CN105161985B - A kind of super capacitor cabinet - Google Patents
A kind of super capacitor cabinet Download PDFInfo
- Publication number
- CN105161985B CN105161985B CN201510342016.5A CN201510342016A CN105161985B CN 105161985 B CN105161985 B CN 105161985B CN 201510342016 A CN201510342016 A CN 201510342016A CN 105161985 B CN105161985 B CN 105161985B
- Authority
- CN
- China
- Prior art keywords
- capacitor
- super
- layer
- cabinet
- super capacitor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The present invention proposes a kind of super capacitor cabinet, super capacitor layer is separated into multi-layer capacity layer equipped with multiple mounting bar framves in super capacitor layer, two super-capacitor modules are equipped with away from the first cabinet door side per layer capacitance layer, capacitor layers are equipped with the capacitor voltage equalizing submodule to match with super-capacitor module close to the first cabinet door side；Each super-capacitor module is composed in parallel by multiple super capacitors, and super-capacitor module is serially connected；Line disconnecting switch, line contactor, pre-charge contactor, electric discharge contactor, capacitor voltage equalizing mainboard are equipped with close to the second cabinet door side in switching device layer, is equipped with the discharge resistance of super capacitor in switching device layer away from the second cabinet door side.The present invention is compact-sized, and small volume, cost is low, can be installed on light rail vehicle, and driven by power can be provided when light rail vehicle passes through contactless web area for locomotive by being charged and discharged function using super capacitor, ensure even running of the vehicle in non-Electric region.
Description
Technical field
The present invention relates to super capacitor energy storage device technical field, more particularly to a kind of super capacitor cabinet.
Background technology
Subway super capacitor energy storage device is the ground independent electrical equipment for being placed in platform, for recycling iron
Energy, and effectively suppress due to rise braking when power grid momentary high power caused by voltage ripple of power network.Selecting super electricity
, it is necessary to consider the variation relation of energy-storage system and power during train normal operation in terms of holding power.The underground railway track traffic in city
Usually distance is very short between station and station, and in 1km or so, for traction braking power to change very big needle pattern in short-term, this requires storage
Energy device has larger power density；The train of long-play needs frequently to start and braking, equispaced 2min are left
The right side, thus energy storage device be also required to frequently energy storage and release can state between switch, it is necessary to adapt to annual 100000-30 ten thousand times
Load cycle；Meanwhile train traction/braking time is very short, usually between 20s-30s, release and suction rapidly in a short time
Huge energy flow is received, energy storage device needs have quick charging and discharging capabilities.Due to super capacitor best suit it is above-mentioned needed for
The condition wanted, therefore it is the most suitable to select super capacitor to do energy storage device.But power and train braking the traction work(of super capacitor
Rate matching can just reach preferable energy regeneration.
For super capacitor energy storage device, select low-voltage (with respect to dc bus) operating mode more satisfactory.It can subtract
Few capacitance series connection monomer number, reduces the difficulty and cost of super capacitor group Pressure and Control, and is easier to super capacitor group
Optimize configuration.
During initial brake, the power and electric current of feedback are very big, and since super capacitor group voltage power supply is in larger change
Change in scope volume.For example, 1500V DC power-supply systems, when brake squeal power is 6800kW, when super capacitor group voltage is
During 680V, braking power is fully absorbed, electric current is 1 × 106A.Causing the research and development of energy storage device, there are many problems.It is existing super
The charging and discharging currents of capacitance are not infinity, it is also desirable to which more parallel branches meet high current requirement, certain for storing
The module of energy and certain depth of discharge, monomer number do not change, so the Combinatorial Optimization difficulty of monomer string simultaneously is added,
Regardless of expense is even needed to increase capacitance monomer number, to meet actual requirement.Super capacitor module quantity is more, how to pass through
It is the technical problem for being badly in need of solving in industry that multiple super capacitor modules are mounted as a whole in electric car compartment by one cabinet body structure.
The content of the invention
In order to solve technical problem present in background technology, the present invention proposes a kind of super capacitor cabinet, compact-sized,
Small volume, cost is low, can be installed on light rail vehicle, and be charged and discharged function using super capacitor passes through in light rail vehicle
Driven by power can be provided during contactless web area for locomotive, ensure even running of the vehicle in non-Electric region.
A kind of super capacitor cabinet proposed by the present invention, including cabinet, cabinet include upper cover plate, bottom plate and connection upper cover plate and
Three blocks of dismountable side plates of bottom plate, cabinet is interior to be equipped with super capacitor layer and switching device layer, and super capacitor layer is equipped with and cabinet
The first hinged cabinet door, switching device layer are equipped with second cabinet door hinged with cabinet, and the second cabinet door is equipped with display capacitance cabinet
The indicator light of state；Switching device layer is located above super capacitor layer；
Super capacitor layer is separated into multi-layer capacity layer equipped with multiple mounting bar framves in super capacitor layer, it is remote per layer capacitance layer
Two super-capacitor modules are equipped with from the first cabinet door side, capacitor layers are equipped with and super-capacitor module phase close to the first cabinet door side
The capacitor voltage equalizing submodule matched somebody with somebody；Each super-capacitor module is composed in parallel by multiple super capacitors, and super-capacitor module is mutually gone here and there
Connection；Capacitor voltage equalizing submodule is made of EE42 transformers, DSA90C200 Schottky diodes and East Asia DY-SU radiators, side dress
In on intermediate hierarchical supporting plate；
In switching device layer close to the second cabinet door side be equipped with line disconnecting switch, line contactor, pre-charge contactor,
Discharge contactor, capacitor voltage equalizing mainboard, is equipped with the discharge resistance of super capacitor in switching device layer away from the second cabinet door side；Open
Close device layers top plate and be equipped with wind turbine；Capacitor voltage equalizing mainboard is made of BUCK, half-bridge, MCU, protection synthesis and CAN communication.
Preferably, the electric voltage equalization between super-capacitor module adds full-bridge two-stage type electric voltage equalization topological using Buck, is used for
Realize controllable euqalizing current in real time, there is provided overcurrent protection, without monitoring super-capacitor module voltage, realizes balancing energy automatically.
Preferably, the disconnecting switch of line disconnecting switch selection model EX9MD2B, line disconnecting switch are provided with lengthening
Rotate handle to interlock with cabinet door, for ensureing that line disconnecting switch is off while opening the door.
Preferably, line contactor selection model NEVN620025 D.C. contactors.
Preferably, pre-charge contactor selection model NEVN61025 D.C. contactors.
Preferably, the width of capacitor voltage equalizing submodule, length, depth ratio 19:30:30.
Preferably, the width of capacitor voltage equalizing mainboard, length, depth ratio are less than 14:14:3.
In the present invention, super capacitor layer is separated into multi-layer capacity layer equipped with multiple mounting bar framves in super capacitor layer,
Two super-capacitor modules are equipped with away from the first cabinet door side per layer capacitance layer, capacitor layers are equipped with surpassing close to the first cabinet door side
The capacitor voltage equalizing submodule that level capacitance module matches；Each super-capacitor module is composed in parallel by multiple super capacitors, super electricity
Molar block is serially connected；Capacitor voltage equalizing submodule is dissipated by EE42 transformers, DSA90C200 Schottky diodes and East Asia DY-SU
Hot device composition, side is loaded on intermediate hierarchical supporting plate；In switching device layer close to the second cabinet door side be equipped with line disconnecting switch,
Line contactor, pre-charge contactor, discharge contactor, capacitor voltage equalizing mainboard, away from the second cabinet door side in switching device layer
Discharge resistance equipped with super capacitor；Switching device layer top plate is equipped with wind turbine；Capacitor voltage equalizing mainboard by BUCK, half-bridge, MCU,
Protection is comprehensive and CAN communication forms.The present invention is compact-sized, and small volume, cost is low, can be installed on light rail vehicle, profit
Driven by power can be provided when light rail vehicle passes through contactless web area for locomotive by being charged and discharged function with super capacitor, be protected
Demonstrate,prove even running of the vehicle in non-Electric region.
Brief description of the drawings
Fig. 1 is a kind of super capacitor cabinet schematic diagram proposed by the present invention；
Fig. 2 is a kind of super capacitor cabinet axonometric drawing proposed by the present invention；
Fig. 3 is a kind of capacitor layers structure diagram of super capacitor cabinet proposed by the present invention；
Fig. 4 voltage balance circuit figures between a kind of super-capacitor module of super capacitor cabinet proposed by the present invention；
Fig. 5 is a kind of line disconnecting switch connection mode figure of super capacitor cabinet proposed by the present invention.
Embodiment
With reference to Fig. 1, Fig. 2, Fig. 3, the present invention proposes a kind of super capacitor cabinet, including cabinet 1, and cabinet 1 includes upper cover plate, bottom
Plate and three blocks of dismountable side plates of connection upper cover plate and bottom plate, cabinet 1 is interior to be equipped with super capacitor layer and switching device layer 2, surpasses
Level capacitor layers are equipped with first cabinet door 8 hinged with cabinet 1, and switching device layer 2 is equipped with second cabinet door 9 hinged with cabinet 1, and second
Cabinet door 9 is equipped with the indicator light 6 of display cabinet state；Switching device layer 2 is located above super capacitor layer；
Super capacitor layer is separated into multi-layer capacity layer 3 equipped with multiple mounting bar framves 4 in super capacitor layer, per layer capacitance layer
3 are equipped with two super-capacitor modules 5, each capacitance module clear height 202mm, including each mounting bar frame away from 8 side of the first cabinet door
Afterwards, 260mm is not higher than per layer height, total height is less than 1600mm, and capacitor layers 3 are equipped with close to 8 side of the first cabinet door and super capacitor
The capacitor voltage equalizing submodule 10 that module 5 matches；Each super-capacitor module 5 is composed in parallel by multiple super capacitors, super capacitor
Module 5 is serially connected；Capacitor voltage equalizing submodule 10 is dissipated by EE42 transformers, DSA90C200 Schottky diodes and East Asia DY-SU
Hot device composition, side are loaded on intermediate hierarchical supporting plate, module size：Wide 76mm* long 120mm* depths 120mm；
In switching device layer 2 line disconnecting switch, line contactor, preliminary filling electrical contact are equipped with close to 9 side of the second cabinet door
Device, discharge contactor, capacitor voltage equalizing mainboard, is equipped with the electric discharge electricity of super capacitor in switching device layer 2 away from 9 side of the second cabinet door
Resistance, the size of resistance box is width 410* long 680* depths 170mm；2 top plate of switching device layer is equipped with wind turbine 7；Capacitor voltage equalizing mainboard
It is made of BUCK, half-bridge, MCU, protection synthesis and CAN communication, capacitor voltage equalizing motherboard size is less than：Wide 350* long 350* are deep
75mm。
The disconnecting switch of line disconnecting switch selection model EX9MD2B, line disconnecting switch are provided with lengthening rotation hand
Handle is interlocked with cabinet door, for ensureing that line disconnecting switch is off while opening the door, the model line disconnecting switch
Degree of protection reaches IP40, and use environment temperature is -40 DEG C~70 DEG C, and uses connection mode as shown in Figure 5, ensures super
The positive and negative endpoint of level capacitance all departs from converter, ensures personal safety.
Line contactor, pre-charge contactor select the NEV series D.C. contactors that Nuo Yake companies produce, and circuit connects
Tentaculum model NEVN620025, pre-charge contactor model NEVN61025.The contactor electric life reaches 100,000 times, fortune
Trip temperature is -40 DEG C~60 DEG C, and degree of protection reaches IP54, commutating without arcing, physical isolation, securely and reliably.
Super capacitor capacity selection principle of the present invention：
A. the DC bus-bar voltage when maximum voltage of ultracapacitor group should be slightly below zero load, because being put in super capacitor
Boost operating modes are operated in when electric, if the brownout of super capacitor, then duty cycle when being controlled for Boost will
Ask very high.So in order to leave allowance to two-way DC/DC converter designs, the maximum voltage of super capacitor should meet the pact of following formula
Beam relation.
Uscmax≤Udc
B. the terminal voltage excursion of super capacitor is the 50%~100% of maximum voltage, that is, can store and utilize
Energy be gross energy 75%, and this change be also super capacitor soc (charged state state of charge) change
Scope, that is, meet following constraint：
0.5Uscmax≤Usc≤Uscmax
0.25≤SOC≤1
C. train energy of capacitance in regenerative braking time t should meet the constraint of following formula.
According to above principle, super capacitor capability value is calculated：
Umin=0.5 × Umax
Capacitance series connection number n and number m in parallel:
According to above principle, the structure and capacity of super capacitor energy storage device are designed.Within the 20s times of train braking,
Energy storage device average absorption power is 100kW：
The energy always absorbed is：
Super capacitor energy storage device ceiling voltage：
Uscmax=550V
It can then draw super capacitor capacitance：
Capacitance connection in series-parallel number：
The present invention use 216 super capacitors, one 48V super-capacitor module of every 18 super capacitors composition, totally 12
48V super-capacitor modules connect to form super capacitor module.
Electric voltage equalization between super-capacitor module 5 adds full-bridge two-stage type electric voltage equalization topological using Buck, in real time may be used
Control euqalizing current, there is provided overcurrent protection, without monitoring super-capacitor module voltage, realizes balancing energy automatically.
As shown in figure 4, two-stage type voltage balance circuit operation principle：Prime Buck circuits can be right by adjusting duty cycle
Inductive current is adjusted and controls；It is 0.5 that it is constant, which to work in duty cycle, for rear class full-bridge circuit, by transformer secondary rectification,
Since primary voltage of transformer is connect by secondary the minimum voltage nip of super capacitor group, euqalizing current is to the super electricity of minimum voltage
Flowed into molar block, when the super capacitor group voltage of minimum voltage rises to it is identical with the super capacitor of time minimum voltage when, two
A super capacitor group divides equally euqalizing current, finally makes the super capacitor group voltage of all series connection equal.
Assuming that prime Buck circuit inductances current work is in continuous mode, electric current IL, then equalizing circuit input current put down
Average is D*IL, and D is prime Buck switching tube duty cycles, is k*IL by transformer secondary rectified current, and k becomes for transformer
Than.
Assuming that module C1~Cn is since capacitance is different in charging process, and the sections in series module of brownout, by
In the presence for having equalizing circuit, its charging current changes, and its capacitance voltage is increased with phase same rate, (i=1,2 ... n) are mi
Euqalizing current ratio shared by each super capacitor group, then：
mi＜ 1, and
Monomer super capacitor capacitance is 2000F, there is 18 super capacitor series connection in each 48V super capacitor groups, specified
Capacity is 167F, and capacity dispersion degree is [- 5% ,+20%], and voltage build-up rate is identical in C1~Cn modules：
With reference to miRelation, it can be deduced that：
For capacitance Cn+1~CN (N=13), the voltage build-up rate of super capacitor group is related with the capacitance of itself：
If it is desired to which all super-capacitor voltages are equal, voltage build-up rate must is fulfilled for requiring：
Therefore, when inductive current IL meets following equalities, but all super capacitor group voltages are made in charging process
Reach balance, and assume that 13 groups of super capacitor capacitance deviations are evenly distributed in the range of [- 5% ,+20%]：
For prime Buck circuit duty cycle D, in order to reduce inductive current ripple, design duty cycle is attached in D=0.8
Closely：
(Ud is transformer secondary diode drop)
Obtain transformer voltage ratio：K=10.1.
Substitute into the formula that inductive current needs meet, obtain：
IL≥2.27A。
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of super capacitor cabinet, it is characterised in that including cabinet (1), cabinet (1) includes upper cover plate, bottom plate and connection upper cover
Three blocks of dismountable side plates of plate and bottom plate, cabinet (1) is interior to be equipped with super capacitor layer and switching device layer (2), super capacitor layer
Equipped with first cabinet door (8) hinged with cabinet (1), switching device layer (2) is equipped with second cabinet door (9) hinged with cabinet (1), the
Two cabinet doors (9) are equipped with the indicator light (6) of display cabinet state；Switching device layer (2) is located above super capacitor layer；
Super capacitor layer is separated into multi-layer capacity layer (3) equipped with multiple mounting bar framves (4) in super capacitor layer, per layer capacitance layer
(3) two super-capacitor modules (5) are equipped with away from the first cabinet door (8) side, capacitor layers (3) are set close to the first cabinet door (8) side
There is the capacitor voltage equalizing submodule (10) to match with super-capacitor module (5)；Each super-capacitor module (5) is by multiple super capacitors
Compose in parallel, super-capacitor module (5) is serially connected；Capacitor voltage equalizing submodule (10) is by EE42 transformers, DSA90C200 Xiao Te
Based diode and East Asia DY-SU radiators composition, side is loaded on intermediate hierarchical supporting plate；Voltage between super-capacitor module (5)
It is balanced to add full-bridge two-stage type electric voltage equalization topological using Buck, for real-time controllable euqalizing current, there is provided overcurrent protection, without prison
Super-capacitor module voltage is surveyed, realizes balancing energy automatically；
In switching device layer (2) line disconnecting switch, line contactor, preliminary filling electrical contact are equipped with close to the second cabinet door (9) side
Device, discharge contactor, capacitor voltage equalizing mainboard, and putting for super capacitor is equipped with away from the second cabinet door (9) side in switching device layer (2)
Resistance；Switching device layer (2) top plate is equipped with wind turbine (7)；Capacitor voltage equalizing mainboard is by BUCK, half-bridge, MCU, protection are comprehensive and
CAN communication forms.
2. super capacitor cabinet according to claim 1, it is characterised in that line disconnecting switch selection model EX9MD2B
Disconnecting switch, line disconnecting switch is provided with lengthening rotation handle and cabinet door and interlocks, for ensureing circuit while opening the door
Disconnecting switch is off.
3. super capacitor cabinet according to claim 1, it is characterised in that line contactor selection model NEVN620025
D.C. contactor.
4. super capacitor cabinet according to any one of claim 1-3, it is characterised in that pre-charge contactor selects model
For NEVN61025 D.C. contactors.
5. super capacitor cabinet according to any one of claim 1-3, it is characterised in that the width of capacitor voltage equalizing submodule
Degree, length, depth ratio 19:30:30.
6. super capacitor cabinet according to any one of claim 1-3, it is characterised in that the width of capacitor voltage equalizing mainboard,
Length, depth ratio are less than 14:14:3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510342016.5A CN105161985B (en) | 2015-06-18 | 2015-06-18 | A kind of super capacitor cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510342016.5A CN105161985B (en) | 2015-06-18 | 2015-06-18 | A kind of super capacitor cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105161985A CN105161985A (en) | 2015-12-16 |
| CN105161985B true CN105161985B (en) | 2018-04-24 |
Family
ID=54802782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510342016.5A Expired - Fee Related CN105161985B (en) | 2015-06-18 | 2015-06-18 | A kind of super capacitor cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105161985B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106230059A (en) * | 2016-08-29 | 2016-12-14 | 苏州腾冉电气设备股份有限公司 | A kind of super capacitor energy-storage cabinet |
| CN108254638B (en) * | 2017-10-14 | 2020-03-03 | 刘珍国 | Capacitance state indicator convenient to disassemble and assemble |
| CN112078369A (en) * | 2020-08-06 | 2020-12-15 | 宁波中车新能源科技有限公司 | Regenerative braking energy feedback device for urban rail transit train |
| CN112078370B (en) * | 2020-08-06 | 2022-05-03 | 宁波中车新能源科技有限公司 | Regenerative braking energy feedback system for urban rail transit train |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201796739U (en) * | 2010-07-09 | 2011-04-13 | 江麓机电科技有限公司 | Novel super capacitor system applied to hybrid power excavator |
| ITTO20110769A1 (en) * | 2011-08-12 | 2013-02-13 | Magneti Marelli Spa | DEVICE AND DISCHARGE METHOD FOR A CONDENSER IN AN ELECTRIC POWER PLANT OF A VEHICLE WITH ELECTRIC TRACTION |
| CN203800385U (en) * | 2014-05-13 | 2014-08-27 | 宁波南车城市轨道交通装备有限公司 | Super capacitor cabinet |
| CN103991455A (en) * | 2014-05-29 | 2014-08-20 | 株洲今朝轨道电气有限公司 | Special vehicle-mounted locomotive power supply device |
-
2015
- 2015-06-18 CN CN201510342016.5A patent/CN105161985B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN105161985A (en) | 2015-12-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104350001B (en) | Elevator system with power storage device | |
| JP6717826B2 (en) | Electric power supply and energy harvesting auxiliary system for electric vehicle and method of operating the power supply and energy harvesting auxiliary system | |
| Rufer et al. | A supercapacitor-based energy-storage system for elevators with soft commutated interface | |
| CN105680525B (en) | A kind of charging vehicle power supply system and its control method based on mixing bus | |
| CN105161985B (en) | A kind of super capacitor cabinet | |
| CN204547805U (en) | Based on the accumulation energy type regenerative braking energy reclaiming system of super capacitor | |
| CN104802646A (en) | Method and system for recovering regenerative brake energy of energy storage type urban rail based on supercapacitor | |
| CN104333038A (en) | Method and device for recovering mixed regenerative energy of urban railway power supply system | |
| Konishi et al. | Fixed energy storage technology applied for DC electrified railway | |
| CN103311950A (en) | Urban rail train regenerative brake energy absorbing and using system and method | |
| CN204928282U (en) | Integrated isolation control cabinet that charges | |
| CN108448700B (en) | Hybrid energy storage device, system and control method of hoisting system | |
| Mir et al. | A supercapacitor based light rail vehicle: system design and operations modes | |
| CN105610190B (en) | Rail traffic vehicles renewable sources of energy feedback comprehensive utilization device and system | |
| Moghbeli et al. | Design and simulation of hybrid electrical energy storage (HEES) for Esfahan urban railway to store regenerative braking energy | |
| CN105425071A (en) | Testing platform of super-capacitance energy storage apparatus and testing method thereof | |
| Cheng et al. | Fast-swap charging: An improved operation mode for catenary-free light rail networks | |
| Parise et al. | Near zero energy load systems: The special case of port cranes | |
| CN106451719B (en) | Permanent-magnetic switching super capacitor control box | |
| CN102522814A (en) | Wind-solar hybrid distribution type generating set | |
| CN102372198B (en) | Control device for elevator | |
| CN109720220B (en) | Electric vehicle distributed power supply system and operation method | |
| Morita et al. | Verification tests of electric double-layer capacitors for static energy storage system in DC electrified railway | |
| Joy et al. | A multi-point Bidirectional Contactless Charging System in a charging station suitable for EVs and PHEVs applications | |
| Kumar et al. | Investigation on recuperation of regenerative braking energy using ESS in (Urban) rail transit system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190909 Address after: 230000 Room 1176, South Building, 19 Tianzhi Road, Hefei High-tech Zone, Anhui Province Patentee after: Anhui Yuncon Information Technology Co., Ltd. Address before: 230000 A 205, National University Science Park, 602 Mount Huangshan Road, Hefei hi tech Zone, Anhui, China Patentee before: ANHUI SKY EYE INTELLIGENT TECHNOLOGY CO., LTD. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180424 Termination date: 20200618 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |