CN203285419U - Lever-type flow meter - Google Patents
Lever-type flow meter Download PDFInfo
- Publication number
- CN203285419U CN203285419U CN2013201998001U CN201320199800U CN203285419U CN 203285419 U CN203285419 U CN 203285419U CN 2013201998001 U CN2013201998001 U CN 2013201998001U CN 201320199800 U CN201320199800 U CN 201320199800U CN 203285419 U CN203285419 U CN 203285419U
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- Prior art keywords
- lever
- flow meter
- axial
- eddy current
- hole
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Abstract
The utility model discloses a lever-type flow meter which comprises a shell body, a lever, a sampling device and a probe base, wherein the shell body is provided with an axial through hole, a stair portion is arranged inside the axial through hole, a plurality of liquid outlet through holes are formed in the shell body, the liquid outlet through holes are communicated with the axial through hole, the lever is arranged inside the axial through hole in the shell body in a penetrating mode and arranged on the stair portion in a seated mode, the lever is provided with an axial penetrating hole, a shifting lever is arranged inside the axial penetrating hole in a penetrating mode, the upper end of the shifting lever is connected with the lever, the lower end of the shifting lever penetrates out of the lever and is connected with an eddy current target piece, the sampling device is connected to the upper end of the lever and provided with a sampling slope, the probe base is connected to the lower end of the lever and provided with an electronic cabin, the eddy current target piece is located inside the electronic cabin, an eddy current probe is arranged inside the electronic cabin, and the eddy current probe is opposite to the eddy current target piece. The lever-type flow meter is compact in structure, convenient to install, strong in anti-jamming capacity and capable of achieving precision measurement of the down-hole flow under the high-pressure environment.
Description
Technical field
The utility model is relevant for a kind of flow meter, especially relevant for the lever flow meter of injection flow under measuring well in a kind of oil field well water injection technology field.
Background technology
At present, there are a lot of devices of measuring fluid flow in prior art, such as vortex-shedding meter, differential pressure flowmeter, electromagnetic flowmeter and temperature flow meter etc.Wherein, vortex-shedding meter is to realize the measurement of flow by measuring the fluid process or clashing into the vibration frequency that produces; Differential pressure flowmeter is to obtain fluid flow by measuring when fluid passes through throttling arrangement the pressure reduction that produces; Electromagnetic flowmeter is to draw fluid flow according to the law of electromagnetic induction by the induced electromotive force of measuring conductor flow and producing during cutting magnetic induction line in magnetic field; The temperature flow meter is to draw fluid flow by the variation of measuring fluid temperature (F.T.).
Above-mentioned existing each flow meter and corresponding flow rate test method thereof have its different applicable elements and scope of application, and some flow meters are not suitable for applying under hyperbaric environment, and some flow meter volumes are excessive, and can not install in down-hole.
Therefore, be necessary to provide a kind of can measuring well under the flow meter of injection flow, overcome above-mentioned defect.
The utility model content
The purpose of this utility model is to provide a kind of lever flow meter, and this lever flowmeter structure is compact, and easy for installation, antijamming capability is strong, can realize the accurate measurement of downhole flow under hyperbaric environment.
Above-mentioned purpose of the present utility model can adopt following technical proposal to realize:
The utility model provides a kind of lever flow meter, and described lever flow meter comprises:
Housing, it has axially extending bore, is provided with stage portion in described axially extending bore, offers a plurality of fluid through-holes that go out on described housing, describedly goes out fluid through-hole and is connected with described axially extending bore;
Lever, its interior also seat of axially extending bore that is located in described housing is located on described stage portion, and described lever has axial through bore, is equipped with transfer levers in described axial through bore, the upper end of described transfer levers is connected with described lever, and its lower end passes described lever and is connected with current vortex target sheet;
Sampler, it is connected to the upper end of described lever, and described sampler has the sampling inclined-plane;
Probe base, it is connected to the lower end of described lever, and described probe base has electronic compartment, and described current vortex target sheet is positioned at described electronic compartment, is provided with eddy current probe in described electronic compartment, and described eddy current probe is relative with described current vortex target sheet.
In a preferred embodiment, described sampling inclined-plane is relative with the upper end of described axially extending bore.
In a preferred embodiment, the angle between described sampling inclined-plane and described housing axis is 10 °～80 °.
In a preferred embodiment, the lower end of described sampler offers blind hole, and the upper end of described lever is arranged in described blind hole.
In a preferred embodiment, the axial through bore of described lever comprises the first perforation and the second perforation that is connected, described the first perforation is positioned at described biperforate upper end, the diameter of described the first perforation is less than described biperforate diameter, and the upper end of described transfer levers wears and is connected in described the first perforation.
In a preferred embodiment, described probe base is connected by screw the lower end at described lever.
In a preferred embodiment, described eddy current probe is connected on described probe base by clamp nut.
In a preferred embodiment, be provided with sealing ring between described lever and described housing.
In a preferred embodiment, be provided with sealing ring between described lever and described sampler.
Characteristics and the advantage of lever flow meter of the present utility model are: this lever flowmeter structure is compact, and is easy for installation, and its axial dimension along tubing string is installed, and takies radial dimension little, and applicable to the measurement of fluid flow in small casing pipe well, the scope of application is larger; This lever flow meter antijamming capability is strong, and voltage endurance capability is strong, and it can realize the measurement of downhole flow under hyperbaric environment, and meets preferably the testing requirement of downhole fluid flow.In addition, be located in transfer levers in lever except transmitting sampler along housing deflection effect radially, also play the effect of amplifying deflection, it is relevant that its multiplication factor and transfer levers are arranged in the length of the overhanging portion that lever second bores a hole, length is longer, and its multiplication factor is higher.The signal that current vortex target sheet receives is the signal after transfer levers is amplified, and therefore lever flow meter of the present utility model can accurately be measured the flow of fluid.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, in below describing embodiment, the accompanying drawing of required use is briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is that the master of lever flow meter of the present utility model looks sectional view.
Fig. 2 is the side view cutaway drawing of lever flow meter of the present utility model.
The specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making under the creative work prerequisite the every other embodiment that obtains, and all belong to the scope of the utility model protection.
As shown in Figure 1, 2, the utility model provides a kind of lever flow meter, and it comprises housing 1, lever 2, sampler 3 and probe base 4.Wherein: housing 1 has axially extending bore 11, is provided with stage portion 12 in described axially extending bore 11, offers a plurality of fluid through-holes 13 that go out on described housing 1, describedly goes out fluid through-hole 13 and is connected with described axially extending bore 11; The interior also seat of axially extending bore 11 that lever 2 is located in described housing 1 is located on described stage portion 12, described lever 2 has axial through bore 21, be equipped with transfer levers 5 in described axial through bore 21, the upper end 51 of described transfer levers 5 is connected with described lever 2, and its lower end 52 passes described lever 2 and is connected with current vortex target sheet 6; Sampler 3 is connected to the upper end of described lever 2, and described sampler 3 has sampling inclined-plane 31; Probe base 4 is connected to the lower end of described lever 2, and described probe base 4 has electronic compartment 41, and described current vortex target sheet 6 is positioned at described electronic compartment 41, is provided with eddy current probe 7 in described electronic compartment 41, and described eddy current probe 7 is relative with described current vortex target sheet 6.
Specifically, housing 1 is cylindrical substantially, its middle part offers the axially extending bore 11 of axial perforation, stage portion 12 is arranged on the lower end of axially extending bore 11, a plurality ofly go out fluid through-hole 13 and be opened on housing 1 sidewall that is positioned at stage portion 12 tops, it makes the axially extending bore 11 of housing 1 and the outside of housing 1 form connected state as the outlet of fluid.
Sampler 3 is cylindrical substantially, and its upper end is formed with sampling inclined-plane 31, and this sampling inclined-plane 31 is relative with the upper end of housing 1 axially extending bore 11, to receive the liquid that flows into from housing 1 axially extending bore 11 upper ends; The lower end of sampler 3 offers blind hole 32, and the upper end of lever 2 is arranged in this blind hole 32, thereby sampler 3 is connected on lever 2; In the utility model, the angle between sampling inclined-plane 31 and housing 1 axis is 10o～80o, and the angle between sampling inclined-plane 31 and housing 1 axis can be selected to adjust according to actual needs, in order to adapt to different measurement demands.
the course of work of this lever flow meter is as follows: at first, fluid enters in axially extending bore 11 from the upper end of housing 1, the sampling inclined-plane 31 of percussion sampler 3, at this moment, the sampling inclined-plane 31 of sampler 3 is subject to from the effect of flow axis to surge, and produce a radial component, this radial component makes sampler 3 be offset along the direction perpendicular to housing 1 axis, be also that sampler 3 is mobile along the radial direction generation skew of housing 1, sampler 3 drives the upper end of lever 2, radial deflection occurs in the upper end of transfer levers 5, the deflection that this skew produces is passed on the current vortex target sheet 6 that is connected to transfer levers 5 lower ends 52 by transfer levers 5, the signal that current vortex target sheet 6 produces is detected and is received by eddy current probe 7, pass through external processing apparatus, thereby the signal of processing eddy current probe 7 receptions can accurately be measured the flow of fluid.
Lever flow meter of the present utility model, compact conformation, easy for installation, its axial dimension along tubing string is installed, and takies radial dimension little, and applicable to the measurement of fluid flow in small casing pipe well, the scope of application is larger; This lever flow meter antijamming capability is strong, and voltage endurance capability is strong, and it can realize the measurement of downhole flow under hyperbaric environment, and meets preferably the testing requirement of downhole fluid flow.In addition, be located in transfer levers 5 in lever 2 except transmitting sampler 3 along housing 1 deflection effect radially, also play the effect of amplifying deflection, it is relevant that its multiplication factor and transfer levers 5 are arranged in the bore a hole length of 212 overhanging portion of lever 2 second, length is longer, and its multiplication factor is higher.The signal that current vortex target sheet 6 receives is the signal after transfer levers 5 is amplified, and therefore lever flow meter of the present utility model can accurately be measured the flow of fluid.
, according to an embodiment of the present utility model, be provided with sealing ring 8 between described lever 2 and described housing 1; Further, be provided with sealing ring 9 between described lever 2 and described sampler 3.Sealing ring 8 and sealing ring 9 are used for the lower end of sealing lever 2 and the gap between housing 1, and the gap between the upper end of lever 2 and sampler 3 blind holes 32, prevent that the situation of fluid seepage from occurring.
The foregoing is only several embodiment of the present utility model, those skilled in the art can carry out various changes or modification and not break away from spirit and scope of the present utility model the utility model embodiment according to the disclosed content of application documents.
Claims (9)
1. a lever flow meter, is characterized in that, described lever flow meter comprises:
Housing, it has axially extending bore, is provided with stage portion in described axially extending bore, offers a plurality of fluid through-holes that go out on described housing, describedly goes out fluid through-hole and is connected with described axially extending bore;
Lever, its interior also seat of axially extending bore that is located in described housing is located on described stage portion, and described lever has axial through bore, is equipped with transfer levers in described axial through bore, the upper end of described transfer levers is connected with described lever, and its lower end passes described lever and is connected with current vortex target sheet;
Sampler, it is connected to the upper end of described lever, and described sampler has the sampling inclined-plane;
Probe base, it is connected to the lower end of described lever, and described probe base has electronic compartment, and described current vortex target sheet is positioned at described electronic compartment, is provided with eddy current probe in described electronic compartment, and described eddy current probe is relative with described current vortex target sheet.
2. lever flow meter as claimed in claim 1, is characterized in that, described sampling inclined-plane is relative with the upper end of described axially extending bore.
3. lever flow meter as claimed in claim 1, is characterized in that, the angle between described sampling inclined-plane and described housing axis is 10 °～80 °.
4. lever flow meter as claimed in claim 1, is characterized in that, the lower end of described sampler offers blind hole, and the upper end of described lever is arranged in described blind hole.
5. lever flow meter as claimed in claim 1, it is characterized in that, the axial through bore of described lever comprises the first perforation and the second perforation that is connected, described the first perforation is positioned at described biperforate upper end, the diameter of described the first perforation is less than described biperforate diameter, and the upper end of described transfer levers wears and is connected in described the first perforation.
6. lever flow meter as claimed in claim 1, is characterized in that, described probe base is connected by screw the lower end at described lever.
7. lever flow meter as claimed in claim 1, is characterized in that, described eddy current probe is connected on described probe base by clamp nut.
8. lever flow meter as claimed in claim 1, is characterized in that, is provided with sealing ring between described lever and described housing.
9. lever flow meter as claimed in claim 4, is characterized in that, is provided with sealing ring between described lever and described sampler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201998001U CN203285419U (en) | 2013-04-19 | 2013-04-19 | Lever-type flow meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201998001U CN203285419U (en) | 2013-04-19 | 2013-04-19 | Lever-type flow meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203285419U true CN203285419U (en) | 2013-11-13 |
Family
ID=49541788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013201998001U Expired - Fee Related CN203285419U (en) | 2013-04-19 | 2013-04-19 | Lever-type flow meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203285419U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103244099A (en) * | 2013-04-19 | 2013-08-14 | 中国石油天然气股份有限公司 | Lever flowmeter |
-
2013
- 2013-04-19 CN CN2013201998001U patent/CN203285419U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103244099A (en) * | 2013-04-19 | 2013-08-14 | 中国石油天然气股份有限公司 | Lever flowmeter |
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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 |
Granted publication date: 20131113 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |