CN108967161B - Soilless culture nutrition conveying system and using method thereof - Google Patents
Soilless culture nutrition conveying system and using method thereof Download PDFInfo
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- CN108967161B CN108967161B CN201810742239.4A CN201810742239A CN108967161B CN 108967161 B CN108967161 B CN 108967161B CN 201810742239 A CN201810742239 A CN 201810742239A CN 108967161 B CN108967161 B CN 108967161B
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- liquid
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- 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
- A01G31/00—Soilless cultivation, e.g. hydroponics
- A01G31/02—Special apparatus therefor
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- 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
- A01G31/00—Soilless cultivation, e.g. hydroponics
- A01G31/02—Special apparatus therefor
- A01G31/04—Hydroponic culture on conveyors
-
- 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
- A01G31/00—Soilless cultivation, e.g. hydroponics
- A01G31/02—Special apparatus therefor
- A01G31/04—Hydroponic culture on conveyors
- A01G31/042—Hydroponic culture on conveyors with containers travelling on a belt or the like, or conveyed by chains
-
- 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
- A01G31/00—Soilless cultivation, e.g. hydroponics
- A01G2031/006—Soilless cultivation, e.g. hydroponics with means for recycling the nutritive solution
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
Abstract
The invention discloses a soilless culture nutrition conveying system and a using method thereof, and the soilless culture nutrition conveying system comprises a plurality of planting frames and a nutrition conveying box, wherein spraying pipes are arranged on two sides of the planting frames, the spraying pipes are arranged on a mounting seat, one side of the mounting seat, which faces the planting frames, is provided with a sliding chute, the sliding chute is matched with a sliding block, the sliding block is arranged on two sides of the planting frames, the bottom of the planting frames is fixedly connected with an electric telescopic rod, the electric telescopic rod is connected with a driving mechanism through a shaft, the driving mechanism is located in the middle of a bottom plate, supports are arranged at two ends of the bottom plate, the supports are connected with the spraying pipes; the nutrition delivery box divide into the nutrient solution case on upper strata and the waste liquid recovery case of lower floor, and the nutrient solution case is formed by stirring storehouse and delivery box combination, installs the (mixing) shaft in the stirring storehouse, is equipped with a plurality of catheters on the delivery box, and the catheter is linked together with temperature control device, and temperature control device connects the shower through annotating the liquid pipeline.
Description
Technical Field
The invention relates to the technical field of cultivation devices, in particular to a soilless culture nutrition conveying system and a using method thereof.
Background
Soilless culture technology, as an advanced agricultural technology, has not only been rapidly applied and developed in large-scale agricultural production, but also has begun to step into people's home life in a small-scale manner while taking into account production and leisure. However, the existing soilless culture system in large scale or small scale basically adopts a non-differentiated spraying mode for the nutrition delivery of plants, sprays the medicine on the whole body of the plant, cannot spray the medicine with emphasis, is easy to cause the waste of nutrient substances, and is not beneficial to the healthy growth of the plant.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a soilless culture nutrition conveying system and a using method thereof.
In order to solve the technical problems, the invention provides the following technical scheme: a soilless culture nutrition conveying system comprises a plurality of planting frames and a nutrition conveying box, wherein spraying pipes are arranged on two sides of each planting frame, the spraying pipes are installed on an installation seat, a sliding groove is formed in one side, facing the planting frames, of the installation seat, the sliding groove is matched with a sliding block, the sliding block is installed on two sides of each planting frame, the bottoms of the planting frames are fixedly connected with electric telescopic rods, the electric telescopic rods are connected with a driving mechanism in a shaft mode, the driving mechanism is located in the middle of a bottom plate, supports are installed at two ends of the bottom plate and connected with the spraying pipes, and a plurality of spraying holes are distributed in one side, facing;
the nutrition delivery box divide into the nutrient solution case on upper strata and the waste liquid recovery case of lower floor, and the nutrient solution case is formed by stirring storehouse and delivery box combination, installs the (mixing) shaft in the stirring storehouse, is equipped with a plurality of catheters on the delivery box, and the catheter is linked together with temperature control device, and temperature control device connects the shower through annotating the liquid pipeline.
As a preferred technical scheme of the invention, a heating chip, a refrigerating chip and a temperature sensor are arranged in the temperature control device, and the heating chip, the refrigerating chip and the temperature sensor are all electrically connected with the controller.
As a preferred technical scheme of the invention, the length of the chute penetrates through the side wall of the mounting seat, and the height of the chute is consistent with that of the mounting seat; the slider is installed in the middle part of planting the frame lateral wall, and its length runs through the lateral wall of planting the frame and with spout phase-match.
As a preferred technical scheme of the invention, the spraying holes are oblique shower spraying holes, and the spraying direction of the spraying holes is aligned with the inner cavity of the planting frame.
As a preferred technical scheme of the invention, a suction pipe is arranged in the inner cavity of the planting frame, one end of the suction pipe is a free end and is vertically dropped in the inner cavity of the planting frame, the other end of the suction pipe penetrates through the inner wall of the planting frame and is fixedly connected with a return pipe, and the return pipe is communicated with a waste liquid recovery box.
As a preferable technical scheme of the invention, the length of the suction pipe is more than or equal to the height of the sliding groove.
As a preferred technical scheme of the invention, the liquid guide pipe is provided with a switch valve, and a circuit lead of the switch valve is connected with the controller.
As a preferred technical scheme of the invention, a filter screen is arranged between the stirring bin and the conveying box.
As a preferred technical scheme of the invention, the nutrient solution box is provided with a water inlet pipe.
The invention provides a using method of a soilless culture nutrition conveying system, which comprises the following steps:
s1: judging whether the nutrient solution to be conveyed aims at the roots, the rod parts or the branch and leaf parts of the plants, adjusting the height difference between the plants in the planting frame and the spraying pipes according to the positions needing to be sprayed, and if the positions needing to be sprayed are the roots of the plants, lifting the planting frame to the inner positions, where the roots of the plants are aligned to the spraying holes, of the planting frame through an electric telescopic rod; if the position needing spraying is the branch and leaf part of the plant, the planting frame is descended to the position where the branch and leaf part of the plant is aligned with the spraying hole for spraying through the electric telescopic rod;
s2: placing the nutrient medicines into a stirring bin, then opening a water inlet pipe, and then opening a stirring shaft, so that the nutrient medicines placed in the stirring bin can be completely fused with water;
s3: the liquid mixed with the nutrient medicine flows into the conveying box through the filter screen and is conveyed into the temperature control device through a liquid guide pipe fixedly connected with the conveying box, a temperature sensor arranged in the temperature control device can sense the actual temperature of the liquid and sends the temperature information to the controller, the temperature information is analyzed and processed by the controller and is compared with the optimal temperature value suitable for the plant, if the temperature of the liquid is found to be less than the optimal set value, a heating chip is started to heat the liquid until the temperature of the liquid is consistent with the optimal set value; if the temperature of the liquid is found to be higher than the optimal set value, the refrigeration chip is started to cool the liquid until the temperature of the liquid is consistent with the optimal set value;
s4: the liquid treated by the temperature control device reaches a liquid injection pipeline, is conveyed into a spraying pipe by the liquid injection pipeline, and is sprayed to the position of the plant to be sprayed through a plurality of spraying holes arranged on the spraying pipe;
s5: when the nutrient solution is stored in the inner cavity of the planting frame for a certain time, the quality of the liquid changes, at the moment, the suction pipe can be opened to absorb the liquid in the planting frame into the return pipe, and finally the liquid enters the waste liquid recovery box to finish the waste liquid recovery work.
The invention has the following beneficial effects: according to the soilless culture nutrition conveying system and the using method thereof, the positions of the planting frame and the spraying holes can be adjusted according to actual needs of sprayed nutrition medicines aiming at the roots, branches or leaves of plants, so that the nutrition medicines to be sprayed can be sprayed on a certain area of the plants in a targeted manner, the purpose of maximizing medicine nutrition is achieved, the defect that a traditional nutrient substance conveying system can only perform comprehensive spraying on the plants is overcome, and waste of medicines is reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a connection diagram of a planting frame and a nutrition delivery box according to the present invention;
fig. 3 is a schematic side view of the planting frame and the shower pipe of the present invention.
Reference numbers in the figures: 1. planting frames; 2. a nutrient delivery box; 3. a shower pipe; 4. a mounting seat; 5. a chute; 6. a slider; 7. an electric telescopic rod; 8. a drive mechanism; 9. a base plate; 10. a support; 11. spraying holes; 12. a nutrient solution tank; 13. a waste liquid recovery tank; 14. a stirring bin; 15. a delivery box; 16. a stirring shaft; 17. a catheter; 18. a temperature control device; 19. a liquid injection pipeline; 20. heating the chip; 21. a refrigeration chip; 22. a temperature sensor; 23. a straw; 24. a return pipe; 25. an on-off valve; 26. a filter screen; 27. and (4) a water inlet pipe.
Detailed Description
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example (b): as shown in fig. 1-3, the planting device comprises a plurality of planting frames 1 and a nutrition conveying box 2, spraying pipes 3 are arranged on two sides of the planting frames 1, the spraying pipes 3 are mounted on a mounting seat 4, a sliding groove 5 is arranged on one side of the mounting seat 4 facing the planting frames 1, the sliding groove 5 is matched with a sliding block 6, the sliding block 6 is mounted on two sides of the planting frame 1, an electric telescopic rod 7 is fixedly connected to the bottom of the planting frame 1, the electric telescopic rod 7 is connected with a driving mechanism 8 in a shaft mode, the driving mechanism 8 is located in the middle of a bottom plate 9, supports 10 are mounted at two ends of the bottom plate 9, the supports 10 are connected with the spraying pipes 3, and a plurality of spraying holes 11 are distributed;
the nutrient delivery box 2 is divided into a nutrient solution box 12 on the upper layer and a waste liquid recovery box 13 on the lower layer, the nutrient solution box 12 is formed by combining a stirring bin 14 and a delivery box 15, a stirring shaft 16 is installed in the stirring bin 14, a plurality of liquid guide tubes 17 are arranged on the delivery box 15, the liquid guide tubes 17 are communicated with a temperature control device 18, and the temperature control device 18 is connected with the spray pipe 3 through a liquid injection pipeline 19.
A heating chip 20, a refrigerating chip 21 and a temperature sensor 22 are arranged in the temperature control device 18, and the heating chip 20, the refrigerating chip 21 and the temperature sensor 22 are all electrically connected with the controller.
The length of the sliding chute 5 penetrates through the side wall of the mounting seat 4, and the height of the sliding chute is consistent with that of the mounting seat 4; the slider 6 is installed in the middle part of planting frame 1 lateral wall, and its length runs through planting frame 1's lateral wall and with spout 5 phase-match.
The spraying holes 11 are oblique shower spraying holes, and the spraying direction of the spraying holes is aligned with the inner cavity of the planting frame 1.
A suction pipe 23 is arranged in the inner cavity of the planting frame 1, one end of the suction pipe 23 is a free end and is vertically dropped in the inner cavity of the planting frame 1, the other end of the suction pipe passes through the inner wall of the planting frame 1 and is fixedly connected with a return pipe 24, and the return pipe 24 is communicated with the waste liquid recovery box 13.
The length of the suction pipe 23 is larger than or equal to the height of the sliding groove 5, and the suction pipe can be matched with the ascending and descending of the planting frame 1.
The liquid guide pipe 17 is provided with a switch valve 25, and the switch valve 25 is connected with a controller through a circuit lead.
A filter screen 26 is arranged between the stirring bin 14 and the conveying box 15.
The nutrient solution tank 12 is provided with a water inlet pipe 27.
The working principle is as follows: the utility model relates to a soilless culture nutrition conveying system's application method includes following several steps:
s1: judging whether the nutrient solution to be conveyed aims at the roots, the rod parts or the branch and leaf parts of the plants, adjusting the height difference between the plants in the planting frame 1 and the spraying pipe 3 according to the positions needing to be sprayed, and if the positions needing to be sprayed are the roots of the plants, lifting the planting frame 1 to the positions where the roots of the plants in the planting frame are sprayed by aligning the spraying holes 11 through the electric telescopic rod 7; if the position needing spraying is the branch and leaf part of the plant, the planting frame 1 is lowered to the position where the branch and leaf part of the plant is sprayed by aligning with the spraying hole 11 through the electric telescopic rod 7;
s2: placing the nutrient medicines into the stirring bin 14, then opening the water inlet pipe 27, and then opening the stirring shaft 16, so that the nutrient medicines placed in the stirring bin 14 can be completely fused with water;
s3: the liquid mixed with the nutrient medicine flows into the conveying box 15 through the filter screen 26 and is conveyed into the temperature control device 18 through the liquid guide pipe 17 fixedly connected with the conveying box 15, the temperature sensor 22 arranged in the temperature control device 18 can sense the actual temperature of the liquid and send the temperature information to the controller, the temperature information is compared with the optimal temperature value suitable for the plant after being analyzed and processed by the controller, if the temperature of the liquid is found to be less than the optimal set value, the heating chip 20 is started to heat the liquid until the temperature is consistent with the optimal set value; if the temperature of the liquid is found to be higher than the optimal set value, the refrigeration chip 21 is started to cool the liquid until the temperature of the liquid is consistent with the optimal set value;
s4: the liquid treated by the temperature control device 18 reaches the liquid injection pipeline 19, is conveyed into the spraying pipe 3 through the liquid injection pipeline 19, and is sprayed to the position of the plant to be sprayed through a plurality of spraying holes 11 arranged on the spraying pipe 3;
s5: when the nutrient liquid is stored in the inner cavity of the planting frame 1 for a certain time, the liquid quality changes, at the moment, the suction pipe 23 can be opened to absorb the liquid in the planting frame 1 into the return pipe 24, and finally the liquid enters the waste liquid recovery box 13, so that the waste liquid recovery work is completed.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A soilless culture nutrition conveying system is characterized by comprising a plurality of planting frames (1) and a nutrition conveying box (2), spraying pipes (3) are arranged on two sides of each planting frame (1), the spraying pipes (3) are installed on an installation seat (4), a sliding groove (5) is formed in one side, facing the planting frames (1), of the installation seat (4), the sliding groove (5) is matched with a sliding block (6), the sliding block (6) is installed on two sides of each planting frame (1), the bottoms of the planting frames (1) are fixedly connected with electric telescopic rods (7), the electric telescopic rods (7) are in shaft connection with a driving mechanism (8), the driving mechanism (8) is located in the middle of a bottom plate (9), supports (10) are installed at two ends of the bottom plate (9), the supports (10) are connected with the spraying pipes (3), and a plurality of spraying holes (11) are distributed in the middle of one side, facing the planting frames (1), of the spraying;
the nutrient delivery box (2) is divided into an upper nutrient solution box (12) and a lower waste liquid recovery box (13), the nutrient solution box (12) is formed by combining a stirring bin (14) and a delivery box (15), a stirring shaft (16) is installed in the stirring bin (14), a plurality of liquid guide pipes (17) are arranged on the delivery box (15), the liquid guide pipes (17) are communicated with a temperature control device (18), and the temperature control device (18) is connected with the spray pipe (3) through a liquid injection pipeline (19);
the length of the sliding chute (5) penetrates through the side wall of the mounting seat (4), and the height of the sliding chute is consistent with that of the mounting seat (4); the sliding block (6) is arranged in the middle of the side wall of the planting frame (1), and the length of the sliding block penetrates through the side wall of the planting frame (1) and is matched with the sliding groove (5);
the spraying holes (11) are oblique shower spraying holes, and the spraying direction of the spraying holes is aligned to the inner cavity of the planting frame (1);
the soilless culture nutrition conveying system comprises the following steps:
s1: judging whether the nutrient solution to be conveyed aims at the roots, the rod parts or the branch and leaf parts of the plants, adjusting the height difference between the plants in the planting frame (1) and the spray pipes (3) according to the positions needing to be sprayed, and if the positions needing to be sprayed are the roots of the plants, lifting the planting frame (1) to the positions where the plant roots in the planting frame are sprayed by aligning with the spray holes (11) through the electric telescopic rods (7); if the position needing spraying is the branch and leaf part of the plant, the planting frame (1) is descended to the position where the branch and leaf part of the plant is sprayed by aiming at the spraying hole (11) through the electric telescopic rod (7);
s2: nutritional medicines are placed in the stirring bin (14), then the water inlet pipe (27) is opened, and the stirring shaft (16) is opened, so that the nutritional medicines placed in the stirring bin (14) can be completely fused with water;
s3: the liquid mixed with the nutrient medicine flows into the conveying box (15) through the filter screen (26), and is conveyed into the temperature control device (18) through the liquid guide pipe (17) fixedly connected with the conveying box (15), a temperature sensor (22) arranged in the temperature control device (18) can sense the actual temperature of the liquid and send the temperature information to the controller, the temperature information is analyzed and processed by the controller and compared with the optimal temperature value set for the plant to adapt, if the temperature of the liquid is found to be less than the optimal set value, the heating chip (20) is started to heat the liquid until the temperature is consistent with the optimal set value; if the temperature of the liquid is found to be higher than the optimal set value, a refrigeration chip (21) is started to cool the liquid until the temperature of the liquid is consistent with the optimal set value;
s4: the liquid treated by the temperature control device (18) reaches a liquid injection pipeline (19), is conveyed into the spraying pipe (3) through the liquid injection pipeline (19), and is sprayed to the position of the plant to be sprayed through a plurality of spraying holes (11) arranged on the spraying pipe (3);
s5: when the nutrient liquid is stored in the inner cavity of the planting frame (1) for a certain time, the liquid quality changes, at the moment, the suction pipe (23) can be opened to absorb the liquid in the planting frame (1) into the return pipe (24), and finally the liquid enters the waste liquid recovery box (13), so that the waste liquid recovery work is completed.
2. The soilless culture nutrition conveying system of claim 1, wherein a heating chip (20), a refrigerating chip (21) and a temperature sensor (22) are arranged in the temperature control device (18), and the heating chip (20), the refrigerating chip (21) and the temperature sensor (22) are all electrically connected with the controller.
3. A soilless culture nutrition conveying system according to claim 1, characterized in that a suction pipe (23) is arranged in the inner cavity of the planting frame (1), one end of the suction pipe (23) is a free end and is vertically dropped in the inner cavity of the planting frame (1), the other end of the suction pipe passes through the inner wall of the planting frame (1) and is fixedly connected with a return pipe (24), and the return pipe (24) is communicated with the waste liquid recovery tank (13).
4. A soilless culture nutrient delivery system according to claim 1, wherein the length of the suction pipe (23) is greater than or equal to the height of the chute (5).
5. A soilless culture nutrient delivery system according to claim 1, wherein the liquid guiding tube (17) is provided with a switch valve (25), and the switch valve (25) is electrically connected with the controller through a lead.
6. A soilless culture nutrient delivering system according to claim 1, wherein a filter screen (26) is arranged between the stirring bin (14) and the delivering box (15).
7. A soilless culture nutrient delivery system according to claim 1, wherein the nutrient solution tank (12) is provided with a water inlet pipe (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810742239.4A CN108967161B (en) | 2018-07-09 | 2018-07-09 | Soilless culture nutrition conveying system and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810742239.4A CN108967161B (en) | 2018-07-09 | 2018-07-09 | Soilless culture nutrition conveying system and using method thereof |
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| CN108967161B true CN108967161B (en) | 2020-11-03 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000157077A (en) * | 1998-11-28 | 2000-06-13 | Toshiba Plant Kensetsu Co Ltd | Cultivation bed and cultivation using the same |
| TW201204237A (en) * | 2010-07-29 | 2012-02-01 | zhi-cheng Gao | Hydroponic device |
| CN106688700A (en) * | 2016-11-18 | 2017-05-24 | 嵩县金佛坪农业科技有限公司 | Rhododendron seedling culture device and using method thereof |
| CN206879688U (en) * | 2017-04-19 | 2018-01-16 | 湖北襄草源生态农业科技有限公司 | A kind of soilless culture seedbed for medicinal material plantation |
| CN207135780U (en) * | 2017-05-13 | 2018-03-27 | 黄关颖 | A kind of family expenses watering, fertilizing device for flowers and trees |
| CN107173177A (en) * | 2017-05-13 | 2017-09-19 | 长沙联博科技咨询有限公司 | A kind of agricultural uses water saving irrigating equipment |
| CN207354979U (en) * | 2017-06-30 | 2018-05-15 | 李小龙 | A kind of forest seedling nursing lift culturing frame |
| CN207519358U (en) * | 2017-10-31 | 2018-06-22 | 珠海市斗门达华智能电子有限公司 | A kind of automatic plant water planting system of multi-layer intelligent |
| CN107810845A (en) * | 2017-12-04 | 2018-03-20 | 天津艾西琳医疗科技有限公司 | The self-service sprinkler of balcony intelligent micro timing |
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Granted publication date: 20201103 Termination date: 20210709 |