CN204809296U - Group battery sampling device - Google Patents
Group battery sampling device Download PDFInfo
- Publication number
- CN204809296U CN204809296U CN201520530823.5U CN201520530823U CN204809296U CN 204809296 U CN204809296 U CN 204809296U CN 201520530823 U CN201520530823 U CN 201520530823U CN 204809296 U CN204809296 U CN 204809296U
- Authority
- CN
- China
- Prior art keywords
- battery
- battery modules
- pcb board
- hard pcb
- fexible conductor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000005070 sampling Methods 0.000 title claims abstract description 26
- 239000004020 conductor Substances 0.000 claims abstract description 29
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
- Connection Of Batteries Or Terminals (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a group battery sampling device, it includes two at least battery modules, the lateral part of every battery module all fixed lot at least has a stereoplasm PCB board of signal acquisition line, the signal acquisition line links to each other with the battery that corresponds in the battery module, and the stereoplasm PCB board on the two adjacent battery modules links to each other through first fexible conductor. The utility model discloses this kind of group battery sampling device stable in structure connects reliably, and it can reach is connected with external circuit very conveniently, can install on the group battery again very easily.
Description
Technical field
The utility model relates to a kind of battery pack sampling apparatus, belongs to battery signal acquisition technique field.
Background technology
Lithium ion battery has high-energy-density, high-specific-power, long circulation life, low self-discharge rate and the advantage incomparable to many conventional batteries such as environment are friendly, obtains increasingly extensive application.
In order to monitor the operating state of battery in lithium battery group, the parameter such as voltage and current, temperature of battery immediately will be measured.The conventional method doing this measurement uses many sample line, and be connected to the two poles of the earth and other positions of battery, this structure reaches the requirement of detection, but line is many and random, the danger adding external short circuit He make mistakes.
For overcoming this drawback, adopt the hard pcb board with signals collecting circuit to gather signals such as the voltage of battery pack and temperature in prior art, this plate is thin, easy for installation, solves the at random of sample line and the danger being cut short circuit.
But still there is complex structure in the battery pack sampling apparatus of existing this fully hard matter pcb board structure, the problems such as wiring difficulty.This is because the battery pack sampling apparatus of this traditional structure is when embody rule, usually connected by the conduction weld tabs that material is harder between the hard pcb board that different battery modules is installed, welding procedure between conduction weld tabs and pcb board is wayward, in use, if there is relative motion between each pcb board, then be easy to cause guide card to come off, it is unreliable to connect.
Utility model content
The utility model object is: provide a kind of Stability Analysis of Structures, connect reliable battery pack sampling apparatus, and this device can be connected with external circuit very easily, can install on the battery pack easily again.
The technical solution of the utility model is: a kind of battery pack sampling apparatus, comprise at least two battery modules, the sidepiece of each battery modules all fixes at least one piece of hard pcb board with signals collecting line, described signals collecting line is connected with the battery in corresponding battery modules, and the hard pcb board in adjacent two battery modules is connected by the first fexible conductor.
The utility model, on the basis of technique scheme, also comprises following preferred version:
At least one piece of described hard pcb board is connected with connector by the second fexible conductor.
Described second fexible conductor is flexible PCB, flexible wires row or flexible harness.
Described connector is snap joint or the pcb board with snap joint.
Described first fexible conductor is flexible PCB, flexible wires row or flexible harness.
The utility model has the advantages that: the utility model each battery modules in battery pack system arranges hard pcb board, and the signals collecting line on hard pcb board is connected with the battery in corresponding battery modules, hard pcb board in adjacent two battery modules is coupled together by the fexible conductor that can freely be badly deformed simultaneously, form battery pack sampling apparatus of the present utility model, thus the signal such as voltage, temperature of a whole set of battery pack system can be gathered.The sampling apparatus assembling of this version is very simple, during assembling, automation equipment can be utilized to be contained in battery modules by hard pcb board, fexible conductor can free bend, connection between itself and hard pcb board is very convenient, even if corresponding motion occurs battery modules, fexible conductor is also difficult to come off from hard pcb board, connects very reliable.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of battery pack sampling apparatus in the utility model embodiment one, and in figure, B-and B+ represents positive terminal and the negative pole end of battery modules respectively;
Fig. 2 is the vertical view of Fig. 1, and in figure, B-and B+ represents positive terminal and the negative pole end of battery modules respectively;
Fig. 3 is the structural representation of battery pack sampling apparatus in the utility model embodiment one, and in figure, B-and B+ represents positive terminal and the negative pole end of battery modules respectively;
Fig. 4 is the upward view of Fig. 3.
Wherein: A-battery modules, 1-hard pcb board, 1a-signals collecting line, 2-first fexible conductor, 3-second fexible conductor, 4-connector, 5-sampling sheet.
Embodiment
Below in conjunction with specific embodiment, such scheme is described further.Should be understood that these embodiments are not limited to for illustration of the utility model limit scope of the present utility model.The implementation condition adopted in embodiment can do further adjustment according to the condition of concrete producer, and not marked implementation condition is generally the condition in normal experiment.
Embodiment one:
Fig. 1 and Fig. 2 shows a specific embodiment of this battery pack sampling apparatus of the utility model, show two battery modules A in fig. 1 and 2 altogether, the sidepiece of each battery modules A all fixes one piece of hard pcb board 1 with signals collecting line 1a, described signals collecting line 1a is connected with the battery in corresponding battery modules A by sampling sheet 5, to gather the signal such as voltage, temperature of battery.
In fig. 1 and 2, each battery modules A all has three groups of cells be connected in series, these three groups of cells be connected in series are arranged in fig. 1 and 2 from left to right successively, and each cell in each group is connected in parallel, and this is battery modules conventional structure.Conveniently reader understanding's technical solutions of the utility model, at this we these three groups are connected in series and the cell distributed successively is from left to right referred to as first group of cell, second group of cell and the 3rd group of cell.Hard pcb board 1 on each battery modules A, one part signal gathering line 1a is connected with the electrode tip of first group of cell, part signals collecting line 1a is connected with the electrode tip of second group of cell, and a part of signals collecting line 1a is connected with the electrode tip of the 3rd group of cell.
And these two pieces adjacent hard pcb boards 1 are electrically connected by the first fexible conductor 2, thus these two battery modules A in Fig. 1 and Fig. 2 are together in series (this makes it possible to gather the voltage signal between these two battery modules A), wherein one piece of hard pcb board 1 is connected with connector 4 by the second fexible conductor 3, during use, this connector 4 is connected with external circuit, draws with the battery pack signal that will collect.During embody rule, can the second fexible conductor 3 of free bend make the position of connector 4 can according to actual installation situation flexible, thus facilitate the connection of itself and extraneous circuit.
Certainly, when practical application, we also can adopt aforesaid way three, four even more battery modules to be together in series, and gather the signal such as voltage, temperature of these battery modules.At this moment, we need all to fix one piece of hard pcb board 1 with signals collecting line 1a at the sidepiece of each battery modules A, and signals collecting line 1a is connected with the battery in corresponding battery modules A by sampling sheet, hard pcb board 1 in adjacent two battery modules is coupled together by the first fexible conductor 2 simultaneously, and that piece of hard pcb board 1 being positioned at most end connects upper connector 4 by the second fexible conductor 3, during use, this connector 4 is connected with external circuit, draws with the battery pack signal that will collect.
Described first fexible conductor 2 can adopt flexible PCB, flexible wires also can be adopted to arrange, can also adopt flexible harness.In like manner, described second fexible conductor 3 can adopt flexible PCB, flexible wires also can be adopted to arrange, can also adopt flexible harness.In this example, described first fexible conductor 2 and the second fexible conductor 3 are flexible wires row, hard pcb board 1 are provided with corresponding line row tie point.
Connector 4 described in this example is snap joint, and we also can adopt the pcb board with snap joint certainly.
In this example, the length of described hard pcb board 1 is arranged along the length direction extension of described battery modules A, and the length two ends of hard pcb board 1 and the length two ends of described battery modules A concordant, to ensure that hard pcb board 1 can to gather on battery modules A everywhere while battery signal, make the structure of hard pcb board 1 and battery modules A compacter.
When embody rule, can utilize automation equipment that hard pcb board 1 is arranged on battery modules sidepiece very easily, can the fexible conductor 2 of free bend make the position of connector 4 can according to actual installation situation flexible, thus facilitate the connection of itself and external circuit, as Fig. 1.
Embodiment two:
Fig. 3 and Fig. 4 shows second specific embodiment of this battery pack sampling apparatus of the utility model, show two battery modules A in figs. 3 and 4 altogether, the sidepiece of each battery modules A is all fixed with the hard pcb board 1 of polylith with signals collecting line, described signals collecting line is connected with the battery in corresponding battery modules A by sampling sheet, to gather the signal such as voltage, temperature of battery.
In figs. 3 and 4, each battery modules A all has three groups of cells be connected in series, these three groups of cells be connected in series are arranged in figs. 3 and 4 from bottom to top successively, and each cell in each group is connected in parallel, and this is battery modules conventional structure.Conveniently reader understanding's technical solutions of the utility model, at this we these three groups are connected in series and the cell distributed successively is from bottom to top referred to as first group of cell, second group of cell and the 3rd group of cell.In this example, each battery modules A is provided with four pieces of hard pcb boards 1 (the concrete quantity of hard pcb board 1 can adjust according to factors such as battery module structure), these four pieces of hard pcb boards 1 are connected to the negative pole end of first group of cell, the positive terminal of first group of cell, the positive terminal of second group of cell, the positive terminal of the 3rd group of cell., such as right side second hard pcb board 1 from top to bottom in figure 3, it is connected in parallel on the positive pole of that Battery pack between B2 and B1.
Further, be connected by the first fexible conductor 2 between the adjacent two hard pcb boards 1 on these two battery modules A, thus these two battery modules A in Fig. 3 and Fig. 4 are together in parallel.
Certainly, when practical application, we also can adopt aforesaid way by three, four even more battery modules in parallel, and gather the signal such as voltage, temperature of these battery modules.At this moment, we need all to fix the hard pcb board 1 of polylith with signals collecting line 1a at the sidepiece of each battery modules A, and signals collecting line 1a is connected (electrode tip that these hard pcb boards 1 on each battery modules A are connected in parallel on respective battery in this battery modules A) by sampling sheet with the battery in corresponding battery modules A, hard pcb board 1 in adjacent two battery modules is coupled together by the first fexible conductor 2 simultaneously, thus these battery modules in parallel are got up, the coherent signal of these batteries in parallel connection module A is gathered with this.
Described first fexible conductor 2 can adopt flexible PCB, flexible wires also can be adopted to arrange, can also adopt flexible harness.In this example, this first fexible conductor 2 is flexible harness.
In this example, the length of described hard pcb board 1 is arranged along the Width extension of described battery modules A, and the length two ends of hard pcb board 1 and the width two ends of described battery modules A concordant, to ensure that hard pcb board 1 can to gather on battery modules A everywhere while battery signal, make the structure of hard pcb board 1 and battery modules A compacter.
In general, a set of battery pack system comprises many battery modules, so we just can adopt the mode of above-described embodiment one and embodiment two, each battery modules is all provided with the hard pcb board 1 of signals collecting line 1a, signals collecting line 1a is connected with the battery in corresponding battery modules A by sampling sheet, and then (can be the hard pcb board 1 on all two adjacent battery modules A by the hard pcb board 1 on adjacent two battery modules A, also can be the hard pcb board 1 on a part of two adjacent battery modules A, specifically can be decided according to the actual requirements) coupled together by the first fexible conductor 2, and the voltage everywhere of a whole set of battery pack system can be gathered, the signals such as temperature.
Above-described embodiment, only for technical conceive of the present utility model and feature are described, its object is to people can be understood content of the present utility model and implement according to this, can not limit protection range of the present utility model with this.All equivalent transformations of doing according to the Spirit Essence of the utility model main technical schemes or modification, all should be encompassed within protection range of the present utility model.
Claims (5)
1. a battery pack sampling apparatus, comprise at least two battery modules (A), it is characterized in that: the sidepiece of each battery modules (A) all fixes at least one piece of hard pcb board (1) with signals collecting line (1a), described signals collecting line (1a) is connected with the battery in corresponding battery modules (A), and the hard pcb board (1) on adjacent two battery modules (A) is connected by the first fexible conductor (2).
2. battery pack sampling apparatus according to claim 1, is characterized in that: at least one piece of described hard pcb board (1) is connected with connector (4) by the second fexible conductor (3).
3. battery pack sampling apparatus according to claim 2, is characterized in that: described second fexible conductor (3) is flexible PCB, flexible wires is arranged or flexible harness.
4. battery pack sampling apparatus according to claim 2, is characterized in that: described connector (4) is snap joint or the pcb board with snap joint.
5. battery pack sampling apparatus according to claim 1, is characterized in that: described first fexible conductor (2) is flexible PCB, flexible wires is arranged or flexible harness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520530823.5U CN204809296U (en) | 2015-07-21 | 2015-07-21 | Group battery sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520530823.5U CN204809296U (en) | 2015-07-21 | 2015-07-21 | Group battery sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204809296U true CN204809296U (en) | 2015-11-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520530823.5U Active CN204809296U (en) | 2015-07-21 | 2015-07-21 | Group battery sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204809296U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3595038A1 (en) * | 2018-07-13 | 2020-01-15 | Yazaki Corporation | Circuit body and battery module |
-
2015
- 2015-07-21 CN CN201520530823.5U patent/CN204809296U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3595038A1 (en) * | 2018-07-13 | 2020-01-15 | Yazaki Corporation | Circuit body and battery module |
| CN110718661A (en) * | 2018-07-13 | 2020-01-21 | 矢崎总业株式会社 | Circuit body and battery module |
| US11128018B2 (en) | 2018-07-13 | 2021-09-21 | Yazaki Corporation | Circuit body and battery module |
| CN110718661B (en) * | 2018-07-13 | 2022-07-29 | 矢崎总业株式会社 | Circuit body and battery module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20200327 Granted publication date: 20151125 |
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| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20230309 Granted publication date: 20151125 |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231025 Address after: Room J2243, No. 6, Lane 129, Huajiang Road, Jiading District, Shanghai, 201800 Patentee after: Shanghai Qike Network Technology Co.,Ltd. Address before: No. 29, Huahong street, Suhong East Road, Suzhou Industrial Park, Jiangsu Province, 215026 Patentee before: ANKAO (SUZHOU) ENERGY Co.,Ltd. |