CN205719117U - Fluid flowmeter and unmanned plane - Google Patents

Fluid flowmeter and unmanned plane Download PDF

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Publication number
CN205719117U
CN205719117U CN201620285934.9U CN201620285934U CN205719117U CN 205719117 U CN205719117 U CN 205719117U CN 201620285934 U CN201620285934 U CN 201620285934U CN 205719117 U CN205719117 U CN 205719117U
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China
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shell
fluid flowmeter
impeller
hole
fluid
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CN201620285934.9U
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Chinese (zh)
Inventor
侯磊
肖锭锋
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Guangzhou Xaircraft Technology Co Ltd
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Guangzhou Xaircraft Technology Co Ltd
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Abstract

The utility model discloses a kind of fluid flowmeter and unmanned plane, fluid flowmeter includes the first shell, the second shell and flow sensor assembly.Second shell and the first shell are flexibly connected, and the first shell and the second shell define receiving space jointly, and the second shell offers the inlet and outlet connected with receiving space.Flow sensor assembly is contained in receiving space, and flow sensor assembly is configured to measure the flow of liquid.So, owing to the first shell and the second shell are flexibly connected, the most readily accessible fluid flowmeter is carried out safeguarding.

Description

Fluid flowmeter and unmanned plane
Technical field
This utility model relates to unmanned plane field, especially relates to a kind of fluid flowmeter and one is unmanned Machine.
Background technology
Existing agricultural unmanned plane passes through fluid flowmeter control medicine liquid spray amount.But, existing agricultural The housing of the fluid flowmeter that unmanned plane uses typically uses many screws to fix upper and lower shell structure or with super The integrative-structure that sound wave is welded and fixed, these structures are all not easy to fluid flowmeter is carried out disassembly, cleaning dimension Protect.It addition, the fluid flowmeter that existing agricultural unmanned plane uses is sensitive to thick liquid, at unmanned plane Precise decreasing during operation, causes measurement data inaccurate.
Utility model content
This utility model is intended at least to solve one of technical problem present in prior art.To this end, this reality A kind of fluid flowmeter is provided with novel needs.
This utility model it is also required to provide a kind of unmanned plane.
The fluid flowmeter of this utility model embodiment, including the first shell, the second shell and flow transducer Assembly.Described second shell is flexibly connected with described first shell, and described first shell limits jointly with described second shell Surely receiving space, described second shell is had to offer the inlet and outlet connected with described receiving space.Described Flow sensor assembly is contained in described receiving space, and described flow sensor assembly is configured to measure liquid The flow of body.
The fluid flowmeter of this utility model embodiment, owing to the first shell and the second shell are flexibly connected, this The readily accessible fluid flowmeter of sample is carried out safeguarding.
In some embodiments, described flow sensor assembly includes impeller, magnetic part and hall sensing Device.Described impeller is rotatably coupled the first shell and the second shell.Described magnetic part is fixedly arranged on described impeller. Described Hall element is fixed in described receiving space.Described Hall element is configured to detect described magnetic Property part produce magnetic field change with measure liquid flow.
In some embodiments, described fluid flowmeter includes that rotating the needle, described impeller are fixed on described turning On pin, the end face of described first shell is formed with the first hole, and the inner surface of described second shell is formed with the second hole, The two ends of described rotating the needle are contained in described first hole and described second hole the most rotationally.
In some embodiments, described first hole and described second hole all include bellmouth.
In some embodiments, described rotating the needle being arranged with fixed mount, described fixed mount is arranged on described On first shell.
In some embodiments, described impeller is just arranged so that entering from described import by described import The blade of impeller described in liquid tangential impact.
In some embodiments, the diameter of described import is less than the diameter of described outlet.
In some embodiments, described import and described outlet are along between the pivot center of described impeller Distance is equal to the height of described impeller.
In some embodiments, described second shell connects to be had and the inlet union of described inlet communication, institute State the second shell connection to have and the outlet connection of described outlet.
In some embodiments, the axial direction of described inlet union and the axial side of described outlet connection To parallel.
In some embodiments, described impeller includes wheel hub and the multiple leaves being fixedly arranged on described wheel hub Sheet, described wheel hub offers groove, is provided with described magnetic part in described groove.
In some embodiments, described second shell includes the first end and opposing with described first end second End, described fluid flowmeter includes the containment vessel being installed in described second end, and described Hall element is positioned at In described containment vessel, described first shell screws togather with described first end.
In some embodiments, it is provided with water proof ring between described first end and described first shell.
In some embodiments, described fixed mount is disc-shaped, and the center of described fixed mount offers circle Hole, described rotating the needle passes described circular hole, and the medial wall of described second shell is formed with multiple protuberance, described solid Determine between the end face that frame is located in the plurality of protuberance and described first shell.
The unmanned plane of this utility model embodiment, including the fluid flow described in any of the above-described embodiment Meter.
In above-mentioned unmanned plane, owing to the first shell and second shell of fluid flowmeter are flexibly connected, the most just It is carried out safeguarding in dismounting fluid flowmeter.
Additional aspect of the present utility model and advantage will part be given in the following description, part will under The description in face becomes obvious, or is recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage are from combining accompanying drawings below to embodiment Description in will be apparent from easy to understand, wherein:
Fig. 1 is the perspective exploded view of the fluid flowmeter according to this utility model embodiment.
Fig. 2 is another perspective exploded view of the fluid flowmeter according to this utility model embodiment.
Fig. 3 is the floor map of the fluid flowmeter according to this utility model embodiment.
Fig. 4 is another floor map of the fluid flowmeter according to this utility model embodiment.
Fig. 5 is the another floor map of the fluid flowmeter according to this utility model embodiment.
Fig. 6 is the schematic cross-section of the fluid flowmeter according to this utility model embodiment.
Detailed description of the invention
Of the present utility model embodiment is described below in detail, and the example of described embodiment is shown in the drawings, The most same or similar label represents same or similar element or has same or like The element of function.The embodiment described below with reference to accompanying drawing is exemplary, is only used for explaining this reality With novel, and it is not intended that to restriction of the present utility model.
In description of the present utility model, it is to be understood that term " " center ", " longitudinally ", " horizontal stroke To ", " length ", " width ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", " outward ", The orientation of the instruction such as " clockwise ", " counterclockwise " or position relationship be based on orientation shown in the drawings or Position relationship, is for only for ease of description this utility model and simplifies description rather than instruction or hint institute Refer to device or element must have specific orientation, with specific azimuth configuration and operation, therefore can not It is interpreted as restriction of the present utility model.Additionally, term " first ", " second " are only used for describing mesh , and it is not intended that instruction or hint relative importance or implicit indicate indicated technical characteristic Quantity.Thus, define " first ", the feature of " second " can be expressed or implicitly include one Individual or more described features.In description of the present utility model, " multiple " be meant that two or Two or more, unless otherwise expressly limited specifically.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, Term " is installed ", " being connected ", " connection " should be interpreted broadly, and connects for example, it may be fixing, Can also be to removably connect, or be integrally connected.Can be to be mechanically connected, it is also possible to be electrical connection. Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be the company of two element internals Lead to or the interaction relationship of two elements.For the ordinary skill in the art, can basis Concrete condition understands above-mentioned term concrete meaning in this utility model.
In this utility model, unless otherwise clearly defined and limited, fisrt feature second feature it On " " or D score can include that the first and second features directly contact, it is also possible to include first and Two features are not directly contact but by the other characterisation contact between them.And, fisrt feature Second feature " on ", " top " and " above " include that fisrt feature is directly over second feature And oblique upper, or it is merely representative of fisrt feature level height higher than second feature.Fisrt feature is special second Levy " under ", " lower section " and " below " include fisrt feature directly over second feature and oblique upper, Or it is merely representative of fisrt feature level height less than second feature.
Following disclosure provide many different embodiments or example for realize of the present utility model not Same structure.In order to simplify disclosure of the present utility model, hereinafter parts and setting to specific examples are carried out Describe.Certainly, they are the most merely illustrative, and are not intended to limit this utility model.Additionally, this Utility model can in different examples repeat reference numerals and/or reference letter, this repeat be in order to Simplify and clearly purpose, the relation between itself not indicating discussed various embodiment and/or arranging. Additionally, the various specific technique that provides of this utility model and the example of material, but this area is common Technical staff is it can be appreciated that the application of other techniques and/or the use of other materials.
It should be noted that will say with the fluid flowmeter being applied to unmanned plane in agricultural for example below Bright enforcement of the present utility model.It is appreciated that other applications are used as this utility model embodiment party The fluid flowmeter of formula.
Referring to Fig. 1-Fig. 6, the fluid flowmeter 10 of this utility model embodiment, including the first shell 12, the second shell 14 and flow sensor assembly 16.Second shell 14 is flexibly connected with the first shell 12, the One shell 12 and the second shell 14 define receiving space 10a jointly, and the second shell 14 offers and houses sky Between the import 140 of 10a connection and outlet 142.Flow sensor assembly 16 is contained in receiving space 10a In, flow sensor assembly 16 is configured to measure the flow of liquid.
The fluid flowmeter 10 of this utility model embodiment, owing to the first shell 12 and the second shell 14 are lived Being dynamically connected, the most readily accessible fluid flowmeter 10 is carried out safeguarding.
Specifically, the first shell 12 is threadeded with the second shell 14.Certainly, the first shell 12 and the second shell 14 be not limited to threaded, it is also possible to for the connected mode of other activities.
Incorporated by reference to refering to Fig. 2, in some embodiments, flow sensor assembly 16 include impeller 160, Magnetic part and Hall element 162.Impeller 160 is rotatably coupled the first shell 12 and the second shell 14. Magnetic part is fixedly arranged on impeller 160.Hall element 162 is fixed in receiving space 10a.Hall passes Sensor 162 can detect the change in the magnetic field that magnetic part produces to measure the flow of liquid.
So, fluid flowmeter 10 measures fluid flow by Hall element 162.
In some embodiments, fluid flowmeter 10 includes that rotating the needle 18, impeller 160 are fixed on rotating the needle On 18, the end face of the first shell 12 is formed with the first hole 120, and the inner surface of the second shell 14 is formed with second Hole 144, the two ends of rotating the needle 18 are contained in the first hole 120 and the second hole 144 the most rotationally.
So, impeller 160 is arranged on the first hole 120 and the second shell of the first shell 12 by rotating the needle 18 In second hole 144 of 14.
In some embodiments, the first hole 120 and the second hole 144 all include bellmouth.
So, rotating the needle 18 is little with the contact area in the first hole 120 and the second hole 144, and rotating the needle 18 rotates Time frictional resistance little.The most effectively prevent thick liquid by flow sensor assembly 16 and the first shell 14 And second shell 14 bind and increase the resistance of flow sensor assembly 16, improve fluid flowmeter 10 survey The precision of quantity of fluid flow.
Specifically, the first shell 12 is formed with round table-like recess 122, the first hole 120 from its end face indent For bellmouth and the bottom surface that is arranged on recess 122, one end of rotating the needle 18 is connected on the first hole 120.
In some embodiments, rotating the needle 18 being arranged with fixed mount 20, fixed mount 20 is arranged on On one shell 12.
So, fluid flowmeter 10 be provided with fixed mount 20 with facilitate install the second shell 14 time carry out Rotating the needle 18 para-position.
In some embodiments, import 140 just impeller 160 is being arranged so that from import 140 enter The blade 160a of liquid tangential impact impeller 160.
So, entering the liquid of fluid flowmeter 10 from import 140 can be just to impacting impeller 160 Blade 160a is to measure fluid flow.
In some embodiments, the diameter of import 140 is less than the diameter of outlet 142.
So, the diameter of import 140 is less than the diameter of outlet 142, when the equal water yield is passed through, import The fluid velocity of 140 is relatively big, slightly larger to the impulsive force of impeller 160, can prevent blocking, optimizes and measures essence Degree.
In some embodiments, import 140 and outlet 142 are along between the pivot center of impeller 160 Distance is equal to the height of impeller 160.
Incorporated by reference to refering to Fig. 3, Fig. 4 and Fig. 5, in some embodiments, the second shell 14 connect have with The inlet union 22 of import 140 connection, the second shell 14 connects the outlet connection connected with outlet 142 24。
So, the infusion pipeline of unmanned plane is by connecting inlet union 22 with outlet connection 24 by liquid stream Gauge 10 accesses in infusion pipeline to detect fluid flow.
Specifically, outlet 142 along the position of the pivot center of impeller 160 higher than the position of import 140. When liquid enters the inner chamber of the second shell 14 from inlet union 22, liquid is from the recess 122 of the first shell 12 Start, fill the inner chamber to the second shell 14 from lower to upper.When the waterline of liquid arrives outlet connection 24 Time, liquid can flow out the inner chamber of the second shell 14 from outlet connection 24.
The non-emptying of the air in fluid flowmeter 10 is this prevents to cause impeller 160 to be in two kinds of Jie In matter (air and liquid), thus the precision of fluid flowmeter 10 is caused to be forbidden.
Import 140 junction of inlet union 22 and the second shell 14 is provided with sealing ring 26 to avoid Lou Water.Outlet 142 junction of outlet connection 24 and the second shell 14 is provided with sealing ring 26 to avoid Lou Water.
In some embodiments, the axial direction of inlet union 22 and the axial direction of outlet connection 24 Parallel.
It should be noted that the opening of inlet union 22 towards with the opening of outlet connection 24 towards permissible Identical may be reversed.It is to say, the opening of inlet union 22 is towards the opening with outlet connection 24 Between towards, angle can be 0 ° or 180 °.
In some embodiments, the axial direction of inlet union 22 and the axial direction of outlet connection 24 Intersect.Such as, the angle between axial direction and the axial direction of outlet connection 24 of inlet union 22 Be 45 °, 90 ° angularly.
It should be noted that between the axial direction of the axial direction of inlet union 22 and outlet connection 24 Depending on angle can be according to concrete use environment.
In some embodiments, inlet union 22 and outlet connection 24 are pagoda joint.
So, fluid flowmeter 10 installing/dismounting is the most more convenient.
In some embodiments, impeller 160 includes wheel hub 160b and is fixedly arranged on wheel hub 160b many Individual blade 160a, wheel hub 160b offer groove 160c, are provided with magnetic part in groove 160c.
So, magnetic part is followed impeller 160 and is moved in a circle, and Hall element 162 is by detection magnetic The changes of magnetic field of property part is to detect fluid flow.
In some embodiments, the second shell 14 includes the first end 146 and opposing with the first end 146 Second end 148, fluid flowmeter 10 includes the containment vessel 28 being installed in the second end 148, hall sensing Device 162 is positioned at containment vessel 28, and the first shell 12 screws togather with the first end 146.
So, simple in construction, easy installation and removal.
In some embodiments, it is provided with water proof ring 30 between the first end 146 and the first shell 12.
So, it is to avoid the second shell 14 leaks with the junction of the first shell 12.
In some embodiments, the lateral wall of the first end 146 is formed with female thread, the first shell 12 shape Become to have external screw thread, female thread and external thread spiro fastening.
So, the first shell 12 is tightened by threaded engagement with the second shell 14, easy installation and removal.
In some embodiments, fixed mount 20 is in disc-shaped, and the center of fixed mount 20 offers circular hole 200, rotating the needle 18 is through circular hole 200, and the medial wall of the second shell 14 is formed with multiple protuberance 14a, fixing Frame 20 is located between the end face of multiple protuberance 14a and the first shell 12.Fixed mount 20 offers two Symmetrically arranged semicircle hollow-out parts 202.
So, fixed mount 20 is located between the end face of multiple protuberance 14a and the first shell 12 to avoid shaking Dynamic.
Specifically, rotating the needle 18 include needle body 180 and be positioned at the upper end 182 at needle body 180 two ends with under End 184, upper end 182 is the most tapered with bottom 184.Rotating the needle 18 is from the periphery of needle body 180 Radially projecting first flange 186 that is formed in face, the first flange 186 is positioned at the portion on the upper side of rotating the needle 18. Rotating the needle 18 is from radially projecting second flange 188 that is formed of the outer peripheral face of needle body 180, the second flange 188 It is positioned at the junction of needle body 180 and bottom 184.Peace is offered in the middle part of the wheel hub 160b of impeller 160 Dress hole 160d, the diameter of the first flange 186 is more than the diameter of installing hole 160d and less than fixed mount 20 Circular hole 200 diameter.The diameter of the second flange 188 is more than the diameter of the circular hole 200 of fixed mount 20. Fixed mount 20 from the upper end 182 of rotating the needle 18 sheathed enter rotating the needle 18 being connected to the second flange 188. Impeller 160 from the upper end 182 of rotating the needle 18 sheathed enter rotating the needle 18 being connected to the first flange 186.
When fluid flowmeter 10 assembles, first Hall element 162 is arranged on the top of the second shell 14, Then containment vessel 28 is arranged on the top of Hall element 162, and is fixed on second by screw 32 The top of shell 14, to block protection Hall element 162.Then magnetic part is arranged on by close-fitting In the groove 160c of impeller 160, pass the circular hole 200 of fixed mount 20 with rotating the needle 18, then use rotating the needle Installing hole 160d in the middle part of the 18 wheel hub 160b passing impeller 160.Water proof ring 30 is placed on first On shell 12, then the first hole 120 that the bottom 184 of rotating the needle 18 is placed on the first shell 12 is interior and solid Determining frame 20 to be placed on the end face of the first shell 12, then screwed by the second shell 14 at the first shell 12 is upper Portion, now the upper end 182 of rotating the needle 18 is positioned at the second hole 144 of the second shell 14, then by import Joint 22 and outlet connection 24 enter import 140 and outlet 142 by the threaded engagement of end respectively. Wherein, impeller 160 close-fitting is fixed on the inclined upper position of rotating the needle 18 and makes the fluid of import 140 can be just To the blade 160a impacting impeller 160.Leave bigger between impeller 160 and the inwall of the second shell 14 Gap, when impeller 160 rotates blade 160a will not with the contact internal walls of the second shell 14, thus avoid because of Residue viscous force causes impeller 160 rotation to have some setbacks, and is not easily blocked impeller 160, it is to avoid affect impeller 160 Rotate.
When fluid flowmeter 10 uses, liquid flows in receiving space 10a from import 140, and liquid pushes away Movable vane wheel 160 rotates, and the magnetic part on wheel hub 160b is followed and moved in a circle, Hall element 162 By the change in the magnetic field of magnetic part by incoming for signal main frame, liquid is from outlet 142 outflow, thus realizes The flow measurement of liquid.
The unmanned plane of this utility model embodiment, including the fluid flowmeter of any of the above-described embodiment 10。
The unmanned plane of this utility model embodiment, due to the first shell 12 and second of fluid flowmeter 10 Shell 14 is flexibly connected, and the most readily accessible fluid flowmeter 10 is carried out safeguarding.
In the description of this specification, reference term " embodiment ", " some embodiments ", The description of " exemplary embodiment ", " example ", " concrete example " or " some examples " etc. Mean that the specific features, structure, material or the feature that combine embodiment or example description are contained in this reality With at least one novel embodiment or example.In this manual, schematic to above-mentioned term Statement is not necessarily referring to identical embodiment or example.And, the specific features of description, structure, Material or feature can be tied in any one or more embodiments or example in an appropriate manner Close.
Embodiment the most of the present utility model, those of ordinary skill in the art Being understood that in the case of without departing from principle of the present utility model and objective can be to these embodiment Carrying out multiple change, revise, replace and modification, scope of the present utility model is by claim and equivalent thereof Thing limits.

Claims (14)

1. a fluid flowmeter, it is characterised in that including:
First shell;
The second shell being flexibly connected with described first shell, described first shell defines jointly with described second shell Receiving space, described second shell offers the inlet and outlet connected with described receiving space;And
Being contained in the flow sensor assembly in described receiving space, described flow sensor assembly is configured to Measure the flow of liquid.
Fluid flowmeter the most according to claim 1, it is characterised in that described flow transducer group Part includes:
Impeller, described impeller is rotatably coupled described first shell and described second shell;
It is fixedly arranged on the magnetic part on described impeller;And
Being fixed on the Hall element in described receiving space, it is described that described Hall element is configured to detection The change in the magnetic field that magnetic part produces is to measure the flow of liquid.
Fluid flowmeter the most according to claim 2, it is characterised in that described fluid flowmeter bag Including rotating the needle, described impeller is fixed on described rotating the needle, and the end face of described first shell is formed with the first hole, institute The inner surface stating the second shell is formed with the second hole, and the two ends of described rotating the needle are contained in described the most rotationally In first hole and described second hole.
Fluid flowmeter the most according to claim 3, it is characterised in that described first hole is with described Second hole all includes bellmouth.
Fluid flowmeter the most according to claim 4, it is characterised in that be arranged with on described rotating the needle Fixed mount, described fixed mount is arranged on described first shell.
Fluid flowmeter the most according to claim 2, it is characterised in that described import is just to described Impeller arranges so that the blade of impeller described in the liquid tangential impact that enters from described import.
Fluid flowmeter the most according to claim 1, it is characterised in that the diameter of described import is little Diameter in described outlet.
Fluid flowmeter the most according to claim 2, it is characterised in that described import with described go out Distance between the pivot center of impeller described in opening's edge is equal to the height of described impeller.
Fluid flowmeter the most according to claim 1, it is characterised in that described second shell connects to be had With the inlet union of described inlet communication, described second shell connects has the outlet with described outlet to connect Head.
Fluid flowmeter the most according to claim 2, it is characterised in that described impeller includes wheel Hub and the multiple blades being fixedly arranged on described wheel hub, described wheel hub offers groove, is provided with in described groove Described magnetic part.
11. fluid flowmeters according to claim 2, it is characterised in that described second shell includes First end and second end opposing with described first end, described fluid flowmeter includes being installed in described second The containment vessel of end, described Hall element is positioned at described containment vessel;
Described first shell screws togather with described first end.
12. fluid flowmeters according to claim 11, it is characterised in that described first end and institute State and be provided with water proof ring between the first shell.
13. fluid flowmeters according to claim 5, it is characterised in that described fixed mount is circle Lamellar, the center of described fixed mount offers circular hole, and described rotating the needle passes described circular hole, described second shell Medial wall be formed with multiple protuberance, described fixed mount is located in the plurality of protuberance and described first shell Between end face.
14. 1 kinds of unmanned planes, it is characterised in that include according to the liquid described in any one of claim 1~13 Flowmeter body.
CN201620285934.9U 2016-04-07 2016-04-07 Fluid flowmeter and unmanned plane Active CN205719117U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620285934.9U CN205719117U (en) 2016-04-07 2016-04-07 Fluid flowmeter and unmanned plane

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109211348A (en) * 2017-06-30 2019-01-15 芜湖美的厨卫电器制造有限公司 Flow sensor and cleaning device with it
WO2019071973A1 (en) * 2017-10-09 2019-04-18 南京福碧源环境技术有限公司 Bidirectional flow meter adapted for use in salt suction port of water softening apparatus
CN110301424A (en) * 2019-07-31 2019-10-08 上海拓攻航空科技有限公司 A kind of integrated apparatus collecting liquid level and flow monitoring and the medicine-chest containing it

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109211348A (en) * 2017-06-30 2019-01-15 芜湖美的厨卫电器制造有限公司 Flow sensor and cleaning device with it
CN109211348B (en) * 2017-06-30 2024-04-12 芜湖美的厨卫电器制造有限公司 Flow sensor and cleaning instrument with same
WO2019071973A1 (en) * 2017-10-09 2019-04-18 南京福碧源环境技术有限公司 Bidirectional flow meter adapted for use in salt suction port of water softening apparatus
CN110301424A (en) * 2019-07-31 2019-10-08 上海拓攻航空科技有限公司 A kind of integrated apparatus collecting liquid level and flow monitoring and the medicine-chest containing it

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Address after: 510000 Block C, 115 Gaopu Road, Tianhe District, Guangzhou City, Guangdong Province

Patentee after: XAG Co., Ltd.

Address before: 510000 3A01, Cheng Cheng Road, 1, Guangdong, Guangzhou, Tianhe District

Patentee before: Guangzhou Xaircraft Technology Co.,Ltd.

CP03 Change of name, title or address