CN106706082A - Field service type standard meter method-based flow detection equipment - Google Patents
Field service type standard meter method-based flow detection equipment Download PDFInfo
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- CN106706082A CN106706082A CN201611055876.1A CN201611055876A CN106706082A CN 106706082 A CN106706082 A CN 106706082A CN 201611055876 A CN201611055876 A CN 201611055876A CN 106706082 A CN106706082 A CN 106706082A
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- 238000001514 detection method Methods 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 80
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 5
- 230000035939 shock Effects 0.000 claims description 12
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 230000006641 stabilisation Effects 0.000 claims description 7
- 238000011105 stabilization Methods 0.000 claims description 7
- 230000033228 biological regulation Effects 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 description 13
- 238000005259 measurement Methods 0.000 description 10
- 238000009434 installation Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000003556 assay Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000003534 oscillatory effect Effects 0.000 description 2
- 230000002123 temporal effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
- G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention discloses a field service type standard meter method-based flow detection equipment, comprising a detection unit and a water supply unit and characterized in that a water incoming pipe of the detection unit is connected to the water supply unit through a pressure stabilizing system, the detection unit is disposed on a vehicle body, the upper portion of the vehicle body is provided with a meter-under-detection fixing position, and a meter-under-detection water inlet and a meter-under-detection water outlet arranged corresponding to the meter-under-detection fixing position, the detection unit comprises a standard meter set mounted in a detection apparatus body through a pull post, the water incoming end of the standard meter set is connected to the water incoming pipe, the water outgoing end of the standard meter set is connected to the meter-under-detection water inlet through an upper connection pipe, the meter-under-detection water outlet is connected to a water outgoing pipe above the vehicle body, and an adjusting valve is arranged on the water outgoing pipe. By using the field service type standard meter method-based flow detection equipment, it is possible to provide field calibrations for an enterprise's flowmeters, the enterprise's stoppage time is shortened greatly, and production efficiency of the enterprise is increased.
Description
Technical field
The present invention relates to flow metering devices field, specifically a kind of Site Service type method of standard table flow detector.
Background technology
Flow measurement is the important component of measuring science, and flow measurement has been obtained extensively with measuring technology in every field
General application, and promote and support continuing to develop for national economy.It is in trade settlement, energy measurement, process control, environment
The detection of the aspects such as protection, medical and health serves important function.Particularly recently as the global of the energy and water resource
Scarcity, with the startup of the key state projects such as transfering natural gas from the west to the east, the south water to north, the whole society measures the requirement of examination technology to flowmeter
More and more higher, therefore, research and explore the flow rate test technology for meeting various use conditions and improve accuracy of measurement and just turn into
Flow measurement and the unremitting pursuit of test job person.
Traditional metering device is fixed and very huge.Flow instrument metering needs all to pull down flowmeter
Deliver to measurement unit, is fetched again after detection is good, carry out loopback and take the time generally to need one to two days, along with detection time, most
Also want a week to fill again soon to use on a production line, considerably increase enterprise's off-time, reduce production efficiency.
Online flow detection aspect, it is detection mode primarily now standard scale to be connected on pipeline and carries out standard scale contrast.It is this
Method has first had to sufficiently long straight length, cannot meet for many enterprises.Also, online pipeline medium fluctuation and periphery
Environment etc. cannot meet the disturbing factors such as measuring condition, vibration also can produce considerable influence to measurement result, increase measurement error
Greatly.Meanwhile, can the original such as the decay transmitted due to its own sound wave to the portable type ultrasonic flowmeter at scene of band and pipe scale
Cause, error is especially big, and in actual application, ultrasonic flowmeter itself detection error is 2 to 3 times of customer meter, no
Enterprise's high-precision control requirement can be met.
The content of the invention
The present invention is directed to above-mentioned the deficiencies in the prior art, there is provided a kind of certainty of measurement Site Service type standard scale higher
Method flow detector.
To reach above-mentioned purpose, the present invention uses following technical proposals：A kind of Site Service type method of standard table flow detection
Device, including detection unit, water supplying unit and voltage regulation unit, it is characterised in that the Site Service type method of standard table flow detection
Device is portable, and voltage-stabilizing system is connected by flexible pipe and is placed between detection unit and water supplying unit, and water supplying unit is by becoming
Frequency modulation water stream size, water is flowed through into voltage-stabilizing system stablize after frequency conversion is stablized and forms stationary flow source, for detection means
Detection is used.
According to a preferred embodiment of the invention, the detection unit is arranged on car body, and the top of the car body is provided with
Tested table fixed position and the tested table water inlet and tested table delivery port that are correspondingly arranged with the tested table fixed position, institute
Stating detection unit includes the standard scale group being inclined and mounted on by stay column in detection means body, the water inlet end of the standard scale group
It is connected with water inlet pipe, the water side of the standard scale group is connected by upper connecting tube with tested table water inlet, is detected table delivery port
Then it is connected with the outlet pipe being arranged on above car body, regulating valve is set on outlet pipe, positioned at the lower end of car body near standard scale
Position sets shock sensor, and the output end of shock sensor is connected with switch board, and shock sensor is used for measuring test device
Vibration frequency, the frequency for measuring shows in the display unit of switch board, when the oscillatory acceleration of test device exceedes setting value
When, send alarm.
According to a preferred embodiment of the invention, detection unit, water supplying unit and voltage-stabilizing system are respectively arranged with wheel, voltage stabilizing system
System is connected by flexible pipe and is placed between detection unit and water supplying unit.
According to a preferred embodiment of the invention, the upper end of upper connecting tube is provided with observation window, and whether convenient observation current are full
Pipe.
According to a preferred embodiment of the invention, temperature sensor and pressure sensor are provided with above the outlet pipe,
The temperature sensor and pressure sensor are connected with switch board, the glass rotors stream of observation flow when regulating valve is equipped with regulation
Gauge.
According to a preferred embodiment of the invention, environment humidity sensor is located at the lower end of car body, ambient temperature and humidity sensing
The output end of device is connected with switch board, and the display unit for measuring humiture in switch board shows, to ensure ambient temperature and humidity in state
In the range of family's code regulation.
According to a preferred embodiment of the invention, upper connecting tube and outlet pipe top are distinguished
Intake valve is installed, beneficial to pipe drainage.
According to a preferred embodiment of the invention, the car body of the detection means, it is recessed circular arc to be detected table fixed position
Shape structure, so can preferably fix tested table.
According to a preferred embodiment of the invention, the position being connected with tested table in outlet pipe, is additionally arranged current collecting tank, this
Sample can avoid during tested table is removed, having the water left directly to flow on detection means.
According to a preferred embodiment of the invention, the water inlet pipe is located at car body lower end, and the water inlet end of the standard scale group leads to
Cross down connecting tube to be connected with water inlet pipe, three plate valves are provided with the lower connecting tube, control standard scale is cut-off using three plate valves
The break-make of current.
The present invention sets up voltage-stabilizing system between detection unit and water supply installation, and the effect of the voltage-stabilizing system is to make water tank
In water enter vacuum tank and stablize laggard standard scale and tested table, the current for crossing two surface lows are consistent, can so compare two tables
Indicating value it is poor, therefore the accuracy of detection of flow detector can be improved.And detection unit of the invention, water supplying unit and steady
Pressure system is respectively arranged with wheel, and voltage-stabilizing system is connected by flexible pipe and is placed between detection unit and water supplying unit, is convenient for carrying to now
.By variable frequency adjustment current size, water carries out stabilization formation stabilization to water supplying unit after flowing through frequency conversion stabilization into voltage-stabilizing system
Aqueous stream source, uses for detection means detection, reaches the requirement of Flow Standard Device With Standard Meter Method code, and the scene that can be carried to is enterprise
The flowmeter of industry carries out assay calibration.The advantage of the invention is that using Site Service type method of standard table traffic alignment of the invention
Device, can greatly reduce the off-time of enterprise at the scene for the flowmeter of enterprise carries out assay calibration, increased enterprise
Production efficiency.
Brief description of the drawings
Fig. 1 is a kind of Site Service type method of standard table flow detector structural representation of the invention.
Fig. 2 is the structural representation of detection unit.
Fig. 3 is the structural representation of water supplying unit.
Specific embodiment
Below in conjunction with the accompanying drawings, presently preferred embodiments of the present invention is given, and is described in detail, make to be better understood when this hair
Bright function, feature.
As shown in figure 1, a kind of Site Service type method of standard table flow detector, including：Detection means A, water supply installation C
With voltage-stabilizing system B.The present invention sets up voltage-stabilizing system between detection unit and water supply installation, and the effect of the voltage-stabilizing system is to make
Water in water tank enters vacuum tank and stablizes laggard standard scale and tested table, and the current for crossing two surface lows are consistent, can so compare two
The indicating value of individual table is poor, therefore can improve the accuracy of detection of flow detector.
As shown in Fig. 2 the detection means A includes water inlet pipe 1, lower connecting tube 2, car body 3, sleeve rack 4, temperature sensor
5th, pressure sensor 6, regulating valve 7, outlet pipe 8, intake valve 9, upper connecting tube 10, observation window 11, switch board 12, wheel 13, defend
Raw joint 14, standard scale group 15, stay column 16, environment temperature sensor 17, three plate valves 18, shock sensor 19.The water inlet pipe 1
Positioned at the lower end of car body 3, it is connected with standard scale group 15 by sanitary fitting 14, the other end is connected with voltage-stabilizing system B, using three plate valves
18 break-make for cut-offfing control standard scale current.Standard scale group 15 is inclined and mounted in detection means A bodies, up by health
Joint 14 is connected with upper connecting tube 10, and is fixed on car body 3 by stay column 16.Observation window 11 is arranged on the another of upper connecting tube 10
End, convenient observation current whether full packages.Temperature sensor 5 and pressure sensor 6 are fixed on the top of outlet pipe 8.The standard
Table group is made up of three different standard scales of caliber size, and the tested table fixed position is correspondingly arranged three groups of tested table water inlets
With tested table delivery port, every group is detected table water inlet and is connected with a corresponding standard scale, and every group of tested table delivery port then passes through
Outlet pipe is connected with outfall sewer all the way, and a regulating valve 7 is respectively provided with every outlet pipe all the way, and each regulating valve 7 is provided with
The glass rotameter of flow is observed during regulation.Upper connecting tube 10 and the top of outlet pipe 8 are respectively mounted intake valve 9, beneficial to pipe
Road draining.Draining valve 20 is installed on water inlet pipe 1.Switch board 12 is arranged in the car body 3 of detection means A.Environment temperature sensor
17 and shock sensor 19 be located at car body 3 lower end near the position of standard scale.
The output end of shock sensor is connected with switch board, and shock sensor is used for measuring the vibration frequency of test device,
The frequency for measuring shows in the display unit of switch board, when the vibration frequency of test device exceedes setting value, sends alarm, this
When need to adjust test device so that the vibration frequency of test device is within the limits prescribed.Show through overtesting, work as test device
Vibration frequency when reaching (10~150) Hz, standard scale normal work can be influenceed, therefore when shock sensor test to test dress
When the vibration frequency put reaches influence standard scale normal working frequency (10~150) Hz, alarm is sent.
According to a preferred embodiment of the invention, standard scale group (mass flowmenter) shock resistance requirement be：Acceleration is less than
1g.The vibration frequency f and magnitude of vibrations Y of the test device detected by shock sensor, calculating oscillatory acceleration G (G |max
=0.004Yf2), work as G |maxWhen numerical value is more than 1g, alarm is sent, now need to take corresponding regulating measures, make test device
Vibrations are maintained in the range of vibrations.
The water of water supply installation by flowing through the standard scale group of detection means after voltage stabilizing, is detected table, warp by the voltage-stabilizing system
Overregulate the water tank that water supply installation is returned to after valve, the data Q of standard scale group (15)sWith tested table data QmEntered by data wire
Switch board, can be detected table relative error
As shown in figure 3, the water supplying unit C includes：Wheel 13, elbow connection pipe 21, water tank 22, screen pack 23, cut-off
Valve 24, variable-frequency motor 25, water pump connecting tube 26, overflow valve 27, water supply installation control cabinet 28.Screen pack 23 is arranged on water tank 22
Interior, under the control of water supply installation control cabinet 28, the water outlet of water tank 22 flows into voltage-stabilizing system B through water pump connecting tube 26.
The temporal frequency and data processing software of the Site Service type method of standard table flow detector are in advance by meter
Amount, temporal frequency and data processing software are equipped with verifying interface.
The standard scale group is made up of three different standard scales of caliber size, the specific standard scale bore selected during work
Size is fixed by tested voting.The standard scale is connected with tested table.Water supplying unit C is flowed through by variable frequency adjustment current size, water
Stabilization is carried out into voltage-stabilizing system B and form stationary flow source, used for detection means A after frequency conversion stabilization.Removable motion detection device A
Compared with the normal data and tested table data of standard scale group 15 and obtain tested Watch Error.The effect of the voltage-stabilizing system is
The water in water tank is entered vacuum tank and stablize laggard standard scale and tested table, the current for crossing two surface lows are consistent, can so compare
The indicating value of two tables is poor.And then carry out the measurement and calibration work of tested table.
Detection unit A, water supplying unit C and the voltage stabilizing being placed between detection unit A and water supplying unit C by flexible pipe connection
System B is respectively arranged with wheel, is convenient for carrying to scene.
Claims (10)
1. a kind of Site Service type method of standard table flow detector, including detection unit, water supplying unit and voltage regulation unit, it is special
It is that the Site Service type method of standard table flow detector is portable to levy, and voltage-stabilizing system is connected by flexible pipe and is placed in inspection
Survey between unit and water supplying unit, by variable frequency adjustment current size, water enters voltage stabilizing system to water supplying unit after flowing through frequency conversion stabilization
System carries out stabilization and forms stationary flow source, is used for detection means detection.
2. Site Service type method of standard table flow detector as claimed in claim 1, it is characterised in that the detection unit
It is arranged on car body, the top of the car body is provided with tested table fixed position and corresponding with the tested table fixed position sets
The tested table water inlet and tested table delivery port put, the detection unit include being inclined and mounted on detection means body by stay column
Interior standard scale group, the water inlet end of the standard scale group is connected with water inlet pipe, and the water side of the standard scale group is by upper connection
Pipe is connected with tested table water inlet, and tested table delivery port is then connected with the outlet pipe being arranged on above car body, is set on outlet pipe
Regulating valve.
3. Site Service type method of standard table flow detector as claimed in claim 2, it is characterised in that detection unit, confession
Water unit and voltage-stabilizing system are respectively arranged with wheel.
4. Site Service type method of standard table flow detector as claimed in claim 2, it is characterised in that upper connecting tube it is upper
End observation window is installed, so as to observe current whether full packages.
5. Site Service type method of standard table flow detector as claimed in claim 2, it is characterised in that the outlet pipe
Top is provided with temperature sensor and pressure sensor, and the temperature sensor and pressure sensor are connected with switch board, adjusts
The glass rotameter of observation flow when section valve is equipped with regulation.
6. Site Service type method of standard table flow detector as claimed in claim 2, it is characterised in that ambient temperature and humidity is passed
Sensor is located at the lower end of car body, and the output end of environment humidity sensor is connected with switch board.
7. Site Service type method of standard table flow detector as claimed in claim 2, it is characterised in that under car body
Hold and shock sensor is set near the position of standard scale, the output end of shock sensor is connected with switch board.
8. Site Service type method of standard table flow detector as claimed in claim 2, it is characterised in that upper connecting tube and go out
Water pipe top is respectively mounted intake valve, beneficial to pipe drainage.
9. Site Service type method of standard table flow detector as claimed in claim 2, it is characterised in that in outlet pipe and quilt
The position of inspection table connection, sets up current collecting tank.
10. Site Service type method of standard table flow detector as claimed in claim 2, it is characterised in that the water inlet pipe
Positioned at car body lower end, the water inlet end of the standard scale group is connected by lower connecting tube with water inlet pipe, is set in the lower connecting tube
There are three plate valves, using the break-make for cut-offfing control standard scale current of three plate valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611055876.1A CN106706082A (en) | 2016-11-25 | 2016-11-25 | Field service type standard meter method-based flow detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611055876.1A CN106706082A (en) | 2016-11-25 | 2016-11-25 | Field service type standard meter method-based flow detection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106706082A true CN106706082A (en) | 2017-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611055876.1A Pending CN106706082A (en) | 2016-11-25 | 2016-11-25 | Field service type standard meter method-based flow detection equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108106698A (en) * | 2018-02-09 | 2018-06-01 | 中国计量大学 | A kind of vehicle-mounted single water tank type oil field water meter field calibration device and calibration method |
| CN108956029A (en) * | 2018-08-10 | 2018-12-07 | 常州博瑞电力自动化设备有限公司 | A kind of high/low temperature cyclic hydrostatic pressure test platform |
| CN112539781A (en) * | 2020-12-01 | 2021-03-23 | 抚州市银圣王洁具有限公司 | Water tap pressure and flow detection device |
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| CN1335934A (en) * | 1999-10-29 | 2002-02-13 | 微动公司 | Coriolis flowmeter for large mass flows with reduced dimensions |
| CA2837874A1 (en) * | 2011-06-27 | 2013-01-03 | Micro Motion, Inc. | Vibratory flow meter and zero check method |
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2016
- 2016-11-25 CN CN201611055876.1A patent/CN106706082A/en active Pending
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|---|---|---|---|---|
| CN1335934A (en) * | 1999-10-29 | 2002-02-13 | 微动公司 | Coriolis flowmeter for large mass flows with reduced dimensions |
| CA2837874A1 (en) * | 2011-06-27 | 2013-01-03 | Micro Motion, Inc. | Vibratory flow meter and zero check method |
| CN204165628U (en) * | 2014-08-11 | 2015-02-18 | 丹东意邦计量仪器仪表有限公司 | A kind of vehicular Oil Flowmeter Standard Apparatus |
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| Title |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108106698A (en) * | 2018-02-09 | 2018-06-01 | 中国计量大学 | A kind of vehicle-mounted single water tank type oil field water meter field calibration device and calibration method |
| CN108956029A (en) * | 2018-08-10 | 2018-12-07 | 常州博瑞电力自动化设备有限公司 | A kind of high/low temperature cyclic hydrostatic pressure test platform |
| CN112539781A (en) * | 2020-12-01 | 2021-03-23 | 抚州市银圣王洁具有限公司 | Water tap pressure and flow detection device |
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