CN220206927U - Large cylindrical battery gas production pressure monitoring and component collecting device - Google Patents
Large cylindrical battery gas production pressure monitoring and component collecting device Download PDFInfo
- Publication number
- CN220206927U CN220206927U CN202321677553.1U CN202321677553U CN220206927U CN 220206927 U CN220206927 U CN 220206927U CN 202321677553 U CN202321677553 U CN 202321677553U CN 220206927 U CN220206927 U CN 220206927U
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- China
- Prior art keywords
- base
- monitoring
- gas production
- top surface
- large cylindrical
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 32
- 238000012544 monitoring process Methods 0.000 title claims abstract description 30
- 239000000523 sample Substances 0.000 claims abstract description 41
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 239000000741 silica gel Substances 0.000 claims description 7
- 229910002027 silica gel Inorganic materials 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 45
- 238000005070 sampling Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 4
- 238000004146 energy storage Methods 0.000 description 2
- 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
- BVDKLOSQZNHXSI-UHFFFAOYSA-N [Si].[Ni].[C] Chemical compound [Si].[Ni].[C] BVDKLOSQZNHXSI-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000001503 joint Anatomy 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
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000006467 substitution reaction 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
- Gas Exhaust Devices For Batteries (AREA)
Abstract
The utility model discloses a device for monitoring the gas production pressure of a large cylindrical battery and collecting components, which comprises a base, wherein a probe assembly is arranged on the top surface of the base, a fixing plate is arranged above the base, a position avoidance through hole is formed in the position of the fixing plate corresponding to the probe assembly, a cover plate is arranged above the fixing plate, a plurality of screws are arranged on the top surface of the base, one ends of the screws are detachably connected with the base, the other ends of the screws penetrate through the fixing plate and are detachably connected with the cover plate, a supporting spring is sleeved on the peripheral wall of the screws, an upper limit circular groove is formed in the bottom surface of the cover plate corresponding to the position avoidance through hole, a pressure sensor is arranged on the top surface of the cover plate and used for monitoring the gas pressure in the upper limit circular groove, a gas collection through hole is formed in the top surface of the cover plate, and a rubber plug is arranged in the gas collection through hole. The utility model provides a device for monitoring the gas production pressure of a large cylindrical battery and collecting components, which not only can monitor the gas production pressure of the battery, but also can sample and detect the gas production components of the battery in real time.
Description
Technical Field
The utility model relates to the technical field of lithium batteries, in particular to a device for monitoring the gas production pressure of a large cylindrical battery and collecting components.
Background
The lithium ion battery is used as a novel energy storage device and plays an important role in the aspects of power automobiles, household electrical appliances and energy storage. The power battery mainly comprises three packaging forms of square, soft package and cylinder, and compared with the other two types, the cylindrical battery has the characteristics of good consistency, high production efficiency and the like, and is considered to be a mainstream battery configuration with larger market occupation in the future.
18650/21700 are two types of commercialized cylindrical batteries, but there is a problem in that the overall energy density is not high because of small volume and low space utilization efficiency. In order to further increase the energy density of the battery, 46 series large cylindrical batteries have been successfully developed, 46 series batteries have greater active mass and space utilization efficiency. Nevertheless, there are still some problems in the development of 46-series batteries, in which there are problems such as serious gas generation due to the use of 46-series high nickel-silicon carbon/silicon oxygen system. In order to solve this problem, the analysis of the gas production pressure and the components is required, and therefore, development of a test device for monitoring 46-system gas production pressure and collecting the components efficiently and stably is needed.
Disclosure of Invention
The utility model aims to provide a device for monitoring the gas production pressure of a large cylindrical battery and collecting components, which not only can monitor the gas production pressure of the battery, but also can sample and detect the gas production components of the battery in real time.
The utility model discloses a device for monitoring the pressure of a large cylindrical battery and collecting components, which adopts the following technical scheme:
the utility model provides a big cylinder battery produces atmospheric pressure monitoring and composition collection system, includes the base, the top surface of base is equipped with probe subassembly, the top of base is equipped with the fixed plate, the fixed plate is on a parallel with the top surface setting of base, the position that the fixed plate corresponds probe subassembly has been seted up and has been kept away the position through-hole, the top of fixed plate is equipped with the apron, the apron is on a parallel with the fixed plate setting, the top surface of base is equipped with many screws, screw rod one end can dismantle with the base and be connected, the screw rod other end passes the fixed plate and can dismantle with the apron and be connected, the perisporium cover of screw rod is equipped with supporting spring, supporting spring one end and the top surface butt of base, the supporting spring other end and the bottom surface butt of fixed plate, the bottom surface of apron corresponds the position of keeping away the position through-hole has been seted up and has been kept away the spacing circular slot, the top surface of apron is equipped with pressure sensor, pressure sensor is used for monitoring the atmospheric pressure in the spacing circular slot, the position that the top surface of apron corresponds the spacing circular slot has been seted up gas production through-hole, be equipped with the rubber stopper in the gas production through-hole.
As an optimal scheme, a silica gel gasket is arranged in the upper limit circular groove, and the silica gel gasket is annular.
As a preferable scheme, the top surface of the fixed plate is provided with a lower limit circular groove at the position corresponding to the avoidance through hole.
As the preferable scheme, the number of the screws is four, and the four screws are distributed at four corners of the base in a rectangular shape.
As a preferable scheme, one end of the screw rod is detachably connected with the cover plate through a locking nut.
As the preferable scheme, the probe assembly comprises an anode probe and a plurality of cathode probes, wherein the anode probes are inserted in the middle of the top surface of the base, and the plurality of cathode probes are distributed around the anode probes.
As a preferable scheme, the bottom end of the positive electrode probe is connected with a positive electrode wire, and the bottom end of the negative electrode probe is connected with a negative electrode wire.
Preferably, the cover plate is made of aluminum.
The utility model discloses a device for monitoring the pressure of a large cylindrical battery and collecting components, which has the beneficial effects that: when the gas production device is used, the bottom of the battery is perforated firstly, then the battery is inverted, the head of the battery is supported on the fixing plate, the probe assembly penetrates through the avoidance through hole to be connected with the end of the battery, the cover plate covers the bottom of the battery, the upper limit round groove is matched with the bottom of the battery to form a closed space, then the cover plate is locked, the battery is fixed, gas enters the limit round groove after the gas production of the battery, and the pressure sensor is used for monitoring the gas pressure in the limit round groove. In addition, when the sampling detection is needed to be carried out on the gas components, the rubber plug in the gas production through hole is pulled out, and the component sampling detection can be carried out by collecting the gas discharged from the gas production through hole.
Drawings
Fig. 1 is a schematic structural diagram of a device for monitoring the pressure of the produced gas of a large cylindrical battery and collecting components.
Fig. 2 is a schematic structural view of a base of the device for monitoring the pressure of the gas produced by the large cylindrical battery and collecting components.
Fig. 3 is a schematic structural view of a fixing plate of the device for monitoring the pressure of the gas produced by the large cylindrical battery and collecting components.
Fig. 4 is a schematic structural view of a cover plate of the device for monitoring the pressure of the gas produced by the large cylindrical battery and collecting components.
Fig. 5 is a partial cross-sectional view of a large cylindrical battery gas production pressure monitoring and component collection device of the present utility model.
10. A base; 11. a positive electrode probe; 12. a negative electrode probe; 13. a positive electrode lead; 14. a negative electrode lead; 20. a fixing plate; 21. a clearance through hole; 22. a lower limit round groove; 30. a cover plate; 31. an upper limit round groove; 32. a gas collection through hole; 33. a rubber stopper; 34. a silica gel gasket; 40. a screw; 41. a support spring; 42. a lock nut; 50. a pressure sensor; 60. and a battery.
Detailed Description
The utility model is further illustrated and described below in conjunction with the specific embodiments and the accompanying drawings:
referring to fig. 1 to 5, a device for monitoring the gas production pressure and collecting components of a large cylindrical battery includes a base 10, a probe assembly is disposed on the top surface of the base 10, a fixing plate 20 is disposed above the base 10, the fixing plate 20 is parallel to the top surface of the base 10, a position-avoiding through hole 21 is disposed at a position of the fixing plate 20 corresponding to the probe assembly, a cover plate 30 is disposed above the fixing plate 20, the cover plate 30 is parallel to the fixing plate 20, a plurality of screws 40 are disposed on the top surface of the base 10, one ends of the screws 40 are detachably connected with the base 10, the other ends of the screws 40 penetrate through the fixing plate 20 and are detachably connected with the cover plate 30, a supporting spring 41 is sleeved on a peripheral wall of the screws 40, one end of the supporting spring 41 is in butt joint with the top surface of the base 10, the other ends of the supporting spring 41 is butt with the bottom surface of the fixing plate 20, an upper limit circular groove 31 is disposed at a position of the bottom surface of the cover plate 30 corresponding to the position-avoiding through hole 21, a pressure sensor 50 is disposed on the top surface of the cover plate 30, a gas sampling through hole 32 is disposed at a position of the top surface of the cover plate 30 corresponding to the upper limit circular groove 31, and a rubber plug 33 is disposed in the gas sampling hole 32.
As can be seen from the above description, when the gas generating device is used, the bottom of the battery 60 is perforated, then the battery 60 is turned upside down, the head of the battery 60 is supported on the fixing plate 20, the probe assembly passes through the avoidance through hole 21 and is extremely connected with the battery 60, the cover plate 30 covers the bottom of the battery 60, the upper limit circular groove 31 is matched with the bottom of the battery 60 to form a closed space, and then the cover plate 30 is locked, so that the battery 60 is fixed, gas enters the limit circular groove after the gas is generated by the battery 60, and the pressure sensor 50 monitors the gas pressure in the limit circular groove. When the gas component is required to be sampled and detected, the rubber stopper 33 in the gas collection through hole 32 is pulled out, and the gas discharged from the gas collection through hole 32 is collected to be able to be sampled and detected.
Referring to fig. 4 and 5, a silica gel gasket 34 is disposed in the upper limit groove 31, and the silica gel gasket 34 is annular.
As can be seen from the above description, the upper limit circular groove 31 and the bottom of the battery 60 form a closed space, i.e. an air cavity, after being mounted in a matched manner, the bottom of the battery 60 is tightly attached to the silica gel ring in the upper limit circular groove 31, thereby increasing air tightness and preventing air leakage.
Referring to fig. 3, a lower limit circular groove 22 is formed on the top surface of the fixing plate 20 corresponding to the position of the avoidance hole 21.
As can be seen from the above description, the lower limit groove 22 facilitates the fixed mounting of the top end of the battery 60, and the positive end of the battery 60 can be connected to the probe assembly below through the clearance through hole 21.
Referring to fig. 1, the number of screws 40 is four, and the four screws 40 are rectangular and distributed at four corners of the base 10. Specifically, one end of the screw 40 is detachably connected to the cover plate 30 by a lock nut 42.
As can be seen from the above description, the four rectangular screws 40 have a stable supporting structure, and the locking nut 42 is convenient to assemble and disassemble, so as to rapidly clamp the battery 60. The other end of the screw 40 is fixedly connected to the base 10 by a lock nut 42.
Referring to fig. 2, the probe assembly includes an anode probe 11 and a plurality of cathode probes 12, the anode probe 11 is inserted in the middle of the top surface of the base 10, and the plurality of cathode probes 12 are distributed around the periphery of the anode probe 11. Specifically, the bottom end of the positive electrode probe 11 is connected with a positive electrode wire 13, and the bottom end of the negative electrode probe 12 is connected with a negative electrode wire 14.
As can be seen from the above description, the battery 60 is connected to the battery 60 through the probe assembly, so as to realize charge and discharge monitoring of the gas pressure under high current density.
Referring to fig. 1, the cover plate 30 is made of aluminum.
As is apparent from the above description, in the present embodiment, the cover plate 30 is an aluminum plate, the fixing plate 20 is a skid, and the base 10 is a polytetrafluoroethylene material.
The utility model provides a device for monitoring the gas production pressure of a large cylindrical battery and collecting components, when the device is used for producing gas, the bottom of the battery is firstly perforated, then the battery is inverted, the head of the battery is supported on a fixed plate, a probe assembly penetrates through a clearance through hole to be connected with the extreme end of the battery, a cover plate covers the bottom of the battery, an upper limit round groove is matched with the bottom of the battery to form a closed space, then the cover plate is locked, so that the battery is fixed, gas after the gas production of the battery enters the limit round groove, and the gas pressure in the limit round groove is monitored through a pressure sensor. In addition, when the sampling detection is needed to be carried out on the gas components, the rubber plug in the gas production through hole is pulled out, and the component sampling detection can be carried out by collecting the gas discharged from the gas production through hole.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.
Claims (8)
1. The utility model provides a big cylinder battery produces atmospheric pressure monitoring and composition collection system, its characterized in that, the on-line screen storage device comprises a base, the top surface of base is equipped with probe subassembly, the top of base is equipped with the fixed plate, the fixed plate is on a parallel with the top surface setting of base, the position that the fixed plate corresponds probe subassembly has been seted up and has been kept away the position through-hole, the top of fixed plate is equipped with the apron, the apron is on a parallel with the fixed plate setting, the top surface of base is equipped with many screws, screw rod one end is connected with the base can be dismantled, the screw rod other end passes the fixed plate and is dismantled with the apron and be connected, the perisporium cover of screw rod is equipped with supporting spring, supporting spring one end and the top surface butt of base, the supporting spring other end and the bottom surface butt of fixed plate, the bottom surface of apron corresponds the position of keeping away the position through-hole has been seted up and has been kept away the spacing circular slot, the top surface of apron is equipped with pressure sensor, pressure sensor is used for monitoring the atmospheric pressure in the spacing circular slot, the position of upper limit circular slot has been seted up gas through-hole, be equipped with the rubber stopper in the gas through-hole.
2. The device for monitoring and collecting the gas production pressure and components of the large cylindrical battery as claimed in claim 1, wherein a silica gel gasket is arranged in the upper limit circular groove, and the silica gel gasket is annular.
3. The device for monitoring and collecting the gas production pressure and components of a large cylindrical battery according to claim 1, wherein the top surface of the fixing plate is provided with a lower limit circular groove at a position corresponding to the avoidance through hole.
4. The device for monitoring and collecting the gas production pressure and components of a large cylindrical battery according to claim 1, wherein the number of the screws is four, and the four screws are distributed at four corners of the base in a rectangular shape.
5. The device for monitoring and collecting the gas production pressure and components of a large cylindrical battery according to claim 1, wherein one end of the screw is detachably connected with the cover plate through a locking nut.
6. The device for monitoring and collecting the gas production pressure of the large cylindrical battery according to claim 1, wherein the probe assembly comprises an anode probe and a plurality of cathode probes, the anode probe is inserted in the middle of the top surface of the base, and the plurality of cathode probes are distributed around the periphery of the anode probe.
7. The device for monitoring and collecting components of the gas production pressure of a large cylindrical battery according to claim 6, wherein the bottom end of the positive electrode probe is connected with a positive electrode wire, and the bottom end of the negative electrode probe is connected with a negative electrode wire.
8. The device for monitoring and collecting the gas production pressure and components of a large cylindrical battery according to claim 1, wherein the cover plate is made of aluminum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321677553.1U CN220206927U (en) | 2023-06-29 | 2023-06-29 | Large cylindrical battery gas production pressure monitoring and component collecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321677553.1U CN220206927U (en) | 2023-06-29 | 2023-06-29 | Large cylindrical battery gas production pressure monitoring and component collecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220206927U true CN220206927U (en) | 2023-12-19 |
Family
ID=89140484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321677553.1U Active CN220206927U (en) | 2023-06-29 | 2023-06-29 | Large cylindrical battery gas production pressure monitoring and component collecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220206927U (en) |
-
2023
- 2023-06-29 CN CN202321677553.1U patent/CN220206927U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |