CN104180876A - Flowmeter detection platform - Google Patents
Flowmeter detection platform Download PDFInfo
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- CN104180876A CN104180876A CN201310196774.1A CN201310196774A CN104180876A CN 104180876 A CN104180876 A CN 104180876A CN 201310196774 A CN201310196774 A CN 201310196774A CN 104180876 A CN104180876 A CN 104180876A
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- flowmeter
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- measuring cup
- fluid reservoir
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Abstract
The invention provides a flowmeter detection platform. The flowmeter detection platform comprises a liquid storage tank, a valve bank and a measuring cup; the upper end of the liquid storage tank is provided with an inlet valve; a flowmeter to be detected is arranged between the liquid storage tank and the measuring cup; the liquid storage tank is connected with the flowmeter to be detected through a guide pipe; the guide pipe positioned between the liquid storage tank and the flowmeter to be detected is provided with the valve bank; the flowmeter to be detected is connected with the measuring cup through a guide pipe. The flowmeter detection platform has the beneficial effects that the flowmeter detection accuracy is improved, the accuracy of the flowmeter to be detected under the velocity varying condition can be detected, liquid can be repeatedly utilized, the accuracy of the flowmeter to be detected can be quickly and efficiently detected, the accuracy of the flowmeter to be detected under the vibration condition can be detected, and the flow condition of the liquid in the detection process can be observed.
Description
Technical field
The invention belongs to flowmeter detection field, especially relate to a kind of flowmeter monitor station.
Background technology
In existing flowmeter accuracy detection technique, existence is difficult to detect the precision of flowmeter to be measured under liquid speed change flox condition, liquid serious waste, flowmeter to be measured detects out of true, the technical matterss such as flow state that are difficult to observe liquid when being difficult to detect the precision of flowmeter to be measured under vibrations condition and 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 station, is especially applicable to detecting the precision of flowmeter to be measured under liquid speed change flox condition.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of flowmeter monitor station, comprise fluid reservoir, valve sets and measuring cup, described fluid reservoir upper end is provided with gas admittance valve, between described fluid reservoir and described measuring cup, be provided with flowmeter to be measured, described fluid reservoir is connected by conduit with described flowmeter to be measured, on the conduit between described fluid reservoir and described flowmeter to be measured, is provided with described valve sets, and described flowmeter to be measured is connected by conduit with described measuring cup.
Described valve sets is connected with valve sets controller.
Described valve sets is solenoid valve group, needle-valve group or is the combination of solenoid valve and needle-valve.
On the conduit between described fluid reservoir and described flowmeter to be measured, be provided with flowmeter feed liquor switch, on the conduit between described flowmeter to be measured and described measuring cup, be provided with flowmeter fluid switch.
Described fluid reservoir upper end is provided with air release, between described measuring cup and described fluid reservoir, is provided with recirculatory pipe, and described recirculatory pipe is provided with backflow switch.
Position, described measuring cup bottom is higher than position, described fluid reservoir top.
Described measuring cup comprises closed cup and small-bore pipeline, and described small-bore pipeline runs through described cup, and to be all positioned at described cup outside at its upper and lower two ends, and the tube wall that is positioned at the described small-bore pipeline of described cup inside is provided with through hole.
In described small-bore pipeline, there is a float.Tube wall place, described small-bore pipeline lower end is provided with lower contact-making switch, and tube wall place, described small-bore pipeline upper end is provided with contact-making switch.
Described flowmeter to be measured is provided with shaking device.
Between described flowmeter to be measured and described measuring cup, be provided with Flow Observation device, described Flow Observation device comprises feed tube, drain pipe and transparent cup, described transparent cup upper end is connected with described feed tube, the entrance of described feed tube is connected with the outlet of described flowmeter to be measured by conduit, described feed tube is provided with first flow observation switch, described transparent cup lower end is connected with described drain pipe, described drain pipe outlet is connected with described measuring cup by conduit, on the conduit between described feed tube entrance and the outlet of described drain pipe, is provided with second discharge observation switch.
Advantage and good effect that the present invention has are: owing to adopting technique scheme, can detect the precision of flowmeter to be measured under liquid speed change flox condition, can realize the repeatedly recycling of liquid, can detect efficiently rapidly the precision of flowmeter to be measured, can detect the precision of flowmeter to be measured under vibrations condition, can observe the flow state of liquid in testing process, the precision that makes to detect measurement of discharge meter to be measured is convenient, have simple in structure, easy to maintenance, processing cost is low, detection efficiency advantages of higher.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention
Fig. 2 is the front view of computer controller in the present embodiment
In figure:
1, gas admittance valve 2, fluid reservoir 3, air release
4, filtrator 5, valve sets 6, valve sets controller
7, flowmeter feed liquor switch 8, shaking device 9, flowmeter to be measured
10, second discharge observation switch 11, first flow observation switch 12, feed tube
13, transparent cup 14, drain pipe 15, flowmeter fluid switch
16, recirculatory pipe 17, backflow switch 18, measuring cup
19, float 20, lower contact-making switch 21, lower bowl cover
22, through hole 23, small-bore pipeline 24, cup
25, upper bowl cover 26, upper contact-making switch 27, measuring cup air escape cock
28, measuring cup bleeder pipe 29, pulse jitter demonstration 30, computer show to adjust and shield
31, power knob 32, operation button 33, mute key
34, software reset's button 35, air-supply button 36, vibrations control knob
37, valve sets control knob 38, detection record printer 39, power supply show
Embodiment
A kind of flowmeter monitor station of the present invention, as shown in Figure 1, comprise fluid reservoir 2, valve sets 5 and measuring cup 18, fluid reservoir 2 upper ends are provided with gas admittance valve 1, between fluid reservoir 2 and measuring cup 18, be provided with flowmeter 9 to be measured, fluid reservoir 2 is connected by conduit with flowmeter 9 to be measured, on the conduit between fluid reservoir 2 and flowmeter to be measured 9, be provided with valve sets 5 and flowmeter feed liquor switch 7, valve sets 5 connects valve group controller 6, valve sets 5 is composed in parallel by the solenoid valve of 5 different pore sizes, solenoid valve aperture is respectively 1mm, 2mm, 5mm, 10mm and 20mm, the flow velocity that can control liquid by number and the combination of electromagnetic valve for adjusting, thereby the precision of flowmeter 9 to be measured under measurement Variable Velocity Condition.Flowmeter 9 to be measured is connected by conduit with measuring cup 18, is provided with flowmeter fluid switch 15 on the conduit between flowmeter 9 to be measured and measuring cup 18.Between fluid reservoir 2 and flowmeter to be measured 9, be provided with filtrator 4, in fluid reservoir 2, storing and detecting the required liquid of flowmeter 9 precision to be detected.Fluid reservoir 2 upper ends are provided with air release 3, between measuring cup 18 and fluid reservoir 2, are provided with recirculatory pipe 16, and recirculatory pipe 16 is provided with backflow switch 17.Measuring cup 18 positions, bottom are higher than fluid reservoir 2 positions, top.Measuring cup 18 comprises closed cup 24 and small-bore pipeline 23, and small-bore pipeline 23 runs through cup 24, and its upper and lower two ends are all positioned at cup 24 outsides, and the tube wall that is positioned at the small-bore pipeline 23 of cup 24 inside is provided with 20 through holes 22.Cup 24 comprises sidewall, upper bowl cover 25 and lower bowl cover 21, and small-bore pipeline 23 upper ends are closely connected with upper bowl cover 25, and small-bore pipeline 23 lower ends are closely connected with lower bowl cover 21.In small-bore pipeline 23, there is a float 19.Small-bore pipeline 23 tube wall places, lower end are provided with lower contact-making switch 20, lower contact-making switch 20 gos deep into 5mm from the tube wall outside of small-bore pipeline 23 to this tube wall, small-bore pipeline 23 tube wall places, upper end are provided with contact-making switch 26, and upper contact-making switch 26 gos deep into 5mm from the tube wall outside of small-bore pipeline 23 to this tube wall.The central axes of the central axis of small-bore pipeline 23 and cup 24, thus in order to reduce liquid, the pressure of measuring cup 18 is improved to measuring accuracy, when measuring cup 18 is used and between surface level, there is an angle, between 0～90 °.Small-bore pipeline 23 top ports are provided with measuring cup bleeder pipe 28, measuring cup bleeder pipe 28 is provided with measuring cup air escape cock 27, while measuring flowmeter 9 precision to be measured, open measuring cup air escape cock 27, can reduce the impact of pressure on measuring accuracy, the existence of measuring cup bleeder pipe 28 can make to detect liquid while finishing and be cushioned.Flowmeter 9 to be measured is provided with shaking device 8.Between flowmeter 9 to be measured and measuring cup 18, be provided with Flow Observation device, Flow Observation device comprises feed tube 12, drain pipe 14 and transparent cup 13, transparent cup 13 upper ends are connected with feed tube 12, the entrance of feed tube 12 is connected with the outlet of flowmeter 9 to be measured by conduit, feed tube 12 is provided with first flow observation switch 11, transparent cup 13 lower ends are connected with drain pipe 14, drain pipe 14 outlets are connected with measuring cup 18 by conduit, on the conduit between feed tube 12 entrances and drain pipe 14 outlets, are provided with second discharge observation switch 10.
Flowmeter monitor station of the present invention can be controlled by computer controller, and the front view of computer controller as shown in Figure 2.Shaking device 8 is connected with computer controller, can adjust by the vibrations control knob 36 on computer controller the vibration frequency of shaking device 8; Valve sets 5 is connected with valve sets controller 6, can adjust by the valve sets control knob 37 on computer controller the flow velocity of liquid, while detecting flowmeter 9 precision to be measured, can regulate by the button of control valve group controller 37 flow velocity of liquid, thereby record the precision of flowmeter 9 to be measured under liquid speed change flox condition; Flowmeter 9 to be measured is connected with computer controller, can show that 29 show pulse by the pulse jitter on computer controller, and pulse number is directly presented at computer and shows on adjustment screen 30; On the front view of computer controller, also there is power knob 31, operation button 32, mute key 33, software reset's button 34, air-supply button 35, detection record printer 38 and power supply and show 39.While detecting the precision of flowmeter 9 to be measured, can directly control testing process by computer controller, during detection, at computer, show and adjust direct display measurement data such as detection time, pulse number and average discharge etc. on screen 30, and can print detection data by detection record printer 38, and then obtain the precision of flowmeter.
The course of work of this example: flowmeter to be measured can be water meter or oil meter, the present embodiment is used in flowmeter monitor station in oil meter detection, in fluid reservoir 2, pack a certain amount of oil into, oil meter 9 to be measured is connected in flowmeter monitor station, angle when measuring cup 18 is used and between surface level is 75 °.While detecting the precision of oil meter 9 to be measured, closing volume switch 17, first flow observation switch 11 and air release, open flowmeter feed liquor switch 7, second discharge observation switch 10, flowmeter fluid switch 15 and measuring cup air escape cock 27, open the gas admittance valve 1 on fluid reservoir 2 tops, oil is flowed out by fluid reservoir 2, oil flows into oil meter 9 to be measured after filter, then enter in measuring cup 18, buffering a period of time, when the lower contact-making switch 20 of small-bore pipeline 23 detects float 19, metering starts, along with oily increase, float 19 moves up along the inwall of small-bore pipeline 23, when the upper contact-making switch 26 of small-bore pipeline upper end detects float 19, metering finishes.Button by control valve group controller 37 in measuring process regulates oily flow velocity, thereby records the precision of oil meter 9 to be measured under Variable Velocity Condition.The flow reading that oil meter to be measured 9 is measured and the fluid flow reading comparative analysis of measuring cup 18 measurements, obtain the precision of oil meter 9 to be measured.Record after the precision of oil meter 9 to be measured, close flowmeter feed liquor switch 7 and flowmeter fluid switch 15, air release 3 and the backflow switch 17 of opening measuring cup air escape cock 27, fluid reservoir 2 tops, the oil in measuring cup 18 flows back in fluid reservoir 2, can realize oily recycling like this.If desired detect the precision of oil meter 9 to be measured under vibrations condition, can when detecting, open shaking device 8.While detecting the precision of oil meter 9 to be measured, if will observe oily flow state, can when detecting, close second discharge observation switch 10, open first flow observation switch 11, see through transparent cup 13 and observe oily flow state.The present embodiment can detect the precision of oil meter 9 to be measured under oily speed change flox condition, can realize the repeatedly recycling of oil, can detect efficiently rapidly the precision of oil meter 9 to be measured, the precision of oil meter 9 to be measured under vibrations condition can also be detected, but also oily flow state can be when detecting oil meter 9 precision, observed.
Above one embodiment of the present of invention are had been described in detail, but described content is only preferred embodiment of the present invention, can not be considered to for limiting practical range of the present invention.All equalization variations of doing according to the present patent application scope and improvement etc., within all should still belonging to patent covering scope of the present invention.
Claims (10)
1. a flowmeter monitor station, it is characterized in that: comprise fluid reservoir, valve sets and measuring cup, described fluid reservoir upper end is provided with gas admittance valve, between described fluid reservoir and described measuring cup, be provided with flowmeter to be measured, described fluid reservoir is connected by conduit with described flowmeter to be measured, on the conduit between described fluid reservoir and described flowmeter to be measured, be provided with described valve sets, described flowmeter to be measured is connected by conduit with described measuring cup.
2. flowmeter monitor station according to claim 1, is characterized in that: described valve sets is connected with valve sets controller.
3. flowmeter monitor station according to claim 1 and 2, is characterized in that: described valve sets is solenoid valve group, needle-valve group or is the combination of solenoid valve and needle-valve.
4. flowmeter monitor station according to claim 1, it is characterized in that: on the conduit between described fluid reservoir and described flowmeter to be measured, be provided with flowmeter feed liquor switch, on the conduit between described flowmeter to be measured and described measuring cup, be provided with flowmeter fluid switch.
5. according to the flowmeter monitor station described in claim 1 or 4, it is characterized in that: described fluid reservoir upper end is provided with air release, between described measuring cup and described fluid reservoir, be provided with recirculatory pipe, described recirculatory pipe is provided with backflow switch.
6. flowmeter monitor station according to claim 5, is characterized in that: position, described measuring cup bottom is higher than position, described fluid reservoir top.
7. according to the flowmeter monitor station described in claim 1 or 4, it is characterized in that: described measuring cup comprises closed cup and small-bore pipeline, described small-bore pipeline runs through described cup, and it is outside that its upper and lower two ends are all positioned at described cup, and the tube wall that is positioned at the described small-bore pipeline of described cup inside is provided with through hole.
8. flowmeter monitor station according to claim 7, is characterized in that: in described small-bore pipeline, have a float, tube wall place, described small-bore pipeline lower end is provided with lower contact-making switch, and tube wall place, described small-bore pipeline upper end is provided with contact-making switch.
9. according to the flowmeter monitor station described in claim 1 or 4, it is characterized in that: described flowmeter to be measured is provided with shaking device.
10. according to the flowmeter monitor station described in claim 1 or 4, it is characterized in that: between described flowmeter to be measured and described measuring cup, be provided with Flow Observation device, described Flow Observation device comprises feed tube, drain pipe and transparent cup, described transparent cup upper end is connected with described feed tube, the entrance of described feed tube is connected with the outlet of described flowmeter to be measured by conduit, described feed tube is provided with first flow observation switch, described transparent cup lower end is connected with described drain pipe, described drain pipe outlet is connected with described measuring cup by conduit, on the conduit between described feed tube entrance and the outlet of described drain pipe, be provided with second discharge observation switch.
Priority Applications (1)
| 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 |
Publications (2)
| Publication Number | Publication Date |
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| CN104180876A true CN104180876A (en) | 2014-12-03 |
| CN104180876B CN104180876B (en) | 2019-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310196774.1A Expired - Fee Related CN104180876B (en) | 2013-05-23 | 2013-05-23 | A kind of flowmeter monitor station |
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| Country | Link |
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Cited By (5)
| 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 |
| CN112903069A (en) * | 2021-02-21 | 2021-06-04 | 重庆苏试广博环境可靠性技术有限公司 | Anti-seismic testing device for sodium liquid flowmeter of large-diameter pipeline and using method |
| CN114485864A (en) * | 2022-01-25 | 2022-05-13 | 杭州振华仪表有限公司 | Flowmeter precision detection device and detection method |
Citations (6)
| 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 |
-
2013
- 2013-05-23 CN CN201310196774.1A patent/CN104180876B/en not_active Expired - Fee Related
Patent Citations (6)
| 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 |
Cited By (6)
| 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 |
| CN112903069A (en) * | 2021-02-21 | 2021-06-04 | 重庆苏试广博环境可靠性技术有限公司 | Anti-seismic testing device for sodium liquid flowmeter of large-diameter pipeline and using method |
| CN112903069B (en) * | 2021-02-21 | 2024-04-12 | 重庆苏试广博环境可靠性技术有限公司 | Anti-seismic test device for large-diameter pipeline sodium liquid flowmeter and use method |
| CN114485864A (en) * | 2022-01-25 | 2022-05-13 | 杭州振华仪表有限公司 | Flowmeter precision detection device and detection method |
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| Publication number | Publication date |
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| CN104180876B (en) | 2019-05-14 |
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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 Applicant after: Nanjing Shan Yuanchenbo automation equipment company limited Address before: 102600 3 floor, 2 building, No. 4 Daxing District Garden Road, Beijing, 1 unit 317 Applicant before: Beijing informed investment home intellectual property rights Operation Co., Ltd. |
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