CN104180876B - A kind of flowmeter monitor station - Google Patents

A kind of flowmeter monitor station Download PDF

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Publication number
CN104180876B
CN104180876B CN201310196774.1A CN201310196774A CN104180876B CN 104180876 B CN104180876 B CN 104180876B CN 201310196774 A CN201310196774 A CN 201310196774A CN 104180876 B CN104180876 B CN 104180876B
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CN
China
Prior art keywords
flowmeter
measured
valve
cup
fluid reservoir
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Expired - Fee Related
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CN201310196774.1A
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Chinese (zh)
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CN104180876A (en
Inventor
姚月进
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Nanjing Shan Yuanchenbo Automation Equipment Co Ltd
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南京善元琛波自动化设备有限公司
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Priority to CN201310196774.1A priority Critical patent/CN104180876B/en
Publication of CN104180876A publication Critical patent/CN104180876A/en
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Abstract

The present invention provides a kind of flowmeter monitor station, including fluid reservoir, valve group and measuring cup, fluid reservoir upper end is equipped with intake valve, flowmeter to be measured is equipped between fluid reservoir and measuring cup, fluid reservoir is connected with flowmeter to be measured by conduit, conduit between fluid reservoir and flowmeter to be measured is equipped with valve group, and flowmeter to be measured is connected with measuring cup by conduit.The beneficial effects of the invention are as follows the precision for improving flowmeter detection, it is able to detect precision of the flowmeter to be measured under Variable Velocity Condition, it can be realized being used repeatedly for liquid, the precision of flowmeter to be measured can be efficiently detected rapidly, it is able to detect precision of the flowmeter to be measured under the conditions of vibration, the flow regime of liquid in detection process can be observed.

Description

A kind of flowmeter monitor station
Technical field
The invention belongs to flowmeter detection fields, more particularly, to a kind of flowmeter monitor station.
Background technique
In existing flowmeter accuracy detection technique, exists and be difficult to detect flowmeter to be measured in liquid speed change flox condition Under precision, liquid serious waste, flowmeter to be measured detection is inaccurate, it is difficult to detect essence of the flowmeter to be measured under the conditions of vibration It spends and is difficult to observe the technical problems such as the flow regime of liquid when detecting flowmeter accuracy to be measured.
Summary of the invention
The problem to be solved in the present invention is to provide a kind of flowmeter monitor stations, are especially suitable for detection flowmeter to be measured in liquid Precision under the conditions of speed change flowing.
In order to solve the above technical problems, the technical solution adopted by the present invention is that: a kind of flowmeter monitor station, including liquid storage Tank, valve group and measuring cup, the fluid reservoir upper end are equipped with intake valve, are equipped between the fluid reservoir and the measuring cup to measurement of discharge Meter, the fluid reservoir is connected with the flowmeter to be measured by conduit, between the fluid reservoir and the flowmeter to be measured Conduit be equipped with the valve group, the flowmeter to be measured is connected with the measuring cup by conduit.
The valve group is connect with valve group controller.
The valve group be solenoid valve block, needle-valve group or be solenoid valve and needle-valve combination.
Conduit between the fluid reservoir and the flowmeter to be measured is switched equipped with flowmeter feed liquor, is located at described Conduit between flowmeter to be measured and the measuring cup is equipped with flowmeter and goes out liquid switch.
The fluid reservoir upper end is equipped with vent valve, and return pipe, the reflux are equipped between the measuring cup and the fluid reservoir Pipe is equipped with reflux switch.
Measuring cup bottom end position is higher than liquid storage upper end position.
The measuring cup includes the cup body and small-bore pipeline of closure, and the small-bore pipeline runs through the cup body, and thereon Lower both ends are respectively positioned on outside the cup body, and the tube wall of the small-bore pipeline inside the cup body is equipped with through-hole.
There is a float in the small-bore pipeline.Lower contact-making switch is equipped at the tube wall of the small-bore pipeline lower end, Upper contact-making switch is equipped at the tube wall of the small-bore pipeline upper end.
The flowmeter to be measured is equipped with shaking device.
Between the flowmeter to be measured and the measuring cup be equipped with flow observer, the flow observer include inlet tube, Outlet tube and transparent cup body, the transparent cup upper end are connected with the inlet tube, the entrance of the inlet tube by conduit with The outlet of the flowmeter to be measured is connected, and the inlet tube is equipped with first flow observation switch, the transparent cup body lower end with The outlet tube is connected, and outlet tube outlet is connected by conduit with the measuring cup, positioned at the feed liquor tube inlet with it is described Conduit between outlet tube outlet is equipped with second flow observation switch.
The advantages and positive effects of the present invention are: due to the adoption of the above technical scheme, being able to detect flowmeter to be measured The precision under the conditions of flowing of liquid speed change, can be realized being used repeatedly for liquid, can efficiently detect rapidly to be measured The precision of flowmeter is able to detect precision of the flowmeter to be measured under the conditions of vibration, can observe the stream of liquid in detection process Dynamic state, keeps the precision for detecting flow measurement meter to be measured more convenient, has structure simple, and easy to maintenance, processing cost is low, detection The advantages that high-efficient.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention
Fig. 2 is the main view of computer controller in the present embodiment
In figure:
1, intake valve 2, fluid reservoir 3, vent valve
4, filter 5, valve group 6, valve group controller
7, flowmeter feed liquor switch 8, shaking device 9, flowmeter to be measured
10, second flow observation switch 11, first flow observe switch 12, inlet tube
13, transparent cup body 14, outlet tube 15, flowmeter go out liquid switch
16, return pipe 17, reflux switch 18, measuring cup
19, float 20, lower contact-making switch 21, lower cup lid
22, through-hole 23, small-bore pipeline 24, cup body
25, upper cup lid 26, upper contact-making switch 27, measuring cup air escape cock
28, measuring cup bleeder pipe 29, pulse jitter show 30, computer display adjustment screen
31, power knob 32, operation button 33, mute key
34, software reset's button 35, air-supply button 36, shake control button
37, valve group control button 38, detection journal printer 39, power supply are shown
Specific embodiment
A kind of flowmeter monitor station of the present invention, as shown in Figure 1, including fluid reservoir 2, valve group 5 and measuring cup 18, fluid reservoir 2 Upper end is equipped with intake valve 1, flowmeter 9 to be measured is equipped between fluid reservoir 2 and measuring cup 18, fluid reservoir 2 is with flowmeter 9 to be measured by leading Pipe is connected, and the conduit between fluid reservoir 2 and flowmeter to be measured 9 is equipped with valve group 5 and flowmeter feed liquor switch 7, valve 5 connecting valve group controllers 6 of group, valve group 5 are composed in parallel by the solenoid valve of 5 different pore sizes, and electromagnetism clear valve diameter is respectively 1mm, 2mm, 5mm, 10mm and 20mm, can be by the number of electromagnetic valve for adjusting and the flow velocity of combination control liquid, to measure The precision of flowmeter 9 to be measured under Variable Velocity Condition.Flowmeter 9 to be measured is connected with measuring cup 18 by conduit, be located at flowmeter to be measured 9 with Conduit between measuring cup 18 is equipped with flowmeter and goes out liquid switch 15.Filter 4, storage are equipped between fluid reservoir 2 and flowmeter to be measured 9 Liquid needed for store detection 9 precision of flowmeter to be detected in flow container 2.2 upper end of fluid reservoir be equipped with vent valve 3, measuring cup 18 with Return pipe 16 is equipped between fluid reservoir 2, return pipe 16 is equipped with reflux switch 17.18 bottom end position of measuring cup is higher than fluid reservoir 2 tops position.Measuring cup 18 includes the cup body 24 and small-bore pipeline 23 of closure, and small-bore pipeline 23 runs through cup body 24, and Its upper and lower ends is respectively positioned on outside cup body 24, and the tube wall of the small-bore pipeline 23 inside cup body 24 is equipped with 20 through-holes 22.Cup body 24 includes side wall, upper cup lid 25 and lower cup lid 21, and 23 upper end of small-bore pipeline is closely connect with upper cup lid 25, osculum 23 lower end of diameter pipeline is closely connect with lower cup lid 21.There is a float 19 in small-bore pipeline 23.23 lower end of small-bore pipeline Lower contact-making switch 20 is equipped at tube wall, lower contact-making switch 20 gos deep into 5mm to the tube wall outside the tube wall of small-bore pipeline 23, small Upper contact-making switch 26 is equipped at 23 upper end tube wall of caliber pipe, upper contact-making switch 26 is outside the tube wall of small-bore pipeline 23 to this Tube wall gos deep into 5mm.The central axis of small-bore pipeline 23 is overlapped with the central axis of cup body 24, in order to reduce liquid to measuring cup 18 Pressure to improve measurement accuracy, when measuring cup 18 uses have an angle between horizontal plane, between 0~90 °.It is small-bore 23 top port of pipeline is equipped with measuring cup bleeder pipe 28, and measuring cup bleeder pipe 28 is equipped with measuring cup air escape cock 27, measures to measurement of discharge Measuring cup air escape cock 27 is opened when counting 9 precision, can reduce influence of the pressure to measurement accuracy, the presence of measuring cup bleeder pipe 28 can So that liquid is buffered at the end of detection.Flowmeter 9 to be measured is equipped with shaking device 8.Between flowmeter 9 and measuring cup 18 to be measured Equipped with flow observer, flow observer includes inlet tube 12, outlet tube 14 and transparent cup body 13, transparent 13 upper end of cup body with into Liquid pipe 12 is connected, and the entrance of inlet tube 12 is connected by conduit with the outlet of flowmeter 9 to be measured, and inlet tube 12 is equipped with first-class Discharge observation switch 11, transparent 13 lower end of cup body are connected with outlet tube 14, and the outlet of outlet tube 14 is connected by conduit with measuring cup 18, position Conduit between 12 entrance of inlet tube and the outlet of outlet tube 14 is equipped with second flow and observes switch 10.
Flowmeter monitor station of the present invention can be controlled by computer controller, the main view of computer controller such as Fig. 2 It is shown.Shaking device 8 is connected with computer controller, and vibration dress can be adjusted by the shake control button 36 on computer controller Set 8 vibration frequency;Valve group 5 is connected with valve group controller 6, can pass through the valve group control button on computer controller The flow velocity of 37 adjustment liquid can adjust liquid by the button of control valve group controller 37 when detecting 9 precision of flowmeter to be measured The flow velocity of body, to measure precision of the flowmeter 9 to be measured under the conditions of the flowing of liquid speed change;Flowmeter 9 to be measured is controlled with computer Device is connected, and 29 display pulses can be shown by the pulse jitter on computer controller, it is aobvious that pulse number is directly displayed at computer Show on adjustment screen 30;Also there is power knob 31, operation button 32, mute key 33, software on the main view of computer controller Reset button 34, air-supply button 35, detection journal printer 38 and power supply show 39.It, can when detecting the precision of flowmeter 9 to be measured To directly control detection process by computer controller, when detection shows in computer directly displays measurement data example on adjustment screen 30 Such as detection time, pulse number and average flow rate, and detection data can be printed by detection journal printer 38, and then To the precision of flowmeter.
The course of work of this example: flowmeter to be measured can be water meter or oil meter, and the present embodiment uses flowmeter monitor station In oil meter detection, it is packed into a certain amount of oil in fluid reservoir 2, oil meter 9 to be measured is connected in flowmeter monitor station, measuring cup 18 makes Angle between used time and horizontal plane is 75 °.When detecting the precision of oil meter 9 to be measured, closing volume switch 17, first flow observation Switch 11 and vent valve open flowmeter feed liquor switch 7, second flow observation switch 10, flowmeter and go out liquid switch 15 and measuring cup Air escape cock 27 opens the intake valve 1 on 2 top of fluid reservoir, and oil is flowed out by fluid reservoir 2, and oil flows into oil meter to be measured after filter 9, subsequently into measuring cup 18, buffer a period of time, the meter when the lower contact-making switch 20 of small-bore pipeline 23 detects float 19 Amount starts, and with the increase of oil, float 19 moves up along the inner wall of small-bore pipeline 23, upper when small-bore pipeline upper end Contact-making switch 26 detects that metering terminates when float 19.Oil is adjusted by the button of control valve group controller 37 in measurement process Flow velocity, to measure the precision of oil meter 9 to be measured under Variable Velocity Condition.The flow reading and measuring cup 18 that oil meter 9 to be measured measures measure Fluid flow read comparative analysis, obtain the precision of oil meter 9 to be measured.After the precision for measuring oil meter 9 to be measured, close flowmeter into Liquid switch 7 and flowmeter go out liquid switch 15, open the vent valve 3 and reflux switch of measuring cup air escape cock 27,2 top of fluid reservoir 17, the oil stream in measuring cup 18 is returned in fluid reservoir 2, and the recycling of oil may be implemented in this way.If desired detection vibration under the conditions of to The precision for surveying oil meter 9, can open shaking device 8 when detecting.When detecting the precision of oil meter 9 to be measured, to the stream of observation oil Dynamic state can close second flow observation switch 10 when detecting, open first flow and observe switch 11, through transparent cup body The flow regime of 13 observation oil.The present embodiment is able to detect precision of the oil meter 9 to be measured under the conditions of the flowing of oily speed change, can be realized Being used repeatedly for oil, can efficiently detect rapidly the precision of oil meter 9 to be measured, additionally it is possible to detect oil meter 9 to be measured and shake Precision under the conditions of dynamic, but also the flow regime of oil can be observed when detecting 9 precision of oil meter.
One embodiment of the present invention has been described in detail above, but the content is only preferable implementation of the invention Example, should not be considered as limiting the scope of the invention.It is all according to all the changes and improvements made by the present patent application range Deng should still be within the scope of the patent of the present invention.

Claims (9)

1. a kind of flowmeter monitor station, it is characterised in that: including fluid reservoir, valve group and measuring cup, the fluid reservoir upper end is equipped with Intake valve, is equipped with flowmeter to be measured between the fluid reservoir and the measuring cup, the fluid reservoir passes through with the flowmeter to be measured Conduit is connected, and the conduit between the fluid reservoir and the flowmeter to be measured is equipped with the valve group, described to flow measurement Meter is connected with the measuring cup by conduit;
Flow observer is equipped between the flowmeter to be measured and the measuring cup, the flow observer includes inlet tube, goes out liquid Pipe and transparent cup body, the transparent cup upper end is connected with the inlet tube, the entrance of the inlet tube pass through conduit with it is described The outlet of flowmeter to be measured is connected, and the inlet tube is equipped with first flow observation switch, the transparent cup body lower end with it is described Outlet tube is connected, and the outlet tube outlet is connected by conduit with the measuring cup, is located at the feed liquor tube inlet and the liquid out Conduit between pipe outlet is equipped with second flow observation switch.
2. flowmeter monitor station according to claim 1, it is characterised in that: the valve group and valve group controller connect It connects.
3. flowmeter monitor station according to claim 1 or 2, it is characterised in that: the valve group is solenoid valve block, needle-valve Group or combination for solenoid valve and needle-valve.
4. flowmeter monitor station according to claim 1, it is characterised in that: be located at the fluid reservoir and described to measurement of discharge Conduit between meter is switched equipped with flowmeter feed liquor, and the conduit between the flowmeter to be measured and the measuring cup is equipped with Flowmeter goes out liquid switch.
5. flowmeter monitor station according to claim 1 or 4, it is characterised in that: the fluid reservoir upper end is equipped with vent valve, Return pipe is equipped between the measuring cup and the fluid reservoir, the return pipe is equipped with reflux switch.
6. flowmeter monitor station according to claim 5, it is characterised in that: measuring cup bottom end position is higher than described Liquid storage upper end position.
7. flowmeter monitor station according to claim 1 or 4, it is characterised in that: the measuring cup include closure cup body and Small-bore pipeline, the small-bore pipeline runs through the cup body, and its upper and lower ends is respectively positioned on outside the cup body, is located at described The tube wall of the small-bore pipeline inside cup body is equipped with through-hole.
8. flowmeter monitor station according to claim 7, it is characterised in that: there is one in the small-bore pipeline and float Son is equipped with lower contact-making switch at the tube wall of the small-bore pipeline lower end, is equipped with upper contact at the tube wall of the small-bore pipeline upper end Switch.
9. flowmeter monitor station according to claim 1 or 4, it is characterised in that: the flowmeter to be measured is equipped with vibration Device.
CN201310196774.1A 2013-05-23 2013-05-23 A kind of flowmeter monitor station Expired - Fee Related CN104180876B (en)

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Application Number Priority Date Filing Date Title
CN201310196774.1A CN104180876B (en) 2013-05-23 2013-05-23 A kind of flowmeter monitor station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310196774.1A CN104180876B (en) 2013-05-23 2013-05-23 A kind of flowmeter monitor station

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105115574A (en) * 2015-07-20 2015-12-02 江西省水利水电建设有限公司 On-site test method of judging accuracy of recorded information of grouting automatic recorder
CN107152958A (en) * 2017-06-06 2017-09-12 重庆川仪自动化股份有限公司 Mass flowmeter calibration detecting system and method based on multinomial algorithm
CN110082264A (en) * 2019-01-29 2019-08-02 南京善元琛波自动化设备有限公司 A kind of vibrating type viscometer

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4475377A (en) * 1983-03-17 1984-10-09 Measurement R & D Corporation Double wall meter prover
EP0187419A2 (en) * 1985-01-07 1986-07-16 Unilever N.V. Device for detecting air gaps in liquid product pieces
US5229766A (en) * 1991-07-22 1993-07-20 Hargest Thomas S Marine fuel tank pollution control apparatus
CN2315536Y (en) * 1997-06-18 1999-04-21 河北省泊头市仪表总厂 Automatic monitor for fuel filling quantity of motor vehicle
CN102426104A (en) * 2011-08-30 2012-04-25 杭州电子科技大学 Vehicle diesel engine oil and gas separator test apparatus and method thereof
CN202647159U (en) * 2012-05-28 2013-01-02 深圳市车安达汽保设备有限公司 Quick oil change system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4475377A (en) * 1983-03-17 1984-10-09 Measurement R & D Corporation Double wall meter prover
EP0187419A2 (en) * 1985-01-07 1986-07-16 Unilever N.V. Device for detecting air gaps in liquid product pieces
US5229766A (en) * 1991-07-22 1993-07-20 Hargest Thomas S Marine fuel tank pollution control apparatus
CN2315536Y (en) * 1997-06-18 1999-04-21 河北省泊头市仪表总厂 Automatic monitor for fuel filling quantity of motor vehicle
CN102426104A (en) * 2011-08-30 2012-04-25 杭州电子科技大学 Vehicle diesel engine oil and gas separator test apparatus and method thereof
CN202647159U (en) * 2012-05-28 2013-01-02 深圳市车安达汽保设备有限公司 Quick oil change system

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Effective date of registration: 20180919

Address after: 102600 3 floor, 2 building, No. 4 Daxing District Garden Road, Beijing, 1 unit 317

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Address before: 300384 Tianjin Binhai New Area high tech Zone Huayuan Industrial Park HT 6 Road 6 No. K2-9-501

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Effective date of registration: 20190412

Address after: 211500 Second Floor of Building C10, No. 9 Kechuang Avenue, Zhongshan Science Park, Jiangbei New District, Nanjing City, Jiangsu Province

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Applicant before: Beijing informed investment home intellectual property rights Operation Co., Ltd.

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