CN105475008B - Solar efficient carbon dioxide supplement system for sunlight greenhouse - Google Patents
Solar efficient carbon dioxide supplement system for sunlight greenhouse Download PDFInfo
- Publication number
- CN105475008B CN105475008B CN201510971570.XA CN201510971570A CN105475008B CN 105475008 B CN105475008 B CN 105475008B CN 201510971570 A CN201510971570 A CN 201510971570A CN 105475008 B CN105475008 B CN 105475008B
- Authority
- CN
- China
- Prior art keywords
- heat
- air
- solar
- greenhouse
- heat exchanger
- 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
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 22
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 22
- 239000013589 supplement Substances 0.000 title claims abstract description 14
- 238000004321 preservation Methods 0.000 claims abstract description 6
- 238000009413 insulation Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 9
- 238000005338 heat storage Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 230000000295 complement effect Effects 0.000 claims description 2
- 239000007769 metal material Substances 0.000 claims description 2
- 230000012010 growth Effects 0.000 description 3
- 239000011449 brick Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G7/00—Botany in general
- A01G7/02—Treatment of plants with carbon dioxide
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/24—Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
- A01G9/243—Collecting solar energy
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/24—Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
- A01G9/246—Air-conditioning systems
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sustainable Energy (AREA)
- Sustainable Development (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biodiversity & Conservation Biology (AREA)
- Botany (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Greenhouses (AREA)
- Cultivation Of Plants (AREA)
Abstract
The invention relates to the field of greenhouse heat preservation, in particular to a solar efficient carbon dioxide supplement system for a sunlight greenhouse, which comprises a greenhouse, wherein the greenhouse comprises a heat preservation wall body and a heat preservation cover, a base body is arranged at the front edge of the greenhouse, a heat collection channel is arranged in the greenhouse, a plurality of hot air channels are uniformly arranged on the heat collection channel, the outlets of the hot air channels are arranged in the inner space of the greenhouse, one end of the heat collection channel is connected with a solar heat collector arranged on the outer side of the greenhouse, and a fan is arranged between the solar heat collector and the heat collection channel.
Description
Technical Field
The invention relates to the field of greenhouse heat preservation, in particular to a solar air heat collection system of a greenhouse.
Background
The greenhouse is also called a greenhouse, can transmit light and keep warm (or heat), and is used for cultivating plants. In seasons unsuitable for plant growth, the method can provide the growth period of the greenhouse and increase the yield, and is mainly used for cultivating or raising seedlings of plants like warm vegetables, flowers and trees in low-temperature seasons.
In the planting process of plants, the greenhouse needs to be ventilated regularly and regularly, meanwhile, a carbon dioxide generator is used for supplementing carbon dioxide gas and heating by electric appliances or fuels, the greenhouse is used in winter in the north, the greenhouse needs to be completely sealed and insulated, hot air in the greenhouse can be quickly lost due to convection of air in the ventilation process, the hot air needs to be heated again after being sealed, and the plants can be frozen if the ventilation time is not controlled well; when plants are in natural conditions, carbon dioxide in the air can be completely supplemented with carbon dioxide gas, and energy consumption is also needed, so that energy waste is caused.
Disclosure of Invention
The invention aims to provide a solar efficient carbon dioxide supplement system for a sunlight greenhouse, which utilizes solar energy to store and recycle hot air and supplement natural air to provide carbon dioxide for the greenhouse, and effectively solves the problem of energy waste caused by using a carbon dioxide generating device and a heating facility.
The purpose of the invention is realized by the following technical scheme:
the utility model provides a high-efficient carbon dioxide complementary system of sunlight greenhouse solar energy, includes warmhouse booth, warmhouse booth includes thermal insulation wall body and heat preservation cover, warmhouse booth's forward position is equipped with the base member, be equipped with the thermal-arrest passageway in the base member, evenly be equipped with a plurality of hot-air channel on the thermal-arrest passageway, hot-air channel's export is arranged in warmhouse booth's inner space, the one end connection setting of thermal-arrest passageway is in the solar collector in the warmhouse booth outside, solar collector with be equipped with the fan between the thermal-arrest passageway.
Furthermore, the heat collection channel is an air channel surrounded by the heat storage slow release material, and a heat insulation layer covers the outer side of the heat collection channel.
Furthermore, a temperature controller is arranged at an air outlet of the solar thermal collector and connected with and used for controlling the fan, and the purpose is to set a temperature value to monitor the temperature inside the solar thermal collector to control the fan, so that energy is saved.
A solar heat collector comprises a preheating chamber defined by a bottom plate, a first side plate and a second side plate, wherein a light-transmitting heat-insulating film fixedly connected with the side plates is arranged outside the preheating chamber, a light reflecting plate is fixedly arranged on the bottom plate, a heat exchanger is arranged in the preheating chamber, an air outlet is formed in the bottom side of the heat exchanger, an air inlet is formed in the top side of the heat exchanger, and an air inlet is formed in the first side plate.
Further, the heat exchanger is a heat collector pipeline.
Further, the air outlet of the heat exchanger is located on the opposite side of the air inlet of the heat exchanger and on the same side as the air inlet.
Furthermore, an opening is formed in the bottom side of the solar heat collector, and an air outlet of the heat exchanger penetrates through the opening.
Furthermore, the reflector is a metal plate with a plurality of cambered surface structures.
Furthermore, the bottom plate and the side plates are made of metal materials.
Furthermore, a slow release valve is arranged at an outlet of the hot air channel, and the purpose of the slow release valve is that the hot air cannot enter the greenhouse immediately due to the self-weight influence of the slow release valve, so that the storage time of the hot air is ensured.
The invention has the beneficial effects that: under the sunlight condition, the carbon dioxide required for the growth can be continuously provided for supplementing crops to the greenhouse; meanwhile, the air is heated and stored by utilizing solar energy, so that the greenhouse can be kept at a constant temperature under the conditions of darkness and low temperature, and the normal growth of crops is ensured.
Drawings
The invention is explained in further detail below with reference to the drawing.
FIG. 1 is a schematic diagram of the overall structure of a solar greenhouse solar energy efficient carbon dioxide supplement system according to an embodiment of the invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
fig. 3 is a perspective view of a solar collector according to an embodiment of the present invention.
In the figure:
1. a greenhouse; 2. a heat-insulating wall body; 3. a heat-preserving cover; 4. a substrate; 5. a heat collection channel; 6. a hot air channel; 7. a solar heat collector; 8. a fan; 9. a heat insulation layer; 10. a temperature controller; 11. a base plate; 12. a first side plate; 13. a second side plate; 14. a preheating chamber; 15. a reflector; 16. a heat exchanger; 161. an air inlet; 162. an air outlet; 17. an air inlet; 18. a slow release valve.
Detailed Description
As shown in fig. 1 and 2, the solar energy efficient carbon dioxide supplement system for the sunlight greenhouse according to the embodiment of the invention comprises a greenhouse 1, the greenhouse comprises a heat insulation wall 2 and a heat insulation cover 3, a base body 4 is arranged at the front edge of the greenhouse 1, a heat collection channel 5 is arranged in the base body 4, a plurality of hot air channels 6 are uniformly arranged on the heat collection channel 5, the outlets of the hot air channels 6 are arranged in the inner space of the greenhouse 1, and the outlets of the hot air channels 6 are provided with slow release valves 18. One end of the heat collecting channel 5 is connected with a solar heat collector 7 arranged on the outer side of the greenhouse 1, and a fan 8 is arranged between the solar heat collector 7 and the heat collecting channel 5.
The slow release valve 18 is a plugging rubber pad which can be automatically opened under the action of air flow.
The air outlet of the solar heat collector 7 is provided with a temperature controller 10, and the temperature controller 10 is connected with and controls the fan 8.
Referring to fig. 1 again, the heat collecting channel 5 is an air channel surrounded by the heat storage slow release material, and a heat insulation layer 9 covers the outer side of the heat collecting channel 5.
The heat-storage slow-release material is a brick body.
As shown in fig. 3, fig. 3 shows a solar thermal collector 7 of a solar greenhouse solar energy efficient carbon dioxide supplement system according to an embodiment of the present invention, which includes a preheating chamber 14 surrounded by a bottom plate 11, a first side plate 12 and a second side plate 13, a light-transmitting thermal insulation film (not shown) fixedly connected to the first side plate 12 and the second side plate 13 is disposed outside the preheating chamber 14, a light reflecting plate 15 is disposed on the bottom plate 13, an edge of the light reflecting plate 15 is fixed on the bottom plate 13 by welding, a heat exchanger 16 is disposed in the preheating chamber 14, an air outlet 162 is disposed at a bottom side of the heat exchanger 16, an air inlet 161 is disposed at a top side of the heat exchanger 16, and an air inlet 17 is.
The heat exchanger 16 is a collector tube.
As described above, the air outlet 162 of the heat exchanger 16 is disposed opposite the air inlet 161 of the heat exchanger 16, and is located on the same side as the air inlet 17.
The reflector 15 is a metal plate with a plurality of cambered structures.
The bottom plate 11, the first side plate 12 and the second side plate 13 are all made of metal.
The bottom side of the solar collector is provided with an opening (not shown) for the air outlet of the heat exchanger to pass through. The following is a further illustration of the method of use of the solar greenhouse solar energy efficient carbon dioxide supplement system according to embodiments of the present invention:
firstly, a solar heat collector is obliquely arranged on a fixing frame, a pipeline is connected, the numerical value of a temperature control valve is set to be 40 ℃, a reflecting plate preheats air on a solar band heat exchanger through refraction, when the air of the energy of a preheating chamber reaches 40 ℃, the temperature control valve controls a fan to work, the fan intensively sends hot air into a heat collecting channel, meanwhile, cold air enters the preheating chamber along an air inlet, the hot air flows to the upper layer due to different air specific heat, flows to an air outlet of the heat exchanger along an air inlet of the heat exchanger and enters the heat collecting channel, and in the process, the hot air is reheated in the flowing process of the hot air in the heat exchanger, so that the temperature of the air is ensured. And the heat collection channel is an air channel built by bricks, and the outer side of the heat collection channel is provided with a heat insulation layer, so that the heat insulation effect is improved, the purpose of the slow release valve does not cause hot air to enter the greenhouse immediately, the storage time of the hot air is prolonged, and after the temperature is reduced at night, cold and hot air is exchanged, and the hot air enters the greenhouse, so that the internal temperature of the greenhouse is ensured.
The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by anyone in the light of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as those of the present application, fall within the protection scope of the present invention.
Claims (6)
1. The utility model provides a high-efficient carbon dioxide complementary system of sunlight greenhouse solar energy, includes warmhouse booth, warmhouse booth includes thermal insulation wall and heat preservation cover, its characterized in that: the front edge of the greenhouse is provided with a base body, a heat collection channel is arranged in the base body, the heat collection channel is an air channel surrounded by heat storage slow release materials, a heat insulation layer covers the outer side of the heat collection channel, a plurality of hot air channels are uniformly arranged on the heat collection channel, an outlet of each hot air channel is arranged in the inner space of the greenhouse, a slow release valve is arranged at the outlet of each hot air channel, one end of each heat collection channel is connected with a solar heat collector arranged on the outer side of the greenhouse, a fan is arranged between each solar heat collector and the heat collection channel, each solar heat collector comprises a preheating chamber surrounded by a bottom plate, a first side plate and a second side plate, a light-transmitting heat insulation film fixedly connected with the side plates is arranged on the outer side of the preheating chamber, a light reflecting plate is fixedly arranged on the bottom, an air outlet is formed in the bottom side of the heat exchanger, an air inlet is formed in the top side of the heat exchanger, an air inlet is formed in the first side plate, a temperature controller is arranged at the air outlet of the solar heat collector and connected with and used for controlling the fan;
the working process of the solar heat collector is as follows: with solar collector connecting line and the numerical value of setting for the temperature controller, the reflector panel preheats the air on heat exchanger through refracting the sunlight, when preheating indoor air and reaching the setting for numerical value, temperature controller control fan work, the fan is concentrated hot-air and is sent into the thermal-arrest passageway, cold air gets into the preheating chamber along air intlet simultaneously, because of the air specific heat difference, hot-air flows to the upper strata, along heat exchanger's air inlet flow direction heat exchanger's gas outlet, and enter the thermal-arrest passageway, at this in-process, the flow in-process of hot-air in heat exchanger, heat hot-air once more.
2. The solar greenhouse solar energy efficient carbon dioxide supplement system of claim 1, wherein: the heat exchanger is a heat collector pipeline.
3. The solar greenhouse solar energy efficient carbon dioxide supplement system of claim 1, wherein: the air outlet of the heat exchanger is located on the opposite side of the air inlet of the heat exchanger and on the same side as the air inlet.
4. The solar greenhouse solar energy efficient carbon dioxide supplement system of claim 1, wherein: and an opening is formed in the bottom side of the solar heat collector and is used for the air outlet of the heat exchanger to penetrate out.
5. The solar greenhouse solar energy efficient carbon dioxide supplement system of claim 1, wherein: the reflector is a metal plate with a plurality of cambered surface structures.
6. The solar greenhouse solar energy efficient carbon dioxide supplement system of claim 1, wherein: the bottom plate and the side plates are made of metal materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510971570.XA CN105475008B (en) | 2015-12-22 | 2015-12-22 | Solar efficient carbon dioxide supplement system for sunlight greenhouse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510971570.XA CN105475008B (en) | 2015-12-22 | 2015-12-22 | Solar efficient carbon dioxide supplement system for sunlight greenhouse |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105475008A CN105475008A (en) | 2016-04-13 |
| CN105475008B true CN105475008B (en) | 2020-08-04 |
Family
ID=55662594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510971570.XA Expired - Fee Related CN105475008B (en) | 2015-12-22 | 2015-12-22 | Solar efficient carbon dioxide supplement system for sunlight greenhouse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105475008B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106489615A (en) * | 2016-09-18 | 2017-03-15 | 大顺国际花卉股份有限公司 | A kind of device and method of the carbon dioxide fertilising of light temperature coupling |
| CN106386263A (en) * | 2016-11-11 | 2017-02-15 | 中科兆阳（北京）光暖科技有限公司 | Backwall heat storage structure of greenhouse |
| CN106386282A (en) * | 2016-11-11 | 2017-02-15 | 中科兆阳（北京）光暖科技有限公司 | Heat-storing and heat-preserving system for daylight greenhouse |
| CN106538305A (en) * | 2016-11-11 | 2017-03-29 | 中科兆阳（北京）光暖科技有限公司 | A kind of front wall heat storage structure of warmhouse booth and its heat-storing method |
| US20200383275A1 (en) * | 2017-12-07 | 2020-12-10 | Plants Laboratory, Inc. | Plant cultivation greenhouse |
| CN110934026B (en) * | 2019-12-05 | 2021-10-22 | 和县德生农业发展有限公司 | Temperature-controlled seedling raising greenhouse and temperature control method thereof |
| CN114258806B (en) * | 2021-12-24 | 2023-12-08 | 西安建筑科技大学 | Ventilating system and method for controlling local CO2 concentration of solar greenhouse plants |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201138087Y (en) * | 2007-12-06 | 2008-10-22 | 河南桑达能源环保有限公司 | Light condensation type solar energy heat collector |
| CN101411293A (en) * | 2008-11-18 | 2009-04-22 | 江苏大学 | Active mode heat collection and thermal storage system for solar energy greenhouse |
| CN203233807U (en) * | 2013-03-07 | 2013-10-16 | 嘉兴职业技术学院 | Soil heating system |
| CN204707601U (en) * | 2015-05-19 | 2015-10-21 | 山西省农业科学院现代农业研究中心 | A kind of solar greenhouse heating ventilation system |
| CN205320675U (en) * | 2015-12-22 | 2016-06-22 | 北京市农业机械试验鉴定推广站 | High -efficient carbon dioxide replenishment system of sunlight greenhouse solar energy and solar collector |
-
2015
- 2015-12-22 CN CN201510971570.XA patent/CN105475008B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201138087Y (en) * | 2007-12-06 | 2008-10-22 | 河南桑达能源环保有限公司 | Light condensation type solar energy heat collector |
| CN101411293A (en) * | 2008-11-18 | 2009-04-22 | 江苏大学 | Active mode heat collection and thermal storage system for solar energy greenhouse |
| CN203233807U (en) * | 2013-03-07 | 2013-10-16 | 嘉兴职业技术学院 | Soil heating system |
| CN204707601U (en) * | 2015-05-19 | 2015-10-21 | 山西省农业科学院现代农业研究中心 | A kind of solar greenhouse heating ventilation system |
| CN205320675U (en) * | 2015-12-22 | 2016-06-22 | 北京市农业机械试验鉴定推广站 | High -efficient carbon dioxide replenishment system of sunlight greenhouse solar energy and solar collector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105475008A (en) | 2016-04-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105475008B (en) | Solar efficient carbon dioxide supplement system for sunlight greenhouse | |
| CN202435897U (en) | Energy integrated utilization system in greenhouse | |
| CN102986479A (en) | System for comprehensively utilizing energy sources in greenhouse | |
| CN103650989A (en) | Potted anthurium cultivating greenhouse | |
| CN103858711B (en) | A kind of multifunctional flower nursery stock growing nursery and culture artificial environment facility | |
| CN105052615B (en) | The cloudy canopy heat supply method and the two-sided greenhouse of automatic storing heat release in two-sided greenhouse | |
| CN205320675U (en) | High -efficient carbon dioxide replenishment system of sunlight greenhouse solar energy and solar collector | |
| CN107896747B (en) | Device and method for utilizing heat energy in sunlight greenhouse | |
| CN105104021A (en) | Solar warming system for facility cultivation | |
| CN203152124U (en) | Cultivating house for seedlings of bighead atractylodes rhizomes | |
| CN205682027U (en) | Glasshouse | |
| CN204119900U (en) | Temperature canopy soil temperature raising and indoor temperature and humidity regulating system | |
| CN206611896U (en) | A kind of vegetable booth thermal insulation device | |
| CN206559880U (en) | A kind of solar heat-preservation formula warmhouse booth | |
| CN116724791A (en) | Intelligent temperature-control seedling greenhouse | |
| CN205596740U (en) | New forms of energy greenhouse garden four seasons tree peony flowers vegetable gardening sightseeing facility is equipped | |
| CN205431264U (en) | Solar energy plant factory greenhouse | |
| CN203851552U (en) | Multifunctional flower nursery stock seedling cultivation artificial environment facility | |
| CN203942879U (en) | A kind of greenhouse solar heating system | |
| CN204662705U (en) | Sunlight greenhouse heating assists body of wall | |
| CN203233804U (en) | Light-sensation and temperature-control sunlight greenhouse sun-shielding curtain | |
| CN208783396U (en) | A kind of cultivation agaricus bisporus greenhouse thermotank system | |
| CN108684383A (en) | Greenhouse with solar heat collection device | |
| CN106171676A (en) | A kind of solar energy capillary tube thermal-arrest cooling system | |
| CN206101082U (en) | Temperature adjusting 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200804 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |