CN101936757A - Flowmeter - Google Patents
Flowmeter Download PDFInfo
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- CN101936757A CN101936757A CN 201010258823 CN201010258823A CN101936757A CN 101936757 A CN101936757 A CN 101936757A CN 201010258823 CN201010258823 CN 201010258823 CN 201010258823 A CN201010258823 A CN 201010258823A CN 101936757 A CN101936757 A CN 101936757A
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Abstract
The invention relates to a flowmeter which comprises a reversing valve, a cylinder body and a pipeline set, wherein the reversing valve is communicated with the cylinder body through the pipeline set. The flowmeter has the advantages of accurate measurement, controllable process and convenient use.
Description
Technical field
The invention belongs to metering field, relate to a kind of flow instrument, relate in particular to a kind of flowmeter.
Background technology
Flow instrument is one of big class instrument in process automation instrument and the device; it is widely used in national economy every field such as metallurgy, electric power, coal, chemical industry, oil, traffic, building, light textile, food, medicine, agricultural, environmental protection and people's daily life; it is the development industrial and agricultural production; energy savings; improve production quality, increase economic efficiency and the important tool of management level occupies an important position in national economy.
Flowmeter is in order to measure the instrument of fluid flow (fluid volume that passes through in the unit interval) in the pipeline, though flowmeter develops into today and reaches its maturity, of a great variety, its complex structure, bulky, measuring error is big, can not realize accurate control, and in use be easy to generate noise or vibration, and greatly reduce the serviceable life of flowmeter, in the use of flowmeter, significant limitation is arranged.
Summary of the invention
In order to solve the above-mentioned technical matters that exists in the background technology, the invention provides a kind of measure accurate, process flowmeter controlled and easy to use.
Technical solution of the present invention is: the present invention is a kind of flowmeter, and its special character is: described flowmeter comprises reversal valve, cylinder body and pipeline group; Described reversal valve connects by pipeline group and cylinder body.
Above-mentioned reversal valve comprises valve body, be arranged on inlet on the valve body and liquid outlet, parallel first through hole and second through hole and the spool unit that is arranged in the valve body that connect; Described spool unit is arranged between inlet, second through hole, first through hole and the liquid outlet; Described liquid outlet is interconnected by the spool unit and first through hole; Described second through hole is communicated with inlet by the spool unit; The described first through hole two ends and the second through hole two ends connect by pipeline group and cylinder body respectively, the twisting unit that described spool unit comprises reversing valve core and is used for reversing valve core is twisted.
Above-mentioned reversing valve core is hourglass shape, described reversing valve core is communicated with inlet and liquid outlet respectively at two ends up and down, described reversing valve core the first half one side is provided with the upper shed that is communicated with second through hole, and the relative side of described reversing valve core the latter half is provided with the under shed that is communicated with first through hole.
Above-mentioned reversing valve core comprises overhead gage and the lower baffle plate that links to each other with fooled plate; Described overhead gage retaining is connected to a side of second through hole and the connected entrance of inlet; Described lower baffle plate retaining is connected to the opposite side of first through hole and the connected entrance of liquid outlet.
Above-mentioned twisting unit is electromagnetism twisting unit, and described electromagnetism twisting unit comprises permanent magnet and electromagnetic wire bag; Described permanent magnet links to each other with reversing valve core by spline mechanism; Described electromagnetic wire bag is around being arranged at the permanent magnet outside.
Above-mentioned cylinder body comprises body, is arranged at the piston of body interior and is arranged at first import, first outlet of body one end and be arranged at second import and second outlet of the body other end; Described first import, first outlet, second import and second outlet are connected with the first through hole two ends and the second through hole two ends by the pipeline group.
Above-mentioned pipeline group comprises first pipeline, second pipeline, the 3rd pipeline and the 4th pipeline, described second through hole, one end is communicated with first import by first pipeline, the described second through hole other end is communicated with second import by the 3rd pipeline, described first through hole, one end is communicated with first outlet by second pipeline, and the described first through hole other end is communicated with second outlet by the 4th pipeline.
Above-mentioned cylinder body also comprises two position transducers that are arranged at the body two ends respectively.
Above-mentioned cylinder body also comprises around the cylinder body electromagnetic wire bag that is arranged on the body; Described piston is the permanent magnet piston,
Above-mentioned cylinder body also comprises the LOAD CELLS that is arranged on the body, and described LOAD CELLS is arranged at the body bottom.
Advantage of the present invention is:
1, measures accurately.Flowmeter provided by the present invention is changed traditional single tube flowmeter or two-tube flowmeter structure, adopt reversal valve and electromagnetism cylinder body close fit, because the internal volume of electromagnetism constant voltage cylinder body is fixed, after liquid injects reversal valve, directly inject electromagnetism constant voltage cylinder interior via exterior line, after electromagnetism constant voltage cylinder body is filled with liquid, enter reversal valve once more via exterior line, finally liquid is discharged by the outlet of reversal valve, add up the number of times of full cylinder body in the electromagnetism constant voltage cylinder body, just can accurately obtain the flow of liquid; If pour into liquid is not full cylinder body, then can utilize cylinder base with LOAD CELLS measure in real time, obtain the accurate weight of institute's perfusion fluid, no matter whether expire cylinder, the present invention can realize accurate measurement to institute's perfusion fluid through unique mode.
2, process is controlled, and is easy to use.Employed valve body reversal valve in the flowmeter provided by the present invention, its inside is provided with permanent magnet and electromagnetic wire bag, after to the present invention's energising, because the effect of electromagnetic wire bag and permanent magnet, permanent magnet directly drives reversing valve core and commutates, make the liquid that injects reversal valve to inject electromagnetism constant voltage cylinder body through outlets different in the reversal valve, simultaneously since electromagnetism constant voltage cylinder body with the effect of position transducer, when piston touches position transducer in electromagnetism constant voltage cylinder body, position transducer also can make reversing valve core commutate, in use can be to injecting how much controlling of liquid in reversal valve and the electromagnetism constant voltage cylinder body, simultaneously very easy to use.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is that the A of Fig. 1 is to view;
Fig. 3 is the structural representation of reversal valve provided by the present invention;
Fig. 4 is the D-D face cut-open view of Fig. 3;
Fig. 5 is the E-E face cut-open view of Fig. 3;
Fig. 6 is the F-F face cut-open view of Fig. 3;
Fig. 7 is an electromagnetism constant voltage housing structure synoptic diagram provided by the present invention;
Wherein:
The 1-reversal valve, the 2-cylinder body, 3-pipeline group, 4-first pipeline, 5-second pipeline, 6-the 3rd pipeline, 7-the 4th pipeline, first outlet of 8-second through hole, second outlet of 9-second through hole, first outlet of 10-first through hole, second outlet of 11-first through hole, the 12-inlet, the 13-liquid outlet, 14-electromagnetic wire bag, the 15-permanent magnet, the 16-reversing valve core, 17-first through hole, 18-second through hole, the 19-groove, the 21-body, 22-cylinder body electromagnetic wire bag, 23-permanent magnet piston, the 24-LOAD CELLS, the 25-position transducer, 26-first import, 27-first outlet, 28-second import, 29-second outlet, the 30-valve body.
Embodiment
Referring to Fig. 1-Fig. 2, the invention provides a kind of flowmeter, this flowmeter comprises reversal valve 1, cylinder body 2 and pipeline group 3; Reversal valve 1 connects by pipeline group 3 and cylinder body 2.
Referring to Fig. 3-Fig. 7, this reversal valve comprises valve body 30, is arranged on inlet 12 and liquid outlet 13, spool unit and parallel first through hole 17 and second through hole 18 that is arranged in the valve body 30 that connect on the valve body 30; The spool unit is arranged between inlet 12, second through hole 18, first through hole 17 and the liquid outlet 13; Liquid outlet 13 is interconnected by the spool unit and first through hole 17; Inlet 12 is interconnected by the spool unit and second through hole 18.
This spool unit comprises reversing valve core 16 and is used for twisting unit with reversing valve core 16 twisting, and this twisting can be that manually to twist unit, electronic twisting unit or other existing any wrench devices all be feasible.
Reversing valve core 16 can be that integral body is hourglass shape or directly is exactly an individual baffle plate, when reversing valve core 16 is hourglass shape, reversing valve core is communicated with inlet 12 and liquid outlet 13 respectively at two ends about in the of 16, reversing valve core 16 the first half one side is provided with the upper shed that is communicated with second through hole 18, the relative side of reversing valve core 16 the latter halfs is provided with the under shed that is communicated with first through hole 17, inlet 12 is connected with second through hole 18 by the upper shed that is arranged on reversing valve core 16 the first half, and liquid outlet 13 is connected mutually by the under shed and first through hole 17 that is arranged on reversing valve core 16 the latter halfs.
When reversing valve core 16 was baffle plate, this moment, reversing valve core 16 comprised overhead gage and the lower baffle plate that links to each other with overhead gage; The overhead gage retaining is connected to first outlet 8 of second through hole, and inlet 12 connects by second outlet 9 of second through hole; The lower baffle plate retaining is connected to second outlet 11 of first through hole, and liquid outlet 13 connects by first outlet 10 of first through hole.
When the twisting unit was electronic twisting, electronic twisting unit was electromagnetism twisting unit, and electromagnetism twisting unit comprises permanent magnet 15 and electromagnetic wire bag 14; Permanent magnet 15 links to each other by spline mechanism with reversing valve core 16; In addition any connected mode is for example welded, is riveted or be connected on the reversing valve core 16 and all is fine, and electromagnetic wire bag 14 is around being arranged at permanent magnet 15 outsides.
As first preferred embodiment, it is baffle arrangements that the utility model is selected reversing valve core 16 for use, and the utility model is when work, and this moment, reversing valve core 16 comprised overhead gage and the lower baffle plate that links to each other with overhead gage; The overhead gage retaining is connected to first outlet 8 of second through hole, and inlet 12 connects by second outlet 9 of second through hole; The lower baffle plate retaining is connected to second outlet 11 of first through hole, and liquid outlet 13 connects by first outlet 10 of first through hole.Electromagnetic wire bag 14 produces attractive force under the function of current, the magneticaction of electromagnetic wire bag 14 is in permanent magnet 15, permanent magnet 15 can rotate freely in groove 19 inside of valve body 30 inside, when permanent magnet 15 rotates, the reversing valve core 16 that links to each other with permanent magnet 15 also rotates thereupon, behind reversing valve core 16 conversion certain angles, the overhead gage retaining is connected to second outlet 9 of second through hole, and inlet 12 connects by first outlet 8 of second through hole; The lower baffle plate retaining is connected to first outlet 10 of first through hole, and liquid outlet 13 connects by second outlet 11 of first through hole.If add under the effect of external pipe, further can realize the whole perforations mutually between valve inner inlet 12, liquid outlet 13, first through hole 17 and second through hole 18, realized the switching conversion of pipeline in the valve, very easy to use.
As second preferred embodiment, it is one-piece constructions of hourglass shape that the utility model is selected reversing valve core 16 for use, at the utility model in when work, this moment, reversing valve core was communicated with inlet 12 and liquid outlet 13 respectively at two ends about in the of 16, reversing valve core 16 the first half one side is provided with the upper shed that is communicated with second through hole 18, the relative side of reversing valve core 16 the latter halfs is provided with the under shed that is communicated with first through hole 17, inlet 12 is communicated with first outlet 8 of second through hole by the upper shed that is arranged on reversing valve core 16 the first half, and liquid outlet 13 is communicated with second outlet 11 of first through hole 7 by the under shed that is arranged on reversing valve core 16 the latter halfs.Electromagnetic wire bag 14 produces attractive force under the function of current, because the magneticaction that is electromagnetic wire bag 14 is in permanent magnet 15, permanent magnet 15 can rotate freely in groove 19 inside of valve body 11 inside, when permanent magnet 15 rotates, the reversing valve core 16 that links to each other with permanent magnet 15 also rotates thereupon, after reversing valve core 16 turns an angle, the upper shed of reversing valve core 16 the first half is communicated with second outlet 9 of second through hole, and the under shed of reversing valve core 16 the latter halfs is communicated with first outlet 10 of first through hole.
The present invention is when work, first import 26, first outlet 27, second import 28 and second outlet 29 that are arranged on the cylinder body 2 connect by the two ends of second through hole 18 on first pipeline 4, second pipeline 5, the 3rd pipeline 6, the 4th pipeline 7 and the reversal valve 1 and the two ends of first through hole 17 respectively, at this moment, reversing valve core 16 has blocked second outlet 11 of first outlet, 8 and first through hole of second through hole, and inlet 12 connects by second outlet, 9 and second through hole 18 of second through hole; Liquid outlet 13 connects by first outlet, 10 and first through hole 17 of first through hole.
Inject the inside of reversal valve 1 through the inlet 12 of reversal valve 1 when the liquid of needs metering, because reversing valve core 16 has blocked first outlet 8 of second through hole, therefore second outlet 9 of liquid by second through hole injected cylinder body 2 inside along first pipeline 4 and first import 26 that is arranged on the cylinder body 2, at this moment, because reversing valve core 16 blocks second outlet 11 of first through hole, inner at cylinder body 2 because the effect of fluid pressure promotion permanent magnet piston 23 carries out straight line to left movement in body 21, the liquid in permanent magnet piston 23 left sides is squeezed from second outlet 29, through the 4th pipeline 7, first outlet 10 and the liquid outlet 13 of first through hole are discharged, when permanent magnet piston 23 moves to the left part of cylinder body 2, touch the position transducer 25 that is arranged on the left part, position transducer 25 is controlled the electromagnetic wire bag 14 of reversal valve 1 immediately or is passed through under the effect of electric current, make the permanent magnet 15 that is arranged at valve body 1 inside because the effect that attracts or repel, groove 19 inner rotation in valve body 1 inside, when permanent magnet 15 rotates, the reversing valve core 16 that links to each other with permanent magnet 15 also rotates thereupon, behind reversing valve core 16 conversion certain angles, reversing valve core 16 blocks second outlet 9 of second through hole, and inlet 12 connects by first outlet 8 of second through hole; Therefore first outlet 8 of liquid by second through hole injected cylinder body 2 inside along the 3rd pipeline 6 and second import 28 that is arranged on the cylinder body 2, at this moment, because reversing valve core 16 blocks first outlet 10 of first through hole, carrying out straight line at cylinder body 2 inner effects promotion permanent magnet pistons 23 owing to fluid pressure in body 21 moves right, the liquid on permanent magnet piston 23 right sides is squeezed from first outlet 27, through second pipeline 5, second outlet 11 and the liquid outlet 13 of first through hole are discharged, when permanent magnet piston 23 moves to the right part of cylinder body 2, touch the position transducer 25 that is arranged on the right part, position transducer 25 is controlled the electromagnetic wire bag 14 of reversal valve 1 immediately or is passed through under the effect of electric current, make the permanent magnet 15 that is arranged at valve body 1 inside because the effect that attracts or repel, groove 19 inner rotation in valve body 1 inside, when permanent magnet 15 rotates, the reversing valve core 16 that links to each other with permanent magnet 15 also rotates thereupon, after reversing valve core 16 turns an angle, reversing valve core 16 recovers initial position again, finish a circulation, permanent magnet piston 23 to-and-fro movements in the control cylinder body 2 that goes round and begins again thus realize the flow of the liquid that injects is accurately measured.
Flowmeter provided by the present invention is the switching that utilizes reversal valve 1 control fluid circuit, liquid in the pilot piping enters the cylinder body 2 from certain direction, permanent magnet piston 23 in the cylinder body electromagnetic wire bag 22 control cylinder bodies 2 of cylinder body 2 outsides at the uniform velocity from an end motion of cylinder body 2 to the other end, the liquid that promotes in the cylinder body 2 is discharged from export pipeline with constant pressure, location sensitive sensor 25 is judged and recording and analyses is moved position and number of times, the weight change of weight sensor 24 accurate recording cylinder bodies 2, thus get rid of because of sneaking into of the influence of factors such as impurity or gas in temperature variation and the pipeline true metering.
Claims (10)
1. flowmeter, it is characterized in that: described flowmeter comprises reversal valve, cylinder body and pipeline group; Described reversal valve connects by pipeline group and cylinder body.
2. flowmeter according to claim 1 is characterized in that: described reversal valve comprises valve body, be arranged on inlet on the valve body and liquid outlet, parallel first through hole and second through hole and the spool unit that is arranged in the valve body that connect; Described spool unit is arranged between inlet, second through hole, first through hole and the liquid outlet; Described liquid outlet is interconnected by the spool unit and first through hole; Described second through hole is communicated with inlet by the spool unit; The described first through hole two ends and the second through hole two ends connect by pipeline group and cylinder body respectively, the twisting unit that described spool unit comprises reversing valve core and is used for reversing valve core is twisted.
3. flowmeter according to claim 2, it is characterized in that: described reversing valve core is hourglass shape, described reversing valve core is communicated with inlet and liquid outlet respectively at two ends up and down, described reversing valve core the first half one side is provided with the upper shed that is communicated with second through hole, and the relative side of described reversing valve core the latter half is provided with the under shed that is communicated with first through hole.
4. flowmeter according to claim 2 is characterized in that: described reversing valve core comprises overhead gage and the lower baffle plate that links to each other with fooled plate; Described overhead gage retaining is connected to a side of second through hole and the connected entrance of inlet; Described lower baffle plate retaining is connected to the opposite side of first through hole and the connected entrance of liquid outlet.
5. flowmeter according to claim 2 is characterized in that: described twisting unit is electromagnetism twisting unit, and described electromagnetism twisting unit comprises permanent magnet and electromagnetic wire bag; Described permanent magnet links to each other with reversing valve core by spline mechanism; Described electromagnetic wire bag is around being arranged at the permanent magnet outside.
6. according to claim 2 or 3 or 4 or 5 described flowmeters, it is characterized in that: described cylinder body comprises body, is arranged at the piston of body interior and is arranged at first import, first outlet of body one end and be arranged at second import and second outlet of the body other end; Described first import, first outlet, second import and second outlet are connected with the first through hole two ends and the second through hole two ends by the pipeline group.
7. flowmeter according to claim 6, it is characterized in that: described pipeline group comprises first pipeline, second pipeline, the 3rd pipeline and the 4th pipeline, described second through hole, one end is communicated with first import by first pipeline, the described second through hole other end is communicated with second import by the 3rd pipeline, described first through hole, one end is communicated with first outlet by second pipeline, and the described first through hole other end is communicated with second outlet by the 4th pipeline.
8. flowmeter according to claim 7 is characterized in that: described cylinder body also comprises two position transducers that are arranged at the body two ends respectively.
9. flowmeter according to claim 8 is characterized in that: described cylinder body also comprises around the cylinder body electromagnetic wire bag that is arranged on the body; Described piston is the permanent magnet piston.
10. flowmeter according to claim 9 is characterized in that: described cylinder body also comprises the LOAD CELLS that is arranged on the body, and described LOAD CELLS is arranged at the body bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102588236A CN101936757B (en) | 2010-08-20 | 2010-08-20 | Flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102588236A CN101936757B (en) | 2010-08-20 | 2010-08-20 | Flowmeter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101936757A true CN101936757A (en) | 2011-01-05 |
| CN101936757B CN101936757B (en) | 2012-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102588236A Active CN101936757B (en) | 2010-08-20 | 2010-08-20 | Flowmeter |
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| Country | Link |
|---|---|
| CN (1) | CN101936757B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5221858A (en) * | 1975-08-12 | 1977-02-18 | Tokai Rika Co Ltd | Flow rate senser |
| US5193389A (en) * | 1991-05-29 | 1993-03-16 | Fleming Jr William T | Reciprocating piston positive displacement flow meter |
| CN2167084Y (en) * | 1993-09-11 | 1994-06-01 | 北京燕化实业开发总公司润滑油调和厂 | Liquid filling machine with measuring means |
| DE19647835A1 (en) * | 1996-11-19 | 1998-05-20 | Medecontrol Electronics Gmbh | Volumetric flow measurement method e.g. for medical infusion control |
| CN2521591Y (en) * | 2002-01-31 | 2002-11-20 | 徐敏 | Linear volume flow meter |
| US20030056955A1 (en) * | 2001-09-24 | 2003-03-27 | Watson Richard R. | Chemical injection control system and method for multiple wells |
| CN201917368U (en) * | 2010-08-20 | 2011-08-03 | 西安磁林电气有限公司 | Flowmeter |
-
2010
- 2010-08-20 CN CN2010102588236A patent/CN101936757B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5221858A (en) * | 1975-08-12 | 1977-02-18 | Tokai Rika Co Ltd | Flow rate senser |
| US5193389A (en) * | 1991-05-29 | 1993-03-16 | Fleming Jr William T | Reciprocating piston positive displacement flow meter |
| CN2167084Y (en) * | 1993-09-11 | 1994-06-01 | 北京燕化实业开发总公司润滑油调和厂 | Liquid filling machine with measuring means |
| DE19647835A1 (en) * | 1996-11-19 | 1998-05-20 | Medecontrol Electronics Gmbh | Volumetric flow measurement method e.g. for medical infusion control |
| US20030056955A1 (en) * | 2001-09-24 | 2003-03-27 | Watson Richard R. | Chemical injection control system and method for multiple wells |
| CN2521591Y (en) * | 2002-01-31 | 2002-11-20 | 徐敏 | Linear volume flow meter |
| CN201917368U (en) * | 2010-08-20 | 2011-08-03 | 西安磁林电气有限公司 | Flowmeter |
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| Publication number | Publication date |
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| CN101936757B (en) | 2012-06-06 |
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