CN201975446U - Safety valve of lithium battery and lithium battery adopting safety valve - Google Patents
Safety valve of lithium battery and lithium battery adopting safety valve Download PDFInfo
- Publication number
- CN201975446U CN201975446U CN2011200325433U CN201120032543U CN201975446U CN 201975446 U CN201975446 U CN 201975446U CN 2011200325433 U CN2011200325433 U CN 2011200325433U CN 201120032543 U CN201120032543 U CN 201120032543U CN 201975446 U CN201975446 U CN 201975446U
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- Prior art keywords
- valve
- valve body
- sealing plate
- spool
- spring
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- Expired - Fee Related
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 39
- 238000007789 sealing Methods 0.000 claims abstract description 129
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 229910001220 stainless steel Inorganic materials 0.000 description 8
- 239000010935 stainless steel Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 230000002950 deficient Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000035699 permeability Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
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Classifications
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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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- Gas Exhaust Devices For Batteries (AREA)
Abstract
The utility model discloses a safety valve of a lithium battery and the lithium battery adopting the safety valve. The safety valve comprises a valve body which is matched with an installing hole for arranging the safety valve on a battery shell; the valve body is provided with an air discharge hole communicated with the inner cavity of the valve body, and is internally provided with a sealing plate for sealing an air outlet on the battery shell; a valve core which axially extends along the valve body and is matched with the valve body in a sliding way is assembled on the valve body; one end of the valve core, which is far away from the air outlet of the battery shell, is an upper end, and the upper end of the valve core is provided with a thrust flange matched with a valve seat of the valve body in a thrust way; the sealing plate can be fixedly connected at the lower end of the valve core in a detachable manner; a spring which axially extends along the valve core and is propped against and arranged between the sealing plate and the valve body is sheathed at the outer side of the valve core; and one end of the spring props against the upper end surface of the sealing plate, and the other end of the spring props against the inner cavity wall of the valve body, which is correspondingly matched the upper end surface of the sealing plate.
Description
Technical field
The utility model belongs to technical field of lithium batteries, relates to a kind of lithium-ion-power cell, particularly a kind of lithium-ion-power cell safety valve.
Background technology
Usually lithium-ion-power cell short circuit in use occurs, overcharges, during situation such as anti-excessively, can cause electric current out of control, thereby battery temperature is raise, and when temperature was elevated to certain altitude, the material of inside battery such as electrolyte etc. can decompose, and produced gas; Along with the pressure rising of gas, battery case is known from experience appearance and is expanded, is out of shape, and in the time of seriously, also can make the battery container explosion.Therefore, no matter be to adopt the lithium ion battery of which kind of material as shell, its oral area all needs to install safety valve.And pine excessively or tension that safety valve is installed all can exert an influence to the performance of lithium battery.
A kind of large-capacity power lithium battery that can charge repeatedly of architecture advances in being 03126537.5 Chinese invention patent ublic specification of application, application number is disclosed, disclosed safety valve is that the screw thread one that safety valve is installed on battery case lid leads to the end in its file, this kind structure has very high specification requirement during for the fastening safety valve of operating personnel, if safety valve safety tension, spring can be crushed to death, produce great elastic force, valve block is sealed by extrusion at the place, gas outlet of housing, the gas that the need of inside battery leak can't be discharged, influence the life-span of lithium battery thereby producing expands, and work as safety valve loose words were installed, extraneous gas can enter inside battery, performance to battery exerts an influence, and when the elastic force of battery is too small, the inside battery gas pressure is high slightly will to back down valve block, so also influences the normal useful life of safety valve.
Granted publication number for the Chinese utility model patent specification of CN201498544U a kind of lithium cell safety valve disclosed, it comprise with battery container on be used to install the gas permeability cover plate that the installing hole of safety valve is threaded, below the gas permeability cover plate, be provided with the sealing plate of the gas outlet that is used for the sealed cell housing, roof pressure is provided with spring between cover plate and sealing plate, circumferentially be provided with around it in the outside of spring and be used to the locating ring that prevents that spring is locked, the top of locating ring contacts with the lower surface of gas permeability cover plate, and its underpart is arranged on the step place of the installing hole that is used to install safety valve on the battery container.During work, the gas that inside battery produces upwards pushes and pushes open sealing plate, and gas is discharged from the air-vent on the gas permeability cover plate then.But disclosed safety valve is a split-type structural in the above-mentioned utility model, and required parts are more, and efficiency of assembling is low, complex operation.And because when flexible, there is no guide frame, only rely on the performance of self to adjust, thereby cause volute spring when flexible, to occur being offset causing the safety valve cooperation easily like this, locate inaccurate problem at volute spring.Because battery container mostly is moulding, defectives such as out-of-flatness, depression may appear in the fitting surface that is used for being sealed and matched with sealing plate at the place, gas outlet of battery container, thereby influence the sealing of split type safety valve in addition.
The utility model content
The purpose of this utility model provides a kind of lithium cell safety valve, complex operation, technical problem that efficiency of assembling is low when solving that split type safety valve uses in the prior art; The utility model also provides a kind of lithium battery that uses above-mentioned safety valve simultaneously.
A kind of lithium cell safety valve that is provided in the utility model adopts following technical scheme: a kind of lithium cell safety valve, comprise be used for battery container on the valve body that the installing hole of safety valve matches is installed, on valve body, be provided with the steam vent that is communicated with body cavity, the lower end of valve body is an openend, the upper end of valve body is a valve seat, on the valve seat there be along the axially extended spool of valve body slidable fit, the upper end of spool is provided with the thrust flanges that cooperates with the upper surface thrust of valve seat, the lower end of spool is provided with the sealing plate of the gas outlet on the sealed cell housing, be set with axially extended roof pressure in the outside of spool and be arranged on spring between sealing plate and the valve body along spool, one end roof pressure of spring is in the sealing plate upper surface, and the other end roof pressure of spring is on the internal chamber wall of valve body and the corresponding cooperation in sealing plate upper surface.
Described sealing plate is provided with and is used for the sealing ring that cooperates with gas outlet line contact sealing on the battery container.
Described sealing plate outer peripheral face be provided with the draw-in groove that is used to install sealing ring.
Described spring is a helical spring.
Valve seat on the described valve body is and the corresponding cooperation of thrust flanges and the counterbore coaxial setting of spool.
The lithium battery of a kind of valve safe in utilization that is provided in the utility model adopts following technical scheme: a kind of lithium battery of valve safe in utilization, comprise battery container, battery container is provided with the safety valve installing hole that is communicated with gas outlet on the battery container, safety valve is housed in installing hole, comprise be used for battery container on the valve body that the installing hole of safety valve matches is installed, on valve body, be provided with the steam vent that is communicated with body cavity, the lower end of valve body is an openend, the upper end of valve body is a valve seat, on the valve seat there be along the axially extended spool of valve body slidable fit, the lower end of spool is provided with the sealing plate of the gas outlet on the sealed cell housing, be set with axially extended roof pressure in the outside of spool and be arranged on spring between sealing plate and the valve body along spool, one end roof pressure of spring is in the sealing plate upper surface, and the other end roof pressure of spring is on the internal chamber wall of valve body and the corresponding cooperation in sealing plate upper surface.
Described sealing plate is provided with and is used for the sealing ring that cooperates with gas outlet line contact sealing on the battery container.
Described sealing plate outer peripheral face be provided with the draw-in groove that is used to install sealing ring.
The upper end of described spool is provided with the thrust flanges that cooperates with valve seat thrust on the valve body, and the valve seat on the valve body is and the corresponding cooperation of thrust flanges and the counterbore coaxial setting of spool.
Described spring is a helical spring.
The safety valve of said structure is installed on the battery container of lithium battery in the utility model, spool in the safety valve is integrated, when the safety valve pre-assembled, at spool outside pocketed springs, the upper surface thrust of the valve seat on the thrust flanges of the elastic force effect bottom spool of spring and valve body cooperates, lower end at spool is provided with sealing plate, like this with the safety valve of former split-type structural, the spool of safety valve provided by the utility model is structure as a whole, its integral installation is efficient and convenient, thereby improves the efficiency of assembling of safety valve.When being installed in safety valve on the lithium battery, under spring action, sealing plate sealing gas outlet, when gas pressure is excessive, gas to sealing plate the active force elastic force that overcomes spring back down sealing plate, gas is discharged along the steam vent of body cavity, valve body, guarantees the trouble free service of lithium battery.Spool is as the guide frame of spring in the safety valve, and spring its stability when flexible increases greatly, thereby makes that the safety valve in the utility model is less to the sensitiveness of vibration, and stability is higher.The utility model is simple in structure, assembling is efficient and convenient, the installation site of safety valve is also unrestricted, improve the production efficiency of lithium battery effectively, and solved split type safety valve and cooperate, locate inaccurate problem, effectively improved the reliability of safety valve.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of lithium cell safety valve in the utility model;
Fig. 2 is the structural representation of the utility model lithium battery;
Fig. 3 is the partial structurtes schematic diagram that lithium battery is installed safety valve among Fig. 2.
Embodiment
As shown in Figure 1, a kind of lithium cell safety valve, comprise be used for battery container on the valve body 1 that the installing hole of safety valve matches is installed, this valve body 1 is provided with cavity for inside, outer peripheral face is provided with the housing of thread segment, on valve body 1, offer steam vent 6 with its intracavity inter-connection, the lower end of valve body 1 is an openend, be provided with valve seat in the valve body upper end, valve seat is the counterbore 8 that is provided with on the valve body in the present embodiment, counterbore 8 and spool 3 coaxial settings, in valve seat, endwisely slip and be equipped with spool 3 along valve body 1, the upper end of spool 3 is provided with and is used for the thrust flanges 7 that cooperates with the upper surface thrust of the valve seat of valve body, the thrust flanges 7 of spool 3 is sitting in the counterbore 8 on the valve body, lower end at spool 6 is fixed with the sealing plate 4 that is used to seal the gas outlet by the screw thread one, be set with axially extended roof pressure in the outside of spool 3 and be arranged on spring 2 between valve body 1 and the sealing plate 3 along spool, the lower end roof pressure of spring 2 is on the upper surface of sealing plate 4, the upper end roof pressure of spring 2 is on the corresponding internal chamber wall in the upper surface with sealing plate 4 of valve body 1, after the whole assembling of whole safety valve is finished, under the elastic force effect of spring, the thrust surface roof pressure of thrust flanges 7 upper and lower sides of spool 3 assembles the whole of safety valve fast thereby finish on the cascaded surface of counterbore 8.
The safety valve of the foregoing description in use, sealing plate 4 on the projection of roof pressure at battery container under the elastic force effect of spring, the sealing gas outlet.But because battery container mostly is moulding, defectives such as out-of-flatness, depression may appear in the fitting surface that is used for being sealed and matched with sealing plate at the place, gas outlet of battery container, thereby influence the sealing of split type safety valve.For fear of the sealing that influences safety valve because of the defect problem of fitting surface, with sealing plate be dimensioned to the size that is slightly less than the gas outlet, and sealing plate outer peripheral face circumferentially offer draw-in groove 9 around it, in draw-in groove 9, be installed with sealing ring 5, sealing ring 5 can adopt resistant material, when sealing plate 4 when roof pressure is on projection under the spring force effect, the part of the bottom of sealing ring 5 squeezes in the gas outlet under pressure, the major part of sealing ring 5 is also stayed outside the gas outlet, this moment, sealing ring and gas outlet were line contact sealing, compare with the sealing plate of available technology adopting and the face contact seal on the projection, its better tightness, and sealing ring is whole stressed more even.
During concrete enforcement, sealing ring can be fixedly installed on sealing plate on the lower surface, the part of sealing ring is stayed in the mounting groove that is provided with on the sealing plate, a part is exposed sealing plate, sealing ring expose sealing plate the internal diameter of the part size, the external diameter that are less than the gas outlet be greater than the size of the gas outlet on the projection, thereby match with the gas outlet on the projection, realize line contact sealing, cause the possibility of leakage accident when reducing the battery assembling shell because of the housing defective.During concrete enforcement, in order to prevent coming off of sealing ring, can on sealing plate, be provided for the fixture of fixing seal ring, such as adopt pin or other structures of oblique insertion, note herein when the structure of designs fix device, can the fixing seal ring can not to influence again the line contact sealing of sealing ring and gas outlet.
Spool 3 in the foregoing description can adopt the stainless steel mandrel in the specific implementation, this stainless steel mandrel play the guiding role when spring 2 stretches as spool, and by regulate stainless steel mandrel and sealing plate be threaded, adjust the pretightning force of spring, thus the opening pressure of control safety valve.
During concrete enforcement, spring 2 can adopt volute spring or cylindrically coiled spring, but because the stainless steel mandrel is arranged as lead, can preferably use cylindrically coiled spring, the production cost of cylindrically coiled spring is low, and batch otherness of cylindrically coiled spring and stability are better with respect to volute spring, select cylindrically coiled spring to make that disclosed safety valve performance is more stable in the present embodiment.
As Fig. 2, Fig. 3, shown in Figure 1, a kind of lithium battery of valve safe in utilization, comprise battery container 10, on battery container 10, offer the installing hole 11 that is used to install safety valve 20, the gas outlet 12 that being used on this installing hole 11 and the battery container 10 discharged internal gas is communicated with, installing hole 11 is provided with the internal thread segment that is used to connect, 12 positions are arranged on a circle outward extending protruding 13 in the gas outlet, in installing hole 11, be installed with structure safety valve 20 as shown in Figure 1 by screw thread, safety valve 20 comprises valve body 1, this valve body 1 is provided with cavity for inside, outer peripheral face is provided with the housing of thread segment, on valve body 1, offer steam vent 6 with its intracavity inter-connection, the lower end of valve body 1 is an openend, be provided with valve seat in the valve body upper end, valve seat is the counterbore 8 that is provided with on the valve body in the present embodiment, counterbore 8 and spool 3 coaxial settings, in valve seat, endwisely slip and be equipped with spool 3 along valve body 1, the upper end of spool 3 is provided with and is used for the thrust flanges 7 that cooperates with the upper surface thrust of the valve seat of valve body, the thrust flanges 7 of spool 3 is sitting in the counterbore 8 on the valve body, lower end at spool 6 is fixed with the sealing plate 4 that is used to seal the gas outlet by the screw thread one, be set with along spool the spring 2 between axially extended roof pressure is arranged on valve body and sealing plate in the outside of spool 3, the lower end roof pressure of spring 2 is on the upper surface of sealing plate 4, the upper end roof pressure of spring 2 valve body 1 with sealing plate on the corresponding internal chamber wall in upper surface, sealing plate 2 seals gas outlet 12 on the projection 13 of roof pressure at battery container 10 under the elastic force effect of spring.
But because battery container mostly is moulding, defectives such as out-of-flatness, depression may appear in the fitting surface that is used for being sealed and matched with sealing plate at the place, gas outlet of battery container, thereby influence the sealing of split type safety valve.For fear of the sealing that influences safety valve because of the defect problem of fitting surface, with sealing plate be dimensioned to the size that is slightly less than the gas outlet, and circumferentially offer draw-in groove 9 around it at the outer peripheral face of sealing plate 4, in draw-in groove 9, be installed with sealing ring 5, sealing ring 5 can adopt resistant material, when sealing plate 4 roof pressure under the spring force effect the projection 13 on the time, the part of the bottom of sealing ring 5 squeezes in the gas outlet 12 under pressure, the major part of sealing ring is also stayed outside the gas outlet, this moment, sealing ring 5 was a line contact sealing with gas outlet 12, compare with the sealing plate of available technology adopting and the face contact seal on the projection, its better tightness, and sealing ring is whole stressed more even.
During concrete enforcement, sealing ring can be fixedly installed on sealing plate on the lower surface, the part of sealing ring is stayed in the mounting groove that is provided with on the sealing plate, a part is exposed sealing plate, sealing ring expose sealing plate the internal diameter of the part size, the external diameter that are less than the gas outlet be greater than the size of the gas outlet on the projection, thereby match with the gas outlet on the projection, realize line contact sealing.During concrete enforcement, in order to prevent coming off of sealing ring, can on sealing plate, be provided for the fixture of fixing seal ring, such as adopt pin or other structures of oblique insertion, note herein when the structure of designs fix device, can the fixing seal ring can not to influence again the line contact sealing of sealing ring and gas outlet.
Spool 3 in the foregoing description can adopt the stainless steel mandrel in the specific implementation, this stainless steel mandrel play the guiding role when spring 2 stretches as spool, and by regulate stainless steel mandrel and sealing plate be threaded, adjust the pretightning force of spring, thus the opening pressure of control safety valve.
Spring for sealing plate elastic force also can regulate by adjusting the axial location of valve body in installing hole.Screw valve body downwards, it is big that spring force becomes, and upwards screws valve body, and spring force diminishes.
During concrete enforcement, spring 2 can adopt volute spring or cylindrically coiled spring, but because the stainless steel mandrel is arranged as lead, can preferably use cylindrically coiled spring, and the production cost of cylindrically coiled spring is low, and batch otherness of cylindrically coiled spring and stability are better with respect to volute spring, select cylindrically coiled spring to make that disclosed safety valve performance is more stable in the present embodiment.
And play the function of anti-locking in the utility model in the lower edge of the housing of valve body 1, when screwing valve body downwards, at first sealing plate fixes on the projection, and the lower edge of the housing of valve body 1 withstands on the end face of installing hole and prevents the locked gas outlet of spring then.Logical documents is compared, and safety valve has saved locating ring in the utility model, assembles more convenient.
The utility model in use, with the safety valve spinning in the installing hole 11 of battery container 10, this moment spool 3 lower ends sealing plate 4 at roof pressure under the elastic force effect of spring 2 on projection 13, gas outlet 12 line contact sealings on the sealing ring 5 on the sealing plate 4 and protruding 13, battery container 10 inside are not connected the lithium battery operate as normal with outside atmosphere.When battery container 10 gas inside pressure raise, when gas pressure overcomes the elastic force of spring 2 to the thrust of sealing plate 4, gas is pushed sealing plate open, sealing ring 5 is separated with gas outlet 12, gas enters in the inner chamber of valve body 1, steam vent on valve body 16 is discharged then, guarantees the fail safe of lithium battery.When battery container 10 gas inside pressure are reduced to when being not enough to overcome spring force, spring 2 will promote sealing plate 4 and move down, until sealing ring 5 line contact sealing gas outlet 12 again, thereby to avoid outside atmosphere to enter the inner lithium battery performance that influences of battery container along the gas outlet.
Claims (10)
1. lithium cell safety valve, it is characterized in that: comprise be used for battery container on the valve body that the installing hole of safety valve matches is installed, on valve body, be provided with the steam vent that is communicated with body cavity, the lower end of valve body is an openend, the upper end of valve body is a valve seat, on the valve seat there be along the axially extended spool of valve body slidable fit, the upper end of spool is provided with the thrust flanges that cooperates with the upper surface thrust of valve seat, the lower end of spool is provided with the sealing plate of the gas outlet on the sealed cell housing, be set with axially extended roof pressure in the outside of spool and be arranged on spring between sealing plate and the valve body along spool, one end roof pressure of spring is in the sealing plate upper surface, and the other end roof pressure of spring is on the internal chamber wall of valve body and the corresponding cooperation in sealing plate upper surface.
2. lithium cell safety valve according to claim 1 is characterized in that: described sealing plate is provided with and is used for the sealing ring that cooperates with gas outlet line contact sealing on the battery container.
3. lithium cell safety valve according to claim 2 is characterized in that: described sealing plate outer peripheral face be provided with the draw-in groove that is used to install sealing ring.
4. according to claim 1 or 2 or 3 described lithium cell safety valves, it is characterized in that: described spring is a helical spring.
5. according to claim 1 or 2 or 3 described lithium cell safety valves, it is characterized in that: the valve seat on the described valve body for the corresponding cooperation of thrust flanges and the counterbore coaxial setting of spool.
6. the lithium battery of a valve safe in utilization, comprise battery container, battery container is provided with the safety valve installing hole that is communicated with gas outlet on the battery container, safety valve is housed in installing hole, it is characterized in that: comprise be used for battery container on the valve body that the installing hole of safety valve matches is installed, on valve body, be provided with the steam vent that is communicated with body cavity, the lower end of valve body is an openend, the upper end of valve body is a valve seat, on the valve seat there be along the axially extended spool of valve body slidable fit, the lower end of spool is provided with the sealing plate of the gas outlet on the sealed cell housing, be set with axially extended roof pressure in the outside of spool and be arranged on spring between sealing plate and the valve body along spool, one end roof pressure of spring is in the sealing plate upper surface, and the other end roof pressure of spring is on the internal chamber wall of valve body and the corresponding cooperation in sealing plate upper surface.
7. the lithium battery of valve safe in utilization according to claim 6 is characterized in that: described sealing plate is provided with and is used for the sealing ring that cooperates with gas outlet line contact sealing on the battery container.
8. the lithium battery of valve safe in utilization according to claim 7 is characterized in that: described sealing plate outer peripheral face be provided with the draw-in groove that is used to install sealing ring.
9. according to the lithium battery of claim 6 or 7 or 8 described valves safe in utilization, it is characterized in that: the upper end of described spool is provided with the thrust flanges that cooperates with valve seat thrust on the valve body, and the valve seat on the valve body is and the corresponding cooperation of thrust flanges and the counterbore coaxial setting of spool.
10. want the lithium battery of 6 or 7 or 8 described valves safe in utilization according to right, it is characterized in that: described spring is a helical spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200325433U CN201975446U (en) | 2011-01-30 | 2011-01-30 | Safety valve of lithium battery and lithium battery adopting safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200325433U CN201975446U (en) | 2011-01-30 | 2011-01-30 | Safety valve of lithium battery and lithium battery adopting safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201975446U true CN201975446U (en) | 2011-09-14 |
Family
ID=44580544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200325433U Expired - Fee Related CN201975446U (en) | 2011-01-30 | 2011-01-30 | Safety valve of lithium battery and lithium battery adopting safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201975446U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104064704A (en) * | 2014-06-27 | 2014-09-24 | 中航锂电（洛阳）有限公司 | Battery pressure relief valve and battery using the pressure relief valve |
| CN107275709A (en) * | 2016-04-08 | 2017-10-20 | 江苏兴云新能源有限公司 | Battery case cooling mechanism, battery case and automobile with the battery case cooling mechanism |
| CN108413088A (en) * | 2018-01-22 | 2018-08-17 | 江苏集盛星泰新能源科技有限公司 | Ultracapacitor fluid-tight relief valve |
| CN109360907A (en) * | 2018-10-12 | 2019-02-19 | 徐州华邦塑业有限公司 | A kind of new energy car battery case end cap |
| CN114284608A (en) * | 2021-12-28 | 2022-04-05 | 苏州时运佳塑胶制品有限公司 | A new energy vehicle lithium battery cover |
| CN114904374A (en) * | 2022-05-18 | 2022-08-16 | 湖州强大分子筛科技有限公司 | Tail gas treatment device and treatment method for carbon molecular sieve production |
| CN115498343A (en) * | 2022-09-06 | 2022-12-20 | 无锡市检验检测认证研究院 | A protector, lithium cell and consumer for lithium cell |
| CN115681589A (en) * | 2022-10-31 | 2023-02-03 | 湖北亿纬动力有限公司 | Quick-assembly valve body structure and installation method |
| CN115699431A (en) * | 2020-06-15 | 2023-02-03 | 株式会社 Lg新能源 | secondary battery |
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2011
- 2011-01-30 CN CN2011200325433U patent/CN201975446U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104064704A (en) * | 2014-06-27 | 2014-09-24 | 中航锂电（洛阳）有限公司 | Battery pressure relief valve and battery using the pressure relief valve |
| CN107275709A (en) * | 2016-04-08 | 2017-10-20 | 江苏兴云新能源有限公司 | Battery case cooling mechanism, battery case and automobile with the battery case cooling mechanism |
| CN108413088A (en) * | 2018-01-22 | 2018-08-17 | 江苏集盛星泰新能源科技有限公司 | Ultracapacitor fluid-tight relief valve |
| CN108413088B (en) * | 2018-01-22 | 2019-07-02 | 江苏集盛星泰新能源科技有限公司 | Supercapacitor fluid-tight relief valve |
| CN109360907A (en) * | 2018-10-12 | 2019-02-19 | 徐州华邦塑业有限公司 | A kind of new energy car battery case end cap |
| CN115699431A (en) * | 2020-06-15 | 2023-02-03 | 株式会社 Lg新能源 | secondary battery |
| CN114284608A (en) * | 2021-12-28 | 2022-04-05 | 苏州时运佳塑胶制品有限公司 | A new energy vehicle lithium battery cover |
| CN114904374A (en) * | 2022-05-18 | 2022-08-16 | 湖州强大分子筛科技有限公司 | Tail gas treatment device and treatment method for carbon molecular sieve production |
| CN115498343A (en) * | 2022-09-06 | 2022-12-20 | 无锡市检验检测认证研究院 | A protector, lithium cell and consumer for lithium cell |
| CN115498343B (en) * | 2022-09-06 | 2024-06-11 | 无锡市检验检测认证研究院 | Protective device for lithium battery, lithium battery and electrical equipment |
| CN115681589A (en) * | 2022-10-31 | 2023-02-03 | 湖北亿纬动力有限公司 | Quick-assembly valve body structure and installation method |
| CN115681589B (en) * | 2022-10-31 | 2025-10-17 | 湖北亿纬动力有限公司 | Quick assembly valve body structure and installation method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 471003 Henan high tech Zone in Luoyang City, Spring City Road No. 16 Patentee after: China Aviation Lithium Battery Co., Ltd. Address before: 471003 No. 36 Binhe Road, Henan, Luoyang Patentee before: China Aviation Lithium Battery Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110914 Termination date: 20180130 |
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| CF01 | Termination of patent right due to non-payment of annual fee |