CN108981829A - A kind of oil droplet flowermeter and its metering method based on cantilever beam deformation deflection - Google Patents
A kind of oil droplet flowermeter and its metering method based on cantilever beam deformation deflection Download PDFInfo
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- CN108981829A CN108981829A CN201810412891.XA CN201810412891A CN108981829A CN 108981829 A CN108981829 A CN 108981829A CN 201810412891 A CN201810412891 A CN 201810412891A CN 108981829 A CN108981829 A CN 108981829A
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- Prior art keywords
- oil droplet
- cantilever beam
- deformation
- beam piece
- deflection
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/20—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow
- G01F1/28—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow by drag-force, e.g. vane type or impact flowmeter
Abstract
The invention discloses a kind of oil droplet flowermeters and its metering method based on cantilever beam deformation deflection, including substrate deformation device and amount of deflection flow computing device, wherein, the substrate deformation device includes cantilever beam piece, it obtains cantilever beam piece deformation deflection after being used for oil droplet impact, and the amount of deflection flow computing device includes deformation degree of disturbing acquisition device and flow computing device.The present invention will lead to the inspiration that cantilever beam piece deforms by droplet impact cantilever beam piece, thus, we make cantilever beam piece deform under the percussion of oil droplet, and the deformation of the cantilever beam piece is to be easy measurement, and then the flow of oil droplet is calculated according to the deformation deflection of cantilever beam piece.This oil droplet flowermeter and its metering method, have the characteristics that rapidly and efficiently, using safe and convenient, can repeatedly use, without polluting, being widely used caused by chemical addition agent, had broad application prospects in terms of measuring oil droplet flow.
Description
Technical field
The present invention relates to fluid flowmeter field, in particular to a kind of oil droplet flowmeter dress based on cantilever beam deformation deflection
It sets and its metering method.
Background technique
Oil liquid flowmeter be a kind of pointer show, the light-duty volumetric flow instrument of character wheel stored counts device and zero resetting device
Table, it is existing often apply from Yu crude oil flowmeter, be widely used in metallurgy, electric power, chemical industry, petroleum, food, medicine, Ren Men
Often life etc. national economy every field fluid flow control, be suitable for various types of liquid measures, as crude oil, diesel oil,
Gasoline etc. has the characteristics that range is big, precision is high, convenient maintenance.
Zi Yu crude oil flowmeter measuring principle: a pair of oval under the action of instrument measurement room passes in and out both ends fluid pressure differential
Gear gyrates on bearing and liquid is discharged, and the revolution for measuring elliptic gear, which may know that, flows through the total of instrument liquid
Value.The volume T of discharge if elliptic gear rotates a circle, unit time elliptic gear number of revolutions are N, then flow within the time
The volume of fluid crossed is NT.
But, as above-mentioned from Yu crude oil flowmeter and other existing oil liquid flowmeters, more there are the following problems:
Mechanism is complicated, bulky, and cost is high, while having minimum flow requirement to measured oil liquid, when flow is smaller,
When such as measuring to oil droplet flow, measurement will be unable to carry out.
For this purpose, people urgently find a kind of convenient oil droplet flowmeter at low cost, succinct.
Summary of the invention
In view of the above-mentioned problems, the present invention will lead to the inspiration that cantilever beam piece deforms by droplet impact cantilever beam piece, make
Cantilever beam piece deforms under the percussion of oil droplet, and the deformation of cantilever beam piece is to be easy measurement, is based on this, the present invention
Provide a kind of oil droplet flowermeter and its metering method based on cantilever beam deformation deflection.
The technical solution adopted by the present invention to solve the technical problems are as follows:
A kind of oil droplet flowermeter based on cantilever beam deformation deflection, including substrate deformation device and amount of deflection flow rate calculation
Device, wherein the substrate deformation device includes cantilever beam piece, obtains cantilever beam piece deformation deflection after being used for oil droplet impact,
The amount of deflection flow computing device includes deformation degree of disturbing acquisition device and flow computing device.
As an improvement of the above technical solution, the cantilever beam piece be can deformation structure, including fixing end and working end,
Described in fixing end experimental bench is fixed on by collet, the working end is suspended on the outside of experimental bench, and front end is that oil droplet impacts
Shock zone, it is horizontal with experimental bench holding when the cantilever beam piece is not impacted by oil droplet.
As an improvement of the above technical solution, the cantilever beam piece using can shape-changing material be made, for certain elasticity
Long thin plate.
As an improvement of the above technical solution, deformation degree of the disturbing acquisition device obtains the change of oil droplet impact rear suspension beam piece
Shape amount of deflection uses Image Acquisition and processing unit or laser measuring device for measuring, other to can be used for obtaining cantilever beam piece deformation degree of disturbing
Device can also be applied to this.
As an improvement of the above technical solution, the flow computing device is scratched according to the deformation that oil droplet impacts rear suspension beam piece
Degree calculates the flow for flowing through oil droplet.
As an improvement of the above technical solution, the flow computing device is computer or other data processing equipments.
A kind of oil droplet flowmeter metering method based on cantilever beam deformation deflection, the method are applied to any of the above-described skill
Oil droplet flowermeter described in art scheme comprising following steps:
Step 1, oil droplet flowmeter is installed on experimental bench；
Step 2, oil droplet free-falling is made to impact cantilever beam piece；
Step 3, the deformation deflection that oil droplet impacts rear suspension beam piece is obtained by deforming degree of disturbing acquisition device；
Step 4, the flow for flowing through oil droplet is calculated according to above-mentioned deformation deflection for flow computing device.
As an improvement of the above technical solution, the step 2 includes keeping oil droplet outstanding with different height free-falling impacts
Arm beam piece.
Bring beneficial effect of the present invention has:
Oil droplet flowermeter of the invention is to will lead to cantilever beam piece by droplet impact cantilever beam piece to deform
It inspires, for this purpose, we make cantilever beam piece deform under the percussion of oil droplet, and the deformation of the cantilever beam piece is easy
It measures, and then the flow of oil droplet is calculated according to the deformation deflection of cantilever beam piece.
This oil droplet flowermeter and its metering method, have rapidly and efficiently, using safe and convenient, can be repeated several times and make
With, without polluting, being widely used caused by chemical addition agent the characteristics of, before having wide application in terms of measuring oil droplet flow
Scape.
Detailed description of the invention
With reference to the accompanying drawing and specific embodiment the invention will be further described,
Attached drawing 1 is oil droplet flowermeter cantilever beam piece deformation degree of disturbing schematic diagram of the present invention.
Specific embodiment
Embodiment 1
A kind of oil droplet flowermeter based on cantilever beam deformation deflection.
The device includes substrate deformation device and amount of deflection flow computing device, wherein substrate deformation device includes cantilever beam
Piece obtains cantilever beam piece deformation deflection after being used for oil droplet impact, and amount of deflection flow computing device includes deformation degree of disturbing acquisition device
And flow computing device.
Referring to attached drawing 1, cantilever beam piece be can deformation structure, including fixing end and working end, fixing end be solid by collet
Due to experimental bench, working end is suspended on the outside of experimental bench, and front end is the shock zone of oil droplet impact, and cantilever beam piece is not by oil droplet
Keep horizontal with experimental bench when impact.Cantilever beam piece using can shape-changing material be made, for the long thin plate with certain elasticity, specifically
For mylar matrix band.
Deformation degree of disturbing acquisition device is scratched by the deformation that Image Acquisition obtains oil droplet impact rear suspension beam piece with processing unit
Degree obtains deformation degree of disturbing, fluoran stream surface product in conjunction with Computer Image Processing such as CCM camera.Meanwhile deforming degree of disturbing acquisition device
The deformation degree of disturbing of cantilever beam piece can also be directly acquired by laser measuring device for measuring.Flow computing device impacts rear overhang according to oil droplet
The deformation deflection of arm beam piece calculates the flow for flowing through oil droplet, according to known calculation formula, completes calculating and data by computer
Record, display.
Embodiment 2
A kind of oil droplet flowmeter metering method based on cantilever beam deformation deflection.
This method is applied to the oil droplet flowermeter in embodiment 1 comprising following steps:
Step 1, oil droplet flowmeter is installed on experimental bench；
Step 2, oil droplet free-falling is made to impact cantilever beam piece；
Step 3, the deformation deflection that oil droplet impacts rear suspension beam piece is obtained by deforming degree of disturbing acquisition device；
Step 4, the flow for flowing through oil droplet is calculated according to above-mentioned deformation deflection for flow computing device.
In other embodiments, step 2, which may also include that, makes oil droplet impact cantilever beam piece with different height free-fallings,
Correspondence obtains the deformation degree of disturbing that oil droplet impacts cantilever beam piece at different rates.
In step 1, to guarantee that oil droplet flow measurement result is accurate, it accurately should be installed on experimental bench, oil droplet is impacted
Position corresponds to cantilever beam piece shock zone.
In step 2, to guarantee that cantilever beam piece can obtain suitable deformation result, cantilever beam piece should be the moderate material of rigidity
Material specifically uses mylar matrix band.
According to calculation formula:
Oil droplet impacts instantaneous velocity V=281.49x-0.344；
Wherein, x represents amount of deflection (m), V representation speed (m/s)；
Oil droplet flow Q=VA；
Q=(281.49x-0.344) A；
Wherein, A is fluoran stream surface product.
Above describe different embodiments of the invention, it is obvious to a person skilled in the art that the present invention is unlimited
In the details of above-mentioned exemplary embodiment, above content is only presently preferred embodiments of the present invention, should not be construed as limiting this
The practical range of invention.Any changes and modifications in accordance with the scope of the present application should still belong to of the invention
Within patent covering scope.
Although not each embodiment only includes one simultaneously it should be appreciated that this specification is described according to embodiment
This narrating mode of independent technical solution, this specification is merely for the sake of clarity, and those skilled in the art should will say
As a whole, the technical solutions in the various embodiments may also be suitably combined for bright book, and forming those skilled in the art can be with
The other embodiments of understanding.
Claims (8)
1. a kind of oil droplet flowermeter based on cantilever beam deformation deflection, it is characterised in that: including substrate deformation device and scratch
Spend flow computing device, wherein the substrate deformation device includes cantilever beam piece, obtains cantilever beam piece after being used for oil droplet impact
Deformation deflection, the amount of deflection flow computing device include deformation degree of disturbing acquisition device and flow computing device.
2. a kind of oil droplet flowermeter based on cantilever beam deformation deflection according to claim 1, it is characterised in that: institute
State cantilever beam piece be can deformation structure, including fixing end and working end, wherein the fixing end is fixed on experimental bench by collet,
The working end is suspended on the outside of experimental bench, and front end is the shock zone of oil droplet impact, and the cantilever beam piece is not rushed by oil droplet
It is horizontal with experimental bench holding when hitting.
3. a kind of oil droplet flowermeter based on cantilever beam deformation deflection according to claim 2, it is characterised in that: institute
State cantilever beam piece using can shape-changing material be made, for the long thin plate with certain elasticity.
4. a kind of oil droplet flowermeter based on cantilever beam deformation deflection according to claim 1, it is characterised in that: institute
State the deformation deflection that deformation degree of disturbing acquisition device obtains oil droplet impact rear suspension beam piece, use Image Acquisition and processing unit or
Laser measuring device for measuring.
5. a kind of oil droplet flowermeter based on cantilever beam deformation deflection according to claim 1 or 4, feature exist
The flow for flowing through oil droplet is calculated according to the deformation deflection that oil droplet impacts rear suspension beam piece in: the flow computing device.
6. a kind of oil droplet flowermeter based on cantilever beam deformation deflection according to claim 5, it is characterised in that: institute
Stating flow computing device is computer or other data processing equipments.
7. a kind of oil droplet flowmeter metering method based on cantilever beam deformation deflection, it is characterised in that: the method is applied to power
Benefit requires 1~6 described in any item oil droplet flowermeters comprising following steps:
Step 1, oil droplet flowmeter is installed on experimental bench；
Step 2, oil droplet free-falling is made to impact cantilever beam piece；
Step 3, the deformation deflection that oil droplet impacts rear suspension beam piece is obtained by deforming degree of disturbing acquisition device；
Step 4, the flow for flowing through oil droplet is calculated according to above-mentioned deformation deflection for flow computing device.
8. a kind of oil droplet flowmeter metering method based on cantilever beam deformation deflection according to claim 7, feature exist
In: the step 2 includes that oil droplet is made to impact cantilever beam piece with different height free-fallings.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810412891.XA CN108981829A (en) | 2018-05-03 | 2018-05-03 | A kind of oil droplet flowermeter and its metering method based on cantilever beam deformation deflection |
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| CN201810412891.XA CN108981829A (en) | 2018-05-03 | 2018-05-03 | A kind of oil droplet flowermeter and its metering method based on cantilever beam deformation deflection |
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Application publication date: 20181211 |