CN204424405U - A kind of built-in electric automobiles power brick heat abstractor of air blast cooling - Google Patents
A kind of built-in electric automobiles power brick heat abstractor of air blast cooling Download PDFInfo
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- CN204424405U CN204424405U CN201520058257.2U CN201520058257U CN204424405U CN 204424405 U CN204424405 U CN 204424405U CN 201520058257 U CN201520058257 U CN 201520058257U CN 204424405 U CN204424405 U CN 204424405U
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- radiating module
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- 239000011449 brick Substances 0.000 title claims abstract description 47
- 238000001816 cooling Methods 0.000 title claims abstract description 28
- 239000002131 composite material Substances 0.000 claims abstract description 59
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- 238000009423 ventilation Methods 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims description 21
- 239000000126 substance Substances 0.000 claims description 12
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical group CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 8
- 239000003292 glue Substances 0.000 claims description 3
- 239000004519 grease Substances 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims description 3
- 238000009834 vaporization Methods 0.000 claims description 3
- 230000008016 vaporization Effects 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 2
- 210000004027 cell Anatomy 0.000 description 38
- 238000000034 method Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 239000000110 cooling liquid Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 230000005499 meniscus Effects 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 230000035755 proliferation Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000007323 disproportionation reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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Abstract
A built-in electric automobiles power brick heat abstractor for air blast cooling, comprising: the both sides heating surface of each battery cell in power brick respectively connects a multi-channel type micro slot group composite phase change radiating module; Described multi-channel type micro slot group composite phase change radiating module forms the radiating module of I shape by the fin of cavity connection both wings, and the both sides heating surface of battery cell is connected with cavity respectively; Multi-channel type micro slot group composite phase change radiating module interleaves arrangement contact composition one row between two, leaves the path clearance being convenient to air flowing between two adjacent row; Battery cell and multi-channel type micro slot group composite phase change radiating module are arranged in power brick casing, and the upper and lower surface of power brick casing all offers ventilation hole.
Description
Technical field
The utility model relates to heat radiation and the thermal control system of electric automobile vehicle electric Chi Bao, is especially applied to a kind of built-in electric automobiles power brick heat abstractor of the various electric automobile vehicle electric Chi Bao be made up of multiple high power battery monomer.
Background technology
At present, widely used electric automobile vehicle electric Chi Bao heat radiation has Direct Air-Cooled and liquid cooling two kinds of methods.Direct Air-Cooled method allows air directly flow through each battery cell heating surface with serial ventilation or parallel mode of ventilating, and the heat produced when taking away battery operated reduces and controls battery surface temperature; Liquid cooling method allows cooling liquid directly or indirectly flow through each battery cell heating surface in power brick, and the heat produced when taking away battery operated reduces and controls battery surface temperature.
But the heat exchange coefficient in Direct Air-Cooled method between air and battery surface is very low, and cell surface area is little, cause cooling effectiveness too poor, battery surface temperature is easily too high.In addition, be no matter parallel or serial is ventilated, some battery cells being closely arranged in middle section in power brick cannot contact with air due to its battery surface, and radiating condition is severe, causes the excessive temperature differentials between these battery cells and other battery cells.The defect of liquid cooling method also comprises apart from the above: sealing requirements is high, and the weight and volume of heat abstractor is relatively large, and maintenance process simulation is complicated, need the parts such as water jacket, heat exchanger, structure relative complex, and, can cause equally between different battery cells and there is the larger temperature difference.
Battery surface temperature is too high or temperature distributing disproportionation is even, reduces battery charging and discharging cycle efficieny all the most at last, and the power and the energy that affect battery play, and also will cause thermal runaway, and affect the safety and reliability of battery time serious.
Utility model content
The purpose of this utility model is to provide a kind of built-in electric automobiles power brick heat abstractor of air blast cooling.
For achieving the above object, the built-in electric automobiles power brick heat abstractor of the air blast cooling that the utility model provides, comprising:
The both sides heating surface of each battery cell in power brick respectively connects " work " font multi-channel type micro slot group composite phase change radiating module be made up of thermal conductive metallic material;
The fin that described " work " font multi-channel type micro slot group composite phase change radiating module connects both wings by a cavity to external seal vacuumized forms, and the both sides heating surface of battery cell is connected with cavity respectively;
Inside cavity is vertically divided into multiple vertically closed micro-channel, each surrounding internal face vertically closing micro-channel is vertically provided with many open composite phase-change micro-channel, each vertically closing between micro-channel realizes leading at cavity inner top and bottom section respectively, cavity bottom contains the liquid working substance with certain latent heat of vaporization, and the UNICOM of cavity bottom is to ensure that each vertically closing bottom micro-channel has liquid working substance;
All battery cells of composition electric automobile vehicle electric Chi Bao are divided into many row, battery cell and the multi-channel type micro slot group composite phase change radiating module of some interleave between two to arrange and contact composition one row, leave the path clearance being convenient to air flowing between two adjacent row;
Battery cell and multi-channel type micro slot group composite phase change radiating module are arranged in power brick casing, and the upper and lower surface of power brick casing all offers ventilation hole.
In the built-in electric automobiles power brick heat abstractor of described air blast cooling, above or below power brick casing, be provided with fan.
In the built-in electric automobiles power brick heat abstractor of described air blast cooling, the shape of cross section vertically closing micro-channel in the cavity of " work " font multi-channel type micro slot group composite phase change radiating module is circle, square, rectangle, trapezoidal, triangle or polygon, vertically close the equivalent diameter of micro-channel in the scope of 0.3-5mm, vertically close micro-channel spacing in the scope of 0.5-5mm; The shape of cross section of open composite phase-change micro-channel is rectangle, triangle or trapezoidal, and the width of open composite phase-change micro-channel and the degree of depth are all within the scope of 0.01-2mm, and micro-channel spacing is within the scope of 0.01-2mm.
In the built-in electric automobiles power brick heat abstractor of described air blast cooling, cavity inner top and bottom are rectangle for the channel cross-section shape that leads to led to, and lead to the equivalent diameter of passage within the scope of 0.6-10mm.
In the built-in electric automobiles power brick heat abstractor of described air blast cooling, liquid working substance is acetone.
In the built-in electric automobiles power brick heat abstractor of described air blast cooling, " work " font multi-channel type micro slot group composite phase change radiating module is pasted onto the both sides heating surface of battery cell by heat-conducting silicone grease or heat-conducting glue.
In the built-in electric automobiles power brick heat abstractor of described air blast cooling, the shape of fin is rectangle, trapezoidal or triangle; Fin thickness is in the scope of 0.5-2mm, and the height of fin is in the scope of 1-70mm, and the length of fin is in the scope of 10-300mm, and spacing of fins is within the scope of 1-10mm.
What the utility model provided utilizes the built-in electric automobiles power brick heat abstractor of above-mentioned air blast cooling to carry out the method for dispelling the heat:
The heat of battery cell heating surface is delivered to by " work " font multi-channel type micro slot group composite phase change radiating module cavity wall in the open composite phase-change micro-channel of the multiple vertically closed micro-channel inwall of its inside cavity, liquid working substance vertically close open composite phase-change micro-channel self structure institute on micro-channel and its inwall combine the effect of the capillary gradients of formation under along vertically closed micro-channel and open composite phase-change micro-channel thereof constantly upwards flow, vertically closing in micro-channel and open composite phase-change micro-channel thereof the high strength micro-scale composite phase-change enhanced heat exchange process of combining and forming the thin liquid film evaporation of expansion meniscus and thick liquid film nucleate boiling simultaneously, liquid working substance is made to become the heat produced when steam zone walks battery cell work, the steam produced in each vertically closed micro-channel rises along vertical closed micro-channel and flows to cavity inner top region, and vertically close micro-channel leading in top area by each, realize horizontal proliferation, entrained heat is passed to the fin of radiating module both wings, by fin, heat loss is gone out,
The tank wall of power brick casing has ventilation hole, by utilizing the air blast cooling of the fan be arranged on power brick cabinet exterior to make the bottom-up fin of blowing over each " work " font multi-channel type micro slot group composite phase change radiating module of cold air, take away the caloric value of all battery cells in power brick; Or utilize external liquid pump, insulating and cooling liquid body is made to enter in power brick casing from inlet, be divided into many streams again, from up to down flow through the gap between path clearance between each two adjacent row battery cells and the fin of each " work " font multi-channel type micro slot group composite phase change radiating module; Take away the heat of battery cell.
It is low that apparatus and method of the present utility model solve the radiating efficiency that the electric automobile vehicle electric pond bag heat dissipating method of existing Direct Air-Cooled and liquid cooling and device exist, cause that battery cell temperature is too high, the technological deficiency of excessive temperature differentials between battery cell, can dispel the heat by carrying out that be efficient and samming.Compared with traditional flat-plate heat pipe radiating mode, the utility model combines owing to adopting the special construction vertically closing micro-channel and open composite phase-change micro-channel thereof the micro-scale composite phase-change strengthening heat transfer defining more high strength, its effect makes the utility model can process the heat radiation of the power brick battery cell of more high power density, power brick battery cell for equal-wattage density dispels the heat, and the utility model then can make battery cell heating surface temperature lower; Meanwhile, the utility model can realize the efficient isothermal heat diffusion fast of horizontal direction, flat-plate heat pipe then can not, thus the utility model is compared with flat-plate heat pipe, can ensure the homogeneous temperature distribution of battery cell heating surface.
Accompanying drawing explanation
Figure 1A is the assembling schematic diagram that the both sides heating surface of battery cell in power brick respectively connects a multi-channel type micro slot group composite phase change radiating module;
Figure 1B is the assembling arrangement mode schematic diagram of several battery cells and multi-channel type micro slot group composite phase change radiating module in power brick.
Fig. 2 A is the internal view of multi-channel type micro slot group composite phase change radiating module.
Fig. 2 B is the sectional view of Fig. 2 A along A-A line, shows the schematic diagram of multi-channel type micro slot group composite phase change radiating module chamber interior UNICOM and vapor flow.
Fig. 2 C is the cross-sectional cut-away enlarged drawing vertically closing micro-channel and open composite phase-change micro-channel of multi-channel type micro slot group composite phase change radiating module inside.
Fig. 3 is the schematic diagram that built-in electric automobiles power brick heat abstractor of the present utility model adopts air cooling.
Symbol description in accompanying drawing
1 battery cell, 2 I shape multi-channel type micro slot group composite phase change radiating modules; 3 open composite phase-change micro-channel; 4 vertically close micro-channel; 5 fins; 6 liquid working substances; 7 power brick casings; 8 fans.
Embodiment
Embodiment 1
Below in conjunction with drawings and Examples, the utility model is described in detail:
Refer to accompanying drawing.For the batteries of electric automobile bag battery burst device be made up of 12 high power battery monomers, make a kind of built-in electric automobile batteries group-radiators system of air blast cooling pattern cold junction.Comprise battery cell 1, for having power brick casing 7 and the fan 8 (as shown in Figure 3) of ventilation hole from " work " font multi-channel type micro slot group composite phase change radiating module 2 (as shown in Figure 1A and 1B) vacuumized of battery cell 1 both sides heating surface heat-obtaining, tank wall.
Refer to Fig. 2 A, 2B, 2C.Each battery cell 1 is provided with 2 " work " font multi-channel type micro slot group composite phase change radiating modules 2, respectively from the side heat-obtaining of battery cell 1.Each " work " font multi-channel type micro slot group composite phase change radiating module 2 middle body is a cavity to external seal vacuumized, inside cavity is vertically divided into multiple vertically closed micro-channel 4, and the shape of cross section vertically closing micro-channel 4 is rectangle; The equivalent diameter vertically closing micro-channel 4 is 1.9mm, and vertically closing micro-channel 4 spacing is 2mm; Many open composite phase-change micro-channel 3 are vertically provided with at each surrounding internal face vertically closing micro-channel 4, its shape of cross section is rectangle, the width of open composite phase-change micro-channel 3 is 0.1mm, and the degree of depth is 0.4mm, and open composite phase-change micro-channel 3 spacing is 0.2mm.Each vertically closing between micro-channel 4 realizes leading at cavity inner top and bottom section respectively.The UNICOM of cavity bottom ensures that each vertically closing bottom micro-channel 4 has liquid working substance (acetone) 6.Cavity inner top and bottom are rectangle for the channel cross-section shape that leads to led to, and the equivalent diameter of leading to passage is 4mm.The described size vertically closing micro-channel 4 and open composite phase-change micro-channel 3 thereof and architectural feature are applicable to combining the strong capillary force of formation and forming micro-scale composite phase-change enhanced heat exchange condition, the liquid working substance (acetone) 6 " work " font multi-channel type micro slot group composite phase change radiating module 2 cavity bottom with certain latent heat of vaporization is drawn in the open composite phase-change micro-channel 3 vertically closed in micro-channel 4 and inner wall surface thereof, and vertically closing in micro-channel 4 and open composite phase-change micro-channel 3 thereof the high strength micro-scale composite phase-change enhanced heat exchange process forming the thin liquid film evaporation of expansion meniscus and thick liquid film nucleate boiling, liquid working substance is made to become the heat produced when steam zone walks battery cell work, the steam produced in each vertically closed micro-channel 4 flows to cavity inner top region along vertically closing micro-channel 4 rising, and vertically close micro-channel 4 leading in top area by each, realize horizontal proliferation, entrained heat is passed to the fin 5 of " work " font multi-channel type micro slot group composite phase change radiating module 2 both wings, by fin 5, heat loss is gone out.The shape of fin 5 is rectangle, and fin 5 thickness is 0.8mm, and the height of fin 5 is 30mm, and the length of fin 5 is 100mm, and fin 5 spacing is within the scope of 1-10mm.
Refer to 12 battery cells 1 that Figure 1B forms electric automobile vehicle electric Chi Bao again and be divided into 3 groups, often organize totally 4 battery cells.Together with the both sides heating surface of each battery cell 1 in each group is closely attached to by heat-conducting silicone grease or heat-conducting glue with the heat-obtaining face, side of " work " font multi-channel type micro slot group composite phase change radiating module 2 described in respectively, form battery cell 1 and interleave close contact between two with " work " font multi-channel type micro slot group composite phase change radiating module 2, be arranged into row, one group is row, 5 " work " font multi-channel type micro slot group composite phase change radiating modules 2 are had in one row, 15 " work " font multi-channel type micro slot group composite phase change radiating modules 2 are had in three groups (three row), the path clearance being convenient to air flowing is left between adjacent two groups (two row), battery cell is with " " font multi-channel type micro slot group composite phase change radiating module 2 is arranged on and tank wall has (as shown in Figure 3) in the power brick casing 7 of ventilation hole work in a manner described.By utilizing the air blast cooling of the fan 8 be arranged on power brick casing 7 outer wall to make the bottom-up fin 5 of blowing over each " work " font multi-channel type micro slot group composite phase change radiating module 2 of cold air, take away the caloric value of all battery cells 1 in power brick.
Claims (7)
1. a built-in electric automobiles power brick heat abstractor for air blast cooling, is characterized in that, comprising:
The both sides heating surface of each battery cell in power brick respectively connects " work " font multi-channel type micro slot group composite phase change radiating module be made up of thermal conductive metallic material;
The fin that described " work " font multi-channel type micro slot group composite phase change radiating module connects both wings by a cavity to external seal vacuumized forms, and the both sides heating surface of battery cell is connected with cavity respectively;
Inside cavity is vertically divided into multiple vertically closed micro-channel, each surrounding internal face vertically closing micro-channel is vertically provided with many open composite phase-change micro-channel, each vertically closing between micro-channel realizes leading at cavity inner top and bottom section respectively, cavity bottom contains the liquid working substance with certain latent heat of vaporization, and the UNICOM of cavity bottom is to ensure that each vertically closing bottom micro-channel has liquid working substance;
All battery cells of composition electric automobile vehicle electric Chi Bao are divided into many row, battery cell and the multi-channel type micro slot group composite phase change radiating module of some interleave between two to arrange and contact composition one row, leave the path clearance being convenient to air flowing between two adjacent row;
Battery cell and multi-channel type micro slot group composite phase change radiating module are arranged in power brick casing, and the upper and lower surface of power brick casing all offers ventilation hole.
2. the built-in electric automobiles power brick heat abstractor of air blast cooling according to claim 1, is characterized in that, be provided with fan above or below power brick casing.
3. the built-in electric automobiles power brick heat abstractor of air blast cooling according to claim 1, it is characterized in that, the shape of cross section vertically closing micro-channel in the cavity of " work " font multi-channel type micro slot group composite phase change radiating module is circle, square, rectangle, trapezoidal, triangle or polygon, vertically close the equivalent diameter of micro-channel in the scope of 0.3-5mm, vertically close micro-channel spacing in the scope of 0.5-5mm; The shape of cross section of open composite phase-change micro-channel is rectangle, triangle or trapezoidal, and the width of open composite phase-change micro-channel and the degree of depth are all within the scope of 0.01-2mm, and micro-channel spacing is within the scope of 0.01-2mm.
4. the built-in electric automobiles power brick heat abstractor of air blast cooling according to claim 1, it is characterized in that, cavity inner top and bottom are rectangle for the channel cross-section shape that leads to led to, and lead to the equivalent diameter of passage within the scope of 0.6-10mm.
5. the built-in electric automobiles power brick heat abstractor of air blast cooling according to claim 1, it is characterized in that, liquid working substance is acetone.
6. the built-in electric automobiles power brick heat abstractor of air blast cooling according to claim 1, it is characterized in that, " work " font multi-channel type micro slot group composite phase change radiating module is pasted onto the both sides heating surface of battery cell by heat-conducting silicone grease or heat-conducting glue.
7. the built-in electric automobiles power brick heat abstractor of air blast cooling according to claim 1, is characterized in that, the shape of fin is rectangle, trapezoidal or triangle; Fin thickness is in the scope of 0.5-2mm, and the height of fin is in the scope of 1-70mm, and the length of fin is in the scope of 10-300mm, and spacing of fins is within the scope of 1-10mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520058257.2U CN204424405U (en) | 2015-01-28 | 2015-01-28 | A kind of built-in electric automobiles power brick heat abstractor of air blast cooling |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520058257.2U CN204424405U (en) | 2015-01-28 | 2015-01-28 | A kind of built-in electric automobiles power brick heat abstractor of air blast cooling |
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| CN204424405U true CN204424405U (en) | 2015-06-24 |
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| CN201520058257.2U Expired - Fee Related CN204424405U (en) | 2015-01-28 | 2015-01-28 | A kind of built-in electric automobiles power brick heat abstractor of air blast cooling |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104617352A (en) * | 2015-01-28 | 2015-05-13 | 中国科学院工程热物理研究所 | Heat radiation method and device for built-in electromobile battery pack |
| CN105206895A (en) * | 2015-10-20 | 2015-12-30 | 方乐同 | Cooling method of battery pack and battery pack with cooling device |
| CN105826634A (en) * | 2016-06-01 | 2016-08-03 | 广东工业大学 | Power battery system |
| CN106450572A (en) * | 2016-11-14 | 2017-02-22 | 中国科学院广州能源研究所 | System and method for partitioned heat management based on lithium ion battery pack |
| CN106602171A (en) * | 2016-12-22 | 2017-04-26 | 中国矿业大学 | Phase-change material/air-coupled hierarchical battery heat management system |
| CN109729673A (en) * | 2017-10-30 | 2019-05-07 | 北京精密机电控制设备研究所 | A kind of heat shock resistance radiator based on phase-change material |
-
2015
- 2015-01-28 CN CN201520058257.2U patent/CN204424405U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104617352A (en) * | 2015-01-28 | 2015-05-13 | 中国科学院工程热物理研究所 | Heat radiation method and device for built-in electromobile battery pack |
| CN104617352B (en) * | 2015-01-28 | 2017-04-19 | 中国科学院工程热物理研究所 | Heat radiation method and device for built-in electromobile battery pack |
| CN105206895A (en) * | 2015-10-20 | 2015-12-30 | 方乐同 | Cooling method of battery pack and battery pack with cooling device |
| CN105826634A (en) * | 2016-06-01 | 2016-08-03 | 广东工业大学 | Power battery system |
| CN106450572A (en) * | 2016-11-14 | 2017-02-22 | 中国科学院广州能源研究所 | System and method for partitioned heat management based on lithium ion battery pack |
| CN106450572B (en) * | 2016-11-14 | 2018-10-23 | 中国科学院广州能源研究所 | A kind of system and method based on lithium ion battery component zone heat management |
| CN106602171A (en) * | 2016-12-22 | 2017-04-26 | 中国矿业大学 | Phase-change material/air-coupled hierarchical battery heat management system |
| CN106602171B (en) * | 2016-12-22 | 2019-04-26 | 中国矿业大学 | A kind of hierarchical battery thermal management system of phase-change material/Air Coupling |
| CN109729673A (en) * | 2017-10-30 | 2019-05-07 | 北京精密机电控制设备研究所 | A kind of heat shock resistance radiator based on phase-change material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170919 Address after: 430040 Hubei province Dongxihu District of Wuhan City New Town Industrial Park, No. 102 (14) Patentee after: ZHONGKE WUHUAN NEW ENERGY AUTOMOBILE HEAT MANAGEMENT TECHNOLOGY (WUHAN) Co.,Ltd. Address before: 100190 Beijing City, North Fourth Ring Road West, No. 11, No. Patentee before: Institute of Engineering Thermophysics, Chinese Academy of Sciences |
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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: 20150624 |