CN208872363U - Accurate metering system - Google Patents
Accurate metering system Download PDFInfo
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- CN208872363U CN208872363U CN201821676220.6U CN201821676220U CN208872363U CN 208872363 U CN208872363 U CN 208872363U CN 201821676220 U CN201821676220 U CN 201821676220U CN 208872363 U CN208872363 U CN 208872363U
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- compensator
- oil
- screw pump
- outlet
- import
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Abstract
The utility model discloses a kind of accurate metering systems, including oil inlet, oil discharge outlet, compensator and PLC electrical control cabinet, the oil inlet connects imported valve by oil inlet pipe, the imported valve connects import screw pump by oil inlet pipe, pressure sensor is equipped between the imported valve and import screw pump, the import screw pump connects compensator import by oil inlet pipe, compensator import side is exported equipped with compensator, the compensator outlet passes through oil exit pipe connection outlet screw pump, the outlet screw pump connects high-precision mass flowmenter by oil exit pipe, the outlet screw pump is directly provided with pressure probe with high-precision mass flowmenter, the high-precision mass flowmenter passes through oil exit pipe connection outlet valve, the outlet valve connects oil discharge outlet by oil exit pipe.The result of the utility model mass flow measurement is more accurate, and manager is supported to control the dosage and whereabouts of oil in real time.
Description
Technical field
The utility model relates to crude oil measurement systems technology field more particularly to a kind of accurate metering systems.
Background technique
By on-ground weigher Weighing when crude oil is bought and shipped, low precision, human factor are big；Conventional flow meters are metered bodies
Product, metric results are influenced greatly by gas, temperature.We have found that the flowmeter of nominal 5 ‰ precision in work, deviation even can be with
Reach 5%-10%.Transformer is an irregular container, and the calculating of transformer oil usage amount is a theoretical value.Every change
The oil product usage amount of depressor can not accurate measurement；It is delivered when shipping oil according to theoretical value and factory's experience, it is few hair oil amount easily occurs
Reissue that oil generates secondary conveying expense or hair oil causes to waste, because support without accurate data, for safely often
Allowance, which can be amplified, causes source to lose, and each enterprise possesses advanced production equipment, Large Oil storage facility, but the management that oil is traditional
Mode can not incorporate always Enterprises ' Modern management system, accurate data cannot be directly passed to manager, become enterprise's inner tube
Loophole in reason.
Utility model content
The utility model is intended to solve at least some of the technical problems in related technologies.For this purpose, this reality
It is to propose a kind of accurate metering system with a novel purpose, the result of mass flow measurement is more accurate, supports manager
The dosage and whereabouts of oil are controlled in real time.
According to a kind of accurate metering system of the utility model embodiment, including oil inlet, oil discharge outlet, compensator and PLC
Electrical control cabinet, the oil inlet connect imported valve by oil inlet pipe, and the imported valve connects import spiral shell by oil inlet pipe
Bar pump, is equipped with pressure sensor between the imported valve and import screw pump, the import screw pump is connected by oil inlet pipe
Compensator import, compensator import side are exported equipped with compensator, and the compensator outlet passes through oil exit pipe connection outlet
Screw pump, the outlet screw pump connect high-precision mass flowmenter, the outlet screw pump and high-precision matter by oil exit pipe
Amount flowmeter is directly provided with pressure probe, and the high-precision mass flowmenter passes through oil exit pipe connection outlet valve, the outlet
Valve connects oil discharge outlet by oil exit pipe.
In some embodiments of the utility model, the compensator center offers liquid level observation window, the balance
Tank upper side is equipped with upper liquid-level floater, is equipped with lower liquid-level floater below the upper liquid-level floater, the compensator other side is equipped with
Breather valve.
In other embodiments of the utility model, the PLC electrical control cabinet is equipped with touch screen, the touch screen
Lower section is equipped with operation key, and the PLC electrical control cabinet uses touch screen, Gets Info, is easy to operate, intuitive generous.
In other embodiments of the utility model, the import screw pump is equipped with frequency converter, the outlet screw
Pump is equipped with frequency converter, and the frequency converter controls import screw pump and outlet screw pump respectively, realizes that flow is adjustable.
In other embodiments of the utility model, the compensator outlet is equipped with draining valve.
Beneficial effect in the utility model is: equipment is when operating normally, reading quality flow in PLC electrical control cabinet
It counts and is acquired, analyzes, stores and uploads, while controlling import screw pump and outlet screw pump respectively using frequency converter,
Realize flow it is adjustable, the result of mass flow measurement is more accurate because the quality of fluid will not with the variation of pressure or temperature and
Variation provides more health status in relation to process by high-precision mass flowmenter, enhances the precision of measuring system, precision
Raising, optimize productivity, reduce operating cost, realize data acquisition, storage, upload, system data retrospect, point
Analysis, control reduce interference from human factor, can access company ERP system as manager and provide accurate data, establishing database can
To provide reliable data for engineering department, manager is supported to control the dosage and whereabouts of oil in real time.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 be the utility model proposes a kind of accurate metering system structural schematic diagram；
Fig. 2 be the utility model proposes a kind of accurate metering system compensator structural schematic diagram；
Fig. 3 be the utility model proposes a kind of accurate metering system PLC electrical control cabinet structural schematic diagram；
Fig. 4 be the utility model proposes a kind of accurate metering system PLC electrical control cabinet electric operation control circuit figure.
In figure: 1- oil inlet, 2- imported valve, 3- check valve, 4- pressure sensor, 5- import screw pump, 6- export spiral shell
Bar pump, 7- pressure probe, 8- draining valve, 9- high-precision mass flowmenter, 10- outlet valve, 11- oil discharge outlet, the upper liquid level of 12- are floating
Liquid-level floater, 14- liquid level observation window, 15- compensator, 16- breather valve, 17- touch screen, 18- operation key, 19- under ball, 13-
PLC electrical control cabinet, 20- frequency converter, 21- oil inlet pipe, 22- oil exit pipe, the outlet of 23- compensator, 24- compensator import.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Examples of the embodiments are shown in the accompanying drawings, and in which the same or similar labels are throughly indicated identical or classes
As element or element with the same or similar functions.The embodiments described below with reference to the accompanying drawings are exemplary, purport
It is being used to explain the utility model, and should not be understood as limiting the present invention.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable
The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure
Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model
System.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
Referring to Fig.1-3, a kind of accurate metering system, including oil inlet 1, oil discharge outlet 11, compensator 15 and PLC electrical control
Cabinet 19, oil inlet 1 connect imported valve 2 by oil inlet pipe 21, and imported valve 2 connects import screw pump 5 by oil inlet pipe 21, into
Pressure sensor 4 is equipped between mouth valve 2 and import screw pump 5, pressure sensor 4 is the pressure sensor 4 of PX309 series,
Import screw pump 5 connects compensator import 24 by oil inlet pipe 21, and 24 side of compensator import is equipped with compensator outlet 23, balance
Tank outlet 23 connects high-precision mass flow by oil exit pipe 22 by 22 connection outlet screw pump 6 of oil exit pipe, outlet screw pump 6
Meter 9, outlet screw pump 6 are directly provided with pressure probe 7 with high-precision mass flowmenter 9, and high-precision mass flowmenter 9 passes through oil extraction
22 connection outlet valve 10 of pipe, outlet valve 10 connect oil discharge outlet 11 by oil exit pipe 22；15 center of compensator offers liquid level
Observation window 14,15 upper side of compensator are equipped with upper liquid-level floater 12, are equipped with lower liquid-level floater 13 below upper liquid-level floater 12, put down
15 other side of tank weigh equipped with breather valve 16；PLC electrical control cabinet 19 is equipped with touch screen 17, is equipped with operation key below touch screen 17
18, PLC electrical control cabinets 19 use touch screen 17, Get Info, is easy to operate, intuitive generous；Import screw pump 5, which is equipped with, to be become
Frequency device 20, outlet screw pump 6 are equipped with frequency converter 20, and frequency converter 20 controls import screw pump 5 and outlet screw pump 6 respectively, real
Existing flow is adjustable；Compensator outlet 23 is equipped with draining valve 8.
Working principle: when equipment operates normally, transformer oil exists under the action of screw pump by flow direction valve check valve 3
Enter compensator 15 by pressure sensor 4, upper liquid-level floater 12 and lower liquid-level floater 13, upper liquid-level floater is arranged in compensator 15
12 and lower liquid-level floater 13 liquid level is controlled, while breather valve 16 is set, the discharge when transformer oil enters of breather valve 16
Liquid level observation window 14 is arranged in gas in tank, compensator 15, convenient for fluid level condition in observation tank in time, 23 setting of compensator outlet
Draining valve 8 is used for transformer oil in manual drain tank, and transformer oil is under the action of screw pump in compensator 15, through excess pressure
Probe 7 flows to high-precision mass flowmenter 9 and is flowed out again by valve, and for equipment when operating normally, PLC electrical control cabinet 19 reads matter
Amount flow meter data is acquired, analyzes, stores and uploads, while controlling import screw pump 5 respectively using frequency converter 20 and going out
Mouth screw pump 6 realizes that flow is adjustable, and the result of the utility model mass flow measurement is more accurate, because the quality of fluid will not
Change with the variation of pressure or temperature, provides more health status in relation to process, enhancing by high-precision mass flowmenter 9
The precision of measuring system, the raising of precision optimize productivity, reduce operating cost, realize data acquisition, storage,
It uploads, system data retrospect, analysis, control reduce interference from human factor, can access company ERP system as manager and provide standard
Exact figures evidence, reliable data can be provided for engineering department by establishing database, support that manager controls the dosage of oil in real time and goes
To.
In the present invention unless specifically defined or limited otherwise, fisrt feature is in the second feature " on " or " down "
It can be that the first and second features directly contact or the first and second features are by intermediary mediate contact.Moreover, first is special
Sign can be fisrt feature above the second feature " above ", " above " and " above " and be directly above or diagonally above the second feature, or only
Indicate that first feature horizontal height is higher than second feature.Fisrt feature under the second feature " below ", " below " and " below " can be with
It is that fisrt feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
Stating may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be
It can be combined in any suitable manner in any one or more embodiment or examples.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (5)
1. a kind of accurate metering system, it is characterised in that: including oil inlet, oil discharge outlet, compensator and PLC electrical control cabinet, institute
It states oil inlet and imported valve is connected by oil inlet pipe, the imported valve connects import screw pump, the import by oil inlet pipe
Pressure sensor is equipped between valve and import screw pump, the import screw pump connects compensator import, institute by oil inlet pipe
Compensator import side is stated to export equipped with compensator, compensator outlet by oil exit pipe connection outlet screw pump, it is described go out
Mouth screw pump connects high-precision mass flowmenter by oil exit pipe, and the outlet screw pump is directly set with high-precision mass flowmenter
There is pressure probe, the high-precision mass flowmenter passes through oil exit pipe by oil exit pipe connection outlet valve, the outlet valve
Connect oil discharge outlet.
2. a kind of accurate metering system according to claim 1, it is characterised in that: the compensator center offers liquid level
Observation window, the compensator upper side are equipped with upper liquid-level floater, and lower liquid-level floater is equipped with below the upper liquid-level floater, described
The compensator other side is equipped with breather valve.
3. a kind of accurate metering system according to claim 1, it is characterised in that: the PLC electrical control cabinet is equipped with
Touch screen, the touch screen lower section are equipped with operation key.
4. a kind of accurate metering system according to claim 1, it is characterised in that: the import screw pump is equipped with frequency conversion
Device, the outlet screw pump are equipped with frequency converter.
5. a kind of accurate metering system according to claim 1, it is characterised in that: the compensator outlet is equipped with oil extraction
Valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821676220.6U CN208872363U (en) | 2018-10-16 | 2018-10-16 | Accurate metering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821676220.6U CN208872363U (en) | 2018-10-16 | 2018-10-16 | Accurate metering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208872363U true CN208872363U (en) | 2019-05-17 |
Family
ID=66470279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821676220.6U Active CN208872363U (en) | 2018-10-16 | 2018-10-16 | Accurate metering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208872363U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110111978A (en) * | 2019-06-12 | 2019-08-09 | 中国启源工程设计研究院有限公司 | Transformer oil oil return method and integrating device with metrology capability |
-
2018
- 2018-10-16 CN CN201821676220.6U patent/CN208872363U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110111978A (en) * | 2019-06-12 | 2019-08-09 | 中国启源工程设计研究院有限公司 | Transformer oil oil return method and integrating device with metrology capability |
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