CN208352365U - A kind of vertical battery modules of battery core - Google Patents
A kind of vertical battery modules of battery core Download PDFInfo
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- CN208352365U CN208352365U CN201721917457.4U CN201721917457U CN208352365U CN 208352365 U CN208352365 U CN 208352365U CN 201721917457 U CN201721917457 U CN 201721917457U CN 208352365 U CN208352365 U CN 208352365U
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- mounting plate
- gravity
- heat pipe
- type heat
- battery
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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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Abstract
The utility model relates to technical field of lithium batteries more particularly to a kind of vertical battery modules of battery core, and including multiple battery modules placed vertically, and the electrode of multiple battery modules is arranged upward；It further include thermal management assemblies, it includes the first mounting plate and the second mounting plate, one end of first mounting plate is connect with one end of the second mounting plate, and the first angle between mounting plate and the second mounting plate is less than 180 °, the inner wall of first mounting plate is affixed on the bottom surface of multiple battery modules, the inner wall of second mounting plate is arranged relative to the one side of multiple battery modules, the gravity-type heat pipe of bending is equipped on the outer wall of the first mounting plate and the outer wall of the second mounting plate, the heat exchanging segment of gravity-type heat pipe is fixed with the second mounting plate, the endotherm section of gravity-type heat pipe is fixed with the first mounting plate；It further include the heating element with the liquid cooling plate of the heat exchanging segment contact heat-exchanging of gravity-type heat pipe and for being heated to gravity-type heat pipe.It occupies little space, convenient for dismantling maintenance.
Description
Technical field
The utility model relates to technical field of lithium batteries more particularly to a kind of vertical battery modules of battery core, further
For a kind of vertical battery modules of the battery core with thermal management assemblies.
Background technique
Now with the fast development of new energy industrial advantages, pure electric automobile and hybrid vehicle can be big with it
Width eliminates the advantages of even zero-emission vehicle tail gas, the attention by government and each Automobile Enterprises.However pure electric vehicle and mixed
Closing power vehicle still has many technical problems to need to break through, and battery and capacity attenuation are one of major issues.
Make under the service life and capacity attenuation of battery and the temperature difference of battery modules and non-reasonable temperature range
Use close relation.Power battery can generate a large amount of heat at work, if the heat can not be discharged in time, will make
Temperature in power battery constantly rises, and causes battery to work in abnormal temperature range, the accumulative of amount of localized heat can also make
Larger at the battery temperature difference, these can all influence the service life of power battery.Especially in the hot summer, the temperature of natural environment
Degree is very high, if effective radiating management cannot be carried out to power battery in time, final operating temperature will be much larger than power
The reasonable working temperature of battery, and then the service life and battery capacity of power battery are seriously affected, while also to power battery
Discharge performance cause biggish interference.In addition, charge-discharge performance of the power battery under low-temperature working environment is poor, especially
It is particularly evident in cold winter, when the battery modules of same type work under low temperature environment (for example temperature is lower than 0 DEG C), fill
Charge/discharge capacity of the discharge capacity ratio in room temperature (for example temperature is 25 DEG C) work is low.When the temperature of the surroundings is low, it will lead to
Inside battery generates serious polarity effect, and charging capacity is caused to reduce, also, multiple low-temperature charge and discharge can also generate it is irreversible
Skeleton (abbreviation dendrite), serious person, the dendrite of formation can puncture the diaphragm in single battery, cause battery internal short-circuit
Cause cell safety accident.
Battery is heated or cooled in the mode for being typically employed in setting thermal management assemblies in battery case, and battery is enable to close
It working within the scope of suitable temperature, currently used thermal management assemblies occupied space in battery case is big, and complicated operation for installation,
It is not easy to product and efficiently produces assembly and quickly dismantling maintenance.
Utility model content
(1) technical problems to be solved
The purpose of this utility model is that the existing thermal management assemblies of solution occupied space in battery case is big, installation operation is multiple
It is miscellaneous, be not easy to dismantling with maintenance the problem of.
(2) technical solution
In order to solve the above-mentioned technical problem, the utility model provides a kind of vertical battery modules of battery core, multiple battery moulds
Block, the multiple battery module are placed vertically, and the electrode of the multiple battery module is arranged upward；Thermal management assemblies,
The thermal management assemblies include the first mounting plate and the second mounting plate, one end of first mounting plate and second mounting plate
One end connection, and the angle between the first mounting plate and the second mounting plate is less than 180 °, and the inner wall of first mounting plate pastes
Inner wall in the bottom surface of the multiple battery module, second mounting plate is set relative to the one side of the multiple battery module
It sets, the gravity-type heat pipe of bending is equipped on the outer wall of first mounting plate and the outer wall of second mounting plate, it is described heavy
The heat exchanging segment of power type heat pipe is fixed with second mounting plate, and the endotherm section of the gravity-type heat pipe and first mounting plate are solid
It is fixed；The thermal management assemblies further include liquid cooling plate and heating element, and the heat exchanging segment of the liquid cooling plate and the gravity-type heat pipe connects
Touching heat exchange, the heating element are set on the gravity-type heat pipe and for heating to the gravity-type heat pipe.
According to the utility model, the angle between first mounting plate and second mounting plate is 90 °.
According to the utility model, the gravity-type heat pipe passes through structure silica gel and first mounting plate, the second mounting plate
It is fixed.
According to the utility model, the liquid cooling plate is located on the extending direction of second mounting plate end, and described heavy
The heat exchanging segment end of power type heat pipe is higher than the end of second mounting plate.
According to the utility model, the liquid cooling plate is fixed with the gravity-type heat pipe by brazing mode.
According to the utility model, the cooling medium of the liquid cooling plate is the mixture of water and ethylene glycol.
According to the utility model, the water inlet and water outlet of the liquid cooling plate are provided with quick coupling.
According to the utility model, installation is equipped on the outer wall of first mounting plate and on the outer wall of the second mounting plate
Slot, the mounting groove is for accommodating the gravity-type heat pipe.
According to the utility model, it is arranged at intervals with along the length direction of the mounting groove multiple for fixing the gravity-type
The fixation clip of heat pipe.
According to the utility model, the heating element is to set the PI heating film for being attached at the gravity-type heat pipe surface.
(3) beneficial effect
The above-mentioned technical proposal of the utility model has the advantages that compared with prior art
The vertical battery modules of battery core provided by the utility model, are provided with thermal management assemblies, and the first of thermal management assemblies
Mounting plate is located at the bottom surface of battery module, and the second mounting plate is located at the side of battery module, and entire battery modules are into battery case
When installation, except the side of the second mounting plate of setting, remaining each side is not necessarily to reserved installation space, occupies little space；Battery case
Interior multiple battery modules can arrange more closely, and space utilization rate is high, improve the power density of battery.Thermal management assemblies are set
The adjusting realized to battery module temperature is set, the heat exchange of the refrigerating fluid and gravity-type heat pipe that recycle by liquid cooling plate is realized to electricity
The cooling of pond module realizes the heating to battery module by heating element, so that battery can be at a suitable temperature
Work.The battery modules of the utility model are provided with thermal management assemblies, and in battery case assembling, battery modules can be with direct splicing
It uses, packaging efficiency is high, is convenient for mass production, improves production efficiency；Compared to battery modules multiple in battery case using same
One heat management system, multiple battery modules of the utility model are assembled in battery case convenient for the dismantling maintenance of single battery mould group.
Detailed description of the invention
Fig. 1 and Fig. 2 is the schematic three dimensional views of the vertical battery modules of battery core provided by the embodiment of the utility model；
Fig. 3 is the left view of the vertical battery modules of battery core provided by the embodiment of the utility model；
Fig. 4 is the bottom view of the vertical battery modules of battery core provided by the embodiment of the utility model.
In figure: 1: battery module；2: the first mounting plates；3: the second mounting plates；4: gravity-type heat pipe；41: endotherm section；42:
Heat exchanging segment；5: liquid cooling plate；6: mounting groove；7: fixation clip.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is a part of the embodiment of the utility model, instead of all the embodiments.Based on the reality in the utility model
Apply example, those of ordinary skill in the art's every other embodiment obtained without making creative work, all
Belong to the range of the utility model protection.
As depicted in figs. 1 and 2, the vertical battery modules of a kind of battery core provided by the embodiment of the utility model, including heat management
Component and multiple battery modules 1；Multiple battery modules 1 are vertical to be placed, and the electrode of multiple battery modules 1 is set upward
Set namely battery module 1 be equipped with positive and negative electrode one end be it is upper, one end opposite with electrode is bottom.Thermal management assemblies include
First mounting plate 2 and the second mounting plate 3, one end of the first mounting plate 2 are connect with one end of the second mounting plate 3, and the first installation
Angle α between plate 2 and the second mounting plate 3 is less than 180 °.The material of first mounting plate 2 and the second mounting plate 3 is preferably
Metallic aluminium, metallic aluminium light weight, heat transfer efficiency is high, is effective to ensure that the efficiency that is heated or cooled of battery, and realize battery
Lightweight.The inner wall of first mounting plate 2 is tightly attached to the bottom surface of multiple battery modules 1, and the bottom surface of battery module 1 is and is equipped with
Electrode while opposite, the inner wall of the second mounting plate 3 is arranged relative to multiple 1 one sides of battery module；In the first peace
The outer wall of the outer wall of loading board 2 and the second mounting plate 3 is equipped with the gravity-type heat pipe 4 of bending, the heat exchanging segment 42 of gravity-type heat pipe 4
Fixed with the second mounting plate 3, the endotherm section 41 of gravity-type heat pipe 4 and the first mounting plate 2 are fixed.Aforementioned first mounting plate 2 and
Between two mounting plates 3 angle is less than 180 ° namely the heat exchanging segment 42 of gravity-type heat pipe 4 is same as the angle of endotherm section 41 small
In 180 °, i.e. the non-aqueous placing flat of heat exchanging segment 42 of gravity-type heat pipe 4, to guarantee that the heat exchanging segment 42 of gravity-type heat pipe 4 can have reality
The now condition that medium flows down under the effect of gravity；Thermal management assemblies further include liquid cooling plate 5 and heating element, liquid cooling plate 5 and gravity
42 contact heat-exchanging of heat exchanging segment of type heat pipe 4, heating element are set on gravity-type heat pipe 4 and for carrying out to gravity-type heat pipe 4
Heating.Preferably, heating element is the PI heating film (not shown) for being attached at 4 surface of gravity-type heat pipe, further, this
PI heating film is in a strip shape in embodiment, invests heat pipe lower surface using 3M sticker, the PI heating film is by fever copper sheet and two sides
The polyimide insulative layer of pressing is constituted.
The battery modules working principle of the present embodiment: when 1 temperature of battery module is lower to be needed to heat, pass through gravity-type heat
The heating element of 4 bottom of pipe, which works, to be heated, and heat is transferred directly to the bottom of battery module 1 by gravity-type heat pipe 4, real
Whole temperature increases existing battery module 1 from bottom to top；The thermal resistance of gravity-type heat pipe 4 is smaller, and heating system is to thermal management assemblies
Heat loss is smaller when transmitting heat.When the temperature of battery is higher, the heat transfer of battery module 1 to gravity-type heat pipe 4 itself
Endotherm section 41, gravity-type heat pipe 4 makes medium carburation by evaporation in gravity-type heat pipe 4 after absorbing heat, flows to heat exchanging segment 42,
Medium release heat under 5 cooling effect of liquid cooling plate that heat exchanging segment 42 is arranged in gravity-type heat pipe 4 liquefies again is back to suction
Hot arc 41 continues to carry the heat of battery module 1 to heat exchanging segment 42 to discharge, so that the temperature of battery module 1 is dropped
It is low.
The vertical battery modules of battery core provided by the embodiment of the utility model are provided with thermal management assemblies, and the of thermal management assemblies
One mounting plate 2 is located at the bottom surface of battery module 1, and the second mounting plate 3 is located at the side of battery module 1, and entire battery modules are to electricity
In the case of pond when installation, except the side of the second mounting plate 3 of setting, remaining each side is not necessarily to reserved installation space, and battery modules are whole
Body occupies little space, and multiple battery modules can arrange more close in battery case, and space utilization rate is high, improves the power of battery
Density.The setting of thermal management assemblies realizes the adjusting to 1 temperature of battery module, enables battery work at a suitable temperature
Make.Preferably, battery modules further include control device in the present embodiment, and the first end of control device is connect with heating system, control
The second end of device processed is connect with cooling system, and the third end of control device is connect with temperature-detecting device, temperature-detecting device
For detecting the temperature of battery module 1, the temperature control heating for the battery module 1 that control device is detected according to temperature-detecting device
System or cooling system work, realize the automatic adjustment to 1 temperature of battery module.Battery modules in the present embodiment are provided with
Thermal management assemblies, in battery case assembling, battery modules can be used with direct splicing, and packaging efficiency is high, be convenient for mass production,
Improve production efficiency；Same heat management system, multiple batteries of the present embodiment are used compared to battery modules multiple in battery case
Module group assembling is in battery case convenient for the dismantling maintenance of single battery mould group.
Angle in the present embodiment between the first mounting plate 2 and the second mounting plate 3 is preferably 90 °.That is the second mounting plate 3 with
The side of battery module 1 is set in parallel, and further reduces thermal management assemblies the space occupied.
Consider for factors such as cost and installation conveniences, in the present embodiment gravity-type heat pipe 4 by structure silica gel with
First mounting plate 2 and the second mounting plate 3 are fixed.Secured connection that structure silica gel is fixed both to be may be implemented and reliably thermally conductive.
Further, liquid cooling plate 5 is located on the extending direction of 3 end of the second mounting plate in the present embodiment, and gravity-type
42 end of heat exchanging segment of heat pipe 4 is higher than the end of the second mounting plate 3.In the present embodiment, we pacify the second mounting plate 3 and first
One end that loading board 2 connects is referred to as the beginning of the second mounting plate 3, then the other end is the end of the second mounting plate 3.Liquid cooling plate
5 are arranged in 3 end of the second mounting plate, are equivalent to the extension of the second mounting plate 3, are not necessarily to additional occupied space, liquid cooling plate 5 can
Directly to contact with the gravity-type heat pipe 4 for being higher than the second mounting plate 3, heat exchange between the two is realized, structure type optimizes.It needs
It is noted that the position of liquid cooling plate 5 is not limited on the extending direction that the second mounting plate 3 is arranged in, it is also possible to setting and exists
Gravity-type heat pipe 4 deviates from the side of second mounting plate 3, connects as long as the setting position of liquid cooling plate 5 meets with gravity-type heat pipe 4
Touching can exchange heat.Both preferably, liquid cooling plate 5 is fixed with gravity-type heat pipe 4 by brazing mode in the present embodiment, realize
Secured connection and reliable thermally conductive.It is connected by the way of welding the most reliable.The cooling medium of liquid cooling plate 5 is in the present embodiment
The mixture of water and ethylene glycol.The volume ratio of water and ethylene glycol can be 3:2 or 2:1 or 1:1 etc., or other ratios
Mixing, as long as mixed cooling medium is enabled not freeze at low temperature, naturally it is also possible to not frozen using other
Any kind of cooling medium.
Preferably, the water inlet of liquid cooling plate 5 and water outlet are provided with quick coupling in the present embodiment.Setting is quick
Connector is convenient for the vertical battery modules of multiple battery cores quick assembling when assembled, improves production efficiency.The vertical battery of adjacent battery core
Liquid cooling plate between mould group is connected by hose.
As shown in Figure 3 and Figure 4, in order to preferably fix gravity-type heat pipe 4, the outer wall of the first mounting plate 2 in the present embodiment
Mounting groove 6 is equipped on the upper and outer wall of the second mounting plate 3, mounting groove 6 is for accommodating gravity-type heat pipe 4.Further, originally
It is arranged at intervals with along the length direction of mounting groove 6 in embodiment multiple for fixing the fixation clip 7 of gravity-type heat pipe 4.It adopts
Falling for gravity-type heat pipe 4 is avoided with fixed 4 one side of gravity-type heat pipe of fixation clip 7, is on the other hand pressed using fixation clip 7
Tight gravity-type heat pipe 4 and the first mounting plate 2 or the second mounting plate 3, keep the two contact even closer, improve heat transfer effect, Gu
Fixed pressuring plate 7 can be fixed using modes such as pin, screws.
Certainly, the gravity-type heat pipe 4 of the utility model can also be reinforced fixing by arch form elastic slice, specifically: along installation
The length direction of slot 6, which has, is arranged at intervals with multiple arch form elastic slices for being used to fix gravity-type heat pipe 4, and arch shrapnel is across peace
On tankage 6, i.e. the edge of mounting groove 6 is fixed at the both ends of arch shrapnel, and gravity-type heat pipe 4 is held at the top of arch shrapnel
Surface, for consolidating gravity-type heat pipe 4.Make gravity-type heat pipe 4 and the first mounting plate 2 or the second under the pressure of arch shrapnel
Mounting plate 3 contacts even closer, improves heat transference efficiency.
In conclusion the vertical battery modules of battery core provided by the embodiment of the utility model, are provided with thermal management assemblies, heat
First mounting plate of management assembly is located at the bottom surface of battery module, and the second mounting plate is located at the side of battery module, entire battery
When mould group is installed into battery case, except the side of the second mounting plate of setting, remaining each side is not necessarily to reserved installation space, occupies
Space is small；Multiple battery modules can arrange more close in battery case, and space utilization rate is high, improves the power density of battery.
The setting of thermal management assemblies realizes the adjusting to battery module temperature, the refrigerating fluid and gravity-type heat pipe recycled by liquid cooling plate
Heat exchange realize cooling to battery module, the heating to battery module is realized by heating element, so that battery can
It works at a suitable temperature.The battery modules of the utility model are provided with thermal management assemblies, in battery case assembling, battery mould
Group can be used with direct splicing, and packaging efficiency is high, be convenient for mass production, improve production efficiency；It is multiple compared in battery case
Battery modules use same heat management system, and multiple battery modules of the utility model are assembled in battery case convenient for single battery
The dismantling maintenance of mould group.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement；And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (9)
1. a kind of vertical battery modules of battery core characterized by comprising
Multiple battery modules, the multiple battery module are placed vertically, and the electrode of the multiple battery module is set upward
It sets；
Thermal management assemblies, the thermal management assemblies include the first mounting plate and the second mounting plate, one end of first mounting plate
It is connect with one end of second mounting plate, and the angle between the first mounting plate and the second mounting plate is less than 180 °, described
The inner wall of one mounting plate is affixed on the bottom surface of the multiple battery module, and the inner wall of second mounting plate is relative to the multiple electricity
The one side of pond module is arranged, and the weight of bending is equipped on the outer wall of first mounting plate and the outer wall of second mounting plate
Power type heat pipe, the heat exchanging segment of the gravity-type heat pipe are fixed with second mounting plate, the endotherm section of the gravity-type heat pipe with
First mounting plate is fixed；
The thermal management assemblies further include liquid cooling plate and heating element, and the heat exchanging segment of the liquid cooling plate and the gravity-type heat pipe connects
Touching heat exchange, the heating element are set on the gravity-type heat pipe and for heating to the gravity-type heat pipe；It is described
Heating element is the PI heating film for being attached at the gravity-type heat pipe surface.
2. the vertical battery modules of battery core according to claim 1, it is characterised in that: first mounting plate and described second
Angle between mounting plate is 90 °.
3. the vertical battery modules of battery core according to claim 1, it is characterised in that: the gravity-type heat pipe passes through structure silicon
Glue is fixed with first mounting plate, the second mounting plate.
4. the vertical battery modules of battery core according to claim 1, it is characterised in that: the liquid cooling plate is located at second peace
On the extending direction of loading board end, and the heat exchanging segment end of the gravity-type heat pipe is higher than the end of second mounting plate.
5. the vertical battery modules of battery core according to claim 1 or 4, it is characterised in that: the liquid cooling plate and the gravity
Type heat pipe is fixed by brazing mode.
6. the vertical battery modules of battery core according to claim 1, it is characterised in that: the cooling medium of the liquid cooling plate is water
With the mixture of ethylene glycol.
7. the vertical battery modules of battery core according to claim 1, it is characterised in that: the water inlet of the liquid cooling plate and go out
Quick coupling is provided at the mouth of a river.
8. the vertical battery modules of battery core according to claim 1, it is characterised in that: on the outer wall of first mounting plate with
And second mounting plate outer wall on be equipped with mounting groove, the mounting groove is for accommodating the gravity-type heat pipe.
9. the vertical battery modules of battery core according to claim 8, it is characterised in that: between the length direction of the mounting groove
It is multiple for fixing the fixation clip of the gravity-type heat pipe every being provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721917457.4U CN208352365U (en) | 2017-12-29 | 2017-12-29 | A kind of vertical battery modules of battery core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721917457.4U CN208352365U (en) | 2017-12-29 | 2017-12-29 | A kind of vertical battery modules of battery core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208352365U true CN208352365U (en) | 2019-01-08 |
Family
ID=64873091
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721917457.4U Expired - Fee Related CN208352365U (en) | 2017-12-29 | 2017-12-29 | A kind of vertical battery modules of battery core |
Country Status (1)
| Country | Link |
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| CN (1) | CN208352365U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110197937A (en) * | 2019-07-10 | 2019-09-03 | 福建省汽车工业集团云度新能源汽车股份有限公司 | A kind of battery pack heating film system synthesis |
| CN112333861A (en) * | 2020-11-17 | 2021-02-05 | 北京理工大学 | Battery heating film with variable heating power and lithium ion battery |
-
2017
- 2017-12-29 CN CN201721917457.4U patent/CN208352365U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110197937A (en) * | 2019-07-10 | 2019-09-03 | 福建省汽车工业集团云度新能源汽车股份有限公司 | A kind of battery pack heating film system synthesis |
| CN110197937B (en) * | 2019-07-10 | 2022-02-22 | 福建省汽车工业集团云度新能源汽车股份有限公司 | Heating film system assembly for battery pack |
| CN112333861A (en) * | 2020-11-17 | 2021-02-05 | 北京理工大学 | Battery heating film with variable heating power and lithium ion battery |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190812 Address after: 101102 Beijing Tongzhou District Huanyu Road No.3 Building No.14, 3 Floors Co-patentee after: Thornton Amperex Technology Limited Patentee after: Sander New Energy Technology Development Co., Ltd. Address before: Unit 402, Flower Garden Residence Unit 1, Bayi Town, Linzhi City, Tibet Autonomous Region Co-patentee before: Thornton Amperex Technology Limited Patentee before: Sound Group Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190108 Termination date: 20201229 |