CN211896460U - Medical direct drinking water softening and purifying system - Google Patents
Medical direct drinking water softening and purifying system Download PDFInfo
- Publication number
- CN211896460U CN211896460U CN202020284702.8U CN202020284702U CN211896460U CN 211896460 U CN211896460 U CN 211896460U CN 202020284702 U CN202020284702 U CN 202020284702U CN 211896460 U CN211896460 U CN 211896460U
- Authority
- CN
- China
- Prior art keywords
- water
- electromagnetic valve
- softener
- tank
- softening
- 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
- 235000020188 drinking water Nutrition 0.000 title claims abstract description 21
- 239000003651 drinking water Substances 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 244
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 17
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000008234 soft water Substances 0.000 claims description 40
- 239000002351 wastewater Substances 0.000 claims description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 150000003839 salts Chemical class 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 13
- 238000000746 purification Methods 0.000 abstract description 9
- 238000009434 installation Methods 0.000 abstract description 2
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 230000008929 regeneration Effects 0.000 description 6
- 238000011069 regeneration method Methods 0.000 description 6
- 238000001914 filtration Methods 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 5
- 230000001954 sterilising effect Effects 0.000 description 3
- 238000004659 sterilization and disinfection Methods 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000700605 Viruses Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000002458 infectious effect Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Images
Abstract
The utility model discloses a medical direct drinking water softening and purifying system, including raw water pump, overflow formula ultraviolet sterilizer, multi-media filter, active carbon filter, water softener system, safety filter ware, first high-pressure pump, NF system, pure water case, precision filter, oxygenerator, ozone generator, storage water tank system, the constant voltage water supply installation that communicates through the pipeline in proper order. The utility model provides a pair of medical treatment is directly drunk water and is softened clean system has strengthened the softening and purification performance of quality of water, makes the softening and purifying effect of quality of water more thorough, improves quality of water, further satisfies the use of medical treatment is directly drunk water.
Description
Technical Field
The utility model relates to a hospital water supply equipment technical field, concretely relates to water softening and purifying system is directly drunk in medical treatment.
Background
The water demand of the hospital is great, and the requirement on the water quality is high, and particularly, a safe and convenient large amount of drinking water guarantee is required to be provided for the hospital commuters and patients. Meanwhile, hospitals are places with concentrated diseases, so that germs and infectious viruses are easy to exist, and the guarantee of the safety of drinking water is important. The softening and purifying device in the prior art has incomplete softening and purifying effect on water quality, and cannot better meet the use requirement of direct drinking water in hospitals.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a water softening and purifying system is directly drunk in medical treatment has strengthened the softening and purification performance of quality of water, makes the softening and purifying effect of quality of water more thorough, improves quality of water, further satisfies the use of the water is directly drunk in medical treatment.
(II) technical scheme
In order to solve the technical problem, the utility model provides a following technical scheme: comprises a raw water pump, an ultraviolet sterilizer, a multi-media filter, an activated carbon filter, a water softener system, a security filter, a first high-pressure pump, an NF system, a pure water tank, a precision filter, an oxygen generator, an ozone generator, a water storage tank system and a constant-pressure water supply device which are sequentially communicated through a pipeline; the water softener system comprises a first water softener system and a second water softener system, the first water softener system comprises a first electromagnetic valve, a first water softener, a first soft water tank and a second electromagnetic valve which are connected in sequence, a first water quality sensor is arranged in the first soft water tank, the second water softener system comprises a third electromagnetic valve, a second water softener, a second soft water tank and a fourth electromagnetic valve which are connected in sequence, a second water quality sensor is arranged in the second soft water tank, a fifth electromagnetic valve is connected between the inlet of the first water softener and the outlet of the second soft water tank, a sixth electromagnetic valve is connected between the inlet of the second water softener and the outlet of the first soft water tank, the water storage system comprises a first water storage tank, a seventh electromagnetic valve and a second water storage tank which are connected in sequence, a third water quality sensor is arranged in the first water storage tank, a return water pipe is arranged between the outlet of the first water storage tank and the inlet of the precision filter, the water return pipe is connected with a second high-pressure pump, and the first electromagnetic valve, the second electromagnetic valve, the first water quality sensor, the third electromagnetic valve, the fourth electromagnetic valve, the second water quality sensor, the fifth electromagnetic valve, the sixth electromagnetic valve, the seventh electromagnetic valve, the third water quality sensor and the second high-pressure pump are all electrically connected with the controller.
Preferably, the first water softener system and the second water softener system are arranged in parallel, and the whole-time operation of the softener is ensured by staggered operation, so that the softening effect is further improved.
Preferably, the ultraviolet sterilizer is an overflow ultraviolet sterilizer, so that the high-efficiency sterilization can be realized, secondary pollution to the water body and the surrounding environment can be avoided, and the water body purification effect can be ensured.
Preferably, the first water softener with the second water softener is connected with respectively and dissolves the salt case for the regeneration operation of water softener guarantees the softening effect of water softener.
Preferably, still be equipped with the dense water exit end on the NF system, the dense water exit end links to each other with waste water storage box entrance point, so set up the utilization ratio that can effectively improve water, get up waste water recycle, the water economy resource.
Preferably, waste water storage box exit end even has the waste water to connect, so set up and to be used for places such as bathroom that the requirement for water quality is not high, effectively improve water resource utilization.
Preferably, constant pressure water supply installation exit end even has the drinking water end, so set up more conveniently, drink promptly after opening, further satisfy the user demand of the direct drinking water of hospital.
(III) advantageous effects
Compared with the prior art, the utility model provides a water softening and purifying system is directly drunk in medical treatment possesses following beneficial effect:
(1) the medical direct drinking water softening and purifying system is provided with a water softener system, the water softener system comprises a first water softener system and a second water softener system, the first water softener system comprises a first electromagnetic valve, a first water softener, a first soft water tank and a second electromagnetic valve which are connected in sequence, a first water quality sensor is arranged in the first soft water tank, the second water softener system comprises a third electromagnetic valve, a second water softener, a second soft water tank and a fourth electromagnetic valve which are connected in sequence, a second water quality sensor is arranged in the second soft water tank, a fifth electromagnetic valve is connected between an inlet of the first water softener and an outlet of the second soft water tank, an inlet of the second water softener and an outlet of the first soft water tank are connected with a sixth electromagnetic valve, the first water softener system and the second water softener system are connected in parallel, the water hardness in the soft water tank is detected through the water quality sensor, the water quality with unqualified hardness is sent to another soft water system for softening treatment, meanwhile, the water softener system which generates unqualified water quality hardness is subjected to regeneration operation, so that the softener is kept to operate in a full time period, the water quality softening effect is ensured, and the water softening quality is improved;
(2) the medical direct drinking water softening and purifying system is provided with a water storage tank body system, the water storage system comprises a first water storage tank, a seventh electromagnetic valve and a second water storage tank which are sequentially connected, a third water quality sensor is arranged in the first water storage tank, a water return pipe is arranged between the outlet of the first water storage tank and the inlet of a precision filter, a second high-pressure pump is connected to the water return pipe, the water quality purification degree in the first water storage tank is detected through the water quality sensor, qualified water quality is sent into the second water storage tank for drinking water use, unqualified water quality is sent into the precision filter through the second high-pressure pump for re-purification and filtration, so that the water source is thoroughly purified, and the water quality purification;
(3) the medical direct drinking water softening and purifying system is provided with a controller, and the first electromagnetic valve, the second electromagnetic valve, the first water quality sensor, the third electromagnetic valve, the fourth electromagnetic valve, the second water quality sensor, the fifth electromagnetic valve, the sixth electromagnetic valve, the seventh electromagnetic valve, the third water quality sensor and the second high-pressure pump are electrically connected with the controller, so that automatic control is realized, manual operation is reduced, and labor cost is reduced;
(4) the utility model discloses strengthen the softening and purification performance of quality of water, made the softening and purifying effect of quality of water more thorough, improved quality of water, further satisfied the use of medical direct drinking water.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the drawings:
1. a raw water pump; 2. an ultraviolet sterilizer; 3. a multi-media filter; 4. an activated carbon filter; 501. a first solenoid valve; 502. a first water softener; 503. a first soft water tank; 504. a second solenoid valve; 505. a first water quality sensor; 506. a sixth electromagnetic valve; 511 a third solenoid valve; 512. a second water softener; 513. a second soft water tank; 514. a fourth solenoid valve; 515. a second water quality sensor; 516 a fifth solenoid valve; 6. a cartridge filter; 7. a first high pressure pump; 8. a NF system; 9. a pure water tank; 10. a precision filter; 11. an oxygen generator; 12. an ozone generator; 13. a first water storage tank; 14. a second water storage tank; 15. a constant pressure water supply device; 16. a drinking end; 17. a third water quality sensor; 18. a seventh electromagnetic valve; 19. a second high pressure pump; 20. a waste water storage tank; 21. a wastewater joint; 22. a first salt dissolving tank; 23. a second salt dissolving tank; 24. a water return pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, fig. 1 is a schematic structural diagram of the present invention, the present invention provides a medical direct drinking water softening and purifying system, which comprises a raw water pump 1, an ultraviolet sterilizer 2, a multi-media filter 3, an activated carbon filter 4, a water softener system, a security filter 6, a first high pressure pump 7, an NF system 8, a pure water tank 9, a precision filter 10, an oxygen generator 11, an ozone generator 12, a water storage tank system 13, and a constant pressure water supply device 15, which are sequentially communicated through a pipeline; the water softener system comprises a first water softener system and a second water softener system, the first water softener system comprises a first electromagnetic valve 501, a first water softener 502, a first soft water tank 503 and a second electromagnetic valve 504 which are connected in sequence, a first water quality sensor 505 is arranged in the first soft water tank 503, the second water softener system comprises a third electromagnetic valve 511, a second water softener 512, a second soft water tank 513 and a fourth electromagnetic valve 514 which are connected in sequence, a second water quality sensor 515 is arranged in the second soft water tank 512, a fifth electromagnetic valve 516 is connected between the inlet of the first water softener 502 and the outlet of the second soft water tank 513, a sixth electromagnetic valve 506 is connected between the inlet of the second water softener 512 and the outlet of the first soft water tank 503, the water storage system comprises a first water storage tank 13, a seventh electromagnetic valve 18 and a second water storage tank 14 which are connected in sequence, a third water quality sensor 17 is arranged in the first water storage tank 13, a water return pipe 24 is arranged between the outlet of the first water storage tank 13 and the inlet of the precision, the water return pipe 24 is connected with a second high-pressure pump 19, and the first electromagnetic valve 501, the second electromagnetic valve 504, the first water quality sensor 505, the third electromagnetic valve 511, the fourth electromagnetic valve 514, the second water quality sensor 515, the fifth electromagnetic valve 516, the sixth electromagnetic valve 506, the seventh electromagnetic valve 18, the third water quality sensor 17, and the second high-pressure pump 19 are all electrically connected with a controller (not shown in the figure).
When the device is used, a tap water source is connected to the raw water pump 1, the raw water passes through the overflowing ultraviolet sterilizer 2, the multi-medium filter 3 and the activated carbon filter 4 for primary filtration according to 1 time, a primary sterilization effect is achieved, harmful substances such as silt, rust and the like contained in the raw water are removed, and the effects of removing color, taste, residual chlorine and organic matters in the raw water are achieved.
Further, when the water filtered by the activated carbon filter 4 passes through the water softening system, the first electromagnetic valve 501 and the second electromagnetic valve 504 are in an open state, the third electromagnetic valve 511, the fourth electromagnetic valve 514, the fifth electromagnetic valve 516 and the sixth electromagnetic valve 506 are in a closed state, the water flows through the first water softener 502, the first water softener 502 starts softening, the softened water enters the first soft water tank 503, water hardness monitoring is performed through the first water quality sensor 505 in the first soft water tank 503, if the water hardness monitoring is qualified, the water flows through the second electromagnetic valve 504 and enters the security filter 6 for next filtering, if the water hardness monitoring is unqualified, the first water quality sensor 505 transmits a signal to the controller, the controller immediately controls to close the second electromagnetic valve 504 after receiving the signal, and simultaneously controls to open the third electromagnetic valve 511, the fourth electromagnetic valve 514, the controller, A sixth electromagnetic valve 506, so that the water flow in the first soft water tank 503 enters the second soft water tank 512 through the sixth electromagnetic valve 506 for re-softening, and the water flow filtered by the activated carbon filter 4 enters the second soft water system through the third electromagnetic valve 511 for softening treatment, at this time, the first soft water tank 502 and the connected first salt dissolving tank 22 enter the regeneration process, and after the regeneration of the first soft water tank 502 is completed, the controller controls to close the first electromagnetic valve 501; the water flow softened by the second water softener 512 enters the second soft water tank 513, the water hardness is monitored by the second water quality sensor 515 in the second soft water tank 513, if the water hardness is qualified, the water flow enters the cartridge filter 6 through the fourth electromagnetic valve 514 for the next filtration, if the water hardness is not qualified, the second water quality sensor 515 transmits a signal to the controller, the controller immediately controls to close the fourth electromagnetic valve 514 and the sixth electromagnetic valve 506 after receiving the signal, and simultaneously controls to open the first electromagnetic valve 501, the second electromagnetic valve 504 and the fifth electromagnetic valve 516, so that the water flow in the second soft water tank 513 enters the first water softener 502 through the fifth electromagnetic valve 516 for re-softening, the water flow filtered by the activated carbon filter 4 enters the first soft water system through the first electromagnetic valve 501 for softening treatment, and at this time, the second water softener 512 and the connected second salt dissolving tank 23 enter the regeneration process, after the regeneration of the second water softener 512 is completed, the controller controls to close the third electromagnetic valve 511, and the steps are repeated continuously, so that the softener is kept to operate in the full time, the softener is fully regenerated, the water quality is softened more thoroughly, and the water softening quality is improved.
Furthermore, the water flow softened by the soft water system passes through the cartridge filter 6, and the cartridge filter 6 can intercept substances with the size larger than 5 microns in the water to protect the normal operation of the NF system 8; then, water is sent into an NF system 8 through a first high-pressure pump 7, pure water filtered by the NF system 8 enters a pure water tank 9, concentrated water filtered by the NF system 8 enters a wastewater storage tank 20, the wastewater storage tank 20 is connected with a wastewater joint 21, and the device can be used in places such as toilets and the like which have low requirements on water quality, and the utilization rate of water resources is improved; the water from the pure water tank 9 is further purified by filtration, fresh-keeping oxygen-enriched treatment and sterilization treatment of a precision filter 10, an oxygen generator 11 and an ozone generator 12.
Further, the water from the ozone generator 12 flows into the first water tank 13, at this time, the seventh electromagnetic valve 18 is in an open state, the second high-pressure pump 19 is in a stop state, the water quality is monitored by the third water quality sensor 17 in the first water tank 13, if the water quality monitoring is qualified, the water flows through the seventh electromagnetic valve 18 into the second water tank 14, then flows into the drinking water end 16 through the constant-pressure water supply device 15, and can be directly drunk through the drinking water end 16, if the water quality monitoring is unqualified, the third water quality sensor 17 transmits a signal to the controller, the controller receives the signal and immediately controls the seventh electromagnetic valve 18 to close, and simultaneously opens the second high-pressure pump 19, the second high-pressure pump 19 sends the water flow to the precision filter 10 through the water return pipe 24 for secondary purification, so that the water source is thoroughly purified, the water quality purification effect is further improved, and because the water is stored in the second water tank 14, can be drunk, and ensures the water supply effect.
The first water quality sensor 505 and the second water quality sensor 515 may adopt sensors with hardness detection function, the third water quality sensor 17 may adopt sensors such as a turbidity sensor, a dissolved oxygen sensor, a residual chlorine sensor, a COD sensor, a PH sensor, and an ORP sensor, and the embodiment does not limit the concrete representation entity of the second water quality sensor 17.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A medical direct drinking water softening and purifying system is characterized by comprising a raw water pump, an ultraviolet sterilizer, a multi-medium filter, an activated carbon filter, a water softener system, a security filter, a first high-pressure pump, an NF system, a pure water tank, a precision filter, an oxygen generator, an ozone generator, a water storage tank system and a constant-pressure water supply device which are sequentially communicated through a pipeline; the water softener system comprises a first water softener system and a second water softener system, the first water softener system comprises a first electromagnetic valve, a first water softener, a first soft water tank and a second electromagnetic valve which are connected in sequence, a first water quality sensor is arranged in the first soft water tank, the second water softener system comprises a third electromagnetic valve, a second water softener, a second soft water tank and a fourth electromagnetic valve which are connected in sequence, a second water quality sensor is arranged in the second soft water tank, a fifth electromagnetic valve is connected between the inlet of the first water softener and the outlet of the second soft water tank, a sixth electromagnetic valve is connected between the inlet of the second water softener and the outlet of the first soft water tank, the water storage tank system comprises a first water storage tank, a seventh electromagnetic valve and a second water storage tank which are connected in sequence, a third water quality sensor is arranged in the first water storage tank, a return water pipe is arranged between the outlet of the first water storage tank and the inlet of the precision filter, the water return pipe is connected with a second high-pressure pump, and the first electromagnetic valve, the second electromagnetic valve, the first water quality sensor, the third electromagnetic valve, the fourth electromagnetic valve, the second water quality sensor, the fifth electromagnetic valve, the sixth electromagnetic valve, the seventh electromagnetic valve, the third water quality sensor and the second high-pressure pump are all electrically connected with the controller.
2. The medical direct drinking water softening and purifying system according to claim 1, wherein the first water softener system and the second water softener system are arranged in parallel.
3. The system of claim 1, wherein the ultraviolet sterilizer is an over-flow ultraviolet sterilizer.
4. The medical direct drinking water softening and purifying system according to claim 2, wherein the first water softener and the second water softener are respectively connected with a salt dissolving tank.
5. The medical direct drinking water softening and purifying system as claimed in claim 1, wherein the NF system is further provided with a concentrated water outlet end, and the concentrated water outlet end is connected with an inlet end of a waste water storage tank.
6. The system of claim 5, wherein a waste water connection is connected to an outlet end of the waste water storage tank.
7. The system of claim 1, wherein the outlet end of the constant pressure water supply device is connected to a drinking water end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020284702.8U CN211896460U (en) | 2020-03-10 | 2020-03-10 | Medical direct drinking water softening and purifying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020284702.8U CN211896460U (en) | 2020-03-10 | 2020-03-10 | Medical direct drinking water softening and purifying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211896460U true CN211896460U (en) | 2020-11-10 |
Family
ID=73321678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020284702.8U Expired - Fee Related CN211896460U (en) | 2020-03-10 | 2020-03-10 | Medical direct drinking water softening and purifying system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211896460U (en) |
-
2020
- 2020-03-10 CN CN202020284702.8U patent/CN211896460U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206705870U (en) | A kind of reverse osmosis direct drinking cleaning equipment | |
| CN101514060B (en) | Device for treating emergency drinking water | |
| CN204848541U (en) | Pure water processing system | |
| WO2023040018A1 (en) | Novel low-pressure high-recovery rate nanofiltration system and method | |
| CN203807252U (en) | Seawater treatment device | |
| CN205151974U (en) | Intelligence purifier with water quality testing device | |
| CN1810684B (en) | Three-in-one drinking water treating process and apparatus | |
| CN201395538Y (en) | Emergency drinking water treatment equipment | |
| CN211896460U (en) | Medical direct drinking water softening and purifying system | |
| CN207845415U (en) | A kind of pharmaceutical bipolar reverse osmosis equipment | |
| CN215667580U (en) | Direct drinking water purification treatment device | |
| CN104787967A (en) | Treatment device for slightly-polluted surface water and application thereof | |
| CN211813892U (en) | Reverse osmosis concentrated water recycling system | |
| CN211419839U (en) | Industrial circulating water drainage recycling treatment device | |
| CN201427905Y (en) | Water treatment facility | |
| CN112811708A (en) | Direct drinking water purification treatment method and device | |
| WO2021223369A1 (en) | Chemical-free electric method combined treatment process system and method for circulating water of thermal power plant | |
| CN210915728U (en) | Domestic sewage treatment equipment | |
| CN104591450B (en) | A kind of running water low temperature Intelligent antibacterial pipe-line system | |
| CN209872637U (en) | Drinking water purifying equipment with ultraviolet sterilizer | |
| CN208279391U (en) | Nanofiltration water system | |
| CN203128326U (en) | Depth purification and filtration treater of tap water | |
| CN109970261A (en) | A kind of drinking water purification equipment configuring ultraviolet sterilizer | |
| CN213112898U (en) | Pipeline direct drinking water system with pipe network circulation water diversion quality treatment function | |
| CN211898665U (en) | Medical direct drinking water supply equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201110 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |