321 forms cuboid corresponding with the shape of installation cavity 322a, and that is, the upper surface of cell 321 is flat
Face, wherein, the upper surface of cell 321 is provided with positive pole exit 3211 arranged spaced apart and negative pole exit 3212, from
And the conveniently 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, as shown in fig. 7, insulating lid 323, in assembling, first can be bonded in cell by each battery core 32
321 upper surface, and so that the positive pole exit 3211 of cell 321 and negative pole exit 3212 is exposed, convenient and outside device
Part is electrically connected, and is then preheated insulation formwork 322, so that insulation formwork 322 is expanded, then the formwork 322 that will insulate
From the bottom up suit of cell 321, cell 321 is made to be pressed in the installation cavity 322a of insulation formwork 322, here mistake
Cheng Zhong, needs to ensure the positive pole exit 3211 of cell 321 and negative pole exit 3212 upward, convenient and external circuit
Connect, finally multiple battery cores 32 assembling are connected respectively and/or in parallel, be assembled into one, complete the assembling of battery modules 30.
The assembling process of this battery modules 30 simply it is not necessary to unnecessary assembly tool, the battery core 32 after the completion of assembling, is tied
Structure is simple, and cell 321 and external devices are kept apart by insulation formwork 322 and insulating lid 323, good insulation preformance, safety
High.
Alternatively, according to an embodiment of the present utility model, the section of cavity 1141 is generally formed into rectangle, pilot hole
On 1142 roofs being located at installing plate 114, specifically, lower box 11 can form cuboid, and lower box 11 has five installations
Plate 114, wherein, four in five installing plates 114 form the plates that vertically (above-below direction as shown in Figure 8) extends
Body, four installing plates being arranged in a vertical direction 114 form the side wall of lower box 11, at least one of four installing plates 114
Inside define the cavity 1141 that cross section is rectangle, the roof of this installing plate 114 is provided with the pilot hole with cavity 1141 conducting
1142, the fixed plate 13 being provided with fixture 14 can stretch in cavity 1141 from the opening of cavity 1141, makes the upper of fixed plate 13
Surface is directly connected with the inner surface of the roof of installing plate 114, fixed plate 13 by the roof of fixture 14 and installing plate 114 every
Open.By being arranged on material identical fixture 14 in fixed plate 13, both facilitated the connection of fixture 14 and installing plate 114,
Thus lid 12 is connected with lower box 11 on convenient, simplify assembly process it is ensured that the connection reliability of upper lid 12 and lower box 11,
Again can be by the fastening force dispersion of securing member and fixture 14, it is to avoid the position being connected with fixture 14 of installing plate 114 is occurred
Damage, greatly increase the structural strength of lower box 11.
Further, fixed plate 13 includes department of assembly 131 and supporting part 132, and department of assembly 131 is located at the top of cavity 1141
Portion, fixture 14 is located in department of assembly 131, and supporting part 132 is connected with department of assembly 131, and supporting part 132 only supports the bottom of cavity 1141
Wall is with fixing assembling portion 131.
Specifically, as shown in Figure 10, the department of assembly 131 of fixed plate 13 be located at supporting part 132 top and with supporting part 132
Upper end be connected, the lower surface of department of assembly 131 is provided with fixture 14, when fixed plate 13 is placed on the cavity 1141 of installing plate 114
When interior, the department of assembly 131 of fixed plate 13 is connected with the inner surface of the roof of installing plate 114, and the lower end of supporting part 132 is only against peace
The diapire of the cavity 1141 of dress plate 114, one end of securing member is stretched in cavity 1141 and is connected with fixture 14, securing member another
End 12 is connected through the pilot hole 1142 of installing plate 114 with upper lid, thus cover on realizing 12 with removably the connecting of lower box 11
Connect.This fixed plate 13 makes fixture 14 can easily be located in cavity 1141, reduces assembly difficulty, simplifies assembler
Sequence, improves the production efficiency of electrokinetic cell 100.
In some specific embodiments of the present utility model, fixture 14 is nut, and securing member is to be adapted to nut
Bolt.With reference to Figure 10, fixed plate 13 is mainly made up of department of assembly 131 and multiple supporting part 132, and department of assembly 131 is formed along level
The plate body that direction extends, the middle part of the lower surface of department of assembly 131 is provided with nut, and each supporting part 132 forms and vertically prolongs
The plate body stretched, the upper end of supporting part 132 is connected with the lower surface of department of assembly 131, the bottom of the lower end of supporting part 132 and cavity 1141
Wall only supports and is connected, and securing member is bolt, and accordingly, installing plate 114 is provided with the pilot hole 1142 with cavity 1141 conducting, upper lid
12 are provided with bolt hole corresponding with pilot hole 1142 position, the lower end of bolt stretch in the cavity 1141 of installing plate 114 and with
Nut thread in fixed plate 13 connects, and the upper end of bolt passes through the pilot hole 1142 of installing plate 114 and the screwed hole of upper lid 12
Connect, thus lid 12 and being detachably connected of lower box 11 on realizing.
Thus, coordinate to limit the rotation of nut it is ensured that nut fills using the inwall of fixed plate 13 and cavity 1141
Join moment of torsion, bolt passes through nut bore and nut screwing clamping, can be by nut, installing plate 114, upper lid 12 and four parts of sealing joint strip
Effectively tighten together, workman only needs three parts of manual assembly, without the input of staking, the equipment such as press and reliable
Property is high, can repeatedly dismantle, recycles.The structure of this connected mode is simple, low cost, can reduce assembly difficulty, simplifies
Assembly process.Furthermore, nut is relatively low with bolt cost, connects reliable, is conveniently replaceable.
Wherein, according to an embodiment of the present utility model, fixture 14 is respectively steel materials and parts with fixed plate 13, installs
Plate 114 is aluminium materials and parts.The structural strength of the fixture 14 made with steel due to the installing plate 114 that aluminum is made, rigidity
Difference, if fixture 14 is directly arranged in cavity 1141 being connected with securing member, makes fixture 14 directly connect with installing plate 114
Touch, because fixture 14 is less with the contact area of installing plate 114, and the intensity of the intensity opposed fixed member 14 of installing plate 114
Poor, so can accelerate the damage of installing plate 114.
The electrokinetic cell 100 of this utility model embodiment, the fixture 14 made by Steel material is arranged on fixed plate 13
On, so that the fixed plate 13 being provided with fixture 14 is directly contacted with installing plate 114, both can facilitate fixture 14 and installing plate 114
Connection, thus lid 12 is connected it is ensured that the connection reliability of upper lid 12 and lower box 11 with lower box 11 on convenient, again can be by
Securing member is disperseed with the fastening force of fixture 14, it is to avoid the position being connected with fixture 14 of installing plate 114 is damaged, significantly
Improve the structural strength of lower box 11.
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, 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, 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 to open and close described accommodating chamber with described lower box, and described lower box includes multiple installing plates, multiple described peaces
Dress plate cooperation limits described accommodating chamber, defines cavity, described installing plate is provided with and institute at least one described installing plate
State the pilot hole of cavity conducting；
Fixed plate, described fixed plate is installed in described cavity；
Fixture, described fixture is located in described fixed plate, and described fixture is identical with described fixed plate material and welds phase
Even；
Securing member, described securing member passes through described upper lid to be connected with described fixture with described pilot hole；
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.
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 is it is characterised in that the section of described cavity is generally formed into rectangle, institute
State pilot hole to be located on the roof of described installing plate, described fixed plate includes:
Department of assembly, described department of assembly is located at the top of described cavity, and described fixture is located in described department of assembly；
Supporting part, described supporting part is connected with described department of assembly, and described supporting part only supports the diapire of described cavity with fixing described
Department of assembly.
9. electrokinetic cell according to claim 8 it is characterised in that described fixture be nut, described securing member be with
The bolt of described nut adaptation, described fixture is respectively steel materials and parts with described fixed plate, and described installing plate is aluminium materials and parts.
10. a kind of automobile is it is characterised in that include the electrokinetic cell any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620775382.XU CN205900629U (en) | 2016-07-21 | 2016-07-21 | Power battery and car that has it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620775382.XU CN205900629U (en) | 2016-07-21 | 2016-07-21 | Power battery and car that has it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205900629U true CN205900629U (en) | 2017-01-18 |
Family
ID=57773523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620775382.XU Active CN205900629U (en) | 2016-07-21 | 2016-07-21 | Power battery and car that has it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205900629U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106784511B (en) * | 2017-03-15 | 2023-08-15 | 华霆（合肥）动力技术有限公司 | Semi-sealed power supply system and automobile |
-
2016
- 2016-07-21 CN CN201620775382.XU patent/CN205900629U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106784511B (en) * | 2017-03-15 | 2023-08-15 | 华霆（合肥）动力技术有限公司 | Semi-sealed power supply system and automobile |
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| GR01 | Patent grant |