CN104157821A - Power battery box and printed circuit board (PCB) adapter plate - Google Patents
Power battery box and printed circuit board (PCB) adapter plate Download PDFInfo
- Publication number
- CN104157821A CN104157821A CN201410391941.2A CN201410391941A CN104157821A CN 104157821 A CN104157821 A CN 104157821A CN 201410391941 A CN201410391941 A CN 201410391941A CN 104157821 A CN104157821 A CN 104157821A
- Authority
- CN
- China
- Prior art keywords
- conductive
- battery module
- positive
- negative electrode
- conductive hole
- Prior art date
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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
- H01M50/50—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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
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- H—ELECTRICITY
- 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
-
- 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 power battery box and a printed circuit board (PCB) adapter plate; the power battery comprises a box body and at least one battery module arranged in the box body, the printed circuit board (PCB) adapter plate which is used for being electrically connected with each battery module is arranged above the box body, through the design of conductive connection holes and conductive layers on the PCB adapter plate, corresponding battery modules are connected, each battery module is electrically connected with the PCB adapter plate by arrangement of positive and negative pole terminals in corresponding conductive connection holes in a penetration manner, single cells of each battery module are parallelly connected by the conductive layers arranged on positive and negative pole conductive hole rows, conductive members welded on the conductive layers ensure a high current passes through, and connected battery modules are connected by the conductive members. By arrangement of a conductive circuit on the PCB adapter plate, the number of the used conductive members is reduced, the connection is more convenient, the workload is reduced, and the work efficiency is improved.
Description
Technical field
The invention belongs to electrokinetic cell field, be specifically related to a kind of power battery box and PCB keyset thereof.
Background technology
Power battery box is generally that mutually series connection or parallel connection form a battery modules and be arranged in a casing and form by multiple battery modules, and each battery module consists of the mode of serial or parallel connection multiple cells, the capacity of battery case is larger, the battery module of assembling and cell are also just more, especially for use in the battery case in motor vehicle field.In the time of assembling, for each battery module and cell conduction are coupled together, generally adopt bus or conductive plate to connect.In high capacity cell case, adopt the number of bus that this connected mode needs or conductive plate just more, couple together also more complicated, strengthen the assembly working amount of battery modules, reduce the efficiency of assembly working.
In addition, owing to need to the voltage of each battery module in battery case being carried out to detection management, just become particularly important with being connected of battery management system BMS.In current power battery box, generally in the each battery module by BMS is connected, drawing a voltage detecting line from the positive pole of each battery module is connected with this BMS, like this, in each power battery box, all will have some scattered wire harness in Battery case, and every line all needs artificial welding, not only affect the arrangement aesthetic property of box house layout, but also increased a large amount of workloads.
Summary of the invention
The object of this invention is to provide a kind of PCB keyset, to solve existing electrokinetic cell cell layout problem at random, provide a kind of power battery box that uses this PCB keyset simultaneously.
In order to realize above object, the technical solution adopted in the present invention is: a kind of PCB keyset, comprise plate body, plate body is provided with at least one group for arranging in turn along corresponding battery module arragement direction and making terminal and plate body conduct electricity the conductive hole being connected in the time wearing the positive and negative electrode terminal of corresponding battery module, every group of conductive hole include for the positive and negative electrode terminal positive and negative electrode conductive hole row of conductive communication respectively of the corresponding battery module wearing, each positive and negative electrode conductive hole row is provided with corresponding positive and negative electrode conductive layer.
Described plate body is provided with the connector for being connected with the wiring harness interface of BMS, and described connector is provided with the splicing ear for connecting with corresponding conductive layer conduction.
Described connector is arranged at wherein one end place of conductive hole row arragement direction.
Each conductive hole row's bearing of trend is perpendicular to its arragement direction, and positive and negative electrode conductive hole row arrange along its arragement direction interval, for the different battery modules of correspondence adjacent positive and negative electrode conductive layer conductive communication.
The technical scheme that power battery box of the present invention adopts is: a kind of power battery box, comprise at least one battery module arranging in casing and casing, the top of casing is provided with for conducting electricity with each battery module the PCB keyset being connected, described PCB keyset comprises plate body, plate body is provided with at least one group and arranges in turn and just wearing corresponding battery module along corresponding battery module arragement direction, when negative terminal, make terminal and plate body conduct electricity the conductive hole being connected, every group of conductive hole include with the corresponding battery module wearing just, negative terminal difference conductive communication just, negative pole conductive hole row, just each, negative pole conductive hole row is just being provided with correspondence, negative conducting layer, on each conductive layer, be equipped with corresponding electric-conductor.
Described plate body is provided with the connector for being connected with the wiring harness interface of BMS, and described connector is provided with the splicing ear for connecting with corresponding conductive layer conduction.
Described connector is arranged at wherein one end place of conductive hole row arragement direction.
Each conductive hole row's bearing of trend is perpendicular to its arragement direction, and positive and negative electrode conductive hole row arrange along its arragement direction interval, for the different battery modules of correspondence adjacent positive and negative electrode conductive layer conductive communication.
The electric-conductor corresponding to positive and negative electrode conductive layer at described conductive hole row arragement direction two ends place is to comprise U-shaped of upper and lower two plate faces, and described lower face is attached on corresponding conductive layer; In the groove that two plate faces form, be provided with copper bar, copper bar is provided with the connecting hole for being fixedly connected with upper face.
The shape of described conduction connecting hole is coincide adaptive with the shape of the positive and negative electrode terminal of corresponding battery module.
Power battery box of the present invention and PCB keyset thereof, by design conduction connecting hole and conductive layer on PCB keyset, corresponding battery module is connected, each battery module makes it be connected with PCB keyset conduction by its anode and cathode terminals being located in corresponding conduction connecting hole, the cell of each battery module is together in parallel by the upper conductive layer of laying of positive and negative electrode conductive hole row, and the electric-conductor welding on conductive layer has ensured passing through of large electric current, and also connect by electric-conductor between connected battery module.Due to by the conducting channel of laying on PCB keyset, greatly reduce the usage quantity of electric-conductor, connection is simultaneously also more convenient, has alleviated workload, has improved operating efficiency.
The arranging of connector structure realized battery case and has been connected with the quick of wiring harness interface on BMS; Meanwhile, carrying out battery module when assembling, in casing, just there is not scattered wire harness, whole structure more succinct, attractive in appearance, and greatly saved layout and the weld time of wire harness.
Brief description of the drawings
Fig. 1 is the structure chart in PCB keyset embodiment of the present invention front;
Fig. 2 is the structure chart at the PCB keyset back side;
Fig. 3 is the blast structure chart of battery modules of the present invention;
Fig. 4 is the cut-away view of battery modules of the present invention
Fig. 5 is the structure chart of electric-conductor;
Fig. 6 is the structure chart of copper bar;
Fig. 7 is battery case structure figure.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the present invention is described further.
Be the structural representation of PCB keyset embodiment of the present invention as depicted in figs. 1 and 2, as seen from the figure, this keyset comprises plate body 1, plate body is provided with at least one group (the present embodiment is 5 groups) for arranging in turn and just wearing corresponding battery module along corresponding battery module arragement direction (the present embodiment is the length direction of plate body), when negative terminal, make terminal and plate body conduct electricity the conductive hole being connected, every group of conductive hole include for the corresponding battery module wearing just, negative terminal difference conductive communication just, negative pole conductive hole row 2, just each, negative pole conductive hole row is just being provided with correspondence, negative conducting layer 3.
Coincide adaptively in order to conduct electricity the shape of the shape of connecting hole and the positive and negative electrode terminal of corresponding battery module, ensure that the conductivity of corresponding battery terminal and plate body is good.
Plate body is provided with the connector 4 for being connected with the wiring harness interface of BMS, and this connector is provided with the splicing ear for connecting with corresponding conductive layer conduction.The present embodiment for ease of with the quick reasonability that is connected and considers circuit on PCB keyset of BMS wiring harness interface, connector is arranged to the wherein end on plate body length direction; Certainly, connector is not limited to above-mentioned set-up mode herein, also can be arranged at as required the optional position of PCB keyset plate body.
Consider the reasonable Arrangement of body structure, the bearing of trend of the each conductive hole row in the present embodiment is perpendicular to its arragement direction; In addition, connect for ease of wiring, positive and negative electrode conductive hole row arrange along its arragement direction interval, and different correspondence battery modules adjacent positive and negative electrode conductive layer are also gone up to the conductive layer conductive communication of laying by PCB.By said structure, the syndeton of the battery modules connecting by this PCB keyset is as follows: each battery modules is by stacked mode and utilizes corresponding conductive layer to be together in parallel, and on plate body length direction multiple identical battery modules arranged side by side, each battery module is connected in series again.
As other execution modes, the arrangement of conductive hole row on PCB is not limited to aforesaid way, its bearing of trend and arragement direction are relevant with how putting of battery module, also can adopt other disposing way, when battery module disposing way changes, the conducting channel of laying on corresponding PCB keyset also corresponding design changes.Such as, each conductive hole row extends and arranges along plate body length direction, adjacent battery modules is also gone up to the adjacent conductive layer conductive communication of laying by PCB, the battery modules connecting by this PCB keyset so can have two kinds of connected modes: if the polarity of adjacent conductive layer is identical while connecting adjacent battery modules, between so each battery module, be connected in parallel; If the polarity difference of adjacent conductive layer while connecting adjacent battery modules, this battery modules is also in series by each battery module so.
Be illustrated in figure 2 the structure chart at the present embodiment PCB keyset back side, connecting line in figure is the voltage detecting wire harness 5 for being connected with BMS, the detection line that this wire harness is connected by the negative pole of battery modules for being connected to form with each battery module and the positive pole of each battery module forms, with regard to the present embodiment, the each connector that is to say connector connects with corresponding each conductive layer conduction, the mode that conduction connects is herein incessantly a kind of, can adopt the mode of laying conducting channel on pcb board to connect, also can connect by fly line, at the junction at the fly line two ends (connector that one end is connector, the other end is corresponding conductive layer) all weld and be connected.Consider the aesthetic property in casing, while connection by fly line, on the back side of PCB keyset, carry out.
As shown in Fig. 3～Fig. 4, the present invention also provides a kind of power battery box, comprise at least one battery module 7 (the present embodiment is 5) arranging in shell 6, casing and casing, the top of casing is provided with for conducting electricity with each battery module the PCB keyset being connected, and the structure of described PCB keyset is described above; On each conductive layer, be equipped with corresponding electric-conductor, ensure that conductive layer can lead to super-high-current.
Battery modules in this battery case is in series by each battery module, each battery module is composed in parallel by each cell again, on its corresponding PCB keyset, each conductive hole row's bearing of trend is perpendicular to its arragement direction, positive and negative electrode conductive hole row arrange along its arragement direction interval, for the different battery modules of correspondence adjacent positive and negative electrode conductive layer conductive communication.
As shown in Figure 5, the electric-conductor 8 of the present embodiment is nickel plate or nickel strap, can certainly use other electric conducting material, and the shape of nickel strap is not done requirement, as long as play conductive communication effect according to the situation of overcurrent.Wherein, middle 4 conductive connection plates have not only realized the conduction of each self-corresponding conductive layer, simultaneously also conductive communication adjacent two battery modules (series connection), electric-conductor and conductive layer weld together.
In addition, for the ease of battery case is connected with external electric equipment conduction, electric-conductor corresponding two ends place is arranged to U-shaped 9 structures, the lower face of U-shaped is attached on corresponding conductive layer, and upper face is drawn battery case realization by corresponding conduction fixture (being generally bolt) and is connected with the conduction of external electric equipment.For fear of in the time being fixedly connected with, upper face is under pressure and is out of shape downwards, in the groove forming at two plate faces, be provided with copper bar 10, as shown in Figure 6, for ease of U-shaped is fitted together with copper bar, copper bar with connecting hole (the present embodiment the is with bolts) copper bar that correspondence is fixedly connected with is all set on the upper face of U-shaped on be provided for the connecting hole that is fixedly connected with upper face.
Install additional outward after shell 6 as shown in Figure 7 in battery modules, for ease of its connector is connected with corresponding BMS, this connector 4 is arranged to one end place on PCB keyset plate body length direction.
In addition, for in the time connecting BMS, be convenient to corresponding with each battery module each voltage detecting line, in the time that the negative pole of each battery module and battery modules is connected with the connector of connector, generally follows and increase progressively principle, what be that every two wire harness that face mutually connect is two adjacent crosstalk pond, from low to high principles.Principle refers to that the height of voltage, this order of connection are also to design with the principle of voltage height from low to high herein.
Above embodiment is only for helping to understand core concept of the present invention, can not limit the present invention with this, the battery modules of the present embodiment is not limited to above-mentioned connected mode, also can adopt other series connection and/or mode in parallel to assemble each battery module, when battery modules connected mode changes, the also corresponding change of design of the wire line of corresponding PCB keyset, no matter shifting gears, which kind of does not all depart from design philosophy of the present invention, belong to the distressed structure of the present embodiment, for those skilled in the art, every foundation thought of the present invention, the present invention is modified or is equal to replacement, any change of doing in specific embodiments and applications, within all should being included in protection scope of the present invention.
Claims (10)
1. a PCB keyset, it is characterized in that: comprise plate body, plate body is provided with at least one group for arranging in turn along corresponding battery module arragement direction and making terminal and plate body conduct electricity the conductive hole being connected in the time wearing the positive and negative electrode terminal of corresponding battery module, every group of conductive hole include for the positive and negative electrode terminal positive and negative electrode conductive hole row of conductive communication respectively of the corresponding battery module wearing, each positive and negative electrode conductive hole row is provided with corresponding positive and negative electrode conductive layer.
2. PCB keyset according to claim 1, is characterized in that: described plate body is provided with the connector for being connected with the wiring harness interface of BMS, and described connector is provided with the splicing ear for connecting with corresponding conductive layer conduction.
3. PCB keyset according to claim 2, is characterized in that: described connector is arranged at wherein one end place of conductive hole row arragement direction.
4. PCB keyset according to claim 1, it is characterized in that: each conductive hole row's bearing of trend is perpendicular to its arragement direction, positive and negative electrode conductive hole row arrange along its arragement direction interval, for the different battery modules of correspondence adjacent positive and negative electrode conductive layer conductive communication.
5. a power battery box, it is characterized in that: comprise at least one battery module arranging in casing and casing, the top of casing is provided with for conducting electricity with each battery module the PCB keyset being connected, described PCB keyset comprises plate body, plate body is provided with at least one group and arranges in turn and just wearing corresponding battery module along corresponding battery module arragement direction, when negative terminal, make terminal and plate body conduct electricity the conductive hole being connected, every group of conductive hole include with the corresponding battery module wearing just, negative terminal difference conductive communication just, negative pole conductive hole row, just each, negative pole conductive hole row is just being provided with correspondence, negative conducting layer, on each conductive layer, be equipped with corresponding electric-conductor.
6. power battery box according to claim 5, is characterized in that: described plate body is provided with the connector for being connected with the wiring harness interface of BMS, and described connector is provided with the splicing ear for connecting with corresponding conductive layer conduction.
7. power battery box according to claim 6, is characterized in that: described connector is arranged at wherein one end place of conductive hole row arragement direction.
8. power battery box according to claim 5, it is characterized in that: each conductive hole row's bearing of trend is perpendicular to its arragement direction, positive and negative electrode conductive hole row arrange along its arragement direction interval, for the different battery modules of correspondence adjacent positive and negative electrode conductive layer conductive communication.
9. power battery box according to claim 5, is characterized in that: the electric-conductor corresponding to positive and negative electrode conductive layer at described conductive hole row arragement direction two ends place is to comprise U-shaped of upper and lower two plate faces, and described lower face is attached on corresponding conductive layer; In the groove that two plate faces form, be provided with copper bar, copper bar is provided with the connecting hole for being fixedly connected with upper face.
10. according to the power battery box described in claim 5～9 any one, it is characterized in that: the shape of described conduction connecting hole is coincide adaptive with the shape of the positive and negative electrode terminal of corresponding battery module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410391941.2A CN104157821B (en) | 2014-08-12 | 2014-08-12 | Power battery box and printed circuit board (PCB) adapter plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410391941.2A CN104157821B (en) | 2014-08-12 | 2014-08-12 | Power battery box and printed circuit board (PCB) adapter plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104157821A true CN104157821A (en) | 2014-11-19 |
| CN104157821B CN104157821B (en) | 2017-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410391941.2A Active CN104157821B (en) | 2014-08-12 | 2014-08-12 | Power battery box and printed circuit board (PCB) adapter plate |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105578745A (en) * | 2015-11-04 | 2016-05-11 | 盐城市惠众新能源科技有限公司 | Printed circuit board and power supply system |
| CN106299185A (en) * | 2016-08-29 | 2017-01-04 | 天津力神电池股份有限公司 | A kind of modular automotive battery case |
| CN106961128A (en) * | 2016-01-11 | 2017-07-18 | 顺丰科技有限公司 | Unmanned plane intelligent battery |
| CN107039611A (en) * | 2015-11-19 | 2017-08-11 | 三星Sdi株式会社 | Battery pack |
| CN107093687A (en) * | 2017-05-26 | 2017-08-25 | 江苏银基烯碳能源科技有限公司 | A kind of battery module structure |
| CN109817873A (en) * | 2018-12-17 | 2019-05-28 | 浙江新创能源有限公司 | A kind of electrokinetic cell system |
| CN110142559A (en) * | 2019-06-27 | 2019-08-20 | 创领心律管理医疗器械（上海）有限公司 | Welding tooling and welding equipment |
| CN111373568A (en) * | 2018-06-25 | 2020-07-03 | 博洛尼亚大学阿尔玛母校研究室 | Power module and assembling method thereof |
| CN114076860A (en) * | 2020-08-19 | 2022-02-22 | 华中科技大学 | Voltage detection device for half-bridge type power module |
| WO2023108329A1 (en) * | 2021-12-13 | 2023-06-22 | Inventus Power, Inc. | Battery pack |
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| CN202384422U (en) * | 2011-11-21 | 2012-08-15 | 深圳市沃特玛电池有限公司 | Electrode adapter board of serial-parallel battery pack |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105578745A (en) * | 2015-11-04 | 2016-05-11 | 盐城市惠众新能源科技有限公司 | Printed circuit board and power supply system |
| CN105578745B (en) * | 2015-11-04 | 2019-05-28 | 盐城市惠众新能源科技有限公司 | Printed circuit board and power supply system |
| CN107039611A (en) * | 2015-11-19 | 2017-08-11 | 三星Sdi株式会社 | Battery pack |
| CN106961128A (en) * | 2016-01-11 | 2017-07-18 | 顺丰科技有限公司 | Unmanned plane intelligent battery |
| CN106299185A (en) * | 2016-08-29 | 2017-01-04 | 天津力神电池股份有限公司 | A kind of modular automotive battery case |
| CN107093687A (en) * | 2017-05-26 | 2017-08-25 | 江苏银基烯碳能源科技有限公司 | A kind of battery module structure |
| CN111373568A (en) * | 2018-06-25 | 2020-07-03 | 博洛尼亚大学阿尔玛母校研究室 | Power module and assembling method thereof |
| CN109817873A (en) * | 2018-12-17 | 2019-05-28 | 浙江新创能源有限公司 | A kind of electrokinetic cell system |
| CN110142559A (en) * | 2019-06-27 | 2019-08-20 | 创领心律管理医疗器械（上海）有限公司 | Welding tooling and welding equipment |
| CN114076860A (en) * | 2020-08-19 | 2022-02-22 | 华中科技大学 | Voltage detection device for half-bridge type power module |
| CN114076860B (en) * | 2020-08-19 | 2023-02-28 | 华中科技大学 | Voltage detection device for half-bridge type power module |
| WO2023108329A1 (en) * | 2021-12-13 | 2023-06-22 | Inventus Power, Inc. | Battery pack |
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| CN104157821B (en) | 2017-01-11 |
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Address after: 454191 Industrial Cluster Area, Jiaozuo City, Henan Province, Standardized Workshop Area on the North Side of Xinyuan Road, West Park Patentee after: Multi-fluorine New Energy Technology Co., Ltd. Address before: 454191 Henan Jiaozuo industrial agglomeration area, West Park, Xinyuan Road, north side of the standardization workshop. Patentee before: Duofuduo (Jiaozuo) Amperex Technology Limited |