CN104949826A - Device and method for rapidly measuring water pressure influence on flow rate of to-be-measured drippers - Google Patents
Device and method for rapidly measuring water pressure influence on flow rate of to-be-measured drippers Download PDFInfo
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- CN104949826A CN104949826A CN201510307819.7A CN201510307819A CN104949826A CN 104949826 A CN104949826 A CN 104949826A CN 201510307819 A CN201510307819 A CN 201510307819A CN 104949826 A CN104949826 A CN 104949826A
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Abstract
The invention discloses a device and a method for rapidly measuring water pressure influence on flow rate of to-be-measured drippers. The device comprises a water storage tank, a connecting pipe, a to-be-measured drip irrigation pipe and a pipe plug which are communicated sequentially. Two ends of the to-be-measured drip irrigation pipe are connected with the pipe plug and the connecting pipe respectively through crossover couplings, a pressure gauge is arranged on the connecting pipe, a valve is arranged between the connecting pipe and the corresponding crossover coupling, the water storage tank is a closed container with a pumping hole, the to-be-measured drip irrigation pipe is provided with the to-be-measured drippers, and a measuring container is arranged at the positions of the to-be-measured drippers. The device has the advantages that the device is simple in structure, low in equipment cost, convenient and flexible to operate and capable of rapidly obtaining working flow rate of the to-be-measured drippers in unit time under different working pressure conditions, and precise fertigation of farmer households and water and fertilizer saving are facilitated; flow rate pressure borne by the to-be-measured drip irrigation pipe can be measured rapidly, so that numerous farmer households can select proper to-be-measured drip irrigation pipes moderate in price more purposefully, and production cost can be lowered greatly.
Description
Technical field
The invention belongs to irrigation technique field, more specifically, relate to the devices and methods therefor of a kind of Fast Measurement influence of hydraulic pressure dripping end flow to be measured.
Background technology
China's water resource wretched insufficiency is the main restricting factor of agricultural sustainable development, and Developing Water-saving Agriculture is the common recognition of China's agricultural development.Due to water resource growing tension, the popularization of water-fertilizer integral is with universal, and the technology such as underground drip irrigation, ground drip irrigation becomes one of focus of recent domestic irrigation technique research.Drip irrigation equipment is that drip irrigation system determines to pour water the critical component of quality, higher for its performance requirement, and the normal work that the quality of water dropper is directly connected to drip irrigation system and the effect of pouring water.Drip irrigation emitter is generally made up of low pressure polyethylene, pressure flow in drip irrigation pipe to be measured is by the narrow narrow runner in water dropper, enable measure consume after, drop by drop, equably soil is instilled with the water yield of constant homogeneous, in the gravity and soil of water droplet drip irrigation pipe to be measured effect under, moistening soil gradually.Water dropper consumption in whole drip irrigation system is very large, the cost of water dropper accounts for 25 ~ 30% of the investment of whole drip irrigation system, in movable type drip irrigation system, water dropper is often moved everywhere together with drip irrigation pipe to be measured, use the longevity to use to extend water dropper and reduce the cost of drip irrigation system, requiring that water dropper cost is as far as possible low and sturdy and durable.
The dropper equipment such as current drip irrigation pipe, water dropper are uneven, due to reasons such as working pressures, be easy to cause water dropper to lose or destroy, drip irrigation pipe is aging, drip irrigation pipe tube wall can not resist the problems such as interior pressure (working pressure), these problems always disturb vast plantation family, the serious promotion and application hindering water-fertilizer integral.
In addition, at present, precision agriculture is the new trend of world today's agricultural development, is utilize infotech according to spatial variability, location, regularly, the system of quantitatively implementing a set of modernization farming operative technique and management.Utilize drip irrigation system to carry out Precision Irrigation fertilising and also belong to the very important part of precision agriculture.But, when technical parameters such as unknown water dropper working pressure and time flows, be difficult to Precision Irrigation fertilising.Therefore, it is possible to Fast Measurement is under specified working pressure, this work of the outflow of different water dropper seems extremely important.In today of dropper equipment development, need badly and work out a kind of drip irrigation system solved the problem, this all has very important significance for irrigation equipment company and vast plantation family.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, provide the device of a kind of Fast Measurement influence of hydraulic pressure dripping end flow to be measured.Apparatus of the present invention have the advantages such as structure is simple, equipment cost is low, easy to operate, flexible.Under different operating pressure condition, described device energy Fast Measurement water dropper to be measured, at the working flow of unit interval, is convenient to peasant household and is carried out precision irrigation fertilising, and water saving joint is fertile; This device also can the flow pressure that can bear of Fast Measurement drip irrigation pipe to be measured, can differentiate the quality good or not of drip irrigation pipe to be measured more intuitively simultaneously, is a kind ofly to be applicable to irrigation equipment company and vast plantation family checks dripping of drip irrigation pipe product quality to be measured to irrigate system.
The present invention also provides a kind of method of the Fast Measurement influence of hydraulic pressure dripping end flow to be measured based on said apparatus.
Above-mentioned purpose of the present invention is achieved by the following technical programs.
The device of a kind of Fast Measurement influence of hydraulic pressure dripping end flow to be measured, comprise the water tank, connecting pipe, drip irrigation pipe to be measured and the pipe plug that are communicated with successively, the two ends of described drip irrigation pipe to be measured are connected with pipe plug and connecting pipe respectively by X-over, described connecting pipe is provided with tensimeter, valve is provided with between connecting pipe and X-over, described water tank is be provided with to inflate the closed container in hole, and described drip irrigation pipe to be measured is provided with water dropper to be measured, and water dropper place to be measured is provided with measuring vessel.
Apparatus of the present invention are respectively arranged with X-over at the two ends of drip irrigation pipe to be measured, and described X-over coordinates with dissimilar drip irrigation pipe to be measured, and drip irrigation pipe to be measured connected on such devices, operating personnel as required, can replace different drip irrigation pipe to be measured.Tensimeter is arranged on connecting pipe by described device, and convenient operation personnel understand the pressure condition of water tank, connecting pipe and drip irrigation pipe to be measured; The end of described drip irrigation pipe to be measured is provided with pipe plug, and the hydraulic pressure being beneficial to drip irrigation pipe to be measured maintains more stable state; Measuring vessel corresponds to below water dropper to be measured, is convenient to the efflux reclaiming and measure drip irrigation pipe to be measured.
Preferably, the bottom of described water tank is provided with connector, and described connecting pipe is connected with connector.
Preferably, the shape of described water tank is right cylinder or cube.
Preferably, the material of described water tank is glass, rubber, plastics, stainless steel or iron sheet.
Preferably, described connector is plastic connector, plastics CPC waterproof connector, plastics straight coupling, plastics side entry sub or plastics by-pass valve.
Preferably, described connecting pipe comprises the connecting branch that is interconnected and is connected supervisor, and described connecting branch is connected with water tank, and described connection supervisor is connected with drip irrigation pipe to be measured with X-over by valve.
Preferably, described connecting pipe is PVC plastic flexible pipe, PE flexible pipe, PP flexible pipe, PA nylon hose or stainless-steel tube.Preferably, described connecting pipe is 304 stainless-steel tubes or 316 stainless-steel tubes.
Preferably, described drip irrigation pipe to be measured is provided with several equally distributed water droppers to be measured.
Preferably, described pipe plug is Eight characters pipe plug.
Preferably, described water tank is positioned on support, and described support is for supporting water tank.Preferably, the base of described support is sealed base or hollow out base.
Preferably, described drip irrigation pipe to be measured is placed horizontally on leg.More preferably, described leg is positioned over the below of support, connecting pipe and drip irrigation pipe to be measured, provides a supporting role.
The present invention also provides a kind of method of the Fast Measurement influence of hydraulic pressure dripping end flow to be measured based on said apparatus, comprises the steps:
S1. close described valve, inject proper amount of clear water from inflating Kong Zhongxiang water tank, and then inflate in water tank by inflating hole, observe pressure gauge reading, stop when pressure reaches goal pressure inflating;
S2. measuring vessel is positioned over water dropper place to be measured, open described valve, water in water tank flows out equably under certain pressure effect from the water dropper to be measured of drip irrigation pipe to be measured, start the clock when water dropper to be measured drips, described valve is closed after a period of time, stop timing, measure the collection water yield by measuring vessel, the streamflow of described water dropper to be measured in the unit interval can be drawn.
In operating process, can change different drip irrigation pipe to be measured or water dropper to be measured as required, and set different goal pressure, recycle described device under different operating pressure condition, Fast Measurement water dropper to be measured is at the working flow of unit interval; Meanwhile, the flow pressure that Fast Measurement drip irrigation pipe to be measured can bear, thus identify the quality good or not of drip irrigation pipe to be measured more intuitively.
Preferably, described drip irrigation pipe to be measured is provided with several different water droppers to be measured, is all placed with measuring vessel below each water dropper to be measured.
Compared with prior art, beneficial effect of the present invention is: apparatus of the present invention structure is simple, equipment cost is low, easy to operate, flexible, under different operating pressure condition, the working flow of quick understanding water dropper unit interval to be measured, is convenient to peasant household and carries out precision irrigation fertilising, and water saving joint is fertile; Meanwhile, also can the flow pressure that can bear of Fast Measurement drip irrigation pipe to be measured, be convenient to that vast plantation family is more on purpose selected comparatively to be applicable to, the drip irrigation pipe to be measured of price rather moderate, production cost can be reduced widely.
Accompanying drawing explanation
Fig. 1 is the structural representation of the device of a kind of Fast Measurement of the present invention influence of hydraulic pressure dripping end flow to be measured.
Caption: 1-water tank; 11-inflates hole; 12-connector; 2-connecting pipe; 21-connecting branch; 22-connects supervisor; 23-valve; 3-support; 4-tensimeter; 5-drip irrigation pipe to be measured; 51-water dropper to be measured; 52-pipe plug; 53-X-over; 6-leg; 7-measuring vessel.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in detail.Wherein, accompanying drawing only for exemplary illustration, expression be only schematic diagram, but not pictorial diagram, can not be interpreted as the restriction to this patent; In order to better embodiments of the invention are described, some parts of accompanying drawing have omission, zoom in or out, and do not represent the size of actual product; For a person skilled in the art, in accompanying drawing, some known features and explanation thereof may be omitted is understandable.
embodiment 1
As described in Figure 1, present embodiments provide the device of a kind of Fast Measurement influence of hydraulic pressure dripping end flow to be measured, comprise water tank 1, connecting pipe 2, support 3, drip irrigation pipe to be measured 5, leg 6 and measuring vessel 7.Described water tank 1 inflates the closed container in hole 11 for top is provided with, the bottom of water tank 1 is provided with connector 12, and water tank 1 is positioned on support 3, and support 3 is for supporting water tank 1, and the base of support 3 is hollow out base.Described connecting pipe 2 comprises the connecting branch 21 that is interconnected and is connected supervisor 22, and described connecting branch 21 is connected with the connector 12 of water tank 1, and the end of described connection supervisor 22 is provided with valve 23.The two ends of drip irrigation pipe 5 to be measured are connected with pipe plug 52 and valve 23 respectively by X-over 53, connect supervisor 22 and are provided with tensimeter 4, utilize tensimeter 4 to understand the pressure condition of water tank 1, connecting pipe 2 and drip irrigation pipe to be measured 5.Described drip irrigation pipe to be measured 5 is provided with several equally distributed water droppers 51 to be measured, and the pipe plug 52 of the end of drip irrigation pipe 5 to be measured is Eight characters pipe plug, and the hydraulic pressure being beneficial to drip irrigation pipe 5 to be measured maintains more stable state.The below of water dropper 51 to be measured is placed with the measuring vessel 7 of band volume markings.Described leg 6 is positioned over the below of support 3, connecting pipe 2 and drip irrigation pipe to be measured 5, provides a supporting role, and described measuring vessel 7 is put in below support, below water dropper 51 to be measured, is convenient to the efflux reclaiming drip irrigation pipe 5 to be measured.
Apparatus of the present invention are respectively arranged with X-over 53 at the two ends of drip irrigation pipe 5 to be measured, described X-over 53 coordinates with dissimilar drip irrigation pipe to be measured 5, drip irrigation pipe 5 to be measured is connected on such devices, operating personnel can be as required, replace different drip irrigation pipe to be measured 5, thus can the different drip irrigation pipe 5 to be measured of Fast Measurement or water dropper to be measured 51 at the working flow of unit interval.
embodiment 2
The present embodiment provides a kind of method of the Fast Measurement influence of hydraulic pressure dripping end flow to be measured based on device described in embodiment 1, comprises the steps:
S1. closing described valve 23, injecting proper amount of clear water from inflating hole 11 to water tank 1, and then inflate in water tank 1 by inflating hole 11, observe the reading of tensimeter 4, stop when pressure reaches goal pressure inflating.
S2. measuring vessel 7 is positioned over water dropper to be measured 51 times, open described valve 23, water in water tank 1 flows out equably under certain pressure effect from the water dropper to be measured 51 of drip irrigation pipe 5 to be measured, start the clock when water dropper 51 to be measured drips, described valve 23 is closed after a period of time, stop timing, measure the collection water yield by measuring vessel 7, the streamflow of described water dropper to be measured 51 in the unit interval can be drawn.
In operating process, can change different drip irrigation pipe to be measured 5 or water dropper to be measured 51 as required, and set different goal pressure, recycle described device under different operating pressure condition, Fast Measurement water dropper 51 to be measured is at the working flow of unit interval; Meanwhile, the flow pressure that Fast Measurement drip irrigation pipe 5 to be measured can bear, thus identify the quality good or not of drip irrigation pipe 5 to be measured more intuitively.
Utilize said method when rated operating pressure, measure the streamflow of common water dropper to be measured and pressure compensation water dropper unit interval to be measured respectively, the results are shown in Table 1.
Table 1 is discharge rate to be measured under the atmospheric operating pressure conditions of difference
Obviously, the above embodiment of the present invention is only used to example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description, exhaustive without the need to also giving all embodiments here.All do within the spirit and principles in the present invention scope any amendment, equivalent to replace and improvement etc., within the protection domain that all should be included in the claims in the present invention.
Claims (10)
1. the device of a Fast Measurement influence of hydraulic pressure dripping end flow to be measured, it is characterized in that, comprise the water tank, connecting pipe, drip irrigation pipe to be measured and the pipe plug that are communicated with successively, the two ends of described drip irrigation pipe to be measured are connected with pipe plug and connecting pipe respectively by X-over, described connecting pipe is provided with tensimeter, is provided with valve between connecting pipe and X-over, and described water tank is be provided with to inflate the closed container in hole, described drip irrigation pipe to be measured is provided with water dropper to be measured, and water dropper place to be measured is provided with measuring vessel.
2. device according to claim 1, is characterized in that, the bottom of described water tank is provided with connector, and described connecting pipe is connected with connector.
3. device according to claim 2, is characterized in that, described connector is plastic connector, plastics CPC waterproof connector, plastics straight coupling, plastics side entry sub or plastics by-pass valve.
4. device according to claim 1, is characterized in that, described connecting pipe comprises the connecting branch that is interconnected and is connected supervisor, and described connecting branch is connected with water tank, and described connection supervisor is connected with drip irrigation pipe to be measured with X-over by valve.
5. device according to claim 1, is characterized in that, described drip irrigation pipe to be measured is provided with several equally distributed water droppers to be measured.
6. device according to claim 1, is characterized in that, described pipe plug is Eight characters pipe plug.
7. device according to claim 1, is characterized in that, described water tank is positioned on support.
8. device according to claim 1, is characterized in that, described drip irrigation pipe to be measured is placed horizontally on leg.
9., based on the method for the Fast Measurement influence of hydraulic pressure dripping end flow to be measured of device described in any one of claim 1 ~ 8, it is characterized in that, comprise the steps:
S1. close described valve, inject proper amount of clear water from inflating Kong Zhongxiang water tank, and then inflate in water tank by inflating hole, observe pressure gauge reading, stop when pressure reaches goal pressure inflating;
S2. measuring vessel is positioned over water dropper place to be measured, open described valve, water in water tank flows out equably under certain pressure effect from the water dropper to be measured of drip irrigation pipe to be measured, start the clock when water dropper to be measured drips, described valve is closed after a period of time, stop timing, measure the collection water yield by measuring vessel, the streamflow of described water dropper to be measured in the unit interval can be drawn.
10. method according to claim 9, is characterized in that, described drip irrigation pipe to be measured is provided with several different water droppers to be measured, is all placed with measuring vessel below each water dropper to be measured.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510307819.7A CN104949826A (en) | 2015-06-08 | 2015-06-08 | Device and method for rapidly measuring water pressure influence on flow rate of to-be-measured drippers |
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| CN201510307819.7A CN104949826A (en) | 2015-06-08 | 2015-06-08 | Device and method for rapidly measuring water pressure influence on flow rate of to-be-measured drippers |
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| CN104949826A true CN104949826A (en) | 2015-09-30 |
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| CN107238489A (en) * | 2017-05-25 | 2017-10-10 | 大禹节水集团股份有限公司 | Dripping end flow device for fast detecting |
| CN108168626A (en) * | 2018-03-26 | 2018-06-15 | 中国水利水电科学研究院 | Quickly measure the devices and methods therefor of buried douche pressure and flow |
| CN108732332A (en) * | 2018-07-18 | 2018-11-02 | 中国农业科学院农田灌溉研究所 | A kind of devices and methods therefor measuring the extension of trickle irrigation soil wetting front |
| CN109115534A (en) * | 2018-09-26 | 2019-01-01 | 天津市中环三峰电子有限公司 | A kind of trickle irrigation product portable test arrangement and test method |
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