CN215122902U - Wisdom garden soil humidity regulation and control subassembly - Google Patents
Wisdom garden soil humidity regulation and control subassembly Download PDFInfo
- Publication number
- CN215122902U CN215122902U CN202120288795.6U CN202120288795U CN215122902U CN 215122902 U CN215122902 U CN 215122902U CN 202120288795 U CN202120288795 U CN 202120288795U CN 215122902 U CN215122902 U CN 215122902U
- Authority
- CN
- China
- Prior art keywords
- pipe
- lower cover
- cover
- arc groove
- sides
- 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.)
- Active
Links
Images
Landscapes
- Cultivation Of Plants (AREA)
Abstract
The utility model relates to the technical field of soil humidity regulation, in particular to a soil humidity regulation component for a smart park, which comprises a control device, an air pipe and a water pipe, wherein the upper end of the left side of the control device is fixed with the air pipe, the lower end of the left side of the control device is fixed with the water pipe, the air pipe and the water pipe are equally distributed with vertical pipes, a lower cover penetrates through the horizontal pipe of the air pipe, the vertical pipe of the air pipe is positioned in the middle of the inner side of the lower cover, the end part of the vertical pipe of the water pipe penetrates through the middle of the lower end of the lower cover, a sealing ring is arranged on the outer side of the middle of the lower end of the lower cover, an upper cover is in threaded connection with the upper end of the lower cover, an arc groove is arranged at the upper end of the outer side surface of the upper cover, a humidity sensor is arranged at the bottom of the arc groove, rotating plates are hinged with the two sides of the arc groove, the upper end of the lower cover which is protected by the humidity sensor is provided with the air pipe and the water pipe, thereby being capable of blowing out soil moisture at the root of a plant and quickly reducing the humidity of the soil, the water pipe can spray mist water drops, so that the root can absorb water conveniently and the water source waste is reduced.
Description
Technical Field
The utility model relates to a soil moisture control technical field specifically is a wisdom garden soil moisture regulates and control subassembly.
Background
Traditional agriculture depends on natural weather, most areas of China belong to monsoon climate, winter is dry and cold, summer is damp and hot, the growth of crops is restrained to a great extent, the yield and the growth period of the crops are limited, meanwhile, the problem of king ground is more prominent due to the continuously increased population of China, for some economic crops, the growing environment is sensitive to soil humidity, the common full irrigation technology can only increase the soil humidity in one direction, when the soil humidity is reduced, or when the air humidity is increased, the soil humidity can not be quickly and effectively reduced, the roots of certain plants are rotted to cause the death of the plants, meanwhile, when the irrigation device is buried underground, the humidity sensor on the surface is easily damaged without protection, so that the signal cannot be transmitted to the control device, thereby lead to whole device inefficacy, it is not convenient enough, for this, the utility model provides a wisdom garden soil humidity regulates and control subassembly is used for solving above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a wisdom garden soil moisture regulates and control subassembly to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a wisdom garden soil moisture regulation and control subassembly, includes controlling means, tuber pipe and water pipe, controlling means's left side upper end is fixed with the tuber pipe, controlling means's left side lower extreme is fixed with the water pipe, impartial distance distribution has the standpipe on tuber pipe and the water pipe, the department of violently managing of tuber pipe runs through there is the lower cover, the standpipe of tuber pipe is located the centre of the inboard of lower cover, the tip of the standpipe of water pipe runs through the centre of the lower extreme of lower cover, the outside in the middle of the lower extreme of lower cover is provided with the sealing washer, the upper end threaded connection of lower cover has the upper cover, the circular arc groove has been seted up to the upper end of the lateral surface of upper cover, the tank bottom in circular arc groove is provided with the humidity inductor, the both sides in circular arc groove articulate there is the rotor plate.
Preferably, the lower extreme in the outside of lower cover is the hemisphere, and the upper end of lower cover is the ring shape that is provided with the external screw thread, the inner chamber of lower cover is the hemisphere, the standpipe of water pipe has been run through in the middle of lower cover lower extreme, the upper end of standpipe of water pipe is provided with atomizer, the outside of the department of running through of lower cover lower extreme is provided with the sealing washer.
Preferably, the tuber pipe has been run through to the both sides of lower cover, the tuber pipe in the inboard cavity of lower cover is the T font of handstand, the department of running through of lower cover both sides is provided with the round leak, the both sides of the inside wall upper end of lower cover are provided with the fixed block, the upper end of fixed block is provided with the fixed plate, the standpipe end of tuber pipe runs through the positive centre of fixed plate, be provided with the sealing washer in the middle of the upper surface of fixed plate, a plurality of wind gaps have been seted up to the both sides of the perpendicular pipe end of tuber pipe, the wind gap all is located the top of fixed plate, the upper end of the standpipe of tuber pipe is provided with the fixed head, the upper surface of fixed head is arc.
Preferably, the upper end of the outer side of the upper cover is a hemisphere, the lower end of the upper cover is a ring shape provided with internal threads, through holes are uniformly distributed in the upper cover, the lower end of the upper cover is matched with the upper end of the lower cover, and the upper cover and the lower cover are spliced to form a complete sphere.
Preferably, a supporting plate tightly attached to the inner surface is arranged in the inner side cavity of the upper cover, clamping blocks are arranged on two sides of the upper end of the supporting plate, a notch is formed in the middle of the upper end of each clamping block, a clamping groove is formed in the inner side surface of the upper cover, the clamping blocks and the clamping grooves are matched, two filtering layers are arranged in the inner side cavity of the supporting plate, an inner lining is arranged in the inner side cavity of each filtering layer, the inner lining and the supporting plate are all in a hollow hemispherical shape, and two side ends of the inner lining are fixed to two side ends of the upper cover.
Preferably, an arc groove is formed in the upper end of the outer side of the upper cover, the arc groove is net-shaped, the lower surface of the lower end of the arc groove is abutted to the filtering layer on the upper layer, the rotating plates are hinged to the two sides of the arc groove, the rotating plates are arc-shaped, the radian of the rotating plates is consistent with that of the outer side of the upper cover, a fixing rod is arranged at the bottom of the arc groove, the fixing rod is T-shaped, and the upper surface of the fixing rod is tightly attached to the lower surface of the rotating plate.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the humidity sensor is protected by the rotating plate and the arc groove arranged at the upper end of the humidity sensor, and meanwhile, water seeps into the arc groove through the meshed rotating plate, so that the humidity in the soil is conveniently detected, and the humidity adjustment of the soil is conveniently controlled by the control device;
2. the inboard upper end of lower cover is provided with the tuber pipe, and the tuber pipe is aimed at and is covered the through-hole that sets up and blow off, does not carry the water smoke in the wind, and the air current humidity ratio of wind is dry, can blow off the soil moisture of root of plant fast to reduced the humidity of soil fast, the lower extreme of lower cover is provided with the water pipe that can increase soil moisture, in the leak infiltration soil through the department that runs through of tuber pipe, made things convenient for soil to absorb more.
Drawings
Fig. 1 is a perspective view of the present invention;
FIG. 2 is a schematic structural view of the lower cover, the air pipe and the water pipe of the present invention;
FIG. 3 is a schematic structural view of the upper cover of the present invention;
fig. 4 is a schematic structural view of the closed state of the upper cover and the lower cover of the present invention;
FIG. 5 is an enlarged view taken at A in FIG. 3;
fig. 6 is a three-dimensional view of the lower cover of the present invention.
In the figure: the device comprises a control device 1, an air pipe 2, a fixing head 21, an air port 22, a water pipe 3, an atomizing nozzle 31, a sealing ring 32, a lower cover 4, a fixing plate 41, a fixing block 42, a leakage port 43, an upper cover 5, a through hole 51, a supporting arc plate 52, an inner liner 53, a filter layer 54, a clamping block 55, a clamping groove 56, a humidity sensor 6, an arc groove 61, a rotating plate 62 and a fixing rod 63.
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.
Referring to fig. 1 to 6, the present invention provides a technical solution: a wisdom garden soil moisture regulation and control subassembly, including controlling means 1, tuber pipe 2 and water pipe 3, controlling means 1's left side upper end is fixed with tuber pipe 2, controlling means 1's left side lower extreme is fixed with water pipe 3, the equipartition distance distribution has the standpipe on tuber pipe 2 and the water pipe 3, the horizontal pipe department of tuber pipe 2 runs through there is lower cover 4, the lower extreme in the outside of lower cover 4 is the hemisphere, and the upper end of lower cover 4 is the ring shape that is provided with the external screw thread, the inner chamber of lower cover 4 is the hemisphere, tuber pipe 2 in the inboard cavity of lower cover 4 is the T font of handstand, the standpipe of tuber pipe 2 is located the middle of the inboard of lower cover 4, the department of running through of lower cover 4 both sides is provided with round leak 43, the both sides of the inside wall upper end of lower cover 4 are provided with fixed block 42, the upper end of fixed block 42 is provided with fixed plate 41, the standpipe end of tuber pipe 2 runs through the middle of fixed plate 41, be provided with sealing washer 32 in the middle of the upper surface of fixed plate 41, a plurality of wind gaps 22 have been seted up to the both sides of the vertical pipe end of tuber pipe 2, wind gap 22 all is located the top of fixed plate 41, the upper end of the standpipe of tuber pipe 2 is provided with fixed head 21, the upper surface of fixed head 21 is arc, prevent that unfiltered liquid from dripping, the wind gap 22 of the both sides of the upper end of the standpipe that controlling means 1 department fan set up on tuber pipe 2 blows off, upwards climb from the hole department of inside lining 53, through-hole 51 of seting up along the outside of upper cover 5 behind the hole of passing two-layer filter layer 54 and backup pad 52 blows off, wind does not carry water smoke, the air current humidity ratio of wind is dry, can blow off the soil moisture of plant root fast, thereby the humidity of soil has been reduced fast.
The end of the vertical pipe of the water pipe 3 penetrates the middle of the lower end of the lower cover 4, the upper end of the vertical pipe of the water pipe 3 is provided with an atomizing nozzle 31, the water of the water pump at the control device 1 is sprayed out along the atomizing nozzle 31 arranged at the upper end of the vertical pipe of the water pipe 3, the outer side of the penetrating part at the lower end of the lower cover 4 is provided with a sealing ring 32, the upper end of the lower cover 4 is in threaded connection with an upper cover 5, the upper end of the outer side of the upper cover 5 is in a hemispheroid shape, the lower end of the upper cover 5 is in a ring shape provided with internal threads, through holes 51 are uniformly distributed on the upper cover 5, the lower end of the upper cover 5 is matched with the upper end of the lower cover 4, the upper cover 5 and the lower cover 4 are spliced into a complete sphere shape, a supporting plate 52 tightly attached to the inner surface is arranged in the cavity of the inner side of the upper cover 5, the upper cover 5 provided with a plurality of through holes 51 is conveniently supported, meanwhile, soil and moisture are prevented from entering the inner side of the upper cover 5 together, two sides of the upper end of the supporting plate 52 are provided with clamping blocks 55, the middle of the upper end of the clamping block 55 is provided with a notch, the inner side surface of the upper cover 5 is provided with a clamping groove 56, the clamping block 55 is matched with the clamping groove 56, two layers of filtering layers 54 are arranged in the inner side cavity of the supporting plate 52, the infiltrated water is absorbed to prevent the soil from entering, the inner side cavity of the innermost filtering layer 54 is provided with a lining 53, the lining 53 and the supporting plate 52 are both in a hollowed hemispherical shape, the two side ends of the lining 53 are fixed at the two side ends of the upper cover 5, the upper end of the outer side surface of the upper cover 5 is provided with an arc groove 61, the arc groove 61 is in a net shape, the lower surface of the lower end of the arc groove 61 is pressed in the filtering layer 54 at the upper layer, the bottom of the arc groove 61 is provided with a humidity sensor 6, the two sides of the arc groove 61 are hinged with rotating plates 62, the water in the soil permeates from the meshes of the rotating plates 62 hinged at the two sides of the arc groove 61, so that the arc groove 61 can detect the water vapor in the soil conveniently, and simultaneously protect the humidity sensor 6 from being damaged, the rotating plate 62 is arc-shaped, the radian of the rotating plate 62 is consistent with the outer side radian of the upper cover 5, the fixing rod 63 is arranged at the bottom of the arc groove 61, the fixing rod 63 is T-shaped, and the upper surface of the fixing rod 63 is tightly attached to the lower surface of the rotating plate 62, so that the rotating plate 62 is conveniently supported.
The working principle is as follows: when in use, a plurality of vertical pipes are arranged on the air pipe 2 and the water pipe 3 at equal distance, the end part of each vertical pipe is wrapped in a cavity formed by the inner sides of the upper cover 5 and the lower cover 4 after being connected by screw threads, a supporting plate 52 is arranged on the inner side of the upper cover 5, the supporting plate 52 is clamped in a clamping groove 56 formed on the upper end of the inner side of the upper cover 5 through a clamping block 55 fixed at the upper end, the upper cover 5 provided with a plurality of through holes 51 is conveniently supported and opened, simultaneously, soil and moisture are prevented from entering the inner side of the upper cover 5 together, a filtering layer 54 is arranged on the inner side of the supporting plate 52, the infiltrated moisture is absorbed, the soil is prevented from entering, the dryness of the cavity on the inner side of the upper cover 5 is conveniently kept, a humidity sensor 6 is fixed in an arc groove 61 formed on the upper end of the outer side of the upper cover 5, the moisture in the soil permeates into the mesh holes of a rotating plate 62 hinged with the two sides of the arc groove 61, thereby facilitating the detection of the arc groove 61, meanwhile, the humidity sensor 6 is protected from being damaged, the fixed rod 63 fixed in the middle of the arc groove 61 is convenient for supporting the rotating plate 62, the detected water vapor is condensed into water which is downwards absorbed by the filter layer 54 arranged on the inner side of the upper cover 5 from the arc groove 61, the device is prevented from being damaged by excessive moisture, the air of the fan at the control device 1 is blown out from the air ports 22 at the two sides of the upper end of the vertical pipe arranged on the air pipe 2, the water of the water pump at the control device 1 is sprayed out along the atomizing nozzle 31 arranged at the upper end of the vertical pipe of the water pipe 3, the vertical pipes of the air pipe 2 and the water pipe 3 are both positioned in the cavity of the lower cover 4, the upper end of the inner side of the lower cover 4 is provided with a fixed plate 41, the two sides of the fixed plate 41 are supported by the fixed blocks 42 at the lower end, after the vertical pipe of the air pipe 2 penetrates through the fixed plate 41, the upper end of the vertical pipe of the air pipe 2 is positioned in the cavity of the upper cover 5, and the upper surface at the penetrating part in the middle of the fixed plate 41 is provided with a sealing ring 32, the upper end of the vertical pipe of the water pipe 3 is positioned at the lower end of the fixing plate 41, water vapor cannot permeate into the inner cavity of the upper cover 5, the upper end of the vertical pipe of the air pipe 2 is provided with the arc-shaped fixing head 21 to prevent unfiltered liquid from dripping, when the humidity sensor 6 detects that water in soil is excessive, air ascends from the holes of the lining 53 from the air ports 22 arranged at the two sides of the vertical pipe of the air pipe 2, the air passes through the holes of the two filtering layers 54 and the supporting plate 52 and then is blown out along the through hole 51 arranged at the outer side of the upper cover 5, the air does not carry water mist, the air flow humidity of the air is dry, the soil moisture at the root of a plant can be blown out rapidly, the moisture in the soil can be reduced rapidly, meanwhile, the moisture in the filtering layers 54 can be reduced, the atomizing nozzle 31 is positioned in the lower end cavity of the lower cover 4, the outer ring of the horizontal pipe of the air pipe 2 penetrating through the two sides of the lower cover 4 is provided with a plurality of leakage ports 43, when humidity inductor 6 detected moisture in the soil less, the water in the water pipe 3 was followed atomizer 31 blowout, and atomizer 31 makes from water pipe 3 department water that flows be during atomizing water droplet infiltrates soil from both sides leak 43, gos deep into the root contact with the plant, reduces the waste at water source, easy operation, and lower cover 4 and upper cover 5 can be changed simultaneously.
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 (6)
1. The utility model provides a wisdom garden soil moisture regulation and control subassembly, includes controlling means (1), tuber pipe (2) and water pipe (3), its characterized in that: an air pipe (2) is fixed at the upper end of the left side of the control device (1), a water pipe (3) is fixed at the lower end of the left side of the control device (1), vertical pipes are distributed on the air pipe (2) and the water pipe (3) at equal distance, a lower cover (4) penetrates through the horizontal pipe of the air pipe (2), the vertical pipe of the air pipe (2) is positioned in the middle of the inner side of the lower cover (4), the end part of the vertical pipe of the water pipe (3) penetrates through the middle of the lower end of the lower cover (4), a sealing ring (32) is arranged on the outer side of the middle of the lower end of the lower cover (4), the upper end of the lower cover (4) is connected with an upper cover (5) in a threaded manner, the upper end of the outer side surface of the upper cover (5) is provided with an arc groove (61), the bottom of the arc groove (61) is provided with a humidity sensor (6), and two sides of the arc groove (61) are hinged with rotating plates (62).
2. The intelligent park soil humidity control assembly of claim 1 wherein: the lower extreme in the outside of lower cover (4) is the hemisphere, and the upper end of lower cover (4) is the ring shape that is provided with the external screw thread, the inner chamber of lower cover (4) is the hemisphere, the standpipe of having water pipe (3) runs through in the middle of lower cover (4) lower extreme, the upper end of the standpipe of water pipe (3) is provided with atomizer (31), the outside of the department of running through of the lower extreme of lower cover (4) is provided with sealing washer (32).
3. The intelligent park soil humidity control assembly of claim 1 wherein: the utility model discloses a wind pipe, including lower cover (4), tuber pipe (2) have run through to the both sides of lower cover (4), tuber pipe (2) in the inboard cavity of lower cover (4) are handstand T font, the department of running through of lower cover (4) both sides is provided with round leak (43), the both sides of the inside wall upper end of lower cover (4) are provided with fixed block (42), the upper end of fixed block (42) is provided with fixed plate (41), the standpipe end of tuber pipe (2) runs through the centre of fixed plate (41), be provided with sealing washer (32) in the middle of the upper surface of fixed plate (41), a plurality of tuyeres (22) have been seted up to the both sides of the standpipe end of tuber pipe (2), tuyere (22) all are located the top of fixed plate (41), the upper end of the standpipe of tuber pipe (2) is provided with fixed head (21), the upper surface of fixed head (21) is arc.
4. The intelligent park soil humidity control assembly of claim 1 wherein: the upper end of the outer side of the upper cover (5) is a hemisphere, the lower end of the upper cover (5) is in a ring shape provided with internal threads, through holes (51) are uniformly distributed in the upper cover (5), the lower end of the upper cover (5) is matched with the upper end of the lower cover (4), and the upper cover (5) and the lower cover (4) are spliced to form a complete sphere.
5. The intelligent park soil humidity control assembly of claim 1 wherein: be provided with backup pad (52) of hugging closely the internal surface in the inboard cavity of upper cover (5), the both sides of the upper end of backup pad (52) are provided with fixture block (55), the centre of the upper end of fixture block (55) is provided with the breach, draw-in groove (56) have been seted up to the medial surface of upper cover (5), fixture block (55) and draw-in groove (56) agree with mutually, be provided with two-layer filter layer (54) in the inboard cavity of backup pad (52), the most inboard be provided with inside lining (53) in the inboard cavity of filter layer (54), inside lining (53) and backup pad (52) all are the hemisphere of fretwork, the both sides end of inside lining (53) is fixed at the both sides end of upper cover (5).
6. The intelligent park soil humidity control assembly of claim 1 wherein: the upper end in the outside of upper cover (5) has been seted up circular arc groove (61), circular arc groove (61) are netted, the lower surface of the lower extreme of circular arc groove (61) supports in filter layer (54) on the upper strata, the both sides in circular arc groove (61) all articulate there is rotor plate (62), rotor plate (62) are arc, and the radian of rotor plate (62) is unanimous with the outside radian of upper cover (5), the tank bottom in circular arc groove (61) is provided with dead lever (63), dead lever (63) are the T font, the lower surface of rotor plate (62) is hugged closely to the upper surface of dead lever (63).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120288795.6U CN215122902U (en) | 2021-02-02 | 2021-02-02 | Wisdom garden soil humidity regulation and control subassembly |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120288795.6U CN215122902U (en) | 2021-02-02 | 2021-02-02 | Wisdom garden soil humidity regulation and control subassembly |
Publications (1)
Publication Number | Publication Date |
---|---|
CN215122902U true CN215122902U (en) | 2021-12-14 |
Family
ID=79409037
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202120288795.6U Active CN215122902U (en) | 2021-02-02 | 2021-02-02 | Wisdom garden soil humidity regulation and control subassembly |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN215122902U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116349590A (en) * | 2023-05-31 | 2023-06-30 | 上海华维可控农业科技集团股份有限公司 | Large-scale farmland irrigation system and method based on Internet of things |
-
2021
- 2021-02-02 CN CN202120288795.6U patent/CN215122902U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116349590A (en) * | 2023-05-31 | 2023-06-30 | 上海华维可控农业科技集团股份有限公司 | Large-scale farmland irrigation system and method based on Internet of things |
CN116349590B (en) * | 2023-05-31 | 2023-07-28 | 上海华维可控农业科技集团股份有限公司 | Large-scale farmland irrigation system and method based on Internet of things |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN100591203C (en) | Irrigation system | |
CN206149986U (en) | Novel vegetable greenhouse | |
CN215122902U (en) | Wisdom garden soil humidity regulation and control subassembly | |
CN209330676U (en) | A kind of interaction self-con-tained unit of multiple-energy-source circulation and vertical greening based on green building | |
CN110107131A (en) | Ecology, environmentally friendly high-rise three-dimensional garage in steel | |
CN201700199U (en) | Side wall greening device of building | |
CN103749194B (en) | A kind of flowerpot with rain insensitive device | |
CN209949960U (en) | Roof plant cultivation system | |
CN205284474U (en) | A high -efficient water circulating system of environmental protection for agricultural sprinkling irrigation | |
CN104631561A (en) | Greening landscape underground water-supplementing pond capable of controlling liquid level automatically | |
CN107278604A (en) | A kind of removable garden landscape and construction method | |
CN206078309U (en) | Apple tree cuttage big -arch shelter of growing seedlings | |
CN203194235U (en) | Novel water-saving irrigation system | |
CN210195060U (en) | Green building roof with thermal-insulated function | |
CN204968839U (en) | Atomizing soilless culture device | |
CN209643515U (en) | A kind of ornamental and afforestation trees proof mechanism of water | |
CN111616023A (en) | Energy-saving gardens irrigation equipment | |
CN206371255U (en) | Gardens automatic irrigation system | |
CN207568083U (en) | A kind of roof greening insulation system | |
CN106942023A (en) | A kind of rotary garden mist sprayer | |
CN205884146U (en) | Inclined plane roof greening system | |
CN219939186U (en) | Automatic humidification device for landscape gardens | |
CN214070989U (en) | Irrigation equipment is used in hydraulic engineering farmland | |
CN219421787U (en) | Automatic watering device for landscape of landscape water bank plants | |
CN208370426U (en) | The crop ecological cultivation house being humidified using recirculated water seepage flow evaporative cooling |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |