CN207991649U - Liquid level sensor, liquid level emasuring device, liquid storage case lid and liquid reserve tank - Google Patents
Liquid level sensor, liquid level emasuring device, liquid storage case lid and liquid reserve tank Download PDFInfo
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- CN207991649U CN207991649U CN201820459648.9U CN201820459648U CN207991649U CN 207991649 U CN207991649 U CN 207991649U CN 201820459648 U CN201820459648 U CN 201820459648U CN 207991649 U CN207991649 U CN 207991649U
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- liquid level
- casing
- level sensor
- liquid
- case lid
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- Level Indicators Using A Float (AREA)
Abstract
A kind of liquid level sensor of the utility model offer, liquid level emasuring device, liquid storage case lid and liquid reserve tank.Wherein, the liquid level sensor include casing, can casing axial movement relatively float, and the circuit board inside the casing；The circuit board is equipped with multiple magnetic switch of row's longitudinal arrangement；The float includes magnet, and the magnet movably triggers a magnetic switch at its corresponding residing height.The liquid level sensor of the utility model embodiment triggers the magnetic switch of longitudinal arrangement by floating on float of the liquid equipped with magnet, to realize that level gauging, low cost take into account higher measurement accuracy, there is higher safety, good accuracy and repeatability, and maintain easily.
Description
Technical field
The utility model is related to level gauging field more particularly to a kind of liquid level sensor and use the liquid level sensor
Liquid level emasuring device, liquid storage case lid and liquid reserve tank.
Background technology
Intelligent medicine box has the characteristic of its content medicament of automatic weighing, in real time, current dosing is accurately counted, in nothing
Important role is play during the man-machine accurate spraying operation of aviation medicament.Liquid level sensor is as intelligent medicine box equipment
Important devices, reliability, precision, power consumption, cost, ease for use finally can all influence the smart machine dispensing use.So
And liquid level sensor structure at present on the market is excessively complicated, high expensive.
Utility model content
The primary and foremost purpose of the utility model is intended to provide a kind of liquid level sensor simple in structure and with high accuracy.
The another object of the utility model is to provide a kind of liquid level emasuring device using the liquid level sensor.
The further object of the utility model is to provide a kind of liquid storage case lid using the liquid level emasuring device.
The further object of the utility model is to provide a kind of using the liquid level emasuring device or using the liquid storage
The liquid reserve tank of case lid.
To achieve the goals above, the utility model provides following technical scheme：
A kind of liquid level sensor, which is characterized in that including casing, can casing axial movement relatively float, and
Circuit board inside the casing；The circuit board is equipped with multiple magnetic switch of row's longitudinal arrangement；The float
Including magnet, the magnet movably triggers a magnetic switch at its residing height.
Preferably, further include the inner cylinder being sheathed on inside the casing, the float is interior set on the inner cylinder and can be opposite
The inner cylinder axial movement.
Preferably, further include the end cap for being covered on the casing lower end, the end cap limits jointly with the casing and inner cylinder
Closed vessel is made, the circuit board is set in vessel.
Further, the position of the relatively described inner cylinder of the end cap offers inlet opening.
Further, the end cap extends to form boss in face of one end of casing, and the boss can stretch into the inner cylinder simultaneously
It is interference fitted with the inner cylinder, the inlet opening is opened on the boss.
Preferably, the casing and the inner cylinder are integrally formed, and the two limits closed vessel, the circuit board jointly
In the vessel.
Preferably, include a closed vessel among the casing and the inner cylinder, the circuit board is arranged in the vessel
Interior, the position except the vessel, the casing and/or inner tube wall are equipped with inlet opening, alternatively, the casing and/or interior
Cylinder hollow out setting.
Preferably, further include set on the side of the casing and the guide rod parallel with the casing, the float is sheathed on
And it can the relatively described guide rod axial movement on the guide rod.
Further, further include the end cap for being covered on the casing lower end, the end cap radial direction extends to form defining flange,
The guide rod is fixed on the defining flange.
Further, the end cap is convex equipped with the installation that can be interference fitted with the casing in face of one end of the casing
Platform, the installation base offer card slot, and the lower end of the circuit board is inserted in the card slot.
Further, multiple bleeder circuits that the circuit board is equipped with main circuit, is connect with the main circuit, Duo Gesuo
Bleeder circuit is stated to be sequentially connected in series；The bleeder circuit includes divider resistance, the by-pass switch in parallel with the divider resistance, described
By-pass switch is the magnetic switch.
Preferably, multiple magnetic switch equidistant arrangements.
Preferably, the magnetic switch is tongue tube or Hall sensor.
A kind of liquid level emasuring device, including above-mentioned liquid level sensor and the processor that is electrically connected with the liquid level sensor.
Preferably, further include the wireless communication module being electrically connected with the processor.
A kind of liquid storage case lid, including case lid main body, power module and above-mentioned liquid level emasuring device；The processor with
The power module is connected and is set in case lid main body；The liquid level emasuring device connect with the case lid main body and can be in institute
It states when liquid storage case lid is covered on babinet and stretches into babinet.
Preferably, the case lid main body includes lower cover and upper cover, and the lower cover is separated out upper plenum and lower cavity by partition board,
The upper cover is removably covered on the upper plenum, and the upper cover limits closed accommodation space with the lower cover；
The processor and the power module are set in the accommodation space.
A kind of liquid reserve tank, including babinet and the above-mentioned liquid level emasuring device in the babinet.
A kind of liquid reserve tank, including babinet and the above-mentioned liquid storage case lid that is covered on the babinet.
Compared with prior art, the embodiment of the utility model has the following advantages：
1. the liquid level sensor of the utility model embodiment triggers longitudinal direction by floating on liquid and being equipped with the float of magnet
The magnetic switch of arrangement there is low cost to take into account higher measurement accuracy, and have higher safety to realize level gauging
Property, good accuracy and repeatability, and maintain easily.
2. the float of the liquid level sensor of the utility model first embodiment is set to inside inner cylinder, each device is made to be set to shield
It is not in direct contact with the external world in cylinder, promotes integrally-built leakproofness, protect float.
3. float is arranged by the guide rod parallel with casing in the liquid level sensor of the utility model second embodiment, compared to floating
Son is directly sleeved on the casing, can reduce the size of magnet, while reducing assembly difficulty, reduces production cost.
4. the liquid reserve tank of the utility model embodiment is covered with closed accommodating space, for installing electronic component, can prevent
Only external force is destroyed or prevents liquid from entering, and leads to electronic component operational failure, and used between the upper cover and lower cover of liquid storage case lid
The modes such as interference fit are detachably connected, and facilitate the maintenance of liquid storage case lid.
The additional aspect of the utility model and advantage will be set forth in part in the description, these will be from following description
In become apparent, or recognized by the practice of the utility model.
Description of the drawings
The utility model is above-mentioned and/or additional aspect and advantage from the following description of the accompanying drawings of embodiments will
Become apparent and is readily appreciated that, wherein：
Fig. 1 is the exploded view of the liquid level sensor of the utility model first embodiment；
Fig. 2 is the stereogram of end cap shown in FIG. 1；
Fig. 3 is the stereogram of the liquid level sensor of the utility model second embodiment；
Fig. 4 is the schematic diagram of the internal structure of liquid level sensor shown in Fig. 3；
Fig. 5 is the circuit diagram of the liquid level sensor of the utility model embodiment；
Fig. 6 is the equivalent circuit diagram of the circuit diagram described in Fig. 5；
The stereogram of the liquid reserve tank of Fig. 7 the utility model first embodiments；
The stereogram of the liquid reserve tank of Fig. 8 the utility model second embodiments.
Specific implementation mode
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and cannot be construed to the utility model
Limitation.
Those skilled in the art of the present technique are appreciated that unless expressly stated what is used in the specification of the utility model arranges
Diction " comprising " refers to that there are the feature, integer, step, operation, zero/component and/or components, but it is not excluded that in the presence of or add
Add other one or more features, integer, step, operation, zero/component, component and/or their group.It should be understood that working as us
When zero/component being claimed to be "connected" to another zero/component, it can be directly connected to other zero/components, or there may also be in
Between zero/component.Wording "and/or" used herein includes the whole or any cell of one or more associated list items
With whole combinations.
Fig. 1 to Fig. 8 collectively illustrates liquid level sensor provided by the utility model, is used for the height of automatic measurement liquid level,
To measure the surplus of liquid, low cost takes into account higher measurement accuracy, has higher safety, good accuracy and can
Repeatability, and maintain easily.
The liquid level sensor 1 includes casing 11 and can the casing 11 moves axially relatively float 12.Specifically, institute
That states casing 11 is internally provided with circuit board 13, and the circuit board 13 is equipped with the magnetic switch 14 of a row longitudinal direction and equidistant arrangement,
Magnetic switch 14 described in the present embodiment is Hall sensor, in other embodiments the magnetic switch 14 or dry spring
Pipe.
The float 12 includes shell 121, in the shell 121 and can trigger the magnet of the magnetic switch 14
122.The height of the magnet 122 is configured corresponding with a magnetic switch 14, i.e., the magnet 122 movably triggers
A magnetic switch 14 at its residing height.
As shown in Figure 5 and Figure 6, the circuit board 13 is equipped with main circuit and the multiple partial pressures being connect with main circuit electricity
Road, multiple bleeder circuits are sequentially connected in series, and the bleeder circuit includes that divider resistance and the bypass in parallel with the divider resistance are opened
It closes, the by-pass switch is above-mentioned magnetic switch 14.
Specifically, the Hall sensor near the magnet 122 is considered as closure, remaining far from the magnet 122 suddenly
You are considered as open circuit by sensor.Assuming that the magnet 122 is moved to the position of Hall sensor HALL2, the upper ends resistance R2 are by HALL2
It bypasses over the ground.Using Europe mother's law, can be gone out with inverse by measuring the voltage at Port be currently which Hall sensor by
It is sensitive.Preferably, multiple magnetic switch equidistant arrangements, such as when Hall sensor is equidistantly evenly distributed with, learning by quick
After which the Hall sensor of sense is specifically, liquid level can be calculated by formula.
As shown in Figure 2, it is preferable that the spacing of the two neighboring magnetic switch 14 be 4mm~8mm, specific spacing according to
The height and magnetic field intensity of the magnet 122 are arranged, and when ensureing that the relatively described casing 11 of the float 12 moves axially, are in and appoint
Position all at least one described magnetic switch 14 of anticipating are sensitive by the magnet 122 inside the float 12.
Embodiment one
As shown in Figure 1, the liquid level sensor 1 in the utility model first embodiment further includes being sheathed in the casing 11
The inner cylinder 15 in portion, the float 12 are set in the inner cylinder 15 and can the relatively described axial movements of inner cylinder 15.It is described by adding
Inner cylinder 15 makes each device be not in direct contact with the external world in casing 11, promotes integrally-built leakproofness, protects described floating
Son 12.
Preferably, the liquid level sensor 1 further includes the end cap 16 for being covered on 11 lower end of the casing, the end cap 16 with
The casing 11 and inner cylinder 15 limit closed vessel (non-label, similarly hereinafter) jointly, and the circuit board 13 is set in vessel.
As shown in Fig. 2, the position of the inner cylinder 15 relatively of the end cap 16 offers inlet opening 161, the inlet opening 161
For mesh, making the liquid level sensor 1, liquid can enter the inner cylinder 15 when in use, to make the float 12 can be in liquid
The relatively described inner cylinder 15 moves axially under the action of buoyancy, and then the magnetic switch 14 by triggering longitudinal arrangement realizes liquid
Position measures.It should be understood that in other embodiments, the inlet opening 161 is alternatively through-hole, the aperture of the through-hole is small
In the diameter of the float 12, prevent the float 12 from falling off from the inner cylinder.
Further, the end cap 16 extends to form boss 162 in face of one end of casing 15, and the boss 162 can stretch into
The inner cylinder 15 is simultaneously interference fitted with the inner cylinder 15, and the inlet opening 161 is opened on the boss 162, the end cap 16
By the interference fit of the boss 162 and the inner cylinder 15, appearance closed between the casing 11 and the inner cylinder 15 is formed
Chamber can prevent liquid from entering and be damaged to electronic component, while convenient for the peace of the end cap 16 for electronic component to be arranged
Dress, is fixed, in other embodiments, the boss 162 can be also threadedly coupled with the inner cylinder 15 without using screw.
In another embodiment, the casing 11 and the inner cylinder 15 or integrated design, the i.e. casing 11
It is integrally formed with the inner cylinder 15, the bottom airtight connection of the two makes the casing 11 and the inner cylinder 15 limit jointly close
The vessel closed, the circuit board 13 are set in the vessel.
In yet another embodiment, include a closed vessel, the circuit among the casing 11 and the inner cylinder 15
Plate 13 is arranged in the vessel, and the vessel only accounts for the subregion between the casing 11 and the inner cylinder 15, in the appearance
Position except chamber, the casing 11 and/or 15 wall of inner cylinder be equipped with inlet opening (not shown), alternatively, the casing 11 and/or
(not shown) is arranged in 15 hollow out of inner cylinder, and the liquid level sensor 1 is measuring in use, passing through the inlet opening or the hollow out
Position makes the inside that tested quantity of fluid can enter the inner cylinder 15 make the float 12 to generate buoyancy to the float 12
The height of liquid level is moved axially to along the inner cylinder 15, realizes level gauging.
Embodiment two
As shown in figure 3, the liquid level sensor 1 in the utility model first embodiment further includes set on the one of the casing 11
Side and the guide rod 17 parallel with the casing 11, the float 12 are sheathed on the guide rod 17 and can relatively described 17 axis of guide rod
It to movement, is directly sleeved on the casing 11 compared to the float 12, the size of the magnet 122 can be reduced, reduced simultaneously
Assembly difficulty reduces production cost.
Further, the liquid level sensor 1 further includes the end cap 18 for being covered on 11 lower end of the casing, the end cap 18
It radially extends to form defining flange 181, the guide rod 17 is fixed on the defining flange 18, and the defining flange 18 can prevent
The float 12 falls off from the guide rod 17.
As shown in figure 4, the end cap 18 is equipped with installation base 181, the installation base in face of one end of the casing 11
181 offer card slot (non-label, similarly hereinafter), and the lower end of the circuit board 13 is inserted in the card slot to realize the circuit board 13
Positioning and fixation.Preferably, it is used between the installation base 181 and the casing 11 and the side such as is interference fitted, is threadedly coupled
Formula is detachably connected, and is convenient for the repair and maintenance of the liquid level sensor 1.
As shown in Figure 4, it is preferable that the magnet 122 is the annular magnet being arranged around the guide rod 17, described to ensure
Float 12 can trigger the magnetic switch 14 when rotation on the guide rod 17 is to any angle, ensure the accuracy measured.
On the other hand, as shown in Figure 7 and Figure 8, the utility model further relates to a kind of liquid level emasuring device 100, including above-mentioned
Liquid level sensor 1 in first embodiment or second embodiment and the processor 3 being electrically connected with the liquid level sensor 1, institute
State height of the processor 3 for calculating liquid level by the detection signal of the liquid level sensor 1.Preferably, the processor 3
For microcontroller.
Further, the liquid level emasuring device 100 further includes the wireless communication module 4 being electrically connected with the processor 3,
For with communicating with external device level gauging information to be passed.Preferably, the wireless communication module 4 is bluetooth mould
Block.
The utility model also provides a kind of liquid storage case lid, is suitable for liquid reserve tank, and then be installed in flight jointly with liquid reserve tank
Device, such as be installed on the unmanned plane sprayed insecticide and used as intelligent medicine box.The liquid storage case lid is for described in detection in real time
The liquid level of liquid in liquid reserve tank, and by testing result feedback in the control system of unmanned plane, in order to which unmanned plane is tied according to detection
Fruit executes concrete operations, such as lands when liquid level is less than predetermined altitude and notify user's filling medicament.
As shown in Figure 7 and Figure 8, the liquid storage case lid 1000 includes that case lid main body 2, power module 5 and above-mentioned liquid level are surveyed
Measure device 100.The processor 3 and wireless communication module 4 connect with the power module 5 and are set to the case lid master together
In body 2.
Preferably, the case lid main body 2 include lower cover 21 and upper cover 22, the lower cover 21 by partition board be separated out upper plenum and
Lower cavity, the upper cover 22 are removably covered on the upper plenum and limit closed accommodation space with the lower cover 21
23.The processor 3, wireless communication module 4 and power module 5 are set in the accommodation space 23, can prevent external force from destroying
Or prevent liquid from entering, lead to electronic component operational failure, and adopted between the upper cover 22 and lower cover 21 of the liquid storage case lid 1000
It is detachably connected with modes such as interference fits, facilitates the maintenance of liquid storage case lid 1000.
The liquid level sensor 1 passes through the partition board and can stretch into babinet when the liquid storage case lid 1000 is covered on babinet
It is interior.
As fourth aspect, the utility model further relates to a kind of liquid reserve tank (not shown, similarly hereinafter), including babinet and is set to institute
The above-mentioned liquid level emasuring device 100 in babinet is stated, the liquid reserve tank can measure babinet in real time by the liquid level emasuring device 100
The height of interior liquid.
In addition, the utility model embodiment also provides another liquid reserve tank, including babinet and it is covered on the babinet
Above-mentioned liquid storage case lid 1000, since the whole electronic component of the liquid storage case lid 1000 is all located at closed accommodation space, with
The external world improves the stability, accuracy and durability of liquid reserve tank without conductive physical contact.Pass through single longitudinal arrangement
Magnetic switch realizes that the level gauging in liquid reserve tank, low cost take into account higher measurement accuracy.
The above is only some embodiments of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (19)
1. a kind of liquid level sensor, which is characterized in that including casing, can casing axial movement relatively float, Yi Jishe
Circuit board inside the casing；
The circuit board is equipped with multiple magnetic switch of row's longitudinal arrangement；
The float includes magnet, and the magnet movably triggers a magnetic switch at its residing height.
2. liquid level sensor according to claim 1, which is characterized in that further include be sheathed on it is interior inside the casing
Cylinder, the float are set in the inner cylinder and can the relatively described inner cylinder axial movements.
3. liquid level sensor according to claim 2, which is characterized in that further include the end for being covered on the casing lower end
Lid, the end cap limit closed vessel jointly with the casing and inner cylinder, and the circuit board is set in vessel.
4. liquid level sensor according to claim 3, which is characterized in that the position of the relatively described inner cylinder of the end cap opens up
There is inlet opening.
5. liquid level sensor according to claim 4, which is characterized in that the end cap is extended to form in face of one end of casing
Boss, the boss can stretch into the inner cylinder and be interference fitted with the inner cylinder, and the inlet opening is opened on the boss.
6. liquid level sensor according to claim 2, which is characterized in that the casing and the inner cylinder are integrally formed, and two
Person limits closed vessel jointly, and the circuit board is set in the vessel.
7. liquid level sensor according to claim 2, which is characterized in that include one close among the casing and the inner cylinder
The vessel closed, the circuit board are arranged in the vessel, the position except the vessel, on the casing and/or inner tube wall
Equipped with inlet opening, alternatively, the casing and/or the setting of inner cylinder hollow out.
8. liquid level sensor according to claim 1, which is characterized in that further include set on the casing side and with institute
The parallel guide rod of casing is stated, the float is sheathed on the guide rod and can the relatively described guide rod axial movement.
9. liquid level sensor according to claim 8, which is characterized in that further include the end for being covered on the casing lower end
Lid, the end cap radial direction extend to form defining flange, and the guide rod is fixed on the defining flange.
10. liquid level sensor according to claim 9, which is characterized in that the end cap is set in face of one end of the casing
There are the installation base that can be interference fitted with the casing, the installation base to offer card slot, the lower end of the circuit board is planted
In the card slot.
11. according to the liquid level sensor described in claims 1 to 10 any one, which is characterized in that the circuit board is equipped with
Main circuit, the multiple bleeder circuits being connect with the main circuit, multiple bleeder circuits are sequentially connected in series；
The bleeder circuit includes divider resistance, the by-pass switch in parallel with the divider resistance, and the by-pass switch is described
Magnetic switch.
12. according to the liquid level sensor described in claims 1 to 10 any one, which is characterized in that multiple magnetic switch
Equidistant arrangement.
13. according to the liquid level sensor described in claims 1 to 10 any one, which is characterized in that the magnetic switch is dry
Reed pipe or Hall sensor.
14. a kind of liquid level emasuring device, which is characterized in that include the liquid level biography as described in any one of claim 1 to 13
Sensor and the processor being electrically connected with the liquid level sensor.
15. liquid level emasuring device according to claim 14, which is characterized in that further include being electrically connected with the processor
Wireless communication module.
16. a kind of liquid storage case lid, including case lid main body, power module, which is characterized in that further include such as claims 14 or 15 institute
The liquid level emasuring device stated；
The processor connect with the power module and is set in case lid main body；
The liquid level emasuring device connect with the case lid main body and can stretch into babinet when the liquid storage case lid is covered on babinet
It is interior.
17. liquid storage case lid according to claim 16, which is characterized in that the case lid main body includes lower cover and upper cover, institute
State lower cover and upper plenum and lower cavity be separated out by partition board, the upper cover is removably covered on the upper plenum, and it is described on
Lid limits closed accommodation space with the lower cover；
The processor and the power module are set in the accommodation space.
18. a kind of liquid reserve tank, including babinet, which is characterized in that further include being set in the babinet such as claims 14 or 15 institute
The liquid level emasuring device stated.
19. a kind of liquid reserve tank, including babinet and the case lid that is covered on the babinet, which is characterized in that the case lid is right
It is required that the liquid storage case lid described in 16 or 17.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820459648.9U CN207991649U (en) | 2018-04-02 | 2018-04-02 | Liquid level sensor, liquid level emasuring device, liquid storage case lid and liquid reserve tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820459648.9U CN207991649U (en) | 2018-04-02 | 2018-04-02 | Liquid level sensor, liquid level emasuring device, liquid storage case lid and liquid reserve tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207991649U true CN207991649U (en) | 2018-10-19 |
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ID=63830538
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|---|---|---|---|
| CN201820459648.9U Active CN207991649U (en) | 2018-04-02 | 2018-04-02 | Liquid level sensor, liquid level emasuring device, liquid storage case lid and liquid reserve tank |
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| CN (1) | CN207991649U (en) |
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| WO2020134368A1 (en) * | 2018-12-29 | 2020-07-02 | 广州极飞科技有限公司 | Intelligent pesticide tank assembly and plant protection machinery |
| WO2020236225A1 (en) * | 2019-05-23 | 2020-11-26 | Worthington Cylinders Corporation | Methods and systems for a wireless monitoring system for a tank |
| CN113465706A (en) * | 2021-06-21 | 2021-10-01 | 北京理工大学 | Dynamic liquid level measuring device and method for flowing backward water in underwater semi-closed cavity |
| USD934987S1 (en) | 2020-01-07 | 2021-11-02 | Worthington Cylinders Corporation | Lid for a tank |
| USD936177S1 (en) | 2020-01-07 | 2021-11-16 | Worthington Cylinders Corporation | Lid for a tank |
| WO2021237582A1 (en) * | 2020-05-28 | 2021-12-02 | 深圳市大疆创新科技有限公司 | Liquid level meter and measuring method therefor, and spraying assembly and unmanned aerial vehicle |
| WO2022095034A1 (en) * | 2020-11-09 | 2022-05-12 | 深圳市大疆创新科技有限公司 | Liquid storage tank and agricultural plant protection mobile platform |
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| JP2022509684A (en) * | 2018-12-29 | 2022-01-21 | 広州極飛科技股▲ふん▼有限公司 | Intelligent drug box assembly and plant protection machine |
| EP3904206A4 (en) * | 2018-12-29 | 2022-03-02 | Guangzhou Xaircraft Technology Co., Ltd. | Intelligent pesticide tank assembly and plant protection machinery |
| WO2020134368A1 (en) * | 2018-12-29 | 2020-07-02 | 广州极飞科技有限公司 | Intelligent pesticide tank assembly and plant protection machinery |
| US11566925B2 (en) | 2019-05-23 | 2023-01-31 | Otodata Wireless Network, Inc. | Methods and systems for a wireless monitoring system for a tank |
| WO2020236225A1 (en) * | 2019-05-23 | 2020-11-26 | Worthington Cylinders Corporation | Methods and systems for a wireless monitoring system for a tank |
| US11047714B2 (en) | 2019-05-23 | 2021-06-29 | Worthington Cylinders Corporation | Methods and systems for a wireless monitoring system for a tank |
| US11781889B2 (en) | 2019-05-23 | 2023-10-10 | Worthington Cylinders Corporation | Methods and systems for a wireless monitoring system for a tank |
| USD934987S1 (en) | 2020-01-07 | 2021-11-02 | Worthington Cylinders Corporation | Lid for a tank |
| USD936177S1 (en) | 2020-01-07 | 2021-11-16 | Worthington Cylinders Corporation | Lid for a tank |
| WO2021237582A1 (en) * | 2020-05-28 | 2021-12-02 | 深圳市大疆创新科技有限公司 | Liquid level meter and measuring method therefor, and spraying assembly and unmanned aerial vehicle |
| WO2022095034A1 (en) * | 2020-11-09 | 2022-05-12 | 深圳市大疆创新科技有限公司 | Liquid storage tank and agricultural plant protection mobile platform |
| CN113465706B (en) * | 2021-06-21 | 2022-11-01 | 北京理工大学 | Dynamic liquid level measuring device and method for flowing backward water in underwater semi-closed cavity |
| CN113465706A (en) * | 2021-06-21 | 2021-10-01 | 北京理工大学 | Dynamic liquid level measuring device and method for flowing backward water in underwater semi-closed cavity |
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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, No. 1, Cheng Cheng Road, Gaotang Software Park, Guangzhou, Guangdong, Tianhe District, 3A01 Patentee before: Guangzhou Xaircraft Technology Co.,Ltd. |
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Commission number: 5W120877 Conclusion of examination: Declare claims 1-7 and claims 11-19 directly or indirectly referring to claims 1-7 invalid, and maintain the continued validity of the patent right on the basis of claim 8 and claims 9-19 directly or indirectly referring to claim 8 Decision date of declaring invalidation: 20210107 Decision number of declaring invalidation: 47165 Denomination of utility model: Liquid level sensor, liquid level measuring device, reservoir cover and reservoir Granted publication date: 20181019 Patentee: XAG Co., Ltd. |
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| IP01 | Partial invalidation of patent right |