CN203629620U - Metallic rotor flowmeter of inlaid spring device of measuring pipe - Google Patents
Metallic rotor flowmeter of inlaid spring device of measuring pipe Download PDFInfo
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- CN203629620U CN203629620U CN201320617824.4U CN201320617824U CN203629620U CN 203629620 U CN203629620 U CN 203629620U CN 201320617824 U CN201320617824 U CN 201320617824U CN 203629620 U CN203629620 U CN 203629620U
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 29
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 239000004973 liquid crystal related substance Substances 0.000 claims description 8
- 230000001939 inductive effect Effects 0.000 claims description 6
- 238000010276 construction Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model relates to a metallic rotor flowmeter of an inlaid spring device of a measuring pipe. The metallic rotor flowmeter comprises a measuring system and a displacement sensor device. The measuring system comprises a measuring pipe and a magnetic floater in the measuring pipe. The displacement sensor device comprises a pointer component, a dial, a converter and a spring device. The spring device is arranged in the measuring pipe and connected with the magnetic floater. The metallic rotor flowmeter has the advantages that measuring accuracy can be improved.
Description
Technical field
The utility model relates to the metallic rotameter of the built-in spring assembly of a kind of measuring tube.
Background technology
Metal tube flowmeter adopts variable area type measuring principle, and it utilizes mobile energy to detect, and flows and does not need external impetus.The measurement body of suspended body flowmeter is made up of with the float axially moving freely along measuring tube only the vertical survey pipe and of a bottom-up expansion.In the time that the float in measuring tube moves up and down, the Electromagnetic Coupling System through precision magnetizing in converter drives pointer to rotate, and then reads corresponding flow value by index dial and pointer; Therefore the annular space area of float between measuring tube changes with the movement of float, just can extrapolate by measuring the height of float in measuring tube the flow passing through in pipeline.The unitized construction of existing metal pipe float flow meter comprises metal pipe float flow meter and displacement sensing apparatus, and the displacement transducer in the unitized construction of existing metallic rotameter adopts differential transformer transducer and capacitive angular sensor conventionally; But use these two kinds of displacement transducers detection float displacements all cannot realize converter all electronic, miniaturization and the intellectuality on this basis of flowmeter.Wherein differential transformer transducer is due to the restriction of its principle and structure, the displacement detection system that differential transformer forms is difficult to reach requirement of explosion proof, and this has limited undoubtedly it and must use in the hazardous area such as inflammable and explosive concerning being applied to on-the-spot metal-tube rotameter; Although capacitive angular sensor form detection system comparatively speaking simple in structure, adjust relatively convenient, and also can make intrinsic safety type or flame-proof type explosion-proof structure, the scope of application of its flowmeter is expanded to some extent, but above-mentioned two kinds of displacement transducers will obtain the displacement signal corresponding with flow, all need corresponding non-linear correction and complicated physical construction to realize, this can cause converter transmission link many, complex structure, there is friction force, return difference is increased, thereby reduced the measuring accuracy of metallic rotameter.
National standard according to existing: JB/T6844-1993, metallic rotameter, require measuring media pressure stability, and keep stable flow velocity, and in modern industrialization production run, measured fluid media (medium) does not often reach the requirement in relative theory, the especially pressure of measuring media, flow velocity is all unstable, and measure need relative accurately.
Utility model content
In view of the above-mentioned problems in the prior art, the purpose of this utility model is to address the deficiencies of the prior art, and a kind of metallic rotameter of the built-in spring assembly of measuring tube that can improve measuring accuracy is provided.
The utility model provides the metallic rotameter of the built-in spring assembly of a kind of measuring tube, comprise measuring system and displacement sensing apparatus, described measuring system comprises measuring tube and is arranged in the magnetic float of measuring tube, described displacement sensing apparatus comprises indicating hand component, index dial and converter, also comprise spring assembly, described spring assembly is arranged in measuring tube, is connected with described magnetic float.
The utlity model has following advantage and beneficial effect: in the canalis spinalis of the metallic rotameter of the built-in spring assembly of measuring tube of the present embodiment, be provided with spring assembly, described spring assembly is symmetricly set on the both sides of the described magnetic float in described measuring tube, described spring assembly can impel magnetic float stable, and then can alleviate and remove the pressure variation through flowmeter canalis spinalis part medium, make its pressure level-off, thereby it because changing the change in flow causing, pressure is tended towards stability, thereby improve the measuring accuracy of the metallic rotameter of the built-in spring assembly of this measuring tube.
Accompanying drawing explanation
Fig. 1 is the structural representation of the metallic rotameter of the built-in spring assembly of measuring tube of the present embodiment.
Embodiment
With specific embodiment, the utility model is further described below with reference to accompanying drawings.
As shown in Figure 1: the metallic rotameter of the built-in spring assembly of a kind of measuring tube of the utility model embodiment, comprise measuring system and displacement sensing apparatus, described measuring system comprises measuring tube 1 and is arranged in the magnetic float 2 of measuring tube, described displacement sensing apparatus comprises indicating hand component, index dial and converter, the metallic rotameter of the built-in spring assembly of described measuring tube also comprises spring assembly 3, described spring assembly 3 is arranged in described measuring tube 1, be connected with described magnetic float 2, described spring assembly 3 can impel the pressure level-off of the medium of stable and then measuring tube 1 inside that can make to flow through of magnetic float 2.
As the preferred implementation of above-described embodiment, one end of described spring assembly 3 is connected with described measuring tube 1 inwall, the other end is connected with described magnetic float 2, described spring assembly 3 can produce institute's reacting force to the medium of flowing through on measuring tube 1 contained spring device 3 according to the deformation coefficient of self and can impel magnetic float 2 stable, and then can alleviate or remove measuring tube 1 inside of flowing through medium pressure change, make its pressure level-off, thereby it because changing the change in flow causing, pressure is tended towards stability, thereby improve the measuring accuracy of the metallic rotameter of the built-in spring assembly of this measuring tube.
As the preferred implementation of above-described embodiment, the quantity of described spring assembly 3 is more than 2 or 2, and be symmetricly set on the two ends of the described magnetic float 2 in described measuring tube 1, can impel magnetic float to stablize and then effectively alleviate or remove the pressure variation of measuring tube 1 interior media of flowing through, make its pressure level-off.
As the preferred implementation of above-described embodiment, described indicating hand component comprises rotation axis 5, inductive magnetic steel 4 and pointer 902, described inductive magnetic steel 4 is installed in one end of rotation axis 5 and near described magnetic float 2, described pointer 902 is installed in the other end of described rotation axis 5.
As the preferred implementation of above-described embodiment, the magnetic direction of described inductive magnetic steel 4 is contrary with the magnetic direction of described magnetic float 2.
As the preferred implementation of above-described embodiment, described converter comprises angular displacement magnet steel 8, linear angles displacement transducer 6, surface-mounted integrated circuit 7 and liquid crystal display 9, described angular displacement magnet steel 8 is fixed on described rotation axis 5, described linear angular displacement sensor 6 is installed in close described angular displacement magnet steel 8 on described surface-mounted integrated circuit 7, between described surface-mounted integrated circuit 7 and liquid crystal display 9, connects by data line.
As the preferred implementation of above-described embodiment, described index dial 901 is arranged on described liquid crystal display 9 inside, plays the effect of protection index dial 901, thereby makes measuring accuracy root accurate.
As the preferred implementation of above-described embodiment, described angular displacement magnet steel 8 is square angular displacement magnet steel.
As the preferred implementation of above-described embodiment, described pointer 902 is installed in the inside of described liquid crystal display 9.
Finally it should be noted that: above-described each embodiment, only for the technical solution of the utility model is described, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record previous embodiment is modified, or to wherein partly or entirely technical characterictic be equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of the each embodiment technical scheme of the utility model.
Claims (9)
1. the metallic rotameter of the built-in spring assembly of measuring tube, comprise measuring system and displacement sensing apparatus, described measuring system comprises measuring tube and is arranged in the magnetic float of measuring tube, described displacement sensing apparatus comprises indicating hand component, index dial and converter, it is characterized in that: also comprise spring assembly, described spring assembly is arranged in described measuring tube, is connected with described magnetic float.
2. the metallic rotameter of the built-in spring assembly of measuring tube according to claim 1, is characterized in that, one end of described spring assembly is connected with described measuring tube inwall, and the other end is connected with described magnetic float.
3. the metallic rotameter of the built-in spring assembly of measuring tube according to claim 2, is characterized in that, the quantity of described spring assembly is more than 2 or 2, and is symmetricly set on the two ends of the described magnetic float in described measuring tube.
4. the metallic rotameter of the built-in spring assembly of measuring tube according to claim 1, it is characterized in that, described indicating hand component comprises rotation axis, inductive magnetic steel and pointer, described inductive magnetic steel is installed in one end of rotation axis and near described magnetic float, described pointer is installed in the other end of described rotation axis.
5. the metallic rotameter of the built-in spring assembly of measuring tube according to claim 4, is characterized in that, the magnetic direction of described inductive magnetic steel is contrary with the magnetic direction of described magnetic float.
6. the metallic rotameter of the built-in spring assembly of measuring tube according to claim 4, it is characterized in that, described converter comprises angular displacement magnet steel, linear angles displacement transducer, surface-mounted integrated circuit and liquid crystal display, described angular displacement magnet steel is fixed on described rotation axis, described linear angles displacement transducer is installed in close described angular displacement magnet steel on described surface-mounted integrated circuit, between described surface-mounted integrated circuit and liquid crystal display, connects by data line.
7. the metallic rotameter of the built-in spring assembly of measuring tube according to claim 6, is characterized in that, described index dial is arranged on described liquid crystal display inside.
8. the metallic rotameter of the built-in spring assembly of measuring tube according to claim 6, is characterized in that, described angular displacement magnet steel is square angular displacement magnet steel.
9. the metallic rotameter of the built-in spring assembly of measuring tube according to claim 7, is characterized in that, described pointer is installed in the inside of described liquid crystal display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320617824.4U CN203629620U (en) | 2013-09-30 | 2013-09-30 | Metallic rotor flowmeter of inlaid spring device of measuring pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320617824.4U CN203629620U (en) | 2013-09-30 | 2013-09-30 | Metallic rotor flowmeter of inlaid spring device of measuring pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203629620U true CN203629620U (en) | 2014-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320617824.4U Expired - Fee Related CN203629620U (en) | 2013-09-30 | 2013-09-30 | Metallic rotor flowmeter of inlaid spring device of measuring pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203629620U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105136213A (en) * | 2015-07-29 | 2015-12-09 | 赵新时 | Momentum type flow meter based on fluid thrust |
| CN108548577A (en) * | 2018-05-03 | 2018-09-18 | 承德热河克罗尼仪表有限公司 | A kind of nuclear power metal pipe float flow meter |
-
2013
- 2013-09-30 CN CN201320617824.4U patent/CN203629620U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105136213A (en) * | 2015-07-29 | 2015-12-09 | 赵新时 | Momentum type flow meter based on fluid thrust |
| CN108548577A (en) * | 2018-05-03 | 2018-09-18 | 承德热河克罗尼仪表有限公司 | A kind of nuclear power metal pipe float flow meter |
| CN108548577B (en) * | 2018-05-03 | 2024-04-12 | 承德热河克罗尼仪表有限公司 | Metal tube float flowmeter for nuclear power |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20190930 |