CN202583120U - Water and gas phase volume fraction detection device based on helical inductive transducer - Google Patents
Water and gas phase volume fraction detection device based on helical inductive transducer Download PDFInfo
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- CN202583120U CN202583120U CN 201220248969 CN201220248969U CN202583120U CN 202583120 U CN202583120 U CN 202583120U CN 201220248969 CN201220248969 CN 201220248969 CN 201220248969 U CN201220248969 U CN 201220248969U CN 202583120 U CN202583120 U CN 202583120U
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Abstract
The utility model discloses a water and gas phase volume fraction detection device based on a helical inductive transducer. The water and gas phase volume fraction detection device comprises the inductive transducer, an excitation circuit, a detection circuit, an inductive measurer and a data processing device, wherein the inductive transducer comprises an excitation coil and a detection coil which are helically wound on the outer wall of an external pipeline; the excitation circuit is connected with the excitation coil through a circuit and is used for exciting the excitation coil; the detection coil is connected with the detection coil through a circuit and is used for detecting the detection coil; the inductive measurer is connected with the detection circuit and is used for measuring a mutual induction value between the detection coil and the excitation coil; and the data processing device is connected with the inductive measurer through a data wire. By the water and gas phase volume fraction detection device, a detector is truly not contacted with the inner part of the pipe and does not invade into the pipeline, so that the pipeline cannot be damaged, and the flow type of a water phase and the flow type of a gas phase cannot be changed; and the phase volume fraction of the gas phase and the liquid phase in the pipeline can be conveniently, quickly and accurately measured.
Description
Technical field
The utility model relates to a kind of aqueous vapor phase content sniffer, particularly a kind of aqueous vapor phase content sniffer based on the spiral inductance sensor.
Background technology
Modernization industry produce and daily life in, biphase gas and liquid flow has appearred in growing field, like the conveying of oil gas field, soda production, the gasification unit of thermoelectric nuclear power, the transportation of low-boiling point liquid etc.And two-phase flow at first will solve is exactly the flow detection problem of gas-liquid two-phase, but because complicacy, the randomness of two-phase flow fluid, and its flow detection is still among further research.
In existing method of testing; Two kinds of partition method and direct methods are arranged: partition method need be separated gas-liquid two-phase, and then measures with single-phase flow instrument respectively, therefore gas phase and liquid phase flow instrument need be set respectively; Both increase cost, reduced efficient again; Direct method adopts Venturi tube method or sonde method mostly.Wherein, direct method wastes time and energy, and it is huge to consume energy, and more can not realize directly detecting in real time; And direct method can change pipeline configuration, even invades pipe interior, changes flow pattern; The installation of Venturi tube and probe is all comparatively complicated in addition, and inconvenience is implemented.
The utility model content
The purpose of the utility model provides a kind of aqueous vapor phase content sniffer based on the spiral inductance sensor; Can accomplish that detection instrument and pipe interior are really contactless; Do not invade pipe interior, not only can not damage pipeline, and can not change the flow pattern of aqueous vapor phase; Can measure the phase content of biphase gas and liquid flow in the pipeline easily and fast, exactly.
In order to realize above purpose, the utility model is realized through following technical scheme:
A kind of aqueous vapor phase content sniffer based on the spiral inductance sensor comprises:
Inductance sensor, described inductance sensor comprises drive coil and magnetic test coil, and described drive coil and magnetic test coil are spirally wound on the outside pipeline outer wall;
Exciting circuit, described exciting circuit links to each other with drive coil through circuit, and this exciting circuit encourages drive coil;
Testing circuit, described testing circuit links to each other with magnetic test coil through circuit, and this testing circuit detects magnetic test coil;
Inductance measuring meter, described inductance measuring meter links to each other with testing circuit, measures the mutual inductance value between magnetic test coil and the drive coil;
Data processing equipment, described data processing equipment links to each other with inductance measuring meter through data line.
Described drive coil and magnetic test coil do not intersect mutually.
The coiling mode of described drive coil and magnetic test coil is all identical with coiling density.
The scope of the number of turns of described drive coil is 3 ~ 200 circles.
The diameter range of the coiling of described drive coil is 0.1mm ~ 10mm.
The diameter range of the diameter range of the coiling of described magnetic test coil and the scope of number of turns and the coiling of drive coil and the scope of number of turns are identical.
Described data processing equipment is a host computer.
The utility model compared with prior art has the following advantages:
1, can accomplish that detection instrument and pipe interior are really contactless, not invade pipe interior, not only can not damage pipeline, and can not change the flow pattern of aqueous vapor phase, detection data accurately and reliably;
2, can measure the phase content of biphase gas and liquid flow in the pipeline easily and fast, exactly.
Description of drawings
Fig. 1 is the structural representation of a kind of aqueous vapor phase content sniffer based on the spiral inductance sensor of the utility model;
Fig. 2 is the structural representation of the inductance sensor of a kind of aqueous vapor phase content sniffer based on the spiral inductance sensor of the utility model.
Embodiment
Below in conjunction with accompanying drawing,, the utility model is done further elaboration through specifying a preferable specific embodiment.
As shown in Figure 1, a kind of aqueous vapor phase content sniffer based on the spiral inductance sensor comprises: inductance sensor 2, exciting circuit 1, testing circuit 3, inductance measuring meter 4, data processing equipment 5.
Wherein, As shown in Figure 2, inductance sensor 2 comprises drive coil 21 and magnetic test coil 22, and drive coil 21 is spirally wound on outside pipeline 6 outer walls with magnetic test coil 22; Drive coil 21 does not intersect with magnetic test coil 22 mutually, and their coiling mode is all identical with coiling density.In the present embodiment; The scope of the number of turns of drive coil 21 and magnetic test coil 22 is respectively 3 ~ 200 circles; The diameter range of the coiling of drive coil 21 and magnetic test coil 22 is 0.1mm ~ 10mm, and the diameter range of the diameter range of the drive coil 21 and the coiling of magnetic test coil 22 and the scope of number of turns and the coiling of drive coil 21 and the scope of number of turns are identical.
As shown in Figure 1, exciting circuit 1 links to each other with drive coil 21 through circuit, and 1 pair of drive coil 21 of this exciting circuit encourages, and makes drive coil 21 produce the high frequency sinusoidal excitation signal that can penetrate outside pipeline 6 inside; Testing circuit 3 links to each other with magnetic test coil 22 through circuit, and 3 pairs of magnetic test coils 22 of this testing circuit detect, and can obtain the induced voltage on the magnetic test coil 22; Inductance measuring meter 4 links to each other with testing circuit 3, thereby measures the mutual inductance value between magnetic test coil 22 and the drive coil 21; Data processing equipment 5 links to each other with inductance measuring meter 4 through data line.In the present embodiment; Inductance measuring meter 4 is selected electric impedance analyzer for use; Like model is the electric impedance analyzer of Agilent 4284, and data processing equipment 5 is a host computer, through data line; The mutual inductance value that this host computer records inductance measuring meter 4 through data line imports host computer and analyzes, thereby extrapolates the phase content of the biphase gas and liquid flow in the external pipe 6.
Therefore, sniffer has no with pipeline 6 inside and contacts, owing to need not invade pipe interior, thereby not only can not damage pipeline, and and can not change the flow pattern of aqueous vapor phase, make detection data accurately and reliably.
When measuring; At first; When water in the pipeline 6 of outside is zero, apply pumping signal through exciting circuit 1 to the drive coil 21 of inductance sensor 2, again through the gas phase mutual inductance value on the magnetic test coil 22 of testing circuit 3 and inductance measuring meter 4 inductance measuring sensors 2; When pipeline 6 entirely for water is gas phase when being zero, use with the identical method of measurement of gas phase mutual inductance value and record the water mutual inductance value on the magnetic test coil 22; In the present embodiment, gas phase mutual inductance value is set at L0, and water mutual inductance value is set at L1; Measured gas phase mutual inductance value and water mutual inductance value are imported data processing equipment 5 through data line, and these data processing equipment 5 storage gas phase mutual inductance values and water mutual inductance value are as the mutual inductance calibration value.
When passing through detected fluid in the pipeline 6 of outside, apply pumping signal through exciting circuit 1, through the real-time mutual inductance value of testing circuit 3 with inductance measuring meter 4 measurement magnetic test coils 22, in the present embodiment, the mutual inductance value is set at L in real time; Again measured real-time mutual inductance value is imported data processing equipment 5 through data line.
In sum, a kind of aqueous vapor phase content sniffer based on the spiral inductance sensor of the utility model can accomplish that detection instrument and pipe interior are really contactless; Do not invade pipe interior; Not only can not damage pipeline, and can not change the flow pattern of aqueous vapor phase, detection data accurately and reliably; Can measure the phase content of biphase gas and liquid flow in the pipeline easily and fast, exactly.
Although the content of the utility model has been done detailed introduction through above-mentioned preferred embodiment, will be appreciated that above-mentioned description should not be considered to the restriction to the utility model.After those skilled in the art have read foregoing, for the multiple modification of the utility model with to substitute all will be conspicuous.Therefore, the protection domain of the utility model should be limited appended claim.
Claims (7)
1. the aqueous vapor phase content sniffer based on the spiral inductance sensor is characterized in that, comprises:
Inductance sensor (2), described inductance sensor (2) comprise drive coil (21) and magnetic test coil (22), and described drive coil (21) and magnetic test coil (22) are spirally wound on outside pipeline (6) outer wall;
Exciting circuit (1), described exciting circuit (1) links to each other with drive coil (21) through circuit, and this exciting circuit (1) encourages drive coil (21);
Testing circuit (3), described testing circuit (3) links to each other with magnetic test coil (22) through circuit, and this testing circuit (3) detects magnetic test coil (22);
Inductance measuring meter (4), described inductance measuring meter (4) links to each other with testing circuit (3), measures the mutual inductance value between magnetic test coil (22) and the drive coil (21);
Data processing equipment (5), described data processing equipment (5) links to each other with inductance measuring meter (4) through data line.
2. the aqueous vapor phase content sniffer based on the spiral inductance sensor according to claim 1 is characterized in that described drive coil (21) and magnetic test coil (22) do not intersect mutually.
3. the aqueous vapor phase content sniffer based on the spiral inductance sensor according to claim 2 is characterized in that, the coiling mode of described drive coil (21) and magnetic test coil (22) is all identical with coiling density.
4. the aqueous vapor phase content sniffer based on the spiral inductance sensor according to claim 3 is characterized in that the scope of the number of turns of described drive coil (21) is 3 ~ 200 circles.
5. the aqueous vapor phase content sniffer based on the spiral inductance sensor according to claim 4 is characterized in that the diameter range of the coiling of described drive coil (21) is 0.1mm ~ 10mm.
6. the aqueous vapor phase content sniffer based on the spiral inductance sensor according to claim 5; It is characterized in that the diameter range of the diameter range of the coiling of described magnetic test coil (22) and the scope of number of turns and the coiling of drive coil (21) and the scope of number of turns are identical.
7. the aqueous vapor phase content sniffer based on the spiral inductance sensor according to claim 1 is characterized in that described data processing equipment (5) is a host computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220248969 CN202583120U (en) | 2012-05-30 | 2012-05-30 | Water and gas phase volume fraction detection device based on helical inductive transducer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220248969 CN202583120U (en) | 2012-05-30 | 2012-05-30 | Water and gas phase volume fraction detection device based on helical inductive transducer |
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| CN202583120U true CN202583120U (en) | 2012-12-05 |
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| CN 201220248969 Expired - Fee Related CN202583120U (en) | 2012-05-30 | 2012-05-30 | Water and gas phase volume fraction detection device based on helical inductive transducer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661994A (en) * | 2012-05-30 | 2012-09-12 | 上海海事大学 | Water-gas phase volume fraction detection device based on spiral inductance sensor and detection method thereof |
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2012
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661994A (en) * | 2012-05-30 | 2012-09-12 | 上海海事大学 | Water-gas phase volume fraction detection device based on spiral inductance sensor and detection method thereof |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20130530 |