CN108739259A - A kind of terrace irrigation interlock - Google Patents

A kind of terrace irrigation interlock Download PDF

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Publication number
CN108739259A
CN108739259A CN201810587621.2A CN201810587621A CN108739259A CN 108739259 A CN108739259 A CN 108739259A CN 201810587621 A CN201810587621 A CN 201810587621A CN 108739259 A CN108739259 A CN 108739259A
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CN
China
Prior art keywords
shell
air bag
fixture block
pressing plate
iii
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.)
Pending
Application number
CN201810587621.2A
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Chinese (zh)
Inventor
王�华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ANHUI HUAZHIHUI ECOLOGICAL AGRICULTURAL DEVELOPMENT Co Ltd
Original Assignee
ANHUI HUAZHIHUI ECOLOGICAL AGRICULTURAL DEVELOPMENT Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ANHUI HUAZHIHUI ECOLOGICAL AGRICULTURAL DEVELOPMENT Co Ltd filed Critical ANHUI HUAZHIHUI ECOLOGICAL AGRICULTURAL DEVELOPMENT Co Ltd
Priority to CN201810587621.2A priority Critical patent/CN108739259A/en
Publication of CN108739259A publication Critical patent/CN108739259A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G25/00Watering gardens, fields, sports grounds or the like
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B3/00Methods or installations for obtaining or collecting drinking water or tap water
    • E03B3/02Methods or installations for obtaining or collecting drinking water or tap water from rain-water
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/108Rainwater harvesting

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  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)

Abstract

The present invention relates to field of agricultural irrigation, specifically a kind of terrace irrigation interlock, including the next monomer, middle position monomer and upper monomer, each monomer constituent is similar but differs.It is well known that the moisture in soil can be slowly penetrated to the lower position of topography, to cause to need to increase the irrigation to the higher region of topography emphatically so in arid positioned at upper region lack of moisture in terraced fields.The next monomer of the present apparatus and middle position monomer can beat into the water stored by it in upper monomer, to which the water of all monomers is unified from the release of the water outlet of upper monomer, and then solve the problems, such as the more serious water shortage of upper terraced fields;All monomers of the present apparatus can store the rainwater of rainy days, and can be irrigated when sunlight is stronger, therefore can make full use of water resource;The present apparatus is not necessarily to manual operation using the heat of sunlight as driving force without additional energy supply, and energy conservation and environmental protection is easy to use.

Description

A kind of terrace irrigation interlock
Technical field
The present invention relates to field of agricultural irrigation, specifically a kind of terrace irrigation interlock.
Background technology
It is well known that the moisture in soil can be slowly penetrated to the lower position of topography, it is upper to cause to be located in terraced fields The region lack of moisture of position needs to increase the irrigation to the higher region of topography emphatically so in arid.In addition to this, agriculture Industry irrigation is also not necessarily intended to additionally supply water and irrigate, and can essentially store the water of rainy day, be discharged again until arid day Out irrigated.
Invention content
For the problems of the prior art, the present invention provides a kind of terrace irrigation interlock, the bottoms of the present apparatus Monomer and middle position monomer can beat into the water stored by it in upper monomer, to which the water of all monomers is unified from upper The water outlet release of position monomer, and then solve the problems, such as the more serious water shortage of upper terraced fields;All monomers of the present apparatus can store The rainwater of rainy days, and can be irrigated when sunlight is stronger, therefore can make full use of water resource;The present apparatus is by sunlight Heat is not necessarily to manual operation as driving force without additional energy supply, and energy conservation and environmental protection is easy to use.
In order to achieve the above objectives, technical solution provided by the invention is:
A kind of terrace irrigation interlock, including the next monomer, middle position monomer and upper monomer;The next monomer Including shell I, absorber plate I, pressing plate I, inlet valve I, pressing plate air bag I, rag iron spring I, screens shell I, fixture block I and fixture block spring; The shell I is barrel cover, which has extended downwardly a cylindrical groove, and the middle and upper part in I left side of shell There is a circular hole with the lower part on right side, for storing rainwater, and carries remaining component;The absorber plate I is outside diameter is more than The disk of I outer diameter of shell, absorber plate I are co-axially fixed to I top of shell, which has a circular hole, and on the absorber plate I There are multiple ring-shaped distributed circular holes, these circular holes to be connected to I inner cavity of shell, for amount of solar heat to be transmitted to pressing plate air bag I; The pressing plate I is slidably connected on I inner cavity of shell, has multiple ring-shaped distributed circular holes on the pressing plate I, for pushing flow Flowing;The inlet valve I has multiple, these inlet valves I are installed on the circular hole of pressing plate I, for preventing aqueous reflux;Described Pressing plate air bag I be can axial stretching air bag, the top surface hole of pressing plate air bag I, the top surface of the pressing plate air bag I is fixed to heat absorption I downside of plate, and the hole of the top surface of the pressing plate air bag I is connected to the circular hole at I middle part of absorber plate, the bottom surface of the pressing plate air bag I is solid Determine onto I upper surface of pressing plate, for pushing flow when heated;The both ends of the rag iron spring I are connected respectively to I bottom of pressing plate On the cylinder groove bottom end of I bottom surface of face and shell, for making pressing plate I reset;The screens shell I is the round-meshed tubbiness in bottom surface The open end of shell, screens shell I is fixed on the outside of the circular hole of I left side middle and upper part of shell, for carrying fixture block spring;The card Block I is slidably connected on the circular hole in I left side of shell, the movement for limiting pressing plate I;The fixture block spring is located at screens shell I Interior, the both ends of fixture block spring are connected respectively on screens shell I and fixture block I, for providing thrust for fixture block I.
The middle position monomer includes shell II, absorber plate II, pressing plate II, inlet valve II, pressing plate air bag II, rag iron spring II, screens shell II, fixture block II and fixture block air bag I;The shell II is barrel cover, which extends downwardly There is a cylindrical groove, and there are a circular hole in the left side of II middle and upper part of shell and the both sides of lower part, the circle of II lower left side of shell Hole is by the circular hole on the right side of piping connection to I lower part of shell, for storing rainwater and carrying remaining component, and can with it is upper Monomer is connected to, common transport rainwater;The absorber plate II, pressing plate II, inlet valve II, pressing plate air bag II, rag iron spring II, card Position shell II and fixture block II are identical as absorber plate I, pressing plate I, inlet valve I, pressing plate air bag I, rag iron spring I, screens shell I and fixture block I; The fixture block air bag I be in screens shell II can axial stretching air bag, the both ends of fixture block air bag I are respectively fixed to card On position shell II and fixture block II, and there is a circular hole on the outer end face of the fixture block air bag I, circular hole and the screens shell II of fixture block air bag I Circular hole is connected to, and on circular hole of the circular hole of the fixture block air bag I by piping connection to I top surface of pressing plate air bag, in pressing plate gas It stretches under the pressure control of capsule I, and then control fixture block II is flexible.
The upper monomer includes shell III, absorber plate III, pressing plate III, inlet valve III, pressing plate air bag III, rag iron spring III, screens shell III, fixture block III and fixture block air bag I;The shell III, pressing plate III, inlet valve III, pressing plate air bag III, pressing plate bullet Spring III, screens shell III, fixture block III and fixture block air bag II and shell II, pressing plate II, inlet valve II, pressing plate air bag II, rag iron spring II, screens shell II, fixture block II and fixture block air bag I are identical;The circular hole of III left lower of shell is by piping connection outside On the circular hole of II lower right side of shell, the circular hole of the fixture block air bag II passes through piping connection to the circular hole of II top surface of pressing plate air bag On;The absorber plate III is the disk that diameter is more than III outer diameter of shell, and absorber plate III is co-axially fixed to III top of shell, and should There are multiple ring-shaped distributed circular holes, these circular holes to be connected to III inner cavity of shell on absorber plate III, the absorber plate III and absorber plate II the difference is that its center does not have circular hole, because it need not be communicated to next monomer.
Preferably, check valve is installed on the circular hole on III right side of shell I, shell II and shell, in case flow is flow backwards.
Preferably, the inner end processing of the fixture block I, fixture block II and fixture block III is spheric, in order to make its retraction.
Using technical solution provided by the invention, compared with prior art, have the advantages that:
(1) a kind of terrace irrigation interlock of the invention, the next monomer of the present apparatus and middle position monomer can incite somebody to action Water stored by it is beaten into upper monomer, to which the unification of the water of all monomers be discharged from the water outlet of upper monomer, into And solve the problems, such as the more serious water shortage of upper terraced fields.
(2) a kind of terrace irrigation interlock of the invention, all monomers of the present apparatus can store the rain of rainy days Water, and can be irrigated when sunlight is stronger, therefore can make full use of water resource.
(3) a kind of terrace irrigation interlock of the invention, the present apparatus are not necessarily to volume using the heat of sunlight as driving force Outer energy supply, is not necessarily to manual operation, and energy conservation and environmental protection is easy to use.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is whole structural schematic diagram of the invention;
Fig. 2 is the structural schematic diagram of the next monomer in the present invention;
In figure:1. the next monomer, position monomer in 2., 3. upper monomers, 11. shells I, 12. absorber plates I, 13. pressing plates I, 14. inlet valve I.15. pressing plate air bag I, 16. rag iron springs I, 17. screens shells I, 18. fixture blocks I, 19. fixture block springs I, 21. shells II, 22. absorber plates II, 23. pressing plates II, 24. inlet valves II.25. pressing plate air bag II, 26. rag iron springs II, 27. screens shells II, 28. fixture block II, 29. fixture block air bags I, 31. shells III, 32. absorber plates III, 33. pressing plates III, 34. inlet valves III.35. pressing plate gas Capsule III, 36. rag iron springs III, 37. screens shells III, 38. fixture blocks III, 39. fixture block air bags II.
Specific implementation mode
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, tie below Specific implementation mode is closed, the present invention is further explained.
As shown in Figure 1, a kind of terrace irrigation interlock of the present embodiment, including the next monomer 1, middle 2 and of position monomer Upper monomer 3.
As shown in Figure 1 and Figure 2, the next monomer 1 include shell I 11, absorber plate I 12, pressing plate I 13, inlet valve I 14, Pressing plate air bag I 15, rag iron spring I 16, screens shell I 17, fixture block I 18 and fixture block spring 19;The shell I 11 is tubbiness shell Body, which has extended downwardly a cylindrical groove, and the middle and upper part in I 11 left side of shell and the lower part on right side are equal There is a circular hole;The absorber plate I 12 is the disk that diameter is more than I 11 outer diameter of shell, and absorber plate I 12 is co-axially fixed to shell I 11 tops, which has a circular hole, and has multiple ring-shaped distributed circular holes, these circular holes on the absorber plate I 12 It is connected to I 11 inner cavity of shell;The pressing plate I 13 is slidably connected on I 11 inner cavity of shell, and it is in ring to have on the pressing plate I 13 multiple The circular hole of shape distribution;The inlet valve I 14 has multiple, these inlet valves I 14 are installed on the circular hole of pressing plate I 13;Described Pressing plate air bag I 15 be can axial stretching air bag, the top surface hole of pressing plate air bag I 15, the top surface of the pressing plate air bag I 15 is fixed To I 12 downside of absorber plate, and the hole of the top surface of the pressing plate air bag I 15 is connected to the circular hole at I 12 middle part of absorber plate, the pressing plate gas The bottom surface of capsule I 15 is fixed on I 13 upper surface of pressing plate;The both ends of the rag iron spring I 16 are connected respectively to I 13 bottom surface of pressing plate On the cylinder groove bottom end of I 11 bottom surface of shell;The screens shell I 17 is the round-meshed barrel cover in bottom surface, screens shell I 17 Open end be fixed to I 11 left side middle and upper part of shell circular hole on the outside of;The fixture block I 18 is slidably connected to I 11 left side of shell Circular hole on;The fixture block spring 19 is located in screens shell I 17, and the both ends of fixture block spring 19 are connected respectively to screens shell I 17 On fixture block I 18.
As shown in Figure 1, the middle position monomer 2 include shell II 21, absorber plate II 22, pressing plate II 23, inlet valve II 24, Pressing plate air bag II 25, rag iron spring II 26, screens shell II 27, fixture block II 28 and fixture block air bag I 29;The shell II 21 is bucket Shape shell, II 21 inner chamber bottom surface of shell have extended downwardly a cylindrical groove, and the left side of II 21 middle and upper part of shell and lower part There are a circular hole in both sides, and the circular hole of II 21 lower left side of shell passes through on the circular hole on the right side of piping connection to I 11 lower part of shell; Absorber plate II 22, pressing plate II 23, inlet valve II 24, pressing plate air bag II 25, rag iron spring II 26, screens shell II 27 and the card Block II 28 and absorber plate I 12, pressing plate I 13, inlet valve I 14, pressing plate air bag I 15, rag iron spring I 16, screens shell I 17 and fixture block I 18 is identical;The fixture block air bag I 29 be in screens shell II 27 can axial stretching air bag, the two of fixture block air bag I 29 End is respectively fixed on screens shell II 27 and fixture block II 28, and has a circular hole on the outer end face of the fixture block air bag I 29, fixture block air bag I 29 circular hole is connected to the circular hole of screens shell II 27, and the circular hole of the fixture block air bag I 29 passes through piping connection to pressing plate air bag I On the circular hole of 15 top surfaces.
As shown in Figure 1, the upper monomer 3 include shell III 31, absorber plate III 32, pressing plate III 33, inlet valve III 34, Pressing plate air bag III 35, rag iron spring III 36, screens shell III 37, fixture block III 38 and fixture block air bag I 39;The shell III 31, pressure Plate III 33, inlet valve III 34, pressing plate air bag III 35, rag iron spring III 36, screens shell III 37, fixture block III 38 and fixture block air bag II 39 With shell II 21, pressing plate II 23, inlet valve II 24, pressing plate air bag II 25, rag iron spring II 26, screens shell II 27, fixture block II 28 It is identical with fixture block air bag I 29;The circular hole of III 31 left lower of shell passes through piping connection to II 21 lower right side of shell Circular hole on, and check valve, the fixture block air bag are installed on the circular hole of shell I 11, shell II 21 and the right side of shell III 31 On circular hole of II 39 circular hole by piping connection to II 15 top surface of pressing plate air bag;The absorber plate III 32 is outside diameter is more than The disk of III 31 outer diameter of shell, absorber plate III 32 are co-axially fixed to III 31 top of shell, and it is in ring to have on the absorber plate III 32 multiple The circular hole of shape distribution, these circular holes are connected to III 31 inner cavity of shell;The fixture block I 18, fixture block II 28 and fixture block III 38 it is interior End processing is spheric.
A kind of terrace irrigation interlock of the present embodiment is when specifically used, and when the rainy day, rainwater passes through absorber plate I 12 The circular hole of annular distribution enter inlet valve I 14, and enter further into shell I 11, so far realize the work(of storage rainwater Can, likewise, middle position monomer 2 and upper monomer 3 can also store rainwater, until fine day sunlight strong, pressing plate air bag I 15 by The heating of absorber plate I 12 and expand extension so that pressing plate I 13 pushes fixture block I 18 to bounce back, and then pushes flow to middle position monomer 2 Flowing, and due to fixture block II 28 and fixture block III 38 be constrained by fixture block air bag I 29 and fixture block air bag II 39, and these air bags with The pressing plate air bag of a upper monomer is connected to, so when the air pressure in pressing plate air bag I 15 does not decline to a certain extent, pressing plate II 23 Fixture block II 28 can not be all pushed, likewise, pressing plate III 33 will be also stuck at fixture block III 38, when pressing plate I 13 goes downwards to pressing plate gas Air pressure in capsule I 15 is not enough to that fixture block air bag I 29 is maintained to realize that pressing plate II 23 will picture when making the effect that fixture block II 28 does not bounce back The same downlink of pressing plate I 13, likewise, and then pressing plate III 33 also can downlink so far complete to convey rain to upper monomer 3 one by one Water and the flow for discharging rainwater from upper monomer 3, when the next rainy day, all air bags can all bounce back, and come back to deposit rain The state of water starts next cycle.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should Understand, the present invention is not limited to the above embodiments, and the description in the above embodiment and specification only illustrates the present invention Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these variation and Improvement is both fallen in the scope of protection of present invention.The claimed scope of the invention is by appended claims and its equivalent Object defines.

Claims (3)

1. a kind of terrace irrigation interlock, including the next monomer (1), middle position monomer (2) and upper monomer (3), feature It is:
The next monomer (1) includes shell I (11), absorber plate I (12), pressing plate I (13), inlet valve I (14), pressing plate air bag I (15), rag iron spring I (16), screens shell I (17), fixture block I (18) and fixture block spring (19);The shell I (11) is tubbiness Shell, shell I (11) inner chamber bottom surface have extended downwardly a cylindrical groove, and middle and upper part on the left of the shell I (11) and right side One circular hole is arranged at lower part;The absorber plate I (12) is the disk that diameter is more than shell I (11) outer diameter, and absorber plate I (12) is coaxial Fixed to above shell I (11), there is a circular hole in the middle part of the absorber plate I (12), and there are multiple annular in shape points on the absorber plate I (12) The circular hole of cloth, these circular holes are connected to shell I (11) inner cavity;The pressing plate I (13) is slidably connected to shell I (11) inner cavity On, there are multiple ring-shaped distributed circular holes on the pressing plate I (13);The inlet valve I (14) has multiple, these inlet valves I (14) it is installed on the circular hole of pressing plate I (13);The pressing plate air bag I (15) be can axial stretching air bag, pressing plate air bag I (15) top surface of top surface hole, the pressing plate air bag I (15) is fixed on the downside of absorber plate I (12), and the pressing plate air bag I (15) The hole of top surface be connected to the circular hole in the middle part of absorber plate I (12), the bottom surface of the pressing plate air bag I (15) is fixed to pressing plate I (13) On upper surface;The both ends of the rag iron spring I (16) are connected respectively to the circle of pressing plate I (13) bottom surface and shell I (11) bottom surface On column slot bottom end;The screens shell I (17) is the round-meshed barrel cover in bottom surface, and the open end of screens shell I (17) is fixed On the left of to shell I (11) on the outside of the circular hole of middle and upper part;The fixture block I (18) is slidably connected to the circular hole on the left of shell I (11) On;The fixture block spring (19) is located in screens shell I (17), and the both ends of fixture block spring (19) are connected respectively to screens shell I (17) and on fixture block I (18);
The middle position monomer (2) includes shell II (21), absorber plate II (22), pressing plate II (23), inlet valve II (24), pressing plate Air bag II (25), rag iron spring II (26), screens shell II (27), fixture block II (28) and fixture block air bag I (29);The shell II (21) it is barrel cover, which has extended downwardly a cylindrical groove, and shell II (21) middle and upper part There are a circular hole in the both sides of left side and lower part, and the circular hole of shell II (21) lower left side passes through piping connection to shell I (11) On circular hole on the right side of lower part;The absorber plate II (22), pressing plate II (23), inlet valve II (24), pressing plate air bag II (25), pressure Flat spring II (26), screens shell II (27) and fixture block II (28) and absorber plate I (12), pressing plate I (13), inlet valve I (14), pressing plate Air bag I (15), rag iron spring I (16), screens shell I (17) and fixture block I (18) are identical;The fixture block air bag I (29) be positioned at In screens shell II (27) can axial stretching air bag, the both ends of fixture block air bag I (29) be respectively fixed to screens shell II (27) and On fixture block II (28), and there is a circular hole on the outer end face of the fixture block air bag I (29), circular hole and the screens shell of fixture block air bag I (29) The circular hole of II (27) is connected to, and the circular hole of the fixture block air bag I (29) passes through piping connection to the circular hole of pressing plate air bag I (15) top surface On;
The upper monomer (3) includes shell III (31), absorber plate III (32), pressing plate III (33), inlet valve III (34), pressing plate Air bag III (35), rag iron spring III (36), screens shell III (37), fixture block III (38) and fixture block air bag I (39);The shell III (31), pressing plate III (33), inlet valve III (34), pressing plate air bag III (35), rag iron spring III (36), screens shell III (37), fixture block III (38) and fixture block air bag II (39) and shell II (21), pressing plate II (23), inlet valve II (24), pressing plate air bag II (25), pressure Flat spring II (26), screens shell II (27), fixture block II (28) and fixture block air bag I (29) are identical;On the left of the shell III (31) On circular hole of the circular hole of lower part by piping connection to shell II (21) lower right side, the circular hole of the fixture block air bag II (39) On circular hole by piping connection to pressing plate air bag II (15) top surface;The absorber plate III (32) is that diameter is more than shell III (31) disk of outer diameter, absorber plate III (32) is co-axially fixed to above shell III (31), and is had on the absorber plate III (32) multiple Ring-shaped distributed circular hole, these circular holes are connected to shell III (31) inner cavity.
2. a kind of terrace irrigation interlock according to claim 1, it is characterised in that:It is the shell I (11), outer Check valve is installed on circular hole on the right side of shell II (21) and shell III (31).
3. a kind of terrace irrigation interlock according to claim 1, it is characterised in that:The fixture block I (18), card The processing of the inner end of block II (28) and fixture block III (38) is spheric.
CN201810587621.2A 2018-06-08 2018-06-08 A kind of terrace irrigation interlock Pending CN108739259A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810587621.2A CN108739259A (en) 2018-06-08 2018-06-08 A kind of terrace irrigation interlock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810587621.2A CN108739259A (en) 2018-06-08 2018-06-08 A kind of terrace irrigation interlock

Publications (1)

Publication Number Publication Date
CN108739259A true CN108739259A (en) 2018-11-06

Family

ID=63999636

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810587621.2A Pending CN108739259A (en) 2018-06-08 2018-06-08 A kind of terrace irrigation interlock

Country Status (1)

Country Link
CN (1) CN108739259A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110739624A (en) * 2019-11-15 2020-01-31 吴永权 environment-friendly switch board is used in sponge city

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110739624A (en) * 2019-11-15 2020-01-31 吴永权 environment-friendly switch board is used in sponge city
CN110739624B (en) * 2019-11-15 2020-11-17 嘉兴鼎尚信息科技有限公司 Environment-friendly switch board is used in sponge city

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Application publication date: 20181106