CN206399512U - A kind of changement of liquid flow standard device - Google Patents
A kind of changement of liquid flow standard device Download PDFInfo
- Publication number
- CN206399512U CN206399512U CN201621456437.7U CN201621456437U CN206399512U CN 206399512 U CN206399512 U CN 206399512U CN 201621456437 U CN201621456437 U CN 201621456437U CN 206399512 U CN206399512 U CN 206399512U
- Authority
- CN
- China
- Prior art keywords
- commutator
- weighing
- liquid
- pipeline
- flowmeter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Examining Or Testing Airtightness (AREA)
- Measuring Volume Flow (AREA)
Abstract
The utility model discloses a kind of changement of liquid flow standard device, including experiment pipeline, commutator, tested flowmeter, weighing container, weighing apparatus；Experiment pipeline is connected with the inlet of commutator, two liquid outlets of commutator are connected to bypass pipe and infusion pipeline, and bypass pipe is connected in the total fuel tank of device, and infusion pipeline is connected with weighing container, weighing container is located on weighing apparatus, and tested flowmeter is coated with infusion pipeline；The piston shaft of commutator is connected with cylinder.The utility model uses the structure commutated before table, start and stop method operation principle compared to traditional oil pump start and stop and valve opening and closing is small to system pressure impact, start flow settling time shorter, other commutator is preposition to ensure that all liquid by tested flowmeter fully enter weight box or volumetric standard by preferable closed conduct, eliminates the inside and outside leakage of exchange system and gathers the error caused to flowmeter instrument coefficient.
Description
Technical field
The utility model belongs to flow detector technical field, relates generally to a kind of commutation of liquid flow standard device
Mechanism.
Background technology
Inlet fluid is switched fast, preferably by changement function equivalent to triple valve between bypass and weighing system
The Weighing mechanism that commutates should be that liquid continuously and uniformly fully enters weighing system, it is desirable to which exchange system is without wall built-up, noresidue, nothing
Interior outward leakage and it should be continuous stream mode.Prior art is commutator to be arranged on after tested table, before weighing system；No matter use
There is internal leakage when open type or the commutation of enclosed commutator, open commutator also has external leakage risk, be caused to pass through tested stream
The liquid and weighing system of gauge collect amount of liquid and there is deviation, influence measuring accuracy.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of leakage that commutates and the small liquid of influence is measured on flowmeter
The changement of body flow standard device.
The technical solution of the utility model is：
A kind of changement of liquid flow standard device, including experiment pipeline, commutator, tested flowmeter, appearance of weighing
Device, weighing apparatus；Experiment pipeline is connected with the inlet of commutator, and two liquid outlets of commutator are connected to bypass pipe and transfusion
Pipeline, bypass pipe is connected in the total fuel tank of device, and infusion pipeline is connected with weighing container, and weighing container is located on weighing apparatus, transfusion
Tested flowmeter is coated with pipeline；The piston shaft of commutator is connected with cylinder.
Preferably, also include being fixedly connected with photometer head and flow integrator, the piston shaft of commutator cutting baffle plate,
Cut baffle plate and cut light aperture position along photometer head and symmetrically back and forth run, photometer head is electrically connected by cable with flow integrator；Quilt
Inspection flowmeter and weighing apparatus are electrically connected by cable with flow integrator respectively.
The beneficial effects of the utility model are：
The utility model uses the structure commutated before table, and the start and stop method compared to traditional oil pump start and stop and valve opening and closing works former
Reason is small to system pressure impact, and it is shorter to start flow settling time, in addition commutator it is preposition ensure that it is all by tested stream
The liquid of gauge fully enters weight box or volumetric standard by preferable closed conduct, eliminates the inside and outside leakage of exchange system
The error caused is gathered to flowmeter instrument coefficient.The utility model has high excellent of commutation weighing precision compared with the prior art
Point.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
In figure：1 is experiment pipeline, and 2 be commutator, and 3 be cylinder, and 4 be piston shaft, and 5 is cut baffle plate, and 6 be photometer head, 7
It is flow integrator for cable, 8,9 be tested flowmeter, and 10 be weighing container, and 11 be weighing apparatus, and 12 be bypass pipe, and 13 be device
Total fuel tank, 14 be infusion pipeline.
Embodiment
Embodiment one：Referring to Fig. 1, a kind of changement of liquid flow standard device, including experiment pipeline, commutator,
Tested flowmeter, weighing container and weighing apparatus.Experiment pipeline is connected with the inlet of commutator, two liquid outlets difference of commutator
Bypass pipe and infusion pipeline are connected with, bypass pipe is connected in the total fuel tank of device, and infusion pipeline is connected with weighing container, appearance of weighing
Device is located on weighing apparatus, and tested flowmeter is coated with infusion pipeline.The piston shaft of commutator is connected with cylinder.
The course of work：
Liquid enters commutator by testing pipeline, and commutator initial position is the state that swaps out, and liquid is returned by bypass pipe
Circulation is completed into the total fuel tank of device.Commutator is dragged when commutation is weighed by piston shaft by cylinder to pass through to position, liquid is changed to
Infusion pipeline, tested flowmeter are flowed into weighing container, and the liquid in weighing container is weighed by weighing apparatus；When liquid is claiming
When being collected into a certain amount of in weight container, commutator is dragged to the position that swaps out by piston shaft by cylinder, commutator swaps out, and liquid leads to
Cross commutator, bypass pipe and return to completion circulation in the total fuel tank of device.Difference obtains change liquid quality, liquid before and after being weighed with weighing apparatus
Weight divided by timing cycle obtain standard mass flow, and tested flowmeter output umber of pulse divided by quality can obtain tested flow
The key parameter of meter --- instrument coefficient, weighs to calculate and obtains the linear of tested flowmeter by adjusting flow and multipass commutation
Degree and repeatability, complete the calibration to being detected flowmeter.Due to using the structure commutated before table, compared to traditional oil pump start and stop and valve
The start and stop method operation principle of door opening and closing is small to system pressure impact, and startup flow settling time is shorter, in addition the preposition energy of commutator
Enough ensure that all liquid by tested flowmeter fully enter weighing container by preferable closed conduct, eliminate commutation system
The inside and outside leakage of system gathers the error caused to flowmeter instrument coefficient.Commutator is driven using pneumatic enclosed commutator or cylinder
Reversal valve can guarantee that liquid does not exosmose and commutated rapid accurate.
Embodiment two：Referring to Fig. 1, embodiment two and embodiment one are essentially identical, and something in common is repeated no more, difference
It is：Also include being fixedly connected with photometer head and flow integrator, the piston shaft of commutator cutting baffle plate, cut baffle plate along photoelectricity
Head is cut light aperture position and symmetrically back and forth run, and photometer head is electrically connected by cable with flow integrator.Tested flowmeter and weighing apparatus
Electrically connected respectively by cable with flow integrator.
The course of work：
Liquid enters commutator by testing pipeline, and commutator initial position is the state that swaps out, and liquid is returned by bypass pipe
Circulation is completed into the total fuel tank of device.Commutation drags commutator to changing to position, piston shaft when weighing by cylinder by piston shaft
On light barrier cut light in photometer head center simultaneously, photometer head is by cable by timing, and trigger signal is sent to flow product
Instrument is calculated, while liquid, which flows through infusion pipeline, tested flowmeter, enters weighing container, it is weighed by weighing apparatus.When liquid exists
When being collected into a certain amount of in weighing container, commutator is swapped out, and timing stop signal is simultaneously sent to stream by light barrier triggering photometer head
Measure integrating instrument, stop poidometer when and flowmeter meter frequency.With weighing apparatus weigh before and after difference obtain change liquid quality, quality divided by
Timing cycle obtains standard mass flow, and flowmeter output umber of pulse divided by quality can obtain the crucial ginseng of tested flowmeter
Number --- instrument coefficient, weighs to calculate and obtains the linearity and the repetition that are detected flowmeter by adjusting flow and multipass commutation
Property, complete the calibration to flowmeter；Due to using the structure commutated before table, compared to traditional oil pump start and stop and the start and stop of valve opening and closing
Method operation principle is small to system pressure impact, and startup flow settling time is shorter, and commutator is preposition in addition ensure that all warps
The liquid for crossing tested flowmeter fully enters weighing container or volumetric standard by preferable closed conduct, eliminates exchange system
Inside and outside leakage gathers the error caused to flowmeter instrument coefficient.Commutator is changed using pneumatic enclosed commutator or cylinder driving
It can guarantee that liquid does not exosmose and commutated rapid accurate to valve.
Embodiment described above is only that preferred embodiment of the present utility model is described, and is not departing from this reality
On the premise of new design spirit, the various modifications that those of ordinary skill in the art make to the technical solution of the utility model
And improvement, it all should fall into the protection domain that the utility model claims are determined.
Claims (2)
1. a kind of changement of liquid flow standard device, it is characterised in that including experiment pipeline, commutator, tested flow
Meter, weighing container, weighing apparatus；Experiment pipeline is connected with the inlet of commutator, and two liquid outlets of commutator are connected to side
Siphunculus and infusion pipeline, bypass pipe are connected in the total fuel tank of device, and infusion pipeline is connected with weighing container, and weighing container is located at weighing apparatus
Tested flowmeter is coated with device, on infusion pipeline；The piston shaft of commutator is connected with cylinder.
2. the changement of liquid flow standard device according to claim 1, it is characterised in that also including photometer head and
It is fixedly connected with flow integrator, the piston shaft of commutator and cuts baffle plate, is cut baffle plate and cut light aperture position pair along photometer head
Claim reciprocal operation, photometer head is electrically connected by cable with flow integrator；Tested flowmeter and weighing apparatus pass through cable and stream respectively
Measure integrating instrument electrical connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621456437.7U CN206399512U (en) | 2016-12-28 | 2016-12-28 | A kind of changement of liquid flow standard device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621456437.7U CN206399512U (en) | 2016-12-28 | 2016-12-28 | A kind of changement of liquid flow standard device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206399512U true CN206399512U (en) | 2017-08-11 |
Family
ID=59516253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621456437.7U Expired - Fee Related CN206399512U (en) | 2016-12-28 | 2016-12-28 | A kind of changement of liquid flow standard device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206399512U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060057A (en) * | 2018-09-30 | 2018-12-21 | 郑州忠林智能科技有限公司 | The volumetric metering station of high degree of automation |
| CN109855705A (en) * | 2018-08-01 | 2019-06-07 | 常州市计量测试技术研究所 | A kind of the oil flowmeter calibrating installation and calibration method of real-time dynamic compensation temperature variation |
| CN111780835A (en) * | 2020-07-24 | 2020-10-16 | 安东仪器仪表检测有限公司 | Calibration method for high-efficiency liquid phase transfer liquid flowmeter |
| CN113494945A (en) * | 2020-04-08 | 2021-10-12 | 高准有限公司 | Flowmeter calibration system and flowmeter calibration method |
-
2016
- 2016-12-28 CN CN201621456437.7U patent/CN206399512U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109855705A (en) * | 2018-08-01 | 2019-06-07 | 常州市计量测试技术研究所 | A kind of the oil flowmeter calibrating installation and calibration method of real-time dynamic compensation temperature variation |
| CN109060057A (en) * | 2018-09-30 | 2018-12-21 | 郑州忠林智能科技有限公司 | The volumetric metering station of high degree of automation |
| CN109060057B (en) * | 2018-09-30 | 2024-07-19 | 郑州忠林智能科技有限公司 | Volumetric metering station with high automation degree |
| CN113494945A (en) * | 2020-04-08 | 2021-10-12 | 高准有限公司 | Flowmeter calibration system and flowmeter calibration method |
| CN111780835A (en) * | 2020-07-24 | 2020-10-16 | 安东仪器仪表检测有限公司 | Calibration method for high-efficiency liquid phase transfer liquid flowmeter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206399512U (en) | A kind of changement of liquid flow standard device | |
| CN102680057B (en) | Piston type gas-liquid dual-purpose micro-flow standard device | |
| CN101446505B (en) | System for calibrating ultrasonic flowmeter by time difference method | |
| CN202599485U (en) | A novel flow mass detection device | |
| CA2716503C (en) | Flow meter proving method and system | |
| CN201364194Y (en) | Liquid flow test device | |
| CN102889906A (en) | Single-pipe gas relay detecting bench, centering clamping mechanism and detection method thereof | |
| CN203321939U (en) | Hydraulic cylinder internal leakage composite detection system | |
| CN103837215B (en) | Commutation valve type p.V.T.t method gas flow meter | |
| CN106248309B (en) | Intelligent pressure testing machine | |
| CN102914349A (en) | Water meter verification device and method | |
| CN104132706A (en) | Method and device for precisely measuring volume of volume metering pipe | |
| CN202836631U (en) | Single-pipe buchholz relay detecting platform and centring clamping mechanism special for buchholz relay detection | |
| CN213397283U (en) | Gas ultrasonic flowmeter with calibration function | |
| CN107860443B (en) | Standard test device for gas pulsating flow | |
| CN202266356U (en) | Microcomputer high-precision gauging digital-display oil injection pump test bed | |
| CN104359532B (en) | A kind of flow commutating structure and its reversing error assay method | |
| CN107449693A (en) | A kind of apparatus and method that shale air content is calculated based on continuous collection free of discontinuities | |
| CN209212229U (en) | Oil well three-phase metering integrated apparatus | |
| CN207366385U (en) | A kind of full-automatic shale air content test system | |
| CN2405192Y (en) | Intelligent flowmeter | |
| CN210376360U (en) | Online oil quality analyzer automatic calibration device | |
| CN104568021A (en) | Three-screw-rod flow meter | |
| CN1844858A (en) | Two-stroke gas-liquid biphase flowmeter | |
| CN105371928A (en) | Measuring device, system and method of continuous-metering liquid flow meter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170811 Termination date: 20171228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |