CN107230749A - A kind of Li-ion batteries piles - Google Patents
A kind of Li-ion batteries piles Download PDFInfo
- Publication number
- CN107230749A CN107230749A CN201610178023.0A CN201610178023A CN107230749A CN 107230749 A CN107230749 A CN 107230749A CN 201610178023 A CN201610178023 A CN 201610178023A CN 107230749 A CN107230749 A CN 107230749A
- Authority
- CN
- China
- Prior art keywords
- ion batteries
- batteries piles
- battery pack
- support
- battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/574—Devices or arrangements for the interruption of current
- H01M50/579—Devices or arrangements for the interruption of current in response to shock
-
- 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
Abstract
The invention discloses a kind of Li-ion batteries piles, including battery core and support, each two support one support pair of formation, multiple battery cores are installed in parallel constitutes a lithium-ion battery module in a support to centre, multiple lithium-ion battery modules order, which is installed, realizes being installed in series between battery core, battery pack structure in the present invention is fixed to battery core and battery pack, it ensure that reliability of structure, the use of support ensures the reliability of battery pack electrical connection, prevent battery from short-circuit Insulation Problems occur, shock resistance and anti-seismic performance after increasing battery in groups, single battery core thermal runaway is avoided to cause battery core thermal runaway around it.
Description
Technical field
The present invention relates to a kind of Li-ion batteries piles, particularly a kind of lithium-ion electric fastened by support
Pond group, belongs to battery pack structure design field.
Background technology
As electrokinetic cell use is more and more extensive, the battery of high voltage and high power capacity constitutes existing main flow will
Ask, in order to obtain the high-tension battery pack of high power capacity, it is necessary to which multiple batteries are gone here and there and connected, in string simultaneously
In connection procedure, the reliability for ensureing to electrically connect not only is needed, prevents battery pack from short circuit and Insulation Problems occur,
Also the stabilization of the structure of battery pack is ensured.
Block structure is used at present, there are these following shortcomings：
(1) battery core of battery pack is not completely fixed, and meeting battery pack structure is unstable during long-term vibration,
So as to influence the connection effect between battery in battery pack；
(2) battery pack surrounding need to paste epoxy plate and be insulated so that the assembling of battery pack is complex；
(3) when being impacted, the thermal runaway of single battery core easily causes the thermal runaway of battery core around it, increase
The unstability of battery pack；
(4) radiating effect is bad, is easily caused that battery pack temperature is too high, so as to influence battery pack and vehicle
Security.
The content of the invention
The technology of the present invention solves problem：Overcoming the deficiencies in the prior art, there is provided a kind of lithium ion battery
Group, the battery pack employs a kind of new battery block structure, and battery core and battery pack are fixed, and protects
Reliability of structure is demonstrate,proved, the use of support ensures the reliability of battery pack electrical connection, prevents battery from occurring short
Road Insulation Problems, shock resistance and anti-seismic performance after increasing battery in groups, it is to avoid single battery core thermal runaway is caused
Battery core thermal runaway around it.
The present invention technical solution be：A kind of Li-ion batteries piles, including battery core and support, each two
Support one support pair of formation, multiple battery cores are installed in parallel in a support to constituting a Li-ion batteries piles
Part, multiple lithium-ion battery modules order, which is installed, realizes being installed in series between battery core.
The support includes battery core hole and buckle, after the completion of support is to assembling, two internal supports pair of support
The battery core hole of position is answered to constitute multiple parallel cylindrical hollow configurations, the cylindrical hollow configuration two ends are opened
Mouthful, battery core is located in the cylindrical hollow configuration, and the buckle is used to realize the assembling between adjacent stent.
The support also includes locating dowel, and the locating dowel is used to realize the dress between two supports of support centering
Standby positioning.
The Li-ion batteries piles also include fixed plate, and the fixed plate is fixedly mounted on Li-ion batteries piles
Two end faces.
The Li-ion batteries piles also include plastic cement baffle plate, and the plastic cement baffle plate is located at the end of Li-ion batteries piles
Between face and fixed plate and/or between two neighboring support pair.
The Li-ion batteries piles also include the battery pack sampling plate being fixedly connected with battery pack, for battery
The voltage and temperature data of group are acquired.
The Li-ion batteries piles also include protection cap, and the protection cap is covered at the top of battery pack sampling plate.
The battery pack sampling plate includes sampling connection sheet, hardboard PCB, plug winding displacement and socket；
The sampling connection sheet is fixedly mounted on hardboard PCB two ends, and plug winding displacement and socket are arranged on hardboard
On PCB, battery pack sampling plate realizes the connection with battery pack by plug winding displacement and sampling connection sheet, so that
Complete the collection of voltage and temperature.
The sampling connection sheet is connected with hardboard PCB by the way of jack welding.
The sampling connection sheet is provided with jack welding position, hardboard PCB close to hardboard PCB one end to be set
It is equipped with jack corresponding with jack welding position.
The described one end of sampling connection sheet away from hardboard PCB is provided with through hole, for realizing the company to battery pack
Connect.
The middle part of the sampling connection sheet is provided with buffer structure, for absorbing the displacement that vibrations are brought.
The buffer structure is the structure for being provided with geometry bending.
The structure for being provided with geometry bending is several font structures or W type structures.
The different sampling plate prevents mistake by using the socket of different PIN numbers.
Being provided with the sampling plate on locating slot, support has corresponding detent mechanism, so that the board that will sample
It is connected on support.
The two neighboring support, which is provided with to centre on cell parallel PCB, support, is provided with PCB buckles,
Connection for realizing support and cell parallel PCB.
The Li-ion batteries piles also include two compound PCBA, the compound PCBA respectively with battery pack
The support of two ends is fixedly connected.
The Li-ion batteries piles also include retention mechanism, and Li-ion batteries piles are fastened.
The fastener is screw rod and nut, and the screw rod is along Li-ion batteries piles axially across along lithium ion
The screw of internal battery pack, and fastened in two end faces of Li-ion batteries piles by nut.
The fastener is screw rod and nut, and the side of the Li-ion batteries piles is provided with groove, and screw rod is put
In in the groove of Li-ion batteries piles side, and Li-ion batteries piles two end faces carried out by nut it is tight
Gu.
Compared with the prior art, the invention has the advantages that：
(1) battery pack in the present invention employs support to battery core is fixed, it is ensured that structure
Reliability, the use of support ensures the reliability of battery pack electrical connection, prevents battery from short circuit insulation occur and asking
Topic.
(2) structure in the present invention is insulated without the patch epoxy plate of battery pack surrounding again so that battery pack
Assembling is relatively simple.
(3) shock resistance and anti-seismic performance after the battery pack structure in the present invention adds battery in groups, it is to avoid
Single battery core thermal runaway causes battery core thermal runaway around it.
Brief description of the drawings
Fig. 1 is the support front view in the first embodiment of battery pack in the present invention；
Fig. 2 is the support rearview in the first embodiment of battery pack in the present invention；
Fig. 3 is the schematic diagram of second of embodiment of battery pack in the present invention；
Fig. 4 is the first embodiment schematic diagram of battery pack collection plate in the present invention；
Fig. 5 is the first embodiment of battery pack collection plate in the present invention and battery pack connection diagram；
Fig. 6 is the front view of battery pack sampling connection sheet 501 back upper place in the present invention；
Fig. 7 is the front view of battery pack sampling connection sheet 501 side in the present invention；
Fig. 8 is the battery pack sampling top view of connection sheet 501；
Fig. 9 is the battery pack sampling rearview of connection sheet 501；
Figure 10 is the battery pack sampling side view of connection sheet 501；
Figure 11 is the battery pack sampling upward view of connection sheet 501；
Figure 12 is hardboard PCB502 jack schematic diagrames in the present invention；
Figure 13 is sampling connection sheet 501 in the present invention and PCB assembling plan views；
Figure 14 is sampling connection sheet 501 in the present invention and PCB assembling plan views；
Figure 15 is battery pack sampling apparatus schematic diagram in the present invention；
Figure 16 for battery pack the third embodiment in the present invention schematic diagram.
Wherein, 1- battery cores, 2- supports, 3- fixed plates, 4- plastic cement baffle plates, 5- battery pack sampling plates, 6-
Protection cap, 7- parallel connections PCB, 8- are combined PCBA, 10- sampling boxs, 201- detent mechanisms, 202- positioning
Post, 203- battery cores hole, 204- buckles, 205- fixed blocks, 206-PCB buckles, 501- samplings connection sheet,
502- hardboard PCB, 503- plug winding displacements, 504- sockets, 701- female seats, 5011- jack welding positions,
5012- buffer structures, 5013- through holes, 5021- jacks, 5022- pads, the recessed bags of 301-, 302- liftings
Mechanism.
Embodiment
Describe the concrete technical scheme of the present invention in detail by the following examples, it should be noted that following
Embodiment be only capable of for explain the present invention and be not to be construed as limitation of the present invention.
In order to solve the problem of battery core of battery pack is not completely fixed, the present invention proposes a kind of lithium ion battery
Group, including battery core 1 and support 2, one support pair of formation of each two support 2, multiple peaces in parallel of battery core 1
Mounted in a support to constituting a lithium-ion battery module, i.e., during one support is to multiple battery cores 1 are clipped in
Between be fixed, so constitute a basic lithium-ion battery module, multiple lithium-ion battery modules order
Install and realize being installed in series between battery core, the battery core in adjacent lithium-ion battery module keeps electrical connection.
As depicted in figs. 1 and 2, wherein Fig. 1 is electricity in the present invention to a kind of embodiment of medium-height trestle of the present invention
Support front view in the first embodiment of pond group；Fig. 2 is the first embodiment party of battery pack in the present invention
Support rearview in formula；It was found from Fig. 1 and Fig. 2, the support 2 in the present embodiment includes battery core hole
203 and buckle 204, after the completion of support is to assembling, the battery core of two internal support correspondence positions of support
Hole 203 constitutes multiple parallel cylindrical hollow configurations, the cylindrical hollow configuration both ends open,
Battery core is located in the cylindrical hollow configuration, and the buckle 204 is used to realize the dress between adjacent stent
Match somebody with somebody.In order to meet the demand of battery core assembling, it is readily apparent that the external diameter of battery core is less than equal to cylindrical, hollow
The internal diameter of structure.
As can be seen from Figure 5, buckle 204 be side face perpendicular to chassis plane projection, adjacent stent with it is convex
The corresponding position of block is provided with the groove being engaged with projection, in assembling, in projection insertion groove, so that real
Assembling between existing adjacent stent.Further, in order to reach preferably assembling effect, adjacent stent is limited
Between displacement, buckle 204 is preferably disposed on two relative sides, and setting preferably one on the other,
Such structure can reduce the displacement between adjacent stent to greatest extent.
Further, in order to limit radial direction of two battery core holes 203 in cylindrical hollow configuration of correspondence position
Displacement, battery core hole 203 is designed using stepped ramp type, and the first rank is cylindrical hollow configuration, and second-order is using half
Circular hollow structure, specifically as depicted in figs. 1 and 2.Combine in the battery core hole 203 designed with two stepped ramp types
A big cylindrical hollow configuration is formed, the semicircle hollow structure of second-order can avoid battery core hole 203
Radial displacement.Certainly, to those skilled in the art, the platform of other forms can be used by being readily apparent that
Rank type is designed, and the battery core hole 203 of main two stepped ramp types design can form a cylindrical hollow configuration i.e.
Can.
Further, in order to realize the assembling of support pair more rapidly, exactly, it can set fixed on support
Position post 202, the locating dowel is mainly used in the position relationship of two supports of limit bracket centering, and conventional determines
Position post is cylindrical locating dowel, for those skilled in the art, it is contemplated that with other butt junction locations
Device, come the function for the positioning that achieves a butt joint such as rod-like structure and sleeve corresponding with rod-like structure.Enter one
Step ground, in order to preferably realize positioning, while not influenceing the general structure of support, is typically set locating dowel
At the edge of support, it is preferably disposed on four angles of support.
Further, it is real the invention provides as shown in Figure 3 second for preferably self-contained battery group
The schematic diagram of example is applied, as can be seen from Figure 3, can be respectively in lithium ion battery for more preferable self-contained battery group
Two end faces of group, i.e., outermost two supports install a fixed plate 3, so can further improve electricity
The anti-shake performance of pond group.
Further, for the displacement produced during damping vibration, plastic cement gear can be added in battery pack
Plate 4, specifically as shown in figure 3, according to actual shock attenuation needs, plastic cement baffle plate 4 can be placed in into lithium-ion electric
The position such as between the end face and fixed plate 3 of pond group, between two neighboring support pair, utilizes the damping of plastic cement special
Property come absorb vibrations during battery pack produce displacement.
Further, in order to realize the function to battery pack progress signal acquisition, it can be added in battery pack
Battery pack sampling plate 5, is acquired for voltage and temperature data to battery pack.
Further, can be in battery pack sampling plate surface capping in order to be protected to battery pack sampling plate
Protection cap, protection cap 6 as shown in Figure 3 leaves the through hole passed through for cable at the two ends of protection cap 6.
The first embodiment of battery pack collection plate in the present invention is illustrated in figure 4, as can be seen from Figure 4, the present invention
In battery pack sampling plate 5 include sampling connection sheet 501, hardboard PCB502, plug winding displacement 503 and insert
Seat 504；
The sampling connection sheet 501 is fixedly mounted on hardboard PCB502 two ends, plug winding displacement 503 and inserts
Seat 504 is arranged on hardboard PCB502, and battery pack sampling plate is connected by plug winding displacement 503 and sampling
Piece 501 is realized and is connected with cell parallel PCB7 female seat 701, so as to complete the collection of voltage and temperature.
The cell parallel PCB7 is located at two lithium-ion battery module centre positions, and is connected with support.Specifically
As shown in figure 5, as can be seen from Figure 5, plug winding displacement 503 and cell parallel PCB7 female seat 701 is carried out
Connection, realizes the collection to voltage and temperature.
The front view of battery pack sampling connection sheet 501 back upper place in the present invention is illustrated in figure 6, such as Fig. 7 institutes
It is shown as the front view of battery pack sampling connection sheet 501 side；Fig. 8 is bowing for battery pack sampling connection sheet 501
View, Fig. 9 is the rearview of battery pack sampling connection sheet 501, and Figure 10 is battery pack sampling connection sheet 501
Side view, Figure 11 be battery pack sample connection sheet 501 upward view.It was found from Fig. 6-Figure 11, in order to
The problem of solution Long-term Vibration down-sampling connection sheet 501 is easily and hardboard PCB502 copper foils come off together, this
Battery pack sampling connection sheet 501 in invention is provided with jack welding position close to hardboard PCB502 one end
Jack 5021 corresponding with jack welding position 5011 is provided with 5011, hardboard PCB502, it is specific as schemed
Shown in 12, it can thus realize sampling connection sheet 501 with hardboard PCB502 by the way of jack welding
Connection, specifically as shown in Figure 13 and Figure 14, so as to reach purpose difficult for drop-off.
Further, in order to obtain more preferable welding effect, hardboard PCB502 jack reverse side has pad
5022, it is specific as shown in figure 14, it so can be very good sampling connection sheet 501 being fixed on hardboard PCB502
On, and vibration resistance is strong, it is impossible to come off.
Further, in order that the main body for the connection sheet 501 that must sample is parallel with hardboard PCB502, so as to protect
The stability connected between the main body and hardboard PCB502 of holding sampling connection sheet 501, above-mentioned jack welding
Position 5011 should be bending state, perpendicular to the main body of sampling connection sheet 501.
Further, in order to solve in the sampling connection sheet 501 commonly used at present without buffer structure, when causing long
Between easily pullled in vibration processes, the nickel sheet for the connection sheet 501 that causes to sample is the problem of be broken, in the present invention
The middle part of sampling connection sheet 501 be provided with buffer structure 5012, for absorbing the displacement that vibrations are brought.
The compliant member is mainly obtained by the geometric deformation for connection sheet 501 of sampling, conventional geometry
Malformation is to obtain geometry bending using connection sheet 501 of sampling, and obtains for example several font structures or W type knots
The geometry bending structure of structure, so as to absorb kinetic energy using these geometry bending structures in vibrations, reduces shake
The dynamic displacement brought, has prevented the problem of sampled point that existing scheme brought is powered off completely.
Further, it is generally remote in sampling connection sheet 501 in order to realize to battery voltage and temperature sampling
One end from hardboard PCB502 is provided with through hole 5013, and for realizing the connection with battery pack, cable is passed through
Above through hole realizes the electrical connection with battery pack.
Further, for the shape and size of appropriate cable to the full extent, above-mentioned through hole 5013 is using length
Circular waist hole, quantity is 2, and is symmetric.
Further, in order to obtain stable sampling structure, the mode that can be connected by screw carries out electricity
Pressure or temperature sampling.
Sampling connection sheet 501 in the present invention can use conventional nickel sheet, but to those skilled in the art
For, it can be readily apparent that with other specific certain strength materials come instead of the nickel sheet in the present invention.
It is a kind of battery pack sampling apparatus proposed by the present invention, as shown in Figure 15, battery pack as shown in figure 15
Harvester includes support 2, collecting cassette 10 and sampling plate 5, and the collection plate 5 is fixedly connected with support,
The collecting cassette 10 is used to collect the data that collection plate is collected, and the sampling plate 5 is above-mentioned any change
The battery pack sampling plate of shape.
It was found from Fig. 1 and Fig. 4, being provided with sampling plate 5 on locating slot 505, support has corresponding contraposition
Mechanism 201, so as to sampling plate is fixed on support easily and fast, as shown in figure 3, battery pack is sampled
The middle part of plate is connected to cradle top, and two ends are fixedly connected with the support of two ends of battery pack.
Above-mentioned battery pack sampling apparatus is by the way of sampling connection sheet 501 and plug winding displacement 503, by voltage
It is integrated in temperature acquisition in cell parallel PCB7 4PIN female seats 701, then passes through inserting on sampling plate
503 pairs of head winding displacement, which is inserted, to be transferred on collecting cassette, realizes the sampling of signal, further, in order to obtain stabilization
Collection effect, carry out buckling using silica gel flexible cord wire rod and band during signal transmission between sampling plate and collecting cassette
Structure, can be very good to absorb the brought displacement of vibration, certainly, for those skilled in the art, hold
The silica gel flexible cord wire rod replaced with other flexible wires in the present invention is readily conceivable that, as long as absorption vibration institute can be reached
The effect of the displacement brought.
Fixed using the locating slot 505 of the above and the flexible characteristic of wire rod, prevented existing scheme institute band completely
The problem of sampled point come is powered off.
Further, in order to realize that cell parallel PCB7 is preferably connected with support, it is necessary on support 2
PCB buckles 206 are set, for realizing that support 2 and cell parallel PCB7 interface arrangment are connected, realized
Cell parallel PCB7 and support 2 fixation.
Further, can be using all portions of the retention mechanism to battery pack in order to protect battery pack sampling plate
Part is fastened, and the fastener of screw rod and nut is all employed in two kinds of embodiments of the invention, wherein
Screw rod along Li-ion batteries piles axially across along the screw inside Li-ion batteries piles, and in Li-ion batteries piles
Two end faces fastened by nut.Further, it is few smaller to battery pack structure in order to try one's best
Influence, while ensureing best fastening effect, the position of screw is located on four angles of each component of battery pack.
Certainly, to those skilled in the art, can be replaced using other fastening means above-mentioned screw rod and
The fastener of nut, for example, open up groove in the side of the Li-ion batteries piles, and screw rod is placed in lithium ion
In the groove of battery pack side, and fastened in two end faces of Li-ion batteries piles by nut.Certainly,
For those skilled in the art, it can realize that elimination battery pack is each using the retention mechanism of other modes
Because vehicle vibration produces the purpose of displacement between individual component.
Figure 16 show the schematic diagram of the third embodiment of the present invention, as can be seen from Figure 16, in the present invention
Battery pack also include two compound PCBA, the branch of the compound PCBA8 respectively with two ends of battery pack
Frame 2 is fixedly connected.As can be seen from Figure 16, PCBA8 upper ends are combined and are provided with the mounting blocks with through hole, with being combined
The pedestal upper end of PCBA8 connections is provided with through hole and fixed block on the fixed block 205 with through hole, mounting blocks
Lead to the hole site on 205 is corresponded, and fixed block 205 and peace can be so realized using screw thread the latter's screw rod
Fill being fixedly connected for block.
Certainly, for those skilled in the art, it is readily apparent that compound to realize using others connection
Supports of the PCBA respectively with two ends of battery pack is fixedly connected, and is not limited to the mode shown in Fig. 3.
Further, recessed bag 301 is provided with fixed plate as battery pack tie-rod position, so both may be used
For positioning, installation dimension is also saved so that total is compacter.
Further, screw hole position is provided with fixed plate, module can be fixed in installed casing
Face.
Further, hoisting mechanism 302 is provided with fixed plate, it is possible to achieve the lifting to battery pack is operated.
The content not being described in detail in description of the invention belongs to the known skill of professional and technical personnel in the field
Art.
Embodiment in specification is only used for that the present invention will be described, its protection model not to the present invention
Impale restriction effect.Protection scope of the present invention is only defined by the claims, and is implemented disclosed by the invention
Any omission, replacement or the modification made on the basis of mode will fall into protection scope of the present invention.
Claims (16)
1. a kind of Li-ion batteries piles, it is characterised in that：Including battery core (1) and support (2), each two
Support (2) one support pair of formation, multiple battery cores (1) are installed in parallel constitutes one in a support to centre
Individual lithium-ion battery module, multiple lithium-ion battery modules order, which is installed, realizes being installed in series between battery core.
2. a kind of Li-ion batteries piles according to claim 1, it is characterised in that：The support (2)
Including battery core hole (203), after the completion of support is to assembling, the battery core of two internal support correspondence positions of support
The multiple parallel cylindrical hollow configurations of hole (203) composition, the cylindrical hollow configuration both ends open,
Battery core (1) is located in the cylindrical hollow configuration.
3. a kind of Li-ion batteries piles according to claim 2, it is characterised in that：The support (2)
Also include locating dowel (202), the locating dowel (202) is used to realize the dress between two supports of support centering
Standby positioning.
4. a kind of Li-ion batteries piles according to claim 1, it is characterised in that：The lithium-ion electric
Pond group also includes fixed plate (3), and the fixed plate (3) is fixedly mounted on two end faces of Li-ion batteries piles.
5. a kind of Li-ion batteries piles according to claim 4, it is characterised in that：The lithium-ion electric
Pond group also includes plastic cement baffle plate (4), and the plastic cement baffle plate (4) is located at end face and the fixation of Li-ion batteries piles
Between plate (3) and/or between two neighboring support pair.
6. a kind of Li-ion batteries piles according to claim 1, it is characterised in that：The lithium-ion electric
Pond group also includes the battery pack sampling plate (5) being fixedly connected with battery pack, for the voltage and temperature to battery pack
Degrees of data is acquired.
7. a kind of Li-ion batteries piles according to claim 6, it is characterised in that：The lithium-ion electric
Pond group also includes protection cap (6), and the protection cap is covered at the top of battery pack sampling plate (5).
8. a kind of Li-ion batteries piles according to claim 6, it is characterised in that：The battery pack is adopted
Model (5) includes sampling connection sheet (501), hardboard PCB (502), plug winding displacement (503) and socket
(504)；
The sampling connection sheet (501) is fixedly mounted on the two ends of hardboard PCB (502), plug winding displacement (503)
It is arranged on socket (504) on hardboard PCB (502), battery pack sampling plate passes through plug winding displacement (503)
The connection with battery pack is realized with sampling connection sheet (501), so as to complete the collection of voltage and temperature.
9. a kind of Li-ion batteries piles according to claim 8, it is characterised in that：The sampling connection
Piece (501) is connected with hardboard PCB (502) by the way of jack welding.
10. a kind of Li-ion batteries piles according to claim 9, it is characterised in that：The sampling connects
Contact pin (501) is provided with jack welding position (5011), hardboard PCB close to hardboard PCB (502) one end
(502) jack (5021) corresponding with jack welding position is provided with.
11. a kind of Li-ion batteries piles according to claim 9, it is characterised in that：The sampling connects
The one end of contact pin (501) away from hardboard PCB (502) is provided with through hole (5013), for realizing to electricity
The connection of pond group.
12. a kind of Li-ion batteries piles according to claim 9, it is characterised in that：The sampling
The middle part of connection sheet (501) is provided with buffer structure (5012), for absorbing the displacement that vibrations are brought.
13. a kind of Li-ion batteries piles according to claim 1, it is characterised in that：The lithium ion
Battery pack also includes two compound PCBA, the supports of the compound PCBA respectively with two ends of battery pack
It is fixedly connected.
14. according to a kind of any described Li-ion batteries piles of claim 1~13, it is characterised in that：It is described
Li-ion batteries piles also include retention mechanism (9), and Li-ion batteries piles are fastened.
15. a kind of Li-ion batteries piles according to claim 14, it is characterised in that：The fastening dress
It is set to screw rod and nut, the screw rod is along Li-ion batteries piles axially across along the spiral shell inside Li-ion batteries piles
Hole, and fastened in two end faces of Li-ion batteries piles by nut.
16. a kind of Li-ion batteries piles according to claim 15, it is characterised in that：The fastening dress
Screw rod and nut are set to, the side of the Li-ion batteries piles is provided with groove, and screw rod is placed in Li-ion batteries piles
In the groove of side, and fastened in two end faces of Li-ion batteries piles by nut.
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| CN201610178023.0A CN107230749A (en) | 2016-03-25 | 2016-03-25 | A kind of Li-ion batteries piles |
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| CN201610178023.0A CN107230749A (en) | 2016-03-25 | 2016-03-25 | A kind of Li-ion batteries piles |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108321325A (en) * | 2017-12-31 | 2018-07-24 | 中国电子科技集团公司第十八研究所 | Lightweight cylindrical lithium ion battery pack device |
| CN109050275A (en) * | 2018-06-22 | 2018-12-21 | 北京长城华冠汽车科技股份有限公司 | A kind of grouping method and device of electric automobile battery box |
| CN109166993A (en) * | 2018-09-11 | 2019-01-08 | 华霆（合肥）动力技术有限公司 | Battery modules and power supply device |
| CN109177814A (en) * | 2018-09-30 | 2019-01-11 | 北京长城华冠汽车科技股份有限公司 | Electrification switching system, method and the electric car of electric automobile battery box |
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