CN203481330U - Safety device of lithium battery pack - Google Patents
Safety device of lithium battery pack Download PDFInfo
- Publication number
- CN203481330U CN203481330U CN201320445481.8U CN201320445481U CN203481330U CN 203481330 U CN203481330 U CN 203481330U CN 201320445481 U CN201320445481 U CN 201320445481U CN 203481330 U CN203481330 U CN 203481330U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- lithium battery
- safety device
- battery group
- charging wire
- 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.)
- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Battery Mounting, Suspending (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides a safety device of a lithium battery pack. The safety device comprises a circuit board, wherein a plurality of signal transmission wires are installed on the circuit board in a printing manner; a charging wire is embedded in the circuit board; one end of the charging wire is connected with a general anode and a general cathode of a battery pack, and the other end of the charging wire is connected with a charging node of a protective board. The safety device of the lithium battery pack has the advantages of easiness of management, high-temperature resistance, aging resistance, damage resistance and high reliability.
Description
Technical field
The utility model relates to a kind of safety device of lithium battery group.
Background technology
In lithium battery group, there is the mutual connection in series-parallel of a plurality of cell groups.In order to guarantee the normal operation of lithium battery group, need to detect the temperature of the voltage of each cell of inside battery and the inner each point of battery pack, and testing result is transferred to battery management system evaluation.
Prior art adopts by voltage signal wire bonding the negative or positive electrode at cell, for temperature monitoring, be that temperature sensor is positioned over to battery pack inside, the output signal of temperature sensor is similarly voltage signal, and these voltage signals also transmit by voltage signal line.The general copper core voltage signal line that adopts carries out voltage transmission at present.When signal acquisition point quantity is many, just need to use a lot of voltage signal lines, conventionally these holding wires are bundled into wire harness, to manage.But there are some problems in this technology.First, when signal acquisition point quantity is how to a certain extent time, the quantity of holding wire is too many, is easy to cause the situation of wire harness confusion, is not easy management; Secondly, in use, be subject to the impact of ambient temperature, copper core holding wire there will be aging phenomenon; In addition, between holding wire and between holding wire and other electric wires, may there is short circuit phenomenon; Finally, between holding wire and signal acquisition point and between holding wire and signal output port, need to be electrically connected by welding manner, and the mode of welding is easy to produce the problems such as rosin joint, sealing-off, and signals collecting and transmission are caused to harmful effect.
Existing signal transmssion line is printed on circuit board, has advantages of that holding wire marshalling, high temperature resistant, anti-aging, resistance to destruction, reliability are high.But the charging wire of lithium battery group still adopts thick and long copper core, and charging wire is to draw two thick lines to the charging node of protective circuit from the charging inlet of lithium battery group, and electric current is delivered to battery through the control of protective circuit.The volume that charging wire accounts in lithium battery group inside is large, to the assembling of lithium battery group, make troubles, once and there is short circuit, be easy to cause fire.
Summary of the invention
The safety device of the lithium battery group that the purpose of this utility model is to provide a kind of and uses safety, conveniently manages, reliability is high.
For reaching goal of the invention the technical solution adopted in the utility model, be:
A kind of safety device of lithium battery group; comprise circuit board, on described circuit board, be printed with many signal transmssion lines, it is characterized in that: on described circuit board, be also embedded with charging wire; one end of described charging wire and battery pack are always just, total negative pole is connected, and its other end is connected with the charging node of baffle.
Further, described charging wire is printed on circuit board to run through circuit board mode.
Further, on every described signal transmssion line, be equipped with the connecting terminal of connection corresponding to sample of signal point.
Further, described connecting terminal is provided with conducting element, dismountable being connected on sample of signal point of the other end of described conducting element.
Further, on described circuit board, be also provided with the socket for being connected with protective circuit, described socket and signal transmssion line electrical connection.
During use, the utility model is positioned in lithium battery group, the sample of signal point of the cell in the conducting element on the signal transmssion line on circuit board and lithium battery group is connected one to one, make voltage signal collected and output by corresponding signal transmssion line of each cell; In the time of need to carrying out temperature detection, the conducting element of signal transmssion line is connected with the voltage signal output point of temperature sensor in lithium battery group, and this voltage signal acquisition output.One end of charging wire on circuit board is connected with charging inlet, and its other end is connected with the charging node of baffle, during charging, only charging inlet need be connected and can charge to lithium battery group with the output interface of charger.
The utility model is all directly printed on signal transmssion line and charging wire on circuit board, and each signal transmssion line and charging wire marshalling are easy to management, high temperature resistant, anti-aging, resistance to destruction, and reliability is high.
The utility model beneficial effect: be easy to management, high temperature resistant, anti-aging, resistance to destruction, reliability is high.
Accompanying drawing explanation
Fig. 1 structure chart of the present utility model.
Embodiment
Below in conjunction with specific embodiment, the utility model is further described, but the utility model is not confined to these embodiments.One skilled in the art would recognize that the utility model contained all alternatives, improvement project and the equivalents that within the scope of claims, may comprise.
With reference to Fig. 1; a kind of safety device of lithium battery group; comprise circuit board 1; on described circuit board 1, be printed with many signal transmssion lines 2; on described circuit board 1, be also embedded with charging wire 3; one end of described charging wire 3 and battery pack are always just, total negative pole is connected, and its other end is connected with the charging node of baffle.
Described charging wire 3 is printed on circuit board to run through circuit board mode.
On every described signal transmssion line 2, be equipped with the connecting terminal 4 of connection corresponding to sample of signal point.
Described connecting terminal 4 is provided with conducting element, dismountable being connected on sample of signal point of the other end of described conducting element.
On described circuit board 1, be also provided with the socket 5 for being connected with protective circuit, described socket 5 and signal transmssion line electrical connection.
During use, the utility model is positioned in lithium battery group, the sample of signal point of the cell in the conducting element on the signal transmssion line on circuit board 12 and lithium battery group is connected one to one, make voltage signal collected and output by corresponding signal transmssion line 2 of each cell; In the time of need to carrying out temperature detection, the conducting element of signal transmssion line 2 is connected with the voltage signal output point of temperature sensor in lithium battery group, and this voltage signal acquisition output.One end of charging wire 3 on circuit board 1 is connected with charging inlet, and its other end is connected with the charging node of baffle, during charging, only charging inlet need be connected and can charge to lithium battery group with the output interface of charger.
The utility model is all directly printed on signal transmssion line 2 and charging wire 3 on circuit board 1, and each signal transmssion line 2 and charging wire 3 marshallings are easy to management, high temperature resistant, anti-aging, resistance to destruction, and reliability is high.
Claims (5)
1. the safety device of a lithium battery group; comprise circuit board; on described circuit board, be printed with many signal transmssion lines; it is characterized in that: on described circuit board, be also embedded with charging wire; one end of described charging wire and battery pack are always just, total negative pole is connected, and its other end is connected with the charging node of baffle.
2. the safety device of a kind of lithium battery group according to claim 1, is characterized in that: described charging wire is printed on circuit board to run through circuit board mode.
3. the safety device of a kind of lithium battery group according to claim 1 and 2, is characterized in that: the connecting terminal that is equipped with connection corresponding to sample of signal point on every described signal transmssion line.
4. the safety device of a kind of lithium battery group according to claim 3, is characterized in that: described connecting terminal is provided with conducting element, dismountable being connected on sample of signal point of the other end of described conducting element.
5. the safety device of a kind of lithium battery group according to claim 4, is characterized in that: on described circuit board, be also provided with the socket for being connected with protective circuit, described socket and signal transmssion line electrical connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320445481.8U CN203481330U (en) | 2013-07-24 | 2013-07-24 | Safety device of lithium battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320445481.8U CN203481330U (en) | 2013-07-24 | 2013-07-24 | Safety device of lithium battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203481330U true CN203481330U (en) | 2014-03-12 |
Family
ID=50229599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320445481.8U Expired - Fee Related CN203481330U (en) | 2013-07-24 | 2013-07-24 | Safety device of lithium battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203481330U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105163480A (en) * | 2015-08-28 | 2015-12-16 | 青岛海信移动通信技术股份有限公司 | Circuit board and intelligent terminal |
| 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 |
-
2013
- 2013-07-24 CN CN201320445481.8U patent/CN203481330U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105163480A (en) * | 2015-08-28 | 2015-12-16 | 青岛海信移动通信技术股份有限公司 | Circuit board and intelligent terminal |
| CN105163480B (en) * | 2015-08-28 | 2018-05-15 | 青岛海信移动通信技术股份有限公司 | circuit board and intelligent terminal |
| CN108271312A (en) * | 2015-08-28 | 2018-07-10 | 青岛海信移动通信技术股份有限公司 | Circuit board and intelligent terminal |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SUZHOU ANKAO ENERGY CO., LTD. Free format text: FORMER OWNER: XU YULIN Effective date: 20150724 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150724 Address after: Suzhou City, Jiangsu province 215000 Industrial Park Suzhou Huahong Street No. 29 Patentee after: ANKAO (SUZHOU) ENERGY Co.,Ltd. Address before: Hangzhou City, Zhejiang province 310030 poplar economic and Technological Development Zone Street No. 6 Street No. 452 Building 2 room A0503-A0504/A0515-A0517 Patentee before: Xu Yulin |
|
| PP01 | Preservation of patent right |
Effective date of registration: 20161031 Granted publication date: 20140312 |
|
| RINS | Preservation of patent right or utility model and its discharge | ||
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20170430 Granted publication date: 20140312 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 Termination date: 20210724 |