CN110487359A - A kind of contactless non-permeable material tank fill level detection device - Google Patents
A kind of contactless non-permeable material tank fill level detection device Download PDFInfo
- Publication number
- CN110487359A CN110487359A CN201711174287.XA CN201711174287A CN110487359A CN 110487359 A CN110487359 A CN 110487359A CN 201711174287 A CN201711174287 A CN 201711174287A CN 110487359 A CN110487359 A CN 110487359A
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- CN
- China
- Prior art keywords
- floating drum
- wall
- radial magnet
- permeable material
- measuring device
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
- G01F23/32—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using rotatable arms or other pivotable transmission elements
- G01F23/36—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using rotatable arms or other pivotable transmission elements using electrically actuated indicating means
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Level Indicators Using A Float (AREA)
Abstract
The present invention relates to liquid level detection device technical fields, a kind of contactless non-permeable material tank fill level detection device is specifically disclosed, liquid level detection device and including inner wall measuring device and outer wall measuring device, inner wall measuring device includes floating drum, connecting rod, radial magnet, and outer wall measuring device includes Hall angular transducer, single-chip microcontroller and outlet line；Floating drum is immersed in the liquid inside container, and connecting rod one end and floating drum are hinged, and the other end and radial magnet are rigidly connected, and radial magnet is connected with single-revolution axis, and the rotating shaft is fixed on the inner wall of container；The hall probe that the Hall passes angle sensor is fixed on container outer wall corresponding with radial magnet position, and Hall angular transducer is connected by outlet line with single-chip microcontroller.It is an advantage of the invention that not needing not needing floating drum and sensor linkage to non-magnetic chamber wall aperture, realize non-contact measurement, modularization easy to form accurately measures liquid level.
Description
Technical field
The present invention relates to liquid level detection device technical fields, particularly relate to a kind of contactless non-permeable material container liquid
Level detecting apparatus.
Background technique
Float level as one of Technology of Level Detection mode detects, especially excessively program-controlled in industrial processes
Using universal in system.The working principle of float level measuring device is at present: one, floating drum and sensor linkage, when liquid level occurs
When variation, the buoy displacement of measuring device changes, corresponding electric by sensing element generation with the sensor of floating drum linkage
Signal output；Two, floating drum and liquid level pointer scale ruler are used cooperatively, and with fluid change, floating drum generates displacement, is connected with floating drum
Liquid level pointer is moved along liquid level dividing ruler, calculates vessel liquid volume.
Existing float level measuring device be in such a way that floating drum and graduated scale match or floating drum and sensor connection
Dynamic mode carries out level gauging, needs floating drum and the linkage of liquid level pointer or floating drum and sensor linkage, is not easy to realize module
Change, measurement error is big.
Summary of the invention
The object of the present invention is to provide a kind of contactless non-permeable material tank fill level detection devices, use Hall
Angular transducer does not need not needing floating drum and sensor linkage to non-magnetic chamber wall aperture, realize contactless survey
Amount, modularization easy to form accurately measure liquid level.
To achieve the goals above, present invention employs technical solutions below: a kind of contactless non-permeable material
Tank fill level detection device, including inner wall measuring device and outer wall measuring device, the inner wall measuring device include floating drum, connection
Bar, radial magnet, the outer wall measuring device include Hall angular transducer, single-chip microcontroller and outlet line；
The floating drum is immersed in the liquid inside non-permeable material container, and described connecting rod one end and floating drum are hinged,
The other end and radial magnet are rigidly connected, and the radial magnet is connected with single-revolution axis, and the rotating shaft is fixed on non-magnetic
On the inner wall of containers；
The hall probe that the Hall passes angle sensor is fixed on non-permeable material corresponding with the radial magnet
On container outer wall position, the Hall angular transducer is connected by outlet line with single-chip microcontroller.
Wherein, moving up and down for the floating drum drives the connecting rod rotation, and then drives the radial magnet around revolution
Axis rotation, the Hall angular transducer detect that radial magnet rotates generated electric signal, are sent to by outlet line
Single-chip microcontroller.
The beneficial effects of the present invention are: when the liquid level changes, measuring device changes liquid level change in displacement
At electric signal, and passing through circuit for electric signal transmission to single-chip microcontroller, single-chip microcontroller is acquired to electric signal and data processing, thus
Realize the measurement of liquid level displacement.
This liquid level emasuring device uses Hall angular transducer, realizes floating drum and sensor does not contact, floating drum is only
Vertical movement, Hall angular transducer exports electric signal in real time, after equipment is to the Electric signal processing of output and comparison, treated liquid
Position data are sent to single-chip microcontroller by feed circuit, accurate in real time to grasp liquid level variation, calculate liquid in conjunction with container shapes and hold
Product.
Detailed description of the invention
Technical solution in order to illustrate the embodiments of the present invention more clearly, below will be to needed in embodiment description
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only the present invention in order to illustrate more clearly of this hair
Bright embodiment or technical solution in the prior art, below will be p- required for describing the embodiments or the prior art attached
Figure is briefly described, for those of ordinary skill in the art, without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structural schematic diagram of this detection device；
Fig. 2 is multiple spot apparatus structure schematic diagram provided by the embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
A kind of contactless non-permeable material tank fill level detection device as shown in Figure 1, including inner wall measuring device
With outer wall measuring device, the inner wall measuring device includes floating drum 2, connecting rod 3, radial magnet 4；The outer wall measuring device packet
Include Hall angular transducer 5, single-chip microcontroller and outlet line.
The floating drum 2 is immersed in the liquid in the non-permeable material container 1, and the floating drum 2 is led with non-
The change location of amount of liquid in magnetic material container 1 changes；It is connected by a hinge between the floating drum 2 and connecting rod 3
Together, connecting rod 3 follows floating drum 2 mobile when floating drum 2 being made to change mobile with amount of liquid；The radial magnet 4 and connecting rod
Between be rigidly connected；The radial magnet 4 can move in a circle around its rotating shaft, and the floating drum 2 drives connecting rod 3 mobile
When, the connecting rod 3 drives radial magnet 4 to move in a circle around its rotating shaft；It is installed on 1 outside of non-magnet material container
The hall probe of the Hall angular transducer 5 of wall is directed at the radial magnet 4, and the radial magnet 4 does circumference with connecting rod 3
When movement, the variation that the hall probe on the Hall sensor 5 detects magnetic field forms electric signal and exports.The list
Piece machine 12 receives the electric signal that the Hall angular transducer 5 of the measuring device 11 issues, the telecommunications of 12 pairs of single-chip microcontroller receiving
Number calculating is compared, so that it is determined that liquid level position and calculating remaining liq volume.
The present invention also provides a kind of contactless non-permeable material tank fill level measuring devices in aircraft non-magnetic
The liquid level detection device is installed on the side wall of non-permeable material fuel tank by the embodiment used on material fuel tank, institute
The floating drum of liquid level detection device is stated as the variation in the liquid level face of oil exports electric signal to single-chip microcontroller, collects the single-chip microcontroller of signal
After handling signal, it is transferred to the signal processing center of aircraft, in conjunction with the inertial navigation information and fuel tank reference planes of aircraft, is flown
For machine in flight course, the inertial navigation information reflected at the time of different is inconsistent, the oil in corresponding fuel tank with flight attitude and
The change of acceleration and change, the liquid level detection device detects fuel-displaced liquid level in real time, in conjunction with aircraft inertial navigation believe
Breath and the fuel tanker shape calculate the capacity of remaining oil.
The present invention also provides a kind of contactless non-permeable material tank fill levels of multiple spot (3 points or 3 points or more) to survey
The embodiment that amount device uses on aircraft non-permeable material fuel tank, comprising: the liquid level detection device can be led non-
Magnetic material fuel tanker side wall multiple spot arrangement, the liquid level detection device are produced with the variation of the Oil Level of each test point
Raw electric signal, for electric signal transmission to single-chip microcontroller, collected information is transferred to computer system by single-chip microcontroller, and computer is by multiple spot
Liquid level position monitoring point position is calculated, and according to not collinear three points or multiple spot at face principle, is formed the liquid level plane of oil, is calculated
The angle of the liquid level plane and the plane of reference and the distance of liquid level plane separation reference planes, in conjunction with fuel tank shape, to count
Calculate the amount of remaining oil.
Not conllinear multimetering non-permeable material oil tank liquid level positional structure is described in detail in conjunction with Fig. 2:
As shown in Fig. 2, collinear three points or multiple spot (3 points or more) oil liquid level measuring arrangement do not detect real-time oil tank liquid level
The position of plane generates the liquid level plane of oil, the liquid level plane place of the oil according to the spatial value of three 3 points of point a, b, c
Plane equation: A1X+B1Y+C1Z=0, the plane equation where reference planes: A2X+B2Y+C2Z=0, the liquid level where oil liquid
Plane normal vector (A1, B1, C1), the reference planes normal vector (A2, B2, C2), enable oil liquid liquid level face and reference planes it
Between angle be γ；
The then angle between the oil liquid liquid level plane and reference planes:
Fuel Oil Remaining is calculated according to the angle γ and fuel tank shape of the liquid level plane and reference planes.It similarly can also be with
Multiple level sensing modules are taken to install, multiple spot detection signal input computer carries out calculating Fuel Oil Remaining.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (2)
1. a kind of contactless non-permeable material tank fill level detection device, it is characterised in that: including inner wall measuring device and
Outer wall measuring device, the inner wall measuring device include floating drum (2), connecting rod (3), radial magnet (4), the outer wall measurement dress
It sets including Hall angular transducer (5), single-chip microcontroller and outlet line；
The floating drum (2) is immersed in the internal liquid of non-permeable material container (1), described connecting rod (3) one end and floating drum
(2) hingedly, the other end and radial magnet (4) are rigidly connected, and the radial magnet (4) is connected with single-revolution axis, the rotating shaft
It is fixed on the inner wall of non-permeable material container (1)；
The hall probe that the Hall passes angle sensor, which is fixed on non-permeable material corresponding with the radial magnet (4), to be held
On device (1) outer wall position, the Hall angular transducer (5) is connected by outlet line with single-chip microcontroller.
2. a kind of contactless non-permeable material tank fill level detection device according to claim 1, it is characterised in that:
Moving up and down for the floating drum (2) drives connecting rod (3) rotation, and then the radial magnet (4) is driven to turn around rotating shaft
Dynamic, the Hall angular transducer (5) detects that radial magnet (4) rotate generated electric signal, is sent by outlet line
To single-chip microcontroller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711174287.XA CN110487359A (en) | 2017-11-22 | 2017-11-22 | A kind of contactless non-permeable material tank fill level detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711174287.XA CN110487359A (en) | 2017-11-22 | 2017-11-22 | A kind of contactless non-permeable material tank fill level detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110487359A true CN110487359A (en) | 2019-11-22 |
Family
ID=68580534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711174287.XA Pending CN110487359A (en) | 2017-11-22 | 2017-11-22 | A kind of contactless non-permeable material tank fill level detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110487359A (en) |
-
2017
- 2017-11-22 CN CN201711174287.XA patent/CN110487359A/en active Pending
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20191122 |