CN106093460A - A kind of flow rate measuring device - Google Patents
A kind of flow rate measuring device Download PDFInfo
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- CN106093460A CN106093460A CN201610658414.2A CN201610658414A CN106093460A CN 106093460 A CN106093460 A CN 106093460A CN 201610658414 A CN201610658414 A CN 201610658414A CN 106093460 A CN106093460 A CN 106093460A
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- axis
- spheroid
- flexible hinge
- deflector
- flow rate
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/02—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring forces exerted by the fluid on solid bodies, e.g. anemometer
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P13/00—Indicating or recording presence, absence, or direction, of movement
- G01P13/02—Indicating direction only, e.g. by weather vane
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention discloses a kind of flow rate measuring device, including: spheroid；Framework, is used for supporting described spheroid；Flexible hinge combines, described spheroid is connected with described framework by the combination of described flexible hinge, the combination of described flexible hinge can produce elastic deflection rotating around x-axis, y-axis and z-axis, and described x-axis, y-axis and z-axis are three perpendicular coordinate axess with the center of circle of described spheroid as zero；For sensing the induction apparatus of the elastic deflection amount that the combination of described flexible hinge produces rotating around x-axis, y-axis and z-axis.Being arranged such, the flow rate measuring device that the present invention provides, it can be applicable to three-dimensional flow and measure, and certainty of measurement is higher.
Description
Technical field
The present invention relates to fluid measuring apparatus technical field, more particularly, it relates to a kind of flow rate measuring device.
Background technology
Flow rate measuring device is mainly used in the flow-speed measurement of gas, liquid, and flow rate measuring device of the prior art is most
Measurement apparatus for machinery rotating type.The measuring principle of this kind of flow rate measuring device is the rotary speed by measuring center roller
Obtain flow velocity size.
But, this kind of machinery rotating type flow rate measuring device need to rely on revolute pair to be operated, and there is certain friction, needs
Certain start velocity, the most inapplicable and low flow velocity is wanted to measure occasion.And flow to lack accurate measurement, and it is mainly used
Narrower in flow-speed measurement, the scope of application of two dimensional surface.
Therefore, how to solve the problem that certainty of measurement is low, the scope of application is narrower of flow rate measuring device of the prior art,
Become those skilled in the art's important technological problems to be solved.
Summary of the invention
In view of this, it is an object of the invention to provide a kind of flow rate measuring device, it can be applicable to three-dimensional flow and survey
Amount, and certainty of measurement is higher.
A kind of flow rate measuring device that the present invention provides, including:
Spheroid；
Framework, is used for supporting described spheroid；
Flexible hinge combines, and described spheroid is connected with described framework by the combination of described flexible hinge, described flexible hinge
Chain combination can produce elastic deflection rotating around x-axis, y-axis and z-axis, and described x-axis, y-axis and z-axis are to be with the center of circle of described spheroid
Three perpendicular coordinate axess of zero；
For sensing the induction apparatus of the elastic deflection amount that the combination of described flexible hinge produces rotating around x-axis, y-axis and z-axis.
Preferably, the combination of described flexible hinge includes four flexible hinges, and the company of four flexible hinges and described spheroid
Contact, two of which is positioned in described x-axis, and two other is positioned in described y-axis；
It is positioned at flexible hinge described in a pair in described x-axis with the junction point of described spheroid to include: can be inclined around described y-axis
Turn and the first deflector of being connected with described spheroid and be connected with described first deflector and described framework and can be around
Second deflector of described z-axis deflection；
It is positioned at flexible hinge described in a pair in described y-axis with the junction point of described spheroid to include: can be inclined around described x-axis
Turn and the 3rd deflector that is connected with described spheroid and be connected with described 3rd deflector and described framework and can be around
The quadrupole deflector portion of described z-axis deflection.
Preferably, described second deflector is two, and is connected to two side positions of described first deflector；Described
Quadrupole deflector portion is two, and is connected to two side positions of described 3rd deflector.
Preferably, described spheroid is hollow ball.
Preferably, described flexible hinge is straight beam type flexible hinge, and described induction apparatus is arranged at described straight beam type flexible hinge
The minimum widith position of chain.
Preferably, described framework and described flexible hinge are integral type structure.
Preferably, described framework and described flexible hinge are formed by linear cutter.
Preferably, described framework is square frame, and four described flexible hinges are connected to four of described framework
Bian Shang.
Preferably, the centre of sphere of described spheroid coincides with the center of described framework.
Preferably, described second deflector and described quadrupole deflector portion are processed to form by the frame of described framework.
The present invention provide technical scheme in, spheroid be used for being placed in flow field sensing three-dimensional flow, when fluid matasomatism in
Time on spheroid, the active force of fluid can be analyzed to the decomposing force paralleled with x-axis, y-axis, three directions of z-axis, at three decomposing force
Effect under, flexible hinge combination produces elastic deflection by what trace occurred around x-axis, y-axis and z-axis, and induction apparatus is used for sensing soft
Property hinge combination rotating around x-axis, y-axis and z-axis produce elastic deflection amount, the decomposing force size in three directions can be calculated,
Finally, the component in measured three directions of x, y, z is synthesized, the amount of force of the fluid that spheroid is subject to can be obtained,
And then inverse goes out size and the direction of flow field velocity.Therefore, the flow rate measuring device that the present invention provides can be applicable to three-dimensional flow
Speed is measured, and certainty of measurement is higher.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the overall schematic of flow rate measuring device in the embodiment of the present invention；
Fig. 2 is the enlarged diagram of four flexible hinges in the embodiment of the present invention；
Fig. 3 is flexible hinge partial schematic diagram in the embodiment of the present invention；
In Fig. 1-Fig. 3:
Spheroid 11, framework 12, induction apparatus 13, flexible hinge the 14, first deflector the 15, second deflector
16, the 3rd deflector 17, quadrupole deflector portion 18, screwed hole 19.
Detailed description of the invention
The purpose of this detailed description of the invention is to provide a kind of flow rate measuring device, and it can be applicable to three-dimensional flow and survey
Amount, and certainty of measurement is higher.
Hereinafter, referring to the drawings embodiment is illustrated.Additionally, embodiments illustrated below is not to described in claim
Summary of the invention play any restriction effect.It addition, the full content of the composition represented by example below is not limited to as right
Necessary to the solution of the invention described in requirement.
Refer to Fig. 1-Fig. 3, the flow rate measuring device that the present embodiment provides, including spheroid 11, framework 12, flexible hinge group
Close and induction apparatus 13.
Wherein, framework 12 is connected with framework 12 by flexible hinge combination for supporting sephere 11, spheroid 11, works as spheroid
11 by the active force of fluid time, spheroid 11 produces deflection, and then makes flexible hinge combination produce deflection.The present embodiment provides
Flexible hinge combination can produce elastic deflection rotating around x-axis, y-axis and z-axis, and wherein, x-axis, y-axis and z-axis are with spheroid 11
The center of circle is three perpendicular coordinate axess of zero.
When fluid matasomatism is on spheroid 11, the active force of fluid can be analyzed to equal with x-axis, y-axis, three directions of z-axis
The decomposing force of row, under the effect of three decomposing force, flexible hinge combination produces bullet by generation trace around x-axis, y-axis and z-axis
Property deflection, the present embodiment also includes for sensing the elastic deflection amount that flexible hinge combination produces rotating around x-axis, y-axis and z-axis
Induction apparatus 13.
Being arranged such, in the technical scheme that the present invention provides, spheroid 11 is used for being placed in flow field sensing three-dimensional flow, when
When fluid matasomatism is on spheroid 11, the active force of fluid can be analyzed to the decomposing force paralleled with x-axis, y-axis, three directions of z-axis,
Under the effect of three decomposing force, flexible hinge combination produces elastic deflection by generation trace around x-axis, y-axis and z-axis, senses
Device 13, for sensing the elastic deflection amount that flexible hinge combination produces rotating around x-axis, y-axis and z-axis, can calculate three directions
Decomposing force size, finally, the component in measured three directions of x, y, z is synthesized, the stream that spheroid 11 is subject to can be obtained
The amount of force of body, and then inverse goes out size and the direction of flow field velocity.Therefore, the flow rate measuring device that the present embodiment provides
Three-dimensional flow can be applicable to measure, and certainty of measurement is higher.
In the preferred version of the present embodiment, flexible hinge combination includes four flexible hinges 14, and four flexible hinges 14
With the junction point of spheroid 11, two of which is positioned in x-axis, and two other is positioned in y-axis, i.e. four flexible hinges 14 and spheroid 11
Junction point, lay respectively at four endpoint locations of two perpendicular diameters of spheroid 11.
The pair of flexible hinge 14 being positioned in x-axis with the junction point of spheroid 11 includes the first deflector 15 and the second deflector
16, the pair of flexible hinge 14 being positioned in y-axis with the junction point of spheroid 11 includes the 3rd deflector 17 and quadrupole deflector portion 18.
Wherein the first deflector 15 around y-axis deflection and can be connected with spheroid 11, the second deflector 16 and the first deflection
Portion 15 is connected with framework 12 and can deflect around z-axis.3rd deflector 17 around x-axis deflection and can be connected with spheroid 11,
Quadrupole deflector portion 18 is connected with the 3rd deflector 17 and framework 12 and can deflect around z-axis.
Being arranged such, with four points of connection place plane as boundary, spheroid 11 has been evenly divided into two parts, when spheroid 11
During by flow disturbance, when spheroid 11 glances off, the problem that will not cause because own wt is unbalance detecting misalignment.With spheroid 11
The pair of flexible hinge 14 that is positioned in x-axis of junction point, two points of its supporting sephere 11 are positioned at two ends of spheroid 11 diameter
On point, and the first deflector 15 deflects around y-axis, the second deflector 16 can deflect around z-axis.And, with the junction point of spheroid 11
The pair of flexible hinge 14 being positioned in y-axis, two points of its supporting sephere 11 are positioned on two end points of spheroid 11 diameter, and the
Three deflector 17 deflect around x-axis, quadrupole deflector portion 18 can deflect around z-axis.Equably spheroid 11 is formed from four direction
Supporting role, the problem can ensure when spheroid 11 is because glancing off equally, causing detecting misalignment because own wt is unbalance.And
And, each deflector will not be affected by each other, and the precision of flow-speed measurement has been effectively ensured.
Further, in the present embodiment, the second deflector 16 is two, and is connected to the both sides of the first deflector 15
Position；Quadrupole deflector portion 18 is two, and is connected to two side positions of the 3rd deflector 17.
Being arranged such, flexible hinge combination has more deflector, it is to avoid affect spheroid 11 because of himself rigidity
The problem of deflection, further ensures measuring accuracy.
In order to improve certainty of measurement further, in the present embodiment, spheroid 11 is hollow ball.So spheroid 11 has the lightest
Weight, even if less flow disturbance also is able to make spheroid 11 deflect, and then measure the flow velocity of fluid.
Flexible hinge 14 in the present embodiment, it is preferred to use straight beam type flexible hinge, it is soft that induction apparatus 13 is arranged at straight beam type
The minimum widith position of property hinge.As it is shown on figure 3, the minimum widith of straight beam type flexible hinge is L, the position of minimum widith L is
Deflector, is arranged on induction apparatus 13 this position and can accurately induce the amount of deflection at this position.
It should be noted that the framework 12 of the present embodiment offer and flexible hinge 14 can be integral type structure, specifically may be used
All to be formed by linear cutter, certainly, framework 12 and flexible hinge 14 also can link together otherwise, than
Such as, welding, threaded etc..Said frame 12 can be preferably square frame 12, and four flexible hinges 14 are connected to
On the four edges of framework 12.Certainly, said frame 12 is alternatively other shape, such as, rectangle, circle etc..
When being shaped as square of framework 12, further, the centre of sphere of spheroid 11 coincides with the center of framework 12, as
This is arranged, and the distance on each limit of spheroid 11 to framework 12 is equal, four flexible hinges 14 in the same size, and spheroid 11 deflects
Time, it is possible to drive each flexible hinge 14 to produce deflection equably, improve accuracy of detection.
It should be noted that in the preferred version of the present embodiment, the second deflector 16 and quadrupole deflector portion 18 are by framework
The frame of 12 is processed to form, and the such as second deflector 16 and quadrupole deflector portion 18 can be formed, so by line cutting by frame
Arranging, flexible hinge 14 and framework 12 are integral type structure, it is possible to avoid the two to impact accuracy of detection because of installation factor.
The flow rate measuring device that the present embodiment provides, in use, can pass through bolt or other fixture, be fixed by framework
Testing the speed on platform.Therefore, in the present embodiment, screwed hole 19 can be provided with on framework, in order to fixed flow rate measures dress
Put.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.
Multiple amendment to these embodiments will be apparent from for those skilled in the art, as defined herein
General Principle can realize without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein and features of novelty phase one
The widest scope caused.
Claims (10)
1. a flow rate measuring device, it is characterised in that including:
Spheroid (11)；
Framework (12), is used for supporting described spheroid (11)；
Flexible hinge combines, and described spheroid (11) is connected with described framework (12) by the combination of described flexible hinge, described soft
Property hinge combination can rotating around x-axis, y-axis and z-axis produce elastic deflection, described x-axis, y-axis and z-axis are with described spheroid (11)
The center of circle is zero three perpendicular coordinate axess；
For sensing the induction apparatus (13) of the elastic deflection amount that the combination of described flexible hinge produces rotating around x-axis, y-axis and z-axis.
2. flow rate measuring device as claimed in claim 1, it is characterised in that the combination of described flexible hinge includes four flexible hinges
Chain (14), and the junction point of four flexible hinges (14) and described spheroid (11), two of which is positioned in described x-axis, and other two
Individual it is positioned in described y-axis；
It is positioned at flexible hinge (14) described in a pair in described x-axis with the junction point of described spheroid (11) to include: can be around described y
Axle deflection and the first deflector (15) of being connected with described spheroid (11) and with described first deflector (15) and described frame
The second deflector (16) that frame (12) is connected and can deflect around described z-axis；
It is positioned at flexible hinge (14) described in a pair in described y-axis with the junction point of described spheroid (11) to include: can be around described x
Axle deflection and the 3rd deflector (17) that is connected with described spheroid (11) and with described 3rd deflector (17) and described frame
Frame (12) is connected and can be around the quadrupole deflector portion (18) that described z-axis deflects.
3. flow rate measuring device as claimed in claim 2, it is characterised in that described second deflector (16) is two, and point
It is not connected to two side positions of described first deflector (15)；Described quadrupole deflector portion (18) is two, and is connected to institute
State two side positions of the 3rd deflector (17).
4. the flow rate measuring device as described in any one of claim 1-3, it is characterised in that described spheroid (11) is hollow ball.
5. the flow rate measuring device as described in any one of claim 1-3, it is characterised in that described flexible hinge (14) is straight beam
Type flexible hinge, described induction apparatus (13) is arranged at the minimum widith position of described straight beam type flexible hinge.
6. flow rate measuring device as claimed in claim 1, it is characterised in that described framework (12) and described flexible hinge (14)
For integral type structure.
7. flow rate measuring device as claimed in claim 6, it is characterised in that described framework (12) and described flexible hinge (14)
Formed by linear cutter.
8. flow rate measuring device as claimed in claim 2, it is characterised in that described framework (12) is square frame, four
Described flexible hinge (14) is connected on the four edges of described framework (12).
9. flow rate measuring device as claimed in claim 8, it is characterised in that the centre of sphere of described spheroid (11) and described framework
(12) center coincides.
10. flow rate measuring device as claimed in claim 2, it is characterised in that described second deflector (16) and the described 4th
Deflector (18) is processed to form by the frame of described framework (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610658414.2A CN106093460B (en) | 2016-08-11 | 2016-08-11 | Flow velocity measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610658414.2A CN106093460B (en) | 2016-08-11 | 2016-08-11 | Flow velocity measuring device |
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| Publication Number | Publication Date |
|---|---|
| CN106093460A true CN106093460A (en) | 2016-11-09 |
| CN106093460B CN106093460B (en) | 2022-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610658414.2A Active CN106093460B (en) | 2016-08-11 | 2016-08-11 | Flow velocity measuring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111095375A (en) * | 2017-09-11 | 2020-05-01 | Koa株式会社 | Sensor unit and multi-link sensor using the same |
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| Publication number | Publication date |
|---|---|
| CN106093460B (en) | 2022-04-26 |
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