CN106328875A - Safety structure of battery pack connection board - Google Patents
Safety structure of battery pack connection board Download PDFInfo
- Publication number
- CN106328875A CN106328875A CN201510372395.2A CN201510372395A CN106328875A CN 106328875 A CN106328875 A CN 106328875A CN 201510372395 A CN201510372395 A CN 201510372395A CN 106328875 A CN106328875 A CN 106328875A
- Authority
- CN
- China
- Prior art keywords
- connecting piece
- plate
- electrode connecting
- safeguard construction
- pcb board
- 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
Links
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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
-
- 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0201—Thermal arrangements, e.g. for cooling, heating or preventing overheating
- H05K1/0203—Cooling of mounted components
- H05K1/0209—External configuration of printed circuit board adapted for heat dissipation, e.g. lay-out of conductors, coatings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention discloses a safety structure of a battery pack connection board. The safety structure comprises a PCB plate and a plateau combined with the PCB plate, the PCB plate comprises an insulated matrix, a first conducting layer and a second conducting layer distributed on two opposite side surfaces of the matrix by an etching technology, the first conducting layer comprises several independent conductive modules, the conductive module comprises a conducting strip and a first electrode connection slice connected with the conducting strip through a conductive arm, a second electrode connection slice is arranged on the second conducting layer corresponding to the first electrode connection slice, through holes penetrating the whole PCB plate are distributed at the peripheral part of the first electrode connection slice, and the inner side surfaces of the through holes are electrically connected with the first electrode connection slice and the second electrode connection slice. Compared with the prior art, the safety structure has the advantages that 1) the plateau is helpful for heat radiation; 2) the upper and lower surfaces of the electrode connection slice as well as the arranged through holes are electrically connected with a monomer cell, which is helpful for reducing the electrode contact resistance of the monomer cell; and 3) the plateau can be taken as a current collector, which can realize the transmission of heavy current.
Description
[technical field]
The present invention relates to the security technology area of power battery pack, particularly relate to a kind of applicable electric automobile, electricity
The safeguard construction of the set of cells connecting plate of electric bus.
[background technology]
Ferric phosphate lithium cell, as the new forms of energy of automobile, has been obtained for being widely applied.But, electronic vapour
To the voltage of battery, electric current etc., car and electric bus are desirable that comparison is high, therefore, and electric automobile and electronic
The power supply box of bus is provided with the set of cells that several ferric phosphate lithium cell series and parallels combine.
Set of cells has tandem plan after first parallel connection, scheme in parallel after also having first series connection.Use first and go here and there afterwards
Scheme, mutually equalizes between cell in parallel, and concordance is preferable.If but a certain joint cell
Short trouble occur, it will become the load of other batteries connected in parallel, the energy of all batteries in parallel therewith
Amount discharges rapidly in fault cell, thus causes more serious consequence.
Chinese utility model patent ZL 201120357214.6 discloses the safeguard construction of a kind of power battery pack,
It include a reinforced wiring board, described reinforced wiring board include conduct electricity mainboard and cover conduction mainboard just,
Reverse side and with the conduction integrated insulant of mainboard, conduction mainboard includes being provided with N × P and is used for connecting list
The electrode connecting piece of body battery polar and substrate, be provided with cannelure, institute between described electrode connecting piece and substrate
State and between electrode connecting piece and substrate, be additionally provided with at least three electric connection arm, be electrically connected with arm and cannelure is divided
Become three parts.
Although, this reinforced wiring board can allow between cell and equalize mutually, and concordance is good, and, as
Really there is the phenomenon of short circuit in certain cell of internal battery pack, arranges in will making reinforced wiring board
Electric connection arm fuses, thus by the cell that may cross stream in cell matrix from battery matrix
Isolate, prevent the diffusion of fault cell, protect the safety of set of cells, but, this reinforcement
At least there is following defect in type wiring board: 1) this reinforced wiring board heat dispersion is bad；2) due to substrate
Generally scale copper, causes its carrying electric current too small, it is impossible to be directly used as collector plate；3) longitudinal direction cannot be realized
Protection.
In view of above drawback, it is necessary that the safeguard construction providing a kind of set of cells connecting plate is to overcome above-mentioned lacking in fact
Fall into.
[summary of the invention]
It is an object of the invention to provide that a kind of design is simple, heat dispersion is good, and vertical protection can be realized
The safeguard construction of set of cells connecting plate.
To achieve these goals, the invention provides the safeguard construction of a kind of set of cells connecting plate, it includes
Pcb board and the metallic plate combined with pcb board, described pcb board includes the matrix of insulation, to etch work
The first conductive layer that skill is distributed on matrix two relative side and the second conductive layer, described first conductive layer includes
Some independent conductive modules, described conductive module is included conducting strip and is connected by conductive arm with conducting strip
The first electrode connecting piece, on described second conductive layer, the position in corresponding first electrode connecting piece is additionally provided with
Second electrode connecting piece, the surrounding of described first electrode connecting piece is distributed the via running through whole pcb board,
The medial surface of described via is electrically connected to first and second electrode connecting piece.
As a kind of improvement of the safeguard construction of set of cells connecting plate of the present invention, described pcb board offers and passes through
Wear the through hole that the pole being available for cell of first and second electrode connecting piece enters, described pcb board and metal
Plate is additionally provided with locking hole on correspondence position, can install lock screw by the two firm locking together.
The a kind of of safeguard construction as set of cells connecting plate of the present invention improves, the surrounding of described through hole, first,
Two electrode connecting piece and cell stud or nut contact position and pcb board all plate with the junction of metallic plate
There is scolding tin.
As a kind of improvement of the safeguard construction of set of cells connecting plate of the present invention, the matrix of described insulation is by fire-retardant
And the high plastic material of intensity makes.
As a kind of improvement of the safeguard construction of set of cells connecting plate of the present invention, described metallic plate is by metallic aluminium
It is fabricated by.
As a kind of improvement of the safeguard construction of set of cells connecting plate of the present invention, described conductive arm is L-shaped, its
One end is connected to electrode connecting piece other end and is connected to conducting strip.
As a kind of improvement of the safeguard construction of set of cells connecting plate of the present invention, the surface of described pcb board is except weldering
Other positions outside stannum all scribble insullac.
Compared with prior art, the safeguard construction of set of cells connecting plate of the present invention has the advantage that: 1) gold
Belong to plate and contribute to heat radiation, can timely and effective heat in battery case be dispersed, to ensure the safety of battery case；2)
The upper and lower surface of electrode connecting piece and in the through hole that sets all be connected with the electrode of cell, contribute to reducing
The resistance of cell electrode contact；3) metallic plate as collector plate, can realize the transmission of big electric current.
[accompanying drawing explanation]
Fig. 1 is the perspective view of the safeguard construction of set of cells connecting plate of the present invention；
Fig. 2 is the safeguard construction exploded view of set of cells connecting plate of the present invention.
[detailed description of the invention]
In order to make the purpose of the present invention, technical scheme and Advantageous Effects become apparent from understanding, below in conjunction with
The drawings and specific embodiments, are further elaborated to the present invention.It should be appreciated that this explanation
Detailed description of the invention described in book is only used to explain the present invention, is not intended to limit the present invention.
Refer to Fig. 1 to shown in 2, the invention provides the safeguard construction 100 of a kind of set of cells connecting plate, its
Including pcb board and the metallic plate 10 that combines with pcb board, described pcb board includes the matrix of insulation,
The first conductive layer 21 and the second conductive layer 22 being distributed on matrix two relative side with etch process, described
One conductive layer 21 includes some independent conductive modules 23, described conductive module 23 include conducting strip 231 with
And the first electrode connecting piece 232 being connected by conductive arm with conducting strip, right on described second conductive layer 22
The position answering the first electrode connecting piece is additionally provided with the second electrode connecting piece 221, described first electrode connecting piece
The surrounding of 232 is distributed the via 233 running through whole pcb board, and the medial surface of described via 233 is electrically connected with
To first and second electrode connecting piece (232,221).
The pole being available for cell running through first and second electrode connecting piece (232,221) is offered on pcb board
The through hole 234 that post enters, described pcb board and metallic plate 10 are additionally provided with locking hole 30 on correspondence position,
Lock screw can be installed by the two firm locking together.
The surrounding of through hole 234, first and second electrode connecting piece (232,221) and cell stud or nut
The junction of contact position and pcb board and metallic plate 10 is all coated with scolding tin.
Conductive arm 235 is L-shaped, and its one end is connected to electrode connecting piece other end and is connected to conducting strip.Lead
The width of the cross section of electric arm directly influences the size of overcurrent, by can according to the capacity of battery and
Maximum discharge current is set.
Other positions in addition to scolding tin, the surface of pcb board all scribble insullac, and insullac is possible not only to prevent
It is electrically connected with between cell and PCB, it is also possible to as conducting strip, electrode connecting piece and conduction
Insulant between arm.
The matrix of the insulation that the safeguard construction of set of cells connecting plate of the present invention is used is by fire-retardant and high the moulding of intensity
Glue material is made, and metallic plate is fabricated by by metallic aluminium.
The safeguard construction of set of cells connecting plate of the present invention, is not restricted in description and embodiment be retouched
State, for the personnel of familiar field, be therefore easily achieved additional advantage and amendment, therefore do not carrying on the back
In the case of the spirit and scope of the general concept limited from claim and equivalency range, the present invention is not
Be limited to specific details, representational equipment and shown here as with describe examples shown.
Claims (7)
1. the safeguard construction of a set of cells connecting plate, it is characterised in that: include pcb board and tie with pcb board
The metallic plate being combined, described pcb board includes the matrix of insulation, is distributed in matrix with etch process biphase
To the first conductive layer on side and the second conductive layer, described first conductive layer includes some independent conduction moulds
Block, described conductive module includes conducting strip and the first electrode connecting piece being connected with conducting strip by conductive arm,
On described second conductive layer, the position in corresponding first electrode connecting piece is additionally provided with the second electrode connecting piece, institute
The surrounding stating the first electrode connecting piece is distributed the via running through whole pcb board, the medial surface electricity of described via
Property is connected to first and second electrode connecting piece.
2. the safeguard construction of set of cells connecting plate as claimed in claim 1, it is characterised in that: described PCB
Offer on plate and run through the through hole that the pole being available for cell of first and second electrode connecting piece enters, described
Pcb board and metallic plate are additionally provided with locking hole on correspondence position, and can install lock screw will the two firm locking
Together.
3. the safeguard construction of set of cells connecting plate as claimed in claim 2, it is characterised in that: described through hole
Surrounding, first and second electrode connecting piece and cell stud or nut contact position and pcb board and metal
The junction of plate is all coated with scolding tin.
4. the safeguard construction of set of cells connecting plate as claimed in claim 1, it is characterised in that: described insulation
Matrix be made up of fire-retardant and that intensity is high plastic material.
5. the safeguard construction of set of cells connecting plate as claimed in claim 1, it is characterised in that: described gold
Belong to plate to be fabricated by by metallic aluminium.
6. the safeguard construction of set of cells connecting plate as claimed in claim 1, it is characterised in that: described conduction
Arm is L-shaped, and its one end is connected to electrode connecting piece other end and is connected to conducting strip.
7. the safeguard construction of set of cells connecting plate as claimed in claim 3, it is characterised in that: described PCB
Other positions in addition to scolding tin, the surface of plate all scribble insullac.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510372395.2A CN106328875A (en) | 2015-06-29 | 2015-06-29 | Safety structure of battery pack connection board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510372395.2A CN106328875A (en) | 2015-06-29 | 2015-06-29 | Safety structure of battery pack connection board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106328875A true CN106328875A (en) | 2017-01-11 |
Family
ID=57722936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510372395.2A Pending CN106328875A (en) | 2015-06-29 | 2015-06-29 | Safety structure of battery pack connection board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106328875A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107785526A (en) * | 2017-09-29 | 2018-03-09 | 苏州西典机电有限公司 | Electrokinetic cell integration module |
| CN109494336A (en) * | 2018-11-09 | 2019-03-19 | 深圳众力新能源科技有限公司 | A kind of new energy car battery packet composite bus bar and production method |
| CN112310567A (en) * | 2019-10-21 | 2021-02-02 | 宁德时代新能源科技股份有限公司 | Connection assembly, battery module, battery pack, and apparatus using battery module as power source |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201216545A (en) * | 2010-10-14 | 2012-04-16 | Nat Univ Chin Yi Technology | Lithium ion cell assembly structure integrated by PCB circuits |
| CN202423430U (en) * | 2011-12-22 | 2012-09-05 | 深圳市沃特玛电池有限公司 | Flexible circuit connection structure of battery pack |
| CN202695598U (en) * | 2012-07-23 | 2013-01-23 | 深圳市沃特玛电池有限公司 | Connecting plate for battery packs |
| CN204231743U (en) * | 2014-11-24 | 2015-03-25 | 深圳市沃特玛电池有限公司 | A kind of lithium battery pcb board fuse structure |
| CN204243126U (en) * | 2014-11-29 | 2015-04-01 | 惠州市亿能电子有限公司 | A kind of electrokinetic cell module |
| CN204834733U (en) * | 2015-06-29 | 2015-12-02 | 深圳市沃特玛电池有限公司 | Secure architecture of group battery connecting plate |
-
2015
- 2015-06-29 CN CN201510372395.2A patent/CN106328875A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201216545A (en) * | 2010-10-14 | 2012-04-16 | Nat Univ Chin Yi Technology | Lithium ion cell assembly structure integrated by PCB circuits |
| CN202423430U (en) * | 2011-12-22 | 2012-09-05 | 深圳市沃特玛电池有限公司 | Flexible circuit connection structure of battery pack |
| CN202695598U (en) * | 2012-07-23 | 2013-01-23 | 深圳市沃特玛电池有限公司 | Connecting plate for battery packs |
| CN204231743U (en) * | 2014-11-24 | 2015-03-25 | 深圳市沃特玛电池有限公司 | A kind of lithium battery pcb board fuse structure |
| CN204243126U (en) * | 2014-11-29 | 2015-04-01 | 惠州市亿能电子有限公司 | A kind of electrokinetic cell module |
| CN204834733U (en) * | 2015-06-29 | 2015-12-02 | 深圳市沃特玛电池有限公司 | Secure architecture of group battery connecting plate |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107785526A (en) * | 2017-09-29 | 2018-03-09 | 苏州西典机电有限公司 | Electrokinetic cell integration module |
| CN109494336A (en) * | 2018-11-09 | 2019-03-19 | 深圳众力新能源科技有限公司 | A kind of new energy car battery packet composite bus bar and production method |
| CN112310567A (en) * | 2019-10-21 | 2021-02-02 | 宁德时代新能源科技股份有限公司 | Connection assembly, battery module, battery pack, and apparatus using battery module as power source |
| US11764444B2 (en) | 2019-10-21 | 2023-09-19 | Contemporary Amperex Technology Co., Limited | Connecting assembly, battery module, battery group, and device using battery module as power source |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170111 |
|
| WD01 | Invention patent application deemed withdrawn after publication |