CN206514917U - A kind of contactless non-permeable material tank fill level detection means - Google Patents
A kind of contactless non-permeable material tank fill level detection means Download PDFInfo
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- CN206514917U CN206514917U CN201720200798.3U CN201720200798U CN206514917U CN 206514917 U CN206514917 U CN 206514917U CN 201720200798 U CN201720200798 U CN 201720200798U CN 206514917 U CN206514917 U CN 206514917U
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- floating drum
- radial magnet
- permeable material
- measurement apparatus
- angular transducer
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Abstract
The utility model is related to liquid level detection device technical field, a kind of contactless non-permeable material tank fill level detection means is specifically disclosed, liquid level detection device and including inwall measurement apparatus and outer wall measurement apparatus, inwall measurement apparatus includes floating drum, connecting rod, radial magnet, and outer wall measurement apparatus includes Hall angular transducer, single-chip microcomputer and outlet line；Floating drum is immersed in the liquid inside container, and connecting rod one end is hinged with floating drum, and the other end is rigidly connected with radial magnet, and radial magnet is connected with single-revolution axle, and the gyroaxis is fixed on the inwall of container；The hall probe of the Hall angular transducer is fixed on the container outer wall position corresponding with the radial magnet, and Hall angular transducer is connected by outlet line with single-chip microcomputer.The utility model has the advantages that, it is not necessary to non-magnetic chamber wall perforate, it is not necessary to floating drum and sensor linkage, non-contact measurement is realized, modularization is easily formed and accurately measures liquid level.
Description
Technical field
The utility model is related to liquid level detection device technical field, particularly relates to a kind of contactless non-permeable material and holds
Device liquid level detection device.
Background technology
Detected as the float level of one of Technology of Level Detection mode, it is especially excessively program control in industrial processes
Using universal in system.The operation principle of float level measurement apparatus is at present：First, floating drum and sensor linkage, when liquid level occurs
During change, the buoy displacement of measurement apparatus changes, corresponding electric by sensing element generation with the sensor that floating drum links
Signal output；2nd, floating drum and liquid level pointer scale chi are used cooperatively, and with level change, floating drum produces displacement, is connected with floating drum
Liquid level pointer is moved along fluid level scale chi, calculates vessel liquid volume.
Existing float level measurement apparatus is by way of floating drum and graduated scale are engaged or floating drum and sensor connection
It is that dynamic mode carries out level gauging, it is necessary to which floating drum and the linkage of liquid level pointer or floating drum and sensor linkage, are difficult to realize module
Change, measurement error is big.
Utility model content
The purpose of this utility model is to provide a kind of contactless non-permeable material tank fill level detection means, employs
Hall angular transducer, it is not necessary to non-magnetic chamber wall perforate, it is not necessary to floating drum and sensor linkage, realizes noncontact
Formula is measured, and is easily formed modularization and is accurately measured liquid level.
To achieve these goals, the utility model employs following technical scheme：A kind of contactless non-magnetic
Containers liquid level detection device, including inwall measurement apparatus and outer wall measurement apparatus, the inwall measurement apparatus include floating drum,
Connecting rod, radial magnet, the outer wall measurement apparatus include Hall angular transducer, single-chip microcomputer and outlet line；
The floating drum is immersed in the liquid inside non-permeable material container, and described connecting rod one end is hinged with floating drum,
The other end is rigidly connected with radial magnet, and the radial magnet is connected with single-revolution axle, and the gyroaxis is fixed on non-magnetic
On the inwall of containers；
The hall probe of the Hall angular transducer is fixed on the 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 microcomputer.
Wherein, the drive connecting rod that moves up and down of the floating drum is rotated, and then drives the radial magnet around revolution
Axle is rotated, and the Hall angular transducer detects the electric signal produced by radial magnet rotation, is sent to by outlet line
Single-chip microcomputer.
The beneficial effects of the utility model are：When the liquid level changes, measurement apparatus is by liquid level change in displacement
Be transformed into electric signal, and by circuit by electric signal transmission to single-chip microcomputer, single-chip microcomputer is acquired and data processing to electric signal,
So as to realize the measurement of liquid level displacement.
This liquid level emasuring device employs Hall angular transducer, realizes floating drum and sensor is not in contact with, floating drum is only
Vertical motion, Hall angular transducer exports electric signal in real time, after equipment is to the Electric signal processing of output and contrast, the liquid after processing
Position data are sent to single-chip microcomputer by feedback circuit, accurate in real time to grasp liquid level change, and calculating liquid with reference to container shapes holds
Product.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment technical scheme, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only the utility model in order to more clearly
Illustrate the utility model embodiment or technical scheme of the prior art, below by institute in p- embodiment or description of the prior art
The accompanying drawing needed to use is briefly described, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of this detection means；
The multiple spot apparatus structure schematic diagram that Fig. 2 is provided by the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
A kind of contactless non-permeable material tank fill level detection means as shown in Figure 1, including inwall measurement apparatus
With outer wall measurement apparatus, the inwall measurement apparatus includes floating drum 2, connecting rod 3, radial magnet 4；The outer wall measurement apparatus bag
Include Hall angular transducer 5, single-chip microcomputer and outlet line.
The floating drum 2 is immersed in the liquid in described non-permeable material container 1, and described floating drum 2 is led with non-
The change location of amount of liquid in magnetic material container 1 changes；It is connected through the hinge between the floating drum 2 and connecting rod 3
Together, floating drum 2 is made to follow floating drum 2 to move with connecting rod 3 during amount of liquid change movement；Described radial magnet 4 and connecting rod
Between be rigidly connected；Described radial magnet 4 can move in a circle around its gyroaxis, and the floating drum 2 drives connecting rod 3 to move
When, the connecting rod 3 drives radial magnet 4 to be moved in a circle around its gyroaxis；It is installed on the outside of non-magnet material container 1
The hall probe of the Hall angular transducer 5 of wall is directed at the radial magnet 4, and described radial magnet 4 does circle with connecting rod 3
During Zhou Yundong, the change that the hall probe on described Hall sensor 5 detects magnetic field forms electric signal and exported.Described
Single-chip microcomputer 12 receives the electric signal that the Hall angular transducer 5 of the measurement apparatus 11 is sent, the electricity of 12 pairs of receiving of single-chip microcomputer
Calculating is compared in signal, so that it is determined that liquid level position and calculating remaining liq volume.
The utility model additionally provides a kind of contactless non-permeable material tank fill level measurement apparatus and led aircraft is non-
The embodiment used on magnetic material fuel tank, described liquid level detection device is installed on the side wall of non-permeable material fuel tank
On, the floating drum of the liquid level detection device exports electric signal to single-chip microcomputer with the change in the liquid level face of oil, collects signal
After single-chip microcomputer is handled signal, the signal transacting center of aircraft is transferred to, is referred to reference to the inertial navigation information and fuel tank of aircraft
Plane, aircraft is in flight course, and the inertial navigation information reflected at the time of different is inconsistent, and the oil in corresponding fuel tank is with flight
The change of posture and acceleration and change, described liquid level detection device detects fuel-displaced liquid level in real time, with reference to aircraft
Inertial navigation information and the fuel tanker shape calculate the capacity of remaining oil.
The utility model additionally provides a kind of multiple spot () contactless non-permeable material container liquid at 3 points or more than 3 points
The embodiment that level measuring arrangement is used on aircraft non-permeable material fuel tank, including：Described liquid level detection device can be
Non-permeable material fuel tanker side wall multiple spot arrangement, the liquid level detection device is with the change of the Oil Level of each test point
Change and produce electric signal, electric signal transmission is to single-chip microcomputer, and single-chip microcomputer is by the information transfer collected to computer system, and computer will
Multiple spot liquid level position monitoring point position is calculated, and according to not collinear three points or multiple spot into face principle, forms the liquid level plane of oil,
The angle and the distance of liquid level plane separation reference planes of described liquid level plane and the plane of reference are calculated, in conjunction with fuel tank shape, from
And calculate the amount of remaining oil.
Not conllinear multimetering non-permeable material oil tank liquid level positional structure is described in detail with reference to Fig. 2：
As shown in Fig. 2 collinear three points or multiple spot (more than 3 points) fluid level measuring arrangement do not detect real-time oil tank liquid level
The position of plane, the liquid level plane of oil, the oily liquid level plane place are generated according to three 3 points of point a, b, c spatial value
Plane equation：A1X+B1Y+C1Plane equation where Z=0, reference planes：A2X+B2Y+C2Liquid level where Z=0, fluid
Plane normal vector (A1, B1, C1), the reference planes normal vector (A2, B2, C2), make fluid liquid level face and reference planes it
Between angle be γ；
The then angle between the fluid 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.Similarly can also
Multiple level sensing modules are taken to install, multiple spot detection signal input computer carries out calculating Fuel Oil Remaining.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in the utility model
Protection domain within.
Claims (2)
1. a kind of contactless non-permeable material tank fill level detection means, it is characterised in that：Including inwall measurement apparatus and
Outer wall measurement apparatus, the inwall measurement apparatus includes floating drum (2), connecting rod (3), radial magnet (4), the outer wall measurement dress
Put including Hall angular transducer (5), single-chip microcomputer 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) it is hinged, the other end is rigidly connected with radial magnet (4), the radial magnet (4) is connected with single-revolution axle, the gyroaxis
On the inwall for being fixed on non-permeable material container (1)；
The hall probe of the Hall angular transducer, which is fixed on the 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 microcomputer.
2. a kind of contactless non-permeable material tank fill level detection means according to claim 1, it is characterised in that：
The drive connecting rod (3) that moves up and down of the floating drum (2) rotates, and then drives the radial magnet (4) to turn around gyroaxis
Dynamic, the Hall angular transducer (5) detects the electric signal produced by radial magnet (4) rotation, is sent by outlet line
To single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720200798.3U CN206514917U (en) | 2017-03-03 | 2017-03-03 | A kind of contactless non-permeable material tank fill level detection means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720200798.3U CN206514917U (en) | 2017-03-03 | 2017-03-03 | A kind of contactless non-permeable material tank fill level detection means |
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| Publication Number | Publication Date |
|---|---|
| CN206514917U true CN206514917U (en) | 2017-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720200798.3U Active CN206514917U (en) | 2017-03-03 | 2017-03-03 | A kind of contactless non-permeable material tank fill level detection means |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106679766A (en) * | 2017-03-03 | 2017-05-17 | 西安君晖航空科技有限公司 | Non-contact type liquid-level detecting device for non-magnetic material container |
-
2017
- 2017-03-03 CN CN201720200798.3U patent/CN206514917U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106679766A (en) * | 2017-03-03 | 2017-05-17 | 西安君晖航空科技有限公司 | Non-contact type liquid-level detecting device for non-magnetic material container |
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