CN109060057A - The volumetric metering station of high degree of automation - Google Patents
The volumetric metering station of high degree of automation Download PDFInfo
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- CN109060057A CN109060057A CN201811160220.5A CN201811160220A CN109060057A CN 109060057 A CN109060057 A CN 109060057A CN 201811160220 A CN201811160220 A CN 201811160220A CN 109060057 A CN109060057 A CN 109060057A
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- 238000001514 detection method Methods 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000012530 fluid Substances 0.000 claims abstract description 18
- 238000012360 testing method Methods 0.000 claims abstract description 18
- 238000005259 measurement Methods 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims description 38
- 238000005303 weighing Methods 0.000 claims description 29
- 238000009434 installation Methods 0.000 claims description 15
- 230000007246 mechanism Effects 0.000 claims description 15
- 206010016654 Fibrosis Diseases 0.000 claims description 13
- 230000007882 cirrhosis Effects 0.000 claims description 13
- 208000019425 cirrhosis of liver Diseases 0.000 claims description 13
- 238000004804 winding Methods 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004519 grease Substances 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 8
- 239000011521 glass Substances 0.000 description 6
- 239000010779 crude oil Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000037396 body weight Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 206010040844 Skin exfoliation Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000005484 gravity Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
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- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 230000001105 regulatory effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F11/00—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it
- G01F11/02—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement
- G01F11/021—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement of the piston type
- G01F11/024—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement of the piston type the pistons reciprocating in rotatable cylinders
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- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Abstract
The present invention relates to a kind of volumetric metering stations of high degree of automation.It is intended to provide a kind of vdiverse in function, high degree of automation, the high volumetric metering system of measurement accuracy.The present invention connects standard capacity measure group, cylinder including hydraulic control connection, the piston of the piston end connection commutation hydraulic cylinder of cylinder, inlet-outlet connector there are four being set on the cylinder body of commutation hydraulic cylinder, it commutates on the cylinder body of hydraulic cylinder, the both ends of commutation hydraulic cylinder piston were additionally provided with hydraulic fluid port, cross hydraulic fluid port connection metering conduit, two metering conduits are respectively connected to the cavity of metering hydraulic cylinder inner piston two sides, oil inlet or the oil outlet of standard capacity measure are connected in four inlet-outlet connectors two-by-two to form the flow velocity of the different directions of metering conduit, position sensor and timing element are equipped in metering hydraulic cylinder cylinder body with metered flow, measuring station further includes pressure test device, oil-water ratio hybrid detection device, electric control gear includes single-chip microcontroller, its inlet circuit connects above-mentioned position sensor, timing element, pressure test device, grease The output end of ratio hybrid detection device, electric control gear connects display screen.
Description
Technical field
The present invention relates to the volumetric metering station field of high degree of automation, especially a kind of volume of high degree of automation
Formula measuring station.
Background technique
Volume flow measuring is to measure the fluid volume by flowmeter repeatedly using fixed small volume.So
Must have the space for constituting a normal volume, the commonly referred to as " meter of volumetric flowmeter inside volumetric flowmeter
Quantity space " or " measuring room ".This space is made of together the inner wall of meter housing and Flux meter rotation component.Volumetric flowmeter
Working principle are as follows: fluid will generate certain pressure difference between flowmeter inlet and outlet by flowmeter.Flowmeter turns
Dynamic component (abbreviation rotor) generates rotation under the effect of this pressure difference, and fluid is arranged from entrance to outlet.In this process
In, fluid is full of " metric space " of flowmeter one after another, then and is constantly sent to outlet.In given stream meter condition
Under, the volume of the metric space is determining, as long as measuring the number of revolutions of rotor.It can be obtained by the fluid by flowmeter
The accumulated value of volume.
Main measuring station at this stage pair, primary structure are the structure at volumetric metering station referring to published improve,
Such as in published Chinese patent literature, application No. is the entitled a kind of stable with better systems of CN201510491762.0
The patent of the flow measurement station system of property, by the improvement to electric-control system, the advantages of realizing high degree of automation.
In for another example published Chinese patent literature, application No. is the entitled measuring station greasy dirts of CN200320107519.7
The patent of holding vessel realizes a kind of simple, easy to use, the easy to remove storage of structure by the improvement to tank structure
Deposit tank.
But in the prior art, specific staff thinks the shortcoming for still having following: 1. functions are relatively single
One, measurement accuracy is low；2. the monitoring direction for pair flowing through oil liquid is single, the quality and composition situation of oil liquid can not be measured in time, it is right
The quality monitoring of subsequent oil liquid is unfavorable.
Summary of the invention
The object of the invention is to be had a single function for the volumetric metering station for solving high degree of automation in the prior art,
The low problem of measurement accuracy.
Concrete scheme of the invention is:
A kind of volumetric metering station of high degree of automation is designed, standard capacity measure group is connected, including hydraulic control connects
The cylinder connect, the cylinder piston end connection commutation hydraulic cylinder piston, it is described commutation hydraulic cylinder cylinder body on set there are four
Inlet-outlet connector, on the cylinder body of the commutation hydraulic cylinder, the both ends of commutation hydraulic cylinder piston be additionally provided with hydraulic fluid port, it is described to cross hydraulic fluid port
Metering conduit is connected, two metering conduits are respectively connected to the cavity of metering hydraulic cylinder inner piston two sides, four inlet-outlet connectors
In connect oil inlet or the oil outlet of the standard capacity measure two-by-two to form the flow velocity of the different directions of metering conduit, in institute
It states and is equipped with position sensor and timing element in metering hydraulic cylinder cylinder body with metered flow, the measuring station further includes air pressure detection
Device, oil-water ratio hybrid detection device, electric control gear include single-chip microcontroller, inlet circuit connect above-mentioned position sensor,
The output end of timing element, pressure test device, oil-water ratio hybrid detection device, the electric control gear connects display screen.
In specific implementation, the pressure test device includes the nose bar for being set to metering hydraulic the cylinder piston both ends,
The metering hydraulic inside wall of cylinder both ends setting the slide cartridge matched in the nose bar, the metering hydraulic piston side wall and
Also the range sensor of both measurements spacing is equipped between the two hydraulic inside walls of cylinder, the range sensor and the monolithic are electromechanical
Road circuit connection is equipped with bullet block between the nose bar and the slide cartridge, the bullet block is spherical crown shape, and the bullet block maximum gauge is less than
4mm。
In specific implementation, the perpendicular formula installation of the cylinder body of the metering hydraulic cylinder, in the cylinder body of the metering hydraulic cylinder
Floatage-type oil-water ratio testing agency, the piston of metering hydraulic cylinder described in piston rod drawing-in are installed, two sides are fixed on described
The both ends of metering hydraulic cylinder cylinder body, in the upper cover of piston rod equipped with the lasso with oil liquid equal density, the metering hydraulic cylinder
The measuring cell for measuring the lasso height is equipped in cylinder body, the measuring cell is to be mounted in the metering hydraulic cylinder cylinder body
The range sensor of end.
In specific implementation, the lasso includes internal layer magnetic core and outer layer rubber film, and the measuring cell is installed vertically on institute
The outside for stating metering hydraulic cylinder cylinder body, including loop bar and the block that is magnetically moved being mounted on loop bar, described be magnetically moved on block is set
There is a through slot, be equipped in the through slot and be magnetically moved block reset spring, spring force, which is less than the magnetic core and is magnetically moved between block, to be inhaled
Power.
In specific implementation, measuring rod, the measurement pole length and the metering hydraulic cylinder cylinder are additionally provided on the loop bar side
Body height is corresponding, and surface is equipped with graduation mark.
Oil-water ratio testing agency can also be electronic type, including the detection cylinder body being series on the metering conduit,
In the detection cylinder body, extends gauge stick made of installation plastics from arrival end phase outlet section, wound on the gauge stick
There is winding, and after detection cylinder body described in the both ends drawing-in of the winding, connects external circuit with liquid stream in measuring pipeline
Resistance value, the external circuit via after analog to digital conversion circuit connect digital circuit with resistance value, and via controller export oil
Water ratio value, gauge stick and the concentric installation of the detection cylinder body, two sides are equipped with support device.
Can also include metering hydraulic cylinder in specific implementation, series connection on the liquid stream circuit lines at volumetric metering station,
It is equipped with close up formula between both ends and the liquid stream circuit lines to connect, bottom part down is equipped with Weighing mechanism.The Weighing mechanism
It is connected with reset spring, the close up formula connection includes the liquid stream circuit lines as inner tube, the metering hydraulic cylinder as outer tube
Two end pipes, clearance fit between said inner tube and the outer tube, length of fit are greater than 30mm, and the Weighing mechanism includes in described
Pressure cirrhosis instrument below metering hydraulic cylinder, and the spring being set in outside the pressure cirrhosis instrument, the spring are mounted on branch
It supports on shell.
Metering hydraulic cylinder is series on the liquid stream circuit lines at volumetric metering station, the input end connection in the liquid stream circuit
Standard capacity measure group, outlet end are connected to metering hydraulic cylinder, are additionally provided on the liquid stream circuit and drive liquid in metering hydraulic cylinder
The commutation element of commutation is equipped with clearance compensation type and connects between the both ends of the metering hydraulic cylinder and the liquid stream circuit lines,
Bottom part down is equipped with Weighing mechanism, and the Weighing mechanism includes reset spring, the cylinder being mounted on outside spring, further includes peace
The big pallet of spring mounted in spring top and the spring adjustment disk for being mounted on spring bottom, the spring adjustment disk and the spring
Between be threadedly coupled via adjusting, the small pallet of sensor and corresponding is also equipped between the big pallet of spring and the spring adjustment disk
Support rod, weighing and sensing element is equipped at the stress between the small pallet of the sensor and support rod.
The beneficial effects of the present invention are:
The volumetric metering station of high degree of automation, adapts to the equipment for connecting multiple standard capacity measure groups, and complete machine automates journey
Degree is high, and the structure in double control direction further improves weighing precision；
Design has air pressure testing agency, convenient for the detection intracorporal gas-liquid mixed situation of liquid, control product quality；
Design has oil-water ratio testing agency, convenient for the quality condition of concentration and oil liquid in detection oil liquid；Wherein oil-water ratio
Testing agency can be specially floatage-type, electronic type and Weighing type again, and various structures are adapted to a variety of situations.
Detailed description of the invention
Fig. 1 is the main view of structure of the invention；
Fig. 2 is the perspective view that hydraulic cylinder is measured in the present invention；
Fig. 3 is the cross-sectional view in structure shown in Fig. 2；
Fig. 4 is the right view of present invention installation floatage-type oil-water ratio detection structure；
Fig. 5 is the structural schematic diagram of present invention installation Weighing hydraulic cylinder part；
Fig. 6 is weighing device enlarged schematic partial view in the present invention；
Fig. 7 is another embodiment weighing device enlarged schematic partial view in the present invention；
Fig. 8 is another implementation structural schematic diagram in the present invention；
Fig. 9 is the schematic diagram of volumetric metering station glass flow pattern in the present invention；
Figure 10 is the schematic diagram of another volumetric metering station glass flow pattern in the present invention；
Figure 11 is the schematic diagram of another volumetric metering station glass flow pattern in the present invention；
Figure 12 is the schematic diagram of another volumetric metering station glass flow pattern again in the present invention；
Figure 13 is the schematic diagram of another another volumetric metering station glass flow pattern in the present invention；
Figure 14 is the schematic diagram of another another volumetric metering station glass flow pattern again in the present invention；
The names of the parts in figure: the names of the parts in figure: 1. cylinders；2. solenoid directional control valve；3. controller；4. air pump；5. metering
The piston of hydraulic cylinder；6. the piston for the hydraulic cylinder that commutates；7. the cylinder body for the hydraulic cylinder that commutates；8. metering conduit；9. metering hydraulic cylinder
Cylinder body；10. position sensor；11. slide cartridge；12. oil liquid is imported and exported；13. magnetic patch；14. magnetic stripe；15. nose bar；16. protrusion；
17. lasso；18. loop bar；19. being magnetically moved block；20. piston rod；21. winding；22. gauge stick；23. electric bridge；24. pneumatic movement
Cylinder；25. the big pallet of spring；26. support rod；27. the small pallet of sensor；28. weighing sensor regulating device；29. spring tune
Save disk；30. spring；31. clearance compensation type connects；32. fixed pivot；33. lever；34. weights；35. control circuit；
36. pole plate.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
Embodiment 1
A kind of volumetric metering station of high degree of automation connects standard capacity measure group, including hydraulic control machine referring to attached drawing
The cylinder of structure connection, the piston of the piston end connection commutation hydraulic cylinder of cylinder set that there are four disengaging on the cylinder body for the hydraulic cylinder that commutates
Mouthful connector, on the cylinder body for the hydraulic cylinder that commutates, the both ends of commutation hydraulic cylinder piston be additionally provided with hydraulic fluid port, cross hydraulic fluid port and connect metering conduit
8, two metering conduits 8 are respectively connected to the cavity of metering hydraulic cylinder inner piston two sides, connect standard two-by-two in four inlet-outlet connectors
The oil inlet or oil outlet of metal tank are set in metering hydraulic cylinder cylinder body with forming the flow velocitys of the different directions of metering conduit 8
With metered flow, measuring station further includes pressure test device, oil-water ratio hybrid detection for position sensor 10 and timing element
Device, electric control gear include single-chip microcontroller, and inlet circuit connects above-mentioned position sensor 10, timing element, air pressure detection dress
It sets, oil-water ratio hybrid detection device, the output end of electric control gear connects display screen.
In the present embodiment, the cylinder body for the hydraulic cylinder that commutates is equivalent to a double triple-valve body, for example, what pumping unit elevated
Crude oil enters from one of both ends import, open-minded with corresponding valve opening by the road, and crude oil enters double triple-valve bodies through valve opening, through centre two
One of a outlet goes out, and crude oil pushes the piston of metering hydraulic cylinder to move downward, and when position moves to the limit, position sensor is given
Controller 3 sends signal, and cylinder 1 drives the piston of commutation hydraulic cylinder mobile, and the valve imported and exported before is blocked, and replaces
Be another two valve, corresponding pipeline flow direction also changes, and crude oil living pushes the piston of metering hydraulic cylinder to move right, this
It in embodiment, does not all exert a force to valve shaft, valve shaft stress only has abrupt transients, without progressive formation, will not generate movement dead, counts
The working principle of amount is: oil cylinder volume is total volume multiplied by piston motion number, and number is obtained by displacement sensor.
Hydraulic control includes controller 3, the input terminal link position sensor and timing element of controller 3, control
The output end of device 3 connects solenoid directional control valve 2, and one end of solenoid directional control valve 2 connects air pump 4, and the other end is connected to piston two in cylinder 1
The air cavity of side.Controller 3 goes back externally connected with display screen with output flow numerical value.
Transition connects between the piston and hydraulic cylinder of commutation hydraulic cylinder, realizes smooth reciprocating movement.
Position sensor is in the both ends for the hydraulic inside wall of cylinder that commutates, the switching circuit company of timing element and position sensor
It connects.The design on the one hand can promptly and accurately perceptually relevant piston position, on the other hand it occupies little space, to measurement result
It influences small.
Pressure test device includes the nose bar for being set to metering hydraulic the cylinder piston both ends, is set at metering hydraulic inside wall of cylinder both ends
The slide cartridge 11 matched in nose bar set is equipped between measurement the two in the side wall of metering hydraulic piston and also between the two hydraulic inside walls of cylinder
Away from range sensor, range sensor in single chip circuit circuit connection, nose bar between slide cartridge 11 be equipped with bullet block, bullet block be ball
Coronal, bullet block maximum gauge is less than 4mm.
The perpendicular formula installation of the cylinder body of metering hydraulic cylinder, is equipped with floatage-type oil-water ratio in the cylinder body of metering hydraulic cylinder
Testing agency, the piston of piston rod drawing-in metering hydraulic cylinder, the both ends of metering hydraulic cylinder cylinder body are fixed in two sides, in piston rod
On be set with lasso with oil liquid equal density, the measuring cell of measurement lasso height, measurement are equipped in metering hydraulic cylinder cylinder body
Element is the range sensor for being mounted on metering hydraulic cylinder cylinder body inner end.
Lasso includes internal layer magnetic core and outer layer rubber film, and measuring cell is installed vertically on the outside of metering hydraulic cylinder cylinder body,
It including loop bar and is mounted on loop bar and is magnetically moved block 19, be magnetically moved block 19 equipped with through slot, be equipped with magnetic move in through slot
19 reset spring of motion block, spring force are less than magnetic core and are magnetically moved suction between block 19.It is additionally provided with measuring rod on loop bar side, is measured
Pole length is corresponding with metering hydraulic cylinder height of cylinder, and surface is equipped with graduation mark.
In specific implementation, distance and position can also be measured using Hall sensor.
Embodiment 2, the present embodiment principle with embodiment 1, it is specific the difference is that: metering hydraulic cylinder is series at positive displacement
On the liquid stream circuit lines of measuring station, the input end in liquid stream circuit is connected to standard capacity measure group, and outlet end is connected to metering hydraulic
Cylinder is additionally provided with the commutation element for driving liquid commutation in metering hydraulic cylinder, the both ends of metering hydraulic cylinder and liquid stream on liquid stream circuit
Clearance compensation type connection 31 is equipped between circuit lines, bottom part down is equipped with Weighing mechanism, and Weighing mechanism includes reset spring
30, the cylinder being mounted on outside spring 30 further includes being mounted on the big pallet 25 of spring on 30 top of spring and being mounted on spring 30
The spring adjustment disk 29 of bottom is threadedly coupled between spring adjustment disk 29 and spring 30 via adjusting, the big pallet 25 of spring and spring
The small pallet 27 of sensor and corresponding support rod 26 are also equipped between adjustment disk 29, between the small pallet 27 of sensor and support rod 26
Stress at be equipped with weighing and sensing element.
In the present embodiment, including metering hydraulic cylinder, series connection on the liquid stream circuit lines at volumetric metering station, both ends with
It is equipped with close up formula between liquid stream circuit lines to connect, bottom part down is equipped with Weighing mechanism.Weighing mechanism is connected with reset spring,
The connection of close up formula includes liquid stream circuit lines as inner tube, as two end pipe of metering hydraulic cylinder of outer tube, between inner and outer tubes
Clearance fit, length of fit are greater than 30mm, and Weighing mechanism includes the pressure cirrhosis instrument below metering hydraulic cylinder, and is set in
Spring outside pressure cirrhosis instrument, spring are mounted in supporing shell.
Embodiment 3, the present embodiment principle with embodiment 1, it is specific the difference is that: oil-water ratio testing agency includes string
The detection cylinder body being coupled on metering conduit 8 extends from arrival end phase outlet section and measures made of installation plastics in detection cylinder body
Stick 22 is wound with winding 21 on gauge stick 22, and after the both ends drawing-in detection cylinder body of winding 21, connects external circuit to measure
The resistance value of liquid stream in metering conduit 8, external circuit via after analog to digital conversion circuit connect digital circuit with resistance value, and via
Controller exports oil-water ratio value, gauge stick 22 and the concentric installation of metering conduit 8, and two sides are equipped with support device.Specifically
In implementation, it can also be replaced with condenser network.
Embodiment 4, the present embodiment principle with embodiment 2, it is specific the difference is that: the pressure in weighing and sensing element is hard
Become instrument and replace with 33 element of lever, one end of lever 33 is fixed on spring 30 in 33 element of lever, and the other end installs counterweight weight
Code 34, the installation of fixed pivot 32 of 33 element of lever is on the ground.Spring adjustment disk 29 is externally provided with storage box to dispose counterweight.
Embodiment 2 and embodiment 4, in, corresponding two different balance methods: one is using two end face flow stopping devices
Part, immersible pump seal box solve pipeline and limit fluid on-line measurement problem；Using balance counterweight principle, volume hollow body weight is solved
Weight, fluid weight is light, the low problem of caused weighing resolution ratio；Another kind is connected using direct insertion dedicated fluid on-line measurement
Device cooperates Spring balancer, solves piping connection and volume hollow body weight weight, fluid weight is light, and caused weighing resolution ratio is low
Problem.
Balance can solve the problems, such as that error is big in fluid on-line measurement and resolution ratio is low with gentle spring trim, because of method
Its different effect also can a great difference.
Counter weight type balance trimmed equilibrium method and spring trimmed equilibrium method, substantial difference and implementation method and odds
Compared with: counter weight type balance trimmed equilibrium method and spring trimmed equilibrium method, maximum difference are threshold values difference.
Spring trimmed equilibrium method refers in claiming reforming process, falls although being unable to complete equipilibrium by the skin of title object, claims
Object is similar with both peelings.Only spring elongation is larger, and strain pulling-down is smaller.Installation and adjustment method: spring is flat
The measurement of weighing apparatus method: spring 30 and cirrhosis instrument are acted on by title object simultaneously, and gravity is all undertaken by spring 30 when there was only skin by title object, when
When net object participates in, the two shared.This is installation principle.Specific installation spring 30 and cirrhosis instrument are mounted on a container side by side
In, spring 30 and cirrhosis instrument relative position are adjustable.Debugging: when skin net by title object, spring whole stress, cirrhosis instrument is at critical state
Or one small value of setting.Then, the weight for determining value is added on skin, (such as: 10 kilograms.This depending on net weight to be claimed and
It is fixed.) see that cirrhosis instrument is read.For the number centainly than practical object heavy and light, difference is exactly the power that spring 30 acts on.Reading is that cirrhosis instrument is made
Power.The ratio of they and actual net weight is exactly their ratio.
Embodiment 5-10, the present embodiment principle is with embodiment 1, referring to Fig. 9 to Figure 14, it is specific the difference is that: pass through
A variety of valves or the mode of control form combination, realize the commutation and control of pipeline.
Finally, it should be noted that these are only the preferred embodiment of the present invention, it is not intended to restrict the invention, although
Present invention has been described in detail with reference to the aforementioned embodiments, for those skilled in the art, still can be right
Technical solution documented by foregoing embodiments is modified or equivalent replacement of some of the technical features.It is all
Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in protection of the invention
Within the scope of.
Claims (10)
1. a kind of volumetric metering station of high degree of automation, it is characterised in that: connection standard capacity measure group, including hydraulic control
The cylinder of mechanism processed connection, the piston of the piston end connection commutation hydraulic cylinder of the cylinder, on the cylinder body of the commutation hydraulic cylinder
If there are four inlet-outlet connector, on the cylinder body of the commutation hydraulic cylinder, the both ends of commutation hydraulic cylinder piston be additionally provided with hydraulic fluid port, institute
Stated hydraulic fluid port connection metering conduit, two metering conduits are respectively connected to the cavity of metering hydraulic cylinder inner piston two sides, described four into
Oil inlet or the oil outlet of the standard capacity measure are connected in outlet connection two-by-two to form the different directions of metering conduit
Flow velocity is equipped with position sensor and timing element in the metering hydraulic cylinder cylinder body with metered flow, and the measuring station also wraps
Pressure test device, oil-water ratio hybrid detection device are included, electric control gear includes single-chip microcontroller, and inlet circuit connects upper rheme
Set sensor, timing element, pressure test device, oil-water ratio hybrid detection device, the output end connection of the electric control gear
Display screen.
2. the volumetric metering station of high degree of automation as described in claim 1, it is characterised in that: the pressure test device
Nose bar including being set to metering hydraulic the cylinder piston both ends, the metering hydraulic inside wall of cylinder both ends setting in described convex
The slide cartridge that bar matches is equipped with both measurements spacing between the side wall and the also two hydraulic inside walls of cylinder of the metering hydraulic piston
Range sensor, the range sensor is equipped between the nose bar and the slide cartridge in the single chip circuit circuit connection
Bullet block, the bullet block are spherical crown shape, and the bullet block maximum gauge is less than 4mm.
3. the volumetric metering station of high degree of automation as described in claim 1, it is characterised in that: the metering hydraulic cylinder
The perpendicular formula installation of cylinder body, is equipped with floatage-type oil-water ratio testing agency, piston rod in the cylinder body of the metering hydraulic cylinder
The piston of metering hydraulic cylinder described in drawing-in, the both ends of the metering hydraulic cylinder cylinder body are fixed in two sides, on the piston rod
It is set with the lasso with oil liquid equal density, the measurement member for measuring the lasso height is equipped in the metering hydraulic cylinder cylinder body
Part, the measuring cell are the range sensor for being mounted on the metering hydraulic cylinder cylinder body inner end.
4. the volumetric metering station of high degree of automation as described in claim 1, it is characterised in that: the lasso includes internal layer
Magnetic core and outer layer rubber film, the measuring cell replace with the outside for being installed vertically on the metering hydraulic cylinder cylinder body, including set
Bar and the block that is magnetically moved being mounted on loop bar, equipped with through slot, interior be equipped with of the through slot is magnetically moved the block that is magnetically moved
Block reset spring, spring force are less than the magnetic core and are magnetically moved suction between block.
5. the volumetric metering station of high degree of automation as claimed in claim 4, it is characterised in that: also set on the loop bar side
There is measuring rod, the measurement pole length is corresponding with the metering hydraulic cylinder height of cylinder, and surface is equipped with graduation mark.
6. the volumetric metering station of high degree of automation as described in claim 1, it is characterised in that: including metering hydraulic cylinder
(24), it connects on the liquid stream circuit lines at volumetric metering station, close up formula is equipped between both ends and the liquid stream circuit lines
Connection, bottom part down are equipped with Weighing mechanism, and the Weighing mechanism is connected with reset spring, and the close up formula connection includes making
For the liquid stream circuit lines of inner tube, as (24) two end pipe of metering hydraulic cylinder of outer tube, gap between said inner tube and the outer tube
Cooperation, length of fit are greater than 30mm, said inner tube is in above or below the outer tube, and the Weighing mechanism includes being in
Pressure cirrhosis instrument below the metering hydraulic cylinder (24), and the spring being set in outside the pressure cirrhosis instrument, the spring
It is mounted in supporing shell.
7. the volumetric metering station of high degree of automation as described in claim 1, it is characterised in that: oil-water ratio testing agency
Including the detection cylinder body being series on the metering conduit, in the detection cylinder body, extends from arrival end phase outlet section and install
Gauge stick made of plastics is wound with winding on the gauge stick, and after detection cylinder body described in the both ends drawing-in of the winding,
External circuit is connected with the resistance value of liquid stream in measuring pipeline, the external circuit is digital via connecting after analog to digital conversion circuit
Circuit exports oil-water ratio value via controller with resistance value, gauge stick and the concentric installation of the detection cylinder body, and two
Side is equipped with support device.
8. the volumetric metering station of high degree of automation as described in claim 1, it is characterised in that: metering hydraulic cylinder is laterally gone here and there
It is coupled on the liquid stream circuit lines at volumetric metering station, the input end in the liquid stream circuit is connected to standard capacity measure group, outlet
End is connected to metering hydraulic cylinder, and the commutation element for driving liquid commutation in metering hydraulic cylinder is additionally provided on the liquid stream circuit, described
It is equipped with clearance compensation type between the both ends of metering hydraulic cylinder and the liquid stream circuit lines to connect, bottom part down is equipped with weigher
Structure, the Weighing mechanism include reset spring, the cylinder being mounted on outside spring, further include be mounted on spring top spring it is big
Pallet and the spring adjustment disk for being mounted on spring bottom, the spring adjustment disk are threadedly coupled between the spring via adjusting,
It is also equipped with the small pallet of sensor and corresponding support rod between the big pallet of spring and the spring adjustment disk, in the sensing
Weighing and sensing element is equipped at stress between the small pallet of device and support rod.
9. the volumetric metering station of high degree of automation as claimed in claim 8, it is characterised in that: the weighing and sensing element
In pressure cirrhosis instrument replace with lever (33) element, the bullet is fixed in one end of lever (33) in lever (33) element
On spring (30), the other end installs weights (34), and fixed pivot (32) installation of lever (33) element is on the ground.
10. the volumetric metering station as claimed in claim 9 weighing device of metering hydraulic cylinder, it is characterised in that: the bullet
Spring adjustment disk is externally provided with storage box to dispose the counterweight.
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