WO2018090421A1 - 农业植保机及用于该农业植保机的流量计 - Google Patents

农业植保机及用于该农业植保机的流量计 Download PDF

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Publication number
WO2018090421A1
WO2018090421A1 PCT/CN2016/110557 CN2016110557W WO2018090421A1 WO 2018090421 A1 WO2018090421 A1 WO 2018090421A1 CN 2016110557 W CN2016110557 W CN 2016110557W WO 2018090421 A1 WO2018090421 A1 WO 2018090421A1
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WIPO (PCT)
Prior art keywords
flow meter
disposed
opening
flowmeter
housing
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PCT/CN2016/110557
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English (en)
French (fr)
Inventor
周乐
吴晓龙
谭飞鹏
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SZ DJI Technology Co Ltd
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SZ DJI Technology Co Ltd
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Publication of WO2018090421A1 publication Critical patent/WO2018090421A1/zh
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C39/00—Aircraft not otherwise provided for
    • B64C39/02—Aircraft not otherwise provided for characterised by special use
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C39/00—Aircraft not otherwise provided for
    • B64C39/08—Aircraft not otherwise provided for having multiple wings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D1/00—Dropping, ejecting, releasing or receiving articles, liquids, or the like, in flight
    • B64D1/16—Dropping or releasing powdered, liquid, or gaseous matter, e.g. for fire-fighting
    • B64D1/18—Dropping or releasing powdered, liquid, or gaseous matter, e.g. for fire-fighting by spraying, e.g. insecticides
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
    • G01F1/06—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects using rotating vanes with tangential admission
    • G01F1/075—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects using rotating vanes with tangential admission with magnetic or electromagnetic coupling to the indicating device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U10/00—Type of UAV
    • B64U10/10—Rotorcrafts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U2101/00—UAVs specially adapted for particular uses or applications
    • B64U2101/40—UAVs specially adapted for particular uses or applications for agriculture or forestry operations

Definitions

  • the invention relates to the technical field of agricultural plant protection machines, in particular to an agricultural plant protection machine and a flow meter for the agricultural plant protection machine.
  • the agricultural plant protection machine is a drone for the protection of agricultural and forestry plants.
  • the plant protection machine can be used for spraying, spraying pesticides, seeds and powders.
  • the plant protection machine is petite and powerful, can load pesticides and spray pesticides at low altitudes, and its spraying efficiency is much higher than traditional labor.
  • the flowmeter of the existing plant protection machine is mainly for specific application scenarios, and can only be applied to certain liquid metering, and can not be used for a long time in a harsh environment, which is inconvenient for operation and maintenance. Especially in agricultural spraying operations, it is often necessary to be compatible with hundreds of pesticides.
  • the general flowmeter cannot adapt to the damage caused by different pesticides, especially for emulsifiable concentrates, viscous pesticides, and agglomerated pesticides, which easily cause changes in rotor friction and affect accuracy. . When the rotor is stuck to the medicine, it is difficult to clean and affect the operation. Therefore, the flowmeter of the existing plant protection machine is difficult to accurately measure in such a harsh environment. When the flowmeter is fouled, it cannot be quickly disassembled and cleaned, and the measurement accuracy is restored.
  • the invention provides an agricultural plant protection machine and a flow meter for the agricultural plant protection machine.
  • a flow meter for mounting on a water tank to detect a flow rate of liquid in the water tank comprising: a flow meter housing, a rotor impeller disposed in the flow meter housing, and a rotation speed for detecting the rotor impeller a flow sensor; the flow meter housing is provided with a liquid inlet, a liquid outlet and a first opening, and the first opening is provided with a first cover which is sealable and detachable.
  • a retainer is further disposed in the flowmeter housing, and the rotor impeller is coupled to the retainer.
  • the inner peripheral wall of the first opening portion is provided with a first engaging groove
  • the retaining frame is provided with a first engaging portion adapted to the first engaging groove
  • a first sealing ring is disposed between the retainer and the flow meter housing.
  • the first cover body is provided with a connecting portion, and the first opening portion is provided with a fitting portion, and the connecting portion is connected with the engaging portion to seal the first cover body to the On the first opening.
  • the connecting portion is an internal thread disposed on an inner peripheral wall of the first cover
  • the engaging portion is an external thread disposed on an outer peripheral wall of the first opening, the internal thread and The external threads are mated.
  • the connecting portion is a first latching portion disposed on the first cover
  • the engaging portion is a second latching portion disposed on the first opening
  • the buckle portion is coupled to the second buckle portion.
  • the flow meter housing is further provided with a second opening portion, and the second opening portion is provided with a second cover portion for communicating with the liquid in the water tank.
  • a second sealing ring is disposed between the second cover and the flow meter housing.
  • the second opening portion is provided with a second engaging groove
  • the second cover body is provided with a second engaging portion adapted to the second engaging groove
  • first opening portion is disposed opposite to the second opening portion.
  • the method further includes: a first joint and a second joint, the first joint is connected to the liquid inlet, and the second joint is connected to the liquid outlet.
  • first joint is a quick joint
  • second joint is a quick joint
  • the first opening portion is disposed at an end of the flowmeter housing along an axial direction of the flowmeter housing, and the liquid inlet and the liquid outlet are along the flowmeter housing Radially disposed on an outer peripheral wall of the flowmeter housing.
  • liquid inlet is opposite to the liquid outlet.
  • An agricultural plant protection machine comprising a body, an arm connected to the body, and a power component disposed on the arm, the agricultural planter further comprising: a water tank for loading pesticides and a flow meter as described above The flow meter is disposed on the water tank.
  • the agricultural plant protection machine is a multi-rotor aircraft.
  • the flowmeter of the present invention is easy to disassemble by providing a detachable first cover on the first opening of the flowmeter housing.
  • the first cover body can be quickly disassembled, the rotor impeller is cleaned in time, and then reinstalled to restore the metering accuracy of the flow meter.
  • the agricultural plant protection machine of the invention is used for measuring the viscous liquid when the liquid agglomerates, and the first cover body can be quickly disassembled, the rotor impeller is cleaned in time, and then reinstalled to restore the metering accuracy of the flow meter. It is more convenient for agricultural plant protection machines to spray chemicals when performing field operations. It is easy to install and can be used for the measurement of corrosive liquid flow of various pesticides.
  • FIG. 1 is a perspective view of a flow meter according to an embodiment of the present invention.
  • Figure 2 is a schematic exploded view of the flow meter shown in Figure 1.
  • Figure 3 is a front elevational view of the flow meter of Figure 1.
  • FIG. 4 is a side view of the flow meter shown in FIG. 1.
  • Figure 5 is a plan view of the flow meter shown in Figure 1.
  • Figure 6 is a cross-sectional view of the flow meter shown in Figure 5 taken along line A-A.
  • Figure 7 is an enlarged schematic view of the flow meter shown in Figure 6 at B.
  • Fig. 8 is a schematic structural view of a water tank of an agricultural plant protection machine according to an embodiment of the present invention.
  • first, second, third, etc. may be used to describe various information in the present invention, such information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other.
  • first information may also be referred to as the second information without departing from the scope of the invention.
  • second information may also be referred to as the first information.
  • word "if” as used herein may be interpreted as "when” or “when” or “in response to a determination.”
  • a flow meter 1 is configured to be installed on a water tank to detect a flow rate of a liquid in a water tank.
  • the flow meter 1 includes: a flow meter housing 10 disposed at A rotor impeller 20 in the flow meter housing 10 and a flow sensor 30 for detecting the rotational speed of the rotor impeller 20.
  • the flow meter housing 10 is provided with a liquid inlet 110, a liquid outlet 120, and a first opening 130.
  • the first opening 130 is provided with a first cover 410 that is sealable and detachable.
  • the flow sensor 30 is a pcb Hall sensor.
  • the flow meter shown in the embodiment of the invention is easy to disassemble by providing a detachable first cover on the first opening of the flowmeter housing.
  • the first cover body can be quickly disassembled, the rotor impeller is cleaned in time, and then reinstalled to restore the metering accuracy of the flow meter.
  • the first cover 410 is provided with a connecting portion, and the first opening 130 is provided with a mating portion, and the connecting portion is connected with the engaging portion to a cover 410 Sealed on the first opening portion 130.
  • the connecting portion is an internal thread disposed on an inner peripheral wall of the first cover 410
  • the engaging portion is disposed on an outer peripheral wall of the first opening 130 .
  • the external thread 131 is cooperatively connected to the external thread 131.
  • the first cover 410 is detachably disposed on the first opening 130 of the flowmeter housing 10 by means of a screw connection.
  • the connecting portion is a first fastening portion disposed on the first cover 410
  • the engaging portion is a second fastening portion disposed on the first opening portion 130
  • the first latching portion is coupled to the second latching portion
  • the first cover 410 is detachably disposed on the first opening portion 130 of the flowmeter housing 10 by way of a snap connection.
  • first cover 410 is disposed on the first opening 130 of the flowmeter housing 10 is not limited to the above two modes, and the first cover 410 may be implemented.
  • the manner in which the disassembly is disposed on the first opening portion 130 of the flow meter housing 10 is within the scope of the present invention.
  • the flow meter housing 10 is further provided with a retainer 50, and the rotor impeller 20 is connected to the retainer 50.
  • the cage 50 can maintain stability when the rotor wheel 20 rotates.
  • the inner peripheral wall of the first opening portion 130 is provided with a first engaging groove 1301
  • the retaining frame 50 is provided with the first engaging groove 1301 .
  • the first latching portion 510 is fixed to the flowmeter housing 10 by the mutual engagement of the first latching portion 510 and the first latching slot 1301 of the first opening portion 130.
  • the flow meter housing 10 is further provided with a plate member 101 disposed between the plate member 101 and the retainer 50 , the plate member a top surface of the holder 50 is provided with a first groove 1011, a bottom portion of the holder 50 is provided with a second groove 501 corresponding to the first groove 1011, and a central portion of the rotor wheel 20 is provided with a rotating shaft 210.
  • the two free ends 2101 of the rotating shaft 210 are respectively disposed in the first groove 1011 of the plate member 101 and the second groove 501 of the retainer 50, and the rotor impeller 20 is disposed on the plate member 101. Between the two free ends 2101 of the rotating shaft 210 and the first groove 1011 and the second groove 501, The stability of the rotor impeller 20 is rotated.
  • a first sealing ring 610 is disposed between the retainer 50 and the flow meter housing 10 to ensure the tightness of the flow meter 1.
  • the first sealing ring 610 is disposed between the retainer 50 and the inner peripheral wall of the first opening 130 .
  • the flow meter housing 10 is further provided with a second opening portion 140, and the second opening portion 140 is provided with a second cover portion 420, and the second opening portion 140 is used for Communicate with the liquid in the water tank.
  • the second opening portion 140 is provided with a second engaging groove 141
  • the second cover 420 is provided with the second engaging groove 141.
  • the second latching portion 421 is detachably disposed on the second opening portion 140 of the flowmeter housing 10 by a snap connection. It should be noted that the manner in which the second cover 420 is disposed on the second opening portion 140 of the flowmeter housing 10 is not limited thereto, and any second cover 420 may be detachably disposed at The manner of connection on the second opening portion 140 of the flow meter housing 10 is within the scope of the present invention.
  • the outer peripheral wall of the second opening portion 140 is provided with an external thread
  • the inner peripheral wall of the second cover 420 is provided with an internal thread adapted to the external thread
  • the second cover 420 It can also be detachably disposed on the second opening portion 140 of the flow meter housing 10 by means of a screw connection.
  • a second sealing ring 620 is disposed between the second cover 420 and the flowmeter housing 10 to ensure the tightness of the flow meter 1.
  • the first opening 130 is disposed opposite to the second opening 140.
  • the first opening portion 130 is disposed at a top of the flow meter housing 10
  • the second opening portion 140 is disposed at a bottom of the flow meter housing 10 .
  • the first opening portion 130 is disposed at an end of the flowmeter housing 10 along an axial direction of the flowmeter housing 10, the liquid inlet 110 and the liquid outlet
  • the port 120 is disposed on the outer peripheral wall of the flow meter housing 10 in the radial direction of the flow meter housing 10.
  • the liquid inlet 110 is disposed opposite to the liquid outlet 120.
  • the flow meter 1 further includes: a first joint 710 and a second joint 720, the first joint 710 is connected to the liquid inlet 110, and the second joint 720 is connected to the Description The liquid outlet 120.
  • the first joint 710 is a quick joint
  • the second joint 720 is a quick joint
  • the first joint 710 is a quick joint
  • the second joint 720 is a quick joint, which is convenient for the liquid passage. System setup and disassembly.
  • fluid enters from the first joint 710 through the liquid inlet 110 into the second opening portion 140 of the flow meter housing 10, and then passes through the liquid outlet 120 from the second joint 720. Flowing out of the flow meter housing 10.
  • the rotor impeller 20 is rotated by the change of the fluid flow rate, the flow sensor 30 can detect the rotational speed of the rotor impeller 20, and the fluid flow rate can be obtained by calculating the rotational speed of the rotor impeller 20.
  • the first cover 410 can be quickly disassembled, the rotor impeller 20 is cleaned in time, and then re-installed to restore the metering accuracy of the flowmeter. Also, it is convenient to clean other structural components inside the flowmeter housing 10.
  • an agricultural plant protection machine provided by an embodiment of the present invention includes a machine body, a machine arm connected to the machine body, and a power component disposed on the machine arm.
  • the agricultural plant protection machine further includes: A water tank 2 of the pesticide and a flow meter 1 as described above, the flow meter 1 being disposed on the water tank 2.
  • the flying plant protection machine is a multi-rotor aircraft. It should be noted that the description about the flow meter 1 in the embodiments and embodiments as described above is equally applicable to the agricultural plant protection machine.
  • the fluid belongs to the corrosive easy-bonding liquid
  • the first cover body can be quickly disassembled, and the rotor impeller can be cleaned in time. Re-install and restore the metering accuracy of the flowmeter. Also, it is convenient to clean other structural components inside the flowmeter housing. It is more convenient for agricultural plant protection machines to spray chemicals when performing field operations. It is easy to install and can be used for the measurement of corrosive liquid flow of various pesticides.

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Electromagnetism (AREA)
  • Measuring Volume Flow (AREA)

Abstract

一种农业植保机。还包括一种用于该农业植保机的流量计（1），该流量计（1）用于装设于水箱（2）上以检测水箱（2）中液体的流量，其包括：流量计壳体（10）、设置于所述流量计壳体（10）内的转子叶轮（20）以及用于检测所述转子叶轮（20）的转速的流量传感器（30）；所述流量计壳体（10）上设有进液口（110）、出液口（120）以及第一开口部（130），所述第一开口部（130）上设有可密封且可拆卸的第一盖体（410）。该流量计（1）通过在流量计壳体（10）的第一开口部（130）上设置可拆卸的第一盖体（410），便于拆卸。该流量计（1）用于粘性液体计量时，当出现液体结块的情况，可以快速拆卸第一盖体（410），对转子叶轮（20）及时进行清洗，再重新安装，恢复流量计（1）的计量精度。

Description

农业植保机及用于该农业植保机的流量计 技术领域
本发明涉及农业植保机技术领域，特别涉及农业植保机及用于该农业植保机的流量计。
背景技术
农业植保机，是用于农林植物保护作业的无人驾驶飞机。植保机可以实现喷洒作业，用于喷洒药剂、种子和粉剂等。植保机体型娇小而功能强大，可负载农药并在低空喷洒农药，其喷洒效率远高于传统人工。
现有的植保机的流量计主要针对特定应用场景，只能适用某几种液体计量，不能在恶劣环境下长时间使用，不便于作业维护。尤其是在农业喷洒作业中，常常需要兼容数百种农药，一般的流量计不能适应不同农药造成的损伤，尤其是对乳油，粘性农药，易结块农药，容易造成转子摩擦力变化，影响精度。当转子黏上药之后，不易清洗，影响作业。因此，现有的植保机的流量计很难在这种恶劣环境中精确计量，当流量计结垢后，又不能够快速拆卸清洗，恢复计量精度。
发明内容
本发明提供一种农业植保机及用于该农业植保机的流量计。
一种流量计，其用于装设于水箱上以检测水箱中液体的流量，包括：流量计壳体、设置于所述流量计壳体内的转子叶轮以及用于检测所述转子叶轮的转速的流量传感器；所述流量计壳体上设有进液口、出液口以及第一开口部，所述第一开口部上设有可密封且可拆卸的第一盖体。
进一步地，所述流量计壳体内还设有保持架，所述转子叶轮连接于所述保持架上。
进一步地，所述第一开口部的内周壁上设有第一卡接槽，所述保持架上设有与所述第一卡接槽相适配的第一卡接部。
进一步地，所述保持架和所述流量计壳体之间设有第一密封圈。
进一步地，所述第一盖体上设有连接部，所述第一开口部上设有配合部，所述连接部与所述配合部相连接以将所述第一盖体密封于所述第一开口部上。
进一步地，所述连接部为设置于所述第一盖体的内周壁上的内螺纹，所述配合部为设置于所述第一开口部的外周壁上的外螺纹，所述内螺纹与所述外螺纹配合连接。
进一步地，所述连接部为设置于所述第一盖体上的第一卡扣部，所述配合部为设置于所述第一开口部上的第二卡扣部，所述第一卡扣部与所述第二卡扣部配合连接。
进一步地，所述流量计壳体上还设有第二开口部，所述第二开口部上设有第二盖体，所述第二开口部用于与所述水箱中的液体相通。
进一步地，所述第二盖体和所述流量计壳体之间设有第二密封圈。
进一步地，所述第二开口部上设有第二卡接槽，所述第二盖体上设有与所述第二卡接槽相适配的第二卡接部。
进一步地，所述第一开口部与所述第二开口部相对设置。
进一步地，还包括：第一接头和第二接头，所述第一接头连接于所述进液口，所述第二接头连接于所述出液口。
进一步地，所述第一接头为快速接头，或/及所述第二接头为快速接头。
进一步地，所述第一开口部沿所述流量计壳体的轴向设置于所述流量计壳体的端部，所述进液口和所述出液口沿所述流量计壳体的径向设置于所述流量计壳体的外周壁上。
进一步地，所述进液口与所述出液口相对设置。
一种农业植保机，包括机体、与所述机体连接的机臂和设置在所述机臂上的动力组件，所述农业植保机还包括：用于装载农药的水箱和如上所述的流量计，所述流量计设置于所述水箱上。
进一步地，所述农业植保机为多旋翼飞行器。
本发明的流量计，通过在流量计壳体的第一开口部上设置可拆卸的第一盖体，便于拆卸。流量计用于粘性液体计量时，当出现液体结块的情况，可以快速拆卸第一盖体，对转子叶轮及时进行清洗，再重新安装，恢复流量计的计量精度。
本发明的农业植保机，流量计用于粘性液体计量时，出现液体结块的情况，可以快速拆卸第一盖体，对转子叶轮及时进行清洗，再重新安装，恢复流量计的计量精度。更加便于农业植保机执行野外作业时喷洒药剂，安装便捷，可以用于各种农药腐蚀液体流量的测量。
附图说明
图1是本发明一实施例示出的流量计的立体示意图。
图2是图1所示的流量计的爆炸示意图。
图3是图1所示的流量计的正视图。
图4是图1所示的流量计的侧视图。
图5是图1所示的流量计的俯视图。
图6是图5所示的流量计沿A-A面的剖视图。
图7是图6所示的流量计在B处的放大示意图。
图8是本发明一实施例示出的农业植保机的水箱的结构示意图。
具体实施方式
这里将详细地对示例性实施例进行说明，其示例表示在附图中。下面的描述涉及附图时，除非另有表示，不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施方式并不代表与本发明相一致的所有实施方 式。相反，它们仅是与如所附权利要求书中所详述的、本发明的一些方面相一致的装置和方法的例子。
在本发明使用的术语是仅仅出于描述特定实施例的目的，而非旨在限制本发明。在本发明和所附权利要求书中所使用的单数形式的“一种”、“所述”和“该”也旨在包括多数形式，除非上下文清楚地表示其他含义。还应当理解，本文中使用的术语“和/或”是指并包含一个或多个相关联的列出项目的任何或所有可能组合。
应当理解，尽管在本发明可能采用术语第一、第二、第三等来描述各种信息，但这些信息不应限于这些术语。这些术语仅用来将同一类型的信息彼此区分开。例如，在不脱离本发明范围的情况下，第一信息也可以被称为第二信息，类似地，第二信息也可以被称为第一信息。取决于语境，如在此所使用的词语“如果”可以被解释成为“在……时”或“当……时”或“响应于确定”。
下面结合附图，对本发明的农业植保机及用于该农业植保机的流量计进行详细说明。在不冲突的情况下，下述的实施例及实施方式中的特征可以相互组合。
参见图1至图7所示，本发明实施例提供的流量计1，其用于装设于水箱上以检测水箱中液体的流量，所述流量计1包括：流量计壳体10、设置于所述流量计壳体10内的转子叶轮20以及用于检测所述转子叶轮20的转速的流量传感器30。其中，所述流量计壳体10上设有进液口110、出液口120以及第一开口部130，所述第一开口部130上设有可密封且可拆卸的第一盖体410。可选地，所述流量传感器30为pcb霍尔传感器。
本发明实施例示出的流量计，通过在流量计壳体的第一开口部上设置可拆卸的第一盖体，便于拆装。流量计用于粘性液体计量时，当出现液体结块的情况，可以快速拆卸第一盖体，对转子叶轮及时进行清洗，再重新安装，恢复流量计的计量精度。
在本发明一实施方式中，所述第一盖体410上设有连接部，所述第一开口部130上设有配合部，所述连接部与所述配合部相连接以将所述第一盖体410 密封于所述第一开口部130上。
结合图2所示，可选地，所述连接部为设置于所述第一盖体410的内周壁上的内螺纹，所述配合部为设置于所述第一开口部130的外周壁上的外螺纹131，所述内螺纹与所述外螺纹131配合连接，所述第一盖体410通过螺纹连接的方式可拆卸的设置在所述流量计壳体10的第一开口部130上。
可选地，所述连接部为设置于所述第一盖体410上的第一卡扣部，所述配合部为设置于所述第一开口部130上的第二卡扣部，所述第一卡扣部与所述第二卡扣部配合连接，所述第一盖体410通过卡扣连接的方式可拆卸的设置在所述流量计壳体10的第一开口部130上。
需要说明的是，所述第一盖体410设置在所述流量计壳体10的第一开口部130上的方式并不仅仅局限于上述两种方式，任意可以实现第一盖体410以可拆卸的方式设置在所述流量计壳体10的第一开口部130上的连接方式都属于本发明保护的范围。
在本发明一实施方式中，所述流量计壳体10内还设有保持架50，所述转子叶轮20连接于所述保持架50上。所述保持架50可以保持所述转子叶轮20转动时的稳定性。
进一步地，结合图6所示，所述第一开口部130的内周壁上设有第一卡接槽1301，所述保持架50上设有与所述第一卡接槽1301相适配的第一卡接部510，所述保持架50通过所述第一卡接部510与所述第一开口部130的第一卡接槽1301的相互配合而固定在流量计壳体10上。
可选地，结合图7所示，所述流量计壳体10内还设有板件101，所述转子叶轮20设置于所述板件101和所述保持架50之间，所述板件101的顶部设有第一凹槽1011，所述保持架50的底部设有与所述第一凹槽1011相对应的第二凹槽501，所述转子叶轮20的中部设有转轴210，所述转轴210的两自由端2101分别设置在所述板件101的第一凹槽1011和所述保持架50的第二凹槽501内，进而将所述转子叶轮20设置于所述板件101和所述保持架50之间，通过所述转轴210的两自由端2101与第一凹槽1011以及第二凹槽501的相互配合，保 持所述转子叶轮20转动时的稳定性。
进一步地，结合图2所示，所述保持架50和所述流量计壳体10之间设有第一密封圈610，可以保证所述流量计1的密封性。可选地，结合图6所示，所述第一密封圈610设置于所述保持架50和所述第一开口部130的内周壁之间。
在本发明一实施方式中，所述流量计壳体10上还设有第二开口部140，所述第二开口部140上设有第二盖体420，所述第二开口部140用于与所述水箱中的液体相通。
可选地，结合图2所示，所述第二开口部140上设有第二卡接槽141，所述第二盖体420上设有与所述第二卡接槽141相适配的第二卡接部421，所述第一盖体410通过卡扣连接的方式可拆卸的设置在所述流量计壳体10的第二开口部140上。需要说明的是，所述第二盖体420设置在所述流量计壳体10的第二开口部140上的方式并不仅仅局限于此，任意可以实现第二盖体420可拆卸的设置在所述流量计壳体10的第二开口部140上的连接方式都属于本发明保护的范围。例如，所述第二开口部140的外周壁上设有外螺纹，所述第二盖体420的内周壁上设有与所述外螺纹相适配的内螺纹，所述第二盖体420还可以通过螺纹连接的方式可拆卸的设置在所述流量计壳体10的第二开口部140上。
进一步地，结合图2所示，所述第二盖体420和所述流量计壳体10之间设有第二密封圈620，可以保证所述流量计1的密封性。
在本发明一实施方式中，所述第一开口部130与所述第二开口部140相对设置。可选地，所述第一开口部130设置于所述流量计壳体10的顶部，所述第二开口部140设置于所述流量计壳体10的底部。
在本发明一实施方式中，所述第一开口部130沿所述流量计壳体10的轴向设置于所述流量计壳体10的端部，所述进液口110和所述出液口120沿所述流量计壳体10的径向设置于所述流量计壳体10的外周壁上。可选地，所述进液口110与所述出液口120相对设置。
在本发明一实施方式中，所述流量计1还包括：第一接头710和第二接头720，所述第一接头710连接于所述进液口110，所述第二接头720连接于所述 出液口120。可选地，所述第一接头710为快速接头，或所述第二接头720为快速接头，或所述第一接头710为快速接头，且所述第二接头720为快速接头，方便液路系统搭建和拆装。
本发明的流量计1工作时，流体从第一接头710通过所述进液口110进入到流量计壳体10的第二开口部140内，再通过所述出液口120从第二接头720流出流量计壳体10。在此过程中，通过流体流速变化带动转子叶轮20转动，流量传感器30可以检测到转子叶轮20的转速，通过计算转子叶轮20的转速可以得到流体流量。当流体属于腐蚀易粘结液体，出现转子叶轮20粘连时，可以快速拆卸第一盖体410，对转子叶轮20及时进行清洗，再重新安装，恢复流量计的计量精度。同样，也便于清洗流量计壳体10内部的其他结构件。
参见图8所示，本发明实施例提供的农业植保机，包括机体、与所述机体连接的机臂和设置在所述机臂上的动力组件，所述农业植保机还包括：用于装载农药的水箱2和如上所述的流量计1，所述流量计1设置于所述水箱2上。可选地，所述飞行植保机为多旋翼飞行器。需要说明的是，在如上所述的实施例和实施方式中关于所述流量计1的描述同样适用于所述农业植保机。
本发明的农业植保机工作时，当流量计用于粘性液体计量，流体属于腐蚀易粘结液体，出现流量计的转子叶轮粘连时，可以快速拆卸第一盖体，对转子叶轮及时进行清洗，再重新安装，恢复流量计的计量精度。同样，也便于清洗流量计壳体内部的其他结构件。更加便于农业植保机执行野外作业时喷洒药剂，安装便捷，可以用于各种农药腐蚀液体流量的测量。
以上所述仅是本发明的较佳实施例而已，并非对本发明做任何形式上的限制，虽然本发明已以较佳实施例揭露如上，然而并非用以限定本发明，任何熟悉本专业的技术人员，在不脱离本发明技术方案的范围内，当可利用上述揭示的技术内容做出些许更动或修饰为等同变化的等效实施例，但凡是未脱离本发明技术方案的内容，依据本发明的技术实质对以上实施例所作的任何简单修改、等同变化与修饰，均仍属于本发明技术方案的范围内。
本专利文件披露的内容包含受版权保护的材料。该版权为版权所有人所有。 版权所有人不反对任何人复制专利与商标局的官方记录和档案中所存在的该专利文件或者该专利披露。

Claims (17)

  1. 一种流量计，其用于装设于水箱上以检测水箱中液体的流量，其特征在于，包括：流量计壳体、设置于所述流量计壳体内的转子叶轮以及用于检测所述转子叶轮的转速的流量传感器；所述流量计壳体上设有进液口、出液口以及第一开口部，所述第一开口部上设有可密封且可拆卸的第一盖体。
  2. 根据权利要求1所述的流量计，其特征在于，所述流量计壳体内还设有保持架，所述转子叶轮连接于所述保持架上。
  3. 根据权利要求2所述的流量计，其特征在于，所述第一开口部的内周壁上设有第一卡接槽，所述保持架上设有与所述第一卡接槽相适配的第一卡接部。
  4. 根据权利要求2所述的流量计，其特征在于，所述保持架和所述流量计壳体之间设有第一密封圈。
  5. 根据权利要求1所述的流量计，其特征在于，所述第一盖体上设有连接部，所述第一开口部上设有配合部，所述连接部与所述配合部相连接以将所述第一盖体密封于所述第一开口部上。
  6. 根据权利要求5所述的流量计，其特征在于，所述连接部为设置于所述第一盖体的内周壁上的内螺纹，所述配合部为设置于所述第一开口部的外周壁上的外螺纹，所述内螺纹与所述外螺纹配合连接。
  7. 根据权利要求5所述的流量计，其特征在于，所述连接部为设置于所述第一盖体上的第一卡扣部，所述配合部为设置于所述第一开口部上的第二卡扣部，所述第一卡扣部与所述第二卡扣部配合连接。
  8. 根据权利要求1所述的流量计，其特征在于，所述流量计壳体上还设有第二开口部，所述第二开口部上设有第二盖体，所述第二开口部用于与所述水箱中的液体相通。
  9. 根据权利要求8所述的流量计，其特征在于，所述第二盖体和所述流 量计壳体之间设有第二密封圈。
  10. 根据权利要求8所述的流量计，其特征在于，所述第二开口部上设有第二卡接槽，所述第二盖体上设有与所述第二卡接槽相适配的第二卡接部。
  11. 根据权利要求8所述的流量计，其特征在于，所述第一开口部与所述第二开口部相对设置。
  12. 根据权利要求1所述的流量计，其特征在于，还包括：第一接头和第二接头，所述第一接头连接于所述进液口，所述第二接头连接于所述出液口。
  13. 根据权利要求12所述的流量计，其特征在于，所述第一接头为快速接头，或/及所述第二接头为快速接头。
  14. 根据权利要求1所述的流量计，其特征在于，所述第一开口部沿所述流量计壳体的轴向设置于所述流量计壳体的端部，所述进液口和所述出液口沿所述流量计壳体的径向设置于所述流量计壳体的外周壁上。
  15. 根据权利要求14所述的流量计，其特征在于，所述进液口与所述出液口相对设置。
  16. 一种农业植保机，包括机体、与所述机体连接的机臂和设置在所述机臂上的动力组件，其特征在于，所述农业植保机还包括：用于装载农药的水箱和如权利要求1～15中任一项所述的流量计，所述流量计设置于所述水箱上。
  17. 根据权利要求16所述的农业植保机，其特征在于，所述农业植保机为多旋翼飞行器。
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