CN204315340U - With the main transformer on-line regeneration respirator of Wireless remote control microwave heating equipment - Google Patents
With the main transformer on-line regeneration respirator of Wireless remote control microwave heating equipment Download PDFInfo
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- CN204315340U CN204315340U CN201520006126.XU CN201520006126U CN204315340U CN 204315340 U CN204315340 U CN 204315340U CN 201520006126 U CN201520006126 U CN 201520006126U CN 204315340 U CN204315340 U CN 204315340U
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- Prior art keywords
- main transformer
- moisture absorption
- absorption tank
- wave conduit
- operated valve
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- Expired - Fee Related
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 28
- 230000008929 regeneration Effects 0.000 title claims abstract description 14
- 238000011069 regeneration method Methods 0.000 title claims abstract description 14
- 238000010521 absorption reaction Methods 0.000 claims abstract description 64
- 239000003230 hygroscopic agent Substances 0.000 claims abstract description 32
- 230000000241 respiratory effect Effects 0.000 claims abstract description 18
- 230000001050 lubricating effect Effects 0.000 claims description 17
- 239000011521 glass Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000002845 discoloration Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 6
- 229920006395 saturated elastomer Polymers 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 5
- 238000003912 environmental pollution Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 11
- 230000029058 respiratory gaseous exchange Effects 0.000 description 9
- 230000001681 protective effect Effects 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 239000000741 silica gel Substances 0.000 description 4
- 229910002027 silica gel Inorganic materials 0.000 description 4
- 238000001035 drying Methods 0.000 description 3
- 238000013019 agitation Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000001131 transforming effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003906 humectant Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 235000012736 patent blue V Nutrition 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The utility model relates to a kind of main transformer on-line regeneration respirator with Wireless remote control microwave heating equipment, comprise main transformer body and connected conservator, described conservator top is connected with a main transformer respiratory siphon, the lower end of main transformer respiratory siphon is connected with a three-way pipe, the remaining two ends of three-way pipe are connected to the first moisture absorption tank and the second moisture absorption tank through the first electromagnetically operated valve and the second electromagnetically operated valve respectively, first moisture absorption tank and the second moisture absorption tank are connected to microwave heating equipment, first electromagnetically operated valve, second electromagnetically operated valve and microwave heating equipment are all electrically connected at a wireless remote control system.The utility model solve traditional main transformer respirator hygroscopic agent moisture absorption is saturated lost efficacy time need manually to around be covered with high voltage equipment main transformer respirator place carry out the work of replacing hygroscopic agent, the security of operation of powerful guarantee staff personal safety and main transformer equipment, it also avoid traditional main transformer respirator simultaneously and is changing waste and the environmental pollution of human and material resources in hygroscopic agent process.
Description
Technical field
The utility model design main transformer on-line regeneration respirator field, particularly a kind of main transformer on-line regeneration respirator with Wireless remote control microwave heating equipment.
Background technology
Main transformer is in operation, and can produce respiration by respiratory siphon and outside air, and as on respiratory siphon, nothing installs respirator, main transformer directly sucks extraneous humid air, more easily makes main transformer make moist especially in rainy day and high humidity weather.Tradition main transformer respiration apparatus is built with discolour silica gel hygroscopic agent, when its hygroscopic agent discolour silica gel moisture absorption is saturated, the work of replacing hygroscopic agent is carried out at the main transformer scene that the hygroscopic agent needing staff to carry qualified drying or the moisture absorption tank installing qualified hygroscopic agent are covered with high-tension electricity to surrounding, in Renewal process, main transformer respiratory siphon directly communicates with ambient atmosphere, main transformer respiratory air flow can be caused to change, the catastrophe failure of the heavy watt malfunction of main transformer Buchholz relay may be caused, therefore traditional main transformer respiration apparatus just can carry out after heavy for a main transformer watt protective device must being exited when changing adsorbent, disengaging time reaches 3-4 hour.
A heavy watt protection is that main transformer runs one of most important protective device; when there is in contingency the fault producing oil stream or gas shock in main transformer; heavy watt of Buchholz relay can action; main transformer switch is tripped; the further expansion of Accident prevention, now heavy watt as exited, and can not cut off main transformer switch; cause fault spread, even cause the serious consequence that main transformer explodes.Moving back heavy watt protective device need after unit one belongs to chief engineer approval, is operated by operations staff's transformer station's master-control room of making a special trip to a certain place, work consuming, consuming time and expend a lot of.
The shortcoming of tradition main transformer respiration apparatus is, when changing discolour silica gel, after unloading moisture absorption tank, main transformer respiratory air flow directly communicates with ambient atmosphere, make moisture, moisture easily breathe connecting leg by main transformer to invade in main transformer oil, and change hygroscopic agent and can cause waste, simultaneously also easy contaminated environment.
Summary of the invention
In view of this, the purpose of this utility model is to provide a kind of main transformer on-line regeneration respirator with Wireless remote control microwave heating equipment, the security of operation of powerful guarantee staff personal safety and main transformer equipment, it also avoid traditional main transformer respirator simultaneously and is changing waste and the environmental pollution of human and material resources in hygroscopic agent process.
The utility model adopts following scheme to realize: a kind of main transformer on-line regeneration respirator with Wireless remote control microwave heating equipment, comprise main transformer body and connected conservator, described conservator top is connected with the upper end of a main transformer respiratory siphon, the lower end of described main transformer respiratory siphon is connected with a three-way pipe, the remaining two ends of described three-way pipe are connected to the first moisture absorption tank and the second moisture absorption tank through the first electromagnetically operated valve and the second electromagnetically operated valve respectively, the first described moisture absorption tank and the second moisture absorption tank are connected to microwave heating equipment, the first described electromagnetically operated valve, second electromagnetically operated valve and described microwave heating equipment are all electrically connected at a wireless remote control system, described wireless remote control system comprises a remote circuit control signal reflector and is arranged at the first electromagnetically operated valve remote keying K1, the second electromagnetically operated valve remote keying K2 on described remote circuit control signal reflector, waveguide electromagnetic switching device switched conductive first wave conduit remote keying K3, waveguide electromagnetic switching device switched conductive Second Wave conduit remote keying K4 and microwave generator remote keying K5, described wireless remote control system also comprises the remote camera be arranged at for hygroscopic agent discoloration in remote reviewing moisture absorption tank near 2 moisture absorption tanks, described remote camera by the mode of wireless telecommunications by captured video information transmission in transformer station's master-control room, described microwave heating equipment comprises microwave generator, waveguide electromagnetic switching device, first wave conduit and Second Wave conduit, described first wave conduit and Second Wave conduit are connected to the top of the first moisture absorption tank and the second moisture absorption tank respectively, and stretching into the inside of the first moisture absorption tank and the second moisture absorption tank, described first wave conduit and the other end of Second Wave conduit are all connected to described microwave generator through described waveguide electromagnetic switching device.
Further, described first moisture absorption tank and the second moisture absorption tank include a tank body and a lubricating cup, described lubricating cup is connected with tank base, described lubricating cup is built with transformer oil, changeable colour hygroscopic agent is housed in described tank body, and described tank base offers a pneumostome, and described pneumostome is embedded with a filter screen, described pneumostome lower end is connected with a connecting pipe, described communicating pipe lower end stretch into transformer oil in described lubricating cup to form oil sealing; An air gap is provided with, the part moisture of entrained with and dust when sucking external air flow in order to main transformer body described in filtering between described lubricating cup top and tank base.
Further, the tank body of described first moisture absorption tank and the second moisture absorption tank is that inside accompanies shield microwaves and to leak the glass infuser of wire netting.
Further, described wireless remote control system also comprises the first solenoid control K switch 1 ' with the correspondence first electromagnetically operated valve remote keying K1 receiving remote signal mechanisms, the second solenoid control K switch 2 ' of corresponding second electromagnetically operated valve remote keying K2, the first wave conduit diverter switch K3 ' of corresponding waveguide electromagnetic switching device switched conductive first wave conduit remote keying K3, the corresponding Second Wave conduit diverter switch K4 ' of waveguide electromagnetic switching device switched conductive Second Wave conduit remote keying K4 and the microwave generator control switch K5 ' of corresponding microwave generator remote keying K5, described K1 ' is in order to control the first electromagnetically operated valve, described K2 ' is in order to control the second electromagnetically operated valve, described K3 ' is in order to control wave conduit electromagnetic switching device switched conductive first wave conduit, described K4 ' is in order to control wave conduit electromagnetic switching device switched conductive Second Wave conduit, and described K5 ' is in order to control microwave generator.
Compared with prior art, the present invention can away from around be covered with high voltage equipment main transformer respirator a distant place be applicable to place, carry out remote control operation on-line regeneration main transformer respirator, solve traditional main transformer respiration apparatus hygroscopic agent moisture absorption is saturated lost efficacy time need manually to around be covered with high voltage equipment main transformer respirator place carry out the work of replacing hygroscopic agent, the particularly replacing of remote transforming plant main transformer respirator hygroscopic agent, and also need in Renewal process exit the heavy watt protective device of main transformer and there is the problems such as major safety risks, thus the security of operation of powerful guarantee staff personal safety and main transformer equipment, it also avoid traditional main transformer respirator manpower in replacing hygroscopic agent process simultaneously, the waste of material resources and environmental pollution.Instant invention overcomes main transformer respiratory siphon and ambient atmosphere when unloading moisture absorption tank directly to communicate and extraneous moisture moisture is directly sucked by main transformer respiratory air flow and causes the defect of making moist, thus the safe operation of powerful guarantee main transformer, due to the microwave heating equipment of designed making, use microwave, the inner thermal agitation heating of the hydrone that hygroscopic agent is adsorbed, thus heated, evaporated, dry, therefore there is the better efficiency of heating surface, use safety, the advantage such as energy-saving and cost-reducing, have huge advantage compared with traditional main transformer respiration apparatus.
Accompanying drawing explanation
Fig. 1 is scheme of installation of the present invention.
Fig. 2 is the non-switching state schematic diagram of waveguide electromagnetic switching device of the present invention.
Fig. 3 is waveguide electromagnetic switching device switched conductive first wave guide pipe view of the present invention.
Fig. 4 is waveguide electromagnetic switching device switched conductive Second Wave conduit view of the present invention.
Fig. 5 is moisture absorption tank appearance schematic diagram of the present invention.
Fig. 6 is moisture absorption tank decomposing schematic representation of the present invention.
Fig. 7 is schematic diagram when variable color hygroscopic agent is drying regime in moisture absorption tank of the present invention.
Fig. 8 is variable color hygroscopic agent moisture absorption variable color in moisture absorption tank of the present invention, and the radiation of waveguide launched microwave carries out heat drying operating diagram to hygroscopic agent.
Fig. 9 is control principle block diagram of the present invention.
Figure 10 is remote-control signal transmitter operating diagram of the present invention.
Figure 11 is that the present invention is with Received signal strength device and the first controlled solenoid control loop diagram.
Figure 12 is that the present invention is with Received signal strength device and the second controlled solenoid control loop diagram.
Figure 13 is that the present invention is with receiving remote signal and controlled waveguide switching device shifter first wave conduit switching controls loop diagram.
Figure 14 is that the present invention is with receiving remote signal and controlled waveguide switching device shifter Second Wave conduit switching controls loop diagram.
Figure 15 is that the present invention is with receiving remote signal and controlled microwave generator control loop schematic diagram.
primary clustering symbol description]
in figure:1 is microwave generator, 2 is waveguide electromagnetic switching device, and 3 is first wave conduit, and 4 is the first moisture absorption tank, 5 is the first electromagnetically operated valve, 6 is Second Wave conduit, and 7 is the second moisture absorption tank, and 8 is the second electromagnetically operated valve, 9 is threeway, 10 is main transformer respiratory siphon, and 11 is conservator, and 12 is moisture absorption tank lubricating cup, 13 is lubricating cup inner oil seal, 14 is moisture absorption tank pneumostome, and 15 is aerial respiration gap, and 16 is filter screen, 17 is the special glass cylinder of inner clip shield microwaves wire netting, 18 is variable color hygroscopic agent, and 19 is main transformer body, and 20 is remote camera.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described further.
As shown in Figures 1 to 8, present embodiments provide a kind of main transformer on-line regeneration respirator with Wireless remote control microwave heating equipment, comprise main transformer body 19 and connected conservator 11, described conservator 11 top is connected with the upper end of a main transformer respiratory siphon 10, the lower end of described main transformer respiratory siphon 10 is connected with a three-way pipe 9, the remaining two ends of described three-way pipe 9 are connected to the first moisture absorption tank 4 and the second moisture absorption tank 7 through the first electromagnetically operated valve 5 and the second electromagnetically operated valve 8 respectively, the first described moisture absorption tank 4 and the second moisture absorption tank 7 are connected to microwave heating equipment, the first described electromagnetically operated valve 5, second electromagnetically operated valve 8 and described microwave heating equipment are all electrically connected at a wireless remote control system, as shown in Fig. 9 to Figure 15, described wireless remote control system comprises a remote circuit control signal reflector and is arranged at the first electromagnetically operated valve remote keying K1, the second electromagnetically operated valve remote keying K2 on described remote circuit control signal reflector, waveguide electromagnetic switching device switched conductive first wave conduit remote keying K3, waveguide electromagnetic switching device switched conductive Second Wave conduit remote keying K4 and microwave generator remote keying K5, described wireless remote control system also comprises the remote camera 20 be arranged at for hygroscopic agent discoloration in remote reviewing moisture absorption tank near 2 moisture absorption tanks, described remote camera 20 by the mode of wireless telecommunications by captured video information transmission in transformer station's master-control room, described microwave heating equipment comprises microwave generator 1, waveguide electromagnetic switching device 2, first wave conduit 3 and Second Wave conduit 6, described first wave conduit 3 and Second Wave conduit 6 are connected to the top of the first moisture absorption tank 4 and the second moisture absorption tank 7 respectively, and stretching into the inside of the first moisture absorption tank 4 and the second moisture absorption tank 7, described first wave conduit 3 is all connected to described microwave generator 1 through described waveguide electromagnetic switching device 2 with the other end of Second Wave conduit 6.
In the present embodiment, described first moisture absorption tank 4 and the second moisture absorption tank 7 include a tank body and a lubricating cup 12, described lubricating cup 12 is connected with tank base, described lubricating cup 12 is built with transformer oil, changeable colour hygroscopic agent 18 is housed in described tank body, and hygroscopic agent 18 described in the present embodiment is discolour silica gel, is sky blue when it is dry, change pink into after moisture absorption is saturated, humectant material also can be the hygroscopic agent of other applicable material.Described tank base offers a pneumostome 14, and described pneumostome 14 is embedded with a filter screen 16, and described pneumostome 14 lower end is connected with a connecting pipe, described communicating pipe lower end stretch into transformer oil in described lubricating cup 12 to form oil sealing 13; An air gap 15 is provided with, the part moisture of entrained with and dust when sucking external air flow in order to main transformer body described in filtering between described lubricating cup 12 top and tank base.
In the present embodiment, the tank body of described first moisture absorption tank 4 and the second moisture absorption tank 7 is that inside accompanies shield microwaves and to leak the glass infuser 17 of wire netting.
In the present embodiment, described wireless remote control system also comprises the first solenoid control K switch 1 ' with the correspondence first electromagnetically operated valve remote keying K1 receiving remote signal mechanisms, the second solenoid control K switch 2 ' of corresponding second electromagnetically operated valve remote keying K2, the first wave conduit diverter switch K3 ' of corresponding waveguide electromagnetic switching device switched conductive first wave conduit remote keying K3, the corresponding Second Wave conduit diverter switch K4 ' of waveguide electromagnetic switching device switched conductive Second Wave conduit remote keying K4 and the microwave generator control switch K5 ' of corresponding microwave generator remote keying K5, described K1 ' is in order to control the first electromagnetically operated valve 5, described K2 ' is in order to control the second electromagnetically operated valve 8, described K3 ' is in order to control wave conduit electromagnetic switching device switched conductive first wave conduit 3, described K4 ' in order to control wave conduit electromagnetic switching device switched conductive Second Wave conduit 6, described K5 ' in order to control microwave generator 1.
Compared with prior art, the utility model can away from around be covered with high voltage equipment main transformer respirator a distant place be applicable to place, carry out remote control operation on-line regeneration main transformer respirator, solve traditional main transformer respiration apparatus hygroscopic agent moisture absorption is saturated lost efficacy time need manually to around be covered with high voltage equipment main transformer respirator place carry out the work of replacing hygroscopic agent, the particularly replacing of remote transforming plant main transformer respirator hygroscopic agent, and also need in Renewal process exit the heavy watt protective device of main transformer and there is the problems such as major safety risks, thus the security of operation of powerful guarantee staff personal safety and main transformer equipment, it also avoid traditional main transformer respirator manpower in replacing hygroscopic agent process simultaneously, the waste of material resources and environmental pollution.The utility model overcomes main transformer respiratory siphon and ambient atmosphere when unloading moisture absorption tank and directly communicates and extraneous moisture moisture is directly sucked by main transformer respiratory air flow and causes the defect of making moist, thus the safe operation of powerful guarantee main transformer, due to the microwave heating equipment of designed making, use microwave, the inner thermal agitation heating of the hydrone that hygroscopic agent is adsorbed, thus heated, evaporated, dry, therefore there is the better efficiency of heating surface, use safety, the advantage such as energy-saving and cost-reducing, have huge advantage compared with traditional main transformer respiration apparatus.
It is worth mentioning that, to these are only in the utility model embodiment a preferably embodiment.But the utility model is not limited to above-mentioned embodiment, all any equalizations done by the utility model scheme change and modify, and when the function produced does not exceed the scope of this programme, all belong to protection range of the present utility model.
Claims (4)
1. the main transformer on-line regeneration respirator with Wireless remote control microwave heating equipment, comprise main transformer body and connected conservator, described conservator top is connected with the upper end of a main transformer respiratory siphon, it is characterized in that: the lower end of described main transformer respiratory siphon is connected with a three-way pipe, the remaining two ends of described three-way pipe are connected to the first moisture absorption tank and the second moisture absorption tank through the first electromagnetically operated valve and the second electromagnetically operated valve respectively, the first described moisture absorption tank and the second moisture absorption tank are connected to microwave heating equipment, the first described electromagnetically operated valve, second electromagnetically operated valve and described microwave heating equipment are all electrically connected at a wireless remote control system, described wireless remote control system comprises a remote circuit control signal reflector and is arranged at the first electromagnetically operated valve remote keying K1, the second electromagnetically operated valve remote keying K2 on described remote circuit control signal reflector, waveguide electromagnetic switching device switched conductive first wave conduit remote keying K3, waveguide electromagnetic switching device switched conductive Second Wave conduit remote keying K4 and microwave generator remote keying K5, described wireless remote control system also comprises the remote camera be arranged at for hygroscopic agent discoloration in remote reviewing moisture absorption tank near 2 moisture absorption tanks, described remote camera by the mode of wireless telecommunications by captured video information transmission in transformer station's master-control room, described microwave heating equipment comprises microwave generator, waveguide electromagnetic switching device, first wave conduit and Second Wave conduit, described first wave conduit and Second Wave conduit are connected to the top of the first moisture absorption tank and the second moisture absorption tank respectively, and stretching into the inside of the first moisture absorption tank and the second moisture absorption tank, described first wave conduit and the other end of Second Wave conduit are all connected to described microwave generator through described waveguide electromagnetic switching device.
2. a kind of main transformer on-line regeneration respirator with Wireless remote control microwave heating equipment according to claim 1, it is characterized in that: described first moisture absorption tank and the second moisture absorption tank include a tank body and a lubricating cup, described lubricating cup is connected with tank base, described lubricating cup is built with transformer oil, changeable colour hygroscopic agent is housed in described tank body, described tank base offers a pneumostome, described pneumostome is embedded with a filter screen, described pneumostome lower end is connected with a connecting pipe, described communicating pipe lower end stretch into transformer oil in described lubricating cup to form oil sealing; An air gap is provided with, the part moisture of entrained with and dust when sucking external air flow in order to main transformer body described in filtering between described lubricating cup top and tank base.
3. a kind of main transformer on-line regeneration respirator with Wireless remote control microwave heating equipment according to claim 1, is characterized in that: the tank body of described first moisture absorption tank and the second moisture absorption tank is that inside accompanies shield microwaves and to leak the glass infuser of wire netting.
4. a kind of main transformer on-line regeneration respirator with Wireless remote control microwave heating equipment according to claim 1, it is characterized in that: described wireless remote control system also comprises the first solenoid control K switch 1 ' with the correspondence first electromagnetically operated valve remote keying K1 receiving remote signal mechanisms, the second solenoid control K switch 2 ' of corresponding second electromagnetically operated valve remote keying K2, the first wave conduit diverter switch K3 ' of corresponding waveguide electromagnetic switching device switched conductive first wave conduit remote keying K3, the corresponding Second Wave conduit diverter switch K4 ' of waveguide electromagnetic switching device switched conductive Second Wave conduit remote keying K4 and the microwave generator control switch K5 ' of corresponding microwave generator remote keying K5, described K1 ' is in order to control the first electromagnetically operated valve, described K2 ' is in order to control the second electromagnetically operated valve, described K3 ' is in order to control wave conduit electromagnetic switching device switched conductive first wave conduit, described K4 ' is in order to control wave conduit electromagnetic switching device switched conductive Second Wave conduit, and described K5 ' is in order to control microwave generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520006126.XU CN204315340U (en) | 2015-01-07 | 2015-01-07 | With the main transformer on-line regeneration respirator of Wireless remote control microwave heating equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520006126.XU CN204315340U (en) | 2015-01-07 | 2015-01-07 | With the main transformer on-line regeneration respirator of Wireless remote control microwave heating equipment |
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| Publication Number | Publication Date |
|---|---|
| CN204315340U true CN204315340U (en) | 2015-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520006126.XU Expired - Fee Related CN204315340U (en) | 2015-01-07 | 2015-01-07 | With the main transformer on-line regeneration respirator of Wireless remote control microwave heating equipment |
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| CN (1) | CN204315340U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104485205A (en) * | 2015-01-07 | 2015-04-01 | 国家电网公司 | Main transformer online regenerative breathing apparatus provided with wireless remote control microwave heating device and use method |
-
2015
- 2015-01-07 CN CN201520006126.XU patent/CN204315340U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104485205A (en) * | 2015-01-07 | 2015-04-01 | 国家电网公司 | Main transformer online regenerative breathing apparatus provided with wireless remote control microwave heating device and use method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20150506 Termination date: 20220107 |