CN107764352A - A kind of passive flow monitoring device and method - Google Patents
A kind of passive flow monitoring device and method Download PDFInfo
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- CN107764352A CN107764352A CN201710959397.0A CN201710959397A CN107764352A CN 107764352 A CN107764352 A CN 107764352A CN 201710959397 A CN201710959397 A CN 201710959397A CN 107764352 A CN107764352 A CN 107764352A
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Abstract
The invention discloses a kind of passive flow monitoring device and method.The device includes flowmeter pipeline, the magnetic impeller being arranged in flowmeter pipeline, the sensitive silk being arranged at outside flowmeter pipeline.Sensitive silk is the warp architecture that can arbitrarily adjust of flexibility, and the Distribution of Magnetic Field of the flexibility and magnetic impeller of the sensitive silk of bending shape under different tube diameters matches.Energy need not be provided during present invention work, belongs to essential safety product；The Distribution of Magnetic Field of flexibility and magnetic impeller of the bending shape sensitivity silk under different tube diameters matches, and has wide applicability；For sensitive silk when applying the deformation being stretched by external force, under magneto mechanical effect, magnetic property also has the lifting of certain amplitude；The degree of crook of sensitive silk just accords with the tendency of magnetic induction intensity, under same position, stronger magnetic flux can be experienced, can be coordinated using Wiegand sensor made of the present invention with commercially available most calibers, there is the compatibility as Hall sensor, tongue tube.
Description
Technical field
The present invention relates to a kind of flow monitoring equipment and its monitoring method for flowmeter, belongs to flow monitoring apparatus neck
Domain.
Background technology
The zero power consumptive magneto-dependent sensor (also referred to as Wiegand sensor) succeeded in developing according to Wiegand effect, its core component is quick
The magnetic history of sense silk is the process that its internal magnetic domain is acted on and overturn by external magnetic force, but with common ferromagnetic material
Compare, the magnetic domain upset of sensitive silk is very violent, is about completed in 15~50us.When placing coil around sensitive silk
And coil is monitored, by oscillograph it will be clear that sharp voltage pulse signal.Magnetic domain upset speed with
The frequency of extraneous alternating magnetic field is unrelated, that is to say, that external magnetic field pace of change is fast or slow, and magnetic domain inside sensitive silk is overturn
Speed for be do not have it is influential, to magnetic domain upset unique influent factor be exactly external magnetic field intensity.
Wiegand sensor is widely used in flow monitoring industry, and its passive, contactless, two-wire system is a little
Accepted extensively by the sector.The occasion especially monitored in fuel oil, gas flow, has inborn advantage.
In flow monitoring industry using magnetic impeller as the equivalent measured body of flow be one kind can have concurrently precision with
The scheme of economy, especially modeling magnetic technique fast-developing in recent years, enable magnetic impeller in mechanical structure and magnetic property
Reach good uniformity on both side., it is expected that following magnetic impeller can be more extensive in the application of flow monitoring row.
The volume of magnetic impeller bi-directional scaling with caliber difference, but its remanent magnetism and coercivity are often fixed value.
The present common processing method of industry is that the flowmeter of a certain standard caliber is, it is necessary to which unique Wiegand sensor is matched.Just
Be for this reason that, although there is the outstanding advantage of electric aspect, on machinery support, existing Wiegand sensor installation
Status requirement is high, it is allowed to which position deviation is small, it is impossible to general on different tube diameters.That is design must be oriented, and with
The Hall sensor compared, tongue tube sensor this problem is not present, this makes Wiegand sensor have in actual applications
Certain limitation, so that Wiegand sensor is slower in the promotion rate of flow monitoring industry.
At present, Wiegand sensor is to use to rigidly fix for the fixed form of sensitive silk, and the form of sensitive silk is only
First, it is straight, unbending.When detecting the rotary motion of magnetic impeller, the axis of sensitive silk has to be magnetic with installation
The outer diameter tube of impeller forms a special angle and could triggered, while the redundancy very little of the position.In addition, in different tube diameters
Under, sensitive silk is different from the angle between outer diameter tube, reduces " measure of precision " of Wiegand sensor, so as to further increase
The limitation of Wiegand sensor in actual applications.
Application No. CN201610050839.5, entitled " a kind of method and its device for producing B alloy wire Wiegand effect "
Chinese invention patent disclose a kind of new technology for making the processing of sensitive silk, the sensitive silk manufactured using the technique can bent
Form under keep original magnetic property.
The content of the invention
For above mentioned problem existing for Wiegand sensor in the prior art, the present invention proposes that one kind makes Wiegand sensor can be with
As Hall sensor, tongue tube sensor, apparatus and method that can be general in the flowmeter of different size caliber.
Technical scheme is as follows：
The present invention provides a kind of passive flow monitoring device, including flowmeter pipeline, the magnetic that is arranged in flowmeter pipeline
Property impeller, the sensitive silk that is arranged at outside flowmeter pipeline, the sensitive silk is the warp architecture that flexibility can be adjusted arbitrarily, bending
The Distribution of Magnetic Field of flexibility and magnetic impeller of the sensitive silk of form under different tube diameters matches.
As a further improvement on the present invention, under caliber the same terms of flowmeter pipeline, the sensitive silk both ends
Magnetic induction intensity component is more than the sensitive silk of straight form.
As a further improvement on the present invention, after the sensitive silk is applied by external force stretches deformation, the sensitive silk
Magnetic property strengthens.
As a further improvement on the present invention, the sensitive silk by the cooperation between snap ring and caliber is installed complete with
The adaptation of different tube diameters.
The present invention also provides a kind of passive flow monitoring method, magnetic impeller is set inside flowmeter pipeline, in flow
Count pipeline external and sensitive silk as described above is set.
As a further improvement on the present invention, methods described makes Wiegand sensor lead in the flowmeter of different size caliber
With.
As a further improvement on the present invention, the degree of crook of sensitive silk is made to meet the tendency of magnetic induction intensity.
Beneficial effects of the present invention are as follows：
1st, measurement apparatus of the invention is compared with traditional active sensor, need not provide energy during work, therefore save
But supply lines, belongs to essential safety product.
2nd, it is of the invention to be compared with traditional passive sensor (traditional Wiegand sensor), there is wide applicability.Bending
Form sensitivity silk can complete the adaptation for different tube diameters by installing the cooperation between snap ring and caliber.Bending shape is quick
The Distribution of Magnetic Field for feeling flexibility and magnetic impeller of the silk under different tube diameters matches.Under same caliber, and straight form is quick
Sense silk is compared, and the magnetic induction intensity component at bending shape sensitivity silk both ends can be bigger, thus can have preferably performance.
3rd, the sensitive silk of bending shape determines that it is stretched degree according to water pipe caliber, and sensitive silk is stretched by external force application
Deformation when, under magneto mechanical effect, magnetic property also has the lifting of certain amplitude.Water pipe caliber is different, the magnetic impeller of use
Differ, the deflection of sensitive silk just can be corresponding with magnetic impeller.
4th, the degree of crook of sensitive silk just accords with the tendency of magnetic induction intensity, under same position, can experience stronger
Magnetic flux.Using the present invention can Wiegand sensor made of deformation sensitivity silk can coordinate with commercially available most calibers, tool
There is the compatibility as Hall sensor, tongue tube.
Brief description of the drawings
Fig. 1 is the structural representation of the passive flow monitoring device of the present invention.
In figure：1st, flowmeter pipeline；2nd, magnetic impeller；3rd, bending shape sensitivity silk；4th, straight form sensitivity silk.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
Because magnetic impeller material determines coercivity and remanent magnetism, unique factor for influenceing Distribution of Magnetic Field is exactly its mechanical chi
It is very little.Therefore, this series of magnetic impeller the changing rule of its magnetic flux distributions, is related to pipe diameter size when rotated.If Wei
Identical " related " relation can occur between caliber for the core component " sensitive silk " of root sensor, then can causes Wiegand
Sensor can have general applicability.
Embodiment one
The present embodiment provides a kind of passive flow monitoring device as shown in Figure 1.The device includes flowmeter pipeline 1, set
The magnetic impeller 2 that is placed in flowmeter pipeline 1, the sensitive silk being arranged at outside flowmeter pipeline 1 are (for ease of clearly demonstrating this hair
Bright difference with the prior art, in Fig. 1 respectively by solid lines and hollow lines show it is existing it is straight in the form of the He of sensitivity silk 4
Bending shape sensitivity silk 3 in the present invention).Sensitive silk in the present embodiment is the warp architecture that flexibility can be adjusted arbitrarily, curved
Distribution of Magnetic Field (as shown in phantom in FIG.) phase of flexibility of the sensitive silk of curved state under different tube diameters and magnetic impeller 2
Match somebody with somebody.As shown in figure 1, the degree of crook of sensitive silk just accords with the tendency of magnetic induction intensity, under same position, can experience more
Strong magnetic flux.Meanwhile the component of the sensitive silk both ends magnetic induction intensity of bending through sensitive silk is bigger so that sensitive silk is more preferable
Magnetic property shows.
Under caliber the same terms of flowmeter pipeline, the magnetic induction intensity component at above-mentioned sensitive silk both ends is more than straight shape
The sensitive silk of state.
The sensitive silk of bending shape determines that it is stretched degree according to water pipe caliber, when in the present embodiment sensitive silk by external force
After deformation is stretched in application, the magnetic property of sensitive silk is strengthened.Deformation under limited conditions (is stretched according to the direction of bending
Operation, hereinafter, deformation) magnetic property of sensitive silk can also be strengthened.The form of bending makes sensitive silk divide in itself with magnetic induction line
The state of cloth is more nearly, and can more fully experience magnetic field.Deformation operation can allow sensitive silk completely and caliber coordinates,
There is more preferable trigger position than the sensitive silk under original straight form.In the application, it is ensured that the sensitive silk of sensor is in magnetic
The middle part of property impeller, as hair fastener, is adapted to different tube diameters.
As a kind of preferred fixed form of the present embodiment, above-mentioned sensitive silk is by installing the cooperation between snap ring and caliber
To complete the adaptation with different tube diameters.
Embodiment two
The present embodiment provides a kind of passive flow monitoring method, and magnetic impeller is set inside flowmeter pipeline.In flow
Meter pipeline external measures the uninterrupted of flowmeter using Wiegand sensor, and the structure of the Wiegand sensor passes with existing Wiegand
The structure of sensor is identical, and existing straight form sensitivity silk 4 is only replaced with to the sensitive silk as described in implementing one.
Using the method for the present embodiment cause Wiegand sensor in the flowmeter of different size caliber it is general, also make sensitivity
The degree of crook of silk meets the tendency of magnetic induction intensity.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention.All essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (7)
- A kind of 1. passive flow monitoring device, it is characterised in that：Including flowmeter pipeline, the magnetic being arranged in flowmeter pipeline Impeller, the sensitive silk being arranged at outside flowmeter pipeline, the warp architecture that the sensitive silk can be adjusted arbitrarily for flexibility, Curved The Distribution of Magnetic Field of flexibility and magnetic impeller of the sensitive silk of state under different tube diameters matches.
- A kind of 2. passive flow monitoring device according to claim 1, it is characterised in that：In the caliber phase of flowmeter pipeline With under the conditions of, the magnetic induction intensity component at the sensitive silk both ends is more than the sensitive silk of straight form.
- A kind of 3. passive flow monitoring device according to claim 1, it is characterised in that：When the sensitive silk is applied by external force Add after stretching deformation, the magnetic property enhancing of the sensitive silk.
- A kind of 4. passive flow monitoring device according to claim 1, it is characterised in that：The sensitive silk passes through installation card Coordinating to complete the adaptation with different tube diameters between ring and caliber.
- A kind of 5. passive flow monitoring method, it is characterised in that：Magnetic impeller is set inside flowmeter pipeline, in flowmeter tube Sensitive silk as described in any one in claim 1-4 is set outside road.
- A kind of 6. passive flow monitoring method according to claim 5, it is characterised in that：Methods described makes Wiegand sensor It is general in the flowmeter of different size caliber.
- A kind of 7. passive flow monitoring method according to claim 5, it is characterised in that：Accord with the degree of crook of sensitive silk Close the tendency of magnetic induction intensity.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710959397.0A CN107764352B (en) | 2017-10-16 | 2017-10-16 | Passive flow monitoring device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710959397.0A CN107764352B (en) | 2017-10-16 | 2017-10-16 | Passive flow monitoring device and method |
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| Publication Number | Publication Date |
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| CN107764352A true CN107764352A (en) | 2018-03-06 |
| CN107764352B CN107764352B (en) | 2019-12-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023051485A1 (en) * | 2021-09-29 | 2023-04-06 | 浙江白马科技有限公司 | Traveling wheel, autonomous operation apparatus, and method for detecting state of traveling wheel |
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| WO1994002987A1 (en) * | 1992-07-22 | 1994-02-03 | Doduco Gmbh + Co. Dr. Eugen Dürrwächter | Inductive impulse-generator |
| CN2929659Y (en) * | 2006-07-31 | 2007-08-01 | 杨易儒 | Flow sensor |
| CN201917345U (en) * | 2010-12-10 | 2011-08-03 | 陈沛 | Novel zero-power-consumption and magnetic-attack-resistance magneto-dependent sensor |
| CN105618636A (en) * | 2016-01-25 | 2016-06-01 | 南京艾驰电子科技有限公司 | Method and device for generating alloy wire wiegand effect |
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2017
- 2017-10-16 CN CN201710959397.0A patent/CN107764352B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994002987A1 (en) * | 1992-07-22 | 1994-02-03 | Doduco Gmbh + Co. Dr. Eugen Dürrwächter | Inductive impulse-generator |
| CN2929659Y (en) * | 2006-07-31 | 2007-08-01 | 杨易儒 | Flow sensor |
| CN201917345U (en) * | 2010-12-10 | 2011-08-03 | 陈沛 | Novel zero-power-consumption and magnetic-attack-resistance magneto-dependent sensor |
| CN105618636A (en) * | 2016-01-25 | 2016-06-01 | 南京艾驰电子科技有限公司 | Method and device for generating alloy wire wiegand effect |
Non-Patent Citations (2)
| Title |
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| 陈锴: "海洋渔业船舶柴油机怠速工况下的瞬态油耗测量技术研究", 《中国优秀硕士学位论文全文数据库工程科技Ⅱ辑》 * |
| 顾敏芬，朱云: "基于零功耗磁敏传感器的电子水表基表的研制", 《南京师范大学学报(工程技术版)》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023051485A1 (en) * | 2021-09-29 | 2023-04-06 | 浙江白马科技有限公司 | Traveling wheel, autonomous operation apparatus, and method for detecting state of traveling wheel |
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| CN107764352B (en) | 2019-12-31 |
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