CN110786304A - Drip irrigation device with medicine spraying function - Google Patents
Drip irrigation device with medicine spraying function Download PDFInfo
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- CN110786304A CN110786304A CN201911201560.2A CN201911201560A CN110786304A CN 110786304 A CN110786304 A CN 110786304A CN 201911201560 A CN201911201560 A CN 201911201560A CN 110786304 A CN110786304 A CN 110786304A
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- 230000002262 irrigation Effects 0.000 title claims abstract description 27
- 238000003973 irrigation Methods 0.000 title claims abstract description 27
- 238000005507 spraying Methods 0.000 title claims abstract description 20
- 239000003814 drug Substances 0.000 title claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 59
- 239000000575 pesticide Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 description 18
- 239000007921 spray Substances 0.000 description 6
- 239000003337 fertilizer Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 241000238631 Hexapoda Species 0.000 description 2
- 241000607479 Yersinia pestis Species 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 230000004720 fertilization Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000000749 insecticidal effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000002917 insecticide Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M7/00—Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
- A01M7/0025—Mechanical sprayers
- A01M7/0032—Pressure sprayers
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
- A01C23/04—Distributing under pressure; Distributing mud; Adaptation of watering systems for fertilising-liquids
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- 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
- A01G25/02—Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
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- 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
- A01G25/02—Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
- A01G25/023—Dispensing fittings for drip irrigation, e.g. drippers
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M7/00—Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
- A01M7/005—Special arrangements or adaptations of the spraying or distributing parts, e.g. adaptations or mounting of the spray booms, mounting of the nozzles, protection shields
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- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental Sciences (AREA)
- Soil Sciences (AREA)
- Water Supply & Treatment (AREA)
- Insects & Arthropods (AREA)
- Pest Control & Pesticides (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Mechanical Engineering (AREA)
- Nozzles (AREA)
- Catching Or Destruction (AREA)
Abstract
本发明涉及一种具有喷药功能的滴灌装置，包括：加压站、若干个可调喷嘴和管道，所述若干个可调喷嘴安装在管道上，所述管道与加压站连接；所述可调喷嘴包括水管、喷嘴管和喷嘴帽，可调喷嘴通过水管安装在管道上，喷嘴管安装在水管上，且与水管内部连通；喷嘴管的内径小于水管的内径，喷嘴管与喷嘴帽连接的一端加工成锥形，喷嘴管的侧壁上加工外螺纹，喷嘴帽与喷嘴管连接的一端为梯级空腔，一级空腔为圆锥形，与喷嘴管的锥形端配合，二级空腔的内壁上加工内螺纹，与所述外螺纹配合；喷嘴帽的中部设置喷嘴，喷嘴为扩口结构。
The invention relates to a drip irrigation device with a spraying function, comprising: a pressurizing station, several adjustable nozzles and pipes, the several adjustable nozzles are mounted on the pipe, and the pipe is connected with the pressurizing station; the The adjustable nozzle includes a water pipe, a nozzle pipe and a nozzle cap. The adjustable nozzle is installed on the pipe through the water pipe, and the nozzle pipe is installed on the water pipe and communicated with the inside of the water pipe; the inner diameter of the nozzle pipe is smaller than the inner diameter of the water pipe, and the nozzle pipe is connected with the nozzle cap. One end of the nozzle tube is processed into a cone, and the side wall of the nozzle tube is processed with external threads. An inner thread is processed on the inner wall of the cavity to cooperate with the outer thread; a nozzle is arranged in the middle of the nozzle cap, and the nozzle is a flared structure.
Description
技术领域technical field
本发明属于农业机械领域，具体涉及一种具有喷药功能的滴灌装置。The invention belongs to the field of agricultural machinery, in particular to a drip irrigation device with a spraying function.
背景技术Background technique
公开该背景技术部分的信息仅仅旨在增加对本发明的总体背景的理解，而不必然被视为承认或以任何形式暗示该信息构成已经成为本领域一般技术人员所公知的现有技术。The information disclosed in this Background section is only for enhancement of understanding of the general background of the invention and should not necessarily be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.
滴灌是目前干旱缺水地区最有效的一种节水灌溉方式，水的利用率可达95％。滴灌较喷灌具有更高的节水增产效果，同时可以结合施肥，提高肥效一倍以上。可适用于果树、蔬菜、经济作物以及温室大棚灌溉，在干旱缺水的地方也可用于大田作物灌溉。Drip irrigation is currently the most effective water-saving irrigation method in arid and water-deficient areas, and the water utilization rate can reach 95%. Drip irrigation has higher water-saving and yield-increasing effects than sprinkler irrigation, and can be combined with fertilization to more than double the fertilizer efficiency. It can be used for irrigation of fruit trees, vegetables, cash crops and greenhouses, and can also be used for field crop irrigation in dry and water-deficient places.
目前，滴灌只能向下浇水施肥，在实际使用过程中，存在大量施叶面肥、叶面喷雾杀虫作业的需求。施叶面肥或叶面喷雾杀虫，一般需要另行架设喷雾装置，提高了投入成本。此外，现有的农药喷雾装置一般是自上往下喷雾，农药喷雾一般喷洒在叶面的上部，而无法喷洒在叶面的下部，影响杀虫效果。At present, drip irrigation can only be used for downward watering and fertilization. In the actual use process, there is a large demand for foliar fertilizer application and foliar spray insecticidal operations. Applying foliar fertilizer or foliar spray to kill insects generally requires a separate spray device, which increases the input cost. In addition, the existing pesticide spraying device generally sprays from top to bottom, and the pesticide spray is generally sprayed on the upper part of the leaf surface, but cannot be sprayed on the lower part of the leaf surface, which affects the insecticidal effect.
发明内容SUMMARY OF THE INVENTION
为了解决现有技术中存在的技术问题，本发明的目的是提供一种具有喷药功能的滴灌装置，利用可变喷头调节出水口流量，结合加压站压力调节，可以喷头雾化和滴水两种作业状态，从而实现浇水保墒、施肥壮苗、雾化喷药杀虫的目的。将滴灌与喷雾杀虫结合在一起，可以实现水肥药一体化操作，减少人工喷药工作量，同时可将附着在叶面底部的害虫杀死，提高农药利用率，降低农药使用量，实现精准作业。In order to solve the technical problems existing in the prior art, the purpose of the present invention is to provide a drip irrigation device with a spraying function. The variable nozzle is used to adjust the flow rate of the water outlet, and combined with the pressure adjustment of the pressurization station, the nozzle can be atomized and dripped. In order to achieve the purpose of watering and moisturizing, fertilizing and strengthening seedlings, and spraying pesticides to kill insects. Combining drip irrigation and spraying insecticides can realize the integrated operation of water and fertilizers, reduce the workload of manual spraying, and at the same time kill the pests attached to the bottom of the leaves, improve the utilization rate of pesticides, reduce the amount of pesticides used, and achieve accurate Operation.
为了解决以上技术问题，本发明的技术方案为：In order to solve the above technical problems, the technical scheme of the present invention is:
一种具有喷药功能的滴灌装置，包括：加压站、若干个可调喷嘴和管道，A drip irrigation device with spraying function, comprising: a pressurizing station, several adjustable nozzles and pipes,
所述若干个可调喷嘴安装在管道上，所述管道与加压站连接；the plurality of adjustable nozzles are installed on the pipeline, the pipeline is connected with the pressurization station;
所述可调喷嘴包括水管、喷嘴管和喷嘴帽，可调喷嘴通过水管安装在管道上，喷嘴管安装在水管上，且与水管内部连通；The adjustable nozzle includes a water pipe, a nozzle pipe and a nozzle cap, the adjustable nozzle is installed on the pipe through the water pipe, and the nozzle pipe is installed on the water pipe and communicates with the inside of the water pipe;
喷嘴管的内径小于水管的内径，喷嘴管与喷嘴帽连接的一端加工成锥形，喷嘴管的侧壁上加工外螺纹，喷嘴帽与喷嘴管连接的一端为梯级空腔，一级空腔为圆锥形，与喷嘴管的锥形端配合，二级空腔的内壁上加工内螺纹，与所述外螺纹配合；The inner diameter of the nozzle tube is smaller than the inner diameter of the water pipe, the end of the nozzle tube connected with the nozzle cap is processed into a cone, the side wall of the nozzle tube is processed with external threads, the end of the nozzle cap and the nozzle tube is connected to a stepped cavity, and the first-level cavity is Conical shape, matched with the tapered end of the nozzle tube, internal threads are machined on the inner wall of the secondary cavity, and matched with the external threads;
喷嘴帽的中部设置喷嘴，喷嘴为扩口结构。A nozzle is arranged in the middle of the nozzle cap, and the nozzle is a flared structure.
本发明的有益效果为：The beneficial effects of the present invention are:
可调喷嘴是本发明的关键部件，通过旋转喷嘴上盖，调节出水口直径。喷药作业时，旋转喷嘴上盖，喷嘴出水口截面积变小，加压站增加管道水压，雾化的药液朝上喷，作用在叶面背面，将害虫杀死。浇水施肥时，旋转喷嘴上盖，喷嘴出水口截面积变大，加压站降低管道水压，水或液态肥从喷嘴中涌出，落入土壤，减少蒸发，实现节水。The adjustable nozzle is the key part of the present invention, and the diameter of the water outlet can be adjusted by rotating the upper cover of the nozzle. During spraying operation, rotate the top cover of the nozzle, the cross-sectional area of the nozzle outlet becomes smaller, the pressure station increases the water pressure of the pipeline, and the atomized liquid is sprayed upward, acting on the back of the leaf surface, killing the pests. When watering and fertilizing, rotate the top cover of the nozzle, the cross-sectional area of the nozzle outlet becomes larger, the pressurizing station reduces the water pressure of the pipeline, and the water or liquid fertilizer pours out of the nozzle and falls into the soil, reducing evaporation and realizing water saving.
附图说明Description of drawings
构成本发明的一部分的说明书附图用来提供对本发明的进一步理解，本发明的示意性实施例及其说明用于解释本发明，并不构成对本发明的不当限定。The accompanying drawings forming a part of the present invention are used to provide further understanding of the present invention, and the exemplary embodiments of the present invention and their descriptions are used to explain the present invention, and do not constitute an improper limitation of the present invention.
图1为本发明实施例的滴灌装置的结构示意图；1 is a schematic structural diagram of a drip irrigation device according to an embodiment of the present invention;
图2为本发明实施例的加压站的结构示意图；2 is a schematic structural diagram of a pressurizing station according to an embodiment of the present invention;
图3为本发明实施例的可调喷嘴的结构示意图。FIG. 3 is a schematic structural diagram of an adjustable nozzle according to an embodiment of the present invention.
其中，1、加压站，1-1、水箱，1-2、注水口，1-3、加压泵，1-4、管道，1-5、阀门，2、可调喷嘴，2-1喷嘴帽，2-2、喷嘴管，2-3、水管。Among them, 1, pressurization station, 1-1, water tank, 1-2, water injection port, 1-3, pressurization pump, 1-4, pipeline, 1-5, valve, 2, adjustable nozzle, 2-1 Nozzle cap, 2-2, nozzle tube, 2-3, water pipe.
具体实施方式Detailed ways
应该指出，以下详细说明都是示例性的，旨在对本发明提供进一步的说明。除非另有指明，本文使用的所有技术和科学术语具有与本发明所属技术领域的普通技术人员通常理解的相同含义。It should be noted that the following detailed description is exemplary and intended to provide further explanation of the invention. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
需要注意的是，这里所使用的术语仅是为了描述具体实施方式，而非意图限制根据本发明的示例性实施方式。如在这里所使用的，除非上下文另外明确指出，否则单数形式也意图包括复数形式，此外，还应当理解的是，当在本说明书中使用术语“包含”和/或“包括”时，其指明存在特征、步骤、操作、器件、组件和/或它们的组合。It should be noted that the terminology used herein is for the purpose of describing specific embodiments only, and is not intended to limit the exemplary embodiments according to the present invention. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural as well, furthermore, it is to be understood that when the terms "comprising" and/or "including" are used in this specification, it indicates that There are features, steps, operations, devices, components and/or combinations thereof.
一种具有喷药功能的滴灌装置，包括：加压站、若干个可调喷嘴和管道，A drip irrigation device with spraying function, comprising: a pressurizing station, several adjustable nozzles and pipes,
所述若干个可调喷嘴安装在管道上，所述管道与加压站连接；the plurality of adjustable nozzles are installed on the pipeline, the pipeline is connected with the pressurization station;
所述可调喷嘴包括水管、喷嘴管和喷嘴帽，可调喷嘴通过水管安装在管道上，喷嘴管安装在水管上，且与水管内部连通；The adjustable nozzle includes a water pipe, a nozzle pipe and a nozzle cap, the adjustable nozzle is installed on the pipe through the water pipe, and the nozzle pipe is installed on the water pipe and communicates with the inside of the water pipe;
喷嘴管的内径小于水管的内径，喷嘴管与喷嘴帽连接的一端加工成锥形，喷嘴管的侧壁上加工外螺纹，喷嘴帽与喷嘴管连接的一端为梯级空腔，一级空腔为圆锥形，与喷嘴管的锥形端配合，二级空腔的内壁上加工内螺纹，与所述外螺纹配合；The inner diameter of the nozzle tube is smaller than the inner diameter of the water pipe, the end of the nozzle tube connected with the nozzle cap is processed into a cone, the side wall of the nozzle tube is processed with external threads, the end of the nozzle cap and the nozzle tube is connected to a stepped cavity, and the first-level cavity is Conical shape, matched with the tapered end of the nozzle tube, internal threads are machined on the inner wall of the secondary cavity, and matched with the external threads;
喷嘴帽的中部设置喷嘴，喷嘴为扩口结构。A nozzle is arranged in the middle of the nozzle cap, and the nozzle is a flared structure.
在一些实施例中，喷嘴管的内径与水管的内径之比为1:8-15。In some embodiments, the ratio of the inner diameter of the nozzle tube to the inner diameter of the water tube is 1:8-15.
喷嘴管的内径小于水管的内径，流经水管的液体再流入喷嘴管时，由于流通面积缩小，压强增大，流速加快，再流经喷嘴帽后，液体内部压强迅速降低，液体以雾状形式喷出。The inner diameter of the nozzle pipe is smaller than the inner diameter of the water pipe. When the liquid flowing through the water pipe flows into the nozzle pipe again, due to the reduction of the flow area, the pressure increases and the flow velocity increases. squirting.
在一些实施例中，所述喷嘴的小径端与大径端的直径之比为1:1.5-3。以提高液体的雾化程度。In some embodiments, the diameter ratio of the small diameter end to the large diameter end of the nozzle is 1:1.5-3. To improve the degree of atomization of the liquid.
在一些实施例中，所述喷嘴管的外径与内径之比为5-10:1。In some embodiments, the ratio of the outer diameter to the inner diameter of the nozzle tube is 5-10:1.
进一步的，所述喷嘴管与喷嘴帽螺纹连接段的长度与喷嘴管内径之比为2-10:1。Further, the ratio of the length of the threaded connection section between the nozzle tube and the nozzle cap to the inner diameter of the nozzle tube is 2-10:1.
喷嘴管的外径和螺纹连接段的长度均远大于喷嘴管的内径，通过将喷嘴帽向外拧出时，喷嘴帽与喷嘴管之间的空腔足以对从喷嘴管中喷出的液体进行降压、降速，使其通过喷嘴帽以水柱的形式喷出。The outer diameter of the nozzle tube and the length of the threaded connection section are much larger than the inner diameter of the nozzle tube. When the nozzle cap is screwed out, the cavity between the nozzle cap and the nozzle tube is sufficient for the liquid sprayed from the nozzle tube. The pressure is reduced and the speed is reduced so that it is ejected in the form of a water column through the nozzle cap.
在一些实施例中，所述喷嘴管与水管的连接处设置缩口导流结构。In some embodiments, a constriction guide structure is provided at the connection between the nozzle pipe and the water pipe.
缩口导流结构可以将水管中的液体更稳定地流入喷嘴管中。The constricted diversion structure can flow the liquid in the water pipe into the nozzle pipe more stably.
在一些实施例中，所述喷嘴管的端部的锥形结构与喷嘴帽的圆锥形一级空腔的形状和尺寸相同。当喷嘴管和喷嘴帽的的螺纹连接完全拧到底时，喷嘴管与喷嘴帽之间完全接触，从喷嘴管喷出的液体直接从喷嘴帽的喷嘴喷出，有利于提高雾化程度。In some embodiments, the conical configuration of the end of the nozzle tube is the same shape and size as the conical primary cavity of the nozzle cap. When the threaded connection between the nozzle tube and the nozzle cap is completely screwed to the bottom, the nozzle tube and the nozzle cap are in complete contact, and the liquid sprayed from the nozzle tube is directly sprayed from the nozzle of the nozzle cap, which is beneficial to improve the degree of atomization.
在一些实施例中，所述加压站包括水箱、加压泵和阀门，加压泵进口通过管道与水箱连接，加压泵的出口与管道连接，管道上设置所述阀门。In some embodiments, the pressurizing station includes a water tank, a pressurizing pump and a valve, the inlet of the pressurizing pump is connected to the water tank through a pipeline, the outlet of the pressurizing pump is connected to the pipeline, and the valve is provided on the pipeline.
在不调节加压泵功率的前提下，可以通过控制阀门的开度来调节管道内的液体压强，进而调节喷雾状态。Under the premise of not adjusting the power of the booster pump, the liquid pressure in the pipeline can be adjusted by controlling the opening of the valve, thereby adjusting the spray state.
在一些实施例中，所述水管与管道之间通过两通管连接。In some embodiments, the water pipe and the pipeline are connected by a two-way pipe.
实施例1Example 1
如图1和图2所示，经过滤的水/药液经注水口1-2加入到水箱1-1中，水箱1-1与加压泵1-3通过管道1-4连接，加压泵1-3出水口与滴灌系统之间设有阀门1-5。加压泵1-3负责为系统提供水压，可以通过调整阀门1-5的开度，在不调整加压泵1-3的前提下，改变滴灌系统的压力。As shown in Figures 1 and 2, the filtered water/medicine is added to the water tank 1-1 through the water injection port 1-2, and the water tank 1-1 and the pressurizing pump 1-3 are connected through the pipeline 1-4, and pressurized There are valves 1-5 between the water outlet of the pump 1-3 and the drip irrigation system. Booster pump 1-3 is responsible for providing water pressure to the system. By adjusting the opening of valve 1-5, the pressure of drip irrigation system can be changed without adjusting booster pump 1-3.
如图3所示，所述的可调喷嘴，由喷嘴帽2-1、喷嘴管2-2和水管2-3组成，其中，喷嘴帽2-1通过螺纹与喷嘴管2-2固定在一起，喷嘴帽2-1、喷嘴管2-2开有通孔，液体从空中喷出。喷嘴管2-2与水管2-3固定在一起。喷嘴帽2-1开口为倒锥体形，喷嘴管2-2内部中空，且内径远小于水管2-3内径，液体在喷嘴管2-2内压力变大。旋转喷嘴帽2-1，当喷嘴帽2-1远离喷嘴管时，喷嘴帽2-1和喷嘴管2-2中间形成空腔，经喷嘴管2-2加压后的液体首先进入这空腔内，液体内部压强降低，液体以液柱的形式涌出，从而实现灌溉作业。旋转喷嘴帽2-1，当喷嘴帽2-1靠近喷嘴管时，喷嘴帽2-1和喷嘴管2-2中间空腔减小，经喷嘴管2-2加压后的液体会直径经过喷嘴帽2-1的扩口喷出，液体内部压强迅速降低，液体以雾状形式喷出，从而实现喷雾作业。As shown in Figure 3, the adjustable nozzle is composed of a nozzle cap 2-1, a nozzle pipe 2-2 and a water pipe 2-3, wherein the nozzle cap 2-1 is fixed with the nozzle pipe 2-2 through threads , The nozzle cap 2-1 and the nozzle tube 2-2 have through holes, and the liquid is ejected from the air. The nozzle pipe 2-2 is fixed with the water pipe 2-3. The opening of the nozzle cap 2-1 is an inverted cone, the nozzle tube 2-2 is hollow inside, and the inner diameter is much smaller than the inner diameter of the water tube 2-3, and the pressure of the liquid in the nozzle tube 2-2 increases. Rotate the nozzle cap 2-1, when the nozzle cap 2-1 is away from the nozzle tube, a cavity is formed between the nozzle cap 2-1 and the nozzle tube 2-2, and the liquid pressurized by the nozzle tube 2-2 first enters this cavity Inside, the internal pressure of the liquid is reduced, and the liquid is gushed out in the form of a liquid column, thereby realizing the irrigation operation. Rotate the nozzle cap 2-1, when the nozzle cap 2-1 is close to the nozzle tube, the cavity between the nozzle cap 2-1 and the nozzle tube 2-2 is reduced, and the liquid pressurized by the nozzle tube 2-2 will pass through the nozzle in diameter The flaring of the cap 2-1 is sprayed out, the internal pressure of the liquid is rapidly reduced, and the liquid is sprayed out in the form of mist, thereby realizing the spraying operation.
本发明的管道内液体压强调整方式有三种，一是可以控制加压泵转速，实现水压调节；二是调整阀门1-5，调整管道1-4内部压强；三是调整喷嘴帽2-1，实现出水口的水压调整。三者可以根据实际情况配合使用。There are three ways to adjust the liquid pressure in the pipeline of the present invention, one is to control the speed of the pressurizing pump to realize the water pressure adjustment; the other is to adjust the valve 1-5 to adjust the internal pressure of the pipeline 1-4; the third is to adjust the nozzle cap 2-1 , to realize the water pressure adjustment of the water outlet. The three can be used together according to the actual situation.
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.
Claims (9)
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| CN201911201560.2A CN110786304A (en) | 2019-11-29 | 2019-11-29 | Drip irrigation device with medicine spraying function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111713226A (en) * | 2020-07-02 | 2020-09-29 | 刘化云 | New-energy efficient deep-fertilizing and pesticide-spraying machine for rice |
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