CN100591203C - Irrigation system - Google Patents
Irrigation system Download PDFInfo
- Publication number
- CN100591203C CN100591203C CN200610063360A CN200610063360A CN100591203C CN 100591203 C CN100591203 C CN 100591203C CN 200610063360 A CN200610063360 A CN 200610063360A CN 200610063360 A CN200610063360 A CN 200610063360A CN 100591203 C CN100591203 C CN 100591203C
- Authority
- CN
- China
- Prior art keywords
- irrigation
- pipe network
- drainage
- infiltrating
- wall
- 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
- 238000003973 irrigation Methods 0.000 title claims abstract description 218
- 230000002262 irrigation Effects 0.000 title claims abstract description 217
- 238000012544 monitoring process Methods 0.000 claims abstract description 19
- 235000015097 nutrients Nutrition 0.000 claims abstract description 17
- 238000011084 recovery Methods 0.000 claims abstract description 14
- 239000002689 soil Substances 0.000 claims description 25
- 239000012528 membrane Substances 0.000 claims description 14
- 230000008676 import Effects 0.000 claims description 8
- 238000006213 oxygenation reaction Methods 0.000 claims description 4
- 238000005276 aerator Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000003337 fertilizer Substances 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000003621 irrigation water Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000009423 ventilation 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
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/16—Control of watering
-
- 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
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
Abstract
The present invention discloses an irrigation system. It includes a central control system and an irrigation system controlled by said central control system. It also includes a drainage-irrigation system and recovery system which are controlled by said central control system. The described central control system includes a monitoring system and a control system, in which the monitoring system includes a irrigation control centre monitoring system and a nutrient monitoring system, and the control system includes an irrigation control centre and a nutrient irrigation control centre.
Description
Technical field
The present invention relates to a kind of irrigation system that comprises infiltrating irrigation, sprinkling irrigation and drip irrigation, especially a kind of intelligent self energy chemical control system and irrigation system with irrigation and drainage function.
Background technology
The Chinese patent notification number be disclose in the patent application document of CN 1254168C a kind of infiltrating irrigation, sprinkling irrigation and fertigation intelligent control system with and pipeline structure, include control system and infiltrating irrigation, sprinkling irrigation and drip irrigation system.Wherein, infiltrating irrigation, sprinkling irrigation and drip irrigation system mainly are infiltrating irrigation, sprinkling irrigation and the drip irrigations of moisture content infiltrating irrigation, sprinkling irrigation and drip irrigation and fertilizer, has intelligent control, but this infiltrating irrigation, sprinkling irrigation and drip irrigation system, humidity in the assurance soil that can be useful when dry season and the abundance that guarantees fertilizer at any time, if but, under a lot of situation of soil moisture, do not have effective drainage system in waterlogging season; Simultaneously, if under desert or soil property run off the moisture content situation easily, allow unnecessary moisture content run off in vain, when serious, also can cause water and soil loss, because at the moisture content of waterlogging during season, can wash away the nutrient fertilizer in soil, flow to the water source of river course and sewers etc. if can not in time reclaim, certainly will cause the pollution of water source and soil, but, also economize on resources because after being provided with recovery system, just can be beneficial to environmental protection.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art and the irrigation system of a kind of automation control infiltrating irrigation, sprinkling irrigation and function of drop irrigation is provided and have the recycling function simultaneously and economize on resources, the irrigation system of environmental protection.
Technical scheme
For achieving the above object, the present invention has adopted following technical proposals:
This irrigation system comprises central control system and by the irrigation system of its control, also includes irrigation and drainage system, recovery system by central control system control.
Described central control system includes monitoring system and control system; Wherein monitoring system includes and irrigates control centre's monitoring system and nutrient monitoring system, and control system includes irrigates control centre and nutrient irrigation control centre.
Described irrigation system be interconnected by in length and breadth and the irrigation pipe network that forms of the some irrigation pipes that communicate, this irrigation pipe network can comprise drip irrigation pipe network and sprinkling irrigation pipe network and infiltrating irrigation pipe network, and this irrigation network communicates in infiltrating irrigation, sprinkling irrigation and drip irrigation pipe network import department by suction pump with tank.
Described irrigation and drainage system comprise be interconnected by in length and breadth and the irrigation pipe network that forms of the some infiltrating irrigations, sprinkling irrigation and the drip irrigation pipe that communicate with and the exit communicate with tank by valve, between exit and tank, can be provided with filter; The centre that irrigation and drainage system can be arranged at soil layer also can be arranged on the bottom, also can all be provided with at two places.
Described recovery system comprises tank and recovery feed pipe that communicates with infiltrating irrigation, sprinkling irrigation and drip irrigation pipe network import department and the recovery drainpipe that communicates with irrigation and drainage pipe network exit, can be provided with filter between import department and tank.
Any end of described irrigated area boundary or two ends wherein place is provided with active well, also can be provided with will to enter the moisture content in the irrigation system or contain the atomising device of the liquid atomizing of nutrient etc. in active well; Or can allow the humidification automatic aerator of humidification or oxygenation.
Described irrigation and drainage system also includes the antiseep system, includes to be arranged at the waterproof glued membrane of irrigating layer bottom; The degree of depth of active well is greater than this irrigation district height, and also is equipped with waterproof glued membrane in active well.
Described irrigation pipe comprises outer tube and the some outer wall irrigation and drainage hole that is opened on the outer tube wall, also is provided with a main channel outside in the pipeline, and the position that is higher than outer wall irrigation and drainage hole on the wall of main channel is provided with some inwall irrigation and drainage hole.
Described irrigation and drainage pipes comprises outer tube and the some outer wall irrigation and drainage hole that is opened on the outer tube wall, also is provided with a main channel outside in the pipeline, and the position that is higher than outer wall irrigation and drainage hole on the wall of main channel is provided with some inwall irrigation and drainage hole.
Described irrigation and drainage pipe network is arranged at whole top and the middle part of irrigating layer, can also same irrigation and drainage pipe network be set the bottom again under the waterproof glued membrane of its irrigation layer.
Beneficial effect
By technique scheme, thereby this invention has following beneficial effect:
1. because be provided with waterproof glued membrane, thereby can guarantee that moisture and nutrient fertilizer do not run off in soil horizon seat portion and edge;
2. because be provided with irrigation and drainage system, and be arranged at different degree of depth places, thereby can guarantee moisture content and nutrient in each soil layer uniformly, thereby just can economize on resources, and the environmental protection effect is arranged;
3. because be provided with recovery system, thereby can be collected in the moisture content of waterlogging during season, because at the moisture content of waterlogging during season, can wash away the nutrient fertilizer in soil, flow to the water source of river course and sewers etc. if can not in time reclaim, certainly will cause the pollution of water source and soil, but because after being provided with recovery system, thereby economize on resources, and the environmental protection effect is arranged.
Description of drawings
Fig. 1 is an irrigation system flow chart of the present invention.
Fig. 2 is the schematic diagram of irrigation system of the present invention.
Fig. 3 is the schematic diagram on the other hand of irrigation system of the present invention.
Fig. 4 is drip irrigation and spray irrigation, the infiltrating irrigation pipe network schematic diagram of irrigation system of the present invention.
Fig. 5 is the cross-sectional schematic of irrigation of the present invention, sprinkling irrigation, infiltrating irrigation pipe and irrigation and drainage pipes.
Embodiment
Below in conjunction with accompanying drawing the utility model is made further instruction.
To shown in Figure 5, this invention irrigation system includes central control system 1 and by the irrigation system 2 of its control, also includes irrigation and drainage system 3, recovery system 4 by central control system control as Fig. 1.Described central control system includes monitoring system 12 and control system 14; Wherein monitoring system includes the temperature and humidity, solar illumination of air and earth, rain moisture and wind direction and air monitoring system 122 and nutrient monitoring system 124, and control system includes air in the greenhouse with the irrigation control centre of infiltrating irrigation, sprinkling irrigation and the drip irrigation of temperature and humidity, the solar illumination of earth, rain moisture and wind direction and wind speed or in the irrigation control centre 142 of open-air entirely infiltrating irrigation, sprinkling irrigation and drip irrigation and the irrigation control centre 144 of nutrient infiltrating irrigation, sprinkling irrigation and drip irrigation.The irrigation system of described infiltrating irrigation, sprinkling irrigation and drip irrigation comprise be interconnected by in length and breadth and the irrigation pipe network 22 of the some infiltrating irrigations that communicate, sprinkling irrigation and drip irrigation pipe 20 infiltrating irrigation, sprinkling irrigation and the drip irrigation that form, and this irrigation pipe network communicates in irrigation pipe network import department by suction pump 6 with tank 5; As shown in Figure 4, the described irrigation pipe 20 that can be used as infiltrating irrigation, sprinkling irrigation and drip irrigation comprises outer tube 201 and is opened in some outer wall irrigation and drainage hole 202 on the outer tube wall, also be provided with a main channel 203 outside in the pipeline, main channel is a V-arrangement, and the position that is higher than outer wall irrigation and drainage hole on the wall of main channel is provided with some inwall irrigation and drainage hole 204.Described irrigation and drainage system comprise be interconnected by in length and breadth and the irrigation and drainage pipe network 32 that forms of the some irrigation and drainage pipes that communicate with and the exit communicate with tank 5 by valve 7, between exit and tank, can be provided with filter 8; This is equipped with filter 8; This irrigation and drainage pipes is identical with the irrigation pipe that can be used as infiltrating irrigation, sprinkling irrigation and drip irrigation.The two ends of described irrigated area boundary are provided with active well 9.Described irrigation and drainage system also includes antiseep system 34, includes to be arranged at the waterproof glued membrane 10 of irrigating layer bottom; The degree of depth of active well is greater than this irrigation district height, and also is equipped with waterproof glued membrane in active well.Described irrigation and drainage pipe network is arranged at the whole middle part of irrigating layer, can also under it irrigates the waterproof glued membrane of bottom of layer same irrigation and drainage pipe network 11 be set again.
This system sets up one one target job district when in use, and the waterproof glued membrane is taped against the appropriate depth place, opens trapezoidal active well in both sides, buries the irrigation and drainage pipe network underground in center, and the irrigation pipe network of infiltrating irrigation, sprinkling irrigation and drip irrigation is set at surface layer.If the monitoring system of central control system control, it generally is sensor, when the data that monitor temperature and humidity, the solar illumination of air in this target job district soil and earth, rain moisture or nutrient are hanged down with the science reference data, can be given to control system by signal of feedback, thereby give signal of irrigation system of infiltrating irrigation, sprinkling irrigation and drip irrigation by central controller, should replenish the part that is short of in the soil, guarantee the best growth soil environment of crop.If in waterlogging season, this monitoring system monitors its humidity and exceeds standard, and then can enable irrigation and drainage system automatically, thereby allows unnecessary moisture content enter from irrigation and drainage pipes in the tank of recovery system; When unnecessary surrounding environment moisture content is too much in the part under the waterproof glued membrane, also can from irrigation and drainage pipes, moisture content be entered tank, thereby can prevent that sealing walks to run off or whole target job district footing shakiness.This is stored in the water in the tank, can be recycling when enabling sprinkling irrigation, infiltrating irrigation system dry season, by suction pump this part water is delivered in sprinkling irrigation, the infiltrating irrigation pipe, between suction pump and tank, filter is set simultaneously, the work of system handles water such as settler can also be set.Be provided with valve between irrigation and drainage pipe network exit and tank, this irrigation and drainage pipe network can also can replenish moisture content and nutrient in this position effective range as sprinkling irrigation, the filtration irrigation device of a middle soil layer in this valve closing.And between irrigation pipe network import department and the suction pump, also be that valve can be set.In described active well, the real-time status of directly seeing irrigation system and irrigation and drainage system that can be artificial is grasped the basic condition of soil, and can also artificial control when central control system goes wrong.In addition, can also level meter be set in active well, whether the irrigation and drainage system and other pipeline of drip irrigation system that are used for monitoring middle level or surface are the level of state, if not, then can artificially adjust.Certainly, the waterproof glued membrane can be layed in the bottom that is undaform target job district, also can be to be layed in straight target job district bottom.In addition, in order to make the irrigation and drainage pipes of bottom can better absorb unnecessary moisture content, can lay one deck cobble at the bottom place.Arranging net that the irrigation and drainage pipe network in middle level and the irrigation and drainage pipe network of bottom can be staggered is provided with at interval.
Can also be used at upper soll layer and glued membrane in addition, reduce evaporation, and keep the temperature of soil, save source of irrigation water.Simultaneously, infiltrating irrigation, sprinkling irrigation and drip irrigation pipe and irrigation and drainage pipes different areas and different crop with and according to different purposes different caliber size and different pore sizes can be set.
Certainly can also in active well, also can be provided with and to enter the moisture content in the irrigation system or to contain the atomising device of the liquid atomizing of nutrient etc.; Or can allow the humidification automatic aerator of humidification or oxygenation, and can be by the sound wave that rises of atomising device with the partly atomized of moisture content, thus contact area increased, help absorbing; When if surrounding soil environment or airborne moisture content are too much, again ventilation blower can be set or the drying machine reduces the humidity in air or the soil environment greatly by irrigation pipe.Especially when relating to the cultivation of no soil temperature chamber, can more efficientlyly allow crop absorb.Can in drying, keep the humidity and the concentration of oxygen of surrounding air by heating oxygenation, change crop growth environment, thereby improve the output value.Can certainly be after crop harvesting, can transform soil earlier before utilizing soil once more, in transformation process, can utilize irrigation pipe spray disinfectant or high-temperature steam with sterilization, thereby when second takes turns crop-planting, more qualified soil environment be arranged.
Claims (7)
1. irrigation system comprises central control system and by the irrigation system of its control, it is characterized in that: also include irrigation and drainage system, recovery system by central control system control; Described central control system includes monitoring system and control system; Wherein monitoring system includes and irrigates control centre's monitoring system and nutrient monitoring system, and control system includes irrigates control centre and nutrient irrigation control centre; Described irrigation system by central control system control comprise be interconnected by in length and breadth and the irrigation pipe network that forms of the some irrigation pipes that communicate, this irrigation pipe network comprises drip irrigation pipe network and sprinkling irrigation pipe network and infiltrating irrigation pipe network, and this irrigation pipe network communicates in infiltrating irrigation, sprinkling irrigation and drip irrigation pipe network import department by suction pump with tank; Be provided with active well at any end of irrigated area boundary or place, two ends wherein, in active well, be provided with and can will enter by the moisture content in the irrigation system of central control system control or contain the atomising device of the liquid atomizing of nutrient, or the humidification automatic aerator of humidification or oxygenation.
2. irrigation system as claimed in claim 1, it is characterized in that: described irrigation and drainage system comprise be interconnected by in length and breadth and the irrigation and drainage pipe network that forms of the some infiltrating irrigations, sprinkling irrigation and the drip irrigation pipe that communicate, and this irrigation and drainage pipe network exit communicates with tank by valve, is provided with filter between exit and tank; Irrigation and drainage system is arranged at the centre of soil layer or is arranged on the bottom of soil layer, and perhaps two places all are provided with.
3. irrigation system as claimed in claim 2, it is characterized in that: described recovery system comprises tank and recovery feed pipe that communicates with infiltrating irrigation, sprinkling irrigation and the drip irrigation pipe network import department of irrigation pipe network and the recovery drainpipe that communicates with irrigation and drainage pipe network exit, is provided with filter between import department and tank.
4. irrigation system as claimed in claim 2 is characterized in that: described irrigation and drainage system also includes the antiseep system, and this antiseep system includes and is arranged at the waterproof glued membrane of irrigating layer bottom; The degree of depth of active well is greater than this irrigated area height, and also is equipped with waterproof glued membrane in active well.
5. irrigation system as claimed in claim 1, it is characterized in that: described irrigation pipe comprises outer tube and the some outer wall irrigation and drainage hole that is opened on the outer tube wall, also be provided with a main channel outside in the pipeline, the position that is higher than outer wall irrigation and drainage hole on the wall of main channel is provided with some inwall irrigation and drainage hole.
6. irrigation system as claimed in claim 2, it is characterized in that: the infiltrating irrigation of described irrigation and drainage pipe network, sprinkling irrigation and drip irrigation pipe comprise outer tube and are opened in some outer wall irrigation and drainage hole on the outer tube wall, also be provided with a main channel outside in the pipeline, the position that is higher than outer wall irrigation and drainage hole on the wall of main channel is provided with some inwall irrigation and drainage hole.
7. irrigation system as claimed in claim 4 is characterized in that: described irrigation and drainage pipe network is arranged at whole top and the middle part of irrigating layer, and the bottom is provided with same irrigation and drainage pipe network again under the waterproof glued membrane of its irrigation layer.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610063360A CN100591203C (en) | 2006-10-27 | 2006-10-27 | Irrigation system |
| PCT/CN2006/003354 WO2008049287A1 (en) | 2006-10-27 | 2006-12-11 | An irrigation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610063360A CN100591203C (en) | 2006-10-27 | 2006-10-27 | Irrigation system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101091449A CN101091449A (en) | 2007-12-26 |
| CN100591203C true CN100591203C (en) | 2010-02-24 |
Family
ID=38990034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610063360A Expired - Fee Related CN100591203C (en) | 2006-10-27 | 2006-10-27 | Irrigation system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN100591203C (en) |
| WO (1) | WO2008049287A1 (en) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102124935B (en) * | 2010-12-17 | 2012-10-10 | 郝晓谷 | Plant irrigation system |
| CN102165910A (en) * | 2010-12-24 | 2011-08-31 | 郭仲秋 | Self-service circulating drainage and irrigation system in irrigation and water conservancy |
| CN102487784B (en) * | 2011-12-12 | 2013-05-08 | 中国农业大学 | Trickle irrigation oxygenation method and trickle irrigation oxygenation device |
| US10578112B2 (en) * | 2012-11-30 | 2020-03-03 | Rubicon Research Pty Ltd | Pipeline system for fluids |
| CN103782876B (en) * | 2014-01-20 | 2016-03-02 | 中国科学院地球化学研究所 | A kind of soil needs water need support intelligent automatical and efficient drip irrigation system |
| EP3002369A1 (en) * | 2014-10-03 | 2016-04-06 | ENERGY SAVINGS FOR AGRICOLTURE & ENVIRONMENT S.r.l IN LIQUIDAZIONE | Irrigation, draining and/or heating system |
| CN105052683A (en) * | 2015-06-14 | 2015-11-18 | 古欣 | System used for plant root system infiltrating irrigation and soil drainage |
| CN104920172A (en) * | 2015-06-15 | 2015-09-23 | 张菲 | Automatic garden plant water supply control system |
| CN104885886A (en) * | 2015-06-29 | 2015-09-09 | 赵增国 | Automatic remote water-saving irrigation control system based on MODBUS communication |
| CN105284551B (en) * | 2015-10-26 | 2018-04-03 | 大禹节水（天津）有限公司 | The laying method of drip irrigation below the surface pipe |
| CN105993350B (en) * | 2016-06-14 | 2017-11-10 | 山东省农业可持续发展研究所 | A kind of remote control monitors wetland substrate and fed water to fertile device at regular time and quantity |
| CN107836326B (en) * | 2017-12-07 | 2024-04-05 | 中国农业科学院农田灌溉研究所 | Integrative drip irrigation system of maize liquid manure |
| CN108693901A (en) * | 2018-04-02 | 2018-10-23 | 钦州学院 | Wisdom agricultural monitoring system |
| CN108476946B (en) * | 2018-04-16 | 2020-09-18 | 浙江同济科技职业学院 | Intelligent irrigation control system and method |
| CN110810208B (en) * | 2019-10-28 | 2021-07-30 | 山东省水利科学研究院 | A hinder accuse device for soil erosion and water loss |
| CN112020972B (en) * | 2020-08-26 | 2023-02-24 | 江苏农林职业技术学院 | Intelligent water and fertilizer integrated system for hard-ground seedling raising of hole-disk organic rice |
| CN113389248B (en) * | 2021-08-16 | 2021-11-02 | 徐州沣收喷灌设备有限公司 | Multifunctional municipal fire irrigation cleaning device and use method thereof |
| CN113854103B (en) * | 2021-09-24 | 2022-10-18 | 安徽省益丰生态农业科技有限公司 | Non-pressure irrigation system |
| CN113994877B (en) * | 2021-10-29 | 2022-10-18 | 贵州省通信产业服务有限公司 | Mountain orchard intelligent irrigation system based on NB-IOT |
| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1041194A (en) * | 1988-09-16 | 1990-04-11 | 吴中威 | Flood-controlling and soil-conserving irrigation and drainage system |
| CN1020936C (en) * | 1988-11-21 | 1993-05-26 | 吴中威 | Irrigation and drainage system with functions of flood prevention and soil conservation |
| CN2090833U (en) * | 1991-02-01 | 1991-12-18 | 湖南省水利科学研究所 | Pressure reducer for preventing seepage of irrigation ditch |
| US5350251A (en) * | 1992-04-08 | 1994-09-27 | Purdue Research Foundation | Planted surface moisture control system |
| CN2438324Y (en) * | 2000-08-19 | 2001-07-11 | 中国农业科学院农田灌溉研究所 | Double-wall pipe drip irrigation hose |
| CN1254168C (en) * | 2003-02-21 | 2006-05-03 | 天津市水利科学研究所 | Intellient control system for fertilization with mode of drop irrigation in greenhouse |
-
2006
- 2006-10-27 CN CN200610063360A patent/CN100591203C/en not_active Expired - Fee Related
- 2006-12-11 WO PCT/CN2006/003354 patent/WO2008049287A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2008049287A1 (en) | 2008-05-02 |
| CN101091449A (en) | 2007-12-26 |
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Effective date of registration: 20141015 Address after: Room 5, building 53-61, Huawei Arts crafts emporium, No. 22, Pak Tin Street, Tsuen Wan, Hongkong, China Patentee after: Ducks Diving Work Itd Address before: Room 6, unit 404, central garden, Huanggang village, Shenzhen, Guangdong, Futian District 518000, China Patentee before: Liang Yaode |
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Effective date of registration: 20200424 Address after: Room 22, 5 / F, Huawei industrial building, 53-61 batianba street, Tsuen Wan, New Territories, Hong Kong, China Patentee after: Tugushen Life Technology Co., Ltd Address before: Room 5, building 53-61, Huawei Arts crafts emporium, No. 22, Pak Tin Street, Tsuen Wan, Hongkong, China Patentee before: Tugushen group (China) Co., Ltd |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100224 Termination date: 20201027 |
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| CF01 | Termination of patent right due to non-payment of annual fee |