CN107946679B - Lithium ion battery and battery pack - Google Patents
Lithium ion battery and battery pack Download PDFInfo
- Publication number
- CN107946679B CN107946679B CN201711215037.6A CN201711215037A CN107946679B CN 107946679 B CN107946679 B CN 107946679B CN 201711215037 A CN201711215037 A CN 201711215037A CN 107946679 B CN107946679 B CN 107946679B
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- China
- Prior art keywords
- lithium ion
- pressure sensor
- ion battery
- bottom box
- battery
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
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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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a lithium ion battery and a battery pack, and relates to the technical field of batteries; the middle part of the bottom box is provided with a supporting plate, the upper part of the bottom box is covered with a top cover, a plurality of lithium ion batteries are arranged on the left side and the right side of the supporting plate on the bottom box, and the lithium ion batteries are connected in series by connecting wires; lithium ion battery's front and back lateral wall in a lateral wall in inlay be equipped with pressure sensor No. one, lithium ion battery about in the lateral wall wherein a lateral wall in inlay be equipped with No. two pressure sensor, pressure sensor and No. two pressure sensor on all be connected with the spring, the spring other end that is located a pressure sensor sets up with adjacent lithium ion battery's lateral wall contact, the spring other end that is located No. two pressure sensor sets up with backup pad lateral wall contact. The volume expansion real-time monitoring in the lithium battery using process is favorable for improving the safety of the lithium battery using process, and the safety and the practicability are improved.
Description
Technical Field
The invention relates to the technical field of batteries, in particular to a lithium ion battery and a battery pack.
Background
The lithium battery is a primary battery using lithium metal or lithium alloy as a negative electrode material and using a non-aqueous electrolyte solution, unlike a lithium ion battery, which is a rechargeable battery, and a lithium ion polymer battery. The inventor of lithium batteries was edison. Because the chemical characteristics of lithium metal are very active, the requirements on the environment for processing, storing and using the lithium metal are very high. Therefore, lithium batteries have not been used for a long time. With the development of microelectronic technology at the end of the twentieth century, miniaturized devices are increasing, and high requirements are made on power supplies. The lithium battery has then entered a large-scale practical stage.
The electrolyte is arranged in the lithium battery, and after repeated discharge, part of the electrolyte is decomposed to generate gas, so that the battery expands, the lithium battery with serious expansion is not used, even the lithium battery explodes, the serious potential safety hazard exists, and the improvement is needed urgently.
Disclosure of Invention
The invention aims to provide a lithium ion battery and a battery pack which have simple structure, reasonable design and convenient use, monitor the volume expansion of the lithium battery in the using process in real time, are beneficial to improving the safety of the lithium battery in the using process and improve the safety and the practicability.
In order to achieve the purpose, the invention adopts the technical scheme that: the lithium ion battery pack comprises a bottom box, a supporting plate, a lithium ion battery, a controller, a buzzer, a top cover, a first pressure sensor, a spring and a second pressure sensor; the middle part of the bottom box is provided with a supporting plate, the upper part of the bottom box is covered with a top cover, a plurality of lithium ion batteries are arranged on the left side and the right side of the supporting plate on the bottom box, and the lithium ion batteries are connected in series by connecting wires; a first pressure sensor is embedded in one of the front side wall and the rear side wall of the lithium ion battery, a second pressure sensor is embedded in one of the left side wall and the right side wall of the lithium ion battery, springs are connected to the first pressure sensor and the second pressure sensor, the other end of the spring on the first pressure sensor is in contact with the side wall of the adjacent lithium ion battery, and the other end of the spring on the second pressure sensor is in contact with the side wall of the supporting plate; the buzzer and the controller are both fixed on the supporting plate; the controller is connected with the buzzer, the first pressure sensor and the second pressure sensor.
Further, the top of the supporting plate is arranged in contact with the inner part of the upper wall of the top cover.
Furthermore, several lithium ion battery upper wall all be equipped with the warning light, this warning light is connected with the controller, is equipped with electric control switch on the interconnecting link.
Furthermore, the left side wall and the right side wall of the bottom box extend outwards to form a bottom box fixing edge, and a plurality of bottom box screw holes are formed in the bottom box fixing edge; the left side and the right side of the lower part of the top cover extend outwards to form top cover fixing edges, and a plurality of top cover through holes corresponding to the bottom box screw holes are formed in the top cover fixing edges; the top cover is fixedly connected with the bottom box through a bolt, and the bolt penetrates through the top cover through hole and then is fixedly screwed with the screw hole of the bottom box.
Furthermore, a plurality of heat dissipation holes are formed in the upper wall of the top cover, each heat dissipation hole is arranged corresponding to the lithium ion battery arranged on the bottom box, a heat dissipation silica gel column penetrates and is fixed in each heat dissipation hole, and the lower end of each heat dissipation silica gel column is arranged in contact with the top of the lithium ion battery positioned below the heat dissipation silica gel column.
The working principle of the invention is as follows: when the lithium ion batteries expand, a first pressure sensor is arranged among the plurality of lithium ion batteries, and a second pressure sensor arranged between the lithium ion batteries and the supporting plate senses the pressure transmitted by the spring in real time.
After adopting the structure, the invention has the beneficial effects that: the lithium ion battery and the battery pack have the advantages of simple structure, reasonable arrangement, low manufacturing cost and the like, and the volume expansion of the lithium battery in the using process is monitored in real time, so that the safety of the lithium battery in the using process is improved, and the safety and the practicability are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a structural sectional view of the present invention.
Fig. 2 is a schematic diagram of the lithium ion battery connection in the present invention.
Fig. 3 is an electrical control block diagram of the present invention.
Description of reference numerals:
the device comprises a bottom box 1, a bottom box fixing edge 1-1, a bottom box screw hole 1-2, a supporting plate 2, a lithium ion battery 3, a controller 4, a buzzer 5, a top cover 6, a top cover fixing edge 6-1, a top cover perforation 6-2, a heat dissipation hole 6-3, a first pressure sensor 7, a spring 8, a warning lamp 9, a heat dissipation silica gel column 10 and a second pressure sensor 11.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
Referring to fig. 1, the technical solution adopted by the present embodiment is: the lithium ion battery pressure sensor comprises a bottom box 1, a supporting plate 2, a lithium ion battery 3, a controller 4, a buzzer 5, a top cover 6, a first pressure sensor 7, a spring 8 and a second pressure sensor 11; a support plate 2 is integrally formed upwards in the middle of the bottom box 1, a top cover 6 covers the upper part of the bottom box 1, a plurality of lithium ion batteries 3 are arranged on the left side and the right side of the support plate 2 on the bottom box 1, and the lithium ion batteries 3 are connected in series by connecting wires; a first pressure sensor 7 is embedded in one side wall of the front side wall and the rear side wall of the lithium ion battery 3, a second pressure sensor 11 is embedded in one side wall of the left side wall and the right side wall of the lithium ion battery 3, the first pressure sensor 7 and the second pressure sensor 11 are both connected with springs 8, the other end of each spring 8 on the first pressure sensor 7 is in contact with the side wall of the adjacent lithium ion battery 3, and the other end of each spring 8 on the second pressure sensor 11 is in contact with the side wall of the support plate 2; the buzzer 5 and the controller 4 are both fixed on the supporting plate 2; the controller 4 is connected with the buzzer 5, the first pressure sensors 7 and the second pressure sensors 11.
Further, the top of the supporting plate 2 is disposed in contact with the inside of the upper wall of the top cover 6.
Further, several lithium ion battery 3 upper wall all be equipped with warning light 9, this warning light 9 is connected with controller 4, is equipped with electric control switch on the interconnecting link.
Furthermore, the left side wall and the right side wall of the bottom box 1 extend outwards to form bottom box fixing edges 1-1, and a plurality of bottom box screw holes 1-2 are formed in the bottom box fixing edges 1-1; the left side and the right side of the lower part of the top cover 6 extend outwards to form top cover fixing edges 6-1, and a plurality of top cover through holes 6-2 corresponding to the bottom box screw holes 1-2 are formed in the top cover fixing edges 6-1; the top cover 6 is fixedly connected with the bottom box 1 through a bolt, and the bolt penetrates through the top cover through hole 6-2 and then is fixedly screwed with the bottom box screw hole 1-2.
Furthermore, the upper wall of the top cover 6 is provided with a plurality of heat dissipation holes 6-3, each heat dissipation hole 6-3 is arranged corresponding to the lithium ion battery 3 arranged on the bottom box 1, a heat dissipation silica gel column 10 is fixedly arranged in each heat dissipation hole 6-3 in a penetrating way, and the lower end of the heat dissipation silica gel column 10 is arranged in contact with the top of the lithium ion battery 3 positioned below the heat dissipation silica gel column 10.
Further, the controller 4, the buzzer 5, the first pressure sensor 7 and the second pressure sensor 11 are all powered by the lithium ion battery 3, and the respective models are selectively used by those skilled in the art according to actual conditions (the specific sizes of the bottom case 1, the top cover 6 and the lithium ion battery 3).
The working principle of the specific embodiment is as follows: when the lithium ion batteries 3 expand, a first pressure sensor 7 is arranged among the plurality of lithium ion batteries 3, and a second pressure sensor 11 arranged between the lithium ion batteries 3 and the supporting plate 2 senses the pressure transmitted by the spring 8 in real time, when the sensed pressure exceeds the preset value of the pressure sensor, the pressure sensor transmits a signal to the controller 4, the controller 4 controls the buzzer 5 to give an alarm, the alarm lamp 9 arranged at the upper part of each lithium ion battery 3 is used for marking the lithium ion battery 3 with the volume expansion exceeding the limit value, that is, when the buzzer 5 is started to alarm after the volume of one or more lithium ion batteries 3 expands to the limit value, the controller 4 simultaneously controls the electric control switch connected with the lithium ion batteries 3 to be closed, the warning lamp 9 is turned on, so that maintenance personnel can replace the lithium ion battery 3 more quickly and clearly; the lower end of the heat dissipation silica gel column 10 arranged on the top cover 6 is contacted with the lithium ion battery 3, so that heat generated by the lithium ion battery 3 is conducted to the outside of the top cover 6, heat is effectively dissipated, and the whole lithium ion battery pack is protected.
After adopting above-mentioned structure, this embodiment beneficial effect does: the lithium ion battery and the battery pack of the embodiment monitor the volume expansion of the lithium battery in real time in the using process, are favorable for improving the safety of the lithium battery in the using process, and improve the safety and the practicability.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (1)
1. A lithium ion battery pack, characterized by: the lithium ion battery pack comprises a bottom box, a supporting plate, a lithium ion battery, a controller, a buzzer, a top cover, a first pressure sensor, a spring and a second pressure sensor; the middle part of the bottom box is provided with a supporting plate, the upper part of the bottom box is covered with a top cover, a plurality of lithium ion batteries are arranged on the left side and the right side of the supporting plate on the bottom box, and the lithium ion batteries are connected in series by connecting wires; a first pressure sensor is embedded in one of the front side wall and the rear side wall of the lithium ion battery, a second pressure sensor is embedded in one of the left side wall and the right side wall of the lithium ion battery, springs are connected to the first pressure sensor and the second pressure sensor, the other end of the spring on the first pressure sensor is in contact with the side wall of the adjacent lithium ion battery, and the other end of the spring on the second pressure sensor is in contact with the side wall of the supporting plate; the buzzer and the controller are both fixed on the supporting plate; the controller is respectively connected with the buzzer, the first pressure sensors and the second pressure sensors; the upper wall of the top cover is provided with a plurality of heat dissipation holes, each heat dissipation hole is arranged corresponding to the lithium ion battery arranged on the bottom box, a heat dissipation silica gel column is fixedly arranged in each heat dissipation hole in a penetrating manner, and the lower end of the heat dissipation silica gel column is arranged in contact with the top of the lithium ion battery positioned below the heat dissipation silica gel column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711215037.6A CN107946679B (en) | 2017-11-28 | 2017-11-28 | Lithium ion battery and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711215037.6A CN107946679B (en) | 2017-11-28 | 2017-11-28 | Lithium ion battery and battery pack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107946679A CN107946679A (en) | 2018-04-20 |
| CN107946679B true CN107946679B (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711215037.6A Active CN107946679B (en) | 2017-11-28 | 2017-11-28 | Lithium ion battery and battery pack |
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| Country | Link |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112762806A (en) * | 2020-12-23 | 2021-05-07 | 北京国电光宇机电设备有限公司 | Wisdom lithium cell of health degree self-test |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102324465A (en) * | 2011-08-31 | 2012-01-18 | 浙江谷神能源科技股份有限公司 | Explosion-proof flame-retardant lithium-ion battery safety box |
| CN102569930A (en) * | 2011-12-22 | 2012-07-11 | 南京双登科技发展研究院有限公司 | Pressure detecting device for batteries and detecting method thereof |
| CN205739941U (en) * | 2016-05-17 | 2016-11-30 | 康达电梯有限公司 | A kind of lift car light regulation and control prior-warning device |
| CN106222817A (en) * | 2016-10-11 | 2016-12-14 | 郑丽萍 | A kind of loom framework |
| CN206148506U (en) * | 2016-11-17 | 2017-05-03 | 刘峰岭 | Lithium cell install bin for electric bicycle |
| CN206480723U (en) * | 2017-03-03 | 2017-09-08 | 华霆（合肥）动力技术有限公司 | Visit leakage device and battery modules |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203707212U (en) * | 2014-01-21 | 2014-07-09 | 周昕悦 | Li-ion battery pack |
| CN205583093U (en) * | 2016-02-26 | 2016-09-14 | 冉柠恺 | Intelligent lithium battery pack |
| CN105742693A (en) * | 2016-04-05 | 2016-07-06 | 洛阳月星新能源科技有限公司 | High-safety lithium ion battery module |
| CN205961191U (en) * | 2016-06-07 | 2017-02-15 | 深圳市友恺通信技术有限公司 | Heat dissipation type mobile phone motherboard |
| CN206773328U (en) * | 2017-03-21 | 2017-12-19 | 深圳市德普特电子有限公司 | A kind of LCDs shell structure |
-
2017
- 2017-11-28 CN CN201711215037.6A patent/CN107946679B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102324465A (en) * | 2011-08-31 | 2012-01-18 | 浙江谷神能源科技股份有限公司 | Explosion-proof flame-retardant lithium-ion battery safety box |
| CN102569930A (en) * | 2011-12-22 | 2012-07-11 | 南京双登科技发展研究院有限公司 | Pressure detecting device for batteries and detecting method thereof |
| CN205739941U (en) * | 2016-05-17 | 2016-11-30 | 康达电梯有限公司 | A kind of lift car light regulation and control prior-warning device |
| CN106222817A (en) * | 2016-10-11 | 2016-12-14 | 郑丽萍 | A kind of loom framework |
| CN206148506U (en) * | 2016-11-17 | 2017-05-03 | 刘峰岭 | Lithium cell install bin for electric bicycle |
| CN206480723U (en) * | 2017-03-03 | 2017-09-08 | 华霆（合肥）动力技术有限公司 | Visit leakage device and battery modules |
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| Publication number | Publication date |
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| CN107946679A (en) | 2018-04-20 |
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