CN208872724U - A kind of device of on-line real-time measuremen finished product lithium ion battery with hard shell gas componant - Google Patents
A kind of device of on-line real-time measuremen finished product lithium ion battery with hard shell gas componant Download PDFInfo
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- CN208872724U CN208872724U CN201821328875.4U CN201821328875U CN208872724U CN 208872724 U CN208872724 U CN 208872724U CN 201821328875 U CN201821328875 U CN 201821328875U CN 208872724 U CN208872724 U CN 208872724U
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Abstract
The utility model discloses a kind of devices of on-line real-time measuremen finished product lithium ion battery with hard shell gas componant, comprising: gas detection equipment, gas-guide tube, control valve, connector, cover board, shell and battery core；Explosion-proof valve is equipped at the top of battery core, battery core is mounted in shell, cover board is fixed on case top, cover board is equipped with the first through hole matched with explosion-proof valve, first through hole is set on explosion-proof valve, connector is equipped with the second through-hole, and connector first end is fixedly connected with cover board, and second end is fixedly connected with control valve；Gas-guide tube one end connects control valve, and the other end connects gas detection equipment；The gas passage being connected to is collectively formed with control valve, first through hole, the second through-hole, explosion-proof valve in gas-guide tube.The utility model is not in the case where destroying cell internal environment, content and type that battery inside battery under the different working conditions such as chemical conversion produces gas can be measured in real time, rapidly online, have great importance to truth of the deduction inside battery in entire reaction process.
Description
Technical field
The utility model relates to technical field of lithium ion more particularly to a kind of on-line real-time measuremen finished product hard shell lithium from
The device of sub- cell gas ingredient.
Background technique
It since lithium ion battery has the important advantage of high voltage, high capacity, and has extended cycle life, have a safety feature, make
It has broad application prospects in various aspects such as portable electronic device, electric car, space technology, national defense industry, becomes
The research hotspot widely paid close attention in recent years.
Lithium ion battery from initial chemical conversion, aging to later period use process in, it is always secondary anti-along with redox
It answers, to inevitably result from certain gas, the internal pressure of battery is caused to increase, lead to shell oxygen blast cyanidation, increase
Impedance between big pole piece.This side reaction can not only reduce capacity, the service life of battery, but also can bring security risk.Currently, will
Battery in chemical conversion, aging, recycle, shelve, overcharge etc. after test is completed under different working conditions, its breakaway is put into gas inspection
The content and type for surveying detection gas in environmental chamber, not only destroy battery, but also can not detect the gas in entire test process
Variation containing amount and type can not infer real change situation of the inside battery in entire reaction process.
Utility model content
To solve technical problem present in background technique, the utility model proposes a kind of on-line real-time measuremen finished product hard shells
The device of lithium ion battery gas componant.
The utility model proposes a kind of on-line real-time measuremen finished product lithium ion battery with hard shell gas componant device, packet
It includes: gas detection equipment, gas-guide tube, control valve, connector, cover board, shell and battery core；Explosion-proof valve, battery core are equipped at the top of battery core
It is mounted in shell, cover board is fixed on case top, and cover board is equipped with the first through hole matched with explosion-proof valve, and first through hole is arranged
On explosion-proof valve, connector is equipped with the second through-hole, and connector first end is fixedly connected with cover board, and second end is fixed with control valve
Connection；Gas-guide tube one end connects control valve, and the other end connects gas detection equipment；Gas-guide tube and control valve, first through hole, second
The gas passage of a connection is collectively formed in through-hole, explosion-proof valve.
Preferably, connector first end and cover board laser welding.
Preferably, the second through-hole is equipped with internal screw thread close to the inside of connector second end, and control valve is equipped with and internal screw thread phase
The external screw thread of cooperation, connector are threadedly coupled with control valve.
In the utility model, the device of the on-line real-time measuremen finished product lithium ion battery with hard shell gas componant proposed,
Do not destroy under cell internal environment, can detect in real time, quickly and easily online battery chemical conversion, aging, recycle, shelve,
The content and type that inside battery under different working conditions produces gas such as overcharge；And deduction inside battery was reacted entirely
Truth in journey has very important directive significance.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of on-line real-time measuremen finished product lithium ion battery with hard shell gas componant device
Structural schematic diagram.
Fig. 2 is the structural schematic diagram of the utility model connector.
Specific embodiment
As shown in Figs. 1-2, Fig. 1 be the utility model proposes a kind of on-line real-time measuremen finished product lithium ion battery with hard shell gas
The structural schematic diagram of the device of body ingredient.Fig. 2 is the structural schematic diagram of the utility model connector.
Referring to Fig.1-2, the utility model proposes a kind of on-line real-time measuremen finished product lithium ion battery with hard shell gas componant
Device, comprising: gas detection equipment 1, gas-guide tube 2, control valve 3, connector 4, cover board 5, shell 6 and battery core 7；Battery core 7 is pushed up
Portion is equipped with explosion-proof valve, and battery core 7 is mounted in shell 6, and cover board 5 is fixed on 6 top of shell, and cover board 5 is equipped with and matches with explosion-proof valve
First through hole, first through hole is set on explosion-proof valve, and connector 4 is equipped with the second through-hole, and 4 first end of connector and cover board 5
It is fixedly connected, second end is fixedly connected with control valve 3；2 one end of gas-guide tube connects control valve 3, and other end connection gas detection is set
Standby 1；The gas passage being connected to is collectively formed with control valve 3, first through hole, the second through-hole, explosion-proof valve in gas-guide tube 2.
The device of the on-line real-time measuremen finished product lithium ion battery with hard shell gas componant of the present embodiment is in specific work process
In, battery core 7 is mounted in shell 6, and cover board 5 is fixed on 6 top of shell, and first through hole is set on explosion-proof valve, connector 4 first
End is fixedly connected with cover board 5, and second end is fixedly connected with control valve 3；2 one end of gas-guide tube connects control valve 3, and the other end connects gas
Physical examination measurement equipment 1；Gas-guide tube 2 is collectively formed the gas that one is connected to control valve 3, first through hole, the second through-hole, explosion-proof valve and leads to
Battery core 7 to be tested is mounted on chemical conversion, aging, recycles, shelves, overcharges etc. on the test platform of varying environments operating condition by road, conducting
Explosion-proof valve and control valve 3 start gas detection equipment 1, start the test equipment of dependence test, until being completed, close and survey
Equipment and gas detection equipment 1 are tried, battery and gas detection equipment 1 are dismantled, prepares next battery core 7 and tests, according to gas
The information that detection device 1 is collected, analyzes result.
In the present embodiment, the device of the on-line real-time measuremen finished product lithium ion battery with hard shell gas componant proposed,
Do not destroy under cell internal environment, can detect in real time, quickly and easily online battery chemical conversion, aging, recycle, shelve,
The content and type that inside battery under different working conditions produces gas such as overcharge；And deduction inside battery was reacted entirely
Truth in journey has very important directive significance.
It in a specific embodiment, is guarantee air-tightness, 4 first end of connector and 5 laser welding of cover board.
Further, to be further ensured that air-tightness and easy to disassemble, the second through-hole is close to the inside of 4 second end of connector
Equipped with internal screw thread, control valve 3 is equipped with the external screw thread matched with internal screw thread, and connector 4 is threadedly coupled with control valve 3.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (3)
1. a kind of device of on-line real-time measuremen finished product lithium ion battery with hard shell gas componant characterized by comprising gas inspection
Measurement equipment (1), gas-guide tube (2), control valve (3), connector (4), cover board (5), shell (6) and battery core (7)；At the top of battery core (7)
Equipped with explosion-proof valve, battery core (7) is mounted in shell (6), and cover board (5) is fixed at the top of shell (6), cover board (5) be equipped with it is explosion-proof
The first through hole that valve matches, first through hole are set on explosion-proof valve, and connector (4) is equipped with the second through-hole, and connector (4) the
One end is fixedly connected with cover board (5), and second end is fixedly connected with control valve (3)；Gas-guide tube (2) one end connects control valve (3), separately
One end connects gas detection equipment (1)；Gas-guide tube (2) is collectively formed with control valve (3), first through hole, the second through-hole, explosion-proof valve
The gas passage of one connection.
2. the device of on-line real-time measuremen finished product lithium ion battery with hard shell gas componant according to claim 1, feature
It is, connector (4) first end and cover board (5) laser welding.
3. the device of on-line real-time measuremen finished product lithium ion battery with hard shell gas componant according to claim 1, feature
It is, the second through-hole is equipped with internal screw thread close to the inside of connector (4) second end, and control valve (3) is equipped with and matches with internal screw thread
External screw thread, connector (4) is threadedly coupled with control valve (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821328875.4U CN208872724U (en) | 2018-08-17 | 2018-08-17 | A kind of device of on-line real-time measuremen finished product lithium ion battery with hard shell gas componant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821328875.4U CN208872724U (en) | 2018-08-17 | 2018-08-17 | A kind of device of on-line real-time measuremen finished product lithium ion battery with hard shell gas componant |
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| Publication Number | Publication Date |
|---|---|
| CN208872724U true CN208872724U (en) | 2019-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821328875.4U Active CN208872724U (en) | 2018-08-17 | 2018-08-17 | A kind of device of on-line real-time measuremen finished product lithium ion battery with hard shell gas componant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113532842A (en) * | 2021-06-28 | 2021-10-22 | 合肥国轩高科动力能源有限公司 | Method for testing pressure-resistant service life of explosion-proof valve for lithium battery |
-
2018
- 2018-08-17 CN CN201821328875.4U patent/CN208872724U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113532842A (en) * | 2021-06-28 | 2021-10-22 | 合肥国轩高科动力能源有限公司 | Method for testing pressure-resistant service life of explosion-proof valve for lithium battery |
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