CN100365328C - Intelligent thrift valve - Google Patents
Intelligent thrift valve Download PDFInfo
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- CN100365328C CN100365328C CNB2004101017909A CN200410101790A CN100365328C CN 100365328 C CN100365328 C CN 100365328C CN B2004101017909 A CNB2004101017909 A CN B2004101017909A CN 200410101790 A CN200410101790 A CN 200410101790A CN 100365328 C CN100365328 C CN 100365328C
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- valve
- valve body
- expander
- intelligent
- thrift
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Abstract
The present invention relates to an intelligent thrift valve which is composed of a valve body, a valve core and a control device, wherein the valve body is provided with a water inlet and a water outlet, the control device is composed of an expansion body resetting device, the valve core, the expansion body and the resetting device are all positioned in the valve body. The expansion body expands after the expansion body absorbs water to push the valve core to close the valve, the expansion contracts after the expansion body has no water, and the resetting device pushes the valve core to reset to open the valve. Thus, when the present invention is used, additional manpower and energy source are not need, and the present invention can be controlled automatically according to surrounding soil moisture to supply water for plants. In addition, since the back part of the valve body is provided with an adjusting device, the capacity of the valve body can be adjusted to accommodate the expansion body, and further, the open and close valve corresponding to soil moisture is adjusted. The automatic irrigated case is equivalent to adjust the open and close time of the valve, and the irrigated water quantity is controlled.
Description
Technical field
The present invention relates to a kind of according to by irrigated soil moisture content intelligent control valve.
Background technique
Along with the development of the society progress with science and technology, the ability that people conquer nature with nature remodeling is progressively improving.People have caused very big destruction to physical environment in the process that conquers nature with nature remodeling.It has been recognized that the problem that this is serious now, afforestation is the best way in the process that transforms barren hills with the desert, but in these regional tree planting processes how for plant provide for a long time sufficient water source be one for a long time can't fine solution problem, this just causes tree planting to do every year, loses the phenomenon of woods exactly.In gardens and agricultural production, also there is above-mentioned problem equally.
In the China of shortage of water resources, the research of water-saving irrigation has a large amount of achievements.It is the container of water storage directly to be put into underground that a kind of technology is arranged now, and the water amount of oozing out realizes long-term water supply in the control container, and the shortcoming of this method is to regulate water output according to the water content (soil moisture content) of soil, causes very big waste; Also to take out after having the container of water storage to use up again, cause waste of manpower resource, otherwise pollute the environment.Also have in gardens and agricultural production generally the valve of controlling water system with method such as artificial or automatically controlled, cause the waste of the personnel and the energy.Also there is the shortcoming that to regulate water output according to the water content of soil automatically simultaneously.
Summary of the invention
In view of above-mentioned existing in prior technology problem, the purpose of this invention is to provide and a kind ofly can satisfy above-mentioned requirements, need not add the manpower and the energy during use, can be controlled to be the intelligent thrift valve that plant is supplied water according to the water content of soil automatically.
The objective of the invention is to be achieved through the following technical solutions:
A kind of intelligent thrift valve is made up of valve body, spool and control gear, and valve body is provided with water intake and water outlet; It is characterized in that described control gear is made up of expander and resetting means, spool, expander and resetting means all are positioned at valve body; Expand and promote the spool throttle down in expander suction back, expander dehydration aftershrinkage, and resetting means promotes valve core reset, opens valve.
Described valve body is provided with the infiltration hole, and described infiltration hole is positioned at the position of corresponding expander on the valve body.
Described resetting means is a Returnning spring, is placed on the spool.
Described resetting means also comprises plunger and main spring, and plunger and main spring are successively between expander and spool.
Described valve body is provided with controlling device, is positioned at the expander rear end; Described controlling device is made up of an adjusting screw and the tapped hole on valve body, and adjusting screw can make expander move forward and backward.
Water intake on the described valve body is positioned at the front end of spool; Water outlet on the described valve body can also can be positioned at the side of spool for a plurality of for one.
Described valve body and valve core chamber are provided with seal ring; Be provided with seal ring between described valve body and plunger.
Described expander is made up of water absorbent and infiltration particle, and it is 40%~80% that water absorbent accounts for weight percentage; The infiltration particle accounts for 20%~60% of weight percentage; The summation of the two weight percentage is 100%.
Described water absorbent is wood fiber, carboxymethyl cellulose or plant polyphenol water absorbent.
Described infiltration particle is that granularity is sandstone particle or the macromolecule material particle of 0.5~2.5mm; Described macromolecule material particle is the polyvinyl chloride particle, or other water insoluble material granule that is difficult for degraded again.
By above technological scheme intelligent thrift valve of the present invention as can be known, to form by valve body, spool and control gear, valve body is provided with water intake and water outlet; Described control gear is by the expander resetting means and form, and spool, expander and resetting means all are positioned at valve body; Expand and promote the spool throttle down in expander suction back, expander dehydration aftershrinkage, and resetting means promotes valve core reset, opens valve.So can need not add the manpower and the energy in use, can be controlled to be plant according to the soil moisture content of surrounding soil automatically and supply water.In addition,, can adjust, and then adjust the pairing soil water content of open and close of valve the volume that holds expander of valve body owing to be provided with controlling device at the rear portion of valve body.For the situation of automatic irrigation, also just be equivalent to the time of the open and close of regulating valve, the water yield that control is irrigated.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
The embodiment of intelligent thrift valve of the present invention is made up of with control gear valve body 1, spool 2 as shown in Figure 1, and valve body 1 is provided with water intake 3 and water outlet 4; Described control gear is made up of expander 5 and resetting means, and spool 2, expander 5 all are positioned at valve body 1 with resetting means; Expand and promote spool 2 throttle downs in expander 5 suction backs, expander 5 dehydration aftershrinkage, and resetting means promotes spool 2 and resets, and opens valve.
Described resetting means is made up of with main spring 8 Returnning spring 6, plunger 7, Returnning spring 6 is placed on the spool 2, two ends act on respectively on valve body 1 and the spool 2, and between expander 5 and spool 2, main spring 8 two ends act on respectively on plunger 7 and the spool 2 successively for plunger 7 and main spring 8.
Also be provided with controlling device in the expander rear end and be made up of an adjusting screw 9 and the tapped hole 10 on valve body 1, rotation adjusting screw 9 can make expander 5 move forward and backward.
In order to make valve body 1 outer moisture can successfully infiltrate valve body 1 inside, on valve body 1, be provided with infiltration hole 11, infiltration hole 11 is positioned at the position of corresponding expander 5 on the valve body 1.
Be provided with seal ring 12 at valve body 1 and 2 of spools in addition; Be provided with seal ring 13 at valve body 1 and 7 of plungers.
Above-mentioned expander 5 is made up of water absorbent and infiltration particle, and it is 40%~80% that water absorbent accounts for weight percentage; The infiltration particle accounts for 20%~60% of weight percentage; The summation of the two weight percentage is 100%.Often the mode of execution that adopts is that to account for weight percentage be 50% to water absorbent; The infiltration particle accounts for 50% of weight percentage.
Water absorbent is that wood fiber, carboxymethyl cellulose and plant polyphenol water absorbent etc. have one or more in the slow degradation water uptake expansion material.It is sandstone particle or the macromolecule material particle of 0.5~2.5mm that the infiltration particle can adopt granularity; Macromolecule material particle is the polyvinyl chloride particle, or other water insoluble material granule that is difficult for degraded again.
The specific embodiment of the composition of expander 5 sees Table 1:
The composition of the each component of table 1 expander 5 (weight percentage)
Because of the water absorbent in the expander 5 has imbibition, the characteristics of dehydration aftershrinkage.Make expander 5 have imbibition, the characteristics of dehydration aftershrinkage.
The end that expander 5 is housed with valve during use is embedded in the soil of being irrigated, and the degree of depth of imbedding is according to the root growth degree of depth decision of being irrigated plant.Water intake 3 connects iirigation water source, and water outlet 4 connects irrigation system.Defining valve body 1 water intake 3 one ends for convenience of explanation is front end, and the other end is the rear end.
When enough or soil was enough moistening when the moisture of irrigating, the moisture in the soil was infiltrated in the expanders 5 by infiltration hole 11, and volume becomes big after expander 5 imbibitions.Promote plunger 7 and move forward, plunger 7 compression main springs 8, main spring 8 shrink its pressure that acts on the spool 2 and become big, and when this pressure acted on pressure on the spool 2 greater than Returnning spring 6, spool 2 moved forward.Along with the increase of expander 5 water absorptions, expander 5 volumes are increasing, and the pressure that acts on the spool 2 is also increasing, move forward up to promotion spool 2 and close water intake 3, and iirigation water source can not enter valve body 1.Throttle down finishes to irrigate.
After the water evaporation in the soil, the soil around the valve is in drought status.In the soil around moisture in the expander 5 is infiltrated by infiltration hole 11, the expander 5 that dries out shrinks the back smaller volume.Main spring 8 elongations promote plunger 7 and move backward, because of main spring 8 its pressure that act on the spool 2 of elongation diminish, when this pressure acts on pressure on the spool 2 less than Returnning spring 6, spool 2 moves backward and opens water intake 3, the water of iirigation water source enters valve body 1 by water intake 3 and flows into irrigation system from water outlet 4, and crop is irrigated.
Regulate the front and back position of adjusting screw 9 and can change the space size of holding expander 5 in the valve body 1 in valve body 1 rear end, adjusting screw 9 moves backward, it is big that this space becomes, expander 5 imbibitions reach can throttle down volume just big, this just requires the water content in the surrounding soil big.In this case, expander 5 needs the water yield of suction also big, and the needed time also will be grown, and irrigation quantity is just big.Otherwise adjusting screw 9 moves forward, and this space diminishes, expander 5 imbibitions reach can throttle down volume just little, this just requires the water content in the surrounding soil less.In this case, expander 5 needs the water yield of suction also little, and the needed time also will lack, and irrigation quantity is just few.
By above characteristics, intelligent thrift valve of the present invention can be according to the position that require different adjustment adjusting screw 9 of different plants to soil water content.Also can control the time of each irrigation by the position of regulating adjusting screw 9.Have maintenance, regulate simply advantage applied widely.
The above intelligent thrift valve only is preferable embodiment and the representational embodiment of the present invention; The structure of described intelligent thrift valve also only is representational structure simultaneously; But protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses, and the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (9)
1. an intelligent thrift valve is made up of valve body, spool and control gear, and valve body is provided with water intake and water outlet; It is characterized in that described control gear is made up of expander and resetting means, spool, expander and resetting means all are positioned at valve body; Being provided with main spring between expander and the spool, expands and promotes the spool throttle down by main spring in expander suction back, expander dehydration aftershrinkage, and resetting means promotes valve core reset, opens valve.
2. intelligent thrift valve according to claim 1 is characterized in that described valve body is provided with the infiltration hole, and described infiltration hole is positioned at the position of corresponding expander on the valve body.
3. intelligent thrift valve according to claim 1 is characterized in that described resetting means comprises Returnning spring, is placed on the spool.
4. according to claim 1 or 3 described intelligent thrift valves, it is characterized in that being provided with plunger between described expander and the main spring.
5. intelligent thrift valve according to claim 1 is characterized in that described valve body is provided with controlling device, is positioned at the expander rear end; Described controlling device is made up of an adjusting screw and the tapped hole on valve body, and adjusting screw can make expander move forward and backward.
6. intelligent thrift valve according to claim 1 is characterized in that the water intake on the described valve body is positioned at the front end of spool; Water outlet on the described valve body can also can be positioned at the side of spool for a plurality of for one.
7. intelligent thrift valve according to claim 4 is characterized in that described valve body and valve core chamber are provided with seal ring; Be provided with seal ring between described valve body and plunger.
8. intelligent thrift valve according to claim 1, it is characterized in that described expander by water absorbent with the infiltration particle form, it is 40%~80% that water absorbent accounts for weight percentage; The infiltration particle accounts for 20%~60% of weight percentage; The summation of the two weight percentage is 100%.
9. intelligent thrift valve according to claim 8 is characterized in that described water absorbent is wood fiber, carboxymethyl cellulose or plant polyphenol water absorbent.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNB2004101017909A CN100365328C (en) | 2004-12-24 | 2004-12-24 | Intelligent thrift valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CNB2004101017909A CN100365328C (en) | 2004-12-24 | 2004-12-24 | Intelligent thrift valve |
Publications (2)
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CN1796840A CN1796840A (en) | 2006-07-05 |
CN100365328C true CN100365328C (en) | 2008-01-30 |
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CNB2004101017909A Expired - Fee Related CN100365328C (en) | 2004-12-24 | 2004-12-24 | Intelligent thrift valve |
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Families Citing this family (16)
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CN102095019A (en) * | 2010-12-17 | 2011-06-15 | 张正祥 | Intelligent water faucet without power supply |
CN102177831A (en) * | 2011-03-01 | 2011-09-14 | 李若修 | Automatic control plant water-saving and water-holding device |
CN102330821B (en) * | 2011-07-18 | 2013-07-17 | 江苏常盛管业有限公司 | Water-saving irrigation valve |
CN102415314A (en) * | 2011-09-09 | 2012-04-18 | 代勇 | Water-saving type automatic filtration irrigation device |
CN103301978A (en) * | 2013-06-26 | 2013-09-18 | 张卫 | Automatic sprayer |
CN104488586B (en) * | 2014-11-21 | 2017-01-11 | 温州大学瓯江学院 | Flowerpot with unmanned automatic-control watering function |
US20180328513A1 (en) | 2015-11-13 | 2018-11-15 | Rain Bird Corporation | Moisture sensing valves and devices |
CN105746310A (en) * | 2016-03-03 | 2016-07-13 | 甘肃省农业科学院林果花卉研究所 | Control method and device for performing trickle irrigation according to requirement of fruit tree for soil water content |
CN105684833A (en) * | 2016-03-06 | 2016-06-22 | 孟红琳 | Active dredging type infiltrating irrigation device |
CN107047252A (en) * | 2017-05-22 | 2017-08-18 | 华侨大学 | The automatic irrigation device of water pipe break-make is controlled based on absorbent material |
CN107548795A (en) * | 2017-09-28 | 2018-01-09 | 胡振华 | Indoor moduleization intelligently plants level ground |
CN107826815B (en) * | 2017-11-13 | 2019-09-27 | 罗静 | Dump humidifies band |
CN108353768B (en) * | 2018-01-05 | 2020-07-07 | 西藏自治区农牧科学院蔬菜研究所 | A intelligent irrigation system for tropical fruit |
CN110946061B (en) * | 2019-12-17 | 2021-06-22 | 福建坤加建设有限公司 | Intelligent irrigation method and device for garden nursery stocks |
CN113575380A (en) * | 2021-09-15 | 2021-11-02 | 沈慧芳 | Water circulation combination system that green landscape irrigates |
CN114080973B (en) * | 2021-11-22 | 2023-05-09 | 河北工程大学 | Soil humidity control drip irrigation system with intermittent water supply function |
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Publication number | Priority date | Publication date | Assignee | Title |
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US4989628A (en) * | 1989-02-17 | 1991-02-05 | Plastro-Guat | Moisture-responsive valve assembly |
CN2108207U (en) * | 1991-10-28 | 1992-06-24 | 李家富 | Timing self-closing flow control valve |
US5794848A (en) * | 1994-12-30 | 1998-08-18 | Moss Products Pty Ltd | Hygrostat and system |
CN2520947Y (en) * | 2001-10-21 | 2002-11-20 | 孙友文 | Automatic control humidity spraying valve |
CN1386405A (en) * | 2001-03-07 | 2002-12-25 | 谷川明男 | Irrigation valve |
US6782909B1 (en) * | 1998-12-21 | 2004-08-31 | Clive Lindsay Ragless | Matric potential responder improvements |
-
2004
- 2004-12-24 CN CNB2004101017909A patent/CN100365328C/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4989628A (en) * | 1989-02-17 | 1991-02-05 | Plastro-Guat | Moisture-responsive valve assembly |
CN2108207U (en) * | 1991-10-28 | 1992-06-24 | 李家富 | Timing self-closing flow control valve |
US5794848A (en) * | 1994-12-30 | 1998-08-18 | Moss Products Pty Ltd | Hygrostat and system |
US6782909B1 (en) * | 1998-12-21 | 2004-08-31 | Clive Lindsay Ragless | Matric potential responder improvements |
CN1386405A (en) * | 2001-03-07 | 2002-12-25 | 谷川明男 | Irrigation valve |
CN2520947Y (en) * | 2001-10-21 | 2002-11-20 | 孙友文 | Automatic control humidity spraying valve |
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CN1796840A (en) | 2006-07-05 |
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